CN106799582B

CN106799582B - Cotton sleeve pipe equipment of heat preservation and connecting pipe production system

Info

Publication number: CN106799582B
Application number: CN201710169185.2A
Authority: CN
Inventors: 李彬; 陈泽华; 张申林; 程献岭
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2017-03-21
Filing date: 2017-03-21
Publication date: 2022-12-06
Anticipated expiration: 2037-03-21
Also published as: CN106799582A

Abstract

The invention relates to the technical field of production and processing of connecting pipes, in particular to heat-insulating cotton sleeve equipment and a connecting pipe production system. The invention provides thermal insulation cotton sleeving equipment, which comprises a rack and a thermal insulation cotton sleeving unit arranged on the rack, wherein the thermal insulation cotton sleeving unit comprises a pipe fixing mechanism and a thermal insulation cotton conveying mechanism, wherein: the pipe fixing mechanism is provided with a fixing center line and is used for fixing the connecting pipe in a way that the central axis of the connecting pipe is superposed with the fixing center line, and the pipe fixing mechanism comprises at least one pipe fixing component which is provided with a fixing state for fixing the connecting pipe and a fixing release state for releasing the connecting pipe; the heat insulation cotton conveying mechanism is used for enabling the heat insulation cotton to move towards the pipe fixing mechanism along the fixed central line so as to enable the heat insulation cotton to be sleeved on the connecting pipe fixed by the pipe fixing mechanism. The invention can realize the automatic assembly of the connecting pipe and the heat-insulating cotton, effectively improve the assembly efficiency and effectively reduce the assembly difficulty.

Description

Cotton sleeve pipe equipment of heat preservation and connecting pipe production system

Technical Field

The invention relates to the technical field of production and processing of connecting pipes, in particular to heat-insulating cotton sleeve equipment and a connecting pipe production system.

Background

Connecting pipes (such as copper pipes) are one of important parts of air conditioners and the like, and are widely used in condensers, evaporators and refrigerant conveying pipelines of air conditioners, and because the connecting pipes are generally long and easily cause energy loss to affect the cooling or heating effect, in the prior art, heat insulation cotton is generally arranged outside the connecting pipes, and the energy loss is reduced by using the heat insulation cotton.

At present, the assembly process of the connecting pipe and the heat insulation cotton is usually completed manually, and after the connecting pipe is cut, the connecting pipe is required to be penetrated into the heat insulation cotton manually, so that the efficiency is low; moreover, because the connecting pipe length is longer, usually more than 3 meters, consequently, the artifical poling degree of difficulty is great to generally need two at least people collaborative work, lead to having many-sided problems such as poling efficiency is lower, the cost of labor is higher, the operation degree of difficulty is higher and intensity of labour is great.

Disclosure of Invention

The invention aims to solve the technical problems that: in the prior art, the assembly process of the connecting pipe and the heat-preservation cotton is manually completed, the assembly efficiency is low, and the assembly difficulty is high.

In order to solve the technical problem, the invention provides thermal insulation cotton sleeving equipment, which comprises a rack and a thermal insulation cotton sleeving unit arranged on the rack, wherein the thermal insulation cotton sleeving unit comprises a pipe fixing mechanism and a thermal insulation cotton conveying mechanism, and the thermal insulation cotton sleeving unit comprises a pipe fixing mechanism and a thermal insulation cotton conveying mechanism, wherein: the pipe fixing mechanism is provided with a fixing center line and is used for fixing the connecting pipe in a way that the central axis of the connecting pipe is superposed with the fixing center line, and the pipe fixing mechanism comprises at least one pipe fixing component which is provided with a fixing state for fixing the connecting pipe and a fixing release state for releasing the connecting pipe; the heat insulation cotton conveying mechanism is used for enabling the heat insulation cotton to move towards the pipe fixing mechanism along the fixed central line so as to enable the heat insulation cotton to be sleeved on the connecting pipe fixed by the pipe fixing mechanism.

Optionally, the pipe fixing assembly comprises a first clamping pipe, a second clamping pipe and a first opening and closing control mechanism, the first clamping pipe and the second clamping pipe are oppositely arranged on two sides of the fixing center line and are connected with the first opening and closing control mechanism, and the first opening and closing control mechanism is arranged on the rack and is used for driving the first clamping pipe and the second clamping pipe to be close to each other and be away from each other so as to control the pipe fixing assembly to be switched between the fixing state and the fixing release state.

Alternatively, the first clamping tube member and the second clamping tube member cooperate with each other to form a guide groove and a clamping groove, and when the tube fixing assembly is switched from the fixation release state to the fixation state, the connecting tube can enter the clamping groove under the guide of the guide groove and be clamped and fixed in the clamping groove.

Optionally, the tube securing mechanism comprises a plurality of tube securing assemblies, the plurality of tube securing assemblies being spaced apart along a fixed centerline.

Optionally, the heat-insulating cotton conveying mechanism comprises a guide rod and a feeding mechanism, wherein: the guide rod penetrates through the heat insulation cotton and can drive the heat insulation cotton to reach and exit the initial position of the sleeve by moving relative to the rack, and when the guide rod is positioned at the initial position of the sleeve, one end of the guide rod, which is close to the pipe fixing mechanism, is in contact with one end, which is close to the guide rod, of the connecting pipe fixed by the pipe fixing mechanism; the feeding mechanism is used for moving the heat insulation cotton to the outer wall of the connecting pipe from the guide rod after the guide rod reaches the starting position of the sleeve and moving the heat insulation cotton on the outer wall of the connecting pipe by a preset distance relative to the connecting pipe.

Optionally, the thermal insulation cotton sleeving device further comprises a sliding frame and a first driving mechanism, wherein: the sliding frame is connected to the rack in a sliding manner along a fixed central line; the guide rod is connected to the sliding frame; the first driving mechanism is in power connection with the sliding frame and enables the guide rod to reach and retreat from the starting position of the sleeve by driving the sliding frame to slide along a fixed central line relative to the rack.

Optionally, the feeding mechanism includes two roller assemblies and a second opening and closing control mechanism, the two roller assemblies are relatively arranged on two sides of the fixed central line, each roller assembly includes a support, a roller and a rotation transmission mechanism, the roller and the rotation transmission mechanism are arranged on the support, the heat-insulating cotton bushing equipment further includes a rotation driving mechanism, wherein: the second opening and closing control mechanism is in power connection with the two brackets and is used for driving the two roller assemblies to approach to and depart from each other; the rotation driving mechanism is respectively connected with each corresponding roller through each rotation transmission mechanism and is used for driving the two rollers to rotate around respective rotation axes in opposite directions; when the two roller assemblies are close to each other until the two rollers contact the heat insulation cotton, the two rollers drive the heat insulation cotton to move along the fixed central line through the reverse rotation of the two rollers, so that the heat insulation cotton moves to the outer wall of the connecting pipe from the guide rod and moves for a preset distance on the outer wall of the connecting pipe relative to the connecting pipe.

Optionally, the roller comprises a roller body, a central axis of the roller body coincides with a rotation axis of the roller, and a contact surface for contacting with the heat preservation cotton is arranged on the roller body, and the contact surface is a curved surface recessed towards the rotation axis.

Optionally, a plurality of gear teeth are arranged on the roller body, the gear teeth are distributed on the roller body at intervals around the central axis of the roller body, and the radial outer surface of each gear tooth forms a contact surface of the roller, which is used for contacting with the heat preservation cotton.

Alternatively, the roller body has a first end portion and a second end portion located at opposite ends of the contact surface in the direction of the rotation axis, the first end portion and the second end portion are different in radial dimension, and, in the two rollers, the first end portion and the second end portion of one roller are in an opposite positional relationship to the first end portion and the second end portion of the other roller in the direction of the rotation axis.

Optionally, the rotation transmission mechanism comprises a rotating shaft and a first bevel gear and a second bevel gear which are engaged with each other, and the rotation driving mechanism transmits power to the corresponding rollers through the first bevel gear, the second bevel gear and the rotating shaft in sequence; the rotation driving mechanism comprises a transmission shaft, the central axis of the transmission shaft is arranged along the directions of mutual approaching and mutual leaving of the two roller assemblies, the transmission shaft is sleeved with a first bevel gear, the first bevel gear can rotate along with the transmission shaft, and the first bevel gear is connected with the transmission shaft in a sliding mode along the axial direction of the transmission shaft.

Optionally, one of the transmission shaft and the first bevel gear is provided with a sliding groove arranged along the axial direction of the transmission shaft, and the other is provided with a projection matched with the sliding groove.

Optionally, the insulation cotton conveying mechanism comprises at least one feeding mechanism, at least one of the at least one feeding mechanism is a first feeding mechanism, and the first feeding mechanism is connected to the frame and located between the two axial ends of the guide rod and used for driving the insulation cotton to move relative to the guide rod after the guide rod reaches the starting position of the sleeve.

Optionally, the insulation cotton conveying mechanism comprises at least two feeding mechanisms, at least one of the at least two feeding mechanisms is a first feeding mechanism, and at least one of the at least two feeding mechanisms is a second feeding mechanism, the second feeding mechanism is connected to the frame and located between two axial ends of the connecting pipe fixed by the pipe fixing mechanism, and is used for moving the insulation cotton on the connecting pipe by a predetermined distance relative to the connecting pipe together with the first feeding mechanism after the insulation cotton is moved to the outer wall of the connecting pipe by the guide rod.

Optionally, the number of the second feeding mechanisms is at least two, and the at least two second feeding mechanisms are arranged at intervals along the fixed center line.

Optionally, at least two second feeding mechanisms are arranged in one-to-one correspondence with other tube fixing assemblies, except for one closest to the guide bar, of the plurality of tube fixing assemblies of the tube fixing mechanism, and each second feeding mechanism is arranged upstream of the corresponding tube fixing assembly along the moving direction of the thermal insulation cotton toward the tube fixing mechanism.

Optionally, the insulation cotton sleeving unit further comprises a detection control device, the detection control device is used for detecting whether the insulation cotton moves to each second feeding mechanism and/or each pipe fixing assembly, and optionally, the insulation cotton conveying mechanism further comprises a cotton rod clamping mechanism, and the cotton rod clamping mechanism is used for clamping the insulation cotton and the guide rod in the process that the guide rod drives the insulation cotton to reach and exit the initial position of the sleeving.

Optionally, cotton stalk clamping mechanism includes first cotton stalk clamping piece, second cotton stalk clamping piece and third opening and shutting control mechanism, and first cotton stalk clamping piece and second cotton stalk clamping piece set up relatively in the both sides of the central axis of guide bar and all are connected with third opening and shutting control mechanism, and third opening and shutting control mechanism is used for driving first cotton stalk clamping piece and second cotton stalk clamping piece and be close to each other and keep away from each other at the in-process drive heat preservation cotton arrival or the withdraw from sleeve pipe initial position at the guide bar, wherein: when the cotton stalks are close to each other, the first cotton stalk clamping piece and the second cotton stalk clamping piece can clamp the heat preservation cotton and the guide rod; when keeping away from each other, first cotton stalk clamping piece and second cotton stalk clamping piece can relieve the clamp of cotton with the guide bar of keeping warm.

Optionally, a plurality of U-shaped teeth distributed along the axial direction of the guide bar are arranged on the first cotton stalk clamping piece and the second cotton stalk clamping piece at intervals, the plurality of U-shaped teeth on the first cotton stalk clamping piece and the plurality of U-shaped teeth on the second cotton stalk clamping piece are arranged in a staggered mode, and when the first cotton stalk clamping piece and the second cotton stalk clamping piece are close to each other, the plurality of U-shaped teeth on the first cotton stalk clamping piece and the plurality of U-shaped teeth on the second cotton stalk clamping piece are close to each other and partially overlapped to clamp the heat preservation cotton and the guide bar.

Optionally, the insulation cotton sleeving unit further comprises an insulation cotton cutting mechanism for cutting the insulation cotton after the insulation cotton moves a predetermined distance relative to the connecting pipe.

Optionally, the heat preservation cotton cutting mechanism comprises a cutting knife and a second driving mechanism, the heat preservation cotton sleeving equipment further comprises a third driving mechanism, the cutting knife comprises two blades, the third driving mechanism is used for driving the cutting knife to be close to and far away from the heat preservation cotton, the second driving mechanism is used for driving the two blades to be close to and far away from each other, and when the two blades are close to each other, the cutting knife can cut off the heat preservation cotton.

Optionally, the thermal insulation cotton sleeving device comprises at least two thermal insulation cotton sleeving units, and the at least two thermal insulation cotton sleeving units are arranged side by side.

Optionally, the heat-insulating cotton sleeving equipment further comprises a connecting pipe limiting device arranged on the rack, and the connecting pipe limiting device is used for limiting the displacement of the connecting pipe.

In another aspect, the invention also provides a connecting pipe production system, which comprises a pipe cutting device for cutting a pipe material to form a connecting pipe with a preset length, and the invention also comprises an insulating cotton sleeving device.

According to the heat insulation cotton sleeving equipment, the connecting pipe is fixed by the pipe fixing mechanism of the heat insulation cotton sleeving unit, the heat insulation cotton moves relative to the pipe fixing mechanism by the heat insulation cotton conveying mechanism of the heat insulation cotton sleeving unit, the heat insulation cotton can be automatically sleeved on the connecting pipe fixed by the pipe fixing mechanism, automatic assembly of the connecting pipe and the heat insulation cotton is achieved, assembly efficiency can be effectively improved, and assembly difficulty is effectively reduced.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a front view of an insulated cotton sleeving apparatus according to an embodiment of the present invention.

Fig. 2 shows a top view of fig. 1.

Fig. 3 shows a schematic view of the structure of the pipe fixing device in fig. 1.

Fig. 4 shows a schematic view of the first and second clamp members of the tube securing assembly of fig. 3.

Fig. 5 is a schematic structural view of the first feeding mechanism in fig. 1.

Fig. 6 shows a cross-sectional view of the first feeding mechanism in fig. 5.

Fig. 7 shows a schematic view of the structure of the propeller shaft of fig. 6.

Fig. 8 is a schematic view showing the structure of the roller of fig. 6.

FIG. 9 shows a schematic of the first and second cotton stalk clamps of the cotton stalk clamping mechanism of FIG. 5.

Fig. 10 is a schematic structural view of the second feeding mechanism in fig. 1.

Fig. 11 is a schematic structural view showing the insulation cotton cutting mechanism in fig. 1.

In the figure:

1. a frame; 11. a slide rail;

21. a tube securing assembly; 211. a first clamp member; 212. a second clamp member; 213. a first pneumatic jaw; 21a, a guide groove; 21b, a clamping groove;

31. a carriage; 32. an electric cylinder; 33. a guide bar; 34. a first feeding mechanism; 341. a motor; 342. a belt drive mechanism; 343. a drive shaft; 343a, a chute; 344. a first bevel gear; 345. a second bevel gear; 346. a rotating shaft; 347. a roller; 347a, a first end; 347b, a second end; 347c, gear teeth; 348. a second pneumatic jaw; 349. a support; 35. a cotton stalk clamping mechanism; 351. a first cotton stalk clamp; 352. a second cotton stalk clamp; 353. a U-shaped tooth; 36. a first cylinder; 37. a second feeding mechanism;

4. a carrier;

51. a second cylinder; 52. a third cylinder; 53. a guide shaft; 54. a linear bearing; 55. a cutting knife; 551. a blade; 56. a mounting frame;

6. a detection device;

7. a connecting pipe limiting device;

a. a connecting pipe; b. and (5) heat preservation cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In the description of the present invention, it should be understood that the terms "first", "second", etc. are used to define the components, and are used only for the convenience of distinguishing the corresponding components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present invention.

Fig. 1-11 illustrate one embodiment of the insulating cotton sleeving apparatus of the present invention. Referring to fig. 1-11, the thermal insulation cotton sleeving equipment provided by the invention comprises a rack 1 and a thermal insulation cotton sleeving unit arranged on the rack 1, wherein the thermal insulation cotton sleeving unit comprises a pipe fixing mechanism and a thermal insulation cotton conveying mechanism, and the thermal insulation cotton sleeving unit comprises: the pipe fixing mechanism has a fixing center line and is used for fixing the connecting pipe a by enabling the central axis of the connecting pipe a to be overlapped with the fixing center line, the pipe fixing mechanism comprises at least one pipe fixing assembly 21, and the pipe fixing assembly 21 has a fixing state for fixing the connecting pipe a and a fixing releasing state for releasing the connecting pipe a; the heat insulation cotton conveying mechanism is used for enabling the heat insulation cotton b to move towards the pipe fixing mechanism along the fixed central line so as to enable the heat insulation cotton b to be sleeved on the connecting pipe a fixed by the pipe fixing mechanism.

According to the heat-insulation cotton sleeve equipment provided by the invention, the connecting pipe a is fixed by using the pipe fixing mechanism of the heat-insulation cotton sleeve unit, the heat-insulation cotton b moves relative to the pipe fixing mechanism by using the heat-insulation cotton conveying mechanism of the heat-insulation cotton sleeve unit, the heat-insulation cotton b can be automatically sleeved on the connecting pipe a fixed by the pipe fixing mechanism, the automatic assembly of the connecting pipe a and the heat-insulation cotton b is realized, the assembly efficiency can be effectively improved, and the assembly difficulty is effectively reduced.

The heat-insulation cotton sleeve equipment can only comprise one heat-insulation cotton sleeve unit, namely, the heat-insulation cotton sleeve work of one connecting pipe a is finished each time, but in order to further improve the production efficiency, the heat-insulation cotton sleeve equipment can also comprise at least two heat-insulation cotton sleeve units which are arranged side by side, so that the heat-insulation cotton sleeve equipment can simultaneously sleeve the heat-insulation cotton b for at least two connecting pipes a, thereby more effectively improving the production efficiency, saving the labor cost and lightening the labor intensity.

The insulating cotton sleeving apparatus of the present invention will be further described with reference to the embodiments shown in fig. 1-11.

As shown in fig. 1 and fig. 2, in this embodiment, the thermal insulation cotton sleeving apparatus includes a frame 1 and four thermal insulation cotton sleeving units arranged side by side on the frame 1 in the left-right direction, so that the thermal insulation cotton sleeving apparatus of this embodiment can simultaneously sleeve four connecting pipes a with thermal insulation cotton b, and the production efficiency is high. In addition, in the embodiment, the structure of each heat-insulating cotton sleeve unit is the same, so that the structure of the whole heat-insulating cotton sleeve device is simpler, and the corresponding same structural components in different heat-insulating cotton sleeve units are conveniently integrated and designed in a modularized manner.

Since each insulating cotton sleeve unit has the same structure, for the sake of simplicity, one of the insulating cotton sleeve units is mainly used as an example for description.

In this embodiment, the insulating cotton sleeving unit comprises a pipe fixing mechanism and an insulating cotton conveying mechanism, wherein: the pipe fixing mechanism is provided with a fixed central line and is used for fixing the connecting pipe a in a way that the central axis of the connecting pipe a is superposed with the fixed central line; the heat insulation cotton conveying mechanism is used for enabling the heat insulation cotton b to move towards the pipe fixing mechanism along the fixed central line so as to enable the heat insulation cotton b to be sleeved on the connecting pipe a.

The tube fixing mechanism of this embodiment may include at least one tube fixing assembly 21, the tube fixing assembly 21 having a fixing state of fixing the connection tube a and a fixing release state of releasing the connection tube a. As shown in fig. 3, the pipe fixing assembly 21 of this embodiment may include a first pipe clamping member 211, a second pipe clamping member 212, and a first opening and closing control mechanism, the first pipe clamping member 211 and the second pipe clamping member 212 are oppositely disposed on both sides of the fixing center line and are both connected to the first opening and closing control mechanism, and the first opening and closing control mechanism is disposed on the frame 1 and is configured to control the pipe fixing assembly 2 to switch between the fixing state and the fixing release state by driving the first pipe clamping member 211 and the second pipe clamping member 212 to approach each other and to move away from each other. Therefore, the first clamping pipe 211 and the second clamping pipe 212 are controlled to be close to and away from each other through the first opening and closing control mechanism, fixing and releasing of the pipe fixing mechanism to the connecting pipe a can be controlled, the structure is simple, and control is convenient.

As can be seen from fig. 3 and 4, in this embodiment, the first clamping tube member 211 and the second clamping tube member 212 cooperate with each other to form a guide groove 21a and a clamping groove 21b, and when the tube fixing assembly 21 is switched from the fixing release state to the fixing state, the connection tube a can enter the clamping groove 21b and be clamped and fixed in the clamping groove 21b under the guide of the guide groove 21 a. The guide groove 21a and the clamping groove 21b are provided to more conveniently clamp and fix the connection tube a during the process of the first clamping tube member 211 and the second clamping tube member 212 approaching each other.

Specifically, as shown in fig. 4, in this embodiment, the guide groove 21a is located below the clamping groove 21b and includes two guide portions respectively located on the first pipe clamping member 211 and the second pipe clamping member 212, the two guide portions are arranged in a staggered manner and have overlapping portions, and a surface of each guide portion for contacting the connection pipe a is an arc-shaped surface which is convex in a direction away from a fixing center line and has a curvature radius gradually decreasing from bottom to top, so that the two guide portions approach each other in a process of the first pipe clamping member 211 and the second pipe clamping member 212 approaching each other, and the connection pipe a placed in the guide groove 21a naturally moves upward along the arc-shaped surface and is clamped into the clamping groove 21b, thereby achieving clamping fixation. It can be seen that the provision of the arc-shaped surface can better guide the connecting pipe a to move toward the clamping groove 21b during the process of the first clamping pipe member 211 and the second clamping pipe member 212 approaching each other, thereby facilitating the clamping fixation of the connecting pipe a.

In addition, as shown in fig. 3, the first opening and closing control mechanism of the embodiment employs the first pneumatic clamping jaw 213, and the two sliding jaws of the first pneumatic clamping jaw 213 are respectively connected to the first pipe clamping member 211 and the second pipe clamping member 212, so that when the first pneumatic clamping jaw 213 acts, the first pipe clamping member 211 and the second pipe clamping member 212 can be controlled to approach each other and separate from each other, the structure is simple, and the control is convenient.

Also, since the length of the connection pipe a is long and the connection pipe a cut off the line is generally soft, in order to achieve more reliable fixing of the connection pipe a with the center axis of the fixed connection pipe a coinciding more accurately with the fixing center line, in this embodiment, the pipe fixing mechanism preferably includes a plurality of pipe fixing assemblies 21, and the plurality of pipe fixing assemblies 21 are arranged at intervals along the fixing center line.

Because a plurality of fixed supporting points can be formed on the axial direction of longer whole connecting pipe a along a plurality of fixed subassemblies 21 of fixed central line interval arrangement, consequently, set up pipe fixed establishment to include that a plurality of fixed subassemblies 21 of pipe along fixed central line interval arrangement can realize more firm fixed to connecting pipe a, and can effectively prevent connecting pipe a from taking place bending deformation because of length is longer and hardness is softer, so that fix connecting pipe a to the assigned position more accurately, make the central axis of connecting pipe a coincide with fixed central line more accurately, these all are favorable to realizing that insulation cotton b establishes on connecting pipe a more smoothly, thereby can further improve the packaging efficiency, and further reduce the equipment degree of difficulty.

Specifically, as shown in fig. 2, the tube fixing mechanism of this embodiment includes four tube fixing assemblies 21, and the four tube fixing assemblies 21 are disposed at intervals on the frame 1 in the direction of the fixing center line. Each pipe fixing component 21 has a fixing state and a fixing release state, when the connecting pipe a is placed on the four pipe fixing components 21 and the four pipe fixing components 21 are in the fixing state, the fixing of the connecting pipe a can be realized, the central axis of the connecting pipe a is overlapped with the fixing central line, and when the four pipe fixing components 21 are all switched to the fixing release state, the fixing of the connecting pipe a can be released, the connecting pipe a is released, and the connecting pipe a can move freely so as to be convenient for taking and placing the connecting pipe a. The four pipe fixing assemblies 41 arranged at intervals along the direction of the fixed center line are arranged in each pipe fixing mechanism, so that the connecting pipe a can be effectively prevented from bending and deforming, the connecting pipe a is more accurately fixed to a specified height, and the central axis of the connecting pipe a is more accurately coincided with the fixed center line, so that the warm cotton b is more smoothly sleeved on the connecting pipe a. Furthermore, it should be understood that the number of the tube fixing assemblies 21 of each tube fixing mechanism is not limited to four, but may be correspondingly set according to the actual length of the connection tube a, for example, 4 tube fixing assemblies are provided in each tube fixing mechanism in this embodiment, and is particularly suitable for the connection tube a with the length of 3 meters.

In this embodiment, the insulating cotton conveying mechanism may include a guide bar 33 and a feeding mechanism, wherein: the guide rod 33 penetrates through the heat insulation cotton b and can drive the heat insulation cotton b to reach or exit the sleeve starting position through moving relative to the rack 1, and when the guide rod is located at the sleeve starting position, one end, close to the pipe fixing mechanism, of the guide rod 13 is in contact with one end, close to the guide rod 13, of the connecting pipe a fixed by the pipe fixing mechanism; the feeding mechanism is used for moving the insulation cotton b to the outer wall of the connecting pipe a from the guide rod 33 and moving the insulation cotton b relative to the connecting pipe a on the outer wall of the connecting pipe a by a preset distance after the guide rod 33 reaches the sleeve starting position. Here, the "predetermined distance" refers to a length of the connection pipe a that needs to be covered with the insulation wool b, and generally, the entire connection pipe a needs to be covered with the insulation wool b, so the "predetermined distance" is generally equal to an axial length of the entire connection pipe a.

Based on this cotton conveying mechanism keeps warm, through guide bar 33 and feeding mechanism's cooperation, can conveniently locate the cotton b cover that keeps warm on connecting pipe a, owing to need not artifical cover and establish, consequently, connecting pipe a is higher with the cotton b's of keeping warm packaging efficiency, and the equipment degree of difficulty is lower to can effectively reduce the manpower and occupy, alleviate workman's intensity of labour.

Because the insulation cotton b is soft, the guide rod 33 is arranged to support and guide the insulation cotton b before the start of the sheathing process and during the sheathing process, so that the soft insulation cotton b can be more smoothly sheathed on the connecting pipe a. Moreover, through setting up guide bar 33, make only need insert the cotton b of heat preservation with guide bar 33 from the initiating terminal of the cotton b of heat preservation when first material loading, during the follow-up different connecting pipe a of changing, then need not to repeat the cotton operation of wearing again, when a roll of cotton b of heat preservation is whole to be used up, need to change next roll of cotton b of heat preservation, thereby for every connecting pipe a among the prior art all need carry out the condition that the cotton operation was worn to the manual work, can effectively reduce workman's manipulation strength, raise the efficiency.

In addition, the guide rod 33 drives the insulation cotton b to reach and exit from the initial position of the sleeve, on one hand, before the start of sleeving, the guide rod 33 can be used for driving the insulation cotton b to reach the initial position of the sleeve, so that the insulation cotton b and the fixed connecting pipe a can be accurately positioned, a subsequent feeding mechanism can drive the insulation cotton b to feed and complete final sleeving, on the other hand, after the insulation cotton b is fed in place (namely after the insulation cotton b moves to a preset distance on the connecting pipe a), the guide rod 33 can be used for driving the insulation cotton b to exit from the initial position of the sleeve, so that the insulation cotton b can be cut off, and the next connecting pipe a can be conveniently sleeved.

In order to enable the guide bar 33 to automatically bring the thermal cotton b to and from the sleeve starting position, in this embodiment, the thermal cotton sleeving apparatus may further include a sliding frame 31 and a first driving mechanism, wherein: the sliding frame 31 is connected to the frame 1 along a fixed central line in a sliding way; the guide bar 33 is connected to the carriage 31; a first drive mechanism is in power connection with the carriage 31 and by driving the carriage 31 to slide along a fixed centre line in relation to the frame 1 the guide bar 33 reaches and exits the casing starting position.

Based on this, the sliding frame 31 is driven by the first driving mechanism to slide on the rack 1, so that the guide rod 33 can drive the insulation cotton b to reach and exit the initial position of the sleeve, and the automatic positioning of the insulation cotton b and the connecting pipe a before the start of the sleeving is realized, thereby further improving the automation degree of the insulation cotton sleeving equipment of the embodiment. Moreover, the arrangement of the first driving mechanism and the sliding frame 31 has the advantages that the guide rods 33 of all the insulation cotton conveying units can be arranged on the sliding frame 31, so that all the guide rods 33 can synchronously reach and retreat from the starting position of the sleeve under the action of the same sliding frame 31 and the same first driving mechanism, the synchronism of the positioning process of all the guide rods 33 before the start of the sleeving is better, the structure is simpler and more compact, and the modular design of the same structure of all the insulation cotton sleeve units is facilitated.

Specifically, as can be seen from fig. 5, the rack 1 is provided with a slide rail 11 extending along a fixed central line, and the sliding frame 31 is slidably connected with the slide rail 11, so that the sliding frame 31 can slide along the fixed central line relative to the rack 1; the first driving mechanism of the embodiment comprises an electric cylinder 32, the electric cylinder 32 is arranged on the rack 1 and is in power connection with the sliding frame 31, so that the sliding frame 31 can be driven to slide on the sliding rail 11 to control the guide rod 33 to drive the heat preservation cotton b to reach and exit the starting position of the sleeve, the structure is simple, and the control is convenient and accurate.

In order to enable the feeding mechanism of this embodiment to drive the insulation cotton b to be fed and finally complete sleeving, in this embodiment, the feeding mechanism may include two roller assemblies and a second opening and closing control mechanism (e.g., a second pneumatic gripper 348), the two roller assemblies are oppositely disposed on two sides of the fixed center line, each roller assembly includes a bracket 349, and a roller 347 and a rotation transmission mechanism disposed on the bracket 349, and the insulation cotton sleeving apparatus further includes a rotation driving mechanism, wherein: the second opening and closing control mechanism is in power connection with the two brackets 349 and is used for driving the two roller assemblies to approach to and move away from each other; the rotation driving mechanism is respectively connected with each corresponding roller 347 through each rotation transmission mechanism and is used for driving the two rollers 347 to rotate reversely around the respective rotation axes; when the two roller assemblies approach each other until the two rollers 347 contact the thermal cotton b, the two rollers 347 drive the thermal cotton b to move along the fixed center line by the reverse rotation of the two rollers, so that the thermal cotton b is moved to the outer wall of the connecting pipe a by the guide rod 33 and moves on the outer wall of the connecting pipe a by a predetermined distance relative to the connecting pipe a.

Through setting up two roller assemblies, second control mechanism that opens and shuts and rotation actuating mechanism, can drive the cotton b of keeping warm and arrive the sleeve pipe initial position back at guide bar 33, utilize two roller assemblies of second control mechanism that opens and shuts to be close to each other to with the cotton b contact of keeping warm to two gyro wheels 347 antiport of utilizing two roller assemblies of rotation actuating mechanism drive, make the cotton b automatic feed that keeps warm, accomplish the automatic cover of the cotton b of keeping warm on connecting pipe a and establish, convenient and high-efficient.

In order to enable the two rollers 347 to be in contact with the insulation cotton b more sufficiently, the rollers 347 according to the embodiment may include a roller body, a central axis of the roller body coincides with a rotation axis of the rollers 347, a contact surface for contacting the insulation cotton b is disposed on the roller body, and the contact surface may be a curved surface recessed toward the rotation axis, so that the rollers 347 can better adapt to the softer characteristic of the insulation cotton b and make contact with the insulation cotton b more sufficiently, and when the two rollers 347 rotate in opposite directions, a larger acting force may be applied to the insulation cotton b, and the insulation cotton b is driven to be fed more smoothly.

In addition, in order to make the two rollers 347 drive the insulation cotton b to feed more smoothly, the roller 347 of this embodiment may further have a plurality of gear teeth 347c disposed on the roller body, the plurality of gear teeth 347c being spaced apart from each other around the central axis of the roller body, and a radially outer surface of each gear tooth 347c forming a contact surface of the roller 347 for contacting the insulation cotton b. Because the gear teeth 347c can increase the friction force when the rollers 347 are in contact with the thermal insulation cotton b, the friction force between the thermal insulation cotton b and the guide rod 33 and between the thermal insulation cotton b and the connecting pipe a can be effectively overcome, and the rollers 347 can be well pressed into the softer thermal insulation cotton b when in contact with the thermal insulation cotton b, therefore, the two rollers 347 can drive the thermal insulation cotton b to feed smoothly when rotating reversely by arranging the gear teeth 347c, and the working efficiency of the thermal insulation cotton sleeve equipment is improved.

Of course, it is more preferable that both the gear teeth 347c be provided on the roller 347, and the contact surface of the roller 347 for contacting the thermal cotton b be provided as a curved surface that is concave toward the rotation axis, that is, as shown in fig. 8, the radially outer surface of the gear teeth 347 be provided as a curved surface that is concave toward the rotation axis, so that both the roller 347 and the thermal cotton b can have a larger contact area, and the roller 347 and the thermal cotton b can be brought into closer contact, so that the driving force of the feeding mechanism on the thermal cotton b can be more effectively increased, and the thermal cotton b can be fed more smoothly.

Further, in order to enable the two rollers 347 to more sufficiently contact the thermal cotton b, as shown in fig. 8, it is also possible to provide the roller body with a first end portion 347a and a second end portion 347b at opposite ends of the contact surface in the direction of the rotation axis, the radial dimensions of the first end portion 347a and the second end portion 347b being different, and, in the two rollers 347, the positional relationship of the first end portion 347a and the second end portion 347b of one roller 347 is opposite to the positional relationship of the first end portion 347a and the second end portion 347b of the other roller 347 in the direction of the rotation axis, that is, in fig. 8, the adjacent two rollers 347 are arranged upside down with the first end portion 347a of one roller 347 up and the second end portion 347b down, and the second end portion b of the other roller 347 up and the first end portion 347a down. Based on this, when needs feed, two gyro wheels 347 can be close to each other for every gyro wheel 347 can all contact with the cotton b of heat preservation closely and great area, further increase the frictional force to the cotton b of heat preservation, realize the process of feeding of the cotton b of heat preservation more smoothly.

In this embodiment, the rotation transmission mechanism may include a rotation shaft 346 and a first bevel gear 344 and a second bevel gear 345 engaged with each other, and the rotation driving mechanism transmits power to the corresponding roller 347 through the first bevel gear 344, the second bevel gear 345 and the rotation shaft 346 in sequence; the rotation driving mechanism includes a transmission shaft 343, a central axis of the transmission shaft 343 is disposed along a direction in which the two roller assemblies approach to each other and move away from each other, a first bevel gear 344 is sleeved on the transmission shaft 343, the first bevel gear 344 is capable of rotating along with the transmission shaft 343, and the first bevel gear 344 is slidably connected with the transmission shaft 343 along an axial direction of the transmission shaft 343. Based on this, when the rotating shaft 343 rotates, the transmission shaft 343 can drive the rollers 347 to rotate through the first bevel gear 344, the second bevel gear 345 and the rotating shaft 346, so that the feeding structure can drive the insulation cotton b to feed through the reverse rotation of the two rollers 347 when necessary; moreover, since the first bevel gear 344 is slidably connected to the transmission shaft 343 along the axial direction of the transmission shaft 343, the first bevel gear 344 can be always engaged with the second bevel gear 345 while the second opening and closing control mechanism controls the two rollers 347 to approach each other and to move away from each other, so that the two rollers 347 are driven to rotate when the second opening and closing control mechanism controls the two rollers 347 to approach each other and to contact the insulation wool b.

In order to realize the slidable connection between the first bevel gear 344 and the transmission shaft 343 along the axial direction of the transmission shaft 343, as can be seen from fig. 6 and 7, the transmission shaft 343 of this embodiment is provided with a sliding groove 343a along the axial direction of the transmission shaft 343, and correspondingly, the first bevel gear 344 of this embodiment is correspondingly provided with a convex block matched with the sliding groove 343a, so that when the two rollers 347 need to approach each other and move away from each other, the first bevel gear 344 can move together with the sliding groove 343a, thereby better ensuring that the first bevel gear 344 always keeps meshed with the second bevel gear 345. Of course, it is understood that in other embodiments of the present invention, the positions of the sliding groove 343a and the protruding block can be interchanged, that is, the sliding groove 343a can be disposed on the first bevel gear 344 and the protruding block can be correspondingly disposed on the transmission shaft 343, and the embodiment has the advantage that the sliding groove 343a can be disposed on the transmission shaft 343 only by disposing one sliding groove 343a, so as to satisfy the sliding requirement of the first bevel gear 344 of each thermal insulation cotton sleeving unit, and the structure is simpler, and the integration and modularization of the feeding mechanism of each thermal insulation cotton sleeving unit are more convenient, so that the structure is more compact.

As can be seen from fig. 5 and fig. 6, in this example, the rotation driving mechanism further includes a motor 341 and a belt transmission mechanism 342, and the motor 341 is in power connection with the transmission shaft 343 through the belt transmission mechanism, so that when the motor 341 rotates, the two rollers 347 of different insulation cotton sleeving units can be driven to rotate in opposite directions, thereby realizing driving of each insulation cotton b, and the structure is simpler and the cost is lower.

In this embodiment, the insulation cotton conveying mechanism may include at least one feeding mechanism, and at least one of the at least one feeding mechanism is a first feeding mechanism 34, the first feeding mechanism 34 is connected to the frame 1 and located between the two axial ends of the guide rod 33, and is used for driving the insulation cotton b to move relative to the guide rod 33 after the guide rod 33 reaches the sleeve starting position. By providing the first feeding mechanism 34, the insulation cotton b can be driven to move relative to the guide rod 33 by one or more first feeding mechanisms 34, so that the insulation cotton b can be moved onto the fixed connecting pipe a by the guide rod 33 and finally fed into position.

However, in order to further improve the smoothness of the feeding of the thermal cotton b, it is preferable that the thermal cotton conveying mechanism further includes at least two feeding mechanisms, and at least one of the at least two feeding mechanisms is a first feeding mechanism 34, and at least one of the at least two feeding mechanisms is a second feeding mechanism 37, wherein, in distinction from the first feeding mechanism 34, the second feeding mechanism 37 is a feeding mechanism connected to the frame 1 and located between the two axial ends of the connecting pipe a fixed by the pipe fixing mechanism, and is configured to move the thermal cotton b on the connecting pipe a by a predetermined distance relative to the connecting pipe a together with the first feeding mechanism 34 after the thermal cotton b is moved to the outer wall of the connecting pipe a by the guide bar 33.

Because the first feeding mechanism 34 can drive the insulation cotton b to move relative to the guide rod 33, and the second feeding mechanism 37 can drive the insulation cotton b to move on the connecting pipe a, the first feeding mechanism 34 and the second feeding mechanism 41 can increase the driving force to the insulation cotton b in the feeding process, so that the insulation cotton b can move more smoothly relative to the guide rod 33 and the connecting pipe a, and particularly, the movement process of the insulation cotton b on the connecting pipe a can be performed more smoothly due to the addition of the second feeding mechanism 37.

More preferably, the number of the second feeding mechanisms 37 may be at least two, and the at least two second feeding mechanisms 37 are arranged at intervals along the fixed center line. As described above, the length of the connection pipe a is long, and the friction between the insulation wool b and the connection pipe a is large, so that the difficulty of movement of the insulation wool b relative to the connection pipe a increases with the increase of the feeding distance of the insulation wool b on the connection pipe a, and at least two second feeding mechanisms 37 are arranged at intervals along the fixed center line, so that the number of the second feeding mechanisms 37 increases with the increase of the feeding distance of the insulation wool b, and the driving force for the insulation wool b can be gradually increased in the whole process of feeding the insulation wool b on the connection pipe a, thereby more effectively overcoming the gradually increasing feeding difficulty due to the increase of the feeding distance, and enabling the insulation wool b to be fed to the predetermined distance more smoothly and efficiently. Moreover, the second feeding mechanisms 37 arranged at intervals along the fixed center line can simultaneously play a certain supporting role for the connecting pipe a, and can be used together with the pipe fixing component 21 to reduce the risk of bending phenomenon of the connecting pipe a caused by the fact that the connecting pipe a is soft and long, which also helps to improve the smoothness of feeding the insulation cotton b on the connecting pipe a.

Further, when the thermal cotton transfer mechanism includes at least two second feeding mechanisms 37 disposed at intervals along a fixed center line, the at least two second feeding mechanisms 37 and the plurality of tube fixing assemblies 21 of the aforementioned tube fixing mechanism may be arranged in the following relationship: the at least two second feed mechanisms 37 are provided in one-to-one correspondence with the other tube fixing assemblies 21 of the plurality of tube fixing assemblies 21 of the tube fixing mechanism except for the one closest to the guide bar 33, and each second feed mechanism 37 is provided upstream of the corresponding tube fixing assembly 21 in the direction of movement of the thermal insulating cotton b toward the tube fixing mechanism. Because the first feeding mechanism 34 corresponds to the most upstream pipe fixing assembly 21 and each second feeding mechanism 37 corresponds to the rest of the pipe fixing assemblies 21, each feeding mechanism can be matched with each pipe fixing assembly 21 more effectively, so that the corresponding feeding mechanism is added before the heat insulation cotton b is fed to the position of each pipe fixing assembly 21, the driving force to the heat insulation cotton b is increased, and the heat insulation cotton b can be fed on each section of the connecting pipe a more smoothly and efficiently.

In order to more effectively control the cooperation of each pipe fixing assembly 21 and each corresponding feeding mechanism, in this embodiment, the thermal cotton sleeving unit may further include a detection control device for detecting whether the thermal cotton b moves to each second feeding mechanism 37 and/or to each pipe fixing assembly 21, and the detection control device may control whether each second feeding mechanism 37 starts to drive the thermal cotton b to move relative to the connecting pipe a and/or control each pipe fixing assembly 21 to switch from the fixing state to the fixing release state according to the detection result. By arranging the detection control device, the corresponding action of the second feeding mechanism 37 and/or the pipe fixing component 21 can be automatically controlled according to the actual feeding position of the heat-preservation cotton b in time, and the smoothness of the whole feeding process is further improved.

As an implementation manner of the detection control device of this embodiment, the detection control device may include at least two detection devices 6 disposed in one-to-one correspondence with the at least two second feeding mechanisms 37, each detection device 6 being configured to detect whether the thermal insulation cotton b moves to the corresponding second feeding mechanism 37, and/or each detection device 6 being configured to detect whether the thermal insulation cotton b moves to each pipe fixing assembly 21. The feeding positions of the heat-preservation cotton b are detected by arranging the detecting devices 6 which are the same in number and correspond to the second feeding mechanisms 37 one by one, so that the detection result is more accurate, and the control on the second feeding mechanisms 37 and/or the pipe fixing component 21 can be more accurate and timely.

Specifically, as can be seen from fig. 1, 2 and 5, in this embodiment, the insulation cotton conveying mechanism includes a first feeding mechanism 34, three second feeding mechanisms 37 and three detecting devices 6, wherein the first feeding mechanism 34 is disposed on the carriage 31 and located between two axial ends of the guide rod 33, so as to act on the insulation cotton b on the guide rod 33 and drive the insulation cotton b on the guide rod 33 to move relative to the insulation cotton b; the three second feeding mechanisms 37 are respectively arranged on the rack 1 in one-to-one correspondence with the other three pipe fixing assemblies 21 except for one closest to the guide rod 33 among the four pipe fixing assemblies 21, and are respectively positioned at the upstream of the respectively corresponding pipe fixing assembly 21 along the moving direction of the heat insulation cotton b to the pipe fixing mechanism; the three detection devices 6 are provided in one-to-one correspondence with the three second feeding mechanisms 37, each detection device 6 is configured to detect whether the insulation cotton b moves to the corresponding second feeding mechanism 37, when each detection device 6 detects that the insulation cotton b moves to the corresponding second feeding mechanism 37, the detection control device controls the corresponding second feeding mechanism 37 to start driving the insulation cotton b to move relative to the connection pipe a, and the detection control device controls the first pipe clamping member 211 and the second pipe clamping member 212 of the corresponding pipe fixing assembly 21 to start to be away from each other.

Based on this, in the working process, each pipe fixing component 21 may be in a normally closed state, and each second feeding mechanism 37 may be in a normally open state, that is, when the insulation cotton b is not fed to a certain second feeding mechanism 37, the second feeding mechanism 37 is in an open state, and the corresponding pipe fixing component 21 is in a closed state, and when the insulation cotton b is fed to the second feeding mechanism 37, the corresponding detection device 6 sends a signal, so that the detection control device controls the second feeding mechanism 37 to switch to the closed state, and controls the corresponding pipe fixing component 21 to switch to the open state, so that the second feeding mechanism 37 applies a driving force to the insulation cotton b, and the insulation cotton b can smoothly pass through the corresponding pipe fixing component 21, so that the insulation cotton b can be fed smoothly and continuously until the sheathing of the connecting pipe a is completed.

In addition, in order to make the overall structure of the thermal insulation cotton sleeving apparatus of this embodiment simpler and more compact, as shown in fig. 10, the second feeding mechanisms 37 of different thermal insulation cotton sleeving units, which are located at the same axial position of the connecting pipe a, may be integrally mounted on the supporting frame 4, so that the 12 second feeding mechanisms 37 of the four thermal insulation cotton sleeving units may be divided into three groups, and the four second feeding mechanisms 37 in each group are disposed on the same supporting frame 4, thereby implementing a modular design of each group of second feeding mechanisms 37, which not only makes the structure of the thermal insulation cotton sleeving apparatus simpler and more compact, but also facilitates driving each second feeding mechanism 37 in each group to rotate by using the same rotation driving mechanism (specifically, the same set of motor 341, belt transmission mechanism 342 and transmission shaft 343 in this embodiment), further simplifies the structure, reduces the cost, and further improves the synchronization of the rotation of each second feeding mechanism 37 in each group.

Furthermore, as shown in fig. 5, the thermal insulation cotton conveying mechanism of this embodiment, in addition to the guide rod 33 and the feeding mechanism, may further include a cotton rod clamping mechanism 35, where the cotton rod clamping mechanism 35 is configured to clamp the thermal insulation cotton b and the guide rod 33 in the process that the guide rod 33 drives the thermal insulation cotton b to reach and exit the starting position of the sleeve, so that the thermal insulation cotton b and the guide rod 33 may have better synchronization in the process of reaching and exiting the starting position of the sleeve, and the problem that the thermal insulation cotton b moves relative to the guide rod 33 in the process is prevented, so that the thermal insulation cotton b may more accurately reach and exit the starting position of the sleeve under the driving of the guide rod 33.

By arranging the cotton stalk clamping mechanism 35, different requirements whether the cotton b and the guide rod 33 are in a clamping state or not at different stages of the whole working process can be met more flexibly and conveniently. When the sleeving is ready to be started and the sleeve is required to reach the initial position, and after the sleeving is finished and the sleeve is required to exit from the initial position, the cotton rod clamping mechanism 35 can be used for clamping the heat-insulating cotton b and the guide rod 33, so that the motion synchronism of the heat-insulating cotton b and the guide rod 33 in the process of reaching and exiting from the initial position of the sleeve is improved; when the heat insulation cotton b needs to be driven to feed, the heat insulation cotton b and the guide rod 33 are loosened by the cotton rod clamping mechanism 35, so that the heat insulation cotton b can be fed under the action of the feeding mechanism.

Specifically, as shown in fig. 9, the cotton stalk clamping mechanism 35 of this embodiment includes a first cotton stalk clamping member 351, a second cotton stalk clamping member 352 and a third opening and closing control mechanism, the first cotton stalk clamping member 351 and the second cotton stalk clamping member 352 are oppositely disposed at two sides of the central axis of the guide bar 33 and are both connected with the third opening and closing control mechanism, the third opening and closing control mechanism is used for driving the first cotton stalk clamping member 351 and the second cotton stalk clamping member 352 to approach each other and to move away from each other in the process that the guide bar 33 drives the insulation cotton b to reach or exit the sleeve starting position, wherein: when approaching each other, the first and second cotton stalk clamps 351 and 352 can clamp the insulation cotton b with the guide bar 33; when being away from each other, the first and second cotton stalk clamps 351 and 352 can release the clamping of the insulation cotton b with the guide bar 33. Thus, the first cotton stalk clamp 351 and the second cotton stalk clamp 352 are controlled to approach and separate from each other by the third opening and closing control mechanism, so that the insulation cotton b and the guide bar 33 can be conveniently clamped and released.

More specifically, as shown in fig. 9, in this embodiment, a plurality of U-shaped teeth 353 are provided on each of the first and second cotton stalk clamps 351 and 352 at intervals along the axial direction of the guide bar 33, the plurality of U-shaped teeth 353 on the first cotton stalk clamp 351 are alternately arranged with the plurality of U-shaped teeth 353 on the second cotton stalk clamp 352, and when the first and second cotton stalk clamps 351 and 352 are brought close to each other, the plurality of U-shaped teeth 353 on the first cotton stalk clamp 351 and the plurality of U-shaped teeth 353 on the second cotton stalk clamp 352 are brought close to each other and partially overlapped to clamp the insulation cotton b with the guide bar 33.

The first cotton stalk clamping piece 351 and the second cotton stalk clamping piece 352 are arranged to be of a multi-tooth structure, so that the first cotton stalk clamping piece 351 and the second cotton stalk clamping piece 352 can more sufficiently press the heat preservation cotton b and the guide rod 33, and the first cotton stalk clamping piece 351 and the second cotton stalk clamping piece 352 can more sufficiently contact the heat preservation cotton b and the guide rod 33 due to the depression of the U-shaped teeth 353, so that the cotton stalk clamping mechanism 35 of the embodiment can realize firmer clamping action on the guide rod 33 and the heat preservation cotton b when needed, and can more effectively avoid relative movement between the guide rod 33 and the heat preservation cotton b in the process of reaching and withdrawing the initial position of the sleeve.

As shown in fig. 5, the third opening/closing control mechanism of this embodiment can be operated by the same first cylinder 36, and thus the structure is simpler and the control is more convenient.

Moreover, as shown in fig. 5, in this embodiment, the first feeding mechanism 34 and the cotton stalk clamping mechanism 35 of different insulation cotton bushing units are both disposed on the same sliding rack 31, so as to implement a modular design. Similarly to each set of second feeding mechanisms 37 being disposed on the same carriage 4, the first feeding mechanisms 34 and the cotton stalk clamping mechanisms 35 of different insulation cotton sleeving units are disposed on the same carriage 31, so that the overall structure of the insulation cotton sleeving apparatus is simpler and more compact, and the same rotation driving mechanism (specifically, the same set of motor 341, belt transmission mechanism 342 and transmission shaft 343 in this embodiment) is used to drive each first feeding mechanism 34 to rotate, thereby improving the feeding synchronization of each first feeding mechanism 34. Moreover, for each thermal cotton sleeve unit, the first feeding mechanism 34 and the cotton stalk clamping mechanism 35 are disposed on the sliding frame 31, which is also beneficial in that the first feeding mechanism 34 and the cotton stalk clamping mechanism 35 can move together with the guide bar 33 in the process of reaching and retreating from the sleeve starting position, namely, the axial positions of the first feeding mechanism 34 and the cotton stalk clamping mechanism 35 and the guide bar 33 and the thermal cotton b sleeved on the guide bar 33 are kept relatively unchanged, thereby facilitating the first feeding mechanism 34 and the cotton stalk clamping mechanism 35 to act on the guide bar 33 and the thermal cotton b sleeved on the guide bar 33.

In addition, the thermal cotton bushing unit of this embodiment may further include a thermal cotton cutting mechanism for cutting the thermal cotton b after the thermal cotton b moves a predetermined distance with respect to the connection pipe a, in addition to the pipe fixing mechanism and the thermal cotton conveying mechanism described above. Based on this, when the heat insulation cotton b is fed in place, the heat insulation cotton cutting mechanism can be used for realizing the automatic cutting of the heat insulation cotton b, and the automation degree of the heat insulation cotton sleeving equipment is further improved.

As shown in fig. 1, 2 and 11, in this embodiment, the thermal cotton cutting mechanism includes a cutting blade 55 and a second driving mechanism, and the thermal cotton sleeving apparatus further includes a third driving mechanism, wherein the cutting blade 55 includes two blades 551, the third driving mechanism is used for driving the cutting blade 55 to approach and separate from the thermal cotton b, the second driving mechanism is used for driving the two blades 551 to approach and separate from each other, and when the two blades 551 approach each other, the cutting blade 55 can cut the thermal cotton b.

Specifically, as can be seen from fig. 11, the second driving mechanism includes two second air cylinders 51, and the two second air cylinders 51 are used for controlling the two blades 551 to move in opposite directions so as to control the two blades 551 to approach each other and move away from each other; the third driving mechanism comprises a third air cylinder 52, and the extension and contraction of the third air cylinder 52 are used for controlling the cutting knives 55 to be close to and far away from the heat preservation cotton b.

And in order to facilitate the control of utilizing same third cylinder 52 to realize all cutting off cutters 55 in each cotton sleeve unit of heat preservation, the cotton sleeve equipment of heat preservation of this embodiment still includes mounting bracket 56, and the cotton shutdown mechanism of heat preservation in each cotton sleeve unit of heat preservation all sets up on mounting bracket 56, third cylinder 52 and mounting bracket 56 power connection for utilize the flexible of same third cylinder 52, can control the cutting off cutter 55 of each cotton shutdown mechanism of heat preservation and be close to simultaneously and keep away from heat preservation cotton b, thereby further simplify the structure, raise the efficiency.

Furthermore, in order to improve the accuracy of the movement of the cutting blade 55 by the third driving mechanism, the thermal insulation cotton sleeving apparatus of this embodiment may further include a guide structure for guiding the movement of the cutting blade 55 by the third driving mechanism so that the cutting blade 55 is more accurately moved closer to and farther from the thermal insulation cotton b. Specifically, as shown in fig. 11, the guide structure of this embodiment may include a guide shaft 53 and a linear bearing 54 disposed corresponding to the guide shaft 53, and under the guide action of the guide shaft 53 and the linear bearing 54, the third cylinder 52 may control each cutting knife 55 to move vertically and vertically more accurately, and approach and separate from the insulation cotton b more accurately. More specifically, a plurality of guide shafts 53 may be disposed on the mounting frame 56, and each linear bearing 54 is sleeved on the corresponding guide shaft 53.

In addition, as can be seen from fig. 1 and 2, in this embodiment, the thermal cotton sleeving apparatus further comprises a connecting pipe stopper 7, and the connecting pipe stopper 7 is used for limiting the displacement of the connecting pipe a. Specifically, as shown in fig. 1, the connecting pipe stopper 7 may be provided downstream of the pipe fixing mechanism in the moving direction (i.e., the feeding direction) of the thermal insulation cotton b toward the pipe fixing mechanism. By arranging the connecting pipe limiting device 7, the tail ends (namely, the ends far away from the guide rod 33) of the connecting pipes a fixed on the pipe fixing mechanisms can be more conveniently approximately positioned at the same position, so that the heat-insulating cotton b can be more conveniently sleeved on the connecting pipes a by the heat-insulating cotton conveying mechanisms. Furthermore, the connection pipe position limiter 7 of this embodiment may be movably connected to the frame 1 along a fixed center line, so that the connection pipe position limiter 7 can approach and be away from the connection pipe a fixed by the pipe fixing mechanism, and thus when the guide bar 33 moves to the sleeve starting position and contacts the connection pipe a, the connection pipe position limiter 7 may be controlled to move toward the connection pipe a, so that the connection pipe position limiter 7 approaches the connection pipe a and finally fixes the connection pipe a together with the pipe fixing mechanism, thereby further improving the fixing reliability of the connection pipe a.

The working process of the heat-preservation cotton sleeve equipment of the embodiment can be carried out as follows:

(1) Firstly, inserting a guide rod 33 into the heat insulation cotton b from the starting end of the heat insulation cotton b and then placing the guide rod at the appointed position of the sliding frame 31; meanwhile, gas can be filled at the tail of the heat insulation cotton b to expand the inner diameter of the heat insulation cotton b, so that the friction force between the heat insulation cotton b and the guide rod 33 and the connecting pipe a in the feeding process is reduced;

(2) Fixing the connecting pipe a on the pipe fixing mechanism;

(3) Clamping the heat insulation cotton b and the guide rod 33 by using a cotton rod clamping mechanism 35, and driving the sliding frame 31 to slide on the sliding rail 11 towards the direction of the pipe fixing mechanism by using the electric cylinder 32 until the guide rod 33 drives the heat insulation cotton b to move to the initial position of the sleeve, so that one end of the guide rod 33 close to the pipe fixing mechanism is attached to the inner diameter of the connecting pipe a;

(4) Starting each first feeding mechanism 34, driving the two rollers 347 of the two roller assemblies to approach each other by using the second pneumatic clamping jaw 348 of the first feeding mechanism, and driving the two adjacent rollers 347 to rotate in opposite directions by using the motor 34, so that the insulation cotton b starts to move under the action of the two adjacent rollers 347 to feed;

(5) After the heat insulating cotton b is moved onto the connecting pipe a by the guide rod 33, detecting whether the heat insulating cotton b moves to the corresponding second feeding mechanism 37 by each detecting device 6, when each detecting device 6 detects that the heat insulating cotton b moves to the corresponding second feeding mechanism 37, controlling the corresponding second feeding mechanism 37 to start to drive the heat insulating cotton b to move relative to the connecting pipe a by the detecting control device, and controlling the first pipe clamping piece 211 and the second pipe clamping piece 212 of the corresponding pipe fixing assembly 21 to start to be away from each other by the detecting control device until the heat insulating cotton b is fed to a preset distance on the connecting pipe a;

(6) After the heat insulation cotton b is fed on the connecting pipe a to a preset distance, the heat insulation cotton b and the guide rod 33 are loosened by using the cotton rod clamping mechanism 35, the electric cylinder 32 drives the guide rod 33 to exit from the initial position of the sleeve, so that the guide rod 33 is separated from the connecting pipe a, then the third air cylinder 52 drives the cutting knife 55 to be close to the heat insulation cotton b, and the second air cylinder 51 controls the two blades 551 of the same cutting knife 55 to move in opposite directions, so that the heat insulation cotton b is cut off;

(7) Repeating the steps (2) - (6), and performing the operation of sleeving the new heat-insulating cotton of the connecting pipe a until the heat-insulating cotton b in the step (1) is used up;

(8) And (3) repeating the steps (1) - (7) after the heat preservation cotton b in the step (1) is used up.

It is thus clear that the cotton sleeve pipe equipment of heat preservation of this embodiment, it only needs to be responsible for first cotton material loading work of heat preservation alone, follow-up can realize that the connecting pipe of whole cotton sleeve pipe in-process of heat preservation is fixed promptly, the cotton automation mechanized operation that feeds and the cotton cutting off of heat preservation, accomplish the cotton cover of heat preservation to connecting pipe a automatically and establish the operation, and can establish the cotton b of heat preservation for four connecting pipe a covers simultaneously, and production efficiency is high, and the cost of labor is low, and intensity of labour is light.

The heat-insulation cotton sleeve equipment can be applied to a production system of air conditioner connecting pipes, automatic assembly of the connecting pipes of air conditioners and the like and heat-insulation cotton is realized, the production efficiency of the air conditioner connecting pipes is effectively improved, and the production cost of the air conditioners is reduced. Therefore, the invention also provides a connecting pipe production system which comprises pipe cutting equipment and the heat-insulating cotton sleeving equipment, wherein the pipe cutting equipment is used for cutting the pipe to form the connecting pipe a with the preset length, and the heat-insulating cotton sleeving equipment can be arranged at the downstream of the pipe cutting equipment along the flowing direction of the connecting pipe a.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cotton jacketing equipment of heat preservation, its characterized in that includes frame (1) and sets up the cotton jacketing unit of heat preservation on frame (1), the cotton jacketing unit of heat preservation includes pipe fixed establishment and the cotton conveying mechanism of heat preservation, wherein: the pipe fixing mechanism has a fixing center line and is used for fixing the connecting pipe (a) in a manner that the central axis of the connecting pipe (a) is overlapped with the fixing center line, the pipe fixing mechanism comprises at least one pipe fixing assembly (21), and the pipe fixing assembly (21) has a fixing state for fixing the connecting pipe (a) and a fixing releasing state for releasing the connecting pipe (a); the cotton conveying mechanism of heat preservation is used for making cotton (b) of heat preservation along fixed central line towards pipe fixed establishment moves in order to with cotton (b) of heat preservation cover is located by pipe fixed establishment is fixed after on connecting pipe (a), the cotton conveying mechanism of heat preservation includes guide bar (33) and feed mechanism, wherein: the guide rod (33) penetrates through the heat insulation cotton (b) and can drive the heat insulation cotton (b) to reach and exit from a sleeve starting position through moving relative to the rack (1), and when the guide rod (33) is located at the sleeve starting position, one end, close to the pipe fixing mechanism, of the guide rod (33) is in contact with one end, close to the guide rod (33), of the connecting pipe (a) fixed by the pipe fixing mechanism; the feeding mechanism is used for moving the heat insulation cotton (b) to the outer wall of the connecting pipe (a) from the guide rod (33) and moving the heat insulation cotton (b) on the outer wall of the connecting pipe (a) for a preset distance relative to the connecting pipe (a) after the guide rod (33) reaches the starting position of the sleeve, and the preset distance is the length of the connecting pipe (a) required to cover the heat insulation cotton (b).

2. The thermal cotton sleeve device according to claim 1, characterized in that the tube fixing assembly (21) comprises a first clamping tube (211), a second clamping tube (212) and a first opening and closing control mechanism, the first clamping tube (211) and the second clamping tube (212) are oppositely arranged on two sides of the fixing central line and are connected with the first opening and closing control mechanism, and the first opening and closing control mechanism is arranged on the frame (1) and is used for controlling the tube fixing assembly (2) to be switched between the fixing state and the fixing release state by driving the first clamping tube (211) and the second clamping tube (212) to approach to and move away from each other.

3. The insulating cotton sleeving apparatus according to claim 2, wherein the first clamping tube member (211) and the second clamping tube member (212) cooperate with each other to form a guide groove (21 a) and a clamping groove (21 b), and when the tube fixing assembly (21) is switched from the fixing release state to the fixing state, the connection tube (a) can enter the clamping groove (21 b) and be clamped and fixed in the clamping groove (21 b) under the guide effect of the guide groove (21 a).

4. The insulating cotton sleeving apparatus according to claim 2, wherein said tube fixing mechanism comprises a plurality of said tube fixing assemblies (21), said plurality of tube fixing assemblies (21) being arranged at intervals along said fixed centre line.

5. The thermal cotton sleeving apparatus according to any one of claims 1 to 4, further comprising a sliding frame (31) and a first driving mechanism, wherein: the sliding frame (31) is connected to the frame (1) in a sliding mode along the fixed central line; the guide rod (33) is connected to the sliding frame (31); the first driving mechanism is in power connection with the sliding frame (31) and drives the sliding frame (31) to slide along the fixed central line relative to the machine frame (1) so as to enable the guide rod (33) to reach and retreat from the sleeve starting position.

6. The thermal cotton sleeving apparatus according to any one of claims 1 to 4, wherein the feeding mechanism comprises two roller assemblies and a second opening and closing control mechanism, the two roller assemblies are oppositely arranged at two sides of the fixed center line, each roller assembly comprises a bracket (349) and a roller (347) and a rotation transmission mechanism which are arranged on the bracket (349), and the thermal cotton sleeving apparatus further comprises a rotation driving mechanism, wherein: the second opening and closing control mechanism is in power connection with the two brackets (349) and is used for driving the two roller assemblies to approach to and depart from each other; the rotary driving mechanism is respectively connected with each corresponding roller (347) through each rotary transmission mechanism and is used for driving the two rollers (347) to reversely rotate around the respective rotation axes; when the two roller assemblies are close to each other until the two rollers (347) are in contact with the heat insulation cotton (b), the two rollers (347) drive the heat insulation cotton (b) to move along the fixed center line through the reverse rotation of the two rollers, so that the heat insulation cotton (b) is moved to the outer wall of the connecting pipe (a) by the guide rod (33) and is moved on the outer wall of the connecting pipe (a) by a preset distance relative to the connecting pipe (a).

7. The insulating cotton sleeving device according to claim 6, wherein the roller (347) comprises a roller body, the central axis of the roller body coincides with the rotation axis of the roller (347), and a contact surface for contacting the insulating cotton (b) is arranged on the roller body, and the contact surface is a curved surface concave to the rotation axis.

8. The insulating cotton sleeving apparatus according to claim 7, wherein a plurality of gear teeth (347 c) are arranged on the roller body, the gear teeth (347 c) are distributed on the roller body at intervals around the central axis of the roller body, and the radial outer surface of each gear tooth (347 c) forms a contact surface of the roller (347) for contacting the insulating cotton (b).

9. The insulating cotton sleeving apparatus according to claim 7, wherein said roller body has a first end portion (347 a) and a second end portion (347 b) at opposite ends of said contact surface in the direction of said rotation axis, the radial dimension of said first end portion (347 a) and said second end portion (347 b) being different, and, in said two rollers (347), the positional relationship of the first end portion (347 a) and the second end portion (347 b) of one of said rollers (347) is opposite to the positional relationship of the first end portion (347 a) and the second end portion (347 b) of the other of said rollers (347) in the direction of said rotation axis.

10. The thermal cotton sleeving apparatus according to claim 6, wherein the rotary transmission mechanism comprises a rotating shaft (346) and a first bevel gear (344) and a second bevel gear (345) which are engaged with each other, and the rotary drive mechanism transmits power to the corresponding roller (347) through the first bevel gear (344), the second bevel gear (345) and the rotating shaft (346) in sequence; the rotary driving mechanism comprises a transmission shaft (343), the central axis of the transmission shaft (343) is arranged along the direction that the two roller assemblies approach to each other and move away from each other, the first bevel gear (344) is sleeved on the transmission shaft (343), the first bevel gear (344) can rotate along with the transmission shaft (343), and the first bevel gear (344) is connected with the transmission shaft (343) in a sliding manner along the axial direction of the transmission shaft (343).

11. The insulating cotton bushing apparatus according to claim 10, characterized in that one of the transmission shaft (343) and the first bevel gear (344) is provided with a sliding groove (343 a) arranged along the axial direction of the transmission shaft (343) and the other is provided with a projection cooperating with the sliding groove (343 a).

12. The insulating cotton sleeving device according to any one of claims 1-4, wherein the insulating cotton conveying mechanism comprises at least one feeding mechanism, at least one of the at least one feeding mechanism is a first feeding mechanism (34), and the first feeding mechanism (34) is connected to the frame (1) and located between the two axial ends of the guide rod (33) and used for driving the insulating cotton (b) to move relative to the guide rod (33) after the guide rod (33) reaches the sleeving starting position.

13. The thermal cotton sleeving apparatus according to claim 12, wherein the thermal cotton feeding mechanism comprises at least two feeding mechanisms, at least one of the at least two feeding mechanisms is the first feeding mechanism (34), and at least one of the at least two feeding mechanisms is a second feeding mechanism (37), the second feeding mechanism (37) is connected to the frame (1) and located between the two axial ends of the connecting pipe (a) fixed by the pipe fixing mechanism, and is used for moving the thermal cotton (b) on the connecting pipe (a) relative to the connecting pipe (a) by the predetermined distance together with the first feeding mechanism (34) after the thermal cotton (b) is moved to the outer wall of the connecting pipe (a) by the guide rod (33).

14. The insulating cotton sleeving apparatus according to claim 13, wherein the number of the second feeding mechanisms (37) is at least two, and the at least two second feeding mechanisms (37) are arranged at intervals along the fixed center line.

15. The insulating cotton sleeving apparatus according to claim 14, wherein the at least two second feeding mechanisms (37) are provided in one-to-one correspondence with the other tube fixing assemblies (21) except for one closest to the guide bar (33) among the plurality of tube fixing assemblies (21) of the tube fixing mechanism, and each second feeding mechanism (37) is provided upstream of the corresponding tube fixing assembly (21) in a moving direction of the insulating cotton (b) toward the tube fixing mechanism.

16. The cotton sleeving apparatus according to claim 15, further comprising a detection control device for detecting whether the cotton (b) is moved to each of the second feeding mechanisms (37) and/or to each of the pipe fixing assemblies (21), and controlling each of the second feeding mechanisms (37) to start driving the cotton (b) to move relative to the connecting pipe (a) and/or controlling each of the pipe fixing assemblies (21) to switch from the fixing state to the fixing release state according to the detection result.

17. The thermal insulation cotton sleeving device according to any one of claims 1 to 4, wherein the thermal insulation cotton conveying mechanism further comprises a cotton stalk clamping mechanism (35), and the cotton stalk clamping mechanism (35) is used for clamping the thermal insulation cotton (b) and the guide rod (33) in the process that the guide rod (33) drives the thermal insulation cotton (b) to reach and exit the initial position of the sleeving.

18. An insulating cotton sleeving apparatus according to claim 17, wherein said cotton stalk clamping mechanism (35) comprises a first cotton stalk clamping member (351), a second cotton stalk clamping member (352) and a third opening control mechanism, said first cotton stalk clamping member (351) and said second cotton stalk clamping member (352) are oppositely arranged on both sides of the central axis of said guide bar (33) and are connected with said third opening control mechanism, said third opening control mechanism is used for driving said first cotton stalk clamping member (351) and said second cotton stalk clamping member (352) to approach each other and to move away from each other in the process that said guide bar (33) drives said insulating cotton (b) to reach or exit said sleeve starting position, wherein: when brought close to each other, the first cotton stalk clamp (351) and the second cotton stalk clamp (352) are able to clamp the insulation cotton (b) with the guide bar (33); when the cotton stalks are separated from each other, the first cotton stalk clamp 351 and the second cotton stalk clamp 352 can release the clamping of the heat insulating cotton b and the guide bar 33.

19. The insulating cotton sleeving apparatus according to claim 18, wherein the first cotton stalk clamp (351) and the second cotton stalk clamp (352) are each provided with a plurality of U-shaped teeth (353) spaced apart along the axial direction of the guide bar (33), the plurality of U-shaped teeth (353) of the first cotton stalk clamp (351) being staggered with respect to the plurality of U-shaped teeth (353) of the second cotton stalk clamp (352), the plurality of U-shaped teeth (353) of the first cotton stalk clamp (351) and the plurality of U-shaped teeth (353) of the second cotton stalk clamp (352) being adjacent to each other and partially overlapping to clamp the insulating cotton (b) with the guide bar (33) when the first cotton stalk clamp (351) and the second cotton stalk clamp (352) are adjacent to each other.

20. The thermal cotton sleeving apparatus according to any one of claims 1 to 4, wherein said thermal cotton sleeving unit further comprises a thermal cotton cutting mechanism for cutting said thermal cotton (b) after said thermal cotton (b) moves said predetermined distance with respect to said connecting pipe (a).

21. The thermal cotton sleeve apparatus as claimed in claim 20, wherein the thermal cotton cutting mechanism comprises a cutting blade (55) and a second driving mechanism, the thermal cotton sleeve apparatus further comprises a third driving mechanism, the cutting blade (55) comprises two blades (551), wherein the third driving mechanism is used for driving the cutting blade (55) to approach and separate from the thermal cotton (b), the second driving mechanism is used for driving the two blades (551) to approach and separate from each other, and when the two blades (551) approach each other, the cutting blade (55) can cut off the thermal cotton (b).

22. The insulating cotton sleeving device according to claim 1, wherein the insulating cotton sleeving device comprises at least two insulating cotton sleeving units, and the at least two insulating cotton sleeving units are arranged side by side.

23. The insulating cotton sleeving device according to claim 1, further comprising a connecting pipe limiting device (7) arranged on the frame (1), wherein the connecting pipe limiting device (7) is used for limiting the displacement of the connecting pipe (a).

24. A connecting tube production system comprising a tube cutting apparatus for cutting a tube material to form a connecting tube (a) having a predetermined length, wherein the connecting tube production system further comprises an insulating cotton sleeving apparatus according to any one of claims 1 to 23.