WO2016106741A1

WO2016106741A1 - Pipe cutting apparatus and clamping system thereof

Info

Publication number: WO2016106741A1
Application number: PCT/CN2014/096051
Authority: WO
Inventors: 谷晓雨
Original assignee: 深圳市大富方圆成型技术有限公司
Priority date: 2014-12-31
Filing date: 2014-12-31
Publication date: 2016-07-07
Also published as: CN107107216B; CN107107216A

Abstract

A clamping system for use in a pipe cutting apparatus, comprising a supporting track (100), a clamping mechanism (200), and a transmission mechanism. A switch control board (110) is arranged on a side of the supporting rail. The clamping mechanism is movably arranged along the supporting rail. The transmission mechanism is arranged under the supporting rail, connected with the clamping mechanism, and used for driving the clamping mechanism to move along the supporting rail. The clamping mechanism implements an action of clamping a to-be-cut pipe by touching the switch control board while in motion, thus allowing the to-be-cut pipe to move along with the transmission mechanism. A pipe cutting apparatus using the clamping system. The pipe cutting apparatus and the clamping system thereof are structurally simple and are capable of satisfying requirements on the precision of length in pipe cutting within a certain range of precision, thus implementing automatic cutting.

Description

Pipe cutting equipment and clamping system thereof

[Technical Field]

The invention relates to the technical field of pipe cutting, in particular to a pipe cutting device and a clamping system thereof.

【Background technique】

In the prior art, there are many types of pipe cutting equipment, such as a wire cutting machine, a grinding wheel cutting machine, etc., and for a cutting device such as a wire cutting machine which requires high precision, the clamping position accuracy of the positioning jig is also High requirements, naturally the design requirements of the fixture will be very strict and costly; however, for a common grinding wheel cutting machine that requires less precision, the operator usually uses a hand-held cutting tube to cut. The mode of operation is dangerous and it is difficult to grasp the cutting length of each cut.

Therefore, a cutter clamping system which is simple in structure and can ensure an inner precision of a certain precision range (generally, a rough cutting requirement is accurate to a centimeter) is urgently required.

[Summary of the Invention]

In view of this, an embodiment of the present invention provides a clamping system for a pipe cutting device, the clamping system including a bearing rail, a clamping mechanism, and a transmission mechanism, wherein a side of the carrier rail is provided with a switch control a clamping mechanism is movably disposed along the carrying rail; the transmission mechanism is disposed at a bottom of the carrying rail and connected to the clamping mechanism for driving the clamping mechanism along the carrying rail The clamping mechanism realizes the clamping action of the pipe to be cut by touching the switch control panel during the movement, thereby causing the pipe to be cut to move together with the transmission mechanism.

According to a preferred embodiment of the present invention, the clamping mechanism includes a main mounting seat, a clamping link, and a fixing base; the main mounting base includes a bottom plate and first mounting side walls and second spaced apart from the bottom plate Installing a side wall, the clamping link is disposed through the first mounting sidewall and the second mounting sidewall, and two ends of the clamping link respectively protrude from the first mounting sidewall and An outer side of the second mounting sidewall, one end of the clamping link is provided with a clamping head, and the clamping head cooperates with a clamping block on the main mounting seat to form a clamping opening; The other end of the rod touches the switch control panel during movement of the clamping mechanism to achieve relative opening between the clamping head and the clamping block; the fixing seat is fixed to the The bottom of the main mount and is used to connect the transmission mechanism.

According to a preferred embodiment of the present invention, the fixing base includes a fixing block, a sliding shaft disposed through the fixing block, and a sliding guide wheel respectively disposed at two ends of the sliding shaft, wherein the sliding guide wheel is supported by the sliding guide wheel Carrying the track.

According to a preferred embodiment of the present invention, the carrying rails are two, each of the supporting rails includes an integrally formed vertical supporting portion and a horizontal supporting portion, and the horizontal supporting portions are respectively disposed inside the top end of the vertical supporting portion, The sliding guide wheel is in rolling contact with the bottom surface of the horizontal support portion, and the bottom surface of the main mounting seat is in sliding contact with the top surface of the horizontal support portion.

According to a preferred embodiment of the present invention, the other end of the clamping link is further provided with a touch pulley. When the clamping mechanism touches the switch control board, the touch pulley is supported by the switch. On the control panel.

According to a preferred embodiment of the present invention, an elastic clamping unit is further disposed between the clamping link and the first mounting sidewall or the second mounting sidewall for implementing the clamping head and the The relative opening between the clamping blocks.

According to a preferred embodiment of the present invention, the elastic clamping unit includes an elastic member sleeved on an outer circumference of the clamping link and a positioning pin disposed on the clamping link, and the elastic member abuts at one end. The first mounting sidewall or the second mounting sidewall has the other end abutting the positioning pin.

According to a preferred embodiment of the invention, the elastic element is a spring.

According to a preferred embodiment of the present invention, the switch control panel includes an integrally formed fixing portion and a contact portion, and the fixing portion is fixedly coupled to an outer side surface of the carrier rail, and the contact portion includes a horizontal portion and a horizontal portion. Side curved guide.

According to a preferred embodiment of the present invention, the top surfaces of the first mounting sidewall and the second mounting sidewall are provided with connecting beams spanning the first mounting sidewall and the second mounting sidewall.

According to a preferred embodiment of the present invention, the bottom of the fixing block is further provided with a transmission connecting groove, and the transmission connecting groove is used for realizing the transmission connection between the transmission mechanism and the clamping mechanism.

According to a preferred embodiment of the present invention, both ends of the supporting rail are provided with a curved transition section, and the sectional structure of the curved transition section is the same as the sectional structure of the middle part of the supporting rail, and the curved transition section is used for realizing A smooth connection when the clamping mechanism is drawn or drawn away from the carrying track.

In order to solve the above technical problems, the present invention also provides a pipe cutting device comprising the clamping system in the above embodiment.

The pipe cutting device and the clamping system provided by the invention have the advantages of simple structure and the requirement of length precision of a certain precision range of pipe cutting, and the person is saved from the manual operation of cutting the pipe; and has high practical value.

[Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work.

Figure 1 is a partial structural view of a clamping system for a pipe cutting device of the present invention;

Figure 2 is a schematic structural view of the clamping mechanism of the embodiment of Figure 1;

Figure 3 is a side view of the clamping mechanism of the embodiment of Figure 1 mated with the carrier rail;

4 is a schematic structural view of a switch control board in the embodiment of FIG. 1;

Figure 5 is a schematic structural view of a cutter head transmission system for a pipe cutting device of the present invention;

Figure 6 is a schematic structural view of another perspective of the cutter head transmission system in the embodiment of Figure 5;

Figure 7 is a schematic view showing the structure of the mounting seat and the guiding assembly in the embodiment of Figure 5;

Figure 8 is a side elevational view of the structure of the guide assembly of the embodiment of Figure 5.

【detailed description】

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Please refer to FIG. 1. FIG. 1 is a partial structural view of a clamping system for a pipe cutting apparatus according to the present invention; the clamping system includes a carrier rail 100, a clamping mechanism 200, and a transmission mechanism (not shown). The side of the carrying rail 100 is provided with a switch control board 110. The clamping mechanism 200 is movably disposed along the carrying rail 100. The transmission mechanism is disposed at the bottom of the carrying rail 100 and connected to the clamping mechanism 200 for driving the clamping mechanism 200 along the bearing. When the rail 100 moves, the clamping mechanism 200 realizes the clamping action of the pipe to be cut by touching the switch control panel 110 during the movement, thereby causing the pipe to be cut to move together with the transmission mechanism.

Specifically, the clamping mechanism 200 includes a main mounting seat 210, a clamping link 220, and a fixing base 230. Referring to FIG. 2, FIG. 2 is a schematic structural view of the clamping mechanism in the embodiment of FIG. The bottom plate 211 and the first mounting sidewall 212 and the second mounting sidewall 213 are disposed on the bottom plate 211.

The clamping link 220 is disposed through the first mounting sidewall 212 and the second mounting sidewall 213, and the two ends of the clamping link 220 protrude from the outside of the first mounting sidewall 212 and the second mounting sidewall 213, respectively. One end of the clamping link 220 is provided with a clamping head 221, and the clamping head 221 cooperates with the clamping block 214 on the main mounting 210 to form a clamping opening for clamping the pipe to be cut.

The other end of the clamping link 220 passes the switch control panel 110 during movement of the clamping mechanism 200 to effect relative opening between the clamping head 221 and the clamping block 214. Preferably, the clamping link 220 is provided with a contact pulley 222 at one end of the touch switch control panel 110, and the contact pulley 222 is connected to the clamping link 220 through the connecting shaft 223, when the clamping mechanism 200 touches the switch control panel At 110 o'clock, the contact pulley 222 is rolled and supported on the switch control board 110.

The fixing base 230 is fixed to the bottom of the main mount 210 and is used for connecting with the transmission mechanism. The fixing base 230 includes a fixing block 231 , a sliding shaft 232 extending through the fixing block 231 , and a sliding guide wheel 233 respectively disposed at two ends of the sliding shaft 232 . The sliding guide wheel 233 is supported on the bearing rail 100 . The bottom of the fixing block 231 is further provided with a transmission connecting groove 2310 for realizing a transmission connection between the transmission mechanism (not shown) and the clamping mechanism 200.

In addition, the top surface of the first mounting sidewall 212 and the second mounting sidewall 213 are provided with a connecting beam 215 spanning the first mounting sidewall 212 and the second mounting sidewall 213, and the connecting beam 215 can be strengthened on the one hand. The overall structure of the main mount 210, on the other hand, will be described in detail later.

Please refer to FIG. 3. FIG. 3 is a side view of the clamping mechanism and the carrier rail in the embodiment of FIG. 1. In the present embodiment, the carrier rails 100 are preferably two, each of the carrier rails includes an integrally formed vertical support portion 120 and a horizontal support portion 130, and the horizontal support portions 130 are respectively disposed at the top ends of the vertical support portions 120. The sliding guide wheel 233 is in rolling contact with the bottom surface of the horizontal supporting portion 130, and the bottom surface of the main mounting seat 210 is in sliding contact with the top surface of the horizontal supporting portion 130.

Preferably, please refer to FIG. 1 , the two ends of the load rail 100 are provided with a curved transition section 190 , the cross-sectional structure of the curved transition section 190 is the same as the section structure of the middle part of the load rail 100 , and the curved transition section 190 The function is to achieve a smooth connection when the clamping mechanism 200 is drawn or drawn away from the carrier rail 100.

Referring to FIG. 2 and FIG. 3 together, the clamping mechanism 200 further includes an elastic clamping unit 240 disposed between the clamping link 220 and the second mounting sidewall 213 for implementing When the touch pulley 222 does not hold the switch control board 110, the relative clamping between the clamping head 221 and the clamping block 214. The elastic clamping unit 240 further includes an elastic member 241 sleeved on the outer circumference of the clamping link 220 and a positioning pin 242 disposed on the clamping link 220. One end of the elastic member 241 abuts the second mounting sidewall 213, and the other end Abutting the positioning pin 242. Wherein, the elastic member 241 can be a spring. When the clamping head 221 and the clamping block 214 need to be opened, the contact pulley 222 holds the switch control panel 100 to overcome the elastic force of the elastic member 241, so that the clamping head 221 and the clamping block 214 are relatively opened.

Of course, in other embodiments, the elastic clamping unit 240 can also be disposed between the clamping link 220 and the first mounting sidewall 212, which is within the understanding of those skilled in the art and will not be described herein.

Please refer to FIG. 3 and FIG. 4 together. FIG. 4 is a schematic structural diagram of the switch control board in the embodiment of FIG. 1. The switch control board 110 includes an integrally formed fixing portion 111 and a contact portion 112, and the fixing portion 111 and the carrier rail 100 An outer side surface is fixedly connected, wherein the contact portion 112 includes a horizontal portion 1121 and a curved surface guiding portion 1122 on both sides of the horizontal portion 1121, and the curved surface guiding portion 1122 is used to ensure smooth sliding between the touch pulley 222 and the switch control panel 110. contact. With reference to FIG. 1 , in the embodiment, there are two switch control boards 110 , which are respectively disposed at two ends of one side of the carrier rail 100 , and in other embodiments, the distance between the switch control boards 110 is not limited, and the switch is not limited. The separation distance of the control panel 110 determines the length of the pipe to be cut each time. Therefore, the separation distance of the switch control panel 110 can be set according to specific cutting requirements, which is not limited herein.

Not shown in the transmission mechanism, it can be adopted as a transmission form of the motor to drive the chain, and the chain is connected with the transmission connection groove 2310, thereby driving the reciprocating movement of the clamping mechanism 200 on the upper surface and the bottom of the bearing rail 100. Of course, the transmission mechanism can also drive the belt and the like for the motor, which can be understood by those skilled in the art, and will not be enumerated here.

The clamping system for the pipe cutting device provided by the embodiment of the invention has simple structure and can realize the length precision requirement of the pipe cutting certain precision range, and the cutting length is determined by the spacing of the switch control board, which can save labor cost of manual manual operation. , has a high practical value.

Please refer to FIG. 1 to FIG. 6 , wherein FIG. 5 is a schematic structural view of a cutter head transmission system for a pipe cutting device according to the present invention; FIG. 6 is a schematic structural view of another perspective of the cutter head transmission system in the embodiment of FIG. 5 ; The cutter head transmission system includes: a slide rail 310, a mounting base 320, and a guiding assembly 330. The sliding rail 310 is disposed on one side of the transmission mechanism for conveying the pipe to be cut, specifically, the outer side of the bearing rail 100, and is provided with an initial position. In Fig. 1, the mounting seat 320 is located at the leftmost position of the slide rail 310, that is, the initial position.

The cutter head assembly 500 is mounted on the mounting base 320. The mounting base 320 is slidably mounted on the slide rail 310. The mounting base 320 is provided with a locking mechanism 340. The locking mechanism 340 can be disposed on the transmission mechanism when the mounting base 320 is at the initial position. The fixed block is locked and then slid along the slide rail 310 by the transmission mechanism. The guide assembly 330 is used to guide the mount 320 during the sliding of the mount 320 by the transmission mechanism relative to the slide rail 310. The cutter head assembly 500 is moved toward the tube to be cut and the cutting action of the tube to be cut is completed. In this embodiment, the fixing block is a connecting beam 215 spanned between the first mounting sidewall 212 of the main mounting seat 210 of the clamping mechanism 200 and the top surface of the second mounting sidewall 213. In other embodiments, The fixing block can also be other structures fixed on the transmission mechanism and moving together with the transmission mechanism, and will not be enumerated here.

Specifically, please refer to FIG. 7. FIG. 7 is a schematic structural view of the mounting seat and the guiding assembly in the embodiment of FIG. 5. The mounting base 320 includes a bottom plate 321 and a bracket plate 322 integrally connected with the bottom plate 321, and the cutter head assembly 500 is connected. On the bracket plate 322, the bottom plate 321 is slidably coupled to the slide rail 310 via a slider 323, and the slide rail 310 is fixed to one side of the transmission mechanism through the bearing housing 311 at both ends thereof, specifically, the outer side of the load rail 100.

The mount 320 is rotatable about the axis of the slide rail 310 while sliding relative to the slide rail 310. The mounting base 320 is further provided with a supporting mechanism 350. In the present embodiment, the supporting mechanism 350 includes a supporting rod 351 extending parallel to the bottom plate 321 and a rolling wheel 352 disposed at an end of the supporting rod 351.

The locking mechanism 340 includes an integrally connected vertical portion 341, a horizontal portion 342, and a locking portion 343, wherein the vertical portion 341 is fixedly coupled to the upper surface of the bottom plate 321, and the horizontal portion 342 is used to connect the vertical portion 341 and the locking portion 343. The locking portion 343 is for locking with a fixed block provided on the transmission mechanism.

The guiding assembly 330 includes a first slanting plate 331 and a second slanting plate 332 which are disposed obliquely along the extending direction of the sliding rail 310. The supporting mechanism 350 is supported during the sliding of the mounting seat 320 by the transmission mechanism with respect to the sliding rail 310. The upper surface of the first slanting plate 331 moves along the first slanting plate 331, thereby causing the mounting seat 320 to rotate about the axis of the sliding rail and causing the bit assembly 500 to move toward the pipe to be cut.

Please refer to FIG. 8. FIG. 8 is a side view showing the structure of the guiding assembly in the embodiment of FIG. 5. The second slanting plate 332 is disposed below the first slanting plate 331 and is also disposed along the extending direction of the sliding rail 310. The second slanting plate 332 is oppositely inclined with respect to the first slanting plate 331 , and the second slanting plate 332 can be Installed on the workbench. The support mechanism 350 is dropped from the first slanting plate 331 and supported on the upper surface of the second slanting plate 332 after the cutting assembly 500 completes the cutting operation of the pipe to be cut, thereby unlocking the locking mechanism 340 and the fixed block.

Preferably, the cutter head transmission system further includes a resetting assembly (not shown), and the locking mechanism 340 is unlocked with the fixed block after the cutting head assembly 500 completes the cutting action of the tube to be cut, and then the mounting assembly 320 is driven along the sliding rail by the resetting assembly. 310 slides back and returns to the initial position. Specifically, during the reverse sliding of the mounting seat 320 by the resetting assembly relative to the sliding rail 310, the supporting mechanism 350 is supported on the upper surface of the second slanting plate 332 and slides along the second slanting plate 332, thereby enabling installation. The seat 320 rotates about the axis of the slide rail 310 and, when returned to the initial position, rotates into a state that can be locked with the fixed block provided on the transmission mechanism.

The first slanting plate 331 is rotatably disposed relative to the second slanting plate 332, and the end of the first slanting plate 331 adjacent to the initial position is overlapped with the second slanting plate 332 such that the supporting mechanism 350 is along the second slanting plate During the movement of the 332 to the initial position, the support mechanism 350 may move from below the first slanting plate 331 (ie, the upper surface of the second slanting plate 332) to the outside of the end of the first slanting plate 331, a broken line H in FIG. Representing the same horizontal line, in the initial position, the end of the support mechanism 350 is located at the left end of the broken line H, at which time the locking mechanism 340 is in a state that can be locked with the fixed block provided on the transmission mechanism; when the cutting action is ended, due to the support mechanism 350 The right end of the first slanting plate 331 is dropped to the second slanting plate 332, that is, the supporting mechanism 350 is below the horizontal line (H line). Therefore, the locking mechanism 340 and the fixed block are unlocked, and the resetting assembly drives the mounting seat 320. Slide back along slide rail 310 and return to the initial position.

In the next cycle, the support mechanism 350 moves from the end of the first slanting plate 331 to the first swash plate 331 during the sliding of the mounting mechanism 320 relative to the slide rail 310.

Wherein, the reset unit may be a suspended weight and a rope connecting the suspended weight and the mount 320. The mount 320 is reset to the initial position by the action of the weight of the weight. The resetting unit can also be a tension spring. One end of the tension spring is connected to the working table, and the other end is connected to the mounting base 320. In this way, the mounting seat 320 can be reset to the initial position, which is not specifically limited herein.

In addition, the cutter head transmission system further includes a travel switch (not shown) disposed on a side of the work platform carrying rail, and the transmission mechanism triggers the cutter head assembly 500 to be activated by touching the travel switch. The cutter head assembly 500 can include a motor 511 and a slice 512 driven by the motor 511 in this embodiment.

The cutter head transmission system provided by the embodiment of the invention can realize the automatic cutting operation and the cutter head resetting action by setting the ingenious transmission structure.

In addition, the embodiment of the present invention further provides a pipe cutting device, which comprises the cutter head transmission system and/or the clamping system in the above embodiment, and other technical features of the pipe cutting device are understood by those skilled in the art. Within the scope, it will not be described here.

The above is only a part of the embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes in the equivalent structure made by the description of the present invention and the contents of the drawings may be directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

A clamping system for a pipe cutting apparatus, characterized in that the clamping system comprises:

Carrying a track, the side of the carrying track is provided with a switch control board;

a clamping mechanism, the clamping mechanism being movably disposed along the carrying rail;

a transmission mechanism, the transmission mechanism is disposed at a bottom of the carrier rail and connected to the clamping mechanism for driving the clamping mechanism to move along the bearing rail, and the clamping mechanism is touched during the movement The switch control panel realizes a clamping action of the pipe to be cut, and then the pipe to be cut is moved together with the transmission mechanism.
The clamping system according to claim 1, wherein the clamping mechanism comprises a main mounting seat, a clamping link, and a fixing base; the main mounting base comprises a bottom plate and a first portion disposed on the bottom plate a mounting side wall and a second mounting side wall, the clamping link is disposed through the first mounting side wall and the second mounting side wall, and two ends of the clamping link are respectively protruded from the One side of the first mounting side wall and the second mounting side wall, one end of the clamping link is provided with a clamping head, and the clamping head cooperates with the clamping block on the main mounting seat to form a clamping a mouth; the other end of the clamping link touches the switch control panel during movement of the clamping mechanism to achieve relative opening between the clamping head and the clamping block; A fixing base is fixed to the bottom of the main mount and is used for connecting the transmission mechanism.
The clamping system according to claim 2, wherein the fixing base comprises a fixing block, a sliding shaft disposed through the fixing block, and a sliding guide wheel respectively disposed at two ends of the sliding shaft, A sliding guide wheel is supported on the carrying rail.
The clamping system according to claim 3, wherein the carrier rails are two, each of the carrier rails comprises an integrally formed vertical support portion and a horizontal support portion, and the horizontal support portions are respectively disposed on the vertical Inside the top end of the support portion, the sliding guide wheel is in rolling contact with the bottom surface of the horizontal support portion, and the bottom surface of the main mount is in sliding contact with the top surface of the horizontal support portion.
The clamping system according to claim 2, wherein the other end of the clamping link is further provided with a touch pulley, the touch when the clamping mechanism touches the switch control panel The pulley is supported by the switch control board.
The clamping system according to claim 2, wherein a resilient clamping unit is further disposed between the clamping link and the first mounting sidewall or the second mounting sidewall for The relative opening between the clamping head and the clamping block.
The clamping system according to claim 6, wherein the elastic clamping unit comprises an elastic member sleeved on an outer circumference of the clamping link and a positioning pin disposed on the clamping link. One end of the elastic element abuts the first mounting sidewall or the second mounting sidewall, and the other end abuts the positioning pin.
The clamping system of claim 7 wherein said resilient member is a spring.
The clamping system according to claim 1, wherein said switch control panel comprises an integrally formed fixing portion and a contact portion, said fixing portion being fixedly coupled to an outer side surface of said carrier rail, said contact portion The curved surface guides on both sides of the horizontal portion and the horizontal portion are included.
The clamping system of claim 2 wherein said first mounting sidewall and said second mounting sidewall have a top surface disposed across said first mounting sidewall and said second mounting The connecting beam of the side wall.
The clamping system according to claim 4, wherein the bottom of the fixing block is further provided with a transmission connecting groove, and the transmission connecting groove is used for realizing a transmission connection between the transmission mechanism and the clamping mechanism.
The clamping system according to claim 3, wherein both ends of the load rail are provided with a curved transition portion, and the sectional structure of the curved transition portion is the same as the sectional structure of the intermediate portion of the load rail. The curved transition section is used to achieve a smooth connection when the clamping mechanism is drawn or drawn away from the carrying rail.
A pipe cutting apparatus, characterized in that the pipe cutting device comprises the clamping system of any of claims 1-12.