CN220596539U

CN220596539U - Tensioning mechanism and flat plate winding machine

Info

Publication number: CN220596539U
Application number: CN202321807158.0U
Authority: CN
Inventors: 谈源; 袁昊; 陈亚飞; 顾杰宁; 陈雪俊
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-03-15
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to the technical field of composite material forming, in particular to a tensioning mechanism and a flat plate winding machine, wherein the tensioning mechanism comprises: the device comprises a main shaft, an assembly component and a guide component; the assembly component comprises a rotating seat and a mounting sleeve; the guide assembly comprises a tensioning support, a first guide plate, a second guide plate, a guide rod and a driving part, wherein the first guide plate and the second guide plate are arranged in parallel with the rotating seat and are respectively positioned at two sides of the tensioning support; the assembly component is connected with the guide component through the connecting component, the connecting component comprises a mounting seat, a rotating rod and a connecting rod, the mounting seat is sleeved on the main shaft, one side facing the mounting sleeve is provided with the rotating seat, the connecting rod is in sliding connection with the mounting sleeve, and two ends of the rotating rod are respectively connected with the connecting rod and the rotating seat in a rotating way; the condition that the tension force is too large or too small is avoided, so that the winding quality and the winding efficiency are ensured.

Description

Tensioning mechanism and flat plate winding machine

Technical Field

The utility model relates to the technical field of composite material forming, in particular to a tensioning mechanism and a flat plate winding machine.

Background

Carbon fiber has a series of excellent performances such as high specific strength and specific modulus, low thermal expansion coefficient, high temperature resistance, corrosion resistance, creep resistance, self-lubrication and the like, and is widely applied to various fields such as aerospace, nuclear energy equipment, transportation, invisible weapons and the like; in order to further strengthen the physical and chemical properties of the carbon fiber, the carbon fiber is usually compounded with plates or materials made of other materials by utilizing the characteristics of flexibility, braiding property and the like of the carbon fiber when in use, so that the purpose of strengthening the properties is achieved.

After the carbon fiber composite material or the glass fiber composite material is produced from the pultrusion equipment, the carbon fiber composite material or the glass fiber composite material cannot be cut off and placed due to the long volume, and the composite material needs to be rolled before transportation for convenient transportation; in the related art, when the winding is carried out, the composite material is generally wound by the winding machine, however, in the winding process, the formed composite material is often loose due to insufficient tension, so that a stable winding package is difficult to form, or the formed winding package is difficult to take off from the winding machine due to overlarge tension, so that the winding quality and the winding efficiency are affected.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a straining device and dull and stereotyped rolling machine, guarantees rolling quality and rolling efficiency.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a tensioning mechanism comprising: the main shaft is sleeved with the assembly component and the guide component;

the assembly component comprises a rotating seat and a mounting sleeve, wherein the rotating seat comprises four branches uniformly arranged around the center, and the mounting sleeve is arranged at the end part of each branch far away from the center;

the guide assembly comprises a tensioning support, a first guide plate, a second guide plate, a guide rod and a driving part, wherein the first guide plate and the second guide plate are arranged in parallel with the rotating seat and are respectively positioned at two sides of the tensioning support, the guide rod penetrates through the tensioning support, two ends of the guide rod are respectively connected with the first guide plate and the second guide plate, the driving part is fixed on the second guide plate, and an output end of the driving part is connected with the tensioning support;

the assembly component is connected with the guide component through the connection component, the connection component comprises a mounting seat, a rotating rod and a connecting rod, the mounting seat is sleeved on the main shaft and positioned between the first guide plate and the rotating seat, one side of the mounting sleeve is provided with the rotating seat, the connecting rod is in sliding connection with the mounting sleeve, and two ends of the rotating rod are respectively connected with the connecting rod and the rotating seat in a rotating mode.

Further, one end of the connecting rod, which is away from the rotating rod, is connected with a linear flange, and one end of the linear flange, which is away from the rotating rod, penetrates through the mounting sleeve and is in sliding connection with the mounting sleeve.

Further, the mount pad includes first pedestal and second pedestal, first pedestal with the coaxial setting of second pedestal all cup joints on the main shaft, first pedestal axial side is equipped with the mounting panel, the mounting panel with first deflector fixed connection, it is in to rotate the seat fixed setting on the axial side of second pedestal.

Further, the end part of the main shaft is connected with a flange plate, and the flange plate is abutted to the rotating seat.

Further, one end of the main shaft, which is away from the flange plate, is connected with an electro-pneumatic slip ring, a connecting sleeve and a positioning frame, the connecting sleeve and the electro-pneumatic slip ring are sequentially sleeved at the end part of the main shaft and positioned between the second guide plate and the tensioning support, and two ends of the positioning frame are connected with the electro-pneumatic slip ring and the tensioning support.

Further, the driving part is of a piston structure, a through guide hole is formed in one side, opposite to the driving part, of the tensioning support, one end, away from the driving part, of the guide hole is connected with a guide frame, and the end portion of a piston rod of the driving part penetrates through the guide hole and is fixedly connected with the guide frame on the other side.

The utility model also provides a flat plate winding machine, which comprises the tensioning mechanism, wherein each branch end part is provided with a winding assembly, the winding assembly comprises a winding bracket, a fixed baffle and a movable baffle, the bracket is fixedly connected with one end of the connecting assembly, which is far away from the main shaft, the fixed baffle is fixedly connected with the winding bracket, and the movable baffle is rotatably connected with the winding bracket through a hinge and is respectively positioned at two sides of the winding bracket.

Further, the winding assembly further comprises an air cylinder, a bulkhead and a winding seat, wherein the winding bracket is hollow, the bulkhead is arranged in the winding bracket, one side of the bulkhead, which faces the fixed baffle, is provided with an assembly hole, the air cylinder is arranged in the bulkhead through the assembly hole, the winding seat is fixed on one side of the movable baffle, which faces the fixed baffle, and the air cylinder is connected with the winding seat in a rotating mode.

Further, any one group of winding components are connected with clamping components, and the clamping components are fixed at one end of the winding bracket and face the space between the movable baffle and the fixed baffle.

Further, the clamping assembly comprises a first clamping block, a second clamping block and a fixing piece, wherein the first clamping block is fixed at the end part of the winding bracket and is obliquely arranged with the winding bracket, the second clamping block is rotationally connected with the first clamping block, and the fixing piece is arranged on the second clamping block and is detachably connected with the first clamping block.

The beneficial effects of the utility model are as follows: according to the utility model, the connecting assembly is arranged to connect the assembly and the guide assembly, and the first guide plate and the second guide plate move relative to the tensioning bracket under the driving action of the driving part, so that the installation seat synchronously drives the rotating rod to rotate and the connecting rod to slide, thereby realizing the tensioning action, ensuring the continuous and stable tensioning force under the supporting action of the first guide plate and the installation seat, avoiding the condition of overlarge or overlarge tensioning force, and further ensuring the rolling quality and the rolling efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic diagram of a tensioning mechanism according to an embodiment of the present utility model;

FIG. 2 is a front view of a tensioning mechanism according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

FIG. 4 is a schematic illustration of the variation at A in FIG. 3 when the tensioning mechanism is in operation;

FIG. 5 is a schematic illustration of the variation at B in FIG. 3 when the tensioning mechanism is in operation;

FIG. 6 is a schematic illustration of the variation at C in FIG. 3 when the tensioning mechanism is in operation;

FIG. 7 is a schematic diagram of a flat-plate winder according to an embodiment of the present utility model;

FIG. 8 is an enlarged view of FIG. 7 at D;

FIG. 9 is a schematic diagram of a winding assembly according to an embodiment of the present utility model;

FIG. 10 is a cross-sectional view at B-B in FIG. 9;

FIG. 11 is a schematic diagram illustrating operation of the flat-panel winder in an embodiment of the present utility model.

Reference numerals: 1. a main shaft; 11. a flange plate; 12. a gas-electric slip ring; 13. connecting sleeves; 14. a positioning frame; 2. assembling the assembly; 21. a rotating seat; 22. a mounting sleeve; 3. a guide assembly; 31. tensioning a bracket; 31a, a guide hole; 31b, a guide frame; 32. a first guide plate; 33. a second guide plate; 34. a guide rod; 35. a driving section; 4. a connection assembly; 41. a mounting base; 41a, a first seat body; 41b, a second seat body; 41c, a mounting plate; 42. a rotating seat; 43. a rotating lever; 44. a connecting rod; 45. a straight flange; 5. a winding assembly; 51. winding a bracket; 52. a fixed baffle; 53. a movable baffle; 54. a cylinder; 55. a spacer frame; 56. a rolling seat; 6. a clamping assembly; 61. a first clamping block; 62. a second clamping block; 63. and a fixing piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The tensioning mechanism as shown in fig. 1 to 6 comprises: a main shaft 1, an assembly component 2 and a guide component 3 sleeved on the main shaft 1;

the assembly component 2 comprises a rotating seat 21 and a mounting sleeve 22, wherein the rotating seat 21 comprises four branches uniformly arranged around the center, and the mounting sleeve 22 is arranged at the end part of each branch far away from the center;

the guide assembly 3 comprises a tensioning bracket 31, a first guide plate 32, a second guide plate 33, a guide rod 34 and a driving part 35, wherein the first guide plate 32 and the second guide plate 33 are respectively arranged in parallel with the rotating seat 21 and are respectively positioned at two sides of the tensioning bracket 31, the guide rod 34 passes through the tensioning bracket 31, two ends of the guide rod 34 are respectively connected with the first guide plate 32 and the second guide plate 33, the driving part 35 is fixed on the second guide plate 33, and the output end of the guide rod is connected with the tensioning bracket 31;

wherein, assembly subassembly 2 and direction subassembly 3 are connected through coupling assembling 4, coupling assembling 4 includes mount pad 41, rotation seat 42, dwang 43 and connecting rod 44, and mount pad 41 cup joints on main shaft 1, is located between first deflector 32 and the roating seat 21, and all installs a rotation seat 42 towards one side of installation cover 22, and connecting rod 44 and installation cover 22 sliding connection, and the both ends of dwang 43 are connected with connecting rod 44 and rotation seat 42 rotation respectively.

According to the utility model, the connecting assembly 4 is arranged to connect the assembly 2 and the guide assembly 3, and the first guide plate 32 and the second guide plate 33 move relative to the tensioning bracket 31 under the driving action of the driving part 35, so that the mounting seat 41 synchronously drives the rotating rod 43 to rotate and the connecting rod 44 to slide, thereby realizing the tensioning action, and under the supporting action of the first guide plate 32 and the mounting seat 41, the continuous stable tensioning force can be ensured, the condition of overlarge or overlarge tensioning force is avoided, and the rolling quality and the rolling efficiency are ensured.

On the basis of the embodiment, one end of the connecting rod 44, which is away from the rotating rod 43, is connected with a linear flange 45, and one end of the linear flange 45, which is away from the rotating rod 43, penetrates through the mounting sleeve 22 and is in sliding connection with the mounting sleeve 22; through setting up sharp flange 45 at the tip of connecting rod 44, prevent that connecting rod 44 from deviating from installation cover 22 in the slip process, guarantee the motion track, frictional force and noise when reducing the slip simultaneously also are convenient for the additional connection of other structures.

On the basis of the above embodiment, the mounting seat 41 includes a first seat body 41a and a second seat body 41b, the first seat body 41a and the second seat body 41b are coaxially arranged and are both sleeved on the spindle 1, the axial side surface of the first seat body 41a is provided with a mounting plate 41c, the mounting plate 41c is fixedly connected with the first guide plate 32, and the rotating seat 42 is fixedly arranged on the axial side surface of the second seat body 41 b; the coaxial arrangement of the first and second housings 41a and 41b also makes the structure of the tensioning mechanism more compact and convenient for installation and maintenance; the first seat 41a is fixedly connected with the first guide plate 32 so as to ensure the stability of the tensioning mechanism; meanwhile, the rotation seat 42 is provided on the shaft side surface of the second seat body 41b, and can be disposed opposite to the mounting sleeve 22 at the time of tensioning, thereby ensuring the stability of the tensioning force.

On the basis of the embodiment, the end part of the main shaft 1 is connected with a flange plate 11, and the flange plate 11 is abutted against the rotating seat 21; the flange 11 serves to support and secure the assembly 2 so that the entire tensioning mechanism can operate more firmly and stably.

On the basis of the embodiment, one end of the main shaft 1, which is far away from the flange plate 11, is connected with the gas-electric slip ring 12, the connecting sleeve 13 and the positioning frame 14, the connecting sleeve 13 and the gas-electric slip ring 12 are sequentially sleeved at the end part of the main shaft 1 and positioned between the second guide plate 33 and the tensioning bracket 31, and two ends of the positioning frame 14 are connected with the gas-electric slip ring 12 and the tensioning bracket 31; the connecting sleeve 13 is a graphite copper sleeve and has the characteristic of oil-free self-lubrication, so that the copper sleeve seat has smaller resistance in the rotating process and is convenient to move; by adopting the gas-electric slip ring 12 to connect the main shaft 1 and the connecting sleeve 13, the tensioning mechanism can be ensured to smoothly rotate and transmit related signals and power, and meanwhile, the fault caused by the twisting of the connecting wire harness is avoided; the positioning frame 14 keeps the position between the electro-pneumatic slip ring 12 and the tensioning bracket 31 unchanged, so that the stable and reliable structure of the whole tensioning mechanism is ensured, and the precision and reliability of mechanical transmission are ensured.

On the basis of the above embodiment, the driving part 35 has a piston structure, one side of the tensioning bracket 31 opposite to the driving part 35 is provided with a through guide hole 31a, one end of the guide hole 31a, which is away from the driving part 35, is connected with a guide frame 31b, and the end part of a piston rod of the driving part 35 passes through the guide hole 31a and is fixedly connected with the guide frame 31b on the other side; by adding the guide frame 31b, the driving part 35 can drive the first guide plate 32 and the second guide plate 33 to move along the direction of the guide rod 34 and the guide hole 31a, and maintain a stable movement track, thereby avoiding uneven tensioning or failure caused by offset.

The working process of the tensioning mechanism in the utility model is as follows: the tensioning bracket 31 is fixed in position, and in a working state, the piston of the driving part 35 is retracted, so that the second guide plate 33 is close to the tensioning bracket 31, under the connecting action of the guide rod 34 and the first guide plate 32, the first guide plate 32 drives the mounting seat 41 to synchronously move away from the tensioning bracket 31 and towards the rotating seat 21, the rotating rod 43 rotates along with the mounting seat 31, and the connecting rod 44 is synchronously driven to slide and eject along the mounting sleeve 22, so that the tensioning effect is realized; when the switch is in the non-working state, the piston of the driving part 35 extends out, so that the first guide plate 32 is close to the tensioning bracket 31 and the second guide plate 33 is far away from the tensioning bracket 31; under the connection action, the mounting seat 41 is synchronously away from the rotating seat 21, so that the rotating rod 43 reversely rotates to drive the connecting rod 44 to slide along the mounting sleeve 22 to retract, and the non-tensioning state is switched.

As shown in fig. 7 to 11, the present utility model further provides a flat plate winding machine, which comprises the tensioning mechanism, wherein each branch end is provided with a winding component 5, and the winding component comprises a winding bracket 51, a fixed baffle plate 52 and a movable baffle plate 53, wherein the bracket is fixedly connected with one end of the connecting component 4, which is far away from the main shaft 1, the fixed baffle plate 52 is fixedly connected with the winding bracket 51, and the movable baffle plate 53 is rotatably connected with the winding bracket 51 through a hinge and is respectively positioned at two sides of the winding bracket 51; the winding assembly 5 is capable of effectively holding and supporting the winding material, and the control and adjustment of the winding material is achieved by movement of the movable shutter 53. Meanwhile, the combination of the fixed shutter 52 and the movable shutter 53 can better fix and protect the wound material and avoid adverse effects due to deviation of the material.

On the basis of the embodiment, the winding assembly 5 further comprises an air cylinder 54, a bulkhead 55 and a winding seat 56, the winding bracket 51 is arranged in a hollow manner, the bulkhead 55 is arranged in the winding bracket 51, an assembly hole is formed in one side of the bulkhead 55 facing the fixed baffle plate 52, the air cylinder 54 is arranged in the bulkhead 55 through the assembly hole, the winding seat 56 is fixed on one side of the movable baffle plate 53 facing the fixed baffle plate 52, and the air cylinder 54 is rotationally connected with the winding seat 56; the air cylinder 54 can keep stable positions and directions through the assembly holes and the partition frame 55, and when the composite material is rolled, the rolling seat 56 is driven to rotate through the air cylinder 54, and the movable baffle 53 is driven to rotate to a vertical plane, so that the composite material can be limited; when the composite material coiled bag needs to be taken out, the air cylinder 54 drives the coiling seat 56 to reversely rotate to drive the movable baffle plate 53 to rotate, and meanwhile, the tensioning mechanism is switched to a non-tensioning state, so that the composite material coiled bag can be quickly taken out, a large amount of time is saved, and the working efficiency is improved.

On the basis of the above embodiment, any one group of winding assemblies 5 is connected with a clamping assembly 6, and the clamping assembly 6 is fixed at one end of the winding bracket 51 and is arranged towards the space between the movable baffle 53 and the fixed baffle 52; before winding, the clamping assembly 6 is used for fixing the end part of the winding material, so that the problem caused by material sliding or deviation in the winding process is effectively avoided; thereby further enhancing the control and stability of the tensioning mechanism, thereby improving the precision and efficiency of the whole winding machine.

On the basis of the embodiment, the clamping assembly 6 comprises a first clamping block 61, a second clamping block 62 and a fixing piece 63, wherein the first clamping block 61 is fixed at the end part of the winding bracket 51 and is obliquely arranged with the winding bracket 51, the second clamping block 62 is rotatably connected with the first clamping block 61, and the fixing piece 63 is arranged on the second clamping block 62 and is detachably connected with the first clamping block 61; the end part of the rolling material is placed on the first clamping block 61, the end part of the rolling material is clamped by rotating the second clamping block 62, and the first clamping block 61 and the second clamping block 62 are fixedly connected under the action of the fixing piece 63, so that the end part of the rolling material is fixed, and the rolling material is prevented from falling off in the winding process.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A tensioning mechanism, comprising: the main shaft is sleeved with the assembly component and the guide component;

2. The tensioning mechanism of claim 1, wherein an end of the connecting rod facing away from the rotating rod is connected to a linear flange, and an end of the linear flange facing away from the rotating rod passes through the mounting sleeve and is slidably connected to the mounting sleeve.

3. The tensioning mechanism according to claim 1, wherein the mounting base comprises a first base body and a second base body, the first base body and the second base body are coaxially arranged and are sleeved on the main shaft, a mounting plate is arranged on the shaft side face of the first base body and fixedly connected with the first guide plate, and the rotating base is fixedly arranged on the shaft side face of the second base body.

4. The tensioning mechanism of claim 1, wherein a flange is connected to the end of the spindle, the flange being in abutment with the swivel mount.

5. The tensioning mechanism according to claim 4, wherein one end of the main shaft, which is away from the flange plate, is connected with an electro-pneumatic slip ring, a connecting sleeve and a positioning frame, the connecting sleeve and the electro-pneumatic slip ring are sequentially sleeved at the end part of the main shaft and are positioned between the second guide plate and the tensioning support, and two ends of the positioning frame are connected with the electro-pneumatic slip ring and the tensioning support.

6. The tensioning mechanism according to claim 1, wherein the driving portion is of a piston structure, a through guide hole is formed in one side, opposite to the driving portion, of the tensioning support, one end, away from the driving portion, of the guide hole is connected with a guide frame, and the end portion of a piston rod of the driving portion penetrates through the guide hole and is fixedly connected with the guide frame on the other side.

7. The flat plate winding machine comprises a tensioning mechanism as claimed in any one of claims 1-6, wherein each branch end is provided with a winding assembly, each winding assembly comprises a winding bracket, a fixed baffle and a movable baffle, the brackets are fixedly connected with one ends of the connecting assemblies, which deviate from the main shaft, the fixed baffle is fixedly connected with the winding brackets, and the movable baffle is rotatably connected with the winding brackets through hinges and is respectively positioned on two sides of the winding brackets.

8. The flat plate winding machine according to claim 7, wherein the winding assembly further comprises an air cylinder, a partition frame and a winding seat, the winding bracket is arranged in a hollow mode, the partition frame is arranged in the winding bracket, an assembly hole is formed in one side of the partition frame, which faces the fixed baffle, the air cylinder is arranged in the partition frame through the assembly hole, the winding seat is fixed on one side of the movable baffle, which faces the fixed baffle, and the air cylinder is connected with the winding seat in a rotating mode.

9. The flat plate winding machine according to claim 7, wherein any one of the winding assemblies is connected with a clamping assembly, and the clamping assembly is fixed at one end of the winding bracket and is disposed toward a space between the movable baffle and the fixed baffle.

10. The flat plate winding machine according to claim 9, wherein the clamping assembly comprises a first clamping block, a second clamping block and a fixing piece, the first clamping block is fixed at the end part of the winding bracket and is obliquely arranged with the winding bracket, the second clamping block is rotatably connected with the first clamping block, and the fixing piece is arranged on the second clamping block and is detachably connected with the first clamping block.