CN220720027U

CN220720027U - Material clamping device

Info

Publication number: CN220720027U
Application number: CN202322458932.8U
Authority: CN
Inventors: 彭武毅; 彭东欣; 涂鹏昌; 江艺璘; 何周彬; 郑志君
Original assignee: Zhangzhou Lanqiya Intelligent Equipment Co ltd
Current assignee: Zhangzhou Lanqiya Intelligent Equipment Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-05
Anticipated expiration: 2033-09-11

Abstract

The application relates to a clamping device, be the mounting box body that the opening set up including one side, the mounting box body is provided with the grip slipper, the grip slipper is provided with external clamp of mounting box body and gets the subassembly, presss from both sides to get the subassembly and get the piece including articulated in the grip slipper in order to press from both sides first clamp of getting the operation and the piece is got to the second clamp, the mounting box body is provided with the drive mechanism that the piece was got to the first clamp of drive and the piece was got to the second clamp and open and shut. When the demolding operation is needed to be carried out on the vulcanized rubber product, the driving mechanism drives the free ends of the first clamping piece and the second clamping piece to open and close so as to clamp the rubber product which is heavy in weight or complex in shape and difficult to be demolded by blowing, and the demolding operation is carried out, so that the demolding and discharging success rate of the rubber product is improved.

Description

Material clamping device

Technical Field

The application relates to the technical field of mechanical equipment, in particular to a clamping device.

Background

When the rubber is vulcanized by peroxide, the peroxide decomposition initiates the reaction of the high polymer, and then low molecular compounds (such as benzene, benzoic acid and the like) are generated and exist in the rubber to influence the mechanical properties of the rubber.

The rubber is vulcanized through the vulcanizing machine, the vulcanizing machine is provided with an upper die and a lower die, before vulcanization, the lower die moves out of the vulcanizing machine, the rubber is placed into an inner cavity of the lower die, the lower die slides into a vulcanizing cavity of the vulcanizing machine, the upper die descends to be attached to the lower die, the rubber is vulcanized, after vulcanization, the upper die ascends to leave the lower die, and after the lower die slides out of the vulcanizing machine, the rubber product on the lower die is required to be demolded.

At present, demolding is usually realized by adopting an air blowing mode in rubber demolding operation, but when the vulcanized rubber product has heavy weight or the shape of the rubber product is complex and other working conditions, the workpiece is difficult to blow out from the mold by adopting the air blowing mode, so that the demolding success rate of the rubber product is low, and further improvement is needed.

Disclosure of Invention

In order to improve the demolding and discharging success rate of rubber products, the application provides a clamping device.

The application provides a clamping device adopts following technical scheme:

the utility model provides a clamping device, is the mounting box body that the opening set up including one side, the mounting box body is provided with the grip slipper, the grip slipper is provided with external clamping component that gets in the mounting box body, and clamping component is got the piece and is got the piece with the second clamp including articulated in the grip slipper in order to press from both sides the first clamp of getting the operation to rubber products, the mounting box body is provided with the drive mechanism that the piece and the second clamp of driving got the piece and open and shut.

Through adopting above-mentioned technical scheme, when need carrying out the drawing of patterns operation to the rubber goods after vulcanizing, the free end that gets the piece is got to first clamp and second clamp through actuating mechanism drive opens and shuts in order to press from both sides the great or complicated rubber goods of shape of weight on the lower mould and get the drawing of patterns operation, improves the drawing of patterns ejection of compact success rate of rubber goods.

Preferably, the clamping assembly is provided with a plurality of groups.

Through adopting above-mentioned technical scheme, press from both sides and get the subassembly and set up the multiunit, the multiunit presss from both sides and gets the drawing of patterns to the rubber products's on the same mould different positions simultaneously, makes the rubber products more balanced, even atress when being pressed from both sides and gets, further improves the drawing of patterns success rate of rubber products.

Preferably, the clamping seat is provided with a mounting shaft, the first clamping piece and the second clamping piece are arranged in a staggered and overlapped mode, and the end portions of the first clamping piece and the second clamping piece are rotationally sleeved on the mounting shaft.

Through adopting above-mentioned technical scheme, first clamp get piece and second clamp get the piece rotate install in same root installation axle, effectively simplify mounting structure.

Preferably, the first clamping piece and the second clamping piece are both provided with a clamping part and a connecting rod part fixedly connected with the clamping part, the driving mechanism comprises a first driving piece, a second driving piece, a transmission shaft and a transmission assembly, one end of the first driving piece is hinged to the first driving piece, one end of the second driving piece is hinged to the connecting rod part of the second clamping piece, the transmission shaft is rotatably arranged at the other end of the first driving piece and the other end of the second driving piece in a penetrating mode, the transmission shaft is driven to slide towards a direction close to or far away from the installation shaft, and the connecting rod part of the first clamping piece, the connecting rod part of the second clamping piece, the first driving piece and the second driving piece form a four-bar structure.

Through adopting above-mentioned technical scheme, when drive assembly drive transmission shaft slides towards being close to or keeping away from the installation axle direction, through the connecting rod portion that gets the piece by first clamp, the connecting rod portion that the piece was got to the second clamp, first transmission piece and second transmission piece form four pole structure synchronous drive first clamp get the piece/the second clamp get the clamping part of piece rotate to realize that the clamping part that piece was got to first clamp and second clamp get the piece opens and shuts.

Preferably, the transmission assembly comprises a movable groove body which is connected to the clamping seat in a sliding manner along the direction close to or far away from the installation shaft and a power part for driving the movable groove body to slide, and the transmission shaft is arranged on the movable groove body.

Through adopting above-mentioned technical scheme, drive movable cell body through power component and slide to drive the transmission shaft and slide towards being close to or keeping away from the installation axle direction.

Preferably, the power component comprises a cylinder arranged on the mounting box body, a sliding block fixedly connected with a piston rod of the cylinder, a touch block fixedly connected with the movable groove body and abutted against the sliding block, and an elastic piece arranged between the mounting box body and the movable groove body, the piston rod of the cylinder is axially perpendicular to the sliding direction of the movable groove body, the touch block is provided with a guide wedge surface for the sliding block to abut against so as to force the touch block to slide towards the direction close to the mounting shaft, and the elastic piece normally forces the movable groove body to slide towards the direction far away from the mounting shaft.

By adopting the technical scheme, when the piston rod of the air cylinder stretches to drive the sliding block to slide towards the direction close to the touch block, in the sliding process of the sliding block, the sliding block is abutted against the guide wedge surface on the touch block so as to force the touch block to slide towards the direction close to the installation shaft, and further the movable groove body drives the transmission shaft to slide towards the direction close to the installation shaft, at the moment, the elastic piece is elastically deformed and has elastic potential energy, the thrust of the air cylinder is greater than the elastic force of the elastic piece, and further the first clamping piece and the second clamping piece are used for clamping rubber products; when the piston rod of the air cylinder contracts to drive the sliding block to slide and reset, the elastic piece drives the movable groove body to slide and reset towards the direction away from the installation shaft, and the first clamping piece and the second clamping piece are easier to open and separate, so that the rubber product is loosened.

Preferably, the clamping seat is connected to the mounting box body in a sliding manner along the vertical direction, a lifting rod is arranged on the side wall of the sliding block, a lifting block located below the touch block is fixedly connected to the side wall of the clamping seat, a first horizontal section, a slope section and a second horizontal section are arranged on the lower end face of the lifting block, the first horizontal section is abutted to the upper peripheral wall of the lifting rod, the slope section is smoothly connected to the first horizontal section, the second horizontal section is smoothly connected to the slope section, and the first horizontal section is located above the second horizontal section.

Through the technical scheme, when the sliding block is abutted against the guide wedge surface on the touch block, the lifting rod is abutted against the first horizontal section of the lifting block, the first clamping claw and the second clamping claw clamp the rubber product, the height position of the clamping seat is unchanged, when the piston rod of the air cylinder continues to extend and push the sliding block to move forwards, the sliding block is separated from the guide wedge surface and slides along the straight outer side wall of the touch block, in the process, the lifting rod is abutted against the second horizontal section after passing through the slope section from the first horizontal section on the lifting block, the lifting block is lifted up, so that the clamping seat is lifted up to a certain height, and the clamping assembly is integrally moved upwards, so that the clamped rubber product is separated from the die; the power element is adopted to realize the integral lifting of the Zhang Geyi and clamping seat of the first clamping claw and the second clamping claw, and realize the actions of clamping, loosening and lifting of the whole clamping device, so that the device has a simple integral structure and powerful functions, and greatly reduces the failure rate of the device.

Preferably, the sliding block is rotatably connected with a roller which is abutted against the guide wedge surface of the touch block.

By adopting the technical scheme, the roller is additionally arranged, sliding friction is changed into rolling friction, and the friction force between the sliding block and the touch block is effectively reduced.

Preferably, the elastic piece is an extension spring, one end of the extension spring is fixedly connected with the installation box body, and the other end of the extension spring is fixedly connected with the movable groove body.

By adopting the technical scheme, the extension spring has the characteristics of good elastic recovery performance and convenience in purchase and installation, and the power-assisted movable groove body retreats in the piston rod retreating stage of the cylinder, so that the first clamping piece and the second clamping piece are easier to separate, and the rubber product is loosened.

In summary, the utility model has the following beneficial effects:

1. when demolding operation is required to be carried out on the vulcanized rubber product, the driving mechanism drives the free ends of the first clamping piece and the second clamping piece to open and close so as to clamp and demold the rubber product with larger weight on the lower die, thereby improving the demolding and discharging success rate of the rubber product;

2. when the transmission assembly drives the transmission shaft to slide towards the direction close to or far from the installation shaft, the first clamping piece/the second clamping piece are synchronously driven to rotate through a four-bar structure formed by the connecting rod part of the first clamping piece, the connecting rod part of the second clamping piece, the first transmission piece and the second transmission piece, so that the clamping parts of the first clamping piece and the second clamping piece are opened and closed;

3. the power element is adopted to realize the integral lifting of the Zhang Geyi and clamping seat of the first clamping claw and the second clamping claw, and realize the actions of clamping, loosening and lifting of the whole clamping device, so that the device has a simple integral structure and powerful functions, and greatly reduces the failure rate of the device.

Drawings

FIG. 1 is a schematic view of the overall structure of a clamping device;

FIG. 2 is a bottom view of a nip;

FIG. 3 is a schematic view of the connection structure of the first and second clamping tabs with the mounting shaft;

FIG. 4 is a schematic view of the mounting shaft and drive mechanism;

FIG. 5 is a schematic structural view of a power component;

FIG. 6 is a schematic view of the structure of the slider;

FIG. 7 is a schematic view of the structure of the lifting lever and lifting block;

fig. 8 is a schematic structural view of the lifting block.

In the figure, 1, a box body is installed; 11. a bottom box; 12. a top cover; 2. a clamping seat; 21. a chute; 22. an avoidance groove; 23. a lifting block; 231. a first horizontal segment; 232. a ramp section; 233. a second horizontal segment; 3. a clamping assembly; 31. a first gripping sheet; 32. a second clamping piece; 4. a mounting shaft; 41. anti-slip ring; 42. limiting snap springs; 43. a connecting column; 44. a cushion cover; 45. locking a bolt; 5. a driving mechanism; 53. a first transmission plate; 54. a second transmission plate; 55. a transmission shaft; 56. a transmission assembly; 561. a movable tank body; 562. a power component; 5621. a cylinder; 5622. a slide block; 5623. a touch block; 5624. a tension spring; 5625. a guide wedge surface; 5626. a roller; 5627. a lifting rod; 5628. a shaft sleeve; 57. a first hinge shaft; 58. and a second hinge shaft.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses clamping device, refer to fig. 1, be the mounting box body 1 that the opening set up including one side, mounting box body 1 includes end box 11 and can dismantle the top cap 12 of connecting in end box 11 upper portion, in this embodiment, top cap 12 passes through the bolt lock and is in end box 11.

The inside wall of end box 11 slides along vertical and is connected with grip slipper 2, specifically, grip slipper 2 slides through the cooperation mode of guide rail slide and is connected in end box 11, and the length direction of grip slipper 2 is parallel with the length direction of end box 11, and grip slipper 2 part exposes in installation box body 1, and grip slipper 2 is provided with the clamp of external in installation box body 1 and gets subassembly 3, and clamp subassembly 3 is provided with multiunit and the length direction distribution of grip slipper 2, and in this embodiment, clamp and get subassembly 3 is provided with three groups. Each group of clamping components 3 comprises a first clamping piece 31 and a second clamping piece 32 hinged to the clamping seat 2 for clamping the rubber product, and the first clamping piece 31 and the second clamping piece 32 are positioned below the clamping seat 2 and the bottom box 11. The first clamping piece 31 and the second clamping piece 32 are respectively provided with a clamping part and a connecting rod part fixedly connected to the clamping parts, and the clamping parts of the first clamping piece 31 and the second clamping piece 32 are respectively arranged in a saw-tooth shape with the clamping surfaces of the rubber product in abutting connection.

Referring to fig. 2 and 3, the clamping seat 2 is provided with three mounting shafts 4, the three mounting shafts 4 are correspondingly arranged, and the axial direction of the mounting shafts 4 is vertically arranged. The coaxial fixedly connected with anticreep ring 41 of lower extreme of installation axle 4, the first piece of getting 31 and the second clamp get the middle part of piece 32 and rotate the cover respectively and locate same installation axle 4, and first clamp gets piece 31 and the second clamp get the piece 32 and be the overlapping setting, and installation axle 4 card is equipped with and is located first clamp and gets piece 31, the second clamp gets the spacing jump ring 42 of piece 32 top.

Referring to fig. 2 and 4, in order to adjust the position of the gripping assembly 3, the clamping seat 2 is provided with a sliding groove 21 extending along the length direction in a penetrating manner, a connecting post 43 penetrating through the sliding groove 21 is coaxially and fixedly connected to the upper end surface of the mounting shaft 4, the diameter of the mounting shaft 4 is larger than that of the connecting post 43, and the upper end surface of the mounting shaft 4 is abutted against the lower end surface of the clamping seat 2. The upper portion cover of spliced pole 43 is equipped with pad cover 44, and the lower terminal surface butt in the up end of grip slipper 2 of pad cover 44, and the upper portion threaded connection of spliced pole 43 has locking bolt 45, and locking bolt 45's nut is tightly supported in the up end of pad cover 44, and the spliced pole 43 is slided in spout 21 through damping mode restriction, when need adjusting installation axle 4 position, can carry out the slip adjustment to installation axle 4 through unscrewing locking bolt 45.

Referring to fig. 3, 4 and 5, the base case 11 is provided with a driving mechanism 5 for driving the clamping portions of the first and second clamping pieces 31 and 32 to open and close simultaneously, and the driving mechanism 5 includes a first transmission piece 53 having one end hinged to the link portion of the first clamping piece 31 by a first hinge shaft 57, a second transmission piece 54 having one end hinged to the link portion of the second clamping piece 32 by a second hinge shaft 58, a transmission shaft 55 rotatably penetrating the other end of the first transmission piece 53 and the other end of the second transmission piece 54, and a transmission assembly 56 for driving the transmission shaft 55 to slide in a direction approaching or separating from the mounting shaft 4. Specifically, the mounting shaft 4 and the transmission shaft 55 are distributed along the width direction of the bottom case 11, the first hinge shaft 57 and the second hinge shaft 58 are respectively located at both sides of the connecting line of the shaft center of the mounting shaft 4 and the shaft center of the transmission shaft 55, and the connecting line of the shaft center of the first hinge shaft 57 and the shaft center of the second hinge shaft 58 is perpendicular to the connecting line of the shaft center of the mounting shaft 4 and the shaft center of the transmission shaft 55, and the connecting rod portion of the first gripping sheet 31, the connecting rod portion of the second gripping sheet 32, the first transmission sheet 53 and the second transmission sheet 54 form a four-bar structure.

The transmission assembly 56 includes a movable housing 561 slidably coupled to the holder 2 in a direction approaching or moving away from the mounting shaft 4, and a power member 562 for driving the movable housing 561 to slide. Specifically, the movable groove body 561 slides and connects in the clamping seat 2 through the cooperation of the guide rail sliding seat, the transmission shaft 55 slides and connects in the movable groove body 561 along the length direction of the clamping seat 2, the avoiding groove 22 for the installation seat to pass through is provided in the clamping seat 2, the installation mode of the transmission shaft 55 and the movable groove body 561 is the same as the installation mode of the installation shaft 4 and the clamping seat 2, and details are omitted here.

Referring to fig. 5 and 6, the power unit 562 includes a cylinder 5621 fixedly connected to an inner wall of the bottom case 11, a slider 5622 fixedly connected to an end of a piston rod of the cylinder 5621, a touch block 5623 fixedly connected to a side wall of the movable groove 561 and abutting against the slider 5622, and an elastic member provided between the mounting case 1 and the movable groove 561. The piston rod of the cylinder 5621 is axially parallel to the length direction of the bottom box 11, the front section of the outer side wall of the touch block 5623 is provided with a guide wedge surface 5625 for the sliding block 5622 to abut so as to force the touch block 5623 to slide towards the direction close to the mounting shaft 4, the front section of the outer side wall of the touch block 5623 is an inclined section, the rear section of the outer side wall of the touch block 5623 is a straight section, the sliding block 5622 is rotationally connected with a roller 5626 abutting against the outer side wall of the touch block 5623, the outer side wall of the straight section of the touch block 5623 is provided with a mounting groove, and the mounting groove is rotationally connected with a shaft sleeve 5628 for the roller 5626 to abut against so as to further reduce friction force between the sliding block 5622 and the touch block 5623. The elastic member normally forces the movable groove body 561 to slide away from the direction of the mounting shaft 4, and a plurality of elastic members can be arranged, specifically, the elastic member is an extension spring 5624, one end of the extension spring 5624 is fixedly connected with the mounting box body 1, and the other end of the extension spring 5624 is fixedly connected with the movable groove body 561. In other embodiments, the sliding movement of the slide 5622 may also be achieved by a screw drive.

Referring to fig. 6, 7 and 8, further, a lifting rod 5627 is fixedly connected to an outer side wall of the slider 5622, a lifting block 23 located below the touch block 5623 is fixedly connected to a side wall of the clamping seat 2, the lifting rod 5627 abuts against a lower end face of the lifting block 23, a first horizontal section 231 is provided at a front end of the lower end face of the lifting block 23, a second horizontal section 233 is provided at a rear end of the lower end face of the lifting block 23, the first horizontal section 231 is located above the second horizontal section 233, and a slope section 232 is smoothly connected between the first horizontal section 231 and the second horizontal section 233.

The implementation principle of the clamping device in the embodiment of the application is as follows: in a normal state, a piston rod of the air cylinder 5621 is in a contracted state, the sliding block 5622 is positioned at one side of the touch block 5623, and the extension spring 5624 normally forces the movable groove 561 to slide away from the installation shaft 4, so that a four-bar structure is formed by the connecting rod part of the first clamping piece 31, the connecting rod part of the second clamping piece 32, the first transmission piece 53 and the second transmission piece 54 to drive the free ends of the first clamping piece 31 and the second clamping piece 32 to rotate and open in a mutually away direction;

when demolding operation is required to be performed on the vulcanized rubber product, the piston rod of the air cylinder 5621 stretches to drive the sliding block 5622 to slide towards the direction approaching the touch block 5623, in the sliding process of the sliding block 5622, the sliding block 5622 is abutted against the guide wedge surface 5625 on the touch block 5623 so as to force the touch block 5623 to slide towards the direction approaching the mounting shaft 4, the movable groove body 561 drives the transmission shaft 55 to slide towards the direction approaching the mounting shaft 4, a four-bar structure is formed by the connecting rod part of the first clamping piece 31, the connecting rod part of the second clamping piece 32, the first transmission piece 53 and the second transmission piece 54 to drive the clamping parts of the first clamping piece 31 and the second clamping piece 32 to rotate towards the direction approaching each other so as to clamp the rubber product, and at the moment, the lifting rod 5627 is abutted against the first horizontal section 231 of the lifting block 23, and the height position of the clamping seat 2 is unchanged; when the piston rod of the air cylinder 5621 continues to extend to push the sliding block 5622 to slide on the straight section of the touch block 5623, in the process, the lifting rod 5627 on the sliding block 5622 is abutted against the second horizontal section 233 from the first horizontal section 231 on the lifting block 23 after passing through the slope section 232, so that the lifting block 23 is lifted, the clamping seat 2 is lifted to a certain height, and the clamping assembly 3 is moved upwards integrally, so that the clamped rubber product is separated from the die.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A clamping device which is characterized in that: including one side is mounting box body (1) that the opening set up, mounting box body (1) is provided with grip slipper (2), grip slipper (2) are provided with external clamp of mounting box body (1) and get subassembly (3), and clamp and get subassembly (3) and get piece (31) and second clamp and get piece (32) including articulated in grip slipper (2) in order to press from both sides the first clamp of getting the operation to rubber products, mounting box body (1) are provided with drive first clamp and get piece (31) and second clamp and get actuating mechanism (5) that piece (32) opened and shut.

2. A clamping device as claimed in claim 1, characterized in that: the clamping component (3) is provided with a plurality of groups.

3. A clamping device as claimed in claim 1, characterized in that: the clamping seat (2) is provided with a mounting shaft (4), the first clamping piece (31) and the second clamping piece (32) are arranged in a staggered and overlapped mode, and the end portions of the first clamping piece (31) and the second clamping piece (32) are rotatably sleeved on the mounting shaft (4).

4. A clamping device as claimed in claim 3, characterized in that: the first clamping piece (31) and the second clamping piece (32) are respectively provided with a clamping part and a connecting rod part fixedly connected with the clamping part, the driving mechanism (5) comprises a first driving piece (53) with one end hinged to the connecting rod part of the first clamping piece (31), a second driving piece (54) with one end hinged to the connecting rod part of the second clamping piece (32), a transmission shaft (55) rotatably penetrating through the other end of the first driving piece (53) and the other end of the second driving piece (54) and a transmission assembly (56) for driving the transmission shaft (55) to slide towards a direction close to or far away from the mounting shaft (4), and the connecting rod part of the first clamping piece (31), the connecting rod part of the second clamping piece (32), the first driving piece (53) and the second driving piece (54) form a four-bar structure.

5. A clamping device as claimed in claim 4, wherein: the transmission assembly (56) comprises a movable groove body (561) which is connected to the clamping seat (2) in a sliding manner along the direction close to or far away from the mounting shaft (4) and a power component (562) which drives the movable groove body (561) to slide, and the transmission shaft (55) is arranged on the movable groove body (561).

6. A clamping device as claimed in claim 5, wherein: the power component (562) comprises an air cylinder (5621) arranged on the mounting box body (1), a sliding block (5622) fixedly connected with a piston rod of the air cylinder (5621), a touch block (5623) fixedly connected with the movable groove body (561) and abutted against the sliding block (5622), and an elastic piece arranged between the mounting box body (1) and the movable groove body (561), the axial direction of the piston rod of the air cylinder (5621) is perpendicular to the sliding direction of the movable groove body (561), the touch block (5623) is provided with a guide wedge surface (5625) for the sliding block (5622) to abut against to force the touch block (5623) to slide towards the direction close to the mounting shaft (4), and the elastic piece normally forces the movable groove body (561) to slide towards the direction far away from the mounting shaft (4).

7. The material clamping device as claimed in claim 6, wherein: the clamping seat (2) is connected to the mounting box body (1) in a sliding manner along the vertical direction, a lifting rod (5627) is arranged on the side wall of the sliding block (5622), a lifting block (23) located below the touch block (5623) is fixedly connected to the side wall of the clamping seat (2), a first horizontal section (231) abutting against the upper peripheral wall of the lifting rod (5627) is arranged on the lower end face of the lifting block (23), a slope section (232) of the first horizontal section (231) is smoothly connected, a second horizontal section (233) of the slope section (232) is smoothly connected, and the first horizontal section (231) is located above the second horizontal section (233).

8. The material clamping device as claimed in claim 6, wherein: the sliding block (5622) is rotatably connected with a roller (5626) which is abutted against a guide wedge surface (5625) of the touch block (5623).

9. The material clamping device as claimed in claim 6, wherein: the elastic piece is an extension spring (5624), one end of the extension spring (5624) is fixedly connected with the installation box body (1), and the other end of the extension spring (5624) is fixedly connected with the movable groove body (561).