CN211337763U

CN211337763U - Parallel clamping device

Info

Publication number: CN211337763U
Application number: CN201922278933.8U
Authority: CN
Inventors: 陆文益; 陆国凤; 陆茜
Original assignee: Zhangjiagang Tuo Sheng Machinery Technology Co ltd
Current assignee: Zhangjiagang Tuo Sheng Machinery Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-25
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a parallel clamping device for the relative both sides of synchronous clamp material and transported substance material, parallel clamping device include the frame, can be along the gliding two clamping unit, two racks that locate respectively on two clamping unit of locating the both sides of material direction of delivery in locating the frame that the direction that is close to or keeps away from each other, locate the gear between two racks, two racks can the complex mesh in the radial both sides of gear respectively. The parallel clamping device of the utility model is provided with two clamping units which are meshed with two radial sides of the same gear through two racks, so that the two clamping units can synchronously clamp two opposite sides of materials and convey the materials, and the materials move along a straight line all the time; and the device has simple structure and strong practicability.

Description

Parallel clamping device

Technical Field

The utility model relates to a field is carried to the material, concretely relates to parallel clamping device.

Background

When processing materials in the mechanical field, generally, conveying devices are required to be arranged at the front end and the rear end of the equipment for conveying the materials. Some devices, such as printers, paper stickers, thermal transfer printers, etc., have high requirements on the conveying direction of materials when conveying materials, and require the materials to be conveyed along a straight line all the time, otherwise, the processing effect may be affected, but the existing conveying device cannot well achieve the purpose.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing a parallel clamping device which can synchronously clamp two opposite sides of materials and convey the materials, so that the materials move along a straight line all the time; and the device has simple structure and strong practicability.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the parallel clamping device comprises a rack, two clamping units, two racks and a gear, wherein the two clamping units can be arranged on the rack in a sliding mode along the direction close to or away from each other and are positioned on two sides of the material conveying direction, the two clamping units are respectively connected to the racks on the two clamping units, the gear is arranged between the two racks, and the two racks can be meshed with the two radial sides of the gear in a matched mode.

Preferably, the rack may extend along a sliding direction of the clamping unit.

Preferably, the parallel clamping device further comprises a first screw rod which is arranged at the end of the rack and extends along the direction far away from the rack, and the first screw rod can be connected to the clamping unit in a matched mode.

Further preferably, the parallel clamping device further comprises a first connecting rod arranged between the first screw rod and the clamping unit, and the first screw rod can penetrate through the first connecting rod along the axial direction of the first screw rod.

Still further preferably, the clamping unit includes a second connecting rod connected to the end of the first connecting rod and extending along the material conveying direction, a third connecting rod connected to the second connecting rod and arranged in parallel with the second connecting rod, and a plurality of rollers disposed on the third connecting rod, and the rotation axes of the rollers extend along the vertical direction.

Still further preferably, the clamping unit further includes a second lead screw disposed between the second connecting rod and the third connecting rod, and the second lead screw can sequentially penetrate through the second connecting rod and the third connecting rod along an axial direction thereof.

Still further preferably, the parallel clamping device further comprises a sliding block arranged on the clamping unit, a wire rail is arranged on the rack, and the clamping unit is slidably arranged on the wire rail through the sliding block.

Still further preferably, the slider is provided on the second connecting rod.

Still further preferably, a sliding groove is formed in the sliding block, and the wire rail can be clamped and embedded in the sliding groove in a matched mode.

Preferably, the parallel clamping device further comprises an air cylinder arranged on the frame and used for driving the clamping unit to slide.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the parallel clamping device of the utility model is provided with two clamping units which are meshed with two radial sides of the same gear through two racks, so that the two clamping units can synchronously clamp two opposite sides of materials and convey the materials, and the materials move along a straight line all the time; and the device has simple structure and strong practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view B-B of FIG. 1.

Wherein: 1. a frame; 2. a clamping unit; 21. a second connecting rod; 22. a third connecting rod; 23. a roller; 24. a second lead screw; 3. a rack; 4. a gear; 5. a first lead screw; 6. a first connecting rod; 7. a slider; 71. a chute; 8. a wire track; 9. a drive mechanism; 10. a guide mechanism; 11. a signal switch;

100. and (3) feeding.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model relates to a parallel clamping device, the device are used for the tight material of synchronous clamp and carry the material, and the power of carrying the material is the drive mechanism of front end or rear end. The two clamping units capable of moving in the direction close to or away from each other are arranged to synchronously clamp the material, so that the material can move along a straight line all the time, and the material clamping device is particularly suitable for workpieces needing centering, and is generally used for the front end and the rear end of a printer, a paper sticking machine, a thermal transfer printer and the like.

Specifically, the parallel clamping device is provided with two clamping units, and the two clamping units are meshed with two radial sides of the same gear through two racks, so that the two clamping units can synchronously clamp two opposite sides of a material and convey the material, and the material always moves along a straight line.

In this embodiment, referring to fig. 1 to 3, the parallel clamping device described above, the material 100 is conveyed from left to right, and includes a frame 1, two clamping units 2 capable of sliding along a direction approaching or departing from each other and disposed on the frame 1 and located at two sides of the conveying direction of the material 100, two racks 3 respectively connected to the two clamping units 2, and a gear 4 disposed between the two racks 3, where the two racks 3 are respectively capable of being engaged with two radial sides of the gear 4 in a matching manner. Here, the two racks 3 are arranged along the conveying direction of the material, and the racks 3 can extend along the sliding direction of the clamping unit 2. A gear seat is arranged on the frame 1, and a gear 4 is rotatably arranged in the gear seat. Through the cooperation of the gear 4 and the rack 3, the two racks 3 are enabled to synchronously move by using the gear 4, and further synchronously slide the clamping unit 2.

As shown in fig. 2, the parallel clamping device further includes a first lead screw 5 disposed at an end of the rack 3 and extending in a direction away from the rack 3, and the first lead screw 5 can be connected to the clamping unit 2 in a matching manner. Here, the first screw 5 is used for adjusting the position of the clamping unit 2, so that when the material is clamped, the position of the clamping unit 2 can be finely adjusted through the first screw 5, and the material can be better clamped and conveyed.

In the present embodiment, the parallel clamping device further includes a first connecting rod 6 disposed between the first lead screw 5 and the clamping unit 2, and the first lead screw 5 can pass through the first connecting rod 6 along the axial direction thereof. The connection between the clamping unit 2 and the first spindle 5 is realized by means of a first connecting rod 6.

As shown in fig. 3, the clamping unit 2 includes a second connecting rod 21 connected to the end of the first connecting rod 6 and extending along the conveying direction of the material 100, a third connecting rod 22 connected to the second connecting rod 21 and disposed parallel to the second connecting rod 21, a plurality of rollers 23 disposed on the third connecting rod 22, and a second lead screw 24 disposed between the second connecting rod 21 and the third connecting rod 22, wherein the rotation axis of the rollers 23 extends along the vertical direction, and the second lead screw 24 can sequentially pass through the second connecting rod 21 and the third connecting rod 22 along the axial direction thereof.

Here, the second connecting rod 21 is connected to the first connecting rod 6, the third connecting rod 22 is used for clamping the material 100 and conveying the material 100, the second connecting rod 21 is driven to move by the movement of the rack 3, and then the third connecting rod 22 is driven to move and clamp the material 100, and the material 100 is conveyed forward under the rolling of the rollers 23 on both sides.

The parallel clamping device further comprises a sliding block 7 arranged on the clamping unit 2, a linear rail 8 is arranged on the rack 1, and the clamping unit 2 is arranged on the linear rail 8 in a sliding mode through the sliding block 7. Here, the slider 7 is provided on the second link 21, a slide groove 71 is provided on the slider 7, and the wire rail 8 is fittingly engaged with the slide groove 71.

The parallel clamping device further comprises a driving mechanism 9 arranged on the frame 1 and used for driving the clamping unit 2 to slide. The drive mechanism 9 here is a cylinder, the end of the piston rod of which is connected to the first connecting rod 6 for moving the rack and clamping unit 2.

A guide mechanism 10 is provided at the front end of the frame 1, the guide mechanism 10 being radially enlarged in a direction away from the clamping unit. The guide mechanism 10 includes two guide rods on which guide wheels are provided. Meanwhile, the front end and the rear end of the rack 1 are both provided with signal switches 11, when the materials 100 enter or are output, the signal switches 11 send signals, and the clamping unit 2 starts to work.

The following specifically explains the working process of this embodiment: after the material 100 enters the guide mechanism 10, the signal switch 11 sends a signal, the driving mechanism 9 drives the two clamping units 2 to move towards the mutually approaching direction, the material 100 is synchronously clamped through the matching of the gear 4 and the rack 3, and the material 100 is always linearly conveyed between the rollers 23 on the two sides under the action of the two clamping units 2;

when the material 100 is output, the signal switch 11 at the rear end sends out a signal, and the driving mechanism 9 drives the two clamping units 2 to return.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A parallel clamping apparatus for synchronously clamping opposite sides of a material (100) and conveying the material (100), characterized in that: the parallel clamping device comprises a rack (1), two clamping units (2) which can be arranged on the rack (1) and are positioned on two sides of the conveying direction of the material (100) along the direction close to or away from each other in a sliding manner, two racks (3) which are respectively connected to the two clamping units (2), and a gear (4) arranged between the two racks (3), wherein the two racks (3) can be meshed with the two radial sides of the gear (4) in a matched manner.

2. A parallel clamping apparatus according to claim 1, wherein: the toothed rack (3) can extend in the sliding direction of the clamping unit (2).

3. A parallel clamping apparatus according to claim 1, wherein: the parallel clamping device further comprises a first screw rod (5) which is arranged at the end part of the rack (3) and extends along the direction far away from the rack (3), and the first screw rod (5) can be connected to the clamping unit (2) in a matched mode.

4. A parallel clamping apparatus according to claim 3, wherein: the parallel clamping device further comprises a first connecting rod (6) arranged between the first screw rod (5) and the clamping unit (2), and the first screw rod (5) can penetrate through the first connecting rod (6) along the axial direction of the first screw rod.

5. A parallel clamping apparatus according to claim 4, wherein: the clamping unit (2) comprises a second connecting rod (21) connected to the end of the first connecting rod (6) and extending along the conveying direction of the materials (100), a third connecting rod (22) connected to the second connecting rod (21) and arranged in parallel with the second connecting rod (21), and a plurality of rollers (23) arranged on the third connecting rod (22), wherein the rotating axis of each roller (23) extends along the vertical direction.

6. A parallel clamping apparatus according to claim 5, wherein: the clamping unit (2) further comprises a second screw rod (24) arranged between the second connecting rod (21) and the third connecting rod (22), and the second screw rod (24) can sequentially penetrate through the second connecting rod (21) and the third connecting rod (22) along the axial direction of the second screw rod.

7. A parallel clamping apparatus according to claim 5, wherein: the parallel clamping device is characterized by further comprising a sliding block (7) arranged on the clamping unit (2), a linear rail (8) is arranged on the rack (1), and the clamping unit (2) is arranged on the linear rail (8) in a sliding mode through the sliding block (7).

8. A parallel clamping apparatus according to claim 7, wherein: the sliding block (7) is arranged on the second connecting rod (21).

9. A parallel clamping apparatus according to claim 7, wherein: a sliding groove (71) is formed in the sliding block (7), and the linear rail (8) can be clamped and embedded in the sliding groove (71) in a matched mode.

10. A parallel clamping apparatus according to any of claims 1-9, wherein: the parallel clamping device further comprises a driving mechanism (9) which is arranged on the rack (1) and used for driving the clamping unit (2) to slide.