CN216067180U

CN216067180U - Balanced type linear motion mechanism

Info

Publication number: CN216067180U
Application number: CN202121055273.8U
Authority: CN
Inventors: 樊晓勇; 陈宝
Original assignee: Shenzhen Zhixin Precision Instrument Co ltd
Current assignee: Shenzhen Zhixin Precision Instrument Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-03-18
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to the technical field of clamps, in particular to a balanced type linear motion mechanism; the automatic clamping device comprises a bottom plate, clamps and a driver, wherein the driver is fixedly arranged on the bottom plate, two groups of clamps are symmetrically arranged on two sides of the driver, a synchronous gear is arranged between the two groups of clamps, a rack meshed with the synchronous gear is arranged on each clamp, and the synchronous gear is rotationally connected with an output shaft of the driver; the clamping device is reasonable in structure, the two groups of clamps are driven by the synchronous slide block on the driver, the two groups of clamping plates are matched with the backer to synchronously clamp workpieces with different specifications, after one group of clamping plates and the backer are clamped in place, the synchronous gear is meshed for transmission to enable the other rack to be continuously clamped, and after the two groups of clamping plates are clamped in place, the workpieces with the two specifications can be guaranteed to be stressed by the same acting force and kept clamped.

Description

Balanced type linear motion mechanism

Technical Field

The utility model relates to the technical field of clamps, in particular to a balanced type linear motion mechanism.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The fixture has different structural design and functional characteristics according to different application requirements, and generally comprises a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a fixture base and the like. The existing clamp is usually used for clamping and fixing a single type of workpiece, two workpieces with different sizes and specifications need to be welded or assembled, two independent clamps are usually required to be fixed respectively due to different locking strokes of the clamp, the two clamps are required to apply the same clamping force in a high-precision machining link, and other mechanisms are required for synchronization between the two clamps, so that the structure of the clamp device is relatively complex, and the cost is high. Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a balanced linear motion mechanism which is reasonable in structure, can apply the same clamping force and clamp different types of workpieces, and aims to overcome the defects and shortcomings of the prior art.

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

the balanced linear motion mechanism comprises a bottom plate, clamps and a driver, wherein the driver is fixedly arranged on the bottom plate, two groups of clamps are symmetrically arranged on two sides of the driver, a synchronous gear is arranged between the two groups of clamps, a rack meshed with the synchronous gear is arranged on each clamp, and the synchronous gear is rotatably connected with an output shaft of the driver.

According to the scheme, a synchronous sliding block is arranged between the two groups of clamps and fixedly connected with an output shaft of the driver, and a synchronous gear is installed on the synchronous sliding block through a rotating shaft.

According to the scheme, the clamp comprises linear guide rails, clamping plates and a backer, the two linear guide rails are arranged on the bottom plates on two sides of the driver in parallel, the linear guide rails are provided with linkage sliding blocks capable of sliding along the linear guide rails, and the inner side surfaces of the two linkage sliding blocks are respectively provided with a rack meshed with the synchronous gears.

According to the scheme, the backer is oppositely arranged on the outer side of the linear guide rail and is fixedly connected with the bottom plate, and the clamping plate is fixedly connected with the outer side face of the linkage sliding block.

According to the above scheme, the driver comprises but is not limited to a cylinder.

The utility model has the beneficial effects that: the clamping device is reasonable in structure, the two groups of clamps are driven by the synchronous slide block on the driver, the two groups of clamping plates are matched with the backer to synchronously clamp workpieces with different specifications, after one group of clamping plates and the backer are clamped in place, the synchronous gear is meshed for transmission to enable the other rack to be continuously clamped, and after the two groups of clamping plates are clamped in place, the workpieces with the two specifications can be guaranteed to be stressed by the same acting force and kept clamped.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure:

1. a base plate; 2. a clamp; 3. a driver; 21. a rack; 22. a linear guide rail; 23. a splint; 24. backing a mountain; 25. a linkage slide block; 31. a synchronizing gear; 32. a synchronous slide block; 33. a rotating shaft.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the balanced linear motion mechanism of the present invention includes a bottom plate 1, two sets of clamps 2 and a driver 3, wherein the driver 3 is fixedly disposed on the bottom plate 1, two sets of clamps 2 are symmetrically disposed on two sides of the driver 3, a synchronizing gear 31 is disposed between the two sets of clamps 2, a rack 21 engaged with the synchronizing gear 31 is disposed on the clamp 2, and the synchronizing gear 31 is rotatably connected with an output shaft of the driver 3. The driver 3 drives the synchronous gear 31 to do linear reciprocating motion between the two groups of clamps 2, the driver 3 drives the two groups of clamps 2 to close and clamp workpieces through the cooperation of the synchronous gear 31 and the rack 21 in the clamping process, the clamping processes of the two groups of clamps 2 are different due to different specifications of the workpieces, when one group of clamps 2 is clamped, the synchronous gear 31 is meshed with the rack 21 on the group of clamps 2 to rotate, the synchronous gear 31 is meshed with the rack 21 on the other group of clamps 2 to drive the other group of clamps to continue to clamp the workpieces, the synchronous gear 31 does not rotate any more until the two groups of clamps 2 are clamped, and the driver 3 uniformly applies the clamping force to the two groups of clamps 2.

A synchronous sliding block 32 is arranged between the two groups of clamps 2, the synchronous sliding block 32 is fixedly connected with an output shaft of the driver 3, and a synchronous gear 31 is arranged on the synchronous sliding block 32 through a rotating shaft 33. The synchronous slide block 32 is driven by the driver 3 to make linear reciprocating movement, the synchronous gear 31 can rotate on the synchronous slide block 32 through the rotation 33, and when the synchronous gear 31 and any one rack 21 generate relative displacement, the synchronous gear 31 can rotate along with the synchronous slide block to drive the other rack 21 to make linear movement.

The clamp 2 comprises linear guide rails 22, a clamping plate 23 and a backer 24, the two linear guide rails 22 are arranged on the bottom plate 1 at two sides of the driver 3 in parallel, the linear guide rails 22 are provided with linkage sliding blocks 25 capable of sliding along the linear guide rails, and the inner side surfaces of the two linkage sliding blocks 25 are respectively provided with a rack 21 meshed with a synchronous gear 31. The backer 24 is oppositely arranged on the outer side of the linear guide rail 22 and is fixedly connected with the bottom plate 1, and the clamping plate 23 is fixedly connected with the outer side surface of the linkage sliding block 25; the driver 3 includes, but is not limited to, an air cylinder; when the two groups of clamping plates 23 and the backer 24 respectively clamp workpieces with different specifications, the two linkage sliders 25 have different clamping strokes, and the two groups of clamps 2 are clamped in sequence through the matching of the synchronous gear 31 and the rack 21, so that the clamping force output by the driver 3 is uniformly applied to the two groups of clamps 2.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a balanced type linear motion mechanism, includes bottom plate (1), anchor clamps (2) and driver (3), its characterized in that: the driver (3) is fixedly arranged on the bottom plate (1), two sets of clamps (2) are symmetrically arranged on two sides of the driver (3), a synchronizing gear (31) is arranged between the two sets of clamps (2), a rack (21) meshed with the synchronizing gear (31) is arranged on each clamp (2), and the synchronizing gear (31) is rotatably connected with an output shaft of the driver (3).

2. The balanced linear motion mechanism of claim 1, wherein: a synchronous sliding block (32) is arranged between the two groups of clamps (2), the synchronous sliding block (32) is fixedly connected with an output shaft of the driver (3), and a synchronous gear (31) is installed on the synchronous sliding block (32) through a rotating shaft (33).

3. The balanced linear motion mechanism of claim 2, wherein: the clamp (2) comprises linear guide rails (22), clamping plates (23) and a backrest (24), the two linear guide rails (22) are arranged on the bottom plates (1) on two sides of the driver (3) in parallel, the linear guide rails (22) are provided with linkage sliding blocks (25) capable of sliding along the linear guide rails, and the inner side surfaces of the two linkage sliding blocks (25) are provided with racks (21) meshed with the synchronous gears (31).

4. The balanced linear motion mechanism of claim 3, wherein: the backrest (24) is oppositely arranged on the outer side of the linear guide rail (22) and fixedly connected with the bottom plate (1), and the clamping plate (23) is fixedly connected with the outer side surface of the linkage sliding block (25).

5. The balanced linear motion mechanism of claim 1, wherein: the driver (3) includes, but is not limited to, an air cylinder.