CN219444868U

CN219444868U - Heavy claw clamp

Info

Publication number: CN219444868U
Application number: CN202320617280.5U
Authority: CN
Inventors: 林斌; 蒋卫金
Original assignee: Taizhou Zhongyi Intelligent Equipment Co ltd
Current assignee: Taizhou Zhongyi Intelligent Equipment Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-01
Anticipated expiration: 2033-03-21

Abstract

The utility model provides a heavy claw clip, and belongs to the technical field of machinery. It has solved the current little problem of clamping jaw clamping force. The heavy claw clamp comprises a first driver, a mounting plate, a first sliding rail fixed on the mounting plate, two clamping plates connected to the first sliding rail in a sliding manner and a first gear axially positioned on the mounting plate, wherein clamping blocks and first racks are fixedly connected to each clamping plate, the two first racks are meshed with the first gear, and an output shaft of the first driver is fixedly connected with one of the two clamping plates. The heavy claw clamp has the advantage of high clamping force.

Description

Heavy claw clamp

Technical Field

The utility model belongs to the technical field of machinery, and relates to a heavy claw clamp.

Background

With the continuous development of the automation level, more and more industries realize automatic assembly, production and detection. In the production process of the workpiece, the workpiece is clamped by the claw clamps so that the workpiece can be subjected to the procedures of conveying, positioning, machining and the like.

The prior claw clamp, such as Chinese patent literature, discloses a centering clamping claw based on gear-rack transmission [ patent number: 202010150365.8; application publication number: CN111331067a ], comprising a clamping mechanism: the clamping fingers are used for clamping the workpiece; gear rack transmission mechanism: the clamping mechanism is connected with the clamping device and is used for driving two clamping fingers of the clamping device to axially move in a centering way at the same time; a power driving mechanism: is connected with the gear-rack transmission mechanism and provides power for the gear-rack transmission mechanism.

According to the centering clamping jaw with the structure, the cylinder moves to drive the longitudinal racks to move, the longitudinal racks move to drive the pair of gears to rotate, so that the transverse racks move along the guide rod, and finally the clamping blocks and the V-shaped blocks fixedly connected to the transverse racks move relatively, so that workpiece bars are clamped. The centering clamping jaw with the structure transmits motion and force to the clamping block and the V-shaped block through the longitudinal rack and other structures, and the longitudinal rack and the gear bear acting force at first, so that the acting force of the centering clamping jaw with the structure is relatively low.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a heavy claw clamp which solves the technical problem of how to make the clamping force of the claw clamp large.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a heavy claw presss from both sides, includes first driver, mounting panel and fixes the first slide rail on the mounting panel, its characterized in that still includes two grip blocks of sliding connection on first slide rail and axial positioning first gear on the mounting panel, every all link firmly clamp splice and first rack on the grip block, two first rack all meshes with first gear, the output shaft of first driver links firmly with two one of them grip block in the grip block.

When the clamping device works, the first driver works to push one clamping plate to move along the first sliding rail, the clamping plate moves to drive the first gear to rotate through the first rack fixedly connected to the clamping plate, so that the other first rack moves, the other first rack moves to enable the other clamping plate to move along the first sliding rail, and all clamping blocks move inwards to clamp a workpiece or all clamping blocks move outwards to loosen the workpiece. The heavy claw clamp directly drives the clamping plate, the force firstly acts on the clamping plate, the clamping plate can not be damaged when bearing larger force, and compared with the prior art, larger acting force can be provided, so that the clamping force of the claw clamp is larger, and heavy workpieces can be clamped.

In the heavy claw clip, the number of the first sliding rails is two, the clamping plates are in a strip shape, two ends of the clamping plates are respectively connected with the two first sliding rails in a sliding manner, and the first gear is located at the center of an area surrounded by the two first sliding rails and the two clamping plates. The structure is symmetrically arranged, reasonable in layout and more uniform in stress, and improves the stability of the claw clamp.

In the heavy claw clip, the first rack is perpendicular to the length direction of the clamping plate, and the first rack and the two first sliding rails are parallel.

In the heavy claw clip, two opposite inner sides of the two clamping plates are respectively provided with a concavely arranged positioning groove and a convexly arranged positioning block, when the two clamping plates move inwards by a set distance, the positioning blocks are embedded into the corresponding positioning grooves, and the positioning blocks move along the groove walls of the positioning grooves. This kind of structure makes claw clamp when the centre gripping, and two grip blocks mutually support, and the formation that can be better is whole makes the support clamp splice that the grip block can be better, makes this claw clamp can be better the centre gripping work piece.

In the heavy claw clip, the first rack is fixedly connected to the bottom of the clamping plate, and the first rack part is located right below the corresponding positioning block. According to the structure, the first rack can be fixedly connected with the positioning block through the bolt, the contact area between the first rack and the clamping plate is prolonged, the fixedly connected firmness of the first rack is improved, and the stability of the claw clamp is improved.

In the heavy claw clip, a gap is formed between the first rack and the mounting plate. The first rack is not interfered by the mounting plate when moving, so that the clamping plate moves smoothly.

In the heavy claw clip, the number of the clamping blocks is four, and the clamping blocks are respectively positioned at two ends of the clamping plate.

In the heavy claw clip, the claw clip further comprises a mounting frame, a second driver is fixedly connected to the mounting frame, a second gear is axially positioned between the mounting frame and the mounting plate, the second gear is fixedly connected with the mounting plate, and the second driver drives the second gear to rotate so as to drive the mounting plate to rotate. The structure enables the mounting plate to be mounted on the mounting frame through the second gear, and enables the mounting plate to rotate, so that the claw clamps can adjust the angle to clamp the workpiece, and the claw clamps can clamp the workpiece more conveniently.

In the heavy claw clamp, the second sliding rail is fixedly connected to the mounting frame, the second sliding rail is connected with the second rack in a sliding manner, the second rack is meshed with the second gear, and the second driver drives the second rack to move along the second sliding rail to drive the second gear to rotate. The second driver drives the second gear to rotate conveniently through the cooperation of the gear and the rack.

In the heavy claw clip, the first gear is located right above the second gear, and the first gear and the second gear are coaxially arranged. The structure is compact in structure, and the movement of the whole claw clip is more reasonable.

Compared with the prior art, the heavy claw clamp provided by the utility model has the following advantages:

1. this heavy claw presss from both sides through first driver direct drive grip block, and the force is at first acted on the grip block, and the grip block can bear bigger force, for prior art, can provide bigger effort to make the clamping force of claw clamp bigger, can the heavy work piece of centre gripping.

2. The heavy claw clamp can drive the mounting plate to rotate through the second driver, so that the claw clamp can adjust the angle to clamp the workpiece, and the claw clamp can clamp the workpiece more conveniently.

Drawings

Fig. 1 is a schematic view of the overall structure of the present heavy duty jaw.

Fig. 2 is a schematic view of the structure of the present heavy duty jaw clamping plate and the first gear, etc.

In the figure, 1, a first driver; 2. a mounting plate; 3. a first slide rail; 4. a clamping plate; 41. a positioning groove; 42. a positioning block; 5. a first gear; 6. clamping blocks; 7. a first rack; 8. a mounting frame; 9. a second driver; 10. a second gear; 11. a second slide rail; 12. and a second rack.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the heavy claw clip comprises a first driver 1, a mounting plate 2, a first sliding rail 3, a clamping plate 4, a first gear 5, a clamping block 6, a first rack 7, a mounting frame 8, a second driver 9, a second gear 10, a second sliding rail 11 and a second rack 12. In this embodiment, the first driver 1 is an air cylinder, the second driver 9 is an oil cylinder, and in actual production, the first driver 1 may be an oil cylinder, and the second driver 9 may be an air cylinder.

As shown in fig. 2, two first slide rails 3 are fixed on the mounting plate 2, the clamping plates 4 are in a strip shape, the number of the clamping plates 4 is two, two ends of the two clamping plates 4 are respectively in sliding connection with the two first slide rails 3, the first gear 5 is axially positioned on the mounting plate 2, and the first gear 5 is positioned at the center of an area surrounded by the two first slide rails 3 and the two clamping plates 4. The two opposite inner sides of the two clamping plates 4 are respectively provided with a concavely arranged positioning groove 41 and a convexly arranged positioning block 42, when the two clamping plates 4 move inwards by a set distance, the positioning blocks 42 are embedded into the corresponding positioning grooves 41, and the positioning blocks 42 move relatively along the groove walls of the positioning grooves 41. The output shaft of the first driver 1 is fixedly connected with one of the two clamping plates 4, 4. The number of the clamping blocks 6 is four, and the clamping blocks 6 are respectively positioned at two ends of the clamping plate 4.

The first rack 7 is fixedly connected to the bottom of the clamping plate 4, a gap is reserved between the first rack 7 and the mounting plate 2, the first rack 7 is perpendicular to the length direction of the clamping plate 4, the first rack 7 and the two first sliding rails 3 are parallel, a part of the first rack 7 is located under the corresponding positioning block 42, and the two first racks 7 are meshed with the first gear 5.

The second driver 9 and the second sliding rail 11 are fixedly connected to the mounting frame 8, the second gear 10 is axially positioned between the mounting frame 8 and the mounting plate 2, the second gear 10 is fixedly connected with the mounting plate 2, the first gear 5 is located right above the second gear 10, and the first gear 5 and the second gear 10 are coaxially arranged. The second slide rail 11 is connected with a second rack 12 in a sliding manner, the second rack 12 is meshed with the second gear 10, and the second driver 9 drives the second rack 12 to move along the second slide rail 11 to drive the second gear 10 to rotate.

In operation, the second driver 9 operates to rotationally position the jaw at a suitable angle. The first driver 1 works to push the clamping plate 4 fixedly connected with the output shaft of the first driver 1 to move along the first sliding rail 3, so that the first rack 7 fixedly connected to the clamping plate 4 is driven to move, the first rack 7 moves to drive the first gear 5 to rotate, the other first rack 7 is driven to move, the other clamping plate 4 is finally driven to move along the first sliding rail 3, and the clamping block 6 moves inwards to clamp a workpiece or moves outwards to loosen the workpiece.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the terms of the first driver 1, the mounting plate 2, the first slide rail 3, the clamping plate 4, the positioning groove 41, the positioning block 42, the first gear 5, the clamping block 6, the first rack 7, the mounting bracket 8, the second driver 9, the second gear 10, the second slide rail 11, the second rack 12, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a heavy claw presss from both sides, includes first driver (1), mounting panel (2) and fixes first slide rail (3) on mounting panel (2), its characterized in that still includes two grip blocks (4) of sliding connection on first slide rail (3) and axial positioning first gear (5) on mounting panel (2), every all linked firmly clamp splice (6) and first rack (7) on grip block (4), two first rack (7) all meshes with first gear (5), the output shaft of first driver (1) links firmly with two one of them grip block (4) in grip block (4).

2. The heavy claw clip according to claim 1, wherein the number of the first sliding rails (3) is two, the clamping plates (4) are in a strip shape, two ends of the clamping plates (4) are respectively in sliding connection with the two first sliding rails (3), and the first gear (5) is located at the center of an area surrounded by the two first sliding rails (3) and the two clamping plates (4).

3. A heavy claw grip according to claim 2, characterised in that the first rack (7) is perpendicular to the length direction of the grip block (4), the first rack (7) and the two first slide rails (3) being parallel.

4. A heavy claw clip according to claim 1, 2 or 3, characterized in that the two clamping plates (4) are provided with a concavely arranged positioning groove (41) and a convexly arranged positioning block (42) on opposite inner sides, when the two clamping plates (4) are moved inwards by a set distance, the positioning block (42) is embedded into the corresponding positioning groove (41), and the positioning block (42) moves along the groove wall of the positioning groove (41).

5. The heavy claw clip according to claim 4, wherein the first rack (7) is fixedly connected to the bottom of the clamping plate (4), and the first rack (7) is partially located under the corresponding positioning block (42).

6. A heavy duty jaw according to claim 1 or 2 or 3, characterized in that the first rack (7) has a gap with the mounting plate (2).

7. A heavy duty jaw according to claim 1 or 2 or 3, characterized in that the number of clamping blocks (6) is four, the clamping blocks (6) being located at the two ends of the clamping plate (4), respectively.

8. A heavy claw clip according to claim 1, 2 or 3, characterized in that the claw clip further comprises a mounting frame (8), a second driver (9) is fixedly connected to the mounting frame (8), a second gear (10) is axially positioned between the mounting frame (8) and the mounting plate (2), the second gear (10) is fixedly connected with the mounting plate (2), and the second driver (9) drives the second gear (10) to rotate so as to drive the mounting plate (2) to rotate.

9. The heavy claw clip according to claim 8, wherein a second sliding rail (11) is fixedly connected to the mounting frame (8), a second rack (12) is slidably connected to the second sliding rail (11), the second rack (12) is meshed with the second gear (10), and the second driver (9) drives the second rack (12) to move along the second sliding rail (11) to drive the second gear (10) to rotate.

10. A heavy duty jaw according to claim 8, characterized in that said first gear (5) is located directly above the second gear (10), said first gear (5) and second gear (10) being coaxially arranged.