CN223802016U - Rear cover lying clamp - Google Patents

Abstract

The utility model provides a back lid crouches adds anchor clamps, includes the locating plate and sets up the clamping mechanism on the locating plate, clamping mechanism includes supporting component and at least one clamping component, form the clamping station between supporting component and the clamping component, the work piece of waiting to process has been placed in the clamping station, supporting component is connected with the work piece of waiting to process and is supported the work piece of waiting to process, the clamping component has the clamping end, the clamping end is rotated the work piece of waiting to process towards waiting to process and is pressed from both sides tightly fixedly, through setting up clamping component and supporting component, can improve the stability and the machining precision of work piece effectively. The design of the clamping assembly enables the clamping assembly to be adjusted under different angles and forces, and is suitable for workpieces of various shapes and sizes. The support assembly provides a solid bottom support to ensure that the workpiece does not displace or vibrate during processing.

Description

Rear cover lying clamp

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a rear cover horizontal clamp.

Background

In the product structure of the hydraulic plunger pump, the rear cover is generally made of cast iron, and in the actual production pouring process of casting manufacturers, the casting manufacturers are convenient to lift the die or open the core box, the appearance surface can have a draft angle of about 2 degrees, and the positioning accuracy is greatly influenced during the primary machining. In the casting machining process, a workpiece to be machined is usually clamped by using a flat tongs and a pressing plate, and the workpiece to be machined is often unstable in size, poor in finish degree of a machining surface and the like due to the reasons of the flat tongs and the pressing plate and the reasons of the flat tongs and the pressing plate, so that the feeding speed and the cutting depth of the size of the part are ensured to be smaller, the production efficiency is low, and the stability is poor.

Disclosure of Invention

In view of this, the present utility model provides a rear cover lying clamp.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a back lid crouches adds anchor clamps, includes the locating plate and sets up the clamping mechanism on the locating plate, clamping mechanism includes supporting component and at least one clamping component, form the clamping station between supporting component and the clamping component, the work piece of waiting to process has been placed in the clamping station, supporting component is connected with the work piece of waiting to process and is supported the work piece of waiting to process, the clamping component has the clamping end, the clamping end is rotated towards waiting to process the work piece direction and is tightly fixed to wait to process the work piece clamp.

Preferably, the clamping assembly comprises a pressing block, a pressing block base and a clamping block, the pressing block base is arranged on the positioning plate, a movable groove is formed in the pressing block base, the movable groove is provided with a clamping opening formed in the direction of a workpiece to be processed and a pressing block movable opening far away from the positioning plate, the pressing block and the clamping block are arranged in the movable groove, a first movable connecting piece and a second movable connecting piece are arranged in the movable groove, one end of the first movable connecting piece penetrates through the pressing block and stretches into the movable groove to be close to one side groove wall of the positioning plate and movably connected with the pressing block base, the second movable connecting piece is arranged on the groove wall of the movable groove, the clamping block is rotatably arranged on the second movable connecting piece, one end of the clamping block is connected with the pressing block, the clamping end is arranged at one end of the clamping block close to the workpiece to be processed, and the clamping end stretches out of the movable groove through the clamping opening and props against the workpiece to be processed.

Preferably, a clamping transmission surface is arranged on one side of the pressing block, which is close to the clamping block, the clamping block protrudes towards the clamping transmission surface to form a clamping transmission end, and the clamping transmission end is connected with the clamping transmission surface.

Preferably, a stepped structure is arranged on the end face of one side of the pressing block, which is close to the positioning plate, and the clamping block protrudes towards the direction of the stepped structure to form a rollback driving end which is connected with the stepped structure.

Preferably, the first movable connecting piece is a screw, a screw hole is formed in a groove wall of one side of the movable groove, which is close to the positioning plate, one end of the first movable connecting piece penetrates through the pressing block and stretches into the screw hole to be in threaded connection with the pressing block base, and the first movable connecting piece is screwed in or screwed out to drive the pressing block to move in the movable groove.

Preferably, the clamping block is provided with a rotating hole, the second movable connecting piece is a rotating shaft, one end of the second movable connecting piece is connected with one side groove wall of the movable groove, and the other end of the second movable connecting piece penetrates through the rotating hole and is connected with the other side groove wall of the movable groove.

Preferably, a clamping tooth pin is arranged at the clamping end of the clamping block, the clamping tooth pin is provided with a meshing end, and the meshing end abuts against the workpiece to be machined to clamp and fix the workpiece to be machined.

Preferably, the supporting component comprises a supporting nail, a limiting pin and a positioning seat, the positioning seat is fixed on the positioning plate, the clamping station is formed between the positioning seat and the clamping component, the supporting nail and the limiting pin are both arranged on the part, located in the clamping station, of the positioning plate, the height of the limiting pin is larger than that of the supporting nail, the bottom surface of the workpiece to be processed is connected with the supporting nail, and the end faces of two sides of the workpiece to be processed are connected with the limiting pin.

Preferably, a flat tooth pin is arranged on the end face of one side, close to the workpiece to be processed, of the positioning seat, and the flat tooth pin abuts against the workpiece to be processed.

The clamping assembly and the supporting assembly are arranged, so that the stability and the machining precision of a workpiece can be effectively improved. The design of the clamping assembly enables the clamping assembly to be adjusted under different angles and forces, and is suitable for workpieces of various shapes and sizes. The support assembly provides a solid bottom support to ensure that the workpiece does not displace or vibrate during processing.

Drawings

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

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping assembly;

fig. 3 is an exploded view of the clamp assembly.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model will be further described with reference to the drawings.

The utility model provides the following technical scheme:

As shown in fig. 1-3, the utility model discloses a back cover horizontal clamping device, which comprises a positioning plate 1 and a clamping mechanism arranged on the positioning plate 1, wherein the clamping mechanism comprises a supporting component 2 and at least one clamping component 3, a clamping station 4 is formed between the supporting component 2 and the clamping component 3, a workpiece 5 to be processed is placed in the clamping station 4, the supporting component 2 is connected with the workpiece 5 to be processed and supports the workpiece 5 to be processed, the clamping component 3 is provided with a clamping end 6, and the clamping end 6 rotates towards the direction of the workpiece 5 to be processed to clamp and fix the workpiece 5 to be processed. Specifically, in the present design, by providing the clamping assembly 3 and the supporting assembly 2, the stability and the machining accuracy of the workpiece can be effectively improved. The design of the clamping assembly 3 enables the clamping assembly to be adjusted under different angles and forces to adapt to workpieces of various shapes and sizes. The support assembly 2 provides a solid bottom support to ensure that the workpiece does not shift or vibrate during processing.

Before the workpiece 5 to be machined is placed, the pressing block 7 downwards moves by using a hexagonal wrench and a screw, the clamping block 9 rotates anticlockwise around the second movable connecting piece 14 to a position, when the workpiece 5 to be machined is placed, scrap iron on the surface of a face blowing tool is blown, the workpiece 5 to be machined leans against the plane of the flat supporting pin 23, the lower end surface of the workpiece 5 to be machined leans against the plane formed by the flat tooth pin 26, the lateral positioning of the workpiece 5 to be machined leans against the limiting pin 24, at the moment, the workpiece 5 to be machined is placed in place, when the workpiece 5 to be machined is clamped, the pressing block 7 upwards moves by screwing and pressing the pressing block 7, the pressing block 7 presses the clamping block 9, the clamping block 9 rotates clockwise around the second movable connecting piece 14, the clamping tooth pin 21 is clamped into the blank surface, the workpiece 5 to be machined is clamped, when the workpiece 5 to be machined is taken out, the pressing block 7 is downwards moved by locking by the screw, the clamping block 9 is driven to rotate anticlockwise around the second movable connecting piece 14, and the clamping block 9 is reset, and the workpiece 5 to be machined is taken down.

Because the workpiece 5 to be processed is acted by gravity, when the workpiece 5 to be processed is placed, the workpiece 5 to be processed can be in meshed contact with the flat tooth pin 26 on the positioning seat 25, the condition that a supporting surface is suspended due to the draft angle can not occur to the maximum extent of the workpiece 5 to be processed during clamping, and because the special shape of the clamping block 9 generates a downward oblique force, a component force relative to a vertical processing plane exists, the clamping effect is more stable, the adjustable clamping stroke is shorter, the rigidity of the clamp is more superior, and the processing efficiency and the production efficiency are improved.

Further, the clamping assembly 3 comprises a pressing block 7, a pressing block base 8 and a clamping block 9, the pressing block base 8 is arranged on the positioning plate 1, a movable groove 10 is formed in the pressing block base 8, the movable groove 10 is provided with a clamping opening 11 formed in the direction of a workpiece 5 to be processed and a pressing block movable opening 12 far away from the positioning plate 1, the pressing block 7 and the clamping block 9 are both arranged in the movable groove 10, a first movable connecting piece 13 and a second movable connecting piece 14 are arranged in the movable groove 10, one end of the first movable connecting piece 13 penetrates through the pressing block 7 to extend into the movable groove 10 to be close to the groove wall of one side of the positioning plate 1 and movably connected with the pressing block base 8, the second movable connecting piece 14 is arranged on the groove wall of the movable groove 10, the clamping block 9 is rotatably arranged on the second movable connecting piece 14, one end of the clamping block 9 is connected with the pressing block 7, the clamping end 6 is arranged at one end of the clamping block 9 close to the workpiece 5 to be processed, and the clamping end 6 extends out of the movable groove 10 through the clamping opening 11 and abuts against the workpiece 5 to be processed. Specifically, in this embodiment, the pressing block 7 is connected to the pressing block base 8 through a screw, and the position of the pressing block 7 in the movable slot 10 can be adjusted by rotating the screw, so as to control the clamping force of the clamping block 9. The design of the press block base 8 ensures the stability of the press block base on the positioning plate 1 and prevents the press block base from being shifted due to vibration in the processing process. The clamping block 9 is designed so that when the clamping block receives the acting force of the pressing block 7, the clamping block can effectively transfer the force to the workpiece 5 to be processed, and the workpiece is ensured to be stable in the processing process. Furthermore, the clamping end 6 is able to better engage the surface of the workpiece, preventing the workpiece from sliding or shifting during machining. The whole clamping assembly 3 is compact in structure and simple and convenient to operate, and machining efficiency and workpiece quality are greatly improved.

Further, a clamping transmission surface 15 is arranged on one side of the pressing block 7 close to the clamping block 9, the clamping block 9 protrudes towards the clamping transmission surface 15 to form a clamping transmission end 16, and the clamping transmission end 16 is connected with the clamping transmission surface 15. Specifically, in this embodiment, the clamping transmission surface 15 is provided in an inclined structure, and in the process that the pressing block 7 is driven to rise by the first movable connecting piece 13, the clamping transmission surface 15 contacts the clamping transmission end 16 of the clamping block 9, so as to drive the clamping block 9 to rotate clockwise, so that the clamping block 9 of the clamping block 9 rotates towards the workpiece 5 to be processed and abuts against the workpiece 5 to be processed to clamp the workpiece 5, and the torque of the rising of the pressing block 7 can be effectively utilized through the arrangement of the structure, and is converted into the rotating force of the clamping block 9, so that the stability and reliability of clamping are further enhanced. In addition, the design of the clamping transmission surface 15 of the inclined surface structure not only reduces the friction force between the pressing block 7 and the clamping block 9, but also prolongs the service life of the clamp. In actual operation, the design makes the clamping action smoother, and reduces the problem of workpiece deformation caused by uneven clamping force, thereby improving the processing precision and the product quality. Meanwhile, due to the convex design of the clamping transmission end 16, the operator can observe and adjust conveniently, and safety and high efficiency of the clamping process are ensured.

Further, a stepped structure 17 is arranged on the end surface of one side of the pressing block 7, which is close to the positioning plate 1, the clamping block 9 protrudes towards the stepped structure 17 to form a back driving end 18, and the back driving end 18 is connected with the stepped structure 17. Specifically, in this embodiment, by setting the retraction driving end 18 that can cooperate with the stepped structure 17 on the clamping block 9, the stepped structure 17 contacts with the retraction driving end 18 to drive the clamping block 9 to rotate anticlockwise in the pressing process of the pressing block 7, so that the workpiece 5 to be processed is not clamped any more, and the workpiece 5 to be processed is conveniently taken out or placed from the clamping station 4.

Further, the first movable connecting piece 13 is a screw, a screw hole (not shown) is formed in a groove wall of one side of the movable groove 10, which is close to the positioning plate 1, one end of the first movable connecting piece 13 passes through the pressing block 7 and extends into the screw hole to be in threaded connection with the pressing block base 8, and the pressing block 7 is driven to move in the movable groove 10 by screwing in or screwing out the first movable connecting piece 13. Specifically, in this embodiment, the threaded portion of the screw is matched with the threads of the screw hole, so as to ensure firm connection and flexible adjustment. The movement range of the pressing block 7 in the movable groove 10 is limited by the length of the movable groove 10 so as to prevent the unstable structure caused by excessive movement. By screwing in or screwing out the screw, the position of the press block 7 can be accurately adjusted.

Further, the clamping block 9 is provided with a rotation hole 20, the second movable connecting piece 14 is a rotation shaft, one end of the second movable connecting piece 14 is connected with a groove wall on one side of the movable groove 10, and the other end of the second movable connecting piece 14 passes through the rotation hole 20 and is connected with the groove wall on the other side of the movable groove 10. Specifically, in this embodiment, the clamping block 9 is in running fit with the second movable connecting piece 14 of the rotating shaft structure through the rotating hole 20, and the clamping block 9 can flexibly rotate in the movable groove 10, so as to achieve accurate clamping of the workpiece 5 to be processed. The design of the rotating hole 20 ensures that the clamping block 9 is kept stable in the rotating process, and clamping failure caused by friction or loosening is avoided. Both ends of the rotating shaft are respectively and firmly connected with the groove walls at both sides of the movable groove 10, thereby ensuring the stability and durability of the whole clamping mechanism. Through the structural design, not only is the clamping efficiency improved, but also the service life of the equipment is prolonged.

Further, a clamping tooth pin 21 is arranged on the clamping end 6 of the clamping block 9, the clamping tooth pin 21 is provided with a biting end 22, and the biting end 22 butts against the workpiece 5 to be machined to clamp and fix the workpiece 5 to be machined. Specifically, in this embodiment, when the engagement end 22 of the clamping tooth pin 21 contacts the workpiece 5 to be processed, the engagement force of the workpiece 5 to be processed can be increased, so that the workpiece is ensured not to be displaced in the processing process. The engagement end 22 is arranged in a triangular shape, and the engagement end 22 is in line contact with the workpiece 5 to be processed, so that the design not only improves the stability of clamping, but also reduces the damage to the surface of the workpiece. The triangular engagement ends 22 of the clamping tooth pins 21 can provide uniform clamping force at different angles to adapt to workpieces of different shapes and materials. In addition, the line contact mode also effectively reduces the friction force in the clamping process, and prolongs the service life of the clamping toothed pin 21.

Further, the supporting component 2 comprises a supporting nail 23, a limiting pin 24 and a positioning seat 25, the positioning seat 25 is fixed on the positioning plate 1, the clamping station 4 is formed between the positioning seat 25 and the clamping component 3, the supporting nail 23 and the limiting pin 24 are arranged on the part, located in the clamping station 4, of the positioning plate 1, the height of the limiting pin 24 is larger than that of the supporting nail 23, the bottom surface of the workpiece 5 to be processed is connected with the supporting nail 23, and the end surfaces of two sides of the workpiece 5 to be processed are connected with the limiting pin 24. Specifically, in this embodiment, the diameter of the supporting pin 23 is slightly smaller than the contact area of the bottom surface of the workpiece 5 to be processed, so as to ensure that the workpiece is stable and not easy to slide during the processing. The length and the position of the limiting pin 24 are accurately calculated, so that the transverse movement of a workpiece can be effectively limited, and the machining precision is improved.

Further, a flat tooth pin (not shown) is disposed on an end surface of the positioning seat 25 near the workpiece 5 to be processed, and the flat tooth pin abuts against the workpiece 5 to be processed. Specifically, in the present embodiment, the design of the flat tooth pin can increase the biting force of the positioning seat 25 to the workpiece 5 to be processed in the clamping process, thereby ensuring that the workpiece cannot be displaced in the processing process.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The back cover horizontal clamping fixture is characterized by comprising a positioning plate and a clamping mechanism arranged on the positioning plate, wherein the clamping mechanism comprises a supporting component and at least one clamping component, a clamping station is formed between the supporting component and the clamping component, a workpiece to be machined is placed in the clamping station, the supporting component is connected with the workpiece to be machined and supports the workpiece to be machined, the clamping component is provided with a clamping end, and the clamping end rotates towards the direction of the workpiece to be machined to clamp and fix the workpiece to be machined.

2. The back cover horizontal pressurizing clamp according to claim 1, wherein the clamping assembly comprises a pressing block, a pressing block base and a clamping block, the pressing block base is arranged on the positioning plate, a movable groove is formed in the pressing block base, the movable groove is provided with a clamping opening formed in the direction of a workpiece to be processed and a pressing block movable opening far away from the positioning plate, the pressing block and the clamping block are both arranged in the movable groove, a first movable connecting piece and a second movable connecting piece are arranged in the movable groove, one end of the first movable connecting piece penetrates through the pressing block to stretch into the movable groove to be movably connected with the pressing block base on a groove wall of one side, close to the positioning plate, of the movable groove, the second movable connecting piece is arranged on the groove wall of the movable groove, the clamping block is rotatably arranged on the second movable connecting piece, one end of the clamping block is connected with the pressing block, the clamping end is arranged on one end, close to the workpiece to be processed, and the clamping end stretches out of the movable groove through the clamping opening and props against the workpiece to be processed.

3. The back cover horizontal clamping device according to claim 2, wherein the pressing block is provided with a clamping transmission surface on one side close to the clamping block, the clamping block protrudes towards the clamping transmission surface to form a clamping transmission end, and the clamping transmission end is connected with the clamping transmission surface.

4. The back cover lying clamp as set forth in claim 2, wherein a stepped structure is provided on an end face of the pressing block on one side close to the positioning plate, the clamping block protrudes toward the stepped structure to form a retreating driving end, and the retreating driving end is connected with the stepped structure.

5. The back cover lying clamp as set forth in claim 2, wherein the first movable connecting piece is a screw, a screw hole is formed in a groove wall of one side of the movable groove, which is close to the positioning plate, one end of the first movable connecting piece penetrates through the pressing block and extends into the screw hole to be in threaded connection with the pressing block base, and the first movable connecting piece is screwed in or screwed out to drive the pressing block to move in the movable groove.

6. The back cover horizontal clamping device according to claim 2, wherein the clamping block is provided with a rotating hole, the second movable connecting piece is a rotating shaft, one end of the second movable connecting piece is connected with one side groove wall of the movable groove, and the other end of the second movable connecting piece penetrates through the rotating hole and is connected with the other side groove wall of the movable groove.

7. The back cover horizontal clamping fixture as set forth in claim 2, wherein the clamping end of the clamping block is provided with a clamping toothed pin, the clamping toothed pin is provided with a biting end, and the biting end is abutted against a workpiece to be machined to clamp and fix the workpiece to be machined.

8. The back cover horizontal clamping apparatus according to claim 1, wherein the supporting assembly comprises supporting nails, limiting pins and positioning seats, the positioning seats are fixed on the positioning plate, the clamping stations are formed between the positioning seats and the clamping assembly, the supporting nails and the limiting pins are arranged on the parts, located in the clamping stations, of the positioning plate, the height of the limiting pins is larger than that of the supporting nails, the bottom surface of a workpiece to be processed is connected with the supporting nails, and two side end faces of the workpiece to be processed are connected with the limiting pins.

9. The back cover horizontal clamp according to claim 8, wherein a flat tooth pin is arranged on the end face of one side, close to the workpiece to be processed, of the positioning seat, and the flat tooth pin abuts against the workpiece to be processed.