CN220128620U

CN220128620U - Circular workpiece clamp

Info

Publication number: CN220128620U
Application number: CN202321641697.1U
Authority: CN
Inventors: 何跃能
Original assignee: Chongqing Huanyue Machinery Manufacturing Co ltd
Current assignee: Chongqing Huanyue Machinery Manufacturing Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-05
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a circular workpiece clamp, which relates to the technical field of workpiece clamps and comprises a machining plate and moving frames symmetrically arranged at the top end of the machining plate, wherein a driving part for driving two moving frames to move in opposite directions is arranged at the top end of the machining plate, a mounting groove is formed in one side surface of each of the two moving frames in opposite directions, clamping plates are embedded in the mounting groove, positioning grooves are formed in two sides of the inner wall of the mounting groove, arc-shaped protruding parts are fixed at one ends of the two clamping plates close to each other, containing grooves are formed in two ends of the clamping plates, an elastic plate is fixed on the inner wall of the containing groove, a positioning part which is in fit insertion connection with the positioning grooves is arranged at one end of the elastic plate in a protruding mode, and a groove is formed in the other end of the elastic plate.

Description

Circular workpiece clamp

Technical Field

The utility model relates to the technical field of workpiece clamps, in particular to a round workpiece clamp.

Background

The clamp is used for fixing a machining object in a mechanical manufacturing process, so that the clamp occupies a correct position to accept a device for construction or detection, and is also called a clamp, especially the clamp is ubiquitous in production and machining of a large number of round parts such as automobile seats, the round parts can be clamped at an arc-shaped structure, the common clamp is easy to slide due to insufficient clamping force, the pipe can be easily subjected to shaking and wearing, the clamp is easy to integrally replace once damaged, the disassembly and assembly are complex, and the common clamp is designed for the pipe with one size, and has a single function.

The patent of application number 202221507449.3 discloses an adjustable circular work piece holder, comprising a base plate, the locating plate, the sliding block, press from both sides tight piece, the guide bar, push rod and cylinder, the locating plate sets up on the width direction of bottom plate upper end respectively vertical symmetry, the guide bar is connected respectively between two locating plates and is located the length direction of bottom plate upper end, the both ends of sliding block slip cap respectively on two guide bars and be located the inboard of locating plate, control the clamping force of pressing from both sides tight piece through the cylinder, the clamping force is strong, and can not harm circular work piece during the centre gripping, guarantee the quality, utilize the arc breach on the clamping piece to press from both sides tight fixedly to circular work piece, however when pressing from both sides tight to circular work piece with different sizes, because the arc breach is in invariable state, and lead to the inner wall of arc breach can't keep coincide with the outer wall of circular work piece, the hydraulic stem can lead to the condition that appears damaging for the local atress of complete anastomotic circular work piece in the process of extrusion, thereby the practicality of anchor clamps has been caused.

Disclosure of Invention

The utility model aims to provide a circular workpiece clamp which is convenient for replacing clamping plates with different arc-shaped protruding parts, so that the clamp is suitable for clamping circular workpieces with different sizes, and the practicability of the clamp is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circular work piece anchor clamps, includes processing board and symmetry setting at the movable frame on processing board top, the driving piece that is used for driving two movable frames and removes in opposite directions is installed on the top of processing board, two the mounting groove has all been seted up to a side that the movable frame is in opposite directions to be provided with the splint through the mounting groove is embedded, the constant head tank has all been seted up to the inner wall both sides of mounting groove, two the close one end of splint all is fixed with arc bellying, and the holding tank has all been seted up at the both ends of splint, the inner wall of holding tank is fixed with the elastic plate, the one end protrusion of elastic plate is provided with the location portion of coincide grafting in the constant head tank, and the other end of elastic plate has seted up flutedly.

Preferably, both sides of the top end surface of the processing plate are provided with sliding grooves, and the driving piece is a screw rod rotatably arranged between the two sliding grooves.

Preferably, the bottom ends of the two movable frames are respectively fixed with a sliding part which is anastomosed and inserted in the sliding groove, and a screw hole is formed in the center position of the sliding part.

Preferably, two ends of the screw rod with opposite screw thread directions are respectively inserted into the two screw holes, and one end of the screw rod penetrates through the processing plate to fixedly sleeve the knob.

Preferably, the inner walls of the two arc-shaped protruding parts are fixedly adhered with rubber plates, and the inner walls of the two rubber plates are arc-shaped structures.

Preferably, both ends of the movable frame are provided with buttons in a protruding mode, and the buttons are inserted in the positioning grooves in a sliding mode and are abutted to the side walls of the positioning portions.

Preferably, the side wall of the positioning part is provided with an inclined groove, and the inclined groove is abutted with the inner wall of the mounting groove.

In summary, the utility model has the technical effects and advantages that:

1. the clamping device is reasonable in structure, the mounting grooves for accommodating the clamping plates are formed in the side walls of the moving frame, the positioning grooves are formed in the two sides of the inner wall of the mounting groove, the clamping plates are anastomosed and inserted into the mounting grooves, meanwhile, the elastic plates in the side wall accommodating grooves of the clamping plates are abutted with the positioning grooves through the inclined grooves on the clamping plates, the positioning parts and the elastic plates are extruded and contracted into the accommodating grooves until the clamping plates are completely inserted into the positioning grooves, the elastic plates push the positioning parts to be anastomosed and inserted into the positioning grooves, the grooves drive the elastic plates to move in the accommodating grooves, the positioning parts are moved out of the positioning grooves in the moving process, the clamping plates are detached from the moving frame, the clamping plates with different arc-shaped protruding parts are convenient to replace, the clamp is suitable for clamping circular workpieces with different sizes, and the practicability of the clamp is improved.

2. According to the utility model, the sliding grooves are formed in both sides of the top end surface of the processing plate, the screw is rotationally arranged between the two sliding grooves, the screw is driven to rotate through the knob, two sliding parts are respectively driven to move in opposite directions by the two opposite ends of the screw thread direction, the moving frame drives the clamping plate to synchronously move in the moving process, the rubber plate on the clamping plate is abutted with the outer wall of the round workpiece, and the two clamping synchronous movements are driven by the screw to clamp the round workpiece, so that the convenience of clamping the round workpiece by the clamp is improved.

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 perspective view of a circular workpiece holder;

FIG. 2 is a schematic view of a three-dimensional structure of a mobile frame;

FIG. 3 is a schematic perspective view of a splint;

fig. 4 is an enlarged schematic view of the structure a in fig. 3.

In the figure: 1. processing a plate; 2. a screw; 3. a clamping plate; 4. a chute; 5. a moving rack; 6. a knob; 7. a mounting groove; 8. a positioning groove; 9. a screw hole; 10. a sliding part; 11. a button; 12. an arc-shaped protruding portion; 13. a rubber plate; 14. a positioning part; 15. an elastic plate; 16. a groove; 17. a receiving groove; 18. and an inclined groove.

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.

Examples: referring to a circular workpiece holder shown in fig. 1-3, including processing board 1 and the movable rack 5 of symmetry setting on processing board 1 top, the driving piece that is used for driving two movable racks 5 to remove in opposite directions is installed on the top of processing board 1, mounting groove 7 has all been seted up to one side that two movable racks 5 are in opposite directions, and be embedded to be provided with splint 3 through mounting groove 7, positioning groove 8 has all been seted up to the inner wall both sides of mounting groove 7, the one end that two splint 3 are close all is fixed with arc protruding portion 12, and holding groove 17 has all been seted up at splint 3's both ends, the inner wall of holding groove 17 is fixed with elastic plate 15, the one end protrusion of elastic plate 15 is provided with the location portion 14 that coincide grafting in positioning groove 8, and recess 16 has been seted up to the other end of elastic plate 15, elastic plate 15 and the inclined groove 18 and the positioning groove 8 butt on of splint 3 lateral wall holding groove 17, extrusion location portion 14 and elastic plate 15 shrink to holding groove 17 until splint 3 are in the positioning groove 8 completely, elastic plate 15 promotes location portion 14 and makes it in positioning groove 8, the adjacent one end is fixed with arc protruding portion 12, and holding groove 15 is removed in the holding groove 17 from holding groove 5 in the moving from holding groove 8, and then moving in moving from holding groove 5.

As a preferred implementation manner in this embodiment, as shown in fig. 1 and fig. 2, both sides of the top end surface of the processing plate 1 are provided with sliding grooves 4, the driving piece is a screw rod 2 rotatably arranged between the two sliding grooves 4, the bottom ends of the two moving frames 5 are both fixed with sliding parts 10 which are anastomosed and inserted in the sliding grooves 4, the center position of the sliding parts 10 is provided with screw holes 9, two opposite ends of the screw rod 2 are respectively inserted in the two screw holes 9, one end of the screw rod 2 penetrates through the processing plate 1 to fixedly sleeve a knob 6, the knob 6 drives the screw rod 2 to rotate, the two opposite ends of the screw rod 2 in the screw thread direction respectively drive the two sliding parts 10 to move in opposite directions, and in the moving process, the moving frames 5 drive the clamping plates 3 to synchronously move, and the rubber plate 13 on the clamping plates 3 are abutted against the outer wall of the round workpiece.

As a preferred implementation manner in this embodiment, as shown in fig. 3 and fig. 4, the inner walls of the two arc-shaped protruding portions 12 are fixedly adhered with the rubber plates 13, the inner walls of the two rubber plates 13 are of arc-shaped structures, the rubber plates 13 of arc-shaped structures are abutted against the outer walls of the round workpieces, the influence of the round workpieces in the clamping process is reduced through the elasticity of the rubber plates 13, the two ends of the moving frame 5 are convexly provided with the push buttons 11, the push buttons 11 are slidably inserted into the positioning grooves 8 and abutted against the side walls of the positioning portions 14, the push buttons 11 push the positioning portions 14 in the positioning grooves 8, the positioning portions 14 drive the elastic plates 15 to elastically deform and retract into the accommodating grooves 17, the convenience of disassembling the clamping plates 3 is improved, the side walls of the positioning portions 14 are provided with inclined grooves 18, the inclined grooves 18 are abutted against the inner walls of the mounting grooves 7, the elastic plates 15 are extruded and contracted into the accommodating grooves 17 through the inclined grooves 18, the positioning portions 14 and the elastic plates 15 are completely inserted into the positioning grooves 8, and the clamping plates 15 push the positioning portions 14 to push the clamping plates 15 to push the clamping plates 3 to push the positioning portions 14 to be inserted into the positioning grooves 8.

The working principle of the utility model is as follows: when the clamping plate 3 is detached and replaced, a hand is inserted into the groove 16, the groove 16 drives the elastic plate 15 to move in the accommodating groove 17, the positioning part 14 is moved out of the positioning groove 8 in the moving process, the clamping plate 3 is detached from the moving frame 5, the replaced clamping plate 3 is inserted into the mounting groove 7, the elastic plate 15 in the accommodating groove 17 on the side wall of the clamping plate 3 is abutted with the positioning groove 8 through the inclined groove 18 on the elastic plate 15, the positioning part 14 and the elastic plate 15 are extruded to be contracted into the accommodating groove 17 until the clamping plate 3 is completely inserted into the positioning groove 8, the elastic plate 15 pushes the positioning part 14 to be anastomosed and spliced in the positioning groove 8, when a workpiece is clamped, the workpiece is placed on the top end of the processing plate 1, the knob 6 is held by hand to drive the screw 2 to rotate, two opposite ends of the screw 2 are respectively driven to move in opposite directions, the moving frame 5 is driven to drive the clamping plate 3 to synchronously move, and the rubber plate 13 on the clamping plate 3 is abutted with the outer wall of the circular workpiece in the moving process.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a circular work piece anchor clamps, includes processing board (1) and symmetry set up removal frame (5) on processing board (1) top, its characterized in that: the utility model discloses a processing board, including processing board (1), mounting groove (7) are all offered to the top of processing board (1) installed and are used for driving the driving piece that two remove frame (5) moved in opposite directions, two remove a side in frame (5) in opposite directions and all offered mounting groove (7) to be provided with splint (3) through the mounting groove (7) is embedded, constant head tank (8) are all offered to the inner wall both sides of mounting groove (7), two splint (3) close one end all is fixed with arc bellying (12), and holding tank (17) have all been offered at the both ends of splint (3), the inner wall of holding tank (17) is fixed with elastic plate (15), the one end protrusion of elastic plate (15) is provided with and coincide grafting location portion (14) in constant head tank (8), and recess (16) are offered to the other end of elastic plate (15).

2. A circular workpiece holder as claimed in claim 1, wherein: the two sides of the top end surface of the processing plate (1) are provided with sliding grooves (4), and the driving piece is a screw rod (2) which is rotatably arranged between the two sliding grooves (4).

3. A circular workpiece holder as claimed in claim 2, wherein: the bottom ends of the two movable frames (5) are respectively fixed with a sliding part (10) which is anastomosed and inserted in the sliding groove (4), and a screw hole (9) is formed in the center position of the sliding part (10).

4. A circular workpiece holder as claimed in claim 3, wherein: two ends of the screw rod (2) with opposite screw thread directions are respectively inserted into the two screw holes (9), and one end of the screw rod (2) penetrates through the processing plate (1) to be fixedly sleeved with the knob (6).

5. A circular workpiece holder as claimed in claim 1, wherein: the inner walls of the two arc-shaped protruding portions (12) are fixedly adhered with rubber plates (13), and the inner walls of the two rubber plates (13) are arc-shaped.

6. A circular workpiece holder as defined in claim 5, wherein: the two ends of the movable frame (5) are provided with buttons (11) in a protruding mode, and the buttons (11) are inserted into the positioning grooves (8) in a sliding mode and are abutted to the side walls of the positioning portions (14).

7. A circular workpiece holder as defined in claim 6, wherein: an inclined groove (18) is formed in the side wall of the positioning part (14), and the inclined groove (18) is abutted to the inner wall of the mounting groove (7).