CN219132079U

CN219132079U - Clamp for rapid clamping

Info

Publication number: CN219132079U
Application number: CN202320108358.0U
Authority: CN
Inventors: 周荣; 李波; 李祥波; 邹科
Original assignee: Chengdu Aiwei Machinery Co ltd
Current assignee: Chengdu Aiwei Machinery Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-06
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a clamp for rapid clamping, which comprises a mandrel, wherein the end part of the mandrel is rotatably provided with a universal head, the middle part of the mandrel is sleeved in a guide cylinder, the guide cylinder penetrates through a supporting seat, the lower end of the supporting seat is provided with a fixing device which is used for fixing the supporting seat on a clamp platform, one end of the guide cylinder is provided with an outer boss, the outer boss is provided with a plurality of locking screws, the mandrel is provided with a through hole, a transmission pin is arranged in the through hole, two ends of the transmission pin are positioned in a transmission nut, the transmission nut is arranged at the other end of the guide cylinder in a threaded manner, and the other end of the mandrel is arranged on a handle. The universal head rotates in a certain range, so that the positioning surface on the universal head is parallel to the clamping surface of the workpiece, the handle is rotated to drive the mandrel to rotate, and the transmission pin synchronously rotates.

Description

Clamp for rapid clamping

Technical Field

The utility model relates to the technical field of mechanical clamps, in particular to a clamp for rapid clamping.

Background

In machining, rapid clamping of workpieces is often carried out by vice clamps, but is usually used for two planes parallel to one another, namely a locating surface and a clamping surface, which are parallel to one another; because of the limitation of the structure of the workpiece, when the positioning surface and the clamping surface are inclined with each other, the clamping requirement can not be met by using the vice to clamp rapidly. Through long-term research by the inventor, a clamp for rapid clamping is invented.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a clamp for rapid clamping.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a anchor clamps for press from both sides tightly fast, including the dabber, the universal head is rotatably installed to the tip of dabber, the universal head is used for the tight work piece of top, the middle part suit of dabber is in the guide cylinder, and the guide cylinder runs through the supporting seat, the lower extreme of supporting seat is provided with fixing device, fixing device is used for fixing the supporting seat on anchor clamps platform, the one end of guide cylinder is provided with outer boss, install a plurality of locking screw on the outer boss, locking screw is used for fixing the guide cylinder on the supporting seat, the through-hole has been seted up to the dabber, install the driving pin in the through-hole, the both ends of driving pin are located the drive nut, and drive nut screw-thread mount is at the guide cylinder other end, the other end of dabber is installed at the handle.

Preferably, the transmission nut is provided with a plurality of grooves, and two ends of the transmission pin are respectively positioned in the corresponding grooves.

Preferably, the transmission nut and the universal head are positioned on the opposite side of the supporting seat.

Preferably, a rolling cavity is formed in the universal joint, and a ball head at the end part of the mandrel is positioned in the rolling cavity.

Preferably, the locking screws are circumferentially distributed on the outer boss.

Preferably, the end part of the mandrel is provided with an anti-rotation pin, the connecting section on the handle is provided with a limiting hole, and two ends of the anti-rotation pin are positioned in the limiting hole.

Preferably, the fixing device comprises a compression screw and a positioning pin, the positioning pin is used for positioning the supporting seat on the clamp platform, and the supporting seat is detachably arranged on the clamp platform through the compression screw.

The utility model has the following advantages: according to the utility model, the universal head rotates within a certain range, so that the positioning surface on the universal head is parallel to the clamping surface of the workpiece, and the handle is rotated, so that the mandrel is driven to rotate, at the moment, the transmission pin synchronously rotates, and the transmission nut is driven to move on the guide cylinder because the two ends of the transmission pin are positioned in the transmission nut, so that the distance between the universal head and the workpiece is changed, the universal head is abutted against the clamping surface of the workpiece, the influence on workpiece clamping caused by the difference of personnel skills is avoided, the operation is simple, and the workpiece can be rapidly clamped.

Drawings

FIG. 1 is a schematic cross-sectional structural view of a clamp;

FIG. 2 is a schematic top view of the clamp clamping a workpiece;

FIG. 3 is a schematic view of the structure of the clamp when clamping a workpiece;

in the figure, a handle, a core shaft, a rotating prevention pin, a locating pin, a pressing screw, a universal head, a locking screw, a guide cylinder, a supporting seat, a driving pin, a driving nut, a clamp platform, a workpiece, a groove, a locating surface and a clamping surface are respectively arranged on the clamping surface, wherein the clamping surface is provided with a clamping surface, and the clamping surface is provided with a clamping surface.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this embodiment, as shown in fig. 1, 2 and 3, a fixture for rapid clamping includes a mandrel 2, where a universal head 6 is rotatably installed at an end of the mandrel 2, preferably, a rolling cavity is formed in the universal head 6, and a ball at an end of the mandrel 2 is located in the rolling cavity. The universal head 6 is used for propping up tightly the work piece 13, the middle part suit of dabber 2 is in guide cylinder 8, and guide cylinder 8 runs through supporting seat 9, the lower extreme of supporting seat 9 is provided with fixing device, fixing device is used for fixing supporting seat 9 on anchor clamps platform 12, the one end of guide cylinder 8 is provided with outer boss, install a plurality of locking screw 7 on the outer boss, locking screw 7 is used for fixing guide cylinder 8 on supporting seat 9, the through-hole has been seted up on dabber 2, install driving pin 10 in the through-hole, driving pin 10's both ends are located driving nut 11, and driving nut 11 screw-thread mount is at the guide cylinder 8 other end, handle 1 is installed to the other end of dabber 2. The staff makes the locating surface 15 on the universal head 6 parallel with the clamping surface 16 of the workpiece 13 through rotating the handle 1 by rotating the universal head 6 within a certain range, so that the mandrel 2 is driven to rotate, and at the moment, the transmission pin 10 synchronously rotates, and as the two ends of the transmission pin 10 are positioned in the transmission nut 11, the transmission nut 11 is driven to move on the guide cylinder 8, so that the distance between the universal head 6 and the workpiece 15 is changed, the distance between the universal head 6 and the workpiece 15 is enabled to be propped against the clamping surface 16 of the workpiece 15, the influence on the clamping of the workpiece 15 due to the difference of the skill of the staff is avoided, the operation is simple, and the rapid clamping of the workpiece 15 can be realized. In this embodiment, the universal head 6 is rotatably mounted at the end of the mandrel 2 by a conventional method, and the universal head 6 can rotate within ±15° without modification.

Further, a plurality of grooves 14 are formed in the transmission nut 11, and two ends of the transmission pin 10 are respectively located in the corresponding grooves 14. Still further, the driving nut 11 and the universal head 6 are located at opposite sides of the supporting seat 9. Specifically, the handle 1 is turned to drive the mandrel 2 to rotate, at this time, the driving pin 10 rotates synchronously, two ends of the driving pin 10 interfere with the grooves 14 on the driving nut 11 to drive the driving nut 11 to rotate, and since the driving nut 11 is mounted on the outer side of the guide cylinder 8 in a threaded manner, the driving nut 11 moves towards the direction of the supporting seat 9, so that the universal head 6 on the mandrel 2 abuts against the clamping surface 16 of the workpiece 15, and rapid clamping is completed.

In this embodiment, the locking screws 7 are circumferentially distributed on the outer boss. Specifically, the locking screws 7 are circumferentially distributed on the outer boss, so that stability of the guide cylinder 8 when fixedly mounted on the supporting seat 9 can be ensured.

Further, the end part of the mandrel 2 is provided with an anti-rotation pin 3, a connecting section on the handle 1 is provided with a limiting hole, and two ends of the anti-rotation pin 3 are positioned in the limiting hole. Specifically, when the handle 1 is turned, since the two ends of the anti-rotation pin 3 are located in the limiting holes, the anti-rotation pin 3 is driven to rotate, and the mandrel 2 is driven to rotate.

Still further, the fixing device comprises a compression screw 5 and a positioning pin 4, wherein the positioning pin 4 is used for positioning a supporting seat 9 on a clamp platform 12, and the supporting seat 9 is detachably arranged on the clamp platform 12 through the compression screw 5.

Although the present utility model has been described 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 and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A clamp for rapid clamping, characterized in that: including dabber (2), universal head (6) are rotatably installed to the tip of dabber (2), universal head (6) are used for pushing up tight work piece (13), the middle part suit of dabber (2) is in guide cylinder (8), just guide cylinder (8) run through supporting seat (9), the lower extreme of supporting seat (9) is provided with fixing device, fixing device is used for with supporting seat (9) are fixed on anchor clamps platform (12), the one end of guide cylinder (8) is provided with outer boss, install a plurality of locking screw (7) on the outer boss, locking screw (7) are used for with guide cylinder (8) are fixed on supporting seat (9), the through-hole has been seted up on dabber (2), install driving pin (10) in the through-hole, the both ends of driving pin (10) are located drive nut (11), just drive nut (11) threaded mounting is in guide cylinder (8) other end, the other end of dabber (2) is installed in handle (1).

2. A clamp for quick clamping as defined in claim 1, wherein: a plurality of grooves (14) are formed in the transmission nut (11), and two ends of the transmission pin (10) are respectively located in the grooves (14).

3. A clamp for quick clamping as defined in claim 2, wherein: the transmission nut (11) and the universal head (6) are positioned at the opposite side of the supporting seat (9).

4. A clamp for quick clamping as defined in claim 3, wherein: a rolling cavity is formed in the universal head (6), and the end ball head of the mandrel (2) is located in the rolling cavity.

5. A clamp for quick clamping as defined in claim 4, wherein: the locking screws (7) are circumferentially distributed on the outer boss.

6. A clamp for quick clamping as defined in claim 5, wherein: the anti-rotation pin (3) is installed at the end part of the mandrel (2), a limiting hole is formed in the connecting section of the handle (1), and two ends of the anti-rotation pin (3) are located in the limiting hole.

7. A clamp for quick clamping as defined in claim 6, wherein: the fixing device comprises a compression screw (5) and a locating pin (4), wherein the locating pin (4) is used for locating the supporting seat (9) on the clamp platform (12), and the supporting seat (9) is detachably arranged on the clamp platform (12) through the compression screw (5).