CN113977470B

CN113977470B - Multipurpose quick clamping bench vice

Info

Publication number: CN113977470B
Application number: CN202111413363.4A
Authority: CN
Inventors: 赵传强; 丁凌敏
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2023-07-18
Anticipated expiration: 2041-11-25
Also published as: CN113977470A

Abstract

The invention discloses a multipurpose quick clamping bench vice, which comprises a base and a support arranged on the base, wherein a rotary sleeve is arranged on the support in a penetrating way, and a push-pull sleeve is arranged in the rotary sleeve in a sliding fit way; one end of the push-pull sleeve is fixedly provided with a movable clamp, and the rotary sleeve is provided with a fixed clamp close to one end of the movable clamp; the rotary sleeve is internally provided with a lock nut, the push-pull sleeve is internally provided with a screw rod, one end of the screw rod is in limit fit with the movable clamp, and the other end of the screw rod is in locking fit with the lock nut, so that a quick clamping function is realized. The beneficial effects of the invention are as follows: the movable clamp is arranged on the push-pull sleeve, the fixed clamp is arranged on the rotary sleeve, and the quick clamping of the bench vice can be realized through the sliding fit of the push-pull sleeve and the rotary sleeve, so that the processing efficiency is improved.

Description

Multipurpose quick clamping bench vice

Technical Field

The invention relates to the technical field of mechanical processing bench vices, in particular to a multipurpose quick clamping bench vice.

Background

The bench vice is a universal fixture for clamping workpieces, is assembled on a workbench, is used for clamping and stably processing the workpieces, and is a necessary tool in a bench work shop. The structure and the function of the bench vice on the market are relatively single, simple clamping can be only carried out, the clamping process is axially advanced through the rotation of the screw rod, the screw rod is required to be continuously rotated for a plurality of circles in the clamping process, and the clamping adjustment speed is low; in addition, the jaw of the existing bench vice is single, the jaw is fixed, and the jaw cannot be adjusted in the processing process; therefore, it can be seen that the bench vice structure in the prior art is not perfect, and development of a multipurpose quick clamping bench vice is needed to meet various requirements of bench workers.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a multipurpose quick clamping bench vice with reasonable structural design.

The technical scheme of the invention is as follows:

a multipurpose quick clamping bench vice comprises a base and a support arranged on the base, wherein a rotary sleeve is arranged on the support in a penetrating manner, and a push-pull sleeve is arranged in the rotary sleeve in a sliding fit manner; one end of the push-pull sleeve is fixedly provided with a movable clamp, and the rotary sleeve is provided with a fixed clamp close to one end of the movable clamp; the rotary sleeve is internally provided with a lock nut, the push-pull sleeve is internally provided with a screw rod, one end of the screw rod is in limit fit with the movable clamp, and the other end of the screw rod is in locking fit with the lock nut, so that a quick clamping function is realized.

Further, a worm is arranged on the support, a turbine matched with the worm is arranged on the outer wall of the rotary sleeve, a rotary handle is arranged at the top end of the worm, and the turbine is driven by the worm through the rotary handle, so that the rotary sleeve is driven to rotate.

Further, lock nut includes nut and latch segment, the screw hole has been seted up along the axis in nut center, the blind hole that sets up with the screw hole is seted up to nut one end, and the blind hole inner wall has seted up the through-hole along radial relative position department, just the latch segment cooperation sets up in the through-hole.

Further, the lead screw comprises a lead screw head part, a lead screw polished rod part, a lead screw thread part and a lead screw tail part, wherein the lead screw head part is larger than the lead screw polished rod part in size, the lead screw tail part is provided with a taper, and the lead screw tail part is matched with the locking block, so that the locking block can be clung to the inner wall of the rotary sleeve.

Furthermore, the support is provided with a fixing bolt in a penetrating way, and the rotating sleeve can be fixed in a rotating position through the fixing bolt.

Further, the support comprises a lower support and an upper support, semicircular holes are respectively formed in the relative positions of the lower support and the upper support, and a circular hole for installing the rotary sleeve is formed between the lower support and the upper support.

Further, a sliding groove is formed in the inner wall of the rotary sleeve, and sliding blocks matched with the sliding groove are arranged on the outer walls of the push-pull sleeve and the locking nut.

Furthermore, the fixed clamp and the movable clamp are provided with jaws around correspondingly.

Furthermore, the rotary handle is fixedly arranged at the outer end of the screw rod, so that the screw rod can rotate conveniently.

Furthermore, the outer side of the support is provided with scales along the circumference of the rotary sleeve, and the scales are used for accurately adjusting the rotation angle of the rotary sleeve.

The beneficial effects of the invention are as follows:

1) The movable clamp is arranged on the push-pull sleeve, the fixed clamp is arranged on the rotary sleeve, and the quick clamping of the bench vice can be realized through the sliding fit of the push-pull sleeve and the rotary sleeve, so that the processing efficiency is improved.

2) The turbine is arranged on the outer wall of the rotary sleeve, synchronous rotation of the rotary sleeve and the push-pull sleeve can be realized through the worm on the support, and then the clamping angles of the fixed clamp and the movable clamp and the switching of the jaws are adjusted, so that the processing universality is better.

3) The locking nut is arranged in the rotary sleeve, the screw rod is arranged in the push-pull sleeve, and the position locking of the push-pull sleeve and the pre-tightening of the movable clamp can be realized through the cooperation of the screw rod and the locking nut, so that the quick fixing is realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of a semi-sectional structure of the present invention;

FIG. 3 is a schematic view of a connection structure of a lock nut and a screw rod according to the present invention;

FIG. 4 is a schematic view of the worm and worm wheel connection structure of the present invention;

FIG. 5 is a schematic view of a nut according to the present invention;

FIG. 6 is a schematic view of a screw structure according to the present invention;

in the figure: 1. a base; 2. a lower support; 3. an upper support; 4. rotating the handle; 5. rotating the sleeve; 6. a fixing bolt; 7. a fixed clamp; 8. a movable clamp; 9. a push-pull sleeve; 10. a screw rod; 1001. a screw head; 1002. a screw rod polish rod part; 1003. a screw thread part of the screw rod; 1004. the tail part of the screw rod; 11. a locking block; 12. a nut; 1201. a threaded hole; 1202. a blind hole; 1203. a through hole; 13. a turbine; 14. a worm; 15. rotating the handle; 16. a slide block; 17. and a sliding groove.

Detailed Description

The invention is further described below with reference to the drawings.

As shown in fig. 1 to 6, a multipurpose quick clamping bench vice comprises a base 1, a lower support 2, an upper support 3, a rotary handle 4, a rotary sleeve 5, a fixed bolt 6, a fixed clamp 7, a movable clamp 8, a push-pull sleeve 9, a screw 10, a screw head 1001, a screw polish rod 1002, a screw thread 1003, a screw tail 1004, a locking block 11, a nut 12, a threaded hole 1201, a blind hole 1202, a through hole 1203, a turbine 13, a worm 14, a rotary handle 15, a slide block 16 and a slide groove 17.

Examples:

the support sets up on base 1, and the support includes lower support 2 and upper support 3, and lower support 2 and upper support 3 relative position are equipped with the semicircle orifice respectively, and the centre forms a round hole that supplies rotatory sleeve 5 installation to wear to establish after the upper and lower support concatenation.

The rotary sleeve 5 is arranged on the support in a penetrating way, and a push-pull sleeve 9 is arranged in the rotary sleeve 5 in a sliding fit way; the movable clamp 8 is fixedly arranged at one end of the push-pull sleeve 9, the fixed clamp 7 is arranged at one end of the rotary sleeve 5 close to the movable clamp 8, and the movable clamp 8 can be quickly close to or far away from the fixed clamp 7 through sliding of the push-pull sleeve 9 in the rotary sleeve 5.

Sliding grooves 17 are arranged at the opposite positions of the inner wall of the rotary sleeve 5, and sliding blocks 16 matched with the sliding grooves 17 are arranged on the outer walls of the push-pull sleeve 9 and the locking nut.

The locking nut is arranged in the rotary sleeve 5, the screw rod 10 is arranged in the push-pull sleeve 9, one end of the screw rod 10 is in limit fit with the movable clamp 8, and the other end of the screw rod is in locking fit with the locking nut, so that locking and positioning of the push-pull sleeve 9 are realized.

The support is provided with a worm 14, the outer wall of the rotary sleeve 5 is provided with a turbine 13 matched with the worm 14, the top end of the worm 14 is provided with a rotary handle 4, the worm 14 is driven by the rotary handle 4 to drive the turbine 13, so that the rotary sleeve 5 is driven to rotate, and the push-pull sleeve 9 is also driven to rotate together while the rotary sleeve 5 rotates due to the fact that the push-pull sleeve 9 is in sliding fit in the rotary sleeve 5.

The fixing bolts 6 are arranged on the support in a penetrating manner, and the rotary sleeve 5 can be fixed in a rotary position through the fixing bolts 6, so that the angle fixing of the fixed clamp 7 and the movable clamp 8 is realized, and the product processing is facilitated.

The screw 10 comprises a screw head 1001, a screw polish rod portion 1002, a screw thread portion 1003 and a screw tail portion 1004, wherein the screw head 1001 is larger than the screw polish rod portion 1002 in size, the screw tail portion 1004 is provided with a taper, and the screw tail portion 1004 is matched with the locking block 11, so that the locking block 11 can be tightly attached to the inner wall of the rotary sleeve 5.

The screw head 1001 is provided with a rotation handle 15, and the screw 10 can be rotated by the rotation handle 15.

The lock nut comprises a nut 12 and a lock block 11, wherein a threaded hole 1201 is formed in the center of the nut 12 along the axis, a blind hole 1202 concentric with the threaded hole 1201 is formed in one end of the nut 12, the size of the blind hole 1202 is larger than that of the threaded hole 1201, a through hole 1203 is formed in the inner wall of the blind hole 1202 at the radial opposite position, the lock block 11 is matched with the through hole 1203, and under the taper effect of the tail 1004 of the screw rod, the two lock blocks 11 which are oppositely arranged are driven to move in opposite directions, so that the lock block is tightly propped against the inner wall of the rotary sleeve 5.

The fixed clamp 7 and the movable clamp 8 adopt quadrilateral structures, the jaws are arranged at the corresponding positions around the fixed clamp 7 and the movable clamp 8, the jaws around the fixed clamp are different, and the jaws can be switched by rotating the rotating sleeve and the push-pull sleeve so as to adapt to different workpiece clamping requirements.

The outer side of the support is provided with scales along the circumferential direction of the rotary sleeve 5, and the rotary angle of the rotary sleeve 5 can be visually observed through the scales, so that the rotary precision can be controlled by an operator more conveniently.

Working principle:

the workpiece is placed at the clamping gap between the movable clamp and the fixed clamp, the movable clamp is pushed to move close to the fixed clamp rapidly under the action of the push-pull sleeve, after the movable clamp moves in place, the rotary handle rotates, the screw rod and the nut generate axial displacement (the nut moves rightwards as shown in figure 3), the locking block generates radial displacement under the action of the taper of the tail part of the screw rod, the inner wall of the rotary sleeve is propped tightly to clamp the workpiece, and at the moment, the rotary handle can be rotated continuously, so that the nut moves slightly again to generate pretightening force, and the workpiece is clamped between the movable clamp and the fixed clamp stably. If jaw switching or jaw rotation is needed, the worm can be driven by rotating the rotary handle, the worm drives the turbine, and the turbine drives the rotary sleeve and the push-pull sleeve to rotate, so that angle adjustment is realized.

The above embodiments are only preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present invention.

Claims

1. The multipurpose quick clamping bench vice comprises a base (1) and a support seat arranged on the base (1), and is characterized in that a rotary sleeve (5) is arranged on the support seat in a penetrating manner, and a push-pull sleeve (9) is arranged in the rotary sleeve (5) in a sliding fit manner; a movable clamp (8) is fixedly arranged at one end of the push-pull sleeve (9), and a fixed clamp (7) is arranged at one end of the rotary sleeve (5) close to the movable clamp (8); a lock nut is arranged in the rotary sleeve (5), a screw rod (10) is arranged in the push-pull sleeve (9), one end of the screw rod (10) is in limit fit with the movable clamp (8), and the other end of the screw rod is in lock fit with the lock nut; the support is provided with a worm (14), the outer wall of the rotary sleeve (5) is provided with a turbine (13) matched with the worm (14), the top end of the worm (14) is provided with a rotary handle (4), and the worm (14) is driven by the rotary handle (4) to drive the turbine (13), so that the rotary sleeve (5) is driven to rotate; the locking nut comprises a nut (12) and a locking block (11), a threaded hole (1201) is formed in the center of the nut (12) along the axis, a blind hole (1202) concentric with the threaded hole (1201) is formed in one end of the nut (12), a through hole (1203) is formed in the inner wall of the blind hole (1202) at the position opposite to the inner wall in the radial direction, and the locking block (11) is matched and arranged in the through hole (1203); the screw rod (10) comprises a screw rod head (1001), a screw rod polished rod portion (1002), a screw rod threaded portion (1003) and a screw rod tail portion (1004), wherein the screw rod head (1001) is larger than the screw rod polished rod portion (1002), the screw rod tail portion (1004) is provided with a taper, and the screw rod tail portion (1004) is matched with the locking block (11), so that the locking block (11) can be tightly attached to the inner wall of the rotary sleeve (5).

2. The multipurpose quick clamping bench vice according to claim 1, wherein the support is provided with a fixing bolt (6) in a penetrating manner, and the rotary sleeve (5) can be fixed in a rotary position through the fixing bolt (6).

3. The multipurpose quick clamping bench vice according to claim 1, wherein the support comprises a lower support (2) and an upper support (3), and semicircular holes are respectively formed in the opposite positions of the lower support (2) and the upper support (3).

4. The multipurpose quick clamping bench vice according to claim 1, wherein the inner wall of the rotary sleeve (5) is provided with a sliding groove (17), and the outer walls of the push-pull sleeve (9) and the locking nut are provided with sliding blocks (16) matched with the sliding groove (17).

5. The multipurpose quick clamping bench vice according to claim 1, wherein the fixed clamp (7) and the movable clamp (8) are respectively provided with a jaw at the periphery.

6. The multipurpose quick clamping bench vice according to claim 1, wherein the screw rod (10) is fixedly provided with a rotary handle (15) at the outer end.

7. A multipurpose quick clamping vise according to claim 1, characterised in that said support outer side is provided with graduations along the circumference of the rotating sleeve (5).