CN108927684B

CN108927684B - Multifunctional bench vice

Info

Publication number: CN108927684B
Application number: CN201811129368.2A
Authority: CN
Inventors: 林万春
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2023-11-28
Anticipated expiration: 2038-09-27
Also published as: CN108927684A

Abstract

The technical scheme of the invention is that the multifunctional bench vice comprises a base, a front jaw and a rear jaw, wherein the front jaw is connected in the rear jaw through a screw-nut mechanism and can move forwards or backwards along the screw of the rear jaw, the rear jaw is connected on the base through a rear jaw fixing seat, the rear jaw is inserted into the rear jaw fixing seat and can freely rotate around the axis direction of the rear jaw fixing seat, and a positioning locking device for locking the relative positions of the rear jaw and the rear jaw fixing seat is detachably arranged between the rear jaw and the rear jaw fixing seat. The invention has novel structure, can process the same angle position at one time without disassembling parts, avoids positioning errors of the re-clamping and improves the processing precision.

Description

Multifunctional bench vice

Technical Field

The invention relates to a bench vice, in particular to a multifunctional bench vice.

Background

The bench vice is a common machining and repairing tool, generally comprises a base, a front movable jaw, a rear fixed jaw, a tightening screw rod, a nut and other parts, and is used as a clamping tool, and has wide application range and good practicability. However, the existing bench vice has some defects, when a workpiece is machined, the workpiece cannot be clamped once when the workpiece is required to be simultaneously subjected to inclined plane drilling or milling, the workpiece is required to be disassembled firstly and then clamped at an angle again, and when a groove is required to be milled, an additional tool carriage is required to be added, so that the unavoidable workload is generated, the investment on the tool carriage which is not used frequently is avoided, the machining requirement cannot be guaranteed, and the positioning is not accurate.

Disclosure of Invention

Aiming at the problems, the invention aims to provide the multifunctional bench vice which has novel structure, can process a plurality of positions of the same workpiece by one-time clamping, does not need to detach parts, avoids positioning errors of the re-clamping, simplifies the processing procedure and meets more processing requirements.

The technical scheme of the invention is that the multifunctional bench vice comprises a base, a front jaw and a rear jaw, wherein the front jaw is connected in the rear jaw through a screw-nut mechanism and can move forwards or backwards along the screw of the rear jaw, the rear jaw is connected on the base through a rear jaw fixing seat, the rear jaw is inserted into the rear jaw fixing seat and can freely rotate around the axis direction of the rear jaw fixing seat, and a positioning locking device for locking the relative positions of the rear jaw and the rear jaw fixing seat is detachably arranged between the rear jaw and the rear jaw fixing seat.

Preferably, the outer surface of the rear jaw and the inner surface of the rear jaw fixing seat are both circumferential surfaces, an annular groove penetrating through the surface is formed in the rear jaw fixing seat, corresponding annular grooves are formed in the outer surface of the rear jaw, lug connecting portions are arranged on two side surfaces of the rear jaw fixing seat, the positioning locking device is an annular clamp, two ends of the clamp are respectively connected to the lug connecting portions, and the middle part of the clamp penetrates through the annular groove and then is extruded in the annular groove to lock the rear jaw in the rear jaw fixing seat.

Preferably, the outer surface of the rear jaw and the inner surface of the rear jaw fixing seat are both gyrorotor, the outer surface of the rear jaw is provided with teeth, the inner surface of the rear jaw fixing seat is provided with meshed teeth, the teeth and the teeth are meshed and rotated through a gear ring, the positioning locking device is a locking pin device, and the locking between the rear jaw and the rear jaw fixing seat is realized through the insertion of the locking pin device.

Preferably, the section shape of the front jaw inserted into the rear jaw is U-shaped, the bottom surface of the rear jaw is connected with a trapezoidal nut, the front jaw is connected in the trapezoidal nut through a trapezoidal screw, and the front end of the screw extends out of the front jaw and is connected with a stress application rod.

Preferably, the base includes carousel fixing base and takes the recess carousel, back jaw fixing base is connected on taking the recess carousel, the carousel fixing base is fixed on the workstation, take recess carousel bottom surface and carousel fixing base top internal surface to be solid of revolution and both size looks adaptations, take the recess carousel to freely revolute the axis rotation of dish fixing base direction of height, carousel fixing base internal surface is big-end-up's inclined plane, be provided with the clamp screw on taking the recess carousel, the clamp screw bottom is connected with the clamp disc, the clamp disc is located the carousel fixing base internal surface, drives clamp disc upward movement block lock through the clamp of clamp screw and locks the relative motion between take recess carousel and the carousel fixing base internal surface.

Preferably, the top of the grooved turntable is provided with a dovetail groove along the axis direction of the rear jaw fixing seat, the bottom of the rear jaw fixing seat is adaptive to the dovetail groove, the rear jaw fixing seat can freely slide along the dovetail groove on the grooved turntable, the bottom of the rear jaw fixing seat is provided with a nut, the front end of the grooved turntable is connected with a screw rod, the screw rod nut mechanism drives the rear jaw fixing seat to slide along the dovetail groove on the grooved turntable, the side surface of the grooved turntable is provided with a through threaded hole, the threaded hole is provided with a locking screw, the front end of the locking screw is provided with an inclined plane locking block locked with the outer side surface of the bottom of the rear jaw fixing seat, and the inclined plane locking block is driven to abut against the outer side of the bottom of the rear jaw fixing seat to lock relative movement between the rear jaw fixing seat and the grooved turntable by tightening the locking screw.

Preferably, the front jaw and the rear jaw are provided with a transverse V-shaped groove and a vertical V-shaped groove on the clamping surfaces.

The bench vice has multiple degrees of freedom in directions after clamping a workpiece, can rotate along an X axis and a Z axis to position and lock, can slide back and forth along the X axis to lock, improves jaw parts, is suitable for clamping workpieces with various shapes, can be used for multiple times of machining in one-time clamping, does not need secondary clamping, and improves machining benefits and accuracy.

Drawings

FIG. 1 is a cross-sectional view of the invention in a front view;

FIG. 2 is a cross-sectional view of the invention in a left-hand state;

FIG. 3 is a cross-sectional view of the present invention in a top view;

FIG. 4 is a schematic view of a structure of a rotor holder according to the present invention;

FIG. 5 is a schematic view of the structure of the clamping disk of the present invention;

FIG. 6 is a schematic view of the front jaw structure of the present invention;

FIG. 7 is a schematic view of the rear jaw structure of the present invention;

FIG. 8 is a schematic view of a rear jaw mounting of the present invention;

FIG. 9 is a schematic diagram of a grooved turntable;

FIG. 10 is a schematic view of the structure at the jaws;

wherein: 1-a base; 2-front jaw; 3-a rear jaw; 4-a rear jaw fixing seat; 5-positioning and locking device; 51-clamping hoop; 6-an annular groove; 7-ring grooves; 8-a lug connection; 9-a trapezoidal nut; 10-a screw; 11-a stress application rod; 12-a turntable fixing seat; 13-grooved turntable; 14-clamping screws; 15-clamping the disc; 16-dovetail groove; 17-a nut; 18-a screw rod; 19-locking screws; 20-an inclined plane locking block; 21-a transverse V-shaped groove; 22-vertical V-shaped groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 10, the invention provides a multifunctional bench vice, which comprises a base 1, a front jaw 2 and a rear jaw 3, wherein the front jaw 2 is connected in the rear jaw 3 through a screw-nut mechanism and can move forwards or backwards along the screw of the rear jaw 3, the rear jaw 3 is connected on the base 1 through a rear jaw fixing seat 4, the rear jaw 3 is inserted into the rear jaw fixing seat 4 and can rotate freely around the axis direction of the rear jaw fixing seat 4, and a positioning locking device 5 for locking the relative position of the rear jaw 3 and the rear jaw fixing seat 4 is detachably arranged between the rear jaw 3 and the rear jaw fixing seat 4.

Preferably, the outer surface of the rear jaw 3 and the inner surface of the rear jaw fixing seat 4 are both circumferential surfaces, an annular groove 6 penetrating through the surface is formed in the rear jaw fixing seat 4, a corresponding annular groove 7 is formed in the outer surface of the rear jaw 3, lug connection portions 8 are arranged on two sides of the rear jaw fixing seat 4, the positioning locking device 5 is an annular clamp 51, two ends of the clamp 51 are respectively connected to the lug connection portions 8, and the middle of the clamp 51 penetrates through the annular groove 6 and then is extruded in the annular groove 7 to lock the rear jaw 3 in the rear jaw fixing seat 4.

Preferably, the outer surface of the rear jaw 3 and the inner surface of the rear jaw fixing seat 4 are both gyrorotor, and the outer surface of the rear jaw 3 is provided withTooth teethThe inner surface of the rear jaw fixing seat 4 is provided with meshed partsTooth teethThe two are meshed and rotated through the gear ring, the positioning locking device 5 is a locking pin device, and the locking between the rear jaw 3 and the rear jaw fixing seat 4 is realized through the insertion of the locking pin device.

Preferably, the upper surface of the rear jaw fixing seat 4 is provided with a scale for visually displaying the rotation angle of the rear jaw 3 relative to the rear jaw fixing seat 4

Preferably, the front jaw 2 is inserted into the rear jaw 3, the cross section is U-shaped, the bottom surface of the rear jaw 3 is connected with a trapezoidal nut 9, the front jaw 2 is connected in the trapezoidal nut 9 through a screw 10 in a threaded manner, and the front end of the screw 10 extends out of the front jaw 2 and is connected with a stress application rod 11.

Preferably, the base 1 includes carousel fixing base 12 and fluted carousel 13, back jaw fixing base 4 is connected on fluted carousel 13, carousel fixing base 12 is fixed on the workstation, fluted carousel 13 bottom surface and carousel fixing base 12 top internal surface are the solid of revolution and both size looks adaptation, fluted carousel 13 can freely revolute the axis rotation of the direction of height of carousel fixing base 12, carousel fixing base 12 internal surface is the inclined plane of big end down, be provided with clamping screw 14 on the fluted carousel 13, clamping screw 14 bottom is connected with clamping disk 15, clamping disk 15 is located carousel fixing base 12 internal surface, drives clamping disk 15 upward movement block through clamping screw 14 and locks the relative motion between fluted carousel 13 and the carousel fixing base 12 at carousel fixing base 12 internal surface, be provided with the angle scale on the fluted carousel 13, intuitively show fluted carousel 13 relative carousel fixing base 12 pivoted angle. .

Preferably, the top of the grooved turntable 13 is provided with a dovetail groove 16 along the axial direction of the rear jaw fixing seat 4, the bottom of the rear jaw fixing seat 4 is matched with the dovetail groove 16, the rear jaw fixing seat 4 can freely slide along the dovetail groove 16 on the grooved turntable 13, the bottom of the rear jaw fixing seat 4 is provided with a nut 17, the front end of the grooved turntable 13 is connected with a screw rod 18, the rear jaw fixing seat 4 is driven by a screw rod nut mechanism to slide along the dovetail groove 16 on the grooved turntable 13, the side surface of the grooved turntable 13 is provided with a through threaded hole, the threaded hole is provided with a locking screw 19, the front end of the locking screw 19 is provided with an inclined locking block 20 locked with the outer side surface of the bottom of the rear jaw fixing seat 4, the inclined locking block 20 is driven to abut against the outer side of the bottom surface of the rear jaw fixing seat 4 to lock the relative movement between the rear jaw fixing seat 4 and the grooved turntable 13 through the tightening of the locking screw 19, the rear jaw fixing seat 4 is provided with a length scale, and the displacement of the rear jaw fixing seat 4 sliding along the length direction of the grooved turntable 13 is intuitively displayed.

Preferably, the clamping surfaces of the front jaw 2 and the rear jaw 3 are provided with a transverse V-shaped groove 21 and a vertical V-shaped groove 22.

The invention improves the traditional bench vice, through adding a plurality of parts and carrying out optimal design assembly, the bench vice of the invention can increase the function of rotating the rear jaw 3 around the X axis on the basis of inheriting the motion of the front jaw 2 of the traditional bench vice along the X axis direction, and particularly, the invention is realized by the rotation motion between the rear jaw 3 and the rear jaw fixing seat 4 and the positioning locking device 5, wherein the positioning locking device 5 can be a clamp 51, the clamp 51 passes through the annular groove 6 and then is tightly held in the annular groove 7 to realize the locking between the rear jaw 3 and the rear jaw fixing seat 4, thus the workpiece can be turned over and processed at a switching angle when the workpiece is clamped once, in addition, the base 1 is made into a split type turntable fixing seat 12 and a grooved turntable 13, the degree of freedom of rotating the turntable fixing seat 12 with grooves (namely, Z axis) is increased, the degree of freedom of rotating the turntable fixing seat with grooves is locked through a clamping disc 15 and a clamping screw 14, and simultaneously the rear jaw fixing seat 4 can be locked through a screw mechanism and a groove 16 along the length direction (namely, the Z axis direction) of the turntable fixing seat with grooves 13 is locked through a locking screw 20, and the degree of freedom of rotation is driven through a locking screw 20. The bench vice provided by the invention has multiple degrees of freedom after once clamping, and the workpiece is not required to be disassembled when a plurality of parts of the workpiece are processed, so that the error of twice clamping is avoided.

The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, but any simple modification, equivalent variation or modification (using manual or mechanical) of the above embodiments according to the technical principles and rotation modes of the present invention still falls within the scope of the technical solutions of the present invention.

Claims

1. The utility model provides a multifunctional bench vice, includes base (1), front jaw (2) and back jaw (3), front jaw (2) are connected in back jaw (3) and can follow back jaw (3) screw forward or back motion, its characterized in that through screw-nut mechanism: the rear jaw (3) is connected to the base (1) through a rear jaw fixing seat (4), the rear jaw (3) is inserted into the rear jaw fixing seat (4) and can freely rotate around the axis direction of the rear jaw fixing seat (4), and a positioning locking device (5) for locking the relative positions of the rear jaw (3) and the rear jaw fixing seat (4) is detachably arranged between the rear jaw and the rear jaw fixing seat; the outer surface of the rear jaw (3) and the inner surface of the rear jaw fixing seat (4) are both circumferential surfaces, an annular groove (6) penetrating through the surface is formed in the rear jaw fixing seat (4), corresponding annular grooves (7) are formed in the outer surface of the rear jaw (3), lug connecting portions (8) are formed in two side surfaces of the rear jaw fixing seat (4), the positioning locking device (5) is an annular clamp (51), two ends of the clamp (51) are respectively connected to the lug connecting portions (8), and the middle part of the clamp (51) penetrates through the annular groove (6) and then is extruded in the annular grooves (7) to lock the rear jaw (3) in the rear jaw fixing seat (4); the base (1) comprises a turntable fixing seat (12) and a turntable with a groove (13), the rear jaw fixing seat (4) is connected to the turntable with the groove (13), the turntable fixing seat (12) is fixed on a workbench, the outer surface of the bottom of the turntable with the groove (13) and the inner surface of the top of the turntable fixing seat (12) are both rotary bodies and are adaptive in size, the turntable (13) with the groove can freely rotate around the axis of the turntable fixing seat (12) in the height direction, the inner surface of the turntable fixing seat (12) is an inclined surface with the size being lower and larger, a clamping screw (14) is arranged on the turntable (13) with the groove, a clamping disc (15) is connected to the bottom end of the clamping screw (14), and the clamping disc (15) is positioned in the inner surface of the turntable fixing seat (12), and is driven by the clamping screw (14) to move upwards to be blocked on the inner surface of the turntable fixing seat (12) so as to block the relative movement between the turntable (13) with the groove and the turntable fixing seat (12). The novel clamping jaw comprises a rear jaw fixing seat (4), and is characterized in that a dovetail groove (16) is formed in the top of the rear jaw fixing seat (13) along the axis direction of the rear jaw fixing seat (4), the bottom of the rear jaw fixing seat (4) is matched with the dovetail groove (16), the rear jaw fixing seat (4) can freely slide along the dovetail groove (16) on the rear jaw fixing seat (13), a nut (17) is arranged at the bottom of the rear jaw fixing seat (4), a screw rod (18) is connected to the front end of the rear jaw fixing seat (13), the rear jaw fixing seat (4) is driven by a screw rod nut mechanism to slide in the dovetail groove (16) on the rear jaw fixing seat (13), a threaded hole is formed in the side face of the rear jaw fixing seat (13), a locking screw (19) is formed in the threaded hole, and a bevel locking block (20) locked with the outer side face of the bottom of the rear jaw fixing seat (4) is driven by tightening the locking screw (19) to abut against the outer side of the bottom of the rear jaw fixing seat (4) so as to lock relative movement between the rear jaw (4) and the rear jaw fixing seat (13).

2. The multi-function vise of claim 1, wherein: the outer surface of the rear jaw (3) and the inner surface of the rear jaw fixing seat (4) are both revolution bodies, the outer surface of the rear jaw (3) is provided with teeth, the inner surface of the rear jaw fixing seat (4) is provided with meshed teeth, the teeth and the teeth are meshed and rotate through the teeth, the positioning locking device (5) is a locking pin device, the rear jaw (3) and the rear jaw fixing seat (4) are locked through the insertion of the locking pin device, and the rear jaw (3) rotates relative to the rear jaw fixing seat (4) in a manual or mechanical mode.

3. The multi-function vise of claim 2, further comprising: the rear jaw fixing seat (4) is provided with an angle scale, and the rotating angle of the rear jaw (3) relative to the rear jaw fixing seat (4) is visually displayed.

4. The multi-function vise of claim 1, wherein: the section shape of front jaw (2) in inserting back jaw (3) is the U type, back jaw (3) bottom surface is connected with trapezoidal nut (9), front jaw (2) pass through screw rod (10) threaded connection in trapezoidal nut (9), the front end of screw rod (10) stretches out front jaw (2) outward and is connected with afterburning pole (11).

5. The multi-function vise of claim 1, wherein: the rotary table with the grooves (13) is provided with an angle scale, and the rotating angle of the rotary table with the grooves (13) relative to the rotary table fixing seat (12) is visually displayed.

6. The multi-function vise of claim 1, wherein: the rear jaw fixing seat (4) is provided with a length scale, and displacement of the rear jaw fixing seat (4) sliding in the length direction relative to the turntable (13) with the groove is visually displayed.

7. The multi-function vise of claim 1, wherein: the clamping surfaces of the front jaw (2) and the rear jaw (3) are respectively provided with a transverse V-shaped groove (21) and a vertical V-shaped groove (22).