CN219170621U

CN219170621U - Multifunctional bench vice with quick-change jaw

Info

Publication number: CN219170621U
Application number: CN202320262307.3U
Authority: CN
Inventors: 王涛; 赵书俊; 张凯; 林晓光; 吴林涛
Original assignee: Laizhou Hongyuan Bench Vice Manufacture Co ltd
Current assignee: Laizhou Hongyuan Bench Vice Manufacture Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-13
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to a multifunctional bench vice with a quick-change jaw, which comprises a movable vice body, a fixed vice body, a screw rod and a handle, wherein the fixed jaw is arranged on the fixed vice body, a quick-change assembly and a movable jaw assembly are arranged on the movable vice body, the quick-change assembly comprises an adjusting rod and a pull rod, the adjusting rod is arranged on the movable vice body through external threads, one end of the pull rod is connected through internal threads, the external threads are opposite to the internal threads in rotation direction, the other end of the pull rod passes through the movable vice body and is clamped on the movable jaw assembly, and the movable jaw assembly corresponds to the fixed jaw. The internal thread and the external thread with opposite rotation directions enable the adjusting rod to rotate for one circle, and the adjusting rod and the pull rod relatively move by two screw pitches, so that the dismounting efficiency of the jaw assembly is improved; the movable jaw assembly can adaptively adjust corresponding angles according to the shape of the workpiece and the taper of the conical workpiece, so that the workpiece is firmly clamped, the clamping requirements of different workpieces are met, the number of jaws is reduced, and the processing cost is reduced.

Description

Multifunctional bench vice with quick-change jaw

Technical Field

The utility model relates to the technical field of bench vices, in particular to a multifunctional bench vice capable of quickly replacing a jaw.

Background

Bench vice is also called bench vice, and is a universal fixture for clamping workpieces. The bench vice comprises a movable vice body and a fixed vice body, wherein the movable vice body is provided with a movable jaw through a screw, the fixed vice body is provided with a fixed jaw through a screw, a workpiece is placed in the jaw, and the movable jaw is matched with the fixed jaw to clamp the workpiece by moving the movable vice body to the fixed vice body.

The working surfaces of the movable jaw and the fixed jaw are generally plane, and in actual work, the workpieces of the regular bodies are relatively few. Due to the special outline of the workpiece, the conventional flat jaw cannot adjust the fitting degree with the surface of the workpiece according to actual conditions, so that clamping is not firm. If the workpiece is forcibly clamped, the surface or the body of the workpiece is easily damaged, and the surface precision of a finished product is affected. In the prior art, in order to clamp cylindrical workpieces with different diameters, a V-shaped groove or a semicircular groove is usually arranged on the working surface of a jaw, and the clamping requirements of workpieces with different sizes are met by replacing the jaw. Because the jaw passes through the screw to be installed on the pincers body, when changing the jaw, need move the relative fixed pincers body of movable pincers a certain distance earlier, then pull down the jaw from the pincers body through the allen wrench, then pass through the screw with new jaw and install on the pincers body, the bench vice uses after a period, easy accumulation greasy dirt on the jaw need clear up the greasy dirt earlier when dismantling the screw, not only dismouting inefficiency is limited in addition, easily bruise the hand during the dismouting, has brought inconvenience for people's use.

In addition, in the prior art, a workpiece with taper is clamped through a jaw with a plane working surface, so that the state is not firm, if the jaw bodies with different taper degrees are machined according to the taper of the workpiece, the jaw bodies are too many in variety, inconvenient to store, increased in machining cost and inconvenient to detach.

Disclosure of Invention

The utility model aims to provide a bench vice capable of quickly replacing jaws, aiming at the problem that the jaws are inconvenient to replace in the prior art.

The utility model provides a multifunctional bench vice aiming at the problem that clamping of a conical workpiece is not firm in the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides a multifunctional bench vice of quick change jaw, includes the movable clamp body, the fixed clamp body, lead screw and handle, the movable clamp body slidable mounting is in on the fixed clamp body, the one end of lead screw with the handle is connected, and the other end passes the movable clamp body with fixed clamp body threaded connection, be equipped with fixed jaw on the fixed clamp body, install quick change subassembly and movable jaw subassembly on the movable clamp body, quick change subassembly includes regulation pole and pull rod, be equipped with external screw thread and internal screw thread on the regulation pole, the regulation pole passes through the external screw thread and is in on the movable clamp body, the regulation pole pass through the internal screw thread with the one end of pull rod is connected, the external screw thread with the internal screw thread is opposite, the other end of pull rod passes the movable clamp body joint is in on the movable jaw subassembly, the movable jaw subassembly with fixed jaw is corresponding.

The beneficial effects of the utility model are as follows: the rotation directions of the internal thread and the external thread on the adjusting rod are opposite, the adjusting rod rotates for one circle, and the adjusting rod and the pull rod relatively move by two screw pitches, so that the disassembly efficiency of the jaw assembly is improved; through dismantling the regulation pole in the outside of keeping silent, operating space is unrestricted, has reduced the degree of difficulty of dismantling, and keeping away from the working face of keeping silent of regulation pole has reduced greasy dirt and has blockked up the regulation pole, convenient operation just avoids the hand to hurt, guarantees the security of use.

On the basis of the technical scheme, the utility model can also make the following improvements for the technical scheme in order to achieve the convenience of use and the stability of equipment:

further, the movable jaw assembly comprises a quick-change base and a quick-change jaw, a positioning table is arranged on the movable jaw body, the quick-change base is arranged on the positioning table, an inwards concave arc-shaped groove is formed in the quick-change base, one side of the quick-change jaw is provided with a working surface corresponding to the fixed jaw, the other side of the quick-change jaw is provided with an outwards convex guide body, the guide body is arranged in the arc-shaped groove in a sliding mode, and the movable jaw assembly is used for self-adaptively adjusting the angle between the quick-change jaw and the fixed jaw.

The technical scheme has the beneficial effects that the guide body is matched with the arc-shaped groove, so that the quick-change jaw slides along the arc-shaped groove, the angle between the quick-change jaw and the fixed jaw is adaptively adjusted, the clamping requirements of workpieces with different conicities are met, the clamping is firm, the jaw quantity is reduced, and the cost is reduced.

Further, the movable jaw assembly further comprises a positioning pin, a positioning hole corresponding to the positioning pin is formed in the quick-change base, one end of the positioning pin is installed on the movable jaw body, and the other end of the positioning pin is inserted into the positioning hole.

The quick-change base has the beneficial effects that the quick-change base is positioned through the positioning pin, so that the difficulty in assembly is reduced, and the quick-change base is ensured to be stably arranged on the movable clamp body.

Further, a positioning groove is formed in the guide body, the positioning groove extends along the guide body, and the positioning pin penetrates through the positioning hole to be inserted into the positioning groove.

The technical proposal has the advantages that the guide body is prevented from sliding out of the arc-shaped groove by the cooperation of the positioning groove and the positioning pin, thereby improving the convenience of use; and the angle of the quick-change jaw adjustment is controlled by arranging the positioning grooves with different radians.

Further, one side of the quick-change base, which is close to the quick-change jaw, is provided with an avoidance area.

The technical scheme has the beneficial effects that when the quick-change jaw is prevented from moving, the quick-change jaw interferes with the quick-change base, the self-adaptive angle adjusting range of the quick-change jaw is improved, and the clamping requirements of workpieces with different conicities are met.

Further, the positioning table is provided with a containing groove, a pit is arranged on the lower end face of the quick-change base, a protrusion is arranged at the end part of the pull rod, and the protrusion is arranged in the containing groove and the pit.

The bench vice has the beneficial effects that the bench vice is compact in overall structure, the stability of quick-change base installation is guaranteed through the cooperation of the protrusions and the pits, the connection is simple, the disassembly is convenient, and the disassembly efficiency is improved.

Further, the cross sections of the arc-shaped groove and the guide body are in a dovetail shape.

The technical scheme has the beneficial effects that the quick-change jaw is ensured to stably slide along the quick-change base, shaking is avoided, and the firmness of workpiece clamping is ensured.

Further, at least one arc-shaped groove is arranged, and the number of the quick-change jaws and the number of the positioning pins correspond to the number of the arc-shaped grooves.

The technical scheme has the beneficial effects that the clamping requirements of a plurality of workpieces with the same taper or different taper are met by arranging the quick-change jaws, the convenience and the universality of use are improved, the number of the jaws is reduced, and the processing cost is reduced.

Further, the end part of the adjusting rod is provided with an inner hexagon, and the external thread of the adjusting rod isLeft sideAnd the internal thread is a right-handed thread.

The technical scheme has the beneficial effects that the adjusting rod is convenient to detach, the operation difficulty is reduced, and the connection is convenient.

Drawings

FIG. 1 is a schematic perspective view of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of the quick-change assembly according to embodiment 1 of the present utility model;

FIG. 3 is a sectional view of the multifunctional bench vice in embodiment 1 of the utility model;

FIG. 4 is a schematic view of a quick-change assembly and a movable jaw assembly according to embodiment 1 of the present utility model;

FIG. 5 is a schematic view of the connection of the pull rod and the quick-change base in embodiment 1 of the present utility model;

FIG. 6 is a schematic view of a quick-change base in embodiment 1 of the present utility model;

FIG. 7 is a schematic view of a quick-change jaw according to embodiment 1 of the present utility model;

FIG. 8 is a schematic view of a quick-change base in embodiment 2 of the present utility model;

fig. 9 is a schematic diagram of the cooperation between the quick-change base and the positioning pin in embodiment 2 of the present utility model.

The reference numerals are recorded as follows: 1. a movable clamp body; 101. a receiving groove; 2. fixing the clamp body; 3. a base is quickly replaced; 301. an arc-shaped groove; 302. pit; 303. an avoidance zone; 4. quick-changing the jaw; 401. a guide body; 402. a positioning groove; 5. an adjusting rod; 6. a pull rod; 7. a positioning pin; 8. a fixed jaw; 9. a screw rod; 10. a nut; 11. a spring; 12. a gasket; 13. an elastic cylindrical pin; 14. a handle.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

As shown in fig. 1 to 7, the utility model discloses a multifunctional bench vice with quick-change jaws, which comprises a movable jaw body 1, a fixed jaw body 2, a screw rod 9 and a handle 14, wherein the movable jaw body 1 is slidably arranged on the fixed jaw body 2, one end of the screw rod 9 is connected with the handle 14, the other end of the screw rod passes through the movable jaw body 1 and is in threaded connection with a nut 10 on the fixed jaw body 2, a spring 11 is sleeved on the screw rod, one end of the spring 11 is propped against the inner wall of the movable jaw body 1, the other end of the spring 11 is provided with a gasket 12 and is fixed through an elastic cylindrical pin 13, a fixed jaw 8 is arranged on the fixed jaw body 2, an anti-skid thread is arranged on the fixed jaw 8, a quick-change assembly and a movable jaw assembly are arranged on the movable jaw body 1, the quick-change assembly comprises an adjusting rod 5 and a pull rod 6, the adjusting rod 5 passes through an external thread and an internal thread, the adjusting rod 5 passes through the external thread and is connected with one end of the movable jaw body 1, the internal thread is opposite to the internal thread and passes through the movable jaw assembly 6, and the other end of the movable jaw assembly is correspondingly screwed to the movable jaw assembly and the movable jaw assembly is provided with the movable jaw 8.

In this embodiment, the quick-change jaw 4, the adjusting rod 5 and the pull rod 6 are provided with one, the end of the adjusting rod 5 is provided with an inner hexagon, the adjusting rod 5 is conveniently detached by a hexagonal wrench, the convenience of detachment is improved, the external thread of the adjusting rod 5 is a left-handed thread, the internal thread of the adjusting rod 5 is a right-handed thread, and when the adjusting rod 5 rotates one turn towards the movable clamp body 1, two screw pitches are screwed between the adjusting rod 5 and the pull rod 6, so that the pull rod 6 ejects the quick-change base 3, and the quick-change base 3 is quickly detached; when adjusting pole 5 to the outside one circle of screwing out of movable clamp body 1, screw in two pitches between adjusting pole 5 and the pull rod 6, pull rod 6 drives quick change base 3 to the movable clamp body 1 and removes, realizes quick installation fixed of quick change base 3, easy operation has improved dismouting efficiency, installs adjusting pole 5 in movable clamp body 1 through the external screw thread, reduces greasy dirt and blocks up regulation pole 4 and reduces the whole volume of bench vice.

Optionally, four corners can also be set at the end of the adjusting rod 5, the external thread of the adjusting rod 5 is a right-handed thread, the internal thread is a left-handed thread, and the purposes of rotating the adjusting rod 5 for one turn, screwing in or screwing out two screw pitches and improving the disassembly efficiency can be achieved.

The movable jaw assembly comprises a quick-change base 3 and a quick-change jaw 4, a positioning table is arranged on the movable jaw body 1, the quick-change base 3 is installed on the positioning table, the quick-change base 3 is initially installed and positioned, the installation difficulty is reduced, an inward concave arc-shaped groove 301 is formed in the quick-change base 3, and one side of the quick-change jaw 4 is provided with a working surface corresponding to the fixed jaw 8. The working face is smooth plane, and through working face and fixed jaw 8 cooperation, the realization is carried out the clamping to the work piece, and the opposite side of quick change jaw 4 is equipped with outside convex guide body 401, guide body 401 slides and sets up in the arc groove 301, the activity is kept silent the subassembly and is used for the self-adaptation to adjust quick change jaw 4 with angle between the fixed jaw 8. Through the cooperation of guide body 401 and arc groove 301, make quick change jaw 4 slide along arc groove 301 to the angle between self-adaptation regulation quick change jaw 4 and the fixed jaw 8 satisfies the clamping demand of different tapering work pieces, and the clamping is firm, reduces the quantity of keeping silent, reduce cost.

The movable jaw assembly further comprises a positioning pin 7, a positioning hole corresponding to the positioning pin 7 is formed in the quick-change base 3, one end of the positioning pin 7 is installed on the movable jaw body 1, and the other end of the positioning pin is inserted into the positioning hole. The quick-change base 3 is positioned through the positioning pin 7, so that the assembly difficulty is reduced, and the quick-change base 3 is ensured to be stably arranged on the movable clamp body 1.

The guide body 401 is provided with a positioning groove 402, the positioning groove 402 extends along the guide body 401, and the positioning pin 7 passes through the positioning hole and is inserted into the positioning groove 402. The positioning groove 402 is matched with the positioning pin 7, so that the guide body 401 is prevented from sliding out of the arc-shaped groove 301, and the convenience of use is improved; and through setting up the constant head tank 402 of different radians, the angle of adjusting to quick change jaw 4 is controlled to satisfy the clamping demand of different tapering work pieces.

And an avoidance area 303 is arranged on one side of the quick-change base 3, which is close to the quick-change jaw 4. When avoiding quick change jaw 4 to remove along arc groove 301, quick change jaw 4 and quick change base 3 take place to interfere, improve the self-adaptation angle regulation's of quick change jaw 4 scope, satisfy the clamping demand of different tapering work pieces.

The middle part of locating bench is equipped with holding tank 101, the middle part of the lower terminal surface of quick change base 3 is equipped with pit 302, the tip of pull rod 6 is equipped with the arch, the arch includes arc end and butt end, the arc end sets up in pit 302, butt end sets up in holding tank 101, and when adjusting pole 5 drove pull rod 6 and remove, pull rod 6 passes through protruding and pit 302 cooperation, drives quick change base 3 and quick change jaw 4 and removes, realizes 4 quick change to quick change jaw, and guarantees the stability of quick change base 3 installation, and is connected simply, and it is convenient to dismantle, improves dismantlement efficiency.

The cross section of the arc-shaped groove 301 and the guide body 401 is in a dovetail shape. The quick-change jaw 4 is guaranteed to stably slide along the quick-change base 3, shaking is avoided, and the firmness of workpiece clamping is guaranteed.

The number of the quick-change jaws 4 and the positioning pins 7 corresponds to the number of the arc-shaped grooves 301. Through setting up a plurality of quick change jaws 4, satisfy the clamping demand of a plurality of conicity the same or different work pieces, improve convenience and the commonality of use, reduce the quantity of keeping silent, reduce processing cost. In this embodiment, the arc-shaped groove 301 is provided with one.

Example 2

As shown in fig. 8 to 9, the number of arc grooves 301 is different from that of embodiment 1.

In this embodiment, two arc-shaped grooves 301 are provided on the quick-change base 3, each arc-shaped groove 301 is correspondingly provided with a quick-change jaw 4 and a positioning pin 7, and the positioning pin 7 can prevent the quick-change jaw 4 from sliding out of the arc-shaped groove 301, so that the quick-change jaw 4 moves stably in the arc-shaped groove 301. A pit 302 is arranged on the quick-change base 3 between the two arc-shaped grooves 301, so that the pull rod 6 drives the quick-change base 3 to move through the pit 302. Through setting up two quick change jaws 4, realize two work pieces of simultaneous clamping, improve clamping efficiency, satisfy the clamping demand of the less work piece of tapering simultaneously, improve the convenience of operation.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a multifunctional bench vice of quick change jaw, includes movable clamp body (1), fixed clamp body (2), lead screw (9) and handle (14), movable clamp body (1) slidable mounting is in on fixed clamp body (2), the one end of lead screw (9) with handle (14) are connected, and the other end passes movable clamp body (1) with fixed clamp body (2) threaded connection, be equipped with fixed jaw (8) on fixed clamp body (2), a serial communication port, install quick change assembly and movable jaw subassembly on movable clamp body (1), quick change assembly includes regulation pole (5) and pull rod (6), be equipped with external screw thread and internal screw thread on regulation pole (5), regulation pole (5) are in through external screw thread installation on movable clamp body (1), regulation pole (5) pass through the internal screw thread with the one end of pull rod (6) is connected, the external screw thread with the opposite of internal screw thread, the other end of pull rod (6) passes movable clamp body (1) connect jaw (8) corresponding with movable jaw subassembly on the movable jaw.

2. The multifunctional bench vice according to claim 1, characterized in that the movable jaw assembly comprises a quick-change base (3) and a quick-change jaw (4), a positioning table is arranged on the movable jaw body (1), the quick-change base (3) is installed on the positioning table, an inward concave arc-shaped groove (301) is formed in the quick-change base (3), a working surface corresponding to the fixed jaw (8) is formed in one side of the quick-change jaw (4), an outward protruding guide body (401) is arranged on the other side of the quick-change jaw, the guide body (401) is slidably arranged in the arc-shaped groove (301), and the movable jaw assembly is used for adaptively adjusting an angle between the quick-change jaw (4) and the fixed jaw (8).

3. The multifunctional bench vice according to claim 2, wherein the movable jaw assembly further comprises a positioning pin (7), a positioning hole corresponding to the positioning pin (7) is formed in the quick-change base (3), one end of the positioning pin (7) is installed on the movable jaw body (1), and the other end of the positioning pin is inserted into the positioning hole.

4. A multifunctional bench vice according to claim 3, characterized in that the guide body (401) is provided with a positioning groove (402), the positioning groove (402) extends along the guide body (401), and the positioning pin (7) is inserted into the positioning groove (402) through the positioning hole.

5. A multifunctional bench vice according to claim 2 or 4, characterized in that the side of the quick-change base (3) close to the quick-change jaw (4) is provided with a relief area (303).

6. The multifunctional bench vice according to claim 2, characterized in that the positioning table is provided with a containing groove (101), the lower end surface of the quick-change base (3) is provided with a pit (302), the end part of the pull rod (6) is provided with a protrusion, and the protrusion is arranged in the containing groove (101) and the pit (302).

7. A multifunctional vice according to claim 2, characterized in that the cross section of the arc-shaped groove (301) and the guide body (401) is dovetail-shaped.

8. The multifunctional bench vice according to claim 4, characterized in that at least one arc-shaped groove (301) is provided, the number of quick-change jaws (4) and the positioning pins (7) corresponding to the number of arc-shaped grooves (301).

9. The multifunctional bench vice according to claim 1, characterized in that the end of the adjusting rod (5) is provided with an internal hexagon, the external thread of the adjusting rod (5) is a left-handed thread, and the internal thread is a right-handed thread.