CN218427764U

CN218427764U - Self-centering bench clamp

Info

Publication number: CN218427764U
Application number: CN202222848812.4U
Authority: CN
Inventors: 林荣峰; 杨李桃; 陈维勇
Original assignee: Dalian Lvsang Industry Corp ltd
Current assignee: Dalian Lvsang Industry Corp ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-02-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a from centering bench vice, concretely relates to public equipment field, including bench vice base seat, the bench vice base seat upper end is installed from centering bench vice device, and well bench vice device includes lead screw, bench vice seat, cushion adjusting screw and bench vice slider, and the bench vice slider is portable in bench vice seat upper end, and the lead screw is rotatable to be installed inside the bench vice seat, and bench vice lock nut is installed to bench vice slider lower extreme, and bench vice lock nut installs bench vice nut in one side, and both sides backplate is installed to bench vice seat one side, and both sides guard plate copper sheathing is installed to lead screw one end outer wall. The utility model discloses a from centering bench vice, above material and thermal treatment, but increase of service life improves from centering bench vice self intensity and precision, and the device design preparation is from centering bench vice, solves foundry goods length variation, and clamping wantonly is not influenced, and central point puts the same behind the foundry goods clamping, and effectual assurance product clamping uniformity saves foundry goods alignment and adjustment coordinate time, plays product processing and carries the effect of effect and reduce cost.

Description

Self-centering bench clamp

Technical Field

The utility model relates to a public equipment field, in particular to from centering bench vice.

Background

The casting product processing is generally carried out by using a common bench vice, the tolerance range of the casting is generally HT10 level, the tolerance range of the casting is 1-3 mm, the length of the casting is 100-300 mm, when the casting is clamped, the jaw on one side of the common bench vice is positioned, the processing coordinate of the casting execution and the vertical processing center can generate 1-3 mm offset, the actual processing center of the casting and the center of the casting generate 0.5-1.5 mm offset, each product in the conventional method adjusts the equipment coordinate and alignment processing, so that the processing working hours are increased and the cost is wasted, the screw rod and the guide rail of the common bench vice are determined, the stress direction and the verticality of the product clamping are unstable, the stroke is controlled by a single gauge, the casting and the product are clamped by unidirectional stress, the jaw is stressed unevenly when the clamping is carried out, the jaw is inclined after the stress, the processing clamping and the processing precision of the product have errors, and the jaw and the body are fragile and easy to deform.

Disclosure of Invention

The main object of the utility model is to provide a from centering bench vice can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the self-centering bench clamp comprises a bench clamp base seat, a self-centering bench clamp device is mounted at the upper end of the bench clamp base seat, the middle bench clamp device comprises a lead screw, a bench clamp seat, cushion block adjusting screws and a bench clamp slider, the bench clamp slider can move at the upper end of the bench clamp seat, the lead screw can be rotatably mounted in the bench clamp seat, a bench clamp locking nut is mounted at the lower end of the bench clamp slider, a bench clamp nut is mounted at one side of the bench clamp locking nut, two side protection plates are mounted at one side of the bench clamp seat, two side protection plate copper sleeves are mounted on the outer wall of one end of the lead screw, a bench clamp lead screw gap adjusting sleeve is mounted at the other side of the bench clamp seat, a bench clamp lead screw gap adjusting cushion block is mounted at one end of the lead screw, one end of the cushion block adjusting screw penetrates through the other side of the bench clamp seat and is mounted at the other end of the bench clamp lead screw gap adjusting cushion block, positioning keys are mounted at the front end and the rear end of the bench clamp seat, and a bench clamp jaw is formed in a bench clamp jaw.

Preferably, the bench clamp slide blocks are provided with four groups, and the two groups of bench clamp slide blocks are respectively arranged on two sides of the upper end of the bench clamp jaw and inside the bench clamp jaw.

Preferably, the bench clamp nut and the bench clamp locking nut are provided with four groups, and the four groups of bench clamp nuts and the four groups of bench clamp locking nuts are the same in size and are respectively installed at the upper end and the lower end of the two sides of the screw rod.

Preferably, the positioning keys are provided with two groups, the two groups of positioning keys are the same in size, and the two groups of positioning keys are respectively arranged on two sides of the bench clamp seat.

Preferably, the type of the bench clamp lead screw gap adjusting sleeve is matched with the type of the bench clamp lead screw gap adjusting cushion block and the type of the lead screw.

Preferably, the clamping block is installed on the inner wall of the bench clamp sliding block, and the length of the clamping block is the same as that of the inner wall of the bench clamp sliding block.

Preferably, two sets of the two side guard plates are arranged, and the two sets of the two side guard plates are respectively arranged at two ends of the screw rod.

Preferably, two groups of copper sleeves for the two side protection plates are arranged, and the two groups of copper sleeves for the two side protection plates are arranged on the inner walls of the two groups of two side protection plates.

Compared with the prior art, the utility model discloses following beneficial effect has:

when the two sides are tightened up and clamped with the jaws simultaneously, the device adopts double guide rails, the positive and negative thread lead screws are positioned in the middle positions of the guide rails, the slide blocks of the two side table pincers move towards the center simultaneously during product clamping, automatic centering is realized, when the slide blocks of the table pincers move for clamping, the double guide rails effectively control the verticality of the parallel movement of the slide blocks of the two side table pincers, the stress magnitude does not influence the clamping verticality of the jaw of the table pincers, the seat of the table pincers adopts QT material, the jaw of the table pincers adopts tool steel for quenching treatment, the lead screws adopt quenching and tempering treatment, the nut of the table pincers adopts copper BC material, the above materials and heat treatment can prolong the service life, the self strength and precision of the self-centering table pincers are improved, the device is designed and manufactured into the self-centering table pincers, the change of the length of castings is solved, the random clamping can be not influenced, the center position is the same after the casting is clamped, the consistency of the product clamping is effectively guaranteed, the time of the casting alignment and the coordinate adjustment is saved, and the effect of improving the product processing and reducing the cost is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective view of the whole structure of the present invention;

fig. 3 is a bottom view of the overall structure of the present invention;

fig. 4 is the overall structure side schematic diagram of the present invention:

fig. 5 is a schematic cross-sectional view of the overall structure of the present invention.

In the figure: 1. a lead screw; 2. two side guard plates; 3. two side protection plate copper sleeves; 4. a vise slide block; 5. a vise nut; 6. locking the nut by the bench clamp; 7. a vice jaw; 8. a bench clamp seat; 9. a positioning key; 10. a gap adjusting cushion block of a bench clamp lead screw; 11. a cushion block adjusting screw; 12. a gap adjusting sleeve for a lead screw of the bench clamp; 13. a vise base; 14. a middle bench clamp device.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1-5, a self-centering bench clamp comprises a bench clamp base seat 13, a self-centering bench clamp device 14 is arranged at the upper end of the bench clamp base seat 13, the middle bench clamp device 14 comprises a lead screw 1, a bench clamp seat 8, a cushion block adjusting screw 11 and a bench clamp slide block 4, the bench clamp slide block 4 can be moved at the upper end of the bench clamp seat 8, the lead screw 1 can be rotatably arranged in the bench clamp seat 8, a bench clamp locking nut 6 is arranged at the lower end of the bench clamp slide block 4, a bench clamp nut 5 is arranged at one side of the bench clamp locking nut 6, two side guard plates 2 are arranged at one side of the bench clamp seat 8, two side guard plates copper sleeves 3 are arranged on the outer wall of one end of the lead screw 1, a bench clamp lead screw gap adjusting sleeve 12 is arranged at the other side of the bench clamp seat 8, a bench clamp lead screw gap adjusting cushion block 10 is arranged at one end of the lead screw 11 penetrating through the other side of the bench clamp seat 8, positioning keys 9 are arranged at the front and back ends of the bench clamp seat 8, the upper end of a bench clamp seat 8 is provided with a bench clamp jaw 7, four sets of bench clamp sliding blocks 4 are arranged, two sets of bench clamp sliding blocks 4 are respectively arranged on two sides of the upper end of the bench clamp jaw 7 and inside the bench clamp jaw 7, preferably, four sets of bench clamp nuts 5 and four sets of bench clamp locking nuts 6 are respectively arranged and have the same size and are respectively arranged at the upper end and the lower end of two sides of a screw rod 1, two sets of positioning keys 9 are arranged, two sets of positioning keys 9 are respectively arranged on two sides of the bench clamp seat 8, the model of a bench clamp screw rod gap adjusting sleeve 12 is matched with the model of a bench clamp screw rod gap adjusting cushion block 10 and the model of the screw rod 1, a clamping block is arranged on the inner wall of the bench clamp sliding block 4, the length of the clamping block is the same as that of the inner wall of the bench clamp sliding block 4, two sets of protective plates 2 are arranged on two sides, and two sets of protective plates 2 on two sides are respectively arranged at two ends of the screw rod 1, two groups of copper sleeves 3 for the two side protection plates are arranged, and the two groups of copper sleeves 3 for the two side protection plates are arranged on the inner walls of the two groups of two side protection plates 2; when the device is used, the device is firstly assembled, the assembly of the background clamp utilizes two positioning keys 9 to fix the jaw in the direction of a workbench, then the whole bench clamp is clamped on a table board by a pressing plate, the width of the jaw is adjusted, a single product is placed in the middle position of the jaw 7 of the bench clamp, after the single product is placed, the screw 1 is rotated, the screw 1 is in contact fit with the copper sleeves 3 of the two side protection plates and is guided to rotate by the thread track of the bench clamp nut 5, when the copper sleeves 3 of the two side protection plates are in contact fit with the bench clamp nut 5, the jaws are simultaneously tightened at two sides, when the jaws are simultaneously tightened at two sides, the product is clamped, the device adopts double guide rails, the screw 1 with positive and negative threads is positioned in the middle position of the guide rails, and the slide blocks 4 of the bench clamp at two sides simultaneously move towards the center when the product is clamped, realize automatic the branch in, when the bench vice slider 4 removes the clamping, the straightness that hangs down of 4 parallel translation of two guide rails effective control both sides bench vice slider, the atress size does not all influence 7 clamping verticality of bench vice jaw, 8 bench vice seats adopt the QT500 material, 7 bench vice jaws adopt tool steel quenching, lead screw 1 adopts 45 quenching and tempering, bench vice nut 5 adopts the copper BC6 material, above material and thermal treatment, but increase of service life, improve from centering bench vice self intensity and precision, the device design preparation is from centering bench vice, solve the casting length change, can be clamping wantonly, not influenced, central point puts the same behind the casting clamping, the effectual product clamping uniformity of guaranteeing, save casting alignment and coordinate adjustment time, play the effect of product processing and reduce cost.

It should be noted that, the utility model relates to a self-centering bench vice, assemble the device earlier when using the device, the equipment is accomplished the backstage pincers and is utilized two positioning key 9, fixed jaw is in the workstation direction, the whole clamp plate clamping is to the mesa with the bench vice again, the width of keeping silent has been adjusted, the single piece product is placed at bench vice 7 intermediate position of keeping silent, after the single piece product is accomplished and is put, rotate lead screw 1, lead screw 1 rotates through the screw track direction rotation with 3 contact cooperation of both sides guard plate copper sheathing and bench vice nut 5, both sides tighten up simultaneously when 3 contact cooperation of both sides guard plate copper sheathing and bench vice nut 5 rotate the back both sides and keep silent, tighten up the back simultaneously and press from both sides the product when both sides tighten up simultaneously and keep silent, the device adopts the double guide rail, positive and negative screw lead screw 1 is located the guide rail intermediate position, both sides bench vice slider 4 removes to the center simultaneously during product clamping, realize automatic branch, when bench vice slider 4 removes the clamping, double guide rail effective control both sides bench vice slider 4 parallel movement's straightness that hangs down, the atress size all does not influence the straightness that hangs down to keep silent 7.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Self-centering bench clamp comprising a bench clamp base (13), characterized in that: the automatic centering bench clamp device is characterized in that a self-centering bench clamp device (14) is installed at the upper end of a bench clamp base seat (13), the middle bench clamp device (14) comprises a lead screw (1), a bench clamp seat (8), a cushion block adjusting screw (11) and a bench clamp sliding block (4), the bench clamp sliding block (4) can move to the upper end of the bench clamp seat (8), the lead screw (1) can be rotatably installed inside the bench clamp seat (8), a bench clamp locking nut (6) is installed at the lower end of the bench clamp sliding block (4), a bench clamp nut (5) is installed at one side of the bench clamp locking nut (6), two side protection plates (2) are installed at one side of the bench clamp seat (8), two side protection plate copper sleeves (3) are installed on the outer wall of one end of the lead screw (1), a bench clamp lead screw gap adjusting sleeve (12) is installed at the other side of the bench clamp seat (8), a bench clamp lead screw gap adjusting cushion block (10) is installed at one end of the lead screw (1), one end of the adjusting screw (11) penetrates through the other side of the bench clamp seat (8) and is installed at the other end of the bench clamp lead screw gap adjusting cushion block (10), a positioning key (9) is installed at the front end and the upper end of the bench clamp seat (7) is opened.

2. A self-centering vise as claimed in claim 1, wherein: the bench clamp sliding blocks (4) are provided with four groups, and the two groups of bench clamp sliding blocks (4) are respectively arranged on two sides of the upper end of the bench clamp jaw (7) and inside the bench clamp jaw (7).

3. A self-centering vise as claimed in claim 1, wherein: the bench clamp nut (5) and the bench clamp locking nut (6) are respectively provided with four groups, and the four groups of bench clamp nuts (5) and the bench clamp locking nuts (6) are the same in size and are respectively arranged at the upper end and the lower end of the two sides of the screw rod (1).

4. A self-centering vise as claimed in claim 1, wherein: the positioning keys (9) are arranged in two groups, the two groups of positioning keys (9) are the same in size, and the two groups of positioning keys (9) are respectively arranged on two sides of the bench clamp seat (8).

5. A self-centering vise as claimed in claim 1, wherein: the type of the bench clamp lead screw gap adjusting sleeve (12) is matched with the type of the bench clamp lead screw gap adjusting cushion block (10) and the type of the lead screw (1).

6. A self-centering vise as claimed in claim 1, wherein: the inner wall of the bench clamp sliding block (4) is provided with a clamping block, and the length of the clamping block is the same as that of the inner wall of the bench clamp sliding block (4).

7. A self-centering vise as claimed in claim 1, wherein: the two side guard plates (2) are provided with two groups, and the two groups of the two side guard plates (2) are respectively arranged at two ends of the screw rod (1).

8. A self-centering vise as claimed in claim 1, wherein: the two sides protection plate copper sleeves (3) are arranged in two groups, and the two groups of two sides protection plate copper sleeves (3) are arranged on the inner walls of the two groups of two sides protection plates (2).