CN110788430A

CN110788430A - Linear cutting manual clamp

Info

Publication number: CN110788430A
Application number: CN201910964107.0A
Authority: CN
Inventors: 范智辉; 王玮; 郑民章
Original assignee: Shanghai Hengxin Metal Products Manufacturing Co Ltd
Current assignee: Shanghai Hengxin Metal Products Manufacturing Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-02-14

Abstract

The embodiment of the invention discloses a manual clamp for linear cutting, which comprises a base, a fixed clamp seat and a movable clamp seat, wherein the fixed clamp seat and the movable clamp seat are respectively arranged on two sides of the top of the base, a connecting clamp seat is connected on the side wall of the fixed clamp seat close to one side of the movable clamp seat, a mounting groove matched with one side of a part is formed in one side of the connecting clamp seat close to the movable clamp seat, the movable clamp seat horizontally slides on the upper surface of the base, a wedge-shaped clamp seat is arranged on one side of the movable clamp seat close to the fixed clamp seat, a dovetail joint obliquely arranged is fixedly arranged on the side wall of the wedge-shaped clamp seat, a dovetail groove obliquely arranged and matched with the dovetail joint is formed in the side wall of the movable clamp seat, and when the wedge-shaped clamp seat slides along the dovetail groove, the surface of the wedge-shaped. The positioning device has the technical effect of quickly positioning and fixing the parts so as to improve the linear cutting machining efficiency.

Description

Linear cutting manual clamp

Technical Field

The embodiment of the invention relates to the technical field of manual clamps, in particular to a manual clamp for linear cutting.

Background

The linear cutting clamp is a special clamp used for fixing relative positions of materials on a linear cutting machine, the conventional linear cutting clamp is divided into an automatic clamp and a manual clamp, and the automatic clamp is difficult to clamp irregular parts, so that the manual clamp is required.

When adopting manual fixture to carry out the centre gripping to the part, the tradition method is by machine operation personnel with the clamp plate with the part fix on the board, then with amesdial correction straightness accuracy and levelness, and this process can cost a large amount of time, also very big degree has influenced machining efficiency, in actual processing, lead to the part to rectify time long, machine standby time is long, production efficiency is low, along with modern industry's continuous development, the precision that the product required is more and more high, how more effectual reduction anchor clamps are rectified efficiency, it is a problem that needs to solve to improve holistic linear cutting speed.

Disclosure of Invention

Therefore, the embodiment of the invention provides a manual clamp for linear cutting, which aims to solve the problem of low linear cutting processing efficiency caused by slow part correction in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a manual clamp for linear cutting comprises a base, a fixed clamp seat and a movable clamp seat which are respectively arranged at two sides of the top of the base, the side wall of the fixed clamp seat close to one side of the movable clamp seat is connected with a connecting clamp seat, one side of the connecting clamp seat close to the movable clamp seat is provided with an installation groove matched with one side of a part, the movable clamp seat moves horizontally on the upper surface of the base, a wedge-shaped clamp seat is arranged on one side of the movable clamp seat close to the fixed clamp seat, the side wall of the wedge-shaped pliers seat is fixedly provided with a dovetail joint which is obliquely arranged, the side wall of the movable pliers seat is provided with a dovetail groove which is matched with the dovetail joint and is obliquely arranged, when the wedge-shaped pliers seat slides along the dovetail groove, the side wall surface of the wedge-shaped clamp seat close to one side of the fixed clamp seat is always in a vertical state, a part is clamped between the wedge-shaped clamp seat and the connecting clamp seat, and the wedge-shaped clamp seat is detachably connected with the movable clamp seat and the base.

Furthermore, a first rack is fixedly arranged at the top of the base, a second rack is fixedly arranged at the bottom of the movable clamp seat, and the first rack and the second rack are meshed with each other.

Furthermore, a plurality of vertically arranged first threaded holes are formed in the top of the base and are evenly distributed along the length direction of the base, and the movable clamp seat is connected with vertically arranged fastening bolts in a threaded mode and can be connected into the adjacent first threaded holes in a threaded mode.

Furthermore, the wedge-shaped pliers seat is in threaded connection with a compression bolt which is obliquely arranged, a second threaded hole which is obliquely arranged is formed in the position, corresponding to the lower portion of the wedge-shaped pliers seat, of the movable pliers seat, the compression bolt can be in threaded connection with the second threaded hole, and the compression bolt and the second threaded hole are the same as the dovetail joint in inclination.

Furthermore, a third threaded hole is formed in the connecting clamp seat, a fixing bolt is connected to the fixing clamp seat in a threaded manner, and the fixing bolt is connected with the third threaded hole in a threaded manner.

Furthermore, the connecting clamp seats are multiple in number, the mounting grooves of the connecting clamp seats are different in shape, and when the parts are clamped, the connecting clamp seats with the mounting grooves matched with the parts to be machined are selected to be connected with the fixing bolts.

Furthermore, a connecting groove is formed in one side, close to the fixed clamp seat, of the movable clamp seat, the wedge-shaped clamp seat is arranged in the connecting groove, the dovetail groove is formed in the side wall of the wedge-shaped clamp seat, and one side, close to the fixed clamp seat, of the wedge-shaped clamp seat extends out of the connecting groove.

The embodiment of the invention has the following advantages:

when treating the processing part and carry out the centre gripping, slide the movable vice seat to the base earlier and keep away from one side of fixed vice seat, put into the part between connection vice seat and the wedge pincers seat and paste one side of part the lateral wall of connection vice seat, the mounting groove on the connection vice seat is fixed a position fast to the part, the movable vice seat that slides horizontally makes the wedge pincers seat be close to the part, then extrude the wedge pincers seat downwards, because dovetail and dovetail all slope the setting, the wedge pincers seat can move towards the connection vice seat when descending, press from both sides the part tightly between wedge pincers seat and connection vice seat, the wedge pincers seat can be as the wedge with the part stable clamp tightly, then fix the movable vice seat on the base, the wedge pincers seat is fixed on the movable vice seat, realized the quick installation to the part. Because the wedge-shaped clamp seat is in a vertical state on one surface close to the part all the time in the moving process, the precision of the part installation is ensured.

After the movable clamp seat moves to a specified position, the first rack and the second rack are in an intermeshing state, so that the movable clamp seat is prevented from shaking. And because there is certain distance between the adjacent second screw hole, the distance that different parts apart from wedge pincers seat is also different, draws the distance of part and wedge pincers seat near through the wedge pincers seat of moving down, makes the lateral wall of wedge pincers seat hug closely with the part to because the wedge structure can be pressed more and more tightly when pushing down, thereby effectively fix the part. And then reduced the process of rectifying to the part to the efficiency of part centre gripping has been improved, has just also improved parts machining's efficiency.

When the connecting clamp seat is used for clamping the other side of the part, the other side of the part is clamped through the structure matched with the connecting clamp seat, and when different parts are clamped, the connecting clamp seat is detached and replaced by another connecting clamp seat, so that stable clamping on the new part can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.

Fig. 1 is a schematic overall structure diagram of a manual clamp for wire cutting according to an embodiment of the present invention;

fig. 2 is a sectional view of an overall structure of a manual clamp for wire cutting according to an embodiment of the present invention.

In the figure: 1. a base; 2. fixing a clamp seat; 3. a movable clamp base; 4. connecting the clamp seats; 5. a wedge-shaped clamp seat; 6. a first rack; 7. a second rack; 8. a third threaded hole; 9. fixing the bolt; 10. mounting grooves; 11. connecting grooves; 12. dovetail joints; 13. a dovetail groove; 14. a hold-down bolt; 15. a second threaded hole; 16. fastening a bolt; 17. a first threaded hole; 18. details of

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A manual clamp for linear cutting is shown in figures 1 and 2 and comprises a base 1, a fixed clamp seat 2, a movable clamp seat 3, a connecting clamp seat 4 and a wedge-shaped clamp seat 5. Base 1 is the rectangle and the level is placed, fixed pincers seat 2 and activity pincers seat 3 are the rectangle and divide the top both sides of locating base 1, fixed pincers seat 2 level sets up and is fixed with base 1 an organic whole, 3 levels of activity pincers seat set up and its bottom sets firmly second rack 7 that its length direction of edge set up that the level set up, base 1's top sets firmly first rack 6 that the level set up, first rack 6 and 7 intermeshing of second rack, after second rack 7 is put to activity pincers seat 3, activity pincers seat 3 carries out the horizontal slip along first rack 6, after activity pincers seat 3 slides appointed position, first rack 6 and second rack 7 can be in intermeshing's state, can not take place rocking about.

Connect pincers seat 4 and be rectangle and vertical setting, connect pincers seat 4 and be located the lateral wall upper portion that fixed pincers seat 2 is close to activity pincers seat 3 one side, and 2 female connections in fixed pincers seat have the fixing bolt 9 that two levels set up, and two fixing bolt 9 set up side by side, set up the third screw hole 8 that two levels set up on the lateral wall of connection pincers seat 4, and every fixing bolt 9 all with 8 threaded connection in adjacent third screw hole to it is fixed to connect pincers seat 4.

The side wall of the connecting clamp seat 4, which is far away from the fixed clamp seat 2, is provided with a mounting groove 10, the shape of the mounting groove 10 is matched with the shape of one side of a part 18, so that the mounting groove 10 can clamp one side of the part to realize effective positioning of the part 18, the connecting clamp seats 4 are multiple in number, the rectangular part 18 is taken as an example, the connecting clamp seat 4 with the rectangular mounting groove 10 is connected with the fixed bolt 9, if the shape of the reprocessed side of the part 18 is arc-shaped, the existing connecting clamp seat 4 is dismounted, the mounting groove 10 is replaced with the connecting clamp seat 4 with the arc-shaped mounting groove 10, and the part 18 is clamped better.

The upper portion of one side that the activity pincers seat 3 is close to the joint pincers seat 4 has been seted up the cross section and has been for the spread groove 11 of falling trapezoidal, and wedge pincers seat 5 is located in the spread groove 11, and the cross section of wedge pincers seat 5 is for falling trapezoidal and paste mutually with the lateral wall of spread groove 11 equally. One side on the inclined plane of the wedge-shaped pliers seat 5 is fixedly provided with a dovetail 12 which is obliquely arranged, the side wall of the connecting groove 11 is provided with a dovetail groove 13 which is obliquely arranged, the dovetail 12 is the same as the inclination of the dovetail groove 13, the dovetail 12 is connected in the dovetail groove 13 in a sliding manner, and the side wall surface of the wedge-shaped pliers seat 5 close to one side of the connecting pliers seat 4 is a vertical surface, because the inclination of the dovetail groove 13 and the dovetail 12 is the same, the side wall surface of the wedge-shaped pliers seat 5 close to the connecting pliers seat 4 can always keep a vertical state in the up-and-down. One side of the wedge-shaped pliers seat 5 close to the connecting pliers seat 4 extends out of the connecting pliers seat 4 so as to more conveniently clamp the part 18.

The wedge-shaped pliers seat 5 is in threaded connection with a pressing bolt 14 which is obliquely arranged from top to bottom, a second threaded hole 15 which is obliquely arranged is formed in the position, corresponding to the lower portion of the connecting groove 11, of the movable pliers seat 3, the pressing bolt 14 and the second threaded hole 15 are the same as the dovetail 12 in inclination, and the pressing bolt 14 and the second threaded hole 15 are coaxially arranged. When the wedge-shaped pliers seat 5 slides along the dovetail groove 13, the pressing bolt 14 and the second threaded hole 15 are in a mutually separated state, and when the wedge-shaped pliers seat 5 is matched with the connecting pliers seat 4 to clamp the part 18, the pressing bolt 14 is in threaded connection with the second threaded hole 15 to fix the wedge-shaped pliers seat 5 on the movable pliers seat 3, so that the part 18 to be machined is fixed.

A plurality of vertical first screw holes 17 that set up side by side are seted up at the top of base 1, and a plurality of first screw holes 17 have fastening bolt 16 of two vertical settings along base 1's length direction evenly distributed, threaded connection on the activity pincers seat 3. When the movable caliper seat 3 slides on the base 1, the fastening bolt 16 and the first threaded hole 17 are in a mutually separated state, and after the movable caliper seat 3 is pushed to slide to a specified position, the fastening bolt 16 is in threaded connection with the adjacent first threaded hole 17 so as to fix the movable caliper seat 3 on the base 1.

The fixing bolt 9, the fastening bolt 16 and the pressing bolt 14 are all hexagon socket head bolts.

When a part 18 to be machined is clamped, the movable clamp base 3 slides to one side, far away from the fixed clamp base 2, of the base 1, the part 18 is placed between the connecting clamp base 4 and the wedge-shaped clamp base 5, one side of the part 18 is attached to the side wall of the connecting clamp base 4, the mounting groove 10 in the connecting clamp base 4 rapidly positions the part 18, the movable clamp base 3 horizontally slides to enable the wedge-shaped clamp base 5 to be close to the part 18, then the wedge-shaped clamp base 5 is downwards extruded, due to the fact that the dovetail groove 13 and the dovetail 12 are obliquely arranged, the wedge-shaped clamp base 5 can move towards the connecting clamp base 4 when descending, the part 18 is clamped between the wedge-shaped clamp base 5 and the connecting clamp base 4, the wedge-shaped clamp base 5 can stably clamp the part 18 like a wedge, then the movable clamp base 3 is fixed on the base 1, the wedge-shaped clamp base 5 is fixed on the movable clamp base 3, and rapid installation of the. Because the wedge-shaped pliers seat 5 is always in a vertical state on one surface close to the part 18 in the moving process, the mounting precision of the part 18 is ensured.

After the movable pliers seat 3 moves to a specified position, the first rack 6 and the second rack 7 are in a mutually meshed state, the movable pliers seat 3 is prevented from shaking, due to the fact that the sizes of the parts 18 are different, when the parts 18 are clamped, the movable pliers seat 3 needs to move to a position right opposite to the compression bolt 14 and the second threaded hole 15 to be fixed, due to the fact that a certain distance exists between the adjacent second threaded holes 15, the distances between different parts 18 and the wedge-shaped pliers seat 5 are different, the distance between the parts 18 and the wedge-shaped pliers seat 5 is shortened by moving the wedge-shaped pliers seat 5 downwards, the side wall of the wedge-shaped pliers seat 5 is made to be tightly attached to the parts 18, and due to the fact that the wedge-shaped structure is pressed more and more tightly when pressed downwards, the parts 18 are effectively fixed. And further, the process of correcting the part 18 is reduced, so that the clamping efficiency of the part 18 is improved, and the machining efficiency of the part 18 is also improved.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a wire cutting manual jig, its characterized in that, includes the base, divides fixed pincers seat and the activity pincers seat of locating base top both sides, be connected with the joint vice seat on the lateral wall that fixed pincers seat is close to activity pincers seat one side, the joint vice seat is close to one side of activity pincers seat and offers the mounting groove with one side matched with of part, the activity pincers seat is at the upper surface horizontal sliding of base, one side that the activity pincers seat is close to fixed pincers seat is equipped with the wedge pincers seat, set firmly the forked tail that the slope set up on the lateral wall of wedge pincers seat, set up the dovetail that sets up with forked tail complex slope on the lateral wall of activity pincers seat, when the wedge pincers seat slides along the dovetail, the lateral wall face that the wedge pincers seat is close to fixed pincers seat one side is in vertical state all the time, and the part presss from both sides tightly between wedge pincers seat and joint vice seat, wedge pincers seat and activity pincers seat, The movable clamp seat and the base are detachably connected.

2. The manual linear cutting clamp of claim 1, wherein a first rack is fixedly arranged at the top of the base, a second rack is fixedly arranged at the bottom of the movable clamp base, and the first rack and the second rack are engaged with each other.

3. The manual clamp for wire cutting according to claim 1, wherein a plurality of vertically arranged first threaded holes are formed at the top of the base, the plurality of first threaded holes are uniformly distributed along the length direction of the base, and the vertically arranged fastening bolts are screwed on the movable vice seat and can be screwed in the adjacent first threaded holes.

4. The manual clamp for wire cutting according to claim 1, wherein a pressure bolt is obliquely and threadedly connected to the wedge-shaped vise base, a second threaded hole is obliquely and threadedly connected to a position of the movable vise base corresponding to a position below the wedge-shaped vise base, the pressure bolt can be threadedly connected to the second threaded hole, and the pressure bolt and the second threaded hole have the same inclination as the dovetail.

5. The manual clamp for wire-electrode cutting as set forth in claim 1, wherein said connecting clamp seat has a third threaded hole, said fixing clamp seat has a fixing bolt screwed therein, and said fixing bolt is screwed into said third threaded hole.

6. The manual linear cutting clamp according to claim 5, wherein the plurality of the connecting clamp seats are different in mounting groove shape, and when a part is clamped, the connecting clamp seat with the mounting groove shape matched with the part to be machined is selected to be connected with the fixing bolt.

7. The manual linear cutting clamp according to claim 1, wherein the movable clamp base has a connecting groove formed on a side thereof adjacent to the fixed clamp base, the wedge-shaped clamp base is disposed in the connecting groove, the dovetail groove is formed on a side wall of the wedge-shaped clamp base, and a side of the wedge-shaped clamp base adjacent to the fixed clamp base extends from the connecting groove.