CN215146822U

CN215146822U - Work fixture

Info

Publication number: CN215146822U
Application number: CN202121396715.5U
Authority: CN
Inventors: 徐胜
Original assignee: Shanghai Tongcheng Enterprise Development Co ltd
Current assignee: Shanghai Tongcheng Enterprise Development Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-14
Anticipated expiration: 2031-06-22

Abstract

The invention discloses a tool clamp which comprises a base, wherein a first abutting seat is horizontally erected on the base, a plurality of first inserting grooves are formed in the first abutting seat, any first inserting groove is matched with a bulge on a workpiece in an inserting manner, and a pressing plate for pressing the workpiece on the upper surface of the first abutting seat is arranged on the base in a lifting and adjustable manner above the first abutting seat; the base is vertically provided with a second abutting seat, a plurality of second inserting grooves are formed in the vertical surface of the second abutting seat, any second inserting groove is matched with the protrusions on the workpiece in an inserting mode, and the base is adjustably provided with an abutting block used for abutting the workpiece on the second abutting seat. This application helps improving the machining efficiency of work piece.

Description

Work fixture

Technical Field

The invention relates to the field of workpiece processing, in particular to a tool clamp.

Background

The tool fixture is a technological device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions.

As shown in fig. 4, in the related art, there is a workpiece at present, which includes a workpiece body 1, both sides of the workpiece body 1 in the thickness direction are provided with protrusions 2, an insertion hole 3 is provided between the two protrusions 2, a positioning hole 4 is provided on the workpiece body 1 in a penetrating manner, the axis of the positioning hole 4 is parallel to the axis of the insertion hole 3, and the workpiece body 1 is located at four corners and is provided with abutting portions 5.

When the workpiece is machined, two surfaces in the height direction and the thickness direction of the workpiece need to be machined, two machining processes are needed, the workpiece is clamped on a tool clamp firstly and then installed on a lathe, after machining is completed, the clamp on the lathe is replaced, the workpiece is clamped and fixed, secondary machining is conducted, the process is complex, machining efficiency is low, and improvement is achieved.

Disclosure of Invention

In order to improve the machining efficiency of work piece, this application provides a frock clamp.

The application provides a frock clamp adopts following technical scheme:

a tool clamp comprises a base, wherein a first abutting seat is horizontally erected on the base, a plurality of first inserting grooves are formed in the first abutting seat, any one of the first inserting grooves is matched with a protrusion on a workpiece in an inserting mode, and a pressing plate used for pressing the workpiece on the upper surface of the first abutting seat is arranged on the base in a lifting adjustable mode and is located above the first abutting seat;

the base is vertically provided with a second abutting seat, a plurality of second inserting grooves are formed in the vertical surface of the second abutting seat, any second inserting groove is matched with the protrusions on the workpiece in an inserting mode, and the base is adjustably provided with an abutting block used for abutting the workpiece on the second abutting seat.

Through adopting above-mentioned technical scheme, with the cooperation of pegging graft of work piece and first inserting groove, then adjust pressure strip elevating movement, compress tightly the work piece on first butt joint seat, peg graft other work pieces with the second inserting groove simultaneously, then adjust the butt joint piece and make work piece butt on second butt joint seat, realize processing two machined surfaces to the direction of height of work piece and thickness direction, need not carry out secondary operation to the work piece through changing anchor clamps, help improving the machining efficiency of work piece.

Preferably, the first abutting seat is provided with four abutting columns at the edge of the notch of any one first inserting groove, and the four abutting columns at the notch of any one first inserting groove are respectively abutted against the four abutting parts of the workpiece.

Through adopting above-mentioned technical scheme, utilize four butt posts of arbitrary inserting groove notch department respectively with the butt portion butt of work piece, help improving the positioning accuracy to the work piece, and help improving the stability when the work piece is processed.

Preferably, a plurality of positioning blocks are arranged on the second abutting seat corresponding to the second inserting grooves in number, and any one of the positioning blocks is matched with the positioning hole of the workpiece in an inserting manner.

Through adopting above-mentioned technical scheme, utilize locating hole and locating piece grafting cooperation, fix a position to the ascending position of work piece vertical direction, help guaranteeing to add man-hour, the position of work piece is more accurate.

Preferably, an insertion block which is in insertion fit with the insertion hole is arranged in the second insertion groove.

By adopting the technical scheme, the inserting block is inserted into the inserting hole, and the positioning block is inserted into the positioning hole in a matching manner, so that the positioning accuracy of the workpiece is further improved.

Preferably, the base is provided with a first cylinder below the first abutting seat, a piston part of the first cylinder penetrates through the first abutting seat and is vertically arranged upwards, and the pressing plate is arranged at the end part of a piston rod of the first cylinder.

Through adopting above-mentioned technical scheme, first cylinder function for piston rod carries out elevating movement in vertical direction, and then drives the pressure strip and carries out elevating movement, has realized that the lift of pressure strip is adjustable.

Preferably, the first butt joint seat is vertically provided with a guide rod, and the pressure strip is provided with a guide hole which is matched with the guide rod in a plugging and sliding manner.

Through adopting above-mentioned technical scheme, utilize guide bar and guiding hole grafting cooperation of sliding, play the effect of direction to the elevating movement of pressure strip, help improving the stability of pressure strip in the motion process.

Preferably, a second air cylinder is arranged on the base, the telescopic direction of a piston rod of the second air cylinder is perpendicular to the vertical surface of the second abutting seat, and the abutting block is arranged at the end part of the piston rod of the second air cylinder.

Through adopting above-mentioned technical scheme, the second cylinder function for the piston rod carries out concertina movement on the horizontal direction, and then drives the butt piece and moves, has realized the adjustable removal of butt piece.

Preferably, one side of the pressing plate, which is abutted against the workpiece, is provided with a first rubber pad, and one side of the abutting block, which is abutted against the workpiece, is provided with a second rubber pad.

Through adopting above-mentioned technical scheme, when the pressure strip compresses tightly the work piece and the butt piece supports tight work piece, utilize the elasticity and the flexibility of first rubber pad and second rubber pad, play the effect of buffering unloading, help preventing that the impact of pressure strip and butt piece is too big, strike the work piece and lead to the work piece to damage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the workpiece is pressed on the first abutting seat by the pressing plate, and meanwhile, the other workpiece is abutted on the second abutting seat by the abutting block, so that the lathe can process different positions of the workpiece at the same time, and the processing efficiency of the workpiece is improved;

2. the four abutting columns are abutted with the four abutting parts of the workpiece respectively, so that the positioning accuracy of the workpiece is improved, and the stability of the workpiece during processing is improved;

3. through the cooperation of pegging graft of guide bar and guide way, stability when helping improving the pressure strip motion.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 is an enlarged partial view of the embodiment A of the present application, which mainly shows the structure of the guide rod, the guide groove and the first rubber pad;

fig. 3 is a partially enlarged schematic view of a part B in the embodiment of the present application, which mainly shows the structures of the insertion block, the positioning block, and the second rubber pad;

fig. 4 is a schematic view of an overall structure of a workpiece in the related art.

Reference numerals: 1. a base; 2. a first abutting seat; 21. a first insertion groove; 22. a butting post; 23. a limiting column; 24. a guide bar; 3. a compression plate; 31. a guide groove; 32. a first rubber pad; 4. a second abutting seat; 41. a second insertion groove; 42. an insertion block; 43. positioning blocks; 5. a butting block; 51. a second rubber strip; 6. a first cylinder; 7. a second cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a tool clamp.

Referring to fig. 1, a tooling fixture comprises a base 1 installed on a lathe, wherein a first butting seat 2 is horizontally erected on the base 1, six first inserting grooves 21 are distributed on the first butting seat 2 in a rectangular array manner, the six first inserting grooves 21 correspond to six workpieces, any first inserting groove 21 is matched with a protrusion on the workpiece in an inserting manner, three pressing plates 3 used for pressing the six workpieces are vertically arranged on the first butting seat 2 in a lifting manner, and any pressing plate 3 corresponds to two workpieces in the array width direction; the base 1 is vertically provided with a second abutting seat 4 on one side of the first abutting seat 2, two side walls of the second abutting seat 4 in the vertical direction are respectively provided with three second inserting grooves 41 at intervals, six second inserting grooves 41 correspond to six workpieces, any second inserting groove 41 is matched with a protrusion on the workpiece in an inserting mode, and the base 1 is adjustably provided with six abutting blocks 5 which are used for abutting the six workpieces on the second abutting seat 4 respectively.

In the practical application, adjust three pressure strip 3 and compress tightly six work pieces on first butt joint seat 2, adjust six butt joint pieces 5 simultaneously and support six work pieces tightly on second butt joint seat 4 respectively, utilize first butt joint seat 2 and second butt joint seat 4 to make the lathe can process two machined surfaces of the direction of height and the thickness direction of work piece, need not change anchor clamps and carry out secondary operation, help improving the machining efficiency of work piece promptly.

Since the structures and the shapes of the six first inserting grooves 21 are the same, the description will be given by taking one first inserting groove 21 as an example:

referring to fig. 1 and 2, the four abutting columns 22 are vertically installed at the edge of the notch of the first inserting groove 21 of the first abutting seat 2, and the four abutting columns 22 are respectively abutted against the four abutting portions of the workpiece, so that the positioning and fixing effects on the workpiece are achieved, the stability of the workpiece is improved, and the position of the workpiece is more accurate; vertical spacing post 23 that is provided with in first inserting groove 21, spacing post 23 and work piece butt cooperate four butt joint posts 22, further improve the accuracy of work piece position and add stability man-hour.

Since the structures and the shapes of the six second insertion grooves 41 are the same, the description will be given by taking one second insertion groove 41 as an example:

referring to fig. 1 and 3, an insertion block 42 that is in insertion fit with an insertion hole on the workpiece is disposed in the second insertion groove 41, and a positioning block 43 that is in insertion fit with a positioning hole is fixedly connected to the second abutting seat 4 below the second insertion groove 41. The insertion block 42 is inserted into the insertion hole, and the positioning block 43 is inserted into the positioning hole, so that the workpiece is positioned and fixed, and the workpiece machining position is more accurate.

Referring to fig. 1 and 2, base 1 is located the below of first butt joint seat 2 and installs three first cylinder 6, three first cylinder 6 and three pressure strip 3 one-to-one, the piston rod of arbitrary cylinder all wears to establish first butt joint seat 2 and is vertical upwards setting, the equal fixed connection of arbitrary pressure strip 3 is at the piston rod tip of the first cylinder 6 rather than corresponding, the elevating movement of three pressure strip 3 has been realized in the operation of three first cylinder 6, six guide bars 24 are installed to the rectangle array on the first butt joint seat 2, guide way 31 has all been seted up to the symmetry on arbitrary pressure strip 3, six guide bars 24 are pegged graft with six guide ways 31 respectively and are slided the cooperation. By means of the insertion sliding fit of the guide rod 24 and the guide groove 31, the pressing plate 3 is guided, and the stability of the pressing plate 3 during movement is improved. The equal fixed mounting in both ends downside of arbitrary pressure strip 3 has first rubber pad 32, utilizes the flexibility and the elasticity of first rubber strip, plays the effect of buffering unloading, helps preventing that first cylinder 6 from driving the impact force of pressure strip 3 motion and striking the work piece, leads to the work piece to damage.

Referring to fig. 1 and 3, three mounting panels are installed at the bilateral symmetry of second butt joint seat 4 on base 1, equal fixed mounting has second cylinder 7 on six mounting panels, six second cylinders 7 and six butt joint piece 5 one-to-one, the three second cylinder 7 piston rod of second butt joint seat 4 one side and the three second cylinder 7 piston rod of opposite side are relative setting, and six second cylinder 7 piston rods are equal to the horizontal setting, the equal fixed connection of arbitrary butt joint piece 5 is at the piston tip of the second cylinder 7 that corresponds, through six second cylinder 7 operations, drive six butt joint piece 5 movements respectively, realize the adjustable motion of butt joint piece 5.

Referring to fig. 1 and 3, the second rubber strip 51 is fixedly connected to one side of any abutting block 5 close to the second abutting seat 4, and the flexibility and elasticity of the second rubber strip 51 are utilized to play a role in buffering and unloading, so that the impact force generated by the movement of the abutting block 5 driven by the second cylinder 7 is prevented from impacting a workpiece, and the workpiece is damaged.

The implementation principle of a tooling fixture in the embodiment of the application is as follows: with six work pieces through the butt post 22, spacing post 23 and first inserting groove 21 fix a position and spacing, then move first cylinder 6, make the pressure strip 3 motion, compress tightly six work pieces on first butt seat 2, simultaneously with six other work pieces through the grafting piece 42, locating piece 43 and second inserting groove 41 fix a position and spacing, then move second cylinder 7, make the motion of butt piece 5, support six work pieces tightly on second butt seat 4, utilize this frock clamp, realized simultaneously processing the different positions of work piece, help improving the machining efficiency of work piece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a frock clamp which characterized in that: the workpiece pressing device comprises a base (1), wherein a first abutting seat (2) is horizontally erected on the base (1), a plurality of first inserting grooves (21) are formed in the first abutting seat (2), any first inserting groove (21) is matched with a protrusion on a workpiece in an inserting mode, and a pressing plate (3) used for pressing the workpiece on the upper surface of the first abutting seat (2) is arranged on the base (1) in a lifting and descending adjustable mode above the first abutting seat (2);

the base (1) is vertically provided with a second abutting seat (4), a plurality of second inserting grooves (41) are formed in the vertical surface of the second abutting seat (4), any second inserting groove (41) is matched with a protrusion on a workpiece in an inserting mode, and an abutting block (5) used for abutting the workpiece on the second abutting seat (4) is adjustably arranged on the base (1).

2. The tooling clamp of claim 1, wherein: the edge of a notch of the first butting seat (2) at any first inserting groove (21) is provided with four butting columns (22), and the four butting columns (22) at the notch of any first inserting groove (21) are respectively butted with four butting parts of a workpiece.

3. The tooling clamp of claim 1, wherein: the position and the number of the second abutting seat (4) corresponding to the second insertion groove (41) are provided with a plurality of positioning blocks (43), and any one of the positioning blocks (43) is in insertion fit with a positioning hole of a workpiece.

4. A tooling clamp according to claim 3, wherein: and an inserting block (42) which is in inserting fit with the inserting hole is arranged in the second inserting groove (41).

5. The tooling clamp of claim 1, wherein: the base (1) is located the below of first butt joint seat (2) and is provided with first cylinder (6), the piston portion of first cylinder (6) runs through first butt joint seat (2) and is vertical upwards setting, pressure strip (3) set up the tip at first cylinder (6) piston rod.

6. The tooling clamp of claim 5, wherein: the first abutting seat (2) is vertically provided with a guide rod (24), and the pressing plate (3) is provided with a guide hole which forms inserting and sliding fit with the guide rod (24).

7. The tooling clamp of claim 6, wherein: the base (1) is provided with a second cylinder (7), the telescopic direction of a piston rod of the second cylinder (7) is perpendicular to the vertical surface of the second abutting seat (4), and the abutting block (5) is arranged at the end part of the piston rod of the second cylinder (7).

8. The tooling clamp of claim 7, wherein: one side of the pressing plate (3) abutted against the workpiece is provided with a first rubber pad (32), and one side of the abutting block (5) abutted against the workpiece is provided with a second rubber pad.