CN214816849U

CN214816849U - A fixture for clamping workpiece efficiently

Info

Publication number: CN214816849U
Application number: CN202121440138.5U
Authority: CN
Inventors: 彭龙桥; 阳志
Original assignee: Guangdong Baitong Civil Air Defense Engineering Protection Equipment Co ltd
Current assignee: Guangdong Baitong Civil Air Defense Engineering Protection Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-23
Anticipated expiration: 2031-06-25

Abstract

The present application relates to a fixture for efficiently clamping a workpiece, which comprises a circular disc, and a square hole is formed on the circular disc, two adjacent sides of the square hole are reference planes, and the two reference planes are used for two phases of the workpiece. The adjacent sides are abutted so that the center line of the disk passes through the center of the workpiece, and a pressing component for pressing the two adjacent side surfaces of the workpiece against the two reference planes is installed on the disk. When using a lathe to process a square-shaped workpiece, the present application has the feature of improving the clamping efficiency of the square-shaped workpiece, thereby achieving the effect of improving production efficiency.

Description

Clamp for efficiently clamping workpiece

Technical Field

The application relates to the technical field of clamp equipment, in particular to a clamp for efficiently clamping workpieces.

Background

The existing lathe can only be used for processing cylindrical workpieces generally, because the clamp of the lathe adopts a chuck structure, if square workpieces are to be processed, the workpieces need to be clamped on a disk, and then the disk is clamped on the chuck to be processed by the lathe.

The utility model provides a square form machined part for fire door production, need put at the central point of square form machined part and set up a circular port, the central line of circular port will coincide mutually with the center of square form machined part or the error will be less than predetermined value, in order to reach the production requirement, need the workman to use measuring tool such as ruler to measure the crossing central point of two diagonals of square form machined part, mark the central point again, when fixing square form machined part on the disc, need the manual work to aim at the disc central point with the mark point, install the lathe processing on the chuck with the disc again, in order to ensure the quality of square form machined part.

In view of the above-mentioned related art, the inventor believes that the efficiency is low by manually installing the square workpiece in the center of the disc, which affects the production efficiency, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of square machined part centering, improve production efficiency, this application provides a anchor clamps of high-efficient centre gripping work piece.

The application provides a pair of anchor clamps of high-efficient centre gripping work piece adopts following technical scheme:

the fixture comprises a disc, wherein a square hole is formed in the disc, two adjacent side faces of the square hole are reference faces, the two adjacent side faces of the workpiece are attached to enable the center line of the disc to penetrate through the center of the workpiece, and a pressing component used for correspondingly pressing the two adjacent side faces of the workpiece on the two reference faces is installed on the disc.

Through adopting the above technical scheme, through the installation disc, support and press the subassembly and set up the quad slit, the reference surface, can support the double-phase adjacent side of work piece and press on two reference surfaces of quad slit, the rethread supports and presses the subassembly to stabilize the work piece, under the proofreading of basal plane, can make the center and the disc center of work piece align, with the disc centre gripping on the chuck, thereby the lathe of can being convenient for is processed the work piece, and easy operation is convenient, can improve the efficiency of work piece processing, and simultaneously, the center of work piece is higher with the alignment degree at disc center, can improve the quality of work piece processing.

Optionally, the pressing component includes pressing screws installed on two sides of the disc away from the reference plane in a threaded manner, and the central line direction of the pressing screws is perpendicular to the corresponding reference plane.

Through adopting above-mentioned technical scheme, the installation supports and presses the screw rod, supports to press the screw rod and supports the work piece and press on the reference surface to can stabilize the work piece in the quad slit, easy operation is convenient.

Optionally, the two sides of the disc, which are far away from the reference surface, are provided with yielding holes, and the head of the abutting screw is accommodated in the yielding holes.

Through adopting above-mentioned technical scheme, set up the hole of stepping down, can make the head that supports the pressure screw rod not bulge to the outside of disc to can reduce to support the chuck interference of pressure screw rod head and lathe and be difficult to press from both sides the condition of steady disc, also be convenient for with the disc card on the chuck, improve workman's work efficiency.

Optionally, counterbores are formed in four corners of the disc close to the square hole.

By adopting the technical scheme, only the middle part of the side surface of the workpiece is abutted against the reference surface by arranging the flaring, so that the influence on the accuracy of the mounting position of the workpiece due to the large errors such as the protrusion of the corner part of the workpiece is reduced, the processing precision of the workpiece can be improved, and in addition, the flaring can also facilitate the picking and placing of the workpiece by a worker.

Optionally, a through hole is formed at the bottom of the square hole, and the cross-sectional area of the through hole is smaller than that of the square hole.

Through adopting above-mentioned technical scheme, set up the through-hole, can be convenient for the workman adjust the position of work piece through the through-hole, perhaps take out the work piece from the quad slit through the through-hole to the installation and the dismantlement of work piece are convenient for, thereby the machining efficiency of improvement work piece that can step forward.

Optionally, the abutting assembly comprises an abutting block which is slidably arranged at a corner position of the square hole far away from the two reference surfaces, an included angle between the sliding direction of the abutting block and the two reference surfaces is 45 degrees, the sliding central line of the abutting block is intersected with the central line of the disc, one side of the abutting block, which is close to the center of the square hole, is provided with two abutting surfaces which are respectively parallel to the opposite reference surfaces, and the disc is provided with an adjusting piece for adjusting the sliding position of the abutting block.

Through adopting above-mentioned technical scheme, installation support block and regulating part, through the support position of adjustment support block, support the two of support block and press on the work piece, make the work piece support and press on the reference surface to can make the work piece can accurately and install in the quad slit firmly, so that process the work piece.

Optionally, the adjusting part includes an adjusting rod rotatably mounted on the disc, a length direction of the adjusting rod is parallel to a sliding direction of the pressing block, and the adjusting rod is in threaded connection with the pressing block.

Through adopting above-mentioned technical scheme, the pole is adjusted in the installation, adjusts the pole through rotating, can drive the briquetting and slide to support and press or loosen the work piece, thereby can be convenient for fix the work piece, improve the efficiency of work.

Optionally, a slide bar is arranged at the bottom of the pressing block, a sliding groove for the slide bar to slide is formed in the disc, and the length directions of the slide bar and the sliding groove are parallel to the sliding direction of the pressing block.

By adopting the technical scheme, the sliding of the pressing block can be more stable and accurate by installing the sliding strip and arranging the sliding groove, so that the pressing block can more accurately press the workpiece on the reference surface, the fitting degree of the workpiece and the two reference surfaces can be improved, the installation accuracy of the workpiece is improved, and the workpiece processing quality is improved.

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

1. the disc and the abutting screw are installed, a workpiece is placed in the square hole of the disc, the abutting screw is screwed down, the workpiece is fixed, so that the center of the workpiece is aligned with the center of the disc, the disc is clamped on a chuck of a lathe, the lathe can conveniently process the workpiece at the center of the workpiece, and the processing efficiency and the processing quality of the workpiece can be improved;

2. through installation briquetting, regulation pole and draw runner, through rotating the regulation pole, slide the briquetting, make the briquetting support the work piece and press on the reference surface to fixed work piece, and guarantee that work piece center and disc worker shape are to the accuracy higher, thereby be convenient for process the work piece, with efficiency and the quality that improves the work piece processing.

Drawings

Fig. 1 is an overall configuration diagram of embodiment 1 of the present application.

Fig. 2 is a schematic view of the overall structure of embodiment 2 of the present application.

Fig. 3 is an exploded view of the entire structure of embodiment 2 of the present application.

Description of reference numerals:

1. a disc; 2. a square hole; 20. a reference plane; 3. pressing the screw rod; 4. a hole of abdication; 5. reaming; 6. a through hole; 7. a pressing block; 70. pressing the surface; 71. a slide bar; 72. a chute; 8. and adjusting the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses anchor clamps of high-efficient centre gripping work piece.

Example 1:

referring to fig. 1, the fixture for efficiently clamping the workpiece comprises a disc 1, a square hole 2 is formed in the middle of the disc 1, a through hole 6 is formed in the bottom of the square hole 2, the cross section of the through hole 6 is also square, the cross section area of the through hole 6 is smaller than that of the square hole 2, and the cross section area of the workpiece is located between the cross section area of the through hole 6 and that of the square hole 2, so that the workpiece placed in the square hole 2 can be pressed on the bottom wall of the square hole 2, and the workpiece is placed stably.

When the workpiece needs to be taken out of the square hole 2, a worker can pass through the through hole 6 to apply pressure to the workpiece so as to release the workpiece from the square hole 2, so that the workpiece can be taken out or the position of the workpiece can be adjusted.

Set up as reference plane 20 at two adjacent sides of quad slit 2, the processing requirement of reference plane 20 is: the distance between the reference surface 20 and the central axis of the disc 1 is the same as half of the length of the corresponding side of the workpiece, so that when the workpiece is pressed against the two reference surfaces 20, the central line of the workpiece can coincide with the central line of the disc 1, the disc 1 can be clamped on a lathe chuck conveniently, the workpiece can be machined, and the workpiece machining efficiency and quality are improved.

In this embodiment, the two sides of the disc 1, which are far away from the two reference surfaces 20, are provided with the yielding holes 4, the bottom surfaces of the yielding holes 4 are parallel to the corresponding reference surfaces 20, the pressing component comprises a pressing screw 3 with threads penetrating through the bottom wall of the yielding hole 4, the threads of the rod part of the pressing screw 3 penetrate through the yielding hole 4 and press one side of the workpiece, and the center line of the pressing screw 3 is perpendicular to the corresponding reference surface 20, so that the side, which is far away from the pressed side of the pressing screw 3, of the workpiece is attached to the reference surface 20, the workpiece is pressed through the two sides, the workpiece can be stably installed in the square hole 2, and the workpiece can be machined by a lathe.

In this embodiment, all seted up cylindric reaming 5 on disc 1 is close to four corners of quad slit 2, reaming 5 is linked together with quad slit 2, and the degree of depth of reaming 5 is the same with quad slit 2's degree of depth to can reduce disc 1 to the restriction in work piece corner, thereby can reduce and make the condition that the work piece can not effectively utilize reference surface 20 to carry out the alignment position because of work piece corner machining error is great, thereby can improve the processingquality of work piece.

Example 2:

referring to fig. 2, the difference between the present embodiment and embodiment 1 lies in the difference of the pressing components, in the present embodiment, a pressing block 7 is slidably mounted at a corner of the square hole 2 of the disc 1, which is far from the two reference surfaces 20, one end of the pressing block 7, which is close to the disc 1, is provided with a V-shaped groove, two sides of the V-shaped groove are pressing surfaces 70, and the two pressing surfaces 70 are parallel to the opposite reference surfaces 20, so that the two pressing surfaces 70 of the pressing block 7 can be pressed against the workpiece, and the workpiece is pressed against the two reference surfaces 20.

In this embodiment, the reaming hole 5 is also formed at the intersection position of the two pressing surfaces 70 of the pressing block 7, so that the fitting degree between the pressing surface 70 of the pressing block 7 and the two side surfaces of the workpiece can be improved, and the accuracy of pressing the workpiece can be improved.

In this embodiment, an adjusting member for adjusting the sliding position of the pressing block 7 is installed on the disc 1, so that the pressing block 7 can be fixed at a preset sliding position to press a workpiece, and the workpiece is stably installed in the square hole 2.

In this embodiment, the adjusting part includes adjusting rod 8 rotatably installed on disc 1, and the length direction of adjusting rod 8 is parallel with the sliding direction of pressing block 7, adjusts rod 8 and pressing block 7 threaded connection, and when rotating adjusting rod 8, just can drive pressing block 7 and slide to support the work piece and press on reference surface 20, with firm work piece.

Referring to fig. 3, in the present embodiment, in order to improve the sliding stability of the pressing block 7, in the present embodiment, two sliding grooves 72 are formed on the disc 1, two sliding strips 71 are integrally formed on one sliding surface of the pressing block 7 and the disc 1, the length directions of the sliding strips 71 and the sliding grooves 72 are parallel to the sliding direction of the pressing block 7, the sliding strips 71 are adapted to the sliding grooves 72, and when the sliding strips 71 slide on the sliding grooves 72, the pressing block 7 slides on the disc 1, so that the sliding of the pressing block 7 can be limited, and the sliding stability of the pressing block 7 can be improved.

In this embodiment, it has the ring that is bigger than adjusting 8 pole portion radiuses to adjust 7 one end integrated into one piece of pole of briquetting of keeping away from of pole 8 to adjust pole 8, set up on disc 1 and adjust the half slot that 7 one end looks adaptations of briquetting were kept away from to pole 8, be close to the half slot position at disc 1 and install the locking piece through two screws are detachable, the locking piece is close to disc 1 one side and has also seted up the half slot, adjust the ring calliper on pole 8 in two half slots, thereby make and adjust pole 8 and disc 1 and rotate and be connected, also can be convenient for adjust the installation and the dismantlement of pole 8.

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. A fixture for efficiently clamping a workpiece, characterized in that it comprises a disc (1), and a square hole (2) is opened on the disc (1), and two of the square holes (2) are adjacent to each other. The side surface is a reference plane (20), and the two reference planes (20) are used for two adjacent sides of the workpiece to fit together so that the center line of the disk passes through the center of the workpiece. The two adjacent side surfaces correspond to the pressing components pressed against the two reference planes (20).

2. A fixture for efficiently clamping a workpiece according to claim 1, characterized in that: the pressing component comprises a pressing screw (3) threadedly installed on both sides of the disc (1) away from the reference plane (20). ), the direction of the center line of the pressing screw (3) is perpendicular to the corresponding reference plane (20).

3. A fixture for efficiently clamping a workpiece according to claim 2, characterized in that: both sides of the disc (1) away from the datum plane (20) are provided with escape holes (4), the The head of the pressing screw (3) is accommodated in the escape hole (4).

4 . The fixture for clamping workpieces efficiently according to claim 1 , wherein the four corners of the disc ( 1 ) close to the square hole ( 2 ) are provided with reaming holes ( 5 ). 5 .

5. A fixture for clamping workpieces efficiently according to claim 1, characterized in that: a through hole (6) is opened at the bottom of the square hole (2), and the cross-sectional area of the through hole (6) is smaller than that of the square hole (6). Cross-sectional area of hole (2).

6 . The fixture for efficiently clamping workpieces according to claim 1 , wherein the pressing component comprises a pressing block slidably arranged at the corner of the square hole ( 2 ) away from the two reference planes ( 20 ). 7 . (7), the angle between the sliding direction of the pressing block (7) and the two reference planes (20) is 45°, and the sliding center line of the pressing block (7) and the center of the disc (1) The lines intersect, and the pressing block (7) is provided with two pressing surfaces (70) parallel to the opposite reference planes (20) on one side close to the center of the square hole (2). Adjustment piece for adjusting the sliding position of the pressing block (7).

7. A fixture for clamping workpieces efficiently according to claim 6, characterized in that: the adjusting member comprises an adjusting rod (8) rotatably mounted on the disc (1), the adjusting rod (8) The length direction of the rod is parallel to the sliding direction of the pressing block (7), and the adjusting rod (8) is threadedly connected with the pressing block (7).

8 . The fixture for efficiently clamping workpieces according to claim 6 , wherein a slide bar ( 71 ) is arranged at the bottom of the pressing block ( 7 ), and a slide bar ( 71 ) is provided on the bottom of the disc ( 1 ). 9 . The sliding groove (72) for sliding the sliding bar (71), the length direction of the sliding bar (71) and the sliding groove (72) are both parallel to the sliding direction of the pressing block (7).