CN214979421U

CN214979421U - Clamp for clamping bent workpiece

Info

Publication number: CN214979421U
Application number: CN202121435257.1U
Authority: CN
Inventors: 龙告; 王宣
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: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The application relates to a clamp for clamping a bent workpiece, which comprises a disc, wherein a limiting cylinder is installed on the disc, and a locking assembly for locking the workpiece on the disc is installed on the disc. This application has the workman of being convenient for when processing crooked work piece and firmly the centre gripping the characteristics of carrying out processing on the lathe to can guarantee the machining accuracy of lathe, in order to reach the effect that improves crooked work piece processingquality.

Description

Clamp for clamping bent workpiece

Technical Field

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

Background

The fixture adopted by the lathe is generally a chuck, the chuck can clamp one end of a cylindrical shaft workpiece, and then the other end of the workpiece is machined through the lathe.

A bending workpiece with a circular cross section is characterized in that the length direction of a bending part of the bending workpiece and the length direction of a main shaft form a preset angle, a chuck on a lathe is difficult to clamp the bending end of the bending workpiece in the machining process of the bending workpiece, and the clamping stability cannot be guaranteed, so that the quality of the bending workpiece is influenced.

In view of the above-mentioned related art, the inventor considers that it is difficult for the current lathe to firmly clamp the bent workpiece, thereby affecting the quality of the bent workpiece machining, and this is to be further improved.

SUMMERY OF THE UTILITY MODEL

In order to clamp a bent part of a bent workpiece more firmly and improve the processing quality of the bent workpiece, the application provides a clamp for clamping the bent workpiece.

The application provides a anchor clamps for centre gripping crooked work piece adopts following technical scheme:

the utility model provides a anchor clamps for centre gripping crooked work piece, includes the disc, install spacing section of thick bamboo on the disc, install on the disc and be used for locking the locking subassembly on the disc with the work piece.

By adopting the technical scheme, the limiting barrel and the locking assembly are installed, the bending part of the workpiece can be sleeved in the limiting barrel, the central line of the main shaft of the workpiece is aligned with the central line of the disc, and the workpiece with the adjusted position is locked by the locking piece, so that the disc can be clamped on the chuck of the lathe to process the workpiece, the operation is simple, the main shaft of the workpiece is aligned with the processing central line more easily, and the processing quality of the workpiece is improved.

Optionally, the locking assembly comprises a threaded rod which is installed on the limiting cylinder in a threaded manner, and the length direction of the threaded rod is perpendicular to the length direction of the limiting cylinder.

Through adopting above-mentioned technical scheme, the installation threaded rod can support through the tip of threaded rod and press the work piece to make installing in spacing section of thick bamboo that the work piece can be firm, so that process simple structure, convenient operation to the work piece.

Optionally, the disc is symmetrically provided with limiting blocks for limiting the workpiece, and the limiting blocks are provided with fixing rods for fixing the workpiece in a threaded manner.

Through adopting above-mentioned technical scheme, through installing stopper, dead lever, can further restrict the work piece to make the main shaft part of work piece install on the disc more firmly, reduce the work piece and add man-hour at the atress, it is more stable, thereby can improve the quality of work piece processing.

Optionally, a groove matched with the bending position of the workpiece is formed in one side, close to the center of the disc, of the limiting cylinder.

Through adopting above-mentioned technical scheme, mounting groove, in the crooked inboard recess that holds of work piece to can make the work piece fix a position the installation more easily, improve the installation effectiveness of work piece, simultaneously, can also block the work piece, further improve the convenience and the stability of work piece installation.

Optionally, a gasket matched with the inner wall of the limiting cylinder is slidably mounted in the limiting cylinder along the length direction of the threaded rod, and the end of the threaded rod is pressed on one side, far away from the center of the limiting cylinder, of the gasket.

Through adopting above-mentioned technical scheme, the mounting pad can improve the area of contact with the work piece, not only can support the work piece firmly more, but also better protection work piece reduces the indentation.

Optionally, a guide rod is installed on one side, close to the threaded rod, of the gasket, and the guide rod penetrates through the limiting cylinder in a sliding mode along the length direction of the threaded rod.

Through adopting above-mentioned technical scheme, the installation guide bar, the guide bar slides and sets up on spacing section of thick bamboo, on the one hand, can be convenient for the installation and the dismantlement of guide bar and gasket, and the cost is lower, and on the other hand can make the slip of gasket more smooth, improves the efficiency and the quality of fastening the work piece.

Optionally, a sliding block with a T-shaped cross section is installed on one side, close to the disc, of the limiting cylinder, a sliding chute for the sliding block is formed in the disc, a pressing rod is installed on the disc in a threaded manner, and a rod portion of the pressing rod is screwed into the sliding chute and pressed on the sliding block in a pressing manner.

By adopting the technical scheme, the position of the limiting cylinder can be conveniently installed and detached by installing the sliding block and the abutting rod so as to improve the machining efficiency, and in addition, the installation position of the limiting cylinder can be conveniently adjusted so that the center of the main shaft of the workpiece is aligned to the center of the disc so as to improve the machining quality of the workpiece.

Optionally, an adjusting rod is rotatably mounted on the disc, the adjusting rod is in threaded connection with the limiting cylinder, and the length direction of the adjusting rod is parallel to the length direction of the limiting cylinder.

Through adopting above-mentioned technical scheme, the pole is adjusted in the installation, through rotating the regulation pole, can drive spacing section of thick bamboo through the screw thread relation of adjusting pole and spacing section of thick bamboo and slide on the disc to in the position of adjusting spacing section of thick bamboo, thereby make the position of spacing section of thick bamboo more accord with the processing requirement, with the processingquality who improves the work piece.

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

1. the disc, the limiting cylinder and the threaded rod are mounted, so that the bent end of the workpiece can be fixed in the limiting cylinder, the disc can be conveniently clamped by a lathe chuck, a lathe can finish the workpiece, and the quality of the workpiece is improved;

2. through installing the slider, supporting the depression bar, adjusting the pole and seting up the spout, not only can be convenient for change not unidimensional spacing section of thick bamboo to the not unidimensional work piece of adaptation processing can also be convenient for adjust the position of a spacing section of thick bamboo, so that the work piece accords with the processing requirement more, then can further improve the quality of work piece.

Drawings

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

Fig. 2 is a schematic structural diagram of the workpiece during installation in the embodiment of the present application.

Description of reference numerals:

1. a disc; 2. a limiting cylinder; 201. a groove; 20. a slider; 21. a chute; 22. a pressing rod; 3. a threaded rod; 4. a limiting block; 40. fixing the rod; 5. a gasket; 50. a guide bar; 6. and adjusting the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a clamp for clamping a bent workpiece.

Referring to fig. 1, the fixture for clamping a curved workpiece includes a disc 1, the disc 1 is mounted, in this embodiment, a limiting cylinder 2 is mounted on one side of the disc 1, a central line of the limiting cylinder 2 is perpendicular to and intersects with a central line of the disc 1, a locking assembly is mounted on the limiting cylinder 2, the workpiece can be stably mounted in the limiting cylinder 2 by the locking assembly, so that a curved portion of the workpiece can be limited in the limiting cylinder 2, and a central line of a spindle of the workpiece is adjusted to coincide with the central line of the disc 1, so that when the disc 1 is clamped by a chuck on a lathe, the central line of the spindle of the workpiece can be aligned with the central line of the chuck, the mounting accuracy of the workpiece is improved, and the machining accuracy of the workpiece can be improved, so that the machining quality of the workpiece is improved.

In this embodiment, the locking subassembly is including installing threaded rod 3 on spacing section of

thick bamboo

2, and 3 threads of threaded rod wear to establish and keep away from disc 1 one side at spacing section of thick bamboo 2, and the end supports presses the work piece that passes spacing section of thick bamboo 2 inside to make the work piece can install firmly in spacing section of thick bamboo 2, in this embodiment, threaded rod 3 is provided with two, in order to improve the stability of work piece.

In this embodiment, in order to facilitate installation of a workpiece, the workpiece is further limited, a groove 201 is formed in one side of the disc 1 of the limiting cylinder 2 and at one end close to the center of the disc 1, and the groove 201 is matched with the curved inner side of the workpiece, so that when the curved inner side of the workpiece is pressed against the lower wall of the groove 201, the position of the workpiece can be better adjusted under the guidance of the groove 201, and the center line of the spindle of the workpiece is overlapped with the center line of the disc 1.

Install on disc 1 for making the work piece more firm, so that the work piece atress adds man-hour, the work piece is more firm, in order to improve the precision of work piece processing, in this embodiment, install two stopper 4 on disc 1, the length direction of stopper 4 parallels with the length direction of spacing section of thick bamboo 2, two stopper 4 set up the both sides at spacing section of thick bamboo 2, the dead lever 40 is worn to be equipped with by the screw thread on a stopper 4, 3 screw threads of threaded rod pass stopper 4 and support and press on the work piece, thereby make the work piece by the centre gripping in two spacing section of thick bamboo 2, in order to restrict the main shaft to the work piece.

In this embodiment, set up a plurality of screw holes on the stopper 4, through selecting into different screw holes with stopper 4, can adjust the clamping position to the work piece of different shape sizes of adaptation that can be better can further strengthen the centre gripping dynamics to the work piece through a plurality of dead levers 40 of screw in, with the installation steadiness that improves the work piece.

In this embodiment, slidable mounting has gasket 5 on spacing section of thick bamboo 2, and gasket 5 and the laminating of the inner wall looks adaptation of spacing section of thick bamboo 2 are close to spacing section of thick bamboo 2 inner wall one side of laminating at gasket 5 and are fixed with many guide bars 50, and guide bar 50 slides and wears to establish on spacing section of thick bamboo 2, in this embodiment, is provided with four guide bars 50 and evenly distributed at four corners of gasket 5.

The length direction of the guide rod 50 is parallel to the length direction of the threaded rod 3, the end parts of the two threaded rods 3 are abutted against the gasket 5, so that the gasket 5 is abutted against a workpiece, compared with the case that the threaded rod 3 is directly abutted against the workpiece, the gasket 5 has a larger contact area with the workpiece, the condition of generating an indentation on the workpiece can be reduced, the indentation can be better protected, meanwhile, the workpiece can be more stably clamped, the condition that the workpiece is stressed too much and moves during machining is reduced, and the machining quality of the workpiece can be improved.

In this embodiment, for the processing of the different size work pieces of adaptation, install slider 20 in spacing section of thick bamboo 2 near disc 1 one side, seted up at the side of disc 1 with slider 20 adaptation and supply slider 20 including gliding spout 21, the cross section of spout 21 is the T type, and the length direction of spout 21 is parallel with the length direction of spacing section of thick bamboo 2, threaded mounting has a plurality of pressure bars 22 on disc 1, support in the pole portion screw thread screw in spout 21 of pressure bar 22, and support and press on slider 20, thereby can restrict the slip of slider 20, make spacing section of thick bamboo 2 fix on disc 1, therefore, can be convenient for install and dismantle spacing section of thick bamboo 2, change the not spacing section of thick bamboo 2 in equidimension, then process the not unidimension ground work piece.

In this embodiment, a plurality of screw holes have been seted up in the position that disc 1 is close to spacing section of thick bamboo 2 both sides, through the different screw hole of the 22 screw in that will support, aim at the middle part of slider 20 and support the pressure to firm slider 20 also can support the pressure to slider 20 firmly through a plurality of pressure poles 22 that support of installation, simple structure, easy dismounting.

In this embodiment, after the workpiece bending portion is installed on the limiting cylinder 2, the position of the center line of the workpiece spindle and the position of the center line of the disc 1 need to be calibrated, that is, a meter is made, in order to facilitate the position calibration of the workpiece, referring to fig. 2, a heightening block is installed on the edge of one side of the disc 1, an adjusting rod 6 is installed on the heightening block in a rotating manner, the length direction of the adjusting rod 6 is parallel to the length direction of the limiting cylinder 2, an extending block is installed on the side, close to the heightening block, of the limiting cylinder 2, the adjusting rod 6 is in threaded connection with the extending block, so that the limiting cylinder 2 can be driven to slide by rotating the adjusting rod 6, and the position of the workpiece can be adjusted.

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 clamp for clamping a curved workpiece, comprising: the automatic workpiece locking device comprises a disc (1), wherein a limiting cylinder (2) is installed on the disc (1), and a locking assembly used for locking a workpiece on the disc (1) is installed on the disc (1).

2. A fixture for holding curved workpieces as recited in claim 1, wherein: the locking assembly comprises a threaded rod (3) which is installed on the limiting barrel (2) in a threaded mode, and the length direction of the threaded rod (3) is perpendicular to the length direction of the limiting barrel (2).

3. A fixture for holding curved workpieces as recited in claim 1, wherein: the disc (1) is symmetrically provided with limit blocks (4) for limiting workpieces, and the limit blocks (4) are provided with fixing rods (40) for fixing the workpieces in a threaded manner.

4. A fixture for holding curved workpieces as recited in claim 1, wherein: one side of the limiting cylinder (2) close to the center of the disc (1) is provided with a groove (201) matched with the bending position of the workpiece.

5. A fixture for holding curved workpieces as recited in claim 2, wherein: the limiting cylinder (2) is internally provided with a gasket (5) matched with the inner wall of the limiting cylinder (2) along the length direction of the threaded rod (3), and the end part of the threaded rod (3) is supported against the gasket (5) to be far away from one side of the center of the limiting cylinder (2).

6. A clamp for clamping a curved workpiece according to claim 5, wherein: the gasket (5) are close to threaded rod (3) one side and install guide bar (50), guide bar (50) slide along threaded rod (3) length direction and wear to establish on spacing section of thick bamboo (2).

7. A fixture for holding curved workpieces as recited in claim 1, wherein: the limiting cylinder (2) is close to one side of the disc (1) and is provided with a sliding block (20) with a T-shaped cross section, a sliding groove (21) for the sliding block (20) to slide is formed in the disc (1), a pressing rod (22) is installed on the disc (1) in a threaded mode, and a rod portion of the pressing rod (22) is screwed into the sliding groove (21) and pressed on the sliding block (20).

8. A fixture for holding curved workpieces as recited in claim 7, wherein: the adjustable limiting device is characterized in that an adjusting rod (6) is rotatably mounted on the disc (1), the adjusting rod (6) is in threaded connection with the limiting barrel (2), and the length direction of the adjusting rod (6) is parallel to the length direction of the limiting barrel (2).