CN220637017U

CN220637017U - Workpiece clamping device

Info

Publication number: CN220637017U
Application number: CN202322047035.8U
Authority: CN
Inventors: 王明科
Original assignee: Dalian Xingyao Machinery Co ltd
Current assignee: Dalian Xingyao Machinery Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-03-22
Anticipated expiration: 2033-08-01

Abstract

The utility model relates to the technical field of vertical lathes and discloses a workpiece clamping device which comprises a motor box, wherein a clamping box is fixedly connected to the outer wall of the top of the motor box, a connecting flange is fixedly sleeved on the outer ring of the clamping box, a platform is fixedly connected to the outer wall of the top of the clamping box, a connecting hole is formed in the connecting flange, an auxiliary fixing device is arranged on the platform, the auxiliary fixing device comprises a fixing plate, and the fixing plate is fixedly connected to the outer wall of the top of the platform. Through setting up supplementary fixing device and carrying out supplementary fixed with the work piece, the manual work uses the rotation handle to make the threaded rod rotate, and the threaded rod rotates the in-process at the screw thread piece and removes, and the splint that the threaded rod made in the rotation tighten up, and the splint does not rotate under the cooperation of sliding tray and dead lever in anti-rotation subassembly and removes, prevents that the work piece from empting for dangerous coefficient when single operation reduces.

Description

Workpiece clamping device

Technical Field

The utility model relates to the technical field of vertical lathes, in particular to a workpiece clamping device.

Background

The vertical lathe is different from the common lathe in that the main shaft is vertical, which is equivalent to erecting the common lathe. Because the workbench is in the horizontal position, the machine is suitable for machining heavy parts with large diameters and short lengths. The existing vertical lathe workpiece clamping device is usually clamped and fixed by using a clamping block, one surface of the workpiece is always contacted, when the workpiece is machined by the lathe, the workpiece can generate certain vibration, and certain displacement can be generated between the clamping block and the workpiece over time, so that the workpiece is wrongly machined.

The publication number is: chinese patent CN217453032U discloses a workpiece clamping device for a vertical lathe, comprising a base, an adjusting plate, a sliding clamping block and a pressing device; according to the utility model, the square hole is adjusted to drive the adjusting knob in the base to rotate, the sliding direction of the sliding clamping block is limited through the slideway, so that a workpiece to be processed is clamped, the pressing device is installed through the rotating block, meanwhile, the rotating direction of the pressing device is limited, the sliding clamping block is connected with the adjusting knob in the base through the linkage device in the adjusting disc, the sliding clamping block can be synchronously adjusted to slide through the adjusting square hole, the workpiece can be clamped more effectively through the arc-shaped surface on the upper part of the sliding clamping block, and the friction force between the sliding clamping block and the workpiece can be increased through the anti-skidding lines on the outer side surface of the upper part of the sliding clamping block.

However:

the adoption of the rotating clamping auxiliary structure in the above patent easily results in incapability of rotating, thereby resulting in blocking of the clamping.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a workpiece clamping device. The clamping device has the advantages that different clamping devices can be adopted, so that the clamping effect of the workpiece is improved, and the workpiece is prevented from loosening in the machining process.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a work piece clamping device, includes the motor case, fixedly connected with centre gripping box on the top outer wall of motor case, the outer lane fixed cover of centre gripping box is equipped with flange, fixedly connected with platform on the top outer wall of centre gripping box, the connecting hole has been seted up on the flange, be provided with auxiliary fixing device on the platform, auxiliary fixing device includes the fixed plate, fixed plate fixedly connected on the top outer wall of platform, fixedly connected with screw thread piece on the fixed plate, threaded connection has the threaded rod on the screw thread piece, the one end fixedly connected with of threaded rod rotates the handle, the other end of threaded rod is connected with splint through the bearing rotation, the inside of centre gripping box is provided with fixed adjusting device, the bottom of splint is provided with anti-rotation subassembly.

Preferably, the number of the connecting holes is eight, the eight connecting holes are circumferentially distributed on the connecting flange, and the clamping assembly is more stably installed on the lathe by arranging a plurality of connecting holes, so that the stability of the clamping assembly is kept and the stability of workpiece machining is kept.

Preferably, the fixed adjusting device comprises a conical gear A, the conical gear A is fixedly connected with a motor in a motor case through a rotating shaft and a coupler, a groove is formed in the platform, a reciprocating screw rod is rotatably connected in the groove through a bearing, and a conical gear B is fixedly connected to the reciprocating screw rod.

Preferably, the fixed adjusting device further comprises a thread bush, the thread bush is in threaded connection with the reciprocating screw rod, a sliding block is fixedly connected to the thread bush, the sliding block is in sliding connection with the groove, a vertical rod is fixedly connected to the top of the thread bush, an extension rod is fixedly connected to the vertical rod, and a clamping block is fixedly connected to the extension rod.

Preferably, the number of the sliding blocks is two, the two sliding blocks are symmetrically arranged at two ends of the threaded sleeve, and the threaded sleeve is enabled to move along a straight line all the time through the sliding blocks, so that the clamping effect of the clamping block is improved.

Preferably, the anti-rotation component comprises a sliding groove, the sliding groove is formed in the platform, a fixing rod is connected in the sliding groove in a sliding manner, the top of the fixing rod is fixedly connected with the clamping plate, and the clamping plate stops rotating in the moving process of the threaded rod through the anti-rotation component, so that the orientation of the clamping plate is unchanged.

(III) beneficial effects

Compared with the prior art, the utility model provides a workpiece clamping device, which has the following beneficial effects:

1. this work piece clamping device through setting up supplementary fixing device with the work piece and assist fixedly, the manual work uses the rotation handle to make the threaded rod rotate, and the threaded rod moves in the screw thread piece rotation in-process, and the splint that the threaded rod made in the rotation tighten up, and the splint does not rotate under the cooperation of sliding tray and the dead lever in anti-rotation subassembly and removes, prevents that the work piece from empting for dangerous coefficient when single operation reduces.

2. This work piece clamping device through setting up fixed adjusting device with the centre gripping that the work piece was stable, and motor case operation drives bevel gear A and rotates, and bevel gear A drives bevel gear B and reciprocal lead screw and rotates, drives the thread bush motion when reciprocal lead screw rotates, and the thread bush makes pole setting cooperation extension rod make the clamp splice press from both sides tightly under the restriction of sliding block to can adjust according to the work piece of equidimension, strengthen the centre gripping effect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of the present utility model;

fig. 3 is a schematic view of the internal structure of the clamping box of the present utility model.

In the figure: 1. a motor case; 2. a clamping box; 3. a connecting flange; 4. a platform; 5. a connection hole; 6. an auxiliary fixing device; 601. a fixing plate; 602. a screw block; 603. a threaded rod; 604. rotating the handle; 605. a clamping plate; 7. fixing the adjusting device; 701. a conical gear A; 702. a groove; 703. a reciprocating screw rod; 704. a bevel gear B; 705. a thread sleeve; 706. a sliding block; 707. a vertical rod; 708. an extension rod; 709. clamping blocks; 8. an anti-rotation assembly; 801. a sliding groove; 802. and a fixing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

As shown in fig. 1-3, the utility model provides a workpiece clamping device, which comprises a motor case 1, a clamping box 2 is fixedly connected to the top outer wall of the motor case 1, a connecting flange 3 is fixedly sleeved on the outer ring of the clamping box 2, a platform 4 is fixedly connected to the top outer wall of the clamping box 2, connecting holes 5 are formed in the connecting flange 3, an auxiliary fixing device 6 is arranged on the platform 4, the auxiliary fixing device 6 comprises a fixing plate 601, the fixing plate 601 is fixedly connected to the top outer wall of the platform 4, a threaded block 602 is fixedly connected to the fixing plate 601, a threaded rod 603 is connected to the threaded block 602 in a threaded manner, one end of the threaded rod 603 is fixedly connected with a rotating handle 604, the other end of the threaded rod 603 is rotatably connected with a clamping plate 605 through a bearing, a fixed adjusting device 7 is arranged in the clamping box 2, anti-rotating components 8 are arranged at the bottom of the clamping plate 605, the eight connecting holes 5 are distributed on the connecting flange 3 in a circumferential manner, the clamping components are more stably arranged on the lathe through the plurality of connecting holes 5, and the workpiece processing stability is maintained.

In this embodiment, the auxiliary fixing device 6 is provided to fix the workpiece, the rotation handle 604 is manually used to rotate the threaded rod 603, the threaded rod 603 moves in the rotation process of the threaded block 602, the clamping plate 605 is tightened by the threaded rod 603 in the rotation process, the clamping plate 605 does not rotate to move under the cooperation of the sliding groove 801 in the anti-rotation component 8 and the fixing rod 802, and the workpiece is prevented from tilting, so that the risk coefficient during single person operation is reduced.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the method further comprises: the fixed adjusting device 7 comprises a bevel gear A701, the bevel gear A701 is fixedly connected with a motor in the motor case 1 through a rotating shaft and a coupler, a groove 702 is formed in the platform 4, a reciprocating screw rod 703 is rotatably connected in the groove 702 through a bearing, a bevel gear B704 is fixedly connected to the reciprocating screw rod 703, the fixed adjusting device 7 further comprises a threaded sleeve 705, the threaded sleeve 705 is connected to the reciprocating screw rod 703 in a threaded manner, a sliding block 706 is fixedly connected to the threaded sleeve 705, the sliding block 706 is slidably connected to the groove 702, a vertical rod 707 is fixedly connected to the top of the threaded sleeve 705, an extension rod 708 is fixedly connected to the vertical rod 707, clamping blocks 709 are fixedly connected to the extension rod 708, the number of the sliding blocks 706 is two, the two sliding blocks 706 are symmetrically arranged at two ends of the threaded sleeve 705, the threaded sleeve 705 is enabled to move along a straight line all the time through the arrangement of the sliding block 706, the clamping effect of the clamping blocks 709 is improved, the anti-rotation assembly 8 comprises a sliding groove 801, the sliding groove 801 is formed in the platform 4, a fixing rod 802 is slidably connected to the sliding groove 801, the top of the fixing rod 802 is fixedly connected to the clamping plate 605, the sliding rod 605 is fixedly connected to the clamping plate 605, the anti-rotation assembly 8 is fixedly connected to the clamping plate 605, and the clamping plate 605 is enabled to stop moving towards the clamping plate through the rotation assembly 603.

In this embodiment, the workpiece is stably clamped by setting the fixing and adjusting device 7, the motor case 1 operates to drive the bevel gear a701 to rotate, the bevel gear a701 drives the bevel gear B704 and the reciprocating screw 703 to rotate, the reciprocating screw 703 rotates and drives the threaded sleeve 705 to move, the threaded sleeve 705 enables the upright rod 707 to be matched with the extension rod 708 under the limitation of the sliding block 706 so as to clamp the clamping block 709, and the clamping effect can be enhanced by adjusting the workpiece according to different sizes.

The working principle of the workpiece clamping device is described in detail below.

As shown in fig. 1-3, in use, the threaded rod 603 is rotated by manually using the rotating handle 604, the threaded rod 603 moves in the rotating process of the threaded block 602, the clamping plate 605 is tightened by the threaded rod 603 in the rotating process, the clamping plate 605 does not rotate to move under the cooperation of the sliding groove 801 in the anti-rotation component 8 and the fixed rod 802, the conical gear a701 is driven to rotate by cooperating with the motor case 1, the conical gear a701 drives the conical gear B704 and the reciprocating screw 703 to rotate, the reciprocating screw 703 rotates and simultaneously drives the threaded sleeve 705 to move, and the threaded sleeve 705 enables the vertical rod 707 to cooperate with the extension rod 708 under the limitation of the sliding block 706 so as to clamp the clamping block 709.

Claims

1. Work piece clamping device, including motor case (1), its characterized in that: fixedly connected with centre gripping box (2) on the top outer wall of motor case (1), the outer lane fixed cover of centre gripping box (2) is equipped with flange (3), fixedly connected with platform (4) on the top outer wall of centre gripping box (2), connecting hole (5) have been seted up on flange (3), be provided with auxiliary fixture (6) on platform (4), auxiliary fixture (6) include fixed plate (601), fixed plate (601) fixed connection is on the top outer wall of platform (4), fixedly connected with screw thread piece (602) on fixed plate (601), threaded connection has threaded rod (603) on screw thread piece (602), one end fixedly connected with rotation handle (604) of threaded rod (603), the other end of threaded rod (603) is connected with splint (605) through the bearing rotation, the inside of centre gripping box (2) is provided with fixed adjusting device (7), the bottom of splint (605) is provided with anti-rotation subassembly (8).

2. A workpiece holding device as defined in claim 1, wherein: the number of the connecting holes (5) is eight, and the eight connecting holes (5) are circumferentially distributed on the connecting flange (3).

3. A workpiece holding device as defined in claim 1, wherein: the fixed adjusting device (7) comprises a conical gear A (701), the conical gear A (701) is fixedly connected with a motor in the motor box (1) through a rotating shaft and a coupler, a groove (702) is formed in the platform (4), a reciprocating screw rod (703) is rotatably connected in the groove (702) through a bearing, and a conical gear B (704) is fixedly connected on the reciprocating screw rod (703).

4. A workpiece holding device as claimed in claim 3, wherein: the fixed adjusting device (7) further comprises a thread bush (705), the thread bush (705) is in threaded connection with the reciprocating screw rod (703), a sliding block (706) is fixedly connected to the thread bush (705), the sliding block (706) is slidably connected to the groove (702), a vertical rod (707) is fixedly connected to the top of the thread bush (705), an extension rod (708) is fixedly connected to the vertical rod (707), and a clamping block (709) is fixedly connected to the extension rod (708).

5. A workpiece holding apparatus as defined in claim 4, wherein: the number of the sliding blocks (706) is two, and the two sliding blocks (706) are symmetrically arranged at two ends of the threaded sleeve (705).

6. A workpiece holding apparatus as defined in claim 4, wherein: anti-rotation subassembly (8) are including sliding tray (801), sliding tray (801) are seted up on platform (4), sliding connection has dead lever (802) in sliding tray (801), the top and splint (605) fixed connection of dead lever (802).