CN217413265U

CN217413265U - Workpiece clamping device for machining of numerical control machine tool

Info

Publication number: CN217413265U
Application number: CN202220277626.7U
Authority: CN
Inventors: 柳彬; 刘如邦; 易传江
Original assignee: Shenzhen Hongweisheng Precision Technology Co ltd
Current assignee: Shenzhen Hongweisheng Precision Technology Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-09-13
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a work piece clamping device is used in digit control machine tool processing relates to digit control machine tool technical field. This workpiece clamping device for numerical control machine tool machining, including the numerical control workstation, sliding connection has mounting fixture, removal anchor clamps from left to right in proper order above the numerical control workstation, fixed mounting has the anti-pinch device in the removal anchor clamps, the spacing groove has been seted up in the mounting fixture, the spacing groove passes through the spring and links with stop device elasticity. This work piece clamping device for digit control machine tool processing promotes left through removing the anchor clamps handle and removes anchor clamps messenger work piece and mounting fixture laminating and press from both sides tightly, when treating that the staff continues to promote and removes anchor clamps, prevents pressing from both sides and hinders the pole and make the dead lever stretch out and insert the limiting plate by right extrusion fit hydraulic component to make and remove anchor clamps cooperation mounting fixture and press from both sides the work piece tightly, make the staff can't continue to promote simultaneously and remove anchor clamps and press from both sides tightly, prevent to press from both sides the too violently work piece damage that leads to.

Description

Workpiece clamping device for machining of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a work piece clamping device for digit control machine tool processing.

Background

The numerically controlled machine tool is an automatic machine tool with program control system, and the control system can logically process the program with control code or other symbol command, decode it, express it with coded number, input it to the numerically controlled device via information carrier, and send out various control signals via operation processing to control the action of the machine tool, and automatically machine the parts according to the shape and size required by the drawing.

Through retrieval, chinese patent with publication number CN213438479U discloses a workpiece clamping device for a numerical control machine tool, which realizes automatic clamping and fixing of workpieces when in use, and simultaneously improves the stability during clamping, and has simple structure and high reliability.

However, in the process of clamping the workpiece, the device is complex in adjusting the clamping force parameters of the hydraulic clamping structures, the workpiece is clamped or damaged due to possible misoperation, the clamps on two sides are required to be adjusted to position the workpiece in the operation process, the operation is complex, and the two hydraulic clamping structures waste resources.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a work piece clamping device is used in digit control machine tool processing has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a work piece clamping device is used in digit control machine tool processing, includes the numerical control workstation, sliding connection has mounting fixture, removal anchor clamps from left to right in proper order above the numerical control workstation, fixed mounting has the anti-pinch device in the removal anchor clamps, the spacing groove has been seted up in the mounting fixture, the spacing groove passes through spring and stop device elastic connection, stop device keeps away from one end contact of mounting fixture has the limiting plate, one side fixed mounting that mounting fixture kept away from removal anchor clamps has the mounting fixture handle, one side fixed mounting that mounting fixture was kept away from to removal anchor clamps has removal anchor clamps handle.

Preferably, prevent pressing from both sides and hinder the device and include hydraulic assembly, the one end sliding connection that hydraulic assembly is close to the limiting plate has the dead lever, hydraulic assembly other end sliding connection has prevents pressing from both sides and hinders the pole, the one end fixed mounting that hydraulic assembly was kept away from to the pole that prevents pressing from both sides has the rubber pad.

Preferably, the limiting device comprises a limiting rod, a U-shaped insert block is fixedly mounted at one end, close to the limiting plate, of the limiting rod, and a pull ring is fixedly mounted at the other end of the limiting rod.

Preferably, the numerical control workbench is provided with a sliding chute, and the shape and size of the sliding chute are matched with those of the movable clamp and the fixed clamp.

Preferably, the limiting plate is provided with a U-shaped notch, and the shape and the size of the U-shaped notch are matched with the anti-pinch device and the limiting device.

Preferably, the rubber pad is elastically connected with the hydraulic assembly through a spring, and the spring is sleeved on the anti-pinch rod.

(III) advantageous effects

The utility model provides a workpiece clamping device for numerical control machine tool machining. The method has the following beneficial effects:

(1) this work piece clamping device is used in digit control machine tool processing promotes left through removing the anchor clamps handle and removes anchor clamps messenger work piece and mounting fixture laminating and press from both sides tightly, when treating that the staff continues to promote and removes anchor clamps, prevents pressing from both sides and hinders the pole and is made the dead lever stretch out and insert the limiting plate by right extrusion fit hydraulic assembly to make and remove anchor clamps cooperation mounting fixture and press from both sides the work piece tightly, make the staff can't continue to promote simultaneously and remove anchor clamps and press from both sides tightly, prevent to press from both sides the too violently work piece damage that leads to.

(2) This work piece clamping device for digit control machine tool processing, upwards pulling pull ring makes the U-shaped inserted block break away from limiting plate U-shaped groove when needing to relieve and press from both sides tightly, takes off the work piece through the position of adjusting mounting fixture, prevents pressing from both sides simultaneously and hinders the pole spring and make the dead lever withdraw and press from both sides tightly again to make and press from both sides tight easy operation convenience, and need not two hydraulic pressure clamping structure, resources are saved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the anti-pinch device of the present invention;

fig. 3 is a schematic structural view of the limiting device of the present invention.

In the figure: 1. a numerical control workbench; 2. moving the clamp; 3. a pinch-proof device; 301. a hydraulic assembly; 302. fixing the rod; 303. a clamping injury prevention rod; 304. a rubber pad; 4. fixing the clamp; 5. a limiting groove; 6. a limiting device; 601. a limiting rod; 602. a U-shaped insert block; 603. a pull ring; 7. a limiting plate; 8. fixing the clamp handle; 9. the clamp grip is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a workpiece clamping device for machining of a numerical control machine tool comprises a numerical control workbench 1, a fixed clamp 4 and a movable clamp 2 are sequentially connected above the numerical control workbench 1 from left to right in a sliding mode, a sliding groove is formed in the numerical control workbench 1, the shape and the size of the sliding groove are matched with those of the movable clamp 2 and the fixed clamp 4, the movable clamp 2 and the fixed clamp 4 are conveniently controlled to slide, an anti-pinch device 3 is fixedly installed in the movable clamp 2, the anti-pinch device 3 comprises a hydraulic assembly 301, one end, close to a limiting plate 7, of the hydraulic assembly 301 is connected with a fixed rod 302 in a sliding mode, the other end of the hydraulic assembly 301 is connected with an anti-pinch rod 303 in a sliding mode, one end, far away from the hydraulic assembly 301, of the anti-pinch rod 303 is fixedly installed with a rubber pad 304, the workpiece and the anti-pinch rod 303 are prevented from being in rigid contact to cause damage to the workpiece or the clamp, the rubber pad 304 is elastically connected with the hydraulic assembly 301 through a spring, and the spring is sleeved on the anti-pinch rod 303, can make after taking out the work piece prevent pressing from both sides and hinder device 3 and remove spacingly, promote to remove anchor clamps 2 through removing anchor clamps handle 9 left and make work piece and 4 laminating of mounting fixture press from both sides tightly, when treating that the staff continues to promote to remove anchor clamps 2, prevent pressing from both sides and hinder pole 303 and make dead lever 302 stretch out and insert limiting plate 7 by right extrusion fit hydraulic component 301, thereby make and remove 2 cooperation mounting fixture 4 of anchor clamps and press from both sides the work piece tightly, it is tight to make the staff can't continue to promote to remove anchor clamps 2 simultaneously, prevent to press from both sides and lead to the work piece to damage by fiercely.

In the embodiment, a limiting groove 5 is formed in a fixed clamp 4, the limiting groove 5 is elastically connected with a limiting device 6 through a spring to facilitate resetting of a limiting rod 601, the limiting device 6 comprises the limiting rod 601, one end, close to a limiting plate 7, of the limiting rod 601 is fixedly provided with a U-shaped insert block 602, the other end of the limiting rod 601 is fixedly provided with a pull ring 603, a worker can conveniently control the fixed clamp 4 to release clamping of a workpiece, one end, far away from the fixed clamp 4, of the limiting device 6 is contacted with the limiting plate 7, the limiting plate 7 is provided with a U-shaped notch, the shape and the size of the U-shaped notch are matched with an anti-pinch device 3 and the limiting device 6, the U-shaped insert block 602 and the fixing rod 302 can be conveniently inserted into the limiting plate 7 for limiting, one side, far away from a movable clamp 2, of the fixed clamp 4 is fixedly provided with a fixed clamp handle 8, when clamping needs to be released, the pull ring 603 is upwards to enable the U-shaped insert block 602 to be separated from the limiting plate 7, the workpiece is taken down by adjusting the position of the fixed clamp 4, and meanwhile, the spring of the clamping injury prevention rod 303 enables the fixed rod 302 to be retracted to clamp again, so that the clamping operation is simple and convenient, two hydraulic clamping structures are not needed, the resource is saved, and one side, far away from the fixed clamp 4, of the movable clamp 2 is fixedly provided with a movable clamp handle 9.

When the clamping device works (or is used), a workpiece is placed between the movable clamp 2 and the fixed clamp 4, then the movable clamp 2 is pushed leftwards through the movable clamp handle 9 to enable the rubber pad 304 to be in contact with the workpiece to push the workpiece, when a worker continues to push the movable clamp 2 after the other side of the workpiece is attached to the fixed clamp 4, the rubber pad 304 extrudes the anti-clamping rod 303 rightwards, the fixed rod 302 is enabled to extend out and insert into the limiting plate 7 in cooperation with the hydraulic component 301, so that the movable clamp 2 is matched with the fixed clamp 4 to clamp the workpiece, meanwhile, the worker cannot continue to push the movable clamp 2 to prevent the workpiece from being damaged due to over-clamping, the workpiece can be clamped by pushing the movable clamp 2 to be matched with the fixed clamp 4, when the clamping is required to be relieved, the pull ring 603 is pulled upwards to enable the U-shaped insert block 602 to be separated from the U-shaped groove of the limiting plate 7, the workpiece is taken down by adjusting the position of the fixed clamp 4, and meanwhile, the spring of the anti-clamping rod 303 is enabled to withdraw the fixed rod 302 to be clamped again, thereby the clamping operation is simple and convenient, two hydraulic clamping structures are not needed, and the resource is saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a work piece clamping device is used in digit control machine tool processing, includes numerical control workstation (1), its characterized in that: numerical control workstation (1) top from left to right sliding connection has mounting fixture (4), moving clamp (2) in proper order, moving clamp (2) interior fixed mounting has prevents pressing from both sides and hinders device (3), spacing groove (5) have been seted up in mounting fixture (4), spacing groove (5) are through spring and stop device (6) elastic connection, the one end contact that mounting fixture (4) were kept away from in stop device (6) has limiting plate (7), one side fixed mounting that moving clamp (2) were kept away from in mounting fixture (4) has mounting fixture handle (8), one side fixed mounting that moving clamp (2) were kept away from mounting fixture (4) has moving clamp handle (9).

2. The workpiece clamping device for numerical control machine tool machining according to claim 1, characterized in that: prevent pressing from both sides hindering device (3) and include hydraulic assembly (301), hydraulic assembly (301) are close to one end sliding connection of limiting plate (7) has dead lever (302), hydraulic assembly (301) other end sliding connection has prevents pressing from both sides hindering pole (303), the one end fixed mounting that hydraulic assembly (301) were kept away from to prevent pressing from both sides hindering pole (303) has rubber pad (304).

3. The workpiece clamping device for the numerical control machine tool machining according to claim 1, characterized in that: stop device (6) include gag lever post (601), the one end fixed mounting that gag lever post (601) is close to limiting plate (7) has U-shaped inserted block (602), gag lever post (601) other end fixed mounting has pull ring (603).

4. The workpiece clamping device for the numerical control machine tool machining according to claim 1, characterized in that: a sliding groove is formed in the numerical control workbench (1), and the shape and the size of the sliding groove are matched with those of the movable clamp (2) and the fixed clamp (4).

5. The workpiece clamping device for the numerical control machine tool machining according to claim 1, characterized in that: the limiting plate (7) is provided with a U-shaped notch, and the shape and the size of the U-shaped notch are matched with the anti-pinch device (3) and the limiting device (6).

6. The workpiece clamping device for the numerical control machine tool machining according to claim 2, characterized in that: the rubber pad (304) is elastically connected with the hydraulic assembly (301) through a spring, and the spring is sleeved on the anti-pinch rod (303).