CN210756561U

CN210756561U - Workpiece clamping device for automatic numerical control machine tool

Info

Publication number: CN210756561U
Application number: CN201921892843.1U
Authority: CN
Inventors: 李东佳; 黄开俊
Original assignee: Chongqing Hyundai Wia Machinery Co Ltd
Current assignee: Chongqing Hyundai Wia Machinery Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-16
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a workpiece clamping device for an automatic numerical control machine, which comprises a base, a motor, a telescopic rod, a fixed block, a slide way and meshing teeth, wherein an electric telescopic rod is embedded in the base, the motor is fixed at one end of one electric telescopic rod, a gear is installed at the output end of the motor, a clamp is installed at the top end of the gear, a rack is fixed on the bottom surface of the clamp, the telescopic rod is fixed on the wall of the side body of the clamp, and a slider is installed at one end of the telescopic rod close to the clamp; the fixed block is clamped between the telescopic rods, the slide way is arranged in the side body wall of the fixed block, and a slide block is arranged in the slide way. This automatic change work piece clamping device for digit control machine tool no longer utilizes hydraulic telescoping rod directly to drive when adjusting anchor clamps position, but adopts the motor to drive the gear, utilizes the rack toothing of gear and anchor clamps bottom to drive anchor clamps position change for the position of anchor clamps changes, plays the effect of clamping.

Description

Workpiece clamping device for automatic numerical control machine tool

Technical Field

The utility model relates to a relevant equipment technical field of digit control machine tool work piece centre gripping specifically is an automatic change work piece clamping device for digit control machine tool.

Background

The numerical control machine tool is indispensable equipment for machining and manufacturing parts, the numerical control machine tool not only can grind the parts, but also can drill, cut and the like on the parts, the parts need to be stabilized by using a clamp in the machining process, and irreparable loss caused by deviation caused by position movement of the parts in machining is avoided; although the workpiece clamping device for the automatic numerical control machine tool in the current market is very many in type and quantity, most of the workpiece clamping devices for the automatic numerical control machine tool are directly driven by a hydraulic telescopic rod and are not stable in adjustment and fixation, so that the technology of improving the workpiece clamping device structure for the automatic numerical control machine tool is urgently needed in the market to perfect the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic change work piece clamping device for digit control machine tool to solve the automatic work piece clamping device for digit control machine tool on the existing market that above-mentioned background art provided and all use hydraulic telescoping rod directly to drive, adjust fixed unstable problem.

In order to achieve the above object, the utility model provides a following technical scheme: a workpiece clamping device for an automatic numerical control machine tool comprises a base, a motor, a telescopic rod, a fixed block, a slide way and meshing teeth, wherein an electric telescopic rod is embedded in the base;

the motor is fixed at one end of one of the electric telescopic rods, a gear is installed at the output end of the motor, a clamp is installed at the top end of the gear, a rack is fixed on the bottom surface of the clamp, the telescopic rod is fixed on the wall of the side body of the clamp, and a sliding block is installed at one end, close to the clamp, of the telescopic rod;

the fixed block is clamped between the telescopic rods, the slide way is arranged in the side body wall of the fixed block, a slide block is arranged inside the slide way, and the meshing teeth are fixed on the side body wall of the fixed block.

Preferably, a telescopic structure is formed between the electric telescopic rod and the gear, and the maximum telescopic distance of the gear is equal to the length of the telescopic arm of the electric telescopic rod.

Preferably, the gear and the rack are in meshed connection.

Preferably, the clamp and the fixing block form sliding connection, and the maximum sliding distance of the clamp is smaller than the length of the fixing block.

Preferably, the rack and the meshing teeth are arranged in a targeted mode, and the rack and the meshing teeth are meshed with each other.

Compared with the prior art, the beneficial effects of the utility model are that: this automatic change work piece clamping device for digit control machine tool:

1. when the device is used for adjusting the position of the clamp, the hydraulic telescopic rod is not used for directly driving the clamp, but a motor is used for driving a gear, and the gear is meshed with a rack at the bottom of the clamp to drive the position of the clamp to change, so that the position of the clamp is changed, and the clamping effect is achieved;

2. the device's anchor clamps only need the decline gear to make anchor clamps descend after the adjusting position to drive the rack and push down and mesh with the meshing tooth on the fixed block, anchor clamps after the meshing just can lose the possibility of removing, more traditional hydraulic telescoping clamp need more firm.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is the schematic view of the connection structure between the clamp and the fixing block of the present invention.

In the figure: 1. the base, 2, electric telescopic handle, 3, motor, 4, gear, 5, anchor clamps, 6, rack, 7, telescopic link, 8, slider, 9, fixed block, 10, slide, 11, meshing tooth.

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 an automatic numerical control machine tool comprises a base 1, an electric telescopic rod 2, a motor 3, a gear 4, a clamp 5, a rack 6, a telescopic rod 7, a sliding block 8, a fixing block 9, a slide way 10 and meshing teeth 11, wherein the electric telescopic rod 2 is embedded in the base 1, a telescopic structure is formed between the electric telescopic rod 2 and the gear 4, the maximum telescopic distance of the gear 4 is equal to the length of a telescopic arm of the electric telescopic rod 2, the clamp 5 is meshed with the upper end of the gear 4, and the clamp 5 can be lowered when the gear 4 is lowered, so that the clamp 5 is meshed with the meshing teeth 11, and the anti-skidding and stable effect is achieved;

the motor 3 is fixed at one end of one of the electric telescopic rods 2, the gear 4 is installed at the output end of the motor 3, the gear 4 is connected with the rack 6 in a meshing manner, the gear 4 is meshed with the rack 6, when the motor 3 drives the gear 4 to rotate, the position of the clamp 5 on the rack 6 is changed by utilizing the rotating gear 4, the effect of controlling the distance between the clamps 5 is achieved, the clamp 5 is installed at the top end of the gear 4, the clamp 5 is connected with the fixed block 9 in a sliding manner, the maximum sliding distance of the clamp 5 is smaller than the length of the fixed block 9, the clamp 5 is inevitably unstable only depending on the meshing support of the gear 4, the telescopic rod 7 can just support the clamp 5, meanwhile, the telescopic rod 7 slides on the fixed block 9 along with the clamp 5 by utilizing the sliding block 8, the clamp 5 can be supported, the activity of the clamp 5 is not influenced, the, the telescopic rod 7 is fixed on the wall of the side body of the clamp 5, and a sliding block 8 is installed at one end, close to the clamp 5, of the telescopic rod 7;

fixed block 9 clamp is between telescopic link 7, slide 10 offer in fixed block 9 side body wall and slide 10 internally mounted has slider 8, meshing tooth 11 is fixed on a side body wall of fixed block 9, settle for the pertinence between rack 6 and the meshing tooth 11, and intermeshing between rack 6 and the meshing tooth 11, make rack 6 descend naturally and mesh with the meshing tooth 11 that the position is directed when anchor clamps 5 descend, can restrict the position of anchor clamps 5 through meshing.

The working principle is as follows: when the workpiece clamping device for the automatic numerical control machine tool is used, firstly, a simple understanding needs to be carried out on the workpiece clamping device for the automatic numerical control machine tool, firstly, the motor 3 is started to drive the gear 4 to rotate, the space between the two clamps 5 is controlled by the meshing of the gear 4 and the rack 6, when the clamps 5 are driven to move, the telescopic rod 7 can slide in the slide way 10 of the fixed block 9 by utilizing the slide block 8 because the clamps 5 are supported by the telescopic rod 7, so as to match the movement of the clamps 5, at the moment, the workpieces to be clamped are placed in the clamps 5, after the clamps 5 are driven to stably clamp the workpieces by controlling the rotation of the gear 4, the clamps 5 are driven to descend by utilizing the contraction of the electric telescopic rod 2, the telescopic rod 7 can also contract in a matching manner, after the clamps 5 descend, the rack 6 can also descend and be meshed with the meshing teeth 11 which are arranged, this is the workflow of the device and is not described in detail in this description, which is well known to a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic change work piece clamping device for digit control machine tool, includes base (1), motor (3), telescopic link (7), fixed block (9), slide (10) and meshing tooth (11), its characterized in that: an electric telescopic rod (2) is embedded in the base (1), wherein;

the electric telescopic rod comprises a motor (3), a gear (4), a clamp (5), a rack (6), a telescopic rod (7) and a sliding block (8), wherein the motor (3) is fixed at one end of one electric telescopic rod (2), the gear (4) is installed at the output end of the motor (3), the clamp (5) is installed at the top end of the gear (4), the rack (6) is fixed at the bottom surface of the clamp (5), the telescopic rod (7) is fixed on the side body wall of the clamp (5), and the sliding block (;

fixed block (9) clamp closes between telescopic link (7), slide (10) are seted up in fixed block (9) side body wall and slide (10) internally mounted has slider (8), meshing tooth (11) are fixed on a side body wall of fixed block (9).

2. The workpiece clamping device for the automatic numerical control machine tool according to claim 1, wherein: an expansion structure is formed between the electric telescopic rod (2) and the gear (4), and the maximum expansion distance of the gear (4) is equal to the length of the self expansion arm of the electric telescopic rod (2).

3. The workpiece clamping device for the automatic numerical control machine tool according to claim 1, wherein: the gear (4) is in meshed connection with the rack (6).

4. The workpiece clamping device for the automatic numerical control machine tool according to claim 1, wherein: and the fixture (5) is in sliding connection with the fixing block (9), and the maximum sliding distance of the fixture (5) is smaller than the length of the fixing block (9).

5. The workpiece clamping device for the automatic numerical control machine tool according to claim 1, wherein: the rack (6) and the meshing teeth (11) are arranged in a targeted mode, and the rack (6) and the meshing teeth (11) are meshed with each other.