CN217096753U

CN217096753U - CNC bull fixture device

Info

Publication number: CN217096753U
Application number: CN202221073846.4U
Authority: CN
Inventors: 王贤聪
Original assignee: Dongguan Duomi Precision Technology Co ltd
Current assignee: Dongguan Duomi Precision Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-02
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a CNC bull anchor clamps device, including casing and fixing base, the equal fixed welding in casing both ends has the fixing base, the casing inner chamber rotates and installs the worm wheel, and the worm wheel is provided with two sets ofly altogether, the equal fixed welding in worm wheel top has the connecting rod No. one, the connecting rod top all is rotated through the pivot and is connected with anchor clamps, the anchor clamps lateral wall rotates through the pivot and installs the connecting rod No. two, No. two the connecting rod other end all links to each other through pivot and casing inner chamber, and is two sets of the meshing is connected with the worm in the middle part of the worm wheel. The utility model discloses when carrying out the centre gripping to the work piece, possess self-locking function to need not to lock the anchor clamps after carrying out the centre gripping to the work piece, use convenience very, and when carrying out the centre gripping to the work piece, possess the buffering effect, avoid pressing from both sides the work piece bad, it is more convenient to use.

Description

CNC bull fixture device

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically be a CNC bull anchor clamps device.

Background

The device is used for fixing the processing object to make the processing object occupy the correct position in the mechanical manufacturing process so as to receive construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled and clamped before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing.

However, the conventional clamping device for machining equipment has the following disadvantages:

the clamping device for machining the existing mechanical equipment does not have a self-locking function when clamping a workpiece, so that the clamp is required to be locked after the workpiece is clamped, the clamping device is inconvenient to use, and does not have a buffering effect when clamping the workpiece, so that the workpiece is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide clamping device for machining equipment to in solving above-mentioned background art, current clamping device for machining equipment does not possess self-locking function when carrying out the centre gripping to the work piece, thereby still need lock the anchor clamps after carrying out the centre gripping to the work piece, uses very inconvenient, and when carrying out the centre gripping to the work piece, does not possess the buffering effect, thereby presss from both sides the problem of bad with the work piece easily.

In order to achieve the above object, the utility model provides a following technical scheme: a CNC multi-head clamp device comprises a shell and fixing seats, wherein the two ends of the shell are fixedly welded with the fixing seats, worm wheels are rotatably installed in an inner cavity of the shell, two groups of worm wheels are arranged, a first connecting rod is fixedly welded at the top of each worm wheel, the top of the first connecting rod is rotatably connected with a clamp through a rotating shaft, a second connecting rod is rotatably installed on a side wall of the clamp through the rotating shaft, the other end of the second connecting rod is connected with the inner cavity of the shell through the rotating shaft, worms are meshed and connected with the middle parts of the two groups of worm wheels, the two sides of the shell can be fixedly installed through the fixing seats, a workpiece needing to be clamped is placed on one side of an arc-shaped clamping seat, meanwhile, the rocker arms can be connected through an inserting seat, the rocker arms can synchronously drive the worms to rotate, the worm wheels are meshed and connected with the two sides of the worms, so that the worm wheels can synchronously drive the worm wheels to swing the first connecting rod when rotating, the other end of the first connecting rod is connected with a clamp through a rotating shaft, the side wall of the clamp is connected with a second connecting rod through a rotating shaft, the other end of the second connecting rod is connected with the inner wall of the shell through a rotating shaft, so that the clamp can deflect around one end of the second connecting rod under the pushing of the first connecting rod, the opening and closing movement of the clamp can be realized, the other end of the clamp is provided with two groups of jacks, the inner cavities of the jacks are movably inserted with telescopic rods, the other end of each telescopic rod is limited through a limiting seat, the other end of each telescopic rod rapidly clamps a workpiece through an arc-shaped clamping seat, and the worm wheel and the worm are mutually matched, so that the self-locking function is realized, the limiting work of the clamp can be automatically realized after clamping the workpiece, the clamping stability of the workpiece can be effectively improved, meanwhile, the structure is simple, the operation is convenient, the use is more convenient, and the arc-shaped clamping seats are supported through supporting springs, can play the effect of buffering when carrying out the centre gripping to the work piece, avoid the arc holder to press from both sides the work piece bad, security when promoting the use.

Preferably, the fixed welding of worm bottom has the bayonet socket, and the bayonet socket is located the casing lower surface, the activity of bayonet socket inner chamber is pegged graft and is had the rocking arm, can connect the rocking arm through the bayonet socket, can drive the worm through rotating the rocking arm.

Preferably, the jack has all been seted up on anchor clamps top surface, and the jack is provided with two sets ofly altogether, the jack inner chamber all is pegged graft and is had the telescopic link, and the jack can be fixed the telescopic link.

Preferably, the telescopic link one end all fixed welding have spacing seat, and spacing seat can play spacing effect to the telescopic link.

Preferably, the other end of the telescopic rod is fixedly provided with an arc-shaped clamping seat, and the arc-shaped clamping seat can clamp the workpiece.

Preferably, the telescopic rod surface all is equipped with supporting spring, supports arc-shaped clamping seat through supporting spring, can play the effect of buffering when carrying out the centre gripping to the work piece, avoids arc-shaped clamping seat to press from both sides the work piece bad, the security when promoting the use.

The utility model provides a clamping device is used in mechanical equipment processing possesses following beneficial effect:

(1) the utility model can synchronously drive the worm to rotate by rotating the rocker arm, the worm wheels are meshed and connected on both sides of the worm, so as to synchronously drive the worm wheels, the worm wheels drive the first connecting rod to swing when rotating, the other end of the first connecting rod is connected with the clamp through the rotating shaft, the side wall of the clamp is connected with the second connecting rod through the rotating shaft, the other end of the second connecting rod is connected with the inner wall of the shell through the rotating shaft, so that the clamp can deflect around one end of the second connecting rod under the push of the first connecting rod, the opening and closing motion of the clamp can be realized, the other end of the clamp is provided with the jack, the jacks are provided with two groups, the inner cavity of the jack is movably inserted with the telescopic rod, the other end of the telescopic rod is limited through the limiting seat, the other end of the telescopic rod rapidly clamps the workpiece, and the worm wheel and the worm are mutually matched, thereby having the self-locking function, thereby can realize the spacing work to anchor clamps automatically after carrying out the centre gripping to the work piece, can effectively promote the centre gripping stability to the work piece, simple structure simultaneously, convenient operation uses more convenient.

(2) The utility model discloses a supporting spring supports arc-shaped clamping seat, can play the effect of buffering when carrying out the centre gripping to the work piece, avoids arc-shaped clamping seat to press from both sides the work piece bad, security when promoting the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the clamp of the present invention;

fig. 4 is a schematic view of the worm gear structure of the present invention.

In the figure: 1. a housing; 101. a fixed seat; 2. a worm gear; 201. a first connecting rod; 202. a clamp; 203. a second connecting rod; 3. a worm; 301. a socket; 302. a rocker arm; 4. a jack; 401. a telescopic rod; 402. a limiting seat; 403. an arc-shaped clamping seat; 404. supporting the spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical scheme: a CNC multi-head fixture device comprises a shell 1 and a fixing seat 101, wherein the fixing seat 101 is fixedly welded at two ends of the shell 1, a worm wheel 2 is rotatably installed in an inner cavity of the shell 1, two groups of worm wheels 2 are arranged at the two ends of the shell, a first connecting rod 201 is fixedly welded at the top of the worm wheel 2, a fixture 202 is rotatably connected at the top of the first connecting rod 201 through a rotating shaft, a second connecting rod 203 is rotatably installed on the side wall of the fixture 202 through the rotating shaft, the other end of the second connecting rod 203 is connected with the inner cavity of the shell 1 through the rotating shaft, a worm 3 is meshed and connected at the middle part of the two groups of worm wheels 2, two sides of the shell 1 can be fixedly installed through the fixing seat 101, a workpiece needing to be clamped is placed at one side of an arc-shaped clamp holder 403, the rocker 302 can be connected through an inserting seat 301, the rocker 302 can synchronously drive the worm 3 to rotate through rotating the rocker 302, and two sides of the worm 3 are meshed and connected with the worm wheels 2, thereby realizing synchronous driving of the worm wheel 2, the worm wheel 2 drives the first connecting rod 201 to swing when rotating, the other end of the first connecting rod 201 is connected with the clamp 202 through a rotating shaft, the side wall of the clamp 202 is connected with the second connecting rod 203 through a rotating shaft, the other end of the second connecting rod 203 is connected with the inner wall of the shell 1 through a rotating shaft, so that the clamp 202 can deflect around one end of the second connecting rod 203 under the pushing of the first connecting rod 201, and can realize the opening and closing movement of the clamp 202, wherein, the other end of the clamp 202 is provided with two groups of jacks 4, the inner cavities of the jacks 4 are movably inserted with telescopic rods 401, the other end of the telescopic rods 401 carry out spacing through spacing seats 402, the other end of the telescopic rods 401 carry out rapid clamping on a workpiece through an arc-shaped clamping seat 403, and the worm wheel 2 and the worm 3 are mutually matched, thereby having a self-locking function, thereby automatically realizing the spacing work of the clamp 202 after clamping the workpiece, can effectively promote the centre gripping stability to the work piece, simple structure simultaneously, convenient operation uses more conveniently, and supports arc holder 403 through supporting spring 404, can play the effect of buffering when carrying out the centre gripping to the work piece, avoids arc holder 403 to press from both sides the work piece bad, promotes the security when using.

Plug socket 301 is fixedly welded at the bottom of worm 3, and plug socket 301 is located the lower surface of casing 1, the activity of plug socket 301 inner chamber is pegged graft and is had rocking arm 302, can connect rocking arm 302 through plug socket 301, can drive worm 3 through rotating rocking arm 302.

Jack 4 has all been seted up on anchor clamps 202 top surface, and jack 4 is provided with two sets ofly altogether, jack 4 inner chamber is all pegged graft and is had telescopic link 401, and jack 4 can be fixed telescopic link 401.

The telescopic link 401 one end all fixed welding have spacing seat 402, and spacing seat 402 can play spacing effect to telescopic link 401.

The other end of the telescopic rod 401 is fixedly provided with an arc-shaped clamping seat 403, and the arc-shaped clamping seat 403 can clamp a workpiece.

The telescopic link 401 surface all is equipped with supporting spring 404, supports arc holder 403 through supporting spring 404, can play the effect of buffering when carrying out the centre gripping to the work piece, avoids arc holder 403 to press from both sides the work piece bad, the security when promoting the use.

It should be noted that, in operation, two sides of a housing 1 can be fixed by a fixing seat 101, a workpiece to be clamped is placed on one side of an arc-shaped clamping seat 403, a rocker arm 302 can be connected by an inserting seat 301, the rocker arm 302 can synchronously drive a worm 3 to rotate by rotating the rocker arm 302, two sides of the worm 3 are engaged with worm gears 2, so as to synchronously drive the worm gears 2, the worm gears 2 drive a first connecting rod 201 to swing when rotating, the other end of the first connecting rod 201 is connected with a clamp 202 by a rotating shaft, the side wall of the clamp 202 is connected with a second connecting rod 203 by the rotating shaft, the other end of the second connecting rod 203 is connected with the inner wall of the housing 1 by the rotating shaft, so that the clamp 202 can deflect around one end of the second connecting rod 203 under the pushing of the first connecting rod 201, the opening and closing movement of the clamp 202 can be realized, wherein the other end of the clamp 202 is provided with a jack 4, jack 4 all is provided with two sets ofly, jack 4 inner chamber is all movable to be pegged graft there is telescopic link 401, the telescopic link 401 other end carries on spacingly through spacing seat 402, the telescopic link 401 other end carries out quick centre gripping to the work piece through arc holder 403, and worm wheel 2 and worm 3 mutually support, self-locking function has, thereby can realize the spacing work to anchor clamps 202 automatically after carrying out the centre gripping to the work piece, can effectively promote the clamping stability to the work piece, while simple structure, high durability and convenient operation, it is more convenient to use, and support arc holder 403 through supporting spring 404, can be when carrying out the centre gripping to the work piece, play the effect of buffering, avoid arc holder 403 to press from both sides the work piece bad, promote the security during use.

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 CNC bull anchor clamps device, includes casing (1) and fixing base (101), the equal fixed welding in casing (1) both ends has fixing base (101), its characterized in that: casing (1) inner chamber rotates and installs worm wheel (2), and worm wheel (2) are provided with two sets ofly altogether, the equal fixed welding in worm wheel (2) top has connecting rod (201) No. one, connecting rod (201) top all rotates through the pivot and is connected with anchor clamps (202), anchor clamps (202) lateral wall rotates through the pivot and installs connecting rod (203) No. two, connecting rod (203) the other end all links to each other through pivot and casing (1) inner chamber, and is two sets of worm wheel (2) middle part meshing is connected with worm (3).

2. The CNC multi-head fixture device according to claim 1, wherein: plug socket (301) is fixedly welded at the bottom of the worm (3), the plug socket (301) is located on the lower surface of the shell (1), and a rocker arm (302) is movably inserted into the inner cavity of the plug socket (301).

3. The CNC multi-head fixture device according to claim 1, wherein: jack (4) have all been seted up on anchor clamps (202) top surface, and jack (4) are provided with two sets ofly altogether, jack (4) inner chamber is all pegged graft and is had telescopic link (401).

4. The CNC multi-head fixture device according to the claim 3, characterized in that: and one end of the telescopic rod (401) is fixedly welded with a limiting seat (402).

5. The CNC multi-head fixture device according to claim 4, wherein: the other end of the telescopic rod (401) is fixedly provided with an arc-shaped clamping seat (403).

6. The CNC multi-head fixture device according to claim 5, wherein: the surface of the telescopic rod (401) is sleeved with a supporting spring (404).