CN215965753U

CN215965753U - Centering clamping device for coupler machining

Info

Publication number: CN215965753U
Application number: CN202121728165.2U
Authority: CN
Inventors: 肖萍英; 周志文
Original assignee: Jiangyin Yiying Machinery Manufacturing Co ltd
Current assignee: Jiangyin Yiying Machinery Manufacturing Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-08
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a centering and clamping device for processing a coupler, which relates to the field of coupler processing equipment and comprises an installation base, a steering positioning mechanism and a centering and clamping mechanism; the steering positioning mechanism comprises two conveying guide rails, a conveying sliding block, a steering mounting plate, a rotary outer gear rotating disc, a steering fluted disc, a steering motor and a conveying cylinder which are arranged in parallel; the centering clamping mechanism comprises a centering mounting frame, a centering clamping cylinder, a centering toothed bar, two fixed clamping jaws, a clamping rotating shaft, two clamping gears and two sliding clamping jaws. The clamping device drives the two sliding clamping jaws to clamp the workpiece through the meshing action of the centering rack rod, the clamping gear and the sliding rack, so that the centering and clamping effects of the workpiece can be effectively guaranteed; the rotating support of the steering fluted discs on the two sides of the rotating disc of the external rotating gear can ensure the stable reliability of the rotating disc of the external rotating gear and the centering and clamping mechanism on the rotating disc in the steering process, and is convenient for the stable processing of the surface of a workpiece.

Description

Centering clamping device for coupler machining

Technical Field

The utility model relates to the field of shaft coupling processing equipment, in particular to a centering clamping device for shaft coupling processing.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.

The shaft coupling is an important part for connecting a moving shaft, so the accuracy of the shaft coupling is an important index, a screw hole is drilled at a position which is deviated from the axis outside a body in the common processing of the shaft coupling, and the shaft coupling is fixed with the moving shaft through a base meter screw when in use. Because the shaft coupling is cylindric mostly, if do not fix it in the course of working that punches then can cause the shaft coupling atress uneven and take place the rotational movement to lead to punching the off tracking, or the straightness that hangs down that punches causes fixed effect and the result of use in influence later stage inadequately. Therefore, the centering effect on the center position thereof during the machining process is highly required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centering and clamping device for processing a coupler, and solves the problem that the existing clamp for processing the coupler is poor in centering effect.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a centering and clamping device for machining a coupler comprises an installation base, a steering positioning mechanism arranged on the installation base and a centering and clamping mechanism arranged on the steering positioning mechanism;

the steering positioning mechanism comprises two conveying guide rails which are arranged on an installation base in parallel, conveying sliding blocks which are slidably arranged on the conveying guide rails, a steering installation plate which is fixedly arranged on the conveying sliding blocks, a rotary outer gear rotating disk which is arranged on the steering installation plate, steering gear disks which are meshed with the rotary outer gear rotating disk and are arranged on two sides of the rotary outer gear rotating disk, a steering motor which is connected with one of the steering gear disks, and a conveying cylinder which is arranged in parallel with the conveying guide rails, wherein the power output end of the conveying cylinder is connected with the steering installation plate, and the centering clamping mechanism is fixedly arranged on the rotary outer gear rotating disk;

centering clamping mechanism erects including centering mounting bracket, level centering clamping cylinder on the centering mounting bracket, install through centering installation piece centering clamping cylinder power take off end's centering rack bar, two fixed clamping jaws of fixed mounting above the centering mounting bracket, rotationally transversely erect the clamping pivot on the centering mounting bracket, fixed suit are in two epaxial clamping gears of clamping and two slip clamping jaws of slidable mounting on the centering mounting bracket, the clamping gear meshes with the centering rack bar mutually, the slip clamping jaw sets up every with fixed clamping jaw relatively slip clamping jaw bottom is equipped with the slip rack, the slip rack meshes with the clamping gear mutually.

Preferably, the conveying cylinders are arranged at the bottom of the mounting base in parallel, conveying guide grooves parallel to the conveying guide rails are formed in the positions, located between the two conveying guide rails, of the mounting base, the power output ends of the conveying cylinders are connected with the steering mounting plate through conveying connecting blocks, and the conveying connecting blocks penetrate through the conveying guide grooves.

Preferably, the end part of the centering rack rod penetrates through the centering mounting frame in a sliding mode.

Preferably, the inner walls of the sliding clamping jaw and the fixed clamping jaw are provided with anti-skid pads.

Preferably, two chutes are formed in the centering mounting frame, each chute is provided with a limiting groove in two inner side walls, and protruding strips capable of being inserted into the limiting grooves are arranged on two sides of the bottom of the sliding clamping jaw.

By adopting the technical scheme, the two sliding clamping jaws are driven to clamp the workpiece through the meshing action of the centering rack rod, the clamping gear and the sliding rack, so that the centering and clamping effects of the workpiece can be effectively guaranteed; the two ends of the workpiece are synchronously clamped by the two pairs of fixed clamping jaws and the sliding clamping jaws, so that the stability of the workpiece in the machining process can be ensured, the conditions of deviation and the like caused by the fact that a large punching force is received in the machining process are prevented, and the reliability in the machining process is ensured; the rotating support of the steering fluted discs on the two sides of the rotating disc of the external rotating gear can ensure the stable reliability of the rotating disc of the external rotating gear and the centering and clamping mechanism on the rotating disc in the steering process, and is convenient for the stable processing of the surface of a workpiece.

Drawings

FIG. 1 is a schematic view of the structure in one aspect of the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure in another aspect of the present invention;

FIG. 4 is a schematic structural view in a third aspect of the present invention;

FIG. 5 is a schematic view of the inner part of the centering fixture of the present invention in one direction;

fig. 6 is a structural schematic diagram of the other direction of the interior of the centering fixture of the utility model.

In the figure, 1-mounting base, 2-workpiece, 3-conveying guide rail, 4-conveying slide block, 5-steering mounting plate, 6-rotating external gear rotating disc, 7-steering gear disc, 8-steering motor, 9-conveying cylinder, 10-conveying guide groove, 11-conveying connecting block, 12-inverted U-shaped mounting block, 13-centering mounting frame, 14-centering clamping cylinder, 15-centering mounting block, 16-centering toothed bar, 17-fixing clamping jaw, 18-clamping rotating shaft, 19-clamping gear, 20-sliding clamping jaw, 21-sliding rack, 22-anti-skid pad and 23-sliding groove.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 3 and 4, a centering and clamping device for machining a coupler comprises an installation base 1, a steering positioning mechanism installed on the installation base 1 and a centering and clamping mechanism installed on the steering positioning mechanism, so that after a cylindrical workpiece 2 to be machined is clamped by the centering and clamping mechanism, the positioning and steering of the steering positioning mechanism can drive the centering and clamping mechanism to punch holes on different positions on the surface of the workpiece 2 conveniently;

as shown in fig. 1, 3 and 4, the steering positioning mechanism comprises two conveying rails 3 mounted on the mounting base 1 in parallel, a conveying slider 4 slidably mounted on each conveying rail 3, a steering mounting plate 5 fixedly mounted on the conveying slider 4, a rotary external gear rotating disk 6 mounted on the steering mounting plate 5, a steering toothed disk 7 engaged with the rotary external gear rotating disk 6 and mounted on two sides of the rotary external gear rotating disk 6, a steering motor 8 connected with one steering toothed disk 7, and a conveying cylinder 9 arranged in parallel with the conveying rails 3, during actual use, two conveying sliders 4 are mounted on each conveying rail 3, and two conveying sliders 4 are respectively and fixedly mounted on two sides of the bottom of the steering mounting plate 5, so as to provide uniform and stable supporting force for the steering mounting plate 5, and the power output end of the conveying cylinder 9 is connected with the steering mounting plate 5, the centering clamping mechanism is fixedly arranged on the rotary outer gear rotating disk 6, so that the steering mounting plate 5 and the centering clamping mechanism arranged on the steering mounting plate can be driven by the conveying cylinder 9 to move back and forth along the conveying guide rail 3;

as shown in fig. 1-6, the centering clamping mechanism includes a centering mounting frame 13, a centering clamping cylinder 14 horizontally erected on the centering mounting frame 13, a centering rack bar 16 installed at a power output end of the centering clamping cylinder 14 through a centering mounting block 15, two fixed clamping jaws 17 fixedly installed above the centering mounting frame 13, a clamping rotating shaft 18 rotatably and transversely erected on the centering mounting frame 13, two clamping gears 19 fixedly installed on the clamping rotating shaft 18, and two sliding clamping jaws 20 slidably installed on the centering mounting frame 13, in an actual use process, the clamping rotating shaft 18 can be rotatably erected on the centering mounting frame 13 through rotating bearings at two ends, the clamping gears 19 are engaged with the centering rack bar 16, the sliding clamping jaws 20 are arranged opposite to the fixed clamping jaws 17, so that an effective clamping effect can be achieved when the sliding clamping jaws 20 move to the fixed clamping jaws 17, the bottom of each sliding clamping jaw 20 is provided with a sliding rack 21, the sliding racks 21 are meshed with the clamping gear 19, and the clamping gear 19 drives the sliding clamping jaws 20 to move back and forth through the sliding racks 21 in the process that the centering rack 16 drives the clamping gear 19 to rotate, so that the sliding clamping jaws 20 and the fixed clamping jaws 17 are clamped or opened relatively.

When the clamping device is used, a cylindrical workpiece 2 to be processed is placed between the fixed clamping jaw 17 and the sliding clamping jaw 20, the centering toothed bar 16 is driven to slide under the driving of the stretching out of the centering clamping cylinder 14, so that the clamping gear 19 is driven to rotate, the sliding rack 21 and the sliding clamping jaw 20 are further driven to move towards the opposite direction of the centering toothed bar 16, namely the sliding clamping jaw 20 is driven to clamp towards the direction of the fixed clamping jaw 17, and the workpiece 2 is clamped, and the fixed clamping jaw 17 and the sliding clamping jaw 20 are respectively provided with two pairs, so that two ends of the workpiece 2 can be simultaneously clamped conveniently, the clamping effect on the workpiece 2 is ensured, and subsequent operations such as stable punching are facilitated; after the centering clamping mechanism finishes clamping the workpiece 2, the centering clamping mechanism and the workpiece 2 clamped on the centering clamping mechanism are conveyed between two steering fluted discs 7 under the driving of a conveying cylinder 9, the stability and the reliability of the fixed direction of a rotary outer gear rotating disc 6 are ensured under the limiting action of the steering fluted discs 7 on two sides, the rotary outer gear rotating disc 6 and the centering clamping mechanism on the rotary outer gear rotating disc are driven to steer under the driving of a steering motor 8, the processing of the surface of the clamped workpiece 2 in different directions is facilitated, and the stability and the reliability of the direction of the rotary outer gear rotating disc 6 in the steering process can be effectively ensured through the rotation limiting action of the other steering fluted disc 7.

The utility model drives the two sliding clamping jaws 20 to clamp the workpiece 2 through the meshing action of the centering rack bar 16, the clamping gear 19 and the sliding rack 21, and can effectively ensure the centering clamping effect of the workpiece 2; the two ends of the workpiece 2 are synchronously clamped by the two pairs of fixed clamping jaws 17 and the sliding clamping jaws 20, so that the stability of the workpiece 2 in the machining process can be ensured, the conditions of deviation and the like caused by the fact that a large punching force is received in the machining process are prevented, and the reliability in the machining process is ensured; through the rotating support of the steering fluted disc 7 on the two sides of the rotating outer gear rotating disc 6, the rotating outer gear rotating disc 6 and the centering clamping mechanism on the rotating outer gear rotating disc can be ensured to be stable and reliable in the steering process, and the surface of the workpiece 2 can be stably machined conveniently.

In order to ensure the simplification of the whole structure of the centering clamping mechanism and provide effective conveying force for the rotary outer gear rotating disk 6 and the centering clamping mechanism, two conveying cylinders 9 are arranged at the bottom of the mounting base 1 in parallel respectively, a conveying guide groove 10 parallel to the conveying guide rails 3 is formed in the position, located between the two conveying guide rails 3, on the mounting base 1, the power output end of each conveying cylinder 9 is connected with the steering mounting plate 5 through a conveying connecting block 11, and the conveying connecting block 11 penetrates through the conveying guide groove 10, so that stable conveying force can be provided for the steering mounting plate 5 through the conveying cylinders 9 at the bottom of the mounting base 1, the integral cleanliness of a workbench on the surface of the mounting base 1 can be ensured, and the stable work of the centering clamping mechanism is facilitated.

In order to ensure the equal height of the steering fluted disc 7 and the rotation outer gear rotating disc 6 and ensure the rotating reliability of the rotation outer gear rotating disc 6 and the stability of the rotation support of the rotation outer gear rotating disc 6, the two steering fluted discs 7 are horizontally arranged at two sides of the rotation outer gear rotating disc 6 through the inverted U-shaped mounting blocks 12, in the actual use process, in order to ensure the stability of the horizontal steering of the steering fluted discs 7, the two steering fluted discs 7 can be rotatably arranged on the inverted U-shaped mounting blocks 12 through rotating bearings, one of the steering fluted discs 7 is driven by the steering motor 8 to drive the rotation outer gear rotating disc 6 to rotate through the meshing action with the rotation outer gear rotating disc 6, the other steering fluted disc 7 can play an effective rotation support, and the stability of the direction of the rotation outer gear rotating disc 6 in the rotating process is ensured.

In order to ensure that the centering clamping cylinder 14 drives the centering rack bar 16 to move back and forth in a telescopic manner, the end part of the centering rack bar 16 is slidably arranged on the centering mounting frame 13 in a penetrating manner, so that the end part of the centering rack bar 16 can be stably slidably supported in the process of horizontal movement of the centering rack bar 16, and the stability of the centering rack bar 16 in the horizontal direction in the moving process is ensured.

In order to ensure the stability of the clamping of the sliding clamping jaw 20 and the fixed clamping jaw 17 on the workpiece 2 and not leave clamping damage on the surface of the workpiece 2, anti-slip pads 22 made of rubber and the like are arranged on the inner walls of the sliding clamping jaw 20 and the fixed clamping jaw 17.

In order to guarantee the reliability of sliding installation of the sliding clamping jaw 20 on the centering mounting frame 13, two sliding grooves 23 are formed in the centering mounting frame 13, two inner side walls of each sliding groove 23 are provided with limiting grooves, two sides of the bottom of the sliding clamping jaw 20 are provided with protruding strips capable of being inserted into the limiting grooves, so that the smooth reliability of sliding of the sliding clamping jaw 20 in the sliding grooves 23 can be guaranteed, and the sliding clamping jaw 20 can be conveniently moved back and forth.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a coupler processing centering clamping device which characterized in that: the device comprises a mounting base (1), a steering positioning mechanism mounted on the mounting base (1) and a centering clamping mechanism mounted on the steering positioning mechanism;

the steering positioning mechanism comprises two conveying guide rails (3) which are arranged on an installation base (1) in parallel, a sliding block (4) which is arranged on each conveying guide rail (3), a steering installation plate (5) which is fixedly arranged on the conveying guide rails (4), a rotary external gear rotating disc (6) which is arranged on the steering installation plate (5), a steering fluted disc (7) which is meshed with the rotary external gear rotating disc (6) and is arranged on two sides of the rotary external gear rotating disc (6), a steering motor (8) which is connected with one of the steering fluted discs (7) and a conveying cylinder (9) which is arranged in parallel with the conveying guide rails (3), the power output end of the conveying cylinder (9) is connected with the steering mounting plate (5), and the centering clamping mechanism is fixedly mounted on the rotary outer gear rotating disk (6);

the centering clamping mechanism comprises a centering mounting rack (13), a centering clamping cylinder (14) horizontally erected on the centering mounting rack (13), a centering rack bar (16) installed at the power output end of the centering clamping cylinder (14) through a centering mounting block (15), two fixed clamping jaws (17) fixedly installed above the centering mounting rack (13), a clamping rotating shaft (18) rotatably and transversely erected on the centering mounting rack (13), two clamping gears (19) fixedly sleeved on the clamping rotating shaft (18) and two sliding clamping jaws (20) slidably installed on the centering mounting rack (13), clamping gear (19) and centering ratch (16) mesh mutually, slip clamping jaw (20) and fixed clamping jaw (17) set up relatively, every slip clamping jaw (20) bottom is equipped with slip rack (21), slip rack (21) mesh mutually with clamping gear (19).

2. The coupler machining centering clamping device according to claim 1, characterized in that: the conveying device is characterized in that the number of the conveying cylinders (9) is two, the conveying cylinders are respectively and parallelly mounted at the bottom of the mounting base (1), the position between the two conveying guide rails (3) on the mounting base (1) is provided with a conveying guide groove (10) parallel to the conveying guide rails (3), the power output end of the conveying cylinder (9) is connected with the steering mounting plate (5) through a conveying connecting block (11), and the conveying connecting block (11) penetrates through the conveying guide groove (10).

3. The coupler machining centering clamping device according to claim 1, characterized in that: the end part of the centering rack rod (16) penetrates through the centering mounting rack (13) in a sliding mode.

4. The coupler machining centering clamping device according to claim 1, characterized in that: and anti-skid pads (22) are arranged on the inner walls of the sliding clamping jaw (20) and the fixed clamping jaw (17).

5. The coupler machining centering clamping device according to claim 1, characterized in that: two sliding grooves (23) are formed in the centering mounting frame (13), each sliding groove (23) is provided with a limiting groove in two inner side walls, and protruding strips capable of being inserted into the limiting grooves are arranged on two sides of the bottom of the sliding clamping jaw (20).