CN215696792U

CN215696792U - Cross wedge rolling stock stop

Info

Publication number: CN215696792U
Application number: CN202121829547.4U
Authority: CN
Inventors: 代子祥; 胡成革; 丁继承
Original assignee: Zhongxiang Jinxiang Automobile Semiaxis Co ltd
Current assignee: Zhongxiang Jinxiang Automobile Semiaxis Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-01
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a cross wedge rolling stock stop, which comprises a base, wherein two fixed plates are fixedly connected to the upper side of the base, a supporting plate is fixedly connected to the side wall of one of the fixed plates, a motor is fixedly connected to the upper side of the supporting plate, two rotating shafts are rotatably connected to the side wall of one of the fixed plates, the two rotating shafts penetrate through the side wall of the fixed plate, an output shaft of the motor is fixedly connected to one end of one of the rotating shafts, one end of each rotating shaft is fixedly connected with a roller, and a movable groove is formed in the side wall of each fixed plate. According to the utility model, the workpiece drives the clamping frame to slide towards the rollers, the clamping frame drives the fixed rod to slide in the inner side wall of the movable block, but the first telescopic spring and the fixing mechanism are arranged, so that the workpiece is always fixed between the two rollers, deformation and play between the rollers are avoided, and the product quality is improved.

Description

Cross wedge rolling stock stop

Technical Field

The utility model relates to the technical field of cross wedge rolling mills, in particular to a cross wedge rolling stock stop.

Background

The cross wedge rolling is two rollers with wedge-shaped dies, the rollers rotate in the same direction to drive a round blank to rotate, the blank is rolled into step shafts in various shapes under the action of the wedge-shaped dies, the deformation of the cross wedge rolling is mainly radial compression and axial extension, the cross wedge rolling has the advantages of high production efficiency, high material utilization rate, good product quality and the like, but the cross wedge rolling has poor universality, only shaft parts with round sections can be produced, and special equipment and dies are needed.

However, in the prior art, the gap between the striker plates is fixed, when the workpiece is machined by cross wedge rolling, the length of the workpiece may be reduced when the workpiece is extruded by the upper and lower rollers, and at this time, the striker plates cannot clamp the workpiece, so that the workpiece moves between the rollers or directly deforms, and the quality of the product is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cross wedge rolling stock stop mechanism to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a wedge cross rolling stock stop, includes the base, two fixed plates of upside fixedly connected with of base, one of them fixedly connected with backup pad on the lateral wall of fixed plate, the upside fixedly connected with motor of backup pad, one of them rotate on the lateral wall of fixed plate and be connected with two pivots, two the pivot all runs through the lateral wall of fixed plate, the output shaft fixed connection of motor is in the one end of one of them pivot, every the one end fixedly connected with roll of pivot, every movable groove has been seted up on the lateral wall of fixed plate, every the inner wall in movable groove is equipped with moving mechanism.

As a further improvement scheme of the technical scheme: every moving mechanism includes the gag lever post, every gag lever post fixed connection has the movable block, every on the lateral wall of every gag lever post sliding connection has between the inner wall of activity groove fixedly connected with reset spring, every between the inside wall of movable block and activity groove reset spring cup joints on the lateral wall of gag lever post, every be equipped with telescopic machanism on the lateral wall of movable block.

As a further improvement scheme of the technical scheme: every telescopic machanism includes the dead lever, and every dead lever sliding connection is on the inside wall of movable block, every the dead lever runs through the movable block, every the one end fixedly connected with centre gripping frame of dead lever, every the first expanding spring of fixedly connected with between movable block and the centre gripping frame, every first expanding spring cup joints on the lateral wall of dead lever, every the inner wall of centre gripping frame is equipped with fixed establishment.

As a further improvement scheme of the technical scheme: every fixed establishment includes the head rod, every head rod fixed connection is on the bottom wall of centre gripping frame, every the last lateral wall sliding connection of centre gripping frame has the second connecting rod, every the second connecting rod runs through the last lateral wall and the fixedly connected with pulling block of centre gripping frame, every second connecting rod and every the equal fixedly connected with grip block of one end that the head rod is relative, every two the grip block is the symmetry setting, every the second expanding spring has been cup jointed on the lateral wall of second connecting rod.

As a further improvement scheme of the technical scheme: each clamping block is fixedly connected with a wear-resistant layer on one side, each clamping block and the wear-resistant layer are semicircular in shape, each clamping block is matched with the wear-resistant layer in shape, and each wear-resistant layer is made of rubber.

As a further improvement scheme of the technical scheme: every one side fixedly connected with inoxidizing coating, every the shape of inoxidizing coating is semi-circular, every the shape and the wearing layer phase-match of inoxidizing coating, every the material of inoxidizing coating is asbestos resistant material.

As a further improvement scheme of the technical scheme: each rotating groove is formed in one end of each rotating shaft, and a belt is connected between the two rotating grooves in a transmission mode.

As a further improvement scheme of the technical scheme: the two fixing rods and the two rollers are positioned on the same vertical horizontal plane.

Compared with the prior art, the utility model has the beneficial effects that:

after a workpiece is placed between the clamping frames, two side walls of the workpiece can abut against the inner side walls of the clamping frames, the clamping frames can be extruded towards two sides, the clamping frames are stressed to drive the fixed rod to slide on the inner side walls of the movable blocks and extrude the first expansion spring, the clamping frames are reversely extruded under the action of the first expansion spring, the workpiece is stressed and extruded by the clamping frames, the workpiece to be processed is firmly fixed between the clamping frames, meanwhile, under the action of the first expansion spring, the middle position of the workpiece is always positioned between the two rollers, the workpiece is ensured not to be dislocated during processing, the condition that one side is long and the other side is short is caused, the limitation on the length of the workpiece is reduced, the application range is expanded, the diameter of the device can be changed during the processing of the workpiece, after the diameter of the workpiece is shortened, the workpiece can drive the clamping frames to slide between the rollers, and the clamping frames drive the fixed rod to slide in the inner side walls of the movable blocks, but the arrangement of the first expansion spring and the fixing mechanism ensures that the workpiece is always fixed between the two rollers, deformation cannot occur, the workpiece cannot move between the rollers, and the quality of the product is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic perspective view of a cross wedge rolling stock stop according to the present invention;

fig. 2 is a schematic front structural view of a cross wedge rolling stock stop provided by the utility model;

fig. 3 is a schematic side structure view of a cross wedge rolling stock stop according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

fig. 5 is a schematic side structure view of a clamping block in a cross wedge rolling stock stop provided by the utility model;

fig. 6 is a schematic top view of a cross wedge rolling stock stop according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a fixing plate; 3. a support plate; 4. a motor; 5. a rotating shaft; 6. rolling; 7. a rotating groove; 8. a belt; 9. a movable groove; 10. a limiting rod; 11. a movable block; 12. a return spring; 13. fixing the rod; 14. a clamping frame; 15. a first extension spring; 16. a first connecting rod; 17. a second connecting rod; 18. pulling the block; 19. a second extension spring; 20. a clamping block; 21. a wear layer; 22. and (4) a protective layer.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a cross wedge rolling stock stop includes a base 1, two fixing plates 2 are fixedly connected to an upper side of the base 1, a supporting plate 3 is fixedly connected to a side wall of one of the fixing plates 2, a motor 4 is fixedly connected to an upper side of the supporting plate 3, two rotating shafts 5 are rotatably connected to a side wall of one of the fixing plates 2, the two rotating shafts 5 both penetrate through the side wall of the fixing plate 2, an output shaft of the motor 4 is fixedly connected to one end of one of the rotating shafts 5, one end of each rotating shaft 5 is fixedly connected to a roller 6, a movable groove 9 is formed in the side wall of each fixing plate 2, and a moving mechanism is disposed on an inner wall of each movable groove 9.

Referring to fig. 1, 2 and 3, each moving mechanism includes a limiting rod 10, each limiting rod 10 is fixedly connected between the inner walls of the movable grooves 9, the outer side wall of each limiting rod 10 is slidably connected with a movable block 11, a return spring 12 is fixedly connected between each movable block 11 and the inner side wall of the movable groove 9, each return spring 12 is sleeved on the outer side wall of the limiting rod 10, a telescopic mechanism is arranged on the side wall of each movable block 11, when a workpiece needs to be placed, a fixed rod 13 is pushed, the fixed rod 13 pushes the movable block 11 to slide on the limiting rod 10 under stress and extrudes the return spring 12, the workpiece is clamped between the clamping frames 14 after the clamping frames 14 are driven by the fixed rod 13 to leave between the two rollers 6, after clamping, the fixed rod 13 is not pushed, the return spring 12 is not extruded under stress, under the natural acting force of the return spring 12, the return spring 12 pushes the movable block 11 to slide towards the rollers 6, the movable block 11 slides to push the fixed rod 13 to slide, the fixed rod 13 slides to drive the clamping frame 14 to return to a position between the two rollers 6, workpieces are processed, manual calibration is not needed after the workpieces are fixed, the workpieces are always kept between the two rollers 6 in a natural state of the reset spring 12, calibration time is shortened, and production efficiency is improved.

Referring to fig. 2 and 6, each telescopic mechanism includes a fixed rod 13, each fixed rod 13 is slidably connected to the inner side wall of the movable block 11, each fixed rod 13 penetrates through the movable block 11, one end of each fixed rod 13 is fixedly connected with a clamping frame 14, a first telescopic spring 15 is fixedly connected between each movable block 11 and the clamping frame 14, each first telescopic spring 15 is sleeved on the outer side wall of the fixed rod 13, the inner wall of each clamping frame 14 is provided with a fixing mechanism, after a workpiece is placed between the clamping frames 14, the two side walls of the workpiece will abut against the inner side wall of the clamping frame 14, and simultaneously the clamping frame 14 will be squeezed towards two sides, the clamping frame 14 is forced to drive the fixed rod 13 to slide on the inner side wall of the movable block 11 and squeeze the first telescopic spring 15, the clamping frame 14 is reversely squeezed under the action force of the first telescopic spring 15, the clamping frame 14 is forced to squeeze the workpiece, and the workpiece to be processed is firmly fixed between the clamping frames 14, meanwhile, under the action force of the first telescopic spring 15, the middle position of the workpiece is always located between the two rollers 6, the workpiece is ensured not to be misplaced during machining, the situation that one side is long and the other side is short is caused, the limitation on the length of the workpiece is reduced, the application range is enlarged, the diameter of the workpiece is possibly changed during machining, after the diameter of the workpiece is shortened, the workpiece can drive the clamping frame 14 to slide between the rollers 6, the clamping frame 14 drives the fixing rod 13 to slide in the inner side wall of the movable block 11, however, the arrangement of the first telescopic spring 15 and the fixing mechanism enables the workpiece to be fixed between the two rollers 6, and deformation cannot occur.

Referring to fig. 2 and 4, each fixing mechanism includes a first connecting rod 16, each first connecting rod 16 is fixedly connected to a bottom side wall of the clamping frame 14, an upper side wall of each clamping frame 14 is slidably connected with a second connecting rod 17, each second connecting rod 17 penetrates through the upper side wall of the clamping frame 14 and is fixedly connected with a pulling block 18, one end of each second connecting rod 17 opposite to each first connecting rod 16 is fixedly connected with clamping blocks 20, each two clamping blocks 20 are symmetrically arranged, a second extension spring 19 is sleeved on an outer side wall of each second connecting rod 17, the pulling block 18 is pulled, the pulling block 18 slides upwards, the pulling block 18 slides to drive the second connecting rods 17 to slide upwards, the second connecting rods 17 slide upwards to drive the clamping blocks 20 to slide upwards and press the second extension springs 19, a heated workpiece is placed between the two clamping blocks 20 without pulling the pulling block 18, the second telescopic spring 19 is not extruded any more, under the acting force of the second telescopic spring 19, the second telescopic spring 19 pushes the clamping blocks 20 to slide downwards, the clamping blocks 20 slide downwards to drive the second connecting rod 17 to slide downwards, a workpiece is clamped between the two clamping blocks 20, after the workpiece is fixed, the motor 4 is opened to start machining, after the machining is finished, the fixing rod 13 is pushed to take the workpiece away from the space between the two rollers 6, the pulling block 18 is pulled again, the pulling block 18 slides to drive the second connecting rod 17 to slide upwards, the second connecting rod 17 slides upwards to drive the clamping blocks 20 to slide upwards and extrude the second telescopic spring 19, the workpiece between the clamping blocks 20 is taken out, after the workpiece is taken out, the pulling block 18 is not pulled any more, the second telescopic spring 19 is not extruded any more, under the acting force of the second telescopic spring 19, the clamping blocks 20 slide downwards to drive the second connecting rod 17 to slide downwards, the problem that the diameter of the workpiece is reduced in the machining process to cause the workpiece to be incapable of being fixed is solved, so that the workpiece moves between the two rollers 6 to cause machining failure.

Referring to fig. 5, one side of each clamping block 20 is fixedly connected with a wear layer 21, each clamping block 20 and each wear layer 21 are semicircular in shape, the shapes of each clamping block 20 and each wear layer 21 are matched, each wear layer 21 is made of rubber, most of workpieces are cylindrical, the workpieces are more attached and compact when being fixed due to the semicircular shape, the firmness when being fixed is enhanced, the rubber is more wear-resistant, and the loss caused by rotation of the workpieces during processing is reduced.

Referring to fig. 5, one side of each wear-resistant layer 21 is fixedly connected with a protection layer 22, each protection layer 22 is semicircular, the shape of each protection layer 22 is matched with that of the wear-resistant layer 21, each protection layer 22 is made of asbestos-resistant materials, the asbestos-resistant materials are resistant to high temperature, a workpiece is heated at high temperature and then taken out for processing, when the workpiece is clamped, the high temperature on the workpiece may cause loss of parts on the device, so that the part needs to be protected, and the part is prevented from being damaged due to high temperature, and the semicircular arrangement enables the materials to be more attached to the workpiece.

Referring to fig. 2, a rotating groove 7 is formed at one end of each rotating shaft 5, a belt 8 is connected between the two rotating grooves 7 in a transmission manner, a motor 4 is started, the motor 4 rotates to drive one of the rotating shafts 5 to rotate, the rotating shaft 5 rotates to drive the rotating groove 7 to rotate, the rotating groove 7 rotates to drive the belt 8 to rotate, the belt 8 rotates to drive the other rotating shaft 5 to rotate, the rotating shaft 5 rotates to drive the rollers 6 to rotate, the rollers 6 rotate to process a workpiece between the two rollers 6, the two rollers 6 are driven to rotate by one power source, energy is saved, the utilization rate of resources is improved, and the rotating grooves 7 are formed in the rotating shafts 5, so that the belt 8 cannot fall off due to rapid operation when the two rotating shafts 5 are driven to rotate, the device stops working, and the working efficiency is reduced.

Referring to fig. 2, the two fixing rods 13 and the two rollers 6 are located at the same vertical horizontal plane, and the workpiece is held between the two rollers 6 in a natural state of the return spring 12, and can be automatically restored to the central position without calibration after the machined workpiece is replaced, thereby reducing the time required for calibration.

The working principle of the utility model is as follows:

when a workpiece is placed, the fixed rod 13 is pushed, the fixed rod 13 is stressed to push the movable block 11 to slide on the limiting rod 10 and extrude the return spring 12, after the fixed rod 13 drives the clamping frame 14 to leave between the two rollers 6, the pulling block 18 is pulled, the pulling block 18 slides upwards, the pulling block 18 slides to drive the second connecting rod 17 to slide upwards, the second connecting rod 17 slides upwards to drive the clamping block 20 to slide upwards and extrude the second telescopic spring 19, the heated workpiece is placed between the two clamping blocks 20, the pulling block 18 is not pulled, the second telescopic spring 19 is not extruded any more, under the action force of the second telescopic spring 19, the second telescopic spring 19 pushes the clamping block 20 to slide downwards, the clamping block 20 slides downwards to drive the second connecting rod 17 to slide downwards, the workpiece is clamped between the two clamping blocks 20, after the workpiece is placed between the clamping frames 14, two side walls of the workpiece can abut against the inner side wall of the clamping frame 14, meanwhile, the two sides of the clamping frame 14 are extruded, the clamping frame 14 is stressed to drive the fixed rod 13 to slide on the inner side wall of the movable block 11 and extrude the first telescopic spring 15, the clamping frame 14 is reversely extruded under the action force of the first telescopic spring 15, the clamping frame 14 is stressed to extrude a workpiece, and the workpiece to be processed is firmly fixed between the clamping frames 14;

clamping a workpiece between clamping frames 14, after clamping is finished, pushing a fixed rod 13, pushing a reset spring 12, under the natural acting force of the reset spring 12, pushing a movable block 11 to slide towards a roller 6, pushing the fixed rod 13 to slide by the movable block 11, driving the clamping frame 14 to return to a position between two rollers 6 by the fixed rod 13, starting a motor 4, driving one rotating shaft 5 to rotate by the motor 4, driving a rotating groove 7 to rotate by the rotating shaft 5, driving a belt 8 to rotate by the rotating groove 7, driving the other rotating shaft 5 to rotate by the belt 8, driving the roller 6 to rotate by the rotating shaft 5, and processing the workpiece between the two rollers 6 by the rotating roller 6;

after the workpiece is machined, the fixed rod 13 is pushed again, the fixed rod 13 is stressed to push the movable block 11 to slide on the limiting rod 10 and extrude the return spring 12, after the clamping frame 14 leaves between the two rollers 6, the pulling block 18 is pulled again, the pulling block 18 slides to drive the second connecting rod 17 to slide upwards, the second connecting rod 17 slides upwards to drive the clamping block 20 to slide upwards and extrude the second telescopic spring 19, and the machined workpiece between the clamping blocks 20 is taken out.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a cross wedge rolling stock stop, includes base (1), its characterized in that, two fixed plate (2) of upside fixedly connected with of base (1), one of them fixedly connected with backup pad (3) on the lateral wall of fixed plate (2), upside fixedly connected with motor (4) of backup pad (3), one of them rotate on the lateral wall of fixed plate (2) and be connected with two pivot (5), two pivot (5) all run through the lateral wall of fixed plate (2), the output shaft fixed connection of motor (4) is in the one end of one of them pivot (5), every the one end fixedly connected with roll (6) of pivot (5), every movable groove (9) have been seted up on the lateral wall of fixed plate (2), every the inner wall of movable groove (9) is equipped with moving mechanism.

2. The cross wedge rolling stock stop of claim 1, characterized in that each moving mechanism comprises a limiting rod (10), each limiting rod (10) is fixedly connected between the inner walls of the movable grooves (9), a movable block (11) is slidably connected on the outer side wall of each limiting rod (10), a return spring (12) is fixedly connected between each movable block (11) and the inner side wall of each movable groove (9), each return spring (12) is sleeved on the outer side wall of each limiting rod (10), and a telescopic mechanism is arranged on the side wall of each movable block (11).

3. The crosswedge rolling stock stop of claim 2, characterized in that each said telescoping mechanism comprises a fixed rod (13), each fixed rod (13) is slidably connected to the inner side wall of the movable block (11), each said fixed rod (13) penetrates through the movable block (11), one end of each said fixed rod (13) is fixedly connected with a clamping frame (14), each said movable block (11) and clamping frame (14) is fixedly connected with a first telescoping spring (15), each said first telescoping spring (15) is sleeved on the outer side wall of the fixed rod (13), and the inner wall of each said clamping frame (14) is provided with a fixing mechanism.

4. The crosswedge rolling stock stop of claim 3, characterized in that, each said fixed mechanism includes a first connecting rod (16), each said first connecting rod (16) is fixedly connected to the bottom side wall of the clamping frame (14), each said clamping frame (14) has a second connecting rod (17) on the upper side wall in sliding connection, each said second connecting rod (17) runs through the upper side wall of the clamping frame (14) and is fixedly connected with a pulling block (18), each said second connecting rod (17) and each said first connecting rod (16) opposite end is fixedly connected with a clamping block (20), every two said clamping blocks (20) are symmetrically arranged, each said second connecting rod (17) has a second expansion spring (19) on the outer side wall.

5. The cross wedge rolling stock stop of claim 4, characterized in that a wear layer (21) is fixedly connected to one side of each clamping block (20), the shape of each clamping block (20) and the wear layer (21) is semicircular, the shape of each clamping block (20) and the shape of the wear layer (21) are matched, and the material of each wear layer (21) is rubber.

6. A crosswedge rolling stock stop according to claim 5, characterized in that a protection layer (22) is fixedly connected to one side of each wear-resistant layer (21), each protection layer (22) is semicircular in shape, each protection layer (22) is matched with the wear-resistant layer (21) in shape, and each protection layer (22) is made of asbestos-resistant material.

7. The cross wedge rolling stock stop of claim 1, characterized in that one end of each rotating shaft (5) is provided with a rotating groove (7), and a belt (8) is in transmission connection between the two rotating grooves (7).

8. A cross wedge stock stop according to claim 3, characterised in that the two fixing bars (13) are located in the same vertical level as the two rolls (6).