CN214919375U - Swing type anti-deformation straightening device - Google Patents

Abstract

The utility model belongs to the technical field of straightening devices, in particular to a swinging type anti-deformation straightening device, which comprises a press machine and a support piece matched with the press machine to realize the straightening of a workpiece, wherein the support piece comprises a pressure bearing support and a support block for supporting the workpiece, the end part of the pressure bearing support close to the support block is provided with a rotating groove, the end part of the support block close to the pressure bearing support is provided with a rotating head matched with the rotating groove in a rotating way, and the rotating head is arranged in the rotating groove when the support block supports the workpiece; and the support block is provided with a stop piece in stop fit with the pressure-bearing support, and the stop piece is used for limiting the range of the swing angle of the rotating head in the rotating groove. The utility model discloses the convenience is changed a piece dismouting, has promoted production efficiency.

Description

Swing type anti-deformation straightening device

Technical Field

The utility model belongs to the technical field of the coalignment, concretely relates to oscillating resistance to deformation coalignment.

Background

The heat treatment deformation problem of hollow thin-wall long-shaft workpiece (hereinafter referred to as shaft tube) is always one of the main factors influencing the product performance. In the heat treatment cooling structure transformation process, the internal stress is unevenly distributed as a direct factor for generating deformation and bending, especially, the influence of long-shaft workpieces is more obvious, the deformation can be properly reduced by controlling the thickness difference of the transverse section wall of the workpiece and the orientation during quenching through the process, but part of the workpiece can generate larger bending deformation to exceed the technical requirements, the shaft tube bending deformation not only influences the processing allowance of the next procedure, if the workpiece is not corrected in time, the shaft tube bending deformation can cause insufficient processing allowance and incomplete removal of shallow harmful tissues to cause scrap or failure during batch production, especially during machining, but also influences the gap size of half shaft through holes, friction deformation can be caused in use, and accidents such as breakage of half shafts can be caused in serious cases.

The prior art discloses a patent document with the name of a steel tube straightening device, the name of the patent document is CN 205270438U, and the name of the patent document is 2016.06.01, the patent document comprises a base, a press assembly, at least two lifting conveying roller assemblies, at least one lifting rotating roller assembly and two straightening assemblies … …, wherein the two straightening assemblies 50 are respectively positioned at two ends of the base 10 along the placing direction of the steel tube, and a straightening die holder 51 and a straightening die 52 are movably connected together in a lifting way. Specifically, two sides of the straightening die 52 are respectively provided with a support block 53, two sides of the straightening die holder 51 are provided with a fixed block 54 opposite to the support block 53, and a hinge cylinder 55 and a support plate 56 which are parallel to each other are arranged between the support block 53 and the fixed block 54 (the axes of the hinge cylinder 55 and the support plate 56 are parallel to each other). Two ends of the hinged oil cylinder 55 are respectively hinged with the supporting block 53 and the fixed block 54, the lower end of the supporting plate 56 is fixedly connected to the fixed block 54, and a gap is formed between the upper end of the supporting plate 56 and the supporting block 53.

In the use, in order to avoid the poor problem of correction effect that the central siphon caused to alignment mould wearing and tearing, need change the alignment grinding apparatus according to the degree of wear. However, in the prior art, the straightening grinding tool is connected with the straightening die holder through the supporting block, the fixing block and the hinged oil cylinder, so that the connecting structure is complex, the disassembly and the assembly are troublesome, the replacement time is long, and the production efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model aims to provide a swing type resistance to deformation coalignment through set up the rotation groove on the pressure-bearing support, be provided with on a piece with rotation groove normal running fit rotate the head and with pressure-bearing support stop complex stop piece to realize a piece can swing the purpose of guaranteeing work piece and a piece face contact in certain extent, reach simultaneously and conveniently change, promote production efficiency to a piece dismouting.

In order to achieve the above purpose, the technical scheme of the utility model is that: a swing type anti-deformation straightening device comprises a press machine and a supporting piece matched with the press machine to realize workpiece straightening, wherein the supporting piece comprises a pressure bearing support and a support block used for supporting the workpiece, a rotating groove is formed in the end part, close to the support block, of the pressure bearing support, a rotating head in rotating fit with the rotating groove is arranged at the end part, close to the pressure bearing support, of the support block, and the rotating head is arranged in the rotating groove when the support block supports the workpiece; and the support block is provided with a stop piece in stop fit with the pressure-bearing support, and the stop piece is used for limiting the range of the swing angle of the rotating head in the rotating groove.

Preferably, the stop member includes a first protrusion and a second protrusion disposed at an end of the support block close to the rotating head, and the first protrusion and the second protrusion are disposed at two sides of the rotating head respectively.

Preferably, an adjusting piece is arranged at the end part of the pressure bearing support close to the rotating groove, and the adjusting piece supports the support block to keep the support block in a vertical state under the state that the workpiece is not placed on the support block.

Preferably, the adjusting piece adopts an adjusting jackscrew.

Preferably, the pressure-bearing support is further provided with a support assembly, the support assembly comprises a support plate connected to the pressure-bearing support and an elastic member connected to the support plate, and the other end of the elastic member abuts against the support block.

Preferably, the elastic member is a compression spring.

Preferably, the supporting block comprises a first supporting block for supporting the workpiece and a second supporting block connected with the first supporting block, and the rotating head is arranged at the end part, far away from the first supporting block, of the second supporting block.

Preferably, the press machine includes a base, a ram, and a rotation mechanism connecting the base and the ram, the rotation mechanism allowing the ram to have a degree of freedom of rotation in the circumferential direction of the base.

Preferably, slewing mechanism including set up in the connector of pressure head and set up in the spread groove of base, the connector is provided with the edge the spacing ring that connector circumference extends, be provided with on the base and stretch into the spread groove with spacing ring complex stop bolt.

Preferably, the straightening device further comprises a bending detection device arranged below the press machine and used for detecting the bending degree of the workpiece.

Adopt the utility model discloses technical scheme's beneficial effect does:

the rotating head is arranged on the support block, the rotating groove is formed in the pressure bearing support, and the rotating head is placed in the rotating groove when a workpiece is supported, so that the support block is more convenient and quicker to replace; through being provided with the locating part on a piece, the locating part cooperates with the pressure-bearing support, prescribes a limit to the swing angle of a piece to avoid because of the too big phenomenon that causes a piece to topple over completely of a piece swing range, it is more reliable in the use.

Drawings

FIG. 1 is a front view of an embodiment of a swing type anti-deformation straightening device;

fig. 2 is a left side view of an embodiment of a swing type anti-deformation straightening device.

In the figures 1 and 2, 1-press, 11-oil cylinder, 12-base, 121-connecting groove, 122-limiting bolt, 13-pressure head, 131-connecting head, 132-limiting ring, 2-supporting piece, 21-supporting piece, 211-first supporting piece, 212-second supporting piece, 213-first protrusion, 214-second protrusion, 215-rotating head, 216-supporting piece connecting bolt, 22-bearing support, 221-rotating groove, 222-limiting block, 3-base, 4-workpiece, 5-bending detection device, 6-adjusting jackscrew, 7-supporting component, 71-compression spring and 72-supporting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, and do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A swing type anti-deformation straightening device is characterized in that a supporting piece of the straightening device comprises a supporting block and a pressure-bearing support, wherein a rotating head arranged at the bottom of the supporting block is matched with a rotating groove at the top end of the pressure-bearing support, so that the supporting block can swing when a workpiece is straightened; the stop piece matched with the pressure-bearing support is arranged on the support block, so that the swing amplitude of the support block can be limited, and the workpiece can be smoothly straightened.

The specific embodiment is as follows:

example 1, as shown in fig. 1 and 2, a swing type anti-deformation straightening device comprises a press 1 and a support 2. The press 1 includes a cylinder 11, a base 12, and a ram 13. The upper end of the base 12 is provided with a flange surface and is connected to the oil cylinder 11 through the flange surface and a bolt. The oil cylinder 11 can be extended and retracted up and down to drive the base 12 to move in the vertical direction. A ram 13 is attached to the lower end of the base 12. The bottom of the pressing head 13 is provided with a first recess matching the shape of the workpiece 4. In the straightening process, the pressure head 13 is abutted against the workpiece 4 through the first recess to apply force, and the straightening work is completed. The base 12 and the pressure head 13 are arranged in a split mode, the weight of a single component is reduced, the operation can be completed by a single person when the pressure head 13 is replaced, and the operation is more convenient.

A base 3 is provided below the ram 13. Be connected with support piece 2 on the base 3, support piece 2 is provided with two, two support piece 2 symmetries, clearance setting on base 3. The support 2 includes a support block 21 for supporting the workpiece 4 and a pressure-bearing support 22 for supporting the support block 21. The bottom of the pressure bearing support 22 is provided with a flange surface and is connected with the base 3 through the flange surface and bolts. The top end of the pressure bearing support 22 is provided with a rotating groove 221. The lower end of the support block 21 is provided with a rotating head 215, and the rotating head 215 is matched with a rotating groove 221. The upper end of the support block 21 is provided with a second recess matching the outer shape of the workpiece 4. When the workpiece 4 is straightened, the workpiece is placed in the second recesses of the two support blocks 21, the rotating head 215 is placed in the rotating groove 221, and when the pressing head 13 presses the workpiece 4 downwards, the support blocks 21 can swing relative to the pressure-bearing support 22 under the driving of the workpiece 4.

In this embodiment, the rotation groove 221 is an arc groove, and the rotation groove 221 extends in the front-rear direction of the pressure-bearing support 22 and has front and rear ends open. The rotating head 215 is a circular arc shape protruding outward and matching with the rotating groove 221, and the height of the rotating head 215 is slightly larger than the depth of the rotating groove 221. The front end and the rear end of the rotating groove 221 are open, so that the rotating groove 221 is convenient to process, and the processing technology is simplified. Meanwhile, in order to prevent the rotating head 215 from unintentionally sliding out of the front and rear open ends of the rotating groove 221, the front and rear openings of the rotating groove 221 are provided with stoppers 222. The limiting block 222 is connected to the pressure bearing support 22 through a bolt, so that the limiting effect is good, the structure is simple, and the processing is convenient.

In order to avoid the tilting phenomenon caused by the overlarge swing amplitude of the support block 21 when the workpiece 4 is straightened, stop pieces are arranged on the left side and the right side of the support block 21. The stopper includes a first protrusion 213 disposed on the right side of the support block 21 and a second protrusion 214 disposed on the left side of the support block 21. In the present embodiment, the width of the upper end of the rotating head 215 in the left-right direction is smaller than that of the stay 21, and thus a left second projection 214 and a right first projection 213 are formed at the connection of the rotating head 215 and the stay 21, respectively. Thus, when the rotary head 215 is placed in the rotary groove 221, the rotary head 215 can swing with a certain amplitude; meanwhile, due to the stopping function of the first protrusion 213 and the right edge of the rotating groove 221, and the stopping function of the second protrusion 214 and the left edge of the rotating groove 221, the swing range of the rotating head 215 is limited, and the support block 21 is prevented from tilting during the swing process.

When the swing type anti-deformation straightening device is used, a workpiece 4 is placed in the second recess of the supporting piece 2, and the supporting piece 2 can move left and right under the driving of the base 3 as necessary to adjust the part, needing to be straightened, on the workpiece 4. After the position of the workpiece 4 is adjusted, the oil cylinder 11 drives the pressing head 13 to move downwards, and the pressing head 13 is clamped on the workpiece 4 through the first recess and is aligned with the workpiece 4 under the force application effect of the pressing head 13. In the process that the pressure head 13 applies force downwards to straighten the workpiece 4, the workpiece 4 can be bent downwards, and the workpiece 4 drives the support block 21 to swing relative to the pressure-bearing support 22 in the process, so that the workpiece 4 and the second recess are always in surface contact, and the deformation of the recess caused by the fact that the edge of the second recess extrudes the workpiece 4 is avoided. Meanwhile, due to the stopping action of the first protrusion 213 and the right edge of the rotating slot 221 and the stopping action of the second protrusion 214 and the left edge of the rotating slot 221, the swing range of the rotating head 215 is limited, and the support block 21 is prevented from being toppled due to an overlarge stress. This coalignment is when needing to be changed a piece 21, and a piece 21 appears wearing and tearing promptly, or need to change suitable size a piece 21 when, directly will a piece 21 take down change can, it is convenient to change, has promoted production efficiency.

Further, at the top end of the pressure-bearing support 22, on the side of the rotating groove 221 near the second protrusion 214, an adjusting member capable of adjusting the height is provided. The adjustment member is located below the second projection 214. When the fulcrum block 21 is placed on the pressure-bearing support 22, the adjusting member supports the second protrusion 214 by adjusting the height of the adjusting member so that the fulcrum block 21 is in a vertical state. In the present embodiment, the adjusting member employs an adjusting jack 6. The adjusting jackscrew 6 is simple in structure and easy to obtain, the height of the adjusting jackscrew 6 can be adjusted by screwing, and the operation is convenient.

Further, a support assembly 7 is connected to a side surface of the pressure bearing support 22 adjacent to the first protrusion 213. The support assembly includes a support plate 72 and a resilient member. The support plate 72 is connected to the side of the pressure receiving support 22 by bolts, and the support plate 72 is in a vertical state. An elastic member is connected to the top end of the support plate 72 on the side close to the support 21. The other end of the elastic member abuts against the side surface of the support 21. The elastic member and the adjusting jackscrew 6 are respectively arranged at two sides of the rotating groove 221, and when the support block 21 is not acted by the workpiece 4, the support block 21 can be stably kept in a vertical state through two-way force application. Meanwhile, after the workpiece 4 is straightened and moved, the supporting block 21 is restored to the vertical state under the effect of the resilience force of the elastic part, so that the next straightening work is facilitated.

In the embodiment, the elastic member adopts the compression spring 71, so that the components are easy to obtain and low in cost. When the support 21 is not pressed, the pressing force of the compression spring 71 on the support 21 is zero or more.

Further, the branch block 21 includes a first branch block 211 and a second branch block 212. The first leg 211 is above the second leg 212. The second recess is provided at the top end of the first leg 211, and the rotating head 215 is provided at the bottom end of the second leg 212. A counter bore is arranged on the first supporting block 211, and a supporting block connecting bolt 216 penetrates into the counter bore. The connection of the first leg block 211 and the second leg block 212 is achieved by a leg block connection bolt 216. With a piece 21 decomposition into two parts, not only alleviateed the weight of single part, practiced thrift the cost of manufacture, and when 4 production lines of different kind work pieces switch, only need alone can operate the unscrewing and tighten the bolt and change, reduce production assistance-time, improve production efficiency greatly.

Further, the base 12 and the ram 13 are connected by a rotation mechanism so that the ram 13 can rotate in the horizontal direction. In the process that the pressure head 13 compresses tightly the workpiece 4 downwards, the pressure head 13 can rotate freely to enable the first sunken fitting workpiece 4 to be better, and the surface of the workpiece 4, which is caused by the angle error between the first sunken fitting workpiece and the workpiece 4, is prevented from being deformed due to the pits.

More specifically, the rotating mechanism includes a coupling groove 121 provided at the bottom of the base 12 and a coupling head 131 provided at the upper end of the pressing head 13. The connecting groove 121 is cylindrical, and the connecting head 131 is cylindrical and extends into the connecting groove 121. The side wall of the connecting head 131 is provided with a ring of inwardly recessed retaining rings 132. A screw through hole communicating with the connection groove 121 is provided on the base 12, and a limit bolt 122 is connected in the screw through hole. The end of the limit bolt 122 extends into the limit ring 132 to limit the connection head 131, i.e. the pressure head 13 can rotate freely in the horizontal direction under the condition that the pressure head 13 is connected with the base 12.

Further, a bending detection device 5 is provided on the base 3. The bending detection device 5 is located between the two supports 2. The bending detection device 5 comprises a dial indicator. Before and after straightening, the bending detection device 5 is used for detecting the bending value of the workpiece 4, the straightening condition of the workpiece 4 can be reflected through the variable quantity of the two values, and whether the straightening work is qualified or not is confirmed.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without the technical solutions of the present invention, or the present invention can be directly applied to other occasions without the improvements, and all are within the protection scope of the present invention.

Claims (10)

1. A swing type anti-deformation straightening device comprises a press machine and a supporting piece matched with the press machine to realize workpiece straightening, and is characterized in that the supporting piece comprises a pressure bearing support and a support block used for supporting the workpiece, a rotating groove is formed in the end part, close to the support block, of the pressure bearing support, a rotating head in rotating fit with the rotating groove is arranged at the end part, close to the pressure bearing support, of the support block, and the rotating head is arranged in the rotating groove when the support block supports the workpiece; and the support block is provided with a stop piece in stop fit with the pressure-bearing support, and the stop piece is used for limiting the range of the swing angle of the rotating head in the rotating groove.

2. The oscillating anti-deformation straightening device according to claim 1, wherein the stopping member comprises a first protrusion and a second protrusion which are arranged at the end of the supporting block close to the rotating head, and the first protrusion and the second protrusion are respectively arranged at two sides of the rotating head.

3. The oscillating type anti-deformation straightening device according to claim 2, wherein an adjusting piece is arranged at the end part of the pressure bearing support close to the rotating groove, and supports the support block to keep the support block in a vertical state under the state that the workpiece is not placed on the support block.

4. The oscillating type anti-deformation straightening device according to claim 3, wherein the adjusting piece adopts an adjusting jackscrew.

5. The oscillating anti-deformation straightening device according to claim 4, wherein a supporting component is further arranged on the pressure bearing support, the supporting component comprises a supporting plate connected to the pressure bearing support and an elastic member connected to the supporting plate, and the other end of the elastic member abuts against the support block.

6. The oscillating anti-deformation straightening device according to claim 5, wherein the elastic member is a compression spring.

7. The oscillating anti-deformation straightening device according to any one of claims 1 to 5, wherein the support block comprises a first support block for supporting the workpiece and a second support block connected with the first support block, and the rotating head is arranged at the end of the second support block far away from the first support block.

8. The oscillating anti-deformation straightening device according to any one of the claims 1 to 5, characterized in that the press comprises a base, a press head and a rotating mechanism connecting the base and the press head, wherein the rotating mechanism enables the press head to have a degree of freedom of rotation along the circumferential direction of the base.

9. The oscillating type anti-deformation straightening device according to claim 8, wherein the rotating mechanism comprises a connector arranged on the pressure head and a connecting groove arranged on the base, the connector is provided with a limiting ring extending along the circumferential direction of the connector, and the base is provided with a limiting bolt which extends into the connecting groove and is matched with the limiting ring.

10. The oscillating anti-deformation straightening device according to any one of claims 1 to 5, further comprising a bending detection device arranged below the press and used for detecting the bending degree of the workpiece.

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