CN214348764U

CN214348764U - Straightening machine

Info

Publication number: CN214348764U
Application number: CN202120378718.XU
Authority: CN
Inventors: 巨二伟
Original assignee: Xi'an Jiaheng Heat Treatment Co Ltd
Current assignee: Xi'an Jiaheng Heat Treatment Co Ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-10-08
Anticipated expiration: 2031-02-19

Abstract

The utility model relates to a straightener relates to the field of work piece alignment equipment, and it includes base, support frame, and the support frame is located the base top, the support frame with the base is connected, still includes drive assembly and direction subassembly, and drive assembly includes pneumatic cylinder, hydraulic pump and oil pipe, the cylinder body and the support frame fixed connection of pneumatic cylinder, the vertical setting of piston rod of pneumatic cylinder, and hydraulic pump and pneumatic cylinder pass through the fixed intercommunication of oil pipe, and the direction subassembly includes deflector and guide bar, has seted up the guiding hole on the cylinder body of pneumatic cylinder, and guide bar one end sliding connection is in the guiding hole, the other end and deflector fixed connection, the piston rod fixed connection of deflector and pneumatic cylinder. In the working process, the guide assembly prevents a piston rod of the hydraulic cylinder from rotating in the telescopic process, so that the piston rod is prevented from driving a workpiece to deviate. This application has the effect that improves the straightener to the alignment precision of work piece.

Description

Straightening machine

Technical Field

The application relates to the field of workpiece straightening equipment, in particular to a straightening machine.

Background

The straightening machine is used for straightening metal shaft workpieces and is indispensable key equipment after heat treatment of the workpieces. The straightening machine can be used for straightening the workpiece so that the workpiece can obtain an ideal straightness requirement or rotation precision requirement, and the workpiece can be guaranteed to reach the assembly precision.

The straightening machine in the related technology comprises a rack and a hydraulic oil cylinder, wherein a cylinder body of the hydraulic oil cylinder is fixedly connected with the rack, and a piston rod of the hydraulic oil cylinder stretches and retracts to extrude and straighten the metal casting in the using process.

In view of the above related technologies, the inventor believes that a piston rod of a hydraulic oil cylinder rotates in a stretching process, which causes displacement of a workpiece in a straightening process, and thus causes reduction of the straightening accuracy of the workpiece.

SUMMERY OF THE UTILITY MODEL

In order to improve the alignment precision of straightener to the work piece, this application provides a straightener.

The application provides a straightener adopts following technical scheme:

the utility model provides a straightening machine, includes base and support frame, the support frame is located the base top, the support frame with the base is connected, still includes drive assembly and direction subassembly, drive assembly includes pneumatic cylinder, hydraulic pump and oil pipe, the cylinder body and the support frame fixed connection of pneumatic cylinder, the vertical setting of piston rod of pneumatic cylinder, the hydraulic pump with the pneumatic cylinder passes through the fixed intercommunication of oil pipe, the direction subassembly includes guide bar and deflector, the guiding hole has been seted up on the cylinder body of pneumatic cylinder, guide bar one end sliding connection in the guiding hole, the other end with deflector fixed connection, the deflector with the piston rod fixed connection of pneumatic cylinder.

Through adopting above-mentioned technical scheme, when straightening the work piece, open the hydraulic pump, the piston rod of hydraulic pump drive pneumatic cylinder is flexible, drives the guide bar when the piston rod is flexible and removes, and the guide bar slides in the guiding hole, because the piston rod fixed connection of guide bar and pneumatic cylinder, therefore the guide bar can prevent that the piston rod of pneumatic cylinder is rotatory at flexible in-process to avoid the work piece to drive by the piston rod in the alignment and take place the skew, improve the alignment precision of straightener.

Optionally, the driving assembly further includes a travel switch, and the travel switch is electrically connected to the hydraulic pump.

By adopting the technical scheme, in the straightening process, the switch of the hydraulic pump is controlled through the travel switch, so that the stretching of the piston rod is controlled, when the piston rod reaches the set position, the stretching can be automatically stopped, the travel of the piston rod is conveniently controlled, the mechanical equipment is subjected to limiting protection, the workpiece is prevented from being excessively straightened or the straightness required by straightening cannot be achieved in the straightening process, and the straightening precision of the workpiece by the straightening machine is favorably improved.

Optionally, the hydraulic cylinder is arranged on the base, the working table comprises a connecting seat and a working plate, the connecting seat is located between the base and the supporting frame, the working plate is fixedly connected with the connecting seat, and the working plate is located under the hydraulic cylinder.

Through adopting above-mentioned technical scheme, the working plate can provide the support to the work piece for the work piece keeps the level in the alignment process, and the work piece of various sizes can be supplied to place to the working plate simultaneously, improves the application range of straightener.

Optionally, the workbench further comprises a supporting block, one end of the supporting block is fixedly connected with the connecting seat, and the other end of the supporting block is fixedly connected with the working plate.

Through adopting above-mentioned technical scheme, the supporting shoe provides the support to the working plate for the workstation is whole to keep good steadiness, strengthens the security of straightener in the use.

Optionally, a storage groove is formed in the connecting seat.

Through adopting above-mentioned technical scheme, the storing groove is convenient for the workman to place instrument or labour protection articles for use, strengthens the performance of straightener.

Optionally, the mounting seat further comprises two mounting seats, each mounting seat comprises a bottom plate and two reinforcing rods, the bottom plates are fixedly connected with the base, and one end of each reinforcing rod corresponds to one fixing rod in a one-to-one mode and is fixedly connected with one fixing rod.

Through adopting above-mentioned technical scheme, the bottom plate increases the area of contact of straightener and ground, reduces the straightener and rocks the problem of vibrations in the course of the work, and the stiffener further improves the steadiness of mount pad to the security in the reinforcing straightener uses.

Optionally, the workpiece fixing device further comprises a clamping assembly, wherein the clamping assembly is located on the working plate and used for fixing the workpiece.

Through adopting above-mentioned technical scheme, the centre gripping subassembly is fixed to the work piece, reduces the work piece and takes place the problem of rotation, skew in the alignment process, improves the alignment precision to the work piece.

Optionally, the clamping assembly comprises a plurality of first clamping blocks, and the first clamping blocks are provided with a plurality of clamping grooves.

Through adopting above-mentioned technical scheme, when straightening the work piece, place first grip block on the working plate, according to the distance between two first grip blocks of length adjustment of work piece, then with placing in the draw-in groove of a first grip block of work piece both ends one-to-one, above-mentioned operation can be simple swift carry out the centre gripping to the work piece, can be convenient for rotate the work piece in the alignment process, has simplified the operation of centre gripping work piece, has effectively improved work efficiency.

Optionally, the clamping assembly comprises two second clamping blocks, two limiting holes are formed in the second clamping blocks, fasteners are arranged on the second clamping blocks, and the fasteners are in threaded connection with the fixing blocks and one ends of the fasteners extend into the limiting holes.

Through adopting above-mentioned technical scheme, when straightening the work piece, place the second grip block on the working plate, according to the distance between two second grip blocks of length adjustment of work piece, then with the spacing downthehole of inserting a second grip block of work piece both ends one-to-one, add the fastener and screw up in order to fix the work piece again, reduced the alignment in-process work piece and rocked the problem of aversion, effectively improved the alignment precision of straightener to the work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the straightening machine is provided with the guide assembly, the guide assembly comprises a guide plate and a guide rod, a guide hole is formed in the cylinder body of the hydraulic cylinder, one end of the guide rod is connected in the guide hole in a sliding mode, the other end of the guide rod is fixedly connected with the guide plate, the guide plate and the piston rod of the hydraulic cylinder are fixedly connected with the piston rod of the hydraulic cylinder in the telescopic process, the guide rod prevents the piston rod of the hydraulic cylinder from rotating in the telescopic process, therefore, a workpiece is prevented from being driven by the piston rod to deviate in the straightening process, and the straightening precision of the straightening machine is improved;

2. the application provides a pair of straightener is equipped with the centre gripping subassembly, and the centre gripping subassembly is used for carrying out the centre gripping at the work piece and fixes, reduces the work piece and takes place the problem of rotation, skew at the alignment in-process, improves the alignment precision to the work piece.

Drawings

Fig. 1 is a schematic view of the overall structure of a straightening machine according to embodiment 1 of the present application;

fig. 2 is a cross-sectional view of a straightener and hydraulic cylinder and guide assembly of embodiment 1 of the present application;

fig. 3 is a schematic structural view of a holding assembly and a working plate of a straightening machine according to embodiment 2 of the present application.

Reference numerals: 1. a mounting seat; 11. a base plate; 111. mounting grooves; 12. a reinforcing bar; 2. a base; 21. a support bar; 22. a support plate; 3. a work table; 31. a connecting seat; 311. a storage tank; 32. a working plate; 33. a support block; 4. a support frame; 41. mounting holes; 5. a drive assembly; 51. a hydraulic cylinder; 511. a guide hole; 52. a hydraulic pump; 53. an oil pipe; 54. a travel switch; 6. a guide assembly; 61. a guide plate; 62. a fixing plate; 63. a guide bar; 7. a clamping assembly; 71. a first clamping block; 711. a card slot; 72. a second clamping block; 721. a limiting hole; 722. a threaded hole; 723. a fastener.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a straightening machine.

Example 1

Referring to fig. 1 and 2, the straightener includes a mount 1, a base 2, a table 3, a support frame 4, a drive assembly 5, a guide assembly 6, and a clamp assembly 7.

Referring to fig. 1, the mounting base 1 includes a bottom plate 11 and two reinforcing rods 12, the bottom plate 11 is provided with two, the two bottom plates 11 are arranged in parallel along the length direction, the reinforcing rods 12 are provided with two, the two reinforcing rods 12 are arranged in parallel, and one end of each reinforcing rod 12 is welded to one bottom plate 11 in a one-to-one correspondence manner.

Referring to fig. 1, base 2 is located mount pad 1, and base 2 includes bracing piece 21 and backup pad 22, and bracing piece 21 is equipped with six, and three bracing piece 21 is a set of and a bottom plate 11 is connected, and bracing piece 21 is vertical to be set up, and bracing piece 21 has seted up mounting groove 111 along 11 length direction interval evenly distributed of bottom plate, bottom plate 11, and the welding of the inner wall of bracing piece 21 one end and mounting groove 111, the welding of the bracing piece 21 other end and backup pad 22.

Referring to fig. 1, the workbench 3 includes a connecting seat 31, a working plate 32 and supporting blocks 33, the connecting seat 31 is in a rectangular parallelepiped shape, the connecting seat 31 penetrates through along a length direction to be provided with a storage groove 311, the connecting seat 31 is located on the supporting plate 22 and welded with the supporting plate 22, the working plate 32 is welded with the upper surface of the connecting seat 31, the supporting blocks 33 are in a right-angled triangular prism shape, the supporting blocks 33 are provided with two supporting blocks 33, the two supporting blocks 33 are located on two sides of the connecting seat 31, one right-angled side wall of each supporting block 33 is welded with the connecting seat 31, and the other right-angled side wall is welded with the working plate 32.

Referring to fig. 1, support frame 4 one end and connecting seat 31 welding, drive assembly 5 includes pneumatic cylinder 51, hydraulic pump 52, oil pipe 53 and travel switch 54, pneumatic cylinder 51 is located directly over the working plate 32, mounting hole 41 has been seted up on support frame 4, the cylinder body of pneumatic cylinder 51 and the mounting hole 41 inner wall adopt screw fixed connection, the vertical setting of axis of pneumatic cylinder 51, hydraulic pump 52's casing and connecting seat 31 adopt screw fixed connection, hydraulic pump 52 and pneumatic cylinder 51 pass through oil pipe 53 fixed intercommunication, travel switch 54 adopts screw fixed connection with support frame 4, travel switch 54 and hydraulic pump 52 electric connection.

Referring to fig. 1 and 2, the guide assembly 6 includes a guide plate 61, a fixed plate 62 and a guide rod 63, a diameter of one end of a piston rod of the hydraulic cylinder 51 close to the working plate 32 is smaller than a diameter of one end of the piston rod far away from the working plate 32, the guide plate 61 is sleeved on an outer wall of the piston rod with a smaller diameter, the fixed plate 62 is in threaded connection with one end of the piston rod with a smaller diameter, the fixed plate 62 is in fixed connection with the guide plate 61 through bolts, the guide rod 63 is provided with two guide holes 511, the guide rod 63 is slidably connected in one guide hole 511 in a one-to-one correspondence manner at one end of the guide rod 63, and one end of the guide rod 63 far away from the cylinder body is welded with the guide plate 61.

Referring to fig. 1, the clamping assembly 7 includes two first clamping blocks 71, and V-shaped slots 711 are formed in the two first clamping blocks 71.

The implementation principle of the embodiment 1 is as follows: when the workpiece is straightened, the first clamping block 71 is placed on the working plate 32, and then the two ends of the workpiece are clamped in the clamping grooves 711 of the first clamping block 71; when the straightening machine works, the travel switch 54 is started, and the travel switch 54 controls the oil inlet amount of the hydraulic pump 52 to the hydraulic cylinder 51, so that the expansion amount of a piston rod of the hydraulic cylinder 51 is controlled, and the workpiece is conveniently and accurately straightened.

In the process of extending and retracting the piston rod of the hydraulic cylinder 51, the piston rod drives the guide plate 61 to move, and the guide plate 61 drives the guide rod 63 to slide along the inner wall of the guide hole 511 when moving, so that the piston rod is prevented from rotating in the process of extending and retracting, and the straightening accuracy of the straightening machine is improved.

The mounting base 1 can increase the contact area of the straightening machine and the ground and reduce the problem of shaking and vibration of the straightening machine in the working process; the support blocks 33 provide support for the work plate 32, so that the whole straightening machine keeps good stability, and the safety of the straightening machine in the use process is enhanced.

Example 2

Referring to fig. 3, the difference between the embodiment 2 and the embodiment 1 is that the clamping assembly 7 is different, the clamping assembly 7 includes two second clamping blocks 72, two second clamping blocks 72 are provided, a limiting hole 721 is formed in the second clamping block 72, the limiting hole 721 is a tapered hole, a threaded hole 722 is formed in a side wall of the second clamping block 72, the threaded hole 722 is communicated with the limiting hole 721, a fastening member 723 is connected to the threaded hole 722 through an internal thread, and one end of the fastening member 723 passes through the threaded hole 722 and extends into the limiting hole 721.

The implementation principle of the embodiment 2 is as follows: when clamping a workpiece, the second clamping block 72 is placed on the working plate 32, then the two ends of the workpiece are inserted into the limiting holes 721, and then the fastener 723 is rotated, so that one end of the fastener 723 abuts against the workpiece, the tapered limiting holes 721 can be used for clamping workpieces with different sizes and straightness, and the application range of the clamping assembly 7 is enlarged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a straightening machine, includes base (2) and support frame (4), support frame (4) are located base (2) top, support frame (4) with base (2) are connected, its characterized in that: still include drive assembly (5) and direction subassembly (6), drive assembly (5) include pneumatic cylinder (51), hydraulic pump (52) and oil pipe (53), the cylinder body and support frame (4) fixed connection of pneumatic cylinder (51), the vertical setting of piston rod of pneumatic cylinder (51), hydraulic pump (52) with pneumatic cylinder (51) are through oil pipe (53) fixed intercommunication, direction subassembly (6) are including guide bar (63) and deflector (61), guiding hole (511) have been seted up on the cylinder body of pneumatic cylinder (51), guide bar (63) one end sliding connection in guiding hole (511), the other end with deflector (61) fixed connection, deflector (61) with the piston rod fixed connection of pneumatic cylinder (51).

2. A straightening machine according to claim 1, characterized in that: the drive assembly (5) further comprises a travel switch (54), and the travel switch (54) is electrically connected with the hydraulic pump (52).

3. A straightening machine according to claim 1, characterized in that: still include workstation (3), workstation (3) are including connecting seat (31) and working plate (32), connecting seat (31) are located base (2) with between support frame (4), working plate (32) with connecting seat (31) fixed connection, working plate (32) are located under pneumatic cylinder (51).

4. A straightener as claimed in claim 3, wherein: the workbench (3) further comprises a supporting block (33), one end of the supporting block (33) is fixedly connected with the connecting seat (31), and the other end of the supporting block (33) is fixedly connected with the working plate (32).

5. A straightener as claimed in claim 3, wherein: the connecting seat (31) is provided with a storage groove (311).

6. A straightening machine according to claim 1, characterized in that: still include mount pad (1), mount pad (1) includes bottom plate (11) and stiffener (12), bottom plate (11) are equipped with two, bottom plate (11) with base (2) fixed connection, stiffener (12) one end one-to-one and a bottom plate (11) fixed connection.

7. A straightener as claimed in claim 3, wherein: the workpiece fixing device is characterized by further comprising a clamping assembly (7), wherein the clamping assembly (7) is located on the working plate (32), and the clamping assembly (7) is used for fixing a workpiece.

8. A straightener as claimed in claim 7, wherein: the clamping assembly (7) comprises a first clamping block (71), the first clamping block (71) is provided with a plurality of clamping grooves, and the first clamping block (71) is provided with a clamping groove (711).

9. A straightener as claimed in claim 7, wherein: the clamping assembly (7) comprises a second clamping block (72), the number of the second clamping blocks (72) is two, a limiting hole (721) is formed in the second clamping block (72), a fastening piece (723) is arranged on the second clamping block (72), the fastening piece (723) is in threaded connection with the second clamping block (72), and one end of the fastening piece extends into the limiting hole (721).