CN213350280U

CN213350280U - Straightening device for heat treatment of workpiece

Info

Publication number: CN213350280U
Application number: CN202022173886.3U
Authority: CN
Inventors: 郑尧君; 安庆友; 张军
Original assignee: Changzhou Huifeng Tianyuan Heat Treatment Co ltd
Current assignee: Changzhou Huifeng Tianyuan Heat Treatment Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-04
Anticipated expiration: 2030-09-28

Abstract

The straightening device comprises a rack, wherein a supporting seat is arranged on the rack, a hydraulic piston rod is arranged on the supporting seat, a pressing block is arranged at one end, facing the rack, of the hydraulic piston rod, and a positioning assembly is arranged at a position, close to the pressing block, of the rack; the positioning assembly comprises a first positioning block and a graduated scale, the first positioning block is arranged on the rack in a sliding mode, and the graduated scale is fixed on the rack and arranged along the moving direction of the first positioning block. If the work piece produces the displacement before the alignment, directly with the tip of work piece and first locating piece butt can, need not the staff and relapse counterpoint the work piece, not only can reduce the manpower, reduce the repeated counterpoint of work piece moreover, it is that the precision of work piece alignment is higher.

Description

Straightening device for heat treatment of workpiece

Technical Field

The application relates to the technical field of pressure forming, in particular to a straightening device for heat treatment of workpieces.

Background

The straightening press is a mechanical device for pressing, straightening and calibrating shaft parts.

Referring to fig. 1, the hydraulic support device comprises a frame 1, a hydraulic piston rod 21 and a support base 2 for supporting the hydraulic piston rod 21 are arranged above the frame 1, a hydraulic pump 10 for driving the hydraulic piston rod 21 is arranged outside the frame 1, a mounting plate 100 perpendicular to the length direction of the frame 1 is oppositely arranged on the upper surface of the frame 1, and a fixing groove 1000 for placing a workpiece is formed in the mounting plate 100.

In view of the above related art, the inventor believes that placing a workpiece on a fixed groove drives a hydraulic piston rod to press the workpiece downward, the workpiece needs to be aligned with a workpiece alignment position and a hydraulic piston rod pressing position for many times by a worker before being aligned, and the workpiece is easy to shift due to manual misoperation and needs to be adjusted again before the hydraulic piston rod is pressed.

SUMMERY OF THE UTILITY MODEL

In order to improve because work piece and hydraulic piston rod are to the inaccurate problem that leads to the alignment precision to hang down, this application provides a straightening device for work piece thermal treatment.

The application provides a straightening device for workpiece heat treatment, adopts following technical scheme:

a straightening device for workpiece heat treatment comprises a rack, wherein a supporting seat is arranged on the rack, a hydraulic piston rod is arranged on the supporting seat, a pressing block is arranged at one end, facing the rack, of the hydraulic piston rod, and a positioning assembly is arranged at a position, close to the pressing block, of the rack;

the positioning assembly comprises a first positioning block and a graduated scale, the first positioning block is arranged on the rack in a sliding mode, and the graduated scale is fixed on the rack and arranged along the moving direction of the first positioning block.

Through adopting above-mentioned technical scheme, place the work piece that needs the alignment in the frame, then fix a position the tip of work piece through first locating piece, in the time of the location, after accurate with the position and the hydraulic piston pole counterpoint of work piece needs the alignment. The distance between the part needing to be straightened and the end part of the workpiece is measured, the position of the hydraulic piston rod is fixed, namely, the distance between the hydraulic piston rod and the first positioning block can be read through the graduated scale, therefore, after the distance between the part needing to be straightened and the end part of the workpiece is measured, the graduated scale is observed to move the first positioning block, and the distance between the first positioning block and the hydraulic piston rod is the distance between the part needing to be straightened and the end part of the workpiece. Therefore, the first positioning block can be moved to exactly position the end of the workpiece, so that secondary deviation is not easy to generate during positioning, and the number of times of positioning is reduced. If the work piece produces the displacement before the alignment, directly with the tip of work piece and first locating piece butt can, need not the staff and relapse counterpoint the work piece, not only can reduce the manpower, reduce the repeated counterpoint of work piece moreover, it is that the precision of work piece alignment is higher.

Optionally, a first screw rod is rotatably arranged on the frame, the first positioning block is sleeved on the first screw rod in a threaded manner, and a first limiting block is vertically and fixedly arranged at one end of the first positioning block in the length direction.

Through adopting above-mentioned technical scheme, rotate first screw rod, first locating piece removes along the length direction of first screw rod, can adjust the position of work piece. The first limiting block and the first positioning block are matched to limit the position of the workpiece more accurately.

Optionally, the first locating block is provided with a second limiting block along the length direction in a sliding manner, the second limiting block and the first limiting block are arranged in parallel, a first cylinder is arranged at a position, close to the second limiting block, on the first locating block, and the end part of a piston rod of the first cylinder is connected with the second limiting block.

Through adopting above-mentioned technical scheme, the setting of second stopper can cooperate first stopper to carry on spacingly for the width direction of work piece or the radial of work piece, reduces the work piece at the in-process of alignment, the rolling phenomenon appears.

Optionally, the graduated scale is arranged close to the first positioning block, a fixing block is arranged on the first positioning block, a pointer is arranged on the fixing block, a waist-shaped hole is formed in the fixing block, the pointer is inserted into the waist-shaped hole, and a limiting protrusion is arranged on the pointer.

Through adopting above-mentioned technical scheme, the setting of pointer can be convenient for observe the scale more accurate. When the scales need to be observed, the pointer penetrates through the waist-shaped hole, when the scales are not required to be detected, the pointer is lifted up, and then the pointer and the scales are separated through the limiting protrusions, so that the needle point of the pointer is not easy to damage.

Optionally, the frame rotates and is provided with the second screw rod, the second locating piece is worn to be equipped with by the screw thread on the second screw rod, second locating piece and first locating piece parallel arrangement, the fixed third stopper that is provided with of one end that just is close to the scale on the second locating piece, the second locating piece slides along its length direction and is provided with the fourth stopper parallel with the third stopper, the position that is close to the fourth stopper on the second locating piece is provided with the second cylinder, the tip and the fourth stopper of the piston rod of second cylinder are connected.

Through adopting above-mentioned technical scheme, the setting of second locating piece can be through the cooperation between second locating piece and the first locating piece between the two, and the work piece that will treat the alignment is reliably fixed to can be fixed more accurate with the work piece. And through third stopper and fourth stopper, can reliably fix the radial of work piece to can make the work piece in the alignment, be difficult to produce the phenomenon of rocking.

Optionally, a first positioning seat and a second positioning seat are arranged on the rack and between the first positioning block and the second positioning block, and the first positioning seat and the second positioning seat are both arranged in parallel with the first positioning block;

the first positioning seat and the second positioning seat are provided with positioning grooves in the surfaces far away from the rack, filling blocks are arranged on the positioning seats and located in the positioning grooves, and the surface, far away from the rack, of each filling block is flush with the surface, far away from the rack, of each positioning seat.

Through adopting above-mentioned technical scheme, the setting of first positioning seat and second positioning seat plays and carries out spacing effect to the work piece of treating the alignment. The constant head tank can carry on spacingly to cylindric work piece, when carrying out the alignment to the work piece of many deformations, places the filling block in the constant head tank. Thereby being convenient for limiting workpieces with different shapes.

Optionally, two parallel slide rails are arranged on the frame and along the length direction of the frame, and the first positioning seat and the second positioning seat are slidably sleeved on the slide rails.

Through adopting above-mentioned technical scheme, the setting of slide rail can play and change first positioning seat and second positioning seat to the work piece of adaptation different specifications.

Optionally, one side of the first positioning seat in the length direction is provided with a first clamping block, the first clamping block is located in the radial direction of the positioning groove, and the rack is hinged with a third cylinder which drives the first clamping block to move towards the first positioning seat;

and one side of the second positioning seat in the length direction is provided with a second clamping block, the second clamping block is positioned in the radial direction of the positioning groove, and the rack is hinged with a fourth cylinder for driving the second clamping block to move towards the second positioning seat.

Through adopting above-mentioned technical scheme, after placing the work piece on first positioning seat and second positioning seat, start third cylinder and fourth cylinder, radially carry on spacingly to the work piece, can press from both sides the work piece tightly to the alignment is convenient for.

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

1. through the arrangement of the first positioning block and the graduated scale, the distance between the workpiece straightening end and the positioning block can be adjusted through observing the graduated scale, so that the workpiece straightening position is more accurate when the workpiece is straightened, and the effect of improving the workpiece straightening precision is achieved;

2. the first limiting block, the second limiting block, the third limiting block and the fourth limiting block are arranged, so that the effect of limiting the radial direction of the workpiece can be achieved;

3. through the arrangement of the first positioning seat, the second positioning seat, the positioning groove and the filling block, the effects of supporting and limiting the workpiece can be achieved.

Drawings

FIG. 1 is a schematic view showing the overall structure of a correcting apparatus for heat treatment in the related art;

FIG. 2 is a schematic view showing the overall structure of a correcting apparatus for heat treatment in the embodiment of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Description of reference numerals: 1. A frame; 11. a first groove; 12. a second groove; 2. a supporting seat; 21. a hydraulic piston rod; 22. briquetting; 3. a positioning assembly; 31. a first positioning block; 32. a graduated scale; 33. a first screw; 331. a first motor; 34. a first stopper; 35. a second limiting block; 36. a first cylinder; 4. a fixed block; 41. a pointer; 42. a kidney-shaped hole; 43. a limiting bulge; 5. a second screw; 51. a second positioning block; 52. a third limiting block; 53. a fourth limiting block; 54. a second cylinder; 55. a second motor; 6. a first positioning seat; 61. a second positioning seat; 62. positioning a groove; 621. a card slot; 63. filling blocks; 631. edge clamping; 64. a chute; 7. a slide rail; 8. a first clamping block; 81. a third cylinder; 9. a second clamping block; 91. a fourth cylinder; 10. a hydraulic pump; 100. mounting a plate; 1000. and fixing the grooves.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses a straightening device for heat treatment of a workpiece. Referring to fig. 2 and 3, the straightening device for heat treatment of the workpiece comprises a frame 1, wherein a support seat 2 is arranged on the frame 1, a hydraulic piston rod 21 is arranged on one surface, facing the frame 1, of the support seat 2, and a pressing block 22 is arranged at one end, away from the support seat 2, of the hydraulic piston rod 21. A first positioning seat 6 and a second positioning seat 61 which are parallel to each other are arranged on the frame 1, and the pressing block 22 is positioned right above the central lines of the first positioning seat 6 and the second positioning seat 61. When the workpiece is straightened, the workpiece is firstly detected through the lever dial indicator, when the workpiece needs to be straightened, the workpiece is placed on the first positioning seat 6 and the second positioning seat 61, and then the pressing block 22 is driven to descend through the hydraulic piston rod 21 to straighten the workpiece.

Referring to fig. 3, the positioning groove 62 is formed in one surface of each of the first positioning seat 6 and the second positioning seat 61 away from the rack 1, the cross section of the positioning groove 62 may be circular, square or polygonal, and in this embodiment, the cross section of the positioning groove 62 is circular. On the positioning seat and be located the constant head tank 62 and be provided with the filling block 63, the one side that frame 1 was kept away from to the filling block 63 flushes with the one side that frame 1 was kept away from to first constant head tank 6, at the lateral wall of filling block 63 with the contact of first constant head tank 6, the both sides of this lateral wall are provided with card limit 631, offer the draw-in groove 621 of mutually supporting with card limit 631 in the both sides of the curved lateral wall of constant head tank 62. When the workpiece is positioned, when the cross section of the workpiece is circular, the filling block 63 is taken out from the positioning groove 62, and then the workpiece is placed in the positioning groove 62 and positioned. When the cross section of the workpiece is in a polygonal structure, the filling block 63 is arranged in the positioning groove 62, and the plane of the workpiece can be placed on the plane of the filling block 63.

Referring to fig. 3, two slide rails 7 are arranged on the frame 1 along the length direction of the first positioning seat 6 and the second positioning seat 61, sliding grooves 64 are formed in the bottoms of the first positioning seat 6 and the second positioning seat 61, the first positioning seat 6 is slidably clamped on one slide rail 7, and the second positioning seat 61 is slidably clamped on the other slide rail 7. When the work piece of different specifications is fixed a position to needs to when installing first positioning seat 6 and second positioning seat 61 on slide rail 7 and work piece unmatched, the staff can directly dismantle first positioning seat 6 and second positioning seat 61 from frame 1, change with work piece matched first positioning seat 6 and second positioning seat 61 can.

Referring to fig. 2 and 3, third cylinders 81 are disposed at two ends of the first positioning seat 6 in the length direction, that is, two ends of the slide rail 7 in the length direction, and fourth cylinders 91 are disposed at two ends of the second positioning seat 61 in the length direction, that is, two ends of the slide rail 7 in the length direction, wherein a first clamping block 8 is fixed at one end of each of piston rods of the two third cylinders 81 facing the first positioning seat 6, and a second clamping block 9 is fixed at one end of each of piston rods of the two fourth cylinders 91 facing the second positioning seat 61. The bottom surfaces of the two first clamping blocks 8 are flush with the upper surface of the first positioning seat 6, and the bottom surfaces of the two second clamping blocks 9 are flush with the upper surface of the second positioning seat 61. After the workpiece is placed on the first positioning seat 6 and the second positioning seat 61, the workpiece is radially limited and clamped through the two first clamping blocks 8 and the two second clamping blocks 9. When the first positioning seat 6 and the second positioning seat 61 need to be replaced, the third cylinder 81 and the fourth cylinder 91 are lifted away from the rack 1 and then replaced.

Referring to fig. 2 and 3, one side of the first positioning seat 6 away from the second positioning seat 61 is provided with the positioning assembly 3, the positioning assembly 3 includes a first positioning block 31 and a scale 32, a first screw 33 is rotatably provided on the frame 1, a first groove 11 is provided on the frame 1, the first screw 33 is rotatably provided in the first groove 11, a first motor 331 is provided at an end portion of the first screw 33 on the frame 1, the first positioning block 31 is threadedly sleeved on the first screw 33, the first motor 331 is started, an output shaft of the first motor 331 is rotated to drive the first screw 33 to rotate, thereby driving the first positioning block 31 to move along an axial direction of the first screw 33, the scale 32 is axially provided along the first screw 33, and a moving distance of the first positioning block 31 can be read through the scale 32. A first limiting block 34 is vertically and fixedly arranged at one end of the first positioning block 31 in the length direction, a second limiting block 35 parallel to the first limiting block 34 is arranged on the first positioning block 31 in a sliding manner along the length direction, a first air cylinder 36 is arranged on the first positioning block 31 at a position close to the second limiting block 35, and the end part of a piston rod of the first air cylinder 36 is connected with the second limiting block 35. The piston rod of the first cylinder 36 can drive the second stopper 35 to move toward or away from the first stopper 34.

Referring to fig. 3, a fixed block 4 is disposed on the first positioning block 31, the fixed block 4 is located right above the scale 32, a pointer 41 is disposed on the fixed block 4, a kidney-shaped hole 42 is formed in the fixed block 4, the pointer 41 is inserted into the kidney-shaped hole 42, and a limiting protrusion 43 is disposed on the pointer 41. The longest distance between the two position-limiting protrusions 43 is 0.8 times the length of the kidney-shaped hole 42, and the longest distance between the two position-limiting protrusions 43 is 1.3 times the width of the kidney-shaped hole 42.

Referring to fig. 4, a second screw 5 is rotatably disposed on the frame 1, a second groove 12 is formed in the frame 1, the second screw 5 is rotatably disposed in the second groove 12, a second motor 55 is connected to the end portion of the second screw 5 on the frame 1, a second positioning block 51 parallel to the first positioning block 31 is threaded on the second screw 5, a third limiting block 52 is fixedly disposed at one end of the second positioning block 51 close to the scale 32, a fourth limiting block 53 parallel to the third limiting block 52 is slidably disposed on the second positioning block 51 along the length direction of the second positioning block 51, a second cylinder 54 is disposed at a position of the second positioning block 51 close to the fourth limiting block 53, and the end portion of a piston rod of the second cylinder 54 is connected to the fourth limiting block 53. The axial direction of the workpiece can be positioned through the first positioning block 31 and the second positioning block 51, and the circumferential direction of the workpiece is positioned through the first limiting block 34, the second limiting block 35, the third limiting block 52 and the fourth limiting block 53, so that the workpiece can be fixed more reliably.

The implementation principle of the straightening device for workpiece heat treatment in the embodiment of the application is as follows: the workpiece to be straightened is placed on the first positioning seat 6 and the second positioning seat 61. First, the first motor 331 is turned on, and the first screw 33 rotates to drive the first positioning block 31 to move in the direction of the workpiece, so that the end of the workpiece and the first positioning block 31 are abutted against each other. The first air cylinder 36 is started, the piston rod of the first air cylinder 36 drives the second limiting block 35 to move towards the workpiece, and therefore the workpiece can be clamped in the radial direction through the first limiting block 34 and the second limiting block 35.

Then, the second motor 55 is started, the second screw 5 rotates the second positioning block 51 to move towards the workpiece, and the end of the workpiece far away from the first positioning block 31 is abutted against the second positioning block 51. The second air cylinder 54 is started, the piston rod of the second air cylinder 54 drives the fourth limiting block 53 to move towards the workpiece, and the workpiece can be clamped in the radial direction through the third limiting block 52 and the fourth limiting block 53.

And thirdly, the third cylinder 81 and the fourth cylinder 91 are started, so that the radial direction of the workpiece can be limited through the two first clamping blocks 8 and the two second clamping blocks 9, and the workpiece can be clamped.

And finally, the hydraulic piston rod 21 drives the pressing block 22 to press down to straighten the workpiece.

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 workpiece is coalignment for thermal treatment, includes frame (1), be provided with supporting seat (2) in frame (1), be provided with hydraulic piston rod (21), its characterized in that on supporting seat (2): a pressing block (22) is arranged at one end of the hydraulic piston rod (21) facing the rack (1), and a positioning component (3) is arranged at the position, close to the pressing block (22), of the rack (1);

locating component (3) include first locating piece (31) and scale (32), first locating piece (31) slide and set up in frame (1), scale (32) are fixed in on frame (1), and set up along the moving direction of first locating piece (31).

2. The straightening apparatus for heat treatment of the workpiece as claimed in claim 1, wherein: the rack (1) is provided with a first screw rod (33) in a rotating mode, the first screw rod (33) is sleeved with a first positioning block (31) in a threaded mode, and a first limiting block (34) is vertically and fixedly arranged at one end of the first positioning block (31) in the length direction.

3. The straightening apparatus for heat treatment of the workpiece as claimed in claim 2, wherein: first locating piece (31) slides along its length direction and is provided with second stopper (35), second stopper (35) and first stopper (34) parallel arrangement each other, the position that is close to second stopper (35) on first locating piece (31) is equipped with first cylinder (36), the tip and the second stopper (35) of the piston rod of first cylinder (36) are connected.

4. The straightening apparatus for heat treatment of the workpiece as claimed in claim 3, wherein: the scale (32) is close to first locating piece (31) and sets up, be provided with fixed block (4) on first locating piece (31), be provided with pointer (41) on fixed block (4), waist type hole (42) have been seted up on fixed block (4), pointer (41) are inserted and are located waist type hole (42) in, be provided with spacing arch (43) on pointer (41).

5. The straightening apparatus for heat treatment of the workpiece as claimed in claim 3, wherein: frame (1) rotates and is provided with second screw rod (5), second locating piece (51) are worn to be equipped with by the screw thread on second screw rod (5), second locating piece (51) and first locating piece (31) parallel arrangement, the fixed third stopper (52) that is provided with of one end that just is close to scale (32) on second locating piece (51), second locating piece (51) slide along its length direction and are provided with fourth stopper (53) parallel with third stopper (52), the position that is close to fourth stopper (53) on second locating piece (51) is provided with second cylinder (54), the tip and the fourth stopper (53) of the piston rod of second cylinder (54) are connected.

6. The straightening apparatus for heat treatment of the workpiece as claimed in claim 5, wherein: a first positioning seat (6) and a second positioning seat (61) are arranged on the rack (1) and between the first positioning block (31) and the second positioning block (51), and the first positioning seat (6) and the second positioning seat (61) are both arranged in parallel with the first positioning block (31);

locating slot (62) have all been seted up to the one side that frame (1) was kept away from to first locating seat (6) and second locating seat (61), just be located locating slot (62) and be provided with filling block (63) on first locating seat (6) and second locating seat (61), the one side that frame (1) was kept away from to filling block (63) and the one side that frame (1) was kept away from to the locating seat flush.

7. The straightening apparatus for heat treatment of the workpiece as claimed in claim 6, wherein: two mutually parallel slide rails (7) are arranged on the rack (1) along the length direction of the rack, and the first positioning seat (6) and the second positioning seat (61) are slidably sleeved on the slide rails (7).

8. The straightening apparatus for heat treatment of the workpiece as claimed in claim 6, wherein: a first clamping block (8) is arranged on one side of the first positioning seat (6) in the length direction, the first clamping block (8) is located in the radial direction of the positioning groove (62), and a third air cylinder (81) for driving the first clamping block (8) to move towards the first positioning seat (6) is hinged to the rack (1);

one side of the length direction of the second positioning seat (61) is provided with a second clamping block (9), the second clamping block (9) is located in the radial direction of the positioning groove (62), and a fourth cylinder (91) for driving the second clamping block (9) to move towards the direction of the second positioning seat (61) is hinged to the rack (1).