Welding stress removing equipment for bending machine rack

Abstract

The utility model relates to the technical field of welding stress removing equipment, and discloses a bending machine rack welding stress removing device which comprises an annealing furnace and a rack, one side of the annealing furnace is provided with a base, the top of the base is provided with a transverse moving mechanism, the top of the transverse moving mechanism is vertically provided with a hydraulic cylinder, and the hydraulic cylinder is connected with the annealing furnace. A fixing plate is transversely and fixedly arranged at the upper end of a piston rod of the hydraulic cylinder, two supporting rods are symmetrically and fixedly arranged on one side of the fixing plate, and the rack is placed on the rod walls of the two supporting rods; limiting stop levers are adjustably arranged on the rod walls of the two supporting rods, and the number of the limiting stop levers on each supporting rod is two. According to the utility model, the rack can be directly put into the annealing furnace to be subjected to welding stress removal treatment, so that the surface stress of the rack is quickly removed, meanwhile, the function of automatically putting the rack can be realized, and the manual operation intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding stress removal equipment, in particular to a welding stress removal equipment for a bending machine frame. Background Art

[0002] At present, due to the welding stress in the weld area after welding, the bending machine frame will be deformed and residual stress will exist after welding. The common methods to remove welding stress are natural aging, vibration aging, ultrasonic stress relief and annealing stress relief.

[0003] Among them, the patent number is CN207330988U, which discloses a device for removing welding stress of a cylinder barrel, including a support mechanism and an induction heating mechanism, wherein the support mechanism includes a support frame and a cylinder barrel clamp installed on the top of the support frame, and the support frame also includes a guide rail, and a roller is provided at the bottom of the base, and the base is slidably installed on the guide rail through the roller. By adjusting the position of the base on the guide rail, the horizontal position of the cylinder barrel can be adjusted.

[0004] In the above scheme, the welding stress is removed by an induction heating mechanism. However, for a large bending machine frame, if the induction heating mechanism is directly used to remove the welding stress, the bending machine frame needs to remove more welding stress areas, which will greatly reduce the efficiency of removing the welding stress. Therefore, a device for removing welding stress of a bending machine frame is proposed. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that there are many areas of the bending machine frame that need to remove welding stress, which will greatly reduce the efficiency of removing welding stress, and proposes a bending machine frame welding stress removal device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A bending machine frame welding stress relief device, comprising an annealing furnace and a frame, wherein a base is provided on one side of the annealing furnace, a lateral movement mechanism is provided on the top of the base, a hydraulic cylinder is vertically installed on the top of the lateral movement mechanism, a fixing plate is transversely fixed on the upper end of the piston rod of the hydraulic cylinder, two support rods are symmetrically fixed on one side of the fixing plate, and the frame is placed on the rod walls of the two support rods;

[0008] The rod walls of the two support rods can be adjusted to be provided with limit stop rods, and the number of the limit stop rods on each support rod is two.

[0009] Preferably, the transverse movement mechanism includes a motor, a screw and a threaded seat, a slide groove is transversely opened on the top of the base, the threaded seat is arranged inside the slide groove for transverse sliding, the screw is arranged inside the slide groove for transverse rotation, the threaded seat is threaded on the rod wall of the screw, the motor is fixedly arranged on the side wall of the base, and the output end of the motor is fixedly connected to one end of the screw.

[0010] Preferably, an L-shaped support plate is fixedly provided on the top of the threaded seat, and the bottom of the hydraulic cylinder is fixedly installed on one side of the top of the L-shaped support plate.

[0011] Preferably, a plurality of evenly distributed universal ball bearings are fixedly provided on both sides of the L-shaped support plate, and the universal ball bearings are rollingly arranged on the top of the base.

[0012] Preferably, the movable sleeve of the rod wall of the support rod is provided with a fixed sleeve, the lower end of the limit stop rod is fixedly arranged on the top of the fixed sleeve, the bottom thread of the fixed sleeve is provided with a fixing bolt, and the end of the fixing bolt is set against the rod wall of the support rod.

[0013] Preferably, a crossbeam is provided inside the frame, and the crossbeam of the frame is placed on the rod wall of the supporting rod.

[0014] Preferably, the frame can be pushed into the interior of the annealing furnace by a transverse movement mechanism, and the frame can be placed on the ground by a hydraulic cylinder.

[0015] Preferably, the hydraulic cylinder and the motor are both controlled by an independent control system, and the motor is a servo motor.

[0016] Preferably, the support rod is a rod with a rectangular end face, and the fixing sleeve is a rectangular sleeve.

[0017] Compared with the prior art, the utility model provides a bending machine frame welding stress relief device, which has the following beneficial effects:

[0018] 1. The bending machine frame de-welding stress equipment is equipped with an annealing furnace, a base, a hydraulic cylinder, a fixed plate, a support rod and a limit stop rod. The support rod can support the frame, and then the limit stop rod can stably support the frame. Finally, the hydraulic cylinder can lift the frame to a certain height so that the frame is aligned with the annealing furnace.

[0019] 2. The bending machine frame de-welding stress equipment is equipped with a motor, a screw and a threaded seat inside the base. The motor can drive the screw to rotate, and the screw can make the threaded seat move horizontally inside the base, so that the hydraulic cylinder can move together with the supported frame, so that the frame can be placed inside the annealing furnace.

[0020] 3. The bending machine frame de-welding stress equipment is provided with a fixing sleeve and fixing bolts. After the support rod is inserted into the interior of the frame, the position of the fixing sleeve on the support rod is adjusted so that the limit stop rod clamps the crossbeam of the frame, and then the position of the fixing sleeve is fixed by the fixing bolts, so that the frame can be stably supported.

[0021] The parts not involved in the device are the same as the prior art or can be implemented by using the prior art. The utility model can directly put the frame into the annealing furnace for desoldering stress treatment, so that the surface stress of the frame can be quickly removed. At the same time, the function of automatically placing the frame can be realized, reducing the intensity of manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a bending machine frame welding stress relief device proposed by the utility model;

[0023] Figure 2 for Figure 1 Side view of the mid-frame and support bar;

[0024] Figure 3 for Figure 1 Schematic diagram of the structure of the middle support rod;

[0025] Figure 4 for Figure 1 Side view of the middle L-shaped support plate.

[0026] In the figure: 1. Annealing furnace; 2. Frame; 3. Base; 4. Hydraulic cylinder; 5. Fixed plate; 6. Support rod; 7. Limit stop rod; 8. Motor; 9. Screw; 10. Threaded seat; 11. L-shaped support plate; 12. Universal ball bearing; 13. Fixed sleeve; 14. Fixed bolt. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Example 1

[0029] Reference Figure 1-2A bending machine frame welding stress removal device comprises an annealing furnace 1 and a frame 2. A base 3 is provided on one side of the annealing furnace 1. A lateral movement mechanism is provided on the top of the base 3. A hydraulic cylinder 4 is vertically installed on the top of the lateral movement mechanism. The lateral movement mechanism comprises a motor 8, a screw 9 and a threaded seat 10. A slide groove is horizontally opened on the top of the base 3. The threaded seat 10 is horizontally slidably arranged inside the slide groove. The screw 9 is horizontally rotated inside the slide groove. The threaded seat 10 is threadedly arranged on the rod wall of the screw 9. The motor 8 is fixedly arranged on the side wall of the base 3, and the output end of the motor 8 is fixedly connected to one end of the screw 9. The top of the threaded seat 10 is fixedly arranged. There is an L-shaped support plate 11, the bottom of the hydraulic cylinder 4 is fixedly installed on the top side of the L-shaped support plate 11, and a plurality of evenly distributed universal balls 12 are fixed on both sides of the L-shaped support plate 11, and the universal balls 12 are rollingly set on the top of the base 3. A fixed plate 5 is transversely fixed on the upper end of the piston rod of the hydraulic cylinder 4, and two support rods 6 are symmetrically fixed on one side of the fixed plate 5. The frame 2 is placed on the rod walls of the two support rods 6, and a crossbeam is arranged inside the frame 2. The crossbeam of the frame 2 is placed on the rod wall of the support rod 6. The frame 2 can be pushed into the interior of the annealing furnace 1 through a transverse movement mechanism, and the frame 2 can be placed on the ground through the hydraulic cylinder 4.

[0030] Example 2

[0031] Reference Figure 1-4 The rod walls of the two support rods 6 are adjustable and provided with a limit stop rod 7. The number of the limit stop rods 7 on each support rod 6 is two. The rod wall of the support rod 6 is movably sleeved with a fixed sleeve 13. The support rod 6 adopts a rod with a rectangular end face, and the fixed sleeve 13 adopts a rectangular sleeve. The square structure can prevent the fixed sleeve 13 from rotating. The lower end of the limit stop rod 7 is fixedly set on the top of the fixed sleeve 13, and the bottom thread of the fixed sleeve 13 is provided with a fixing bolt 14, and the end of the fixing bolt 14 is set against the rod wall of the support rod 6. After the support rod 6 is inserted into the interior of the frame 2, the position of the fixing sleeve 13 on the support rod 6 is adjusted so that the limit stop rod 7 clamps the crossbeam of the frame 2, and then the position of the fixing sleeve 13 is fixed by the fixing bolt 14, so that the frame 2 can be stably supported.

[0032] Example 3

[0033] Reference Figure 1 The hydraulic cylinder 4 and the motor 8 are both controlled by an independent control system, and the motor 8 is a servo motor.

[0034] In the utility model, when in use, the staff first controls the hydraulic cylinder 4 to retract, and then controls the motor 8 to work, the motor 8 can drive the screw 9 to rotate, the screw 9 can make the threaded seat 10 move laterally inside the base 3, so that the support rod 6 is inserted into the inside of the frame 2, and then loosen the fixing bolt 14 to adjust the position of the fixing sleeve 13 on the support rod 6, and then make the limit stop rod 7 contact with the crossbeam of the frame 2, so that the position of the frame 2 on the support rod 6 is fixed, and finally control the hydraulic cylinder 4 to extend, the hydraulic cylinder 4 can lift the frame 2 upward, and then the motor 8 is operated to put the frame 2 into the annealing furnace 2 to remove stress.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bending machine frame welding stress relief device, comprising an annealing furnace (1) and a frame (2), characterized in that: A base (3) is provided on one side of the annealing furnace (1), a transverse movement mechanism is provided on the top of the base (3), a hydraulic cylinder (4) is vertically installed on the top of the transverse movement mechanism, a fixing plate (5) is transversely fixed on the upper end of the piston rod of the hydraulic cylinder (4), two supporting rods (6) are symmetrically fixed on one side of the fixing plate (5), and the frame (2) is placed on the rod walls of the two supporting rods (6); The rod walls of the two support rods (6) are both adjustable and provided with position limiting blocking rods (7), and the number of the position limiting blocking rods (7) on each support rod (6) is two.

2. The device for removing welding stress of a bending machine frame according to claim 1, characterized in that: The transverse movement mechanism comprises a motor (8), a screw rod (9) and a threaded seat (10); a slide groove is transversely provided on the top of the base (3); the threaded seat (10) is arranged inside the slide groove in a transverse sliding manner; the screw rod (9) is arranged inside the slide groove in a transverse rotating manner; the threaded seat (10) is threadedly arranged on the rod wall of the screw rod (9); the motor (8) is fixedly arranged on the side wall of the base (3), and the output end of the motor (8) is fixedly connected to one end of the screw rod (9).

3. The device for removing welding stress of a bending machine frame according to claim 2, characterized in that: An L-shaped support plate (11) is fixedly provided on the top of the threaded seat (10), and the bottom of the hydraulic cylinder (4) is fixedly mounted on one side of the top of the L-shaped support plate (11).

4. The device for removing welding stress of a bending machine frame according to claim 3, characterized in that: A plurality of evenly distributed universal balls (12) are fixedly disposed on both sides of the L-shaped support plate (11), and the universal balls (12) are rollingly disposed on the top of the base (3).

5. The device for removing welding stress of a bending machine frame according to claim 1, characterized in that: The rod wall movable sleeve of the support rod (6) is provided with a fixed sleeve (13), the lower end of the limit stop rod (7) is fixedly arranged on the top of the fixed sleeve (13), the bottom of the fixed sleeve (13) is threadedly provided with a fixing bolt (14), and the end of the fixing bolt (14) is arranged to abut against the rod wall of the support rod (6).

6. The device for removing welding stress of a bending machine frame according to claim 1, characterized in that: A crossbeam is arranged inside the frame (2), and the crossbeam of the frame (2) is placed on the rod wall of the supporting rod (6).

7. The device for removing welding stress of a bending machine frame according to claim 1, characterized in that: The frame (2) can be pushed into the interior of the annealing furnace (1) via a transverse movement mechanism, and the frame (2) can be placed on the ground via a hydraulic cylinder (4).

8. The device for removing welding stress of a bending machine frame according to claim 2, characterized in that: The hydraulic cylinder (4) and the motor (8) are both controlled by an independent control system, and the motor (8) is a servo motor.

9. The device for removing welding stress of a bending machine frame according to claim 5, characterized in that: The supporting rod (6) is a rod with a rectangular end surface, and the fixing sleeve (13) is a rectangular sleeve.

Images