Cylinder body upsetting device of high-pressure hydraulic cylinder

Abstract

The invention relates to the technical field of workpiece upsetting, and discloses a cylinder block upsetting device of a high-pressure hydraulic cylinder, the cylinder block upsetting device comprises a machine body and a cylinder block mold, a placing groove is formed in the machine body, fixing blocks are fixedly connected to the left side and the right side of the placing groove, and hydraulic cylinders are fixedly connected to the interiors of the fixing blocks; the driving end of the hydraulic cylinder is fixedly connected with a pushing plate, the top of the pushing plate is rotatably connected with a rotating ring, the close sides of the two fixing blocks are fixedly connected with supporting plates, the tops of the supporting plates are rotatably connected with rotating plates, and the far sides of the two rotating plates are fixedly connected with transmission plates. According to the invention, the cylinder body mold and the fixing plate are matched and can be quickly mounted and fixed, so that the cylinder body mold can be quickly replaced under different production requirements, the production flexibility is improved, and when cylinder bodies with different specifications need to be produced, corresponding molds can be quickly replaced for production, and long-time equipment adjustment is not needed.

Description

Technical Field

[0001] The invention relates to the technical field of workpiece upsetting, in particular to a cylinder body upsetting device of a high-pressure hydraulic cylinder. Background Art

[0002] Upsetting is a metal processing technology. It is a forging process that reduces the height of the blank and increases the cross-sectional area. It is often used to forge blanks for various shaft parts. During the upsetting process, pressure is applied to the metal material to cause the material to undergo plastic deformation under the action of the mold or equipment, so as to achieve the purpose of changing the shape and size of the material, thereby meeting the requirements of subsequent processing or use.

[0003] After searching, the Chinese announcement number is: CN213496258U, which discloses an upsetting device, which includes a placement seat, a pressing piece installed on the upper part of the placement seat, and a working platform installed inside the placement seat. The working platform is provided with a clamping piece, which includes a first clamping piece installed on the upper part of the working platform, and a second clamping piece installed on the working platform and located on one side of the first clamping piece. The first clamping piece and the second clamping piece are provided with a placement groove for placing the workpiece on the opposite side walls. This application has the effect of improving the upsetting yield of the workpiece.

[0004] The above technical solution mentions that “by arranging the first clamping member and the second clamping member, the workpiece can be clamped, so that when the pressing member presses the workpiece downward, the workpiece remains stable, the occurrence of bending is reduced, and the accuracy of the workpiece during upsetting is improved; by arranging a connecting member between the first piston rod and the sliding rod, the position of the first cylinder is higher than the position of the sliding rod, and the first cylinder is outside the pressing member, so that it is convenient to inspect and repair the first cylinder; by arranging a support rod, the first cylinder can rotate relative to the mounting vertical plate, and when the rotating member rotates relative to the supporting portion When the first cylinder is moved, the rotating member can drive the first cylinder to move through the second hinge seat, and the first cylinder can rotate relative to the mounting vertical plate. However, in the prior art, some cylinder upsetting devices often require complicated and time-consuming operations to install the cylinder mold when installing the mold. For example, a large number of bolts and nuts are required for connection and fixation, which is not only cumbersome to operate, but also takes a lot of time and manpower for each installation and disassembly, which slows down the rhythm of the entire production process and reduces the operation efficiency of the device. Therefore, a cylinder upsetting device of a high-pressure hydraulic cylinder is proposed to solve the above problems. Summary of the invention

[0005] In order to make up for the above shortcomings, the present invention provides a cylinder upsetting device for a high-pressure hydraulic cylinder, aiming to improve the problem in the prior art that some cylinder upsetting devices are difficult to replace molds, affecting production efficiency.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A cylinder upsetting device for a high-pressure hydraulic cylinder comprises a machine body and a cylinder mold, a placement groove is provided inside the machine body, a fixed block is fixedly connected to the left and right sides of the placement groove, a hydraulic cylinder is fixedly connected to the inside of the fixed block, a push plate is fixedly connected to the driving end of the hydraulic cylinder, a rotating ring is rotatably connected to the top of the pushing plate, a support plate is fixedly connected to the adjacent sides of the two fixed blocks, a rotating plate is rotatably connected to the top of the supporting plate, a transmission plate is fixedly connected to the distant sides of the two rotating plates, a rotating block is rotatably connected to the bottom of the rotating plate, a pressing plate is fixedly connected to the bottom end of the rotating block, a fixed plate is fixedly connected to the outside of the cylinder mold, and a demoulding component for a workpiece after upsetting is fixedly connected to the inside of the machine body; As a further description of the above technical solution: The demoulding assembly includes a cylinder, a chamber is opened inside the body, the left side of the cylinder is fixedly connected to the left inner wall of the chamber, the driving end of the cylinder is fixedly connected to a force-bearing plate, the right side of the force-bearing plate is fixedly connected to a U-shaped plate, the inner wall of the U-shaped plate is slidably connected to a sliding block, the top of the sliding block is fixedly connected to a threaded column, and the top of the threaded column is threadedly connected to a lifting plate; As a further description of the above technical solution: A pressure device is fixedly connected to the top inner wall of the body, a mounting plate is fixedly connected to the driving end of the pressure device, guide plates are fixedly connected to the four inner corners of the body, and the outer wall of the mounting plate is slidably connected to the adjacent side of the four guide plates; As a further description of the above technical solution: The outer wall of the push plate is slidably connected to the inner wall of the fixed block, and the top of the push plate is slidably connected to the inside of the transmission plate; As a further description of the above technical solution: A slide groove is provided inside the transmission plate, and the outer wall of the rotating ring is slidably connected to the inner wall of the slide groove; As a further description of the above technical solution: The bottom sides of the plurality of support plates are fixedly connected to the bottom inner wall of the placement groove, and the bottom sides of the two pressing plates are in contact with the left and right sides of the top of the fixing plate; As a further description of the above technical solution: The outer wall of the U-shaped plate is slidably connected to the inner wall of the chamber, the bottom end of the force-bearing plate is fixedly connected to a T-shaped slider, the bottom inner wall of the chamber is provided with a T-shaped slot, and the outer wall of the T-shaped slider is slidably connected to the inner wall of the T-shaped slot; As a further description of the above technical solution: The outer wall of the sliding block is slidably connected to the inside of the machine body, the front and rear sides of the outside of the sliding block are fixedly connected with sliding rods, the front and rear sides of the inside of the U-shaped plate are provided with oblique sliding holes, the outer wall of the sliding rod is slidably connected to the inner wall of the oblique sliding hole, and the outer wall of the lifting plate is slidably connected to the inner wall of the cylinder mold.

[0007] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, when it is necessary to install the cylinder mold, the hydraulic cylinder generates power to drive the push plate to move upward, the push plate slides in the slide groove of the transmission plate through the rotating ring, the transmission plate drives the rotating plate to rotate, and the rotating plate drives the pressing plate to press and fix the fixed plate through the rotating block, thereby realizing the installation of the cylinder mold. The cylinder mold and the fixed plate can be quickly installed and fixed in cooperation, so that the cylinder mold can be quickly replaced under different production requirements, thereby improving the flexibility of production. When it is necessary to produce cylinders of different specifications, the corresponding mold can be quickly replaced and put into production without long-term equipment adjustment.

[0008] 2. In the present invention, after the workpiece is upsetting, the cylinder acts as a power source to drive the force plate to move, and the force plate drives the U-shaped plate. The U-shaped plate converts horizontal power into vertical power through the oblique sliding hole and transmits it to the sliding rod, thereby moving the sliding block upward, and finally driving the lifting plate through the threaded column to eject the workpiece from the cylinder mold. The entire demoulding process is carried out automatically without manual intervention, which greatly shortens the demoulding time and improves the overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A three-dimensional diagram of a cylinder body upsetting device of a high-pressure hydraulic cylinder proposed by the present invention; Figure 2 A structural schematic diagram of a cylinder body mold of a cylinder body upsetting device of a high-pressure hydraulic cylinder proposed by the present invention; Figure 3 for Figure 2 The enlarged view of point A in the middle; Figure 4 The present invention is a schematic structural diagram of a U-shaped plate of a cylinder body upsetting device of a high-pressure hydraulic cylinder.

[0010] Legend: 1. Machine body; 2. Cylinder mold; 3. Fixed plate; 4. Fixed block; 5. Hydraulic cylinder; 6. Push plate; 7. Rotating ring; 8. Support plate; 9. Rotating plate; 10. Transmission plate; 11. Rotating block; 12. Pressing plate; 13. Chamber; 14. Cylinder; 15. U-shaped plate; 16. T-shaped slider; 17. T-shaped slide groove; 18. Sliding block; 19. Sliding rod; 20. Threaded column; 21. Lifting plate; 22. Guide plate; 23. Pressurizing device; 24. Mounting plate. DETAILED DESCRIPTION

[0011] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0012] Reference Figure 1 , Figure 2 and Figure 3 The present embodiment exemplarily shows a cylinder upsetting device of a high-pressure hydraulic cylinder, comprising a machine body 1 and a cylinder mold 2. The machine body 1 provides a structural frame and a containing space for the entire device. A fixing plate 3 is fixedly connected to the outside of the cylinder mold 2. The cylinder mold 2 is a forming component for cylinder upsetting, and can be quickly installed and fixed in cooperation with the fixing plate 3. A placement groove is provided inside the machine body 1. A fixing block 4 is fixedly connected to the left and right sides of the placement groove. A hydraulic cylinder 5 is fixedly connected to the inside of the fixing block 4. The fixing block 4 plays a role in firmly supporting the hydraulic cylinder 5. A pushing plate 6 is fixedly connected to the driving end of the hydraulic cylinder 5. The hydraulic cylinder 5 is the power source for moving the pushing plate 6. The outer wall of the pushing plate 6 is slidably connected to the inner wall of the fixing block 4. The top of the pushing plate 6 is rotatably connected to a rotating ring 7. The adjacent sides of the two fixing blocks 4 are fixedly connected to support plates 8. The bottom sides of the multiple support plates 8 are fixedly connected to the bottom inner wall of the placement groove. The top of the support plate 8 is rotatably connected to a rotating plate 9. The support plate 8 provides a rotating fulcrum for the rotating plate 9. The two rotating plates 9 The far side of each of the two plates is fixedly connected with a transmission plate 10, and the top of the push plate 6 is slidably connected to the inside of the transmission plate 10. The push plate 6 converts the power of the hydraulic cylinder 5 into the rotational power of the transmission plate 10. A slide groove is provided inside the transmission plate 10, and the outer wall of the rotating ring 7 is slidably connected to the inner wall of the slide groove. The sliding of the rotating ring 7 in the slide groove enables the upward movement of the push plate 6 to be converted into the rotation of the transmission plate 10, ensuring the smooth movement conversion in the power transmission process. The bottom of the rotating plate 9 is rotatably connected with a rotating block 11, and the rotating plate 9 converts the rotation of the transmission plate 10 into the rotational power of the rotating block 11. The bottom end of the rotating block 11 is fixedly connected with a pressing plate 12, and the bottom sides of the two pressing plates 12 are in contact with the left and right sides of the top of the fixed plate 3, ensuring the effective transmission of power. The rotatable connection mode of the rotating block 11 ensures the flexibility of power transmission, so that the pressing plate 12 can effectively press and fix the fixed plate 3, ensuring the stable installation of the cylinder mold 2, playing a key role in the rapid installation and fixation of the cylinder mold 2, and improving the production efficiency.

[0013] The top inner wall of the body 1 is fixedly connected with a pressurizing device 23, and the driving end of the pressurizing device 23 is fixedly connected with a mounting plate 24. The four inner corners of the body 1 are fixedly connected with guide plates 22, and the outer wall of the mounting plate 24 is slidably connected to the adjacent side of the four guide plates 22. The pressurizing device 23 provides a pressure source for the mounting plate 24. By driving the mounting plate 24 to pressurize the workpiece, the power requirement of the cylinder upsetting operation is guaranteed. Its stable pressure output helps to improve the accuracy of upsetting, thereby improving product quality. It is a key power guarantee component for the cylinder upsetting operation. The mounting plate 24 can be installed with different pressurizing parts, and apply pressure to the workpiece under the drive of the pressurizing device 23. Its sliding connection with the guide plate 22 ensures the verticality and uniformity of the pressure application, ensures the stability of the workpiece upsetting process, improves the upsetting quality, and also protects other parts of the device from the influence of uneven pressure.

[0014] Reference Figure 1 , Figure 2 and Figure 4 A demoulding assembly for the workpiece after upsetting is fixedly connected inside the machine body 1. The demoulding assembly includes a cylinder 14. A chamber 13 is opened inside the machine body 1. The left side of the cylinder 14 is fixedly connected to the left inner wall of the chamber 13. The chamber 13 provides installation space for the components of the demoulding assembly. The driving end of the cylinder 14 is fixedly connected with a force-bearing plate. The cylinder 14 is the power source of the demoulding assembly. Its stable power output drives the force-bearing plate to move. The right side of the force-bearing plate is fixedly connected with a U-shaped plate 15. The outer wall of the U-shaped plate 15 is slidably connected to the inner wall of the chamber 13. The bottom end of the force-bearing plate is fixedly connected with a T-shaped slider 16. The bottom inner wall of the chamber 13 is provided with a T-shaped slide groove 17. The outer wall of the T-shaped slider 16 is slidably connected to the inner wall of the T-shaped slide groove 17. The T-shaped slider 16 slides in the T-shaped slide groove 17 of the chamber 13 to prevent the force-bearing plate from deflecting during movement, ensure the accuracy of power transmission, and improve the reliability of the demoulding assembly. The inner wall of the U-shaped plate 15 is slidably connected with a sliding block 18. The outer wall of the sliding block 18 is slidably connected to the inside of the machine body 1. The outer wall of the sliding block 18 The front and rear sides of the part are fixedly connected with sliding rods 19, and the front and rear sides of the U-shaped plate 15 are provided with oblique sliding holes. The outer wall of the sliding rod 19 is slidably connected to the inner wall of the oblique sliding hole. The U-shaped plate 15 uses its internal oblique sliding hole to convert the horizontal power of the force-bearing plate into the vertical power of the sliding rod 19. The top of the sliding block 18 is fixedly connected with a threaded column 20. The sliding block 18 converts the vertical movement of the sliding rod 19 into the vertical movement of the lifting plate 21. The top of the threaded column 20 is threadedly connected with the lifting plate 21. The outer wall of the lifting plate 21 is slidably connected to the inner wall of the cylinder mold 2. The threaded column 20 stably transmits the vertical movement of the sliding block 18 to the lifting plate 21, so that the lifting plate 21 can effectively eject the upsetting workpiece from the cylinder mold 2, thereby improving the efficiency and quality of demolding.

[0015] When the cylinder body upsetting device of the high-pressure hydraulic cylinder of the present embodiment is used to perform cylinder body upsetting of the high-pressure hydraulic cylinder, the hydraulic cylinder 5 in the fixed block 4 is opened to generate power to drive the push plate 6 to move upward, so that the upward movement of the push plate 6 and the sliding of the rotating ring 7 in the slide groove drive the transmission plate 10 to rotate around the top of the support plate 8, so that the rotation of the transmission plate 10 drives the rotating plate 9 to rotate, and the rotation of the rotating plate 9 and the rotating block 11 can be rotated at its bottom to drive the pressing plate 12 to press and fix the fixed plate 3, thereby realizing the installation and fixation of the cylinder mold 2. The rapid installation of the cylinder mold 2 can quickly replace other cylinder molds 2, thereby improving the operation efficiency of the device; When the upsetting of the workpiece is completed, the cylinder 14 is turned on to generate power to drive the force plate to move to the right, so that the force plate moves to the right and drives the U-shaped plate 15 to move to the right, so that the movement of the U-shaped plate 15 to the right drives the inclined sliding hole to squeeze the sliding rod 19 and move it upward, and the upward movement of the sliding rod 19 drives the sliding block 18 to move upward, so that the upward movement of the sliding block 18 and the connection with the threaded column 20 drive the lifting plate 21 to move upward, so that the lifting plate 21 moves upward to eject the upset workpiece from the cylinder mold 2, thereby realizing automatic demolding of the workpiece.

[0016] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cylinder body upsetting device for a high-pressure hydraulic cylinder, comprising a body (1) and a cylinder body mold (2), characterized in that: The machine body (1) is provided with a placement groove inside, and the left and right sides of the placement groove are fixedly connected with a fixed block (4), the inside of the fixed block (4) is fixedly connected with a hydraulic cylinder (5), the driving end of the hydraulic cylinder (5) is fixedly connected with a push plate (6), the top of the push plate (6) is rotatably connected with a rotating ring (7), the adjacent sides of the two fixed blocks (4) are fixedly connected with a support plate (8), the top of the support plate (8) is rotatably connected with a rotating plate (9), the distant sides of the two rotating plates (9) are fixedly connected with a transmission plate (10), the bottom of the rotating plate (9) is rotatably connected with a rotating block (11), the bottom end of the rotating block (11) is fixedly connected with a pressing plate (12), the outside of the cylinder mold (2) is fixedly connected with a fixed plate (3), and the inside of the machine body (1) is fixedly connected with a demoulding component for a workpiece after upsetting.

2. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 1, characterized in that: The demoulding assembly comprises a cylinder (14), a chamber (13) is provided inside the body (1), the left side of the cylinder (14) is fixedly connected to the left inner wall of the chamber (13), the driving end of the cylinder (14) is fixedly connected to a force-bearing plate, the right side of the force-bearing plate is fixedly connected to a U-shaped plate (15), the inner wall of the U-shaped plate (15) is slidably connected to a sliding block (18), the top end of the sliding block (18) is fixedly connected to a threaded column (20), and the top of the threaded column (20) is threadedly connected to a lifting plate (21).

3. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 1, characterized in that: A pressure device (23) is fixedly connected to the inner wall of the top of the machine body (1), a driving end of the pressure device (23) is fixedly connected to a mounting plate (24), four inner corners of the machine body (1) are fixedly connected to guide plates (22), and an outer wall of the mounting plate (24) is slidably connected to adjacent sides of the four guide plates (22).

4. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 1, characterized in that: The outer wall of the push plate (6) is slidably connected to the inner wall of the fixed block (4), and the top of the push plate (6) is slidably connected to the inside of the transmission plate (10).

5. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 1, characterized in that: A sliding groove is provided inside the transmission plate (10), and the outer wall of the rotating ring (7) is slidably connected to the inner wall of the sliding groove.

6. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 1, characterized in that: The bottom sides of the plurality of support plates (8) are fixedly connected to the bottom inner wall of the placement groove, and the bottom sides of the two pressing plates (12) are in contact with the left and right sides of the top of the fixing plate (3).

7. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 2, characterized in that: The outer wall of the U-shaped plate (15) is slidably connected to the inner wall of the chamber (13); a T-shaped slider (16) is fixedly connected to the bottom end of the force-bearing plate; a T-shaped slide groove (17) is provided on the bottom inner wall of the chamber (13); and the outer wall of the T-shaped slide groove (16) is slidably connected to the inner wall of the T-shaped slide groove (17).

8. The cylinder body upsetting device of a high-pressure hydraulic cylinder according to claim 2, characterized in that: The outer wall of the sliding block (18) is slidably connected to the inside of the machine body (1); sliding rods (19) are fixedly connected to the front and rear sides of the outside of the sliding block (18); oblique sliding holes are opened on the front and rear sides of the inside of the U-shaped plate (15); the outer wall of the sliding rod (19) is slidably connected to the inner wall of the oblique sliding hole; and the outer wall of the lifting plate (21) is slidably connected to the inner wall of the cylinder mold (2).

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