Punching device for plunger pump cylinder body

Abstract

The invention relates to the technical field of punching equipment, and particularly discloses a plunger pump cylinder body punching device which comprises a pedestal, a punching machine and a placing barrel, the punching machine and the placing barrel are both arranged on the pedestal, an arc-shaped plate is arranged in the placing barrel, and a clamping assembly used for fixing a cylinder body and a supporting assembly used for supporting the cylinder body are arranged on the arc-shaped plate; a discharging mechanism is arranged on one side of the clamping assembly and can drive the clamping assembly to operate and discharge the cylinder body. According to the plunger pump cylinder body punching device, the traction assembly is matched with the locking assembly, the supporting assembly can be conveniently adjusted to support the edge position of a cylinder body so that through hole machining can be conveniently conducted, under the cooperation of the clamping assembly and the discharging mechanism, a plurality of V-shaped rods are matched with one another, the cylinder body is clamped from the outside, and the punching efficiency is improved. The center positioning of the cylinder body is rapidly completed, machining of a center hole and a side hole in the cylinder body is facilitated, the cylinder body can be automatically clamped in the feeding process, and clamping of the cylinder body can be automatically relieved in the discharging process.

Description

Technical Field

[0001] The invention relates to the technical field of punching equipment, and in particular to a plunger pump cylinder body punching device. Background Art

[0002] The plunger pump is a mechanical device commonly used for high-pressure fluid delivery. The fluid is compressed and delivered through the reciprocating motion of the plunger inside the pump body. The plunger pump has the advantages of high pressure, high efficiency and precision control, and is used in hydraulic systems, petrochemicals, metallurgy, cleaning, spraying, injection molding, medical equipment and other fields. The plunger pump cylinder is an important component of the plunger pump, usually the basic structure of the pump body, and its main function is to support and accommodate the plunger, valves and other mechanical parts, while providing the required space and support for the reciprocating motion of the plunger.

[0003] A patent document with announcement number CN221134129U discloses a puncher for convenient cylinder punching, including a mounting shell and a clamping table, wherein the clamping table is fixedly arranged at the top of the outer wall of the mounting shell; an auxiliary component is arranged at the outer wall of the mounting shell, wherein: the auxiliary component includes a limiting ring, a rotating ring, a driving rod, a mounting plate, a limiting shaft, a clamping bolt, a limiting slide rail, a puncher body and a driving component, wherein the driving component is arranged at the inner wall of the mounting shell, the limiting ring is fixedly arranged at the outer wall of the clamping table, the rotating ring is rotatably sleeved on the outer wall of the limiting ring, the bottom end of the driving rod is slidably sleeved on the outer wall of the rotating ring, the mounting plate is fixedly arranged at the outer wall of the driving rod, and the limiting slide rail is fixedly arranged at the outer wall of the mounting plate. Through the auxiliary component, the punching position of the puncher body can be adjusted, which is convenient for batch adjustment of the punching position, and the limiting slide rail is used to adjust the working angle of the puncher body, which is convenient for coping with the punching requirements of cylinder bodies of different sizes and cylinder bodies of different angles.

[0004] However, the scheme still has the following problems: when punching a hole in the cylinder body, the cylinder body is clamped by the middle, and can only be clamped for a cylinder body with a center hole, which is quite restrictive. In addition, the bottom of the cylinder body is directly supported by the clamp and the clamping table, and the bottom of the cylinder body is blocked, which is not conducive to the opening of a through hole on the cylinder body. It is only suitable for opening a blind hole, resulting in a small application range of the punching equipment and large restrictions on use, which is not conducive to the processing of different cylinder bodies. Summary of the invention

[0005] The present invention provides a plunger pump cylinder punching device, aiming to solve the problem that the punching equipment in the related art has a small application range, large usage restrictions, and is not conducive to processing different cylinders.

[0006] The plunger pump cylinder punching device of the present invention comprises a pedestal, a puncher and a placement tube, wherein the puncher and the placement tube are both arranged on the pedestal, an arc-shaped plate is arranged inside the placement tube, a clamping assembly for fixing the cylinder body and a supporting assembly for supporting the cylinder body are arranged on the arc-shaped plate, and a discharging mechanism is arranged on one side of the clamping assembly, which can drive the clamping assembly to operate and discharge the cylinder body; The clamping assembly includes a V-shaped rod and a pressure plate. The V-shaped rod is rotatably mounted on the arc plate, and a torsion spring is arranged between the V-shaped rod and the arc plate. The pressure plate is arranged above the bottom end of the V-shaped rod and can press the V-shaped rod to rotate during descent. The discharging mechanism includes a push plate, a connecting rod and a cylinder. The push plate is arranged above the pressure plate, the connecting rod is fixedly installed at the bottom of the push plate, and the cylinder is fixedly installed at the bottom of the placing cylinder to drive the connecting rod to rise and fall. The support assembly comprises a support platform and a side rod. The support platform is arranged on one side of the arc-shaped plate. The side rod is fixedly installed on the side wall of the support platform, and the side rod can slide in the arc-shaped plate.

[0007] In the present invention, by cooperating with the traction assembly and the locking assembly, the support assembly can be easily adjusted to support the edge position of the cylinder body to avoid obstruction of the bottom of the cylinder body, so as to facilitate the processing of the through hole. Under the cooperation of the clamping assembly and the discharging mechanism, a plurality of V-shaped rods cooperate with each other to clamp the cylinder body from the outside, and the center positioning of the cylinder body is quickly completed, which is convenient for the processing of the center hole and the side holes on the cylinder body. The cylinder body can be automatically clamped during loading and automatically released during unloading, which is convenient for rapid replacement and fixation with the cylinder body, eliminating the trouble of user adjustment and improving processing efficiency.

[0008] Preferably, there are multiple arc-shaped plates and they are evenly distributed in an annular manner along the circumferential direction of the placement cylinder. A mounting groove is formed between two adjacent arc-shaped plates. The upper end of the V-shaped rod is vertically arranged above the arc-shaped plate, and the lower end of the V-shaped rod is inclinedly arranged below the arc-shaped plate. The effect is that by pressing down on the lower end of the V-shaped rod to rotate it, the upper end of the V-shaped rod can be transformed from a vertical state to an inclined state, thereby clamping and fixing the plunger pump cylinder.

[0009] Preferably, a sliding groove is provided on the side wall of the lower end of the V-shaped rod, a pull rod is fixedly installed on the pressure plate, and the end of the pull rod away from the pressure plate is slidably assembled in the sliding groove, and a vertical groove is provided inside the pressure plate, and the connecting rod is slidably assembled in the vertical groove. The effect is that when the pressure plate is descending, the pull rod can slide along the sliding groove, and then push the V-shaped rod to rotate and clamp the plunger pump cylinder.

[0010] Preferably, a transverse hole is opened inside the arc plate, and the transverse hole passes through the arc plate and the placement tube, the side rod is slidably assembled inside the transverse hole, and a spring is fixedly installed between the placement tube and the support platform. The effect is that the position of the support platform can be adjusted by sliding the side rod in the transverse hole, and the distance between multiple support platforms can be adjusted. The support platform can be automatically reset through the spring after the side rod loses external force.

[0011] Preferably, an annular slide rail is fixedly installed on the outside of the placement cylinder, and the slide rail is located on one side of the transverse hole. A traction assembly is arranged inside the slide rail for pulling the side rod to slide in the transverse hole. A locking assembly is arranged on one side of the traction assembly for locking and fixing the traction assembly.

[0012] Preferably, the traction assembly includes a traction ring and a traction rope. The traction ring is rotatably assembled in the slide rail, and the traction rope is fixedly connected to the inner side of the traction ring. One end of the traction rope away from the traction ring extends to the transverse hole and is fixed to the side rod. The effect is that the traction ring is rotated to make the traction rope pull the side rod to slide in the transverse hole, so that multiple support platforms can be adjusted at the same time.

[0013] Preferably, the locking assembly includes a side plate, a bolt, a butterfly nut and a locking plate, the side plate is fixedly mounted on the outer wall of the traction ring, the bolt is vertically fixed on the side plate, and the butterfly nut is threadedly connected to the bolt, the locking plate is fixedly mounted on the side wall of the placement cylinder, the locking plate is located above the slide rail, and an arc groove is opened inside the locking plate along the circumferential direction of the placement cylinder, the bolt slides in the arc groove, and the butterfly nut is located above the locking plate, the effect of which is that the traction ring can be driven to rotate by the bolt sliding in the arc groove, and the butterfly nut is rotated to make it close to the locking plate, so that the bolt and the traction ring can be locked and fixed to prevent the traction ring from continuing to rotate.

[0014] Preferably, a lifting platform is provided on the top of the pedestal, a mounting seat is provided on the top of the lifting platform, and the mounting seat can be raised and lowered under the drive of the lifting platform, and the puncher is arranged on the mounting seat and can slide horizontally on the mounting seat.

[0015] Beneficial effects: When the present invention is in use, through the cooperation of the traction assembly with the locking assembly, it is possible to facilitate the adjustment of the support assembly to support the edge position of the cylinder body, thereby avoiding obstruction of the bottom of the cylinder body, so as to facilitate the processing of the through hole; under the cooperation of the clamping assembly and the discharging mechanism, a plurality of V-shaped rods cooperate with each other to clamp the cylinder body from the outside, and quickly complete the center positioning of the cylinder body, which is convenient for the processing of the center hole and the side holes on the cylinder body; the cylinder body can be automatically clamped during loading and automatically released during unloading, thereby facilitating the rapid replacement and fixation with the cylinder body, eliminating the trouble of user adjustment and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 The present invention Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0018] Figure 3 It is a front cross-sectional view of the placement tube of the present invention.

[0019] Figure 4 It is a top view of the placement tube of the present invention.

[0020] Figure 5 It is a top sectional view of the placement tube of the present invention.

[0021] Figure 6 It is a structural schematic diagram of the clamping assembly of the present invention.

[0022] Figure 7 It is a structural schematic diagram of the support platform of the present invention.

[0023] Reference numerals: 10. Base; 11. Punch; 12. Lifting platform; 13. Mounting seat; 20. Placement cylinder; 21. Arc plate; 22. Mounting groove; 23. Horizontal hole; 24. Slide rail; 30. Clamping assembly; 31. V-shaped rod; 311. Slide groove; 32. Pressure plate; 321. Vertical groove; 33. Pull rod; 40. Discharging mechanism; 41. Push plate; 42. Connecting rod; 43. Cylinder; 50. Support assembly; 51. Support platform; 52. Side rod; 53. Spring; 60. Traction assembly; 61. Traction ring; 62. Traction rope; 70. Locking assembly; 71. Side plate; 72. Bolt; 73. Butterfly nut; 74. Locking plate; 741. Arc groove. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0025] like Figures 1 to 7As shown, the plunger pump cylinder punching device of the present invention includes a base 10, a puncher 11, a placement cylinder 20, a clamping assembly 30, a discharging mechanism 40, a supporting assembly 50, a traction assembly 60 and a locking assembly 70. The puncher 11 is located above the placement cylinder 20 and is used for punching holes in the piston pump cylinder. The placement cylinder 20 is rotatably assembled on the base 10 and is used for placing the piston pump cylinder. The piston pump cylinder is supported by the supporting assembly 50, the clamping assembly 30 positions the piston pump cylinder, the discharging mechanism 40 discharges the piston pump cylinder, and the traction assembly 60 and the locking assembly 70 are arranged outside the placement cylinder 20. The supporting assembly 50 can be adjusted by the traction assembly 60, and the traction assembly 60 can be positioned by the locking assembly 70.

[0026] refer to Figure 1 and Figure 3 A lifting platform 12 is arranged on the top of the platform 10, and a mounting seat 13 is arranged on the top of the lifting platform 12. The mounting seat 13 can be lifted and lowered under the drive of the lifting platform 12. The punching machine 11 is arranged on the mounting seat 13 and can slide horizontally under the action of the mounting seat 13.

[0027] refer to Figure 4 and Figure 5 An arc plate 21 is arranged inside the placement cylinder 20. There are multiple arc plates 21 and they are evenly distributed in an annular shape along the circumferential direction of the placement cylinder 20. An installation groove 22 is formed between two adjacent arc plates 21 to facilitate the installation of the clamping assembly 30. A transverse hole 23 is opened inside the arc plate 21, and the transverse hole 23 passes through the arc plate 21 and the placement cylinder 20 to facilitate the installation of the support assembly 50 and the traction assembly 60. An annular slide rail 24 is fixedly installed outside the placement cylinder 20, and the slide rail 24 is located on one side of the transverse hole 23.

[0028] refer to Figure 3 and Figure 6The clamping assembly 30 includes a V-shaped rod 31, a pressure plate 32 and a pull rod 33. The V-shaped rod 31 has a plurality of parts that are rotatably assembled in a plurality of mounting grooves 22. A torsion spring is arranged between the V-shaped rod 31 and the arc plate 21 to keep the upper end of the V-shaped rod 31 (i.e., the end above the arc plate 21) vertical and the lower end of the V-shaped rod 31 (i.e., the end below the arc plate 21) tilted. A sliding groove 311 is provided on the side wall of the lower end of the V-shaped rod 31. The pressure plate 32 is arranged below the arc plate 21 and is coaxial with the placement cylinder 20. The pressure plate 32 can be relatively As the placement cylinder 20 moves up and down, a vertical groove 321 is opened inside the pressure plate 32, and the pull rod 33 is fixedly installed on the pressure plate 32, and the end of the pull rod 33 away from the pressure plate 32 is slidably assembled in the slide groove 311. The pressure plate 32 descends in the placement cylinder 20, pressing the lower end of the V-shaped rod 31, and at the same time making the pull rod 33 slide along the slide groove 311, and then pressing the V-shaped rod 31 to rotate in the installation groove 22, compressing the torsion spring, and the upper ends of multiple V-shaped rods 31 are changed from vertical to inclined and gathered toward the middle of the placement cylinder 20, and then the plunger pump cylinder is clamped and positioned.

[0029] refer to Figure 3 The discharging mechanism 40 includes a push plate 41, a connecting rod 42 and a cylinder 43. The push plate 41 is arranged above the pressure plate 32. The connecting rod 42 is fixedly installed at the bottom of the push plate 41, and the connecting rod 42 is slidably assembled in the vertical groove 321. The cylinder 43 is fixedly installed at the bottom of the placement tube 20, and the telescopic end of the cylinder 43 is fixed to the connecting rod 42. The connecting rod 42 is driven down by the cylinder 43, so that the push plate 41 presses the pressure plate 32 to descend, and then the V-shaped rod 31 can be rotated to clamp the plunger pump cylinder body. The connecting rod 42 is lifted by the cylinder 43, so that the push plate 41 is pushed up and away from the pressure plate 32. The V-shaped rod 31 is automatically reset under the action of the torsion spring, pushing the pressure plate 32 to rise and reset, and the push plate 41 continues to rise, pushing the plunger pump cylinder body out of the placement tube 20 for discharging.

[0030] refer to Figure 3 , Figure 5 as well as Figure 7 The support assembly 50 includes a support platform 51, a side rod 52 and a spring 53. There are multiple support platforms 51 and they correspond to the arc plate 21 one by one. The side rod 52 is fixedly connected to the support platform 51, and the side rod 52 is slidably assembled in the transverse hole 23. The spring 53 is fixedly installed between the placement tube 20 and the support platform 51. The side rod 52 slides in the transverse hole 23. According to the diameter of the plunger pump cylinder body, the distance between the multiple support platforms 51 is adjusted so that the support platform 51 supports the edge of the bottom of the plunger pump cylinder body to facilitate the punching operation of the plunger pump cylinder body. The spring 53 can facilitate the resetting of the support platform 51.

[0031] refer to Figure 5The traction assembly 60 includes a traction ring 61 and a traction rope 62. The traction ring 61 is rotatably assembled in the slide rail 24. The traction rope 62 is fixedly connected to the inner side of the traction ring 61. One end of the traction rope 62 away from the traction ring 61 extends to the transverse hole 23 and is fixed to the side rod 52. The traction ring 61 rotates in the slide rail 24, so that the traction rope 62 pulls the side rod 52 to slide in the transverse hole 23, which is convenient for simultaneously adjusting multiple support platforms 51 to gather or disperse.

[0032] refer to Figure 1 and Figure 2 The locking assembly 70 includes a side plate 71, a bolt 72, a butterfly nut 73 and a locking plate 74. The side plate 71 is fixedly mounted on the outer wall of the traction ring 61. The bolt 72 is vertically fixed on the side plate 71, and the butterfly nut 73 is threadedly connected to the bolt 72. The locking plate 74 is fixedly mounted on the side wall of the placement cylinder 20. The locking plate 74 is located above the slide rail 24, and an arc groove 741 is opened inside the locking plate 74 along the circumferential direction of the placement cylinder 20. The bolt 72 slides in the arc groove 741, and the butterfly nut 73 is located above the locking plate 74. By rotating the butterfly nut 73 to descend on the bolt 72, the butterfly nut 73 is tightened to the locking plate 74, so that the traction ring 61 can be locked and fixed.

[0033] Working principle: the traction ring 61 is rotated in the slide rail 24, and the traction rope 62 pulls the side rod 52 to slide in the transverse hole 23. According to the diameter of the plunger pump cylinder, the multiple support platforms 51 are dispersed to a suitable distance, and then the traction ring 61 is fixed by the locking assembly 70. The plunger pump cylinder is placed between the multiple support platforms 51 in the placement tube 20. The support platforms 51 support the edge of the bottom of the plunger pump cylinder. The cylinder 43 drives the connecting rod 42 to descend, so that the push plate 41 presses the pressure plate 32 to descend, presses the lower end of the V-shaped rod 31, and at the same time makes the pull rod 33 slide along the slide groove 311, and then presses the V-shaped rod 31 to rotate in the installation groove 22 , compress the torsion spring, and the upper ends of the multiple V-shaped rods 31 change from vertical to inclined and gather toward the middle of the placement tube 20, clamping and positioning the plunger pump cylinder, and by adjusting the lifting platform 12 and the mounting seat 13, adjust the puncher 11 to the top of the plunger pump cylinder to punch holes, so that the placement tube 20 rotates in the base 10, and cooperate with the puncher 11 to perform multi-hole processing on the plunger pump cylinder. After the punching is completed, adjust the push plate 41 to lift and release the pressure on the pressure plate 32. The V-shaped rod 31 rotates and resets under the action of the torsion spring, and then releases the clamping of the plunger pump cylinder, and the push plate 41 continues to lift, and the plunger pump cylinder is pushed out of the placement tube 20 for replacement.

[0034] Beneficial effect: By cooperating with the traction assembly 60 and the locking assembly 70, the support assembly 50 can be easily adjusted to support the edge position of the cylinder body to avoid obstruction of the bottom of the cylinder body, so as to facilitate the processing of the through hole. Under the cooperation of the clamping assembly 30 and the discharging mechanism 40, a plurality of V-shaped rods 31 cooperate with each other to clamp the cylinder body from the outside, and quickly complete the center positioning of the cylinder body, which is convenient for the processing of the center hole and side holes on the cylinder body. The cylinder body can be automatically clamped during loading and automatically released during unloading, which is convenient for rapid replacement and fixation with the cylinder body, eliminating the trouble of user adjustment and improving processing efficiency.

[0035] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A plunger pump cylinder body punching device, comprising a base (10), a puncher (11) and a placement tube (20), wherein the puncher (11) and the placement tube (20) are both arranged on the base (10), characterized in that: An arc-shaped plate (21) is arranged inside the placement cylinder (20), a clamping assembly (30) for fixing the cylinder body and a supporting assembly (50) for supporting the cylinder body are arranged on the arc-shaped plate (21), and a discharging mechanism (40) is arranged on one side of the clamping assembly (30) to drive the clamping assembly (30) to operate and to discharge the cylinder body; The clamping assembly (30) comprises a V-shaped rod (31) and a pressure plate (32); the V-shaped rod (31) is rotatably mounted on the arc-shaped plate (21); a torsion spring is provided between the V-shaped rod (31) and the arc-shaped plate (21); the pressure plate (32) is provided above the bottom end of the V-shaped rod (31) and can press the V-shaped rod (31) to rotate during descent; The discharging mechanism (40) comprises a push plate (41), a connecting rod (42) and a cylinder (43), wherein the push plate (41) is arranged above the pressure plate (32), the connecting rod (42) is fixedly mounted on the bottom of the push plate (41), and the cylinder (43) is fixedly mounted on the bottom of the placement cylinder (20) and is used to drive the connecting rod (42) to rise and fall; The support assembly (50) comprises a support platform (51) and a side rod (52); the support platform (51) is arranged on one side of the arc-shaped plate (21); the side rod (52) is fixedly mounted on a side wall of the support platform (51); and the side rod (52) is capable of sliding inside the arc-shaped plate (21).

2. The plunger pump cylinder punching device according to claim 1, characterized in that: There are a plurality of arc-shaped plates (21) which are evenly distributed in an annular manner along the circumferential direction of the placement cylinder (20); a mounting groove (22) is formed between two adjacent arc-shaped plates (21); the upper end of the V-shaped rod (31) is vertically arranged above the arc-shaped plate (21); and the lower end of the V-shaped rod (31) is obliquely arranged below the arc-shaped plate (21).

3. The plunger pump cylinder punching device according to claim 1, characterized in that: A sliding groove (311) is provided on the side wall at the lower end of the V-shaped rod (31), a pull rod (33) is fixedly mounted on the pressure plate (32), and one end of the pull rod (33) away from the pressure plate (32) is slidably assembled in the sliding groove (311), a vertical groove (321) is provided inside the pressure plate (32), and a connecting rod (42) is slidably assembled in the vertical groove (321).

4. The plunger pump cylinder punching device according to claim 1, characterized in that: A transverse hole (23) is provided inside the arc-shaped plate (21), and the transverse hole (23) passes through the arc-shaped plate (21) and the placement tube (20). The side rod (52) is slidably assembled inside the transverse hole (23), and a spring (53) is fixedly installed between the placement tube (20) and the support platform (51).

5. The plunger pump cylinder punching device according to claim 4, characterized in that: An annular slide rail (24) is fixedly mounted on the outside of the placement cylinder (20), and the slide rail (24) is located on one side of the transverse hole (23). A traction assembly (60) is arranged inside the slide rail (24) for pulling the side rod (52) to slide in the transverse hole (23). A locking assembly (70) is arranged on one side of the traction assembly (60) for locking and fixing the traction assembly (60).

6. The plunger pump cylinder punching device according to claim 5, characterized in that: The traction assembly (60) comprises a traction ring (61) and a traction rope (62); the traction ring (61) is rotatably mounted in the slide rail (24); the traction rope (62) is fixedly connected to the inner side of the traction ring (61); one end of the traction rope (62) away from the traction ring (61) extends into the transverse hole (23) and is fixed to the side rod (52).

7. The plunger pump cylinder punching device according to claim 6, characterized in that: The locking assembly (70) comprises a side plate (71), a bolt (72), a butterfly nut (73) and a locking plate (74); the side plate (71) is fixedly mounted on the outer wall of the traction ring (61); the bolt (72) is vertically fixed on the side plate (71), and the butterfly nut (73) is threadedly connected to the bolt (72); the locking plate (74) is fixedly mounted on the side wall of the placement cylinder (20); the locking plate (74) is located above the slide rail (24), and an arc groove (741) is provided inside the locking plate (74) along the circumferential direction of the placement cylinder (20); the bolt (72) slides in the arc groove (741), and the butterfly nut (73) is located above the locking plate (74).

8. The plunger pump cylinder punching device according to any one of claims 1 to 7, characterized in that: A lifting platform (12) is arranged on the top of the platform (10), a mounting seat (13) is arranged on the top of the lifting platform (12), and the mounting seat (13) can be lifted and lowered under the drive of the lifting platform (12), and the punching machine (11) is arranged on the mounting seat (13) and can slide horizontally on the mounting seat (13).

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