Batch type valve seat punching device

Abstract

The batch type valve seat punching device comprises a machine box, a machining table is fixed to the center of the machine box, a rotating column is rotationally connected to the machining table, and a pneumatic chuck is fixed to the rotating column; the periphery of the machine box is connected with a rack, the rack is connected with a sliding seat through a linear displacement mechanism, a hydraulic cylinder is installed on the bottom face of the sliding seat, the lower end of the hydraulic cylinder is connected with a box body, a plurality of rotating shafts distributed circumferentially are rotationally connected into the box body, a second driving mechanism for driving all the rotating shafts to rotate is arranged in the box body, and the lower ends of the rotating shafts are connected with installation heads. A drill bit is mounted on the mounting head; lifting mechanisms are arranged on the portions, located on the two sides of the machining table, of the machine box, first air cylinders are installed on the two lifting mechanisms and are oppositely arranged, and clamping mechanisms are installed at the opposite ends of the two first air cylinders. The upper valve seat and the lower valve seat are overlapped, and the edges of the two valve seats are clamped together through the clamping mechanism so that the two valve seats can be drilled at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of punching devices, and specifically to a batch-type valve seat punching device. Background Art

[0002] As Figure 6 shown, it is a schematic diagram of a valve seat 30, which has positioning holes on its periphery. Therefore, when processing, holes need to be drilled on the valve seat. However, the current drilling devices have the following problems: (1) Only one hole can be drilled on one valve seat each time, and multiple holes cannot be drilled on one valve seat simultaneously, resulting in low drilling efficiency; (2) Each time drilling, only one valve seat can be drilled, and two valve seats cannot be drilled simultaneously, resulting in low drilling efficiency. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a batch-type valve seat punching device to solve the problems mentioned in the above background art.

[0004] To solve the above technical problems, the present invention provides the following technical solutions:

[0005] A batch-type valve seat punching device includes a machine case, a processing table is fixedly centered on the machine case, a rotating column is rotatably connected to the processing table, a pneumatic chuck is fixed on the rotating column, and a first driving mechanism for driving the rotating column to rotate is arranged inside the processing table; a frame is connected to the periphery of the machine case, a linear displacement mechanism is installed on the frame, and a sliding seat is connected through the linear displacement mechanism. A hydraulic cylinder is installed on the bottom surface of the sliding seat, and the lower end of the hydraulic cylinder is connected to a box body. The box body can be driven to reach directly above the pneumatic chuck through the linear displacement mechanism. A plurality of rotating shafts distributed in a circular pattern are rotatably connected inside the box body, a second driving mechanism for driving all the rotating shafts to rotate is arranged inside the box body, the lower ends of the rotating shafts are connected to mounting heads, and drill bits are installed on the mounting heads; lifting mechanisms are arranged on both sides of the processing table on the machine case, first cylinders are installed on both lifting mechanisms, the two first cylinders are arranged oppositely, and clamping mechanisms are installed at the opposite ends. The two mirror-image coincident valve seats can be fixed through the clamping mechanisms.

[0006] Preferably, the linear displacement mechanism includes a lead screw rotatably connected to the upper part of the frame, a guide rod connected to the upper part of the frame, and a first motor installed on one side of the upper part of the frame. The first motor is in transmission connection with one end of the lead screw. The sliding seat is in threaded connection with the lead screw and is slidably connected to the guide rod.

[0007] For the above technical solution, controlling the first motor to work and driving the lead screw to rotate can drive the sliding seat to move linearly along the guide rod.

[0008] Preferably, the first driving mechanism includes a second motor installed in the processing table, a first transmission shaft connected to the second motor through a coupling, a first gear connected to the first transmission shaft, and a second gear connected to the rotating column. The first gear meshes with the second gear.

[0009] In the above technical solution, by controlling the second motor to work, the first transmission shaft is driven to rotate. Through the cooperation of the first gear and the second gear, the rotating column is driven to rotate, thereby driving the pneumatic chuck to rotate and finally driving the valve seat to rotate.

[0010] Preferably, the second driving mechanism includes a third motor installed in the box body, a second transmission shaft connected to the third motor through a coupling, a third gear connected to the second transmission shaft, and a fourth gear connected to the rotating shaft. The third gear meshes with all the fourth gears.

[0011] In the above technical solution, by controlling the third motor to work, the second transmission shaft is driven to rotate. Through the cooperation of the third gear and the fourth gear, all the rotating shafts are driven to rotate, thereby driving all the drill bits to rotate.

[0012] Preferably, the lifting mechanism includes a second cylinder installed on the chassis and located on one side of the processing table, a lifting table connected to the telescopic end of the second cylinder, and a wall plate installed on the chassis and located on one side of the second cylinder. A slider is provided at one end of the lifting table, and a vertical sliding groove is provided on the wall plate. The slider is slidably arranged in the sliding groove.

[0013] In the above technical solution, by controlling the second cylinder to extend, the lifting table is driven to rise, thereby adjusting the height of the clamping mechanism. When the lifting table rises, through the cooperation of the slider and the sliding groove, the lifting of the lifting table can be made more stable.

[0014] Preferably, the clamping mechanism includes a U-shaped block connected to the telescopic end of the first cylinder, third cylinders connected to the outer walls on both sides of the U-shaped block, and clamping plates connected to the telescopic ends of the two third cylinders. The two clamping plates are arranged oppositely and are both located inside the U-shaped block.

[0015] In the above technical solution, after the U-shaped block is aligned with the two overlapping valve seats, control the first cylinder to extend, so that the U-shaped block moves towards the valve seat until the edges of the two valve seats are inserted into the U-shaped block, and then control the third cylinder to extend to clamp the two valve seats through the clamping plates.

[0016] Preferably, a spring is connected to the center of the bottom of the box body, and a pressing plate is connected to the lower end of the spring.

[0017] In the above technical solution, when the box body descends, the pressing plate contacts the valve seat and compresses the spring, and the valve seat is pressed tightly through the action of the pressing plate to make the valve seat more stable.

[0018] Preferably, a controller is provided inside the chassis, and the first motor, the second motor, the third motor, the first cylinder, the second cylinder, the third cylinder, and the hydraulic cylinder are all electrically connected to the controller.

[0019] In the above technical solution, a control program is written in the controller for controlling the orderly operation of each component.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] (1) The pneumatic chuck fixes one valve seat and places the other valve seat mirror-image below the upper valve seat so that the upper and lower valve seats overlap. Then, the edges of the two valve seats are jointly clamped by the clamping mechanism, so that the two valve seats are kept fixed for drilling the two valve seats simultaneously.

[0022] (2) During drilling, all the rotating shafts are controlled to rotate by the second driving mechanism, so that all the drill bits can be driven to rotate to drill a plurality of holes simultaneously, greatly improving the drilling efficiency. Description of the Drawings

[0023] Figure 1 is a schematic diagram of the present invention;

[0024] Figure 2 is a top view cross-sectional view of the box body;

[0025] Figure 3 is a side view cross-sectional view of the box body;

[0026] Figure 4 is a cross-sectional view of the clamping mechanism;

[0027] Figure 5 is a schematic diagram when the present invention drills the valve seat;

[0028] Figure 6 is a schematic diagram of the valve seat;

[0029] In the figure: 1 - chassis, 2 - processing table, 3 - rotating column, 4 - pneumatic chuck, 5 - frame, 6 - sliding seat, 7 - hydraulic cylinder, 8 - box body, 9 - rotating shaft, 10 - drill bit, 11 - first cylinder, 12 - lead screw, 13 - guide rod, 14 - first motor, 15 - second motor, 16 - first gear, 17 - second gear, 18 - third motor, 19 - third gear, 20 - fourth gear, 21 - second cylinder, 22 - lifting platform, 23 - wall panel, 24 - chute, 25 - U-shaped block, 26 - third cylinder, 27 - clamping plate, 28 - spring, 29 - pressing plate, 30 - valve seat. Detailed Embodiments

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1

[0032] Please refer to Figures 1-5 , a batch valve seat punching device, including a chassis 1, a processing table 2 fixedly centered on the chassis 1, a rotating column 3 rotatably connected to the processing table 2, a pneumatic chuck 4 fixed on the rotating column 3, and a first driving mechanism for driving the rotating column 3 to rotate provided in the processing table 2. Specifically, the first driving mechanism includes a second motor 15 installed in the processing table, a first transmission shaft connected to the second motor through a coupling, a first gear 16 connected to the first transmission shaft, and a second gear 17 connected to the rotating column. The first gear 16 meshes with the second gear 17. By controlling the second motor 15 to work, driving the first transmission shaft to rotate, through the cooperation of the first gear 16 and the second gear 17, driving the rotating column 3 to rotate, so as to drive the pneumatic chuck to rotate, and finally drive the valve seat to rotate.

[0033] A frame 5 is connected to the periphery of the chassis 1, a linear displacement mechanism is installed on the frame 5, and a sliding seat 6 is connected through the linear displacement mechanism. A hydraulic cylinder 7 is installed on the bottom surface of the sliding seat 6, and the lower end of the hydraulic cylinder 7 is connected to a box body 8. The box body 8 can be driven by the linear displacement mechanism to reach directly above the pneumatic chuck 4. Specifically, the linear displacement mechanism includes a lead screw 12 rotatably connected to the upper part of the frame, a guide rod 13 connected to the upper part of the frame, and a first motor 14 installed on one side of the upper part of the frame. The first motor 14 is in transmission connection with one end of the lead screw 12. The sliding seat 6 is threadedly connected to the lead screw 12 and is slidably connected to the guide rod 13. By controlling the first motor 14 to work, driving the lead screw 12 to rotate, the sliding seat 6 can be driven to move linearly along the guide rod 13 until the box body 8 reaches directly above the pneumatic chuck 4.

[0034] A plurality of rotating shafts 9 distributed in a circular pattern are rotatably connected inside the box body 8. A second driving mechanism for driving all the rotating shafts 9 to rotate is provided inside the box body 8. The lower end of the rotating shaft 9 is connected with a mounting head, and a drill bit 10 is mounted on the mounting head. Specifically, the second driving mechanism includes a third motor 18 mounted inside the box body, a second transmission shaft connected to the third motor through a coupling, a third gear 19 connected to the second transmission shaft, and a fourth gear 20 connected to the rotating shaft. The third gear 19 meshes with all the fourth gears 20. By controlling the operation of the third motor 18, the second transmission shaft is driven to rotate. Through the cooperation of the third gear 19 and the fourth gear 20, all the rotating shafts 9 are driven to rotate, thereby driving all the drill bits 10 to rotate to drill a plurality of holes simultaneously.

[0035] Lifting mechanisms are provided on both sides of the processing table 2 on the chassis 1. The lifting mechanism includes a second cylinder 21 mounted on the chassis and located on one side of the processing table, a lifting table 22 connected to the telescopic end of the second cylinder, a wall plate 23 mounted on the chassis and located on one side of the second cylinder. One end of the lifting table is provided with a slider, and a vertical sliding groove 24 is provided on the wall plate. The slider is slidably disposed in the sliding groove 24. A first cylinder 11 is mounted on the lifting table 22. The two first cylinders 11 are disposed oppositely, and clamping mechanisms are mounted on the opposite ends. The two mirror-image coincident valve seats can be fixed by the clamping mechanism. By controlling the extension of the second cylinder 21, the lifting table 22 can be driven to rise, thereby adjusting the height of the clamping mechanism to make the clamping mechanism correspond to the valve seat, so as to match valve seats of different heights. When the lifting table 22 rises, through the cooperation of the slider and the sliding groove 24, the lifting of the lifting table 22 can be made more stable.

[0036] The clamping mechanism includes a U-shaped block 25 connected to the telescopic end of the first cylinder, third cylinders 26 connected to the outer walls on both sides of the U-shaped block, and clamping plates 27 connected to the telescopic ends of the two third cylinders. The two clamping plates 27 are disposed oppositely and are both located inside the U-shaped block 25. After the U-shaped block 25 is aligned with the two coincident valve seats, the first cylinder 11 is controlled to extend, so that the U-shaped block 25 moves towards the valve seat until the edges of the two valve seats are inserted into the U-shaped block 25, and then the third cylinders 26 are controlled to extend to clamp the two valve seats through the clamping plates 27.

[0037] A controller is provided inside the chassis. The first motor, the second motor, the third motor, the first cylinder, the second cylinder, the third cylinder, and the hydraulic cylinder are all electrically connected to the controller.

[0038] The working principle of this embodiment is as follows:

[0039] Fix a valve seat 30 by means of a pneumatic chuck 4, then place another valve seat mirror-imaged on the lower valve seat so that the upper and lower valve seats overlap. Then control the first cylinder 11 to extend, so that the U-shaped block 25 moves towards the valve seat until the edges of the two valve seats are inserted into the U-shaped block 25. Then control the third cylinder 26 to extend, and clamp the two valve seats together through the clamping plate 27. Then control the movement of the slide block 6 through the linear displacement mechanism so that the box body 8 reaches directly above the valve seat. Then control all the rotating shafts 9 to rotate through the second driving mechanism, so as to drive all the drill bits 10 to rotate. At the same time, control the hydraulic cylinder 7 to extend to drive the box body 8 to descend, so as to drill a plurality of holes in the two valve seats simultaneously, greatly improving the drilling efficiency.

[0040] Embodiment 2

[0041] On the basis of Embodiment 1, a spring 28 is connected to the center of the bottom of the box body 8, and the lower end of the spring 28 is connected to a pressing plate 29. When the box body 8 descends, the pressing plate 29 contacts the valve seat 30 and compresses the spring 28, and the valve seat is pressed tightly through the action of the pressing plate 29, making the valve seat more stable.

[0042] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the presence of additional identical elements in the process, method, article or device including the said element.

[0043] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A batch valve seat punching device, characterized in that: The invention comprises a machine case (1), a processing table (2) is fixed at the center of the machine case (1), a rotating column (3) is rotatably connected to the processing table (2), a pneumatic chuck (4) is fixed to the rotating column (3), and a first driving mechanism for driving the rotating column (3) to rotate is arranged in the processing table (2); a frame (5) is connected to the periphery of the machine case (1), a linear displacement mechanism is installed on the frame (5), and a slide seat (6) is connected through the linear displacement mechanism, a hydraulic cylinder (7) is installed on the bottom surface of the slide seat (6), a box body (8) is connected at the lower end of the hydraulic cylinder (7), and the box body (8) can be driven to reach the top of the pneumatic chuck (4) through the linear displacement mechanism, a plurality of rotating shafts (9) distributed in a circle are rotatably connected in the box body (8), a second driving mechanism for driving all the rotating shafts (9) to rotate is arranged in the box body (8), a mounting head is connected at the lower end of the rotating shaft (9), and a drill bit (10) is installed on the mounting head; The chassis (1) is provided with lifting mechanisms on both sides of the processing table (2), and the two lifting mechanisms are both equipped with first cylinders (11). The two first cylinders (11) are arranged opposite to each other, and clamping mechanisms are installed at the opposite ends. The two valve seats that overlap in mirror image can be fixed by the clamping mechanisms.

2. A batch valve seat punching device according to claim 1, characterized in that: The linear displacement mechanism comprises a screw rod (12) rotatably connected to the upper part of the frame, a guide rod (13) connected to the upper part of the frame, and a first motor (14) installed on one side of the upper part of the frame, the first motor (14) is transmission-connected to one end of the screw rod (12), the slide seat (6) is threadedly connected to the screw rod (12), and the slide seat (6) is slidably connected to the guide rod (13).

3. A batch valve seat punching device according to claim 2, characterized in that: The first driving mechanism comprises a second motor (15) installed in the processing table, a first transmission shaft connected to the second motor through a coupling, a first gear (16) connected to the first transmission shaft, and a second gear (17) connected to the rotating column, wherein the first gear (16) is meshed with the second gear (17).

4. A batch valve seat punching device according to claim 3, characterized in that: The second driving mechanism comprises a third motor (18) installed in the box body, a second transmission shaft connected to the third motor through a coupling, a third gear (19) connected to the second transmission shaft, and a fourth gear (20) connected to the rotating shaft, wherein the third gear (19) is meshed with all the fourth gears (20).

5. A batch valve seat punching device according to claim 4, characterized in that: The lifting mechanism comprises a second cylinder (21) installed on the chassis and located on one side of the processing table, a lifting platform (22) connected to the telescopic end of the second cylinder, and a wall panel (23) installed on the chassis and located on one side of the second cylinder. A slider is provided at one end of the lifting platform, and a vertical slide groove (24) is provided on the wall panel. The slider is slidably arranged in the slide groove (24).

6. A batch valve seat punching device according to claim 5, characterized in that: The clamping mechanism comprises a U-shaped block (25) connected to the telescopic end of the first cylinder, a third cylinder (26) connected to the outer walls of both sides of the U-shaped block, and a clamping plate (27) connected to the telescopic ends of the two third cylinders. The two clamping plates (27) are arranged opposite to each other and are both located in the U-shaped block (25).

7. A batch valve seat punching device according to claim 6, characterized in that: A spring (28) is connected to the center of the bottom of the box body (8), and a pressure plate (29) is connected to the lower end of the spring (28).

8. A batch valve seat punching device according to claim 7, characterized in that: A controller is disposed in the chassis, and the first motor, the second motor, the third motor, the first cylinder, the second cylinder, the third cylinder, and the hydraulic cylinder are all electrically connected to the controller.

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