Uniform punching equipment for machining water pump cover and punching method of uniform punching equipment

Abstract

The invention discloses uniform punching equipment for machining a water pump cover and a punching method thereof, and belongs to the technical field of water pumps, the uniform punching equipment comprises a lower die and an upper die, the upper die is located above the lower die, and the uniform punching equipment is characterized in that the lower die comprises a bottom plate, a fixing seat is fixedly arranged on the upper portion of the bottom plate, a fixing shaft is fixedly arranged in the middle of the fixing seat, and a punching seat is fixedly arranged on the upper portion of the fixing shaft; a convex ring part is arranged at the front part of the rotating wheel; shifting teeth are arranged on the periphery of the rotating wheel in an annular array manner, and are in an anticlockwise centrifugal shape; a punching rod and a pushing column are fixedly arranged at the lower part of the upper die; the punching rod is positioned right above the punching groove, the pushing column is positioned on the right side of the rotating wheel, and a pushing block is fixedly arranged in the pushing column; according to the water pump cover punching device, stable fixing of a water pump cover is achieved, punching uniformity is guaranteed, and the automation degree is remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water pumps, and specifically to a uniform hole punching device for processing water pump covers and a hole punching method thereof. Background Art

[0002] Water pumps are commonly used equipment in industrial and agricultural production activities, including basic mechanisms such as pump bodies, pump shafts, impellers, and sealing devices. The water pump cover is an important part of the sealing device. It prevents liquid leakage and protects internal parts from the external environment. The water pump cover is mainly a cylindrical shape with one open side, and annularly arrayed holes need to be punched on its circumferential surface. These holes are usually described as side holes. When traditional hole punching devices punch holes in water pump covers, they face three problems: First, the cylindrical structure is not easy to be stably fixed; second, it is difficult to ensure the uniformity of hole punching; third, to try to avoid the above problems, experienced workers need to stay beside the equipment for a long time, and the degree of automation is low. Based on this situation, how to achieve the stable fixation of the water pump cover, ensure the uniformity of hole punching, and on this basis improve the degree of automation of hole punching has increasingly become an urgent problem for relevant technical personnel to solve. Summary of the Invention

[0003] In order to solve the above technical problems, the present invention provides a uniform hole punching device for processing water pump covers and a hole punching method thereof.

[0004] A uniform hole punching device for processing water pump covers includes a lower die and an upper die. The upper die is located above the lower die. It is characterized in that: the lower die includes a bottom plate, a fixing seat is fixedly arranged on the upper part of the bottom plate, a fixing shaft is fixedly arranged in the middle of the fixing seat, a punching seat is fixedly arranged on the upper part of the fixing shaft, a punching groove is arranged inside the punching seat, a rotating wheel is arranged behind the punching seat, the rotating wheel is rotatably connected with the fixing shaft, a convex ring part is arranged in the front of the rotating wheel, teeth are annularly arrayed on the periphery of the rotating wheel, the teeth are in a counterclockwise centrifugal shape, a punching rod and a pushing column are fixedly arranged on the lower part of the upper die, the punching rod is directly above the punching groove, the pushing column is on the right side of the rotating wheel, a pushing block is fixedly arranged inside the pushing column, and the position of the pushing block corresponds to that of the teeth.

[0005] Further, a pressing cover is arranged directly in front of the rotating wheel, a mounting plate is fixedly arranged on the front part of the bottom plate, a cylinder is fixedly arranged on the front part of the mounting plate, the output end of the cylinder penetrates through the mounting plate backward, and a middle shaft is fixedly arranged at the output end of the cylinder. The middle shaft is rotatably connected with the central position of the pressing cover.

[0006] Further, a rotating ring is arranged between the rotating wheel and the fixing seat. Circular holes are annularly arrayed and penetrated inside the rotating ring, balls are arranged inside the circular holes, and limiting grooves are arranged at the corresponding positions of the rotating wheel, the fixing seat and the balls. The balls are in rolling connection with the limiting grooves.

[0007] Furthermore, a side plate is fixedly arranged on the left front part of the fixing seat, a bolt is horizontally arranged inside the side plate, a locking block is arranged on the right side of the bolt, a spring is sleeved around the bolt, two ends of the spring are respectively fixedly connected to the side plate and the locking block, and under the action of the spring, the locking block fits with the shifting tooth.

[0008] Furthermore, the right end of the locking block is designed with an angled design, the upper portion of the end is inclined from the upper left to the lower right, and the lower portion of the end is inclined from the upper right to the lower left.

[0009] Furthermore, a middle plate is fixedly arranged on the upper part of the fixing seat, a first limiting hole and a second limiting hole are penetrated inside the middle plate, the push column is slidably plugged into the first limiting hole, and the punch rod is slidably plugged into the second limiting hole.

[0010] Furthermore, a straight groove is arranged at the front of the fixing seat, the push column is slidably connected to the straight groove, and a cushion block is fixedly arranged at the upper part of the bottom plate, and the cushion block is located directly below the push column.

[0011] Furthermore, a through hole is provided in the fixed shaft at a position corresponding to the punching groove, and a leakage hole is provided in the bottom plate at a position corresponding to the punching groove.

[0012] Furthermore, a punching method of a uniform punching device for processing a water pump cover is as follows: (1) In the initial state, the upper die and the push column are at the highest point of their own stroke, and the water pump cover to be punched is buckled on the convex ring part. At this time, the inner wall of the water pump cover fits with the punch seat, and the cylinder is started. The output end of the cylinder pushes the middle shaft and the pressure cover backward until the pressure cover fits with the water pump cover; (2) The upper die is moved downward. Under the sliding limit of the straight groove and the first limit hole, the push column moves vertically downward until it fits with the cushion block. During this process, the push block pushes the tail end of the rightmost shifting tooth to make the rotating wheel rotate clockwise. Correspondingly, the leftmost shifting tooth pushes the locking block to move toward the bolt direction. When the rotating wheel rotates through an angle of a shifting tooth, the locking block is reset under the action of the spring. The rotating wheel remains stable under the dual limit of the push block and the locking block. At this time, the push column fits with the cushion block, and the lower end of the punch rod penetrates the predetermined punching position of the water pump cover and is inserted into the inside of the punching groove; (3) In the previous step, the gland, water pump cover, runner, and rotating ring rotate synchronously, and the rolling connection between the ball and the limit groove enables this synchronous rotation process to proceed smoothly; (4) The washed waste leaks out through the through hole inside the fixed shaft and the leakage hole inside the bottom plate; (5) Move the upper die upward until it resets. During this process, the pushing block pushes the rightmost tooth of the gear. Under the action of friction, the rotating wheel rotates slightly counterclockwise. The angled design at the right end of the locking block, especially the inclined design at the upper right end, combined with the contraction of the spring, enables the slight counterclockwise rotation of the rotating wheel to proceed smoothly. As a result, the pushing column can be reset smoothly, and the rotating wheel automatically returns to the state before the slight counterclockwise rotation. Thus, a side hole punching operation is completed. (6) Repeat the above process until the side hole punching work on the entire circumferential surface of the water pump cover is completed.

[0013] The beneficial effects of a uniform punching device and a punching method for processing a water pump cover according to the present invention are as follows: The punching seat and the convex ring part provide a good structural basis for the stable placement of the water pump cover. The cylinder, the middle shaft, and the rear pressure of the gland provide a further structural basis for the stable placement of the water pump cover. The rotating ring, the round hole, the round bead, and the limiting groove provide a good structural basis for the stable rotation of the rotating wheel and the water pump cover. The pushing column and the pushing block provide a good structural basis for the equidistant rotation between adjacent side holes of the water pump cover. The pushing block and the locking block provide a good structural basis for the stability during the punching process of the water pump cover. Thus, both the stable fixation of the water pump cover is achieved, and the uniformity of punching is ensured. After loading, only by moving the upper die up and down can the punching be completed, and there is no need for experienced workers to squat beside the equipment for a long time, and the automation degree is significantly improved. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art, but it is not a limitation on the protection scope of the present invention.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a front view structural schematic diagram of the present invention (the cylinder and related structures are not shown); Figure 3 For Figure 2 The partial enlarged view at A in Figure 4 It is a structural schematic diagram of the upper die of the present invention; Figure 5 It is a structural schematic diagram of the lower die of the present invention (the cylinder and related structures are not shown); Figure 6 It is a partial structural schematic diagram (one) of the lower die of the present invention; Figure 7 It is a partial structural schematic diagram (two) of the lower die of the present invention; Figure 8 It is a partial structural schematic diagram (three) of the lower die of the present invention; Figure 9Partial structural schematic diagram (IV) of the lower die of the present invention; Figure 10 Enlarged structural schematic diagram of the runner of the present invention; Figure 11 Enlarged structural schematic diagram of the water pump cover of the present invention.

[0016] Wherein, 1-upper die, 2-lower die, 3-mounting plate, 4-cylinder, 5-lock block, 6-side plate, 7-runner, 8-pusher block, 9-pushing column, 10-punch rod, 11-pressure cover, 12-bottom plate, 13-central axis, 14-leakage hole, 15-spacer block, 16-fixed seat, 17-first limiting hole, 18-second limiting hole, 19-middle plate, 20-water pump cover, 21-straight groove, 22-side hole, 23-fixed shaft, 24-punch seat, 25-dial tooth, 26-rotating ring, 27-round hole, 28-bolt, 29-limiting groove, 30-round bead, 31-convex ring part. Detailed implementation manners

[0017] For clearer description, in combination with the accompanying drawings of the specification, a uniform punching device for processing a water pump cover and its punching method of the present invention will be further described.

[0018] A uniform punching device for processing a water pump cover includes a lower die 2 and an upper die 1. The upper die 1 is located above the lower die 2. It is characterized in that: the lower die 2 includes a bottom plate 12. A fixed seat 16 is fixedly arranged on the upper part of the bottom plate 12. A fixed shaft 23 is fixedly arranged in the middle of the fixed seat 16. A punch seat 24 is fixedly arranged on the upper part of the fixed shaft 23. A punching groove is arranged inside the punch seat 24. A runner 7 is arranged behind the punch seat 24. The runner 7 is rotatably connected to the fixed shaft 23. A convex ring part 31 is arranged at the front of the runner 7. Dial teeth 25 are arranged in an annular array on the periphery of the runner 7. The dial teeth 25 are in a counterclockwise centrifugal shape. A punch rod 10 and a pushing column 9 are fixedly arranged on the lower part of the upper die 1. The punch rod 10 is located directly above the punching groove. The pushing column 9 is located on the right side of the runner 7. A pusher block 8 is fixedly arranged inside the pushing column 9. The position of the pusher block 8 corresponds to that of the dial teeth 25.

[0019] Furthermore, a pressure cover 11 is arranged directly in front of the runner 7. A mounting plate 3 is fixedly arranged on the front part of the bottom plate 12. A cylinder 4 is fixedly arranged on the front part of the mounting plate 3. The output end of the cylinder 4 penetrates through the mounting plate 3 backward. The output end of the cylinder 4 is fixedly provided with a central axis 13. The central axis 13 is rotatably connected to the central position of the pressure cover 11.

[0020] Further, a rotating ring 26 is arranged between the rotating wheel 7 and the fixed seat 16. Circular holes 27 are arranged in a circular array inside the rotating ring 26. Spherical beads 30 are arranged inside the circular holes 27. Limiting grooves 29 are arranged at corresponding positions of the rotating wheel 7, the fixed seat 16 and the spherical beads 30. The spherical beads 30 are in rolling connection with the limiting grooves 29.

[0021] Further, a side plate 6 is fixedly arranged on the left side of the front part of the fixed seat 16. A bolt 28 is horizontally arranged inside the side plate 6. A locking block 5 is arranged on the right side of the bolt 28. A spring is sleeved around the bolt 28. Two ends of the spring are respectively fixedly connected with the side plate 6 and the locking block 5. Under the action of the spring, the locking block 5 is in fit with the dial tooth 25.

[0022] Further, the right end of the locking block 5 is designed with a fold angle. The upper part of this end inclines from the upper left to the lower right, and the lower part of this end inclines from the upper right to the lower left.

[0023] Further, a middle plate 19 is fixedly arranged on the upper part of the fixed seat 16. A first limiting hole 17 and a second limiting hole 18 are arranged through the middle plate 19. The push column 9 is slidably inserted into the first limiting hole 17, and the punching rod 10 is slidably inserted into the second limiting hole 18.

[0024] Further, a straight groove 21 is arranged at the front part of the fixed seat 16. The push column 9 is slidably connected with the straight groove 21. A cushion block 15 is fixedly arranged on the upper part of the bottom plate 12. The cushion block 15 is located directly below the push column 9.

[0025] Further, through holes are arranged through the fixed shaft 23 at positions corresponding to the punching grooves, and leakage holes 14 are arranged through the bottom plate 12 at positions corresponding to the punching grooves.

[0026] Further, a punching method for a uniform punching device for processing a water pump cover is as follows: (1) In the initial state, the upper die 1 and the push column 9 are at the highest positions of their strokes. The water pump cover 20 to be punched is buckled on the convex ring part 31. At this time, the inner wall of the water pump cover 20 is in fit with the punching seat 24. The air cylinder 4 is started. The output end of the air cylinder 4 pushes the middle shaft 13 and the pressing cover 11 to move backward until the pressing cover 11 is in fit with the water pump cover 20. (2) Lower the upper die 1. Under the sliding limit of the straight groove 21 and the first limiting hole 17, the push column 9 moves vertically downward until it fits against the cushion block 15. During this process, the push block 8 pushes the tail end of the rightmost tooth 25 of the ratchet wheel 7 to rotate the ratchet wheel 7 clockwise. Correspondingly, the leftmost tooth 25 of the ratchet wheel 7 pushes the locking block 5 to move in the direction of the bolt 28. When the ratchet wheel 7 rotates through an angle of one tooth 25, the locking block 5 resets under the action of the spring. The ratchet wheel 7 remains stable under the double limit of the push block 8 and the locking block 5. At this time, the push column 9 fits against the cushion block 15, and the lower end of the punch rod 10 penetrates the predetermined punching position of the water pump cover 20 and inserts into the inside of the punching groove. (3) In the previous step, the gland 11, the water pump cover 20, the ratchet wheel 7, and the rotating ring 26 rotate synchronously. The rolling connection between the ball 30 and the limiting groove 29 enables this synchronous rotation process to proceed smoothly. (4) The scrap punched out leaks out along the through hole inside the fixed shaft 23 and the leakage hole 14 inside the bottom plate 12. (5) Raise the upper die 1 until it resets. During this process, the push block 8 pushes the rightmost tooth 25 of the ratchet wheel 7. Under the action of friction, the ratchet wheel 7 rotates slightly counterclockwise. The angled design at the right end of the locking block 5, especially the inclined design at the upper right end, combined with the contraction of the spring, enables the slight counterclockwise rotation of the ratchet wheel 7 to proceed smoothly. Furthermore, the push column 9 can be reset smoothly, and the ratchet wheel 7 automatically returns to the state before the slight counterclockwise rotation. Thus, one punching operation for the side hole 22 is completed. (6) Repeat the above process until the punching operation for the side holes 22 on the entire circumferential surface of the water pump cover 20 is completed.

[0027] The working principle of a uniform punching device and its punching method for processing a water pump cover according to the present invention is as follows: By performing steps (1)-(6) of the above punching method, the punching operation for the side holes 22 on the circumferential surface of the water pump cover 20 can be smoothly completed with a relatively high degree of automation, and the stability of the water pump cover 20 and the uniformity of punching during the process can be ensured.

[0028] The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement that can be thought of without creative labor should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A uniform punching device for processing a water pump cover, comprising a lower die and an upper die, the upper die being located above the lower die, characterized in that: The lower die includes a bottom plate. A fixed seat is fixedly arranged on the upper part of the bottom plate. A fixed shaft is fixedly arranged in the middle of the fixed seat. A punching seat is fixedly arranged on the upper part of the fixed shaft. A punching groove is arranged inside the punching seat. A runner is arranged behind the punching seat. The runner is rotatably connected to the fixed shaft. A convex ring part is arranged at the front part of the runner. Tooth-shaped projections are arranged in an annular array on the periphery of the runner. The tooth-shaped projections are in a counterclockwise centrifugal shape. An ejector rod and a push column are fixedly arranged on the lower part of the upper die. The ejector rod is directly above the punching groove. The push column is on the right side of the runner. A push block is fixedly arranged inside the push column. The position of the push block corresponds to that of the tooth-shaped projections.

2. The uniform punching device for processing a water pump cover according to claim 1, wherein A gland is arranged directly in front of the runner. A mounting plate is fixedly arranged on the front part of the bottom plate. A cylinder is fixedly arranged on the front part of the mounting plate. The output end of the cylinder penetrates through the mounting plate backward. A central shaft is fixedly arranged at the output end of the cylinder. The central shaft is rotatably connected to the center position of the gland.

3. The uniform punching device for processing a water pump cover according to claim 1, characterized in that, A rotating ring is arranged between the runner and the fixed seat. Circular holes are arranged in an annular array and penetrate through the inside of the rotating ring. Spherical beads are arranged inside the circular holes. Position-limiting grooves are arranged at the corresponding positions of the runner, the fixed seat and the spherical beads. The spherical beads are in rolling connection with the position-limiting grooves.

4. A uniform punching device for processing a water pump cover according to claim 1, characterized in that, A side plate is fixedly arranged on the left side of the front part of the fixed seat. A bolt is horizontally arranged inside the side plate. A locking block is arranged on the right side of the bolt. A spring is sleeved on the periphery of the bolt. Two ends of the spring are respectively fixedly connected to the side plate and the locking block. Under the action of the spring, the locking block is in contact with the tooth-shaped projections.

5. The uniform punching device for processing a water pump cover according to claim 4, wherein, The right end of the locking block is designed with a fold angle. The upper part of this end inclines from the upper left to the lower right, and the lower part of this end inclines from the upper right to the lower left.

6. The uniform punching device for processing a water pump cover according to claim 1, wherein, A middle plate is fixedly arranged on the upper part of the fixed seat. A first position-limiting hole and a second position-limiting hole penetrate through the inside of the middle plate. The push column is slidably inserted into the first position-limiting hole. The ejector rod is slidably inserted into the second position-limiting hole.

7. A uniform punching device for processing a water pump cover according to claim 1, characterized in that, A straight groove is arranged on the front part of the fixed seat. The push column is slidably connected to the straight groove. A cushion block is fixedly arranged on the upper part of the bottom plate. The cushion block is directly below the push column.

8. An evenly punching device for processing a water pump cover according to claim 1, characterized in that, A through hole is arranged in the fixed shaft at a position corresponding to the punching groove. A leakage hole is arranged in the bottom plate at a position corresponding to the punching groove.

9. The uniform punching device for processing a water pump cover according to claim 1, characterized in that, The punching method is as follows: (1) In the initial state, the upper die and the push column are at the highest positions of their strokes. The water pump cover to be punched is buckled on the convex ring part. At this time, the inner wall of the water pump cover is in contact with the punching seat. Start the cylinder. The output end of the cylinder pushes the central shaft and the gland to move backward until the gland is in contact with the water pump cover. (2) Move the upper die downward. Under the sliding limit of the straight groove and the first position-limiting hole, the push column vertically moves downward until it is in contact with the cushion block. During this process, the push block pushes the tail end of the rightmost tooth-shaped projection to make the runner rotate clockwise. Correspondingly, the leftmost tooth-shaped projection pushes the locking block to move toward the bolt. When the runner rotates by an angle of one tooth-shaped projection, the locking block resets under the action of the spring. The runner remains stable under the double limit of the push block and the locking block. At this time, the push column is in contact with the cushion block, and the lower end of the ejector rod penetrates through the predetermined punching position of the water pump cover and inserts into the punching groove. (3) In the previous step, the gland, the water pump cover, the runner and the rotating ring rotate synchronously. The rolling connection between the spherical beads and the position-limiting grooves enables this synchronous rotation process to proceed smoothly. (4) The washed waste leaks out through the through hole inside the fixed shaft and the leakage hole inside the bottom plate; (5) Move the upper die upward until it is reset. During this process, the push block pushes the rightmost gear. Under the action of friction, the wheel rotates slightly counterclockwise. The angle design of the right end of the lock block, especially the inclined design of the upper right end, combined with the contraction of the spring, allows the wheel to rotate slightly counterclockwise smoothly, and then the push column can be reset smoothly. The wheel automatically returns to the state before the slight counterclockwise rotation, and the side hole punching work is completed; (6) Repeat the above process until the side holes on the entire circumference of the water pump cover are drilled.

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