Inner hole shaping equipment
By combining the steel ball transport assembly with the automated loading and unloading assembly, the internal hole shaping equipment has been automated, solving the problem of low efficiency of existing equipment, improving processing accuracy and production speed, and reducing safety risks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG XINHE POWDER METALLURGY PROD CO LTD
- Filing Date
- 2025-02-20
- Publication Date
- 2026-04-10
AI Technical Summary
Existing internal shaping equipment lacks automation in the steel ball extrusion process, resulting in low processing efficiency and safety risks, and cannot meet the needs of mass production.
By employing a steel ball transport assembly, combined with an air blowing device, a conveying device, and an air-sealing device, efficient and flexible transport of steel balls is achieved. Furthermore, through the cooperation of an automated loading and unloading assembly and a stamping assembly, automated shaping of the inner hole of the workpiece is realized.
It improves the efficiency and precision of internal hole shaping, reduces errors and safety hazards caused by manual operation, and meets the needs of mass production.
Smart Images

Figure CN224101538U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to workpiece processing equipment technical field especially relates to a hole shaping equipment. BACKGROUND
[0002] In the stamping, casting or machining process, the size and shape of the workpiece inner hole may have certain error, through the shaping process, the size and shape of the inner hole can be accurately adjusted, and the precision of the workpiece inner hole surface is improved, so as to improve the overall quality of the workpiece. Steel ball extrusion processing method is a commonly used inner hole shaping method, which is to use steel ball to extrude the inner hole to process the required inner hole. Steel ball extrusion processing method has high processing efficiency, and can reduce material waste in the processing process, thereby reducing production cost. At the same time, due to the close contact and accurate control between the steel ball and the workpiece, the steel ball extrusion processing method can process high-precision inner hole. This method is suitable for inner hole machining of various mechanical parts, especially for difficult-to-machine materials and complex-shaped inner holes, and the steel ball extrusion processing method shows significant advantages.
[0003] Nowadays, with the continuous improvement of mechanization level, steel ball extrusion processing technology is combined with mechanical equipment. However, in the prior art, the inner hole shaping equipment using steel ball extrusion processing method has not been completely automated. In the processing process, manual assistance is still needed to place the steel ball in the appropriate position and apply stamping to the steel ball to achieve the purpose of inner hole shaping. However, this manual method reduces the automation level, resulting in low processing efficiency and unable to meet the needs of mass production. In addition, manual intervention also brings potential safety risks. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide an inner hole shaping equipment, which realizes steel ball extrusion processing method through automatic means, thereby accurately shaping the workpiece inner hole, and further improves the processing precision and efficiency to meet the needs of batch production.
[0005] In order to solve the above technical problems, the technical scheme provided by the utility model is as follows:
[0006] An inner hole shaping equipment, comprising a feeding assembly, a stamping assembly, a discharging assembly and a rack, the feeding assembly, the stamping assembly and the discharging assembly are fixedly installed on the rack, the feeding assembly and the discharging assembly are respectively arranged on both sides of the lower end of the stamping assembly, further comprising a steel ball conveying assembly, the steel ball conveying assembly is arranged below the stamping assembly, the steel ball conveying assembly comprises a blowing device, a conveying device and a closing device, the conveying device comprises a conveying pipe and a guide part, the guide part is connected with the stamping assembly, one end of the conveying pipe is communicated with the guide part, the other end is communicated with the blowing device, and the closing device is fixedly arranged on the upper end of the blowing device.
[0007] The steel ball conveying assembly is adopted, the blowing device, the conveying device and the air closing device are combined, the efficient and flexible conveying of the steel ball is realized, and the ideal inner hole shaping effect is achieved. Specifically, after the equipment is started, the air closing device closes the upper end of the blowing device, the blowing device is a common gas conveying device on the market, the gas is injected into the conveying pipe through the blowing device, the conveying pipe conveys the steel ball to the guide part and makes it fall onto the workpiece to be shaped. Then, the stamping assembly moves downward to stamp the steel ball so that the steel ball passes through the inner hole of the workpiece and reaches the lower side of the workpiece; at the same time, the air closing device is in an open state, and the steel ball sequentially passes through the air closing device and the blowing device to slide into the conveying pipe, so that a cycle of inner hole shaping is completed. By using this method, the steel ball can repeatedly perform the above process. In combination with the automatic feeding and discharging functions of the feeding assembly and the discharging assembly, the automatic and batch shaping of the inner hole of the workpiece is realized. This not only improves the shaping efficiency and production speed, but also reduces the machining errors and safety hazards that may be caused by manual operation. The design of the guide part is conducive to accurately conveying the steel ball onto the workpiece, and cooperates with the stamping assembly, so as to ensure the quality of the inner hole machining of the workpiece.
[0008] Further, the air closing device comprises a matching part, an air closing plate and an air closing cylinder, the air closing plate is fixedly connected with a piston rod of the air closing cylinder, the air closing plate is in sliding fit with the matching part, the matching part is provided with a first through hole, the air closing plate can cover the first through hole under the driving of the air closing cylinder, and the first through hole is in communication with the blowing device. The air closing device has a relatively simple structure, the air closing plate slides in the matching part under the action of the air closing cylinder, and the closing and opening of the first through hole are realized. When the first through hole is closed, the air injected into the conveying pipe by the blowing device conveys the steel ball to the workpiece position; when the first through hole is opened, the steel ball can smoothly fall from above the workpiece into the conveying pipe, so that the conveying process of the steel ball is realized.
[0009] As a preferred embodiment, the stamping assembly comprises a supporting seat, a stamping cylinder, a ejector pin and a supporting assembly, the supporting seat and the supporting assembly are fixedly installed on the rack, the ejector pin is fixedly connected with a piston rod of the stamping cylinder, the piston rod of the stamping cylinder drives the ejector pin to move in the vertical direction, the supporting seat is provided with a second through hole, the second through hole is on the same axis as the ejector pin, and the second through hole is in communication with the first through hole. As a power source, the stamping cylinder drives the ejector pin to move linearly in the vertical direction through the piston rod, so as to ensure the stability and accuracy of the stamping action and realize the accurate pushing of the steel ball. The second through hole on the supporting seat is on the same axis as the ejector pin, so as to ensure that after the ejector pin pushes the steel ball downward, the steel ball can directly fall into the first through hole from the second through hole and then fall into the conveying pipe below, so as to ensure that the steel ball moves along the predetermined path, thereby being conducive to the realization of the automatic conveying process of the steel ball.
[0010] As preferred, the guide part is provided with a needle channel and a steel ball conveying channel, the needle channel is coaxially arranged with the needle, the needle is in sliding fit with the needle channel, one end of the steel ball conveying channel is fixedly connected with the conveying pipe, the other end is communicated with the lower end of the needle channel, and the needle channel is located above the supporting seat. The coaxial arrangement of the needle channel and the needle ensures the high accuracy and stability of the needle during the sliding fit process, which helps to realize the accurate stamping of the steel ball, thereby improving the accuracy and reliability of the operation. The design of the steel ball conveying channel enables the steel ball to smoothly enter the guide part from the conveying pipe and be accurately positioned and conveyed through the communication with the lower end of the needle channel, simplifying the conveying process of the steel ball and improving the operation efficiency.
[0011] As preferred, the supporting seat is provided with a supporting groove, the feeding assembly and the discharging assembly are respectively communicated with the supporting groove, the needle channel is located above the supporting groove, and the second through hole is arranged on the supporting groove. The supporting groove arranged on the supporting seat serves as a temporary storage area for the workpieces to be processed, effectively optimizing the circulation path of the workpieces. The feeding assembly and the discharging assembly are respectively communicated with the supporting groove, ensuring that the workpieces can smoothly enter the supporting groove from the feeding assembly and be smoothly discharged from the discharging assembly after the inner hole shaping is completed, thereby improving the smoothness and efficiency of the entire production line. At the same time, the design of the supporting groove ensures the accurate positioning of the workpieces to be processed during the inner hole shaping process, which helps to reduce the shaping errors caused by material deviation or misplacement, thereby improving the quality and consistency of the products.
[0012] As preferred, the feeding assembly includes a vibrating disc, a feeding part and a pushing device, one end of the feeding part is fixedly connected with the vibrating disc, the other end is communicated with the supporting seat, and the pushing device is arranged on one side of the feeding part. The feeding assembly integrates the vibrating disc, the feeding part and the pushing device, forming a complete automatic feeding system. The vibrating disc is responsible for orderly arranging and conveying the scattered materials to the feeding part, and the pushing device is responsible for pushing the materials from the feeding part to the supporting seat. This design greatly reduces manual operation and improves the automation level of the production line.
[0013] As preferred, the discharging assembly includes a discharging push plate, a push cylinder and a discharging part, one end of the discharging push plate is fixedly connected with the piston rod of the push cylinder, the other end is in sliding fit with the supporting groove, and the discharging part is arranged on the side of the supporting seat away from the push cylinder and is fixedly connected with the supporting seat. The presence of the discharging device achieves the purpose of automatic discharging of the production line system, significantly reduces the need for manual intervention, improves the automation level of the production line, and effectively reduces the labor intensity.
[0014] In summary, by using this inner hole shaping device, the steel ball extrusion processing method is realized through automatic means, thereby accurately shaping the inner hole of the workpiece, and improving the machining precision and efficiency to meet the needs of mass production. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further described below in combination with the drawings and specific embodiments:
[0016] Figure 1 It is general assembly structure schematic diagram of the utility model;
[0017] Figure 2 It is sectional view of steel ball transport assembly of the utility model;
[0018] Figure 3 It is the utility model Figure 2 Partial close-up view at A shown in the figure;
[0019] Figure 4 It is part structure schematic diagram of the utility model Figure 1 ;
[0020] Figure 5 It is part structure schematic diagram of the utility model Figure 2 ;
[0021] Figure 6 It is part structure schematic diagram of the utility model Figure 3 ;
[0022] Wherein: feeding assembly-1, vibration disc-11, feeding part-12, pusher device-13, stamping assembly-2, supporting seat-21, second through hole-211, supporting groove-212, stamping cylinder-22, ejector pin-23, support assembly-24, discharging assembly-3, discharging push plate-31, push cylinder-32, discharging part-33, rack-4, steel ball transport assembly-5, blowing device-51, conveying device-52, conveying pipe-521, guide part-522, ejector pin channel-5221, steel ball conveying channel-5222, air closing device-53, matching part-531, first through hole-5311, air closing plate-532, air closing cylinder-533. Specific embodiments
[0023] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in combination with the drawings and examples, and the utility model is further described in detail.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.
[0024] In the description of the utility model, it should be understood that the orientation and position relationship indicated by "up", "down", "left", "right", "front", "back", "vertical", "bottom", "inner", "outer" and the like are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not used to indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, so it can not be understood as a limitation on the utility model.
[0025] As Figures 1 to 5 shown, an inner hole shaping device, comprising a feeding assembly 1, a stamping assembly 2, a discharging assembly 3 and a rack 4, the feeding assembly 1, the stamping assembly 2 and the discharging assembly 3 are fixedly installed on the rack 4, the feeding assembly 1 and the discharging assembly 3 are respectively arranged on both sides of the lower end of the stamping assembly 2, further comprising a steel ball conveying assembly 5, the steel ball conveying assembly 5 is arranged below the stamping assembly 2, the steel ball conveying assembly 5 comprises a blowing device 51, a conveying device 52 and a closing device 53, the conveying device 52 comprises a conveying pipe 521 and a guide part 522, the guide part 522 is connected with the stamping assembly 2, one end of the conveying pipe 521 is communicated with the guide part 522, and the other end is communicated with the blowing device 51, and the closing device 53 is fixedly arranged on the upper end of the blowing device 51.
[0026] The steel ball conveying assembly 5 is adopted in the scheme, the efficient and flexible conveying of the steel ball is realized by combining the blowing device 51, the conveying device 52 and the closing device 53, and thus the ideal inner hole shaping effect is achieved. Specifically, after the device is started, the closing device 53 closes the upper end of the blowing device 51, the blowing device 51 is a common gas conveying device on the market, the gas is injected into the conveying pipe 521 through the blowing device 51, and the conveying pipe 521 conveys the steel ball to the guide part 522 and makes it fall onto the workpiece to be shaped. Then, the stamping assembly 2 moves downward to stamp the steel ball so that the steel ball passes through the inner hole of the workpiece and reaches the lower side of the workpiece; at the same time, the closing device 53 is in an open state, and the steel ball sequentially passes through the closing device 53 and the blowing device 51 and then slides into the conveying pipe 521, so that one cycle of inner hole shaping is completed. By using this method, the steel ball can repeatedly perform the above process. In combination with the automatic feeding and discharging functions of the feeding assembly 1 and the discharging assembly 3, the automatic and batch shaping of the inner hole of the workpiece is realized. This not only improves the shaping efficiency and production speed, but also reduces the machining errors and safety hazards that may be caused by manual operation. The design of the guide part 522 is conducive to accurately conveying the steel ball to the workpiece, and cooperates with the stamping assembly 2, so as to ensure the quality of the inner hole machining of the workpiece.
[0027] Further, the air closing device 53 comprises a matching part 531, an air closing plate 532 and an air closing cylinder 533, the air closing plate 532 is fixedly connected with the piston rod of the air closing cylinder 533, the air closing plate 532 is in sliding fit with the matching part 531, the matching part 531 is provided with a first through hole 5311, the air closing plate 532 can cover the first through hole 5311 under the driving of the air closing cylinder 533, and the first through hole 5311 is in communication with the air blowing device 51. The air closing device 53 has a relatively simple structure, and the air closing plate 532 slides in the matching part 531 under the action of the air closing cylinder 533, so as to realize the closing and opening of the first through hole 5311. When the first through hole 5311 is closed, the air injected into the conveying pipe 521 by the air blowing device 51 can transport the steel ball to the workpiece position; when the first through hole 5311 is opened, the steel ball can smoothly fall from above the workpiece into the conveying pipe 521, thereby realizing the conveying process of the steel ball.
[0028] As preferred, the stamping assembly 2 comprises a supporting seat 21, a stamping cylinder 22, a ejector pin 23 and a supporting assembly 24, the supporting seat 21 and the supporting assembly 24 are fixedly installed on the rack 4, the ejector pin 23 is fixedly connected with the piston rod of the stamping cylinder 22, the piston rod of the stamping cylinder 22 pushes the ejector pin 23 to move in the vertical direction, the supporting seat 21 is provided with a second through hole 211, the second through hole 211 is on the same axis with the ejector pin 23, and the second through hole 211 is in communication with the first through hole 5311. The stamping cylinder 22 as a power source pushes the ejector pin 23 to move linearly in the vertical direction through the piston rod, which ensures the stability and accuracy of the stamping action and realizes the accurate pushing of the steel ball. The second through hole 211 provided on the supporting seat 21 is on the same axis with the ejector pin 23, which ensures that after the ejector pin 23 pushes the steel ball downward, the steel ball can directly fall into the first through hole 5311 from the second through hole 211 and then fall into the conveying pipe 521 below, thereby ensuring the steel ball to move along the predetermined path, which is conducive to the realization of the automatic transportation process of the steel ball.
[0029] As preferred, the guide part 522 is provided with an ejector pin channel 52211 and a steel ball conveying channel 5222, the ejector pin channel 52211 is coaxially arranged with the ejector pin 23, the ejector pin 23 is in sliding fit with the ejector pin channel 52211, one end of the steel ball conveying channel 5222 is fixedly connected with the conveying pipe 521, the other end is in communication with the lower end of the ejector pin channel 52211, and the ejector pin channel 52211 is located above the supporting seat 21. The coaxial arrangement of the ejector pin channel 52211 and the ejector pin 23 ensures that the ejector pin 23 maintains high accuracy and stability during the sliding fit process, which is helpful to realize the accurate stamping of the steel ball, thereby improving the accuracy and reliability of the operation. The design of the steel ball conveying channel 5222 enables the steel ball to smoothly enter the guide part 522 from the conveying pipe 521 and realize the accurate positioning and conveying of the steel ball through the communication with the lower end of the ejector pin channel 52211, thereby simplifying the conveying process of the steel ball and improving the operation efficiency.
[0030] Preferably, the supporting groove 212 is arranged on the supporting seat 21, and the feeding assembly 1 and the discharging assembly 3 are communicated with the supporting groove 212, respectively, and the second through hole 211 is arranged on the supporting groove 212. The supporting groove 212 arranged on the supporting seat 21 serves as a temporary storage area for the workpiece to be processed, effectively optimizing the circulation path of the workpiece. The feeding assembly 1 and the discharging assembly 3 are communicated with the supporting groove 212, respectively, ensuring that the workpiece can smoothly enter the supporting groove 212 from the feeding assembly 1 and be smoothly discharged from the discharging assembly 3 after the inner hole shaping is completed, thereby improving the smoothness and efficiency of the entire production line. At the same time, the design of the supporting groove 212 ensures the accurate positioning of the workpiece to be processed during the inner hole shaping process, which helps to reduce shaping errors caused by material deviation or misplacement, thereby improving the quality and consistency of the product.
[0031] Preferably, the feeding assembly 1 comprises a vibrating disc 11, a feeding part 12 and a pushing device 13, one end of the feeding part 12 is fixedly connected with the vibrating disc 11, the other end is communicated with the supporting seat 21, and the pushing device 13 is arranged on one side of the feeding part 12. The feeding assembly 1 integrates the vibrating disc 11, the feeding part 12 and the pushing device 13, forming a complete automatic feeding system. The vibrating disc 11 is responsible for orderly arranging and conveying the scattered materials to the feeding part 12, and the pushing device 13 is responsible for pushing the materials from the feeding part 12 to the supporting seat 21. This design greatly reduces manual operation and improves the automation level of the production line.
[0032] Preferably, the discharging assembly 3 comprises a discharging push plate 31, a push cylinder 32 and a discharging part 33, one end of the discharging push plate 31 is fixedly connected with the piston rod of the push cylinder 32, the other end of the discharging push plate 31 is slidingly matched with the supporting groove 212, and the discharging part 33 is arranged on the side of the supporting seat 21 away from the push cylinder 32 and is fixedly connected with the supporting seat 21. The existence of the discharging device achieves the purpose of automatic discharging of the production line system, significantly reduces the need for manual intervention, improves the automation level of the production line, and effectively reduces the labor intensity.
[0033] In summary, by using this inner hole shaping device, the steel ball extrusion processing method is realized through automatic means, thereby accurately shaping the inner hole of the workpiece, and improving the machining precision and efficiency to meet the needs of batch production.
[0034] In summary, the above only describes preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An inner hole shaping device, comprising a feeding assembly (1), a punching assembly (2), a discharging assembly (3) and a frame (4), the feeding assembly (1), the punching assembly (2) and the discharging assembly (3) are fixedly installed on the frame (4), the feeding assembly (1) and the discharging assembly (3) are respectively arranged on both sides of the lower end of the punching assembly (2), characterized in that: Also include steel ball transport assembly (5), the steel ball transport assembly (5) is arranged below the punch assembly (2), the steel ball transport assembly (5) includes blowing device (51), conveying device (52) and closing gas device (53), the conveying device (52) includes delivery pipe (521) and guide part (522), the guide part (522) is connected with punch assembly (2), one end of the delivery pipe (521) is communicated with the guide part (522), the other end is communicated with blowing device (51), the closing gas device (53) is fixedly arranged on the upper end of blowing device (51).
2. The bore shaping apparatus of claim 1, wherein: The closing gas device (53) includes a matching part (531), a closing gas plate (532) and a closing gas cylinder (533), the closing gas plate (532) is fixedly connected with the piston rod of the closing gas cylinder (533), the closing gas plate (532) is in sliding fit with the matching part (531), the matching part (531) is provided with a first through hole (5311), the closing gas plate (532) can cover the first through hole (5311) under the drive of the closing gas cylinder (533), and the first through hole (5311) is communicated with the blowing device (51).
3. The bore shaping apparatus of claim 2, wherein: The punch assembly (2) includes a supporting seat (21), a punch cylinder (22), a ejector pin (23) and a support assembly (24), the supporting seat (21) and the support assembly (24) are fixedly installed on the rack (4), the ejector pin (23) is fixedly connected with the piston rod of the punch cylinder (22), the piston rod of the punch cylinder (22) drives the ejector pin (23) to move in the vertical direction, the supporting seat (21) is provided with a second through hole (211), the second through hole (211) is located on the same axis as the ejector pin (23), and the second through hole (211) is communicated with the first through hole (5311).
4. The bore shaping apparatus of claim 3, wherein: The guide part (522) is provided with an ejector pin channel (5221) and a steel ball conveying channel (5222), the ejector pin channel (5221) is coaxially arranged with the ejector pin (23), the ejector pin (23) is in sliding fit with the ejector pin channel (5221), one end of the steel ball conveying channel (5222) is fixedly connected with the delivery pipe (521), and the other end is communicated with the lower end of the ejector pin channel (5221), and the ejector pin channel (5221) is located above the supporting seat (21).
5. The bore shaping apparatus of claim 4, wherein: The supporting seat (21) is provided with a supporting groove (212), the feeding assembly (1) and the discharging assembly (3) are communicated with the supporting groove (212) respectively, the ejector pin channel (5221) is located above the supporting groove (212), and the second through hole (211) is arranged on the supporting groove (212).
6. The bore shaping apparatus of claim 3, wherein: The feeding assembly (1) includes a vibrating disc (11), a feeding part (12) and a pushing device (13), one end of the feeding part (12) is fixedly connected with the vibrating disc (11), the other end is communicated with the supporting seat (21), and the pushing device (13) is arranged on one side of the feeding part (12).
7. The bore shaping apparatus of claim 5, wherein: The blanking assembly (3) comprises a blanking push plate (31), a push cylinder (32) and a blanking part (33), one end of the blanking push plate (31) is fixedly connected with a piston rod of the push cylinder (32), the other end of the blanking push plate (31) is slidably matched with the bearing groove (211), and the blanking part (33) is arranged on the side, away from the push cylinder, of the bearing seat (21) and is fixedly connected with the bearing seat (21).