Stamping reaming device
The automated design of the punching reaming device solves the problems of rapid tool wear and low automation in traditional reaming processes, achieving efficient and low-cost reaming and meeting the needs of modern production lines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-14
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional hole reaming processes suffer from problems such as rapid tool wear, unstable machining accuracy, and low automation, resulting in low production efficiency and high maintenance costs.
The stamping and expanding device utilizes expanding balls and return ball assemblies to achieve automated processing. Through the coordinated control of the ball pressing and return ball assemblies, combined with the cooperation of the detection mechanism and clamping arms, automatic loading and unloading and the recycling of expanding balls are achieved, ensuring processing accuracy and efficiency.
It improves the automation and consistency of the processing, reduces the wear and replacement frequency of the expanding ball, reduces maintenance costs, and adapts to the needs of continuous and batch production.
Smart Images
Figure CN121715465A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of mechanical processing equipment, in particular to a stamping reaming device. BACKGROUND
[0002] Reaming is an important process in modern industrial production, which is often used for finishing the to-be-reamed diameter of a part to improve the size accuracy and surface quality of the to-be-reamed hole of the part after rough machining. Traditional reaming processing usually adopts rotary cutting tools such as drill bits and milling cutters to achieve cutting and shaping of the hole wall through rotation and feed of the tool. However, such methods have the following limitations in practical application: Firstly, the cutting edge of the drill bit or milling cutter is prone to wear, chipping or thermal deformation during long-time continuous processing. Secondly, the drill bit or milling cutter will be worn during use, and its size will gradually deviate from the set value, especially causing the processed hole diameter to be smaller, which directly affects the workpiece fitting accuracy and assembly quality. In order to maintain processing accuracy, frequent maintenance, grinding or tool replacement is necessary, which not only increases maintenance cost, but also disrupts production rhythm and reduces production efficiency.
[0003] In addition, the traditional method relies on manual feeding and discharging and operation adjustment, and the degree of automation is limited, which is difficult to meet the requirements of modern production line for continuity, consistency and high efficiency.
[0004] Therefore, there is an urgent need for a reaming device that can realize automatic feeding and discharging, automatic processing, low cost and high processing efficiency to overcome the above-mentioned defects of the prior art. SUMMARY
[0005] In order to achieve the above-mentioned purpose, the present application provides a stamping reaming device, which comprises a reaming ball, a reaming platform for fixing a part, a ball pressing assembly located above the reaming platform, and a ball returning assembly; the ball pressing assembly comprises a stamping die head arranged vertically, and a funnel member; the side wall of the funnel member is provided with a ball returning port, and the bottom of the funnel member is provided with a ball pressing port; the to-be-reamed hole of the part, the ball pressing port and a pre-set ball falling hole on the reaming platform are vertically aligned; the stamping end of the stamping die head presses the reaming ball rolled into the ball pressing port to extrude and penetrate the to-be-reamed hole of the part and then enters the ball falling hole; the ball returning assembly comprises a ball collector located below the reaming platform and having an upper port communicated with the ball falling hole, and a ball returning pipe having two ports respectively communicated with the ball returning port and the lower port of the ball collector; the reaming ball enters the ball falling hole and then falls into the ball collector; the ball collector is used for temporarily storing the reaming ball and transferring the reaming ball into the ball returning pipe; and the ball returning pipe is connected with an external air source to transport the reaming ball transferred into the ball returning pipe back into the funnel member.
[0006] Further, the ball collector further comprises a transfer unit arranged at the bottom, and the transfer unit is provided with an extendable end; and the extendable end only pushes one reaming ball in the ball collector into the ball returning pipe at a time.
[0007] Further, the telescopic end of the reaming ball in the extended state blocks the lower port of the ball collector during the conveying process of the ball return pipe.
[0008] Further, the reaming device further comprises a detection mechanism, and the side wall of the ball pressing port is provided with an observation hole, the detection mechanism is used for detecting the reaming ball in the ball pressing port through the observation hole, and a control signal is sent according to the detection result.
[0009] Further, the reaming platform is further provided with a first clamping arm and a second clamping arm arranged oppositely, and the first clamping arm and the second clamping arm are used for fixing the parts in cooperation with each other.
[0010] Further, a discharge port is arranged below the second clamping arm.
[0011] Further, an upper feeding box is arranged above the first clamping arm; the upper feeding box is a lower opening structure, and the parts to be processed contained in the upper feeding box are supported on the first clamping arm.
[0012] Further, the diameters of the reaming ball and the stamping end of the stamping die are configured according to the target hole diameter size of the parts to be reamed.
[0013] Further, the reaming device further comprises a ball replacing module, the ball replacing module comprises a ball replacing device arranged above the reaming platform and a retractable ball blocking block and a recovery basket arranged at the bottom of the ball collector; the ball replacing device is communicated with the ball collector through a pipeline and is used for accurately feeding a set number of reaming balls into the ball collector; the bottom of the ball collector is further provided with a recovery port communicated with the recovery basket, and the extension and contraction of the ball blocking block correspond to the closing and opening of the recovery port.
[0014] The reaming device has the advantages that: 1) the degree of automation is high, and the processing efficiency is high; 2) in the stamping process, the reaming ball and the part to be reamed are in linear contact, and the wear is small; and when multiple reaming balls are cyclically stamped, the wear of the reaming balls is evenly distributed, the replacement period of the reaming balls is prolonged, and the processing cost is reduced; 3) the reaming device is suitable for continuous and batch workpiece processing, and the processing consistency is good; 4) the diameter of the reaming ball is the target processing size, different sizes of reaming balls can be set according to different processing sizes, the processing hole diameter range is large, and the adaptability is strong. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of a reaming device.
[0016] Figure 2 It is a partial view of A. Figure 1 It is a partial view of B.
[0017] Figure 3 It is a side view of a reaming device.
[0018] Figure 4 It is a partial view of A. Figure 3 It is a B-B sectional view.
[0019] Figure 5 For Figure 4 C partial schematic view.
[0020] Figure 6 For Figure 5 C partial reaming ball through part schematic view.
[0021] Figure 7 For ball changer schematic view.
[0022] Figure 8 For a reaming device side view Figure 2 .
[0023] Figure 9 For Figure 8 D-D cross-sectional view.
[0024] Figure 10 For Figure 9 E partial schematic view.
[0025] Figure 11 For funnel piece schematic view.
[0026] Figure 12 For ball return tube schematic view.
[0027] Wherein, 1-reaming ball; 2-reaming platform; 21-falling ball hole; 22-discharge port; 3-ball pressing assembly; 31-punching die head; 32-funnel piece; 321-ball return port; 322-ball pressing port; 3221-observation hole; 4-ball return assembly; 41-ball collector; 42-ball return tube; 421-transfer unit; 4211-telescopic end; 43-recovery port; 5-detection mechanism; 61-first clamping arm; 62-second clamping arm; 7-feeding box; 8-part; 9-ball changing module; 91-ball blocking block; 92-recovery basket; 93-ball changer. Specific embodiments
[0028] In order to more fully explain the present application, the following will be described in detail in conjunction with the drawings. The preferred embodiments of the present application are shown in the drawings. However, it is worth noting that the present application is not limited to these specific forms, it can be implemented in various ways. The purpose of providing these embodiments is to enable the reader to have a more in-depth understanding of the present application.
[0029] Referring to the drawings Figures 1-8As shown, in the embodiment, the punch reaming device of the application mainly consists of a reaming ball 1, a reaming platform 2 for fixing the part 8, a ball pressing assembly 3 and a ball returning assembly 4, and is suitable for high-precision and high-efficiency reaming of the part 8; the upper surface of the reaming platform 2 serves as the reference surface of the reaming device, the ball pressing assembly 3 and the ball returning assembly 4 above the reaming platform 2 are matched to realize the machining of the part 8 to be reamed and the circulation of the reaming ball 1.
[0030] Further, the reaming platform 2 is provided with a ball falling hole 21, and the diameter of the ball falling hole 21 is greater than the diameter of the reaming ball 1, so that the reaming ball 1 can smoothly fall down from the ball falling hole 21.
[0031] Referring to the accompanying drawings, Figure 1 and 3 As shown, in the embodiment, the reaming platform 2 is provided with a first clamping arm 61 and a second clamping arm 62 arranged oppositely, and the two clamping arms are matched to fix the part 8; specifically, the first clamping arm 61 is also used for feeding the part 8 to be machined, and a feeding box 7 is fixedly installed above the first clamping arm 61; the part 8 to be machined contained in the feeding box 7 is supported on the first clamping arm 61; when the first clamping arm 61 is contracted to the shortest stroke, one part 8 to be machined in the feeding box 7 loses support and falls down; then the first clamping arm 61 pushes the part 8, so that the part 8 to be reamed is aligned with the ball falling hole 21 and is fixed in cooperation with the second clamping arm 62, and the automatic feeding of the part 8 to be machined is completed; the second clamping arm 62 is provided with a discharge port 22 below, and after the part 8 to be reamed is machined, the second clamping arm 62 is contracted and the first clamping arm 61 is extended, the finished part 8 is pushed into the discharge port 22 to complete the discharging, so that the finished part 8 slides to the outside for the transferring or collecting process, and then the first clamping arm 61 feeds, and the machining of the next part to be machined is carried out, realizing the full-automatic feeding and discharging without manual intervention.
[0032] Referring to the accompanying drawings, Figure 4 and 5 As shown, in the embodiment, the ball pressing assembly 3 includes a punch die head 31 and a funnel member 32 arranged in an up-down manner; specifically, the side wall of the funnel member 32 is provided with a ball returning port 321, and the bottom of the funnel member 32 is provided with a ball pressing port 322; the part 8 to be reamed, the ball pressing port 322 and the ball falling hole 21 pre-provided on the reaming platform 2 are vertically aligned; the punch end of the punch die head 31 can move in the vertical direction, and when it is pressed downward, it presses the reaming ball 1 rolled to the ball pressing port 322, the reaming ball 1 extrudes the wall of the part 8 to be reamed, and after penetrating the part 8 to be reamed, it enters the ball falling hole 21, so that the reaming ball 1 enters the ball returning assembly 4.
[0033] Preferably, the stamping die 31 is hydraulically driven, and the diameter of the stamping end of the stamping die 31 is smaller than the diameter of the hole to be expanded and the ball drop hole 21 of the part 8, so as to avoid direct contact between the stamping end of the stamping die 31 and the part 8; and the lower end of the stamping end of the stamping die 31 is preferably a concave arc surface, so as to produce a positioning effect on the expanded ball 1 when pressing down.
[0034] See appendix Figure 5 , 6 As shown in Figures 7 and 8, in this embodiment, the ball return assembly 4 is used for the recovery and cyclic transport of the expanded ball 1, including a ball collector 41 and a ball return pipe 42. The ball collector 41 is located below the expanded platform 2, and its upper port is connected to the ball drop hole 21 to receive the expanded ball 1 entering the ball drop hole 21. The ball return assembly 4 includes a ball collector 41 located below the expanded platform 2 with its upper port connected to the ball drop hole 21, and two ports connected to the ball return port 3 respectively. The ball collector 41 is connected to the lower end of the ball collector 41 via a return tube 42. Specifically, the inner cavity of the ball collector 41 is a vertical cylinder, in which the expanded ball 1 that falls from the ball drop hole 21 into the ball collector 41 is temporarily stored. The bottom of the ball collector 41 is provided with a transfer unit 421, which is provided with a telescopic end 4211. Under normal conditions, the telescopic end 4211 retracts to its shortest stroke, and the telescopic end 4211 only pushes one expanded ball 1 in the ball collector 41 into the return tube 42 at a time.
[0035] Furthermore, the return tube 42 is connected to an external air source. The high-speed airflow in the return tube 42 will be transferred to the expanded ball 1 in the return tube 42 and rolled back into the funnel 32. During the conveying process of the expanded ball 1 in the return tube 42, the telescopic end 4211 in the extended state blocks the lower port of the ball collector 41, forming a temporary seal to prevent airflow from leaking out of the ball collector 41. This ensures that a stable unidirectional high-speed airflow is formed in the return tube 42, which quickly and smoothly blows the expanded ball 1 back into the funnel 32. After the expanded ball 1 has completely left the return tube 42, the telescopic end 4211 retracts, allowing the next expanded ball 1 to fall to the bottom under the action of gravity. The lower port of the ball collector 41 reopens, waiting for the next transfer.
[0036] Preferably, the transfer unit 421 is hydraulically driven to ensure timely movement.
[0037] Preferably, in this embodiment, the ball collector 41 contains multiple expanding balls 1. During the processing of part 8, the multiple expanding balls 1 participate in the stamping in a cycle, and the wear of the expanding balls 1 is evenly distributed, so as to extend the replacement cycle of the expanding balls 1 and reduce costs.
[0038] See appendix Figure 1 and 2As shown, in this embodiment, the expanding device is provided with a detection mechanism 5, and the side wall of the ball-pressing port 322 of the funnel component 32 is provided with an observation hole 3221. The detection mechanism 5 detects the expanding ball 1 in the ball-pressing port 322 through the observation hole 3221, and sends a control signal according to the detection result. When the ball-pressing port 322 is detected to have an expanding ball 1, the stamping end of the stamping die head 31 is pressed down in a controlled manner. When the ball-pressing port 322 is detected to have no expanding ball 1, the ball return assembly 4 is controlled to roll an expanding ball 1 in the ball collector 41 into the funnel component 32.
[0039] Preferably, in this embodiment, the detection mechanism 5 is an infrared rangefinder, which sends control signals to the stamping die head 31 and the ball return assembly 4 according to the different numerical signals generated by the presence or absence of the expanded ball 1 in the ball pressing port 322.
[0040] Specifically, in this embodiment, the actual processing is as follows: After the first clamping arm 61 and the second clamping arm 62 cooperate to complete the feeding, since there is no expanded ball 1 in the ball pressing port 322, the detection mechanism 5 sends a control signal to the transfer unit 421. The transfer unit 421 is extended under control, pushing an expanded ball 1 located at the bottom of the ball collector 41 into the return tube 42. The telescopic end 4211, which is in the extended state, blocks the lower port of the ball collector 41. Subsequently, the external air source is activated, and the expanded ball 1 that has entered the return tube 42 is blown back by the high-speed airflow. The ball 1 falls into the ball-pressing opening 322 through the funnel part 32. At this time, the detection mechanism 5 controls the stamping end of the stamping die 31 to press down, and the expanding ball 1 is pressed through the hole to be expanded in the part 8. In the process, it squeezes the wall of the hole to be expanded in the part 8, completing one processing step. As a result, the expanding ball 1 enters the ball-dropping hole 21 and falls into the ball collector 41 for temporary storage. At this time, the detection mechanism 5 detects again that there is no expanding ball 1 in the ball-pressing opening 322. The ball return assembly 4 is controlled to roll the expanding ball 1 in the ball collector 41 back into the funnel part 32, forming a processing cycle.
[0041] Further, until the expanding ball 1 can pass smoothly through the part 8, that is, when the pressure required for the stamping die head 31 to press down the expanding ball 1 is suddenly reduced, the part 8 is processed. At this time, the first clamping arm 61 and the second clamping arm 62 cooperate to push the finished part 8 into the discharge port 22. Then the first clamping arm 61 retracts and pushes out the next part 8 to be processed, and cooperates with the second clamping arm 62 to clamp it, and the processing cycle is started again.
[0042] Furthermore, in this embodiment, the stamping die 31 adjusts the stamping stroke and stamping force according to the thickness of different parts 8 to ensure stable hole expansion quality.
[0043] See appendix Figure 7 , 8As shown in Figures 9 and 10, in this embodiment, the device is also equipped with a ball-changing module 9 for quick replacement of the expanding balls 1 to adapt to different hole diameter processing requirements or replacement of worn expanding balls 1. This includes a ball changer 93 located above the expanding platform 2, and a retractable ball-blocking block 91 and a recycling basket located at the bottom of the ball collector 41. The ball changer 93 is connected to the ball collector 41 via a pipe. The ball changer 93 has a built-in counting sensor that can feed a set number of expanding balls 1 into the ball collector 41 each time a ball is changed. The ball collector 41 has a bottom... A corresponding recycling port 43 is provided, which is connected to the recycling basket 92. During the processing, the ball-blocking block 91 remains extended to close the recycling port 43. When the expanded ball 1 needs to be replaced, the ball-blocking block 91 is controlled to retract, the recycling port 43 is opened, and the expanded ball 1 to be replaced in the ball collector 41 falls into the recycling basket under the action of gravity to complete the recycling. Then the ball-blocking block 91 extends again to close the recycling port 43, and the ball changer 93 then sends a new expanded ball 1 into the ball collector 41. The entire ball replacement process does not require manual disassembly of the device, realizing automated and rapid switching.
[0044] In summary, this embodiment achieves precision hole enlargement of part 8 through the stamping of the enlargement ball 1. The detection mechanism 5 coordinates the control of the ball pressing assembly 3 and the ball return assembly 4 to ensure the continuity of the automatic processing cycle. At the same time, with the coordinated action of the first clamping arm 61 and the second clamping arm 62, reliable fixation and automated loading and unloading of part 8 are achieved. Thus, efficient, automated and low-cost automated hole enlargement processing is realized, providing a reasonable and efficient hole enlargement device.
[0045] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Any modifications or variations made by those skilled in the art, without departing from the scope of the present invention, using the disclosed technical content, are equivalent embodiments of the present invention. Therefore, all equivalent changes made based on the concept of the present invention without departing from the scope of the present invention should be covered within the protection scope of the present invention.
Claims
1. A punching and expanding device, characterized in that: The device includes a reaming ball (1), a reaming platform (2) for fixing the part (8), a ball-pressing assembly (3) located above the reaming platform (2), and a ball-returning assembly (4). The ball-pressing assembly (3) includes a stamping die (31) arranged vertically and a funnel (32). The funnel (32) has a ball-returning port (321) on its side wall and a ball-pressing port (322) at its bottom. The part (8) to be reamed, the ball-pressing port (322), and the ball-dropping hole (21) pre-set on the reaming platform (2) are vertically aligned. The stamping end of the stamping die (31) presses down on the reaming ball (1) that is rolled to the ball-pressing port (322) to press the reaming ball. (1) After being squeezed and penetrated through the part (8), the ball enters the ball drop hole (21); the ball return assembly (4) includes a ball collector (41) located below the hole expansion platform (2) and whose upper port is connected to the ball drop hole (21), and a ball return pipe (42) whose two ports are connected to the ball return port (321) and the lower port of the ball collector (41) respectively; after the hole expansion ball (1) enters the ball drop hole (21), it falls into the ball collector (41), the ball collector (41) is used to temporarily store the hole expansion ball (1) and transfer the hole expansion ball (1) to the ball return pipe (42); the ball return pipe (42) is connected to an external air source to transport the hole expansion ball (1) transferred to the ball return pipe (42) back to the funnel part (32).
2. The punching and expanding device according to claim 1, characterized in that: The ball collector (41) also includes a transfer unit (421) located at the bottom. The transfer unit (421) is provided with a telescopic end (4211), and the telescopic end (4211) only pushes one enlarged ball (1) in the ball collector (41) into the return tube (42) when it extends once.
3. The punching and expanding device according to claim 2, characterized in that: During the conveying process of the ball expansion ball (1) in the return ball tube (42), the telescopic end (4211) in the extended state blocks the lower port of the ball collector (41).
4. The punching and expanding device according to claim 1, characterized in that: The expanding device also includes a detection mechanism (5), and the side wall of the ball pressing port (322) is provided with an observation hole (3221). The detection mechanism (5) is used to detect the expanding ball (1) in the ball pressing port (322) through the observation hole (3221) and issue a control signal according to the detection result.
5. The punching and expanding device according to claim 1, characterized in that: The enlargement platform (2) is also provided with a first clamping arm (61) and a second clamping arm (62) arranged opposite to each other. The first clamping arm (61) and the second clamping arm (62) cooperate with each other to fix the part (8).
6. The punching and expanding device according to claim 5, characterized in that: The second clamping arm (62) has a discharge port (22) below it.
7. A punching and expanding device according to claim 5, characterized in that: A loading box (7) is provided above the first clamping arm (61); the loading box (7) has a bottom opening structure, and the parts (8) to be processed contained in the loading box (7) are supported on the first clamping arm (61).
8. The punching and expanding device according to claim 1, characterized in that: The diameters of the expanding ball (1) and the stamping end of the stamping die (31) are configured according to the target hole diameter of the part (8) to be expanded.
9. A punching and expanding device according to claim 1, characterized in that: The hole-expanding device also includes a ball-changing module (9), which includes a ball-changing device (93) located above the hole-expanding platform (2), and a retractable ball-blocking block (91) and a recycling basket (92) located at the bottom of the ball collector (41). The ball-changing device (93) is connected to the ball collector (41) through a pipe and is used to accurately feed a set number of hole-expanding balls (1) into the ball collector (41). The bottom of the ball collector (41) is also provided with a recycling port (43) connected to the recycling basket (92). The extension and retraction of the ball-blocking block (91) correspond to the closing and opening of the recycling port (43).