Deburring device for stainless steel powder metallurgy component
By designing a deburring device for stainless steel powder metallurgy parts, a micro-grinding head and a linkage lifting drive mechanism are used to achieve synchronous grinding of irregularly shaped ring-shaped parts, which solves the problem of low efficiency of traditional devices, improves work efficiency and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-31
AI Technical Summary
In existing technologies, after the powder is pressed, residual powder forms burrs on the surface of irregularly shaped stainless steel powder metallurgy parts. Traditional automated grinding devices require frequent replacement of grinding heads, resulting in low work efficiency.
A deburring device for stainless steel powder metallurgy parts was designed, including a base, a deburring mechanism and a linkage lifting drive mechanism. The device simultaneously grinds the outer wall, inner hole and small hole of the irregular ring-shaped part through a micro grinding head and a detachable abrasive disc. The reciprocating movement and grinding of the part are realized by the drive motor and the linkage lifting drive mechanism.
It improves deburring efficiency, reduces costs and maintenance difficulty, facilitates abrasive disc replacement, avoids abrasive disc collision damage, and is easy to operate.
Smart Images
Figure CN224059419U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of powder metallurgy parts processing technology, and more specifically, to a deburring device for stainless steel powder metallurgy parts. Background Technology
[0002] For some irregularly shaped stainless steel parts, due to their complex structure, machining by turning would be inefficient during mass production. Therefore, powder metallurgy technology is often used for their production. A type of irregularly shaped ring-shaped part manufactured using powder metallurgy technology is available. This ring-shaped part is circular, but its outer peripheral wall has multiple planes spaced apart and symmetrically arranged. The inner hole of the ring-shaped part is elliptical, and two grooves are symmetrically formed on the outer wall. In addition, two sets of through holes are symmetrically formed at the ends of the ring-shaped part, each set including multiple small holes arranged circumferentially.
[0003] However, after the aforementioned parts are formed by powder pressing, excess powder adheres to their surface due to static electricity. If this residual powder is not cleaned off, burrs will form on the surface, inner holes, or through holes of the ring-shaped parts after firing. Since the ring-shaped parts are not standard circular rings but irregularly shaped, traditional automated grinding devices require frequent changes of different grinding heads to grind different areas sequentially, resulting in low work efficiency. Utility Model Content
[0004] To address at least one of the aforementioned problems, this utility model provides a deburring device for stainless steel powder metallurgy parts, comprising a base, a deburring mechanism, and a linkage lifting drive mechanism. The base is provided with a lifting plate and a support plate. The lifting plate is adapted to reciprocate vertically relative to the base and is suitable for positioning irregularly shaped annular parts. The deburring mechanism is connected to the support plate and located above the lifting plate. The deburring mechanism includes a part template, a micro-grinding head, and a drive motor. An irregularly shaped groove is formed at the bottom of the part template, and the circumferential wall of the groove is aligned with the irregularly shaped annular part. The outer peripheral wall is adapted, and the groove wall of the irregular groove is detachably equipped with an outer wall grinding abrasive disc suitable for grinding the outer peripheral wall of the irregular ring part. The bottom of the irregular groove is provided with an elliptical protrusion, and the outer wall of the elliptical protrusion is detachably equipped with an inner wall grinding abrasive disc suitable for grinding the inner hole wall of the irregular ring part. The micro grinding head is rotatably connected to the part template. The micro grinding head is suitable for being inserted into the small hole of the irregular ring part to grind the hole wall. The drive motor is suitable for driving the micro grinding head to rotate. After the drive motor rotates, it will drive the linkage lifting drive mechanism to operate to drive the lifting plate to reciprocate up and down.
[0005] Optionally, the abrasive pads for polishing the outer wall surface include flat abrasive pads for polishing flat surfaces, arc abrasive pads for polishing arc surfaces, and strip abrasive pads for polishing grooves. The flat abrasive pads and the arc abrasive pads are not connected to each other but abut against each other.
[0006] Optionally, the bottom of the irregular groove is provided with a first annular slot, one end of the outer wall surface polishing abrasive is inserted into the first annular slot, and a first annular baffle is detachably installed at the opening of the irregular groove. The inner diameter of the first annular baffle is larger than the outer diameter of the outer wall surface polishing abrasive but smaller than the inner diameter of the outer wall surface polishing abrasive.
[0007] Optionally, the base is provided with a guide post, the lifting plate is sleeved on the guide post and moves directionally on the guide post, and the top of the lifting plate is provided with a positioning structure for limiting the irregular ring-shaped parts.
[0008] Optionally, the micro-grinding head includes a grinding column and a connecting rod. The connecting rod is concentric with the small hole of the irregular ring-shaped part. One end of the connecting rod is connected to the eccentric part of the grinding column. The inner diameter of the grinding column is smaller than the diameter of the small hole of the irregular ring-shaped part, but the grinding column is in contact with the hole wall.
[0009] Optionally, the motor shaft of the drive motor is provided with a first driving gear, and the connecting rod is provided with a first driven gear that meshes with the first driving gear. The rotation of the first driving gear will drive the first driven gear to rotate the micro grinding head.
[0010] Optionally, multiple micro-grinding heads are provided, and the number of micro-grinding heads is the same as the number of small holes on the irregular ring-shaped part and corresponds one-to-one. Multiple first driven gears mesh with the first driving gear.
[0011] Optionally, the motor shaft of the drive motor is provided with a second driving gear, and the linkage lifting drive mechanism includes a linkage shaft rotatably mounted on the bracket plate, a second driven gear mounted on the linkage shaft and meshing with the second driving gear, a driving bevel gear mounted on the linkage shaft, and a driven bevel gear meshing with the driving bevel gear. The driven bevel gear is provided with a transmission shaft, which is located below the lifting plate. An eccentric connecting rod is hinged to the transmission shaft, and the eccentric connecting rod is hinged to the lifting plate to drive the lifting plate to reciprocate up and down.
[0012] Optionally, the bottom of the transmission shaft is provided with a support top block, and a transmission shaft support seat for supporting the transmission shaft is fixed on the support top block. The bottom of the support top block is provided with a support bottom block, and the support bottom block slides horizontally on the base to drive the support top block to drive the transmission shaft and the lifting plate to rise and fall, so as to facilitate the picking and placing of irregular ring-shaped parts.
[0013] Optionally, the base has a shell with an open top, and the top support block and the bottom support block are both located inside the shell. The top support block is adapted to move vertically within the shell. A sliding notch is provided on one side of the shell in the horizontal direction, and the bottom support block is adapted to slide out horizontally from the sliding notch. The bottom of the top support block has an inclined surface, and the top of the bottom support block has a driving inclined surface that fits against the inclined surface. A blocking strip is slidably inserted into the sliding notch. When the active bevel gear and the driven bevel gear mesh with each other, the blocking strip is adapted to limit the movement of the bottom support block.
[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows:
[0015] 1. After the drive motor rotates, the lifting plate, under the action of the linkage lifting drive mechanism, drives the parts to move back and forth in the vertical direction, so that the parts are inserted into the irregular groove and move up and down in the irregular groove. During this process, the outer wall grinding abrasive disc grinds the irregular outer wall surface of the parts, the inner wall grinding abrasive disc grinds the inner wall of the elliptical hole, and the micro grinding head grinds the hole wall of the small hole. Grinding different positions at the same time improves the deburring efficiency. In addition, the upgrading movement of the lifting plate also relies on the drive motor, reducing the drive source and reducing costs.
[0016] 2. When it is necessary to replace the outer wall surface grinding disc, simply remove the first annular baffle and then pull out the outer wall surface grinding disc. Replacement is convenient.
[0017] 3. Flat sanding discs and curved sanding discs are independent of each other. When any one of them is worn relatively severely, it can be replaced separately, which reduces maintenance costs. In addition, it also facilitates the production of sanding discs.
[0018] 4. When the lifting plate reciprocates, the parts are always located in the irregular groove, which avoids the collision between the outer wall grinding pad and the inner wall grinding pad caused by the need for the parts to be inserted and reciprocated, thus preventing breakage.
[0019] 5. Since the parts are inserted into the irregular grooves throughout the deburring process, when positioning and installing the parts on the lifting plate before deburring, the support base can be moved to lower the entire lifting plate to provide placement space, making the operation convenient. Attached Figure Description
[0020] Figure 1 This is a structural diagram of the irregularly shaped ring-shaped part in an embodiment of this utility model;
[0021] Figure 2 This is a structural diagram of the deburring device in an embodiment of the present invention;
[0022] Figure 3This is a structural diagram of the lifting plate and guide column in an embodiment of this utility model;
[0023] Figure 4 This is an exploded view of the part template, the outer wall surface grinding disc, and the inner wall grinding disc in the embodiment of this utility model;
[0024] Figure 5 This is a cross-sectional view of the part template, the outer wall surface grinding disc, and the inner wall grinding disc in the embodiment of this utility model;
[0025] Figure 6 This is a structural diagram of the miniature grinding head in an embodiment of this utility model;
[0026] Figure 7 This is a structural diagram showing the mating structure between the first driving gear and the micro grinding head in an embodiment of this utility model;
[0027] Figure 8 This is a structural diagram of the drive motor, the linkage lifting drive mechanism, and the lifting plate in the embodiment of this utility model;
[0028] Figure 9 This is a structural diagram of the linkage lifting drive mechanism and the lifting plate in the embodiments of this utility model;
[0029] Figure 10 This is an exploded view of the shell, transmission shaft, top support block, and bottom support block in an embodiment of this utility model.
[0030] Explanation of reference numerals in the attached drawings: 1. Base; 11. Lifting plate; 12. Guide column; 13. Support plate; 14. Housing; 141. Sliding notch; 142. Blocking strip; 2. Deburring mechanism; 21. Part template; 211. Irregular groove; 22. Miniature grinding head; 221. First driven gear; 23. Drive motor; 231. First driving gear; 232. Second driving gear; 24. Outer wall grinding disc; 241. Flat grinding disc; 242. Arc grinding disc; 25. Elliptical protrusion; 26. Inner wall grinding disc; 27. First annular baffle; 28. Second annular baffle; 3. Linked lifting drive mechanism; 31. Linked shaft; 32. Second driven gear; 33. Driving bevel gear; 34. Driven bevel gear; 35. Transmission shaft; 36. Eccentric connecting rod; 37. Support top block; 38. Support bottom block. Detailed Implementation
[0031] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the following description is provided in conjunction with the appendix. Figure 1-10 This application will be described in further detail.
[0032] Reference Figure 1The part in the figure is an irregularly shaped ring-shaped part that needs to be deburred. The irregularly shaped ring-shaped part is circular, but the outer peripheral wall of the irregularly shaped ring-shaped part is provided with multiple planes spaced apart and symmetrically. The inner hole of the irregularly shaped ring-shaped part is elliptical. The outer wall of the irregularly shaped ring-shaped part is also symmetrically provided with two grooves. In addition, the end of the irregularly shaped ring-shaped part is also symmetrically provided with two sets of through holes, each set of through holes including multiple small holes arranged circumferentially.
[0033] This utility model provides a deburring device for stainless steel powder metallurgy parts, see reference. Figure 2 The deburring device for stainless steel powder metallurgy parts includes a base 1, a deburring mechanism 2 mounted on the base 1, and a linkage lifting drive mechanism 3. A lifting plate 11 slides on the base 1. Irregularly shaped annular parts are positioned on the top of the lifting plate 11. The lifting plate 11 drives the irregularly shaped annular parts to insert into the deburring mechanism 2 and move reciprocally in the vertical direction. The deburring mechanism 2 simultaneously grinds and deburrs the outer wall surface, inner hole wall, and multiple small holes of the irregularly shaped annular parts. When the deburring mechanism 2 operates, it drives the linkage lifting drive mechanism 3 to operate synchronously. The linkage lifting drive mechanism 3, after operating, drives the lifting plate 11 to move up and down reciprocally.
[0034] In this embodiment, the lifting plate 11 is preferably a rectangular plate. Four guide posts 12 are installed at intervals on the top of the base 1. The four guide posts 12 are located at the four right angles of the lifting plate 11. The lifting plate 11 slides and is fitted onto the four guide posts 12 to achieve directional sliding. The top of the lifting plate 11 is provided with a positioning structure for limiting the irregular ring-shaped part. The positioning structure includes an elliptical protrusion inserted into the inner hole of the irregular ring-shaped part, two symmetrically arranged elongated protrusions inserted into the grooves respectively, and two symmetrically arranged protrusions inserted into the corresponding two small holes, so that the irregular ring-shaped part is not easy to move horizontally after being placed on the lifting plate 11.
[0035] Reference Figure 2 and Figure 3 In this design, a rubber ring is fitted onto the elliptical protrusion and fixed with glue, so that the irregular ring-shaped part is interference-fitted onto the elliptical protrusion. The friction between the elliptical protrusion and the rubber ring is greater than the friction generated by the deburring mechanism 2 when grinding the irregular ring-shaped part, thus making it less likely for the irregular ring-shaped part to fall off the elliptical protrusion in the vertical direction when grinding burrs.
[0036] Combination Figure 2 Reference Figure 3 and Figure 4A support plate 13 is bolted to the top of the base 1, and the deburring mechanism 2 is connected to the support plate 13 and located above the lifting plate 11. The deburring mechanism 2 includes a part template 21, a micro grinding head 22, and a drive motor 23. The part template 21 is located above the lifting plate 11 and is fixedly connected to the support plate 13 by bolts. The bottom of the part template 21 has an irregular groove 211, the circumferential wall of which is adapted to the outer peripheral wall of the irregular ring-shaped part, and the groove wall of the irregular groove 211 is detachably fitted with an outer wall grinding abrasive 24 suitable for grinding the outer peripheral wall of the irregular ring-shaped part. The bottom of the irregular groove 211 has an elliptical protrusion 25, and the outer wall of the elliptical protrusion 25 is detachably fitted with an inner wall grinding abrasive 26 suitable for grinding the inner hole wall of the irregular ring-shaped part. The micro-grinding head 22 is rotatably connected to the part template 21. The micro-grinding head 22 is suitable for being inserted into the small hole of the irregularly shaped ring-shaped part to grind the hole wall. The drive motor 23 is suitable for driving the micro-grinding head 22 to rotate. After the drive motor 23 rotates, it will drive the linkage lifting drive mechanism 3 to operate.
[0037] Reference Figure 4 and Figure 5 The bottom of the irregular groove 211 is provided with a first annular slot, and one end of the outer wall surface polishing abrasive 24 is inserted into the first annular slot. A first annular baffle 27 is installed at the opening of the irregular groove 211 by bolts. The inner diameter of the first annular baffle 27 is larger than the outer diameter of the outer wall surface polishing abrasive 24 but smaller than the inner diameter of the outer wall surface polishing abrasive 24. Thus, the first annular baffle 27 can prevent the outer wall surface polishing abrasive 24 from falling out of the irregular groove 211 and does not interfere with the polishing of the outer wall surface polishing abrasive 24.
[0038] The outer wall surface polishing abrasive disc 24 includes a flat abrasive disc 241 for polishing flat surfaces, an arc-shaped abrasive disc 242 for polishing arc surfaces, and a strip-shaped abrasive disc for polishing grooves. The flat abrasive disc 241, the arc-shaped abrasive disc 242, and the strip-shaped abrasive disc are independent discs and not connected to each other, but they abut against each other circumferentially. This allows any one abrasive disc to be replaced individually when it becomes severely worn, reducing maintenance costs.
[0039] Reference Figure 4 and Figure 5 The bottom of the irregular groove 211 is also provided with a second annular slot, which is an elliptical slot. One end of the inner wall polishing abrasive 26 is inserted into the second annular slot. A second annular baffle 28 is bolted to the elliptical protrusion 25. The outer diameter of the second annular baffle 28 is larger than the inner diameter of the inner wall polishing abrasive 26 but smaller than the outer diameter of the inner wall polishing abrasive 26. Thus, the second annular baffle 28 can prevent the inner wall polishing abrasive 26 from falling out of the irregular groove 211 and does not interfere with the polishing of the inner wall polishing abrasive 26.
[0040] Multiple micro-grinding heads 22 are provided. The number of micro-grinding heads 22 is the same as the number of small holes on the irregular ring-shaped part and corresponds one-to-one. The structure of one micro-grinding head 22 is described below as an example.
[0041] Reference Figure 4 and Figure 6 The miniature grinding head 22 includes a grinding column and a connecting rod. The connecting rod is concentric with the small hole of the irregularly shaped annular part. One end of the connecting rod is fixedly connected to the eccentric part of the grinding column. The inner diameter of the grinding column is smaller than the diameter of the small hole in the irregularly shaped annular part, so that the grinding column can be inserted into the small hole, but the grinding column contacts the hole wall to achieve grinding. The top of the part template 21 has a mounting groove, and the end of the connecting rod away from the grinding column is inserted into the mounting groove.
[0042] Combination Figure 5 Reference Figure 7 and Figure 8 The drive motor 23 is located on the part template 21 and mounted on the support plate 13. A first drive gear 231 is mounted on the motor shaft of the drive motor 23, and the drive motor 23 is adapted to drive the first drive gear 231 to rotate. The first drive gear 231 is located in the mounting groove, and a first driven gear 221 that meshes with the first drive gear 231 is mounted on one end of the connecting rod located in the mounting groove. The connecting rod and the first driven gear 221 rotate synchronously. Multiple first driven gears 221 mesh with the first drive gear 231. After the drive motor 23 drives the first drive gear 231 to rotate, it drives multiple grinding heads to rotate. Thus, when the irregularly shaped annular part is ground by the grinding heads as the lifting plate 11 moves up and down, the grinding heads can also rotate relative to the irregularly shaped annular part to grind and remove burrs.
[0043] When the lifting plate 11 moves the irregularly shaped ring-shaped part up and down to polish and remove burrs, the top of the irregularly shaped ring-shaped part is always located in the irregularly shaped groove 211 and moves up and down within the irregularly shaped groove 211.
[0044] Combination Figure 1 Reference Figure 8 and Figure 9 The motor shaft of the drive motor 23 is also provided with a second drive gear 232, which is suitable for driving the linkage lifting drive mechanism 3 to operate.
[0045] The linkage lifting drive mechanism 3 includes a linkage shaft 31 rotatably mounted on the support plate 13, a second driven gear 32 mounted on the linkage shaft 31 and meshing with the second driving gear 232, a driving bevel gear 33 mounted on the linkage shaft 31, and a driven bevel gear 34 meshing with the driving bevel gear 33. A transmission shaft 35 is mounted on the driven bevel gear 34. Rotation of the second driving gear 232 drives the second driven gear 32 to rotate, which in turn drives the entire linkage shaft 31 to rotate. Rotation of the linkage shaft 31 then drives the driving bevel gear 33 to rotate, which in turn drives the driven bevel gear 34 to rotate, thus changing the transmission direction. Rotation of the driven bevel gear 34 then drives the transmission shaft 35 to rotate.
[0046] Reference Figure 8 and Figure 9 The transmission shaft 35 is located below the lifting plate 11. An eccentric component that rotates synchronously is provided at the end of the transmission shaft 35 away from the driven bevel gear 34. An eccentric connecting rod 36 is hinged to the eccentric component, and the end of the eccentric connecting rod 36 away from the eccentric component is hinged to the bottom of the lifting plate 11. Therefore, when the transmission shaft 35 rotates, the eccentric connecting rod 36 can drive the lifting plate 11 to reciprocate vertically.
[0047] Combination Figure 2 Reference Figure 9 and Figure 10 The bottom of the transmission shaft 35 is provided with a support top block 37, and a transmission shaft support seat for supporting the transmission shaft 35 is fixed on the support top block 37. The bottom of the support top block 37 is provided with a support bottom block 38, which slides horizontally on the base 1 to drive the support top block 37 to drive the transmission shaft 35 and the lifting plate 11 to rise and fall, so as to facilitate the handling of irregularly shaped ring-shaped parts.
[0048] Combination Figure 8 Reference Figure 9 and Figure 10 A shell 14 with an open top is fixed on the base 1. A top support block 37 and a bottom support block 38 are both located inside the shell 14. The top support block 37 is adapted to move vertically within the shell 14. A sliding notch 141 is provided on one side of the shell 14 in the horizontal direction, and the bottom support block 38 is adapted to slide out horizontally from the sliding notch 141. Positioning sliding strips are integrally provided on both side walls of the vertical sliding notch 141 of the top support block 37. Positioning sliding grooves are formed on the two inner walls of the shell 14 for the corresponding positioning sliding strips to be inserted and slide vertically.
[0049] The support top block 37 has an inclined surface at its bottom, and the support bottom block 38 has a driving inclined surface at its top that fits against the inclined surface. When a force is applied to the support bottom block 38 to slide outward toward the sliding notch 141, the support top block 37 can descend under the cooperation of gravity and the positioning sliding strip and positioning sliding groove. To facilitate pulling the support bottom block 38, a pull rod is welded to the side of the support bottom block 38 near the sliding notch 141. After the support top block 37 descends, it will drive the transmission shaft 35, the driven bevel gear 34, the eccentric connecting rod 36, and the lifting plate 11 to descend, thereby facilitating the placement of the irregularly shaped ring-shaped parts that need to be deburred on the lifting plate 11 or the removal of the irregularly shaped ring-shaped parts that have been ground and deburred from the lifting plate 11. Among them, after the driven bevel gear 34 descends, it will lose its meshing relationship with the driving bevel gear 33.
[0050] A blocking strip 142 is slidably inserted at the sliding notch 141. When the active bevel tooth 33 and the driven bevel tooth 34 mesh with each other, the blocking strip 142 and the inner wall of the housing 14 are adapted to clamp the support block 38, thereby limiting the movement of the support block 38.
[0051] The implementation principle of the stainless steel powder metallurgy deburring device in this application embodiment is as follows: When the irregular ring-shaped part that needs to be ground and deburred is placed on the lifting plate 11, the blocking strip 142 is first pulled out to contact the limiting position of the support bottom block 38, and then the support bottom block 38 is pulled out from the sliding notch 141. At this time, the support top block 37 descends under the action of the inclined surface and the driving inclined surface. After the support top block 37 descends, it will drive the lifting plate 11 to descend to provide placement space.
[0052] After the irregularly shaped annular part is positioned on the lifting plate 11, the support base 38 is pushed into the housing 14, and the blocking strip 142 is reconnected to the housing 14, so that the driven bevel gear 34 and the driving bevel gear 33 mesh with each other. At this time, the top of the irregularly shaped annular part is inserted into the irregularly shaped groove 211, and multiple grinding heads are inserted into the corresponding small holes one by one. Then the drive motor 23 runs, and the drive motor 23 drives the multiple grinding heads to rotate. At the same time, the lifting plate 11, under the action of the linkage lifting drive mechanism 3, drives the part to move back and forth in the vertical direction, so that the outer wall grinding abrasive 24 grinds the irregular outer wall surface of the part, and the inner wall grinding abrasive 26 grinds the inner wall of the elliptical hole. After the specified grinding time, the irregularly shaped annular part is flipped over and ground again to remove the burrs inside the other half.
[0053] Similarly, the components included in the "components," "mechanisms," and "devices" of this disclosure can also be flexibly combined. They can be modularly produced according to actual needs and assembled as an independent module; or they can be assembled separately to form a module in this device. The division of the above-mentioned components in this disclosure is only one embodiment for ease of reading and is not intended to limit the scope of protection of this disclosure. Any technical solution that includes the above-mentioned components and has the same function should be understood as an equivalent technical solution of this disclosure.
[0054] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.
[0055] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0056] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.
[0057] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0058] It should be noted that when a component is referred to as "fixed to," "set on," "fixed to," or "mounted on" another component, it can be directly on the other component or there may be an intervening component. When a component is considered to be "connected to another component," it can be directly connected to the other component or there may be an intervening component. Furthermore, when a component is considered to be "fixedly connected" to another component, the connection can be detachable or non-detachable, such as through socketing, snap-fitting, integral molding, welding, etc., which are achievable in conventional technologies and will not be elaborated upon here.
[0059] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0060] The above embodiments are merely illustrative of several implementation methods of this disclosure, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this disclosure, and these modifications and improvements all fall within the protection scope of this disclosure.
Claims
1. A deburring device for stainless steel powder metallurgy parts, characterized by: The application relates to a deburring device for an annular part, which comprises a base (1), a deburring mechanism (2) and a linkage lifting driving mechanism (3), the base (1) is provided with a lifting plate (11) and a support plate (13), the lifting plate (11) is adapted to reciprocate along the vertical direction relative to the base (1), and the lifting plate (11) is adapted to position and place an annular part, the deburring mechanism (2) is connected with the support plate (13) and located above the lifting plate (11), the deburring mechanism (2) comprises a part template (21), a micro polishing head (22) and a driving motor (23), the part template (21) is provided with a special-shaped groove (211) at the bottom, the circumferential groove wall of the special-shaped groove (211) is matched with the outer circumferential wall of the annular part, the outer wall surface polishing abrasive sheet (24) adapted to polish the outer circumferential wall of the annular part is detachably installed on the groove wall of the special-shaped groove (211), the groove bottom of the special-shaped groove (211) is provided with an oval protrusion (25), and the outer wall of the oval protrusion (25) is detachably provided with the inner wall polishing abrasive sheet (26) adapted to polish the inner hole wall of the annular part, the micro polishing head (22) is rotationally connected with the part template (21), the micro polishing head (22) is adapted to be inserted into the small hole of the annular part to polish the hole wall of the small hole, and the driving motor (23) is adapted to drive the micro polishing head (22) to rotate, the driving motor (23) drives the linkage lifting driving mechanism (3) to operate to drive the lifting plate (11) to reciprocate and lift.
2. The stainless steel powder metallurgy part deburring apparatus of claim 1, wherein: The outer wall surface polishing abrasive sheet (24) comprises a plane abrasive sheet (241) for polishing a plane, an arc surface abrasive sheet (242) for polishing an arc surface and a strip-shaped abrasive sheet for polishing a groove, and the plane abrasive sheet (241) and the arc surface abrasive sheet (242) are not connected with each other but abut against each other.
3. The stainless steel powder metallurgy part deburring apparatus of claim 1, wherein: The groove bottom of the special-shaped groove (211) is provided with a first annular insertion groove, one end of the outer wall surface polishing abrasive sheet (24) is inserted into the first annular insertion groove, and a first annular baffle (27) is detachably installed at the groove opening of the special-shaped groove (211), the inner diameter of the first annular baffle (27) is greater than the outer diameter of the outer wall surface polishing abrasive sheet (24) but smaller than the inner diameter of the outer wall surface polishing abrasive sheet (24).
4. The stainless steel powder metallurgy part deburring apparatus of claim 1, wherein: The base (1) is provided with a guide column (12), the lifting plate (11) is sleeved on the guide column (12) and directionally moves on the guide column (12), and the top of the lifting plate (11) is provided with a positioning structure for limiting the annular part.
5. The deburring device for stainless steel powder metallurgy parts according to any one of claims 1-4, characterized in that: The micro polishing head (22) comprises a polishing column and a connecting rod, the connecting rod is concentric with the small hole of the annular part, one end of the connecting rod is connected to the eccentric position of the polishing column, the inner diameter of the polishing column is smaller than the hole diameter of the small hole of the annular part, and the polishing column is in contact with the hole wall of the small hole.
6. The stainless steel powder metallurgy part deburring apparatus of claim 5, wherein: The motor shaft of the driving motor (23) is provided with a first driving gear (231), and the connecting rod is provided with a first driven gear (221) which is engaged with the first driving gear (231), and rotation of the first driving gear (231) drives the first driven gear (221) to drive the micro polishing head (22) to rotate.
7. The stainless steel powder metallurgy part deburring apparatus of claim 6, wherein: A plurality of micro polishing heads (22) are provided, the number of the micro polishing heads (22) is the same as and one-to-one corresponds to the number of small holes on the special-shaped ring-shaped part, and the plurality of first driven gears (221) are engaged with the first driving gear (231).
8. The stainless steel powder metallurgy part deburring apparatus of claim 5, wherein: The motor shaft of the driving motor (23) is provided with a second driving gear (232), the linkage lifting driving mechanism (3) comprises a linkage rotating shaft (31) which is rotatably installed on the support plate (13), a second driven gear (32) which is installed on the linkage rotating shaft (31) and is engaged with the second driving gear (232), a driving bevel gear (33) which is installed on the linkage rotating shaft (31), and a driven bevel gear (34) which is engaged with the driving bevel gear (33), the driven bevel gear (34) is provided with a transmission rotating shaft (35), the transmission rotating shaft (35) is located below the lifting plate (11), the transmission rotating shaft (35) is hingedly connected with an eccentric connecting rod (36), the eccentric connecting rod (36) is hingedly connected with the lifting plate (11) to drive the lifting plate (11) to reciprocatingly lift and lower.
9. The stainless steel powder metallurgy part deburring apparatus of claim 8, wherein: The bottom of the transmission rotating shaft (35) is provided with a support top block (37), the support top block (37) is fixedly provided with a transmission shaft support seat which supports the transmission rotating shaft (35), the bottom of the support top block (37) is provided with a support bottom block (38), the support bottom block (38) slides along the horizontal direction on the base (1) to drive the support top block (37) to drive the transmission rotating shaft (35) and the lifting plate (11) to lift and lower, so as to facilitate taking and placing the special-shaped ring-shaped part.
10. The stainless steel powder metallurgy part deburring apparatus of claim 9, wherein: The base (1) is provided with a housing (14) which is open at the top, the support top block (37) and the support bottom block (38) are located in the housing (14), the support top block (37) is adapted to move along the vertical direction in the housing (14), one side of the housing (14) in the horizontal direction is provided with a sliding gap (141), the support bottom block (38) is adapted to slide out along the horizontal direction from the sliding gap (141), the bottom of the support top block (37) is provided with an inclined surface, the top of the support bottom block (38) is provided with a driving inclined surface which is matched with the inclined surface, the sliding gap (141) is slidably inserted with a blocking strip (142), when the driving bevel gear (33) is engaged with the driven bevel gear (34), the blocking strip (142) is adapted to limit the movement of the support bottom block (38).