Spindle powder spraying hanger
By designing a mandrel powder hanging tool with support and protrusions, the problem of powder spraying on the contact parts of the mandrel and the powder hanging tool is solved, and the versatility of high-quality powder spraying and hanging tools is achieved, and the stability and reusability of the powder spraying process are improved.
Patent Information
- Application Number
- CN202422010768.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-17
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-17
AI Technical Summary
In online electrostatic powder spraying operations, powder is easily sprayed on the contact parts of the mandrel and the powder spray hanging trel, resulting in poor conductivity, affecting the powder spraying quality and reuse of the trel.
A mandrel powder spray hanging tool is designed, including a hanger and a hanger. The hanger is equipped with a support part and a protrusion. The protrusions come into contact with the outer circumferential surface of the mandrel, support and conduct electricity, and the support parts are not easily sprayed with powder. The hanger can be adjusted to accommodate the mandrel sizes.
It improves the quality of mandrel powder and the versatility of the hanging tool, ensures stable conductivity of the projections, reduces shaking and pollution during the powder spraying process, and enhances the stability and reusability of the hanger.
Smart Images
Figure CN223234108U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of mandrel surface treatment tools, and in particular to a mandrel powder spraying hanger. Background Art
[0002] Although the traditional painting process can meet the anti-corrosion requirements of constant velocity drive shaft components to a certain extent, its coating quality, adhesion and durability have limitations. Especially in harsh environments such as high humidity and high salt spray, the coating is prone to peeling and rusting, resulting in a decline in the performance of the constant velocity drive shaft.
[0003] Therefore, in order to meet the high performance requirements of automobile constant velocity drive shafts, the use of online electrostatic powder spraying technology has become an effective solution. The online electrostatic powder spraying process has the advantages of uniform coating, strong adhesion and good corrosion resistance, which can significantly improve the corrosion resistance and service life of the constant velocity drive shaft.
[0004] However, in the online electrostatic powder spraying operation of the related technology, the core shaft on the constant velocity shaft is hung on the powder spraying hanger, and the contact part between the core shaft and the hanger is easily sprayed with powder, resulting in the hanger being unable to conduct electricity normally during the next cycle of use, resulting in uneven powder spraying and missed spraying quality problems on the ball cage.
[0005] Therefore, how to improve the core shaft powder spraying quality is a technical problem that those skilled in the art currently need to solve. Utility Model Content
[0006] In order to help improve the powder spraying quality of the mandrel, the present application provides a mandrel powder spraying hanger, which adopts the following technical solutions:
[0007] A core shaft powder spraying hanger includes a hanger and two hangers, the hanger includes a cross bar, the hanger includes a frame body, the frame body is provided with hanging holes, the hanging holes of the two hangers are movably hung at both ends close to the cross bar, a plurality of support parts are provided at intervals on one side of the frame body, the support parts are provided with protrusions for supporting and capable of conducting electricity to the core shaft to be powder sprayed, and the protrusions are in contact with the outer circumferential surface of the core shaft to be powder sprayed.
[0008] By adopting the above technical solution, a number of support parts are provided at intervals on the frame body of the hanger, and protrusions are provided on the support parts. The protrusions support the core shaft to be powder-sprayed and can conduct electricity to the core shaft to be powder-sprayed. In this way, when the protrusions support the core shaft to be powder-sprayed, the supporting parts are not easily sprayed with powder, which helps to improve the reliability of the protrusions conducting electricity to the core shaft, and further helps to improve the quality of the core shaft powder spraying. The hanging holes of the two hangers are movably hung on the cross bar of the hanger, and the distance between the two hangers can be easily adjusted, which helps to improve the versatility of the hanger and make the hanger suitable for core shafts of different specifications.
[0009] Optionally, the support portion includes a connecting section and a curved section, the curved section is connected to the frame body via the connecting section, the curved section opens upward, and the protrusion is arranged on an inner side wall of the curved section.
[0010] By adopting the above technical solution, the bending section opens upward, and the protrusion is arranged on the inner wall of the bending section, which helps to improve the stability of the protrusion supporting the core shaft to be powder-sprayed. The connecting section connects the frame body and the bending section, so that a certain space is reserved between the bending section and the frame body, so that the bending section can be suitable for core shafts of different specifications.
[0011] Optionally, there are two protrusions, which are arranged on the inner side wall of the curved section, and the two protrusions are in contact with the outer circumferential surface of the core shaft to be powder-sprayed.
[0012] By adopting the above technical solution, two protrusions are arranged on the inner wall of the curved section, and the two protrusions are in contact with the outer circumferential surface of the core shaft to be powder-sprayed. In this way, when the protrusions support the core shaft to be powder-sprayed, the supporting parts are not easily sprayed with powder, which helps to improve the reliability of the protrusions conducting electricity to the core shaft, and thus helps to improve the quality of the powder spraying of the core shaft.
[0013] Optionally, the protrusion is in the shape of a triangle, and the top corner of the triangle is provided with an arc-shaped chamfer, and the arc-shaped chamfer is in contact with the outer circumferential surface of the core shaft to be powder-sprayed.
[0014] By adopting the above technical solution, the shape of the protrusion is triangular, which is convenient for processing and manufacturing. The top angle of the triangle is provided with an arc-shaped chamfer, which contacts the outer circumferential surface of the core shaft to be powder-sprayed. In this way, the core shaft and the arc-shaped chamfer are in line contact, the pressure per unit area is large, and the reliability of the contact is improved. At the same time, powder is not easily splashed onto the contact part during powder spraying.
[0015] Optionally, the hanging hole is a square hole, and the direction of one of the diagonals of the square hole is the same as the arrangement direction of the plurality of support portions.
[0016] By adopting the above technical solution, the direction of one of the diagonals of the square hole is the same as the arrangement direction of several support parts. In this way, when the square hole is hung on the cross bar, the two sides of the square hole away from the support part are in contact with the cross bar, which helps to improve the stability of the hanging support and reduce the shaking of the bracket during the powder spraying process.
[0017] Optionally, a support plate is provided on each side of the square hole away from the support portion, and the length of the two support plates is greater than the thickness of the frame body. When the hanging hole is hung on the cross bar, the two support plates abut against the cross bar.
[0018] By adopting the above technical solution, a support plate is provided on each side of the square hole away from the support part. The length of the two support plates is greater than the thickness of the frame body. When the hanging hole is hung on the cross bar, the two support plates are in contact with the cross bar, increasing the contact area between the square hole and the cross bar, which helps to improve the stability of the hanging support and reduce the shaking of the hanger during the powder spraying process.
[0019] Optionally, a baffle is provided at each end of the cross bar, and when the hanging hole is hung on the cross bar, the baffle can limit the hanging hole from being separated from the cross bar.
[0020] By adopting the above technical solution, baffles are provided at both ends of the cross bar, which can limit the hanging holes from detaching from the cross bar, thereby improving the reliability of the hanger hanging on the hanger cross bar and helping to prevent the hanger from detaching from the cross bar during powder spraying.
[0021] Optionally, the hanger further includes a hanging plate and a vertical rod, one end of the vertical rod is fixedly connected to the hanging plate, and the other end is connected to the middle part of the cross rod.
[0022] By adopting the above technical solution, one end of the vertical rod is fixedly connected to the hanging plate, and the other end is connected to the middle part of the horizontal rod, which helps to simplify the structure. At the same time, the center of gravity of the hanger passes through the vertical rod, which helps to improve the stability of the hanger.
[0023] Optionally, the hanger further includes two diagonal rods, one end of the two diagonal rods is fixedly connected to the vertical rod, and the other end is fixedly connected to the horizontal rod, and the two diagonal rods are respectively arranged on both sides of the vertical rod.
[0024] By adopting the above technical solution, the hanger also includes two diagonal rods, one end of the diagonal rod is fixedly connected to the vertical rod, and the other end is fixedly connected to the horizontal rod. The two diagonal rods are respectively arranged on both sides of the vertical rod. In this way, the diagonal rod, the vertical rod and the horizontal rod form a stable triangular structure, which helps to improve the strength of the hanger and prevent the hanger from deforming and affecting the powder spraying effect on the core shaft.
[0025] Optionally, it further comprises a plurality of shaft end sleeves, wherein one end of the plurality of shaft end sleeves is open and the other end is closed, and the plurality of shaft end sleeves are respectively sleeved on both ends of the core shaft to be powder sprayed.
[0026] By adopting the above technical solution, one end of the shaft end sleeve is open and the other end is closed, and the shaft end sleeve is respectively sleeved on the two ends of the core shaft to be powder sprayed. In this way, the parts of the two ends of the core shaft to be powder sprayed that do not need to be powder sprayed are protected, which helps to prevent the two ends of the core shaft to be powder sprayed from being contaminated and improves the quality of the core shaft powder spraying.
[0027] In summary, this application includes at least one of the following beneficial technical effects:
[0028] 1. The two hangers are hung on the crossbar of the hanger, and the distance between the two hangers can be easily adjusted, which helps to improve the versatility of the hanger and makes the hanger suitable for mandrels of different specifications. The support part is provided with a protrusion, which supports the mandrel to be powder-sprayed and can conduct electricity to the mandrel to be powder-sprayed. In this way, when the protrusion supports the mandrel to be powder-sprayed, the supporting part is not easily sprayed with powder, which helps to improve the reliability of the protrusion conducting electricity to the mandrel, and further helps to improve the quality of the mandrel powder spraying;
[0029] 2. The protrusions are arranged on the inner side wall of the curved section, which helps to improve the stability of the protrusions in supporting the core shaft to be powder-sprayed. The connecting section connects the frame body and the curved section, leaving a certain space between the curved section and the frame body, so that the curved section can be suitable for core shafts of different specifications;
[0030] 3. The shape of the protrusion is triangular, which is convenient for processing and manufacturing. The top corner of the triangle is provided with an arc chamfer, which contacts the outer circumferential surface of the core shaft to be powder-sprayed. In this way, the core shaft and the arc chamfer are in line contact, and the pressure per unit area is large, which improves the reliability of the contact. At the same time, powder is not easy to splash onto the contact part during powder spraying;
[0031] 4. There are support plates on both sides of the square hole away from the support part. The length of the two support plates is greater than the thickness of the rack body. When the hanging hole is hung on the cross bar, the two support plates abut against the cross bar, increasing the contact area between the square hole and the cross bar, which helps to improve the stability of the hanging support and reduce the shaking of the rack during the powder spraying process.
[0032] 5. The shaft end sleeve is used to protect both ends of the powder spraying core shaft, which avoids the contamination of the core shaft end during the powder spraying process and improves the product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] Figure 1 This is a structural schematic diagram of a core shaft powder spraying hanger disclosed in this application.
[0034] Figure 2 This is a side view of a core shaft powder spraying hanger disclosed in this application.
[0035] Figure 3 for Figure 2 A partial enlarged view of the middle I position.
[0036] Figure 4 for Figure 2 A partial enlarged view of position II.
[0037] Figure 5 for Figure 1 A partial enlarged view of position III.
[0038] Figure 6 This is a front view of a core shaft powder spraying hanger disclosed in this application.
[0039] Description of reference numerals:
[0040] 1. Hanger; 11. Crossbar; 12. Baffle; 13. Hanging plate; 14. Vertical bar; 15. Diagonal rod; 2. Hanger; 21. Frame body; 211. Hanging hole; 22. Support part; 221. Connecting section; 222. Bending section; 223. Protrusion; 23. Support plate; 3. Shaft end sleeve; 4. Core shaft to be powder coated. DETAILED DESCRIPTION
[0041] The following combination Figures 1 to 6 This application is described in further detail.
[0042] The embodiment of the present application discloses a core shaft powder spraying hanger.
[0043] A mandrel powder spraying hanger. Figure 1 and Figure 2 , including a hanger 1 and two hangers 2, the hanger 1 and the hanger 2 are made of iron material, the hanger 1 includes a cross bar 11, the hanger 2 includes a frame body 21, the frame body 21 is provided with a hanging hole 211, the hanging holes 211 of the two hangers 2 are respectively movably hung at both ends close to the cross bar 11, and a plurality of support portions 22 are provided at intervals on one side of the frame body 21. The number of support portions 22 in the embodiment of the present application is 10, and the number in other embodiments of the present application is 8, 9, 11 or 12. The specific number is determined according to the size of the spray range of the nozzle on the powder spraying production line. The support portion 22 is provided with a protrusion 223 for supporting and conducting electricity to the core shaft 4 to be powder-sprayed. The protrusion 223 is in contact with the outer circumferential surface of the core shaft 4 to be powder-sprayed. In this way, when the protrusion 223 supports the core shaft 4 to be powder-sprayed, the support part 22 is not easily sprayed with powder, which helps to improve the reliability of the protrusion 223 conducting electricity to the core shaft, and thus helps to improve the quality of the core shaft powder spraying. The hanging holes 211 of the two hangers 2 are movably hung on the cross bar 11 of the hanger 1, and the distance between the two hangers 2 can be easily adjusted, which helps to improve the versatility of the hanger and make the hanger suitable for core shafts of different specifications.
[0044] Reference Figure 3 The support portion 22 includes a connecting section 221 and a curved section 222. The curved section 222 is connected to the frame body 21 through the connecting section 221. The curved section 222 opens upward. The protrusion 223 is arranged on the inner side wall of the curved section 222, which helps to improve the stability of the protrusion 223 supporting the core shaft 4 to be powder-sprayed. The connecting section 221 connects the frame body 21 and the curved section 222, so that a certain space is reserved between the curved section 222 and the frame body 21, so that the curved section 222 can be suitable for core shafts of different specifications.
[0045] Reference Figure 3There are two protrusions 223, and the two protrusions 223 are arranged on the inner wall of the curved section 222. The two protrusions 223 are in contact with the outer circumferential surface of the core shaft 4 to be powder-sprayed. In this way, when the protrusions 223 support the core shaft 4 to be powder-sprayed, the supporting portion 22 is not easily sprayed with powder, which helps to improve the reliability of the protrusions 223 conducting electricity to the core shaft, and thus helps to improve the quality of the core shaft powder spraying.
[0046] Reference Figure 3 The protrusion 223 in the embodiment of the present application is in the shape of a triangle, and the top corner of the triangle is provided with an arc-shaped chamfer, which contacts the outer circumferential surface of the core shaft 4 to be powder-sprayed. In this way, the core shaft and the arc-shaped chamfer are in line contact, and the pressure per unit area is large, which improves the reliability of the contact. At the same time, the powder is not easily splashed to the contact part during powder spraying; in other embodiments of the present application, the protrusion 223 is in the shape of a semicircle, and the arc surface of the semicircle contacts the outer circumferential surface of the core shaft 4 to be powder-sprayed.
[0047] Reference Figure 2 and Figure 4 The hanging hole 211 is a square hole, and one of the diagonal lines of the square hole is in the same direction as the arrangement direction of the plurality of support parts 22. In this way, when the square hole is hung on the cross bar 11, the two sides of the square hole away from the support part 22 are in contact with the cross bar 11, which helps to improve the stability of the hanging support and reduce the shaking of the hanger 2 during the powder spraying process. A support plate 23 is provided on each side of the square hole away from the support part 22. The two support plates 23 can be made of steel plates and are welded to the frame body 21 respectively. The two support plates 23 It can also be made directly of angle steel, which is attached to the upper two sides of the square hole and welded to the frame body 21. The length of the two support plates 23 is greater than the thickness of the frame body 21. When the hanging hole 211 is hung on the cross bar 11, the two support plates 23 are in contact with the cross bar 11. When the hanging hole 211 is hung on the cross bar 11, the two support plates 23 are in contact with the cross bar 11, which increases the contact area between the square hole and the cross bar 11, helps to improve the stability of the hanging support, and reduces the shaking of the hanger 2 during the powder spraying process.
[0048] Reference Figure 1The two ends of the cross bar 11 are respectively provided with a baffle 12, which can limit the detachment of the hanging hole 211 from the cross bar 11, thereby improving the reliability of the hanger 2 on the cross bar 11 of the hanger 1.
[0049] Reference Figure 6 The core shaft powder spraying hanger also includes several shaft end sleeves 3. It should be noted that the number of shaft end sleeves 3 is determined according to the number of core shafts hung on the hanger. Each core shaft requires two shaft end sleeves 3. One end of the shaft end sleeve 3 is open and the other end is closed. The shaft end sleeves 3 are respectively sleeved on the two ends of the core shaft 4 to be powder sprayed. In this way, the parts of the two ends of the core shaft 4 to be powder sprayed that do not need to be powdered are protected, which helps to prevent the two ends of the core shaft 4 to be powder sprayed from being contaminated and improve the quality of the core shaft powder spraying. The material of the shaft end sleeve 3 in the embodiment of the present application is made of silicone with a heat-resistant temperature of 260°C. After repeated use, a thicker powder layer will be formed on the shaft end sleeve 3. The shaft end sleeve 3 is made of silicone and has elasticity. The powder layer is easy to fall off from the shaft end sleeve 3, which is convenient for the recycling of the shaft end sleeve 3 and improves the service life of the shaft end sleeve 3.
[0050] The working process of a core shaft powder spraying hanger is as follows: the hanging plate 13 of the core shaft powder spraying hanger is hung on the hook on the powder spraying production line, the spacing between the hangers 2 is adjusted to adapt to the length of the core shaft 4 to be powder sprayed, the core shaft to be powder sprayed is placed on the protrusion 223 of the curved section 222, so that the two ends of the core shaft 4 to be powder sprayed are respectively supported on the protrusions 223 of the same height of the two hangers 2, and the shaft end sleeves 3 are respectively sleeved on the two ends of the core shaft 4 to be powder sprayed. The core shaft 4 to be powder sprayed and the hanger enter the powder spraying operation area of the production line together for powder spraying. After powder spraying, the shaft end sleeves 3 and the powdered core shaft are removed in turn, and then the next powder spraying cycle is carried out.
[0051] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application in sequence. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A core shaft powder spraying hanger, comprising a hanger (1) and two hangers (2), wherein the hanger (1) comprises a cross bar (11), the hanger (2) comprises a frame body (21), the frame body (21) is provided with a hanging hole (211), the hanging holes (211) of the two hangers (2) are movably hung at both ends close to the cross bar (11), and characterized in that: A plurality of support portions (22) are provided at intervals on one side of the frame body (21); the support portions (22) are provided with protrusions (223) for supporting and conducting electricity to the core shaft (4) to be powder-sprayed; the protrusions (223) are in contact with the outer circumferential surface of the core shaft (4) to be powder-sprayed.
2. The mandrel powder spraying hanger according to claim 1, characterized in that: The support portion (22) comprises a connecting section (221) and a curved section (222); the curved section (222) is connected to the frame body (21) via the connecting section (221); the curved section (222) opens upward; and the protrusion (223) is arranged on the inner side wall of the curved section (222).
3. The mandrel powder spraying hanger according to claim 2, characterized in that: There are two protrusions (223), which are arranged on the inner side wall of the curved section (222), and the two protrusions (223) are in contact with the outer circumferential surface of the core shaft (4) to be powder-sprayed.
4. The mandrel powder spraying hanger according to claim 3, characterized in that: The protrusion (223) is in the shape of a triangle, and the top corner of the triangle is provided with an arc-shaped chamfer, and the arc-shaped chamfer contacts the outer circumferential surface of the core shaft (4) to be powder-sprayed.
5. The mandrel powder spraying hanger according to claim 4, characterized in that: The hanging hole (211) is a square hole, and the direction of one diagonal line of the square hole is the same as the arrangement direction of the plurality of support portions (22).
6. The mandrel powder spraying hanger according to claim 5, characterized in that: A support plate (23) is provided on each side of the square hole away from the support portion (22); the length of the two support plates (23) is greater than the thickness of the frame body (21); when the hanging hole (211) is hung on the cross bar (11), the two support plates (23) abut against the cross bar (11).
7. A mandrel powder spraying hanger according to any one of claims 1 to 6, characterized in that: A baffle (12) is provided at each end of the cross bar (11); when the hooking hole (211) is hooked on the cross bar (11), the baffle (12) can restrict the hooking hole (211) from being separated from the cross bar (11).
8. The mandrel powder spraying hanger according to claim 7, characterized in that: The hanger (1) further comprises a hanging plate (13) and a vertical rod (14); one end of the vertical rod (14) is fixedly connected to the hanging plate (13), and the other end is connected to the middle portion of the crossbar (11).
9. The mandrel powder spraying hanger according to claim 8, characterized in that: The hanger (1) further comprises two diagonal tie rods (15), one end of the two diagonal tie rods (15) is fixedly connected to the vertical rod (14), and the other end is fixedly connected to the horizontal rod (11), and the two diagonal tie rods (15) are respectively arranged on both sides of the vertical rod (14).
10. The mandrel powder spraying hanger according to claim 1, characterized in that: It also includes a plurality of shaft end sleeves (3), one end of each of the shaft end sleeves (3) is open and the other end is closed, and each of the shaft end sleeves (3) is respectively sleeved on both ends of the core shaft (4) to be powder-sprayed.