CN220029579U - Cylindrical or spherical workpiece polishing device - Google Patents
Cylindrical or spherical workpiece polishing device Download PDFInfo
- Publication number
- CN220029579U CN220029579U CN202223001676.1U CN202223001676U CN220029579U CN 220029579 U CN220029579 U CN 220029579U CN 202223001676 U CN202223001676 U CN 202223001676U CN 220029579 U CN220029579 U CN 220029579U
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- Prior art keywords
- polishing
- workpiece
- cylindrical
- mandrel
- screw rod
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- 238000005498 polishing Methods 0.000 title claims abstract description 127
- 125000006850 spacer group Chemical group 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims description 13
- 244000137852 Petrea volubilis Species 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a cylindrical or spherical workpiece polishing device, which comprises a base (1), a lead screw (2) and a mandrel (9), wherein a supporting plate is arranged on the base (1), the lead screw (2) is fixed between the supporting plates, a polishing sheet clamping seat (3) is sleeved on the lead screw (2), a polishing sheet bracket (4) provided with a spring piece is arranged on the polishing sheet clamping seat, and a polishing working end of the spring piece is used for polishing a workpiece; the mandrel (9) is parallel to the screw rod and fixed between the support plates, the workpiece to be polished is sleeved on the mandrel (9), the workpiece is separated and fixed by port spacers (10) at two ends of the mandrel (9) and an intermediate spacer (11) between the workpieces, and each spacer is tightly sleeved on the mandrel (9) and tightly sleeved in a cavity to be polished of the workpiece through a boss. The polishing machine can support the polishing requirements of the surfaces of cylindrical or spherical workpieces with various structures and sizes, and can adapt to the polishing requirements of cylindrical workpieces with steps.
Description
Technical Field
The utility model belongs to the technical field of auxiliary tool equipment for surface treatment before and after, and particularly relates to a polishing device for the outer surface of a cylindrical or spherical workpiece.
Background
In the production process of mechanical instrument product parts, polishing before and after surface treatment is sometimes required for cylindrical or spherical workpieces. If the method of full manual polishing is adopted, the working efficiency is lower, and the conditions of difficult gripping and the like can be caused due to the size problem of the workpiece.
At present, an indicator product, namely a gyro motor pontoon is taken as an example, pontoon parts which need chemical nickel plating have very high surface finish requirements, and outer surfaces of the pontoon parts need to be polished before and after plating. The prior art method comprises the following steps: one hand of the operator holds the pontoon workpiece, and the other hand holds sand paper or polishing cloth to polish the outer surface of the workpiece. The part has small size, is difficult to grasp by hands, and the operation method is extremely easy to cause the problems of uneven polishing, low polishing speed and the like, does not meet the product quality requirement, and has low production efficiency.
Disclosure of Invention
In view of the above circumstances in the prior art, an object of the present utility model is to provide a polishing apparatus for cylindrical or spherical workpieces, which is suitable for automatically or semi-automatically polishing or polishing the surface of cylindrical or spherical workpieces with smaller volume and smoother surface, and is particularly suitable for the polishing operation of auxiliary clamping of the cylindrical or spherical workpiece surface under the conditions of difficult hand-holding and high surface finish requirements.
The above object of the present utility model is achieved by the following technical solutions:
a cylindrical or spherical workpiece polishing apparatus comprising: the polishing device comprises a base, a screw rod, a polishing sheet clamping seat, a polishing sheet support, a polishing sheet clamping block and a mandrel, wherein the base is provided with a supporting plate, the screw rod is fixed between the supporting plates and can rotate around the axial direction in a smooth manner, the polishing sheet clamping seat is sleeved on the screw rod and moves axially and reciprocally under the driving of the screw rod, the polishing sheet clamping seat is provided with a mounting hole and a limiting groove for mounting and limiting the polishing sheet support, the polishing sheet support is provided with a spring piece, the polishing working end of the spring piece is a flat rectangular frame with rectangular through holes and used for directly bonding sand paper or polishing cloth and the like, and the polishing sheet clamping block which is wrapped with the sand paper, the polishing cloth and the like can also be used for clamping the polishing sheet clamping block; the spindle parallel to the screw rod is fixed between the support plates and capable of rotating smoothly around the axial direction, the workpiece to be polished is sleeved on the spindle, the workpiece to be polished is separated and fixed by port spacers positioned at two ends of the spindle and a middle spacer between the workpieces, each spacer is tightly sleeved on the spindle, and each spacer is tightly sleeved in a cavity to be polished of the workpiece through a boss.
The polishing device has reasonable and stable structure and simple and convenient operation, can support the polishing requirements of the surfaces of cylindrical or spherical workpieces with various structures and sizes, and can adapt to the polishing requirements of cylindrical workpieces with steps; errors and defects caused by manual operation can be reduced, and the situation that polishing is not in place is avoided; the safety and the working efficiency are improved.
Drawings
FIG. 1 is a schematic top view of a cylindrical workpiece grinding apparatus of the present utility model;
FIG. 2 is a schematic front view of a cylindrical workpiece grinding apparatus of the present utility model;
FIG. 3 is a three-dimensional schematic view of the body structure of the cylindrical workpiece polishing apparatus of the present utility model;
FIG. 4 is a schematic view of the structure of the sanding plate holder;
fig. 5 is a schematic structural view of a polishing sheet holder with a spring piece, wherein fig. 5 (a) is a schematic left-hand view of the polishing sheet holder, and fig. 5 (b) is a schematic front-view of the polishing sheet holder;
FIG. 6 is a schematic view of a spring plate, wherein FIG. 6 (a) is a schematic front view of the spring plate and FIG. 6 (b) is a schematic top view of the spring plate;
FIG. 7 is a schematic view of the structure of the sharpening sheet cartridge;
FIG. 8 is a schematic structural view of a mandrel;
fig. 9 is a schematic diagram of (a) a port septum, (b) an intermediate septum.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples for more clearly understood objects, technical solutions and advantages of the present utility model.
The embodiment provides a device for polishing the outer surface of an indicator product after nickel plating of a gyro motor buoy. Fig. 1 is a schematic top view, fig. 2 is a schematic front view, and fig. 3 is a schematic three-dimensional view of a cylindrical workpiece polishing apparatus according to the present utility model. As shown in the figure, the device of this embodiment includes a base 1, a screw 2, a polishing sheet holder 3, a polishing sheet holder 4, a polishing sheet fixture block 5, a pulley set 6, a motor 7, a driving sleeve 8, a spindle 9, a port spacer 10, an intermediate spacer 11, a fastening nut 12, and a tip cone 13.
The base 1 is provided with a supporting plate, and a bearing hole of the supporting plate can be used for fixing the screw rod 2 and ensuring that the screw rod can rotate around the axial direction smoothly. The support plate is bearing-fitted with the shaft of the motor 7. The support plate is assembled with the fastening nut 12 by means of threads. The base 1 bottom plate is equipped with the guide rail, is equipped with the guide rail groove on polishing piece cassette 3 for the assembly is on the guide rail of base 1, and polishing piece cassette 3 can slide along the guide rail, and the guide rail plays limiting displacement, thereby guarantees that polishing piece cassette 3 slides more stably.
The screw rod 2 is a metal cylinder with a thread in the middle, and the polishing sheet clamping seat 3 can reciprocate along the axial direction of the screw rod 2 through the rotation of the screw rod; the two ends of the screw rod 2 are not provided with threads, and the lengths of the unthreaded positions are respectively equal to the widths of the grinding sheet clamping seats 3, so that the grinding sheet clamping seats 3 are not stressed to move when moving to the unthreaded positions.
One end of the screw rod 2 is connected with a large belt pulley of the belt pulley group 6 through a shaft.
Fig. 4 is a schematic structural view of the polishing sheet cassette. As shown in the figure, the polishing sheet clamping seat 3 is provided with a threaded hole for penetrating through the screw rod 2, so that thrust to the polishing sheet clamping seat 3 is generated when the screw rod 2 rotates. The polishing sheet clamping seat 3 is provided with a mounting hole and an arc limiting groove for mounting and limiting the polishing sheet bracket 4.
Fig. 5 is a schematic structural view of a polishing sheet holder with a spring sheet, wherein fig. 5 (a) is a schematic left-hand view of the polishing sheet holder, and fig. 5 (b) is a schematic front-view of the polishing sheet holder. As shown in the figure, the polishing sheet support 4 is provided with a mounting hole for being assembled with the polishing sheet clamping seat 3 through a mounting shaft and capable of rotating around the mounting shaft. The polishing sheet support 4 is provided with a limiting hole, and bolts and nuts penetrate through the limiting hole and the arc-shaped limiting groove of the polishing sheet clamping seat to conduct limiting fastening.
In addition, a handle can be arranged on the polishing sheet support 4 for the operator to carry out handheld operation.
The polishing sheet support 4 is provided with a spring piece by welding or riveting (see fig. 6, wherein fig. 6 (a) is a front view schematic diagram of the spring piece, fig. 6 (b) is a top view schematic diagram of the spring piece), and a polishing working end of the spring piece is a flat rectangular frame with rectangular through holes, which can be used for directly bonding sand paper, polishing cloth and the like, and also can be used for clamping a polishing sheet clamping block 5 (see fig. 7) wrapped with sand paper, polishing cloth and the like.
The polishing sheet clamping block 5 is used for mounting polishing articles such as sand paper and polishing cloth, and the shape can be selected according to the working requirement. The sanding paper, polishing cloth and the like with proper sizes are wrapped on the sanding fixture block 5 and then clamped into the rectangular through holes of the spring piece of the sanding sheet bracket 4, so that the sanding paper, polishing cloth and the like can be fixed on the sanding fixture block 5.
The belt pulley group 6 consists of two belt pulleys with different diameters, the belt is used for connection transmission, a small belt pulley is arranged on the shaft of the motor 7, a large belt pulley is arranged on the shaft of the screw rod 2, and the rotation speed of the screw rod can be adjusted by selecting the belt pulleys with different diameters; the motor 7 is arranged on the base 1 and provides rotating power for the screw rod 2 and the mandrel 9; the axis of the motor 7 can change the direction of rotation; the transmission shaft sleeve 8 is arranged on the shaft of the motor 7, and is provided with a square groove for being matched with the mandrel 9; in addition, it is obvious that the screw 2 and the spindle 9 can be turned by separate motors.
Fig. 8 is a schematic structural diagram of a mandrel, and a baffle structure with limiting and fixing functions is arranged on the mandrel 9 and is used for fixing a workpiece. One end of the mandrel 9 matched with the driving shaft sleeve 8 is provided with a square head for being matched with the driving shaft sleeve, and the other end of the mandrel 9 is provided with a conical groove for being matched with the tip cone 13. The cylindrical surface of the end, provided with the conical groove, of the mandrel 9 is provided with threads for being matched with the fastening nut 12.
Fig. 9 (a) and 9 (b) are schematic views of a port spacer and an intermediate spacer, respectively, where the port spacer 10 and the intermediate spacer 11 are used to cooperate with a workpiece to separate the workpiece, and one side of the port spacer 10 is provided with a boss matching the size of the inner cavity of the workpiece, so as to fix the workpiece. The two sides of the middle spacer 11 are respectively provided with a boss matched with the size of the inner cavity of the workpiece, so that the workpiece can be fixed. The through hole in the middle of each spacer can be tightly sleeved on the mandrel 9, the boss of each spacer can be tightly sleeved in the cavity of the workpiece, and the size of each spacer can be different according to the size of the workpiece to be polished.
The fastening nut 12 is arranged at the threaded end of the mandrel 9 and is used for fastening a workpiece; the tip cone 13 is installed on a threaded hole of a supporting plate of the base 1 through the threaded hole, and the mandrel 9 can be fastened, loosened and the like through rotating a hexagonal turntable of the tip cone 13.
When the polishing method is specifically used, the polishing steps are as follows:
step 1: the base 1 is horizontally and stably placed on a workbench;
step 2: the port spacer 10 required by the workpiece is selected to be sleeved on the mandrel 9 and cling to the baffle on the mandrel;
step 3: the work pieces are sleeved on the mandrel 9 and the work pieces are separated by an intermediate spacer 11 required by the work pieces;
step 4: after the required number of workpieces are sleeved, selecting a port spacer 10 with the required size of the workpieces to be sleeved on the mandrel 9, and then fixing the workpieces by using a fastening nut 12;
step 5: the square end of a mandrel 9 sleeved with a workpiece is arranged in a square groove of a driving shaft sleeve 8, and a tip cone 13 is screwed for fixing;
step 6: using a polishing sheet clamping block 5 with an arc bottom surface, using 1000-mesh sand paper as a polishing material, and pressing the cut sand paper on a spring piece of a polishing sheet bracket;
step 7: the grinding sheet clamping seat 5 is positioned at one end of the screw rod 2 close to the motor 7, and the grinding sheet bracket 4 is pressed down until the sand paper is pressed on the surface of the workpiece to be ground and a certain pressure is maintained. If an automatic polishing mode is adopted, bolts and nuts on two sides of the polishing sheet bracket 4 are screwed to fix the positions of the polishing sheet bracket. If a semiautomatic polishing mode is adopted, the position of the polishing sheet bracket 4 is fixed by a handheld method;
step 8: after the belt pulley group 6 is checked to be normally installed, the motor 7 is started, so that the mandrel 9 and the screw rod 2 are started;
step 9: the grinding sheet clamping seat 5 is slightly pushed to one side close to the motor 7, so that the grinding sheet clamping seat is subjected to the acting force of the screw rod 2, and the grinding sheet bracket 4 is driven to move along the screw rod 2 from one end of the screw rod 2 until the grinding sheet bracket moves to the other end of the screw rod 2 to stop moving, so that one-time grinding is finished;
step 10: adjusting the rotation direction of the shaft of the motor 7, slightly pushing the clamping seat 5 of the polishing sheet away from one side of the motor 7 to enable the clamping seat to be subjected to the acting force of the screw rod 2, driving the polishing sheet bracket 4 to move along the screw rod 2 from one end of the screw rod 2 until the clamping seat moves to the other end of the screw rod 2 to stop moving, and finishing polishing once;
step 11: repeating the step 9 and the step 10 to realize repeated polishing;
step 12: the position of the polishing sheet bracket 4 is adjusted according to the polishing degree in the polishing process;
step 13: in the polishing process, a new polishing material is required to be replaced according to the polishing degree, when the polishing material is replaced, the motor 7 is stopped, and the polishing sheet bracket 4 is lifted and then replaced;
step 14: repeating the steps 7 to 13 until all polishing work is completed;
step 15: replacing the sand paper with polishing cloth according to the method of the step 6, and coating polishing paste;
step 16: repeating the steps 7 to 13 by using polishing cloth as polishing material until all polishing work is completed;
step 17: and disassembling all parts, cleaning and resetting.
The utility model is suitable for polishing and other operations on the cylindrical or spherical workpiece surface with smaller volume and smoother surface by adopting an automatic or semi-automatic method, and is particularly suitable for the polishing operation of auxiliary clamping on the cylindrical or spherical workpiece surface under the conditions of difficult handheld fixation, high surface finish and the like.
Claims (8)
1. The cylindrical or spherical workpiece polishing device comprises a base (1), a screw rod (2) and a mandrel (9), and is characterized in that a supporting plate is arranged on the base (1), the screw rod (2) is fixed between the supporting plates and can rotate around the axial direction in a smooth manner, a polishing sheet clamping seat (3) which moves axially and reciprocally under the drive of the screw rod (2) is sleeved on the screw rod (2), a polishing sheet support (4) is arranged on the polishing sheet clamping seat (3), a spring piece is arranged on the polishing sheet support (4), and a polishing working end of the spring piece is directly adhered with sand paper or polishing cloth, or a polishing sheet clamping block (5) which is used for clamping and wrapping the sand paper or polishing cloth is used for polishing a workpiece; the mandrel (9) is parallel to the screw rod (2) and fixed between the support plates, and can rotate smoothly around the axial direction, the workpiece to be polished is sleeved on the mandrel (9), the workpiece is separated and fixed by port spacers (10) positioned at two ends of the mandrel (9) and an intermediate spacer (11) between the workpieces, each spacer is tightly sleeved on the mandrel (9), and each spacer is tightly sleeved in a cavity to be polished of the workpiece through a boss.
2. A cylindrical or spherical workpiece polishing device according to claim 1, characterized in that the base plate of the base (1) is provided with a guide rail on which the polishing plate holder (3) can slide.
3. A cylindrical or spherical workpiece polishing apparatus as claimed in claim 1, wherein said spring plate is mounted on said polishing plate holder (4) by welding or riveting.
4. A cylindrical or spherical workpiece polishing apparatus as claimed in claim 1, wherein the polishing work end of the spring piece is a flat rectangular frame with rectangular through holes for directly bonding sandpaper or polishing cloth or for clamping the polishing sheet clamping block (5).
5. A cylindrical or spherical workpiece polishing apparatus as claimed in claim 1, wherein the screw (2) and spindle (9) are each rotated by separate motors.
6. A cylindrical or spherical workpiece polishing device according to claim 1, characterized in that the screw (2) and the spindle (9) are rotated by a motor (7) and a pulley set (6), wherein the pulley set (6) consists of two pulleys of different diameters, a small pulley being mounted on the shaft of the motor (7) and a large pulley being mounted on the shaft of the screw (2).
7. A cylindrical or spherical workpiece polishing apparatus as claimed in claim 1, wherein the screw (2) has no screw thread at both ends, and the length of the screw thread-free position is equal to the width of the polishing sheet holder (3), respectively.
8. A cylindrical or spherical workpiece polishing apparatus as claimed in claim 1, wherein said polishing sheet holder (4) is provided with a handle for hand-held operation by an operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001676.1U CN220029579U (en) | 2022-11-11 | 2022-11-11 | Cylindrical or spherical workpiece polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001676.1U CN220029579U (en) | 2022-11-11 | 2022-11-11 | Cylindrical or spherical workpiece polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220029579U true CN220029579U (en) | 2023-11-17 |
Family
ID=88741390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223001676.1U Active CN220029579U (en) | 2022-11-11 | 2022-11-11 | Cylindrical or spherical workpiece polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220029579U (en) |
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2022
- 2022-11-11 CN CN202223001676.1U patent/CN220029579U/en active Active
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