CN112677000A - Burnishing and polishing device suitable for plastic part - Google Patents

Abstract

The invention discloses a grinding and polishing device suitable for a plastic part, which comprises a rack, wherein a product rotating mechanism and a product grinding mechanism are arranged on the rack, the product grinding mechanism comprises two grinding assemblies oppositely arranged on two sides of the plastic part, and each grinding assembly comprises a sand paper board, a Y-axis motion structure connected with the sand paper board and used for driving the sand paper board to reciprocate along the Y-axis direction, and an X-axis motion structure connected with the Y-axis motion structure and used for driving the Y-axis motion structure and the sand paper board to reciprocate along the X-axis direction. According to the invention, the sanding plate can be driven to reciprocate along the Y-axis direction through the Y-axis motion structure, so that the sanding plate forms a polishing mode of linear reciprocating polishing, the polishing uniformity of two sides of the plastic part can be greatly improved, meanwhile, the product rotating mechanism can drive the plastic part product to rotate, the polishing uniformity is further improved, and the product rejection rate and the secondary rework rate are favorably reduced.

Description

Burnishing and polishing device suitable for plastic part

Technical Field

The invention relates to the technical field of polishing devices, in particular to a polishing device suitable for plastic parts.

Background

In the prior art, the plastic product that sprays paint needs the face parting line that sprays paint of plastic part to polish before the spraying and polish, at present, the polishing mode that is used for the plastic part product of structure on the pen or structure under the pen adopts abrasive paper fixed mostly, the polishing mode of the one-way rectilinear motion of plastic part product, the poor one side of plastic part parting line section is easily polished totally, the opposite side is difficult to polish totally, product one side that easily polishes causes the throwing to collapse and leads to the product to scrap, and the parting line of the one side that is difficult to polish needs the secondary to do over again because of polishing totally easily, influence production efficiency, and plastic part product unidirectional motion leads to produce the emery paper trace of direction through the easy plastic part product surface of abrasive paper, lead to being in and produce harmfully such as granule or pockmark easily after the spraying.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a polishing device suitable for plastic parts, which mainly solves the technical problem that the polishing device in the prior art is easy to cause uneven polishing of plastic part products, thereby causing scrapping or secondary reworking.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a burnishing and polishing device suitable for plastic part, which comprises a frame, be equipped with in the frame and be used for driving plastic part axial pivoted product slewing mechanism and be used for carrying out the product grinding machanism of burnishing and polishing to the global of plastic part, product grinding machanism includes that two set up the subassembly of polishing in the plastic part both sides relatively, the subassembly of polishing includes the sand cardboard, be connected with the sand cardboard and be used for driving the sand cardboard along Y axle direction reciprocating motion's Y axle motion structure and be connected with Y axle motion structure and be used for driving Y axle motion structure and sand cardboard along X axle direction reciprocating motion's X axle motion structure together.

Furthermore, the X-axis motion structure comprises an X-axis sliding seat arranged on the rack in a sliding mode and an X-axis driver connected to the rack and used for driving the X-axis sliding seat to do linear reciprocating motion relative to the rack along the X-axis direction.

Furthermore, the Y-axis motion structure comprises a Y-axis sliding plate arranged on the X-axis sliding seat in a sliding mode and a Y-axis driving component connected to the rack and used for driving the Y-axis sliding plate to do linear reciprocating motion relative to the X-axis sliding seat along the Y-axis direction, and the abrasive paper plate is connected to the Y-axis sliding plate.

Furthermore, a linkage piece capable of enabling the two Y-axis sliding plates to move synchronously is arranged between the Y-axis sliding plates of the two oppositely-arranged polishing assemblies in the product polishing mechanism.

Further, Y axle driver part includes cam driving motor and the cam of being connected through gear train and cam driving motor transmission, swing joint has a drive block on the cam, the linkage includes the slide rail of arranging along X direction level, double-phase Y axle slide that sets up relatively is respectively through a slider sliding connection on the slide rail, and the drive block is in the same place with sliding rail connection, when the cam driving motor drive cam rotates, can change cam circular motion into the synchronous linear reciprocating motion of two Y axle slides through the cooperation of drive block and slide rail.

Furthermore, the two ends of the slide rail are fixedly connected with a limiting block which is used for preventing the slide block and the slide rail from falling off.

Furthermore, the back of the sand paper board is provided with a dovetail-shaped protrusion, the Y-axis sliding plate is provided with a dovetail groove matched with the dovetail-shaped protrusion, and the sand paper board is detachably connected to the Y-axis sliding plate through the insertion fit of the dovetail-shaped protrusion and the dovetail groove.

Furthermore, the X-axis driver is a cylinder fixedly connected to the rack, and the driving end of the cylinder is fixedly connected with the X-axis sliding seat.

Further, product slewing mechanism includes that a plurality of rotates the dwang that connects in the frame and can supply the plastic part adaptation of a structure or a structure under the pen to embolia, is equipped with dwang driving motor in the frame, and dwang driving motor passes through the gear train and is connected in order to drive each dwang synchronous rotation with each dwang mechanical transmission.

Furthermore, two sets of product rotating mechanisms and two sets of product polishing mechanisms which are respectively arranged corresponding to the two product rotating mechanisms are arranged on the rack, so that a double-station structure is formed.

The technical scheme has the following advantages or beneficial effects:

in the polishing device suitable for the plastic parts, the driving of the X-axis motion structure can drive the Y-axis motion structure and the sand paper board to reciprocate along the X-axis direction, so that before polishing, the two X-axis motion structures can respectively drive the two Y-axis motion structures and the sand paper board to approach each other, the two sand paper boards clamp the plastic parts to be polished, and then the Y-axis motion structures can drive the sand paper board to reciprocate along the Y-axis direction, so that the sand paper board forms a linear reciprocating polishing mode, compared with the polishing mode of one-way linear motion of sand paper in the prior art, the linear reciprocating polishing mode of the sand paper board can greatly improve the polishing uniformity of two sides of the plastic parts, meanwhile, the product rotating mechanism can drive the plastic parts to rotate, so that the polishing uniformity of the plastic parts can be further improved, the polishing method is favorable for reducing the rejection rate and the secondary rework rate of products, improving the production efficiency of the products and saving the production cost, and the polishing mode of the product rotation and the linear reciprocating polishing of the abrasive paper plate can improve the polishing uniformity and reduce the possibility of producing abrasive paper marks on the surface of the plastic part, thereby being favorable for improving the polishing quality of the plastic part and improving the conditions that the plastic part generates particles or pockmarks during subsequent paint spraying and the like.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of another embodiment of the present invention.

Fig. 3 is a side view of an embodiment of the present invention.

Fig. 4 is a schematic view of the internal structure of the embodiment of the present invention.

FIG. 5 is a schematic view of another angle internal structure of the embodiment of the present invention.

Description of reference numerals:

1. the grinding machine comprises a frame, 2, a product rotating mechanism, 3, a product grinding mechanism, 4, a plastic part, 21, a rotating rod, 22, a rotating rod driving motor, 31, a grinding component, 311, a sand paper plate, 312, a Y-axis motion structure, 313, an X-axis motion structure, 3121, a Y-axis sliding plate, 3122, a Y-axis driving part, 3123, a linkage part, 3131, an X-axis sliding seat, 3132, an X-axis driver, 31221, a cam driving motor, 31222, a cam, 31223, a driving block, 31231, a sliding rail, 31232, a sliding block, 31233 and a limiting block.

Detailed Description

The invention is further described with reference to the following figures and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a polishing device suitable for plastic parts, including a frame 1, wherein the frame 1 is provided with a product rotating mechanism 2 for driving a plastic part 4 to axially rotate and a product polishing mechanism 3 for polishing a circumferential surface of the plastic part 4, the product polishing mechanism 3 includes two polishing assemblies 31 oppositely disposed on two sides of the plastic part 4, each polishing assembly 31 includes a sand paper plate 311, a Y-axis moving structure 312 connected to the sand paper plate 311 and used for driving the sand paper plate 311 to reciprocate along a Y-axis direction, and an X-axis moving structure 313 connected to the Y-axis moving structure 312 and used for driving the Y-axis moving structure 312 and the sand paper plate 311 to reciprocate along the X-axis direction. It can be understood that, in this embodiment, the driving of the X-axis moving structure 313 can drive the Y-axis moving structure 312 and the sanding plate 311 to reciprocate along the X-axis direction, therefore, before polishing, the two Y-axis moving structures 312 and the sanding plate 311 can be respectively driven by the two X-axis moving structures 313 to approach each other, so that the two sanding plates 311 clamp the plastic part 4 to be polished, and then the Y-axis moving structure 312 can drive the sanding plate 311 to reciprocate along the Y-axis direction, so that the sanding plate 311 forms a linear reciprocating polishing mode, compared with the polishing mode of unidirectional linear motion of the sand paper in the prior art, the linear reciprocating polishing mode of the sanding plate 311 can greatly improve the polishing uniformity of both sides of the plastic part 4, and meanwhile, the product rotating mechanism 2 can also drive the plastic part 4 to rotate by itself, so as to further improve the polishing uniformity of the plastic part 4, therefore, the polishing mode of the plastic part 4 of the embodiment is the rotation of the plastic part 4, and meanwhile, the sanding plate 311 is linearly and repeatedly polished, the polishing uniformity of the plastic part 4 can be well guaranteed through the mutual matching of the polishing components 31 of the product polishing mechanism 3 and the two sides, the product rejection rate and the secondary rework rate are favorably reduced, the product production efficiency is improved, the production cost is saved, in addition, the polishing mode of the sanding plate 311 which is linearly and repeatedly polished can also reduce the possibility of producing the sanding marks on the surface of the plastic part 4 when the polishing uniformity is improved, the polishing quality of the plastic part 4 is favorably improved, and the conditions that the plastic part 4 generates particles or pits are bad when in subsequent paint spraying are improved.

Referring to fig. 4 and 5, in a preferred embodiment, the X-axis moving structure 313 includes an X-axis sliding base 3131 slidably disposed on the frame 1, and an X-axis driver 3132 connected to the frame 1 for driving the X-axis sliding base 3131 to linearly reciprocate along the X-axis direction relative to the frame 1. Preferably, the X-axis driver 3132 is a cylinder fixedly connected to the frame 1, and a driving end of the cylinder is fixedly connected to the X-axis sliding block 3131. However, it should be understood by those skilled in the art that in other embodiments, the X-axis driver 3132 may also be a driving structure such as a cylinder or a motor, and is not limited to the cylinder disclosed in the present embodiment, and those skilled in the art can specifically select the driving structure according to specific needs.

Referring to fig. 1 to 5, in a preferred embodiment, the Y-axis moving structure 312 includes a Y-axis sliding plate 3121 slidably mounted on an X-axis sliding base 3131, and a Y-axis driving member 3122 connected to the frame 1 for driving the Y-axis sliding plate 3121 to linearly reciprocate along the Y-axis direction with respect to the X-axis sliding base 3131, and the sandpaper board 311 is connected to the Y-axis sliding plate 3121. Preferably, a linkage 3123 for synchronizing the movement of the two Y-axis sliding plates 3121 is provided between the Y-axis sliding plates 3121 of the two oppositely disposed sanding assemblies 31 of the product sanding mechanism 3. In one preferred embodiment, the Y-axis driving member 3122 includes a cam driving motor 31221 and a cam 31222 in transmission connection with the cam driving motor 31221 through a gear set, a driving block 31223 is movably connected to the cam 31222, the linkage 3123 includes a sliding rail 31231 horizontally arranged along the X direction, two oppositely disposed Y-axis sliding plates 3121 are respectively slidably connected to the sliding rail 31231 through a sliding block 31232, and the driving block 31223 is slidably connected to the sliding rail 31231, so that when the cam driving motor 31221 drives the cam 31222 to rotate, the circular motion of the cam 31222 can be converted into the synchronous linear reciprocating motion of the two Y-axis sliding plates 3121 through the cooperation of the driving block 31223 and the sliding rail 31231. It can be understood that, by the cooperation of the cam mechanism formed by the cam driving motor 31221 and the cam 31222 in transmission connection with the cam driving motor 31221 through the gear set and the linkage member 3123, the two Y-axis sliding plates 3121 can be simultaneously driven to synchronously and linearly reciprocate along the Y-axis direction to form a linear reciprocating polishing mode for the plastic part 4 without affecting the inward and outward movement of the two X-axis sliding blocks 3131 along the X-axis direction. And cam mechanism and link 3123's overall structure is simple effective, and the motion is steady, need not to use control structure such as the high servo motor of cost, is favorable to reducing use cost, and makes the straight reciprocating motion uniformity of two relative sand cardboard 311 that set up good through the link, can effectively improve the degree of consistency of polishing of plastic part 4.

Referring to fig. 4, in a preferred embodiment, two ends of the sliding rail 31231 are fixedly connected with a limit block 31233 for preventing the sliding block 31232 and the sliding rail 31231 from falling off.

Referring to fig. 1 and 4, in a preferred embodiment, a dovetail-shaped protrusion is disposed on the back of the sandpaper plate 311, a dovetail groove adapted to the dovetail-shaped protrusion is disposed on the Y-axis sliding plate 3121, and the sandpaper plate 311 is detachably connected to the Y-axis sliding plate 3121 by the insertion and engagement of the dovetail-shaped protrusion and the dovetail groove. It can be understood that, can make sand paper board 311 carry out the dismouting with Y axle slide 3121 fast through the grafting cooperation of dovetail protruding with the dovetail, be favorable to improving dismouting efficiency, in addition, the abrasive paper of usefulness of polishing can be through sticky mode adhesion on sand paper board 311, because the abrasive paper of usefulness of polishing need be renewed after using a period of time, consequently, make the change operation of abrasive paper swift convenient through connected modes such as double faced adhesive tape, reduced and shut down and changed the abrasive paper time, be favorable to raising the efficiency.

Referring to fig. 1, fig. 3 and fig. 5, in a preferred embodiment, the product rotation mechanism 2 includes a plurality of rotation rods 21 rotatably connected to the frame 1 and adapted to be inserted by the plastic part 4 of the pen upper structure or the pen lower structure, a rotation rod driving motor 22 is disposed in the frame 1, and the rotation rod driving motor 22 is mechanically connected to each rotation rod 21 through a gear set to drive each rotation rod 21 to rotate synchronously. It can be understood that the rotating rod driving motor 22 can drive each rotating rod 21 to rotate forward and backward synchronously at a small angle (the forward and backward rotation angle of the rotating rod 21 of the embodiment can be 1 to 15 degrees) through the gear set, so that the plastic parts 4 on each rotating rod 21 can also rotate synchronously, and the consistency of the polishing degree of each plastic part 4 can be improved.

Referring to fig. 1 to 5, in a preferred embodiment, two sets of product rotating mechanisms 2 and two sets of product polishing mechanisms 3 respectively corresponding to the two product rotating mechanisms 2 are disposed on the frame 1 to form a double-station structure. However, it should be understood by those skilled in the art that in other embodiments, other numbers of the product rotating mechanisms 2 and the product grinding mechanisms 3 may be disposed on the machine frame 1 to form a multi-station structure, such as three-station or four-station, so as to further increase the grinding throughput of the plastic parts 4, and the embodiments are not limited to the embodiments disclosed in the present embodiment, and those skilled in the art can design the machine frame according to specific needs.

During operation, firstly, feeding is carried out, a plurality of plastic parts 4 of pen upper structures or pen lower structures to be polished are respectively sleeved on each rotating rod 21 of the product rotating mechanism 2, then, each X-axis driver 3132 (air cylinder) acts to enable the sand paper plates 311 to be arranged oppositely to approach each other so as to tighten the plastic parts 4, then, the wheel driving motor 31221 in the Y-axis moving structure 312 drives the cam 31222 to rotate through a gear set, then, the driving block 31223 connected to the cam 31222 is in sliding fit with the sliding rail 31231 of the linkage member 3123 in a rotating mode, the circular motion of the cam 31222 is converted into the synchronous linear reciprocating motion of the two Y-axis sliding plates 3121, so that a sand paper reciprocating polishing mode is formed, meanwhile, the rotating rod driving motor 22 drives each rotating rod 21 to rotate synchronously through the gear set, so that the plastic parts 4 on each rotating rod 21 rotate synchronously, the plastic parts 4 are uniformly polished through the matching of the product rotating mechanism 2 and the product polishing mechanism 3, after the grinding is finished, the X-axis movement structure 313 is reset, so that the two sandpaper plates 311 loosen the plastic parts 4, and finally, blanking can be performed, and each plastic part 4 which is finished by grinding and polishing can be taken down from the corresponding rotating rod 21.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and these modifications or substitutions do not make the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention, so that all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a burnishing and polishing device suitable for plastic part which characterized in that: including frame (1), be equipped with on frame (1) and be used for driving plastic part (4) axial pivoted product slewing mechanism (2) and be used for polishing the global product grinding machanism (3) of plastic part (4), product grinding machanism (3) include two sets up grinding assembly (31) in plastic part (4) both sides relatively, grinding assembly (31) include sand cardboard (311), be connected with sand cardboard (311) and be used for driving sand cardboard (311) along Y axle direction reciprocating motion's Y axle motion structure (312) and be connected with Y axle motion structure (312) and be used for driving Y axle motion structure (312) and sand cardboard (311) along X axle direction reciprocating motion's X axle motion structure (313) together.

2. The grinding and polishing device for plastic parts according to claim 1, wherein: the X-axis motion structure (313) comprises an X-axis sliding base (3131) arranged on the machine frame (1) in a sliding mode and an X-axis driver (3132) connected to the machine frame (1) and used for driving the X-axis sliding base (3131) to do linear reciprocating motion relative to the machine frame (1) along the X-axis direction.

3. The grinding and polishing device for plastic parts according to claim 2, wherein: the Y-axis motion structure (312) comprises a Y-axis sliding plate (3121) arranged on the X-axis sliding base (3131) in a sliding mode and a Y-axis driving component (3122) connected to the machine frame (1) and used for driving the Y-axis sliding plate (3121) to do linear reciprocating motion along the Y-axis direction relative to the X-axis sliding base (3131), and the sand paper plate (311) is connected to the Y-axis sliding plate (3121).

4. The grinding and polishing device for plastic parts according to claim 3, wherein: a linkage piece (3123) capable of enabling the two Y-axis sliding plates (3121) to move synchronously is arranged between the Y-axis sliding plates (3121) of the two oppositely arranged grinding assemblies (31) in the product grinding mechanism (3).

5. The grinding and polishing device for plastic parts according to claim 4, wherein: the Y-axis driving component (3122) comprises a cam driving motor (31221) and a cam (31222) in transmission connection with the cam driving motor (31221) through a gear set, the cam (31222) is movably connected with a driving block (31223), the linkage (3123) comprises a sliding rail (31231) horizontally arranged along the X direction, two oppositely arranged Y-axis sliding plates (3121) are respectively connected on the sliding rail (31231) in a sliding manner through a sliding block (31232), and the driving block (31223) is connected with the sliding rail (31231) together, so that when the cam driving motor (31221) drives the cam (31222) to rotate, the circular motion of the cam (31222) can be converted into the synchronous linear reciprocating motion of the two Y-axis sliding plates (3121) through the matching of the driving block (31223) and the sliding rail (31231).

6. The grinding and polishing device for plastic parts according to claim 5, wherein: two ends of the sliding rail (31231) are fixedly connected with a limiting block (31233) for preventing the sliding block (31232) and the sliding rail (31231) from falling off and matching.

7. The grinding and polishing device for plastic parts according to claim 3, wherein: the back of the sand paper plate (311) is provided with a dovetail-shaped protrusion, a dovetail groove matched with the dovetail-shaped protrusion is formed in the Y-axis sliding plate (3121), and the sand paper plate (311) is detachably connected to the Y-axis sliding plate (3121) through the insertion fit of the dovetail-shaped protrusion and the dovetail groove.

8. The grinding and polishing device for plastic parts according to claim 2, wherein: the X-axis driver (3132) is a cylinder fixedly connected to the frame (1), and the driving end of the cylinder is fixedly connected with the X-axis sliding seat (3131).

9. The grinding and polishing device for plastic parts according to any one of claims 1 to 8, wherein: product slewing mechanism (2) include that a plurality of rotates connect in frame (1) and can supply plastic part (4) adaptation of a structure or a structure down to embolia dwang (21), are equipped with dwang driving motor (22) in frame (1), and dwang driving motor (22) are connected in order to drive each dwang (21) synchronous rotation through gear train and each dwang (21) mechanical transmission.

10. The grinding and polishing device for plastic parts according to claim 9, wherein: two sets of product rotating mechanisms (2) and two sets of product polishing mechanisms (3) which are respectively arranged corresponding to the two product rotating mechanisms (2) are arranged on the rack (1) so as to form a double-station structure.

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