CN117961693A - Manual polishing device for metal parts and use method thereof - Google Patents

Abstract

The invention discloses a manual polishing device for metal parts and a use method thereof, and relates to the technical field of part polishing. According to the invention, the mechanical part is stably clamped by the clamping piece, the linear distance between the clamping piece and the polishing roller is adjusted along the radial direction of the polishing roller by the adjusting piece, so that burrs on the surface of the mechanical part are sent to the radial side wall of the polishing roller to be polished, and the mechanical part is sent to the polishing position on the outer wall of the polishing roller in a linear feeding manner, so that the influence of position change of the burrs on the surface of the mechanical part on effective polishing of the burrs in the feeding process is avoided.

Description

Manual polishing device for metal parts and use method thereof

Technical Field

The invention relates to the technical field of part polishing, in particular to a manual polishing device for metal parts and a use method thereof.

Background

The teaching of the mechanical specialized course adopts a teacher theoretical surface teaching mode, so that students can master the specialized knowledge of the mechanical course more skillfully, and the practical training course is adopted, so that the students can contact mechanical parts in person, and the structural characteristics, the assembly mode and the corresponding use principle of the mechanical parts are known practically in the practical operation process.

Of course, the training course of the university cannot be provided with various mechanical equipment and parts for students to operate one by one like an enterprise factory, but the training equipment and the training mechanical parts which are the most representative are selected to be used as teaching. The traditional mechanical part machining is indispensable and has a series of traditional machining types such as unloading, polishing, turning, milling, planing, welder and the like, wherein the mode of manually polishing the mechanical part is adopted in polishing, and the type is in order to ensure that students really know the operation flow of polishing, and the surface roughness of the mechanical part after final polishing meets the preset requirement.

Students in the prior art are in fact standard when polishing machine part, often adopt a hand to hold up the machine part motionless, and another hand takes abrasive paper and grinds the operation to the position that has the burr, and this kind of mode is difficult to guarantee on the one hand that single hand is polished effectively grinds the burr off, and on the other hand is polished the in-process and is unable to guarantee that machine part position does not change, leads to abrasive paper friction machine part burr-free position, leads to the machine part surface wall to produce unnecessary polishing, influences machine part structure dimensional accuracy. Therefore, the manual polishing device for the metal parts and the use method thereof are designed so as to solve the problems.

Disclosure of Invention

The invention aims to provide a manual polishing device for metal parts and a use method thereof, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a manual grinding device of metal part, includes grinding table, regulating part and holder, it is concave fluted in the grinding table upper end, the recess inside wall vertical fixation has the stand, the top horizontal extension of stand has the layer board, the layer board up end is fixed with the motor, be connected with the roller of polishing after the motor output rotates and runs through the layer board, the radial lateral wall of stand is fixed with the bracket of convex structure, the adjustable setting of regulating part is at the bracket tip, the holder sets up between regulating part and roller of polishing, the linear distance of holder distance roller is polished along roller radial direction of polishing is adjusted to the regulating part, the mechanical part of centre gripping on the holder steadily supports into the roller radial outer wall of polishing and carries out contact type grinding operation.

In a further embodiment, the adjusting piece comprises a rectangular drawing beam, a supporting seat and an adjusting disc, wherein the end part of the bracket is provided with a rectangular guide frame, the end part of the rectangular drawing beam is fixedly connected with the side wall of the supporting seat after penetrating through the rectangular guide frame in a sliding mode, a slot is formed in the side wall of one side, far away from the rectangular drawing beam, of the supporting seat, a drawing hole communicated with the slot is formed in the axial direction of the rectangular drawing beam, a drawing rod is inserted in the drawing hole in a sliding mode, one end of the drawing rod extends out of one end of the drawing hole and is far away from one end opening of the slot, and an inserting block inserted in the slot is fixed on the axial side wall of the adjusting disc.

In a further embodiment, the side wall of the insert block is fixedly connected with one end of the pull rod penetrating through the slot, a plurality of tooth grooves distributed in an annular structure are formed in the side wall of the insert block facing the slot, a plurality of protruding blocks distributed in an annular structure are formed in the side wall of the insert block facing the slot, and the protruding blocks are connected with the tooth grooves in a clamping mode.

In a further embodiment, the clamping piece comprises an inverted L-shaped pressing frame, a backup plate and a supporting plate arranged at the bottom end of the side wall of the backup plate, the inverted L-shaped pressing frame and the backup plate are fixed on the upper side wall and the lower side wall of the adjusting disc, an adjusting through hole is formed in the horizontal end of the inverted L-shaped pressing frame, guide grooves are formed in the side walls of the two sides in the adjusting through hole, an adjusting sliding block is slidably arranged in the adjusting through hole, guide blocks are fixedly connected with the side walls of the two sides of the adjusting sliding block in a sliding clamping mode and correspond to the guide grooves, adjusting holes of the upper side wall and the lower side wall of the adjusting sliding block are formed in the adjusting sliding block, an adjusting rod is inserted into the adjusting holes, a pressure plate is connected to the bottom end of the adjusting rod in a rotating mode after passing through the adjusting holes, and a clamping space for clamping mechanical parts is formed between the pressure plate and the supporting plate.

In a further embodiment, two support plates are provided and are hinged to the bottom ends of the side walls of the backup plate.

In a further embodiment, the adjusting rod is in threaded connection with the inner wall of the adjusting hole.

In a further embodiment, the radial outer wall of the adjusting rod is provided with one-half turn of external threads, and the radial side wall of the adjusting hole is provided with one-half turn of internal threads.

In a further embodiment, the platen radial side wall is fixedly extended with an expansion plate.

In a further embodiment, the side wall of the polishing table is provided with a placing groove, the groove is of an inverted truncated cone-shaped structure, the bottom end of the groove is communicated with the upper end of the placing groove, and a collecting cylinder is placed in the placing groove.

Preferably, the use method of the manual polishing device for metal parts comprises the following steps:

the mechanical part to be polished is located on a supporting plate at the bottom end of the side wall of the backup plate, and the pressure plate is adjusted to be close to the upper end of the mechanical part along the axial direction of an adjusting through hole of the adjusting sliding block until the pressure plate completely presses the mechanical part on the supporting plate;

The mechanical part contact polishing roller outer wall after can straight line feeding clamp is carried out the operation of polishing afterwards, and the mode of polishing department of roller outer wall department will be polished to the mechanical part is fed to the mode through sharp pay-off, avoids mechanical part surface burr to take place the position change in the pay-off in-process and influences the effective polishing to the burr on the one hand, and on the other hand contact is polished the in-process and is limited by the stable centre gripping of holder, can not cause mechanical part to rock and take place the position change, avoids leading to mechanical part surface wall to produce unnecessary polishing.

Compared with the prior art, the invention has the beneficial effects that:

According to the invention, the mechanical part is stably clamped by the clamping piece, the linear distance between the clamping piece and the polishing roller is adjusted along the radial direction of the polishing roller by the adjusting piece, and then burrs on the surface of the mechanical part are sent to the radial side wall of the polishing roller to be polished, and the manner of polishing the outer wall of the polishing roller by the mechanical part is fed in a linear feeding manner, so that the phenomenon that the burrs on the surface of the mechanical part are effectively polished due to the influence of position change in the feeding process is avoided, and the contact polishing process is limited by the stable clamping of the clamping piece, the mechanical part is prevented from shaking to generate position change, and the unnecessary polishing of the surface wall of the mechanical part is avoided.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present invention;

FIG. 3 is a schematic view of the structure of the adjusting member according to the present invention;

FIG. 4 is a schematic view of a part assembly of a clamping member according to the present invention;

FIG. 5 is a cross-sectional view of the adjusting slider and adjusting lever structure of the present invention;

FIG. 6 is a top view cross-sectional view of the adjustment slider and adjustment lever of the present invention;

FIG. 7 is a schematic view of an assembled structure of a polishing table and a collecting cylinder according to the present invention;

fig. 8 is a semi-sectional view of the polishing table structure of the present invention.

In the figure: 1. a grinding table; 11. a groove; 12. a column; 13. a motor; 14. a grinding roller; 2. a bracket; 21. a rectangular pull beam; 22. a support base; 23. inverted L-shaped pressing frame; 231. an adjusting slide block; 2311. an internal thread; 24. an adjusting rod; 241. an external thread; 25. a pressure plate; 251. an expansion board; 26. a pull rod; 27. an adjusting plate; 271. inserting blocks; 28. a backup plate; 29. a support plate; 3. and a collection cylinder.

Detailed Description

The following description will clearly and fully describe the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The embodiment provides a manual grinding device of metal parts, including polishing platform 1, regulating part and clamping part, the recess has recess 11 in polishing platform 1 upper end, and recess 11 inside wall vertical fixation has stand 12, and stand 12's top horizontal extension has the layer board, and the layer board up end is fixed with motor 13, is connected with the grinding roller 14 after motor 13 output rotates and runs through the layer board. The motor 13 drives the grinding roller 14 to rotate, and provides a grinding power source. The radial lateral wall of stand 12 is fixed with the bracket 2 of convex structure, and the setting of regulating part is adjustable to be put at bracket 2 tip, and the setting of clamping part is between regulating part and grinding roller 14, and the linear distance of clamping part distance grinding roller 14 is adjusted along grinding roller 14 radial direction to the regulating part, and the mechanical part of clamping on the clamping part steadily supports into the radial outer wall of grinding roller 14 and carries out contact grinding operation. As shown in fig. 1, the mechanical part is stably clamped by using the clamping piece, the linear distance between the clamping piece and the polishing roller is adjusted along the radial direction of the polishing roller 14 by using the adjusting piece, and then the surface burrs of the mechanical part are sent to the radial side wall of the polishing roller 14 to be polished, and the mechanical part is fed in a manner of linear feeding to polish the outer wall of the polishing roller 14, so that the influence of the position change of the surface burrs of the mechanical part on the effective polishing of the burrs in the feeding process is avoided, the contact polishing process is limited by the stable clamping of the clamping piece, the position change caused by the shaking of the mechanical part is avoided, and the unnecessary polishing of the surface wall of the mechanical part is avoided.

Specifically, the adjusting piece includes rectangle pull beam 21, supporting seat 22 and regulating disk 27, the bracket 2 tip is equipped with the rectangle guide frame, rectangle pull beam 21 tip slip runs through behind the rectangle guide frame with supporting seat 22 lateral wall fixed connection, the slot has been seted up to one side lateral wall that the rectangle pull beam 21 was kept away from to the supporting seat 22, the pull hole with slot intercommunication has been seted up to rectangle pull beam 21 axial, sliding grafting has pull rod 26 in the pull hole, the one end opening that the slot was kept away from to pull rod 26 one end, regulating disk 27 axial lateral wall is fixed with the inserted block 271 of pegging graft with the slot, can also rotate when sliding pull rod 26 along the pull hole, and then drive the regulating disk 27 that has the inserted block 271 fixed connection and rotate, so that adjust the inclination of clamping piece, adjust the angle of polishing of the mechanical part of clamping, slide the rectangle pull beam 21 along the rectangle in the frame that is convenient for send the mechanical part of clamping to the roller 14 outer wall to polish along the straight line direction. Moreover, the rectangular drawing beam 21 cannot rotate in the rectangular guide frame, so that in the polishing process, as long as the drawing rod 26 does not rotate in the drawing hole, the adjusting plate 27 cannot rotate, and further the mechanical part polishing angle change caused by rotation of the clamping piece is avoided.

Specifically, the holder includes the L type pressure frame 23 that stands upside down, backup plate 28 and set up the backup pad 29 in backup plate 28 lateral wall bottom, the lateral wall about regulating plate 27 is fixed to L type pressure frame 23 that stands upside down and backup plate 28, the regulation through-hole has been seted up to L type pressure frame 23 horizontal end that stands upside down, the guide slot has all been seted up to the both sides lateral wall in the regulation through-hole, the slip is equipped with the regulation slider 231 in the regulation through-hole, the both sides lateral wall of regulation slider 231 all is fixed with and corresponds the guide slot slip joint guide block, the regulation hole of upper and lower lateral wall has been seted up to the regulation slider 231, peg graft in the regulation hole has regulation pole 24, rotate after the regulation pole 24 bottom passes the regulation hole and is connected with pressure disk 25, constitute the centre gripping space of centre gripping mechanical parts between pressure disk 25 and the backup pad 29. As shown in fig. 1 and 4, the mechanical part to be polished is located on the support plate 29 at the bottom end of the sidewall of the backup plate 28, and according to the clamping position, the horizontal position of the adjusting slider 231 needs to be slidingly adjusted along the adjusting through hole, that is, the position of the adjusting platen 25 pressed down on the upper end of the mechanical part is adjusted, so as to ensure the stability of pressing down on the mechanical part. Meanwhile, the adjusting rod 24 is in threaded connection with the inner wall of the adjusting hole, and the adjusting rod 24 is rotated to drive the pressure plate 25 to be adjusted towards the upper end of the mechanical part along the axial direction of the adjusting through hole of the adjusting slide block 231 until the pressure plate 25 completely presses the mechanical part on the supporting plate 29. The clamped mechanical parts can then be fed in a straight line to contact the outer wall of the grinding roller 14 for the grinding operation.

It is further limited that when the mechanical part after the linear feeding and clamping contacts the grinding roller 14 for grinding, the pull rod 26 needs to be kept from rotating in the pull hole, so that the adjusting disc 27 can be prevented from rotating, and further the change of the grinding angle of the mechanical part caused by rotation of the clamping piece is avoided, therefore, the side wall of the insert 271 and one end of the pull rod 26 penetrating through the slot are fixedly connected, a plurality of tooth grooves distributed in an annular structure are formed in the side wall of the insert 271 facing the slot, a plurality of protruding blocks distributed in an annular structure are formed in the side wall of the insert 271 facing the slot, and the protruding blocks are clamped with the tooth grooves. As shown in fig. 3, the pull rod 26 slides along the axial direction in the pull hole, the insert block 271 of the adjusting disk 27 is retracted into the slot, so that the bump is clamped with the tooth slot, and thus the insert block 271 is prevented from rotating, the adjusting disk 27 is prevented from rotating, and the mechanical parts clamped by the clamping pieces are kept from deflecting in the polishing process to affect the accurate polishing operation of the polishing position.

For this purpose, two support plates 29 may be provided and the two support plates 29 are hinged to the bottom end of the sidewall of the back plate 28, in order to maximize the support stability of the support plates 29, due to the different sizes of the mechanical parts. As shown in fig. 2, the two support plates 29 are turned around the hinge position to be opened in a V-shaped structure, so that the support surface is enlarged, and the support stability of the mechanical parts with larger sizes is enhanced.

In addition to the way of complete threaded connection between the adjusting rod 24 and the adjusting hole, a half circle of external threads 241 can be arranged on the radial outer wall of the adjusting rod 24, and a half circle of internal threads 2311 can be arranged on the radial side wall of the adjusting hole. As shown in fig. 5 and 6, the adjusting rod 24 can be screwed with the external screw 241 and the internal screw 2311 only by rotating for half a turn, so as to limit the adjustment of the adjusting rod 24 in the axial direction, and further keep the height of the pressure plate 25 unchanged, thereby ensuring that the mechanical parts are stably clamped between the pressure plate 25 and the support plate 29. And the adjusting rod 24 reversely rotates for half a turn, the external thread 241 is separated from the internal thread 2311 of the adjusting hole and then axially slides along the inside of the adjusting hole, so that the position can be quickly adjusted, the vertical height of the pressure plate 25 can be quickly adjusted, and the adjusting speed can be improved.

An extension plate 251 may also be fixedly extended from a radial sidewall of the pressure plate 25. As shown in fig. 4, by providing the expansion plate 251, the pressing coverage of the pressing plate 25 is expanded, and the pressing stability of the mechanical parts having a large size is enhanced.

In the student applying and polishing process, scraps can be generated, and the generated scraps are scattered on the upper end face of the polishing table 1, so that manual cleaning is needed, and the structure convenient for manual cleaning is designed because equipment used by schools is not high like factory automation degree. Through seting up the standing groove at the platform 1 lateral wall of polishing, recess 11 is the structure of inverted round platform and recess 11 bottom and standing groove upper end intercommunication, has placed the collecting vessel 3 in the standing groove. As shown in fig. 7 and 8, by providing the grooves 11 in an inverted truncated cone shape, the sanding debris is collected at the periphery of the sanding roller 14. The piece slides along the inboard of recess 11 of inverted round platform shape structure, and then falls into the collection section of thick bamboo 3 from the standing groove upper end slot opening, waits after collecting in the collection section of thick bamboo 3, takes out the collection section of thick bamboo 3 from the standing groove and emptys, saves the time of beating the mesa of polishing platform 1.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Manual grinding device of metal parts, including polishing platform (1), regulating part and holder, it has recess (11) to polish the platform (1) upper end indent, recess (11) inside wall vertical fixation has stand (12), the top horizontal extension of stand (12) has the layer board, the layer board up end is fixed with motor (13), be connected with grinding roller (14) after motor (13) output rotates and runs through the layer board, its characterized in that: the radial lateral wall of stand (12) is fixed with bracket (2) of convex structure, adjustable setting is in bracket (2) tip, the holder sets up between adjusting part and grinding roller (14), the straight line distance of holder distance grinding roller (14) is adjusted along grinding roller (14) radial direction to the adjusting part, the mechanical part of centre gripping on the holder steadily supports into grinding roller (14) radial outer wall and carries out contact grinding operation.

2. The manual grinding device for metal parts according to claim 1, wherein: the adjusting piece comprises a rectangular drawing beam (21), a supporting seat (22) and an adjusting disc (27), wherein a rectangular guide frame is arranged at the end part of the bracket (2), the end part of the rectangular drawing beam (21) is fixedly connected with the side wall of the supporting seat (22) after penetrating through the rectangular guide frame in a sliding mode, a slot is formed in the side wall of the supporting seat (22) away from the rectangular drawing beam (21), a drawing hole communicated with the slot is formed in the axial direction of the rectangular drawing beam (21), a drawing rod (26) is inserted in the drawing hole in a sliding mode, one end of the drawing rod (26) extends out of the drawing hole and is far away from an opening of one end of the slot, and an inserting block (271) inserted in the slot is fixed on the axial side wall of the adjusting disc (27).

3. The manual grinding device for metal parts according to claim 2, wherein: the side wall of the inserting block (271) is fixedly connected with one end of the drawing rod (26) penetrating through the slot, a plurality of tooth grooves distributed in an annular structure are formed in the side wall of the inserting block (271) facing the slot, a plurality of protruding blocks distributed in an annular structure are formed in the side wall of the inserting block (271) facing the slot, and the protruding blocks are connected with the tooth grooves in a clamping mode.

4. A manual grinding device for metal parts according to claim 3, characterized in that: the clamping piece comprises an inverted L-shaped pressing frame (23), a backup plate (28) and a supporting plate (29) arranged at the bottom end of the side wall of the backup plate (28), the inverted L-shaped pressing frame (23) and the backup plate (28) are fixed on the upper side wall and the lower side wall of the adjusting disc (27), an adjusting through hole is formed in the horizontal end of the inverted L-shaped pressing frame (23), guide grooves are formed in the side walls of the two sides in the adjusting through hole, an adjusting sliding block (231) is arranged in the adjusting through hole in a sliding mode, sliding clamping guide blocks corresponding to the guide grooves are fixedly arranged on the side walls of the two sides of the adjusting sliding block (231), adjusting holes of the upper side wall and the lower side wall are formed in the adjusting sliding block (231), an adjusting rod (24) is inserted into the adjusting holes, the bottom end of the adjusting rod (24) penetrates through the adjusting holes and then is connected with a pressing disc (25) in a rotating mode, and a clamping space for clamping mechanical parts is formed between the pressing disc (25) and the supporting plate (29).

5. The manual grinding device for metal parts according to claim 4, wherein: the two support plates (29) are arranged, and the two support plates (29) are hinged with the bottom ends of the side walls of the backup plates (28).

6. The manual grinding device for metal parts according to claim 4, wherein: the adjusting rod (24) is in threaded connection with the inner wall of the adjusting hole.

7. The manual grinding device for metal parts according to claim 4, wherein: the radial outer wall of the adjusting rod (24) is provided with one half circle of external threads (241), and the radial side wall of the adjusting hole is provided with one half circle of internal threads (2311).

8. The manual grinding device for metal parts according to claim 4, wherein: an expansion plate (251) fixedly extends to the radial side wall of the pressure plate (25).

9. The manual grinding device for metal parts according to claim 1, wherein: the utility model discloses a polishing platform, including polishing platform (1), recess (11), collecting vessel (3) have been placed in standing groove, standing groove has been seted up to polishing platform (1) lateral wall, recess (11) are the structure of inverted round platform and recess (11) bottom and standing groove upper end intercommunication, collecting vessel (3) have been placed in the standing groove.

10. A method of using a manual metal part grinding device according to any one of claims 1-9, comprising the steps of:

The mechanical part to be polished is located on a supporting plate (29) at the bottom end of the side wall of a backup plate (28), and a pressure plate (25) is adjusted to be close to the upper end of the mechanical part along the axial direction of an adjusting through hole of an adjusting sliding block (231) until the pressure plate (25) completely presses the mechanical part on the supporting plate (29);

The mechanical part after being clamped can be fed in a straight line to contact the outer wall of the polishing roller (14) for polishing, the mechanical part is fed in a straight line feeding mode to polish the outer wall of the polishing roller (14), so that the phenomenon that burrs on the surface of the mechanical part are effectively polished due to position change in the feeding process is avoided, the mechanical part is limited by stable clamping of the clamping piece in the contact polishing process, the mechanical part cannot shake to change in position, and unnecessary polishing of the surface wall of the mechanical part is avoided.