CN112848036A

CN112848036A - Production and processing technology of precise injection molding piece

Info

Publication number: CN112848036A
Application number: CN202011499941.6A
Authority: CN
Inventors: 倪枫荷; 胡峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-05-28

Abstract

The invention relates to the technical field of injection molding, in particular to a production and processing technology of a precision injection molding, which uses precision injection molding production and processing equipment and comprises a base, vertical plates, a driving device, a fixing device, a cleaning device and a clamping device, wherein the vertical plates are fixedly connected to the left side and the right side of the upper end of the base; the pushing block can be loosened by rotating the second threaded rod and extruding the second telescopic rod, and the pushing block is pushed forwards by loosening the pushing block to drive the clamping plate to fix the injection molding piece; can be convenient for carry out preliminary treatment to the injection molding surface through the scraper blade, the board of polishing can polish the polishing to the injection molding surface, and the later stage of being convenient for is used.

Description

Production and processing technology of precise injection molding piece

Technical Field

The invention relates to the technical field of injection molding processing, in particular to a production and processing technology of a precise injection molding piece.

Background

Precision injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can also be divided into injection molding and die casting, and the precision injection molding is generally made by die pressing, transfer molding and injection molding. Lamination, molding and thermoforming are the shaping of plastics in a plane. The injection molding part refers to various injection molding products produced by an injection molding machine, and is commonly called injection molding parts, and comprises various packages, parts and the like. The injection molding part is mainly prepared from materials such as polyethylene or polypropylene and various organic solvents, injection molding part products are applied to various fields such as daily necessities, household appliances, industry, automobiles, medical treatment and the like, most of cylindrical injection molding parts used in life are formed by injection molding, for example, common tubular article injection molding parts are formed by injection molding, but the injection molding parts need to be subjected to surface treatment after being molded.

The existing production and processing equipment for precision injection molding parts has the following problems:

(1) when the injection molding part is clamped, the traditional clamping device is inconvenient for clamping the injection molding part, and is inconvenient for adjusting the injection molding part in the clamping process, and the clamping process is complex and is inconvenient for adjusting the clamping device;

(2) when clearing up the injection molding surface, traditional cleaning device only can polish the injection molding surface, is not convenient for polish the injection molding surface, and the polishing needs to be changed the polishing part, influences efficiency easily.

Disclosure of Invention

The technical scheme adopted by the invention to solve the technical problem is as follows: the utility model provides a precision injection molding production and processing technology, its use a precision injection molding production and processing equipment, includes base, riser, drive arrangement, fixing device, cleaning device and clamping device, adopts precision injection molding production and processing equipment when handling precision injection molding as concrete method as follows:

s1, checking equipment: before starting the injection molding production and processing equipment, checking the operation of the equipment;

s2, placing an injection molding rod: the injection molding piece to be processed is placed on the placing plate by pushing the disc;

s3, adjusting the cleaning device: adjusting the first cleaning mechanism and the second cleaning mechanism to the surface of the injection molding piece by screwing the first threaded rod;

s4, starting driving: the injection molding part to be processed is driven to rotate by the rotation of the starting motor, so that the first cleaning mechanism and the second cleaning mechanism clean the surface of the injection molding part;

the injection molding device comprises a base, a clamping device, a fixing device, an injection molding rod, a vertical plate, a driving device, a clamping device, a fixing device and a cleaning device, wherein the vertical plate is fixedly connected to the left side and the right side of the upper end of the base;

drive arrangement is including the motor cabinet, including a motor, an end cap, a controller, and a cover plate, the drive shaft, first sprocket, the second sprocket, chain and reciprocal lead screw, the upper end left side of base is located the left side fixedly connected with motor cabinet of left side riser, the motor is installed to the upper end of motor cabinet, the output fixedly connected with of motor runs through the drive shaft of left side riser, the fixed cover of one end that the drive shaft is close to the motor has connect first sprocket, the last lower extreme outer wall of left side riser runs through there is reciprocal lead screw, the right-hand member of reciprocal lead screw passes through the bearing and is connected with the riser outer wall rotation on right side, the left end of reciprocal lead screw is fixed to be cup jointed the second sprocket, the meshing.

The clamping device comprises a circular ring, a thread groove, a second threaded rod, a second spring, a second connecting rod, a clamping plate, a sliding groove, a fixed block, a pushing block and a second telescopic rod, wherein the tail end of the driving shaft is fixedly connected with the circular ring, one side of the circular ring close to the driving device is in a closed state, but the circular ring is in a cavity structure, one side of the inner cavity of the circular ring close to the outer annular surface is provided with a plurality of fixed blocks which are distributed in an annular manner, the inner annular surface of the circular ring penetrates through the plurality of second connecting rods which are distributed in an annular manner, one end of each second connecting rod is fixedly connected with the clamping plate, the outer side of the clamping plate is fixedly connected with the symmetrical second springs, the tail ends of the second springs are fixedly connected with the inner annular surface of the circular ring together, opposite ends of the second connecting rods and the fixed blocks are provided with rolling balls, the rolling balls are embedded into the connecting rods and the fixed blocks, the, the right-hand member face fixedly connected with second telescopic link of ejector pad, four thread grooves that are the annular and distribute are seted up to the right-hand member face equidistance of ring, and the output of second telescopic link passes through the second threaded rod of thread groove through bearing fixedly connected with, thread groove and second threaded rod threaded connection.

The cleaning device comprises a sliding block, a thread cylinder, a first threaded rod, a first cleaning mechanism and a second cleaning mechanism, the outer side threads of the two reciprocating screw rods are connected with the sliding block, a limiting rod penetrates through the inside of the sliding block, the two ends of the limiting rod are fixedly connected with a vertical plate, the opposite side of the sliding block is fixedly connected with the thread cylinder, the inner threads of the thread cylinder are connected with the first threaded rod, and the lower end of the first threaded rod is respectively connected with the first cleaning mechanism and the second cleaning mechanism through a bearing in a rotating mode.

Preferably, fixing device is including first telescopic link, disc, push rod, place board and first spring, the first telescopic link of middle part fixedly connected with of the riser on right side, and the output of first telescopic link is fixed even has the disc, and the right-hand member of disc just is located the first spring of the upper and lower fixedly connected with of first telescopic link, and first spring is linear distribution with first telescopic link, and the end of first spring is connected with the riser on right side jointly, and the board of placing of the left end fixedly connected with symmetry of disc.

Preferably, first clearance mechanism is including first arc, head rod and scraper blade, and the lower extreme of first threaded rod rotates through the bearing and is connected with first arc, a plurality of head rods of inboard fixed connection of first arc and, the head rod points to the centre of a circle of injection molding jointly, and the end of head rod is connected with the scraper blade jointly.

Preferably, the second cleaning mechanism comprises a second arc-shaped plate and a polishing plate, the upper end of the first threaded rod below the second cleaning mechanism is rotatably connected with the second arc-shaped plate through a bearing, the second arc-shaped plate is of a cavity structure, the polishing plate is fixed on the inner side of the second arc-shaped plate, and the polishing plate is of an arc-shaped structure.

Preferably, the placing plate is of a circular arc structure, and anti-skid lines are arranged on the opposite sides of the placing plate.

Preferably, the thread groove is of an arc structure.

Preferably, the ejector pad is trapezoidal, and the spout of the ejector pad that is close to one side of second connecting rod is convex structure, and the spout that is close to fixed block one side is the rectangle structure, and the distance between the spout of both sides increases along clockwise gradually.

Compared with the prior art, the invention has at least one of the following beneficial technical effects:

1. in the actual operation process, the injection molding machine can loosen the push block by rotating the second threaded rod and extruding the second telescopic rod, and the push block is pushed forwards by loosening the push block to drive the clamping plate to fix the injection molding piece

2. In the actual operation process, the surface of the injection molding part can be conveniently subjected to primary treatment through the scraper, and the surface of the injection molding part can be polished through the polishing plate, so that the injection molding part is convenient to use in the later period.

Drawings

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

FIG. 1 is a schematic process flow diagram of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic elevation view of the present invention;

FIG. 4 is a schematic view of a clamping device of the present invention;

FIG. 5 is a schematic cross-sectional view of the clamping assembly of the present invention;

FIG. 6 is a perspective view of a portion of the clamping device of the present invention;

FIG. 7 is a schematic view of the fixture of the present invention;

FIG. 8 is a schematic view of the chain and sprocket of the present invention;

FIG. 9 is a schematic view of a first cleaning mechanism of the present invention;

FIG. 10 is a schematic view of a second cleaning mechanism of the present invention.

In the figure: the device comprises a base 1, a vertical plate 2, a driving device 3, a motor seat 31, a motor 32, a driving shaft 33, a first chain wheel 34, a second chain wheel 35, a chain 36, a reciprocating screw rod 37, a fixing device 4, a first telescopic rod 41, a disc 42, a first spring 43, a placing plate 44, a cleaning device 5, a sliding block 51, a threaded barrel 52, a first threaded rod 53, a first cleaning mechanism 54, a first arc-shaped plate 541, a first connecting rod 542, a scraping plate 543, a second cleaning mechanism 55, a second arc-shaped plate 551, a polishing plate 552, a clamping device 6, a ring 601, a threaded groove 602, a second threaded rod 603, a second spring 604, a second connecting rod 605, a clamping plate 606, a sliding groove 607, a fixing block 608, a pushing block 609 and a second telescopic rod 610.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with reference to fig. 1-10.

The utility model provides a precision injection molding production and processing technology, its uses a precision injection molding production and processing equipment, this precision injection molding production and processing equipment, including base 1, riser 2, drive arrangement 3, fixing device 4, cleaning device 5 and clamping device 6, adopts above-mentioned precision injection molding production and processing equipment to the precision injection molding when handling concrete method as follows:

s1, checking equipment: before starting precision injection molding production and processing equipment, checking the operation of the equipment;

s2, placing an injection molding piece: by pushing the disc 42, the injection-molded part to be processed is placed on the placing plate 44;

s3, adjusting the cleaning device: adjusting the first cleaning mechanism 54 and the second cleaning mechanism 55 to the surface of the injection molded part by screwing the first threaded rod 53;

s4, starting driving: the injection molding part to be processed is driven to rotate by the rotation of the starting motor 32, so that the first cleaning mechanism 54 and the second cleaning mechanism 55 clean the surface of the injection molding part;

the left side and the right side of the upper end of a base 1 are fixedly connected with vertical plates 2, the outer wall of the vertical plate 2 positioned on the left side of the upper end of the base 1 is provided with a driving device 3, the output end of the driving device 3 is provided with a clamping device 6, one end, close to the clamping device 6, of the vertical plate 2 positioned on the right side is provided with a fixing device 4, and the opposite side of the vertical plate 2, which is positioned above and below an injection molding piece;

the clamping device 6 comprises a circular ring 601, a thread groove 602, a second threaded rod 603, a second spring 604, a second connecting rod 605, a clamping plate 606, a sliding groove 607, a fixing block 608, a pushing block 609 and a second telescopic rod 610, wherein the end of the driving shaft 33 is fixedly connected with the circular ring 601, one side of the circular ring 601 close to the driving device 3 is in a closed state, the circular ring 601 is in a cavity structure, one side of the inner cavity of the circular ring 601 close to the outer annular surface is provided with a plurality of fixing blocks 608 distributed in an annular manner, the inner annular surface of the circular ring 601 is penetrated by a plurality of second connecting rods 605 distributed in an annular manner, one end of each second connecting rod 605 is fixedly connected with the clamping plate 606, the outer side of the clamping plate 606 is fixedly connected with a symmetrical second spring 604, the end of the second spring 604 is fixedly connected with the inner annular surface of the circular ring 601, the opposite ends of the second connecting rod 605 and the fixing blocks 608 are provided with, the inner cavity of the circular ring 601 is provided with a plurality of push blocks 609 which are distributed annularly, the outer wall of each push block 609 is provided with a sliding groove 607 matched with the balls, the right end face of each push block 609 is fixedly connected with a second telescopic rod 610, the right end face of the circular ring 601 is equidistantly provided with four threaded grooves 602 which are distributed annularly, the output end of each second telescopic rod 610 is rotatably connected with a second threaded rod 603 penetrating through the corresponding threaded groove 602 through a bearing, and the threaded grooves 602 are in threaded connection with the second threaded rods 603; thread groove 602 is an arc-shaped structure; the push block 609 is in a trapezoid shape, the sliding groove 607 of the push block 609 on the side close to the second connecting rod 605 is in a circular arc structure, the sliding groove 607 on the side close to the fixed block 608 is in a rectangular structure, and the distance between the sliding grooves 607 on the two sides gradually increases along the clockwise direction.

The fixing device 4 comprises a first telescopic rod 41, a disc 42, a first spring 43 and a placing plate 4, the middle part of the vertical plate 2 on the right side is fixedly connected with the first telescopic rod 41, the output end of the first telescopic rod 41 is fixedly connected with the disc 42, the right end of the disc 42 is fixedly connected with the first spring 43 above and below the first telescopic rod 41, the tail end of the first spring 43 is connected with the vertical plate 2 on the right side, the left end of the disc 42 is fixedly connected with a symmetrical placing plate 44, the disc 42 is pushed to extrude the first spring 43 and the first telescopic rod 41, an injection molding piece needing to be processed is placed on the placing plate 44, and the first spring 43 needs to be reset to drive the first telescopic rod 41 to push forwards, so that the disc 42 fixedly connected with the output end of the first telescopic rod 41 extrudes the injection molding piece, and the injection; the placing plate 44 is of a circular arc-shaped structure, and anti-slip threads are arranged on the opposite sides of the placing plate 44 to prevent the placing plate 44 and the injection molding part from sliding during clamping.

The driving device 3 comprises a motor base 31, a motor 32, a driving shaft 33, a first chain wheel 34, a second chain wheel 35, a chain 36 and a reciprocating screw rod 37, the motor base 31 is fixedly connected to the left side of the vertical plate 2 on the left side of the upper end of the base 1, the motor 32 is installed at the upper end of the motor base 31, the driving shaft 33 penetrating through the vertical plate 2 on the left side is fixedly connected to the output end of the motor 32, the first chain wheel 34 is fixedly sleeved at one end of the driving shaft 33 close to the motor 32, the reciprocating screw rod 37 penetrates through the outer walls of the upper end and the lower end of the vertical plate 2 on the left side, the right end of the reciprocating screw rod 37 is rotatably connected with the outer wall of the vertical plate 2 on the right side through a bearing, the second chain wheel 35 is fixedly sleeved at the left end of the reciprocating; the rotation of the starting motor 32 enables the driving shaft 33 and the first chain wheel 34 to rotate, the rotation of the driving shaft 33 drives the circular ring 601 to rotate, and further drives the injection molding piece to rotate, and the chain 36 is meshed outside the first chain wheel 34, so that the two second chain wheels 35 rotate to drive the reciprocating screw rod 37 to rotate due to the rotation of the chain 36.

The cleaning device 5 comprises a sliding block 51, a threaded cylinder 52, a first threaded rod 53, a first cleaning mechanism 54 and a second cleaning mechanism 55, the outer sides of the two reciprocating screw rods 37 are in threaded connection with the sliding block 51, a limiting rod penetrates through the inside of the sliding block 51, two ends of the limiting rod are fixedly connected with the vertical plate 2, the opposite sides of the sliding block 51 are fixedly connected with the threaded cylinder 52, the inner threads of the threaded cylinder 52 are connected with the first threaded rod 53, the opposite ends of the first threaded rod 53 are respectively and rotatably connected with the first cleaning mechanism 54 and the second cleaning mechanism 55 through bearings, the first cleaning mechanism 54 and the second cleaning mechanism 55 can be driven to move to the surface of the injection molding part by rotating the first threaded rod 53, the injection molding part is cleaned, the reciprocating screw rods 37 are driven to rotate through the motor 32, the sliding block 51 in threaded connection with the outer side can be driven to move left and right, and the first cleaning mechanism 54 and the second cleaning mechanism 55 are further driven to move, and polishing and cleaning the surface of the injection molding part.

First clearance mechanism 54 is including first arc 541, head rod 542 and scraper blade 543, the lower extreme that is located the first threaded rod 53 of top rotates through the bearing and is connected with first arc 541, a plurality of head rods 542 of inboard fixed connection of first arc 541 and, the centre of a circle of the common directional injection molding of head rod 542, the end of head rod 542 is connected with scraper blade 543 jointly, through first arc 541's removal, can drive scraper blade 543 and remove, clear up injection molding surface burr.

The second cleaning mechanism 55 comprises a second arc-shaped plate 551 and a polishing plate 552, the upper end of the first threaded rod 53 positioned below is connected with the second arc-shaped plate 551 through a bearing, the second arc-shaped plate 551 is of a cavity structure, the inner side of the second arc-shaped plate 551 is fixedly connected with the polishing plate 552, and the polishing plate 552 is of an arc-shaped structure; through the removal of second arc 551, can drive and polish board 552 and remove, polish the polishing to the injection molding surface, keep the clean and tidy degree on injection molding surface.

The working principle is as follows:

during clamping, the disc 42 is pushed to extrude the first telescopic rod 41 and the first spring 43, an injection molding piece to be processed is placed on the placing plate 44, the first spring 43 needs to be reset, the push rod 43 and the injection molding piece can be driven to be extruded, meanwhile, the second threaded rod 603 is rotated to drive the second telescopic rod 610 to be stretched, the second threaded rod 603 and the threaded groove 602 are separated, the second threaded rod 603 is pushed forwards, the second telescopic rod 610 and the push block 609 are further pushed to move, balls slide in the sliding groove 607 due to pushing of the push block 609, the second connecting rod 605 is extruded, the clamping plate 606 is further extruded, the injection molding piece is fixed, the second threaded rod 603 is rotated to enable the second telescopic rod 610 to be contracted, and the second threaded rod 603 and the threaded groove 602 are in threaded connection for fixing the push block 609;

by screwing the first threaded rod 53, the first cleaning mechanism 54 and the second cleaning mechanism 55 at the lower end can be driven to move to the surface of the injection molding piece, so that the scraper 543 and the grinding plate 553 are in contact with the surface of the injection molding piece, and the surface of the injection molding piece is deburred and polished;

during the drive, through starter motor 32, drive shaft 33 that the output is connected and rotate, because drive shaft 33's rotation, make outside fixed first sprocket 34 and the ring 601 that cup joints rotate, the rotation of ring 601, make the injection molding rotate, first sprocket 34's rotation, because the outside meshing of first sprocket 34 has chain 36, can drive the second sprocket 35 of symmetry and rotate, the rotation of second sprocket 35, make reciprocal lead screw 37 rotate, the slider 51 that drives outside threaded connection controls, make scraper plate 543 and grinding plate 553 control and remove, clear up the injection molding.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision injection molding production and processing technology, its uses a precision injection molding production and processing equipment, includes base (1), riser (2), drive arrangement (3), fixing device (4), cleaning device (5) and clamping device (6), its characterized in that: the specific method for processing the precision injection molding by adopting the upper precision injection molding production and processing equipment comprises the following steps:

s2, placing an injection molding rod: by pushing the disc (42), the injection-molded part to be processed is placed on the placing plate (44);

s3, adjusting the cleaning device: adjusting a first cleaning mechanism (54) and a second cleaning mechanism (55) to the surface of the injection molded part by screwing a first threaded rod (53);

s4, starting driving: the injection molding part to be processed is driven to rotate by the rotation of the starting motor (32), so that the first cleaning mechanism (54) and the second cleaning mechanism (55) clean the surface of the injection molding part;

the injection molding device is characterized in that vertical plates (2) are fixedly connected to the left side and the right side of the upper end of the base (1), a driving device (3) is arranged on the outer wall of the vertical plate (2) on the left side of the upper end of the base (1), a clamping device (6) is arranged at the output end of the driving device (3), a fixing device (4) is arranged at one end, close to the clamping device (6), of the vertical plate (2) on the right side, and a cleaning device (5) is arranged on one side, opposite to the vertical plate (2);

the driving device (3) comprises a motor base (31), a motor (32), a driving shaft (33), a first chain wheel (34), a second chain wheel (35), a chain (36) and a reciprocating screw rod (37), the left side of the upper end of the base (1) is positioned on the left side of the left vertical plate (2) and fixedly connected with the motor base (31), the motor (32) is installed at the upper end of the motor base (31), the output end of the motor (32) is fixedly connected with the driving shaft (33) penetrating through the left vertical plate (2), one end of the driving shaft (33) close to the motor (32) is fixedly sleeved with the first chain wheel (34), the outer walls of the upper end and the lower end of the left vertical plate (2) penetrate through the reciprocating screw rod (37), the right end of the reciprocating screw rod (37) is rotatably connected with the outer wall of the right vertical plate (2) through a bearing, the left end of the reciprocating screw rod (37) is fixedly sleeved with the second chain wheel, the tail end of the driving shaft (33) is provided with a clamping device (6);

the clamping device (6) comprises a circular ring (601), a threaded groove (602), a second threaded rod (603), a second spring (604), a second connecting rod (605), a clamping plate (606), a sliding groove (607), a fixing block (608), a push block (609) and a second telescopic rod (610), the tail end of the driving shaft (33) is fixedly connected with the circular ring (601), one side, close to the driving device (3), of the circular ring (601) is in a closed state, the circular ring (601) is of a cavity structure, one side, close to the outer annular surface, of the inner cavity of the circular ring (601) is provided with a plurality of fixing blocks (608) which are distributed in an annular shape, a plurality of second connecting rods (605) which are distributed in an annular shape penetrate through the inner annular surface of the circular ring (601), one end of each second connecting rod (605) is fixedly connected with the clamping plate (606), the outer side of each clamping plate (606) is fixedly connected with the corresponding second spring (604), and the tail end of each second spring (604), opposite ends of the second connecting rod (605) and the fixed block (608) are provided with balls, the balls are all embedded into the connecting rod (605) and the fixed block (608) in a rolling manner, a plurality of push blocks (609) distributed in an annular manner are arranged in an inner cavity of the circular ring (601), a sliding groove (607) matched with the balls is formed in the outer wall of each push block (609), a second telescopic rod (610) is fixedly connected to the right end face of each push block (609), four threaded grooves (602) distributed in an annular manner are formed in the right end face of the circular ring (601) at equal intervals, the output end of each second telescopic rod (610) is fixedly connected with a second threaded rod (603) penetrating through the corresponding threaded groove (602) through a bearing, and the threaded grooves (602) are in threaded connection with the;

cleaning device (5) is including slider (51), a screw thread section of thick bamboo (52), first threaded rod (53), first clearance mechanism (54) and second clearance mechanism (55), the outside threaded connection of two reciprocal lead screws (37) has slider (51), the inside of slider (51) is run through there is the gag lever post, the both ends of gag lever post all with riser (2) fixed connection, the opposite side fixedly connected with screw thread section of thick bamboo (52) of slider (51), the inside threaded connection of screw thread section of thick bamboo (52) has first threaded rod (53), the lower extreme of first threaded rod (53) is connected with first clearance mechanism (54) and second clearance mechanism (55) through the bearing rotation respectively.

2. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: fixing device (4) including first telescopic link (41), disc (42), push rod (43), place board (44) and first spring (45), the first telescopic link (41) of middle part fixedly connected with of riser (2) on right side, the output fixedly connected with of first telescopic link (41) has disc (42), the right-hand member of disc (42) just is located the first spring (45) of the upper and lower side fixedly connected with of first telescopic link (41), first spring (43) are linear distribution with first telescopic link (41), the end of first spring (45) is connected with riser (2) on right side jointly, the left end fixedly connected with symmetry of disc (42) place board (44).

3. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: first clearance mechanism (54) are including first arc (541), head rod (542) and scraper blade (543), and the lower extreme of first threaded rod (53) is connected with first arc (541) through the bearing rotation, a plurality of head rods (542) of inboard fixed connection of first arc (541) and, the centre of a circle of the common directional injection molding of head rod (542), the end of head rod (542) is connected with scraper blade (543) jointly.

4. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: the second cleaning mechanism (55) comprises a second arc-shaped plate (551) and a grinding plate (552), the upper end of the first threaded rod (53) below is connected with the second arc-shaped plate (551) in a rotating mode through a bearing, the second arc-shaped plate (551) is of a cavity structure, the grinding plate (552) is fixed on the inner side of the second arc-shaped plate (551), and the grinding plate (552) is of a circular arc-shaped structure.

5. The production and processing technology of the precision injection molding part according to claim 2, characterized in that: the placing plate (44) is of a circular arc-shaped structure, and anti-skid grains are arranged on the opposite sides of the placing plate (44).

6. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: the thread groove (602) is of an arc-shaped structure.

7. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: the push block (609) is in a trapezoid shape, a sliding groove (607) of the push block (609) on one side close to the second connecting rod (605) is in a circular arc structure, a sliding groove (607) on one side close to the fixed block (608) is in a rectangular structure, and the distance between the sliding grooves (607) on the two sides is gradually increased clockwise.