CN111438625A - Production and processing technology of precise injection molding piece - Google Patents
Production and processing technology of precise injection molding piece Download PDFInfo
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- CN111438625A CN111438625A CN202010311120.9A CN202010311120A CN111438625A CN 111438625 A CN111438625 A CN 111438625A CN 202010311120 A CN202010311120 A CN 202010311120A CN 111438625 A CN111438625 A CN 111438625A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims description 16
- 238000005498 polishing Methods 0.000 claims abstract description 105
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 244000137852 Petrea volubilis Species 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 11
- 238000005507 spraying Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/16—Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to a production and processing process of a precision injection molding piece, which uses a production and processing device of the precision injection molding piece, and the production and processing device of the precision injection molding piece comprises a workbench, a clamping mechanism and a polishing mechanism, wherein the upper end of the workbench is provided with the clamping mechanism in a sliding fit mode, the left side and the right side of the clamping mechanism are symmetrically provided with the polishing mechanism, and the lower end of the polishing mechanism and the upper end of the workbench are in a sliding fit mode.
Description
Technical Field
The invention relates to the technical field of injection molding part processing, in particular to a production and processing technology of a precision injection molding part.
Background
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 methods, an injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, the injection molding is realized by the injection molding machine and the die, and the injection molding is various injection molding products produced by the injection molding machine and is generally called injection molding parts, including various packages, parts and the like. The injection molding product is mainly prepared by adding various organic solvents into materials such as polyethylene or polypropylene, and the like, is applied to a plurality of fields such as daily necessities, household appliances, industry, automobiles, medical treatment and the like, most of household appliance shells used in life and the like are formed by injection molding, for example, a common microwave oven shell is formed by injection molding, but the following problems can occur in the surface polishing processing process of a precision injection molding:
1. when multiple surfaces of the injection molding part are polished, the working time is long and the working steps are complicated by adopting a manual or mechanical single-surface one-by-one polishing mode, the polishing effect of each surface is easy to be different due to human factors in each surface conversion polishing process, and meanwhile, the injection molding part is low in stability and easy to generate a deflection phenomenon in the polishing process, so that the polishing effect is reduced;
2. the polishing of common injection molding is mostly carried out in the dry state of injection molding surface, and the frictional force between the injection molding surface and the polishing tool under this state is great and easily causes the injection molding surface to appear unnecessary wearing and tearing, and the piece that produces in the polishing process also easily adheres to the injection molding surface again, and after polishing tool used for a long time, the sedimentary piece layer in its surface can reduce polishing effect simultaneously.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that a precision injection molding production and processing technology uses a precision injection molding production and processing device, the precision injection molding production and processing device comprises a workbench, a clamping mechanism and a polishing mechanism, and the specific processing technology for the precision injection molding production and processing device is as follows:
s1, outer clamping, namely, manually placing the microwave oven shell on the bottom support block, driving the first L-type clamping plate through the first electric sliding block, and driving the second L-type clamping plate through the second electric sliding block to move inwards to clamp the microwave oven shell;
s2, internal limiting: the third electric slide block drives the moving rod to move downwards until the lower end of the moving rod presses the inner bottom wall of the microwave oven shell, and then the first electric push rod pushes the first pressing plate outwards and the second electric push rod pushes the second pressing plate outwards to press the inner side wall of the microwave oven;
s3, left and right polishing: the rear vertical plate is driven by the fifth electric sliding block to move inwards until the waterproof abrasive paper is attached to the surface of the shell of the microwave oven, the motor drives the incomplete gear to rotate, the incomplete gear is matched with the gear teeth to enable the sliding plate to do reciprocating motion back and forth, meanwhile, the sixth electric sliding block drives the seat plate to move downwards, and then the flat plate drives the waterproof abrasive paper to move synchronously to perform polishing treatment;
s4, front and back polishing: the clamping column is pulled out manually, a worker rotates the bottom support plate clockwise by 90 degrees by means of a pushing hand and clamps the clamping column in the second clamping groove, the front end and the rear end of the microwave oven shell are right opposite to the vertical plate, and then the step S3 is repeated to polish the front and the rear of the microwave oven shell.
The polishing machine is characterized in that a clamping mechanism is installed at the upper end of the workbench in a sliding fit mode, polishing mechanisms are symmetrically arranged on the left side and the right side of the clamping mechanism, and a sliding fit mode is adopted between the lower end of each polishing mechanism and the upper end of the workbench.
The microwave oven comprises a turntable, a pushing handle, a clamping column, a bottom support block, an electric sliding block, a first L-type clamping plate, a second electric sliding block, a second L-type clamping plate, an inverted L-type frame and an inner support group, wherein the lower end of the turntable is arranged at the upper end of a workbench in a sliding fit mode, the pushing handle is arranged at the lower end of the front end surface of the turntable, a through hole is formed in the front end surface of the pushing handle, the clamping column is arranged in the through hole in a sliding fit mode, a sliding fit mode is formed between the lower end of the clamping column and a first clamping groove, a working table surface is formed in the first clamping groove, a second clamping groove is formed in the left end of the upper end surface of the working table, the second clamping groove is formed in the left side of the first clamping groove and has an included angle of 90 degrees with the first clamping groove, a bottom support block is arranged at the upper end of the first clamping column, a sliding groove is symmetrically formed in the front end and the rear end of the bottom support block, a second sliding groove is formed in the left end and right end of the bottom support groove, a sliding groove, a second sliding groove is formed in the left end of the first clamping groove, a sliding fit mode, a first clamping groove is formed in the rear end of a sliding fit mode, a second clamping groove, a sliding clamp plate, a sliding fit mode, a second clamping groove is formed in which a sliding fit mode, a sliding clamp groove is formed in which the lower clamping groove is formed in which a sliding fit mode, a sliding clamp plate is formed in which a sliding fit mode, a sliding groove is formed in which a sliding fit mode, a sliding groove is formed in a sliding groove, a sliding fit mode, a sliding groove is formed in which is formed in a sliding groove, No. 2, a sliding groove, No. 90-type clamping groove, No. 2, No. 3, No. 2, a sliding groove, No. 3, the inner clamp plate of a sliding fit mode, no.
The inner support group comprises a hollow rod, a third electric sliding block, a moving rod, a first electric push rod, a first pressing plate, a second electric push rod, a second pressing plate, a square sleeve plate and a fourth electric sliding block, the upper end of the hollow rod is installed on the inner lower end face of the upper end of the inverted L-shaped frame, the third electric sliding block is installed on the front inner side wall and the rear inner side wall of the hollow rod in a sliding fit mode, the moving rod is connected between the third electric sliding blocks, the moving rod and the inner side wall of the hollow rod are in a sliding fit mode, the first electric push rod is symmetrically arranged on the front lower end and the rear lower end of the moving rod in the front-back mode, the first pressing plate is installed on the outer side wall of the moving rod in the front-back direction, the second pressing plate is installed on the outer side wall of the moving rod in the sliding fit mode, the inner side end of the first electric push rod and the inner side end of the second electric push rod are both connected with the outer surface of the square sleeve plate, the fourth electric sliding block is installed on the front-back inner side wall of the moving rod in the front-back direction, the moving rod drives the moving rod to push the moving rod to push the outer side of the moving rod to push rod, and then to push the outer side of.
The polishing mechanism comprises a fifth electric sliding block, a vertical plate, a sixth electric sliding block, a transmission group, a flat plate and waterproof abrasive paper, the fifth electric sliding block is installed at the upper end of a workbench in a sliding fit mode, the vertical plate is installed at the upper end of the fifth electric sliding block, the sixth electric sliding block is installed at the inner side end of the vertical plate in a sliding fit mode, the transmission group is installed at the inner side end of the sixth electric sliding block, the flat plate is connected with the inner side end of the transmission group, the waterproof abrasive paper is arranged at the inner side end of the flat plate in a sliding fit mode, when the microwave oven is polished left and right, the L-type clamp plate is driven to reset through the second electric sliding block, the rear vertical plate is driven to move inwards through the fifth electric sliding block until the waterproof abrasive paper is attached to the surface of the microwave oven shell, then the flat plate is driven to reciprocate through the transmission group, meanwhile, the transmission group is driven to move downwards through the sixth electric sliding block, then the waterproof abrasive paper synchronously moves to polish the left and right ends of the microwave oven shell, after the left and right polishing is finished, the vertical clamping column is pulled out manually, a worker can clockwise rotate the bottom support plate by means and clockwise and place the clamping column in the microwave oven shell, and polish the front and back clamping.
The transmission set comprises a seat plate, a motor, support rods, a sliding plate, gear teeth, an incomplete gear and a first connecting plate, the seat plate is arranged at the inner side end of a sixth electric sliding block, the motor is arranged in the middle of the inner side end of the seat plate, the support rods are symmetrically arranged on the front side and the rear side of the motor, the outer side end of each support rod is arranged at the inner side end of the seat plate in a sliding fit mode, the inner side end of each support rod is connected with the outer side end of the corresponding sliding plate, a sliding through groove is formed in the end face of the inner side end of the corresponding sliding plate, the gear teeth are symmetrically arranged on the upper inner side wall and the lower inner side wall of the corresponding sliding through groove in an equidistant mode from front to back, the incomplete gear is arranged in the middle of the corresponding sliding through groove, the sliding fit, the vertical plate moves inwards after being driven by the five electric sliding blocks until the waterproof abrasive paper is attached to the surface of the microwave oven shell, the incomplete gear is driven by the motor to rotate, the incomplete gear is matched with the gear teeth to enable the sliding plate to do reciprocating motion front and back, meanwhile, the seat plate is driven by the six electric sliding blocks to move downwards, then the sliding plate drives the flat plate to move downwards when the sliding plate drives the flat plate to move synchronously through the connecting plate, and the waterproof abrasive paper is polished along with the flat plate to move synchronously.
The microwave oven comprises an inverted L-shaped frame, wherein seven electric sliding blocks are symmetrically arranged on the front end face of the inverted L-shaped frame in a bilateral mode in a sliding fit mode, mounting plates are arranged at the front ends of the seven electric sliding blocks, a hollow rod is located between the mounting plates, water spraying guns are arranged at the front ends of the mounting plates in a threaded fit mode and are of an inward inclined structure, sprinkling heads are arranged at water outlet ends of the water spraying guns in a threaded fit mode, the mounting plates can be driven by the seven electric sliding blocks to move downwards to a position corresponding to the distance above the microwave oven before the four sides of the microwave oven shell are polished, then the microwave oven shell is rotated manually by means of a pushing hand, water is sprayed outwards by the water spraying guns to slightly wet the surface of the microwave oven shell, and then the microwave oven shell can be rotated manually again, and meanwhile, the water spraying guns are used for timely washing the microwave oven.
According to a preferred technical scheme, the first pressing plate and the second pressing plate are provided with the same structure, block grooves are symmetrically formed in the left end face and the right end face of the first pressing plate, a T-shaped electric sliding block is installed on the inner side wall in the inner side direction of each block groove in a sliding fit mode, an extension plate is installed at the outer side end of each T-shaped electric sliding block, the extension plate and the block grooves are in a sliding fit mode, the outer side end face of the extension plate is flush with the outer side end face of the first pressing plate, polishing abrasive paper is arranged at the outer side end of the first pressing plate in a sliding fit mode, the outer side end face of the extension plate and the inner side face of the polishing abrasive paper are in a sliding fit mode, when polishing requirements are met on the inner side wall of the microwave oven, the first electric sliding block drives the first L-type abrasive paper clamping plate, the second electric sliding block drives the second L-type clamping plate to move towards the inner side of the microwave oven, the T-type electric sliding block drives the extension plate to move towards the outside of the block grooves until the extension plate is completely attached to the inner side face of the microwave oven, then the inner side face of the.
As a preferred technical scheme of the invention, the inner side of the extension plate is bilaterally symmetrically provided with the convex blocks, the outer side ends of the convex blocks are mounted on the inner side end surface of the first pressing plate, the inner side end of the upper end surface of the convex block is provided with the square through groove, the square through groove is internally provided with the limiting rod in a sliding fit manner, the outer side end surface of the limiting rod and the inner side end surfaces of the upper and lower ends of the polishing abrasive paper are in a sliding fit manner, the right end surface of the convex block is provided with the clamping through groove, the clamping through groove is internally provided with the first clamping pin in a sliding fit manner, the first clamping pin and the limiting rod are in a sliding fit manner, and the first clamping pin is manually pulled out and pulled out of the limiting rod, so that the polishing abrasive paper can be periodically replaced.
As a preferred technical scheme of the invention, the front end face and the rear end face of the sliding plate are provided with shaft rods in a sliding fit mode, the shaft rods are connected with the rear ends of a first connecting plate, a second bayonet lock is connected between the rear end of the first connecting plate and the sliding plate in a sliding fit mode, the second bayonet lock is positioned on the left side of the shaft rods, pin grooves are symmetrically formed in the upper ends of the front end face and the rear end face of the sliding plate, the included angle between each pin groove and the second bayonet lock is 90 degrees, the outer side end of each shaft rod is provided with a second connecting plate, the second connecting plate is positioned on the outer side of the first connecting plate, a sponge block is arranged between the upper ends of the second connecting plates in a sliding fit mode, after the four sides of the microwave oven shell are polished and the surface of the microwave oven shell is washed, the second bayonet lock is manually pulled out, the first, until the pin slot is completely exposed, then the second clamping pin is clamped into the pin slot, the second connecting plate drives the sponge block to be in a horizontal state, the fifth electric slide block drives the rear vertical plate to move inwards until the sponge block is attached to the surface of the microwave oven shell, the sixth electric slide block drives the seat plate to move downwards, the sponge block synchronously moves to remove the residual scraps on the surface of the microwave oven shell, and simultaneously absorbs moisture to accelerate the drying of the microwave oven shell, and the operation of the sponge block during the four-side treatment of the microwave oven shell is the same as that during the four-side polishing of the microwave oven shell.
As a preferred technical scheme of the invention, the front end of the upper end face of the workbench is provided with a first baffle, the first baffle is positioned at the right left side of the first clamping groove, the left end face of the first baffle is in sliding fit with the right end face of the pushing handle, the left side of the first baffle is provided with a second baffle, the included angle between the second baffle and the first baffle is 90 degrees, the second baffle is arranged at the upper end face of the workbench and positioned at the right back side of the second clamping groove, the front end face of the second baffle is in sliding fit with the left end face of the pushing handle, and the first baffle and the second baffle can be matched to play a role in limiting and guiding the rotation angle and the resetting of the turntable so that the turntable drives the microwave oven shell to rotate only 90 degrees each time.
According to a preferred technical scheme of the invention, pin shafts are symmetrically arranged at the front end and the rear end of the flat plate up and down, the pin shafts are connected with the kidney-shaped groove in a sliding fit mode, the kidney-shaped groove is formed in the inner side end of the U-shaped squeezing plate, the inner side face of the inner side end of the U-shaped squeezing plate and the outer side ends of the upper end and the lower end of the waterproof abrasive paper are in a sliding fit mode, the U-shaped squeezing plate is pulled outwards manually to clamp the pin shafts at the inner side end of the kidney-shaped groove, at the moment, the waterproof abrasive paper and the flat plate are in a loose state, and the waterproof abrasive paper is replaced manually at.
As a preferred technical solution of the present invention, the front end face of the first L-type clamping plate and the right end face of the second L-type clamping plate are both provided with scale marks, and an operator can precisely set the movement distance of the first electric slider and the second electric slider in advance according to the size of a microwave oven shell to be polished or a product similar to the shape of the microwave oven shell by means of the scale marks, so that the first L-type clamping plate and the second L-type clamping plate cooperate to clamp the microwave oven shell to the bottom supporting plate, that is, to control the direct butt joint between the microwave oven shell and the inner support group.
(II) advantageous effects
1. The invention relates to a production and processing technology of a precision injection molding piece, which adopts the design concept of a multi-direction controllable conversion structure to produce and process the precision injection molding piece, improves the clamping application range of microwave oven shells of different sizes by setting a clamping range controllable structure, can be also suitable for polishing products similar to the microwave oven shells in shape, further greatly improves the integral utilization rate of the device, and simultaneously adopts a multiple fixing and limiting structure to improve the integral stability of the injection molding piece in the polishing and surface changing polishing processes, thereby reducing the probability of poor polishing effect caused by the phenomenon of deviation of the injection molding piece;
2. the first electric sliding block, the second electric sliding block, the first L-type clamping plate and the second L-type clamping plate are matched to work, so that the microwave oven shell can be clamped in multiple directions, the clamping position can be correspondingly and quickly changed according to the position of a polished surface, and meanwhile, a worker can accurately set the movement distance of the first electric sliding block and the second electric sliding block in advance according to the size of the microwave oven shell by means of scale marks on the first L-type clamping plate and the second L-type clamping plate;
3. the sponge block can remove the residual scraps on the surface of the microwave oven shell, can also play a role in absorbing water so as to improve the drying speed of the microwave oven shell, and can be replaced in time by adopting a drawer-type installation mode so as to reduce the probability that the scraps adsorbed by the sponge block are adhered to the surface of the microwave oven shell again;
4. the limiting rod and the first clamping pin can movably install and fix the polishing sand paper and the water sand paper of the U-shaped squeezing plate, so that workers can regularly replace the water sand paper and the polishing sand paper to ensure that the polishing sand paper and the water sand paper have polishing effect;
5. the inclined water spray gun can slightly wet the surface of the microwave oven shell, compared with polishing under the condition of complete drying, the polishing under the wet condition can reduce the abrasion degree of the surface of the microwave oven shell, and the water spray gun can also timely wash the microwave oven shell, so that the probability that chips generated by polishing are adhered to the surface of the microwave oven shell is reduced;
6. the first baffle and the second baffle are matched to play a role in limiting and guiding the rotation angle and the reset of the turntable, so that the turntable drives the microwave oven shell to rotate only 90 degrees at each time, and further the microwave oven shell can be always just opposite to the polishing mechanism to improve the polishing degree;
7. the waterproof abrasive paper can simultaneously carry out horizontal and vertical polishing motions in double directions, and compared with the polishing motion in a single direction, the motion mode can greatly improve the one-time polishing effect of the microwave oven shell, so that the working time can be shortened, and the working efficiency can be improved.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a first cross-sectional view of the present invention;
FIG. 4 is a second cross-sectional view of the present invention;
FIG. 5 is a third cross-sectional view of the present invention;
FIG. 6 is a fourth cross-sectional view of the present invention;
FIG. 7 is an enlarged view of the invention in section X of FIG. 2;
FIG. 8 is an enlarged view of the Y-direction portion of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged view of the Z-direction detail of FIG. 3 in accordance with the present invention;
FIG. 10 is an enlarged view of the M-direction portion of FIG. 3 in accordance with the present invention;
FIG. 11 is an enlarged view of the N-direction portion of FIG. 4 in accordance with the present invention;
FIG. 12 is an enlarged view of the invention taken in the direction of R in FIG. 5;
fig. 13 is a partial enlarged view taken along the direction T of fig. 6 according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 13, a precision injection molding production and processing technology uses a precision injection molding production and processing device, which comprises a workbench 1, a clamping mechanism 2 and a polishing mechanism 3, and the precision injection molding production and processing technology with the precision injection molding production and processing device comprises the following specific processing technologies:
s1, outer clamping, namely, manually placing the microwave oven shell on the bottom support block 23, driving the first L-type clamp plate 25 through the first electric slide block 24, and driving the second L-type clamp plate 27 through the second electric slide block 26 to move inwards to clamp the microwave oven shell;
s2, internal limiting: the third electric slide block 292 drives the moving rod 293 to move downwards until the lower end of the moving rod presses the inner bottom wall of the microwave oven shell, and then the first electric push rod 294 pushes the first pressing plate 295 outwards and the second electric push rod 296 pushes the second pressing plate 297 outwards to press the inner side wall of the microwave oven;
s3, left and right polishing: the rear vertical plate 31 is driven by the fifth electric slide block 30 to move inwards until the waterproof abrasive paper 35 is attached to the surface of the microwave oven shell, the motor 332 drives the incomplete gear 336 to rotate, the incomplete gear 336 is matched with the gear teeth 335, so that the sliding plate 334 reciprocates back and forth and the seat plate 331 is driven by the sixth electric slide block 32 to move downwards, and then the flat plate 34 drives the waterproof abrasive paper 35 to move synchronously to carry out polishing treatment;
s4, front and back polishing: the clamping column 22 is pulled out manually, a worker rotates the bottom bracing plate clockwise by 90 degrees by means of the pushing hand 21 and clamps the clamping column 22 in the second clamping groove, the original front end and the original rear end of the microwave oven shell are opposite to the vertical plate 31, and then the step S3 is repeated to polish the microwave oven shell front and back.
The polishing machine is characterized in that a clamping mechanism 2 is installed at the upper end of the workbench 1 in a sliding fit mode, polishing mechanisms 3 are symmetrically arranged on the left side and the right side of the clamping mechanism 2, and the lower end of each polishing mechanism 3 is in a sliding fit mode with the upper end of the workbench 1.
The utility model discloses a microwave oven, including workstation 1, baffle 11, push handle 21, baffle 11, baffle 12, No. two baffles 11, the contained angle between baffle 11 is 90, No. two baffles 12 are installed at the up end of workstation 1, and No. two baffles 12 are located No. two draw-in grooves, No. two baffles 12, No. two baffles 11 and No. two baffles 12 cooperate and can play spacing and guide effect to revolving stage 20 pivoted angle and reseing to make revolving stage 20 drive the microwave oven shell and can only rotate 90 at every turn, No. one baffle 11 is located the positive left side of draw-in groove, the left side of No. one baffle 11 is provided with No. two baffles 12, the contained angle between No. two baffles 12 and the left end face of push handle 21 is the sliding fit mode, No. two baffles 12 cooperate and can play spacing and guide effect to revolving stage 20.
The polishing machine comprises a turntable 20, a pushing hand 21, a clamping column 22, a bottom support block 23, a first electric sliding block 24, a first L-shaped clamping plate 25, a second electric sliding block 26, a second L-shaped clamping plate 27, an inverted L-shaped frame 28 and an inner support group 29, wherein the lower end of the turntable 20 is mounted at the upper end of a workbench 1 in a sliding fit mode, the pushing hand 21 is mounted at the lower end of the front end face of the turntable 20, the clamping column 22 is mounted in the through hole in a sliding fit mode, the lower end of the clamping column 22 is in a sliding fit mode with a first clamping groove, the first clamping groove is provided with a surface of the workbench 1, the left end of the upper end face of the workbench 1 is provided with a second clamping groove, the second clamping groove is located at the left side of the first clamping groove and has an included angle of 90 degrees, the upper end of the bottom support block 23 is mounted at the upper end of the turntable 20, the front end of the bottom support block 23 is symmetrically provided with a first sliding groove, the sliding groove is provided with a second sliding groove 26, the sliding groove 27, the sliding groove is capable of enabling the sliding block to be capable of being matched with the inner polishing machine shell 27 after the outer end of being polished by a polishing machine, the outer end of polishing machine, the outer furnace shell 27, the outer end of the outer supporting rack 24, the sliding clamp plate 27, the sliding clamp 23, the sliding clamp 20 is further capable of polishing machine, the sliding clamp rack 27, the sliding clamp rack, the sliding rack is capable of polishing machine, the sliding rack 27, the sliding rack is capable of polishing machine for polishing the polishing machine for polishing, the polishing machine for polishing, the polishing machine for polishing the polishing machine for polishing the polishing machine for polishing the polishing machine for polishing the polishing machine for polishing the polishing machine for polishing the polishing machine for.
The inner support group 29 comprises a hollow rod 291, a third electric slider 292, a moving rod 293, a first electric push rod 294, a first pressure plate 295, a second electric push rod 296, a second pressure plate 297, a square sleeve plate 298 and a fourth electric slider 299, the upper end of the hollow rod 291 is mounted on the inner lower end face of the upper end of an inverted L-shaped frame 28, the third electric slider 292 is mounted on the front inner side wall and the rear inner side wall of the hollow rod 291 in a sliding fit mode, the moving rod 293 is connected between the third electric slider 292, the moving rod 293 and the inner side wall of the hollow rod 291 in a sliding fit mode, the first electric push rod 294 is symmetrically arranged on the front and back of the lower end of the moving rod 293, the first pressure plate 295 is mounted on the outer side end of the first electric push rod 294, the second electric push rod 296 is symmetrically arranged on the left and right of the lower end of the moving rod 293, the second pressure plate 297 is mounted on the outer side end of the first electric push rod 294, the inner side end of the first electric push rod 294 and the inner side end of the second electric push rod 298 are connected with the outer sleeve plate 296, the inner side wall of the square sleeve plate 6327 of the square sleeve plate 294, the inner side wall of the square sleeve plate is capable of the outer side wall of the moving rod 298 and the inner side wall of the outer side wall of the square sleeve plate 6327, and the inner side wall of the square push rod 298 is capable of the outer side wall of the inner side wall of the outer side wall of the inner side wall of.
The front end face of the inverted L-shaped frame 28 is provided with seven electric sliding blocks 281 in bilateral symmetry in a sliding fit mode, the front end of the seven electric sliding blocks 281 is provided with mounting plates 282, a hollow rod 291 is positioned between the mounting plates 282, the front end of the mounting plates 282 is provided with a water spray gun 283 in a threaded fit mode, the water spray gun 283 is of an inward inclined structure, the water outlet end of the water spray gun 283 is provided with a spray head 284 in a threaded fit mode, the mounting plates 282 can be driven to move downwards to a corresponding distance above the microwave oven by the seven electric sliding blocks 281 before the four sides of the microwave oven shell are polished, then the microwave oven shell is slightly wetted by spraying water outwards by the water spray gun 283 while the microwave oven shell is rotated by a pushing hand 21 manually, compared with polishing under the completely dry condition, the polishing degree of abrasion of the surface of the microwave oven shell can be reduced, after the polishing of the four sides of the microwave oven shell is finished, the microwave oven shell can be rotated manually, and at the same time, the water spray gun 283 sprays water to flush the microwave oven shell, thereby reducing the probability of chips adhered to the surface of the microwave oven.
The first pressure plate 295 and the second pressure plate 297 are provided with the same structure, block grooves are symmetrically formed in the left end face and the right end face of the first pressure plate 295, a T-shaped electric slider 29a is installed on the inner side wall in the inner side direction of the block grooves in a sliding fit mode, an extension plate 29b is installed on the outer side end of the T-shaped electric slider 29a, the extension plate 29b and the block grooves are in a sliding fit mode, the outer side end face of the extension plate 29b is flush with the outer side end face of the first pressure plate 295, polishing sand paper 29c is arranged on the outer side end of the first pressure plate 295 in a sliding fit mode, a sliding fit mode is formed between the outer side end face of the extension plate 29b and the inner side face of the polishing sand paper 29c, when polishing requirements are met on the inner side wall of the microwave oven, the first electric slider 24 drives the first clamping plate L, the second electric slider 26 drives the second clamping plate L to move inwards to clamp the shell of the microwave oven, the extension plate 29b is driven to move outwards to the block grooves until the extension plate 29b is completely attached to the inner side face of the microwave oven, then the fourth electric slider 296, and the fourth electric slider 29a push rod 299 and then moves towards the inner side.
The inboard bilateral symmetry of extension plate 29b be provided with protruding piece 29d, the medial surface at clamp plate 295 is installed at the outside end of protruding piece 29d, square through-groove has been seted up to the upper end inboard of protruding piece 29d, install gag lever post 29e through sliding fit mode in the square through-groove, be sliding fit mode between the medial surface at both ends about the outside end face of gag lever post 29e and polishing abrasive paper 29c, the joint through-groove has been seted up to the right-hand member face of protruding piece 29d, bayonet 29f is installed through sliding fit mode in the joint through-groove, be sliding fit mode between bayonet 29f and the gag lever post 29e, pull out bayonet 29f and take abrasive paper out gag lever post 29e through the manual mode, so can regularly change polishing 29c, and then maintain polishing 29 c's polishing effect.
The front end face of the first L-shaped clamping plate 25 and the right end face of the second L-shaped clamping plate 27 are both provided with scale marks, so that an operator can accurately set the movement distance of the first electric slide block 24 and the second electric slide block 26 in advance according to the size of a microwave oven shell to be polished or a product with a shape similar to the microwave oven shell, so that the first L-shaped clamping plate 25 and the second L-shaped clamping plate 27 are matched to positively clamp the microwave oven shell on the bottom supporting plate, namely, the microwave oven shell is controlled to be in direct contact with the inner supporting group 29.
The polishing mechanism 3 comprises a fifth electric sliding block 30, a vertical plate 31, a sixth electric sliding block 32, a transmission group 33, a flat plate 34 and a waterproof abrasive paper 35, the fifth electric sliding block 30 is installed at the upper end of the workbench 1 in a sliding fit mode, the vertical plate 31 is installed at the upper end of the fifth electric sliding block 30, the sixth electric sliding block 32 is installed at the inner side end of the vertical plate 31 in a sliding fit mode, the transmission group 33 is installed at the inner side end of the sixth electric sliding block 32, the flat plate 34 is connected to the inner side end of the transmission group 33, the waterproof abrasive paper 35 is arranged at the inner side end of the flat plate 34 in a sliding fit mode, when polishing is performed left and right, the L-type clamp plate 27 is driven to reset through the second electric sliding block 26, the vertical abrasive paper plate 31 is driven to move inwards through the fifth electric sliding block 30 until the waterproof abrasive paper 35 is attached to the surface of the outer shell of the microwave oven, then the flat plate 34 is driven to reciprocate back and forth through the transmission group 33, meanwhile, the transmission group 33 is driven to move downwards through the sixth electric sliding block 32, the waterproof abrasive paper 35 synchronously moves to polish the left and right ends of the outer shell of the microwave oven, after polishing machine is finished, the polishing, when polishing machine is performed clockwise, the left and right ends of the outer shell, the vertical shell is polished, the.
The transmission set 33 comprises a seat plate 331, a motor 332, a support rod 333, a sliding plate 334, gear teeth 335, an incomplete gear 336 and a first connecting plate 337, the seat plate 331 is installed at the inner side end of the number six electric slider 32, the motor 332 is installed at the middle part of the inner side end of the seat plate 331, the support rods 333 are symmetrically arranged at the front side and the rear side of the motor 332, the outer side ends of the support rods 333 are installed at the inner side end of the seat plate 331 in a sliding fit manner, the inner side end of the support rod 333 is connected with the outer side end of the sliding plate 334, a sliding through groove is formed in the end face of the inner side end of the sliding plate 334, the gear teeth 335 are symmetrically installed on the upper inner side wall and the lower inner side wall of the sliding through groove, the gear teeth 335 are equidistantly arranged from front to rear, the incomplete gear 336 is arranged in the middle of the sliding, the inner side end of the first connecting plate 337 is connected with the outer side end of the flat plate 34, the rear vertical plate 31 is driven by the fifth electric slider 30 to move inwards until the waterproof abrasive paper 35 is attached to the surface of the microwave oven shell, the motor 332 drives the incomplete gear 336 to rotate, the incomplete gear 336 is matched with the gear teeth 335 to enable the sliding plate 334 to reciprocate back and forth, meanwhile, the sixth electric slider 32 drives the base plate 331 to move downwards, the flat plate 34 moves downwards while the sliding plate 334 drives the flat plate 34 to move synchronously through the connecting plate, the waterproof abrasive paper 35 performs polishing treatment along with the synchronous movement of the flat plate 34, and compared with a single-direction movement polishing mode, the horizontal and vertical dual-direction movement polishing mode can greatly improve the one-time polishing effect of the microwave oven shell, and further can improve the working efficiency while shortening the working time.
The front end face and the rear end face of the sliding plate 334 are provided with a shaft rod 33a in a sliding fit mode, the shaft rod 33a is connected with the rear end of a first connecting plate 337, a second bayonet 33b is connected between the rear end of the first connecting plate 337 and the sliding plate 334 in a sliding fit mode, the second bayonet 33b is positioned on the left side of the shaft rod 33a, the upper ends of the front end face and the rear end face of the sliding plate 334 are symmetrically provided with pin grooves, the included angle between the pin grooves and the second bayonet 33b is 90 degrees, the outer side end of the shaft rod 33a is provided with a second connecting plate 33c, the second connecting plate 33c is positioned on the outer side of the first connecting plate 337, a sponge block 33d is arranged between the upper ends of the second connecting plate 33c in a sliding fit mode, after the four sides of the microwave oven shell are polished and the surface of the microwave oven shell is washed, the second bayonet 33b is pulled out manually, the first connecting plate 337 is clockwise, until the pin slot is completely exposed, then the second bayonet lock 33b is clamped into the pin slot, at the moment, the second connecting plate 33c drives the sponge block 33d to be in a horizontal state, the rear vertical plate 31 is driven to move inwards by the fifth electric sliding block 30 until the sponge block 33d is attached to the surface of the microwave oven shell, the seat plate 331 is driven to move downwards by the sixth electric sliding block 32, the sponge block 33d synchronously moves to remove the residual scraps on the surface of the microwave oven shell, and simultaneously absorbs moisture to accelerate the drying of the microwave oven shell, and the operation of the sponge block 33d when the microwave oven shell is treated on four sides is the same as that when the microwave oven shell is polished on four sides.
The pin shafts are symmetrically arranged at the front end and the rear end of the flat plate 34 in a vertical mode, the pin shafts are connected with the waist-shaped groove in a sliding fit mode, the waist-shaped groove is formed in the inner side end of the U-shaped squeezing plate 341, the sliding fit mode is adopted between the inner side face of the inner side end of the U-shaped squeezing plate 341 and the outer side ends of the upper end and the lower end of the waterproof abrasive paper 35, the U-shaped squeezing plate 341 is pulled outwards in a manual mode to be clamped at the inner side end of the waist-shaped groove, at the moment, the waterproof abrasive paper 35 is in a loose state with the flat plate 34, the waterproof abrasive paper 35 is replaced.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a precision injection molding production and processing technology, its used a precision injection molding production and processing device, this precision injection molding production and processing device includes workstation (1), clamping mechanism (2) and polishing mechanism (3), its characterized in that: the specific processing technology of the precision injection molding production and processing device for producing and processing the precision injection molding is as follows:
s1, outer clamping, namely, manually placing the microwave oven shell on the bottom support block (23), driving a first L-type clamp plate (25) through a first electric slide block (24), and driving a second L-type clamp plate (27) through a second electric slide block (26) to move inwards to clamp the microwave oven shell;
s2, internal limiting: the third electric sliding block (292) drives the moving rod (293) to move downwards until the lower end of the moving rod presses the inner bottom wall of the microwave oven shell, and then the first electric push rod (294) pushes the first pressure plate (295) outwards and the second electric push rod (296) pushes the second pressure plate (297) outwards to press the inner side wall of the microwave oven;
s3, left and right polishing: the rear vertical plate (31) is driven to move inwards by the fifth electric sliding block (30) until the waterproof abrasive paper (35) is attached to the surface of the microwave oven shell, the incomplete gear (336) is driven to rotate by the motor (332), the incomplete gear (336) is matched with the gear teeth (335), so that the sliding plate (334) reciprocates back and forth, the seat plate (331) is driven to move downwards by the sixth electric sliding block (32), and the flat plate (34) drives the waterproof abrasive paper (35) to move synchronously to perform polishing treatment;
s4, front and back polishing: the clamping column (22) is pulled out manually, a worker rotates the bottom support plate clockwise by 90 degrees by means of the pushing hand (21) and clamps the clamping column (22) in the second clamping groove, the front end and the rear end of the microwave oven shell are right opposite to the vertical plate (31), and then the step S3 is repeated to carry out front and rear polishing treatment on the microwave oven shell;
the polishing machine is characterized in that a clamping mechanism (2) is installed at the upper end of the workbench (1) in a sliding fit mode, polishing mechanisms (3) are symmetrically arranged on the left side and the right side of the clamping mechanism (2), and the lower end of each polishing mechanism (3) is in a sliding fit mode with the upper end of the workbench (1);
the clamping mechanism (2) comprises a rotary table (20), a push handle (21), a clamping column (22), a bottom support block (23), an electric sliding block (24), a L-type clamping plate (25), a second electric sliding block (26), a second L-type clamping plate (27), an inverted L-type frame (28) and an inner support group (29), the lower end of the rotary table (20) is installed at the upper end of a workbench (1) in a sliding fit mode, the push handle (21) is installed at the lower end of the front end face of the rotary table (20), a through hole is formed in the front end face of the upper end face of the push handle (21), the clamping column (22) is installed in the through sliding fit mode, the sliding fit mode is adopted between the lower end of the clamping column (22) and a first clamping groove, a clamping groove is formed in the surface of the workbench (1), a second clamping groove is formed in the left end of the upper end face of the workbench (1), the second clamping groove is formed in the left side of the first clamping groove, an included angle between the outer side of the second clamping groove is 90 degrees, the lower end of the bottom support block (23) is installed between a front end face of the inverted bottom support block (24) and a right end of the sliding fit mode, a second sliding fit groove (3527), a groove (3528) is formed in the sliding fit mode, a groove (3528), a groove (35) is formed in the sliding fit mode, a right side of the inner support block (28), a groove (27), a groove (3528), a right side of a sliding fit mode, a sliding fit mode is installed between the inner support block (3), a sliding fit mode, a right side of a sliding fit, a sliding fit mode, a sliding fit, a right side of a sliding fit, a sliding fit mode, a sliding fit between;
the inner support group (29) comprises a hollow rod (291), a third electric sliding block (292), a moving rod (293), a first electric pushing rod (294), a first pressing plate (295), a second electric pushing rod (296), a second pressing plate (297), a square sleeve plate (298) and a fourth electric sliding block (299), the upper end of the hollow rod (291) is provided with an inner lower end face at the upper end of an inverted L type frame (28), the front inner side wall and the rear inner side wall of the hollow rod (291) are provided with the third electric sliding block (292) in a sliding fit mode, a moving rod (293) is connected between the third electric sliding blocks (292), the moving rod (293) and the inner side wall of the hollow rod (291) are in a sliding fit mode, the front end and the rear end of the moving rod (293) are symmetrically provided with the first electric pushing rod (294), the first pressing plate (295) is arranged at the outer side end of the first electric pushing rod (294), the second electric pushing rod (296) is symmetrically arranged at the left end and the right end of the lower end of the moving rod (293), the front end and the rear end of the square sliding block (296) are connected with the outer side end face of the fourth electric sliding block (298), and the inner side end face of the fourth electric pushing rod (299);
the polishing mechanism (3) comprises a fifth electric sliding block (30), a vertical plate (31), a sixth electric sliding block (32), a transmission group (33), a flat plate (34) and water sand paper (35), wherein the fifth electric sliding block (30) is installed at the upper end of the workbench (1) in a sliding fit mode, the vertical plate (31) is installed at the upper end of the fifth electric sliding block (30), the sixth electric sliding block (32) is installed at the inner side end of the vertical plate (31) in a sliding fit mode, the transmission group (33) is installed at the inner side end of the sixth electric sliding block (32), the flat plate (34) is connected to the inner side end of the transmission group (33), and the water sand paper (35) is arranged at the inner side end of the flat plate (34) in a sliding fit mode;
the transmission set (33) comprises a seat plate (331), a motor (332), a support rod (333), a sliding plate (334), gear teeth (335), an incomplete gear (336) and a connecting plate (337), wherein the seat plate (331) is installed at the inner side end of a No. six electric sliding block (32), the motor (332) is installed in the middle of the inner side end of the seat plate (331), the support rod (333) is symmetrically arranged at the front side and the rear side of the motor (332), the outer side end of the support rod (333) is installed at the inner side end of the seat plate (331) in a sliding fit mode, the inner side end of the support rod (333) is connected with the outer side end of the sliding plate (334), a sliding through groove is formed in the inner side end face of the sliding plate (334), the gear teeth (335) are symmetrically arranged on the upper inner side wall and the lower inner side wall of the sliding through groove, the gear teeth (335) are equidistantly, the outer side end of the incomplete gear (336) is connected with the output shaft end of the motor (332), the front end and the rear end of the sliding plate (334) are provided with a first connecting plate (337), and the inner side end of the first connecting plate (337) is connected with the outer side end of the flat plate (34);
the front end face of the inverted L-shaped frame (28) is provided with seven electric sliders (281) in bilateral symmetry in a sliding fit mode, mounting plates (282) are mounted at the front ends of the seven electric sliders (281), a hollow rod (291) is located between the mounting plates (282), a water spray gun (283) is mounted at the front end of the mounting plate (282) in a thread fit mode, the water spray gun (283) is of an inward inclined structure, and a sprinkling head (284) is mounted at the water outlet end of the water spray gun (283) in a thread fit mode.
2. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: the novel polishing clamp is characterized in that the same structures are arranged on the first pressing plate (295) and the second pressing plate (297), block grooves are symmetrically formed in the left end face and the right end face of the first pressing plate (295), a T-shaped electric slider (29a) is installed on the inner side wall of the inner side direction of the block grooves in a sliding fit mode, an extension plate (29b) is installed at the outer side end of the T-shaped electric slider (29a), the extension plate (29b) and the block grooves are in sliding fit, the outer side end face of the extension plate (29b) is flush with the outer side end face of the first pressing plate (295), polishing sand paper (29c) is arranged at the outer side end of the first pressing plate (295) in a sliding fit mode, and the outer side end face of the extension plate (29b) and the inner side face of the polishing sand paper (29 c.
3. The production and processing technology of the precision injection molding part according to claim 2, characterized in that: the inboard bilateral symmetry of extension plate (29b) be provided with protruding piece (29d), the medial surface at clamp plate (295) is installed to the outside end of protruding piece (29d), square through groove has been seted up to the upper end inboard of protruding piece (29d), gag lever post (29e) is installed through the sliding fit mode in the square through groove, be the sliding fit mode between the medial surface at both ends about the outside end face of gag lever post (29e) and polishing abrasive paper (29c), the joint logical groove has been seted up to the right-hand member face of protruding piece (29d), bayonet lock (29f) is installed through the sliding fit mode in the logical inslot of joint, be the sliding fit mode between bayonet lock (29f) and gag lever post (29 e).
4. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: the utility model discloses a connecting plate, including sliding plate (334), axostylus axostyle (33a) is installed through sliding fit mode to the preceding back both ends face of sliding plate (334), axostylus axostyle (33a) links to each other with the rear end of connecting plate (337), be connected with No. two bayonet locks (33b) through sliding fit mode between the rear end of connecting plate (337) and sliding plate (334), No. two bayonet locks (33b) are located the left side of axostylus axostyle (33a), the round pin groove has been seted up to the preceding back both ends face upper end symmetry of sliding plate (334), the contained angle between round pin groove and No. two bayonet lock (33b) is 90, No. two connecting plates (33c) are installed to the outside end of axostylus axostyle (33a), No. two connecting plates (33c) are located the outside of connecting plate (.
5. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: workstation (1) up end front end install baffle (11) No. one, baffle (11) are located the positive left side of draw-in groove No. one, and be the sliding fit mode between the left end face of baffle (11) and the right-hand member face of pushing hands (21), the left side of baffle (11) is provided with No. two baffles (12), the contained angle between No. two baffles (12) and baffle (11) is 90, install the up end at workstation (1) No. two baffles (12), and No. two baffles (12) are located the positive rear side of No. two draw-in grooves, be the sliding fit mode between the preceding terminal surface of No. two baffles (12) and the left end face of pushing hands (21).
6. The production and processing technology of the precision injection molding part according to claim 1, characterized in that: the front end and the rear end of the flat plate (34) are provided with pin shafts in up-down symmetry, the pin shafts are connected with a kidney-shaped groove in a sliding fit mode, the kidney-shaped groove is formed in the inner side end of the U-shaped squeezing plate (341), and a sliding fit mode is adopted between the inner side surface of the inner side end of the U-shaped squeezing plate (341) and the outer side ends of the upper end and the lower end of the waterproof abrasive paper (35).
7. The production and processing process of the precision injection molding part according to claim 1, wherein the front end surface of the first L-type clamping plate (25) and the right end surface of the second L-type clamping plate (27) are provided with scale marks.
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| CN202010311120.9A CN111438625B (en) | 2020-04-20 | 2020-04-20 | Production and processing technology of precise injection molding piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296818A (en) * | 2020-10-16 | 2021-02-02 | 倪威武 | Plastic product extrusion molding process |
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| CN106863097A (en) * | 2017-02-25 | 2017-06-20 | 成都蒲江珂贤科技有限公司 | A kind of plane polishing device |
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| CN108942500A (en) * | 2018-08-21 | 2018-12-07 | 临泉县蓝天钢化玻璃有限公司 | A kind of automatic switchover edging device of tempered glass |
| CN209919607U (en) * | 2019-06-03 | 2020-01-10 | 仁新实业发展（信阳）有限公司 | Quartz stone plate polishing machine |
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| DE3934914A1 (en) * | 1989-10-20 | 1991-04-25 | Erbsloeh Julius & August | NC portal frame-type polishing machine - has three translation and two rotational axes of movement of polishing |
| CN203993435U (en) * | 2014-08-19 | 2014-12-10 | 深圳市联懋塑胶有限公司 | Product plastic shell automatic grinding device |
| CN106863097A (en) * | 2017-02-25 | 2017-06-20 | 成都蒲江珂贤科技有限公司 | A kind of plane polishing device |
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| CN111438625B (en) | 2021-02-19 |
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Effective date of registration: 20210129 Address after: 065600 Daxinzhuang village, LiuJie Township, Yongqing County, Langfang City, Hebei Province Applicant after: Yongqing Yisheng JinSu Co.,Ltd. Address before: Nanjing Agricultural University, No.1 Weigang, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Applicant before: Fu Zihao |
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