CN117103068B - Trimming and processing equipment and method for computer injection molding accessories - Google Patents
Trimming and processing equipment and method for computer injection molding accessories Download PDFInfo
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- CN117103068B CN117103068B CN202311374257.9A CN202311374257A CN117103068B CN 117103068 B CN117103068 B CN 117103068B CN 202311374257 A CN202311374257 A CN 202311374257A CN 117103068 B CN117103068 B CN 117103068B
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- injection molding
- insulation cover
- molding shell
- heat insulation
- temperature
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 132
- 238000009966 trimming Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 7
- 238000009413 insulation Methods 0.000 claims abstract description 87
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000004033 plastic Substances 0.000 claims abstract description 32
- 229920003023 plastic Polymers 0.000 claims abstract description 32
- 239000002923 metal particle Substances 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000005498 polishing Methods 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000428 dust Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
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
- B24B27/00—Other grinding machines or devices
-
- 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
- B24B27/0092—Grinding attachments for lathes or the like
-
- 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
- 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
-
- 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
- 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
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses trimming processing equipment and a trimming processing method for computer injection molding accessories, and particularly relates to the technical field of computer accessory production. The trimming and processing equipment for the injection molding accessories of the computer comprises a machine case, wherein a fixed seat and a three-axis driver are arranged on the machine case, a grinding machine is arranged at the output end of the three-axis driver, the grinding machine comprises a motor structure and a grinding structure, a heat insulation cover is arranged outside the grinding machine, and an opening for accommodating the injection molding housing to enter the heat insulation cover is arranged at the position of the heat insulation cover corresponding to the injection molding housing; the inside of the heat insulation cover is provided with a cooling system, and the cooling system comprises a low-temperature air flow nozzle. According to the invention, the hardness of the plastic material is increased by cooling the material in the trimming area of the injection molding shell, the plastic material around the metal particles is not easy to be extruded and deformed, looseness is difficult to occur, the phenomenon that pits are formed due to falling of the metal particles is greatly avoided, and the processing quality is improved.
Description
Technical Field
The invention relates to the technical field of computer accessory production, in particular to trimming processing equipment and a processing method of a computer injection molding accessory.
Background
The computer is commonly called a computer, is a modern electronic computing machine for high-speed computing, and consists of a plurality of accessories, namely plastic injection molding parts such as a shell, a cushion block bracket and the like, wherein the accessories are all formed by injection molding, for example, a computer shell structure (injection molding shell) formed by injection molding, and the injection molding parts consist of synthetic resin and additives such as filling materials, plasticizers, stabilizers, lubricants, pigments and the like.
When the injection molding part is just injection molded, the surface of the injection molding part is provided with a water gap structure formed by the injection molding channel, part of products are larger in the water gap structure formed by the larger injection molding channel, before the products become the formal products, the water gap and other useless structures are required to be polished and trimmed, useless structures are removed, the trimming parts are polished, polishing marks are eliminated, and the final products can be formed,
in order to improve the attractiveness, part of the injection molding shell adopts metal powder as a filler to produce an injection molding part, which is a common injection molding process and can endow the injection molding part with specific performance and appearance characteristics. The metal powder and the plastic matrix are mixed to obtain the injection molding shell with special texture, so that the shell is more attractive, part of the injection molding shell meets the artistic design requirement for further improving the attractiveness, the special artistic effect is achieved, metal particles with larger granularity are added into plastic to replace the metal powder, specifically, before injection molding processing, the metal particles are mixed into a molten injection molding material, after waiting for injection molding, a plurality of obvious points with metal texture can be seen by the molded injection molding part, and the points are the metal particles filled and fused into the injection molding part.
Because thermal vibration between plastic molecules of plastic materials is reduced at normal temperature, molecular arrangement is disordered, and the texture is relatively soft, therefore, when the injection molding piece filled with metal particles is trimmed, the metal particles are relatively hard, when polishing, the metal particles are subjected to friction resistance of a polishing structure, and because the metal particles are embedded into the plastic materials of the injection molding piece, the plastic materials are relatively soft again at normal temperature, the plastic materials around the metal particles are extruded under the friction force of the polishing structure, so that the plastic materials are deformed, and further loosening and easy falling are generated between the metal particles and the plastic materials, pits are formed on the surface of the injection molding piece after the metal particles fall off, and the surface quality of the injection molding piece is affected.
Disclosure of Invention
The invention provides trimming processing equipment and a processing method of a computer injection molding accessory, which aims to solve the problems that: the existing injection molding part filled with metal particles is soft in plastic materials during polishing and trimming, and the metal particles can squeeze the plastic materials around the metal particles under the friction force action of a polishing structure, so that the plastic materials deform and are easy to fall off.
In order to achieve the above purpose, the present invention provides the following technical solutions: the trimming and processing equipment for the computer injection molding accessories comprises a machine case, wherein a fixing seat and a triaxial driver are installed on the machine case, the fixing seat is used for fixing an injection molding shell, a grinding machine is arranged at the output end of the triaxial driver, the grinding machine comprises a motor structure and a grinding structure, and the grinding structure is a grinding wheel and a polishing wheel which are installed on an output shaft of the motor in the grinding machine;
the outer part of the grinding machine is provided with a heat insulation cover, and the part of the heat insulation cover corresponding to the injection molding shell is provided with an opening for accommodating the injection molding shell into the heat insulation cover;
the inside of the heat insulation cover is provided with a cooling system, the cooling system comprises a low-temperature air flow nozzle, the output end of the low-temperature air flow nozzle is arranged towards the trimming area of the injection molding shell, the input end of the low-temperature air flow nozzle is connected with a low-temperature source, and the low-temperature source is used for conveying low-temperature air to the low-temperature air flow nozzle;
the temperature reduction system further comprises a temperature sensor, the temperature sensor is used for detecting whether the temperature of the material in the trimming area of the injection molding shell is in a standard temperature range, the standard temperature range is a temperature range value when metal particles are extruded by friction force of the polishing structure and deformation of the plastic material does not cause loosening of the metal particles, and when the detection value of the temperature sensor is higher than the standard temperature range, the low-temperature air flow nozzle sprays low-temperature air flow until the detection value of the temperature sensor returns to the standard temperature range.
In a preferred embodiment, the fixing base is provided with a clamp holder, the clamp holder comprises a clamping block, a support and a lifter, the support is fixedly arranged on the fixing base, the clamping block is rotatably arranged on the support, one end, close to the injection molding shell, of the clamping block is a clamping end, one end, far away from the injection molding shell, of the clamping block is connected with the output end of the lifter, and the lifter is fixedly arranged on the fixing base.
In a preferred embodiment, the three-axis drive comprises an X-axis drive, a Y-axis drive and a Z-axis drive, the X-axis drive is fixedly mounted on the chassis by a bracket, the Y-axis drive is mounted on an output end of the X-axis drive, the Z-axis drive is mounted on an output end of the Y-axis drive, a tailstock is mounted on an output end of the Z-axis drive, and the grinder is fixedly mounted on the tailstock.
In a preferred embodiment, a connecting column is fixedly installed at the top of the heat insulation cover, vertically penetrates through the tailstock and is in sliding connection with the tailstock, and an elastic piece is arranged between the connecting column and the tailstock and is used for providing downward elasticity for the heat insulation cover.
In a preferred embodiment, the opening height of the thermal insulation cover is larger than the height of the injection molding shell, the buffer cover is slidably mounted on the thermal insulation cover at the upper side and the lower side of the opening, a guide groove is formed in the buffer cover, a guide pillar fixedly connected with the thermal insulation cover is arranged in the guide groove, the buffer cover is attached to the outer wall of the thermal insulation cover and slides, and after the injection molding shell enters the opening of the thermal insulation cover, the buffer cover is slidably matched with the injection molding shell.
In a preferred embodiment, an elastic member is disposed between the buffer cover and the thermal insulation cover, the elastic member is used for providing an elastic force for the buffer cover approaching to the injection molding shell, and a plurality of balls are mounted on the matching surface of the buffer cover and the injection molding shell.
In a preferred embodiment, an exhaust pipe is fixedly arranged at the bottom of the heat insulation cover, the exhaust pipe is connected with an exhaust device, bristles are arranged on the opening of the heat insulation cover and used for preventing processing chips in the heat insulation cover from overflowing from the opening of the heat insulation cover.
In a preferred embodiment, the bottom of the heat insulation cover is provided with a drainage chamber, the drainage chamber is a transverse channel, a collecting rotary drum is rotatably arranged in the drainage chamber, an inlet is arranged between one side of the drainage chamber and a chamber of the heat insulation cover, the inlet is a necking type, an exhaust pipe is arranged on one side far away from the inlet of the drainage chamber and communicated with the drainage chamber, a narrow slit is formed between the drainage chamber and the collecting rotary drum, a heater is arranged in the collecting rotary drum and corresponds to the inlet of the drainage chamber, and the side wall of the drainage chamber, which is close to one side of the heater, is made of heat insulation materials.
In a preferred embodiment, one end of the collecting rotary drum is an open port, the heater is installed in the collecting rotary drum from the open port and is fixedly installed on the inner wall of the drainage chamber, the other end of the collecting rotary drum is rotationally connected with the side wall of the drainage chamber through a rotating shaft and is driven by a motor to rotate, a thin-wall cooling area is arranged between the area, away from one side of the heater, of the drainage chamber and the cavity of the heat insulation cover, a scraping plate is further arranged in the drainage chamber, the scraping plate is located on one side, away from the heater, of the thin-wall cooling area, and one end of the scraping plate is in sliding fit with the surface of the collecting rotary drum.
A trimming processing method of a computer injection molding accessory comprises the following steps:
step one, fixing an injection molding shell on a fixed seat, and exposing a part to be modified of the injection molding shell outside the fixed seat;
driving a polisher and a heat insulation cover to move towards a trimming area of the injection molding shell through a triaxial driver, enabling the injection molding shell to enter the injection molding shell through an opening of the heat insulation cover, and enabling a part to be trimmed of the injection molding shell to be in contact with a polishing wheel;
starting a low-temperature source, enabling a low-temperature air flow nozzle to spray low-temperature air flow to cool materials in a trimming area of the injection molding shell, reducing the temperature to a standard temperature range, and stopping the low-temperature source;
step four, starting a grinding machine to drive a grinding wheel to rotate for grinding, detecting the temperature of the material in the trimming area of the injection molding shell through a temperature sensor, and starting a low-temperature air flow nozzle until the detection value of the temperature sensor returns to the standard temperature range when the detection value of the temperature sensor is higher than the standard temperature range, so as to control the temperature of the material in the trimming area of the injection molding shell to be always in the optimal standard temperature range;
step five, after finishing polishing, controlling a polishing machine to descend to enable a polishing wheel to be in contact with a trimming area of the injection molding shell, and polishing the polished part;
and step six, finishing, wherein the triaxial driver controls the heat insulation cover to leave the injection molding shell and reset, and the injection molding shell is taken out from the fixing seat.
The invention has the beneficial effects that: according to the invention, the heat insulation cover is additionally arranged, the cooling system is arranged in the heat insulation cover, so that the material in the trimming area of the injection molding shell is cooled, the temperature of the material is in a standard temperature range, the thermal vibration between plastic molecules is reduced, the hardness of the plastic material is increased, when the grinding wheel is contacted with metal particles in the plastic material to generate friction force, the plastic material around the metal particles is not easy to be extruded and deformed, looseness is difficult to generate, the phenomenon that the metal particles fall off to form pits is greatly avoided, and the processing quality is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the finishing process state of the present invention.
FIG. 3 is a schematic view showing the internal structure of the heat insulation cover of the present invention.
Fig. 4 is a schematic illustration of dressing of the grinding wheel of the present invention.
Fig. 5 is a layout position diagram of the temperature sensor of the present invention.
Fig. 6 is an external view of the thermal insulation cover of the present invention.
FIG. 7 is a schematic view of the internal structure of the heat insulation cover after adding the collecting drum in the invention.
FIG. 8 is a schematic view of the direction of air flow in the air collecting channel of the present invention.
FIG. 9 is a schematic view of the installation location of the heater and collection bowl of the present invention.
Fig. 10 is an enlarged view of the portion a of fig. 3 according to the present invention.
Fig. 11 is a schematic view of the overall structure of the holder of the present invention.
FIG. 12 is a schematic view of the part to be trimmed of the injection molded housing of the present invention.
FIG. 13 is a flow chart of the processing method of the present invention.
The reference numerals are: 1. a chassis; 11. a fixing seat; 12. a holder; 121. a clamping block; 122. a support; 123. a jack; 13. a temperature sensor; 2. a triaxial driver; 21. an X-axis driver; 22. a Y-axis driver; 23. a Z-axis driver; 24. a tailstock; 3. a grinding machine; 31. grinding wheel; 32. a polishing wheel; 4. a thermal insulation cover; 41. a connecting column; 42. an exhaust pipe; 43. a drainage chamber; 44. a collection drum; 45. a heater; 46. a thin-wall cooling area; 47. a scraper; 5. a low temperature gas flow nozzle; 6. a buffer cover; 61. a ball; a. and (5) injection molding the shell.
Description of the embodiments
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Referring to fig. 1-12 of the specification, a finishing processing device for computer injection molding accessories comprises a case 1, wherein a fixing seat 11 and a three-shaft driver 2 are installed on the case 1, the fixing seat 11 is used for fixing an injection molding shell a, the injection molding shell a is a computer shell, a part to be finished of the fixed injection molding shell a is exposed out of the fixing seat 11 so as to facilitate finishing processing, a grinding machine 3 is arranged at an output end of the three-shaft driver 2, the three-shaft driver 2 is used for controlling the grinding machine 3 to reach the part to be finished of the injection molding shell a, a region to be processed of the part to be finished is a finishing region, and feeding of the grinding machine 3 is controlled, the grinding machine 3 comprises a motor structure and a polishing structure, the polishing structure is a polishing wheel 31 and a polishing wheel 32 which are installed on an output shaft of the motor in the grinding machine 3, during processing, the polishing wheel 31 and the part to be finished of the injection molding shell a are controlled to be polished at first, the polishing wheel 32 is controlled to be contacted with the finishing region after finishing to be finished, a thermal insulation cover 4 is arranged at the outer part of the grinding machine 4 corresponding to the part of the injection molding shell a, and the thermal insulation cover 4 is arranged in the polishing opening of the thermal insulation cover 4 and the polishing wheel 32 is positioned inside the polishing wheel 32;
the inside of the thermal insulation cover 4 is provided with a cooling system, the cooling system comprises a low-temperature air flow nozzle 5, the low-temperature air flow nozzle 5 is fixedly arranged in the thermal insulation cover 4, the output end of the low-temperature air flow nozzle 5 faces the trimming area of the injection molding shell a, the input end of the low-temperature air flow nozzle 5 is connected with a low-temperature source, the low-temperature source is used for conveying low-temperature air to the low-temperature air flow nozzle 5 so as to cool the material of the injection molding shell a to be trimmed, when the temperature of the injection molding shell a is reduced, thermal vibration among plastic molecules is reduced, the molecules are more orderly arranged, the hardness of the plastic material is increased, therefore, when the polishing wheel 31 is contacted with metal particles in the plastic material to generate friction force, the plastic material around the metal particles is difficult to be extruded and deformed, the phenomenon that the metal particles fall off to form pits is avoided greatly, and the processing quality is improved;
the cooling system further comprises a temperature sensor 13, the temperature sensor 13 is fixedly arranged on the fixing seat 11, the temperature sensor 13 is positioned at the inner wall of the injection molding shell a corresponding to the trimming area, the temperature sensor 13 is used for detecting whether the temperature of the material in the trimming area of the injection molding shell a is in a standard temperature range, and the standard temperature range is a temperature range value when the plastic material is not deformed when the plastic material is extruded by friction force generated by contact of the polishing structure on metal particles during trimming processing.
It should be noted that, because the standard temperature is relatively low, the minimum temperature of the cooling liquid cannot reach the standard temperature, and the cooling liquid cannot be used as a cooling medium, but the low-temperature source adopted in the embodiment comprises a power source and a freezing source, the pump driving gas can be adopted to output low-temperature gas after passing through the low-temperature freezing equipment, or a liquid nitrogen freezing technology can be used, liquid nitrogen is released by the pressure of the liquid nitrogen container, so that the liquid nitrogen is gasified at the low-temperature air flow nozzle 5 to form low-temperature nitrogen, and the heat is absorbed on the part to be modified of the injection molding shell a to realize cooling; before finishing processing starts, the low-temperature source is started, cold air flow blown out by the low-temperature air flow nozzle 5 is enabled to cool a part to be finished of the injection molding shell a until the detection temperature of the temperature sensor 13 accords with a standard temperature range, the low-temperature source is suspended, in the processing process, the temperature of material in a finishing area of the injection molding shell a is detected in real time by using the temperature sensor 13, if the detection value of the temperature sensor 13 is higher than the standard temperature range, the low-temperature air flow nozzle 5 is started again until the detection value of the temperature sensor 13 returns to the standard temperature range, and therefore the temperature of the material in the finishing area of the injection molding shell a is controlled to be always in the optimal standard temperature range.
Further, be provided with holder 12 on the fixing base 11, holder 12 includes clamp block 121, support 122 and jack 123, support 122 fixed mounting is on fixing base 11, clamp block 121 rotates and installs on support 122, clamp block 121 is close to the one end of moulding plastics shell a and is the holding end, clamp block 121 is kept away from the one end of moulding plastics shell a and is connected with the output of jack 123, jack 123 fixed mounting is on fixing base 11, jack 123 optional cylinder, during the centre gripping, moulding plastics shell a is directly placed on fixing base 11, through the location protruding location, jack 123 makes the holding end of clamp block 121 descend to moulding plastics shell a clamp through the one end that drive clamp block 121 kept away from moulding plastics shell a.
Further, the three-axis driver 2 includes an X-axis driver 21, a Y-axis driver 22 and a Z-axis driver 23, the X-axis driver 21 is fixedly mounted on the chassis 1 through a bracket, the Y-axis driver 22 is mounted on an output end of the X-axis driver 21, the Z-axis driver 23 is mounted on an output end of the Y-axis driver 22, a tailstock 24 is mounted on an output end of the Z-axis driver 23, the grinding machine 3 is fixedly mounted on the tailstock 24, the X-axis driver 21 is used for driving the Y-axis driver 22 to linearly move along the X-axis direction, the Y-axis driver 22 is used for driving the Z-axis driver 23 to linearly move along the Y-axis direction, and the Z-axis driver 23 is used for driving the tailstock 24 to linearly move along the Z-axis direction, so that driving of any point of the grinding machine 3 can be realized.
It should be noted that, the top of the thermal insulation cover 4 is fixedly provided with the connecting column 41, the connecting column 41 vertically penetrates through the tailstock 24 and is in sliding connection with the tailstock 24, an elastic piece is arranged between the connecting column 41 and the tailstock 24, the elastic piece is used for providing downward elastic force for the thermal insulation cover 4, specifically, before finishing processing, the thermal insulation cover 4 and the grinding machine 3 are controlled to synchronously move, the injection molding shell a penetrates through an opening of the thermal insulation cover 4 to be in contact with the grinding wheel 31 in the thermal insulation cover 4, when the grinding wheel 31 processes and feeds, the thermal insulation cover 4 moves along with the tailstock 24 in a plane mode, the thermal insulation cover 4 is guaranteed to be always wrapped around the periphery of a processing area, and as the grinding wheel 31 and the polishing wheel 32 are simultaneously arranged on a motor shaft, when the process is changed, only the height of the grinding machine 3 is required to be adjusted, the polishing wheel 32 is enabled to be in contact with the finishing area, at the moment, the thermal insulation cover 4 does not need to be adjusted to be matched with the injection molding shell a under the action of the connecting column 41, and processing convenience is improved.
Further, in order to facilitate the injection molding shell a to enter the thermal insulation cover 4, the height of the opening of the thermal insulation cover 4 is larger than that of the injection molding shell a, meanwhile, buffer covers 6 are slidably arranged on the thermal insulation cover 4 at the upper side and the lower side of the opening, guide grooves are formed in the buffer covers 6, guide columns fixedly connected with the thermal insulation cover 4 are arranged in the guide grooves, the buffer covers 6 are installed and guided, the buffer covers 6 are attached to the outer wall of the thermal insulation cover 4 to slide, and after the injection molding shell a enters the opening of the thermal insulation cover 4, the buffer covers 6 are slidably matched with the injection molding shell a;
specifically, an elastic member is disposed between the buffer cover 6 and the thermal insulation cover 4, the elastic member is used for providing an elastic force approaching to the injection molding shell a for the buffer cover 6, and a plurality of balls 61 are installed on the matching surface of the buffer cover 6 and the injection molding shell a (because the injection molding shell a is usually a hollow shell, and one surface is a non-structural part, in order to facilitate the work of the thermal insulation cover 4 and the buffer cover 6, a filling structure for filling the non-structural part of the injection molding shell a can be disposed on the fixing seat 11, and referring to fig. 5 of the specification, the buffer cover 6 located below can be in contact with the filling structure), when the injection molding shell a enters the opening of the thermal insulation cover 4, the two buffer covers 6 can be squeezed apart, and abrasion is avoided by rolling of the balls 61, and meanwhile, friction resistance when the thermal insulation cover 4 and the injection molding shell a relatively move during processing and feeding can be reduced.
Further, since the injection molding shell a is polished to generate scraps, in order to collect scraps, the exhaust pipe 42 is fixedly arranged at the bottom of the heat insulation cover 4, the exhaust pipe 42 is connected with the exhaust equipment, the exhaust equipment is utilized to exhaust air in the heat insulation cover 4 during actual processing, the low-temperature gas blown out by the low-temperature air flow nozzle 5 is pumped out so as to be convenient for recovery, and in order to avoid the scraps from flying out from the opening and the clearance between the buffer cover 6 and the injection molding shell a, dense bristles are arranged on the opening of the heat insulation cover 4 so as to block the scraps.
Because this embodiment has adopted the mode of repairing after cooling to injection molding shell a spare, hardness has also improved the brittleness of material when improving injection molding shell a and repairing the processing, when polishing, the material is difficult for taking place elastic deformation, on the contrary, break and breakage more easily take place, lead to more granule to be ground into the dust, consequently, processing is less for the piece granularity that processing produced under normal atmospheric temperature, the dust is more, and tiny granule is difficult for being filtered the separation, influence the recovery to low temperature gas, consequently, this embodiment still provides following technical scheme, specifically, refer to description figure 7-figure 9:
the bottom of the thermal insulation cover 4 is provided with a drainage chamber 43, the drainage chamber 43 is a transverse channel, the collection rotary drum 44 is rotatably installed in the drainage chamber 43, an inlet port is formed between one side of the drainage chamber 43 and a chamber of the thermal insulation cover 4, the inlet port is a necking type, therefore, the entering air flow can be intensively guided to the surface of the collection rotary drum 44, dust can fall on the surface of the collection rotary drum 44 more fully, an exhaust pipe 42 is installed on one side far away from the inlet port of the drainage chamber 43 and is communicated with the drainage chamber 43, a narrow slit is formed between the drainage chamber 43 and the collection rotary drum 44, a heater 45 is arranged in the collection rotary drum 44, the side wall of the drainage chamber 43, which is close to the inlet port of the drainage chamber 43, is made of a heat insulation material, the influence of the heat of the heater 45 on the inner area of the thermal insulation cover 4 is reduced, the heater 45 only heats the area of the heater 45, the air flow in the thermal insulation cover 4 carries the dust entering the drainage chamber 43 into the collection rotary drum 43 from the drainage chamber 43 and directly contacts the collection rotary drum 44, the dust is effectively converged on the collection rotary drum 44 after the dust flows out of the collection rotary drum 44 from the inlet port, and the collection rotary drum 44 is adhered to the collection rotary drum 44.
It should be noted that, one end of the collecting drum 44 is an open port, the heater 45 is installed from the open port into the collecting drum 44, and is fixedly installed on the inner wall of the drainage chamber 43, the other end of the collecting drum 44 is rotationally connected with the side wall of the drainage chamber 43 through a rotating shaft, and is driven by a motor to rotate the collecting drum 44, a thin-wall cooling region 46 is arranged between a region of the drainage chamber 43 away from the heater 45 and a chamber of the heat insulation cover 4, a scraping plate 47 is further arranged in the drainage chamber 43, the scraping plate 47 is positioned at one side of the thin-wall cooling region 46 away from the heater 45, one end of the scraping plate 47 is in sliding fit with the surface of the collecting drum 44, the region of the thin-wall cooling region 46 is affected by the low temperature inside the heat insulation cover 4, the surface of the collecting drum 44 away from the heater 45 is cooled, the melted dust material is resolidified, the scraping plate 47 is scraped by the scraping plate 47, a discharge port can be arranged at the position of the drainage chamber 43 corresponding to the scraping plate 47, and a collecting box can be arranged.
Referring to fig. 13 of the drawings, a method for trimming a computer injection molded part comprises the steps of:
step one, fixing an injection molding shell a on a fixed seat 11, and exposing a part to be modified of the injection molding shell a outside the fixed seat 11;
step two, driving a grinding machine 3 and a heat insulation cover 4 to move towards a trimming area of an injection molding shell a through a triaxial driver 2, enabling the injection molding shell a to enter the inside of the injection molding shell a through an opening of the heat insulation cover 4, and enabling a part to be trimmed of the injection molding shell a to be in contact with a grinding wheel 31;
starting a low-temperature source, enabling the low-temperature air flow sprayed by the low-temperature air flow spray head 5 to cool the material in the trimming area of the injection molding shell a, reducing the temperature to a standard temperature range, and stopping the low-temperature source;
step four, starting a grinding machine 3 to drive a grinding wheel 31 to rotate for grinding, detecting the temperature of the material in the trimming area of the injection molding shell a through a temperature sensor 13, and starting a low-temperature air flow nozzle 5 until the detection value of the temperature sensor 13 returns to the standard temperature range when the detection value of the temperature sensor 13 is higher than the standard temperature range, so as to control the temperature of the material in the trimming area of the injection molding shell a to be always in the optimal standard temperature range;
step five, after finishing polishing, controlling the polishing machine 3 to descend to enable the polishing wheel 32 to be in contact with a trimming area of the injection molding shell a, and polishing the polished part;
and step six, finishing, namely controlling the heat insulation cover 4 to leave the injection molding shell a and reset by the triaxial driver 2, and taking out the injection molding shell a from the fixed seat 11.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (7)
1. The utility model provides a trimming processing equipment of computer injection molding accessory which characterized in that: the three-axis injection molding machine comprises a machine case (1), wherein a fixing seat (11) and a three-axis driver (2) are installed on the machine case (1), the fixing seat (11) is used for fixing an injection molding shell (a), a grinding machine (3) is arranged at the output end of the three-axis driver (2), the grinding machine (3) comprises a motor structure and a grinding structure, and the grinding structure is a grinding wheel (31) and a polishing wheel (32) which are installed on an output shaft of the motor in the grinding machine (3);
the outer part of the grinding machine (3) is provided with a heat insulation cover (4), and the part of the heat insulation cover (4) corresponding to the injection molding shell (a) is provided with an opening for accommodating the injection molding shell (a) to enter the heat insulation cover (4);
the inside of the thermal insulation cover (4) is provided with a cooling system, the cooling system comprises a low-temperature air flow nozzle (5), the output end of the low-temperature air flow nozzle (5) is arranged towards the trimming area of the injection molding shell (a), the input end of the low-temperature air flow nozzle (5) is connected with a low-temperature source, and the low-temperature source is used for conveying low-temperature air to the low-temperature air flow nozzle (5);
the cooling system further comprises a temperature sensor (13), wherein the temperature sensor (13) is used for detecting whether the temperature of the material in the trimming area of the injection molding shell (a) is in a standard temperature range, the standard temperature range is a temperature range value when metal particles are extruded by friction force of a polishing structure and deformation of the plastic material does not cause loosening of the metal particles, and when the detection value of the temperature sensor (13) is higher than the standard temperature range, the low-temperature air flow is sprayed out by the low-temperature air flow nozzle (5) until the detection value of the temperature sensor (13) returns to the standard temperature range;
an exhaust pipe (42) is fixedly arranged at the bottom of the heat insulation cover (4), the exhaust pipe (42) is connected with exhaust equipment, bristles are arranged on an opening of the heat insulation cover (4), and the bristles are used for preventing processing scraps in the heat insulation cover (4) from overflowing from the opening of the heat insulation cover (4);
the bottom of the heat insulation cover (4) is provided with a drainage chamber (43), the drainage chamber (43) is a transverse channel, a collecting rotary drum (44) is rotatably installed in the drainage chamber (43), an inlet is formed between one side of the drainage chamber (43) and a chamber of the heat insulation cover (4), the inlet is a necking type, the exhaust pipe (42) is installed on one side far away from the inlet of the drainage chamber (43) and is communicated with the drainage chamber (43), a narrow gap is formed between the drainage chamber (43) and the collecting rotary drum (44), a heater (45) is arranged in the collecting rotary drum (44), the heater (45) is arranged corresponding to the inlet of the drainage chamber (43), and the side wall, close to one side of the heater (45), of the drainage chamber (43) is made of heat insulation materials;
one end of the collecting rotary drum (44) is an open port, the heater (45) is fixedly arranged on the inner wall of the drainage chamber (43), the other end of the collecting rotary drum (44) is rotationally connected with the side wall of the drainage chamber (43) through a rotating shaft and is driven by a motor to rotate, a thin-wall cooling area (46) is arranged between the area, away from one side of the heater (45), of the drainage chamber (43) and the cavity of the heat insulation cover (4), a scraping plate (47) is further arranged in the drainage chamber (43), the scraping plate (47) is located on one side, away from the heater (45), of the thin-wall cooling area (46), and one end of the scraping plate (47) is in sliding fit with the surface of the collecting rotary drum (44).
2. A finishing apparatus for a computer injection molded part as claimed in claim 1, wherein: the fixing seat (11) is provided with a clamp holder (12), the clamp holder (12) comprises a clamping block (121), a support (122) and a lifter (123), the support (122) is fixedly arranged on the fixing seat (11), the clamping block (121) is rotatably arranged on the support (122), one end, close to an injection molding shell (a), of the clamping block (121) is a clamping end, one end, far away from the injection molding shell (a), of the clamping block (121) is connected with the output end of the lifter (123), and the lifter (123) is fixedly arranged on the fixing seat (11).
3. A finishing apparatus for a computer injection molded part as claimed in claim 2, wherein: the three-axis driver (2) comprises an X-axis driver (21), a Y-axis driver (22) and a Z-axis driver (23), wherein the X-axis driver (21) is fixedly arranged on the case (1) through a bracket, the Y-axis driver (22) is arranged at the output end of the X-axis driver (21), the Z-axis driver (23) is arranged at the output end of the Y-axis driver (22), a tailstock (24) is arranged at the output end of the Z-axis driver (23), and the grinding machine (3) is fixedly arranged on the tailstock (24).
4. A finishing apparatus for a computer injection molded part as claimed in claim 3, wherein: the top fixed mounting of thermal-insulated cover (4) has spliced pole (41), spliced pole (41) vertically run through tailstock (24) to with tailstock (24) sliding connection, be provided with the elastic component between spliced pole (41) and tailstock (24), this elastic component is used for providing decurrent elasticity to thermal-insulated cover (4).
5. The finishing apparatus for a computer injection molded part of claim 4, wherein: the high height that is greater than injection molding shell (a) of opening of thermal insulation cover (4), the equal slidable mounting in upper and lower both sides position department that is located the opening part on thermal insulation cover (4) has buffer cover (6), be provided with the guide slot on buffer cover (6), set up in the guide slot with thermal insulation cover (4) fixed connection's guide pillar, buffer cover (6) laminating is in the outer wall slip of thermal insulation cover (4), after injection molding shell (a) got into the opening of thermal insulation cover (4), buffer cover (6) and injection molding shell (a) sliding fit.
6. The finishing apparatus for a computer injection molded part of claim 5, wherein: an elastic piece is arranged between the buffer cover (6) and the heat insulation cover (4) and is used for providing an elastic force for the buffer cover (6) to approach the injection molding shell (a), and a plurality of balls (61) are arranged on the matching surface of the buffer cover (6) and the injection molding shell (a).
7. A method of trimming a computer injection molded part as claimed in claim 1, comprising the steps of:
fixing an injection molding shell (a) on a fixed seat (11), and exposing a part to be modified of the injection molding shell (a) outside the fixed seat (11);
step two, driving a grinding machine (3) and a heat insulation cover (4) to move towards a trimming area of an injection molding shell (a) through a triaxial driver (2), enabling the injection molding shell (a) to enter the interior of the injection molding shell (a) through an opening of the heat insulation cover (4), and enabling a part to be trimmed of the injection molding shell (a) to be in contact with a grinding wheel (31);
starting a low-temperature source, enabling a low-temperature air flow sprayed by a low-temperature air flow spray head (5) to cool materials in a trimming area of the injection molding shell (a), reducing the temperature to a standard temperature range, and stopping the low-temperature source;
step four, starting a grinding machine (3) to drive a grinding wheel (31) to rotate for grinding, detecting the temperature of a material in a trimming area of the injection molding shell (a) through a temperature sensor (13) during processing, and starting a low-temperature air flow nozzle (5) until the detection value of the temperature sensor (13) returns to a standard temperature range when the detection value of the temperature sensor (13) is higher than the standard temperature range, so as to control the temperature of the material in the trimming area of the injection molding shell (a) to be always in the optimal standard temperature range;
step five, after finishing polishing, controlling the polishing machine (3) to descend to enable the polishing wheel (32) to be in contact with a trimming area of the injection molding shell (a), and polishing the polished part;
and step six, finishing, namely controlling the heat insulation cover (4) to leave the injection molding shell (a) and reset by the triaxial driver (2), and taking out the injection molding shell (a) from the fixed seat (11).
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| CN202311374257.9A CN117103068B (en) | 2023-10-23 | 2023-10-23 | Trimming and processing equipment and method for computer injection molding accessories |
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| CN115673946A (en) * | 2021-07-23 | 2023-02-03 | 中国石油化工股份有限公司 | Natural gas hydrate core grinding device, system and method |
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| CN107116411A (en) * | 2017-05-15 | 2017-09-01 | 吴著业 | A kind of polissoir for the maching of Al wheel |
| CN208005315U (en) * | 2018-04-03 | 2018-10-26 | 苏州浦灵达自动化科技有限公司 | One kind being used for robotic part plate grinding apparatus |
| CN210452190U (en) * | 2019-08-22 | 2020-05-05 | 南京恒铭达精密科技有限公司 | Automobile mold polishing device |
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