CN212920182U - Injection device for injection molding - Google Patents
Injection device for injection molding Download PDFInfo
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- CN212920182U CN212920182U CN202020807550.5U CN202020807550U CN212920182U CN 212920182 U CN212920182 U CN 212920182U CN 202020807550 U CN202020807550 U CN 202020807550U CN 212920182 U CN212920182 U CN 212920182U
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- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 238000001746 injection moulding Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims description 39
- 238000001914 filtration Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000002994 raw material Substances 0.000 abstract description 86
- 239000012535 impurity Substances 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection moulding equipment field, concretely relates to injection device for moulding plastics. The automatic feeding device comprises a base, a charging barrel arranged on the base, a storage part arranged at one end, far away from the base, of the charging barrel, a nozzle arranged at one end, far away from the charging barrel, of the storage part, an air cylinder arranged on the base, a hopper arranged on the charging barrel, a filter screen arranged at one end of the nozzle, a filter part arranged between the hopper and the charging barrel and the like. The invention has simple structure, can greatly improve the purity of the raw materials, and avoids the condition of raw material blockage caused by arranging the filter screen at the nozzle. The position of the charging barrel corresponding to the second thread section is provided with an exhaust pipeline, so that the vaporized moisture can escape from the raw material and be exhausted from the exhaust pipeline. Through setting up the cylinder, the cylinder drives the nozzle and removes about, can make storage portion store more raw materials when the nozzle removes right, can avoid blockking up the filter screen because of impurity when the nozzle removes left and lead to moulding plastics unsmoothly.
Description
Technical Field
The invention relates to the field of injection molding processing equipment, in particular to an injection device for injection molding.
Background
An injection molding machine is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, and the principle of the injection molding machine is that after a certain amount of plastics are heated and plasticized within a specified time in one cycle of the injection molding machine, the molten plastics are injected into a die cavity through a screw at a certain pressure and speed.
The injection molding machine injects the melted raw materials into an injection mold through an injection device, and the raw materials form an injection molding piece after being cooled. The raw materials of injection molding inevitably contain impurities, and simultaneously, the injection molding machine industry is to reduce cost, recycles the feed back, stirs the feed back and the raw materials through a certain proportion, and then uses as the raw materials, which can not avoid bringing the impurities into the injection molding machine, and the fused raw materials can be blocked when reaching the injection mold through the nozzle, thereby causing unsmooth injection molding. Meanwhile, in the injection molding process, high pressure and high temperature are caused at local positions due to unsmooth air exhaust at the local positions of the mold or air exhaust at a glue inlet, so that the product is bright at the local positions (different in smoothness and other places) to form air marks, and some materials contain excessive moisture and gas, and if the substances are not exhausted to be brought into the product, the adverse effects on the physical and mechanical properties, the chemical properties and the electrical properties of the product are generated, and air bubbles are generated on the surface or inside of the product. These factors all severely reduce the yield of the injection molding machine.
Disclosure of Invention
In order to solve the above problems, the present invention provides an injection device for injection molding.
The invention is realized by adopting the following scheme:
the injection device comprises a base, a material barrel arranged on the base, a material storage part arranged at one end of the material barrel, which is far away from the base, a nozzle arranged at one end of the material storage part, which is far away from the material barrel, an air cylinder arranged on the base, and a hopper arranged on the material barrel, wherein the outer wall of the material barrel is sleeved with a first heating part, a first flow passage is arranged in the material barrel, and a first motor is arranged at the position of the base, which corresponds to the first flow passage; the first motor is rotatably connected with a rod body towards one end of the charging barrel, a first thread section is arranged on the part of the rod body close to the first motor, a second thread section is arranged on the part of the rod body far away from the first motor, and the thread pitch of the second thread section is smaller than that of the first thread section; an exhaust pipeline penetrating to the outer wall of the charging barrel is arranged at the position, corresponding to the second threaded section, of the first flow channel, a one-way valve is arranged at one end, away from the first threaded section, of the second threaded section, and a discharge opening is formed at one end, away from the second threaded section, of the one-way valve; a hopper is arranged at the position of the charging barrel corresponding to the first thread section, and a filtering part is also arranged between the hopper and the charging barrel; the outer wall of the charging barrel at the right end of the one-way valve is connected with a material storage part, one end of the material storage part, which is far away from the one-way valve, is provided with a nozzle, a second flow passage is arranged in the nozzle, and one end of the second flow passage, which is close to the material storage part, is also provided with a filter screen; the base is further provided with an air cylinder, a piston rod of the air cylinder is connected with a first connecting piece, and one end, far away from the piston rod, of the first connecting piece is connected with the nozzle.
Further, be provided with the teeter chamber between hopper and the filter house, the top of teeter chamber is provided with the second motor, and the second motor is connected with the puddler down one end rotation.
Furthermore, the outer wall of the stirring rod is provided with fan blades.
Furthermore, the inner wall of the bottom of the stirring chamber inclines from the outer side to the middle, and the fan blades incline upwards.
Further, a feeding pipeline is further arranged between the filtering part and the charging barrel, a second heating part is sleeved on the outer wall of the feeding pipeline, and a heating coil is arranged on the outer wall of the second heating part.
Further, storage portion and check valve can dismantle and be connected, just storage portion includes two detachable third connecting pieces.
Furthermore, the one end that the nozzle is close to the storage portion can be dismantled and be connected with the second connecting piece, the filter screen sets up in the second connecting piece.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure, can greatly improve the purity of the raw materials, and avoids the condition of raw material blockage caused by arranging the filter screen at the nozzle. The first screw thread section and the second screw thread section of the rod body are driven to rotate by the first motor, so that raw materials can be conveyed to the one-way valve by the first screw thread section and the second screw thread section. Through setting up the check valve, prevent the raw materials backward flow, avoid the raw materials to be extrudeed backward flow to the feed cylinder in. By providing the exhaust duct at the location of the second threaded section, the vaporized moisture can be discharged from the exhaust duct. Through setting up the cylinder, the cylinder drive nozzle moves about, and the volume of storage portion increases when the nozzle moves right, makes storage portion can store more raw materials, and when the nozzle moved left, the volume of storage portion reduced, makes the raw materials pass from the filter screen department of nozzle to filter the raw materials of molten condition by the filter screen. Through set up the filter house between hopper and feed cylinder, improve the purity of raw materials.
Drawings
Fig. 1 is a cross-sectional view of an injection device in an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a in fig. 1.
Fig. 3 is a schematic view of a magazine portion of a detachable structure in an embodiment of the present invention.
Reference numbers in the figures:
1-a base; 11-a first electric machine;
2-a barrel; 21-a first flow channel; 22-a first thread segment; 23-a second thread segment; 24-a one-way valve; 25-an exhaust duct; 26-a discharge port; 27-a first heating section;
3-a material storage part; 31-a third connector;
4-a nozzle; 41-a second flow channel; 42-a filter screen; 43-a second connector;
5-air cylinder; 51-a first connector;
6-a hopper; 61-a stirring chamber; 62-a second motor; 63-a stirring rod; 64-fan blades; 65-a feed conduit;
7-a filter section;
8-a second heating section; 81-heating coil.
Detailed Description
To facilitate an understanding of the present invention for those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Referring to fig. 1 to 3, the utility model provides a pair of an injection device for moulding plastics, including base 1, set up feed cylinder 2 on base 1, set up in feed cylinder 2 keep away from the storage portion 3 of base 1 one end, set up in storage portion 3 keep away from nozzle 4 of feed cylinder 2 one end, set up cylinder 5 on base 1, set up hopper 6 on feed cylinder 2. The charging barrel 2 is a cylinder, and the outer wall of the charging barrel 2 is sleeved with a first heating part 27. A first flow channel 21 is arranged in the charging barrel 2 along the length direction, and a first motor 11 is arranged at the position of the base 1 corresponding to the first flow channel 21. First motor 11 rotates towards the one end of feed cylinder 2 and is connected with the body of rod, and the body of rod extends to in the first runner 21, the part that the body of rod is close to first motor 11 is provided with first screw thread section 22, and the part that first motor 11 was kept away from to the body of rod is provided with second screw thread section 23, just the pitch of second screw thread section 23 is less than the pitch of first screw thread section 22. An exhaust pipeline 25 penetrating to the outer wall of the charging barrel 2 is arranged at the position, corresponding to the second threaded section 23, of the first flow channel 21, a one-way valve 24 is arranged at one end, away from the first threaded section 22, of the second threaded section 23, and a discharge opening 26 is arranged at one end, away from the second threaded section 23, of the one-way valve 24.
An opening is arranged on the outer wall of the charging barrel 2 corresponding to the first thread section 22, and a hopper 6 is arranged at one end with the opening facing upwards. Still be provided with filter 7 between hopper 6 and the feed cylinder 2, the position that the corresponding hopper 6 in filter 7 top is provided with corresponding entry, and filter 7 bottom is provided with corresponding export corresponding to the feed cylinder 2 position, is provided with the filter in the filter 7, is provided with the filtration pore of the great granule impurity in the filtration raw materials on the filter, filter and filtration pore are not shown in the drawing.
The outer wall of the charging barrel 2 at the right end of the one-way valve 24 is connected with a storage part 3, and one end, far away from the one-way valve 24, of the storage part 3 is provided with a nozzle 4. One end of the material storage part 3 corresponding to the one-way valve 24 and one end of the corresponding nozzle 4 are provided with corresponding openings. A second flow channel 41 is arranged in the nozzle 4 along the length direction, and a filter screen 42 for filtering impurities in the molten raw materials is further arranged at one end of the second flow channel 41 close to the material storage part 3. Still be provided with cylinder 5 on the outer base 1 of feed cylinder 2, the piston rod of cylinder 5 extends to nozzle 4 bottom, and the piston rod of cylinder 5 is connected with first connecting piece 51, and the one end that the piston rod was kept away from to first connecting piece 51 is connected with nozzle 4, makes cylinder 5 can drive nozzle 4 and remove about in storing portion 3. In this embodiment, the first heating part 27 generates heat through a resistor, and the filtering part 7 is a conventional one, and is specifically configured to be selectively used by a person skilled in the art according to the existing apparatus and specific needs.
A first motor 11 is arranged in the base 1, and the first motor 11 can drive the first thread section 22 and the second thread section 23 to rotate so as to convey raw materials entering the hopper 6 to a one-way valve 24. The raw material enters the material storage part 3 from the material outlet 26 after passing through the one-way valve 24, and the one-way valve 24 only allows the raw material to pass through in one direction, so that the raw material is prevented from flowing back. The outer wall of the charging barrel 2 is sleeved with a first heating part 27, and the first heating part 27 can generate heat and transmit the heat into the charging barrel 2 to heat the raw material in the charging barrel 2, so that the raw material is in a molten state in the conveying process of the charging barrel 2. After the raw material passes through the first thread section 22, moisture in the raw material is heated and vaporized and is wrapped by the raw material in a molten state, the screw pitch of the second thread section 23 is reduced, the flow rate of the raw material between the threads is reduced, the vaporized moisture cannot be completely wrapped by the raw material, the vaporized moisture can escape from the raw material and rise to an exhaust pipeline and is discharged from the exhaust pipeline, and the effect of removing the moisture is achieved. A vacuum exhaust system can be arranged outside the exhaust pipeline 25, so that the exhaust effect is improved.
The material storage portion 3 can supply the raw materials of molten state to store temporarily, can set up insulation material in the 3 outer walls of material storage portion and avoid the too fast cooling of raw materials in the material storage portion 3. The end of the storing part 3 far away from the charging barrel 2 is provided with a nozzle 4, and the raw material in a molten state can enter from a second flow passage 41 of the nozzle 4 and enter an injection mold from the end of the nozzle 4 far away from the storing part 3. The base 1 is further provided with an air cylinder 5, a piston rod of the air cylinder 5 drives the nozzle 4 through the first connecting piece 51, and the nozzle 4 can be driven by the air cylinder 5 to move left and right in the material storing part 3. When the nozzle 4 moves forward, the volume of the storing part 3 is increased, so that the storing part 3 can store more raw materials. When nozzle 4 moves left, the volume of storing portion 3 reduces, and the raw materials in storing portion 3 is extruded by nozzle 4, and check valve 24 prevents the raw materials backward flow in storing portion 3, impels molten state's raw materials to move towards filter screen 42 direction, and the raw materials gets into second runner 41 after filtering through filter screen 42, and the raw materials gets into injection mold from the one end that storing portion 3 was kept away from to second runner 41 during injection molding. The cylinder 5 drives the nozzle 4 to move leftwards, so that the raw material in the material storage part 3 is extruded, and then the raw material is extruded towards the filter screen 42, and the problem that the feeding speed of the nozzle 4 is slow due to the fact that the nozzle 4 is provided with the filter screen 42 can be avoided. When the air cylinder 5 moves rightwards, the filter screen 42 moves rightwards along with the nozzle 4, the volume of the material storage part 3 is increased, the movable space of the raw materials and the impurities is increased, the raw materials and the impurities move towards the vacant position of the material storage part 3, and the filter screen 42 is prevented from being blocked by the excessive impurities adhered to the filter screen 42. The filter screen 42 of the nozzle 4 can filter the residual impurities in the raw material in the molten state, thereby improving the purity of the raw material.
A filtering part 7 is arranged between the hopper 6 and the charging barrel 2, the raw material enters the filtering part 7 after being put into the hopper 6, filtering holes in the filtering part 7 can block larger particle impurities in the raw material, and the raw material enters a first flow channel 21 in the charging barrel 2 from the bottom of the filtering part 7 after being primarily filtered in the filtering part 7.
When the screw thread type electric wrench is used, the first motor 11 is started, and the first screw thread section 22 and the second screw thread section 23 are driven to rotate by the first motor 11. The raw materials are put in from the position of the hopper 6, the raw materials enter the filtering part 7 from the hopper 6, larger particle impurities in the raw materials are blocked by filtering holes in the filtering part 7, and the raw materials pass through the filtering holes, so that the raw materials are primarily filtered. The raw material is filtered by the filter unit 7 and then enters the first flow path 21. The raw material entering the first flow channel 21 is moved toward the second screw thread sections 23 by the rotating first screw thread sections 22, and the first heating section 27 transfers the generated heat into the first flow channel 21 through the outer wall of the barrel 2, so that the raw material is in a molten state during the transportation. When the raw material in the molten state enters the second thread section 23, moisture in the raw material is heated and vaporized and is wrapped by the raw material in the molten state, the thread pitch of the second thread section 23 is reduced, the flow rate of the raw material between the threads is reduced, the vaporized moisture cannot be completely wrapped by the raw material, and the vaporized moisture can escape from the raw material, rises to the exhaust pipeline and is discharged from the exhaust pipeline, so that the effect of removing the moisture is achieved. After the moisture of the raw material is removed, the second thread section 23 drives the raw material to move continuously towards the one-way valve 24, and the raw material passes through the one-way valve 24 and then enters the material storage part 3 from the discharge opening 26 of the material cylinder 2. The cylinder 5 drives the first connecting piece 51 to move right, so that the volume of the material storage part 3 is increased, and the material storage part 3 can store more raw materials. After storing certain raw materials in the storage portion 3, the cylinder 5 drives the first connecting piece 51 to drive the nozzle 4 to move left, so that the volume of the storage portion 3 is reduced, the raw materials in the storage portion 3 are extruded by the nozzle 4, the raw materials in a molten state are enabled to flow towards the filter screen 42, the raw materials enter the second flow channel 41 after being filtered by the filter screen 42, and the raw materials enter the injection mold from one end, away from the storage portion 3, of the second flow channel 41 during injection molding.
In one embodiment, a hollow stirring chamber 61 is arranged between the hopper 6 and the filtering part 7, a second motor 62 is arranged at the top of the stirring chamber 61, the second motor 62 is connected with a stirring rod 63 in a rotating manner at the downward end, the stirring rod 63 penetrates through the outer wall of the stirring chamber 61, and a corresponding opening is arranged at the bottom of the stirring chamber 61 corresponding to the position of the filtering part 7.
The second motor 62 in the stirring chamber 61 drives the stirring rod 63 to rotate, so that the raw materials entering from the hopper 6 can be prevented from being stuck and agglomerated to cause blockage, and the raw materials can be rapidly heated to a molten state after entering the charging barrel 2.
In one embodiment, the outer wall of the stirring rod 63 is provided with fan blades 64.
In one embodiment, the inner wall of the bottom of the stirring chamber 61 is inclined from the outside to the middle. The fan blades 64 are obliquely arranged upwards.
The inner wall of the bottom of the stirring chamber 61 is inclined from the outer side to the middle, the inclination angle is 30-60 degrees, so that the raw material entering the stirring chamber 61 can slide to the middle position of the stirring chamber 61 along the inclination angle, and the fan blades 64 are arranged to incline upwards, so that the fan blades 64 are close to the inner wall of the bottom of the stirring chamber 61.
In one embodiment, a feeding pipeline 65 is further arranged between the filtering part 7 and the charging barrel 2, the second heating part 8 is sleeved on the outer wall of the feeding pipeline 65, a heating coil 81 is arranged on the outer wall of the second heating part 8, the heating coil 81 generates heat to heat the raw material flowing out of the filtering part 7, so that the raw material is melted in advance, and the length required by the charging barrel 2 is reduced.
In one embodiment, the storing portion 3 is detachably connected to the one-way valve 24, the storing portion 3 includes two detachable third connecting members 31, and the two third connecting members 31 may be assembled by providing a buckle or other connecting means, so as to form the detachable storing portion 3.
By establishing the storage portion 3 and the check valve 24 as detachably connected and establishing the storage portion 3 as a detachable structure, it is possible to facilitate the operator to detach the storage portion 3 for cleaning.
In one embodiment, one end of the nozzle 4 close to the storing part 3 is detachably connected with a second connecting piece 43, the second connecting piece 43 is disc-shaped, a corresponding opening is arranged at the position of the second connecting piece 43 corresponding to the second flow channel 41, and the filter screen 42 is arranged at the opening position of the second connecting piece 43.
Through set up the second connecting piece 43 that can dismantle the connection in nozzle 4 one end to and set up filter screen 42 in second connecting piece 43 opening part, can unpack second connecting piece 43 and filter screen 42 together after taking apart storage portion 3, the operating personnel of being convenient for washs filter screen 42.
The utility model discloses a first screw thread section and the second screw thread section that set up the first motor drive body of rod are rotatory, make first screw thread section and second screw thread section can carry the raw materials to the check valve. Through setting up the check valve, prevent the raw materials backward flow, avoid the raw materials to be extrudeed backward flow to the feed cylinder in. By providing the exhaust duct at the location of the second threaded section, the vaporized moisture can be discharged from the exhaust duct. Through setting up the cylinder, the cylinder drive nozzle moves about, and the volume of storage portion increases when the nozzle moves right, makes storage portion can store more raw materials, and when the nozzle moved left, the volume of storage portion reduced, makes the raw materials pass from the filter screen department of nozzle to filter the raw materials of molten condition by the filter screen. Through set up the filter house between hopper and feed cylinder, improve the purity of raw materials.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Claims (7)
1. The injection device for injection molding is characterized by comprising a base (1), a material barrel (2) arranged on the base (1), a material storage part (3) arranged at one end, far away from the base (1), of the material barrel (2), a nozzle (4) arranged at one end, far away from the material barrel (2), of the material storage part (3), a cylinder (5) arranged on the base (1) and a hopper (6) arranged on the material barrel (2), wherein a first heating part (27) is sleeved on the outer wall of the material barrel (2), a first flow channel (21) is arranged in the material barrel (2), and a first motor (11) is arranged at a position, corresponding to the first flow channel (21), of the base (1); the first motor (11) is rotatably connected with a rod body towards one end of the charging barrel (2), a first threaded section (22) is arranged on the part of the rod body close to the first motor (11), a second threaded section (23) is arranged on the part of the rod body far away from the first motor (11), and the thread pitch of the second threaded section (23) is smaller than that of the first threaded section (22); an exhaust pipeline (25) penetrating through the outer wall of the charging barrel (2) is arranged at the position, corresponding to the second threaded section (23), of the first flow channel (21), a one-way valve (24) is arranged at one end, away from the first threaded section (22), of the second threaded section (23), and a discharge opening (26) is arranged at one end, away from the second threaded section (23), of the one-way valve (24); a hopper (6) is arranged at the position of the charging barrel (2) corresponding to the first threaded section (22), and a filtering part (7) is also arranged between the hopper (6) and the charging barrel (2); the outer wall of the charging barrel (2) at the right end of the one-way valve (24) is connected with a material storage part (3), one end, far away from the one-way valve (24), of the material storage part (3) is provided with a nozzle (4), a second flow channel (41) is arranged in the nozzle (4), and one end, close to the material storage part (3), of the second flow channel (41) is also provided with a filter screen (42); the base (1) is further provided with an air cylinder (5), a piston rod of the air cylinder (5) is connected with a first connecting piece (51), and one end, far away from the piston rod, of the first connecting piece (51) is connected with the nozzle (4).
2. The injection device as claimed in claim 1, wherein a stirring chamber (61) is arranged between the hopper (6) and the filtering part (7), a second motor (62) is arranged on the top of the stirring chamber (61), and a stirring rod (63) is rotatably connected to the downward end of the second motor (62).
3. An injection device according to claim 2, characterized in that the outer wall of the stirring rod (63) is provided with fan blades (64).
4. The injection device as set forth in claim 3, wherein the inner wall of the bottom of the stirring chamber (61) is inclined from the outside to the center, and the fan blades (64) are inclined upward.
5. The injection device according to claim 2, wherein a feeding pipeline (65) is further arranged between the filtering part (7) and the charging barrel (2), a second heating part (8) is sleeved on the outer wall of the feeding pipeline (65), and a heating coil (81) is arranged on the outer wall of the second heating part (8).
6. Injection device according to claim 1, wherein the magazine (3) is detachably connected to a one-way valve (24) and the magazine (3) comprises two third detachable connections (31).
7. An injection device for injection moulding according to claim 6, characterised in that a second coupling piece (43) is detachably connected to the end of the nozzle (4) close to the magazine (3), the sieve (42) being arranged in the second coupling piece (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807550.5U CN212920182U (en) | 2020-05-15 | 2020-05-15 | Injection device for injection molding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020807550.5U CN212920182U (en) | 2020-05-15 | 2020-05-15 | Injection device for injection molding |
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| CN212920182U true CN212920182U (en) | 2021-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400559A (en) * | 2021-04-26 | 2021-09-17 | 邹亚男 | Building rubbish recycling make-up machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400559A (en) * | 2021-04-26 | 2021-09-17 | 邹亚男 | Building rubbish recycling make-up machine |
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