CN213500492U - Cutting device for producing injection molding product capable of quickly purifying waste gas - Google Patents
Cutting device for producing injection molding product capable of quickly purifying waste gas Download PDFInfo
- Publication number
- CN213500492U CN213500492U CN202022488075.2U CN202022488075U CN213500492U CN 213500492 U CN213500492 U CN 213500492U CN 202022488075 U CN202022488075 U CN 202022488075U CN 213500492 U CN213500492 U CN 213500492U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cutting
- cutting device
- shaped
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a can be to cutting device for injection molding production of waste gas quick purification, can be to the cutting device for injection molding production of waste gas quick purification include the base, the case is handled to the top fixedly connected with of base, the top of handling the case is provided with cuts cut groove, handle one side fixedly connected with purifying box of the bottom of the inner wall of case, handle fixedly connected with U type frame between the both sides of case. The utility model provides a can be to the setting that the injection moulding production of waste gas rapid purification passes through adjusting part with cutting device, can adjust the angle of nozzle and suction nozzle, the staff of being convenient for carries out the regulation of angle according to the position of cutting, and through the setting of elasticity antiskid cover, the effectual stability that improves after nozzle and suction nozzle angle modulation, be convenient for handle produced sweeps and waste gas when cutting more comprehensively, avoid causing the pollution of environment, influence operational environment.
Description
Technical Field
The utility model relates to an injection moulding field especially relates to a can be to cutting device for injection moulding production of waste gas quick purification.
Background
The injection molding product is a product which is formed by heating, plasticizing and melting plastic by using an injection molding machine, then injecting the plastic into a cavity of a forming mold for forming, cooling, solidifying a melt and then demolding, and injecting the injection molding machine into the injection molding product, wherein the number of molds needed for producing the injection molding product is small; the labor required is relatively low; the production efficiency of the injection molding product is high; the waste of raw materials is little during injection molding; the design, manufacture and test cycle is long, and the production is slow; the start investment is large, so the method is not suitable for the production of small-batch plastic parts; the quality of the molded product is limited by various factors, so the technical requirement is high and the mastering difficulty is high.
Among the real life, injection moulding needs corresponding cutting device to cut injection moulding when producing, and adds man-hour to injection moulding cutting, can produce a large amount of sweeps and waste gas, however current cutting device can not be quick handle the produced waste gas sweeps of cutting to waste gas sweeps and waste gas seriously influence operational environment, be unfavorable for the permanent work of staff, reduced cutting device's practicality.
Therefore, there is a need to provide a cutting device for producing injection molding products, which can rapidly purify waste gas to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can be to the cutting device for injection molding production of waste gas rapid purification, solved the problem of handling the produced waste gas sweeps of cutting that can not be quick.
In order to solve the technical problem, the utility model provides a can be to cutting device for injection molding production of waste gas quick purification includes the base, the top fixedly connected with processing case of base, the top of processing case is provided with cuts the cut groove, one side fixedly connected with purifying box of the bottom of the inner wall of processing case, fixedly connected with U type frame between the both sides of processing case, sliding connection has the movable plate between the both sides of the inner wall of U type frame, the bottom fixedly connected with movable frame of movable plate, the top sliding connection of the inner wall of movable frame has the screw thread piece, the bottom of screw thread piece runs through the movable frame and extends to the bottom of movable frame, the one end fixedly connected with drive assembly that the screw thread piece extends to the bottom of movable frame, the drive end of drive assembly is provided with the cutting machine;
the cutting machine is characterized in that connecting plates are arranged on two sides of the cutting machine, adjusting components are arranged at the bottoms of the two connecting plates, a nozzle and an air suction nozzle are arranged at adjusting ends of the two adjusting components respectively, an air suction pump is arranged on one side of the U-shaped frame, an air suction port of the air suction pump is communicated with an air suction pipe, the other end of the air suction pipe is communicated with the inside of the air suction nozzle, a branch pipe is arranged on the air suction pipe, the other end of the branch pipe is communicated with the inside of the cutting groove, and an air outlet of the air suction pump is communicated with the inside of the;
through adjusting part's setting, can adjust the angle of nozzle and aspirator nozzle, the staff of being convenient for carries out the regulation of angle according to the position of cutting, and through the elasticity antiskid cover in the adjusting part, the effectual stability after nozzle and aspirator nozzle angle modulation that has improved, and through the regulation of nozzle and aspirator nozzle angle, be convenient for more comprehensive handle produced sweeps when cutting, and more comprehensive absorb produced waste gas when cutting, avoid causing the pollution of environment, influence operational environment, and through the setting of nozzle and branch pipe, can breathe in with the below of injection mold cutting position, improve the absorptive effect of waste gas, be convenient for follow-up preceding handle waste gas more.
Preferably, the other side of the U-shaped frame is fixedly connected with a water pump, and a water outlet of the water pump is communicated with the inside of the nozzle through a water outlet pipe.
Preferably, electric telescopic rods are arranged on two sides of the top of the moving plate, and the other ends of the two electric telescopic rods are fixed to the top of the inner wall of the U-shaped frame.
Preferably, a through hole is formed between the inside of the cutting groove and the inside of the treatment box, a V-shaped collection plate is arranged between two sides of the inner wall of the treatment box, the bottom of the V-shaped collection plate is communicated with the inside of the purification box through a through pipe, and a filter plate is fixedly connected between two sides of the inner wall of the V-shaped collection plate.
Preferably, the drive assembly includes U type piece, the top sliding connection of the inner wall of U type piece has the mounting bracket, the fixedly connected with action bars of mounting bracket, the one end of action bars runs through U type piece and extends to the front of U type piece.
Preferably, the adjusting part comprises a U-shaped groove, a rotating shaft is rotatably connected between two sides of the inner wall of the U-shaped groove, a driving block is fixedly connected to the outer surface of the rotating shaft, sleeves are sleeved on the outer surfaces of two ends of the rotating shaft, the outer surfaces of the sleeves are fixed to the top of the inner wall of the U-shaped groove through supporting frames, and the inner portions of the sleeves are provided with elastic anti-skidding sleeves.
Preferably, a screw rod is rotatably connected between two sides of the inner wall of the movable frame, and the outer surface of the screw rod is in threaded connection with the inner part of the thread block.
Compared with the prior art, the utility model provides a can have following beneficial effect to the cutting device is used in injection moulding production of waste gas rapid purification:
the utility model provides a can be to cutting device is used in injection moulding production of waste gas quick purification, setting through adjusting part, can adjust the angle of nozzle and suction nozzle, the staff of being convenient for carries out the regulation of angle according to the position of cutting, and through the setting of elasticity antiskid cover, the effectual stability that improves after nozzle and suction nozzle angle regulation, and through the regulation of nozzle and suction nozzle angle, be convenient for more comprehensive the sweeps that produce when cutting are handled, and more comprehensive absorb produced waste gas when cutting, avoid causing the pollution of environment, influence operational environment, and through the setting of nozzle and branch pipe, can breathe in the top and the below of injection mold cutting position, improve the absorptive effect of waste gas, be convenient for follow-up more preceding handle waste gas.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a cutting device for producing injection molding products, which can rapidly purify waste gas according to the present invention;
FIG. 2 is a side view of the drive assembly of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a side elevational view of the adjustment assembly of FIG. 1;
fig. 5 is a side view of the sleeve of fig. 1.
Reference numbers in the figures: 1. a base; 2. a treatment tank; 3. cutting the groove; 4. a purification box; 5. a U-shaped frame; 6. moving the plate; 7. a movable frame; 8. a thread block; 9. a drive assembly; 91. a U-shaped block; 92. a mounting frame; 93. an operating lever; 10. a cutter; 11. a connecting plate; 12. an adjustment assembly; 121. a U-shaped groove; 122. a rotating shaft; 123. a drive block; 124. a sleeve; 125. an elastic anti-slip sleeve; 13. a nozzle; 14. a suction nozzle; 15. a suction pump; 16. an air intake duct; 17. a branch pipe; 18. a water pump; 19. an electric telescopic rod; 20. a through hole; 21. a V-shaped collection plate; 22. a filter plate; 23. and a screw rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, in which fig. 1 is a schematic structural diagram of a preferred embodiment of a cutting device for producing injection molding products capable of rapidly purifying waste gas according to the present invention; FIG. 2 is a side view of the drive assembly of FIG. 1; FIG. 3 is an enlarged view of a portion of FIG. 1 at A; FIG. 4 is a side elevational view of the adjustment assembly of FIG. 1; fig. 5 is a side view of the sleeve of fig. 1. The cutting device capable of quickly purifying waste gas for producing the injection molding product comprises a base 1, wherein the top of the base 1 is fixedly connected with a processing box 2, the top of the processing box 2 is provided with a cutting groove 3, one side of the bottom of the inner wall of the processing box 2 is fixedly connected with a purifying box 4, a U-shaped frame 5 is fixedly connected between two sides of the processing box 2, a moving plate 6 is slidably connected between two sides of the inner wall of the U-shaped frame 5, the bottom of the moving plate 6 is fixedly connected with a moving frame 7, the top of the inner wall of the moving frame 7 is slidably connected with a thread block 8, the bottom of the thread block 8 penetrates through the moving frame 7 and extends to the bottom of the moving frame 7, one end, extending to the bottom of the moving frame 7, of the thread block 8 is fixedly connected with a driving assembly 9, and a driving end of the driving assembly 9;
the cutting machine is characterized in that connecting plates 11 are arranged on two sides of the cutting machine 10, adjusting components 12 are arranged at the bottoms of the two connecting plates 11, adjusting ends of the two adjusting components 12 are respectively provided with a nozzle 13 and a suction nozzle 14, a suction pump 15 is arranged on one side of the U-shaped frame 5, a suction port of the suction pump 15 is communicated with a suction pipe 16, the other end of the suction pipe 16 is communicated with the inside of the suction nozzle 14, a branch pipe 17 is arranged on the suction pipe 16, the other end of the branch pipe 17 is communicated with the inside of the cutting groove 3, and an air outlet of the suction pump 15 is communicated with the inside of the purifying box 4 through an air outlet pipe;
through the arrangement of the adjusting component 12, the angles of the nozzle 13 and the suction nozzle 14 can be adjusted, so that the angle of a worker can be conveniently adjusted according to the cutting position, the stability of the angle adjustment of the nozzle 13 and the suction nozzle 14 is effectively improved through the elastic anti-skidding sleeve 125 in the adjusting component 12, the angle adjustment of the nozzle 13 and the suction nozzle 14 is convenient to more comprehensively treat scraps generated during cutting, the waste gas generated during cutting is more comprehensively absorbed, the environmental pollution is avoided, the working environment is influenced, and through the arrangement of the nozzle 13 and the branch pipe 17, the suction can be performed above and below the cutting position of the injection mold, the waste gas absorption effect is improved, and the subsequent more front waste gas treatment is convenient;
set up control flap on branch pipe 17, breathing pipe 16 and outlet pipe all adopt flexible hose moreover, the motion around about being convenient for cutting machine 10, cutting machine 10 adopts the cutting device among the prior art moreover, and the inside of cutting groove 3 is provided with clamping part for press from both sides tightly injection moulding, purifying box 4 adopts prior art's waste gas waste water purifier, is used for carrying out purification treatment to waste water and waste gas.
The other side of the U-shaped frame 5 is fixedly connected with a water pump 18, and a water outlet of the water pump 18 is communicated with the inside of the nozzle 13 through a water outlet pipe;
the water suction port of the water pump 18 is connected with an external water supply position through a water suction pipe, an external water source is discharged to the nozzle 13 through the water pump 18, and the cutting position is sprayed with water through the nozzle 13 to be cooled and processed with waste scraps.
Two sides of the top of the moving plate 6 are provided with electric telescopic rods 19, and the other ends of the two electric telescopic rods 19 are fixed on the top of the inner wall of the U-shaped frame 5;
the electric telescopic rod 19 is connected with an external power supply and a control switch, and is used for driving the moving plate 6 to move up and down, so as to drive the cutting machine 10 to move up and down to perform cutting operation.
A through hole 20 is formed between the inside of the cutting groove 3 and the inside of the treatment box 2, a V-shaped collecting plate 21 is arranged between two sides of the inner wall of the treatment box 2, the bottom of the V-shaped collecting plate 21 is communicated with the inside of the purification box 4 through a through pipe, and a filter plate 22 is fixedly connected between two sides of the inner wall of the V-shaped collecting plate 21;
through the setting of V type collection board 21, can collect the water source that erodees to can carry out filtration treatment through filter 22, the water source enters into the inside of purifying box 4 through the siphunculus at last, handles.
The driving assembly 9 comprises a U-shaped block 91, a mounting frame 92 is slidably connected to the top of the inner wall of the U-shaped block 91, an operating rod 93 is fixedly connected to the mounting frame 92, and one end of the operating rod 93 penetrates through the U-shaped block 91 and extends to the front face of the U-shaped block 91;
through the setting of drive assembly 9, can drive cutting machine 10 seesaw, carry out cutting work, through manual to action bars 93 seesaw, just can drive mounting bracket 92 seesaw, and then drive cutting machine 10 seesaw.
The adjusting assembly 12 comprises a U-shaped groove 121, a rotating shaft 122 is rotatably connected between two sides of the inner wall of the U-shaped groove 121, a driving block 123 is fixedly connected to the outer surface of the rotating shaft 122, sleeves 124 are respectively sleeved on the outer surfaces of two ends of the rotating shaft 122, the outer surfaces of the two sleeves 124 are respectively fixed to the top of the inner wall of the U-shaped groove 121 through a supporting frame, and elastic anti-slip sleeves 125 are respectively arranged inside the two sleeves 124;
through the setting of adjusting part 12 for carry out angle modulation to nozzle 13 and suction nozzle 14, nozzle 13 and suction nozzle 14 angle modulation moreover are convenient for the not breathing in of different angles and the water spray, and nozzle 13 and suction nozzle 14 are connected with drive block 123.
A screw rod 23 is rotatably connected between two sides of the inner wall of the movable frame 7, and the outer surface of the screw rod 23 is in threaded connection with the inner part of the thread block 8;
the other end of the screw rod 23 penetrates through the movable frame 7 and extends to the outside of the movable frame 7, and the rotation of the screw rod 23 can drive the driving assembly 9 to move left and right, so that the cutting machine 10 can be driven to move left and right to perform cutting work at different positions.
The utility model provides a can be as follows to the theory of operation of cutting device for injection molding production of waste gas rapid purification:
the injection molding product to be cut is placed in the cutting groove 3, the movable plate 6 can be driven to move up and down by starting the electric telescopic rod 19, the cutting machine 10 is further driven to move up and down, the cutting blade of the cutting machine 10 is enabled to be in contact with the top of the injection molding product, the injection molding product can be cut by starting the cutting machine, and then the mounting frame 92 can be driven to move back and forth by manually moving the operating rod 93 back and forth, so that the cutting machine 10 is driven to move back and forth;
during cutting, a large amount of dust and waste gas are generated, an external water source can be absorbed and discharged to the nozzle 13 by starting the water pump 18, waste scraps generated during cutting are treated by the nozzle 13, the treated waste water enters the treatment box 2 through the through hole 20, is filtered by the filter plate and is discharged to the inside of the purification box 4 through the through pipe for treatment;
further, the suction pump 15 is started to suck the exhaust gas into the suction pipe 16 and the branch pipe 17, and further, the suction nozzle 16 and the cutting groove 3, the suction nozzle 14 can suck the exhaust gas at the upper position of the cutting position, and the suction nozzle can suck the exhaust gas in the cutting groove 3 to suck the exhaust gas at the lower position of the cutting position, and the exhaust gas is discharged into the clean box to be processed.
Compared with the prior art, the utility model provides a can have following beneficial effect to the cutting device is used in injection moulding production of waste gas rapid purification:
through adjusting part 12's setting, can adjust nozzle 13 and aspirator 14's angle, the staff of being convenient for carries out the regulation of angle according to the position of cutting, and through the setting of elasticity antiskid cover 125, the effectual stability that improves behind nozzle 13 and the aspirator 14 angle modulation, and through the regulation of nozzle 13 and aspirator 14 angle, be convenient for more comprehensive handle produced sweeps when cutting, and more comprehensive absorb produced waste gas when cutting, avoid causing the pollution of environment, influence operational environment, and through the setting of nozzle 13 and branch pipe 17, can breathe in with the below of injection mold cutting position, improve the absorptive effect of waste gas, be convenient for follow-up more preceding handle waste gas.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a can be to cutting device is used in injection moulding production of waste gas rapid purification, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a processing box (2), the top of the processing box (2) is provided with a cutting groove (3), one side of the bottom of the inner wall of the treatment box (2) is fixedly connected with a purification box (4), a U-shaped frame (5) is fixedly connected between the two sides of the treatment box (2), a moving plate (6) is connected between the two sides of the inner wall of the U-shaped frame (5) in a sliding way, the bottom of the moving plate (6) is fixedly connected with a movable frame (7), the top of the inner wall of the movable frame (7) is connected with a thread block (8) in a sliding way, the bottom of the thread block (8) penetrates through the movable frame (7) and extends to the bottom of the movable frame (7), one end, extending to the bottom of the movable frame (7), of the thread block (8) is fixedly connected with a driving assembly (9), and a cutting machine (10) is arranged at the driving end of the driving assembly (9);
the two sides of the cutting machine (10) are provided with connecting plates (11), two adjusting components (12) are arranged at the bottom of each connecting plate (11), two adjusting ends of the adjusting components (12) are provided with nozzles (13) and suction nozzles (14) respectively, a suction pump (15) is arranged on one side of the U-shaped frame (5), a suction port of the suction pump (15) is communicated with a suction pipe (16), the other end of the suction pipe (16) is communicated with the inside of the suction nozzles (14), a branch pipe (17) is arranged on the suction pipe (16), the other end of the branch pipe (17) is communicated with the inside of the cutting groove (3), and a gas outlet of the suction pump (15) is communicated with the inside of the purifying box (4) through a gas outlet pipe.
2. The cutting device for injection molding production capable of rapidly purifying exhaust gas according to claim 1, wherein a water pump (18) is fixedly connected to the other side of the U-shaped frame (5), and a water outlet of the water pump (18) is communicated with the inside of the nozzle (13) through a water outlet pipe.
3. The cutting device for injection molding production capable of rapidly purifying waste gas according to claim 1, wherein two sides of the top of the moving plate (6) are provided with electric telescopic rods (19), and the other ends of the two electric telescopic rods (19) are fixed on the top of the inner wall of the U-shaped frame (5).
4. The cutting device for producing injection molding products capable of rapidly purifying exhaust gas according to claim 1, wherein a through hole (20) is formed between the inside of the cutting groove (3) and the inside of the treatment box (2), a V-shaped collecting plate (21) is arranged between two sides of the inner wall of the treatment box (2), the bottom of the V-shaped collecting plate (21) is communicated with the inside of the purification box (4) through a through pipe, and a filter plate (22) is fixedly connected between two sides of the inner wall of the V-shaped collecting plate (21).
5. The cutting device for injection molding product production capable of rapidly purifying exhaust gas according to claim 1, wherein the driving assembly (9) comprises a U-shaped block (91), a mounting frame (92) is slidably connected to the top of the inner wall of the U-shaped block (91), an operating rod (93) is fixedly connected to the mounting frame (92), and one end of the operating rod (93) penetrates through the U-shaped block (91) and extends to the front face of the U-shaped block (91).
6. The cutting device for producing injection molding products capable of rapidly purifying waste gas as claimed in claim 1, wherein the adjusting assembly (12) comprises a U-shaped groove (121), a rotating shaft (122) is rotatably connected between two sides of the inner wall of the U-shaped groove (121), a driving block (123) is fixedly connected to the outer surface of the rotating shaft (122), sleeves (124) are sleeved on the outer surfaces of two ends of the rotating shaft (122), the outer surfaces of the two sleeves (124) are fixed to the top of the inner wall of the U-shaped groove (121) through supporting frames, and elastic anti-slip sleeves (125) are arranged inside the two sleeves (124).
7. The cutting device for injection molding product production capable of rapidly purifying exhaust gas according to claim 1, wherein a lead screw (23) is rotatably connected between two sides of the inner wall of the movable frame (7), and the outer surface of the lead screw (23) is in threaded connection with the inner part of the thread block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022488075.2U CN213500492U (en) | 2020-11-02 | 2020-11-02 | Cutting device for producing injection molding product capable of quickly purifying waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022488075.2U CN213500492U (en) | 2020-11-02 | 2020-11-02 | Cutting device for producing injection molding product capable of quickly purifying waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213500492U true CN213500492U (en) | 2021-06-22 |
Family
ID=76414569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022488075.2U Active CN213500492U (en) | 2020-11-02 | 2020-11-02 | Cutting device for producing injection molding product capable of quickly purifying waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213500492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663851A (en) * | 2021-08-18 | 2021-11-19 | 湖北缔阁森整体家居有限公司 | Household plate polishing, painting and dust removing system |
-
2020
- 2020-11-02 CN CN202022488075.2U patent/CN213500492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663851A (en) * | 2021-08-18 | 2021-11-19 | 湖北缔阁森整体家居有限公司 | Household plate polishing, painting and dust removing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213563966U (en) | Injection mold cleaning device | |
| CN207549346U (en) | A kind of automatic gas cutting machine of plastic inlet material | |
| CN211245865U (en) | Plastics tail gas recovery unit that moulds plastics | |
| CN203876136U (en) | Automotive upholstery cleaning device | |
| CN213500492U (en) | Cutting device for producing injection molding product capable of quickly purifying waste gas | |
| CN110696246A (en) | Production equipment for rubber products | |
| CN216373186U (en) | Automatic water gap shearing mechanism | |
| CN213260638U (en) | Injection molding product edge burr trimming device | |
| CN212578724U (en) | Vertical ultrahigh molecular weight polyethylene pipe cutting device | |
| CN215035377U (en) | Improved numerical control equipment for plastic mold production | |
| CN212764183U (en) | Double-screw extruder is used in resin production | |
| CN212331189U (en) | Plastic product cutting device | |
| CN216373187U (en) | Automatic drop feed mechanism of getting of injection molding | |
| CN212979004U (en) | Injection molding equipment | |
| CN220614759U (en) | Quick cooling type plastic injection molding device | |
| CN216919806U (en) | Device is tailor to cloth for gauze mask production | |
| CN219923957U (en) | Automatic inhale useless mould | |
| CN216182032U (en) | Automatic vulcanizing equipment for gas meter diaphragm | |
| CN217862618U (en) | Automatic shearing workbench for injection molding products | |
| CN219130069U (en) | Mould descaling machine | |
| CN219883022U (en) | Plastic part production waste recycling machine | |
| CN208992977U (en) | Portable electric generator outer casing mold | |
| CN217648493U (en) | Numerical control cutting machine is used in rubber production and processing | |
| CN218985186U (en) | Longitudinal cutting structure of concrete block | |
| CN211760634U (en) | Fan sprue removing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |