CN214872337U - Quick-replaceable fresh-keeping box cover mould - Google Patents
Quick-replaceable fresh-keeping box cover mould Download PDFInfo
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- CN214872337U CN214872337U CN202121131584.8U CN202121131584U CN214872337U CN 214872337 U CN214872337 U CN 214872337U CN 202121131584 U CN202121131584 U CN 202121131584U CN 214872337 U CN214872337 U CN 214872337U
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- 238000009434 installation Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 208000034656 Contusions Diseases 0.000 abstract 1
- 208000034526 bruise Diseases 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a but fresh-keeping lid mould of quick exchange relates to the fresh-keeping box mould technical field of house. This fresh-keeping lid mould that can exchange fast, including preceding die carrier, back die carrier, preceding die carrier sliding connection is in back die carrier top, preceding die carrier comprises cover half bottom plate, cover half backing plate, cover half fixed plate according to from the top down order fixed connection in proper order, back die carrier comprises movable mould fixed plate, movable mould bottom plate according to from top to bottom order fixed connection, the outer guide pin bushing of movable mould fixed plate inner wall fixedly connected with, the utility model discloses, when needs change the product, only need loosen the fixed screw on first mould benevolence, second mould benevolence, take out and can change, the retooling is efficient, and preceding die carrier and back die carrier reuse have practiced thrift manufacturing cost greatly, and first inclined plane, second inclined plane, third inclined plane, fourth inclined plane of setting make when changing first mould benevolence, second mould benevolence, the installation possesses the guidance nature, can not skew or cause the bruise.
Description
Technical Field
The utility model relates to a preservation box mould technical field specifically is the preservation box cover mould that can exchange fast.
Background
In the prior fresh-keeping box industry, the appearance and the shape of a box cover are changed, the size of the box cover cannot be changed, and the specification and the model of a glass bowl are unified, so that a mold designed to be quickly exchanged has enough advantages, and the cost for opening the mold and the efficiency in use can be reduced.
The preservation box industry all uses the preservation box of general model, and the capacity all has the standard, and big size, medium size, small size, for example: a middle mold and a preservation box with flower patterns are used as molds, another mold is opened again when the preservation box with the shape of grass is replaced, a mold frame cannot be used permanently, and when the model of a product is replaced, the whole mold needs to be detached and replaced with a new mold, so that the cost is wasted, and the mold replacement efficiency is low.
Therefore, the utility model provides a but quick interchange's fresh-keeping lid mould has realized the purpose that can quick replacement, has solved the problem that prior art die carrier can not used repeatedly, the mould is demolishd more extravagant cost and retooling inefficiency.
Disclosure of Invention
Technical problem to be solved
Not enough to prior art, the utility model provides a fresh-keeping lid mould that can exchange fast has solved the problem that prior art die carrier can not used repeatedly, the mould demolishs more extravagant cost and retooling inefficiency.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the rapidly interchangeable preservation box cover mold comprises a front mold frame and a rear mold frame, wherein the front mold frame is connected above the rear mold frame in a sliding manner, the front mold frame is formed by fixedly connecting a fixed mold bottom plate, a fixed mold base plate and a fixed mold fixing plate in sequence from top to bottom, the rear mold frame is formed by fixedly connecting a movable mold fixing plate and a movable mold bottom plate in sequence from top to bottom, the inner wall of the movable mold fixing plate is fixedly connected with an outer guide sleeve, the outer guide sleeve is arranged on the inner wall of the movable mold fixing plate and distributed at four corners, the inner wall of the fixed mold bottom plate is fixedly connected with outer guide pillars, the outer wall of one end, away from the fixed mold bottom plate, of each outer guide pillar sequentially penetrates through the fixed mold base plate and the fixed mold fixing plate to the inner side of the outer guide sleeve, the outer guide pillars are connected with the outer guide sleeve in a sliding manner, the front mold frame and the rear mold frame are connected in a sliding manner through the outer guide pillars and the outer guide sleeve, the inner wall of the fixed mold bottom plate is fixedly connected with a positioning ring, the positioning ring is fixedly arranged on the inner wall of the fixed mold bottom plate and arranged at the middle position, the utility model discloses a garbage can, including movable mould fixed plate, push rod, front die frame, back die core, the movable mould fixed plate inboard is provided with the slide opening, the inboard fixedly connected with rubbish nail of movable mould fixed plate, rubbish nail sets up at movable mould fixed plate inboard and is located the slide opening inboard lower wall, movable mould fixed plate, movable mould bottom plate inner wall all are provided with the push rod via hole, and are two sets of the push rod via hole link up, the inboard fixedly connected with front die core of front die frame, the inboard fixedly connected with back die core of back die, be provided with the product shaping chamber between front die core, the back die frame inboard is provided with and pushes away the material subassembly, it sets up at the slide opening inboard to push away the material subassembly.
Preferably, the front mold core comprises two sets of second mold cores, the two sets of second mold cores are fixedly connected to the bottom of the fixed mold plate, the bottom of the fixed mold plate is provided with an installation sinking groove, and the two sets of second mold cores are fixedly connected to the inner side of the installation sinking groove.
Preferably, the rear mold core comprises two first mold cores, the first mold cores are fixedly connected to the top of the movable mold fixing plate, an installation step is arranged on the top of the movable mold fixing plate, the installation step is arranged at the joint of the top of the movable mold fixing plate and the side wall of the sliding hole, and the first mold cores are fixedly connected to the inner side of the installation step.
Preferably, two sets of first mould benevolence lateral wall just is close to lower surface department and is provided with first inclined plane, installation step lateral wall just is close movable mould fixed plate upper surface position and is provided with the second inclined plane, and two sets of second mould benevolence lateral wall just is close to upper surface department and is provided with the fourth inclined plane, installation heavy groove lateral wall just is close to cover half fixed plate lower surface department and is provided with the third inclined plane.
Preferably, the product forming cavity comprises a first cavity surface and a second cavity surface, the first cavity surface is arranged on one side of the first cavity core, which is far away from the fixed plate of the moving die, the second cavity surface is arranged on one side of the second cavity core, which is far away from the fixed plate of the fixed die, and the first cavity surface and the second cavity surface are combined to form the product forming cavity.
Preferably, the material pushing assembly comprises a back plate, a movable clamping plate, a pushing plate, an ejector rod, a spring and a support column, the back plate is fixedly connected to the inner side of the sliding hole, the back plate is arranged on the inner side of the sliding hole and close to one side of the first die core, the movable clamping plate and the pushing plate are connected to the inner side of the sliding hole in a sliding mode, a push plate guide column is fixedly connected to the lower surface of the back plate, inner guide column holes are formed in the inner walls of the movable clamping plate and the pushing plate, the outer wall of the push plate guide column is connected with the two groups of inner guide column holes in a sliding mode, and the movable clamping plate and the pushing plate are connected with the back plate in a sliding mode through the inner guide column holes and the push plate guide column.
Preferably, spring, support column all set up between moving splint, backplate, spring, support column evenly distributed move between splint, backplate, it is provided with the mounting hole to move splint one side towards the backplate, the spring setting is inboard at the mounting hole.
Preferably, the ejector rod is fixedly connected to the inner side of the movable clamping plate, the inner wall of the movable clamping plate is provided with an ejector fixing hole, and the outer wall of one end, far away from the movable clamping plate, of the ejector rod sequentially penetrates through the back plate and the first mold core to the inner side of the product forming cavity.
The working principle is as follows: the die is loaded into a machine tool and fixed through a movable die bottom plate and a fixed die bottom plate, a rear die frame is driven to move through a machine tool hydraulic system, during machining, the front die frame and the rear die frame are in a die closing state, heated materials are positioned and injected through an injection nozzle and a positioning ring in a matched mode, the heated materials enter a product forming cavity along a flow channel in the front die frame to form a product, the front die frame and the rear die frame are subjected to die separation after the product is shaped, the product is arranged on the inner side of a first die core, when the machine tool hydraulic system returns to a starting point, a stripper plate is extruded through a stripper rod, the stripper plate is further extruded through the stripper plate to drive the stripper plate and an ejector rod to push the product out of the first die core, when the product needs to be replaced, only fixing screws on the first die core and a second die core need to be loosened, the first die core and the second die core are taken out through the stripper plate, and the first inclined plane, the second inclined plane and the third inclined plane are arranged, The fourth inclined plane ensures that the installation has guidance when the first mold core and the second mold core are replaced, and the first mold core and the second mold core cannot deviate or cause collision damage.
(III) advantageous effects
The utility model provides a but quick interchange's fresh-keeping lid mould. The method has the following beneficial effects:
1. the first die core and the second die core are arranged, when a product needs to be replaced, only fixing screws on the first die core and the second die core need to be loosened, the first die core and the second die core are taken out through the puller, and therefore the die replacement efficiency is high.
2. The front die frame and the rear die frame can be used as universal parts to match with front die cores and rear die cores of different product types, and can be repeatedly used, so that the manufacturing cost is greatly saved.
3. The first inclined plane, the second inclined plane, the third inclined plane and the fourth inclined plane are arranged, so that the installation has guidance when the first mold core and the second mold core are replaced, and the first mold core and the second mold core are not deviated or damaged by collision.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the overall structure of the present invention;
FIG. 3 is an enlarged view of FIG. 2-A according to the present invention;
FIG. 4 is an enlarged view of FIG. 2-B according to the present invention;
FIG. 5 is a schematic structural view of the movable mold fixing plate of the present invention;
FIG. 6 is a schematic view of the structure of the fixed mold plate of the present invention;
FIG. 7 is a schematic view of a first mold insert according to the present invention;
FIG. 8 is a schematic view of a second mold insert according to the present invention;
fig. 9 is a sectional view of the movable clamp plate structure of the present invention.
Wherein, 1, moving die bottom plate; 2. a movable mold fixing plate; 3. fixing a die fixing plate; 4. fixing a die base plate; 5. a fixed die bottom plate; 6. an outer guide sleeve; 7. an outer guide post; 8. a first mold core; 9. a second mold core; 10. positioning rings; 11. a back plate; 12. a movable clamping plate; 13. a stripper plate; 14. a push plate guide post; 15. a top rod; 16. a garbage nail; 17. a spring; 18. a material pushing rod is provided with a through hole; 19. a first inclined plane; 20. a second inclined plane; 21. a third inclined plane; 22. a fourth slope; 23. mounting a step; 24. a slide hole; 25. installing a sink tank; 26. a first cavity surface; 27. a second cavity surface; 28. ejecting a fixing hole; 29. an inner guide post hole; 30. mounting holes; 31. and (4) a support column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
as shown in figures 1-9, the embodiment of the utility model provides a but quick interchange's fresh-keeping lid mould, including preceding die carrier, back die carrier, preceding die carrier sliding connection is in back die carrier top, preceding die carrier is by cover half bottom plate 5, cover half backing plate 4, cover half fixed plate 3 is according to from the top down in proper order fixed connection and constitutes, back die carrier is by movable mould fixed plate 2, movable mould bottom plate 1 is according to from top down in proper order fixed connection and constitutes, movable mould fixed plate 2 inner wall fixedly connected with outer guide pin bushing 6, outer guide pin bushing 6 sets up at movable mould fixed plate 2 inner wall and distributes in the four corners, cover half bottom plate 5 inner wall fixedly connected with outer guide pillar 7, the one end outer wall that outer guide pillar 7 kept away from cover half bottom plate 5 passes cover half backing plate 4 in proper order, cover half fixed plate 3 to outer guide pin bushing 6 inboard, outer guide pillar 7 and outer guide pin bushing 6 sliding connection, preceding die carrier, back die carrier is through outer guide pillar 7, Outer guide pin bushing 6 sliding connection, 5 inner wall fixedly connected with position circle 10 of cover half bottom plate, position circle 10 is fixed to be set up at 5 inner walls of cover half bottom plate and position placed in the middle, 2 inboard of movable mould fixed plate are provided with slide opening 24, 2 inboard fixedly connected with rubbish nails 16 of movable mould fixed plate, rubbish nails 16 sets up 2 inboard and lie in the inboard lower wall of slide opening 24 at the movable mould fixed plate, movable mould fixed plate 2, 1 inner wall of movable mould bottom plate all is provided with ejector pin via hole 18, two sets of ejector pin via holes 18 link up, the inboard fixedly connected with front mould core of preceding die carrier, the inboard fixedly connected with back mould core of back mould, preceding die core, be provided with the product shaping chamber between the back mould core, back die carrier inboard is provided with pushes away the material subassembly, it sets up inboard at slide opening 24 to push away the material subassembly.
The front mold core comprises two groups of second mold cores 9, the two groups of second mold cores 9 are fixedly connected to the bottom of the fixed mold fixing plate 3, the bottom of the fixed mold fixing plate 3 is provided with an installation sinking groove 25, and the two groups of second mold cores 9 are fixedly connected to the side wall of the installation sinking groove 25 on the inner side of the installation sinking groove 25 to position the second mold cores 9.
The back mould core includes two sets of first mould benevolence 8, and 8 fixed connection in two sets of first mould benevolence are at 2 tops of movable mould fixed plate, and 2 tops of movable mould fixed plate are provided with installation step 23, and installation step 23 sets up in 2 tops of movable mould fixed plate and 24 lateral walls handing-over departments of slide opening, and two sets of first mould benevolence 8 fixed connection are inboard at installation step 23, and installation step 23 lateral wall plays the effect to 8 location in first mould benevolence.
Two sets of first mould benevolence 8 lateral walls and be close to lower surface department and be provided with first inclined plane 19, installation step 23 lateral wall and be close to 2 upper surface positions of movable mould fixed plate and be provided with second inclined plane 20, two sets of second mould benevolence 9 lateral walls and be close to upper surface department and be provided with fourth inclined plane 22, the heavy groove 25 lateral wall of installation just is close to 3 lower surface departments of cover half fixed plate and is provided with third inclined plane 21, set up multiunit inclined plane, change the product model and before the mold core is traded, when the back mold core, the inclined plane plays the guide effect, avoid bumping.
The product molding cavity comprises a first cavity surface 26 and a second cavity surface 27, the first cavity surface 26 is arranged on one side of the first mold core 8 far away from the movable mold fixing plate 2, the second cavity surface 27 is arranged on one side of the second mold core 9 far away from the fixed mold fixing plate 3, and the first cavity surface 26 and the second cavity surface 27 are combined to form the product molding cavity.
The material pushing assembly comprises a back plate 11, a movable clamping plate 12, a pushing plate 13, an ejector rod 15, a spring 17, a supporting column 31, the back plate 11 is fixedly connected to the inner side of a sliding hole 24, the back plate 11 is arranged on the inner side of the sliding hole 24 and close to one side of a first mold core 8, the movable clamping plate 12, the pushing plate 13 is connected to the inner side of the sliding hole 24 in a sliding mode, a push plate guide pillar 14 is fixedly connected to the lower surface of the back plate 11, the movable clamping plate 12 and the inner wall of the pushing plate 13 are provided with inner guide pillar holes 29, the outer wall of the push plate guide pillar 14 is connected with the two groups of inner guide pillar holes 29 in a sliding mode, the movable clamping plate 12 and the pushing plate 13 are connected with the back plate 11 in a sliding mode through the inner guide pillar holes 29, the push plate guide pillar 14 is arranged in the material pushing assembly, the guiding and stabilizing effect is achieved, and the situation that the material pushing assembly is blocked in work to cause smooth material returning is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Quick interchangeable fresh-keeping lid mould, including preceding die carrier, back die carrier, preceding die carrier sliding connection is in back die carrier top, its characterized in that: the front die carrier is formed by fixedly connecting a fixed die base plate (5), a fixed die base plate (4) and a fixed die fixing plate (3) in sequence from top to bottom, the rear die carrier is formed by fixedly connecting a movable die fixing plate (2) and a movable die base plate (1) in sequence from top to bottom, the inner wall of the movable die fixing plate (2) is fixedly connected with outer guide sleeves (6), the outer guide sleeves (6) are arranged on the inner wall of the movable die fixing plate (2) and distributed at four corners, outer guide posts (7) are fixedly connected with the inner wall of the fixed die base plate (5), the outer wall of one end, far away from the fixed die base plate (5), of each outer guide post (7) sequentially penetrates through the fixed die base plate (4) and the fixed die fixing plate (3) to the inner side of each outer guide sleeve (6), the outer guide posts (7) are connected with the outer guide sleeves (6) in a sliding manner, and the front die carrier and the rear die carrier are connected with the outer guide sleeves (6) in a sliding manner through the outer guide posts (7), the inner wall of the fixed die bottom plate (5) is fixedly connected with a positioning ring (10), the positioning ring (10) is fixedly arranged on the inner wall of the fixed die bottom plate (5) and at the central position, the inner side of the movable mold fixing plate (2) is provided with a sliding hole (24), the inner side of the movable mold fixing plate (2) is fixedly connected with a garbage nail (16), the garbage nails (16) are arranged on the inner side of the movable mould fixing plate (2) and are positioned on the inner lower wall of the sliding holes (24), the inner walls of the movable mould fixing plate (2) and the movable mould base plate (1) are respectively provided with a material pushing rod through hole (18), the two groups of material pushing rod through holes (18) are communicated, the inner side of the front mould frame is fixedly connected with a front mould core, the inner side of the rear mould is fixedly connected with a rear mould core, a product forming cavity is arranged between the front mold core and the rear mold core, a material pushing assembly is arranged on the inner side of the rear mold frame, and the material pushing assembly is arranged on the inner side of the sliding hole (24).
2. The rapidly interchangeable fresh food container lid mold of claim 1, wherein: the front mold core comprises two sets of second mold cores (9) which are fixedly connected to the bottom of the fixed mold fixing plate (3), the bottom of the fixed mold fixing plate (3) is provided with an installation sinking groove (25), and the second mold cores (9) are fixedly connected to the inner side of the installation sinking groove (25).
3. The rapidly interchangeable fresh food container lid mold of claim 2, wherein: the back mold core includes two sets of first benevolence (8), and is two sets of first benevolence (8) fixed connection is at movable mould fixed plate (2) top, movable mould fixed plate (2) top is provided with installation step (23), installation step (23) set up in movable mould fixed plate (2) top and sliding hole (24) lateral wall handing-over department, and are two sets of first benevolence (8) fixed connection is inboard in installation step (23).
4. The rapidly interchangeable fresh food container lid mold of claim 3, wherein: two sets of first mould benevolence (8) lateral wall just is close to lower surface department and is provided with first inclined plane (19), installation step (23) lateral wall just is close movable mould fixed plate (2) upper surface position and is provided with second inclined plane (20), and two sets of second mould benevolence (9) lateral wall just is close to upper surface department and is provided with fourth inclined plane (22), installation heavy groove (25) lateral wall just is close to cover half fixed plate (3) lower surface department and is provided with third inclined plane (21).
5. The rapidly interchangeable fresh food container lid mold of claim 4, wherein: the product molding cavity comprises a first cavity surface (26) and a second cavity surface (27), wherein the first cavity surface (26) is arranged on one side, away from the movable mold fixing plate (2), of the first mold core (8), the second cavity surface (27) is arranged on one side, away from the fixed mold fixing plate (3), of the second mold core (9), and the first cavity surface (26) and the second cavity surface (27) are combined to form the product molding cavity.
6. The rapidly interchangeable fresh food container lid mold of claim 5, wherein: the material pushing assembly comprises a back plate (11), a movable clamping plate (12), a pushing plate (13), an ejector rod (15), a spring (17) and a support column (31), wherein the back plate (11) is fixedly connected to the inner side of a sliding hole (24), the back plate (11) is arranged on the inner side of the sliding hole (24) and close to one side of a first mold core (8), the movable clamping plate (12) and the pushing plate (13) are connected to the inner side of the sliding hole (24) in a sliding mode, a push plate guide pillar (14) is fixedly connected to the lower surface of the back plate (11), inner guide pillar holes (29) are formed in the inner walls of the movable clamping plate (12) and the pushing plate (13), the outer wall of the push plate guide pillar (14) is connected with the two groups of inner guide pillar holes (29) in a sliding mode, and the movable clamping plate (12) and the pushing plate (13) are connected with the back plate (11) in a sliding mode through the inner guide pillar holes (29) and the push plate guide pillar (14).
7. The rapidly interchangeable fresh food container lid mold of claim 6, wherein: spring (17), support column (31) all set up and move between splint (12), backplate (11), spring (17), support column (31) are moving evenly distributed between splint (12), backplate (11), it is provided with mounting hole (30) to move splint (12) one side towards backplate (11), spring (17) set up at mounting hole (30) inboardly.
8. The rapidly interchangeable fresh food container lid mold of claim 7, wherein: ejector pin (15) fixed connection is inboard at movable splint (12), it is provided with liftout fixed orifices (28) to move splint (12) inner wall, the one end outer wall that moves splint (12) is kept away from in ejector pin (15) runs through backplate (11), first mould benevolence (8) to the product shaping intracavity side in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121131584.8U CN214872337U (en) | 2021-05-25 | 2021-05-25 | Quick-replaceable fresh-keeping box cover mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121131584.8U CN214872337U (en) | 2021-05-25 | 2021-05-25 | Quick-replaceable fresh-keeping box cover mould |
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| Publication Number | Publication Date |
|---|---|
| CN214872337U true CN214872337U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121131584.8U Active CN214872337U (en) | 2021-05-25 | 2021-05-25 | Quick-replaceable fresh-keeping box cover mould |
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| CN (1) | CN214872337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276354A (en) * | 2021-05-25 | 2021-08-20 | 苏州金饭碗塑料科技有限公司 | Quick-replaceable fresh-keeping box cover mould |
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2021
- 2021-05-25 CN CN202121131584.8U patent/CN214872337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276354A (en) * | 2021-05-25 | 2021-08-20 | 苏州金饭碗塑料科技有限公司 | Quick-replaceable fresh-keeping box cover mould |
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Address after: 215000, First and Second Floors of Comprehensive Building, No. 393 Fuping Road, Pingwang Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Golden Rice Bowl New Material Technology Co.,Ltd. Country or region after: China Address before: 215000 No. 88, Yanbang Road, Tongxing village, Tongli Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou jinfanwan Plastic Technology Co.,Ltd. Country or region before: China |