CN114789486A - Hot press is used in production of environment-friendly ecological plate - Google Patents
Hot press is used in production of environment-friendly ecological plate Download PDFInfo
- Publication number
- CN114789486A CN114789486A CN202210384978.7A CN202210384978A CN114789486A CN 114789486 A CN114789486 A CN 114789486A CN 202210384978 A CN202210384978 A CN 202210384978A CN 114789486 A CN114789486 A CN 114789486A
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- hot press
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- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000003825 pressing Methods 0.000 claims abstract description 87
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
- B27D1/083—Presses specially designed for making the manufacture of shaped plywood articles
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a hot press for producing an environment-friendly ecological plate, which comprises: the upper end of the base is fixedly welded with two groups of stand columns, and the upper ends of the stand columns are fixedly welded with a top plate; the pressing component is arranged on the top plate, the output end of the pressing component penetrates through the top plate and is fixedly provided with a template fixing component, and a pressing template is arranged on the template fixing component; a pressing depth limiting mechanism arranged on the pressing template, wherein one end of the pressing depth limiting mechanism penetrates through the top plate and is positioned above the top plate; the workbench is sleeved on the upright post in a sliding manner and is locked and fixed with the upright post through a locking pin; install the spacing subassembly of removal on the workstation. According to the invention, through the design of the anti-clamping plate component, the fracture of the furniture plate from the pressing part caused by lifting the furniture plate when the template is lifted can be effectively avoided, and moreover, through the design of the pressing depth limiting mechanism, the pressing depth of the model can be accurately controlled, and the fracture of the pressing part caused by over-deep pressing of the pressing template can be avoided.
Description
Technical Field
The invention relates to the technical field of production of environment-friendly ecological plates, in particular to a hot press for producing environment-friendly ecological plates.
Background
The hot press, also called hot press, is used to press furniture plates, wooden doors, various plates, and leveling and shaping of furniture, so as to make the adhesion between the plates firmer and the pressure strong.
With the development of science and technology, pressing a model on a clamp plate is popular, and the process is that a pressing template with the model is arranged on a hot press, and the model is formed on the clamp plate after pressing;
however, after the furniture plates are pressed together by the existing hot press, the furniture plates can be taken up when the template rises, which easily causes the pressed furniture plates to be broken from the pressing part due to uneven stress, and therefore, the hot press for producing the environment-friendly ecological plate needs to be provided.
Disclosure of Invention
The invention aims to provide a hot press for producing an environment-friendly ecological plate, which can effectively avoid the fracture of a furniture plate from a pressing part caused by lifting the furniture plate when a template is lifted through the design of an anti-clamping plate component, and can accurately control the pressing depth of a model through the design of a pressing depth limiting mechanism, so as to avoid the fracture of the pressing part caused by over-deep pressing of the pressing template, thereby solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hot press is used in production of environment-friendly ecological plate, includes:
the upper end of the base is fixedly welded with two groups of stand columns, and the upper end of each stand column is fixedly welded with a top plate;
the pressing component is arranged on the top plate, the output end of the pressing component penetrates through the top plate and is fixedly provided with a template fixing component, and a pressing template is arranged on the template fixing component;
a pressing depth limiting mechanism arranged on the pressing template, wherein one end of the pressing depth limiting mechanism penetrates through the top plate and is positioned above the top plate;
the workbench is sleeved on the upright post in a sliding mode, and the workbench is locked and fixed with the upright post through a locking pin;
install in the spacing subassembly of removal on the workstation, electric putter is installed to the upper end of base, the one end of electric putter piston rod is fixed with first stopper.
Preferably, the pressing assembly includes:
the lower end of the protective shell is fixedly welded with a plurality of groups of supporting columns, and one ends of the supporting columns are fixedly welded at the upper end of the top plate;
the electric cylinder is installed inside the protective shell, a supporting frame is fixedly installed on the inner side wall of the protective shell, the electric cylinder is installed at one end of the supporting frame, a through hole is formed in the top plate, and an output shaft of the electric cylinder penetrates through the through hole and is fixed to the upper surface of the template fixing component.
Preferably, the formwork securing assembly comprises:
the cross section of the fixed frame is in a concave shape, the pressing template is inserted in the fixed frame in a sliding mode, and the pressing end face of the pressing template is located below the fixed frame;
a form fastener mounted to the fixed frame, the form fastener comprising:
the fixing frame is provided with a threaded hole, the screw is installed in the threaded hole, one end of the screw is rotatably connected with a touch block through a rotating bearing, and the touch block touches the lower surface of the pressing template.
Preferably, the pressing depth limiting mechanism comprises:
the top plate is provided with a through hole, one end of the stud penetrates through the through hole and is positioned above the top plate, and the other end of the stud is fixedly welded on the upper surface of the fixed frame;
the screw thread is installed on the limiting block on the stud, and the limiting block is located above the top plate.
Preferably, the workstation on seted up with the through-hole that the stand corresponds, the stand is located the inside of through-hole, the via hole has been seted up on the through-hole lateral wall, equidistant a plurality of groups blind hole of having seted up on the stand, the one end of fitting pin runs through the hole joint and is fixed in inside the blind hole.
Preferably, the movement limiting assembly comprises:
the upper end of the workbench is provided with a groove, the electric sliding table is installed in the groove, a second limiting block is installed on a sliding platform of the electric sliding table, and the second limiting block is located at the upper end of the workbench.
Preferably, the upper end of workstation just is located remove spacing subassembly's both sides and be provided with the anti-sticking board subassembly respectively, the anti-sticking board subassembly includes:
the cross section of the clamping block is L-shaped, and the clamping block is welded and fixed with the upper surface of the workbench;
the elastic columns are arranged at the top in the clamping block at equal intervals;
and the pressing plate is arranged at the lower end of the elastic column.
Preferably, the pressure strip is an elastic rubber pressure strip, and arc-shaped guide edges are arranged on two sides of the pressure strip.
Preferably, the elastic column includes:
hollow post, grafting post, compression spring and stopper, the grafting post slide peg graft in the inside of hollow post, the one end of hollow post is fixed in the interior top of joint piece, the stopper is fixed in the grafting post is located the inside one end of hollow post, compression spring sets up top in the hollow post with between the stopper.
In summary, due to the adoption of the technology, the invention has the beneficial effects that:
according to the invention, through the design of the anti-clamping plate component, the breakage of the furniture plate from the pressing part caused by lifting the furniture plate when the template is lifted can be effectively avoided, and moreover, through the design of the pressing depth limiting mechanism, the pressing depth of the model can be accurately controlled, and the breakage of the pressing part caused by over-deep pressing of the pressing template can be avoided;
on the basis of the beneficial effects, the template fixing assembly is designed, the template fastener is adopted to fix the template, and the fixing frame with the concave-shaped cross section is adopted to support the pressing template, so that the pressing template is convenient to assemble and disassemble, and the pressing template is convenient to replace according to different modeling requirements;
on the basis of the beneficial effects, the workbench is locked and fixed with the upright post through the locking pin, and the upright post is provided with a plurality of groups of blind holes at equal intervals, so that when the hot press is used, the horizontal height of the workbench can be adjusted according to the actual thickness of the pressing plate, and the application range of the hot press is enlarged;
on the basis of the beneficial effects, the movable limiting assembly is designed, and the first limiting block which is arranged on the base and is used for lifting adjustment through the electric push rod is matched, so that the plate to be pressed can be limited and fixed from the side surface of the plate, and the modeling position can not deviate after the plate is hot-pressed.
Drawings
FIG. 1 is a schematic view of the construction of a hot press for the production of an eco-friendly panel according to the present invention;
FIG. 2 is a schematic structural view of a form retaining assembly of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
FIG. 4 is a schematic view of the structure of the work table of the present invention;
FIG. 5 is a schematic view of the anti-seize assembly of the present invention;
FIG. 6 is a schematic view of the structure of the elastic column of the present invention.
In the figure: 1. a base; 2. a column; 3. a top plate; 4. a work table; 5. a locking pin; 6. pressing the components; 7. a template fixing component; 8. pressing the template; 9. moving the limiting assembly; 10. an electric push rod; 11. a first stopper; 12. pressing a depth limiting mechanism; 14. a protective housing; 15. a support pillar; 16. an electric cylinder; 17. a support frame; 18. a fixed frame; 19. a template fastener; 20. a screw; 21. a contact block; 22. a stud; 23. a limiting block; 24. a through hole; 25. a via hole; 26. blind holes; 27. an electric sliding table; 28. a groove; 29. a second limiting block; 30. a jam prevention assembly; 31. a clamping block; 32. an elastic column; 33. a compression plate; 34. an arc-shaped guide edge; 35. a hollow column; 36. inserting the column; 37. a compression spring; 38. and a limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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 some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention. The following detailed description of the embodiments of the present invention, therefore, is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a hot press for producing an environment-friendly ecological plate, which is shown in figures 1-6 and comprises:
the device comprises a base 1, wherein two groups of upright columns 2 are fixedly welded at the upper end of the base 1, and a top plate 3 is fixedly welded at the upper end of each upright column 2;
the pressing component 6 is arranged on the top plate 3, the output end of the pressing component 6 penetrates through the top plate 3 and is fixedly provided with a template fixing component 7, and a pressing template 8 is arranged on the template fixing component 7;
further, as shown in fig. 2, the pressing component 6 includes:
the lower end of the protective shell 14 is fixedly welded with a plurality of groups of supporting columns 15, and one ends of the groups of supporting columns 15 are fixedly welded at the upper end of the top plate 3;
the electric cylinder 16 is arranged in the protective shell 14, a supporting frame 17 is fixedly arranged on the inner side wall of the protective shell 14, the electric cylinder 16 is arranged at one end of the supporting frame 17, a through hole is formed in the top plate 3, and an output shaft of the electric cylinder 16 penetrates through the through hole to be fixed with the upper surface of the template fixing component 7;
further, as shown in fig. 2, the formwork holding assembly 7 includes:
the cross section is a fixing frame 18 in a concave shape, the pressing template 8 is inserted in the fixing frame 18 in a sliding mode, and the pressing end face of the pressing template 8 is located below the fixing frame 18;
through the design of the template fixing component 7, the template is fixed by the template fastener 19, and the fixing frame 18 with the concave-shaped cross section is used for supporting the pressing template 8, so that the pressing template 8 is convenient to disassemble and assemble, and the pressing template 8 is convenient to replace according to different modeling requirements;
it should be noted that the template fastener 19 is mounted on the fixing frame 18, as shown in fig. 3, and the template fastener 19 includes:
a threaded hole is formed in the fixed frame 18 of the screw rod 20, the screw rod 20 is installed in the threaded hole, one end of the screw rod 20 is rotatably connected with a contact block 21 through a rotating bearing, and the contact block 21 is abutted to the lower surface of the press-fit template 8;
a pressing depth limiting mechanism 12 arranged on the pressing template 8, wherein one end of the pressing depth limiting mechanism 12 penetrates through the top plate 3 and is positioned above the top plate;
further, as shown in fig. 2, the pressing depth limiting mechanism 12 includes:
a through hole is formed in the top plate 3, one end of the stud 22 penetrates through the through hole and is positioned above the top plate 3, and the other end of the stud 22 is fixedly welded on the upper surface of the fixed frame 18;
a limiting block 23 is mounted on the stud 22 in a threaded manner, and the limiting block 23 is positioned above the top plate 3; through the design of the pressing depth limiting mechanism 12, the pressing depth of the model can be accurately controlled, and the fracture of the pressing part caused by the over-deep pressing of the pressing template 8 is avoided;
the workbench 4 is sleeved on the upright post 2 in a sliding way, and the workbench 4 is locked and fixed with the upright post 2 through a locking pin 5;
further, as shown in fig. 4, a through hole 24 corresponding to the upright post 2 is formed in the workbench 4, the upright post 2 is located inside the through hole 24, a through hole 25 is formed in the side wall of the through hole 24, a plurality of groups of blind holes 26 are formed in the upright post 2 at equal intervals, and one end of the locking pin 5 is fixed inside the blind holes 26 in a clamping manner through the through hole 25; the workbench 4 is locked and fixed with the upright post 2 through the locking pin 5, and a plurality of groups of blind holes 26 are arranged on the upright post 2 at equal intervals, so that the horizontal height of the workbench 4 can be adjusted according to the actual thickness of the hot press plate when the hot press is used, and the application range of the hot press is enlarged;
a movable limiting component 9 arranged on the workbench 4, an electric push rod 10 is arranged at the upper end of the base 1, and a first limiting block 11 is fixed at one end of a piston rod of the electric push rod 10;
further, as shown in fig. 1, the movement limiting assembly 9 includes:
a groove 28 is formed in the upper end of the workbench 4, the electric sliding table 27 is installed inside the groove 28, a second limiting block 29 is installed on a sliding platform of the electric sliding table 27, and the second limiting block 29 is located at the upper end of the workbench 4; through the design of the movable limiting assembly 9 and the cooperation of the first limiting block 11 which is arranged on the base 1 and is adjusted in a lifting mode through the electric push rod 10, the plate to be pressed can be limited and fixed from the side face of the plate to be pressed, and the situation that the modeling position does not deviate after the plate is hot-pressed is ensured;
it is worth explaining, the upper end of workstation 4 and the both sides that are located to remove spacing subassembly 9 are provided with anti-sticking board subassembly 30 respectively, and anti-sticking board subassembly 30 includes:
the cross section is the joint block 31 of L shape, the joint block 31 is welded and fixed with upper surface of the work level 4;
the elastic columns 32 are arranged at the top in the clamping block 31 at equal intervals;
a pressing plate 33 arranged at the lower end of the elastic column 32, wherein the pressing plate 33 is an elastic rubber pressing plate, and arc-shaped guide edges 34 are arranged at two sides of the pressing plate 33;
further, as shown in fig. 5 and 6, the elastic column 32 includes:
the clamping device comprises a hollow column 35, an insertion column 36, a compression spring 37 and a limiting block 38, wherein the insertion column 36 is inserted in the hollow column 35 in a sliding mode, one end of the hollow column 35 is fixed to the inner top of the clamping block 31, the limiting block 38 is fixed to one end, located in the hollow column 35, of the insertion column 36, and the compression spring 37 is arranged between the inner top of the hollow column 35 and the limiting block 38; through the design of anti-sticking board subassembly 30, can effectually avoid taking the furniture plate that leads to with the furniture plate when the template goes up and split from the pressfitting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (9)
1. The utility model provides a hot press is used in production of environment-friendly ecological plate which characterized in that includes:
the device comprises a base (1), wherein two groups of upright columns (2) are fixedly welded at the upper end of the base (1), and a top plate (3) is fixedly welded at the upper ends of the upright columns (2);
the pressing component (6) is arranged on the top plate (3), the output end of the pressing component (6) penetrates through the top plate (3) and is fixedly provided with a template fixing component (7), and a pressing template (8) is arranged on the template fixing component (7);
a pressing depth limiting mechanism (12) arranged on the pressing template (8), wherein one end of the pressing depth limiting mechanism (12) penetrates through the top plate (3) and is positioned above the top plate;
the workbench (4) is sleeved on the upright post (2) in a sliding manner, and the workbench (4) is locked and fixed with the upright post (2) through a locking pin (5);
install in remove spacing subassembly (9) on workstation (4), electric putter (10) are installed to the upper end of base (1), the one end of electric putter (10) piston rod is fixed with first stopper (11).
2. The hot press for producing the environment-friendly ecological plate as claimed in claim 1, wherein the hot press comprises: the press-fit assembly (6) comprises:
the lower end of the protective shell (14) is fixedly welded with a plurality of groups of supporting columns (15), and one ends of the plurality of groups of supporting columns (15) are fixedly welded at the upper end of the top plate (3);
install in inside electric jar (16) of protecting sheathing (14), fixed mounting has support frame (17) on the inside wall of protecting sheathing (14), electric jar (16) install in the one end of support frame (17), the through hole has been seted up on roof (3), the output shaft of electric jar (16) passes the through hole with fixed surface fixes on template fixed subassembly (7).
3. The hot press for producing the environment-friendly ecological plate as claimed in claim 1, wherein the hot press comprises: the formwork securing assembly (7) comprises:
the cross section of the fixed framework (18) is in a concave shape, the pressing template (8) is inserted into the fixed framework (18) in a sliding mode, and the pressing end face of the pressing template (8) is located below the fixed framework (18);
a template fastener (19) mounted on the fixed frame (18), the template fastener (19) comprising:
the pressing template comprises a screw rod (20), wherein a threaded hole is formed in the fixed frame (18), the screw rod (20) is installed in the threaded hole, one end of the screw rod (20) is rotatably connected with a contact block (21) through a rotating bearing, and the contact block (21) is abutted to the lower surface of the pressing template (8).
4. The hot press for producing the environment-friendly ecological plate as claimed in claim 3, wherein the hot press comprises: the pressing depth limiting mechanism (12) comprises:
the top plate (3) is provided with a through hole, one end of the stud (22) penetrates through the through hole and is positioned above the top plate (3), and the other end of the stud (22) is fixedly welded on the upper surface of the fixed frame (18);
and the limiting block (23) is arranged on the stud (22) in a threaded manner, and the limiting block (23) is positioned above the top plate (3).
5. The hot press for producing the environment-friendly ecological plate as claimed in claim 1, wherein the hot press comprises: seted up on workstation (4) with corresponding through-hole (24) of stand (2), stand (2) are located the inside of through-hole (24), via hole (25) have been seted up on through-hole (24) lateral wall, a plurality of groups blind hole (26) have been seted up on stand (2) equidistant, the one end of fitting pin (5) runs through hole (25) joint and is fixed in inside blind hole (26).
6. The hot press for producing the environment-friendly ecological plate as claimed in claim 1, wherein: the movement limiting assembly (9) comprises:
electric sliding table (27), the upper end of workstation (4) is seted up fluted (28), electric sliding table (27) install in inside recess (28), install second stopper (29) on the sliding platform of electric sliding table (27), second stopper (29) are located the upper end of workstation (4).
7. The hot press for producing the environment-friendly ecological plate as claimed in claim 1, wherein the hot press comprises: the upper end of workstation (4) just is located the both sides of removing spacing subassembly (9) are provided with anti-sticking board subassembly (30) respectively, anti-sticking board subassembly (30) include:
the cross section of the clamping block (31) is L-shaped, and the clamping block (31) is welded and fixed with the upper surface of the workbench (4);
the elastic columns (32) are arranged at the top in the clamping block (31) at equal intervals;
and a pressing plate (33) mounted at the lower end of the elastic column (32).
8. The hot press for producing environment-friendly ecological plates as claimed in claim 7, wherein: the pressing plate (33) is an elastic rubber pressing plate, and arc-shaped guide edges (34) are arranged on two sides of the pressing plate (33).
9. The hot press for producing the environment-friendly ecological plate as claimed in claim 7, wherein: the elastic column (32) includes:
hollow post (35), grafting post (36), compression spring (37) and stopper (38), grafting post (36) slide peg graft in the inside of hollow post (35), the one end of hollow post (35) is fixed in the interior top of joint piece (31), stopper (38) are fixed in grafting post (36) are located the inside one end of hollow post (35), compression spring (37) set up in hollow post (35) interior top with between stopper (38).
Priority Applications (1)
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CN202210384978.7A CN114789486A (en) | 2022-04-13 | 2022-04-13 | Hot press is used in production of environment-friendly ecological plate |
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CN202210384978.7A CN114789486A (en) | 2022-04-13 | 2022-04-13 | Hot press is used in production of environment-friendly ecological plate |
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CN202210384978.7A Pending CN114789486A (en) | 2022-04-13 | 2022-04-13 | Hot press is used in production of environment-friendly ecological plate |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US284215A (en) * | 1883-09-04 | Steam trunk-lid press | ||
CN213291849U (en) * | 2020-08-17 | 2021-05-28 | 合肥佳州印刷包装有限公司 | Embossing device convenient to clamp plate is changed |
CN214293570U (en) * | 2020-11-17 | 2021-09-28 | 云和县锐泽玩具设计工作室 | Plate material flattening device for toy production |
CN215434653U (en) * | 2021-05-15 | 2022-01-07 | 广东顺德龙塑新材包装有限公司 | Food tableware box stamping forming device convenient to change mould |
CN114012961A (en) * | 2021-11-05 | 2022-02-08 | 江西鑫东峰科技有限公司 | Molding press for personal washing and nursing appliance |
-
2022
- 2022-04-13 CN CN202210384978.7A patent/CN114789486A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US284215A (en) * | 1883-09-04 | Steam trunk-lid press | ||
CN213291849U (en) * | 2020-08-17 | 2021-05-28 | 合肥佳州印刷包装有限公司 | Embossing device convenient to clamp plate is changed |
CN214293570U (en) * | 2020-11-17 | 2021-09-28 | 云和县锐泽玩具设计工作室 | Plate material flattening device for toy production |
CN215434653U (en) * | 2021-05-15 | 2022-01-07 | 广东顺德龙塑新材包装有限公司 | Food tableware box stamping forming device convenient to change mould |
CN114012961A (en) * | 2021-11-05 | 2022-02-08 | 江西鑫东峰科技有限公司 | Molding press for personal washing and nursing appliance |
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Application publication date: 20220726 |
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