CN114770690A - Assembling equipment and method for wooden box - Google Patents

Assembling equipment and method for wooden box Download PDF

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Publication number
CN114770690A
CN114770690A CN202210235934.8A CN202210235934A CN114770690A CN 114770690 A CN114770690 A CN 114770690A CN 202210235934 A CN202210235934 A CN 202210235934A CN 114770690 A CN114770690 A CN 114770690A
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CN
China
Prior art keywords
side baffle
wooden box
plates
wooden
baffle
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.)
Pending
Application number
CN202210235934.8A
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Chinese (zh)
Inventor
王四秀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Huayi Packaging Products Co ltd
Original Assignee
Dongguan Huayi Packaging Products Co ltd
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Application filed by Dongguan Huayi Packaging Products Co ltd filed Critical Dongguan Huayi Packaging Products Co ltd
Priority to CN202210235934.8A priority Critical patent/CN114770690A/en
Publication of CN114770690A publication Critical patent/CN114770690A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27MWORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/34Manufacture or reconditioning of specific semi-finished or finished articles of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening ; Manufacture of cleats therefor
    • B27M3/36Machines or devices for attaching blanks together, e.g. for making wire-bound boxes

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)

Abstract

The invention discloses an assembling device and an assembling method for a wooden box, relates to the technical field of production equipment, and solves the problems of low assembling efficiency and poor stability of the wooden box in the current wooden box assembling process, wherein the technical scheme is as follows: the side baffles are uniformly distributed on the bearing platform and are uniformly distributed along the central point of the bearing platform at an angle of ninety degrees, an upper coaming is arranged on the upper side of each side baffle, the shape defined by the four side baffles is a cube, a clamping plate groove is arranged at the lower end of the outer surface of each side baffle, and a driving structure is arranged at the middle position of each side baffle; in the use, can independently accomplish the assembly of wooden case, practice thrift the manpower, operating efficiency is higher to the wooden case after the assembly has higher stability.

Description

Assembling equipment and method for wooden box
Technical Field
The invention relates to the technical field of production equipment, in particular to wood box assembling equipment and a wood box assembling method.
Background
The wooden box is one of the oldest packing containers and is also one of important transport and packing containers, and has the advantages of simple manufacture, high strength, local material, good durability, certain elasticity, impact and vibration resistance, low price and the like, thereby playing a very important role in the packing world.
In the production process of the wooden box, firstly, plates are cut according to the size of the wooden box, and then the plates with the sizes are assembled together by using steel nails to form the wooden box with the corresponding size;
particularly, in the wooden box assembling process, two processes are included, one process is that in the side plate connecting process, connection between every two plates needs to be ensured to be relatively firm, and the other process is that in the side plate combination assembling process, connection between every two side plates needs to be ensured to be stable and relatively vertical.
Disclosure of Invention
The invention aims to provide the wood box assembling equipment and the wood box assembling method, in the using process, the wood box can be independently assembled, the labor is saved, the operation efficiency is higher, and the assembled wood box has higher stability.
The technical purpose of the invention is realized by the following technical scheme: the wood box assembling equipment comprises a bearing platform, wherein side baffles are uniformly distributed on the bearing platform, the side baffles are uniformly distributed along the central point of the bearing platform at an angle of ninety degrees, an upper enclosing plate is arranged on the upper side of each side baffle, and the shape enclosed by the four side baffles is a cube;
and a clamping plate groove is formed in the lower end of the outer surface of each side baffle, and a driving structure is arranged in the middle of each side baffle.
By adopting the technical scheme, the four side baffles are combined into a cube, the clamping plate grooves are formed in each surface, operators can operate the clamping plate grooves independently, plates to be used are placed in each clamping plate groove, and the assistance of other operators from side is not needed;
in addition, the size between each side baffle plate can be changed through a driving structure, so that the inner diameter of the combined wooden box is changed.
The invention is further configured to: four sliding grooves are formed in the upper surface of the supporting platform and are in sliding connection with the side baffle plates, the cross sections of the side baffle plates are L-shaped, and the lower surfaces of the side baffle plates are horizontal.
By adopting the technical scheme, each side baffle can horizontally move in the sliding groove and can synchronously move, so that the outer diameter of each side baffle is adjusted, the appearance of each side baffle is limited, and the displacement direction and the displacement angle of each side baffle are limited.
The invention is further configured to: the center point position of the lower surface of the upper enclosing plate is coincided with the center point of the top end of the movable ejector rod, and the upper enclosing plate is not connected with the movable ejector rod.
Through adopting above-mentioned technical scheme, the last bounding wall that sets up is as the impetus of fixed wooden case bottom plate to can freely dismantle, can not interfere the fixed process of wooden case curb plate.
The invention is further configured to: and a horizontal liquid column is fixedly mounted at the lower end of the side baffle and is vertical along the sliding direction of the side baffle in the sliding groove.
Through adopting above-mentioned technical scheme, at the in-process of adjusting the side shield, restricted the fixed angle of horizontal liquid column to can be through observing the inside liquid level change of horizontal liquid column, with this indirect straightness that hangs down that feeds back the side shield.
The invention is further configured to: the electric telescopic cylinder fixedly arranged on the central point position of the bearing platform and the movable ejector rod arranged on the output end position of the electric telescopic cylinder are contained in the driving structure, a connecting ring is fixedly arranged on the movable ejector rod, four supporting bent rods are hinged to the connecting ring in an evenly distributed mode, each supporting bent rod rotates in the tail end position and is provided with a connecting block, and the connecting block is arranged on the central point position on the inner side of the side baffle.
By adopting the technical scheme, the electric telescopic cylinder drives the connecting ring to move, so that each side baffle plate can synchronously move under the action of the connecting ring and the supporting bent rod.
The invention is further configured to: the side shield is characterized in that the lower ends of the outer walls of the two sides of the side shield are symmetrically distributed and fixedly provided with directional pins, and the inner walls of the two sides of the sliding groove are provided with directional sliding grooves matched with the directional pins.
By adopting the technical scheme, the moving angle of the side baffle is limited under the action of the directional pin column and the directional sliding groove.
The invention also provides an assembly method of the wooden case, and the assembly process of the wooden case uses the assembly equipment of the wooden case, and the method comprises the following steps:
the first step is as follows: in an initial state, each side baffle is positioned on an initial original position, and the supporting curved rod in the state is inclined downwards by taking the connecting block as a rotating point;
the second step: starting the electric telescopic cylinder to drive the connecting ring on the movable ejector rod to move along the vertical direction;
1): when the connecting ring on the movable ejector rod moves upwards, the supporting bent rod rotates upwards for a certain angle by taking the connecting block as a rotating point, each side baffle extends outwards, and the size of a cube surrounded by each side baffle is increased;
2): when the connecting ring on the movable ejector rod moves downwards, the supporting bent rod rotates downwards by a certain angle by taking the connecting block as a rotating point, each side baffle contracts inwards, and the size of a cube surrounded by each side baffle is reduced;
the third step: placing a plate with a corresponding size on the clamping plate groove on one of the side baffles, sequentially stacking the plates from bottom to top, connecting each two adjacent plates through a rivet, repeating the operation, and combining the side plates in the wooden box;
the fourth step: and placing the combined side plates on each side baffle, combining the upper cover plate in the wooden box according to the inner diameter of each side baffle, taking down the combined upper cover plate, combining the bottom plate of the wooden box according to the outer diameter of each side baffle combination, connecting the bottom plate with the four side plates through rivets, and taking down the combined wooden box.
The invention is further configured to: in the second step, at first under the effect of directional spout and directional round pin post, the side shield lower extreme carries out the horizontal migration in the sliding tray to after removing, through observing the inside liquid level change of horizontal liquid column, observe the straightness that hangs down of side shield.
Compared with the prior art, the invention has the following beneficial effects: the four side baffles are combined into a cube, each face is provided with a clamping plate groove, an operator can operate the clamping plates independently, plates are placed on each clamping plate groove and need to be used, other operators do not need to assist from the side, manpower is saved, and therefore production efficiency can be improved.
In addition, the size between each side baffle can be changed through a driving structure between each side baffle, so that the inner diameter of the combined wooden box is changed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the construction of the assembling apparatus of the present invention;
FIG. 2 is a cut-away view of a part of the mounting platform of the mounting apparatus of the present invention;
FIG. 3 is a schematic view of the construction of a side dam assembly of the assembly apparatus of the present invention;
fig. 4 is a front view of a side dam member of the assembling apparatus of the present invention.
Reference numbers and corresponding part names in the figures: 1. a support platform; 2. a side dam; 3. mounting a coaming plate; 4. a sliding groove; 5. an electric telescopic cylinder; 6. a connecting ring; 7. a movable ejector rod; 8. a support curved bar; 9. a directional chute; 10. a horizontal liquid column; 11. a clamping plate groove; 12. a directional pin; 13. and (4) connecting the blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples and figures 1-4, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not intended to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" 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.
Example 1: the wood box assembling equipment comprises a bearing platform 1, wherein side baffles 2 are uniformly distributed on the bearing platform 1, the side baffles 2 are uniformly distributed along the central point of the bearing platform 1 at an angle of ninety degrees, an upper coaming 3 is arranged on the upper side of each side baffle 2, and the shape enclosed by the four side baffles 2 is a cube;
the lower end of the outer surface of each side baffle 2 is provided with a clamping plate groove 11, the middle position of each side baffle 2 is provided with a driving structure, the upper surface of the supporting platform 1 is provided with four sliding grooves 4, the sliding grooves 4 are in sliding connection with the side baffles 2, the cross section of each side baffle 2 is L-shaped, the lower surface of each side baffle 2 is horizontal, the central point of the lower surface of the upper enclosing plate 3 is coincided with the central point of the top end of the movable ejector rod 7, the upper enclosing plate 3 is not connected with the movable ejector rod 7, the lower end of each side baffle 2 is fixedly provided with a horizontal liquid column 10, the horizontal liquid column 10 is vertical along the sliding direction of the side baffle 2 in the sliding grooves 4, and the driving structure comprises an electric telescopic cylinder 5 fixedly arranged at the central point of the supporting platform 1 and the movable ejector rod 7 arranged at the output end of the electric telescopic cylinder 5, the movable ejector rod 7 is fixedly provided with a connecting ring 6, the connecting ring 6 is hinged with four supporting bent rods 8 in an evenly distributed manner, each supporting bent rod 8 is rotatably provided with a connecting block 13 at the tail end position, the connecting block 13 is arranged at the central point position of the inner side of the side baffle 2, the lower end positions of the outer walls of the two sides of the side baffle 2 are symmetrically and fixedly provided with directional pin columns 12, and directional sliding grooves 9 matched with the directional pin columns 12 are formed in the inner walls of the two sides of the sliding groove 4.
Example 2: a method for assembling a wooden box, wherein the assembling process of the wooden box uses an assembling device of the wooden box, and comprises the following steps:
the first step is as follows: in the initial state, each side baffle 2 is positioned at the initial original position, and the supporting curved rod 8 in the state is inclined downwards by taking the connecting block 13 as a rotating point;
the second step: starting the electric telescopic cylinder 5 to drive the connecting ring 6 on the movable ejector rod 7 to move along the vertical direction;
1): when the connecting ring 6 on the movable ejector rod 7 moves upwards, the supporting bent rod 8 rotates upwards by a certain angle by taking the connecting block 13 as a rotating point, each side baffle 2 extends outwards, and the size of a cube surrounded by each side baffle 2 is increased;
2): when the connecting ring 6 on the movable top rod 7 moves downwards, the supporting curved rod 8 rotates downwards by a certain angle by taking the connecting block 13 as a rotating point, each side baffle 2 contracts inwards, and the size of a cube surrounded by each side baffle 2 is reduced;
the third step: placing a plate with a corresponding size on the clamping plate groove 11 on one of the side baffles 2, sequentially stacking the plates from bottom to top, connecting each two adjacent plates through a rivet, and repeating the operation to combine the side plates in the wooden box;
the fourth step: and placing the combined side plates on each side baffle 2, combining the upper cover plate in the wooden box according to the inner diameter size of each side baffle 2, taking down the combined upper cover plate, combining the bottom plate of the wooden box according to the outer diameter size of each side baffle 2 combination, connecting the bottom plate with the four side plates through rivets, and taking down the combined wooden box.
In the second step, under the action of the directional chute 9 and the directional pin 12, the lower end of the side baffle 2 moves horizontally in the sliding groove 4, and after the movement is finished, the verticality of the side baffle 2 is observed by observing the liquid level change in the horizontal liquid column 10.
The working principle is as follows: in the using process of the device, four side baffles 2 are placed on a bearing platform 1, a cube is formed by the four side baffles 2, an upper coaming plate 3 is arranged above the side baffles 2, and plates are placed on the outer sides of the side baffles 2 and the side baffles 2 to form a rudiment of a wooden box;
when the assembling is started, the upper coaming 3 is taken down, the electric telescopic cylinder 5 is started according to the production requirement, the connecting ring 6 is driven to move in the vertical direction, in the moving process, referring to the second step in the embodiment 2, the position of each side baffle 5 is adjusted, so that the inner diameter of the wooden box to be assembled is changed, and in the process, the liquid level change in the horizontal liquid column 10 is observed, so that the verticality of the side baffles 2 is fed back;
then, referring to the third and fourth steps in example 2, a plate material of a corresponding size is placed in the plate clamping groove 11 of one of the side guards 2, the plate materials are sequentially stacked in a direction from bottom to top, each adjacent plate material is connected by a rivet, the operation is repeated, the side plates in the wooden box are assembled, the assembled side plates are placed on each side guard 2, the upper cover plate in the wooden box is combined according to the inner diameter of each side baffle 2, the combined upper cover plate is taken down, the bottom plate of the wooden box is combined according to the outer diameter of each side baffle 2, the bottom plate is connected with the four side plates through rivets, the combined wooden case is taken down, after the connection process of the side plates and the bottom plate is completed, and taking down the assembled wooden box through equipment such as a crane, and placing the combined upper cover plate on the upper side of the wooden box to complete the whole assembling process of the wooden box. The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. The wood box assembling equipment is characterized by comprising a bearing platform (1), wherein side baffles (2) are uniformly distributed on the bearing platform (1), the side baffles (2) are uniformly distributed along the central point of the bearing platform (1) at an angle of ninety degrees, an upper coaming (3) is arranged on the upper side of each side baffle (2), and the shape enclosed by the four side baffles (2) is a cube;
the lower end of the outer surface of each side baffle (2) is provided with a clamping plate groove (11), and the middle of each side baffle (2) is provided with a driving structure.
2. The wood box assembling equipment according to claim 1, wherein four sliding grooves (4) are formed in the upper surface of the supporting platform (1), the sliding grooves (4) are connected with the side baffle plates (2) in a sliding mode, the cross sections of the side baffle plates (2) are L-shaped, and the lower surfaces of the side baffle plates (2) are horizontal.
3. The wooden case assembling equipment as claimed in claim 1, wherein the center point of the lower surface of the upper enclosing plate (3) coincides with the center point of the top end of the movable ejector rod (7), and the upper enclosing plate (3) is not connected with the movable ejector rod (7).
4. The wooden box assembling equipment as claimed in claim 2, wherein a horizontal liquid column (10) is fixedly installed at the lower end position of the side baffle (2), and the horizontal liquid column (10) is vertical along the sliding direction of the side baffle (2) in the sliding groove (4).
5. The wood box assembling equipment according to claim 1, wherein the driving structure comprises an electric telescopic cylinder (5) fixedly arranged at the central point of the supporting platform (1) and a movable ejector rod (7) arranged at the output end of the electric telescopic cylinder (5), the movable ejector rod (7) is fixedly provided with a connecting ring (6), the connecting ring (6) is hinged with four supporting curved rods (8) in an evenly distributed manner, each supporting curved rod (8) is rotatably provided with a connecting block (13) at the tail end position, and the connecting block (13) is arranged at the central point of the inner side of the side baffle (2).
6. The wood box assembling equipment as claimed in claim 2, wherein the side baffle (2) is provided with the positioning pins (12) at the lower end positions of the two outer side walls in a symmetrical distribution, and the sliding groove (4) is provided with the positioning sliding grooves (9) matched with the positioning pins (12) at the two inner side walls.
7. A method of erecting a wooden box as claimed in any one of claims 1 to 6 wherein the wooden box erecting process uses erecting equipment for the wooden box.
8. A method of assembling a wooden box as claimed in claim 7 including the steps of:
the first step is as follows: in an initial state, each side baffle (2) is positioned on an initial original position, and the supporting curved rod (8) in the state is inclined downwards by taking the connecting block (13) as a rotating point;
the second step: the electric telescopic cylinder (5) is started to drive the connecting ring (6) on the movable ejector rod (7) to move along the vertical direction;
1): when the connecting ring (6) on the movable ejector rod (7) moves upwards, the supporting curved rod (8) rotates upwards for a certain angle by taking the connecting block (13) as a rotating point, each side baffle (2) extends outwards, and the size of a cube surrounded by each side baffle (2) is increased;
2): when the connecting ring (6) on the movable ejector rod (7) moves downwards, the supporting curved rod (8) rotates downwards by a certain angle by taking the connecting block (13) as a rotating point, each side baffle (2) shrinks inwards, and the size of a cube surrounded by each side baffle (2) is reduced;
the third step: placing a plate with a corresponding size on the clamping plate groove (11) on one of the side baffles (2), sequentially stacking the plates from bottom to top, connecting each two adjacent plates through rivets, repeating the operation, and combining the side plates in the wooden box;
the fourth step: and placing the combined side plates on each side baffle (2), combining the upper cover plate in the wooden box according to the inner diameter of each side baffle (2), taking down the combined upper cover plate, combining the bottom plate of the wooden box according to the outer diameter of each side baffle (2), connecting the bottom plate with the four side plates through rivets, and taking down the combined wooden box.
9. A method of assembling a wooden box as claimed in claim 8, wherein in the second step, the lower end of the side dams (2) are first moved horizontally within the slide grooves (4) by the action of the orientation slide grooves (9) and the orientation pins (12), and after the movement is completed, the verticality of the side dams (2) is observed by observing the change in the liquid level within the horizontal liquid column (10).
CN202210235934.8A 2022-03-10 2022-03-10 Assembling equipment and method for wooden box Pending CN114770690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210235934.8A CN114770690A (en) 2022-03-10 2022-03-10 Assembling equipment and method for wooden box

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Application Number Priority Date Filing Date Title
CN202210235934.8A CN114770690A (en) 2022-03-10 2022-03-10 Assembling equipment and method for wooden box

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CN114770690A true CN114770690A (en) 2022-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116141452A (en) * 2023-03-13 2023-05-23 斯玛特(苏州)包装有限公司 Assembling equipment for packaging wooden box and assembling method for wooden box

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Publication number Priority date Publication date Assignee Title
EP1531032A1 (en) * 2003-11-12 2005-05-18 Antonio Carmona Royo Assembly device for wooden boxes and the assembly procedure for the wooden boxes
CN104661808A (en) * 2012-07-19 2015-05-27 奥贝坎Mdf西班牙有限公司 Systems and methods for preventing data remanence in memory
CN206999218U (en) * 2017-08-03 2018-02-13 福建双羿竹木发展有限公司 A kind of tub assembles equipment
CN209774970U (en) * 2018-11-28 2019-12-13 天津恒威包装有限公司 Positioning and forming device for wood packaging box
CN211224531U (en) * 2019-11-29 2020-08-11 上海鼎盛包装工程有限公司 Turnover wooden case with supporting tray
CN213198032U (en) * 2020-07-27 2021-05-14 武汉兴靖源包装有限公司 Positioning and forming device for wood packaging box
CN213198031U (en) * 2020-07-13 2021-05-14 常熟市天力包装有限公司 Positioning forming device of packing box
CN213647824U (en) * 2020-10-11 2021-07-09 孝感远大橡塑有限公司 Annular rubber product side cut mould
CN214488949U (en) * 2020-12-31 2021-10-26 苏州二十六电子科技有限公司 Lathe drilling auxiliary fixture
CN113561127A (en) * 2021-08-16 2021-10-29 嘉兴市阿丽三科技有限公司 Production clamping device for mechanical equipment and clamping process thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1531032A1 (en) * 2003-11-12 2005-05-18 Antonio Carmona Royo Assembly device for wooden boxes and the assembly procedure for the wooden boxes
CN104661808A (en) * 2012-07-19 2015-05-27 奥贝坎Mdf西班牙有限公司 Systems and methods for preventing data remanence in memory
CN206999218U (en) * 2017-08-03 2018-02-13 福建双羿竹木发展有限公司 A kind of tub assembles equipment
CN209774970U (en) * 2018-11-28 2019-12-13 天津恒威包装有限公司 Positioning and forming device for wood packaging box
CN211224531U (en) * 2019-11-29 2020-08-11 上海鼎盛包装工程有限公司 Turnover wooden case with supporting tray
CN213198031U (en) * 2020-07-13 2021-05-14 常熟市天力包装有限公司 Positioning forming device of packing box
CN213198032U (en) * 2020-07-27 2021-05-14 武汉兴靖源包装有限公司 Positioning and forming device for wood packaging box
CN213647824U (en) * 2020-10-11 2021-07-09 孝感远大橡塑有限公司 Annular rubber product side cut mould
CN214488949U (en) * 2020-12-31 2021-10-26 苏州二十六电子科技有限公司 Lathe drilling auxiliary fixture
CN113561127A (en) * 2021-08-16 2021-10-29 嘉兴市阿丽三科技有限公司 Production clamping device for mechanical equipment and clamping process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116141452A (en) * 2023-03-13 2023-05-23 斯玛特(苏州)包装有限公司 Assembling equipment for packaging wooden box and assembling method for wooden box

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Application publication date: 20220722

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