Bottom punching structure of paper bowl machine

Abstract

The utility model discloses a paper bowl machine bottom punching structure which comprises a lower die and a paper bowl placed in the lower die, the bottom of the lower die is provided with a bottom punching structure, the bottom punching structure comprises a connecting plate arranged at the bottom of the paper bowl, and the left side and the right side of the top of the connecting plate are fixedly connected with connecting blocks. And the surface of the connecting block is movably connected with a scraper through a pin shaft. The scraper can make contact with the bottom of the paper bowl in the rotating process and cut the bottom of the paper bowl in a cutting mode, meanwhile, the transmission structure can drive the scraper to swing with the pin shaft in the connecting block as the axis, and when the scraper moves to the maximum stroke, bottom punching and cutting of the bottom of the paper bowl are completed; according to the paper bowl machining device, an extrusion mode can be replaced to machine an inner groove, redundant materials generated in the extrusion process are prevented from being extruded and fixed to extend outwards, the bottom structure shape of a paper bowl is prevented from being changed, and the paper bowl machining qualification rate is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of bottom punching processing of a paper bowl machine, in particular to a bottom punching structure of a paper bowl machine. Background Art

[0002] Paper bowl production: Paper bowls are usually made by putting paper or cardboard through a series of cutting, folding, gluing and other steps, which are usually completed on automated or semi-automated machines. During the paper bowl production process, a punching machine may be needed to cut out the shape of the bowl bottom, which can ensure that the bowl bottom has the appropriate shape and size.

[0003] For example, the patent number disclosed by the China Patent Network is: 202321481523.3, and the patent name is: A bottom punching device for a paper bowl machine, comprising a bottom punching device body, a driving mechanism is provided on the inner top of the bottom punching device body, a first connecting groove is provided in the driving mechanism, a clamping mechanism is provided in the first connecting groove, a lower mold is fixedly connected to the inner bottom of the bottom punching device body, a second connecting groove and a third connecting groove are provided in the lower mold, a sliding mechanism is provided in the second connecting groove, and a pressing mechanism is provided in the third connecting groove. The utility model has a reasonable structural design. By arranging a clamping mechanism and a sliding mechanism, the staff can drive the upper mold to be disassembled and assembled by operating the clamping mechanism, which is convenient for maintenance and replacement. At the same time, through the setting of the sliding device, the staff can operate the pressing mechanism in actual use, and drive the sliding mechanism to operate by squeezing, so as to push out the paper bowl in the lower mold, which is convenient for the staff to take.

[0004] However, the existing paper bowls are mainly processed by extrusion to obtain their internal grooves. The excess material generated during the extrusion process will extend outward while being extruded and fixed, causing the bottom structure shape of the paper bowl to change, thus affecting the processing qualification rate of the paper bowl.

[0005] Therefore, it is necessary to redesign the bottom punching structure of the paper bowl machine. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a bottom punching structure of a paper bowl machine, which has the advantage of reducing the impact of material punching on the bottom, and solves the problem that the existing paper bowls are mainly processed by extrusion to process their internal grooves. The excess material generated during the extrusion process will extend outward when being extruded and fixed, causing the bottom structure shape of the paper bowl to change, thereby affecting the qualified rate of paper bowl processing.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bottom punching structure of a paper bowl machine, comprising a lower mold;

[0008] Paper bowl placed inside the lower mold;

[0009] The bottom of the lower mold is provided with a bottom punching structure;

[0010] The bottom punching structure includes a connecting plate arranged at the bottom of the paper bowl, the left and right sides of the top of the connecting plate are fixedly connected with connecting blocks, the surface of the connecting block is movably connected with a scraper through a pin shaft, the side of the scraper away from the connecting block is in contact with the bottom of the paper bowl, the side of the scraper close to the connecting block is fixedly connected with a sleeve plate, the surface of the connecting plate is provided with an opening, the bottom of the sleeve plate passes through the opening and extends to the bottom of the connecting plate, and the bottom of the connecting plate is provided with a transmission structure, and the transmission structure can drive the sleeve plate to swing.

[0011] As a preferred embodiment of the utility model, the transmission structure includes a bracket fixedly connected to the bottom of the connecting plate, the interior of the bracket is movably connected with a bidirectional screw through a bearing, the left and right sides of the surface of the bidirectional screw are threadedly connected with screw sleeves, the front and back sides of the screw sleeve are fixedly connected with sliding rods, the sliding rod extends away from the side of the screw sleeve to the interior of the sleeve plate, the sleeve plate and the sliding rod are slidably connected, and the right side of the bracket is fixedly connected with a first motor for driving the bidirectional screw to rotate.

[0012] As a preferred embodiment of the utility model, a guide bar is fixedly connected to the interior of the bracket, and the guide bar extends from a side of the bracket away from the bracket to the interior of the screw sleeve, and the screw sleeve and the guide bar are slidably connected.

[0013] As a preferred embodiment of the present invention, the front side and the rear side of the bottom of the connecting plate are fixedly connected with baffles, and the transmission structure is located on the inner side of the baffles.

[0014] As a preferred embodiment of the present invention, the top of the lower mold is movably connected to a cover plate via a pin, and the cover plate is located on the top of the paper bowl.

[0015] As a preferred embodiment of the utility model, a column is fixedly connected to the surface of the lower mold, a side of the column away from the lower mold is fixedly connected to a base plate, a second motor is fixedly connected to the top of the base plate, and an output end of the second motor is fixedly connected to the bottom of the bracket.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model can contact the bottom of the paper bowl during the rotation of the scraper and cut the bottom of the paper bowl by cutting. At the same time, the transmission structure can drive the scraper to swing with the pin shaft inside the connecting block as the axis. When the scraper moves to the maximum stroke, the bottom punching and cutting of the bottom of the paper bowl is completed. The utility model can replace the extrusion method to process the internal groove, avoid the excess material generated during the extrusion process from extending outward when being extruded and fixed, prevent the bottom structure shape of the paper bowl from changing, and ensure the qualified rate of paper bowl processing.

[0018] 2. The utility model can simultaneously push two scrapers to swing by arranging a bracket, a bidirectional screw, a screw sleeve and a slide rod, and can effectively control the swing angle of the scrapers.

[0019] 3. The utility model can limit the screw sleeve by setting the guide strip, so as to avoid the screw sleeve from tilting during the movement.

[0020] 4. The utility model can improve the safety of the bottom punching structure and reduce the contact area between the transmission structure and the external environment by providing a baffle.

[0021] 5. The utility model can limit the position of the paper bowl by setting a cover plate, thereby preventing the paper bowl from floating up during the cutting process.

[0022] 6. The utility model is provided with a second motor, which can automatically drive the bottom punching structure to rotate, thereby improving the automation effect of structure cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a cross-sectional schematic diagram of the lower mold structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0026] Figure 4 It is a bottom view schematic diagram of the local structure of the utility model.

[0027] In the figure: 1. lower mold; 2. paper bowl; 3. bottom punching structure; 4. connecting plate; 5. connecting block; 6. scraper; 7. sleeve plate; 8. opening; 9. transmission structure; 10. bracket; 11. bidirectional screw; 12. screw sleeve; 13. slide rod; 14. first motor; 15. guide strip; 16. baffle; 17. cover plate; 18. column; 19. bottom plate; 20. second motor. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figures 1 to 4 As shown, the utility model provides a bottom punching structure for a paper bowl machine, comprising a lower mold 1;

[0030] A paper bowl 2 placed inside the lower mold 1;

[0031] A bottom punching structure 3 is provided at the bottom of the lower mold 1;

[0032] The bottom punching structure 3 includes a connecting plate 4 arranged at the bottom of the paper bowl 2, and the left and right sides of the top of the connecting plate 4 are fixedly connected with connecting blocks 5. The surface of the connecting block 5 is movably connected with a scraper 6 through a pin shaft. The side of the scraper 6 away from the connecting block 5 is in contact with the bottom of the paper bowl 2, and the side of the scraper 6 close to the connecting block 5 is fixedly connected with a sleeve plate 7. An opening 8 is provided on the surface of the connecting plate 4, and the bottom of the sleeve plate 7 passes through the opening 8 and extends to the bottom of the connecting plate 4. A transmission structure 9 is provided at the bottom of the connecting plate 4, and the transmission structure 9 can drive the sleeve plate 7 to swing.

[0033] refer to Figure 4 The transmission structure 9 includes a bracket 10 fixedly connected to the bottom of the connecting plate 4, and a bidirectional screw 11 is movably connected to the inside of the bracket 10 through a bearing. The left and right sides of the surface of the bidirectional screw 11 are threadedly connected with a screw sleeve 12, and the front and back sides of the screw sleeve 12 are fixedly connected with a sliding rod 13. The sliding rod 13 extends from the side of the screw sleeve 12 to the inside of the sleeve plate 7, and the sleeve plate 7 and the sliding rod 13 are slidably connected. The right side of the bracket 10 is fixedly connected with a first motor 14 for driving the bidirectional screw 11 to rotate.

[0034] As a technical optimization solution of the utility model, by providing the bracket 10, the bidirectional screw 11, the screw sleeve 12 and the slide rod 13, the two scrapers 6 can be pushed to swing at the same time, and the swing angle of the scrapers 6 can be effectively controlled.

[0035] refer to Figure 4 A guide bar 15 is fixedly connected to the inside of the bracket 10 , and the guide bar 15 extends to the inside of the screw sleeve 12 away from the side of the bracket 10 , and the screw sleeve 12 and the guide bar 15 are slidably connected.

[0036] As a technical optimization solution of the present invention, by providing the guide strip 15, the screw sleeve 12 can be limited to avoid the screw sleeve 12 from tilting during the movement.

[0037] refer to Figure 1 The front side and the rear side of the bottom of the connecting plate 4 are fixedly connected with a baffle 16 , and the transmission structure 9 is located on the inner side of the baffle 16 .

[0038] As a technical optimization solution of the present invention, by providing the baffle 16, the safety of the bottom punching structure 3 can be improved and the contact area between the transmission structure 9 and the external environment can be reduced.

[0039] refer to Figure 2The top of the lower mold 1 is movably connected with a cover plate 17 through a pin shaft, and the cover plate 17 is located on the top of the paper bowl 2.

[0040] As a technical optimization solution of the present invention, by providing a cover plate 17, the paper bowl 2 can be limited to avoid the paper bowl 2 floating up during the cutting process.

[0041] refer to Figure 1 A column 18 is fixedly connected to the surface of the lower mold 1, a bottom plate 19 is fixedly connected to the side of the column 18 away from the lower mold 1, a second motor 20 is fixedly connected to the top of the bottom plate 19, and an output end of the second motor 20 is fixedly connected to the bottom of the bracket 10.

[0042] As a technical optimization solution of the utility model, by providing a second motor 20, the bottom punching structure 3 can be automatically driven to rotate, thereby improving the automation effect of structure cutting.

[0043] The working principle and use process of the utility model are as follows: when in use, the paper bowl 2 is first moved to the bottom of the lower mold 1, and then the cover plate 17 is closed by rotation. When the cover plate 17 is completely closed, the second motor 20 is started. The second motor 20 uses the bracket 10 to carry the transmission structure 9 and the bottom punching structure 3 to rotate. During the rotation of the bottom punching structure 3, the scraper 6 can contact the bottom of the paper bowl 2 and cut the bottom of the paper bowl 2 by cutting. During the rotation of the second motor 20, the first motor 14 can drive the bidirectional screw 11 to rotate. The bidirectional screw 11 uses the thread to push the screw sleeve 12 to move toward each other. During the movement of the screw sleeve 12, the sliding rod 13 is driven to slide inside the sleeve plate 7. The sleeve plate 7 is squeezed and drives the scraper 6 to swing with the pin shaft inside the connecting block 5 as the axis. When the scraper 6 moves to the maximum stroke, the bottom punching and cutting of the bottom of the paper bowl 2 is completed.

[0044] To sum up: the bottom punching structure of the paper bowl machine can contact the bottom of the paper bowl 2 through the scraper 6 during rotation and cut the bottom of the paper bowl 2 by cutting. At the same time, the transmission structure 9 can drive the scraper 6 to swing with the pin shaft inside the connecting block 5 as the axis. When the scraper 6 moves to the maximum stroke, the bottom punching and cutting of the bottom of the paper bowl 2 is completed. The utility model can replace the extrusion method to process the internal groove, avoid the excess material generated during the extrusion process from extending outward when being extruded and fixed, prevent the bottom structure shape of the paper bowl 2 from changing, and ensure the processing qualification rate of the paper bowl 2.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bottom punching structure for a paper bowl machine, comprising a lower mold (1); A paper bowl (2) placed inside the lower mold (1); Features: The bottom of the lower mold (1) is provided with a bottom punching structure (3); The bottom punching structure (3) comprises a connecting plate (4) arranged at the bottom of the paper bowl (2), the left and right sides of the top of the connecting plate (4) are fixedly connected to connecting blocks (5), the surface of the connecting block (5) is movably connected to a scraper (6) via a pin, the side of the scraper (6) away from the connecting block (5) contacts the bottom of the paper bowl (2), the side of the scraper (6) close to the connecting block (5) is fixedly connected to a sleeve plate (7), the surface of the connecting plate (4) is provided with an opening (8), the bottom of the sleeve plate (7) passes through the opening (8) and extends to the bottom of the connecting plate (4), and the bottom of the connecting plate (4) is provided with a transmission structure (9), and the transmission structure (9) can drive the sleeve plate (7) to swing.

2. A bottom punching structure for a paper bowl machine according to claim 1, characterized in that: The transmission structure (9) comprises a bracket (10) fixedly connected to the bottom of the connecting plate (4); a bidirectional screw (11) is movably connected to the inside of the bracket (10) via a bearing; a screw sleeve (12) is threadedly connected to the left and right sides of the surface of the bidirectional screw (11); a sliding rod (13) is fixedly connected to the front and back sides of the screw sleeve (12); a side of the sliding rod (13) away from the screw sleeve (12) extends to the inside of the sleeve plate (7); the sleeve plate (7) and the sliding rod (13) are slidably connected; and a first motor (14) for driving the bidirectional screw (11) to rotate is fixedly connected to the right side of the bracket (10).

3. The bottom punching structure of a paper bowl machine according to claim 2, characterized in that: A guide bar (15) is fixedly connected to the interior of the bracket (10), and the guide bar (15) extends to the interior of the screw sleeve (12) from a side away from the bracket (10), and the screw sleeve (12) and the guide bar (15) are slidably connected.

4. The bottom punching structure of a paper bowl machine according to claim 1, characterized in that: The front side and the rear side of the bottom of the connecting plate (4) are both fixedly connected to a baffle (16), and the transmission structure (9) is located on the inner side of the baffle (16).

5. The bottom punching structure of a paper bowl machine according to claim 1, characterized in that: The top of the lower mold (1) is movably connected to a cover plate (17) via a pin, and the cover plate (17) is located on the top of the paper bowl (2).

6. The bottom punching structure of a paper bowl machine according to claim 2, characterized in that: A column (18) is fixedly connected to the surface of the lower mold (1), a bottom plate (19) is fixedly connected to the side of the column (18) away from the lower mold (1), a second motor (20) is fixedly connected to the top of the bottom plate (19), and an output end of the second motor (20) is fixedly connected to the bottom of the bracket (10).

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