Paper pulp molded product trimming equipment

By designing a pulp molded product edge cutting equipment including a frame, a workbench, a bottom edge cutting assembly, an upper edge cutting assembly and a driving assembly, the problems of inefficiency and difficulty in ensuring the accuracy of the traditional edge cutting method are solved, efficient and accurate edge cutting operation is achieved, and production efficiency and product quality are improved.

CN119839961AInactive Publication Date: 2025-04-18YANCHENG LIJIE PACKAGING PRODUCTS CO LTD
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Patent Information

Application Number
CN202510221722.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-04-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional pulp molding products rely on manual operation to cut edges, resulting in low efficiency, difficulty in ensuring accuracy and consistency, resulting in uneven product quality and high defect rate, increasing production costs.

Method used

A pulp molding product edge cutting equipment is designed, including a frame, a workbench, a bottom edge cutting assembly, an upper edge cutting assembly and a driving assembly. The height and position adjustment of the upper edge cutting assembly is achieved through the height adjustment mechanism and the transverse adjustment mechanism to ensure accurate and consistent edge cutting.

Benefits of technology

It realizes efficient and precise cutting of the edges of pulp molded products, avoids product deformation, improves the degree of automation of edge cutting, reduces the difference in manual operations, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of paper pulp molding product processing, and discloses paper pulp molding product edge cutting equipment which comprises a frame body, a workbench is fixedly connected to the top of the frame body, a lower edge cutting assembly for placing a paper pulp molding product is arranged at the top of the workbench, and a mounting frame is arranged at the top of the workbench through a driving assembly; an upper edge cutting assembly matched with the lower edge cutting assembly is arranged at the end of the mounting frame. The edge of a paper pulp molded product is compacted through product edge pressing, then cutting operation of the outer edge of the paper pulp molded product is achieved through an upper die cutter and a lower die cutter, in the cutting process, the paper pulp molded product does not deform, and the situation that the edge cutting precision is affected is avoided; upward movement of the upper edge cutting assembly is achieved through the height adjusting mechanism, lateral movement of the upper edge cutting assembly is achieved through the transverse adjusting mechanism, and therefore effective avoiding is conducted on paper pulp molding product taking-out.
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Description

Technical Field

[0001] The invention relates to the technical field of pulp molded product processing, in particular to pulp molded product trimming equipment. Background Art

[0002] In the production process of pulp molded products, the trimming process is crucial. As the market demand for pulp molded products grows, the requirements for production efficiency and quality are becoming more stringent.

[0003] The traditional method of trimming pulp molded products mostly relies on manual operation, which is not only inefficient, but also difficult to ensure the accuracy and consistency of trimming due to the differences in manual operation. This will not only lead to uneven product quality, but also increase the defective rate and increase production costs. Therefore, it is urgent to develop an efficient, accurate and highly automated pulp molded product trimming equipment. Summary of the invention

[0004] Technical issues solved In view of the shortcomings of the prior art, the present invention provides a pulp molded product trimming equipment, which is mainly used to solve the problem that traditional pulp molded product trimming methods mostly rely on manual operation, which is not only inefficient, but also due to the differences in manual operation, it is difficult to ensure the accuracy and consistency of trimming, which not only leads to uneven product quality, but also increases the defective rate and increases production costs.

[0005] Technical Solution To achieve the above object, the present invention provides the following technical solutions: A pulp molded product trimming device comprises a frame, the top of the frame is fixedly connected to a workbench, the top of the workbench is provided with a lower trimming assembly for placing the pulp molded product, the top of the workbench is provided with a mounting frame through a driving assembly, the end of the mounting frame is provided with an upper trimming assembly that matches the lower trimming assembly, the driving assembly comprises a height adjustment mechanism for adjusting the position height of the upper trimming assembly and realizing trimming of the pulp molded product, and a lateral adjustment mechanism for adjusting the position of the upper trimming assembly and realizing avoidance.

[0006] Furthermore, the lower trimming assembly includes a support column, which is fixedly connected to the top of the workbench, and a lower mold base is integrally formed on the top of the support column. An installation chamber is provided on the top of the lower mold base, and a mold core is embedded in the installation chamber. A placement mold cavity for placing a pulp molded product is provided on the top of the mold core, and a lower mold cutter for trimming the edge of the pulp molded product is provided on the top of the mold core.

[0007] On the basis of the above-mentioned scheme, an inner groove is opened inside the lower mold base, and a ejection column is provided in the inner groove, and the top of the ejection column can pass through the mold core, the bottom of the workbench is fixedly connected to a base frame, and the bottom of the base frame is fixedly connected to a ejection cylinder, and one end of the piston rod of the ejection cylinder passes through the base frame and the support column and is fixed to the ejection column.

[0008] As a further solution of the present invention, a plurality of equidistantly distributed ribs are fixedly connected to the outer circumferential side of the lower die base, a material collection box is sleeved on the outer side of the lower die base and above the ribs, and a material guide slope is provided on the top of the mold core and the lower die base.

[0009] Furthermore, the circumferential outer wall of the mold core is integrally formed with a plurality of anti-rotation protrusions distributed at equal distances, and the circumferential inner wall of the installation chamber is provided with anti-rotation grooves corresponding to the plurality of anti-rotation protrusions.

[0010] On the basis of the above scheme, the upper trimming assembly includes a mounting column, which is fixedly connected to the inside of the mounting frame. The bottom end of the mounting column is integrally formed with an upper mold base, and the bottom end of the upper mold base is provided with an upper mold cutter for trimming the edge of the pulp molded product. The upper mold base is provided with an anti-deformation mechanism for pressing the trimmed pulp molded product.

[0011] As a further solution of the present invention, the anti-deformation mechanism includes a stripping trough, in which a pressure head is slidably connected, and a stripping spring is fixedly connected between the top of the pressure head and the top inner wall of the stripping trough, and a product pressing edge is provided on the circumferential outer side of the pressure head for pressing the edge of the pulp molded product tightly, and a avoidance groove for avoiding the product pressing edge is provided at the bottom end of the upper mold base.

[0012] Furthermore, the lateral adjustment mechanism includes two lateral guide rails, which are fixedly connected to the top of the workbench. A lateral movement frame is slidably connected between the two lateral guide rails via a slide. A lateral movement cylinder is fixedly connected to the top of the workbench, and one end of the lateral movement cylinder piston rod is fixed to the lateral movement frame.

[0013] On the basis of the above-mentioned scheme, the height adjustment mechanism includes two vertical guide rails, which are fixedly connected to the outer walls of both sides of the transverse frame. The two vertical guide rails are slidably connected to the mounting frame through a slide. The interior of the transverse frame is fixedly connected with a lifting cylinder, and one end of the lifting cylinder piston rod passes through the transverse frame and is fixed to the mounting frame.

[0014] Beneficial Effects Compared with the prior art, the present invention provides a pulp molding product trimming device, which has the following beneficial effects: 1. The present invention compacts the edge of the pulp molded product by pressing the product edge, and then uses the upper die cutter and the lower die cutter to cut the outer edge of the pulp molded product. During the cutting process, the pulp molded product will not be deformed or otherwise affect the cutting accuracy.

[0015] 2. The present invention provides material guiding slopes on the top of the mold core and the lower mold base, so that the cut edge materials can fall into the material collecting box through the material guiding slopes.

[0016] 3. The present invention realizes the upward movement of the upper trimming assembly through a height adjustment mechanism, and realizes the lateral movement of the upper trimming assembly through a lateral adjustment mechanism, thereby effectively avoiding the removal of the pulp molded product.

[0017] 4. The present invention extends one end of the piston rod of the ejecting cylinder to drive the ejecting column to move upward and eject the pulp molded product in the mold cavity, thereby realizing rapid material removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front three-dimensional structure of a pulp molding product trimming device proposed by the present invention; Figure 2 This is a schematic diagram of the rear three-dimensional structure of a pulp molding product trimming device proposed by the present invention; Figure 3 This is a schematic diagram of the structure of a driving component of a pulp molding product trimming device proposed by the present invention; Figure 4 A schematic diagram of the structure of an upper trimming assembly of a pulp molding product trimming device proposed by the present invention; Figure 5 A schematic structural diagram of a lower trimming assembly of a pulp molding product trimming device proposed by the present invention; Figure 6 A pulp molding product trimming device proposed by the present invention Figure 5 Schematic diagram of the partial cross-sectional structure.

[0019] In the figure: 1. Upper trimming assembly; 2. Lower trimming assembly; 3. Workbench; 4. Frame; 5. Mounting frame; 6. Drive assembly; 7. Mounting column; 8. Transverse frame; 9. Lifting cylinder; 10. Vertical guide rail; 11. Transverse cylinder; 12. Transverse guide rail; 13. Upper die seat; 14. Stripping trough; 15. Stripping spring; 16. Avoidance groove; 17. Upper die cutter; 18. Product edge pressing; 19. Pressing head; 20. Ejecting column; 21. Placement cavity; 22. Mold core; 23. Support column; 24. Base frame; 25. Ejecting cylinder; 26. Retaining edge; 27. Lower die seat; 28. Collecting box; 29. ​​Anti-rotation protrusion; 30. Inner groove; 31. Lower die cutter; 32. Guide slope; 33. Installation chamber. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in the present invention, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0022] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0023] Reference Figure 1-Figure 6 , a pulp molded product trimming equipment, including a frame 4, a workbench 3 is fixed to the top of the frame 4 by bolts, a lower trimming assembly 2 for placing the pulp molded product is provided on the top of the workbench 3, a mounting frame 5 is provided on the top of the workbench 3 through a driving assembly 6, an upper trimming assembly 1 that matches the lower trimming assembly 2 is provided at the end of the mounting frame 5, the driving assembly 6 includes a height adjustment mechanism for adjusting the position height of the upper trimming assembly 1 and realizing the trimming of the pulp molded product and a lateral adjustment mechanism for adjusting the position of the upper trimming assembly 1 and realizing avoidance. When in use, the pulp molded product is placed on the lower trimming assembly 2, and then the upper trimming assembly 1 is moved downward and closed with the lower trimming assembly 2 through the height adjustment mechanism of the driving assembly 6, thereby realizing the removal of burrs on the edge of the pulp molded product. After the removal is completed, the upper trimming assembly 1 is moved upward by the height adjustment mechanism, and the upper trimming assembly 1 is moved sideways by the lateral adjustment mechanism, thereby effectively avoiding the removal of the pulp molded product.

[0024] In the present invention, the lower trimming assembly 2 includes a support column 23, which is fixed to the top of the workbench 3 by bolts, and a lower mold base 27 is integrally formed at the top of the support column 23, and a mounting chamber 33 is provided at the top of the lower mold base 27, and a mold core 22 is embedded in the mounting chamber 33, and a placement mold cavity 21 for placing a pulp molded product is provided at the top of the mold core 22, and a lower mold cutter 31 for trimming the edge of the pulp molded product is provided at the top of the mold core 22, and the inner opening of the lower mold base 27 is provided. An inner groove 30 is provided, in which a material ejection column 20 is provided, and the top of the material ejection column 20 can pass through the mold core 22. The bottom of the workbench 3 is fixed with a base frame 24 by bolts, and the bottom of the base frame 24 is fixed with a material ejection cylinder 25 by bolts. One end of the piston rod of the material ejection cylinder 25 passes through the base frame 24 and the support column 23 and is fixed to the material ejection column 20. The outer side of the circumference of the lower mold base 27 is fixed with a plurality of equidistantly distributed retaining edges 26 by bolts. The outer side of the lower mold base 27 and the upper side of the retaining edges 26 are fixed to the lower mold base 27. The square sleeve is provided with a material collecting box 28, the top of the mold core 22 and the lower mold base 27 are provided with a material guiding slope 32, the circumferential outer wall of the mold core 22 is integrally formed with a plurality of anti-rotation protrusions 29 distributed at equal distances, and the circumferential inner wall of the installation chamber 33 is provided with anti-rotation grooves corresponding to the plurality of anti-rotation protrusions 29. When in use, by placing the pulp molded product in the placement mold cavity 21, the outer edge of the pulp molded product can be cut off by the lower die cutter 31. A material guiding slope 32 is provided on the top, so the cut edge material can fall into the collecting box 28 through the material guiding slope 32. Since the pulp molded product is embedded in the placement mold cavity 21, it is difficult to take it out. Therefore, by starting the ejecting cylinder 25, one end of the piston rod of the ejecting cylinder 25 is extended to drive the ejecting column 20 to move upward and eject the pulp molded product in the placement mold cavity 21, thereby realizing quick material removal. At the same time, the mold core 22 can be replaced and repaired, which is simple and convenient to use.

[0025] It should be noted that the upper trimming assembly 1 includes a mounting column 7, which is fixed to the inside of the mounting frame 5 by bolts, and an upper die seat 13 is integrally formed at the bottom end of the mounting column 7, and an upper die cutter 17 for trimming the edge of the pulp molded product is provided at the bottom end of the upper die seat 13, and an anti-deformation mechanism for pressing the trimmed pulp molded product is provided inside the upper die seat 13, and the anti-deformation mechanism includes a stripping groove 14, and a pressure head 19 is slidably connected in the stripping groove 14, and a stripping spring 15 is fixed between the top of the pressure head 19 and the top inner wall of the stripping groove 14 by bolts, and the pressure head A product pressing edge 18 is provided on the circumferential outer side of 19 for pressing the edge of the pulp molded product, and a avoiding groove 16 is provided at the bottom end of the upper mold base 13 for avoiding the product pressing edge 18. When in use, the bottom of the pulp molded product is compacted by the pressure head 19 and the stripping spring 15, and the edge of the pulp molded product is compacted by the product pressing edge 18, and then the outer edge of the pulp molded product is cut off by the upper die cutter 17 and the lower die cutter 31, and during the cutting process, the pulp molded product will not be deformed or otherwise affect the cutting accuracy.

[0026] The lateral adjustment mechanism in the present invention includes two lateral guide rails 12, which are fixed to the top of the workbench 3 by bolts, and a lateral frame 8 is slidably connected between the two lateral guide rails 12 through a slide. A lateral cylinder 11 is fixed to the top of the workbench 3 by bolts, and one end of the piston rod of the lateral cylinder 11 is fixed to the lateral frame 8. When in use, the lateral cylinder 11 is started to shorten the lateral cylinder 11 and drive the lateral frame 8 to move along the lateral guide rail 12. The height adjustment mechanism includes two vertical guide rails 10, which are fixed to the outer walls of the two sides of the lateral frame 8 by bolts, and the two vertical guide rails 10 are slidably connected to the mounting frame 5 through a slide. A lifting cylinder 9 is fixed to the inside of the lateral frame 8 by bolts, and one end of the piston rod of the lifting cylinder 9 passes through the lateral frame 8 and is fixed to the mounting frame 5. When in use, the lifting cylinder 9 is started to shorten the lifting cylinder 9 and drive the mounting frame 5 to move downward along the vertical guide rail 10 and perform edge cutting operations.

[0027] The present invention is divided into the following steps when used: S1: Firstly, the pulp molded product is placed in the mold cavity 21, and then the lifting cylinder 9 is activated, and the lifting cylinder 9 is shortened to drive the mounting frame 5 to move downward along the vertical guide rail 10; S2: At this time, the bottom of the pulp molded product is compacted by the pressing head 19 and the stripping spring 15, and the edge of the pulp molded product is compacted by the product edge pressing 18, and then the outer edge of the pulp molded product is cut off by the upper die cutter 17 and the lower die cutter 31, and during the cutting process, the pulp molded product will not be deformed or affect the cutting accuracy; S3: Since the tops of the mold core 22 and the lower mold base 27 are both provided with a material guiding slope 32, the cut edge material can fall into the collecting box 28 through the material guiding slope 32; S4: After the trimming is completed, the upper trimming assembly 1 is moved upward by the height adjustment mechanism, and the upper trimming assembly 1 is moved sideways by the lateral adjustment mechanism, so as to effectively avoid the removal of the pulp molded product; S5: Since the pulp molded product is embedded in the placement mold cavity 21, it is difficult to take it out. Therefore, by starting the ejection cylinder 25, one end of the piston rod of the ejection cylinder 25 is extended to drive the ejection column 20 to move upward and eject the pulp molded product in the placement mold cavity 21, thereby achieving rapid material removal.

[0028] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0029] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A pulp molding product trimming device, comprising a frame (4), the top of which is fixedly connected to a workbench (3), characterized in that: A lower trimming assembly (2) for placing a pulp molded product is provided on the top of the workbench (3); a mounting frame (5) is provided on the top of the workbench (3) via a driving assembly (6); an upper trimming assembly (1) that matches the lower trimming assembly (2) is provided at the end of the mounting frame (5); the driving assembly (6) comprises a height adjustment mechanism for adjusting the position height of the upper trimming assembly (1) and realizing trimming of the pulp molded product, and a lateral adjustment mechanism for adjusting the position of the upper trimming assembly (1) and realizing avoidance.

2. The pulp molding product trimming device according to claim 1, characterized in that: The lower trimming assembly (2) comprises a support column (23), the support column (23) being fixedly connected to the top of the workbench (3), a lower die seat (27) being integrally formed at the top of the support column (23), a mounting chamber (33) being provided at the top of the lower die seat (27), a mold core (22) being embedded in the mounting chamber (33), a placement mold cavity (21) for placing a pulp molded product being provided at the top of the mold core (22), and a lower die cutter (31) for trimming the edge of the pulp molded product being provided at the top of the mold core (22).

3. The pulp molding product trimming device according to claim 2, characterized in that: An inner groove (30) is provided inside the lower die base (27), a material ejection column (20) is provided inside the inner groove (30), and the top end of the material ejection column (20) can pass through the die core (22); the bottom of the workbench (3) is fixedly connected to a base frame (24), the bottom of the base frame (24) is fixedly connected to a material ejection cylinder (25), and one end of a piston rod of the material ejection cylinder (25) passes through the base frame (24) and the support column (23) and is fixed to the material ejection column (20).

4. The pulp molding product trimming device according to claim 2, characterized in that: A plurality of equidistantly distributed retaining edges (26) are fixedly connected to the outer circumferential side of the lower die base (27); a material collecting box (28) is sleeved on the outer side of the lower die base (27) and above the retaining edges (26); and a material guiding inclined surface (32) is provided on the top of the die core (22) and the lower die base (27).

5. The pulp molding product trimming device according to claim 2, characterized in that: The circumferential outer wall of the mold core (22) is integrally formed with a plurality of anti-rotation protrusions (29) distributed at equal distances, and the circumferential inner wall of the installation chamber (33) is provided with anti-rotation grooves corresponding to the plurality of anti-rotation protrusions (29).

6. The pulp molding product trimming device according to claim 1, characterized in that: The upper trimming assembly (1) comprises a mounting column (7), the mounting column (7) being fixedly connected to the inside of the mounting frame (5), the bottom end of the mounting column (7) being integrally formed with an upper die seat (13), the bottom end of the upper die seat (13) being provided with an upper die cutter (17) for trimming the edge of a pulp molded product, and the interior of the upper die seat (13) being provided with an anti-deformation mechanism for pressing the trimmed pulp molded product.

7. The pulp molding product trimming device according to claim 6, characterized in that: The anti-deformation mechanism comprises a stripping groove (14), a pressure head (19) is slidably connected inside the stripping groove (14), a stripping spring (15) is fixedly connected between the top of the pressure head (19) and the top inner wall of the stripping groove (14), a product pressing edge (18) for firmly fitting the edge of the pulp molded product is provided on the circumferential outer side of the pressure head (19), and a avoiding groove (16) for avoiding the product pressing edge (18) is provided at the bottom end of the upper mold base (13).

8. The pulp molding product trimming device according to claim 1, characterized in that: The transverse adjustment mechanism comprises two transverse guide rails (12), the transverse guide rails (12) are fixedly connected to the top of the workbench (3), a transverse frame (8) is slidably connected between the two transverse guide rails (12) via a slide, a transverse oil cylinder (11) is fixedly connected to the top of the workbench (3), and one end of the piston rod of the transverse oil cylinder (11) is fixed to the transverse frame (8).

9. The pulp molding product trimming device according to claim 8, characterized in that: The height adjustment mechanism comprises two vertical guide rails (10), the two vertical guide rails (10) are fixedly connected to the outer walls of both sides of the transverse frame (8), the two vertical guide rails (10) are slidably connected to the mounting frame (5) via a slide, and a lifting cylinder (9) is fixedly connected inside the transverse frame (8), and one end of the piston rod of the lifting cylinder (9) passes through the transverse frame (8) and is fixed to the mounting frame (5).