Knurled bottom rolling structure

Abstract

The utility model discloses a knurling bottom rolling structure which comprises a movable plate, the movable plate is used for supporting a knurling structure and a bottom rolling structure, and a motor is fixed to the movable plate. The bottom rolling structure comprises a bottom rolling flange, the bottom rolling flange is fixed to the top face of the movable plate, the inner side of the bottom rolling flange is connected with a bottom rolling shaft through a bearing, and a bottom rolling die is arranged on the top face of the bottom rolling shaft; the knurling structure comprises a knurling locking seat, the knurling locking seat is fixed on the top surface of the movable plate, an outer sleeve is fixed in the knurling locking seat, a knurling seat is arranged at the top end of the outer sleeve, a rotatable rotary jacking structure is arranged in the outer sleeve, and a knurling wheel is fixed at the top of the rotary jacking structure; the motor is connected with the bottom rolling shaft and the rotary jacking structure through chain structures, connection and rotation through multiple gears are not needed, installation is easy, the motor is fixed inside, plastic gear conveying is not needed, the stroke is reduced, and cost is saved.

Description

Technical Field

[0001] This utility model relates to the field of knurling on the bottom of paper cups, and in particular to a knurled roll bottom structure. Background Technology

[0002] The main functions of knurling on the bottom of paper cups include: enhanced sealing: The uniform depth of the knurling ensures consistent sealing throughout the cup, effectively improving its airtightness; increased stability: The knurling design increases the stability of the paper cup when placed vertically. On shelves, this design allows the cup to grip the shelf more firmly, preventing it from tipping over due to collisions with other products; and anti-slip function: Knurling also helps prevent slipping by increasing the coefficient of friction, making the cup more stable and less prone to sliding. The knurling design on the bottom of paper cups not only enhances their functionality but also their aesthetics, making it an important design element in paper cup manufacturing.

[0003] Traditional knurled bottom structures use multiple small gears to work together, so that the motor on the outside drives the knurled bottom structure and the knurling structure on the movable plate. This method increases the complexity of the device and the maintenance cost. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, this utility model provides a knurled bottom structure, which can solve the following technical problems: the traditional knurled bottom structure uses multiple small gears to cooperate, so that the motor on the outside drives the bottom structure and knurling structure on the movable plate. This method increases the complexity of the device and increases the maintenance cost.

[0005] To solve the above technical problems, this utility model provides the following technical solution: a knurled bottom structure, comprising a movable plate for supporting the knurling structure and the bottom structure, and a motor fixed on the movable plate; a bottom structure comprising a bottom flange fixed on the top surface of the movable plate, wherein a bottom shaft is connected to the inner side of the bottom flange via a bearing, and a bottom mold is provided on the top surface of the bottom shaft; a knurling structure comprising a knurling locking seat fixed on the top surface of the movable plate, wherein an outer sleeve is fixed inside the knurling locking seat, a knurling seat is provided at the top of the outer sleeve, and a rotatable rotary lifting structure is provided inside the outer sleeve, wherein a knurling wheel is fixed at the top of the rotary lifting structure; the motor is connected to the bottom shaft and the rotary lifting structure via a chain structure.

[0006] As a preferred embodiment of this utility model, the rotary lifting structure includes an inner sleeve located inside the outer sleeve, the inner sleeve and the outer sleeve are connected by a bearing, and a top rod is provided inside the inner sleeve.

[0007] As a preferred technical solution of this utility model, the rotary lifting structure further includes a knurled bearing sleeve, the bottom of the top rod is fixed with a knurled bearing sleeve, and a sprocket is provided on the outer side of the top rod, with the sprocket located directly below the sleeve.

[0008] As a preferred technical solution of this utility model, the rotary lifting structure further includes guide grooves, two guide grooves are opened on the side wall of the inner sleeve, a crossbar is passed through the middle of the top rod, and the two ends of the crossbar extend out through the guide grooves.

[0009] As a preferred embodiment of this utility model, a lifting cap is fitted on the outer side of the inner sleeve, the lifting cap is located above the crossbar, the inner sleeve is torch-shaped, and a spring is provided between the large end of the inner sleeve and the top surface of the lifting cap, the spring being wound around the outer side of the inner sleeve.

[0010] As a preferred technical solution of this utility model, the rotary lifting structure further includes a limiting pressure block. The limiting pressure block is fixed on the top surface of the inner sleeve. A rectangular sliding cavity is opened between the inner sleeve and the limiting pressure block. A moving block is arranged inside the sliding cavity.

[0011] As a preferred embodiment of this utility model, the top surface of the top rod is provided with an inclined block, the bottom surface of the moving block is provided with an inclined groove, and the inclined block is inserted into the interior of the inclined groove.

[0012] As a preferred embodiment of this invention, the top surface of the movable block is fixed with a knurled wheel.

[0013] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0014] 1. By designing a sprocket located on the outside of the bottom of the motor, the bottom roll shaft, and the top rod, the movable plate can drive the motor, the bottom roll structure, and the knurling structure to move and rotate together through the chain connection. This eliminates the need for multiple gears to connect and rotate, making installation simple. The motor is fixed inside, eliminating the need for plastic gear transmission, reducing the stroke, and saving costs.

[0015] 2. By designing a movable block that cooperates with the inclined block, the top rod moves upward while driving the movable block to move, thereby driving the knurling wheel to press the bottom of the cup into contact with the inner side of the knurling seat, and then the knurling is performed by the rotation of the knurling wheel.

[0016] 3. By designing a crossbar located inside the top rod and inserting it into the guide groove, the inner sleeve can rotate to drive the top rod to rotate, thus preventing the inclined block and the moving block from twisting and being damaged. At the same time, the spring and lifting cap located outside the inner sleeve allow the top rod to move down, thereby allowing the knurling wheel to reset. Attached Figure Description

[0017] Figure 1 This is a three-dimensional view of the knurled bottom structure of this utility model;

[0018] Figure 2 This is a top view of the knurled bottom structure of this utility model;

[0019] Figure 3 This utility model Figure 2 Cross-sectional view at point AA;

[0020] Figure 4 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point BB;

[0021] The components are: 1. Movable plate; 2. Motor; 3. Bottom flange; 4. Bottom shaft; 5. Bottom mold; 6. Knurled wheel; 7. Knurled seat; 8. Outer sleeve; 9. Knurled locking seat; 10. Top rod; 11. Knurled bearing outer sleeve; 12. Crossbar; 13. Lifting cap; 14. Guide groove; 15. Spring; 16. Inclined block; 17. Moving block; 18. Inclined groove; 19. Limiting block; 20. Sliding cavity; 21. Inner sleeve. Detailed Implementation

[0022] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation are all within the protection scope of this utility model without creative effort.

[0023] Example

[0024] Please refer to Figures 1-4 As shown, this utility model provides a knurled bottom structure. A motor 2 is fixed on the top surface of the movable plate 1. The rotating end of the motor 2 passes through the movable plate 1 and is connected to a sprocket. A bottom flange 3 is also fixed on the top surface of the movable plate 1. A bottom rolling shaft 4 is connected to the inner side of the bottom rolling flange 3 through a bearing. A sprocket is connected to the bottom end of the bottom rolling shaft 4. A bottom rolling mold 5 is connected to the top end of the bottom rolling shaft 4. The motor 2 is connected to the sprocket at the bottom end of the bottom rolling shaft 4 and to the sprocket of the knurled structure through a chain. The motor can drive the knurled structure and the bottom rolling structure to rotate simultaneously without the need for multiple gears to connect and rotate. The installation is simple. The motor is fixed inside, eliminating the need for plastic gear transmission, reducing the stroke and saving costs.

[0025] like Figures 1-4As shown, the knurled structure includes a knurled locking seat 9, which is fixed to the top surface of the movable plate 1. The knurled locking seat 9 includes a knurled nut base, with multiple clamping grooves on the top of the nut base. A locking nut is provided on the outer side of the nut base. The locking nut clamps the outer sleeve 8 located inside the nut base by tightening. The outer sleeve 8 is shaped like a torch and has a hollow structure with a larger upper part and a smaller lower part. A knurled seat 7 is fixed to the top of the outer sleeve 8 by bolts. An inner sleeve 21 is provided inside the outer sleeve 8. The inner sleeve 21 is also torch-shaped. A bearing is provided between the large end of the inner sleeve 21 and the large end of the outer sleeve 8. A bearing is also provided between the bottom of the inner wall of the outer sleeve 8 and the inner sleeve 21. This fixes the position of the inner sleeve 21 without affecting its rotation. Since the bearings are located at both ends, there is space between the inner sleeve 21 and the outer sleeve 8. A sprocket is fixed to the bottom outer side of the inner sleeve 21, so that the motor 2 can drive the inner sleeve 21 to rotate through the chain.

[0026] like Figures 1-4 As shown, a push rod 10 is provided inside the inner sleeve 21, and a crossbar 12 passes through the middle of the push rod 10. A guide groove 14 is provided on the outer side of the inner sleeve 21, and the crossbar 12 is inserted into the guide groove 14. The crossbar 12 can extend into the space between the inner sleeve 21 and the outer sleeve 8. A lifting cap 13 is fitted on the outer side of the inner sleeve 21. The lifting cap 13 is located above the crossbar 12, and a spring 15 is provided between the large end of the inner sleeve 21 and the lifting cap 13. The spring 15 is fitted on the outer side of the inner sleeve 21. Thus, through the spring structure and the action of the crossbar 12, the inner sleeve 21 can drive the push rod 10 to rotate and can move the push rod 10 up and down. The bottom of the push rod 10 is connected to a knurled bearing outer sleeve 11 through a bearing. The knurled bearing outer sleeve 11 can push the push rod 10 upward without affecting the rotation of the push rod 10.

[0027] like Figures 1-4 As shown, a limiting block 19 is fixed to the top of the inner sleeve 21 by screws. A sliding cavity 20 is provided between the limiting block 19 and the inner sleeve 21. Both the limiting block 19 and the inner sleeve 21 have rectangular grooves, but the length of the groove on the limiting block 19 is less than the length of the groove on the inner sleeve 21, so that the two grooves are merged into an inverted T-shaped groove. A movable block 17 is placed in the inverted T-shaped groove. An inclined groove 18 is provided at the bottom of the movable block 17. An inclined block 16 is provided on the top surface of the push rod 10. The inclined block 16 is inserted into the inclined groove 18 and cooperates with the inclined groove 18. Thus, when the push rod 10 rises and falls, it will drive the movable block 17 to slide in the inverted T-shaped groove. After the top surface of the movable block 17 passes through the inverted T-shaped groove, it is connected to a knurled wheel 6. The knurled wheel 6 is connected to the movable block 17 by screws. The knurled wheel 6 limits the movable block 17. The knurled wheel 6 and the movable block 17 are connected by a bearing.

[0028] Specific working principle:

[0029] During knurling, the push rod 10 is pushed upward by the knurling bearing outer sleeve 11. The push rod 10 causes the inclined block 16 to be inserted into the inclined groove 18, thereby causing the moving block 17 to slide laterally. The moving block 17 drives the knurling wheel 6 to rest against the inner wall of the knurling seat 7. At the same time, the motor 2 drives the inner sleeve 21 to rotate through the chain structure. As the inner sleeve 21 rotates, it drives the moving block 17 to rotate, thereby causing the knurling wheel 6, which is close to the inner wall of the knurling seat 7, to also rotate. The knurling wheel 6 rotates around the axis of the push rod 10 and performs knurling treatment on the bottom of the cup.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. Knurled cup bottom structure, characterized by: The knurling bottom structure comprises The movable plate (1) is used for supporting the knurling structure and the bottom structure, and a motor (2) is fixed on the movable plate (1); The bottom structure comprises a bottom flange (3) fixed on the top surface of the movable plate (1), and the inner side of the bottom flange (3) is connected with a bottom shaft (4) through a bearing, and the top surface of the bottom shaft (4) is provided with a bottom die (5); The knurling structure comprises a knurling locking seat (9) fixed on the top surface of the movable plate (1), and the inside of the knurling locking seat (9) is fixed with a sleeve (8), the top end of the sleeve (8) is provided with a knurling seat (7), and the inside of the sleeve (8) is provided with a rotatable jacking structure, and the top of the jacking structure is fixed with a knurling wheel (6); The motor (2) is connected with the bottom shaft (4) and the jacking structure through a chain structure.

2. The knurled crimp structure of claim 1, wherein: The jacking structure comprises an inner sleeve (21) located in the inside of the sleeve (8), the inner sleeve (21) and the sleeve (8) are connected through a bearing, and the inside of the inner sleeve (21) is provided with a top rod (10).

3. The knurled crimp structure of claim 2, wherein: The jacking structure further comprises a knurling bearing sleeve (11), the bottom of the top rod (10) is fixed with the knurling bearing sleeve (11), the outer side of the top rod (10) is provided with a chain wheel, and the chain wheel is located directly below the sleeve (8).

4. The knurled crimp structure of claim 2, wherein: The jacking structure further comprises a guide groove (14), two guide grooves (14) are formed in the side wall of the inner sleeve (21), a cross rod (12) is arranged in the middle of the top rod (10), and the two ends of the cross rod (12) extend out of one end through the guide grooves (14).

5. The knurled crimp structure of claim 4, wherein: The outer side of the inner sleeve (21) is sleeved with a jacking cap (13), the jacking cap (13) is located above the cross rod (12), the inner sleeve (21) is a torch type, a spring (15) is arranged between the large head of the inner sleeve (21) and the top surface of the jacking cap (13), and the spring (15) is wound on the outer side of the inner sleeve (21).

6. The knurled crimp structure of claim 2, wherein: The jacking structure further comprises a limiting pressing block (19), the top surface of the inner sleeve (21) is fixed with the limiting pressing block (19), a rectangular sliding cavity (20) is formed between the inner sleeve (21) and the limiting pressing block (19), and the inside of the sliding cavity (20) is provided with a moving block (17).

7. The knurled crimp structure of claim 6, wherein: The top surface of the top rod (10) is provided with an inclined block (16), the bottom surface of the moving block (17) is provided with an inclined groove (18), and the inclined block (16) is inserted into the inside of the inclined groove (18).

8. The knurled crimp structure of claim 6, wherein: The top surface of the moving block (17) is fixed with the knurling wheel (6).

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