Bottom rolling device of paper cup forming machine

Abstract

The utility model discloses a bottom rolling device of a paper cup forming machine, and relates to the technical field of paper cup processing. The bottom rolling device of the paper cup forming machine comprises a workbench, supporting legs are fixedly installed at the bottom of the workbench, a motor is fixedly installed at the bottom of the workbench, a rotating shaft is rotationally installed on the workbench, one end of the rotating shaft and an output shaft of a knurling block are fixedly installed, and the knurling block is fixedly installed at the other end of the rotating shaft. According to the bottom rolling device of the paper cup forming machine, through the pushing structure, the pressing roller can be driven to push a cup cylinder and a cup bottom, so that the pressing roller and the knurling block can clamp and fix the cup cylinder and the cup bottom, then through cooperation of the motor and the rotating shaft, the knurling block can be driven to rotate, and the knurling block and the pressing roller can roll the bottom of a paper cup of any size; compared with a bottom rolling device on the market, the position of the knurling block does not need to be adjusted, and the applicability of the bottom rolling device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cup processing, in particular to a bottom rolling device of a paper cup forming machine. Background Art

[0002] A paper cup is a paper container made by mechanically processing and gluing together paper made from chemical wood pulp. It primarily consists of a paper tube and a base bonded together. To improve the tightness of the tube and base, the two are knurled using a rolling mechanism to strengthen the connection between them.

[0003] Publication number CN221113025U discloses a square cup bottom knurling device for a paper cup forming machine, comprising an adjustment motor and a knurling spacing adjustment assembly. The knurling spacing adjustment assembly comprises a center frame, two sets of spacing adjustment frames, two sets of spacing adjustment rods, two sets of long-arm knurling elements, and a positioning frame. The output end of the adjustment motor is securely connected to the center of the center frame, and the ends of the center frame are rotatably connected to the adjacent ends of the two sets of spacing adjustment frames. By adjusting the spacing of the two sets of long-arm knurling elements in the knurling spacing adjustment assembly, the two sets of knurling posts can be pre-adjusted to the spacing within the paper cup to be knurled, thereby improving the applicability of the square cup bottom knurling device for the paper cup forming machine. The knurling drive assembly and the knurling spacing adjustment assembly cooperate to drive the knurling spacing adjustment assembly as a whole, and utilize the contact between the two sets of knurling posts and the inner wall of the paper cup to achieve the knurling effect on the inner wall of the paper cup.

[0004] However, when the knurling device is used, it is necessary to adjust the distance between the two sets of knurlings to roll the bottom of the paper cups of different sizes, which makes the processing of the paper cups more complicated. Utility Model Content

[0005] The purpose of the present utility model is to provide a bottom rolling device for a paper cup forming machine to solve the problems and defects raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bottom rolling device of a paper cup forming machine, comprising a workbench, a supporting leg fixedly installed at the bottom of the workbench, a motor fixedly installed at the bottom of the workbench, a rotating shaft rotatably installed on the workbench, one end of the rotating shaft is fixedly installed with the output shaft of the knurling block, and the other end of the rotating shaft is fixedly installed with the knurling block, a cup bottom is provided on the outer side of the knurling block, and a pressing roller is provided on the outer side of the cup bottom, which can drive the knurling block to rotate so that the knurling block and the pressing roller can roll the bottom of paper cups of any size. Compared with the bottom rolling devices on the market, there is no need to adjust the position of the knurling block, which improves the applicability of the bottom rolling device. It also includes a support plate fixedly installed on the outer wall of the rotating shaft, which is used to support the bottom of the cup tube, a pressing roller arranged on the outer wall of one side of the cup tube, a pushing structure provided on the pressing roller, which drives the pressing roller to squeeze the cup tube and the cup bottom through the pushing structure, and a fixed structure arranged on the pushing structure, which is used to position the pressing roller through the fixed structure.

[0007] Preferably, the pushing structure includes a shaft cylinder, a slider, and a push spring. The shaft cylinder is rotatably installed at the center of the pressure roller, the slider is fixedly installed at the outer wall of the shaft cylinder, and the push spring is fixedly installed at one side of the slider. It can drive the pressure roller to push the cup cylinder and the cup bottom, so that the pressure roller and the knurled block can clamp and fix the cup cylinder and the cup bottom.

[0008] Preferably, the workbench is provided with a guide groove, the slider is slidably installed in the guide groove, and the push spring is fixedly installed on one side of the guide groove.

[0009] Preferably, the fixing structure includes a spur gear rod, a spur gear rack, a fixing block, and a spring. The spur gear rod is slidably mounted on the top and bottom of the shaft cylinder, the spur gear rack is fixedly mounted on the bottom of the workbench, one end of the spur gear rod is engaged with the spur gear rack, the fixing block is fixedly mounted on the outer wall of the spur gear rod, the spring is sleeved on the outer wall of the spur gear rod, and the bottom of the fixing block is fixedly mounted to the top of the spring, which can position the pressure roller to prevent the pressure roller from moving during use and improve the rolling effect on the bottom of the paper cup.

[0010] Preferably, an L-shaped pull rod is slidably installed on one side of the workbench, one end of the L-shaped pull rod extends into the guide groove, and one end of the L-shaped pull rod is fixedly installed on one side of the slider, and a push spring is sleeved on the outer wall of the L-shaped pull rod.

[0011] Preferably, a push rod is slidably mounted on the outer wall of the L-shaped pull rod, the push rod is provided with a movable groove, and the other end of the straight tooth rod is slidably mounted in the movable groove.

[0012] Preferably, the bottom of the pressing roller contacts the top of the supporting plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The bottom rolling device of the paper cup forming machine can drive the pressure roller to push the cup tube and cup bottom through the pushing structure, so that the pressure roller and the knurling block can clamp and fix the cup tube and cup bottom. Then, through the cooperation of the motor and the rotating shaft, the knurling block can be driven to rotate, so that the knurling block and the pressure roller can roll the bottom of paper cups of any size. Compared with the bottom rolling devices on the market, there is no need to adjust the position of the knurling block, which improves the applicability of the bottom rolling device. The fixing structure can position the pressure roller to prevent the pressure roller from moving during use, thereby improving the bottom rolling effect of the paper cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 The three-dimensional Figure 1 ;

[0017] Figure 2 The three-dimensional Figure 2 ;

[0018] Figure 3 This is a cross-sectional view of the workbench of the present utility model;

[0019] Figure 4 It is a cross-sectional view of the shaft cylinder of the present utility model.

[0020] Figure numerals: 1. workbench; 2. support leg; 3. motor; 4. rotating shaft; 5. knurled block; 6. support plate; 7. cup tube; 8. cup bottom; 9. pressure roller; 10. shaft tube; 11. slider; 12. push spring; 13. L-shaped pull rod; 14. straight gear rod; 15. straight gear rack; 16. fixed block; 17. spring; 18. push rod. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0022] See also Figure 1-4The utility model provides a technical solution: a bottom rolling device of a paper cup forming machine, comprising a workbench 1, a supporting leg 2 is fixedly installed at the bottom of the workbench 1, a motor 3 is fixedly installed at the bottom of the workbench 1, a rotating shaft 4 is rotatably installed on the workbench 1, one end of the rotating shaft 4 is fixedly installed with the output shaft of a knurling block 5, and the other end of the rotating shaft 4 is fixedly installed with a knurling block 5, a cup bottom 8 is arranged on the outside of the knurling block 5, and a pressing roller 9 is arranged on the outside of the cup bottom 8. When the motor 3 is started, the output shaft of the motor 3 drives the rotating shaft 4, the knurling block 5, the supporting plate 6, the cup tube 7, and the cup bottom 8 to rotate. The knurling block 5 and the pressing roller 9 can roll the bottom of paper cups of any size. Compared with the bottom rolling devices on the market, there is no need to adjust the position of the knurling block 5, which improves the applicability of the bottom rolling device. The invention also includes a support plate 6 fixedly mounted on the outer wall of the rotating shaft 4, which is used to support the bottom of the cup tube 7 through the support plate 6, and a pressing roller 9 arranged on the outer wall of one side of the cup tube 7. The pressing roller 9 is provided with a pushing structure, which drives the pressing roller 9 to squeeze the cup tube 7 and the cup bottom 8 through the pushing structure. The fixing structure arranged on the pushing structure is used to position the pressing roller 9 through the fixing structure.

[0023] The pushing structure includes a shaft cylinder 10, a slider 11, and a push spring 12. The shaft cylinder 10 is rotatably installed at the center of the pressure roller 9, the slider 11 is fixedly installed on the outer wall of the shaft cylinder 10, and the push spring 12 is fixedly installed on one side of the slider 11. As the push spring 12 pushes the slider 11, the shaft cylinder 10, and the pressure roller 9 to the right, the pressure roller 9 squeezes the cup cylinder 7 and the cup bottom 8, and can clamp and fix the cup cylinder 7 and the cup bottom 8.

[0024] The workbench 1 is provided with a guide groove, the slider 11 is slidably installed in the guide groove, and the push spring 12 is fixedly installed on one side of the guide groove.

[0025] The fixed structure includes a spur gear rod 14, a spur gear rack 15, a fixed block 16, and a spring 17. The spur gear rod 14 is slidably mounted on the top and bottom of the shaft cylinder 10, and the spur gear rack 15 is fixedly mounted on the bottom of the workbench 1. One end of the spur gear rod 14 is engaged with the spur gear rack 15. The fixed block 16 is fixedly mounted on the outer wall of the spur gear rod 14. The spring 17 is sleeved on the outer wall of the spur gear rod 14. The bottom of the fixed block 16 is fixedly mounted to the top of the spring 17, which can position the pressure roller 9 to prevent the pressure roller 9 from moving during use, thereby improving the rolling effect on the bottom of the paper cup.

[0026] An L-shaped pull rod 13 is slidably installed on one side of the workbench 1 , one end of the L-shaped pull rod 13 extends into the guide groove, and one end of the L-shaped pull rod 13 is fixedly installed on one side of the slider 11 , and a push spring 12 is sleeved on the outer wall of the L-shaped pull rod 13 .

[0027] A push rod 18 is slidably installed on the outer wall of the L-shaped pull rod 13. The push rod 18 is provided with a movable groove. The other end of the spur gear rod 14 is slidably installed in the movable groove. After the paper cups are processed, the push rod 18 is manually pressed, and the push rod 18 drives the spur gear rod 14 to move downward, so that the spur gear rod 14 is separated from the spur gear rack 15. Then the push rod 18 is manually pushed to the right, so that the push rod 18 drives the L-shaped pull rod 13, the slider 11, the shaft cylinder 10, and the pressure roller 9 to move to the right, so that the pressure roller 9 is separated from the paper cups, thereby facilitating the removal of the processed paper cups and facilitating the processing of the next group of paper cups.

[0028] The bottom of the pressure roller 9 contacts the top of the support plate 6.

[0029] Working principle: Place the cup tube 7 and cup bottom 8 on the top of the supporting plate 6, and drive one side of the cup tube 7 and one side of the cup bottom 8 to be located between the knurled block 5 and the pressure roller 9. As the push spring 12 pushes the slider 11, the shaft tube 10 and the pressure roller 9 to the right, the pressure roller 9 squeezes the cup tube 7 and the cup bottom 8. Then start the motor 3, and the output shaft of the motor 3 drives the rotating shaft 4, the knurled block 5, the supporting plate 6, the cup tube 7 and the cup bottom 8 to rotate, so that the knurled block 5 and the pressure roller 9 can squeeze the cup tube 7 and the cup bottom. 8 is knurled to achieve rolling of the bottom of the paper cup. After the paper cup is processed, the push rod 18 is manually pressed, and the push rod 18 drives the spur gear 14 to move downward, so that the spur gear 14 and the spur rack 15 are separated. Then the push rod 18 is manually pushed to the right, so that the push rod 18 drives the L-shaped pull rod 13, the slider 11, the shaft cylinder 10, and the pressure roller 9 to move to the right, so that the pressure roller 9 is separated from the paper cup, thereby facilitating the removal of the processed paper cups and facilitating the processing of the next group of paper cups.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A bottom rolling device for a paper cup forming machine, comprising a workbench (1), a support leg (2) fixedly mounted on the bottom of the workbench (1), a motor (3) fixedly mounted on the bottom of the workbench (1), a rotating shaft (4) rotatably mounted on the workbench (1), one end of the rotating shaft (4) fixedly mounted on the output shaft of a knurled block (5), the other end of the rotating shaft (4) fixedly mounted on the knurled block (5), a cup bottom (8) disposed on the outer side of the knurled block (5), and a pressing roller (9) disposed on the outer side of the cup bottom (8), characterized in that: Also includes: A support plate (6) fixedly mounted on the outer wall of the rotating shaft (4) is used to support the bottom of the cup tube (7); A pressing roller (9) is arranged on the outer wall of one side of the cup tube (7), and a pushing structure is provided on the pressing roller (9), which drives the pressing roller (9) to squeeze the cup tube (7) and the cup bottom (8) through the pushing structure; A fixing structure is provided on the pushing structure, and is used to position the pressing roller (9) through the fixing structure.

2. The bottom rolling device of a paper cup forming machine according to claim 1, characterized in that: The pushing structure includes a shaft cylinder (10), a slider (11), and a push spring (12). The shaft cylinder (10) is rotatably mounted on the center of the pressure roller (9), the slider (11) is fixedly mounted on the outer wall of the shaft cylinder (10), and the push spring (12) is fixedly mounted on one side of the slider (11).

3. The bottom rolling device of a paper cup forming machine according to claim 2, characterized in that: The workbench (1) is provided with a guide groove, a slider (11) is slidably installed in the guide groove, and a push spring (12) is fixedly installed on one side of the guide groove.

4. The bottom rolling device of a paper cup forming machine according to claim 3, characterized in that: The fixed structure comprises a spur gear rod (14), a spur gear rack (15), a fixed block (16), and a spring (17). The spur gear rod (14) is slidably mounted on the top and bottom of the shaft cylinder (10), the spur gear rack (15) is fixedly mounted on the bottom of the workbench (1), one end of the spur gear rod (14) is engaged with the spur gear rack (15), the fixed block (16) is fixedly mounted on the outer wall of the spur gear rod (14), the spring (17) is sleeved on the outer wall of the spur gear rod (14), and the bottom of the fixed block (16) is fixedly mounted on the top of the spring (17).

5. The bottom rolling device of a paper cup forming machine according to claim 4, characterized in that: An L-shaped pull rod (13) is slidably installed on one side of the workbench (1), one end of the L-shaped pull rod (13) extends into the guide groove, and one end of the L-shaped pull rod (13) is fixedly installed on one side of the slider (11), and a push spring (12) is sleeved on the outer wall of the L-shaped pull rod (13).

6. The bottom rolling device of a paper cup forming machine according to claim 5, characterized in that: A push rod (18) is slidably mounted on the outer wall of the L-shaped pull rod (13). The push rod (18) is provided with a movable groove, and the other end of the straight tooth rod (14) is slidably mounted in the movable groove.

7. The bottom rolling device of a paper cup forming machine according to claim 6, characterized in that: The bottom of the pressing roller (9) contacts the top of the supporting plate (6).

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