Bottom sealing mechanism for square paper cup

Abstract

The utility model relates to the technical field of paper cup production, and discloses a bottom sealing mechanism for square paper cups, which comprises a workbench, a mounting groove is formed in the middle of the top end of the workbench, a motor is fixedly connected to the bottom of the inner wall of the mounting groove, the output end of the motor is fixedly connected with a turntable, and a circular groove is formed in the middle of the top end of the turntable. A first telescopic rod is fixedly connected to the bottom of the inner wall of the circular groove, a lower mold is fixedly connected to the top end of the first telescopic rod, a heating frame is fixedly connected to the top of the inner wall of the first telescopic rod, and a mechanical arm is fixedly connected to the left side of the top end of the workbench. According to the square cup, the lower die extends out to drive the cup body and the cup bottom to be removed from the heating frame, the rolling wheels extrude the cup body and the cup bottom on the outer side of the lower die, under the action of the springs, the rolling wheels can tightly extrude the four corners of the cup body in the rotating process of the square cup, and therefore it is guaranteed that the cup body and the cup bottom are tightly combined after press fit.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper cup production technical field especially, relate to a bottom sealing mechanism for square paper cup. BACKGROUND

[0002] Paper cup is the indispensable tool in people's daily life, in the family, office, school and public place, disposable paper cup can be obtained and use at any time, since some paper cups are square, therefore need to use a bottom sealing mechanism for square paper cup when sealing bottom.

[0003] The bottom sealing mechanism for square paper cup is a kind of mechanism, which can press the paperboard into a square shape, then combine the cup body and the cup bottom, and make the cup body and the cup bottom tightly joint through processing, so as to achieve the purpose of loading water for the consumer.

[0004] At present, the bottom sealing mechanism for common square paper cup mainly consists of a mechanical arm, a template and a reverse wrapping drum. After the template presses the cup bottom, the reverse wrapping drum is started, and the reverse wrapping drum inflates and extrudes the cup bottom to make the cup bottom adhere to the cup body. Since the reverse wrapping drum cannot completely fill the four corners of the square paper cup after inflation and reverse wrapping, it will cause uneven adhesion and water leakage of the paper cup during use. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a bottom sealing mechanism for square paper cup, which aims to improve the problem that the reverse wrapping drum cannot completely fill the four corners of the square paper cup, thus causing uneven adhesion and water leakage of the paper cup during use.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a bottom sealing mechanism for square paper cup, comprising a workbench, a mounting groove is formed in the top middle part of the workbench, a motor is fixedly connected to the inner wall bottom of the mounting groove, the output end of the motor is fixedly connected with a turntable, a circular groove is formed in the top middle part of the turntable, a telescopic rod one is fixedly connected to the inner wall bottom of the circular groove, a lower mold is fixedly connected to the top end of the telescopic rod one, a heating frame is fixedly connected to the inner wall top of the telescopic rod one, a mechanical hand is fixedly connected to the top left side of the workbench, an upper mold is fixedly connected to the right end bottom of the mechanical hand, pneumatic rods are fixedly connected to the top front and back sides of the workbench, hollow pipes are fixedly connected to the outputs of the two pneumatic rods, connecting rods are slidably connected to the inner walls of the hollow pipes, springs are arranged on the outer sides of the connecting rods, the left ends of the springs are fixedly connected to the hollow pipes, mounting seats are fixedly connected to the adjacent sides of the two connecting rods, rollers are rotatably connected to the inner sides of the mounting seats, a picking mechanism is arranged on the top front side of the workbench, and the picking mechanism is used for picking paper cups.

[0007] As a further description of the above technical solutions:

[0008] The picking mechanism comprises two fixed seats fixedly connected to the top of the workbench at the left and right sides of the front end, a rotating rod rotatably connected between the two fixed seats, a gear fixedly connected to the right end of the rotating rod and penetrating through the fixed seat, a second telescopic rod fixedly connected to the right side of the top of the workbench, a toothed plate fixedly connected to the front end of the second telescopic rod, the toothed plate being engaged with the gear, an air suction pump fixedly connected to the front end of the rotating rod, and a sorting box slidably connected to the front side of the outer wall of the workbench.

[0009] As a further description of the above technical solutions:

[0010] The top right side of the mechanical hand is fixedly connected with a mounting box, and the inner wall of the mounting box is fixedly connected with an alarm lamp.

[0011] As a further description of the above technical solutions:

[0012] The outer wall of each of the two rollers is provided with a reserved groove, and the inner wall of the reserved groove is fixedly connected with an anti-skid sleeve.

[0013] As a further description of the above technical solutions:

[0014] The bottom of the workbench is fixedly connected with support legs around the periphery, and the bottom of each of the support legs is fixedly connected with a foot base, and the outer wall of the foot base is provided with mounting holes around the periphery.

[0015] As a further description of the above technical solutions:

[0016] The inner wall of the sorting box is provided with a sliding groove one at the left and right sides, and the inner wall of the sliding groove one is slidably connected with a sliding plate.

[0017] As a further description of the above technical solutions:

[0018] The bottom of the toothed plate is fixedly connected with a sliding strip, the right side of the top of the workbench is provided with a sliding groove two, the sliding strip is slidably connected with the sliding groove two, and the top of the sliding strip is fixedly connected with the toothed plate.

[0019] As a further description of the above technical solutions:

[0020] The right side of the outer wall of the workbench is fixedly connected with a controller, and the controller is electrically connected with the motor, the first telescopic rod, the mechanical hand, the pneumatic rod, the second telescopic rod and the air suction pump.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a cup bottom shape can be extruded through upper mould and lower mould, the cup body and cup bottom are removed from the heating frame through the lower mould extension, the hollow tube is driven to the cup body and cup bottom outside the lower mould extrusion through the pneumatic rod extension driving the gyro wheel, under the action of spring, the square cup can be extruded the four corners of cup body closely in the process of rotation, thereby guarantee that the cup body and cup bottom after pressing fit are strictly jointed, satisfy the use of consumer.

[0023] 2. The utility model discloses after the bottom of paper cup is sealed, start telescopic link no. 2 drive the toothed plate forward movement, when the toothed plate forward movement, meshing transmission drive gear and rotating rod rotation, make the air pump close paper cup, through the air pump constantly inhale and adsorb paper cup, telescopic link no. 2 retract the direction of reversing air pump so that paper cup is located the just above of the sorting box, at this time, the air pump stops working, paper cup falls to the sorting box under the action of gravity, through constantly repeating this step, can paper cup is covered in the sorting box. DRAWINGS

[0024] Figure 1 It is a perspective view of the bottom sealing mechanism for square paper cup that the utility model proposes;

[0025] Figure 2 It is a front view of the bottom sealing mechanism for square paper cup that the utility model proposes;

[0026] Figure 3 It is a partial structure split drawing of the bottom sealing mechanism for square paper cup that the utility model proposes;

[0027] Figure 4 It is Figure 3 the enlarged view of A place of

[0028] Figure 5 It is the pickup mechanism schematic drawing of the bottom sealing mechanism for square paper cup that the utility model proposes.

[0029] LEGEND:

[0030] 1, workbench, 2, pickup mechanism, 201, fixed seat, 202, rotating rod, 203, gear, 204, telescopic link no. 2, 205, toothed plate, 206, air pump, 207, sorting box, 3, installation groove, 4, motor, 5, carousel, 6, circular groove, 7, telescopic link no. 1, 8, lower mould, 9, heating frame, 10, manipulator, 11, upper mould, 12, pneumatic rod, 13, hollow tube, 14, connecting rod, 15, spring, 16, mounting seat, 17, gyro wheel, 18, installation box, 19, alarm lamp, 20, reserved slot, 21, antiskid sleeve, 22, support leg, 23, foot stand, 24, mounting hole, 25, sliding slot no. 1, 26, sliding plate, 27, sliding slot no. 2, 28, slide strip, 29, controller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of bottom sealing mechanism for square paper cup, including workbench 1, the top end middle part of workbench 1 is equipped with installation slot 3, the inner wall bottom of installation slot 3 is fixedly connected with motor 4, the output of motor 4 is fixedly connected with carousel 5, start motor 4 can drive carousel 5 rotation, the top end middle part of carousel 5 is equipped with circular slot 6, the inner wall bottom of circular slot 6 is fixedly connected with telescopic link one 7, the top end of telescopic link one 7 is fixedly connected with lower mould 8, by telescopic link one 7 can drive lower mould 8 to move up and down, so that cup bottom can be exposed to facilitate and cup body are extruded and fitted, the inner wall top of telescopic link one 7 is fixedly connected with heating frame 9, heating frame 9 and lower mould 8 between gap, the top end left side of workbench 1 is fixedly connected with mechanical hand 10, the right end bottom of mechanical hand 10 is fixedly connected with upper mould 11, by mechanical hand 10 can drive upper mould 11 to move down and insert into the gap between lower mould 8 and heating frame 9, the top front and back side of workbench 1 is fixedly connected with pneumatic rod 12, the output of two pneumatic rods 12 is fixedly connected with hollow tube 13, the inner wall of hollow tube 13 is slidably connected with connecting rod 14, spring 15 is arranged on the outside of connecting rod 14, the left end of spring 15 is fixedly connected with hollow tube 13, the adjacent side of two connecting rods 14 is fixedly connected with mounting seat 16, by spring 15 extrusion mounting seat 16, can make mounting seat 16 extend, mounting seat 16 can also be retracted by the elasticity of spring 15 under the extrusion of external force, the inner side of mounting seat 16 is rotatably connected with gyro wheel 17, gyro wheel 17 is used to press the junction of cup body and cup bottom, the top front side of workbench 1 is provided with pickup mechanism 2, and pickup mechanism 2 is used to pick up paper cup;

[0033] Specifically, the workbench 1 serves as a working platform of the whole device, provides a mounting base for other components, and places the sheet into the middle of the top end of the rotating disc 5. The upper mold 11 is driven by the mechanical arm 10 to move downward to extrude the sheet. Since the four walls of the upper mold 11 are equal to the gap between the lower mold 8 and the heating frame 9, when the mechanical arm 10 moves downward to extrude the sheet, the four walls of the sheet are extruded into the gap between the lower mold 8 and the heating frame 9. At this time, the bottom of the cup is formed and tightly attached to the top of the lower mold 8. The heating frame 9 heats the bottom of the cup to soften the glue around the bottom of the cup. At this time, the mechanical arm 10 drives the upper mold 11 to move away, and the cup body is inserted into the gap between the lower mold 8 and the heating frame 9 to make the cup body contact with the cup bottom. Under the action of the glue, the cup body and the cup bottom can be preliminarily fixed. The telescopic rod one 7 is started to drive the lower mold 8 to move upward. The lower mold 8 moves upward while driving the cup body and the cup bottom to move upward. The pneumatic rod 12 is started to drive the hollow tube 13 to extend, so that the roller 17 is attached to the outside bottom of the cup body. The motor 4 is started to drive the rotating disc 5 to rotate. The rotating disc 5 rotates while driving the cup body and the cup bottom to rotate synchronously. Since the bottom of the cup bottom has the lower mold 8, the roller 17 can extrude the four corners of the cup body and the cup bottom without damaging the shape of the paper cup. The connecting rod 14 and the hollow tube 13 are slidingly connected, and the spring 15 is connected between the hollow tube 13 and the mounting seat 16. When the roller 17 extrudes the paper cup in the extrusion direction, the distance between the roller 17 and the square paper cup changes constantly with the rotation of the square paper cup. The spring 15 can be freely contracted to ensure that the roller 17 is always attached to the four corners of the cup body and the cup bottom during the extrusion process, so as to ensure that there is no dead angle in the extrusion process and there is no gap between the cup bottom and the cup body.

[0034] With reference to Figure 1 , Figure 2 and Figure 5 , the picking mechanism 2 comprises two fixed seats 201, which are fixedly connected to the top front end and left and right sides of the workbench 1 respectively. The adjacent two fixed seats 201 are rotationally connected with a rotating rod 202. The right end of the rotating rod 202 penetrates through the fixed seat 201 and is fixedly connected with a gear 203. The top right side of the workbench 1 is fixedly connected with a telescopic rod two 204. The front end of the telescopic rod two 204 is fixedly connected with a toothed plate 205, which is meshingly connected with the gear 203. The telescopic rod two 204 is extended to drive the toothed plate 205 to move forward and backward, and at the same time, the rotating rod 202 is driven to rotate through meshing transmission. The front end of the rotating rod 202 is fixedly connected with a suction pump 206. Since the paper cup is light in weight, the suction pump 206 can adsorb the paper cup. The outer wall front side of the workbench 1 is slidingly connected with a sorting box 207, which is used for storing square paper cups.

[0035] Specifically, after the completion of the paper cup bottom sealing, the telescopic rod two 204 drives the tooth plate 205 to move forward, and the tooth plate 205 is engaged with the transmission gear to drive the gear 203 to rotate while moving forward, the gear 203 drives the rotating rod 202 to rotate, when the gear 203 rotates 180 degrees, the suction pump 206 is started, and the suction pump 206 can adsorb the paper cup by continuously inhaling, then the telescopic rod two 204 is retracted, the gear 203 is engaged with the transmission gear to drive the rotating rod 202 to rotate 180 degrees, and the paper cup is located above the sorting box 207, at this time the suction pump 206 stops working, the paper cup falls into the sorting box 207 under the action of gravity, by continuously repeating the step, the paper cup can be sleeved in the sorting box 207.

[0036] With reference to Figure 1 , Figure 2 and Figure 4 , the top right side of the mechanical hand 10 is fixedly connected with a mounting box 18, the inner wall of the mounting box 18 is fixedly connected with an alarm lamp 19, the alarm lamp 19 is mainly used for issuing a warning signal when the bottom sealing mechanism appears an abnormal condition; the outer wall of each of the two rollers 17 is provided with a reserved slot 20, the inner wall of the reserved slot 20 is fixedly connected with an anti-skid sleeve 21, and the anti-skid sleeve 21 can significantly increase the friction between the roller 17 and the side surface of the square paper cup; the bottom of the workbench 1 is fixedly connected with support legs 22 around, the bottom of each of the plurality of support legs 22 is fixedly connected with a foot base 23, the outer wall of the foot base 23 is provided with mounting holes 24 around, and the mounting holes 24 provided around the outer wall of the foot base 23 are used for fixing the bottom sealing mechanism on the ground;

[0037] Specifically, the alarm lamp 19 in the mounting box 18 is mainly used for issuing a warning signal when the bottom sealing mechanism appears an abnormal condition, reminding the operator to pay attention in time and take corresponding measures; the anti-skid sleeve 21 in the reserved slot 20 can significantly increase the friction between the roller 17 and the side surface of the square paper cup; the support legs 22 around the bottom of the workbench 1 mainly play a role in supporting the entire bottom sealing mechanism, and the mounting holes 24 provided around the outer wall of the foot base 23 are used for fixing the bottom sealing mechanism on the ground.

[0038] With reference to Figure 1 , Figure 2 and Figure 5The inner wall of the sorting box 207 is provided with a sliding groove 25 on the left and right sides, and the inner wall of the sliding groove 25 is slidably connected with a sliding plate 26. When the paper cups in the sorting box 207 are full, the folded paper cups can be quickly taken out by sliding the sliding plate 26 upward. The bottom of the toothed plate 205 is fixedly connected with a sliding groove 27, and the top right side of the workbench 1 is provided with a sliding strip 28. The sliding strip 28 is slidably connected with the sliding groove 27, the top of the sliding strip 28 is fixedly connected with the toothed plate 205, and the sliding groove 27 is slidably connected with the sliding strip 28 on the top right side of the workbench 1, thereby providing an accurate track for the movement of the toothed plate 205. The outer wall of the workbench 1 is fixedly connected with a controller 29, and the controller 29 is electrically connected with the motor 4, the telescopic rod 7, the mechanical hand 10, the pneumatic rod 12, the telescopic rod 204 and the air suction pump 206, thereby realizing centralized control of the key components.

[0039] Specifically, when the paper cups in the sorting box 207 are full, the folded paper cups can be quickly taken out by sliding the sliding plate 26 upward, and the sliding strip 28 on the bottom of the toothed plate 205 is slidably connected with the sliding groove 27 on the top right side of the workbench 1, thereby providing an accurate track for the movement of the toothed plate 205. The controller 29 is electrically connected with the motor 4, the telescopic rod 7, the mechanical hand 10, the pneumatic rod 12, the telescopic rod 204 and the air suction pump 206, thereby realizing centralized control of the key components.

[0040] Working principle: before using the device, first, the workbench 1 as the working platform of the whole device, provides the installation foundation for other components, the paper sheet is placed in the top middle part of the turntable 5, the upper mold 11 is driven by the mechanical hand 10 to move downward to extrude the paper sheet, when the mechanical hand 10 moves downward to extrude the paper sheet, the periphery of the paper cup is extruded into the gap between the lower mold 8 and the heating frame 9, at this time, the bottom of the paper cup is formed and closely attached to the top of the lower mold 8, the heating frame 9 heats the bottom of the cup, so that the glue around the cup bottom softens, the upper mold 11 moves away, the cup body is inserted into the gap between the lower mold 8 and the heating frame 9, so that the cup body and the cup bottom contact, under the action of the glue, the cup body and the cup bottom can be preliminarily fixed, the lower mold 8 is driven by the telescopic rod 1 to move upward, the lower mold 8 moves upward while driving the cup body and the cup bottom to move upward, the roller 17 is started to be attached to the outside bottom of the cup body by the pneumatic rod 12, the motor 4 drives the turntable 5 to rotate, the turntable 5 rotates while driving the cup body and the cup bottom to rotate synchronously, because the bottom of the cup bottom has the lower mold 8, the roller 17 can extrude the four corners of the cup body and the cup bottom without damaging the shape of the paper cup, the connecting rod 14 and the hollow tube 13 are slidingly connected, and the spring 15 is connected between the hollow tube 13 and the mounting seat 16, so that when the roller 17 extrudes the square paper cup, the distance between the roller 17 and the square paper cup changes constantly, the spring 15 can be freely contracted, so that the roller 17 is always attached to the four corners of the cup body and the cup bottom during the extrusion process, ensuring that there is no dead angle in the extrusion process, and ensuring that there is no gap between the cup bottom and the cup body; and after the bottom of the paper cup is sealed, the telescopic rod 2 is started to drive the toothed plate 205 to move forward, the toothed plate 205 moves forward while engaging the transmission to drive the gear 203 to rotate, the gear 203 rotates to drive the rotating rod 202 to rotate, when the gear 203 rotates 180 degrees, the suction pump 206 is started, the paper cup can be adsorbed by the suction pump 206 constantly sucking air, then the telescopic rod 2 is retracted, the gear 203 and the rotating rod 202 are rotated 180 degrees by the engagement transmission, the paper cup is located above the sorting box 207, at this time, the suction pump 206 stops working, the paper cup falls into the sorting box 207 under the action of gravity, by constantly repeating the step, the paper cup can be sleeved in the sorting box 207.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A bottom sealing mechanism for square paper cups, comprising a worktable (1), characterized in that: The top end middle part of the workbench (1) is provided with a mounting groove (3), the inner wall bottom of the mounting groove (3) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a rotating disc (5), the top end middle part of the rotating disc (5) is provided with a circular groove (6), the inner wall bottom of the circular groove (6) is fixedly connected with a telescopic rod one (7), the top end of the telescopic rod one (7) is fixedly connected with a lower mold (8), the inner wall top of the telescopic rod one (7) is fixedly connected with a heating frame (9), the top left side of the workbench (1) is fixedly connected with a mechanical hand (10), the right end bottom of the mechanical hand (10) is fixedly connected with an upper mold (11), the top front and back sides of the workbench (1) are fixedly connected with pneumatic rods (12), the output ends of the two pneumatic rods (12) are fixedly connected with hollow pipes (13), the inner wall of the hollow pipe (13) is slidably connected with connecting rods (14), the outer side of the connecting rod (14) is provided with a spring (15), the left end of the spring (15) is fixedly connected with the hollow pipe (13), the adjacent sides of the two connecting rods (14) are fixedly connected with mounting seats (16), the inner side of the mounting seat (16) is rotatably connected with rollers (17), the top front side of the workbench (1) is provided with a picking mechanism (2), and the picking mechanism (2) is used for picking paper cups.

2. A bottom sealing mechanism for square paper cups as claimed in claim 1, wherein: The picking mechanism (2) comprises two fixed seats (201), the two fixed seats (201) are fixedly connected to the top front end left and right sides of the workbench (1), a rotating rod (202) is rotatably connected between the two fixed seats (201), the right end of the rotating rod (202) penetrates through the fixed seat (201) and is fixedly connected with a gear (203), a telescopic rod two (204) is fixedly connected to the top right side of the workbench (1), a gear plate (205) is fixedly connected to the front end of the telescopic rod two (204), the gear plate (205) is meshedly connected with the gear (203), an air suction pump (206) is fixedly connected to the front end of the rotating rod (202), and a sorting box (207) is slidably connected to the front side of the outer wall of the workbench (1).

3. A bottom sealing mechanism for square paper cups as claimed in claim 1 wherein: The top right side of the mechanical hand (10) is fixedly connected with a mounting box (18), and the inner wall of the mounting box (18) is fixedly connected with an alarm lamp (19).

4. A bottom sealing mechanism for square paper cups as claimed in claim 1 wherein: The outer walls of the two rollers (17) are provided with a reserved groove (20), and the inner wall of the reserved groove (20) is fixedly connected with an anti-skid sleeve (21).

5. A bottom sealing mechanism for square paper cups as claimed in claim 1 wherein: The bottom of the workbench (1) is fixedly connected with support legs (22) around, and the bottoms of the plurality of support legs (22) are fixedly connected with foot seats (23), and the outer walls of the foot seats (23) are provided with mounting holes (24) around.

6. A bottom sealing mechanism for square paper cups as claimed in claim 2 wherein: The inner walls of the sorting box (207) are provided with sliding grooves one (25) on the left and right sides, and the inner walls of the sliding grooves one (25) are slidably connected with sliding plates (26).

7. A bottom sealing mechanism for square paper cups as claimed in claim 2 wherein: The bottom of the toothed plate (205) is fixedly connected with a sliding bar (28), the top right side of the workbench (1) is provided with a second sliding groove (27), the sliding bar (28) is in sliding connection with the second sliding groove (27), and the top of the sliding bar (28) is fixedly connected with the toothed plate (205).

8. A bottom sealing mechanism for square paper cups as claimed in claim 1 wherein: The outer wall right side of the workbench (1) is fixedly connected with a controller (29), and the controller (29) is electrically connected with the motor (4), the first telescopic rod (7), the mechanical arm (10), the pneumatic rod (12), the second telescopic rod (204) and the air suction pump (206) respectively.

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