Paper cup bottom distance adjustable pressing device

Abstract

A paper cup bottom distance adjustable pressing device comprises a rotating disc, a plurality of cup molds are evenly distributed on the rotating disc, cup bodies are arranged on the side walls of the cup molds in a sleeved mode, and cup bottoms are arranged in the cup molds. A fixing plate is fixed above the rotating disc, a lever is hinged to the fixing plate, one end of the lever is hinged to the air cylinder, the other end of the lever is hinged to the support, the two ends of the support are in sliding fit with the fixing plate, multiple sets of through holes are formed in the lower end of the support, a nut is fixed to each through hole, and a pressing rod is in threaded connection with each nut. According to the paper cup bottom distance adjustable pressing device, the cup bottom can be pressed down in place step by step.

Description

Technical Field

[0001] The utility model relates to paper cup processing equipment, in particular to a paper cup bottom distance-adjustable downward pressing device. Background Art

[0002] The processing of disposable paper cups includes the following steps: the first step is to process the paper cup body into a conical cylinder structure with upper and lower openings; the second step is to punch out the bottom of the cup and put it into the cup body; the third step is to heat-seal the bottom of the cup and the cup body into one; the fourth step is to flange the top of the cup body.

[0003] When the bottom of the cup enters the cup body, since there is a certain distance between the bottom of the cup and the bottom of the cup body, the bottom of the cup needs to be pressed down to a suitable position before heat sealing and knurling can be performed. Patents such as "A paper cup bottom forming machine" with application number "202010596778.9" and "A cup bottom forming mold for a high-speed paper cup machine" with application number "202210231989.1" are all cup bottom forming equipment. Patents such as "Cup bottom paper cutting and feeding mechanism for high-speed paper cup machine" with application number "201220068634.7" and "Cup bottom rolling sealing mechanism of radial push knurling wheel of paper cup machine" with application number "201420578790.7" involve cutting and rolling of the cup bottom, and do not involve the positioning problem before heat sealing of the cup body and the cup bottom. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a paper cup bottom distance adjustable pressing device, which can gradually press down the cup bottom while the cup mold rotates intermittently, so that the cup bottom is in place, ensuring reliable connection with the cup body after hot pressing and knurling, and good sealing.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A downward pressing device with adjustable bottom distance for paper cups comprises a turntable on which a plurality of cup molds are evenly distributed, a cup body is sleeved on the side wall of the cup mold, and a cup bottom is arranged inside the cup mold; a fixing plate is fixed above the turntable, a lever is arranged on the fixing plate, one end of the lever is hinged to a lever cylinder and the other end is hinged to a bracket, both ends of the bracket are slidably matched with the fixing plate, a plurality of through holes are arranged at the lower end of the bracket, a nut is fixed at each through hole, and a pressure rod is threadedly connected to the nut.

[0007] The pressure rods are divided into three groups, and the three groups of pressure rods are located above the corresponding cup molds and gradually extend along the rotation direction of the turntable.

[0008] A top plate is arranged in the cup mold, the upper end of the top plate is connected to a push rod, a compression spring is sleeved on the push rod, and the compression spring is limited by a cross bar and pushes the push rod upward.

[0009] The utility model discloses a paper cup bottom distance adjustable downward pressing device, which has the following technical effects:

[0010] 1) By using three sets of pressing rods, the bottom of the cup in intermittent operation can be gradually pressed down into place, making it convenient for the bottom of the cup to be heat-sealed or knurled with the cup body.

[0011] 2) By adopting the lever cylinder + lever + bracket combination, the bracket can be moved up and down repeatedly to provide power for downward pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0013] Figure 1 It is a simplified diagram of the utility model.

[0014] Figure 2 This is a structural schematic diagram of the lower pressure mechanism in the utility model (first perspective).

[0015] Figure 3 This is a structural schematic diagram of the downward pressure mechanism in the utility model (second viewing angle).

[0016] Figure 4 This is a schematic diagram of the first state of the medium cup mold of the utility model.

[0017] Figure 5 This is a schematic diagram of the second state of the medium cup mold of the present invention.

[0018] Figure 6 It is the front view of the lower pressing mechanism in the utility model.

[0019] In the figure: turntable 1, cup mold 2, cup body 3, cup bottom 4, fixing plate 5, lever 6, lever cylinder 7, bracket 8, waist hole 8.1, through hole 9, nut 10, pressure rod 11, top plate 12, top rod 13, compression spring 14, cross bar 15. DETAILED DESCRIPTION

[0020] like Figure 1-4 As shown, a paper cup bottom distance adjustable downward pressing device comprises a turntable 1 set in the prior art, and 10 groups of cup molds 2 are evenly distributed circumferentially on the turntable 1. The outer wall of the cup mold 2 is covered with a cup body 3, and the lower end of the cup body 3 partially exceeds the cup mold 2. A cup bottom 4 is provided at the bottom of the cup mold 2, and the edge of the cup bottom 4 is folded down and pressed against the inner wall of the cup mold 2 to avoid downward separation. Since the distance between the cup bottom 4 and the bottom of the cup body 3 exceeds the distance of the edge sealing, the cup bottom 4 needs to be pressed downward to a suitable position.

[0021] like Figure 2-3As shown, in order to achieve the extrusion in place, a fixed plate 5 is fixed above the turntable 1, and a lever cylinder 7 is installed on the fixed plate 5. The lever cylinder 7 is hinged with a connecting rod at a short distance on one side of the ordinary cylinder body. The output end of the lever cylinder 7 and the connecting rod are both hinged with the lever 6. The pin at the other end of the lever 6 is slidably matched with the waist hole 8.1 at the upper end of the bracket 8 and can rotate relative to the waist hole 8.1. The bracket 8 includes an upper connecting plate, and the upper connecting plate is fixed with guide rods on the left and right, and the guide rods are slidably matched with the fixed plate 5 through linear bearings. The lower ends of the two guide rods are connected to the lower connecting plate at the bottom of the fixed plate 5. The lower connecting plate is T-shaped, and three groups of through holes 9 are opened on the lower connecting plate corresponding to the cup mold 2 station. A nut 10 is welded at the bottom of each through hole 9, and the pressure rod 11 is threadedly connected with the nut 10, which is convenient for adjusting the length of the pressure rod 11. In order to achieve gradual downward pressure, the three groups of pressure rods 11 gradually become longer along the rotation direction of the turntable 1. The three groups of pressing rods 11 correspond to the three groups of cup molds 2. During the intermittent rotation of the cup molds 2, the three groups of pressing rods 11 gradually press the cup bottom 4 in the cup molds 2 down to the correct position.

[0022] like Figure 4-5 As shown, the cup mold 2 is provided with a top plate 12, and the top plate 12 is evenly distributed with through holes, which is convenient for pressing down and avoiding adsorption with the cup bottom 4. A groove is provided at the lower end of the top plate 12, and when pressing down, the groove can shape the cup bottom 4 to avoid turning up. The upper end of the top plate 12 is connected to a push rod 13, and the top end of the push rod 13 is a large head. A compression spring 14 is sleeved on the push rod 13 at the lower end of the large head, and the lower end of the compression spring 14 is limited by a cross bar 15 in the cup mold 2. Under normal circumstances, the compression spring 14 is upward and pushes the push rod 13 upward.

[0023] Working process and principle:

[0024] When a cup mold 2 is facing the first group of pressure rods 11 (the shortest one), the lever cylinder 7 extends, one end of the bracket 8 moves down, the first group of pressure rods 11 moves down, squeezes the push rod 13, the push rod 13 drives the top plate 12 to move down, and the top plate 12 drives the cup bottom 4 to move down a short distance. After pressing down, the lever cylinder 7 retracts and returns to its original position, the pressure rod 11 and the push rod 13 are separated, and under the action of the compression spring 14, the top plate 12 is reset.

[0025] When the cup mold 2 rotates with the turntable 1 to below the second set of pressure rods 11, the second set of pressure rods 11 (the length extending out of the nut 10 is centered) presses down, continuing to drive the cup bottom 4 to move down a short distance, and then the top plate 12 is reset.

[0026] When the cup mold 2 rotates with the turntable 1 to below the third group of pressure rods 11 (the longest), the lever cylinder 7 extends, and the cup bottom 4 continues to move down a short distance before reaching its position.

Claims

1. A paper cup bottom distance adjustable downward pressing device, comprising a turntable (1), a plurality of cup molds (2) are evenly distributed on the turntable (1), a cup body (3) is sleeved on the side wall of the cup mold (2), and a cup bottom (4) is arranged inside the cup mold (2); the characteristics are: A fixing plate (5) is fixed above the turntable (1), and a lever (6) is arranged on the fixing plate (5). One end of the lever (6) is hinged to the lever cylinder (7), and the other end is hinged to the bracket (8). Both ends of the bracket (8) are slidably matched with the fixing plate (5). A plurality of through holes (9) are arranged at the lower end of the bracket (8), and a nut (10) is fixed at each through hole (9). A pressure rod (11) is threadedly connected to the nut (10).

2. The paper cup bottom distance adjustable downward pressing device according to claim 1, characterized in that: The pressure rods (11) are divided into three groups. The three groups of pressure rods (11) are located above the corresponding cup molds (2) and gradually extend along the rotation direction of the turntable (1).

3. The paper cup bottom distance adjustable downward pressing device according to claim 1, characterized in that: A top plate (12) is provided in the cup mold (2), the upper end of the top plate (12) is connected to a top rod (13), a compression spring (14) is sleeved on the top rod (13), and the compression spring (14) is limited by a cross bar (15) and pushes the top rod (13) upward.

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