Automatic assembling machine for plastic bottle caps

Abstract

The utility model discloses an automatic assembling machine for plastic bottle caps, and relates to the field of plastic bottle processing. The rotary drum is rotatably mounted at the upper end of the box body, the rotary clamping arm is arranged on one side of the rotary drum and has negative pressure suction force, the rotary clamping arm comprises a mounting frame, the mounting frame is fixedly mounted on two sides of the upper end of the box body, the rotary drum is rotatably mounted between the mounting frame, and the rotary drum is rotatably mounted between the mounting frame and the rotary clamping arm. Hydraulic cylinders distributed in an annular array mode are arranged on the outer wall of the rotary drum, and the clamping arms and the hydraulic cylinders have an acting relation. According to the device, the exhaust inlets are formed in the lower ends of the clamping arms, so that bottle caps cannot fall off when the clamping arms loosen the bottle caps, the bottle cap installation stability is improved, and the problems that an existing bottle cap installation device lacks an effective bottle cap falling protection effect, the bottle caps fall off everywhere when a machine breaks down, and the service life of the bottle caps is prolonged are solved. And the normal operation is seriously influenced.

Description

Technical Field

[0001] The utility model relates to the field of plastic bottle processing, in particular to an automatic assembly machine for plastic bottle caps. Background Art

[0002] The function of the automatic bottle cap assembly machine is to use an assembly line to screw the caps on the plastic bottles that pass through one by one.

[0003] A Chinese patent discloses an automatic assembly device for bottle caps (authorization announcement number CN218800257U), which mainly includes a frame, an upper turntable, a lower turntable, a driving motor and a capping unit. The upper turntable and the lower turntable are arranged on the frame in a horizontal direction from top to bottom, the driving motor is arranged at the bottom of the frame and is coaxially connected with the upper turntable and the lower turntable, the outer edge of the upper turntable is provided with a plurality of first card slots at equal intervals, the outer edge of the lower turntable is provided with a plurality of second card slots at equal intervals, and the capping unit is arranged on one side of the frame and located above the upper turntable. The automatic assembly device for bottle caps transmits the inner cover and the outer cover of the bottle cap to the bottom of the capping unit through the upper turntable and the lower turntable respectively, and the capping unit presses the inner cover into the outer cover to complete the assembly of the bottle cap; the device has a simple structure, can complete the assembly of the bottle cap through fewer work processes, and has high production efficiency.

[0004] However, there are still some shortcomings in this patent. Although the bottle cap assembly effect can be achieved during use, the defect is that the existing bottle cap installation device lacks effective bottle cap falling protection effect, resulting in bottle caps falling everywhere when the machine fails, seriously affecting the normal operation. In view of this, we propose a plastic bottle cap automatic assembly machine to solve the above problem. Utility Model Content

[0005] 1. Technical solution

[0006] In order to solve the above technical problems, the utility model is implemented through the following technical solutions.

[0007] When the device is in use, the bottle caps are transported from the upper end of the clamping arm by an external conveying machine, and one end of the rotatable clamping arm can fix the bottle caps to be fixed. After fixing, in order to prevent the bottle caps from falling, the negative pressure machine is started, and the upper surface of the bottle caps is fitted with the suction port. The principle of negative pressure is used to ensure that the bottle caps will not fall when the clamping arm is loosened, so as to reduce the possibility that the clamping arm is accidentally loosened when the bottle caps are not aligned with the bottle mouth, causing the bottle caps to fall. The conveyor belt can continuously transport the bottles that need to tighten the bottle caps, and cooperate with the rotating clamping arm to achieve a fast and efficient bottle cap assembly effect.

[0008] The utility model relates to an automatic plastic bottle cap assembling machine, which comprises a box body, a rotating cylinder rotatably installed at the upper end of the box body, and a clamping arm rotatably arranged on one side of the rotating cylinder with negative pressure suction. It includes a mounting frame, the mounting frame is fixedly installed on both sides of the upper end of the box body, the rotating cylinder is rotatably installed between the mounting frames, and hydraulic cylinders are arranged on the outer wall of the rotating cylinder in an annular array distribution, and the clamping arms all have an acting relationship with the hydraulic cylinders.

[0009] Preferably, a base is arranged at the lower end of the box body, and a second motor is arranged on the outer wall of one side of the mounting frame. The output shaft of the second motor is fixedly connected with the rotation center on one side of the rotating cylinder. The base can increase the stability of the device and reduce the spread of noise to a certain extent. The second motor can drive the rotating cylinder to rotate, and cooperate with multiple clamping arms for the installation of the bottle cap;

[0010] Preferably, a conveyor belt is arranged at the upper end of the box body, a bottle body is arranged at the upper end of the conveyor belt, and a first motor is arranged on the outer wall of one side of the box body. The output shaft of the first motor is fixedly connected with the input shaft of the conveyor belt through a coupling;

[0011] The first motor can drive the conveyor belt to achieve the conveying effect of the bottle body;

[0012] Preferably, a hydraulic rod is arranged inside the hydraulic cylinder, a fixed frame is fixedly installed at one end of the hydraulic rod, and a mounting disc is arranged on one side of the fixed frame;

[0013] The hydraulic cylinder can drive the clamping arm to move back and forth;

[0014] Preferably, a third motor is arranged on one side of the mounting disc, a rotating shaft is arranged on the other side of the mounting disc, the clamping arm is fixedly installed at one end of the rotating shaft, and the output shaft of the third motor is fixedly connected with one end of the rotating shaft;

[0015] The third motor can drive the clamping arm to rotate, achieving the rotating installation effect of the bottle cap;

[0016] Preferably, a negative pressure machine is arranged on the outer wall of the clamping arm, an air suction port is arranged in the middle of the clamping arm, and a connecting pipe is arranged between the negative pressure machine and the air suction port. The negative pressure machine can achieve the negative pressure effect of the air suction port, and when the bottle cap contacts the lower end of the air suction port, it can ensure that the bottle cap will not fall off.

[0017] Compared with the prior art, the advantages of the utility model are as follows:

[0018] First, the utility model can accelerate the conveying and assembling effect of the bottle cap by rotating the clamping arm.

[0019] Second, based on the beneficial effect one, when assembling, the air suction port can retain the bottle cap on the upper end of the device when the clamping arm fails and will not fall off.

[0020] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three-dimensional schematic diagram of the present utility model;

[0022] Figure 2 is a front view schematic diagram of the present utility model;

[0023] Figure 3 is a side view schematic diagram of the present utility model;

[0024] Figure 4 is of the present utility model Figure 1 is an enlarged schematic diagram of structure A therein;

[0025] Figure 5 is of the present utility model Figure 1 is an enlarged schematic diagram of structure B therein.

[0026] Reference Signs:

[0027] 1, box body; 2, mounting rack; 3, bottle body; 4, base; 5, first motor; 6, second motor; 7, rotating cylinder; 8, conveyor belt; 9, mounting disc; 10, rotating shaft; 11, hydraulic cylinder; 12, hydraulic rod; 13, fixing rack; 14, clamping arm; 15, air suction port; 16, connecting pipe; 17, negative pressure machine; 18, third motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be given with reference to the accompanying drawings.

[0029] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0030] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When describing the embodiments of the present utility model in detail, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0031] To make the purpose, technical solution and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail with reference to the accompanying drawings.

[0032] Example 1

[0033] Please refer to Figures 1-5 As shown in the figure, this embodiment is an automatic plastic bottle cap assembling machine, which is characterized in that: a box body 1, a rotating cylinder 7 rotatably installed at the upper end of the box body 1, and a clamping arm 14 with negative pressure suction that can rotate and is arranged on one side of the rotating cylinder 7. It includes a mounting frame 2, and the mounting frame 2 is fixedly installed on both sides of the upper end of the box body 1. The rotating cylinder 7 is rotatably installed between the mounting frames 2. Hydraulic cylinders 11 are arranged on the outer wall of the rotating cylinder 7 in an annular array distribution. The clamping arms 14 all have an acting relationship with the hydraulic cylinders 11. One end of the rotatable clamping arm 14 can fix the bottle cap to be assembled. After fixing, in order to prevent the bottle cap from falling, the negative pressure machine 17 is started, and the upper surface of the bottle cap is attached to the air suction port 15. The principle of negative pressure is used to ensure that the bottle cap will not fall even when the clamping arm 14 is loosened, so as to reduce the accidental loosening of the clamping arm 14 when the bottle cap is not aligned with the bottle mouth, resulting in the bottle cap falling. The conveyor belt 8 can continuously convey the bottle body 3 that needs to have the bottle cap tightened, and cooperate with the rotating clamping arm 14 to achieve a fast and efficient bottle cap assembly effect.

[0034] A base 4 is arranged at the lower end of the box body 1. A motor two 6 is arranged on the outer wall of one side of the mounting frame 2. The output shaft of the motor two 6 is fixedly connected to the rotation center on one side of the rotating cylinder 7. The base 4 can increase the stability of the device and reduce the transmission of noise to a certain extent. The motor two 6 can drive the rotating cylinder 7 to rotate and cooperate with multiple clamping arms 14 for the installation of the bottle cap;

[0035] In this embodiment: the form of rotating the clamping arm 14 can be used to accelerate the conveying and assembling effect of the bottle cap.

[0036] Example 2

[0037] Please refer to Figures 1-5 As shown in the figure, this embodiment further includes on the basis of Example 1: a conveyor belt 8 is arranged at the upper end of the box body 1, a bottle body 3 is arranged at the upper end of the conveyor belt 8, a motor one 5 is arranged on the outer wall of one side of the box body 1, and the output shaft of the motor one 5 is fixedly connected to the input shaft of the conveyor belt 8 through a coupling. The motor one 5 can drive the conveyor belt 8 to achieve the conveying effect of the bottle body 3.

[0038] A hydraulic rod 12 is arranged inside the hydraulic cylinder 11. A fixed frame 13 is fixedly installed at one end of the hydraulic rod 12. A mounting disc 9 is arranged on one side of the fixed frame 13. The hydraulic cylinder 11 can drive the clamping arm 14 to move back and forth.

[0039] A motor three 18 is arranged on one side of the mounting disc 9, a rotating shaft 10 is arranged on the other side of the mounting disc 9, the clamping arm 14 is fixedly installed at one end of the rotating shaft 10, and the output shaft of the motor three 18 is fixedly connected to one end of the rotating shaft 10.

[0040] The motor three 18 can drive the clamping arm 14 to rotate, achieving the rotational installation effect of the bottle cap.

[0041] A negative pressure machine 17 is provided on the outer wall of the clamping arm 14, an air suction port 15 is provided in the middle of the clamping arm 14, and a connecting pipe 16 is provided between the negative pressure machine 17 and the air suction port 15. The negative pressure effect of the air suction port 15 can be achieved by using the negative pressure machine 17. When the bottle cap contacts the lower end of the air suction port 15, it can ensure that the bottle cap will not fall off.

[0042] In this embodiment: When assembling, the air suction port 15 can retain the bottle cap at the upper end of the device when the clamping arm 14 fails and will not fall off.

[0043] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] Finally, it should be noted that: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A plastic bottle cap automatic assembly machine, characterized by: A box body (1) and a rotating drum (7) rotatably mounted on the upper end of the box body (1), and a clamping arm (14) rotatably provided with negative pressure suction force and arranged on one side of the rotating drum (7), comprising a mounting frame (2), wherein the mounting frame (2) is fixedly mounted on both sides of the upper end of the box body (1), the rotating drum (7) is rotatably mounted between the mounting frames (2), the outer wall of the rotating drum (7) is provided with hydraulic cylinders (11) distributed in a ring array, and the clamping arms (14) are all in a functional relationship with the hydraulic cylinders (11).

2. The automatic assembly machine for plastic bottle caps according to claim 1, characterized in that: A base (4) is provided at the lower end of the box body (1), a second motor (6) is provided on the outer wall of one side of the mounting frame (2), and an output shaft of the second motor (6) is fixedly connected to the rotation center of one side of the rotating drum (7).

3. The automatic assembly machine for plastic bottle caps according to claim 1, characterized in that: A conveyor belt (8) is arranged at the upper end of the box body (1), a bottle body (3) is arranged at the upper end of the conveyor belt (8), a motor (5) is arranged on the outer wall of one side of the box body (1), and the output shaft of the motor (5) is fixedly connected to the input shaft of the conveyor belt (8) via a coupling.

4. The automatic assembly machine for plastic bottle caps according to claim 1, characterized in that: A hydraulic rod (12) is arranged inside the hydraulic cylinder (11), a fixing frame (13) is fixedly mounted on one end of the hydraulic rod (12), and a mounting plate (9) is arranged on one side of the fixing frame (13).

5. The automatic assembly machine for plastic bottle caps according to claim 4, characterized in that: A motor three (18) is arranged on one side of the mounting plate (9), a rotating shaft (10) is arranged on the other side of the mounting plate (9), the clamping arm (14) is fixedly mounted on one end of the rotating shaft (10), and the output shaft of the motor three (18) is fixedly connected to one end of the rotating shaft (10).

6. The automatic assembly machine for plastic bottle caps according to claim 1, characterized in that: The outer wall of the clamping arm (14) is provided with a negative pressure machine (17), the middle part of the clamping arm (14) is provided with an air suction port (15), and a connecting pipe (16) is provided between the negative pressure machine (17) and the air suction port (15).

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