Sealing structure for automatic plastic cover assembling machine

Abstract

The utility model discloses a sealing structure for an automatic plastic cover assembling machine. The device comprises a top cover and a moving structure, the moving structure is arranged in the top cover and comprises a sliding rail welded to the inner wall of the top cover, a driving motor arranged below the sliding rail, a threaded rod welded to a rotating shaft of the driving motor, a first sealing structure connected to the threaded rod in a threaded mode and a second sealing structure connected to the threaded rod in a threaded mode. The first sealing structure and the second sealing structure can move relatively through the screw rod of a moving structure, so that the four sets of rotating heads are attached to the outer wall of the curved surface of the bottle cap to be screwed down in a rotating mode, and the structure can adjust and tighten the bottle caps with different diameters by controlling the moving distance of the rotating heads. And accessories do not need to be replaced, the use convenience of the device is improved, bottles linearly moved on an assembly line can be directly rotated and tightened through the rotating head, the time needed for sealing a single bottle is shortened, and the overall product production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle cap sealing, in particular to a sealing structure for an automatic plastic cap assembly machine. Background Art

[0002] Products produced in the fields of food, medicine, etc. are filled in plastic bottles or glass bottles. On the production line, the plastic bottle cap conveying equipment is used to cover the bottle mouth with a bottle cap, and the plastic cap sealing structure at the rear presses down and rotates to seal, so as to quickly tighten the bottle mouth with the bottle cap.

[0003] In actual use, since the equipment needs to be suitable for sealing bottle caps of different calibers, it is necessary to replace rotating heads of different calibers for use. It is troublesome to debug the device when changing different products. At the same time, the rotating head needs to be inserted into the bottle cap for downward rotation. On the continuous production line, the bottle body and the rotating head need to be precisely aligned to ensure that the bottle cap is tightened and sealed. Disc conveying will be used to achieve precise alignment and sealing, which will increase the time for sealing a single bottle and reduce the overall production efficiency of the equipment. Utility Model Content

[0004] The utility model aims to provide a sealing structure for an automatic plastic cover assembly machine to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing structure for an automatic assembly machine of plastic covers, comprising: a top cover and a moving structure; the moving structure is arranged inside the top cover, and the moving structure comprises a slide rail welded on the inner wall of the top cover, a driving motor arranged below the slide rail, a screw rod welded on the rotating shaft of the driving motor, a first sealing structure threadedly connected to the screw rod, and a second sealing structure threadedly connected to the screw rod; the first sealing structure comprises a moving frame threadedly connected to the screw rod, a rotating motor arranged on the inner wall of the moving frame, a fixed tube connected to the lower surface of the moving frame by bolts, a rotating rod inserted into the fixed tube, and a rotating head inserted into the bottom end of the rotating rod, and the top of the rotating rod is welded to the rotating shaft of the rotating motor.

[0006] By adopting the above technical solution, the screw is driven to rotate by a driving motor, so that the first sealing structure and the second sealing structure can move toward each other, and the rotating head is moved to squeeze on the outer wall of the curved surface of the bottle cap. The rotating motor drives the rotating rod to rotate, and the four sets of rotating rotating heads can be used to drive the bottle cap to rotate to achieve tightening and sealing. This structure can adjust the tightening of bottle caps of different diameters by controlling the moving distance of the rotating head. There is no need to replace accessories, which improves the convenience of using the device. At the same time, bottles moving in a straight line on the assembly line can be directly tightened by rotating the rotating head, which reduces the time required for sealing a single bottle and improves the overall efficiency of product production.

[0007] Preferably, it comprises: a sealing table and a hydraulic rod; a conveyor belt is arranged at the bottom of the sealing table; the bottom of the hydraulic rod is connected to the upper surface of the sealing table, and the top of the hydraulic rod is welded to the bottom of the top cover.

[0008] By adopting the above technical solution, a hydraulic rod is connected to the bottom of the top cover to bear the weight of the mobile structure and the top cover. The height of the hydraulic rod can be adjusted by telescopic means, and the rotating head can be adjusted to the position of the bottle cap at different bottle heights to ensure that bottles of different specifications can be sealed during production, thereby improving the practicability of the device.

[0009] Preferably, four groups of columns are welded on the upper surface of the sealing table, and the columns are plugged into the bottom of the top cover.

[0010] By adopting the above technical solution, the top cover can be supported by two groups of hydraulic rods. In order to ensure the stable operation of the moving structure, the first sealing structure and the second sealing structure, four groups of columns are used to limit the top cover to avoid shaking and accuracy problems when tightening the bottle cap, thereby improving the stability of the device during use.

[0011] Preferably, the slide rails have two groups horizontally welded on the top cover, and the bottom of the movable frame is plugged into the slide rails.

[0012] By adopting the above technical solution, by using two sets of slide rails plugged into the top of the mobile frame, a triangular stable moving structure can be formed on the slide rails and the screw rods to improve the stable and smooth relative movement of the mobile frame, improve the fluency and coordination of the use of the device, and ensure that the rotating head at the bottom will not shake and work stably.

[0013] Preferably, the screw is provided with forward and reverse threads on both sides relative to the middle position of the conveyor belt width, and the first sealing structure and the second sealing structure are symmetrically threadedly connected to the forward and reverse threads.

[0014] By adopting the above technical solution, by opening positive and negative threads on both sides of the screw in the middle of the width of the conveyor belt, the first sealing structure and the second sealing structure connected to the corresponding rotating threads can move the same distance relative to or oppositely, so as to achieve the effect of synchronous movement to the center position of the width of the conveyor belt, so as to drive the four groups of rotating heads to clamp the bottle caps moving in the middle to rotate, tighten and seal.

[0015] Preferably, two sets of rotating motors close to each other are arranged at the bottom end of the movable frame, and fixed tubes, rotating rods and rotating heads are arranged below the rotating motors, and the second sealing structure has the same structure as the first sealing structure.

[0016] By adopting the above technical solution, by setting up an independent rotating motor, a fixed tube, a rotating rod and a rotating head, two groups of rotating heads can form a bottle cap rotating structure with an angle at the bottom, so as to squeeze one side of the curved outer wall of the bottle cap, thereby reducing the problem of the bottle cap slipping during contact rotation and improving the firmness of the bottle cap being tightened.

[0017] Preferably, the rotating head is made of rubber material, and an anti-slip groove is provided on the curved outer wall of the rotating head.

[0018] By adopting the above technical solution, by using a rotating head with an anti-slip groove to squeeze and rotate the bottle cap, the elastic effect of the rubber material can be utilized, and the curved outer wall of the bottle cap can be adhered to under increased friction to drive the rotation and tighten, so as to achieve the effect of improving the tightening and sealing.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] (1) The screw of the movable structure can relatively move the first sealing structure and the second sealing structure, so that the four sets of rotating heads fit on the outer wall of the curved surface of the bottle cap and rotate and tighten. The structure can adjust and tighten bottle caps of different diameters by controlling the moving distance of the rotating heads. There is no need to replace accessories, which improves the convenience of using the device. Bottles moving in a straight line on the assembly line can be directly rotated and tightened by the rotating heads, which reduces the time required for sealing a single bottle and improves the overall production efficiency of the product.

[0021] (2) By adopting a hydraulic rod connected to the bottom of the top cover, it can bear the weight of the moving structure and the top cover. By utilizing the telescopic height adjustment function of the hydraulic rod, the rotating head can be adjusted to reach the bottle cap position at different bottle heights to ensure that bottles of different specifications can be sealed during production, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the device of the utility model;

[0023] Figure 2 It is a side sectional view of the overall structure of the device of the utility model;

[0024] Figure 3 It is a schematic diagram of the moving structure and the first sealing structure of the utility model;

[0025] Figure 4 It is a top sectional view of the top cover structure of the utility model;

[0026] Figure 5 This is a schematic diagram of the first sealing structure of the utility model.

[0027] In the figure: 1, sealing table; 2, conveyor belt; 3, column; 4, hydraulic rod; 5, top cover; 6, moving structure; 601, slide rail; 602, screw; 603, drive motor; 604, first sealing structure; 6041, moving frame; 6042, rotating motor; 6043, fixed tube; 6044, rotating rod; 6045, rotating head; 605, second sealing structure. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The following is combined with Figure 1-5 The utility model is described in further detail.

[0030] Embodiment 1

[0031] See also Figures 1 to 5 The utility model provides an embodiment: a sealing structure for an automatic assembly machine of a plastic cover, comprising: a top cover 5 and a moving structure 6, the moving structure 6 is arranged inside the top cover 5, the moving structure 6 comprises a slide rail 601 welded on the inner wall of the top cover 5, a driving motor 603 arranged below the slide rail 601, a screw 602 welded on the rotating shaft of the driving motor 603, a first sealing structure 604 threadedly connected to the screw 602, and a second sealing structure 605 threadedly connected to the screw 602, the first sealing structure 604 comprises a moving frame 6041 threadedly connected to the screw 602, a rotating motor 6042 arranged on the inner wall of the moving frame 6041, a fixed tube 6043 connected to the lower surface of the moving frame 6041 by bolts, a rotating rod 6044 inserted into the fixed tube 6043, and a rotating rod 6044 inserted into the rotating rod 604 The top of the rotating rod 6044 is welded on the rotating shaft of the rotating motor 6042. The driving motor 603 drives the screw rod 602 to rotate, so that the first sealing structure 604 and the second sealing structure 605 can move toward each other, so that the rotating head 6045 moves and squeezes on the outer wall of the curved surface of the bottle cap. The rotating motor 6042 drives the rotating rod 6044 to rotate, and the four groups of rotating rotating heads 6045 can be used to drive the bottle cap to rotate to achieve tightening and sealing processing. By controlling the moving distance of the rotating head 6045, the structure can adjust and tighten bottle caps of different diameters without replacing accessories, which improves the convenience of using the device. At the same time, the bottles moving in a straight line on the assembly line can be directly rotated and tightened by the rotating head 6045, which reduces the time required for sealing a single bottle and improves the overall production efficiency of the product.

[0032] Embodiment 2

[0033] See also Figures 1 to 5 , including: a sealing table 1 and a hydraulic rod 4, a conveyor belt 2 is arranged at the bottom of the sealing table 1, the bottom of the hydraulic rod 4 is connected to the upper surface of the sealing table 1, and the top of the hydraulic rod 4 is welded to the bottom of the top cover 5. By adopting the hydraulic rod 4 connected to the bottom of the top cover 5, it can be used to bear the weight of the mobile structure 6 and the top cover 5. By utilizing the telescopic height adjustment function of the hydraulic rod 4, the rotating head 6045 can be adjusted to reach the bottle cap position on different bottle heights to ensure that bottles of different specifications can be sealed in the production, so as to improve the practicality of the device. Four groups of columns 3 are welded on the upper surface of the sealing table 1, and the columns 3 are plugged into the bottom of the top cover 5. The top cover 5 can be supported by two groups of hydraulic rods 4. In order to ensure The moving structure 6, the first sealing structure 604 and the second sealing structure 605 work stably, and the top cover 5 is limited by four groups of columns 3 to avoid shaking and accuracy problems when tightening the bottle cap, which can improve the stability of the device when in use. The slide rail 601 has two groups horizontally welded on the top cover 5, and the bottom of the moving frame 6041 is plugged into the slide rail 601. By using two groups of slide rails 601 to be plugged into the top of the moving frame 6041, a triangular stable moving structure can be formed on the slide rail 601 and the screw 602 to improve the stable and smooth relative movement of the moving frame 6041, improve the fluency and coordination of the use of the device, and ensure that the rotating head 6045 at the bottom will not shake and work stably.

[0034] Embodiment 3

[0035] See also Figures 1 to 5The screw rod 602 is provided with positive and negative threads on both sides relative to the middle position of the width of the conveyor belt 2, and the first sealing structure 604 and the second sealing structure 605 are symmetrically threadedly connected to the positive and negative threads. By providing positive and negative threads on both sides of the screw rod 602 in the middle of the width of the conveyor belt 2, the first sealing structure 604 and the second sealing structure 605 connected to the corresponding rotating threads can move the same distance relative to or oppositely, so as to achieve the effect of synchronous movement to the center position of the width of the conveyor belt 2, so as to drive the four groups of rotating heads 6045 to clamp the bottle caps moving in the middle for rotating, tightening and sealing processing. The bottom end of the mobile frame 6041 is provided with two groups of rotating motors 6042 close to each other, and the lower part of the rotating motor 6042 is provided with a fixed tube 6043, a rotating rod 6044 and a rotating head 6045. 45, and the second sealing structure 605 has the same structure as the first sealing structure 604, and by arranging an independent rotating motor 6042, a fixed tube 6043, a rotating rod 6044 and a rotating head 6045, a structure for driving the bottle cap to rotate with an angle can be formed at the bottom by two groups of rotating heads 6045, so as to squeeze one side of the curved outer wall of the bottle cap, so as to reduce the problem of the bottle cap slipping when in contact with the rotation, and improve the firmness of the bottle cap being tightened, the rotating head 6045 is made of rubber material, and the curved outer wall of the rotating head 6045 is provided with an anti-skid groove, and the rotating head 6045 with an anti-skid groove is used to squeeze and rotate the bottle cap, and the elastic effect of the rubber material can be utilized, and the curved outer wall of the bottle cap can be adhered to under increased friction to drive the rotation and tighten, so as to achieve the effect of improving the tightening and sealing.

[0036] Working principle: When in use, the device is connected to the production line. When the bottle moves to the bottom of the mobile structure 6 through the conveyor belt 2, it will stop moving for a short time. The screw 602 is driven by the driving motor 603 to rotate, so that the two groups of mobile frames 6041 connected above move relatively, and the four groups of rotating heads 6045 at the bottom move and squeeze on the curved outer wall of the bottle cap. At the same time, the rotating motor 6042 that is always working drives the rotating rod 6044 to rotate, which can make the rotating head 6045 rotate together. At the moment of contacting the bottle cap, it can drive the bottle cap to be tightened on the bottle mouth for sealing. Finally, when producing at different heights, by controlling the extension of the hydraulic rod 4, the height of the rotating head 6045 can be adjusted to a suitable height position for sealing.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A sealing structure for a plastic cover automatic assembly machine, characterized in that: include: Top cover (5); A moving structure (6), the moving structure (6) being arranged inside the top cover (5), the moving structure (6) comprising a slide rail (601) welded to the inner wall of the top cover (5), a drive motor (603) arranged below the slide rail (601), a screw rod (602) welded to the rotating shaft of the drive motor (603), a first sealing structure (604) threadedly connected to the screw rod (602), and a second sealing structure (605) threadedly connected to the screw rod (602); The first sealing structure (604) includes a movable frame (6041) threadedly connected to the screw rod (602), a rotating motor (6042) arranged on the inner wall of the movable frame (6041), a fixed tube (6043) connected to the lower surface of the movable frame (6041) by bolts, a rotating rod (6044) inserted into the fixed tube (6043) and a rotating head (6045) inserted into the bottom end of the rotating rod (6044), and the top of the rotating rod (6044) is welded to the rotating shaft of the rotating motor (6042).

2. A sealing structure for a plastic cover automatic assembly machine according to claim 1, characterized in that: include: A sealing platform (1), wherein a conveyor belt (2) is provided at the bottom of the sealing platform (1); A hydraulic rod (4), the bottom of which is connected to the upper surface of the sealing platform (1), and the top of which is welded to the bottom of the top cover (5).

3. The sealing structure for a plastic cover automatic assembly machine according to claim 2, characterized in that: Four groups of columns (3) are welded on the upper surface of the sealing platform (1), and the columns (3) are plugged into the bottom of the top cover (5).

4. The sealing structure for a plastic cover automatic assembly machine according to claim 1, characterized in that: The slide rail (601) has two groups horizontally welded on the top cover (5), and the bottom of the movable frame (6041) is plugged into the slide rail (601).

5. The sealing structure for a plastic cover automatic assembly machine according to claim 2, characterized in that: The screw rod (602) is provided with positive and negative threads on both sides relative to the middle position of the width of the conveyor belt (2), and the first sealing structure (604) and the second sealing structure (605) are symmetrically threadedly connected to the positive and negative threads.

6. The sealing structure for a plastic cover automatic assembly machine according to claim 1, characterized in that: Two sets of rotating motors (6042) close to each other are arranged at the bottom of the movable frame (6041), and a fixed tube (6043), a rotating rod (6044) and a rotating head (6045) are arranged below each of the rotating motors (6042), and the second sealing structure (605) has the same structure as the first sealing structure (604).

7. The sealing structure for a plastic cover automatic assembly machine according to claim 1, characterized in that: The rotating head (6045) is made of rubber material, and an anti-slip groove is provided on the curved outer wall of the rotating head (6045).

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