Setting automatic reducing sealing mechanism

Abstract

The utility model discloses a positioning automatic reducing sealing mechanism which comprises a box body. Fixed sealing plates are arranged at round holes in the left side face and the right side face of the box body correspondingly, swing shafts are arranged at the upper ends, away from the side faces of the box body, of the fixed sealing plates correspondingly, swing sealing plates which are evenly distributed are rotationally connected to the outer arc faces of the swing shafts correspondingly, sealing pieces are arranged in the swing sealing plates and the fixed sealing plates correspondingly, and clamping air cylinders are arranged on the front side face and the rear side face of the box body correspondingly. According to the positioning automatic reducing sealing mechanism, sealing elements can be rapidly replaced through swinging and rotating, sealing of workpieces with different diameters is facilitated, the production preparation time is greatly shortened, the production efficiency is improved, and the positioning automatic reducing sealing mechanism is suitable for large-scale popularization and application. The labor intensity of workers is reduced, the human error probability is reduced, the production line no-load waiting time is shortened, energy consumption is reduced, and the good using effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment end face sealing, in particular to a swing-position automatic diameter-changing sealing mechanism. Background Art

[0002] Plastic pipes and plastic rods are indispensable in our lives. Plastic pipes and plastic rods are usually extruded by plastic molds. The diameters of plastic pipes and plastic rods are different. When plastic pipe and plastic rod manufacturers produce workpieces of different diameters, they need to replace the sealing plates at the ends of each water tank and vacuum box. At present, general production equipment uses a set of sealing plates with one specification. Each replacement requires the original sealing plate to be disassembled and then replaced with a new one. The sealing plate is generally fixed with bolts, which results in a large workload for on-site workers and a long time consumption, which can easily affect production efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a swinging automatic variable diameter sealing mechanism, which can realize rapid replacement of sealing elements through swinging and rotating, facilitate the sealing of workpieces with different diameters, greatly reduce production preparation time, improve production efficiency, and can effectively solve the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning automatic variable diameter sealing mechanism, comprising a box body;

[0005] Box body: Fixed sealing plates are provided at the circular holes on the left and right sides thereof, and swing shafts are provided at the upper ends of the fixed sealing plates away from the sides of the box body, and swing sealing plates evenly distributed are rotatably connected to the outer arc surfaces of the swing shafts, and sealing sheets are provided inside the swing sealing plates and the fixed sealing plates, and clamping cylinders are provided on the front and rear sides of the box body, and two clamping cylinders form a group, and pressure seats are provided on the left and right ends of a group of clamping cylinders, and the swing sealing plates are located between the two pressure seats, and the sealing elements can be quickly replaced by swinging and rotating, which is convenient for sealing workpieces of different diameters, greatly reducing production preparation time, improving production efficiency, reducing workers' labor intensity, reducing the probability of human errors, reducing the waiting time of production line no-load, saving energy consumption, and having a good use effect.

[0006] Furthermore, the through holes of the sealing sheets on the same side of the box body are arranged in order from large to small, and the through hole in the middle of the sealing sheet inside the fixed sealing plate is the largest, which is convenient for stacking and using the sealing sheets.

[0007] Furthermore, the sealing sheet is a silicone sealing sheet, which can perform soft sealing.

[0008] Furthermore, the sealing sheet may be a bronze sealing sheet, which can perform hard sealing.

[0009] Furthermore, the distances from the sealing sheets on the same side of the box to the axis of the swing shaft are the same, which facilitates the stacking and use of the sealing sheets.

[0010] Furthermore, evenly distributed pressing shafts are provided on the side of the pressing seat close to the box body, and a nylon sleeve is provided on one end of the pressing shaft close to the box body to facilitate the pressing of the swing sealing plate.

[0011] Furthermore, a position detection sensor is provided at the upper end of the pressure seat, and the output end of the position detection sensor is electrically connected to the input end of the external controller to facilitate the detection of the position of the swing sealing plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the automatic variable diameter sealing mechanism has the following advantages:

[0013] This device is installed on the extrusion production line. Through swinging and rotating, the sealing elements can be quickly replaced, which is convenient for sealing workpieces of different diameters. It greatly reduces the production preparation time, improves production efficiency, reduces the labor intensity of workers, reduces the probability of human errors, reduces the waiting time of the production line without load, saves energy consumption, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is an enlarged structural diagram of the utility model at A;

[0016] Figure 3 It is a structural schematic diagram of the left side of the utility model.

[0017] In the figure: 1 box body, 2 fixed sealing plate, 3 swing shaft, 4 swing sealing plate, 5 sealing sheet, 6 clamping cylinder, 7 pressure seat, 8 pressure shaft, 9 nylon sleeve, 10 position detection sensor. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 , This embodiment provides a technical solution: a positioning automatic variable diameter sealing mechanism, comprising a box body 1;

[0020] Box body 1: Fixed sealing plates 2 are provided at the circular holes on the left and right sides thereof, and box body 1 provides installation positions for other parts. The upper ends of the fixed sealing plates 2 away from the sides of the box body 1 are provided with swing shafts 3, and the outer arc surfaces of the swing shafts 3 are rotatably connected with swing sealing plates 4 evenly distributed. The insides of the swing sealing plates 4 and the fixed sealing plates 2 are provided with sealing sheets 5, and the fixed sealing plates 2 and the swing sealing plates 4 provide installation positions for the sealing sheets 5. Clamping cylinders 6 are provided on both sides of the front and rear of the box body 1, and two clamping cylinders 6 form a group, and a group of clamping cylinders 6 is provided with pressure seats 7 at both ends, and the swing sealing plates 4 are located between the two pressure seats 7. An external controller controls the clamping cylinders 6 through an electromagnetic valve, and the telescopic ends at the left and right ends of the clamping cylinders 6 are synchronously contracted to drive the pressure seats 7 to move toward the direction close to the box body 1. The through holes of the sealing sheets 5 on the same side of the box body 1 are arranged in order from large to small. The through hole in the middle of the sealing sheet 5 inside the fixed sealing plate 2 is the largest, which is convenient for the sealing sheets 5 to be stacked from large to small. The sealing sheet 5 is a silicone sealing sheet, which can be used for soft sealing. The sealing sheet 5 can also be a bronze sealing sheet, which can be used for hard sealing. The distances from the sealing sheets 5 on the same side of the box body 1 to the axis of the swing shaft 3 are the same, ensuring that the sealing sheet 5 can correspond to the circular hole of the box body 1. The side of the pressure seat 7 close to the box body 1 is provided with evenly distributed pressure shafts 8, and the end of the pressure shaft 8 close to the box body 1 is provided with a nylon sleeve 9. The pressure seat 7 presses the corresponding swing sealing plate 4 for positioning through the pressure shaft 8 and the nylon sleeve 9. The upper end of the pressure seat 7 is provided with a position detection sensor 10, and the output end of the position detection sensor 10 is electrically connected to the input end of the external controller. The position detection sensor 10 confirms whether the specification conversion is accurately completed by detecting the height, and transmits the electrical signal to the external controller.

[0021] The working principle of a swinging automatic variable diameter sealing mechanism provided by the utility model is as follows: the device is installed at both ends of a box body 1 (vacuum box, water tank or water tank) of a pipe or rod extrusion production line, and the product passes through a sealing sheet 5, which is sealed to prevent water leakage and air leakage in the vacuum box. When producing workpieces of different diameters, a sealing sheet 5 corresponding to the aperture can be selected to work, and the sealing plate needs to be replaced with a corresponding specification. When replacing, the corresponding swing sealing plate 4 is rotated around the swing shaft 3, and at the same time, the swing sealing plate 4 close to the swing sealing plate 4 on one side of the box body 1 is simultaneously corresponding to the fixed sealing plate 2, and the swing sealing plate 4 drives the sealing sheet 5 to rotate synchronously, and then they are used in superposition. The position detection sensor 10 confirms whether the specification conversion is completed accurately by detecting the height, and transmits the electrical signal to the external controller. After the conversion is completed, the external controller controls the clamping cylinder 6 through the solenoid valve, and the telescopic ends at the left and right ends of the clamping cylinder 6 are synchronously contracted to drive the pressure seat 7 to move toward the direction close to the box body 1, and the pressure seat 7 presses the corresponding swing sealing plate 4 through the pressing shaft 8 and the nylon sleeve 9 for positioning.

[0022] It is worth noting that the position detection sensor 10 disclosed in the above embodiment can be a photoelectric sensor of model PAB-5MDP, and the external controller controls the operation of the position detection sensor using a method commonly used in the prior art.

[0023] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A positioning automatic variable diameter sealing mechanism, characterized in that: It comprises a box body (1); Box body (1): fixed sealing plates (2) are provided at the circular holes on the left and right sides thereof, and the upper ends of the fixed sealing plates (2) away from the sides of the box body (1) are provided with swing shafts (3), and the outer arc surfaces of the swing shafts (3) are rotatably connected with swing sealing plates (4) evenly distributed, and sealing sheets (5) are provided inside the swing sealing plates (4) and the fixed sealing plates (2). Clamping cylinders (6) are provided on the front and rear side surfaces of the box body (1), and two clamping cylinders (6) form a group. Pressure seats (7) are provided at the left and right ends of a group of clamping cylinders (6), and the swing sealing plates (4) are located between the two pressure seats (7).

2. The automatic variable diameter sealing mechanism according to claim 1, characterized in that: The through holes of the sealing sheet (5) on the same side of the box body (1) are arranged in order from large to small, and the through hole in the middle of the sealing sheet (5) inside the fixed sealing plate (2) is the largest.

3. The automatic variable diameter sealing mechanism according to claim 1, characterized in that: The sealing sheet (5) is a silicone sealing sheet.

4. The automatic variable diameter sealing mechanism according to claim 1, characterized in that: The sealing sheet (5) may also be a bronze sealing sheet.

5. The automatic variable diameter sealing mechanism according to claim 1, characterized in that: The distances from the sealing sheet (5) on the same side of the box body (1) to the axis of the swing shaft (3) are all the same.

6. The automatic variable diameter sealing mechanism according to claim 1, characterized in that: The side surfaces of the pressure seat (7) close to the box body (1) are provided with evenly distributed pressure shafts (8), and one end of the pressure shafts (8) close to the box body (1) is provided with a nylon sleeve (9).

7. The automatic variable diameter sealing mechanism according to claim 1, characterized in that: The upper end of the pressure seat (7) is provided with a position detection sensor (10), and the output end of the position detection sensor (10) is electrically connected to the input end of the external controller.

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