Cooling device for sealing machine

Abstract

The utility model relates to the technical field of manufacturing of plastic pipe fittings, and discloses a cooling device for a sealing machine, which comprises a support, a three-way valve, an air inlet pipe connected with the three-way valve, a cooling spray seat arranged on the support and a bracket used for supporting the plastic pipe fittings, and a rotatable pressing wheel and a driving device for driving the pressing wheel to rotate are arranged on the swinging frame. The cooling device has the advantages that the cooling device and the hot air welding gun can share the same air source through the design of the three-way valve and the air inlet pipe, an air source and a valve do not need to be additionally arranged, especially when the air source is an air blower, an original air blower on the hot air welding gun is used as the air source, manufacturing cost is saved, and production efficiency is improved. The transformation difficulty is reduced. The plastic pipe fitting can be cooled by air according to needs, and the position of the plastic pipe fitting is labor-saving and convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe manufacturing, in particular to a cooling device for a sealing machine. Background Art

[0002] During the manufacturing process of plastic pipe fittings, plastic welding equipment is required when sealing the plastic pipe fittings according to product design requirements. Among them, the commonly used plastic welding equipment is a hot air welding gun, also known as a hot air gun or a plastic welding machine, which uses a blower or compressed air as the air source, combined with a heating element, to spray hot air to heat the plastic pipe fittings. When the plastic pipe fittings are overheated or the process requires rapid cooling after welding, a cooling device is required to quickly cool them down. Therefore, it is necessary to provide a cooling device for a sealing machine. Utility Model Content

[0003] The utility model aims to provide a cooling device for a sealing machine, which has the effect of conveniently cooling plastic pipe fittings.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions: a cooling device for a sealing machine, comprising a bracket, a three-way valve, an air inlet pipe connected to the three-way valve, a cooling nozzle seat arranged on the bracket, and a bracket for holding plastic pipe fittings, the cooling nozzle seat is provided with a gas flow channel, one end of the gas flow channel is connected to the air inlet pipe, and the other end is a cooling nozzle hole, the bracket is hinged with a swing frame, a rotatable pressing wheel and a driving device for driving the pressing wheel to rotate are arranged on the swing frame, and an embedding groove is provided on the cooling nozzle seat, and the embedding groove is for the pipe fitting to be embedded.

[0005] By adopting the above technical solution, the inlet of the three-way valve is connected to the air source, one of the outlets is connected to the air inlet pipe, and one of the outlets is used to connect to the hot air welding gun. When the plastic pipe fitting needs to be cooled, the outlet connected to the hot air welding gun is closed, and the outlet connected to the air inlet pipe is opened. The airflow passes through the air inlet pipe and the gas flow channel in turn and then is ejected from the cooling nozzle to cool the plastic pipe fitting.

[0006] The side of the end of the plastic pipe is embedded in the groove, the bracket holds the plastic pipe, the operator pulls the swing frame to swing so that the pressure wheel is pressed against the outer wall of the plastic pipe, the drive device drives the pressure wheel to rotate, and the pressure wheel then drives the plastic pipe to rotate and adjust the position of the plastic pipe. The operator pulls the swing frame to swing in the opposite direction, so that the pressure wheel rises and separates from the outer wall of the plastic pipe, so that the plastic pipe is no longer rotated under force.

[0007] The utility model is further configured as follows: the inlet of the three-way valve is used to connect to a gas source.

[0008] The utility model is further configured as follows: one outlet of the three-way valve is connected to the air inlet pipe, and the other outlet is used to be connected to a hot air welding gun.

[0009] The utility model is further configured as follows: an upper ear seat and a lower ear seat are formed on the cooling nozzle seat, and the embedding groove is formed between the upper ear seat and the lower ear seat.

[0010] The utility model is further configured as follows: the cooling spray hole is located at the embedding groove.

[0011] The utility model is further configured as follows: the middle portion of the swing frame is hinged on the bracket, the cooling nozzle seat and the driving device are installed at one end of the swing frame, and a counterweight is installed at the other end of the swing frame.

[0012] By adopting the above technical solution, the counterweight block plays the role of a counterweight, making it easier for operators to adjust the position of the pressure wheel.

[0013] The utility model is further configured as follows: a spring is installed at one end of the swing frame away from the cooling spray seat, and the spring is connected to the bracket.

[0014] The utility model is further configured as follows: the spring force acts on the swing frame to drive the swing frame to rotate and then the pressure wheel rises.

[0015] By adopting the above technical solution, the operator can pull the swing frame to rotate to make the pressure wheel go down, and the pressure wheel will automatically go up after releasing the swing frame.

[0016] The utility model is further configured as follows: the pressing wheel is rotatably connected to the swing frame.

[0017] The utility model is further configured as follows: the driving device includes a motor.

[0018] The beneficial effects of the utility model are:

[0019] 1. The utility model can make the cooling device and the hot air welding gun share the same gas source through the design of the three-way valve and the air inlet pipe, without the need to configure an additional gas source and valve. Especially when the gas source is a blower, the original blower on the hot air welding gun can be used as the gas source, saving manufacturing costs and reducing the difficulty of transformation.

[0020] 2. The utility model provides a pressure wheel on the swing frame and configures a counterweight block and a spring, so that the operator can save effort when adjusting the position of the pressure wheel.

[0021] 3. The utility model can cool the plastic pipe fittings with air as needed, and it is labor-saving and convenient to adjust the position of the plastic pipe fittings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is a partial structural schematic diagram of the utility model.

[0025] In the figure, 1, bracket; 2, cooling nozzle seat; 21, upper ear seat; 22, lower ear seat; 23, embedded groove; 3, cooling nozzle hole; 4, swing frame; 41, pressure wheel; 42, driving device; 43, counterweight block; 44, spring; 5, bracket; 6, three-way valve. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0027] A cooling device for a sealing machine, such as Figure 1 to Figure 2 As shown, it includes a bracket 1 and a support 5. A cooling nozzle seat 2 is fixedly mounted on the bracket 1. A gas flow channel is provided in the cooling nozzle seat 2. One end of the gas flow channel is connected to an air inlet pipe, and the air inlet pipe is connected to a three-way valve 6. The inlet of the three-way valve 6 is used to connect to a gas source. One of the outlets of the three-way valve 6 is connected to the air inlet pipe, and the other outlet is used to connect to a hot air welding gun. The other end of the gas flow channel is a cooling nozzle 3. An upper ear seat 21 and a lower ear seat 22 are formed on the cooling nozzle seat 2. An embedding groove 23 is formed between the upper ear seat 21 and the lower ear seat 22, and the cooling nozzle 3 is located at the embedding groove 23. The bracket 5 is used to support the plastic pipe fittings.

[0028] Furthermore, a swing frame 4 is provided on the bracket 1, the middle part of the swing frame 4 is hinged to the bracket 1, one end of the swing frame 4 is provided with a pressure wheel 41 and a driving device 42 for driving the pressure wheel 41 to rotate, the pressure wheel 41 is rotatably connected to the swing frame 4, and the driving device 42 includes a motor. A counterweight 43 and a spring 44 are installed at the other end of the swing frame 4, one end of the spring 44 is fixed to the swing frame 4, and the other end is fixed to the bracket 1. The spring force acts on the swing frame 4 to drive the swing frame 4 to rotate and then the pressure wheel 41 rises.

[0029] The working principle of the utility model is as follows: the inlet of the three-way valve 6 is connected to the air source, one of the outlets is connected to the air inlet pipe, and one of the outlets is used to be connected to the hot air welding gun. When the plastic pipe fitting needs to be cooled, the outlet connected to the hot air welding gun is closed, and the outlet connected to the air inlet pipe is opened. The airflow passes through the air inlet pipe and the gas flow channel in sequence and then is ejected from the cooling nozzle 3 to cool the plastic pipe fitting.

[0030] The side edge of the end of the plastic pipe is embedded in the embedding groove 23, the bracket 5 holds the plastic pipe, the operator pulls the swing frame 4 to swing so that the pressing wheel 41 is pressed against the outer wall of the plastic pipe, the driving device 42 drives the pressing wheel 41 to rotate, and the pressing wheel 41 then drives the plastic pipe to rotate and adjust the position of the plastic pipe. The operator pulls the swing frame 4 to swing in the opposite direction, so that the pressing wheel 41 rises and separates from the outer wall of the plastic pipe, so that the plastic pipe is no longer rotated under force.

Claims

1. A cooling device for a sealing machine, characterized in that: The invention comprises a bracket (1), a three-way valve (6), an air inlet pipe connected to the three-way valve (6), a cooling nozzle seat (2) arranged on the bracket (1), and a bracket (5) for supporting a plastic pipe fitting. The cooling nozzle seat (2) is provided with a gas flow channel, one end of which is connected to the air inlet pipe, and the other end is a cooling nozzle hole (3). The bracket (1) is hinged with a swing frame (4), and a rotatable pressing wheel (41) and a driving device (42) for driving the pressing wheel (41) to rotate are arranged on the swing frame (4). The cooling nozzle seat (2) is provided with an embedding groove (23), and the embedding groove (23) is used for embedding the pipe fitting.

2. A cooling device for a sealing machine according to claim 1, characterized in that: The inlet of the three-way valve (6) is used for connecting to a gas source.

3. A cooling device for a sealing machine according to claim 2, characterized in that: One of the outlets of the three-way valve (6) is connected to the air inlet pipe, and the other outlet is used to be connected to a hot air welding gun.

4. A cooling device for a sealing machine according to claim 1, characterized in that: An upper ear seat (21) and a lower ear seat (22) are formed on the cooling nozzle seat (2), and the embedding groove (23) is formed between the upper ear seat (21) and the lower ear seat (22).

5. A cooling device for a sealing machine according to claim 4, characterized in that: The cooling spray hole (3) is located at the embedding groove (23).

6. A cooling device for a sealing machine according to claim 1, characterized in that: The middle part of the swing frame (4) is hinged on the bracket (1), the cooling nozzle seat (2) and the driving device (42) are installed at one end of the swing frame (4), and a counterweight block (43) is installed at the other end of the swing frame (4).

7. A cooling device for a sealing machine according to claim 6, characterized in that: A spring (44) is installed at one end of the swing frame (4) away from the cooling nozzle seat (2), and the spring (44) is connected to the bracket (1).

8. A cooling device for a sealing machine according to claim 7, characterized in that: The elastic force of the spring (44) acts on the swing frame (4) to drive the swing frame (4) to rotate and then cause the pressing wheel (41) to rise.

9. A cooling device for a sealing machine according to claim 1, characterized in that: The pressing wheel (41) is rotatably connected to the swing frame (4).

10. A cooling device for a sealing machine according to claim 1, characterized in that: The driving device (42) comprises a motor.

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