Workpiece surface treatment exhaust pipeline connecting device

Abstract

The utility model discloses a workpiece surface treatment exhaust pipeline connecting device which comprises a main pipe section, an air outlet connecting pipe head and an air inlet connecting pipe head, the outer side of the main pipe section is sleeved with a positioning ring, guide holes are formed in the positioning ring at equal intervals, a lengthened screw rod penetrates through the guide holes, one end of the lengthened screw rod is connected with a lap joint disc, and the other end of the lengthened screw rod is connected with an air inlet pipe. An extending pipe ring is welded to the bottom of the lap joint disc, a metal filter screen is installed at the bottom of the extending pipe ring through a screw, and a locking nut with a locking function is arranged at the position, located at the bottom of the positioning ring, of the other end of the lengthened screw in a sleeving mode. According to the novel pipeline connecting device, conveyed gas can be conveniently filtered, the filter screen can be conveniently cleaned or replaced, and the novel pipeline connecting device is suitable for wide application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust pipeline connection, in particular to an exhaust pipeline connection device for workpiece surface treatment. Background Art

[0002] Metal workpieces are a common engineering material. Due to their good mechanical properties and corrosion resistance, they are widely used in aerospace, medical equipment, automobile manufacturing and other fields. During the processing of metal workpieces, high-pressure gas is needed to blow away the dust and processing debris on the surface, an air compressor is needed, and a pipe connection device is needed to connect the pipes.

[0003] The pipeline connection device has the following disadvantages: 1. The pipeline connection device is not convenient for filtering the transported gas and is not convenient for cleaning or replacing the filter. To this end, we propose a workpiece surface treatment exhaust pipeline connection device. Summary of the invention

[0004] The main purpose of the utility model is to provide a workpiece surface treatment exhaust pipeline connection device, which can effectively solve the problems in the background technology.

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

[0006] A workpiece surface treatment exhaust pipeline connection device, comprising a main pipe section, an outlet connecting pipe head and an inlet connecting pipe head, the outer side of the main pipe section is sleeved with a positioning ring and the positioning ring is provided with guide holes at equal distances, an extension screw rod passes through the guide hole and one end of the extension screw rod is connected to a lap plate, an extension pipe ring is welded to the bottom of the lap plate and a metal filter is installed on the bottom of the extension pipe ring by screws, and a locking nut with a locking function is sleeved on the other end of the extension screw rod and located at the bottom of the positioning ring.

[0007] Furthermore, a gas outlet connecting pipe head connected to the extension pipe ring is welded on the top of the lap plate.

[0008] Furthermore, a fastening hoop is sleeved on the outer side of the air outlet connecting pipe head, one end of the air supply pipe is sleeved on the air outlet connecting pipe head, and the tension screws between the lap plates are tightened to achieve compression and fixation at the connecting head.

[0009] Furthermore, an air intake connecting pipe head is connected to the bottom of the main pipe section, and a fastening hoop is sleeved on the outer side of the air intake connecting pipe head.

[0010] Furthermore, lap plates are welded to both free ends of the fastening hoop and tension screws are arranged between the lap plates. The tension screws between the lap plates are tightened to achieve compression and fixation at the connecting head, which has high sealing performance and is convenient for installation and disassembly.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The utility model discloses a workpiece surface treatment exhaust pipe connection device, wherein the air inlet connection pipe head of the device is connected to the hose interface of the air compressor, one end of the air supply pipe is sleeved onto the air outlet connection pipe head, and the tension screws between the lap plates are tightened to realize compression and fixation at the connection head, which has high sealing performance and is convenient for installation and disassembly.

[0013] 2. The utility model is a workpiece surface treatment exhaust pipeline connection device, which utilizes the metal filter at the bottom of the extension pipe ring to filter impurities in the gas to avoid contaminating the surface of the workpiece to be processed. When the metal filter needs to be replaced or cleaned, the locking nut on the extension screw is unscrewed, and the extension screw is pulled out of the guide hole to facilitate the removal of the lap plate and the metal filter, which is convenient for cleaning and replacement, saving manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the overall structure of an exhaust pipeline connection device for workpiece surface treatment.

[0015] Figure 2 The utility model is a bottom view of an exhaust pipeline connection device for workpiece surface treatment.

[0016] Figure 3 The utility model is a schematic diagram of the guide hole structure of an exhaust pipe connection device for workpiece surface treatment.

[0017] In the figure: 1. Inlet connecting pipe head; 2. Extension screw; 3. Locking nut; 4. Fastening hoop; 5. Lap plate; 6. Pull screw; 7. Outlet connecting pipe head; 8. Lap plate; 9. Positioning ring; 10. Main pipe section; 11. Extension pipe ring; 12. Metal filter; 13. Guide hole. Implementation

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-3 As shown, a workpiece surface treatment exhaust pipe connection device includes a main pipe section 10, an outlet connecting pipe head 7 and an inlet connecting pipe head 1, the outer side of the main pipe section 10 is sleeved with a positioning ring 9 and the positioning ring 9 is provided with guide holes 13 at equal distances, an extension screw 2 passes through the guide hole 13 and one end of the extension screw 2 is connected to a lap plate 8, an extension pipe ring 11 is welded to the bottom of the lap plate 8 and a metal filter screen 12 is installed on the bottom of the extension pipe ring 11 by screws, and the other end of the extension screw 2 and located at the bottom of the positioning ring 9 are sleeved with a locking nut 3 with a locking function.

[0020] The top of the lap plate 8 is welded with a gas outlet connection pipe head 7 which is connected to the extension pipe ring 11 .

[0021] In this embodiment, Figure 1 As shown, one end of the air supply pipe is sleeved onto the air outlet connecting pipe head 7.

[0022] Wherein, a fastening hoop 4 is sleeved on the outer side of the air outlet connecting pipe head 7 .

[0023] In this embodiment, Figure 1 As shown, one end of the air supply pipe is sleeved onto the air outlet connecting pipe head 7, and the tension screws 6 between the lap plates 5 are tightened to achieve compression and fixation at the connecting head.

[0024] The bottom of the main pipe section 10 is connected to an air intake connecting pipe head 1 and a fastening hoop 4 is sleeved on the outer side of the air intake connecting pipe head 1 .

[0025] In this embodiment, Figure 1 As shown, the fastening hoop 4 is used to facilitate fixing the joint pipe section.

[0026] Wherein, lap plates 5 are welded to both free ends of the fastening hoop 4 and tension screws 6 are arranged between the lap plates 5 .

[0027] In this embodiment, Figure 1 As shown, tightening the tension screws 6 between the lap plates 5 achieves compression and fixation at the connection head, which has high sealing performance and is convenient for installation and disassembly.

[0028] It should be noted that the utility model is a workpiece surface treatment exhaust pipe connection device. When working, the air inlet connecting pipe head 1 of the device is connected to the air compressor hose interface, one end of the air supply pipe is sleeved on the air outlet connecting pipe head 7, and the tension screw 6 between the lap plates 5 is tightened to achieve compression and fixation at the connecting head. It has high sealing performance and is convenient for installation and disassembly. The metal filter 12 at the bottom of the extension pipe ring 11 is used to filter impurities in the gas to avoid contaminating the surface of the workpiece to be processed. When the metal filter 12 needs to be replaced or cleaned, the locking nut 3 on the extension screw 2 is unscrewed, and the extension screw 2 is pulled out from the guide hole 13, which is convenient for taking out the lap plate 8 and the metal filter 12, and is convenient for cleaning and replacement, saving manpower and material resources.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A workpiece surface treatment exhaust pipe connection device, comprising a main pipe section (10), an outlet connection pipe head (7) and an inlet connection pipe head (1), characterized in that: The outer side of the main pipe section (10) is sleeved with a positioning ring (9) and the positioning ring (9) is provided with guide holes (13) at equal intervals. An extension screw (2) passes through the guide hole (13) and one end of the extension screw (2) is connected to a lap plate (8). An extension pipe ring (11) is welded to the bottom of the lap plate (8) and a metal filter screen (12) is installed at the bottom of the extension pipe ring (11) by means of screws. A locking nut (3) with a locking function is sleeved at the other end of the extension screw (2) and located at the bottom of the positioning ring (9).

2. A workpiece surface treatment exhaust pipe connection device according to claim 1, characterized in that: A gas outlet connecting pipe head (7) connected to the extension pipe ring (11) is welded to the top of the lap plate (8).

3. The workpiece surface treatment exhaust pipe connection device according to claim 1, characterized in that: A fastening hoop (4) is sleeved on the outer side of the air outlet connecting pipe head (7).

4. The workpiece surface treatment exhaust pipe connection device according to claim 1, characterized in that: The bottom of the main pipe section (10) is connected to an air intake connecting pipe head (1), and a fastening hoop (4) is sleeved on the outer side of the air intake connecting pipe head (1).

5. The workpiece surface treatment exhaust pipe connection device according to claim 4, characterized in that: Both free ends of the fastening hoop (4) are welded with lap plates (5), and tension screws (6) are arranged between the lap plates (5).

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