Automatic welding equipment for countercurrent piece and guide pipe

Abstract

The utility model relates to the technical field of connection of countercurrent sheets and conduits, and discloses automatic welding equipment for countercurrent sheets and conduits, which comprises two diaphragm reels wound with diaphragms and two welding die heads, a welding station is arranged between the two welding die heads, and the diaphragms in the two diaphragm reels penetrate through the welding station; a movable carrier is arranged on the outer side of the welding station, a guide pipe is arranged on the movable carrier, the guide pipe is provided with an internal section and an external section, and the internal section of the guide pipe penetrates through the welding station and is located between the two membranes; the two welding die heads are in butt joint up and down to weld the two membranes located at the welding station so as to enable the two membranes to form a finished membrane, a countercurrent piece wrapping the built-in section is formed on the finished membrane, the upper end of the countercurrent piece is closed to form an upper end closed edge, the built-in section penetrates through the upper end closed edge, the two sides of the countercurrent piece are closed to form two side closed edges, and the two sides of the countercurrent piece are closed to form two side closed edges. The lower ends of the countercurrent pieces are separately arranged to form lower end separation edges, automatic welding between the countercurrent pieces and the guide pipe is achieved, and the welding efficiency is high.

Description

Technical Field

[0001] The utility model patent relates to the technical field of connection between a counterflow sheet and a catheter, and specifically, to automatic welding equipment for a counterflow sheet and a catheter. Background Art

[0002] A catheter is often provided in the liquid storage bag, which is used to connect with an external device and to inject external liquid into the liquid storage bag; the inner end of the catheter is placed in the liquid storage bag to form an internal section, and the outer end of the catheter is exposed outside the liquid storage bag to form an external section.

[0003] In order to prevent the liquid in the liquid storage bag from flowing back through the catheter, a counterflow sheet is arranged in the built-in section, and the counterflow sheet is used to limit the liquid in the liquid storage bag from flowing out through the catheter. The counterflow sheet includes two membranes, which are arranged facing each other, and the upper ends of the two membranes are attached to each other, and the upper end of the counterflow sheet is closed to form an upper end closed edge. The built-in section passes through the upper end closed edge, and the two sides of the two membranes are attached to each other, and the outer side of the counterflow sheet is closed to form two side closed edges. The lower ends of the two membranes are separated and arranged to form a lower end separation edge. In this way, the liquid can flow from the outside to the inside through the catheter, but the liquid in the liquid storage bag cannot flow from the inside to the outside through the catheter.

[0004] In the prior art, the counterflow sheet is usually provided on the conduit through manual operation, and automatic welding cannot be achieved, resulting in low welding efficiency. Utility Model Content

[0005] The utility model aims to provide an automatic welding device for a counterflow sheet and a conduit, aiming to solve the problem of low welding efficiency in the prior art for welding between the counterflow sheet and the conduit.

[0006] The utility model is realized in this way. The automatic welding equipment for countercurrent sheet and conduit comprises two membrane rolls with membrane rolled up and two welding die heads moving upward and downward toward each other or away from each other. The two welding die heads are arranged upward and downward toward each other, and a welding station is provided between the two welding die heads. The membranes in the two membrane rolls are arranged upward and downward toward each other and pass through the welding station.

[0007] A movable carrier is provided outside the welding station, and a conduit is provided on the movable carrier. The conduit has an internal section facing the welding station and an external section facing away from the welding station. The internal section of the conduit passes through the welding station and is located between two diaphragms.

[0008] The two welding dies are butted up and down to weld the two diaphragms located at the welding station so that the two diaphragms form a finished film. A countercurrent sheet covering the outside of the built-in section is formed on the finished film. The upper end of the countercurrent sheet is closed to form an upper closed edge. The built-in section passes through the upper closed edge. Both sides of the countercurrent sheet are closed to form two side closed edges. The lower end of the countercurrent sheet is separated and arranged to form a lower separated edge.

[0009] Furthermore, the two film rolls are arranged to rotate up and down.

[0010] Furthermore, the automatic welding equipment for counter-flow sheets and conduits includes a vibrating tray for sorting the feeding conduits.

[0011] Furthermore, the vibrating material tray has a material channel in which the supply conduits are arranged in sequence.

[0012] Furthermore, a grabbing head is provided on the material channel, and the grabbing head grabs the conduit on the material channel and docks the conduit with the mobile carrier.

[0013] Furthermore, the movable carrier is movably placed on a guide rail, the guide rail is arranged outside the welding station, and a plurality of the movable carriers are provided on the guide rail.

[0014] Furthermore, along the flow direction of the film, the two film reels are arranged behind the welding station, and a material receiving reel for winding up the finished film is provided in front of the welding station.

[0015] Furthermore, two guide rollers are arranged with an interval between the welding station and the diaphragm drum, and the two guide rollers are arranged in vertical alignment. After the diaphragm in the diaphragm drum passes around the two guide rollers from top to bottom, it passes through the welding station horizontally.

[0016] Furthermore, the welding die head has a welding surface facing the welding station, and two welding side strips and a welding upper strip are convexly provided on the welding surface, and the two ends of the welding upper strip are respectively butted between the upper ends of the two welding side strips, and the space between the lower ends of the two welding side strips is vacant;

[0017] When the welding sides of the two welding dies are in contact with the two diaphragms, the welding side strips are welded on the two diaphragms to form side closed edges, the welding upper strips are welded on the upper ends of the two diaphragms to form upper closed edges, and the lower ends of the two diaphragms form lower separation edges.

[0018] Compared with the prior art, the utility model provides an automatic welding device for counterflow sheets and conduits. Two diaphragm reels are used to load the diaphragms. The two diaphragms pass through the welding station in parallel up and down. The built-in section of the conduit passes between the two diaphragms. The counterflow sheets are formed on the two diaphragms through the upper and lower crimping welding of the welding die head, thereby realizing automatic welding between the counterflow sheets and the conduit, and the welding efficiency is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the automatic welding equipment of the counter-flow sheet and the conduit provided by the utility model;

[0020] Figure 2 yes Figure 1 A is an enlarged schematic diagram;

[0021] Figure 3 It is a front view schematic diagram of the connection between the counterflow sheet and the catheter provided by the utility model;

[0022] Figure 4 It is a schematic diagram of the main view of the welding surface of the welding die head provided by the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0026] Reference Figure 1-4 As shown, it is a preferred embodiment provided by the utility model.

[0027] The automatic welding equipment for countercurrent sheets and ducts comprises two membrane rolls 100 with rolled membranes and two welding dies 300 that move upward and downward toward or away from each other. The two welding dies 300 are arranged upward and downward toward each other, and there is a welding station between the two welding dies 300. The membranes 101 in the two membrane rolls 100 are arranged upward and downward toward each other and pass through the welding station.

[0028] A movable carrier 400 is provided outside the welding station. A conduit 401 is provided on the movable carrier 400 . The conduit 401 has an internal section 402 facing the welding station and an external section 403 facing away from the welding station. The internal section 402 of the conduit 401 passes through the welding station and is located between two diaphragms 101 .

[0029] The two welding dies 300 are butted up and down to weld the two diaphragms 101 located at the welding station so that the two diaphragms 101 form a finished film. The finished film is formed with a counterflow sheet 500 covering the outside of the built-in section 402. The upper end of the counterflow sheet 500 is closed to form an upper closed edge 501. The built-in section 402 passes through the upper closed edge 501. The two sides of the counterflow sheet 500 are closed to form two side closed edges 502. The lower end of the counterflow sheet 500 is separated and arranged to form a lower separation edge 503.

[0030] In the automatic welding equipment for counterflow sheets and catheters provided above, two diaphragm reels 100 are used to load diaphragms 101, and the two diaphragms 101 pass through the welding station in parallel up and down. The built-in section 402 of the catheter 401 passes between the two diaphragms 101, and the counterflow sheets 500 are formed on the two diaphragms 101 through the upper and lower crimping welding of the welding die 300, thereby realizing automatic welding between the counterflow sheets 500 and the catheter 401, and the welding efficiency is relatively high.

[0031] The two film rolls 100 are arranged to rotate up and down, so that continuous feeding of the film 101 can be achieved.

[0032] The counter-flow sheet and conduit automatic welding equipment comprises a vibrating material tray 200 for sorting and loading the conduits 401 , and the automatic loading of the conduits 401 can be realized by the vibrating material tray 200 .

[0033] The vibrating tray 200 has a material channel in which the supply conduits 401 are arranged in sequence. The multiple conduits 401 are loaded by vibration in the vibrating tray 200 and are arranged in sequence in the material channel.

[0034] A grabbing head is provided on the material channel, and the grabbing head grabs the conduit 401 on the material channel and docks the conduit 401 with the mobile carrier 400 , thereby realizing automatic grabbing and arrangement of the conduit 401 .

[0035] In this embodiment, the movable carrier 400 is movably placed on a guide rail, which is arranged outside the welding station, and multiple movable carriers 400 are provided on the guide rail. In this way, the catheter 401 can continuously pass through the welding station, and a continuous welding operation between the catheter 401 and the diaphragm 101 can be achieved.

[0036] Along the flow direction of the film 101, two film rolls 100 are arranged behind the welding station, and a material reel for reeling the finished film is arranged in front of the welding station. The two film sheets 101 are welded to form a finished film, and the film roll 100 is synchronously pulled to send out the film 101 by continuously reeling the material.

[0037] In this embodiment, two guide rollers 102 are arranged between the welding station and the diaphragm roll 100, and the two guide rollers 102 are arranged in vertical alignment. After the diaphragm 101 in the diaphragm roll 100 passes around the two guide rollers 102 from top to bottom, it passes through the welding station horizontally.

[0038] In this embodiment, the welding die head 300 has a welding surface 301 facing the welding station, and two welding side strips 303 and a welding upper strip 302 are protruding from the welding surface 301. The two ends of the welding upper strip 302 are respectively connected between the upper ends of the two welding side strips 303, and the space between the lower ends of the two welding side strips 303 is vacant.

[0039] When the welding sides of the two welding dies 300 are in contact with the two diaphragms 101, the welding side strips 303 are welded on the two diaphragms 101 to form side closed edges, the welding upper strips 302 are welded on the upper ends of the two diaphragms 101 to form upper closed edges 501, and the lower ends of the two diaphragms 101 form lower separation edges 503.

[0040] Heating welding or other types of welding etc. may be used to weld the area enclosed between the upper strip 302 and the welding side edge and the area of ​​the counterflow sheet 500, so that the counterflow sheet 500 may be welded on the two diaphragms 101.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Automatic welding equipment for countercurrent sheet and conduit, characterized in that: It comprises two film rolls with film rolled up and two welding dies moving up and down towards or away from each other, the two welding dies are arranged up and down towards each other, and there is a welding station between the two welding dies, and the films in the two film rolls are arranged up and down towards each other and pass through the welding station; A movable carrier is provided outside the welding station, and a conduit is provided on the movable carrier. The conduit has an internal section facing the welding station and an external section facing away from the welding station. The internal section of the conduit passes through the welding station and is located between two diaphragms. The two welding dies are butted up and down to weld the two diaphragms located at the welding station so that the two diaphragms form a finished film. A countercurrent sheet covering the outside of the built-in section is formed on the finished film. The upper end of the countercurrent sheet is closed to form an upper closed edge. The built-in section passes through the upper closed edge. Both sides of the countercurrent sheet are closed to form two side closed edges. The lower end of the countercurrent sheet is separated and arranged to form a lower separated edge.

2. The automatic welding equipment for counter-flow sheet and conduit according to claim 1, characterized in that: The two film rolls are arranged to rotate up and down.

3. The automatic welding equipment for counter-flow sheet and conduit according to claim 1, characterized in that: The counter-flow sheet and conduit automatic welding equipment comprises a vibrating tray for sorting the feeding conduits.

4. The automatic welding equipment for counter-flow sheet and conduit as claimed in claim 3, characterized in that: The vibrating material tray has a material channel on which the conduits are arranged in sequence.

5. The automatic welding equipment for counter-flow sheet and conduit as claimed in claim 4, characterized in that: The material channel is provided with a grabbing head, which grabs the conduit on the material channel and docks the conduit with the moving carrier.

6. The automatic welding equipment for counter-flow sheet and conduit as claimed in claim 5, characterized in that: The movable carrier is movably placed on a guide rail, the guide rail is arranged outside the welding station, and a plurality of the movable carriers are arranged on the guide rail.

7. The automatic welding equipment for counter-flow sheet and conduit according to any one of claims 1 to 4, characterized in that: Along the flow direction of the film, the two film reels are arranged behind the welding station, and a material receiving reel for winding the finished film is provided in front of the welding station.

8. The automatic welding equipment for counter-flow sheet and conduit according to any one of claims 1 to 4, characterized in that: Two guide rollers are arranged between the welding station and the diaphragm drum, and the two guide rollers are arranged in vertical alignment. After the diaphragm in the diaphragm drum passes around the two guide rollers from top to bottom, it passes through the welding station in a horizontal state.

9. The automatic welding equipment for counter-flow sheet and conduit according to any one of claims 1 to 4, characterized in that: The welding die head has a welding surface facing the welding station, and two welding side strips and a welding upper strip are convexly arranged on the welding surface, and the two ends of the welding upper strip are respectively butted between the upper ends of the two welding side strips, and the space between the lower ends of the two welding side strips is vacant; When the welding sides of the two welding dies are in contact with the two diaphragms, the welding side strips are welded on the two diaphragms to form side closed edges, the welding upper strips are welded on the upper ends of the two diaphragms to form upper closed edges, and the lower ends of the two diaphragms form lower separation edges.

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