Automatic resistance welding equipment for beer filter sieve tube

Abstract

The invention discloses automatic resistance welding equipment for beer filter sieve tubes, which belongs to the technical field of welding of beer filter sieve tubes and comprises a sieve tube feeding and discharging mechanism, a top seat feeding mechanism and a resistance welding mechanism. The screen pipe feeding and discharging mechanism comprises a screen pipe feeding mechanism used for feeding screen pipes, the screen pipe feeding mechanism is installed on one side of the top of a feeding and discharging base, two second jacking air cylinders are arranged on the other side of the top of the feeding and discharging base side by side, and V-shaped bearing blocks are installed at the telescopic ends of the second jacking air cylinders. A first finger air cylinder is installed on the air cylinder installation frame, and two fingers of the first finger air cylinder are each provided with a clamping jaw. Feeding and discharging of the screen pipe can be automatically completed through the screen pipe feeding and discharging mechanism, efficient feeding of a top seat can be completed through the top seat feeding mechanism, butt joint and welding of the screen pipe and the top seat can be automatically achieved, the overall structure is simple, finally, the whole welding process is more efficient, and manual operation is replaced.

Description

Technical Field

[0001] The present invention relates to an automatic resistance welding device for beer filtration sieve tubes, belonging to the welding technical field of beer filtration sieve tubes. Background Art

[0002] A sieve tube is a filtering device commonly used in industries such as chemical engineering, pharmaceuticals, and food. It is usually applied to screen, filter, or separate solid particles or liquid substances, playing a role in filtering impurities, improving work efficiency and product quality. Sieve tubes are generally divided into vibrating sieve tubes and pressure sieve tubes, and the specific usage scenarios are slightly different.

[0003] The filtration effect of beer has a direct impact on the taste and texture of beer. In the beer production process, filtration is generally carried out through a sieve tube. When using a sieve tube for filtration, as Figure 1 shown, one end of the sieve tube 6 needs to be welded to the top seat 5, and the sieve tube 6 is installed and fixed in the filtering device through the top seat 5. In the prior art, when welding the sieve tube 6 and the top seat 5, generally, the sieve tube 6 and the top seat 5 are first manually fixed on corresponding jigs, and then the two jigs are manually butted to achieve the welding of the sieve tube 6 and the top seat 5. During the entire welding process, the sieve tube 6 and the top seat 5 are manually loaded and unloaded, and manual operation is required for welding. The degree of automation is low, and a large amount of labor is occupied.

[0004] In summary, it is obvious that the prior art has inconveniences and defects in actual use, so it is necessary to be improved. Summary of the Invention

[0005] In view of the deficiencies in the background art, the present invention provides an automatic resistance welding device for beer filtration sieve tubes, which can automatically complete the loading and unloading of sieve tubes through a sieve tube loading and unloading mechanism. The top seat loading mechanism can efficiently load the top seat and can automatically dock and weld the sieve tube and the top seat. The overall structure is simple, and finally the entire welding process is made more efficient, replacing manual operations.

[0006] To solve the above technical problems, the present invention adopts the following technical solutions: an automatic resistance welding device for beer filtration sieve tubes, including a sieve tube loading and unloading mechanism, a top seat loading mechanism, and a resistance welding mechanism; The sieve tube loading and unloading mechanism includes a sieve tube loading mechanism for realizing the loading of sieve tubes and a loading and unloading base. The sieve tube loading mechanism is installed on one side of the top of the loading and unloading base. On the other side of the top of the loading and unloading base, two second lifting cylinders are arranged side by side, and a V-shaped bearing block is installed at the telescopic end of the second lifting cylinder; A first linear module is also installed on the loading and unloading base. A sliding member of the first linear module is connected to a cylinder mounting bracket, and a first finger cylinder is installed on the cylinder mounting bracket. A clamping jaw is installed on each of the two fingers of the first finger cylinder. The first finger cylinder and two V-shaped bearing blocks are arranged collinearly. The top seat loading mechanism includes a top seat magazine and a second finger cylinder driven by a second linear module. A clamping block is installed on each of the two fingers of the second finger cylinder.

[0007] Further, the resistance welding mechanism includes a clamping and positioning mechanism and a sliding clamping mechanism. The clamping jaws of the first finger cylinder clamp the sieve tube and push it into the clamping and positioning mechanism, and the clamping blocks of the second finger cylinder clamp the top seat and push it into the sliding clamping mechanism.

[0008] Further, the clamping and positioning mechanism is connected to the neutral wire terminal of the electric control box through a neutral wire connection board, and the sliding clamping mechanism is connected to the live wire terminal of the electric control box through a live wire connection board.

[0009] Further, a welding base is provided at the lower ends of the clamping and positioning mechanism and the sliding clamping mechanism. The lower end of the sliding clamping mechanism is slidably installed on one side of the welding base through a third slide rail, and a servo module is also fixed on the welding base. The servo module drives the sliding clamping mechanism to slide; the clamping and positioning mechanism is fixed on the other side of the welding base.

[0010] Further, the sieve tube loading mechanism includes two oppositely arranged discharging devices. The discharging device includes a cover plate and a bottom plate arranged parallel and spaced apart vertically. The gap between the two forms a discharging channel, and the cover plate and the bottom plate are inclined. The discharging device also includes a sieve tube magazine arranged at the rear ends of the cover plate and the bottom plate. The sieve tube magazine includes two parallel and spaced-apart baffles, and the upper end of the discharging channel is communicated with the sieve tube magazine.

[0011] Further, a blocking block is installed at the outlet at the front end of the bottom plate. A guide plate is inclinedly installed on one side of the blocking block close to the V-shaped bearing block. Two first lifting cylinders are arranged side by side at the position of the front end outlet of the discharging channel between the two discharging devices. A first top block is installed at the telescopic end of the first lifting cylinder, and the upper surface of the first top block is inclined towards the side of the V-shaped bearing block.

[0012] Further, the bottom of the first linear module is slidably installed on the loading and unloading base through a first slide rail, and the position of the first linear module is adjustable in the axial direction of the sieve tube; the discharging device close to the first finger cylinder is slidably arranged through a second slide rail, and the distance between the two discharging devices is adjustable.

[0013] Furthermore, the screen tube loading and unloading mechanism also includes a screen tube unloading mechanism, which includes two return material baffles arranged side by side, and the return material baffle includes a top inclined plate arranged at the upper end and a bottom inclined plate arranged at the lower end, and the top inclined plate and the bottom inclined plate are both inclined to one side, and the top inclined plate is located on one side of the V-shaped bearing block, and the height of the top inclined plate is located between the highest position and the lowest position of the V-shaped bearing block.

[0014] Furthermore, the top seat silo includes a plurality of vertically arranged top seat troughs, the cross-sectional dimensions of the top seat troughs are adapted to the dimensions of the top seats, the top seats are vertically arranged in the top seat troughs, the lower ends of the top seat troughs are provided with top seat discharge ports that pass through from front to back, a pushing cylinder is correspondingly installed at the rear end of the top seat discharge port, and a pushing block is installed at the telescopic end of the pushing cylinder.

[0015] Furthermore, two vibrating cylinders are arranged side by side between the two screen tube silos, and a second top block is installed at the telescopic end of the vibrating cylinder.

[0016] After adopting the above technical solution, the present invention has the following advantages compared with the prior art: 1. The screen tube feeding mechanism includes two relatively inclined discharging channels. The upper end of the discharging channel is connected with the screen tube silo. The first lifting cylinder pushes the first lifting block to lift the screen tube at the front end of the discharging channel. The screen tube slides along the guide plate into the V-shaped bearing block to complete the loading of the screen tube from the screen tube feeding mechanism. The screen tube silo automatically and smoothly discharges the material through the inclined discharging channel without the need for a power device. The material is sent to the V-shaped bearing block under the push of the first lifting cylinder, replacing manual work.

[0017] 2. The screen tube unloading mechanism includes two return baffles arranged side by side. When the screen tube is welded to the top seat and unloading is completed, the first finger cylinder pulls the screen tube out of the clamping positioning mechanism through the clamping claw, so that the screen tube is in the loading position; at this time, the V-shaped bearing block falls back to the lowest position under the push of the second lifting cylinder. At this time, the screen tube falls back to the top inclined plate, and the screen tube rolls from the top inclined plate to the bottom inclined plate to realize unloading; the first finger cylinder reverses the action to pull the screen tube back, so that the V-shaped bearing block becomes the transfer position for loading and unloading. The V-shaped bearing block can be used for loading and unloading at the same time, and the screen tube is cleverly retracted with the help of the return baffle. The structure is simple and automatic unloading is realized.

[0018] 3. The top seat in the top seat trough is arranged vertically, which makes the structure of the top seat silo simpler and smaller in size. When discharging, the material falls automatically under the action of gravity, and the push cylinder is close to the back side of the top seat discharge port. The push cylinder has a short action stroke and a fast loading speed.

[0019] 4. The resistance welding mechanism includes a clamping and positioning mechanism and a sliding clamping mechanism. The electric clamping heads of the clamping and positioning mechanism and the sliding clamping mechanism respectively clamp the screen pipe and the top seat. The servo module drives the sliding clamping mechanism to approach the clamping and positioning mechanism, so that the welding end of the screen pipe and the top seat are in contact and fused together to complete the welding. During the whole welding process, no manual participation is required, and the welding time is completely controlled electrically, with high automation and good welding quality.

[0020] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. Brief Description of the Drawings

[0021] Figure 1 is a schematic diagram of the combined welding of the screen pipe and the top seat; Figure 2 is a three-dimensional structure schematic diagram of the present invention; Figure 3 is a top view of the present invention; Figure 4 is a structural schematic diagram of the screen pipe loading and unloading mechanism in the present invention; Figure 5 is a top view of the screen pipe loading and unloading mechanism in the present invention; Figure 6 is Figure 5 a cross-sectional view along A-A in; Figure 7 is a structural schematic diagram of the top seat loading mechanism in the present invention; Figure 8 is a structural schematic diagram of the resistance welding mechanism in the present invention.

[0022] In the figure, 1 - screen pipe loading and unloading mechanism, 101 - loading and unloading base, 102 - cover plate, 103 - bottom plate, 104 - baffle, 105 - vibration cylinder, 106 - blocking block, 107 - first lifting cylinder, 108 - second lifting cylinder, 109 - V-shaped bearing block, 110 - clamping jaw, 111 - first finger cylinder, 112 - first linear module, 113 - cylinder mounting bracket, 114 - first slide rail, 115 - material blocking brush, 116 - return material baffle, 1161 - top inclined plate, 1162 - bottom inclined plate, 117 - guide plate, 118 - second slide rail, 119 - blocking plate, 2 - top seat loading mechanism, 201 - top seat material groove, 202 - pushing cylinder, 203 - second linear module, 204 - connecting arm, 205 - second finger cylinder, 206 - clamping block, 3 - resistance welding mechanism, 301 - clamping and positioning mechanism, 302 - sliding clamping mechanism, 303 - servo module, 304 - welding base, 305 - third slide rail, 306 - zero line connection board, 307 - live line connection board, 4 - electric control box, 5 - top seat, 6 - screen pipe. Detailed Embodiments

[0023] In order to have a clearer understanding of the technical features, objectives, and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0024] As shown in Figure 2-3 , the present invention provides an automatic resistance welding device for a beer filtration sieve tube, which includes a sieve tube loading and unloading mechanism 1, a top seat loading mechanism 2, and a resistance welding mechanism 3.

[0025] As shown in Figure 4 , the sieve tube loading and unloading mechanism 1 includes a sieve tube loading mechanism for realizing the loading of the sieve tube 6 and a loading and unloading base 101. The sieve tube loading mechanism is installed on one side of the top of the loading and unloading base 101. On the other side of the top of the loading and unloading base 101, two second lifting cylinders 108 are arranged side by side. A V-shaped bearing block 109 is installed at the telescopic end of the second lifting cylinder 108. The sieve tube loading mechanism sends the sieve tube 6 to the two V-shaped bearing blocks 109 arranged side by side.

[0026] A first linear module 112 is also installed on the loading and unloading base 101. The sliding member of the first linear module 112 is connected to a cylinder mounting frame 113. A first finger cylinder 111 is installed on the cylinder mounting frame 113. A clamping jaw 110 is installed on each of the two fingers of the first finger cylinder 111; the first finger cylinder 111 is arranged collinearly with the two V-shaped bearing blocks 109. The first linear module 112 drives the first finger cylinder 111 to move back and forth along the axis direction of the sieve tube 6. The clamping jaw 110 of the first finger cylinder 111 clamps one end of the sieve tube 6 and moves along the axial direction of the tube, pushing the sieve tube 6 into the resistance welding mechanism 3 for welding.

[0027] The top seat loading mechanism 2 includes a top seat storage bin and a second finger cylinder 205 driven by a second linear module 203. A clamping block 206 is installed on each of the two fingers of the second finger cylinder 205. The clamping block 206 clamps the top seat 5 discharged from the top seat storage bin. Driven by the second linear module 203, the clamping block 206 pushes the top seat 5 into the resistance welding mechanism 3 for welding.

[0028] As shown in Figure 8 , the resistance welding mechanism 3 includes a clamping and positioning mechanism 301 and a sliding clamping mechanism 302. The clamping jaw 110 of the first finger cylinder 111 clamps the sieve tube 6 and pushes it into the clamping and positioning mechanism 301. The clamping block 206 of the second finger cylinder 205 clamps the top seat 5 and pushes it into the sliding clamping mechanism 302; the clamping and positioning mechanism 301 is connected to the zero wire terminal of the electric control box 4 through a zero wire connection board 306, and the sliding clamping mechanism 302 is connected to the live wire terminal of the electric control box 4 through a live wire connection board 307.

[0029] As shown in Figure 8, a welding base 304 is provided at the lower ends of the clamping and positioning mechanism 301 and the sliding clamping mechanism 302. The lower end of the sliding clamping mechanism 302 is slidably mounted on one side of the welding base 304 through a third slide rail 305. A servo module 303 is also fixed on the welding base 304, and the servo module 303 drives the sliding clamping mechanism 302 to slide; the clamping and positioning mechanism 301 is fixed on the other side of the welding base 304. Electric clamping heads are installed on the opposite sides of the clamping and positioning mechanism 301 and the sliding clamping mechanism 302. The electric clamping heads of the clamping and positioning mechanism 301 and the sliding clamping mechanism 302 respectively clamp the welding end of the screen pipe 6 and the top seat 5, so that the screen pipe 6 and the top seat 5 are coaxially arranged opposite to each other. The servo module 303 drives the sliding clamping mechanism 302 to approach the clamping and positioning mechanism 301, so that the welding end of the screen pipe 6 and the top seat 5 are attached. Since the screen pipe 6 is connected to the zero line and the top seat 5 is connected to the live line, a large current is generated when the two are attached, causing the two to fuse and complete the welding. During the entire welding process, no manual participation is required, and the welding time is completely controlled electrically, with high automation and good welding quality.

[0030] As Figure 4 , the screen pipe feeding mechanism includes two oppositely arranged discharging devices. The discharging device includes a cover plate 102 and a bottom plate 103 that are arranged parallel to each other at an upper and lower interval, and the gap between the two forms a discharging channel. The cover plate 102 and the bottom plate 103 are inclined, so that the screen pipe 6 discharged from the front end outlet of the discharging channel slides onto two V-shaped bearing blocks 109. The discharging device also includes a screen pipe bin arranged at the rear ends of the cover plate 102 and the bottom plate 103. The screen pipe bin includes two baffle plates 104 arranged parallel to each other at an interval. The upper end of the discharging channel is communicated with the screen pipe bin. The two ends of the screen pipe 6 are respectively placed in the screen pipe bins of the two discharging devices. Due to the inclined arrangement of the discharging channel, under the action of gravity, as the feeding progresses, the screen pipe 6 continuously discharges from the discharging channel.

[0031] As Figure 4 , a blocking block 106 is installed at the front end outlet of the bottom plate 103. A guiding plate 117 is inclinedly installed on the side of the blocking block 106 close to the V-shaped bearing block 109. Two first lifting cylinders 107 are arranged side by side at the position of the front end outlet of the discharging channel between the two discharging devices. A first top block is installed at the telescopic end of the first lifting cylinder 107, and the upper surface of the first top block is inclined towards the side of the V-shaped bearing block 109. The screen pipe 6 located at the front end of the discharging channel is blocked by the blocking block 106. During feeding, the first lifting cylinder 107 pushes the first top block to rise, lifting the screen pipe 6 at the front end of the discharging channel. The screen pipe 6 slides along the guiding plate 117 into the V-shaped bearing block 109, completing the feeding of the screen pipe 6 from the screen pipe feeding mechanism; the screen pipe bin automatically and smoothly discharges materials through the inclined discharging channel without a power device, with a simple structure, and is sent to the V-shaped bearing block 109 under the push of the first lifting cylinder 107, replacing manual operation.

[0032] As Figure 4 , the bottom of the first linear module 112 is slidably mounted on the loading and unloading base 101 through the first slide rail 114. The position of the first linear module 112 is adjustable in the axial direction of the sieve tube 6. After adjusting the position of the first linear module 112, it is locked by a locking device. The discharging device near the first finger cylinder 111 is slidably arranged through the second slide rail 118, so that the distance between the two discharging devices is adjustable. After the position of the discharging device is adjusted, it is locked by a locking device. The lengths of the sieve tubes 6 are different. When the length of the sieve tube 6 is longer, the adjustable discharging device is moved towards the outer end, so that the distance between the two discharging devices is adapted to the length of the sieve tube 6. At the same time, the first linear module 112 is moved towards the outer end, so that the clamping jaws 110 can clamp the end of the sieve tube 6. When the sieve tube 6 is shorter, the discharging device and the first linear module 112 are adjusted in the reverse direction, so that the sieve tube loading and unloading mechanism 1 can be used for sieve tubes 6 of different sizes and specifications.

[0033] As Figure 4 , two vibration cylinders 105 are arranged side by side between the two sieve tube bins. A second top block is installed at the telescopic end of the vibration cylinder 105. The vibration cylinder 105 pushes the second top block to move up and down, so as to drive the sieve tube 6 in the sieve tube bin to move, preventing the sieve tube 6 from jamming in the sieve tube bin and causing poor discharging.

[0034] As Figure 4-6 , the sieve tube loading and unloading mechanism 1 further includes a sieve tube discharging mechanism. The sieve tube discharging mechanism includes two return baffle plates 116 arranged side by side. The return baffle plates 116 include a top inclined plate 1161 arranged at the upper end and a bottom inclined plate 1162 arranged at the lower end. Both the top inclined plate 1161 and the bottom inclined plate 1162 are inclined towards one side. The top inclined plate 1161 is located on one side of the V-shaped bearing block 109, and the height of the top inclined plate 1161 is between the highest position and the lowest position of the V-shaped bearing block 109.

[0035] When the screen tube 6 is loaded, the V-shaped bearing block 109 is in the highest position under the push of the second lifting cylinder 108, so that the screen tube 6 is placed in the V-shaped bearing block 109; when the screen tube 6 is welded to the top seat 5 and unloading is completed, the first finger cylinder 111 pulls the screen tube 6 out of the clamping positioning mechanism 301 through the clamp 110, so that the screen tube 6 is in the loading position; at this time, the V-shaped bearing block 109 falls back to the lowest position under the push of the second lifting cylinder 108, and at this time the screen tube 6 falls back to the top inclined plate 1161, and the screen tube 6 rolls from the top inclined plate 1161 to the bottom inclined plate 1162 to realize unloading. When unloading, the first finger cylinder 111 moves in the reverse direction to pull back the screen tube 6, so that the V-shaped supporting block 109 becomes the transfer position for loading and unloading. The V-shaped supporting block 109 can be used for loading and unloading at the same time, and the screen tube 6 is cleverly retracted with the help of the return baffle 116. The structure is simple and automatic unloading is realized.

[0036] A material-blocking brush 115 is fixedly installed at the upper end of the bottom inclined plate 1162 to block the screen tube 6 from rolling down and slow down its speed; a blocking plate 119 is installed at the lower end of the bottom inclined plate 1162 to block the screen tube 6 after the material is unloaded.

[0037] like Figure 7 The top seat silo includes a plurality of top seat troughs 201 arranged vertically. The cross-sectional dimensions of the top seat troughs 201 are adapted to the dimensions of the top seat 5. The top seat 5 is arranged vertically in the top seat troughs 201. The lower end of the top seat troughs 201 is provided with a top seat discharge port that passes through from front to back. A push cylinder 202 is correspondingly installed at the rear end of the top seat discharge port. A push block is installed at the telescopic end of the push cylinder 202. When the top seat trough 201 needs to discharge, the second finger cylinder 205 drives the two clamping blocks 206 to move to the top seat discharge port. The corresponding push cylinder 202 moves the push block forward and pushes the top seat 5 between the two clamping blocks 206. The second finger cylinder 205 drives the two clamping blocks 206 to clamp the top seat 5 to complete the material removal. The top seat 5 in the top seat trough 201 is arranged vertically, making the structure of the top seat silo simpler and smaller in size; when discharging, the material automatically falls down under the action of gravity, and the pushing cylinder 202 is close to the back side of the top seat discharge port. The pushing cylinder 202 has a short action stroke and a fast loading speed.

[0038] The sliding part of the second linear module 203 is connected to a connecting arm 204 , and the length extension direction of the connecting arm 204 is consistent with the moving direction of the second linear module 203 . The second finger cylinder 205 is installed on the connecting arm 204 , extending the outward moving distance of the second finger cylinder 205 .

[0039] The above is an example of the best implementation mode of the present invention, and the parts not described in detail are all common general knowledge in the art. The protection scope of the present invention shall be subject to the content of the claims, and any equivalent transformation based on the technical revelation of the present invention is also within the protection scope of the present invention.

Claims

1. An automatic resistance welding device for beer filter screen tubes, characterized in that: It comprises a screen tube loading and unloading mechanism (1), a top seat loading mechanism (2), and a resistance welding mechanism (3); The screen tube loading and unloading mechanism (1) comprises a screen tube loading mechanism for loading the screen tube (6) and a loading and unloading base (101), the screen tube loading mechanism being installed on one side of the top of the loading and unloading base (101), and two second lifting cylinders (108) being arranged side by side on the other side of the top of the loading and unloading base (101), and a V-shaped bearing block (109) being installed at the telescopic end of the second lifting cylinder (108); A first linear module (112) is also installed on the loading and unloading base (101); a sliding component of the first linear module (112) is connected to a cylinder mounting frame (113); a first finger cylinder (111) is installed on the cylinder mounting frame (113); two fingers of the first finger cylinder (111) are respectively installed with a clamping claw (110); the first finger cylinder (111) and the two V-shaped bearing blocks (109) are arranged in a colinear manner; The top seat loading mechanism (2) comprises a top seat material bin and a second finger cylinder (205) driven by a second linear module (203), and two fingers of the second finger cylinder (205) are respectively equipped with a clamping block (206).

2. The automatic resistance welding device for beer filter screen tube according to claim 1, characterized in that: The resistance welding mechanism (3) comprises a clamping and positioning mechanism (301) and a sliding clamping mechanism (302); the clamping claw (110) of the first finger cylinder (111) clamps the screen tube (6) and pushes it into the clamping and positioning mechanism (301); the clamping block (206) of the second finger cylinder (205) clamps the top seat (5) and pushes it into the sliding clamping mechanism (302).

3. The automatic resistance welding device for beer filter screen tube according to claim 2, characterized in that: The clamping and positioning mechanism (301) is connected to the neutral wire terminal of the electric control box (4) through the neutral wire terminal board (306), and the sliding clamping mechanism (302) is connected to the live wire terminal of the electric control box (4) through the live wire terminal board (307).

4. The automatic resistance welding device for beer filter screen tube according to claim 3, characterized in that: A welding base (304) is provided at the lower ends of the clamping and positioning mechanism (301) and the sliding clamping mechanism (302); the lower end of the sliding clamping mechanism (302) is slidably mounted on one side of the welding base (304) via a third slide rail (305); a servo module (303) is also fixed on the welding base (304); the servo module (303) drives the sliding clamping mechanism (302) to slide; the clamping and positioning mechanism (301) is fixed on the other side of the welding base (304).

5. The automatic resistance welding device for beer filter screen tube according to claim 1, characterized in that: The screen tube feeding mechanism comprises two discharge devices arranged opposite to each other, the discharge devices comprising a cover plate (102) and a bottom plate (103) arranged in parallel and spaced relation, a gap between the two forming a discharge channel, and the cover plate (102) and the bottom plate (103) being arranged in an inclined manner; The material discharging device further comprises a screen tube silo arranged at the rear ends of the cover plate (102) and the bottom plate (103), the screen tube silo comprising two baffles (104) arranged in parallel and spaced apart, and the upper end of the material discharging channel is in communication with the screen tube silo.

6. The automatic resistance welding device for beer filter screen tube according to claim 5, characterized in that: A blocking block (106) is installed at the outlet of the front end of the bottom plate (103), and a guide plate (117) is installed obliquely on one side of the blocking block (106) close to the V-shaped bearing block (109). Two first lifting cylinders (107) are arranged side by side at the front outlet of the discharge channel between the two discharge devices, and a first lifting block is installed at the telescopic end of the first lifting cylinder (107), and the upper surface of the first lifting block is arranged obliquely toward one side of the V-shaped bearing block (109).

7. The automatic resistance welding device for beer filter screen tube according to claim 6, characterized in that: The bottom of the first linear module (112) is slidably mounted on the loading and unloading base (101) via a first slide rail (114), and the position of the first linear module (112) is adjustable along the axial direction of the screen tube (6); the discharge device close to the first finger cylinder (111) is slidably arranged via a second slide rail (118), and the distance between the two discharge devices is adjustable.

8. The automatic resistance welding device for beer filter screen tube according to claim 1, characterized in that: The screen tube loading and unloading mechanism (1) further comprises a screen tube unloading mechanism, wherein the screen tube unloading mechanism comprises two return material baffles (116) arranged side by side, wherein the return material baffles (116) comprise a top inclined plate (1161) arranged at the upper end and a bottom inclined plate (1162) arranged at the lower end, wherein the top inclined plate (1161) and the bottom inclined plate (1162) are both arranged to be inclined toward one side, the top inclined plate (1161) is located on one side of the V-shaped bearing block (109), and the height of the top inclined plate (1161) is located between the highest position and the lowest position of the V-shaped bearing block (109).

9. The automatic resistance welding device for beer filter screen tube according to claim 1, characterized in that: The top seat silo comprises a plurality of top seat troughs (201) arranged vertically, the cross-sectional dimensions of the top seat troughs (201) being adapted to the dimensions of the top seat (5), the top seat (5) being arranged vertically in the top seat troughs (201), the lower end of the top seat troughs (201) being provided with a top seat discharge port which is through-through from front to back, a push cylinder (202) being correspondingly mounted at the rear end of the top seat discharge port, and a push block being mounted at the telescopic end of the push cylinder (202).

10. The automatic resistance welding device for beer filter screen tube according to claim 5, characterized in that: Two vibrating cylinders (105) are arranged side by side between the two screen tube silos, and a second top block is installed at the telescopic end of the vibrating cylinder (105).

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