Automatic feeding device for rim forming machine

Abstract

The present invention relates to the technical field of automatic material transfer for rim forming machines, and specifically to an automatic material transfer device for rim forming machines, comprising a feeding rack, wherein the feeding rack is provided with a drainage structure, the feeding rack is provided with a water collecting structure, the feeding rack is provided with a measuring structure, the measuring structure is provided with an adjustment structure, the measuring structure is provided with a marking structure, and the measuring structure is provided with a sliding structure; the drainage structure and the water collecting structure cooperate to facilitate the water dripping on the rim when feeding the material outward along the feeding rack during rim forming, and collect and recycle the water, thereby saving resources; the measuring structure can measure the diameter of the rim after production to determine whether the production is qualified; the adjusting structure can facilitate the adjustment of the measuring structure according to the size of the produced rim; the marking structure and the sliding structure cooperate to facilitate the marking of rims that fail the measurement, thereby facilitating re-inspection of the unqualified rims to determine whether further processing is required.

Description

Technical Field

[0001] The invention relates to the technical field of automatic material transfer for a rim forming machine, in particular to an automatic material transfer device for a rim forming machine. Background Art

[0002] The car rim is a component on the periphery of the wheel where the tire is mounted. It supports the entire vehicle and drives the tire to make circular motion while the car is driving. The car tire rolls in a perfect circle to prevent the entire vehicle from running off the track. Therefore, the wheel rim is a very important component to ensure the smooth driving of the car. At present, the car rim can be processed and formed by a rim forming machine. The formed rim can be placed on a feeding rack for feeding by a robotic arm.

[0003] However, since the rim needs to be sprayed with water to lower its surface temperature during the processing, and the processed rim is directly placed on the feed rack by the robotic arm without water treatment, it causes a waste of water resources. In addition, the diameter of the rim needs to be measured after processing, but it is inconvenient to measure the rim as it rolls on the feed rack, and the rim with unqualified measured diameter is not marked, which makes it easy to make mistakes. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides an automatic material transfer device for a rim forming machine.

[0005] The technical solution adopted by the present invention to solve the technical problem is: an automatic feeding device for a rim forming machine, comprising a feeding rack, a drainage structure provided on the feeding rack, a water collecting structure provided on the feeding rack, a measuring structure provided on the feeding rack, an adjusting structure provided on the measuring structure, a marking structure provided on the measuring structure, and a sliding structure provided on the measuring structure;

[0006] The drainage structure includes a protrusion, a plurality of protrusions are detachably connected to the feeding rack, a plurality of filters are provided on the feeding rack, a clamping block is fixedly connected to the bottom end of the protrusion, a clamping slot is provided on the feeding rack, and the clamping block and the clamping slot are engaged.

[0007] Specifically, a sealing block is slidably connected inside the feeding rack, and a spring is fixedly connected between the sealing block and the feeding rack.

[0008] Specifically, the water collection structure includes a water inlet pipe, a plurality of water inlet pipes are fixedly connected to the feeding rack, a water collecting pipe is fixedly connected inside the feeding rack, the plurality of water inlet pipes are connected to the water collecting pipe, a water outlet pipe is fixedly connected to the bottom end of the water collecting pipe, a water collecting box is detachably connected to the bottom end of the feeding rack, and a mounting plate is fixedly connected to the bottom end of the feeding rack.

[0009] Specifically, a slider is slidably connected to the mounting plate, the slider is fixedly connected to the water collecting tank, one side of the slider is fixedly connected to a limiting block, and the limiting block is engaged with the mounting plate.

[0010] Specifically, the measuring structure includes a fixed frame, the feeding frame is fixedly connected to the fixed frame, a cylinder is installed on the fixed frame, the output end of the cylinder is fixedly connected to a support plate, a splint is slidably connected to one side of the support plate, the other side of the support plate is fixedly connected to a fixed plate, and a measuring ruler is fixedly connected to one side of the support plate.

[0011] Specifically, the bottom end of the fixed plate is rotatably connected to a baffle, the baffle is slidably connected to a clamping rod, and the clamping rod is plugged into the fixed plate.

[0012] Specifically, the adjustment structure includes an adjustment block, an adjustment block is slidably connected to the support plate, the adjustment block and the splint are fixedly connected, an insertion rod is slidably connected to the splint, a slot is provided on the support plate, the insertion rod passes through the adjustment block and engages with the slot, a push block is fixedly connected to the bottom end of the insertion rod, and a spring is fixedly connected between the push block and the splint.

[0013] Specifically, the marking structure includes a fixed box, one side of the fixed plate is fixedly connected to the fixed box, a push rod is slidably connected in the fixed box, an extrusion plate is fixedly connected to the push rod, an infusion tube and a liquid outlet tube are fixedly connected to the top of the fixed box, an infusion tube is installed with a liquid inlet valve, a liquid outlet valve is installed on the liquid outlet tube, one end of the liquid outlet tube is fixedly connected to a nozzle, a liquid storage tank is fixedly connected to the support plate, and the liquid storage tank and the infusion tube are connected.

[0014] Specifically, the sliding structure includes a moving block, the baffle is slidably connected to the moving block, the bottom end of the moving block is fixedly connected to a sliding rod, and the side end of the moving block is fixedly connected to a grip rod.

[0015] Specifically, a protruding ring is fixedly connected to the sliding rod, a groove is provided on the baffle, and the protruding ring and the groove are engaged with each other.

[0016] The beneficial effects of the present invention are:

[0017] (1) The present invention relates to an automatic feeding device for a rim forming machine, wherein a draining structure is provided on the feeding rack, and a water collecting structure is provided on the feeding rack; the draining structure facilitates the rim to be fed outward along the feeding rack during rim forming, so that the rim shakes during the rolling process, causing water on the rim to drip, and the water collecting structure facilitates the collection of the dripping water, which is recycled and saves resources, that is, the feeding rack is tilted and placed at the discharge end of the rim forming machine, and the rim formed by the rim forming machine can be automatically placed at the entrance of the feeding rack by a robotic arm, and since the rim needs to be sprayed with water to reduce its surface temperature during processing, when the rim is placed on the feeding rack, the rim can roll down along the feeding rack and gradually pass through the feeding rack. The protrusion on the feeding rack shakes and shakes off the water on the rim. The shaken water can flow into the water collecting pipe through the filter and the water inlet pipe, and is collected by the water collecting pipe and flows into the water collecting tank through the outlet pipe. When there is a lot of water stored in the water collecting tank, the water collecting tank can be pulled so that the limit block on the side of the slider on the water collecting tank no longer engages with the mounting plate. The water collecting tank can be pulled further to slide the slider out of the mounting plate, and the water collected in the water collecting tank can be reused to save water resources. When the protrusion on the feeding rack needs to be removed, the protrusion can be pulled upward to deform the block at the bottom of the protrusion and no longer engage with the slot on the feeding rack. At this time, the sealing block and the feeding rack can be made to conflict with each other through the spring to seal the slot and prevent water from accumulating in the slot.

[0018] (2) The present invention relates to an automatic feeding device for a rim forming machine, wherein a measuring structure is provided on the feeding frame, and an adjusting structure is provided on the measuring structure; the diameter of the rim produced can be measured by the measuring structure to determine whether the production is qualified, and the measuring structure can be conveniently adjusted according to the size of the produced rim through the adjusting structure, that is, when the produced rim rolls on the feeding frame, the cylinder on the fixed frame can drive the support plate to move downward, and the baffle at the bottom end of the fixed plate on one side of the support plate can first contact the rim, and then the support plate continues to move downward, and the clamping plate on the other side of the support plate can cooperate with the baffle to clamp the rim, and the diameter of the rim can be measured. If the diameters are different, the push block in the splint can be pushed to drive the insertion rod to move downward and no longer engage with the slot on the support plate. Then the sliding adjustment block can be used to drive the splint to slide. According to the diameter of the rim to be produced, the splint can be slid to the value on the measuring ruler. Then the push block can be released, and the insertion rod can be moved upward by the spring between the insertion rod and the splint until the insertion rod passes through the adjusting block and engages with the slot on the support plate. Then the diameter of the rim can be measured by the distance between the fixed plate and the splint. After the measurement, the clamping rod on the baffle can be pulled so that the clamping rod no longer engages with the fixed plate. The baffle can be rotated, and the measured rim continues to roll forward along the inclined surface of the feed rack.

[0019] (3) The present invention relates to an automatic feeding device for a rim forming machine, wherein a marking structure is provided on the measuring structure, and a sliding structure is provided on the measuring structure; the marking structure and the sliding structure cooperate to facilitate marking of rims that fail to meet the measurement requirements, and facilitate re-inspection of the unqualified rims to determine whether further processing is required, that is: when the diameter of the rim meets the requirements, the moving block in the baffle can be pulled downward by the gripping rod, so that the moving block drives the slide bar to move downward, and the protruding ring on the slide bar is engaged with the groove in the baffle to fix the moving block. At this time, there is an empty slot between the top of the moving block and the top of the baffle, and the baffle can be rotated to make the rim that meets the measurement roll forward. When the baffle rotates, the push rod on the fixed box is located in the empty slot between the moving block and the baffle, and the push rod does not move. When the rim measurement fails to meet the requirements, the push rod is moved upward by the gripping rod. At this time, the marking liquid in the liquid storage tank flows into the gap between the extrusion plate and the fixed box through the liquid inlet valve on the infusion pipe, avoiding that the marking liquid in the fixed box is not replenished and cannot mark the unqualified wheel rim. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and examples.

[0021] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of an automatic material transfer device for a rim forming machine provided by the present invention;

[0022] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0023] Figure 3 It is a schematic diagram of the connection structure between the water collecting box and the mounting plate of the present invention;

[0024] Figure 4 for Figure 3 An enlarged schematic diagram of the structure of part B is shown;

[0025] Figure 5 Schematic diagram of the connection structure of the support plate and the clamping plate of the present invention;

[0026] Figure 6 for Figure 5 The enlarged schematic diagram of the C-section structure is shown;

[0027] Figure 7 for Figure 5 An enlarged schematic diagram of the D portion structure is shown;

[0028] Figure 8 for Figure 5 The enlarged schematic diagram of the E part structure is shown.

[0029] In the figure: 1. Feeding rack; 2. Drainage structure; 201. Protrusion; 202. Filter; 203. Block; 204. Slot; 205. Sealing block; 3. Water collection structure; 301. Water inlet pipe; 302. Water collection pipe; 303. Water outlet pipe; 304. Water collection box; 305. Mounting plate; 306. Slider; 307. Limit block; 4. Measuring structure; 401. Fixing frame; 402. Cylinder; 403. Support plate; 404. Clamp; 405. Fixing plate; 406. Baffle; 40 7. Measuring ruler; 408. Clamping rod; 5. Adjusting structure; 501. Adjusting block; 502. Inserting rod; 503. Slot; 504. Pushing block; 6. Marking structure; 601. Fixed box; 602. Pushing rod; 603. Extrusion plate; 604. Liquid inlet valve; 605. Liquid outlet valve; 606. Liquid outlet pipe; 607. Nozzle; 608. Infusion tube; 609. Liquid storage tank; 7. Sliding structure; 701. Moving block; 702. Sliding rod; 703. Grip; 704. Protruding ring; 705. Groove. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0031] like Figures 1-8 As shown, the alcohol disinfectant filling equipment of the present invention includes a feeding rack 1, a drainage structure 2 is provided on the feeding rack 1, a water collecting structure 3 is provided on the feeding rack 1, a measuring structure 4 is provided on the measuring structure 4, an adjusting structure 5 is provided on the measuring structure 4, a marking structure 6 is provided on the measuring structure 4, and a sliding structure 7 is provided on the measuring structure 4;

[0032] The drainage structure 2 includes a protrusion 201, and a plurality of protrusions 201 are detachably connected to the feeding rack 1. The feeding rack 1 is provided with a plurality of filter screens 202. The bottom end of the protrusion 201 is fixedly connected to a clamping block 203, and the feeding rack 1 is provided with a clamping slot 204, and the clamping block 203 and the clamping slot 204 are engaged; a sealing block 205 is slidably connected inside the feeding rack 1, and a spring is fixedly connected between the sealing block 205 and the feeding rack 1; thereby facilitating the drainage and collection of water on the rim and saving water resources.

[0033] Specifically, the water collection structure 3 includes a water inlet pipe 301, a plurality of water inlet pipes 301 are fixedly connected to the feeding rack 1, a water collecting pipe 302 is fixedly connected inside the feeding rack 1, the plurality of water inlet pipes 301 are connected to the water collecting pipe 302, the bottom end of the water collecting pipe 302 is fixedly connected to a water outlet pipe 303, the bottom end of the feeding rack 1 is detachably connected to a water collecting box 304, and the bottom end of the feeding rack 1 is fixedly connected to a mounting plate 305; a slider 306 is slidably connected to the mounting plate 305, the slider 306 is fixedly connected to the water collecting box 304, and a limit block 307 is fixedly connected to one side of the slider 306, and the limit block 307 is engaged with the mounting plate 305; thereby facilitating the collection of the drained water for recycling.

[0034] Specifically, the measuring structure 4 includes a fixed frame 401, the fixed frame 401 is fixedly connected to the feeding frame 1, a cylinder 402 is installed on the fixed frame 401, the output end of the cylinder 402 is fixedly connected to a support plate 403, one side of the support plate 403 is slidably connected to a clamping plate 404, the other side of the support plate 403 is fixedly connected to a fixed plate 405, and one side of the support plate 403 is fixedly connected to a measuring ruler 407; the bottom end of the fixed plate 405 is rotatably connected to a baffle 406, the baffle 406 is slidably connected to a clamping rod 408, and the clamping rod 408 and the fixed plate 405 are plugged in; thereby facilitating the measurement of the diameter of the produced rim and determining whether it meets the standards.

[0035] Specifically, the adjustment structure 5 includes an adjustment block 501, the support plate 403 is slidably connected to the adjustment block 501, the adjustment block 501 and the clamping plate 404 are fixedly connected, the clamping plate 404 is slidably connected to the insertion rod 502, the support plate 403 is provided with a slot 503, the insertion rod 502 passes through the adjustment block 501 and is engaged with the slot 503, the bottom end of the insertion rod 502 is fixedly connected to a push block 504, and a spring is fixedly connected between the push block 504 and the clamping plate 404; thereby facilitating the adjustment of the position of the clamping plate 404 according to the diameter of the rim produced, and facilitating the measurement of whether the diameter of the rim is qualified.

[0036] Specifically, the marking structure 6 includes a fixed box 601, one side of the fixed plate 405 is fixedly connected to the fixed box 601, a push rod 602 is slidably connected to the fixed box 601, the push rod 602 is fixedly connected to the extrusion plate 603, the top of the fixed box 601 is fixedly connected to an infusion tube 608 and a liquid outlet tube 606, the infusion tube 608 is installed with a liquid inlet valve 604, the liquid outlet tube 606 is installed with a liquid outlet valve 605, one end of the liquid outlet tube 606 is fixedly connected to a nozzle 607, the support plate 403 is fixedly connected to a liquid storage tank 609, the liquid storage tank 609 and the infusion tube 608 are connected; thereby facilitating the marking of rims that fail the measurement.

[0037] Specifically, the sliding structure 7 includes a moving block 701, the moving block 701 is slidably connected to the baffle 406, the bottom end of the moving block 701 is fixedly connected to a sliding rod 702, and the side end of the moving block 701 is fixedly connected to a gripping rod 703; a protruding ring 704 is fixedly connected to the sliding rod 702, and a groove 705 is provided on the baffle 406, and the protruding ring 704 and the groove 705 are engaged; thereby facilitating the selection of whether to mark the rim according to the detection condition of the rim.

[0038] When the present invention is in use, the feed rack 1 is first placed obliquely at the discharge end of the rim forming machine. The rim formed by the rim forming machine can be automatically placed at the entrance of the feed rack 1 by a robotic arm. Since the rim needs to be sprayed with water to lower its surface temperature during processing, when the rim is placed on the feed rack 1, the rim can roll downward along the feed rack 1 and gradually shake through the protrusions 201 on the feed rack 1 to shake off the water on the rim. The shaken-off water can flow into the water collecting pipe 302 through the filter screen 202 and the water inlet pipe 301, and is collected through the water collecting pipe 302 and flows into the water collecting tank 304 through the water outlet pipe 303. When a large amount of water is stored in the water collecting tank 304, the water collecting tank 304 can be pulled so that the limit block 307 on the side of the slider 306 on the water collecting tank 304 is no longer in contact with the mounting plate 305 is engaged, and the water collecting box 304 is continued to be pulled to slide the slider 306 out of the mounting plate 305, so that the water collected in the water collecting box 304 is reused to save water resources. When the protrusion 201 on the feeding rack 1 needs to be removed, the protrusion 201 can be pulled upward to deform the block 203 at the bottom of the protrusion 201 and no longer engage with the slot 204 on the feeding rack 1. At this time, the sealing block 205 can be made to contact the feeding rack 1 through the spring to seal the slot 204 to prevent water from accumulating in the slot 204. When the produced rim rolls on the feeding rack 1, the cylinder 402 on the fixing frame 401 can drive the support plate 403 to move downward, and the baffle 406 at the bottom end of the fixing plate 405 on one side of the support plate 403 can first contact the rim, and then the support plate 403 continues to move downward, and the clamping plate 404 on the other side of the support plate 403 can cooperate with the baffle 406 to clamp the rim to measure the diameter of the rim. When the diameter of the produced rim is different, the pushing block 504 in the clamping plate 404 can be pushed, so that the pushing block 504 drives the insertion rod 502 to move downward and no longer engages with the slot 503 on the support plate 403. Then, the sliding adjustment block 501 drives the clamping plate 404 to slide, and the clamping plate 404 can be slid to the value on the measuring ruler 407 according to the diameter of the produced rim. Then, the pushing block 504 is released, and the insertion rod 502 is moved upward by the spring between the insertion rod 502 and the clamping plate 404 until the insertion rod 502 passes through the adjusting block 501 and engages with the slot 503 on the support plate 403. The diameter of the wheel rim is measured by measuring the distance between the fixed plate 405 and the clamping plate 404. After the measurement, the clamping rod 408 on the baffle 406 can be pulled so that the clamping rod 408 is no longer engaged with the fixed plate 405, and the baffle 406 is rotated. The measured wheel rim continues to roll forward along the inclined surface of the feed rack 1. When the diameter of the wheel rim meets the requirements, the moving block 701 in the baffle 406 can be pulled downward by the gripping rod 703 so that the moving block 701 drives the slide bar 702 to move downward, and the protruding ring 704 on the slide bar 702 is engaged with the groove 705 in the baffle 406 to fix the moving block 701. At this time, there is an empty slot between the top of the moving block 701 and the top of the baffle 406. Rotating the baffle 406 can make the wheel rim that meets the measurement roll forward.When the baffle 406 rotates, the push rod 602 on the fixed box 601 is located in the empty slot between the moving block 701 and the baffle 406, and the push rod 602 does not move. When the rim measurement fails, the moving block 701 is slid upward by the grip 703, so that the protruding ring 704 no longer engages with the groove 705, and the spring between the moving block 701 and the baffle 406 prevents the moving block 701 from moving downward. At this time, when the baffle 406 is rotated to make the rim continue to roll forward, there is no empty slot between the baffle 406 and the moving block 701. When the baffle 406 is rotated, the push rod 602 in the fixed box 601 can conflict with the moving block 701 on the baffle 406, so that the push rod 602 drives the extrusion plate 603 moves upward, allowing the marking liquid between the extrusion plate 603 and the fixed box 601 to flow into the liquid outlet pipe 606 through the liquid outlet valve 605 on the fixed box 601. The marking liquid is then sprayed onto the unqualified wheel rims through the nozzle 607 on the liquid outlet pipe 606, marking them. When the baffle 406 is reset and the movable block 701 on the baffle 406 no longer interferes with the push rod 602, the push rod 602 is reset by the spring. At this time, the marking liquid in the liquid storage tank 609 flows into the gap between the extrusion plate 603 and the fixed box 601 through the liquid inlet valve 604 on the liquid infusion pipe 608, preventing the marking liquid in the fixed box 601 from being replenished and unable to mark the unqualified wheel rims.

[0039] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0040] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An automatic feeding device for a rim forming machine, characterized in that: The invention comprises a feeding rack (1), wherein the feeding rack (1) is provided with a drainage structure (2), the feeding rack (1) is provided with a water collecting structure (3), the feeding rack (1) is provided with a measuring structure (4), the measuring structure (4) is provided with an adjusting structure (5), the measuring structure (4) is provided with a marking structure (6), and the measuring structure (4) is provided with a sliding structure (7); The drainage structure (2) comprises a protrusion (201), a plurality of protrusions (201) are detachably connected to the feeding rack (1), a plurality of filter screens (202) are provided on the feeding rack (1), a clamping block (203) is fixedly connected to the bottom end of the protrusion (201), a clamping slot (204) is provided on the feeding rack (1), and the clamping block (203) and the clamping slot (204) are engaged; The measuring structure (4) comprises a fixed frame (401), the feeding frame (1) is fixedly connected to the fixed frame (401), a cylinder (402) is mounted on the fixed frame (401), an output end of the cylinder (402) is fixedly connected to a support plate (403), one side of the support plate (403) is slidably connected to a clamping plate (404), the other side of the support plate (403) is fixedly connected to a fixed plate (405), and one side of the support plate (403) is fixedly connected to a measuring ruler (407); The bottom end of the fixed plate (405) is rotatably connected to a baffle (406), and the baffle (406) is slidably connected to a clamping rod (408), and the clamping rod (408) and the fixed plate (405) are plugged together; The adjustment structure (5) comprises an adjustment block (501), the support plate (403) is slidably connected to the adjustment block (501), the adjustment block (501) and the clamping plate (404) are fixedly connected, the clamping plate (404) is slidably connected to an insertion rod (502), the support plate (403) is provided with a slot (503), the insertion rod (502) passes through the adjustment block (501) and is engaged with the slot (503), the bottom end of the insertion rod (502) is fixedly connected to a push block (504), and a spring is fixedly connected between the push block (504) and the clamping plate (404).

2. The automatic feeding device of a rim forming machine according to claim 1, characterized in that: A sealing block (205) is slidably connected inside the feeding rack (1), and a spring is fixedly connected between the sealing block (205) and the feeding rack (1).

3. The automatic feeding device of a rim forming machine according to claim 1, characterized in that: The water collecting structure (3) comprises a water inlet pipe (301), a plurality of water inlet pipes (301) are fixedly connected to the feeding rack (1), a water collecting pipe (302) is fixedly connected inside the feeding rack (1), the plurality of water inlet pipes (301) and the water collecting pipe (302) are in communication, a water outlet pipe (303) is fixedly connected to the bottom end of the water collecting pipe (302), a water collecting box (304) is detachably connected to the bottom end of the feeding rack (1), and a mounting plate (305) is fixedly connected to the bottom end of the feeding rack (1).

4. The automatic feeding device of a rim forming machine according to claim 3, characterized in that: A slider (306) is slidably connected to the mounting plate (305), the slider (306) is fixedly connected to the water collecting tank (304), one side of the slider (306) is fixedly connected to a limiting block (307), and the limiting block (307) is engaged with the mounting plate (305).

5. The automatic feeding device of a rim forming machine according to claim 1, characterized in that: The marking structure (6) comprises a fixed box (601), one side of the fixed plate (405) is fixedly connected to the fixed box (601), a push rod (602) is slidably connected inside the fixed box (601), the push rod (602) is fixedly connected to the extrusion plate (603), the top of the fixed box (601) is fixedly connected to a liquid infusion tube (608) and a liquid outlet tube (606), the liquid infusion tube (608) is installed with a liquid inlet valve (604), the liquid outlet tube (606) is installed with a liquid outlet valve (605), one end of the liquid outlet tube (606) is fixedly connected to a nozzle (607), the support plate (403) is fixedly connected to a liquid storage tank (609), and the liquid storage tank (609) is connected to the liquid infusion tube (608).

6. The automatic feeding device of a rim forming machine according to claim 1, characterized in that: The sliding structure (7) comprises a moving block (701), the moving block (701) is slidably connected to the baffle (406), the bottom end of the moving block (701) is fixedly connected to a sliding rod (702), and the side end of the moving block (701) is fixedly connected to a gripping rod (703).

7. The automatic feeding device of a rim forming machine according to claim 6, characterized in that: A protruding ring (704) is fixedly connected to the slide bar (702), a groove (705) is provided on the baffle (406), and the protruding ring (704) and the groove (705) are engaged with each other.

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