Conveying device for processing metal products

Abstract

The present invention discloses a conveying device for processing metal products, which relates to the field of conveying devices and includes a pressure plate, an elastic column, a base plate, a push plate, a telescopic column, a bevel rod, a bevel column, a telescopic block, a connecting column, a blocking column, a rectangular slide frame and a triangular block. The base plate is fixedly mounted on the inner wall of a casing, the fixed end of the elastic column is fixedly mounted on the top of the base plate, the pressure plate is fixedly mounted on the free end of the elastic column, the rectangular slide frame is fixedly mounted on the front side of the casing, the bevel rod is fixedly mounted on a side of the telescopic end of the elastic column close to the rectangular slide frame, and the triangular block is fixedly mounted on an end of the rectangular slide frame away from the pressure plate. This can avoid displacement due to vibration of the conveyor belt or gravity, resulting in inaccurate position during transportation, and also can avoid movement or falling of metal products, which may damage the conveying device itself and increase the cost of repair and replacement.

Description

Technical Field

[0001] The present invention relates to the field of conveying devices, in particular to a conveying device for processing metal products. Background Art

[0002] The conveying device for metal product processing is a device used to transport and transfer metal raw materials, semi-finished products or finished products between different processing links during the metal product processing process.

[0003] The patent with patent announcement number CN213622231U involves a workbench, the upper end of the workbench is fixedly connected to a fixed frame, the opposite side walls of the fixed frame are fixedly connected to a support frame, the upper end of the support frame is fixedly connected to a first motor, the free end of the first motor is fixedly connected to a first transmission rod, the first transmission rod extends to one end of the lower side of the support frame and is fixedly connected to a clearing rod and a turn plate, the clearing rod is on the upper side of the turn plate, the turn plate is provided with two limiting slide grooves, and the upper end of the turn plate is fixedly connected to two extrusion plates, which facilitates the removal of unqualified controlled metals and stably conveys intermittent metal pipe products, prevents the metal pipe products from being placed in a messy manner during transportation, and prevents the metal pipe products from falling when the conveying device is hit by external force and cannot be processed subsequently, thereby reducing the processing efficiency.

[0004] However, in the above patent, it is convenient to remove unqualified controlled metals and stably transport metal pipe products intermittently, preventing the metal pipe products from being placed in a mess during transportation, and preventing the metal pipe products from falling when the conveying device is hit by external force and unable to carry out subsequent processing, thereby reducing the processing efficiency. However, there is still a problem. When the metal products are in the process of transportation, the metal products may be displaced due to vibration or gravity, resulting in inaccurate position during the processing. At the same time, if the metal products fall during transportation, it may cause equipment damage, worker injury or other safety accidents. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a conveying device for processing metal products, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A conveying device for processing metal products, comprising a housing, a conveyor belt provided at the front and rear of the inner wall of the housing, rollers rotatably mounted inside the housing, a clamping and alignment mechanism provided on the right side of the housing, a lifting mechanism provided on the left side of the inner side of the housing, and a rust-proof mechanism provided on the left side of the outer wall of the housing;

[0007] Among them, the clamping and alignment mechanism includes a pressure plate, an elastic column, a base plate, a push plate, a telescopic column, a bevel rod, a bevel column, a telescopic block, a connecting column, a blocking column, a rectangular slide frame and a triangular block. The base plate is fixedly mounted on the inner wall of the casing, the fixed end of the elastic column is fixedly mounted on the top of the base plate, the pressure plate is fixedly mounted on the free end of the elastic column, the rectangular slide frame is fixedly mounted on the front side of the casing, the bevel rod is fixedly mounted on a side of the telescopic end of the elastic column close to the rectangular slide frame, the triangular block is fixedly mounted on one end of the rectangular slide frame away from the pressure plate, and the fixed end of the telescopic block is slidably mounted on the rectangular slide frame. Inside the rectangular slide frame, one end of the connecting column is fixedly installed on the telescopic end of the telescopic block, the fixed end of the telescopic column is fixedly installed on the other end of the connecting column, the left side of the push plate is fixedly installed on the telescopic end of the telescopic column, and a No. 1 slide is provided on the top of the rectangular slide frame, one end of the inclined head column is slidably installed in the No. 1 slide, and the right side of the blocking column is fixedly installed on the other end of the inclined head column. When the pressure plate moves downward, it will compress the elastic column on the bottom plate below, and when the elastic column moves, it will drive the inclined head rod to move, and when the inclined head rod moves, it will squeeze the inclined head column, and when the inclined head column is squeezed, it will drive the blocking column to move.

[0008] According to the above technical solution, the connecting column is in contact with the blocking column, and the inclined head rod is in contact with the inclined head column. When the blocking column moves, the position restriction of the connecting column is released.

[0009] According to the above technical solution, the triangular block contacts the connecting column, and a No. 1 spring is provided inside the telescopic block and the rectangular slide frame. When the telescopic block is driven by the metal product, it will move due to the elastic force of the No. 1 spring.

[0010] According to the above technical solution, the lifting mechanism includes a lifting plate, a wide rack, a gear, a force plate, a narrow rack, a telescopic rod, an L baffle, a fixed plate, a locking plate, a circular shaft, a small tooth, a small shaft and a triangular prism. A No. 2 slide groove is opened on the front and back of the inner wall of the casing. The narrow rack is slidably installed in the No. 2 slide groove. The end of the L baffle close to the force plate is fixedly installed on the top of the narrow rack. The force plate is fixedly installed on the left side inside the casing. The fixed end of the telescopic rod is fixedly installed on the top of the force plate. The lifting plate is fixedly installed on the telescopic end of the telescopic rod. The circular shaft is rotatably installed on the left side inside the casing. The gear is fixedly installed on the circumferential surface of the circular shaft on the side close to the narrow rack. A tooth groove is provided on the circumferential surface of the circular shaft away from the narrow rack, one end of the triangular prism is fixedly mounted on the top of the force-bearing plate, one side of the small shaft is fixedly mounted on the other end of the triangular prism, the small tooth is rotatably mounted on the circumferential surface of the small shaft, the top of the wide rack is fixedly mounted on the bottom of the lifting plate, the locking plate is fixedly mounted on the bottom of the inner wall of the casing, and the fixed plate is fixedly mounted on the top of the locking plate, which will drive the L baffle to move. When the L baffle moves, it will drive the narrow rack to move. When the narrow rack moves, it will drive the gear to rotate. When the gear rotates, it will drive the circular shaft to move. When the circular shaft moves, it will drive the small tooth engaged with the rear tooth groove to rotate the small shaft on the triangular prism.

[0011] According to the above technical solution, the gear is engaged with the narrow rack, and the small tooth is engaged with the tooth groove provided on the circular shaft. When the narrow rack moves, it drives the gear to rotate, and when the circular shaft rotates, it drives the small tooth to rotate.

[0012] According to the above technical solution, the small tooth is engaged with the wide rack, and a No. 2 spring is provided between the narrow rack and the fixed plate. When the narrow rack needs to return, it will move back due to the elastic force of the No. 2 spring.

[0013] According to the above technical solution, the rust-proof mechanism includes a lifting rod, a connecting rod, a collar A, a rotating column ring, a collar B, a liquid box, a spray pipe, an extrusion box, an L pressure plate, an inner column B, a push rod and an inner column A. One end of the lifting rod is fixedly mounted on the bottom of the lifting plate, one end of the connecting rod is fixedly mounted on the other end of the lifting rod, the collar A is fixedly mounted on the other end of the connecting rod, the rotating column ring is fixedly mounted on the left side of the casing, the inner column A is fixedly mounted on the side of the rotating column ring close to the collar A, the inner column B is fixedly mounted on the other side of the rotating column ring, the liquid box is fixedly mounted on the top left side of the outer wall of the casing, and the bottom of the liquid box A through slot No. 1 is provided, the extrusion box is fixedly mounted on the bottom of the liquid box, a through slot No. 2 is provided on the top of the extrusion box, the bottom of the spray pipe is fixedly mounted on the top of the extrusion box, the L pressure plate is slidably mounted inside the extrusion box, a through hole is provided on the side of the extrusion box close to the rotating column ring, one end of the push rod is fixedly mounted on the side of the L pressure plate close to the rotating column ring, the sleeve B is fixedly mounted on the other end of the push rod, when the connecting rod moves, it will drive the sleeve A to move, when the sleeve A moves, it will cause the inner column A to slide in the sleeve A, when the inner column A slides, it will drive the rotating column ring to rotate, when the rotating column ring rotates, it will drive the inner column B to move.

[0014] According to the above technical solution, the water outlet of the spray pipe is provided with a soft film, and the No. 1 through groove of the liquid box is connected to the No. 2 through groove of the squeeze box. When the liquid enters the spray pipe, when the pressure is met, the liquid will pass through the soft film and spray outward.

[0015] According to the above technical solution, the inner column A contacts the inner wall of the ring A, and the inner column B contacts the inner wall of the ring B. When the inner column B moves, it drives the ring B to move, so that the push rod can perform reciprocating motion.

[0016] The present invention provides a conveying device for processing metal products. It has the following beneficial effects:

[0017] (1) In this invention, when a metal product is placed on top of a pressure plate, the pressure plate will move downward. When the pressure plate moves downward, it will compress the elastic column on the bottom plate below. When the elastic column moves, it will drive the inclined head rod to move. When the metal product is being transported, it will avoid displacement due to vibration of the conveyor belt or gravity, resulting in inaccurate position during transportation. At the same time, it will also avoid the movement or falling of the metal product, which may damage the conveying device itself and increase the cost of repair and replacement.

[0018] (2) This invention, when the narrow rack moves, it drives the gear to rotate, and when the gear rotates, it drives the circular shaft to move, and when the circular shaft moves, it drives the small shaft on the triangular prism that is engaged with the small teeth in the rear tooth groove to rotate. When metal products are being transported, it can prevent the transported items from falling when the staff cannot quickly take them out, causing physical damage to the workpiece, affecting the quality of their subsequent processing or use, resulting in the need for reprocessing or scrapping, and also causing obstruction of subsequent logistics links, affecting delivery time and customer satisfaction.

[0019] (3) This invention, when the connecting rod moves, will drive the sleeve A to move, when the sleeve A moves, it will cause the inner column A to slide inside the sleeve A, when the inner column A slides, it will drive the rotating column ring to rotate, when the rotating column ring rotates, it will drive the inner column B to move, thus avoiding oxidation and corrosion that would occur when the metal product is exposed to a humid or chemical environment for a long time, thereby damaging the quality and appearance of the metal product, preventing the decline in product quality and production efficiency, and avoiding the decline in the company's competitiveness in the market. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the connecting column and triangular block structure of the present invention;

[0022] Figure 3 For the present invention Figure 2 A schematic diagram of the structure of part A in the middle;

[0023] Figure 4 This is a schematic diagram of the lifting plate and the fixing plate structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the lifting plate and gear structure of the present invention;

[0025] Figure 6 This is a schematic diagram of the lifting plate and spray pipe structure of the present invention;

[0026] Figure 7 This is a structural schematic diagram of the rotating column ring and the extrusion box of the present invention.

[0027] In the figure: 1, housing; 2, conveyor belt; 3, roller; 401, pressure plate; 402, elastic column; 403, bottom plate; 404, push plate; 405, telescopic column; 406, oblique head rod; 407, oblique head column; 408, telescopic block; 409, connecting column; 410, stop column; 411, rectangular chute frame; 412, triangular block; 501, lifting plate; 502, wide rack; 503, gear; 504, force plate; 505, narrow rack; 50 6. Telescopic rod; 507. L baffle; 508. Fixed plate; 509. Locking plate; 510. Circular shaft; 511. Small tooth; 512. Small shaft; 513. Triangular prism; 601. Lifting rod; 602. Connecting rod; 603. Collar A; 604. Rotating column ring; 605. Collar B; 606. Liquid box; 607. Spraying pipe; 608. Extrusion box; 609. L pressure plate; 610. Inner column B; 611. Push rod; 612. Inner column A. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 7 A conveying device for processing metal products includes a housing 1, a conveyor belt 2 is provided on the front and rear inner walls of the housing 1, a roller 3 is rotatably installed inside the housing 1, a clamping and alignment mechanism is provided on the right side of the housing 1, a lifting mechanism is provided on the left side of the interior of the housing 1, and a rust prevention mechanism is provided on the left side of the outer wall of the housing 1;

[0030] Among them, the clamping alignment mechanism includes a pressure plate 401, an elastic column 402, a base plate 403, a push plate 404, a telescopic column 405, a bevel rod 406, a bevel column 407, a telescopic block 408, a connecting column 409, a blocking column 410, a rectangular slide frame 411 and a triangular block 412. The base plate 403 is fixedly mounted on the inner wall of the casing 1, the fixed end of the elastic column 402 is fixedly mounted on the top of the base plate 403, the pressure plate 401 is fixedly mounted on the free end of the elastic column 402, the rectangular slide frame 411 is fixedly mounted on the front side of the casing 1, the bevel rod 406 is fixedly mounted on the side of the telescopic end of the elastic column 402 close to the rectangular slide frame 411, and the triangular block 412 is fixedly mounted on the side of the rectangular slide frame 411 away from the pressure plate 401 At one end, the fixed end of the telescopic block 408 is slidably installed inside the rectangular slide frame 411, one end of the connecting column 409 is fixedly installed on the telescopic end of the telescopic block 408, the fixed end of the telescopic column 405 is fixedly installed on the other end of the connecting column 409, and the left side of the push plate 404 is fixedly installed on the telescopic end of the telescopic column 405. A No. 1 slide is opened on the top of the rectangular slide frame 411, and one end of the oblique head column 407 is slidably installed in the No. 1 slide. The right side of the blocking column 410 is fixedly installed on the other end of the oblique head column 407, which will avoid displacement due to vibration or gravity of the conveyor belt, resulting in inaccurate position during transportation, and also avoid the movement or falling of metal products, which may damage the conveying device itself, increasing the cost of maintenance and replacement.

[0031] The connecting post 409 contacts the blocking post 410 , and the inclined head rod 406 contacts the inclined head post 407 . When the blocking post 410 moves, the position restriction of the connecting post 409 is released.

[0032] The triangular block 412 contacts the connecting column 409, and a No. 1 spring is provided inside the telescopic block 408 and the rectangular slide frame 411. When the telescopic block 408 is driven by the metal product, it will move due to the elastic force of the No. 1 spring.

[0033] The lifting mechanism includes a lifting plate 501, a wide rack 502, a gear 503, a force plate 504, a narrow rack 505, a telescopic rod 506, an L baffle 507, a fixed plate 508, a locking plate 509, a circular shaft 510, a small tooth 511, a small shaft 512 and a triangular column 513. A No. 2 slide groove is provided on the front and back of the inner wall of the casing 1. The narrow rack 505 is slidably installed in the No. 2 slide groove. The end of the L baffle 507 close to the force plate 504 is fixedly installed on the top of the narrow rack 505. The force plate 504 is fixedly installed on the left side inside the casing 1. The fixed end of the telescopic rod 506 is fixedly installed on the top of the force plate 504. The lifting plate 501 is fixedly installed on the telescopic end of the telescopic rod 506. The circular shaft 510 is rotatably installed on the left side inside the casing 1. The gear 503 is fixed It is fixedly installed on the circumferential surface of the circular shaft 510 on one side close to the narrow rack 505, and a tooth groove is provided on the circumferential surface of the circular shaft 510 on the end away from the narrow rack 505. One end of the triangular column 513 is fixedly installed on the top of the force-bearing plate 504, and one side of the small shaft 512 is fixedly installed on the other end of the triangular column 513. The small tooth 511 is rotatably installed on the circumferential surface of the small shaft 512. The top of the wide rack 502 is fixedly installed on the bottom of the lifting plate 501, the locking plate 509 is fixedly installed on the bottom of the inner wall of the casing 1, and the fixed plate 508 is fixedly installed on the top of the locking plate 509, causing physical damage to the workpiece, affecting the quality of its subsequent processing or use, resulting in the need for reprocessing or scrapping, and also causing subsequent logistics links to be blocked, affecting delivery time and customer satisfaction.

[0034] The gear 503 is meshed with the narrow rack 505 , and the small tooth 511 is meshed with the tooth groove provided on the circular shaft 510 . When the narrow rack 505 moves, it drives the gear 503 to rotate, and when the circular shaft 510 rotates, it drives the small tooth 511 to rotate.

[0035] The small tooth 511 is engaged with the wide rack 502, and a No. 2 spring is provided between the narrow rack 505 and the fixed plate 508. When the narrow rack 505 needs to return, it will move back due to the elastic force of the No. 2 spring.

[0036] The rust prevention mechanism includes a lifting rod 601, a connecting rod 602, a collar A603, a rotating column ring 604, a collar B605, a liquid box 606, a spray pipe 607, an extrusion box 608, an L pressure plate 609, an inner column B610, a push rod 611 and an inner column A612. One end of the lifting rod 601 is fixedly mounted on the bottom of the lifting plate 501, one end of the connecting rod 602 is fixedly mounted on the other end of the lifting rod 601, the collar A603 is fixedly mounted on the other end of the connecting rod 602, the rotating column ring 604 is fixedly mounted on the left side of the casing 1, the inner column A612 is fixedly mounted on a side of the rotating column ring 604 close to the collar A603, the inner column B610 is fixedly mounted on the other side of the rotating column ring 604, and the liquid box 606 is fixedly mounted on the top left side of the outer wall of the casing 1. The bottom of the liquid box 606 is provided with a No. 1 through slot, the extrusion box 608 is fixedly installed on the bottom of the liquid box 606, the top of the extrusion box 608 is provided with a No. 2 through slot, the bottom of the spray pipe 607 is fixedly installed on the top of the extrusion box 608, the L pressure plate 609 is slidably installed inside the extrusion box 608, and the side of the extrusion box 608 close to the rotating column ring 604 is provided with a through hole, one end of the push rod 611 is fixedly installed on the side of the L pressure plate 609 close to the rotating column ring 604, and the collar B605 is fixedly installed on the other end of the push rod 611 to avoid oxidation and corrosion when the metal products are exposed to a humid or chemical environment for a long time, which will damage the quality and appearance of the metal products, prevent the decline in product quality and production efficiency, and avoid the decline in the competitiveness of the enterprise in the market.

[0037] The water outlet of the spray pipe 607 is provided with a soft film, and the No. 1 through slot of the liquid box 606 is connected to the No. 2 through slot of the squeeze box 608. When the liquid enters the spray pipe 607, when the pressure is satisfied, the liquid will pass through the soft film and spray outward.

[0038] The inner column A612 contacts the inner wall of the collar A603, and the inner column B610 contacts the inner wall of the collar B605. When the inner column B610 moves, it drives the collar B605 to move, so that the push rod 611 can perform reciprocating motion.

[0039] During operation: Start the conveyor belt 2 inside the housing 1. When the conveyor belt 2 rotates, it drives the roller 3 to rotate. When a metal product is placed on the pressure plate 401, the pressure plate 401 moves downward. When the pressure plate 401 moves downward, it compresses the elastic column 402 on the bottom plate 403 below. When the elastic column 402 moves, it drives the inclined rod 406 to move. When the inclined rod 406 moves, it squeezes the inclined column 407. When the inclined column 407 is squeezed, it drives the blocking column 410 to move. When the blocking column 410 moves, the connection is released. The limit of the column 409, when the limit is released, the telescopic block 408 on the rectangular slide frame 411 will shrink, and when the telescopic block 408 moves, it will drive the connecting column 409 to move, and when the connecting column 409 moves, it will drive the telescopic column 405 to move, and when the telescopic column 405 moves, it will drive the push plate 404 to move. When the telescopic column 405 clamps the metal product, the metal product will move with the push plate 404, and when the connecting column 409 contacts the triangular block 412, it will move the connecting column 409 outward, so that the telescopic column 405 leaves the metal product.

[0040] When the metal product contacts the L baffle 507, it will drive the L baffle 507 to move. When the L baffle 507 moves, it will drive the narrow rack 505 to move. When the narrow rack 505 moves, it will drive the gear 503 to rotate. When the gear 503 rotates, it will drive the circular shaft 510 to move. When the circular shaft 510 moves, it will drive the small tooth 511 that engages with the rear tooth groove to rotate the small shaft 512 on the triangular prism 513. When the small tooth 511 rotates, it will drive the wide rack 502 to move. When the wide rack 502 moves, it will drive the lifting plate 501 to move. When the lifting plate 501 moves, it will drive the telescopic rod 506 on the force plate 504 to move, lifting the metal product above. After the metal product is removed, the narrow rack 505 will move toward the locking plate 509 due to the elastic force of the No. 2 spring between it and the fixed plate 508, causing the lifting plate 501 to drop.

[0041] When the lifting plate 501 moves, it will drive the lifting rod 601 to move. When the lifting rod 601 moves, it will drive the connecting rod 602 to move. When the connecting rod 602 moves, it will drive the ring A603 to move. When the ring A603 moves, the inner column A612 will slide in the ring A603. When the inner column A612 slides, it will drive the rotating column ring 604 to rotate. When the rotating column ring 604 rotates, it will drive the inner column B610 to move. The inner column B610 will move in the ring B605. When the inner column B610 moves in the ring B605, it will drive the ring B605 to move back and forth. When the ring B605 moves, it will drive the push rod 611 to move. When the push rod 611 moves, it will drive the L pressure plate 609 to move. When the L pressure plate 609 moves in the extrusion box 608, it will squeeze the liquid entering from the upper liquid box 606 into the spray pipe 607.

[0042] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A conveying device for processing metal products, comprising a housing (1), characterized in that: Conveyor belts (2) are provided at the front and rear of the inner wall of the housing (1), rollers (3) are rotatably mounted inside the housing (1), a clamping and alignment mechanism is provided on the right side of the housing (1), a lifting mechanism is provided on the left side of the inner side of the housing (1), and a rust-proof mechanism is provided on the left side of the outer wall of the housing (1); The clamping alignment mechanism comprises a pressure plate (401), an elastic column (402), a bottom plate (403), a push plate (404), a telescopic column (405), a bevel rod (406), a bevel column (407), a telescopic block (408), a connecting column (409), a blocking column (410), a rectangular slide frame (411) and a triangular block (412), wherein the bottom plate (403) is fixedly mounted on the inner wall of the housing (1), the fixed end of the elastic column (402) is fixedly mounted on the top of the bottom plate (403), the pressure plate (401) is fixedly mounted on the free end of the elastic column (402), the rectangular slide frame (411) is fixedly mounted on the front of the housing (1), the bevel rod (406) is fixedly mounted near the telescopic end of the elastic column (402), and the rectangular slide frame (411) is fixedly mounted on the front of the housing (1). On one side of the rectangular chute frame (411), the triangular block (412) is fixedly mounted on one end of the rectangular chute frame (411) away from the pressure plate (401), the fixed end of the telescopic block (408) is slidably mounted inside the rectangular chute frame (411), one end of the connecting column (409) is fixedly mounted on the telescopic end of the telescopic block (408), the fixed end of the telescopic column (405) is fixedly mounted on the other end of the connecting column (409), the left side of the push plate (404) is fixedly mounted on the telescopic end of the telescopic column (405), a No. 1 chute is provided on the top of the rectangular chute frame (411), one end of the oblique head column (407) is slidably mounted in the No. 1 chute, and the right side of the blocking column (410) is fixedly mounted on the other end of the oblique head column (407); The connecting column (409) contacts the blocking column (410), and the oblique head rod (406) contacts the oblique head column (407); The triangular block (412) contacts the connecting column (409), and a spring No. 1 is provided inside the telescopic block (408) and the rectangular slide frame (411); When the elastic column (402) moves, it drives the inclined head rod (406) to move. When the inclined head rod (406) moves, it squeezes the inclined head column (407). When the inclined head column (407) is squeezed, it drives the blocking column (410) to move. When the blocking column (410) moves, the limit on the connecting column (409) is released.

2. A conveying device for metal product processing according to claim 1, characterized in that: The lifting mechanism comprises a lifting plate (501), a wide rack (502), a gear (503), a force plate (504), a narrow rack (505), a telescopic rod (506), an L baffle (507), a fixed plate (508), a locking plate (509), a circular shaft (510), a small tooth (511), a small shaft (512) and a triangular column (513), wherein a second slide groove is provided on the front and rear sides of the inner wall of the housing (1), and the narrow rack (505) is slidably mounted in the second slide groove, and one end of the L baffle (507) close to the force plate (504) is fixedly mounted on the top of the narrow rack (505), and the force plate (504) is fixedly mounted on the left side inside the housing (1), and the fixed end of the telescopic rod (506) is fixedly mounted on the top of the force plate (504), and the lifting plate (501) is fixedly mounted on the telescopic rod ( 506), the circular shaft (510) is rotatably mounted on the left side of the interior of the housing (1), the gear (503) is fixedly mounted on the circumferential surface of the circular shaft (510) on the side close to the narrow rack (505), and a tooth groove is provided on the circumferential surface of the circular shaft (510) on the end away from the narrow rack (505), one end of the triangular column (513) is fixedly mounted on the top of the force-bearing plate (504), one side of the small shaft (512) is fixedly mounted on the other end of the triangular column (513), the small tooth (511) is rotatably mounted on the circumferential surface of the small shaft (512), the top of the wide rack (502) is fixedly mounted on the bottom of the lifting plate (501), the locking plate (509) is fixedly mounted on the bottom of the inner wall of the housing (1), and the fixing plate (508) is fixedly mounted on the top of the locking plate (509).

3. A conveying device for metal product processing according to claim 2, characterized in that: The gear (503) is meshed with the narrow rack (505), and the small tooth (511) is meshed with a tooth groove provided on the narrow rack (505).

4. A conveying device for processing metal products according to claim 3, characterized in that: The small tooth (511) is engaged with the wide rack (502), and a second spring is provided between the narrow rack (505) and the fixed plate (508).

5. The conveying device for metal product processing according to claim 4, characterized in that: The anti-rust mechanism includes a lifting rod (601), a connecting rod (602), a collar A (603), a rotating column ring (604), a collar B (605), a liquid box (606), a spray pipe (607), an extrusion box (608), an L pressure plate (609), an inner column B (610), a push rod (611) and an inner column A (612), one end of the lifting rod (601) is fixedly mounted on the bottom of the lifting plate (501), one end of the connecting rod (602) is fixedly mounted on the other end of the lifting rod (601), the collar A (603) is fixedly mounted on the other end of the connecting rod (602), the rotating column ring (604) is fixedly mounted on the left side of the housing (1), the inner column A (612) is fixedly mounted on the side of the rotating column ring (604) close to the collar A (603), and the inner column B ( 610) is fixedly mounted on the other side of the rotating column ring (604), the liquid box (606) is fixedly mounted on the top left side of the outer wall of the casing (1), the bottom of the liquid box (606) is provided with a No. 1 through slot, the extrusion box (608) is fixedly mounted on the bottom of the liquid box (606), the top of the extrusion box (608) is provided with a No. 2 through slot, the bottom of the spray pipe (607) is fixedly mounted on the top of the extrusion box (608), the L pressure plate (609) is slidably mounted inside the extrusion box (608), the side of the extrusion box (608) close to the rotating column ring (604) is provided with a through hole, one end of the push rod (611) is fixedly mounted on the side of the L pressure plate (609) close to the rotating column ring (604), and the collar B (605) is fixedly mounted on the other end of the push rod (611).

6. The conveying device for metal product processing according to claim 5, characterized in that: The water outlet of the spraying pipe (607) is provided with a soft film, and the No. 1 through slot of the liquid box (606) is in communication with the No. 2 through slot of the extrusion box (608).

7. A conveying device for processing metal products according to claim 6, characterized in that: The inner column A (612) contacts the inner wall of the collar A (603), and the inner column B (610) contacts the inner wall of the collar B (605).

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