An automatic feeding and discharging system for high-precision elevator guide rail planing machining

Abstract

The application relates to the field of elevator guide rail planing, in particular to an automatic feeding and discharging system for high-precision elevator guide rail planing processing. The automatic feeding and discharging system comprises a supporting frame, first guide rails and first electric guide vehicles; two first guide rails are horizontally arranged on the supporting frame; and one first electric guide vehicle is slidably arranged on each first guide rail. Full-process automation is realized, and production efficiency and safety are greatly improved: through the cooperative operation of the first electric guide vehicle, the second electric guide vehicle, the clamping device, the positioning device and the cleaning device, full-process automation of the elevator guide rail from automatic arrangement, grabbing, conveying, accurate positioning, planing processing, automatic cleaning to moving out and stacking is realized; high-strength and high-risk links such as manual feeding, cleaning of iron filings and arrangement of workpieces are eliminated; the production rhythm is significantly improved; the safety of operators is ensured; and a foundation is laid for industrial continuous production.

Description

Technical Field

[0001] This invention relates to the field of elevator guide rail planing, and more particularly to an automatic up-and-down system for high-precision elevator guide rail planing. Background Technology

[0002] During elevator operation, the box-shaped cabin rises and falls along elevator guide rails fixed to the shaft wall. The elevator guide rails are fixed to the wall in segments, each typically 5 meters long. To improve the precision of the guide rails, planing is currently the primary method used to process the sides of the guide rails. However, during processing, iron filings are left in coils on the workbench, requiring manual cleaning before the next loading and clamping process. This hinders automated production, resulting in low efficiency and poor safety. Furthermore, the coiled iron filings can scratch the paint on the elevator guide rail surface, reducing product yield and hindering industrial-scale production. Summary of the Invention

[0003] To overcome the shortcomings of low production efficiency and poor safety caused by iron filings being left in rolls on the workbench during processing, which require manual cleaning before the next loading and clamping, thus hindering automated production, this invention provides an automatic loading and unloading system for high-precision elevator guide rail planing.

[0004] The technical implementation scheme of the present invention is as follows: an automatic loading and unloading system for high-precision elevator guide rail planing, comprising a support frame, a first guide rail, and a first electric guide carriage; two first guide rails are horizontally arranged on the support frame; a first electric guide carriage is slidably arranged on each first guide rail; the two first electric guide carriages are connected to each other by a bearing frame; two first hydraulic rods are arranged on the bearing frame, and the two first hydraulic rods are symmetrical to each other; the telescopic parts of the two first hydraulic rods are connected to a rectangular bearing beam; a fixed beam is fixedly connected to each side of the rectangular bearing beam; two second hydraulic rods are rotatably arranged on one side of the rectangular bearing beam; two second hydraulic rods are rotatably arranged on the other side of the rectangular bearing beam; a mounting beam is arranged on each fixed beam; two clamping mechanisms are arranged on each mounting beam; the clamping mechanism consists of a double-headed fixed locking rod and an annular jet head; an annular jet head is coaxially sleeved in the middle of the rod body of each double-headed fixed locking rod.

[0005] As a preferred embodiment of the present invention, it further includes a safety block; an annular positioning block is provided at the bottom of the rod body of each double-headed fixed locking rod; a safety block is fixedly connected to the bottom of each annular positioning block.

[0006] As a preferred embodiment of the present invention, it further includes a second guide rail, a second electric guide vehicle, a limiting plate, a connecting plate, a first motor, a positioning arc plate, rotating wheels, a clamping plate, and a second motor; two second guide rails are provided below the support frame; the first guide rail is arranged horizontally, and the second guide rail is arranged vertically; a second electric guide vehicle is slidably mounted on the two second guide rails; a limiting plate is fixedly connected to each of the left and right sides of each second electric guide vehicle; a connecting plate is fixedly connected to each of the front and rear sides of each limiting plate; a first motor is mounted on one side of the connecting plate; a positioning arc plate is rotatably connected between the two connecting plates; the positioning arc plate is fixedly connected to the output shaft of a first motor; several rotating wheels are slidably connected inside each positioning arc plate; a clamping plate is mounted on each rotating wheel; the rotation of each rotating wheel is powered by its corresponding second motor.

[0007] As a preferred embodiment of the present invention, the card plate is composed of two arc-shaped limiting blocks and a top plate.

[0008] As a preferred embodiment of the present invention, it further includes a conveying guide rail, a planer, a placement frame, a pre-load structure, a fastening plate, a positioning rod, and a screw; two conveying guide rails are provided below the support frame; a planer is provided on the side of each conveying guide rail; a placement frame is slidably provided on each conveying guide rail; several pre-load structures for pre-loading the elevator guide rail to be processed are installed on the placement frame; the pre-load structure consists of a support plate and an electric push rod; several fastening plates for fixing the elevator guide rail to be processed are installed on the placement frame.

[0009] As a preferred embodiment of the present invention, the fastening plate is rotatable.

[0010] As a preferred embodiment of the present invention, it further includes a third hydraulic rod, a first fixing plate, and a rectangular electromagnet; a plurality of third hydraulic rods are mounted on the support frame; all the telescopic portions of the third hydraulic rods are provided with a first fixing plate; a rectangular electromagnet is mounted at the bottom of the first fixing plate.

[0011] As a preferred embodiment of the present invention, it further includes a fourth hydraulic rod, a second fixed locking plate, a cylindrical electromagnet, a venting pipe, and a cleaning head; two third hydraulic rods are installed on the support frame; and the third hydraulic rods are located on the side of the third hydraulic rods; the telescopic parts of the two fourth hydraulic rods are fixed to the same second fixed locking plate; a plurality of cylindrical electromagnets are installed on the bottom of the second fixed locking plate; the number of cylindrical electromagnets is consistent with the number of elevator guide rails being planed; each cylindrical electromagnet is equipped with a venting pipe; each venting pipe is rotatably connected to a cleaning head, and the venting pipe and the cleaning head are kept in communication.

[0012] As a preferred embodiment of the present invention, the cleaning head is made of hard rubber, and annular air outlet channels are provided on both sides of the cleaning head.

[0013] The beneficial effects of this invention are: achieving full-process automation and significantly improving production efficiency and safety: through the coordinated operation of the first electric guide car, the second electric guide car, and the clamping, positioning, and cleaning devices, the entire process of elevator guide rail automation is achieved, from automatic arrangement, gripping, conveying, precise positioning, planing, automatic cleaning to removal and stacking; it eliminates high-intensity and high-risk links such as manual feeding, cleaning of iron filings, and sorting of workpieces, significantly improves the production cycle, ensures the safety of operators, and lays the foundation for industrial continuous production.

[0014] Pre-cleaning before processing: The ring-shaped air jet on the clamping mechanism can spray airflow when gripping the workpiece to remove debris from the guide rail surface in advance, creating conditions for subsequent precise and clean clamping.

[0015] Cleaning during and after processing: A dedicated cleaning device (air duct, cleaning head) works in conjunction with electromagnetic adsorption components (rectangular electromagnet, cylindrical electromagnet) to automatically blow and adsorb metal filaments and chips generated during or after processing. This effectively removes these metal filaments and chips. It fundamentally solves the bottleneck problem of manual cleaning of residual metal chips and prevents them from scratching the machined surfaces (especially painted surfaces) of the guide rails during subsequent handling, thus ensuring high surface quality and a high yield rate.

[0016] Employing a multi-level, composite positioning and clamping mechanism ensures ultra-high stability during processing and handling. Loading / unloading positioning: The rotatable positioning arc plate and clamping plate on the second electric guide car can effectively limit and align the two ends of multiple guide rails, ensuring that the workpieces are neatly arranged and do not slip during transportation and waiting for hoisting, providing a foundation for batch automated processing.

[0017] Placement rack fixing: The rotatable locking plate on the placement rack cooperates with the positioning rod and the screw to firmly lock the adjacent guide rails, ensuring their stable position during movement and processing.

[0018] While the placement rack is waiting for loading, the first electric guide vehicle can use the idle time to clean the work area; this avoids equipment waiting and greatly improves the overall system utilization and production efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram illustrating the installation structure of the automatic loading and unloading system of the present invention; Figure 2 This is a partial structural diagram illustrating the automatic loading and unloading system of the present invention; Figure 3 This is a three-dimensional structural diagram illustrating the intelligent grasping component of the present invention; Figure 4This is a partial structural schematic diagram illustrating the intelligent grasping component of the present invention; Figure 5 This is a schematic diagram illustrating the installation of the clamping mechanism of the present invention; Figure 6 This is a three-dimensional structural diagram illustrating the double-headed fixing locking rod of the present invention; Figure 7 This is a schematic diagram illustrating the installation structure of the cylindrical electromagnet, the vent tube, and the cleaning head of the present invention. Figure 8 An exploded view illustrating the cylindrical electromagnet, vent tube, and cleaning head of the present invention; Figure 9 This is a schematic diagram illustrating the installation structure of the planer and related components of the present invention; Figure 10 This is a three-dimensional structural diagram illustrating the locking plate of the present invention; Figure 11 This is a diagram illustrating the installation structure of the transfer component and the second guide rail of the present invention; Figure 12 This is a three-dimensional structural schematic diagram illustrating the transfer component of the present invention; Figure 13 This is a schematic diagram illustrating the first perspective of the installation structure of the positioning arc plate, rotating wheel, and related parts of the present invention; Figure 14 This is a schematic diagram of the second perspective installation structure for describing the positioning arc plate, rotating wheel, and related parts of the present invention.

[0020] In the diagram: 1-Support frame, 2-First guide rail, 301-First electric guide trolley, 302-Bearing frame, 303-First hydraulic rod, 304-Rectangular bearing beam, 305-Fixed beam, 306-Second hydraulic rod, 307-Mounting beam, 308-Clamping mechanism, 3081-Double-headed fixing locking rod, 3082-Annular jet nozzle, 3083-Safety block 401 - Third hydraulic rod, 402 - First fixing plate, 403 - Rectangular electromagnet, 404 - Fourth hydraulic rod, 405 - Second fixing plate, 406 - Cylindrical electromagnet, 407 - Vent tube, 408 - Cleaning head 501-Conveyor guide rail, 502-Planer, 503-Placement frame, 504-Preload structure, 505-Fastening plate, 5051-Positioning rod, 5052-Screw. 601-Second guide rail, 602-Second electric guide vehicle, 603-Limiting plate, 604-Connecting plate, 605-First motor, 606-Positioning arc plate, 607-Rotating wheel, 608-Clamping plate, 609-Second motor. Detailed Implementation

[0021] Although the invention may be described with respect to specific applications or industries, those skilled in the art will recognize its broader applicability. Those skilled in the art will understand that terms such as "above," "below," "upward," "downward," etc., are used to describe the drawings and not to indicate a limitation on the scope of the invention as defined by the appended claims. Any numerical designations such as "first" or "second" are merely illustrative and not intended to limit the scope of the invention in any way. Example

[0022] An automated loading and unloading system for high-precision elevator guide rail planing, such as Figures 1-8 , Figures 11-14 As shown, it includes a support frame 1, first guide rails 2, and first electric guide carriages 301; two first guide rails 2 are horizontally arranged on the support frame 1; each first guide rail 2 has a first electric guide carriage 301 slidably mounted on it; the two first electric guide carriages 301 are connected to each other by a bearing frame 302 for stable movement; two first hydraulic rods 303 are arranged on the bearing frame 302, and the two first hydraulic rods 303 are symmetrical to each other; the telescopic parts of the two first hydraulic rods 303 are connected to a rectangular bearing beam 304; the rectangular bearing beam 304 has two... Each side is fixed with a fixed beam 305; two second hydraulic rods 306 are rotatably mounted on one side of the rectangular bearing beam 304; two second hydraulic rods 306 are rotatably mounted on the other side of the rectangular bearing beam 304; each fixed beam 305 is provided with an installation beam 307; each installation beam 307 is provided with two clamping mechanisms 308 for clamping and supporting the elevator guide rail to be processed; the clamping mechanism 308 is composed of a double-headed fixed locking rod 3081 and an annular jet head 3082; the annular jet head 3082 is coaxially sleeved in the middle of the rod body of each double-headed fixed locking rod 3081.

[0023] It also includes a safety block 3083; each double-headed fixed locking rod 3081 has an annular positioning block at the bottom of its rod body; each annular positioning block is bolted to a safety block 3083 at the bottom of its annular positioning block to enhance the force on the annular positioning block.

[0024] It also includes a second guide rail 601, a second electric guide carriage 602, a limiting plate 603, a connecting plate 604, a first motor 605, a positioning arc plate 606, a rotating wheel 607, a clamping plate 608, and a second motor 609; two second guide rails 601 are provided below the support frame 1; the first guide rail 2 is arranged laterally, and the second guide rails 601 are arranged longitudinally; a second electric guide carriage 602 is slidably mounted on the two second guide rails 601; a limiting plate 603 is fixedly connected to each of the left and right sides of each second electric guide carriage 602; each limiting plate 603 is bolted to its front and rear sides. A connecting plate 604; a first motor 605 is mounted on one side of the connecting plate 604; a positioning arc plate 606 is rotatably connected between the two connecting plates 604; the positioning arc plate 606 is fixedly connected to the output shaft of the first motor 605; several rotating wheels 607 are slidably connected inside each positioning arc plate 606; a clamping plate 608 is mounted on each rotating wheel 607; the clamping plate 608 is composed of two arc-shaped limiting blocks and a top plate, used to limit the movement of the elevator guide rail; the rotation of each rotating wheel 607 is powered by its corresponding second motor 609.

[0025] During the loading process, the second electric guide trolley 602 is positioned to the side of the elevator guide rail conveyor to be processed. The second electric guide trolley 602 moves longitudinally to complete the spacing arrangement between the elevator guide rails to be processed. During this process, the positioning arc plate 606 near the side of the conveyor is rotated so that the surface of the positioning arc plate 606 is flush with the surface of the limiting plate 603, while the positioning arc plate 606 on the other side remains... Figure 12 In the vertical position, during this process, the clamping plate 608 can effectively limit the end of the elevator guide rail to be processed, which can prevent the elevator guide rail to be processed from being inconsistent in length on the second electric guide carriage 602 due to inertia. After all the elevator guide rails to be processed are arranged, the positioning arc plate 606 on the other side is rotated up to limit the other side of the elevator guide rail to be processed. In this way, the elevator guide rail to be processed always maintains a relatively stable state during the movement of the second electric guide carriage 602.

[0026] When the second electric guide carriage 602 moves directly below the support frame 1, it first controls the two positioning arc plates 606 to rotate until they are flush with the limit plate 603; then it controls the two first electric guide carriages 301 to position their double-headed fixing rods 3081 above the elevator guide rail to be processed. As the double-headed fixing rods 3081 move, they control the external air supply mechanism to operate. Under the action of the air supply mechanism, airflow is ejected from each annular jet nozzle 3082. The ejected airflow can remove some debris from the elevator guide rail to be processed. Subsequently, it controls the two first hydraulic rods 303 to drive the rectangular bearing... As the load beam 304 moves downward, the double-headed fixing locking rods 3081 on all clamping mechanisms 308 are also positioned at each elevator guide rail to be processed. Taking one side as an example, the two second hydraulic rods 306 are controlled to run. The telescopic part of the second hydraulic rods 306 drives the connecting rod on the clamping mechanism 308 to move. The corresponding double-headed fixing locking rods 3081 rotate under the force, thereby clamping the elevator guide rail to be processed. Then, the two first hydraulic rods 303 are controlled to run back. The elevator guide rail to be processed is lifted under the clamping action, thus completing the clamping and conveying action.

[0027] Example 2, as Figure 1 , Figure 9 , Figure 10 As shown, it also includes a conveyor rail 501, a planer 502, a placement frame 503, a preload structure 504, a fastening plate 505, a positioning rod 5051, and a screw 5052; two conveyor rails 501 are provided below the support frame 1; a planer 502 is provided on the side of each conveyor rail 501; a placement frame 503 is slidably provided on each conveyor rail 501; several preload structures 504 are installed on the placement frame 503; the preload structure 504 is composed of a support plate and an electric push rod; several fastening plates 505 are installed on the placement frame 503; the fastening plate 505 is rotatable, and the rotation of the fastening plate 505 relies on the rotation and downward movement of the limiting screw 5052 between the bottom positioning rod 5051 and the placement frame 503 to achieve effective clamping of the elevator rail.

[0028] The elevator guide rail to be processed is conveyed to the top of the placement frame 503 under the clamping action of the clamping mechanism 308. Two first hydraulic rods 303 lower the elevator guide rail, which is then released by the clamping mechanism 308. The lower elevator guide rail is pre-placed on three pre-loaded structures 504. Then, under the action of the electric push rod, the elevator guide rail is lowered until its lower surface is flush with the upper surface of the placement frame 503. Subsequently, the fastening plates 505 move downwards and rotate under the effective drive of the power structure. Each fastening plate 505 can clamp adjacent... The two elevator guide rails to be processed are precisely clamped to ensure that the elevator guide rails to be processed will not move. In the subsequent processing, the placement frame 503 moves on the conveyor guide rail 501, while the elevator guide rails to be processed repeatedly pass through the planer 502 to complete the planing operation. During the planing process, since the placement frame 503 is moving, most of the metal wires that are planed off will be pushed to the side of the placement frame 503 by the planer 502, and the metal wires will be collected in advance to avoid the need for manual cleaning by stepping on the placement frame 503 later.

[0029] Example 3, as Figures 1-7 As shown, it also includes a third hydraulic rod 401, a first fixing plate 402, and a rectangular electromagnet 403; several third hydraulic rods 401 are installed on the support frame 302; the telescopic parts of all third hydraulic rods 401 are equipped with first fixing plates 402; a rectangular electromagnet 403 for collecting and transporting the processed metal wire is installed at the bottom of the first fixing plate 402.

[0030] It also includes a fourth hydraulic rod 404, a second fixed locking plate 405, a cylindrical electromagnet 406, a vent pipe 407, and a cleaning head 408; two third hydraulic rods 401 are installed on the support frame 302; and the third hydraulic rods 401 are located on the side of the third hydraulic rod 401; the telescopic parts of the two fourth hydraulic rods 404 are fixed to the same second fixed locking plate 405; several cylindrical electromagnets 406 are installed at the bottom of the second fixed locking plate 405; the number of cylindrical electromagnets 406 is consistent with the number of elevator guide rails being planed; each cylindrical electromagnet 406 is equipped with a vent pipe 407; each vent pipe 407 is rotatably connected to a cleaning head 408, and the vent pipe 407 and the cleaning head 408 are kept in communication; the cleaning head 408 is made of hard rubber, and annular air outlet channels are opened on both sides of the cleaning head 408.

[0031] After planing, the clamping mechanism 308 is used to clamp and transport the machined elevator guide rail. During this process, the clamping mechanism 308 moves above the machined elevator guide rail. The double-headed fixing locking rod 3081 moves to control the operation of the external air supply mechanism. Under the action of the air supply mechanism, airflow is ejected from each annular jet nozzle 3082. The ejected airflow can remove metal debris from the elevator guide rail to be processed. In this way, during the fixing process of the double-headed fixing locking rod 3081, metal debris and metal impurities can be avoided from affecting the clamping, thereby ensuring the cleanliness of the planed surface, avoiding scratches, and improving production accuracy.

[0032] After clamping is completed, the positioning arc plate 606 on one side is rotated to make the surface of the positioning arc plate 606 flush with the surface of the limiting plate 603, while the positioning arc plate 606 on the other side remains... Figure 12 In the vertical position, during this process, the clamping plate 608 can effectively limit the end of the elevator guide rail to be processed. After loading is completed, the positioning arc plate 606 on one side rotates to a vertical position and leaves the support frame 1 area under the action of the second electric guide trolley 602, so as to realize subsequent hoisting. Before hoisting, since the elevator guide rails are spaced apart after processing, it is inconvenient to complete effective hoisting, the hoisting risk is high, and slippage is easy to occur. At this time, the rotating wheels 607 on both sides of each processed elevator guide rail are controlled to rotate under the drive of the corresponding second motor 609. The clamping plate 608 pushes the elevator guide rail to move as it moves. Because both sides of the elevator guide rail are effectively clamped, the elevator guide rail is easy and stable to move horizontally. Moreover, both ends of the elevator guide rail are very flat, thus ensuring that the lock can be directly fastened to both sides of the elevator guide rail during subsequent hoisting, improving the efficiency of subsequent hoisting and making the overall operation safer and more convenient.

[0033] During the completion of one work cycle, the second electric guide carriage 602 needs to receive the next elevator guide rail to be processed. The placement rack 503, due to metal shavings, wires, and other debris from processing, will become unstable if not cleaned promptly, making installation and clamping impossible and compromising stability. During this process, the first electric guide carriage 301 is idle, allowing for full utilization of this time. The two first electric guide carriages 301 move to the side of the placement rack 503, controlling the two fourth hydraulic rods 404 to operate. All the cylindrical electromagnets 406 and their connected components move downwards until the rack is cleared. At the point where the cleaning head 408 contacts the surface of the placement rack 503, all cylindrical electromagnets 406 are energized. The cylindrical electromagnets 406 can attract larger metal debris and fine wires around the fastening plate 505. However, small metal debris can also affect the stability of the elevator guide rail. The external air supply mechanism is controlled to operate. Under the action of the air supply mechanism, airflow is transmitted from the air pipe 407 to the cleaning head 408. The cleaning head 408 completes the processing of small debris. The overall cleaning work can be achieved by coordinating the lateral movement of the two first electric guide carriages 301 or by coordinating the movement of the placement rack 503 on the conveying guide rail 501.

[0034] After cleaning the placement surface of the placement rack 503, the rectangular electromagnet 403 is positioned on the inclined surface of the placement rack 503. When the rectangular electromagnet 403 is energized, the two third hydraulic rods 401 are controlled to operate. As the rectangular electromagnet 403 moves downward, it can effectively attract the metal filaments and transfer these metal filaments to the collection point for unified collection.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that variations may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic loading and unloading system for high-precision elevator guide rail planing, comprising a support frame (1). Two first guide rails (2) are horizontally arranged on the support frame (1); The first electric guide vehicle (301) is slidably mounted on each first guide rail (2); A support frame (302) is provided, through which the two first electric guide vehicles (301) are connected; Its features are, It also includes a first hydraulic rod (303), and at least one first hydraulic rod (303) is vertically mounted on the support frame (302). The rectangular load-bearing beam (304) is driven to move vertically by the telescopic parts of the two first hydraulic rods (303). Fixed beams (305), one fixed beam (305) is fixedly connected to each side of the rectangular load-bearing beam (304); second hydraulic rods (306), two second hydraulic rods (306) are rotatably arranged on one side of the rectangular load-bearing beam (304); two second hydraulic rods (306) are rotatably arranged on the other side of the rectangular load-bearing beam (304); mounting beams (307), one mounting beam (307) is provided on each fixed beam (305); The clamping mechanism (308) is provided on the mounting beam (307), and each clamping mechanism (308) is connected to a second hydraulic rod (306).

2. The automatic loading and unloading system for high-precision elevator guide rail planing according to claim 1, characterized in that, The clamping mechanism (308) consists of a double-headed fixing rod (3081) and an annular jet head (3082) coaxially sleeved on the body of the double-headed fixing rod (3081).

3. The automatic loading and unloading system for high-precision elevator guide rail planing according to claim 1, characterized in that, Each double-headed fixed locking bar (3081) has an annular positioning block at the bottom of its bar body; each annular positioning block has a safety block (3083) fixedly attached to its bottom.

4. An automatic loading and unloading system for high-precision elevator guide rail planing as described in claim 1, characterized in that, It also includes a second guide rail (601), a second electric guide vehicle (602), a limiting plate (603), a connecting plate (604), a first motor (605), a positioning arc plate (606), a rotating wheel (607), a clamping plate (608), and a second motor (609); two second guide rails (601) are provided below the support frame (1); the first guide rail (2) is arranged horizontally, and the second guide rail (601) is arranged vertically; a second electric guide vehicle (602) is slidably arranged on the two second guide rails (601); a limiting plate (603) is fixedly connected to each of the left and right sides of each second electric guide vehicle (602). Each limiting plate (603) has a connecting plate (604) fixedly connected to its front and rear sides; a first motor (605) is installed on one side of the connecting plate (604); a positioning arc plate (606) is rotatably connected between the two connecting plates (604); the positioning arc plate (606) is fixedly connected to the output shaft of a first motor (605); several rotating wheels (607) are slidably connected inside each positioning arc plate (606); a clamping plate (608) is installed on each rotating wheel (607); the rotation of each rotating wheel (607) is powered by its corresponding second motor (609).

5. An automatic loading and unloading system for high-precision elevator guide rail planing according to claim 3, characterized in that, The card plate (608) consists of two arc-shaped limiting blocks and a top plate.

6. An automatic loading and unloading system for high-precision elevator guide rail planing as described in claim 4, characterized in that, It also includes a conveyor rail (501), a planer (502), a placement frame (503), a preload structure (504), a fastening plate (505), a positioning rod (5051), and a screw (5052); two conveyor rails (501) are provided below the support frame (1); a planer (502) is provided on the side of each conveyor rail (501); a placement frame (503) is slidably provided on each conveyor rail (501); several preload structures (504) for preloading the elevator rails to be processed are installed on the placement frame (503); the preload structure (504) consists of a support plate and an electric push rod; several fastening plates (505) for fixing the elevator rails to be processed are installed on the placement frame (503).

7. An automatic loading and unloading system for high-precision elevator guide rail planing according to claim 5, characterized in that, The fastening plate (505) is rotatable.

8. An automatic loading and unloading system for high-precision elevator guide rail planing according to claim 5, characterized in that, It also includes a third hydraulic rod (401), a first fixed locking plate (402) and a rectangular electromagnet (403); several third hydraulic rods (401) are installed on the support frame (302); the telescopic part of all the third hydraulic rods (401) is estimated to have a first fixed locking plate (402); a rectangular electromagnet (403) is installed at the bottom of the first fixed locking plate (402).

9. An automatic loading and unloading system for high-precision elevator guide rail planing according to claim 7, characterized in that, It also includes a fourth hydraulic rod (404), a second fixed locking plate (405), a cylindrical electromagnet (406), a vent pipe (407), and a cleaning head (408); two third hydraulic rods (401) are installed on the support frame (302); and the third hydraulic rods (401) are located on the side of the third hydraulic rods (401); the telescopic parts of the two fourth hydraulic rods (404) are fixed to the same second fixed locking plate (405); several cylindrical electromagnets (406) are installed at the bottom of the second fixed locking plate (405); the number of cylindrical electromagnets (406) is consistent with the number of elevator guide rails being planed; each cylindrical electromagnet (406) is equipped with a vent pipe (407); each vent pipe (407) is rotatably connected to a cleaning head (408), and the vent pipe (407) and the cleaning head (408) are kept in communication.

10. An automatic loading and unloading system for high-precision elevator guide rail planing according to claim 8, characterized in that, The cleaning head (408) is made of hard rubber and has annular air outlet channels on both sides.

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