Common material rack for boxing vehicle door outer plate

Abstract

The utility model discloses a common material rack for boxing a vehicle door outer plate. The common material rack comprises a material rack body, an up-down limiting assembly and a front-back limiting assembly, the material frame body comprises a bottom plate and a supporting frame fixedly connected to the upper side of the bottom plate, and a vehicle door outer plate can be inserted into the material frame body from the front end of the material frame body. The up-down limiting assembly comprises a lower limiting plate connected to the upper side of the bottom plate and an upper limiting rod suspended on the supporting frame. The two ends of the upper limiting rod are connected with the two sides of the supporting frame, a locking assembly is further arranged between the upper limiting rod and the supporting frame, and the locking assembly at least has a locking state and an unlocking state; the upper limiting rod is configured to move relative to the material frame body, so that the height of the upper limiting rod can be adjusted, the upper limiting rod can be matched with placement of vehicle door outer plates of different sizes, due to the arrangement of the locking assembly, the position of the upper limiting rod can be fixed after the height of the upper limiting rod is adjusted, and the material frame is convenient to use. And the stability of the material rack in use is ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of automotive door component transportation and storage devices, specifically to a common material rack for packing vehicle door outer panels. Background Technology

[0002] The outer panel of a vehicle door is the core supporting component of the door structure and an important part of the vehicle's appearance. It is usually made of high-strength steel plates or composite materials through stamping.

[0003] Since vehicle door panels are stamped parts, their shapes are irregular and uneven. If they are stacked, they will be deformed by pressure. As an exterior part of the vehicle, the vehicle door panel has extremely high requirements for its shape integrity. Therefore, the vehicle door panel cannot be deformed in any way. So after the vehicle door panel is stamped, a special material rack is used to place it vertically at intervals to ensure that it will not be deformed by external forces during storage and transportation.

[0004] Chinese patent number ZL202321330025.9 discloses: "A customized protective material rack for the transfer of automotive door outer panels, including a rectangular base plate, a column fixedly connected to the top corner of the base plate, the column being perpendicular to the base plate, a protective pad fixedly connected to the base plate, a top stop bar connected to the protective pad, the top stop bar having multiple square locking stops, the multiple locking stops being parallel to each other and parallel to the top stop bar, the multiple locking stops being evenly arrayed on the protective pad, each locking stop bar being connected to a sponge abutment pad; a crossbeam is set at the top between adjacent columns, the crossbeam is fixedly connected to a connecting rod, a baffle is set between two connecting rods, the spacing between adjacent baffles is equal to the spacing between adjacent locking stops, a side sealing rod is set at each end of the baffle, the side sealing rod is connected between the columns by a rotation locking assembly, to prevent the product from sliding due to vibration during transportation, resulting in scratches and a decrease in surface quality.

[0005] However, as people pursue personalization in their cars, the automotive industry is constantly developing and changing, resulting in a production model of multiple models and small batches. This leads to an increase in the types of stamped parts. Often, the production of a new model is accompanied by the scrapping of the old model's stamped parts rack and the investment in the new model's rack. However, each investment in the new model's rack represents an increase in production costs. Therefore, there is an urgent need to develop a rack for vehicle door panels that can be used for various types and sizes of door panels, so as to achieve commonality for stamped door panels of various vehicles. Summary of the Invention

[0006] In order to overcome the shortcomings of the existing technology where the material racks for vehicle door panels are frequently changed due to changes in vehicle models, resulting in increased production costs, this utility model provides a shared material rack for vehicle door panel packaging.

[0007] The technical solution of this utility model to solve its technical problem is: a common material rack for packing vehicle door outer panels, comprising:

[0008] The rack body includes a base plate and a support frame fixedly connected to the upper side of the base plate. The vehicle door outer panel can be inserted into the rack body from the front end of the rack body.

[0009] The upper and lower limit assembly includes a lower limit plate connected to the upper side of the base plate and an upper limit rod suspended on the support frame. The lower limit plate can abut against the lower side of the vehicle door outer panel, and the upper limit rod can abut against the upper side of the vehicle door outer panel, thereby restricting the vertical movement of the vehicle door outer panel.

[0010] The front and rear limiting assembly includes a rear limiting rod connected to the rear end of the support frame and a front limiting rod connected to the front end of the support frame. The rear limiting rod can abut against the rear end of the vehicle door outer panel, and the front limiting rod can abut against the front end of the vehicle door outer panel, thereby limiting the movement of the vehicle door outer panel in the front and rear directions.

[0011] The two ends of the upper limit rod are connected to the two sides of the support frame, and a locking component is provided between the upper limit rod and the support frame. The locking component has at least a locked state and an unlocked state.

[0012] When the locking component is in the locked position, the locking component acts between the upper limit rod and the support frame to prevent the upper limit rod from moving relative to the support frame;

[0013] When the locking component is in the unlocked position, the locking component is released, and the upper limit lever can move up and down relative to the support frame.

[0014] Furthermore, the locking assembly includes locking holes opened on the left and right sides of the support frame, and locking pins that can be telescopically inserted through both ends of the upper limit rod. Several locking holes are arranged from top to bottom on the left and right sides of the support frame.

[0015] When the locking assembly is in the locked state, the locking pin extends from both ends of the upper limit rod and is inserted into the locking hole of the support frame;

[0016] When the locking assembly is in the unlocked state, the locking pin retracts into both ends of the upper limit rod, thereby releasing its engagement with the locking hole.

[0017] Furthermore, pin sleeves are fixedly connected to the upper sides of both ends of the upper limit rod, and the locking pins pass through the pin sleeves and can slide relative to the pin sleeves to realize the extension and retraction of both ends of the upper limit rod. A driving device is also fixedly connected to the upper side of the upper limit rod. The driving device is located between the two pin sleeves, and the driving device is connected to the two locking pins through a pull rod, so that operating the driving device can drive the locking pins to extend and retract.

[0018] Furthermore, a locking spring is also provided inside the pin sleeve. The locking spring acts between the pin sleeve and the locking pin so that the locking pin always has a tendency to extend from both ends of the upper limit rod.

[0019] Furthermore, the driving device includes a fixed base and two clamping handles. The middle position of each of the two clamping handles is hinged to the fixed base, and the two clamping handles are arranged in a scissor-like manner. The pull rod is connected to the lower end of the clamping handle, and the upper end of the clamping handle protrudes above the fixed base. The locking pin is extended and retracted by operating the clamping handle.

[0020] Furthermore, guide rails are fixedly connected to both sides of the support frame, and guide sliders are fixedly connected to both ends of the upper limit rod. When the upper limit rod moves relative to the support frame, the guide sliders can slide along the guide rails.

[0021] Furthermore, the lower limit plate has several upward-facing lower limit grooves, the upper limit rod has several downward-facing upper limit grooves, and the rear limit rod has several forward-facing rear limit grooves. When the vehicle door outer panel is inserted into the material rack body, the lower edge of the vehicle door outer panel engages with the lower limit groove, the upper edge of the vehicle door outer panel engages with the upper limit groove, and the rear edge of the vehicle door outer panel engages with the rear limit groove, thereby restricting the left and right movement of the vehicle door outer panel relative to the material rack body.

[0022] Furthermore, the front limit rod is also fixedly connected to both ends with adapter arms, which are rotatably connected to the support frame. The adapter arms rotate relative to the support frame, which can drive the front limit rod to swing back and forth.

[0023] Furthermore, the support frame is provided with fixing ears on both sides, and the fixing ears are provided with several external fixing holes. The adapter arm is also provided with an internal fixing hole. By inserting the fixing member through the external fixing hole and the internal fixing hole, the adapter arm can be prevented from rotating relative to the support frame.

[0024] Furthermore, the lower side of the base plate is also provided with several shovel feet.

[0025] The process of placing the vehicle door outer panel in this utility model:

[0026] Before placing the vehicle door outer panel, rotate the adapter arm forward and flip the front limit bar upward. Then, align the formed vehicle door outer panel with the material rack body and insert it. During the insertion process, first, the lower edge of the vehicle door outer panel needs to be engaged and fitted into the lower limit groove. Then, push the vehicle door outer panel so that its lower edge moves along the lower limit groove. During this movement, the upper edge of the vehicle door outer panel can also be engaged and fitted into the upper limit groove. When the vehicle door outer panel moves backward and abuts against the rear limit bar, its rear end edge... The connecting arm can be snapped into the rear limiting groove, thus placing one vehicle door outer panel on the material rack body. After placing a set number of vehicle door outer panels on the material rack body in sequence, the adapter arm is rotated backward, causing the front limiting rod to flip downward, and finally the front limiting rod abuts against the front end of the vehicle door outer panel. Then, a fastener is used to pass through the outer fixing hole on the fixing ear and the inner fixing hole on the adapter arm to fix the position of the adapter arm. At this point, all vehicle door outer panels have been placed on the material rack body, and the movement of the vehicle door outer panels in all directions has been restricted.

[0027] The adjustment process of this utility model when used for vehicle door outer panels of different models and sizes:

[0028] When a different size vehicle door panel needs to be placed on the rack body, the clamping handle on the drive unit can be operated to pull the lever and cause the locking pins at both ends of the upper limit rod to retract. When the locking pins at both ends retract to exit the locking groove, the locking assembly switches from the locked state to the unlocked state. At this time, the upper limit rod can move up and down relative to the rack body. Due to the presence of the guide rail and guide slider, the upper limit rod needs to slide along the length of the guide rail to achieve the up and down displacement. When the upper limit rod moves to the corresponding height so that the locking pin is aligned with the corresponding locking groove at that height, the clamping handle of the drive unit is released. The locking pin will reset under the action of the locking spring and extend from both ends of the upper limit rod. At this time, the locking pin is inserted into the aligned locking groove, and the locking assembly switches from the unlocked state back to the locked state to restrict the movement of the upper limit rod. This completes the adjustment of the height of the upper limit rod, making it suitable for the new size vehicle door panel to be placed.

[0029] The beneficial effects of this utility model are as follows:

[0030] 1. The upper limit lever is configured to be movable relative to the rack body, thereby allowing the height of the upper limit lever to be adjusted to accommodate the placement of vehicle door panels of various sizes. Furthermore, due to the locking component, the upper limit lever can be fixed in position after the height is adjusted, ensuring the stability of the rack during use.

[0031] 2. The locking assembly uses a combination of locking pins and locking grooves to lock the position of the upper limit lever. Therefore, the locking grooves corresponding to each height can be set in advance according to the height of the door panels of various models of vehicles to be placed in production. This allows the operator to quickly adjust the position of the upper limit lever according to the corresponding height locking groove when the door panels of a certain model of vehicle need to be locked, making the adjustment process of this material rack simpler and faster.

[0032] 3. The locking assembly uses a clamping handle to drive the locking pin via a pull rod, making the operation of changing the state of the locking assembly very simple;

[0033] 4. Guide sliders are connected to both ends of the upper limit rod, and guide rails are set on the material rack body, so as to limit and guide the up and down movement of the upper limit rod, making the position change of the upper limit rod more controllable. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the structure of this utility model.

[0035] Figure 2 This is a structural schematic diagram of the other side of this utility model.

[0036] Figure 3 yes Figure 2 Enlarged diagram of point A in the middle.

[0037] Figure 4 This is an exploded schematic diagram of this utility model.

[0038] Figure 5 This is a schematic diagram of the structure of the material rack body in this utility model.

[0039] Figure 6 This is a schematic diagram showing the disassembled upper limit rod, its upper locking component, and the slide rail in this utility model.

[0040] Figure 7 This is a cross-sectional view of the engagement state of the pin sleeve, locking pin, and locking spring in this utility model.

[0041] Figure 8 This is a schematic diagram showing the state of the vehicle door outer panel after it has been placed in this utility model.

[0042] The following are the labeling elements in the diagram: 1. Material rack body; 2. Base plate; 3. Support frame; 4. Lower limit plate; 5. Upper limit rod; 6. Rear limit rod; 7. Front limit rod; 8. Locking hole; 9. Locking pin; 10. Pin sleeve; 11. Drive device; 12. Pull rod; 13. Locking spring; 14. Fixed seat; 15. Clamping handle; 16. Guide slide rail; 17. Guide slider; 18. Lower limit groove; 19. Upper limit groove; 20. Rear limit groove; 21. Adapter arm; 22. Fixed ear; 23. External fixing hole; 24. Internal fixing hole; 25. Shovel foot; 26. Pin rod; 27. Lifting ring; 28. Roller; 100. Vehicle door outer panel. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0044] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0045] Example

[0046] Combination Figures 1 to 8The diagram illustrates a common rack for packing vehicle door panels, comprising a rack body 1, upper and lower limiting components, and front and rear limiting components. The rack body 1 includes a base plate 2 and a support frame 3 fixedly connected to the upper side of the base plate 2. A vehicle door panel 100 can be inserted into the rack body 1 from its front end. The upper and lower limiting components include a lower limiting plate 4 connected to the upper side of the base plate 2 and an upper limiting rod 5 suspended on the support frame 3. The lower limiting plate 4 abuts against the lower side of the vehicle door panel 100, and the upper limiting rod 5 abuts against the upper side of the vehicle door panel 100, thereby restricting the vertical movement of the vehicle door panel 100. The front and rear limiting components include a rear limiting rod 6 connected to the rear end of the support frame 3 and a front limiting rod 6 connected to the front end of the support frame 3. The rear limiting rod 6 abuts against the rear end of the vehicle door outer panel 100, and the front limiting rod 7 abuts against the front end of the vehicle door outer panel 100, thereby restricting the movement of the vehicle door outer panel 100 in the front-rear direction; the two ends of the upper limiting rod 5 are connected to the two sides of the support frame 3, and a locking component is also provided between the upper limiting rod 5 and the support frame 3. The locking component has at least a locked state and an unlocked state; when the locking component is in the locked position, the locking component acts between the upper limiting rod 5 and the support frame 3 to prevent the upper limiting rod 5 from moving relative to the support frame 3; when the locking component is in the unlocked position, the locking component is released, and the upper limiting rod 5 can move up and down relative to the support frame 3.

[0047] Combination Figure 2 and Figure 3 As shown, in this embodiment, the locking assembly includes locking holes 8 on the left and right sides of the support frame 3, and locking pins 9 that are retractable and pass through both ends of the upper limit rod 5. Several locking holes 8 are arranged from top to bottom on the left and right sides of the support frame 3. When the locking assembly is in the locked state, the locking pins 9 extend from both ends of the upper limit rod 5 and are inserted into the locking holes 8 of the support frame 3. When the locking assembly is in the unlocked state, the locking pins 9 retract into both ends of the upper limit rod 5, thereby releasing the engagement with the locking holes 8.

[0048] Combination Figure 6 and Figure 7 As shown, in this embodiment, pin sleeves 10 are fixedly connected to the upper sides of both ends of the upper limit rod 5. The locking pins 9 pass through the pin sleeves 10 and can slide relative to the pin sleeves 10 to realize the extension and retraction of both ends of the upper limit rod 5. A driving device 11 is also fixedly connected to the upper side of the upper limit rod 5. The driving device 11 is located between the two pin sleeves 10, and the driving device 11 is connected to the two locking pins 9 through the pull rod 12. Thus, operating the driving device 11 can drive the locking pins 9 to extend and retract.

[0049] Among them, such as Figure 7 As shown in the figure, in this embodiment, a locking spring 13 is also provided inside the pin sleeve 10. The locking spring 13 acts between the pin sleeve 10 and the locking pin 9 so that the locking pin 9 always has a tendency to extend from both ends of the upper limit rod 5.

[0050] Among them, such as Figure 7 As shown, the locking pin 9 consists of a pin 26 and a lifting ring 27. The pin 26 passes through the pin seat, while the lifting ring 27 is located outside the pin sleeve 10 and is fixedly connected to the tail of the pin 26. The pull rod 12 is connected to the lifting ring 27. The locking spring 13 acts between the pin sleeve 10 and the pin 26. The lifting ring 27 can form a limiting fit with the pin sleeve 10 to prevent the pin 26 from disengaging from the pin sleeve 10 under the action of the locking spring 13.

[0051] Among them, such as Figure 6 As shown in the figure, the driving device 11 in this embodiment includes a fixed base 14 and two clamping handles 15. The middle position of the two clamping handles 15 is hinged to the fixed base 14, and the two clamping handles 15 are arranged in a scissor-like manner. The pull rod 12 is connected to the lower end of the clamping handle 15, and the upper end of the clamping handle 15 protrudes above the fixed base 14. By operating the clamping handle 15, the locking pin 9 is moved to extend and retract.

[0052] Combination Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, in this embodiment, guide rails 16 are fixedly connected to both sides of the support frame 3, and guide sliders 17 are fixedly connected to both ends of the upper limit rod 5. When the upper limit rod 5 moves relative to the support frame 3, the guide sliders 17 can slide along the guide rails 16.

[0053] Among them, such as Figure 6 As shown in the figure, in this embodiment, a plurality of rollers 28 are rotatably connected to the guide slider 17. The rollers 28 all abut against the inner wall of the guide rail 16. The sliding of the guide slider 17 on the guide rail 16 is achieved by the rolling of the rollers 28 relative to the guide rail 16.

[0054] Combination Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 8As shown, in this embodiment, the lower limit plate 4 has several upper limit grooves 18 with upward openings, the upper limit rod 5 has several upper limit grooves 19 with downward openings, and the rear limit rod 6 has several rear limit grooves 20 with forward openings. When the vehicle door outer panel 100 is inserted into the material rack body 1, the lower edge of the vehicle door outer panel 100 engages with the lower limit grooves 18, the upper edge of the vehicle door outer panel 100 engages with the upper limit grooves 19, and the rear edge of the vehicle door outer panel 100 engages with the rear limit grooves 20, thereby restricting the vehicle door outer panel 100 from moving left or right relative to the material rack body 1.

[0055] Combination Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in this embodiment, the front limiting rod 7 is also fixedly connected to both ends of the adapter arm 21. The adapter arm 21 is also rotatably connected to the support frame 3. The adapter arm 21 rotates relative to the support frame 3, which can drive the front limiting rod 7 to swing back and forth.

[0056] Combination Figure 4 and Figure 5 As shown, in this embodiment, the support frame 3 is also provided with fixing ears 22 on both sides. The fixing ears 22 are provided with a plurality of external fixing holes 23, and the adapter arm 21 is provided with an internal fixing hole 24. By passing the fixing member through the external fixing hole 23 and the internal fixing hole 24, the adapter arm 21 can be prevented from rotating relative to the support frame 3.

[0057] Combination Figure 1 , Figure 2 , Figure 5 and Figure 8 As shown, in this embodiment, the lower side of the base plate 2 is also provided with a plurality of shovel feet 25.

[0058] The process of placing the vehicle door outer panel in this embodiment:

[0059] Before placing the vehicle door outer panel 100, rotate the adapter arm 21 forward and flip the front limit rod 7 upward. Then, the formed vehicle door outer panel 100 can be aligned with the material rack body 1 and inserted. During the insertion of the vehicle door outer panel 100, the lower edge of the vehicle door outer panel 100 needs to be engaged with the lower limit groove 18. Then, push the vehicle door outer panel 100 so that its lower edge moves along the lower limit groove 18. During this movement, the upper edge of the vehicle door outer panel 100 can also be engaged with the upper limit groove 19. When the vehicle door outer panel 100 moves backward and forms an abutment with the rear limit rod 6, its rear end edge... It can also be snapped into the rear limiting groove 20 so that one vehicle door outer panel 100 is placed on the material rack body 1. After a set number of vehicle door outer panels 100 are placed on the material rack body 1 in sequence, the adapter arm 21 is rotated backward and the front limiting rod 7 is flipped downward, so that the front limiting rod 7 abuts against the front end of the vehicle door outer panel 100. Then, a fastener is used to pass through the outer fixing hole 23 on the fixing ear 22 and the inner fixing hole 24 on the adapter arm 21 to fix the position of the adapter arm 21. At this point, all vehicle door outer panels 100 have been placed on the material rack body 1, and the movement of the vehicle door outer panels 100 in all directions has been restricted.

[0060] This embodiment describes the adjustment process for vehicle door outer panels of different sizes:

[0061] When a vehicle door outer panel 100 of another size needs to be placed on the rack body 1, the clamping handle 15 on the drive device 11 can be operated to pull the pull rod 12 and cause the locking pins 9 at both ends of the upper limit rod 5 to retract. When the locking pins 9 at both ends retract to exit the locking groove, the locking assembly switches from the locked state to the unlocked state. At this time, the upper limit rod 5 can move up and down relative to the rack body 1. Due to the presence of the guide rail 16 and the guide slider 17, the upper limit rod 5 needs to move along the length of the guide rail 16. Sliding allows for vertical displacement. When the upper limit lever 5 moves to the corresponding height, the locking pin 9 aligns with the corresponding locking groove at that height. At this point, the clamping handle 15 of the drive device 11 is released, and the locking pin 9 resets under the action of the locking spring 13 and extends from both ends of the upper limit lever 5. The locking pin 9 then engages with the aligned locking groove, and the locking assembly switches from the unlocked state back to the locked state to restrict the movement of the upper limit lever 5. This completes the adjustment of the height of the upper limit lever 5, allowing it to fit the new size of the vehicle door outer panel 100 that needs to be placed.

[0062] The advantage of this embodiment is that this rack can be used for placing vehicle door panels of various shapes and sizes, and one rack can achieve the function of multiple racks, thereby effectively saving production costs.

[0063] The above specific embodiments are merely explanations of the present utility model and are not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to the embodiments without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A common rack for packing vehicle door outer panels, comprising: The rack body (1) includes a base plate (2) and a support frame (3) fixedly connected to the upper side of the base plate (2). The vehicle door outer panel (100) can be inserted into the rack body (1) from the front end of the rack body (1). The upper and lower limit assembly includes a lower limit plate (4) connected to the upper side of the base plate (2) and an upper limit rod (5) suspended on the support frame (3). The lower limit plate (4) can abut against the lower side of the vehicle door outer panel (100), and the upper limit rod (5) can abut against the upper side of the vehicle door outer panel (100), thereby restricting the movement of the vehicle door outer panel (100) in the vertical direction. The front and rear limiting assembly includes a rear limiting rod (6) connected to the rear end of the support frame (3) and a front limiting rod (7) connected to the front end of the support frame (3). The rear limiting rod (6) can abut against the rear end of the vehicle door outer panel (100), and the front limiting rod (7) can abut against the front end of the vehicle door outer panel (100), thereby limiting the movement of the vehicle door outer panel (100) in the front and rear directions. characterized in that The two ends of the upper limit rod (5) are connected to the two sides of the support frame (3), and a locking component is provided between the upper limit rod (5) and the support frame (3). The locking component has at least a locked state and an unlocked state. When the locking component is in the locked position, the locking component acts between the upper limit rod (5) and the support frame (3) to prevent the upper limit rod (5) from moving relative to the support frame (3); When the locking component is in the unlocked position, the locking component is released, and the upper limit rod (5) can move up and down relative to the support frame (3). The locking assembly includes locking holes (8) on the left and right sides of the support frame (3) and locking pins (9) that can be telescopically inserted at both ends of the upper limit rod (5). The locking holes (8) are arranged from top to bottom on the left and right sides of the support frame (3). When the locking assembly is in the locked state, the locking pin (9) extends from both ends of the upper limit rod (5) and is inserted into the locking hole (8) of the support frame (3); When the locking assembly is in the unlocked state, the locking pin (9) retracts into both ends of the upper limit rod (5), thereby releasing the engagement with the locking hole (8); The upper ends of the upper limit rod (5) are fixedly connected with pin sleeves (10), and the locking pins (9) pass through the pin sleeves (10) and can slide relative to the pin sleeves (10) to realize the extension and retraction of the two ends of the upper limit rod (5). The upper side of the upper limit rod (5) is also fixedly connected with a driving device (11). The driving device (11) is located between the two pin sleeves (10), and the driving device (11) is connected to the two locking pins (9) through the pull rod (12), so that operating the driving device (11) can drive the locking pins (9) to extend and retract.

2. A common rack for boxing vehicle door outer panels as defined in claim 1, wherein: A locking spring (13) is also installed inside the pin sleeve (10). The locking spring (13) acts between the pin sleeve (10) and the locking pin (9) so that the locking pin (9) always has a tendency to extend from both ends of the upper limit rod (5).

3. A common rack for boxing vehicle door outer panels as defined in claim 1, wherein: The drive device (11) includes a fixed base (14) and two clamping handles (15). The two clamping handles (15) are hinged to the fixed base (14) at the middle position and are arranged in a scissor shape. The pull rod (12) is connected to the lower end of the clamping handle (15). The upper end of the clamping handle (15) protrudes above the fixed base (14). The locking pin (9) is extended and retracted by operating the clamping handle (15).

4. A common rack for boxing vehicle door outer panels as defined in claim 1, wherein: The support frame (3) is also fixedly connected to guide rails (16) on both sides, and the upper limit rod (5) is fixedly connected to guide sliders (17) at both ends. When the upper limit rod (5) moves relative to the support frame (3), the guide sliders (17) can slide along the guide rails (16).

5. A common rack for boxing vehicle door outer panels as defined in claim 1, wherein: The lower limit plate (4) has several upper limit grooves (18) with openings facing upwards, the upper limit rod (5) has several upper limit grooves (19) with openings facing downwards, and the rear limit rod (6) has several rear limit grooves (20) with openings facing forwards. When the vehicle door outer panel (100) is inserted into the material rack body (1), the lower edge of the vehicle door outer panel (100) is engaged with the lower limit groove (18), the upper edge of the vehicle door outer panel (100) is engaged with the upper limit groove (19), and the rear edge of the vehicle door outer panel (100) is engaged with the rear limit groove (20), thereby restricting the vehicle door outer panel (100) from moving left and right relative to the material rack body (1).

6. A common rack for boxing vehicle door outer panels as defined in claim 1, wherein: The front limiting rod (7) is also fixedly connected to two ends of a transition arm (21), which is rotatably connected to the support frame (3). The transition arm (21) rotates relative to the support frame (3), which can drive the front limiting rod (7) to swing back and forth.

7. A common rack for boxing vehicle door outer panels as defined in claim 6, wherein: The support frame (3) is also provided with fixing ears (22) on both sides. The fixing ears (22) are provided with a number of external fixing holes (23). The adapter arm (21) is also provided with an internal fixing hole (24). By inserting the fixing member into the external fixing hole (23) and the internal fixing hole (24), the adapter arm (21) can be prevented from rotating relative to the support frame (3).

8. A common rack for boxing vehicle door outer panels as defined in claim 1, wherein: The bottom plate (2) is also provided with several shovel feet (25) protruding from its lower side.

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