Laser detection spraying hanger for automotive interior parts

Abstract

The application discloses the technical field of automobile interior part spraying, and discloses a kind of automobile interior part laser detection spraying hanger, wherein, hanger frame, it includes support column, symmetrically set on the wall of support column two sides and the limiting piece of several groups between two hanger plates;Hoisting frame, it is cooperated and inserted in support column, it includes connecting plate, the insertion rod of setting on the wall of connecting plate and the lifting ring of setting on the other side wall of connecting plate;Placing rack, it is hung on the wall of hanger plate, it includes lug and the placing rod of being connected on the wall of lug, lug can be contacted with limiting piece cooperation;In the application, the connecting mode of spraying hanger and support platform is improved, not only simple installation and removal process, but also the spraying hanger and support platform after connection have excellent combination and synchronism, have greater wear tolerance;And the installation and fixing process of spraying workpiece placing rack is greatly simplified, the maintenance efficiency of spraying hanger can be greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automotive interior parts spraying technology, and particularly relates to a laser detection spraying hanger for automotive interior parts. BACKGROUND

[0002] During the production process of automotive interior parts, multiple automatic spraying operations are required, and spraying hangers are used to fix the automotive workpieces to be sprayed on the spraying hangers, and then the spraying hangers are sent to the conveying chain to enter the spraying operation assembly line for automatic spraying by robots.

[0003] During the spraying operation process, the spraying hangers need to be recycled, and the paint layer on the surface of the hangers will become thicker and thicker, so the hangers must be disassembled regularly, transported to designated cleaning units, and the paint layer is removed by chemical or high-temperature methods, and then transported back to the spraying line for reuse. Usually, two groups of spraying hangers are used alternately to prevent production interruption.

[0004] During the disassembly, transportation, paint removal, inspection and installation process of the spraying hangers, the hangers are prone to deformation due to collision, or the screws and nuts used for installation are damaged, resulting in installation problems, which further affects the overall spraying process. SUMMARY

[0005] This section is intended to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0006] In view of the above problems of the existing automotive interior part spraying hanger, the present application is proposed.

[0007] Therefore, the present application aims to provide a laser detection spraying hanger for automotive interior parts, which aims to solve the problem that the existing automotive interior part spraying hanger is damaged during frequent disassembly and transportation, or the installation is deviated when damaged, which further affects the overall spraying efficiency.

[0008] To solve the above technical problems, the present application provides the following technical solutions: a kind of automobile interior part laser detection spraying hanger, this spraying hanger includes hanging bracket, hoisting frame and placing rack, wherein, hanging bracket, it includes support column, the hanging plate of the symmetry of being arranged on the two side walls of support column, and several groups of limiting pieces are arranged between the two hanging plate;Hoisting frame, it is inserted in the support column, it includes connecting plate, the plug-in rod of being arranged on the side wall of connecting plate, and the lifting ring of being arranged on the other side wall of connecting plate;Placing rack, it is hung on the side wall of hanging plate, it includes lug and the placing rod of being connected on the side wall of lug, the lug can be contacted with limiting piece cooperation.

[0009] As a preferred scheme of the automobile interior part laser detection spraying hanger of the present application, wherein: the inner cavity of the support column is hollow, the plug-in cavity is formed, and the cavity side wall of the plug-in cavity is provided with a clamping groove;The opening of the plug-in cavity has a stop ring.

[0010] As a preferred scheme of the automobile interior part laser detection spraying hanger of the present application, wherein: the limiting piece includes the installation box connected with the two hanging plates, the push rod hinged in the installation box, and the limiting clamp block symmetrically arranged on both sides of the push rod and sliding in the installation box;The two end side walls of the installation box are provided with sliding outlets, and one end of the limiting clamp block can slide out of the sliding outlet;The middle side wall of the rod body of the push rod is provided with a limiting slot, the movable rod is slidingly arranged in the limiting slot, and the two ends of the movable rod are symmetrically provided with push blocks;The middle side wall of the opposite side of the two limiting clamp blocks is provided with a groove, and the limiting groove is provided on the side wall on both sides of the groove opening, the movable rod extends in the groove, and the end of the push block slides in the limiting groove.

[0011] As a preferred scheme of the automobile interior part laser detection spraying hanger of the present application, wherein: the length direction of the groove cavity of the limiting groove is not parallel to the length direction of the groove, and the distance from the end of the groove cavity of the limiting groove to the groove opening gradually increases or decreases.

[0012] As a preferred scheme of the automobile interior part laser detection spraying hanger of the present application, wherein: the rod body of the plug-in rod is divided into movable section, barrier section, limiting section and separation section in sequence;The movable section can pass through the opening of the plug-in cavity, and the radial diameter of the barrier section is greater than the opening diameter of the plug-in cavity;The radial diameters of the barrier section, the limiting section and the separation section decrease in turn.

[0013] As a preferred scheme of the laser detection spraying hanger for the automotive interior part, the hanging lug can be hung on the side wall of the hanging plate and opposite to the position of the sliding outlet on the side wall of the mounting box; when the limiting block is pushed out of the sliding outlet, the side wall of the hanging lug is extruded.

[0014] As a preferred scheme of the laser detection spraying hanger for the automotive interior part, the supporting table is arranged at the bottom of the hanging frame and includes a supporting plate, a supporting cylinder arranged on the top surface of the supporting plate, and a supporting column arranged on the top of the supporting plate.

[0015] As a preferred scheme of the laser detection spraying hanger for the automotive interior part, the supporting cylinder corresponds to the supporting column and can be inserted into the insertion cavity of the supporting column.

[0016] As a preferred scheme of the laser detection spraying hanger for the automotive interior part, a plurality of groups of sliding limiting grooves are arranged on the side wall of the cylinder body of the supporting cylinder, and a limiting column is movably arranged in the sliding limiting groove; the groove of the sliding limiting groove penetrates the side wall of the cylinder body of the supporting cylinder and is communicated with the outside; the end of the limiting column can extend out of the groove of the sliding limiting groove and be limited in the clamping groove.

[0017] As a preferred scheme of the laser detection spraying hanger for the automotive interior part, the radial diameter of the limiting section of the insertion rod is equal to the inner cylinder diameter of the supporting cylinder, and the side wall of the limiting section can extrude the end of the limiting column; the axial length of the disengagement section of the insertion rod is not less than the axial distribution length of the plurality of groups of sliding limiting grooves.

[0018] The beneficial effects of the present application are as follows:

[0019] In the present application, the connection mode of the spraying hanger and the supporting table is improved, the installation and dismounting process is simple, the spraying hanger and the supporting table after connection have excellent combination and synchronization and have greater wear tolerance, the installation and fixing process of the spraying workpiece placing rack is greatly simplified, and the maintenance efficiency of the spraying hanger can be greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0021] Figure 1The whole application scene schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0022] Figure 2 The whole structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0023] Figure 3 The split structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0024] Figure 4 The hanging plate and limiting piece connection structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0025] Figure 5 The hanging plate and limiting piece split structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0026] Figure 6 The limiting piece A-A plane section structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0027] Figure 7 The whole side view structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0028] Figure 8 The whole B-B plane section structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application.

[0029] Figure 9 The local F enlarged structure schematic diagram of the laser detection spraying hanger for the automobile interior part of the application. DETAILED DESCRIPTION

[0030] In order to make the above objectives, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0032] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0033] Thirdly, the present application is described in detail in combination with the schematic diagram, in the detailed description of the embodiments of the present application, for the convenience of description, the cross-sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0034] Embodiments

[0035] Reference Figure 1 For the first embodiment of the present application, a laser detection spraying hanger for automotive interior parts is provided, which comprises a hanging bracket 100, a lifting bracket 200, a placing bracket 300 and a supporting table 400, wherein the hanging bracket 100 is the main part of the spraying hanger, and the automotive interior parts to be sprayed are hung on the side wall of the placing bracket 300; the lifting bracket 200 is used for lifting the hanging bracket 100, and for its installation and disassembly process; the placing bracket 300 is hung on the hanging bracket 100, and is used for placing the automotive interior parts; the supporting table 400 is used for installing the hanging bracket 100, and needs to be installed on the conveying chain of the spraying hanger.

[0036] Specifically, in combination with the accompanying drawings Figures 1 to 3 The hanging bracket 100 comprises a support column 101, a hanging plate 102 symmetrically arranged on the two side walls of the support column 101, and a plurality of sets of limiting pieces 103 arranged between the two hanging plates 102; the support column 101 and the hanging plate 102 constitute the main frame of the hanging bracket 100, and the limiting pieces 103 are used for limiting the placed bracket 300.

[0037] Further, the support column 101 is the main skeleton of the hanging bracket 100, the inner cavity of the column body is hollow, and an insertion cavity 101a is formed, and a clamping groove 101b is arranged on the cavity side wall of the insertion cavity 101a. It should be noted that the clamping grooves 101b are evenly provided in several groups and distributed on a section of the cavity side wall of the insertion cavity 101a; the opening of the insertion cavity 101a has a stop ring 101a-1, that is, the opening diameter of the insertion cavity 101a is smaller than the diameter of the inner cavity.

[0038] The hanging plate 102 is of a frame structure and is fixed on the two sides of the support column 101, and has a horizontal rod for hanging the placing bracket 300, the support column 101 divides the hanging plate 102 into several regions, and in each region, the corresponding limiting piece 103 and the placing bracket 300 are installed.

[0039] Specifically, in combination with the accompanying drawings Figures 4 to 6The limiting piece 103 comprises a mounting box 103a connected with the two side hanging plates 102, a push rod 103b hinged in the mounting box 103a, and limiting clamping blocks 103c symmetrically arranged on both sides of the push rod 103b and sliding in the mounting box 103a. The mounting box 103a connects the side walls of the two side hanging plates 102 through the plate structure at the bottom, and the box body of the mounting box 103a is hollow, and the end walls close to the two side hanging plates 102 are provided with sliding outlets 103a-1, and one end of the limiting clamping block 103c can slide out of the sliding outlet 103a-1. The limiting clamping block 103c is pushed by the linkage structure driven by the push rod 103b, and a limiting groove 103b-1 is formed in the middle side wall of the rod body of the push rod 103b, and a movable rod 103b-2 is slidingly arranged in the limiting groove 103b-1, and the two ends of the movable rod 103b-2 are symmetrically provided with push blocks 103b-3. The middle side walls of the two limiting clamping blocks 103c opposite to each other are provided with grooves, and limiting grooves 103c-1 are formed in the side walls on both sides of the groove openings, and the movable rod 103b-2 extends in the groove, and the end of the push block 103b-3 slides in the limiting groove 103c-1.

[0040] That is, through the deflection of the push rod 103b, the linear movement of the movable rod 103b-2 in the groove is driven, and the movable rod 103b-2 pushes the push blocks 103b-3 at both ends to move in the limiting groove 103c-1. Due to the special direction of the limiting groove 103c-1, that is, the length direction of the groove cavity of the limiting groove 103c-1 is not parallel to the length direction of the groove, and the distance from the end of the groove cavity of the limiting groove 103c-1 to the groove opening gradually increases or decreases, as shown in the drawing, the limiting groove 103c-1 is inclined, when the push block 103b-3 slides from one end to the other end, it will drive the limiting clamping block 103c to slide, so that the two limiting clamping blocks 103c are close to each other or far away from each other, which is suitable for the putting-in and taking-out process of the hanging ears 301 in the placing rack 300.

[0041] The hoisting frame 200 is inserted into the support column 101. It includes a connecting plate 201, a connecting rod 202 disposed on the side wall of the connecting plate 201, and a lifting ring 203 disposed on the other side wall of the connecting plate 201. The number of connecting rods 202 is the same as the number of support columns 101, and they correspond one-to-one. The connecting plate 201 is used to connect the connecting rods 202 together, and the connecting rods 202 are disposed perpendicular to the side wall of the connecting plate 201. Furthermore, the rod body of the plug-in rod 202 is divided into a movable section 202a, a blocking section 202b, a limiting section 202c, and a disengaging section 202d in sequence. The movable section 202a can pass through the opening of the plug-in cavity 101a, so the movable section 202a can freely enter and exit the opening of the plug-in cavity 101a. However, the radial diameter of the blocking section 202b is larger than the opening diameter of the plug-in cavity 101a, so the blocking section 202b cannot pass through the opening. That is, when the blocking section 202b is located at the opening, the hanger 100 can be lifted through the blocking section 202b. The radial diameters of the blocking section 202b, the limiting section 202c, and the disengaging section 202d decrease in sequence.

[0042] Furthermore, the placement rack 300 is hung on the side wall of the hanging plate 102, and includes a hanging ear 301 and a placement rod 302 connected to the side wall of the hanging ear 301. The hanging ear 301 can cooperate with the limiting member 103.

[0043] The hook 301 is U-shaped and is snapped onto the side wall of the mounting plate 102 through the U-shaped opening. It is positioned opposite to the sliding outlet 103a-1 on the side wall of the mounting box 103a. That is, the position of the hook 301 after it is hooked is the gap between the limiting clamp 103c and the side wall of the mounting plate 102. Under normal circumstances, the width of the U-shape of the hook 301 is the same as the width of the mounting plate 102. However, after the hook 301 has been used for a long time, the width of its U-shaped opening will increase, which will cause the hook 301 to loosen after it is hooked.

[0044] The limiting clamp 103c is used to squeeze the side wall of the hanging ear 301. When the limiting clamp 103c is pushed out from the sliding outlet 103a-1, it will squeeze the side wall of the hanging ear 301, which provides support for the hanging ear 301 after it is hung. Even after the hanging ear 301 is worn, it can still have a stable hanging effect.

[0045] In addition to the structure of the mounting bracket 100 mentioned above, refer to the attached document. Figure 3 , 8 9, also includes a support platform 400, which is disposed at the bottom of the hanging frame 100, and includes a support plate 401, a receiving cylinder 402 disposed on the top surface of the support plate 401, and a support column 403 disposed on the top of the support plate 401.

[0046] Specifically, the receiving cylinder 402 is used in cooperation with the support column 101, so the receiving cylinder 402 needs to correspond to the support column 101 one by one, and the receiving cylinder 402 can be inserted into the insertion cavity 101a of the support column 101. The receiving cylinder 402 is vertically fixed on the side wall of the supporting plate 401, and the position of the supporting table 400 is limited by the connection of the supporting column 403.

[0047] Further, a plurality of groups of sliding limiting grooves 402a are formed on the side wall of the cylinder body of the receiving cylinder 402, and a limiting column 402b is movably arranged in each sliding limiting groove 402a. The slot of the sliding limiting groove 402a penetrates the side wall of the cylinder body of the receiving cylinder 402 and is in communication with the outside. The end of the limiting column 402b can extend out of the slot of the sliding limiting groove 402a and can be limited in the clamping groove 101b.

[0048] The radial diameter of the limiting section 202c of the insertion rod 202 is equal to the inner diameter of the receiving cylinder 402, and the side wall of the limiting section 202c can extrude the end of the limiting column 402b. The axial length of the disengagement section 202d of the insertion rod 202 is not less than the axial distribution length of the plurality of groups of sliding limiting grooves 402a.

[0049] Specifically, the sliding limiting groove 402a is in the shape of a capsule, both ends of which are through slots. A plurality of groups of sliding limiting grooves 402a are arranged in a region of the cylinder body of the receiving cylinder 402, and each sliding limiting groove 402a movably limits a limiting column 402b. The limiting column 402b is also in the shape of a capsule, and its axial length is greater than the axial length of the sliding limiting groove 402a. The end of the limiting column 402b can extend out of the slot of the sliding limiting groove 402a. It should be noted that when one end of the limiting column 402b extends out of the slot of the sliding limiting groove 402a, the other end is completely retracted into the sliding limiting groove 402a. After the end of the limiting column 402b facing the outer ring of the receiving cylinder 402 passes through the slot of the sliding limiting groove 402a, it can be inserted into the clamping groove 101b, realizing the combination of the receiving cylinder 402 and the support column 101. During the combination process, the transverse limiting column 402b can avoid wear between the receiving cylinder 402 and the support column 101 in the horizontal direction, and the plurality of groups of limiting columns 402b can form mutual restriction and compensation. Even if wear occurs at an individual limiting column 402b, the other limiting columns 402b can still maintain stable combination effect, that is, it has a greater range of wear tolerance.

[0050] Further, the driving of the limiting column 402b is jointly constrained by the limiting section 202c of the insertion rod 202 and the inner cavity side wall of the support column 101. When the limiting column 402b is in the disengagement section 202d, the support column 101 can be freely pulled out from the outside of the receiving cylinder 402.

[0051] In combination with the accompanying drawings Figures 1 to 9As shown in the middle, before the spraying hanger is used, the installation of the device is carried out, that is, the bottom of the supporting column 403 in the supporting table 400 is connected with the conveying chain of the spraying assembly line, and the supporting cylinder 402 is vertically and upwardly distributed; then the hanging rack 100 is hoisted, and in the hoisting process, the blocking section 202b of the insertion rod 202 is blocked at the opening of the insertion cavity 101a, so that the hanging rack 100 can be hoisted as a whole through the connecting plate 201. The bottom of the insertion cavity 101a of the supporting column 101 is inserted towards the top of the supporting cylinder 402, and with the falling process, the supporting column 101 is first completely sleeved outside the supporting cylinder 402, and then with the insertion of the insertion rod 202, the disengagement section 202d is first separated from the limiting column 402b, and then the limiting section 202c is entered, so that the limiting column 402b is extruded at the end of the limiting column 402b, and the limiting column 402b is moved into the clamping groove 101b, and then the supporting table 400 is completely combined with the hanging rack 100 and the hoisting rack 200.

[0052] Then the placing rack 300 is hung on the side wall of the hanging plate 102 one by one, the stirring rod 103b is first rotated to make the two limiting clamping blocks 103c retract into the installation box 103a, and then the hanging ears 301 are sequentially hung on the corresponding side walls of the hanging plate 102, after the hanging is completed, the stirring rod 103b is stirred again to make the two limiting clamping blocks 103c slide from the installation box 103a and be extruded on the side wall of the hanging ear 301, so that the hanging of the two hanging ears 301 is stable.

[0053] Then the automobile interior workpiece to be sprayed is hung on the placing rod 302. After the preparation process is completed, the spraying hanger with the spraying workpiece needs to be detected by laser as a whole to ensure that the spraying hanger is in the correct position, so that the preset spraying effect is achieved.

[0054] When the spraying hanger needs to be disassembled and maintained, the machine is first stopped, the workpieces to be sprayed are removed, the stirring rod 103b is deflected in sequence to release the extruded and clamped hanging ears 301, the placing rack 300 is sequentially taken down, and the hoisting rack 200 is hoisted out through the hoisting equipment, and the hoisting process can be completed without stopping, and the whole process is simple and fast.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A laser inspection spray hanger for automotive interior parts, characterized by: The utility model relates to a hanging frame (100) which comprises a support column (101), a hanging plate (102) symmetrically arranged on the two side walls of the support column (101), and a plurality of sets of limiting members (103) arranged between the two hanging plates (102). The limiting member (103) comprises a mounting box (103a) connected to the two hanging plates (102), a push rod (103b) hingedly arranged in the mounting box (103a), and a limiting clamp block (103c) symmetrically arranged on the two sides of the push rod (103b) and slidingly arranged in the mounting box (103a). The two end side walls of the mounting box (103a) are provided with sliding outlets (103a-1), and one end of the limiting clamp block (103c) can slide out of the sliding outlet (103a-1). A limiting groove (103b-1) is formed in the middle side wall of the rod body of the push rod (103b), and a movable rod (103b-2) is slidingly arranged in the limiting groove (103b-1), and the two ends of the movable rod (103b-2) are symmetrically provided with push blocks (103b-3). The middle side walls of the opposite sides of the two limiting clamp blocks (103c) are provided with grooves, and limiting grooves (103c-1) are formed in the side walls on the two sides of the groove openings, the movable rod (103b-2) extends into the groove, and the end portion of the push block (103b-3) slides into the limiting groove (103c-1). A lifting frame (200) is inserted into the support column (101) in cooperation, which comprises a connecting plate (201), an insertion rod (202) arranged on the side wall of the connecting plate (201), and a lifting ring (203) arranged on the other side wall of the connecting plate (201). A placing frame (300) is hung on the side wall of the hanging plate (102), which comprises a hanging ear (301) and a placing rod (302) connected to the side wall of the hanging ear (301), and the hanging ear (301) can be in contact with the limiting member (103). The inner cavity of the support column (101) is hollow, and an insertion cavity (101a) is formed, and a clamping groove (101b) is arranged on the cavity side wall of the insertion cavity (101a).

2. The automotive interior part laser inspection paint hanger of claim 1, wherein: The opening of the insertion cavity (101a) has a stop ring (101a-1). The length direction of the groove cavity of the limiting groove (103c-1) is not parallel to the length direction of the groove, and the distance from the end portion of the groove cavity of the limiting groove (103c-1) to the groove opening gradually increases or decreases.

3. The automotive interior part laser inspection paint hanger of claim 2, wherein: The rod body of the insertion rod (202) is divided into an active section (202a), a blocking section (202b), a limiting section (202c), and a separation section (202d) in sequence.

4. Laser detection spray hanger for automotive interior parts according to claim 2 or 3, characterized in that: The active section (202a) can pass through the opening of the insertion cavity (101a), and the radial diameter of the blocking section (202b) is greater than the opening diameter of the insertion cavity (101a). The radial diameters of the blocking section (202b), the limiting section (202c), and the separation section (202d) gradually decrease. ​ 5. The automotive interior laser inspection paint hanger of claim 4, wherein: The hanging lug (301) can be hung on the side wall of the hanging plate (102), and is opposite to the position of the sliding outlet (103a-1) on the side wall of the mounting box (103a); When the limiting clamp block (103c) is pushed out of the sliding outlet (103a-1), the side wall of the hanging lug (301) is extruded.

6. The automotive interior part laser inspection paint hanger of claim 5, wherein: Also comprising, The supporting table (400) is arranged at the bottom of the hanging frame (100), and comprises a supporting plate (401), a supporting cylinder (402) arranged on the top surface of the supporting plate (401), and a supporting column (403) arranged on the top of the supporting plate (401).

7. The automotive interior part laser inspection paint hanger of claim 6, wherein: The supporting cylinder (402) corresponds to the supporting column (101) one-to-one, and can be inserted into the insertion cavity (101a) of the supporting column (101).

8. The automotive interior laser inspection paint hanger of claim 7, wherein: A plurality of groups of sliding limiting grooves (402a) are arranged on the side wall of the supporting cylinder (402), and a limiting column (402b) is movably arranged in the sliding limiting groove (402a); The slot of the sliding limiting groove (402a) penetrates the side wall of the supporting cylinder (402) and is in communication with the outside; the end of the limiting column (402b) can extend out of the slot of the sliding limiting groove (402a) and can be limited in the clamping groove (101b).

9. The automotive interior laser inspection paint hanger of claim 8, wherein: The radial diameter of the limiting section (202c) of the insertion rod (202) is equal to the inner cylinder diameter of the supporting cylinder (402), and the side wall of the limiting section (202c) can extrude the end of the limiting column (402b); The axial length of the disengagement section (202d) of the insertion rod (202) is not less than the axial distribution length of a plurality of groups of sliding limiting grooves (402a).

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