Hardware surface treatment device

Abstract

The invention discloses a hardware surface treatment device, which relates to the technical field of hardware spraying, and comprises a support frame, wherein a loading area, a spraying area, a drying area and a unloading area are evenly spaced in a circumferential shape on the outer side of the support frame, a transposition unit is installed on the support frame, four drive units are arranged on the transposition unit, and the four drive units are evenly spaced in a circumferential shape, a first spacing adjustment unit is installed on each drive unit, and a plurality of second spacing adjustment units are installed on each first spacing adjustment unit, and the plurality of second spacing adjustment units are evenly spaced in a circumferential shape; the first spacing adjustment unit comprises a first supporting mechanism and a first spacing adjustment mechanism, and the second spacing adjustment unit comprises a second supporting mechanism and a second spacing adjustment mechanism. The invention realizes continuous loading, spraying, drying and unloading of hardware, and improves the overall work efficiency. The invention can perform surface spraying on hardware of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of hardware spraying, and in particular to a hardware surface treatment device. Background Art

[0002] After the hardware is produced, the surface of the hardware needs to be processed to improve the performance of the hardware surface. When processing the surface of the hardware, spraying is a very important step. By spraying the surface of the hardware, a layer of protective film can be added to the surface of the hardware, which can prevent the hardware from being corroded and improve the appearance of the hardware.

[0003] In the prior art, when spraying hardware, the hardware is fixed on a support frame, sprayed using a spraying device, and then transferred to a drying device for drying after spraying. After drying, the material is unloaded. This spraying method requires multiple transfers, which not only increases the workload but also reduces the overall work efficiency. In addition, the existing spraying device needs to replace different support frames when spraying hardware of different sizes, thereby reducing the efficiency of spraying the hardware. Summary of the invention

[0004] In view of the above technical problems, the present invention discloses a hardware surface treatment device, comprising a support frame, the outer side of the support frame is provided with a loading area, a spraying area, a drying area, and a unloading area in a circular shape and evenly spaced apart, a transposition unit is installed on the support frame, four drive units are arranged on the transposition unit, the four drive units are evenly spaced apart in a circular shape, each of the drive units is installed with a first spacing adjustment unit, each of the first spacing adjustment units is installed with a plurality of second spacing adjustment units, and the plurality of second spacing adjustment units are evenly spaced apart in a circular shape; the first spacing adjustment unit comprises a first supporting mechanism and a first spacing adjustment mechanism, the first supporting mechanism is installed on the driving unit, the first spacing adjustment unit is installed on the first supporting mechanism, the second spacing adjustment unit comprises a second supporting mechanism and a second spacing adjustment mechanism, the second supporting mechanism is installed on the first spacing adjustment mechanism, and the second spacing mechanism is installed on the second supporting mechanism.

[0005] Furthermore, the transposition unit includes a transposition support box, a slider 1, a motor 1, a motor 2 and a rotating wheel 1. The transposition support box is rotatably mounted on the support frame, the motor 1 is fixedly mounted on the support frame, the transposition support box is coaxially fixedly connected to the output shaft of the motor 1, the motor 2 is fixedly mounted in the transposition support box, the rotating wheel is coaxially rotatably mounted in the transposition support box, the slider 1 is slidably mounted on the transposition support box, four sliders 1 are provided, and the four sliders 1 are evenly spaced in a circle on the transposition support box, and a sliding pin is fixedly mounted on the lower end of each slider 1, and the sliding pin is slidably connected to the rotating wheel 1.

[0006] Furthermore, the transposition support box is provided with four slide grooves evenly spaced apart in a circular shape, the rotating wheel one is provided with four arc grooves evenly spaced apart in a circular shape, the slide grooves correspond to the arc grooves one by one, the slider one is connected to the corresponding slide grooves, the sliding pin is slidably connected to the corresponding arc grooves, and the driving unit is installed on the slider one.

[0007] Furthermore, the driving unit includes a support seat 1, a motor 3 and a belt, the support seat 1 is fixedly mounted on a slider 1, the motor 3 is fixedly mounted on the lower end of the support seat 1, a pulley 1 is fixedly mounted on the output shaft of the motor 3, a pulley 2 is fixedly mounted on the first supporting mechanism, the pulley 1 and the pulley 2 are connected by a belt, and the first supporting mechanism is mounted on the support seat 1.

[0008] Furthermore, the first supporting mechanism includes a supporting shaft, the supporting shaft is rotatably mounted on a supporting seat one, a limiting head one is fixedly mounted on one end of the supporting shaft close to the supporting seat one, a track cylinder is fixedly mounted on one end of the supporting shaft away from the supporting seat one, a limiting head two is fixedly mounted on one end of the track cylinder away from the supporting shaft, and a plurality of track grooves one are evenly spaced apart in a circular shape on the track cylinder.

[0009] Further, the first spacing adjustment mechanism includes a sliding sleeve, an articulated head 1, an articulated head 2, a connecting frame 1, a connecting frame 2, a sliding head and an electric cylinder 1, the sliding sleeve is slidably installed on the track cylinder, the sliding head is slidably connected to a track groove 1 on the track cylinder, the sliding sleeve is fixedly connected to the sliding head, the electric cylinder 1 is fixedly installed in the support shaft, the sliding head is fixedly connected to the piston rod of the electric cylinder 1, the articulated head 1 is fixedly installed on the sliding sleeve, the articulated head 2 is fixedly installed on an end of the support shaft away from the limit head 1, one end of the connecting frame 1 is hinged to the articulated head 2, the other end of the connecting frame 1 is connected to the second supporting mechanism, one end of the connecting frame 2 is hinged to the articulated head 1, the other end of the connecting frame 2 is connected to the second supporting mechanism, the middle part of the connecting frame 2 is hinged to the middle part of the connecting frame 1, the connecting frame 1 is provided with an avoidance opening 1 for avoiding interference, and the connecting frame 2 is provided with an avoidance opening 2 for avoiding interference.

[0010] Furthermore, the hinged head 1, hinged head 2, connecting frame 1, and connecting frame 2 are each provided in plurality and are evenly spaced and distributed in a circular shape.

[0011] Furthermore, the second supporting mechanism includes a supporting seat 2, a sliding rail and a sliding block 2, a sliding rail is fixedly installed below the supporting seat 2, a rail groove 2 is provided on the sliding rail, and the sliding block 2 is slidably installed in the rail groove 2, an end of the connecting frame 2 away from the sliding sleeve is hinged to the sliding rail, and an end of the connecting frame 1 away from the supporting shaft is hinged to the sliding block 2.

[0012] Furthermore, the second spacing adjustment mechanism includes a connecting rod 1, a connecting rod 2, a connecting rod 3, a connecting rod 4, an electric cylinder 2 and a slider 3. Each of the second spacing adjustment mechanisms is provided with an odd number of sliders 3, and the number of sliders 3 is greater than or equal to 3. The sliders 3 are installed in the support seat 2, the sliders 3 in the middle position of the support seat 2 are fixedly installed in the support seat 2, and the sliders 3 on both sides of the support seat 2 are slidably installed in the sliders 3. The electric cylinder 2 is fixedly installed at one end of the support seat 2, and the piston rod of the electric cylinder 2 is fixedly connected to an adjacent slider 3. The top of each of the sliders 3 is fixedly installed. A mounting plate is fixedly installed, and connecting rods 1 and 2 are hinged at the bottom of the mounting plates at both ends of the support seat 2, and connecting rods 3 and 4 are hinged at the bottom of the remaining mounting plates. The connecting rods 3 and 4 under the same mounting plate are hinged at the midpoint, and the ends of the connecting rods 3 and 4 under the adjacent mounting plates are hinged. The connecting rod 1 is hinged to the end of the adjacent connecting rod 3, and the connecting rod 2 is hinged to the end of the adjacent connecting rod 4. A parallelogram is formed between the connecting rods 1, 2, 3, and 4, and an elastic clamp is fixedly installed on the top of each mounting plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention can adjust the angle and position of the four first spacing adjustment units and the second spacing adjustment units through the transposition unit, thereby realizing continuous loading, spraying, drying and unloading, so that the overall work continuity is strong, thereby improving the work efficiency of surface spraying of hardware parts, and solving the problem that each process needs to be adjusted separately when spraying the surface of hardware parts in the prior art; (2) The present invention can adjust the spacing between two adjacent mounting plates through the mutual cooperation of the first supporting mechanism and the first spacing adjustment mechanism to adapt to hardware parts with different width sizes; (3) The present invention can adjust the spacing between two adjacent mounting plates through the mutual cooperation of the second supporting mechanism and the second spacing adjustment mechanism to adapt to hardware parts with different length sizes; (4) The present invention drives the first spacing adjustment unit and the second spacing adjustment unit to rotate through the driving unit during spraying and drying, so that the hardware parts can be sprayed and dried without dead angles during spraying and drying, thereby improving the effect of spraying and drying the hardware parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a top view of the present invention.

[0016] Figure 3 It is a front view of the present invention.

[0017] Figure 4 It is a schematic diagram of the structure of the support frame and the transposition unit of the present invention.

[0018] Figure 5 It is a top view of the support frame and the transposition unit of the present invention.

[0019] Figure 6 For the present invention Figure 5 Cross-sectional view along the AA direction.

[0020] Figure 7 It is a schematic diagram of the local structure of the transposition unit of the present invention.

[0021] Figure 8 It is a schematic structural diagram of the driving unit, the first spacing adjustment unit and the second spacing adjustment unit of the present invention.

[0022] Fig. 9 It is a schematic diagram of the structure of the first spacing adjustment unit and the second spacing adjustment unit of the present invention.

[0023] Fig.10 It is a partial structural schematic diagram of the first spacing adjustment unit and the second spacing adjustment unit of the present invention.

[0024] Fig.11 It is a top view of the first spacing adjustment unit and the second spacing adjustment unit of the present invention.

[0025] Fig.12 For the present invention Fig.11 Cross-sectional view along direction BB.

[0026] Fig.13 FIG. 4 is a top view of the second spacing adjustment unit of the present invention.

[0027] Fig.14 For the present invention Fig.13 Cross-sectional view along CC direction.

[0028] Fig.15 It is a schematic diagram of the partial structure of the second spacing adjustment unit of the present invention.

[0029] Figure numbers: 101-support frame; 201-transposition support box; 202-slider 1; 203-motor 1; 204-motor 2; 205-rotor 1; 301-support seat 1; 302-motor 3; 303-pulley 1; 304-belt; 305-pulley 2; 401-support shaft; 402-limiting head 1; 403-sliding sleeve; 404-hinge head 1; 405-hinge Connector 2; 406-connecting frame 1; 407-connecting frame 2; 408-track tube; 409-limiting head 2; 410-sliding head; 411-electric cylinder 1; 501-support seat 2; 502-slide rail; 503-sliding block 2; 504-mounting plate; 505-connecting rod 1; 506-connecting rod 2; 507-connecting rod 3; 508-connecting rod 4; 509-electric cylinder 2; 510-sliding block 3. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0031] Example: Figure 1-Figure 15A hardware surface treatment device shown in the figure includes a support frame 101, and the outer side of the support frame 101 is evenly spaced in a circular shape with a loading area, a spraying area, a drying area, and a unloading area. A transposition unit is installed on the support frame 101, and four drive units are arranged on the transposition unit. The four drive units are evenly spaced in a circular shape. A first spacing adjustment unit is installed on each drive unit, and each first spacing adjustment unit is installed on a plurality of second spacing adjustment units, and the plurality of second spacing adjustment units are evenly spaced in a circular shape; the first spacing adjustment unit includes a first supporting mechanism and a first spacing adjustment mechanism, the first supporting mechanism is installed on the driving unit, and the first spacing adjustment unit is installed on the first supporting mechanism, the second spacing adjustment unit includes a second supporting mechanism and a second spacing adjustment mechanism, the second supporting mechanism is installed on the first spacing adjustment mechanism, and the second spacing mechanism is installed on the second supporting mechanism.

[0032] The transposition unit includes a transposition support box 201, a slider 202, a motor 203, a motor 204 and a rotating wheel 205. The transposition support box 201 is rotatably installed on the support frame 101, the motor 203 is fixedly installed on the support frame 101, the transposition support box 201 is coaxially fixedly connected with the output shaft of the motor 203, the motor 204 is fixedly installed in the transposition support box 201, the rotating wheel 205 is coaxially rotatably installed in the transposition support box 201, the slider 202 is slidably installed on the transposition support box 201, four sliders 202 are arranged, and the four sliders 202 are evenly spaced in a circle on the transposition support box 201, and a sliding pin is fixedly installed at the lower end of each slider 202, and the sliding pin is slidably connected to the rotating wheel 205.

[0033] Four slide grooves are evenly spaced apart in a circular shape on the transposition support box 201, and four arc grooves are evenly spaced apart in a circular shape on the rotating wheel 205. The slide grooves correspond to the arc grooves one by one, the slider 202 is connected to the corresponding slide grooves, the sliding pin is slidably connected to the corresponding arc grooves, and the driving unit is installed on the slider 202.

[0034] The driving unit includes a support seat 1 301, a motor 302 and a belt 304. The support seat 1 301 is fixedly mounted on the slider 1 202. The motor 302 is fixedly mounted on the lower end of the support seat 1 301. A pulley 1 303 is fixedly mounted on the output shaft of the motor 302. A pulley 2 305 is fixedly mounted on the first supporting mechanism. The pulley 1 303 and the pulley 2 305 are connected by a belt 304. The first supporting mechanism is mounted on the support seat 1 301.

[0035] The first supporting mechanism includes a supporting shaft 401, which is rotatably mounted on a supporting seat 301, a limiting head 402 is fixedly mounted on one end of the supporting shaft 401 close to the supporting seat 301, a track cylinder 408 is fixedly mounted on one end of the supporting shaft 401 away from the supporting seat 301, a limiting head 2 409 is fixedly mounted on one end of the track cylinder 408 away from the supporting shaft 401, and a plurality of track grooves 1 are evenly spaced apart in a circular shape on the track cylinder 408.

[0036] The first spacing adjustment mechanism includes a sleeve 403, a hinge head 404, a hinge head 405, a connecting frame 1 406, a connecting frame 2 407, a sliding head 410 and an electric cylinder 1 411. The sleeve 403 is slidably mounted on the track cylinder 408, the sliding head 410 is slidably connected to a track groove 1 on the track cylinder 408, the sleeve 403 is fixedly connected to the sliding head 410, the electric cylinder 1 411 is fixedly mounted in the support shaft 401, the sliding head 410 is fixedly connected to the piston rod of the electric cylinder 1 411, the hinge head 404 is fixedly mounted on the sleeve 403, and the hinge head 410 is fixedly connected to the piston rod of the electric cylinder 1 411. Joint 2 405 is fixedly mounted on one end of the support shaft 401 away from the limit head 1 402, one end of the connecting frame 1 406 is hinged to the hinge joint 2 405, the other end of the connecting frame 1 406 is connected to the second supporting mechanism, one end of the connecting frame 2 407 is hinged to the hinge joint 1 404, the other end of the connecting frame 2 407 is connected to the second supporting mechanism, the middle part of the connecting frame 2 407 is hinged to the middle part of the connecting frame 1 406, an avoidance opening 1 is opened on the connecting frame 1 406 to avoid interference, and an avoidance opening 2 is opened on the connecting frame 2 407 to avoid interference.

[0037] There are multiple hinged joints 404, hinged joints 405, connecting frames 1 406, and connecting frames 2 407, which are evenly spaced and distributed in a circular shape.

[0038] The second supporting mechanism includes a supporting seat 2 501, a sliding rail 502 and a sliding block 2 503. The sliding rail 502 is fixedly installed below the supporting seat 2 501. The sliding rail 502 is provided with a track groove 2. The sliding block 2 503 is slidably installed in the track groove 2. The end of the connecting frame 2 407 away from the sliding sleeve 403 is hinged to the sliding rail 502, and the end of the connecting frame 1 406 away from the supporting shaft 401 is hinged to the sliding block 2 503.

[0039] The second spacing adjustment mechanism includes a connecting rod 1 505, a connecting rod 2 506, a connecting rod 3 507, a connecting rod 4 508, an electric cylinder 2 509 and a slider 3 510. An odd number of sliders 3 510 are provided in each second spacing adjustment mechanism, and the number of sliders 3 510 is greater than or equal to 3. The sliders 3 510 are installed in the support seat 2 501. The sliders 3 510 in the middle position of the support seat 2 501 are fixedly installed in the support seat 2 501. The sliders 3 510 on both sides of the support seat 2 501 are slidably installed in the sliders 3 510. The electric cylinder 2 509 is fixedly installed at one end of the support seat 2 501. The piston rod of the electric cylinder 2 509 is fixedly connected to an adjacent slider 3 510. There is a fixedly installed one above each slider 3 510. The mounting plate 504, the mounting plates 504 at both ends of the support seat 2 501 are hinged with connecting rod 1 505 and connecting rod 2 506 at the bottom, and the remaining mounting plates 504 are hinged with connecting rod 3 507 and connecting rod 4 508 at the bottom, the connecting rod 3 507 and connecting rod 4 508 at the bottom of the same mounting plate 504 are hinged at the midpoint, the ends of the connecting rod 3 507 and connecting rod 4 508 at the bottom of adjacent mounting plates 504 are hinged, the connecting rod 1 505 is hinged to the end of the adjacent connecting rod 3 507, the connecting rod 2 506 is hinged to the end of the adjacent connecting rod 4 508, a parallelogram is formed among the connecting rod 1 505, the connecting rod 2 506, the connecting rod 3 507 and the connecting rod 4 508, and an elastic clamp is fixedly installed on the top of each mounting plate 504.

[0040] When the transposition unit is working: the output shaft of motor 1 203 drives the transposition unit to rotate through the transposition support box 201, and then drives the first spacing adjustment unit and the second spacing adjustment unit to rotate through the driving unit, and the four first spacing adjustment units and the second spacing adjustment units are rotated to the loading area, spraying area, drying area, and unloading area respectively. The output shaft of motor 204 drives the rotating wheel 1 205 to rotate, and the arc groove on the rotating wheel 1 205 drives the slider 1 202 to slide in the slide groove 1 on the transposition support box 201 through the sliding pin. When the slider 1 202 moves, it drives the corresponding first spacing adjustment unit and the second spacing adjustment unit to move through the driving unit, so that each first spacing adjustment unit and the second spacing adjustment unit are moved to the corresponding area, so that the angle and position of the four first spacing adjustment units and the second spacing adjustment units can be adjusted.

[0041] When the driving unit is working: the output shaft of the motor three 302 drives the pulley one 303 to rotate, the pulley one 303 drives the pulley two 305 to rotate through the belt 304, and the pulley two 305 drives the first spacing adjustment unit and the second spacing adjustment unit to rotate through the support shaft 401.

[0042] When the first supporting mechanism and the first spacing adjustment mechanism are working, and the second supporting mechanism and the second spacing adjustment mechanism are in operation: when it is necessary to adjust the spacing from the support seat 2 501 to the center of the support shaft 401, the piston rod of the electric cylinder 1 411 drives the sliding head 410 to move, and the sliding head 410 drives the sliding sleeve 403 to move. When the sliding sleeve 403 moves, it drives the connecting frame 2 407 to rotate through the hinge head 1 404, and the connecting frame 2 407 drives the support seat 2 501 to move through the slide rail 502. When the support seat 2 501 moves, the connecting frame 1 406 rotates, and the connecting frame 1 406 drives the sliding block 2 503 to slide in the track groove 2 on the slide rail 502, thereby adjusting the spacing between the support seat 2 501 and the support shaft 401. By adjusting the spacing between multiple support seats 2 501 and the support shaft 401, the spacing between multiple support seats 2 501 becomes larger or smaller to adapt to hardware with different width sizes.

[0043] When it is necessary to adjust the spacing between two adjacent mounting plates 504, the piston rod of electric cylinder 2 509 drives a connected mounting plate 504 to move. Since the middle mounting plate 504 is in a fixed state, the connected mounting plates 504 are moved under the action of the parallelogram structure formed by connecting rod 1 505, connecting rod 2 506, connecting rod 3 507, and connecting rod 4 508, thereby adjusting the spacing between two adjacent mounting plates 504 to accommodate hardware with different lengths.

[0044] The working principle of the present invention is as follows: according to the size of the hardware to be sprayed, the size between two adjacent mounting plates 504 or between adjacent support seats 501 is adjusted, and interference occurs when the hardware is placed on the elastic clamps of the mounting plate 504. After the adjustment is completed, the hardware to be sprayed is fixed on the mounting plate 504 in the loading area by the elastic clamps. Through the operation of the transposition unit, the hardware is rotated to the spraying area for spraying. After the spraying is completed, the transposition unit is used to rotate the hardware to the drying area for drying. After the drying is completed, the transposition unit is used to rotate the hardware to the unloading area for unloading. When spraying and drying are performed, the first spacing adjustment unit and the second spacing adjustment unit are driven to rotate by the driving unit, so that the hardware can be sprayed and dried without dead angles during spraying and drying, thereby improving the effect of spraying and drying the hardware.

[0045] When the mounting plate 504 in one of the second spacing adjustment units is rotated to the spraying area, the adjacent second spacing adjustment unit is rotated to the loading area for loading, and so on. When the mounting plates 504 in the four second spacing adjustment units are fixed with hardware by elastic clamps, continuous loading, spraying, drying and unloading are realized, so that the continuity of the overall work is strong, thereby improving the work efficiency of surface spraying of hardware, and solving the problem in the prior art that each process needs to be adjusted separately when spraying the surface of hardware.

Claims

1. A hardware surface treatment device, comprising a support frame (101), wherein a loading area, a spraying area, a drying area, and a unloading area are evenly spaced in a circular shape on the outer side of the support frame (101), characterized in that: The support frame (101) is provided with a transposition unit, the transposition unit is provided with four drive units, the four drive units are evenly spaced in a circumferential shape, each of the drive units is provided with a first spacing adjustment unit, each of the first spacing adjustment units is provided with a plurality of second spacing adjustment units, the plurality of second spacing adjustment units are evenly spaced in a circumferential shape; the first spacing adjustment unit comprises a first support mechanism and a first spacing adjustment mechanism, the first support mechanism is installed on the drive unit, the first spacing adjustment unit is installed on the first support mechanism, the second spacing adjustment unit comprises a second support mechanism and a second spacing adjustment mechanism, the second support mechanism is installed on the first spacing adjustment mechanism, and the second spacing adjustment mechanism is installed on the second support mechanism; The transposition unit comprises a transposition support box (201), a slider 1 (202), a motor 1 (203), a motor 2 (204) and a rotating wheel 1 (205); the transposition support box (201) is rotatably mounted on the support frame (101); the motor 1 (203) is fixedly mounted on the support frame (101); the transposition support box (201) is coaxially fixedly connected to an output shaft of the motor 1 (203); the motor 2 (204) is fixedly mounted on the transposition support In the support box (201), the rotating wheel 1 (205) is coaxially rotatably mounted in the transposition support box (201), the sliding block 1 (202) is slidably mounted on the transposition support box (201), four sliding blocks 1 (202) are provided, and the four sliding blocks 1 (202) are evenly spaced and distributed on the transposition support box (201) in a circular shape, and a sliding pin is fixedly mounted on the lower end of each sliding block 1 (202), and the sliding pin is slidably connected to the rotating wheel 1 (205); The driving unit comprises a support seat 1 (301), a motor 3 (302) and a belt (304); the support seat 1 (301) is fixedly mounted on a slider 1 (202); the motor 3 (302) is fixedly mounted at the lower end of the support seat 1 (301); a pulley 1 (303) is fixedly mounted on the output shaft of the motor 3 (302); a pulley 2 (305) is fixedly mounted on the first supporting mechanism; the pulley 1 (303) and the pulley 2 (305) are connected via a belt (304); and the first supporting mechanism is mounted on the support seat 1 (301); The first support mechanism comprises a support shaft (401), the support shaft (401) being rotatably mounted on a support seat one (301), a limiting head one (402) being fixedly mounted on one end of the support shaft (401) close to the support seat one (301), a track cylinder (408) being fixedly mounted on one end of the support shaft (401) away from the support seat one (301), a limiting head two (409) being fixedly mounted on one end of the track cylinder (408) away from the support shaft (401), and a plurality of track grooves one being evenly spaced apart in a circular shape on the track cylinder (408); The first spacing adjustment mechanism comprises a sliding sleeve (403), an articulated head 1 (404), an articulated head 2 (405), a connecting frame 1 (406), a connecting frame 2 (407), a sliding head (410) and an electric cylinder 1 (411); the sliding sleeve (403) is slidably mounted on a track cylinder (408); the sliding head (410) is slidably connected to a track groove 1 on the track cylinder (408); the sliding sleeve (403) is fixedly connected to the sliding head (410); the electric cylinder 1 (411) is fixedly mounted in a support shaft (401); the sliding head (410) is fixedly connected to a piston rod of the electric cylinder 1 (411); the articulated head 1 (404) is fixedly mounted on the sliding sleeve (40 3), the hinged joint 2 (405) is fixedly mounted on one end of the support shaft (401) away from the limit head 1 (402), one end of the connecting frame 1 (406) is hinged to the hinged joint 2 (405), the other end of the connecting frame 1 (406) is connected to the second supporting mechanism, one end of the connecting frame 2 (407) is hinged to the hinged joint 1 (404), the other end of the connecting frame 2 (407) is connected to the second supporting mechanism, the middle part of the connecting frame 2 (407) is hinged to the middle part of the connecting frame 1 (406), the connecting frame 1 (406) is provided with an avoidance opening 1 for avoiding interference, and the connecting frame 2 (407) is provided with an avoidance opening 2 for avoiding interference; The second supporting mechanism comprises a second supporting seat (501), a slide rail (502) and a second sliding block (503); the slide rail (502) is fixedly installed below the second supporting seat (501); the slide rail (502) is provided with a second track groove; the second sliding block (503) is slidably installed in the second track groove; the end of the second connecting frame (407) away from the sliding sleeve (403) is hinged to the slide rail (502); the end of the first connecting frame (406) away from the supporting shaft (401) is hinged to the second sliding block (503); The second spacing adjustment mechanism comprises a connecting rod 1 (505), a connecting rod 2 (506), a connecting rod 3 (507), a connecting rod 4 (508), an electric cylinder 2 (509) and a slider 3 (510). Each of the second spacing adjustment mechanisms is provided with an odd number of sliders 3 (510), and the number of the sliders 3 (510) is greater than or equal to 3. The sliders 3 (510) are installed in the support seat 2 (501). The sliders 3 (510) located in the middle position of the support seat 2 (501) are fixedly installed in the support seat 2 (501). The sliders 3 (510) located on both sides of the support seat 2 (501) are slidably installed in the sliders 3 (510). The electric cylinder 2 (509) is fixedly installed at one end of the support seat 2 (501). The piston rod of the electric cylinder 2 (509) is fixedly connected to an adjacent slider 3 (510). A mounting bracket is fixedly installed above each of the sliders 3 (510). The mounting plates (504) at both ends of the support seat 2 (501) are hinged with a first connecting rod (505) and a second connecting rod (506) at the bottom, and the remaining mounting plates (504) are hinged with a third connecting rod (507) and a fourth connecting rod (508) at the bottom. The third connecting rod (507) and the fourth connecting rod (508) at the bottom of the same mounting plate (504) are hinged at the midpoint, and the third connecting rod (507) and the fourth connecting rod (508) at the bottom of the adjacent mounting plates (504) are hinged at the midpoint. The ends of the connecting rod (507) and the connecting rod four (508) are hinged, the connecting rod one (505) is hinged to the end of the adjacent connecting rod three (507), the connecting rod two (506) is hinged to the end of the adjacent connecting rod four (508), and a parallelogram is formed between the connecting rod one (505), the connecting rod two (506), the connecting rod three (507), and the connecting rod four (508), and an elastic clamp is fixedly installed on the top of each of the mounting plates (504).

2. A hardware surface treatment device as claimed in claim 1, characterized in that: The transposition support box (201) is provided with four slide grooves evenly spaced apart in a circular shape, the rotating wheel (205) is provided with four arc grooves evenly spaced apart in a circular shape, the slide grooves correspond to the arc grooves one by one, the slider (202) is slidably connected to the corresponding slide grooves, the sliding pin is slidably connected to the corresponding arc grooves, and the driving unit is mounted on the slider (202).

3. A hardware surface treatment device as claimed in claim 2, characterized in that: The hinged joint 1 (404), hinged joint 2 (405), connecting frame 1 (406), and connecting frame 2 (407) are all provided in plurality and are evenly spaced and distributed in a circular shape.

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