Feeding and discharging device for spot welding of automobile parts

Abstract

The invention discloses a loading and unloading device for spot welding of automobile parts, and relates to the technical field of automobile parts, the loading and unloading device comprises a transposition mechanism, a pair of positioning mechanisms and an unloading mechanism, the positioning mechanism is provided with a positioning sleeve and a positioning block, the positioning block is provided with a positioning column and a positioning ring, and the positioning sleeve is sleeved with the positioning column. The positioning devices are respectively used for positioning the metal sheet and the metal ring; the transposition mechanism is arranged below the positioning mechanisms and comprises a first sliding plate, a second sliding plate and a motor, the spatial positions of the first sliding plate and the second sliding plate are exchanged through the motor, and then the spatial positions of the pair of positioning mechanisms are automatically exchanged. And the unloading mechanism is arranged behind the transposition mechanism and comprises a hydraulic cylinder and an unloading strip, and the metal ring and the metal sheet which are welded together are automatically unloaded from the corresponding positioning blocks through the hydraulic cylinder. The welding device has the advantages of being reasonable in scheme, ingenious in structure and convenient to use, and the welding efficiency of the filter threaded cover plate can be improved to a certain extent.

Description

Technical Field

[0001] The invention relates to the technical field of automobile parts, and in particular to a loading and unloading device for spot welding of automobile parts. Background Art

[0002] Filter refers to an accessory that filters impurities or gases through filter paper. According to different filtering functions, it can be divided into: oil filter, fuel filter, air filter, air conditioning filter, etc. The oil filter is located in the engine lubrication system.

[0003] The existing spot welding device for the threaded cover plate on the filter usually sets a spot welding station in actual use. Before spot welding, it is necessary to manually place the metal ring to be spot welded on the positioning block, then place the metal sheet on the metal ring, and then perform the spot welding operation of the metal ring and the metal sheet through the welding electrode, and finally take away the spot welded threaded cover plate. The above-mentioned spot welding operation of the threaded cover plate results in a lot of time spent on welding a single threaded cover plate, which in turn leads to a very low overall welding efficiency, affecting the economic benefits of related production enterprises.

[0004] In addition, the spot welding machine will also produce a small amount of smoke when operating. If welders stay in a working environment with welding smoke for a long time, it will have an adverse effect on their physical and mental health. Summary of the invention

[0005] The object of the present invention is to provide a loading and unloading device for spot welding of automobile parts to solve the above-mentioned defects caused by the prior art.

[0006] A loading and unloading device for spot welding of automobile parts, comprising a transposition mechanism, a positioning mechanism and a unloading mechanism, wherein:

[0007] The positioning mechanism is provided with a pair and includes a positioning sleeve and a positioning block, and the positioning block is provided with a positioning column and a positioning ring, and is used to position the metal sheet and the metal ring respectively;

[0008] The transposition mechanism is arranged below the positioning mechanism and comprises a slide plate 1, a slide plate 2 and a motor, and the spatial positions of the slide plate 1 and the slide plate 2 are transposed by the motor, thereby realizing automatic transposition of the spatial positions of the pair of positioning mechanisms;

[0009] The unloading mechanism is arranged at the rear of the transposition mechanism and comprises a hydraulic cylinder and an unloading bar, and the welded metal ring and metal sheet are automatically unloaded from the corresponding positioning block through the hydraulic cylinder.

[0010] Preferably, the positioning block is slidably connected to the inner side of the positioning sleeve, and a compression spring is provided between the two, a circular avoidance groove is provided on the upper side of the positioning block, and positioning columns and positioning rings are respectively provided on the inner and outer sides of the avoidance groove, and the side screws of the positioning block are connected to a conductive wire.

[0011] Preferably, the shifting mechanism also includes a bottom mounting plate, an inner supporting frame and an outer supporting frame, the inner supporting frame is provided with a pair of and symmetrically installed on the upper side of the bottom mounting plate, the upper side of the inner supporting frame is parallelly connected with a guide rail 1, and a slider 1 is slidably connected to the guide rail 1, the slider 1 is horizontally connected between the sliders 1 on both sides, a linkage plate is parallelly provided directly above the slider 1, and a plurality of guide columns are evenly connected to the lower side of the linkage plate, the guide columns are slidably connected to the slider 1 through guide sleeves, a linkage frame is centrally connected to the lower side of the linkage plate, and a linkage column is inserted at the lower end of the linkage frame, a "V"-shaped guide strip is centrally connected to the upper side of the bottom mounting plate, and a "V"-shaped guide groove is provided on the guide strip, the linkage column is slidably connected in the guide groove, the The outer support frame is provided with a pair of and is symmetrically installed on the upper side of the bottom mounting plate. The upper side of the outer support frame is parallelly connected with a guide rail 2, and a slider 2 is slidably connected on the guide rail 2. The slider 2 is horizontally connected between the sliders 2 on both sides. The positioning sleeves in the two positioning mechanisms are respectively installed on the upper sides of the linkage plate and the slider 2. The side of the outer support frame is rotatably connected with two pairs of driven wheels. The motor is provided with a pair and is symmetrically distributed on the left and right. The motors on the same side are installed on the rear side of the outer support frame through a fixed plate. The output end key of the motor is connected with a driving wheel, and a transmission belt is connected between the driving wheel and the driven wheel on the same side. The lower part of the transmission belt is connected to the slider 1 through a connecting strip 1, and the upper part of the transmission belt is connected to the slider 2 through a connecting strip 2.

[0012] Preferably, the hydraulic cylinder is arranged vertically upward and installed on the bottom mounting plate through a "C"-shaped fixing strip, the end of the piston rod of the hydraulic cylinder is connected to an articulated seat 1, and an "L"-shaped articulated strip 1 is hinged on the articulated seat 1, an articulated seat 2 is installed on the upper side of the fixing strip, and a "|"-shaped articulated strip 2 is hinged on the articulated seat 2, the articulated strip 1 is hinged to the articulated strip 2, and the side of the articulated strip 1 is connected to a "Y"-shaped unloading strip.

[0013] Preferably, a circle of smoking holes 1 is provided on the side of the positioning sleeve, and one of the smoking holes 1 is externally connected to a smoking pipe, and a circle of smoking holes 2 is provided on the bottom of the avoidance groove.

[0014] Preferably, a pair of light-transmitting holes are symmetrically provided on the unloading bar, and photoelectric sensors are provided directly below the light-transmitting holes. The photoelectric sensors are vertically arranged upward and connected to the unloading bar through connecting pieces.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. The metal sheet can be positioned by the positioning column on the positioning block, and the metal ring can be positioned by the positioning ring on the positioning block. The compression spring can play a buffering role during spot welding. The current can be conducted to the positioning block through the conductive wire, and then conducted to the metal ring and the metal sheet by the positioning block.

[0017] 2. The motor can drive the slide plate one to move along the guide rail one through the belt transmission, thereby driving the linkage plate and the positioning mechanism thereon to move along the guide groove on the guide strip in a V-shaped trajectory. At the same time, the motor can drive the slide plate two to move along the guide rail two through the belt transmission, thereby driving the positioning mechanism on the slide plate two to move in a linear trajectory.

[0018] 3. The piston rod of the hydraulic cylinder extends and drives the unloading bar to flip upward and backward 90 degrees, thereby automatically removing the threaded cover plate on the corresponding positioning block. After that, the piston rod of the hydraulic cylinder contracts and drives the unloading bar to flip downward and forward 90 degrees, thereby restoring the unloading bar to its initial position and waiting for another positioning block to move over with the metal ring and metal sheet to be welded. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0020] Figure 2 A schematic structural diagram of the transposition mechanism of the present invention from a first viewing angle.

[0021] Figure 3 A schematic structural diagram of the transposition mechanism of the present invention from a second viewing angle.

[0022] Figure 4 It is a structural schematic diagram of the positioning mechanism in the present invention from the first viewing angle.

[0023] Figure 5 It is a structural schematic diagram of the positioning mechanism in the present invention from a second viewing angle.

[0024] Figure 6 It is a structural schematic diagram of the unloading mechanism in the present invention.

[0025] Figure 7 It is a structural schematic diagram of the filter screw cover plate in the present invention.

[0026] in:

[0027] 10-transposition mechanism; 101-bottom mounting plate; 102-inner support frame; 103-guide rail 1; 104-slider 1; 105-slide plate 1; 106-linkage plate; 107-guide column; 108-guide sleeve; 109-linkage frame; 110-linkage column; 111-guide bar; 111a-guide groove; 112-outer support frame; 113-guide rail 2; 114-slider 2; 115-slide plate 2; 116-driven wheel; 117-motor; 118-fixed plate; 119-driving wheel; 120-transmission belt; 121-connecting bar 1; 122-connecting bar 2;

[0028] 20-positioning mechanism; 201-positioning sleeve; 201a-smoking hole 1; 202-positioning block; 202a-avoidance groove; 202b-smoking hole 2; 2021-positioning column; 2022-positioning ring; 203-compression spring; 204-smoking tube; 205-conductive wire;

[0029] 30-removal mechanism; 301-fixing bar; 302-hydraulic cylinder; 303-hinge seat 1; 304-hinge bar 1; 305-hinge seat 2; 306-hinge bar 2; 307-removal bar; 307a-light-transmitting hole; 308-photoelectric sensor; 309-connecting piece;

[0030] 40-metal ring;

[0031] 50-Metal sheet;

[0032] 60-Threaded cover plate. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] like Figures 1 to 7 As shown, a loading and unloading device for spot welding of automobile parts includes a position change mechanism 10, a positioning mechanism 20 and a unloading mechanism 30, wherein:

[0035] The positioning mechanism 20 is provided with a pair and includes a positioning sleeve 201 and a positioning block 202. The positioning block 202 is provided with a positioning column 2021 and a positioning ring 2022, and is used to position the metal sheet 50 and the metal ring 40 respectively.

[0036] The transposition mechanism 10 is disposed below the positioning mechanism 20 and includes a slide plate 105, a slide plate 115 and a motor 117. The motor 117 is used to transpose the spatial positions of the slide plate 105 and the slide plate 115, thereby realizing automatic transposition of the spatial positions of the pair of positioning mechanisms 20.

[0037] The unloading mechanism 30 is arranged at the rear of the shifting mechanism 10 and comprises a hydraulic cylinder 302 and an unloading bar 307 . The hydraulic cylinder 302 is used to automatically unload the welded metal ring 40 and the metal sheet 50 from the corresponding positioning block 202 .

[0038] In this embodiment, the positioning block 202 is slidably connected to the inner side of the positioning sleeve 201, and a compression spring 203 is provided between the two. A circular avoidance groove 202a is provided on the upper side of the positioning block 202, and a positioning column 2021 and a positioning ring 2022 are respectively provided on the inner and outer sides of the avoidance groove 202a. The side screws of the positioning block 202 are connected with a conductive wire 205. The metal sheet 50 can be positioned by the positioning column 2021 on the positioning block 202, and the metal ring 40 can be positioned by the positioning ring 2022 on the positioning block 202. The compression spring 203 can play a buffering role during spot welding. The current can be conducted to the positioning block 202 through the conductive wire 205, and then conducted to the metal ring 40 and the metal sheet 50 by the positioning block 202.

[0039] In this embodiment, the shifting mechanism 10 further includes a bottom mounting plate 101, an inner support frame 102 and an outer support frame 112. The inner support frame 102 is provided with a pair of and is symmetrically installed on the upper side of the bottom mounting plate 101. The upper side of the inner support frame 102 is parallelly connected to a guide rail 103, and a slider 104 is slidably connected to the guide rail 103. The slider 105 is horizontally connected between the sliders 104 on both sides. A linkage plate 106 is parallelly provided just above the slider 105 and is slidably connected to the slider 104 on both sides. A plurality of guide posts 107 are evenly connected to the lower side of the movable plate 106, and the guide posts 107 are slidably connected to the slide plate 105 through the guide sleeve 108. A linkage frame 109 is centrally connected to the lower side of the linkage plate 106, and a linkage post 110 is inserted at the lower end of the linkage frame 109. A "V"-shaped guide bar 111 is centrally connected to the upper side of the bottom mounting plate 101, and a "V"-shaped guide groove 111a is provided on the guide bar 111, and the linkage post 110 is slidably connected in the guide groove 111a. The outer support frame 112 is provided with a pair of guide rails 113 which are symmetrically installed on the upper side of the bottom mounting plate 101. The upper side of the outer support frame 112 is parallelly connected with the second guide rail 113, and the second slider 114 is slidably connected to the second guide rail 113. The second slider 115 is horizontally connected between the second sliders 114 on both sides. The positioning sleeves 201 in the two positioning mechanisms 20 are respectively installed on the upper side of the linkage plate 106 and the second slider 115. The side of the outer support frame 112 is rotatably connected with two pairs of driven wheels 116. A pair of motors 117 are provided and are symmetrically distributed on the left and right sides. The motors 117 on the same side are installed on the rear side of the outer support frame 112 through the fixing plate 118. The output end of the motor 117 is keyed to the driving wheel 119. A transmission belt 120 is connected between the driving wheel 119 and the driven wheel 116 on the same side. The lower part of the transmission belt 120 is connected to the slide plate 105 through the connecting strip 121, and the upper part of the transmission belt 120 is connected to the slide plate 115 through the connecting strip 2 122. The motor 117 can drive the slide plate 105 to move along the guide rail 103 through the belt transmission, and then drive the linkage plate 106 and the positioning mechanism 20 thereon to move along the guide groove 111a on the guide bar 111 in a V-shaped track. At the same time, the motor 117 can drive the slide plate 115 to move along the guide rail 113 through the belt transmission, and then drive the positioning mechanism 20 on the slide plate 115 to move in a linear track.

[0040] In this embodiment, the hydraulic cylinder 302 is arranged vertically upward and installed on the bottom plate 101 through a "C"-shaped fixing bar 301. The end of the piston rod of the hydraulic cylinder 302 is connected to an articulated seat 1 303, and an "L"-shaped articulated bar 1 304 is hinged on the articulated seat 1 303. An articulated seat 2 305 is installed on the upper side of the fixing bar 301, and a "|"-shaped articulated bar 2 306 is hinged on the articulated seat 2 305. The articulated bar 1 304 is hinged to the articulated bar 2 306, and the side of the articulated bar 1 304 is connected to a "Y"-shaped unloading bar 307. The piston rod of the hydraulic cylinder 302 is extended and drives the unloading bar 307 to flip upward and backward 90 degrees, thereby automatically removing the threaded cover plate 60 on the corresponding positioning block 202. After that, the piston rod of the hydraulic cylinder 302 is retracted and drives the unloading bar 307 to flip downward and forward 90 degrees, thereby restoring the unloading bar 307 to its initial position and waiting for another positioning block 202 to move over with the metal ring 40 and the metal sheet 50 to be welded.

[0041] In this embodiment, a circle of smoking holes 201a is provided on the side of the positioning sleeve 201, and one of the smoking holes 201a is externally connected to a smoking pipe 204, and a circle of smoking holes 202b is provided at the bottom of the avoidance groove 202a. Part of the smoke generated during spot welding is sucked into the positioning sleeve 201 through the smoking holes 201a, and the other part of the smoke is sucked into the positioning sleeve 201 through the smoking holes 202b, and then discharged through the smoking pipe 204.

[0042] In this embodiment, a pair of light-transmitting holes 307a are symmetrically arranged on the removal bar 307, and a photoelectric sensor 308 is arranged directly below the light-transmitting holes 307a. The photoelectric sensor 308 is arranged vertically upward and connected to the removal bar 307 through a connecting piece 309. Before welding, the photoelectric sensors 308 on the left and right sides can determine whether there are metal rings 40 and metal sheets 50 to be welded above them; after welding, the photoelectric sensors 308 on the left and right sides can determine whether there are threaded cover plates 60 to be removed above them.

[0043] Working principle of this loading and unloading device for spot welding of automotive parts:

[0044] S1: placing the metal ring 40 and the metal sheet 50 on the positioning block 202 on the linkage plate 106 in sequence;

[0045] S2: The motors 117 on both sides drive the slide plate 105 to move backward along the guide rail 103 through the belt transmission, thereby driving the linkage plate 106 and the positioning mechanism 20 thereon to move along the guide groove 111a on the guide bar 111 in a V-shaped track until the positioning block 202 on the positioning mechanism 20 is clamped at the unloading bar 307. At the same time, the motors 117 on both sides drive the slide plate 2 115 to move forward along the guide rail 2 113 through the belt transmission, thereby driving the positioning mechanism 20 on the slide plate 2 115 to move in a linear track;

[0046] S3: The metal ring 40 and the metal sheet 50 that have reached the designated rear position are welded into a threaded cover plate 60 by a spot welding device, and then the piston rod of the hydraulic cylinder 302 is extended to drive the unloading bar 307 to flip upward and backward 90 degrees, thereby automatically unloading the threaded cover plate 60 on the corresponding positioning block 202, and then the piston rod of the hydraulic cylinder 302 is retracted to drive the unloading bar 307 to flip downward and forward 90 degrees, thereby restoring the unloading bar 307 to its initial position;

[0047] S4: placing the metal ring 40 and the metal sheet 50 sequentially on the positioning block 202 located on the second slide plate 115;

[0048] S5: The motors 117 on both sides drive the slide plate 105 to move forward along the guide rail 103 through the belt transmission, thereby driving the linkage plate 106 and the positioning mechanism 20 thereon to move along the guide groove 111a on the guide bar 111 in a V-shaped trajectory until the positioning block 202 on the positioning mechanism 20 returns to the initial position. At the same time, the motors 117 on both sides drive the slide plate 115 to move backward along the guide rail 113 through the belt transmission, thereby driving the positioning mechanism 20 on the slide plate 115 to move in a linear trajectory until the positioning block 202 on the positioning mechanism 20 is clamped at the unloading bar 307;

[0049] S6: The metal ring 40 and the metal sheet 50 that have reached the designated rear position are welded into a threaded cover plate 60 by a spot welding device, and then the piston rod of the hydraulic cylinder 302 is extended to drive the unloading bar 307 to flip upward and backward 90 degrees, thereby automatically unloading the threaded cover plate 60 on the corresponding positioning block 202, and then the piston rod of the hydraulic cylinder 302 is retracted to drive the unloading bar 307 to flip downward and forward 90 degrees, thereby restoring the unloading bar 307 to its initial position;

[0050] S7: Repeat S1 to S6.

[0051] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A loading and unloading device for spot welding of automobile parts, characterized in that: It comprises a transposition mechanism (10), a positioning mechanism (20) and a discharging mechanism (30), wherein: The positioning mechanism (20) is provided with a pair of positioning sleeves (201) and positioning blocks (202); the positioning blocks (202) are provided with positioning columns (2021) and positioning rings (2022), and are used to position the metal sheet (50) and the metal ring (40) respectively; The position-changing mechanism (10) is arranged below the positioning mechanism (20) and comprises a first slide plate (105), a second slide plate (115) and a motor (117). The motor (117) is used to exchange the spatial positions of the first slide plate (105) and the second slide plate (115), thereby realizing automatic exchange of the spatial positions of the pair of positioning mechanisms (20); The unloading mechanism (30) is arranged at the rear of the shifting mechanism (10) and comprises a hydraulic cylinder (302) and an unloading bar (307). The hydraulic cylinder (302) automatically unloads the welded metal ring (40) and the metal sheet (50) from the corresponding positioning block (202).

2. A loading and unloading device for spot welding of automobile parts according to claim 1, characterized in that: The positioning block (202) is slidably connected to the inner side of the positioning sleeve (201), and a compression spring (203) is provided between the two. A circular avoidance groove (202a) is provided on the upper side of the positioning block (202), and positioning columns (2021) and positioning rings (2022) are provided on the inner and outer sides of the avoidance groove (202a), respectively. The side screws of the positioning block (202) are connected to conductive wires (205).

3. A loading and unloading device for spot welding of automobile parts according to claim 2, characterized in that: The shifting mechanism (10) further comprises a bottom mounting plate (101), an inner support frame (102) and an outer support frame (112); the inner support frame (102) is provided with a pair of and is symmetrically installed on the upper side of the bottom mounting plate (101); the upper side of the inner support frame (102) is parallelly connected to a guide rail (103), and a slider (104) is slidably connected to the guide rail (103); the slider (105) is horizontally connected between the sliders (104) on both sides; a linkage plate (106) is parallelly provided just above the slider (105), and the linkage plate (106) is A plurality of guide posts (107) are evenly connected to the lower side of the linkage plate (106), and the guide posts (107) are slidably connected to the slide plate (105) through guide sleeves (108). A linkage frame (109) is centrally connected to the lower side of the linkage plate (106), and a linkage post (110) is inserted at the lower end of the linkage frame (109). A "V"-shaped guide bar (111) is centrally connected to the upper side of the bottom mounting plate (101), and a "V"-shaped guide groove (111a) is provided on the guide bar (111), and the linkage post (110) is slidably connected in the guide groove (111a). The support frame (112) is provided with a pair of guide rails (113) which are symmetrically installed on the upper side of the bottom mounting plate (101). The upper side of the outer support frame (112) is parallelly connected to the second guide rail (113), and a second slider (114) is slidably connected to the second guide rail (113). The second slider (115) is horizontally connected between the second sliders (114) on both sides. The positioning sleeves (201) in the two positioning mechanisms (20) are respectively installed on the upper side of the linkage plate (106) and the second slider (115). The side of the outer support frame (112) is rotatably connected to two pairs of driven wheels (116). The motor (117) is provided with a pair of motors (117) which are symmetrically distributed on the left and right sides. The motors (117) located on the same side are installed on the rear side of the outer support frame (112) through a fixing plate (118). The output end of the motor (117) is key-connected with a driving wheel (119). A transmission belt (120) is connected between the driving wheel (119) and the driven wheel (116) located on the same side. The lower part of the transmission belt (120) is connected to the slide plate one (105) through a connecting strip one (121), and the upper part of the transmission belt (120) is connected to the slide plate two (115) through a connecting strip two (122).

4. The loading and unloading device for spot welding of automobile parts according to claim 2, characterized in that: The hydraulic cylinder (302) is arranged vertically upward and is installed on the bottom plate (101) through a "C"-shaped fixing bar (301). The end of the piston rod of the hydraulic cylinder (302) is connected to an articulated seat 1 (303), and an "L"-shaped articulated bar 1 (304) is hinged on the articulated seat 1 (303). An articulated seat 2 (305) is installed on the upper side of the fixing bar (301), and a "|"-shaped articulated bar 2 (306) is hinged on the articulated seat 2 (305). The articulated bar 1 (304) is hinged to the articulated bar 2 (306), and the side of the articulated bar 1 (304) is connected to a "Y"-shaped unloading bar (307).

5. The loading and unloading device for spot welding of automobile parts according to claim 1, characterized in that: A circle of smoking holes (201a) is provided on the side of the positioning sleeve (201), and one of the smoking holes (201a) is externally connected to a smoking pipe (204). A circle of smoking holes (202b) is provided on the bottom of the avoidance groove (202a).

6. The loading and unloading device for spot welding of automobile parts according to claim 4, characterized in that: A pair of light-transmitting holes (307a) are symmetrically arranged on the unloading bar (307), and a photoelectric sensor (308) is arranged directly below the light-transmitting holes (307a). The photoelectric sensor (308) is arranged vertically upward and connected to the unloading bar (307) through a connecting piece (309).

Images