A double-head electrode spot welding device for armored doors

Abstract

The present invention relates to the technical field of spot welding devices, and discloses a double-head electrode spot welding device for armored doors, comprising a base and a driving component installed on the base, a bearing platform and a lifting component are fixedly installed in the middle of the base, the lifting component is provided with two groups, the two groups of lifting components are located on both sides of the bearing platform, a first sliding platform is installed on the lifting component, a second sliding platform is installed on the movable part of the first sliding platform, an electrode spot welding head is vertically installed on the second sliding platform, a moving component is installed on the output end of the driving component, and the moving component is connected to the movable part of the first sliding platform through a limiting component. In the present invention, since the first sliding platform, the second sliding platform, the limiting component and the electrode spot welding head are installed on both sides of the bearing platform, the two installed electrode spot welding heads work synchronously, thereby improving the efficiency of electric welding.

Description

Technical Field

[0001] The invention relates to the technical field of spot welding devices, in particular to a double-head electrode spot welding device for armored doors. Background Art

[0002] The Chinese patent with publication (announcement) number CN212858144U discloses a double-head automatic spot welding machine for armored doors, including a loading platform, a welding machine body and an electric control box. The bottom end of the loading platform is fixed with a support frame, and three groups of reinforcement plates are welded to the front side wall of the support frame. The top ends of the three groups of reinforcement plates are fixed with support plates by bolts, and the top ends of the three support plates are jointly fixed with an X-axis slide plate. A pair of X-axis slide rails are fixed to the upper end surface of the X-axis slide plate, and the pair of X-axis slide rails are arranged in parallel. The upper ends of the pair of X-axis slide rails are slidably mounted with an X-axis moving frame; the rear end of the Y-axis slide plate is fixed with a straight rail through a connecting seat, and a pair of slides are slidably mounted on the straight rails, and the top ends of the pair of slides are both equipped with electric clamps; the utility model can spot weld different positions on the armored door without manual handling and adjustment of the welding position, thereby improving work efficiency, realizing automatic welding, and also helping to improve the accuracy of the welding position. However, the disadvantage is that it is not possible to achieve synchronous electric welding of the two sides of the armored door. Through single-sided double electric welding, the position of the armored door needs to be adjusted again after the single-sided welding is completed, and the welding needs to be performed again, which is a cumbersome operation process. Summary of the Invention

[0003] The object of the present invention is to provide a double-head electrode spot welding device for armored doors to solve the problems raised in the above background technology.

[0004] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The present invention is a double-head electrode spot welding device for armored doors, comprising a base and a drive assembly mounted on the base. The side surface of the base is H-shaped, and an edge body is provided on two opposite sides of the base. The base is connected to a conveyor belt mounting frame via the edge body to achieve splicing of the conveyor belt.

[0006] A bearing platform and a lifting assembly are fixedly installed in the middle of the base, and the lifting assembly is provided with two groups, which are located on both sides of the bearing platform. A first sliding platform is installed on the lifting assembly, and a second sliding platform is installed on the movable part of the first sliding platform. An electrode spot welding head is vertically installed on the second sliding platform. A moving assembly is installed on the output end of the driving assembly, and the moving assembly is connected to the movable part of the first sliding platform through a limit assembly.

[0007] The armored door to be processed is placed on the conveyor belt. During the conveyor belt transportation, the armored door passes the surface of the carrier platform. Since the first sliding platform, the second sliding platform, the limit assembly and the electrode spot welding head are installed on both sides of the carrier platform;

[0008] The driving component drives the limiting component to move along the long slot provided on the bearing platform through the moving component, so that the two sets of limiting components can move closer to or farther away from each other. By changing the distance between the two sets of limiting components, the limiting requirements of armored doors of different widths can be met.

[0009] In addition, the supporting platform includes a flat plate with several ball bearings installed on its surface. When the armored door passes over the surface of the ball bearings, the friction during the movement is reduced. Two sets of long grooves are symmetrically opened on the flat plate, and the installed limit components move along the long grooves.

[0010] Furthermore, the driving assembly includes a motor, a threaded rod and a mounting seat installed on the base, the motor is installed in the middle of the groove formed by the base, the gear box is installed in the middle of the threaded rod, the output end of the motor is transmission-connected to the threaded rod, the end of the threaded rod is installed on the corresponding mounting seat, two threaded seats are cooperatively installed on the threaded rod, the two threaded seats are located on both sides of the gear box, and the rotating threaded rod drives the two threaded seats to move in opposite directions.

[0011] Furthermore, the moving assembly includes a slider and a moving block sleeved on the threaded rod, and the moving block is fixedly mounted on the bottom of the slider.

[0012] Furthermore, the moving assembly also includes a connecting spring, and the moving block and the threaded seat are connected via the connecting spring.

[0013] Furthermore, the lifting assembly includes a fixed plate and a lifting plate installed on the base, the fixed plate and the lifting plate are connected via a lifting rod, and the fixing portion of the first sliding platform is fixed on the lifting plate.

[0014] Furthermore, the first sliding platform includes a fixed limit block installed on the lifting plate, and there are two fixed limit blocks. The two fixed limit blocks are fixed on the lifting plate, and a sliding limit block is installed between the two fixed limit blocks. Baffles are installed at both ends of the sliding limit block, and a top plate is fixedly installed on the sliding limit block, wherein the fixed limit block is a fixed part, and the sliding limit block and the top plate constitute a movable part.

[0015] Furthermore, a slot is provided on one side of the top plate, and the second sliding platform includes a limiting slot and a movable folding plate fixed on the top plate, a screw rod is installed in the limiting slot, a movable seat is installed on the inner side of the movable folding plate, and the movable seat is installed on the screw rod, and a vertically distributed electrode spot welding head is installed on the outer side surface of the movable folding plate, and the electrode spot welding head follows the movable folding plate into the slot.

[0016] Furthermore, the limiting assembly includes a rotating roller and a limiting seat, both ends of the rotating roller are connected to the limiting seats, and the two limiting seats are respectively installed on the fixed limiting block and the sliding block.

[0017] Furthermore, the limit seat includes a fixed block, a waist-shaped hole is provided on the fixed block, a deep groove connected to the waist-shaped hole is provided on the side of the fixed block, a threaded hole connected to the waist-shaped hole is provided at one end of the fixed block, the two fixed blocks are spliced ​​through the side with the deep groove, two clamping blocks are installed in the waist-shaped hole, one of the clamping blocks is connected to one end of the waist-shaped hole through a compression spring, and a stud is movably installed on the side of the other clamping block, and the stud is mounted in the threaded hole, and the shaft of the rotating roller passes through the waist-shaped hole and is installed between the two clamping blocks.

[0018] The present invention has the following beneficial effects:

[0019] 1. The armored door to be processed in the present invention is placed on a conveyor belt. During the conveying process of the conveyor belt, the armored door passes through the surface of the supporting platform. Since the first sliding platform, the second sliding platform, the limit assembly and the electrode spot welding head are installed on both sides of the supporting platform, the two installed electrode spot welding heads work synchronously to improve the efficiency of electric welding.

[0020] 2. The driving assembly of the present invention drives the limiting assembly to move along the long groove provided on the supporting platform through the moving assembly, so that the two groups of limiting assemblies can move closer to or farther away from each other. By changing the spacing between the two groups of limiting assemblies, the limiting requirements of armored doors of different widths can be met.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the local structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the local structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the base and the drive assembly of the present invention;

[0027] Figure 5 This is a schematic structural diagram of the sliding platform of the present invention;

[0028] Figure 6 This is an exploded schematic diagram of the sliding platform of the present invention;

[0029] Figure 7 This is an exploded schematic diagram of the sliding platform of the present invention;

[0030] Figure 8 This is a schematic diagram of the structure of the limit assembly of the present invention;

[0031] Figure 9 This is a partial explosion diagram of the limit assembly of the present invention;

[0032] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0033] In the figure: 1. Base; 101. Body; 2. Driving assembly; 201. Motor; 202. Threaded rod; 203. Mounting seat; 204. Threaded seat; 3. Moving assembly; 301. Slider; 302. Moving block; 303. Slide rail; 4. Carrying platform; 401. Flat plate; 402. Ball bearing; 403. Long slot; 5. Lifting assembly; 501. Fixed plate; 502. Lifting rod; 503. Lifting plate; 6. First sliding platform; 601. Fixed Limit block; 602, sliding limit block; 603, baffle; 604, top plate; 605, notch; 7, second sliding table; 701, limit groove; 702, screw rod; 703, movable folding plate; 704, movable seat; 8, limit assembly; 801, rotating roller; 802, fixed block; 8021, waist-shaped hole; 8022, threaded hole; 8023, deep groove; 803, clamping block; 804, compression spring; 805, stud; 9, electrode spot welding head. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Example 1

[0036] like Figures 1-9 As shown, the present invention is a double-head electrode spot welding device for armored doors, comprising a base 1 and a drive assembly 2 mounted on the base 1. The side surface of the base 1 is H-shaped, and an edge body 101 is provided on two opposite sides of the base 1. The base 1 is connected to the conveyor belt mounting frame through the edge body 101 to achieve splicing of the conveyor belt.

[0037] The drive assembly 2 includes a motor 201, a threaded rod 202, and a mounting seat 203 mounted on the base 1. The motor 201 is mounted in the middle of the groove formed in the base 1, and a gear box is mounted in the middle of the threaded rod 202. The output end of the motor 201 is transmission-connected to the threaded rod 202, and the end of the threaded rod 202 is mounted on the corresponding mounting seat 203. Two threaded seats 204 are mounted on the threaded rod 202. The two threaded seats 204 are located on both sides of the gear box. The rotating threaded rod 202 drives the two threaded seats 204 to move in opposite directions.

[0038] The motor 201 drives the threaded rod 202 to rotate through the gear box. The threaded rod 202 is provided with two sections of external threads.

[0039] If the rotation directions of the two sections of external threads are the same, the rotation directions of the internal threads of the two threaded seats 204 are different, so that when the threaded rod 202 rotates, the two threaded seats 204 move in opposite directions;

[0040] If the rotation directions of the two sections of external threads are opposite, the rotation directions of the internal threads of the two threaded seats 204 are the same, so when the threaded rod 202 rotates, the two threaded seats 204 move in opposite directions;

[0041] A carrying platform 4 and a lifting assembly 5 are fixedly installed in the middle of the base 1. There are two groups of lifting assemblies 5, which are located on both sides of the carrying platform 4. A first sliding platform 6 is installed on the lifting assembly 5, and a second sliding platform 7 is installed on the movable part of the first sliding platform 6. An electrode spot welding head 9 is vertically installed on the second sliding platform 7. A moving assembly 3 is installed on the output end of the driving assembly 2. The moving assembly 3 is connected to the movable part of the first sliding platform 6 through a limit assembly 8.

[0042] The armored door to be processed is placed on the conveyor belt. During the conveyor belt transportation, the armored door passes the surface of the carrier platform 4. Since the first sliding platform 6, the second sliding platform 7, the limit assembly 8 and the electrode spot welding head 9 are installed on both sides of the carrier platform 4;

[0043] The driving assembly 2 drives the limiting assembly 8 to move along the long slot 403 provided on the supporting platform 4 through the moving assembly 3, so that the two sets of limiting assemblies 8 can move closer to or farther away from each other. By changing the spacing between the two sets of limiting assemblies 8, the limiting requirements of armored doors of different widths can be met.

[0044] In addition, the supporting platform 4 includes a flat plate 401, and a plurality of balls 402 are installed on the surface of the flat plate 401. When the armored door passes over the surface of the balls 402, the friction during the movement is reduced. Two groups of long grooves 403 are symmetrically opened on the flat plate 401, and the installed limit assembly 8 moves along the long grooves 403.

[0045] The moving assembly 3 includes a slider 301 and a moving block 302 sleeved on the threaded rod 202. The moving block 302 is fixedly mounted on the bottom of the slider 301.

[0046] The lifting assembly 5 includes a fixed plate 501 and a lifting plate 503 mounted on the base 1. The fixed plate 501 and the lifting plate 503 are connected by a lifting rod 502. The fixing portion of the first sliding platform 6 is fixed on the lifting plate 503.

[0047] When the height of the electrode spot welding head 9 needs to be adjusted, the height of the lifting plate 503 is changed by rising or falling the lifting rod 502, thereby realizing the height adjustment of the first sliding table 6 and the second sliding table 7 installed on the lifting plate 503. Since the electrode spot welding head 9 is installed on the outside of the second sliding table 7, the position of the electrode spot welding head 9 is changed.

[0048] The first sliding platform 6 includes a fixed limit block 601 installed on the lifting plate 503. There are two fixed limit blocks 601, both of which are fixed on the lifting plate 503. A sliding limit block 602 is installed between the two fixed limit blocks 601. Baffles 603 are installed at both ends of the sliding limit block 602. A top plate 604 is fixedly installed on the sliding limit block 602. Among them, the fixed limit block 601 is a fixed part, and the sliding limit block 602 and the top plate 604 constitute a movable part.

[0049] The fixed limit block 601 is an L-shaped structure, and a protrusion is installed on the top of the fixed limit block 601. The protrusion is installed in the limit groove of the sliding limit block 602 to achieve limit installation. The baffle 603 is installed at both ends of the sliding limit block 602 to achieve limit, preventing the sliding limit block 602 from separating from the fixed limit block 601. The length of the fixed limit block 601 is smaller than the length of the sliding limit block 602. The sliding limit block 602 is pushed to achieve the sliding of the sliding limit block 602 along the fixed limit block 601.

[0050] A notch 605 is provided on one side of the top plate 604. The second sliding platform 7 includes a limiting groove 701 and a movable folding plate 703 fixed on the top plate 604. A screw rod 702 is installed in the limiting groove 701. A movable seat 704 is installed on the inner side of the movable folding plate 703. The movable seat 704 is mounted on the screw rod 702. A vertically distributed electrode spot welding head 9 is installed on the outer surface of the movable folding plate 703. The electrode spot welding head 9 follows the movable folding plate 703 into the notch 605.

[0051] The movable seat 704 is mounted on the screw rod 702. The position of the movable seat 704 in the limiting groove 701 is changed by rotating the screw rod 702. At the same time, the movable folding plate 703 moves along with the movable seat 704. Since the electrode spot welding head 9 is mounted on the movable folding plate 703, the moving movable folding plate 703 drives the electrode spot welding head 9 to move.

[0052] This enables the screw rod 702 to be rotated to adjust the positions of the movable folding plate 703 and the electrode spot welding head 9 .

[0053] The limiting assembly 8 includes a rotating roller 801 and a limiting seat. Both ends of the rotating roller 801 are connected to the limiting seats. The two limiting seats are respectively installed on the fixed limiting block 601 and the slider 301;

[0054] The threaded seat 204 and the moving block 302 are connected by bolts, so that the moving block 302 moves along with the threaded seat 204. The moving block 302 is sleeved on the outside of the threaded rod 202 and slides along the threaded rod 202.

[0055] The working motor 201 drives the threaded rod 202 to rotate, and the rotating threaded rod 202 drives the threaded seat 204 to move, so that the moving block 302 and the slider 301 move along with the threaded rod 202;

[0056] Since the slider 301 is connected to the fixed limit block 601 through the limit assembly 8, the fixed limit block 601 moves synchronously with the slider 301 during the process of adjusting the position of the slider 301, and the distance between the electrode spot welding head 9 and the axis of the limit assembly 8 is adjusted by rotating the screw rod 702.

[0057] The limiting seat includes a fixed block 802, which is provided with a waist-shaped hole 8021. A deep groove 8023 communicating with the waist-shaped hole 8021 is provided on the side of the fixed block 802. A threaded hole 8022 communicating with the waist-shaped hole 8021 is provided at one end of the fixed block 802. The two fixed blocks 802 are spliced ​​through the side with the deep groove 8023. Two clamping blocks 803 are installed in the waist-shaped hole 8021, one of which is connected to one end of the waist-shaped hole 8021 by a compression spring 804. A stud 805 is movably installed on the side of the other clamping block 803, and the stud 805 is fitted in the threaded hole 8022. The shaft of the rotating roller 801 passes through the waist-shaped hole 8021 and is installed between the two clamping blocks 803.

[0058] The shaft of the rotating roller 801 is clamped by two clamping blocks 803, and the position of the clamping block 803 inside the waist-shaped hole 8021 is adjusted by rotating the stud 805, thereby changing the position of the connecting end of the rotating roller 801 and realizing the individual adjustment of the position of a single rotating roller 801.

[0059] Example 2

[0060] like Figures 1-9 As shown, the moving assembly 3 further includes a connecting spring, and the moving block 302 and the threaded seat 204 are connected via the connecting spring.

[0061] When welding the inclined side of the armored door, the rotating roller 801 is pushed against the side of the armored door by the connecting spring;

[0062] The movement amount of the moving block 302 is smaller than the compression amount of the connecting spring.

[0063] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A double-head electrode spot welding device for an armored door, comprising a base (1) and a driving assembly (2) mounted on the base (1), A bearing platform (4) and a lifting assembly (5) are fixedly mounted in the middle of the base (1), and the lifting assembly (5) is provided with two groups, and the two groups of lifting assemblies (5) are located on both sides of the bearing platform (4); A first sliding platform (6) is mounted on the lifting assembly (5); A second sliding platform (7) is mounted on the movable portion of the first sliding platform (6), and an electrode spot welding head (9) is vertically mounted on the second sliding platform (7); A moving component (3) is installed on the output end of the driving component (2); The movable component (3) is connected to the movable part of the first sliding platform (6) via a limiter component (8), and is characterized in that: The driving assembly (2) comprises a motor (201), a threaded rod (202) and a mounting seat (203) mounted on the base (1); the motor (201) is mounted in the middle of a groove formed on the base (1); a gear box is mounted in the middle of the threaded rod (202); an output end of the motor (201) is transmission-connected to the threaded rod (202); an end of the threaded rod (202) is mounted on a corresponding mounting seat (203); two threaded seats (204) are mounted on the threaded rod (202); the two threaded seats (204) are located on both sides of the gear box; the rotating threaded rod (202) drives the two threaded seats (204) to move in opposite directions; The moving assembly (3) comprises a sliding block (301) and a moving block (302) sleeved on the threaded rod (202), and the moving block (302) is fixedly mounted on the bottom of the sliding block (301); The lifting assembly (5) comprises a fixed plate (501) and a lifting plate (503) mounted on the base (1); the fixed plate (501) and the lifting plate (503) are connected via a lifting rod (502); and a fixing portion of the first sliding platform (6) is fixed on the lifting plate (503); The first sliding platform (6) comprises a fixed limit block (601) mounted on the lifting plate (503), wherein two fixed limit blocks (601) are provided, and both fixed limit blocks (601) are fixed on the lifting plate (503); The limiting assembly (8) comprises a rotating roller (801) and a limiting seat, and both ends of the rotating roller (801) are connected to the limiting seat; The limiting seat comprises a fixed block (802), the fixed block (802) is provided with a waist-shaped hole (8021), the side of the fixed block (802) is provided with a deep groove (8023) connected to the waist-shaped hole (8021), one end of the fixed block (802) is provided with a threaded hole (8022) connected to the waist-shaped hole (8021), two fixed blocks (802) are spliced ​​through the side provided with the deep groove (8023), two clamping blocks (803) are installed in the waist-shaped hole (8021), one of the clamping blocks (803) is connected to one end of the waist-shaped hole (8021) through a compression spring (804), a stud (805) is movably installed on the side of the other clamping block (803), and the stud (805) is installed in the threaded hole (8022), and the shaft of the rotating roller (801) passes through the waist-shaped hole (8021) and is installed between the two clamping blocks (803); A sliding limit block (602) is installed between the two fixed limit blocks (601), baffles (603) are installed at both ends of the sliding limit block (602), and a top plate (604) is fixedly installed on the sliding limit block (602), wherein the fixed limit block (601) is a fixed part, and the sliding limit block (602) and the top plate (604) constitute a movable part; A notch (605) is provided on one side of the top plate (604); the second sliding platform (7) comprises a limiting groove (701) and a movable folding plate (703) fixed on the top plate (604); a screw rod (702) is installed in the limiting groove (701); a movable seat (704) is installed on the inner side of the movable folding plate (703); the movable seat (704) is mounted on the screw rod (702); and a vertically distributed electrode spot welding head (9) is installed on the outer side of the movable folding plate (703); the electrode spot welding head (9) follows the movable folding plate (703) and enters the notch (605).

2. The double-headed electrode spot welding device for armored doors according to claim 1, characterized in that: The side surface of the base (1) is H-shaped; An edge body (101) is provided on two opposite side surfaces of the base (1), and the base (1) is connected to the conveyor belt mounting frame via the edge body (101).

3. The double-headed electrode spot welding device for armored doors according to claim 1, characterized in that: The moving assembly (3) further comprises a connecting spring; The moving block (302) and the threaded seat (204) are connected via a connecting spring.

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