CN210412974U

CN210412974U - Automatic spot welding machine

Info

Publication number: CN210412974U
Application number: CN201921152343.4U
Authority: CN
Inventors: 刘晓燕; 李良金; 莫桥焕; 叶俊涛
Original assignee: Guangzhou Chuanye Automobile Equipment Co ltd
Current assignee: Guangzhou Chuanye Automobile Equipment Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses an automatic spot welder, concretely relates to welding field, comprises a workbench, the bottom of workstation is connected with the support column, the inboard of support column is provided with the fixed plate, the bottom of fixed plate is connected with the rack, the dust collection box of built-in collection dirt sack is installed at the top of rack, the fixed plate has the fan, the lateral wall of workstation is connected with control switch, and the upper surface of workstation vertically is provided with two parallel arrangement's first slide rail. The utility model is convenient in operation, be convenient for improve the accuracy nature of treating a fixed position, after the welding is accomplished, make things convenient for a withdraw from of welding, degree of automation is high, has saved the manpower, and the convenient smoke and dust granule that produces among the welding process absorbs, and then is convenient for carry out centralized processing with the dust, has reduced the smoke and dust that produces among the welding process and has caused the pollution to the environment on every side.

Description

Automatic spot welding machine

Technical Field

The utility model relates to a welding field, more specifically say, the utility model relates to an automatic spot welder.

Background

The automatic electric welder utilizes the high-temp. electric arc produced by instantaneous short circuit of positive and negative poles to melt the welding material on the welding electrode and the material to be welded, and makes the contacted material be combined together.

Through search, the utility model of patent application publication No. CN 108127232A discloses an automatic electric welding machine with good flexibility, which comprises a base, a welding workbench and an automatic electric welding head, wherein the welding workbench is positioned at the top end of the base, the automatic electric welding head is positioned above the welding workbench, a support column is arranged on the base, a connecting column is arranged at the bottom end of the welding workbench, a bearing is arranged between the connecting column and the support column, and the connecting column is fixedly connected with the bearing, the utility model can increase the flexibility of the welding workbench by connecting the welding workbench with the bearing through the connecting column and driving the bearing to rotate by using a speed reduction motor, thereby driving the welding workbench to rotate, enabling the welding to be more convenient and more comprehensive, and an object to be welded can be placed on a fixed plate by arranging a second chute and a third chute on the diagonal of the fixed plate, then the fixing block slides in the second sliding groove and the third sliding groove to find a proper position to fix the object, so that the fixing effect is good, and the fixing flexibility is good.

However, the automatic electric welding machine with good flexibility provided by the technical scheme still has more defects in actual application, such as more complicated operation, poor accuracy of fixing positions of parts to be welded, inconvenience in quitting the parts after welding, low automation degree, manpower consumption, incapability of absorbing smoke particles generated in the welding process, and easiness in polluting surrounding environment due to smoke generated in the welding process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defect of prior art, the embodiment of the utility model provides an automatic spot welding machine, convenient operation is convenient for improve the accuracy nature of treating a welding fixed position, and after the welding was accomplished, the welding of convenient welding piece withdraws from, and degree of automation is high, has saved the manpower, and the convenient smoke and dust granule that produces among the welding process absorbs, and then is convenient for carry out centralized processing with the dust, has reduced the smoke and dust that produces among the welding process and has caused the pollution to the environment on every side.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic spot welding machine comprises a workbench, wherein a support column is connected to the bottom end of the workbench, a fixed plate is arranged on the inner side of the support column, a placing frame is connected to the bottom end of the fixed plate, a dust collecting box with a built-in dust collecting cloth bag is installed at the top of the placing frame, a fan is arranged on the fixed plate, a control switch is connected to the outer side wall of the workbench, two first sliding rails which are installed in parallel are longitudinally arranged on the upper surface of the workbench, a sliding plate is connected to the top ends of the first sliding rails, two second sliding rails which are installed in parallel are transversely arranged at the edge of the top of the sliding plate, a placing plate is connected to the top of the second sliding rails, a clamping plate is arranged at the bottom of the placing plate corresponding to the outer position of the second sliding rails, a convex block is arranged on the inner wall of the clamping plate, the one end of lead screw is connected with first motor, the bottom that the top of workstation is located first motor vertically is provided with the third slide rail, the back wall of first motor is connected with telescopic hydraulic stem, the top of placing the board is connected with the baffle, the back wall of workstation is connected with the mount, the inside wall transverse connection of mount has the backup pad, one side that the top of backup pad is located the baffle is connected with the supporting shoe, the top of supporting shoe is connected with the location and presss from both sides the mechanism, the vertical stand that is connected with of middle part inner wall of mount, the welding gun head is installed to one side that is close to the location and presss from both sides the mechanism of stand, and one side of stand is connected with the negative pressure induced air housing, the back wall of.

In a preferred embodiment, the bottom end of the fan is connected with the upper surface of the fixed plate through a bolt, the air outlet port of the fan is connected with the upper surface of the fixed plate, and a through hole is formed in the fixed plate.

In a preferred embodiment, two limit blocks are longitudinally arranged at the top of the dust collection box, a sliding groove is arranged at the bottom of the fixing plate corresponding to the outer position of the limit blocks, and the dust collection box is slidably connected with the fixing plate through the sliding groove.

In a preferred embodiment, a first sliding block is arranged at the bottom of the sliding plate corresponding to the inside of the rail groove of the first sliding rail, and the sliding plate is slidably connected with the first sliding rail through the first sliding block inside the rail groove.

In a preferred embodiment, a sliding block is arranged inside a rail groove of the third sliding rail, and a limiting protrusion is arranged at one side, located at the first motor, of the top of the third sliding rail.

In a preferred embodiment, the other end of the screw is connected with a fixed seat, and the fixed seat is provided with a bearing seat.

In a preferred embodiment, the positioning clamp mechanism comprises a fixed shell connected to the top end of the supporting block, a fixed groove is formed in the top of the fixed shell, a rotating pressure rod is connected to the inner side of the fixed groove, a second motor is installed on the outer wall of the fixed groove, and the rotating pressure rod is rotatably connected with the fixed shell through a rotating shaft.

In a preferred embodiment, the negative pressure induced air cover is connected with the outer wall of the upright post through a bolt, and a metal mesh is installed at the edge of the inner wall of the negative pressure induced air cover.

The automatic spot welding machine comprises the following specific use method:

step 1: the welding piece to be welded is placed above the placing plate, the screw rod is rotated by starting the first motor, so that relative rotation occurs between the bottom ball sliding block of the placing plate and the screw rod, and the placing plate can stably slide above the second sliding rail due to the fact that the second sliding rails are transversely arranged on two sides of the bottom of the placing plate.

Step 2: after the baffle plate moving to the top of the placing plate contacts the supporting block, the first motor stops running, the to-be-welded part on the placing plate is located right in front of the welding gun head, and the first motor is driven to slide at the top of the third sliding rail by controlling the contraction of the piston rod of the telescopic hydraulic rod, so that the to-be-welded part gradually moves to the welding gun head.

And step 3: after the piston rod of telescopic hydraulic stem contracts completely, place the area welding piece of placing on the board and move to the below of welding gun head completely, at this moment, the inside second motor operation of control positioning clamp mechanism makes and rotates the anticlockwise upset of depression bar, and then treats the welding piece and push down, accomplishes the fixed of treating the welding piece.

And 4, step 4: and controlling the welding gun head to weld the to-be-welded part, and starting the fan to operate to enable the inside of the negative pressure induced air cover to form negative pressure, so that smoke particles generated in the welding process are absorbed and discharged into a dust collecting cloth bag in the dust collecting box.

And 5: after welding, the welding gun head resets, the second motor is controlled to operate to enable the rotating pressure rod to turn clockwise to reset, then the piston rod of the telescopic hydraulic rod is controlled to push out again, the sliding plate moves towards the front side, and a welding part automatically exits after welding.

The utility model discloses a technological effect and advantage:

1. by arranging the first slide rail, the second slide rail and the third slide rail, when in use, by placing the welding piece above the placing plate and starting the first motor to rotate the screw rod, the placing plate can stably slide above the second sliding rail, when the baffle plate which is moved to the top of the placing plate contacts the supporting block, the first motor stops running, the piston rod of the telescopic hydraulic rod is controlled to contract to drive the first motor to slide on the top of the third slide rail, and then drive the slide and slide to the rear side at the top of first slide rail, move to the below of welding gun head completely when the area welding spare of placing on the board, control positioning clamp mechanism fixes treating the welding spare, and convenient operation has improved the accuracy nature of treating a welding fixed position, and after the welding was accomplished, the convenient welding spare withdraws from, and degree of automation is high, has saved the manpower.

2. The utility model discloses in the use, when treating a welding and carrying out welding process, through the operation that starts the fan, make the inside formation negative pressure of negative pressure induced air cover, the convenient smoke and dust granule that produces among the welding process absorbs, inside the dust collection sack of dust collection box inside side by side, the dust collection box conveniently takes out and places, and then the person of facilitating the use carries out centralized processing with the dust, has reduced the smoke and dust that produces among the welding process and has caused the pollution to the environment on every side.

Drawings

Fig. 1 is a schematic view of the overall structure of the spot welding machine of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged view of a portion B of fig. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of the middle fixing plate of the present invention.

Fig. 5 is a schematic structural view of the dust box of the present invention.

Fig. 6 is a schematic structural view of the middle placement plate of the present invention.

Fig. 7 is a schematic structural view of the middle positioning clip mechanism of the present invention.

The reference signs are: 1 workbench, 2 support columns, 3 fixing plates, 4 placing frames, 5 fans, 6 dust collection boxes, 7 control switches, 8 first slide rails, 9 slide plates, 10 placing plates, 11 second slide rails, 12 first motors, 13 lead screws, 14 third slide rails, 15 telescopic hydraulic rods, 16 fixing frames, 17 supporting blocks, 18 positioning clamp mechanisms, 19 upright posts, 20 welding gun heads, 21 negative pressure induced air hoods, 22 air pipes, 31 sliding chutes, 32 through holes, 61 limiting blocks, 101 clamping plates, 102 convex blocks, 103 ball sliding blocks, 104 baffle plates, 121 sliding blocks, 141 limiting bulges, 161 supporting plates, 181 fixing shells, 182 fixing grooves, 183 rotating pressure rods and 184 second motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an automatic spot welding machine, which comprises a workbench 1, wherein the bottom end of the workbench 1 is connected with a support column 2, the inner side of the support column 2 is provided with a fixed plate 3, the bottom end of the fixed plate 3 is connected with a placing rack 4, the top of the placing rack 4 is provided with a dust collection box 6 with a built-in dust collection cloth bag, the fixed plate 3 is provided with a fan 5, the outer side wall of the workbench 1 is connected with a control switch 7, the upper surface of the workbench 1 is longitudinally provided with two first slide rails 8 which are arranged in parallel, the top end of the first slide rail 8 is connected with a sliding plate 9, the edge of the top part of the sliding plate 9 is transversely provided with two second slide rails 11 which are arranged in parallel, the top part of the second slide rail 11 is connected with a placing plate 10, the bottom part of the placing plate 10 corresponding to the outer position of the second, a ball sliding block 103 is transversely arranged at the center of the bottom of the placing plate 10, a lead screw 13 is transversely connected inside the ball sliding block 103, one end of the lead screw 13 is connected with a first motor 12, a third slide rail 14 is longitudinally arranged at the bottom of the first motor 12 at the top end of the workbench 1, a telescopic hydraulic rod 15 is connected to the rear wall of the first motor 12, a baffle plate 104 is connected to the top end of the placing plate 10, a fixing frame 16 is connected to the rear wall of the workbench 1, a supporting plate 161 is transversely connected to the inner side wall of the fixing frame 16, a supporting block 17 is connected to one side of the baffle plate 104 at the top end of the supporting plate 161, a positioning clamp mechanism 18 is connected to the top end of the supporting block 17, a column 19 is vertically connected to the inner wall of the middle part of the fixing frame 16, a welding gun head 20 is installed on one side of the column 19 close, the rear wall of the negative pressure induced draft cover 21 is connected with an air pipe 22.

According to the automatic spot welding machine shown in fig. 1 and 4, the bottom end of the fan 5 is connected with the upper surface of the fixing plate 3 through a bolt, so that the fan 5 can be conveniently installed and fixed, the air outlet port of the fan 5 is connected with the upper surface of the fixing plate 3, the fixing plate 3 is internally provided with a through hole 32, so that the air outlet of the fan 5 is conveniently communicated with the dust collection box 6, and the smoke particles blown out by the fan 5 can be blown into the dust collection cloth bag in the dust collection box 6.

According to the automatic spot welding machine shown in fig. 1 and fig. 4-5, two limit blocks 61 are longitudinally arranged at the top of the dust collection box 6, a sliding groove 31 is arranged at the bottom of the fixed plate 3 corresponding to the external position of the limit blocks 61, the dust collection box 6 is slidably connected with the fixed plate 3 through the sliding groove 31, the dust collection box 6 is conveniently and stably arranged below the fixed plate 3, and the phenomenon that the dust collection box 6 is deviated due to wind blown by the fan 5 to influence the collection of dust particles by an internal dust collection cloth bag is avoided.

According to the automatic spot welding machine shown in fig. 1-2, the bottom of the sliding plate 9 is provided with a first sliding block corresponding to the inside of the rail groove of the first sliding rail 8, and the sliding plate 9 is connected with the first sliding rail 8 in a sliding manner through the first sliding block inside the rail groove, so that the stability of the sliding plate 9 when sliding on the top of the first sliding rail 8 is improved.

According to the automatic spot welding machine shown in fig. 1-2, a sliding block 121 is arranged inside a rail groove of the third sliding rail 14, and a limiting protrusion 141 is arranged on one side, located at the first motor 12, of the top of the third sliding rail 14, so that the movement of the first motor 12 is limited, and further, the second motor 12 can stably slide back and forth on the top of the third sliding rail 14 by controlling the extension and retraction of a piston rod inside the telescopic hydraulic rod 15.

According to the automatic spot welding machine shown in fig. 1, the other end of the screw 13 is connected with a fixed seat, and the fixed seat is provided with a bearing seat, so that the screw 13 can be stably rotated, and the screw 13 is driven to move the placing plate 10 in the rotating process.

According to the automatic spot welding machine shown in fig. 1 and 7, the positioning clamp mechanism 18 comprises a fixing shell 181 connected to the top end of the supporting block 17, a fixing groove 182 is formed in the top of the fixing shell 181, a rotating pressure rod 183 is connected to the inner side of the fixing groove 182, a second motor 184 is installed on the outer wall of the fixing groove 182, the rotating pressure rod 183 is rotatably connected with the fixing shell 181 through a rotating shaft, the positioning clamp mechanism 18 is convenient to install, and further when the automatic spot welding machine is used, the rotating pressure rod 183 is rotated through controlling the second motor 184, and a workpiece to be welded is compressed and fixed.

According to the automatic spot welding machine shown in fig. 1, the negative pressure induced air cover 21 is connected with the outer wall of the upright post 19 through a bolt, so that the negative pressure induced air cover 21 and the upright post 19 are conveniently installed and fixed, a metal mesh is installed at the edge of the inner wall of the negative pressure induced air cover 21, large granular objects can be conveniently filtered to enter the air pipe 22, and further damage to fan blades inside the fan 5 is reduced.

The specific using method comprises the following steps:

step 1: the welding piece to be welded is placed above the placing plate 10, the lead screw 13 is rotated by starting the first motor 12, so that the bottom ball sliding block 103 of the placing plate 10 and the lead screw 13 rotate relatively, and the placing plate 10 can stably slide above the second sliding rails 11 due to the fact that the second sliding rails 11 are transversely arranged on two sides of the bottom of the placing plate 10.

Step 2: when the baffle plate 104 of the placing plate 10 moving to the top contacts the supporting block 17, the first motor 12 stops operating, and at this time, the to-be-welded piece on the placing plate 10 is located right in front of the welding gun head 20, and the piston rod of the telescopic hydraulic rod 15 is controlled to contract to drive the first motor 12 to slide on the top of the third slide rail 14, so that the to-be-welded piece gradually moves to the welding gun head 20.

And step 3: after the piston rod of the telescopic hydraulic rod 15 is completely retracted, the welding part with the welding part placed on the placing plate 10 is completely moved to the lower part of the welding gun head 20, at this time, the second motor 184 in the positioning clamp mechanism 18 is controlled to operate, the rotating pressing rod 183 is turned over anticlockwise, the welding part to be welded is pressed downwards, and the welding part to be welded is fixed.

And 4, step 4: when the welding gun head 20 is controlled to weld a workpiece to be welded, the fan 5 is started to operate, so that negative pressure is formed in the negative pressure induced air cover 21, smoke particles generated in the welding process are absorbed, and the smoke particles are discharged into the dust collecting cloth bag in the dust collecting box 6.

And 5: after welding is finished, the welding gun head resets, the second motor 184 is controlled to operate to enable the rotary pressure rod 183 to turn clockwise and reset, then the piston rod of the telescopic hydraulic rod 15 is controlled to push out again, the sliding plate 9 is further enabled to move towards the front side, and the welding part automatically exits.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic spot welding machine, includes workstation (1), its characterized in that: the bottom end of the workbench (1) is connected with a supporting column (2), a fixed plate (3) is arranged on the inner side of the supporting column (2), the bottom end of the fixed plate (3) is connected with a placing frame (4), a dust collection box (6) with a built-in dust collection cloth bag is installed at the top of the placing frame (4), a fan (5) is installed on the fixed plate (3), a control switch (7) is connected to the outer side wall of the workbench (1), two first sliding rails (8) which are installed in parallel are longitudinally arranged on the upper surface of the workbench (1), a sliding plate (9) is connected to the top end of each first sliding rail (8), two second sliding rails (11) which are installed in parallel are transversely arranged at the edge of the top of the sliding plate (9), a placing plate (10) is connected to the top of each second sliding rail (11), and a clamping plate (101) is arranged at the position, corresponding to, the inner wall of the clamping plate (101) is provided with a convex block (102), the central position of the bottom of the placing plate (10) is transversely provided with a ball sliding block (103), the inside of the ball sliding block (103) is transversely connected with a lead screw (13), one end of the lead screw (13) is connected with a first motor (12), the top end of the workbench (1) positioned at the bottom of the first motor (12) is longitudinally provided with a third slide rail (14), the rear wall of the first motor (12) is connected with a telescopic hydraulic rod (15), the top end of the placing plate (10) is connected with a baffle plate (104), the rear wall of the workbench (1) is connected with a fixed frame (16), the inner side wall of the fixed frame (16) is transversely connected with a supporting plate (161), one side of the top end of the supporting plate (161) positioned at the baffle plate (104) is connected with a supporting block (17), and the top end of, the utility model discloses a welding gun, including mount (16), locating clamp mechanism (18), welding gun head (20), and one side of stand (19) is connected with negative pressure induced air cover (21), the rear wall of negative pressure induced air cover (21) is connected with trachea (22), the middle part inner wall of mount (16) is vertical to be connected with stand (19), one side of stand (19) that is close to locating clamp mechanism (18) is installed welding gun head (20).

2. An automatic spot welder according to claim 1, characterized in that: the fan is characterized in that the bottom end of the fan (5) is connected with the upper surface of the fixing plate (3) through a bolt, an air outlet port of the fan (5) is connected to the upper surface of the fixing plate (3), and a through hole (32) is formed in the fixing plate (3).

3. An automatic spot welder according to claim 1, characterized in that: two limiting blocks (61) are longitudinally arranged at the top of the dust collection box (6), a sliding groove (31) is arranged at the bottom of the fixing plate (3) corresponding to the outer position of the limiting blocks (61), and the dust collection box (6) is in sliding connection with the fixing plate (3) through the sliding groove (31).

4. An automatic spot welder according to claim 1, characterized in that: the bottom of the sliding plate (9) is provided with a first sliding block corresponding to the inside of the rail groove of the first sliding rail (8), and the sliding plate (9) is connected with the first sliding rail (8) in a sliding mode through the first sliding block inside the rail groove.

5. An automatic spot welder according to claim 1, characterized in that: a sliding block (121) is arranged inside a rail groove of the third sliding rail (14), and a limiting protrusion (141) is arranged on one side, located on the first motor (12), of the top of the third sliding rail (14).

6. An automatic spot welder according to claim 1, characterized in that: the other end of the lead screw (13) is connected with a fixed seat, and the fixed seat is provided with a bearing seat.

7. An automatic spot welder according to claim 1, characterized in that: the locating clip mechanism (18) comprises a fixed shell (181) connected to the top end of the supporting block (17), a fixing groove (182) is formed in the top of the fixed shell (181), a rotating pressing rod (183) is connected to the inner side of the fixing groove (182), a second motor (184) is installed on the outer wall of the fixing groove (182), and the rotating pressing rod (183) is rotatably connected with the fixed shell (181) through a rotating shaft.

8. An automatic spot welder according to claim 1, characterized in that: the negative pressure induced air cover (21) is connected with the outer wall of the upright post (19) through bolts, and a metal mesh is installed at the edge of the inner wall of the negative pressure induced air cover (21).