Automatic welding device for moving contact assembly
Technical Field
The invention relates to the technical field of temperature control switch welding, in particular to an automatic welding device for a moving contact assembly.
Background
At present, a movable contact consists of a contact piece and a contact point welded on the contact piece, the traditional movable contact welding processing is carried out manually, the contact piece is firstly placed on a tool, two ends of the contact piece are respectively coated with soldering paste, then the contact point is placed at the position coated with the soldering paste, finally equipment is started for welding, whether a finished product meets the quality inspection requirement or not is checked manually, and good products are placed in a receiving frame to wait for being carried away.
The processing mode has the following defects:
1. Manual processing is limited in work efficiency;
2. the contacts are placed manually, so that deviation is easily generated between the contacts and the standard size, and the yield is reduced;
3. the finished product is inspected manually, so that the omission is easy to occur, and poor products are mixed in the finished product.
Therefore, an automatic welding device for the moving contact assembly is developed to solve the defects.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic welding device for a moving contact assembly, which has the advantages of realizing automatic product transplanting through multiple 90-degree rotations, clamping and welding in six directions in space and the like.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a moving contact assembly automatic welder, includes semi-manufactured goods material loading transplanting mechanism, a bimetallic strip support feed mechanism, a welding mechanism, an image detection mechanism, a magazine transplanting mechanism and a mount table, the middle part position department of mount table is equipped with a decollator carousel, image detection mechanism includes a six robots, mount table length direction's both ends department is equipped with respectively semi-manufactured goods material loading transplanting mechanism with welding mechanism, mount table width direction's both ends department is equipped with respectively bimetallic strip support feed mechanism with image detection mechanism, semi-manufactured goods material loading transplanting mechanism bimetallic strip support feed mechanism the welding mechanism with image detection mechanism regards as the center and evenly arranges according to anticlockwise, the mount table is close to welding mechanism's one end is equipped with the magazine transplanting mechanism, six robots set up semi-manufactured goods material loading mechanism with image detection mechanism between the mount table on, the magazine transplanting mechanism with mounting table's bottom department is connected, semi-manufactured goods material loading transplanting mechanism with the bimetallic strip support feed mechanism passes through behind the bimetallic strip support feed mechanism passes through the rotating machinery to the rotary table carries out the welding to the finished product detector carousel again and takes the finished product conveyer belt to the welding mechanism. The device conveys welding pieces to a welding mechanism for welding through rotation of the divider turntable.
Preferably, the welding mechanism comprises a downward moving cylinder, a proportional valve, a forward pushing cylinder, two electrode clamping cylinders, a precise clamping jaw, two cooling waterways and a rotating disc clamp, wherein the rotating disc clamp and the forward pushing cylinder are arranged on the length direction of the mounting table through a support, the two electrode clamping cylinders are arranged on the width direction of the mounting table, the downward moving cylinder is arranged at the top end of the welding mechanism, the forward pushing cylinder, the electrode clamping cylinders, the rotating disc clamp and the electrode clamping cylinders are arranged in a clockwise direction by taking the downward moving cylinder as a center, the precise clamping jaw is arranged at the bottom end of the downward moving cylinder, the rotating disc clamp is arranged at the lower end of the downward moving cylinder and is pressed with the divider rotating disc, the cooling waterways are arranged between the two electrode clamping cylinders and are arranged on two sides of the precise approaching electrode clamping cylinders, and the proportional valve is arranged on the mounting table between the forward pushing cylinder and the electrode clamping cylinders through a support. The precision clamping jaw realizes the precision clamping and welding of the welding assembly.
Preferably, a clamp unlocking cylinder is arranged at the lower end of the turntable clamp, and the clamp unlocking cylinder is connected with the mounting table. After the clamp unlocking cylinder is unlocked, the turntable clamp is loosened, and the divider turntable can rotate.
Preferably, the feeding mechanism of the bimetallic strip support comprises a first X-Z moving module, a first rotary clamping cylinder, a material dividing rotating mechanism, a material blocking cylinder and a vibrating disc, wherein the first X-Z moving module is arranged at the top end of the feeding mechanism of the bimetallic strip support along the width direction of the mounting table, the first rotary clamping cylinder is arranged on the first X-Z moving module, the vibrating disc is arranged at one side of the length direction of the mounting table, the material blocking cylinder is in butt joint with the vibrating disc, the material blocking cylinder is arranged on the mounting table, and one end of the material blocking cylinder away from the vibrating disc is provided with the material dividing rotating mechanism.
Preferably, the rotation included angle of the material distributing rotating mechanism is 90 degrees, and the material distributing rotating mechanism rotates the clamped bimetallic strip support from a horizontal position to a vertical position.
Preferably, the semi-finished product feeding and transplanting mechanism comprises a second X-Z moving module, a second rotary clamping cylinder, a product overturning table and two semi-finished product taking clamping claws, wherein the bottom end of the second X-Z moving module is provided with the semi-finished product taking clamping claws, the product overturning table is arranged on the mounting table through a support, the product overturning table is parallel to the second X-Z moving module, and the second rotary clamping cylinder is arranged at one end of the second X-Z moving module, which is close to the rotating disc of the divider.
Preferably, the rotation angle of the product overturning table in the vertical plane is 90 degrees, and the second rotary clamping cylinder rotates the overturned semi-finished product in the horizontal plane by 90 degrees and then transmits the overturned semi-finished product to the turntable clamp.
Preferably, the image detection mechanism further comprises a CCD camera, an annular light source and a backlight source which are sequentially arranged along the length direction of the mounting table, the backlight source is close to the six-axis robot, the six-axis robot clamps the welded finished product between the annular light source and the backlight source, and the image detection is performed after the welded finished product is sensed by the photoelectric sensor.
Preferably, the material box transplanting mechanism comprises a rotary air cylinder blanking port and a plurality of material boxes, wherein the rotary air cylinder blanking port is arranged on the mounting table between the annular light source and the backlight source, the lower side of the rotary air cylinder blanking port is provided with the belt, and one end of the belt, which is far away from the rotary air cylinder blanking port, is provided with the material boxes.
Preferably, a shaping cylinder is arranged on one side of the divider turntable, which is close to the feeding mechanism of the bimetallic strip support, and the shaping cylinder is connected with the mounting table.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the semi-finished product feeding and transplanting mechanism realizes automatic transfer and feeding and rotates to the turntable clamp for 2 times by 90 degrees;
2. the bimetallic strip support feeding mechanism automatically feeds and then rotates 90 degrees to a required welding angle and bears high current;
3. the welding mechanism is clamped in six directions in space, and automatic welding circulation is realized.
Drawings
FIG. 1 is a perspective view of an automatic welding device for a moving contact assembly according to the present invention;
FIG. 2 is a top view of the automatic welding device for moving contact assemblies according to the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 1;
FIG. 4 is an enlarged view of the portion B of FIG. 1 in accordance with the present invention;
fig. 5 is an enlarged view of fig. 1 at C in accordance with the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
In fig. 1 to 5, an automatic welding device for moving contact assemblies comprises a semi-finished product feeding and transplanting mechanism 1, a bimetallic strip support feeding mechanism 2, a welding mechanism 3, an image detection mechanism 4, a material box transplanting mechanism 5 and a mounting table 100.
The middle part position of mount table 100 is equipped with a divider carousel 41, and divider carousel 41 is close to bimetallic strip support feed mechanism 2 one side is equipped with a plastic cylinder 46, and plastic cylinder 46 is connected with mount table 100, and plastic cylinder 46 carries out the plastic to bimetallic strip.
The image detection mechanism 4 includes a six-axis robot 42. The six-axis robot 42 can accurately clamp the welded finished product 101 for image detection. The two ends of the mounting table 100 in the length direction are respectively provided with a semi-finished product feeding and transplanting mechanism 1 and a welding mechanism 3. The two ends of the mounting table 100 in the width direction are respectively provided with a bimetallic strip bracket feeding mechanism 2 and an image detection mechanism 4. The semi-finished product feeding and transplanting mechanism 1, the bimetallic strip support feeding mechanism 2, the welding mechanism 3 and the image detection mechanism 4 are uniformly arranged in a counter-clockwise direction by taking the divider turntable 41 as a center. The mounting table 100 is provided with a magazine transplanting mechanism 5 at one end close to the welding mechanism 3, and the six-axis robot 42 is arranged on the mounting table 100 between the semi-finished product feeding transplanting mechanism 1 and the image detection mechanism 4. The magazine transplanting mechanism 5 is connected to the bottom end of the mounting table 100. The image detection mechanism 4 further includes a CCD camera 43, an annular light source 44 and a backlight 48 sequentially disposed along the length direction of the mounting table 100. The backlight 48 is disposed near the six-axis robot 42, and the six-axis robot 42 clamps the welded finished product 101 between the annular light source 44 and the backlight 48, and then performs image detection after sensing by the photoelectric sensor 45.
The welding mechanism 3 includes a downshifting cylinder 31, a proportional valve 32, a forward pushing cylinder 33, two electrode clamping cylinders 34, a precision clamping jaw 35, two cooling waterways 36, and a turntable clamp 38. The turntable clamp 38 and the push-forward cylinder 33 are provided in the longitudinal direction of the mount 100 by brackets. The two-electrode clamping cylinder 34 is disposed in the width direction of the mount 100. A down-shift cylinder 31 is provided at the top end of the welding mechanism 3. The forward pushing cylinder 33, the electrode clamping cylinder 34, the turntable clamp 38, and the electrode clamping cylinder 34 are disposed in a clockwise direction centering on the downward moving cylinder 31. A precision clamping jaw 35 is provided at the bottom end of the downshifting cylinder 31. The turntable clamp 38 is provided at the lower end of the downward-moving cylinder 31, and is press-fitted with the divider turntable 41. The cooling waterway 36 is provided between the two electrode clamping cylinders 34, and is provided on both sides of the precision clamping jaw 35 near the electrode clamping cylinders 34. The proportional valve 32 is arranged on the mounting table 100 between the push-forward cylinder 33 and the electrode clamping cylinder 34 via a mount. The lower end of the turntable clamp 38 is provided with a clamp unlocking cylinder 47, and the clamp unlocking cylinder 47 is connected with the mounting table 100. After the unlocking cylinder 47 is unlocked, the turntable clamp 38 is released and the divider turntable 41 can be rotated.
The feeding mechanism 2 of the bimetallic strip support comprises a first X-Z moving module 21, a first rotary clamping cylinder 22, a material separating and rotating mechanism 23, a material blocking cylinder 24 and a vibrating disc 25. The first X-Z moving module 21 is disposed at the top end of the bimetal support feeding mechanism 2 in the width direction of the mounting table 100. The first rotary nip cylinder 22 is provided on the first X-Z movement module 21. The vibration plate 25 is provided on one side in the longitudinal direction of the mount 100. The material blocking cylinder 24 is abutted with the vibration plate 25, the material blocking cylinder 24 is arranged on the mounting table 100, and a material distributing rotating mechanism 23 is arranged at one end of the material blocking cylinder 24 away from the vibration plate 25. The rotation angle of the material-separating rotary mechanism 23 is 90 degrees. The dispensing rotation mechanism 23 rotates the clamped bimetal support from the horizontal position to the vertical position. The bimetal may carry 40A of current.
The semi-finished product feeding and transplanting mechanism 1 comprises a second X-Z moving module 11, a second rotary clamping cylinder 14, a product overturning table 13 and two semi-finished product taking clamping claws 12. The bottom end of the second X-Z moving module 11 is provided with a semi-finished product taking clamping jaw 12. The product overturning platform 13 is arranged on the mounting platform 100 through a support, and the product overturning platform 13 is arranged in parallel with the second X-Z moving module 11. The second rotary nip cylinder 14 is provided at one end of the second X-Z movement module 11 near the divider carousel 41. The product overturning table 13 rotates 90 degrees in the vertical plane, and the second rotary clamping cylinder 14 rotates the overturned semi-finished product by 90 degrees in the horizontal plane and then transmits the overturned semi-finished product to the turntable clamp 38.
The material box transplanting mechanism 5 comprises a rotary cylinder blanking opening 53 and a plurality of material boxes 51, wherein the rotary cylinder blanking opening 53 is arranged on a mounting table 100 between the annular light source 44 and the backlight source 48, a belt 52 is arranged on the lower side of the rotary cylinder blanking opening 53, and the material boxes 51 are arranged at one end of the belt 52 away from the rotary cylinder blanking opening 53. The number of cartridges 51 is 4.
The semi-finished product feeding and transplanting mechanism 1 and the bimetallic strip support feeding mechanism 2 are fed and then are rotated to the welding mechanism 3 through the separator turntable 41, the finished product 101 formed after welding is rotated to the image detection mechanism 4, and the six-axis robot 42 takes off the finished product 101 for detection and conveys good products to the material box transplanting mechanism 5 through the belt 52.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.