CN117961391A - Automatic welding device for printed board assembly - Google Patents
Automatic welding device for printed board assembly Download PDFInfo
- Publication number
- CN117961391A CN117961391A CN202410382474.0A CN202410382474A CN117961391A CN 117961391 A CN117961391 A CN 117961391A CN 202410382474 A CN202410382474 A CN 202410382474A CN 117961391 A CN117961391 A CN 117961391A
- Authority
- CN
- China
- Prior art keywords
- printed board
- box
- gear
- supporting
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 34
- 230000007306 turnover Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000005476 soldering Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to the technical field of welding facilities, in particular to an automatic welding device for a printed board assembly, which comprises a welding head, a mechanical arm and a fixing assembly, wherein the fixing assembly comprises a base and a supporting unit arranged at the center of the base, bases are respectively arranged on two sides of the supporting unit, a clamping unit is arranged on the base and comprises a horizontally arranged rotating box, at least two clamping blocks are arranged on one side of the rotating box, which faces the supporting unit, of the rotating box, a second linear driver is further arranged at the working end of the second linear driver, a horizontal shaft rod is arranged on the rotating box, which faces the center of one end of the second linear driver, the shaft rod is inserted on the supporting plate, the shaft rod of the rotating box is in transmission connection with a driving unit, the clamping blocks in the technical scheme clamp the two ends of the printed board placed on the supporting unit, and the driving unit drives the rotating box to rotate about the axis of the shaft rod by one hundred eighty degrees to drive the printed board clamped by the clamping unit to overturn.
Description
Technical Field
The invention relates to the technical field of welding facilities, in particular to an automatic welding device for a printed board assembly.
Background
Along with the rapid development of electronic technology, various types of electrical appliances are widely applied to various fields, and the shapes and the sizes of the printed boards in the electrical appliances are also various, so that different electronic components are required to be welded and installed on the printed boards in the assembly process of the power supply printed board assembly, when automatic welding is carried out, a special printed board welding device matched with the appearance of the printed boards is required to be used for meeting the welding requirements of different printed board assemblies, namely, the printed board assembly is required to be installed into the printed board assembly welding device matched with the appearance and the size of the printed board assembly, in the prior art, a semi-automatic welding mode is adopted, a customized machine clamp and a welding robot are adopted, the materials are manually placed at positions to be welded on the printed boards of the keyboard, and the welding robot is operated to move to the welding positions for welding according to a preset moving program.
Chinese patent CN111761161a discloses a welding device for a printed board assembly of a power filter, comprising a supporting base, a rotating supporting mechanism, a welding supporting base and a printed board clamping plate, wherein the top of the supporting base is provided with the rotating base, the rotating base is provided with a ball groove, the top of the rotating supporting mechanism is connected with the welding supporting base, and the bottom of the rotating supporting mechanism is provided with an adjusting ball; the middle part of the welding support seat is provided with a separation seat, the welding support seat is separated into a clamping welding position A and a clamping welding position B by the separation seat, the separation seat is rotatably provided with a printed board clamping plate, and the printed board clamping plate comprises a turnover plate and a plurality of clamping fixing devices arranged on the turnover plate.
This equipment can carry out two-sided centre gripping and upset to the printed board, but the clamping board need remove to the printed board both sides, probably causes the welding position and influences, and when the turn-over is processed, the upset board drives the printed board and rotates around the partition seat axis of one side, leads to the processing position to appear deviating, needs to fix a position again, influences automatic weld's efficiency.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an automatic soldering apparatus for printed board assemblies.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
The automatic welding device for the printed board assembly comprises a welding head, a mechanical arm for driving the welding head to move, and a fixing assembly for fixing the printed board, wherein the fixing assembly comprises a base and a supporting unit arranged at the center of the base, the printed board is placed at the top end of the supporting unit, the supporting unit is arranged at the working end of a first linear driver, and the first linear driver drives the supporting unit to move in the vertical direction; the base is positioned at two sides of the supporting unit and is respectively provided with a base, the base is provided with a clamping unit, the clamping unit comprises a rotating box which is horizontally arranged, one side of the rotating box, which faces the supporting unit, is provided with at least two clamping blocks, the clamping blocks clamp two ends of a printed board which is placed on the supporting unit, the clamping unit also comprises a second linear driver, a support plate is arranged at the working end of the second linear driver, a horizontal shaft lever is arranged at the center position of one end, which faces the second linear driver, of the rotating box, the shaft lever is inserted on the support plate, and the second linear driver drives the rotating box to move in the horizontal direction; the shaft lever of the rotary box is in transmission connection with the driving unit, and the driving unit drives the rotary box to rotate one hundred eighty degrees around the shaft lever axis to drive the printed board clamped by the clamping unit to turn over; the driving unit comprises a first synchronous wheel coaxially arranged on the shaft rod, the first synchronous wheel is connected with a second synchronous wheel through a synchronous belt in a transmission way, the second synchronous wheel is rotatably arranged on the support plate, and the second synchronous wheel is positioned below the first synchronous wheel; the second synchronous wheel is sleeved on a spline shaft which is rotatably arranged on the base, and the spline shaft extends along the horizontal direction parallel to the moving path of the working end of the second linear driver; the one end coaxial mount that supporting element was kept away from to the spline shaft has first gear, and supporting element installs on the mounting box, and the work end of first line driver is connected to the mounting box, and the mounting box both sides are provided with the side mounting board, and the one end that the mounting box was kept away from to the side mounting board is provided with vertical upwards extending first rack, and first rack is connected with first gear engagement, drives first gear, spline shaft, second synchronizing wheel, first synchronizing wheel and the rotatory hundred eighty degrees of clamping unit when first line driver drive mounting box moves down.
Preferably, one side of the first rack facing the first gear is provided with a tooth groove section and a smooth section, the smooth section is positioned below the tooth groove section, when the first linear driver drives the mounting box to move downwards, the smooth section is in contact with the first gear, and when the first rack moves downwards to the tooth groove section to be connected with the first gear in a meshed mode, the first gear is driven to rotate.
Preferably, the base is provided with vertical first guide bars on two sides of the supporting unit, the side mounting plates of the supporting unit are provided with guide holes, and the side mounting plates are sleeved on the first guide bars through the guide holes.
Preferably, the shaft lever is coaxially provided with a rotating wheel, the rotating wheel is positioned at one side of the support plate away from the first synchronous wheel, the periphery of the rotating wheel is provided with a protruding part extending along the radial direction of the rotating wheel, one side of the support plate positioned at the rotating wheel is provided with two positioning blocks, the positioning blocks are respectively positioned at two sides below the rotating wheel, and the positioning blocks are attached to the protruding part when the rotating wheel rotates for one hundred eighty degrees
Preferably, the protruding portion is made of magnetic attraction metal materials, and an attraction magnet is embedded in the top end of the positioning block.
Preferably, the supporting unit further comprises a sleeve and a supporting block, wherein the sleeve is fixedly arranged on the mounting box, and a threaded hole is formed in the top end of the sleeve; the supporting shoe top is provided with a plurality of vertical ejector pin, and the length of ejector pin equals, and the supporting shoe below is provided with vertical threaded rod, and the threaded rod screw-tupe of supporting shoe is installed in telescopic screw hole.
Preferably, the clamping block comprises a moving box and a rubber column, the rubber column is vertically arranged on one side of the moving box facing the supporting unit, a slot which vertically extends is arranged on the periphery of the rubber column, and the rubber column is inserted into an insertion shell arranged on one side of the moving box through the slot; the movable box is slidably mounted in a limiting sliding rail arranged on one side of the rotary box, which faces the supporting unit, and the limiting sliding rail extends along a horizontal direction perpendicular to the moving direction of the working end of the second linear driver.
Preferably, a second guide rod which extends horizontally and is perpendicular to the length direction of the limiting sliding rail is arranged on one side of the inserting shell, facing the moving box, of the inserting shell, the second guide rod is inserted into the shaft rod, a spring is sleeved on the second guide rod, the spring is elastically connected with the inserting shell and the moving box, and the inserting shell moves towards the supporting unit by the elastic force of the spring; the second guide rod extends to the outside one end of removal box and is provided with the limit head, and the diameter of limit head is greater than between the second guide rod, and the limit head laminating removes the position of one side spacing rubber post of box keeping away from under the elasticity effect of spring.
Preferably, a rotary driver is further arranged in the rotary box, a second gear is coaxially arranged at the working end of the rotary driver, the second gear is inserted into the limiting slide rail, the second gear is positioned at the center of the limiting slide rail, the axis of the second gear is horizontally arranged parallel to the moving path of the support plate, a second rack is respectively arranged on one side, facing the second gear, of the two moving boxes, the second rack is positioned on the upper side and the lower side of the second gear and is in meshed connection with the second gear, and the rotary driver drives the second gear to rotate so as to drive the moving boxes to move in the limiting slide rail; and oblique limiting plates which extend obliquely away from the axis of the rotary driver are arranged on the plug-in mounting shell in the same limiting slide rail, the oblique limiting plates on two sides of the axis of the rotary driver are symmetrically arranged, and two sides of the printed board are attached to the inner walls of the oblique limiting plates to move.
Compared with the prior art, the invention has the beneficial effects that:
Firstly, the rotary box can turn over one hundred eighty degrees along the axis of the shaft rod under the condition of clamping the printed board, the turnover of the printed board is realized, automatic welding is conveniently carried out on the two sides of the printed board, and the shaft rod of the rotary box is positioned at the central position of the rotary box and horizontally extends, so that the processing position of the turned printed board is unchanged, and the automatic welding efficiency is improved.
Secondly, the supporting unit supports the central position of the printed board, and the height position of the supporting block can be adjusted, so that the printed board with any size can be clamped at the central position of the clamping block by the clamping unit, and the printed board is always positioned within the welding distance of the welding head after the clamping unit drives the printed board to overturn.
Thirdly, the printed board on the supporting unit is centered and clamped through the clamping unit, the inclined limiting plates of the clamping unit can adjust the positions of the printed board when the rubber columns are close to two sides of the printed board, the center line of the printed board after clamping and fixing and the rotating shaft of the rotating driver are guaranteed to be in the same straight line, and when the printed board is overturned, the deviation of the processing position can be avoided.
Drawings
FIG. 1 is a front view of a fixture assembly of an automated printed board assembly soldering apparatus;
FIG. 2 is a perspective view of a fixing assembly of an automatic soldering apparatus for printed board assemblies;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a second perspective view of a fixing assembly of an automatic soldering apparatus for printed board assemblies;
FIG. 5 is a side view of a fixture assembly of the printed board assembly automatic soldering apparatus;
FIG. 6 is a cross-sectional view at B-B of FIG. 5;
FIG. 7 is an enlarged view of a portion at C of FIG. 6;
FIG. 8 is a perspective view of a fixture assembly of an automated soldering apparatus for printed board assemblies;
FIG. 9 is an exploded view of a solid structure of a fixing assembly of an automatic soldering apparatus for printed board assemblies;
Fig. 10 is a partial enlarged view at D of fig. 9;
Fig. 11 is an exploded perspective view of a clamping unit of an automatic soldering apparatus for printed board assemblies.
The reference numerals in the figures are: 1. a base; 11. a base; 12. a spline shaft; 121. a first gear; 13. a first guide bar; 2. a supporting unit; 21. a first linear driver; 22. a mounting box; 221. a side mounting plate; 222. a first rack; 223. a guide hole; 23. a sleeve; 231. a threaded hole; 24. a support block; 241. a push rod; 242. a threaded rod; 3. a clamping unit; 31. a rotating box; 311. a shaft lever; 312. a first synchronizing wheel; 313. a synchronous belt; 314. a second synchronizing wheel; 315. a rotary driver; 316. a second gear; 32. a clamping block; 321. a moving case; 322. a rubber column; 323. a slot; 324. a plug-in shell; 325. a second guide bar; 326. a spring; 327. a positioning head; 328. a second rack; 329. an inclined limiting plate; 33. a second linear driver; 331. a support plate; 332. a positioning block; 333. a magnet is adsorbed; 34. a rotating wheel; 341. a boss; 35. and a limit sliding rail.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 11:
The automatic welding device for the printed board assembly comprises a welding head, a mechanical arm for driving the welding head to move, and a fixing assembly for fixing the printed board, wherein the fixing assembly comprises a base 1 and a supporting unit 2 arranged at the center of the base 1, the printed board is placed at the top end of the supporting unit 2, the supporting unit 2 is arranged on the working end of a first linear driver 21, and the first linear driver 21 drives the supporting unit 2 to move in the vertical direction; the base 1 is provided with a base 11 respectively on two sides of the supporting unit 2, the base 11 is provided with a clamping unit 3, the clamping unit 3 comprises a horizontally arranged rotating box 31, one side of the rotating box 31 facing the supporting unit 2 is provided with at least two clamping blocks 32, the clamping blocks 32 clamp two ends of a printed board placed on the supporting unit 2, the clamping unit 3 further comprises a second linear driver 33, the working end of the second linear driver 33 is provided with a support plate 331, one end center position of the rotating box 31 facing the second linear driver 33 is provided with a horizontal shaft lever 311, the shaft lever 311 is inserted on the support plate 331, and the second linear driver 33 drives the rotating box 31 to move in the horizontal direction; the shaft lever 311 of the rotary box 31 is in transmission connection with a driving unit, and the driving unit drives the rotary box 31 to rotate one hundred eighty degrees around the axis of the shaft lever 311 to drive the printed board clamped by the clamping unit 3 to turn over.
According to the automatic welding device, the printed board is fixed through the fixing component, the mechanical arm drives the welding head to move, electronic components placed on the printed board are welded, the electronic components can be automatically placed through the automatic feeding device, the mechanical arm and the welding head are not excessively described in the prior art, the fixing component is not shown in the drawing, the fixing component comprises the base 1, the supporting unit 2 on the base 1 is used for supporting the central part of the printed board, after the printed board is placed on the supporting unit 2, the clamping units 3 on the bases 11 on two sides of the base 1 clamp two ends of the printed board, the second linear driver 33 of the clamping units 3 drives the rotary box 31 to approach the supporting unit 2 until the rotary box 31 faces the clamping blocks 32 on one side of the supporting unit 2 to be attached to the outer sides of the printed board, clamping fixation of the printed board is achieved, the second linear driver 33 can be a linear cylinder or an electric push rod or the like, the rotary box 31 is inserted on the supporting plate 331 on the working end of the second linear driver 33 through the shaft 311, therefore under the driving action of the driving unit, the rotary box 31 can be welded at the position of the printed board along the rotating axis 311, the rotating direction of the printed board can be changed, the welding position of the printed board can be changed, and the welding position can be changed, the welding position can be realized in the eight-direction of the automatic welding device can be changed, and the automatic welding position can be realized, the welding position can be realized, and the automatic welding position can be matched with the position of the printed board can be welded position can be welded, the position can be welded, and the position can be welded.
In order to solve the problem of how to realize the overturning of the clamped printed board driven by the clamping unit 3, the following characteristics are specifically set:
The driving unit comprises a first synchronous wheel 312 coaxially arranged on the shaft lever 311, the first synchronous wheel 312 is in transmission connection with a second synchronous wheel 314 through a synchronous belt 313, the second synchronous wheel 314 is rotatably arranged on the support plate 331, and the second synchronous wheel 314 is positioned below the first synchronous wheel 312; the second synchronizing wheel 314 is sleeved on a spline shaft 12 rotatably installed on the base 11, and the spline shaft 12 extends in a horizontal direction parallel to the moving path of the working end of the second linear actuator 33; the first gear 121 is coaxially arranged at one end of the spline shaft 12, which is far away from the supporting unit 2, the supporting unit 2 is arranged on the mounting box 22, the mounting box 22 is connected with the working end of the first linear driver 21, side mounting plates 221 are arranged on two sides of the mounting box 22, a first rack 222 extending vertically upwards is arranged at one end of the side mounting plates 221, which is far away from the mounting box 22, the first rack 222 is meshed with the first gear 121, and the first linear driver 21 drives the first gear 121, the spline shaft 12, the second synchronous wheel 314, the first synchronous wheel 312 and the clamping unit 3 to rotate by one hundred eighty degrees when driving the mounting box 22 to move downwards.
The driving unit in this embodiment drives the rotating boxes 31 connecting the supporting unit 2 and the two sides of the clamping unit 3, the supporting unit 2 is installed on the working end of the first linear driver 21, the first linear driver 21 may be a linear cylinder or an electric push rod, etc., the first linear driver 21 may drive the supporting unit 2 to move in the vertical direction, the initial position of the printed board placed on the supporting unit 2 may be adjusted to ensure that the printed board with any thickness is kept at the center position of the clamping block 32 of the clamping unit 3 when being clamped by the clamping unit 3, thereby keeping the position of the printed board after the clamping unit 3 is turned over, and also may be moved down when the clamping unit 3 is turned over, improving the space for turning over the printed board, when the supporting unit 2 is moved down, the side mounting plates 221 on two sides of the mounting box 22 of the supporting unit 2 are moved down, the first rack 222 on the side mounting plate 221 moves downwards to drive the first gear 121 meshed with the first rack 222 to rotate, the first gear 121 is located at one end of the spline shaft 12, the first gear 121 rotates to drive the spline shaft 12 to rotate, the second synchronizing wheel 314 on the rotating box 31 is slidably mounted on the spline shaft 12, namely, the second linear driver 33 drives the rotating box 31 and the clamping block 32 to move to any position to keep the connection relation of the second synchronizing wheel 314 and the spline shaft 12in synchronous rotation, the spline shaft 12 rotates to drive the second synchronizing wheel 314 to rotate, the second synchronizing wheel 314 drives the first synchronizing wheel 312 to rotate through the synchronous belt 313, the first synchronizing wheel 312 rotates to drive the shaft lever 311 to synchronously rotate, and accordingly the printed boards clamped by the clamping unit 3 and the clamping unit 3 are driven to overturn through downward movement of the supporting unit 2.
In order to solve the problem of how to ensure that the overturning of the printed board does not contact the support unit 2 in the downward movement, the following features are specifically set:
the first rack 222 is provided with a tooth space section and a smooth section towards one side of the first gear 121, the smooth section is located below the tooth space section, when the first linear driver 21 drives the mounting box 22 to move downwards, the smooth section is in contact with the first gear 121, and when the first rack 222 moves downwards to the tooth space section to be in meshed connection with the first gear 121, the first gear 121 is driven to rotate.
In this embodiment, when the supporting unit 2 is at the initial position, the smooth section of the first rack 222 contacts with the first gear 121, the tooth slot section of the first rack 222 is located above the smooth section, at this time, when the first linear driver 21 drives the supporting unit 2 to move down, the supporting unit 2 moves down without driving the clamping unit 3 and the printed board to turn over, after the supporting unit 2 moves down for a distance, the tooth slot section of the first rack 222 is meshed with the first gear 121, at this time, the downward movement of the supporting unit 2 drives the first gear 121 and the first gear 121 to rotate, so as to realize adjustment and turning over of the pitch angle of the printed board clamped by the clamping unit 3 and the clamping unit 3, and when the printed board turns over, the supporting unit 2 moves down within the turning range of the printed board, so as not to affect the turning angle of the printed board.
In order to solve the problem of how to guarantee the stability of the movement of the support unit 2 in the vertical direction, the following features are provided in particular:
the base 1 is provided with vertical first guide bars 13 on both sides of the supporting unit 2, a guide hole 223 is formed in a side mounting plate 221 of the supporting unit 2, and the side mounting plate 221 is sleeved on the first guide bars 13 through the guide hole 223.
The supporting unit 2 in this embodiment is installed on the installation box 22, and the vertical first guide bar 13 that sets up on the base 1 is established through first rack 222 cover in the installation box 22 both sides to guarantee the stability that supporting unit 2 moved in the vertical direction, installation box 22 keeps the level when moving, realizes the synchronous vertical removal of first rack 222 of supporting unit 2 both sides, thereby drives the clamping unit 3 of both sides and carries out synchronous upset, guarantees that the clamping unit 3 keeps the centre gripping to the printed board can not appear misplacement when the upset.
In order to solve the problem of how to keep the rotary case 31 horizontal in the initial position and the maximum flip angle of one hundred eighty degrees, the following features are specifically provided:
The shaft lever 311 is coaxially provided with a rotating wheel 34, the rotating wheel 34 is positioned on one side of the support plate 331 far away from the first synchronizing wheel 312, a protruding part 341 extending along the radial direction of the rotating wheel 34 is arranged on the periphery of the rotating wheel 34, two positioning blocks 332 are arranged on one side of the support plate 331 positioned on the rotating wheel 34, the positioning blocks 332 are respectively positioned on two sides below the rotating wheel 34, and the positioning blocks 332 are attached to the protruding part 341 when the rotating wheel 34 rotates one hundred eighty degrees
The protruding portion 341 is made of a magnetic metal material, and the adsorption magnet 333 is embedded in the top end of the positioning block 332.
The second synchronizing wheel 314 in this embodiment is further provided with a coaxial rotating wheel 34, when the clamping unit 3 drives the printed board to rotate, the rotating wheel 34 follows the rotation, when the protruding portion 341 on the peripheral side of the rotating wheel 34 rotates, the protruding portion 341 of the rotating wheel 34 is respectively contacted with the top of the positioning block 332 fixedly installed on the support plate 331, the two side positioning blocks 332 limit the protruding portion 341 of the rotating wheel 34 to rotate for one hundred eighty degrees only along with the rotating wheel 34, when the protruding portion 341 contacts with the top of one side positioning block 332, the supporting of the protruding portion 341 by the positioning block 332 enables the printed board to be in a horizontal state, the protruding portion 341 in this embodiment can be absorbed by the absorbing magnet 333 on the top of the positioning block 332, therefore, when the supporting unit 2 moves upwards to drive the printed board to reset to the horizontal state, the smooth section of the first rack 222 keeps self stability when the rotating box 31 is moved upwards, and therefore the clamping blocks 32 on the rotating box 31 can keep the same level and stable state to clamp the two ends of the printed board.
In order to solve the problem of how to support the printed board according to the support unit 2, the following features are specifically provided:
The supporting unit 2 further comprises a sleeve 23 and a supporting block 24, wherein the sleeve 23 is fixedly arranged on the mounting box 22, and a threaded hole 231 is formed in the top end of the sleeve 23; the supporting shoe 24 top is provided with a plurality of vertical ejector pin 241, and the length of ejector pin 241 equals, and the supporting shoe 24 below is provided with vertical threaded rod 242, and the threaded rod 242 of supporting shoe 24 is installed in the screw hole 231 of sleeve 23 by the screw.
The supporting unit 2 in this embodiment carries out multiple spot support to the printed board central point through a plurality of ejector pins 241 at supporting shoe 24 top, reduce the area of contact with the printed board and guarantee that the printed board is placed steadily on supporting shoe 24, supporting shoe 24 passes through threaded rod 242 spiral installation on sleeve 23, the staff can manual rotatory supporting shoe 24 change the ejector pin 241 top and drive its height when shifting to the highest position at first linear drive 21 working end, thereby guarantee that the printed board of arbitrary thickness of placing on ejector pin 241 all can be held in the central point of grip block 32 by grip unit 3, be in the welding distance of soldered connection all the time after grip unit 3 drives the printed board upset.
In order to solve the problem of how the clamping unit 3 clamps printed boards of different sizes, the following features are specifically provided:
The clamping block 32 comprises a movable box 321 and a rubber column 322, wherein the rubber column 322 is vertically arranged on one side of the movable box 321 facing the supporting unit 2, a slot 323 which vertically extends is arranged on the periphery of the rubber column 322, and the rubber column 322 is inserted into an insertion shell 324 arranged on one side of the movable box 321 through the slot 323; the moving case 321 is slidably mounted in a limit slide rail 35 provided at a side of the rotary case 31 toward the supporting unit 2, the limit slide rail 35 extending in a horizontal direction perpendicular to a moving direction of the working end of the second linear actuator 33.
The clamping block 32 in this embodiment is slidably mounted in the limiting slide rail 35 through the moving box 321, the moving box 321 moves in the limiting slide rail 35 to change the distance between the rubber columns 322 on the two moving boxes 321, so that effective contact and clamping of printed boards with different sizes are achieved, the rubber columns 322 are inserted into the inserting shell 324 on the moving box 321 through the inserting grooves 323 on the periphery, the rubber columns 322 can be detached and replaced, and deformation generated by contact between the rubber columns 322 and the printed boards can protect the printed boards, and the processing surfaces of the printed boards are not shielded.
In order to solve the problem of how to avoid bending deformation of the printed board caused by overlarge clamping force of the clamping unit 3 on two ends of the printed board, the following characteristics are specifically set:
The side of the inserting shell 324 facing the moving box 321 is provided with a second guide rod 325 which extends horizontally and is perpendicular to the length direction of the limiting slide rail 35, the second guide rod 325 is inserted into the shaft lever 311, a spring 326 is sleeved on the second guide rod 325, the spring 326 is elastically connected with the inserting shell 324 and the moving box 321, and the elasticity of the spring 326 enables the inserting shell 324 to move towards the supporting unit 2; the second guide rod 325 extends to one end outside the movable box 321 and is provided with a limiting head 327, the diameter of the limiting head 327 is larger than that of the second guide rod 325, and the limiting head 327 is attached to the position of the movable box 321, away from the rubber column 322, of the side of the rubber column 322 under the elastic force of the spring 326.
In this embodiment, the insertion housing 324 for installing the rubber column 322 is inserted on the moving box 321 through the second guide rod 325, the elastic force on the second guide rod 325 pushes the rubber column 322 to move to one side of the supporting unit 2 until the limiting head 327 is attached to the outside of the moving box 321, when the second linear driver 33 drives the rubber column 322 to approach one end of the printed board until the rubber column contacts, the rubber column 322 limits the printed board, the moving box 321 approaches the printed board, so that the insertion housing 324 moves into the moving box 321 and compresses the spring 326, the elastic force of the spring 326 can clamp the printed board, the excessive clamping force is avoided, and the printed boards with different sizes are effectively protected from being bent under stress during processing.
In order to solve the problem of how to realize the positional movement of the moving box 321 in the limiting slide rail 35, the following features are specifically set:
The rotary box 31 is internally provided with a rotary driver 315, the working end of the rotary driver 315 is coaxially provided with a second gear 316, the second gear 316 is inserted into the limit slide rail 35, the second gear 316 is positioned at the center of the limit slide rail 35, the axis of the second gear 316 is horizontally arranged parallel to the moving path of the support plate 331, one side of the two movable boxes 321 facing the second gear 316 is respectively provided with a second rack 328, the second racks 328 are positioned on the upper side and the lower side of the second gear 316 and are in meshed connection with the second gear 316, and the rotary driver 315 drives the second gear 316 to rotate so as to drive the movable boxes 321 to move in the limit slide rail 35; the oblique limiting plates 329 which extend obliquely far away from the axis of the rotary driver 315 are arranged on the plug-in mounting shell 324 in the same limiting slide rail 35, the oblique limiting plates 329 on two sides of the axis of the rotary driver 315 are symmetrically arranged, and two sides of the printed board are attached to the inner walls of the oblique limiting plates 329 to move.
In this embodiment, the second rack 328 disposed on the moving box 321 is engaged with the second gear 316 in the limiting slide rail 35, when the rotary driver 315 drives the second gear 316 to rotate, the two moving boxes 321 in the limiting slide rail 35 can be driven to perform centering synchronous reverse movement, so as to increase or decrease the distance between the rubber columns 322, the rotary driver 315 can be a servo motor or a motor, etc., when the distance between the rubber columns 322 increases or decreases, the inclined limiting plates 329 on both sides of the cartridge shell 324 can be driven to perform synchronous reverse movement, so that the two inclined limiting plates 329 are guaranteed to be always symmetrical about the axis of the rotary driver 315, when the rubber columns 322 move towards both ends of the printed board, the two side end angles of the printed board are attached to the inner walls of the inclined limiting plates 329 to perform centering movement adjustment on the printed board, the center line of the printed board after clamping and the rotary driver 315 are guaranteed to be on the same straight line, and when the printed board is turned over, the processing position can be avoided.
Working principle: after the printed board is placed on the supporting unit 2, the clamping units 3 on the bases 11 on two sides of the base 1 clamp two ends of the printed board, the second linear driver 33 of the clamping unit 3 drives the rotating box 31 to approach the supporting unit 2 until the clamping blocks 32 on one side of the rotating box 31 facing the supporting unit 2 are attached to the outer sides of the printed board, the mechanical arm drives the welding head to move so as to weld electronic components placed on the printed board, when the supporting unit 2 moves downwards, the side mounting plates 221 on two sides of the mounting box 22 of the supporting unit 2 move downwards, the first racks 222 on the side mounting plates 221 move downwards so as to drive the first gears 121 in meshed connection with the first racks 222 to rotate, the first gears 121 are located at one ends of the spline shafts 12, the first gears 121 rotate so as to drive the spline shafts 12 to rotate, the spline shafts 12 rotate so as to drive the second synchronizing wheels 314 to rotate through the synchronizing belts 313, the first synchronizing wheels 312 rotate so as to drive the printed board clamped by the clamping units 3 and the clamping units 3 to turn over, and the printed board is welded by the printing head to turn over.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The automatic welding device for the printed board assembly comprises a welding head, a mechanical arm for driving the welding head to move and a fixing assembly for fixing the printed board, and is characterized in that the fixing assembly comprises a base (1) and a supporting unit (2) arranged at the center of the base (1), the printed board is placed at the top end of the supporting unit (2), the supporting unit (2) is arranged at the working end of a first linear driver (21), and the first linear driver (21) drives the supporting unit (2) to move in the vertical direction;
The base (1) is positioned at two sides of the supporting unit (2) and is respectively provided with a base (11), the base (11) is provided with a clamping unit (3), the clamping unit (3) comprises a rotating box (31) which is horizontally arranged, at least two clamping blocks (32) are arranged at one side of the rotating box (31) facing the supporting unit (2), the clamping blocks (32) clamp two ends of a printed board placed on the supporting unit (2), the clamping unit (3) further comprises a second linear driver (33), the working end of the second linear driver (33) is provided with a support plate (331), a horizontal shaft lever (311) is arranged at the center of one end of the rotating box (31) facing the second linear driver (33), the shaft lever (311) is inserted on the support plate (331), and the second linear driver (33) drives the rotating box (31) to move in the horizontal direction;
the shaft lever (311) of the rotary box (31) is in transmission connection with the driving unit, and the driving unit drives the rotary box (31) to rotate by one hundred eighty degrees around the axis of the shaft lever (311) to drive the printed board clamped by the clamping unit (3) to turn over;
The driving unit comprises a first synchronous wheel (312) coaxially arranged on the shaft lever (311), the first synchronous wheel (312) is in transmission connection with a second synchronous wheel (314) through a synchronous belt (313), the second synchronous wheel (314) is rotatably arranged on the support plate (331), and the second synchronous wheel (314) is positioned below the first synchronous wheel (312);
the second synchronous wheel (314) is sleeved on a spline shaft (12) rotatably arranged on the base (11), and the spline shaft (12) extends along the horizontal direction parallel to the moving path of the working end of the second linear driver (33);
One end coaxial-mounted who keeps away from supporting element (2) of integral key shaft (12) has first gear (121), supporting element (2) are installed on mounting box (22), the work end of first linear drive (21) is connected to mounting box (22), mounting box (22) both sides are provided with side mounting plate (221), the one end that mounting box (22) was kept away from to side mounting plate (221) is provided with vertical upwards extending first rack (222), first rack (222) are connected with first gear (121) meshing, drive first gear (121) when first linear drive (21) drive mounting box (22) move down, integral key shaft (12), second synchronizing wheel (314), first synchronizing wheel (312) and centre gripping unit (3) rotatory one hundred eighty degrees.
2. The automatic welding device for printed board assemblies according to claim 1, wherein a tooth groove section and a smooth section are arranged on one side of the first rack (222) facing the first gear (121), the smooth section is located below the tooth groove section, when the first linear driver (21) drives the mounting box (22) to move downwards, the smooth section is in contact with the first gear (121), and when the first rack (222) moves downwards to be connected with the first gear (121) in a meshing manner, the first gear (121) is driven to rotate.
3. The automatic welding device for the printed board assembly according to claim 2, wherein the base (1) is provided with vertical first guide rods (13) at two sides of the supporting unit (2), guide holes (223) are formed in side mounting plates (221) of the supporting unit (2), and the side mounting plates (221) are sleeved on the first guide rods (13) through the guide holes (223).
4. The automatic welding device for the printed board assembly according to claim 1, wherein the rotating wheel (34) is coaxially installed on the shaft lever (311), the rotating wheel (34) is located at one side of the supporting plate (331) far away from the first synchronous wheel (312), a protruding portion (341) extending radially along the rotating wheel (34) is arranged on the periphery of the rotating wheel (34), two positioning blocks (332) are arranged on one side of the supporting plate (331) located on the rotating wheel (34), the positioning blocks (332) are respectively located on two sides below the rotating wheel (34), and the positioning blocks (332) are attached to the protruding portions (341) when the rotating wheel (34) rotates for one hundred eighty degrees.
5. The automatic soldering apparatus for printed board assembly according to claim 4, wherein the protruding portion (341) is made of a magnetic metal material, and the top end of the positioning block (332) is embedded with an attracting magnet (333).
6. The automatic welding device for the printed board assembly according to claim 1, wherein the supporting unit (2) further comprises a sleeve (23) and a supporting block (24), the sleeve (23) is fixedly arranged on the mounting box (22), and a threaded hole (231) is formed in the top end of the sleeve (23);
the top of supporting shoe (24) is provided with a plurality of vertical ejector pin (241), and the length of ejector pin (241) equals, and supporting shoe (24) below is provided with vertical threaded rod (242), and threaded rod (242) of supporting shoe (24) screw mounting is in screw hole (231) of sleeve (23).
7. The automatic welding device for printed board assemblies according to claim 1, wherein the clamping block (32) comprises a moving box (321) and a rubber column (322), the rubber column (322) is vertically arranged on one side of the moving box (321) facing the supporting unit (2), a slot (323) which vertically extends is arranged on the periphery of the rubber column (322), and the rubber column (322) is inserted into an insertion shell (324) arranged on one side of the moving box (321) through the slot (323);
the moving box (321) is slidably mounted in a limiting slide rail (35) arranged on one side of the rotating box (31) towards the supporting unit (2), and the limiting slide rail (35) extends along a horizontal direction perpendicular to the moving direction of the working end of the second linear driver (33).
8. The automatic welding device for printed board assemblies according to claim 7, wherein a second guide rod (325) horizontally extending perpendicular to the length direction of the limit sliding rail (35) is arranged on one side of the insertion shell (324) facing the moving box (321), the second guide rod (325) is inserted into the shaft rod (311), a spring (326) is sleeved on the second guide rod (325), the spring (326) is elastically connected with the insertion shell (324) and the moving box (321), and the elastic force of the spring (326) enables the insertion shell (324) to move towards the supporting unit (2);
One end of the second guide rod (325) extending to the outside of the movable box (321) is provided with a limiting head (327), the diameter of the limiting head (327) is larger than that of the second guide rod (325), and the limiting head (327) is attached to the position of the rubber column (322) on one side of the movable box (321) away from the rubber column (322) under the action of the elastic force of a spring (326).
9. The automatic welding device for the printed board assembly according to claim 7, wherein a rotary driver (315) is further arranged in the rotary box (31), a second gear (316) is coaxially arranged at the working end of the rotary driver (315), the second gear (316) is inserted into the limiting slide rail (35), the second gear (316) is positioned at the center of the limiting slide rail (35), the axis of the second gear (316) is horizontally arranged parallel to the moving path of the support plate (331), second racks (328) are respectively arranged on one side of the two moving boxes (321) facing the second gear (316), the second racks (328) are positioned on the upper side and the lower side of the second gear (316) and are in meshed connection with the second gear (316), and the rotary driver (315) drives the second gear (316) to rotate so as to drive the moving boxes (321) to move in the limiting slide rail (35);
The oblique limiting plates (329) which are obliquely extended away from the axis of the rotary driver (315) are arranged on the plug-in mounting shell (324) in the same limiting slide rail (35), the oblique limiting plates (329) on two sides of the axis of the rotary driver (315) are symmetrically arranged, and two sides of the printed board are attached to the inner walls of the oblique limiting plates (329) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410382474.0A CN117961391B (en) | 2024-04-01 | 2024-04-01 | Automatic welding device for printed board assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410382474.0A CN117961391B (en) | 2024-04-01 | 2024-04-01 | Automatic welding device for printed board assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117961391A true CN117961391A (en) | 2024-05-03 |
| CN117961391B CN117961391B (en) | 2024-05-31 |
Family
ID=90846478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410382474.0A Active CN117961391B (en) | 2024-04-01 | 2024-04-01 | Automatic welding device for printed board assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117961391B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889665A (en) * | 2015-07-09 | 2015-09-09 | 天津七一二通信广播有限公司 | Rotatable tooling for clamping multiple printed boards and use method of rotatable tooling |
| CN111761161A (en) * | 2020-07-07 | 2020-10-13 | 成都宏明电子股份有限公司 | Welding device for printed board assembly of power filter |
| CN214869297U (en) * | 2021-07-28 | 2021-11-26 | 山东瑞博电机有限公司 | Asynchronous motor terminal box border processing mechanism |
| CN216882184U (en) * | 2021-12-29 | 2022-07-05 | 绵阳四联电子科技有限公司 | Stable in structure's PCB board electronic component welding is with automatic turning device |
| CN218253312U (en) * | 2022-09-17 | 2023-01-10 | 涿州市君航电子科技有限公司 | Printed board plug-in mounting welding shift table |
| CN116441837A (en) * | 2023-05-23 | 2023-07-18 | 重庆山朕科技发展有限公司 | Turning device is used in welding of car sheet metal component |
| CN116810155A (en) * | 2023-08-01 | 2023-09-29 | 安徽晶科玻璃有限公司 | Welding positioning equipment for aluminum alloy door and window sheet metal machining |
| WO2023207239A1 (en) * | 2022-04-27 | 2023-11-02 | 无锡先导智能装备股份有限公司 | Welding apparatus |
-
2024
- 2024-04-01 CN CN202410382474.0A patent/CN117961391B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889665A (en) * | 2015-07-09 | 2015-09-09 | 天津七一二通信广播有限公司 | Rotatable tooling for clamping multiple printed boards and use method of rotatable tooling |
| CN111761161A (en) * | 2020-07-07 | 2020-10-13 | 成都宏明电子股份有限公司 | Welding device for printed board assembly of power filter |
| CN214869297U (en) * | 2021-07-28 | 2021-11-26 | 山东瑞博电机有限公司 | Asynchronous motor terminal box border processing mechanism |
| CN216882184U (en) * | 2021-12-29 | 2022-07-05 | 绵阳四联电子科技有限公司 | Stable in structure's PCB board electronic component welding is with automatic turning device |
| WO2023207239A1 (en) * | 2022-04-27 | 2023-11-02 | 无锡先导智能装备股份有限公司 | Welding apparatus |
| CN218253312U (en) * | 2022-09-17 | 2023-01-10 | 涿州市君航电子科技有限公司 | Printed board plug-in mounting welding shift table |
| CN116441837A (en) * | 2023-05-23 | 2023-07-18 | 重庆山朕科技发展有限公司 | Turning device is used in welding of car sheet metal component |
| CN116810155A (en) * | 2023-08-01 | 2023-09-29 | 安徽晶科玻璃有限公司 | Welding positioning equipment for aluminum alloy door and window sheet metal machining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117961391B (en) | 2024-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW484346B (en) | Mounting head of surface mounting apparatus | |
| CN218103698U (en) | Anti-displacement chip mounting device of SMT chip mounter | |
| CN117961391B (en) | Automatic welding device for printed board assembly | |
| JP2011036097A (en) | Head device for cable wiring and cable wiring device | |
| CN211680440U (en) | Positioning fixture for welding circuit board | |
| CN117564465A (en) | Laser welding device for battery shell | |
| CN115846790B (en) | Automatic change selectivity crest welder | |
| CN110026946B (en) | But device of quick replacement tool | |
| CN218253649U (en) | Clamping and fixing mechanism of welding device for processing copper artware | |
| CN210060994U (en) | Device capable of rapidly replacing jig | |
| CN216087432U (en) | SMT paster anchor clamps | |
| CN214236668U (en) | Circuit board welding device | |
| CN216803213U (en) | Electric binding post's processingequipment | |
| CN110640250B (en) | Wire rod emptying device for automatic tin soldering machine | |
| CN216626238U (en) | Circuit board SMT pastes dress and uses tool | |
| CN109093545B (en) | Circuit board maintenance positioning platform | |
| CN221081681U (en) | Auxiliary welding jig for PCB (printed Circuit Board) | |
| CN216912732U (en) | Welding device for paster processing | |
| CN214481526U (en) | PCBA mounting tool convenient to location | |
| US6901656B2 (en) | Position control apparatus of feeder stage in surface mount device | |
| CN214751112U (en) | Cloth wrapping equipment | |
| CN219612342U (en) | Electronic circuit board supporting device | |
| CN217296208U (en) | Chip feeding mechanism | |
| KR20000065289A (en) | Mounter Head of Surface Mounting Apparatus | |
| CN214978343U (en) | Handheld copper wire feeding device for PCB (printed circuit board) line repair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |