CN118143598A - Distribution structure and circuit board assembly end cover equipment - Google Patents

Abstract

The invention relates to a distribution structure and end cover assembly equipment for a circuit board, wherein the distribution structure comprises a vibration disc, a base table and a pushing assembly, wherein the vibration disc is provided with a discharging guide rail; the pushing component comprises a rotating block, the rotating block is rotationally connected with the base, a power part is arranged on the base, a power output end of the power part is connected with the rotating block, a first lifting part is arranged at the bottom of the rotating block, a first connecting end of the first lifting part is connected with the rotating block, a second connecting end of the first lifting part is connected with an inserting rod, a nut is conveyed into a chute from an outlet of a discharging guide rail, the power part drives the rotating block to rotate to the upper side of the nut, the first lifting part drives the inserting rod to move downwards to be inserted into a central through hole of the nut, the power part drives the rotating block to reversely rotate to convey the nut from the chute to a position to be installed, and when the nut is conveyed to a designated position, the central hole of the nut is guaranteed to be aligned with a hole position of a circuit board to be installed, so that the positioning of the conveying position of the nut is accurate.

Description

Distribution structure and circuit board assembly end cover equipment

Technical Field

The invention relates to the technical field of circuit board assembly equipment, in particular to a distribution structure and circuit board assembly end cover equipment.

Background

The circuit board is an installation carrier of electronic components, and after various electronic components are installed, the circuit board needs to be installed in the shell, and the shell is used for isolating the circuit board from the inside and the outside, so that the circuit board is protected.

In the process of mounting the circuit board to the housing, firstly, an end cover is mounted on the end side of the circuit board, then, the end cover and the circuit board are connected by using screws and nuts, and finally, the circuit board is extended into the housing and the end cover is fixed on the housing.

At present, for assembling an end cover on a circuit board with the shape, a nut needs to be conveyed to the position of a screw hole during installation, and the existing nut conveying mechanism is inaccurate in positioning of the conveying position of the nut, so that a central through hole of the nut cannot be aligned with the screw hole of the circuit board, the circuit board cannot be assembled smoothly, production efficiency is influenced, and meanwhile product assembly quality is also influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the distribution structure and the circuit board end cover assembly equipment provided by the invention have the advantages that the central hole of the nut can be aligned with the hole site of the position to be installed by positioning the central hole of the nut in the nut conveying process, so that the circuit board is ensured to be installed smoothly.

The invention provides a distribution structure, which comprises a vibration plate, wherein the vibration plate is provided with a discharging guide rail, and the distribution structure further comprises:

The base station is provided with a chute, the chute is arc-shaped, one end of the chute is provided with an inlet, the other end of the chute is provided with an outlet, the discharging guide rail is communicated with the inlet of the chute, and the communicating position is the tangential point position of the chute;

the pushing assembly comprises a rotating block, the rotating block is rotationally connected with the base station, the rotating center is coaxial with the circular arc-shaped chute, a power part is arranged on the base station and is provided with a power output end, the power output end is connected with the rotating block and is used for driving the rotating block to rotate, a first lifting part is arranged at the eccentric position of the rotating block and is provided with a first connecting end and a second connecting end, the first connecting end is fixedly connected with the rotating block, the second connecting end is fixedly connected with an inserting rod, and the inserting rod is positioned above the chute;

The vibration disc is used for conveying nuts, the nuts are conveyed into the sliding grooves from the discharging guide rail, the power part drives the rotary block to rotate to the upper side of the nuts, the first lifting part drives the inserting rod to move downwards to be inserted into the central through hole of the nuts, and the power part drives the rotary block to reversely rotate to convey the nuts to the position to be installed from the outlet of the sliding grooves.

Preferably, the power part comprises a telescopic cylinder, one end of the telescopic cylinder is hinged with the base station, and the other end of the telescopic cylinder is hinged with one side of the rotary block, which is away from the inserted link.

Preferably, an intersection point is arranged between the sliding groove and the inserted link, the sliding groove is provided with a tangent line, the tangent line passes through the intersection point, and when the rotary block rotates to the middle position of the sliding groove when the inserted link is positioned at the middle position of the sliding groove, the length direction of the telescopic cylinder is parallel to the tangent line.

Preferably, the chute is provided with a material blocking assembly, the material blocking assembly comprises a material blocking plate, the material blocking plate is movably arranged on one side, close to the entrance of the chute, in the chute, a second lifting part is arranged on the base station, the second lifting part is provided with a lifting end, and the lifting end is fixedly connected with the material blocking plate and used for driving the material blocking plate to lift.

Preferably, the bottom of spout has offered the export that withdraws from, and the exit is used for making the striker plate withdraw from the spout, the lift end of second elevating part is located the bottom of base station, the bottom fixed connection of lift end and striker plate, the striker plate is along with the lift end when removing to the position of lowest, the top surface of striker plate and the interior bottom surface of spout are located same horizontal plane.

Preferably, one side of the base station is provided with a mounting column, the mounting column is located at the outlet end of the sliding groove, the top of the mounting column is provided with a limiting groove, the limiting groove is used for placing a nut, the limiting groove is provided with a top surface, the outlet of the sliding groove is provided with an inner bottom surface, and the position of the top surface is lower than that of the inner bottom surface.

Preferably, the mobile control device further comprises a mobile control assembly for moving the position of the base station, the mobile control assembly comprises a supporting seat, a screw rod is rotatably arranged on the supporting seat, one end of the screw rod is connected with a first control motor, a sliding table is arranged on the supporting seat, the sliding table is in sliding connection with the supporting seat, the sliding direction is the length direction of the screw rod, a nut seat is connected to the screw rod in a threaded manner, the nut seat is fixedly connected with the sliding table, the base station is fixedly arranged on the supporting seat, and the mounting column is fixedly arranged on the sliding table.

Preferably, the support seat is provided with a guide rail, the length direction of the guide rail is parallel to the length direction of the wire rod, the sliding table is fixedly connected with a sliding block, and the sliding block is in sliding connection with the guide rail.

A circuit board assembly end cap apparatus includes a dispensing structure.

Compared with the prior art, the distribution structure and the circuit board assembly end cover equipment provided by the invention have the beneficial effects that:

1. According to the invention, the discharging guide rail of the vibration disc is communicated with the chute, the inserted link is inserted into the central through hole of the nut after the nut is conveyed into the chute from the discharging guide rail, and the rotary block drives the inserted link to rotate, so that the moving path of the inserted link is identical with the path of the chute, and the inserted link conveys the nut out of the chute to the position to be installed, and in the conveying process, the central hole of the nut is positioned, so that the central hole of the nut is aligned with the hole position of the circuit board to be installed when the nut is conveyed to the designated position, the conveying position of the nut is positioned accurately, the smooth installation of the circuit board is ensured, and the production efficiency is ensured.

2. According to the invention, the nut entering the chute can be blocked by arranging the blocking component, so that only one nut can enter at a time, the initial position of the nut entering the chute is fixed, the inserted rod is conveniently inserted into the central hole of the nut, the production efficiency is further improved, and the installation column and the limiting groove are arranged, so that the nut can be conveniently moved to the installation position for installation.

3. The nut distribution device is provided with the movement control assembly, and the position of the base station is adjusted through the movement control assembly, so that nuts can be conveniently distributed to the designated position.

Drawings

FIG. 1 is a schematic view of the dispensing structure of embodiment 1 at a first viewing angle;

FIG. 2 is a schematic view of the dispensing structure of embodiment 1 at a second viewing angle;

FIG. 3 is a schematic view of the structure of the base station of embodiment 1;

FIG. 4 is a partial enlarged view at B in FIG. 2;

fig. 5 is a schematic view of the installation position of the sliding table in embodiment 1;

fig. 6 is a front view of the circuit board-mounted end cap apparatus of embodiment 2;

fig. 7 is a schematic view of the structure of a gantry of embodiment 2;

fig. 8 is a diagram showing the fit of the portal frame rail seat and the vertical beam of example 2.

Reference numerals illustrate:

1. The circuit board and the end cover are automatically clamped; 2. a circuit board feeding structure; 3. a dispensing structure; 31. a sliding table; 32. a mounting column; 33. a movement control assembly; 330. a support base; 331. a screw rod; 332. a nut seat; 334. a connecting plate; 335. a guide rail; 336. a sliding block; 337. a first control motor; 338. a relief hole; 34. a vibration plate; 35. a guide rail; 36. a base station; 361. a chute; 362. an exit port; 363. a through hole; 37. a striker plate; 38. a second lifting part; 39. a pushing assembly; 391. a swivel block; 392. a rod; 393. a lifting cylinder; 394. a push-pull head; 395. a telescopic cylinder; 4. an automatic screw locking machine; 41. a portal frame; 410. a cross beam; 411. a vertical beam; 412. a slide rail seat; 413. a slide rail; 414. a driving wheel; 415. driven wheel; 416. a belt; 417. a slide block; 418. a fixing plate; 419. a second control motor; 42. a lateral moving block; 43. a screw mechanism; 5. screw feeder.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to fig. 1 to 8, but it should be understood that the scope of the present invention is not limited by the specific embodiments.

Example 1

As shown in fig. 1 to 5, the present embodiment provides a dispensing structure for dispensing nuts, which includes a vibration plate 34 having a discharge rail 35, a base 36, and a pushing assembly 39. The base 36 is provided with a chute 361, as shown in fig. 3, the chute 361 is arc-shaped, one end of the chute 361 is provided with an inlet, the other end is provided with an outlet, the discharging guide rail 35 is communicated with the inlet of the chute 361, and the communication point is the tangent point of the chute 361; as shown in fig. 4, the pushing component 39 includes a rotating block 391, and is rotatably connected with the base 36, and the rotation center is coaxial with the circular arc chute 361, a power portion is provided on the base 36, the power portion has a power output end, the power output end is connected with the rotating block 391 for driving the rotating block 391 to rotate, a first lifting portion is provided at a bottom of one end of the rotating block 391 away from the rotation center, the first lifting portion has a first connection end and a second connection end, the first connection end is fixedly connected with the rotating block 391, and the second connection end is fixedly connected with the inserting rod 392.

The vibration disk 34 is used for conveying nuts, the nuts are conveyed into the sliding groove 361 from the outlet of the discharging guide rail 35, the power part drives the turning block 391 to rotate to the upper side of the nuts, the first lifting part drives the inserting rod 392 to move downwards to be inserted into the central through hole of the nuts, and the power part drives the turning block 391 to reversely rotate to convey the nuts to the position to be installed from the outlet of the sliding groove 361.

The vibration plate 34 automatically, orderly, directionally and accurately conveys unordered nuts to the inlet of the discharging guide rail 35 through vibration, and the ordered nuts reach the circular arc-shaped chute 361 of the base 36 through the discharging guide rail 35.

The first lifting part comprises a lifting cylinder 393, a plunger rod 392 and a lifting cylinder 393 which are connected, the rotation path of the plunger rod 392 is overlapped with the path of the circular arc chute 361,

In this embodiment, as shown in fig. 4, the power unit includes a push-pull head 394 hinged to the turning block 391, and a telescopic cylinder 395 connected to the push-pull head 394, wherein a piston rod of the telescopic cylinder 395 is fixedly connected to the push-pull head 394, and a cylinder body of the telescopic cylinder 395 is hinged to the base 36, and when the telescopic cylinder 395 pushes the turning block 391 to rotate. When the sliding table 31 is reset, the stop block driving device works, the stop plate 37 descends, at this time, the inserting rod 392 is rapidly inserted into the central hole of the nut under the control of the inserting rod lifting control mechanism, then the power part acts to drive the turning block 391 to turn, the nut is sent to the limiting groove 321, meanwhile, the stop plate 37 is rapidly reset under the action of the second lifting part 38, the other nuts are blocked to enable one nut to enter at a time, the initial position of the nut entering the sliding groove is fixed, and the inserting rod is conveniently inserted into the central hole of the nut.

In order to improve the effort of the telescopic cylinder 395 in pushing the turning block 391, an intersecting point is formed between the sliding groove 361 and the inserting rod 392, the sliding groove 361 is provided with a tangent line, the tangent line passes through the intersecting point, and when the turning block 391 is turned to the middle position of the inserting rod 392 in the sliding groove 361, the length direction of the telescopic cylinder 395 is parallel to the tangent line.

Further, a material blocking component is arranged on the chute 361, the material blocking component comprises a material blocking plate 37, the material blocking plate 37 is movably arranged on one side, close to an inlet of the chute 361, a second lifting portion 38 is arranged on the base 36, the second lifting portion 38 is provided with a lifting end, and the lifting end is fixedly connected with the material blocking plate 37 and used for driving the material blocking plate 37 to lift.

The second elevating portion 38 controls the elevation and lowering of the striker plate 37, which can selectively drive the cylinder.

Further, as shown in fig. 4, the bottom of the chute 361 is provided with a withdrawal opening 362, the withdrawal opening 362 is used for withdrawing the striker plate 37 from the chute 361, the lifting end of the second lifting portion 38 is located at the bottom of the base 36, the lifting end is fixedly connected with the bottom of the striker plate 37, and when the striker plate 37 moves to the lowest position along with the lifting end, the top surface of the striker plate 37 and the inner bottom surface of the chute 361 are located at the same horizontal plane.

The base 36 is also provided with a through hole 363, a piston rod of the driving cylinder penetrates through the through hole 363, and the bottom of the striker plate 37 is connected with the piston rod of the driving cylinder through a connecting plate.

Further, as shown in fig. 4, a mounting post 32 is disposed on one side of the base 36, the mounting post 32 is located at an outlet end of the sliding chute 361, a limiting groove 321 is disposed on a top of the mounting post 32, the limiting groove 321 is used for placing a nut, the limiting groove 321 has a top surface, an outlet of the sliding chute 361 has an inner bottom surface, and the top surface is lower than the inner bottom surface.

The limiting groove 321 is used for placing a nut, and the height of the mounting post 32 is lower than the horizontal height of the receiving groove 13 when the front surface of the circuit board is turned to a downward to-be-assembled state.

For the convenience to distribute the nut to the assigned position, still include the removal control module 33, the removal control module 33 is lead screw moving mechanism, be used for removing the position of base 36, as shown in fig. 5, the removal control module 33 includes supporting seat 330, the rotating frame is equipped with lead screw 331 on the supporting seat 330, the one end of lead screw 331 is connected with first control motor 337, be provided with slip table 31 on the supporting seat 330, slip table 31 and supporting seat 330 sliding connection, and the slip direction is the length direction of lead screw 331, threaded connection has nut seat 332 on the lead screw 331, nut seat 332 and slip table 31 fixed connection, base 36 fixed setting is on supporting seat 330, the erection column 32 fixed setting is on slip table 31, be provided with guided way 335 on the supporting seat 330, guided way 335's length direction is parallel with the length direction of lead screw 331, slip table 31 fixedly connected with sliding block 336, sliding block 336 and guided way 335 sliding connection.

The first control motor 337 can be a servo motor, the number of the guide rails 335 is two, the guide rails are symmetrically arranged on the supporting seat 330, the supporting seat 330 is provided with a yielding hole 338 for yielding the connecting plate 334, the connecting plate 334 penetrates through the yielding hole 338, the connecting plate 334 is connected with the nut seat 332 and the sliding table 31, and the yielding hole 338 provides a movement space for the connecting plate 334.

Principle of operation

When the nuts are in a to-be-dispensed state, the second lifting part 38 works, the driving cylinder of the second lifting part 38 drives the striker plate 37 to descend, at this time, the lifting cylinder 393 works to drive the inserted rod 392 to be rapidly inserted into the center hole of the nuts, the telescopic cylinder 395 drives the rotary block 391 to rotate, the rotary block 391 drives the inserted rod 392 to move along the direction of the sliding groove 361, the nuts are sent out from the outlet of the sliding groove 361 and are sent into the limiting groove 321, meanwhile, the driving cylinder of the second lifting part 38 drives the striker plate 37 to move upwards, the striker plate 37 is quickly reset, the rest nuts are blocked, only one nut can enter the sliding groove 361 at a time, the first control motor 337 acts to drive the screw rod 331 to rotate, the screw rod 331 drives the nut seat 332 to move, the sliding table 31 moves synchronously with the nut seat 332, the mounting column 32 moves along with the sliding table 31, finally the nuts in the limiting groove 321 are aligned with the screw holes, and accordingly, the nuts are dispensed after the screw locking is completed, the first control motor 337 reversely rotates to drive the sliding table 31 to reset. And repeating the steps to realize the cyclic conveying of the nuts.

Example 2

As shown in fig. 6, on the basis of embodiment 1, the invention provides a circuit board end cover assembling device, which further comprises a circuit board feeding structure 2, a circuit board and end cover clamping structure 1, a screw feeder 5 and an automatic screw locking machine 4, wherein the screw feeder 5 and the automatic screw locking machine 4 are all existing devices, the screw feeder 5 is provided with a feeding outlet, the automatic screw locking machine 4 is provided with an inlet, the feeding outlet of the screw feeder 5 is connected with the inlet of the automatic screw locking machine 4 through a conveying pipe, and the automatic screw locking machine loads screws into corresponding screw holes from top to bottom, so that the end cover is fixed on the circuit board.

The number of the automatic clamping structures 1 for the circuit board and the end cover is two, and the automatic clamping structures are distributed along the transverse direction. As shown in fig. 7, the automatic screw locking machine 4 includes a portal frame 41, a transverse moving block 42 disposed on the portal frame 41, and a screw locking mechanism 43 disposed on the transverse moving block 42, wherein the portal frame 41 includes a pair of vertical beams 411, and a cross beam 410 disposed between the vertical beams 411, the transverse moving block 42 is slidably disposed on the cross beam 410, the transverse moving block 42 can implement transverse movement through an air cylinder, and the air cylinder sends the screw locking mechanism 43 to the two circuit boards and the end cover automatic clamping structure 1 during the process and the return stroke, the screw locking mechanism 43 is in the prior art, and can adopt a vertical screw locking mechanism in the CN201921218890.8 full automatic screw locking machine 4, in this embodiment, the screw locking mechanism 43 changes the transverse position through the transverse movement of the transverse moving block 42, so as to implement the screw locking action on the two circuit boards in the transverse direction and the circuit boards on the end cover automatic clamping structure 1.

As shown in fig. 8, portal frame rail bases 412 are disposed on the sides of the two vertical beams 411, the portal frame rail bases 412 are provided with mounting cavities, sliding rails 413, driving wheels 414, driven wheels 415, belts 416 disposed on the driving wheels 414 and the driven wheels 415, and sliding blocks 417 disposed on the vertical beams 411 and limited on the sliding rails 413 are disposed in the mounting cavities, the number of the sliding rails 413 is two, the driving wheels 414 and the driven wheels 415 are in the same diameter and in the same height, fixing plates 418 connected with the belts 416 are further disposed on the vertical beams 411, the driving wheels 414 are connected with second control motors 419, the second control motors 419 control the driving wheels 414 to rotate through the driving wheels 414, the belts 416 move, the vertical beams 411 are driven to do linear motion when the belts 416 move, and therefore the positions of the screw locking mechanisms 43 are adjusted, and accurate alignment of screw holes can be ensured.

Principle of operation

The automatic assembly end cover equipment for the circuit board sequentially completes the process steps of automatic conveying of the circuit board, automatic clamping of the end cover on the circuit board, automatic screw locking and the like, and simultaneously completes automatic screw supply during automatic screw locking, no manual participation exists in the whole process, the assembly efficiency is high, and the production efficiency is high.

The foregoing disclosure is merely illustrative of preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.

Claims (9)

1. A dispensing structure comprising a vibrating tray (34) having a discharge rail (35), characterized in that it further comprises:

The base table (36), a chute (361) is formed in the base table (36), the chute (361) is arc-shaped, an inlet is formed in one end of the chute (361), an outlet is formed in the other end of the chute (361), the discharging guide rail (35) is communicated with the inlet of the chute (361), and the communicating position is the tangential point position of the chute (361);

The pushing assembly (39), the pushing assembly (39) comprises a rotating block (391), is rotationally connected with the base station (36), the rotation center is coaxial with the circular arc-shaped chute (361), a power part is arranged on the base station (36), the power part is provided with a power output end, the power output end is connected with the rotating block (391) and used for driving the rotating block (391) to rotate, a first lifting part is arranged at the eccentric position of the rotating block (391), the first lifting part is provided with a first connecting end and a second connecting end, the first connecting end is fixedly connected with the rotating block (391), the second connecting end is fixedly connected with an inserting rod (392), and the inserting rod (392) is positioned above the chute (361);

The vibrating disk (34) is used for conveying nuts, the nuts are conveyed into the sliding groove (361) from the discharging guide rail (35), the power part drives the rotary block (391) to rotate to the upper side of the nuts, the first lifting part drives the inserting rod (392) to move downwards to be inserted into the central through hole of the nuts, and the power part drives the rotary block (391) to reversely rotate to convey the nuts to the position to be installed from the outlet of the sliding groove (361).

2. A dispensing structure according to claim 1, characterized in that the power section comprises a telescopic cylinder (395), one end of the telescopic cylinder (395) being hinged to the base (36) and the other end being hinged to the side of the turning block (391) facing away from the insert rod (392).

3. A dispensing structure according to claim 2, characterized in that the chute (361) and the plunger (392) have an intersection point therebetween, the chute (361) having a tangent line passing through the intersection point, the length direction of the telescopic cylinder (395) being parallel to the tangent line when the turning block (391) is turned until the plunger (392) is in the middle position of the chute (361).

4. A dispensing structure according to claim 1, characterized in that the chute (361) is provided with a material blocking assembly, the material blocking assembly comprises a material blocking plate (37), the material blocking plate (37) is movably arranged on one side, close to the inlet of the chute (361), the base (36) is provided with a second lifting part (38), the second lifting part (38) is provided with a lifting end, and the lifting end is fixedly connected with the material blocking plate (37) and used for driving the material blocking plate (37) to lift.

5. The distributing structure according to claim 4, wherein the bottom of the chute (361) is provided with an exit (362), the exit (362) is used for allowing the striker plate (37) to exit the chute (361), the lifting end of the second lifting portion (38) is located at the bottom of the base (36), the lifting end is fixedly connected with the bottom of the striker plate (37), and when the striker plate (37) moves to the lowest position along with the lifting end, the top surface of the striker plate (37) and the inner bottom surface of the chute (361) are located at the same horizontal plane.

6. A dispensing structure according to claim 5, characterized in that a mounting post (32) is provided on one side of the base (36), the mounting post (32) is located at the outlet end of the chute (361), a limit groove (321) is provided at the top of the mounting post (32), the limit groove (321) is used for placing a nut, the limit groove (321) has a top surface, the outlet of the chute (361) has an inner bottom surface, and the top surface is located at a position lower than the inner bottom surface.

7. The dispensing structure of claim 6, further comprising a movement control assembly (33) for moving the position of the base (36), wherein the movement control assembly (33) comprises a support base (330), a screw rod (331) is rotatably mounted on the support base (330), one end of the screw rod (331) is connected with a first control motor (337), a sliding table (31) is arranged on the support base (330), the sliding table (31) is slidably connected with the support base (330), the sliding direction is the length direction of the screw rod (331), a nut base (332) is in threaded connection with the screw rod (331), the nut base (332) is fixedly connected with the sliding table (31), the base (36) is fixedly arranged on the support base (330), and the mounting column (32) is fixedly arranged on the sliding table (31).

8. The dispensing structure of claim 7, wherein the support base (330) is provided with a guide rail (335), the length direction of the guide rail (335) is parallel to the length direction of the screw rod (331), the sliding table (31) is fixedly connected with a sliding block (336), and the sliding block (336) is slidably connected with the guide rail (335).

9. A circuit board mounted end cap apparatus comprising the dispensing structure of any one of claims 1-8.