CN210418313U

CN210418313U - Automatic plate feeding machine

Info

Publication number: CN210418313U
Application number: CN201921255983.8U
Authority: CN
Inventors: 周路遥; 周林
Original assignee: Shenzhen Desen Precision Machine Co ltd
Current assignee: Shenzhen Desen Precision Machine Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-28
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses an automatic go up trigger, this automatic go up trigger includes that frame, two intervals set up advance trigger structure on the frame and be located two advance trigger structure between the trigger structure send trigger structure, two inject the storage plate space that is used for placing the circuit board between the trigger structure, advance trigger structure and include the base, vertically arrange annular conveying subassembly on the base is in with the setting work or material rest on the annular conveying subassembly, the work or material rest can be in annular motion is done along vertical direction under annular conveying subassembly's the drive, be provided with the draw-in groove of a plurality of spaced-apart so that are used for the card to hold the circuit board on the work or material rest, at least one end is equipped with in the both ends of draw-in groove on the horizontal direction and is used for the business turn over of circuit board the opening of draw-in groove, it includes the mount pad and sets up to send trigger structure on the mount pad and can follow. The utility model discloses automatic board loading machine can effectually alleviate workman's intensity of labour.

Description

Automatic plate feeding machine

Technical Field

The utility model relates to a circuit board processing technology field, concretely relates to automatic board feeding machine.

Background

A circuit board, a board body for integrating electronic components, is widely used in modern electronic equipment.

As is well known, before mounting electronic components, a circuit board is placed on a conveyor belt, and the circuit board is conveyed to a designated position by the conveyor belt, so that each electronic component is mounted on the circuit board.

However, in the existing circuit board production line, the circuit boards are manually placed on the conveyor belt one by one, and the plate loading manner causes great labor intensity and high labor cost for workers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an automatic plate feeding machine to solve the big technical problem of workman intensity of labour because of current artifical plate feeding mode exists.

In order to solve the technical problem, the utility model provides an automatic board feeding machine, which comprises a machine base, two board feeding mechanisms arranged on the machine base at intervals and a board feeding mechanism positioned between the two board feeding mechanisms, wherein a board storage space for placing a circuit board is limited between the two board feeding mechanisms, the plate feeding mechanism comprises a base, an annular conveying component vertically arranged on the base and a material rack arranged on the annular conveying component, the material rack can do circular motion along the vertical direction under the driving of the circular conveying component, a plurality of clamping grooves which are spaced and used for clamping the circuit board are arranged on the material rack, at least one of the two ends of the card slot in the horizontal direction is provided with an opening for the circuit board to enter and exit the card slot, the plate conveying mechanism comprises an installation seat and a push block which is arranged on the installation seat and can move along the direction of the plate outlet.

Preferably, the automatic board loading machine further comprises a circuit board detection mechanism, the circuit board detection mechanism comprises a rod body arranged on the base, a baffle plate connected with the rod body and a photoelectric sensor used for generating a control signal, the rod body can move downwards to a preset position under the pressure action of the circuit board, and the baffle plate is used for shielding an optical signal sent by the photoelectric sensor.

Preferably, annular conveying subassembly includes that two front and back interval arrangements's mounting panel, two are from top to bottom the interval set up first drive wheel on the mounting panel, with two first conveyer belt that first drive wheel is connected with be used for the drive the first motor of first conveyer belt is located through first pivot connection between the two first drive wheels of the same end of mounting panel, first pivot with the output shaft of first motor.

Preferably, the plate conveying mechanism further comprises two second transmission wheels arranged on the mounting seat at intervals in the front-back direction of the plate outlet, a second conveyor belt connected with the two second transmission wheels, a driving wheel located below the second conveyor belt and connected with the second conveyor belt, a second rotating shaft used for driving the driving wheel to rotate and a second motor used for driving the second rotating shaft to rotate, an output shaft of the second motor is connected with the second rotating shaft, and the second conveyor belt is connected with the pushing block.

Preferably, the board feeding mechanism further comprises a stop block which is arranged on the second conveyor belt and is spaced from the push block by a preset distance, and a fixing space for accommodating the circuit board is defined between the adjacent push block and the stop block.

Preferably, at least one of the two plate feeding mechanisms is movably arranged on the base, the automatic plate feeding machine further comprises a width adjusting mechanism for adjusting the distance between the two plate feeding mechanisms, the width adjusting mechanism comprises a third motor and at least one lead screw, a screw of the lead screw is connected with an output shaft of the third motor, the lead screw and the third motor are arranged on the base, and a nut of the lead screw is connected with the movable one of the two plate feeding mechanisms.

Preferably, the lead screw sets up to three, and two of them back and forth intervals set up the below of base, another setting is in the top of base, be located the nut of two lead screws of base below respectively with two mobilizable one in the base is connected, be located the nut of the lead screw of base top is connected with the top of mobilizable one in two annular conveying component.

Preferably, the width adjusting mechanism further comprises a second screw rod arranged between the two vertical plates and located above the first screw rod, and a second nut seat sleeved on the second screw rod, and the second nut seat is connected with the top end of the conveying assembly.

Preferably, the automatic plate loading machine further comprises a position adjusting mechanism, the position adjusting mechanism comprises two sliding rods arranged on the base at intervals, a shaft sleeve rotatably arranged on the sliding rods, and a locking piece used for locking the shaft sleeve, and the shaft sleeve is fixedly arranged on the mounting seat.

The embodiment of the utility model provides a beneficial effect lies in: the two sides of the circuit board are inserted into the corresponding clamping grooves, so that the circuit board can be stacked in the vertical direction, and the circuit board moves towards the direction close to the base under the driving of the annular conveying assembly during feeding. When the circuit board descends to the base, the pushing block is driven to move along the direction of the board outlet so as to convey the circuit board to the preset position. The utility model provides an automatic trigger of going up can pile up the circuit board and place in the storage board space that two advance the board mechanism to inject, then by advancing the board mechanism with the whereabouts of circuit board piece to the base on, carry the circuit board to predetermineeing the position by sending the board mechanism again, so, the workman then need not constantly at the other material loading that waits of equipment to greatly reduced workman's intensity of labour.

Drawings

FIG. 1 is a schematic structural view of an embodiment of an automatic plate loader according to the present invention;

FIG. 2 is a top view of the automatic plate loader of the present invention;

FIG. 3 is a schematic structural view of a plate feeding mechanism of the automatic plate feeding machine of the present invention;

fig. 4 is a schematic structural view of a circuit board detection mechanism of the automatic board loading machine according to the present invention;

FIG. 5 is an enlarged view of a portion of the structure A shown in FIG. 4;

FIG. 6 is a schematic structural view of a plate feeding mechanism of the automatic plate feeding machine of the present invention;

fig. 7 is a structural diagram of the plate feeding mechanism of the automatic plate feeding machine of the present invention without assembling the second conveyor belt.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In order to solve the above technical problem, the present invention provides an automatic board feeding machine, referring to fig. 1, the automatic board feeding machine comprises a machine base 10, two board feeding mechanisms 20 disposed on the machine base 10 at intervals, and a board feeding mechanism 30 located between the two board feeding mechanisms 20, a board storage space for placing a circuit board is defined between the two board feeding mechanisms 20, the board feeding mechanism 20 includes a base 21, the circuit board feeding mechanism comprises an annular conveying assembly and a material rest 23, the annular conveying assembly is vertically arranged on a base 21, the material rest 23 is arranged on the annular conveying assembly and can move in an annular mode in the vertical direction under the driving of the annular conveying assembly, a plurality of clamping grooves which are spaced to be used for clamping a circuit board are formed in the material rest 23, at least one end of each of two ends of each clamping groove in the horizontal direction is provided with an opening for enabling the circuit board to enter and exit the clamping groove, and the board feeding mechanism 30 comprises a mounting seat 31 and a push block 32 which is arranged on the mounting seat 31 and can move in the direction.

In this embodiment, the width of draw-in groove and the thickness phase-match of circuit board to make the circuit board can the cartridge in the draw-in groove, simultaneously, guarantee that the circuit board is receiving the thrust of ejector pad 32 and is doing the effect, can follow in this draw-in groove and shift out towards the direction of board outlet. The endless conveying assembly is used for driving the circuit board to make reciprocating endless motion towards the machine base 10, so that the circuit board falls to a preset position, and the endless conveying assembly can be implemented by various driving methods, such as a synchronous pulley, a sprocket chain, a rack and pinion, and the like, including but not limited to this, and those skilled in the art can select the circuit board according to actual situations. Furthermore, the annular conveying assembly can be driven by a single motor or two motors, and it can be understood that the movement precision of the annular conveying assembly can be improved by adopting the two motors, so that the circuit board can be accurately parked at a preset position.

Further, the above-mentioned pushing block 32 can be driven by means of a motor screw, and can also be driven by means of a pulley, a chain sprocket or a rack and pinion, including but not limited to, which can be selected by those skilled in the art according to actual situations. Specifically, when the pushing block 32 is driven by a motor screw, the nut of the screw is connected with the pushing block 32, the motor rotates forward to drive the pushing block 32 to move along the direction of the plate outlet, and the motor rotates backward to drive the pushing block 32 to move along the direction of the plate inlet. When driven by a belt wheel, chain sprocket or rack and pinion, the push block 32 is connected to a synchronous belt, chain or rack to follow the movement of the synchronous belt, chain or rack in the circumferential direction.

The utility model provides an action principle of trigger in automation does: firstly, inserting circuit boards into each clamping groove manually or mechanically, and stacking a plurality of circuit boards in the vertical direction to achieve the purpose of storing boards; secondly, after the circuit board is fully inserted, the ring-shaped conveying assembly drives the material rack 23 to move downwards so as to convey the circuit board to a preset position; after the circuit board is conveyed to the preset position, the pushing block 32 pushes the circuit board to move towards the direction of the board outlet so as to convey the circuit board to the processing area; and then, after the previous circuit is conveyed to the processing area, the annular conveying assembly conveys the next circuit board to a preset position, and the operation is repeated in a circulating mode so as to realize the automatic feeding of the circuit board, thereby greatly reducing the labor intensity of workers.

In the above embodiment, the automatic board loading machine further includes a circuit board detection mechanism 40, referring to fig. 4 and 5, the circuit board detection mechanism 40 includes a rod 41 disposed on the base 21, a blocking plate 42 connected to the rod 41, and a photoelectric sensor 43 for generating a control signal, the rod 41 can move downward to a predetermined position under the pressure of the circuit board, and the blocking plate 42 is used for blocking a light signal emitted by the photoelectric sensor 43. The circuit board is driven by the transmission assembly to move towards the direction close to the base 10, and in the process, the circuit board contacts with the rod 41 and drives the rod 41 to move downwards. It will be understood that the downward movement of the rod 41 will inevitably bring the shutter 42 downward, and the downward movement of the shutter 42 will cause the light signal emitted from the emitting unit of the photo sensor 43 to be received by the receiving unit, thereby generating a control signal. Further, an elastic member, which may be a compression spring or a torsion spring, is disposed between the rod 41 and the base 21, so that the rod 41 can be elastically deformed under the pressure of the circuit board, and the rod 41 is reset by the elastic restoring force of the elastic member, so that the blocking plate 42 is located between the transmitting unit and the receiving unit of the photo sensor 43. Note that, in the initial state, the shutter 42 is located between the transmitting unit and the receiving unit of the sensor, and the sensor is preferably a groove-type photosensor 43.

Referring to fig. 2 and 3, in an embodiment of the present invention, the annular conveying assembly includes two mounting plates 221 arranged at intervals in a front-back direction, two first driving wheels 222 arranged on the mounting plates 221 at intervals in a vertical direction, a first conveying belt 223 connected to the two first driving wheels 222, and a first motor 224 used for driving the first conveying belt 223, the two first driving wheels 222 located at the same end of the mounting plates 221 are connected to each other through a first rotating shaft 225, and the first rotating shaft 225 is connected to an output shaft of the first motor 224. In this embodiment, two first driving wheels 222 are disposed at a predetermined distance in the extending direction of the mounting plate 221, the two first driving wheels are rotatably connected to the mounting plate 221, the two first driving wheels 222 are connected to each other through a first belt 223, the two first driving wheels 222 located at the same end of the mounting plate 221 are connected to each other through a first rotating shaft 225, and the first rotating shaft 225 is connected to the first motor 224 through a rack and pinion, a sprocket chain or a synchronous pulley. Specifically, the first motor 224 is disposed on one side of the mounting plate 221, and the first motor 224 drives the first rotating shaft 225 to rotate, and the first rotating shaft 225 rotates to drive the first conveyor belt 223 to rotate, so as to drive the material rest 23 to move along a direction close to the base 10. Further, the first driving wheel 222 and the first belt 223 may be a rack and pinion, a sprocket chain, a synchronous pulley, or the like, but not limited thereto, and may be set by those skilled in the art according to the actual situation.

Referring to fig. 6 and 7, in another embodiment of the present invention, the plate feeding mechanism 30 further includes two second driving wheels 33 disposed on the mounting base 31 along the plate outlet direction at front and back intervals, a second transmission belt 34 connected to the two second driving wheels 33, a driving wheel 35 located below the second transmission belt 34 and connected to the second transmission belt 34, a second rotating shaft 36 for driving the driving wheel 35 to rotate, and a second motor 37 for driving the second rotating shaft 36 to rotate, an output shaft of the second motor 37 is connected to the second rotating shaft 36, and the second transmission belt 34 is connected to the pushing block 32. In this embodiment, two second transmission wheels 33 are disposed on the mounting base 31 at intervals along the direction of the plate outlet, the two second transmission wheels 33 are connected to a second conveyor belt 34, the bottom end of the second conveyor belt 34 is connected to a driving wheel 35, the driving wheel 35 is fixedly disposed on a second rotating shaft 36, and the second rotating shaft 36 is connected to an output shaft of a second motor 37, so that the second conveyor belt 34 is driven by the second motor 37 to perform a reciprocating circular motion, thereby driving the pushing block 32 to perform a circular motion. Specifically, the second transmission wheel 33 is a sprocket, the second transmission belt 34 is a chain, the driving wheel 35 is a driving sprocket, the second motor 37 drives the second rotating shaft 36 to rotate, and the driving sprocket is fixedly arranged on the second rotating shaft 36, so that the driving sprocket is driven by the second rotating shaft 36 to rotate, and the driving sprocket drives the chain to reciprocate on the two spaced driven sprockets.

After the circuit board reaches the preset position, the circuit board will move along the direction of the board outlet under the pushing of the pushing block 32, and in order to avoid the situation that the circuit board is thrown away, a stop block is arranged at the front end of the pushing block 32 to be used for abutting against the front end of the circuit board, so that when the pushing block 32 pushes the circuit board at the rear end, the circuit board can keep a relatively static state. It will be appreciated that in this embodiment, the distance between the push block 32 and the stop matches the length of the circuit board, thereby enabling the circuit board to be secured within the area defined by the push block 32 and the stop.

In another embodiment, at least one of the two plate feeding mechanisms 20 is movably disposed on the machine base 10, the automatic plate feeding machine further includes a width adjusting mechanism 50 for adjusting a distance between the two plate feeding mechanisms 20, the width adjusting mechanism 50 includes a third motor 51 and at least one lead screw 52, a lead screw of the lead screw 52 is connected to an output shaft of the motor, and both are mounted on the machine base 10, and a nut of the lead screw 52 is connected to the movable one of the two plate feeding mechanisms 20. In this embodiment, the screw rod through third motor 51 drive lead screw 52 rotates to make lead screw 52's nut be linear motion on lead screw 52, thereby drive into board mechanism 20 along being close to or keeping away from another direction motion of advancing board mechanism 20, and then change two distances between advancing board mechanism 20, make its circuit board that can adapt to different widths, improve the utility model provides an automatic trigger's commonality of going up. It is to be understood that the width adjustment mechanism 50 further includes guide bars provided on both sides of the lead screw 52 when the lead screw 52 is provided in one, and the guide bars need not be provided when the lead screw 52 is provided in two at intervals.

In the above-mentioned another embodiment, the number of the lead screws 52 is three, two of the three lead screws 52 are arranged below the base 21 and the other is arranged above the base 21, the nuts of the two lead screws 52 located below the base 21 are respectively connected with the movable one of the two bases 21, and the nut of the lead screw 52 located above the base 21 is connected with the top of the movable one of the two endless conveying assemblies. More specifically, the two first lead screws 52 are located at two edges of the base 21, the second lead screw 52 is located at the middle position of the base 21, and the two first lead screws 52 and the second lead screw 52 form a triangular structure, so that the stability is strong, and the two plate feeding mechanisms 20 are more stable when adjusting the width.

In another embodiment, the present invention provides an automatic trigger loader further comprising a position adjusting mechanism 60, the position adjusting mechanism 60 comprises two sliding rods 61 spaced apart from each other and disposed on the base 10, a shaft sleeve 62 rotatably disposed on the sliding rods 61, and a locking member for locking the shaft sleeve 62, the shaft sleeve 62 is fixedly disposed on the mounting seat 31. The sliding rod 61 is fixedly arranged between two vertical plates of the machine base 10, the sliding rod 61 is sleeved with a rotatable shaft sleeve 62, and the shaft sleeve 62 is fixedly arranged on the mounting base 31, so that the plate conveying mechanism 30 can be moved by moving the shaft sleeve 62, and the purpose of adjusting the position of the plate conveying mechanism 30 is achieved. Further, the position adjusting mechanism 60 further includes a locking member for fixing the shaft sleeve 62 on the sliding rod 61, specifically, after the plate feeding mechanism 30 moves to a certain position, the shaft sleeve 62 is fixed by the locking member to prevent the shaft sleeve 62 from sliding on the sliding rod 61, so as to drive the plate feeding mechanism 30 to move.

What just go up be the utility model discloses a part or preferred embodiment, no matter be characters or the drawing can not consequently restrict the utility model discloses the scope of protection, all with the utility model discloses a holistic thought down, utilize the equivalent structure transform that the contents of the description and the drawing do, or direct/indirect application all includes in other relevant technical field the utility model discloses the within range of protection.

Claims

1. The automatic board feeding machine is characterized by comprising a machine base, two board feeding mechanisms arranged on the machine base at intervals and a board feeding mechanism located between the two board feeding mechanisms, wherein a board storage space for placing a circuit board is defined between the two board feeding mechanisms, the board feeding mechanism comprises a base, an annular conveying assembly vertically arranged on the base and a rack arranged on the annular conveying assembly, the rack can do annular motion along the vertical direction under the driving of the annular conveying assembly, a plurality of clamping grooves spaced for clamping the circuit board are arranged on the rack, at least one ends of the two ends of each clamping groove in the horizontal direction are provided with openings for the circuit board to pass in and out of the clamping grooves, and the board feeding mechanism comprises a mounting seat and a pushing block arranged on the mounting seat and capable of moving along the direction of a board outlet.

2. The automatic plate feeding machine according to claim 1, further comprising a circuit board detection mechanism, wherein the circuit board detection mechanism comprises a rod body arranged on the base, a baffle plate connected with the rod body and a photoelectric sensor used for generating a control signal, the rod body can move downwards to a preset position under the pressure of a circuit board, and the baffle plate is used for blocking an optical signal emitted by the photoelectric sensor.

3. The automatic plate feeding machine according to claim 1, wherein the annular conveying assembly comprises two mounting plates arranged at intervals in a front-back direction, two first conveying wheels arranged on the mounting plates at intervals in a top-bottom direction, a first conveying belt connected with the two first conveying wheels, and a first motor used for driving the first conveying belt, the two first conveying wheels at the same end of the mounting plates are connected through a first rotating shaft, and the first rotating shaft is connected with an output shaft of the first motor.

4. The automatic plate feeding machine according to claim 1, wherein the plate feeding mechanism further comprises two second transmission wheels arranged on the mounting base at intervals in a plate outlet direction, a second conveyor belt connected with the two second transmission wheels, a driving wheel positioned below the second conveyor belt and connected with the second conveyor belt, a second rotating shaft for driving the driving wheel to rotate, and a second motor for driving the second rotating shaft to rotate, wherein an output shaft of the second motor is connected with the second rotating shaft, and the second conveyor belt is connected with the pushing block.

5. The automatic board feeding machine according to claim 4, wherein the board feeding mechanism further comprises a stop block arranged on the second conveyor belt and spaced apart from the push block by a preset distance, and a fixing space for accommodating the circuit board is defined between the adjacent push block and the stop block.

6. The automatic plate feeding machine as claimed in claim 1, wherein at least one of the two plate feeding mechanisms is movably disposed on the base, the automatic plate feeding machine further comprises a width adjusting mechanism for adjusting a distance between the two plate feeding mechanisms, the width adjusting mechanism comprises a third motor and at least one lead screw, a screw rod of the lead screw is connected with an output shaft of the third motor, the lead screw and the third motor are mounted on the base, and a nut of the lead screw is connected with the movable one of the two plate feeding mechanisms.

7. The automatic plate loader of claim 6, wherein the number of said screws is three, two of said screws are spaced back and forth below said base and the other is spaced above said base, the nuts of the two screws below said base are connected to a movable one of said two bases, respectively, and the nut of the screw above said base is connected to the top of the movable one of said two endless conveyor assemblies.

8. The automatic plate feeding machine according to claim 1, further comprising a position adjusting mechanism, wherein the position adjusting mechanism comprises two sliding rods arranged on the base at intervals, a shaft sleeve rotatably arranged on the sliding rods, and a locking member for locking the shaft sleeve, and the shaft sleeve is fixedly arranged on the mounting seat.