CN215205569U - Push plate mechanism - Google Patents

Abstract

The application relates to a push plate mechanism, which belongs to the technical field of circuit board storage auxiliary tools and comprises an operation groove, a fixed block, an air cylinder and a pushing assembly, wherein the fixed block is positioned in the operation groove; the operation track has been seted up on the both sides cell wall in operation groove, and the promotion subassembly is pushed out the operation groove top from the operation inslot along the operation track under the promotion of piston rod, and the cylinder can be accomodate in the operation groove with the promotion subassembly. This application is through adopting push pedal mechanism, can push forward the circuit board of carrying through the drive belt in the board case of depositing completely, guarantees the quality of depositing of circuit board.

Description

Push plate mechanism

Technical Field

The application relates to the field of circuit board deposit case appurtenance, especially relates to a push pedal mechanism.

Background

The circuit board is an important electronic component, and is a support for an electronic component and a carrier for electrical connection of the electronic component. At present, after the production and manufacture of the circuit board are completed, the circuit board needs to be put on a board storage box for storage and standby. When utilizing the drive belt to carry the circuit board, when the drive belt all sent into the most of circuit board and deposit the board case, frictional force between circuit board and the conveyer belt can diminish, leads to the unable complete entering of circuit board to deposit the board case.

SUMMERY OF THE UTILITY MODEL

In order to make the circuit board can get into completely and deposit the board case, this application provides a push pedal mechanism.

The application provides a push plate mechanism adopts following technical scheme:

a push plate mechanism comprises an operation groove, a fixing block, an air cylinder and a pushing assembly, wherein the fixing block is positioned in the operation groove, the fixing block is positioned at one end of the operation groove in the length direction, a cylinder body of the air cylinder is rotationally connected to the fixing block, and the pushing assembly is connected to one end, far away from the cylinder body, of a piston rod of the air cylinder; the operation groove is characterized in that operation tracks are formed in the groove walls on the two sides of the operation groove, the pushing assembly is pushed out of the upper portion of the operation groove along the operation tracks under the pushing of the piston rod, and the air cylinder and the pushing assembly can be stored in the operation groove.

Through adopting above-mentioned technical scheme, when utilizing the drive belt to carry the circuit board to deposit the board case, when the circuit board most got into to deposit the board case but can't utilize the drive belt to continue to impel, utilize the cylinder to push away the subassembly and release from the operation groove, make and promote the pusher and be close to the circuit board gradually and with the circuit board further to deposit the inboard promotion of board case for the circuit board is saved in being pushed into the board case completely.

Preferably, the work track includes a horizontal portion and an inclined portion that is adjacent to the cylinder and inclined downward, and the horizontal portion and the inclined portion communicate.

Through adopting above-mentioned technical scheme, at first will promote the subassembly and rise to design height fast, later make the subassembly that promotes to be close to the circuit board along operation groove length direction gradually to push the operation to the circuit board.

Preferably, the pushing assembly comprises a pushing block fixedly connected with the piston rod and a pushing plate which is located above the pushing block and is rotatably connected with the pushing block through a hinge shaft arranged along the width direction of the operation groove, an adjusting spring fixedly connected with the pushing plate and the pushing block is arranged between the pushing plate and the pushing block and is located on one side, away from the cylinder body, of the hinge shaft, an inclined surface inclining upwards towards the cylinder body is arranged on the end surface of the pushing plate close to the cylinder, a blocking piece matched with the inclined surface of the pushing plate is fixed on one end, close to the pushing assembly, of the cylinder body, and the blocking piece enables the pushing plate to rotate along the hinge shaft in the process of being accommodated into the operation groove under the action of the piston rod.

By adopting the technical scheme, after the push plate is pushed out from the operation groove, the head part is lifted, and the height of the push plate is improved; when the piston rod is retracted into the cylinder body, the stopper jacks up the push plate, so that the head of the push plate is pressed down, the push plate completely enters the operation groove, and the transmission belt is not influenced to convey the next circuit board.

Preferably, a rotating groove communicated with the top surface of the pushing block is formed in the end face, far away from the air cylinder, of the pushing block, a rotating block inserted into the rotating groove is arranged at the position, opposite to the rotating groove, of the bottom surface of the pushing plate, and the rotating block is rotatably connected to the pushing block through a hinge shaft.

Through adopting above-mentioned technical scheme, utilize the turning block to be connected with the ejector pad rotation with the push pedal, reduced the height that promotes the subassembly for in the operation groove can be received into more easily completely to the promotion subassembly, also make the rotation of push pedal more stable simultaneously.

Preferably, the top surface of the end, close to the cylinder, of the push plate is provided with an adjusting screw hole penetrating through the push plate, the adjusting screw hole is internally threaded with an adjusting bolt, and the bottom end of the adjusting bolt can extend out of the adjusting screw hole and abut against the push block.

Through adopting above-mentioned technical scheme, adjust the push pedal and be close to the distance between the one end of piston rod and the ejector pad to prescribe a limit to the turned angle of push pedal, adjust the lifting height of the head of push pedal promptly.

Preferably, a rotating wheel which is rotatably connected to the pushing block through a supporting shaft is arranged at a position of the pushing block opposite to the operation track, and the rotating wheel is located in the operation track.

Through adopting above-mentioned technical scheme, when the cylinder promoted the ejector pad, the rotating wheel rotated along operation track motion while to alleviate the resistance when the ejector pad removed.

Preferably, one end of the operation groove, which is positioned on the fixed block, is provided with a fault emergency stop component.

Through adopting above-mentioned technical scheme, when the push pedal mechanism breaks down, the trouble scram subassembly starts, makes the cylinder stop work, avoids equipment to damage.

Preferably, the fixed block utilizes the connecting axle to rotate to be connected on the cell wall of operation groove both sides, the one end that the operation groove is close to the fixed block is fixed with the limiting plate that upwards stretches out, the standing groove has been seted up on the fixed block towards the terminal surface of limiting plate, be provided with the axial both ends respectively with standing groove tank bottom and limiting plate fixed connection's safety spring in the standing groove, the fixed block is connected with safety switch.

By adopting the technical scheme, when the circuit board cannot be pushed in place due to faults, the stress of the air cylinder is greater than the force of the safety spring, the air cylinder compresses the safety spring to drive the fixing block to rotate, the originally pressed safety switch is released, a signal is given to the equipment controller, the circuit board is blocked to push out, the controller can stop the air cylinder to move, and an alarm signal is given.

Preferably, the one end of keeping away from the cylinder body in the operation groove is provided with the first sensor of detection circuit board, be close to the below of the one end of first sensor in the operation track and be provided with the second sensor of detection circuit board.

By adopting the technical scheme, the first sensor is used for detecting that the circuit board leaves, namely the circuit board enters the board storage box, so that the controller controls the air cylinder to retreat; the second sensor is mainly used for judging the time when the lifting pushing assembly pushes the circuit board, and when the first sensor detects the existence of the circuit board and the circuit board does not block the second sensor, the starting condition of pushing is met, and the operation of the push plate mechanism is started.

To sum up, this application can further promote the circuit board when can not all get into the board case through adopting push pedal mechanism, can be with the circuit board of warp transmission belt transport to guarantee to impel the circuit board in the board case is deposited completely, guarantee the quality of depositing of circuit board.

Drawings

Fig. 1 is a schematic view of the entire structure of a pusher mechanism according to an embodiment of the present application.

Figure 2 is a top view of a push plate mechanism of an embodiment of the present application.

Figure 3 is a side cross-sectional view of a push plate mechanism of an embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

FIG. 5 is a cross-sectional view of the pusher assembly of the pusher plate mechanism of an embodiment of the present application.

FIG. 6 is a cross-sectional view of a portion of the pusher assembly of the push plate mechanism of an embodiment of the present application.

Fig. 7 is a partially enlarged schematic view of a portion B in fig. 3.

Figure 8 is a schematic view of the pusher assembly of the pusher plate configuration of the present application after return.

Fig. 9 is a partially enlarged schematic view of a portion C in fig. 3.

Fig. 10 is a schematic view of the working state of the board pushing mechanism according to the embodiment of the present application after the board pushing mechanism completely pushes the circuit board into position.

Description of reference numerals: 1. an operation groove; 11. an operation track; 12. mounting a plate; 13. a limiting plate; 14. a first sensor; 15. a second sensor; 2. a cylinder; 21. a cylinder body; 22. a piston rod; 23. a stopper; 24. a cylinder sensor; 25. hooping; 3. a fixed block; 31. connecting blocks; 32. mounting grooves; 33. a safety switch; 34. a placement groove; 35. a connecting shaft; 36. a rotating shaft; 37. a safety spring; 4. a pushing assembly; 41. a push block; 411. a rotating groove; 42. pushing the plate; 421. rotating the block; 422. a bevel; 423. adjusting the screw hole; 424. adjusting the bolt; 425. fixing screw holes; 426. fixing the bolt; 43. a support shaft; 44. a rotating wheel; 45. a hinge shaft; 46. adjusting the spring; 5. a circuit board.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses a push plate mechanism. Referring to fig. 1 and 2, the push plate mechanism comprises a working groove 1 with an upward opening, a cylinder 2 positioned in the working groove 1, a fixed block 3 and a pushing assembly 4.

The fixed block 3 is positioned at one end of the length direction of the operation groove 1. The top of the fixed block 3 is not higher than the top surface of the side wall of the operation groove 1. The cylinder 2 is rotatably connected to the fixed block 3 and extends out of the other end of the working groove 1 in the length direction. The end of the piston rod 22 of the cylinder 2 far away from the cylinder body 21 is fixedly connected with the pushing assembly 4.

Referring to fig. 2 and 3, a piston rod 22 of the cylinder 2 extends out of the cylinder body 21, and a working rail 11 is opened at a position facing the piston rod 22 on a groove wall of the working groove 1. The operation tracks 11 are oppositely arranged on the two side groove walls of the operation groove 1. The work track 11 includes a horizontal portion along the longitudinal direction of the work tank 1 and an inclined portion located at one end of the horizontal portion close to the cylinder 21 and inclined downward, the inclined portion communicating with the horizontal portion. The cylinder 2 drives the pushing assembly 4 to move along the operation track 11.

Referring to fig. 4 and 6, the pushing assembly 4 includes a pushing block 41 at an end of the piston rod 22 away from the cylinder 21, and a pushing plate 42 fixed above the pushing block 41 and extending away from the piston rod 22. A rotating wheel 44 rotatably connected to the pushing block 41 by a support shaft 43 is provided at a position where the pushing block 41 faces the work track 11. The turning wheels 44 are located in the working track 11. When the cylinder 2 pushes the push block 41, the rotating wheel 44 rotates while moving along the working rail 11, thereby reducing resistance when the push block 41 moves.

Referring to fig. 4 and 5, a rotation groove 411 is formed in an end surface of the push block 41 away from the piston rod 22, and the rotation groove 411 penetrates through a top surface of the push block 41. A rotating block 421 extending downwards is fixed on the bottom surface of the push plate 42. The rotation block 421 is engaged with the rotation slot 411 and is rotatably coupled to the push block 41 by a hinge shaft 45.

A distance is left between the bottom end of the rotating block 421 and the bottom of the rotating slot 411. An adjusting spring 46 for connecting the rotating block 421 and the bottom of the rotating groove 411 is arranged between the rotating block 421 and the bottom of the rotating groove 411 at one side of the hinge shaft 45 far away from the connection part of the push block 41 and the piston rod 22. The push plate 42 is rotated along the hinge shaft 45 by the adjusting spring 46 and the bottom surface of the push plate 42 near one end of the piston rod 22 is moved downward.

Referring to fig. 5 and 6, an adjusting screw hole 423 penetrating through the push plate 42 up and down is formed in a top surface of one end of the push plate 42 close to the piston rod 22, an inner hexagonal adjusting bolt 424 is connected to the adjusting screw hole 423 through a female thread, and a bottom end of the adjusting bolt 424 abuts against a top surface of the push block 41. The adjusting bolt 424 is used for adjusting the distance between one end of the push plate 42 close to the piston rod 22 and the push block 41, so as to limit the rotation angle of the push plate 42.

A fixing screw hole 425 horizontally communicated with the adjusting screw hole 423 is formed in the side wall of the push plate 42, and an inner hexagonal fixing bolt 426 is connected to the fixing screw hole 425 in a threaded manner. The fixing bolt 426 can be inserted into the adjustment screw hole 423. The fixing bolt 426 serves to further fix the adjusting bolt 424 after the adjusting bolt 424 is installed.

Referring to fig. 4 and 6, the groove bottom of the working groove 1 near one end of the push block 41 is bent upward to form the mounting plate 12. A first sensor 14 is fixed to a side surface of the mounting plate 12 facing the inside of the work tank 1. A second sensor 15 fixed to the wall of the working tank 1 is provided below one end of the working rail 11 close to the first sensor 14.

Referring to fig. 2 and 7, cylinder sensors 24 fixed to the cylinder block 21 by using anchor ears 25 are respectively provided at both axial end tops of the cylinder block 21. The two cylinder sensors 24 are disposed oppositely. The cylinder sensor 24 is mainly used to detect the position of the piston rod 22 in the cylinder 2.

Referring to fig. 8, the end surface of the push plate 42 facing the cylinder 21 is a slope 422 inclined upward toward the cylinder 21. A stopper 23 which is matched with the inclined surface 422 of the push plate 42 is fixed at one end of the cylinder body 21 close to the push block 41. When the piston rod 22 is fully retracted into the cylinder 21, the stopper 23 abuts against the inclined surface 422 and rotates the push plate 42, so that the push plate 42 is fully retracted into the working channel 1.

Referring to fig. 9, the fixing block 3 is rotatably coupled in the working groove 1 by a coupling shaft 35. The end surface of the fixed block 3 facing the cylinder 21 is provided with an installation groove 32 matched with the cylinder 21. The cylinder body 21 is inserted into the mounting groove 32 and is rotatably coupled to the fixed block 3 by a rotating shaft 36. The mounting slots 32 enable the cylinder 21 to rotate during operation.

One end of the bottom of the operation groove 1 close to the fixed block 3 is bent upwards to form a limit plate 13. The lower part of the end surface of the fixed block 3 facing the limit plate 13 is provided with a placing groove 34. The placement grooves 34 are provided in two and symmetrically disposed about the fixing block 3. The safety spring 37 is arranged in the placing groove 34, and the two axial ends of the safety spring are fixedly connected with the limiting plate 13 and the groove bottom of the placing groove 34 respectively. The upper part of the end surface of the fixed block 3 far away from the cylinder body 21 is fixedly connected with a connecting block 31 extending outwards. A safety switch 33 is mounted on the wall of the working tank 1. The safety switch 33 is connected to the connection block 31.

With reference to fig. 10, the implementation principle of a push plate mechanism according to an embodiment of the present application is as follows: when the circuit board 5 is conveyed to the board storage box by using the transmission belt, the push plate mechanism is arranged below the upper belt of the transmission belt, and the middle part of the transmission belt is provided with a space allowing the push component 4 to lift, so that the push plate mechanism is not influenced when the transmission belt works; when the circuit board 5 passes through the upper part of the operation groove 1 and enters the board storage box mostly under the action of the transmission belt, the cylinder 2 is started, the piston rod 22 extends out and drives the push block 41 to move along the operation track 11, the push plate 42 rises from the operation groove 1 and gradually abuts against the circuit board 5, and finally the circuit board 5 is completely pushed into the board storage box; then, the piston rod 22 is retracted to fully retract the pushing member 4 into the working tank 1, and the operation is repeated.

When the circuit board 5 cannot be pushed into place due to a fault, the equipment needs to report the fault, waiting for maintenance, in order to avoid damage to the equipment. When the stress of the cylinder 2 is larger than the force of the safety spring 37, the cylinder 2 compresses the safety spring 37 to drive the fixing block 3 to rotate, so that the originally pressed safety switch 33 is released, a signal is given to the equipment controller, the circuit board 5 is blocked to push out, and the controller can stop the cylinder 2 to move and give an alarm signal.

The first sensor 14 and the second sensor 15 are used for detecting the circuit board 5 on the transmission belt, the first sensor 14 is used for detecting that the circuit board 5 leaves, namely the circuit board 5 enters the storage box completely, so that the controller controls the air cylinder 2 to retreat; the second sensor 15 is mainly used for judging the time when the lifting pushing assembly 4 pushes the circuit board 5, and when the first sensor 14 detects the existence of the circuit board 5 and the circuit board 5 does not block the second sensor 15, the pushing starting condition is met, and the pushing plate mechanism is started to operate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a push pedal mechanism, includes operation groove (1), is located fixed block (3), cylinder (2) and the promotion subassembly (4) of operation groove (1), its characterized in that: the fixed block (3) is positioned at one end of the length direction of the operation groove (1), the cylinder body (21) of the air cylinder (2) is rotatably connected to the fixed block (3), and the pushing assembly (4) is connected to one end, far away from the cylinder body (21), of the piston rod (22) of the air cylinder (2); operation track (11) have been seted up on the both sides cell wall of operation groove (1), push assembly (4) are pushed out operation groove (1) top along operation track (11) under the promotion of piston rod (22) in operation groove (1), cylinder (2) and push assembly (4) can be accomodate in operation groove (1).

2. The pusher mechanism of claim 1, wherein: the operation track (11) comprises a horizontal part and an inclined part which is close to the cylinder body (21) and inclines downwards, and the horizontal part is communicated with the inclined part.

3. The pusher mechanism of claim 1, wherein: the pushing assembly (4) comprises a pushing block (41) fixedly connected with the piston rod (22) and a pushing plate (42) which is positioned above the pushing block (41) and is rotationally connected with the pushing block (41) through a hinge shaft (45) arranged along the width direction of the operation groove (1), an adjusting spring (46) which is respectively fixedly connected with the push plate (42) and the push block (41) is arranged between the push plate (42) and the push block (41) and is positioned at one side of the hinge shaft (45) far away from the cylinder body (21), the end surface of the push plate (42) close to the cylinder (2) is an inclined surface (422) which inclines upwards towards the cylinder body (21), a blocking piece (23) matched with the inclined surface of the push plate (42) is fixed at one end of the cylinder body (21) close to the pushing component (4), the stop piece (23) enables the push plate (42) to rotate along the hinge shaft (45) in the process of being accommodated in the operation groove (1) under the action of the piston rod (22).

4. The pusher mechanism of claim 3, wherein: the end face, far away from the cylinder (2), of the push block (41) is provided with a rotating groove (411) which is communicated with the top face of the push block (41), a rotating block (421) inserted into the rotating groove (411) is arranged at the position, opposite to the rotating groove (411), on the bottom face of the push plate (42), and the rotating block (421) is rotatably connected onto the push block (41) through a hinge shaft (45).

5. The pusher mechanism of claim 3, wherein: the push plate (42) is close to and sets up regulation screw (423) that runs through push plate (42) on the top surface of the one end of cylinder (2), regulation screw (423) female connection has adjusting bolt (424), adjusting bolt (424)'s bottom can stretch out regulation screw (423) and support on ejector pad (41).

6. The pusher mechanism of claim 3, wherein: and a rotating wheel (44) which is rotatably connected to the pushing block (41) by using a supporting shaft (43) is arranged at the position of the pushing block (41) opposite to the operation track (11), and the rotating wheel (44) is positioned in the operation track (11).

7. The pusher mechanism of claim 1, wherein: one end of the operation groove (1) positioned on the fixed block (3) is provided with a fault emergency stop component.

8. The pusher mechanism of claim 7, wherein: fixed block (3) utilize connecting axle (35) to rotate to connect on the cell wall of operation groove (1) both sides, the one end that operation groove (1) is close to fixed block (3) is fixed with limiting plate (13) that upwards stretches out, standing groove (34) have been seted up on fixed block (3) towards the terminal surface of limiting plate (13), be provided with axial both ends respectively with standing groove (34) tank bottom and limiting plate (13) fixed connection's safety spring (37) in standing groove (34), fixed block (3) are connected with safety switch (33).

9. The pusher mechanism of claim 1, wherein: one end of the operation groove (1) far away from the cylinder body (21) is provided with a first sensor (14) for detecting the circuit board (5), and a second sensor (15) for detecting the circuit board (5) is arranged below one end of the operation rail (11) close to the first sensor (14).

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