Buffering device for printed circuit board production

Abstract

The utility model discloses a printed circuit board production caching device, and belongs to the technical field of circuit board production caching devices, the printed circuit board production caching device comprises a main frame, and a lifting groove is formed in the main frame; the multiple conveying units are arranged on the inner wall of the storage frame in parallel, so that the temporary storage device can store multiple circuit boards, lifting adjustment is conducted on the lifting table through cooperation between a reciprocating lead screw and a driving motor, whether the circuit boards are stored on the conveying units or not can be detected through a gravity sensor, no-load is avoided, and the working efficiency is improved. When the gravity sensor detects that a certain number of circuit boards are stored in the caching device, the caching device can cut off a board requiring signal to stop board feeding, board clamping is avoided, height information of each conveying unit can be obtained through the positioning instrument, accurate positioning of the circuit boards is achieved, and the circuit boards are accurately positioned. The conveying unit is driven by the power unit to convey the circuit board, and the circuit board is accurately controlled by the buffer device through cooperation of the devices.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board production buffer device, and particularly relates to a printed circuit board production buffer device. BACKGROUND

[0002] On the printed circuit board production line, due to the inconsistent processing time between processes, the production line is prone to stop and bottleneck phenomenon. In order to alleviate this problem, the existing production line is usually equipped with various buffer devices, which can temporarily store semi-finished circuit boards to balance the time difference between different processes and improve the overall production efficiency.

[0003] However, these circuit board production buffer devices are difficult to meet the demand for precise control in actual application, and therefore, the printed circuit board production buffer device is improved. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the present application provides a printed circuit board production buffer device, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a printed circuit board production buffer device, comprising a main frame, a lifting groove is formed in the inside of the main frame, a reciprocating screw rod is rotatably installed in the inside of the lifting groove, a driving motor for driving the reciprocating screw rod to rotate is fixedly installed on the upper surface of the main frame, a lifting platform is threadedly connected to the outer surface of the reciprocating screw rod, a storage frame is fixedly installed on the top of the lifting platform, a plurality of groups of conveying units are arranged in parallel on the inner walls of the storage frame and are uniformly distributed along the height direction, a gravity sensor is fixedly installed on the inner wall of the storage frame and is located in the inside of the conveying unit, power units are symmetrically arranged on both sides of the storage frame and provide power for the conveying units, and a positioning instrument is fixedly installed on the top of the storage frame.

[0006] By adopting the above technical scheme, the buffer device can store a plurality of circuit boards by arranging a plurality of groups of conveying units in parallel on the inner walls of the storage frame, the lifting platform is adjusted in height by the cooperation between the reciprocating screw rod and the driving motor, the gravity sensor can detect whether the circuit boards are stored on the conveying units, so as to avoid empty load, when the buffer device stores a certain number of circuit boards is detected by the gravity sensor, the buffer device will cut off the board signal, so as to avoid the buffer device storing too many circuit boards and causing the circuit boards to be stuck, further improving the safety of the device in use, the height information of each conveying unit can be obtained by the positioning instrument, so as to realize the precise positioning of the circuit boards, the power units drive the conveying units to convey the circuit boards, and the buffer device realizes the precise control of the circuit boards by the cooperation between the above devices.

[0007] As a preferred technical scheme of the present application, the conveying unit comprises two transmission wheels rotatably installed on the inner wall of the storage frame, a conveying belt is arranged between the two transmission wheels, and one of the transmission wheels is fixedly connected with a transmission gear matched with the power unit.

[0008] By adopting the above technical scheme, the transmission gear is driven to rotate by the power unit, thereby driving the conveying belt to perform transmission work.

[0009] As a preferred technical scheme of the present application, the number of the gravity sensors is the same as that of the conveying units and each of the gravity sensors corresponds to one of the conveying units, and the upper surface of each of the gravity sensors is in abutment with the lower surface of the conveying belt.

[0010] By adopting the above technical scheme, when the circuit board is loaded on the conveying belt, the gravity sensor will feel the change of gravity, thereby judging whether the empty load occurs.

[0011] As a preferred technical scheme of the present application, the power unit comprises an alternating current motor and an output gear, and the output gear is matched with the transmission gear.

[0012] By adopting the above technical scheme, the alternating current motor can drive the transmission gear to synchronously rotate through the output gear matched with the transmission gear.

[0013] As a preferred technical scheme of the present application, the upper surface of the main frame is symmetrically provided with a fixing seat on both sides of the storage frame, and the bottom of the alternating current motor is in abutment with the top of the fixing seat.

[0014] By adopting the above technical scheme, the alternating current motor is fixedly positioned by the fixing seat, thereby ensuring the stability of the alternating current motor during operation and preventing the alternating current motor from shaking and deviating during operation.

[0015] As a preferred technical scheme of the present application, the inside of the lifting platform is slidably connected with a guide rod on one side of the reciprocating lead screw, and the guide rod is fixedly installed on the inner wall of the lifting groove.

[0016] By adopting the above technical scheme, the lifting platform can move up and down along the guide rod, thereby ensuring the stability of the lifting platform during movement.

[0017] As a preferred technical scheme of the present application, one side of the main frame is provided with a controller, and the controller is electrically connected with the driving motor and the alternating current motor.

[0018] By adopting the above technical scheme, the cache device is realized to be automatic, thereby being more practical.

[0019] As a preferred technical scheme of the present application, the two outer walls of the main frame are symmetrically provided with a transmission mechanism.

[0020] By adopting the technical scheme, the circuit board in the buffer device is conveyed through the conveying mechanism.

[0021] Compared with the prior art, the buffer device has the beneficial effects that:

[0022] In the utility model, through parallel setting of the conveying unit on the inner wall of the storage frame, the buffer device can store multiple circuit boards, through the cooperation between the reciprocating screw rod and the driving motor, the lifting platform is adjusted, the gravity sensor can detect whether the circuit board is stored on the conveying unit, and the no-load phenomenon is avoided, when the buffer device stores a certain number of circuit boards through the gravity sensor, the buffer device will cut off the board signal, so that the buffer device does not store too many circuit boards to cause the board to be stuck, and the safety of the device during use is further improved, the height information of each conveying unit is obtained through the positioner, so that the precise positioning of the circuit board is realized, the power unit drives the conveying unit to convey the circuit board, and the buffer device realizes the precise control of the circuit board through the cooperation between the above devices.

[0023] The specific embodiments of the utility model are disclosed in detail with reference to the following description and drawings, the principle of the utility model can be adopted, and it should be understood that the embodiments of the utility model are not limited in scope. DRAWINGS

[0024] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model, and in the drawings:

[0025] Figure 1 It is the overall structure schematic diagram of the application;

[0026] Figure 2 It is the front sectional structure schematic diagram of the application;

[0027] Figure 3 It is the local structure schematic diagram of the application;

[0028] Figure 4 It is the transmission connection schematic diagram between the power unit and the conveying unit of the application.

[0029] In the diagram: 1. Main frame; 2. Controller; 3. Transmission mechanism; 4. Lifting trough; 5. Reciprocating lead screw; 6. Drive motor; 7. Lifting platform; 8. Storage frame; 9. Conveying unit; 91. Transmission wheel; 92. Conveyor belt; 93. Transmission gear; 10. Power unit; 101. AC motor; 102. Output gear; 11. Fixed base; 12. Gravity sensor; 13. Positioner; 14. Guide rod. Detailed Implementation

[0030] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0031] like Figure 1 - Figure 4 As shown, this embodiment provides a printed circuit board production buffer device, including a main frame 1. A lifting groove 4 is provided inside the main frame 1, and a reciprocating lead screw 5 is rotatably installed inside the lifting groove 4. A drive motor 6 for driving the reciprocating lead screw 5 is fixedly installed on the upper surface of the main frame 1. A lifting platform 7 is threadedly connected to the outer surface of the reciprocating lead screw 5. A storage frame 8 is fixedly installed on the top of the lifting platform 7. Several sets of conveying units 9 are evenly distributed along their height direction and arranged parallel to each other on the inner walls of the storage frame 8. A gravity sensor 12 is fixedly installed inside the conveying unit 9 on the inner wall of the storage frame 8. Power units 10 for providing power to the conveying unit 9 are symmetrically arranged on both sides of the storage frame 8. A positioning device 13 is fixedly installed on the top of the storage frame 8. In use, the several sets of conveying units 9 arranged parallel to each other on the inner wall of the storage frame 8... The conveying unit 9 enables the buffer device to store multiple circuit boards. The lifting platform 7 is adjusted by the cooperation between the reciprocating screw 5 and the drive motor 6. The gravity sensor 12 can detect whether there are circuit boards on the conveying unit 9 to avoid empty load. When the gravity sensor 12 detects that the buffer device has stored a certain number of circuit boards, the buffer device will cut off the board request signal to prevent the buffer device from storing too many circuit boards and causing board jamming, further improving the safety of the device during use. The positioning device 13 can obtain the height information of each conveying unit 9 to achieve accurate positioning of the circuit boards. The power unit 10 drives the conveying unit 9 to carry out the circuit board conveying work. The buffer device achieves precise control of the circuit boards through the cooperation between the above devices.

[0032] In this embodiment, as Figure 3 As shown, the conveying unit 9 includes two drive wheels 91 rotatably mounted on the inner wall of the storage frame 8. A conveyor belt 92 is provided between the two drive wheels 91, and one of the drive wheels 91 is fixedly connected to a drive gear 93 that matches the power unit 10. In use, the power unit 10 drives the drive gear 93 to rotate, thereby driving the conveyor belt 92 to perform the transmission work.

[0033] In this embodiment, as Figure 3 As shown, the number of gravity sensors 12 and the number of conveying units 9 are the same and correspond one-to-one. The upper surface of gravity sensor 12 is in contact with the lower surface of conveyor belt 92. When in use, when the conveyor belt 92 carries a circuit board, gravity sensor 12 will sense the change in gravity, thereby determining whether there is an empty load.

[0034] In this embodiment, as Figure 4 As shown, the power unit 10 consists of an AC motor 101 and an output gear 102, and the output gear 102 is matched with the transmission gear 93. In use, the AC motor 101 can drive the transmission gear 93 to rotate synchronously by utilizing the cooperation between the output gear 102 and the transmission gear 93.

[0035] In this embodiment, as Figures 2-4 As shown, the upper surface of the main frame 1 is symmetrically equipped with fixing seats 11 on both sides of the storage frame 8. The bottom of the AC motor 101 is in contact with the top of the fixing seat 11. In use, the fixing seat 11 limits and fixes the AC motor 101 to ensure the stability of the AC motor 101 during operation and prevents it from shaking and shifting its position.

[0036] In this embodiment, as Figure 2 As shown, a guide rod 14 is slidably inserted into the inside of the lifting platform 7 on one side of the reciprocating screw 5. The guide rod 14 is fixedly installed on the inner wall of the lifting groove 4. During use, the lifting platform 7 can move up and down along the guide rod 14 to ensure the stability of the lifting platform 7 during movement.

[0037] In this embodiment, as Figures 1-4 As shown, a controller 2 is provided on one side of the main frame 1. The controller 2 is electrically connected to the drive motor 6 and the AC motor 101. When in use, the buffer device is automated, making it more practical.

[0038] In this embodiment, as Figure 1 As shown, the two outer walls of the main frame 1 are symmetrically provided with transmission mechanisms 3. In use, the circuit boards in the buffer device are transported through the transmission mechanisms 3.

[0039] The working principle of the utility model discloses: when using the printed circuit board production buffer device, the buffer device can store multiple circuit boards through the parallel arrangement of the conveying units 9 on the inner wall of the storage frame 8, the lifting platform 7 is adjusted through the cooperation between the reciprocating screw rod 5 and the driving motor 6, the gravity sensor 12 can detect whether the conveying unit 9 stores the circuit board, so as to avoid the no-load state, when the buffer device stores a certain number of circuit boards through the detection of the gravity sensor 12, the buffer device will cut off the board signal, so as to avoid the buffer device storing too many circuit boards to cause the board jam, further improve the safety of the device during use, the height information of each conveying unit 9 can be obtained through the positioner 13, so as to realize the accurate positioning of the circuit board, the power unit 10 drives the conveying unit 9 to carry out the circuit board conveying work, and the buffer device realizes the accurate control of the circuit board through the cooperation between the above devices.

[0040] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0041] In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0042] The utility model has been described above in combination with specific embodiments, but those skilled in the art should know that these descriptions are exemplary and are not limiting the protection scope of the utility model. Those skilled in the art can make various modifications and changes to the utility model according to the spirit and principle of the utility model, and these modifications and changes are also within the scope of the utility model.

Claims

1. A printed circuit board production buffer device comprising a main frame (1), characterized in that, The inside of the main frame (1) is provided with a lifting groove (4), the inside of the lifting groove (4) is rotatably provided with a reciprocating screw rod (5), the upper surface of the main frame (1) is fixedly provided with a driving motor (6) for driving the reciprocating screw rod (5) to rotate, the outer surface of the reciprocating screw rod (5) is threadedly connected with a lifting platform (7), the top of the lifting platform (7) is fixedly provided with a storage frame (8), the two side inner walls of the storage frame (8) are provided with a plurality of groups of conveying units (9) which are uniformly distributed along the height direction thereof, the inner wall of the storage frame (8) is fixedly provided with a gravity sensor (12) inside the conveying unit (9), the two sides of the storage frame (8) are symmetrically provided with a power unit (10) for providing power for the conveying unit (9), and the top of the storage frame (8) is fixedly provided with a positioner (13).

2. A printed circuit board production buffer device according to claim 1, characterized in that, The conveying unit (9) comprises two transmission wheels (91) rotatably mounted on the inner wall of the storage frame (8), a conveying belt (92) is arranged between the two transmission wheels (91), and one of the transmission wheels (91) is fixedly connected with a transmission gear (93) matched with the power unit (10).

3. A printed circuit board production buffer device according to claim 2, characterized in that, The number of the gravity sensor (12) is the same as that of the conveying unit (9) and one-to-one correspondence, the upper surface of the gravity sensor (12) is in close contact with the lower surface of the conveying belt (92).

4. The printed circuit board production buffer apparatus of claim 2, wherein, The power unit (10) is composed of an alternating current motor (101) and an output gear (102), and the output gear (102) is matched with the transmission gear (93).

5. A printed circuit board production buffer device according to claim 4, characterized in that, The upper surface of the main frame (1) is symmetrically provided with a fixing seat (11) on both sides of the storage frame (8), and the bottom of the alternating current motor (101) is in close contact with the top of the fixing seat (11).

6. The printed circuit board production buffer apparatus of claim 1, wherein, The inside of the lifting platform (7) is slidably connected with a guide rod (14) on one side of the reciprocating screw rod (5), and the guide rod (14) is fixedly mounted on the inner wall of the lifting groove (4).

7. The printed circuit board production buffer apparatus of claim 4, wherein, One side of the main frame (1) is provided with a controller (2), and the controller (2) is electrically connected with the driving motor (6) and the alternating current motor (101).

8. The printed circuit board production buffer apparatus of claim 1, wherein, The two side outer walls of the main frame (1) are symmetrically provided with a transmission mechanism (3).

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