Automatic dispensing device for PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) processing, in particular to an automatic dispensing device for a PCB, which comprises a base, two groups of supporting blocks are arranged at the top of the base, a dispensing component is arranged on the supporting blocks, a clamping component is arranged at the top of the base, two groups of self-locking universal wheels are arranged at the top of the base, and a push handle is arranged on one side of the base. A first movable plate is pushed to move through the tension of a first spring, the first movable plate drives a first buffer material to extrude and clamp a PCB in the left-right direction, meanwhile, a push plate at the front end of a threaded rod is driven by a rotary disc to push a second movable plate, and the second movable plate drives a second buffer material to extrude and clamp the PCB in the front-back direction, so that the PCB is not prone to being damaged during dispensing operation. According to the utility model, the PCB is not deviated, the inaccurate dispensing position is avoided, the poor contact phenomenon of components is eliminated, and the quality of the PCB meets the qualified requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing, in particular to an automatic glue dispensing device for a PCB board. Background Art

[0002] PCB automatic dispensing device is an automated dispensing device used to dispense glue or other liquid materials on specific locations of PCB boards or other products. It is commonly used in production lines in the fields of electronics, automobiles, medical treatment, aerospace, etc., to improve production efficiency and product quality while saving manpower and reducing costs.

[0003] The current dispensing device has gradually been found to have the following defects during use:

[0004] (1) Most of the existing glue dispensing devices do not clamp and fix the PCB board. During the glue dispensing operation, the PCB board may be offset, resulting in inaccurate glue dispensing position, poor contact of some components, and thus unqualified quality of the PCB board.

[0005] (2) Traditional PCB dispensing is mostly done manually, which results in low dispensing accuracy, low PCB board qualification rate, and reduced work efficiency. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the inventors conducted in-depth research and completed the present utility model after paying a lot of creative work.

[0007] Specifically, the technical problem to be solved by the utility model is to provide an automatic glue dispensing device for PCB boards to solve the technical problem that most of the existing glue dispensing devices do not clamp and fix the PCB boards, and the PCB boards may be offset during the glue dispensing operation, thereby making the glue dispensing position inaccurate, resulting in poor contact of some components, and thus making the quality of the PCB boards unqualified.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0009] A PCB board automatic glue dispensing device, comprising a base, two groups of support blocks are arranged on the top of the base, a glue dispensing assembly is arranged on the support block, a clamping assembly is arranged on the top of the base, two groups of self-locking universal wheels are arranged on the top of the base, and a push handle is arranged on one side of the base;

[0010] The clamping assembly includes a fixing seat, which is arranged on the top of the base, a first fixing block is provided on one side of the fixing seat, a first clamp structure is provided on the first fixing block, a second fixing block is provided on one end of the fixing seat, and a second clamp structure is provided on the second fixing block.

[0011] As an improved technical solution, wherein: the first clamp structure includes a first guide rod, a first guide rod is symmetrically arranged on the first fixed block, the first guide rod passes through the first fixed block, a first movable plate is arranged at one end of the first guide rod, a first buffer material is arranged on one side of the first movable plate, a first spring is sleeved on the outer surface of the first guide rod, the first spring is arranged between the first movable plate and the first fixed block, and a pull plate is arranged at the other end of the first guide rod.

[0012] As an improved technical solution, wherein: the second clamp structure includes a second guide rod, a second guide rod is symmetrically arranged on the second fixed block, the second guide rod passes through the second fixed block, a second movable plate is arranged at one end of the second guide rod, a second buffer material is arranged on one side of the second movable plate, a second spring is sleeved on the outer surface of the second guide rod, the second spring is arranged between the second movable plate and the second fixed block, a limit plate is arranged at the other end of the second guide rod, the second fixed block is threadedly connected with a threaded rod, a hollow cylinder is arranged at one end of the threaded rod, a push plate is arranged on the other side of the second movable plate, the hollow cylinder is arranged inside the push plate, and a turntable is arranged at the other end of the threaded rod.

[0013] As an improved technical solution, wherein: the first guide rod is slidably connected to the first fixed block, the second guide rod is slidably connected to the second fixed block, and the hollow cylinder is rotatably connected to the threaded rod.

[0014] As an improved technical solution, wherein: the dispensing component includes a first motor, the output end of the first motor is transmission-connected to the first screw rod, the first screw rod is provided with a first slide, a second motor is provided on one side of the first slide, the output end of the second motor is transmission-connected to the second screw rod, the second screw rod is provided with a second slide, a square frame is provided at the bottom of the second slide, an electric push rod is provided inside the square frame, and the output end of the electric push rod is transmission-connected to the dispensing nozzle.

[0015] As an improved technical solution, wherein: a sliding rod is provided between a group of the support blocks, the sliding rod is slidably connected to the first slide, the first screw rod is rotatably connected to the support block, a sliding groove is provided at the bottom of the first slide, and the second slide is slidably connected to the sliding groove.

[0016] As an improved technical solution, wherein: the second screw is rotatably connected to the first slide, and a visual head is provided on the square frame.

[0017] After adopting the above technical solution, the beneficial effects of the utility model are:

[0018] 1. The utility model drives the first movable plate to move by the tension of the first spring, and the first movable plate drives the first buffer material to squeeze and clamp the PCB board in the left and right directions. At the same time, the push plate at the front end of the threaded rod is driven by the turntable to push the second movable plate, and the second movable plate drives the second buffer material to squeeze and clamp the PCB board in the front and back directions, so that the PCB board will not be offset during the dispensing operation, avoiding inaccurate dispensing position and eliminating the occurrence of poor contact of components, so that the quality of the PCB board meets the qualified requirements.

[0019] 2. The utility model drives the first slide on the first screw rod to move left and right through the first motor, the first slide drives the glue dispensing nozzle to move left and right through the power transmission structure, drives the second slide on the second screw rod to move forward and backward through the second motor, the second slide drives the glue dispensing nozzle to move forward and backward through the transmission structure, and then drives the glue dispensing nozzle to move up and down through the electric push rod, so that the glue dispensing nozzle can automatically dispense glue at any position on the PCB board without manual glue dispensing, thereby improving the accuracy of glue dispensing, increasing the qualified rate of PCB boards, and improving work efficiency.

[0020] 3. The utility model pushes the base through the push handle, and the base is moved through two sets of self-locking universal wheels, which is convenient for subsequent transportation during use, saves a lot of manpower and working time, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 The utility model is a schematic diagram of the overall structure of a PCB board automatic glue dispensing device.

[0023] Figure 2 The utility model is a schematic diagram of the structure of a clamping component of an automatic glue dispensing device for a PCB board.

[0024] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a clamping assembly of an automatic glue dispensing device for a PCB board.

[0025] Figure 4 The utility model is a schematic diagram of the structure of a glue dispensing component of an automatic glue dispensing device for a PCB board.

[0026] Figure 5 The utility model is a schematic cross-sectional structure diagram of a PCB board automatic glue dispensing device.

[0027] Description of reference numerals:

[0028] 1. Base; 2. Support block; 3. Glue dispensing assembly; 31. First motor; 32. First screw rod; 33. First slide; 34. Slide rod; 35. Second motor; 36. Second screw rod; 37. Slide groove; 38. Second slide; 39. Square frame; 310. Electric push rod; 311. Glue dispensing nozzle; 312. Visual head; 4. Clamping assembly; 41. Fixed seat; 42. First fixed block; 43. First fixture structure; 431. First guide Guide rod; 432, first movable plate; 433, first buffer material; 434, first spring; 435, pull plate; 44, second fixed block; 45, second clamp structure; 451, second guide rod; 452, second movable plate; 453, second buffer material; 454, second spring; 455, limit plate; 456, threaded rod; 457, hollow cylinder; 458, push plate; 459, turntable; 5, self-locking universal wheel; 6, push handle. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or a option in which both A and B are satisfied.

[0032] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model. Example 1

[0033] Reference Figure 1-3 , which is the first embodiment of the utility model, provides an automatic glue dispensing device for a PCB board, and the automatic glue dispensing device for a PCB board comprises a base 1, two groups of support blocks 2 are arranged on the top of the base 1, a glue dispensing component 3 is arranged on the support block 2, a clamping component 4 is arranged on the top of the base 1, two groups of self-locking universal wheels 5 are arranged on the top of the base 1, and a push handle 6 is arranged on one side of the base 1;

[0034] The clamping assembly 4 includes a fixing seat 41, which is arranged on the top of the base 1, a first fixing block 42 is provided on one side of the fixing seat 41, a first clamp structure 43 is provided on the first fixing block 42, a second fixing block 44 is provided at one end of the fixing seat 41, and a second clamp structure 45 is provided on the second fixing block 44. The PCB board is clamped and fixed by the clamping assembly 4, which avoids inaccurate dispensing position and eliminates the occurrence of poor contact of components.

[0035] The first clamp structure 43 includes a first guide rod 431, which is symmetrically arranged on the first fixed block 42, and the first guide rod 431 passes through the first fixed block 42. A first movable plate 432 is arranged at one end of the first guide rod 431, and a first buffer material 433 is arranged on one side of the first movable plate 432. A first spring 434 is sleeved on the outer surface of the first guide rod 431, and the first spring 434 is arranged between the first movable plate 432 and the first fixed block 42. A pulling plate 435 is arranged at the other end of the first guide rod 431, and the first movable plate 432 is pushed to move by the tension of the first spring 434. The first movable plate 432 drives the first buffer material 433 to squeeze and clamp the PCB board in the left and right directions to ensure that the PCB board will not deviate in the left and right directions.

[0036] The second clamp structure 45 includes a second guide rod 451, a second guide rod 451 is symmetrically arranged on the second fixed block 44, the second guide rod 451 passes through the second fixed block 44, a second movable plate 452 is arranged at one end of the second guide rod 451, a second buffer material 453 is arranged at one side of the second movable plate 452, a second spring 454 is sleeved on the outer surface of the second guide rod 451, the second spring 454 is arranged between the second movable plate 452 and the second fixed block 44, a limiting plate 455 is arranged at the other end of the second guide rod 451, and the second fixed block 44 is provided with a second spring 454. The fixed block 44 is threadedly connected with a threaded rod 456, one end of which is provided with a hollow cylinder 457, the other side of the second movable plate 452 is provided with a push plate 458, the hollow cylinder 457 is arranged inside the push plate 458, and the other end of the threaded rod 456 is provided with a turntable 459, and the turntable 459 drives the push plate 458 at the front end of the threaded rod 456 to push the second movable plate 452, and the second movable plate 452 drives the second buffer material 453 to squeeze and clamp the PCB board in the front and rear directions to ensure that the PCB board will not deviate in the left and right directions.

[0037] The first guide rod 431 is slidably connected to the first fixed block 42, the second guide rod 451 is slidably connected to the second fixed block 44, the hollow cylinder 457 is rotatably connected to the threaded rod 456, the first guide rod 431 guides the first movable plate 432, and the second guide rod 451 guides the second movable plate 452.

[0038] During use, the staff first pulls the pull plate 435, and the pull plate 435 drives the two symmetrical first guide rods 431 to move, and the first guide rods 431 drive the first movable plate 432 to move, thereby squeezing the first spring 434, and the first spring 434 generates tension. Then the staff places the PCB board on the fixed seat 41, and then releases the pull plate 435. Due to the tension of the first spring 434, the first movable plate 432 is pushed to move, and the first movable plate 432 drives the first buffer material 433 to squeeze the side end of the PCB board, so that the left and right directions of the PCB board are squeezed and clamped, and then the turntable 459 is rotated, and the turntable 459 drives the threaded rod 456 to rotate, and the threaded rod 456 passes through the thread on the second fixed block 44. The hole moves toward the direction close to the second movable plate 452, and the threaded rod 456 pushes the second movable plate 452 to move along the second guide rod 451 through the push plate 458. The second guide rod 451 drives the second buffer material 453 to squeeze one side of the PCB board, so that the front and rear directions of the PCB board are squeezed and clamped, and then during the dispensing operation, the PCB board will not be offset, thereby avoiding inaccurate dispensing position and eliminating the occurrence of poor contact of components, so that the quality of the PCB board meets the qualified requirements. The staff pushes the base 1 through the push handle 6, and the base 1 is moved by two sets of self-locking universal wheels 5, which is convenient for subsequent transportation during use, saving a lot of manpower and working time, and improving work efficiency. Example 2

[0039] Reference Figure 1-5 , which is the second embodiment of the utility model. This embodiment is different from the first embodiment in that: the dispensing component 3 includes a first motor 31, the output end of the first motor 31 is transmission-connected to the first screw rod 32, the first screw rod 32 is provided with a first slide 33, a second motor 35 is provided on one side of the first slide 33, the output end of the second motor 35 is transmission-connected to the second screw rod 36, the second screw rod 36 is provided with a second slide 38, a square frame 39 is provided at the bottom of the second slide 38, an electric push rod 310 is provided inside the square frame 39, and the output end of the electric push rod 310 is transmission-connected to the dispensing nozzle 311.

[0040] The first motor 31 drives the first slide on the first screw rod 32 to move left and right, the first slide 33 drives the glue nozzle 311 to move left and right through the power transmission structure, the second motor 35 drives the second slide 38 on the second screw rod 36 to move forward and backward, the second slide 38 drives the glue nozzle 311 to move forward and backward through the transmission structure, and then the electric push rod 310 drives the glue nozzle 311 to move up and down, so that the glue nozzle 311 can automatically dispense glue at any position on the PCB board.

[0041] A sliding rod 34 is provided between a group of support blocks 2, the sliding rod 34 is slidably connected to the first slide 33, the first screw rod 32 is rotatably connected to the support block 2, a sliding groove 37 is provided at the bottom of the first slide 33, and the second slide 38 is slidably connected to the sliding groove 37. The sliding rod 34 guides the first slide 33, and the sliding groove 37 guides the second slide 38.

[0042] The second screw rod 36 is rotatably connected to the first slide 33 , and a visual head 312 is provided on the square frame 39 , and the position of the glue dispensing is further determined by the visual head 312 , so that the glue dispensing operation is more accurate.

[0043] During use, the staff starts the first motor 31, and the first motor 31 drives the first slide 33 on the first screw rod 32 to move left and right along the slide rod 34, and the first slide 33 drives the glue dispensing nozzle 311 to move left and right through the power transmission structure, and then starts the second motor 35, and the second motor 35 drives the second slide 38 on the second screw rod 36 to move forward and backward along the slide groove 37, and the second slide 38 drives the glue dispensing nozzle 311 to move forward and backward through the transmission structure, and then starts the electric push rod 310, and the electric push rod 310 drives the glue dispensing nozzle 311 to move up and down, so that the glue dispensing nozzle 311 can automatically dispense glue at any position on the PCB board without manual dispensing, thereby improving the accuracy of dispensing, increasing the qualified rate of PCB boards, and improving work efficiency.

[0044] The remaining structures are the same as those of Example 1.

[0045] It should be understood that the purpose of these embodiments is only to illustrate the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all of these equivalent forms also fall within the protection scope defined by the claims attached to this application.

Claims

1. A PCB board automatic glue dispensing device, comprising a base (1), wherein two groups of support blocks (2) are provided on the top of the base (1), and the characteristics are: The support block (2) is provided with a dispensing assembly (3), the top of the base (1) is provided with a clamping assembly (4), the top of the base (1) is provided with two sets of self-locking universal wheels (5), and one side of the base (1) is provided with a push handle (6); The clamping assembly (4) comprises a fixing seat (41), the fixing seat (41) being arranged on the top of the base (1), a first fixing block (42) being arranged on one side of the fixing seat (41), a first clamping structure (43) being arranged on the first fixing block (42), a second fixing block (44) being arranged on one end of the fixing seat (41), and a second clamping structure (45) being arranged on the second fixing block (44).

2. The automatic glue dispensing device for PCB board according to claim 1, characterized in that: The first clamp structure (43) comprises a first guide rod (431), the first guide rod (431) is symmetrically arranged on the first fixed block (42), the first guide rod (431) passes through the first fixed block (42), a first movable plate (432) is arranged at one end of the first guide rod (431), a first buffer material (433) is arranged on one side of the first movable plate (432), a first spring (434) is sleeved on the outer surface of the first guide rod (431), the first spring (434) is arranged between the first movable plate (432) and the first fixed block (42), and a pulling plate (435) is arranged at the other end of the first guide rod (431).

3. The automatic glue dispensing device for PCB board according to claim 2 is characterized in that: The second clamp structure (45) comprises a second guide rod (451), the second guide rod (451) is symmetrically arranged on the second fixed block (44), the second guide rod (451) passes through the second fixed block (44), a second movable plate (452) is arranged at one end of the second guide rod (451), a second buffer material (453) is arranged at one side of the second movable plate (452), and a second spring (454) is sleeved on the outer surface of the second guide rod (451), and the second spring (454) is arranged on A limiting plate (455) is provided at the other end of the second guide rod (451) between the second movable plate (452) and the second fixed block (44); a threaded rod (456) is threadedly connected to the second fixed block (44); a hollow cylinder (457) is provided at one end of the threaded rod (456); a push plate (458) is provided at the other side of the second movable plate (452); the hollow cylinder (457) is arranged inside the push plate (458); and a rotating disk (459) is provided at the other end of the threaded rod (456).

4. The automatic glue dispensing device for PCB board according to claim 3 is characterized in that: The first guide rod (431) is slidably connected to the first fixed block (42), the second guide rod (451) is slidably connected to the second fixed block (44), and the hollow cylinder (457) is rotationally connected to the threaded rod (456).

5. The automatic glue dispensing device for PCB board according to claim 4 is characterized in that: The glue dispensing component (3) comprises a first motor (31), the output end of the first motor (31) is drivingly connected to a first screw rod (32), a first slide (33) is provided on the first screw rod (32), a second motor (35) is provided on one side of the first slide (33), the output end of the second motor (35) is drivingly connected to a second screw rod (36), a second slide (38) is provided on the second screw rod (36), a square frame (39) is provided at the bottom of the second slide (38), an electric push rod (310) is provided inside the square frame (39), and the output end of the electric push rod (310) is drivingly connected to a glue dispensing nozzle (311).

6. The automatic glue dispensing device for PCB board according to claim 5, characterized in that: A sliding rod (34) is provided between a group of the support blocks (2), the sliding rod (34) is slidably connected to the first slide (33), the first screw rod (32) is rotatably connected to the support block (2), a sliding groove (37) is provided at the bottom of the first slide (33), and the second slide (38) is slidably connected to the sliding groove (37).

7. The automatic glue dispensing device for PCB board according to claim 6, characterized in that: The second screw rod (36) is rotatably connected to the first slide (33), and a visual head (312) is provided on the square frame (39).

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