Dispensing machine for PCBA (printed circuit board assembly)

Abstract

The utility model relates to the technical field of PCBA (printed circuit board assembly) board dispensing, and discloses a dispensing machine for PCBA boards, which comprises a machine table and a dispensing head, a clamp is arranged on the surface of the machine table, the dispensing machine for PCBA boards is provided with a control assembly, and when an output shaft of a motor drives a rotating rod to rotate in a cylinder, the rotating rod is driven by a motor to rotate in the cylinder. The stirring blades fixed to the bottom of the rotating rod can stir glue in the glue tank, meanwhile, the circular plate fixed to the surface of the rotating rod and the protruding block can rotate synchronously, the protruding block abuts against the tangent plane of the flat rod in the rotating process, the flat rod is stressed and supported by the spring to transversely move in the cylinder, and when the flat rod moves, the protruding block abuts against the tangent plane of the flat rod. The arc plate fixed on the surface of the flat rod can drive the hole plate to transversely swing in the glue tank, and the hole plate is inclined, so that the glue is pushed to flow in different directions in the swinging process, various flowing forms such as convection and vortex are generated in the glue, and the condition of layered precipitation caused by standing or single rotation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCBA board point gum technical field, concretely is a kind of PCBA board is used point gum machine. BACKGROUND

[0002] PCB empty board is stored in SMT, or the whole process of DIP plug-in, is abbreviated as PCBA, point gum machine is also called glueing machine, drop glue machine, punch gum machine, glue filling machine etc., is specially controlled to fluid, and fluid is dropped, coated on product surface or product inside the automatic machine, can realize three-dimensional, four-dimensional path point gum, accurate positioning, accurate control glue, not wire drawing, not glue leakage, not drip glue.

[0003] Point gum machine is mainly used for glue, paint and other liquid in product process accurate point, injection, coating, drop to each product accurate position, can be used to realize dotting, line drawing, circular or arc type.

[0004] According to the point gum machine for PCBA board (announcement number: CN214183823U) disclosed, the above-mentioned application stores glue in the glue pipe, and the solid components in the glue may gradually precipitate to the bottom of the glue cylinder due to gravity during static storage, causing stratification and affecting the curing effect of the glue, so that the adhesive strength on the PCBA board cannot meet the expectation, and even the glue cannot be cured. To solve this problem, we provide a point gum machine for PCBA board. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a point gum machine for PCBA board to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a point gum machine for PCBA board, comprising a machine table and a point gum head, the surface of the machine table is provided with a clamp, the top of the machine table is fixedly installed with a rack, the inner wall of the rack is provided with a hydraulic rod, the surface of the hydraulic rod is fixedly installed with a supporting plate, the supporting plate is penetrated by a fixed rod and is slidably connected with the fixed rod, the fixed rod is fixedly installed on the inner wall of the rack, the bottom of the supporting plate is fixedly installed with a point gum head, the top of the supporting plate is fixedly installed with a glue tank, the glue tank is provided with a control assembly for preventing stratification of glue curing, the control assembly comprises: a hole plate, the hole plate is fixedly installed on the surface of an arc plate, the surface of the arc plate is fixedly installed with a flat rod, the flat rod penetrates a cylinder and is slidably connected with the cylinder, the cylinder is fixedly installed on the inner wall of the glue tank, so that convection, vortex and other flow forms are generated in the glue, and stratification and precipitation caused by static or single rotation are avoided.

[0007] Preferably, the control assembly further comprises a swing element, the swing element comprising: a spring, one end of the spring being fixedly installed on the inner wall of the cylinder, the other end of the spring being fixedly installed on the surface of the flat rod, when the section of the flat rod is no longer resisted, the flat rod can pop up under the support of the spring.

[0008] Preferably, the top of the glue tank is fixedly installed with a motor, the output shaft of the motor is fixedly connected with the surface of the rotating rod, the rotating rod penetrates through the glue tank and is rotationally connected with the glue tank, and the output shaft of the motor can drive the rotating rod to perform circumferential motion in the glue tank.

[0009] Preferably, the rotating rod penetrates through the circular plate and is fixedly connected with the circular plate, the surface of the circular plate is fixedly installed with a protruding block, the rotating rod penetrates through the cylinder and is rotationally connected with the cylinder, and when the rotating rod rotates, the circular plate fixed on the surface of the rotating rod and the protruding block can synchronously rotate in the cylinder.

[0010] Preferably, the rotating rod penetrates through the supporting disc and is fixedly connected with the supporting disc, the surface of the supporting disc is fixedly connected with one end of a supporting rod, the other end of the supporting rod is fixedly installed on the surface of a scraping plate, the scraping plate is attached to the inner wall of the glue tank, and when the supporting disc rotates, the scraping plate connected with the supporting rod on the surface of the supporting disc can synchronously rotate on the inner wall of the glue tank.

[0011] Preferably, the bottom of the supporting disc is fixedly installed with an agitating blade, the agitating blade is rotationally connected with the inner wall of the glue tank, and when the supporting disc rotates, the agitating blade fixed on the bottom of the supporting disc can synchronously rotate in the glue tank to mix the glue.

[0012] Preferably, the section of the flat rod is a parallelogram, the surface of the flat rod is attached to the surface of the circular plate, and since the section of the flat rod is a parallelogram, when the flat rod is resisted by the rotating force of the circular plate, the flat rod can move horizontally in the cylinder.

[0013] Compared with the prior art, the utility model provides a glue dispenser for PCBA board, has the following beneficial effects:

[0014] 1、The glue dispenser for PCBA board, through setting up control assembly, the output shaft of motor drives rotating rod to rotate in cylinder, agitating blade fixed on the bottom of rotating rod can agitate glue in glue tank, circular plate and protruding block fixed on the surface of rotating rod can rotate synchronously, protruding block will resist the section of flat rod in the process of rotating, flat rod moves horizontally in cylinder under the support of spring, when flat rod moves, arc plate fixed on the surface of flat rod can drive hole plate to swing horizontally in glue tank, and since hole plate is inclined, pushes glue to flow in different directions in the process of swinging, so that the internal convection, eddy current and multiple flow forms such as vortex of glue are generated, avoid stratification and deposition due to static or single rotation.

[0015] 2、The PCBA board is glued by the glue dispenser, the control assembly is arranged, the fixed support disc of the rotating rod can rotate synchronously when the rotating rod rotates, the support disc can rotate, the scraper connected with the support rod on the surface of the support disc can move in the glue tank synchronously, the scraper can scrape the glue on the inner wall of the glue tank during rotation, and the glue is prevented from solidifying on the inner wall of the glue tank. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view sectional structure schematic diagram of the utility model;

[0018] Figure 3 It is a top view structural schematic diagram of the utility model;

[0019] Figure 4 It is a glue tank sectional structure schematic diagram of the utility model.

[0020] In the drawing: 1, machine table; 2, clamp; 3, rack; 4, hydraulic rod; 5, support plate; 6, fixed rod; 7, glue tank; 8, glue head; 9, control assembly; 91, hole plate; 92, arc plate; 93, flat rod; 94, cylinder; 95, swing piece; 951, spring; 952, round plate; 953, lug; 954, rotating rod; 955, motor; 956, support disc; 957, support rod; 958, scraper; 959, stirring blade. DETAILED DESCRIPTION

[0021] As Figures 1-4The utility model provides a kind of technical scheme shown in the utility model provides a kind of technical scheme: a PCBA board is glued with point gum machine, including machine table 1 and point gum head 8, the surface of machine table 1 is provided with clamp 2, the top of machine table 1 is fixedly installed with rack 3, the inner wall of rack 3 is provided with hydraulic rod 4, the surface of hydraulic rod 4 is fixedly installed with support plate 5, support plate 5 is fixed by fixed rod 6 and is slidably connected with fixed rod 6, fixed rod 6 is fixedly installed on the inner wall of rack 3, the bottom of support plate 5 is fixedly installed with point gum head 8, the top of support plate 5 is fixedly installed with glue tank 7, glue tank 7 is provided with the control assembly 9 for preventing glue solidification stratification in, control assembly 9 includes: hole plate 91, hole plate 91 is fixedly installed on the surface of arc plate 92, arc plate 92 is fixedly installed with flat bar 93 on the surface, flat bar 93 is through cylinder 94 and is slidably connected with cylinder 94, cylinder 94 is fixedly installed on the inner wall of glue tank 7, flat bar 93 is forced to move in transverse in cylinder 94 under the support of spring 951, when flat bar 93 moves, arc plate 92 fixed on the surface of flat bar 93 can drive hole plate 91 to swing in transverse in glue tank 7, and hole plate 91 is inclined, therefore push glue to form different direction flow in the process of swinging, so that the internal flow of glue generates convection, eddy current and multiple flow forms, avoid stratification and deposition due to static or single rotation.

[0022] The control assembly 9 further comprises a swing member 95, the swing member 95 comprises a spring 951, one end of the spring 951 is fixedly installed on the inner wall of the cylinder 94, the other end of the spring 951 is fixedly installed on the surface of the flat rod 93, when the tangent surface of the flat rod 93 is no longer resisted, the flat rod 93 can be popped up under the support of the spring 951. The top of the glue tank 7 is fixedly installed with a motor 955, the output shaft of the motor 955 is fixedly connected with the surface of a rotating rod 954, the rotating rod 954 penetrates through the glue tank 7 and is in rotational connection with the glue tank 7, the output shaft of the motor 955 can drive the rotating rod 954 to move in a circle in the glue tank 7. The rotating rod 954 penetrates through a circular plate 952 and is fixedly connected with the circular plate 952, the surface of the circular plate 952 is fixedly installed with a protruding block 953, the rotating rod 954 penetrates through a cylinder 94 and is in rotational connection with the cylinder 94, when the rotating rod 954 rotates, the circular plate 952 and the protruding block 953 fixedly connected with the surface of the rotating rod 954 can synchronously rotate in the cylinder 94. The rotating rod 954 penetrates through a supporting disc 956 and is fixedly connected with the supporting disc 956, the surface of the supporting disc 956 is fixedly connected with one end of a supporting rod 957, the other end of the supporting rod 957 is fixedly installed on the surface of a scraping plate 958, the scraping plate 958 is attached to the inner wall of the glue tank 7, when the supporting disc 956 rotates, the scraping plate 958 connected with the supporting disc 956 through the supporting rod 957 can synchronously rotate on the inner wall of the glue tank 7. The bottom of the supporting disc 956 is fixedly installed with an agitator 959, the agitator 959 is in rotational connection with the inner wall of the glue tank 7, when the supporting disc 956 rotates, the agitator 959 fixedly connected with the bottom of the supporting disc 956 can synchronously rotate in the glue tank 7 to mix the glue. The tangent surface of the flat rod 93 is a parallelogram, the surface of the flat rod 93 is attached to the surface of the circular plate 952, the tangent surface of the flat rod 93 is a parallelogram, therefore, when the flat rod 93 is resisted by the rotating force of the circular plate 952, the flat rod 93 can move horizontally in the cylinder 94.

[0023] In the utility model, when using, the PCBA board needing to carry out point gluing is placed on the surface of the machine table 1, after placing, the clamp 2 is moved by using the electric push rod, the PCBA board is fixed, after fixing, the motor 955 at the top of the glue tank 7 is started, the output shaft of the motor 955 drives the rotating rod 954 to rotate in the cylinder 94, when the rotating rod 954 rotates, the rotating rod 954 surface can rotate in the glue tank 7 by the stirring blade 959 connected by the support disc 956, the glue is stirred, and when the rotating rod 954 rotates, the fixed circular plate 952 and the convex block 953 on the rotating rod 954 surface can rotate synchronously, the convex block 953 touches the tangent plane of the flat rod 93 in the rotating process, the flat rod 93 moves horizontally in the cylinder 94 under the support of the spring 951, when the flat rod 93 moves, the fixed arc plate 92 on the flat rod 93 surface can drive the hole plate 91 to swing horizontally in the glue tank 7, and the hole plate 91 is inclined, so the glue is pushed to flow in different directions in the swinging process, so that the convection, eddy current and various flow forms in the glue are generated, the stratified precipitation due to static or single rotation is avoided, and when the rotating rod 954 rotates, the fixed support disc 956 on the rotating rod 954 surface can rotate synchronously, when the support disc 956 rotates, the scraping plate 958 connected by the support rod 957 on the support disc 956 surface can move circumferentially in the glue tank 7, the scraping plate 958 can scrape the glue adhered to the inner wall of the glue tank 7 in the rotating process, the solidification of the glue on the inner wall of the glue tank 7 is avoided, after mixing for a certain time, the valve on the surface of the point gluing head 8 is opened, the glue is extruded and discharged, and the PCBA board is point glued.

[0024] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modification or improvement without departing from the utility model idea spirit is within the protection scope of the utility model.

Claims

1. A dispensing machine for PCBA board, comprising a machine table (1) and a dispensing head (8), characterized in that: The surface of the machine table (1) is provided with a clamp (2), the top of the machine table (1) is fixedly installed with a rack (3), the inner wall of the rack (3) is provided with a hydraulic rod (4), the surface of the hydraulic rod (4) is fixedly installed with a supporting plate (5), the supporting plate (5) is penetrated by a fixed rod (6) and is in sliding connection with the fixed rod (6), the fixed rod (6) is fixedly installed on the inner wall of the rack (3), the bottom of the supporting plate (5) is fixedly installed with a glue head (8), the top of the supporting plate (5) is fixedly installed with a glue tank (7), the glue tank (7) is provided with a control assembly (9) for preventing the glue from solidifying and stratifying, the control assembly (9) comprises: a hole plate (91) fixedly installed on the surface of an arc plate (92), the surface of the arc plate (92) is fixedly installed with a flat rod (93), the flat rod (93) penetrates a cylinder (94) and is in sliding connection with the cylinder (94), and the cylinder (94) is fixedly installed on the inner wall of the glue tank (7).

2. The glue dispenser for PCBA board according to claim 1, characterized in that: The control assembly (9) further comprises a swing piece (95), and the swing piece (95) comprises: a spring (951), one end of the spring (951) is fixedly installed on the inner wall of the cylinder (94), and the other end of the spring (951) is fixedly installed on the surface of the flat rod (93).

3. The glue dispenser for PCBA board according to claim 1, characterized in that: The top of the glue tank (7) is fixedly installed with a motor (955), the output shaft of the motor (955) is fixedly connected with the surface of a rotating rod (954), the rotating rod (954) penetrates the glue tank (7) and is in rotary connection with the glue tank (7).

4. The glue dispenser for PCBA board according to claim 3, characterized in that: The rotating rod (954) penetrates a circular plate (952) and is fixedly connected with the circular plate (952), the surface of the circular plate (952) is fixedly installed with a protruding block (953), and the rotating rod (954) penetrates the cylinder (94) and is in rotary connection with the cylinder (94).

5. The glue dispenser for PCBA board according to claim 4, characterized in that: The rotating rod (954) penetrates a supporting disc (956) and is fixedly connected with the supporting disc (956), the surface of the supporting disc (956) is fixedly connected with one end of a supporting rod (957), the other end of the supporting rod (957) is fixedly installed on the surface of a scraping plate (958), and the scraping plate (958) is attached to the inner wall of the glue tank (7).

6. The glue dispenser for PCBA board according to claim 5, characterized in that: The bottom of the supporting disc (956) is fixedly installed with a stirring blade (959), and the stirring blade (959) is in rotary connection with the inner wall of the glue tank (7).

7. The glue dispenser for PCBA board according to claim 4, characterized in that: The section shape of the flat rod (93) is a parallelogram, and the surface of the flat rod (93) is attached to the surface of the circular plate (952).

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