Glue wiping mechanism of glue dispenser

Abstract

The utility model discloses a dispensing machine frictioning mechanism which comprises a dispensing table, a vertical frame is arranged on the upper side of the dispensing table through a first lead screw, a sliding seat is arranged at the top in the vertical frame in a sliding mode through a second lead screw, a supporting seat is arranged at the lower end of the sliding seat through a first air cylinder, and a connecting shaft is rotationally arranged on the lower portion in the supporting seat. One end of the connecting shaft is in transmission connection with a motor through a gear set, the lower end of the connecting shaft is provided with a frictioning support through a positioning seat, the lower side of one end of the frictioning support is provided with a frictioning layer, and the upper side of the dispensing table is further provided with a circuit board positioning clamp. Then the first air cylinder, the first lead screw and the second lead screw drive the frictioning support to move along the X axis, the Y axis and the Z axis to adjust and wipe the outer portion of the portion where dispensing is completed, meanwhile, the first air cylinder drives the frictioning support to be adjusted in a lifting mode, and therefore the use height of the frictioning support can be adjusted, and frictioning use treatment of different degrees can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board glue erasing, in particular to a glue erasing mechanism for a glue dispensing machine. Background Art

[0002] PCB board is the full name of PCB circuit board, also known as printed circuit board or printed circuit board, which is the provider of electrical connections for electronic components. According to the number of layers of the circuit board, it can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multi-layer circuit boards. At present, in the production process of PCB boards, it is necessary to perform glue dispensing around the transformer, color ring inductor, capacitor, diode, AC lead, etc., to fix the components and insulate. After the components are glued, the excess needs to be wiped with a glue wiping mechanism, and the colloid can be evenly spread at the same time.

[0003] In the prior art, an automatic glue dispensing machine wiping mechanism with application number 202121995113.1 includes a fixed module, a lifting module, and a movable module. The lifting module is arranged between the fixed module and the movable module, and the movable module is arranged in parallel with the fixed module, and the movable module moves up and down with the lifting of the lifting module; and the dust-free cloth is dragged to drive the dust-free cloth to wipe the glue dispensing needle, and the receiving cloth roll rewinds the dust-free cloth released by the feeding cloth roll. The device has good wiping effect, reduces costs, has a high degree of automation, a large dust-free cloth reserve, a long sustainable use time, reduces the replacement frequency of wiping consumables, and improves efficiency. However, the wiping accuracy is poor, and the outside of the glue dispensing cannot be subjected to a circular wiping process, and the wiping uniformity is poor. Utility Model Content

[0004] The utility model aims to provide a glue wiping mechanism for a glue dispenser, so as to solve the problems in the prior art that the glue wiping precision is poor, the outer part of the glue dispenser cannot be subjected to annular glue wiping treatment, and the glue wiping uniformity is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a glue-wiping mechanism of a glue dispensing machine, comprising a glue dispensing table, a vertical frame is provided on the upper side of the glue dispensing table through a first screw, a sliding seat is provided on the top of the vertical frame through a second screw, a support seat is provided at the lower end of the sliding seat through a first cylinder, a connecting shaft is rotatably provided at the lower part of the support seat, one end of the connecting shaft is connected to a motor through a gear set, a glue-wiping bracket is provided at the lower end of the connecting shaft through a positioning seat, a glue-wiping layer is provided on the lower side of one end of the glue-wiping bracket, and a circuit board positioning fixture is also provided on the upper side of the glue dispensing table.

[0006] Furthermore, the first lead screw is a Y-axis lead screw, the second lead screw is an X-axis lead screw, a limit slider is provided on one side of the slide seat, and the limit slider is slidably arranged with a limit slide groove at the top of the frame.

[0007] Further, the gear set is a reduction conical gear set, and the motor is fixedly installed outside the support base.

[0008] Further, the support base is a U-shaped base, and the lower end surface of the support base is parallel to the upper end surface of the dispensing table.

[0009] Further, the rubber wiping bracket transversely slides through a through hole inside the positioning seat, and a locking bolt is provided on the side wall of the positioning seat in a threaded manner.

[0010] Further, the rubber wiping bracket is a horizontally J-shaped bracket, and the rubber wiping layer at the lower end of the rubber wiping bracket is a flexible liquid-absorbing structure.

[0011] Further, the circuit board positioning fixture includes fixed clamping plates and movable clamping plates provided on the upper sides of both ends of the dispensing table, and one end of the movable clamping plate is fixedly connected through a vertical plate and a second air cylinder.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, a circuit board positioning fixture is further provided on the upper side of the dispensing table. The circuit board positioning fixture includes fixed clamping plates and movable clamping plates provided on the upper sides of both ends of the dispensing table, and one end of the movable clamping plate is fixedly connected through a vertical plate and a second air cylinder. The second air cylinder is driven to move the movable clamping plate towards the fixed clamping plate side to clamp and fix both ends of the circuit board after dispensing, preventing the circuit board from moving during rubber wiping, which is beneficial to improving the precision of rubber wiping.

[0014] 2. In the present utility model, the rubber wiping bracket is driven by a first air cylinder, a first lead screw, and a second lead screw to move and adjust along the X-axis, Y-axis, and Z-axis to wipe the outside of the part where dispensing is completed. At the same time, the first air cylinder is driven to lift and adjust the rubber wiping bracket, so that the use height of the rubber wiping bracket can be adjusted, which can meet different degrees of rubber wiping use, and the rubber wiping efficiency is relatively high.

[0015] 3. In the present utility model, a connecting shaft is rotatably provided in the lower part of the support base. One end of the connecting shaft is传动连接有电动机,连接轴下端通过定位座设有擦胶支架,使得通过电动机和齿轮组可驱动连接轴和擦胶支架水平旋转调节,从而可对点胶外部进行环形擦胶处理,擦胶均匀性较强,效果较好。 BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] It should be noted that there is an unclear expression in the original text of item where "传动连接有电动机" is not clearly written in Chinese characters. I have translated it according to the general context, but it may need to be adjusted according to the correct Chinese expression. Figure 2 Structural connection diagram of the support base and the rubber rubbing bracket of the present utility model;

[0019] Figure 3 Schematic structural diagram of the rubber rubbing bracket of the present utility model.

[0020] In the figure: 1, dispensing table; 2, first cylinder; 3, vertical frame; 4, second lead screw; 5, fixed clamping plate; 6, vertical plate; 7, movable clamping plate; 8, second cylinder; 9, sliding seat; 10, limit slider; 11, limit chute; 12, support base; 13, rubber rubbing bracket; 14, rubber rubbing layer; 15, first lead screw; 16, positioning seat; 17, gear set; 18, motor; 19, locking bolt; 20, connecting shaft. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , in the embodiment of the present utility model, a rubber rubbing mechanism of a dispensing machine includes a dispensing table 1. A vertical frame 3 is provided on the upper side of the dispensing table 1 through a first lead screw 15. A sliding seat 9 is slidably provided at the inner top of the vertical frame 3 through a second lead screw 4. A support base 12 is provided at the lower end of the sliding seat 9 through a first cylinder 2. A connecting shaft 20 is rotatably provided at the lower inner part of the support base 12. One end of the connecting shaft 20 is drivingly connected to a motor 18 through a gear set 17. A rubber rubbing bracket 13 is provided at the lower end of the connecting shaft 20 through a positioning seat 16. The gear set 17 is a reduction conical gear set, and the motor 18 is fixedly installed outside the support base 12. The support base 12 is a U-shaped seat, and the lower end surface of the support base 12 is parallel to the upper end surface of the dispensing table 1, so that the connecting shaft 20 and the rubber rubbing bracket 13 can be driven to horizontally rotate and adjust through the motor 18 and the gear set 17, thereby enabling annular rubber rubbing treatment outside the dispensing, with strong rubber rubbing uniformity and good effect.

[0023] Such as Figure 1 and Figure 2As shown, in order to be able to move and adjust along the X-axis, Y-axis and Z-axis for gluing treatment, the second lead screw 4 is the X-axis lead screw, a limit slider 10 is provided on one side of the slide seat 9, and the limit slider 10 is slidably arranged with the limit slide groove 11 at the top of the stand 3, and a gluing layer 14 is provided on the lower side of one end of the gluing bracket 13, the first lead screw 15 is the Y-axis lead screw, the gluing bracket 13 is a horizontal J-shaped bracket, and the gluing layer 14 at the lower end of the gluing bracket 13 is a flexible liquid absorbing structure, specifically a sponge layer, and the gluing bracket 13 is driven to move and adjust along the X-axis, Y-axis and Z-axis for gluing treatment by the first cylinder 2, the first lead screw 15 and the second lead screw 4 provided on the upper part of the glue dispensing platform 1, and the gluing bracket 13 is driven to move and adjust along the X-axis, Y-axis and Z-axis for gluing treatment, and the gluing bracket 13 is driven to rise and fall by the first cylinder 2, so that the use height of the gluing bracket 13 can be adjusted to meet different degrees of gluing treatment, and the gluing efficiency is relatively high.

[0024] like Figure 1 As shown, in order to move the circuit board when erasing the glue, which is beneficial to improving the accuracy of erasing, a circuit board positioning fixture is also provided on the upper side of the glue dispensing platform 1. The circuit board positioning fixture includes a fixed clamp 5 and a movable clamp 7 arranged on the upper sides of both ends of the glue dispensing platform 1, and one end of the movable clamp 7 is connected and fixed by a vertical plate 6 and a second cylinder 8. The movable clamp 7 is driven by the second cylinder 8 to move toward the side close to the fixed clamp 5, which is used to clamp and fix the two ends of the circuit board after the glue is applied, so as to prevent the circuit board from moving when erasing the glue, which is beneficial to improving the accuracy of erasing the glue.

[0025] like Figure 2 As shown, in order to facilitate the disassembly, assembly and positioning of the eraser bracket 13, the eraser bracket 13 slides horizontally through the through hole inside the positioning seat 16, and the side wall of the positioning seat 16 is threaded with a locking bolt 19, which makes it easy to disassemble, assemble and position the eraser bracket 13, and by adjusting the depth of the eraser bracket 13 inserted into the positioning seat 16, the radius of the rotating eraser of the eraser layer 14 can be adjusted, and the adjustment is convenient and quick.

[0026] The working principle and use process of the utility model are as follows: when in use, the circuit board positioning fixture provided on the upper side of the glue dispensing platform 1 is used to clamp and fix the two ends of the circuit board after glue dispensing, so as to prevent the circuit board from moving when the glue is wiped, which is beneficial to improve the accuracy of glue wiping, and the first cylinder 2, the first lead screw 15 and the second lead screw 4 provided on the upper part of the glue dispensing platform 1 drive the glue wiping bracket 13 to move and adjust along the X-axis, the Y-axis and the Z-axis to perform glue wiping processing, and at the same time, the first cylinder 2 drives the glue wiping bracket 13 to rise and fall, so that the use height of the glue wiping bracket 13 can be adjusted, which can meet the use and processing of glue wiping at different degrees, and the glue wiping efficiency is relatively high.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A glue-wiping mechanism for a glue dispensing machine, comprising a glue dispensing station (1), characterized in that: Above the dispensing table (1), there is a vertical frame (3) provided through a first lead screw (15). Inside the top of the vertical frame (3), a sliding seat (9) is provided through a second lead screw (4). At the lower end of the sliding seat (9), there is a support seat (12) provided through a first air cylinder (2). Inside the lower part of the support seat (12), a connecting shaft (20) is rotatably provided. One end of the connecting shaft (20) is drivingly connected to a motor (18) through a gear set (17). At the lower end of the connecting shaft (20), a rubber wiping bracket (13) is provided through a positioning seat (16). On the lower side of one end of the rubber wiping bracket (13), there is a rubber wiping layer (14). Above the dispensing table (1), there is also a circuit board positioning fixture.

2. The glue-wiping mechanism of a glue dispensing machine according to claim 1, characterized in that: The first lead screw (15) is a Y-axis lead screw, and the second lead screw (4) is an X-axis lead screw.

3. The glue-wiping mechanism of a glue dispensing machine according to claim 1, characterized in that: The gear set (17) is a reduction conical gear set, and the motor (18) is fixedly installed outside the support seat (12).

4. The glue-wiping mechanism of a glue dispensing machine according to claim 3, characterized in that: The support seat (12) is a U-shaped seat, and the lower end surface of the support seat (12) is parallel to the upper end surface of the dispensing table (1).

5. The glue-erasing mechanism of a glue dispensing machine according to claim 1, characterized in that: The rubber wiping bracket (13) is horizontally slidably penetrated through a through hole inside the positioning seat (16), and a locking bolt (19) is threadedly provided on the side wall of the positioning seat (16).

6. The glue-erasing mechanism of a glue dispensing machine according to claim 5, characterized in that: The rubber wiping bracket (13) is a horizontally J-shaped bracket, and the rubber wiping layer (14) at the lower end of the rubber wiping bracket (13) is a flexible liquid-absorbing structure.

7. The glue-erasing mechanism of a glue dispensing machine according to claim 1, characterized in that: The circuit board positioning fixture includes fixed clamping plates (5) and movable clamping plates (7) provided on the upper sides of both ends of the dispensing table (1), and one end of the movable clamping plate (7) is fixedly connected through a vertical plate (6) and a second air cylinder (8).

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