Dispensing preheating module

Abstract

The utility model discloses a dispensing preheating module which comprises a heating base, a circuit board positioning groove is formed in the upper middle portion of the heating base, vertical plates are arranged on the upper side of the heating base through a sliding mechanism, an upper support is inserted into the two vertical plates, a lead screw is rotationally arranged at the top in the upper support, and a first sliding seat is arranged on the lead screw in an external thread mode. The vertical plate, the upper support, the lead screw and the first sliding base are arranged on the upper side of the heating base through the sliding mechanism, the first sliding base is provided with the heat gathering cover and the preheating lamp, and an adjusting handle is arranged at one end of the lead screw. According to the glue dispensing preheating device, the situation that a circuit board is accelerated to age due to large-area preheating is prevented, the glue dispensing preheating use safety is improved, the preheating lamp can be moved and adjusted along the X-axis and the Y-axis through the sliding mechanism, the lead screw and the first sliding base, therefore, preheating use treatment of different positions is met, and glue dispensing preheating efficiency is improved advantageously.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board preheating, in particular to a glue dispensing preheating module. Background Art

[0002] PCB board, also known as printed circuit board or printed circuit board, 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. Nowadays, with the continuous development of integrated circuits, electronic products are also changing with each passing day. Printed circuit boards, or PCB boards, play an important role in the field of electronic technology. PCB boards have high wiring density, small size and light weight, which are conducive to the miniaturization of electrical equipment. At present, in the production process of PCB boards, it is necessary to perform glue dispensing around transformers, color ring inductors, capacitors, diodes, AC leads, etc., to fix components and insulate.

[0003] The prior art discloses a heating module for gluing PCB boards with application number 201821923510.6, wherein the inner upper side walls of the module bracket are symmetrically provided with clamping plate grooves, and the inner middle part of the module bracket is provided with a heating module device, wherein the heating module device comprises a clamping plate, a first fixing screw, a heating module, a heat conducting plate, a second fixing screw and a conductive clamp, wherein the clamping plates are symmetrically fixedly mounted on the inner middle side walls of the module bracket, and the inner sides of the two groups of clamping plates are fixedly connected to the heating module by the first fixing screws. The utility model is advantageous for heating PCB boards of different lengths and specifications, and has a good effect of continuous heating in the gluing process of the PCB board, and is advantageous for improving the gluing quality of the PUB board. However, the circuit board is subjected to comprehensive heating treatment, and large-area preheating is prone to accelerate aging of components and circuit boards that do not require gluing, thus affecting the safety of gluing preheating. Utility Model Content

[0004] The purpose of the utility model is to provide a glue dispensing preheating module to solve the problem that the prior art adopts a comprehensive heating treatment of the circuit board. Large-area preheating easily causes accelerated aging of components and circuit boards that do not require glue dispensing, affecting the safety of glue dispensing preheating.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dispensing preheating module, comprising a heating base, a circuit board positioning groove is provided in the middle part of the heating base, a vertical plate is provided on the upper side of the heating base through a sliding mechanism, and an upper bracket is inserted into the upper side of the two vertical plates, a screw rod is rotatably provided at the top of the upper bracket, a first slide seat is threaded on the outer side of the screw rod, and the first slide seat is provided with a heat collecting cover and a preheating lamp, and an adjustment handle is provided at one end of the screw rod.

[0006] Furthermore, the sliding mechanism includes limiting slide grooves on the upper sides of both ends of the heating base, a second slide seat is slidably provided inside the limiting slide groove through a limiting rod, and the lower end of the vertical plate is vertically welded to the second slide seat.

[0007] Furthermore, the limiting slide groove is a rectangular slide groove, and the second slide seat is a rectangular sliding block.

[0008] Furthermore, a storage cavity is provided at one end of the vertical plate, and the lower sides of both ends of the upper bracket are inserted into the storage cavity.

[0009] Furthermore, a positioning hole is provided on the upper side wall of the storage cavity, and a locking bolt is provided in the inner thread of the positioning hole.

[0010] Furthermore, a first heat dissipation hole is provided at the lower portion of the circuit board positioning groove, and second heat dissipation holes are provided in the heating base at both sides of the lower end of the first heat dissipation hole.

[0011] Furthermore, a guide slide block is provided on one side of the first slide seat, and the guide slide block is slidably arranged with a guide slide groove at the top of the upper bracket.

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

[0013] 1. In the utility model, a vertical plate, an upper bracket, a screw rod and a first slide are arranged on the upper side of the heating base through a sliding mechanism, and the first slide is provided with a heat collecting cover and a preheating lamp, so that the circuit board placed on the heating base can be locally heated to prevent the accelerated aging of the circuit board caused by large-area preheating, thereby improving the safety of the preheating of the dispensing glue. Moreover, the preheating lamp can be moved and adjusted along the X-axis and the Y-axis through the sliding mechanism, the screw rod and the first slide, thereby meeting the preheating use and processing at different positions, which is beneficial to improving the efficiency of the preheating of the dispensing glue.

[0014] 2. The utility model is provided with a storage cavity at one end of the vertical plate, and the lower sides of both ends of the upper bracket are inserted into the storage cavity, so that the use height of the upper bracket and the preheating lamp can be adjusted by adjusting the depth of the upper bracket inserted into the storage cavity, which can meet the preheating use treatment at different heights, and the upper side wall of the storage cavity is provided with a positioning hole and a locking bolt for positioning the upper bracket after the height is adjusted.

[0015] 3. The utility model provides a circuit board positioning groove in the middle of the heating base, which is used to position the preheated circuit to prevent the circuit board from moving during preheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

[0018] Figure 2 This is a structural diagram of the heating base structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the vertical plate structure of the utility model.

[0020] In the figure: 1. heating base; 2. vertical plate; 3. upper bracket; 4. screw rod; 5. first slide seat; 6. preheating lamp; 7. heat collecting cover; 8. adjustment handle; 9. locking bolt; 10. guide slider; 11. guide slide groove; 12. circuit board positioning groove; 13. second heat dissipation hole; 14. first heat dissipation hole; 15. limit rod; 16. second slide seat; 17. limit slide groove; 18. positioning hole; 19. storage cavity. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In an embodiment of the utility model, a dispensing preheating module includes a heating base 1. A circuit board positioning groove 12 is provided in the middle of the heating base 1 for positioning the preheated circuit to prevent the circuit board from moving during preheating. A first heat dissipation hole 14 is provided at the lower part of the circuit board positioning groove 12. Second heat dissipation holes 13 are provided in the heating base 1 on both sides of the lower end of the first heat dissipation hole 14 to facilitate ventilation and heat dissipation of the lower part of the circuit board positioning groove 12.

[0023] like Figure 1 and Figure 2As shown, in order to realize local heating of the circuit board, a vertical plate 2 is also provided on the upper side of the heating base 1 through a sliding mechanism, and an upper bracket 3 is inserted into the upper side of the two vertical plates 2, a screw rod 4 is rotatably provided at the top of the upper bracket 3, a first slide seat 5 is threadedly provided on the outer side of the screw rod 4, and the first slide seat 5 is provided with a heat collecting cover 7 and a preheating lamp 6, the preheating lamp 6 is an infrared heating tube, an adjustment handle 8 is provided at one end of the screw rod 4 for rotating and adjusting the screw rod 4, and the sliding mechanism includes a limit slide groove 17 provided on the upper side of both ends of the heating base 1, and the limit slide groove 17 is provided with a limit rod 15 inside. A second slide 16 is provided for sliding, the lower end of the vertical plate 2 is vertically welded to the second slide 16, the limiting slide groove 17 is a rectangular slide groove, and the second slide 16 is a rectangular slider, so that the circuit board placed on the heating base 1 can be locally heated to prevent large-area preheating from accelerating aging of the circuit board, thereby improving the safety of glue dispensing preheating. Moreover, the preheating lamp 6 can be moved and adjusted along the X-axis and Y-axis through the sliding mechanism, the screw rod 4 and the first slide 5, so as to meet the preheating use processing at different positions, which is beneficial to improving the efficiency of glue dispensing preheating.

[0024] like Figure 2 and Figure 3 As shown, in order to meet the needs of preheating treatments at different heights, a storage cavity 19 is provided at one end of the vertical plate 2, and the lower sides of the two ends of the upper bracket 3 are inserted into the storage cavity 19, so that the use height of the upper bracket 3 and the preheating lamp 6 can be adjusted by adjusting the depth of the upper bracket 3 inserted into the storage cavity 19, thereby meeting the needs of preheating treatments at different heights, and a positioning hole 18 is provided on the upper side wall of the storage cavity 19, and a locking bolt 9 is provided in the inner thread of the positioning hole 18 for positioning the upper bracket 3 after the height adjustment.

[0025] like Figure 1 As shown, in order to improve the stability of the movement and adjustment of the preheating lamp 6, a guide slider 10 is provided on one side of the first slide 5, and the guide slider 10 is slidably arranged with the guide slide groove 11 at the top of the upper bracket 3, which is used to slide and guide the first slide 5 and the preheating lamp 6 when moving, which is beneficial to improving the stability of the movement and adjustment of the preheating lamp 6.

[0026] The working principle and use process of the utility model are as follows: when in use, the circuit board to be preheated is placed in the circuit board positioning groove 12 on the upper part of the heating base 1. Since the upper side of the heating base 1 is provided with a vertical plate 2, an upper bracket 3, a screw rod 4 and a first slide seat 5 through a sliding mechanism, and a heat collecting cover 7 and a preheating lamp 6 are provided on the lower side of the first slide seat 5, the circuit board placed on the heating base 1 can be locally heated to prevent large-area preheating from causing accelerated aging of the circuit board, thereby improving the safety of glue dispensing preheating. Moreover, the preheating lamp 6 can be moved and adjusted along the X-axis and the Y-axis through the sliding mechanism, the screw rod 4 and the first slide seat 5, thereby meeting the preheating use processing at different positions, which is beneficial to improving the efficiency of glue dispensing preheating.

[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 dispensing preheating module, comprising a heating base (1), characterized in that: A circuit board positioning groove (12) is provided in the middle of the upper portion of the heating base (1); a vertical plate (2) is provided on the upper side of the heating base (1) through a sliding mechanism, and upper brackets (3) are inserted into the upper sides of the two vertical plates (2); a screw rod (4) is rotatably provided at the top of the upper bracket (3); a first slide seat (5) is threadedly provided on the outer side of the screw rod (4), and a preheating lamp (6) is provided on the first slide seat (5).

2. A dispensing preheating module according to claim 1, characterized in that: The sliding mechanism comprises limiting sliding grooves (17) provided on the upper sides of both ends of the heating base (1), a second sliding seat (16) being slidably provided inside the limiting sliding groove (17) via a limiting rod (15), and the lower end of the vertical plate (2) being vertically welded to the second sliding seat (16).

3. A dispensing preheating module according to claim 2, characterized in that: The limiting sliding groove (17) is a rectangular sliding groove, and the second sliding seat (16) is a rectangular sliding block.

4. The dispensing preheating module according to claim 1, characterized in that: A storage cavity (19) is provided at one end of the vertical plate (2), and the lower sides of both ends of the upper bracket (3) are inserted into the storage cavity (19).

5. A dispensing preheating module according to claim 4, characterized in that: A positioning hole (18) is provided on the upper side wall of the storage cavity (19), and a locking bolt (9) is provided in the inner thread of the positioning hole (18).

6. The dispensing preheating module according to claim 1, characterized in that: A first heat dissipation hole (14) is provided at the lower part of the circuit board positioning groove (12), and second heat dissipation holes (13) are provided in the heating base (1) at both sides of the lower end of the first heat dissipation hole (14).

7. The dispensing preheating module according to claim 1, characterized in that: A guide slide block (10) is provided on one side of the first slide seat (5), and the guide slide block (10) is slidably arranged with a guide slide groove (11) at the top of the upper bracket (3).

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