Glue scraping machine

Abstract

The utility model relates to the technical field of automation equipment, and discloses a glue scraping machine which comprises an automatic frame feeding mechanism, an automatic transverse moving glue scraping mechanism and an automatic material receiving mechanism, the automatic frame feeding mechanism comprises a frame placing clip for fixing a frame, a single-shaft mechanical arm and a first vacuum suction cup connected to the bottom of the single-shaft mechanical arm, the first vacuum suction cup is connected with a vacuum sensor, and the automatic transverse moving glue scraping mechanism comprises a glue scraping table, a cross-shaped double-shaft mechanical arm driving the glue scraping table to move, a glue scraping net plate, a scraper assembly, a transverse moving assembly and an up-down moving assembly. According to the automatic glue brushing machine, through the arrangement of the automatic transverse moving glue scraping mechanism, the automatic feeding mechanism and the automatic receiving mechanism, automatic feeding, automatic solder paste brushing and automatic discharging of a frame can be conveniently achieved, efficiency is high, the glue brushing amount is stable, the solder paste amount can be visually detected, use is convenient, an alarm prompt is given in time if abnormity exists, and the production efficiency is improved. The automation degree is high, and labor is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a glue scraping machine. Background Art

[0002] During the production of diodes, solder paste needs to be applied to the lead frame to facilitate the installation of chips on the lead frame or to facilitate the assembly of two lead frames. The lead frame has high requirements for solder paste, and too much or too little solder paste can easily result in unqualified products.

[0003] At present, the work of brushing solder paste on the lead frame has not been automated. The frame is placed on a carrier manually, and solder paste is applied to each contact on the lead frame manually. Since there are many contacts on each lead frame and the contacts are small, the quality of the solder paste is difficult to guarantee, the consistency of the solder paste points is unstable, the work efficiency is low, and the frame is easily damaged. Therefore, a glue scraper is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a glue scraper.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a scraper, including a frame automatic feeding mechanism, an automatic transverse scraper mechanism and an automatic material receiving mechanism;

[0006] The frame automatic feeding mechanism comprises a frame placement clip fixed to the frame, a single-axis manipulator, and a first vacuum suction cup connected to the bottom of the single-axis manipulator, wherein the first vacuum suction cup is connected to a vacuum sensor;

[0007] The automatic transverse movement scraping mechanism comprises a scraping platform, a cross-biaxial manipulator for driving the scraping platform to move, a scraping mesh plate, a scraper assembly, a transverse movement assembly and an up-and-down movement assembly, wherein the scraper assembly is arranged on the upper surface of the scraping mesh plate, the transverse movement assembly is connected to the scraper assembly, and the up-and-down movement assembly is connected to the scraper mesh plate;

[0008] The automatic material receiving mechanism includes an X-axis manipulator, two Y-axis manipulators, an empty graphite boat placement area and a full graphite boat placement area. The bottom of the left Y-axis manipulator is connected to a frame taking vacuum suction cup, and the bottom of the right Y-axis manipulator is connected to a graphite boat taking vacuum suction cup. The frame taking vacuum suction cup and the graphite boat taking vacuum suction cup are respectively connected to negative pressure gauges. The frame taking vacuum suction cup is used to place the frame after scraping glue in the empty graphite boat placement area, and the graphite boat taking vacuum suction cup is used to place the graphite boat with a full frame in the full graphite boat placement area.

[0009] Preferably, the frame for placing the magazine is mounted on a fixed frame of a single-axis manipulator, the single-axis manipulator includes a laterally movable linear motor and a longitudinally movable cylinder fixed on a linear motor slide, and the first vacuum suction cup is mounted on the bottom of the longitudinally movable cylinder.

[0010] Preferably, the up and down moving assembly includes a servo motor, an eccentric wheel and a cross guide rail, the eccentric wheel is fixed on the driving end of the servo motor, the scraper mesh plate is installed on the cross guide rail, springs are connected between the cross guide rails, and the eccentric wheel drives the scraper mesh plate to move up and down.

[0011] Preferably, the transverse movement assembly is mounted on the front panel of the cross guide rail, the transverse movement assembly is a transverse electric slide rail, and the scraper assembly is mounted on the transverse electric slide rail.

[0012] Preferably, the scraper assembly includes two scrapers, and a scraper switching cylinder is installed on the top of the two scrapers.

[0013] Preferably, the automatic material receiving mechanism also includes an empty graphite boat temporary storage area and a full graphite boat temporary storage area, the bottom of the empty graphite boat placement area and the empty graphite boat temporary storage area are jointly equipped with a first pushing cylinder, and the bottom of the full graphite boat placement area and the full graphite boat temporary storage area are jointly equipped with a second pushing cylinder.

[0014] Preferably, the automatic transverse scraping mechanism also includes a CCD visual detector for detecting the scraping effect.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the automatic horizontal movement of the glue scraping mechanism, the automatic feeding mechanism and the automatic receiving mechanism are arranged to facilitate the automatic feeding of the frame, the automatic brushing of the solder paste and the automatic unloading. The efficiency is high, the amount of glue brushing is stable, and the amount of solder paste can be visually detected. It is easy to use, and timely alarm prompts are given if there is any abnormality. The high degree of automation reduces labor.

[0017] 2. In the utility model, timely unloading and replenishing of materials can be achieved through the arrangement of the first pushing cylinder, the second pushing cylinder, the empty graphite boat placement area, the full graphite boat placement area, the empty graphite boat temporary storage area, and the full graphite boat temporary storage area, thereby ensuring continuous operation of the equipment without stopping and achieving high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a first-view stereoscopic diagram of a rubber scraper proposed by the utility model;

[0019] Figure 2 This is a stereoscopic diagram from a second viewing angle of a rubber scraper proposed by the utility model;

[0020] Figure 3 This is a front perspective view of an automatic transversely moving scraper mechanism of a scraper machine proposed by the utility model;

[0021] Figure 4 This is a rear perspective view of an automatic transversely moving scraper mechanism in a scraper machine proposed by the utility model;

[0022] Figure 5 This is a three-dimensional diagram of an automatic feeding mechanism in a scraper machine proposed by the utility model;

[0023] Figure 6 The utility model is a three-dimensional diagram of an automatic material receiving mechanism in a rubber scraping machine.

[0024] Legend:

[0025] 1. Glue scraping table; 2. Frame for placing magazines; 3. X-axis manipulator; 4. Y-axis manipulator; 5. Empty graphite boat placement area; 6. Full graphite boat placement area; 7. Temporary storage area for empty graphite boats; 8. Temporary storage area for full graphite boats; 9. CCD visual detector; 10. Cross-axis manipulator; 11. Glue scraping screen; 12. Scraper assembly; 121. Scraper; 122. Scraper switching cylinder; 13. Up and down moving assembly; 131. Servo motor; 132. Cross guide rail; 14. Single-axis manipulator; 141. Linear motor; 142. Longitudinal moving cylinder; 15. Transverse moving assembly; 16. First pushing cylinder; 17. Second pushing cylinder. DETAILED DESCRIPTION

[0026] 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.

[0027] Reference Figure 1-Figure 6 , the utility model provides an embodiment: a scraper, including a frame automatic feeding mechanism, an automatic transverse scraper mechanism and an automatic material receiving mechanism;

[0028] The automatic feeding mechanism of the frame includes a frame placement clip 2 fixed to the frame, a single-axis manipulator 14 and a first vacuum suction cup connected to the bottom of the single-axis manipulator 14. The frame placement clip 2 is installed on the fixing frame of the single-axis manipulator 14. The single-axis manipulator 14 includes a linear motor 141 for transverse movement and a longitudinal movement cylinder 142 fixed on the slide of the linear motor 141. The first vacuum suction cup is installed at the bottom of the longitudinal movement cylinder 142. The first vacuum suction cup is moved to the frame taking position by the single-axis manipulator 14. The longitudinal cylinder 142 presses down to suck the frame and then lifts it. The first vacuum suction cup is connected to a vacuum sensor, and an alarm will be given in time to stop the machine when the frame falls.

[0029] The automatic transverse movement scraping mechanism includes a scraping platform 1, a cross-biaxial manipulator 10 for driving the scraping platform 1 to move, a scraping mesh plate 11, a scraper assembly 12, a transverse movement assembly 15, and an up-and-down movement assembly 13. The scraper assembly 12 is arranged on the upper surface of the scraping mesh plate 11, the transverse movement assembly 15 is connected to the scraper assembly 12, and the up-and-down movement assembly 13 is connected to the scraping mesh plate 11. The up-and-down movement assembly 13 includes a servo motor 131, an eccentric wheel and a cross guide rail 132. The eccentric wheel is fixed on the driving end of the servo motor 131, and the scraping mesh plate 11 is installed on the cross guide rail. 132, a spring is connected between the cross guide rails 132, the eccentric wheel drives the scraper screen 11 to move up and down, the transverse movement component 15 is installed on the front panel of the cross guide rail 132, the transverse movement component 15 is a transverse electric slide rail, the scraper component 12 is installed on the transverse electric slide rail, the scraper component 12 includes two scrapers 121, and scraper switching cylinders 122 are installed on the tops of the two scrapers 121. The scraper 121 is switched left and right by the scraper switching cylinder 122, and the solder paste is squeezed onto the frame of the bottom plate by the scraper 121 between the left and right scrapers 121.

[0030] The automatic material receiving mechanism includes an X-axis manipulator 3, two Y-axis manipulators 4, an empty graphite boat placement area 5 and a full graphite boat placement area 6. The bottom of the left Y-axis manipulator 4 is connected to a frame-taking vacuum suction cup, and the bottom of the right Y-axis manipulator 4 is connected to a graphite boat-taking vacuum suction cup. The frame-taking vacuum suction cup and the graphite boat-taking vacuum suction cup are respectively connected to negative pressure gauges, and an alarm is given in time when the product falls. The frame-taking vacuum suction cup is used to place the frame with scraping completed in the empty graphite boat placement area 5, and the graphite boat vacuum suction cup is used to place the graphite boat with a full frame in the full graphite boat placement area 6. The automatic material receiving mechanism also includes an empty graphite boat temporary storage area 7 and a full graphite boat temporary storage area 8. The bottoms of the empty graphite boat placement area 5 and the empty graphite boat temporary storage area 7 are jointly equipped with a first pushing cylinder 16, and the bottoms of the full graphite boat placement area 6 and the full graphite boat temporary storage area 8 are jointly equipped with a second pushing cylinder 17;

[0031] The frame with scraped glue is taken out by the frame vacuum suction cup and placed in the empty graphite boat placement area 5 on the left. After two pieces are placed, the graphite boat is taken out by the graphite boat vacuum suction cup and placed in the full graphite boat placement area 6. When the graphite boat in the empty graphite boat placement area 5 on the left is used up, the first pushing cylinder 16 at the bottom will automatically push the graphite boat in the empty graphite boat temporary storage area 7 on the left to the discharge position. When the full graphite boat placement area 6 reaches the set number, the second pushing cylinder 17 at the bottom will automatically push the full material to the full graphite boat temporary storage area 8 to ensure that the equipment does not stop.

[0032] The automatic transverse movement scraping mechanism also includes a CCD visual detector 9 for detecting the scraping effect.

[0033] Working principle: the lower frame is placed in the frame placement clip 2, and the frame is taken out and placed on the scraper table 1 by the first vacuum suction cup of the single-axis manipulator 14. The scraper table 1 moves to the bottom of the scraper mesh plate 11, and the scraper mesh plate 11 is pressed down by the up and down moving component 13. The scraper 121 in the scraper mesh plate 11 moves left and right once, the mesh plate is lifted, and the scraper table 1 moves to the CCD visual detector 9 position for visual inspection. After the inspection is completed, it moves to the discharge position, and the frame vacuum suction cup sucks up the frame and moves it to the discharge position, and places the frame in the graphite boat. After two frames are placed in a graphite boat, the graphite boat vacuum suction cup takes out the graphite boat and moves it to the receiving position to stack and place the received materials. When the number of receiving layers reaches the set number, the second pushing cylinder 17 pulls the graphite boat out.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A scraper, characterized in that: It includes a frame automatic feeding mechanism, an automatic transverse rubber scraping mechanism and an automatic material receiving mechanism; The frame automatic feeding mechanism comprises a frame placement clip (2) fixed to the frame, a single-axis manipulator (14) and a first vacuum suction cup connected to the bottom of the single-axis manipulator (14), wherein the first vacuum suction cup is connected to a vacuum sensor; The automatic transverse movement scraping mechanism comprises a scraping platform (1), a cross-shaped dual-axis manipulator (10) for driving the scraping platform (1) to move, a scraping mesh plate (11), a scraper assembly (12), a transverse movement assembly (15), and an up-and-down movement assembly (13), wherein the scraper assembly (12) is arranged on the upper surface of the scraping mesh plate (11), the transverse movement assembly (15) is connected to the scraper assembly (12), and the up-and-down movement assembly (13) is connected to the scraper mesh plate (11); The automatic material receiving mechanism comprises an X-axis manipulator (3), two Y-axis manipulators (4), an empty graphite boat placement area (5) and a full graphite boat placement area (6); the bottom of the left Y-axis manipulator (4) is connected to a frame taking vacuum suction cup, and the bottom of the right Y-axis manipulator (4) is connected to a graphite boat taking vacuum suction cup; the frame taking vacuum suction cup and the graphite boat taking vacuum suction cup are respectively connected to negative pressure gauges; the frame taking vacuum suction cup is used to place a frame after scraping glue in the empty graphite boat placement area (5), and the graphite boat taking vacuum suction cup is used to place a graphite boat with a full frame in the full graphite boat placement area (6).

2. A rubber scraper according to claim 1, characterized in that: The frame-mounted magazine (2) is mounted on a fixed frame of a single-axis manipulator (14); the single-axis manipulator (14) comprises a laterally movable linear motor (141) and a longitudinally movable cylinder (142) fixed on a slide of the linear motor (141); the first vacuum suction cup is mounted on the bottom of the longitudinally movable cylinder (142).

3. A rubber scraper according to claim 1, characterized in that: The up-and-down moving assembly (13) comprises a servo motor (131), an eccentric wheel and a cross guide rail (132); the eccentric wheel is fixed on the driving end of the servo motor (131); the scraper mesh plate (11) is mounted on the cross guide rail (132); a spring is connected between the cross guide rails (132); and the eccentric wheel drives the scraper mesh plate (11) to move up and down.

4. A rubber scraper according to claim 3, characterized in that: The transverse movement assembly (15) is mounted on the front panel of the cross guide rail (132), the transverse movement assembly (15) is a transverse electric slide rail, and the scraper assembly (12) is mounted on the transverse electric slide rail.

5. A rubber scraper according to claim 4, characterized in that: The scraper assembly (12) comprises two scrapers (121), and a scraper switching cylinder (122) is installed on the top of each of the two scrapers (121).

6. The rubber scraper according to claim 1, characterized in that: The automatic material receiving mechanism further comprises an empty graphite boat temporary storage area (7) and a full graphite boat temporary storage area (8); a first material pushing cylinder (16) is installed at the bottom of the empty graphite boat placement area (5) and the empty graphite boat temporary storage area (7); and a second material pushing cylinder (17) is installed at the bottom of the full graphite boat placement area (6) and the full graphite boat temporary storage area (8).

7. The rubber scraper according to claim 1, characterized in that: The automatic lateral movement scraping mechanism also includes a CCD visual detector (9) for detecting the scraping effect.

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