Automatic tin collecting device of solder paste printing machine

Abstract

The utility model relates to the technical field of automatic tin collecting, in particular to an automatic tin collecting device of a solder paste printing machine, which comprises a mounting block, a mounting groove is arranged on the surface of the mounting block, two positioning bolts for fixing are arranged in the mounting groove, two cavities are arranged in the mounting block, telescopic rods are arranged in the cavities, and the telescopic rods are connected with the mounting block. The surface of the telescopic rod is sleeved with a spring, one end of the telescopic rod is fixedly provided with a scraping block, one side of the surface of the scraping block is connected with a limiting assembly in a clamped mode, and the bottom of the scraping block is fixedly provided with a scraping plate. After the telescopic rod is installed, the spring on the telescopic rod can drive the scraping block at the bottom to move downwards, and the problem that the height of a scraper blocking piece needs to be confirmed and adjusted every time an existing scraper is replaced, so that a steel mesh is prevented from being damaged is solved. And the printing pressure is automatically adapted through the spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic tin collection technology field, concretely relates to a tin paste printing machine automatic tin collection device. BACKGROUND

[0002] The tin paste printing machine is generally composed of plate mounting, tin paste adding, stamping, circuit board conveying and other mechanisms. Its working principle is: first, fix the circuit board to be printed on the printing positioning table, then use the left and right scrapers of the printing machine to print the tin paste or red glue on the corresponding pads through the steel mesh, input the PCB with uniform printing to the chip mounter for automatic chip mounting, and use the automatic tin collection device on the tin paste printing machine to collect the tin paste.

[0003] However, the scraper of the printing machine used at present can easily overflow a large amount of tin paste at both ends during the printing process. The tin paste overflowed by the scraper of the printing machine can easily volatilize and dry for a long time, causing hole blocking and poor tin deposition, thereby causing quality problems. The tin paste on both sides can cause serious tin paste deterioration and scrap for a long time, thereby causing resource waste. The screw loosening of the scraper blocking piece on both sides can cause jamming, thereby damaging the steel mesh. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a tin paste printing machine automatic tin collection device, which can effectively solve the problems of the prior art, such as tin paste overflow at both ends of the scraper during the printing process, tin paste overflow by the scraper of the printing machine, long-time non-rolling, easy volatilization and dryness, hole blocking, poor tin deposition, quality problems, serious tin paste deterioration and scrap for a long time on both sides, resource waste, screw loosening of the scraper blocking piece on both sides, jamming, and damage to the steel mesh.

[0005] To achieve the above-mentioned purposes, the utility model is implemented by the following technical solutions:

[0006] The utility model provides a tin paste printing machine automatic tin collection device, which comprises a mounting block, the surface of the mounting block is provided with a mounting groove, two fixed positioning pins are arranged in the mounting groove, two cavities are formed in the mounting block, an expansion rod is arranged in the cavity, a spring is sleeved on the surface of the expansion rod, a scraping block is fixedly installed at one end of the expansion rod, a limiting assembly is clamped on one side of the surface of the scraping block, and a scraping plate is fixedly installed at the bottom of the scraping block.

[0007] The limiting assembly comprises a clamping block clamped on one side of the surface of the scraping block, a positioning block is fixedly installed on the surface of the clamping block, and arc-shaped grooves are formed in the two sides of the surface of the positioning block.

[0008] The back of the positioning block is fixedly provided with a clamping block at each corner, and the clamping block is fixedly provided with a trapezoidal block at one end.

[0009] The back of the scraping block is provided with a clamping groove at each corner, and the size of the clamping groove is matched with the size of the clamping block.

[0010] One end of the telescopic rod is fixedly provided with a blocking block, the diameter of the blocking block is larger than the diameter of the spring, and one end of the spring is fixedly provided on the back of the blocking block.

[0011] The surface of the scraping plate is provided with a mounting groove, and an antiskid pad is embedded in the mounting groove.

[0012] The top of the scraping block is provided with a positioning groove, and the size of the positioning groove is matched with the size of the mounting block.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] 1. By arranging the mounting block, the telescopic rod, the spring and the scraping block, during use, the telescopic rod is installed through the mounting block, after the telescopic rod is installed, the spring on the telescopic rod drives the scraping block at the bottom to move downwards, so that the height of the scraper baffle is confirmed and debugged every time the existing scraper is replaced, so as to prevent the steel mesh from being damaged. The spring automatically adapts to the printing pressure.

[0015] 2. By arranging the limiting assembly, during use, the positioning block is installed through the clamping block, after the positioning block is installed, the arc-shaped grooves on the two sides of the surface of the positioning block guide the tin paste, and the tin paste overflowed on the two sides during the rolling process is guided back to the scraper blade through the arc-shaped grooves. The tin paste is recycled, and the waste of tin paste, the scrap caused by long-term non-rolling, and the deterioration and other adverse phenomena of the existing scraper baffle are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0017] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0018] Fig. 2 It is a schematic diagram of the split structure of the present application;

[0019] Fig. 3The spring structure schematic view of the utility model discloses.

[0020] Fig. 4 The restriction component structure schematic view of the utility model discloses.

[0021] The figure mark: 1, mounting block, 2, positioning peg, 3, telescopic rod, 4, spring, 5, scraping block, 6, restriction component, 61, clamping block, 62, positioning block, 63, arc slot, 7, scraping plate. Specific implementation

[0022] To make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model protection.

[0023] The utility model will be further described below in conjunction with the embodiment.

[0024] Embodiment: refer to Figs. 1 to 4 A tin printing machine automatic tin collection device, including mounting block 1, the surface of mounting block 1 is provided with mounting groove, two fixed positioning pegs 2 are arranged in the inside of mounting groove, two cavities are set up in the inside of mounting block 1, telescopic rod 3 is arranged in the inside of cavity, spring 4 is sleeved on the surface of telescopic rod 3, blocking block is fixedly installed at one end of telescopic rod 3, the diameter of blocking block is greater than the diameter of spring 4, one end of spring 4 is fixedly installed at the back of blocking block, scraping block 5 is fixedly installed at one end of telescopic rod 3, positioning slot is set up at the top of scraping block 5, and the size of positioning slot is adapted to the size of mounting block 1;

[0025] During use, personnel install telescopic rod 3 at the bottom of mounting block 1, then spring 4 on telescopic rod 3 will drive scraping block 5 at one end of telescopic rod 3 to move downward, then scraping block 5 is self-adapting to different printing pressure and moves downward, which improves the printing efficiency.

[0026] The surface of scraping block 5 is clamped with restriction component 6, scraping plate 7 is fixedly installed at the bottom of scraping block 5, mounting groove is set up on the surface of scraping plate 7, and antiskid pad is embedded in the inside of mounting groove;

[0027] During use, after installing scraping plate 7, the antiskid pad set at the bottom of scraping plate 7 will be used to smear tin paste, and the antiskid pad can reduce the abrasion caused by hard material.

[0028] The limiting component 6 comprises a clamping block 61 clamped on one side of the surface of the scraping block 5, the surface of the clamping block 61 is fixedly provided with a positioning block 62, arc-shaped grooves 63 are formed on the two sides of the surface of the positioning block 62, clamping blocks 61 are fixedly arranged at the four corners of the back of the positioning block 62, a trapezoidal block is fixedly arranged at one end of the clamping block 61, and clamping grooves are formed at the four corners of the back of the scraping block 5 and are matched with the size of the clamping blocks 61.

[0029] In use, the personnel install the positioning block 62 through the clamping block 61, the arc-shaped grooves 63 on the positioning block 62 guide the tin paste after the positioning block 62 is installed, the tin paste overflowed from the two sides during the rolling of the tin paste is guided back to the scraper blade through the arc-shaped grooves 63, and the tin paste is recycled.

[0030] Working principle: first, the telescopic rod 3 is installed at the bottom of the mounting block 1, then the spring 4 on the telescopic rod 3 drives the scraping block 5 at one end of the telescopic rod 3 to move downwards, then the clamping block 61 is used to install the positioning block 62, the arc-shaped grooves 63 on the positioning block 62 guide the tin paste after the positioning block 62 is installed, the tin paste overflowed from the two sides during the rolling of the tin paste is guided back to the scraper blade through the arc-shaped grooves 63, and the tin paste is recycled.

[0031] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced; and these modifications or replacements will not change the essence of the corresponding technical solutions out of the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. An automatic solder collection device for a solder paste printing machine, comprising a mounting block (1), characterized in that: The mounting block (1) has a mounting groove on its surface. The mounting groove is provided with two positioning bolts (2) for fixing. The mounting block (1) has two cavities inside. The cavities are provided with telescopic rods (3). The surface of the telescopic rods (3) is fitted with springs (4). One end of the telescopic rods (3) is fixedly installed with a scraping block (5). One side of the surface of the scraping block (5) is snapped with a limiting component (6). The bottom of the scraping block (5) is fixedly installed with a scraping plate (7).

2. The automatic solder collection device for a solder paste printing machine according to claim 1, characterized in that, The limiting component (6) includes a snap-fit ​​block (61) snapped onto one side of the surface of the scraping block (5), and a positioning block (62) is fixedly installed on the surface of the snap-fit ​​block (61). An arc groove (63) is provided on both sides of the surface of the positioning block (62).

3. The automatic solder collection device for a solder paste printing machine according to claim 2, characterized in that, Each of the four corners of the back of the positioning block (62) is fixedly installed with a snap-fit ​​block (61), and a trapezoidal block is fixedly installed at one end of the snap-fit ​​block (61).

4. The automatic solder collection device for a solder paste printing machine according to claim 1, characterized in that, The scraping block (5) has four corners on its back with snap-fit ​​grooves, the size of which is adapted to the size of the snap-fit ​​block (61).

5. An automatic solder collection device for a solder paste printing machine according to claim 1, characterized in that, A blocking block is fixedly installed at one end of the telescopic rod (3). The diameter of the blocking block is larger than the diameter of the spring (4). One end of the spring (4) is fixedly installed on the back of the blocking block.

6. The automatic solder collection device for a solder paste printing machine according to claim 1, characterized in that, The surface of the scraper (7) is provided with an installation groove, and an anti-slip pad is embedded inside the installation groove.

7. The automatic solder collection device for a solder paste printing machine according to claim 1, characterized in that, The top of the scraping block (5) is provided with a positioning groove, the size of which is adapted to the size of the mounting block (1).

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