CN213675957U

CN213675957U - Smt printing machine tin cream anti-overflow scraper structure

Info

Publication number: CN213675957U
Application number: CN202022125215.XU
Authority: CN
Inventors: 赵云花
Original assignee: Wan'an Yugao Electronic Technology Co ltd
Current assignee: Wan'an Yugao Electronic Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-13
Anticipated expiration: 2030-09-24

Abstract

The application discloses excessive scraper structure is prevented to smart (r) printing machine tin cream, including scraping knife rest, slide rail, scraper mount pad, fixing nut, T type scraper socket, first set screw, scraper, fixed block, connecting rod, fixed axle, connection round bolt, loose axle, dead lever, tin cream collecting box, slide, coupling spring, second set screw and oblique sword, scrape a side surface of knife rest and seted up the slide rail, sliding connection has the loose axle on the slide rail, be connected with on the loose axle and strike off the mechanism, the last middle part position of scraper mount pad runs through and is provided with connection round bolt. When scraping the tin cream, probably because strike off not thoroughly, cause the waste of tin cream, through setting up collection mechanism, adjust the position of collecting the mechanism through the connecting rod, shovel into the tin cream collecting box to remaining tin cream through the inclined cutter, recycle the tin cream, reduce extravagantly.

Description

Smt printing machine tin cream anti-overflow scraper structure

Technical Field

The application relates to a scraper structure, in particular to an overflow-preventing scraper structure for solder paste of a smt printing machine.

Background

smt is a surface mount technology (surface mount technology) and is one of the most popular techniques and processes in the electronic assembly industry. Electronic circuit surface assembly techniques, known as surface mount or surface mount techniques. The surface-mounted component (SMC/SMD, Chinese called chip component) without pins or short leads is mounted on the surface of printed circuit board or other base plate, and is welded and assembled by means of reflow soldering or dip soldering.

Current scraper mechanism carries out the scraping of tin cream to the printing machine, because the position of unable regulation scraper, leads to the scope of scraping easily to be limited, influences work efficiency to when scraping, cause the tin cream excessive easily, after exceeding the certain time, the tin cream can deteriorate and turn yellow, causes the waste of tin cream. Therefore, the anti-overflow scraper structure for the solder paste of the smt printing machine is provided for solving the problems.

Disclosure of Invention

An anti-overflow scraping knife structure for solder paste of a smt printing machine comprises a scraping knife frame, a scraping mechanism and a collecting mechanism, wherein the scraping mechanism comprises a scraping knife mounting seat, a T-shaped scraping knife socket, a scraping knife and a connecting round bolt, and the collecting mechanism comprises a solder paste collecting box and an inclined knife;

a sliding rail is arranged on the surface of one side of the scraper frame, a movable shaft is connected onto the sliding rail in a sliding manner, a scraping mechanism is connected onto the movable shaft, a connecting round bolt penetrates through the upper middle position of the scraper mounting seat, one end of the connecting round bolt is fixedly connected with the movable shaft, the bottom of the scraper mounting seat is of an inwards concave structure, a T-shaped scraper socket is rotatably connected through a fixed shaft, and a scraper is inserted into the T-shaped scraper socket;

fixed blocks are symmetrically arranged on the lower portion of the side wall of one end, away from the sliding rail, of the scraper frame, two fixed blocks are fixedly connected through a connecting rod, a sliding seat is sleeved on the connecting rod, two sides of the lower end of the sliding seat are respectively provided with a fixed rod through second fixed screws, a collecting mechanism is arranged below the fixed rod, two fixed rods are fixedly connected with a solder paste collecting box, and an inclined cutter is fixedly connected inside the solder paste collecting box.

Further, the scraping mechanisms are symmetrically provided with two groups.

Further, circular through holes are formed in the T-shaped scraper socket and the scraper, the T-shaped scraper socket and the scraper are fixedly connected through first fixing screws, and the first fixing screws are sequentially inserted into the through holes of the T-shaped scraper socket and the scraper.

Furthermore, the end parts of the two ends of the fixing shaft are respectively in threaded connection with a fixing nut.

Furthermore, a group of connecting springs are symmetrically arranged between the solder paste collecting box and the sliding seat.

Furthermore, an included angle is formed between the inclined cutter and the solder paste collecting box, and the included angle is forty-five degrees.

The beneficial effect of this application is: the application provides an overflow scraper structure is prevented to smart printer tin cream.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;

fig. 3 is a schematic view of a portion of the enlarged structure at a in fig. 1 according to an embodiment of the present disclosure.

Fig. 4 is a schematic side view of an embodiment of the present application.

In the figure: 1. scraper frame, 2, slide rail, 3, scraper mount pad, 4, fixing nut, 5, T type scraper socket, 6, first set screw, 7, scraper, 8, fixed block, 9, connecting rod, 10, fixed axle, 11, connection round bolt, 12, loose axle, 13, dead lever, 14, tin cream collecting box, 15, slide, 16, coupling spring, 17, second set screw, 18, oblique sword.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, the anti-overflow scraper structure for solder paste of a smt printing machine comprises a scraper frame 1, a scraping mechanism and a collecting mechanism, wherein the scraping mechanism comprises a scraper mounting base 3, a T-shaped scraper socket 5, a scraper 7 and a connecting round bolt 11, and the collecting mechanism comprises a solder paste collecting box 14 and an inclined cutter 18;

a sliding rail 2 is arranged on the surface of one side of the scraper frame 1, a movable shaft 12 is connected onto the sliding rail 2 in a sliding manner, a scraping mechanism is connected onto the movable shaft 12, a connecting round bolt 11 penetrates through the upper middle position of the scraper mounting seat 3, one end of the connecting round bolt 11 is fixedly connected with the movable shaft 12, the bottom of the scraper mounting seat 3 is of a concave structure, a T-shaped scraper socket 5 is rotatably connected through a fixed shaft 10, and a scraper 7 is inserted into the T-shaped scraper socket 5;

fixed blocks 8 are symmetrically arranged on the lower portion of the side wall of one end, far away from the sliding rail 2, of the scraper frame 1, two fixed blocks 8 are fixedly connected through a connecting rod 9, a sliding seat 15 is sleeved on the connecting rod 9, two sides of the lower end of the sliding seat 15 are fixedly connected with fixed rods 13 through second fixing screws 17 respectively, a collecting mechanism is arranged below the fixed rods 13, two fixed rods 13 are fixedly connected with a solder paste collecting box 14, and an inclined cutter 18 is fixedly connected with the inner portion of the solder paste collecting box 14.

Two groups of scraping mechanisms are symmetrically arranged; circular through holes are formed in the T-shaped scraper socket 5 and the scraper 7, the T-shaped scraper socket 5 and the scraper 7 are fixedly connected through a first fixing screw 6, and the first fixing screw 6 is sequentially inserted into the through holes of the T-shaped scraper socket 5 and the scraper 7; the two end parts of the fixed shaft 10 are respectively in threaded connection with a fixed nut 4; a group of connecting springs 16 are symmetrically arranged between the solder paste collecting box 14 and the sliding seat 15; an included angle is formed between the inclined knife 18 and the solder paste collecting box 14, and the included angle is forty-five degrees.

When the device is used, the electrical elements in the device are externally connected and communicated with a power supply and a control switch, when the device is used, according to the position of the solder paste, the scraping mechanism can be controlled to slide on the slide rail 2, and the angle of the T-shaped scraper socket 5 is adjusted by rotation to a proper position to scrape the solder paste on the silk screen, thereby enlarging the scraping range of the solder paste, in the scraping process, the solder paste overflows to other parts of the silk screen to cause the waste of resources, by adjusting the position of the collecting mechanism, the overflowed solder paste is collected and processed by the inclined knife 18, the collected solder paste is stored in the solder paste collecting box 14, the collected solder paste can be applied to the screen again by the mutual cooperation of the fixing rod 13 and the second fixing screw 17, the device is convenient to assemble and disassemble, and the scraper 7 and the internal structure are replaced in time.

The application has the advantages that:

1. the device is reasonable in design, local parts of the whole device are convenient to detach, the scraper mounting seat can be adjusted in the horizontal direction through mutual matching of the sliding rail, the connecting round bolt and the movable shaft, the angle of the scraper can be conveniently adjusted when tin pastes at different positions are scraped, and the use efficiency of the device is improved;

2. when scraping the tin cream, probably because strike off not thoroughly, cause the waste of tin cream, through setting up collection mechanism, adjust the position of collecting the mechanism through the connecting rod, shovel into the tin cream collecting box to remaining tin cream through the inclined cutter, recycle the tin cream, reduce extravagantly.

As the related circuits and electronic components and modules are prior art, they are not described in this document.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides an excessive scraper structure is prevented to smart printing machine tin cream which characterized in that: the tin paste scraping device comprises a scraper frame (1), a scraping mechanism and a collecting mechanism, wherein the scraping mechanism comprises a scraper mounting seat (3), a T-shaped scraper socket (5), a scraper (7) and a connecting round bolt (11), and the collecting mechanism comprises a tin paste collecting box (14) and an inclined cutter (18);

a sliding rail (2) is arranged on the surface of one side of the scraper frame (1), a movable shaft (12) is connected onto the sliding rail (2) in a sliding manner, a scraping mechanism is connected onto the movable shaft (12), a connecting round bolt (11) penetrates through the upper middle position of the scraper mounting seat (3), one end of the connecting round bolt (11) is fixedly connected with the movable shaft (12), the bottom of the scraper mounting seat (3) is of a concave structure, a T-shaped scraper socket (5) is rotatably connected through a fixed shaft (10), and a scraper (7) is inserted into the T-shaped scraper socket (5);

scraper frame (1) is kept away from one end lateral wall lower part symmetry of slide rail (2) and is installed fixed block (8), two through connecting rod (9) fixed connection between fixed block (8), slide (15) have been cup jointed on connecting rod (9), the lower extreme both sides of slide (15) are respectively through second set screw (17) fixedly connected with dead lever (13), be provided with below dead lever (13) and collect the mechanism, two the lower extreme fixedly connected with tin cream collecting box (14) of dead lever (13), the inside fixedly connected with inclined cutter (18) of tin cream collecting box (14).

2. The smt printer solder paste anti-overflow scraper structure of claim 1, wherein: the scraping mechanisms are symmetrically provided with two groups.

3. The smt printer solder paste anti-overflow scraper structure of claim 1, wherein: circular through holes are formed in the T-shaped scraper socket (5) and the scraper (7), the T-shaped scraper socket (5) and the scraper (7) are fixedly connected through a first fixing screw (6), and the first fixing screw (6) is sequentially inserted into the through holes of the T-shaped scraper socket (5) and the scraper (7).

4. The smt printer solder paste anti-overflow scraper structure of claim 1, wherein: and the end parts of the two ends of the fixed shaft (10) are respectively in threaded connection with a fixed nut (4).

5. The smt printer solder paste anti-overflow scraper structure of claim 1, wherein: and a group of connecting springs (16) are symmetrically arranged between the solder paste collecting box (14) and the sliding seat (15).

6. The smt printer solder paste anti-overflow scraper structure of claim 1, wherein: an included angle is formed between the inclined knife (18) and the solder paste collecting box (14), and the included angle is forty-five degrees.