CN216025893U

CN216025893U - Dispensing device and die bonder

Info

Publication number: CN216025893U
Application number: CN202121542012.9U
Authority: CN
Inventors: 黄岗
Original assignee: Shenzhen Xinyichang Technology Co Ltd
Current assignee: Shenzhen Xinyichang Technology Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-03-15
Anticipated expiration: 2031-07-07

Abstract

The application provides a glue dispensing device and solid brilliant machine, this glue dispensing device include the supporting seat, install the packing element on the supporting seat, with the some glue needle that the discharge gate of packing element is connected, be used for driving some glue drive assembly that the point glued needle removed and be used for supplying the some glue control box that presses so that the glue solution is discharged by some glue needle to the packing element. This application is through installing packing element, point glue drive assembly and point glue control box respectively on the supporting seat, and the packing element can be used to splendid attire glue solution. The constant pressure is provided for the rubber cylinder by the dispensing control box, so that the amount of the glue solution discharged by the dispensing needle every time can be kept uniform and consistent, and the dispensing quality is improved; moreover, the glue discharging amount of the glue dispensing needle can be changed according to supports or chips with different sizes by adjusting the pressure of the glue dispensing control box on the glue barrel, and the adaptability is good. The position of the dispensing needle can be adjusted through the dispensing driving assembly, and dispensing is facilitated.

Description

Dispensing device and die bonder

Technical Field

The present application relates to die attach technology, and more particularly, to a dispensing device and a die attach machine using the dispensing device.

Background

In the dispensing process of the die bonder, generally, the glue solution is poured into a glue tray, a glue dipping swing arm on the die bonder and glue dipping device drives a glue dipping needle to swing to the glue tray and pick up the glue solution, and then the glue dipping needle swings to a dispensing position to dispense the glue solution at a corresponding position of a support, so that dispensing is completed. However, when the glue solution in the glue tray is more, the glue solution is easy to be thrown out when the glue dipping needle swings; along with the proceeding of the dispensing, the glue solution in the glue tray can be reduced, so that the dispensing amount is not uniform, and the dispensing quality and the working effect are seriously affected.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide a dispensing device and a die bonder, so as to solve the problems existing in the related art: the glue solution is picked up through the glue pick-up needle and the support is glued, which easily causes uneven glue dispensing amount and the glue solution is thrown out, thereby affecting the glue dispensing quality.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

on one hand, the dispensing device comprises a supporting seat, a glue barrel arranged on the supporting seat, a dispensing needle connected with a discharge hole of the glue barrel, a dispensing driving assembly used for driving the dispensing needle to move, and a dispensing control box used for supplying pressure to the glue barrel so as to discharge glue liquid from the dispensing needle; the dispensing driving assembly and the dispensing control box are respectively arranged on the supporting seat, the dispensing driving assembly is connected with the dispensing needle, and the dispensing control box is connected with the feeding hole of the rubber barrel.

This structure, this application is through installing packing element, point glue drive assembly and point glue control box respectively on the supporting seat, and the packing element can be used to splendid attire glue solution. The constant pressure is provided for the rubber cylinder by the dispensing control box, so that the amount of the glue solution discharged by the dispensing needle every time can be kept uniform and consistent, and the dispensing quality is improved; moreover, the glue discharging amount of the glue dispensing needle can be changed according to supports or chips with different sizes by adjusting the pressure of the glue dispensing control box on the glue barrel, and the adaptability is good. The position of the dispensing needle can be adjusted through the dispensing driving assembly, and dispensing is facilitated.

In one embodiment, the supporting seat is provided with a first clamping seat and a second clamping seat which is connected with the first clamping seat to clamp the rubber cylinder.

This structure, the convenience is to the dismantlement of packing element and supporting seat.

In one embodiment, the rubber barrel comprises a barrel body and an end cover detachably connected with the barrel body; the barrel is connected with the dispensing needle, and the end cover is connected with the dispensing control box.

This structure, the convenience is to the disassembling of packing element.

In one embodiment, the end cover is provided with a clamping groove, and the cylinder body is provided with a clamping plate screwed into the clamping groove.

This structure can realize being connected with dismantling of end cover to the barrel, and convenient reinforced.

In one embodiment, the dispensing driving assembly includes a dispensing lifting unit for driving the dispensing needle to lift and a dispensing swinging unit for driving the dispensing needle to swing horizontally; the dispensing needle is connected with the dispensing lifting unit, the dispensing lifting unit is connected with the dispensing swinging unit, and the dispensing swinging unit is arranged on the supporting seat.

According to the structure, the dispensing needle can be driven to lift and swing through the dispensing lifting unit and the dispensing swinging unit, and the position adjusting reliability is high.

In one embodiment, the dispensing lifting unit comprises a swing seat connected with the dispensing swing unit, a lifting slider slidably mounted on the swing seat, a dispensing swing arm mounted on the lifting slider, a first eccentric wheel for pushing the lifting slider to lift, and a lifting motor for driving the first eccentric wheel to rotate, wherein the lifting motor is mounted on the support seat, and the dispensing needle is mounted on the dispensing swing arm.

This structure, through the rotation of first eccentric wheel of elevator motor drive, and then drive lifting slide and point swing arm lift, the lift good reliability of needle is glued to point.

In one embodiment, a sliding groove is formed in the lifting sliding block, and a pushing wheel arranged in the sliding groove is mounted on the first eccentric wheel.

This structure, through the cooperation that promotes wheel and spout, can reduce the frictional wear between lifting slide and the first eccentric wheel, improve the reliability that lifting slide goes up and down.

In one embodiment, the dispensing swing unit comprises a swing shaft with one end connected with the dispensing lifting unit, a rocker connected with the other end of the swing shaft, a second eccentric wheel for pushing the rocker to swing and a swing motor for driving the second eccentric wheel to rotate; the swing shaft is rotatably arranged on the supporting seat, and the swing motor is arranged on the supporting seat.

According to the structure, the second eccentric wheel is driven to rotate through the swing motor, so that the dispensing lifting unit is driven to swing, and the swing reliability of the dispensing needle is good.

In one embodiment, an accommodating groove is formed in one end, away from the swinging shaft, of the rocker, and a roller arranged in the accommodating groove is mounted on the second eccentric wheel.

The structure can reduce the friction and wear between the rocker and the second eccentric wheel and improve the reliability of the swinging of the rocker and the swinging shaft by matching the roller and the accommodating groove.

On the other hand, a die bonder is provided, which includes the dispensing device provided in any of the above embodiments.

The structure adopts the die bonder of the glue dispensing device in the embodiment, can accurately control the glue dispensing amount, can improve the glue dispensing uniformity and consistency, and avoids the phenomena of glue throwing and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a dispensing device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram illustrating a connection of a support seat, a dispensing needle, and a dispensing control box according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a rubber cylinder provided in an embodiment of the present application;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is a first schematic structural diagram of a dispensing driving assembly according to an embodiment of the present disclosure;

fig. 6 is a second schematic structural diagram of a dispensing driving assembly according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1. a supporting seat; 11. a first clamping seat; 12. a second clamping seat;

2. a rubber cylinder; 21. a barrel; 211. clamping a plate; 22. an end cap; 221. a card slot;

3. dispensing driving components; 31. a dispensing lifting unit; 311. a swing seat; 312. a lifting slide block; 3121. a chute; 313. dispensing swing arms; 314. a first eccentric wheel; 3141. a push wheel; 315. a lifting motor; 316. an elastic member; 32. a dispensing swing unit; 321. a swing shaft; 322. a rocker; 3221. a containing groove; 323. a second eccentric wheel; 3231. a roller; 324. a swing motor;

4. dispensing a glue needle; 5. dispensing control box; 6. a first connecting pipe; 7. a second connecting pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 and fig. 2, a dispensing apparatus according to an embodiment of the present disclosure will now be described. The glue dispensing device comprises a supporting seat 1, a glue barrel 2 arranged on the supporting seat 1, a glue dispensing needle 4 connected with a discharge hole of the glue barrel 2, a glue dispensing driving component 3 used for driving the glue dispensing needle 4 to move, and a glue dispensing control box 5 used for supplying pressure to the glue barrel 2 so as to discharge glue liquid from the glue dispensing needle 4; the dispensing driving assembly 3 and the dispensing control box 5 are respectively installed on the supporting seat 1, the dispensing driving assembly 3 is connected with the dispensing needle 4, and the dispensing control box 5 is connected with the feeding port of the glue barrel 2. The discharge hole of the rubber cylinder 2 is communicated with the dispensing needle 4 through a first connecting pipe 6, and the feed hole of the rubber cylinder 2 is communicated with the dispensing control box 5 through a second connecting pipe 7. The dispensing control box 5 can be an air pump and a control unit for controlling the air output of the air pump; the control unit may control the amount of gas discharged by controlling the operation power of the air pump, etc. During dispensing, the glue cylinder 2 containing glue solution is arranged on the supporting seat 1, the glue cylinder 2 is connected with the glue dispensing needle 4 through the first connecting pipe 6, and the glue cylinder 2 is connected with the glue dispensing control box 5 through the second connecting pipe 7. The glue dispensing needle 4 is moved to the glue dispensing position through the glue dispensing driving component 3, pressure is supplied to the glue cylinder 2 through the glue dispensing control box 5, so that glue liquid is extruded out of the glue dispensing needle 4, and repeated glue dispensing is realized. This structure, this application is through installing packing element 2, point glue drive assembly 3 and point glue control box 5 respectively on supporting seat 1, and packing element 2 can be used to the splendid attire glue solution. The constant pressure is provided for the glue cylinder 2 through the glue dispensing control box 5, so that the glue solution amount discharged by the glue dispensing needle 4 every time can be kept uniform, and the glue dispensing quality is improved; moreover, the glue discharging amount of the glue dispensing needle 4 can be changed according to supports or chips with different sizes by adjusting the pressure of the glue dispensing control box 5 on the glue barrel 2, and the adaptability is good. The position of the dispensing needle 4 can be adjusted through the dispensing driving component 3, so that dispensing is convenient.

In an embodiment, referring to fig. 2, as a specific implementation of the dispensing apparatus provided in the embodiment of the present application, a first clamping seat 11 and a second clamping seat 12 connected to the first clamping seat 11 for clamping the glue cartridge 2 are installed on the supporting seat 1. This structure, through the dismantlement of first grip slipper 11 with second grip slipper 12, can realize the dismantlement of packing element 2 and supporting seat 1, the convenience is reinforced, the washing etc. to packing element 2.

In an embodiment, please refer to fig. 3, as a specific implementation manner of the dispensing apparatus provided in the embodiment of the present application, the glue cartridge 2 includes a cartridge body 21 and an end cap 22 detachably connected to the cartridge body 21; the cylinder 21 is connected with the dispensing needle 4, and the end cover 22 is connected with the dispensing control box 5. The discharge port of the cylinder 21 is connected with the dispensing needle 4 through a first connecting pipe 6, and the feed port of the end cover 22 is connected with the dispensing control box 5 through a second connecting pipe 7. This structure, through the disassembling of barrel 21 and end cover 22, the convenience is to the reinforced of packing element 2.

In an embodiment, referring to fig. 4, as a specific implementation manner of the dispensing apparatus provided in the embodiment of the present application, a clamping groove 221 is formed on the end cover 22, and a clamping plate 211 screwed into the clamping groove 221 is installed on the cylinder 21. In the structure, the clamping plate 211 is screwed into the clamping groove 221 through the relative rotation of the cylinder body 21 and the end cover 22, so that the connection between the end cover 22 and the cylinder body 21 can be realized; the clamping plate 211 is screwed out of the clamping groove 221, so that the end cover 22 and the cylinder body 21 can be disassembled. Of course, in other embodiments, the end cap 22 and the cylinder 21 may be detachably connected by other means, such as a snap connection, a threaded connection, a snap connection, etc., and are not limited herein.

In an embodiment, please refer to fig. 5 and fig. 6, as a specific implementation manner of the dispensing apparatus provided in the embodiment of the present application, the dispensing driving assembly 3 includes a dispensing lifting unit 31 for driving the dispensing needle 4 to lift and a dispensing swinging unit 32 for driving the dispensing needle 4 to swing horizontally; the dispensing needle 4 is connected to the dispensing lifting unit 31, the dispensing lifting unit 31 is connected to the dispensing swinging unit 32, and the dispensing swinging unit 32 is mounted on the support base 1. With this structure, the position adjustment of the dispensing needle 4 in two directions can be realized by the dispensing lifting unit 31 and the dispensing swinging unit 32. Of course, in other embodiments, the dispensing driving assembly 3 may further include a dispensing traverse unit for driving the dispensing needle 4 to move laterally, a dispensing longitudinal unit for driving the dispensing needle 4 to move longitudinally, and the like, which are not limited herein.

In an embodiment, please refer to fig. 5 and fig. 6, as a specific implementation manner of the dispensing apparatus provided in the embodiment of the present application, the dispensing lifting unit 31 includes a swing base 311 connected to the dispensing swing unit 32, a lifting slider 312 slidably mounted on the swing base 311, a dispensing swing arm 313 mounted on the lifting slider 312, a first eccentric 314 for driving the lifting slider 312 to lift, and a lifting motor 315 for driving the first eccentric 314 to rotate, wherein the lifting motor 315 is mounted on the supporting base 1, the lifting motor 315 is connected to the first eccentric 314, and the dispensing needle 4 is mounted on the dispensing swing arm 313. The swing base 311 and the up-down slider 312 may be coupled to each other by a pair of guide rails, so that the up-down slider 312 may be lifted and lowered on the swing base 311 with high reliability. This structure, through the cooperation of first eccentric wheel 314 and lift slider 312, can drive the lift of point plastic pin 4 fast, high-efficient to guarantee the precision of point plastic pin 4 elevating position. Of course, in other embodiments, the dispensing lifting unit 31 may also be a screw driving mechanism, a cylinder driving mechanism, a sliding table linear motor, etc., which are not limited herein.

In an embodiment, referring to fig. 6, as a specific implementation manner of the dispensing apparatus provided in the embodiment of the present application, a sliding groove 3121 is formed on the lifting slider 312, and a pushing wheel 3141 disposed in the sliding groove 3121 is installed on the first eccentric wheel 314. With the structure, when the first eccentric wheel 314 rotates, the pushing wheel 3141 can be driven to push the side wall of the sliding groove 3121 more flexibly, so as to push the lifting slider 312 to lift, and when the lifting slider 312 swings, the pushing wheel 3141 can be prevented from blocking the lifting slider 312, so that the lifting slider 312 can rotate along with the swing base 311.

In one embodiment, referring to fig. 5, the swing base 311 is provided with an elastic member 316 for elastically pulling the lifting slider 312 upward, one end of the elastic member 316 is connected to the swing base 311, and the other end of the elastic member 316 is connected to the lifting slider 312. The elastic member 316 may be a spring or an elastic string. With the structure, the elastic member 316 can counteract the gravity of the lifting slider 312, the dispensing swing arm 313 and the dispensing needle 4, so that the first eccentric wheel 314 can push the lifting slider 312, the dispensing swing arm 313 and the dispensing needle 4 to flexibly lift.

In an embodiment, please refer to fig. 5 and fig. 6, as a specific implementation manner of the dispensing device provided in the embodiment of the present application, the dispensing swing unit 32 includes a swing shaft 321 having one end connected to the dispensing lifting unit 31 (specifically, the swing base 311 of the dispensing lifting unit 31), a rocker 322 connected to the other end of the swing shaft 321, a second eccentric 323 for pushing the rocker 322 to swing, and a swing motor 324 for driving the second eccentric 323 to rotate; the swing shaft 321 is rotatably mounted on the support base 1, and the swing motor 324 is mounted on the support base 1. With the structure, the frequency of the reciprocating rotation of the swing shaft 321 can be increased by the cooperation of the rocker 322 and the second eccentric wheel 323, so as to drive the dispensing needle 4 to swing more quickly, and the precision of the swing angle of the dispensing swing arm 313 can be ensured. Of course, in other embodiments, the dispensing swing unit 32 may also be a stepping motor directly connected to the swing shaft 321, which is not limited herein.

In an embodiment, referring to fig. 5, as a specific implementation manner of the dispensing device provided in the embodiment of the present application, an accommodating groove 3221 is formed at an end of the rocker 322 away from the swing shaft 321, and the roller 3231 disposed in the accommodating groove 3221 is installed on the second eccentric wheel 323. With the structure, the roller 3231 is engaged with the receiving groove 3221, so that when the second eccentric wheel 323 rotates, the roller 3231 can flexibly push the sidewall of the receiving groove 3221 to drive the rocking bar 322 to swing.

In one embodiment, please refer to fig. 5, two rocking bars 322 are provided, and a receiving groove 3221 is formed between the two rocking bars 322. The two rocking bars 322 are used to conveniently form the accommodating groove 3221 matched with the roller 3231 in size, so that the two rocking bars 322 are respectively attached to the outer peripheral surface of the roller 3231. Of course, in some embodiments, a rocker 322 may also be used, and the receiving groove 3221 is formed in the rocker 322.

The embodiment of the application also provides a die bonder which comprises the dispensing device provided by any one of the embodiments. The die bonder adopting the glue dispensing device in the embodiment can accurately control the glue dispensing amount, improve the glue dispensing uniformity and consistency, and avoid the phenomena of glue throwing and the like.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Adhesive deposite device, its characterized in that: the glue dispensing device comprises a supporting seat (1), a glue barrel (2) arranged on the supporting seat (1), a glue dispensing needle (4) connected with a discharge hole of the glue barrel (2), a glue dispensing driving component (3) used for driving the glue dispensing needle (4) to move, and a glue dispensing control box (5) used for supplying pressure to the glue barrel (2) so as to discharge glue liquid from the glue dispensing needle (4); the dispensing driving assembly (3) and the dispensing control box (5) are respectively arranged on the supporting seat (1), the dispensing driving assembly (3) is connected with the dispensing needle (4), and the dispensing control box (5) is connected with a feeding hole of the rubber barrel (2); the dispensing driving assembly (3) comprises a dispensing lifting unit (31) for driving the dispensing needle (4) to lift and a dispensing swinging unit (32) for driving the dispensing needle (4) to horizontally swing; the dispensing needle (4) is connected with the dispensing lifting unit (31), the dispensing lifting unit (31) is connected with the dispensing swinging unit (32), and the dispensing swinging unit (32) is installed on the supporting seat (1).

2. The dispensing apparatus of claim 1, wherein: the rubber tube clamping device is characterized in that a first clamping seat (11) and a second clamping seat (12) which is connected with the first clamping seat (11) to clamp the rubber tube (2) are installed on the supporting seat (1).

3. The dispensing apparatus of claim 1, wherein: the rubber cylinder (2) comprises a cylinder body (21) and an end cover (22) detachably connected with the cylinder body (21); the barrel (21) is connected with the dispensing needle (4), and the end cover (22) is connected with the dispensing control box (5).

4. The dispensing apparatus of claim 3, wherein: a clamping groove (221) is formed in the end cover (22), and a clamping plate (211) screwed into the clamping groove (221) is installed on the barrel body (21).

5. The dispensing apparatus of any of claims 1-4, wherein: the dispensing lifting unit (31) comprises a swinging seat (311) connected with the dispensing swinging unit (32), a lifting slide block (312) slidably mounted on the swinging seat (311), a dispensing swing arm (313) mounted on the lifting slide block (312), a first eccentric wheel (314) for pushing the lifting slide block (312) to lift and a lifting motor (315) for driving the first eccentric wheel (314) to rotate, wherein the lifting motor (315) is mounted on the supporting seat (1), and the dispensing needle (4) is mounted on the dispensing swing arm (313).

6. The dispensing apparatus of claim 5, wherein: a sliding groove (3121) is formed in the lifting sliding block (312), and a pushing wheel (3141) arranged in the sliding groove (3121) is mounted on the first eccentric wheel (314).

7. The dispensing apparatus of claim 1, wherein: the dispensing swing unit (32) comprises a swing shaft (321) with one end connected with the dispensing lifting unit (31), a rocker (322) connected with the other end of the swing shaft (321), a second eccentric wheel (323) for pushing the rocker (322) to swing and a swing motor (324) for driving the second eccentric wheel (323) to rotate; the swing shaft (321) is rotatably mounted on the support seat (1), and the swing motor (324) is mounted on the support seat (1).

8. The dispensing apparatus of claim 7, wherein: an accommodating groove (3221) is formed in one end, away from the swinging shaft (321), of the rocker (322), and a roller (3231) arranged in the accommodating groove (3221) is mounted on the second eccentric wheel (323).

9. Solid brilliant machine, its characterized in that: comprising a dispensing device according to any of claims 1-8.