CN113345820A - Precise quantitative liquid resin supply device - Google Patents
Precise quantitative liquid resin supply device Download PDFInfo
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- CN113345820A CN113345820A CN202110673947.9A CN202110673947A CN113345820A CN 113345820 A CN113345820 A CN 113345820A CN 202110673947 A CN202110673947 A CN 202110673947A CN 113345820 A CN113345820 A CN 113345820A
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- extruding
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 229920005989 resin Polymers 0.000 title claims abstract description 32
- 239000011347 resin Substances 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 145
- 238000001125 extrusion Methods 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000005303 weighing Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 abstract description 20
- 239000003822 epoxy resin Substances 0.000 abstract description 9
- 229920000647 polyepoxide Polymers 0.000 abstract description 9
- 239000004593 Epoxy Substances 0.000 description 11
- 230000003028 elevating effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The application relates to a precise and quantitative liquid resin supply device which comprises an installation frame, a charging barrel fixing mechanism, an extrusion mechanism and a lifting mechanism; the lifting mechanism is mounted on the mounting rack and reciprocates in the vertical direction; the charging barrel fixing mechanism is installed on the lifting mechanism, the lifting mechanism drives the charging barrel fixing mechanism to reciprocate along the vertical direction, and the charging barrel fixing mechanism is suitable for installing a charging barrel; the extruding mechanism is fixedly installed on the lifting mechanism and located above the charging barrel fixing mechanism, and the extruding mechanism is suitable for extruding the materials in the charging barrel in the vertical direction. The device can change the liquid epoxy resin extruded from the cylinder from thick paste into fine epoxy resin, and the epoxy resin can be repeatedly reciprocated up and down to break the epoxy resin, thereby ensuring the automatic control of the supply amount.
Description
Technical Field
The application relates to the technical field of semiconductor preparation, in particular to a precise and quantitative liquid resin supply device.
Background
In the process of packaging a chip, the powder epoxy resin easily causes dust to easily pollute a clean room in wafer packaging, and the supply amount of the powder is difficult to precisely control, so that the product is poor; in a wafer-level package or a panel-level package, the flowability of the resin is difficult to control, local insufficient or excessive filling of the resin is likely to occur, the flow rate of the resin is difficult to control, and chip position shift and failure are likely to occur. This results in a relatively large limitation in the application of powdered or solid epoxy resins in wafer-level or panel-level packaging.
The liquid resin avoids the defects of powder or solid granular resin, but the liquid resin has high viscosity, is easy to stick to the inner wall of a container, is linear during discharging, is not easy to fall off from the container, and causes difficulty in controlling the supply amount of the liquid resin.
Disclosure of Invention
In view of the above, the present application provides a precise quantitative liquid resin feeding device, which changes the liquid epoxy resin extruded from a cylinder from thick paste to fine like filaments, and ensures automatic control of the feeding amount by repeating up and down reciprocating motion to achieve the purpose of filament breakage.
According to an aspect of the present application, there is provided a precise and quantitative liquid resin supply apparatus including a mounting frame, a cartridge fixing mechanism, an extruding mechanism, and a lifting mechanism;
the lifting mechanism is mounted on the mounting rack and reciprocates in the vertical direction;
the charging barrel fixing mechanism is installed on the lifting mechanism, the lifting mechanism drives the charging barrel fixing mechanism to reciprocate along the vertical direction, and the charging barrel fixing mechanism is suitable for installing a charging barrel;
the extruding mechanism is fixedly installed on the lifting mechanism and located above the charging barrel fixing mechanism, and the extruding mechanism is suitable for extruding the materials in the charging barrel in the vertical direction.
In one possible implementation, the lifting mechanism includes a lifting assembly and a mounting panel;
the lifting assembly is fixedly arranged on the mounting frame, the mounting panel is fixedly arranged on the lifting assembly, and the lifting assembly controls the mounting panel to reciprocate along the vertical direction;
the surface level of installation panel sets up, extrusion mechanism fixed mounting be in on the top face of installation panel, feed cylinder fixed establishment installs on the bottom face of installation panel, just feed cylinder fixed establishment part runs through the face of installation panel.
In one possible implementation manner, the mounting frame comprises a first frame body and a second frame body, and the lifting assembly comprises a lifting motor and a connecting block;
the first frame body and the second frame body are arranged at intervals, and the lifting motor is fixedly arranged on one side of the first frame body facing the second frame body;
the connecting block is fixedly arranged on the lifting end of the lifting motor;
the mounting panel is in a U-shaped plate shape, a U-shaped opening of the mounting panel is arranged downwards, and a plate surface on one side of the mounting panel is fixedly connected with the connecting block;
a slide block is arranged on the other side of the mounting panel;
the second support body is provided with a slide way on one side facing the first support body, and the slide block is connected with the slide way in a sliding manner.
In one possible implementation, the cartridge securing mechanism includes a rotary motor, a rotary shaft, and a mounting assembly;
the rotating motor is fixedly arranged on the lifting assembly, an output shaft of the rotating motor is arranged downwards, and the rotating shaft is fixedly connected with the output shaft of the rotating motor;
the mounting assembly is mounted on the shaft body of the rotating shaft;
be equipped with the installation department more than two on installation component's the lateral wall, more than two the installation department winds installation component's axis distributes, the installation department is applicable to the installation the feed cylinder.
In a possible implementation manner, a first support is fixed on the lifting assembly, the rotating shaft is fixedly installed on the first support, and the rotating shaft is arranged through the first support;
the mounting assembly is mounted on a shaft body of the rotating shaft, which penetrates through the first supporting piece, and a second supporting piece is fixed at one end of the rotating shaft, which penetrates through the first supporting piece;
the second support is used for supporting the mounting assembly.
In one possible implementation manner, the extrusion mechanism comprises an extrusion driving assembly and an extrusion rod assembly, the extrusion driving assembly is mounted on the lifting mechanism, the extrusion driving assembly is positioned above the charging barrel fixing mechanism, and the lifting mechanism drives the extrusion driving assembly to reciprocate along the vertical direction;
the extrusion rod assembly is fixedly arranged on the extrusion driving assembly, and the extrusion driving assembly drives the extrusion rod assembly to reciprocate along the vertical direction;
the extrusion ram assembly is adapted to extrude material inside the cartridge.
In one possible implementation, the extrusion drive assembly includes an electric cylinder, a mounting block, and a support frame;
the support frame is fixedly arranged on the lifting assembly, and the electric cylinder is vertically and fixedly arranged on one side of the support frame, which is not arranged with the lifting assembly;
the mounting block is fixedly mounted on the lifting end of the electric cylinder, and the extrusion rod assembly is vertically and fixedly mounted on the mounting block.
In one possible implementation, the squeeze bar assembly includes a bar body, a position sensor, and a squeeze head;
the rod body is vertically fixed on the extrusion driving assembly, and the extrusion head is fixedly arranged at the bottom of the rod body, so that the rod body and the extrusion head are connected in a piston shape;
the position sensor is fixedly arranged at the top of the rod body and used for detecting the position of the rod body.
In one possible implementation, the device further comprises a closing component;
the closing assembly is fixedly mounted on the mounting frame, the closing assembly is located in the area below the charging barrel fixing mechanism, and the closing assembly is suitable for closing the discharging port of the charging barrel.
In a possible implementation manner, the wafer loading device further comprises a weighing mechanism, wherein the weighing mechanism is arranged at the bottom of the material cylinder fixing mechanism, and the top of the weighing mechanism is suitable for placing a wafer.
The precise quantitative liquid resin supply device comprises a mounting frame, a material barrel fixing mechanism, an extruding mechanism and an elevating mechanism, wherein the elevating mechanism is mounted on the mounting frame, the extruding mechanism and the material barrel fixing mechanism are mounted on the elevating mechanism, the extruding mechanism is arranged on the material barrel fixing mechanism, the material barrel fixing mechanism is arranged below, and the material barrel is mounted on the material barrel fixing mechanism to complete the mounting. When liquid epoxy resin is supplied, the material cylinder is firstly positioned below the extrusion mechanism, the extrusion mechanism linearly reciprocates along the vertical direction to extrude the liquid epoxy resin in the material cylinder, and the liquid epoxy resin flows onto the wafer quickly. When liquid epoxy flowed to required weight, reduce the speed of extruding mechanism extrusion liquid epoxy, and reciprocate through elevating system drive feed cylinder fixed establishment and extruding mechanism are whole, thereby make the liquid epoxy who extrudes in the feed cylinder become fine like the silk, and through the up-and-down reciprocating motion of relapse, reach the purpose of disconnected silk, guaranteed that liquid epoxy supply volume is in the tolerance range of settlement, and also can avoid liquid epoxy to glue the problem that the inner wall at the feed cylinder, the discharge gate department of feed cylinder does not drop. In summary, the speed of extruding the liquid epoxy resin inside the material cylinder can be controlled through the extruding mechanism, so that when the liquid epoxy resin is close to the required weight, the extruding speed is reduced, the material cylinder fixing mechanism and the extruding mechanism are controlled by the lifting mechanism to move up and down, the liquid epoxy resin extruded in the material cylinder is changed into fine epoxy resin by thick paste, the thick epoxy resin is changed into fine epoxy resin through repeated up-and-down reciprocating motion, the purpose of wire breakage is achieved, and the automatic control of the supply amount is ensured.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.
FIG. 1 is a view showing a main structure of a liquid resin precision quantitative supply apparatus according to an embodiment of the present application;
FIG. 2 is a view showing the configuration of an extruding mechanism and a weighing mechanism of the precise liquid resin quantitative supply device according to the embodiment of the present application;
fig. 3 is a structural view showing a lifting mechanism and a cartridge fixing mechanism of the liquid resin precision quantitative supply device according to the embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
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 invention, "a plurality" means two or more unless specifically defined otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
Fig. 1 is a main structure diagram of a liquid resin precision metering device according to an embodiment of the present application. Fig. 2 is a view showing a configuration of an extruding mechanism and a weighing mechanism of the precise liquid resin quantitative supply device according to the embodiment of the present application. Fig. 3 is a structural view showing a lifting mechanism and a cartridge fixing mechanism of the liquid resin precision quantitative supply device according to the embodiment of the present application. As shown in fig. 1, 2 or 3, the liquid resin precise metering device includes: the cartridge fixing device includes a mounting block 100, a cartridge fixing mechanism 200, a lifting mechanism 300, and an extrusion mechanism 400, wherein the lifting mechanism 300 is mounted on the mounting block 100, and the lifting mechanism 300 can perform a reciprocating linear motion in a vertical direction. The material cylinder fixing mechanism 200 is installed on the lifting mechanism 300, the lifting mechanism 300 can drive the material cylinder fixing mechanism 200 to do reciprocating linear motion along the vertical direction, and a material cylinder can be installed on the material cylinder fixing mechanism 200. The extruding mechanism 400 is fixedly installed on the lifting mechanism 300, the extruding mechanism 400 is located above the material cylinder fixing mechanism 200, and the extruding mechanism 400 extrudes the material in the material cylinder along the vertical direction.
The precise quantitative liquid resin supply device comprises an installation frame 100, a material barrel fixing mechanism 200, an extruding mechanism 400 and a lifting mechanism 300, wherein the lifting mechanism 300 is installed on the installation frame 100, the extruding mechanism 400 and the material barrel fixing mechanism 200 are installed on the lifting mechanism 300, the extruding mechanism 400 is arranged on the upper portion, the material barrel fixing mechanism 200 is arranged on the lower portion, and the installation can be completed by installing the material barrel on the material barrel fixing mechanism 200. When the liquid epoxy resin is supplied, the material cylinder is firstly positioned below the extruding mechanism 400, the extruding mechanism makes linear reciprocating motion along the vertical direction to extrude the liquid epoxy resin in the material cylinder, and the liquid epoxy resin flows onto the wafer quickly. When liquid epoxy flows to required weight, reduce the speed that extruding means 400 extrudes liquid epoxy, and reciprocate through elevating system 300 drive feed cylinder fixed establishment 200 and extruding means 400 are whole, thereby make the liquid epoxy who extrudes in the feed cylinder become fine like the silk, and through the up-and-down reciprocating motion of relapse, reach the purpose of disconnected silk, guaranteed that liquid epoxy supply volume is in the tolerance range of settlement, and also can avoid liquid epoxy to glue the problem that the discharge gate department of feed cylinder does not fall off at the inner wall of feed cylinder, feed cylinder. In summary, the speed of extruding the liquid epoxy resin inside the cylinder can be controlled by the extruding mechanism 400 in the embodiment of the present application, so that when the liquid epoxy resin is close to the required weight, the extruding speed is reduced, and the cylinder fixing mechanism 200 and the extruding mechanism 400 are controlled by the lifting mechanism 300 to move up and down, so that the liquid epoxy resin extruded in the cylinder is changed from thick paste into fine filaments, and the filaments are broken by repeated up and down reciprocating motion, thereby ensuring the automatic control of the supply amount.
Here, it should be noted that, in one possible implementation, whether the epoxy resin on the wafer is close to the required weight may be determined by using the graduated cartridge 600, may be determined by monitoring the volume, and may also be determined by monitoring the time to determine whether the liquid epoxy resin is close to the required weight, which will not be described herein.
In one possible implementation, the lifting mechanism 300 includes a lifting assembly 310 and a mounting panel 320, the lifting assembly 310 is fixedly mounted on the mounting block 100, the mounting panel 320 is fixedly mounted on the lifting assembly 310, and the lifting assembly 310 controls the mounting panel 320 to reciprocate in a vertical direction. The mounting panel 320 is horizontally disposed, the extruding mechanism 400 is fixedly mounted on the top plate of the mounting panel 320, the cartridge fixing mechanism 200 is mounted on the bottom plate of the mounting panel 320, and the cartridge fixing mechanism 200 partially penetrates through the plate of the mounting panel 320. Thus, an installation space is provided for the extruding mechanism 400 and the cartridge fixing mechanism 200 by providing the installation panel 320, and the installation panel 320 is controlled to move up and down by the lifting assembly 310, so that the extruding mechanism 400 and the cartridge fixing mechanism 200 can be controlled to move up and down, thereby further optimizing the structure of the extruding mechanism 400 of the embodiment of the present application.
Further, in a possible implementation manner, the mounting block 100 includes a first frame body 110 and a second frame body 120, the lifting assembly 310 includes a lifting motor 311 and a connection block 312, the first frame body 110 and the second frame body 120 are spaced and arranged oppositely, the lifting motor 311 is fixedly installed at one side of the first frame body 110 facing the second frame body 120, and the connection block 312 is fixedly installed at a lifting end of the lifting motor 311. The mounting panel 320 is in a shape of a U-plate, the U-opening of the mounting panel 320 is disposed downward, the plate surface on one side of the mounting panel 320 is fixedly connected with the connecting block 312, the plate surface on the other side of the mounting panel 320 is provided with a sliding block 330, the side of the second frame body 120 facing the first frame body 110 is provided with a sliding way 340, and the sliding block 330 is slidably connected with the sliding way 340. Thus, the structural stability can be enhanced by providing the mounting panel 320 in a "U" shaped plate, and the sliding of the mounting panel 320 is made smoother by the arrangement of the slider 330 and the sliding. Here, it should be noted that the lifting motor 311 is a conventional technical means for those skilled in the art, and the detailed description thereof is omitted here.
Here, it should be noted that, in one possible implementation, there are two connection blocks 312, the two connection blocks 312 are sequentially connected to the lifting end of the lifting motor 311 from bottom to top, and one side of the connection block 312 away from the lifting end of the lifting motor 311 is fixedly connected to the mounting panel 320. Therefore, the stability of the connection is further improved, and the installation structure of the installation panel 320 is more stable.
In one possible implementation manner, the cartridge fixing mechanism 200 includes a rotating motor 210, a rotating shaft 220, and a mounting assembly 230, wherein the rotating motor 210 is fixedly mounted on the lifting assembly 310, an output shaft of the rotating motor 210 is disposed downward, and the rotating shaft 220 is fixedly connected with the output shaft of the rotating motor 210. The mounting assembly 230 is mounted on the shaft body of the rotating shaft 220, the outer side wall of the mounting assembly 230 is provided with more than two mounting parts 231, the more than two mounting parts 231 are distributed around the central axis of the mounting assembly 230, and the mounting parts 231 are used for mounting the cartridge 600. Accordingly, a plurality of cartridges 600 may be mounted on the mounting assembly 230, and when one cartridge 600 is required to be used, the cartridge 600 may be rotated to the extruding mechanism 400 by the rotating motor 210, thereby improving the working efficiency.
Further, in a possible implementation manner, a first support frame is fixed on the lifting assembly 310, the rotating shaft 220 is fixedly installed on the first support member 800, and the rotating shaft 220 is disposed through the first support member 800. The mounting assembly 230 is mounted on a shaft body of the rotating shaft 220 penetrating through the first support member 800, a section of the rotating shaft 220 penetrating through the first support member 800 is fixed by the second support member 900, and the second support member 900 is used for supporting the mounting assembly 230. Thereby, the mounting stability of the mounting assembly 230 of the embodiment of the present application is further enhanced.
Here, it should be noted that, in a possible implementation manner, when the lifting assembly 310 includes the mounting panel 320, the first supporting member 800 is fixedly mounted at the bottom of the mounting panel 320, a through hole is formed in a plate surface of the mounting panel 320, the through hole is coaxially disposed with the first supporting member 800, and the rotating electrical machine 210 is mounted on the first supporting member 800 through the through hole.
Further, in a possible implementation manner, the first supporting member 800 is in a block shape, and a stepped hole is formed on the first supporting member 800, and the stepped hole is coaxially disposed with the output shaft of the rotating electrical machine 210. The diameter of the orifice of the stepped hole towards the top is larger than the diameter of the orifice of the stepped hole towards the bottom. The rotating shaft 220 is sleeved with a rotating shaft 220 bearing, and the rotating shaft 220 bearing is matched with a stepped hole at the bottom position.
Further, in a possible implementation manner, the output shaft of the rotating electrical machine 210 is connected to the rotating shaft 220 through a coupling, and a bearing is sleeved on the coupling, and the bearing on the coupling is matched with the stepped hole at the top position. Furthermore, the stepped hole is a three-stage stepped hole.
Here, it should also be noted that, in one possible implementation, the mounting member 230 has a disk shape, and a through hole is provided through the disk surface of the mounting member 230, and the through hole is matched with the rotating shaft 220. The side wall of the mounting component 230 is provided with a groove, and the groove is formed around the axis of the outer side wall of the mounting component 230, so that the weight of the mounting component 230 is reduced, the bearing of the lifting component 310 is reduced, and the service life of the embodiment of the application is prolonged. The mounting groove has been seted up on the bottom face of installation component 230, and second support piece 900 is including stretching into portion and butt portion, and wherein, the structure phase-match of the structure of stretching into portion and mounting groove just stretches into and sets up in the portion and stretches into the hole with axis of rotation 220 assorted. The abutting portion is annular, the abutting portion is arranged on one side, deviating from the first supporting piece 800, of the stretching portion, the abutting portion is arranged in the circumferential direction of the outer wall of the stretching portion, and the bottom plane of the abutting portion is arranged in parallel and level with the bottom plane of the stretching portion. Therefore, the structure of the embodiment of the present application is optimized, the weight of the mounting assembly 230 is further reduced, and the mounting assembly 230 is more stably mounted. Here, the abutting portion may be formed with a through hole, and the through hole is matched with the rotating shaft 220. Here, the diameter of the mounting assembly 230 is greater than the width of the mounting panel 320.
Here, it should also be noted that, in a possible implementation manner, the mounting assembly 230 may be mounted on the rotating shaft 220 by an interference fit manner, and may also be connected with the rotating shaft 220 by a pin connection, a threaded connection, or a welding manner, which will not be described in detail herein. The second supporting member 900 may also be connected to the rotating shaft 220 in an interference fit, a pin connection, a threaded connection, or a welding manner, which is not described herein.
Here, it should also be noted that, in one possible implementation, each mounting portion 231 includes a first mounting part and a second mounting part, and the first mounting part and the second mounting part are respectively disposed at both sides of the groove of the mounting assembly 230, and the first mounting part and the second mounting part are sequentially distributed in the vertical direction. Thereby, the mounting of the cartridge 600 is made more robust.
Here, it should also be noted that, in a possible implementation manner, the first mounting member includes a fixing member, a fixed clamping member and a movable clamping member, wherein the fixing member is in a block shape, and the fixing member is fixedly mounted on the mounting assembly 230, the fixed clamping member is in a semi-arc shape, an arc-shaped groove matched with the fixed clamping member is formed in one side of the fixing member departing from the mounting assembly 230, the fixed clamping member is fixedly mounted in the arc-shaped groove, and an opening of the fixed clamping member is arranged departing from the mounting assembly 230. The movable clamping piece is in a semicircular arc shape matched with the fixed clamping piece, and one end of the movable clamping piece is rotatably connected with one end of the fixed clamping piece, so that the movable clamping piece can be hinged. The other end of the movable clamping piece can be provided with a clamping part, the other end of the fixed clamping piece is provided with a clamping hole, and the clamping part is matched with the clamping hole. Here, the movable engaging portion may be an engaging tape, and the other end of the fixed engaging portion may be provided with a buckle, so that the engaging tape is mounted on the opening when the cartridge 600 is mounted.
In another possible implementation manner, hooks may be disposed at two ends of the fixed clamping member, the movable clamping member is in a band shape, connecting rings are fixed at two ends of the movable clamping member, and the connecting rings are clamped on the hooks in a one-to-one correspondence manner when the charging barrel 600 is installed.
In one possible implementation manner, the extrusion mechanism 400 includes an extrusion driving assembly 410 and an extrusion rod assembly 420, the extrusion driving assembly 410 is mounted on the lifting mechanism 300, the extrusion driving assembly 410 is located above the cartridge fixing mechanism 200, and the lifting mechanism 300 drives the extrusion driving assembly 410 to perform reciprocating linear motion in the vertical direction. The extrusion rod assembly 420 is fixedly installed on the driving assembly 410, the extrusion driving assembly 410 can drive the extrusion rod assembly 420 to perform reciprocating linear motion along the vertical direction, and the extrusion rod assembly 420 is used for extruding the materials on the inner wall of the barrel 600. Thus, the speed at which the extrusion rod assembly 420 extrudes the liquid epoxy resin in the cartridge 600 may be controlled by the extrusion drive assembly 410.
Further, in a possible implementation manner, the extrusion driving assembly 410 includes an electric cylinder 412, a mounting block 413 and a supporting frame 411, the supporting frame 411 is fixedly installed on the lifting assembly 310, and the electric cylinder 412 is vertically and fixedly installed on a side of the supporting frame 411, which is not installed with the lifting assembly 310. The mounting block 413 is fixedly installed on the elevating end of the electric cylinder 412, and the extrusion rod assembly 420 is vertically and fixedly installed on the mounting block 413. Accordingly, the electric cylinder 412 can be more stably provided by the support bracket 411, and the electric cylinder 412 controls the mounting block 413 to ascend and descend, thereby controlling the extrusion rod assembly 420 mounted on the mounting block 413 to ascend and descend.
Here, it should be noted that, in a possible implementation manner, the supporting frame 411 has an "L" shaped plate surface, one end plate surface of the supporting frame 411 is fixedly installed on the installation panel 320, the electric cylinder 412 is fixedly installed on the plate surface of the supporting frame 411 perpendicular to the installation panel 320, and the lifting end of the electric cylinder 412 is vertically arranged.
In one possible implementation, the extrusion rod assembly 420 includes a rod 422, a position sensor 423, and an extrusion head 421, wherein the rod 422 is vertically fixed on the extrusion driving assembly 410, and the extrusion head 421 is fixedly installed at the bottom of the rod 422, so that the rod 422 and the extrusion head 421 are connected in a piston shape. Position sensor 423 is fixedly mounted on the top of stick 422 for detecting the position of stick 422. This application embodiment makes the body of rod 422 and extrusion head 421 into the piston form, can be more convenient extrude the inside liquid epoxy of feed cylinder 600, through setting up the position that position sensor 423 can real-time detection body of rod 422 is located, prevented that the body of rod 422 motion is excessive or the motion amplitude undersize, can further improve the accurate performance of extrusion.
Here, it should be noted that the position sensor 423 may adopt a conventional technical means of those skilled in the art, and the detailed description thereof is omitted.
Here, it should also be noted that in one possible implementation, rod 422 may be threaded with mounting block 413, or may be snap-fit.
Here, it should also be noted that in one possible implementation, the extrusion head 421 is in the form of a cylindrical block, and one end of the extrusion head 421 is provided with an outward projection arrangement.
In one possible implementation, a closing assembly 700 is further included, the closing assembly 700 is fixedly mounted on the mounting bracket 100, and the closing assembly 700 is located at a lower region of the cartridge fixing mechanism 200, and the closing assembly 700 is used for closing the discharge port of the cartridge 600. By arranging the closing assembly 700, the discharge port of the cartridge 600 can be closed after a wafer is packaged, and further, the liquid epoxy resin inside the cartridge 600 is prevented from flowing out.
Here, it should be noted that in one possible implementation, the closing assembly 700 may be a cylinder jaw and the discharge port of the cartridge 600 is a hose structure, whereby the cylinder can be used to drive the cylinder jaw to clamp the discharge pipe of the cartridge 600, thereby achieving the purpose of closing the discharge port.
In a possible implementation manner, the wafer loading device further comprises a weighing mechanism 500, wherein the weighing mechanism 500 is arranged at the bottom of the material cylinder fixing mechanism 200, namely at the bottom of a material outlet of the material cylinder 600 installed on the material cylinder fixing mechanism 200, and the top of the weighing mechanism 500 is suitable for placing a wafer. Thus, the extrusion head 421 in the extrusion mechanism 400 extrudes the liquid epoxy resin in the cartridge 600 and drops the liquid epoxy resin onto the weighing mechanism 500 for placing the wafer, and the weight of the liquid epoxy resin on the wafer can be displayed by the weighing mechanism 500, thereby ensuring the control of the supply amount.
Here, it should be noted that, in one possible implementation, the weighing mechanism 500 includes a base 510 and an electronic scale 520, and the electronic scale 520 is fixedly mounted on the base 510. Further, the electronic scale 520 may employ a precision electronic weighing scale, and the precision thereof may be brought to ± 0.05g, thereby ensuring automatic precision control of the supply amount so that the precision may reach ± 0.1 g.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The precise quantitative liquid resin supplying device is characterized by comprising an installation frame, a charging barrel fixing mechanism, an extruding mechanism and a lifting mechanism;
the lifting mechanism is mounted on the mounting rack and reciprocates in the vertical direction;
the charging barrel fixing mechanism is installed on the lifting mechanism, the lifting mechanism drives the charging barrel fixing mechanism to reciprocate along the vertical direction, and the charging barrel fixing mechanism is suitable for installing a charging barrel;
the extruding mechanism is fixedly installed on the lifting mechanism and located above the charging barrel fixing mechanism, and the extruding mechanism is suitable for extruding the materials in the charging barrel in the vertical direction.
2. The precise liquid resin metering device of claim 1, wherein the lifting mechanism comprises a lifting assembly and a mounting panel;
the lifting assembly is fixedly arranged on the mounting frame, the mounting panel is fixedly arranged on the lifting assembly, and the lifting assembly controls the mounting panel to reciprocate along the vertical direction;
the surface level of installation panel sets up, extrusion mechanism fixed mounting be in on the top face of installation panel, feed cylinder fixed establishment installs on the bottom face of installation panel, just feed cylinder fixed establishment part runs through the face of installation panel.
3. The precise liquid resin metering device of claim 2, wherein the mounting frame comprises a first frame body and a second frame body, and the lifting assembly comprises a lifting motor and a connecting block;
the first frame body and the second frame body are arranged at intervals, and the lifting motor is fixedly arranged on one side of the first frame body facing the second frame body;
the connecting block is fixedly arranged on the lifting end of the lifting motor;
the mounting panel is in a U-shaped plate shape, a U-shaped opening of the mounting panel is arranged downwards, and a plate surface on one side of the mounting panel is fixedly connected with the connecting block;
a slide block is arranged on the other side of the mounting panel;
the second support body is provided with a slide way on one side facing the first support body, and the slide block is connected with the slide way in a sliding manner.
4. The precise liquid resin metering device of claim 1, wherein the cartridge fixing mechanism comprises a rotary motor, a rotary shaft and a mounting assembly;
the rotating motor is fixedly arranged on the lifting assembly, an output shaft of the rotating motor is arranged downwards, and the rotating shaft is fixedly connected with the output shaft of the rotating motor;
the mounting assembly is mounted on the shaft body of the rotating shaft;
be equipped with the installation department more than two on installation component's the lateral wall, more than two the installation department winds installation component's axis distributes, the installation department is applicable to the installation the feed cylinder.
5. The precise liquid resin metering device of claim 4, wherein a first support member is fixed on the lifting assembly, the rotating shaft is fixedly mounted on the first support member, and the rotating shaft penetrates through the first support member;
the mounting assembly is mounted on a shaft body of the rotating shaft, which penetrates through the first supporting piece, and a second supporting piece is fixed at one end of the rotating shaft, which penetrates through the first supporting piece;
the second support is used for supporting the mounting assembly.
6. The precise liquid resin metering device of claim 1, wherein the extruding mechanism comprises an extruding driving assembly and an extruding rod assembly, the extruding driving assembly is mounted on the lifting mechanism, the extruding driving assembly is positioned above the charging barrel fixing mechanism, and the lifting mechanism drives the extruding driving assembly to reciprocate along the vertical direction;
the extrusion rod assembly is fixedly arranged on the extrusion driving assembly, and the extrusion driving assembly drives the extrusion rod assembly to reciprocate along the vertical direction;
the extrusion ram assembly is adapted to extrude material inside the cartridge.
7. The precise liquid resin metering device of claim 6, wherein the extrusion drive assembly comprises an electric cylinder, a mounting block and a support frame;
the support frame is fixedly arranged on the lifting assembly, and the electric cylinder is vertically and fixedly arranged on one side of the support frame, which is not arranged with the lifting assembly;
the mounting block is fixedly mounted on the lifting end of the electric cylinder, and the extrusion rod assembly is vertically and fixedly mounted on the mounting block.
8. The precise liquid resin metering device of claim 6, wherein the extrusion rod assembly comprises a rod body, a position sensor and an extrusion head;
the rod body is vertically fixed on the extrusion driving assembly, and the extrusion head is fixedly arranged at the bottom of the rod body, so that the rod body and the extrusion head are connected in a piston shape;
the position sensor is fixedly arranged at the top of the rod body and used for detecting the position of the rod body.
9. A precise liquid resin metering device according to any one of claims 1 to 8, further comprising a closing assembly;
the closing assembly is fixedly mounted on the mounting frame, the closing assembly is located in the area below the charging barrel fixing mechanism, and the closing assembly is suitable for closing the discharging port of the charging barrel.
10. A precise liquid resin metering device according to any one of claims 1 to 8, further comprising a weighing mechanism disposed at the bottom of the cartridge holding mechanism, the top of the weighing mechanism being adapted to receive a wafer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110673947.9A CN113345820A (en) | 2021-06-17 | 2021-06-17 | Precise quantitative liquid resin supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110673947.9A CN113345820A (en) | 2021-06-17 | 2021-06-17 | Precise quantitative liquid resin supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113345820A true CN113345820A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110673947.9A Pending CN113345820A (en) | 2021-06-17 | 2021-06-17 | Precise quantitative liquid resin supply device |
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| Country | Link |
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| CN (1) | CN113345820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032682A1 (en) * | 2022-08-12 | 2024-02-15 | 苏州提点信息科技有限公司 | Beverage making machine capable of accurately discharging liquid |
-
2021
- 2021-06-17 CN CN202110673947.9A patent/CN113345820A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032682A1 (en) * | 2022-08-12 | 2024-02-15 | 苏州提点信息科技有限公司 | Beverage making machine capable of accurately discharging liquid |
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