CN216267060U - Powder resin supply device - Google Patents

Abstract

The application relates to a powdery resin supply device which is suitable for powdery resin forming and comprises a powdery resin supply mechanism and a weighing assembly; the powder resin supply mechanism is arranged above the weighing assembly and comprises a vibration feeding part and a three-axis driving device; the vibration feeding part is arranged on the three-axis driving device, and the lower part of the vibration feeding part is provided with a discharge hole; the three-axis driving device can drive the vibration feeding part to reciprocate in three mutually vertical directions, and has a preset moving range; the weighing assembly is arranged at a position below a preset moving range of the three-axis driving device. Remove through triaxial drive arrangement in the unloading, the wholely move unloading and cooperate with the subassembly of weighing to control blanking volume that can be accurate. The powder resin is matched with the vibration feeding part for use, on the premise of considering the cost, the blanking is stable and accurate, the volume of the material body is small, and after the material body falls onto a workpiece, the flowability of the material body is low, so that the situations of flash, drifting and the like can be effectively avoided.

Description

Powder resin supply device

Technical Field

The application relates to the field of packaging, in particular to a powder resin supply device.

Background

The existing epoxy resin for packaging is mainly cylindrical, enters a die cavity in an injection molding extrusion mode, and is cured and molded.

Cylindrical granular resin is mainly applied to injection molding occasions, but on some products with dense gold wires, cylindrical resin is used, and due to the fact that a resin flow channel is long, and the resin is easy to impact a chip in the extrusion flowing process, serious poor quality such as chip drifting, gold wire breakage on the chip, collapse and the like are generated; in some occasions that the bottom of the flip chip needs to be filled and the gaps among the spherical I/0 input/output points are small, in addition to serious product defects caused by impact generated by extrusion and flow of resin, cylindrical resin injection molding is easy to generate unfilled or poorly filled cylindrical resin at the dense and fine gaps among the spherical I/O points due to resin runners, flowability and the like, so that the injection molding cannot be used; in addition, the injection molding and the existence of waste materials such as runners increase the material cost, and the subsequent waste glue removal also makes the packaging equipment become complicated. Therefore, in the above case, the powder resin suitable for compression molding is used in large scale, such as wlp (wafer driver package) directly spread on the workpiece in wafer level package; or panel level packaging such as plp (wafer driver package) sprinkled directly on the panel; or panel level packaging such as plp (panel level package) directly spread on the panel; or, the powder resin is sprinkled on the film and melted in the mold, and then the package is packaged like the package of some FC Flip chips (Flip-Chip).

In summary, the cylindrical pellet resin injection molding is not suitable or feasible for products with dense gold wires and dense spherical or cylindrical I/O dots.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a powdered resin supply device, which is suitable for compression molding of powdered resin, and comprises the powdered resin supply mechanism and a weighing assembly; the powder resin supply mechanism is arranged above the weighing assembly and comprises a vibration feeding part and a three-axis driving device; the vibration feeding part is arranged on the three-axis driving device, and the lower part of the vibration feeding part is provided with a discharge hole; the three-axis driving device can drive the vibration feeding part to reciprocate in three mutually vertical directions, and has a preset movement range; the weighing assembly is arranged at the position below the preset moving range of the three-axis driving device.

In one possible implementation manner, the vibration feeding part comprises a box body, a storage bin, a discharging rail and a vibrator body; the box body is fixedly arranged on the three-axis driving device, an openable feeding opening is formed in the top or the side wall of the box body, and a through hole is formed in the bottom of the box body and used for blanking; the bin is arranged in the box body, and the top of the bin is communicated to the openable feeding port; the discharge rail is arranged at the bottom of the storage bin and is communicated with the storage bin; the vibrator body is installed on the feed bin for vibration unloading.

In one possible implementation manner, the vibration feeding part further comprises a blanking hopper; the blanking hopper is arranged in the box body and is positioned at the lower part of the side of the discharging track, the top of the blanking hopper is communicated with the discharging track, and the bottom of the blanking hopper is the discharging port.

In a possible implementation manner, the device further comprises a temperature and humidity control device, and the temperature and humidity control device is communicated with the internal environment of the storage bin.

In a possible implementation manner, the lower portion of the blanking hopper penetrates through a through hole at the bottom of the box body and extends downwards out of the box body, and the discharge hole is located outside the box body.

In a possible implementation mode, the material discharging device further comprises a plurality of vibration controllers which are respectively arranged on the stock bin and the material discharging rail, and the vibrator body and the vibration controllers are matched to control the whole blanking amount of the vibration feeding part; the discharging rail is transversely arranged; the blanking hopper is arranged below one end, far away from the vibration discharging unit, of the discharging rail.

In one possible implementation, the three-axis driving device includes two guide rails horizontally arranged in parallel at intervals, and two guide rails matched with each other, and along a longitudinal beam rail moving in the guide rail direction and a vertical lifting bracket moving in the longitudinal beam rail direction, and the vertical lifting bracket is fixedly connected with the box body.

In one possible implementation manner, the weighing assembly comprises a rack, a weight measuring device, a positioning plate, a lifting platform and a material guide groove plate; the bottom of the front end of the rack is provided with a weight measuring device, the top of the front end is provided with a positioning plate, and the middle part of the rack is vertically provided with a vertical rod; the lifting platform is arranged on the upright rod and is connected with the rack in a sliding manner; the material guide groove plate is fixed on the lifting platform.

In a possible implementation mode, the air exhaust device further comprises an air exhaust device and a main control module; the air exhaust device is arranged on the box body; the main control module is respectively and electrically connected with the stock bin, the exhaust device and the weight measuring device, and a display panel is arranged at the front end of the weight measuring device; one end of the material guide groove plate close to the rack is of a linear structure, and one end of the material guide groove plate far away from the rack is of a circular structure.

In one possible implementation, the device further comprises a standby material box; the standby material box is positioned beside the weighing component and is positioned below the feeding part together with the weighing component; the dust collecting mechanism is arranged beside the standby material box and used for sucking and discharging resin dust falling around the weighing component.

The beneficial effect of this application: through the vibration feeding portion that will be suitable for powdered resin down setting on triaxial drive arrangement, and triaxial drive arrangement removes when the unloading, and the wholely move unloading cooperatees with the subassembly of weighing to control blanking volume that can be accurate. The vibrating type discharging unit is more suitable for regularly and quantitatively discharging powder resin, is particularly suitable for workpieces with dense gold threads, and compared with cylindrical resin, spherical resin or liquid resin and the like, the powder resin is matched with the vibrating feeding part for use.

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 shows a front view of a powdery resin supply mechanism according to an embodiment of the present application;

FIG. 2 shows a plan view of a powdery resin supply device according to an embodiment of the present application;

FIG. 3 illustrates a side view of a weighing assembly according to an 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 the present application or for simplicity of 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 therefore should not be considered limiting of the present application.

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 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 shows a front view of a powdery resin supply mechanism according to an embodiment of the present application; FIG. 2 shows a plan view of a powdery resin supply device according to an embodiment of the present application; FIG. 3 illustrates a side view of a weighing assembly according to an embodiment of the present application.

As shown in fig. 1-3, the powder resin supply device, which is suitable for powder resin molding, includes a powder resin supply mechanism 10 and a weighing assembly 20, the powder resin supply mechanism 10 is disposed above the weighing assembly 20, and includes a vibration supply portion 11 and a three-axis driving device 12, the vibration supply portion 11 is disposed on the three-axis driving device 12, a discharge port is disposed at the lower portion, the three-axis driving device 12 can drive the vibration supply portion 11 to move reciprocally in three directions perpendicular to each other, and the three-axis driving device 12 has a preset movement range, and the weighing assembly 20 is disposed at a position below the preset movement range of the three-axis driving device 12.

In this embodiment, the vibration feeding portion 11 adapted to discharge the powdery resin is provided on the three-axis driving device 12, and the three-axis driving device 12 moves while discharging, integrally moves the discharging and cooperates with the weighing unit 20, thereby precisely controlling the discharging amount. The vibrating type discharging unit is more suitable for discharging powder resin regularly and quantitatively, and is particularly suitable for workpieces with dense gold threads.

It is particularly emphasized that the powder resin supply device is particularly suitable for powder resin molding in which chip gold wires are dense or are not easily sufficiently filled.

Furthermore, by moving the position of the three-axis driving device 12 while discharging, the powder is uniformly scattered on the whole workpiece surface, and the real-time weighing of the weighing component 20 below is fed back to the control system of the device, so as to automatically adjust the vibration frequency and vibration amount of the vibration control on the discharging track 114, and realize the precise quantitative control of the powder resin supply.

The vibration controller controls the vibration frequency, and the weighing component 20 feeds back and adjusts the vibration controller frequency in real time, so that the powdery resin is uniformly scattered on the whole surface of the workpiece, the flowing distance of the resin during mold closing is reduced, the impact on the chip and the impact on a gold wire on the chip caused by the flowing of the resin are reduced, further the gold wire collapse of the chip, the position offset of the chip, poor resin filling and the like are avoided, and the stable packaging yield is realized.

Further, the work flow of the powder resin supply device of the present application is: when the blanking is not started, the discharge port of the vibration feeding part 11 is aligned with the standby material box 30 to prevent the resin to be blanked from being scattered to the outside, before the blanking is started, proper powder resin is firstly added through the feed port 111A, the resin is vibrated to be discharged, the resin is guided into a workpiece through the blanking hopper 113, meanwhile, the three-axis driving device 12 carries out reciprocating motion, the vibrated powder resin is uniformly scattered on the workpiece, the weight of the scattered resin is measured in real time and fed back to the control system, the frequency of the vibration controller is automatically adjusted by the control system according to the fed-back weight data, and further, the quantitative precise supply is realized by controlling the single discharge amount and the discharge speed.

As shown in fig. 2, in one embodiment, the vibration feeding portion 11 further includes a box 111 and a vibration discharging unit, the box 111 is fixedly installed on the three-axis driving device 12, an openable feeding opening 111A is disposed on the top or the side wall, a through hole is disposed at the bottom of the box 111 for blanking, the vibration discharging unit is disposed in the box 111, and the top of the vibration discharging unit is communicated to the openable feeding opening 111A.

In this embodiment, the box 111 is fixed on the three-axis driving device 12, and the box 111 is used to fix the vibration discharging unit, so that most of powdered resin raw materials have strict requirements on temperature, humidity and the like, and the box 111 can meet the structural strength of the fixed vibration discharging unit, and moreover, the internal temperature and humidity of the box 111 can be controlled and adjusted more easily, which is beneficial to saving cost.

The vibration discharging unit comprises a storage hopper, a vibration mechanism and a discharging track 114 communicated with the lower portion of the vibration mechanism, the storage hopper is used for storing a certain amount of powder resin periodically, the upper portion of the storage hopper is communicated with a charging opening 111A which is arranged on the box body 111 and can be designed in an opening and closing mode, the feeding from the outside of the equipment is simple and rapid for implementing personnel in the field, redundant operation steps such as feeding can be carried out without opening the box body 111, and the design of the powder resin supply device is more reasonable. The lower part of the storage hopper is communicated with a vibration mechanism which is used for connecting the storage hopper at the upper part and the discharge rail 114 at the lower part.

In one possible implementation manner, the vibration feeding portion includes a box 111, a bin 112, a discharging rail 114 and a vibrator body; the feeding device is fixedly arranged on the three-shaft driving device 12, an openable feeding port is arranged on the top or the side wall, and a through hole is formed in the bottom of the box body and used for blanking; the storage bin 112 is arranged in the box body 111, and the top of the storage bin 112 is communicated to the openable feed inlet; the discharge rail 114 is arranged at the bottom of the storage bin 112 and is communicated with the storage bin 112; the vibrator body is mounted on the hopper 112 for vibratory blanking.

The vibration controller sets up in feed bin and orbital different positions of ejection of compact, controls the vibration volume and the speed of vibrator body through the frequency of setting for vibration controller, and then realizes the accurate control to single ejection of compact volume and ejection of compact frequency.

The discharging rail 114 is connected with a through hole at the lower part of the box body 111 and connected with a blanking hopper 113 below, and a vibration unit is arranged on the discharging rail 114 and used for controlling the discharging amount and frequency of single vibration and the start and end of vibration discharging.

Specifically, the single discharge amount and the discharge speed of the vibrator body are controlled by setting the vibration frequency, the vibration amplitude and the like of the vibration controller. The vibrator body is arranged in the bin of the box body, the vibration controllers are arranged on the bin 112 and the discharging track 114, and the vibration controllers are arranged at a plurality of positions; the lower portion of the vibration mechanism is communicated with the discharging rail 114, the discharging rail 114 is provided with a vibration controller, the frequency of the vibration controller is automatically adjusted by an equipment control system according to weight measurement feedback data, quantitative discharging of the powdery resin material in the discharging rail 114 is accurately controlled, meanwhile, the discharging rail 114 provides a certain buffer memory, when the three-axis movement leaves or returns from the standby material box, the vibrator of the discharging rail 114 is automatically closed, the discharging port of the discharging rail 114 is closed, and powdery resin is prevented from scattering to other areas of the equipment. Meanwhile, the discharge rail 114 is contained in the box body 111, and the whole box body 111 is always in a constant-temperature and constant-humidity environment through a temperature and humidity control device.

Further, the amount and speed of vibration of the vibration controller is controlled by setting the frequency of the vibration controller. The vibration controllers at different positions respectively control the discharge of the storage bin 112 and the discharge of the discharge rail 114. The resin in the vibrator body on the feed bin 112 comes out according to certain frequency vibration with the feed bin 112, get into ejection of compact track 114, it weighs in real time to get into weighing unit 20 behind blanking hopper 113, and with data feedback to control system, the frequency of vibration control ware on the equipment control system adjustment ejection of compact track, and then control single vibration discharge amount and speed, realize the discharge amount of powder resin on the accurate control track, the ejection of compact begins and the ejection of compact is ended, the powder resin that comes out on ejection of compact track 114 falls into the blanking hopper.

It should be specifically emphasized that the vibration discharging mechanism can set multi-position multi-band frequency based on the existing vibrator technology to realize accurate quantification and speed control, and only the realizable manner is written herein, which is not described herein in detail.

In addition, the vibration controller is added to the vibrator body, specifically, the vibrator body vibrates, and the vibration controller controls the vibration frequency (speed) and the vibration amount of the vibrator through the set frequency. On box and ejection of compact track, set up different vibration controller in many places, realize the control to the load size, load speed to accurate control load and the time of opening and shutting. The vibrator body and the vibration controller can be installed in the storage bin 112 by adopting the prior art, the specific installation position can be changed according to specific conditions, and the vibration controller can be installed on the storage bin 112 and the discharge rail 114 by paying attention to the fact that the vibrator body is installed.

In a possible implementation manner, the vibrating mechanism may adopt a motor and a transmission shaft to drive an eccentric bearing, an eccentric wheel or a sector wheel to rotate, so as to vibrate the vibrating and discharging unit as a whole, the lower portion of the vibrating mechanism is communicated with the discharging rail 114, the powdered resin material is quantitatively discharged in the discharging rail 114, and the discharging rail 114 provides a certain buffer, so that the discharging amount is easily controlled, thereby ensuring that the discharging amount is within a preset range.

The bottom through hole of box 111 is used for to the unloading of weighing component, and it should be pointed out that, concrete unloading mode, the size of through hole do not do the restriction, can stretch out the tubular structure for passing through the through hole, make it and weighing component 20 distance closer, convenient more accurate control blanking.

In one embodiment, the vibration feeding portion 11 further includes a discharging hopper 113, the discharging hopper 113 is disposed inside the box 111 and located at the lower portion of the side of the storage bin 112, the top of the discharging hopper 113 is communicated with the storage bin 112, and the bottom of the discharging hopper 113 is a discharging hole.

In this embodiment, the blanking hopper 113 is arranged below the side of the vibration discharging unit, the vibration discharging unit arranged on the side can avoid too fast blanking or too large blanking amount due to gravity, and is not easy to control, and the communication mode of the blanking hopper 113 and the storage bin 112 is not limited, and the blanking hopper 113 and the storage bin 112 can be in butt joint or not in contact with each other, and only needs to ensure that the two can be communicated with each other and can blank downwards.

In one specific embodiment, the device further comprises a temperature and humidity control device, and the temperature and humidity control device is communicated with the internal environment of the storage bin.

In this embodiment, the temperature and humidity in the box 111 can be better monitored and adjusted by installing the temperature and humidity control device, so that the temperature and humidity control device is ensured not to influence the powdered resin, preferably, the temperature and humidity control device is installed outside the box 111 and is communicated to the internal environment of the box 111 through a pipeline, the temperature and humidity control device is easy to install, replace or maintain by an operator in the field in this way, the space is saved, and compared with a way of being embedded in the box 111, the volume of the box 111 and the layout and visit of equipment in the box 111 are more conveniently controlled, the cost is reasonably reduced, and the resource waste is avoided.

Preferably, the temperature and humidity control device is an air cooler, and a temperature and humidity sensor matched with the air cooler is installed in the box body 111.

As shown in the figure, in one embodiment, the lower portion of the blanking hopper 113 extends downward out of the box 111 through a through hole at the bottom of the box 111, and the discharge port is located outside the box 111.

The lower part of the blanking hopper 113 extends out of the box body 111 through the through hole, the specific length is not limited, and the length of the extending part of the blanking hopper 113 can be automatically adjusted by an operator in the field according to the height of the weighing component 20.

In one embodiment, the discharging rail 114 is fixedly arranged at the bottom of the vibration discharging device 112, the discharging rail 114 is transversely arranged, a plurality of vibration controllers are arranged at different positions on the discharging rail, and the precise control of the single discharging amount and the discharging speed is realized through the setting of the frequency of the vibration controllers. The blanking hopper 113 is arranged below one end of the discharging rail 114 far away from the vibration discharging device 112, and the blanking hopper 113 is communicated with the discharging rail 114.

In this embodiment, the discharging rail 114 is used for connecting the bottom of the vibrating discharging unit and the top of the discharging hopper 113, the discharging rail 114 is horizontally disposed and has a power door for opening and closing the discharging rail, and the discharging rail 114 may also be disposed at an inclined angle, specifically not more than 30 °.

In one embodiment, a discharging rail 114 is fixedly arranged at the bottom of the storage bin 112, the discharging rail 114 is transversely arranged, the blanking hopper 113 is arranged below one end of the discharging rail 114 far away from the vibration discharging unit, and the blanking hopper 113 is communicated with the discharging rail 114.

In one embodiment, the three-axis driving device 12 includes two guide rails 121 disposed in parallel and spaced apart in the transverse direction, a longitudinal beam rail 122 matching with the two guide rails 121 and moving along the direction of the guide rails 121, and a vertical lifting bracket 123 moving along the direction of the longitudinal beam rail 122, wherein the vertical lifting bracket 123 is fixedly connected to the box 111.

As shown in fig. 3, in one embodiment, the weighing assembly 20 includes a frame 25, a weight measuring device 23, a positioning plate 22, a lifting platform 24 and a material guiding chute plate 21, the weight measuring device 23 is disposed at the bottom of the front end of the frame 25, the positioning plate 22 is mounted at the top of the front end, a vertical rod is vertically disposed in the middle of the frame 25, the lifting platform 24 is disposed on the vertical rod and slidably connected to the frame 25, and the material guiding chute plate 21 is fixed on the lifting platform 24.

In this embodiment, one end of the lifting platform 24 is slidably connected to the frame 25 and can move up and down, the other end of the lifting platform is connected to the positioning plate 22, the sliding unit of the frame 25 drives the lifting platform 24 to move up and down for positioning the workpiece and moving the positioned workpiece down to the weighing unit, and after the workpiece is moved and placed on the weighing unit, the weighing is performed with a zero-returning process, and the weighing is performed during the blanking process.

In one embodiment, the device further comprises an air exhaust device and a main control module, the air exhaust device is disposed on the box 111, the main control module is electrically connected to the storage bin 112, the air exhaust device and the weight measuring device 23, respectively, a display panel is disposed at the front end of the weight measuring device 23, one end of the material guide chute plate 21 close to the rack 25 is a linear structure, and one end of the material guide chute plate far from the rack 25 is a circular structure.

In one embodiment, the device further comprises a standby material box 30 and a dust collecting mechanism, wherein the standby material box 30 is positioned beside the weighing component and is positioned below the feeding part together with the weighing component; the dust collecting mechanism is arranged at the side of the standby material box 30 and is used for sucking and discharging resin dust falling around the weighing component.

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. A powdery resin supply device is suitable for compression molding of powdery resin and is characterized by comprising a powdery resin supply mechanism and a weighing assembly;

the powder resin supply mechanism is arranged above the weighing assembly and comprises a vibration feeding part and a three-axis driving device;

the vibration feeding part is arranged on the three-axis driving device, and the lower part of the vibration feeding part is provided with a discharge hole;

the three-axis driving device can drive the vibration feeding part to reciprocate in three mutually vertical directions, and has a preset movement range;

the weighing assembly is arranged at the position below the preset moving range of the three-axis driving device.

2. The powdery resin feeding device according to claim 1, wherein the vibration feeding portion comprises a box body, a hopper, a discharge rail, and a vibrator body;

the box body is fixedly arranged on the three-axis driving device, an openable feeding opening is formed in the top or the side wall of the box body, and a through hole is formed in the bottom of the box body and used for blanking;

the bin is arranged in the box body, and the top of the bin is communicated to the openable feeding port;

the discharge rail is arranged at the bottom of the storage bin and is communicated with the storage bin;

the vibrator body is installed on the feed bin for vibration unloading.

3. The powdery resin supplying apparatus according to claim 2, wherein the vibration supplying portion further comprises a blanking hopper;

the blanking hopper is arranged in the box body and is positioned at the lower part of the side of the discharging track, the top of the blanking hopper is communicated with the discharging track, and the bottom of the blanking hopper is the discharging port.

4. The powdery resin supply device according to claim 3, further comprising a temperature and humidity control device that communicates with an internal environment of the hopper.

5. The powder resin supply device according to any one of claims 3 and 4, wherein the lower part of the blanking hopper extends downward out of the box body through a through hole at the bottom of the box body, and the discharge port is located outside the box body.

6. The powder resin supply device according to any one of claims 3 and 4, further comprising a plurality of vibration controllers respectively disposed on the bin and the discharge rail, wherein the vibrator body and the vibration controllers cooperate to control the entire blanking amount of the vibration feeding part;

the discharging rail is transversely arranged;

the blanking hopper is arranged below one end, far away from the vibration discharging unit, of the discharging rail.

7. The powder resin supply device according to any one of claims 2 to 4, wherein the three-axis driving device comprises two guide rails arranged in parallel and transversely at intervals, a longitudinal beam rail matched with the two guide rails and moving along the direction of the guide rails, and a vertical lifting bracket moving along the direction of the longitudinal beam rail, and the vertical lifting bracket is fixedly connected with the box body.

8. The powdery resin supply device according to any one of claims 2 to 4, wherein the weighing assembly comprises a frame, a weight scale, a positioning plate, a lifting table, and a chute plate;

the bottom of the front end of the rack is provided with a weight measuring device, the top of the front end is provided with a positioning plate, and the middle part of the rack is vertically provided with a vertical rod;

the lifting platform is arranged on the upright rod and is connected with the rack in a sliding manner;

the material guide groove plate is fixed on the lifting platform.

9. The powdery resin supply device according to claim 8, further comprising an air exhaust device and a main control module;

the air exhaust device is arranged on the box body;

the main control module is respectively and electrically connected with the stock bin, the exhaust device and the weight measuring device, and a display panel is arranged at the front end of the weight measuring device;

one end of the material guide groove plate close to the rack is of a linear structure, and one end of the material guide groove plate far away from the rack is of a circular structure.

10. The powdery resin supply device according to any one of claims 1 to 4, further comprising a standby magazine;

the standby material box is positioned beside the weighing component and is positioned below the feeding part together with the weighing component;

the dust collecting mechanism is arranged beside the standby material box and used for sucking and discharging resin dust falling around the weighing component.

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