CN217729477U

CN217729477U - Silica gel rapid prototyping equipment

Info

Publication number: CN217729477U
Application number: CN202221052975.5U
Authority: CN
Inventors: 王烨; 朱朋飞; 王泉懿; 程子译
Original assignee: Wuxi Julisheng Technology Co ltd
Current assignee: Wuxi Julisheng Technology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-11-04
Anticipated expiration: 2032-05-05

Abstract

The invention provides silica gel rapid forming equipment which comprises a case, wherein a gel injection bin and a heating bin are arranged in the case; a glue injection device and a mold closing device for fixing a mold are arranged in the glue injection bin, the mold closing device is fixed at the bottom of the glue injection bin, and the glue injection device is erected right above the mold closing device; be equipped with heating device and thermal-insulated cotton in the heated warehouses, the laminating is equipped with on the heated warehouses inside wall thermal-insulated cotton and inside are equipped with heating device. The silica gel rapid forming equipment provided by the invention integrates the functions of mixing, molding and curing of silica gel, is simple and convenient to operate, and can expand the use scene of liquid silica gel to places such as small offices, clinics, laboratories and the like.

Description

Silica gel rapid prototyping equipment

Technical Field

The invention relates to the field of mechanical equipment, in particular to portable silica gel rapid forming equipment.

Background

Silica gel is a class of thermoset materials with good properties. And can be classified into solid silica gel and liquid silica gel according to the state of the material. Solid silica gel, which is solid at normal temperature. The liquid silica gel is liquid at normal temperature, has viscosity of 3000-200 ten thousand mpa.s, and belongs to non-Newtonian fluid. Solid silica gel processing, designing, mixing and other manual processes. Since the liquid silica gel can be prepared by an automatic high-injection molding process, the liquid silica gel has the advantages of safe material, high purity, high temperature and low temperature resistance, corrosion resistance and good biocompatibility, the liquid silica gel is gradually popular in recent years. Liquid silica gel injection molding technology is used for various high-end medical appliances, electronic products and the like.

Liquid silica gels are generally divided into two components, a and B. Wherein the component B contains a catalyst. When the A and B components are mixed, the vinyl siloxane in the silica gel and the hydrogen-containing siloxane are crosslinked and molded under the action of a platinum catalyst. Therefore, the forming process of the liquid silica gel relates to 3 stages of A/B glue mixing, mold injection molding, heating, curing and forming and the like. The process needs to use an injection molding machine, glue filling equipment and glue dispensing equipment large-scale equipment. Expensive and requires factory floor and professional operators. Thereby limiting the use scenarios of liquid silicone gel.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the silica gel rapid forming equipment, which integrates the functions of mixing, molding and curing of silica gel, is simple and convenient to operate, and can expand the use scene of liquid silica gel to places such as small offices, clinics, laboratories and the like.

The technical scheme of the invention is realized as follows:

a silica gel rapid prototyping device comprises a case, wherein a glue injection bin and a heating bin are arranged in the case; a glue injection device and a mold closing device for fixing a mold are arranged in the glue injection bin, the mold closing device is fixed at the bottom of the glue injection bin, and the glue injection device is erected right above the mold closing device; be equipped with heating device and thermal-insulated cotton in the heated warehouses, the laminating is equipped with on the heated warehouses inside wall thermal-insulated cotton and inside are equipped with heating device.

Furthermore, the glue injection device comprises a pushing assembly for injecting raw materials, at least two raw material grooves, a mixing pipeline and a glue injection head, the raw material grooves are fixed on the side wall of the glue injection bin, the pushing assembly extends into the raw material grooves, the bottom ends of the raw material grooves are connected with the upper end of the mixing pipeline, the glue injection head is detachably connected to the other end of the mixing pipeline, and the glue injection head is arranged on the upper side of the mold closing device.

Further, the propelling movement subassembly include slide, lift lead screw, slider and with the stripper plate that raw material groove quantity is the same, the vertical setting of slide, the lift lead screw is fixed the slide middle part, the slider wears to establish on the lift lead screw, the stripper plate setting in raw material groove and upper end with the slider links to each other.

Furthermore, the glue injection head is of a telescopic structure.

Further, a static mixing valve is arranged between the mixing pipeline and the glue injection head and communicated with the mixing pipeline and the glue injection head.

Further, the heating device comprises a heating resistance wire and a temperature sensor, and the heating resistance wire and the temperature sensor are fixedly arranged between the side wall of the heating bin and the heat insulation cotton.

Furthermore, the mold closing device comprises at least two positioning plates and a clamping assembly, and the clamping assembly is oppositely arranged on the outer sides of the positioning plates.

Preferably, a control panel is further arranged on the case, and the control panel is electrically connected with the glue injection device and the heating device.

Preferably, the height h of the case ranges from 150cm to 250cm.

Compared with the prior art, the invention has the following advantages.

According to the invention, the glue injection bin and the heating bin are arranged in the case at the same time, the glue injection device, the mold closing device and the heating device are respectively arranged in the glue injection bin and the heating bin, the glue injection device realizes mixing and injection of glue A and glue B, the mold closing device ensures stability of a mold, and the heating device and the heat insulation cotton in the heating bin realize solidification of silica gel under the condition of ensuring safety.

Drawings

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

FIG. 1 is a front view of the present invention;

FIG. 2 is an internal structural view of FIG. 1;

FIG. 3 is another schematic view of the present invention;

FIG. 4 is an internal structural view of FIG. 3;

the attached drawings are as follows: 10. a chassis; 11. a control panel; 12. injecting a glue bin; 13. heating a bin; 21. a push assembly; 211. a slideway; 212. a lifting screw rod; 213. a slider; 214. a pressing plate; 22. a raw material tank; 23. a mixing duct; 24. a glue injection head; 31. positioning a plate; 32. a clamping assembly; 41. heat insulation cotton; 42. heating the resistance wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the embodiment of the invention discloses a silica gel rapid prototyping device, which comprises a case 10, wherein a gel injection bin 12 and a heating bin 13 are arranged in the case 10; the glue injection bin 12 and the heating bin 13 are not communicated with each other, a cabinet door is arranged on the case at the projection position corresponding to the glue injection bin 12 and the heating bin 13, a glue injection device and a mold closing device for fixing a mold are arranged in the glue injection bin 12, the mold closing device is fixed at the bottom of the glue injection bin 12, and the glue injection device is erected right above the mold closing device; be equipped with heating device and thermal-insulated cotton 41 in the heated warehouses 13, the laminating is equipped with thermal-insulated cotton 41 and inside heating device that is equipped with on the 13 inside walls of heated warehouses. The injecting glue device has covered the function that mixed A, B glue and silica gel were annotated the type, and mold closing device can the centre gripping product mould, prevents to leak and glues, and heating device realizes the heating solidification, and the required function of silica gel shaping has been integrated to a quick-witted case, very big increase this equipment portability. In a preferred embodiment, the mold clamping device includes at least two positioning plates 31 and a clamping assembly 32, the clamping assembly 32 is disposed at an outer side of the positioning plates 31, and the clamping assembly 32 can adopt a manual or electric scheme to clamp the product mold between the two positioning plates 31 from two directions.

Further, the injecting glue device is including the propelling movement subassembly 21, two at least raw material groove 22, hybrid pipeline 23 and the injecting glue head 24 that are used for pouring into the raw materials into, and raw material groove 22 is fixed in the lateral wall of injecting glue storehouse 12 side, and during propelling movement subassembly 21 stretched into raw material groove 22, raw material groove 22 bottom linked to each other with hybrid pipeline 23 upper end, and injecting glue head 24 detachable connects in the hybrid pipeline 23 other end, and injecting glue head 24 erects at the closing device upside. The pushing assembly 21 can push out the a and B glue in the raw material tank 22 uniformly and synchronously, so that the liquid silica gel for injection molding is formed in the mixing pipeline 23.

In a preferred embodiment of the present invention, the pushing assembly 21 includes a slide 211, a lifting screw 212, a sliding block 213, and extrusion plates 214 with the same number as the raw material tanks 22, the slide 211 is vertically disposed, the lifting screw 212 is fixed in the middle of the slide 211, the sliding block 213 is disposed on the lifting screw 212 in a penetrating manner, and the extrusion plates 214 are disposed in the raw material tanks 22 and the upper ends thereof are connected to the sliding block 213. One end of the lifting screw rod 212 is connected with a motor, the lifting screw rod 212 is driven to rotate by the motor, so that the sliding block 213 moves up and down along the vertical direction, the extrusion plate 214 in the raw material groove 22 moves down, 10-500N thrust is synchronously generated on the glue A and the glue B at two sides, the glue A and the glue B are uniformly extruded into the mixing pipeline 23, and the mixed liquid silica gel is injected into a product mold on the mold closing device through the glue injection head 24. Another preferred embodiment is different from the above-mentioned embodiment in that the pushing unit 21 is composed of only the elevating screw 212, the slider 213, and the same number of pressing plates 214 as the raw material tanks 22, and the pressing plates 214 move up and down along the raw material tanks 22 to press them.

In the preferred embodiment, the glue injection head 24 is a telescopic structure, and the glue injection head 24 is a multi-section telescopic structure and is connected by threads, so as to prevent glue leakage.

Wherein, the preferred embodiment, be equipped with static mixing valve between mixing pipe 23 and the injecting glue head 24, static mixing valve intercommunication mixing pipe 23 and injecting glue head 24, static mixing valve can make the inside liquid material that passes through fully break up, is favorable to liquid silica gel's rapid mixing.

Specifically, the heating device comprises a heating resistance wire 42 and a temperature sensor, the heating resistance wire 42 and the temperature sensor are fixedly arranged at the bottom of the heating bin 13, the heating resistance wire 42 and the temperature sensor are matched with the heat insulation cotton 41 attached to the inside of the heating bin 13 to accurately control the temperature inside the heating bin 13 to be between 80 and 160 ℃, and heating efficiency and equipment safety are guaranteed.

In a preferred embodiment, the casing 10 is further provided with a control panel, and the control panel is electrically connected to the glue injection device and the heating device. The control panel can realize the adjustment of glue injection speed, glue injection amount, glue injection time, heating temperature and heating time.

In a preferred embodiment, the height h of the case 10 is in the range of 150cm to 250cm, so that the invention has the characteristics of small volume and multi-scene application, and can realize injection molding and curing of silica gel in various occasions.

The invention has the beneficial effects that:

1. different from the prior industrial-grade large-scale injection molding equipment and glue pouring equipment, the device occupies a small area and belongs to a desktop product.

2. The equipment integrates two functions of silica gel rapid injection and heating solidification, and can use one equipment to complete the silica gel injection process.

3. The miniaturized machine case integrates multiple functions, and is suitable for multiple application scenes, such as clinics, hospitals, offices, design studios, families and the like.

4. The method can be widely used for the rapid forming of small soft silica gel products, such as silica gel nipples, toy models, hand plates of industrial silica gel parts, silica gel medical instruments and the like.

5. The mold clamping device supports various molds such as small aluminum molds, steel molds, and the like.

6. The effect of simple operation is realized through the control panel, and the non-professional person can use the device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a silica gel rapid prototyping equipment which characterized in that: the glue injection machine comprises a machine case (10), wherein a glue injection bin (12) and a heating bin (13) are arranged in the machine case (10);

a glue injection device and a mold closing device for fixing a mold are arranged in the glue injection bin (12), the mold closing device is fixed at the bottom of the glue injection bin (12), and the glue injection device is erected right above the mold closing device;

be equipped with heating device and thermal-insulated cotton (41) in heated warehouses (13), the laminating is equipped with on heated warehouses (13) inside wall thermal-insulated cotton (41) and inside are equipped with heating device.

2. The silica gel rapid prototyping apparatus of claim 1 wherein: the glue injection device comprises a pushing assembly (21) for injecting raw materials, at least two raw material grooves (22), a mixing pipeline (23) and a glue injection head (24), wherein the raw material grooves (22) are fixed on the side wall of the glue injection bin (12), the pushing assembly (21) extends into the raw material grooves (22), the bottom end of each raw material groove (22) is connected with the upper end of the mixing pipeline (23), the glue injection head (24) is detachably connected to the other end of the mixing pipeline (23), and the glue injection head (24) is erected on the upper side of the mold closing device.

3. The silica gel rapid prototyping apparatus of claim 2 wherein: propelling movement subassembly (21) include slide (211), lift lead screw (212), slider (213) and with stripper plate (214) that raw material groove (22) quantity is the same, the vertical setting of slide (211), lift lead screw (212) are fixed slide (211) middle part, slider (213) are worn to establish on lift lead screw (212), stripper plate (214) set up in raw material groove (22) and the upper end with slider (213) link to each other.

4. The silica gel rapid prototyping apparatus of claim 2 or 3, wherein: the glue injection head (24) is of a telescopic structure.

5. The silica gel rapid prototyping apparatus of claim 4 wherein: and a static mixing valve is arranged between the mixing pipeline (23) and the glue injection head (24), and the static mixing valve is communicated with the mixing pipeline (23) and the glue injection head (24).

6. The silica gel rapid prototyping apparatus of claim 5, wherein: the heating device comprises a heating resistance wire (42) and a temperature sensor, wherein the heating resistance wire (42) and the temperature sensor are fixedly arranged between the side wall of the heating bin (13) and the heat insulation cotton (41).

7. The silica gel rapid prototyping apparatus of claim 5 wherein: the mold closing device comprises at least two positioning plates (31) and clamping assemblies (32), wherein the clamping assemblies (32) are oppositely arranged on the outer sides of the positioning plates (31).

8. The silica gel rapid prototyping apparatus of claim 5 wherein: the machine box (10) is further provided with a control panel (11), and the control panel (11) is electrically connected with the glue injection device and the heating device.

9. The silica gel rapid prototyping apparatus of claim 5 wherein: the height h of the case (10) ranges from 150cm to 250cm.