CN103231498B - Liquid-ring type syringe heater and capsule making system thereof and using method - Google Patents

Abstract

The invention relates to a heating device for a water ring syringe and its capsule preparation system and usage method. Circulating heat conduction between the water ring vacuum pumps; the heat preservation water pipe is set on the syringe through the water inlet and water outlet and the hot water ring vacuum pump; the heat preservation water pipe is set as a single guide through the water inlet and water outlet; by adopting the above water ring type syringe heating device The capsule preparation system and its use method can solve the problems of high energy consumption, long heat transfer time, long heating time, high cost and difficult uniform heating by directly adding hot water, so as to avoid the soft capsule equipment in the final pill forming. In the process of rubber bonding, there are cracks and leakage problems, to overcome the defects of different sizes and shapes of the capsules, to improve the qualified rate of finished products of the soft capsule machine, and to improve the output, quality and economic benefits of the enterprise.

Description

Water ring syringe heating device, capsule preparation system and usage method thereof

technical field

The invention belongs to the technical field of heating injection molding models, and relates to a water ring injector, in particular to a water ring injector heating device for pharmaceutical or food equipment, a capsule preparation system and a usage method thereof.

Background technique

At present, the heating method of the syringe of the soft capsule equipment is generally heated by an electric heating tube, but the electric heating tube has the problems of large electric power and high energy consumption, and users often report that the electric heating tube cannot evenly heat the entire syringe, such as the electric heating tube When the length exceeds 250mm, the copper wire winding method and production process in the heating tube cannot make the heating of the entire heating tube cross-sectional direction uniform, resulting in the maximum temperature difference between the two ends of the cylinder sometimes reaching 4-5 ° C, which is easy to cause softness. When the capsule equipment is finally pressed into pills, there are cracks and leakage problems in the rubber bonding process, which leads to the different sizes and shapes of the capsules, which seriously affects the qualified rate of finished products of the soft capsule machine, and ultimately affects the output, quality and enterprise. economic benefits.

The patent number is "200410026464.6", the authorized announcement number is "CN1559778A", and the Chinese invention patent application titled "Injection capsule mold and method for producing capsules therefrom" discloses an injection capsule mold, including an upper mold and a lower mold The core mold and the upper mold are connected with the lower mold through guide pins. On the upper mold, injection nozzles are installed. On the upper mold and the lower mold, heating devices are respectively installed. The heating device is circulated by the hot oil installed on the mold body. The flow channel, the oil inlet and the oil outlet are composed of an upper and lower top cover and a lower top cover respectively, and the upper and lower top covers are respectively fixedly connected to the mandrel, and the lower end of the lower top cover extends to In the slideway of the lower mold body. Although the capsule mold and its use method can overcome the product defects caused by backward technology of the capsules vulcanized by the flat vulcanizing machine in the prior art, and can guarantee the quality of capsule products to a certain extent, but because it uses hot oil The way of heating, so it has the problem of long heat transfer time, which leads to long heating time and high energy consumption, and also has the defects of high cost and difficult to uniform heating.

Generally speaking, the heating method of the existing soft capsule equipment syringe generally adopts electric heating tube heating or hot oil heating, which mostly has the problems of large energy consumption, long heat transfer time, long heating time, high cost and difficult to uniform heating , which will easily lead to cracks and leakage problems in the rubber bonding process of the soft capsule equipment when the final pill is formed, resulting in different sizes and shapes of the capsules, which seriously affects the finished product qualification rate of the soft capsule machine, and ultimately affects Yield, quality and economic efficiency of the enterprise.

Contents of the invention

The purpose of the present invention is to provide a water ring syringe heating device and its capsule preparation system and usage method to solve the common problems of large energy consumption, long heat transfer time, and heating time in the existing soft capsule equipment syringe heating methods. long, high cost, and difficult to uniform heating, so as to avoid the problems of cracks and leakage in the rubber bonding process of the soft capsule equipment when the final pilling is formed, and overcome the defects of different sizes and shapes of the capsules, thereby improving the quality of the soft capsule. The pass rate of the finished product of the pill machine will ultimately improve the output, quality and economic benefits of the enterprise.

In order to achieve the above object, the first aspect of the present invention provides a water ring syringe heating device, which includes an insulated water pipe, and the heating pipe forms a closed vacuum inner chamber inside the syringe through a hot water ring vacuum pump, so that hot water can flow in the syringe Heat conduction circulates between the interior and the hot water ring vacuum pump.

The closed vacuum inner chamber of this water ring syringe heating device can be embodied by means of various means in the prior art, for example, by setting a through hole on the syringe to place a heating tube or arranging a heating tube to close the channel, etc., but preferably What is more, the heat preservation water pipe is arranged on the injector through the water inlet and the water outlet and through the hot water ring vacuum pump.

In any of the above schemes, it is preferred that the thermal insulation pipe is set as a single guide through the water inlet and the water outlet.

Another object of the present invention is to provide a capsule preparation system to solve the common problems of large energy consumption, long heat transfer time, long heating time, high cost and difficulty in uniform heating in the existing soft capsule equipment. , so as to avoid the problems of cracks and leakage in the rubber bonding process of the soft capsule equipment during the final pill forming, and overcome the defects of different sizes and shapes of the capsules, thereby improving the qualified rate of finished products of the soft capsule machine, and finally increasing the output , quality and economic benefits of the enterprise.

To achieve the above object, the second aspect of the present invention relates to a capsule preparation system using the above-mentioned water ring syringe heating device.

As for the capsule preparation system described above, preferably, the capsule preparation system further includes a mold and an injector disposed on the mold.

In any of the above schemes, preferably, the capsule preparation system further includes a gelatin delivery device.

In any of the above schemes, preferably, the mold includes an upper mold, a lower mold and a core mold, and the upper mold and the lower mold are matched and connected.

In any of the above schemes, preferably, the upper mold and the lower mold are connected by pins.

In any of the above schemes, preferably, the upper mold is provided with an injection nozzle.

In any of the above solutions, it is preferred that an upper cover is fixedly provided on the mandrel.

In any of the above solutions, preferably, a lower cover is fixed under the mandrel.

In any of the above schemes, preferably, the capsule preparation system further includes a vacuum device.

In any of the above schemes, it is preferred that the vacuum device is provided with exhaust grooves.

In any of the above schemes, it is preferred that a sealing device is provided on the vacuum pumping device.

In any of the above solutions, it is preferred that the sealing device is a sealing ring arranged on the joint surface between the upper mold and the lower mold.

In any of the above schemes, preferably, the capsule preparation system further includes a high-pressure demoulding device.

In any of the above schemes, it is preferred that the high-pressure demoulding device includes an air cap, a high-pressure blowing port and an air channel.

In any of the above solutions, it is preferred that the air cover is arranged on the upper cover of the mandrel.

In any of the above schemes, preferably, the high-pressure air blowing port is arranged on the lower cover of the mandrel.

In any of the above schemes, preferably, the air channel is arranged between the air cap and the high-pressure blowing port.

In any of the above solutions, preferably, a positioning block is provided at the end of the lower cover of the mandrel.

Another aspect of the present invention relates to a method for using a capsule preparation system, comprising the following steps:

Mold installation steps: After assembling and installing the mold, connect the water inlet and outlet of the water ring syringe heating device;

Mold closing injection step: turn on the water ring injector heating device to heat the mold;

Pressure holding and heat preservation vulcanization step: hot water continues to circulate;

Demoulding step: stop the hot water circulation, open the upper mold and the lower mold, and take out the capsule product.

The method for using the capsule preparation system as described above, preferably,

In the mold installation step, after connecting the water inlet and outlet of the water ring syringe heating device, connect the vacuum device;

In the mold closing injection step, after heating the mold, vacuum exhaust;

In the pressure-holding and heat-preservation vulcanization step, when the hot water continues to circulate, stop vacuuming and exhaust for 4 minutes;

In the demoulding step, after opening the upper mold and the lower mold, high-pressure gas is charged through the high-pressure demoulding device, so that the capsule product is automatically ejected.

Compared with the prior art, the present invention has the following advantages:

The present invention provides a heating device for a water ring syringe, which includes an insulated water pipe, and the heating pipe forms a closed vacuum inner chamber inside the syringe through a hot water ring vacuum pump, so that hot water can flow between the inside of the syringe and the hot water ring vacuum pump. Circulating heat conduction; the heat preservation water pipe is set on the injector through the water inlet and the water outlet through the hot water ring vacuum pump; the heat preservation water pipe is set as a single guide through the water inlet and the water outlet; The capsule preparation system of the heating device and its use method can directly add hot water to solve the ubiquitous problems of large energy consumption, long heat transfer time, long heating time, high cost and difficulty in uniform heating in the existing soft capsule equipment. In order to avoid the problem of cracks and leakage in the process of rubber bonding when the soft capsule equipment is finally pressed into pills, it can overcome the defects of different sizes and shapes of the capsules, thereby improving the qualified rate of finished products of the soft capsule machine, and finally Improve the output, quality and economic benefits of the enterprise; at the same time, the capsule preparation system and its use method using the water ring syringe heating device can effectively avoid corrosion, and through the continuous circulation of hot water, the heating is stable and the constant temperature of the mold is guaranteed state; and it can also make the operation easy, and at the same time exhaust in time, avoid glue shortage, and improve the quality of capsule products; in addition, by adopting high-pressure demoulding method, the work intensity can be reduced, the manual demoulding can be avoided from damaging the mold surface, and the production process can be reduced. cost, improve production efficiency, yield and production safety.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment:

Fig. 1 is a schematic structural view of a syringe heating device in the prior art;

Fig. 2 is a schematic structural diagram of a capsule preparation system using the water ring syringe heating device of the present invention.

In the figure, 1 is a mould, 2 is gelatin, 3 is a syringe, 4 is a heating pipe, 5 is a water insulation pipe, 6 is a water inlet, 7 is a water outlet, and 8 is a hot water ring vacuum pump.

detailed description

In order to better understand the present invention, the present invention is described in detail below in conjunction with specific examples. It will, however, be evident that various changes and modifications can be made to the present invention without departing from the broader spirit and scope of the invention as defined in the appended claims. Therefore, the following examples have an illustrative rather than a limiting meaning.

Example 1:

The water ring syringe heating device includes the heat preservation water pipe 5, and the heating pipe forms a closed vacuum inner chamber inside the syringe through the hot water ring vacuum pump 8, so that hot water can circulate and conduct heat between the inside of the syringe and the hot water ring vacuum pump 8.

Example 2:

As shown in FIG. 2 , the water ring syringe heating device is the same as that in Embodiment 1, except that the heat preservation water pipe 5 is set on the syringe through the water inlet 6 and the water outlet 7 and through the hot water ring vacuum pump 8 .

Example 3:

The water ring injector heating device is the same as that in Embodiment 2, except that the heat preservation water pipe 5 is set as a single guide through the water inlet 6 and the water outlet 7 .

Example 4:

Capsule preparation system employing a water ring syringe heating unit as described above.

Example 5:

The capsule preparation system is the same as that in Embodiment 4, except that the capsule preparation system also includes a mold and an injector arranged on the mold.

Embodiment 6:

The capsule preparation system is the same as that in Example 5, except that the capsule preparation system further includes a gelatin delivery device.

Embodiment 7:

The capsule preparation system is the same as that in Embodiment 6, except that the mold includes an upper mold, a lower mold and a core mold, and the upper mold and the lower mold are mated and connected.

Embodiment 8:

The capsule preparation system is the same as that in Embodiment 7, except that the upper mold and the lower mold are connected by pins.

Embodiment 9:

The capsule preparation system is the same as in Example 8, except that the upper mold is provided with an injection nozzle.

Example 10:

The capsule preparation system is the same as that in Embodiment 9, except that the mandrel is fixedly provided with an upper cover.

Example 11:

The capsule preparation system is the same as that in Example 10, except that the mandrel is fixedly provided with a lower cover.

Example 12:

The capsule preparation system is the same as that in Example 11, except that the capsule preparation system further includes a vacuum pumping device.

Example 13:

The capsule preparation system is the same as that in Embodiment 12, except that the vacuum device is provided with exhaust grooves.

Example 14:

The capsule preparation system is the same as that in Embodiment 13, except that the vacuum pumping device is provided with a sealing device.

Example 15:

The capsule preparation system is the same as that in Example 14, except that the sealing device is a sealing ring arranged on the joint surface between the upper mold and the lower mold.

Example 16:

The capsule preparation system is the same as that in Example 15, except that the capsule preparation system also includes a high-pressure demoulding device.

Example 17:

The capsule preparation system is the same as that in Example 16, except that the high-pressure demoulding device includes an air cover, a high-pressure blowing port and an air channel.

Example 18:

The capsule preparation system is the same as that in Example 17, except that the air cap is arranged on the upper cover of the mandrel.

Example 19:

The capsule preparation system is the same as in Example 18, except that the high-pressure blowing port is arranged on the lower cover of the mandrel.

Example 20:

The capsule preparation system is the same as in Example 19, except that the air channel is arranged between the air cap and the high-pressure air blowing port.

Example 21:

The capsule preparation system is the same as that in Embodiment 20, except that a positioning block is provided at the end of the lower cover of the mandrel.

Example 22:

The method for using the capsule preparation system as described above comprises the following steps:

Mold installation steps: After assembling and installing the mold, connect the water inlet 6 and water outlet 7 of the water ring syringe heating device;

Mold closing injection step: turn on the water ring injector heating device to heat the mold;

Pressure holding and heat preservation vulcanization step: hot water continues to circulate;

Demoulding step: stop the hot water circulation, open the upper mold and the lower mold, and take out the capsule product.

Example 23:

The method of using the capsule preparation system is the same as in Example 22, the difference is that

In the mold installation step, after connecting the water inlet 6 and the water outlet 7 of the water ring syringe heating device, connect the vacuum device;

In the mold closing injection step, after heating the mold, vacuum exhaust;

In the pressure-holding and heat-preservation vulcanization step, when the hot water continues to circulate, stop vacuuming and exhaust for 4 minutes;

In the demoulding step, after opening the upper mold and the lower mold, high-pressure gas is charged through the high-pressure demoulding device, so that the capsule product is automatically ejected.

Claims (21)

1. Water ring syringe heating device, including heat preservation water pipe (5), characterized in that: the heating pipe forms a closed vacuum inner chamber inside the syringe through the hot water ring vacuum pump (8), and directly adds hot water to make the hot water energy Circulating heat conduction between the inside of the syringe and the hot water ring vacuum pump (8); the heat preservation water pipe (5) is set on the syringe through the water inlet (6) and water outlet (7) and through the hot water ring vacuum pump (8); The above-mentioned thermal insulation water pipe (5) is set as a single guide through the water inlet (6) and the water outlet (7). 2. The capsule preparation system adopting the water ring syringe heating device as claimed in claim 1. 3. The capsule preparation system according to claim 2, characterized in that: the capsule preparation system further comprises a mold and an injector arranged on the mold. 4. The capsule preparation system of claim 3, wherein the capsule preparation system further comprises a gelatin delivery device. 5. The capsule preparation system according to any one of claims 3-4, wherein the mold comprises an upper mold, a lower mold and a core mold, and the upper mold and the lower mold are mated and connected. 6. The capsule preparation system according to claim 5, characterized in that: the upper mold and the lower mold are connected by pins. 7. The capsule preparation system according to claim 5, characterized in that: the upper mold is provided with an injection nozzle. 8. The capsule preparation system according to claim 5, characterized in that: the mandrel is fixed with an upper cover. 9. The capsule preparation system according to claim 8, characterized in that: a lower cover is fixed under the mandrel. 10. The capsule preparation system according to any one of claims 2-4, characterized in that: the capsule preparation system further comprises a vacuum device. 11. The capsule preparation system according to claim 10, characterized in that: the vacuum device is provided with an exhaust groove. 12. The capsule preparation system according to claim 10, wherein a sealing device is provided on the vacuum pumping device. 13. The capsule preparation system according to claim 12, characterized in that: the sealing device is a sealing ring arranged on the mold clamping surface between the upper mold and the lower mold. 14. The capsule preparation system according to any one of claims 2-4, characterized in that: the capsule preparation system further comprises a high-pressure demoulding device. 15. The capsule preparation system according to claim 14, characterized in that: the high-pressure demoulding device comprises an air cap, a high-pressure blowing port and an air channel. 16. The capsule preparation system according to claim 15, characterized in that: the air cover is arranged on the upper cover of the mandrel. 17. The capsule preparation system according to claim 15, characterized in that: the high-pressure blowing port is arranged on the lower cover of the mandrel. 18. The capsule preparation system according to claim 15, characterized in that: the air channel is arranged between the air cap and the high-pressure air blowing port. 19. The capsule preparation system according to claim 9, wherein a positioning block is provided at the end of the lower cover of the mandrel. 20. The method for using the capsule preparation system according to any one of claims 3-19, comprising the steps of: Mold installation steps: After assembling and installing the mold, connect the water inlet (6) and water outlet (7) of the water ring syringe heating device; Mold closing injection step: turn on the water ring injector heating device to heat the mold; Pressure holding and heat preservation vulcanization step: hot water continues to circulate; Demoulding step: stop the hot water circulation, open the upper mold and the lower mold, and take out the capsule product. 21. The method for using the capsule preparation system as claimed in claim 20, characterized in that: In the mold installation step, after connecting the water inlet (6) and water outlet (7) of the water ring syringe heating device, connect the vacuum device; In the mold closing injection step, after heating the mold, vacuum exhaust; In the pressure-holding and heat-preservation vulcanization step, when the hot water continues to circulate, stop vacuuming and exhaust for 4 minutes; In the demoulding step, after opening the upper mold and the lower mold, high-pressure gas is charged through the high-pressure demoulding device, so that the capsule product is automatically ejected.