Injection blowing hollow molding sampling bottle mold

Abstract

The utility model discloses an injection blowing hollow molding sampling bottle mold which comprises two half molds which are symmetrically arranged, and each half mold comprises a bottle body mold block and a bottle opening mold block. The bottle body mold block comprises a base and a positioning pipe; a bottle body groove is formed in the inner side of the base, a first runner is arranged in the base, and a connector is arranged at one end of the first runner; the bottle opening mold block comprises a detachable part, a bottle opening groove is formed in the inner side of the detachable part and used for bottle opening shaping of the sampling bottle, a second flow channel is formed in the bottle opening mold block, the end of the second flow channel extends to the lower side of the bottle opening mold block to form an insertion opening matched with the positioning pipe, the positioning pipe is inserted into the insertion opening, and the second flow channel is communicated with the first flow channel through the positioning pipe; and after the two half molds are folded, the bottle body groove and the bottle opening groove form a bottle cavity for injecting and blowing a sampling bottle. According to the sampling bottle mold provided by the utility model, the bottle opening mold block can be independently replaced, so that sampling bottles with other bottle opening shapes can be manufactured, the whole set of sampling bottle mold does not need to be replaced, and the economical efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a blow molding sample bottle mold. Background Technology

[0002] Existing plastic sampling bottles are formed by injection blow molding using injection blow molds. As shown in the patent application number CN202122870899.0, the existing injection blow molds include a moving mold and a fixed mold. The moving mold and the fixed mold can be opened and closed under the drive of a power mechanism. After the moving mold and the fixed mold are closed, a bottle cavity is formed. After injection blow molding, a sampling bottle is formed in the bottle cavity. After the moving mold and the fixed mold are opened, the sampling bottle can be taken out.

[0003] The existing injection blow molding die has a moving mold and a fixed mold that are basically an integral structure, which cannot change the shape of the bottle mouth of the bottle cavity. If it is necessary to make sampling bottles with other bottle mouth shapes, the entire injection blow molding die needs to be replaced, which is not economical. Utility Model Content

[0004] To address the limitation of existing injection blow molding dies that cannot independently change the shape of the bottle neck, this invention proposes a sampling bottle mold in which the bottle neck mold block can be replaced separately to produce sampling bottles with other bottle neck shapes, eliminating the need to replace the entire sampling bottle mold set and improving economic efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A blow molding sample bottle mold includes two symmetrically arranged half molds, each half mold including a bottle body mold block and a bottle mouth mold block;

[0007] The bottle body mold block includes a base and a positioning tube; the inner side of the base is provided with a bottle body groove for shaping the sample bottle body, and the base is provided with a first flow channel, one end of which is provided with a connector; the positioning tube is vertically fixedly connected to the upper side of the base and communicates with the other end of the first flow channel.

[0008] The bottle mouth mold block includes a detachable part, and a bottle mouth groove is provided on the inner side of the detachable part for shaping the bottle mouth of the sampling bottle. A second flow channel is provided inside the bottle mouth mold block, and the end of the second flow channel extends to the lower side of the bottle mouth mold block to form an insertion port that is compatible with the positioning tube. The positioning tube is inserted into the insertion port, and the second flow channel communicates with the first flow channel through the positioning tube.

[0009] After the two half-molds are joined together, the bottle body groove and the bottle mouth groove form a bottle cavity for injection-blown sampling bottles.

[0010] With the above settings, firstly, the bottle neck mold block can be replaced individually to produce sampling bottles with different bottle neck shapes, without having to replace the entire set of sampling bottle molds, thus saving mold costs and improving economy; secondly, the bottle neck mold block has a built-in second flow channel, which is equipped with a corresponding second flow channel according to the bottle neck shape, facilitating the cooling and forming of the bottle neck; thirdly, the positioning tube can be used for positioning and connecting the bottle neck mold block on the one hand, and for connecting the first flow channel and the second flow channel on the other hand.

[0011] Furthermore, the bottle body mold block also includes a positioning plate, which is vertically fixed to the upper side of the base. The positioning plate is provided with a guide groove, which extends vertically and its upper end extends through to the upper side of the positioning plate. The bottle mouth mold block also includes a connecting rod and a baffle. The baffle is fixedly connected to the outside of the detachable part through the connecting rod. The connecting rod is set in the guide groove. The detachable part and the baffle are attached to opposite sides of the positioning plate.

[0012] By implementing the above settings, the stability of the bottle mouth mold block is increased, making the mold more stable during injection blowing and improving the quality of the sampling bottle.

[0013] Furthermore, the outer side of the baffle is provided with threaded holes, the positioning plate is provided with mounting holes, and the bottle mouth mold block also includes a wing bolt, which passes through the mounting hole and is threadedly engaged with the threaded hole.

[0014] With the above settings, the bottle mouth mold block can be locked onto the bottle body mold block to prevent the bottle mouth mold block from moving up and down, thereby further improving the stability of the injection and the quality of the sampling bottle.

[0015] Furthermore, there are two positioning tubes, which are respectively set on the left and right sides of the bottle body groove. The two positioning tubes are inserted into the inlets at both ends of the second flow channel. There are two connectors, which are respectively set on the left and right sides of the lower end of the base. There are two independent first flow channels in the base. One connector is connected to one positioning tube through one of the first flow channels, and the other connector is connected to the other positioning tube through the other first flow channel.

[0016] Furthermore, an annular groove is provided on the outer periphery of the positioning tube, and a rubber ring is fitted on the annular groove, with the rubber ring positioned between the positioning tube and the socket.

[0017] The above settings prevent water leakage between the positioning tube and the socket.

[0018] Furthermore, the distance between the second flow channel and the wall of the bottle mouth groove is d1, the radius of the bottle mouth groove is d2, and d1 / d2=1 / 4. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the mold used in an embodiment.

[0020] Figure 2 This is a schematic diagram of the bottle body mold block for an embodiment.

[0021] Figure 3 This is a cross-sectional view of the half-mold of the embodiment. Detailed Implementation

[0022] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0023] like Figures 1 to 3 As shown, a blow molding sampling bottle mold includes two symmetrically arranged half molds, each half mold including a bottle body mold block 2 and a bottle mouth mold block 3.

[0024] The bottle body mold block 2 includes a base 21 and a positioning tube 22; a bottle body groove 201 is provided on the inner side of the base 21 for shaping the sample bottle body; a first flow channel 202 is provided in the base 21, and a connector 203 is provided at one end of the first flow channel 202; the positioning tube 22 is vertically fixedly connected to the upper side of the base 21 and communicates with the other end of the first flow channel 202.

[0025] The bottle mouth mold block 3 includes a detachable part 31. The inner side of the detachable part 31 is provided with a bottle mouth groove 301 for shaping the bottle mouth of the sampling bottle. The bottle mouth mold block 3 is provided with a second flow channel 302. The end of the second flow channel 302 extends to the lower side of the bottle mouth mold block 3 to form an insertion port 303 that is adapted to the positioning tube 22. The positioning tube 22 is inserted into the insertion port 303. The second flow channel 302 is connected to the first flow channel 202 through the positioning tube 22.

[0026] After the two half molds are joined together, the bottle body groove 201 and the bottle mouth groove 301 form a bottle cavity for injection-blown sampling bottles.

[0027] With the above settings, firstly, the bottle mouth mold block 3 can be replaced individually to produce sampling bottles with different bottle mouth shapes, without having to replace the entire set of sampling bottle molds, which can save mold expenses and improve economy; secondly, the bottle mouth mold block 3 has a built-in second flow channel 302, and the corresponding second flow channel 302 is equipped according to the bottle mouth shape, which facilitates the cooling and forming of the bottle mouth of the sampling bottle; thirdly, the positioning tube 22 can be used for positioning and connecting the bottle mouth mold block 3 on the one hand, and for connecting the first flow channel 202 and the second flow channel 302 on the other hand.

[0028] The two mold halves of this application can be opened and closed by a linear actuator such as a cylinder. The linear actuator is specifically connected to the base 21 of the mold, and drives the entire mold halves to move back and forth through the base 21. After the tubular extruded body moves downward between the two mold halves, the two mold halves close, and the bottle body groove 201 and the bottle mouth groove 301 form a bottle cavity that fits the sampling bottle to be made. The upper end of the bottle cavity is open to facilitate the injection of air into the extruded body. The extruded body expands, and the air outside the extruded body is discharged through the gap between the mold halves. After the extruded body expands, it fits tightly against the bottle cavity to form a sampling bottle. Specifically, the extruded material forms the bottle neck portion of the sampling bottle at the bottle neck groove 301, and the extruded material forms the bottle body portion of the sampling bottle at the bottle body groove 201; an external water pump supplies cooling water to the mold through connector 203, and the cooling water flows along connector 203, first flow channel 202, positioning tube 22 and second flow channel 302 to reduce the temperature of the mold and sampling bottle, allowing the sampling bottle to harden quickly; after the two half molds are opened, the sampling bottle is removed; when it is necessary to make sampling bottles with different bottle necks, the bottle neck mold block 3 is pulled upwards directly, as shown. Figure 2 To remove the half-mold after removing the bottle neck mold block 3, the bottle neck mold block 3 with other shaped bottle neck grooves 301 is reinstalled on the bottle body mold block 2. Specifically, the insertion port 303 on the lower side of the bottle neck mold block 3 is aligned with the positioning tube 22, and it is installed downwards on the bottle body mold block 2. After installation, the positioning tube 22 is inserted into the insertion port 303 on the lower side of the bottle neck mold block 3, making installation very convenient. The base and detachable parts are made of alloy or ceramic materials, improving high-temperature resistance, corrosion resistance, and acid resistance.

[0029] As one implementation, the bottle body mold block 2 also includes a positioning plate 23, which is vertically fixedly connected to the upper side of the base 21. The positioning plate 23 is provided with a guide groove 204, which extends vertically and its upper end extends through to the upper side of the positioning plate 23. The bottle mouth mold block 3 also includes a connecting rod 32 and a baffle 33. The baffle 33 is fixedly connected to the outside of the detachable part 31 through the connecting rod 32. The connecting rod 32 is set in the guide groove 204. The detachable part 31 and the baffle 33 are attached to opposite sides of the positioning plate 23.

[0030] By implementing the above settings, the stability of the bottle mouth mold block 3 is increased, making the mold more stable during injection blowing and improving the quality of the sampling bottle.

[0031] The positioning plate 23 of this application is integrally formed on the upper side of the base 21 and is sandwiched between the baffle 33 and the detachable part 31. During injection blowing, the detachable part 31 will not tilt inward or outward, thereby improving the quality of the bottle mouth of the sampling bottle. The guide groove 204 and the connecting rod 32 of this application are specifically provided in twos. The two guide grooves 204 correspond one-to-one with the two connecting rods 32. The upper end of the guide groove 204 is open, which facilitates the connecting rod 32 to slide down into the guide groove 204. That is, it is convenient for the bottle mouth mold block 3 to be installed downward onto the bottle body mold block 2. The thickness of the positioning plate 23 is equal to the distance between the baffle 33 and the detachable part 31. After the bottle mouth mold block 3 is installed, the baffle 33 and the detachable part 31 are attached to the opposite sides of the positioning plate 23, thereby preventing the bottle mouth mold block 3 from shaking inward or outward during injection blowing.

[0032] As one implementation, the outer side of the baffle 33 is provided with a threaded hole 304, the positioning plate 23 is provided with a mounting hole, and the bottle mouth mold block 3 also includes a wing bolt 34, which passes through the mounting hole and is threadedly engaged with the threaded hole 304.

[0033] With the above settings, the bottle mouth mold block 3 can be locked onto the bottle body mold block 2 to prevent the bottle mouth mold block 3 from moving up and down, thereby further improving the injection stability and the quality of the sampling bottle.

[0034] As one implementation method, two positioning tubes 22 are provided, respectively located on the left and right sides of the bottle body groove 201. The two positioning tubes 22 are inserted into the insertion ports 303 at both ends of the second flow channel 302. Two connectors 203 are provided, respectively located on the left and right sides of the lower end of the base 21. The base 21 is provided with two independent first flow channels 202. One connector 203 is connected to one of the positioning tubes 22 through one of the first flow channels 202, and the other connector 203 is connected to the other positioning tube 22 through the other first flow channel 202.

[0035] There are two positioning tubes 22. A second flow channel 302 is provided in the detachable part 31. The two ends of the second flow channel 302 extend to the left and right sides of the lower end of the detachable part 31, forming two insertion ports 303 on the left and right sides of the detachable part 31. The two insertion ports 303 correspond one-to-one with the two positioning tubes 22. The two positioning tubes 22 are inserted into the corresponding insertion ports 303 respectively. There are two independent first flow channels 202 in the base 21. During cooling, the water output by the water pump enters the mold through one of the connectors 203, and then leaves the mold through the first flow channel 202, positioning tube 22, second flow channel 302, the other positioning tube 22, the other first flow channel 202, and the other connector 203.

[0036] As one implementation method, an annular groove is provided on the outer periphery of the positioning tube 22, and a rubber ring 4 is fitted on the annular groove. The rubber ring 4 is positioned between the positioning tube 22 and the socket 303.

[0037] The above settings prevent water leakage between the positioning tube 22 and the socket 303.

[0038] As one implementation, the distance between the second flow channel 302 and the wall of the bottle mouth groove 301 is d1, the radius of the bottle mouth groove 301 is d2, and d1 / d2=1 / 4.

[0039] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. An injection blow hollow molded sample bottle mold characterized by, It includes two symmetrically arranged half-molds, each half-mold comprising a bottle body mold block and a bottle mouth mold block; The bottle body mold block includes a base and a positioning tube; the inner side of the base is provided with a bottle body groove for shaping the sample bottle; the base is provided with a first flow channel, and one end of the first flow channel is provided with a connector; the positioning tube is vertically fixedly connected to the upper side of the base and communicates with the other end of the first flow channel. The bottle mouth mold block includes a detachable part, and the inner side of the detachable part is provided with a bottle mouth groove for shaping the bottle mouth of the sampling bottle. The bottle mouth mold block is provided with a second flow channel, and the end of the second flow channel extends to the lower side of the bottle mouth mold block to form an insertion port adapted to the positioning tube. The positioning tube is inserted into the insertion port, and the second flow channel communicates with the first flow channel through the positioning tube. After the two half-molds are joined together, the bottle body groove and the bottle mouth groove form a bottle cavity for injection-blown sampling bottles.

2. A blow-molded sampling bottle mold according to claim 1, wherein The bottle body mold block also includes a positioning plate, which is vertically fixed to the upper side of the base. The positioning plate is provided with a guide groove, which extends vertically and its upper end extends through to the upper side of the positioning plate. The bottle mouth mold block also includes a connecting rod and a baffle. The baffle is fixedly connected to the outside of the detachable part through the connecting rod. The connecting rod is set in the guide groove. The detachable part and the baffle are attached to opposite sides of the positioning plate.

3. A blow-molded sampling bottle mold according to claim 2, wherein The baffle has a threaded hole on its outer side, the positioning plate has a mounting hole, and the bottle mouth mold block also includes a wing bolt, which passes through the mounting hole and is threadedly engaged with the threaded hole.

4. A blow-molded sampling bottle mold according to claim 3, wherein Two positioning tubes are provided, respectively located on the left and right sides of the bottle body groove. The two positioning tubes are inserted into the inlets at both ends of the second flow channel. Two connectors are provided, respectively located on the left and right sides of the lower end of the base. The base is provided with two independent first flow channels. One connector is connected to one positioning tube through one of the first flow channels, and the other connector is connected to the other positioning tube through the other first flow channel.

5. A blow-molded sampling bottle mold according to claim 1, wherein The positioning tube has an annular groove on its outer periphery, and a rubber ring is fitted on the annular groove between the positioning tube and the insertion port.

6. A molded sample bottle mold according to claim 1, wherein The distance between the second flow channel and the wall of the bottle mouth groove is d1, and the radius of the bottle mouth groove is d2, where d1 / d2 = 1 / 4.

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