CN219726910U - Mold core cooling structure for molding bottle mouth and bottle making equipment - Google Patents

Abstract

The utility model provides a be used for fashioned mold core cooling structure of bottleneck and bottle-making equipment relates to glass production technical field, wherein, be used for fashioned mold core cooling structure of bottleneck includes: the mold core body comprises a cooling channel arranged along the axial direction, and a water inlet channel and a water outlet channel which are oppositely arranged on the side surface of the mold core body; the blocking piece is blocked in the cooling channel; and the separating piece is arranged on the surface of the plugging piece, which faces the cooling channel, the cooling channel is separated by the separating piece to form a first channel unit and a second channel unit, one ends of the first channel unit and the second channel unit, which deviate from the plugging piece, are mutually communicated, one ends, close to the water inlet channel, are mutually separated, the water inlet channel is communicated with the first channel unit, and the water outlet channel is communicated with the second channel unit. According to the technical scheme, the restriction on the flow direction of cooling water is enhanced through the partition piece, so that the cooling water can strictly flow according to a path, the cooling effect of the top area of the mold core is improved, and the cooling stability is improved.

Description

Mold core cooling structure for molding bottle mouth and bottle making equipment

Technical Field

The disclosure relates to the technical field of bottle making equipment, in particular to a mold core cooling structure for bottle opening molding and bottle making equipment.

Background

The mouth of a tube-type injection bottle is typically extruded from a die. The mould core of the mould is generally cylindrical, the bottle mouth of the injection bottle is sleeved on the mould core, and the injection bottle rotates and is extruded on the mould core to realize forming. The mould core is therefore one of the key components of the moulding of the neck finish.

In the actual production process, the temperature at the mold core is higher, so that the mold is required to have a better cooling effect in order to ensure the uniformity of the size of the bottle mouth. In the prior art, the inside of mold core is provided with the cooling structure that a plurality of spare parts processing equipment formed, including the cooling channel that sets up along the mold core axial, the bottom opposite both sides of cooling channel are provided with water inlet end and play water end respectively, and after the cooling water entered cooling channel from the water inlet end, from the play water end outflow. Because the cooling water is required to be introduced into the cooling channel, the constraint force of the cooling water in the cooling channel is small, and the cooling water is difficult to reach the top of the cooling channel, so that the overall cooling effect of the mold core is uneven.

Accordingly, there is a need for a mold core cooling structure for molding bottle mouths that addresses at least the above-described problems.

Disclosure of Invention

One technical problem to be solved by the present disclosure is: how to solve the problem that cooling effect is uneven caused by the fact that cooling water of a mold core cooling structure is difficult to reach the top of a cooling channel in the prior art.

To solve the above technical problem, an embodiment of the present disclosure provides a mold core cooling structure for molding a bottle mouth, including: the mold core body comprises a cooling channel arranged along the axial direction, and a water inlet channel and a water outlet channel which are oppositely arranged on the side surface of the mold core body; the blocking piece is blocked in the cooling channel; and the separating piece is arranged on the surface of the plugging piece, which faces the cooling channel, the cooling channel is separated by the separating piece to form a first channel unit and a second channel unit, one ends of the first channel unit and the second channel unit, which deviate from the plugging piece, are mutually communicated, one ends, close to the water inlet channel, are mutually separated, the water inlet channel is communicated with the first channel unit, and the water outlet channel is communicated with the second channel unit.

In some embodiments, the cooling channel is cylindrical, and the water inlet channel and the water outlet channel are respectively arranged perpendicular to the cooling channel.

In some embodiments, the mold core body includes a first end for molding the finish and a second end opposite the first end, the cooling channel is in communication with the second end, and the closure seals the cooling channel from the second end.

In some embodiments, the second end of the core body is provided with a groove concentric with the cooling channel, the groove being in communication with the cooling channel, at least a portion of the closure member extending into the groove and being in sealing connection with the groove and/or the cooling channel.

In some embodiments, the divider is sealingly connected to the side wall of the cooling gallery.

In some embodiments, the side wall of the cooling channel is provided with a pair of oppositely disposed mounting grooves, and the partition includes two oppositely disposed mounting ends, each of which is sealingly connected within one of the mounting grooves.

In some embodiments, the separator includes two water-contacting surfaces disposed opposite each other and two mounting end surfaces disposed opposite each other, the water-contacting surfaces and the mounting end surfaces disposed adjacent each other, each mounting end surface forming a mounting end.

In some embodiments, the mounting groove is an arcuate groove, the mounting end face is an arcuate face, and the mounting end formed by the mounting end face is adapted to the mounting groove.

In some embodiments, the core body is integrally formed and the divider is sealingly connected to the closure.

The embodiment of the disclosure also provides bottle making equipment, which comprises the mold core cooling structure for molding the bottle mouth.

Through above-mentioned technical scheme, the cooling structure of mould core for bottleneck fashioned that this disclosure provided separates the cooling channel in with the mould core body through the separator and forms first passageway unit and second passageway unit, and the passageway that intakes is used for letting in the cooling water, and the cooling water is from the passageway that intakes first passageway unit, second passageway unit then can flow from the passageway that goes out in proper order, makes the cooling water can evenly at the inside axial distribution of following of mould core to improve the cooling effect. The mold core cooling structure provided by the disclosure strengthens the restriction on the flow direction of cooling water through the partition piece, so that the cooling water can strictly flow according to a path, the cooling effect of the top area of the mold core is improved, and the cooling stability is improved.

The bottle making equipment provided by the present disclosure has the same or similar technical effects as the mold core cooling structure for molding the bottle mouth provided by the present disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of 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 disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic structural view of a mold core cooling structure for molding a bottle neck according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a mold core cooling structure for molding a finish according to an embodiment of the present disclosure;

FIG. 3 is a side view of a mold core cooling structure for molding a finish according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view taken along A-A in FIG. 3;

FIG. 5 is a B-B cross-sectional view of FIG. 3;

FIG. 6 is a schematic structural view of a mold core body in a mold core cooling structure for molding a bottle neck according to an embodiment of the present disclosure;

FIG. 7 is a top view of a mold core body in a mold core cooling structure for molding a finish according to an embodiment of the present disclosure;

FIG. 8 is a C-C cross-sectional view of FIG. 7;

FIG. 9 is a D-D sectional view of FIG. 7;

fig. 10 is a schematic view of a separator and closure connection structure in a mold core cooling structure for molding a bottle neck according to an embodiment of the present disclosure.

Reference numerals illustrate:

1. a mold core body; 101. a cooling channel; 102. a water inlet channel; 103. a water outlet channel; 104. a first channel unit; 105. a second channel unit; 106. a groove; 107. a mounting groove;

2. a blocking member;

3. a partition; 301. and (5) installing an end surface.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.

The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

To solve the problems of the prior art, as shown in fig. 1 to 10, an embodiment of the present disclosure provides a mold core cooling structure for molding a bottle mouth, including: the mold core body 1 comprises a cooling channel 101 arranged along the axial direction, a water inlet channel 102 and a water outlet channel 103 which are oppositely arranged on the side surface of the mold core body 1; a blocking member 2 which blocks the cooling passage 101; and a partition member 3 disposed on a surface of the blocking member 2 facing the cooling channel 101, wherein the partition member 3 partitions the cooling channel 101 to form a first channel unit 104 and a second channel unit 105, one ends of the first channel unit 104 and the second channel unit 105 facing away from the blocking member 2 are mutually communicated, one ends of the water inlet channel 102 are mutually separated, the water inlet channel 102 is communicated with the first channel unit 104, and the water outlet channel 103 is communicated with the second channel unit 105.

In the mold core cooling structure for molding a bottle mouth provided by the embodiment of the disclosure, the mold core body 1 can be used for a bottle mouth extrusion molding process of a tubular injection bottle, wherein the mold core body 1 is provided with a cooling channel 101, a water inlet channel 102 and a water outlet channel 103 which are respectively communicated with the cooling channel, the cooling water can enter the cooling channel 101 from the water inlet channel 102 and flow out from the water outlet channel 103, and the cooling channel 101 is arranged along the axial direction of the mold core body 1, so that the cooling water entering from the water inlet channel 102 can flow along the flow direction of the bottom of the mold core body 1 towards the top, and the mold core body 1 has a uniform cooling effect.

According to the mold core cooling structure for molding the bottle mouth, the cooling channel 101 in the mold core body 1 is divided into the first channel unit 104 and the second channel unit 105 through the partition piece 3, the water inlet channel 102 is used for introducing cooling water, the cooling water sequentially enters the first channel unit 104 and the second channel unit 105 from the water inlet channel 102 and flows out from the water outlet channel 103, so that the cooling water can be uniformly distributed in the mold core body 1 along the axial direction, the cooling effect is improved, the constraint on the flow direction of the cooling water is enhanced through the partition piece 3, the cooling water can strictly flow according to a path, the cooling effect of the top area of the mold core is improved, and the cooling stability is improved.

In some embodiments, the core body 1 is integrally formed.

The cooling channel 101 in the mold core cooling structure in the prior art is formed by a plurality of parts and components which are communicated together after being processed and assembled, and the assembled structure has small constraint force on cooling water, so that the cooling effect of the mold core is unstable; meanwhile, as the mold core and the whole bottle mouth manufacturing module with the mold core are more in parts, errors among all parts of the assembly type are overlapped, and the problems of difficult assembly or poor sealing of water and land and leakage are easily caused.

In the embodiment of the disclosure, the mold core body 1 adopts an integrated molding structure, and the cooling channel 101, the water inlet channel 102 and the water outlet channel 103 are formed by machining, so that compared with the mold core cooling structure for molding the bottle mouth in the embodiment of the disclosure in the prior art, the number of required parts can be reduced while the cooling function is ensured, and the interference risk during assembly is reduced; and the integral processing can improve the overall dimensional accuracy, improve the assembly effect, avoid the problem that the waterway is sealed untight and leakage is caused by assembly errors.

In some embodiments, as shown in fig. 1 to 5, the cooling channel 101 is cylindrical, and the water inlet channel 102 and the water outlet channel 103 are respectively arranged perpendicular to the cooling channel 101, so that contact between the outer surface of the mold core body 1 and the bottle mouth is not affected.

In some embodiments, as shown in fig. 6 to 9, the mold core body 1 includes a first end for molding a bottle mouth and a second end opposite to the first end, the cooling channel 101 communicates with the second end, and the closure member 2 closes off the cooling channel 101 from the second end.

The water inlet passage 102 and the water outlet passage 103 are provided at the second end in a first direction, which is a direction perpendicular to the axial direction of the cooling passage 101, respectively. The first end of mold core body 1 is cylindrical for the inner wall of contact bottleneck, the outer wall of first end is provided with a plurality of axial tangent planes that are on a parallel with mold core body 1 to have the clearance between the inner wall of messenger's mold core body 1 and bottleneck, the drawing of patterns after being convenient for the shaping. The sections may be an even number of sections arranged two by two, for example, two, four or more.

The second end of the mold core body 1 may have a structure with a certain length in the first direction, so that the water inlet channel 102 and the water outlet channel 103 are arranged, and the shape of the second end may be determined according to practical requirements. The bottom of the second end of the core body 1 may have a protruding structure coaxially disposed with the cooling channel 101, and the cooling channel 101 penetrates the protruding structure for assembling the plugging member 2 while providing the plugging member 2 with mounting strength to ensure the stability of the connection.

In some embodiments, as shown in fig. 6, the second end of the core body 1 is provided with a groove 106 concentric with the cooling channel 101, the groove 106 being in communication with the cooling channel 101, at least part of the closure 2 extending into the groove 106 and being in sealing connection with the groove 106 and/or the cooling channel 101.

The grooves 106 may be provided through a protruding structure by which the wall thickness may be provided for the grooves 106. The groove 106 and the cooling channel 101 are concentrically arranged, the inner diameter of the groove 106 is not smaller than the inner diameter of the cooling channel 101, the plugging piece 2 can be cylindrical matched with the groove 106, and the plugging piece 2 extends into the groove 106 from the protruding structure at the second end and is in sealing connection with the groove 106, so that cooling water leakage is avoided.

Wherein, form the block between recess 106 and the cooling channel 101 to can be to shutoff piece 2 along axial spacing.

The sealing connection can be realized by the sealing piece 2 and the groove 106 in an interference fit mode, and the sealing piece 2 is assembled in a press fit mode, so that the sealing piece 2 is tightly contacted with the female die or the groove 106 and the cooling channel 101, and the tightness is ensured.

The plugging piece 2 can also be in threaded connection with the groove 106, sealing connection is realized through the matching of internal and external threads, and the plugging piece can be detached conveniently. In order to secure the sealing effect, when the blocking member 2 is screwed with the groove 106, a sealing material such as a sealant, a sealing tape, or the like may be provided between the blocking member 2 and the groove 106, thereby further enhancing the sealing effect.

The sealing element 2 can also be in sealing connection with the groove 106 in the form of a sealing ring, for example, a surrounding sealing ring is arranged on the outer wall of the sealing element 2, and the sealing ring is tightly pressed to realize sealing when the groove 106 is matched with the sealing element 2.

The sealing connection between the sealing piece 2 and the groove 106 can be realized by adopting a welding mode, and the joint between the sealing piece 2 and the groove 106 can be filled with an annular welding seam material, so that the sealing connection between the sealing piece 2 and the groove 106 is realized. The adoption of the welding mode can realize sealing connection, but is not beneficial to disassembly and maintenance.

In some embodiments, the partition 3 is in sealing connection with the plug 2, and the partition 3 is in sealing connection with the side wall of the cooling channel 101.

The partition member 3 is provided on the surface of the blocking member 2 facing the cooling passage 101, the surface of the partition member 3 facing the water inlet passage 102 and the cooling passage 101 form a first passage unit 104, and the surface of the partition member 3 facing the water outlet passage 103 and the cooling passage 101 form a second passage unit 105. When the mold core is used, the plugging piece 2 is positioned below, the first channel unit 104 and the second channel unit 105 are communicated with the top in the mold core body 1, the water inlet channel 102 and the water outlet channel 103 are respectively positioned at the bottom, cooling water enters the second channel unit 105 from bottom to top through the top of the first channel unit 104 and flows out from top to bottom through the water outlet channel 103 to form an n-shaped flow path, so that the cooling water flows through the cooling channel 101 in the entire mold core body 1 and fills the entire cooling channel 101, and the cooling effect of the mold core body 1 is improved.

The separation piece 3 is in sealing connection with the plugging piece 2, a small amount of sealant can be smeared between the separation piece 3 and the plugging piece 2, and the sealant amount can be selected in a proper range according to practical verification, so that excessive or insufficient sealant can be avoided. When the sealant is too little, the sealing effect of the separating piece 3 and the plugging piece 2 can be affected; when the sealant is too much, the excessive sealant is easy to be carried away by cooling water, and the pipeline can be blocked and the like.

The partition 3 may be connected to the blocking member 2 by welding, and the partition 3 and the blocking member 2 may be welded together and then fixed in the cooling passage 101.

The cooling channel 101 in the prior art is a complete cavity, after cooling water enters the cooling channel 101 from the water inlet, the cooling water flows out through the water outlet, and part of the cooling water directly flows out from the water outlet after entering from the cooling water inlet, and the cooling water does not tend to flow upwards to the top of the mold core, so that the cooling effect of the cooling water at the top of the cooling channel 101 is not good. The embodiment of the disclosure sets the partition piece 3 and the plugging piece 2 in a sealing connection, and the partition piece 3 and the side wall of the cooling channel 101 are in sealing connection, so that the first channel unit 104 and the second channel unit 105 can be completely isolated except for the communication part, cooling water can only flow according to the flow direction of the flow path, the restraint force on the cooling water is improved, the flow direction of the cooling water is restrained, the cooling effect of the top of the mold core body 1 is improved, and the cooling stability is improved.

In some embodiments, as shown in fig. 7 to 9, a pair of mounting grooves 107 are provided on the side wall of the cooling passage 101, which are disposed opposite to each other, and the partition 3 includes two mounting ends disposed opposite to each other, each of which is sealingly connected to one of the mounting grooves 107.

The mounting groove 107 is recessed from the inside of the side wall of the cooling passage 101, and the two mounting ends of the partition 3 are engaged in the mounting groove 107.

The mounting groove 107 is provided parallel to the axial direction of the cooling passage 101 from bottom to top, and the length of the mounting groove 107 is lower than the height of the cooling passage 101 so that a communication space at the top of the cooling passage 101 can be reserved after the partition 3 is assembled.

In some embodiments, as shown in fig. 10, the separator 3 includes two water-meeting surfaces disposed opposite each other and two mounting end surfaces 301 disposed opposite each other, the water-meeting surfaces and the mounting end surfaces 301 being disposed adjacent each other, each mounting end surface 301 forming a mounting end.

In some embodiments, the mounting groove 107 is an arcuate groove, the mounting end face 301 is an arcuate face, and the mounting end formed by the mounting end face 301 mates with the mounting groove 107.

The partition 3 has a flat plate structure, two water meeting surfaces are respectively arranged towards the water inlet channel 102 or the water outlet channel 103, and the installation end surface 301 is used for contacting with the groove wall of the installation groove 107. Wherein, the cooperation mode of arc wall and arcwall face can guarantee the inseparable contact of separating member 3 and cooling channel 101, further guarantees the sealed effect of separating member 3 and cooling channel 101, perhaps also can paint a small amount of sealant in order to further guarantee sealed effect between mounting groove 107 and installation end.

In some embodiments, the partition 3 may be formed by bending a thin plate, so that the mounting end face 301 and the mounting groove 107 can be better attached, and at the same time, one end of the partition 3 facing away from the plugging member 2 and one end of the mounting groove 107 facing away from the plugging member 2 are abutted, so as to ensure tightness between the partition 3 and the cooling channel 101.

In some embodiments, the mounting groove 107 may be semicircular, for example, the diameter of the mounting groove 107 is phi 2mm, the separator 3 is formed by bending a thin stainless steel plate with the thickness of 0.5mm, and the mounting and limiting of the separator 3 are realized through the cooperation of the mounting groove 107 and the mounting end surface 301, while the sealing performance of the contact surface is ensured.

In some embodiments, the separator 3 may be machined from a plate-type material having a certain thickness.

According to the mold core cooling structure for molding the bottle mouth, which is provided by the embodiment of the disclosure, the mold core body 1 is integrally molded, and the flow direction of cooling water is restricted by the separation arranged in the cooling channel 101, so that the cooling water strictly flows along the path, the cooling effect of the area at the top of the mold core body 1 is improved, and the cooling stability is improved.

The embodiment of the disclosure also provides bottle making equipment, which comprises the mold core cooling structure for molding the bottle mouth.

The embodiment of the disclosure provides a bottle-making equipment, can be used to the production of tubular injection bottle, including the bottleneck manufacturing module that has the mold core cooling structure that is used for bottleneck shaping, this bottleneck manufacturing module utilizes mold core body 1 and other parts cooperation to bottle mouth extrusion, and through the supplementary shaping of rotation of injection bottle's body, mold core body 1 is through injecting into cooling water into inlet channel 102, cooling water flows in cooling channel 101, and flow from outlet channel 103, make cooling water flow with preset route under the constraint of separator 3, further guaranteed mold core body 1 top and holistic cooling effect, thereby make the culture and graphic of mold core body 1 department maintain in preset within range, thereby guarantee the shaping quality of product.

Thus, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. A mold core cooling structure for molding a bottle mouth, comprising:

the mold core body (1) comprises a cooling channel (101) arranged along the axial direction, and a water inlet channel (102) and a water outlet channel (103) which are oppositely arranged on the side surface of the mold core body (1);

a blocking member (2) which blocks the cooling passage (101); the method comprises the steps of,

a partition member (3) provided on a surface of the blocking member (2) facing the cooling passage (101), the partition member (3) partitioning the cooling passage (101) to form a first passage unit (104) and a second passage unit (105);

the first channel unit (104) and the second channel unit (105) are communicated with each other at one end deviating from the plugging piece (2), one end close to the water inlet channel (102) is separated from each other, the water inlet channel (102) is communicated with the first channel unit (104), and the water outlet channel (103) is communicated with the second channel unit (105).

2. The mold core cooling structure for molding a bottle mouth according to claim 1, wherein the cooling channel (101) is cylindrical, and the water inlet channel (102) and the water outlet channel (103) are respectively arranged perpendicular to the cooling channel (101).

3. The mold core cooling structure for molding a bottle neck according to claim 2, wherein the mold core body (1) includes a first end for molding a bottle neck and a second end opposite to the first end, the cooling passage (101) is communicated with the second end, and the blocking member (2) blocks the cooling passage (101) from the second end.

4. A mould core cooling structure for moulding a bottle mouth according to claim 3, characterized in that the second end of the mould core body (1) is provided with a groove (106) concentric with the cooling channel (101), the groove (106) being in communication with the cooling channel (101), at least part of the closure member (2) extending into the groove (106) and being in sealing connection with the groove (106) and/or the cooling channel (101).

5. The mold core cooling structure for molding a bottle neck according to claim 1, wherein,

the partition (3) is connected with the side wall of the cooling channel (101) in a sealing manner.

6. The mold core cooling structure for molding a bottle neck according to claim 5, wherein,

a pair of mounting grooves (107) are formed in the side wall of the cooling channel (101) in an opposite mode, and the partition piece (3) comprises two mounting ends which are arranged in an opposite mode, and each mounting end is connected in one mounting groove (107) in a sealing mode.

7. The mold core cooling structure for molding a bottle neck according to claim 6, wherein,

the partition piece (3) comprises two water meeting surfaces and two installation end surfaces (301) which are oppositely arranged, the water meeting surfaces and the installation end surfaces (301) are adjacently arranged, and each installation end surface (301) forms one installation end.

8. The mold core cooling structure for molding a bottle neck according to claim 7, wherein,

the mounting groove (107) is an arc-shaped groove, the mounting end face (301) is an arc-shaped face, and the mounting end formed by the mounting end face (301) is matched with the mounting groove (107).

9. The mold core cooling structure for molding a bottle neck according to claim 1, wherein,

the mold core body (1) is integrally formed, and the partition piece (3) is in sealing connection with the plugging piece (2).

10. Bottle-making apparatus characterized by comprising a mould core cooling structure for moulding bottle mouths according to any of claims 1 to 9.