Mold core plate and mold core plate assembly
By designing upper and lower cooling flow paths on the core plate body and reversing the cooling water flow between adjacent core plate assembly mounting positions, the problem of uneven cooling of the core plate was solved, the preform molding quality was improved, and the scrap rate of the core plate was reduced.
Patent Information
- Application Number
- CN202423191048.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-23
AI Technical Summary
An unreasonable cooling water channel design in the mold core plate leads to uneven cooling, which affects the molding quality of the preform and is difficult to correct, resulting in a high scrap rate of the mold core plate.
The design of each row of mold core component mounting positions on the mold core plate body has an upper cooling flow path and a lower cooling flow path. The cooling water is switched between adjacent mold core component mounting positions through the first and second passages to ensure uniform cooling.
Uniform cooling of the mold core assembly is achieved, ensuring the quality of preform molding, reducing the scrap rate of the mold core plate, and achieving the goal of lean production.
Smart Images
Figure CN223644048U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bottle embryo manufacturing technical field, concretely relates to a mould core plate and mould core plate subassembly. BACKGROUND
[0002] The reasonable design of the mould core plate cooling water path is an important sign for measuring the quality of the injection blank mould, at present, the mould core plate cooling water path lacks systematic design method, the mould core plate cooling water path is prone to unreasonable design, which leads to uneven cooling in actual use, influences the forming quality of the bottle blank, and it is difficult to correct the mould core plate cooling water path after the problem occurs, namely, the mould core plate needs to be scrapped and redone, therefore, the reasonable design of the mould core plate cooling water path is very important. SUMMARY
[0003] In view of the technical problems in the prior art, the utility model aims at providing a mould core plate and mould core plate subassembly, which can make the cooling water complete the reversing between the two adjacent mould core assembly installation positions, make the mould core assembly cooling uniform, and ensure the forming quality of the bottle blank.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A mould core plate, comprising a mould core plate body, the mould core plate body has m rows of n column mould core assembly installation positions, each row of mould core assembly installation positions in the mould core plate body has an upper cooling flow path and a lower cooling flow path, the mould core assembly installation positions sequentially penetrate the upper cooling flow path and the lower cooling flow path, and the mould core plate body has a first passage and a second passage penetrating the m rows of upper cooling flow paths / lower cooling flow paths; wherein, the n mould core assembly installation positions of each row are divided into x groups, when x is greater than or equal to 2, the upper cooling flow path and the lower cooling flow path corresponding to the two adjacent groups of mould core assembly installation positions respectively include one upper cooling flow channel and two lower cooling flow channels, or the upper cooling flow path and the lower cooling flow path corresponding to the two adjacent groups of mould core assembly installation positions respectively include two upper cooling flow channels and one lower cooling flow channel.
[0006] As a kind of preferred, when x is odd, lower cooling flow path includes y1 lower cooling flow channel, y1=(x+1) / 2, upper cooling flow path includes z1 upper cooling flow channel, z1=(x+1) / 2, first lower cooling flow channel is communicated with a group of mould core assembly installation positions, and the rest lower cooling flow channels are communicated with two groups of mould core assembly installation positions;
[0007] Last upper cooling flow channel is communicated with a group of mould core assembly installation positions, and the rest upper cooling flow channels are communicated with two groups of mould core assembly installation positions;
[0008] The first passage penetrates the first lower cooling flow channel of m rows, and the second passage penetrates the last upper cooling flow channel of m rows.
[0009] As a kind of preferred, when x is even, the lower cooling flow path includes y2 lower cooling flow passages, y2=(x / 2)+1, and the upper cooling flow path includes z2 upper cooling flow passages, z2=x / 2;
[0010] The first lower cooling flow passage and the last lower cooling flow passage are communicated with a group of mold core assembly installation sites, and the rest of the lower cooling flow passages are communicated with two groups of mold core assembly installation sites, and the upper cooling flow passages are communicated with two groups of mold core assembly installation sites.
[0011] The first passage passes through the first lower cooling flow passage of the m rows, and the second passage passes through the last lower cooling flow passage of the m rows.
[0012] As a kind of preferred, when x is even, the lower cooling flow path includes y3 lower cooling flow passages, y3=x / 2, and the upper cooling flow path includes z3 upper cooling flow passages, z3=(x / 2)+1;
[0013] The lower cooling flow passages are communicated with two groups of mold core assembly installation sites, the first upper cooling flow passage and the last upper cooling flow passage are communicated with a group of mold core assembly installation sites, and the rest of the upper cooling flow passages are communicated with two groups of mold core assembly installation sites.
[0014] The first passage passes through the first upper cooling flow passage of the m rows, and the second passage passes through the last upper cooling flow passage of the m rows.
[0015] As a kind of preferred, each group of mold core assembly installation sites contains at least two mold core assembly installation sites, and each group of mold core assembly installation sites contains the same number of mold core assembly installation sites.
[0016] As a kind of preferred, the m rows of upper cooling flow passages passed through by the first passage are located at the beginning or the end of each row of mold core assembly installation sites, or the m rows of lower cooling flow passages passed through by the first passage are located at the beginning or the end of each row of mold core assembly installation sites.
[0017] As a kind of preferred, the m rows of upper cooling flow passages passed through by the second passage are located at the beginning or the end of each row of mold core assembly installation sites, or the m rows of lower cooling flow passages passed through by the second passage are located at the beginning or the end of each row of mold core assembly installation sites.
[0018] As a kind of preferred, adjacent upper cooling flow passages that are communicated with each other are of an integrated structure, adjacent lower cooling flow passages that are communicated with each other are of an integrated structure, part of adjacent upper cooling flow passages that are not communicated are of an integrated structure blocked by a blocking member, and part of adjacent lower cooling flow passages that are not communicated are of an integrated structure blocked by a blocking member.
[0019] As a kind of preferred, the upper cooling flow path and the lower cooling flow path are distributed axially and spaced apart along the mold core assembly installation site.
[0020] A mold core plate assembly includes a mold core assembly and a mold core plate, the number of mold core assemblies is the same as the number of mold core assembly installation positions, each mold core assembly is installed in a mold core assembly installation position; when the mold core assembly is installed in the mold core assembly installation position, the lower cooling flow path is in communication with the inside of the mold core cooling pipe, and the upper cooling flow path is in communication with the space between the mold core and the mold core cooling pipe.
[0021] Overall, the mold core plate has the following advantages:
[0022] The mold core plate can make the cooling water fully contact with the mold core assembly, so that the mold core assembly is uniformly cooled, the forming quality of the bottle blank is guaranteed, the scrap rate of the mold core plate is reduced, and the purpose of lean production is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a schematic view of a mold core plate, wherein the mold core plate is provided with a mold core assembly.
[0024] Figure 2 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being one group.
[0025] Figure 3 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being two groups, wherein the lower cooling flow path is divided into two lower cooling flow channels.
[0026] Figure 4 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being two groups, wherein the upper cooling flow path is divided into two upper cooling flow channels.
[0027] Figure 5 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being three groups.
[0028] Figure 6 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being four groups, wherein the upper cooling flow path is divided into two upper cooling flow channels.
[0029] Figure 7 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being four groups, wherein the upper cooling flow path is divided into three upper cooling flow channels.
[0030] Figure 8 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being five groups.
[0031] Figure 9 It is a schematic view of the number of mold core assembly installation positions in the mold core plate being six groups, wherein the upper cooling flow path is divided into three upper cooling flow channels.
[0032] Figure 10This is a schematic diagram when there are six sets of mounting positions for the mold core components in the mold core plate, where the upper cooling flow path is divided into four upper cooling channels.
[0033] Wherein, 1 is the mold core plate body, 2 is the first passage, 3 is the mold core assembly, 4 is the mold core assembly mounting position, 5 is the upper cooling flow path, 51 is the upper cooling channel, 6 is the lower cooling flow path, 61 is the lower cooling channel, 7 is a set of mold core assembly mounting positions, 8 is the second passage, and 9 is the sealing component. Detailed Implementation
[0034] The present invention will be further described in detail below with reference to specific embodiments.
[0035] Example 1
[0036] like Figures 1-10 As shown, this embodiment provides a mold core plate, including a mold core plate body 1. The mold core plate body 1 has m rows and n columns of mold core component mounting positions 4. The mold core component mounting positions 4 are used to install mold core components 3. Each row of mold core component mounting positions 4 in the mold core plate body 1 has an upper cooling flow path 5 and a lower cooling flow path 6. The mold core component mounting positions 4 pass through the upper cooling flow path 5 and the lower cooling flow path 6 in sequence. The mold core plate body 1 has a first passage 2 and a second passage 8 that pass through the m rows of upper cooling flow paths 5 and lower cooling flow paths 6. The n mold core component mounting positions 4 in each row are divided into x groups. When x≥2, the upper cooling flow path 5 and the lower cooling flow path 6 corresponding to two adjacent groups of mold core component mounting positions respectively include one upper cooling flow channel 51 and two lower cooling flow channels 61, or the upper cooling flow path 5 and the lower cooling flow path 6 corresponding to two adjacent groups of mold core component mounting positions respectively include two upper cooling flow channels 51 and one lower cooling flow channel 61. In this embodiment, the upper cooling flow path 5 and lower cooling flow path 6 corresponding to the two adjacent sets of mold core component mounting positions 4 in each row of the mold core plate have two ways of including the upper cooling flow channel 51 and the lower cooling flow channel 61, that is, each includes one upper cooling flow channel 51 and two lower cooling flow channels 61, or each includes two upper cooling flow channels 51 and one lower cooling flow channel 61. The above two ways are alternately distributed, so that the cooling water can be reversed between the two adjacent sets of mold core component mounting positions, so that the mold core component 3 is cooled evenly and the molding quality of the bottle preform is guaranteed.
[0037] When x is odd, the lower cooling path 6 includes y1 lower cooling channels 61, y1 = (x+1) / 2, and the upper cooling path 5 includes z1 upper cooling channels 51, z1 = (x+1) / 2. The first lower cooling channel 61 is connected to one set of mold core assembly mounting positions 7, and the remaining lower cooling channels 61 are connected to two sets of mold core assembly mounting positions. For example, when x is 3, y1 = 2, z1 = 2, that is, when there are three sets of mold core assembly mounting positions 4, the number of lower cooling channels 61 is 2, and the number of upper cooling channels 51 is 2, as detailed below. Figure 5 As shown.
[0038] The first and last lower cooling flow channels 61 are in communication with one set of the mold core assembly mounting sites 7, and the rest of the lower cooling flow channels 61 are in communication with two sets of the mold core assembly mounting sites.
[0039] The first passageway 2 penetrates the first lower cooling flow channel 61 of the m rows, and the second passageway 8 penetrates the last lower cooling flow channel 61 of the m rows.
[0040] When x is even, the lower cooling flow path 6 includes y2 lower cooling flow channels 61, y2=(x / 2)+1, and the upper cooling flow path 5 includes z2 upper cooling flow channels 51, z2=x / 2; for example, when x is 4, y2=3, z2=2, that is, when the number of the mold core assembly mounting sites 4 is four sets, the number of the lower cooling flow channels 61 is three, and the number of the upper cooling flow channels 51 is two, as shown in Figure 6 .
[0041] The first and last lower cooling flow channels 61 are in communication with one set of the mold core assembly mounting sites 7, and the rest of the lower cooling flow channels 61 are in communication with two sets of the mold core assembly mounting sites. The upper cooling flow channels 51 are in communication with two sets of the mold core assembly mounting sites.
[0042] The first passageway 2 penetrates the first lower cooling flow channel 61 of the m rows, and the second passageway 8 penetrates the last lower cooling flow channel 61 of the m rows.
[0043] When x is even, the lower cooling flow path 6 includes y3 lower cooling flow channels 61, y3=x / 2, and the upper cooling flow path 5 includes z3 upper cooling flow channels 51, z3=(x / 2)+1; for example, when x is 4, y3=2, z3=3, that is, when the number of the mold core assembly mounting sites 4 is four sets, the number of the lower cooling flow channels 61 is two, and the number of the upper cooling flow channels 51 is three, as shown in Figure 7 .
[0044] The lower cooling flow channels 61 are in communication with two sets of the mold core assembly mounting sites, the first and last upper cooling flow channels 51 are in communication with one set of the mold core assembly mounting sites 7, and the rest of the upper cooling flow channels 51 are in communication with two sets of the mold core assembly mounting sites.
[0045] The first passageway 2 penetrates the first upper cooling flow channel 51 of the m rows, and the second passageway 8 penetrates the last upper cooling flow channel 51 of the m rows.
[0046] Each set of the mold core assembly mounting sites 7 includes at least two mold core assembly mounting sites 4, and each set of the mold core assembly mounting sites 7 includes the same number of mold core assembly mounting sites 4. As shown in Figure 1 , each set of the mold core assembly mounting sites 7 includes four mold core assembly mounting sites 4.
[0047] The m rows of upper cooling flow channels 5 through which the first passages 2 pass are located at the beginning or end of each row of mold core assembly mounting positions 4, or the m rows of lower cooling flow channels 6 through which the first passages 2 pass are located at the beginning or end of each row of mold core assembly mounting positions 4.
[0048] The m rows of upper cooling flow channels 5 through which the second passages 8 pass are located at the beginning or end of each row of mold core assembly mounting positions 4, or the m rows of lower cooling flow channels 6 through which the second passages 8 pass are located at the beginning or end of each row of mold core assembly mounting positions 4.
[0049] The adjacent upper cooling flow channels 5 that are in communication with each other are in a unitary structure, and the adjacent lower cooling flow channels 6 that are in communication with each other are in a unitary structure; the adjacent upper cooling flow channels 5 that are not in communication are in a unitary structure blocked by the blocking member 9, and the adjacent lower cooling flow channels 6 that are not in communication are in a unitary structure blocked by the blocking member 9.
[0050] The upper cooling flow channels 5 and the lower cooling flow channels 6 are axially spaced apart along the mold core assembly mounting positions 4.
[0051] In some embodiments, when the number of mold core assembly mounting positions 4 is one group, the first passages 2 and the second passages 8 are in communication with the upper cooling flow channels 5 and the lower cooling flow channels 6, respectively, and the upper cooling flow channels 5 and the lower cooling flow channels 6 are in communication through the mold core assembly mounting positions 4.
[0052] In some embodiments, when the number of mold core assembly mounting positions 4 is two groups, the lower cooling flow channels 6 are provided with a blocking member 9 to divide them into two lower cooling flow channels 61 (or they can be machined into two segments of lower cooling flow channels 61 that are not in communication), and the blocking member 9 is located in the middle of the two groups of mold core assembly mounting positions, so that the cooling water can first enter one of the lower cooling flow channels 61, then start to flow to the upper cooling flow channel 51, then flow from the upper cooling flow channel 51 to the other lower cooling flow channel 61, and finally flow out of the lower cooling flow channel 61.
[0053] Or the upper cooling flow channels 5 are provided with a blocking member 9 to divide them into two upper cooling flow channels 51 (or they can be machined into two segments of upper cooling flow channels 51 that are not in communication), and the blocking member 9 is located in the middle of the two groups of mold core assembly mounting positions, and the lower cooling flow channels 6 are only one.
[0054] In which, the first passages 2 and the second passages 8 are in communication with the two upper cooling flow channels 51 located at the beginning and end of the row, or the first passages 2 and the second passages 8 are in communication with the two lower cooling flow channels 61 located at the beginning and end of the row.
[0055] In some embodiments, when the number of the mold core assembly installation sites 4 is three groups, the upper cooling flow path 5 is divided into two upper cooling flow channels 51 by the blocking member 9 (or the two upper cooling flow channels 51 are machined to be discontinuous), and the lower cooling flow path 6 is divided into two lower cooling flow channels 61 by the blocking member 9 (or the two lower cooling flow channels 61 are machined to be discontinuous), wherein the blocking member 9 in the upper cooling flow path 5 is located between the second group of mold core assembly installation sites and the third group of mold core assembly installation sites, the blocking member 9 in the lower cooling flow path 6 is located between the first group of mold core assembly installation sites 7 and the second group of mold core assembly installation sites, and the cooling water can enter the lower cooling flow channel 61 from the first group of mold core assembly installation sites 7, then flow to the upper cooling flow channel 51 corresponding to the first group of mold core assembly installation sites 7, from the upper cooling flow channel 51 corresponding to the first group of mold core assembly installation sites 7 to the upper cooling flow channel 51 corresponding to the second group of mold core assembly installation sites, then flow to the lower cooling flow channel 61 corresponding to the second group of mold core assembly installation sites from the lower cooling flow channel 61 corresponding to the second group of mold core assembly installation sites, and then flow to the lower cooling flow channel 61 corresponding to the third group of mold core assembly installation sites from the lower cooling flow channel 61 corresponding to the third group of mold core assembly installation sites, and then flow to the upper cooling flow channel 51 corresponding to the third group of mold core assembly installation sites through the third group of mold core assembly installation sites. The first passage 2 and the upper cooling flow channel 51 located at the end of the row are communicated, and the second passage 8 and the lower cooling flow channel 61 located at the beginning of the row are communicated.
[0056] In some embodiments, when the number of the mold core assembly installation sites 4 is four groups, one blocking member 9 is arranged in the upper cooling flow path 5 to divide it into two upper cooling flow channels 51, and the blocking member 9 is located between the second group of mold core assembly installation sites and the third group of mold core assembly installation sites; two blocking members 9 are arranged in the lower cooling flow path 6 to divide it into three lower cooling flow channels 61, and the two blocking members 9 are respectively arranged between the first group of mold core assembly installation sites 7 and the second group of mold core assembly installation sites, and between the third group of mold core assembly installation sites and the fourth group of mold core assembly installation sites.
[0057] Or two blocking members 9 are arranged in the upper cooling flow path 5 to divide it into three upper cooling flow channels 51, and the two blocking members 9 are respectively arranged between the first group of mold core assembly installation sites 7 and the second group of mold core assembly installation sites, and between the third group of mold core assembly installation sites and the fourth group of mold core assembly installation sites; one blocking member 9 is arranged in the lower cooling flow path 6 to divide it into two lower cooling flow channels 61, and the blocking member 9 is located between the second group of mold core assembly installation sites and the third group of mold core assembly installation sites.
[0058] The first passage 2 and the second passage 8 are respectively communicated with two upper cooling flow channels 51 located at the beginning and the end of the row, or the first passage 2 and the second passage 8 are respectively communicated with two lower cooling flow channels 61 located at the beginning and the end of the row.
[0059] In some embodiments, when the number of the mold core assembly installation sites 4 is five groups, two plugs 9 are arranged in the upper cooling flow path 5 to divide the upper cooling flow path 5 into three upper cooling flow channels 51 (or two plugs 9 are arranged to divide the upper cooling flow path 5 into two upper cooling flow channels 51, and one of the upper cooling flow channels 51 is divided into two upper cooling flow channels 51 by one plug 9), and the two plugs 9 are arranged between the second group of mold core assembly installation sites and the third group of mold core assembly installation sites and between the fifth group of mold core assembly installation sites and the sixth group of mold core assembly installation sites, respectively. Two plugs 9 are arranged in the lower cooling flow path 6 to divide the lower cooling flow path 6 into three lower cooling flow channels 61, and the two plugs 9 are arranged between the first group of mold core assembly installation sites 7 and the second group of mold core assembly installation sites and between the third group of mold core assembly installation sites and the fourth group of mold core assembly installation sites, respectively. The first passage 2 is in communication with the upper cooling flow channel 51 at the end of the row, and the second passage 8 is in communication with the lower cooling flow channel 61 at the beginning of the row.
[0060] In some embodiments, when the number of the mold core assembly installation sites 4 is six groups, two plugs 9 are arranged in the upper cooling flow path 5 to divide the upper cooling flow path 5 into three upper cooling flow channels 51, and the two plugs 9 are arranged between the second group of mold core assembly installation sites and the third group of mold core assembly installation sites and between the fourth group of mold core assembly installation sites and the fifth group of mold core assembly installation sites, respectively. Three plugs 9 are arranged in the lower cooling flow path 6 to divide the lower cooling flow path 6 into four lower cooling flow channels 61, and the three plugs 9 are arranged between the first group of mold core assembly installation sites 7 and the second group of mold core assembly installation sites, between the third group of mold core assembly installation sites and the fourth group of mold core assembly installation sites, and between the fifth group of mold core assembly installation sites and the sixth group of mold core assembly installation sites, respectively.
[0061] Or three plugs 9 are arranged in the upper cooling flow path 5 to divide the upper cooling flow path 5 into four upper cooling flow channels 51, and the three plugs 9 are arranged between the first group of mold core assembly installation sites 7 and the second group of mold core assembly installation sites, between the third group of mold core assembly installation sites and the fourth group of mold core assembly installation sites, and between the fifth group of mold core assembly installation sites and the sixth group of mold core assembly installation sites, respectively. Two plugs 9 are arranged in the lower cooling flow path 6 to divide the lower cooling flow path 6 into three lower cooling flow channels 61, and the two plugs 9 are arranged between the second group of mold core assembly installation sites and the third group of mold core assembly installation sites and between the fourth group of mold core assembly installation sites and the fifth group of mold core assembly installation sites, respectively.
[0062] The first passage 2 and the second passage 8 are in communication with the two upper cooling flow channels 51 at the beginning and the end of the row, respectively, or the first passage 2 and the second passage 8 are in communication with the two lower cooling flow channels 61 at the beginning and the end of the row, respectively.
[0063] In the above embodiments, the end of the upper cooling flow channel 51 at the beginning and the end of the row, which is in communication with the outside of the mold core plate body 1, is plugged by the plug 9, and the end of the lower cooling flow channel 61 at the beginning and the end of the row, which is in communication with the outside of the mold core plate body 1, is plugged by the plug 9.
[0064] Embodiment Two
[0065] As Figure 1 shown, the mold core plate assembly provided by the embodiment includes a mold core assembly 3 and a mold core plate, the number of the mold core assembly 3 is the same as the number of the mold core assembly installation position 4, and each mold core assembly 3 is installed on the mold core assembly installation position 4; when the mold core assembly 3 is installed on the mold core assembly installation position 4, the lower cooling flow path 6 is communicated with the inside of the mold core cooling pipe, and the upper cooling flow path 5 is communicated with the space between the mold core and the mold core cooling pipe.
[0066] The embodiment not mentioned in the embodiment is the same as the embodiment one.
[0067] The above embodiment is the preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the utility model, should be the equivalent replacement mode, and all are included in the protection scope of the utility model.
Claims
1. A mold core plate characterized by: The mold core plate body has m rows of n column mold core assembly installation positions, each row of mold core assembly installation positions in the mold core plate body has an upper cooling flow path and a lower cooling flow path, the mold core assembly installation positions sequentially pass through the upper cooling flow path and the lower cooling flow path, and the mold core plate body has a first passage and a second passage that pass through the m rows of upper cooling flow paths / lower cooling flow paths.
2. A core plate according to claim 1, wherein: When x is an odd number, the lower cooling flow path includes y1 lower cooling flow channels, y1=(x+1) / 2, the upper cooling flow path includes z1 upper cooling flow channels, z1=(x+1) / 2, the first lower cooling flow channel is in communication with one group of mold core assembly installation positions, and the remaining lower cooling flow channels are in communication with two groups of mold core assembly installation positions. The last upper cooling flow channel is in communication with one group of mold core assembly installation positions, and the remaining upper cooling flow channels are in communication with two groups of mold core assembly installation positions. The first passage passes through the first lower cooling flow channel of the m rows, and the second passage passes through the last upper cooling flow channel of the m rows.
3. A core plate according to claim 1, wherein: When x is an even number, the lower cooling flow path includes y2 lower cooling flow channels, y2=(x / 2)+1, and the upper cooling flow path includes z2 upper cooling flow channels, z2=x / 2. The first lower cooling flow channel and the last lower cooling flow channel are in communication with one group of mold core assembly installation positions, the remaining lower cooling flow channels are in communication with two groups of mold core assembly installation positions, and the upper cooling flow channels are in communication with two groups of mold core assembly installation positions. The first passage passes through the first lower cooling flow channel of the m rows, and the second passage passes through the last upper cooling flow channel of the m rows.
4. A core plate according to claim 1, wherein: When x is an even number, the lower cooling flow path includes y3 lower cooling flow channels, y3=x / 2, and the upper cooling flow path includes z3 upper cooling flow channels, z3=(x / 2)+1. The lower cooling flow channels are in communication with two groups of mold core assembly installation positions, the first upper cooling flow channel and the last upper cooling flow channel are in communication with one group of mold core assembly installation positions, and the remaining upper cooling flow channels are in communication with two groups of mold core assembly installation positions. The first passage passes through the first upper cooling flow channel of the m rows, and the second passage passes through the last upper cooling flow channel of the m rows.
5. A core plate according to claim 1, wherein: Each group of mold core assembly installation positions includes at least two mold core assembly installation positions, and each group of mold core assembly installation positions includes the same number of mold core assembly installation positions.
6. A core plate according to claim 1, wherein: The m rows of upper cooling flow paths through which the first passage passes are located at the beginning or end of each row of mold core assembly installation positions, or the m rows of lower cooling flow paths through which the first passage passes are located at the beginning or end of each row of mold core assembly installation positions.
7. A core plate according to claim 1, wherein: The m rows of upper cooling flow paths through which the second passage passes are located at the beginning or end of each row of mold core assembly installation positions, or the m rows of lower cooling flow paths through which the second passage passes are located at the beginning or end of each row of mold core assembly installation positions.
8. A core plate according to claim 1, wherein: The adjacent upper cooling flow paths in communication with each other are in an integrated structure, and the adjacent lower cooling flow paths in communication with each other are in an integrated structure; the adjacent upper cooling flow paths not in communication are in an integrated structure blocked by the blocking members, and the adjacent lower cooling flow paths not in communication are in an integrated structure blocked by the blocking members.
9. A core plate according to claim 1, wherein: The upper cooling flow paths and the lower cooling flow paths are axially spaced apart along the mold core assembly installation positions.
10. A mold core plate assembly characterized by: The mold core assembly and the mold core plate according to any one of claims 1-9 are included, the number of the mold core assemblies is the same as the number of the mold core assembly installation positions, and each mold core assembly is installed in a mold core assembly installation position; when the mold core assembly is installed in the mold core assembly installation position, the lower cooling flow path is in communication with the inside of the mold core cooling pipe, and the upper cooling flow path is in communication with the space between the mold core and the mold core cooling pipe.