Actuating sliding plate, sliding plate set and blank injection mold

Abstract

According to the actuating sliding plate, the sliding plate set and the blank injection mold, the actuating sliding plate extends leftwards and rightwards in the first direction, the actuating sliding plate is sequentially provided with a plurality of first installation positions in the first direction, the outer side of the actuating sliding plate is provided with an installation part protruding outwards, a rolling piece is installed on the installation part, and a rotating shaft of the rolling piece is parallel to the first direction; the mounting part protruding outwards is arranged on the outer side of the actuating sliding plate, the bearing is mounted on the mounting part, the structural strength of the mounting position of the bearing is improved, and therefore the problems that the actuating sliding plate is long and thin, the structural strength of the mounting position of the bearing is insufficient, and deformation is prone to occurring are solved; the top plate assembly performs opening and closing sliding by adopting the actuating sliding plate with a stable structure, so that stable mold opening and closing actions of the injection mold are realized, the quality and the stability of bottle blank injection molding are higher, and the service life of the mold is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, concretely relates to a kind of actuating slide, slide group and injection blank mould. BACKGROUND

[0002] General plastic bottle needs to be formed bottle blank this intermediate product first in the process of manufacturing, and then is formed plastic bottle finished product by bottle blank blow molding processing again.Bottle blank is formed by injection molding process under specific temperature and pressure by injecting raw material into the mold cavity of injection blank mould, under the working condition of injection molding machine.And in order to improve the production efficiency of bottle blank, multiple mold cavities are arranged in injection blank mould, so that injection blank mould can process multiple bottle blanks at a time.The opening and closing mold action of injection blank mould is mainly relied on the top plate assembly, and the existing top plate assembly is shown in the prior art disclosed in the Chinese patent application publication No.CN101304861A, as shown in its Figure 1 As shown, the cam follower is installed at the end of the left connecting rod, and due to the limitation of the size of the mold plate and the number of cavities, the left connecting rod is often relatively long, which has the problem of insufficient structural strength and is prone to deformation, affecting the opening and closing of the mold. UTILITARY MODEL CONTENT

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a kind of actuating slide, slide group and injection blank mould.

[0004] The utility model solves the technical problems thereof by adopting the technical scheme of:

[0005] A kind of actuating slide, the actuating slide extends left and right along the first direction, multiple first installation positions are sequentially provided on the actuating slide along the first direction, the outer side of the actuating slide has outwardly protruding installation part, rolling element is installed on the installation part, and the rotation axis of the rolling element is parallel to the first direction.

[0006] In the utility model, the installation part is arranged at the outer side left end, and / or outer side middle part, and / or outer side right end of the actuating slide.

[0007] In the utility model, the rolling element is rolling bearing, bearing mounting block is installed on the installation part, and the rolling bearing is installed on the left side and / or right side of the bearing mounting block.

[0008] Based on the above-mentioned actuating slide, the utility model further provides a kind of slide group, the slide group includes opening and closing slide assembly, the opening and closing slide assembly includes first actuating slide and second actuating slide, both are the actuating slide described above, and the first installation position of the inner side of both is opposite and can be closed to form mold core assembly installation position.

[0009] Based on the actuating slide provided above, the utility model also provides a slide group, which includes a first actuating slide assembly and a second actuating slide assembly, the first actuating slide assembly includes a first actuating slide and a first conventional slide, the second actuating slide assembly includes a second conventional slide and a second actuating slide, the first actuating slide and the second actuating slide are both the above-mentioned actuating slides, the first conventional slide and the second conventional slide both extend left and right along the first direction and a plurality of second mounting positions are sequentially provided on the inner side along the first direction; the first actuating slide is linked to the second conventional slide, and the first conventional slide is linked to the second actuating slide, the first actuating slide is opposite to the inner side of the first conventional slide and the first mounting position and the second mounting position on the inner side can be closed to form a core assembly mounting position, the second conventional slide is opposite to the inner side of the second actuating slide and the second mounting position and the first mounting position on the inner side can be closed to form a core assembly mounting position.

[0010] In the present invention, the slide group also includes at least one group of conventional slide assemblies, and the conventional slide assemblies include a third conventional slide and a fourth conventional slide, and the third conventional slide and the fourth conventional slide both extend left and right along the first direction and have a plurality of third mounting positions arranged in sequence on the inner side along the first direction; the first actuating slide, the third conventional slide and the second conventional slide are linked, and the first conventional slide, the fourth conventional slide and the second actuating slide are linked, and the inner sides of the third conventional slide and the fourth conventional slide are relative and the inner third mounting positions can be closed to form a core assembly mounting position.

[0011] In the present invention, the skateboard group also includes a linkage assembly, which includes a first linkage bar for connecting two skateboards; when the skateboard group includes a first actuating skateboard assembly and a second actuating skateboard assembly, the first actuating skateboard and the second conventional skateboard, and the first conventional skateboard and the second actuating skateboard are respectively linked through the first linkage bar.

[0012] In the present invention, the linkage assembly further comprises a second linkage bar for connecting the three slides;

[0013] When the slide group includes the first actuating slide assembly, an even number of the conventional slide assemblies, and the second actuating slide assembly: the first actuating slide, the third conventional slide, and the second conventional slide are linked to each other, and the first conventional slide, the fourth conventional slide, and the second actuating slide are linked to each other, and the two adjacent slides are linked to each other via the first linkage bar;

[0014] When the slide plate group comprises the first actuating slide plate assembly, odd-numbered regular slide plate assemblies and the second actuating slide plate assembly, the first actuating slide plate, the third regular slide plate and the second regular slide plate linkage, and the first regular slide plate, the fourth regular slide plate and the second actuating slide plate linkage, the three slide plates at the frontmost or the lastmost adjacent position are linked by the second linkage strip, and the remaining two slide plates at the front and rear adjacent position are linked by the first linkage strip.

[0015] Based on the above-mentioned slide plate group, the utility model also provides a kind of injection blank mould, including movable half mould and fixed half mould, the movable half mould and the fixed half mould are configured to limit multiple bottle blank forming cavity, the movable half mould includes top plate and mould core plate, the top plate is arranged as above-mentioned slide plate group, first guide rail and second guide rail are respectively provided on the mould core plate, when the top plate is slid on the mould core plate along third direction, the first rolling element of the first actuating slide plate rolls along the first guide rail, the second rolling element of the second actuating slide plate rolls along the second guide rail, drives the first actuating slide plate and the second actuating slide plate to slide on the top plate along second direction oppositely or away oppositely.

[0016] In the utility model, mould core assembly is equipped on the mould core plate, the mould core assembly is located in the mould core assembly installation site formed by the slide plate group, first half mould lip is arranged on the first actuating slide plate, the second regular slide plate and the third regular slide plate along first direction, second half mould lip is arranged on the second actuating slide plate, the first regular slide plate and the fourth regular slide plate along first direction, when the first actuating slide plate and the second actuating slide plate slide on the top plate along second direction oppositely or away oppositely, the first half mould lip and corresponding second half mould lip oppositely or away oppositely move, gradually close or away from corresponding mould core assembly, to carry out clamping or opening.

[0017] The utility model has the advantages that: the actuating slide plate is provided with outward protruding mounting portion on the outside, and the bearing is mounted on the mounting portion, so that the mounting position structure strength of the bearing is improved, thereby solving the problems of the actuating slide plate being relatively slender, the mounting position structure strength of the bearing being insufficient, and deformation being prone to occur; the top plate assembly is opened and closed by sliding the stable actuating slide plate, the clamping and opening actions of the stable injection blank mould are realized, the quality and stability of bottle blank injection are higher, and the service life of the mould is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic view of actuating slide plate for example one;

[0019] Figure 2 It is the structural schematic view of slide plate group for example one;

[0020] Figure 3Structure schematic view of the slide plate set of example two;

[0021] Figure 4 Structure schematic view of the slide plate set of example three;

[0022] Figure 5 Structure schematic view of the moving half mold of example three;

[0023] Figure 6 Structure schematic view of the two-connected linkage strip of example three;

[0024] Figure 7 Structure schematic view of the three-connected linkage strip of example three. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application.

[0026] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0027] In addition, if the embodiments of the present application involve descriptions of “first” or “second” and the like, the descriptions of “first” or “second” and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with “first” or “second” can explicitly or implicitly include at least one of the features. In addition, the technical schemes of the various embodiments can be combined with each other, but must be based on the realization of the ordinary skilled person in the art, and when the combination of the technical schemes contradicts each other or cannot be realized, it should be considered that the combination of the technical schemes does not exist, and is also not within the protection scope required by the present application. Example one:

[0028] As Figure 1As shown, the embodiment discloses an actuating slide plate, the inner side of the actuating slide plate 1 has a first mounting position 11, the outer side of the actuating slide plate 1 has an outwardly protruding mounting portion 12, and a rolling member 13 is mounted on the mounting portion 12, wherein the mounting portion 12 is an integral structure with the actuating slide plate 1, or the mounting portion 12 is connected to the actuating slide plate 1 in a detachable or non-detachable manner. The actuating slide plate 1 of the embodiment is provided with the outwardly protruding mounting portion 12 on the outer side, and the rolling member 13 is mounted on the mounting portion 12, so that the mounting position structure strength of the rolling member 13 is improved, thereby solving the problems of the relatively long and slender actuating slide plate 1 and the insufficient mounting position structure strength of the rolling member 13, and the deformation of the rolling member 13 is avoided.

[0029] Specifically, the mounting portion 12 is arranged at the outer side left end, and / or the outer side middle part, and / or the outer side right end of the actuating slide plate 1.

[0030] Specifically, the actuating slide plate 1 extends leftward and rightward along a first direction, the inner side of the actuating slide plate 1 is sequentially provided with a plurality of first mounting positions 11 along the first direction, and the outer side of the actuating slide plate 1 has mounting portions 12 protruding outwardly along a second direction perpendicular to the first direction at both ends.

[0031] Specifically, the rolling member 13 is a rolling bearing, the bottom of the mounting portion 12 is provided with a bearing mounting block 121, and the rolling bearing is mounted on one side of the bearing mounting block 121, or the rolling bearing is respectively mounted on both sides of the bearing mounting block 121, and the axis of the rolling bearing is parallel to the first direction.

[0032] As shown, Figure 2 Based on the above disclosed actuating slide plate, the embodiment further discloses a slide plate set, which comprises an opening and closing slide plate assembly 3, the opening and closing slide plate assembly 3 comprises a first actuating slide plate 31 and a second actuating slide plate 32, and the structures of the first actuating slide plate 31 and the second actuating slide plate 32 are the same as those of the above disclosed actuating slide plate 1; the inner sides of the first actuating slide plate 31 and the second actuating slide plate 32 are oppositely arranged, the mounting portion of the first actuating slide plate 31 protrudes to the front side of the top plate 2, and the mounting portion of the second actuating slide plate 32 protrudes to the rear side of the top plate 2; the first actuating slide plate 31 and the second actuating slide plate 32 slide towards or away from each other on the top plate 2, and the first mounting position 11 of the first actuating slide plate 31 and the first mounting position 11 of the second actuating slide plate 32 are closed to form a mold core assembly mounting position or are oppositely opened.

[0033] The first actuating slide plate 31 and the second actuating slide plate 32 are respectively provided with a first half mold lip and a second half mold lip, and the first actuating slide plate 31 and the second actuating slide plate 32 drive the first half mold lip and the second half mold lip to open or close.

[0034] As shown, Figure 5As shown, based on the above-disclosed slide group, this embodiment further discloses an injection mold, a movable half mold and a fixed half mold, the movable half mold and the fixed half mold are configured to define a plurality of preform molding cavities, the movable half mold includes a top plate 2 and a core plate 4, the top plate 2 is arranged with a slide group as described above, the core plate 4 is respectively provided with a first guide rail 41 and a second guide rail 42, when the top plate 2 slides along the third direction on the core plate 4, the first rolling member of the first actuating slide 31 rolls along the first guide rail 41, and the second rolling member of the second actuating slide 32 rolls along the second guide rail 42, driving the first actuating slide 31 and the second actuating slide 32 to slide toward or away from each other along the second direction on the top plate 2. Example 2:

[0035] like Figure 3 As shown, this embodiment discloses a slide plate assembly, including a first actuating slide plate assembly 5 and a second actuating slide plate assembly 6 arranged in sequence from front to back;

[0036] The first actuating slide assembly 5 includes a first actuating slide 31 and a first conventional slide 51. The structure of the first actuating slide 31 is the same as that of the actuating slide 1 in the first embodiment. The first actuating slide 31 and the first conventional slide 51 are arranged opposite each other on their inner sides. The mounting portion of the first actuating slide 31 protrudes toward the front side of the top plate 2. The inner side of the first conventional slide 51 has a second mounting position 14 that matches the first mounting position 11 of the first actuating slide 31.

[0037] The second actuating slide assembly 6 includes a second conventional slide 61 and a second actuating slide 32. The structure of the second actuating slide 32 is the same as that of the actuating slide 1 in the first embodiment. The second conventional slide 61 and the inner sides of the second actuating slide 32 are arranged opposite to each other. The inner side of the second conventional slide 61 has a second mounting position 14 that is compatible with the first mounting position 11 of the second actuating slide 32. The mounting portion of the second actuating slide 32 protrudes toward the rear side of the top plate 2.

[0038] The first actuating slide 31 is linked to the second conventional slide 61, and the first conventional slide 51 is linked to the second actuating slide 32. The first actuating slide 31 and the first conventional slide 51 in the first actuating slide assembly 5, and the second conventional slide 61 and the second actuating slide 32 in the second actuating slide assembly 6, respectively, slide toward or away from each other synchronously on the top plate 2.

[0039] The first mounting position 11 of the first actuating slide 31 and the second mounting position 14 of the first conventional slide 51 are closed to form a mold core assembly mounting position or are relatively open, and the first mounting position of the second conventional slide 61 and the second mounting position 14 of the second actuating slide 32 are closed to form a mold core assembly mounting position or are relatively open;

[0040] The first actuating slide plate 31 and the first regular slide plate 51 are respectively provided with a first half die lip and a second half die lip, and the first actuating slide plate 31 and the first regular slide plate 51 drive the corresponding first half die lip and second half die lip to open or close.

[0041] The second regular slide plate 61 and the second actuating slide plate 32 are respectively provided with a first half die lip and a second half die lip, and the second regular slide plate 61 and the second actuating slide plate 32 drive the corresponding first half die lip and second half die lip to open or close.

[0042] Specifically, the slide plate group further comprises a linkage assembly, the linkage assembly comprising a first linkage strip 81 for connecting two slide plates; when the slide plate group comprises the first actuating slide plate assembly 5 and the second actuating slide plate assembly 6, the first actuating slide plate 31 and the second regular slide plate 61, and the first regular slide plate 51 and the second actuating slide plate 32 are respectively connected through the first linkage strip 81.

[0043] The linkage assembly further comprises a first sliding strip 71, the first sliding strip 71 extending along the front-rear direction and slidingly arranged on the top plate 2 along the front-rear direction, and the first actuating slide plate 31 and the second regular slide plate 61, and the first regular slide plate 51 and the second actuating slide plate 32 are respectively connected through the first sliding strip 71. Embodiment three:

[0044] As shown in Figure 4 The embodiment discloses a slide plate group, which is arranged in sequence from front to back as the first actuating slide plate assembly 5, at least one group of regular slide plate assemblies 9, and the second actuating slide plate assembly 6; the structure of the first actuating slide plate assembly 5 and the second actuating slide plate assembly 6 in the embodiment is the same as that in embodiment two.

[0045] Among them, the regular slide plate assembly 9 comprises a third regular slide plate 91 and a fourth regular slide plate 92, and the inner sides of the third regular slide plate 91 and the fourth regular slide plate 92 are oppositely arranged, and the inner side of the third regular slide plate 91 and the inner side of the fourth regular slide plate 92 are respectively provided with a third mounting position 15 matched therewith;

[0046] The first actuating slide plate 31, the third regular slide plate 91 and the second regular slide plate 61 are linked, the first regular slide plate 51, the fourth regular slide plate 92 and the second actuating slide plate 32 are linked, the first actuating slide plate 31 in the first actuating slide plate assembly 5, the third regular slide plate 91 and the fourth regular slide plate 92 in the regular slide plate assembly 9, and the second regular slide plate 61 and the second actuating slide plate 32 in the second actuating slide plate assembly 6 are respectively synchronously slid towards each other or away from each other on the top plate 2,

[0047] The first mounting position of the first actuating slide plate 31 and the second mounting position 14 of the first regular slide plate 51 are closed to form a mold core assembly mounting position or are relatively opened, the third mounting position 15 of the third regular slide plate 91 and the third mounting position 15 of the fourth regular slide plate 92 are closed to form a mold core assembly mounting position or are relatively opened, and the second mounting position 14 of the second regular slide plate 61 and the first mounting position of the second actuating slide plate 32 are closed to form a mold core assembly mounting position or are relatively opened.

[0048] The first actuating slide plate 31 and the first regular slide plate 51 are respectively provided with a first half-mold lip and a second half-mold lip, and the first actuating slide plate 31 and the first regular slide plate 51 drive the corresponding first half-mold lip and the second half-mold lip to open or close.

[0049] The mounting position of the third regular slide plate 91 and the fourth regular slide plate 92 are respectively provided with a first half-mold lip and a second half-mold lip, and the mounting position of the third regular slide plate 91 and the fourth regular slide plate 92 drive the corresponding first half-mold lip and the second half-mold lip to open or close.

[0050] The second regular slide plate 61 and the second actuating slide plate 32 are respectively provided with a first half-mold lip and a second half-mold lip, and the second regular slide plate 61 and the second actuating slide plate 32 drive the corresponding first half-mold lip and the second half-mold lip to open or close.

[0051] The linkage assembly further comprises a second linkage bar 82 for connecting the three slide plates; when the slide plate group comprises the first actuating slide plate assembly 5, the even-numbered regular slide plate assembly 9 and the second actuating slide plate assembly 6: between the linkage between the first actuating slide plate 31, the third regular slide plate 91 and the second regular slide plate 61, and between the linkage between the first regular slide plate 51, the fourth regular slide plate 92 and the second actuating slide plate 32, the two slide plates adjacent in front and back are linked through the first linkage bar 81.

[0052] When the slide plate group comprises the first actuating slide plate assembly 5, the odd-numbered regular slide plate assembly 9 and the second actuating slide plate assembly 6: between the linkage between the first actuating slide plate 31, the third regular slide plate 91 and the second regular slide plate 61, and between the linkage between the first regular slide plate 51, the fourth regular slide plate 92 and the second actuating slide plate 32, the three slide plates adjacent in front or back are linked through the second linkage bar 82, and the remaining two slide plates adjacent in front and back are linked through the first linkage bar 81.

[0053] The linkage assembly further comprises a second sliding bar 72, the second sliding bar 72 extends in the front and back direction and is slidably arranged on the top plate 2, and the first actuating slide plate 31, the third regular slide plate 91 and the second regular slide plate 61, and the first regular slide plate 51, the fourth regular slide plate 92 and the second actuating slide plate 32 are respectively connected through the second sliding bar 72.

[0054] In other embodiments, the first actuating slide plate 31 and its corresponding regular slide plate and the second actuating slide plate 32 and its corresponding regular slide plate are connected by the second sliding bar 72, realizing linkage of the first actuating slide plate 31 and its corresponding regular slide plate and linkage of the second actuating slide plate 32 and its corresponding regular slide plate. At this time, the first linkage bar 81 and the second linkage bar 82 are used to distribute the cooling medium, so that the cooling medium is provided to the die lip through the slide plate pair.

[0055] As shown in Figure 6 and Figure 7 In the present embodiment, two linkage bar structures are provided, including a two-linkage bar and a three-linkage bar, wherein the two-linkage bar can connect two slide plates, realizing linkage of the two slide plates; and the three-linkage bar can connect three slide plates, realizing linkage of the three slide plates.

[0056] Based on the above disclosed slide plate group, the present embodiment further discloses a blanking mold. The specific implementation content of the blanking mold of the present embodiment is substantially the same as that of the blanking mold of the first embodiment, and the difference lies in that: the mold core plate 4 is provided with a mold core assembly 43, the mold core assembly 43 is located in the mold core assembly installation position formed by the slide plate group, the first actuating slide plate 31, the second regular slide plate 61 and the third regular slide plate 91 are arranged with first half die lips along the first direction, the second actuating slide plate 32, the first regular slide plate 51 and the fourth regular slide plate 92 are arranged with second half die lips along the first direction, when the first actuating slide plate 31 and the second actuating slide plate 32 slide on the top plate 2 along the second direction towards or away from each other, the first half die lips and the corresponding second half die lips move towards or away from each other, gradually approaching or moving away from the corresponding mold core assembly 43, to perform die closing or die opening.

[0057] The above only describes the preferred embodiments of the present application, and any technical solutions achieving the same purpose by basically the same means are within the protection scope of the present application.

Claims

1. An actuating slide, characterized in that: The actuating slide extends left and right along a first direction, and is provided with a plurality of first mounting positions in sequence along the first direction. The outer side of the actuating slide has a mounting portion protruding outward, and a rolling member is mounted on the mounting portion, and the rotation axis of the rolling member is parallel to the first direction.

2. The actuating slide according to claim 1, characterized in that: The mounting portion is arranged at the outer left end, and / or the outer middle portion, and / or the outer right end of the actuating slide.

3. The actuating slide according to claim 2, characterized in that: The rolling element is a rolling bearing, the mounting portion is mounted with a bearing mounting block, and the rolling bearing is mounted on the left side and / or right side of the bearing mounting block.

4. A skateboard assembly, characterized in that: The slide group includes an opening and closing slide assembly, and the opening and closing slide assembly includes a first actuating slide and a second actuating slide, both of which are actuating slides as described in any one of claims 1 to 3, and the inner sides of the two are opposite and the first mounting position on the inner side can be closed to form a core assembly mounting position.

5. A skateboard assembly, characterized in that: The slide group includes a first actuating slide assembly and a second actuating slide assembly, the first actuating slide assembly includes a first actuating slide and a first conventional slide, the second actuating slide assembly includes a second conventional slide and a second actuating slide, the first actuating slide and the second actuating slide are both actuating slides according to any one of claims 1 to 3, the first conventional slide and the second conventional slide both extend left and right along the first direction and a plurality of second mounting positions are sequentially provided on the inner side along the first direction; the first actuating slide is linked to the second conventional slide, the first conventional slide is linked to the second actuating slide, the first actuating slide is opposite to the inner side of the first conventional slide and the first mounting position and the second mounting position on the inner side can be closed to form a core assembly mounting position, the second conventional slide is opposite to the inner side of the second actuating slide and the second mounting position and the first mounting position on the inner side can be closed to form a core assembly mounting position.

6. The skateboard assembly according to claim 5, characterized in that: The slide group also includes at least one group of conventional slide assemblies, and the conventional slide assemblies include a third conventional slide and a fourth conventional slide. The third conventional slide and the fourth conventional slide both extend left and right along the first direction, and a plurality of third mounting positions are sequentially provided on the inner sides along the first direction; the first actuating slide, the third conventional slide and the second conventional slide are linked together, and the first conventional slide, the fourth conventional slide and the second actuating slide are linked together, and the inner sides of the third conventional slide and the fourth conventional slide are opposite to each other and the inner third mounting positions can be closed to form a core assembly mounting position.

7. The skateboard assembly according to claim 6, characterized in that: The skateboard group also includes a linkage assembly, which includes a first linkage bar for connecting two skateboards; when the skateboard group includes a first actuating skateboard assembly and a second actuating skateboard assembly, the first actuating skateboard and the second conventional skateboard, and the first conventional skateboard and the second actuating skateboard are respectively linked through the first linkage bar.

8. The skateboard assembly according to claim 7, characterized in that: The linkage assembly further includes a second linkage bar for connecting the three slides; When the slide group includes the first actuating slide assembly, an even number of the conventional slide assemblies, and the second actuating slide assembly: the first actuating slide, the third conventional slide, and the second conventional slide are linked to each other, and the first conventional slide, the fourth conventional slide, and the second actuating slide are linked to each other, and the two adjacent slides are linked to each other via the first linkage bar; When the skateboard group includes the first actuating skateboard assembly, the odd number of conventional skateboard assemblies and the second actuating skateboard assembly: the first actuating skateboard, the third conventional skateboard and the second conventional skateboard are linked, and the first conventional skateboard, the fourth conventional skateboard and the second actuating skateboard are linked, the three skateboards located at the front or the back are linked through the second linkage bar, and the remaining two skateboards adjacent to each other in front and behind are linked through the first linkage bar.

9. An injection mold comprising a movable mold half and a fixed mold half, wherein the movable mold half and the fixed mold half are configured to define a plurality of preform molding cavities, characterized in that: The movable half mold includes a top plate and a core plate, and a slide plate group as described in any one of claims 6 to 8 is arranged on the top plate, and a first guide rail and a second guide rail are respectively provided on the core plate. When the top plate slides along the third direction on the core plate, the first rolling member of the first actuating slide plate rolls along the first guide rail, and the second rolling member of the second actuating slide plate rolls along the second guide rail, driving the first actuating slide plate and the second actuating slide plate to slide toward or away from each other along the second direction on the top plate.

10. The injection mold according to claim 9, characterized in that: A core assembly is provided on the core plate, and the core assembly is located in the core assembly installation position formed by the slide group. The first actuating slide, the second conventional slide and the third conventional slide are provided with first half-mold lips along the first direction, and the second actuating slide, the first conventional slide and the fourth conventional slide are provided with second half-mold lips along the first direction. When the first actuating slide and the second actuating slide slide toward or away from each other along the second direction on the top plate, the first half-mold lip and the corresponding second half-mold lip move toward or away from each other, gradually approaching or moving away from the corresponding core assembly, so as to close or open the mold.

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