Injection and blow molding integrated mold

Abstract

The utility model discloses an injection and blow molding integrated mold which comprises a movable seat, a movable mold is arranged on one side of the movable seat, a plurality of clamping spaces capable of being opened and closed in the front-back direction are formed in the movable mold, the clamping spaces are arranged at intervals in the up-down direction, and an injection core plate capable of moving up and down is arranged in the movable seat. Core injection heads are arranged at the positions, right opposite to the multiple clamping spaces, of the core injection plate correspondingly, injection molding openings and air blowing openings are formed in the core injection heads, and the number of the clamping spaces in the vertical direction is larger than that of the core injection heads in the vertical direction. A plurality of injection molding cavities and forming cavities are formed in the side, right opposite to the movable mold, of the fixed mold in the vertical direction at intervals, and the injection molding cavities and the forming cavities are right opposite to the clamping spaces respectively. And the space volume occupied by the whole equipment is reduced, the bottle blank transferring time is shortened, and the whole production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to plastic processing equipment, in particular to an injection-blow molding integrated mold. Background Art

[0002] In the production of blow-molded bottles, it is usually necessary to separately configure an injection mold and a blow mold, and to configure a mechanism for transferring the preforms between the injection mold and the blow mold. During production, the preforms are first injection molded in the injection mold, and then transferred to the blow mold, and then blown into shape in the blow mold, thus forming a whole production line to achieve continuous production. However, the whole production line occupies a large space volume, and requires a large production site, resulting in excessively high production costs. Therefore, there is an urgent need for a plastic processing production mold that occupies a smaller space volume. Utility Model Content

[0003] The utility model aims to provide an injection-blow molding integrated mold to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] The solution of the utility model to solve the technical problem is:

[0005] An integrated injection-blow molding mold comprises: a movable seat, one side of which is provided with a movable mold, the movable mold forming a clamping space that can be opened and closed along the front-back direction, a plurality of the clamping spaces are arranged at intervals along the up-down direction, a core injection plate that is movable up and down is arranged inside the movable seat, core injection heads are respectively arranged at positions opposite to the plurality of the clamping spaces on the core injection plate, the core injection heads are provided with injection ports and blowing ports, the number of the clamping spaces along the up-down direction is greater than the number of the core injection heads along the up-down direction; a fixed mold, a side opposite to the movable mold is provided with a plurality of injection cavities and molding cavities at intervals along the up-down direction, the plurality of the injection cavities and the plurality of the molding cavities are respectively opposite to the plurality of the clamping spaces.

[0006] The technical solution has at least the following beneficial effects: before working, the driving source of the external device is connected to the movable seat to drive the movable seat to approach or move away from the fixed mold, and the clamping space in the movable mold is in an open state. During working, the movable seat is brought close to the fixed mold, and the clamping space in the movable mold is closed to the outside of the core injection head. As the movable mold gradually approaches, the upper and lower core injection heads are respectively inserted into the opposite injection cavity or molding cavity. The closed movable membrane can seal the injection cavity and the molding cavity. At this time, for the core injection head located in the injection cavity, the injection port on the core injection head can be used to inject molded material into the injection cavity. After the preform is molded in the cavity, the movable mold leaves the fixed mold, so that the multiple core injection heads exit the injection cavity or the molding cavity. Since the number of clamping spaces along the up and down directions is greater than the number of core injection heads along the up and down directions, when the core injection plate drives the multiple core injection heads to move upward or downward, the multiple core injection heads can also be moved to a molding cavity respectively. For example, the core injection plate drives the multiple core injection heads to move upward by the distance between the two clamping spaces, so that the core injection heads with the preform molded are moved to the upper clamping space and face the molding cavity. At this time, the movable seat is moved close to the fixed mold. , close the clamping space in the movable mold, clamp the end of the bottle blank, as the movable mold gradually approaches, the upper and lower multiple core injection heads are respectively inserted into the opposite injection cavity or molding cavity, and the bottle blank on the core injection head is also inserted into the opposite molding cavity. The closed movable mold can seal the injection cavity and the molding cavity. At this time, for the bottle blank located in the molding cavity, air can be blown through the blowing port on the core injection head to form the product. For the core injection head located in the injection cavity, injection is also injected into the injection cavity through the injection port on the core injection head to form the bottle blank. After completion, the movable mold leaves the fixed mold, so that The multiple core injection heads are required to exit the injection cavity or the molding cavity. At this time, the core injection plate drives the multiple core injection heads to reset downward, and the above process is repeated. In this way, structures for injection molding and blow molding are directly configured in the movable mold and the fixed mold, so that the bottle blanks can be injection molded in the injection cavity during a single mold closing production, and the products can be blown into the molding cavity at the same time, which reduces the structure of long-distance movement between the traditional injection mold and the blow mold, reduces the overall volume, reduces the space volume occupied by the overall equipment, and reduces the time for transferring the bottle blanks, thereby greatly improving the overall production efficiency.

[0007] As a further improvement of the above technical solution, the core injection head includes a sleeve rod and a core shaft, both of which are hollow structures, the core shaft is located in the sleeve rod, and both ends of the core shaft respectively pass through the two ends of the sleeve rod, one end of the sleeve rod is connected to the core injection plate, and the end of the core shaft facing the fixed mold forms the injection port, and a blowing groove is provided on the inner side of the sleeve rod, and the blowing groove extends to the end of the sleeve rod away from the core injection plate to form the blowing port, and a plurality of blowing grooves are arranged around the core shaft at intervals.

[0008] As a further improvement of the above technical solution, a first hollow section, a second hollow section and a third hollow section connected in sequence from left to right are formed in the sleeve rod, the inner diameter of the second hollow section is larger than the inner diameter of the third hollow section and smaller than the inner diameter of the first hollow section, a piston is fixed on the position of the core shaft located in the first hollow section, the piston divides the space of the first hollow section along the left and right directions, a left air inlet hole connected to the left space of the first hollow section is arranged on the outside of the sleeve rod, a right air inlet hole connected to the right space of the first hollow section is arranged on the outside of the sleeve rod, and a spring is sleeved on the position of the core shaft located in the second hollow section, the spring has a tendency to press the piston away from the injection port.

[0009] As a further improvement of the above technical solution, a tapered section is formed on the outer side of the core shaft facing the blowing port, the outer diameter of the tapered section gradually increases in the direction approaching the injection port, and the tapered section can cover multiple blowing ports.

[0010] As a further improvement of the above technical solution, a connecting plate that can move left and right is connected to the side of the movable seat close to the fixed mold, and the movable mold is connected to the connecting plate.

[0011] As a further improvement of the above technical solution, guide rods are respectively provided on the front and rear sides of the fixed mold, and guide grooves are respectively provided on the top sides of the two guide rods. Guide sections are respectively formed in the two guide grooves, and the two guide sections are inclined toward the direction approaching the fixed mold. A first sliding rod and a second sliding rod are slidably connected on the connecting plate along the front and rear directions. The movable mold includes a front mold connected to the first sliding rod and a rear mold connected to the second sliding rod. The clamping space is formed between the front mold and the rear mold. A front bearing is connected to the front mold located on the front side, and a rear bearing is connected to the rear mold located on the rear side. The front bearing and the rear bearing can enter the two guide grooves respectively.

[0012] As a further improvement of the above technical solution, two first sliding bars are arranged at intervals in the up-down direction, and the upper and lower ends of the front mold are respectively connected to the two first sliding bars.

[0013] As a further improvement of the above technical solution, two second sliding bars are arranged at intervals in the up-down direction, and the upper and lower ends of the rear mold are respectively connected to the two second sliding bars.

[0014] As a further improvement of the above technical solution, a plurality of injection molds are detachably connected to the fixed mold, and the injection cavities are respectively formed on the plurality of injection molds.

[0015] As a further improvement of the above technical solution, a plurality of forming dies are detachably connected to the fixed die, and the forming cavities are respectively formed on the plurality of forming dies. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following is a brief description of the drawings required for the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present utility model, not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0017] Figure 1 It is a front view of the utility model after overall assembly.

[0018] Figure 2 It is a side view of the movable seat of the utility model.

[0019] Figure 3 yes Figure 2 Schematic diagram of the AA cross-section structure.

[0020] Figure 4 yes Figure 3 B is a partial enlarged schematic diagram.

[0021] Figure 5 yes Figure 3 A partial enlarged schematic diagram of C.

[0022] Figure 6 It is a three-dimensional diagram of the fixed mold of the utility model.

[0023] In the accompanying drawings: 100-movable seat, 110-movable mold, 111-clamping space, 112-front mold, 113-rear mold, 114-front bearing, 115-rear bearing, 120-core injection plate, 130-core injection head, 131-injection port, 132-blowing port, 133-sleeve rod, 134-core shaft, 135-piston, 136-spring, 137-tapered section, 140-connecting plate, 141-first slide rod, 142-second slide rod, 200-fixed mold, 210-injection mold, 211-injection cavity, 220-molding mold, 221-molding cavity, 230-guide rod, 231-guide groove. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0028] Reference Figure 1 , Figure 2 and Figure 6, an injection-blow molding integrated mold, comprising a movable seat 100 and a fixed mold 200, wherein a movable mold 110 is arranged on one side of the movable seat 100, the movable mold 110 is formed with a clamping space 111 that can be opened and closed along the front-back direction, and a plurality of the clamping spaces 111 are arranged at intervals along the up-down direction, and a core injection plate 120 that moves up and down is arranged inside the movable seat 100, and core injection heads 130 are respectively arranged at positions of the core injection plate 120 facing the plurality of the clamping spaces 111, and the core injection heads 130 are provided with injection ports 131 and blowing ports 132, and the number of the clamping spaces 111 along the up-down direction is more than the number of the core injection heads 130 along the up-down direction, for example, the total number of the clamping spaces 111 along the up-down direction is one more than the total number of the core injection heads 130 along the up-down direction; the fixed mold 200 faces one of the movable molds 110 A plurality of injection cavities 211 and molding cavities 221 are arranged at intervals along the side in the up-and-down directions, and the plurality of injection cavities 211 and the plurality of molding cavities 221 are respectively opposite to the plurality of clamping spaces 111. In actual applications, the total number of injection cavities 211 and the molding cavities 221 is the same as the number of clamping spaces 111. At this time, each injection cavity 211 and the molding cavity 221 is respectively opposite to a clamping space 111. A plurality of core injection heads 130 arranged on the same vertical line are a core injection group. A plurality of core injection groups on the core injection plate 120 can be arranged in the front-to-back direction. Similarly, a plurality of movable molds 110 are arranged in the front-to-back direction. A plurality of injection cavities 211 and a plurality of molding cavities 221 arranged on the same vertical line are a processing group. A plurality of processing groups can be arranged in the front-to-back direction. This can further increase the number of products processed in a single mold closing operation.

[0029] As can be seen from the above, before working, the driving source of the external device is connected to the movable seat 100 to drive the movable seat 100 to approach or move away from the fixed mold 200, and the clamping space 111 in the movable mold 110 is in an open state. During working, the movable seat 100 is moved close to the fixed mold 200, and the clamping space 111 in the movable mold 110 is closed to the outside of the core injection head 130. As the movable mold 110 gradually approaches, the upper and lower multiple core injection heads 130 are respectively inserted into the opposite injection cavity 211 or the molding cavity 221. The closed movable film can seal the injection cavity 211 and the molding cavity 221. At this time, for the core injection head 130 located in the injection cavity 211, the injection port 131 on the core injection head 130 can be used to inject into the injection cavity 211. 11 and the preform is molded. After completion, the movable mold 110 leaves the fixed mold 200, so that the plurality of core injection heads 130 exit the injection cavity 211 or the molding cavity 221. Since the number of the clamping spaces 111 in the up-down direction is greater than the number of the core injection heads 130 in the up-down direction, when the core injection plate 120 drives the plurality of core injection heads 130 to move upward or downward, the plurality of core injection heads 130 can also be respectively moved into one molding cavity 221. For example, the core injection plate 120 drives the plurality of core injection heads 130 to move upward by the distance between the two clamping spaces 111, so that the core injection heads 130 with the preform molded thereon move into the upper clamping space 111 and face the molding cavity 221. At this time, the movable seat 100 is moved upward. The fixed mold 200 is approached, and the clamping space 111 in the movable mold 110 is closed to clamp the end of the preform. As the movable mold 110 gradually approaches, the upper and lower multiple core injection heads 130 are respectively inserted into the opposite injection cavity 211 or the molding cavity 221, and the preform on the core injection head 130 is also inserted into the opposite molding cavity 221. The closed movable mold 110 can seal the injection cavity 211 and the molding cavity 221. At this time, for the preform located in the molding cavity 221, the blowing port 132 on the core injection head 130 can be blown to form a product. For the core injection head 130 located in the injection cavity 211, the injection port 131 on the core injection head 130 is also used to inject into the injection cavity 211 and form the preform. After completion, the movable mold 110 leaves the fixed mold 200, so that the multiple core injection heads 130 exit the injection cavity 211 or the molding cavity 221. At this time, the core injection plate 120 drives the multiple core injection heads 130 to reset downward, and repeat the above process. In this way, the structures for injection molding and blow molding are directly configured in the movable mold 110 and the fixed mold 200, so that the preform can be injection molded in the injection cavity 211 during a single mold closing production, and the product can be blown into the molding cavity 221 at the same time, which reduces the structure of the traditional injection mold 210 and the blow mold that move over a long distance, reduces the overall volume, reduces the space volume occupied by the overall equipment, and reduces the time for transferring the preform, greatly improving the overall production efficiency.

[0030] For the core injection plate 120 that moves up and down in the movable seat 100, a lifting drive source that drives the core injection plate 120 can be directly configured in the movable seat 100, or an external lifting drive source can be connected to the core injection plate 120 before production and processing. The lifting drive source is mainly used to provide a driving force for movement in the up and down directions, and its structural forms are various, such as a cylinder, an electric push rod or a hydraulic cylinder. In order to improve the activity stability of the core injection plate 120, the core injection plate 120 can be slidably connected to the movable seat 100, for example, a slide rail is set in one of the core injection plate 120 or the movable seat 100, and a slide groove is set in the other, and the sliding connection between the two is achieved through the mutual cooperation of the slide rail and the slide groove.

[0031] The core injection head 130 can be used for injection molding or blowing, and can be selected according to different usage requirements. For example, the material pipe used for injection molding and the blowing pipe can be directly connected to the core injection head 130. In order to improve the processing effect, Figure 3 As shown, in this embodiment, the core injection head 130 includes a sleeve rod 133 and a core shaft 134, both of which are hollow structures. The core shaft 134 is located in the sleeve rod 133, and both ends of the core shaft 134 pass through the two ends of the sleeve rod 133 respectively. One end of the sleeve rod 133 is connected to the core injection plate 120, and the core shaft 134 is facing the end of the fixed mold 200 to form the injection port 131. The inner side of the sleeve rod 133 is provided with a blowing groove, and the blowing groove extends to the end of the sleeve rod 133 away from the core injection plate 120 to form the blowing port 132. A plurality of blowing grooves are arranged at intervals around the core shaft 134. In actual application, the core injection head 130 can be inserted into the core injection plate 120 for installation, so that the overall structure is more compact. At this time, there is an installation space in the core injection plate 120 to accommodate the core shaft 134 protruding from the end of the sleeve rod 133, and an injection channel for injection molding needs to be provided in the core injection plate 120. The injection channel extends to one end of the core shaft 134 located in the core injection plate 120, and a seal is installed in the installation space. The seal is sleeved on the outer side of the end of the core shaft 134 protruding from the sleeve rod 133, thereby assisting in sealing the injection channel and preventing the material in the injection channel from flowing into the installation space. In addition, an air inlet channel for blowing is also required to be provided in the core injection plate 120, and the air inlet channel is connected to the blowing groove inside the sleeve rod 133.

[0032] In the core injection head 130 of the above embodiment, when it is necessary to inject into the injection cavity 211, the material is input from the core shaft 134 at one end of the core injection plate 120, and the material passes through the hollow core shaft 134 and is input into the injection cavity 211 from the other end of the core shaft 134; for the blowing groove on the inner side of the sleeve rod 133, it extends to the end of the sleeve rod 133 away from the core injection plate 120, and forms a blowing port 132 at the end position. When it is necessary to blow air into the molding cavity 221, air is blown inward from the outside of the sleeve rod 133, and the air flow in the sleeve rod 133 enters the multiple blowing grooves and is output outward from the blowing port 132 formed by the multiple blowing grooves. In this way, multi-point air outlet is achieved during blow molding, thereby improving the quality of blow molding.

[0033] In the above embodiment, when the preform needs to be blow molded, the preform formed on the outside of the core shaft 134 is usually blow molded directly. In order to improve the molding quality, Figure 4As shown, in this embodiment, the sleeve rod 133 is formed with a first hollow section, a second hollow section and a third hollow section connected in sequence from left to right, the inner diameter of the second hollow section is larger than the inner diameter of the third hollow section and smaller than the inner diameter of the first hollow section, the core shaft 134 is located at the position of the first hollow section and a piston 135 is fixed thereon, the piston 135 divides the space of the first hollow section along the left and right directions, the outer side of the sleeve rod 133 is provided with a left air inlet hole connected to the left space of the first hollow section, the outer side of the sleeve rod 133 is provided with a right air inlet hole connected to the right space of the first hollow section, the core shaft 134 is located at the position of the second hollow section and a spring 136 is sleeved thereon, the spring 136 has a tendency to press the piston 135 away from the injection port 131. Since the inner diameter of the second hollow section is larger than that of the third hollow section, a first annular step is formed at the junction of the second hollow section and the third hollow section. Similarly, since the inner diameter of the second hollow section is smaller than that of the first hollow section, a second annular step is formed at the junction of the second hollow section and the first hollow section. When installing the spring 136, one end of the spring 136 can be pressed against the first annular step, so that the other end of the spring 136 can be stably pressed against the piston 135, and the piston 135 moves in the first hollow section. The second annular step can be used to limit the rightward movement of the piston 135. When the preform enters the molding cavity 221 for blow molding, air can be ventilated to the left air inlet first. At this time, the first hollow section is The air pressure at the left side of the piston 135 is higher, so the piston 135 can be pushed to the right. At this time, the piston 135 compresses the spring 136 and drives the core shaft 134 to move to the right. The bottle blank is extended to the right by the core shaft 134, and then gas is input from the right air inlet. The gas enters the position on the right side of the piston 135 in the first hollow section, and then blown out from multiple blowing grooves to achieve blow molding of the bottle blank. This can effectively improve the quality of blow molding of the bottle blank. When the blow molding is completed, stop supplying air from the left and right air inlets. At this time, after the pressure on the piston 135 is removed, the thrust of the spring 136 restores the piston 135 to the left, driving the piston 135 and the core shaft 134 to reset to prepare for the next blow molding.

[0034] In the above embodiment, the blowing port 132 can be directly exposed at the end of the core shaft 134 protruding from the sleeve rod 133. When injection molding is required, the material in the injection cavity 211 is easy to enter the blowing port 132 and block the inside of the blowing port 132, affecting the subsequent blowing process. Therefore, in this embodiment, if Figure 5As shown, a tapered section 137 is formed on the outer side of the core shaft 134 at a position directly opposite to the blowing port 132, and the outer diameter of the tapered section 137 gradually increases in the direction approaching the injection port 131, and the tapered section 137 can cover a plurality of the blowing ports 132. In actual applications, an annular tapered surface is also formed on the inner side of the end of the sleeve rod 133 where the blowing port 132 is arranged, and the blowing groove extends to the tapered surface and passes through the tapered surface. The shape of the tapered surface is adapted to the shape of the tapered section 137, so that the tapered section 137 can be closer to the end position of the sleeve rod 133, thereby improving the effect of covering and sealing the blowing port 132. During injection molding, since there is no need to introduce high-pressure gas from the left air inlet to the left side of the piston 135, the piston 135 will not drive the core shaft 134 to move to the right. The tapered section 137 can keep the multiple blowing ports 132 blocked and closed. This can effectively reduce the intrusion of materials from the blowing ports 132 during injection molding and reduce the risk of materials blocking the blowing groove. When the bottle blank needs to be blow-molded, high-pressure gas is introduced into the left air inlet to push the piston 135 to the right. The piston 135 drives the core shaft 134 to move to the right. At this time, the tapered section 137 is away from the multiple blowing ports 132, and the blocking of the multiple blowing ports 132 can be released. In this way, the gas can be blown smoothly from the multiple blowing ports 132 into the blow molding cavity, and the blowing ports 132 can be flexibly blocked and opened, which greatly improves the stability of the injection core head 130 during use.

[0035] After the product is blow-molded, the core injection plate 120 drives the multiple core injection heads 130 to exit the molding cavity 221, and then the movable mold 110 opens the multiple clamping spaces 111. At this time, the product molded on the core injection head 130 can fall from the core shaft 134 under the action of gravity. In order to ensure that all molded products can fall from the core injection head 130, in this embodiment, the movable seat 100 is connected to a side close to the fixed mold 200 with a connecting plate 140 that can move left and right. The movable mold 110 is connected to the connecting plate 140. In actual application, the connecting plate 140 is a structural form that can move left and right. There are many kinds. A translation driving source can be directly configured in the movable seat 100, and the translation driving source drives the connecting plate 140 to drive the connecting plate 140 to move left and right. Alternatively, a translation driving source can be installed outside the movable seat 100, and the translation driving source extends into the movable seat 100 and is connected to the connecting plate 140, thereby driving the connecting plate 140 to move left and right. The main function of the translation driving source is to provide a driving force for movement along the left and right directions. There are many structural forms, such as an electric push rod, a cylinder or a hydraulic cylinder, and in order to further improve the stability of the movement of the connecting plate 140, the connecting plate 140 can be slidably connected to the movable seat 100. After the product is processed and formed, the movable seat 100 leaves the fixed mold 200 for demolding, and the molded product is separated from the molding cavity 221. The multiple clamping spaces 111 in the movable mold 110 are opened. At this time, the connecting plate 140 in the movable seat 100 moves to the right, driving the opened movable mold 110 to move to the right. When there is still a product that has not fallen off the core shaft 134, the movable mold 110 will push the product out of the core shaft 134, and then the connecting plate 140 will move to the left and reset. This can effectively ensure that the product can be completely dropped from the core injection head 130 after each demolding, avoid affecting the next processing, and further improve the stability of the overall processing.

[0036] When the clamping space 111 in the movable mold 110 needs to be opened and closed, a driving structure can be provided in the movable mold 110 to open or close the clamping space 111. In order to reduce the driving source, a guiding structure can be provided between the movable mold 110 and the fixed mold 200, so as to convert the power of the movable mold 110 and the fixed mold 200 being relatively close to each other into the power to drive the movable mold 110 to move. Specifically, the front and rear sides of the fixed mold 200 are respectively provided with guiding rods 230, and the top sides of the two guiding rods 230 are respectively provided with guiding grooves 231, and the two guiding grooves 231 are respectively formed with guiding sections, and the two guiding sections are both oriented toward the fixed mold 200. The fixed mold 200 is inclined and approached, and the connecting plate 140 is slidably connected with a first slide bar 141 and a second slide bar 142 along the front-to-back direction. The movable mold 110 includes a front mold 112 connected to the first slide bar 141 and a rear mold 113 connected to the second slide bar 142. The clamping space 111 is formed between the front mold 112 and the rear mold 113. The front mold 112 located on the front side is connected with a front bearing 114, and the rear mold 113 located on the rear side is connected with a rear bearing 115. The front bearing 114 and the rear bearing 115 can enter the two guide grooves 231 respectively. In practical applications, the guide groove 231 includes a first straight section, a guide section, and a second straight section connected in sequence. The first straight section runs through the end of the guide rod 230 close to the movable mold 110. The first straight section and the second straight section both extend in the left-right direction. The first straight section can improve the stability of the front bearing 114 and the rear bearing 115 entering the guide groove 231. The front bearing 114 and the rear bearing 115 are then guided by the guide section. Finally, the front bearing 114 and the rear bearing 115 are guided by the third straight section. In addition, when there is only one movable mold 110, the front bearing 114 is connected to the front side of the front mold 112 of the movable mold 110, and the rear bearing 115 is connected to the rear side of the rear mold 113 of the movable mold 110. When there are multiple movable molds 110 along the front and rear directions, the front bearing 114 is connected to the front side of the front mold 112 of the movable mold 110 located at the frontmost side, and the rear bearing 115 is connected to the rear side of the rear mold 113 of the movable mold 110 located at the rearmost side.

[0037] In the implementation manner in which the movable mold 110 realizes the opening and closing of the clamping space 111, the movable seat 100 is moved close to the fixed mold 200. At this time, the front bearing 114 and the rear bearing 115 respectively enter the guide grooves 231 of the two guide rods 230. Under the guiding effect of the inclined guide grooves 231 on the front bearing 114 and the rear bearing 115, the front mold 112 located at the front side can be driven to slide on the connecting plate 140 through the first slide bar 141, and the rear mold 113 located at the rear side can slide on the connecting plate 140 through the second slide bar 142, so that the front mold 112 and the rear mold 113 are brought close to each other and the multiple clamping spaces 111 are closed. When there are multiple movable molds 110, the front molds 112 of the multiple movable molds 110 are respectively connected to the first slide bar 141, and the multiple movable molds 110 are The rear mold 113 is also connected to the second slide bar 142 respectively. The first slide bar 141 and the second slide bar 142 can respectively drive multiple movable molds 110 to open the clamping space 111 at the same time. Similarly, when the movable seat 100 is moved away from the fixed mold 200, the front bearing 114 and the rear bearing 115 respectively withdraw from the guide groove 231 of the two guide rods 230. Under the guiding effect of the inclined guide groove 231 on the front bearing 114 and the rear bearing 115, the front mold 112 and the rear mold 113 can be driven away from each other, thereby realizing the opening of multiple clamping spaces 111. In this way, the driving force provided for the translational movement of the movable seat 100 is simultaneously converted into the power to drive the opening and closing of multiple clamping spaces 111 in the movable mold 110, thereby reducing the driving source, better controlling the volume of the entire mold, and being more practical.

[0038] The number of the first slide bar 141 may be only one, and in this case the first slide bar 141 may be relatively set at the top, middle or bottom of the front mold 112. When there are multiple movable molds 110, the first slide bar 141 needs to be relatively set at the top or bottom of the front mold 112. In this case, the sliding stability of the front mold 112 will be reduced. In order to improve the sliding stability of the front mold 112, in this embodiment, two first slide bars 141 are arranged at intervals along the up and down directions, and the upper and lower ends of the front mold 112 are respectively connected to the two first slide bars 141. When the front mold 112 moves forward and backward, its upper and lower ends slide on the connecting plate 140 respectively through the first slide bar 141, which greatly improves the stability of the movement of the front mold 112, thereby further improving the product production quality.

[0039] The number of the second slide bar 142 may be only one, and in this case the second slide bar 142 may be relatively arranged at the top, middle or bottom of the rear mold 113. When there are multiple movable molds 110, the second slide bar 142 needs to be relatively arranged at the top or bottom of the rear mold 113. In this case, the sliding stability of the rear mold 113 will be reduced. In order to improve the sliding stability of the rear mold 113, in this embodiment, two second slide bars 142 are arranged at intervals along the up and down directions, and the upper and lower ends of the rear mold 113 are respectively connected to the two second slide bars 142. When the rear mold 113 moves forward and backward, its upper and lower ends slide on the connecting plate 140 respectively through the first slide bar 141, which greatly improves the stability of the movement of the rear mold 113, thereby further improving the production quality of the product.

[0040] The injection cavity 211 can be directly formed on the fixed mold 200. When different products need to be produced, the entire fixed mold 200 needs to be disassembled. In addition, the precision requirement is also high when the fixed mold 200 is processed to form the injection cavity 211. In order to improve the convenience of molding the fixed mold 200, in this embodiment, the fixed mold 200 is detachably connected with a plurality of injection molds 210. For example, the injection mold 210 can be fixed to the fixed mold 200 by snapping, or by driving screws or bolts and other connectors to the fixed mold 200. The injection cavity 211 is formed on the plurality of injection molds 210. In this way, when it is necessary to change the production of products of different specifications, the injection mold 210 can be directly disassembled from the fixed mold 200 without replacing the entire fixed mold 200. It is more convenient during the overall production and assembly. It only needs to adjust the installation position of the injection mold 210 on the fixed mold 200 to improve the user experience.

[0041] The molding cavity 221 can be directly molded on the fixed mold 200. When different products need to be produced, the entire fixed mold 200 needs to be disassembled. In addition, the precision requirement is also high when the molding cavity 221 is formed on the fixed mold 200. In order to improve the convenience of molding the fixed mold 200, the fixed mold 200 is detachably connected with a plurality of molding molds 220. For example, the molding mold 220 can be fixed to the fixed mold 200 by snap-fitting, or fixed to the fixed mold 200 by driving screws or bolts and other connectors. The molding cavities 221 are respectively formed on the plurality of molding molds 220. In this way, when it is necessary to change the production of products of different specifications, the molding mold 220 can be directly disassembled from the fixed mold 200 without replacing the entire fixed mold 200. It is more convenient during the overall production and assembly. It is only necessary to adjust the installation position of the molding mold 220 on the fixed mold 200, thereby improving the user experience.

[0042] The preferred implementation modes of the present invention are specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. An injection blow molding integrated mold, characterized in that: include: A movable seat (100) is provided with a movable mold (110) on one side, the movable mold (110) is formed with a clamping space (111) that can be opened and closed in the front-back direction, a plurality of the clamping spaces (111) are arranged at intervals in the up-down direction, a core injection plate (120) that can move up and down is arranged inside the movable seat (100), core injection heads (130) are respectively arranged at positions of the core injection plate (120) facing the plurality of the clamping spaces (111), the core injection heads (130) are provided with an injection port (131) and a blowing port (132), and the number of the clamping spaces (111) in the up-down direction is greater than the number of the core injection heads (130) in the up-down direction; The fixed mold (200) has a plurality of injection cavities (211) and molding cavities (221) spaced apart in the up-down direction on one side facing the movable mold (110), and the plurality of injection cavities (211) and the plurality of molding cavities (221) respectively face the plurality of clamping spaces (111).

2. The injection-blow molding integrated mold according to claim 1, characterized in that: The core injection head (130) comprises a sleeve rod (133) and a core shaft (134). Both the sleeve rod (133) and the core shaft (134) are hollow structures. The core shaft (134) is located inside the sleeve rod (133). Two ends of the core shaft (134) respectively pass through two ends of the sleeve rod (133). One end of the sleeve rod (133) is connected to the core injection plate (120). One end of the core shaft (134) faces the fixed mold (200) to form the injection port (131). An air blowing groove is arranged on the inner side of the sleeve rod (133). The air blowing groove extends to one end of the sleeve rod (133) away from the core injection plate (120) to form the air blowing port (132). A plurality of air blowing grooves are arranged at intervals around the core shaft (134).

3. The one-piece injection-blow molding mold according to claim 2, characterized in that: The sleeve rod (133) is formed with a first hollow section, a second hollow section and a third hollow section which are connected in sequence from left to right. The inner diameter of the second hollow section is larger than the inner diameter of the third hollow section and smaller than the inner diameter of the first hollow section. The core shaft (134) is located in the first hollow section and is fixed with a piston (135). The piston (135) divides the space of the first hollow section in the left and right directions. The outer side of the sleeve rod (133) is provided with a left air inlet hole which is connected to the left space of the first hollow section. The outer side of the sleeve rod (133) is provided with a right air inlet hole which is connected to the right space of the first hollow section. The core shaft (134) is located in the second hollow section and is sleeved with a spring (136). The spring (136) has a tendency to press the piston (135) away from the injection port (131).

4. The injection-blow molding integrated mold according to claim 3, characterized in that: A tapered section (137) is formed on the outer side of the core shaft (134) at a position directly opposite to the blowing port (132), and the outer diameter of the tapered section (137) gradually increases in a direction approaching the injection port (131), and the tapered section (137) can cover a plurality of the blowing ports (132).

5. The injection-blow molding integrated mold according to claim 1, characterized in that: A connecting plate (140) that can move leftward and rightward is connected to one side of the movable seat (100) close to the fixed mold (200), and the movable mold (110) is connected to the connecting plate (140).

6. The one-piece injection-blow molding mold according to claim 5, characterized in that: The fixed mold (200) is provided with guide rods (230) on both the front and rear sides, and the top sides of the two guide rods (230) are provided with guide grooves (231), and the two guide grooves (231) are respectively formed with guide sections, and the two guide sections are inclined toward the direction of approaching the fixed mold (200). The connecting plate (140) is slidably connected with a first sliding rod (141) and a second sliding rod (142) in the front and rear directions. The movable mold (110) includes a first sliding rod (141) and a second sliding rod (142) connected to the first sliding rod (141). 141), and a rear mold (113) connected to the second slide bar (142), wherein the clamping space (111) is formed between the front mold (112) and the rear mold (113), a front bearing (114) is connected to the front mold (112) located on the front side, and a rear bearing (115) is connected to the rear mold (113) located on the rear side, and the front bearing (114) and the rear bearing (115) can enter the two guide grooves (231) respectively.

7. The one-piece injection-blow molding mold according to claim 6, characterized in that: Two first sliding bars (141) are arranged at intervals in the up-down direction, and the upper and lower ends of the front mold (112) are respectively connected to the two first sliding bars (141).

8. The one-piece injection-blow molding mold according to claim 6, characterized in that: Two second sliding bars (142) are arranged at intervals in the up-down direction, and the upper and lower ends of the rear mold (113) are respectively connected to the two second sliding bars (142).

9. The one-piece injection-blow molding mold according to claim 1, characterized in that: A plurality of injection molds (210) are detachably connected to the fixed mold (200), and the injection cavities (211) are respectively formed on the plurality of injection molds (210).

10. The one-piece injection-blow molding mold according to claim 1, characterized in that: A plurality of molding dies (220) are detachably connected to the fixed mold (200), and the molding cavities (221) are respectively formed on the plurality of molding dies (220).

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