Reciprocating rod core-pulling tooth retreating structure

Abstract

The utility model relates to the technical field of core pulling and tooth withdrawing, and discloses a rifle rod core pulling and tooth withdrawing structure, which comprises a first lower die and an upper die, a second lower die is arranged between the first lower die and the upper die, a sliding rail is arranged outside the second lower die, an air cylinder is fixedly connected inside the first lower die, and the air cylinder is fixedly connected inside the upper die. A core-pulling tooth retreating mechanism is arranged in the first lower mold, an auxiliary lubricating mechanism is arranged in the first lower mold, in the using process, a rod body is reset through movement of a rotating block in a matched mode, a power source is conveniently provided for the follow-up core-pulling tooth retreating process in the mold opening process, and therefore the structural compactness is improved; and the driven gear is matched, so that the tooth core can slide and rotate conveniently in the mold opening process, therefore, tooth retreating in a product body is achieved, the positioning accuracy is improved, meanwhile, follow-up stripping is facilitated, and the reset rod body can be lubricated conveniently through work of the electromagnet and cooperation of the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of core-pulling and tooth-removing, in particular to a rifled rod core-pulling and tooth-removing structure. Background Technique

[0002] With the increasing requirements for injection-molded products and the increasingly complex product structures, when some products have integral internal threads and cannot be forcefully ejected, it is necessary to unscrew the internal threads to enable the products to be smoothly demolded. During the mold-opening process, it is often necessary to cooperate with a core-pulling and tooth-removing structure for production and processing.

[0003] In the prior art, due to deviations in rotational positioning during the mold-opening process and high costs, the internal thread core-pulling structure is unstable, and the equipment occupies a large space. Therefore, it is necessary to improve a rifled rod core-pulling and tooth-removing structure to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a rifled rod core-pulling and tooth-removing structure to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A rifled rod core-pulling and tooth-removing structure, including a first lower mold and an upper mold, a second lower mold is arranged between the first lower mold and the upper mold, a slide rail is arranged outside the second lower mold, a cylinder is fixedly connected inside the first lower mold, a core-pulling and tooth-removing mechanism is arranged inside the first lower mold, and an auxiliary lubrication mechanism is arranged inside the first lower mold;

[0006] The core-pulling and tooth-removing mechanism includes a core-pulling component and a tooth-removing component. The core-pulling component is arranged inside the first lower mold, and the tooth-removing component is arranged inside the second lower mold.

[0007] Preferably, the core-pulling component includes a rifled rod body, the rifled rod body is fixedly connected inside the upper mold, a rotating block is rotatably connected inside the first lower mold, a main gear is fixedly connected to the outside of the rotating block, a wear-resistant connecting platform is rotatably connected inside the second lower mold, and a pressing block is slidably connected inside the wear-resistant connecting platform, which is convenient for providing a power source for the subsequent core-pulling and tooth-removing process during the mold-opening process, thereby increasing the structural compactness and reducing the occupied space.

[0008] Preferably, the rotating block is threadedly connected to the rifled rod body, and a bolt is arranged between the wear-resistant connecting platform and the pressing block, which is convenient for the use process to be more stable.

[0009] Preferably, the tooth-removing assembly includes a core, which is movably connected inside the wear-resistant connecting platform. A driven gear is fixedly connected to the outside of the core. A rear mold is movably connected to the outside of the core. A butting head is arranged on the right side of the rear mold. A front mold is fixedly connected inside the upper mold. A product body is arranged between the butting head and the front mold, which facilitates the realization of the sliding and rotational movements of the core during the mold opening process, thereby realizing tooth removal inside the product body. At the same time, the movements of the rear mold and the butting head are realized to achieve the core-pulling process, increasing the positioning accuracy and facilitating subsequent material removal.

[0010] Preferably, the pressing block contacts the core. Grooves are formed at the corresponding positions of the core and the rear mold, and the rear mold contacts the core. The driven gear meshes with the main gear. The front mold contacts the butting head. The rear mold is rotatably connected to the second lower mold, which facilitates a more stable core-pulling and tooth-removing process.

[0011] Preferably, the auxiliary lubrication mechanism includes a connecting box, which is fixedly connected inside the first lower mold. A connecting pipe is fixedly connected to the left side of the connecting box. A liquid outlet pipe is fixedly connected to the bottom of the connecting box. An electromagnet is fixedly connected inside the connecting box. A spring is fixedly connected to the bottom of the electromagnet. A movable block is fixedly connected to the bottom of the spring. An adsorption block is fixedly connected to the top of the movable block, which facilitates the lubrication of the reamer body, thereby increasing the service life of the device and avoiding damage caused by lack of lubrication during use.

[0012] Preferably, grooves are formed at the corresponding positions of the connecting box and the movable block, and the movable block is slidably connected inside the grooves, which facilitates a more stable lubrication process.

[0013] Compared with the prior art, the present utility model provides a reamer core-pulling and tooth-removing structure, which has the following beneficial effects:

[0014] 1. For the reamer core-pulling and tooth-removing structure, through the arranged core-pulling and tooth-removing mechanism, during use, through the movement of the arranged rotating block, cooperating with the reamer body, it is convenient to provide a power source for the subsequent core-pulling and tooth-removing process during the mold opening process, thereby increasing the structural compactness and reducing the occupied space. Through the rotation of the arranged main gear, cooperating with the driven gear, it is convenient to realize the sliding and rotational movements of the core during the mold opening process, thereby realizing tooth removal inside the product body. At the same time, the movements of the rear mold and the butting head are realized to achieve the core-pulling process, increasing the positioning accuracy and facilitating subsequent material removal.

[0015] 2. For the reamer core-pulling and tooth-removing structure, through the arranged auxiliary lubrication mechanism, during use, through the operation of the arranged electromagnet, cooperating with the spring, it is convenient to lubricate the reamer body, thereby increasing the service life of the device and avoiding damage caused by lack of lubrication during use. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0017] Figure 1 It is a front structure schematic diagram of the present utility model;

[0018] Figure 2 It is a sectional structure schematic diagram of the present utility model;

[0019] Figure 3 It is an internal structure schematic diagram of the present utility model;

[0020] Figure 4 It is a structure schematic diagram of the core-pulling assembly of the present utility model;

[0021] Figure 5 It is a structure schematic diagram of the tooth-removing assembly of the present utility model;

[0022] Figure 6 It is an exploded structure schematic diagram of the tooth-removing assembly of the present utility model;

[0023] Figure 7 It is a structure schematic diagram of the auxiliary lubrication mechanism of the present utility model;

[0024] Figure 8 It is a sectional structure schematic diagram of the auxiliary lubrication mechanism of the present utility model.

[0025] In the figure: 1, the first lower mold; 2, the upper mold; 3, the second lower mold; 4, the slide rail; 5, the cylinder; 6, the core-pulling and tooth-removing mechanism; 61, the core-pulling assembly; 611, the body of the reciprocating rod; 612, the rotating block; 613, the main gear; 614, the wear-resistant connecting platform; 615, the pressing block; 62, the tooth-removing assembly; 621, the tooth core; 622, the driven gear; 623, the rear mold; 624, the abutting head; 625, the front mold; 626, the product body; 7, the auxiliary lubrication mechanism; 71, the connecting box; 72, the connecting pipe; 73, the liquid outlet pipe; 74, the electromagnet; 75, the spring; 76, the movable block; 77, the adsorption block. Specific embodiments

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0027] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] Please refer to Figures 1-6 , the present utility model provides a technical solution: a rifled rod core-pulling and tooth-removing structure, including a first lower mold 1 and an upper mold 2. A second lower mold 3 is arranged between the first lower mold 1 and the upper mold 2. A slide rail 4 is arranged outside the second lower mold 3. A cylinder 5 is fixedly connected inside the first lower mold 1. A core-pulling and tooth-removing mechanism 6 is arranged inside the first lower mold 1. An auxiliary lubrication mechanism 7 is arranged inside the first lower mold 1;

[0030] The core-pulling and tooth-removing mechanism 6 includes a core-pulling component 61 and a tooth-removing component 62. The core-pulling component 61 is arranged inside the first lower mold 1, and the tooth-removing component 62 is arranged inside the second lower mold 3.

[0031] Furthermore, the core-pulling component 61 includes a rifled rod body 611. The rifled rod body 611 is fixedly connected inside the upper mold 2. A rotating block 612 is rotatably connected inside the first lower mold 1. A main gear 613 is fixedly connected to the outside of the rotating block 612. A wear-resistant connecting platform 614 is rotatably connected inside the second lower mold 3. A pressing block 615 is slidably connected inside the wear-resistant connecting platform 614, which is convenient for providing a power source for the subsequent core-pulling and tooth-removing process during the mold opening process, thereby increasing the structural compactness and reducing the occupied space.

[0032] Furthermore, the rotating block 612 is threadedly connected to the rifled rod body 611, and a bolt is arranged between the wear-resistant connecting platform 614 and the pressing block 615, which is convenient for more stable use.

[0033] Further, the tooth withdrawing assembly 62 includes a tooth core 621 movably connected inside the wear-resistant connecting platform 614. A driven gear 622 is fixedly connected to the outside of the tooth core 621. A rear mold 623 is movably connected to the outside of the tooth core 621. A butt joint 624 is arranged on the right side of the rear mold 623. A front mold 625 is fixedly connected inside the upper mold 2. A product body 626 is arranged between the butt joint 624 and the front mold 625, facilitating the realization of the sliding and rotational movements of the tooth core 621 during the mold opening process, thereby realizing tooth withdrawal inside the product body 626, and simultaneously realizing the movement of the rear mold 623 and the butt joint 624 to achieve the core pulling process, increasing the positioning accuracy and facilitating subsequent material removal.

[0034] Further, the pressing block 615 contacts the tooth core 621. Grooves are formed at the corresponding positions of the tooth core 621 and the rear mold 623, and the rear mold 623 contacts the tooth core 621. The driven gear 622 meshes with the main gear 613. The front mold 625 contacts the butt joint 624. The rear mold 623 is rotatably connected to the second lower mold 3, facilitating a more stable core pulling and tooth withdrawal process.

[0035] Embodiment 2:

[0036] Please refer to Figures 7-8 and, in combination with Embodiment 1, it is further obtained that the auxiliary lubrication mechanism 7 includes a connection box 71 fixedly connected inside the first lower mold 1. A connection pipe 72 is fixedly connected to the left side of the connection box 71. A liquid outlet pipe 73 is fixedly connected to the bottom of the connection box 71. An electromagnet 74 is fixedly connected inside the connection box 71. A spring 75 is fixedly connected to the bottom of the electromagnet 74. A movable block 76 is fixedly connected to the bottom of the spring 75. An adsorption block 77 is fixedly connected to the top of the movable block 76, facilitating the lubrication of the reciprocating rod body 611, thereby increasing the service life of the device and avoiding damage caused by lack of lubrication during use.

[0037] Further, grooves are formed at the corresponding positions of the connection box 71 and the movable block 76, and the movable block 76 is slidably connected inside the grooves, facilitating a more stable lubrication process.

[0038] In the actual operation process, when this device is used, first, the cylinder 5 is set to work, and in cooperation with the slide rail 4, the first lower mold 1, the upper mold 2, and the second lower mold 3 are combined. Through the cooperation between the rear mold 623, the abutting head 624, and the front mold 625, the injection molding of the product body 626 is realized. When the processing is completed, the mold opening process starts, and the first lower mold 1, the upper mold 2, and the second lower mold 3 are separated. By increasing the distance between the first lower mold 1 and the upper mold 2, the rotating block 612 moves. Through the movement of the rotating block 612, in cooperation with the reciprocating rod body 611, the main gear 613 rotates. By the rotation of the main gear 613, in cooperation with the driven gear 622, the core 621 rotates, so that the wear-resistant connecting table 614 rotates inside the second lower mold 3. In cooperation with the second lower mold 3, the rear mold 623 moves outside the core 621, so that the abutting head 624 and the front mold 625 are separated. The connecting pipe 72 is connected to the lubricating oil tank. By the operation of the electromagnet 74, in cooperation with the spring 75, the adsorption block 77 moves, so that the movable block 76 moves.

[0039] It should be noted that in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

Claims

1. A rifled rod core-pulling and tooth-removing structure, comprising a first lower die (1) and an upper die (2), characterized in that: A second lower die (3) is arranged between the first lower die (1) and the upper die (2). A slide rail (4) is arranged outside the second lower die (3). A cylinder (5) is fixedly connected inside the first lower die (1). A core-pulling and tooth-removing mechanism (6) is arranged inside the first lower die (1). An auxiliary lubrication mechanism (7) is arranged inside the first lower die (1). The core-pulling and tooth-removing mechanism (6) includes a core-pulling component (61) and a tooth-removing component (62). The core-pulling component (61) is arranged inside the first lower die (1), and the tooth-removing component (62) is arranged inside the second lower die (3).

2. The rifled rod core-pulling and tooth-retracting structure according to claim 1, wherein: The core-pulling component (61) includes a rifled rod body (611). The rifled rod body (611) is fixedly connected inside the upper die (2). A rotating block (612) is rotatably connected inside the first lower die (1). A main gear (613) is fixedly connected to the outside of the rotating block (612). A wear-resistant connecting platform (614) is rotatably connected inside the second lower die (3). A pressing block (615) is slidably connected inside the wear-resistant connecting platform (614).

3. The reciprocating rod core-pulling and tooth-retracting structure according to claim 2, characterized in that: The rotating block (612) is threadedly connected to the rifled rod body (611). A bolt is arranged between the wear-resistant connecting platform (614) and the pressing block (615).

4. The reciprocating rod core-pulling and tooth-retracting structure according to claim 2, wherein: The tooth-removing component (62) includes a tooth core (621). The tooth core (621) is movably connected inside the wear-resistant connecting platform (614). A driven gear (622) is fixedly connected to the outside of the tooth core (621). The tooth core (621) is movably connected to a rear mold (623) on the outside. An abutting head (624) is arranged on the right side of the rear mold (623). A front mold (625) is fixedly connected inside the upper die (2). A product body (626) is arranged between the abutting head (624) and the front mold (625).

5. The core-pulling and tooth-removing structure of a reciprocating rod according to claim 4, characterized in that: The pressing block (615) contacts the tooth core (621). Grooves are formed at corresponding positions of the tooth core (621) and the rear mold (623), and the rear mold (623) contacts the tooth core (621). The driven gear (622) meshes with the main gear (613). The front mold (625) contacts the abutting head (624). The rear mold (623) is rotatably connected to the second lower die (3).

6. The reciprocating rod core-pulling and tooth-removing structure according to claim 1, characterized in that: The auxiliary lubrication mechanism (7) includes a connection box (71). The connection box (71) is fixedly connected inside the first lower die (1). A connection pipe (72) is fixedly connected to the left side of the connection box (71). A liquid outlet pipe (73) is fixedly connected to the bottom of the connection box (71). An electromagnet (74) is fixedly connected inside the connection box (71). A spring (75) is fixedly connected to the bottom of the electromagnet (74). A movable block (76) is fixedly connected to the bottom of the spring (75). An adsorption block (77) is fixedly connected to the top of the movable block (76).

7. The reciprocating rod core-pulling and tooth-retracting structure according to claim 6, characterized in that: A groove is formed at a corresponding position of the connection box (71) and the movable block (76), and the movable block (76) is slidably connected inside the groove.

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