Core pulling structure of injection mold

Abstract

The utility model provides a core pulling structure of an injection mold, and relates to the technical field of mold core pulling. The problems that an existing injection mold core pulling structure cannot conveniently achieve auxiliary driving rotary thread demolding, the service life of a mold core is short, and auxiliary lossless demolding is inconvenient are solved. Comprising a mounting and forming driving part, and a moving driving part is mounted on the mounting and forming driving part; threaded adaptive driving parts are fixedly mounted on the mounting forming driving part, and the two threaded adaptive driving parts slide on the movable driving parts correspondingly. An anti-falling pressing auxiliary part is mounted on the movable driving part in a sliding manner; the anti-disengaging pressing auxiliary part is installed on the guiding auxiliary part in a sliding mode. By means of the structure, the driving piece can be moved in a matched mode, mold core machining forming can be assisted rapidly, the structure is more reasonable, and meanwhile, different from a traditional inwards-shrinking multi-piece mold core structure, the structure can guarantee the service life of the mold core, and gaps cannot be generated.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold core pulling, and more specifically, particularly relates to an injection mold core pulling structure. Background Art

[0002] In the actual injection molding process, there are a large number of workpieces which have mold cores themselves, and the mold cores are used to assist in one-time molding. At the same time, in order to ensure the processing efficiency, a large number of mold cores have threads. Currently, the mold cores with threads mostly adopt the expansion and contraction method. Although it is more efficient, the accuracy gradually decreases with use, especially the threaded part, which is easy to dislocate and has a high replacement cost. The current injection mold core pulling structure is not convenient for auxiliary drive rotary thread demolding, auxiliary lossless demolding, and auxiliary pressure non-slip auxiliary efficient thread demolding. The molded part is easy to rotate with the core mold by only rotating the core pulling method, which makes it difficult to disassemble. Utility Model Content

[0003] The utility model relates to an injection mold core pulling structure to solve the problems that the existing injection mold core pulling structure is not convenient for auxiliary driving rotating thread demoulding, the mold core has a short life, and is not convenient for auxiliary lossless demoulding.

[0004] In the first aspect of the utility model, there is provided an injection mold core pulling structure, comprising an installed molding drive member, on which a mobile drive member is installed; a threaded adapter drive member is fixedly installed on the installed molding drive member, and two threaded adapter drive members slide on the mobile drive member respectively; an anti-slip pressing auxiliary member is slidably installed on the mobile drive member; a guide auxiliary member is fixedly installed on the installed molding drive member; the anti-slip pressing auxiliary member is slidably installed on the guide auxiliary member; the installed molding drive member comprises: a drive mounting plate, a drive motor and a drive screw, on which the drive motor is fixedly installed; a drive screw is welded on the output shaft of the drive motor, and the drive screw is rotatably installed on the drive mounting plate.

[0005] In at least some embodiments, the mobile driving component includes: a mobile driving slider and a molding core mold, two molding core molds are rotatably mounted on the mobile driving slider; the mobile driving slider is slidably mounted on a driving mounting plate; and a driving screw is threadedly connected to the mobile driving slider.

[0006] In at least some embodiments, the anti-slip pressing auxiliary component further includes: a guide column and an auxiliary pressing block, two guide columns are fixedly welded on the anti-slip sliding block; and an auxiliary pressing block is fixedly installed on the anti-slip sliding block.

[0007] In at least some embodiments, the thread adapter drive member includes: a thread adapter mounting cylinder and a protruding guide ball, wherein the thread adapter mounting cylinder has a protruding guide ball fixedly mounted inside; the thread adapter mounting cylinder is fixedly mounted on a drive mounting plate; a drive shaft is slidably sleeved on the thread adapter mounting cylinder; and the protruding guide ball is located inside the guide thread groove.

[0008] In at least some embodiments, the installation molding drive component further includes: a molding mold, the molding mold is fixedly installed on the drive installation plate; and two cavities are provided on the molding mold.

[0009] In at least some embodiments, the anti-slip pressing auxiliary component includes: an anti-slip slider and a reset auxiliary tension spring, the anti-slip slider is slidably installed on the movable driving slider; a reset auxiliary tension spring is welded at the bottom of the anti-slip slider, and the other end of the reset auxiliary tension spring is welded inside the movable driving slider.

[0010] In at least some embodiments, the mobile driving member further comprises: a driving shaft and a guide thread groove, the two molding core molds are respectively welded with a driving shaft, and the two driving shafts are respectively provided with a guide thread groove;

[0011] In at least some embodiments, the guide auxiliary component includes: a guide mounting plate and a guide auxiliary groove, the guide mounting plate is welded on the drive mounting plate; a guide auxiliary groove is opened on the guide mounting plate, and a guide column is slidably installed inside the guide auxiliary groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model adopts a set installation molding drive part, which can cooperate with the mobile drive part to assist in the rapid processing and molding of the mold core. The structure is more reasonable. At the same time, different from the traditional inward-retracted multi-piece mold core structure, this structure can ensure the service life of the mold core, will not produce gaps, and can ensure injection molding accuracy. At the same time, this structure adopts a rotary demolding method, which conforms to the direction of the thread and can ensure lossless demolding.

[0014] 2. The utility model can further ensure the demoulding quality by cooperating with the anti-stripping pressing auxiliary parts through the use of the set guiding auxiliary parts, can assist in the pressing demoulding work, can ensure the demoulding stability, can ensure that the molded part does not move when the molding core mold rotates, and can assist in the rapid demoulding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the guide auxiliary component of the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the installation and molding drive component of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the mobile driving component of the utility model.

[0019] Figure 5 It is a structural schematic diagram of a threaded adapter driving member of the utility model.

[0020] Figure 6 It is a structural schematic diagram of the guide auxiliary component of the utility model.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Install the molding drive component; 101. Drive mounting plate; 102. Drive motor; 103. Drive screw rod; 104. Molding mold;

[0023] 2. Mobile driving member; 201. Mobile driving slider; 202. Forming core mold; 203. Driving shaft; 2031. Guide thread groove;

[0024] 3. Threaded adapter driving member; 301. Threaded adapter mounting cylinder; 3011. Raised guide ball;

[0025] 4. Anti-drop pressing auxiliary part; 401. Anti-drop sliding block; 402. Reset auxiliary tension spring; 403. Guide column; 404. Auxiliary pressing block;

[0026] 5. Guide auxiliary part; 501. Guide mounting plate; 5011. Guide auxiliary groove. DETAILED DESCRIPTION

[0027] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0028] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 6 As shown:

[0029] The utility model provides an injection mold core pulling structure, comprising an installation molding drive member 1, on which a mobile drive member 2 is installed; a threaded adapter drive member 3 is fixedly installed on the installation molding drive member 1, and two threaded adapter drive members 3 slide on the mobile drive member 2 respectively; an anti-slip pressing auxiliary member 4 is slidably installed on the mobile drive member 2; a guide auxiliary member 5 is fixedly installed on the installation molding drive member 1; the anti-slip pressing auxiliary member 4 is slidably installed on the guide auxiliary member 5; the installation molding drive member 1 comprises: a drive mounting plate 101, a drive motor 102 and a drive screw 103, on which the drive motor 102 is fixedly installed; a drive screw 103 is welded on the output shaft of the drive motor 102, and the drive screw 103 is rotatably installed on the drive mounting plate 101.

[0030] In the embodiment of the utility model, the installation molding drive member 1 also includes: a molding mold 104, the molding mold 104 is fixedly installed on the driving mounting plate 101; the molding mold 104 is provided with two cavities; the mobile driving member 2 includes: a mobile driving slider 201 and a molding core mold 202, two molding core molds 202 are rotatably installed on the mobile driving slider 201; the mobile driving slider 201 is slidably installed on the driving mounting plate 101; the mobile driving slider 201 is threadedly connected with a driving screw 103; the mobile driving member 2 also includes: a driving shaft 203 and a guide thread groove 2031, the two molding core molds 202 are respectively welded with the driving shaft 203, and the two driving shafts 203 are respectively provided with a guide thread groove 2031; the threaded adapter driving member 3 includes: a threaded adapter mounting cylinder 301 and a raised guide ball 3011 A raised guide ball 3011 is fixedly installed inside the threaded adapter mounting cylinder 301; the threaded adapter mounting cylinder 301 is fixedly installed on the drive mounting plate 101; the drive shaft 203 is slidably sleeved on the threaded adapter mounting cylinder 301; the raised guide ball 3011 is located inside the guide thread groove 2031, and by adopting the set installation molding drive member 1, it can be realized to cooperate with the mobile drive member 2 to realize auxiliary and rapid mold core processing and molding, and the structure is more reasonable. At the same time, different from the traditional inward-retracted multi-piece mold core structure, this structure can ensure the service life of the mold core, automatically link drive, and is more flexible to use. Later, the raised guide ball 3011 can guide the set guide thread groove 2031 to drive the drive shaft 203 to rotate. At this time, the rotation of the drive shaft 203 can be separated from the molded part, and the overall structure is more reasonable.

[0031] Embodiment 2: On the basis of embodiment 1, the anti-slip pressing auxiliary component 4 includes: an anti-slip slider 401 and a reset auxiliary tension spring 402, the anti-slip slider 401 is slidably mounted on the mobile driving slider 201; a reset auxiliary tension spring 402 is welded at the bottom of the anti-slip slider 401, and the other end of the reset auxiliary tension spring 402 is welded inside the mobile driving slider 201; the anti-slip pressing auxiliary component 4 also includes: a guide column 403 and an auxiliary pressing block 404, two guide columns 403 are fixedly welded on the anti-slip slider 401; an auxiliary pressing block 404 is fixedly mounted on the anti-slip slider 401; the guide auxiliary component 5 includes: a guide mounting plate 501 and a guide auxiliary groove 502 011, the guide mounting plate 501 is welded on the driving mounting plate 101; a guide auxiliary groove 5011 is opened on the guide mounting plate 501, and a guide column 403 is slidably installed inside the guide auxiliary groove 5011. By adopting the set guide auxiliary part 5, it is possible to cooperate with the anti-slip pressing auxiliary part 4 to further ensure the demoulding quality, and it is possible to assist in the pressing and demoulding work. The overall structure is simpler and more reasonable, and the demoulding effect can be guaranteed. The molded part is extruded by the auxiliary pressing block 404. At this time, it can be ensured that the molded part can be smoothly threaded out. The auxiliary pressing block 404 can play an anti-slip role and does not affect the disassembly of the molded part by threaded rotation.

[0032] Working principle of this embodiment: In the utility model, after injection molding in the molding mold 104, when the driving motor 102 drives the driving screw 103 to rotate, the mobile driving slider 201 can be driven to slide, and the molded part is first demolded from the molding mold 104, and then the raised guide ball 3011 can guide the set guide thread groove 2031 to drive the driving shaft 203 to rotate. At this time, the rotation of the driving shaft 203 can be used to separate the molded part. When the mobile driving slider 201 moves, when the guide column 403 is guided downward by the guide auxiliary groove 5011, the molded part is extruded through the auxiliary pressing block 404. At this time, it can be ensured that the molding can be smoothly threaded out, and when the guide column 403 continues to slide in the guide auxiliary groove 5011, it can move upward, driving the auxiliary pressing block 404 to release the extruded molded part, thereby removing the molded part.

[0033] In this article, there are a few points to note:

[0034] 1. The drawings of the embodiments of the present utility model only relate to the structures related to the embodiments of the present utility model, and other structures may refer to the usual designs.

[0035] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0036] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A core pulling structure for an injection mold, comprising a mounting molding drive component (1), wherein a moving drive component (2) is mounted on the mounting molding drive component (1); characterized in that: A threaded adapter drive member (3) is fixedly mounted on the installation and forming drive member (1), and the two threaded adapter drive members (3) are respectively slidably mounted on the movable drive member (2); an anti-slip pressing auxiliary member (4) is slidably mounted on the movable drive member (2); a guide auxiliary member (5) is fixedly mounted on the installation and forming drive member (1); the anti-slip pressing auxiliary member (4) is slidably mounted on the guide auxiliary member (5); the installation and forming drive member (1) comprises: a drive mounting plate (101), a drive motor (102) and a drive screw (103); the drive mounting plate (101) is fixedly mounted with the drive motor (102); a drive screw (103) is welded on the output shaft of the drive motor (102), and the drive screw (103) is rotatably mounted on the drive mounting plate (101).

2. The core-pulling structure of an injection mold according to claim 1, characterized in that: The mounting molding drive component (1) further comprises: a molding die (104), wherein the molding die (104) is fixedly mounted on the drive mounting plate (101); and two molding cavities are provided on the molding die (104).

3. The core-pulling structure of an injection mold according to claim 1, characterized in that: The movable driving member (2) comprises: a movable driving slider (201) and a molding core mold (202); two molding core molds (202) are rotatably mounted on the movable driving slider (201); the movable driving slider (201) is slidably mounted on a driving mounting plate (101); and a driving screw rod (103) is threadedly connected to the movable driving slider (201).

4. The core-pulling structure of an injection mold according to claim 3, characterized in that: The movable driving member (2) further comprises: a driving shaft (203) and a guide thread groove (2031); the driving shafts (203) are respectively welded to the two molding core molds (202), and the two driving shafts (203) are respectively provided with guide thread grooves (2031).

5. The core-pulling structure of an injection mold according to claim 4, characterized in that: The thread adapter drive member (3) comprises: a thread adapter installation cylinder (301) and a protruding guide ball (3011); the thread adapter installation cylinder (301) has a protruding guide ball (3011) fixedly installed inside; the thread adapter installation cylinder (301) is fixedly installed on a drive installation plate (101); a drive shaft (203) is slidably sleeved on the thread adapter installation cylinder (301); and the protruding guide ball (3011) is located inside a guide thread groove (2031).

6. The core-pulling structure of an injection mold according to claim 3, characterized in that: The anti-slip pressing auxiliary component (4) comprises: an anti-slip slider (401) and a reset auxiliary tension spring (402); the anti-slip slider (401) is slidably mounted on the movable driving slider (201); a reset auxiliary tension spring (402) is welded to the bottom of the anti-slip slider (401), and the other end of the reset auxiliary tension spring (402) is welded inside the movable driving slider (201).

7. The core-pulling structure of an injection mold according to claim 6, characterized in that: The anti-slip pressing auxiliary component (4) further comprises: a guide column (403) and an auxiliary pressing block (404); two guide columns (403) are fixedly welded on the anti-slip sliding block (401); and an auxiliary pressing block (404) is fixedly mounted on the anti-slip sliding block (401).

8. The core-pulling structure of an injection mold according to claim 7, characterized in that: The guide auxiliary component (5) comprises: a guide mounting plate (501) and a guide auxiliary groove (5011); the guide mounting plate (501) is welded to the driving mounting plate (101); the guide mounting plate (501) is provided with a guide auxiliary groove (5011), and a guide column (403) is slidably installed inside the guide auxiliary groove (5011).

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