An inverted-dome inclined-jack core-pulling mechanism

Abstract

The application relates to the technical field of mold manufacturing, and particularly discloses a reverse clamping and inclined ejection core pulling mechanism, which comprises a sliding base, a forming base and a forming component; the forming base is arranged on one side of the sliding base, a forming groove is arranged in the forming base, and a perpendicular forming block is arranged in the center of the forming groove; the forming component comprises two inclined wedge bases and two inclined wedge forming blocks; the two inclined wedge bases are movably arranged in the forming groove on the two sides of the perpendicular forming block and connected with the sliding base; the two inclined wedge forming blocks are slidably connected to the two inclined wedge bases on the two sides of the perpendicular forming block; when the two inclined wedge bases of the forming component are driven to move by the sliding base, the two inclined wedge forming blocks can move close to or away from each other; the reverse clamping and inclined ejection core pulling mechanism can quickly perform demolding treatment after the product clamping position is formed, the whole core pulling mechanism has a small size, is relatively simple to operate, and has high practicability.

Description

Technical Field

[0001] This utility model relates to the field of mold manufacturing technology, and in particular to an inverted angled core-pulling mechanism. Background Technology

[0002] In existing injection molds, a core-pulling mechanism is needed to assist in the parting line of the injection-molded product, and also to assist in demolding. Figure 1 The product shown has two snap-fit ​​points on its surface. After injection molding, a core-pulling mechanism is required for demolding. However, the existing core-pulling mechanism is complex and bulky, making the operation cumbersome and the mold production cost relatively high.

[0003] To address the aforementioned issues, this application discloses an inverted angled core-pulling mechanism. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, this utility model discloses an inverted inclined core-pulling mechanism.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: an inverted angled core-pulling mechanism, comprising a sliding base, a forming base, and a forming component; The molding base is located on one side of the sliding base, and a molding groove is provided inside the molding base. A molding block is provided at the center of the molding groove. The molding component includes two inclined wedge bases and two inclined wedge molding blocks. The two inclined wedge bases are movably disposed inside the molding groove on both sides of the ⊥ molding block and connected to the sliding base. The two inclined wedge molding blocks are slidably attached to the two inclined wedge bases on both sides of the ⊥ molding block. When the sliding base drives the two inclined wedge bases of the molding component to move, the two inclined wedge molding blocks can move closer to each other or further away from each other.

[0006] More preferably, the molding base has two molding grooves inside, and the number of molding components is two accordingly.

[0007] More preferably, the forming groove has R-angle structures formed on both sides in the width direction of its middle portion.

[0008] More preferably, the wedge base is connected to the sliding base by a first locking bolt.

[0009] More preferably, the wedge-shaped block is designed with a 7-shaped structure.

[0010] More preferably, the wedge base is integrally provided with a dovetail slider, and the wedge forming block is integrally provided with a dovetail groove that slides onto the dovetail slider.

[0011] More preferably, two springs are connected between the molding base and the sliding base.

[0012] More preferably, the sliding base has guide holes on both sides of its interior, and the molding base has two guide rods on the side close to the sliding base, which pass through the two guide holes and extend outwards.

[0013] More preferably, two equal-height bolts are provided between the sliding base and the forming base.

[0014] More preferably, the molding base has a groove on the side that contacts the sliding base, and a limiting block is fixed in the groove by a second locking bolt. The side of the wedge molding block has a step to cooperate with the limiting block.

[0015] This utility model achieves the following beneficial effects: The undercut angled core-pulling mechanism provided in this application can quickly demold after the product is snapped into place. The entire core-pulling mechanism is small in size, simple to operate, and highly practical.

[0016] Other features and advantages of this invention will be set forth in the following description and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the specification, serve to explain the principles of the disclosure.

[0018] Figure 1 This is a schematic diagram of the product structure disclosed in this utility model; Figure 2 This is a schematic diagram of the mold structure disclosed in this utility model; Figure 3 This is a schematic diagram of the exploded structure of the mold disclosed in this utility model; Figure 4 This is a partial cross-sectional structural diagram of the mold disclosed in this utility model; Figure 5 This is a schematic diagram of the molding component structure disclosed in this utility model; In the picture: 10. Sliding base; 20. Molding base; 21. Molding groove; 211. ⊥forming block; 212. R-angle; 22. Groove; 30. Molding component; 31. Wedge base; 311. Dovetail slider; 32. Wedge forming block; 321. Dovetail groove; 322. Step; 33. First locking bolt; 34. Limiting block; 35. Second locking bolt; 40. Spring; 50. Guide rod; 60. Equal-height bolts; A, Product; A', Fastener. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Example

[0021] To address the issues of existing injection mold core-pulling mechanisms being bulky, costly to produce, and cumbersome to operate, and failing to achieve the desired core-pulling effect... Figure 1 For the issue of rapid demolding of product A shown, please refer to... Figure 2 As shown in Figure 5, this application discloses an inverted angled core-pulling mechanism, including a sliding base 10, a forming base 20 and a forming component 30; The molding base 20 is located on one side of the sliding base 10. The molding base 20 has a molding groove 21 inside, and a forming block 211 is provided in the center of the molding groove 21. refer to Figure 1 Product A shown has two fasteners A'. Correspondingly, this application has two molding grooves 21 inside the molding base 20, and the number of molding parts 30 is set to two. The molding component 30 includes two inclined wedge bases 31 and two inclined wedge molding blocks 32. The two inclined wedge bases 31 are movably disposed inside the molding groove 21 on both sides of the forming block 211 and connected to the sliding base 10. The two inclined wedge molding blocks 32 are slidably attached to the two inclined wedge bases 31 on both sides of the forming block 211. When the sliding base 10 drives the two inclined wedge bases 31 of the molding component 30 to move, the two inclined wedge molding blocks 32 can move closer to each other or further away from each other.

[0022] Based on the structure, when the snap-fit ​​A' is formed and demolding is performed, the inclined pin (not shown in this application) drives the sliding base 10 to move outward and gradually separate from the forming base 20. During this process, the two inclined wedge bases 31 of the forming component 30 will move together with the sliding base 10 to disengage from the forming groove 21 and synchronously drive the two inclined wedge forming blocks 32 to move away from each other and disengage from the snap-fit ​​A'. After the two inclined wedge forming blocks 32 are completely disengaged from the snap-fit ​​A', the demolding action is completed. Overall, the demolding action is relatively simple and efficient. It should be noted here that the two molding components 30 of this application operate synchronously, and the above description only symbolically points out the operating principle of one molding component 30.

[0023] Based on the shape requirements of the snap-fit ​​A', the forming groove 21 of this application has R-angle 212 structures formed on both sides of its central width direction, as shown in the reference. Figure 1 Product A shown has a snap-fit ​​A' with an inward R-angle 212 after molding.

[0024] In one embodiment, the wedge base 31 of this application is connected to the sliding base 10 by the first locking bolt 33. Correspondingly, all the wedge bases 31 of this application are fixed by the first locking bolt 33. In this way, when the sliding base 10 moves outward, all the wedge bases 31 will move together with the sliding base 10 and disengage from the molding groove 21.

[0025] Specifically, the wedge forming block 32 of this application is designed with a 7-shaped structure. When the mold is closed to form the snap-fit ​​A' of product A, the horizontal parts of the two 7-shaped wedge forming blocks 32 will approach each other and abut against the forming block 211. After the snap-fit ​​A' of product A is formed and the mold is opened, the horizontal parts of the two 7-shaped wedge forming blocks 32 will move away from each other and disengage from the snap-fit ​​A'.

[0026] In order to enable the wedge base 31 to drive the wedge forming blocks 32 to move closer or further apart, this application has an integral dovetail slider 311 on the wedge base 31 and an integral dovetail groove 321 on the wedge forming blocks 32 that slides on the dovetail slider 311. When the sliding base 10 drives the wedge base 31 to move outward, the dovetail slider 311 on the wedge base 31 will move within the dovetail groove 321 of the wedge forming blocks 32. During this process, the wedge forming blocks 32 will be forced to move.

[0027] In addition to the above structure, this application also connects two springs 40 between the molding base 20 and the sliding base 10. After the inclined core pulling action is completed, these two springs 40 can quickly reset the sliding base 10 and the molding base 20, so as to continue the subsequent injection molding work.

[0028] In some preferred embodiments, the present application provides guide holes on both sides of the interior of the sliding base 10, and the molding base 20 provides two guide rods 50 on the side close to the sliding base 10, which pass through the two guide holes (not shown) and extend outward. Two equal-height bolts 60 are provided between the sliding base 10 and the molding base 20. In this way, the sliding base 10 can be stably separated from or merged with the molding base 20.

[0029] In order to prevent the wedge forming block 32 from detaching from the wedge base 31, the forming base 20 of this application has a groove 22 on the side that contacts the sliding base 10. The limiting block 34 is fixed in the groove 22 by the second locking bolt 35. The side of the wedge forming block 32 is provided with a step 322 to cooperate with the limiting block 34. When the sliding base 10 drives the two wedge bases 31 of the forming component 30 to move outward, the two wedge forming blocks 32 will move away from each other or closer to each other on the limiting block 34.

[0030] In the description of this specification, the references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A reverse-clamped, angled-top core-pulling mechanism, characterized in that, It includes a sliding base (10), a molding base (20), and a molding component (30); The molding base (20) is located on one side of the sliding base (10). The molding base (20) has a molding groove (21) inside, and a forming block (211) is provided at the center of the molding groove (21). The molding component (30) includes two inclined wedge bases (31) and two inclined wedge molding blocks (32). The two inclined wedge bases (31) are movably disposed inside the molding groove (21) on both sides of the forming block (211) and connected to the sliding base (10). The two inclined wedge molding blocks (32) are slidably attached to the two inclined wedge bases (31) on both sides of the forming block (211). When the sliding base (10) drives the two inclined wedge bases (31) of the molding component (30) to move, the two inclined wedge molding blocks (32) can move closer to each other or further away from each other.

2. The inverted angled core-pulling mechanism according to claim 1, characterized in that, The molding base (20) has two molding grooves (21) inside, and the number of molding components (30) is two.

3. The inverted angled core-pulling mechanism according to claim 2, characterized in that, The forming groove (21) has R-angle (212) structures on both sides in the width direction of its middle section.

4. The inverted angled core-pulling mechanism according to claim 1, characterized in that, The wedge base (31) is connected to the sliding base (10) by the first locking bolt (33).

5. The inverted angled core-pulling mechanism according to claim 1, characterized in that, The oblique wedge forming block (32) is designed with a 7-shaped structure.

6. The inverted angled core-pulling mechanism according to claim 1, characterized in that, The wedge base (31) is integrally provided with a dovetail slider (311), and the wedge forming block (32) is integrally provided with a dovetail groove (321) which slides on the dovetail slider (311).

7. The inverted angled core-pulling mechanism according to claim 1, characterized in that, Two springs (40) are connected between the molding base (20) and the sliding base (10).

8. The inverted angled core-pulling mechanism according to claim 1, characterized in that, The sliding base (10) has guide holes on both sides inside. The forming base (20) has two guide rods (50) on the side close to the sliding base (10), which pass through the two guide holes and extend outward.

9. The inverted angled core-pulling mechanism according to claim 1, characterized in that, Two equal-height bolts (60) are provided between the sliding base (10) and the forming base (20).

10. The inverted angled core-pulling mechanism according to claim 1, characterized in that, The molding base (20) has a groove (22) on the side that contacts the sliding base (10). A limiting block (34) is fixed in the groove (22) by a second locking bolt (35). The side of the wedge molding block (32) has a step (322) that cooperates with the limiting block (34).

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