Structure for releasing inverted buckle by ejecting different movement positions

Abstract

The utility model relates to the technical field of molds, and discloses a structure for releasing an inverted buckle by ejecting different movement positions, which comprises a mold bottom plate, a support plate, a mold template and four connecting columns, an ejector pin bottom plate is movably connected to the middle of the top end of the mold bottom plate, and an ejector pin panel is movably connected to the surface of the top end of the ejector pin bottom plate. Four limiting rods are fixedly connected to the bottom end of the mold template in a rectangular array mode, two ejection structures are movably connected to an inner cavity of the mold template at equal intervals, four connecting grooves are formed in the top end of the ejector pin bottom plate and the top end of the ejector pin panel in a rectangular array mode, and four guide columns are fixedly connected to the top end of the mold bottom plate in a rectangular array mode. Two ejector plate return springs are fixedly connected to the top end of the ejector panel at equal intervals, two model blocks are fixedly connected to the top end of the mold template at equal intervals, the straight ejector and the flat ejector synchronously move upwards, the straight ejector stops moving when reaching the position of the positioning block, and the flat ejector jacks one side of a product to make circular motion so as to release a reverse buckle of the product.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and more specifically to a structure for ejecting undercuts by ejecting different moving positions. Background Art

[0002] Moulds are various moulds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. Moulds are tools used to make shaped objects. This tool is composed of various parts, and different moulds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the formed material. It is a tool that makes the blank become a part of a specific shape and size under the action of external force. It is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, as well as compression or injection molding of engineering plastics, rubber, ceramics and other products.

[0003] The shortcomings of the prior art: In the prior art, the conventional buckle structure of the mold is to disengage the buckle structure through the reverse movement of the slider and the inclined top. For products with special shapes, for example, products with larger undercuts on the inclined top movement side, the conventional inclined top structure stroke is far from enough. Based on this, the utility model adopts a structure that utilizes different movement positions to disengage the undercuts to solve the shortcomings of the prior art. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a structure for ejecting undercuts by ejecting different movement positions, so as to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a structure for disengaging undercuts by ejecting different moving positions, comprising a mold base plate, two support plates being fixedly installed at the top of the mold base plate at equal distances, the tops of the two support plates being fixedly connected to a mold template, four connecting columns being fixedly installed in a rectangular array at the top of the mold template, an ejector base plate being movably connected to the middle part of the top of the mold base plate, an ejector panel being movably connected to the top surface of the ejector base plate, four limiting rods being fixedly connected in a rectangular array at the bottom end of the mold template, two ejection structures being movably connected in an inner cavity of the mold template, four connecting grooves being opened in a rectangular array at the tops of the ejector base plate and the ejector panel, four guide columns being fixedly connected in a rectangular array at the top of the mold base plate, two ejector plate return springs being fixedly connected at equal distances at the top of the ejector panel, and two model blocks being fixedly connected at equal distances at the top of the mold template.

[0006] Preferably, the ejector base plate and the ejector face plate are both movably connected to the outer surface of the limiting rod.

[0007] Preferably, the position of the guide post corresponds to the position of the connecting groove, and the guide post is movably connected to the inner cavity of the connecting groove.

[0008] Preferably, the ejection structure includes a control device and a flat top, the top of the control device is fixedly connected to a limiting block, the top of the limiting block is fixedly connected to a straight top, the middle of the outer surface of the straight top is movably connected to a positioning block, and the top of the straight top is fixedly connected to an ejection block.

[0009] Preferably, the position of the limit block corresponds to the position of the positioning block, and the positioning block is fixedly connected to the bottom end of the mold template.

[0010] Preferably, the straight top and the flat top penetrate through and are movably connected to the mold template and the inner cavity of the model block, and the shape of the top surface of the ejection block is matched with the shape of the top surface of the model block.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model ejects the product by providing a straight top and a flat top. The ejector bottom plate and the ejector panel eject the straight top and the flat top synchronously. The straight top is limited to fit the position of the positioning block at the bottom of the mold template. The straight top no longer moves in the height direction. The ejector bottom plate and the ejector panel drive the flat top to continue to push upward. After the straight top is limited by the limit block, it does not move forward. The flat top pushes one side of the product up in a circular motion to remove the product from the buckle.

[0013] 2. The utility model ensures the stability of the connection between the mold template by providing a connecting column, and ensures the accuracy of the movement direction of the ejector base plate and the ejector panel by using the guide column and the connecting groove. An ejector return spring is provided between the mold template and the ejector panel, and the ejector structure is reset by the ejector return spring. The ejection height of the straight ejector is limited by the limit block and the positioning block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall internal structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the ejection structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0018] The accompanying drawings are marked as follows: 1. mold base plate; 2. support plate; 3. mold template; 4. connecting column; 5. ejector base plate; 6. ejector panel; 7. limit rod; 8. ejector structure; 81. control device; 82. limit block; 83. straight ejector; 84. positioning block; 85. ejector block; 86. flat ejector; 9. connecting groove; 10. guide column; 11. ejector plate return spring; 12. model block. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are only examples. The structure of the present invention that utilizes different ejection movement positions to disengage the undercut is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] The utility model provides a structure for removing undercuts by ejecting different movement positions, such as Figure 1 and Figure 2 As shown, it includes a mold base plate 1, two support plates 2 are fixedly installed at the top of the mold base plate 1 at equal distances, and a mold template 3 is fixedly connected to the top of the two support plates 2, and the mold template 3 is supported by the support plate 2. Four connecting columns 4 are fixedly installed in a rectangular array on the top of the mold template 3, and the stability of the mold template 3 is ensured by the connecting columns 4. An ejector base plate 5 is movably connected to the middle part of the top of the mold base plate 1, and an ejector panel 6 is movably connected to the top surface of the ejector base plate 5. Four limiting rods 7 are fixedly connected to the bottom rectangular array of the mold template 3. The stability of the ejector base plate 5 and the ejector panel 6 during movement is ensured by the limiting rods 7. Two ejector structures 8 are movably connected to the inner cavity of the mold template 3 at equal distances, and four connecting grooves 9 are opened in a rectangular array on the top of the ejector base plate 5 and the ejector panel 6. Four guide columns 10 are fixedly connected to the rectangular array on the top of the mold base plate 1, and two ejector plate return springs 11 are fixedly connected to the top of the ejector panel 6 at equal distances. Two model blocks 12 are fixedly connected to the top of the mold template 3 at equal distances, and the shape of the model block 12 is designed according to the shape of the product.

[0021] Furthermore, the ejector base plate 5 and the ejector panel 6 are both movably connected to the outer surface of the limiting rod 7, and the upward movement of the ejection structure 8 is ensured by the ejector base plate 5 and the ejector panel 6. The position of the guide column 10 corresponds to the position of the connecting groove 9, and the guide column 10 is movably connected to the inner cavity of the connecting groove 9. The accuracy of the movement direction between the ejector base plate 5 and the ejector panel 6 is ensured by the guide column 10 and the connecting groove 9.

[0022] Further, such as Figure 3As shown, the ejection structure 8 includes a control device 81 and a flat top 86. The top of the control device 81 is fixedly connected to a limiting block 82. The top of the limiting block 82 is fixedly connected to a straight top 83. The middle of the outer surface of the straight top 83 is movably connected to a positioning block 84. The top of the straight top 83 is fixedly connected to an ejection block 85. The control device 81 is used to make the straight top 83 and the flat top 86 move upward. After being limited by the limiting block 82, the straight top 83 does not move forward. The flat top 86 pushes up one side of the product in a circular motion to remove the product from the buckle.

[0023] Further, such as Figure 4 As shown, the position of the limit block 82 corresponds to the position of the positioning block 84, the positioning block 84 is fixedly connected to the bottom end of the mold template 3, the straight top 83 and the flat top 86 pass through and are movably connected to the mold template 3 and the inner cavity of the model block 12, the straight top 83 is limited to fit the position of the positioning block 84 at the bottom of the mold template 3, the straight top 83 no longer makes ejection movement in the height direction, the shape of the top surface of the ejection block 85 is adapted to the shape of the top surface of the model block 12, and the product can be easily ejected through the ejection block 85.

[0024] The working principle of the utility model is as follows: first, the ejector base plate 5 and the ejector panel 6 are movably installed on the outer surface of the guide column 10, and the accuracy of the movement direction between the ejector base plate 5 and the ejector panel 6 is ensured by the guide column 10 and the connecting groove 9, and the stability of the connection between the ejector base plate 5 and the ejector panel 6 is ensured by the limit rod 7. During use, the straight ejector 83 and the flat ejector 86 are synchronously ejected by the ejector base plate 5 and the ejector panel 6, and the straight ejector 83 is limited to fit the position of the positioning block 84 at the bottom of the mold template 3. The straight ejector 83 no longer makes an ejection movement in the height direction, and the ejector base plate 5 and the ejector panel 6 drive the flat ejector 86 to continue to eject upwards. After the straight ejector 83 is limited by the limit block 82, it does not move forward. The flat ejector 86 pushes one side of the product into a circular motion to get out of the product buckle, and the product is conveniently ejected by the ejection block 85 matched with the shape of the top surface of the model block 12. After the ejection is completed, the ejector panel 6 is returned to its position by the ejector plate return spring 11 between the ejector panel 6 and the mold template 3.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0026] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A structure for removing undercuts by ejecting at different movement positions, comprising a mold bottom plate (1), characterized in that: Two support plates (2) are fixedly installed at the top of the mold base plate (1) at equal distances, and the tops of the two support plates (2) are fixedly connected to a mold template (3), and four connecting columns (4) are fixedly installed in a rectangular array at the top of the mold template (3). An ejector base plate (5) is movably connected to the middle of the top of the mold base plate (1), and an ejector panel (6) is movably connected to the top surface of the ejector base plate (5). Four limiting rods (7) are fixedly connected in a rectangular array at the bottom end of the mold template (3). Two ejection structures (8) are movably connected to the inner cavity of the mold template (3). Four connecting grooves (9) are provided in a rectangular array at the top of each of the ejector base plate (5) and the ejector panel (6). Four guide columns (10) are fixedly connected in a rectangular array at the top of the mold base plate (1), and two ejector plate return springs (11) are fixedly connected to the top of the ejector panel (6) at equal distances. Two model blocks (12) are fixedly connected to the top of the mold template (3) at equal distances.

2. The structure for removing undercuts by ejecting at different movement positions according to claim 1, characterized in that: The ejector base plate (5) and the ejector panel (6) are both movably connected to the outer surface of the limiting rod (7).

3. The structure for removing undercuts by ejecting at different motion positions according to claim 1, characterized in that: The position of the guide column (10) corresponds to the position of the connecting groove (9), and the guide column (10) is movably connected to the inner cavity of the connecting groove (9).

4. The structure for removing undercuts by ejecting at different motion positions according to claim 1, characterized in that: The ejection structure (8) comprises a control device (81) and a flat top (86); the top of the control device (81) is fixedly connected to a limit block (82); the top of the limit block (82) is fixedly connected to a straight top (83); the middle of the outer surface of the straight top (83) is movably connected to a positioning block (84); and the top of the straight top (83) is fixedly connected to an ejection block (85).

5. The structure for removing undercuts by ejecting at different movement positions according to claim 4, characterized in that: The position of the limit block (82) corresponds to the position of the positioning block (84), and the positioning block (84) is fixedly connected to the bottom end of the mold template (3).

6. The structure for removing undercuts by ejecting at different movement positions according to claim 4, characterized in that: The straight top (83) and the flat top (86) penetrate through and are movably connected to the inner cavity of the mold template (3) and the model block (12); the shape of the top surface of the ejection block (85) matches the shape of the top surface of the model block (12).

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