In-mold automatic water gap cutting structure

Abstract

The utility model relates to an in-mold automatic water gap cutting structure. The in-mold automatic water gap cutting structure comprises a cutter arranged corresponding to a water gap and an ejector pin arranged corresponding to a product, the end, away from the water gap, of the cutter is detachably connected to the supporting rod, and the end, away from the cutter, of the supporting rod is fixedly arranged in the top plate. The end, away from a product, of the ejector pin is arranged in the ejector plate, a limiting containing groove is formed in the position, corresponding to the ejector pin, in the ejector plate, and an ejection stroke interval is formed between the limiting containing groove and the ejector pin. The ejector plate pushes the ejector pin to move towards a product in an ejection stroke interval; the cutter is detachably arranged on the supporting rod, so that the cutter is convenient to replace, the worn cutter can be maintained in time, the product quality is effectively improved, the overall structure is simple, the layout is reasonable, the installation is convenient, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of mold forming processing, and more specifically to an automatic water inlet cutting structure in a mold. Background Art

[0002] The sprue refers to the junction of the frame and parts formed when the factory casts the model, that is, the inlet and outlet for the flow of heated liquid materials. When the product is formed and taken out, since the product is connected to the sprue, the sprue head needs to be cut off before the product can be taken out. Traditional methods are mostly manual cutting, which is inefficient. Therefore, the existing technology has designed and developed an automatic sprue cutting structure. However, most of the existing automatic sprue cutting structures use a fixed cutter structure that is not convenient for separate disassembly and installation. Since the cutter will be worn to a large extent after long-term use, it needs to be maintained in time, otherwise it will affect the cutting quality. The existing structure is not convenient for removing the cutter separately and replacing it in time, otherwise the entire mold needs to be disassembled, which is very inconvenient to use and easily affects production efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an in-mold automatic water inlet cutting structure in view of the above-mentioned defects of the prior art.

[0004] The utility model adopts the following technical scheme to solve the technical problem: an in-mold automatic water outlet cutting structure, comprising a cutter arranged corresponding to the water outlet and an ejector arranged corresponding to the product; the end of the cutter away from the water outlet is detachably connected to a support rod, and the end of the support rod away from the cutter is fixedly arranged in an ejector plate; the end of the ejector away from the product is arranged in the ejector plate, and a limited receiving groove is provided in the ejector plate at a position corresponding to the ejector, an ejection stroke interval is formed between the limited receiving groove and the ejector, and in the process that the ejector plate drives the cutter to move toward the water outlet, the ejector plate pushes the ejector to move toward the product direction within the ejection stroke interval.

[0005] In some embodiments, a clamping block is provided at one end of the cutter away from the water outlet, and a clamping groove is provided at one end of the support rod close to the cutter for clamping and fixing with the clamping block. The cutter and the support rod are detachably connected via the clamping block and the clamping groove.

[0006] In some embodiments, the shape of the card slot is a cross or a triangle; the shape and size of the card block match the card slot.

[0007] In some embodiments, one end of the support rod away from the cutter penetrates into the top plate and is provided with a first limit block, and the first limit block is fixedly clamped in the top plate.

[0008] In some embodiments, the end of the ejector away from the product penetrates into the ejector plate and is limited in the limiting receiving groove, the end of the ejector located in the limiting receiving groove is connected to a ejector rod, the end of the ejector rod connected to the ejector is limited in the limiting receiving groove, and the end of the ejector rod away from the ejector passes through the ejector plate and is located on the side of the ejector plate away from the ejector pin.

[0009] In some embodiments, a second limit block is further provided at one end of the ejector pin located in the limit receiving groove, and a third limit block connected to the second limit block is provided at one end of the ejector rod located in the limit receiving groove; an ejection stroke interval is formed between the second limit block and the third limit block and the limit receiving groove.

[0010] In some embodiments, the top plate includes an overlapping ejector panel and an ejector bottom plate, and a first limiting groove opposite to the ejector bottom plate is opened in the ejector panel; the end of the support rod away from the cutter penetrates into the top plate and is placed in the first limiting groove, and the end of the support rod away from the cutter is fixed in the first limiting groove by a first limiting block.

[0011] In some embodiments, a second limiting groove is further provided in the ejector panel at a position close to the first limiting groove, and a third limiting groove is provided in the ejector base plate at a position corresponding to the second limiting groove, and the notches of the second limiting groove and the third limiting groove are opposite to each other to form a limiting receiving groove; one end of the ejector away from the product passes through the ejector panel and is limitedly clamped in the second limiting groove by the second limiting block; one end of the ejector rod close to the ejector passes through the ejector base plate and is limitedly clamped in the third groove by the third limiting block.

[0012] In some embodiments, the width of the third limiting groove is greater than the width of the second limiting groove.

[0013] In some embodiments, the depth of the third limiting groove is greater than the thickness of the third limiting block.

[0014] The beneficial effects of the utility model are as follows: different from the prior art, in the in-mold automatic water outlet cutting structure of the utility model, one end of the cutter away from the water outlet is detachably connected to the support rod, and the end of the support rod away from the cutter is fixedly arranged in the top plate; the end of the ejector away from the product is arranged in the top plate, and a limited receiving groove is provided in the top plate at a position corresponding to the ejector, and an ejection stroke interval is formed between the limited receiving groove and the ejector, and when the top plate drives the cutter to move toward the water outlet, the top plate pushes the ejector to move toward the product within the ejection stroke interval; the cutter is convenient to replace, which helps to maintain the worn cutter in time, effectively improves the product quality, and the overall structure is simple, the layout is reasonable, the installation is convenient, and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the in-mold automatic water-cutting structure in the closed-mold forming state in the embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the enlarged structure of a part A in an embodiment of the utility model;

[0017] Figure 3 It is a schematic diagram of the automatic water-cutting structure in the mold in the closed mold ejection state in the embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of a part B in the embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the top view of the support rod in the embodiment of the utility model;

[0020] Figure 6 It is a schematic diagram of the structure of the cutter in the embodiment of the utility model when viewed from above;

[0021] The names and serial numbers in the figure are as follows: cutter 1; ejector pin 2; support rod 3; ejector plate 4; limiting receiving groove 40; clamping block 11; clamping groove 31; first limiting block 32; ejector panel 41; ejector bottom plate 42; first limiting groove 401; ejector pin 5; second limiting groove 402; third limiting groove 403; second limiting block 21; third limiting block 51; product 100; sprue material 200. DETAILED DESCRIPTION

[0022] The terms "first", "second", "third" and "fourth" etc. in the specification and claims of the utility model and the drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] "Multiple" means two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0025] Moreover, the terms "up, down, front, back, left, right, upper end, lower end" etc. indicating directions are all based on the posture and position of the device or equipment described in this solution during normal use.

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be described clearly and completely in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0027] The utility model is implemented as follows Figures 1 to 6 As shown in the figure, an automatic in-mold water outlet cutting structure includes a cutter 1 arranged corresponding to the water outlet and an ejector 2 arranged corresponding to the product 100; the end of the cutter 1 away from the water outlet is detachably connected to the support rod 3, and the end of the support rod 3 away from the cutter 1 is fixedly arranged in the top plate 4; the end of the ejector 2 away from the product 100 is arranged in the top plate 4, and a limited receiving groove 40 is provided in the top plate 4 at a position corresponding to the ejector 2, and an ejection stroke interval H is formed between the limited receiving groove 40 and the ejector 2. When the top plate 4 drives the cutter 1 to move toward the water outlet, the top plate 4 pushes the ejector 2 to move toward the product 100 within the ejection stroke interval H.

[0028] In this embodiment, the nozzle material 200 and the product 100 are distributed in a left-right corresponding structure, and the cutter 1 and the support rod 3 are also distributed in a left-right corresponding structure with the ejector 2. The cutting end of the cutter 1 is relatively located between the nozzle material 200 and the product 100 and opposite to the nozzle, and the ejector 2 is located below the product 100.

[0029] Furthermore, a clamping block 11 is provided at the end of the cutter 1 away from the water inlet, i.e., the lower end of the cutter 1, for fixing on the support rod 3. Correspondingly, a clamping slot 31 is provided at the end of the support rod 3 close to the cutter 1, i.e., the upper end of the support rod 3, for clamping and fixing with the clamping block 11. The cutter 1 and the support rod 3 are detachably connected through the clamping block 11 and the clamping slot 31, respectively. During installation, the cutter 1 can be installed on the support rod 3 by making the clamping block 11 tightly fit and clamped in the clamping slot 31. In this embodiment, the shape of the clamping slot 31 is cross-shaped, the shape and size of the clamping block 11 match the clamping slot 31, the shape of the clamping block 11 is also cross-shaped, the depth of the clamping slot 31 is based on the ability to stably clamp the clamping block 11, and the length of the clamping block 11 matches the depth of the clamping slot 31.

[0030] In other embodiments, the shape of the card slot 31 is triangular, and accordingly, the shape of the card block 11 should also be triangular. The cross-shaped or triangular structure can make the assembly more stable.

[0031] Furthermore, one end of the support rod 3 away from the cutter 1, i.e., the lower end of the support rod 3, penetrates into the top plate 4 and is provided with a first limit block 32, and the first limit block 32 is fixedly clamped in the top plate 4. Specifically, the top plate 4 includes an ejector panel 41 and an ejector bottom plate 42 which are overlapped and arranged up and down, and the thickness of the ejector bottom plate 42 is greater than the thickness of the ejector panel 41. A first limit groove 401 opposite to the ejector bottom plate 42 is provided in the ejector panel 41, and a first through hole for the support rod 3 to penetrate is also provided on the ejector panel 41 at a position corresponding to the support rod 3, the first through hole is connected with the first limit groove 401, and the first through hole and the first limit groove 401 are in an inverted T shape, the lower end of the support rod 3 penetrates into the first through hole and extends into the first limit groove 401, and the first limit block 32 is surrounded by the first limit groove 401 and the ejector bottom plate 42 and is fixed therein.

[0032] Further, the end of the ejector 2 away from the product 100, i.e., the lower end of the ejector 2, penetrates the ejector plate 4 and is limited in the limited receiving groove 40. The end of the ejector 2 located in the limited receiving groove 40 is connected to the ejector rod 5. The end of the ejector rod 5 connected to the ejector 2 is limited in the limited receiving groove 40. The end of the ejector rod 5 away from the ejector 2, i.e., the lower end of the ejector rod 5, penetrates the ejector plate 4 and is located on the side of the ejector plate 4 away from the ejector 2. Specifically, a second limiting groove 402 is further provided in the ejector panel 41 at a position close to the right side of the first limiting groove 401. The width and depth of the second limiting groove 402 are both smaller than the width and depth of the first limiting groove 401. A third limiting groove 403 is provided in the ejector bottom plate 42 at a position corresponding to the second limiting groove 402, and the width of the third limiting groove 403 is greater than the width of the second limiting groove 402; the notches of the second limiting groove 402 and the third limiting groove 403 are opposite to each other to form a limiting receiving groove 40; a second through hole is provided on the ejector panel 41 at a position corresponding to the ejector 2, the second through hole is connected with the second limiting groove 402, and the second through hole and the second limiting groove 402 are also in an inverted T shape. A third through hole is provided on the ejector bottom plate 42 at a position corresponding to the ejector rod 5, the third through hole is connected with the third limiting groove 403, and the third through hole and the third limiting groove 403 are in a positive T shape.

[0033] Specifically, in this embodiment, the end of the ejector 2 located in the limiting receiving groove 40 is further provided with a second limiting block 21, and the end of the ejector 2 away from the product 100, that is, the lower end of the ejector 2, passes through the second through hole of the ejector panel 41 and is limitedly clamped in the second limiting groove 402 through the second limiting block 21. The end of the ejector 5 located in the limiting receiving groove 40 is provided with a third limiting block 51 connected to the second limiting block 21, and the end of the ejector 5 close to the ejector 2, that is, the upper end of the ejector 5, passes through the third through hole of the ejector bottom plate 42 and is limitedly clamped in the third limiting groove 403 through the third limiting block 51. The depth of the third limiting groove 403 is greater than the thickness of the third limiting block 51, so that an ejection stroke interval H is formed between the second limiting block 21 and the third limiting block 51 and the limiting receiving groove 40. Among them, the ejection stroke interval H should be greater than the mold closing ejection distance by at least 0.1 mm to prevent the product 100 from being damaged.

[0034] In this embodiment, the ejector panel 41 and the ejector bottom plate 42, and the second limit block 21 and the third limit block 51 can be installed and fixed by means of screw holes. The ejector panel 41 and the ejector bottom plate 42 are assembled into a desired position, and the ejector panel 4 is driven to rise and fall by another driving mechanism, such as a hydraulic mechanism, which is a prior art and is not specifically limited here.

[0035] In actual application, the in-mold automatic water gate cutting structure of the embodiment of the utility model is adopted. After the product is formed, the ejection distance in the forming closed mold is set by the main control device, and the cutter 1 is ejected toward the front mold to squeeze the water gate to the front mold and separate it from the product. It is convenient to replace the cutter 1, and it is also convenient to install or remove the support rod 3, the ejector 2 and the ejector rod 5 accordingly after disassembling the ejector panel 41 and the ejector bottom plate 42. The overall structure is simple and the disassembly and assembly operation is convenient. It can effectively ensure that the product quality after water gate cutting meets the production requirements without the need for secondary processing, so as to better improve the production efficiency.

[0036] It should be understood that ordinary technical workers in the field can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. An in-mold automatic water gate cutting structure, comprising a cutter arranged corresponding to the water gate and an ejector arranged corresponding to the product; characterized in that: One end of the cutter away from the water outlet is detachably connected to the support rod, and one end of the support rod away from the cutter is fixed in the top plate; one end of the ejector away from the product is arranged in the top plate, and a limited receiving groove is provided in the top plate at a position corresponding to the ejector, and an ejection stroke interval is formed between the limited receiving groove and the ejector, and in the process that the top plate drives the cutter to move toward the water outlet, the top plate pushes the ejector to move toward the product direction within the ejection stroke interval.

2. The in-mold automatic water gate cutting structure according to claim 1, characterized in that: A clamping block is provided at one end of the cutter away from the water inlet, and a clamping groove which is clamped and fixed with the clamping block is provided at one end of the support rod close to the cutter. The cutter and the support rod are detachably connected via the clamping block and the clamping groove.

3. The in-mold automatic water gate cutting structure according to claim 2 is characterized in that: The shape of the card slot is a cross or a triangle; the shape and size of the card block are matched with the card slot.

4. The in-mold automatic water gate cutting structure according to claim 1, characterized in that: One end of the support rod away from the cutter penetrates into the top plate and is provided with a first limit block, and the first limit block is fixedly clamped in the top plate.

5. The in-mold automatic water gate cutting structure according to claim 4, characterized in that: One end of the ejector away from the product penetrates into the ejector plate and is limited in the limiting receiving groove, one end of the ejector located in the limiting receiving groove is connected to a ejector rod, one end of the ejector rod connected to the ejector is limited in the limiting receiving groove, and one end of the ejector rod away from the ejector passes through the ejector plate and is located on the side of the ejector plate away from the ejector pin.

6. The in-mold automatic water gate cutting structure according to claim 5, characterized in that: A second limit block is also provided at one end of the ejector pin located in the limit receiving groove, and a third limit block connected to the second limit block is provided at one end of the ejector rod located in the limit receiving groove; an ejection stroke interval is formed between the second limit block, the third limit block and the limit receiving groove.

7. The in-mold automatic water gate cutting structure according to claim 6, characterized in that: The top plate includes an ejector panel and an ejector bottom plate which are overlapped, and a first limiting groove opposite to the ejector bottom plate is opened in the ejector panel; one end of the support rod away from the cutter penetrates into the top plate and is placed in the first limiting groove, and one end of the support rod away from the cutter is fixedly clamped in the first limiting groove by a first limiting block.

8. The in-mold automatic water gate cutting structure according to claim 7, characterized in that: A second limiting groove is further provided in the ejector panel at a position close to the first limiting groove, and a third limiting groove is provided in the ejector base plate at a position corresponding to the second limiting groove, and the notches of the second limiting groove and the third limiting groove are opposite to each other to form a limiting receiving groove; one end of the ejector away from the product passes through the ejector panel and is limitedly clamped in the second limiting groove by the second limiting block; one end of the ejector rod close to the ejector passes through the ejector base plate and is limitedly clamped in the third groove by the third limiting block.

9. The in-mold automatic water gate cutting structure according to claim 8, characterized in that: The width of the third limiting groove is greater than the width of the second limiting groove.

10. The in-mold automatic water gate cutting structure according to claim 8, characterized in that: The depth of the third limiting groove is greater than the thickness of the third limiting block.

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