Inclined ejector pin ejection structure of mold

Abstract

The utility model discloses an inclined ejector pin ejection structure of a mold, which comprises a fixed mold frame, an inclined ejector pin component for ejecting a product is obliquely arranged below the fixed mold frame, a mold supporting seat positioned on the left side of the inclined ejector pin component is arranged on the lower surface of the fixed mold frame, and the fixed mold frame comprises a side frame plate arranged on the left side. A rotary demolding mechanism is arranged between the left side of the side frame plate and the inclined ejector pin component, the rotary demolding mechanism comprises a rotary plate rotationally mounted on the front surface and the rear surface of the mold supporting seat, the right end of the rotary plate is rotationally connected with the inclined ejector pin component, and a connecting plate is vertically arranged at the left end of the rotary plate; through the rotary demolding mechanism combined with the ejector pin component, the side frame plate can be driven to move leftwards to be separated from the fixed mold frame during demolding, so that the condition that the side frame plate extrudes the surface of a product during upward demolding of the internal product is avoided, factors influencing the surface quality of the product are reduced, and the demolding convenience of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to an inclined ejector pin ejection structure of a mold. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products through methods such as injection molding, blow molding, extrusion, die-casting or forging, smelting, and stamping. One of the important components of the mold is the bevel ejector pin structure, which is composed of a bevel ejector rod, a guide block, and a bevel ejector seat. For example, the publication number CN213257046U describes a delayed ejection structure for a mold bevel ejector pin that prevents product scratches. The delayed ejection structure for a mold bevel ejector pin that prevents product scratches has a slot that engages with the bevel pin block, a slide slot that is slidably connected to the bevel ejector pin, and the bevel ejector pin is raised and lowered to facilitate demolding of the mold block from the mold frame. The rubber pad prevents the bevel pin block from damaging the bottom of the product. The telescopic arm on the hydraulic cylinder is connected to the fixed plate, making it easy for the user to manually control the lifting and lowering of the fixed plate, thereby allowing the bevel ejector pin to slowly move on the column, making the bevel ejector pin more stable for demolding.

[0003] In the above-mentioned patent, when the inclined ejector ejects the product, the tendency of the inclined ejector to move causes the product to be laterally squeezed against the mold frame, which may cause extrusion wear on the side of the product and affect the surface quality of the product. Therefore, we propose a mold inclined ejector ejection structure. Utility Model Content

[0004] The purpose of the utility model is to provide a slanted ejector pin ejection structure for a mold to solve the problem in the above background art that the slanted ejector pin may cause the product to deviate laterally when ejecting the product, thereby damaging the product surface.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slanted ejector pin ejection structure of a mold, comprising a fixed mold frame, an slanted ejector pin component for ejecting a product is obliquely arranged below the fixed mold frame, a mold support seat located on the left side of the slanted ejector pin component is arranged on the lower surface of the fixed mold frame, the fixed mold frame comprises a side frame plate arranged on the left side, a rotating demolding mechanism is arranged between the left side of the side frame plate and the slanted ejector pin component, the rotating demolding mechanism comprises a rotating plate rotatably mounted on the front and rear surfaces of the mold support seat, the right end of the rotating plate is rotatably connected to the slanted ejector pin component, a connecting plate is vertically arranged on the left end of the rotating plate, and the connecting plate is movably connected to the left side of the side frame plate.

[0006] Preferably, a fixed pull plate is vertically provided on the left side of the side frame plate, a rectangular sliding hole is opened on the surface of the fixed pull plate along its height direction, a sliding rod is rotatably provided on the upper end of the connecting plate, the inner end of the sliding rod passes through the rectangular sliding hole and is exposed to the outside, and the sliding rod is provided with limiting plates respectively located on the front and rear surfaces of the fixed pull plate.

[0007] Preferably, the front and rear surfaces of the inclined ejector pin component are both provided with fixed seats, the rotating plate is rotatably connected to the rectangular notch opened on the surface of the fixed seat, and the front and rear surfaces of the mold support seat are both provided with mounting shafts passing through the rotating plate.

[0008] Preferably, a guide sealing component is provided between the side frame plate and the fixed mold frame, the guide sealing component includes a sealing groove opened on the left side of the fixed mold frame, a sealing strip corresponding to the sealing groove is provided on the inner side surface of the side frame plate, guide rods are provided on the front and rear surfaces of the left end of the fixed mold frame, and guide sleeves are provided on the front and rear surfaces of the side frame plate and are sleeved on the guide rods.

[0009] Preferably, the front and rear surfaces of the fixed mold frame are provided with a material-push-away component, and the material-push-away component includes a fixed shaft provided on the front and rear surfaces of the fixed mold frame, a material-push-away rod is rotatably provided on the fixed shaft, a rectangular frame plate is provided on the outer surface of the material-push-away rod, a base is provided obliquely on the front and rear surfaces of the fixed mold frame, and a driving cylinder is provided on the upper surface of the base which is slidably connected to the rectangular frame plate.

[0010] Preferably, a guide slider is rotatably provided on the upper end of the piston rod arranged inside the driving cylinder, and the guide slider is slidably installed inside the rectangular frame plate.

[0011] Preferably, the inclined ejector pin component comprises a needle plate, an upper surface of the needle plate is provided with an ejector pin, and a push block passing through the bottom of the fixed mold frame is provided on the top of the ejector pin.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The utility model uses a rotating demoulding mechanism combined with an ejector pin component to drive the side frame plate to move leftward and away from the fixed mold frame during demoulding, so that the side frame plate will not squeeze the product surface when the internal product is demoulded upward, thereby reducing factors affecting the surface quality of the product and increasing the convenience of product demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of the inclined ejector pin structure of the mold of the utility model;

[0015] Figure 2 For this utility model Figure 1 The left side structural diagram of the rotating demoulding mechanism;

[0016] Figure 3 For this utility model Figure 2 A schematic structural diagram of the middle guide sealing component;

[0017] Figure 4 For this utility model Figure 1 A schematic diagram of the structure of the middle material-diverting component when viewed from above;

[0018] In the figure: 100, fixed mold frame; 101, side frame plate; 200, mold support seat; 300, rotating demoulding mechanism; 301, fixed seat; 302, rotating plate; 303, mounting shaft; 304, connecting plate; 305, fixed pull plate; 306, slide rod; 307, rectangular slide hole; 400, material removal component; 401, material removal rod; 402, base; 403, driving cylinder; 404, fixed shaft; 405, guide slider; 406, rectangular frame plate; 500, inclined ejector pin component; 600, guide sealing component; 601, guide rod; 602, guide sleeve; 603, sealing strip; 604, sealing groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example 1

[0021] See also Figure 1-Figure 3 The utility model provides a technical solution: a structure for ejecting a product with an inclined ejector pin, comprising a fixed mold frame 100, wherein an inclined ejector pin component 500 for ejecting a product is arranged obliquely below the fixed mold frame 100, and the inclined ejector pin component 500 can be connected to an external ejection system and can be tilted and moved under external force. A mold support seat 200 is arranged on the lower surface of the fixed mold frame 100 and is located on the left side of the inclined ejector pin component 500. The mold support seat 200 can support the fixed mold frame 100, and the fixed mold frame 100 includes a side frame plate 101 arranged on the left side. The side frame plate 101 can move a certain distance to the left. A rotating demoulding mechanism 300 is arranged between the left side of the side frame plate 101 and the inclined ejector pin component 500, and the rotating demoulding mechanism 300 is arranged by connecting with the inclined ejector pin component 500. 0, can drive the side frame plate 101 to move to the left and separate from the fixed mold frame 100 during demoulding, so that the side frame plate 101 will not squeeze the product surface when the internal product is demoulded upward, reducing the factors affecting the surface quality of the product. The rotating demoulding mechanism 300 includes a rotating plate 302 rotatably installed on the front and rear surfaces of the mold support seat 200, and the right end of the rotating plate 302 is rotatably connected to the inclined ejector member 500. As the inclined ejector member 500 tilts and moves upward to eject the material, it will drive the rotating plate 302 to rotate. A connecting plate 304 is vertically provided at the left end of the rotating plate 302. The connecting plate 304 is movably connected to the left side of the side frame plate 101. The rotation of the connecting plate 304 can drive the side frame plate 101 to move slightly to the left.

[0022] In this embodiment, preferably, a fixed pull plate 305 is vertically provided on the left side of the side frame plate 101, and a rectangular sliding hole 307 is opened on the surface of the fixed pull plate 305 along its height direction, so that the slide rod 306 can slide downward in the rectangular sliding hole 307. A sliding rod 306 is rotatably provided on the upper end of the connecting plate 304, and the inner end of the sliding rod 306 passes through the rectangular sliding hole 307 and is exposed to the outside, and a limiting plate is provided on the sliding rod 306, which is respectively located on the front and rear surfaces of the fixed pull plate 305. The diameter of the limiting plate is larger than the width of the rectangular sliding hole 307, so that the sliding rod 306 and the rectangular sliding hole 307 will not be detached.

[0023] In this embodiment, preferably, a fixed seat 301 is provided on the front and rear surfaces of the inclined ejector component 500, and the rotating plate 302 is rotatably connected to the rectangular notch opened on the surface of the fixed seat 301. The two are rotatably connected to facilitate the oblique upward movement of the inclined ejector component 500, and the front and rear surfaces of the mold support seat 200 are provided with an installation shaft 303 passing through the rotating plate 302, which facilitates the rotation of the rotating plate 302 around the installation shaft 303.

[0024] In this embodiment, preferably, a guide sealing component 600 is provided between the side frame plate 101 and the fixed mold frame 100. The guide sealing component 600 can seal the connection between the two without affecting product production and processing. The guide sealing component 600 includes a sealing groove 604 opened on the left side of the fixed mold frame 100, and a sealing strip 603 corresponding to the sealing groove 604 is provided on the inner side surface of the side frame plate 101. The two are snap-fitted and connected so that there is no gap between them, which facilitates product processing. Guide rods 601 are provided on the front and rear surfaces of the left end of the fixed mold frame 100, and guide sleeves 602 are provided on the front and rear surfaces of the side frame plate 101 and are sleeved on the guide rod 601. The two slide together so that the side frame plate 101 will not be laterally offset.

[0025] In summary, when in use, the inclined ejector member 500 moves upwardly and tiltedly under the external force of the external ejection system, and the right end of the rotating plate 302 rotates upwardly as the inclined ejector member 500 moves, and the left end of the rotating plate 302 and the connecting plate 304 rotate downwardly, and the connecting plate 304 rotates to pull the fixed pull plate 305 to the left, driving the slide rod 306 to rotate and slide downward in the rectangular slide hole 307, and the fixed pull plate 305 moves slightly to the left to drive the side frame plate 101 to move to the left. As the product is ejected by the inclined ejector member 500, the side frame plate 101 01 moves slightly to the left, and the side frame plate 101 will not cause additional extrusion to the product, so that the surface of the product will not be damaged due to extrusion, which increases the safety and stability of the product during processing. After the product is completely demoulded, the inclined ejector component 500 moves downward, driving the right end of the rotating plate 302 to rotate downward, and the left end of the rotating plate 302 drives the connecting plate 304 and the fixed pull plate 305 to return to their original positions, and the sealing strip 603 is re-embedded in the sealing groove 604. The side frame plate 101 returns to its original position and cooperates with the fixed mold frame 100, which is convenient for the next production and processing of the product.

[0026] Example 2

[0027] Reference Figure 4 , which is the second embodiment of the present utility model, and this embodiment is different from the previous embodiment.

[0028] In this embodiment, preferably, the front and rear surfaces of the fixed mold frame 100 are provided with a material-prying component 400, and the material-prying component 400 includes a fixed shaft 404 provided on the front and rear surfaces of the fixed mold frame 100, and a material-prying rod 401 is rotatably provided on the fixed shaft 404. The material-prying rod 401 is L-shaped, and the free end can extend to the right side of the fixed mold frame 100. A rectangular frame plate 406 is provided on the outer surface of the material-prying rod 401, and a base 402 is obliquely provided on the front and rear surfaces of the fixed mold frame 100. The upper surface of the base 402 is provided with a driving cylinder 403 that is slidably connected to the rectangular frame plate 406, and the upper end of the piston rod provided inside the driving cylinder 403 is rotatably provided with a guide slider 405. The two are rotatably connected to facilitate the adaptation of the material-prying rod 401 to rotate, and the guide slider 405 is slidably installed inside the rectangular frame plate 406. The guide slider 405 can be I-shaped, so that when the guide slider 405 slides with the rectangular frame plate 406, there will be no abnormal separation.

[0029] In this embodiment, preferably, the inclined ejector component 500 includes a needle plate, an ejector is provided on the upper surface of the needle plate, a push block is provided on the top of the ejector and passes through the bottom of the fixed mold frame 100, and an inclined hole is opened at the bottom of the fixed mold frame 100 for the ejector to pass through at an angle.

[0030] In summary, when in use, the driving cylinder 403 works, the internal piston rod extends, and the push guide slider 405 slides in the rectangular frame plate 406, and as the guide slider 405 and the piston rod rotate, the piston rod extends at the same time, driving the material removal rod 401 to rotate around the fixed axis 404, and the free end of the material removal rod 401 rotates to the left to remove the demoulded product to the left, thereby increasing the convenience of product unloading. After the product is unloaded, the piston rod retracts, driving the material removal rod 401 to rotate downward and re-position it on the outside of the fixed mold frame 100, which does not affect the mold closing and reuse.

[0031] Example 3

[0032] This embodiment is obtained by combining Example 1 and Example 2.

[0033] During use, the mold is closed for product production. When the product needs to be demoulded, the inclined ejector component 500 moves under the pushing of the ejection system, and at the same time drives the rotating demoulding mechanism 300 to rotate. At the same time, it can drive the side frame plate 101 to move slightly to the left, reducing the squeezing damage of the side frame plate 101 to the product. After the product is completely demoulded, the material shifting component 400 is used to shift the product to the left for unloading, thereby increasing the stability and convenience of product production and processing.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A structure for ejecting a mold with an inclined ejector pin, comprising a fixed mold frame (100), wherein an inclined ejector pin component (500) for ejecting a product is obliquely arranged below the fixed mold frame (100), and a mold support seat (200) is arranged on the lower surface of the fixed mold frame (100) and is located on the left side of the inclined ejector pin component (500), characterized in that: The fixed mold frame (100) comprises a side frame plate (101) arranged on the left side, a rotating demoulding mechanism (300) is arranged between the left side of the side frame plate (101) and the inclined ejector member (500), the rotating demoulding mechanism (300) comprises a rotating plate (302) rotatably mounted on the front and rear surfaces of the mold support seat (200), the right end of the rotating plate (302) is rotatably connected to the inclined ejector member (500), and a connecting plate (304) is vertically arranged at the left end of the rotating plate (302), and the connecting plate (304) is movably connected to the left side of the side frame plate (101).

2. The inclined ejector pin ejection structure of a mold according to claim 1, characterized in that: A fixed pull plate (305) is vertically arranged on the left side of the side frame plate (101), and a rectangular sliding hole (307) is opened on the surface of the fixed pull plate (305) along its height direction. A sliding rod (306) is rotatably arranged on the upper end of the connecting plate (304), and the inner end of the sliding rod (306) passes through the rectangular sliding hole (307) and is exposed to the outside, and the sliding rod (306) is sleeved with limit plates respectively located on the front and rear surfaces of the fixed pull plate (305).

3. The inclined ejector pin ejection structure of a mold according to claim 2, characterized in that: The front and rear surfaces of the inclined ejector pin component (500) are both provided with a fixed seat (301), the rotating plate (302) is rotatably connected to a rectangular notch opened on the surface of the fixed seat (301), and the front and rear surfaces of the mold support seat (200) are both provided with a mounting shaft (303) penetrating the rotating plate (302).

4. The inclined ejector pin ejection structure of a mold according to claim 1, characterized in that: A guide sealing component (600) is arranged between the side frame plate (101) and the fixed mold frame (100), the guide sealing component (600) comprises a sealing groove (604) opened on the left side of the fixed mold frame (100), a sealing strip (603) corresponding to the sealing groove (604) is arranged on the inner side surface of the side frame plate (101), a guide rod (601) is arranged on the front and rear surfaces of the left end of the fixed mold frame (100), and a guide sleeve (602) sleeved on the guide rod (601) is arranged on the front and rear surfaces of the side frame plate (101).

5. The inclined ejector pin ejection structure of a mold according to claim 1, characterized in that: The front and rear surfaces of the fixed mold frame (100) are provided with a material-moving component (400), and the material-moving component (400) comprises a fixed shaft (404) provided on the front and rear surfaces of the fixed mold frame (100), a material-moving rod (401) is rotatably provided on the fixed shaft (404), a rectangular frame plate (406) is provided on the outer surface of the material-moving rod (401), a base (402) is obliquely provided on the front and rear surfaces of the fixed mold frame (100), and a driving cylinder (403) slidably connected to the rectangular frame plate (406) is provided on the upper surface of the base (402).

6. The inclined ejector pin ejection structure of a mold according to claim 5, characterized in that: A guide slider (405) is rotatably provided on the upper end of a piston rod arranged inside the driving cylinder (403), and the guide slider (405) is slidably installed inside a rectangular frame plate (406).

7. The inclined ejector pin ejection structure of a mold according to claim 1, characterized in that: The inclined ejector pin component (500) comprises a needle plate, an ejector pin is arranged on the upper surface of the needle plate, and a push block is arranged on the top of the ejector pin and passes through the bottom of the fixed mold frame (100).

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