Die

Abstract

The embodiment of the utility model discloses a mould, which comprises a straight ejector block, an inclined ejector block, a sliding block, an ejector rod and a guide pillar, the straight ejector block is provided with a containing cavity, the inclined ejector block is arranged in the containing cavity, the inclined ejector block and the straight ejector block are enclosed to form an inverted buckling cavity, the inclined ejector block is provided with a sliding groove, the sliding block is connected in the sliding groove in a sliding mode, and the ejector rod is connected with the sliding block and extends along a first direction. The guide column is connected with the inclined ejector block, extends in the second direction and is used for guiding the inclined ejector block, an included angle is formed between the first direction and the second direction, the sliding block drives the inclined ejector block to move in the process that the ejector rod drives the sliding block to move in the first direction, and the inclined ejector block can move in the direction away from the inverted buckle relative to the sliding block and move in the second direction under the guidance of the guide column; the ejector rods move straightly relative to the mold, so that the ejector rods do not influence each other in movement, interference of parts is avoided, and the reliability of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold undercut demoulding, in particular to a mold. Background Art

[0002] The inclined ejector is a mechanism used in mold design to form an internal undercut of a product. When an undercut appears on the inner surface of the side wall of a product, the use of an inclined ejector is often a very effective method. During ejection, the inclined ejector moves horizontally relative to the product at the same time, thereby removing the product.

[0003] The general working principle of the inclined ejector: In the past, the inclined ejector was pushed forward at a certain angle. After a certain distance forward, it moved horizontally relative to the product, so that the product was detached. The inverted position of the product was out of contact with the inner side of the plastic, so that the product could be taken out smoothly.

[0004] The automobile plastic bumper has strength, rigidity and decorativeness. From the perspective of safety, it can play a buffering role and protect the front and rear bodies of the car when a collision occurs; from the perspective of appearance, it can be naturally combined with the car body, forming a whole, with good decorativeness, and become an important component for decorating the appearance of the car. This bumper has a feature that there is a large cap straight ejector block on it to complete the specific internal parting and demolding of the bumper, so there is a secondary ejection movement on the ejector plate. The first ejection is the movement of the first ejector plate, the second ejector plate, the large cap straight ejector block and the inclined ejector together; when it moves to a certain distance, the large cap straight ejector block and the second ejector plate stop moving; the second ejection is the movement of the first ejector plate and the inclined ejector together to complete the complete ejection of the product, so in the two ejection movements, because the ejector rods between the traditional inclined ejectors and the inclined ejector seat structures are inclined relative to the mold, resulting in the ejector rods being too long, and each ejector rod needs to move tilted, so it is necessary to control the ejection order of each ejector plate, otherwise it is easy to cause interference of components, thereby affecting the reliability of the structure. Utility Model Content

[0005] Based on this, it is necessary to provide a mold aimed at solving the technical problem that since the ejector rods between the traditional inclined ejectors and the inclined ejector seat structures are inclined relative to the mold, the length of the ejector rods is too long, and each ejector rod needs to be tilted and moved, it is necessary to control the ejection order of each ejector plate, otherwise interference of components is likely to occur, thereby affecting the reliability of the structure.

[0006] The utility model provides a mold, the mold comprises a straight ejector block, an inclined ejector block, a slider, an ejector rod and a guide column, the straight ejector block is provided with a receiving cavity, the inclined ejector block is arranged in the receiving cavity and enclosed with the straight ejector block to form an undercut cavity, the inclined ejector block is provided with a slide groove, the slider is slidably connected in the slide groove, the ejector rod is connected to the slider and extends along a first direction, the guide column is connected to the inclined ejector block and extends along a second direction, the guide column is used to guide the inclined ejector block, and the first direction and the second direction are arranged at an angle;

[0007] When the push rod drives the slider to move along the first direction, the slider drives the inclined push block to move. Under the guidance of the guide column, the inclined push block can move in a direction away from the undercut relative to the slider and move along the second direction.

[0008] In one embodiment, the sliding block is a T-block, and the sliding groove is a T-slot.

[0009] In one embodiment, the mold further includes a first guide sleeve and a second guide sleeve, the first guide sleeve is installed on the straight ejector block and sleeved with the ejector rod, and the second guide sleeve is installed on the straight ejector block and sleeved with the guide column.

[0010] In one embodiment, the mold further includes a movable template and a guide block, the straight ejector block is mounted on the movable template, the guide block is mounted on the movable template, and the ejector rod is sleeved thereon.

[0011] In one embodiment, the mold further includes a first ejector plate and a fastener, wherein the fastener passes through the first ejector plate and is connected to the ejector rod.

[0012] In one embodiment, the mold further includes a gasket installed between the ejector pin and the first ejector plate.

[0013] In one embodiment, two guide columns are provided and are arranged on both sides of the inclined top block, the two guide columns are provided with a first water channel, the inclined top block is provided with a second water channel, and each of the first water channels is connected to the second water channel respectively.

[0014] In one embodiment, the mold further comprises a locking block, and the guide column is connected to the inclined ejector block via the locking block;

[0015] The mold further comprises a sealing ring, which is installed at the connection between the inclined ejector block and the guide column.

[0016] In one embodiment, the mold further includes a second ejector plate, which is connected to the straight ejector block and is used to drive the straight ejector block to move along the first direction.

[0017] In one embodiment, the mold further includes a square iron and a bottom plate, and the movable mold plate is mounted on the bottom plate through the square iron.

[0018] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0019] The mold of the utility model is adopted, and the straight ejector block of the mold is provided with a accommodating cavity, the inclined ejector block is arranged in the accommodating cavity and enclosed with the straight ejector block to form an undercut cavity, the inclined ejector block is provided with a slide groove, the slider is slidably connected in the slide groove, the ejector rod is connected to the slider and extends along the first direction, the guide column is connected to the inclined ejector block and extends along the second direction, the guide column is used to guide the inclined ejector block, and in the process of the ejector rod driving the slider to move along the first direction, the slider drives the inclined ejector block to move, and under the guidance of the guide column, the inclined ejector block can move relative to the slider away from the undercut direction and move along the second direction, so that the movement mode of the ejector rod is a straight upward movement relative to the mold, so that the movements of each ejector rod do not affect each other, and there will be no interference of components, thereby improving the reliability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] in:

[0022] Figure 1 It is a partial isometric schematic diagram of a mold in one embodiment.

[0023] Figure 2 for Figure 1 Schematic diagram of the inclined ejector block in the mold shown.

[0024] Figure 3 for Figure 1 Schematic diagram of the slider, ejector rod, guide post, first guide sleeve, second guide sleeve and guide block in the mold shown.

[0025] Figure 4 for Figure 3 A partial enlarged schematic diagram of part A in the mold shown.

[0026] Reference numerals:

[0027] 1. Straight ejector block; 2. Inclined ejector block; 21. Slide; 3. Slider; 4. Ejector rod; 5. Guide column; 6. First guide sleeve; 7. Second guide sleeve; 8. Moving template; 9. Guide block;

[0028] 201, first ejector plate; 202, fastener; 203, gasket; 204, locking block; 205, sealing ring; 206, second ejector plate; 207, square iron; 208, bottom plate; 100, undercut cavity. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the 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 scope of protection of the utility model.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0032] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0033] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0034] Please combine Figures 1 to 4 , the mold provided by the utility model is now described.

[0035] The mold includes a straight ejector block 1, an inclined ejector block 2, a slider 3, an ejector rod 4 and a guide column 5. The straight ejector block 1 is provided with a accommodating cavity. The inclined ejector block 2 is arranged in the accommodating cavity and is enclosed with the straight ejector block 1 to form an undercut cavity 100. The inclined ejector block 2 is provided with a slide groove 21. The slider 3 is slidably connected in the slide groove 21. The ejector rod 4 is connected to the slider 3 and extends along a first direction. The guide column 5 is connected to the inclined ejector block 2 and extends along a second direction. The guide column 5 is used to guide the inclined ejector block 2. The first direction and the second direction are arranged at an angle.

[0036] When the push rod 4 drives the slider 3 to move in the first direction, the slider 3 drives the inclined push block 2 to move. Under the guidance of the guide column 5, the inclined push block 2 can move in the direction away from the undercut relative to the slider 3 and move in the second direction.

[0037] It can be understood that the straight ejector block 1 of the mold is provided with a accommodating cavity, the inclined ejector block 2 is arranged in the accommodating cavity, and is enclosed with the straight ejector block 1 to form an undercut cavity 100, the inclined ejector block 2 is provided with a slide groove 21, the slider 3 is slidably connected in the slide groove 21, the ejector rod 4 is connected to the slider 3 and extends along the first direction, the guide column 5 is connected to the inclined ejector block 2 and extends along the second direction, the guide column 5 is used to guide the inclined ejector block 2, and in the process of the ejector rod 4 driving the slider 3 to move along the first direction, the slider 3 drives the inclined ejector block 2 to move, and under the guidance of the guide column 5, the inclined ejector block 2 can move relative to the slider 3 away from the undercut direction and move along the second direction, so that the movement mode of the ejector rod 4 is a straight upward movement relative to the mold, so that the movements of each ejector rod 4 do not affect each other, and there will be no interference between components, thereby improving the reliability of the structure.

[0038] In addition, the mold of the utility model has a push rod 4 that moves straight up relative to the mold to drive the inclined push block 2 to move, compared with the push rod of the prior art that moves the inclined push block at an angle relative to the mold, the push rod 4 can be shorter and less likely to break. Compared with the prior art, the use of the inclined push seat is reduced, thereby reducing the occupied space.

[0039] It should be noted that, depending on the placement of the mold, the first direction can be a horizontal direction or a vertical direction. For ease of understanding, in the relevant embodiments, the first direction is a vertical direction, and the second direction forms an acute angle with the first direction.

[0040] It should be noted that, since the guide column 5 is inclined relative to the mold, when the ejector rod 4 drives the inclined ejector block 2 to move along the first direction, under the limit of the guide column 5, since the slide groove 21 and the slider 3 are slidably connected, the inclined ejector block 2 also moves along the second direction, so that the inclined ejector block 2 can be demoulded by inverted buckle.

[0041] In implementation, the slider 3 is a T-block, and the slide groove 21 is a T-slot. By setting the cooperation between the T-block and the T-slot, when the push rod 4 drives the inclined push block 2 to move along the first direction, under the guidance of the guide column 5, the inclined push block 2 can move relative to the T-block, so that the inclined push block 2 can be separated from the product surface. And when the push rod 4 is reset, the T-block can also drive the inclined push block 2 to reset.

[0042] In one embodiment, if Figure 3 and Figure 4As shown, the mold further includes a first guide sleeve 6 and a second guide sleeve 7. The first guide sleeve 6 is installed on the straight ejector block 1 and sleeved with the ejector rod 4. The second guide sleeve 7 is installed on the straight ejector block 1 and sleeved with the guide column 5. By providing the first guide sleeve 6, the ejector rod 4 can smoothly move relative to the straight ejector block 1. By providing the second guide sleeve 7, the guide column 5 can smoothly move relative to the straight ejector block 1.

[0043] In implementation, the first guide sleeve 6 is provided with a first retaining ring, which is used to limit the position of the first guide sleeve 6 in the straight top block 1. The second guide sleeve 7 is provided with a second retaining ring, which is used to limit the position of the second guide sleeve 7 in the straight top block 1.

[0044] In this embodiment, the mold further includes a movable platen 8 and a guide block 9, the straight ejector block 1 is mounted on the movable platen 8, the guide block 9 is mounted on the movable platen 8, and is sleeved with an ejector rod 4. By providing the guide block 9, the ejector rod 4 can move along the first direction.

[0045] In one embodiment, if Figure 1 and Figure 3 As shown, the mold further includes a first ejector plate 201 and a fastener 202, wherein the fastener 202 penetrates the first ejector plate 201 and is connected to the ejector rod 4. Specifically, the fastener 202 may be a screw. The fastener 202 penetrates the first ejector plate 201 and is threadedly connected to the ejector rod 4, so that the ejector rod 4 can be connected to the first ejector plate 201.

[0046] In this embodiment, the mold further includes a gasket 203, which is installed between the ejector pin 4 and the first ejector plate 201. By providing the gasket, the ejector pin 4 and the first ejector plate 201 will not be loose, so that the ejector pin 4 can be firmly connected to the first ejector plate 201.

[0047] In one embodiment, if Figure 3 and Figure 4 As shown, two guide pillars 5 are provided and arranged on both sides of the inclined top block 2. The two guide pillars 5 are provided with a first water path, and the inclined top block 2 is provided with a second water path, and each first water path is connected to the second water path. Specifically, the two first water paths can be an inlet and an outlet, and the cooling water of the inlet flows out of the outlet through the second water path, which can cool the inclined top block 2, thereby preventing the inclined top block 2 from being stuck due to overheating.

[0048] In this embodiment, the mold further comprises a locking block 204, and the guide column 5 is connected to the inclined ejector block 2 via the locking block 204. In this way, the guide column 5 can be stably mounted on the inclined ejector block 2.

[0049] Further, the mold further comprises a sealing ring 205, which is installed at the connection between the inclined ejector block 2 and the guide column 5. By providing the sealing ring 205, the cooling water will not leak from the connection between the guide column 5 and the second water channel, thereby ensuring the sealing performance.

[0050] Furthermore, the mold further includes an extended copper water pipe and a water nozzle, and the water nozzle is connected to the guide column 5 through the extended copper water pipe. The external cooling water source is connected to the water nozzle, and the cooling water enters the extended copper water pipe through the water nozzle, and the water in the extended copper water pipe enters the first water path. Although the guide column 5 is connected with the extended copper water pipe and the water nozzle, it is also shorter than the inclined ejector in the prior art, which can prevent interference of components.

[0051] In one embodiment, if Figure 1 As shown, the mold further includes a second ejector plate 206, which is connected to the straight ejector block 1 and is used to drive the straight ejector block 1 to move along the first direction. In this way, the straight ejector block 1 can move along the first direction.

[0052] In this embodiment, the mold further includes a square iron 207 and a bottom plate 208 , and the movable mold plate 8 is mounted on the bottom plate 208 via the square iron 207 .

[0053] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0054] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A mold, characterized in that: The mold comprises a straight ejector block, an inclined ejector block, a slider, an ejector rod and a guide column, the straight ejector block is provided with a receiving cavity, the inclined ejector block is arranged in the receiving cavity and encloses the straight ejector block to form an undercut cavity, the inclined ejector block is provided with a slide groove, the slider is slidably connected in the slide groove, the ejector rod is connected to the slider and extends along a first direction, the guide column is connected to the inclined ejector block and extends along a second direction, the guide column is used to guide the inclined ejector block, and the first direction and the second direction are arranged at an angle; When the push rod drives the slider to move along the first direction, the slider drives the inclined push block to move. Under the guidance of the guide column, the inclined push block can move in a direction away from the undercut relative to the slider and move along the second direction.

2. The mold according to claim 1, characterized in that: The sliding block is a T-shaped block, and the sliding groove is a T-shaped groove.

3. The mold according to claim 1, characterized in that: The mold further comprises a first guide sleeve and a second guide sleeve, wherein the first guide sleeve is mounted on the straight ejector block and sleeved with the ejector rod, and the second guide sleeve is mounted on the straight ejector block and sleeved with the guide column.

4. The mold according to claim 1, characterized in that: The mold also includes a movable template and a guide block. The straight ejector block is installed on the movable template. The guide block is installed on the movable template and is sleeved with the ejector rod.

5. The mold according to claim 1, characterized in that: The mold further comprises a first ejector plate and a fastener, wherein the fastener passes through the first ejector plate and is connected to the ejector rod.

6. The mold according to claim 5, characterized in that: The mold further includes a gasket installed between the ejector pin and the first ejector plate.

7. The mold according to claim 1, characterized in that: There are two guide columns, which are arranged on both sides of the inclined top block. The two guide columns are each provided with a first water channel, and the inclined top block is provided with a second water channel. Each of the first water channels is connected to the second water channel respectively.

8. The mold according to claim 7, characterized in that: The mold further comprises a locking block, and the guide column is connected to the inclined top block through the locking block; The mold further comprises a sealing ring, which is installed at the connection between the inclined ejector block and the guide column.

9. The mold according to claim 1, characterized in that: The mold further includes a second ejector plate, which is connected to the straight ejector block and is used to drive the straight ejector block to move along the first direction.

10. The mold according to claim 4, characterized in that: The mold also includes a square iron and a bottom plate, and the movable mold plate is installed on the bottom plate through the square iron.

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