CN221246831U - Mould thimble protection architecture - Google Patents
Mould thimble protection architecture Download PDFInfo
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- CN221246831U CN221246831U CN202322984525.0U CN202322984525U CN221246831U CN 221246831 U CN221246831 U CN 221246831U CN 202322984525 U CN202322984525 U CN 202322984525U CN 221246831 U CN221246831 U CN 221246831U
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- thimble
- main
- ejector pin
- mould
- mold
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- 230000004048 modification Effects 0.000 description 2
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- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a mold thimble protection structure, comprising: the ejector pin comprises two parts, namely a push rod for abutting against a blank, and a guide block for guiding the push rod, wherein the guide block is arranged on two sides of the push rod; the technical scheme of the utility model ensures that the thimble is always in a protected state when moving by optimizing the structure of the die, reduces the risk of breakage of the thimble, reduces the damage of the thimble, reduces the loss of die accessories and reduces the risk of damage of the thimble.
Description
Technical Field
The utility model relates to the technical field of mold equipment, in particular to a mold thimble protection structure.
Background
The cold heading equipment is used for producing a plurality of slender products, and because the ejector pins of the equipment are slender, the ejector pins are easy to break and lose efficacy in the process of ejecting the products. Because the ejector mechanism of general cold heading equipment is at the during operation, the thimble only receives the constraint of product and mobile jib, and has great clearance between mould shell, the die cavity, in the longer product in-process of production part, the length of part pole has decided the length that the thimble can freely move, produces the skew easily under the state of lacking the protection, and then takes place the fracture, makes equipment and product impaired.
Disclosure of utility model
The utility model provides a mold thimble protection structure which can effectively solve the problems.
The utility model is realized in the following way:
The utility model provides a mold thimble protection structure, comprising: the ejector pin comprises two parts, namely a push rod for abutting against a blank, and a guide block for guiding the push rod, wherein the guide block is arranged on two sides of the push rod; the main mould rear cushion is provided with a chute for placing the thimble and the main rod, the chute is provided with a cylindrical thimble groove, and main rod grooves are arranged on two sides of the thimble groove.
As a further improvement, the main bar groove is fan-shaped.
As a further improvement, the fan-shaped included angle of the main rod groove is 50-70 degrees.
As a further improvement, a limiting groove for limiting is formed in the outer side wall of the main die.
As a further improvement, the height of the mold core is defined as b, the height of the main mold is a, and
As a further improvement, the movable length of the thimble is defined as c, and c < b.
The beneficial effects of the utility model are as follows:
The utility model has simple structure and ingenious design, the thimble is always constrained by the chute by changing the chute shape of the rear pad of the main die and configuring the corresponding main rod and arranging the guide block on the thimble, so that the thimble has no space for radial movement, and the thimble has no rotatable space by matching with the arrangement of the guide block, thereby avoiding the risk of breakage of the thimble, and further reducing the possibility of breakage of the thimble by limiting the movable length of the thimble.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the whole structure of a mold ejector pin protection structure according to the present utility model.
FIG. 2 is a schematic cross-sectional view of the entire structure of a mold ejector pin protection structure according to the present utility model.
FIG. 3 is a schematic view of a main mold rear pad of a mold ejector pin protection structure according to the present utility model.
FIG. 4 is a schematic cross-sectional view of a master mold rear pad of a mold ejector pin protection structure of the present utility model.
FIG. 5 is a schematic cross-sectional view of a main stem of a mold ejector pin protection structure according to the present utility model.
FIG. 6 is a schematic view of a thimble structure of a mold thimble protection structure according to the present utility model.
In the figure: 1-main mould, 2-mould core, 3-thimble, 31-push rod, 32-guide block, 4-main mould back pad, 41-chute, 411-main rod slot, 412-thimble slot, 5-main rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-6, a mold ejector pin protection structure includes: the mold comprises a main mold 1, a mold core 2, a thimble 3, a main mold rear cushion 4 and a main rod 5;
the utility model is characterized in that a limit groove for limiting the main die 1 is arranged on the outer side wall of the main die 1, a die core groove for placing the die core 2 is arranged on the main die 1, the depth of the die core groove is matched with the height of the die core 2, the height of the die core 2 is defined as b, the height of the main die 1 is a, and in order to avoid breakage of the ejector pins 3, the die core is provided with a plurality of limiting grooves Reduce thimble 3 in the activity space of mold core 2 avoids thimble 3 to stretch out too long in the mold core 2 for thimble 3 takes place to fracture in the mold core 2, main mould 1 is keeping away from the one end of mold core groove is provided with the confession thimble 3 places logical groove, logical groove cross-sectional shape with thimble 3 looks adaptation.
Further, the thimble 3 includes two parts, one part is the push rod 31 that is used for the butt blank, and the other part is the guide block 32, the guide block 32 is used for making thimble 3 only moves along the axial, avoids thimble 3 takes place to rotate when being released, reduces the risk that the thimble 3 breaks, the guide block 32 set up in the both sides of push rod 31, if the length of mold core 2 is shorter can set up the guide block 32 in the mid portion of push rod 31, if the length of mold core 2 is longer can set up the guide block 32 in the push rod 31 is close to the one end department of mobile jib 5, in this embodiment, the preferred guide block 32 set up in the one end department of push rod 31 is close to mobile jib 5.
Further, the lower end of the main die 1 is connected with the main die rear pad 4, the main die rear pad 4 is provided with a chute 41 for placing the thimble 3 and the main rod 5, the chute 41 is provided with a cylindrical thimble slot 411, two sides of the thimble slot 411 are provided with main rod slots 412, the main rod slots 412 are used for placing the main rod 5, and the cross section of the main rod slots 412 is required to be formed into a space for placing the guide block 32 at the joint of the main rod slots 411 under the condition that the function of the main rod 5 is not affected, so in the embodiment, the cross section of the main rod slots 412 is preferably provided to be fan-shaped, and the fan-shaped included angle is 50 to 70 degrees, then the cross section of the main rod 5 is formed by combining the thimble slots 411 with the main rod slots 412, and the chute 41 ensures that the strength of the main rod is not affected under the condition that the thimble 3 is constrained.
Further, the utility model is embodied in:
Placing a mold core 2 in a mold core groove of the main mold 1, placing a thimble 3 from a through groove of the main mold 1, and connecting a main mold rear cushion 4, so that the thimble 3 passes through a sliding groove 41 and is abutted against a main rod 5; during processing, blank material is extruded into the mold core 2 by the die, after the workpiece is formed, the die is withdrawn, the ejector pin 3 is pushed out by the main rod 5, then the workpiece is separated from the mold core 2 and clamped to the next station by the clamp, because the shape of the sliding groove 41 in the main die rear pad 4 is special, the ejector pin 3 is always in a restrained state when pushed out, no space capable of radially moving is provided, the ejector pin 3 is provided with a space capable of rotating around the axis through the guide block 32, the ejector pin can only move along the axial direction, the possibility that the ejector pin 3 breaks due to large clearance is avoided, the movable length of the ejector pin 3 is limited to be smaller than the height of the mold core 2, the ejector pin 3 cannot extend out of the mold core 2 when pushed out, the risk that the ejector pin 3 is damaged due to the exposure of the mold core 2 is avoided, the service life of the ejector pin is prolonged, and the workpiece damage caused by the ejector pin breakage is avoided.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A mold ejector pin protection structure, comprising: the novel plastic mould is characterized by comprising a main mould (1), a mould core (2), a thimble (3), a main mould rear pad (4) and a main rod (5),
The thimble (3) comprises two parts, one part is a push rod (31) for abutting against the blank, the other part is a guide block (32) for guiding the push rod (31), and the guide blocks (32) are arranged on two sides of the push rod (31);
The main die rear cushion (4) is provided with a sliding groove (41) for placing the ejector pins (3) and the main rod (5), the sliding groove (41) is provided with a cylindrical ejector pin groove (412), and main rod grooves (411) are formed in two sides of the ejector pin groove (412).
2. A mold ejector pin protection structure according to claim 1, characterized in that the main rod groove (411) is sector-shaped.
3. A mould ejector pin protection structure according to claim 2, characterized in that the main rod groove (411) has a fan-shaped angle of 50 ° to 70 °.
4. The mold ejector pin protection structure according to claim 1, wherein a limiting groove for limiting is formed in the outer side wall of the main mold (1).
5. A mould ejector pin protection structure according to claim 1, characterized in that the height of the mould core (2) is defined as b, the height of the main mould (1) is a, and
6. A mould ejector pin protection structure according to claim 1, characterized in that the movable length of the ejector pin (3) is defined as c, and c < b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322984525.0U CN221246831U (en) | 2023-11-06 | 2023-11-06 | Mould thimble protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322984525.0U CN221246831U (en) | 2023-11-06 | 2023-11-06 | Mould thimble protection architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221246831U true CN221246831U (en) | 2024-07-02 |
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ID=91652638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322984525.0U Active CN221246831U (en) | 2023-11-06 | 2023-11-06 | Mould thimble protection architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221246831U (en) |
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2023
- 2023-11-06 CN CN202322984525.0U patent/CN221246831U/en active Active
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