CN217081026U - Combined pin for die hole - Google Patents
Combined pin for die hole Download PDFInfo
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- CN217081026U CN217081026U CN202220948265.4U CN202220948265U CN217081026U CN 217081026 U CN217081026 U CN 217081026U CN 202220948265 U CN202220948265 U CN 202220948265U CN 217081026 U CN217081026 U CN 217081026U
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- hole
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- nail body
- blocking head
- diameter
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Abstract
The utility model discloses a combined pin used in a hole of a die, which comprises a blocking head, wherein the blocking head is stuffed in the hole of the die, the blocking head made of rubber comprises an expanding section and a narrowing section which are integrated, and the outer diameters of the expanding section and the narrowing section are respectively larger than and smaller than the diameter of the hole when the blocking head is not extruded; the nail body is positioned in the hole of the die, the top of the nail body is exposed out of the hole, and the outer diameter of the nail body is smaller than the diameter of the hole; the compression spring is connected with the blocking head and the nail body; the opposite surfaces of the blocking head and the nail body are respectively provided with an internal thread hole and an external thread section which can be assembled with each other; the blocking head is also provided with annular folds which are in contact with the inner wall of the hole and the pressure spring. Adopt this utility model to provide a pin that possesses flexible elasticity, the pin is wide in the mould field application face, and the height of pin during the actual action is adjustable, wholly can also tightly assemble once, becomes traditional pin or convenient storage.
Description
Technical Field
The utility model relates to an used pin field of mould, concretely relates to combination formula pin for in mould hole.
Background
In the mold art, a large number of pins are also used, some of which are used to facilitate alignment of the upper and lower molds during mold closing and some of which are used to facilitate positioning of the workpiece to be stamped with the mold. The position of some pins is fixed, some pins have certain elastic expansion and contraction capacity, and the elastic expansion and contraction degree of the pins can also influence the positioning effect in different degrees, so that the elastic expansion and contraction degree of the pins can be finely adjusted according to the actual situation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a combination formula pin for in mould hole, provide a pin that possesses flexible elasticity, the pin is wide in mould field application face, and the height of pin during actual action is adjustable, wholly can also tightly assemble once, becomes traditional pin or convenient storage.
In order to solve the above problem, the utility model provides a combination formula pin for in mould hole, for reaching above-mentioned purpose, the utility model provides a technical scheme that its technical problem adopted is:
a combination pin for use in a mold bore, comprising: the blocking head is made of rubber and comprises an expanding section and a narrowing section which are integrated, and the outer diameters of the expanding section and the narrowing section are respectively larger than and smaller than the diameter of the hole when the blocking head is not extruded; the nail body is positioned in the hole of the die, the top of the nail body is exposed out of the hole, and the outer diameter of the nail body is smaller than the diameter of the hole; the compression spring is connected with the blocking head and the nail body; the opposite surfaces of the blocking head and the nail body are respectively provided with an internal thread hole and an external thread section which can be assembled with each other; the blocking head is also provided with annular folds which are in contact with the inner wall of the hole and the pressure spring.
The beneficial effect of adopting above-mentioned technical scheme is: the combined pin in the technical scheme can be widely applied to the die, and has wide application range as long as the die is provided with the holes, and no matter the holes are blind holes or through holes, the combined pin is fixed by the blocking head at the bottom.
The rubber stopper head is made of softer material and has larger friction force, and the depth of the stopper head in the hole can be adjusted at will at the beginning, so that the whole height of the pin can be finely adjusted, and the highest and lowest limit positions of the pin can be adjusted, thereby changing the limit effect of the pin. The higher the pin, the better the positioning effect; the lower the pin, the more convenient the action is taken and put during the operation. The annular folds can increase the axial maximum friction force after the blocking head is matched with the hole.
The pressure spring provides elastic potential energy for the nail body, and this technical scheme is mainly that blocking head, pressure spring, the three independent part of the nail body, so when the product is accomodate, in order to avoid each part to scatter and disappear, internal thread hole, external screw thread section are mutually supported, and the pressure spring is pressed in the centre, and three spare part assembly is once, constitutes a traditional pin that does not take the flexible ability, is convenient for practice thrift the volume, conveniently accomodate.
As the utility model discloses a further improvement, the reinforcement that metal material was pasted to choke point one end, the nail body also is the metal material, and the reinforcement is including exposing the section and stretching into the pre-buried section of choke point inside, and the internal thread hole site is in exposing the section.
The beneficial effect of adopting above-mentioned technical scheme is: the reinforcement is harder, and shape stability is good, so be fit for overall arrangement internal thread hole, also be fit for as the hammering face, the personnel of being convenient for will block the head and send into the hole depths.
As a further improvement of the utility model, the annular fold includes that the apex angle orientation direction of first barb and the opening direction of hole are acute angle contained angle on being located the respective surface of revolution of expansion section, narrowing section respectively.
The beneficial effect of adopting above-mentioned technical scheme is: the expanding section contacts with the inner wall of the hole, the blocking head is pressed into the hole conveniently, and meanwhile the blocking head is prevented from being taken out easily.
As the utility model discloses a further improvement again, the apex angle of second barb is the obtuse angle contained angle towards the opening direction of direction and hole, and the one end of pressure spring is passed to the narrowing section, and the diameter that the apex angle department of second barb corresponds is greater than the internal diameter of pressure spring, and the diameter that root department of second barb corresponds is less than the internal diameter of pressure spring.
The beneficial effect of adopting above-mentioned technical scheme is: the second barb hooks one end of the pressure spring, and the second barb can be used for several adjacent rings of the pressure spring to prevent the pressure spring from popping up.
As a further improvement of the utility model, along the opening direction of the hole, the nail body comprises an integral external thread section, a second cylindrical section, a first cylindrical section and a conical head in sequence.
The beneficial effect of adopting above-mentioned technical scheme is: the integrated nail body is convenient to process.
As the utility model discloses a further improvement again, the diameter of first cylinder section is greater than the external diameter of pressure spring, and the diameter of second cylinder section is less than the internal diameter of pressure spring.
The beneficial effect of adopting above-mentioned technical scheme is: the step between the first cylindrical section and the second cylindrical section is just provided for the other end of the pressure spring to contact and apply force.
As a further improvement of the utility model, the sum of the axial lengths of the second cylindrical section, the external thread section, the exposed section and the narrowing section is less than the axial length of the pressure spring under the non-pressed state.
The beneficial effect of adopting above-mentioned technical scheme is: under normal conditions, the nail body is not contacted with the blocking head, and the nail body is ensured to have a certain elastic telescopic space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a perspective view of an embodiment of the present invention;
fig. 3 is a schematic application diagram of an embodiment of the present invention.
1-a nail body; 1 a-a conical head; 1 b-a first cylindrical section; 1 c-a second cylindrical section; 1 d-external thread section; 2, pressing a spring; 3-a stopper head; 3 a-an expansion section; 3 b-narrowing section; 3 c-a first barb; 3 d-second barb; 4-a reinforcement; 4 a-an exposed section; 4 b-an internally threaded hole; 4 c-embedding section; 5-holes.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
in order to achieve the purpose of the utility model, a combination formula pin for in mould hole, include: the blocking head 3 is plugged into the hole 5 of the die, the blocking head 3 made of rubber comprises an expanding section 3a and a narrowing section 3b which are integrated, and the outer diameters of the expanding section 3a and the narrowing section 3b are respectively larger than and smaller than the diameter of the hole 5 when the blocking head 3 is not in a squeezing state; the nail body 1 is positioned in the hole 5 of the die, the top of the nail body 1 is exposed out of the hole 5, and the outer diameter of the nail body 1 is smaller than the diameter of the hole 5; the compression spring 2 is connected with the blocking head 3 and the nail body 1; the blocking head 3 and the nail body 1 are respectively provided with an internal thread hole 4b and an external thread section 1d which can be assembled with each other on the opposite surfaces; the blocking head 3 is also provided with annular folds which are contacted with the inner wall of the hole 5 and the pressure spring 2.
The beneficial effect of adopting above-mentioned technical scheme is: the combined pin in the technical scheme can be widely applied to the die, and has wide application range as long as the die is provided with the holes, and no matter the holes are blind holes or through holes, the combined pin is fixed by the blocking head at the bottom. The rubber stopper head is made of softer material and has larger friction force, and the depth of the stopper head in the hole can be adjusted at will at the beginning, so that the whole height of the pin can be finely adjusted, and the highest and lowest limit positions of the pin can be adjusted, thereby changing the limit effect of the pin. The higher the pin, the better the positioning effect; the lower the pin, the more convenient the action is taken and put during the operation. The annular folds can increase the axial maximum friction force after the blocking head is matched with the hole. The pressure spring provides elastic potential energy for the nail body, and this technical scheme is mainly that blocking head, pressure spring, the three independent part of the nail body, so when the product is accomodate, in order to avoid each part to scatter and disappear, internal thread hole, external screw thread section are mutually supported, and the pressure spring is pressed in the centre, and three spare part assembly is once, constitutes a traditional pin that does not take the flexible ability, is convenient for practice thrift the volume, conveniently accomodate.
In other embodiments of the present invention, as shown in fig. 3, the reinforcing member 4 attached with the metal material on one end of the plugging head 3, the nail body 1 are also made of the metal material, the reinforcing member 4 includes the exposed section 4a and the embedded section 4c extending into the interior of the plugging head 4, and the internal thread hole 4b is located on the exposed section 4 a.
The beneficial effect of adopting above-mentioned technical scheme is: the reinforcement is harder, and shape stability is good, so be fit for overall arrangement internal thread hole, also be fit for as the hammering face, the personnel of being convenient for will block the head and send into the hole depths.
In other embodiments of the present invention, the annular corrugation comprises a first barb 3c and a second barb 3d respectively located on the respective surfaces of revolution of the expanding section 3a and the narrowing section 3b, and the vertex angle of the first barb 3c is an acute angle included angle with the opening direction of the hole 5.
The beneficial effect of adopting above-mentioned technical scheme is: the expanding section contacts with the inner wall of the hole, the blocking head is pressed into the hole conveniently, and meanwhile the blocking head is prevented from being taken out easily.
The utility model discloses an in other embodiments, the apex angle orientation direction of second barb 3d is the obtuse angle contained angle with the opening direction of hole 5, and narrowing section 3b passes the one end of pressure spring 2, and the diameter that the apex angle department of second barb 3d corresponds is greater than the internal diameter of pressure spring 2, and the diameter that root department of second barb 3d corresponds is less than the internal diameter of pressure spring 2.
The beneficial effect of adopting above-mentioned technical scheme is: the second barb hooks one end of the pressure spring, and the second barb can be used for several adjacent rings of the pressure spring to prevent the pressure spring from popping up.
In other embodiments of the present invention, the nail body 1 sequentially comprises an external thread section 1d, a second cylindrical section 1c, a first cylindrical section 1b, and a conical head 1a along the opening direction of the hole 5.
The beneficial effect of adopting above-mentioned technical scheme is: the integrated nail body is convenient to process.
In other embodiments of the present invention, the diameter of the first cylindrical section 1b is greater than the outer diameter of the pressure spring 2, and the diameter of the second cylindrical section 1c is smaller than the inner diameter of the pressure spring 2.
The beneficial effect of adopting above-mentioned technical scheme is: the step between the first cylindrical section and the second cylindrical section is just provided for the other end of the pressure spring to contact and apply force.
In other embodiments of the present invention, the sum of the axial lengths of the second cylindrical section 1c, the external thread section 1d, the exposed section 4a, and the narrowed section 3b is smaller than the axial length of the compression spring 2 in the uncompressed state.
The beneficial effect of adopting above-mentioned technical scheme is: under normal conditions, the nail body is not contacted with the blocking head, and the nail body is ensured to have a certain elastic telescopic space.
Fig. 3 is also a longitudinal section, the pin of fig. 3 having been inserted into the hole 5 of the mould.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable people skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. A compound pin for use in a mold bore, comprising:
the blocking head is made of rubber and comprises an expanding section and a narrowing section which are integrated, and the outer diameters of the expanding section and the narrowing section are respectively larger than and smaller than the diameter of the hole when the blocking head is not extruded;
the nail body is positioned in the hole of the die, the top of the nail body is exposed out of the hole, and the outer diameter of the nail body is smaller than the diameter of the hole;
the compression spring is connected with the blocking head and the nail body;
the opposite surfaces of the blocking head and the nail body are respectively provided with an internal thread hole and an external thread section which can be assembled with each other; the blocking head is also provided with annular folds which are in contact with the inner wall of the hole and the pressure spring.
2. A composite pin for use in a die hole as in claim 1, wherein: the utility model discloses a stopper, including the blocking head, the nail body is equipped with the internal thread hole, the blocking head one end paste the reinforcement of metal material the nail body also is the metal material, the reinforcement is including exposing the section and stretching into the inside pre-buried section of blocking head, the internal thread hole site is in exposing on the section.
3. A composite pin for use in a die hole as in claim 2, wherein: the annular fold includes that it goes up first barb, second barb to be located expansion section, the respective surface of revolution of narrowing section respectively, the apex angle orientation direction of first barb is the acute angle contained angle with the opening direction of hole.
4. A composite pin for use in a die hole as in claim 3, wherein: the apex angle orientation direction of second barb is the obtuse angle contained angle with the opening direction of hole, the one end of pressure spring is passed to the narrowing section, the diameter that the apex angle department of second barb corresponds is greater than the internal diameter of pressure spring, the diameter that root department of second barb corresponds is less than the internal diameter of pressure spring.
5. A composite pin for use in a die hole as in claim 2, wherein: along the opening direction of the hole, the nail body sequentially comprises an external thread section, a second cylindrical section, a first cylindrical section and a conical head which are integrated.
6. A composite pin for use in a die hole as in claim 5, wherein: the diameter of the first cylindrical section is larger than the outer diameter of the pressure spring, and the diameter of the second cylindrical section is smaller than the inner diameter of the pressure spring.
7. A composite pin for use in a die hole as in claim 6, wherein: the sum of the axial lengths of the second cylindrical section, the external thread section, the exposed section and the narrowed section is smaller than the axial length of the pressure spring in an uncompressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948265.4U CN217081026U (en) | 2022-04-22 | 2022-04-22 | Combined pin for die hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948265.4U CN217081026U (en) | 2022-04-22 | 2022-04-22 | Combined pin for die hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081026U true CN217081026U (en) | 2022-07-29 |
Family
ID=82501556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220948265.4U Active CN217081026U (en) | 2022-04-22 | 2022-04-22 | Combined pin for die hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081026U (en) |
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2022
- 2022-04-22 CN CN202220948265.4U patent/CN217081026U/en active Active
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