CN214556854U - Positioning mechanism, stamping die and stamping equipment - Google Patents
Positioning mechanism, stamping die and stamping equipment Download PDFInfo
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- CN214556854U CN214556854U CN202120494065.1U CN202120494065U CN214556854U CN 214556854 U CN214556854 U CN 214556854U CN 202120494065 U CN202120494065 U CN 202120494065U CN 214556854 U CN214556854 U CN 214556854U
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Abstract
The utility model relates to a positioning mechanism, a stamping die and stamping equipment, wherein the positioning mechanism comprises a positioning piece and a conical surface guide part; the floating part is oppositely arranged at one end of the positioning part and is provided with a matching part matched with the conical surface guide part; the first biasing member is arranged at one end of the positioning member far away from the floating member; the second biasing member is arranged at one end of the floating member far away from the positioning member; the conical surface guide part is suitable for entering the positioning hole on the material belt under the action of the biasing force of the first biasing part so that the outer wall of the conical surface guide part is in line contact with the inner wall of the positioning hole, and the floating part is suitable for pressing the material belt between the positioning part and the floating part under the action of the biasing force of the second biasing part after the conical surface guide part enters the positioning hole of the material belt. The outer wall surface of the conical surface guide portion is in line contact with the inner wall surface of the positioning hole, the contact area is small, the outer wall surface of the conical surface guide portion is in gapless contact with the inner wall surface of the positioning hole, the positioning accuracy is high, and the material belt cannot be pulled up and bent.
Description
Technical Field
The utility model relates to a stamping process technical field especially relates to a positioning mechanism, stamping die and stamping equipment.
Background
The stamping process is a production technology which makes metal plate directly receive deformation force and deform in a stamping die by means of the power of conventional or special stamping equipment, so as to obtain products with certain shapes, sizes and performances. Bending is a very common and relatively basic process.
In order to ensure the precision of the product, a positioning mechanism is arranged in the stamping die to ensure the precision of the position of the material belt. Traditional positioning mechanism is the locating pin usually, in the use, utilizes the locating pin to insert and fixes a position in the material area locating hole to prevent that the material area from taking place to remove in the horizontal direction. According to the positioning mechanism, a gap is usually reserved between the positioning pin and the positioning hole of the material belt, the positioning precision is low, the positioning pin and the positioning hole are in surface contact, the contact area is large, the material belt is subjected to large friction force after the die is lifted in one stamping process, and therefore the risk of bending the material belt is caused by pulling.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the positioning mechanism position locating pin among the prior art, leaving the clearance between the locating hole on locating pin and the material area, the problem that positioning accuracy is low, and provide a positioning mechanism that positioning accuracy is high, have this positioning mechanism's stamping die and stamping equipment.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
an object of the utility model is to provide a positioning mechanism, include:
a positioning piece having a conical guide portion;
the floating part is arranged at one end of the positioning part opposite to the positioning part and is provided with a matching part which is matched with the conical surface guiding part and is far away from the positioning part and sunk;
the first biasing member is arranged at one end of the positioning member far away from the floating member and is suitable for exerting biasing force on the positioning member towards the direction of the floating member;
the second biasing member is arranged at one end of the floating member far away from the positioning member and is suitable for applying biasing force to the floating member towards the positioning member;
the conical surface guide part of the positioning piece is suitable for entering the positioning hole in the material belt under the action of the biasing force of the first biasing part so that the outer wall of the conical surface guide part is in line contact with the inner wall of the positioning hole, and the floating part is suitable for pressing the material belt between the positioning piece and the floating part under the action of the biasing force of the second biasing part after the conical surface guide part enters the positioning hole of the material belt.
Optionally, the positioning member includes:
a body portion having a main body portion and the tapered guide portion formed at an end of the main body portion remote from the first biasing member and a mount formed at an end of the main body portion close to the first biasing member;
the tail rod part is arranged on the hanging table;
the first biasing member is suitable for being sleeved outside the tail rod portion, and one end of the first biasing member abuts against the hanging table.
Optionally, in the positioning mechanism, the body portion and the tail rod portion are integrally formed.
Optionally, in the positioning mechanism, the float member is a float pin, and the fitting portion is a groove formed in an end portion of the float pin and recessed in the axial direction.
Optionally, in the positioning mechanism, the first biasing member and the second biasing member are both springs.
Another object of the utility model is to provide a stamping die, include:
the positioning mechanism of any of the above;
an upper die assembly to which the positioning member and the first biasing member are mounted;
a lower die assembly disposed below the upper die assembly opposite the upper die assembly, the float member and the second biasing member being mounted on the lower die assembly.
Optionally, the upper die assembly includes:
an upper die holder;
the fixed plate backing plate is fixedly arranged below the upper die holder;
the fixing plate is fixedly arranged below the fixing plate base plate;
the stripper plate base plate is arranged below the fixed plate and is provided with a vertically extending mounting blind hole;
the stripper plate is arranged below the stripper plate base plate and is provided with an installation through hole which vertically penetrates through the stripper plate, and the installation through hole is a step hole matched with the positioning piece;
one end of the first biasing member abuts in the mounting blind hole, and the other end of the first biasing member abuts on the positioning member, so that a biasing force which enables the end part of the positioning member far away from the first biasing member to move towards the outside of the mounting through hole is applied to the positioning member.
Optionally, the lower die assembly includes:
the lower die base is provided with a first through hole which vertically penetrates through the lower die base;
the die plate base plate is arranged above the lower die base and is provided with a second through hole which vertically penetrates through the die plate base plate;
the concave template is arranged above the concave template base plate, and is provided with a third through hole which vertically penetrates through the concave template;
the first through hole, the second through hole and the third through hole are coaxially arranged, the floating piece is movably arranged in the first through hole, the second through hole and the third through hole, the second biasing piece is arranged in the first through hole, one end of the second biasing piece is abutted to the fastening piece arranged at one end, far away from the concave template base plate, of the first through hole, the other end of the second biasing piece is abutted to the floating piece, and therefore the biasing force for enabling the floating piece to move towards the outside of the third through hole is exerted on the floating piece.
Still another object of the utility model is to provide a stamping equipment, including above-mentioned arbitrary stamping die.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a positioning mechanism, because conical surface guide portion is the back taper structure, when getting into the locating hole, be line contact between the outer wall of conical surface guide portion and the internal face of locating hole, zero clearance contact between the outer wall of little and conical surface guide portion of area of contact and the internal face of locating hole, positioning accuracy is higher. When the stripper plate returns upwards to drop, the contact area is small, the friction force is small, and the positioning piece cannot pull the material belt to cause the risk of bending the material belt.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 schematic structural view of a positioning mechanism in an embodiment of the present invention in a stamping die;
FIG. 2 is a schematic view of the lower die assembly and the positioning mechanism of the stamping die of FIG. 1 with the stamping die removed;
FIG. 3 is a schematic view of the upper die assembly and the positioning mechanism of the stamping die of FIG. 1 with the upper die assembly and the positioning mechanism removed;
fig. 4 is a schematic structural diagram of a positioning mechanism in an embodiment of the present invention.
Description of reference numerals:
10. a first biasing member; 11. a positioning member; 111. a body portion; 1110. a conical guide portion; 1111. A main body portion; 1112. hanging a table; 112. a tail rod part; 12. a material belt; 13. a floating part; 130. a fitting portion; 14. a second biasing member; 15. a fastener;
40. an upper die assembly; 41. an upper die holder; 42. fixing a plate backing plate; 43. a fixing plate; 44. a stripper plate backing plate; 45. a material removing plate;
50. a lower die assembly; 51. a cavity plate; 52. a cavity plate backing plate; 53. and a lower die holder.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
A positioning mechanism as shown in fig. 1 to 4 comprises a positioning member 11, a float member 13, a first biasing member 10 and a second biasing member 14. The positioning member 11 has a tapered guide portion 1110. The float member 13 is disposed at an end of the positioning member 11 opposite to the positioning member 11, and has a fitting portion 130 recessed away from the positioning member 11 to fit with the tapered guide portion 1110. The first biasing member 10 is disposed at an end of the positioning member 11 remote from the float member 13 and is adapted to apply a biasing force to the positioning member 11 in a direction toward the float member 13. The second biasing member 14 is provided at an end of the float member 13 remote from the positioning member 11, and is adapted to apply a biasing force to the float member 13 in a direction toward the positioning member 11. The conical guide portion 1110 of the positioning member 11 is adapted to enter the positioning hole of the material tape 12 under the biasing force of the first biasing member 10 so that the outer wall of the conical guide portion 1110 comes into line contact with the inner wall of the positioning hole, and the float member 13 is adapted to press the material tape 12 between the positioning member 11 and the float member 13 under the biasing force of the second biasing member 14 after the conical guide portion 1110 enters the positioning hole of the material tape 12.
Alternatively, as shown in fig. 2, the positioning member 11 includes a body portion 111 and a tail rod portion 112. Specifically, the body portion 111 is a tapered positioning pin of a T-shaped configuration, and has a rod-shaped body portion 1111, a tapered guide portion 1110 formed at an end of the body portion 1111 remote from the first biasing member 10, i.e., a lower end as shown in fig. 2, and a mount 1112 formed at an end of the body portion 1111 near the first biasing member 10, i.e., an upper end as shown in fig. 2. The tail section 112 is disposed on the hanging platform 1112. The first biasing member 10 is adapted to be disposed over the shank portion 112 and abut the platform 1112 at one end. Alternatively, the body portion 111 and the tail portion 112 are integrally formed.
Specifically, referring to fig. 1, 3 and 4, the float member 13 is a float pin of an inverted T-shaped structure, and the fitting portion 130 is a groove formed at an end portion of the float pin, specifically, an upper end portion as shown in fig. 3, and recessed in an axial direction, that is, in a vertical direction.
Alternatively, the first biasing member 10 and the second biasing member 14 are each a conventional straight tube type spring.
Example 2
A press die of the present embodiment, as shown in fig. 1 to 4, includes the positioning mechanism of embodiment 1, an upper die assembly 40, and a lower die assembly 50. The positioning member 11 and the first biasing member 10 are mounted to the upper die assembly 40. The lower die assembly 50 is disposed below the upper die assembly 40 opposite the upper die assembly 40, and the float member 13 and the second biasing member 14 are mounted on the lower die assembly 50.
Specifically, referring to fig. 1 and 2, the upper die assembly 40 includes an upper die base 41, a fixed plate backing plate 42, a fixed plate 43, a stripper plate backing plate 44, and a stripper plate 45, which are sequentially arranged from top to bottom. The stripper plate backing plate 44 is provided with a vertically extending blind mounting hole. The stripper plate 45 is provided with a vertically extending mounting through hole. The mounting through hole is a stepped hole matched with the positioning piece 11, so that the positioning piece 11 is limited, and the positioning piece 11 is prevented from being separated from the mounting through hole. The first biasing member 10 abuts with one end in the mounting blind hole and with the other end on the positioning member 11 to exert a biasing force on the positioning member 11 that moves the end of the positioning member 11 away from the first biasing member 10 outward of the mounting through hole.
Specifically, referring to fig. 1 and 3, the lower die assembly 50 includes a lower die base 53, a cavity plate pad 52, and a cavity plate 51 disposed from below to above. The lower die base 53 is provided with a first through hole vertically penetrating through the lower die base 53, and the concave die plate backing plate 52 is provided with a second through hole vertically extending through the concave die plate backing plate 52. The cavity plate 51 is provided with a third through hole vertically penetrating through the cavity plate 51. The first through hole, the second through hole and the third through hole are coaxially arranged, the second biasing member 14 is installed in the third through hole, one end of the third through hole, which is far away from the cavity plate backing plate 52, is provided with a fastening member 15, one end of the second biasing member 14 abuts against the fastening member 15, and the other end abuts against the floating member 13 installed in the first through hole, the second through hole and the third through hole, so as to apply a biasing force to the floating member 13, which makes the floating member 13 move towards the outside of the third through hole. The fastener member 15 functions to prevent the second biasing member 14 from exiting the first through bore.
In the process that the stripper plate 45 presses the material belt 12 downwards, the conical surface guide portion 1110 of the positioning member 11 first contacts the positioning hole on the material belt 12, and the guiding function of the conical surface guide portion 1110 guides the material belt 12 before the material belt 12 is pressed, so as to achieve the effect of accurate positioning. Meanwhile, as the conical surface guide part is of an inverted cone structure, when the material strip enters the positioning hole, the outer wall surface of the conical surface guide part 1110 is in line contact with the inner wall surface of the positioning hole, the contact area is small, the outer wall surface of the conical surface guide part 1110 is in gapless contact with the inner wall surface of the positioning hole, the positioning accuracy is high, and when the stripper plate 45 retreats upwards and falls off, the material strip 12 cannot be bent due to the fact that the contact area is small, the friction force is small, and the positioning part cannot pull up the material strip 12.
In operation, the conical surface positioning portion 1110 penetrates the material tape 12 to drive the material tape 12 to move downward, the floating pin is pressed to move downward, the second biasing member 14 is also pressed to generate elastic force and is transmitted to the material tape 12 through the floating pin, and the material tape 12 forces the conical surface positioning portion to move upward and backward to compress the first biasing member 11 to generate elastic force. When the material belt 12 is compressed, the force in the upper and lower directions is applied at the same time, so that the positioning element is ensured not to be positioned and failed.
Example 3
A press apparatus of the present embodiment, as shown in fig. 1 to 4, includes the press die of embodiment 2. It should be noted that the conventional structures of other existing punching devices are also included, and the specific structures and the working principles of the structures are not described and limited in detail herein.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A positioning mechanism, comprising:
a positioning member (11) having a tapered guide portion (1110);
the floating part (13) is oppositely arranged at one end of the positioning part (11) and is provided with a matching part (130) which is matched with the conical surface guide part (1110) and is sunken towards a position far away from the positioning part (11);
a first biasing member (10) disposed at an end of the positioning member (11) away from the float member (13) and adapted to apply a biasing force to the positioning member (11) in a direction toward the float member (13);
a second biasing member (14) disposed at an end of the float member (13) remote from the positioning member (11) and adapted to apply a biasing force to the float member (13) in a direction toward the positioning member (11);
the conical surface guide part (1110) of the positioning part (11) is suitable for entering a positioning hole in a material belt (12) under the action of the biasing force of the first biasing part (10) so that the outer wall of the conical surface guide part (1110) is in line contact with the inner wall of the positioning hole, and the floating part (13) is suitable for pressing the material belt (12) between the positioning part (11) and the floating part (13) under the action of the biasing force of the second biasing part (14) after the conical surface guide part (1110) enters the positioning hole of the material belt (12).
2. A positioning mechanism according to claim 1, characterized in that said positioning element (11) comprises:
a body part (111) having a body part (1111) and the tapered guide part (1110) formed at an end of the body part (1111) remote from the first biasing member (10) and a mount (1112) formed at an end of the body part (1111) close to the first biasing member (10);
a tail rod part (112) arranged on the hanging table (1112);
the first biasing member (10) is suitable for being sleeved outside the tail rod part (112) and one end of the first biasing member abuts against the hanging platform (1112).
3. A positioning mechanism according to claim 2, wherein said body portion (111) and said tail portion (112) are integrally formed.
4. A positioning mechanism according to claim 1, characterized in that the float member (13) is a float pin and the engagement portion (130) is an axially recessed groove formed in the end of the float pin.
5. A positioning mechanism according to claim 1, wherein said first biasing member (10) and said second biasing member (14) are each spring.
6. A stamping die, comprising:
the positioning mechanism of any one of claims 1 to 5;
an upper die assembly (40), said positioning member (11) and said first biasing member (10) being mounted on said upper die assembly (40);
a lower die assembly (50) disposed below the upper die assembly (40) opposite the upper die assembly (40), the float member (13) and the second biasing member (14) being mounted on the lower die assembly (50).
7. A stamping die according to claim 6, characterized in that the upper die assembly (40) comprises:
an upper die holder (41);
a fixed plate backing plate (42) fixedly arranged below the upper die holder (41);
a fixing plate (43) fixedly mounted below the fixing plate backing plate (42);
the stripper plate base plate (44) is arranged below the fixed plate (43) and is provided with a vertically extending mounting blind hole;
the stripper plate (45) is arranged below the stripper plate backing plate (44), and is provided with a mounting through hole vertically penetrating through the stripper plate (45), and the mounting through hole is a step hole matched with the positioning piece (11);
one end of the first biasing member (10) abuts in the installation blind hole, and the other end of the first biasing member abuts on the positioning member (11) so as to apply biasing force to the positioning member (11) to enable the end part, far away from the first biasing member (10), of the positioning member (11) to move towards the outside of the installation through hole.
8. A stamping die according to claim 6, characterized in that the lower die assembly (50) comprises:
the lower die holder (53) is provided with a first through hole which vertically penetrates through the lower die holder (53);
the concave template base plate (52) is arranged above the lower die base (53), and a second through hole which vertically penetrates through the concave template base plate (52) is formed in the concave template base plate;
the concave template (51) is arranged above the concave template base plate (52), and is provided with a third through hole which vertically penetrates through the concave template (51);
the first through hole, the second through hole and the third through hole are coaxially arranged, the floating part (13) is movably arranged in the first through hole, the second through hole and the third through hole, the second biasing part (14) is arranged in the first through hole, one end of the second biasing part is abutted to the fastening part (15) arranged at one end, far away from the concave template base plate (52), of the first through hole, the other end of the second biasing part is abutted to the floating part (13), and therefore the biasing force for enabling the floating part (13) to move towards the outside of the third through hole is exerted on the floating part (13).
9. A stamping apparatus, comprising a stamping die according to any of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494065.1U CN214556854U (en) | 2021-03-08 | 2021-03-08 | Positioning mechanism, stamping die and stamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494065.1U CN214556854U (en) | 2021-03-08 | 2021-03-08 | Positioning mechanism, stamping die and stamping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214556854U true CN214556854U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120494065.1U Active CN214556854U (en) | 2021-03-08 | 2021-03-08 | Positioning mechanism, stamping die and stamping equipment |
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| Country | Link |
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| CN (1) | CN214556854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713727A (en) * | 2022-04-15 | 2022-07-08 | 荣成歌尔科技有限公司 | Riveting tool and processing equipment |
| CN116652029A (en) * | 2023-07-25 | 2023-08-29 | 烟台安信机电科技有限公司 | Continuous stamping die |
-
2021
- 2021-03-08 CN CN202120494065.1U patent/CN214556854U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713727A (en) * | 2022-04-15 | 2022-07-08 | 荣成歌尔科技有限公司 | Riveting tool and processing equipment |
| CN114713727B (en) * | 2022-04-15 | 2023-11-14 | 荣成歌尔科技有限公司 | Riveting tool and processing equipment |
| CN116652029A (en) * | 2023-07-25 | 2023-08-29 | 烟台安信机电科技有限公司 | Continuous stamping die |
| CN116652029B (en) * | 2023-07-25 | 2023-09-26 | 烟台安信机电科技有限公司 | Continuous stamping die |
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