CN211334188U - Moving and fixing mold positioning structure - Google Patents
Moving and fixing mold positioning structure Download PDFInfo
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- CN211334188U CN211334188U CN201921467218.2U CN201921467218U CN211334188U CN 211334188 U CN211334188 U CN 211334188U CN 201921467218 U CN201921467218 U CN 201921467218U CN 211334188 U CN211334188 U CN 211334188U
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Abstract
The utility model relates to a move cover half location structure, mainly constitute by point I and the point II that sets up on the bottom surface of cover half mold core that sets up at the top surface of movable mould core, point I is two points for unsmooth cooperation with point II, the top surface of movable mould core includes a pair of limit m and the limit n that is parallel to each other, the bottom surface of cover half mold core includes a pair of limit p and the limit q that is parallel to each other, distance between point I and the limit m equals the distance between point I and the limit n, distance between point II and the limit p equals the distance between point II and the limit q, face u is perpendicular with limit m and limit n simultaneously, the orthographic projection of point I on face u is isosceles right triangle, and isosceles right triangle's hypotenuse is located the top surface of movable mould core, the bottom surface structure of cover half mold core is with the top surface of movable. The utility model discloses a move cover half location structure, simple structure, the location is convenient, thereby effectively solved and adopted the tradition to insert and lead to the mold core edge to appear breaking the problem that influences product quality inadequately because of the aperture space when wearing mould benevolence location method.
Description
Technical Field
The utility model belongs to the technical field of the connector, a move cover half location structure is related to.
Background
The connector product needs to ensure the coaxiality of plastic product holes, and generally needs to be additionally positioned on a movable die and a fixed die, namely a die core needs to be inserted through so as to ensure that the product holes cannot be dislocated. However, when the size of the small hole in the cavity is smaller as represented by x in fig. 1, if the traditional insert-through mold core positioning method is adopted, the edges of the fixed mold core and the movable mold core are easy to break, burrs are easy to appear on the product, and the quality is difficult to ensure.
Therefore, it is of great significance to research a method for effectively solving the problem that the product quality is influenced by the cracking of the edge of the mold core caused by insufficient pore space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thereby solve and to lead to the mold core edge to appear breaking the problem that influences product quality inadequately because of the aperture space when adopting the tradition to insert mould benevolence location method among the prior art, provide a move cover half location structure.
In order to achieve the above purpose, the utility model adopts the following scheme:
a moving and fixed die positioning structure mainly comprises a point I arranged on the top surface of a moving die core and a point II arranged on the bottom surface of a fixed die core, wherein the point I and the point II are two points which are in concave-convex fit, the point I is a sharp point, the point II is a concave point, or the point I is a concave point, and the point II is a sharp point;
the top surface of the movable mould core comprises a pair of sides m and n which are parallel to each other, the bottom surface of the fixed mould core comprises a pair of sides p and q which are parallel to each other, the distance between the sides m and n is equal to the distance between the sides p and q, the distance between the point I and the side m is equal to the distance between the point I and the side n, the distance between the point II and the side p is equal to the distance between the point II and the side q, the surface u is simultaneously perpendicular to the sides m and n, the orthographic projection of the point I on the surface u is an isosceles right triangle, the hypotenuse of the isosceles right triangle is positioned on the top surface of the movable mould core, the surface v is simultaneously perpendicular to the sides p and q, the orthographic projection of the point II on the surface v is an isosceles right triangle, and the hypotenuse of the fixed mould core.
The insertion positioning in the prior art usually adopts two structures: one structure is as shown in fig. 2, the movable mold core is inserted into the fixed mold core, the structure requires that the width of the movable mold core along the y direction in fig. 2 is smaller than that of the fixed mold core, otherwise the insertion cannot be realized, when the size of the small hole in the cavity represented by x in fig. 1 is smaller, the width of the movable mold core and the width of the fixed mold core along the y direction in fig. 2 cannot be realized, because the width of the fixed mold core is possibly smaller only when the width of the movable mold core is very small, but the wall thickness of the movable mold core is very small at the moment, the processing and the forming are difficult; another structure is as shown in fig. 3, the top surface of the movable mold core is provided with a trapezoidal sharp point, the bottom surface of the fixed mold core is provided with a trapezoidal groove matched with the trapezoidal sharp point, the width of the movable mold core in the y direction in fig. 3 is equal to the width of the fixed mold core, when the size of the small hole in the cavity represented by x in fig. 1 is small, the width of the movable mold core and the fixed mold core in the y direction in fig. 3 cannot be small, otherwise, the bottom edge of the fixed mold core is easy to damage and is difficult to machine and mold due to the fact that the wall thickness of the bottom of the fixed mold core in the y direction in fig. 3 (namely, the area represented.
The utility model discloses an adopt triangle-shaped cusp location effectively to have solved among the prior art and to have leaded to the mold core edge to appear breaking the problem that influences product quality inadequately because of the aperture space when adopting the tradition to insert mould benevolence location method, now use the triangle-shaped cusp to be located movable mould core top surface for the example and explain specifically (the triangle-shaped cusp is the same when being located cover half mold core bottom surface principle), the contrast picture of triangle-shaped cusp and trapezoidal cusp is as shown in figure 4, can see from figure 4 that the structure of cusp is become triangle-shaped by trapezoidal, the wall thickness is showing and is increasing, can solve to a certain extent because the easy damaged problem in the bottom edge of cover half mold core that the thinner lead to of cover half mold core bottom wall thickness, the utility model discloses still through control triangle-shaped cusp be isosceles right triangle-angle triangle (namely the orthographic projection of point I on face u is isosceles right-angle triangle) and triangle-shaped cusp is located The thickness of two side walls of the sharp point is the same, and the problem that the wall thickness of one side is larger and the wall thickness of the other side is smaller, so that the sharp point is easy to damage is avoided.
As a preferable scheme:
according to the positioning structure of the movable die, the point I and the point II are two points which are in concave-convex fit, so that the lengths of the bevel edges of all the isosceles right triangles are the same, and the distance between the side m and the side n is more than 2.6 times of the length of the bevel edge of the isosceles right triangle, so that the two side walls of the sharp point close to the side m and the side n are ensured to be proper in thickness, and the movable die can be smoothly processed and molded.
A moving and stationary mold positioning structure as described above, the distance between the side m and the side n is 0.40mm, the length of the hypotenuse of the isosceles right triangle is 0.15mm, the length of the hypotenuse of the isosceles right triangle is not too large because the distance between the side m and the side n is 0.40mm, the distance between the point I and the side m is equal to the distance between the point I and the side n, and when the length of the hypotenuse of the isosceles right triangle is 0.15mm, the distance between the point I and the side m and the distance between the point I and the side n are 0.125mm, when the length of the hypotenuse of the isosceles right triangle is large, the distance between the point I and the side m and the distance between the point I and the side n are small, the thickness of both sides of the sharp point is small, the structural strength cannot be ensured, and similarly, the distance between the side p and the side q is equal to the distance between the side m and the side n, is 0.40mm, and the distance between the point II and the side p is equal to the distance between, when the length of the hypotenuse of the isosceles right triangle is 0.15mm, the distance between the point II and the side p and the distance between the point II and the side q are 0.125mm, when the length of the hypotenuse of the isosceles right triangle is large, the distance between the point II and the side p and the distance between the point II and the side q are small, the thicknesses of the two side walls of the sharp point are small, and the structural strength cannot be guaranteed; the length of the hypotenuse of the isosceles right triangle is not too small, otherwise the stability of the positioning structure cannot be ensured.
As above a move cover half location structure, point I highly is 0.08mm with point II, the utility model discloses except considering the easy damaged problem in bottom edge of cover half mold core, triangle-shaped point self intensity problem still needs to be considered, otherwise can be because triangle-shaped point structural strength is lower, lead to structural stability relatively poor, point I should not be too high with point II's height, otherwise can't guarantee its self structural strength, should not cross lowly too, otherwise unable effective location, when the distance between limit m and the limit n is 0.40mm, when the length of isosceles right triangle's hypotenuse is 0.15mm, point I and point II's highly preferred 0.08mm, can compromise the stability of point self structure and location structure's stability better this moment.
According to the positioning structure of the movable mold and the fixed mold, the sharp point is in the shape of the chamfered triangular prism, the triangular prism comprises the bottom surface a and the bottom surface b, and the three vertexes on the bottom surface a are a1、a2And a3The three vertexes on the bottom surface b are b1、b2And b3，aiAnd biOn the same side edge, i ═ 1,2,3, a1And b1On the side edge near a1And b1Two points of (A)1 *And b1 *The oblique cutting means passing through a simultaneously1 *、a2And a3And simultaneously pass through b1 *、b2And b3Taken in the plane of (a)2、a3、b2And b3The surface that encloses is laminated with the top surface of movable mould core or the bottom surface of cover half mold core, and the triangular prism structure of beveling more is favorable to improving location structure's stability for triangular prism, rectangular pyramid etc. therefore conduct the utility model discloses an it is preferred.
A moving and stationary mold positioning structure as described above, a2And a3Is perpendicular to the side m or the side q.
A moving and stationary mold positioning structure as described above, a1And a1 *Is equal to b1And b1 *The structure of the sharp point is regular, and the processing and forming are easier.
A moving and stationary mold positioning structure as described above, a1 *And a2Is connected with a1 *And a3The angle of the connecting line is 90 degrees.
Has the advantages that:
(1) the utility model discloses a moving and fixing mold positioning structure, which avoids the problem that the edge of the mold core is cracked due to insufficient pore space when adopting the traditional inserting mold core positioning method, and well ensures the product quality;
(2) the utility model discloses a move cover half location structure, simple structure, the location is convenient.
Drawings
FIG. 1 is a schematic view of a connection structure of a movable mold core and a cavity;
FIG. 2 is a schematic view of a prior art fixed mold positioning structure;
FIG. 3 is a schematic view of another prior art fixed mold positioning structure;
FIG. 4 is a comparison of triangle cusps and trapezoidal cusps;
fig. 5 is a schematic view of a positioning structure of a movable mold and a fixed mold of the present invention;
FIG. 6 is a bottom view of the fixed mold core of example 1;
FIG. 7 is a front view of the fixed mold core of embodiment 1;
FIG. 8 is a left side view of the fixed mold core of embodiment 1;
FIG. 9 is a top view of the movable mold core according to embodiment 1;
FIG. 10 is a front view of the movable mold core according to embodiment 1;
FIG. 11 is a left side view of the movable mold core according to embodiment 1;
FIG. 12 is a schematic view of a chamfered triangular prism-shaped cusp of example 1;
wherein, the unit of the number is mm, 1-fixed mould core, 2-movable mould core, 3-bottom surface a, 4-bottom surface b.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Example 1
A moving and fixed mold positioning structure is composed of a point I arranged on the top surface of a moving mold core 2 and a point II arranged on the bottom surface of a fixed mold core 1, wherein the point I and the point II are two points which are in concave-convex fit, the point I is a sharp point, and the point II is a concave point;
as shown in fig. 6 to 11, the top surface of the movable mold core 2 comprises a pair of sides m and n which are parallel to each other, the bottom surface of the fixed mold core 1 comprises a pair of sides p and q which are parallel to each other, the distance between the sides m and n is equal to the distance between the sides p and q, the distance between the point I and the side m is equal to the distance between the point I and the side n, the distance between the point II and the side p is equal to the distance between the point II and the side q, the surface u is perpendicular to the sides m and n at the same time, the orthographic projection of the point I on the surface u is an isosceles right triangle, the hypotenuse of the isosceles right triangle is located on the top surface of the movable mold core 2, the surface v is perpendicular to the sides p and q at the same time, the orthographic projection of the point II on the surface v is an isosceles right triangle, and the hypot; the distance between the side m and the side n is 0.40mm, the length of the hypotenuse of the isosceles right triangle is 0.15mm, and the height of the point I and the point II is 0.08 mm;
as shown in fig. 12, the cusp is a chamfered triangular prism, the triangular prism includes a base surface a 3 and a base surface b 4, and three vertexes a on the base surface a 31、a2And a3Three vertices on the bottom b 4 are b1、b2And b3，aiAnd biOn the same side edge, i ═ 1,2,3, a1And b1On the side edge near a1And b1Two points of (A)1 *And b1 *The oblique cutting means passing through a simultaneously1 *、a2And a3And simultaneously pass through b1 *、b2And b3Taken in the plane of (a)2、a3、b2And b3The surface enclosed is attached to the top surface of the movable mould core 2, a2And a3Is perpendicular to the side m, a1And a1 *Is equal to b1And b1 *A distance between a1 *And a2Is connected with a1 *And a3The angle of the connecting line is 90 degrees.
Example 2
A positioning structure of a movable die and a fixed die is basically the same as that of embodiment 1, except that a point I is a concave point, a point II is a sharp point, and a2、a3、b2And b3The surface enclosed is attached to the bottom surface of the fixed die core, a2And a3Is perpendicular to the edge q.
Claims (8)
1. The utility model provides a move cover half location structure which characterized by: the device mainly comprises a point I arranged on the top surface of the movable mold core and a point II arranged on the bottom surface of the fixed mold core, wherein the point I and the point II are two points which are matched in a concave-convex mode, the point I is a sharp point, the point II is a concave point, or the point I is a concave point, and the point II is a sharp point;
the top surface of the movable mould core comprises a pair of sides m and n which are parallel to each other, the bottom surface of the fixed mould core comprises a pair of sides p and q which are parallel to each other, the distance between the sides m and n is equal to the distance between the sides p and q, the distance between the point I and the side m is equal to the distance between the point I and the side n, the distance between the point II and the side p is equal to the distance between the point II and the side q, the surface u is simultaneously perpendicular to the sides m and n, the orthographic projection of the point I on the surface u is an isosceles right triangle, the hypotenuse of the isosceles right triangle is positioned on the top surface of the movable mould core, the surface v is simultaneously perpendicular to the sides p and q, the orthographic projection of the point II on the surface v is an isosceles right triangle, and the hypotenuse of the fixed mould core.
2. A moving die positioning structure as claimed in claim 1, wherein the distance between the m and n sides is more than 2.6 times the length of the hypotenuse of the isosceles right triangle.
3. A moving die positioning structure as claimed in claim 2, wherein the distance between the m and n sides is 0.40mm, and the length of the hypotenuse of the isosceles right triangle is 0.15 mm.
4. A moving mold positioning structure as set forth in claim 3, wherein the height of points I and II is 0.08 mm.
5. A fixed mold positioning structure as claimed in claim 4, wherein the cusp is a chamfered triangular prism comprising a base a and a base b, and the three vertices of the base a are a1、a2And a3The three vertexes on the bottom surface b are b1、b2And b3，aiAnd biOn the same side edge, i ═ 1,2,3, a1And b1On the side edge near a1And b1Two points of (A)1 *And b1 *The oblique cutting means passing through a simultaneously1 *、a2And a3And simultaneously pass through b1 *、b2And b3Taken in the plane of (a)2、a3、b2And b3The surface formed by the surrounding is attached to the top surface of the movable mould core or the bottom surface of the fixed mould core.
6. A fixed mold positioning structure as claimed in claim 5, wherein a is2And a3Is perpendicular to the side m or the side q.
7. A fixed mold positioning structure as claimed in claim 5, wherein a is1And a1 *Is equal to b1And b1 *The distance between them.
8. A fixed mold positioning structure as claimed in claim 5, wherein a is1 *And a2Is connected with a1 *And a3The angle of the connecting line is 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467218.2U CN211334188U (en) | 2019-09-05 | 2019-09-05 | Moving and fixing mold positioning structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467218.2U CN211334188U (en) | 2019-09-05 | 2019-09-05 | Moving and fixing mold positioning structure |
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| CN211334188U true CN211334188U (en) | 2020-08-25 |
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| CN201921467218.2U Active CN211334188U (en) | 2019-09-05 | 2019-09-05 | Moving and fixing mold positioning structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450321A (en) * | 2019-09-05 | 2019-11-15 | 上海华奥精密模具有限公司 | A kind of active and inactive mold location structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450321A (en) * | 2019-09-05 | 2019-11-15 | 上海华奥精密模具有限公司 | A kind of active and inactive mold location structure |
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