CN208946546U - A kind of guiding hole connection structure of opposed former in injection mold - Google Patents
A kind of guiding hole connection structure of opposed former in injection mold Download PDFInfo
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- CN208946546U CN208946546U CN201821346415.4U CN201821346415U CN208946546U CN 208946546 U CN208946546 U CN 208946546U CN 201821346415 U CN201821346415 U CN 201821346415U CN 208946546 U CN208946546 U CN 208946546U
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- guide cylinder
- hole
- cylinder hole
- injection mold
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Abstract
The utility model relates to technical field of mold, it discloses a kind of guiding hole connection structures of the opposed former in injection mold, including cope plate, the lower template docked with the cope plate, the cope plate, the first guide cylinder hole being mutually coaxial docking is respectively equipped in lower template, second guide cylinder hole, first guide cylinder hole is the through hole through the upper mold plate thickness, and the thickness of the cope plate is more than five times of the first guide cylinder bore dia size, conical bore is equipped with the butt end aperture in second guide cylinder hole on first guide cylinder hole, the conical bore is mutually coaxially disposed with first guide cylinder hole.The utility model ensure that the intensity requirement of template itself to greatest extent, while meet the convenience of processing, and improve the processing quality of pilot hole.
Description
Technical field
The utility model relates to technical field of mold, and in particular to a kind of pilot hole of the opposed former in injection mold connects
Binding structure.
Background technique
Template docking in the molds such as injection molding, generallys use the connection knot in guide cylinder hole and positioning cylinder cooperation
Structure.Typical template docking structure is as shown in Figure 3.In the design of template docking structure, pair for thickening template is often encountered
It connects, since template is thicker, so that the draw ratio in guide cylinder hole increases, but since some specific templates itself have local strength
It is required that with the limitation (such as relatively thin situation of surrounding hole wall at guide cylinder hole) in partial structurtes, so that the guiding circle in template
Post holes diameter cannot be made larger, cause rigidly to be deteriorated using the boring bar in numerically-controlled machine tool processing guide cylinder hole, processing is very tired
It is difficult.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of connections of the pilot hole of the opposed former in injection mold to tie
Structure, it is intended to guarantee the intensity requirement of template itself to greatest extent, while meet the convenience of processing, and improve adding for pilot hole
Working medium amount.Specific technical solution is as follows:
A kind of guiding hole connection structure of opposed former in injection mold, including cope plate, dock with the cope plate
Lower template, be respectively equipped with the first guide cylinder hole being mutually coaxial docking, the second guide cylinder on the cope plate, lower template
Hole, first guide cylinder hole is the through hole through the upper mold plate thickness, and the thickness of the cope plate is more than
Five times of the first guide cylinder bore dia size, on first guide cylinder hole with second guide cylinder hole
Butt end aperture is equipped with conical bore, and the conical bore is mutually coaxially disposed with first guide cylinder hole.
In above-mentioned technical proposal, conical bore is arranged by the butt end aperture in the first guide cylinder hole, one side is most
The intensity requirement that ensure that cope plate itself of limits avoids the drawback that surrounding hole wall is relatively thin at the first guide cylinder hole, together
When can avoid the interference of other correlated parts and the first guide cylinder hole on mold as far as possible, and be conducive to the first guide cylinder hole
Processing.
In the numerical control boring processing for carrying out the first guide cylinder hole, the conical bore of front end is conducive to protruding into for cutter head, and
The shaft of boring bar is allowed to carry out overstriking appropriate according to the shape of conical bore, to improve processing quality.
In order to increase wearability, first guide cylinder hole is provided with the first positioning sleeve, second guide cylinder hole
It is provided with the second positioning sleeve.
When cope plate is docked with lower template, realized by being inserted into the first positioning sleeve, and positioning cylinder in the second positioning sleeve
The fixation of mutual position.
One of as a preferred embodiment of the present invention, this described first positioning sleeve, the second positioning sleeve are that outer circle is circle
The positioning sleeve of column.
As a preferred embodiment of the present invention two, the outer circle of first positioning sleeve includes being connected with each other and coaxial
One section of cylindrical section and one section of conical section, the cylindrical section are matched with first guide cylinder hole, the conical section with it is described
Conical bore matches.
Wherein, the big end outside diameter of the conical section is less than the big end outside diameter of the conical bore.
The outer circle of above-mentioned first positioning sleeve be provided with the cylindrical section matched with first guide cylinder hole and with it is described
The conical section of conical bore cooperation is conducive to the bonding strength for improving cope plate and lower template.
In the utility model, first guide cylinder hole is using the cylindrical hole of boring bar progress boring processing, and the boring
The shaft of bar is circular cone shaft, and the taper of the outer cone of the circular cone shaft is identical as the taper of the conical bore.
The circular cone shaft and conical bore taper having the same of above-mentioned boring bar can make boring bar shaft protrude into processing
While conical bore obtains biggish rigidity, and it will not interference with conical bore, to be conducive to improve the quality of processing.
In the utility model, multiple first positioning sleeves successively docked are provided in first guide cylinder hole.
The beneficial effects of the utility model are:
First, the guiding hole connection structure of the opposed former in a kind of injection mold of the utility model, by first
Conical bore is arranged in the butt end aperture in guide cylinder hole, and one side ensure that the intensity of cope plate itself is wanted to greatest extent
It asks, avoids the drawback that surrounding hole wall is relatively thin at the first guide cylinder hole, while other correlated parts on mold can be avoided as far as possible
With the interference in the first guide cylinder hole, and be conducive to the processing in the first guide cylinder hole.
Second, the guiding hole connection structure of the opposed former in a kind of injection mold of the utility model, be conducive into
When the numerical control boring processing in the first guide cylinder of row hole, the conical bore of front end is conducive to protruding into for cutter head, and makes the bar of boring bar
Body can carry out overstriking appropriate according to the shape of conical bore, to improve processing quality.
Third, the guiding hole connection structure of the opposed former in a kind of injection mold of the utility model, the first positioning sleeve
Outer circle be provided with the cylindrical section matched with first guide cylinder hole and with the conical bore cooperation conical section, favorably
In the bonding strength for improving cope plate and lower template.
Detailed description of the invention
Fig. 1 is the structural representation of the guiding hole connection structure of the opposed former in a kind of injection mold of the utility model
Figure；
Fig. 2 be the first positioning sleeve outer circle on be provided with the structural schematic diagram of cylindrical section and conical section；
Fig. 3 is the structural representation of the guiding hole connection structure of the opposed former in a kind of injection mold in the prior art
Figure.
In figure: 1, cope plate, 2, lower template, the 3, first guide cylinder hole, the 4, second guide cylinder hole, 5, conical bore, 6,
First positioning sleeve, the 7, second positioning sleeve, 8, cylindrical section, 9, conical section.
In figure: D is the internal diameter in the first guide cylinder hole, and d is the internal diameter of the first positioning sleeve, and L is the first guide cylinder hole
Depth, L1 are the depth of conical bore.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
It is as shown in Figures 1 to 3 the guiding hole connection structure of the opposed former in a kind of injection mold of the utility model
Embodiment is respectively equipped with phase on the cope plate 1, lower template 2 including cope plate 1, the lower template 2 docked with the cope plate 1
The first guide cylinder hole 3, the second guide cylinder hole 4 being mutually coaxial docking, first guide cylinder hole 3 are through the upper mold
The through hole of 1 thickness of plate, and the thickness of the cope plate 1 is more than five times of first guide cylinder hole, 3 diameter dimension,
Conical bore 5, the circular cone are equipped with the butt end aperture in second guide cylinder hole 4 on first guide cylinder hole 3
Hole 5 and first guide cylinder hole 3 are mutually coaxially disposed.
In above-mentioned technical proposal, conical bore 5, one side are arranged by the butt end aperture in the first guide cylinder hole 3
The intensity requirement that ensure that cope plate 1 itself to greatest extent, avoids the disadvantage that surrounding hole wall is relatively thin at the first guide cylinder hole 3
End, while the interference of other correlated parts and the first guide cylinder hole 3 on mold can be avoided as far as possible, and is conducive to the first guiding
The processing of cylindrical hole 3.
In the numerical control boring processing for carrying out the first guide cylinder hole 3, the conical bore 5 of front end is conducive to protruding into for cutter head,
And the shaft of boring bar is allowed to carry out overstriking appropriate according to the shape of conical bore 5, to improve processing quality.
In order to increase wearability, first guide cylinder hole 3 is provided with the first positioning sleeve 6, second guide cylinder
Hole 4 is provided with the second positioning sleeve 7.
When cope plate 1 is docked with lower template 2, by being inserted into the first positioning sleeve 6, and positioning cylinder in the second positioning sleeve 7
Realize the fixation of mutual position.
One of preferred embodiment as the present embodiment, this described first positioning sleeve 6, the second positioning sleeve 7 are that outer circle is circle
The positioning sleeve of column.
Two of preferred embodiment as the present embodiment, the outer circle of first positioning sleeve 6 include being connected with each other and coaxial
One section of cylindrical section 8 and one section of conical section 9, the cylindrical section 8 are matched with first guide cylinder hole 3, the conical section 9 with
The conical bore 5 matches.
Wherein, the big end outside diameter of the conical section 9 is less than the big end outside diameter of the conical bore 5.
The outer circle of above-mentioned first positioning sleeve 6 be provided with the cylindrical section 8 matched with first guide cylinder hole 3 and with institute
The conical section 9 for stating the cooperation of conical bore 5 is conducive to the bonding strength for improving cope plate 1 and lower template 2.
In the present embodiment, first guide cylinder hole 3 is using the cylindrical hole of boring bar progress boring processing, and the boring bar
Shaft be circular cone shaft, the taper of the outer cone of the circular cone shaft is identical as the taper of the conical bore 5.
The circular cone shaft and the taper having the same of conical bore 5 of above-mentioned boring bar can make boring bar shaft stretch in processing
While entering conical bore 5 and obtain biggish rigidity, and it will not interference with conical bore 5, to be conducive to improve the quality of processing.
In the present embodiment, multiple first positioning sleeves 6 successively docked are provided in first guide cylinder hole 3.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (7)
1. a kind of guiding hole connection structure of the opposed former in injection mold, which is characterized in that including cope plate, with it is described on
The lower template of template docking, is respectively equipped with the first guide cylinder hole being mutually coaxial docking, second on the cope plate, lower template
Guide cylinder hole, first guide cylinder hole are the through hole through the upper mold plate thickness, and the thickness of the cope plate
Size is more than five times of the first guide cylinder bore dia size, is oriented on first guide cylinder hole with described second
The butt end aperture of cylindrical hole is equipped with conical bore, and the conical bore is mutually coaxially disposed with first guide cylinder hole.
2. the guiding hole connection structure of the opposed former in a kind of injection mold according to claim 1, which is characterized in that
First guide cylinder hole is provided with the first positioning sleeve, and second guide cylinder hole is provided with the second positioning sleeve.
3. the guiding hole connection structure of the opposed former in a kind of injection mold according to claim 2, which is characterized in that
First positioning sleeve, the second positioning sleeve are the positioning sleeve that outer circle is cylinder.
4. the guiding hole connection structure of the opposed former in a kind of injection mold according to claim 2, which is characterized in that
The outer circle of first positioning sleeve includes interconnection and one section of cylindrical section coaxially and one section of conical section, the cylindrical section and institute
It states the first guide cylinder hole to match, the conical section is matched with the conical bore.
5. the guiding hole connection structure of the opposed former in a kind of injection mold according to claim 4, which is characterized in that
The big end outside diameter of the conical section is less than the big end outside diameter of the conical bore.
6. the guiding hole connection structure of the opposed former in a kind of injection mold according to claim 1, which is characterized in that
First guide cylinder hole is the cylindrical hole that boring processing is carried out using boring bar, and the shaft of the boring bar is circular cone shaft, institute
The taper for stating the outer cone of circular cone shaft is identical as the taper of the conical bore.
7. the guiding hole connection structure of the opposed former in a kind of injection mold according to claim 2, which is characterized in that
Multiple first positioning sleeves successively docked are provided in first guide cylinder hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346415.4U CN208946546U (en) | 2018-08-21 | 2018-08-21 | A kind of guiding hole connection structure of opposed former in injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346415.4U CN208946546U (en) | 2018-08-21 | 2018-08-21 | A kind of guiding hole connection structure of opposed former in injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208946546U true CN208946546U (en) | 2019-06-07 |
Family
ID=66734209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821346415.4U Active CN208946546U (en) | 2018-08-21 | 2018-08-21 | A kind of guiding hole connection structure of opposed former in injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208946546U (en) |
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2018
- 2018-08-21 CN CN201821346415.4U patent/CN208946546U/en active Active
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