CN208497657U - A kind of bending mould - Google Patents
A kind of bending mould Download PDFInfo
- Publication number
- CN208497657U CN208497657U CN201820717341.4U CN201820717341U CN208497657U CN 208497657 U CN208497657 U CN 208497657U CN 201820717341 U CN201820717341 U CN 201820717341U CN 208497657 U CN208497657 U CN 208497657U
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- mold
- positioning
- hole
- positioning column
- hot bending
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Abstract
The utility model discloses a kind of bending moulds, including the first mold and the second mold.The first boss with first positioning hole is provided in the inner cavity surface of first mold；The first groove with positioning column is provided in the inner cavity surface of second mold, positioning column and first positioning hole size adaptation, position correspond to；After molding: the inner cavity surface of the first mold and the inner cavity surface of the second mold fasten the forming cavity constituted for accommodating workpiece to be added；First boss and the first groove fasten the hot bending chamber for constituting and carrying out hot bending shape for hot bending portion to machined part；The default through-hole that positioning column passes through in hot bending portion is set in first positioning hole；The cross sectional shape of positioning column is greater than the hole size before default forming through holes, and is less than or equal to the maximum standard value after default forming through holes.It when carrying out hot bending shape using the bending mould, is positioned and is squeezed by the default through-hole in the hot bending portion of positioning column to machined part, the thickness for helping avoid hot bending portion is thinning, guarantees properties of product.
Description
Technical field
The utility model relates to technical field of mechanical processing, in particular to a kind of bending mould.
Background technique
Hot bending shape technique, refers to workpiece to be added being heated to certain temperature, makes its brake forming at such a temperature, commonly uses
In bending organic glass and plastic sheet.For example, hot bending shape technique processing system is usually used in 3D camera in the prior art
It makes.
But in hot bending production process, the crooked position in 3D hot bending product suffers from stretcher strain, after shaping
Thickness can be thinning, to influence the performances such as product strength.
Therefore, how to avoid the crooked position in 3D hot bending product from influencing properties of product since thickness is thinning, be current
Those skilled in the art's technical problem urgently to be resolved.
Utility model content
In view of this, helping avoid hot bending portion the purpose of this utility model is to provide a kind of bending mould
Thickness is thinning, guarantees properties of product.
To achieve the above object, the utility model provides the following technical solutions:
A kind of bending mould, comprising:
First mold is provided with first boss in the inner cavity surface of first mold, is provided in the first boss
A positioning hole；
Second mold is provided with the first groove in the inner cavity surface of second mold, and it is fixed to be provided in first groove
Position column, the positioning column and first positioning hole size adaptation, position are corresponding；
After molding:
The inner cavity surface of first mold and the inner cavity surface of second mold, which fasten, to be constituted for accommodating workpiece to be added
Forming cavity；
The first boss and first groove, which fasten to constitute, carries out hot bending for the hot bending portion to the workpiece to be added
Molding hot bending chamber has default through-hole in the hot bending portion；
The positioning column passes through the default through-hole and is set in the first positioning hole；
Also, the cross sectional shape of the positioning column is greater than the hole size before the default forming through holes, and is less than or waits
Maximum standard value after the default forming through holes.
Preferably, in above-mentioned bending mould, first mold is the punch-pin for being provided with second boss, described
Two molds are the cavity plate for being provided with the second groove.
Preferably, in above-mentioned bending mould, the periphery of first mold is provided with positioning convex platform, and described second
The periphery of mold is provided with the positioning groove being adapted to the positioning convex platform.
Preferably, in above-mentioned bending mould, there are four the positioning convex platform settings, is located at first mould
The two sides of tool；There are four the positioning groove settings, is located at the two sides of second mold.
Preferably, in above-mentioned bending mould, the top of the positioning column is taper.
Preferably, in above-mentioned bending mould, the bottom surface of first groove is provided with second location hole, described fixed
Position column is removably set in the second location hole.
Preferably, in above-mentioned bending mould, the workpiece to be added be 3D camera cover hot bending shape before to
Process plate.
Preferably, in above-mentioned bending mould, the positioning column is than the maximum standard after the default forming through holes
It is worth 0 to 0.2 millimeter small.
Preferably, in above-mentioned bending mould, the positioning column protrudes the height model of the bottom surface of first groove
It encloses are as follows: thickness more after molding than the bending section is 0.1 millimeter to 0.5 millimeter big.
Preferably, in above-mentioned bending mould, the thickness range of the first boss are as follows: 0.1 millimeter to 0.3 milli
Rice.
It can be seen from the above technical proposal that in bending mould provided by the utility model, due to cutting for positioning column
Face shape is greater than the hole size before the default forming through holes in the hot bending portion of workpiece to be added, thus, during hot bending shape,
Positioning and extruding around the default through-hole by positioning column, mill again with the direct hot bending drawing and forming in hot bending portion is enabled in the prior art
The mode of through-hole is compared out, while being stretched and squeezing the hot bending portion of reaming by hot bending, and thickness is relatively thick, and intensity is relatively
By force, the overall performance of 3D hot bending product is advantageously ensured that.As it can be seen that bending mould provided by the utility model, to be added
When workpiece carries out hot bending shape, is positioned and squeezed by the default through-hole in the hot bending portion of positioning column to machined part, had
Help avoid the thickness in hot bending portion thinning, guarantees properties of product.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of bending mould provided by the embodiment of the utility model；
Fig. 2 is the external structure schematic diagram after bending mould provided by the embodiment of the utility model molding；
Fig. 3 is the sectional side view after bending mould provided by the embodiment of the utility model molding；
Fig. 4 is the sectional side view before bending mould provided by the embodiment of the utility model molding；
Fig. 5 is the sectional side view of positioning column provided by the embodiment of the utility model.
Wherein:
1- convex mold, 2- cavity plate, 3- workpiece to be added,
10- second boss, 11- first boss, 12- first positioning hole, 13- positioning convex platform,
The second groove of 20-, the first groove of 21-, 22- positioning column, 23- positioning groove, 220- second location hole.
Specific embodiment
The utility model discloses a kind of bending moulds, and the thickness for helping avoid hot bending portion is thinning, guarantee product
Performance.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 5 is please referred to, Fig. 1 is the structural schematic diagram of bending mould provided by the embodiment of the utility model, figure
2 be the external structure schematic diagram after bending mould provided by the embodiment of the utility model molding, and Fig. 3 is that the utility model is real
Sectional side view after applying the bending mould molding of example offer, Fig. 4 are bending mould provided by the embodiment of the utility model
Sectional side view before molding, Fig. 5 are the sectional side view of positioning column provided by the embodiment of the utility model.
Bending mould provided by the embodiment of the utility model carries out hot bending shape, processing for machined part 3
Before, default through-hole is offered in the hot bending portion of the workpiece 3 to be added.
Bending mould provided by the embodiment of the utility model, including the first mold 1 and the second mold 2, after molding, the
The inner cavity surface of one mold 1 and the inner cavity surface of the second mold 2 fasten the forming cavity constituted for accommodating workpiece 3 to be added.
Also, it is provided with first boss 11 in the inner cavity surface of the first mold 1, is provided with first positioning hole in first boss 11
12；It is provided with the first groove 21 in the inner cavity surface of second mold 2, positioning column 22,22 He of positioning column are provided in the first groove 21
12 size of first positioning hole adaptation, position are corresponding.After molding, first boss 11 and the first groove 21 are fastened and are constituted for to be added
The hot bending portion of workpiece 3 carries out the hot bending chamber of hot bending shape, and positioning column 22 is set in right through the default through-hole in the hot bending portion
In first positioning hole 12.
Wherein, the cross sectional shape of positioning column 22 is greater than the through-hole before the default forming through holes in the hot bending portion of workpiece 3 to be added
Size (in order to be squeezed by positioning column 22 hot bending portion in hot bending shape), and it is less than or equal to default forming through holes
Maximum standard value afterwards (prevent default through-hole after molding excessive).
It should be noted that " the maximum standard value after default forming through holes " refers to the through-hole diameter in finished product
" design standard value " adds " maximum allowance value ".For example, " the design standard value " of through-hole diameter is 18.00 millimeters, " maximum allowance
Value " is+0.05 millimeter, then the diameter of positioning column 22 is less than or equal to 18.05 millimeters.Moreover, workpiece 3 to be added is before processing, heat
The default hole size opened up in advance on turn of bilge is generally smaller than the design standard value of shaped article.
Through-hole before the default forming through holes being greater than in the hot bending portion of workpiece 3 to be added due to the cross sectional shape of positioning column 22 is big
It is small, thus, during hot bending shape, positioning and extruding around the default through-hole by positioning column 22, and in the prior art
The mode for enabling the direct hot bending drawing and forming in hot bending portion mill out through-hole again is compared, while being stretched and squeezing the hot bending of reaming by hot bending
Portion, thickness is relatively thick, and intensity is relatively strong, advantageously ensures that the overall performance of 3D hot bending product.
It can be seen from the above technical proposal that bending mould provided by the embodiment of the utility model, to be processed
When part 3 carries out hot bending shape, is positioned and is squeezed by the default through-hole on positioning column 22 to machined part 3 hot bending portion,
The thickness for helping avoid hot bending portion is thinning, guarantees properties of product.
In a particular embodiment, as shown in Figure 1, the first mold 1 is the punch-pin for being provided with second boss 10, the second mold 2
For the cavity plate for being provided with the second groove 20.Moreover, being provided with positioning convex platform 13, the week of the second mold 2 on the periphery of the first mold 1
While being provided with the positioning groove 23 being adapted to positioning convex platform 13.For example, being located at the first mould there are four the settings of positioning convex platform 13
The two sides of tool 1；There are four the settings of positioning groove 23, is located at the two sides of the second mold 2.
But is not limited thereto, and in other specific embodiments, being also possible to the first mold 1 is cavity plate, the second mould
Tool 2 is punch-pin.Moreover, it can be, positioning groove is set on the periphery of the first mold 1, the periphery of the second mold 2 is provided with fixed
Position boss.Also, the utility model does not do specific limit for the quantity and position of positioning convex platform 13 and positioning groove 23
Fixed, those skilled in the art can be specifically arranged according to actual needs.
In a particular embodiment, positioning column 22 can be set to the knot with 21 integral type of the first groove in the second mold 2
Structure.It is further possible to which positioning column 22 is arranged to individual part, positioning column 22 is enabled detachably to pacify on the second mold 2
Dress, to replace adjustment.Moreover, it is also possible to change the deformation thickness in product hot bending portion by the size for adjusting positioning column 22.
Specifically, in the bottom surface of the first groove 21 of above-mentioned second mold 2, it is provided with second location hole 220, positioning column 22 is removably
It is set in second location hole 220.
In a particular embodiment, positioning column 22, the first groove 21, first boss 11 shape according to the design of shaped article
Depending on shape.For example, workpiece 3 to be added is the plate to be processed for being processed into 3D camera cover, the through-hole in hot bending portion is ellipse
Circular hole, thus, the cross sectional shape of default through-hole, positioning column 22, the first groove 21, first boss 11 before processing is disposed as ellipse
It is round.
In a particular embodiment, the top of above-mentioned positioning column 22 is preferably designed for taper, the bus and positioning column of the taper
Depending on corner dimension between 22 top surface is according to the default hole size on workpiece 3 to be added.
Specifically, it is hereafter specifically described for being 3D camera cover by 3 hot bending shape of workpiece to be added.
As shown in figure 5, the angle in the tapered tip of positioning column 22, between the bus a of taper and the top surface b of positioning column 22
Magnitude range are as follows: be greater than or equal to 150 °；
Positioning column 22 is than maximum standard value (including the laterally maximum mark after the default through-hole hot bending shape on workpiece 3 to be added
Quasi- value, longitudinal maximum standard value, arc radius etc.) it is 0 to 0.2 millimeter small；
Positioning column 22 protrudes the altitude range of the bottom surface of the first groove 21 are as follows: thickness big 0.1 milli more after molding than bending section
Rice is to 0.5 millimeter；
The thickness range of first boss 11 are as follows: 0.1 millimeter to 0.3 millimeter.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of bending mould characterized by comprising
First mold (1) is provided with first boss (11) in the inner cavity surface of first mold (1), the first boss (11)
On be provided with first positioning hole (12)；
Second mold (2) is provided with the first groove (21) in the inner cavity surface of second mold (2), first groove (21)
It is inside provided with positioning column (22), the positioning column (22) is adapted to the first positioning hole (12) size, position is corresponding；
After molding:
The inner cavity surface of first mold (1) and the inner cavity surface of second mold (2) are fastened and are constituted for accommodating workpiece to be added
(3) forming cavity；
The first boss (11) and first groove (21) fasten constitute for the hot bending portion to the workpiece (3) to be added into
The hot bending chamber of row hot bending shape has default through-hole in the hot bending portion；
The positioning column (22) passes through the default through-hole and is set in the first positioning hole (12)；
Also, the cross sectional shape of the positioning column (22) is greater than the hole size before the default forming through holes, and is less than or waits
Maximum standard value after the default forming through holes.
2. bending mould according to claim 1, which is characterized in that first mold (1) is to be provided with second
The punch-pin of boss (10), second mold (2) are the cavity plate for being provided with the second groove (20).
3. bending mould according to claim 1, which is characterized in that the periphery of first mold (1) is provided with
Positioning convex platform (13), the periphery of second mold (2) are provided with the positioning groove (23) being adapted to the positioning convex platform (13).
4. bending mould according to claim 3, which is characterized in that there are four positioning convex platform (13) settings,
It is located at the two sides of first mold (1)；There are four positioning groove (23) settings, is located at second mold
(2) two sides.
5. bending mould according to claim 1, which is characterized in that the top of the positioning column (22) is taper.
6. bending mould according to claim 1, which is characterized in that the bottom surface of first groove (21) is provided with
Second location hole (220), the positioning column (22) are removably set in the second location hole (220).
7. bending mould according to any one of claims 1 to 6, which is characterized in that the workpiece (3) to be added is 3D
Plate to be processed before camera cover hot bending shape.
8. bending mould according to claim 7, which is characterized in that the positioning column (22) is than the default through-hole
Maximum standard value after molding is 0 to 0.2 millimeter small.
9. bending mould according to claim 7, which is characterized in that positioning column (22) protrusion described first is recessed
The altitude range of the bottom surface of slot (21) are as follows: thickness more after molding than the hot bending portion is 0.1 millimeter to 0.5 millimeter big.
10. bending mould according to claim 7, which is characterized in that the thickness range of the first boss (11)
Are as follows: 0.1 millimeter to 0.3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717341.4U CN208497657U (en) | 2018-05-14 | 2018-05-14 | A kind of bending mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717341.4U CN208497657U (en) | 2018-05-14 | 2018-05-14 | A kind of bending mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208497657U true CN208497657U (en) | 2019-02-15 |
Family
ID=65298600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820717341.4U Active CN208497657U (en) | 2018-05-14 | 2018-05-14 | A kind of bending mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208497657U (en) |
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2018
- 2018-05-14 CN CN201820717341.4U patent/CN208497657U/en active Active
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