CN216832010U - Injection mold convenient to drawing of patterns - Google Patents
Injection mold convenient to drawing of patterns Download PDFInfo
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- CN216832010U CN216832010U CN202220250930.2U CN202220250930U CN216832010U CN 216832010 U CN216832010 U CN 216832010U CN 202220250930 U CN202220250930 U CN 202220250930U CN 216832010 U CN216832010 U CN 216832010U
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- forming template
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- injection mold
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Abstract
The utility model discloses an injection mold convenient to drawing of patterns uses in injection mold technical field, and its technical scheme main points are: the device comprises an upper die and a lower die, wherein a plurality of ejection columns penetrate through the lower die in the thickness direction of the lower die, a forming template is hinged to the top surface of the lower die, a plurality of ejection pieces with top surfaces flush with the top surface of the forming template are arranged on the forming template, and an air cylinder for controlling the deflection of the forming template is arranged on the lower die, wherein the ejection columns are used for applying acting force to the ejection pieces to enable the ejection pieces to extend out of the forming template; has the technical effects that: when the workpiece is demoulded, the workpiece is separated from the forming template through the ejection piece, and then the forming template deflects through the air cylinder, so that the forming template can slide along the top surface of the forming template, and the workpiece is convenient to demould.
Description
Technical Field
The utility model relates to an injection mold technical field, more specifically say, it relates to an injection mold convenient to drawing of patterns.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.
At present, chinese patent with publication number CN215434769U discloses an injection molding piece forming die, including fixed die plate and movable die plate, the embedded fixed die benevolence that is equipped with of fixed die plate, the embedded movable die benevolence that is equipped with of movable die plate, fixed die benevolence and movable die benevolence form the shaping chamber when the compound die, fixed die plate deviates from movable die plate one side and offers a plurality of branch runners of all being linked together with the mouth of moulding plastics, every branch runner of moulding plastics all outwards extends from fixed die plate central point, every branch runner of moulding plastics keeps away from fixed die plate central point department and has all offered branch injection molding hole, every branch injection molding hole all is linked together with the shaping chamber, this injection mold can make the injected raw materials of moulding plastics flow to the border position in shaping chamber more evenly, make the border part of disk body change the shaping more easily, so that the disk body border part is difficult for producing the defect.
When an existing injection mold is used for processing a plastic product, in order to ensure the uniformity of slurry injection, the injection mold is generally horizontally placed, after the plastic product is cooled and molded, a finished product on a movable mold core is taken down through equipment or manpower, and the demolding process is extremely poor in efficiency.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an injection mold convenient to drawing of patterns, its advantage is that make the shaping template take place to deflect through the cylinder for fashioned plastic product can follow the landing of shaping template top surface, has made things convenient for the drawing of patterns to the work piece, very big improvement efficiency.
The above technical object of the present invention can be achieved by the following technical solutions: the lower die is provided with a plurality of ejection columns in the thickness direction, the top surface of the lower die is hinged with a forming template, a plurality of ejection pieces with top surfaces parallel to the top surface of the forming template are arranged on the forming template, the ejection columns are used for exerting acting force on the ejection pieces to enable the ejection pieces to extend out of the forming template, and an air cylinder used for controlling the forming template to deflect is arranged on the lower die.
Through the technical scheme, after the plastic product is cured and molded, the ejection piece is pushed by the ejection column to separate the finished product from the molding template, then the cylinder pushes the molding template to deflect, the molded finished product slides along the top surface of the molding template, so that the workpiece can be conveniently demolded, and the demolding efficiency is effectively improved.
The utility model discloses further set up to: the forming template is provided with a plurality of accommodating grooves along the thickness direction of the forming template from the top surface, the ejection part is placed in the accommodating grooves, the accommodating grooves are provided with a first through hole penetrating the forming template downwards from the bottom surface, and the first through hole is used for the top column to pass through.
The utility model discloses further set up to: the forming template is provided with a plurality of clamping grooves along the thickness direction of the forming template from the bottom surface, each clamping groove is communicated with a first through hole, a clamping piece is arranged in each clamping groove, the bottom surface of the ejection piece is fixedly connected with an elastic piece, and the other end of the elastic piece is fixedly connected to the clamping piece.
Through the technical scheme, because the thick liquids of moulding plastics are the fluid form, and the pressure between the fashioned in-process bed die of messenger's slurry and moulded die board is very big, in order to guarantee off-the-shelf shaping effect, there is not the gap basically between the side week wall of liftout piece and holding tank, therefore, frictional force between the side week wall of liftout piece and holding tank is also great, after the ejecting holding tank of liftout piece, in its self gravity probably can't guarantee the holding tank of liftout piece withdrawal, through setting up the elastic component, ensured that the liftout piece can withdraw in the holding tank.
The utility model discloses further set up to: and four corners of the upper die are all downwards provided with positioning through holes penetrating through the lower die from the top surface.
Through the technical scheme, when the upper die and the lower die are installed on the mechanical equipment to be fixed, the positioning columns on the mechanical equipment penetrate through the positioning through holes in the upper die and the lower die, and accurate butt joint between the upper die and the lower die is guaranteed.
The utility model discloses further set up to: the length of the forming template in the direction of the rotation axis of the forming template is smaller than the distance between the two positioning through holes in the direction of the rotation axis of the forming template, the two ends of the forming template in the direction of the rotation axis of the forming template are respectively and fixedly connected with a connecting block, and the forming template deflects by the air cylinder through controlling the connecting blocks.
Through above-mentioned technical scheme, because the reference column on the mechanical equipment passes mould and bed die, in order to guarantee the rotation of shaping template, consequently, the length of shaping template should be less than the distance between its two positioning hole on the axis of rotation direction, through setting up the connecting block, has made things convenient for the cylinder to the control of shaping template.
The utility model discloses further set up to: the bottom surface of the upper die is fixedly connected with a plurality of upper positioning blocks, and the top surface of the forming template is provided with a plurality of first positioning grooves matched with the upper positioning blocks along the thickness direction.
Through the technical scheme, the upper die and the forming die plate can be accurately butted through the matching of the upper positioning block and the first positioning groove, and the forming effect of the plastic product is guaranteed.
The utility model discloses further set up to: the bottom surface of the forming template is fixedly connected with a plurality of lower positioning blocks, and a plurality of positioning grooves II matched with the lower positioning blocks are formed in the top surface of the lower die downwards along the thickness of the lower die.
Through the technical scheme, because the forming template can frequently deflect, the upper die and the forming template can be accurately butted through the matching of the lower positioning block and the positioning groove II.
The utility model discloses further set up to: the deflection angle of the forming die plate is greater than 60 degrees.
Through the technical scheme, the closer the molding template is to the vertical state, the easier the injection-molded plastic product slides from the molding template, and the inclination angle of more than 60 degrees can meet the requirement that most molded plastic products slide from the molding template.
To sum up, the utility model discloses following beneficial effect has:
after the plastic product is subjected to injection molding, the plastic product is separated from the molding template through the action of the ejection column on the ejection piece, and then the molding template deflects through the action of the cylinder, so that the molded plastic product can slide along the top surface of the molding template, and the finished product is conveniently subjected to demolding work.
Drawings
FIG. 1 is an exploded view of the first embodiment;
FIG. 2 is an exploded view II of the present embodiment;
FIG. 3 is a sectional view of the molding board in the present embodiment;
fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Reference numerals: 1. an upper die; 2. a lower die; 3. forming a template; 4. a cylinder; 5. a top pillar; 6. positioning the through hole; 7. connecting blocks; 8. ejecting the part; 9. an elastic member; 10. a clamping piece; 11. an upper positioning block; 12. positioning a first groove; 13. a lower positioning block; 14. and a second positioning groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
an injection mold convenient for demolding is shown in figure 1 and comprises an upper mold 1 and a lower mold 2, wherein a plurality of top columns 5 penetrate through the lower mold 2 in the thickness direction; at a side edge fixedly connected with a plurality of lug of the top surface of bed die 2, be provided with at the top surface of mould with a plurality of lug articulated one shaping template 3, be provided with the ejecting 8 of a plurality of top surface and 3 top surfaces parallel and level of shaping template on shaping template 3, the fore-set 5 is used for exerting the effort that makes it stretch out shaping template 3 to ejecting 8, wherein, is provided with the cylinder 4 that is used for controlling shaping template 3 and deflects on bed die 2.
Specifically, referring to fig. 3 and 4, the forming template 3 is provided with a plurality of accommodating grooves along the thickness direction thereof from the top surface, the ejecting member 8 is placed in the accommodating grooves and attached to the inner peripheral wall of the accommodating grooves, wherein the ejecting member 8 is a solid cylinder, the accommodating grooves are provided with a first through hole penetrating the forming template 3 from the bottom surface downwards for the penetrating of the top pillar 5, the bottom surface of the forming template 3 is provided with a plurality of clamping grooves along the thickness direction thereof, annular clamping members 10 are arranged in the clamping grooves, each clamping groove is communicated with one first through hole, two second through holes penetrating the clamping grooves are arranged downwards at the bottom surface of the accommodating groove, each second through hole is provided with an elastic member 9, one end of each elastic member 9 is fixedly connected to the bottom surface of the ejecting member 8, the other end of each elastic member 9 is fixedly connected to the clamping members 10, the elastic members 9 can be springs and the like, wherein, the top surface of the card borrowing piece is provided with a third through hole which penetrates through the card borrowing piece along the thickness direction of the card borrowing piece, and the elastic piece 9 can penetrate through the third through hole by a steel wire rope and the like and is fixed on the card connecting piece 10 in a winding way and the like.
Referring to fig. 1, all set up the positioning hole 6 that runs through lower mould 2 downwards from the top surface in the four corners of upper mould 1, in order to guarantee that forming template 3 can take place to deflect, forming template 3 is less than the distance between two positioning hole 6 on its axis of rotation direction in its length in the axis of rotation direction, wherein, forming template 3 is at connecting block 7 of each fixedly connected with in its both ends in the axis of rotation direction, cylinder 4 makes forming template 3 take place to deflect through control connecting block 7, and forming template 3's deflection angle is greater than 60.
Referring to fig. 2 and 3, a plurality of upper positioning blocks 11 are fixedly connected to the bottom surface of the upper mold 1, a plurality of positioning grooves 12 matched with the upper positioning blocks 11 are formed in the top surface of the forming mold plate 3 along the thickness direction of the top surface, a plurality of lower positioning blocks 13 are fixedly connected to the bottom surface of the forming mold plate 3, a plurality of positioning grooves 14 matched with the lower positioning blocks 13 are formed in the top surface of the lower mold 2 downwards along the thickness direction of the top surface, the positioning blocks are regular cubes, and the length of the positioning grooves 14 in the direction perpendicular to the rotation axis of the forming mold plate 3 is larger than that of the positioning blocks to ensure that the positioning blocks can be inserted into the positioning grooves 14.
The working process and principle of the embodiment are as follows:
when people use the mould to carry out injection molding, after the molding template 3 is connected with the lower mould 2, the upper mould 1 and the lower mould 2 are connected on corresponding equipment through the positioning through hole 6, after the plastic product is formed, the upper mold 1 is separated from the forming template 3, and then the ejector 8 separates the formed plastic product from the forming template 3 by controlling the ejector 5 to be abutted against the ejector 8, and then the ejector 5 is restored to the original position, under the action of the elastic part 9, the ejecting part 8 also retracts into the accommodating groove, then the forming template 3 is pushed to deflect under the action of the cylinder 4, after the forming template 3 deflects to a certain angle, the formed plastic product slides down along the top surface of the forming template 3 under the action of gravity, the process does not need to manually take out the molded plastic product, and the efficiency of demoulding the finished product is effectively improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an injection mold convenient to drawing of patterns, includes upper mold (1) and bed die (2), bed die (2) have penetrated a plurality of fore-set (5), its characterized in that in its thickness direction: the top surface of bed die (2) articulates there is forming template (3), be provided with ejecting (8) of a plurality of top surface and forming template (3) top surface parallel and level on forming template (3), fore-set (5) are used for applying the effort that makes it stretch out forming template (3) to ejecting (8), be provided with cylinder (4) that are used for controlling forming template (3) deflection on bed die (2).
2. The injection mold for facilitating demolding as claimed in claim 1, wherein: the forming template (3) is provided with a plurality of accommodating grooves along the thickness direction from the top surface, the ejection part (8) is placed in the accommodating grooves, the accommodating grooves are provided with a first through hole penetrating the forming template (3) downwards from the bottom surface, and the first through hole is used for the top column (5) to pass through.
3. An injection mold for facilitating demolding as claimed in claim 2, wherein: a plurality of clamping grooves are formed in the bottom surface of the forming template (3) in the thickness direction of the forming template, each clamping groove is communicated with a first through hole, a clamping piece (10) is arranged in each clamping groove, an elastic piece (9) is fixedly connected to the bottom surface of the ejection piece (8), and the other end of each elastic piece (9) is fixedly connected to the corresponding clamping piece (10).
4. An injection mould facilitating demoulding according to any of claims 1 to 3, wherein: and four corners of the upper die (1) are all provided with positioning through holes (6) which penetrate through the lower die (2) from the top surface downwards.
5. The injection mold for facilitating demolding as claimed in claim 1, wherein: the length of the forming template (3) in the direction of the rotation axis of the forming template is smaller than the distance between two positioning through holes (6) in the direction of the rotation axis of the forming template, connecting blocks (7) are respectively and fixedly connected to the two ends of the forming template (3) in the direction of the rotation axis of the forming template, and the forming template (3) deflects by the aid of the air cylinders (4) through the control of the connecting blocks (7).
6. An injection mold for facilitating demolding as claimed in claim 5, wherein: the bottom surface of the upper die (1) is fixedly connected with a plurality of upper positioning blocks (11), and the top surface of the forming template (3) is provided with a plurality of positioning grooves I (12) matched with the upper positioning blocks (11) along the thickness direction.
7. The injection mold of claim 6, wherein: the bottom surface of the forming template (3) is fixedly connected with a plurality of lower positioning blocks (13), and the top surface of the lower die (2) is downwards provided with a plurality of positioning grooves II (14) matched with the lower positioning blocks (13) along the thickness of the top surface.
8. An injection mold for facilitating demolding as claimed in claim 7, wherein: the deflection angle of the forming die plate (3) is larger than 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220250930.2U CN216832010U (en) | 2022-02-07 | 2022-02-07 | Injection mold convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220250930.2U CN216832010U (en) | 2022-02-07 | 2022-02-07 | Injection mold convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216832010U true CN216832010U (en) | 2022-06-28 |
Family
ID=82088764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220250930.2U Active CN216832010U (en) | 2022-02-07 | 2022-02-07 | Injection mold convenient to drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216832010U (en) |
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2022
- 2022-02-07 CN CN202220250930.2U patent/CN216832010U/en active Active
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