CN210820577U - Double-shot injection mold slider pull-out mechanism - Google Patents
Double-shot injection mold slider pull-out mechanism Download PDFInfo
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- CN210820577U CN210820577U CN201920950551.2U CN201920950551U CN210820577U CN 210820577 U CN210820577 U CN 210820577U CN 201920950551 U CN201920950551 U CN 201920950551U CN 210820577 U CN210820577 U CN 210820577U
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Abstract
The utility model provides a double-shot molding die slider pull-out mechanism, the slider that sets up in its structure of pull-out mechanism including the public mould of first color mould and the public mould of second color, the oblique conducting bar that sets up on the first color master model, the device is led to drawing that sets up on the second color master model. The guide device comprises a one-way guide block, and the one-way guide block is composed of an oblique guide strip and a pull clamping strip arranged on the oblique sliding surface of the oblique guide strip. The guide device comprises a bidirectional guide block, and the bidirectional guide block is composed of an oblique guide bar and a pair of clamping bars symmetrically arranged on two oblique sliding surfaces of the oblique guide bar. One end of the sliding block is connected with the male die core, the other end of the sliding block is provided with an inclined guide surface, and the angle of the inclined guide surface of the sliding block is consistent with the angle of the inclined sliding surface on the inclined guide strip. The oblique guide surface of the sliding block and the inner wall of the first color male die or the second color male die frame form an oblique guide cavity. An inclined guide cavity is formed between the inverted inclined surfaces of the two adjacent sliding blocks.
Description
Technical Field
A sliding block pulling-out mechanism of a double-color injection mold relates to the field of injection molds, in particular to a sliding block pulling-out and closing mechanism used when the double-color injection mold opens and closes the mold.
Background
In the field of plastic injection products, a double-color mold means that two plastic materials are injected on the same injection molding machine and are molded by two times. Two-color molds usually need two sets of molds to complete together, and a special two-color injection molding machine is needed.
The general working process of the traditional double-color mold is as follows: the first color raw material is injected into the first forming die through the material pipe to form a single-color finished product, then the die opening operation is carried out, but the slide block is also pulled away from the product under the action of the female die inclined guide post in the die opening process, and the single-color finished product is left in the male die core independently.
And the injection molding machine mold closing device drives the male mold to rotate 180 degrees to a second color position for mold closing, the female mold inclined guide post closes the slide block together again during mold closing, the second color raw material is injected into the second molding die through the material pipe to be manufactured into a double-color mold product, then the mold opening operation is performed, the female mold inclined guide post pulls the slide block away from the product again, and the ejection mechanism ejects the product out of the mold.
Above-mentioned double-colored mould dials away the product dropout with the slider after the shaping of first color, but the slider is closed again when changeing second color compound die, and the product is scratched easily to the slider after the closure, appears the undercut phenomenon.
In the ideal state, the two-color injection mold needs to keep the slide block stationary during the mold opening operation after the injection of the first color product is completed during the injection molding, that is, the slide block cannot leave the product during the mold opening of the first color, and the slide block must slide away from the product during the mold opening operation after the injection of the second color product is completed.
Disclosure of Invention
In order to solve the problem, the utility model provides a double-shot injection mold slider pull-out mechanism, pull-out structure is including the slider that sets up in first color female die I and the second color male die II, the oblique conducting bar that sets up on the first color female die I, the device is led to drawing that sets up on the second color female die II.
Specifically, oblique sliding surfaces are symmetrically arranged on two sides of the oblique guide bar. The guide device comprises a one-way guide block, and the one-way guide block is composed of an oblique guide strip and a pull clamping strip arranged on the oblique sliding surface of the oblique guide strip. The guide device comprises a bidirectional guide block, and the bidirectional guide block is composed of an oblique guide bar and a pair of clamping bars symmetrically arranged on two oblique sliding surfaces of the oblique guide bar.
Specifically, one end of the sliding block is connected with the core insert, the other end of the sliding block is provided with an inclined guide surface, and the angle of the inclined guide surface of the sliding block is consistent with the angle of the inclined sliding surface on the inclined guide strip. And the inclined guide surface of the sliding block and the inner wall of the die frame of the first color male die I or the second color male die II form an inclined guide cavity. And an inclined guide cavity is formed between the inclined guide surfaces of the two adjacent sliding blocks.
Specifically, an inclined guide groove is formed in the inclined guide surface of the sliding block, and the section shape of the inclined guide groove is matched with that of the pulling and clamping strip. The inclined guide surface is further provided with a slide fastener groove, the slide fastener groove is perpendicular to the inclined guide groove, a slide fastener is arranged in the slide fastener groove, and the slide fastener can slide in the slide fastener groove.
Specifically, the cross section of the slide fastener groove is matched with that of the slide fastener. The end face of the inner side of the slide fastener abuts against one side face of the pulling and clamping strip, and the shape of the end face of the inner side of the slide fastener is consistent with the shape of the end face of the inner side of the slide fastener abutting against the side face of the pulling and clamping strip. And a round hole is formed in the end face of the outer side of the slide fastener, and a pressure spring is arranged in the round hole.
The utility model discloses its profitable effect of double-shot injection mold slider pull-out mechanism does, and the oblique conducting bar that sets up on first color master model I only has when first color module compound die and carries out closed function with first color public mould I interior slider, and when first color module was moulded plastics and is accomplished the die sinking, oblique conducting bar it can not be dialled away first color injection molding finished product with public mould slider.
After the male dies of the first color die set and the second color die set are subjected to 180-degree rotary transposition die assembly, the pull guide device arranged on the second color female die set II is directly inserted into a gap between the sliding blocks of the first color male die set I, and the sliding blocks cannot be influenced. When the second-color module finishes the die sinking, the pulling and guiding device pulls the male die slide block away from the second-color injection molding finished product under the matching of the pulling and clamping strip and the slide fastener, and the ejection mechanism ejects the finished product out of the die.
Drawings
FIG. 1 is the utility model discloses its mould body master model sketch of double-shot injection mold slider pull-out mechanism
FIG. 2 is the utility model discloses the public mould sketch map of its mould body of double-shot injection mould slider pull-out mechanism
FIG. 3 shows the enlarged view of the oblique guide bar shown in FIG. 1 of the slider pulling mechanism of the double-shot injection mold of the present invention
FIG. 4 shows an enlarged drawing of the drawing device shown in FIG. 1 for the double-shot injection mold slide block drawing mechanism of the present invention
FIG. 5 shows an enlarged drawing (II) of the drawing device of the double-shot injection mold slide block drawing mechanism of FIG. 1 of the present invention
FIG. 6 is an enlarged view (I) of the male mold inner slide block connection structure of the double-shot injection mold slide block drawing-out mechanism of FIG. 2 of the present invention
FIG. 7 is an enlarged view (II) of the male mold inner slide block connecting structure of the double-shot injection mold slide block drawing-out mechanism of FIG. 2 of the present invention
FIG. 8 shows the three-dimensional schematic diagram of the oblique guide bar and the slider of the slider pulling-out mechanism of the double-color injection mold
FIG. 9 shows the three-dimensional schematic drawing of the drawing device and the slider of the slider drawing mechanism of the double-shot injection mold
FIG. 10 is the schematic view of the structure of the slider and the slide fastener strip of the slider pull-out mechanism of the double-color injection mold of the utility model
FIG. 11 is a schematic view showing the first color module male mold I and the female mold I of the slider pulling mechanism of the two-color injection mold of the present invention in a three-dimensional manner
FIG. 12 is the schematic view of the first color module male mold I and female mold I opening and closing section of the slider pulling mechanism of the dual-color injection mold of the utility model
FIG. 13 is a schematic view (two) of the first color module male mold I and female mold I of the two-color injection mold slider pulling-out mechanism of the present invention
FIG. 14 is a schematic view showing the first color module male mold I and the female mold I of the two-color injection mold slider pulling-out mechanism of the present invention in a three-dimensional manner
FIG. 15 is a schematic view showing the first color module male mold I and female mold I of the two-color injection mold slider pulling mechanism of the present invention in three dimensions (two)
Detailed Description
The utility model discloses double-shot molding slider pull-out mechanism, it is used for the public mould of double-shot molding and female mould displacement of slider in public mould when opening and shutting. The double-color injection mold shown in fig. 1 and fig. 2 comprises a first color module and a second color module, wherein the first color module comprises a male mold I1 a and a female mold I1 b, and the second color module comprises a male mold II 2a and a female mold II 2 b. The male die I1 a and the male die II 2a can rotate in a 180-degree transposition mode under the driving of a mold closing device of the injection molding machine.
The drawing structure shown in fig. 3-7 comprises a slide block 3 arranged in a male die I1 a and a male die II 2a, an inclined guide strip 4 arranged on a female die 1b I, and a drawing device arranged on a female die II 2 b.
Specifically, the two sides of the oblique guide bar 4 shown in fig. 3 are symmetrically provided with oblique sliding surfaces 4 a.
Specifically, the pulling and guiding device shown in fig. 4 includes a one-way pulling and guiding block 5a, and the one-way pulling and guiding block 5a is composed of an oblique guide bar 4 and a pulling and clamping bar 6 arranged on an oblique sliding surface 4a of the oblique guide bar 4.
Specifically, the drawing and guiding device shown in fig. 5 includes a bidirectional drawing and guiding block 5b, and the bidirectional drawing and guiding block 5b is composed of an oblique guide bar 4 and two clamping bars 6 symmetrically arranged on an oblique sliding surface 4a of the oblique guide bar 4.
Specifically, one end of the slide block 3 shown in fig. 6 and 7 is connected to the core insert a1, and the other end is provided with a slant guide surface 3 a.
Specifically, as shown in fig. 6, the inclined guide surface 3a of the slider 3 and the inner wall of the mold frame 11 of the male mold i 1a or the male mold ii 2a form an inclined guide cavity 7 a.
Specifically, as shown in fig. 7, an inclined guide cavity 7b is formed between the inclined guide surfaces 3a of the two adjacent sliders 3.
Specifically, fig. 8 and 9 show that the inclined guide surface 3a of the slider 3 is arranged at an angle corresponding to the angle of the inclined guide surface 4a of the inclined guide bar 4.
Specifically, an inclined guide groove 3b is provided on the inclined guide surface 3a of the slider 3 shown in fig. 10, and the cross-sectional shape of the inclined guide groove 3b matches with the cross-sectional shape of the card pulling strip 6.
Specifically, as shown in fig. 10, a sliding-buckle groove 3c is further disposed on the inclined guide surface 3a, and the sliding-buckle groove 3c is perpendicular to the inclined guide surface 3a
The inclined guide groove 3b is arranged, a slide fastener 8 is arranged in the slide fastener groove 3c, and the slide fastener 8 can slide in the slide fastener groove 3 c.
Specifically, the cross-sectional shape of the slider groove 3c shown in fig. 10 matches the cross-sectional shape of the slider 8.
Specifically, as shown in fig. 10, the inner end surface 8a of the slider 8 abuts against one side surface of the card pulling strip 6, and the shape of the inner end surface 8a of the slider 8 is identical to the shape of the inner end surface 8a abutting against the side surface of the card pulling strip 6.
In order to enhance the pushing force of the slide fastener 8 on the pull-clamp strip 6, specifically, as shown in fig. 10, a circular hole 8b is formed in an end surface of the slide fastener 8 on the outer side, and a pressure spring 9 is arranged in the circular hole 8 b.
The utility model discloses its working procedure of double-shot injection mold slider pull-out mechanism is as follows.
1) Referring to fig. 1 and 2, a male mold i 1a and a male mold ii 2a are connected to a mold closing device of an injection molding machine, a female mold i 1b and a female mold ii 2b are arranged on the injection molding machine injection device, the male mold i 1a and the male mold ii 2a can rotate for 180 degrees through the mold closing device of the injection molding machine to perform transposition, and the male mold i 1a and the male mold ii 2a can horizontally move towards the female mold i 1b and the female mold ii 2b through the mold closing device of the injection molding machine.
2) Fig. 11 is a state that two corresponding male mold cores a1 in a male mold i 1a of the injection molding machine shown in fig. 12 are separated before operation, the male mold i 1a moves horizontally in the direction of a female mold 1b under the driving of a mold closing device after the injection molding machine is started, when an oblique guide strip 4 arranged on the male mold i 1a is inserted into an oblique guide cavity 7a and an oblique guide cavity 7b of the female mold 1b, the oblique guide strip 4 pushes a slider 3 and drives the two corresponding male mold cores a1 to be closed, and the injection molding machine performs a first color material injection operation to the mold cavity.
3) Referring to fig. 1, 2, 11 and 12, when the injection molding machine finishes the first color injection, the male mold i 1a is separated from the female mold 1b under the driving of the mold closing device. Because the surfaces of the two inclined sliding surfaces 4a of the inclined guide bar 4 are smooth and are matched with the angles of the inclined guide surfaces 3a of the slide block 3, the slide block is not pulled away from the first color finished product by the inclined guide bar 4, and the two core inserts a1 are in a closed state.
4) Referring to the male mold I1 a and the male mold II 2a shown in FIG. 1, driven by a mold closing device, the male mold I1 a corresponds to the female mold II 2b, and the male mold II 2a corresponds to the female mold I1 b.
5) Referring to fig. 9 and fig. 13, the male mold i 1a is driven by the mold clamping device to move horizontally toward the female mold ii 2b, the one-way pull guide block 5a and the two-way pull guide block 5b provided on the female mold ii 2b are inserted into the inclined guide cavity 7a and the inclined guide cavity 7b of the male mold i 1a, the pull-clamp strip 6 provided on the one-way pull guide block 5a and the two-way pull guide block 5b is also inserted into the inclined guide groove 3b of the slide block 3 of the male mold i 1, the slide fastener 8 provided in the slide-fastener groove 3c of the slide block 3 abuts against one side surface 8a of the pull-clamp strip 6 under the action of the pressure spring 9. And the injection molding machine performs second color material injection operation on the mold cavity.
6) Fig. 14 and 15 show that when the injection molding machine completes the second color injection, the male mold i 1a is separated from the female mold ii 2b under the driving of the mold closing device, in the separation process, the slide block 3 moves upward or downward under the action of the external tension of the pull-clamping strip 6 arranged on the one-way pull-guide block 5a and the two-way pull-guide block 5b and drives the male mold core a1 to complete the separation and demolding operation, and the finished product after the second color is completed is ejected and demolded by the mold ejection mechanism.
The above is the embodiment of the present invention provides a detailed introduction of a slider pull-out mechanism for a dual-color injection mold, which is based on the idea of the embodiment of the present invention, and has a change part in the specific implementation manner and the application range. In summary, the content of the present specification should not be understood as a limitation of the present invention, and any changes made according to the design concept of the present invention are all within the protection scope of the present invention.
Claims (10)
1. The double-color injection mold sliding block pulling-out mechanism comprises a first color module and a second color module, wherein the first color module comprises a male mold I (1a) and a female mold I (1b), and the second color module comprises a male mold II (2a) and a female mold II (2b), and is characterized in that the pulling-out mechanism comprises a sliding block (3) arranged in the male mold I (1a) and the male mold II (2 a);
the pulling-out mechanism comprises an inclined guide strip (4) arranged on the female die I (1 b);
the pulling-out mechanism comprises a pulling-guiding device arranged on the female die II (2 b);
one end of the sliding block (3) is connected with the male die core (a1), and the other end of the sliding block is provided with an inclined guide surface (3 a).
2. The double-shot injection mold slider pulling-out mechanism according to claim 1, wherein the oblique guide surface (3a) of the slider (3) forms an oblique guide cavity (7a) with the inner wall of the mold frame (11) of the male mold I (1a) or the male mold II (2 a); an inclined guide cavity (7b) is formed between the inclined reverse surfaces (3a) of the two adjacent sliding blocks (3).
3. The double-shot mold slider pulling-out mechanism according to claim 1, wherein the slanted guide bar (4) is symmetrically provided with slanted sliding surfaces (4a) on both sides, and the angle of the slanted sliding surfaces (4a) is consistent with the angle of the slanted guide surfaces (3a) of the slider (3).
4. The sliding block pulling mechanism of the double-color injection mold according to claim 1, wherein the pulling and guiding device comprises a one-way pulling and guiding block (5a), and the one-way pulling and guiding block (5a) is composed of an oblique guiding bar (4) and a pulling and clamping bar (6) arranged on an oblique sliding surface (4a) of the oblique guiding bar (4).
5. The sliding block pulling mechanism of the double-color injection mold according to claim 1, wherein the pulling and guiding device comprises a bidirectional pulling and guiding block (5b), and the bidirectional pulling and guiding block (5b) is composed of an oblique guide bar (4) and a pair of pulling and clamping bars (6) symmetrically arranged on two oblique sliding surfaces (4a) of the oblique guide bar (4).
6. The double-shot mold slider pulling-out mechanism according to claim 1 or 2, characterized in that the slider (3) is provided with an inclined guide groove (3b) on an inclined guide surface (3a), and the cross-sectional shape of the inclined guide groove (3b) matches the cross-sectional shape of the puller bar (6).
7. The double-shot mold slider pulling-out mechanism according to claim 6, wherein the inclined guide surface (3a) is further provided with a slide fastener groove (3c), and the slide fastener groove (3c) is arranged perpendicular to the inclined guide groove (3 b);
a slide fastener (8) is arranged in the slide fastener groove (3c), and the slide fastener (8) can slide in the slide fastener groove (3 c).
8. Two-color injection mold slider pull-out mechanism according to claim 7, characterized in that the cross-sectional shape of the slider groove (3c) matches the cross-sectional shape of the slider (8).
9. A bi-color injection mould slider pull-out mechanism according to claim 7 or 8, characterised in that the inside end face (8a) of the slider (8) abuts against one side of the slide fastener strip (6), the shape of the inside end face (8a) of the slider (8) corresponding to the shape of the side of the slide fastener strip (6).
10. The double-shot mold slider pulling-out mechanism according to claim 7 or 8, characterized in that a round hole (8b) is provided on the outer end face of the slider (8), and a pressure spring (9) is provided in the round hole (8 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950551.2U CN210820577U (en) | 2019-06-21 | 2019-06-21 | Double-shot injection mold slider pull-out mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950551.2U CN210820577U (en) | 2019-06-21 | 2019-06-21 | Double-shot injection mold slider pull-out mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210820577U true CN210820577U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950551.2U Active CN210820577U (en) | 2019-06-21 | 2019-06-21 | Double-shot injection mold slider pull-out mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210820577U (en) |
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- 2019-06-21 CN CN201920950551.2U patent/CN210820577U/en active Active
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