CN109774070B - Injection mold - Google Patents
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- CN109774070B CN109774070B CN201910166955.7A CN201910166955A CN109774070B CN 109774070 B CN109774070 B CN 109774070B CN 201910166955 A CN201910166955 A CN 201910166955A CN 109774070 B CN109774070 B CN 109774070B
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000001746 injection moulding Methods 0.000 claims abstract description 86
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 44
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000007704 transition Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of injection molds, and particularly relates to an injection mold which comprises a movable mold and a fixed mold, wherein the fixed mold is arranged on a fixed template of an injection molding machine, and the movable mold is arranged on a movable template of the injection molding machine and matched with the fixed mold to complete injection molding; according to the invention, the knob is twisted, so that the movable mold core is driven by the slide block through the push plate and the second hinge pin to approach the positioning angle iron, and when the side surface and the upper end surface of the movable mold core are respectively clung to two surfaces of the inner corner of the positioning angle iron, the positioning angle iron realizes accurate positioning butt joint of the movable mold core and the fixed mold core, so that the first injection molding cavity and the second injection molding cavity are completely butted without dislocation; the four fastening bolts are used for fastening and positioning the positioned movable mold core, so that the movable mold core is not displaced in the injection molding process, the transition part of the movable mold core and the fixed mold core on the injection molding product is smoother, the disqualification of the product caused by the dislocation of the movable mold core and the fixed mold core is avoided, and the qualification rate and the quality of the product are improved.
Description
Technical Field
The invention belongs to the technical field of injection molds, and particularly relates to an injection mold.
Background
At present, the traditional injection mold is a tool for producing plastic products, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The injection mold consists of a movable mold and a fixed mold, the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. The fixed die comprises a fixed die seat and a fixed die core, wherein the fixed die core is fixed on the fixed die seat through a fastener; the movable mould comprises a movable mould seat and a movable mould core, and the movable mould core is fixed on the movable mould seat through a fastener. At present, the fixed mold core and the movable mold core cannot be adjusted after being fixed, so that if errors exist in manufacturing of the fixed mold and the movable mold or certain errors exist in installation, an injection molding cavity formed by the fixed mold core and the movable mold core has a precision problem, the precision of an injection molded workpiece is low, and the manufacturing quality is influenced.
The invention designs an injection mold to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses an injection mold which is realized by adopting the following technical scheme.
In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when using, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
An injection mold, its characterized in that: the injection molding machine comprises a movable mold and a fixed mold, wherein the fixed mold is arranged on a fixed template of the injection molding machine, and the movable mold is arranged on a movable template of the injection molding machine and matched with the fixed mold to complete injection molding.
The movable die comprises a movable die holder, a movable die core, a fastening bolt, a second hinge pin, a push plate, a first hinge pin, a slide block, an adjusting screw and a knob, wherein a second positioning groove is formed in one front side surface of the movable die holder; the upper end surface and the lower end surface of the movable die holder are respectively provided with two second threaded holes which are vertically communicated with the second positioning grooves, and the second threaded holes on the upper end surface and the lower end surface are mutually symmetrical; the lower end of the side surface of the movable die holder is provided with a first threaded hole, and the first threaded hole is transversely communicated with the sliding groove.
The movable mould core with a second injection molding cavity on the front side surface is arranged in a second positioning groove; the sliding block is slidably arranged in the sliding groove through the sliding fit of the guide blocks arranged on the upper end surface and the lower end surface of the sliding block and the limiting guide groove; an adjusting screw with a knob fixedly mounted at one end is screwed into the first threaded hole to be sleeved with the end face of the sliding block, and the sliding block and the adjusting screw move synchronously in the axial direction; the push plate is positioned in the movable groove, one end of the push plate is connected with the sliding block through a first hinge pin, and the other end of the push plate is connected with the rear side surface of the movable die core through a second hinge pin.
The fixed die comprises a fixed die seat, a fixed die core and a positioning angle iron, wherein a first positioning groove is formed in the front side surface of the fixed die seat, and a first injection molding hole which is transversely communicated with the first positioning groove is formed in the rear side surface of the fixed die seat; a first injection molding cavity is formed in the front side surface of the fixed mold core; the fixed die core is embedded and fixedly arranged in the first positioning groove, and a second injection molding hole which is positioned on the rear side surface of the fixed die core and is transversely communicated with the first injection molding cavity is butted with the first injection molding hole; the positioning angle iron is fixedly installed at the notch of the first positioning groove, and two surfaces of the inner corner of the positioning angle iron are coplanar with the top surface and the side surface of the fixed mold core respectively.
Two inner corner faces of the positioning angle iron are respectively matched with the top face and the side face of the movable mould core, the fixed mould core is matched with the movable mould core, and the first injection molding cavity is matched with the second injection molding cavity.
As a further improvement of the technology, the connecting point of the push plate and the rear side surface of the movable mold core is located at the center of the rear side surface of the movable mold core, so that the movable mold core cannot rotate around the central axis of the second hinge pin in the process of moving along with the push plate, and the situation that four corners of the movable mold core abut against the inner wall of the second positioning groove on the movable mold base due to the swing of the movable mold core around the central axis of the second hinge pin is avoided, and the installation and debugging of the mold cannot be completed.
As a further improvement of the present technology, the cross-sectional area of the second positioning groove is larger than the cross-sectional area of the movable mold core, so that a gap with a certain width exists between the movable mold core and the second positioning groove, and the positioning angle iron can conveniently enter the gap between the inner wall of the second positioning groove and the movable mold core, thereby facilitating the installation and debugging of the mold.
As a further improvement of the technology, the rear side surface of the movable mold core is always tightly attached to the side wall, opposite to the notch, in the second positioning groove, so that seamless butt joint of the movable mold core and the fixed mold core is guaranteed, and a complete molding space is formed by the first injection molding cavity and the second injection molding cavity.
As a further improvement of the technology, the adjusting screw is coated with lubricating oil.
As a further improvement of this technique, the fastening bolt is coated with a suitable amount of lubricating oil.
As a further improvement of the technology, the maximum gap width between the movable mold core and the movable mold base is larger than the thickness of the positioning angle iron, the positioning angle iron can easily enter the gap between the movable mold core and the second positioning groove, and the positioning angle iron entering the gap can better realize the installation, positioning and debugging of the mold.
As a further improvement of the technology, the movable die further comprises a rotary round block, the rotary round block is fixedly installed at one end of the adjusting screw and is in rotary fit with the stepped round groove in the side face of the sliding block, the outer diameter of the rotary round block is larger than that of the adjusting screw, and the maximum inner diameter of the stepped round groove is equal to that of the rotary round block. The structure is characterized in that the rotation of the adjusting screw does not interfere with the sliding block, and meanwhile, the rotating adjusting screw can drive the sliding block to reciprocate along the sliding groove.
The movable mould core of the invention is arranged at one end of the push plate, and has the advantages that: when the push plate swings, the swing amplitude of the movable die core along with the push plate reaches the maximum, so that the movable die core is attached to the inner side surface of the positioning angle iron in the shortest time, and the purpose of quickly adjusting the die is achieved.
The shape matching injection molding of the first injection molding cavity and the second injection molding cavity in the invention is only a bowl-shaped schematic structure, and the specific injection molding shape is made by the shape of a mold required to be produced.
The guide block and the limiting guide groove have the matching effect of preventing the sliding block from being separated from the sliding groove.
When the grinding tool in the prior art is used for falling off after injection molding, the falling off can be realized by using a push rod on the rear side of a movable mold, the falling off can also be realized by using the principle, and other technologies in the prior art can also be used, so that the injection molded article can fall off conveniently.
Compared with the traditional injection mold, the injection mold has the advantages that the movable mold core is driven to approach the positioning angle iron by the sliding block through the push plate and the second hinge pin by twisting the knob, and when the side surface and the upper end surface of the movable mold core are respectively clung to two surfaces of the inner corner of the positioning angle iron, the positioning angle iron realizes accurate positioning butt joint of the movable mold core and the fixed mold core, so that the first injection molding cavity and the second injection molding cavity are completely butted without dislocation; the four fastening bolts are used for fastening and positioning the positioned movable mold core, so that the movable mold core is not displaced in the injection molding process, the transition part of the movable mold core and the fixed mold core on an injection molding product is smoother, the disqualification of the product caused by the dislocation of the movable mold core and the fixed mold core is avoided, and the qualification rate and the quality of the product are improved; the invention has simple structure, easy operation and better use effect.
Drawings
Fig. 1 is a schematic perspective view of an injection mold as a whole.
Fig. 2 is an overall sectional view of the injection mold.
FIG. 3 is a schematic cross-sectional view of the movable mold and the fixed mold.
FIG. 4 is a schematic illustration of a stationary mold.
FIG. 5 is a schematic view of the stationary mold base.
FIG. 6 is a schematic view of the moving mold.
FIG. 7 is a perspective view of the movable mold seat, the second hinge pin, the push plate, the slide block, and the adjustment screw machine torsion wheel.
FIG. 8 is a perspective view of the movable mold seat, the fastening bolt, the push plate, the first hinge pin and the slider.
FIG. 9 is a schematic perspective view of a movable die holder.
FIG. 10 is a schematic sectional view of the movable die holder.
FIG. 11 is a schematic cross-sectional view of the guide block, the slide block and the movable mold base.
FIG. 12 is a schematic cross-sectional view of the adjustment screw and the slider.
Number designation in the figures: 1. fixing a mold; 2. moving the mold; 3. fixing a die holder; 4. a first positioning groove; 5. a first injection molding hole; 6. fixing a mold core; 7. a first injection molding cavity; 8. a second injection molding hole; 9. positioning angle iron; 10. a movable die holder; 11. a second positioning groove; 12. a movable groove; 13. a chute; 14. a limiting guide groove; 15. a first threaded hole; 16. a second threaded hole; 17. a movable mould core; 18. a second injection molding cavity; 19. fastening a bolt; 20. a second hinge pin; 21. pushing the plate; 22. a first hinge pin; 23. a slider; 24. adjusting the screw rod; 25. a knob; 26. a guide block; 27. rotating the round block; 28. a step circular groove.
Detailed Description
The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.
As shown in fig. 1 and 2, the injection molding machine comprises a movable mold 2 and a fixed mold 1, wherein the fixed mold 1 is arranged on a fixed mold 1 plate of the injection molding machine, and the movable mold 2 is arranged on a movable mold 2 plate of the injection molding machine and is matched with the fixed mold 1 to complete injection molding.
As shown in fig. 3 and 4, the movable mold 2 includes a movable mold base 10, a movable mold core 17, a fastening bolt 19, a second hinge pin 20, a push plate 21, a first hinge pin 22, a slider 23, an adjusting screw 24, and a knob 25, wherein as shown in fig. 9, a second positioning groove 11 is formed on a front side surface of the movable mold base 10; as shown in fig. 10, a movable groove 12 is formed in a side wall of the second positioning groove 11 opposite to the notch of the second positioning groove 11, a transverse sliding groove 13 is formed in a side wall of the movable groove 12 opposite to the notch, and a top surface and a bottom surface of the sliding groove 13 are respectively provided with a limiting guide groove 14; as shown in fig. 9, two second threaded holes 16 vertically communicated with the second positioning groove 11 are respectively formed in the upper end surface and the lower end surface of the movable mold base 10, and the second threaded holes 16 on the upper end surface and the lower end surface are symmetrical to each other; the lower end of the side surface of the movable die holder 10 is provided with a first threaded hole 15, and the first threaded hole 15 is transversely communicated with the sliding chute 13.
As shown in fig. 3 and 6, the movable mold core 17 with the second injection molding cavity 18 on the front side surface is installed in the second positioning groove 11; as shown in fig. 7, 8 and 11, the sliding block 23 is slidably mounted in the sliding groove 13 through the sliding fit between the guide blocks 26 mounted on the upper and lower end surfaces thereof and the limiting guide groove 14; as shown in fig. 7 and 8, an adjusting screw 24 with a knob 25 fixedly mounted at one end is screwed into the first threaded hole 15 and is sleeved with the end surface of the sliding block 23, and the sliding block 23 and the adjusting screw 24 move synchronously in the axial direction; as shown in fig. 2, 8 and 11, the push plate 21 is located in the movable groove 12, and one end of the push plate is connected to the slide block 23 through the first hinge pin 22, and the other end of the push plate is connected to the rear side surface of the movable die core 17 through the second hinge pin 20.
As shown in fig. 3 and 4, the fixed mold 1 comprises a fixed mold base 3, a fixed mold core 6 and a positioning angle iron 9, wherein as shown in fig. 5, a first positioning groove 4 is formed on the front side surface of the fixed mold base 3, and a first injection molding hole 5 transversely communicated with the first positioning groove 4 is formed on the rear side surface of the fixed mold base 3; as shown in fig. 2 and 6, a first injection molding cavity 7 is formed on the front side surface of the fixed mold core 6; a fixed die core 6 is embedded and fixedly arranged in the first positioning groove 4, and a second injection molding hole 8 which is positioned on the rear side surface of the fixed die core 6 and is transversely communicated with the first injection molding cavity 7 is butted with the first injection molding hole 5; the positioning angle iron 9 is fixedly installed at the notch of the first positioning groove 4, and two surfaces of the inner corner of the positioning angle iron 9 are coplanar with the top surface and the side surface of the fixed mold core 6 respectively.
As shown in fig. 2 and 3, the two inner corner surfaces of the positioning angle iron 9 are respectively matched with the top surface and the side surface of the movable mold core 17, the fixed mold core 6 is matched with the movable mold core 17, and the first injection molding cavity 7 is matched with the second injection molding cavity 18.
As shown in fig. 3, the connection point between the push plate 21 and the rear side of the movable mold core 17 is located at the center of the rear side of the movable mold core 17, so that the movable mold core 17 does not rotate around the central axis of the second hinge pin 20 during the movement process along with the push plate 21, and the situation that the four corners of the movable mold core 17 abut against the inner wall of the second positioning groove 11 on the movable mold base 10 due to the swing of the movable mold core 17 around the central axis of the second hinge pin 20, and the installation and debugging of the mold cannot be completed is avoided.
As shown in fig. 1 and 3, the cross-sectional area of the second positioning groove 11 is larger than the cross-sectional area of the movable mold core 17, so that a gap with a certain width exists between the movable mold core 17 and the second positioning groove 11, and the positioning angle iron 9 can conveniently enter the gap between the inner wall of the second positioning groove 11 and the movable mold core 17, thereby facilitating the installation and debugging of the mold.
As shown in fig. 3, the rear side surface of the movable mold core 17 is always tightly attached to the side wall of the second positioning groove 11 opposite to the notch, so as to ensure seamless butt joint between the movable mold core 17 and the fixed mold core 6 and ensure that the first injection molding cavity 7 and the second injection molding cavity 18 form a complete molding space.
As shown in fig. 7 and 12, the adjusting screw 24 is coated with a lubricant.
As shown in fig. 9, an appropriate amount of lubricating oil is applied to the fastening bolt 19.
As shown in fig. 3, the maximum gap width between the moving mold core 17 and the moving mold base 10 is greater than the thickness of the positioning angle iron 9, so that the positioning angle iron 9 can more easily enter the gap between the moving mold core 17 and the second positioning groove 11, and the positioning angle iron 9 entering the gap can better realize the installation, positioning and debugging of the mold.
As shown in fig. 12, the movable mold 2 further comprises a rotary round block 27, the rotary round block 27 is fixedly installed at one end of the adjusting screw 24 and is rotatably engaged with a stepped round groove 28 on the side surface of the slide block 23, the outer diameter of the rotary round block 27 is larger than that of the adjusting screw 24, and the maximum inner diameter of the stepped round groove 28 is equal to that of the rotary round block 27. The structural characteristics enable the rotation of the adjusting screw 24 not to interfere with the sliding block 23, and meanwhile, the rotating adjusting screw 24 can drive the sliding block 23 to reciprocate along the sliding chute 13.
The movable die core 17 of the invention is arranged at one end of the push plate 21 and has the advantages that: when the push plate 21 swings, the swing amplitude of the movable die core 17 along with the push plate 21 reaches the maximum, so that the movable die core 17 is attached to the inner side surface of the positioning angle iron 9 in the shortest time, and the purpose of quickly adjusting the die is achieved.
The shape matching injection molding of the first injection molding cavity 7 and the second injection molding cavity 18 in the invention is only a bowl-shaped schematic structure, and the specific injection molding shape is made by the shape of a mold required to be produced.
The guide block 26 and the limiting guide groove 14 in the invention have the matching function of preventing the sliding block 23 from being separated from the sliding groove 13.
The working process of the invention is as follows: before a product is produced, firstly, a movable die 2 arranged on a movable die 2 plate of an existing injection molding machine is controlled to approach a fixed die 1 arranged on a fixed die 1 plate of the existing injection molding machine, so that positioning angle irons 9 arranged on notches of first positioning grooves 4 of a fixed die base 3 enter a gap between a movable die base 10 and a movable die core 17, and the second injection molding cavity 18 is ensured not to interfere with the adjusting movement of the movable die core 17; at the moment, the knob 25 positioned at the outer side of the movable die holder 10 is twisted, the knob 25 drives the adjusting screw 24 fixedly connected with the knob to rotate and move towards the sliding groove 13, the adjusting screw 24 pushes the sliding block 23 to move inwards along the sliding groove 13, and the sliding block 23 drives the movable die core 17 to horizontally move towards the direction of the positioning angle iron 9 along the bottom surface of the second positioning groove 11 through the push plate 21 hinged with the sliding block; when the side surface of the corner, which is matched with the positioning angle iron 9, on the movable die core 17 is contacted with and tightly attached to the side surface of the inner corner of the positioning angle iron 9, the knob 25 is continuously twisted, so that the knob 25 drives the sliding block 23 to continuously slide inwards along the limiting guide groove 14 through the adjusting screw rod 24, and the sliding block 23 drives the movable die core 17 to continuously move through the first hinge pin 22, the push plate 21 and the second hinge pin 20; continuously twisting the knob 25, wherein the knob 25 pushes the sliding block 23 to continuously slide along the sliding groove 13 through the adjusting screw 24, and the sliding block 23 drives the movable die core 17 to move through the push plate 21 hinged with the sliding block; when the side surface of the movable die core 17 meets and clings to the vertical surface of the positioning angle iron 9, the corner vertical surface of the positioning angle iron 9 forms a block to the movement of the movable die core 17 in the horizontal direction, so that the movable die core 17 continues to move to the corner top surface of the positioning angle iron 9 along the side surface of the corner of the positioning angle iron 9; the push plate 21 swings upwards around the central axis of the first hinge pin 22 to match the upward movement of the movable die core 17; when the movable die core 17 moves upwards along the side surface of the inner corner of the positioning angle iron 9 and is contacted and clung to the top surface of the inner corner of the positioning angle iron 9, the corresponding corner of the movable die core 17 is completely clung to the inner corner of the positioning angle iron 9, and at the moment, the second injection molding cavity 18 in the movable die core 17 is completely butted with the first injection molding cavity 7 in the fixed die core 6; then, the four fastening bolts 19 on the upper end surface and the lower end surface of the fixed die holder 3 are rotated to fix the relative position between the movable die core 17 and the movable die holder 10, so that the movable die core 17 is prevented from slightly deviating from the movable die holder 10 after the movable die core 17 is separated from the positioning angle iron 9, and the precision of the movable die core 17 after debugging can be ensured; the relative position adjustment of the movable mold core 17 and the fixed mold core 6 is finished.
When the mold of the invention needs to be disassembled and installed on other injection molding machines, the movable mold 2 installed on the movable mold 2 plate of the existing injection molding machine is controlled to be separated from the fixed mold 1 installed on the fixed mold 1 plate of the existing injection molding machine, then the four fastening bolts 19 are twisted to return to the initial position and the limit on the movable mold core 17 is removed; and then, reversely rotating the knob 25, so that the knob 25 sequentially passes through the adjusting screw 24 and the rotating round block 27 to drive the slide block 23 to move to the initial position along the guide groove, and the slide block 23 drives the movable mold core 17 to return to the initial position through the first hinge pin 22, the push plate 21 and the second hinge pin 20, so as to prepare for the next installation and adjustment of the movable mold core 17.
After the injection mold is installed and debugged, the injection molding machine injects liquid injection molding raw materials into a closed space formed by a first injection molding cavity 7 and a second injection molding cavity 18 through a first injection molding hole 5 and a second injection molding hole 8; the whole injection molding process adopts the prior art.
In conclusion, the invention has the beneficial effects that: according to the invention, the sliding block 23 sleeved with the adjusting screw 24 drives the movable mold core 17 to approach the positioning angle iron 9 through the push plate 21 and the second hinge pin 20 by twisting the knob 25, and when the side surface and the upper end surface of the movable mold core 17 are respectively clung to two surfaces of the inner corner of the positioning angle iron 9, the positioning angle iron 9 realizes accurate positioning butt joint of the movable mold core 17 and the fixed mold core 6, so that the first injection molding cavity 7 and the second injection molding cavity 18 are completely butted without dislocation; the four fastening bolts 19 are used for fastening and positioning the positioned movable mold core 17, so that the movable mold core 17 is not displaced in the injection molding process, the transition part of the movable mold core 17 and the fixed mold core 6 on the injection molded product is smoother, the disqualification rate and the quality of the product caused by the dislocation of the movable mold core 17 and the fixed mold core 6 are avoided, and the qualification rate and the quality of the product are improved.
Claims (8)
1. An injection mold, its characterized in that: the injection molding machine comprises a movable mold and a fixed mold, wherein the fixed mold is arranged on a fixed template of the injection molding machine, and the movable mold is arranged on a movable template of the injection molding machine and matched with the fixed mold to complete injection molding;
the movable die comprises a movable die holder, a movable die core, a fastening bolt, a second hinge pin, a push plate, a first hinge pin, a slide block, an adjusting screw and a knob, wherein a second positioning groove is formed in one front side surface of the movable die holder; the upper end surface and the lower end surface of the movable die holder are respectively provided with two second threaded holes which are vertically communicated with the second positioning grooves, and the second threaded holes on the upper end surface and the lower end surface are mutually symmetrical; the lower end of the side surface of the movable die holder is provided with a first threaded hole which is transversely communicated with the sliding groove;
the movable mould core with a second injection molding cavity on the front side surface is arranged in a second positioning groove; the sliding block is slidably arranged in the sliding groove through the sliding fit of the guide blocks arranged on the upper end surface and the lower end surface of the sliding block and the limiting guide groove; an adjusting screw with a knob fixedly mounted at one end is screwed into the first threaded hole to be sleeved with the end face of the sliding block, and the sliding block and the adjusting screw move synchronously in the axial direction; the push plate is positioned in the movable groove, one end of the push plate is connected with the sliding block through a first hinge pin, and the other end of the push plate is connected with the rear side surface of the movable mold core through a second hinge pin;
the fixed die comprises a fixed die seat, a fixed die core and a positioning angle iron, wherein a first positioning groove is formed in the front side surface of the fixed die seat, and a first injection molding hole which is transversely communicated with the first positioning groove is formed in the rear side surface of the fixed die seat; a first injection molding cavity is formed in the front side surface of the fixed mold core; the fixed die core is embedded and fixedly arranged in the first positioning groove, and a second injection molding hole which is positioned on the rear side surface of the fixed die core and is transversely communicated with the first injection molding cavity is butted with the first injection molding hole; the positioning angle iron is fixedly arranged at the notch of the first positioning groove, and two surfaces of the inner corner of the positioning angle iron are respectively coplanar with the top surface and the side surface of the fixed mold core;
two inner corner surfaces of the positioning angle iron are respectively matched with the top surface and the side surface of the movable mould core, the fixed mould core is matched with the movable mould core, and the first injection molding cavity is matched with the second injection molding cavity;
the connecting point of the push plate and the rear side surface of the movable mould core is positioned at the center of the rear side surface of the movable mould core.
2. An injection mold according to claim 1, wherein: the cross section area of the second positioning groove is larger than that of the movable mould core.
3. An injection mold according to claim 1, wherein: the back side of the movable mould core is always tightly attached to the side wall of the second positioning groove opposite to the notch.
4. An injection mold according to claim 1, wherein: lubricating oil is smeared on the adjusting screw rod.
5. An injection mold according to claim 1, wherein: and proper amount of lubricating oil is smeared on the fastening bolt.
6. An injection mold according to claim 1, wherein: the maximum gap width between the movable mould core and the movable mould base is larger than the thickness of the positioning angle iron.
7. An injection mold according to claim 1, wherein: the movable die further comprises a rotary round block, and the rotary round block is fixedly installed at one end of the adjusting screw and is in rotary fit with the stepped round groove in the side face of the sliding block.
8. An injection mold according to claim 7, wherein: the outer diameter of the rotary round block is larger than the outer diameter of the adjusting screw rod, and the maximum inner diameter of the stepped circular groove is equal to the outer diameter of the rotary round block.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166955.7A CN109774070B (en) | 2019-03-06 | 2019-03-06 | Injection mold |
| CN202110253797.6A CN112936756A (en) | 2019-03-06 | 2019-03-06 | Injection molding mold device |
| CN202110253798.0A CN112936757A (en) | 2019-03-06 | 2019-03-06 | Mold equipment for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166955.7A CN109774070B (en) | 2019-03-06 | 2019-03-06 | Injection mold |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253797.6A Division CN112936756A (en) | 2019-03-06 | 2019-03-06 | Injection molding mold device |
| CN202110253798.0A Division CN112936757A (en) | 2019-03-06 | 2019-03-06 | Mold equipment for injection molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774070A CN109774070A (en) | 2019-05-21 |
| CN109774070B true CN109774070B (en) | 2021-04-30 |
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ID=66486739
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253797.6A Withdrawn CN112936756A (en) | 2019-03-06 | 2019-03-06 | Injection molding mold device |
| CN201910166955.7A Active CN109774070B (en) | 2019-03-06 | 2019-03-06 | Injection mold |
| CN202110253798.0A Withdrawn CN112936757A (en) | 2019-03-06 | 2019-03-06 | Mold equipment for injection molding |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253797.6A Withdrawn CN112936756A (en) | 2019-03-06 | 2019-03-06 | Injection molding mold device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253798.0A Withdrawn CN112936757A (en) | 2019-03-06 | 2019-03-06 | Mold equipment for injection molding |
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| CN (3) | CN112936756A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109702966A (en) * | 2019-03-08 | 2019-05-03 | 徐嘉辉 | A kind of injection mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3138119B2 (en) * | 1993-05-26 | 2001-02-26 | 株式会社名機製作所 | Mold mounting mechanism of injection molding machine |
| KR20170081412A (en) * | 2016-01-04 | 2017-07-12 | 주식회사 삼우금형 | Injection molding apparatus |
| CN109382976A (en) * | 2018-11-07 | 2019-02-26 | 盐城新岩汽车配件有限公司 | A kind of multi-functional injection molding machine easily adjusted |
| US10710287B2 (en) * | 2014-10-17 | 2020-07-14 | Taiwan Green Point Enterprises Co., Ltd. | Injection molding method and mold mechanism |
-
2019
- 2019-03-06 CN CN202110253797.6A patent/CN112936756A/en not_active Withdrawn
- 2019-03-06 CN CN201910166955.7A patent/CN109774070B/en active Active
- 2019-03-06 CN CN202110253798.0A patent/CN112936757A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3138119B2 (en) * | 1993-05-26 | 2001-02-26 | 株式会社名機製作所 | Mold mounting mechanism of injection molding machine |
| US10710287B2 (en) * | 2014-10-17 | 2020-07-14 | Taiwan Green Point Enterprises Co., Ltd. | Injection molding method and mold mechanism |
| KR20170081412A (en) * | 2016-01-04 | 2017-07-12 | 주식회사 삼우금형 | Injection molding apparatus |
| CN109382976A (en) * | 2018-11-07 | 2019-02-26 | 盐城新岩汽车配件有限公司 | A kind of multi-functional injection molding machine easily adjusted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109774070A (en) | 2019-05-21 |
| CN112936756A (en) | 2021-06-11 |
| CN112936757A (en) | 2021-06-11 |
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Effective date of registration: 20210409 Address after: 251700 Hefang sub district office Hefang village, Huimin County, Binzhou City, Shandong Province Applicant after: Huimin Senna Plastics Co.,Ltd. Address before: 325011 Zhejiang, Wenzhou, Longwan District Pu Zhou street, Jiangqian village, former State Building 1 buildings 107 rooms. Applicant before: Lin Quanhao |
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Application publication date: 20190521 Assignee: Huimin Zhenpeng Plastic Industry Co.,Ltd. Assignor: Huimin Senna Plastics Co.,Ltd. Contract record no.: X2021980008798 Denomination of invention: An injection mold Granted publication date: 20210430 License type: Common License Record date: 20210902 |
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Denomination of invention: An injection mold Effective date of registration: 20231129 Granted publication date: 20210430 Pledgee: Shandong Huimin Rural Commercial Bank Co.,Ltd. Pledgor: Huimin Senna Plastics Co.,Ltd. Registration number: Y2023980068499 |