CN215849413U - Injection mold - Google Patents
Injection mold Download PDFInfo
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- CN215849413U CN215849413U CN202121552531.3U CN202121552531U CN215849413U CN 215849413 U CN215849413 U CN 215849413U CN 202121552531 U CN202121552531 U CN 202121552531U CN 215849413 U CN215849413 U CN 215849413U
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Abstract
The utility model provides an injection mold which comprises a first module, a second module and two slide mechanisms, wherein the first module comprises a top plate, a front mold frame and a front mold insert; the second module comprises a rear mould base, a mould core plate, a rear mould plate and a first core pulling mechanism, wherein the first core pulling mechanism comprises a driving device, a first slide block, an oblique block, a first insert, a second insert and a third insert, the driving device drives the first slide block to move along a first direction, the oblique block is slidably connected with the first slide block, the oblique block is slidably inserted into the third insert, the first insert and the second insert are respectively slidably connected with the oblique block, and the first insert and the second insert respectively protrude out of two sides of the third insert; the slide mechanism comprises a slide part and an inclined guide rod, the inclined guide rod drives the slide part to slide along the second direction, and a cavity is formed among the front mold insert, the mold core plate and the two slide parts. The utility model can mold and demold the multi-directional inverted buckle.
Description
Technical Field
The utility model relates to the field of molds, in particular to an injection mold.
Background
The structure of the suction nozzle of the dust collector is generally complex, a plurality of reverse buckles are arranged in the suction nozzle, and the directions and angles of the reverse buckles are different, so that the requirement on the design of an injection mold is very high. Because the same slide mechanism of current injection mold can only realize shaping and the drawing of patterns to the back-off of single direction, lead to having the back-off of two above equidirectional not as the product, only can carry out shaping and drawing of patterns to each back-off of product through the mode that sets up slide mechanism more than two, and set up slide mechanism more than two and can increase injection mold's volume, can increase injection mold's the design degree of difficulty by a wide margin again. In addition, when the distance between the back-off in more than two different directions on the product is too small, the internal space of the injection mold can not allow more than two slide mechanisms to be arranged side by side, so that the product can not be molded at one time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an injection mold which can mold and demold multi-directionally and different-angle back-off parts.
In order to achieve the purpose, the injection mold provided by the utility model comprises a first module, a second module and two slide mechanisms, wherein the first module comprises a top plate, a front mold frame, a front mold insert and a sprue bush, the front mold insert penetrates through the top plate and is arranged in the front mold frame, the front mold insert extends along a mold opening and closing direction, and the top plate drives the front mold insert to move relative to the front mold frame along the mold opening and closing direction; the second module comprises a rear mould base, a mould core plate, a rear mould plate and a first core pulling mechanism, the mould core plate is arranged on the rear mould base, the rear mould plate is arranged on one side of the rear mould base, which is back to the mould core plate, the first core pulling mechanism is arranged on the rear mould plate, the first core pulling mechanism sequentially passes through the rear mould base and the mould core plate and extends towards the front mould insert, the first core pulling mechanism comprises a driving device, a first slide block, a diagonal block, a first insert, a second insert and a third insert, the driving device drives the first slide block to move along the first direction, the diagonal block obliquely extends along the mould opening and closing direction, the first end of the diagonal block is slidably connected with the first slide block, the second end of the diagonal block is slidably inserted into the third insert, the first insert and the second insert are respectively slidably connected with the second end of the diagonal block, the first insert protrudes out of the first side of the third insert, and the second protrudes out of the second side of the third insert, the inclined block respectively drives the first insert and the second insert to move relative to the third insert in a telescopic way; the moving mechanism comprises moving parts and an inclined guide rod, the moving parts are slidably connected with the front die frame, the two moving parts are respectively arranged on two sides of the front die insert, the inclined guide rod is slidably connected with the moving parts, the inclined guide rod drives the moving parts to slide along the second direction, a die cavity is formed among the front die insert, the die core plate and the two moving parts, the first insert, the second insert and the third insert extend into the die cavity, and the sprue bush is communicated with the die cavity.
According to the scheme, the front mold insert is arranged and used for extending into the cavity from the front mold, so that the front end of the suction nozzle of the dust collector can be conveniently molded and demoulded; the first core-pulling mechanism is arranged and used for extending into the cavity from the rear die, so that the rear end of the suction nozzle of the dust collector can be conveniently molded and demolded, wherein the first core-pulling mechanism comprises a first insert, a second insert and a third insert, the first insert can telescopically move on the first side of the third insert, the second insert can telescopically move on the second side of the third insert, and the first core-pulling mechanism is used for molding and demolishing the back-off of the suction nozzle of the dust collector in two different directions and at different angles; the utility model can realize the molding and demolding of the product in multiple directions by arranging the first core pulling mechanism and the two slide mechanisms, and has the advantages of simple structure, compact volume and good injection molding quality.
The second end of the inclined block is provided with a first sliding part, the extending direction of the first sliding part is intersected with the extending direction of the inclined block, the first insert is provided with a second sliding part, the second sliding part is in concave-convex fit with the first sliding part, and the first insert can slide relative to the inclined block along the extending direction of the first sliding part.
The inclined block is provided with a first mounting hole and two first guide holes, the two first guide holes are respectively formed in two sides of the width direction of the first mounting hole, the first guide holes are communicated with the first mounting hole, and the first guide holes extend along the extension direction of the inclined block; the third insert is provided with a second mounting hole and two second guide holes, the second mounting hole is communicated with the first mounting hole, and the second guide holes are communicated with the first guide holes in a one-to-one correspondence manner; the middle part of the second insert is slidably arranged in the first mounting hole, the end part of the second insert protrudes out of the first mounting hole and the second mounting hole, sliding pins are connected to two sides of the second insert, the sliding pins penetrate through the first guide holes and are inserted into the second guide holes, the sliding pins can slide along the extending direction of the first guide holes relative to the inclined blocks, and the sliding pins drive the second insert to move along the length direction of the first mounting holes.
The first core pulling mechanism further comprises a second sliding block and a third sliding block, the second sliding block is connected with the first sliding block in a sliding mode, the second sliding block is fixedly arranged on the rear template, the third sliding block is connected with the second sliding block in a sliding mode, the third sliding block is connected with the rear mould frame in a sliding mode, the rear mould frame drives the third sliding block to move relative to the second sliding block, the moving direction of the third sliding block is perpendicular to the extending direction of the diagonal block, the third insert is fixedly arranged on the third sliding block, and the diagonal block penetrates through the second sliding block and the third sliding block and is inserted into the third insert.
The further scheme is that a bulge is arranged on one side, facing the front mold insert, of the mold core plate, and the first core pulling mechanism is located on the first side of the bulge; the injection mold further comprises a second core-pulling mechanism, the second core-pulling mechanism comprises a rear mold sliding block and a rear mold insert, the rear mold sliding block is fixedly arranged on the rear mold plate, the rear mold sliding block penetrates through the rear mold frame to stretch into the second side of the bulge, the rear mold insert is arranged in the bulge, the rear mold insert is slidably connected with the rear mold sliding block, the surface of the bulge of the rear mold insert stretches into the cavity, the rear mold plate drives the rear mold sliding block to move along the mold opening and closing direction, and the rear mold sliding block drives the rear mold insert to move telescopically relative to the third mold insert.
Drawings
FIG. 1 is a cross-sectional view from a first perspective of an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a cross-sectional view from a second perspective of an embodiment of the present invention.
FIG. 4 is a top view of key components in an embodiment of the present invention.
Fig. 5 is a sectional view at B-B in fig. 4.
Fig. 6 is an enlarged view at C in fig. 5.
FIG. 7 is an exploded view of the mold core plate, the slide and the first core pulling mechanism according to the embodiment of the present invention.
Fig. 8 is an exploded view of a first core pulling mechanism in an embodiment of the present invention.
Fig. 9 is an enlarged view at D in fig. 8.
Fig. 10 is an exploded view of a second core pulling mechanism in an embodiment of the present invention.
The utility model is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1 to 3, the injection mold provided in this embodiment is used for injection molding of the vacuum cleaner nozzle 30, and the injection molding is performed in a one-mold two-cavity manner. The injection mold comprises a first module, a second module and four slide mechanisms 10, wherein every two slide mechanisms 10 are positioned at two sides of a mold cavity.
The first module comprises a top plate 1, a front mould frame 2, a sprue bush 3 and two front mould inserts 4, wherein the sprue bush 3 is positioned between the two front mould inserts 4. The front mold insert 4 penetrates through the top plate 1 and is arranged in the front mold base 2, the front mold insert 4 extends along the mold opening and closing direction, and the top plate 1 drives the front mold insert 4 to move relative to the front mold base 2 along the mold opening and closing direction. When the top plate 1 moves away from the front mold frame 2, the top plate 1 drives the front mold insert 4 to be separated from the front mold frame 2, so that the front end of the suction nozzle 30 of the dust collector can be conveniently demoulded.
The second module comprises a rear mould frame 5, a rear mould plate 6, two mould core plates 7, two first core-pulling mechanisms 8 and two second core-pulling mechanisms 9, wherein the two mould core plates 7 are arranged on the rear mould frame 5 along the vertical mould opening and closing direction, the rear mould plate 6 is arranged on one side of the rear mould frame 5 back to the mould core plates 7, and each mould cavity is provided with a mould core plate 7, a first core-pulling mechanism 8 and a second core-pulling mechanism 9. The first core-pulling mechanism 8 and the second core-pulling mechanism 9 are both arranged on the rear template 6, and the first core-pulling mechanism 8 sequentially penetrates through the rear template 5 and the die core plate 7 to extend towards the front die insert 4.
In the same mold cavity, there are two slide mechanisms 10. The slide mechanism 10 includes a slide member 103, a slide seat 101, and an inclined guide rod 102, the slide member 103 is disposed on the slide seat 101, the slide seat 101 is slidably connected to the front mold frame 2, the inclined guide rod 102 is slidably connected to the corresponding slide seat 101, and the inclined guide rod 102 drives the slide seat 101 and the slide member 103 to slide along the second direction, that is, the inclined guide rod 102 drives the slide seat 101 and the slide member 103 to move along the vertical mold opening and closing direction. The two slide parts 103 are respectively arranged at two sides of the front mold insert 4, a cavity is formed among the front mold insert 4, the mold core plate 7 and the two slide parts 103, and the sprue bush 3 is communicated with the cavity through a flow passage arranged on the mold core plate 7.
The second module still includes thimble board 20 and a plurality of thimble 201, and thimble 201 sets up on thimble board 20 and extends to the die cavity along the mould direction that opens and shuts, makes things convenient for ejecting product after the mould opening.
Referring to fig. 4 to 10 in combination with fig. 2, a side of the die core plate 7 facing the front die insert 4 is provided with a boss 71, the first core-pulling mechanism 8 is located on a first side of the boss 71, and the second core-pulling mechanism 9 is located on a second side of the boss 71.
The first core-pulling mechanism 8 comprises a drive means 81, a first slide 82, a second slide 83, a third slide 84, a ramp block 85, a first insert 86, a second insert 87 and a third insert 88. The driving device 81 is preferably an oil cylinder, the driving end of the oil cylinder is fixedly connected with the first sliding block 82, and the oil cylinder drives the first sliding block 82 to move along a first direction, namely along a direction vertical to the mold opening and closing direction, in this embodiment, the first direction is vertical to the second direction.
The first slider 82 is provided with a first sliding groove 821, and the first sliding groove 821 extends obliquely in the moving direction of the first slider 82.
The slant block 85 extends obliquely along the mold opening and closing direction, a first end of the slant block 85 is slidably connected in the first sliding groove 821, the extending direction of the slant block 85 is perpendicular to the extending direction of the first sliding groove 821, and the slant block 85 can move relative to the first slider 82 along the extending direction of the first sliding groove 821.
The second slider 83 is fixedly disposed on the rear mold plate 6, the second slider 83 is provided with a receiving groove and a second sliding groove 831, the first slider 82 is slidably disposed in the receiving groove, the second sliding groove 831 is located above the receiving groove, and the extending direction of the second sliding groove 831 is parallel to the extending direction of the first sliding groove 821.
The third slider 84 is slidably connected in the second sliding slot 831, the third slider 84 can move relative to the second slider 83 along the extending direction of the second sliding slot 831, meanwhile, the third slider 84 is slidably connected on the rear mold frame 5, the rear mold frame 5 is provided with an inclined groove 51, and the third slider 84 is arranged in the inclined groove 51. When the rear mold frame 5 and the rear mold plate 6 are separated, the second slider 83 drives the third slider 84 to move along the mold opening and closing direction, and at this time, the third slider 84 can move along the groove wall on one side of the inclined groove 51 relative to the second slider 83, that is, the third slider 84 moves along the extending direction of the second sliding groove 831.
The third insert 88 is fixedly arranged on the third slide block 84, the second end of the ramp block 85 sequentially passes through the second slide block 83 and the third slide block 84 and is inserted into the third insert 88, and the ramp block 85 can move in the third insert 88 relative to the third insert 88 along the extending direction thereof.
The first insert 86 and the second insert 87 are slidably connected to a second end of the ramp block 85, respectively, with the first insert 86 protruding from a first side of the third insert 88 and the second insert 87 protruding from a second side of the third insert 88, and the ramp block 85 driving the first insert 86 and the second insert 87 to move telescopically relative to the third insert 88, respectively. The first insert 86, the second insert 87 and the third insert 88 all extend into the cavity for forming a plurality of undercuts inside the cleaner nozzle 30.
With reference to fig. 8 and 9, the ramp block 85 is provided with an inclined surface extending obliquely from a side wall of the ramp block 85 in an extending direction of the ramp block 85, and a first sliding portion 851 positioned on the inclined surface, the extending direction of the first sliding portion 851 intersecting the extending direction of the ramp block 85. The first insert 86 is provided with a second sliding portion 861, the second sliding portion 861 is in concave-convex fit with the first sliding portion 851, and in this embodiment, the first sliding portion 851 is preferably a dovetail-shaped protrusion, and the second sliding portion 861 is preferably a dovetail-shaped groove. The first insert 86 is slidable relative to the ramp in the direction of extension of the first runner 851 so that the ramp block 85 can drive the first insert 86 to extend or retract the third insert 88 when the ramp block 85 is moved in its own direction of extension.
The third insert 88 is provided with a second mounting hole 881 and two second guiding holes 882, the second mounting hole 881 is communicated with the first mounting hole 852, and the second guiding holes 882 are correspondingly arranged and communicated with the first guiding holes 853.
The middle portion of the second insert 87 is slidably disposed within the first mounting hole 852 and the end portion of the second insert 87 protrudes out of the first mounting hole 852 and the second mounting hole 881 and into the cavity. Sliding pins 871 are connected to both sides of the second insert 87 in the thickness direction, the sliding pins 871 pass through the first guide holes 853 and are inserted into the second guide holes 882, the sliding pins 871 can slide in the first guide holes 853 relative to the ramp block 85 in the extending direction of the first guide holes 853, and the sliding pins 871 can drive the second insert 87 to move in the length direction of the first mounting hole 852, that is, drive the second insert 87 to extend out of or retract into the third insert 88.
Referring to fig. 2 and 10, the second core pulling mechanism 9 includes a rear mold slider 91 and a rear mold insert 92, the rear mold slider 91 is fixed on the rear mold plate 6 and extends along the mold opening and closing direction, the rear mold slider 91 extends into the second side of the protruding portion 71 through the rear mold frame 5, the rear mold insert 92 is located in the protruding portion 71, and the rear mold insert 92 is slidably connected to the rear mold slider 91. Specifically, the rear mold slide 91 is provided with a third sliding portion 911, the third sliding portion 911 extends obliquely along the moving direction of the rear mold slide 91, the rear mold insert 92 is provided with a fourth sliding portion 921, and the third sliding portion 911 and the fourth sliding portion 921 are in concave-convex fit, in this embodiment, the third sliding portion 911 is a dovetail groove, and the fourth sliding portion 921 is a dovetail protrusion. The surface of the convex bulge 71 of the rear mold insert 92 extends into the cavity, when the rear mold plate 6 is separated from the rear mold base 5, the rear mold plate 6 drives the rear mold slide block 91 to move along the mold opening and closing direction, and then drives the rear mold insert 92 to slide along the extending direction of the third sliding portion 911, namely, the rear mold insert 92 extends or retracts relative to the bulge 71 to move, so that the back-off molding and demolding are facilitated.
The mold opening sequence of this embodiment is: firstly, the driving device 81 drives the tilting block 85 to tilt along the extending direction of the driving device through the first sliding block 82, and at the moment, the tilting block 85 drives the first insert 86 to retract into the third insert 88, so that the first insert 86 is separated from the product; then, after the slant block 85 moves until the sliding pin 871 abuts against the wall of the first guide hole 853, the slant block 85 drives the second insert 87 to retract into the third insert 88, so that the second insert 87 is separated from the product; then, the top plate 1 is separated from the front mould frame 2, and the top plate 1 drives the front mould insert 4 to be separated from the product; then, the rear mold frame 5 is separated from the rear mold plate 6, and the second slide block 83 drives the third slide block 84 and the third insert 88 to move obliquely together, so that the third insert 88 is separated from the product; then, the front mold frame 2 is separated from the rear mold frame 5, the front mold frame 2 drives the line position part 103 to move along the direction vertical to the mold opening and closing direction through the inclined guide rod 102, and the line position part 103 is separated from the product; and finally, ejecting a product by using an ejector pin 201 on the rear mold assembly to finish one-time injection molding operation. The mold closing sequence of the present embodiment is opposite to the mold opening sequence, and is not described herein again.
In conclusion, the front mold insert is arranged and used for extending into the cavity from the front mold, so that the front end of the suction nozzle of the dust collector can be conveniently molded and demoulded; the first core-pulling mechanism is arranged and used for extending into the cavity from the rear die, so that the rear end of the suction nozzle of the dust collector can be conveniently molded and demolded, wherein the first core-pulling mechanism comprises a first insert, a second insert and a third insert, the first insert can telescopically move on the first side of the third insert, the second insert can telescopically move on the second side of the third insert, and the first core-pulling mechanism is used for molding and demolishing the back-off of the suction nozzle of the dust collector in two different directions and at different angles; the utility model can realize the molding and demolding of the product in multiple directions by arranging the first core pulling mechanism and the two slide mechanisms, and has the advantages of simple structure, compact volume and good injection molding quality.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, not limitations, and various changes and modifications may be made by those skilled in the art, without departing from the spirit and scope of the utility model, and any changes, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be embraced therein.
Claims (5)
1. An injection mold, comprising:
the first die set comprises a top plate, a front die set, a front die insert and a sprue bush, the front die insert penetrates through the top plate and is arranged in the front die set, the front die insert extends along a die opening and closing direction, and the top plate drives the front die insert to move relative to the front die set along the die opening and closing direction;
the second die set comprises a rear die set, a die core plate, a rear die plate and a first core pulling mechanism, the die core plate is arranged on the rear die set, the rear die plate is arranged on one side of the rear die set, which is back to the die core plate, the first core pulling mechanism is arranged on the rear die plate, the first core pulling mechanism sequentially penetrates through the rear die set and the die core plate and extends towards the front die insert direction, the first core pulling mechanism comprises a driving device, a first sliding block, an oblique block, a first insert, a second insert and a third insert, the driving device drives the first sliding block to move along a first direction, the oblique block obliquely extends along the die opening and closing direction, the first end of the oblique block is slidably connected with the first sliding block, the second end of the oblique block is slidably inserted into the third insert, and the first insert and the second insert are respectively slidably connected with the second end of the oblique block, the first insert protrudes out of the first side of the third insert, the second insert protrudes out of the second side of the third insert, and the inclined blocks respectively drive the first insert and the second insert to move telescopically relative to the third insert;
the two slide mechanisms comprise slide pieces and inclined guide rods, the slide pieces are slidably connected with the front die frame, the two slide pieces are respectively arranged on two sides of the front die insert, the inclined guide rods are slidably connected with the slide pieces, the inclined guide rods drive the slide pieces to slide along a second direction, a cavity is formed between the front die insert, the die core plate and the two slide pieces, the first insert, the second insert and the third insert all extend into the cavity, and the sprue bush is communicated with the cavity.
2. An injection mold according to claim 1, characterized in that:
the second end part of the inclined block is provided with a first sliding part, the extending direction of the first sliding part is intersected with the extending direction of the inclined block, the first insert is provided with a second sliding part, the second sliding part is in concave-convex fit with the first sliding part, and the first insert can slide relative to the inclined block along the extending direction of the first sliding part.
3. An injection mold according to claim 1, characterized in that:
the diagonal block is provided with a first mounting hole and two first guide holes, the two first guide holes are respectively arranged on two sides of the width direction of the first mounting hole, the first guide holes are communicated with the first mounting hole, and the first guide holes extend along the extension direction of the diagonal block;
the third insert is provided with a second mounting hole and two second guide holes, the second mounting hole is communicated with the first mounting hole, and the second guide holes are communicated with the first guide holes in a one-to-one correspondence manner;
the middle part of the second insert is slidably arranged in the first mounting hole, the end part of the second insert protrudes out of the first mounting hole and the second mounting hole, sliding pins are connected to two sides of the second insert, the sliding pins penetrate through the first guide holes and are inserted into the second guide holes, the sliding pins can slide relative to the inclined blocks along the extending direction of the first guide holes, and the sliding pins drive the second insert to move along the length direction of the first mounting holes.
4. An injection mold according to claim 1, characterized in that:
the first core pulling mechanism further comprises a second sliding block and a third sliding block, the second sliding block is slidably connected with the first sliding block, the second sliding block is fixedly arranged on the rear template, the third sliding block is slidably connected with the second sliding block, the third sliding block is slidably connected on the rear mold frame, the rear mold frame drives the third sliding block to move relative to the second sliding block, the moving direction of the third sliding block is perpendicular to the extending direction of the diagonal block, the third mold insert is fixedly arranged on the third sliding block, and the diagonal block penetrates through the second sliding block and the third sliding block and is inserted into the third mold insert.
5. An injection mould according to any one of claims 1 to 4, characterized in that:
a bulge is arranged on one side, facing the front mold insert, of the mold core plate, and the first core pulling mechanism is located on the first side of the bulge;
the injection mold further comprises a second core-pulling mechanism, the second core-pulling mechanism comprises a rear mold slider and a rear mold insert, the rear mold slider is fixedly arranged on the rear template and penetrates through the rear mold base to stretch into the second side of the bulge, the rear mold insert is arranged in the bulge, the rear mold insert is slidably connected with the rear mold slider, the rear mold insert protrudes out of the surface of the bulge and stretches into the cavity, the rear mold plate drives the rear mold slider to move along the mold opening and closing direction, and the rear mold slider drives the rear mold insert to move relative to the third mold insert in a telescopic mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121552531.3U CN215849413U (en) | 2021-07-07 | 2021-07-07 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121552531.3U CN215849413U (en) | 2021-07-07 | 2021-07-07 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215849413U true CN215849413U (en) | 2022-02-18 |
Family
ID=80333368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121552531.3U Active CN215849413U (en) | 2021-07-07 | 2021-07-07 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215849413U (en) |
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2021
- 2021-07-07 CN CN202121552531.3U patent/CN215849413U/en active Active
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