CN214137108U - Die assembly for injection molding machine - Google Patents
Die assembly for injection molding machine Download PDFInfo
- Publication number
- CN214137108U CN214137108U CN202022753669.1U CN202022753669U CN214137108U CN 214137108 U CN214137108 U CN 214137108U CN 202022753669 U CN202022753669 U CN 202022753669U CN 214137108 U CN214137108 U CN 214137108U
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- groove
- die
- electric telescopic
- base
- mould
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 22
- 210000003437 trachea Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die assembly for injection molding machine belongs to injection molding machine moulding-die technical field, which comprises a base, the welding of base surface has the support frame, the electric putter is installed to the support frame bottom, the electric putter bottom fixedly connected with goes up the mould, it is located the top of lower mould to go up the mould, the welding of base both sides has the dead lever, the dead lever is located the outside of guide bar, the guide bar bottom end fixedly connected with base, the dead lever runs through the lower mould, dead lever top threaded connection has nut b, the lower mould surface has seted up the lower mould groove, and the lower mould passes through the dead lever to be fixed on the base surface, and the guide bar can lead to the upper mould shift position, and the spring can make the upper mould steadily move down, can avoid crooked between the mould; after the electric telescopic rod b is shortened, the air pump conveys air into the die cavity through the air pipe to separate the dies, the electric telescopic rod extends to drive the formed workpiece to move out of the die cavity, and the demolding is convenient.
Description
Technical Field
The utility model relates to an injection molding machine moulding-die technical field especially relates to a die assembly for injection molding machine.
Background
An injection moulding machine, also known as an injection moulding machine or an injection machine, is a main moulding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using plastic moulding moulds, and is divided into a vertical type, a horizontal type and an all-electric type.
Patent number CN 210851196U's publication a die assembly for injection molding machine, when using, can provide a hold-down mechanism for last bed die, after finishing moulding plastics, through this hold-down mechanism, can compress tightly last bed die, avoided when waiting for the cooling, because the mistake bumps or other unexpected circumstances has leaded to becoming flexible between the mould, ensures the quality of product.
The compression mold of the injection molding machine in the prior art has the following disadvantages: 1. in the injection molding process, an upper mold and a lower mold are separated and attached for multiple times, the molds are easy to deflect after multiple times of movement, a rear mold groove is attached between the molds to deflect, and a molded workpiece has flaws; 2. after the molten plastic is formed in the mold, the pressure in the mold is higher than the external pressure, the molds are tightly attached and are not easy to separate, and demolding is not easy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a die assembly for an injection molding machine, wherein a lower die is fixed on the surface of a base through a fixed rod, a guide rod can guide the moving position of an upper die, and a spring can make the upper die stably move downwards so as to avoid the deflection between the dies; after the electric telescopic rod b is shortened, the air pump conveys air into the die cavity through the air pipe to separate the dies, the electric telescopic rod extends to drive the formed workpiece to move out of the die cavity, and the demolding is convenient.
The utility model provides a specific technical scheme as follows:
the utility model provides a die assembly for injection molding machine, which comprises a base, the welding of base surface has the support frame, the electric putter is installed to the support frame bottom, electric putter bottom fixedly connected with goes up the mould, go up the mould and be located the top of lower mould, the welding of base both sides has the dead lever, the dead lever is located the outside of guide bar, guide bar bottom fixedly connected with base, the dead lever runs through the lower mould, dead lever top threaded connection has nut b, the lower mould surface has seted up the lower mould groove, lower mould groove bottom left side swing joint has electric telescopic link b, lower mould groove left side through connection has the trachea, trachea left end threaded connection has the air pump, the air pump is installed in the left side of support frame, electric telescopic link b installs in the inside of power groove b, power groove b is located the left side of power groove a, install electric telescopic handle an in the power groove a, the guide bar top runs through the lower mould and goes up the mould, guide bar top threaded connection has nut a, nut a bottom gap connection has the spring, spring bottom swing joint has the mould, guide bar sliding connection has the sleeve, sleeve fixed connection is in the both sides of last mould.
Optionally, an upper die groove is formed in the bottom of the upper die, and the sleeve is fixedly connected inside the guide groove.
Optionally, the guide way is opened in the both sides of going up the mould, electric telescopic handle b sliding connection has logical groove.
Optionally, the through groove is formed in the left side of the lower die, and the air inlet of the air pipe extends into the lower die cavity through the through groove.
Optionally, the power groove b is arranged on the left side of the base, and the power groove a is arranged on the right side of the base.
Optionally, the current input ends of the electric push rod, the electric telescopic rod a and the electric telescopic rod b are electrically connected with an external power supply through a wire.
The utility model has the advantages as follows:
the embodiment of the utility model provides a die assembly for injection molding machine:
1. the lower die is fixed on the surface of the base through the fixed rod, the guide rod can guide the moving position of the upper die, and the spring can enable the upper die to stably move downwards so as to avoid the skew of the dies; the top ends of fixed rods welded on four sides of a base penetrate through four sides of a lower die, meanwhile, a nut b rotates downwards along the top end of the fixed rod to enable the lower die to be fastened on the surface of the base, the top ends of guide rods welded on two sides of the base penetrate through the lower die and an upper die, the guide rods slide up and down along sleeves connected in two sides of the upper die, the guide rods can guide the moving position of the upper die, the upper die moves downwards along the guide rods and is aligned to the lower die after contacting with the lower die, no deflection exists, the top ends of the guide rods are fixed through the nuts a, two ends of springs are respectively connected with the nuts a and the upper die, the upper die is driven to move downwards after being extended, the springs are extended in the process of moving downwards along the guide rods, the springs are expected to restore to an upward pulling force to the upper die after being extended, the pulling force is partially offset with the force of the electric push rods acting on the upper die, the upper die can stably move downwards, and the upper die is stably moved downwards and is clung to the lower die after the lower die is fixed, the skew between the moulds can be avoided.
2. After the electric telescopic rod b is shortened, the air pump conveys air into the die cavity through the air pipe to separate the dies, and the electric telescopic rod extends to drive the formed workpiece to move out of the die cavity, so that the die is convenient to demold; the molten plastic is cooled and formed in an upper die groove and a lower die groove which are arranged between an upper die and a lower die, an electric telescopic rod b on the left side of the bottom of the lower die is shortened after cooling is finished, the electric telescopic rod b is shortened to drive a push rod at the top end to move downwards along a through groove to expose an air pipe, external air is pumped into the through groove through the air pipe after an air pump is started and is conveyed into the through groove, the through groove is communicated with the lower die groove, air in the through groove is conveyed into the die groove, the air pipe continuously conveys air into the die groove through the through groove, the air pressure in the die groove is gradually consistent with the outside, and the air input in the through groove moves inwards along the joint of the through groove and a workpiece, the workpiece can be separated from the die cavity, after the electric push rod is shortened to drive the upper die to move upwards, the electric telescopic rod b extends to recover the original position, the electric telescopic rod b and the electric telescopic rod a are started to extend simultaneously, the electric telescopic rod extends to push the workpiece in the lower die cavity to move downwards to be separated from the lower die cavity, and the workpiece is separated from the lower die cavity easily through the cooperation of the air pump and the electric telescopic rod.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a die assembly for an injection molding machine according to an embodiment of the present invention;
fig. 2 is a schematic partial cross-sectional view of a side view of a die assembly for an injection molding machine according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the air pipe connection of the die assembly for the injection molding machine according to the embodiment of the present invention.
In the figure: 1. a support frame; 2. a guide bar; 3. an upper die; 4. an electric push rod; 5. feeding a die cavity; 6. a nut a; 7. a spring; 8. a sleeve; 9. a guide groove; 10. a lower die; 11. fixing the rod; 12. a base; 13. a power groove a; 14. an electric telescopic rod a; 15. a lower die cavity; 16. a power groove b; 17. an electric telescopic rod b; 18. an air tube; 19. a nut b; 20. an air pump; 21. a through groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
A die assembly for an injection molding machine according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1 to 3, a die assembly for an injection molding machine provided by the embodiment of the present invention includes a base 12, a support frame 1 is welded on the surface of the base 12, an electric push rod 4 is installed at the bottom of the support frame 1, an upper die 3 is fixedly connected to the bottom of the electric push rod 4, the upper die 3 is located above a lower die 10, fixing rods 11 are welded on two sides of the base 12, the fixing rods 11 are located at the outer side of a guide rod 2, the base 12 is fixedly connected to the bottom end of the guide rod 2, the fixing rods 11 penetrate through the lower die 10, a nut b19 is connected to the top end of the fixing rods 11 through a thread, a lower die groove 15 is formed on the surface of the lower die 10, an electric telescopic rod b17 is movably connected to the left side of the bottom end of the lower die groove 15, an air pipe 18 is connected to the left side of the lower die groove 15 through a thread, an air pump 20 is connected to the left end of the air pipe 18, the air pump 20 is installed on the left side of the support frame 1, electric telescopic handle b17 installs the inside at power groove b16, power groove b16 is located the left side of power groove a13, install electric telescopic handle a14 in the power groove a13, lower mould 10 and last mould 3 are run through on 2 tops of guide bar, 2 top end threaded connection of guide bar have nut a6, nut a6 bottom gap is connected with spring 7, spring 7 bottom swing joint has last mould 3, 2 sliding connection of guide bar have sleeve 8, sleeve 8 fixed connection is in the both sides of last mould 3.
Illustratively, the base 12 includes a power slot b16, an electric telescopic rod b17, a power slot a13 and an electric telescopic rod a14, the electric telescopic rod b17 and the electric telescopic rod a14 are respectively installed at two sides of the bottom of the lower mold 10, the electric telescopic rod can push the forming workpiece in the lower mold 15 by extending, the forming workpiece can be driven to move up and down out of the lower mold 15, the lower mold 15 is fixed on the surface of the base 12 by a fixing rod 11 fixedly connected to four sides of the base 12, an external thread is formed on the outer surface of the top end of the fixing rod 11, an internal thread is formed on the inner surface of a nut b19, the internal thread is matched with the external thread, a nut b19 can rotate down along the thread on the surface of the fixing rod 11 to fasten the lower mold 10 on the surface of the base 12, an external thread is formed on the surface of the top end of the guide rod 2, an internal thread is formed on the inner surface of a nut a6, the external thread is matched with the internal thread, a6 can rotate down and be fixed on the top end of the guide rod 2 along the thread of the guide rod 2, two ends of the spring 7 are respectively connected with a nut a6 and the upper die 3, and the upper die 3 moves downwards to drive the spring 7 to elongate.
Referring to fig. 1, an upper cavity 5 is formed at the bottom of the upper die 3, and the sleeve 8 is fixedly connected inside the guide groove 9.
In the example, the upper die groove 5 formed in the bottom of the upper die 3 and the lower die groove 15 are tightly attached to form a complete workpiece die groove, so that the workpiece can be conveniently formed, and the guide groove 9 provides a mounting platform for the sleeve 8.
Referring to fig. 1, the guide grooves 9 are opened at two sides of the upper die 3, and the electric telescopic rod b17 is slidably connected with the through groove 21.
Illustratively, the guide grooves 9 are formed in two sides of the upper die 3 and correspond to the guide rods 2, so that the guide rods 2 can conveniently penetrate through the upper die 3 to guide the movement of the upper die, and the push rod at the top end of the electric telescopic rod b17 extends to enter the through groove 21.
Referring to fig. 1, the through groove 21 is opened at the left side of the lower mold 10, and the air inlet of the air pipe 18 extends to the inside of the lower mold cavity 15 through the through groove 21.
Illustratively, the air pipe 18 is connected to the left side of the through groove 21, and air in the air pipe 18 is delivered into the lower mold groove 15 formed in the lower mold 10 through the through groove 21.
Referring to fig. 1, the power slot b16 is opened at the left side of the base 12, and the power slot a13 is opened at the right side of the base 12.
In an example, a power groove b16 and a power groove a13 are respectively formed in two sides of the base 12, and the power grooves can provide a mounting platform for the electric telescopic rod.
Referring to fig. 1, the current input terminals of the electric push rod 4, the electric telescopic rod a14 and the electric telescopic rod b17 are electrically connected with an external power supply through wires.
In an example, an external power supply respectively provides power for the electric push rod 4, the electric telescopic rod a14 and the electric telescopic rod b17, and the electric push rod 4, the electric telescopic rod a14 and the electric telescopic rod b17 are connected in parallel and can work independently.
When the device is used, an external power supply supplies power, the top ends of fixing rods 11 welded on four sides of a base 12 penetrate through four sides of a lower die 10, meanwhile, nuts b19 rotate downwards along the top ends of the fixing rods 11 to enable the lower die 10 to be fastened on the surface of the base 12, the top ends of guide rods 2 welded on two sides of the base 12 penetrate through the lower die 10 and an upper die 3, the guide rods 2 slide up and down along sleeves 8 connected in two sides of the upper die 3, the guide rods 2 can guide the moving position of the upper die 3, the upper die 3 moves downwards along the guide rods 2 to be in contact with the lower die 10, the die grooves are aligned and not inclined, the top ends of the guide rods 2 are fixed through nuts a6, two ends of a spring 7 are respectively connected with nuts a6 and the upper die 3, an electric push rod 4 (after a motor in the electric push rod 4 is decelerated through a gear, the rotary motion of the motor is changed into linear motion, the forward and backward rotation is utilized to complete push rod motion) and then the upper die 3 moves downwards after being extended, the model of the electric push rod 4 is XTL50, the spring 7 is lengthened when the upper die 3 moves downwards along the guide rod 2, the spring 7 wants to restore to the original state to provide an upward pulling force for the upper die 3 after being lengthened, the pulling force is partially offset with the force of the electric push rod 4 acting on the upper die 3, the upper die 3 can move downwards stably, the upper die 3 moves downwards gradually and is clung to the lower die 10, at the moment, the upper die groove 5 and the lower die groove 15 are clung and aligned, the injection molding machine conveys molten plastic into the die after the die is tightly pressed and fixed, the molten plastic is cooled and formed in the upper die groove 5 and the lower die groove 15 arranged between the upper die 3 and the lower die 10, after the cooling is finished, the electric telescopic rod b17 on the left side of the bottom of the lower die 10 is shortened, the model of the electric telescopic rod b17 is XTL50, the electric telescopic rod b17 is shortened to drive the push rod on the top end to move downwards along the through groove 21 to expose the air pipe 18, after the air pump 20 is started, the air pump 20 is pumped to convey the air into the through the air pipe 18 to the through pipe 21, the air pump 20 is 750W-30L, lead to groove 21 and lower die cavity 15 intercommunication, the interior air of groove 21 is carried in the die cavity, trachea 18 lasts through leading to groove 21 to the interior air delivery of die cavity, the die cavity internal gas pressure is unanimous with the external world gradually, and the internal input gas of leading to the groove inwards along leading to groove and work piece department of meeting, can make work piece and die cavity separation, electric putter 4 shortens to drive and goes up the mould 3 and move the back and the lower mould 10 separation, electric telescopic handle b17 extends and resumes the original position after, electric telescopic handle b17 and electric telescopic handle a14 start the extension simultaneously, electric telescopic handle a14 model is XTL50, electric telescopic handle extension promotes down the interior work piece of die cavity 15 and moves down and breaks away from die cavity 15 down, the work piece is deviate from in the die cavity.
The utility model relates to a die assembly for injection molding machine, which comprises a die assembly 1 and a support frame; 2. a guide bar; 3. an upper die; 4. an electric push rod; 5. feeding a die cavity; 6. a nut a; 7. a spring; 8. a sleeve; 9. a guide groove; 10. a lower die; 11. fixing the rod; 12. a base; 13. a power groove a; 14. an electric telescopic rod a; 15. a lower die cavity; 16. a power groove b; 17. an electric telescopic rod b; 18. an air tube; 19. a nut b; 20. an air pump; 21. through slots, components are all universal standard parts or components known to those skilled in the art, and the structure and principle of the through slots are known to those skilled in the technical manual or by routine experiments.
It is apparent that various modifications and variations can be made to the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the embodiments of the present invention, and thus, provided that such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, it is intended that the present invention also include such modifications and variations.
Claims (6)
1. The die assembly for the injection molding machine comprises a base (12) and is characterized in that a support frame (1) is welded on the surface of the base (12), an electric push rod (4) is installed at the bottom of the support frame (1), an upper die (3) is fixedly connected to the bottom of the electric push rod (4), the upper die (3) is positioned above a lower die (10), fixing rods (11) are welded on two sides of the base (12), the fixing rods (11) are positioned on the outer side of a guide rod (2), the base (12) is fixedly connected to the bottom of the guide rod (2), the fixing rods (11) penetrate through the lower die (10), nuts b (19) are in threaded connection with the top of the fixing rods (11), a lower die groove (15) is formed in the surface of the lower die (10), an electric telescopic rod b (17) is movably connected to the left side of the bottom of the lower die groove (15), and an air pipe (18) is in penetrating connection with the left side of the lower die groove (15), trachea (18) left end threaded connection has air pump (20), the left side at support frame (1) is installed in air pump (20), electric telescopic handle b (17) are installed in the inside of power groove b (16), power groove b (16) are located the left side of power groove a (13), install electric telescopic handle a (14) in power groove a (13), lower mould (10) and last mould (3) are run through on guide bar (2) top, guide bar (2) top threaded connection has nut a (6), nut a (6) bottom gap connection has spring (7), spring (7) bottom swing joint has last mould (3), guide bar (2) sliding connection has sleeve (8), sleeve (8) fixed connection is in the both sides of last mould (3).
2. A die assembly as claimed in claim 1, wherein said upper die (3) has an upper cavity (5) formed in a bottom thereof, and said sleeve (8) is fixedly attached to an inside of said guide groove (9).
3. A die assembly as claimed in claim 2, wherein said guide grooves (9) are opened on both sides of the upper die (3), and a through groove (21) is slidably connected to said electric telescopic rod b (17).
4. A die assembly as claimed in claim 3, wherein said through groove (21) is opened to the left side of the lower die (10), and the air inlet of said air pipe (18) extends to the inside of the lower die groove (15) through the through groove (21).
5. A die assembly as claimed in claim 1, wherein said power groove b (16) is provided on the left side of the base (12), and said power groove a (13) is provided on the right side of the base (12).
6. The die assembly as claimed in claim 1, wherein the current input terminals of the electric push rod (4), the electric telescopic rod a (14) and the electric telescopic rod b (17) are electrically connected with an external power supply through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753669.1U CN214137108U (en) | 2020-11-25 | 2020-11-25 | Die assembly for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753669.1U CN214137108U (en) | 2020-11-25 | 2020-11-25 | Die assembly for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214137108U true CN214137108U (en) | 2021-09-07 |
Family
ID=77566576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022753669.1U Expired - Fee Related CN214137108U (en) | 2020-11-25 | 2020-11-25 | Die assembly for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214137108U (en) |
-
2020
- 2020-11-25 CN CN202022753669.1U patent/CN214137108U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |