CN218139574U - Injection mold of large-scale part of high accuracy - Google Patents

Abstract

The utility model discloses an injection mold of large-scale part of high accuracy, be applied to injection mold technical field, when the lower mould need be changed to the injection mold body, the user need upwards rotate spacing fixture block, take out spacing fixture block from the spacing inslot, later just can take out spacing frame in the spread groove, when taking out spacing frame, spacing frame can together take out the lower mould, later the user need will be equipped with equal size, the spacing frame of different model lower moulds is put into the spread groove, rotate spacing fixture block along the spacing groove again, until spacing fixture block and spacing groove are closed, can accomplish the change to the lower mould, the artifical lower mould of changing of user has been reached and has been made things convenient for, the artifical effect of changing speed to the lower mould has been improved.

Description

Injection mold of large-scale part of high accuracy

Technical Field

The utility model belongs to the technical field of injection mold, in particular to injection mold of large-scale part of high accuracy.

Background

The plastic mould is a tool which is matched with a plastic forming machine in the plastic processing industry and endows a plastic product with complete configuration and accurate size.

At present, the publication numbers are: CN212097356U, a chinese utility model, which discloses a high-precision injection mold, comprising a front mold plate, an a plate, a B plate, a rear mold plate, a top plate, an elastic component, and a pulling mechanism, wherein the a plate is fixed on one side of the front mold plate, the middle part of the front mold plate is provided with a sprue, one end of the front mold plate of the a plate is provided with a mold core, the sprue is communicated with the mold core, the B plate is fixed on one side of the rear mold plate, a thread core-pulling mechanism is arranged between the B plate and the rear mold plate, the thread core-pulling mechanism passes through the B plate to be matched with the mold core to form a mold cavity, and the front mold plate is provided with an accommodating groove; the thickness of the top plate is smaller than the depth of the accommodating groove, the top plate slides in the accommodating groove, two opposite side walls of the accommodating groove extend out of two ends of the top plate, a plurality of ejector pins are arranged on the top plate, the ejector pins are vertically fixed at one end, close to the A plate, of the top plate, and the tail ends of the ejector pins penetrate through the bottom of the mold insert; two ends of the elastic piece respectively push against the top plate and the A plate; two ends of the pulling mechanism are respectively rotatably connected with the top plate to extend out of one end of the containing groove and the B plate. The utility model provides a simple structure's high accuracy injection mold, the process of loosing core can not harm the work piece.

When the existing high-precision injection mold is used, the whole size of the injection mold of a large part is large, the injection mold needs to be replaced by large equipment, the large equipment is difficult to take out manually, the replacement is inconvenient, the speed of mold replacement is reduced, the injection molding cooling speed is low, and the production speed is reduced.

Disclosure of Invention

The utility model aims to current injection mold of the large-scale part of high accuracy, its advantage is the injection mold of the large-scale part of high accuracy, is convenient for take out the mould change, improves production efficiency to mould rapid cooling when moulding plastics.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an injection mold of large-scale part of high accuracy, includes injection mold body, supporting roof, cooling mechanism and retooling mechanism, and cooling mechanism includes feed subassembly and cooling assembly, the feed subassembly includes the connecting cylinder, the bottom of going up the connecting cylinder and the top intercommunication of supporting roof, the top bolt on going up the connecting cylinder right side has the drawing liquid pump of intaking, the bottom bolt on going up the connecting cylinder right side has a water drawing liquid pump, the right side of intaking drawing liquid pump and the right side of play water drawing liquid pump all communicate there is the connecting pipe, the middle part bolt on going up the connecting cylinder right side has the drawing pump, the right side intercommunication of drawing pump has the pan feeding pipe.

Adopt above-mentioned technical scheme, through setting up the feed subassembly, when cooling module need mould plastics and cool off, the feed subassembly can provide the cooling and the material of moulding plastics to cooling module, at first with the external water supply equipment of connecting pipe, again with pan feeding union coupling feed equipment, the drawing liquid pump of intaking can be with the coolant liquid in the water supply equipment, carry in the cooling module along last connecting cylinder, will accomplish refrigerated coolant liquid again and take out to get back to the water supply equipment in and circulate from going out the drawing liquid pump, the drawing liquid pump can be with the material of moulding plastics in the feed equipment and carry and provide the use in the cooling module, the effect that provides the coolant liquid and the material of moulding plastics to cooling module has been reached.

The utility model discloses further set up to: the cooling assembly comprises a lower connecting cylinder, a cooling water pipe, a material conveying pipe and an upper die, the bottom of the upper connecting cylinder is communicated with the top of the lower connecting cylinder, the bottom of the lower connecting cylinder is welded with the upper die, the left side of the water inlet liquid pump and the left side of the water outlet liquid pump are communicated with the cooling water pipe, the left side of the material pumping pump is communicated with the material conveying pipe, the bottom of the material conveying pipe is communicated with the upper die, and the cooling water pipe is spliced with the inner wall of the upper die near one side of the upper die.

Adopt above-mentioned technical scheme, through setting up cooling module, can provide after moulding plastics material and coolant liquid at the feed subassembly, go up the mould and can contact with retooling mechanism to the material of moulding plastics can enter into through fortune material pipe and go up mould and retooling mechanism in, later condenser tube can flow the coolant liquid of inside along last mould, thereby cools off the material of moulding plastics of low temperature in to the last mould in with the coolant liquid, thereby has reached the effect of carrying out rapid cooling when moulding plastics.

The utility model discloses further set up to: the bottom of the supporting top plate is bolted with the top of the injection mold body, four supporting hanging rods which are uniformly distributed are welded at the bottom of the supporting top plate, and the bottom of each supporting hanging rod is bolted with the top of the upper mold.

By adopting the technical scheme, the effect of improving the structural stability of the upper die is achieved.

The utility model discloses further set up to: the die change mechanism comprises a connecting groove, a limiting frame, a lower die, a limiting groove and a limiting fixture block, wherein the connecting groove is formed in the inner wall of the injection mold body, the inner wall of the connecting groove is connected with the limiting frame in a sliding mode, the surface of the lower die is spliced with the inner wall of the limiting frame, the limiting groove is formed in the two sides of the limiting frame, the limiting fixture block is rotatably connected to one side, close to the connecting groove, of the injection mold body, and the limiting fixture block is matched with the limiting groove for use.

Adopt above-mentioned technical scheme, through setting up retooling mechanism, can be when needs are changed the lower mould, can upwards rotate spacing fixture block, with the disconnection of spacing card hole and spacing groove, the user just can outwards pull out spacing frame from the spread groove, later will be equipped with in the spacing frame of other types of lower moulds pushes the spread groove again, rotate spacing fixture block to the position of spacing groove again, until spacing fixture block and spacing groove are closed completely, reached and made things convenient for the manual work to take out and change the lower mould, the effect of mould change speed has been improved.

The utility model discloses further set up to: three evenly distributed limiting chutes are formed in the top of the inner wall of the limiting groove, three evenly distributed limiting sliding blocks are welded to the bottom of the limiting frame, and the limiting sliding blocks are matched with the limiting chutes for use.

By adopting the technical scheme, the effect of stability when the limiting frame is taken out and put in is achieved.

The utility model discloses further set up to: the front side of the limiting frame is welded with a handle, the surface of the handle is sleeved with a soft sleeve, the soft sleeve is made of sponge, and the surface of the soft sleeve is coated with anti-corrosion paint.

By adopting the technical scheme, the effect that a user can hold the limiting frame conveniently is achieved.

The utility model discloses further set up to: threaded grooves are formed in the surface of the connecting pipe and the surface of the feeding pipe, and sealing rings are bonded on the right side of the connecting pipe and the right side of the feeding pipe.

By adopting the technical scheme, the effect of stability when the connecting pipe and the feeding pipe are connected with the external equipment is improved.

The utility model discloses further set up to: the inner wall welding of connecting cylinder has spacing cutting ferrule down, the inner wall of spacing cutting ferrule cup joints with condenser tube and fortune material pipe respectively.

Adopt above-mentioned technical scheme, reached and prevented that condenser tube from will transporting the interior material cooling's of charging tube effect before accomplishing to mould plastics.

To sum up, the utility model discloses following beneficial effect has:

1. when the lower mould need be changed to the injection mold body, the user need upwards rotate spacing fixture block, take out spacing fixture block from the spacing inslot, later just can take out the spacing frame in the spread groove, when taking out spacing frame, spacing frame can together take out the lower mould, later the user need will be equipped with equal size, the spacing frame of different model lower moulds is put into the spread groove, rotate spacing fixture block along the spacing groove again, until spacing fixture block and spacing groove are closed, can accomplish the change to the lower mould, the artifical lower mould of changing of user has been made things convenient for in having reached, the artifical effect of changing speed to the lower mould has been improved.

2. When the operation of moulding plastics, cooling mechanism can let the feed subassembly provide the coolant liquid and the material of moulding plastics to cooling module, when feed subassembly functions, the user need with the external feeding equipment of pan feeding pipe, again with the external water supply equipment of connecting pipe, the material pump of going up the connecting cylinder will be with the material suction fortune material pipe of moulding plastics, the material of moulding plastics will enter into between mould and the lower mould, later the drawing pump of intaking will be taken out the coolant liquid in the coolant water pipe, the cooling water in the coolant water pipe will be cooled down to last mould, thereby carry out quick cooling to the material of moulding plastics, later the cooling water in the coolant water pipe will be taken out by the water drawing pump, the cooling water can be recycled in the water supply equipment again.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the support boom of the present invention;

FIG. 3 is a schematic view of the overall structure of the feeding assembly of the present invention;

FIG. 4 is a schematic view of the overall structure of the cooling module of the present invention;

FIG. 5 is a schematic view of the overall structure of the gasket of the present invention;

FIG. 6 is a schematic view of the overall structure of the mold changing mechanism of the present invention;

fig. 7 is a schematic view of the overall structure of the handle of the present invention.

Reference numerals: 1. an injection mold body; 2. supporting a top plate; 3. a cooling mechanism; 301. a supply assembly; 3011. an upper connecting cylinder; 3012. a water inlet liquid pump; 3013. a water outlet liquid pump; 3014. a connecting pipe; 3015. a material pumping pump; 3016. a feeding pipe; 302. a cooling assembly; 3021. a lower connecting cylinder; 3022. a cooling water pipe; 3023. a material conveying pipe; 3024. an upper die; 4. a die changing mechanism; 401. connecting grooves; 402. a limiting frame; 403. a lower die; 404. a limiting groove; 405. a limiting clamping block; 5. a support boom; 6. a limiting chute; 7. a limiting slide block; 8. a handle; 9. a soft sleeve; 10. a thread groove; 11. a thread groove; 12. and a limiting clamping sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1-5, an injection mold for a high-precision large-scale component, includes an injection mold body 1, a supporting top plate 2, a cooling mechanism 3 and a mold changing mechanism 4, the cooling mechanism 3 includes a feeding component 301 and a cooling component 302, the feeding component 301 includes an upper connecting cylinder 3011, the bottom of the upper connecting cylinder 3011 is communicated with the top of the supporting top plate 2, the top of the right side of the upper connecting cylinder 3011 is fixedly connected with an inlet liquid pump 3012, the bottom of the right side of the upper connecting cylinder 3011 is fixedly connected with an outlet liquid pump 3013, the right side of the inlet liquid pump 3012 and the right side of the outlet liquid pump 3013 are both communicated with a connecting pipe 3014, the middle of the right side of the upper connecting cylinder 3011 is fixedly connected with a material pump 3015, the right side of the material pump 3015 is communicated with a material inlet pipe 3016, by setting the feeding component 301, when the cooling component 302 needs to perform injection molding and cooling, the feeding component 301 can provide cooling and injection molding material for the cooling component 302, firstly, the connecting pipe 3014 is externally connected with a water supply device, then the feeding pipe 3016 is connected with a feeding device, the water-in liquid-pumping pump 3012 can convey cooling liquid in the water supply device into the cooling module 302 along the upper connecting cylinder 3011, and then the cooling liquid after cooling is pumped out from the water-out liquid-pumping pump 3013 and returned into the water supply device for circulation, the material-pumping pump 3015 can convey injection molding materials in the feeding device into the cooling module 302 for use, so as to achieve the effect of providing cooling liquid and injection molding materials for the cooling module 302, the cooling module 302 comprises a lower connecting cylinder 3021, a cooling water pipe 3022, a material-conveying pipe 3023 and an upper die 3024, the bottom of the upper connecting cylinder 3011 is communicated with the top of the lower connecting cylinder 3021, the bottom of the lower connecting cylinder 3021 is fixedly connected with the upper die 3024, the left side of the water-in liquid-pumping pump 3012 and the left side of the water-out liquid-pumping pump 3013 are both communicated with the cooling water pipe 3022, the left side of a material pumping pump 3015 is communicated with a material conveying pipe 3023, the bottom of the material conveying pipe 3023 is communicated with an upper die 3024, one side of a cooling water pipe 3022 close to the upper die 3024 is spliced with the inner wall of the upper die 3024, by providing the cooling assembly 302, after the feeding assembly 301 provides the injection molding material and the cooling liquid, the upper die 3024 can be in contact with the die change mechanism 4, and the injection molding material can enter the upper die 3024 and the die change mechanism 4 through the material conveying pipe 3023, then the cooling water pipe 3022 can flow the cooling liquid inside along the upper die 3024, so that the injection molding material in the upper die 3024 is cooled by the low temperature in the cooling liquid, thereby achieving the effect of rapidly cooling during injection molding, the bottom of the supporting top plate 2 is fixedly connected with the top of the injection molding die body 1, the bottom of the supporting top plate 2 is fixedly connected with four uniformly distributed supporting booms 5, the bottom of the supporting booms 5 is fixedly connected with the top of the upper die 3024, the effect of increasing the structural stability of the upper die 3024 is achieved, the surface of the connecting pipe 3014 and the surface of the feeding pipe 3016 are both provided with threaded grooves 10, the right side of the connecting pipe 3014 and the right side of the feeding pipe 3016 are both bonded with sealing rings 11, the effect of stability when the connecting pipe 3014 and the feeding pipe 3016 are connected with external equipment is increased, the inner wall of the lower connecting cylinder 3021 is fixedly connected with a limiting cutting ferrule 12, the inner wall of the limiting cutting ferrule 12 is respectively sleeved with a cooling water pipe 3022 and a feeding pipe 3023, the effect of preventing the cooling water pipe 3022 from cooling materials in the feeding pipe 3023 before injection molding is completed is achieved, when injection molding is performed, the temperature reduction mechanism 3 enables the feeding assembly 301 to provide cooling liquid and injection molding materials for the cooling assembly 302, when the feeding assembly 301 operates, a user needs to connect the feeding pipe 3016 with external feeding equipment, connect the connecting pipe 3014 with external water supply equipment, the pumping pump 3015 of the upper connecting cylinder 3011 pumps the injection molding materials into the feeding pipe 3023, the injection molding material enters between the upper die 3024 and the lower die 403, then the water inlet liquid pump 3012 pumps the cooling liquid into the cooling water pipe 3022, the cooling water in the cooling water pipe 3022 cools the upper die 3024, so as to rapidly cool the injection molding material, then the cooling water in the cooling water pipe 3022 is pumped out by the water outlet liquid pump 3013, and the cooling water enters the water supply device again for recycling.

The using process is briefly described as follows: when the injection molding operation is performed, the cooling mechanism 3 enables the feeding assembly 301 to provide cooling liquid and injection molding materials for the cooling assembly 302, when the feeding assembly 301 operates, a user needs to connect the feeding pipe 3016 with external feeding equipment, and then connect the connecting pipe 3014 with external water supply equipment, the material pumping pump 3015 of the upper connecting cylinder 3011 pumps the injection molding materials into the material conveying pipe 3023, the injection molding materials enter between the upper mold 3024 and the lower mold 403, then the water pumping pump 3012 pumps the cooling liquid into the cooling water pipe 3022, the cooling water in the cooling water pipe 3022 cools the upper mold 3024, so that the injection molding materials are cooled rapidly, then the cooling water in the cooling water pipe 3022 is pumped out by the water pumping pump 3013, and the cooling water can enter the water supply equipment again for recycling.

Example 2

Referring to fig. 6-7, the mold exchanging mechanism 4 includes a connecting groove 401, a limiting frame 402, a lower mold 403, a limiting groove 404 and a limiting fixture block 405, the connecting groove 401 is disposed on an inner wall of the injection mold body 1, the inner wall of the connecting groove 401 is slidably connected to the limiting frame 402, a surface of the lower mold 403 is connected to an inner wall of the limiting frame 402, the limiting groove 404 is disposed on two sides of the limiting frame 402, the limiting fixture block 405 is rotatably connected to one side of the injection mold body 1 near the connecting groove 401, the limiting fixture block 405 is used in cooperation with the limiting groove 404, by providing the mold exchanging mechanism 4, when the lower mold 403 needs to be replaced, the limiting fixture block 405 can be rotated upward to disconnect the limiting fixture hole from the limiting groove 404, a user can pull the limiting frame 402 outward from the connecting groove 401, and then push the limiting frame 402 with other types of lower molds 403 into the connecting groove 401, then the limiting clamping block 405 is rotated towards the position of the limiting groove 404 until the limiting clamping block 405 and the limiting groove 404 are completely closed, so that the lower die 403 is convenient to take out and replace manually, the replacing speed of the die is improved, three evenly-distributed limiting sliding grooves 6 are formed in the top of the inner wall of the limiting groove 404, three evenly-distributed limiting sliding blocks 7 are fixedly connected to the bottom of the limiting frame 402, the limiting sliding blocks 7 are matched with the limiting sliding grooves 6 for use, the stability effect when the limiting frame 402 is taken out and put in is achieved, a handle 8 is fixedly connected to the front side of the limiting frame 402, a soft sleeve 9 is sleeved on the surface of the handle 8, the soft sleeve 9 is made of sponge, anti-corrosion coating is coated on the surface of the soft sleeve 9, the effect that a user can hold the limiting frame 402 is convenient to use is achieved, when the lower die 403 needs to be replaced by the injection die body 1, the user needs to rotate the limiting clamping block 405 upwards, the limiting clamping block 405 is taken out of the limiting groove 404, then the limiting frame 402 in the connecting groove 401 can be taken out, when the limiting frame 402 is taken out, the lower die 403 can be taken out together by the limiting frame 402, then a user needs to place the limiting frame 402 provided with the lower dies 403 of other types into the connecting groove 401, the limiting clamping block 405 rotates along the limiting groove 404 until the limiting clamping block 405 and the limiting groove 404 are closed, the lower die 403 can be replaced conveniently, manual replacement of the lower die 403 by the user is facilitated, and the effect of replacing the lower die 403 manually is improved.

Brief description of the use process: when the lower die 403 needs to be replaced by the injection die body 1, the user needs to upwards rotate the limiting clamping block 405, the limiting clamping block 405 is taken out of the limiting groove 404, then the limiting frame 402 in the connecting groove 401 can be taken out, when the limiting frame 402 is taken out, the limiting frame 402 can take the lower die 403 out together, then the user needs to put the limiting frame 402 provided with the lower dies 403 of other types into the connecting groove 401, then the limiting clamping block 405 rotates along the limiting groove 404 until the limiting clamping block 405 and the limiting groove 404 are closed, the replacement of the lower die 403 can be completed, the effect of facilitating manual replacement of the lower die 403 by the user is achieved, and the manual replacement speed of the lower die 403 is improved. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides an injection mold of large-scale part of high accuracy, includes injection mold body (1), supporting roof (2), cooling mechanism (3) and retooling mechanism (4), its characterized in that: cooling body (3) are including feed subassembly (301) and cooling module (302), feed subassembly (301) are including connecting cylinder (3011), go up the bottom of connecting cylinder (3011) and the top intercommunication of supporting roof (2), it has into water drawing pump (3012) to go up the top bolt on connecting cylinder (3011) right side, it has a water drawing pump (3013) to go up the bottom bolt on connecting cylinder (3011) right side, the right side of income water drawing pump (3012) and the right side of a water drawing pump (3013) all communicate connecting pipe (3014), it has drawing pump (3015) to go up the middle part bolt on connecting cylinder (3011) right side, the right side intercommunication of drawing pump (3015) has pan feeding pipe (3016).

2. A large-sized high precision component injection mold according to claim 1, wherein: the cooling assembly (302) comprises a lower connecting cylinder (3021), a cooling water pipe (3022), a material conveying pipe (3023) and an upper die (3024), the bottom of the upper connecting cylinder (3011) is communicated with the top of the lower connecting cylinder (3021), the bottom of the lower connecting cylinder (3021) is welded to the upper die (3024), the left side of the water inlet liquid pump (3012) and the left side of the water outlet liquid pump (3013) are both communicated with the cooling water pipe (3022), the left side of the liquid pump (3015) is communicated with the material conveying pipe (3023), the bottom of the material conveying pipe (3023) is communicated with the upper die (3024), and the cooling water pipe (3022) is close to the inner wall splicing of the upper die (3024) and the one side of the upper die (3024).

3. The injection mold of the large-scale part with high precision as claimed in claim 2, wherein: the bottom of roof support (2) and the top bolt of injection mold body (1), the bottom welding of roof support (2) has four even support jib (5) of distribution, the bottom of support jib (5) and the top bolt of last mould (3024) connect.

4. The injection mold of the large-scale part with high precision according to claim 1, characterized in that: die change mechanism (4) are including spread groove (401), spacing frame (402) and lower mould (403), spacing groove (404) and spacing fixture block (405), the inner wall at injection mold body (1) is seted up in spread groove (401), the inner wall and spacing frame (402) sliding connection of spread groove (401), the surface of lower mould (403) is spliced with the inner wall of spacing frame (402), the both sides at spacing frame (402) are seted up in spacing groove (404), spacing fixture block (405) rotate to be connected in one side that injection mold body (1) is close to spread groove (401), spacing fixture block (405) uses with spacing groove (404) cooperation.

5. The injection mold of the large-scale part with high precision according to claim 4, characterized in that: three evenly distributed limiting sliding grooves (6) are formed in the top of the inner wall of the limiting groove (404), three evenly distributed limiting sliding blocks (7) are welded to the bottom of the limiting frame (402), and the limiting sliding blocks (7) are matched with the limiting sliding grooves (6) in use.

6. A large-scale part of high accuracy injection mold according to claim 4, characterized in that: the front side of the limiting frame (402) is welded with a handle (8), the surface of the handle (8) is sleeved with a soft sleeve (9), the soft sleeve (9) is made of sponge, and the surface of the soft sleeve (9) is coated with anti-corrosion paint.

7. A large-sized high precision component injection mold according to claim 1, wherein: thread grooves (10) are formed in the surface of the connecting pipe (3014) and the surface of the feeding pipe (3016), and sealing rings (11) are bonded on the right side of the connecting pipe (3014) and the right side of the feeding pipe (3016).

8. The injection mold of the large-scale part with high precision as claimed in claim 2, wherein: the inner wall welding of connecting cylinder (3021) down has spacing cutting ferrule (12), the inner wall of spacing cutting ferrule (12) cup joints with condenser tube (3022) and fortune material pipe (3023) respectively.

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