CN210061789U

CN210061789U - Injection mold convenient to dismouting water pump impeller

Info

Publication number: CN210061789U
Application number: CN201920747432.7U
Authority: CN
Inventors: 孙其义
Original assignee: Nanjing Longyu Electronic Technology Co Ltd
Current assignee: Nanjing Longyu Electronic Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-14
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an injection mold convenient to dismouting water pump impeller uses in injection mold's technical field, and its technical scheme main points are: the die comprises a die body, a lower female die and an upper male die matched with the lower female die, wherein the lower female die is preset in a fixing seat of the die body, a placing groove is formed in the fixing seat, a first hydraulic cylinder for driving the upper male die to move is installed on a top cover of the die body, a second hydraulic cylinder for ejecting a module out of the lower female die is installed in the die body, a third hydraulic cylinder for pushing the module in the lower female die into the placing groove is installed on the side wall of the die body, a blade for grinding flaws on the surface of the module is arranged in the die body, and a driving assembly for driving a mounting plate to move is arranged in the die body; has the technical effects that: an operator does not need to manually take out the module from the lower concave membrane for grinding, and the working efficiency is improved.

Description

Injection mold convenient to dismouting water pump impeller

Technical Field

The utility model relates to an injection mold's technical field, in particular to injection mold convenient to dismouting water pump impeller.

Background

Most of the prior impellers used for the water pump are made of plastic, and the melted plastic is injected into a mold cavity through injection molding, cooled and then demoulded and molded. Chinese patent with publication number CN208197408U discloses an injection mold of water pump impeller convenient to dismouting, which comprises a mold main body, bracing piece and standing groove, the inside of mould main body is provided with first hydraulic cylinder, and the top of first hydraulic cylinder is fixed with the mounting, the motor is installed in the left side of mounting, and the top of motor is connected with first axis of rotation, the top of first axis of rotation is fixed with the rolling disc, coaxial rigid coupling has the blade on the rolling disc, the surperficial right side of mould main body is provided with the fixed orifices, and the left side of fixed orifices is connected with the second axis of rotation, settle the upper left side of second axis of rotation has lower die, the top of mould main body is provided with the top cap, and the internally mounted of top cap has second hydraulic cylinder.

However, the injection mold of the water pump impeller convenient to disassemble and assemble needs an operator to take the module out of the lower concave die and put the module into the placing groove by hand after the module is subjected to injection molding, and the first motor is started to drive the rotating disc and the blade to grind flaws on the surface of the mold after the cover is covered on the groove cover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection mold convenient to dismouting water pump impeller, its advantage: the efficiency of carrying out injection moulding and abrasive machining to the module has been improved.

The above technical purpose of the present invention can be achieved by the following technical solutions: an injection mold convenient for dismounting a water pump impeller comprises a mold body, wherein a lower female mold and an upper male mold matched with the lower female mold are arranged in the mold body, a fixed seat is fixedly connected in the mold body along the horizontal direction, the lower female mold is preset in the fixed seat, the upper surface of the lower female mold and the upper surface of the fixed seat are positioned on the same horizontal plane, a placing groove used for containing an injection molding module is formed in the fixed seat, a top cover is fixedly arranged above the lower female mold of the mold body, a first hydraulic cylinder used for driving an upper male mold to move is arranged on one side of the top cover facing the lower female mold, the upper male mold is fixedly connected to the output end of the first hydraulic cylinder, a second hydraulic cylinder used for ejecting the injection molding module out of the lower female mold is arranged below the fixed seat in the mold body, and a third hydraulic cylinder used for pushing the injection molding module into the placing groove is arranged on the side wall of the mold body, the mounting panel has set firmly in the mould body in the top of standing groove, install first motor on the mounting panel, the output of first motor is worn to establish the mounting panel and coaxial coupling has the blade that is used for the grinding module, this internal drive assembly who is used for driving the mounting panel and removes in vertical direction that is equipped with of mould.

Through the technical scheme, in operation, the module is injection moulding between die and the last terrace die down, then first pneumatic cylinder drive goes up the terrace die and moves away from the lower die, then the second pneumatic cylinder is ejecting from injection moulding's module in the lower die, the output of third pneumatic cylinder stretches out after that, make in the module is pushed the standing groove on the fixing base, then the mounting panel moves towards the standing groove under drive assembly's drive in, until the blade contacts with the module in the standing groove, first motor drive blade grinds the surface of module after that, the smoothness on module surface has been guaranteed. By the arrangement, after the grinding block is injection molded between the upper male die and the lower female die, an operator does not need to manually take the module out of the lower female die and put the module into the placing groove for grinding the blade, and the working efficiency is improved.

The utility model discloses further set up to: the drive assembly comprises a fourth hydraulic cylinder, the fourth hydraulic cylinder is installed on one side, facing the fixing seat, of the top cover, and the output end of the fourth hydraulic cylinder is fixedly connected to one side, deviating from the fixing seat, of the mounting plate.

Through above-mentioned technical scheme, after injection moulding's module was pushed the standing groove by the third pneumatic cylinder in, fourth pneumatic cylinder drive mounting panel removed towards the standing groove, and until the blade is inconsistent with the module in the standing groove, first motor drive blade carries out the grinding to the surface of module after that, and easy operation is convenient.

The utility model discloses further set up to: the driving assembly comprises a rack and a gear meshed with the rack and connected with the rack, a second motor is installed in the die body, the output end of the second motor is coaxially connected with the gear, and one side of the rack, which deviates from the gear, is vertically and fixedly connected with the mounting plate.

Through above-mentioned technical scheme, after injection moulding's module was pushed in the standing groove by the third pneumatic cylinder, the second motor drives gear synchronous revolution, then the gear drives the rack and removes towards the standing groove for the mounting panel and the blade that links to each other with the mounting panel remove towards the standing groove so that the blade grinds the module in the standing groove. By the arrangement, automatic grinding of the module is realized, and the operation is simple and convenient.

The utility model discloses further set up to: the tip rigid coupling of the output of second pneumatic cylinder has the thimble, heavy groove has been seted up on the inner wall of die down, the joint has the top piece in the heavy groove, the top piece is filled totally in heavy groove and is located the coplanar with the inner wall of die down, lower die and top piece fixed connection are worn to establish by the one end that the output of second pneumatic cylinder was kept away from to the thimble.

Through the technical scheme, after the module is subjected to injection molding between the lower concave die and the upper convex die, the upper convex die is far away from the lower concave die, then the output end of the second hydraulic cylinder stretches out, so that the ejector pin stretches out of the lower concave die, and then the top sheet connected to the top of the ejector pin ejects the module out of the lower concave die. The top plate is arranged, so that the contact area between the ejector pins and the module is increased, the stability of the module ejected out of the lower concave die by the ejector pins is increased, and the module is ejected out of the lower concave die by the ejector pins conveniently.

The utility model discloses further set up to: the inserting groove is formed in the periphery of the placing groove at one side, facing the mounting plate, of the fixing seat, and a rubber column matched with the inserting groove is fixedly connected to one side, facing the fixing seat, of the mounting plate.

Through the technical scheme, when the mounting plate moves towards the lower female die under the driving of the driving assembly, the rubber columns are correspondingly inserted into the insertion grooves. Because the rubber column has elasticity, when the blade contacts with the module in the standing groove, provide stable holding power for the contact between blade and the module for keep stable contact between the surface of blade and module, thereby guaranteed the blade and carried out the quality of grinding to the module. Because the rubber column has elasticity, when the blade is inconsistent with the module, the rubber column is extruded by the mounting plate and provides an elastic buffering force, and the possibility of easy damage caused by larger force on the module is reduced.

The utility model discloses further set up to: a plurality of support columns are fixedly supported between the top cover and the fixing seat, and are uniformly distributed on the periphery of the lower concave die.

Through above-mentioned technical scheme, the effect of support has been played between top cap and the fixing base to the setting of support column, has strengthened the stability of connecting between top cap and the fixing base to be favorable to improving this injection mold overall structure's stability.

The utility model discloses further set up to: the output end rigid coupling of first pneumatic cylinder has the balancing weight, go up terrace die fixed connection in the balancing weight deviate from one side of the output of first pneumatic cylinder, the periphery rigid coupling of balancing weight has the sleeve, the sleeve cover is established on the support column.

Through the technical scheme, when the output end of the first hydraulic cylinder drives the upper male die to move in the vertical direction, the sleeve on the upper male die moves in the vertical direction of the support column, the upper male die is guided to move in the vertical direction, and the stability of the upper male die in the movement in the vertical direction is guaranteed.

The utility model discloses further set up to: and a blower used for blowing towards the lower female die is installed on one side, facing the fixed seat, of the top cover.

Through the technical scheme, when the upper male die is moved away from the lower female die, the blower blows towards the cooling formed module, the module cooling speed is accelerated, the module is cooled and formed quickly, and the production and processing efficiency of the module is improved.

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

1. the injection molding module is taken out of the lower concave die and placed into the placing groove for grinding of the blade without an operator, so that the working efficiency is improved;

2. the upper male die and the lower male die are stably matched with each other, so that the production quality of the module is ensured.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic structural view of a sink and a top sheet for embodying the sink in example 1.

Fig. 3 is a schematic structural view of the module and the blade for embodying the placement of the groove in embodiment 1.

Fig. 4 is a schematic structural diagram of the socket and the rubber column used for embodying the fixing base in embodiment 1.

FIG. 5 is a schematic view of the entire structure of embodiment 2.

Reference numerals: 1. a mold body; 2. a lower concave die; 3. an upper male die; 4. a fixed seat; 5. a placement groove; 6. a top cover; 7. a first hydraulic cylinder; 8. a second hydraulic cylinder; 9. a third hydraulic cylinder; 10. mounting a plate; 11. a first motor; 12. a blade; 13. a drive assembly; 14. a fourth hydraulic cylinder; 15. a gear; 16. a rack; 17. a second motor; 18. a thimble; 19. sinking a groove; 20. a topsheet; 21. inserting grooves; 22. a rubber column; 23. a support pillar; 24. a balancing weight; 25. a sleeve; 26. a blower; 27. a module; 28. a push plate.

Detailed Description

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

Example 1: an injection mold convenient to dismouting water pump impeller, refers to fig. 1, includes mould body 1, is equipped with lower die 2 and the last matrix 3 with lower die 2 looks adaptation in the mould body 1, and during processing, module 27 (fig. 3) is injection moulding between lower die 2 and last matrix 3.

Referring to fig. 1, a fixing seat 4 is welded in a die body 1 along the horizontal direction, a lower female die 2 is preset in the fixing seat 4, the upper surface of the lower female die 2 and the upper surface of the fixing seat 4 are located on the same horizontal plane, a top cover 6 is fixedly arranged above the lower female die 2 by the die body 1, and a first hydraulic cylinder 7 used for driving the upper male die 3 to move is installed on one side of the lower female die 2, facing the top cover 6. The upper male die 3 is connected with the output end of the first hydraulic cylinder 7, the counterweight block 24 is welded at the output end of the first hydraulic cylinder 7, and the upper male die 3 is welded at one side of the counterweight block 24 deviating from the output end of the first hydraulic cylinder 7. A plurality of support columns 23 are fixedly supported between the top cover 6 and the fixed seat 4, and two ends of each support column 23 are welded on one side, opposite to the top cover 6 and the fixed seat 4, of each support column.

Referring to fig. 1, a plurality of support columns 23 are uniformly distributed on the periphery of the lower female die 2, a sleeve 25 is welded on the periphery of the counterweight block 24, and the sleeve 25 is sleeved on the support columns 23. During processing, the output end of the first hydraulic cylinder 7 extends out, so that the balancing weight 24 and the upper male die 3 connected to the output end of the first hydraulic cylinder 7 move towards the lower female die 2 until the upper male die 3 corresponds to the lower female die 2, and at the moment, the module 27 (shown in fig. 3) is formed between the upper male die 3 and the lower female die 2 in an injection molding mode. In the process that the balancing weight 24 moves, the sleeve 25 on the balancing weight 24 moves along the vertical direction of the supporting column 23, so that the balancing weight 24 and the supporting column 23 are guided, and the accuracy corresponding to the upper male die 3 and the lower female die 2 is ensured. The side of the top cover 6 facing the fixed seat 4 is provided with a blower 26 for blowing air towards the lower female die 2, after the module 27 is injection molded between the upper male die 3 and the lower female die 2, the first hydraulic cylinder 7 drives the upper male die 3 to move away from the lower female die 2, and then the blower 26 blows air towards the module 27 in the lower female die 2, so that the module 27 is rapidly cooled, and the processing efficiency is improved.

Referring to fig. 2, a second hydraulic cylinder 8 for ejecting an injection molding module 27 (fig. 3) from the lower female die 2 is installed below the fixing seat 4 in the die body 1, an ejector pin 18 is coaxially welded to an end of an output end of the second hydraulic cylinder 8, a sinking groove 19 is formed in an inner wall of the lower female die 2, and the sinking groove 19 is arranged in the middle of the lower female die 2. The top plate 20 is clamped in the sinking groove 19, the top plate 20 is completely filled in the sinking groove 19 and is positioned on the same plane with the inner wall of the lower concave die 2, and one end of the ejector pin 18, which is far away from the output end of the second hydraulic cylinder 8, penetrates through the lower concave die 2 and is welded with the top plate 20. After the module 27 is injection molded in the lower concave die 2, the output end of the second hydraulic cylinder 8 extends out, so that the ejector pin 18 moves towards the lower concave die 2, the top sheet 20 is separated from the sinking groove 19 of the lower concave die 2, and the module 27 is ejected out of the lower concave die 2 at the moment.

Referring to fig. 1, a holding groove 5 for accommodating an injection molding module 27 is formed in the fixing seat 4, a third hydraulic cylinder 9 is installed on the side wall of the mold body 1, the third hydraulic cylinder 9 is arranged along the horizontal direction, and an output end of the third hydraulic cylinder 9 is fixedly connected with a push plate 28. The mounting plate 10 is fixedly arranged above the placing groove 5 in the die body 1, and a driving assembly 13 for driving the mounting plate 10 to move in the vertical direction is arranged in the die body 1. Drive assembly 13 includes fourth pneumatic cylinder 14, and fourth pneumatic cylinder 14 is installed in top cap 6 one side towards fixing base 4, and fourth pneumatic cylinder 14's output fixed connection deviates from one side of fixing base 4 at mounting panel 10.

Referring to fig. 1 and 3, a first motor 11 is mounted on the mounting plate 10, and an output end of the first motor 11 penetrates through the mounting plate 10 and is coaxially connected with a blade 12 for a grinding module 27. When the injection-molded module 27 is ejected out of the lower concave die 2 by the top plate 20, the output end of the third hydraulic cylinder 9 extends out, so that the push plate 28 pushes the injection-molded module 27 into the placing groove 5 in the fixed seat 4, then the fourth hydraulic cylinder 14 drives the mounting plate 10 to move towards the placing groove 5 until the blade 12 contacts with the surface of the module 27, then the first motor 11 drives the blade 12 to grind the module 27, so that the surface of the module 27 is ground smoothly, and the smoothness degree of the surface of the module 27 is ensured. Inserting groove 21 (fig. 4) has been seted up in the periphery of standing groove 5 to one side of fixing base 4 towards mounting panel 10, and mounting panel 10 bonds towards one side of fixing base 4 has rubber column 22, the shape and the size and the inserting groove 21 looks adaptation of the cross section of rubber column 22. When the fourth cylinder drives the mounting plate 10 to move towards the fixing seat 4 until the blade 12 contacts with the surface of the module 27, the rubber column 22 is inserted in the insertion groove 21, and the effect of stable support is achieved.

The action process is as follows: in operation, the first hydraulic cylinder 7 drives the upper punch 3 to move towards the lower die 2, so that the module 27 is injection molded between the upper punch 3 and the lower die 2, and then the first hydraulic cylinder 7 drives the upper punch 3 to move away from the lower die 2, and the blower 26 blows air against the module 27 in the lower die 2, so that the module 27 is rapidly cooled and solidified. The output end of the second cylinder 8 is then extended so that the tip and the top plate 20 eject the module 27 from the lower die 2, and then the output end of the third cylinder 9 is extended so that the push plate 28 pushes the module 27 into the placement groove 5. The output end of the fourth hydraulic cylinder 14 is then extended, so that the mounting plate 10 moves towards the fixing base 4 until the blade 12 moves with the surface of the module 27, and then the first motor 11 drives the blade 12 to grind the surface of the module 27, so that the surface of the module 27 is kept smooth.

Example 2: referring to fig. 5, the difference from embodiment 1 is that a driving assembly 13 includes a rack 16 and a gear 15 engaged with the rack 16, a second motor 17 is installed in a mold body 1, an output end of the second motor 17 is coaxially connected with the gear 15, one side of the rack 16 departing from the gear 15 is perpendicular to a mounting plate 10, and one end of the rack 16 far away from the gear 15 is bonded on the mounting plate 10. When the injection-molded module 27 is pushed into the placing groove 5 by the pushing plate 28, the second motor 17 rotates the gear 15, so that the rack 16 moves towards the fixed seat 4, the mounting plate 10 moves towards the placing groove 5 until the blade 12 contacts with the surface of the module 27 (fig. 3), and then the first motor 11 drives the blade 12 to grind the surface of the module 27. After the surface of the module 27 is ground to be smooth by the blade 12, the second motor 17 drives the gear 15 to rotate reversely, so that the rack 16 drives the mounting plate 10 to move away from the fixed seat 4, and an operator can take the module 27 ground by the blade 12 out of the placing groove 5.

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

1. The utility model provides an injection mold convenient to dismouting water pump impeller which characterized in that: including mould body (1), be equipped with down die (2) in mould body (1) and with last terrace die (3) of die (2) looks adaptation down, there are fixing base (4) along the horizontal direction rigid coupling in mould body (1), die (2) are predetermine in fixing base (4) down, the upper surface of die (2) is located same horizontal plane with the upper surface of fixing base (4) down, offer standing groove (5) that are used for holding injection moulding's module (27) on fixing base (4), mould body (1) has set firmly top cap (6) in the top of die (2) down, first pneumatic cylinder (7) that are used for driving to go up terrace die (3) and remove are installed towards one side of die (2) down to top cap (6), go up terrace die (3) fixed connection on the output of first pneumatic cylinder (7), the below of fixing base (4) is installed in mould body (1) and is used for the module with injection moulding' s (27) From ejecting second pneumatic cylinder (8) in lower die (2), install on the lateral wall of mould body (1) and be used for advancing injection moulding's module (27) third pneumatic cylinder (9) in standing groove (5), mounting panel (10) have set firmly in the top of standing groove (5) in mould body (1), install first motor (11) on mounting panel (10), mounting panel (10) and coaxial coupling are worn to establish by the output of first motor (11) and blade (12) that are used for grinding module (27), be equipped with in mould body (1) and be used for driving drive assembly (13) that mounting panel (10) removed in vertical direction.

2. The injection mold convenient for dismounting and mounting the water pump impeller according to claim 1, is characterized in that: drive assembly (13) include fourth pneumatic cylinder (14), one side towards fixing base (4) is installed in top cap (6) in fourth pneumatic cylinder (14), the output fixed connection of fourth pneumatic cylinder (14) deviates from one side of fixing base (4) in mounting panel (10).

3. The injection mold convenient for dismounting and mounting the water pump impeller according to claim 1, is characterized in that: drive assembly (13) include rack (16) and with rack (16) meshing gear (15) of being connected, install second motor (17) in mould body (1), the output and gear (15) coaxial coupling of second motor (17), rack (16) deviate from one side of gear (15) and keep perpendicular and fixed connection with mounting panel (10).

4. The injection mold convenient for dismounting and mounting the water pump impeller according to claim 1, is characterized in that: tip rigid coupling of the output of second pneumatic cylinder (8) has thimble (18), heavy groove (19) have been seted up on the inner wall of die (2) down, it has top piece (20) to joint in heavy groove (19), top piece (20) are filled completely in heavy groove (19) and are located the coplanar with the inner wall of die (2) down, lower die (2) and top piece (20) fixed connection are worn to establish by the one end of the output of second pneumatic cylinder (8) is kept away from in thimble (18).

5. The injection mold convenient for dismounting and mounting the water pump impeller according to claim 1, is characterized in that: inserting grooves (21) are formed in the periphery of the placing groove (5) on one side, facing the mounting plate (10), of the fixing seat (4), and rubber columns (22) matched with the inserting grooves (21) are fixedly connected to one side, facing the fixing seat (4), of the mounting plate (10).

6. The injection mold convenient for dismounting and mounting the water pump impeller according to claim 1, is characterized in that: a plurality of support columns (23) are fixedly supported between the top cover (6) and the fixing seat (4), and the support columns (23) are uniformly distributed on the periphery of the lower concave die (2).

7. The injection mold convenient for assembling and disassembling the water pump impeller according to claim 6, wherein: the output rigid coupling of first pneumatic cylinder (7) has balancing weight (24), go up terrace die (3) fixed connection in balancing weight (24) the one side that deviates from the output of first pneumatic cylinder (7), the periphery rigid coupling of balancing weight (24) has sleeve (25), sleeve (25) cover is established on support column (23).

8. The injection mold convenient for dismounting and mounting the water pump impeller according to claim 1, is characterized in that: and a blower (26) used for blowing air towards the lower female die (2) is installed on one side, facing the fixed seat (4), of the top cover (6).