CN209886606U

CN209886606U - Pushing connecting rod casting mould convenient to demoulding

Info

Publication number: CN209886606U
Application number: CN201920466604.3U
Authority: CN
Inventors: 曾进; 麻波
Original assignee: Guizhou Hengsheng Foundry Technology Co Ltd
Current assignee: Guizhou Hengsheng Foundry Technology Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-01-03
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a lapse connecting rod casting mould convenient to drawing of patterns, including lower mould body, push rod portion and power portion holding are internal in the lower mould body, supreme power chamber and the push rod chamber of being equipped with are down followed to this internal, the die cavity has been seted up to the top table wall of lower mould body, push rod portion holding is in the push rod intracavity and comprises deflector and push pedal, be provided with the water cavity in the deflector, the top table wall welding of deflector has a plurality of vertical stand pipes of arranging. The utility model discloses in, the deflector is placed to the push rod intracavity in the lower mould body, runs through on the deflector to be equipped with the stand pipe that contains the annular water cavity of crossing, and the push rod in the push pedal slides from top to bottom in the stand pipe and carries out the demolding, supplies water through two water pipe head and can realize that the annular water cavity rivers that cross flow, carries out cooling to the ejector pin to reduce the action jamming of ejector pin.

Description

Pushing connecting rod casting mould convenient to demoulding

Technical Field

The utility model relates to a casting mould drawing of patterns appurtenance technical field especially relates to a lapse connecting rod casting mould convenient to drawing of patterns.

Background

The casting mould pours the melted liquid into the mould cavity, and the formed product is pushed out by the ejector core or the ejector rod after the liquid is cooled, so as to achieve the effect of demoulding.

When the formed product is subjected to mold stripping, the clamping stagnation phenomenon occurs when the ejection core is ejected due to the fact that the temperature of molten liquid is high, the mold stripping is influenced, and the mold stripping is slow due to the fact that the force of the ejection core is insufficient during mold stripping.

Therefore, the utility model provides a lapse connecting rod casting mould convenient to drawing of patterns.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the casting mould for the push connecting rod is convenient to demould in order to solve the problems of high-temperature clamping stagnation and insufficient demoulding force during the action of the ejector core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pushing connecting rod casting die convenient for demolding comprises a lower die body, a push rod part and a power part, wherein the push rod part and the power part are contained in the lower die body, a power cavity and a push rod cavity are arranged in the lower die body from bottom to top, a die cavity is formed in the top surface wall of the lower die body, the push rod part is contained in the push rod cavity and consists of a guide plate and a push plate, a water passing cavity is formed in the guide plate, a plurality of guide pipes which are vertically arranged are welded on the top surface wall of the guide plate, one end of the bottom of each guide pipe penetrates through the guide plate, an annular water cavity is formed in each guide pipe, two water passing holes communicated with the annular water cavities are formed in the water passing cavities on the outer side of each guide pipe, a plurality of matching channels corresponding to the guide pipes are formed in the bottom surface wall of the die cavity, the guide pipes are sleeved in the matching channels and are in interference fit, and two water pipe connectors communicated with, two holes of stepping down are opened to the outside side of lower mould body, the hole of stepping down is run through in water pipe head's one end clearance, the top surface wall welding of push pedal has a plurality of ejector pins that run through the stand pipe, ejector pin and stand pipe are transition fit connection.

As a further description of the above technical solution:

the bottom table wall welding of push pedal has the clearance to run through the push rod chamber bottom table wall and extends to the power shaft in the power cavity, be equipped with in the power portion with power shaft fixed connection's connecting axle, the lower terminal surface of connecting axle articulates two and power cavity bottom sliding connection's backup pad, two be equipped with the conduction lead screw that the level was arranged between the backup pad, two-way motor is installed through the bolt in one side of lower mould body, two-way motor's motor shaft clearance runs through lower mould body one side and extends to the power cavity and is connected with the one end of conduction lead screw.

As a further description of the above technical solution:

be equipped with the breach of stepping down in the backup pad, one of them it has the positive nut cover that revolves soon to close with the conduction lead screw to articulate in the breach of stepping down in the backup pad, another it has the anti-nut cover that revolves soon to close with the conduction lead screw to articulate in the breach of stepping down in the backup pad.

As a further description of the above technical solution:

two positive threads and two negative threads are arranged at the two ends of the outer side of the conducting lead screw.

As a further description of the above technical solution:

the bottom in power chamber has seted up the direction spout, the bottom of backup pad has the leading wheel through bolted connection, leading wheel and direction spout horizontal sliding connection.

As a further description of the above technical solution:

and a motor shaft of the bidirectional motor is fixedly connected with one end of the transmission lead screw through the transmission flexible shaft.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the deflector is placed to the push rod intracavity in the lower mould body, runs through on the deflector to be equipped with the stand pipe that contains the annular water cavity of crossing, and the push rod in the push pedal slides from top to bottom in the stand pipe and carries out the demolding, supplies water through two water pipe head and can realize that the annular water cavity rivers that cross flow, carries out cooling to the ejector pin to reduce the action jamming of ejector pin.

2. The utility model discloses in, be equipped with two type of falling V backup pads in the power portion, two backup pads realize subtend and reverse motion through the effect of the positive screw thread and the anti-thread of revolving on the conduction lead screw to realize that the connecting axle drives the push pedal up-and-down motion, realize the drawing of patterns action, this kind of structure is laborsaving, and transmission power is big.

Drawings

Fig. 1 is a schematic structural view of a pushing connecting rod casting mold convenient for demolding according to the present invention;

fig. 2 is a schematic view of a push rod part structure of a push rod casting mold convenient for demolding according to the present invention;

fig. 3 is a schematic structural view of a power portion of the pushing connecting rod casting mold convenient for demolding.

Illustration of the drawings:

1. a lower die body; 2. a push rod part; 3. a power section; 4. a power cavity; 5. a push rod cavity; 6. a mold cavity; 7. a guide plate; 8. pushing the plate; 9. a water passing cavity; 10. a guide tube; 11. an annular water chamber; 12. water passing holes; 13. a water pipe joint; 14. a top rod; 15. a power shaft; 16. a connecting shaft; 17. a support plate; 18. a conductive lead screw; 19. a positive rotation nut sleeve; 20. reversely rotating the nut sleeve; 21. a guide chute; 22. a guide wheel; 23. a flexible transmission shaft; 24. a bi-directional motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pushing connecting rod casting die convenient for demolding comprises a lower die body 1, a push rod part 2 and a power part 3, wherein the push rod part 2 and the power part 3 are accommodated in the lower die body 1, the lower die body 1 is internally provided with a power cavity 4 and a push rod cavity 5 from bottom to top, the top surface wall of the lower die body 1 is provided with a die cavity 6, the push rod part 2 is accommodated in the push rod cavity 5 and consists of a guide plate 7 and a push plate 8, the guide plate 7 is internally provided with a water passing cavity 9, the top surface wall of the guide plate 7 is welded with a plurality of guide pipes 10 which are vertically arranged, one end of the bottom of each guide pipe 10 penetrates through the guide plate 7, the guide pipes 10 are internally provided with an annular water cavity 11, the outer side of each guide pipe 10 is positioned in the water passing cavity 9 and is provided with two water passing holes 12 communicated with the annular water cavity 11, the bottom surface wall of the die cavity 6 is provided with a plurality of matching, two water pipe connectors 13 communicated with the water passing cavity 9 are welded on the outer side of the guide plate 7, two abdicating holes are formed in the outer side of the lower die body 1, one end of each water pipe connector 13 penetrates through the abdicating holes in a clearance mode, a plurality of ejector rods 14 penetrating through the guide pipes 10 are welded on the top surface wall of the push plate 8, and the ejector rods 14 and the guide pipes 10 are in transition fit connection.

Specifically, as shown in fig. 1 and 3, a power shaft 15 is welded on the bottom surface wall of the push plate 8, the power shaft 15 penetrates through the bottom surface wall of the push rod cavity 5 in a clearance mode and extends into the power cavity 4, a connecting shaft 16 fixedly connected with the power shaft 15 is arranged on the power portion 3, two supporting plates 17 are hinged to the lower end face of the connecting shaft 16 and slidably connected with the bottom of the power cavity 4, a horizontally arranged conduction screw 18 is arranged between the two supporting plates 17, a bidirectional motor 24 is installed on one side of the lower die body 1 through a bolt, and a motor shaft clearance of the bidirectional motor 24 penetrates through one side of the lower die body 1 and extends into the power cavity 4 and is connected with one end of the conduction screw.

Specifically, as shown in fig. 3, the support plates 17 are provided with abdicating notches, a forward-rotating nut sleeve 19 which is screwed through the conductive screw 18 is hinged in the abdicating notch of one support plate 17, and a reverse-rotating nut sleeve 20 which is screwed through the conductive screw 18 is hinged in the abdicating notch of the other support plate 17.

Specifically, as shown in fig. 3, two forward threads and two backward threads are provided at two ends of the outside of the lead screw 18.

Specifically, as shown in fig. 3, a guide chute 21 is formed at the bottom of the power cavity 4, a guide wheel 22 is connected to the bottom of the support plate 17 through a bolt, and the guide wheel 22 and the guide chute 21 are connected in a left-right sliding manner.

Specifically, as shown in fig. 1, a motor shaft of the bidirectional motor 24 is fixedly connected to one end of the conductive screw 18 through the flexible transmission shaft 23.

The working principle is as follows: when the device is used, the bidirectional motor 24 rotates to drive the transmission screw 18 to rotate by driving the transmission flexible shaft 23, the two support plates 17 move oppositely due to the interaction of the forward threads and the backward threads at the two ends of the transmission screw 18 and the forward nut sleeve 19 and the backward nut sleeve 20, the guide wheel 22 at the bottom of the support plate 17 rolls in the guide chute 21, the connecting shaft 16 drives the push plate 8 to ascend through the power shaft 15, the ejector rod 14 relatively ascends in the guide pipe 10 to eject the forming die, meanwhile, the two water pipe connectors 13 are connected with the cooling water pipeline, and cooling water enters the annular water cavity 11 in the guide pipe 10 through the water passing cavity 9 on the guide plate 7 and is in a circulating state, so that the ejector rod 14 in the guide pipe 10 can be circularly cooled, the temperature of the ejector rod 14 is reduced, and the clamping stagnation phenomenon is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lapse connecting rod casting mould convenient to drawing of patterns, includes lower mould body (1), push rod portion (2) and power portion (3) holding are in lower mould body (1), its characterized in that, supreme power chamber (4) and push rod chamber (5) are equipped with down in lower mould body (1), die cavity (6) have been seted up to the top surface wall of lower mould body (1), push rod portion (2) holding is in push rod chamber (5) and comprises deflector (7) and push pedal (8), be provided with in deflector (7) and cross water cavity (9), the top surface wall welding of deflector (7) has a plurality of vertical stand pipes (10) of arranging, deflector (10) bottom one end runs through deflector (7), be equipped with annular water cavity (11) in deflector (10), the outside side position of deflector (10) crosses two water holes (10) of crossing that have seted up intercommunication annular water cavity (11) in crossing water cavity (9) (12) The utility model discloses a die cavity, the corresponding cooperation passageway of a plurality of stand pipes (10) has been seted up to the bottom table wall of die cavity (6), stand pipe (10) cover is established in the cooperation passageway and is interference fit, two water pipe head (13) of water chamber (9) are crossed in the intercommunication to the outside side welding of deflector (7), the outside side of lower mould body (1) is opened and is equipped with two holes of stepping down, the hole of stepping down is run through in the one end clearance of water pipe head (13), the top table wall welding of push pedal (8) has a plurality of ejector pins (14) of running through stand pipe (10), ejector pin (14) and stand pipe (10) are transition fit and connect.

2. The pushing connecting rod casting mold convenient to demold as recited in claim 1, wherein a power shaft (15) penetrating through the bottom surface wall of the push rod cavity (5) with a gap and extending into the power cavity (4) is welded on the bottom surface wall of the push plate (8), a connecting shaft (16) fixedly connected with the power shaft (15) is arranged on the power portion (3), two supporting plates (17) slidably connected with the bottom of the power cavity (4) are hinged on the lower end surface of the connecting shaft (16), a horizontally arranged conduction lead screw (18) is arranged between the two supporting plates (17), a bidirectional motor (24) is installed on one side of the lower mold body (1) through a bolt, and a motor shaft gap of the bidirectional motor (24) penetrates through one side of the lower mold body (1) and extends into the power cavity (4) and is connected with one end of the conduction lead screw (18).

3. The casting mold for the pushing connecting rod convenient for demolding as claimed in claim 2, wherein the supporting plates (17) are provided with abdicating notches, one of the abdicating notches in the supporting plates (17) is hinged with a forward-rotating nut sleeve (19) which is screwed with the conducting screw rod (18) in a penetrating manner, and the other of the abdicating notches in the supporting plates (17) is hinged with a reverse-rotating nut sleeve (20) which is screwed with the conducting screw rod (18) in a penetrating manner.

4. A push link casting mould facilitating demoulding according to claim 2, wherein the outer side of the lead screw (18) is provided with two forward and reverse threads at both ends.

5. A pushing connecting rod casting mould convenient for demoulding as claimed in claim 2, wherein the bottom of the power cavity (4) is provided with a guide chute (21), the bottom of the support plate (17) is connected with a guide wheel (22) through a bolt, and the guide wheel (22) and the guide chute (21) are connected in a left-right sliding manner.

6. A push connecting rod casting mould convenient for demoulding as claimed in claim 2, wherein the motor shaft of the bidirectional motor (24) is fixedly connected with one end of the conductive screw (18) through the transmission flexible shaft (23).