CN210996422U

CN210996422U - Demoulding device for casting brake drum

Info

Publication number: CN210996422U
Application number: CN201922127040.3U
Authority: CN
Inventors: 华长青; 李云龙
Original assignee: Gongzhuling Magang Co ltd
Current assignee: Gongzhuling Magang Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-14
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a shedder is used in brake drum casting relates to brake hub casting field, accomplishes the problem of back drawing of patterns difficulty to current car brake hub casting, now proposes following scheme, and it includes the mounting bracket, goes up mould and lower mould, the internally mounted of mounting bracket has last mould and the lower mould that is the symmetric distribution, just the intermediate position fixed mounting of mounting bracket top inner wall has the cylinder, just the vertical fixed mounting down of piston rod of cylinder has and is horizontal mounting panel, just two sets of first engaging lugs that are the symmetric distribution are installed to the bottom of mounting panel, the top fixed mounting of going up the mould has two sets of second engaging lugs that are the symmetric distribution. The utility model discloses novel structure, and the device can be quick completion car brake hub casting mould's drawing of patterns operation to can make the stable rebound of mould in the drawing of patterns in-process, improve drawing of patterns efficiency, effectively protect the inside product of die cavity, suitable popularization.

Description

Demoulding device for casting brake drum

Technical Field

The utility model relates to a braking hub casts the field, especially relates to a shedder is used in brake drum casting.

Background

The brake drum is an important part on an automobile, the safety factor requirement is very high, the manufacturing mode of the brake drum is generally finished by casting, and the demoulding operation is difficult after the casting is finished, so in order to solve the problems, a demoulding device for casting the brake hub is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of shedder is used in brake drum casting has solved the problem of current car brake hub casting completion back drawing of patterns difficulty.

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

the utility model provides a shedder is used in brake drum casting, includes mounting bracket, last mould and lower mould, the internally mounted of mounting bracket has last mould and lower mould that is the symmetric distribution, just the intermediate position fixed mounting of mounting bracket top inner wall has the cylinder, just the piston rod of cylinder is vertical fixed mounting down to be horizontal mounting panel, just two sets of first engaging lug that is the symmetric distribution are installed to the bottom of mounting panel, the top fixed mounting of going up the mould has two sets of second engaging lugs that are the symmetric distribution, just first engaging lug with the second engaging lug matches, and is connected with the connecting rod between first engaging lug and the second engaging lug, the both sides fixed mounting of mounting panel has the first rack board that is L type, just the horizontal segment of first rack board runs through the lateral wall of mounting bracket, the vertical section of first rack board is located the outside of mounting bracket, and is parallel with the mounting bracket lateral wall, the inside all rotates and installs first toothed disc and second toothed disc, just first toothed disc with the both sides wall meshing of second toothed disc both sides wall, the inside of following its direction of slide is provided with the slider, the top fixed mounting bracket installs first toothed disc and the slider, and the first inner wall of second stripper board extends to the inner wall, and the stripper board.

Preferably, the first connecting lug and the second connecting lug are both provided with connecting holes, the central line of the connecting hole in the first connecting lug and the central line of the connecting hole in the second connecting lug are positioned on the same straight line, and the connecting holes are matched with the connecting rods.

Preferably, the circumferential side wall of the first gear plate extends to the outside of the mounting bracket, one side of the vertical section of the first rack plate close to the mounting bracket is evenly provided with toothed blocks along the height direction thereof, and the toothed blocks on the first gear plate are meshed with the toothed blocks on the first rack plate.

Preferably, the circumferential side wall of the second toothed disc extends to the inside of the sliding groove, one side, close to the second toothed disc, of the second toothed plate is uniformly provided with toothed blocks along the height direction of the second toothed disc, and the toothed blocks on the second toothed disc are meshed with the toothed blocks on the second toothed plate.

Preferably, the first stripper plate and the second stripper plate are both located between the connecting seams of the upper die and the lower die.

Preferably, the both sides of mounting bracket all are provided with the activity groove, just the activity groove with the horizontal segment of first rack board matches.

The utility model has the advantages that:

1. the connecting lugs are arranged on the mounting plate and the top end of the upper die respectively, and the connecting rod is inserted into the connecting lugs, so that the cylinder can drive the upper die to stably move when being driven.

2. Follow cylinder rebound through first rack board for two gears rotate thereupon, and drive second rack board and slider at the inside rebound of spout, thereby make the slider drive first stripper rebound, and the spacing messenger that can relax through the second stripper breaks away from with the lower mould, the quick drawing of patterns operation of accomplishing brake hub casting mould.

In conclusion, the device can be fast accomplish the drawing of patterns operation of car brake hub casting mould to can make the stable rebound of last mould in drawing of patterns process, improve drawing of patterns efficiency, effectively protect the product of die cavity inside, suitable popularization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the internal structure of the present invention.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is the structure schematic diagram of the utility model after the demolding is completed.

Reference numbers in the figures: the die comprises an installation frame, an upper die, a lower die, a mounting plate, a movable groove, a rack plate, a gear plate, a cylinder, a connecting lug, a connecting rod, a connecting lug, a stripper plate, a sliding chute, a sliding block and a sliding block, wherein the installation frame is 1, the upper die is 2, the lower die is 3, the mounting plate is 4, the movable groove is 5, the rack plate is 6, the first gear plate is 7.

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.

Refer to fig. 1-4, a demoulding device is used in casting of brake drum, including mounting bracket 1, last mould 2 and lower mould 3, the internally mounted of mounting bracket 1 has last mould 2 and lower mould 3 that is the symmetric distribution, just the intermediate position fixed mounting of 1 top inner wall of mounting bracket has cylinder 8, just cylinder 8's piston rod is vertical fixed mounting has and is horizontal mounting panel 4 down, just two sets of first connection ears 9 that are the symmetric distribution are installed to mounting panel 4's bottom, go up the top fixed mounting of mould 2 has two sets of second connection ears 11 that are the symmetric distribution, just first connection ears 9 with second connection ears 11 match, and be connected with connecting rod 10 between first connection ears 9 and the second connection ears 11, the both sides fixed mounting panel 4 has first rack bar 6 that is L type, just first rack bar 6's horizontal segment runs through the lateral wall of mounting bracket 1, the vertical section of first rack bar 6 is located mounting bracket 1's outside, and is parallel with 1 lateral wall of mounting bracket, the inside all rotates and installs first rack bar 7 and first rack bar 14 and first rack bar 7 and the horizontal segment of first rack bar 14 and the horizontal segment of mounting bracket 15 are located the equal slide bar 10 of the first rack bar 15 and the horizontal segment of the first rack bar 14 and the horizontal segment of the first rack bar 11 of the horizontal segment of the first rack bar 11 of the first rack bar 14 are located of the first rack bar 14 and the horizontal segment of the first rack bar 14 and the horizontal segment of the first vertical slide bar 9 and the horizontal segment of the first vertical slide bar 14 are located of the horizontal segment of the first vertical slide bar 6 of the horizontal segment of the first rack bar 7 of the vertical slide bar 17 of the horizontal segment of the vertical slide bar 7 of the first rack bar 14, the horizontal segment of.

The working principle is as follows: when the device is used, the connecting rods are inserted into the matched jacks on the first connecting lugs 9 at the bottom end of the mounting plate 4 and the second connecting lugs 11 at the top end of the upper die 2, so that the mounting plate 4 can be stably connected with the upper die, after the casting of an automobile brake hub is completed, and in addition, when the demolding operation is carried out, the air cylinder 8 drives the mounting plate 4 to move upwards, so that the mounting plate 4 drives the first rack plate 6 to move upwards, the tooth blocks on the first rack plate 6 are meshed with the tooth blocks on the first gear disc 7, the first gear disc 7 is driven to rotate, the tooth blocks on the first gear disc 7 are meshed with the tooth blocks on the second gear disc 14, so that the second gear disc 14 drives the second gear plate 16 to move upwards, the second gear plate 16 drives the sliding blocks 17 to move upwards in the sliding grooves 15, slider 17 drives first stripper plate 12 again for mould 2 is gone up in the first stripper plate upwards pulling, and through second stripper plate 13 to stopping of lower mould 3, makes the completion drawing of patterns operation that goes up mould 2 and lower mould 3 light, and goes up mould 2 and stabilize upward movement, can avoid going up the mould and collide the casting product at drawing of patterns in-process, thereby makes the product obtain effective protection.

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 shedder is used in brake drum casting, includes mounting bracket (1), last mould (2) and lower mould (3), its characterized in that, the internally mounted of mounting bracket (1) has last mould (2) and lower mould (3) that are the symmetric distribution, just the intermediate position fixed mounting of mounting bracket (1) top inner wall has cylinder (8), just the piston rod of cylinder (8) is vertical fixed mounting has and is horizontal mounting panel (4) down, just two sets of first engaging lug (9) that are the symmetric distribution are installed to the bottom of mounting panel (4), the top fixed mounting of going up mould (2) has two sets of second engaging lug (11) that are the symmetric distribution, just first engaging lug (9) with second engaging lug (11) match, and be connected with connecting rod (10) between first engaging lug (9) and second engaging lug (11), the both sides fixed mounting panel (4) have first rack board (6) that are L type, just the horizontal segment of first side wall (6) runs through, and the horizontal segment of first rack board (6) runs through the slider of mounting bracket (1) and the horizontal segment of the slider (17) is installed in the horizontal side wall of mounting bracket (1) and the horizontal segment of first vertical slide block (17) and the horizontal side wall (17) and the horizontal mounting bracket (17) and the horizontal side wall of the horizontal mounting bracket (17) and the horizontal mounting bracket (17) are installed, the horizontal side wall of the horizontal side wall (17) and the horizontal wall of the inner wall of the horizontal mounting bracket (17).

2. A brake drum casting demolding device, as claimed in claim 1, characterized in that the first connecting lug (9) and the second connecting lug (11) are provided with connecting holes, and the center line of the connecting hole on the first connecting lug (9) and the center line of the connecting hole on the second connecting lug (11) are located on the same straight line, and the connecting holes are matched with the connecting rod (10).

3. A brake drum casting demolding device according to claim 1, wherein the circumferential side wall of the first gear disc (7) extends to the outside of the mounting frame (1), one side of the vertical section of the first rack plate (6) close to the mounting frame (1) is evenly provided with toothed blocks along the height direction thereof, and the toothed blocks on the first gear disc (7) are meshed with the toothed blocks on the first rack plate (6).

4. The demolding device for brake drum casting as claimed in claim 1, wherein the circumferential side wall of the second toothed disc (14) extends to the inside of the sliding groove (15), the side of the second toothed plate (16) close to the second toothed disc (14) is evenly provided with toothed blocks along the height direction thereof, and the toothed blocks on the second toothed disc (14) are meshed with the toothed blocks on the second toothed plate (16).

5. A brake drum casting demolding device according to claim 1, characterized in that the first demolding plate (12) and the second demolding plate (13) are located between the connecting seams of the upper mold (2) and the lower mold (3).

6. A brake drum casting demolding device according to claim 1, characterized in that both sides of the mounting frame (1) are provided with a movable groove (5), and the movable groove (5) matches with the horizontal section of the first rack plate (6).