CN211888975U

CN211888975U - Die fixing device for casting machine

Info

Publication number: CN211888975U
Application number: CN201922090506.7U
Authority: CN
Inventors: 曹立伟; 周乐宁; 任爱民; 姜红岩
Original assignee: Dingzhou Mengsheng Ductile Iron Co Ltd
Current assignee: Dingzhou Mengsheng Ductile Iron Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-11-10
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a mould centre gripping technical field especially relates to a mould fixing device for casting machine. Comprises a supporting frame, an adjusting base, a lock head and a clamping pre-tightening device; the middle part of the support frame is provided with a clamping pre-tightening device; the left side and the right side of the support frame are symmetrically provided with first slide ways, the rear part of the support frame is provided with a fixed plate, the front part of the support frame is provided with a second slide way, and a support is arranged on the support frame below the second slide way; the adjusting base is connected with the lower part of the support frame by screws, and a plurality of groups of positioning holes are uniformly formed in the adjusting base; the lock head is connected with the first slideway; the utility model provides a mould fixing device for casting machine can fix a position the mould and press from both sides tightly, satisfies the centre gripping of not unidimensional mould simultaneously and fixes, reduction in production cost.

Description

Die fixing device for casting machine

Technical Field

The utility model relates to a mould centre gripping technical field especially relates to a mould fixing device for casting machine.

Background

The mould, various moulds and the instrument that are used for injection moulding, blow molding, extrude, die-casting or forging and pressing shaping, smelting, punching press etc. method to obtain required product in the industrial production, in the use, because can open the movable mould and get operations such as piece, cause mould offset, the casting machine can't accurately pour into the mould middle part to influence the production of follow-up mould, simultaneously because the product size is different, the mould size that corresponds can change, need customize corresponding mounting fixture according to the condition, production cost has been improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a mould fixing device for casting machine, can fix a position the mould and press from both sides tightly, and the centre gripping that satisfies not unidimensional mould simultaneously is fixed, reduction in production cost.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a supporting frame, an adjusting base, a lock head and a clamping pre-tightening device; the middle part of the support frame is provided with a clamping pre-tightening device; the left side and the right side of the support frame are symmetrically provided with first slide ways, the rear part of the support frame is provided with a fixed plate, the front part of the support frame is provided with a second slide way, and a support is arranged on the support frame below the second slide way; the adjusting base is connected with the lower part of the support frame by screws, and a plurality of groups of positioning holes are uniformly formed in the adjusting base; the lock head is connected with the first slideway;

the clamping pre-tightening device comprises a hydraulic push rod, a swing rod and a clamping block; the bottom of the hydraulic push rod is provided with a mounting seat, and the mounting seat is connected with the positioning hole through a screw; the middle part of the swing rod is provided with a sliding hole, the sliding hole is connected with a support pin shaft, one end of the swing rod is connected with a pin shaft above the hydraulic push rod, and the other end of the swing rod is connected with the bottom of the clamping block through a pin shaft; the clamping block is connected with the second slideway.

Preferably, limiting plates are arranged on the first slide way and the second slide way.

Preferably, the lock head comprises a first clamping plate, a threaded rod and a gasket; the first clamping plate is connected with the first slideway in a sliding manner; the threaded rod is in threaded connection with the left side of the first clamping plate and penetrates through the first clamping plate; the gasket is connected with the threaded rod in a threaded mode, and the gasket is in contact with the lower side of the supporting frame.

Preferably, the first slide way is in a step shape, and the first clamping plate is matched with the first slide way in shape; the gasket is provided with a notch, and the upper part of the gasket is made of rubber.

Preferably, the clamping block comprises a main block body, a secondary plate body and a spring; the shape of the bottom of the main block body is matched with that of the second slide way, and the main block body is connected with the second slide way in a sliding manner; the secondary plate body is symmetrically provided with sliding columns, the sliding columns penetrate through the main block body, and the sliding columns are connected with the main block body in a sliding mode; the spring is sleeved with the sliding column, one end of the spring is in surface contact with the secondary plate body, and the other end of the spring is in surface contact with the main block body.

Preferably, the sliding column is connected with the main block body through a nut.

Compared with the prior art, the utility model has the advantages of it is following: 1. the lock head is matched with the first slideway, so that the specific placement position can be adjusted according to the size of the mold, and the mold is conveniently clamped; 2. the clamping block is matched with the second slide way, so that the phenomenon that the hydraulic push rod is too high in force to cause damage to the die is prevented while the die is clamped; 3. the hydraulic push rod of specification can be selected and the adjustment of fixed position is carried out according to the actual demand to the cooperation of hydraulic push rod and locating hole, is convenient for carry out centre gripping, convenient operation to not unidimensional mould.

Drawings

FIG. 1 is a schematic view of the overall structure of a mold fixing device for a casting machine;

FIG. 2 is an overall plan view of a mold fixture for a casting machine;

FIG. 3 is a schematic structural view of a clamping and pre-tightening device of a mold fixing device for a casting machine;

FIG. 4 is a view of a head of a mold fixture for a casting machine;

FIG. 5 is a view of a clamping block component of a mold fixture for a casting machine;

fig. 6 is a part view of a support frame of a mold fixing device for a casting machine.

In the figure: 1. a support frame; 2. adjusting the base; 3. a lock head; 4. clamping and pre-tightening devices; 5. a hydraulic push rod; 6. a swing rod; 7. a clamping block; 101. a first slideway; 102. a fixing plate; 103. a second slideway; 104. a support; 105. a limiting plate; 201. positioning holes; 301. a first splint; 302. a threaded rod; 303. a gasket; 304. opening the gap; 501. a mounting seat; 601. a sliding hole; 701. a main block body; 702. a secondary plate body; 703. a slide column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: referring to fig. 1 to 6, a mold fixing device for a casting machine is characterized in that: comprises a support frame 1, an adjusting base 2, a lock head 3 and a clamping pre-tightening device 4; the middle part of the support frame 1 is provided with a clamping pre-tightening device 4; the left side and the right side of the support frame 1 are symmetrically provided with first slide ways 101, the rear part of the support frame 1 is provided with a fixing plate 102, the front part of the support frame 1 is provided with a second slide way 103, and a support 104 is arranged on the support frame 1 below the second slide way 103; the adjusting base 2 is connected with the lower part of the support frame 1 through screws, and a plurality of groups of positioning holes 201 are uniformly formed in the adjusting base 2; the lock head 3 is connected with the first slideway 101; the clamping pre-tightening device 4 comprises a hydraulic push rod 5, a swing rod 6 and a clamping block 7; the bottom of the hydraulic push rod 5 is provided with a mounting seat 501, and the mounting seat 501 is connected with the positioning hole 201 through a screw; a sliding hole 601 is formed in the middle of the swing rod 6, the sliding hole 601 is connected with the support 104 through a pin shaft, one end of the swing rod 6 is connected with the upper portion of the hydraulic push rod 5 through a pin shaft, and the other end of the swing rod 6 is connected with the bottom of the clamping block 7 through a pin shaft; the clamping block 7 is connected with a second slideway 103; limiting plates 105 are arranged on the first slide way 101 and the second slide way 103; the lock head 3 comprises a first clamping plate 301, a threaded rod 302 and a gasket 303; the first clamping plate 301 is connected with the first slide way 101 in a sliding manner; the threaded rod 302 is in threaded connection with the left side of the first clamping plate 301, and the threaded rod 302 penetrates through the first clamping plate 301; the gasket 303 is in threaded connection with the threaded rod 302, and the gasket 303 is in contact with the lower surface of the support frame 1; the first slide way 101 is in a step shape, and the first clamping plate 301 is matched with the first slide way 101 in shape; the gasket 303 is provided with a notch 304, and rubber materials are arranged above the gasket 303; the clamping block 7 comprises a main block body 701, a secondary plate body 702 and a spring; the shape of the bottom of the main block body 701 is matched with that of the second slide way 103, and the main block body 701 is connected with the second slide way 103 in a sliding manner; the secondary plate body 702 is symmetrically provided with sliding columns 703, the sliding columns 703 penetrate through the main block body 701, and the sliding columns 703 are connected with the main block body 701 in a sliding manner; the spring is sleeved with the sliding column 703, one end of the spring is in surface contact with the secondary plate body 702, and the other end of the spring is in surface contact with the main block body 701; the sliding column 703 is connected with the main block 701 by a nut.

When the device is used, as shown in fig. 1, 2 and 4, the bottom of the die is contacted with the upper surface of the support frame 1, the side surface of the die is contacted with the fixing plate 102, then the position of the die is adjusted, after the position is determined, the handle on the threaded rod 302 is rotated, the gasket 303 below is separated from the contact with the support frame 1, the first clamping plate 301 is pushed to be contacted with the die, after the device is attached, the threaded rod 302 is rotated in the opposite direction to drive the gasket 303 to rotate, so that the gasket 303 is contacted and clamped with the support frame 1 again, meanwhile, because the first slide way 101 is in a step shape, the threaded rod 302 can not drive the first clamping plate 301 to rotate simultaneously in the rotating process, and the gap 304 arranged on the gasket 303 compresses the gasket 303, the gap 304 plays a role of leaving a compression space, and simultaneously plays a pre-tightening anti-loosening role by means of the elasticity of rubber after, the clamping requirements of moulds with different sizes can be met; and the limiting plate 105 avoids the situation that the lock head 3 is disengaged from the first slide way 101 in the use process.

Referring to fig. 3, 5 and 6, after the mold is fixed by the lock head 3, the hydraulic push rod 5 is started, the hydraulic push rod 5 resets to drive the swing rod 6 to move downwards in an inclined manner, the sliding hole 601 moves along the pin shaft of the bracket, so as to drive the main block 701 to move to the mold position along the second slide way 103, and thus the mold is completely fixed; in the clamping process, because the stroke of the hydraulic push rod 5 is fixed, the size of the die is not fixed, the hydraulic push rod 5 with different specifications can be adjusted by adjusting the installation position of the hydraulic push rod 5, the positioning part and the positioning part 201, and meanwhile, a certain space allowance is formed by matching the secondary plate body 702 with the spring, so that in the clamping process, the secondary plate body 702 is prevented from causing damage to the die due to overlarge clamping force on the die per se; in the installation process of the hydraulic push rod 5, the included angle between the hydraulic push rod 5 and the horizontal plane is larger than 45 degrees, and the axial line of the hydraulic push rod 5 is prevented from being superposed with the central line of the swing rod 6 in the movement process, so that a dead point position is formed, and the structure is damaged.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a mould fixing device for casting machine which characterized in that: comprises a supporting frame (1), an adjusting base (2), a lock head (3) and a clamping pre-tightening device (4); the middle part of the support frame (1) is provided with a clamping pre-tightening device (4); first slide ways (101) are symmetrically arranged on the left side and the right side of the support frame (1), a fixing plate (102) is arranged behind the support frame (1), a second slide way (103) is arranged in front of the support frame (1), and a support (104) is arranged on the support frame (1) below the second slide way (103); the adjusting base (2) is connected with the lower part of the support frame (1) through screws, and a plurality of groups of positioning holes (201) are uniformly formed in the adjusting base (2); the lock head (3) is connected with the first slideway (101);

the clamping pre-tightening device (4) comprises a hydraulic push rod (5), a swing rod (6) and a clamping block (7); the bottom of the hydraulic push rod (5) is provided with an installation seat (501), and the installation seat (501) is connected with the positioning hole (201) through a screw; a sliding hole (601) is formed in the middle of the swing rod (6), the sliding hole (601) is in pin connection with the support (104), one end of the swing rod (6) is in pin connection with the upper portion of the hydraulic push rod (5), and the other end of the swing rod (6) is in pin connection with the bottom of the clamping block (7); the clamping block (7) is connected with the second slideway (103).

2. The mold fixing device for the casting machine according to claim 1, wherein: and limiting plates (105) are arranged on the first slide way (101) and the second slide way (103).

3. The mold fixing device for the casting machine according to claim 1, wherein: the lock head (3) comprises a first clamping plate (301), a threaded rod (302) and a gasket (303); the first clamping plate (301) is connected with the first slide way (101) in a sliding manner; the threaded rod (302) is in threaded connection with the left side of the first clamping plate (301), and the threaded rod (302) penetrates through the first clamping plate (301); the gasket (303) is in threaded connection with the threaded rod (302), and the gasket (303) is in contact with the lower surface of the support frame (1).

4. The mold fixing device for the casting machine according to claim 3, wherein: the first slide way (101) is in a step shape, and the first clamping plate (301) is matched with the first slide way (101) in shape; the gasket (303) is provided with a notch (304), and the upper part of the gasket (303) is made of rubber.

5. The mold fixing device for the casting machine according to claim 1, wherein: the clamping block (7) comprises a main block body (701), a secondary plate body (702) and a spring; the bottom of the main block body (701) is matched with the second slide way (103) in shape, and the main block body (701) is connected with the second slide way (103) in a sliding manner; the secondary plate body (702) is symmetrically provided with sliding columns (703), the sliding columns (703) penetrate through the main block body (701), and the sliding columns (703) are connected with the main block body (701) in a sliding mode; the spring is sleeved with the sliding column (703), one end of the spring is in surface contact with the secondary plate body (702), and the other end of the spring is in surface contact with the main block body (701).

6. The mold fixing device for the casting machine according to claim 5, wherein: the sliding column (703) is connected with the main block body (701) by a nut.