CN203018715U

CN203018715U - Centrifuger core frame device

Info

Publication number: CN203018715U
Application number: CN 201220727361
Authority: CN
Inventors: 张振华
Original assignee: SHANXI GUANGHUA CAST PIPE CO Ltd
Current assignee: SHANXI GUANGHUA CAST PIPE CO Ltd
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2013-06-26
Anticipated expiration: 2022-12-26

Abstract

The utility model aims at providing a centrifuger core frame device, and belongs to the technical field of water-cooling metal type centrifugal pipe casting machine production and the equipment manufacturing. The centrifuger core frame device is reasonable in structure, reliable in working and high in product percent of pass; the adopted technical scheme is as follows: a core frame is sleeved on a core frame shaft seat, the core frame shaft seat is fixed with one end of a core frame swing arm, and the other end of the core frame swing arm is arranged on an extending shaft of a core clamping device on a centrifuger; the core frame comprises a core frame disk, a core frame shaft, a spring, a sphere seat and a taper sleeve, wherein the spring is sleeved in the middle of the core frame shaft, one end of the core frame shaft is arranged in the core frame shaft seat, and the core frame disk is sleeved on the other end of the core frame shaft; and the sphere seat is sleeved on the core frame shaft and is positioned on one side of the core frame disk, close to the spring, the core frame disk is located on the sphere surface of the sphere seat, the taper sleeve is sleeved on the core frame shaft and is positioned at the other side of the core frame disk, and the taper surface of the taper sleeve is inserted into a shaft hole of the core frame disk. The device is used for the production of centrifugal nodular cast iron pipes.

Description

Centrifugal movement rack device

Technical field

The centrifugal movement rack device of the utility model belongs to the technical field that water-cooled production and equipment thereof are made.

Background technology

In Present Domestic spheroidal graphite cast-iron manufacturing enterprise, most of producers adopt water cooling to produce centrifugal ductile cast iron pipes, and the Core equipment of this production method is water-cooled.Every water-cooled all has one to put the core clamping device, and this device is to guarantee the cast tube sockets core is laid and is pressed on the bellmouth position of cast tube metal die, makes centrifugal tube casting machine guarantee the bellmouth moulding of centrifugal ductile cast iron pipes when depositing.

and on existing shape centrifugal tube casting machine the core rack device of core clamping device often because of the thrust of spring not or the heart section of the spindle nose that causes core frame axle because of factor impacts such as the alignment pin of core frame dish are loosening and core frame dish directly contact, and friction occurs with spindle nose can cause core frame dish to rotate the time in the appearance of this phenomenon and the parts such as the core frame axle of damage core rack device and nut, the inefficacy of these parts not only can cause the work of core frame dish undesired and core occurs and damage, bellmouth does not have moulding or bellmouth Forming Quality not to reach requirement and causes the cast tube that centrifugal tube casting machine waters out to become waste product, bring loss but also can cause the core rack device directly to damage to factory.

In addition, fault of construction because of existing core rack device, when the centrifugal tube casting machine depositing, sometimes because of waste residue or the residual iron that splashes easily enters the core frame dish of core rack device and the connecting portion of core frame axle causes the work of core frame dish undesired, thereby make the cast tube that centrifugal tube casting machine waters out become waste product or bellmouth defective pipe.

Therefore, improving the core rack device of existing shape centrifugal tube casting machine, is guarantee that centrifugal tube casting machine is working properly and improve the cast tube product percent of pass, improve the major action of cast tube sockets Forming Quality.

The utility model content

The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is to provide a kind of rational in infrastructure, reliable operation, centrifugal movement rack device that the production product percent of pass is high.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: centrifugal movement rack device, comprise core frame axle bed, core frame rocking arm and core frame, described core frame is sleeved on core frame axle bed, core frame axle bed is fixedly connected with an end of core frame rocking arm, and the other end of core frame rocking arm is arranged on the projecting shaft of core clamping device on centrifuge;

Described core frame comprises core frame dish, core frame axle and spring, the intermediate sleeve of core frame axle is equipped with spring, one end of core frame axle is arranged in core frame axle bed by bearing, the other end of core frame axle is set with core frame dish and the end is fastening fixing by clamp nut, the core frame also includes ball seat and cone cover, described ball seat is sleeved on core frame axle and is positioned at core frame dish near a side of spring, the core frame is sat crosslegged and is dropped on the sphere of ball seat, described cone cover is sleeved on core frame axle and is positioned at the opposite side of core frame dish, and the conical surface of cone cover inserts in the axis hole of core frame dish.

The spindle nose of described core frame axle is equipped with the cover plate that covers core frame dish axis hole.

Described core frame axle is radially fixing by two deep groove ball bearings and core frame axle bed, and core frame axle is by a thrust ball bearing and core frame axle bed axial restraint.

The utility model is compared with prior art has following beneficial effect.

1, the axis hole that when cone that the utility model is arranged on core frame dish one side is enclosed within off working state, the conical surface inserts core frame dish plays restriction to it, when work, core is exerted pressure to core frame dish and is made it break away from the cone cover, guarantee that core frame dish is with the core flexible rotating, the opposite side of core frame dish is equipped with ball seat, the core frame is sat crosslegged and can be guaranteed that core frame dish compresses the cast tube sockets core all the time on the sphere that drops on ball seat, the concentric rotation of holding core frame dish and core, rational in infrastructure, reliable operation, failure rate is low, the stable rotation of core frame dish also makes core frame axle avoid occurring flexural deformation simultaneously, serviceability and the service life of core frame axle have been improved, guaranteeing product quality, extended service life when reducing costs.

2, the utility model is equipped with at the spindle nose of core frame axle the cover plate that covers core frame dish axis hole, the residual iron of avoiding waste residue or splashing enters the connecting portion of core frame dish and core frame axle and causes the work of core frame dish undesired, improve the cast tube qualification rate, extended service life of the present utility model.

3, between core frame axle of the present utility model and core frame axle bed except being equipped with two deep groove ball bearings radially fix, also increased a thrust ball bearing and carried out axial restraint, improved the installation accuracy of core frame axle.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model SMIS frame.

In figure: 1 is core frame axle bed, and 2 is core frame rocking arm, and 3 is the core frame, and 4 is deep groove ball bearing, and 5 is core frame dish, 6 is ball seat, and 7 is the cone cover, and 8 is core frame axle, and 9 is spring, and 10 is cover plate, 11 is thrust ball bearing, and 12 is centrifuge, and 13 is pipe die, and 14 is clamp nut, and 15 is core.

The specific embodiment

As shown in Figure 1 and Figure 2, the centrifugal movement rack device of the utility model, comprise core frame axle bed 1, core frame rocking arm 2 and core frame 3, described core frame 3 is sleeved on core frame axle bed 1, core frame axle bed 1 is fixedly connected with an end of core frame rocking arm 2, and the other end of core frame rocking arm 2 is arranged on the projecting shaft of core clamping device on centrifuge;

described core frame 3 comprises core frame dish 5, core frame axle 8 and spring 9, the intermediate sleeve of core frame axle 8 is equipped with spring 9, one end of core frame axle 8 is arranged in core frame axle bed 1 by bearing, the other end of core frame axle 8 is set with core frame dish 5 and the end is fastening fixing by clamp nut 14, core frame 3 also includes ball seat 6 and cone cover 7, described ball seat 6 is sleeved on core frame axle 8 and is positioned at core frame dish 5 near a side of spring 9, core frame dish 5 is seated on the sphere of ball seat 6, described cone cover 7 is sleeved on core frame axle 8 and is positioned at the opposite side of core frame dish 5, the conical surface of cone cover 7 inserts in the axis hole of core frame dish 5.

The spindle nose of described core frame axle 8 is equipped with the cover plate 10 that covers core frame dish 5 axis holes.

Described core frame axle 8 is radially fixing by two deep groove ball bearings 4 and core frame axle bed 1, and core frame axle 8 is by a thrust ball bearing 11 and core frame axle bed 1 axial restraint.

Described core frame dish 5 manufactures plurality of specifications by the centrifugal ductile cast iron pipes model of producing, and when centrifuge 12 is poured into a mould production, can select according to the model of processed centrifugal ductile cast iron pipes.

Described cone cover 7, ball seat 6, core frame axle 8 and core frame axle bed 1 are core frame dish 5 groupings by plurality of specifications, do several specifications by assembly, select according to the centrifugal ductile cast iron pipes model that centrifuge 12 is produced.

Described spring 9 is to prepare by the desired thrust of core 15, when centrifuge 12 is poured into a mould production, can select corresponding spring 9 according to the model of processed centrifugal ductile cast iron pipes.

Described core frame rocking arm 2 is prior art.

Operation principle of the present utility model is summarized as follows:

At first, after the condition of work of centrifuge 12 possesses, manually core 15 is placed on the core frame dish 5 of core frame 3;

Secondly, operating personnel start core clamping device on centrifuge, the projecting shaft of this device is swinging into core frame 3 on the center of centrifuge 12 by Driven by Hydraulic Cylinder first " rotation " drive core frame rocking arm 2, then the projecting shaft of this device is subjected to Driven by Hydraulic Cylinder " retraction " to drive core frame 3 core 15 is pressed on the bellmouth end of pipe die 13 again, and core 15 was exerted pressure to core frame dish 5 and made its holddown spring 9 and break away from cone cover 7 this moment;

Again, starting centrifuge 12 rotates, make pipe die 13 begin to rotate and drive core 15 and core frame 3 rotates with one heart, start subsequently the depositing mode of operation of centrifuge 12, pipe dies 13 in centrifuge 12 will remain High Rotation Speed until depositing finishes, and the core 15 and the core frame dish 5 that are pressed in this moment on pipe die 13 bellmouth ends also will keep the synchronous high-speed rotation with pipe die 13;

At last, after centrifuge 12 depositings finish, on centrifuge, the core clamping device starts automatically, the projecting shaft of this device is subjected to Driven by Hydraulic Cylinder to drive core frame 3 " to withdraw from " together, then the projecting shaft of this device is subjected to Driven by Hydraulic Cylinder " rotation " to drive core frame rocking arm 2 core frame 3 is shown from the center of centrifuge 12 again, and pipe die 13 stops operating subsequently, and centrifuge 12 is returned to original state, start drawbench the moulding cast tube in pipe die 13 is extracted, a cast tube is poured.

Manually again cast tube sockets core 15 is placed on the core frame dish 5 of core frame 3, repeats aforesaid operations, can proceed the cast of next cast tube.

The above has done detailed description to embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skills possess, can also make various variations under the prerequisite that does not break away from the utility model aim.

Claims

1. centrifugal movement rack device, comprise core frame axle bed (1), core frame rocking arm (2) and core frame (3), described core frame (3) is sleeved on core frame axle bed (1), core frame axle bed (1) is fixedly connected with an end of core frame rocking arm (2), and the other end of core frame rocking arm (2) is arranged on the projecting shaft of core clamping device on centrifuge;

described core frame (3) comprises core frame dish (5), core frame axle (8) and spring (9), the intermediate sleeve of core frame axle (8) is equipped with spring (9), one end of core frame axle (8) is arranged in core frame axle bed (1) by bearing, the other end of core frame axle (8) is set with core frame dish (5) and the end is fastening fixing by clamp nut (14), it is characterized in that: core frame (3) also includes ball seat (6) and cone cover (7), described ball seat (6) is sleeved on core frame axle (8) and goes up and be positioned at core frame dish (5) near a side of spring (9), core frame dish (5) is seated on the sphere of ball seat (6), described cone cover (7) is sleeved on the opposite side that core frame dish (5) was gone up and be positioned to core frame axle (8), the conical surface of cone cover (7) inserts in the axis hole of core frame dish (5).

2. centrifugal movement rack device according to claim 1, it is characterized in that: the spindle nose of described core frame axle (8) is equipped with the cover plate (10) that covers core frame dish (5) axis hole.

3. centrifugal movement rack device according to claim 1 and 2, it is characterized in that: described core frame axle (8) is radially fixing by two deep groove ball bearings (4) and core frame axle bed (1), and core frame axle (8) is by a thrust ball bearing (11) and core frame axle bed (1) axial restraint.