阅读说明：本技术 一种用于离心铸管机的离心主机 (Centrifugal main machine for centrifugal pipe casting machine ) 是由 吴灵 徐砚琛 于 2019-08-29 设计创作，主要内容包括：本发明涉及一种用于离心铸管机的离心主机,属于机械设备领域。本发明包括主机底座,其结构特点在于：还包括对管模起到支撑作用、并驱动管模转动的托轮装置,以及用于限制管模在转动过程中沿管模轴线移动的挡轮装置,所述托轮装置和挡轮装置均安装在主机底座上,所述托轮装置与挡轮装置配合。(The invention relates to a centrifugal main machine for a centrifugal pipe casting machine, and belongs to the field of mechanical equipment. The invention comprises a host base, which is characterized in that: the pipe die rotation limiting device comprises a main machine base, a pipe die and a pipe die, and is characterized by further comprising a riding wheel device which plays a supporting role for the pipe die and drives the pipe die to rotate, and a blocking wheel device which is used for limiting the pipe die to move along the axis of the pipe die in the rotation process, wherein the riding wheel device and the blocking wheel device are both installed on the main machine base, and the riding wheel device is matched with the blocking wheel device.)

1. A centrifugal master for a centrifugal pipe-casting machine, comprising a master base (E1), characterized in that: still include to play supporting role to the pipe mould and drive pipe mould pivoted riding wheel device (E2) to and be used for restricting pipe mould and keep off wheel device (E3) along pipe mould axis removal in the rotation process, riding wheel device (E2) and fender wheel device (E3) are all installed on host computer base (E1), riding wheel device (E2) and fender wheel device (E3) cooperation.

2. The centrifuge mainframe for a centrifugal tube-casting machine of claim 1, wherein: the riding wheel device (E2) comprises a riding wheel base (E21) and a riding wheel body (E22), wherein the riding wheel base (E21) is installed on a main machine base (E1), and the riding wheel body (E22) is installed on a riding wheel base (E21); and/or; the riding wheel base (E21) is of an integrated structure.

3. The centrifugal master for a centrifugal pipe caster of claim 2, wherein: the riding wheel body (E22) is in contact with the outer wall of the pipe die.

4. The centrifugal master for a centrifugal pipe caster of claim 2, wherein: the riding wheel device (E2) comprises a riding wheel driving motor (E23), and the riding wheel driving motor (E23) is connected with the riding wheel body (E22).

5. The centrifuge mainframe for a centrifugal tube-casting machine of claim 1, wherein: catch wheel device (E3) includes catch wheel base (E31) and catch wheel body (E32), catch wheel base (E31) are installed on host computer base (E1), catch wheel body (E32) are installed on catch wheel base (E31).

6. The centrifuge mainframe for a centrifugal tube-casting machine of claim 5, wherein: a pipe die limiting groove (E33) is installed at the socket end of the pipe die, and the catch wheel body (E32) is located in the pipe die limiting groove (E33).

7. The centrifuge mainframe for a centrifugal tube-casting machine of claim 1, wherein: the female end of pipe die installs pressure core hook (D) that is used for compressing tightly the psammitolite, pressure core hook (D) is including hook seat (D1), coupler body (D2), canceling release mechanical system (D3) and fixed pin axle (D4), the female end at the pipe die is installed in hook seat (D1), the coupler body (D2) is installed on hook seat (D1) through fixed pin axle (D4), the one end and the coupler body (D2) of canceling release mechanical system (D3) rotate to be connected, the other end and the hook seat (D1) of canceling release mechanical system (D3) rotate to be connected.

8. The centrifuge mainframe for a centrifugal tube-casting machine of claim 7, wherein: the reset mechanism (D3) comprises a spring outer sleeve (D31), a spring inner sleeve (D32) and a reset spring (D33), the spring outer sleeve (D31) and the spring outer sleeve (D31) are rotatably connected with a hook body (D2), the spring inner sleeve (D32) is rotatably connected with a hook seat (D1), the reset spring (D33) is sleeved on the spring inner sleeve (D32), and the spring outer sleeve (D31) is sleeved on the reset spring (D33); one end of the return spring (D33) is abutted with the outer spring sleeve (D31), and the other end of the return spring (D33) is abutted with the inner spring sleeve (D32).

9. The centrifuge mainframe for a centrifugal tube-casting machine of claim 7, wherein: the resetting mechanism (D3) further comprises an outer sleeve pin shaft (D34) and an inner sleeve pin shaft (D35), the spring outer sleeve (D31) is installed on the hook body (D2) through the outer sleeve pin shaft (D34), and the spring inner sleeve (D32) is installed on the hook seat (D1) through the inner sleeve pin shaft (D35).

10. The centrifuge mainframe for a centrifugal tube-casting machine of claim 7, wherein: the hook body (D2) comprises a hook body head (D21), a hook body seat (D22) and a hook body rod (D23), wherein the hook body head (D21) and the hook body seat (D22) are respectively fixed at two ends of the hook body rod (D23); the hook body rod (D23) is installed on the hook seat (D1) through a fixed pin shaft (D4); one end of the reset mechanism (D3) is rotationally connected with the hook body seat (D22); the hook body head (D21) is arranged in a circular arc structure; the two sides of the hook body (D2) are symmetrically arranged.

Technical Field

The invention relates to a centrifugal main machine for a centrifugal pipe casting machine, and belongs to the field of mechanical equipment.

Background

The ductile iron pipe is widely applied to underground water pipes, a centrifugal host is used for driving a pipe die to rotate for centrifugal pouring in production, centrifugal hosts of different models are required to be adopted according to different pipe diameters of pipe fittings, a hot die centrifuge is generally adopted for processing the pipe fittings when the pipe diameters of the pipe fittings are larger than 1200mm, most of riding wheel bases of the existing centrifugal hosts are independently arranged, each riding wheel base is provided with a riding wheel body, the position of each riding wheel base needs to be readjusted after the pipe die is replaced, the axis of the pipe die after the pipe die is replaced can coincide with the axis of the original pipe die, the adjustment process is relatively troublesome, and the quality of the pipe fittings can be influenced if errors are large.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a centrifugal main machine for a centrifugal pipe casting machine with a reasonable structural design.

The technical scheme adopted by the invention for solving the problems is as follows: this a centrifugal host computer for centrifugal pipe casting machine, including the host computer base, its structural feature lies in: the pipe die rotation limiting device comprises a main machine base, a pipe die and a pipe die, and is characterized by further comprising a riding wheel device which plays a supporting role for the pipe die and drives the pipe die to rotate, and a blocking wheel device which is used for limiting the pipe die to move along the axis of the pipe die in the rotation process, wherein the riding wheel device and the blocking wheel device are both installed on the main machine base, and the riding wheel device is matched with the blocking wheel device.

Further, the riding wheel device comprises a riding wheel base and a riding wheel body, wherein the riding wheel base is installed on the host machine base, and the riding wheel body is installed on the riding wheel base.

Further, the riding wheel base is of an integrated structure.

Further, the riding wheel body is in contact with the outer wall of the pipe die.

Further, the riding wheel device comprises a riding wheel driving motor, and the riding wheel driving motor is connected with the riding wheel body.

Furthermore, the catch wheel device comprises a catch wheel base and a catch wheel body, the catch wheel base is installed on the host base, and the catch wheel body is installed on the catch wheel base.

Further, a pipe die limiting groove is installed at the socket end of the pipe die, and the catch wheel body is located in the pipe die limiting groove.

Furthermore, a core pressing hook used for compressing the sand core is installed at the female end of the pipe die and comprises a hook seat, a hook body, a resetting mechanism and a fixed pin shaft, the hook seat is installed at the female end of the pipe die, the hook body is installed on the hook seat through the fixed pin shaft, one end of the resetting mechanism is rotatably connected with the hook body, and the other end of the resetting mechanism is rotatably connected with the hook seat.

Further, the centrifugal main machine further comprises a lubricating device.

Furthermore, the reset mechanism comprises a spring outer sleeve, a spring inner sleeve and a reset spring, the spring outer sleeve and the spring outer sleeve are rotatably connected with the hook body, the spring inner sleeve is rotatably connected with the hook seat, the reset spring is sleeved on the spring inner sleeve, and the spring outer sleeve is sleeved on the reset spring; one end of the reset spring is abutted against the outer spring sleeve, and the other end of the reset spring is abutted against the inner spring sleeve.

Furthermore, the reset mechanism further comprises an outer sleeve pin shaft and an inner sleeve pin shaft, the outer spring sleeve is installed on the hook body through the outer sleeve pin shaft, and the inner spring sleeve is installed on the hook seat through the inner sleeve pin shaft.

Further, the hook body comprises a hook body head, a hook body seat and a hook body rod, wherein the hook body head and the hook body seat are respectively fixed at two ends of the hook body rod; the hook body rod is arranged on the hook seat through a fixed pin shaft; one end of the reset mechanism is rotationally connected with the hook body seat; the hook body head is arranged in a circular arc structure; the two sides of the hook body are symmetrically arranged.

Compared with the prior art, the invention has the following advantages: this centrifugal host computer uses when being applicable to the pipe fitting that adopts hot mould method processing pipe diameter to be more than 1200mm, left side in this centrifugal host computer, two riding wheel base formula shaping structures as an organic whole on the right side, confirm a left side in advance according to the size of pipe diameter, distance between two riding wheel bases on the right side, can be with corresponding riding wheel pedestal mounting on the host computer base when needing to change the pipe die can, do not need to change the pipe die at every turn before the adjustment left side, distance between two riding wheel bases on the right side, when driving the pipe die through the riding wheel body and rotating, keep off the wheel body and inlay the pipe die spacing groove, in order to prevent the pipe die at the rotation in-process, the pipe die removes along its axis direction, reduce the error, guarantee the pipe fitting quality, the input of human cost has been reduced simultaneously, and work.

In addition, the female end of the pipe die is installed on the hook seat of the core pressing hook, the sand core is placed at the female end of the pipe die, after molten iron is poured into the socket end of the pipe die, the weight of the hook seat is larger than that of the hook body head, the hook body rod rotates at a high speed through the pipe die, the hook body head and the sand core are enabled to be in contact through a core pressing plate under the action of centrifugal force, the hook body head presses the sand core more tightly when the rotating speed of the pipe die is faster, and the hook body head with the arc arrangement is convenient to place the sand core at the female end of the pipe die.

Drawings

Fig. 1 is a schematic front view of a centrifugal main unit according to an embodiment of the present invention.

Fig. 2 is a left side view structural schematic diagram of the centrifugal main machine according to the embodiment of the present invention.

Fig. 3 is a schematic top view of the centrifugal main machine according to the embodiment of the present invention.

Fig. 4 is a schematic view of the sectional structure III-III in fig. 3.

Fig. 5 is a schematic front view of a press core hook according to an embodiment of the present invention.

Fig. 6 is a schematic view of the sectional structure II-II in fig. 5.

Description of reference numerals: a main machine base E1, a riding wheel device E2, a catch wheel device E3, a lubricating device E4,

A riding wheel base E21, a riding wheel body E22, a riding wheel driving motor E23,

A catch wheel base E31, a catch wheel body E32, a pipe die limiting groove E33,

A core pressing hook D,

A hook seat D1, a hook body D2, a reset mechanism D3, a fixed pin shaft D4,

A hook head D21, a hook seat D22, a hook rod D23,

The spring comprises a spring outer sleeve D31, a spring inner sleeve D32, a return spring D33, an outer sleeve pin shaft D34 and an inner sleeve pin shaft D35.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.