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Molding machine

A molding machine and frame technology, applied in molding machines, casting molding equipment, manufacturing tools, etc., can solve the problems of sand mold collapse, softness, uneven sand mold strength, etc., and achieve the effect of improving downforce, stable operation, and balanced strength.

Inactive Publication Date: 2014-07-16
许道水
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the actual production process, the molding sand that has just been loaded into the sand box is in the shape of high in the middle and low around the periphery. After the molding machine completes the compaction of the sand box through hydraulic pressure, because the pressure head first contacts the higher part of the sand, molding The final sand mold tends to be dense in the middle and soft around, which causes the problem of uneven strength of the sand mold, and the sand mold collapses easily during the process of handling or pouring.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] like figure 2 As shown, the installation frame 1 is located in the upper half of the frame 17. In order to adapt to sand boxes 27 of different heights, an adjustment mechanism two for adjusting the height of the installation frame 1 is provided between the installation frame 1 and the frame 17. Each threaded rod 19 is connected with two nuts, and two nuts on each threaded rod 19 fix one side of the mounting frame 1 on the frame 17. The left and right ends of the mounting frame 1 are connected on the frame 17 by threaded rods 19 . When the height of the mounting frame 1 needs to be adjusted, the nut 21 is loosened, and after the mounting frame 1 is adjusted to the required height, the nut 21 is locked, and the mounting frame 1 is positioned again.

[0046] like figure 1 As shown, two parallel guide rails 4 are vertically arranged. Two guide rails 4 are all fixedly connected on the frame 17 of molding machine.

[0047] like Figure 5 As shown, the cross section of ...

Embodiment 2

[0067] This embodiment is similar to Embodiment 1, the difference lies in, as Image 6 As shown, in this embodiment, one of the flywheels 5 is provided with teeth along the circumferential direction, and the pinion 9 on the motor-rotating shaft 6 meshes with the teeth on the flywheel 5 .

Embodiment 3

[0069] This embodiment is similar to Embodiment 1, the difference lies in, as Figure 7 As shown, in this embodiment, the compacting assembly 3 includes a square plate-shaped compacting member 12 arranged vertically. It is long and straight. A rubber layer 15 is fixedly attached to the bottom of the pressing member 12 .

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PUM

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Abstract

The invention provides a molding machine and belongs to the technical field of the molding machine. The molding machine solves the problem of poor compaction effect of the existing molding machine. The molding machine comprises an installation frame and a joint lever, wherein the joint lever is horizontally arranged and in a shape of a straight strip, a compaction assembly is connected with the lower side of the joint lever and comprises a compaction part with the bottom surface in a strip shape, and two ends of the joint lever are positioned on two guide rails. The molding machine further comprises a flywheel in a disc mode and a rotary shaft arranged horizontally, wherein the rotary shaft is arranged on the installation frame, the flywheel is connected with the rotary shaft and coaxial with the rotary shaft, a connection rod is arranged between the flywheel and the joint lever, one end of the connection rod is hinged to the joint lever, the other end of the connection rod is hinged to the flywheel, the hinge point between the connection rod and the flywheel deviates from the center of the flywheel, and a driving mechanism for driving the flywheel to rotate is arranged on the installation frame. Due to the fact that the bottom surface of the compaction part is in the strip shape, the whole strength of a sand mold is balanced. Furthermore, the flywheel provides large inertia force for the compaction mechanism, and therefore, compaction hardness is improved.

Description

technical field [0001] The invention belongs to the technical field of molding machines and relates to a molding machine. Background technique [0002] The molding machine is a device used to make sand molds. Its main function is to compact the molding sand filled in the sand box, so that the sand mold has the necessary strength during the process of handling and pouring. [0003] For example, the Chinese utility model patent (application number: 201120290374.3; authorized announcement number: CN202169356U) discloses a molding machine, including a machine body consisting of a machine frame, a sand box conveying mechanism, a molding sand compacting device, an electric control system, and a hydraulic system. The molding sand compacting device is set on the frame and connected by bolts; the sand box conveying mechanism is set and walks on the track of the running mechanism set on the frame. The compaction process is completed at one time by driving the pressure head down throu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C15/06
Inventor 许道水
Owner 许道水