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A multi-stage primary mixing disc for mixing equipment

A kind of equipment and mixing technology, applied in the direction of casting molding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of low mechanical efficiency, achieve the effect of reducing work burden, improving mixing effect, and improving mixing efficiency

Active Publication Date: 2019-07-09
青岛三运通用机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a multi-stage primary mixing disc for mixing equipment. Solve the problem of low mechanical efficiency of the manufacturing equipment, and optimize the structural layout, especially effective for the mixing of foundry sand, especially coated sand

Method used

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  • A multi-stage primary mixing disc for mixing equipment
  • A multi-stage primary mixing disc for mixing equipment
  • A multi-stage primary mixing disc for mixing equipment

Examples

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Effect test

Embodiment 1

[0030] Such as figure 1 As shown, this embodiment is a two-stage primary mixing disk, including a primary mixing drive mechanism 1, a primary mixing transmission shaft 2, and a first-stage rotating disk 3 and a second-stage rotating disk installed on the same primary mixing transmission shaft for synchronous control. 4. In this embodiment, the shape of the rotating disk is circular, and the upper surface of the cross section of each rotating disk is a concave curved surface structure that smoothly transitions from the outer circumference to the center, that is, the whole rotating disk is a concave disk. The diameter R1 at the outer edge of the stage rotating disk 3 is preferably 35-70% of the diameter R2 at the outer edge of the second stage rotating disk 4, preferably slightly higher than 50%, for example, 55%.

[0031] Such as figure 2 As shown, the left is the working state of the two-stage primary mixing disk of this embodiment, and the right is the working state of the tradi...

Embodiment 2

[0040] As an improvement to the primary mixing disc of the present invention, in this embodiment, two or more first-stage rotating discs 3 at the same level can be provided, and each first-stage rotating disc 3 is different from the second-stage rotating disc 4 Speed ​​and steering movement, such as Figure 4 As shown, the transmission connection can be realized in the following ways: the original mixed transmission shaft is divided into a driving transmission shaft and several driven transmission shafts, and each first-stage rotating disk 3 has its own independent driven transmission shaft, and the shaft end The driven gear 15 is connected, and the end of the driving transmission shaft of the second-stage rotating disk 4 is connected to the driving gear 16. The driving transmission shaft drives the driving gear 16 to rotate under the driving of the primary mixing driving mechanism 1, and the driving gear 16 drives the driven gear 15 to rotate , The driven gear 15 drives the dri...

Embodiment 3

[0043] Different from Embodiment 2, as an improvement to the initial mixing disc of the present invention, in this embodiment, the first-stage rotating disc 3 and the second-stage rotating disc 4 can be controlled at different speeds without adding a new axis position. Such as Figure 5 As shown, the transmission connection can be realized in the following ways: the original mixed transmission shaft is divided into the active transmission inner shaft and the driven transmission outer shaft, the second-stage rotating disc 4 is connected to the active transmission inner shaft, and the first-stage rotating disc 3 is connected to the driven Transmission outer shaft, the shaft end of the active transmission inner shaft is connected to the driving gear 16, and the shaft end of the driven transmission outer shaft is connected to the ring gear 17. The driving inner shaft drives the driving gear 16 to rotate under the driving of the primary mixing drive mechanism 1, and the driving gear ...

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Abstract

The invention relates to a multistage primary mixing disc for mixing equipment. The primary mixing disc comprises a primary mixing driving mechanism, a primary mixing transmission shaft and rotating discs installed on the primary mixing transmission shaft, and the primary mixing disc is integrally installed on the upper portion of a main mixing mechanism of the mixing equipment and used for conducting primary mixing on materials fed through a feed inlet of the mixing equipment. According to the multistage primary mixing disc for the mixing equipment, independent driving is adopted, the rotating speed and rotating direction which are different from those of the main mixing mechanism can be adopted, and the mechanical efficiency is improved; meanwhile, due to the fact that the multistage rotating discs with different sizes are adopted, at least the upper surface of each rotating disc is arranged to be of an inner concave curved surface structure which is subjected to smooth transition from the periphery to the center, the contact angle between the materials and each rotating disc is changed, and the dispersing and mixing effects are the best. The invention further provides a sand mixer which adopts the primary mixing disc and is used for the casting field.

Description

Technical field [0001] The invention relates to a mixing equipment assembly, in particular to an initial mixing assembly of a sand mixer for manufacturing foundry sand. Background technique [0002] Mixing equipment usually refers to equipment that fully mixes bulk materials by stirring, shaking, turning, rolling, etc. It is widely used in construction, machinery, and chemical industries. In casting production, molding sand manufacturing is the primary link. The sand machine is an important equipment for manufacturing molding sand. The molding sand that can be used to manufacture molds is obtained by uniformly mixing the sand with the binder or other auxiliary materials. For example, the production of coated sand is to mix the sand, resin and curing agent. The resin and curing agent are evenly distributed and coated on the surface of the sand grains. The equipment used in this production process is a sand mixer. [0003] Among the sand mixing equipment in the prior art, larger san...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C5/04
CPCB22C5/044B22C5/0472
Inventor 计霞蓉
Owner 青岛三运通用机械有限公司
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