Kneading device for producing wear-resistant binding agent for heavy grinding wheel

Abstract

The utility model provides a kneading device for producing a wear-resistant binding agent for a heavy grinding wheel, which comprises a support base and a kneading cavity arranged on the support base, two ends of the kneading cavity are rotatably connected with the support base, and the support base is connected with the bottom of the kneading cavity through a telescopic component; two groups of stirring mechanisms are arranged in the kneading cavity, each stirring mechanism comprises a stirring shaft, spiral stirring blades and a plurality of stirring rods, the spiral stirring blades and the stirring rods are arranged on the stirring shaft, the spiral stirring blades are arranged discontinuously, the stirring rods are perpendicular to the stirring shaft, and the stirring rods are dispersed in discontinuous gaps of the spiral stirring blades; a driving mechanism for driving the stirring shaft to rotate is arranged on the supporting base, and in a rotating state, the spiral directions of the spiral stirring blades of the two groups of stirring mechanisms are opposite. According to the kneading device for producing the wear-resistant binding agent for the heavy grinding wheel, a kneading stirring mechanism is improved, and the kneading device is suitable for laboratory experiment application.

Description

Technical Field

[0001] The utility model relates to auxiliary equipment for producing wear-resistant binder, in particular to a kneading device for producing wear-resistant binder for heavy grinding wheels. Background Art

[0002] Grinding wheel is also called bonded abrasive. Grinding wheel is a bonded abrasive that is formed by bonding ordinary abrasive into a certain shape (mostly round with a through hole in the center) with a certain strength. It is generally composed of abrasive, bonding agent and pores. In the production process of grinding wheel, it is often necessary to use a kneading machine to knead the ingredients, granulate, and then injection mold, dry, and obtain a grinding wheel. There are many types of kneading machines commonly seen on the market, such as: the various screw discharge kneading machines disclosed in Chinese patent CN103707429A, the extrusion kneading machine for rubber processing disclosed in Chinese patent CN115742064A, the screw extrusion kneading machine disclosed in Chinese patent CN204123545U, etc. These kneading equipment are usually used in industrial production. In the process of product development, a large number of laboratory experiments are often required. In order to facilitate experiments, a small kneading machine is usually required. At present, most of the small kneading machines in laboratories are scaled-down versions of industrial kneading machines. However, after being scaled down proportionally, the stirring blades for stirring and kneading also become thinner and smaller while the structure remains unchanged. The composition of the ingredients, the final viscosity of the kneading process and other data need to be consistent with industrial production. In this way, the viscosity increases in the later stage of kneading, and the stirring force of the stirring blades will also increase rapidly. Therefore, the life of small kneading machines used in laboratories will be relatively short.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art, thereby providing a kneading device for producing a wear-resistant binder for a heavy-duty grinding wheel.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A kneading device for producing a wear-resistant binder for a heavy-duty grinding wheel comprises a supporting base and a kneading cavity arranged on the supporting base, wherein both ends of the kneading cavity are rotatably connected to the supporting base, and the supporting base is connected to the bottom of the kneading cavity via a telescopic assembly; two groups of stirring mechanisms are arranged inside the kneading cavity, and the stirring mechanisms comprise a stirring shaft, a spiral stirring blade arranged on the stirring shaft, and a plurality of stirring rods, wherein the spiral stirring blades are arranged intermittently, the stirring rods are perpendicular to the stirring shaft, and the stirring rods are dispersed in the intermittent gaps of the spiral stirring blades; a driving mechanism for driving the stirring shaft to rotate is arranged on the supporting base, and in the rotating state, the spiral directions of the spiral stirring blades of the two groups of stirring mechanisms are opposite.

[0007] The support base includes a support bottom frame, a support top frame and a support connecting rod connecting the support bottom frame and the support top frame. Two support plates are arranged on the upper side of the support top frame. Rotating connecting seats are respectively arranged on the support plates. The two ends of the kneading cavity are rotatably connected with the rotating connecting seats. A gap is left between the two support plates to reserve installation space for the bottom of the kneading cavity.

[0008] The bottom surface of the kneading cavity is provided with two arc grooves corresponding to the two groups of stirring mechanisms, the arc grooves are coaxial with the stirring shaft, the top surface of the kneading cavity is open, and a cover plate is hinged on one side of the open top surface.

[0009] A lower hinge seat is arranged in the middle of the supporting bottom frame, an upper hinge seat is arranged on the bottom plate of the kneading cavity, and a telescopic assembly connects the upper hinge seat and the lower hinge seat.

[0010] A transmission cavity is arranged on one side of the kneading cavity, one end of the stirring shaft extends into the transmission cavity, and transmission gears are arranged on the two stirring shafts respectively, and the two transmission gears are kneaded with each other.

[0011] The driving mechanism comprises a driving motor arranged on the supporting bottom frame, and the driving motor is connected to one of the stirring shafts through a transmission assembly.

[0012] Compared with the prior art, the utility model has the beneficial effect that the utility model provides a kneading device for producing wear-resistant binders for heavy-duty grinding wheels to improve the kneading stirring mechanism, which is suitable for laboratory experimental applications. Specifically, compared with the continuous stirring blades of the industrial kneading machine, two sets of stirring mechanisms are used. The stirring mechanism uses intermittent spiral stirring blades and stirring rods to stir. During the stirring process, the stirring shaft rotates, and the spiral stirring blades push the material toward one end of the kneading chamber. The stirring rods cut the material as the stirring shaft rotates. The spiral stirring blades of the two sets of stirring mechanisms push the material in opposite directions. The spiral stirring blades and the stirring rods are combined for stirring, which greatly reduces the force on the stirring blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram (I) of the utility model.

[0014] Figure 2 It is a structural schematic diagram (II) of the present utility model.

[0015] Figure 3 It is a structural schematic diagram of the stirring mechanism in the utility model.

[0016] In the figure: 1. Support base; 11. Support bottom frame; 12. Support connecting rod; 13. Support top frame; 2. Kneading chamber; 3. Telescopic assembly; 4. Stirring mechanism; 41. Spiral stirring blade; 42. Stirring rod; 43. Stirring shaft; 5. Cover plate; 6. Drive mechanism; 7. Arc groove; 8. Transmission chamber; 9. Rotating connecting seat. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0018] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. "Installed", "provided with", "connected", etc. can adopt conventional means in the prior art, such as: integral setting, snap-on installation, welding connection, adhesive connection, bolt connection, etc. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances, and suitable connection, setting or installation methods can be selected in the prior art.

[0019] like Figure 1-3 As shown, a kneading device for producing wear-resistant binders for heavy-duty grinding wheels comprises a support base 1, a kneading chamber 2 arranged on the support base 1, the two ends of the kneading chamber 2 are rotatably connected to the support base 1, and the support base 1 is connected to the bottom of the kneading chamber 2 through a telescopic assembly 3; two groups of stirring mechanisms 4 are arranged inside the kneading chamber 2, and the stirring mechanism 4 comprises a stirring shaft 43 and a spiral stirring blade 41 and a plurality of stirring rods 42 arranged on the stirring shaft 43, the spiral stirring blade 41 is intermittently arranged, the stirring rod 42 is perpendicular to the stirring shaft 43, and the stirring rod 42 is dispersed in the intermittent gaps of the spiral stirring blade 41; a driving mechanism 6 for driving the stirring shaft 43 to rotate is arranged on the support base 1, and in the rotating state, the spiral directions of the spiral stirring blades 41 of the two groups of stirring mechanisms 4 are opposite. Specifically, the telescopic assembly can be a common hydraulic telescopic rod or an electric telescopic rod; during the rotation of the stirring shaft, the spiral stirring blade pushes the material in a certain direction, and the stirring rod "breaks" the viscous material and "cuts" the material.

[0020] The kneading device produced by the heavy-duty grinding wheel wear-resistant binder improves the kneading stirring mechanism and is suitable for laboratory experimental applications. Specifically, compared with the continuous stirring blades of the industrial kneading machine, two sets of stirring mechanisms are used. The stirring mechanism uses intermittent spiral stirring blades and stirring rods for stirring. During the stirring process, the stirring shaft rotates, and the spiral stirring blades push the material toward one end of the kneading chamber. The stirring rods cut the material as the stirring shaft rotates. The spiral stirring blades of the two sets of stirring mechanisms push the material in opposite directions. The spiral stirring blades and stirring rods are combined for stirring, which greatly reduces the force on the stirring blades.

[0021] In one embodiment, the support base 1 includes a support bottom frame 11, a support top frame 13 and a support connecting rod 12 connecting the support bottom frame 11 and the support top frame 13. Two support plates are arranged on the upper side of the support top frame 13. Rotating connection seats 9 are arranged on the support plates respectively. The two ends of the kneading cavity 2 are rotatably connected with the rotating connection seats 9. A gap is left between the two support plates to reserve installation space for the bottom of the kneading cavity 2. During the mixing process, the bottom of the kneading cavity falls into the installation space to reduce the volume of the equipment. When unloading or cleaning operations are required, the kneading cavity can be tilted and ejected by extending the telescopic component.

[0022] In one of the embodiments, two arc grooves 7 are provided on the bottom surface of the kneading chamber 2 corresponding to the two groups of stirring mechanisms 4. The arc grooves 7 are coaxial with the stirring shaft 43 to reduce the stirring dead angle. The top surface of the kneading chamber 2 is open, and a cover plate 5 is hinged on one side of the open top surface. The cover plate can be covered during the stirring process and can be opened after the stirring is completed.

[0023] In one embodiment, a lower hinge seat is provided in the middle of the supporting bottom frame 11, an upper hinge seat is provided on the bottom plate of the kneading chamber 2, and the telescopic assembly 3 connects the upper hinge seat and the lower hinge seat for easy installation.

[0024] In one embodiment, a transmission cavity 8 is provided on one side of the kneading cavity 2, one end of the stirring shaft 43 extends into the transmission cavity 8, and transmission gears are respectively provided on the two stirring shafts 43, and the two transmission gears are kneaded to facilitate driving the two stirring shafts at the same time. The transmission cavity mainly shields and protects the transmission gears through the shell.

[0025] In one embodiment, the driving mechanism 6 includes a driving motor disposed on the supporting bottom frame 11, and the driving motor is connected to one of the stirring shafts 43 via a transmission assembly. Specifically, the transmission assembly can be a sprocket, a chain, a bevel gear, etc.

[0026] The above embodiments can be combined with each other.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A kneading device for producing a wear-resistant binder for heavy-duty grinding wheels, characterized in that: The kneading chamber comprises a supporting base and a kneading chamber arranged on the supporting base, wherein the two ends of the kneading chamber are rotatably connected to the supporting base, and the supporting base is connected to the bottom of the kneading chamber through a telescopic component; two sets of stirring mechanisms are arranged inside the kneading chamber, and the stirring mechanisms comprise a stirring shaft and a spiral stirring blade arranged on the stirring shaft and a plurality of stirring rods, wherein the spiral stirring blades are arranged intermittently, the stirring rods are perpendicular to the stirring shaft, and the stirring rods are dispersed in the intermittent gaps of the spiral stirring blades; A driving mechanism for driving the stirring shaft to rotate is arranged on the supporting base. In the rotating state, the spiral directions of the spiral stirring blades of the two groups of stirring mechanisms are opposite.

2. The kneading device for producing the wear-resistant binder for heavy-duty grinding wheels according to claim 1, characterized in that: The support base includes a support bottom frame, a support top frame and a support connecting rod connecting the support bottom frame and the support top frame. Two support plates are arranged on the upper side of the support top frame. Rotating connecting seats are respectively arranged on the support plates. The two ends of the kneading cavity are rotatably connected with the rotating connecting seats. A gap is left between the two support plates to reserve installation space for the bottom of the kneading cavity.

3. The kneading device for producing the wear-resistant binder for heavy-duty grinding wheels according to claim 2, characterized in that: The bottom surface of the kneading cavity is provided with two arc grooves corresponding to the two groups of stirring mechanisms, the arc grooves are coaxial with the stirring shaft, the top surface of the kneading cavity is open, and a cover plate is hinged on one side of the open top surface.

4. The kneading device for producing the wear-resistant binder for heavy-duty grinding wheels according to claim 3, characterized in that: A lower hinge seat is arranged in the middle of the supporting bottom frame, an upper hinge seat is arranged on the bottom plate of the kneading cavity, and a telescopic assembly connects the upper hinge seat and the lower hinge seat.

5. The kneading device for producing the wear-resistant binder for heavy-duty grinding wheels according to claim 4, characterized in that: A transmission cavity is arranged on one side of the kneading cavity, one end of the stirring shaft extends into the transmission cavity, and transmission gears are arranged on the two stirring shafts respectively, and the two transmission gears are kneaded with each other.

6. The kneading device for producing the wear-resistant binder for heavy-duty grinding wheels according to claim 5, characterized in that: The driving mechanism comprises a driving motor arranged on the supporting bottom frame, and the driving motor is connected to one of the stirring shafts through a transmission assembly.

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