CN217069068U - Expansion type crushing roller structure of double-roller sand making machine - Google Patents

Abstract

The utility model relates to a tight formula crushing roller structure expands of pair roller system sand machine, including rolling a section of thick bamboo and main shaft, form between two rolling a section of thick bamboos and roll the clearance, roll a section of thick bamboo including outer roller and the interior roll body that links together can be dismantled with outer roller that is located outer roller, be equipped with the annular spread groove that is located on rolling a section of thick bamboo terminal surface that extends along interior roll body circumference between outer roller and the interior roll body, be equipped with in the spread groove and prevent outer roller to produce the pivoted mechanism that splines for interior roll body, it is together fixed with outer roller and interior roll body to spline the mechanism for radially opening along rolling a section of thick bamboo. The utility model aims at providing an interior roller body and outer roller carry out the tight crushing roller structure of expanding of pair roller system sand machine that fixes together through radial open mechanism that splines, solved outer roller and interior roller and fix the installation that leads to together with the close-fitting and dismantle hard problem.

Description

Expansion type crushing roller structure of double-roller sand making machine

Technical Field

The utility model relates to a system sand machine specifically is a tight formula crushing roller structure that expands of pair roller system sand machine.

Background

A sand maker is a mechanical device used to break stone into sand. The structure of the sand making machine has two types, one is a hammer crusher, the other is a double-roller machine (hereinafter referred to as a double-roller sand making machine), the hammer crusher has many wearing parts, large energy consumption, much dust and uneven fineness. The roller pair sand making machine can avoid the defects of much dust and uneven fineness. The patent document with Chinese patent No. 2010202399225, publication No. CN201791554U, entitled "drive mechanism of double-roller sand making machine" discloses a double-roller sand making machine, the crushing of stone into sand by the double-roller sand making machine is realized by rolling a pair of crushing rollers (also called rollers), the crushing roller of the initial double-roller sand making machine is realized by arranging a chain wheel at one end of the crushing roller, then reducing the speed of the output of a motor by a speed reducer and then driving the chain wheel by a chain, therefore, the defects of poor efficiency, large abrasion, small bearing capacity, small impact resistance, large vibration and appearance volume and short continuous operation life exist; the present applicant has devised for this purpose an internally driven pair roller sand mill as disclosed in patent application No. 2016101635735. The sand making machine in the patent has the following defects: although the outer roller is prevented from deviating in an axial opposite-pulling mode, the outer roller and the inner roller are prevented from rotating relatively through tight fit, and the mode causes labor for assembling and disassembling the outer roller and the inner roller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interior roller body and outer roller carry out the tight crushing roller structure of expanding of pair roller system sand machine that fixes together through radial open mechanism that splines, solved outer roller and interior roller and fix the installation that leads to together with the close-fitting and dismantle hard problem.

The technical problem is solved by the following technical scheme: the expansion type crushing roller structure of the pair roller sand making machine comprises a rolling barrel and a main shaft, wherein the rolling barrel is sleeved with and rotatably connected with the main shaft, the rolling barrel comprises an outer roller and an inner roller body which is positioned in the outer roller and detachably connected with the outer roller, one end of the outer roller is provided with an inner conical surface section of which the inner peripheral surface is a conical surface with a large outer end and a small inner end, one end of the inner roller body is provided with an outer conical surface section of which the outer peripheral surface is a conical surface with a large outer end and a small inner end, and the expansion type crushing roller structure is characterized in that the opening shape of the outer roller is circular, the inner roller body is cylindrical and coaxial with the outer roller body, an annular connecting groove which is positioned on the end surface of the rolling barrel and extends along the circumferential direction of the inner roller body is arranged between the other end of the outer roller and the other end of the inner roller body, and a rotation stopping mechanism which prevents the outer roller body from rotating relative to the inner roller body is arranged in the connecting groove; the rotation stopping structure comprises an inner extrusion ring and an outer extrusion ring which are sleeved on an inner roller body, the outer end of the inner extrusion is provided with an inner extrusion ring part conical surface section, the outer peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a large inner end and a small outer end, the inner peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner end of the outer extrusion ring is provided with an outer extrusion ring part conical surface section, the outer peripheral surface of the outer extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner extrusion ring is provided with a plurality of inner extrusion ring part threaded holes which are distributed along the circumferential direction of the inner extrusion ring and extend axially, the outer extrusion ring is provided with a plurality of outer extrusion ring part bolt holes which are distributed along the circumferential direction of a connecting groove, two ends of the connecting groove are respectively supported on the outer peripheral surface of the inner extrusion ring part conical surface section and the outer peripheral surface of the outer extrusion ring conical surface section, the inner extrusion device is characterized in that a plurality of inner extrusion strips are arranged in the connecting groove, two ends of the inner extrusion strips are circumferentially distributed along the connecting groove and respectively supported on the inner peripheral surface of the conical section of the inner extrusion ring part and the inner peripheral surface of the conical section of the outer extrusion ring part, a plurality of tensioning screws penetrate through the bolt holes of the outer extrusion ring part in a one-to-one correspondence mode and then are screwed in the threaded holes of the inner extrusion ring part in a one-to-one correspondence mode, the outer extrusion strips are abutted to the inner peripheral surface of the outer roller together under the extrusion effect of the inner extrusion ring and the inner extrusion ring, and the outer peripheral surface of the inner roller body is abutted to the outer peripheral surface of the inner roller body through the inner extrusion strips. This technical scheme establishes back on interior roll body at outer cylinder cover, will only rotate the mechanism and pour into the spread groove into, then make inside and outside extrusion circle fold through rotating the tensioning screw, the result of folding is realized realizing the fixed of outer roller and interior roll body through frictional force for driving inside and outside extrusion strip supports tightly with interior roll body and outer roller, thereby need not to design outer roller and interior roll body for the tight fit, and this technical scheme locks and only need rotate the tensioning screw when loosening can, thereby it is laborsaving when outer roller and interior roll body are dismantled in the feasible assembly. The roller is fixed through friction force, so that the force for fixing the outer roller and the inner roller body can be controlled conveniently.

Preferably, the outer extrusion strips and the outer peripheral surface of the conical surface section of the inner extrusion ring portion are in matched abutting connection, and the outer extrusion strips and the outer peripheral surface of the conical surface section of the outer extrusion ring portion are in matched abutting connection; the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together. The abrasion between the extrusion ring and the extrusion strip during locking can be reduced.

Preferably, the outer extrusion strips are matched and abutted with the inner circumferential surface cylindrical surface of the outer roller; the inner extrusion strip and the outer circumferential surface cylindrical surface of the inner roller body are matched and abutted together. The abrasion between the extrusion strip and the outer roller and between the extrusion strip and the inner roller during locking can be reduced.

Preferably, the inner circumferential surface of the outer roller is provided with a plurality of outer roller clamping grooves, and the outer extrusion strips are correspondingly arranged in the outer roller clamping grooves in a penetrating manner; the outer peripheral surface of the inner roller body is provided with a plurality of inner roller body part clamping grooves, and the inner extrusion strips penetrate through the inner roller body part clamping grooves in a one-to-one correspondence mode. The friction force transmission part for fixing the outer roller and the inner roller body can be controlled at the contact part of the extrusion ring and the extrusion strip, and convenience in manufacturing is improved and replaced when abrasion is facilitated.

Preferably, the outer circumferential surface of the conical surface section of the inner extrusion ring part is provided with an outer friction layer of the inner extrusion ring part, an inner friction layer of the inner extrusion ring part is arranged on the inner peripheral surface of the conical surface section of the inner extrusion ring part, an outer friction layer of the outer extrusion ring part is arranged on the outer peripheral surface of the conical surface section of the outer extrusion ring part, an inner friction layer of the outer extrusion ring part is arranged on the inner circumferential surface of the conical surface section of the outer extrusion ring part, one end of the inner extrusion strip is provided with a first friction layer of the inner extrusion strip part which is abutted with the inner friction layer of the inner extrusion ring part, the other end of the inner extrusion strip is provided with a second friction layer of the inner extrusion strip part which is abutted with the inner friction layer of the outer extrusion ring part, one end of the outer extrusion pressing strip is provided with a first friction layer of the outer extrusion pressing strip part which is abutted with the outer friction layer of the inner extrusion ring part, and the other end of the outer extrusion pressing strip is provided with a second friction layer of the outer extrusion pressing strip part which is abutted with the outer friction layer of the outer extrusion ring part. The control can be better controlled when the force for preventing the outer roller and the inner roller from generating relative rotation is controlled.

Compared with the prior art, the method has the following beneficial effects: the outer roller and the inner roller body are fixed together through a radial opening structure, and the outer roller and the inner roller body are convenient and labor-saving to mount and dismount.

Drawings

Fig. 1 is a schematic view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of the second embodiment.

In the figure: the roller comprises a rolling barrel 1, a main shaft 2, an outer roller 4, an inner roller body 5, an inner conical surface section 6, an outer conical surface section 7, a connecting groove 8, a rotation stopping mechanism 9, an inner extrusion ring 10, an outer extrusion ring 11, an inner extrusion ring section conical surface section 12, an outer extrusion ring section conical surface section 13, an inner extrusion ring section threaded hole 14, an outer extrusion strip 15, an inner extrusion strip 16, a tensioning screw 17, an outer roller body clamping groove 18, an inner roller body part clamping groove 19, an inner extrusion ring section outer friction layer 20, an inner extrusion ring section inner friction layer 21, an outer extrusion ring section outer friction layer 22, an outer extrusion ring section inner friction layer 23, an inner extrusion strip section first friction layer 24, an inner extrusion strip section second friction layer 25, an outer extrusion strip section first friction layer 26 and an outer extrusion strip section second friction layer 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment I, refer to fig. 1 and fig. 2, an expanding-tightening type crushing roller structure of a pair roller sand making machine comprises a rolling barrel 1 and a main shaft 2, wherein the rolling barrel is sleeved and rotatably connected with the main shaft, the rolling barrel comprises an outer roller 4 and an inner roller body 5 which is positioned in the outer roller and detachably connected with the outer roller, an inner conical surface section 6 of which the inner peripheral surface is a conical surface with a large outer end and a small inner end is arranged at one end of the outer roller, and an outer conical surface section 7 of which the outer peripheral surface is a conical surface with a large outer end and a small inner end is arranged at one end of the inner roller body. The opening of the outer roller is circular, and the inner roller body is cylindrical and coaxial with the outer roller. An annular connecting groove 8 which extends along the circumferential direction of the inner roller body and is positioned on the end face of the rolling cylinder is arranged between the other end of the outer roller cylinder and the other end of the inner roller body, and a rotation stopping mechanism 9 which prevents the outer roller cylinder from rotating relative to the inner roller body is arranged in the connecting groove. The rotation stopping structure comprises an inner extrusion ring 10 and an outer extrusion ring 11 which are sleeved on an inner roller body, the outer end of the inner extrusion is provided with an inner extrusion ring part conical surface section 12, the outer peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a large inner end and a small outer end, the inner peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner peripheral surface of the outer extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner extrusion ring is provided with a plurality of inner extrusion ring part threaded holes 14 which are distributed along the circumferential direction of the inner extrusion ring and extend axially, the outer extrusion ring is provided with a plurality of outer extrusion ring part bolt holes which are distributed along the circumferential direction of the outer extrusion ring and extend axially, a plurality of outer extrusion battens 15 which are arranged in the connecting groove and both ends of which are respectively supported on the outer peripheral surface of the inner extrusion ring part conical surface and the outer extrusion ring part conical surface, the connecting groove is internally provided with a plurality of inner extrusion strips 16 which are respectively supported on the inner peripheral surface of the conical section of the inner extrusion ring part and the inner peripheral surface of the conical section of the outer extrusion ring part at two ends distributed along the circumferential direction of the connecting groove, a plurality of tensioning screws 17 correspondingly penetrate through the bolt holes of the outer extrusion ring part one by one and then are correspondingly screwed in the threaded holes of the inner extrusion ring part one by one, the outer extrusion strips are butted together with the inner peripheral surface of the outer roller under the extrusion action of the inner extrusion ring and the inner extrusion ring, and the outer peripheral surface of the inner roller body is butted together through the inner extrusion strips. The outer extrusion pressing strip and the outer peripheral surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the outer extrusion pressing strip and the outer peripheral surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together; the inner extrusion strip and the inner peripheral surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the inner extrusion strip and the inner peripheral surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together. The outer extrusion strips are matched and abutted with the inner circumferential surface cylindrical surface of the outer roller; the inner extrusion strip and the outer circumferential surface cylindrical surface of the inner roller body are matched and abutted together.

The second embodiment is different from the first embodiment in that:

referring to fig. 3, the inner circumferential surface of the outer roller is provided with a plurality of outer roller clamping grooves 18. The outer roller clamping groove penetrates through the end face of the outer roller. The outer extrusion pressing strips penetrate through the clamping grooves of the outer roller barrel part in a one-to-one correspondence manner; a plurality of inner roller body part clamping grooves 19 are arranged on the outer peripheral surface of the inner roller body and run through the end surface of the inner roller body. The inner extrusion strips are correspondingly arranged in the clamping grooves of the inner roller body part in a penetrating way. An inner extrusion ring part outer friction layer 20 is arranged on the outer peripheral surface of the conical surface section of the inner extrusion ring part, an inner extrusion ring part inner friction layer 21 is arranged on the inner peripheral surface of the conical surface section of the inner extrusion ring part, an outer extrusion ring part outer friction layer 22 is arranged on the outer peripheral surface of the conical surface section of the outer extrusion ring part, an outer extrusion ring part inner friction layer 23 is arranged on the inner peripheral surface of the conical surface section of the outer extrusion ring part, an inner extrusion strip part first friction layer 24 abutted with the inner extrusion ring part inner friction layer is arranged at one end of the inner extrusion strip, an inner extrusion strip part second friction layer 25 abutted with the outer extrusion ring part inner friction layer is arranged at the other end of the inner extrusion strip, an outer extrusion strip part first friction layer 26 abutted with the inner extrusion ring part outer friction layer is arranged at one end of the outer extrusion strip, and an outer extrusion strip part second friction layer 27 abutted with the outer extrusion ring part outer friction layer is arranged at the other end of the outer extrusion strip part.

Claims (5)

1. The expansion type crushing roller structure of the pair roller sand making machine comprises a rolling barrel and a main shaft, wherein the rolling barrel is sleeved with and rotatably connected with the main shaft, the rolling barrel comprises an outer roller and an inner roller body which is positioned in the outer roller and detachably connected with the outer roller, one end of the outer roller is provided with an inner conical surface section of which the inner peripheral surface is a conical surface with a large outer end and a small inner end, one end of the inner roller body is provided with an outer conical surface section of which the outer peripheral surface is a conical surface with a large outer end and a small inner end, and the expansion type crushing roller structure is characterized in that the opening shape of the outer roller is circular, the inner roller body is cylindrical and coaxial with the outer roller body, an annular connecting groove which is positioned on the end surface of the rolling barrel and extends along the circumferential direction of the inner roller body is arranged between the other end of the outer roller and the other end of the inner roller body, and a rotation stopping mechanism which prevents the outer roller body from rotating relative to the inner roller body is arranged in the connecting groove; the rotation stopping structure comprises an inner extrusion ring and an outer extrusion ring sleeved on the inner roller body, wherein the outer end of the inner extrusion is provided with an inner extrusion ring part conical surface section, the outer peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a large inner end and a small outer end, the inner peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner end of the outer extrusion is provided with an outer extrusion ring part conical surface section, the outer peripheral surface of the outer extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner extrusion ring is provided with a plurality of inner extrusion ring part threaded holes which are distributed along the circumferential direction of the inner extrusion ring and extend axially, the outer extrusion ring is provided with a plurality of outer extrusion ring part bolt holes which are distributed along the circumferential direction of the outer extrusion ring and extend axially, two ends which are distributed along the circumferential direction of the connecting groove are respectively supported on the outer peripheral surface of the inner extrusion ring part conical surface section and the outer extrusion ring conical surface of the outer extrusion ring conical surface section, the inner extrusion device is characterized in that a plurality of inner extrusion strips are arranged in the connecting groove, two ends of the inner extrusion strips are circumferentially distributed along the connecting groove and respectively supported on the inner peripheral surface of the conical section of the inner extrusion ring part and the inner peripheral surface of the conical section of the outer extrusion ring part, a plurality of tensioning screws penetrate through the bolt holes of the outer extrusion ring part in a one-to-one correspondence mode and then are screwed in the threaded holes of the inner extrusion ring part in a one-to-one correspondence mode, the outer extrusion strips are abutted to the inner peripheral surface of the outer roller together under the extrusion effect of the inner extrusion ring and the inner extrusion ring, and the outer peripheral surface of the inner roller body is abutted to the outer peripheral surface of the inner roller body through the inner extrusion strips.

2. The expanding crushing roller structure of the pair roller sand making machine according to claim 1, wherein the outer extrusion strips are in conical fit and abutting connection with the outer peripheral surface of the conical section of the inner extrusion ring part, and the outer extrusion strips are in conical fit and abutting connection with the outer peripheral surface of the conical section of the outer extrusion ring part; the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together.

3. The expansion type crushing roller structure of the pair roller sand making machine according to the claim 1 or 2, wherein the outer extrusion strips are matched and abutted with the inner peripheral surface cylindrical surface of the outer roller; the inner extrusion strip and the outer circumferential surface cylindrical surface of the inner roller body are matched and abutted together.

4. The expanding type crushing roller structure of the pair roller sand making machine according to claim 1 or 2, wherein a plurality of outer roller clamping grooves are formed in the inner circumferential surface of the outer roller, and the outer extrusion strips are correspondingly arranged in the outer roller clamping grooves in a penetrating mode; the outer peripheral surface of the inner roller body is provided with a plurality of inner roller body part clamping grooves, and the inner extrusion strips penetrate through the inner roller body part clamping grooves in a one-to-one correspondence mode.

5. The expanding-type crushing roller structure of a pair-roller sand making machine as claimed in claim 4, wherein the outer circumferential surface of the conical section of the inner extrusion ring part is provided with an outer friction layer of the inner extrusion ring part, the inner circumferential surface of the conical section of the inner extrusion ring part is provided with an inner friction layer of the inner extrusion ring part, the outer circumferential surface of the conical section of the outer extrusion ring part is provided with an outer friction layer of the outer extrusion ring part, the inner circumferential surface of the conical section of the outer extrusion ring part is provided with an inner friction layer of the outer extrusion ring part, one end of the inner extrusion strip is provided with a first friction layer of the inner extrusion ring part abutting against the inner friction layer of the inner extrusion ring part, the other end of the inner extrusion strip is provided with a second friction layer of the inner extrusion strip part abutting against the inner friction layer of the outer extrusion ring part, and one end of the outer extrusion strip is provided with a first friction layer of the outer extrusion strip part abutting against the outer friction layer of the inner extrusion ring part, The other end is provided with an outer extrusion strip part second friction layer which is connected with the outer friction layer of the outer extrusion ring part in an abutting mode.

Images