CN220093644U - Pattern knurling equipment of rim for engineering machinery wheel - Google Patents
Pattern knurling equipment of rim for engineering machinery wheel Download PDFInfo
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- CN220093644U CN220093644U CN202321530861.1U CN202321530861U CN220093644U CN 220093644 U CN220093644 U CN 220093644U CN 202321530861 U CN202321530861 U CN 202321530861U CN 220093644 U CN220093644 U CN 220093644U
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- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims 3
- 238000003754 machining Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides pattern knurling equipment of a rim for an engineering machinery wheel, which comprises a machine body, wherein a cutter holder is arranged on the machine body, the cutter holder is in sliding connection with the machine body, one side of the cutter holder is provided with a linear driving mechanism for driving the cutter holder to do horizontal linear motion, the other side of the cutter holder is provided with a knurling tool, and the upper end of the cutter holder is provided with a rotary driving mechanism which is in transmission connection with the knurling tool so as to drive the knurling tool to do rotary motion; the machine body is internally provided with a main shaft structure, the main shaft structure is vertically arranged and is rotationally connected with the machine body, the shaft end of the main shaft structure extends out of the machine body, the shaft end of the main shaft structure is provided with a rolling support disc for placing a workpiece to be processed, the rolling support disc is positioned on the side face of the knurling cutter, and the shape of the rolling support disc is matched with that of the workpiece to be processed. In the scheme, the pattern knurling equipment can finish machining once, the workpiece is small in machining deformation, the pattern finish is increased, the size consistency is good, the automatic production line can be used for machining, and the production efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to pattern knurling equipment for a rim of an engineering machinery wheel.
Background
The three-piece engineering machinery tubeless wheel is formed by assembling a rim body, a lock ring and an outer rim, wherein the inner rim and the outer rim of the rim are welded on the rim body, and the outer rim is movably sleeved on the rim body and can be taken down. But is provided with groove-shaped stripes (patterns) distributed along the circumference, whether the inner rim or the outer rim.
The effect of the pattern is: the coefficient of friction between the wheel and the tire is increased, and the friction is increased to overcome and prevent relative sliding between the tire and the wheel. Particularly, wheels for engineering vehicles which operate in a tire pressure deficient or severe working environment, and large wheels often require embossing on the surface of the portion thereof in pressure contact with the tire. The width, depth and spacing of the pattern are all required.
The processing technology of the pattern is called knurling, which is basically carried out on a lathe at present, a workpiece to be processed is clamped on a three-jaw or four-jaw chuck of the lathe, a knurling cutter is arranged on a tool rest of the lathe, the lathe is started to drive the chuck to drive the workpiece to be processed to rotate during processing, the knurling cutter extrudes the workpiece to be processed at a processing position, but the knurling cutter is narrow, and the width of the rim to be knurled is larger, so that the knurling cutter is required to be overlapped and moved.
The knurling processing by adopting the lathe is one-way strong extrusion, and the long-term work seriously affects the rotation precision of the main shaft structure of the lathe; the engineering wheel fittings are thin-wall parts, which are easy to deform, so that the processed workpieces are inconsistent in depth, easy to disorder, and poor in finish. In addition, the width of the knurling tool is 8-12mm, and the knurling width of the tubeless wheel accessory is required to be 40-50mm, so that the processing efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problems of large main shaft stress, quick equipment precision loss, large size fluctuation, easy pattern disorder, easy workpiece extrusion deformation during knurling and low processing efficiency by providing pattern knurling equipment for a rim of an engineering machinery wheel so as to solve the problems of large main shaft stress, quick equipment precision loss, easy pattern disorder during knurling.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a pattern knurling equipment of rim for engineering machine tool wheel, includes the organism, be provided with the blade holder on the organism, the blade holder with organism sliding connection, one side of blade holder is provided with the sharp actuating mechanism that is used for driving the blade holder is horizontal rectilinear motion, and the opposite side is provided with the knurling tool, the blade holder upper end is provided with rotary driving mechanism, rotary driving mechanism with the knurling tool transmission is connected, in order to drive the knurling tool is rotary motion; the machine body is internally provided with a main shaft structure, the main shaft structure is vertically arranged and is rotationally connected with the machine body, the shaft end of the main shaft structure extends out of the machine body, the shaft end of the main shaft structure is provided with a rolling support disc for placing a workpiece to be processed, the rolling support disc is positioned on the side face of the knurling cutter, and the shape of the rolling support disc is matched with the shape of the workpiece to be processed.
The rotary driving mechanism is a hydraulic motor, a main driving gear is arranged on a rotating shaft of the hydraulic motor, the main driving gear is meshed with a driven gear, and the driven gear and the knurling cutter are arranged on the same rotating shaft.
The machine body is provided with a linear guide rail, a sliding plate is arranged at the bottom of the tool apron, a sliding block matched with the linear guide rail is arranged at the bottom of the sliding plate, and the sliding block is in sliding connection with the linear guide rail.
Wherein, the knurling tool is cylindric, just equipartition has tooth on the circumference of knurling tool.
The rolling support disc is provided with a conical portion matched with the portion, to be knurled, of the workpiece to be machined, a preset angle is formed between the rotation axis of the knurling tool and a horizontal line, the preset angle corresponds to the conical portion, the rotation axis of the knurling tool is coplanar with the rotation center line of the rolling support disc, and when knurling is carried out, an outer circle generatrix of the knurling tool is tangent to an outer circle generatrix of the portion, to be knurled, of the workpiece to be machined.
The side face of the tool apron is provided with a groove for installing the knurling tool, and a rotating shaft of the knurling tool is installed on the wall of the groove.
Wherein, the inside wall of recess with the axis of revolution of knurling tool is perpendicular.
The linear driving mechanism is an oil cylinder, and the end part of a piston rod of the oil cylinder is fixedly connected with the side surface of the tool apron so as to drive the tool apron to linearly reciprocate.
The technical scheme of the utility model has the following beneficial effects:
in the scheme, the pattern knurling equipment of the rim for the engineering machinery wheel adopts a cutter with proper width, machining can be completed once, the workpiece is small in machining deformation, the pattern finish is increased, the size consistency is good, the machining can be performed by using an automatic production line, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a workpiece to be machined to which the knurling apparatus of the present utility model is adapted;
FIG. 2 is an enlarged view of the pattern of the workpiece to be machined in FIG. 1;
FIG. 3 is a schematic illustration of the use of the knurling apparatus of the present utility model;
FIG. 4 is a schematic view of the pattern knurling apparatus of the present utility model;
fig. 5 is a schematic view of a rotary driving mechanism and a transmission connection mode of the pattern knurling device of the utility model.
[ reference numerals ]
1. A body; 2. an oil cylinder; 3. a tool apron; 4. a hydraulic motor; 5. a driven gear;
6. a workpiece to be processed; 7. a knurling tool; 8. a slide block; 9. rolling the supporting disc; 10. a main drive gear;
11. a spindle structure; 12. and (3) a sliding plate.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, an embodiment of the present utility model provides a pattern knurling device for a wheel rim of an engineering machine, including a machine body 1, a tool apron 3 is provided on the machine body 1, the tool apron 3 is slidably connected with the machine body 1, one side of the tool apron 3 is provided with a linear driving mechanism for driving the tool apron 3 to do horizontal linear motion, the other side is provided with a knurling tool 7, the upper end of the tool apron 3 is provided with a rotary driving mechanism, and the rotary driving mechanism is in transmission connection with the knurling tool 7 to drive the knurling tool 7 to do rotary motion; the machine body 1 is internally provided with a main shaft structure 11, the main shaft structure 11 is vertically arranged and is rotationally connected with the machine body 1, the shaft end of the main shaft structure 11 extends out of the machine body 1, the shaft end of the main shaft structure 11 is provided with a rolling support disc 9 used for placing a workpiece 6 to be processed, the rolling support disc 9 is located on the side face of the knurling tool 7, and the shape of the rolling support disc 9 is matched with the shape of the workpiece 6 to be processed.
As shown in fig. 1, the workpiece 6 to be processed is a cylindrical workpiece, one end of the workpiece is provided with a transitional flanging, and a circle of toothed grooves which are required to be knurled and are uniformly distributed is formed at the excircle of the flanging. The workpiece 6 to be machined is an important part before welding (assembling) the wheel set of the engineering machine.
As shown in fig. 3 and 4, the rotation driving mechanism is a hydraulic motor 4, a main driving gear 10 is arranged on a rotating shaft of the hydraulic motor 4, the main driving gear 10 is meshed with a driven gear 5, and the driven gear 5 and the knurling tool 7 are arranged on the same rotating shaft. When the hydraulic motor 4 rotates, the main driving gear 10 is driven to rotate, and the main driving gear 10 drives the driven gear 5 to rotate, so that the knurling tool 7 is driven to rotate.
In this embodiment, a linear guide rail is disposed on the machine body 1, a sliding plate 12 is disposed at the bottom of the tool apron 3, a sliding block 8 adapted to the linear guide rail is disposed at the bottom of the sliding plate 12, and the sliding block 8 is slidably connected with the linear guide rail.
As shown in fig. 3, the knurling tool 7 is cylindrical, the width of the knurling tool 7 is the same as the width of the knurling pattern required, teeth are uniformly distributed on the circumference of the knurling tool 7, and the shape of the teeth is the same as the tooth shape of the knurling pattern.
In this embodiment, the portion to be knurled of the workpiece 6 to be machined has a predetermined taper, the rolling support disc 9 is provided with a taper portion adapted to the portion to be knurled of the workpiece 6 to be machined, the taper of the taper portion is consistent with the taper of the portion to be knurled of the workpiece 6 to be machined, a predetermined angle is formed between the rotation axis of the knurling tool 7 and a horizontal line, the predetermined angle corresponds to the taper of the taper portion, and the rotation axis of the knurling tool 7 is coplanar with the rotation center line of the rolling support disc 9, and when knurling is performed, an outer circle generatrix of the knurling tool 7 is tangent to an outer circle generatrix of the portion to be knurled of the workpiece 6 to be machined, so that the rolled pattern meets the requirement.
As shown in fig. 5, a groove for installing the knurling tool 7 is formed in the side surface of the tool apron 3, the rotating shaft of the knurling tool 7 is installed on the wall of the groove, and the inner side wall of the groove is perpendicular to the rotation axis of the knurling tool 7.
In this embodiment, the linear driving mechanism is an oil cylinder 2, and an end of a piston rod of the oil cylinder 2 is fixedly connected with a side surface of the tool apron 3, so as to drive the tool apron 3 to reciprocate linearly, so that the knurling tool 7 compresses or leaves the workpiece 6 to be processed.
As shown in fig. 3 and 4, the diameter of the outer circle of the rolling support disc 9 is slightly smaller than the inner diameter of the workpiece 6 to be processed, and the shape of the outer circle of the rolling support disc 9 is consistent with the shape of the inner circle of the workpiece 6 to be processed, so that when the knurling cutter 7 presses the knurling of the workpiece 6 to be processed, the contact part of the workpiece 6 to be processed and the rolling support disc 9 is ensured to be consistent.
Because the diameter of the outer circle of the rolling support disc 9 is slightly smaller than the inner diameter of the workpiece 6 to be processed, the workpiece is convenient to assemble and disassemble, meanwhile, the workpiece 6 to be processed and the rolling support disc 9 form line contact compression during knurling, an unpowered rotary system is formed by the rolling support disc 9 and the main shaft structure 11, and when the knurling cutter 7 in a rotating state gradually compresses the workpiece 6 to be processed and finally presses the knurling cutter to a design depth for knurling, the workpiece 6 to be processed starts to drive the rolling support disc 9 to rotate after the knurling cutter 7 contacts.
The working process of the pattern knurling equipment of the rim for the engineering machinery wheel provided by the utility model is as follows:
the hydraulic station is started, the hydraulic motor 4 rotates to drive the knurling tool 7 to rotate, the piston rod of the oil cylinder 2 extends out, the knurling tool 7 gradually presses the workpiece 6 to be processed while rotating, patterns with a certain depth are formed on the outer circumference of the workpiece 6 to be processed gradually, after the patterns reach the depth, the piston rod of the oil cylinder 2 is retracted to be in place, the hydraulic motor 4 stops rotating, and the working cycle is completed.
In the scheme, the pattern knurling equipment of the rim for the engineering machinery wheel adopts a cutter with proper width, machining can be completed once, the workpiece is small in machining deformation, the pattern finish is increased, the size consistency is good, the machining can be performed by using an automatic production line, and the production efficiency is greatly improved.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The pattern knurling equipment for the wheel rim of the engineering machinery comprises a machine body, and is characterized in that a cutter holder is arranged on the machine body, the cutter holder is in sliding connection with the machine body, a linear driving mechanism for driving the cutter holder to do horizontal linear motion is arranged on one side of the cutter holder, a knurling cutter is arranged on the other side of the cutter holder, a rotary driving mechanism is arranged at the upper end of the cutter holder, and the rotary driving mechanism is in transmission connection with the knurling cutter so as to drive the knurling cutter to do rotary motion;
the machine body is internally provided with a main shaft structure, the main shaft structure is vertically arranged and is rotationally connected with the machine body, the shaft end of the main shaft structure extends out of the machine body, the shaft end of the main shaft structure is provided with a rolling support disc for placing a workpiece to be processed, the rolling support disc is positioned on the side face of the knurling cutter, and the shape of the rolling support disc is matched with the shape of the workpiece to be processed.
2. The pattern knurling device of a wheel rim for a construction machine wheel according to claim 1, wherein the rotary driving mechanism is a hydraulic motor, a main driving gear is provided on a rotating shaft of the hydraulic motor, the main driving gear is meshed with a driven gear, and the driven gear and the knurling cutter are provided on the same rotating shaft.
3. The pattern knurling device for a wheel rim of an engineering machine tool according to claim 1, wherein a linear guide rail is arranged on the machine body, a sliding plate is arranged at the bottom of the tool apron, a sliding block matched with the linear guide rail is arranged at the bottom of the sliding plate, and the sliding block is in sliding connection with the linear guide rail.
4. The pattern knurling apparatus of a rim for a wheel of an engineering machine as set forth in claim 1, wherein the knurling tool has a cylindrical shape, and teeth are uniformly distributed on the circumference of the knurling tool.
5. The pattern knurling apparatus of a rim for a wheel of an engineering machine tool according to claim 4, wherein the portion to be knurled of the workpiece to be machined has a predetermined taper, the rolling support plate is provided with a tapered portion adapted to the portion to be knurled of the workpiece to be machined, a predetermined angle is formed between a rotation axis of the knurling tool and a horizontal line, the predetermined angle corresponds to the taper of the tapered portion, and the rotation axis of the knurling tool is coplanar with a rotation center line of the rolling support plate, and an outer circular generatrix of the knurling tool is tangent to an outer circular generatrix of the portion to be knurled of the workpiece to be machined when knurling is performed.
6. The pattern knurling apparatus of a rim for a construction machine wheel according to claim 1, wherein a groove for mounting the knurling tool is formed in a side surface of the tool holder, and a rotation shaft of the knurling tool is mounted on a wall of the groove.
7. The pattern knurling device of a wheel rim for a construction machine according to claim 6, wherein an inner side wall of the groove is perpendicular to a rotation axis of the knurling tool.
8. The pattern knurling device for a wheel rim of an engineering machine tool according to claim 1, wherein the linear driving mechanism is an oil cylinder, and an end of a piston rod of the oil cylinder is fixedly connected with a side surface of the tool apron to drive the tool apron to linearly reciprocate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530861.1U CN220093644U (en) | 2023-06-15 | 2023-06-15 | Pattern knurling equipment of rim for engineering machinery wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530861.1U CN220093644U (en) | 2023-06-15 | 2023-06-15 | Pattern knurling equipment of rim for engineering machinery wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220093644U true CN220093644U (en) | 2023-11-28 |
Family
ID=88872575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321530861.1U Active CN220093644U (en) | 2023-06-15 | 2023-06-15 | Pattern knurling equipment of rim for engineering machinery wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220093644U (en) |
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2023
- 2023-06-15 CN CN202321530861.1U patent/CN220093644U/en active Active
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