CN213497512U - Feeding seat easy to assemble and disassemble - Google Patents
Feeding seat easy to assemble and disassemble Download PDFInfo
- Publication number
- CN213497512U CN213497512U CN202022073640.9U CN202022073640U CN213497512U CN 213497512 U CN213497512 U CN 213497512U CN 202022073640 U CN202022073640 U CN 202022073640U CN 213497512 U CN213497512 U CN 213497512U
- Authority
- CN
- China
- Prior art keywords
- base
- positioning
- roller
- pressing block
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
A bottom plate is arranged below the feeding seat, a roller assembly is arranged on the bottom plate, a supporting rod is further arranged on the bottom plate, a mounting plate is fixedly connected to the supporting rod, and a pressing head assembly is arranged on the mounting plate; the roller assembly comprises a base, a roller pair and a pressing block, the base is installed on the bottom plate, the roller pair is arranged on the two sides of the base, the pressing block is installed on the base, and the pressing block is pressed on the roller pair. The roller pair is arranged in the groove of the base, the roller pair is limited in the groove of the base by the pressing block, and the roller pair can be quickly replaced by screwing or loosening the bolt, so that the maintenance efficiency can be improved. And the pressing block does not need to be replaced during maintenance, and only the roller pair needs to be replaced, so that the maintenance cost can be reduced.
Description
Technical Field
The utility model relates to a cold roll extrusion processing, concretely relates to feeding seat of cold roll extrusion processing.
Background
The cold rolling and extruding process is one surface cold hard finishing process, which includes rolling and extruding high hardness and smooth roller and the surface of workpiece to make the surface material of the workpiece produce plastic flow and form new surface roughness. The metallographic structure of the surface layer of the workpiece processed by cold rolling extrusion is refined and residual compressive stress is generated, so that the surface hardness, the bearing capacity, the wear resistance, the fatigue strength and the corrosion resistance of the workpiece are improved, and a working mirror surface with excellent surface performance can be obtained.
Since the workpiece is usually a long cylindrical workpiece, and the workpiece is placed on the roller set for cold roll extrusion processing, the workpiece and the rollers in the plurality of roller sets are pressed against each other. In the long-term cold roll extrusion process, the rollers and the wheel shafts in the roller group have deformation and loss in different degrees, and the roller group needs to be replaced by a new one. In the past, the roller set directly fixes the wheel shaft on the pressing block, and then the pressing block is directly installed on the bottom plate. Therefore, when a new roller set is replaced, the pressing blocks need to be replaced together, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the maintenance cost of replacing the roller group in the cold rolling and extruding process of the workpiece is reduced.
The needle is with above-mentioned problem, the utility model provides a technical scheme is: a bottom plate is arranged below the feeding seat, a roller assembly is arranged on the bottom plate, a supporting rod is further arranged on the bottom plate, a mounting plate is fixedly connected to the supporting rod, and a pressing head assembly is arranged on the mounting plate; the roller assembly comprises a base, a roller pair and a pressing block, the base is installed on the bottom plate, the roller pair is arranged on the two sides of the base, the pressing block is installed on the base, and the pressing block is pressed on the roller pair.
Preferably, the base comprises a main body and a positioning block, the main body is a strip-shaped cuboid, and the positioning block is a bump integrally formed on the main body; a notch is formed between two adjacent positioning blocks, and a waist-shaped hole penetrating through the main body is formed in the main body at each notch; the upper end of each positioning block is provided with a groove, and the groove of each positioning block is also provided with a positioning hole in the vertical direction.
Preferably, the roller pair comprises a wheel shaft and rollers, wherein one roller is mounted at each end of the wheel shaft, one roller pair is arranged on each of two sides of the groove of the positioning block, the wheel shaft of each roller pair is placed in the groove of the positioning block, and the two rollers of the roller pair extend out of the positioning block.
Preferably, the pressing block comprises an upper end part and a lower end part, the upper end part and the lower end part are integrally formed, the upper end part of the pressing block is a cuboid, the lower end part of the pressing block is a quadrangular prism, and the cross section of the quadrangular prism is an isosceles trapezoid, so that two sides of the lower end part of the pressing block are provided with inclined planes; the pressing block is placed on the positioning block, two inclined planes at the lower end part of the pressing block are pressed on the wheel shafts of the roller pairs, a mounting hole penetrating through the pressing block is formed in the middle of the pressing block, the mounting hole is aligned with the positioning hole of the positioning block, and the bolt sequentially penetrates through the mounting hole in the pressing block and the positioning hole of the positioning block and can mount the two roller pairs in the groove of the positioning block.
Preferably, the feeding seat further comprises a sleeve assembly arranged on the bottom plate, the sleeve assembly comprises a cover plate, a base, an outer sleeve and an inner sleeve, and the lower end of the cover plate and the upper end of the base are provided with through arc-shaped through holes; when the cover plate covers the base, the arc-shaped through holes of the cover plate and the base are connected into a cylindrical through hole, an outer sleeve is arranged in the cylindrical through hole, a through hole is formed in the outer sleeve, and the inner sleeve is arranged in the through hole of the outer sleeve in an interference fit mode.
Preferably, the pressure head assembly comprises a bearing, a pin shaft and a positioning frame, a cavity with an opening at the lower end is arranged in the positioning frame, and the cross section of the positioning frame is C-shaped; and a bearing is arranged in a cavity of the positioning frame, and the pin shaft penetrates through the positioning frame and the bearing to install the bearing on the positioning frame.
Preferably, the pressure head assembly further comprises a pressure rod and a guide seat, the upper end of the positioning frame is connected to the lower end of the pressure rod, a through cylindrical through hole is formed in the guide seat, and the guide seat is sleeved on the pressure rod.
Preferably, the pressure head assemblies arranged on the mounting plate are more than two, a coupling is arranged between the pin shafts of the two adjacent pressure head assemblies, and two ends of the coupling are fixedly connected with one pin shaft.
The utility model has the beneficial technical effects that: the roller pair is arranged in the groove of the base, the roller pair is limited in the groove of the base by the pressing block, and the roller pair can be quickly replaced by screwing or loosening the bolt, so that the maintenance efficiency can be improved. And the pressing block does not need to be replaced during maintenance, and only the roller pair needs to be replaced, so that the maintenance cost can be reduced.
Drawings
FIG. 1 is a schematic overall structure diagram according to a first embodiment;
FIG. 2 is a schematic perspective view of a base and a roller set according to a first embodiment;
FIG. 3 is a schematic perspective view of a base according to an embodiment;
FIG. 4 is a partially enlarged perspective view of a base and a roller set according to a first embodiment;
FIG. 5 is a schematic perspective view of a press block;
FIG. 6 is a schematic perspective view of a bushing assembly according to an embodiment;
FIG. 7 is a front view of a head assembly according to an embodiment;
in the figure: 1 pressure head component, 11 bearings, 12 pin shafts, 13 pressure levers, 14 positioning frames, 15 guide seats, 2 mounting plates, 3 couplings, 4 bottom plates, 5 roller components, 51 rollers, 52 wheel shafts, 53 pressing blocks, 54 mounting holes, 55 upper end parts, 56 lower end parts, 6 sleeve components, 61 cover plates, 62 bases, 63 outer sleeves, 64 inner sleeves, 7 piston rods, 8 supporting rods, 9 bases, 91 main bodies, 92 positioning blocks, 93 positioning holes, 94 notches and 95 waist-shaped holes.
Detailed Description
The invention is further described below with reference to the following examples and figures:
example one
As shown in FIG. 1, the feeding base for cold roll extrusion processing comprises a bottom plate 4, a roller assembly 5, a sleeve assembly 6, a support rod 8, a mounting plate 2 and a pressure head assembly 1. A bottom plate 4 is arranged below the feeding seat, a roller assembly 5 is arranged on the bottom plate 4, and a sleeve assembly 6 is fixed at one end of the bottom plate 4. The bottom plate 4 is further provided with a support rod 8, the support rod 8 is fixedly connected with a mounting plate 2, and the mounting plate 2 is provided with a pressure head assembly 1. The pressure head subassembly 1 that sets up on the mounting panel 2 is more than two, is provided with shaft joint 3 between the round pin axle 12 of two adjacent pressure head subassemblies 1, and the both ends of shaft joint 3 all respectively with a round pin axle 12 fixed connection. The workpiece to be processed in this embodiment is a piston rod, and the piston rod passes through the sleeve assembly 6 and is placed on the roller assembly 5, so that the piston rod is subjected to cold roll extrusion processing by using the pressure head assembly 1.
As shown in fig. 2, 3, 4 and 5, the base is disposed on the bottom plate, and includes a main body 91 and a positioning block 92, the main body 91 is a rectangular cuboid, and the positioning block 92 is a cuboid bump integrally formed on the main body 91. A notch 94 is formed between two adjacent positioning blocks 92, and a waist-shaped hole 95 penetrating through the main body 91 is formed on the main body 91 at each notch 94. The base plate is provided with a threaded hole corresponding to the waist-shaped hole 95, and a bolt sequentially penetrates through the waist-shaped hole 95 and the threaded hole in the base plate, so that the base is fixed on the base plate.
The upper end of each positioning block 92 of the base is provided with a groove, and the groove of the positioning block 92 is also provided with a positioning hole 93 in the vertical direction. The roller assembly 5 comprises a base, a roller pair and a pressing block, wherein the roller pair comprises a roller 51 and a wheel shaft 52, and the two ends of the wheel shaft 52 are respectively provided with the roller 51. Two sides of the groove of the positioning block 92 of the base are respectively provided with a roller pair, the wheel shaft 52 of each roller pair is placed in the groove of the positioning block 92, and the two rollers of the roller pair extend out of the positioning block 92.
The pressing block 53 comprises an upper end portion 55 and a lower end portion 56, the upper end portion 55 and the lower end portion 56 are integrally formed, the upper end portion 55 of the pressing block 53 is a cuboid, the lower end portion 56 of the pressing block 53 is a quadrangular prism, and the cross section of the quadrangular prism is isosceles trapezoid, so that two sides of the lower end portion 56 of the pressing block 53 are provided with inclined planes. The pressing block 53 is arranged on the positioning block 92, two inclined surfaces of the lower end part 56 of the pressing block 53 press on the wheel shaft 52 of the roller pair, the middle of the pressing block 53 is also provided with an installation hole 54 penetrating through the pressing block 53, and the installation hole 54 is aligned with the positioning hole 93 of the positioning block 92. The bolt passes through the mounting hole 54 on the pressing block 53 and the positioning hole 93 of the positioning block 92 in sequence, so that the two roller pairs can be mounted in the groove of the positioning block 92. After the roller pairs and the pressing block 53 are installed, the wheel shaft 52 of each roller pair is pressed and limited between the inner side surface of the groove of the positioning block 92 and the inclined surface of the lower end 56 of the pressing block 53, and the roller 51 can still rotate around the wheel shaft 52.
As shown in fig. 1 and 6, the sleeve assembly 6 includes a cover plate 61, a base 62, an outer sleeve 63, and an inner sleeve 64, and the lower end of the cover plate 61 and the upper end of the base 62 are provided with circular arc-shaped through holes. When the cover plate 61 is closed on the base 62, the arc-shaped through holes of the cover plate 61 and the base 62 are connected to form a cylindrical through hole in which the outer sleeve 63 is disposed. Bolt holes are formed in the cover plate 61 and the base 62, the cover plate 61 can be tightly pressed on the base 62 by tightening the bolts, and at the moment, the outer sleeve 63 can be tightly pressed by the cover plate 61 and the base 62 together. The outer sleeve 63 is provided with a through hole, and the inner sleeve 64 is arranged in the through hole of the outer sleeve 63 in an interference fit manner. In this embodiment, the outer sleeve 63 is made of a metallic material, the inner sleeve 64 is made of an elastic material, and the piston rod is placed in the inner sleeve 64. Therefore, when the piston rod is subjected to cold roll extrusion between the pressure head assembly 1 and the roller assembly 5, the piston rod is not abraded or scratched in the elastic inner sleeve 64.
As shown in fig. 1 and 7, the pressure head assembly 1 includes a bearing 11, a pin shaft 12, a positioning frame 14, a pressure rod 13 and a guide seat 15, a cavity with an opening at the lower end is arranged in the positioning frame 14, and the vertical section of the positioning frame 14 is C-shaped. The bearing 11 is arranged in the cavity of the positioning frame 14, and the pin shaft 12 penetrates through the positioning frame 14 and the bearing 11 to mount the bearing 11 on the positioning frame 14, so that the bearing 11 can rotate around the pin shaft 12. The upper end of the positioning frame 14 is connected with the lower end of the pressure rod 13. In this embodiment, the guide seat 15 is a rectangular parallelepiped, a vertically through cylindrical through hole is formed in the guide seat 15, the guide seat 15 is sleeved on the pressure rod 13, and the outer side of the guide seat 15 is fixedly connected to the mounting plate 2.
It will be apparent that modifications and variations are possible without departing from the principles of the invention.
Claims (8)
1. The feeding seat is characterized in that a bottom plate is arranged below the feeding seat, a roller assembly is mounted on the bottom plate, a supporting rod is further mounted on the bottom plate, a mounting plate is fixedly connected to the supporting rod, and a pressing head assembly is arranged on the mounting plate; the roller assembly comprises a base, a roller pair and a pressing block, the base is installed on the bottom plate, the roller pair is arranged on the two sides of the base, the pressing block is installed on the base, and the pressing block is pressed on the roller pair.
2. The feeding base easy to assemble and disassemble as claimed in claim 1, wherein the base comprises a main body and a positioning block, the main body is a strip-shaped cuboid, and the positioning block is a bump integrally formed on the main body; a notch is formed between two adjacent positioning blocks, and a waist-shaped hole penetrating through the main body is formed in the main body at each notch; the upper end of each positioning block is provided with a groove, and the groove of each positioning block is also provided with a positioning hole in the vertical direction.
3. The easy-to-mount/dismount as claimed in claim 2, wherein the roller pair comprises a roller shaft and a roller, one roller is mounted on each end of the roller shaft, one roller pair is disposed on each side of the groove of the positioning block, the roller shaft of each roller pair is disposed in the groove of the positioning block, and both rollers of the roller pair extend out of the positioning block.
4. The easy-to-assemble and disassemble feed holder according to claim 3, wherein the pressing block comprises an upper end part and a lower end part, the upper end part and the lower end part are integrally formed, the upper end part of the pressing block is a cuboid, the lower end part of the pressing block is a quadrangular prism, and the cross section of the quadrangular prism is an isosceles trapezoid, so that two sides of the lower end part of the pressing block are provided with inclined surfaces; the pressing block is placed on the positioning block, two inclined planes at the lower end part of the pressing block are pressed on the wheel shafts of the roller pairs, a mounting hole penetrating through the pressing block is formed in the middle of the pressing block, the mounting hole is aligned with the positioning hole of the positioning block, and the bolt sequentially penetrates through the mounting hole in the pressing block and the positioning hole of the positioning block and can mount the two roller pairs in the groove of the positioning block.
5. The easy-to-assemble and disassemble feeding base of claim 1, further comprising a sleeve assembly mounted on the bottom plate, wherein the sleeve assembly comprises a cover plate, a base, an outer sleeve and an inner sleeve, and the lower end of the cover plate and the upper end of the base are provided with circular arc through holes; when the cover plate covers the base, the arc-shaped through holes of the cover plate and the base are connected into a cylindrical through hole, an outer sleeve is arranged in the cylindrical through hole, a through hole is formed in the outer sleeve, and the inner sleeve is arranged in the through hole of the outer sleeve in an interference fit mode.
6. The feeding base easy to assemble and disassemble as claimed in claim 1, wherein the pressure head assembly comprises a bearing, a pin shaft and a positioning frame, a cavity with an opening at the lower end is arranged in the positioning frame, and the cross section of the positioning frame is C-shaped; and a bearing is arranged in a cavity of the positioning frame, and the pin shaft penetrates through the positioning frame and the bearing to install the bearing on the positioning frame.
7. The feeding base easy to assemble and disassemble as claimed in claim 6, wherein the pressing head assembly further comprises a pressing rod and a guide base, the upper end of the positioning frame is connected to the lower end of the pressing rod, a through cylindrical through hole is formed in the guide base, and the guide base is sleeved on the pressing rod.
8. The feeding base easy to disassemble and assemble according to claim 7, wherein the mounting plate is provided with more than two pressing head assemblies, a coupler is arranged between the pin shafts of two adjacent pressing head assemblies, and both ends of the coupler are fixedly connected with one pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022073640.9U CN213497512U (en) | 2020-09-21 | 2020-09-21 | Feeding seat easy to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022073640.9U CN213497512U (en) | 2020-09-21 | 2020-09-21 | Feeding seat easy to assemble and disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213497512U true CN213497512U (en) | 2021-06-22 |
Family
ID=76448881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022073640.9U Active CN213497512U (en) | 2020-09-21 | 2020-09-21 | Feeding seat easy to assemble and disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213497512U (en) |
-
2020
- 2020-09-21 CN CN202022073640.9U patent/CN213497512U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213497512U (en) | Feeding seat easy to assemble and disassemble | |
| CN213497511U (en) | Take ejection of compact seat of abrasionproof decreases structure | |
| CN217233891U (en) | Circulating fan convenient to flabellum dismouting is changed | |
| CN214813615U (en) | Mounting structure of rolling mill roller bearing who shocks resistance | |
| CN210938000U (en) | Bearing cap sleeving tool | |
| CN213288157U (en) | Simple roller way fixing device | |
| CN215470877U (en) | A dismouting subassembly for compression roller bearing | |
| CN210358535U (en) | Half steel roll with good shockproof effect | |
| CN211314869U (en) | Bearing seat assembly structure | |
| CN213288156U (en) | Roller way quick-changing device | |
| CN110900154A (en) | Bearing cap sleeving tool | |
| CN220010943U (en) | Elastic pressing device of material conveying and transferring equipment | |
| CN215491266U (en) | Movable pressing plate mounting structure of plate heat exchanger | |
| CN221109445U (en) | Roll shaft assembly for stretch bending straightening equipment | |
| CN219649149U (en) | Bearing pressure equipment device around two jackshafts | |
| CN215697672U (en) | High-strength and corrosion-resistant steel pipe fitting forging support device | |
| CN220241297U (en) | Cold rolling pull rod dismounting device | |
| CN210565936U (en) | Assembled rubber spring | |
| CN214213654U (en) | Quick dismounting device of bearing frame | |
| CN216728949U (en) | Cylinder barrel rolling die | |
| CN214558226U (en) | Flexible friction stir welding post-welding rolling device | |
| CN221086914U (en) | Forming die for nonferrous metal rolled material production | |
| CN109262319B (en) | Multi-station hydraulic clamp for horizontal machining center of steering knuckle and application method of multi-station hydraulic clamp | |
| CN113182360B (en) | Device for eliminating screw thread clearance of pull rod of short stress line rolling mill and using method | |
| CN219725106U (en) | Ear plate welding positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |