CN209349916U - A kind of special pipe Milling Machining fixture - Google Patents
A kind of special pipe Milling Machining fixture Download PDFInfo
- Publication number
- CN209349916U CN209349916U CN201821982329.2U CN201821982329U CN209349916U CN 209349916 U CN209349916 U CN 209349916U CN 201821982329 U CN201821982329 U CN 201821982329U CN 209349916 U CN209349916 U CN 209349916U
- Authority
- CN
- China
- Prior art keywords
- plate
- special pipe
- positioning plate
- cylinder
- positioning
- 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.)
- Withdrawn - After Issue
Links
- 238000003801 milling Methods 0.000 title claims abstract description 22
- 238000003754 machining Methods 0.000 title claims abstract description 21
- 239000000872 buffer Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000001788 irregular Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a kind of special pipe Milling Machining fixture, including fixed plate and positioning plate, movement slots are offered in fixed plate, promotion column is provided in movement slots, it pushes and is connected with control sleeve on column, control screw rod is installed in control sleeve, baffle is provided in control fixed plate, braking cavity is provided on baffle, promotion slot is offered on positioning plate, braking fixture block is provided on positioning plate, support column and rotary cylinder are installed on positioning plate, the movable end of rotary cylinder is fixedly connected with briquetting, positioning cylinder and pushing plate are installed on positioning plate, positioning plate is fixedly installed with limit plate, locating slot is provided on positioning plate, telescoping cylinder is installed in locating slot, the movable end of telescoping cylinder is connected with pressure holding plate, positioning plate is pushed to designated position using control screw rod and control sleeve, position special pipe, in the pressure of rotary cylinder and briquetting It holds down, the position by special pipe relative to positioning plate is fixed.
Description
Technical field
The utility model relates to clamp fixture technical fields, are related to a kind of special pipe Milling Machining fixture.
Background technique
When processing to special pipe, since special pipe is in thin wall shape, partially long and outer wall shape is irregular revolution shape,
Before carrying out Milling Machining cutting to it, need to position it and clamped, i.e., it will be between special pipe and Milling Machining lathe
Position determines relatively, later fixes the position of special pipe, processes to it, and the space of machine tooling is smaller, causes different
The positioning of shape pipe and clamping process are not easy to carry out, therefore need a kind of tooling that special pipe can be positioned and be clamped.
Utility model content
Technical problem to be solved by the utility model is: special pipe is in irregular shape due to its own, is positioning and pressing from both sides
There is inconvenience when holding more.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of special pipe Milling Machining fixture, including
The fixed plate being mounted in lathe and the positioning plate being movably installed in fixed plate offer movement in the fixed plate
Slot is movably provided with promotion column in the movement slots, is connected with control sleeve on the promotion column, in the control sleeve
Control screw rod is installed, one end of the control screw rod and lathe are rotatablely connected, the other end of the control screw rod and the control
Bush whorl processed connects, and the side of the relatively described movement slots is provided with baffle in the fixed plate, and system is provided on the baffle
Cavity is moved, the promotion slot with the promotion column cooperation is offered on the positioning plate, is provided with and the system on the positioning plate
The braking fixture block of cavity cooperation is moved, support column and rotary cylinder, the movable end of the rotary cylinder are installed on the positioning plate
It is fixedly connected with the briquetting of cooperation support column pressure holding special pipe, positioning cylinder is installed on the positioning plate and set on described fixed
The pushing plate of position cylinder extension end, the positioning plate are fixedly installed with limit plate corresponding with pushing plate, go back on the positioning plate
It is provided with locating slot, the side where side and the promotion slot where the locating slot is vertical, is equipped in the locating slot
Telescoping cylinder, the movable end of the telescoping cylinder penetrate positioning plate, and the movable end of the telescoping cylinder is equipped with the pressure holding of pressure holding positioning plate
Plate.
Further, braking item, the lower surface for braking cavity by braking item, baffle are fixedly installed on the baffle
Medial surface and the upper surface of fixed plate surround.
Further, control nut is provided on the periphery of the control screw rod, the control nut setting is controlling
It is in integrated formed structure between the control nut and the control screw rod between sleeve and lathe inner wall.
Further, the position of the control screw rod and lathe contact is provided with bearing, and the inner ring of the bearing is socketed in
On the periphery for controlling screw rod, the outer ring of the bearing is fixed in the inner wall of lathe.
Further, the cross sectional shape of the pressure holding plate is identical with locating slot, and the area in the section of the pressure holding plate is greater than
The area of section of locating slot, the pressure holding plate are bonded the surface of positioning plate under the pressure holding of telescoping cylinder.
Further, the processing groove for accommodating special pipe is provided on the support column, every three of the support column supports one
Special pipe, the rotary cylinder are arranged between two special pipes, and the piston end of the rotary cylinder does nine when ejecting briquetting
Ten degree of rotations.
Further, buffer stopper is fixedly installed with below the briquetting, the buffer stopper is bonded the non-processing of special pipe
Region.
Further, supporting rod is installed, the fixing end of the positioning cylinder, which is fixedly mounted on, is supporting on the positioning plate
It holds on column, the positioning cylinder connection supporting rod and pushing plate, the pushing plate and special pipe are in the same plane, and are pushed
Axis of the axis of plate perpendicular to special pipe.
Further, the pushing plate is parallel with limit plate, and the pushing plate and limit plate set up separately at the both ends of special pipe.
Further, the telescoping cylinder is cylinder or hydraulic cylinder.
The utility model has the beneficial effects that special pipe is pushed to finger using control screw rod and fixed plate outside lathe
Positioning is set, and rotary cylinder and briquetting is recycled to fix the special pipe relative position after positioning, then closes the gas in positioning plate
Road, using the negative pressure and atmospheric pressure in positioning plate, the relative position between special pipe and positioning plate is fixed, is finally positioned by briquetting
Plate carries special pipe, installs to the fixed plate in lathe, and using rotation of the control screw rod in control sleeve, positioning plate is pushed away
It moves to designated position, positioning plate is fixed in fixed plate by telescoping cylinder and pressure holding plate, to realize the quick of positioning plate and special pipe
Positioning and fixed effectively raises the speed of clamping special pipe and convenient due to being to clamp outside lathe to special pipe
Property, and use and telescoping cylinder then make position special pipe process standardization.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the perspective view of the utility model abnormity pipe clamp；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the main view of Fig. 2；
Fig. 4 is the cross-sectional view of the A-A hatching along Fig. 3；
In figure: fixed plate -1, positioning plate -2, pushes slot -21, locating slot -22, pushes column -3, control set movement slots -11
Cylinder -4, control screw rod -5, control nut -51, telescoping cylinder -6, pressure holding plate -7, support column -8, positioning cylinder -9, pushing plate -10,
Limit plate -12, rotary cylinder -13, briquetting -14, recessing groove -15, buffer stopper -16, supporting rod -17, baffle -18, braking item -
19。
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.On the contrary, the embodiments of the present invention include falling into owning within the scope of the spirit and intension of attached claims
Variation, modification and equivalent.
As shown in Figures 1 to 4, the utility model provides a kind of special pipe Milling Machining fixture, including is fixed on milling machine work
Make the fixed plate 1 on platform and fitting is clamped in the positioning plate 2 of 1 upper surface of fixed plate, special pipe is clamped on positioning plate 2, fixed
Plate 1 is constant to be mounted on milling machine table.
The side of fixed plate 1 is provided with movement slots 11, and movement slots 11 are provided with two sides adjacent in fixed plate 1, movement
Cooperation, which is interspersed with, in slot 11 pushes column 3, and push column 3 is rotatably connected with control sleeve 4, and the central axis of control sleeve 4 hangs down
Directly in the central axis for pushing column 3, meanwhile, 4 opening direction of control sleeve is identical with the notch direction of movement slots 11, control sleeve 4
It is inside provided with control screw rod 5, is controlled to be threadedly engaged between screw rod 5 and control sleeve 4, one end of control screw rod 5 is arranged in machine
In the inner wall of bed, the other end is interspersed in control sleeve 4, it is possible to understand that, control screw rod 5 does not depart from machine while rotation
The inner wall of bed is provided with control nut 51 on control screw rod 5, controls 51 He of nut for convenience of the rotation of drive control screw rod 5
Controlling is in integrated formed structure between screw rod 5, i.e. the rotation of control nut 51 drives the rotation of control screw rod 5, controls nut 51
It is arranged between control sleeve 4 and lathe, bearing is set in lathe, and controls screw rod 5 and assign into the inner ring of bearing, and axis
The outer ring held is fixed in the inner wall of lathe.
It is provided with and pushes column 3 to push slot 21 accordingly on the single side of positioning plate 2, and push slot 21 corresponding, in fixation
Baffle 18 is fixedly installed on plate 1, the setting of 18 semi-surrounding positioning plate 2 of baffle is fixedly installed with braking item on the surface of baffle 18
19, it brakes and forms braking cavity (not marking in figure), the side of positioning plate 2 between the lower surface of item 19 and the upper surface of fixed plate 1
Edge position is provided with and the braking cavity is braked fixture block (not marking in figure) accordingly, and it is intracavitary that braking fixture block is interspersed in brake empty,
It pushes column 3 to be interspersed in push in slot 21, by pushing column 3 and pushing the cooperation between slot 21, column 3 is pushed to drive 2 edge of positioning plate
Movement slots 11 are axially moved, until the brake empty that the braking fixture block at 2 edge of positioning plate interts to 19 lower section of braking item is intracavitary, positioning
The edge of plate 2 is aligned along baffle 18.
Along pushing 3 direction of motion of column to be provided with several locating slots 22 on positioning plate 2, locating slot 22 is in the edge of positioning plate 2,
And and promotion slot 21 is adjacent, telescoping cylinder 6 is fitted in locating slot 22, fixed plate 1 is arranged in the cylinder body of telescoping cylinder 6
Lower section, the piston end of telescoping cylinder 6 are threaded with pressure holding plate 7, and the upper end of locating slot 22 is arranged in pressure holding plate 7, pressure holding plate 7
Cross sectional shape is greater than the cross sectional shape of locating slot 22, in control nut 51 and under controlling the screw thread promotion of screw rod 52, on positioning plate 2
The engaging of locating slot 22 contradict on the piston rod of telescoping cylinder 6, pressing plate 7 under the traction of telescoping cylinder 6, fitting positioning plate 2
The relative position between positioning plate 2 and fixed plate 1 is fixed in upper surface.
Several support columns 8 are fixedly installed on positioning plate 2, support column 8 is installed vertically on the top of positioning plate 2, support column 8
Upper end be provided with the processing groove (not shown) matched with the shape of special pipe, special pipe is placed in processing groove, processing groove
Cell wall shape is identical with the special-shaped tube shape for needing to process, and two positioning cylinders 9 are symmetrically fixedly mounted on positioning plate 2, positions gas
The axis of cylinder 9 is parallel to the axis of special pipe, and pushing plate 10 is connected between two positioning cylinders 9, and pushing plate 10 is arranged different
The unilateral end of shape pipe is also equipped with limit plate 12 on positioning plate 2, and limit plate 12 and pushing plate 10 are correspondingly arranged at special pipe
The piston rod at both ends, positioning cylinder 9 pushes pushing plate 10 to move, and special pipe is pushed on limit plate 12, the end of special pipe
It is aligned on limit plate 12.
It is symmetrically installed between every two special pipes there are two rotary cylinder 13, the piston end of rotary cylinder 13 is connected with briquetting
14, briquetting 14 is bonded the upper surface for being pressed on special pipe, and briquetting 14 cooperates processing groove will be special-shaped under the traction of rotary cylinder 13
Pipe is fixed relative to the position of positioning plate 2, to guarantee that briquetting 14 and rotary cylinder 13 do not influence the Milling Machining of special pipe, rotation
Cylinder 13 completes 90 degree of rotation while rising when controlling briquetting 14 and moving, when briquetting 14 is fallen, the fitting of briquetting 14
It is the non-processing region of special pipe in the position of special-shaped pipe surface fitting.
Preferably, it is provided on the surface of fixed plate 1 and the corresponding recessing groove 15 of locating slot 22, the piston rod of telescoping cylinder 6
Extend to the top of positioning plate 2 through recessing groove 15, pressure holding plate 7 in the top of positioning plate 2, telescoping cylinder 6 it is flexible under, pressure holding
Plate 7 is bonded the upper surface of positioning plate 2, so that the relative position between positioning plate 2 and fixed plate 1 determines, in present embodiment, stretches
Contracting cylinder 6 is cylinder, and cylinder interior medium is relatively easy to, and can effectively control production cost.It should be understood that other not
In the embodiment shown, telescoping cylinder 6 can also be hydraulic cylinder.
Preferably, buffer stopper 16 made of resilient material, the fixed peace of buffer stopper 16 are set between briquetting 14 and special pipe
Mounted in the both ends of briquetting 14, under the control of rotary cylinder 13, buffer stopper 16 conforms to non-processing region in special-shaped pipe surface, delays
It rushes block 16 and buffers the pressure that briquetting 14 applies special pipe, to prevent special-shaped pipe surface from being deformed by pressure holding.
Preferably, be provided on positioning plate 2 with the corresponding supporting rod 17 of positioning cylinder 9, the supporting rod 17 is perpendicular to fixed
Position plate 2, on the fixing end right angle setting to the periphery of supporting rod 17 of positioning cylinder 9, positioning cylinder 9 is in driving pushing plate 10
When, the counterforce counteraction that supporting rod 17 applies pushing plate 10, while cooperating limit plate 12 opposite when determining special pipe processing
In the position of positioning plate 2.
It is above-mentioned abnormity pipe clamp application method be, above-mentioned clamp for machining when in use, first outside lathe, by special pipe
It is placed in processing groove, starts limiting cylinder, limiting cylinder drives pushing plate 10 to move, and the special pipe of 8 top of support column is pushed away
To on limit plate 12, until special pipe is aligned, start rotary cylinder 13 later, briquetting 14 is bonded the non-processing area of special pipe
Domain cooperates position of the processing groove by special pipe relative to positioning plate 2 to fix, rear enclosed positioning plate 2 in gas circuit, using angrily
Special pipe is fixed in processing groove by pressure.
By the workbench of the installation of fixed plate 1 to Milling Machining, rotation control nut 51 and control screw rod 5 pass through control sleeve 4
Promotion, push column 3 to move in movement slots 11, push column 3 that positioning plate 2 is pushed to move in fixed plate 1, until positioning plate 2
Intert to braking item 19 lower section, and with baffle 18 overlap be aligned, again push positioning plate 2 moved in fixed plate 1, directly
Locating slot 22 on to 2 side of positioning plate snaps on the piston rod of telescoping cylinder 6, starts telescoping cylinder 6, fixed block is in telescoping cylinder 6
Driving under, pressure holding plate 7 be bonded positioning plate 2, positioning plate 2 and 1 relative position of fixed plate are fixed.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. a kind of special pipe Milling Machining fixture, it is characterised in that: including the fixed plate that is mounted in lathe and movably install
Positioning plate in fixed plate offers movement slots in the fixed plate, is movably provided with promotion column in the movement slots,
Be connected with control sleeve on the promotion column, control screw rod be installed in the control sleeve, one end of the control screw rod with
The other end of lathe rotation connection, the control screw rod is threadedly coupled with the control sleeve, relatively described in the fixed plate
The side of movement slots is provided with baffle, and braking cavity is provided on the baffle, offers on the positioning plate and the promotion
The promotion slot of column cooperation is provided with the braking fixture block with the braking cavity cooperation on the positioning plate, pacifies on the positioning plate
Equipped with support column and rotary cylinder, the movable end of the rotary cylinder is fixedly connected with the pressure of cooperation support column pressure holding special pipe
Block, positioning cylinder and the pushing plate set on the positioning cylinder extension end are equipped on the positioning plate, and the positioning plate is solid
Dingan County is equipped with limit plate corresponding with pushing plate, is also provided with locating slot on the positioning plate, the side where the locating slot with
Side where the promotion slot is vertical, telescoping cylinder is equipped in the locating slot, the movable end of the telescoping cylinder is through positioning
Plate, the movable end of the telescoping cylinder are equipped with the pressure holding plate of pressure holding positioning plate.
2. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: be fixedly installed on the baffle
Item is braked, the braking cavity is surrounded by the upper surface of the lower surface of braking item, the medial surface of baffle and fixed plate.
3. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: the periphery of the control screw rod
On be provided with control nut, the control nut is arranged between control sleeve and lathe inner wall, the control nut and described
Controlling is in integrated formed structure between screw rod.
4. a kind of special pipe Milling Machining fixture according to any one of claims 1 to 3, it is characterised in that: the control spiral shell
The position of bar and lathe contact is provided with bearing, and the inner ring of the bearing is socketed on the periphery of control screw rod, the bearing
Outer ring be fixed in the inner wall of lathe.
5. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: the cross sectional shape of the pressure holding plate
Identical with locating slot, the area in the section of the pressure holding plate is greater than the area of section of locating slot, and the pressure holding plate is in telescoping cylinder
The surface of the lower fitting positioning plate of pressure holding.
6. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: be provided with receiving on the support column
The processing groove of special pipe, one special pipe of every three supports of support column, rotary cylinder setting two special pipes it
Between, the piston end of the rotary cylinder does 90 degree of rotations when ejecting briquetting.
7. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: the fixed peace in the lower section of the briquetting
Equipped with buffer stopper, the non-processing region of the buffer stopper fitting special pipe.
8. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: be equipped on the positioning plate to
Column is held, the fixing end of the positioning cylinder is fixedly mounted on supporting rod, the positioning cylinder connection supporting rod and pushing plate,
The pushing plate and special pipe are in the same plane, and the axis of pushing plate is perpendicular to the axis of special pipe.
9. a kind of special pipe Milling Machining fixture according to claim 8, it is characterised in that: the pushing plate and limit plate are flat
Row, the pushing plate and limit plate set up separately at the both ends of special pipe.
10. a kind of special pipe Milling Machining fixture according to claim 1, it is characterised in that: the telescoping cylinder be cylinder or
Hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982329.2U CN209349916U (en) | 2018-11-28 | 2018-11-28 | A kind of special pipe Milling Machining fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982329.2U CN209349916U (en) | 2018-11-28 | 2018-11-28 | A kind of special pipe Milling Machining fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209349916U true CN209349916U (en) | 2019-09-06 |
Family
ID=67784896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982329.2U Withdrawn - After Issue CN209349916U (en) | 2018-11-28 | 2018-11-28 | A kind of special pipe Milling Machining fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209349916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333124A (en) * | 2018-11-28 | 2019-02-15 | 常州纺织服装职业技术学院 | A kind of special pipe Milling Machining fixture |
-
2018
- 2018-11-28 CN CN201821982329.2U patent/CN209349916U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333124A (en) * | 2018-11-28 | 2019-02-15 | 常州纺织服装职业技术学院 | A kind of special pipe Milling Machining fixture |
| CN109333124B (en) * | 2018-11-28 | 2024-01-19 | 常州纺织服装职业技术学院 | Milling clamp for special-shaped pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109333124A (en) | A kind of special pipe Milling Machining fixture | |
| CN104044097B (en) | A kind of clamping device of small-sized rod-type elastic part | |
| CN209349916U (en) | A kind of special pipe Milling Machining fixture | |
| CN203875440U (en) | Double-shaft micro type electric spark wire cutting machine | |
| CN210305463U (en) | End socket necking processing equipment | |
| CN103465072A (en) | Thin-wall motor case milling fixture | |
| CN104722617A (en) | Automobile oil pipe pressing machine | |
| CN202021351U (en) | Large conic boring fixture | |
| CN111268608A (en) | Capping device | |
| CN209632541U (en) | A kind of disk part by performing self-centering fixture | |
| CN209565839U (en) | A kind of digital control flexible locating and clamping apparatus | |
| CN109014832B (en) | Material taking mechanism of brake caliper rectangular ring mounting device | |
| CN108838647B (en) | Material taking method for brake caliper rectangular ring mounting device | |
| CN203245648U (en) | Clamp for machining thin-wall disc parts | |
| CN210849875U (en) | Multidirectional linkage pipe wrench for self-adaptively clamping thin-wall pipe fitting | |
| CN104097155A (en) | Rapid vice | |
| CN209682030U (en) | A kind of mold production fixture | |
| CN111216178B (en) | Rubber processing device for rubber manufacturing | |
| CN209578846U (en) | A kind of auxiliary mould of the tubular object extruding for vertical machining centre | |
| KR101964563B1 (en) | CNC finger device for workpiece machining of lathe | |
| CN109108609B (en) | Brake caliper rectangle circle installation device | |
| CN208600515U (en) | A kind of reversible deformation molding machine | |
| CN202356940U (en) | Rapid manual holding device | |
| CN205572214U (en) | Change electric capacity advances, outlet pipe calliper | |
| CN105397545A (en) | Tool magazine and tool changing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190906 Effective date of abandoning: 20240119 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190906 Effective date of abandoning: 20240119 |