CN203830496U - Full-automatic oil pipe joint extrusion device - Google Patents
Full-automatic oil pipe joint extrusion device Download PDFInfo
- Publication number
- CN203830496U CN203830496U CN201420061288.9U CN201420061288U CN203830496U CN 203830496 U CN203830496 U CN 203830496U CN 201420061288 U CN201420061288 U CN 201420061288U CN 203830496 U CN203830496 U CN 203830496U
- Authority
- CN
- China
- Prior art keywords
- extrusion die
- extrusion
- base
- die
- pressing mechanism
- 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.)
- Expired - Lifetime
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims description 32
- 241001125879 Gobio Species 0.000 claims description 6
- 230000005693 optoelectronics Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 2
- 210000000078 claw Anatomy 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Manipulator (AREA)
Abstract
The utility model discloses a full-automatic oil pipe joint extrusion device. The full-automatic oil pipe joint extrusion device is structurally characterized in that a base is arranged on a support, a feeding device is arranged on one side of the base, a feeding mechanical arm is arranged at the position, nearby the feeding device, on the base and is used for taking away a part to be machined and feeding the part to be machined into a first extrusion die, a transferring and discharging mechanical arm is arranged nearby a second extrusion die to be used for feeding the part to be machined into the second extrusion die from the first extrusion die and discharging a completely-machined part, a limiting and buffering mechanism is arranged between the feeding mechanical arm and the transferring and discharging mechanical arm, a first extrusion mechanism and a second extrusion mechanism are arranged on the lateral side of the first extrusion die and the lateral side of the second extrusion die respectively and push link mechanisms to move through air cylinders respectively to complete the extrusion working procedure, the full-automatic oil pipe joint extrusion device further comprises a PLC, and the PLC is connected with air cylinders, air claws and a detection switch on the feeding device, the feeding mechanical arm, the first extrusion mechanism, the second extrusion mechanism, the first extrusion die, the second extrusion die, the transferring and discharging mechanical arm and the limiting and buffering mechanism and controls the air cylinders, the air claws and the detection switch to work. By means of the full-automatic oil pipe joint extrusion device, mechanical automation machining is achieved, the working efficiency is high, influences of an existing manual mode on the product quality are avoided, and the technological process is simplified.
Description
Technical field
The utility model belongs to mould punching technical field, particularly a kind of Full automatic oil pipe joint extrusion equipment.
Background technology
Our company produces a vehicle high-pressure oil pipe joint, and its structure as shown in Figure 1-2.On this part, need to process four salient points.Existing salient point processing mode is to use portable mold to push at twice salient point, first extruding two salient points on one side, and after upset part, then two salient points of extrusion sections another side.Such processing mode is in the time of batch production, and consuming time, power consumption, has a strong impact on production efficiency, reduces economic benefit, and is manually difficult to controlled pressure size, and bump size is unstable.Therefore, provide a kind of high efficiency production equipment of automation to be necessary.
Utility model content
The purpose of this utility model is to provide a kind of Full automatic oil pipe joint extrusion equipment, the defect that mainly solves above-mentioned prior art, the utility model has been realized machinery automation processing, and operating efficiency is high, avoid the impact of the product quality of existing manual mode, technological process is simplified.
For achieving the above object, the utility model is to realize like this.
A kind of Full automatic oil pipe joint extrusion equipment, is characterized in that: it is by base, pay-off, feeding manipulator, the first pressing mechanism, the first extrusion die, transfer and unloading manipulator, the second pressing mechanism, the second extrusion die, spacing and buffer gear and be configured to; Wherein: on this support, base is set; This base one side arranges pay-off, and this pay-off is for automatically delivering to assigned address by part to be processed; This feeding manipulator is arranged on base near pay-off, and part to be processed is taken away and sent into the first extrusion die; This transfer and unloading manipulator are arranged near the second extrusion die, for part to be processed is delivered to the second extrusion die and the part machining is sent to equipment from the first extrusion die; This spacing and buffer gear is arranged between feeding manipulator and transfer and unloading manipulator, for making manipulator direction of advance registration; This first pressing mechanism and the second pressing mechanism are separately positioned on the first extrusion die and the second extrusion die side, promote respectively the motion of linkage by cylinder, complete extrusion process; Also there is the PLC that is connected with cylinder, gas pawl, sense switch on above-mentioned pay-off, feeding manipulator, the first pressing mechanism, the first extrusion die, transfer and unloading manipulator, the second pressing mechanism, the second extrusion die, spacing and buffer gear and controls its work.
Described Full automatic oil pipe joint extrusion equipment, is characterized in that: this pay-off is made up of spiral vibrating dish, horizontal vibration track and sense switch; Front end at horizontal vibration track has been placed optoelectronic switch, has placed Fibre Optical Sensor at the end of horizontal vibration track.
Described Full automatic oil pipe joint extrusion equipment, it is characterized in that: the Three Degree Of Freedom structure that this feeding manipulator is made up of the first horizontal air cylinder, the first vertical cylinder and the first gas pawl, the first horizontal air cylinder connects the first vertical cylinder by slide block, connects the first gas pawl on the first vertical cylinder again; The coordinated type Three Degree Of Freedom structure that this transfer and unloading manipulator are made up of the second horizontal air cylinder, the second vertical cylinder, the 3rd vertical cylinder, the second gas pawl and the 3rd gas pawl, the second horizontal air cylinder also connects the second vertical cylinder, the 3rd vertical cylinder by slide block, and the second vertical cylinder, the 3rd vertical cylinder connect respectively the second gas pawl and the 3rd gas pawl again.
Described Full automatic oil pipe joint extrusion equipment, is characterized in that: this first pressing mechanism is made up of drift pushing plate, connecting rod, linkage base, pressing mechanism base, pivot, extruding cylinder, gudgeon, kidney-shaped connecting rod, connecting handle, cam and straight pin; Wherein: extruding cylinder rear end is movably attached on base by pivot, extruding cylinder front end is connected to the cam link mechanism being made up of connecting rod, kidney-shaped connecting rod, connecting handle, cam and straight pin by gudgeon; This connecting rod front end connects drift pushing plate; This cam link mechanism is connected on plant bottom case by linkage base, pressing mechanism base; This second pressing mechanism is identical with the first pressing mechanism structure.
Described Full automatic oil pipe joint extrusion equipment, is characterized in that: this first extrusion die is made up of extrusion die base, punch holder, drift, die socket, drift guide holder and die; Wherein: die socket, drift guide holder and die are fixed on plant bottom case by extrusion die base; The drift that connects punch holder passes respectively the pilot hole of drift guide holder and extends in die; This first extrusion die is identical with the structure of the second extrusion die.
Described Full automatic oil pipe joint extrusion equipment, is characterized in that: this spacing and buffer gear is made up of spacing base, cylinder head bolt and buffer, makes manipulator direction of advance registration, reaches positioning precision 0.05mm.
By said structure also compared with prior art, the utility model has the advantage of: realized the full-automatic processing of part, efficiency is high, reduce artificial, reduce production cost, and improve the stability of product size, between each operation, automatically completed feeding, extruding and discharging, technological process is simplified.
Brief description of the drawings
Fig. 1 is the fabricated part top view that the utility model equipment is processed.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the stereogram of the utility model equipment.
Fig. 4 is the front elevation of the utility model equipment.
Fig. 5 is the top view of the utility model equipment.
Fig. 6 is the Facad structure schematic diagram of manipulator in the utility model equipment.
Fig. 7 is the lateral plan of Fig. 6.
Fig. 8 is the top view of Fig. 6.
Fig. 9 is the structural representation of pressing mechanism in the utility model equipment.
Figure 10 is the top view of Fig. 9.
Figure 11 is the structural representation of extrusion die in the utility model equipment.
Figure 12 is the front view of Figure 11.
Figure 13 is that the B-B of Figure 12 is to cutaway view.
Figure 14 is the top view of Figure 11.
Detailed description of the invention
Further introduce the utility model equipment below in conjunction with accompanying drawing.
Refer to Fig. 3-5, it is a kind of Full automatic oil pipe joint of the utility model extrusion equipment.As shown in the figure: it is made up of base 1, pay-off 2, feeding manipulator 3, the first pressing mechanism 4, the first extrusion die 5, transfer and unloading manipulator 6, the second pressing mechanism 7, the second extrusion die 10, spacing and buffer gear 8 and support 9.Wherein: on this support 9, base 1 is set; These base 1 one sides arrange pay-off 2, and this pay-off 2 is for automatically delivering to assigned address by part to be processed; This feeding manipulator 3 is arranged on base 1 near pay-off 2, and part to be processed is taken away and sent into the first extrusion die 5; This transfer and unloading manipulator 6 are arranged near the second extrusion die 10, for part to be processed is delivered to the second extrusion die 10 and the part machining is sent to equipment from the first extrusion die 5; This spacing and buffer gear 8 is arranged between feeding manipulator 3 and transfer and unloading manipulator 6, for making manipulator direction of advance registration; This first pressing mechanism 4 and the second pressing mechanism 7 are separately positioned on the first extrusion die 5 and the second extrusion die 10 sides, promote respectively the motion of linkage by cylinder, complete extrusion process; Also there is the PLC that (comprising all cylinders, gas pawl, sense switch etc.) is connected and controls its work with above-mentioned electric component.
In the utility model, this pay-off 2 is made up of spiral vibrating dish, horizontal vibration track and sense switch; Front end at horizontal vibration track has been placed optoelectronic switch, has placed Fibre Optical Sensor at the end of horizontal vibration track.
As Fig. 6-8, the Three Degree Of Freedom structure that feeding manipulator 3 in the utility model is made up of the first horizontal air cylinder 301, the first vertical cylinder 302 and the first gas pawl 303, the first horizontal air cylinder 301 is connected on the first vertical cylinder 302, the first vertical cylinders 302 and is connected the first gas pawl 303 again by slide block 304.The coordinated type Three Degree Of Freedom structure that this transfer and unloading manipulator 6 are made up of the second horizontal air cylinder 601, the second vertical cylinder 602, the 3rd vertical cylinder 603, the second gas pawl 604 and the 3rd gas pawl 605, the second horizontal air cylinder 601 also connects the second vertical cylinder 602, the 3rd vertical cylinder 603, the second vertical cylinders 602,603 difference of the 3rd vertical cylinder by slide block and connects the second gas pawl 604 and the 3rd gas pawl 605 again.This slide block is all arranged on a line slideway 306, and the first horizontal air cylinder 301 connects the first vertical cylinder 302 by the cylinder connecting plate 305 on slide block 304; Connect between the slide block of the second vertical cylinder 602, the 3rd vertical cylinder 603 and connect by slide block connecting plate 606; And spacing and buffer gear 8 is also arranged on the line slideway 306 between the first vertical cylinder 302 and the second vertical cylinder 602, the 3rd vertical cylinder 603.
As Fig. 9,10, the first pressing mechanism 4 in the utility model is made up of drift pushing plate 401, connecting rod 402, linkage base 403, pressing mechanism base 404, pivot 405, extruding cylinder 406, gudgeon 407, kidney-shaped connecting rod 408, connecting handle 409, cam 410 and straight pin 411.Wherein: extruding cylinder 406 rear ends are movably attached on base 1 by pivot 405, extruding cylinder 406 front ends are connected to the cam link mechanism being made up of connecting rod 402, kidney-shaped connecting rod 408, connecting handle 409, cam 410 and straight pin 411 by gudgeon 407; These connecting rod 402 front ends connect drift pushing plate 401; This cam link mechanism is connected on plant bottom case 1 by linkage base 403, pressing mechanism base 404; This second pressing mechanism 7 is identical with the first pressing mechanism 4 structures.
As Figure 11-14, the first extrusion die 5 in the utility model is made up of extrusion die base 501, punch holder 502, drift 503, die socket 504, drift guide holder 505 and die 506.Wherein: die socket 504, drift guide holder 505 and die 506 are fixed on plant bottom case 1 by extrusion die base 501; Two drifts 503 that connect punch holder 502 pass respectively the pilot hole of drift guide holder 505 and extend in die 506; This first extrusion die 5 is identical with the structure of the second extrusion die 10.
When use, feeding manipulator 3 is got back to initial position after part is placed on this mould, then, the second horizontal air cylinder 601 of transfer and unloading manipulator 6 stretches out, and then the second vertical cylinder 602, the 3rd vertical cylinder 603 stretch out, and push down part, extruding cylinder 406 stretches out, drive drift 503 to travel forward, extrusion sections, form salient point.Then extruding extruding cylinder 406 is retracted, the second gas pawl 604 and the 3rd gas pawl 605 clamp, the second vertical cylinder 602, the 3rd vertical cylinder are retracted, and the second horizontal air cylinder 601 is retracted, and part is picked and placeed the second extrusion die 10 positions from the first extrusion die 5 positions.And then continue operation, do action, completes the extruding of part.Wherein, in the second position that horizontal air cylinder 601 is retracted and the 3rd vertical cylinder 603 stretches out, be provided with an optoelectronic switch, whether have and successfully grab part for detection of unloading manipulator, ensure the safe operation of equipment.
Spacing and buffer gear 8 in the utility model is made up of spacing base, cylinder head bolt and buffer, makes manipulator direction of advance registration, reaches positioning precision 0.05mm.
Support 9 in the utility model is aluminium section bar portal frame, and it is made up of horizontal gird and three root posts, materials'use aluminium alloy 4080D, and intensity is high, is convenient to install and adjust, compares steel plate design more succinct, and saves cost.
In the utility model, feeding and discharge pit are equipped with inductive switch, out of service can ensure equipment without material time, protection diel; make equipment more reliable and more stable; can under unattended state, move, break down and can automatically stop, there will not be equipment damaed cordition.
Before use equipment, access source of the gas and power supply, then opening device, equipment touch-screen acquiescence enters automatic operation picture.Please first be confirmed whether relevant warning, detected magnetic switch, optoelectronic switch etc. and whether normally work, otherwise affect normal boot-strap.After the magnetic switch of confirming cylinder is all normal, first open vibrating disk, in the time that feeding track is covered with part, just can automatically move.
Be only preferred embodiment of the present utility model in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should be technology category of the present utility model.
Claims (6)
1. a Full automatic oil pipe joint extrusion equipment, is characterized in that: it is by base (1), pay-off (2), feeding manipulator (3), the first pressing mechanism (4), the first extrusion die (5), transfer and unloading manipulator (6), the second pressing mechanism (7), the second extrusion die (10), spacing and buffer gear (8) and support (9) formation; Wherein: base (1) is set on this support (9); This base (1) one side arranges pay-off (2); This feeding manipulator (3) is arranged near the upper pay-off (2) of base (1); This transfer and unloading manipulator (6) are arranged near the second extrusion die (10); This spacing and buffer gear (8) is arranged between feeding manipulator (3) and transfer and unloading manipulator (6); This first pressing mechanism (4) and the second pressing mechanism (7) are separately positioned on the first extrusion die (5) and the second extrusion die (10) side; Also there is the PLC that is connected with cylinder, gas pawl, sense switch on above-mentioned pay-off (2), feeding manipulator (3), the first pressing mechanism (4), the first extrusion die (5), transfer and unloading manipulator (6), the second pressing mechanism (7), the second extrusion die (10), spacing and buffer gear (8) and controls its work.
2. Full automatic oil pipe joint extrusion equipment according to claim 1, is characterized in that: this pay-off (2) is made up of spiral vibrating dish, horizontal vibration track and sense switch; Front end at horizontal vibration track has been placed optoelectronic switch, has placed Fibre Optical Sensor at the end of horizontal vibration track.
3. Full automatic oil pipe joint extrusion equipment according to claim 1, it is characterized in that: the Three Degree Of Freedom structure that this feeding manipulator (3) is made up of the first horizontal air cylinder (301), the first vertical cylinder (302) and the first gas pawl (303), the first horizontal air cylinder (301) connects the first vertical cylinder (302) by slide block (304), connects the first gas pawl (303) on the first vertical cylinder (302) again; The coordinated type Three Degree Of Freedom structure that this transfer and unloading manipulator (6) are made up of the second horizontal air cylinder (601), the second vertical cylinder (602), the 3rd vertical cylinder (603), the second gas pawl (604) and the 3rd gas pawl (605), the second horizontal air cylinder (601) also connects the second vertical cylinder (602), the 3rd vertical cylinder (603) by slide block, and the second vertical cylinder (602), the 3rd vertical cylinder (603) connect respectively the second gas pawl (604) and the 3rd gas pawl (605) again.
4. according to the Full automatic oil pipe joint extrusion equipment described in claim 1 or 2 or 3, it is characterized in that: this first pressing mechanism (4) is made up of drift pushing plate (401), connecting rod (402), linkage base (403), pressing mechanism base (404), pivot (405), extruding cylinder (406), gudgeon (407), kidney-shaped connecting rod (408), connecting handle (409), cam (410) and straight pin (411); Wherein: it is upper that extruding cylinder (406) rear end is movably attached to base (1) by pivot (405), extruding cylinder (406) front end is connected to the cam link mechanism being made up of connecting rod (402), kidney-shaped connecting rod (408), connecting handle (409), cam (410) and straight pin (411) by gudgeon (407); This connecting rod (402) front end connects drift pushing plate (401); This cam link mechanism is connected on plant bottom case (1) by linkage base (403), pressing mechanism base (404); This second pressing mechanism (7) is identical with the first pressing mechanism (4) structure.
5. according to the Full automatic oil pipe joint extrusion equipment described in claim 1 or 2 or 3, it is characterized in that: this first extrusion die (5) is made up of extrusion die base (501), punch holder (502), drift (503), die socket (504), drift guide holder (505) and die (506); Wherein: die socket (504), drift guide holder (505) and die (506) are fixed on plant bottom case (1) by extrusion die base (501); The drift (503) that connects punch holder (502) passes respectively the pilot hole of drift guide holder (505) and extends in die (506); This first extrusion die (5) is identical with the structure of the second extrusion die (10).
6. according to the Full automatic oil pipe joint extrusion equipment described in claim 1 or 2 or 3, it is characterized in that: this spacing and buffer gear (8) is made up of spacing base, cylinder head bolt and buffer, make manipulator direction of advance registration, reach positioning precision 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061288.9U CN203830496U (en) | 2014-02-11 | 2014-02-11 | Full-automatic oil pipe joint extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061288.9U CN203830496U (en) | 2014-02-11 | 2014-02-11 | Full-automatic oil pipe joint extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830496U true CN203830496U (en) | 2014-09-17 |
Family
ID=51508387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061288.9U Expired - Lifetime CN203830496U (en) | 2014-02-11 | 2014-02-11 | Full-automatic oil pipe joint extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203830496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670328A (en) * | 2017-01-19 | 2017-05-17 | 常州信息职业技术学院 | Automatic press-mounting machine for automobile oil pipe |
| CN109772916A (en) * | 2019-03-20 | 2019-05-21 | 江铃集团山东华岳车辆部件有限公司 | The mold cooling and lubricating device of automatic spraying graphite cream |
-
2014
- 2014-02-11 CN CN201420061288.9U patent/CN203830496U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670328A (en) * | 2017-01-19 | 2017-05-17 | 常州信息职业技术学院 | Automatic press-mounting machine for automobile oil pipe |
| CN106670328B (en) * | 2017-01-19 | 2018-06-12 | 常州信息职业技术学院 | A kind of automobile oil pipe automatic press mounting machine |
| CN109772916A (en) * | 2019-03-20 | 2019-05-21 | 江铃集团山东华岳车辆部件有限公司 | The mold cooling and lubricating device of automatic spraying graphite cream |
| CN109772916B (en) * | 2019-03-20 | 2024-03-15 | 江铃集团山东华岳车辆部件有限公司 | Automatic mould cooling lubricating arrangement of spraying graphite emulsion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107457278A (en) | Hydraulic forming machine and metal ball forming machine | |
| CN104190782A (en) | Novel punching machine for hinge punching | |
| CN203635709U (en) | Full-automatic multi-station stamping equipment for automobile ABS integral valve end caps | |
| CN103801606B (en) | A kind of Full automatic oil pipe joint extrusion equipment | |
| CN205032704U (en) | Receiving mechanism of bead cutter | |
| CN201547139U (en) | Bearing inner and outer ring combination device | |
| CN203830496U (en) | Full-automatic oil pipe joint extrusion device | |
| CN203665085U (en) | Mooney hanger vertical tube automatic shrinkage punch press | |
| CN103722384A (en) | Automatic pipe shrinking and punching machine of Mooney laundry rack vertical tube | |
| CN203830500U (en) | Multi-connected stamping platform | |
| CN105149379A (en) | Feeding and discharging mechanical arm structure for bearing roller hydraulic machine | |
| CN201023959Y (en) | Work-piece hoister | |
| CN106825135A (en) | A kind of machine for press-bending metal sheet | |
| CN101734470A (en) | Automatic feeding device | |
| CN104722614A (en) | Intelligent full mechanical hand bending machine | |
| CN102873316A (en) | Special equipment used for removing sprues and cinder ladles on cast piece | |
| CN203316513U (en) | Full-automatic multi-station oil pipe joint stamping equipment | |
| CN103394608A (en) | High-speed blanking piece grading device | |
| CN202387823U (en) | Riveting machine for ventral side of longitudinal member | |
| CN104998929B (en) | Automatic reforming device | |
| CN204135119U (en) | Automatic reforming device | |
| CN203712050U (en) | Automatic welding device for cylindrical piece | |
| CN209156745U (en) | A kind of hollow sphere automatic extruder | |
| CN107931389B (en) | A kind of low cost container roof plate hydro-forming system | |
| CN205393304U (en) | Vehicle audio stamping workpiece automatic production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |