CN207770513U - A kind of new die steel straightener - Google Patents
A kind of new die steel straightener Download PDFInfo
- Publication number
- CN207770513U CN207770513U CN201721912207.1U CN201721912207U CN207770513U CN 207770513 U CN207770513 U CN 207770513U CN 201721912207 U CN201721912207 U CN 201721912207U CN 207770513 U CN207770513 U CN 207770513U
- Authority
- CN
- China
- Prior art keywords
- block
- babinet
- hydraulic cylinder
- connects
- center
- 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 - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 244000309464 bull Species 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 16
- 229920001821 foam rubber Polymers 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 208000010271 Heart Block Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a kind of new die steel straighteners, including babinet, it is mounted on first at left and right sides of the bottom end of the babinet and connects block, described second connects and is equipped with interior bar at the outer side center of block, the inside of outer groove is socketed on the outside of the interior bar, the third connects to be connected at the top of the outboard end of block and the inner wall left and right ends of babinet, and the bottom end of the central block is equipped with sliding block, slide bar is socketed at the center of the sliding block, the inside of the slide bar is connected by interior piece with the inner wall of babinet.The new die steel straightener, when needing to carry out alignment work to mould steel, pass through the cooperation of babinet and hydraulic cylinder, it can be supported in hydraulic cylinder by the device, hydraulic cylinder can be made flexible steady when pushing, effectively avoiding not enough supports makes hydraulic cylinder damage, and reduces the damage probability of hydraulic cylinder.
Description
Technical field
The utility model is related to straightener equipment technical field, specially a kind of new die steel straightener.
Background technology
Mould steel is the steel grade for manufacturing the molds such as cold-punching mould, hot-forging die, compression mod, and mold is machine-building, wireless
The main machining tool of part is manufactured in the industrial departments such as electric instrument, motor, electric appliance, mould steel is broadly divided into：Mould for cold milling
Steel, hot rolling mould steel and plastic die steel three classes, for forging, punching press, cut type, die casting etc., due to various mold purposes difference,
Operating condition is complicated, therefore to die steel, presses the operating condition of its manufactured mold, should be with high hardness, intensity, wear-resisting
Property, enough toughness and high quenching degree, hardenability and other processing performances, due to this kind of purposes difference, operating condition is multiple
It is miscellaneous therefore also different to the performance requirement of die steel, but after manufacture can exist some bending, just may require that straightener into
Row straightening, but it is steady at the top of straightener on the market is when being compressed, and not enough supports are easily damaged, after damage
It can influence the working efficiency of alignment.
Utility model content
The purpose of this utility model is to provide a kind of new die steel straighteners, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of new die steel straightener, including case
Body is mounted on first at left and right sides of the bottom end of the babinet and connects block, and described first connects and be equipped with supporting leg at the bottom center of block,
Hydraulic cylinder is mounted at the inner wall left and right ends center of the babinet, the medial end of the hydraulic cylinder is equipped with push plate, institute
The outside top for stating push plate is equipped with second and connects block, and described second connects and be equipped with interior bar at the outer side center of block, the interior bar
Outside is socketed in the inside of outer groove, and the outside of the interior bar is mounted on bull stick in both sides up and down, and the outer wall of the bull stick is socketed with
Bearing, the bull stick are connected by bearing with the inner wall of outer groove, and rubber is equipped at the inside outboard end center of the outer groove
Slot, the outboard end of the outer groove are equipped with third and connect block, and the third connects the outboard end of block and the inner wall of babinet or so two
End top is connected, and the inside bottom of the push plate is equipped with the 4th and connects block, during the described 4th connects and be equipped at the bottom center of block
The bottom end of heart block, the central block is equipped with sliding block, and slide bar, the outside of the slide bar and case are socketed at the center of the sliding block
The inner wall of body is connected, and the inside of the slide bar is connected by interior piece with the inner wall of babinet.
Preferably, the bottom outside of the hydraulic cylinder is equipped with support plate, the outside of the support plate and the inner wall of babinet or so
Both ends are connected, and are equipped with the first strut at the top center of the support plate, at the outer wall left and right ends center of first strut
It is connected with the top of support plate by the second strut, the top of first strut is equipped with supporting plate, and the top of the supporting plate is logical
Foam-rubber cushion is crossed with the bottom of hydraulic cylinder to be connected.
Preferably, the bottom end of the supporting leg is equipped with pedestal.
Preferably, bracing piece is installed between the medial center of the supporting leg.
Preferably, it is mounted on handle at the outer wall left and right ends center of the babinet.
Compared with prior art, the utility model has the beneficial effects that：The new die steel straightener, when needing to mold
When steel carries out alignment work, by the cooperation of babinet and hydraulic cylinder, connects block by first and is used for supporting leg being fixed on the bottom of box,
Can be by case supports on ground by supporting leg, hydraulic cylinder is fixed by babinet, and push plate is fixed by hydraulic cylinder, is led to
It crosses second and connects block and be fixed on push plate side for interior bar, be socketed in outer groove and slided by interior bar, outer groove is connect by third
Block is fixed in babinet, and rubber groove is fixed by outer groove, and the material of rubber groove is rubber, can be to prevent by the characteristic of rubber
Only inside interior bar abrasion outer groove, bull stick is fixed by interior bar, can be rotated around bull stick by bearing, passes through bearing
It is more smooth when interior bar can be made to be slided in outer groove, it can be used for keeping the promotion of hydraulic cylinder steady by interior bar and outer groove,
Block is connect by the 4th to be used for central block being fixed on push plate side, is used for fixing sliding block by central block, is socketed in by sliding block
The outer wall of slide bar reciprocatingly slides, and hydraulic cylinder can be made more stably to push push plate by sliding block and slide bar, pass through hydraulic cylinder
It pushes push plate to carry out alignment work to the mould steel for being placed on box house, can be supported in hydraulic cylinder by the device,
Hydraulic cylinder can be made flexible steady when pushing, effectively avoiding not enough supports makes hydraulic cylinder damage, and reduces liquid
The damage probability of cylinder pressure.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the support plate front view structural representation of the utility model；
Fig. 3 is the outer groove section view figure structure schematic representation of the utility model；
Fig. 4 is the interior bar section view figure structure schematic representation of the utility model；
Fig. 5 connects block front view structural representation for the 4th of the utility model.
In figure：1, babinet, 2, first connects block, and 3, supporting leg, 4, hydraulic cylinder, 5, push plate, 6, second connects block, and 7, interior bar, 8, turn
Bar, 9, bearing, 10, outer groove, 11, rubber groove, 12, third connect block, 13, slide bar, 14, interior piece, 15, sliding block, 16, central block, 17,
4th connects block, and 18, support plate, the 19, first strut, 20, supporting plate, 21, foam-rubber cushion, the 22, second strut, 23, handle, 24, bracing piece,
25, pedestal.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of new die steel straightener, including babinet
1, handle 23 is mounted at the outer wall left and right ends center of babinet 1, and handle 23 is moved easily babinet 1, is moved easily babinet 1
Deposit position, the bottom end left and right sides of babinet 1 are mounted on first and connect block 2, and first connects block 2 is fixed by babinet 1, and first connects
Block 2 is used for supporting leg 3 being fixed on 1 bottom of babinet, and first connects and be equipped with supporting leg 3 at the bottom center of block 2, and supporting leg 3 can be by case
Body 1 is supported on ground, and bracing piece 24 is equipped between the medial center of supporting leg 3, and bracing piece 24 is used for reinforcing the secured of supporting leg 3
Degree, the bottom end of supporting leg 3 are equipped with pedestal 25, and pedestal 25 can make supporting leg 3 preferably be supported on ground, the inner wall or so of babinet 1
It is mounted on hydraulic cylinder 4 at the center of both ends, hydraulic cylinder is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion (or pendulum
Dynamic movement) hydraulic actuator, its simple in structure, reliable operation when realizing reciprocating motion, can remove the dress that slows down from it
It sets, and there is no drive gap, stable movement, therefore be used widely in the hydraulic system of various machineries, hydraulic cylinder is defeated
It contributes directly proportional with the pressure difference on piston effective area and its both sides；Hydraulic cylinder substantially by cylinder barrel and cylinder cap, piston and piston rod,
Sealing device, buffer unit and exhaust apparatus form, and buffer unit and exhaust apparatus are depending on concrete application occasion, other devices
Then essential, the medial end of hydraulic cylinder 4 is equipped with push plate 5, and hydraulic cylinder 4 is fixed by babinet 1, and push plate 5 is by hydraulic cylinder 4
It is fixed, the outside top of push plate 5 is equipped with second and connects block 6, and second connects block 6 is fixed by push plate 5, and second connects block 6
Interior bar 7 is installed, second connects block 6 is fixed on 6 side of push plate for interior bar 7, and the outside of interior bar 7 is socketed in outer groove at outer side center
10 inside, interior bar 7 are socketed in outer groove 10 and are slided, and outer groove 10 connects block 12 by third and is fixed in babinet 1, interior bar 7
Outside is mounted on bull stick 8 in both sides up and down, and the outer wall of bull stick 8 is socketed with bearing 9, and bull stick 8 is fixed by interior bar 7, outside bull stick 8
Wall is socketed bearing 9, and bull stick 8 is connected by bearing 9 with the inner wall of outer groove 10, and bearing 9 can be rotated around bull stick 8, bearing 9
It is more smooth when interior bar 7 can be made to be slided in outer groove 10, rubber groove is installed at the inside outboard end center of outer groove 10
11, rubber groove 11 is fixed by outer groove 10, and the material of rubber groove 11 is rubber, can be used for by the characteristic of rubber and interior bar
7 fasten, and can prevent interior bar 7 from wearing inside outer groove 10, the outboard end of outer groove 10 is equipped with third and connects block 12, and third connects block 12
Outboard end and babinet 1 inner wall left and right ends at the top of be connected, the inside bottom of push plate 5 is equipped with the 4th and connects block 17, the 4th
It connects block 17 to be used for central block 16 being fixed on 5 side of push plate, the 4th connects and be equipped with central block 16 at the bottom center of block 17, center
The bottom end of block 16 is equipped with sliding block 15, and central block 16 is used for fixing sliding block 15, sliding block 15 be socketed in slide bar 13 outer wall carry out it is past
Multiple sliding is socketed with slide bar 13 at the center of sliding block 15, and the outside of slide bar 13 is connected with the inner wall of babinet 1,13 side of slide bar by
Babinet 1 is fixed, and the other side is fixed on by interior piece 14 in babinet 1, and the inside of slide bar 13 passes through interior piece 14 and the inner wall of babinet 1
Be connected, connect 4 external hydraulic press of hydraulic cylinder power supply, hydraulic cylinder 4 push push plate 5 to be placed on the mould steel inside babinet 1 into
The bottom outside of row alignment work, hydraulic cylinder 4 is equipped with support plate 18, and support plate 18 is used for the first strut 19 being fixed in babinet 1
Portion, the outside of support plate 18 are connected with the inner wall left and right ends of babinet 1, and the first strut 19 is equipped at the top center of support plate 18,
First strut 19 is used for connecting supporting plate 20, passes through the second strut 22 and support plate at the outer wall left and right ends center of the first strut 19
18 top is connected, and the second strut 22 is used for reinforcing the connection of the first strut 19 and support plate 18, the top installation of the first strut 19
There are supporting plate 20, supporting plate 20 to be used for connecting foam-rubber cushion 21, the top of supporting plate 20 is connected by foam-rubber cushion 21 with the bottom of hydraulic cylinder 4,
The material of foam-rubber cushion 21 is sponge, and the soft texture of sponge can be shunk, can be 20 in supporting plate by the characteristic of sponge
It is not worn when supportting hydraulic cylinder 4.
First connects block 2 is fixed by babinet 1, and first, which connects block 2, is used for supporting leg 3 being fixed on 1 bottom of babinet, and supporting leg 3 can
Babinet 1 is supported on ground, hydraulic cylinder 4 is fixed by babinet 1, and push plate 5 is fixed by hydraulic cylinder 4, second connect block 6 by
Push plate 5 is fixed, and second connects block 6 is fixed on 6 side of push plate for interior bar 7, and interior bar 7 is socketed in outer groove 10 and is slided,
Outer groove 10 connects block 12 by third and is fixed in babinet 1, and rubber groove 11 is fixed by outer groove 10, and the material of rubber groove 11 is rubber
Glue can be used for fastening with interior bar 7, can prevent interior bar 7 from wearing inside outer groove 10, bull stick 8 is by interior bar 7 by the characteristic of rubber
It is fixed, 8 outer wall of bull stick is socketed bearing 9, and bearing 9 can be rotated around bull stick 8, and bearing 9 can make interior bar 7 in outer groove
More smooth when being slided in 10, interior bar 7 and outer groove 10 can be used for keeping the promotion of hydraulic cylinder 4 steady, and the 4th, which connects block 17, is used for
Central block 16 is fixed on 5 side of push plate, central block 16 is used for fixing sliding block 15, and the outer wall that sliding block 15 is socketed in slide bar 13 carries out
It reciprocatingly slides, 13 side of slide bar is fixed by babinet 1, and the other side is fixed on by interior piece 14 in babinet 1, sliding block 15 and slide bar 13
Hydraulic cylinder 4 can be made more stably to push push plate 5, connect the power supply of 4 external hydraulic press of hydraulic cylinder, hydraulic cylinder 4 pushes push plate 5 right
It is placed on the mould steel inside babinet 1 and carries out alignment work.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of new die steel straightener, including babinet (1), it is characterised in that：At left and right sides of the bottom end of the babinet (1)
It is equipped with first and connects block (2), described first connects and be equipped with supporting leg (3) at the bottom center of block (2), the inner wall of the babinet (1)
Hydraulic cylinder (4) is mounted at the center of left and right ends, the medial end of the hydraulic cylinder (4) is equipped with push plate (5), the push plate
(5) outside top is equipped with second and connects block (6), and described second connects and be equipped with interior bar (7) at the outer side center of block (6), described
The inside of outer groove (10) is socketed on the outside of interior bar (7), the outside of the interior bar (7) is mounted on bull stick (8), institute in both sides up and down
The outer wall for stating bull stick (8) is socketed with bearing (9), and the bull stick (8) is connected by bearing (9) with the inner wall of outer groove (10), described
Rubber groove (11) is installed, the outboard end of the outer groove (10) is equipped with third at the inside outboard end center of outer groove (10)
Block (12) is connect, the third connects to be connected at the top of the outboard end of block (12) and the inner wall left and right ends of babinet (1), the push plate
(5) inside bottom is equipped with the 4th and connects block (17), and the described 4th connects and be equipped with central block (16) at the bottom center of block (17),
The bottom end of the central block (16) is equipped with sliding block (15), and slide bar (13), the cunning are socketed at the center of the sliding block (15)
The outside of bar (13) is connected with the inner wall of babinet (1), the inner wall that the inside of the slide bar (13) passes through interior piece (14) and babinet (1)
It is connected.
2. a kind of new die steel straightener according to claim 1, it is characterised in that：The bottom of the hydraulic cylinder (4)
Outside is equipped with support plate (18), and the outside of the support plate (18) is connected with the inner wall left and right ends of babinet (1), the support plate (18)
Top center at the first strut (19) is installed, pass through second at the outer wall left and right ends center of first strut (19)
Strut (22) is connected with the top of support plate (18), and the top of first strut (19) is equipped with supporting plate (20), the supporting plate
(20) top is connected by foam-rubber cushion (21) with the bottom of hydraulic cylinder (4).
3. a kind of new die steel straightener according to claim 1, it is characterised in that：Pacify the bottom end of the supporting leg (3)
Equipped with pedestal (25).
4. a kind of new die steel straightener according to claim 1, it is characterised in that：In the inside of the supporting leg (3)
Bracing piece (24) is installed between the heart.
5. a kind of new die steel straightener according to claim 1, it is characterised in that：The outer wall of the babinet (1) is left
Handle (23) is mounted at right both ends center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912207.1U CN207770513U (en) | 2017-12-30 | 2017-12-30 | A kind of new die steel straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912207.1U CN207770513U (en) | 2017-12-30 | 2017-12-30 | A kind of new die steel straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207770513U true CN207770513U (en) | 2018-08-28 |
Family
ID=63223248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912207.1U Expired - Fee Related CN207770513U (en) | 2017-12-30 | 2017-12-30 | A kind of new die steel straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207770513U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255126A (en) * | 2019-06-12 | 2019-09-20 | 山东瑞新轴承制造有限公司 | A kind of bearing automatic blanking machine |
| CN110871237A (en) * | 2019-11-27 | 2020-03-10 | 徐州市富昌制药机械有限公司 | Quick flattening device for mechanical maintenance |
| CN117884486A (en) * | 2024-03-11 | 2024-04-16 | 齐河书豪包装有限公司 | Raw material leveling device for can-making printing ironwork |
-
2017
- 2017-12-30 CN CN201721912207.1U patent/CN207770513U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255126A (en) * | 2019-06-12 | 2019-09-20 | 山东瑞新轴承制造有限公司 | A kind of bearing automatic blanking machine |
| CN110871237A (en) * | 2019-11-27 | 2020-03-10 | 徐州市富昌制药机械有限公司 | Quick flattening device for mechanical maintenance |
| CN117884486A (en) * | 2024-03-11 | 2024-04-16 | 齐河书豪包装有限公司 | Raw material leveling device for can-making printing ironwork |
| CN117884486B (en) * | 2024-03-11 | 2024-05-17 | 齐河书豪包装有限公司 | Raw material leveling device for can-making printing ironwork |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207770513U (en) | A kind of new die steel straightener | |
| CN207447124U (en) | A kind of energy-efficient automobile stamping die | |
| CN205020581U (en) | Small -sized bending machine | |
| CN103203586A (en) | Processing method for crankshaft of compressor | |
| CN101704043B (en) | Hydraulic bending machine | |
| CN101462227B (en) | Hot forging composite die making method and hot forging composite mold | |
| CN106623645B (en) | A kind of hardware sheet stamping staking punch cooling more changing device | |
| CN205551361U (en) | Mechanical hand of horizontal four -axis forging and pressing | |
| CN207447253U (en) | A kind of efficient outer frame of mobile phone forging and stamping grinding tool | |
| CN103100624A (en) | Landscape engineering machinery connecting rod precision forging method | |
| CN103691891B (en) | Colod-application salt core compacting tool set and manufacturing process thereof in a kind of piston | |
| CN208288813U (en) | A kind of rotatable stamping die of way moving | |
| CN207479379U (en) | Profiling punch is used on a kind of press machine | |
| CN208131899U (en) | A kind of forging mold | |
| CN201180642Y (en) | Piston link assembly of refrigerator compressor | |
| CN205629172U (en) | Desk -top punch press is used in electricity -saving lamp production | |
| CN205463922U (en) | Pneumatic stamping die | |
| CN203526434U (en) | Forging press slide block adjusting mechanism | |
| CN209813130U (en) | Sliding block connecting device | |
| CN210211026U (en) | Dish lid mould convenient to installation | |
| CN208866209U (en) | A kind of efficiently molding steel cylinder pedestal moulding press | |
| CN106238602A (en) | A kind of outer cover of water heater embraces round device | |
| CN207139011U (en) | A kind of ream crankcase stator pin special purpose device | |
| CN206632218U (en) | A kind of bend forming die | |
| CN205732891U (en) | Deduction and mould thereof are pulled in a kind of die casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |