CN208945979U - A kind of electrothermal tube processing tubing position fixing apparatus - Google Patents

A kind of electrothermal tube processing tubing position fixing apparatus Download PDF

Info

Publication number
CN208945979U
CN208945979U CN201821211478.9U CN201821211478U CN208945979U CN 208945979 U CN208945979 U CN 208945979U CN 201821211478 U CN201821211478 U CN 201821211478U CN 208945979 U CN208945979 U CN 208945979U
Authority
CN
China
Prior art keywords
hollow groove
electrothermal tube
rod
fixing apparatus
tube processing
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
Application number
CN201821211478.9U
Other languages
Chinese (zh)
Inventor
程卫国
程超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU SHAZI ELECTRIC EQUIPMENT Co Ltd
Original Assignee
JIANGSU SHAZI ELECTRIC EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU SHAZI ELECTRIC EQUIPMENT Co Ltd filed Critical JIANGSU SHAZI ELECTRIC EQUIPMENT Co Ltd
Priority to CN201821211478.9U priority Critical patent/CN208945979U/en
Application granted granted Critical
Publication of CN208945979U publication Critical patent/CN208945979U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model discloses a kind of electrothermal tube processing tubing position fixing apparatus, including pedestal, and the upper end is equipped with rectangular table, the rectangular table upper end is provided with rectangular recess, the rectangular table inner cavity is provided with L shape hollow groove, the rectangular recess inner end is equipped with automatically controlled clamp device and it is made of sliding rail, screw rod, motor, sliding seat and supporting rod, is equipped with auxiliary retention mechanism in the L shape hollow groove and it is made of upright guide rail, vertical guide groove, vertical guide rod, diamond shape adjustable shelf, first connecting rod and second connecting rod.

Description

A kind of electrothermal tube processing tubing position fixing apparatus
Technical field
The utility model relates to electrothermal tubes to produce and process field, and in particular to a kind of electrothermal tube processing is fixed with tubing position Device.
Background technique
Tubular electrothermal element (electrothermal tube) is the central axis in managing using metal tube as shell (including stainless steel, copper tube) There is the magnesia of good insulation heating conduction to distributing auger lectrothermal alloy wire (nickel chromium triangle, ferrochrome) its gap padding and compacting Sand, nozzle both ends silica gel sealing, this metal armouring heating element can heat air, metal die and various liquid.Electricity Heat pipe is in the process of production and processing, fixed unstable because of metal tube position sometimes, to cause the hair of flash phenomenon when processing It is raw;Electrothermal tube is frequently necessary to fix the tubing progress position of required processing in the process of production and processing, existing electrothermal tube Tubing position clamping device in manufacturing and processing equipment is usually to be directed to the tubing of model a kind of to be designed manufacture, to make It obtains the workable range of equipment institute to be limited, reduces its economic value, therefore need a kind of electrothermal tube processing tubing now Position fixing apparatus.
Summary of the invention
To solve the above problems, the utility model discloses a kind of electrothermal tube processing tubing position fixing apparatus, the dress It sets using crank connecting link principle, is not only simple in structure, convenient for operation, maintenance, and the tubing of different model can be pressed from both sides It holds, dual clamping is equipped with, so that the tubing position of required processing is more fixed.
In order to reach the goals above, the utility model provides the following technical solutions: a kind of electrothermal tube processing tubing position Fixed device, including pedestal, the pedestal upper center and are provided along its length rectangular table, the rectangular table Upper center and rectangular recess is provided with along its width direction, the rectangular table inner cavity and be located at the rectangular recess position two Side has L shape hollow groove, and the rectangular recess inner end is equipped with automatically controlled clamp device, is equipped with auxiliary in the L shape hollow groove Retention mechanism, the automatically controlled clamp device are by between the rectangular recess two sides inner wall upper center and spaced and parallel setting One group of sliding rail, the screw rod at the parallel middle part between sliding rail, the motor that screw rod one end connects, one group of cunning being flexibly connected with screw rod Dynamic seat and one end and the hinged other end in sliding seat bottom end run through the rectangular recess inner sidewall and put in the folder in the L shape hollow groove Bar composition is held, the auxiliary retention mechanism is upright guide rail, the upright guide rail being respectively equipped with by the L shape hollow groove upper lumen The vertical guide rod that is equipped in middle part and the vertical guide groove being provided with along the vertical direction, vertical guide groove, the L shape hollow groove lower lumen In the first connecting rod that is equipped between the diamond shape adjustable shelf, vertical guide rod top and the supporting rod that are respectively equipped with and vertical guide rod bottom The second connecting rod being equipped between end and diamond shape adjustable shelf forms.Automatically controlled clamp device plays a major role to the fixation of tubing position, Aided location of the auxiliary retention mechanism for tubing is fixed.
As a kind of improvement of the utility model, the screw rod extends through the sliding seat upper end and stretches out, and the cunning Connection component, the sliding seat top and the corresponding sled position difference are equipped between dynamic seat through part and the screw rod outside It is provided with sliding slot.It is flexibly connected between screw rod and sliding seat, sliding seat is slided along sliding rail length direction.
As a kind of improvement of the utility model, the connection component be by be cased with outside the screw rod travelling nut, The steel outer ring and steel inner ring and steel that the steel inner ring that is set to outside travelling nut, sliding seat through part inner end are equipped with The roller composition that equal radians are uniformly provided between outer ring, the connection component quantity is two, and the screw thread of travelling nut therein It is oppositely arranged between each other.The construction and travelling nut screw thread of connection component are oppositely arranged.
As a kind of improvement of the utility model, the supporting rod top is scalable, and the supporting rod and the rectangle are recessed Slot inner sidewall through part activity setting, the L shape hollow groove is in the level being connected to by vertical hollow groove and one end with its bottom end Empty slot composition, the horizontal hollow slot respectively correspond the rectangular recess position setting.The positional structure of L shape hollow groove, clamping Bar activity is protruded into L shape hollow groove.
As a kind of improvement of the utility model, the supporting rod is put in the vertical hollow groove, and it puts in length Less than the width of the vertical hollow groove, the rectangular recess two sides bottom end and corresponding horizontal hollow groove location has It is connected to the rectangular receptacle of horizontal hollow slot.L shape hollow groove is connected to by rectangular receptacle with rectangular recess.
As a kind of improvement of the utility model, the diamond shape adjustable shelf includes four consistent stocks of model, and stock It is hinged between end, the diamond shape adjustable shelf is set in the horizontal hollow slot, and the upright guide rail is set to described vertical In hollow groove, the diamond shape adjustable shelf is equipped with reset spring between inner end in the horizontal direction, and the diamond shape adjustable shelf is close to described Vertical hollow groove location side end activity is fixed.The composition of diamond shape adjustable shelf.
As a kind of improvement of the utility model, length of the diamond shape adjustable shelf close to vertical one side-lower of hollow groove It is fixedly connected between bar and the second connecting rod, it is hinged between the second connecting rod and the vertical guide rod bottom end, described first It is respectively articulated between connecting rod and the vertical guide rod, supporting rod.First connecting rod, the determination of second connecting rod position and connection relationship are really It is fixed.
As a kind of improvement of the utility model, the diamond shape adjustable shelf corresponds to rectangular receptacle position one end and is connected with Horizontal guide, the horizontal guide are stretched out along the rectangular receptacle length direction, and the horizontal guide extension end is equipped with arc Fixture block.Horizontal guide runs through rectangular receptacle, and arc fixture block plays auxiliary tubing position fastening effect.
As a kind of improvement of the utility model, outside the supporting rod and arc fixture block inner end is respectively with and rubs Wipe layer.The frictional layer being equipped with prevents from having skidded phenomenon when carrying out position clamping to tubing.
As a kind of improvement of the utility model, the pedestal upper end is equipped with operation panel and control device, the operation Panel is equipped with power switch and operation key, is equipped with PLC system and control module in the control device.Operation panel and control Whole manipulation of the device for equipment.
Compared with the existing technology, the utility model has the advantages that the device uses crank connecting link principle, not only structure Simply, convenient for operation, maintenance, and the tubing of different model can be clamped, is equipped with automatically controlled clamp device and auxiliary is tight Gu mechanism carries out dual clamping to the tubing of required processing, so that the tubing position of required processing is more fixed.
Detailed description of the invention
Fig. 1 is a kind of electrothermal tube processing tubing position fixing apparatus plane skeleton symbol figure of the utility model;
Fig. 2 is connection component plan-position structural schematic diagram;
Fig. 3 is the first connecting rod position plane schematic diagram;,
Fig. 4 is the diamond shape adjustable shelf floor map;
Fig. 5 is the arc fixture block floor map;
Reference signs list: 1, pedestal;2, rectangular table;3, rectangular recess;4, L shape hollow groove;5, automatically controlled fastening dress It sets;6, retention mechanism is assisted;7, sliding rail;8, screw rod;9, motor;10, sliding seat;11, supporting rod;12, upright guide rail;13 is vertical Guide groove,;14, vertical guide rod;15, diamond shape adjustable shelf;16, first connecting rod;17, second connecting rod;18, connection component;19, rectangle is inserted Mouthful;20, reset spring;21, horizontal guide;22, arc fixture block.
Specific embodiment
Embodiment 1: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, now to a kind of electrothermal tube processing use provided by the utility model Tubing position fixing apparatus is illustrated, including pedestal 1,1 upper center of pedestal and is provided along its length rectangle work Make platform 2,2 upper center of rectangular table and is provided with rectangular recess 3,2 inner cavity of rectangular table along its width direction And be located at the 3 position two sides of rectangular recess and have L shape hollow groove 4,3 inner end of rectangular recess is filled equipped with automatically controlled fastening 5 are set, auxiliary retention mechanism 6 is equipped in the L shape hollow groove 4, the automatically controlled clamp device 5 is by 3 two sides of rectangular recess Between inner wall upper center and screw rod 8, the screw rod 8 of one group of sliding rail 7 of spaced and parallel setting, the parallel middle part between sliding rail 7 The motor 9 of one end connection, the hinged other end of one group of sliding seat 10 and one end and 10 bottom end of sliding seat being flexibly connected with screw rod 8 pass through The supporting rod 11 that 3 inner sidewall of rectangular recess puts in the L shape hollow groove 4 is worn to form, the auxiliary retention mechanism 6 be by It upright guide rail 12 that 4 upper lumen of L shape hollow groove is respectively equipped with, 12 middle part of upright guide rail and is provided with along the vertical direction perpendicular The diamond shape being respectively equipped in the vertical guide rod 14 that is equipped in straight guide groove 13, vertical guide groove 13,4 lower lumen of L shape hollow groove The first connecting rod 16 and vertical 14 bottom end of guide rod that are equipped between adjustable shelf 15,14 top of vertical guide rod and the supporting rod 11 and water chestnut The second connecting rod 17 being equipped between shape adjustable shelf 15 forms.
Embodiment 2: referring to Fig. 1, Fig. 2, now a kind of electrothermal tube processing provided by the utility model is fixed with tubing position Device is illustrated, and the screw rod 8 extends through 10 upper end of sliding seat and stretches out, and 10 through part of the sliding seat with it is described Sliding slot is had equipped with connection component 18,10 top of sliding seat and corresponding 7 position of sliding rail between 8 outside of screw rod.
Embodiment 3: referring to fig. 2, now to a kind of electrothermal tube processing tubing position fixing apparatus provided by the utility model It is illustrated, the connection component 18 is by the travelling nut being cased with outside the screw rod 8, the steel being set to outside travelling nut Radians are uniformly set between the steel outer ring and steel inner ring and steel outer ring that inner ring, 10 through part inner end of the sliding seat are equipped with etc. By roller form, 18 quantity of connection component is two, and the screw thread of travelling nut therein is oppositely arranged between each other.
Embodiment 4: referring to Fig. 1, Fig. 3, now a kind of electrothermal tube processing provided by the utility model is fixed with tubing position Device is illustrated, and 11 top of supporting rod is scalable, and the supporting rod 11 and the 3 inner sidewall through part of rectangular recess are living Dynamic setting, the L shape hollow groove 4 are made of the horizontal hollow slot that vertical hollow groove and one end are connected to its bottom end, the water Flat hollow groove respectively corresponds 3 position of the rectangular recess setting.
Embodiment 5: referring to Fig. 1, Fig. 3, now a kind of electrothermal tube processing provided by the utility model is fixed with tubing position Device is illustrated, and the supporting rod 11 is put in the vertical hollow groove, and it puts in length less than the vertical hollow groove Width, the 3 two sides bottom end of the rectangular recess and corresponding horizontal hollow groove location has connection horizontal hollow slot Rectangular receptacle 19.
Embodiment 6: referring to Fig. 1, Fig. 3, Fig. 4, now to a kind of electrothermal tube processing tubing position provided by the utility model Fixed device is illustrated, and the diamond shape adjustable shelf 15 includes four consistent stocks of model, and is mutually cut with scissors between long boom end It connects, the diamond shape adjustable shelf 15 is set in the horizontal hollow slot, and the upright guide rail 12 is set in the vertical hollow groove, institute State diamond shape adjustable shelf 15 and be equipped with reset spring 20 between inner end in the horizontal direction, the diamond shape adjustable shelf 15 close to it is described it is vertical in The side end activity of empty slot position is fixed.
Embodiment 7: referring to Fig. 3, Fig. 4, now a kind of electrothermal tube processing provided by the utility model is fixed with tubing position Device is illustrated, stock and the second connecting rod 17 of the diamond shape adjustable shelf 15 close to vertical one side-lower of hollow groove Between be fixedly connected, it is hinged between the second connecting rod 17 and 14 bottom end of vertical guide rod, the first connecting rod 16 with it is described It is respectively articulated between vertical guide rod 14, supporting rod 11.
Embodiment 8: referring to Fig. 1, Fig. 4, Fig. 5, now to a kind of electrothermal tube processing tubing position provided by the utility model Fixed device is illustrated, and the corresponding described 19 position one end of rectangular receptacle of the diamond shape adjustable shelf 15 is connected with horizontal guide 21, The horizontal guide 21 is stretched out along 19 length direction of rectangular receptacle, and 21 extension end of the horizontal guide is equipped with arc fixture block 22。
Embodiment 9: referring to Fig. 1, Fig. 3, Fig. 5, now to a kind of electrothermal tube processing tubing position provided by the utility model Fixed device is illustrated, and 11 outside of supporting rod and 22 inner end of arc fixture block are respectively with frictional layer.
Embodiment 10: referring to Fig. 1, now to a kind of electrothermal tube processing tubing position fixing apparatus provided by the utility model It is illustrated, 1 upper end of pedestal is equipped with operation panel and control device, and the operation panel is equipped with power switch and operation Key, the control device is interior to be equipped with PLC system and control module.
The utility model can also by least one of described technical characteristic of embodiment 2,3,4,5,6,7,8,9,10 with Example 1 group closes to form new embodiment.
Working principle: the tubing of required processing is put into the rectangular recess that rectangular table upper end is provided with, motor running Screw rod rotation is driven, the rotation of screw rod drives sliding seat to slide along sliding rail length direction, and the movement of sliding seat drives supporting rod fortune Make.When sliding seat by screw rod drive relative motion when, supporting rod is close to each other, supporting rod by first connecting rod, vertical guide rod, Second connecting rod, diamond shape adjustable shelf drive horizontal guide level to stretch out through rectangular receptacle, and horizontal guide drives the movement of arc fixture block, To realize being auxiliarily fixed for tubing position;When sliding seat drives reverse motions by screw rod, supporting rod is located remotely from each other, clamping Bar drives the recession of arc fixture block by first connecting rod, vertical guide rod, second connecting rod, diamond shape adjustable shelf, horizontal guide.The folder being equipped with It holds bar and main function is played to the fixation of tubing position, the arc fixture block auxiliary tubing position being equipped with is fixed.
Technological means disclosed in the utility model is not limited only to technological means disclosed in above embodiment, also Including technical solution consisting of any combination of the above technical features.It should be pointed out that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit Decorations are also considered as the protection scope of the utility model.

Claims (10)

1. a kind of electrothermal tube processing tubing position fixing apparatus, including pedestal (1), which is characterized in that pedestal (1) upper end It middle part and is provided along its length rectangular table (2), rectangular table (2) upper center and is opened along its width direction Have rectangular recess (3), rectangular table (2) inner cavity and be located at the rectangular recess (3) position two sides have in L shape Empty slot (4), rectangular recess (3) inner end are equipped with automatically controlled clamp device (5), and auxiliary fastening is equipped in the L shape hollow groove (4) Mechanism (6), the automatically controlled clamp device (5) are by between the inner wall upper center of the rectangular recess (3) two sides and spaced and parallel One group of sliding rail (7) being arranged, be set in parallel the screw rod (8) at middle part between sliding rail (7), the connection of screw rod (8) one end motor (9), One group of sliding seat (10) being flexibly connected with screw rod (8) and one end and the hinged other end in sliding seat (10) bottom end run through the rectangle Groove (3) inner sidewall puts in the composition of the supporting rod (11) in the L shape hollow groove (4), and the auxiliary retention mechanism (6) is by institute It states the upright guide rail (12) that L shape hollow groove (4) upper lumen is respectively equipped with, be provided in the middle part of upright guide rail (12) and along the vertical direction Vertical guide groove (13), be equipped in vertical guide groove (13) vertical guide rod (14), in L shape hollow groove (4) lower lumen point The first connecting rod (16) being equipped between diamond shape adjustable shelf (15), vertical guide rod (14) top and the supporting rod (11) not being equipped with And the second connecting rod (17) being equipped between vertical guide rod (14) bottom end and diamond shape adjustable shelf (15) forms.
2. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 1, it is characterised in that: the screw rod (8) stretching of the sliding seat (10) upper end is extended through, and between the sliding seat (10) through part and the screw rod (8) outside Equipped with connection component (18), sliding seat (10) top and corresponding sliding rail (7) position has sliding slot.
3. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 2, it is characterised in that: the connection Component (18) is the steel inner ring being set to by the external travelling nut being cased with of the screw rod (8), travelling nut outside, the sliding The set of rollers for waiting radians to be uniformly provided between the steel outer ring and steel inner ring and steel outer ring that seat (10) through part inner end is equipped with At connection component (18) quantity is two, and the screw thread of travelling nut therein is oppositely arranged between each other.
4. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 1, it is characterised in that: the clamping Bar (11) top is scalable, and the supporting rod (11) and the rectangular recess (3) inner sidewall through part activity are arranged, the L shape Hollow groove (4) is made of the horizontal hollow slot that vertical hollow groove and one end are connected to its bottom end, the horizontal hollow slot difference Corresponding rectangular recess (3) the position setting.
5. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 4, it is characterised in that: the clamping Bar (11) is put in the vertical hollow groove, and it puts in the width that length is less than the vertical hollow groove, the rectangular recess (3) two sides bottom end and the corresponding horizontal hollow groove location have the rectangular receptacle (19) of connection horizontal hollow slot.
6. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 5, it is characterised in that: the diamond shape Adjustable shelf (15) includes four consistent stocks of model, and is hinged between long boom end, and the diamond shape adjustable shelf (15) sets In in the horizontal hollow slot, the upright guide rail (12) is set in the vertical hollow groove, diamond shape adjustable shelf (15) edge Reset spring (20) are equipped between horizontal direction inner end, the diamond shape adjustable shelf (15) is close to the vertical hollow groove location side End activity is fixed.
7. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 6, it is characterised in that: the diamond shape Adjustable shelf (15) is fixedly connected between the stock and the second connecting rod (17) of vertical one side-lower of hollow groove, described It is hinged between second connecting rod (17) and the vertical guide rod (14) bottom end, the first connecting rod (16) and the vertical guide rod (14), it is respectively articulated between supporting rod (11).
8. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 7, it is characterised in that: the diamond shape Corresponding described rectangular receptacle (19) the position one end of adjustable shelf (15) is connected with horizontal guide (21), and the horizontal guide (21) is along institute The stretching of rectangular receptacle (19) length direction is stated, and the horizontal guide (21) extension end is equipped with arc fixture block (22).
9. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 8, it is characterised in that: the clamping Bar (11) outside and arc fixture block (22) inner end are respectively with frictional layer.
10. a kind of electrothermal tube processing tubing position fixing apparatus according to claim 1, it is characterised in that: the bottom Seat (1) upper end is equipped with operation panel and control device, and the operation panel is equipped with power switch and operation key, the control dress PLC system and control module are equipped in setting.
CN201821211478.9U 2018-07-30 2018-07-30 A kind of electrothermal tube processing tubing position fixing apparatus Expired - Fee Related CN208945979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821211478.9U CN208945979U (en) 2018-07-30 2018-07-30 A kind of electrothermal tube processing tubing position fixing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821211478.9U CN208945979U (en) 2018-07-30 2018-07-30 A kind of electrothermal tube processing tubing position fixing apparatus

Publications (1)

Publication Number Publication Date
CN208945979U true CN208945979U (en) 2019-06-07

Family

ID=66732631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821211478.9U Expired - Fee Related CN208945979U (en) 2018-07-30 2018-07-30 A kind of electrothermal tube processing tubing position fixing apparatus

Country Status (1)

Country Link
CN (1) CN208945979U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113183030A (en) * 2021-05-10 2021-07-30 成都先进金属材料产业技术研究院股份有限公司 Metallographic specimen grinds anchor clamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113183030A (en) * 2021-05-10 2021-07-30 成都先进金属材料产业技术研究院股份有限公司 Metallographic specimen grinds anchor clamps

Similar Documents

Publication Publication Date Title
CN208945979U (en) A kind of electrothermal tube processing tubing position fixing apparatus
CN107099981A (en) A kind of synchronization telescope formula clothes hanger
CN209276703U (en) A kind of high-efficient anti-vibration doubling frame
CN205661035U (en) Plastic shield prebalelling pipe machine
CN208118088U (en) A kind of bridge maintenance device
CN209078837U (en) A kind of high stability multi-angle pipe cutting machine of fast automatic clamping
CN203737774U (en) Multifunctional air pressure pipe bending machine
CN207481233U (en) A kind of PE tubing connects heating tool
CN208432061U (en) One kind being based on copper clad aluminum wire drawing wire blow-dry device
CN207057196U (en) Cleaning equipment in a kind of heat exchange tube
CN205436529U (en) Can adjust simple and easy test tube washing machine of test -tube rack height
CN205625835U (en) Glued membrane mop that can fifty percent discount
CN209406943U (en) A kind of automobile die cleaning drying device
CN111299907B (en) Welding wire and preparation system and preparation method thereof
CN209477002U (en) A kind of adjustable bending machine of bending radius
CN205908973U (en) Wall -hanging KTV song library
CN208251238U (en) The multi-functional induction hand washing sink in toilet
CN208187116U (en) bar heating device
CN205973243U (en) Move lead screw device
CN207062607U (en) A kind of synchronization telescope formula clothes hanger
CN209010750U (en) A kind of overflow dyeing machine extension type plaiting device and a kind of overflow dyeing machine
CN202753438U (en) Plastic pipe flaring device
CN208178557U (en) A kind of metal pipe material cutting machine
CN208930711U (en) A kind of shrinkage expanding unit of fiber cloth bag support
CN213857357U (en) Novel cutting device

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: 20190607

CF01 Termination of patent right due to non-payment of annual fee