CN110894031A - Novel mechanical chuck - Google Patents
Novel mechanical chuck Download PDFInfo
- Publication number
- CN110894031A CN110894031A CN201911306021.5A CN201911306021A CN110894031A CN 110894031 A CN110894031 A CN 110894031A CN 201911306021 A CN201911306021 A CN 201911306021A CN 110894031 A CN110894031 A CN 110894031A
- Authority
- CN
- China
- Prior art keywords
- groove
- upper cover
- mechanical chuck
- novel mechanical
- bottom cover
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
Landscapes
- Gripping On Spindles (AREA)
Abstract
The invention discloses a novel mechanical chuck, which comprises a chuck seat and an external sleeve, wherein the external sleeve is sleeved outside the chuck seat, and the chuck seat also comprises a bottom cover, an upper cover, a stepped section, a hollow shaft, a rotating shaft, an extrusion block, a large gear and an elastic clamping block.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of chucks of unwinding mechanisms, in particular to a novel mechanical chuck.
[ background of the invention ]
In printing machinery and relevant equipment, we need adopt unwinding device or coiling mechanism usually, the coil stock needs the joint on coiling mechanism or unwinding device's card axle, current card axle adopts 3 inches or 6 inches's mechanical dop usually, need utilize to fill when current mechanical dop uses and bleed to realize the chucking of coil stock and relax, airtight part is after long-time the use, the condition that the leakproofness descends appears easily, and then lead to the ageing of mechanical dop, and current physiosis formula mechanical dop can't adjust the tensile force according to actual need, make the paper core of coil stock take place to warp easily, the work of unreeling is taken place in the influence, consequently, it is necessary to provide a novel mechanical type dop.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a novel mechanical chuck which is simple in structure and reasonable in design, replaces an original pneumatic structure with a mechanical structure, realizes tensioning of a coil paper core, can adjust the tensioning force according to actual winding and unwinding requirements, and avoids overlarge tensioning force to cause the paper core to deform.
In order to achieve the purpose, the invention provides a novel mechanical chuck, which comprises a chuck seat and an external sleeve, wherein the external sleeve is sleeved outside the chuck seat, the chuck seat further comprises a bottom cover, an upper cover, a step section, a hollow shaft, a rotating shaft, an extrusion block, a large gear and an elastic clamping block, the upper cover is arranged above the bottom cover, grooves are respectively arranged on the opposite sides of the bottom cover and the upper cover, the two grooves are tightly attached to form a cavity, open grooves are respectively arranged on the right sides of the bottom cover and the upper cover, an adjusting gear is fixedly arranged in the open grooves, the elastic clamping block is arranged between the adjusting gear and the open grooves, the step section is arranged on the upper surface of the upper cover, the hollow shaft is arranged above the step section, a plurality of first through grooves are arranged on the hollow shaft, a first sliding block is arranged in the first through grooves, and the rotating, the bottom of rotation axis contacts with the bottom, be equipped with the screw thread section on the rotation axis, be equipped with the extrusion piece on the screw thread section, the lateral wall of extrusion piece contacts with the inside wall of first slider, be equipped with the gear wheel on the lower half of rotation axis, the gear wheel is located the cavity inside, gear wheel and adjusting gear intermeshing.
Preferably, the bottom cover and the upper cover are further provided with a plurality of first connecting holes and second connecting holes, and the second connecting holes penetrate through the bottom cover and the upper cover.
Preferably, a connecting thread is arranged on a contact surface of the outer sleeve and the step section, a second through groove corresponding to the first through groove is formed in the outer sleeve, a second sliding block is arranged in the second through groove, a second limiting protrusion is arranged on the side wall of the second sliding block, a second limiting groove is formed in the groove wall of the second through groove, the second limiting protrusion is located in the second limiting groove, and a second spring is arranged between the outer side wall of the second limiting groove and the outer side wall of the second limiting protrusion.
Preferably, a limiting sleeve is arranged on the top wall inside the hollow shaft, the top end of the rotating shaft is located inside the limiting sleeve, spring grooves are formed in the bottom of the limiting sleeve and the top of the extrusion block, a first spring is fixedly connected between the two spring grooves, and the extrusion block is a circular truncated cone with a middle threaded hole.
Preferably, a first limiting groove is formed in the inner side wall of the first through groove, a first limiting protrusion corresponding to the second limiting groove is formed in the side wall of the first sliding block, and the inner side wall of the first sliding block is arc-shaped and corresponds to the outer side wall of the extrusion block.
Preferably, the elastic fixture block is a hard rubber product, a non-return protrusion is arranged on a contact surface of the elastic fixture block and the open slot, and a non-return groove corresponding to the non-return protrusion is arranged on the open slot.
Preferably, the outer side of the rotating shaft is sleeved with three ball bearings, and the three ball bearings are respectively positioned inside the limiting sleeve, at the center of the bottom surface of the upper cover and at the center of the top surface of the bottom cover.
The invention has the beneficial effects that:
the invention has simple structure and reasonable design, the large gear and the rotating shaft are driven by the adjusting gear by arranging the rotating shaft, the extrusion block, the large gear, the adjusting gear, the limiting sleeve, the first spring and the first sliding block, the first spring positioned between the limiting sleeve and the extrusion block can prevent the extrusion block from rotating along with the rotating shaft in the same direction, when the rotating shaft rotates, the extrusion block can move up and down on the rotating shaft to force the first sliding block to radially contract or expand, so that the original inflatable structure is replaced, and the invention also has the advantage of adjustable tension; the diameter of the applicable winding core of the chuck is increased by arranging the external sleeve with the second sliding block; the rotation resistance of the rotating shaft is reduced by arranging a plurality of ball bearings, so that the adjustment is convenient for workers; through the mode that sets up the elasticity fixture block, the tensile force of the fixed dop of personnel of being convenient for prevents that the rotation axis from taking place the gyration, leads to first slider to retract.
[ description of the drawings ]
Fig. 1 is a schematic view of a combination structure of a novel mechanical chuck according to the present invention.
Fig. 2 is a schematic structural view of a chuck seat in the novel mechanical chuck of the present invention.
Fig. 3 is a schematic view of the structure of the outer sleeve of the novel mechanical chuck.
Fig. 4 is a top view of a bottom cap in a novel mechanical chuck of the present invention.
In the figure: 1-a chuck seat, 2-an external sleeve, 21-a connecting thread, 22-a second through groove, 23-a second sliding block, 24-a second limiting protrusion, 25-a second limiting groove, 26-a second spring, 3-a bottom cover, 31-a groove, 32-a cavity, 33-an open groove, 331-a non-return groove, 34-an adjusting gear, 35-a first connecting hole, 36-a second connecting hole, 4-an upper cover, 5-a step section, 6-a hollow shaft, 61-a first through groove, 611-a first limiting groove, 62-a first sliding block, 621-a first limiting protrusion, 63-a limiting sleeve, 64-a spring groove, 65-a first spring, 7-a rotating shaft, 71-a thread section, 72-a ball bearing, 8-an extrusion block, 9-big gear, 10-elastic fixture block and 101-non-return bulge.
[ detailed description ] embodiments
Referring to the accompanying drawings, the novel mechanical chuck of the invention comprises a chuck seat 1 and an external sleeve 2, the external sleeve 2 is sleeved outside the chuck seat 1, the chuck seat 1 further comprises a bottom cover 3, an upper cover 4, a stepped section 5, a hollow shaft 6, a rotating shaft 7, an extrusion block 8, a large gear 9 and an elastic clamping block 10, the upper cover 4 is arranged above the bottom cover 3, grooves 31 are respectively arranged on opposite sides of the bottom cover 3 and the upper cover 4, the two grooves 31 are tightly attached to form a cavity 32, an open groove 33 is respectively arranged on the right sides of the bottom cover 3 and the upper cover 4, an adjusting gear 34 is fixedly arranged in the open groove 33, the elastic clamping block 10 is arranged between the adjusting gear 34 and the open groove 33, the stepped section 5 is arranged on the upper surface of the upper cover 4, the hollow shaft 6 is arranged above the stepped section 5, a plurality of first through grooves 61 are arranged on the hollow shaft 6, first logical groove 61 is inside to be equipped with first slider 62, the inside rotation axis 7 that is equipped with of hollow shaft 6, the bottom and the bottom 3 of rotation axis 7 contact, be equipped with screw thread section 71 on the rotation axis 7, be equipped with extrusion piece 8 on the screw thread section 71, the lateral wall of extrusion piece 8 contacts with the inside wall of first slider 62, be equipped with gear wheel 9 on the lower half of rotation axis 7, gear wheel 9 is located inside the cavity 32, gear wheel 9 and adjusting gear 34 intermeshing.
A plurality of first connecting holes 35 and second connecting holes 36 are further formed in the bottom cover 3 and the upper cover 4, and the second connecting holes 36 penetrate through the bottom cover 3 and the upper cover 4.
The outer sleeve 2 is provided with a connecting thread 21 on a contact surface with the stepped section 5, the outer sleeve 2 is provided with a second through groove 22 corresponding to the first through groove 61, a second slider 23 is arranged inside the second through groove 22, a second limiting bulge 24 is arranged on a side wall of the second slider 23, a second limiting groove 25 is arranged on a groove wall of the second through groove 22, the second limiting bulge 24 is located inside the second limiting groove 25, and a second spring 26 is arranged between an outer side wall of the second limiting groove 25 and an outer side wall of the second limiting bulge 24.
The hollow shaft 6 is provided with a top wall inside with a limiting sleeve 63, the top end of the rotating shaft 7 is located inside the limiting sleeve 63, spring grooves 64 are formed in the bottom of the limiting sleeve 63 and the top of the extrusion block 8, a first spring 65 is fixedly connected between the two spring grooves 64, and the extrusion block 8 is a circular table with a middle threaded hole.
A first limiting groove 611 is formed in the inner side wall of the first through groove 61, a first limiting protrusion 621 corresponding to the second limiting groove 611 is formed in the side wall of the first slider 62, and the inner side wall of the first slider 62 is arc-shaped and corresponds to the outer side wall of the extrusion block 8.
The elastic fixture block 10 is made of hard rubber, a check protrusion 101 is disposed on a contact surface of the elastic fixture block 10 and the open slot 33, and a check groove 331 corresponding to the check protrusion 101 is disposed on the open slot 33.
The outer side of the rotating shaft 7 is sleeved with three ball bearings 72, and the three ball bearings 72 are respectively located inside the limiting sleeve 63, at the center of the bottom surface of the upper cover 4 and at the center of the top surface of the bottom cover 3.
The working process of the invention is as follows:
in the working process of the novel mechanical chuck, the chuck seat 1 can be firstly installed on a winding shaft of winding equipment through the second connecting hole 36, then the adjusting gear 34 is rotated according to actual requirements to adjust the radial protruding degree of the first sliding block 62, the paper core is tensioned, then the elastic clamping block 10 is installed between the adjusting gear 34 and the open slot 33, the adjusting gear 34 is clamped to finish tensioning operation, when the size of the paper core is larger, the outer sleeve 2 can be firstly installed on the chuck seat 1, then the adjusting operation is repeated to finish clamping the paper core, compared with the prior art, the novel mechanical chuck is simple in structure and reasonable in design, the large gear 9 and the rotating shaft 7 are driven by the adjusting gear 34 in a mode of arranging the rotating shaft 7, the extrusion block 8, the large gear 9, the adjusting gear 34, the limiting sleeve 63, the first spring 65 and the first sliding block 62, the first spring 65 positioned between the limiting sleeve 63 and the extrusion block 8 can prevent the extrusion block 8 from rotating along with the rotating shaft 7 in the same direction, when the rotating shaft 7 rotates, the extrusion block 8 can move up and down on the rotating shaft 7 to force the first sliding block 62 to radially contract or expand, so that the original inflatable structure is replaced, and the adjustable-tension device also has the advantage of adjustable tension force; the diameter of the applicable winding core of the chuck is increased by arranging the outer sleeve 2 with the second sliding block 23; the rotation resistance of the rotating shaft 7 is reduced by arranging the plurality of ball bearings 72, so that the adjustment is convenient for workers; through the mode that sets up elasticity fixture block 10, the tensile force of the fixed dop of personnel of being convenient for prevents that rotation axis 7 from taking place to revolve, leads to first slider 62 to retract.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. A novel mechanical chuck is characterized in that: the clamping head comprises a clamping head seat (1) and an external sleeve (2), the external sleeve (2) is sleeved on the outer side of the clamping head seat (1), the clamping head seat (1) further comprises a bottom cover (3), an upper cover (4), a step section (5), a hollow shaft (6), a rotating shaft (7), an extrusion block (8), a gear wheel (9) and an elastic clamping block (10), the upper cover (4) is arranged above the bottom cover (3), grooves (31) are formed in the opposite sides of the bottom cover (3) and the upper cover (4), the two grooves (31) are tightly attached to form a cavity (32), an open slot (33) is formed in the right sides of the bottom cover (3) and the upper cover (4), an adjusting gear (34) is fixedly arranged in the open slot (33), the elastic clamping block (10) is arranged between the adjusting gear (34) and the open slot (33), the step section (5) is arranged on the upper surface of the upper cover, step section (5) top is equipped with hollow shaft (6), be equipped with a plurality of first logical grooves (61) on hollow shaft (6), first logical groove (61) inside is equipped with first slider (62), hollow shaft (6) inside is equipped with rotation axis (7), the bottom and bottom (3) of rotation axis (7) contact, be equipped with screw thread section (71) on rotation axis (7), be equipped with extrusion piece (8) on screw thread section (71), the lateral wall of extrusion piece (8) contacts with the inside wall of first slider (62), be equipped with gear wheel (9) on the lower half of rotation axis (7), gear wheel (9) are located inside cavity (32), gear wheel (9) and adjusting gear (34) intermeshing.
2. A novel mechanical chuck as defined in claim 1, further comprising: the bottom cover (3) and the upper cover (4) are further provided with a plurality of first connecting holes (35) and second connecting holes (36), and the second connecting holes (36) penetrate through the bottom cover (3) and the upper cover (4).
3. A novel mechanical chuck as defined in claim 1, further comprising: be equipped with connecting thread (21) on the contact surface of outside sleeve (2) and ladder section (5), be equipped with on outside sleeve (2) and lead to groove (22) with first second that leads to groove (61) corresponding, the second leads to inside second slider (23) that is equipped with of groove (22), be equipped with spacing arch of second (24) on the lateral wall of second slider (23), be equipped with second spacing groove (25) on the cell wall that the groove (22) was led to the second, spacing arch of second (24) are located inside second spacing groove (25), be equipped with second spring (26) between the lateral wall of second spacing groove (25) and the lateral wall of the spacing arch of second (24).
4. A novel mechanical chuck as defined in claim 1, further comprising: be equipped with stop collar (63) on the inside roof of hollow shaft (6), the top of rotation axis (7) is located inside stop collar (63), the top of stop collar (63) bottom and extrusion piece (8) is equipped with spring groove (64), first spring (65) of fixedly connected with between two spring groove (64), extrusion piece (8) are the round platform that has middle screw hole.
5. A novel mechanical chuck as defined in claim 1, further comprising: the inner side wall of the first through groove (61) is provided with a first limiting groove (611), the side wall of the first sliding block (62) is provided with a first limiting protrusion (621) corresponding to the second limiting groove (611), and the inner side wall of the first sliding block (62) is arc-shaped and corresponds to the outer side wall of the extrusion block (8).
6. A novel mechanical chuck as defined in claim 1, further comprising: the elastic clamping block (10) is made of hard rubber, a non-return protrusion (101) is arranged on the contact surface of the elastic clamping block (10) and the open groove (33), and a non-return groove (331) corresponding to the non-return protrusion (101) is arranged on the open groove (33).
7. A new mechanical chuck as defined in claims 1-6, further characterized by: the outer side of the rotating shaft (7) is sleeved with three ball bearings (72), and the three ball bearings (72) are respectively positioned inside the limiting sleeve (63), at the center of the bottom surface of the upper cover (4) and at the center of the top surface of the bottom cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306021.5A CN110894031A (en) | 2019-12-18 | 2019-12-18 | Novel mechanical chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306021.5A CN110894031A (en) | 2019-12-18 | 2019-12-18 | Novel mechanical chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110894031A true CN110894031A (en) | 2020-03-20 |
Family
ID=69788074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911306021.5A Pending CN110894031A (en) | 2019-12-18 | 2019-12-18 | Novel mechanical chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110894031A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0275331A1 (en) * | 1986-12-27 | 1988-07-27 | Tidland GmbH | Expansible mandrel |
| CN203806770U (en) * | 2014-04-15 | 2014-09-03 | 南京嘉旭机械制造有限公司 | Inflatable mechanical chuck |
| CN206955377U (en) * | 2017-04-22 | 2018-02-02 | 江苏中基复合材料股份有限公司 | Battery aluminium foil rewinding fixture |
| CN208593918U (en) * | 2018-08-07 | 2019-03-12 | 浙江双胤科技有限公司 | A kind of slide block structure mechanical expansion shaft |
| CN209396159U (en) * | 2018-12-21 | 2019-09-17 | 东莞市楷德精密机械有限公司 | Mechanically rise axis |
| CN110240016A (en) * | 2019-06-24 | 2019-09-17 | 陕西国防工业职业技术学院 | A kind of mechanical expansion shaft based on air-expanding shaft principle |
-
2019
- 2019-12-18 CN CN201911306021.5A patent/CN110894031A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0275331A1 (en) * | 1986-12-27 | 1988-07-27 | Tidland GmbH | Expansible mandrel |
| CN203806770U (en) * | 2014-04-15 | 2014-09-03 | 南京嘉旭机械制造有限公司 | Inflatable mechanical chuck |
| CN206955377U (en) * | 2017-04-22 | 2018-02-02 | 江苏中基复合材料股份有限公司 | Battery aluminium foil rewinding fixture |
| CN208593918U (en) * | 2018-08-07 | 2019-03-12 | 浙江双胤科技有限公司 | A kind of slide block structure mechanical expansion shaft |
| CN209396159U (en) * | 2018-12-21 | 2019-09-17 | 东莞市楷德精密机械有限公司 | Mechanically rise axis |
| CN110240016A (en) * | 2019-06-24 | 2019-09-17 | 陕西国防工业职业技术学院 | A kind of mechanical expansion shaft based on air-expanding shaft principle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110894032B (en) | Manual mechanical type axle that expands | |
| CN107322549A (en) | A kind of axial workpiece safety protection frame held tightly automatically | |
| CN108188436A (en) | Efficient Double-headed drilling device | |
| CN108275490B (en) | One kind exempting from carrier diaphragm wrap-up | |
| CN110894031A (en) | Novel mechanical chuck | |
| CN210763702U (en) | Automatic winding machine suitable for multi-specification bobbin | |
| CN209401479U (en) | New wound-rotor mold and the coil winding mechanism for using the mold | |
| CN107414771B (en) | A kind of axial workpiece safety protection frame | |
| CN207504740U (en) | Around machine in a kind of nine axis brushless motor stators | |
| CN217553191U (en) | Mechanical drum | |
| CN113246517B (en) | Tyre belt winding process | |
| CN205615751U (en) | Soft loose product round packaging machine | |
| CN209379841U (en) | Cable wire flow forming molding | |
| CN211518561U (en) | Solid tire child base anchor clamps | |
| CN204036873U (en) | A kind of gapless belt drum | |
| CN113445162A (en) | Preparation device and preparation method of auxetic composite yarn | |
| CN209682016U (en) | A kind of telescoping mechanism of Mobile tool | |
| CN207127015U (en) | A kind of mechanical expansion shaft | |
| CN208869029U (en) | Crimping device is used in a kind of production of heat insulating mattress | |
| CN215248415U (en) | Coiling and uncoiling device for artificial leather preparation | |
| CN206486106U (en) | Clamping type tension decreasing device | |
| CN216836619U (en) | Automatic centering clamping winding and unwinding device | |
| CN104228097A (en) | Seamless belt beam layer attaching drum | |
| CN217193077U (en) | Fastening device for gear milling machine tool fixture | |
| CN109226610A (en) | Cable wire flow forming molding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200320 |