CN205780377U - Air-expanding shaft safety chuck mechanism - Google Patents
Air-expanding shaft safety chuck mechanism Download PDFInfo
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- CN205780377U CN205780377U CN201620618804.2U CN201620618804U CN205780377U CN 205780377 U CN205780377 U CN 205780377U CN 201620618804 U CN201620618804 U CN 201620618804U CN 205780377 U CN205780377 U CN 205780377U
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- chuck
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- expanding shaft
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Abstract
nullThe utility model discloses a kind of air-expanding shaft safety chuck mechanism，Including rotating disk、Air-expanding shaft and chuck mechanism，Described chuck mechanism includes chuck axis and chuck，Described chuck axis one end rotates and is arranged on rotating disk，The described chuck axis other end offers the draw-in groove corresponding with air-expanding shaft end，Described draw-in groove makes the air-expanding shaft end can loading draw-in groove radially along the radial opening of chuck axis，Described chuck is slidably arranged on chuck axis，And this chuck can slide into and hides the opening of draw-in groove and prevent chuck axis taking-up radially，And chuck slides into when hiding draw-in groove，The position, hole mated with air-expanding shaft end is formed between chuck with draw-in groove，It is equipped with limiting the stopping means of chuck sliding position on described air-expanding shaft，This utility model can realize installation and the dismounting of air-expanding shaft by mobile chuck，Convenient to disassembly，And also by stopping means, chuck is carried out spacing，Prevent from air-expanding shaft from easily getting loose to fly out，Safety is higher.
Description
Technical field
This utility model relates to printing equipment field, particularly one air-expanding shaft safety chuck mechanism.
Background technology
Existing air-expanding shaft locking mechanism uses ring flange screw threads for fastening or circular arc gland-type more, though the former has good
Good fastening performance (screw-threaded coupling quantity is many), but locking mode is loaded down with trivial details and the big weight of ring flange volume is also big, installs trouble, gas
Swelling shaft easily gets loose and flies out, and need to dismount ring flange has certain industrial injury risk every time, there is safety in production hidden danger.
Summary of the invention
In order to overcome the deficiencies in the prior art, this utility model provides a kind of air-expanding shaft safety chuck mechanism.
This utility model solves its technical problem and be the technical scheme is that
Air-expanding shaft safety chuck mechanism, including rotating disk, air-expanding shaft and chuck mechanism, described chuck mechanism include chuck axis and
Chuck, described chuck axis one end rotates and is arranged on rotating disk, and the described chuck axis other end offers corresponding with air-expanding shaft end
Draw-in groove, described draw-in groove along the radial opening of chuck axis make air-expanding shaft end can loading draw-in groove radially, described chuck slides
It is arranged on chuck axis, and this chuck can slide into and hides the opening of draw-in groove and prevent chuck axis taking-up radially, and chuck
When sliding into covering draw-in groove, form the position, hole mated with air-expanding shaft end between chuck with draw-in groove, described air-expanding shaft is configured with
The stopping means of chuck sliding position can be limited.
Described air-expanding shaft end includes that a cylindrical portion, described draw-in groove are an arcuate groove corresponding with cylindrical portion, described chuck
It is a circular ring structure that can be set on chuck axis, the inwall of chuck is configured with the compact heap corresponding with cylindrical portion, card
Dish can move axially along chuck axis.
Described stopping means includes a limit buckle being articulated on chuck axis and can provide upwards elastic force for limit buckle
Back-moving spring, be provided with a limited step in the middle part of described limit buckle, described limit buckle front end can penetrate the card of circular ring structure
The inwall of dish also limits chuck by limited step and slides backward, and when described limit buckle is pressed under external force, limited step is less than card
Dish inwall, described chuck can slide backward opens draw-in groove, and compresses limit buckle and keep down state.
The stopper slot snapped in when being equipped with on described rotating disk for the downward state of limit buckle.
Air-expanding shaft end is additionally provided with the shaft coupling portion of a non-circular structure, described draw-in groove is provided with and this shaft coupling portion pair
The synchronization screens answered so that when chuck hides draw-in groove, shaft coupling portion clip mutual with Tong Bu screens so that air-expanding shaft and chuck mechanism
Synchronous axial system.
Described shaft coupling portion be a cross section be the column construction of equilateral triangle, be configured with two Fasteners in described draw-in groove, two
The synchronization screens corresponding with the position, corner of column construction is formed between individual Fastener.
It is provided with a safety pin on described compact heap, described rotating disk is provided with the pin hole inserted for safety pin.
It is provided with on described rotating disk being respectively induced chuck and the induction installation of position limiting structure position, is filled by sensing
The sense state put can control the running status of equipment.
Described induction installation includes induction apparatus one, induction apparatus two, and described induction apparatus one can sense the position of safety pin
Putting, described induction apparatus two can sense the spacing state of position limiting structure, and chuck moves to when opening draw-in groove, and safety pin moves with chuck
Dynamic insertion pin hole, described induction apparatus one can sense safety pin.
Described chuck axis side is provided with the chute axially extended of least one set, described chuck is provided with and is inserted into
The lead of chute.
The beneficial effects of the utility model are: air-expanding shaft safety chuck mechanism, including rotating disk, air-expanding shaft and chuck mechanism,
Described chuck mechanism includes chuck axis and chuck, and described chuck axis one end rotates and is arranged on rotating disk, the described chuck axis other end
Offering the draw-in groove corresponding with air-expanding shaft end, described draw-in groove makes the air-expanding shaft end can be radially along the radial opening of chuck axis
Loading draw-in groove, described chuck is slidably arranged on chuck axis, and this chuck can slide into and hides the opening of draw-in groove and prevent
Chuck axis taking-up radially, and when chuck slides into covering draw-in groove, between chuck with draw-in groove, formation is mated with air-expanding shaft end
Kong Wei, described air-expanding shaft is equipped with limit the stopping means of chuck sliding position, and this utility model is by mobile chuck
Installation and the dismounting of air-expanding shaft can be realized, convenient to disassembly, and also by stopping means, chuck is carried out spacing, prevent gas
Swelling shaft easily gets loose and flies out, and safety is higher.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is this utility model draw-in groove structural representation when opening；
Fig. 2 is decomposing schematic representation of the present utility model；
Fig. 3 is the end construction schematic diagram of this utility model air-expanding shaft；
Fig. 4 is the schematic cross-section during closedown of this utility model draw-in groove；
Fig. 5 is this utility model draw-in groove schematic cross-section when opening.
Detailed description of the invention
It is the structural representation of one specific embodiment of this utility model referring to figs. 1 through Fig. 5, Fig. 1 to Fig. 5, as it can be seen,
Air-expanding shaft safety chuck mechanism, including rotating disk 1, air-expanding shaft 2, bearing plate 7, safety lock adnexa 8 and chuck assembly, described chuck
Device includes chuck axis 4 and chuck 5, and described chuck axis 4 one end is rotated by bearing and is arranged on rotating disk 1 and passes through bearing plate
7 compress bearing, and described safety lock adnexa 8 is set on chuck axis 4 and is fixed on rotating disk 1.
Described chuck axis 4 other end offers the draw-in groove 41 corresponding with air-expanding shaft 2 end, and described draw-in groove 41 is along chuck axis 4
Radial opening make air-expanding shaft 2 end can loading draw-in groove 41 radially, described chuck 5 is slidably arranged on chuck axis 4, and
This chuck 5 can slide into and hides the opening of draw-in groove 41 and prevent chuck axis 4 taking-up radially, and chuck 5 slides into covering card
During groove 41, between chuck 5 with draw-in groove 41, form the position, hole mated with air-expanding shaft 2 end, described air-expanding shaft 2 is equipped with limit
The stopping means of fabrication dish 5 sliding position.
As it can be seen, described air-expanding shaft 2 end includes that a cylindrical portion 21, described draw-in groove 41 are one corresponding with cylindrical portion 21
Arcuate groove, described chuck 5 is a circular ring structure that can be set on chuck axis 4, is configured with and cylinder on the inwall of chuck 5
The compact heap 51 of portion 21 correspondence, chuck 5 can move axially along chuck axis 4, and described chuck axis 4 side is provided with the edge of least one set
Axially extended chute 42, described chuck 5 is provided with the lead 52 being inserted into chute 42, so that chuck 5 and chuck axis 4
Synchronous axial system, when compact heap 51 is with chuck 5 forward slip to covering draw-in groove 41, described compact heap 51 coordinates compression with draw-in groove 41
Cylindrical portion 21, with radially location air-expanding shaft 2, general rotating disk 1 is each equipped with two groups with chuck assembly, and it is oppositely arranged, and is formed
Can axially position the installing space of air-expanding shaft 2, by said structure, installation and dismounting, the dismounting side of air-expanding shaft can be realized
Just quick, and also by stopping means, chuck is carried out spacing, preventing air-expanding shaft from easily getting loose and fly out, safety is higher.
As it can be seen, described stopping means includes a limit buckle 61 being articulated on chuck axis 4 and can be limit buckle 61
The back-moving spring 62 of upwards elastic force is provided, is provided with a limited step 611 in the middle part of described limit buckle 61, before described limit buckle 61
End can penetrate the inwall of the chuck 5 of circular ring structure and be limited chuck 5 slided backward by limited step 611, so that card
Groove 41 is maintained at covering state, keeps the installation to air-expanding shaft 2 to position, when pressing under limit buckle 61 is by external force, and limited step 611
Less than chuck 5 inwall, described chuck 5 can slide backward opens draw-in groove 41, in order to take out air-expanding shaft 2, and described chuck 5 can be to
Rear sliding opening draw-in groove 41, and compress limit buckle 61 and keep down state, it is preferred that described chuck 5 inwall offers with spacing
Detaining the inclined-plane of 61 correspondences so that when chuck 5 moves forward, the limited step 611 of limit buckle 61 can skid off smoothly along this inclined-plane
The inwall of chuck 5.
Preferably, the stopper slot 63 snapped in when described rotating disk 1 being equipped with for limit buckle 61 downward state, in this reality
Execute stopper slot 63 described in example to be arranged on safety lock adnexa 8, when limit buckle 61 does not lines up with stopper slot 63, limit buckle 61 nothing
Method is pressed down, and i.e. cannot be unlocked chuck 5, if limit buckle 61 is alignd with stopper slot 63, and limit buckle 61 is pressed down holding
During state, limit buckle 61 end and the mutual clip of stopper slot 63, limit chuck axis 4 and rotate.
Preferably, air-expanding shaft 2 end is additionally provided with the shaft coupling portion 22 of a non-circular structure, described draw-in groove 41 is provided with
The synchronization screens corresponding with this shaft coupling portion 22 so that when chuck 5 hides draw-in groove 41, shaft coupling portion 22 clip mutual with Tong Bu screens,
Make air-expanding shaft 2 and chuck assembly synchronous axial system.
Preferably, described shaft coupling portion be a cross section be the column construction of equilateral triangle, be configured with two in described draw-in groove 41
Fastener 411, forms the synchronization screens of the angle-style corresponding with the position, corner of column construction, two cards between two Fasteners 411
The trigonum that tight part 411 is formed, is combined with the triangular portions in shaft coupling portion 22 and forms linkage, it is possible to pressed by compact heap 51
Tightly, air-expanding shaft 2 and chuck axis 4 can be made to form the gapless actuating device without play.
Meanwhile, between compact heap 51 and chuck 5, can also configure top pressure bolt, compressed by pressure bolt top, top pressure compact heap 51
Cylindrical portion 21, this mode, while reducing the machining accuracy of part, improves the transmission accuracy of total.
Preferably, described rotating disk 1 is provided be respectively induced chuck 5 and the induction installation of position limiting structure position, institute
Stating induction installation and include induction apparatus 1, induction apparatus 2 302, as shown in Figure 4, Figure 5, wherein, induction apparatus 1 is by one
Frame is installed on the turntable 1, and described compact heap 51 is provided with a safety pin 511, and described bearing plate 7 offers can be for peace
The pin hole 71 that full pin 511 inserts, described bearing plate 7 is further opened with the sensing hole intersected with pin hole, described induction apparatus
One 301 is corresponding with sensing hole, and when safety pin 511 aligns with pin hole 71, safety pin 511 can be inserted with moving after chuck 5 to insert
Pin-and-hole 71, thus prevent chuck axis 4 from rotating, insert pin hole 71 when moving after induction apparatus 1 can sense chuck 5 simultaneously
Safety pin 511.
Described induction apparatus 2 302 is for sensing the spacing state of position limiting structure, as shown in Figure 4, Figure 5, in the present embodiment,
Induction apparatus 2 302 is fixed on safety lock adnexa 8 by support, and described limit buckle 61 rear end is relative with induction apparatus 2 302, works as limit
When turning in position button 61 reset, induction apparatus 2 302 can sense limit buckle 61 rear end, when limit buckle is pressed for 61 times, after limit buckle 61
End rotates so that induction apparatus 2 302 cannot sense limit buckle 61 rear end, thus judges the spacing state of position limiting structure, in this reality
Execute in example, be provided with in chuck axis 4 side and can turn to the breach corresponding with induction apparatus 2 302 so that induction apparatus 2 302 is with scarce
Can sense air-expanding shaft 2 end during mouth alignment, meanwhile, when chuck axis 4 rotates, induction apparatus 2 302 also can sense chuck axis
4。
When normally working, as shown in Figure 4, chuck 5 skids off forward, and compact heap 51 compresses cylindrical portion 21, passes through clamping simultaneously
The shaft coupling portion of part 411 diabolo carries out spacing, and air-expanding shaft end is compacted, and chuck 5 is limited to be buckled 61 spacing, absolutely not flies out
May, it is prevented effectively from air-expanding shaft in drive mechanism and flies the hidden danger at place, meanwhile, induction apparatus 2 302 senses the face of cylinder of chuck axis 4
And air-expanding shaft 2 end, and induction apparatus 1 senses less than safety pin 511, now machine normal operating conditions.
When wanting change of lap, as it is shown in figure 5, machine to be made stops to limit buckle 61 (change of lap side) down, induction apparatus 2 302 passes through
Breach senses air-expanding shaft 2 end, and now the talent can enter into operation；During operation, manual limit buckle 61, and promote chuck 5
The end of back to, now induction apparatus 2 302 senses less than limit buckle 61 rear end, and induction apparatus 1 senses safety pin 511, and two
Individual signal formed series connection control does not allows machine (motor) operate, reach dual model control machine stop (machine down signal with
Induction apparatus 1, the power-off signal of induction apparatus 2 302), and safety pin 511 is stuck in bearing plate 7, and limit buckle 61 is stuck in
In safety lock adnexa 8, reach dual mechanical locking, prevent chuck axis 4 from rotating.Reach to ensure the effect of safety；Simultaneously by change of lap
Time chuck axis 4 direction fix, locked by dual mechanical, air-expanding shaft 2 can only lift and move out, so it also avoid dress time card
Dish axle 4 rotates and causes air-expanding shaft 2 to drop, and causes security incident.
This utility model air-expanding shaft safety chuck, by the innovation of structure, fastens original total head lid mode and changes triangle into
Compress without play transmission, the locking of dual electric signal and dual mechanical locked secure structure.And induction apparatus and mechanical caging phase
Mutual correlation, significantly increases security reliability, the safety knot that contrast old structure is simply locked by motor self-locking or additional structure
For structure, by the way of interlocking, eliminate potential safety hazard.Use triangle to compress without play transmission simultaneously, automatically adjust centering gas
Swelling shaft termination, adds transmission accuracy in the machining accuracy reducing part simultaneously；The transmission accuracy avoiding old structure is inadequate, and zero
The defect that component processing required precision is high, chuck is enclosed within air-expanding shaft and orients taking-up gas expansion shaft, solving air-expanding shaft always
The de-potential safety hazard flown that comes loose existed.
Above preferable enforcement of the present utility model is illustrated, certainly, this utility model can also use with
The form that above-mentioned embodiment is different, those of ordinary skill in the art made on the premise of spirit of the present invention etc.
With conversion or change accordingly, all should belong in protection domain of the present utility model.
Claims (10)
1. air-expanding shaft safety chuck mechanism, it is characterised in that: include rotating disk (1), air-expanding shaft (2) and chuck assembly, described chuck
Device includes chuck axis (4) and chuck (5), and described chuck axis (4) one end rotates and is arranged on rotating disk (1), described chuck axis (4)
The other end offers the draw-in groove (41) corresponding with air-expanding shaft (2) end, and described draw-in groove (41) makes along the radial opening of chuck axis (4)
Air-expanding shaft (2) end can loading draw-in groove (41) radially, described chuck (5) is slidably arranged on chuck axis (4), and this card
Dish (5) can slide into and hides the opening of draw-in groove (41) and prevent chuck axis (4) taking-up radially, and chuck (5) slides into screening
During lid draw-in groove (41), between chuck (5) with draw-in groove (41), form the position, hole mated with air-expanding shaft (2) end, described air-expanding shaft (2)
On be equipped with limit chuck (5) sliding position stopping means.
Air-expanding shaft the most according to claim 1 safety chuck mechanism, it is characterised in that: described air-expanding shaft (2) end includes
One cylindrical portion (21), described draw-in groove (41) is an arcuate groove corresponding with cylindrical portion (21), and described chuck (5) is one can be sheathed
Circular ring structure on chuck axis (4), is configured with the compact heap (51) corresponding with cylindrical portion (21) on the inwall of chuck (5),
Chuck (5) can move axially along chuck axis (4).
Air-expanding shaft the most according to claim 2 safety chuck mechanism, it is characterised in that: described stopping means includes a pivot joint
Limit buckle (61) on chuck axis (4) and the back-moving spring (62) of upwards elastic force can be provided for limit buckle (61), described
Limit buckle (61) middle part is provided with a limited step (611), and described limit buckle (61) front end can penetrate the chuck of circular ring structure
(5) inwall also limits chuck (5) by limited step (611) and slides backward, when described limit buckle (61) is pressed under external force, and limit
Position step (611) is less than chuck (5) inwall, and described chuck (5) can slide backward opens draw-in groove (41), and compresses limit buckle
(61) keep down state.
Air-expanding shaft the most according to claim 3 safety chuck mechanism, it is characterised in that: described rotating disk is configured with energy on (1)
The stopper slot (63) snapped in time enough for limit buckle (61) state downwards.
Air-expanding shaft the most according to claim 2 safety chuck mechanism, it is characterised in that: also set on air-expanding shaft (2) end
It is equipped with the shaft coupling portion (22) of a non-circular structure, described draw-in groove (41) is provided with the synchronization screens corresponding with this shaft coupling portion (22),
When making chuck (5) hide draw-in groove (41), shaft coupling portion (22) clip mutual with Tong Bu screens so that air-expanding shaft (2) fills with chuck
Put synchronous axial system.
Air-expanding shaft the most according to claim 5 safety chuck mechanism, it is characterised in that: described shaft coupling portion is that a cross section is in just
The column construction of triangle, is configured with two Fasteners (411) in described draw-in groove (41), formed between two Fasteners (411)
The synchronization screens corresponding with the position, corner of column construction.
Air-expanding shaft the most according to claim 2 safety chuck mechanism, it is characterised in that: described compact heap is provided with on (51)
One safety pin (511), described rotating disk (1) is provided with the pin hole (71) inserted for safety pin (511).
Air-expanding shaft the most according to claim 7 safety chuck mechanism, it is characterised in that: described rotating disk is provided with energy on (1)
Enough it is respectively induced chuck (5) and the induction installation of position limiting structure position, equipment can be controlled by the sense state of induction installation
Running status.
Air-expanding shaft the most according to claim 8 safety chuck mechanism, it is characterised in that: described induction installation includes induction apparatus
One (301), induction apparatus two (302), described induction apparatus one (301) can sense the position of safety pin (511), described induction apparatus two
(302) can sense the spacing state of position limiting structure, chuck (5) is mobile to when opening draw-in groove (41), and safety pin (511) is with chuck
(5) mobile insertion pin hole (71), described induction apparatus one (301) can sense safety pin (511).
Air-expanding shaft the most according to claim 2 safety chuck mechanism, it is characterised in that: described chuck axis (4) side is arranged
Having the chute (42) axially extended of least one set, described chuck is provided with, on (5), the lead being inserted into chute (42)
(52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618804.2U CN205780377U (en) | 2016-06-20 | 2016-06-20 | Air-expanding shaft safety chuck mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618804.2U CN205780377U (en) | 2016-06-20 | 2016-06-20 | Air-expanding shaft safety chuck mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780377U true CN205780377U (en) | 2016-12-07 |
Family
ID=58129838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618804.2U Active CN205780377U (en) | 2016-06-20 | 2016-06-20 | Air-expanding shaft safety chuck mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205780377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937555A (en) * | 2016-06-20 | 2016-09-14 | 中山松德印刷机械有限公司 | Safety chuck mechanism for air shaft |
| CN112151428A (en) * | 2020-09-28 | 2020-12-29 | 北京市塑料研究所 | Silicon wafer bearing device |
-
2016
- 2016-06-20 CN CN201620618804.2U patent/CN205780377U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937555A (en) * | 2016-06-20 | 2016-09-14 | 中山松德印刷机械有限公司 | Safety chuck mechanism for air shaft |
| CN105937555B (en) * | 2016-06-20 | 2018-09-07 | 中山松德印刷机械有限公司 | Air-expanding shaft safety chuck mechanism |
| CN112151428A (en) * | 2020-09-28 | 2020-12-29 | 北京市塑料研究所 | Silicon wafer bearing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |