CN201960392U - Attachment head tensioning device - Google Patents
Attachment head tensioning device Download PDFInfo
- Publication number
- CN201960392U CN201960392U CN2011200433781U CN201120043378U CN201960392U CN 201960392 U CN201960392 U CN 201960392U CN 2011200433781 U CN2011200433781 U CN 2011200433781U CN 201120043378 U CN201120043378 U CN 201120043378U CN 201960392 U CN201960392 U CN 201960392U
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- CN
- China
- Prior art keywords
- piston
- connecting plate
- passage
- transition connecting
- groove
- 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
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Abstract
An attachment head tensioning device comprises a ram, a transitional connection plate, a piston, a piston cover and a blind rivet, wherein, a slotted hole is formed at one end of the ram, a connector block is arranged in the slotted hole, a first passage and a second passage are formed in the connector block, the input ends of the first and the second passages are connected with a loosening oil port and a tensioning oil port respectively, the transitional connection plate is connected with the end of the ram, an accommodating groove is formed on one side of the transitional connection plate, a third passage and a fourth passage are formed on the side wall and the bottom wall of the accommodating groove and correspond to the first and the second passages, a loosening oil chamber is further concavely formed at the inner side end of the fourth passage, the piston is arranged in the accommodating groove of the transitional connection plate and adopts an inverted T-shaped structure, the bottom surface of the piston corresponds to the fourth passage and the loosening oil chamber, a groove is formed at the head part of the piston, the piston cover is nested at the outer part of the heat part of the piston, a clearance is reserved between the piston cover and the piston and forms a tensioning oil chamber which corresponds to the third passage, one end of the blind rivet sticks into the groove at the head part of the piston, the side surface of the blind rivet adopts a concave arc-shaped structure, steel balls are uniformly distributed on the concave arc-shaped surface in the circumferential direction, and the steel balls are subject to the action of the inner wall of the groove at the head part of the piston and the concave arc-shaped surface of the blind rivet. The attachment head tensioning device has the advantages of simple structure, small size and convenience in installation.
Description
Technical field
The utility model relates to machine tool, particularly a kind of annex head take-up device.
Background technology
At present, following form is adopted in being installed of digital control plane milling and boring machine annex head mostly: 1, manually-operated, and the annex head is contained on the main shaft end face, with trip bolt it is fixed then, this mounting means poor stability, inefficiency, manually the error that is installed is big, causes machining accuracy low.2, automatic card-loading adopts and grasps form, mostly is folded spring tension or oil cylinder tension, can realize annex head automatic card-loading, but the tension complex structure, assembly process process is poor.
The automatic tensioning mechanism of a kind of heavy type numerical control boring and milling machine annex head is disclosed as Chinese patent CN201020126158, it is characterized in that: one drag hook is arranged in the inside of piston, centre at drag hook has spring, between drag hook and piston, voussoir is arranged, the certain position of suit cover outside the outside of drag hook, grasping has one to grasp in the mouth, grasp and cylinder body between have one to grasp positioning sleeve, there is a protective cover outside of spring, has blind rivet in the inside that grasps.
But above-mentioned annex head tensioning mechanism complex structure, it is big to take up room, and assembly process process is poor.
Summary of the invention
The purpose of this utility model is to design a kind of annex head take-up device, and simple in structure, volume is little, and is easy for installation.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of annex head take-up device, it comprises, ram, a slotted eye is offered in the one end, establishes a joint piece in the slotted eye, offers first, second passage in the joint piece, and the input of first, second passage connects respectively and unclamps hydraulic fluid port and tension hydraulic fluid port; Transition connecting plate is connected in described ram end; Transition connecting plate one side is offered a containing groove, the sidewall of containing groove and diapire offer respectively be in communication with the outside the 3rd, four-way, the 3rd, four-way first, second passage of corresponding described joint piece respectively; Wherein the medial extremity of four-way also is arranged with one and unclamps oil pocket; Piston is arranged in the described transition connecting plate containing groove, and piston is the inverted T-shaped structure, the four-way of the corresponding described transition connecting plate in its bottom surface and unclamp oil pocket; The head that piston protrudes is established groove; Piston cap is sheathed on outside the described piston crown, keeps a gap between piston and the piston cap, forms the tension oil pocket, and is connected, seals with transition connecting plate by piston cap; This tension oil pocket is corresponding to described transition connecting plate third channel; Blind rivet, the one end stretches into the groove of described piston crown, and the blind rivet side is the arcs of recesses structure, and some steel balls that are uniformly distributed along the circumference on cancave cambered surface, steel ball are subjected to described piston crown groove inwall and the effect of blind rivet cancave cambered surface.
Further, also offer the first passage that connects described joint piece and the interface channel of transition connecting plate third channel in the described ram end.
In addition, transition connecting plate described in the utility model to unclamp oil pocket tapered, a port of corresponding described piston bottom surface is big.
Establish seal between described joint piece and the ram slotted eye inwall.
Establish seal between described piston and the described transition connecting plate containing groove.
Establish seal between described piston cap and the described piston crown.
Piston is housed in transition connecting plate, establishes blind rivet in the piston, uniform steel ball around the blind rivet, and, form drawing cylinder with the piston cap sealing; Transition connecting plate is connected with ram, and via the tension on the ram internal connection piece, unclamp hydraulic fluid port, the drawing cylinder fuel feeding in transition connecting plate promotes piston and moves, so that steel ball is outstanding or regain, thereby clamps or unclamps blind rivet.
The utility model has the advantages that:
The utility model has been simplified apparatus structure by using the drawing cylinder tension annex head of band steel ball, and it only is made up of transition connecting plate, piston cap and the inner piston that is evenly equipped with steel ball, has improved the assembly process process of device.Simultaneously, via the drawing cylinder fuel feeding of ram inside on transition connecting plate, make drawing cylinder pipeline cabling simple, convenient, whole take-up device takes up room little.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
The specific embodiment
Referring to Fig. 1, a kind of annex head take-up device of the present utility model, it comprises,
Ram 1, one end are offered a slotted eye 11, establish a joint piece 2 in the slotted eye 11, offer first, second passage 21,22 in the joint piece 2, and the input of first, second passage 21,22 connects respectively and unclamps hydraulic fluid port 3 and tension hydraulic fluid port 4.
Transition connecting plate 5 is connected in described ram 1 end; Transition connecting plate one side is offered a containing groove 51, the sidewall of containing groove 51 and diapire offer respectively be in communication with the outside the 3rd, four-way 52,53, the three, four-way 52,53 first, second passage 21,22 of corresponding described joint piece 2 respectively; Wherein the medial extremity of four-way 53 also is arranged with one and unclamps oil pocket 54.
Piston 6 is arranged in described transition connecting plate 5 containing grooves 51, and piston is the inverted T-shaped structure, the four-way 53 of its bottom surface 61 corresponding described transition connecting plate 5 and unclamp oil pocket 54; The head 62 that piston protrudes is established groove 63.
Piston cap 7 is sheathed on outside the described piston crown 62, keeps a gap between piston 6 and the piston cap 7, forms tension oil pocket 8, and is connected sealing by piston cap 7 with transition connecting plate 5; This tension oil pocket 8 is corresponding to described transition connecting plate 5 third channels 52.
Blind rivet 9, one end stretch into the groove 63 of described piston crown 62, and blind rivet side 91 is the arcs of recesses structure, and some steel balls 10 that are uniformly distributed along the circumference on cancave cambered surface, steel ball 10 are subjected to described piston crown groove 63 inwalls and blind rivet 9 cancave cambered surface effects.
Also offer the first passage 21 of the described joint piece 2 of connection and the interface channel 12 of transition connecting plate 5 third channels 52 in described ram 1 end.
Described transition connecting plate 5 to unclamp oil pocket 54 tapered, a port of corresponding described piston 6 bottom surfaces 61 is big.
Establish seal between described joint piece and the ram slotted eye inwall.Establish seal between described piston and the described transition connecting plate containing groove.Establish seal between described piston cap and the described piston crown.
By transition connecting plate, be installed in piston in the transition connecting plate, be distributed on the steel ball between piston head inwall and the blind rivet and be sleeved on the outer piston cap that is connected with transition connecting plate of piston and form drawing cylinder, transition connecting plate is connected with ram.
To tension oil pocket injection pressure oil, piston is moved to the left by the tension hydraulic fluid port on the joint piece in the ram, makes steel ball outwards outstanding, thus the tension blind rivet.
By unclamping hydraulic fluid port to unclamping oil pocket injection pressure oil on the joint piece in the ram, piston moves right, and steel ball is regained inwards, thereby unclamps blind rivet.
Claims (6)
1. annex head take-up device is characterized in that: comprises,
Ram, a slotted eye is offered in the one end, establishes a joint piece in the slotted eye, offers first, second passage in the joint piece, and the input of first, second passage connects respectively and unclamps hydraulic fluid port and tension hydraulic fluid port;
Transition connecting plate is connected in described ram end; Transition connecting plate one side is offered a containing groove, the sidewall of containing groove and diapire offer respectively be in communication with the outside the 3rd, four-way, the 3rd, four-way first, second passage of corresponding described joint piece respectively; Wherein the medial extremity of four-way also is arranged with one and unclamps oil pocket;
Piston is arranged in the described transition connecting plate containing groove, and piston is the inverted T-shaped structure, the four-way of the corresponding described transition connecting plate in its bottom surface and unclamp oil pocket; The head that piston protrudes is established groove;
Piston cap is sheathed on outside the described piston crown, keeps a gap between piston and the piston cap, forms the tension oil pocket, and is connected, seals with transition connecting plate by piston cap; This tension oil pocket is corresponding to described transition connecting plate third channel;
Blind rivet, the one end stretches into the groove of described piston crown; The blind rivet side is the arcs of recesses structure, and some steel balls that are uniformly distributed along the circumference on cancave cambered surface, steel ball are subjected to described piston crown groove inwall and the effect of blind rivet cancave cambered surface.
2. annex head take-up device as claimed in claim 1 is characterized in that: also offer the first passage of the described joint piece of connection and the interface channel of transition connecting plate third channel in the described ram end.
3. annex head take-up device as claimed in claim 1 is characterized in that: described transition connecting plate to unclamp oil pocket tapered, a port of corresponding described piston bottom surface is big.
4. annex head take-up device as claimed in claim 1 is characterized in that: establish seal between described joint piece and the ram slotted eye inwall.
5. annex head take-up device as claimed in claim 1 is characterized in that: establish seal between described piston and the described transition connecting plate containing groove.
6. annex head take-up device as claimed in claim 1 is characterized in that: establish seal between described piston cap and the described piston crown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200433781U CN201960392U (en) | 2011-02-21 | 2011-02-21 | Attachment head tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200433781U CN201960392U (en) | 2011-02-21 | 2011-02-21 | Attachment head tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201960392U true CN201960392U (en) | 2011-09-07 |
Family
ID=44522919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200433781U Expired - Fee Related CN201960392U (en) | 2011-02-21 | 2011-02-21 | Attachment head tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201960392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501112A (en) * | 2011-11-02 | 2012-06-20 | 山东常林机械集团股份有限公司 | Quick repeated positioning device for machining |
| CN102806485A (en) * | 2012-08-08 | 2012-12-05 | 上海三一精机有限公司 | Accessory head tension device and machine tool |
-
2011
- 2011-02-21 CN CN2011200433781U patent/CN201960392U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501112A (en) * | 2011-11-02 | 2012-06-20 | 山东常林机械集团股份有限公司 | Quick repeated positioning device for machining |
| CN102806485A (en) * | 2012-08-08 | 2012-12-05 | 上海三一精机有限公司 | Accessory head tension device and machine tool |
| CN102806485B (en) * | 2012-08-08 | 2014-10-29 | 上海三一精机有限公司 | accessory head tension device and machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20150221 |
|
| EXPY | Termination of patent right or utility model |