CN203665103U - Accessory head tensioning mechanism and machining center - Google Patents
Accessory head tensioning mechanism and machining center Download PDFInfo
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- CN203665103U CN203665103U CN201320889165.XU CN201320889165U CN203665103U CN 203665103 U CN203665103 U CN 203665103U CN 201320889165 U CN201320889165 U CN 201320889165U CN 203665103 U CN203665103 U CN 203665103U
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- hydraulic cylinder
- accessory head
- ram
- oilhole
- tensioning mechanism
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Abstract
The utility model discloses an accessory head tensioning mechanism and a machining center, and belongs to the field of machine manufacturing. The accessory head tensioning mechanism comprises an accessory head, a hydraulic pull jaw (1), a hydraulic cylinder (2) and a ram (3), wherein the accessory head is detachably connected with the hydraulic pull jaw (1), the hydraulic pull jaw (1) is connected with the hydraulic cylinder (2), the hydraulic cylinder (2) drives the hydraulic pull jaw (1) to move, the hydraulic cylinder (2) is provided with a first cavity and a second cavity, a cylinder body of the hydraulic cylinder (2) is provided with a first oil hole (4) and a second oil hole (5), the first oil hole (4) and the second oil hole (5) are communicated with the first cavity and the second cavity respectively, the hydraulic cylinder (2) is connected with the ram (3), the ram (3) is provided with at least two internal oil holes, and the first oil hole (4) and the second oil hole (5) in the cylinder body of the hydraulic cylinder (2) are communicated with the internal oil holes of the ram (3) respectively. According to the technical scheme, the hydraulic cylinder is arranged on the ram, the accessory head is provided with a pull cover, the accessory head is pulled through the pull cover due to the fact that hydraulic oil drives the hydraulic cylinder, the whole structure is compact, installation space is saved, cost is low, and disassembly, assembly and maintenance are convenient to achieve.
Description
Technical field
The utility model belongs to plant equipment and manufactures field, relates to a kind of accessory head structure, relates in particular to a kind of vertical gantry machining center accessory head tensioning mechanism.
Background technology
In order to adapt to the high speed development of modern industry and improving constantly of automaticity, need lathe can meet the diversified requirement of machining functions.Lathe is equipped with the different accessory head of function, can allow lathe meet diversified processing request, and multiple machining functions is integrated on single lathe, reduces widely the lay day, improves working (machining) efficiency.
In order to guarantee reliable and stable in process of accessory head, need reasonable in design, compact, reliable, economic accessory head tensioning mechanism.Existing tensioning mechanism structure is more complicated, high cost or affect machine tool capability etc.Structures more of the prior art exist and for example adopt steel column ball fit tensioning mechanism, complex structure; The higher dismounting inconvenience of processing cost; The problems such as requisite space is larger.
Utility model content
In view of this, the utility model is by place hydraulic pressure scuffing of cylinder bore on ram, on accessory head, installs and draws lid, drives hydraulic cylinder by drawing lid tension accessory head by hydraulic oil, compact overall structure, save installing space, with low cost and dismounting is easy to maintenance.
For achieving the above object, concrete technical scheme is as follows:
On the one hand, a kind of accessory head tensioning mechanism is provided, comprise accessory head, hydraulic pressure pulling claw, hydraulic cylinder and ram, described accessory head and the releasable connection of described hydraulic pressure pulling claw, described hydraulic pressure pulling claw is connected with described hydraulic cylinder, described in described Driven by Hydraulic Cylinder, hydraulic pressure pulling claw moves, described hydraulic cylinder is provided with the first chamber and the second chamber, the cylinder body of described hydraulic cylinder is provided with the first oilhole and the second oilhole that communicate with described the first chamber and the second chamber respectively, described hydraulic cylinder is connected with described ram, described ram is provided with at least two inner oilholes, the first oilhole on the cylinder body of described hydraulic cylinder and the second oilhole communicate with the inside oilhole of described ram respectively.
Preferably, described hydraulic cylinder is located in described ram, and the surrounding and the described ram that on the cylinder body of described hydraulic cylinder, are positioned at described the first oilhole and the second oilhole are tightly connected.
Preferably, the surrounding that is positioned at described the first oilhole and the second oilhole on the cylinder body of described hydraulic cylinder is tightly connected by sealing ring and described ram.
Preferably, the cylinder body of described hydraulic cylinder is provided with the first through hole, the first annular distributing groove, the second through hole and the second annular distributing groove, described the first through hole and the first annular distributing groove communicate and coordinate and form described the first oilhole, and described the second through hole and the second annular distributing groove communicate and coordinate and form described the second oilhole.
Preferably, described the first annular distributing groove and the second annular distributing groove communicate with the inside oilhole of described ram respectively.
Preferably, the both sides that are positioned at described the first annular distributing groove and the second annular distributing groove on the cylinder body of described hydraulic cylinder are provided with described sealing ring.
Preferably, described hydraulic cylinder is connected with described ram by screw.
Preferably, releasable connection is covered with drawing in one end of described accessory head, described in draw lid and described hydraulic pressure pulling claw to be connected by inclined-plane.
Preferably, one end of described accessory head and La Gai are threaded connection.
On the other hand, provide a kind of machining center, comprise accessory head tensioning mechanism as above.
With respect to prior art, the advantage of the technical solution of the utility model has:
1, open oilhole in hydraulic cylinder inside and be communicated with respectively two oil pockets, realize the distribution of hydraulic oil by distributing groove, make easy to process, compact overall structure, save installing space;
2, by the oilhole of ram inside, multiple hydraulic cylinders are connected between two, reduce pipeline cabling and control valve group quantity conveniently install, cost-saving, make multiple hydraulic cylinders tensions simultaneously and the synchronism loosened better;
3, in this mechanism, hydraulic cylinder is connected by screw on ram, drives hydraulic pressure pulling claw complete tension and get loose, simple in structure, safe and reliable, with low cost and dismounting is easy to maintenance.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model embodiment.
Wherein, 1 is that hydraulic pressure pulling claw, 2 is that hydraulic cylinder, 3 is that ram, 4 is that the first oilhole, 5 is that the second oilhole, 6 is for drawing lid.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.
Below with reference to accompanying drawing, embodiment of the present utility model is done to concrete explaination.
A kind of accessory head tensioning mechanism and the machining center of embodiment of the present utility model, comprise accessory head, hydraulic pressure pulling claw 1, hydraulic cylinder 2 and ram 3 as shown in Figure 1.Accessory head and 1 releasable connection of hydraulic pressure pulling claw.Hydraulic pressure pulling claw 1 is connected with hydraulic cylinder 2, and hydraulic cylinder 2 drives hydraulic pressure pulling claw 1 to move.
Embodiment of the present utility model is by place hydraulic pressure scuffing of cylinder bore on ram, on accessory head, installs and draws lid, drives hydraulic cylinder by drawing lid tension accessory head by hydraulic oil, compact overall structure, save installing space, with low cost and dismounting is easy to maintenance.And preferably the quantity of hydraulic cylinder 2 is at least 2 two, two hydraulic cylinders 2 are connected by the inside oilhole of ram 3, reduce pipeline cabling and control valve group quantity, facilitated installation, saved cost.Make simultaneously 2 hydraulic cylinders 2 strain and the synchronism loosened better.
As shown in fig. 1, in embodiment of the present utility model, hydraulic cylinder 2 is fixed by screws on the large part of ram 3, and its cylindrical is opened two place's annular distributing grooves, and by the through hole on hydraulic cylinder 2, respectively at two oil pockets, the first chamber and the second chamber are connected.The end of each through hole shuts to prevent that by plug hydraulic oil from revealing, and with two places annulars distributing groove fit shapes the first oilhole 4 and the second oilholes 5.
Between two annular distributing grooves, offer seal groove by sealing ring and sealing.Hydraulic pressure pulling claw 1 is contained on hydraulic pressure scuffing of cylinder bore 2, preferably also comprises drawing and covers 6, be threaded connection on accessory head, and the form to inclined-plane and hydraulic pressure pulling claw 1 is connected by inclined-plane.When tension, hydraulic cylinder 2 cavity of resorption oil-feed as shown in the figure, epicoele off-load, hydraulic pressure pulling claw 1 moves up, and strains and covers 6 accessory heads that are connected with drawing thereby the inclined-plane of its end is compressed draw cover 6 inclined-plane.While loosening, hydraulic cylinder 2 epicoele oil-feeds, cavity of resorption off-load, hydraulic pressure draws, and 1 moves down the accessory head that gets loose.
In embodiment of the present utility model, also comprise a kind of machining center, be provided with accessory head tensioning mechanism described above.Because above-mentioned accessory head tensioning mechanism has above-mentioned technique effect, therefore, the machining center that is provided with this accessory head tensioning mechanism also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
Above specific embodiment of the utility model be have been described in detail, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and alternative also all among category of the present utility model.Therefore,, not departing from the equalization conversion of doing under spirit and scope of the present utility model and revising, all should be encompassed in scope of the present utility model.
Claims (10)
1. an accessory head tensioning mechanism, it is characterized in that, comprise accessory head, hydraulic pressure pulling claw (1), hydraulic cylinder (2) and ram (3), described accessory head and described hydraulic pressure pulling claw (1) releasable connection, described hydraulic pressure pulling claw (1) is connected with described hydraulic cylinder (2), described hydraulic cylinder (2) drives described hydraulic pressure pulling claw (1) mobile, described hydraulic cylinder (2) is provided with the first chamber and the second chamber, the cylinder body of described hydraulic cylinder (2) is provided with the first oilhole (4) and the second oilhole (5) that communicate with described the first chamber and the second chamber respectively, described hydraulic cylinder (2) is connected with described ram (3), described ram (3) is provided with at least two inner oilholes, the first oilhole (4) on the cylinder body of described hydraulic cylinder (2) and the second oilhole (5) communicate with the inside oilhole of described ram (3) respectively.
2. accessory head tensioning mechanism as claimed in claim 1, it is characterized in that, described hydraulic cylinder (2) is sheathed in described ram (3), and the surrounding and the described ram (3) that on the cylinder body of described hydraulic cylinder (2), are positioned at described the first oilhole (4) and the second oilhole (5) are tightly connected.
3. accessory head tensioning mechanism as claimed in claim 2, is characterized in that, the surrounding that is positioned at described the first oilhole (4) and the second oilhole (5) on the cylinder body of described hydraulic cylinder (2) is tightly connected by sealing ring and described ram (3).
4. accessory head tensioning mechanism as claimed in claim 3, it is characterized in that, the cylinder body of described hydraulic cylinder (2) is provided with the first through hole, the first annular distributing groove, the second through hole and the second annular distributing groove, described the first through hole and the first annular distributing groove communicate and coordinate and form described the first oilhole (4), and described the second through hole and the second annular distributing groove communicate and coordinate and form described the second oilhole (5).
5. accessory head tensioning mechanism as claimed in claim 4, is characterized in that, described the first annular distributing groove and the second annular distributing groove communicate with the inside oilhole of described ram (3) respectively.
6. accessory head tensioning mechanism as claimed in claim 5, is characterized in that, the both sides that are positioned at described the first annular distributing groove and the second annular distributing groove on the cylinder body of described hydraulic cylinder (2) are provided with described sealing ring.
7. accessory head tensioning mechanism as claimed in claim 6, is characterized in that, described hydraulic cylinder (2) is connected with described ram (3) by screw.
8. accessory head tensioning mechanism as claimed in claim 7, is characterized in that, one end of described accessory head and La Gai (6) releasable connection, described in draw lid (6) and described hydraulic pressure pulling claw (1) to be connected by inclined-plane.
9. accessory head tensioning mechanism as claimed in claim 8, is characterized in that, one end of described accessory head and La Gai (6) are threaded connection.
10. a machining center, is characterized in that, comprises the accessory head tensioning mechanism as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889165.XU CN203665103U (en) | 2013-12-30 | 2013-12-30 | Accessory head tensioning mechanism and machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889165.XU CN203665103U (en) | 2013-12-30 | 2013-12-30 | Accessory head tensioning mechanism and machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203665103U true CN203665103U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889165.XU Expired - Fee Related CN203665103U (en) | 2013-12-30 | 2013-12-30 | Accessory head tensioning mechanism and machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203665103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520633A (en) * | 2017-07-21 | 2017-12-29 | 宁波海天精工股份有限公司 | A kind of programmable automatic center frame |
-
2013
- 2013-12-30 CN CN201320889165.XU patent/CN203665103U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520633A (en) * | 2017-07-21 | 2017-12-29 | 宁波海天精工股份有限公司 | A kind of programmable automatic center frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150930 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Patentee after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201306 Pudong New Area Port Industrial Park, Shanghai, No. two port road, block A, 318 Patentee before: Seiki Co., Ltd. Shanghai Sany |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |