CN209632580U - A kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool - Google Patents
A kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool Download PDFInfo
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- CN209632580U CN209632580U CN201920075143.7U CN201920075143U CN209632580U CN 209632580 U CN209632580 U CN 209632580U CN 201920075143 U CN201920075143 U CN 201920075143U CN 209632580 U CN209632580 U CN 209632580U
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Abstract
The utility model discloses a kind of hydraulic automatic core fixing fixtures of numerically-controlled machine tool, including pedestal, flange, axle sleeve, hydraulic cylinder and sleeve, protection cylinder is fixedly connected at the top of pedestal, the inside of protection cylinder is fixedly installed with hydraulic cylinder, sleeve is fixedly connected at the top of protection cylinder, the inner ring of sleeve is arranged with elastic expansion body, elastic expansion body is connected close to one end of hydraulic cylinder and the end thereof contacts of pressure rings, the other end of pressure rings is fixedly connected by pressure plate with the output end of hydraulic cylinder, the inner ring of elastic expansion body is arranged with mandrel, one end of mandrel is connected together with the one end for determining core print seat, the top of sleeve is fixedly connected by flange with one end of axle sleeve, a kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool of the utility model, pass through hydraulic-driven, pressure is applied to elastic expansion body by pressure plate, make elastic expansion body lateral expansion, automatically mandrel is determined Position, internal expansion type determine core, and structure is simple, can guarantee working axiality and fixed workpiece requirement.
Description
Technical field
The utility model relates to automatic core fixing fixture, in particular to a kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool belongs to
Digit ctrol machine tool field.
Background technique
The processing of numerically-controlled machine tool, needs accurately to position workpiece, and workpiece is fixed on scheduled position, then into
Row processing, a position after processing is completed, needs the position of rotational workpieces, processes to next position, workpiece every time into
Row movement adjusts Working position and requires the phenomenon that re-starting positioning to workpiece, being easy to appear dislocation, influences the product of product
Matter, rejection rate improves, and the distance usually to misplace is very small, can not visually observe, needs the tool of profession can
Detection, causes testing cost height.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic automatic core fixing fixtures of numerically-controlled machine tool, to solve above-mentioned background skill
The adjusting Working position proposed in art requires the phenomenon that re-starting positioning to workpiece, being easy to appear dislocation, influences product
Quality, rejection rate improve, the high problem of testing cost.
To achieve the above object, the utility model provides the following technical solutions: a kind of hydraulic automatic core fixing folder of numerically-controlled machine tool
Have, including pedestal, flange, axle sleeve, hydraulic cylinder and sleeve, is fixedly connected with protection cylinder, the protection cylinder at the top of the pedestal
Inside be fixedly installed with hydraulic cylinder, be fixedly connected with sleeve at the top of the protection cylinder, the inner ring of the sleeve is arranged with bullet
Property swollen body, the elastic expansion body connects close to one end of hydraulic cylinder and the end thereof contacts of pressure rings, the other end of the pressure rings
It being fixedly connected by pressure plate with the output end of hydraulic cylinder, the inner ring of the elastic expansion body is arranged with mandrel, and the one of the mandrel
End is connected together with the one end for determining core print seat, and the top of the sleeve is fixedly connected by flange with one end of axle sleeve, the mandrel
The other end communicated with the outside world across axle sleeve, the hydraulic cylinder and outside connected switch are electrically connected.
As a kind of optimal technical scheme of the utility model, the flange is solid by the top of several pins and sleeve
Fixed connection, the top of the flange is fixedly connected with one end of axle sleeve.
As a kind of optimal technical scheme of the utility model, the other end of the axle sleeve is fixedly connected with restraining position ring block.
As a kind of optimal technical scheme of the utility model, the surface of the sleeve is arranged with protective case, the protection
One end of set is connect with flange contact, and the junction of protective case and flange is arranged with sealing ring, the other end of the protective case
It is fixedly connected at the top of protection cylinder.
As a kind of optimal technical scheme of the utility model, the other end for determining core print seat passes through spring and pressure plate
One end is fixedly connected.
Compared with prior art, the utility model has the beneficial effects that a kind of numerically-controlled machine tool of the utility model is hydraulic automatic
Centering clamp applies pressure to elastic expansion body by pressure plate, makes elastic expansion body lateral expansion by hydraulic-driven, automatic right
Mandrel is positioned, and internal expansion type determines core, and structure is simple, can guarantee working axiality and fixed workpiece requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model.
In figure: 1, pedestal；2, cylinder is protected；3, protective case；4, flange；5, axle sleeve；6, mandrel；7, stop collar；8, hydraulic cylinder；
9, sleeve；10, elastic expansion body；11, sealing ring；12, pressure plate；13, determine core print seat；14, spring；15, pressure rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool, including pedestal 1, method referring to FIG. 1-2,
Orchid 4, axle sleeve 5, hydraulic cylinder 8 and sleeve 9, the top of pedestal 1 are fixedly connected with protection cylinder 2, and the inside of protection cylinder 2 is fixedly installed with
The top of hydraulic cylinder 8, protection cylinder 2 is fixedly connected with sleeve 9, and the inner ring of sleeve 9 is arranged with elastic expansion body 10, and elastic expansion body 10 leans on
One end of nearly hydraulic cylinder 8 is connect with the end thereof contacts of pressure rings 15, and the other end of pressure rings 15 passes through pressure plate 12 and hydraulic cylinder 8
Output end be fixedly connected, the inner ring of elastic expansion body 10 is arranged with mandrel 6, and one end of mandrel 6 engages with the one end for determining core print seat 13
Connection, the top of sleeve 9 are fixedly connected by flange 4 with one end of axle sleeve 5, and the other end of mandrel 6 passes through axle sleeve 5 and extraneous phase
Logical, hydraulic cylinder 8 and outside connected switch are electrically connected.
Preferably, flange 4 is fixedly connected by several pins with the top of sleeve 9, top and the axle sleeve 5 of flange 4
One end is fixedly connected, and axle sleeve 5 is connect by flange 4 with 9 cabinet of sleeve, and connection is fixed by several pins.
Preferably, the other end of axle sleeve 5 is fixedly connected with restraining position ring block 7, and axle sleeve 5 limits the position of mandrel 6 by stop collar 7
It sets.
Preferably, the surface of sleeve 9 is arranged with protective case 3, and one end of protective case 3 and flange 4 connect, and protective case
3 are arranged with sealing ring 11 with the junction of flange 4, and the other end of protective case 3 is fixedly connected with the top of cylinder 2 is protected, protective case 3
Sleeve 9 is protected, sealing ring 11 is for seal protection cover 3 and 4 junction of flange.
Preferably, the other end for determining core print seat 13 is fixedly connected by spring 14 with one end of pressure plate 12, and pressure plate 12 is logical
It is overpressurized ring 15 to pressurize to elastic expansion body 10, makes 10 lateral expansion of elastic expansion body, mandrel 6 is positioned, pressure plate 12 is mobile
When compressed spring 14, the position for determining core print seat 13 remains unchanged.
When specifically used, a kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool of the utility model, one end of mandrel 6 is from axle sleeve 5
Sleeve 9 is protruded into, is connected together, is fixed with the one end for determining core print seat 13, hydraulic cylinder 8 drives pressure rings 15 to move by pressure plate 12
It is dynamic, pressure is applied to elastic expansion body 10, makes 10 lateral expansion of elastic expansion body, mandrel 6 is positioned, pressure plate 12 is pressed when mobile
Contracting spring 14, the position for determining core print seat 13 remain unchanged, and realize automatic core fixing.
In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this
The limitation of type.
In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear
Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art
In concrete meaning.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool, including pedestal (1), flange (4), axle sleeve (5), hydraulic cylinder (8) and set
Cylinder (9), which is characterized in that protection cylinder (2) is fixedly connected at the top of the pedestal (1), the inside of protection cylinder (2) is fixed
It is equipped with hydraulic cylinder (8), is fixedly connected with sleeve (9) at the top of the protection cylinder (2), the inner ring of the sleeve (9) is arranged with
Elastic expansion body (10), the elastic expansion body (10) connect close to the one end of hydraulic cylinder (8) with the end thereof contacts of pressure rings (15), institute
The other end for stating pressure rings (15) is fixedly connected by pressure plate (12) with the output end of hydraulic cylinder (8), the elastic expansion body
(10) inner ring is arranged with mandrel (6), and one end of the mandrel (6) is connected together with the one end for determining core print seat (13), the sleeve
(9) top is fixedly connected by flange (4) with one end of axle sleeve (5), the other end of the mandrel (6) pass through axle sleeve (5) with
The external world communicates, and the hydraulic cylinder (8) and outside connected switch are electrically connected.
2. the hydraulic automatic core fixing fixture of a kind of numerically-controlled machine tool according to claim 1, it is characterised in that: the flange (4)
By being fixedly connected at the top of several pins and sleeve (9), the fixed company in the top of the flange (4) and the one end of axle sleeve (5)
It connects.
3. the hydraulic automatic core fixing fixture of a kind of numerically-controlled machine tool according to claim 1, it is characterised in that: the axle sleeve (5)
The other end be fixedly connected with restraining position ring block (7).
4. the hydraulic automatic core fixing fixture of a kind of numerically-controlled machine tool according to claim 1, it is characterised in that: the sleeve (9)
Surface be arranged with protective case (3), one end of the protective case (3) and flange (4) connect, and protective case (3) and flange
(4) junction is arranged with sealing ring (11), is fixedly connected at the top of the other end of the protective case (3) and protection cylinder (2).
5. the hydraulic automatic core fixing fixture of a kind of numerically-controlled machine tool according to claim 1, it is characterised in that: described to determine core print seat
(13) the other end is fixedly connected by spring (14) with one end of pressure plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075143.7U CN209632580U (en) | 2019-01-17 | 2019-01-17 | A kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075143.7U CN209632580U (en) | 2019-01-17 | 2019-01-17 | A kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN209632580U true CN209632580U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920075143.7U Active CN209632580U (en) | 2019-01-17 | 2019-01-17 | A kind of hydraulic automatic core fixing fixture of numerically-controlled machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209632580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744332A (en) * | 2019-11-20 | 2020-02-04 | 马鞍山市欧林机械设备有限公司 | Hydraulic self-centering expansion shaft |
-
2019
- 2019-01-17 CN CN201920075143.7U patent/CN209632580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744332A (en) * | 2019-11-20 | 2020-02-04 | 马鞍山市欧林机械设备有限公司 | Hydraulic self-centering expansion shaft |
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