CN204673338U - A kind of Workpiece clamping device and lathe - Google Patents
A kind of Workpiece clamping device and lathe Download PDFInfo
- Publication number
- CN204673338U CN204673338U CN201520412813.1U CN201520412813U CN204673338U CN 204673338 U CN204673338 U CN 204673338U CN 201520412813 U CN201520412813 U CN 201520412813U CN 204673338 U CN204673338 U CN 204673338U
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- connecting rod
- workpiece
- line shaft
- sleeve
- clamping device
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Abstract
The utility model discloses a kind of Workpiece clamping device, belong to machine tool technology field, it comprises installation casing, casing is installed and is provided with an installation cavity, install casing and be provided with line shaft, line shaft has a centre bore, is slidably fitted with the gripper sleeve for holding workpiece in centre bore, gripper sleeve connects a connecting rod, and connecting rod is slidably mounted in centre bore; Line shaft is slidably fitted with sliding sleeve, sliding sleeve is set on line shaft, line shaft is provided with axially extended penetrating groove, sliding sleeve is provided with a connecting key, connecting key connects connecting rod through penetrating groove, sliding sleeve periphery is rotatablely equipped with and is driven by straight line driving mechanism and to limit the pushing sleeve of sliding sleeve axial freedom, is provided with elastic reset member, the invention also discloses a kind of lathe using this Workpiece clamping device between connecting rod and line shaft.The utility model can either realize the Quick-clamped of workpiece and the gyration of workpiece, can also realize higher repetition clamp precision, be widely used in lathe.
Description
Technical field
The utility model relates to machine tool technology field, particularly relates to a kind of Workpiece clamping device and uses the lathe of this Workpiece clamping device.
Background technology
The Workpiece clamping of current lathe has number of different types, along with the development of Numeric Control Technology, most of workpiece completes to cut and grinds on Digit Control Machine Tool, and the import five axle knife sharpener that even adopts had carries out grinding of workpiece, when using these equipment, artificial or machinery is all needed to carry out the installation of workpiece.By data statistics, the average time that artificial or mechanical clamping workpiece drives workpiece to rotate to actuating unit is about 1.5 minutes, and this is concerning lathe mass production, and efficiency is lower.Especially in grinding machine, the workpiece that the Quick-clamped that should realize workpiece clamps again does gyration, also will realize higher repetition clamp precision, and this is be difficult to realize for the Workpiece clamping device used at present.
Therefore, for a kind of new Workpiece clamping device of exploitation and new lathe, change traditional version, not only there is urgent researching value, also have good economic benefit and commercial Application potentiality, this is the power place that is accomplished of the utility model and basis just.
Utility model content
In order to overcome the defect of above-mentioned pointed existing Workpiece clamping device and lathe, the present inventor, to this has been further investigation, after having paid a large amount of creative work, thus completes the utility model.
Specifically, technical problem to be solved in the utility model is: provide a kind of Workpiece clamping device, can either realize the Quick-clamped of workpiece and the gyration of workpiece, can also realize higher repetition clamp precision.
For solving the problems of the technologies described above, the technical solution of the utility model is: provide a kind of Workpiece clamping device, comprise installation casing, described installation casing is provided with an installation cavity, described installation casing is rotatablely equipped with the line shaft driven by actuating unit, described line shaft has a centre bore, the opening end of described centre bore stretches out described installation casing, the gripper sleeve for holding workpiece is slidably fitted with in described centre bore, described gripper sleeve connects a connecting rod, and described connecting rod is slidably mounted in described centre bore; The described line shaft being positioned at described installation cavity is slidably fitted with sliding sleeve, described sliding sleeve is set on described line shaft, described line shaft is provided with axially extended penetrating groove, described sliding sleeve is provided with a connecting key, described connecting key connects described connecting rod through described penetrating groove, described sliding sleeve periphery is rotatablely equipped with and is driven by straight line driving mechanism and to limit the pushing sleeve of described sliding sleeve axial freedom, is provided with elastic reset member between described connecting rod and line shaft.
In described Workpiece clamping device of the present utility model, as the preferred technical scheme of one, the bare terminal end of described gripper sleeve is provided with some open troughs, and the outer surface of described bare terminal end is provided with clamping inclined-plane.
In described Workpiece clamping device of the present utility model, as the preferred technical scheme of one, described line shaft comprises the axle main body and spindle nose that link together, and described connecting rod is slidably mounted in described axle main body, and described gripper sleeve is slidably mounted in described spindle nose.
In described Workpiece clamping device of the present utility model, as the preferred technical scheme of one, on described connecting rod, one end is provided with limiting section, the other end is provided with the portion of leaning, described elastic reset member clamps in described limiting section and leans between portion, described in the portion of leaning be set on described connecting rod and lean with described spindle nose.
In described Workpiece clamping device of the present utility model, as the preferred technical scheme of one, in described centre bore, be provided with the cushion pad reducing described connecting rod and power transmission shaft and impact.
In described Workpiece clamping device of the present utility model, as the preferred technical scheme of one, described connecting rod is provided with a gas channel, and described gas channel is communicated with described gripper sleeve and installs cavity, and described installation cavity connects malleation gas circuit.
In described Workpiece clamping device of the present utility model, as the preferred technical scheme of one, described gas channel runs through described connecting rod vertically, and the end of described connecting rod is provided with and is communicated with described gas channel and the interface channel installing cavity.
After have employed technique scheme, the beneficial effects of the utility model are:
(1) interlock of pushing sleeve, sliding sleeve, connecting rod and gripper sleeve is achieved, and pushing sleeve can relatively rotate on sliding sleeve, the workpiece of clamping can be made under unresisted environment to do gyration, workpiece gets final product rotational power axle once put in place, shorten the start-up time of line shaft, workpiece is dismantled and is clamped about 10 seconds whole process used time, substantially increases the clamping efficiency of workpiece; Because connecting rod and gripper sleeve are slidably installed in centre bore, make workpiece, gripper sleeve, connecting rod and line shaft achieve good axiality, improve repetition clamp precision.
(2) because connecting rod is provided with the gas channel connecting malleation gas circuit, not only when dismantling workpiece, the iron filings be attached on gripper sleeve or line shaft can be blown off, further increase repetition clamp precision, can also when installing workpiece to workpiece one active force, make workpiece too much can not enter into gripper sleeve because of inertia, serve the effect of accurate positioning, be subject to gas-flow resistance when making workpiece insert gripper sleeve simultaneously, avoid and impact gripper sleeve or connecting rod.
The utility model also solves another technical problem: provide a kind of lathe, can either realize the Quick-clamped of workpiece and the gyration of workpiece, can also realize higher repetition clamp precision, improve the working (machining) efficiency of workpiece.
For solving the problems of the technologies described above, the technical solution of the utility model is: provide a kind of lathe, comprises the Workpiece clamping device described in above technical scheme.
After have employed technique scheme, the beneficial effects of the utility model are: the interlock achieving pushing sleeve, sliding sleeve, connecting rod and gripper sleeve, and pushing sleeve can relatively rotate on sliding sleeve, workpiece gets final product rotational power axle once put in place, shorten the start-up time of line shaft, workpiece is dismantled and is clamped about 10 seconds whole process used time, substantially increases the clamping efficiency of workpiece, and then improves the working (machining) efficiency of workpiece; Because connecting rod and gripper sleeve are slidably installed in centre bore, make workpiece, gripper sleeve, connecting rod and line shaft achieve good axiality, improve repetition clamp precision; Because connecting rod is provided with the gas channel connecting malleation gas circuit, not only when dismantling workpiece, the iron filings be attached on gripper sleeve or line shaft can be blown off, further increase repetition clamp precision, can also when installing workpiece to workpiece one active force, make workpiece too much can not enter into gripper sleeve because of inertia, serve the effect of accurate positioning, be subject to gas-flow resistance when making workpiece insert gripper sleeve simultaneously, avoid and impact gripper sleeve or connecting rod.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the plan structure schematic diagram that the utility model embodiment removes cover plate;
Fig. 3 is the structural representation of A-A in Fig. 2;
Fig. 4 is the structural representation of the connecting rod in the utility model embodiment;
Wherein, in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, each number designation refers to following concrete meaning, element and/or parts respectively.
In figure: 1, casing is installed, 2, cover plate, 3, motor, 4, line shaft, 401, spindle nose, 402, axle main body, 403, penetrating groove, 5, gripper sleeve, 6, sliding sleeve, 601, spacing preiection, 7, pushing sleeve, 8, connecting key, 9, oil cylinder, 10, connecting rod, 11, cushion pad, 12, portion is leaned, 13, disc spring, 14, cavity is installed, 15, gas channel, 16, interface channel, 17, limiting section.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.But the purposes of these exemplary embodiments and object are only used for exemplifying the utility model, not any type of any restriction is formed to real protection scope of the present utility model, more non-protection domain of the present utility model is confined to this.
Embodiment one:
Shown in common as shown in Figure 1 to Figure 4, the utility model provides a kind of Workpiece clamping device, comprise and casing 1 is installed, casing 1 is installed and is provided with an installation cavity 14, install on casing 1 and be rotatablely equipped with the line shaft 4 driven by actuating unit, usually, line shaft 4 is arranged on by bearing to be installed on casing 1, actuating unit is preferably motor 3, the power output shaft of motor 3 is connected with line shaft 4, line shaft 4 has a centre bore, the opening end of centre bore stretches out installs casing 1, the gripper sleeve 5 for holding workpiece is slidably fitted with in centre bore, gripper sleeve 5 is arranged on the opening end of centre bore, gripper sleeve 5 connects a connecting rod 10, realize gripper sleeve 5 to be synchronized with the movement with connecting rod 10, specifically, gripper sleeve 5 and connecting rod 10 can be threaded, also pin can be adopted to connect, also other securing members (such as holding screw) can be adopted to connect, etc., in this citing that differs, connecting rod 10 is slidably mounted in centre bore, be positioned at install cavity 14 line shaft 4 on be slidably fitted with sliding sleeve 6, sliding sleeve 6 is set on line shaft 4, line shaft 4 is provided with axially extended penetrating groove 403, sliding sleeve 6 is provided with a connecting key 8, connecting key 8 connects connecting rod 10 through penetrating groove 403, sliding sleeve 6 periphery is rotatablely equipped with and is driven by straight line driving mechanism and to limit the pushing sleeve 7 of sliding sleeve 6 axial freedom, specifically, both can realize between sliding sleeve 6 and pushing sleeve 7 relatively rotating, relative sliding can be realized again, usually, sliding sleeve 6 is provided with spacing preiection 601, the internal diameter of pushing sleeve 7 is less than the external diameter of spacing preiection 601, when straight line driving mechanism promotion pushing sleeve 7 moves to spacing preiection 601 direction, spacing preiection 601 limits the reach of pushing sleeve 7, therefore pushing sleeve 7 drives sliding sleeve 6 to move together, when pushing sleeve 7 rollback, sliding sleeve 6 is separated with pushing sleeve 7, sliding sleeve 6 is axially no longer by the active force of pushing sleeve 7, straight line driving mechanism is preferably oil cylinder 9 or cylinder, elastic reset member is provided with between connecting rod 10 and line shaft 4, elastic reset member is preferably disc spring 13.
The bare terminal end of gripper sleeve 5 is provided with some open troughs, make the bare terminal end of gripper sleeve 5 can have moderate finite deformation amount in radial direction, be convenient to workpiece and insert gripper sleeve 5, also can meet the clamping of the workpiece of different-diameter, the outer surface of bare terminal end is provided with clamping inclined-plane, by centre bore and clamping the coordinating of inclined-plane, axial force is become radial forces, by Workpiece clamping, those skilled in the art can understand enforcement according to the professional knowledge of oneself, do not repeat them here.
For the ease of installing, line shaft 4 comprises the axle main body 402 and spindle nose 401 that link together, can be connected by securing member between axle main body 402 and spindle nose 401, also can use and be threaded, pin can also be used to connect, concrete annexation is not limited at this, those skilled in the art can choice for use voluntarily, connecting rod 10 is slidably mounted in axle main body 402, gripper sleeve 5 is slidably mounted in spindle nose 401, on connecting rod 10, one end is provided with limiting section 17, limiting section 17 is threaded with being connected usually to use, the other end is provided with the portion of leaning 12, elastic reset member clamps in limiting section 17 and leans between portion 12, lean portion 12 to be set on connecting rod 10 and to lean with spindle nose 401, the active force of disc spring 13 can be applied on spindle nose 401.
Be provided with the cushion pad 11 reducing connecting rod 10 and impact with power transmission shaft in centre bore, reduce impact noise, avoid connecting rod 10 and be subject to blastic deformation.
Connecting rod 10 is provided with a gas channel 15, gas channel 15 is communicated with gripper sleeve 5 and installs cavity 14, cavity 14 is installed and connects malleation gas circuit, casing 1 is installed and generally includes casing and cover plate 2, malleation gas circuit makes to install in cavity 14 and forms malleation, after work pieces process completes, unload workpiece, the iron filings be attached on gripper sleeve 5 or line shaft 4 can blow off by malleation air-flow, when installing workpiece, malleation air-flow, to workpiece one active force, is subject to gas-flow resistance when making workpiece insert gripper sleeve 5, avoids impacting gripper sleeve 5 or connecting rod 10.
Connecting rod 10 is more prone to process gas channel 15, and gas channel 15 runs through connecting rod 10 vertically, and the end of connecting rod 10 is provided with and is communicated with gas channel 15 and the interface channel 16 installing cavity 14, this structure, and processing technology is simple, and processing cost is low.Certainly, gas channel also can run through connecting rod 10, but adopts blind hole, and interface channel is then radially opened on connecting rod 10, is communicated with gas channel, and this structure processes technics comparing complexity, and cost is slightly high, and result of use is identical.
Embodiment two:
The utility model additionally provides a kind of lathe, comprises the Workpiece clamping device introduced in embodiment one, and this Workpiece clamping device can be adapted to grinding machine, also can be adapted to lathe, can also be used in other lathes, in this citing that differs.
The course of work is as follows:
During process finishing dismounting workpiece, oil pump feed, the piston rod of oil cylinder 9 stretches out, promote pushing sleeve 7 to move to spacing preiection 601 direction, when pushing sleeve 7 is pushed to the spacing preiection 601 on sliding sleeve 6, pushing sleeve 7 drives sliding sleeve 6 to move together, connecting key 8 on sliding sleeve 6 drives connecting rod 10 to move, limiting section 17 compresses disc spring 13, the bare terminal end of gripper sleeve 5 is released the centre bore of line shaft 4 by connecting rod 10, clamping ramps loses binding force, bare terminal end opens, workpiece is unloaded, now, the positive pressure gas installed in cavity 14 flows through penetrating groove 403, interface channel 16, gas channel 15, gripper sleeve 5 blows out, the iron filings be attached on gripper sleeve 5 or line shaft 4 can be blown off, repetition clamp precision higher when ensure that again clamping workpiece.
When workpiece is installed, manipulator clamping the bare terminal end that gripper sleeve 5 put into by workpiece, when workpiece inserts gripper sleeve 5, malleation air-flow is to workpiece one active force, gas-flow resistance is subject to when making workpiece insert gripper sleeve 5, avoid impacting gripper sleeve 5 or connecting rod 10, after workpiece puts in place, oil pump fuel cut-off, disc spring 13 resets, connecting rod 10 rollback, drives sliding sleeve 6 and pushing sleeve 7 rollback, and connecting rod 10 drives gripper sleeve 5 to move simultaneously, bare terminal end retraction centre bore, clamping ramps is stressed by Workpiece clamping, and the whole process used time is short, repeats clamp precision high.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the utility model limit protection domain of the present utility model.In addition; also should understand; after having read technology contents of the present utility model, those skilled in the art can make various change, amendment and/or modification to the utility model, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (8)
1. a Workpiece clamping device, comprise installation casing, described installation casing is provided with an installation cavity, it is characterized in that: described installation casing is rotatablely equipped with the line shaft driven by actuating unit, described line shaft has a centre bore, and the opening end of described centre bore stretches out described installation casing, is slidably fitted with the gripper sleeve for holding workpiece in described centre bore, described gripper sleeve connects a connecting rod, and described connecting rod is slidably mounted in described centre bore; The described line shaft being positioned at described installation cavity is slidably fitted with sliding sleeve, described sliding sleeve is set on described line shaft, described line shaft is provided with axially extended penetrating groove, described sliding sleeve is provided with a connecting key, described connecting key connects described connecting rod through described penetrating groove, described sliding sleeve periphery is rotatablely equipped with and is driven by straight line driving mechanism and to limit the pushing sleeve of described sliding sleeve axial freedom, is provided with elastic reset member between described connecting rod and line shaft.
2. Workpiece clamping device as claimed in claim 1, it is characterized in that: the bare terminal end of described gripper sleeve is provided with some open troughs, the outer surface of described bare terminal end is provided with clamping inclined-plane.
3. Workpiece clamping device as claimed in claim 1, is characterized in that: described line shaft comprises the axle main body and spindle nose that link together, and described connecting rod is slidably mounted in described axle main body, and described gripper sleeve is slidably mounted in described spindle nose.
4. Workpiece clamping device as claimed in claim 3, it is characterized in that: on described connecting rod, one end is provided with limiting section, the other end is provided with the portion of leaning, and described elastic reset member clamps in described limiting section and leans between portion, described in the portion of leaning be set on described connecting rod and lean with described spindle nose.
5. Workpiece clamping device as claimed in claim 1, is characterized in that: be provided with the cushion pad reducing described connecting rod and power transmission shaft and impact in described centre bore.
6. Workpiece clamping device as claimed in claim 1, is characterized in that: described connecting rod is provided with a gas channel, and described gas channel is communicated with described gripper sleeve and installs cavity, and described installation cavity connects malleation gas circuit.
7. Workpiece clamping device as claimed in claim 6, is characterized in that: described gas channel runs through described connecting rod vertically, and the end of described connecting rod is provided with and is communicated with described gas channel and the interface channel installing cavity.
8. a lathe, is characterized in that: comprise the Workpiece clamping device as described in any one of claim 1 to 7 claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412813.1U CN204673338U (en) | 2015-06-16 | 2015-06-16 | A kind of Workpiece clamping device and lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412813.1U CN204673338U (en) | 2015-06-16 | 2015-06-16 | A kind of Workpiece clamping device and lathe |
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| Publication Number | Publication Date |
|---|---|
| CN204673338U true CN204673338U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412813.1U Active CN204673338U (en) | 2015-06-16 | 2015-06-16 | A kind of Workpiece clamping device and lathe |
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| Country | Link |
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| CN (1) | CN204673338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238929A (en) * | 2016-08-24 | 2016-12-21 | 济南大学 | A kind of self-centering chuck cutting square tube and cutter sweep |
| CN107932151A (en) * | 2017-12-29 | 2018-04-20 | 重庆市璧山区四通机械厂 | Axle sleeve turning tool |
-
2015
- 2015-06-16 CN CN201520412813.1U patent/CN204673338U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238929A (en) * | 2016-08-24 | 2016-12-21 | 济南大学 | A kind of self-centering chuck cutting square tube and cutter sweep |
| CN106238929B (en) * | 2016-08-24 | 2018-01-02 | 济南大学 | A kind of self-centering chuck and cutter device for cutting square tube |
| CN107932151A (en) * | 2017-12-29 | 2018-04-20 | 重庆市璧山区四通机械厂 | Axle sleeve turning tool |
| CN107932151B (en) * | 2017-12-29 | 2024-03-08 | 重庆四通机械科技有限公司 | Shaft sleeve turning tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |