CN205600356U - Control and revolve lead screw translation type holder - Google Patents

Control and revolve lead screw translation type holder Download PDF

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Publication number
CN205600356U
CN205600356U CN201620411488.1U CN201620411488U CN205600356U CN 205600356 U CN205600356 U CN 205600356U CN 201620411488 U CN201620411488 U CN 201620411488U CN 205600356 U CN205600356 U CN 205600356U
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CN
China
Prior art keywords
screw
motor
nut
handed
lead screw
Prior art date
Application number
CN201620411488.1U
Other languages
Chinese (zh)
Inventor
徐嘉乐
姚素芹
俞浩荣
王政
Original Assignee
常州机电职业技术学院
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 常州机电职业技术学院 filed Critical 常州机电职业技术学院
Priority to CN201620411488.1U priority Critical patent/CN205600356U/en
Application granted granted Critical
Publication of CN205600356U publication Critical patent/CN205600356U/en

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Abstract

The utility model discloses a control and revolve lead screw translation type holder, include: a motor. By electromotor drive's lead screw, the one end of lead screw has left -handed screw and installs the left -handed nut, and the other end has the right -handed thread and installs the right -handed nut, the claw pole, including left claw pole and right claw pole, left claw pole passes through nut seat and levogyration nut fixed joint, and right claw pole passes through nut seat and dextrorotation nut fixed joint. The utility model discloses a lead screw both ends are provided with soon to two opposite screw threads, when the electromotor drive lead screw is rotatory, the left -handed nut at lead screw both ends and right -handed nut each other near or keep away from to drive left claw pole and right claw bar cramp is tightly worked or the work of loosening, the utility model discloses dispose solitary servomotor or step motor, when machining, can make things convenient for ground to press from both sides tightly or loosen different dimensions's work piece through the rotation of programming control motor.

Description

Left-right turning screw rod translating type clamper
Technical field
This utility model relates to a kind of left-right turning screw rod translating type clamper, belongs to clamp art.
Background technology
In cutting process, the size of each finished surface of workpiece to be made, shape and positional precision meet regulation and want Ask, it is necessary to make workpiece occupy a defined location in lathe or fixture.Location just determines that workpiece or presss from both sides on lathe Tool occupies the process of tram.Workpiece location is the most accurate, and can the machining accuracy that determine workpiece reach requirement. Workpiece clamping is that the people ensure that workpiece reduces vibration on the premise of being accurately positioned or loosens, in order to realize processing.
At present, some fixtures can clamp the limited diameter of workpiece, and positioning precision is poor.Fixture in use tooth bar with Gear can produce wear phenomenon, thus produces bigger gap, and now actively pincers are to be pushed directly on by oil cylinder, and driven pincers To be realized moving by the indirect action of tooth bar and gear, once to produce gap, then actively pincers will produce asynchronous with driven pincers Phenomenon.So center can offset, lose clamp precision.
Summary of the invention
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that a kind of left-right turning screw rod is put down Shifting type clamper, to solve the nonsynchronous technical problem of the chela of fixture.
In order to solve above-mentioned technical problem, the technical solution of the utility model is, a kind of left-right turning screw rod translating type clamper, Including:
Motor;
By the screw mandrel of motor-driven, one end of screw mandrel has left hand thread and is provided with left-handed nut, and the other end has the right side Rotation screw thread is also provided with right-handed nut;
Chela bar, including left chela bar and right chela bar, left chela bar is connected by nut seat and left-handed nut are fixing, right Chela bar is connected by nut seat is fixing with right-handed nut.
Further providing for the concrete structure of a kind of screw mandrel, described screw mandrel includes a pair oppositely oriented two screw mandrel, two silks Bar is connected as one by a connecting shaft, and is simultaneously driven by motor.
Further providing for the another kind of structure of screw mandrel, described screw mandrel is the Bidirectional-screw with a pair oppositely oriented screw thread.
Guiding further for the holding action of chela bar, described left-right turning screw rod translating type clamper also includes leading Rail, between described left chela bar and left-handed nut, right chela bar and right-handed nut be respectively connected with guide rod, on described guide rod Having the through hole matched with guide rail, guide rod is enclosed within guide rail by through hole.
Further for improving repetitive positioning accuracy, described screw mandrel is ball screw, and described guide rail is rolling guide.
Further for the rotation conveniently by programming Control motor, described left-right turning screw rod translating type clamper is also Including servomotor or stepping motor for controlling described motor, described motor is in servomotor or stepping Rotate under the control of motor.
After have employed technique scheme, screw mandrel two ends of the present utility model are provided with oppositely oriented two screw thread, work as electricity When motivation drives screw mandrel to rotate, the left-handed nut at screw mandrel two ends and right-handed nut is close to each other or away from, thus drive left pincers Claw bar and right chela bar cramp tightly work or unclamp work;It is dynamic that this utility model can make left chela bar and right chela bar synchronize Make, it is to avoid the problem that the action asynchronous clamp precision caused is low;This utility model is configured with single servomotor Or stepping motor, when machining, can clamp conveniently by the rotation of programming Control motor or unclamp difference The workpiece of dimensions;It addition, when screw mandrel is ball screw, when described guide rail is rolling guide, a left side can be greatly improved Chela bar and the repetitive positioning accuracy of right chela bar, it is possible to be suitable to use in high-precision processing.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model;
In figure, 1, motor, 2, screw mandrel, 3, guide rail, 4-1, left chela bar, 4-2, right chela bar, 5, guide rod.
Detailed description of the invention
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine accompanying drawing, This utility model is described in further detail.
As it is shown in figure 1, a kind of left-right turning screw rod translating type clamper, including:
Motor 1;
The screw mandrel 2 driven by motor 1, one end of screw mandrel 2 has left hand thread and is provided with left-handed nut, the other end There is right-handed thread and right-handed nut is installed;
Chela bar, solid with left-handed nut by nut seat including left chela bar 4-1 and right chela bar 4-2, left chela bar 4-1 Fixed connection, right chela bar 4-2 is connected by nut seat is fixing with right-handed nut, it is provided that translate pinching action accurately.
Preferably, as it is shown in figure 1, screw mandrel 2 includes a pair oppositely oriented two screw mandrel, two screw mandrels are by a connection Axle connects as one, and is simultaneously driven by motor 1.
Alternatively, as it is shown in figure 1, left-right turning screw rod translating type clamper also includes guide rail 3, left chela bar 4-1 is with left Between spin nut, right chela bar 4-2 and right-handed nut be respectively connected with guide rod 5, guide rod 5 has and matches with guide rail 3 Through hole, guide rod 5 is overlapped on guides 3 by through hole;
When left chela bar 4-1 and right chela bar 4-2 moves left and right under the drive of screw mandrel 2, guide rod 5 is along guide rail 3 Direction is moved, it is ensured that the left chela bar 4-1 being connected on guide rod 5 and the translational motion of right chela bar 4-2, and translates Type chela can make workpiece self-centering.
Preferably, in order to improve repetitive positioning accuracy, screw mandrel 2 is ball screw, and guide rail 3 is rolling guide.
Further, left-right turning screw rod translating type clamper also includes the servomotor for controlling described motor 1 or step Entering motor, motor 1 rotates under the control of servomotor or stepping motor.
Embodiment two:
As it is shown in figure 1, a kind of left-right turning screw rod translating type clamper, including:
Motor 1;
The screw mandrel 2 driven by motor 1, one end of screw mandrel 2 has left hand thread and is provided with left-handed nut, the other end There is right-handed thread and right-handed nut is installed;
Chela bar, solid with left-handed nut by nut seat including left chela bar 4-1 and right chela bar 4-2, left chela bar 4-1 Fixed connection, right chela bar 4-2 is connected by nut seat is fixing with right-handed nut.
Preferably, screw mandrel 2 is the Bidirectional-screw with a pair oppositely oriented screw thread.
Further, left-right turning screw rod translating type clamper also includes the servomotor for controlling described motor 1 or step Entering motor, motor 1 rotates under the control of servomotor or stepping motor.
Clamping force F in this clamperNWith the computing formula between driving moment T that leading screw provides is:
F N = T d O t a n β
In formula, dOFor the central diameter (mm) of threads of lead screw, β is the helical angle of screw thread.
Screw mandrel 2 two ends of the present utility model are provided with oppositely oriented two screw thread, when motor 1 drives screw mandrel 2 to rotate Time, the left-handed nut at screw mandrel 2 two ends and right-handed nut is close to each other or away from, thus drive left chela bar 4-1 and right pincers Claw bar 4-2 clamps work or unclamps work;It is dynamic that this utility model can make left chela bar 4-1 and right chela bar 4-2 synchronize Make, it is to avoid the problem that the action asynchronous clamp precision caused is low;This utility model is configured with single servomotor Or stepping motor, when machining, can clamp conveniently by the rotation of programming Control motor 1 or unclamp not Workpiece with dimensions;It addition, when screw mandrel 2 is ball screw, when guide rail 3 is rolling guide, a left side can be greatly improved Chela bar 4-1 and the repetitive positioning accuracy of right chela bar 4-2, it is possible to be suitable to use in high-precision processing.
Particular embodiments described above, solves the technical problem that this utility model, technical scheme and beneficial effect are carried out Further describe, be it should be understood that and the foregoing is only specific embodiment of the utility model, not For limiting this utility model, all within spirit of the present utility model and principle, any amendment of being made, equivalent, Improve, within should be included in protection domain of the present utility model.

Claims (6)

1. a left-right turning screw rod translating type clamper, it is characterised in that including:
Motor (1);
The screw mandrel (2) driven by motor (1), one end of screw mandrel (2) has left hand thread and is provided with left-handed nut, The other end has right-handed thread and is provided with right-handed nut;
Chela bar, including left chela bar (4-1) and right chela bar (4-2), left chela bar (4-1) by nut seat with Left-handed nut is fixing to be connected, and right chela bar (4-2) is connected by nut seat is fixing with right-handed nut.
Left-right turning screw rod translating type clamper the most according to claim 1, it is characterised in that: described screw mandrel (2) Including a pair oppositely oriented two screw mandrel, two screw mandrels are connected as one by a connecting shaft, and by motor (1) Simultaneously drive.
Left-right turning screw rod translating type clamper the most according to claim 1, it is characterised in that: described screw mandrel (2) For having the Bidirectional-screw of a pair oppositely oriented screw thread.
4. according to the left-right turning screw rod translating type clamper described in claim 1 or 2 or 3, it is characterised in that: described Left-right turning screw rod translating type clamper also includes guide rail (3), between described left chela bar (4-1) and left-handed nut, Right chela bar (4-2) and right-handed nut are respectively connected with guide rod (5), described guide rod (5) have and guide rail (3) phase The through hole coordinated, guide rod (5) is enclosed within guide rail (3) by through hole.
Left-right turning screw rod translating type clamper the most according to claim 4, it is characterised in that: described screw mandrel (2) For ball screw, described guide rail (3) is rolling guide.
Left-right turning screw rod translating type clamper the most according to claim 5, it is characterised in that: described left-right rotary Leading screw translating type clamper also includes the servomotor for controlling described motor (1) or stepping motor, described Motor (1) rotates under the control of servomotor or stepping motor.
CN201620411488.1U 2016-05-09 2016-05-09 Control and revolve lead screw translation type holder CN205600356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620411488.1U CN205600356U (en) 2016-05-09 2016-05-09 Control and revolve lead screw translation type holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620411488.1U CN205600356U (en) 2016-05-09 2016-05-09 Control and revolve lead screw translation type holder

Publications (1)

Publication Number Publication Date
CN205600356U true CN205600356U (en) 2016-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106553900A (en) * 2016-10-29 2017-04-05 安徽旭虹机械设备有限公司 A kind of bar extraction clamp device
CN106695433A (en) * 2017-01-21 2017-05-24 袁媛 Clamping adjusting mechanism and cutting unit for automatic cutting machine
CN107095525A (en) * 2017-04-14 2017-08-29 浙江雷霆电子科技有限公司 A kind of electronic product display equipment
CN107378817A (en) * 2017-06-13 2017-11-24 安徽机电职业技术学院 A kind of station packaged type screw rod plierses clamping apparatus
CN107584103A (en) * 2017-09-22 2018-01-16 芜湖火龙动力科技有限公司 A kind of sand container moving device of sand formwork casting line
CN108214658A (en) * 2018-01-05 2018-06-29 海宁奇瑞特光电有限公司 A kind of detent mechanism for being used to manufacture solar water heater water tank
CN108591718A (en) * 2018-04-25 2018-09-28 未石互动科技股份有限公司 A kind of transparent mobile screen
CN108746833A (en) * 2018-06-07 2018-11-06 安徽广美钢业有限公司 A kind of hi-precision cutting device for stainless pipe
CN108747693A (en) * 2018-04-17 2018-11-06 安徽畅宇泵阀制造有限公司 A kind of processing unit (plant) of centrifugal pump
CN109282773A (en) * 2018-11-27 2019-01-29 常州机电职业技术学院 Pipe fitting detecting device and detection system
CN109572933A (en) * 2018-10-18 2019-04-05 武汉船用机械有限责任公司 A kind of de- cable device of heaving pile
CN109806466A (en) * 2019-03-22 2019-05-28 李蕾 A kind of fixed gloves of perfusion tube convenient for wearing
CN110678029A (en) * 2019-10-08 2020-01-10 六安市三鑫电器设备有限公司 Portable electric cabinet

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106553900A (en) * 2016-10-29 2017-04-05 安徽旭虹机械设备有限公司 A kind of bar extraction clamp device
CN106695433A (en) * 2017-01-21 2017-05-24 袁媛 Clamping adjusting mechanism and cutting unit for automatic cutting machine
CN106695433B (en) * 2017-01-21 2019-07-26 青岛瑞宜利特变压器设备有限公司 Material folding adjustment mechanism and cutter unit for automatic gas cutting machine
CN107095525A (en) * 2017-04-14 2017-08-29 浙江雷霆电子科技有限公司 A kind of electronic product display equipment
CN107378817A (en) * 2017-06-13 2017-11-24 安徽机电职业技术学院 A kind of station packaged type screw rod plierses clamping apparatus
CN107584103A (en) * 2017-09-22 2018-01-16 芜湖火龙动力科技有限公司 A kind of sand container moving device of sand formwork casting line
CN107584103B (en) * 2017-09-22 2019-05-03 芜湖火龙动力科技有限公司 A kind of sand container moving device of sand formwork casting line
CN108214658A (en) * 2018-01-05 2018-06-29 海宁奇瑞特光电有限公司 A kind of detent mechanism for being used to manufacture solar water heater water tank
CN108747693A (en) * 2018-04-17 2018-11-06 安徽畅宇泵阀制造有限公司 A kind of processing unit (plant) of centrifugal pump
CN108591718B (en) * 2018-04-25 2019-11-22 未石互动科技股份有限公司 A kind of transparent mobile screen
CN108591718A (en) * 2018-04-25 2018-09-28 未石互动科技股份有限公司 A kind of transparent mobile screen
CN108746833A (en) * 2018-06-07 2018-11-06 安徽广美钢业有限公司 A kind of hi-precision cutting device for stainless pipe
CN108746833B (en) * 2018-06-07 2019-10-11 上海华普钢结构股份有限公司 A kind of hi-precision cutting device for stainless pipe
CN109572933A (en) * 2018-10-18 2019-04-05 武汉船用机械有限责任公司 A kind of de- cable device of heaving pile
CN109282773A (en) * 2018-11-27 2019-01-29 常州机电职业技术学院 Pipe fitting detecting device and detection system
CN109806466A (en) * 2019-03-22 2019-05-28 李蕾 A kind of fixed gloves of perfusion tube convenient for wearing
CN110678029A (en) * 2019-10-08 2020-01-10 六安市三鑫电器设备有限公司 Portable electric cabinet

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