CN109551300A - Dividing head - Google Patents
Dividing head Download PDFInfo
- Publication number
- CN109551300A CN109551300A CN201910057104.9A CN201910057104A CN109551300A CN 109551300 A CN109551300 A CN 109551300A CN 201910057104 A CN201910057104 A CN 201910057104A CN 109551300 A CN109551300 A CN 109551300A
- Authority
- CN
- China
- Prior art keywords
- dividing head
- gear
- main shaft
- equation graduation
- disk
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 8
- 241000237858 Gastropoda Species 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/08—Indexing equipment having means for clamping the relatively movable parts together in the indexed position
- B23Q16/10—Rotary indexing
Abstract
The invention discloses a kind of dividing heads comprising pedestal, ontology, main shaft, equation graduation disk, indexing pointer, wherein ontology is mounted on the base；The outer circle circumference of equation graduation disk is carved with evenly divided line；The equation graduation disk is with the setting main axis that simultaneously driven-mechanism is driven on the body, and the equation graduation disk can be locked by locking mechanism；Indexing pointer is fixed on the body and is directed toward the graduation mark of the equation graduation disk.Dividing head provided by the present invention carries out position and lock to equal part index plate by locking mechanism in the case where driving mechanism and main shaft are disengaged；After locking mechanism unlocks equal part index plate, driving mechanism drives main axis, and locking mechanism carries out position and lock to equal part index plate again, to complete accurate positioning.Compared with prior art, dividing head provided by the present invention can be by common equation graduation quick index, and precision is high, high-efficient.
Description
Technical field
The present invention relates to machine tool accessories, and in particular to a kind of dividing head.
Background technique
Dividing head is common a kind of device in machinery manufacturing industry processing, using calibrated dial ring and vernier, positioning pin and
The workpiece being loaded on top or chuck is divided into any angle by index dial and change gear, can be divided the circumference into any
Equal portions, auxiliary lathe carry out various grooves, spur gear, spiral spur gear, Archimedes's spiral shell using various cutters of different shapes
The processing work of line cam etc..
Existing dividing head, realizing common equation graduation, there are two types of methods, and one is with hand point of plain indexing disk
Degree, one is quick index, the hand slow low efficiency of indexing speed of plain indexing disk, quick index is then inaccurate.
Summary of the invention
A kind of dividing head high-efficient the purpose of the present invention is to provide common equation graduation and that indexing accuracy is high.
To achieve the goals above, the invention provides the following technical scheme:
A kind of dividing head comprising:
Pedestal；
Ontology is mounted on the base；
Main shaft, rotational installation is on the body；
Equation graduation disk, is coaxially connected and can be with the main axis with the main shaft；The equation graduation disk
Outer circle circumference is carved with evenly divided line；
Pointer is indexed, the graduation mark of the equation graduation disk is fixed on the body and be directed toward；
Driving mechanism is arranged on the body, for driving the main axis；
Locking mechanism, setting on the body, are used to lock in the equation graduation disk.
Preferably, the driving mechanism includes:
Worm gear is placed in the ontology and is coaxially connected with the main shaft；
Worm screw, on the body by eccentric bushing support installation；The eccentric bushing can make the worm screw and the worm gear
It is meshed or separates.
Preferably, the worm screw is connected with described external handwheel is placed in.
Preferably, being connected by key between the worm gear and the main shaft.
Preferably, the locking mechanism includes:
Gear, rotational installation is on the body；
Rack gear positioning pin, setting are meshed on the body and with the gear；
It is offered on the equation graduation disk around the equally distributed several halving holes of central axis；
The gear can be such that the rack gear locating taper pin is axially moveable and be inserted into the halving hole.
Preferably, the rack gear locating taper pin is inserted into the end in the halving hole in circular cone head.
Preferably, being provided with locking nut on the pedestal.
Preferably, being fastened between the main shaft and the equation graduation disk by screw.
Dividing head provided by the present invention, in the case where driving mechanism and main shaft disengage, by locking mechanism to equal part point
It spends disk and carries out position and lock；After locking mechanism unlocks equal part index plate, driving mechanism drives main axis, locking mechanism
Position and lock is carried out to equal part index plate again, to complete accurate positioning.Compared with prior art, provided by the present invention
Dividing head can be by common equation graduation quick index, and precision is high, high-efficient.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the cross-sectional view of dividing head provided in an embodiment of the present invention.
Description of symbols:
1, pedestal；2, ontology；3, main shaft；4, equation graduation disk；5, rack gear positioning pin；6, gear；7, worm gear；8, snail
Bar；9, eccentric bushing；10, locking nut；11, pointer is indexed.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or the terminal device that include a series of elements not only include those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or end
The intrinsic element of end equipment.In the absence of more restrictions, being limited by sentence " including ... " or " including ... "
Element, it is not excluded that there is also other elements in process, method, article or the terminal device for including the element.This
Outside, herein, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. understand
Being includes this number.
As shown in Figure 1, a kind of dividing head comprising pedestal 1, ontology 2, ontology 2 are mounted on the pedestal 1.Pedestal 1 and sheet
Body 2 is that existing dividing head commonly uses structural member, and pedestal 1 is played a supporting role, and ontology 2 provides assembly space for other parts.?
In the present embodiment, dividing head further includes main shaft 3, equation graduation disk 4 and indexing pointer 11 other than including pedestal 1, ontology 2.
The outer circle circumference of equation graduation disk 4 is carved with evenly divided line, and the equation graduation disk 4 is with setting in the ontology
The main shaft 3 that simultaneously driven-mechanism is driven on 2 rotates, and the equation graduation disk 4 can be by locking mechanism locking.
Indexing pointer 11 is fixed on the ontology 2 and refers on the graduation mark of the equation graduation disk 4.
Specifically, main shaft 3 is rotatably installed on the ontology 2, hole, the central axis in each hole are offered on the ontology 2
On same straight line.It is cased with bearing on main shaft 3, several holes are offered on ontology 2, multiple bearings, bearing are cased on main shaft 3
It is co-axially mounted with hole.The inner ring of each bearing is locked on main shaft 3, and the outer ring of each bearing is clamped on corresponding hole.
Equation graduation disk 4 and the main shaft 3 are coaxial to be connected and can rotate with the main shaft 3, it is preferable that the main shaft 3
It is fastened with the equation graduation disk 4 by screw.Equation graduation disk 4 is placed in except ontology 2, and the equation graduation disk
4 outer circle circumference is carved with 360 degree of evenly divided lines.
Indexing pointer 11 is bolted on the upper outside of the ontology 2, and the indexing pointer 11 refers to described
On the graduation mark of equation graduation disk 4.
Driving mechanism is arranged on the ontology 2, and the driving mechanism is for driving the main shaft 3 to rotate.Locking machine
Structure is arranged on the ontology 2, and the locking mechanism is for locking the equation graduation disk 4.
A kind of make, the driving mechanism include worm gear 7, worm screw 8 and eccentric bushing 9, wherein worm gear 7 is placed in described
In ontology 2 and with the main shaft 3 is coaxial is connected, it is preferable that be connected by key between the worm gear 7 and the main shaft 3.8 He of worm screw
Eccentric bushing 9 is located at the lower section of the worm gear 7, and worm screw 8 is mounted on the ontology 2 by the support of eccentric bushing 9, rotates the eccentric bushing
9 can make the worm screw 8 be meshed or separate with the worm gear 7.
It drives worm gear 7 to rotate main shaft 3 for the ease of rotary worm 8 and equation graduation disk 4 is driven to rotate, it then, will
The worm screw 8 is connected with the handwheel being placed in outside the ontology 2.It is, installing a handwheel in the end of worm screw 8, rotation should
Handwheel can be such that worm screw 8 rotates.
The locking mechanism includes rack gear positioning pin 5 and gear 6, and the positioning pin 5 and gear 6 are located at the upper of the worm gear 7
Side.Gear 6 is rotatably mounted on the ontology 2 by a rotation axis, and rack gear positioning pin 5 is placed in the hole of ontology 2
In road.The teeth portion of the rack gear positioning pin 5 is meshed with the teeth portion of the gear 6.Ring is offered on the equation graduation disk 4
Around the equally distributed several halving holes of central axis.Rotating the gear 6 can be such that the rack gear locating taper pin 5 is axially moveable simultaneously
It is inserted into the halving hole.
With improvement, the rack gear locating taper pin 5 is inserted into the end in the halving hole in circular cone head, thus both
It is inserted into halving hole convenient for rack gear locating taper pin 5, the further rotation of fine motion equation graduation disk 4 is accurately positioned.
It avoids rack gear locating taper pin 5 simultaneously and wounds, in addition, for the ease of rotate gear 6, in the rotation axis that is connected with the gear 6
Equipped with handwheel, by the handwheel can rotary motion axis, and then rotated with moving gear 6.
It is further improved ground, is provided with locking nut 10 on the pedestal 1, is convenient for consolidating pedestal 1 by locking nut 10
It is scheduled on lathe.
Dividing head in the present embodiment, the used hand indexing of plain indexing disk is fixed in rotation 6 drive rack of gear
After position taper pin 5 is detached from the halving hole of equation graduation disk 4, when rotating eccentricity set 9 engages worm screw 8 and worm gear 7, hand worm screw 8
The indexing that rotation drives worm gear 7 and main shaft 3 to carry out.
Dividing head in the present embodiment, institute refer to that rotating eccentricity set 9 disengages worm screw 8 and worm gear 7 using quick index,
After rotation gear 6 is inserted into the halving hole positioning of equation graduation disk 4 with carry-over bar locating taper pin 5, observation indexing pointer 11 is right
The scale value of quasi- 4 circumference of equation graduation disk, as start index starting point.6 drive rack locating taper pin 5 of gear is rotated to be detached from
After the halving hole of equation graduation disk 4, rotating eccentricity set 9 engages worm screw 8 with worm gear 7, and quickly rotary worm 8 drives master manually
Axis 3 rotates, while observing equation graduation disk 4 and indexing pointer 11, when equation graduation disk 4 turns to desired angle value
Afterwards, it just stops operating.At the same time, on 5 aligned in general equation graduation disk 4 of rack gear locating taper pin halving hole position, then
Rotation gear 6 is inserted into the halving hole of equation graduation disk 4 with carry-over bar locating taper pin 5, to carry out accurate positioning.
Compared with prior art, dividing head provided by the present embodiment can be by common equation graduation quick index, and precision is high, efficiency
It is high.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (8)
1. a kind of dividing head, including pedestal and the ontology being mounted on the base, which is characterized in that further include:
Main shaft, rotational installation is on the body；
Equation graduation disk, is coaxially connected and can be with the main axis with the main shaft；The outer circle of the equation graduation disk
Circumference is carved with evenly divided line；
Pointer is indexed, the graduation mark of the equation graduation disk is fixed on the body and be directed toward；
Driving mechanism is arranged on the body, for driving the main axis；
Locking mechanism, setting on the body, are used to lock in the equation graduation disk.
2. dividing head according to claim 1, which is characterized in that the driving mechanism includes:
Worm gear is placed in the ontology and is coaxially connected with the main shaft；
Worm screw, on the body by eccentric bushing support installation；The worm screw and the worm gear can be made by rotating the eccentric bushing
It is meshed or separates.
3. dividing head according to claim 2, which is characterized in that the worm screw is connected with described external handwheel is placed in
It connects.
4. dividing head according to claim 2, which is characterized in that be connected by key between the worm gear and the main shaft.
5. dividing head according to claim 1, which is characterized in that the locking mechanism includes:
Gear, rotational installation is on the body；
Rack gear positioning pin, setting are meshed on the body and with the gear；
It is offered on the equation graduation disk around the equally distributed several halving holes of central axis；
Rotating the gear can be such that the rack gear locating taper pin is axially moveable and be inserted into the halving hole.
6. dividing head according to claim 5, which is characterized in that the rack gear locating taper pin is inserted into the halving hole
End be in circular cone head.
7. dividing head according to claim 1, which is characterized in that be provided with locking nut on the pedestal.
8. dividing head according to claim 1, which is characterized in that pass through between the main shaft and the equation graduation disk
Screw fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057104.9A CN109551300A (en) | 2019-01-18 | 2019-01-18 | Dividing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057104.9A CN109551300A (en) | 2019-01-18 | 2019-01-18 | Dividing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109551300A true CN109551300A (en) | 2019-04-02 |
Family
ID=65873521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910057104.9A Pending CN109551300A (en) | 2019-01-18 | 2019-01-18 | Dividing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109551300A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308741A (en) * | 1971-03-03 | 1973-03-07 | Index Werke Kg Hahn & Tessky | Apparatus for tool selection on a machine tool |
| CN201073696Y (en) * | 2007-09-27 | 2008-06-18 | 呼和浩特众环(集团)有限责任公司 | Index chuck |
| CN201979349U (en) * | 2011-03-24 | 2011-09-21 | 平顶山市东方惠普工贸有限公司 | Waterproof dividing head and main spindle thereof |
| CN207616251U (en) * | 2017-12-26 | 2018-07-17 | 温岭市以利亚精密机械有限公司 | A kind of NC dividing head |
| CN209614998U (en) * | 2019-01-18 | 2019-11-12 | 山东泰格尔数控机床附件有限公司 | Dividing head |
-
2019
- 2019-01-18 CN CN201910057104.9A patent/CN109551300A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308741A (en) * | 1971-03-03 | 1973-03-07 | Index Werke Kg Hahn & Tessky | Apparatus for tool selection on a machine tool |
| CN201073696Y (en) * | 2007-09-27 | 2008-06-18 | 呼和浩特众环(集团)有限责任公司 | Index chuck |
| CN201979349U (en) * | 2011-03-24 | 2011-09-21 | 平顶山市东方惠普工贸有限公司 | Waterproof dividing head and main spindle thereof |
| CN207616251U (en) * | 2017-12-26 | 2018-07-17 | 温岭市以利亚精密机械有限公司 | A kind of NC dividing head |
| CN209614998U (en) * | 2019-01-18 | 2019-11-12 | 山东泰格尔数控机床附件有限公司 | Dividing head |
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