CN215658235U - Gear shaping machine cutter shaft disassembly body - Google Patents
Gear shaping machine cutter shaft disassembly body Download PDFInfo
- Publication number
- CN215658235U CN215658235U CN202121286515.4U CN202121286515U CN215658235U CN 215658235 U CN215658235 U CN 215658235U CN 202121286515 U CN202121286515 U CN 202121286515U CN 215658235 U CN215658235 U CN 215658235U
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- thread sleeve
- sleeve
- cutter
- external thread
- internal thread
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- 238000010862 gear shaping Methods 0.000 title claims description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000000670 limiting effect Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 241000446313 Lamella Species 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a cutter shaft dismounting mechanism of a gear shaper, which comprises an internal thread sleeve and an external thread sleeve, wherein the internal thread sleeve and the external thread sleeve are coaxially matched and installed through threads, a locking mechanism for limiting the relative motion of the external thread sleeve and a cutter bar to be dismounted is arranged between the external thread sleeve and the cutter bar to be dismounted, an extension rod for driving the internal thread sleeve to rotate or a rod penetrating hole for installing the extension rod are arranged outside the internal thread sleeve, an arc-shaped end surface is arranged on one side of the internal thread sleeve, which is close to the installation end of the cutter bar to be dismounted, and the cutter shaft dismounting mechanism of the gear shaper generates uniform axial tension through the interaction of the threads between the internal thread sleeve and the external thread sleeve, so that a cutter shaft is dismounted.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to a cutter shaft dismounting mechanism of a gear shaper.
Background
The change of multiple cutter can be involved in the machine-tooled process to milling cutter, gear shaping sword are taken as the example, and the installation part of its arbor adopts the conical surface structural design, and when dismantling, the workman often can adopt the spanner to strike down, damages the handle of a knife surface easily, destroys arbor taper shank precision, still wastes time and energy, is difficult for dismantling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the existing defects and provides a cutter shaft dismounting mechanism of a gear shaper, which generates uniform axial tension through the interaction of threads between an inner thread sleeve and an outer thread sleeve, so that a cutter shaft is dismounted, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gear shaping machine cutter arbor disassembly body, includes internal thread cover and external screw thread cover, the internal thread cover passes through screw thread coaxial fit installation with the external screw thread cover, the external screw thread cover with wait to dismantle and be provided with the locking mechanism that the two takes place relative motion of restriction between the cutter arbor, the internal thread cover outside is provided with its pivoted extension rod of drive or supplies the pole hole of wearing of extension rod installation, one side that the internal thread cover is close to waiting to dismantle the cutter arbor installation end is provided with the arc terminal surface.
As a preferred technical scheme of the utility model, the external thread sleeve is of a two-lobe structure, and positioning teeth capable of being inserted into cutter teeth gaps of a cutter to be disassembled are arranged inside the external thread sleeve;
when dismantling the disc cutter, its tool bit portion diameter is greater than the arbor, adopt two lamella formula structural design's external thread cover, dress card is carried out to the arbor from both sides, and the location tooth sets up the bottom at the external thread cover, the location tooth inserts the sword tooth clearance, avoid the external thread cover to rotate along with internal thread cover and arbor together, and when the internal thread cover rotates relatively, the two discovers axial relative displacement, at this in-process, the terminal surface of the tip conflict blade disc of internal thread cover, drive arbor and the separation of sword cover.
As a preferred technical scheme of the utility model, a jacket is arranged inside the external thread sleeve, the jacket is a thin-walled sleeve with an opening seam at one end, the contact surface of the jacket and the external thread sleeve is a conical surface, and an elastic part is arranged between the jacket and the external thread sleeve along the axis;
when the finger-shaped cutter is detached, the design of a jacket with an opening seam is adopted, and the conical design of the contact surface is utilized, so that the jacket can be locked when the finger-shaped cutter and the finger-shaped cutter move relatively, and the fixation between the external thread jacket and the cutter shaft is realized;
through the form of increasing the elastic component, guarantee that external screw thread cover motion initial stage does not take place relative motion with pressing from both sides the cover to under the effect of conical surface, realize pressing from both sides the inside locking arbor that overlaps.
As a preferred technical scheme of the utility model, the locking mechanism comprises a fixed disc, a sliding rod is fixedly arranged on the surface of the fixed disc, the axis of the sliding rod is axially parallel to the cutter bar to be disassembled, and a sliding groove for the sliding rod to slide is arranged in the external thread sleeve;
the external thread sleeve can only move along the axis and cannot rotate relative to the cutter shaft under the limiting action of the internal slide rod of the fixed disc.
As a preferred technical scheme of the utility model, the end part of the internal thread sleeve is installed with the end surface of the fixed disk in a sliding contact manner, and a lever for limiting the rotation of the fixed disk is fixedly arranged on the side edge of the fixed disk;
the fixed disc is added, so that the end part of the internal thread sleeve does not directly generate sliding friction with the cutter sleeve, and the damage to the end face of the cutter sleeve is avoided.
Compared with the prior art, the utility model has the beneficial effects that: this gear shaping machine knife axle disassembly body adopts two sets of thread bush of mutually supporting, through the interact of screw thread, converts rotary motion into linear motion, and with external screw thread bush and arbor relatively fixed, through the relative axial motion of inside and outside thread bush, extracts the arbor from the knife cover, and whole process application of force is even, can not cause the damage to arbor or knife cover surface, can not influence the equipment precision, and easy operation, promotes work efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention.
In the figure: 1 internal thread sleeve, 101 rod penetrating holes, 2 external thread sleeves, 201 positioning teeth, 3 fixed disks, 301 sliding rods, 4 clamping sleeves and 5 elastic pieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a gear shaping machine cutter arbor disassembly body, includes internal thread cover 1 and external screw thread cover 2, and internal thread cover 1 passes through the installation of screw thread coaxial arrangement with external screw thread cover 2, and external screw thread cover 2 with wait to dismantle and be provided with the locking mechanism that the restriction the two takes place relative motion between the cutter arbor, and 1 outside of internal thread cover is provided with its pivoted extension rod of drive or supplies the pole hole 101 that wears of extension rod installation, and one side that internal thread cover 1 is close to and waits to dismantle the cutter arbor installation end is provided with the arc terminal surface.
The external thread sleeve 2 is of a two-lobe structure, and positioning teeth 201 capable of being inserted into cutter teeth gaps of a cutter to be disassembled are arranged inside the external thread sleeve 2;
when dismantling the disc cutter, its tool bit part diameter is greater than the arbor, adopt two lamella formula structural design's external thread cover 2, dress card is carried out to the arbor from both sides, and location tooth 201 sets up the bottom at external thread cover 2, location tooth 201 inserts the sword tooth clearance, avoid external thread cover 2 to rotate along with internal thread cover 1 and arbor together, and when internal and external thread cover rotated relatively, the two discovers axial relative displacement, at this in-process, the terminal surface of the tip conflict blade disc of internal thread cover 1, drive arbor and the separation of sword cover.
A jacket 4 is arranged inside the external thread sleeve 2, the jacket 4 is a thin-walled sleeve with an opening seam at one end, the contact surface of the jacket 4 and the external thread sleeve 2 is a conical surface, and an elastic part 5 is arranged between the jacket 4 and the external thread sleeve 2 along the axis;
when the finger-shaped cutter is disassembled, the design of the jacket 4 with an opening seam is adopted, and the conical design of the contact surface is utilized, so that the jacket 4 can be locked when the two move relatively, and the fixation between the external thread sleeve 2 and the cutter shaft is realized;
through the form of increasing elastic component 5, guarantee that external screw thread cover 2 motion initial stage does not take place relative motion with pressing from both sides cover 4 to under the effect of conical surface, realize pressing from both sides the inside locking arbor of cover 4.
The locking mechanism comprises a fixed disc 3, a sliding rod 301 is fixedly arranged on the surface of the fixed disc 3, the axis of the sliding rod 301 is axially parallel to the cutter bar to be disassembled, and a sliding groove for the sliding rod 301 to slide is formed in the external thread sleeve 2;
through the limiting action of the inner slide rod 301 of the fixed disc 3, the external thread sleeve 2 can only move along the axis and cannot rotate relative to the cutter shaft.
The end part of the internal thread sleeve 1 is installed in sliding contact with the end surface of the fixed disc 3, and a lever for limiting the rotation of the fixed disc 3 is fixedly arranged on the side edge of the fixed disc 3;
the fixed disc 3 is added, so that the end part of the internal thread sleeve 1 does not directly generate sliding friction with the cutter sleeve, and the damage to the end face of the cutter sleeve is avoided.
When in use:
for a disc-shaped cutter, firstly buckling two-petal type external thread sleeves 2 from two sides, then assembling the internal thread sleeve 1 from the lower end, rotating the internal thread sleeve 1 until one end of the internal thread sleeve abuts against the end face of the cutter sleeve, and continuing to rotate, so that the internal thread sleeve 2 and the external thread sleeve generate axial movement to drive a cutter shaft to be separated from the cutter sleeve;
for the finger-shaped cutter, the jacket 4 is assembled from the bottom, then the fixed disc 3 is used for limiting the rotation of the external thread sleeve 2, in the assembling process, the jacket 4 is blocked when feeding, the elastic piece 5 is in a compression deformation state, the internal thread sleeve 1 is rotated at the moment, the internal thread sleeve and the external thread sleeve are enabled to generate relative axial movement until one end of the internal thread sleeve and the external thread sleeve is abutted against the end face of the cutter sleeve, the rotation is continued, the internal thread sleeve and the external thread sleeve generate axial movement, in the process, the elastic piece 5 is gradually restored, the external thread sleeve 2 and the jacket 4 generate axial relative movement, and the jacket 4 clamps the cutter shaft, so that the cutter shaft is driven to be separated from the cutter sleeve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a gear shaping machine knife axle disassembly body, includes internal thread cover (1) and external screw thread cover (2), its characterized in that: the tool bar mounting structure is characterized in that the inner thread sleeve (1) and the outer thread sleeve (2) are installed in a thread coaxial matching mode, a locking mechanism for limiting the relative motion between the inner thread sleeve (2) and a tool bar to be dismounted is arranged between the outer thread sleeve (2) and the tool bar to be dismounted, a rod penetrating hole (101) for driving an extension rod to rotate or supplying the extension rod to be mounted is formed in the outer portion of the inner thread sleeve (1), and an arc-shaped end face is arranged on one side, close to the tool bar mounting end to be dismounted, of the inner thread sleeve (1).
2. The gear shaper cutter shaft disassembly mechanism of claim 1, wherein: the external thread sleeve (2) is of a two-segment structure, and positioning teeth (201) capable of being inserted into a cutter tooth gap of the cutter to be disassembled are arranged inside the external thread sleeve (2).
3. The gear shaper cutter shaft disassembly mechanism of claim 1, wherein: the novel clamping sleeve is characterized in that a clamping sleeve (4) is arranged inside the external thread sleeve (2), the clamping sleeve (4) is a thin-walled sleeve with an opening seam at one end, the contact surface of the clamping sleeve (4) and the external thread sleeve (2) is a conical surface, and an elastic piece (5) is arranged between the clamping sleeve (4) and the external thread sleeve (2) along the axis.
4. The gear shaper cutter arbor release mechanism of claim 3, wherein: locking mechanism includes fixed disk (3), fixed disk (3) fixed surface is provided with slide bar (301), slide bar (301) axis with wait to dismantle cutter arbor axial direction parallel, be provided with in external screw thread cover (2) and supply slide bar (301) gliding spout.
5. The gear shaper cutter shaft disassembly mechanism of claim 4, wherein: the end part of the internal thread sleeve (1) is installed in sliding contact with the end surface of the fixed disc (3), and a lever for limiting the rotation of the fixed disc (3) is fixedly arranged on the side edge of the fixed disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121286515.4U CN215658235U (en) | 2021-06-09 | 2021-06-09 | Gear shaping machine cutter shaft disassembly body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121286515.4U CN215658235U (en) | 2021-06-09 | 2021-06-09 | Gear shaping machine cutter shaft disassembly body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215658235U true CN215658235U (en) | 2022-01-28 |
Family
ID=79974823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121286515.4U Active CN215658235U (en) | 2021-06-09 | 2021-06-09 | Gear shaping machine cutter shaft disassembly body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215658235U (en) |
-
2021
- 2021-06-09 CN CN202121286515.4U patent/CN215658235U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dismantling mechanism for the cutter shaft of a gear hobbing machine Granted publication date: 20220128 Pledgee: Bank of China Limited Anyang Branch Pledgor: Anyang Huawei Gear Co.,Ltd. Registration number: Y2024980021387 |