CN216575724U - Be used for toothholder to mill finish machining anchor clamps of radial groove - Google Patents
Be used for toothholder to mill finish machining anchor clamps of radial groove Download PDFInfo
- Publication number
- CN216575724U CN216575724U CN202220096769.8U CN202220096769U CN216575724U CN 216575724 U CN216575724 U CN 216575724U CN 202220096769 U CN202220096769 U CN 202220096769U CN 216575724 U CN216575724 U CN 216575724U
- Authority
- CN
- China
- Prior art keywords
- pressure cylinder
- positioning
- tooth holder
- radial groove
- support sleeve
- 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.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a be used for toothholder to mill radial slot finish machining anchor clamps, its characterized in that: the clamp comprises a clamp base, a positioning support sleeve, a lever pressure cylinder, an elastic jacket, a pressure shaft, a first pressure cylinder, a counterpoint block and a second pressure cylinder; the positioning support sleeve is internally provided with a step positioning hole which is provided with an upper hole section, a step surface and a lower hole section; the lower end of the elastic jacket is inserted into the positioning supporting sleeve and coaxially fixed, the upper end of the elastic jacket is provided with a deformation section and extends out of the positioning supporting sleeve upwards, and a taper hole is formed in the deformation section; the pressing shaft is arranged in the elastic jacket in a penetrating way, and the upper end of the pressing shaft is provided with an outer cone part; the output end of the first pressure cylinder is connected with the pressure shaft; the upper end of the positioning support sleeve is provided with a positioning groove, and the output end of the second pressure cylinder is connected with a positioning block. The utility model is used for the toothholder mills radial groove and adds the clamping man-hour, can realize self-holding, and the radial groove of workable different positions guarantees the relative position precision in each radial groove simultaneously, can improve production efficiency.
Description
Technical Field
The utility model relates to a be used for toothholder to mill radial groove finish machining anchor clamps.
Background
See fig. 1-2, which is a block (N) having a torus (N-1), internal teeth (N-2), and external teeth (N-4). Three groups of radial grooves (N-3) are uniformly machined on the circumferential direction of the outer teeth (N-4) of the gear seat (N), and each group of radial grooves (N-3) is provided with two radial grooves (N-3) and close to each other, so that the six radial grooves (N-3) are not completely and uniformly distributed. When the tooth holder (N) is used for finely processing the radial grooves (N-3), the requirement of each radial groove (N-3) on meeting the precision requirement needs to be ensured. The existing tool needs to completely disassemble and then clamp the workpiece, so that the working efficiency is low, and the relative position precision among all the radial grooves (N-3) is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect problem or a plurality of defects that exist among the prior art, the utility model provides a be used for the toothholder to mill radial groove finish machining anchor clamps.
In order to achieve the above object, the utility model provides a be used for toothholder to mill radial groove finish machining anchor clamps which characterized in that: the clamp comprises a clamp base, a positioning support sleeve, a lever pressure cylinder, an elastic jacket, a pressure shaft, a first pressure cylinder, a counterpoint block and a second pressure cylinder; the positioning support sleeve is fixedly arranged on the clamp base, a step positioning hole is arranged in the upper end of the positioning support sleeve, the step positioning hole is provided with an upper hole section, a step surface and a lower hole section, the upper hole section is used for inserting and positioning the convex ring of the tooth holder, and the step surface is used for supporting the lower end surface of the convex ring of the tooth holder; the lever pressure cylinder is arranged on the clamp base and is used for pressing the upper end surface of the convex ring of the tooth holder; the lower end of the elastic jacket is inserted into the positioning supporting sleeve and coaxially fixed, the upper end of the elastic jacket is provided with a deformation section and extends out of the positioning supporting sleeve upwards, and a taper hole is formed in the deformation section; the pressing shaft is arranged in the elastic jacket in a penetrating way, and the upper end of the pressing shaft is provided with an outer cone part; the output end of the first pressure cylinder is connected with the lower end of the pressure shaft; the upper end of the positioning support sleeve is provided with a registration groove, and the output end of the second pressure cylinder is connected with the registration block and can drive the registration block to be simultaneously inserted into the registration groove and the radial groove of the tooth holder.
Further, the clamp base is provided with a blowing nozzle which is used for blowing off chips generated when the tooth holder is used for machining the radial groove.
Furthermore, two operation openings are formed in the upper end of the positioning support sleeve.
Preferably, the first pressure cylinder or/and the second pressure cylinder is/are a hydraulic telescopic cylinder.
Preferably, the pressing end of the lever pressing cylinder is provided with a U-shaped pressing block.
The utility model discloses beneficial effect:
first, the utility model discloses can be used for the toothholder to mill radial groove and add the clamping man-hour, and the toothholder can be simultaneously by the concentric and highly accurate location self-holding of axial when the clamping, can realize self-holding, the accessible is loosened rotatory back and is fixed a position once more simultaneously and compress tightly and process the radial groove of different positions, can improve production efficiency
Second, the utility model discloses owing to do not need the work piece to lift off back clamping once more completely, only need loosen the back rotatory next radial trench after the location prevent rotate the back compress tightly once more can, consequently need not change anchor clamps and lathe, also need not milling machine cutter tool setting once more simultaneously, can improve work efficiency, reduce cost promotes the machining precision simultaneously.
Drawings
Fig. 1-2 are schematic views of a tooth holder structure.
Fig. 3 is a front view section of the fixture for fine machining of radial grooves of a gear seat milling machine when positioning and clamping the gear seat.
Fig. 4 is an enlarged view at C in fig. 3.
Fig. 5 is a top view of the utility model discloses a be used for toothholder to mill radial groove finish machining anchor clamps when pressing from both sides the toothholder location tight.
Fig. 6 is a perspective view of the working state of the fixture for fine machining of the radial groove of the tooth holder milling machine when the tooth holder is positioned and clamped.
Fig. 7 is a top view after the positioning and clamping of the fixture for finish machining of radial grooves of a gear seat milling machine when the next adjacent radial groove is machined.
FIGS. 8-10 are schematic views of the structure of the positioning support sleeve
Fig. 11 to 12 are schematic views of the structure of the elastic jacket.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): referring to fig. 3-12, a finish machining fixture for milling a radial groove on a gear seat comprises a fixture base 1, a positioning support sleeve 2, a lever pressure cylinder 3, an elastic jacket 4, a pressure shaft 5, a first pressure cylinder 6, a positioning block 7 and a second pressure cylinder 8.
Referring to fig. 8-10, the positioning support sleeve 2 has a stepped positioning hole 2-1 therein, and the stepped positioning hole 2-1 has an upper hole section 2-11, a stepped surface 2-12 and a lower hole section 2-13.
Referring to fig. 8-10, the positioning support sleeve 2 is fixedly disposed on the fixture base 1. Specifically, the lower end of the positioning support sleeve 2 is fixedly connected with the clamp base 1.
Referring to fig. 8-10, the positioning support sleeve 2 has a stepped positioning hole 2-1 in the upper end thereof. When the fixture is used, the lower side convex part of the convex ring N-1 of the tooth holder N is inserted into the upper hole section 2-11 to be concentrically matched and positioned, and the step surface 2-12 horizontally supports the lower end surface of the convex ring N-1 of the tooth holder N.
The lever pressure cylinder 3 is vertically and fixedly arranged on the clamp base 1 and is used for pressing the upper end surface of a convex ring N-1 of the tooth holder N.
Referring to fig. 6, preferably, the pressing end of the lever pressing cylinder 3 has a U-shaped pressing block 3-1. The U-shaped pressing block 3-1 can simultaneously press two sides of the upper end surface of the convex ring N-1 of the tooth holder N, so that the stress is more stable, firm and reliable after the pressing, and the looseness can be avoided.
Specifically, the lever type hydraulic cylinder may be of the type HLC-FA25, which is sold or manufactured by fujian hydro technology limited.
Wherein, the lower end of the elastic jacket 4 is inserted into the positioning support sleeve 2 and coaxially fixed. Specifically, the lower end of the elastic jacket 4 is fixedly connected with the clamp base 1.
Referring to fig. 11-12, the upper end of the elastic jacket 4 has a deformation section 4-1 and extends upwards out of the positioning support sleeve 2, and a taper hole 4-11 is arranged in the deformation section 4-1; the deformation segment 4-1 serves to radially press the inner teeth N-2 of the tooth holder N.
Referring to fig. 11-12, the deformation segment 4-1 is provided with 4 expansion grooves 4-12 (in other embodiments, other numbers, such as 6, may be used) and divided into 4 circumferentially distributed gripping portions.
Referring to fig. 4-5, the pressing shaft 5 is inserted into the elastic jacket 4, and the upper end of the pressing shaft 5 is provided with an external taper 5-1; the output end of the first pressure cylinder 6 is coaxially and fixedly connected with the lower end of the pressure shaft 5. When the first pressure cylinder 6 drives the pressure shaft 5 to move downwards, the outer conical part 5-1 of the pressure shaft 5 is in conical surface fit with the conical hole 4-11 of the elastic jacket 4 and radially extrudes the deformation section 4-1 of the elastic jacket 4 outwards, and the clamping parts on the deformation section 4-1 radially press the inner teeth N-2 of the tooth holder N to realize concentric pressing.
Referring to fig. 8-10, in addition, the positioning support sleeve 2 is provided with an alignment groove 2-2 at the upper end, the output end of the second pressure cylinder 8 is connected with the alignment block 7 and can drive the alignment block 7 to be simultaneously inserted into the alignment groove 2-2 and the radial groove N-3 of the gear seat N (see fig. 3-6).
Referring to fig. 3-6, in particular, the second pressing cylinder 8 is vertically fixed on the clamp base 1, and an output end of the second pressing cylinder 8 is fixedly connected with one end of the alignment block 7. When the radial groove N-3 of the tooth holder N is indexed to be positioned right above the aligning groove 2-2, the aligning block 7 is driven to move downwards by starting the second pressure cylinder 8, the aligning block 7 can be simultaneously inserted into the aligning groove 2-2 and the radial groove N-3 of the tooth holder N after descending, namely, at the moment, the upper part of the aligning block 7 is inserted into the radial groove N-3 of the tooth holder N, and the lower part of the aligning block 7 is inserted into the aligning groove 2-2. At this time, the radial groove N-3 direction of the tooth holder N is accurately positioned and cannot rotate. And the angle between one radial groove N-3 to be machined on the tooth holder N and the positioned radial groove N-3 is kept accurate, so that the radial groove N-3 to be machined on the tooth holder N can be accurately machined, and the relative direction angle between the machined radial groove N-3 and the positioned radial groove N-3 is accurate (90 degrees in figure 5).
Referring to fig. 6, further, a blowing nozzle 9 is arranged on the fixture base 1, the blowing nozzle 9 is used for blowing off chips generated when the tooth holder N is used for machining a radial groove, and chips at a milled position can be prevented from remaining on the fixture and influencing the re-clamping machining after the tooth holder N rotates. And the blowing nozzle 9 is connected to the blowing system when in use.
Referring to fig. 8-10, further, the upper end of the positioning support sleeve 2 is provided with two operation ports 2-3. When the tooth holder N is used for clamping, a hand can extend into the operation opening 2-3, and particularly, the workpiece can be conveniently lifted and pulled out after being processed (see fig. 4).
Preferably, the first pressure cylinder 6 or/and the second pressure cylinder 8 is/are hydraulic telescopic cylinders.
Referring to fig. 3-6, when the utility model is used, the internal teeth N-2 of the tooth holder N are sleeved on the elastic jacket 4, and the lower side convex part of the convex ring N-1 is inserted into the step positioning hole 2-1 of the positioning support sleeve 2 to be concentrically matched and centrally positioned, the step surface 2-12 horizontally supports the lower end surface of the convex ring N-1 of the tooth holder N, then the tooth holder N is rotated to make a radial groove N-3 to be processed on the tooth holder N be located approximately below the milling machine tool, after fine adjustment, the corresponding radial groove N-3 of the next adjacent group of the tooth holder N is located right above the alignment groove 2-2 of the positioning support sleeve 2 to be pre-positioned, then the second pressure cylinder 8 is started to drive the alignment block 7 to move downwards, and the alignment block 7 is inserted into the alignment groove 2-2 and the radial groove N-3 of the tooth holder N to realize directional positioning and limited rotation at the same time after descending, and realizing accurate direction positioning, wherein a radial groove N-3 to be processed of the tooth holder N is positioned under the milling machine cutter accurately; then the first pressure cylinder 6 is started and drives the pressure shaft 5 to move downwards, the outer conical part 5-1 of the pressure shaft 5 is matched with the conical surface of the conical hole 4-11 of the elastic jacket 4 and extrudes the deformation section 4-1 of the elastic jacket 4 radially outwards, and each clamping part on the deformation section 4-1 radially compresses the inner teeth N-2 of the tooth holder N to realize concentric compression; and then, starting the lever pressure cylinder 3 to work, simultaneously pressing two sides of the upper end surface of the convex ring N-1 of the tooth holder N by the U-shaped pressing block 3-1, then accurately positioning and pressing after the completion, and simultaneously ensuring that one radial groove N-3 to be machined of the tooth holder N is accurately machined by the milling machine.
Referring to fig. 7, after the machining is completed, the machine tool is started to retract the milling cutter upwards to a certain safe height, the lever pressure cylinder 3 and the first pressure cylinder 6 are started to loosen the compression on the workpiece, the second pressure cylinder 8 is started to drive the aligning block 7 to move upwards and to be higher than the tooth holder N, then the tooth holder N is rotated (along the V direction) to enable the next adjacent radial groove N-3 to be opposite to the aligning groove 2-2 for re-pre-positioning, then the second pressure cylinder 8 is started to drive the aligning block 7 to move downwards, and the aligning block 7 is inserted into the aligning groove 2-2 and the radial groove N-3 of the tooth holder N at the same time after descending to realize accurate directional positioning again; then the first pressure cylinder 6 and the lever pressure cylinder 3 are sequentially started to compress again, and then the machine tool is started to feed the next radial groove N-3 downwards to machine the next radial groove N-3, so that the relative angle (25 degrees) between the two radial grooves N-3 in each group can be ensured. Similarly, other groups of radial grooves N-3 can be respectively subjected to finish milling.
Therefore, the utility model can be used for clamping when the tooth holder mills the radial groove, can realize concentric and axial positioning automatic clamping during the tooth holder clamping, can realize automatic clamping, and can process the radial groove of different positions by loosening the radial groove and positioning and pressing again after rotating, thereby improving the production efficiency; in addition, the workpiece is not required to be completely dismounted and then clamped again, and only the workpiece is required to be loosened and rotated to the next radial slot position and then is positioned and prevented from rotating and then is compressed again, so that the clamp and the machine tool do not need to be replaced, and meanwhile, the cutter of the milling machine is not required to be adjusted again, so that the working efficiency is improved, the cost is reduced, and the machining precision is improved.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a be used for toothholder to mill radial groove finish machining anchor clamps which characterized in that: the clamp comprises a clamp base (1), a positioning support sleeve (2), a lever pressure cylinder (3), an elastic clamping sleeve (4), a pressure shaft (5), a first pressure cylinder (6), a counterpoint block (7) and a second pressure cylinder (8);
the positioning support sleeve (2) is fixedly arranged on the clamp base (1), a step positioning hole (2-1) is formed in the upper end of the positioning support sleeve (2), the step positioning hole (2-1) is provided with an upper hole section (2-11), a step surface (2-12) and a lower hole section (2-13), the upper hole section (2-11) is used for inserting and positioning a convex ring (N-1) of the tooth holder (N), and the step surface (2-12) is used for supporting the lower end face of the convex ring (N-1) of the tooth holder (N);
the lever pressure cylinder (3) is arranged on the clamp base (1) and is used for pressing the upper end surface of a convex ring (N-1) of the tooth holder (N);
the lower end of the elastic jacket (4) is inserted into the positioning support sleeve (2) and coaxially fixed, the upper end of the elastic jacket (4) is provided with a deformation section (4-1) and extends out of the positioning support sleeve (2), and a taper hole (4-11) is arranged in the deformation section (4-1);
the pressing shaft (5) is arranged in the elastic jacket (4) in a penetrating way, and the upper end of the pressing shaft (5) is provided with an external cone part (5-1); the output end of the first pressure cylinder (6) is connected with the lower end of the pressure shaft (5);
the upper end of the positioning supporting sleeve (2) is provided with a counterpoint groove (2-2), the output end of the second pressure cylinder (8) is connected with the counterpoint block (7) and can drive the counterpoint block (7) to be simultaneously inserted into the counterpoint groove (2-2) and a radial groove (N-3) of the tooth holder (N).
2. A fixture for finish machining a radial slot on a tooth holder mill as claimed in claim 1, wherein: the clamp base (1) is provided with a blowing nozzle (9), and the blowing nozzle (9) is used for blowing off cutting chips generated when the tooth holder (N) is used for machining a radial groove.
3. A fixture for finish machining a radial slot on a tooth holder mill as claimed in claim 1, wherein: two operation ports (2-3) are arranged at the upper end of the positioning supporting sleeve (2).
4. A fixture for finish machining a radial slot on a tooth holder mill as claimed in claim 1, wherein: the first pressure cylinder (6) or/and the second pressure cylinder (8) adopts a hydraulic telescopic cylinder.
5. A fixture for finish machining a radial slot on a tooth holder mill as claimed in claim 1, wherein: the pressing end of the lever pressing cylinder (3) is provided with a U-shaped pressing block (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220096769.8U CN216575724U (en) | 2022-01-14 | 2022-01-14 | Be used for toothholder to mill finish machining anchor clamps of radial groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220096769.8U CN216575724U (en) | 2022-01-14 | 2022-01-14 | Be used for toothholder to mill finish machining anchor clamps of radial groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216575724U true CN216575724U (en) | 2022-05-24 |
Family
ID=81634175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220096769.8U Active CN216575724U (en) | 2022-01-14 | 2022-01-14 | Be used for toothholder to mill finish machining anchor clamps of radial groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216575724U (en) |
-
2022
- 2022-01-14 CN CN202220096769.8U patent/CN216575724U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112917202B (en) | Automatic aligning and clamping device and method for circular ring type part | |
| CN210649562U (en) | Steam turbine set blade profile machining tool | |
| CN107962423B (en) | Nozzle intersecting curved surface machining positioning tool and curved surface machining method | |
| CN216575724U (en) | Be used for toothholder to mill finish machining anchor clamps of radial groove | |
| CN214559175U (en) | Automatic aligning and clamping device for ring-shaped parts | |
| CN212635195U (en) | Novel worm grinding machine clamp | |
| CN211758563U (en) | Pressure disk centre bore adds clamping apparatus | |
| CN210451949U (en) | Lathe special-shaped part quick replacement frock | |
| CN216541046U (en) | Clamp for milling grooves of double gear workpieces | |
| CN213615331U (en) | Quick positioning device for vertically machining crosshead pin | |
| CN214349693U (en) | Multi-station rotary tool rest | |
| CN214135186U (en) | Numerical control drill horizontal rotation graduation clamping device | |
| CN209793163U (en) | Annular part positioning and clamping jig | |
| CN218800536U (en) | Workpiece clamping device for spiral milling | |
| CN216882087U (en) | Motor casing processing rotation stopping groove device | |
| CN215279949U (en) | Precision machining driving device | |
| CN102107366B (en) | Automatic double-needle dial for processing axial parts | |
| CN212121963U (en) | Gear grinding tool for large gear in large gear assembly of centrifugal machine | |
| CN220407983U (en) | BT series knife handle V-shaped clamping groove machining clamp | |
| CN216828745U (en) | Husky cup inclined hole processingequipment of spinning subassembly | |
| CN215035709U (en) | Eccentric workpiece machining device for lathe | |
| CN115106804B (en) | Milling machine fixture for machining drill collar cover plate and machining method | |
| CN213827029U (en) | Device for clamping small special-shaped part produced by casting | |
| CN218452880U (en) | High-precision positioning rotor honing tool | |
| CN216326510U (en) | Axle type piece is add clamping apparatus in batches |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |