CN215880195U - Special structure axle tooth frock - Google Patents
Special structure axle tooth frock Download PDFInfo
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- CN215880195U CN215880195U CN202121494759.1U CN202121494759U CN215880195U CN 215880195 U CN215880195 U CN 215880195U CN 202121494759 U CN202121494759 U CN 202121494759U CN 215880195 U CN215880195 U CN 215880195U
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Abstract
The utility model belongs to the technical field of clamping tools, and particularly relates to a special-structure shaft tooth tool which comprises a workpiece shaft, a positioning block, a first bolt, a positioning seat, a second bolt, an elastic jacket and an expansion nut, wherein one end of the workpiece shaft is provided with a ring to be processed, the positioning block is fixed below the positioning seat through the first bolt, the positioning seat is fixed on a gear slotting machine workbench through the second bolt, a cylindrical bulge is arranged above the positioning seat, a vertically-penetrating inner hole is formed in the middle of the cylindrical bulge, external threads are arranged on the outer side of the top of the cylindrical bulge, the workpiece shaft sleeve is inserted into the elastic jacket and is installed in the inner hole together, the expansion nut is matched and fixed with the external threads through an internal screw, a cover plate is pressed on the elastic jacket, the workpiece shaft is pressed through a conical surface of the elastic jacket, the defects of the prior art are overcome, and the clamping mode in the traditional technology is solved, the problem of the centre mechanism of tailstock and inefficiency has been increased.
Description
Technical Field
The utility model belongs to the technical field of clamping tools, and particularly relates to a special structure shaft tooth tool.
Background
The existing shaft gear workpiece shaft is clamped by a three-jaw chuck during processing, and then the tail part is propped by a tip mechanism, and the defect that the tail frame tip mechanism needs to be designed and installed, and a common gear shaper does not have a tail frame tip clamping mechanism, so that the production cost is increased; secondly, because the central hole of the workpiece shaft is too small, the center on the tailstock is difficult to align the central hole of the workpiece shaft, the clamping time is long, and the production efficiency is low; and thirdly, as a tailstock center mechanism is added, the difficulty of adjusting the stroke of the cutter shaft is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special-structure shaft tooth tool, overcomes the defects of the prior art, solves the problems of low efficiency due to the addition of a tailstock center mechanism in a clamping mode in the prior art, adopts a novel excircle centering and expanding mode, and has the advantages that: the tool has the advantages of high mounting precision of the workpiece shaft, stability, reliability, good positioning rigidity, simple assembly and disassembly clamping of the workpiece shaft, easy operation, short time and high efficiency, and completely meets the process requirements.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a shaft tooth tool with a special structure comprises a workpiece shaft, a positioning block, a first bolt, a positioning seat, a second bolt, an elastic jacket and a tensioning nut, wherein one end of the workpiece shaft is provided with a ring to be processed, the positioning block is fixed below the positioning seat through the first bolt, the positioning seat is fixed on a workbench of a gear shaper through the second bolt, a cylindrical bulge is arranged above the positioning seat, a vertically penetrating inner hole is arranged in the middle of the cylindrical bulge, external threads are arranged on the outer side of the top of the cylindrical bulge, the elastic jacket is of a cylindrical structure, the upper end of the cylindrical structure is provided with a baffle ring concentric with the cylindrical structure, a small outer circular boss concentric with the baffle ring is arranged above the baffle ring, a conical surface is arranged on the small outer circular boss and provided with four open slots, a vertical round hole concentric with the cylindrical structure is arranged in the middle of the cylindrical structure, the vertical round hole is loosely matched with the middle of the workpiece shaft, the tensioning nut is an internal thread nut, and a cover plate is arranged at the top of the tensioning nut, the middle of the cover plate is provided with a yielding hole matched with the workpiece shaft, the workpiece shaft sleeve is arranged in the elastic jacket and is installed in the inner hole together, the expansion nut is matched and fixed with the external thread through the internal screw, the cover plate is pressed on the elastic jacket, and the workpiece shaft is pressed through the conical surface of the elastic jacket.
Further, still include the anti-rotation pin, cylindric structure side is equipped with rather than the vertically round hole, and the anti-rotation pin passes through the round hole to be fixed outside the cylindric structure and the anti-rotation pin outer end is outstanding outside the cylindric structure, and the hole inboard is equipped with vertical notch, and when the elasticity pressed from both sides the cover and inserts the hole, the anti-rotation pin was located the notch.
Furthermore, a positioning groove matched with the workpiece shaft is arranged above the middle of the positioning block.
Furthermore, a groove is formed in the lower surface of the positioning seat, and the positioning block is located in the groove.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model relates to a shaft tooth tool with a special structure, which replaces the traditional method of clamping an excircle by a three-jaw chuck and ejecting a tail center by centering the roughly ground excircle of a workpiece shaft and expanding by an elastic expansion sleeve; on the premise of ensuring the product quality, the gear shaping machine does not need to be additionally provided with a tail frame mechanism, so that the production efficiency is improved, and the production cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of a special structural shaft tooth tool.
Fig. 2 is an exploded view of a special structure of a shaft tooth tool.
Fig. 3 is a schematic structural view of the workpiece shaft and the elastic jacket.
Fig. 4 is a schematic view of the structure of the workpiece shaft.
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.
Example one
As shown in the figure, the special structure shaft tooth tool comprises a workpiece shaft 7, a positioning block 1, a bolt I2, a positioning seat 3, a bolt II 4, an elastic jacket 5 and an expansion nut 8, wherein one end of the workpiece shaft 7 is provided with a to-be-processed circular ring 71, the positioning block 1 is fixed below the positioning seat 3 through the bolt I2, the positioning seat 3 is fixed on a gear shaper workbench through the bolt II 4, a cylindrical bulge 32 is arranged above the positioning seat 3, the middle of the cylindrical bulge 32 is provided with a vertically-penetrating inner hole 33, the outer side of the top of the cylindrical bulge 32 is provided with an external thread 34, the elastic jacket 5 is a cylindrical structure 51, the upper end of the cylindrical structure 51 is provided with a baffle ring 52 concentric with the cylindrical structure 51, a small cylindrical boss 53 concentric with the baffle ring 52 is arranged above the baffle ring 52, the small cylindrical boss 53 is provided with a conical surface and is provided with four open slots 54, the middle of the cylindrical structure 51 is provided with a vertical circular hole 55 concentric with the cylindrical structure 51, the middle of vertical round hole 55 and work piece axle 7 is loose to be joined in marriage, and the nut that expands is the internal thread nut, and the top is equipped with apron 81, is equipped with in the middle of the apron 81 with work piece axle 7 complex hole 82 of stepping down, work piece axle 7 telescope elastic jacket 5 in, install together in hole 33, the nut that expands is fixed through the cooperation of internal screw and external screw thread 34, apron 81 presses on elastic jacket 5, compresses tightly work piece axle 7 through the conical surface that elastic jacket pressed from both sides.
Example two
Still include the anti-rotating pin 6, cylindric structure 51 side is equipped with rather than the vertically round hole, and the anti-rotating pin 6 is fixed outside cylindric structure 51 and the anti-rotating pin 6 outer end is outstanding outside cylindric structure 51 through the round hole, and the hole 33 inboard is equipped with vertical notch 35, and when the elasticity presss from both sides cover 5 and inserts hole 33, the anti-rotating pin 6 is located notch 35.
EXAMPLE III
A positioning groove 11 matched with the workpiece shaft 7 is arranged above the middle of the positioning block 1. The lower surface of the positioning seat 3 is provided with a groove 31, and the positioning block 1 is positioned in the groove 31.
The working principle is as follows: firstly, fixing a positioning block on a positioning seat through an M6 bolt, then installing the positioning seat on a workbench of a gear shaping machine through an M10 bolt, and correcting an inner hole of the positioning seat after the positioning seat is installed, so that the inner hole meets the requirements of a gear shaping process. Then the workpiece shaft sleeve is inserted into the elastic jacket and is installed in the inner hole of the positioning seat, and finally the workpiece shaft is pressed tightly by the expansion nut through the conical surface of the elastic jacket, so that the gear shaping can be realized. The anti-rotation pin mainly has the effect that the elastic jacket does not rotate when the expansion nut is screwed tightly.
The above description is only an example of the gear shaping tool of the elastic jacket expansion method of the present invention, and does not limit the scope of the gear shaping tool of the elastic jacket expansion method of the present invention. The equivalent structure or equivalent process transformation which is performed by utilizing the tool specification and the attached drawing content of the utility model is directly or indirectly applied to other related technical fields, and is included in the patent protection scope of the gear shaping tool with the elastic jacket expansion mode.
Claims (4)
1. The utility model provides a special construction axle tooth frock, includes work piece axle (7), locating piece (1), bolt (2), positioning seat (3) and bolt two (4), work piece axle (7) wherein one end is equipped with and remains to process ring (71), locating piece (1) is fixed in positioning seat (3) below through bolt (2), its characterized in that is fixed on gear shaping machine workstation through bolt two (4) in positioning seat (3): the positioning seat is characterized by further comprising an elastic clamping sleeve (5) and an expansion nut (8), wherein a cylindrical protrusion (32) is arranged above the positioning seat (3), a vertically-penetrating inner hole (33) is formed in the middle of the cylindrical protrusion (32), external threads (34) are arranged on the outer side of the top of the cylindrical protrusion (32), the elastic clamping sleeve (5) is of a cylindrical structure (51), a baffle ring (52) concentric with the cylindrical structure (51) is arranged at the upper end of the cylindrical structure (51), a small outer circular boss (53) concentric with the baffle ring (52) is arranged above the baffle ring (52), the small outer circular boss (53) is provided with a conical surface and is provided with four open grooves (54), a vertical round hole (55) concentric with the cylindrical structure (51) is formed in the middle of the cylindrical structure (51), the vertical round hole (55) is loosely matched with the middle of the workpiece shaft (7), and the expansion nut is an internal thread nut, and the top is equipped with apron (81), be equipped with in the middle of apron (81) with work piece axle (7) complex hole of stepping down (82), work piece axle (7) telescope elasticity presss from both sides in cover (5), install together in hole (33), the nut that expands is fixed through the cooperation of interior screw and external screw thread (34), apron (81) are pressed on elasticity presss from both sides cover (5), compress tightly work piece axle (7) through the conical surface that elasticity pressed from both sides the cover.
2. The special structure shaft tooth tool according to claim 1, characterized in that: still include anti-rotating pin (6), cylindric structure (51) side is equipped with rather than vertically round hole, anti-rotating pin (6) are fixed outside cylindric structure (51) and anti-rotating pin (6) outer end is outstanding outside cylindric structure (51) through the round hole, hole (33) inboard is equipped with vertical notch (35), when elastic jacket (5) insert hole (33), anti-rotating pin (6) are located notch (35).
3. The special structure shaft tooth tool according to claim 1, characterized in that: and a positioning groove (11) matched with the workpiece shaft (7) is arranged above the middle of the positioning block (1).
4. The special structure shaft tooth tool according to claim 1, characterized in that: the lower surface of the positioning seat (3) is provided with a groove (31), and the positioning block (1) is positioned in the groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121494759.1U CN215880195U (en) | 2021-07-02 | 2021-07-02 | Special structure axle tooth frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121494759.1U CN215880195U (en) | 2021-07-02 | 2021-07-02 | Special structure axle tooth frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215880195U true CN215880195U (en) | 2022-02-22 |
Family
ID=80561660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121494759.1U Active CN215880195U (en) | 2021-07-02 | 2021-07-02 | Special structure axle tooth frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215880195U (en) |
-
2021
- 2021-07-02 CN CN202121494759.1U patent/CN215880195U/en active Active
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