CN211192312U - Saw blade center hole gap eliminating device - Google Patents
Saw blade center hole gap eliminating device Download PDFInfo
- Publication number
- CN211192312U CN211192312U CN201921907295.5U CN201921907295U CN211192312U CN 211192312 U CN211192312 U CN 211192312U CN 201921907295 U CN201921907295 U CN 201921907295U CN 211192312 U CN211192312 U CN 211192312U
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- saw blade
- positioning column
- mounting disc
- sliding block
- notch
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Abstract
The utility model relates to a saw bit centre bore anti-backlash device, including the support and the saw bit mounting disc arranged on the support, the saw bit mounting disc is provided with a positioning column for sleeving the saw bit centre bore, one side of the tail part of the positioning column is provided with a notch formed by extending the outer circle surface of the positioning column towards the inside of the positioning column, the saw bit mounting disc is provided with a strip-shaped through hole arranged towards the bottom end of the notch and communicated with the notch, the anti-backlash device also comprises an anti-backlash mechanism, the anti-backlash mechanism comprises an anti-backlash rod, a sliding block component and a cylinder, the sliding block component is arranged on the support in a sliding way, the cylinder is used for driving the sliding block component, one end of the anti-backlash rod is arranged on the sliding block component, the other end passes through the strip-shaped through hole and extends into the notch of the positioning column, the anti-backlash rod can slide in the strip-, thereby the saw blade is firmly and reliably arranged and positioned, and the processing precision and the use convenience of the saw blade are greatly improved.
Description
Technical Field
The utility model relates to a saw bit centre bore crack device that disappears belongs to alloy saw bit gear grinding processing technology field.
Background
When a tooth blade of a saw blade (i.e., an alloy circular saw blade) is machined by a conventional gear grinding machine, the saw blade is generally directly sleeved on a positioning column of the gear grinding machine through a central hole of the saw blade for mounting and positioning. Because the centre bore of saw bit self probably exists manufacturing error and the wearing and tearing of reference column surface after long-time the use etc. reason, so appear the fit clearance easily between the centre bore of saw bit and the reference column when the actual installation to lead to the installation location of saw bit not firm, very easily produce in the course of working not hard up, and then influence the machining precision of saw bit, the reliability is relatively poor. For this reason, improvements have yet to be made by the relevant practitioner.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, the utility model aims to provide a saw bit centre bore gap eliminating device to ensure the firm nature of saw bit installation location in the gear grinding course of working, improve the machining precision etc. of saw bit by this.
The purpose of the utility model is realized through the following technical scheme:
a clearance eliminating device for a saw blade center hole comprises a support and a saw blade mounting disc arranged on the support, wherein a positioning column for sleeving the saw blade center hole is arranged on the saw blade mounting disc, one side of the tail part of the positioning column is provided with a notch which is formed by extending from the outer circle surface of the positioning column to the inner part of the positioning column in the radial direction, the saw blade mounting disc is provided with a strip through hole which is arranged towards the bottom end of the notch and communicated with the notch, and also comprises a clearance eliminating mechanism, the anti-backlash mechanism comprises an anti-backlash rod, a sliding block component and a cylinder, the sliding block component is slidably arranged on the support, the cylinder is used for driving the sliding block component, one end of the anti-backlash rod is arranged on the sliding block component, the other end of the anti-backlash rod penetrates through the strip-shaped through hole and extends into the notch of the positioning column, the anti-backlash rod can slide in the strip-shaped through hole, and the extending end of the anti-backlash rod can slide out of the notch of the positioning column by sliding.
Furthermore, the support includes the panel and fixes the inboard inner seat of panel, the saw bit mounting disc sets up the inner seat front end, slider component including slidable mounting in the panel with slider seat between the inner seat and fix the slider of slider seat front end, crack elimination pole one end sets up on the slider, the rear end of slider seat with the piston rod of cylinder links to each other, the cylinder is installed on the medial surface of panel.
Furthermore, a sliding groove for the sliding block to slide is formed in the panel.
Furthermore, a groove for the sliding block to slide into is formed in the back of the saw blade mounting disc.
Furthermore, the positioning column is of a hollow column structure, and the front portion of the positioning column is of a taper sleeve structure with a small outer portion and a large inner portion.
Furthermore, the positioning column is fixedly arranged on the outer surface of the saw blade mounting disc, a limiting pin positioned on one side of the strip-shaped through hole is further arranged on the outer surface of the saw blade mounting disc, and the outer circle surface of the limiting pin is abutted against one side surface of the notch of the positioning column.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses owing to be provided with one at the afterbody inboard of reference column and disappear the crack pole, when the saw bit cover of treating processing is put on the reference column and there is the fit clearance between the two, should disappear the crack pole and can outwards shift out and press and hold on the centre bore internal surface of saw bit to eliminate the fit clearance between saw bit centre bore and the reference column, and then make saw bit installation location firm reliable, can not appear becoming flexible in follow-up processing, improved the machining precision of saw bit by this greatly, simple and practical.
Drawings
Fig. 1 is a front perspective view of the saw blade center hole backlash eliminating device of the present invention.
Fig. 2 is a back perspective view of the saw blade center hole gap eliminating device of the present invention.
Fig. 3 is a schematic perspective view of the saw blade center hole backlash eliminating device shown in fig. 1 with the saw blade and the face plate removed.
Fig. 4 is an enlarged schematic view of a in fig. 3.
Fig. 5 is a schematic structural view of the gap eliminating mechanism and the inner seat of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
As shown in fig. 1 to 5, a saw bit centre bore crack device that disappears, including support 1 and the saw bit mounting disc 2 of setting on support 1, be provided with the reference column 21 that supplies 3 centre bores of saw bit cover to put on the saw bit mounting disc 2, afterbody one side of reference column 21 is equipped with one from reference column 21 excircle surface to the inside breach 211 that radially extends the formation of reference column 21, sets up a bar thru hole 22 that sets up and communicate with it to breach 211 bottom on the saw bit mounting disc 2. The anti-backlash mechanism 4 is further included, the anti-backlash mechanism 4 comprises an anti-backlash rod 41, a sliding block assembly 42 and a cylinder 43, the sliding block assembly 42 is slidably mounted on the support 1, the cylinder 43 is used for driving the sliding block assembly 42, one end of the anti-backlash rod 41 is arranged on the sliding block assembly 42, the other end of the anti-backlash rod 41 penetrates through the strip-shaped through hole 22 and extends into the notch 211 of the positioning column 21, the anti-backlash rod 41 can slide in the strip-shaped through hole 22, and the extending end of the anti-backlash rod 41 can slide out of the notch 211 of the positioning column 21 due to.
When the saw blade 3 to be processed is sleeved on the positioning column 21 and a fit clearance exists between the positioning column and the positioning column, the air cylinder 43 drives the sliding block assembly 42 to move outwards (namely, the right side of the device shown in the attached drawing) so as to drive the clearance eliminating rod 41 to move outwards, and at the moment, the extending end of the clearance eliminating rod 41 slides out of the notch 211 of the positioning column 21 and is pressed on the inner surface of the central hole of the saw blade 3, so that the fit clearance between the central hole of the saw blade and the positioning column is eliminated, the installation and positioning of the saw blade are firm and reliable, looseness cannot occur in subsequent processing, the processing precision of the saw blade is greatly improved, and the operation and use of workers are facilitated.
Further, the support 1 comprises a panel 11 and an inner seat 12 fixed on the inner side of the panel 11, the saw blade mounting disc 2 is arranged at the front end of the inner seat 12, the slider assembly 42 comprises a slider seat 421 slidably mounted between the panel 11 and the inner seat 12 and a slider 422 fixed at the front end of the slider seat 421, one end of the anti-backlash rod 41 is arranged on the slider 422, the rear end of the slider seat 421 is connected with a piston rod 431 of the cylinder 43, and the cylinder 43 is mounted on the inner side surface of the panel 11.
Preferably, in order to provide a guide for the sliding of the sliding block 422, the panel 11 is provided with a sliding slot 111 for the sliding block 422 to slide, and the back of the saw blade mounting disk 2 is provided with a groove 23 for the sliding block 422 to slide into.
Preferably, the positioning column 21 is a hollow column structure, and the front part of the positioning column 21 is set to be a taper sleeve structure with a small outside and a large inside, so that the saw blade 3 can be conveniently sleeved in the taper sleeve structure.
Furthermore, the positioning column 21 is fixedly installed on the outer surface of the saw blade installation disc 2, a limit pin 24 located on one side of the strip-shaped through hole 22 is further installed on the outer surface of the saw blade installation disc 2, the outer circle surface of the limit pin 24 is abutted against one side surface 2111 of the notch 211 of the positioning column 21, and therefore it is ensured that the notch 211 of the positioning column 21 can be aligned with the strip-shaped through hole 22 when the positioning column 21 is installed.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (6)
1. The utility model provides a saw bit centre bore gap eliminating device, includes support and the saw bit mounting disc of setting on the support, be provided with the reference column that supplies saw bit centre bore cover to put on the saw bit mounting disc, its characterized in that: one side of the tail of the positioning column is provided with a notch formed by radially extending from the outer circle surface of the positioning column to the inside of the positioning column, a strip-shaped through hole which faces the bottom end of the notch and is communicated with the notch is formed in the saw blade mounting disc, the saw blade mounting disc further comprises a gap eliminating mechanism, the gap eliminating mechanism comprises a gap eliminating rod, a sliding block assembly and an air cylinder, the sliding block assembly is slidably mounted on the support, the air cylinder is used for driving the sliding block assembly, one end of the gap eliminating rod is arranged on the sliding block assembly, the other end of the gap eliminating rod penetrates through the strip-shaped through hole and extends into the notch of the positioning column, the gap eliminating rod can slide in the strip-shaped through hole, and the extending end of the gap eliminating rod can slide out of the.
2. The clearance eliminating device for the central hole of the saw blade as claimed in claim 1, wherein: the support includes the panel and fixes the inboard inner seat of panel, the saw bit mounting disc sets up the inner seat front end, slider component including slidable mounting in the panel with slider seat between the inner seat and fix the slider of slider seat front end, crack elimination pole one end sets up on the slider, the rear end of slider seat with the piston rod of cylinder links to each other, the cylinder is installed on the medial surface of panel.
3. The clearance eliminating device for the central hole of the saw blade as claimed in claim 2, wherein: and the panel is provided with a sliding groove for the sliding of the sliding block.
4. The clearance eliminating device for the central hole of the saw blade as claimed in claim 2, wherein: and a groove for the sliding block to slide into is formed in the back surface of the saw blade mounting disc.
5. The clearance eliminating device for the central hole of the saw blade as claimed in claim 1, 2, 3 or 4, wherein: the positioning column is of a hollow column structure, and the front portion of the positioning column is of a taper sleeve structure with a small outer portion and a large inner portion.
6. The clearance eliminating device for the central hole of the saw blade as claimed in claim 1, 2, 3 or 4, wherein: the positioning column is fixedly arranged on the outer surface of the saw blade mounting disc, a limiting pin positioned on one side of the strip-shaped through hole is further arranged on the outer surface of the saw blade mounting disc, and the outer circle surface of the limiting pin is abutted against one side surface of the notch of the positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921907295.5U CN211192312U (en) | 2019-11-06 | 2019-11-06 | Saw blade center hole gap eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921907295.5U CN211192312U (en) | 2019-11-06 | 2019-11-06 | Saw blade center hole gap eliminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192312U true CN211192312U (en) | 2020-08-07 |
Family
ID=71856728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921907295.5U Active CN211192312U (en) | 2019-11-06 | 2019-11-06 | Saw blade center hole gap eliminating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211192312U (en) |
-
2019
- 2019-11-06 CN CN201921907295.5U patent/CN211192312U/en active Active
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