CN208854296U - A kind of chamfer drill grinder - Google Patents
A kind of chamfer drill grinder Download PDFInfo
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- CN208854296U CN208854296U CN201821624911.1U CN201821624911U CN208854296U CN 208854296 U CN208854296 U CN 208854296U CN 201821624911 U CN201821624911 U CN 201821624911U CN 208854296 U CN208854296 U CN 208854296U
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- cooling fin
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- grinding wheel
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- 238000001816 cooling Methods 0.000 claims abstract description 49
- 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 description 12
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides a kind of chamfer drill grinder, belongs to field of mechanical technique.This chamfer drill grinder includes casing, the motor being installed in casing, the housing being installed in outside casing front end and the grinding wheel in housing, electric machine main shaft front end stretches out casing and is connected with grinding wheel, housing is equipped with opening one, it is open at one and is fixed with grinding base one, grinding base one is equipped with the fixture mounting hole one with grinding wheel outer rim face, it reclines on grinding wheel front end face and is fixed with cyclic annular cooling fin, run through on front side of housing and be equipped with multiple heat release holes one, part heat release hole one and cooling fin face；There are multiple circumferentially spaced uniformly distributed and radiating parts in a strip shape on cooling fin, radiating part length is radially extended along cooling fin, radiating part is between heat release hole one and cooling fin, and each radiating part is formed by cooling fin edge forward fold, and cooling fin forms jagged in every place's crooked place.This chamfer drill grinder has the advantages that grinding quality is high.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of grinder, especially a kind of chamfer drill grinder.
Background technique
In part processing, the processing of drilling and the processing of screw thread are the most universal.The premise of screw thread process is first to carry out
The drilling of bottom outlet is processed.Many cutters are after damage with regard to discarding or being ground at present.Worker's technical level is wanted in hand lapping
Ask higher, the quality of simultaneous grinding is also unstable.
For above-mentioned problem, it has been realized that deficiency, and improved, as disclosed in chinese patent library one
[application number: 201010161134.3] including fuselage to kind multifunctional cutter grinder, and fuselage is equipped at least one for grinding
First grinding hole of end mill(ing) cutter is used to grind the second grinding hole of screw tap at least one, first
Be equipped at grinding hole and the second grinding hole inner end with the joining grinding wheel of driving mechanism, if being additionally provided on fuselage
Dry can be loaded on the folder of above-mentioned first grinding hole and the second grinding hole respectively for fixed cutting tool and when cutter is fixed thereon
Tight mechanism；First grinding hole is arranged on grinding base, which is arranged in the shifting that can drive its longitudinal shift and transverse shift
On motivation structure, and the grinding base can be swung relative to mobile mechanism；The mobile mechanism includes cross slide and longitudinal direction
Planker, the grinding base are arranged on longitudinal planker, and the laterally driven machine that cross slide can be driven mobile is equipped on fuselage
Structure, the transversal driving mechanism include a lateral adjustments handle, and the cross slide, which is equipped with, can drive longitudinal planker to move
Dynamic longitudinal driving mechanism, the longitudinal driving mechanism include a vertical adjustment handle；Grinding base is hinged on slide unit, grinding base
It can swing up and down, which is fixed on longitudinal planker.
Above-mentioned grinder has a problem that: in actual products, abrasion site can all be covered with housing to prevent scrap
Disorderly fly, and the presence of housing will affect the heat dissipation of grinding wheel and abrasion site, make long-term aggregated high temperature at grinding, influence to grind
Quality.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of chamfer drill grinder,
The technical issues of solution is how to improve grinding quality.
The purpose of this utility model can be realized by the following technical scheme: chamfer drill grinder, including casing, be installed in
Motor in casing, the housing being installed in outside casing front end and the grinding wheel in housing, the front-end of spindle of the motor
It stretches out casing and is connected with grinding wheel, the housing is equipped with the opening one with grinding wheel outer rim face, is fixed with and grinds at opening one
Seat one is ground, and grinding base one is equipped with the fixture mounting hole one with grinding wheel outer rim face, which is characterized in that before the grinding wheel
It reclines on end face and is fixed with cooling fin annular in shape, and conllinear, the described housing of central axis of both cooling fin and grinding wheel
Front side run through and be equipped with multiple heat release holes one, and part heat release hole one and cooling fin face；Have on the cooling fin multiple
Circumferentially spaced uniformly distributed and radiating part in a strip shape, length the radially extending along cooling fin of radiating part, and radiating part is located at
Between heat release hole one and cooling fin, each radiating part is formed by cooling fin edge forward fold, and cooling fin is every
Place's crooked place forms jagged.
The course of work is as follows: completion being mounted in fixture mounting hole the fixture that the clamping after knife process has drill bit, opens
Dynamic motor one makes the grinding of grinding wheel rotation completion drill bit.
Cooling fin mutually reclines with grinding wheel, makes the heat generated when grinding aggregation on a heat sink, and fast by heat release hole one
Heat is discharged speed, so that the larger heat of aggregation in housing is effectively avoided, to reduce influence of the temperature to grinding, to improve grinding
Quality.
Cooling fin forward fold forms radiating part, and in crooked place shaped notch, the scrap that grinding generates in this way will
It keeps off lower by the radiating part of high-speed rotation and is gathered in indentation, there, can both be attached to cooling fin front end face obstruction to avoid iron filings in this way
Cooling fin radiates, and can hinder heat dissipation to heat dissipation hole site to avoid scrap iron from splashing, to ensure that entire radiation processes are stable, efficient
It carries out, stablizes the purpose for improving grinding quality and realize.
In above-mentioned chamfer drill grinder, connecting cylinder, institute are arranged and are fixed with outside the front end of the main shaft of the motor
The front end for the cooling fin stated is equipped with positioning ring, and positioning ring and connecting cylinder are removably fixed with by bolt, and the front end face of cooling fin
With the rear end face of the grinding wheel front end face tight abutment with the rear end face of positioning ring and connecting cylinder respectively.
In above-mentioned chamfer drill grinder, integrally formed with ring screw portion on the front end face of the connecting cylinder, and
Above-mentioned grinding wheel is set in outside ring screw portion, and the bar portion of the bolt sequentially passes through positioning ring and cooling fin and is screwed onto ring
In shape threaded portion, and the front end face tight abutment on the head of bolt and positioning ring.
In above-mentioned chamfer drill grinder, the opening one is set on the left side wall of housing, and the right side wall of housing
Above run through and offers multiple heat release holes two.Under the effect of heat release hole two, the radiating rate and effect of casing interior can further improve
Rate.
In above-mentioned chamfer drill grinder, the grinding base one includes the pedestal being connected with casing, is run through on pedestal
Equipped with the through-hole with grinding wheel outer rim face, positioning tube is inserted in through-hole, positioning tube is rotatablely connected by bearing and pedestal, and above-mentioned
Positioning tube inner hole be above-mentioned fixture mounting hole one.
In above-mentioned chamfer drill grinder, the top of the housing, which is run through, is equipped with opening two, and horizontal at opening two
Equipped with L-shaped grinding base two, support ring is cased with outside the connecting cylinder, support ring is in immediately below grinding base two and and casing
It is connected, the fixture mounting hole two being equipped with grinding wheel outer rim face, and grinding base two are run through in one end of grinding base two along the vertical direction
The other end be hinged with support ring grinding base two enable to swing up and down relative to support ring, the other end of the grinding base two
Along the vertical direction through limit hole is offered, screw rod is equipped in limit hole vertically, the lower end of screw rod and support ring are connected, and spiral shell
The upper end diameter of bar is greater than the aperture of limit hole, is cased with spring, the roof of the grinding base two outside the lower end of the screw rod
Upper end with bottom wall respectively with the upper end of screw rod and spring offsets, and the lower end of spring offsets with support ring, the grinding base
Locating part of the grinding base two to lower swing can be limited by being further fixed on two.Under locating part and screw rod cooperation, to grinding base
Two carry out effective position；Spring is used to buffer the vibration generated when grinding, so that the influence vibrated to grinding is effectively reduced, to mention
Cutting edge grinding precision before height, to further increase grinding quality.
In above-mentioned chamfer drill grinder, the top of the support ring is equipped with location hole along the vertical direction, described
The lower end of spring and screw rod all extends to positioning hole, and the lower end of spring and the hole wall of location hole offset.
In above-mentioned chamfer drill grinder, the locating part is screw, and the roof of the end of screw and support ring
It offsets.
Alternatively, in above-mentioned chamfer drill grinder, the locating part is limited post, and limited post
The roof of lower end and support ring offsets.
Compared with prior art, this chamfer drill grinder has the advantage that
1, cooling fin mutually reclines with grinding wheel, makes the heat generated when grinding aggregation on a heat sink, and pass through heat release hole one
Quickly heat is discharged, to effectively avoid the larger heat of aggregation in housing, to reduce influence of the temperature to grinding, Lai Tigao is ground
Grind quality.
2, cooling fin forward fold forms radiating part, and in crooked place shaped notch, grinds the scrap generated so just
It can be kept off by the radiating part of high-speed rotation lower and be gathered in indentation, there, can both be attached to the resistance of cooling fin front end face to avoid iron filings in this way
Hinder cooling fin to radiate, and heat dissipation can be hindered to heat dissipation hole site to avoid scrap iron from splashing, to ensure that entire radiation processes are stable, high
Effect carries out, and stablizes the purpose for improving grinding quality and realizes.
3, spring is equipped between grinding base two and support ring, for buffering the vibration generated when grinding, to effectively reduce
The influence to grinding is vibrated, to improve preceding cutting edge grinding precision, to further increase grinding quality.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this chamfer drill grinder.
Fig. 2 is that this chamfer drill grinder removes the schematic perspective view after housing.
Fig. 3 is the schematic cross-sectional view of this chamfer drill grinder.
Fig. 4 is the attachment structure schematic diagram of screw rod and spring.
In figure, 1, housing；1a, opening one；1b, heat release hole one；1c, heat release hole two；1d, opening two；2, motor；3, machine
Shell；4, grinding wheel；5, tool setting mechanism；6, grinding base one；6a, fixture mounting hole one；6b, pedestal；6c, positioning tube；6d, bearing；7,
Cooling fin；7a, radiating part；7b, notch；8, connecting cylinder；8a, ring screw portion；9, positioning ring；10, bolt；11, grinding base two；
11a, fixture mounting hole two；12, support ring；13, spring；14, screw rod；15, locating part.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 3, this chamfer drill grinder includes casing 3, motor 2, housing 1 and grinding wheel 4.Wherein, motor 2
It is fixed on inside casing 3, housing 1 is arranged in 3 front end outer side of casing, and casing 3 and housing 1 are fixedly connected with.Grinding wheel 4 is located at housing 1
It is interior, and the front-end of spindle of motor 2 stretches out casing 3 and is connected with grinding wheel 4.Tool setting mechanism 5 is equipped on the outside of the rear end of casing 3, to knife
Mechanism 5 be existing structure, with specific reference to a kind of multifunctional cutter grinder disclosed in chinese patent library [application number:
201010161134.3】。
Specifically, as depicted in figs. 1 and 2, the left side wall of housing 1 is equipped with one 1a of opening with 4 outer rim face of grinding wheel,
It is open at a 1a and is fixed with grinding base 1, and grinding base 1 is equipped with one 6a of fixture mounting hole with 4 outer rim face of grinding wheel.Cover
Run through on the right side wall of shell 1 and offer multiple two 1c of heat release hole, and preferably two 1c of heat release hole is in a strip shape.It further illustrates, grinding
Seat 1 includes the pedestal 6b being connected with casing 3, is inserted in the through-hole being equipped with 4 outer rim face of grinding wheel, through-hole on pedestal 6b
Positioning tube 6c, positioning tube 6c are rotatablely connected by bearing 6d and pedestal 6b, and the inner hole of above-mentioned positioning tube 6c is above-mentioned folder
Has one 6a of mounting hole.
It reclines on the front end face of grinding wheel 4 and is fixed with cooling fin 7 annular in shape, and the center of 4 the two of cooling fin 7 and grinding wheel
Axis collinear.The front side of housing 1, which is run through, is equipped with multiple one 1b of heat release hole, and one 1b of part heat release hole and 7 face of cooling fin.Heat dissipation
With multiple circumferentially spaced uniformly distributed and radiating part 7a in a strip shape, radiating part 7a length along the radial direction of cooling fin 7 on piece 7
Extend, and radiating part 7a is located between one 1b of heat release hole and cooling fin 7.Each radiating part 7a is from 7 edge of cooling fin to antecurvature
Foldable type, and cooling fin 7 forms jagged 7b in every place's crooked place.
Wherein, the connection type of 7 three of grinding wheel 4, motor 2 and cooling fin is as follows: being arranged simultaneously outside the front end of the main shaft of motor 2
It is fixed with connecting cylinder 8, the front end of cooling fin 7 is equipped with the positioning ring 9 with 7 face of cooling fin, and positioning ring 9 and connecting cylinder 8 pass through spiral shell
Bolt 10 is removably fixed with, and the rear end face of the front end face of cooling fin 7 and grinding wheel 4 respectively with the rear end face of positioning ring 9 and connecting cylinder 8
Front end face tight abutment.It further illustrates, integrally formed with ring screw portion 8a on the front end face of connecting cylinder 8, and 4 sets of grinding wheel
It is located at outside ring screw portion 8a, the bar portion of bolt 10 sequentially passes through positioning ring 9 and cooling fin 7 and is screwed onto ring screw portion 8a
It is interior, and the front end face tight abutment on the head of bolt 10 and positioning ring 9.
As shown in Figure 1, Figure 2 and Figure 4, the top of housing 1 run through be equipped with opening two 1d, and be open two 1d at level be equipped be in
L-shaped grinding base 2 11.Support ring 12 is cased with outside connecting cylinder 8, support ring 12 is in immediately below grinding base 2 11 and consolidates with casing 3
Even.Two 11a of fixture mounting hole being equipped with 4 outer rim face of grinding wheel is run through in one end of grinding base 2 11 along the vertical direction, and grinds
The other end of seat 2 11 is hinged with support ring 12 and grinding base 2 11 is enable to swing up and down relative to support ring 12.In the present embodiment
In, preferably grinding base 11 is hinged by a screw with support ring 12.The other end of grinding base 2 11 runs through along the vertical direction
Limit hole is offered, is equipped with screw rod 14 in limit hole vertically, the lower end of screw rod 14 and support ring 12 are connected, and screw rod 14 is upper
Diameter is held to be greater than the aperture of limit hole.Be cased with spring 13 outside the lower end of screw rod 14, the roof and bottom wall of grinding base 2 11 respectively with
The upper end of screw rod 14 and the upper end of spring 13 offset, and the lower end of spring 13 offsets with support ring 12.It is also solid on grinding base 2 11
Surely locating part 15 of the grinding base 2 11 to lower swing can be limited by having.In the case where locating part 15 and screw rod 14 cooperate, to grinding base
2 11 carry out effective position.It is preferred that there are two locating parts 15 and being distributed in 14 two sides of screw rod.
It further illustrates, the top of support ring 12 is equipped with location hole along the vertical direction, and the lower end of spring 13 and screw rod is prolonged
Positioning hole is extended to, and the lower end of spring and the hole wall of location hole offset.In the present embodiment, locating part is screw, and screw
End and the roof of support ring offset.Naturally, locating part is limited post, and the lower end of limited post and the roof of support ring offset
It is also possible.
The course of work is as follows: the fixture equipped with drill bit, which is mounted on tool setting mechanism 5, carries out aim at tool operation, after the completion of knife,
It removes fixture and is installed and is located in one 6a of fixture mounting hole, starting motor 2 makes the rotation of grinding wheel 4 realize drill bit apex angle
Grinding, in process of lapping, fixture is ground to noiseless according to rotating back and forth clockwise and counterclockwise；The grinding of apex angle
After the completion, fixture is removed to and is mounted on the grinding of cutting edge before progress drill bit in two 11a of fixture mounting hole.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. chamfer drill grinder including casing (3), the motor (2) being installed in casing (3), is installed in outside casing (3) front end
Housing (1) and the grinding wheel (4) being set in housing (1), the front-end of spindle of the motor (2) stretch out casing (3) and and grinding wheel
(4) it is connected, the housing (1) is equipped with the opening one (1a) with grinding wheel (4) outer rim face, is fixed with and grinds at one (1a) that be open
It grinds seat one (6), and grinding base one (6) is equipped with the fixture mounting hole one (6a) with grinding wheel (4) outer rim face, which is characterized in that
It reclines and is fixed with cooling fin annular in shape (7) on the front end face of the grinding wheel (4), and both cooling fin (7) and grinding wheel (4)
Central axis it is conllinear, the front side of the housing (1), which is run through, is equipped with multiple heat release holes one (1b), and part heat release hole one (1b)
With cooling fin (7) face；There are multiple circumferentially spaced uniformly distributed and radiating parts in a strip shape on the cooling fin (7)
(7a), length the radially extending along cooling fin (7) of radiating part (7a), and radiating part (7a) are located at heat release hole one (1b) and heat dissipation
Between piece (7), each radiating part (7a) is formed by cooling fin (7) edge forward fold, and cooling fin (7) is at every place
Crooked place forms jagged (7b).
2. chamfer drill grinder according to claim 1, which is characterized in that outside the front end of the main shaft of the motor (2)
It is arranged and is fixed with connecting cylinder (8), the front end of the cooling fin (7) is equipped with positioning ring (9), positioning ring (9) and connecting cylinder (8)
Be removably fixed with by bolt (10), and the rear end face of the front end face of cooling fin (7) and grinding wheel (4) respectively with positioning ring (9)
The front end face tight abutment of rear end face and connecting cylinder (8).
3. chamfer drill grinder according to claim 2, which is characterized in that one on the front end face of the connecting cylinder (8)
Body formed to have ring screw portion (8a) and above-mentioned grinding wheel (4) is set in ring screw portion (8a) outside, the bolt (10)
Bar portion sequentially passes through positioning ring (9) and cooling fin (7) and is screwed onto ring screw portion (8a), and the head of bolt (10) and fixed
The front end face tight abutment of position ring (9).
4. chamfer drill grinder according to claim 1, which is characterized in that the opening one (1a) is set to housing (1)
Left side wall on, and through offering multiple heat release holes two (1c) on the right side wall of housing (1).
5. chamfer drill grinder according to claim 4, which is characterized in that the grinding base one (6) includes and casing
(3) connected pedestal (6b) is inserted with positioning tube in the through-hole being equipped with grinding wheel (4) outer rim face, through-hole on pedestal (6b)
(6c), positioning tube (6c) are rotatablely connected by bearing (6d) and pedestal (6b), and the inner hole of above-mentioned positioning tube (6c) is above-mentioned
Fixture mounting hole one (6a).
6. chamfer drill grinder according to claim 2, which is characterized in that the top of the housing (1), which is run through, to be equipped with
Be open two (1d), and level is equipped with L-shaped grinding base two (11) at two (1d) that are open, and branch is cased with outside the connecting cylinder (8)
Pushing out ring (12), support ring (12) are in immediately below grinding base two (11) and are connected with casing (3), one end edge of grinding base two (11)
Vertical direction, which runs through, is equipped with fixture mounting hole two (11a) with grinding wheel (4) outer rim face, and the other end of grinding base two (11) with
Support ring (12), which is hinged, swing up and down grinding base two (11) can relative to support ring (12), the grinding base two (11)
The other end runs through along the vertical direction offers limit hole, is equipped with vertically in limit hole screw rod (14), the lower end of screw rod (14) with
Support ring (12) is connected, and the upper end diameter of screw rod (14) is greater than the aperture of limit hole, the lower end housing of the screw rod (14)
Have spring (13), the roof and bottom wall of the grinding base two (11) upper end with the upper end of screw rod (14) and spring (13) respectively
It offsets, and the lower end of spring (13) offsets with support ring (12), this can be limited by, which being further fixed on the grinding base two (11), grinds
Grind the locating part (15) of seat two (11) to lower swing.
7. chamfer drill grinder according to claim 6, which is characterized in that the top of the support ring (12) is along vertical
Direction is equipped with location hole, and the lower end of the spring (13) and screw rod (14) all extends to positioning hole, and under spring (13)
It holds and offsets with the hole wall of location hole.
8. chamfer drill grinder according to claim 6, which is characterized in that the locating part (15) is screw, and spiral shell
The end of silk and the roof of support ring (12) offset.
9. chamfer drill grinder according to claim 6, which is characterized in that the locating part (15) is limited post, and
The lower end of limited post and the roof of support ring (12) offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821624911.1U CN208854296U (en) | 2018-10-07 | 2018-10-07 | A kind of chamfer drill grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821624911.1U CN208854296U (en) | 2018-10-07 | 2018-10-07 | A kind of chamfer drill grinder |
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| Publication Number | Publication Date |
|---|---|
| CN208854296U true CN208854296U (en) | 2019-05-14 |
Family
ID=66420345
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821624911.1U Active CN208854296U (en) | 2018-10-07 | 2018-10-07 | A kind of chamfer drill grinder |
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| Country | Link |
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| CN (1) | CN208854296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015132A (en) * | 2018-10-07 | 2018-12-18 | 浙江美日智能装备有限公司 | A kind of chamfer drill grinder |
-
2018
- 2018-10-07 CN CN201821624911.1U patent/CN208854296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015132A (en) * | 2018-10-07 | 2018-12-18 | 浙江美日智能装备有限公司 | A kind of chamfer drill grinder |
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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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A chamfer drill grinder Effective date of registration: 20220526 Granted publication date: 20190514 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG MEIRI INTELLIGENT MACHINERY Co.,Ltd. Registration number: Y2022330000793 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231108 Granted publication date: 20190514 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG MEIRI INTELLIGENT MACHINERY Co.,Ltd. Registration number: Y2022330000793 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A chamfer drill grinding machine Effective date of registration: 20231116 Granted publication date: 20190514 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG MEIRI INTELLIGENT MACHINERY Co.,Ltd. Registration number: Y2023330002680 |