CN110280844A - A kind of rack gear beveler - Google Patents
A kind of rack gear beveler Download PDFInfo
- Publication number
- CN110280844A CN110280844A CN201910672874.4A CN201910672874A CN110280844A CN 110280844 A CN110280844 A CN 110280844A CN 201910672874 A CN201910672874 A CN 201910672874A CN 110280844 A CN110280844 A CN 110280844A
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- CN
- China
- Prior art keywords
- rack gear
- material conveying
- conveying platform
- roller mount
- tool apron
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/10—Chamfering the end edges of gear teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
- Milling Processes (AREA)
Abstract
The present invention provides a kind of rack gear bevelers, belong to machine tool technology field.The technical problems such as it, which solves existing beveler, can only once fall one or two angle, and chamfering efficiency is low.This rack gear beveler includes the material conveying platform being set gradually from left to right on lathe bed, tool apron and discharging platform, the material conveying platform is in long strip and is transversely arranged, the front and rear sides of the material conveying platform are laterally spaced to be provided with the limited roller that longitudinal register is carried out to the rack gear on material conveying platform, and the material conveying platform is equipped with the mandril that drive rack transversely enters tool apron.The present invention can automatically head into rack gear in tool apron, and carry out chamfering operation simultaneously to four angles of rack gear, and working efficiency is higher.
Description
Technical field
The invention belongs to machine tool technology fields, refer in particular to a kind of rack gear beveler.
Background technique
Rack gear is very important active transmission parts, is widely used in the industries such as machinery, aviation, instrument.Rack gear
Common production process generally comprise a, milling is carried out to the four sides of steel bar form the rack gear steel billet met the size requirements, b, to steel
Four seamed edges of item carry out chamfered, c, carry out tooth Profile Machining to rack gear steel billet and are formed rack gear (plane, milling, insert etc.), d, to tooth
Item carries out finish-milling, e, the accurate processing such as grinding processes positioning hole on rack gear.Wherein to four seamed edges of steel bar by falling
Angle machine carries out chamfering, and existing beveler has plane, milling and manually carries out chamfering, can only once fall one or two angle, chamfering effect
Rate is lower.
Summary of the invention
The object of the present invention is to provide a kind of rack gear bevelers that can be improved chamfering efficiency, once can it is tetragonous and meanwhile into
Row chamfering.
The object of the present invention is achieved like this:
A kind of rack gear beveler, including the material conveying platform, tool apron and discharging platform being set gradually from left to right on lathe bed,
It is characterized by: the material conveying platform is in long strip and is transversely arranged, the front and rear sides of the material conveying platform are laterally spaced
It is provided with the limited roller that longitudinal register is carried out to the rack gear on material conveying platform, the material conveying platform is equipped with drive rack along horizontal
To the mandril for entering tool apron.
In a kind of above-mentioned rack gear beveler, the mandril is fixedly arranged above push plate, and the push plate is connected with driving
The actuator that push plate laterally moves.The actuator includes hydraulic cylinder and screw rod, and the middle part of the push plate is equipped with and screw rod
The interconnecting piece of threaded connection.
In a kind of above-mentioned rack gear beveler, the top of the material conveying platform is transversely equipped with two guide rods, described
The rear and front end of push plate forms guide ring, and the guiding coollar is set on the guide rod and can be oppositely oriented ring cross
To sliding, the middle part of the actuator and push plate is connected.
It is laterally spaced on the lathe bed to be provided with multiple bottom plates, the bottom plate in a kind of above-mentioned rack gear beveler
Length direction be parallel to longitudinal direction, the material conveying platform is set up in the middle part of the bottom plate, the front end and rear end of each bottom plate
Portion is equipped with longitudinal rail, is respectively and fixedly provided with roller mount on the sliding sliding block set on every longitudinal rail, the bottom plate is equipped with and is used for
The adjustment mechanism of guide rail and sliding block relative position is adjusted, the inner end of the roller mount is respectively and fixedly provided with limited roller.
In a kind of above-mentioned rack gear beveler, there are two limit rollings for the laterally spaced setting in the inner end of each roller mount
Wheel, the inner end of the limited roller ipsilateral positioned at material conveying platform are respectively positioned in same plane, the plane position where above-mentioned limited roller
In the inside of ipsilateral roller mount medial surface.
In a kind of above-mentioned rack gear beveler, cushion block is equipped between each roller mount and sliding block.
In a kind of above-mentioned rack gear beveler, the roller mount on front side of material conveying platform is to determine roller mount, the adjustment
Mechanism includes the baffle and longitudinally disposed adjusting bolt being connected with the front end of guide rail, on the adjustings bolt and baffle
Threaded hole is threadedly coupled, and the rear end for adjusting bolt is connect with roller mount is determined.Above-mentioned adjusting bolt and baffle fit being capable of hands
The position of roller mount in the longitudinal direction determine in dynamic adjustment, and by set on determine the limited roller of roller mount inner end to the leading flank of rack gear into
Row limit enables rack gear to match with the entrance of tool apron and merges smoothly by progress chamfering operation in mandril feeding tool apron.
In a kind of above-mentioned rack gear beveler, the roller mount on rear side of material conveying platform is dynamic roller mount, the adjustment
Mechanism includes the cylinder being fixed on rear side of guide rail, and the cylinder can drive dynamic roller mount to move longitudinally on guide rail.Into one
It walks, the upper side that cylinder is fixed on bottom plate by mounting blocks and cylinder is made to be higher than dynamic roller mount, before the piston rod of cylinder
End is fixed with fixing card, and the upper surface of dynamic roller mount is fixed with connecting plate, and connecting plate and fixing card pass through the volume being vertically arranged and connect
Extension bar is connected；Before the setting of above-mentioned cylinder can drive dynamic roller mount Forward to make rack gear when rack gear is placed on material conveying platform
Side be arranged in determine limited roller in roller mount against, to position to rack gear, structure simple operations are convenient, and
Stability is high.
In a kind of above-mentioned rack gear beveler, guide holder, two guiding are respectively fixed at left and right sides of the tool apron
The outside of seat is removably fixed with guide sleeve, and the middle part of the guide sleeve is equipped with the square hole cooperated with rack gear.Above-mentioned guide holder
Design with guide sleeve can carry out longitudinal and vertical fixation to rack gear, and rack gear is not when so that tool apron is carried out chamfering to rack gear
It can shift, chamfering effect is more preferably more stable；The design of dismountable guide sleeve simultaneously can be adapted to by replacement guide sleeve
Various sizes of rack gear is conducive to the applicability for improving this rack gear beveler.
In a kind of above-mentioned rack gear beveler, the middle part of the tool apron has a columned cavity, in the cavity
The central axes of axis and rack gear are located along the same line, and the lower end of the tool apron is equipped with the blowpit being connected to cavity, the knife
Two for capable of being oppositely arranged in the broaching tool of cavity moved radially, same perpendicular there are four being arranged radially on seat
The line of broaching tool and two diagonal line coincidents of rack gear.The design of above-mentioned broaching tool each broaching tool and rack gear when being for chamfering
The included angle at four angles is consistent, is conducive to improve chamfering effect.
In a kind of above-mentioned rack gear beveler, the broaching tool is fixed on the inner end of swaging clamp body, each equal energy of swaging clamp body
Enough moving radially along cavity under the driving of corresponding driving bolt, the left and right ends of each driving bolt are provided with to swaging clamp
The caging bolt that the outer end of body is radially limited.The inner end of driving bolt is threadedly coupled with swaging clamp body, the inner end of caging bolt
It is resisted against the outer end of swaging clamp body.
In a kind of above-mentioned rack gear beveler, the laterally spaced central axes being provided with cavity in the inner end of the broaching tool
Vertical cutter head, the cutter head are from left to right successively reduced at a distance from cavity central axes, and the distance of two neighboring cutter head
Poor range is 0.05mm-0.15mm, it is preferred that the range difference of the two is 0.1mm.Further, between two neighboring cutter head
Distance is from left to right gradually increased, and from left to right successively the design of reduction can be layer-by-layer at a distance from cavity central axes for above-mentioned cutter head
Chamfering operation is carried out to rack gear, the rack gear after chamfering at chamfering is more smooth, crude less and little to the damage of cutter head,
Be conducive to improve the service life of broaching tool.
In a kind of above-mentioned rack gear beveler, the both ends of the material conveying platform are fixed on setting by guiding card slot and are being sent
On the bottom plate for expecting platform both ends, the guiding card slot includes substrate and takes shape in two fixture blocks on substrate, the material conveying platform
Card is set between two fixture blocks, and the substrate and bottom plate are connected, and the both ends of the material conveying platform are provided with for connecting with substrate
The connection bolt that connects and for controlling and the jacking bolt of substrate distance.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
Of the invention can automatically head into rack gear in tool apron, and carry out chamfering operation, work simultaneously to four angles of rack gear
It is higher to make efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the transverse sectional view of tool apron of the invention.
Fig. 4 is the longitudinal sectional view of tool apron of the invention.
Fig. 5 is the oblique cross-sectional view of tool apron of the invention.
Fig. 6 is the longitudinal sectional view at bottom plate of the invention.
In figure, 1, material conveying platform；11, actuator；111, mandril；112, push plate；113, guide rod；12, bottom plate；121, it indulges
Direction guiding rail；122, sliding block；123, cushion block；124, roller mount；125, limited roller；126, baffle；127, bolt is adjusted；128, gas
Cylinder；13, it is oriented to card slot；2, tool apron；21, cavity；22, blowpit；23, broaching tool；231, cutter head；24, swaging clamp body；25, spiral shell is driven
Bolt；26, caging bolt；27, guide holder；28, guide sleeve；3, discharging platform；4, lathe bed；5, rack gear.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing, referring to Fig. 1-6:
This rack gear beveler includes the material conveying platform 1, tool apron 2 and discharging platform being set gradually from left to right on lathe bed 4
3, material conveying platform 1 is in long strip and is transversely arranged, and the front and rear sides of material conveying platform 1 are laterally spaced to be provided with to material conveying platform
Rack gear 5 on 1 carries out the limited roller 125 of longitudinal register, and material conveying platform 1 is equipped with drive rack 5 transversely into tool apron 2
Mandril 111.Of the invention can automatically head into rack gear 5 in tool apron 2, and carry out chamfering operation simultaneously to four angles of rack gear 5,
Working efficiency is higher.
As depicted in figs. 1 and 2, mandril 111 is fixedly arranged above push plate 112, and push plate 112 is connected with driving 112 edge of push plate
The actuator 11 of transverse shifting, actuator 11 include hydraulic cylinder and screw rod, and the middle part of push plate 112 is equipped with to be connect with screw flight
Interconnecting piece；The top of material conveying platform 1 is transversely equipped with two guide rods 113, and the rear and front end of push plate 112 forms guiding
Ring, guiding coollar are set on guide rod 113 and can be oppositely oriented ring and slide laterally, the middle part of actuator 11 and push plate 112
Connection.
As shown in Fig. 2, laterally spaced on lathe bed 4 be provided with multiple bottom plates 12, the length direction of bottom plate 12 is parallel to vertical
To material conveying platform 1 is set up in the middle part of bottom plate 12, and the front end and rear end of each bottom plate 12 are equipped with longitudinal rail 121, often
Roller mount 124 is respectively and fixedly provided on root longitudinal rail 121 on the sliding sliding block 122 set, bottom plate 12 is equipped with for adjusting guide rail and cunning
The adjustment mechanism of 122 relative position of block, the inner end of roller mount 124 are respectively and fixedly provided with limited roller 125；Each roller mount 124
For the laterally spaced setting in inner end there are two limited roller 125, the inner end of the limited roller 125 ipsilateral positioned at material conveying platform 1 is equal
It is in the same plane, the plane where above-mentioned limited roller 125 is located at the inside of ipsilateral 124 medial surface of roller mount；Each rolling
Cushion block 123 is equipped between wheel seat 124 and sliding block 122；The both ends of material conveying platform 1 are fixed on setting by guiding card slot 13 and are being sent
On the bottom plate 12 for expecting 1 both ends of platform, guiding card slot 13 includes substrate and takes shape in two fixture blocks on substrate, and material conveying platform 1 blocks
If substrate and bottom plate 12 are connected, and the both ends of material conveying platform 1 are provided with the connection for connecting with substrate between two fixture blocks
Bolt and for control with the jacking bolt of substrate distance.
As shown in fig. 6, the roller mount 124 for being located at 1 front side of material conveying platform is to determine roller mount 124, adjustment mechanism includes and leads
The front end of rail connected baffle 126 and longitudinally disposed adjusting bolt 127, adjust the screw thread on bolt 127 and baffle 126
Hole is threadedly coupled, and the rear end for adjusting bolt 127 is connect with roller mount 124 is determined；Roller mount 124 positioned at the rear side of material conveying platform 1 is
Dynamic roller mount 124, adjustment mechanism includes the cylinder 128 being fixed on rear side of guide rail, and cylinder 128 can drive dynamic roller mount 124 to exist
It moves longitudinally on guide rail.Above-mentioned adjusting bolt 127 and the cooperation of baffle 126 can manually adjust and determine roller mount 124 in the longitudinal direction
Position, and determine the limited roller 125 of 124 inner end of roller mount by being set to the leading flank of rack gear 5 limited, make rack gear 5
It can match to merge smoothly to be sent into tool apron 2 by mandril 111 with the entrance of tool apron 2 and carry out chamfering operation；Further, cylinder
128 upper sides for being fixed on bottom plate 12 by mounting blocks and cylinder 128 being made to be higher than dynamic roller mount 124, the piston rod of cylinder 128
Be fixedly arranged at the front end with fixing card, the upper surface of dynamic roller mount 124 is fixed with connecting plate, connecting plate and fixing card by being vertically arranged
Volume connecting rod be connected；The setting of above-mentioned cylinder 128 can drive dynamic roller mount 124 when rack gear 5 is placed on material conveying platform 1
Forward makes the leading flank of rack gear 5 determine limited roller 125 in roller mount 124 against to determine rack gear 5 with being arranged in
Position, structure simple operations are convenient, and stability is high.
As in Figure 3-5, the left and right sides of tool apron 2 is respectively fixed with guide holder 27, the outside of two guide holders 27
Disassembly is fixed with guide sleeve 28, and the middle part of guide sleeve 28 is equipped with the square hole cooperated with rack gear 5；The middle part of tool apron 2 has cylindric
Cavity 21, the central axes of cavity 21 and the central axes of rack gear 5 are located along the same line, and the lower end of tool apron 2 is equipped with and cavity 21
The blowpit 22 of connection, is arranged radially that there are four can be same perpendicular along the broaching tool 23 of cavity 21 moved radially on tool apron 2
The line for two broaching tools 23 being oppositely arranged in straight plane and two diagonal line coincidents of rack gear 5；Broaching tool 23 is fixed on card
The inner end of cutter hub 24, each swaging clamp body 24 can under the driving of corresponding driving bolt 25 moving radially along cavity 21,
The left and right ends of each driving bolt 25 are provided with the caging bolt 26 radially limited to the outer end of swaging clamp body 24；Broaching tool
23 inner end is laterally spaced to be provided with the cutter head 231 vertical with the central axes of cavity 21, cutter head 231 and 21 central axes of cavity
Distance is from left to right successively reduced, and the range difference range of two neighboring cutter head 231 is 0.05mm-0.15mm, it is preferred that two
The range difference of person is 0.1mm.The design of above-mentioned guide holder 27 and guide sleeve 28 can carry out longitudinal and vertical consolidate to rack gear 5
Fixed, rack gear 5 will not shift when so that tool apron 2 is carried out chamfering to rack gear 5, and chamfering effect is more preferably more stable；It is removable simultaneously
The design of the guide sleeve 28 unloaded can adapt to various sizes of rack gear 5 by replacing guide sleeve 28, be conducive to improve this rack gear and
The applicability of angle machine；The included angle one of the design of above-mentioned broaching tool 23 each broaching tool 23 and 5 four angles of rack gear when being for chamfering
It causes, is conducive to improve chamfering effect；The inner end of driving bolt 25 is threadedly coupled with swaging clamp body 24, the inner end of caging bolt 26 against
In the outer end of swaging clamp body 24；The distance between two neighboring cutter head 231 is from left to right gradually increased, above-mentioned cutter head 231 and cavity
From left to right successively the design of reduction successively can carry out chamfering operation to rack gear 5 to the distance of 21 central axes, after chamfering at chamfering
Rack gear 5 it is more smooth, crude less and little to the damage of cutter head 231, be conducive to improve broaching tool 23 service life.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (10)
1. a kind of rack gear beveler, including be set gradually from left to right on lathe bed (4) material conveying platform (1), tool apron (2) and unload
Expect platform (3), it is characterised in that: the material conveying platform (1) is in long strip and is transversely arranged, before the material conveying platform (1)
Two sides are laterally spaced afterwards is provided with the limited roller (125) that longitudinal register is carried out to the rack gear (5) on material conveying platform (1), institute
State the mandril (111) that material conveying platform (1) transversely enters tool apron (2) equipped with drive rack (5).
2. a kind of rack gear beveler according to claim 1, it is characterised in that: mandril (111) are fixedly arranged above
Push plate (112), the push plate (112) are connected with the actuator (11) that driving push plate (112) laterally moves.
3. a kind of rack gear beveler according to claim 2, it is characterised in that: the top of the material conveying platform (1) is along cross
Guide ring is formed to the rear and front end for being equipped with two guide rods (113), the push plate (112), the guiding coollar is set to
It on the guide rod (113) and ring can be oppositely oriented slides laterally, connect in the middle part of the actuator (11) and push plate (112)
It connects.
4. a kind of rack gear beveler according to claim 1, it is characterised in that: laterally spaced on the lathe bed (4) to set
It is equipped with multiple bottom plates (12), the length direction of the bottom plate (12) is parallel to longitudinal direction, and the material conveying platform (1) is set up in the bottom
The middle part of plate (12), the front end and rear end of each bottom plate (12) are equipped with longitudinal rail (121), every longitudinal rail
(121) it is respectively and fixedly provided with roller mount (124) on the sliding sliding block (122) set on, between each roller mount (124) and sliding block (122)
Equipped with cushion block (123), the bottom plate (12) is equipped with the adjustment mechanism for adjusting guide rail and sliding block (122) relative position, institute
The inner end for stating roller mount (124) is respectively and fixedly provided with limited roller (125).
5. a kind of rack gear beveler according to claim 4, it is characterised in that: the both ends of the material conveying platform (1) pass through
Guiding card slot (13), which is fixed on, to be arranged on the bottom plate (12) at material conveying platform (1) both ends, and the guiding card slot (13) includes substrate
With two fixture blocks taken shape on substrate, material conveying platform (1) card is set between two fixture blocks, the substrate and bottom plate (12)
It is connected, the both ends of the material conveying platform (1) are provided with the connection bolt for connecting with substrate and are used for control and substrate
The jacking bolt of distance.
6. a kind of rack gear beveler according to claim 4, it is characterised in that: the equal edge in inner end of each roller mount (124)
It is horizontally arranged at interval there are two limited roller (125), is located at the equal position in inner end of material conveying platform (1) ipsilateral limited roller (125)
In in same plane, the plane where above-mentioned limited roller (125) is located at the inside of ipsilateral roller mount (124) medial surface.
7. a kind of rack gear beveler according to claim 4, it is characterised in that: the idler wheel being located on front side of material conveying platform (1)
Seat (124) is to determine roller mount (124), and corresponding adjustment mechanism includes the baffle (126) being connected with the front end of guide rail and indulges
To the adjusting bolt (127) of setting, adjusting bolt (127) is threadedly coupled with the threaded hole on baffle (126), the adjusting
The rear end of bolt (127) is connect with roller mount (124) is determined；Roller mount (124) on rear side of material conveying platform (1) is dynamic roller mount
(124), corresponding adjustment mechanism includes the cylinder (128) being fixed on rear side of guide rail, and the cylinder (128) can drive dynamic idler wheel
Seat (124) moves longitudinally on guide rail.
8. a kind of rack gear beveler according to claim 1, it is characterised in that: distinguish the left and right sides of the tool apron (2)
It is fixed with guide holder (27), the outside of two guide holders (27) is removably fixed with guide sleeve (28), the guide sleeve (28)
Middle part be equipped with the square hole that cooperate with rack gear (5), the middle part of the tool apron (2) is with columned cavity (21), the cavity
(21) central axes of central axes and rack gear (5) are located along the same line, and the lower end of the tool apron (2) is equipped with cavity (21) even
Logical blowpit (22), is arranged radially that there are four can be along the broaching tool of cavity (21) moved radially on the tool apron (2)
(23), the line for two broaching tools (23) being oppositely arranged in same perpendicular and two diagonal line coincidents of rack gear (5).
9. a kind of rack gear beveler according to claim 8, it is characterised in that: the broaching tool (23) is fixed on swaging clamp body
(24) inner end, each swaging clamp body (24) can be under the drivings of corresponding driving bolt (25) along the radial direction shifting of cavity (21)
Dynamic, the left and right ends of each driving bolt (25) are provided with the caging bolt radially limited to the outer end of swaging clamp body (24)
(26)。
10. a kind of rack gear beveler according to claim 9, it is characterised in that: the inner end of the broaching tool (23) is transversely
Be arranged at intervals with the cutter head (231) vertical with the central axes of cavity (21), the cutter head (231) and cavity (21) central axes away from
From from left to right successively reducing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672874.4A CN110280844B (en) | 2019-07-24 | 2019-07-24 | Rack chamfering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672874.4A CN110280844B (en) | 2019-07-24 | 2019-07-24 | Rack chamfering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280844A true CN110280844A (en) | 2019-09-27 |
| CN110280844B CN110280844B (en) | 2023-09-05 |
Family
ID=68023897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910672874.4A Active CN110280844B (en) | 2019-07-24 | 2019-07-24 | Rack chamfering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280844B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662804A (en) * | 1985-04-22 | 1987-05-05 | Kabushikigaisha Iwasa Tekkosho | Automatic chamfering machine |
| CN103846481A (en) * | 2014-03-31 | 2014-06-11 | 浙江博雷重型机床制造有限公司 | Combined processing production line for rack steel billet |
| CN103878444A (en) * | 2014-03-31 | 2014-06-25 | 浙江博雷重型机床制造有限公司 | Toothed bar billet chamfering machine with discharging platform |
-
2019
- 2019-07-24 CN CN201910672874.4A patent/CN110280844B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662804A (en) * | 1985-04-22 | 1987-05-05 | Kabushikigaisha Iwasa Tekkosho | Automatic chamfering machine |
| CN103846481A (en) * | 2014-03-31 | 2014-06-11 | 浙江博雷重型机床制造有限公司 | Combined processing production line for rack steel billet |
| CN103878444A (en) * | 2014-03-31 | 2014-06-25 | 浙江博雷重型机床制造有限公司 | Toothed bar billet chamfering machine with discharging platform |
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| Publication number | Publication date |
|---|---|
| CN110280844B (en) | 2023-09-05 |
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