CN202715892U - Full-automatic machining broacher - Google Patents
Full-automatic machining broacher Download PDFInfo
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- CN202715892U CN202715892U CN 201220465548 CN201220465548U CN202715892U CN 202715892 U CN202715892 U CN 202715892U CN 201220465548 CN201220465548 CN 201220465548 CN 201220465548 U CN201220465548 U CN 201220465548U CN 202715892 U CN202715892 U CN 202715892U
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- manipulator
- broaching tool
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Abstract
The utility model provides a full-automatic machining broacher which comprises a broach clamping insertion and detaching mechanism of the broacher. A hoister, a straight loading manipulator, a rotating loading manipulator, a broach clamping manipulator, a feeding and unloading mechanism through the manipulators to clamp products, a broach breakage detection unit, and the like are installed on the broacher. A broach hydraulic pump, the broach clamping manipulator and the rotating loading manipulator are connected with other devices on one side of a broacher body. Product blanks are conveyed to the straight loading manipulator through the hoister. The rotating loading manipulator is used for installing the product blanks on a tool of the broacher. The broach clamping manipulator feeds a broach in an inner hole of a part, the broacher is fixed through a broach clamping cylinder, a hydraulic system drives the broach to move into the inner hole of the part to cut, and then machining is completed. The part machining broacher simultaneously controls operation of all the components through a controller, so the full-automatic machining broacher achieves full-automation operation in the whole machining process, saves a great deal of manpower cost, reduces material cost, and is safer and more reliable in production.
Description
Technical field
The utility model relates to the full-automatic broaching machine of broaching machine, especially machining that different product carries out machining processing; Belong to the machining equipment technical field.
Background technology
In machining, gear is one of modal power transmitting elements, and the gear pair transmitting torque by two gears of arranging of matching form is widely used on the power transmission of automobile or motorcycle.And gear is owing to need to cooperate with gear shaft, on the inner circle of gear, all needs to arrange the keyway that matches with the periphery of axle, teeth groove etc., could mutually drive between gear and the gear shaft, rotates together.At present process keyway, teeth groove etc. in the inner circle of gear, on broaching machine, manually gear blank is fixed on the frock of broaching machine by the workman, then broaching tool is passed the interior circular hole of gear, drive broaching tool work by hydraulic power, interior circular hole at gear processes keyway, teeth groove etc., also needs after machining manually finished product and broaching tool to be disassembled, and then vanning enters next process.And because the gear part of automobile and motorcycle is to add man-hour very large in batches, when using present broaching machine, each broaching machine must configure a workman accordingly, and the workman wants continuous material loading, blanking and the action of control broaching machine in process, this is not only so that workman's operation is too loaded down with trivial details, working (machining) efficiency is lower, and labour intensity is large, easily produces potential safety hazard.
Summary of the invention
For above-mentioned deficiency of the prior art, main purpose of the present utility model is to solve when the common light duty broaching machine operates, traditional manual manipulation mode is too complicated, working (machining) efficiency is lower, and the problem such as processing safety is lower, provide a kind of workman of need not operation, working (machining) efficiency higher, can also with the further on line of miscellaneous equipment, realize the full-automatic broaching machine of machining of one man operation multimachine.
The technical solution of the utility model: the full-automatic broaching machine of machining, comprise broaching machine lathe bed and controller, it is characterized in that, at lathe bed straight line feeding manipulator, pusher cylinder, rotary loading manipulator, broaching tool clamping mechanical hand, broaching tool chucking cylinder, spindle drum, frock clamp and broaching machine hydraulic means are installed, described rotary loading manipulator comes mobile and horizontal distance and rotation by serial cylinders, is used for product to be processed is installed in above the frock clamp; Product to be processed flows to the straight line feeding manipulator by feeding machine, the station corresponding matching that connects material of described straight line feeding manipulator and rotary loading manipulator, pusher cylinder and straight line feeding manipulator are equipped with, be used for promoting product to be processed above the rotary loading manipulator, the rotary loading manipulator rotates between station and the processing stations connecting material; Described broaching tool clamping mechanical hand is arranged on a side of broaching machine spindle drum, and the broaching tool that described broaching tool clamping mechanical hand is delivered to broaching tool on the broaching tool chucking cylinder by cylinder clamps station; Described broaching tool chucking cylinder is used for broaching tool is fixed on spindle drum, and spindle drum is connected with the broaching machine hydraulic means, and under the drive of broaching machine hydraulic means, broaching tool cooperates processing with product to be processed on being clamped in frock clamp at processing stations; Product after the processing is by the pusher cylinder blanking of rotary loading manipulator top, perhaps rotates to the station that connects material by pusher cylinder blanking again in company with the rotary loading manipulator first; The broaching machine hydraulic means is oppositely mobile, promotes spindle drum oppositely mobile together with broaching tool, by cylinder, broaching tool clamping mechanical hand broaching tool is restored again.
Further feature is, described feeding machine, comprise elevator, be provided with at elevator and initiatively promote sprocket wheel, driven lifting sprocket wheel, lifting chain, lifting step and outer link stopper, lifting chain is arranged on and initiatively promotes between sprocket wheel and the driven lifting sprocket wheel, initiatively promote sprocket wheel and connect outside power set and drive lower rotation, drive lifting chain and move back and forth between sprocket wheel and the driven lifting sprocket wheel initiatively promoting; Outward-dipping lifting step is arranged on the lifting chain, follows lifting chain and moves; Product to be processed is placed on the space that promotes between step and the outer link stopper; In the position of outer link stopper line correspondence feeding manipulator, be provided with an opening, product to be processed is thus lifted to this aperture position, from promoting the outside landing of step, the position of falling the straight line feeding manipulator by slideway.
Described straight line feeding manipulator is fixed on rotary loading manipulator left, the straight line feeding manipulator is by the elevator material loading, whether have material, when material is arranged, promote product above the rotary loading manipulator by the pusher cylinder if removing to respond to the straight line feeding manipulator with the inductive switch of correspondence setting.
Described rotary loading manipulator comes the mobile and horizontal distance by serial cylinders, when product to be processed is pushed the mode fixed product of using clamping above the rotary loading manipulator by the pusher cylinder, inductive switch control serial cylinders by the correspondence setting moves horizontally disengaging straight line feeding manipulator, again by inductive switch control rotary loading manipulator, rotate to processing stations, then inductive switch is being controlled serial cylinders and is moved horizontally product is installed in above the broaching machine frock clamp.
Described broaching tool clamping mechanical hand is arranged on a side of broaching machine spindle drum, described broaching tool clamping mechanical hand is clamped by clamping cylinder control and loosens, when product is delivered to broaching machine frock seat by rotary cylinder, by the broaching tool clamping mechanical hand broaching tool is delivered on the broaching tool chucking cylinder by product, the broaching tool clamping mechanical hand promotes inductive switch control displacement by cylinder.
The controller that gear spline processing broaching machine of the present utility model uses is the KND controller (CNC system for lathe of a kind of maturation that the Beijing KaiEnDi numerical control Technology Co.,Ltd produces, be called for short KND), this controller can be controlled the work of elevator, straight line feeding manipulator, rotary loading manipulator, broaching tool clamping mechanical hand, broaching tool chucking cylinder, hydraulic power and all cylinders simultaneously, make it form the streamline of a collaborative work, whole process need not the workman and gets involved, thereby has reached the purpose of full-automatic operation.
During work, the workman only need be placed on product blank to be processed on other on-line equipment (feeding machine), then allow it automatically process according to control program, and then the product that processes unloaded from the receiver and get final product, when the gear blank on other on-line equipment (feeding machine) processes, the KND controller will send warning, and the workman can hear after the warning again to other on-line equipment (feeding machine) filling.Like this in whole process, the workman does not need to wait on the lathe next door always, thereby has alleviated workman's workload, and a workman can monitor many broaching machine work simultaneously, has therefore also saved a large amount of human costs.
With respect to prior art, the utlity model has following beneficial effect:
1, reduced difficulty of processing, improved working (machining) efficiency: horizontal broaching machine of the present utility model adopts full-automatic operation, carry from the material loading → clamping position of gear blank → machine-shaping → blanking and all need not manpower intervention, whole process is smooth, quick, not only saved a large amount of manpowers, also make every workman can take into account simultaneously multiple devices, and then so that output increase substantially.
2, reduced production cost, security performance improves: owing to adopting Automatic Control, each workman can control many broaching machine work simultaneously, has saved a large amount of human costs; And because the scrappage of product reduces, also reduce material cost; Whole process need not the manual feeding, discharge of personnel, therefore produces also safer, reliable.
Description of drawings
Fig. 1 is the stereogram of the full-automatic broaching machine of the utility model machining;
Fig. 2 is the top view of the full-automatic broaching machine of the utility model machining;
Fig. 3 is the right view of the full-automatic broaching machine of the utility model machining.
Among the figure, 1-lathe bed, 2-controller, 3-serial cylinders, 4-straight line feeding manipulator, 5-elevator, 6-pusher cylinder, 7-rotary loading manipulator, 8-broaching tool clamping mechanical hand, 9-broaching tool chucking cylinder, 10-broaching machine spindle drum, 11-cylinder, 12-frock clamp, 13-broaching machine hydraulic means.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1: such as Fig. 1, Fig. 2 and shown in Figure 3, the full-automatic broaching machine of a kind of machining, comprise broaching machine lathe bed 1 and controller 2, at lathe bed 1 straight line feeding manipulator 4 is installed, rotary loading manipulator 7, broaching tool clamping mechanical hand 8 and broaching tool chucking cylinder 9, side at lathe bed 1 is provided with feeding machine, product to be processed (gear blank) directly is placed on the straight line feeding manipulator 4, or by feeding machine product to be processed (gear blank) is flowed to straight line feeding manipulator 4, described straight line feeding manipulator 4 is arranged on the position that connects material of rotary loading manipulator 7, the pusher cylinder 6 that arranges by matching advances gear blank on the rotary loading manipulator 7, described rotary loading manipulator 7 is by serial cylinders 3 translation position and rotations, after translation puts in place, rotate to again processing stations, gear blank is put in the frock clamp 12; Broaching tool clamping mechanical hand 8 is positioned at an end of lathe bed 1, after in gear blank is placed into frock clamp 12 and by frock clamp 12, clamping, by broaching tool clamping mechanical hand 8 broaching tool is sent in the gear blank, passed the endoporus of gear blank, and enter the correspondence position in the broaching machine spindle drum 10; Broaching tool clamping mechanical hand 8 broaching tool is sent to broaching machine spindle drum 10 interior after, start the broaching tool chucking cylinder 9 that is equipped with, by broaching tool chucking cylinder 9 broaching tool is fixed in the broaching machine spindle drum 10, and broaching tool is clamped; Broaching machine hydraulic means 13 is connected with broaching machine spindle drum 10, and broaching machine hydraulic means 13 pulling broaching machine spindle drum 10 under hydraulic system drives is mobile at guide rail, and broaching machine spindle drum 10 drives broaching tool work, the interior round-formed keyway of broaching gear blank, teeth groove etc.; When broaching was worked, gear blank was motionless at frock clamp 12 interior chuckings, and broaching tool produces mobile under broaching machine hydraulic means 13 drives, and produces shear action in moving process and between the gear blank, and broaching tool all moves to the other end of gear blank.Broaching tool is finished after the worker advances, together with the gear blank after processing, spinning reduction under serial cylinders 3 effects puts in place rear by the gear blank after the 6 release processing of pusher cylinder by rotary loading manipulator 7, gear blank after the processing is along the landing of blanking slideway, to hopper or next operation; Oppositely mobile by broaching machine hydraulic means 13 again, push back broaching tool, reset to original position to broaching tool clamping mechanical hand 8.Described elevator 5, straight line feeding manipulator 4, pusher cylinder 6, rotary loading manipulator 7, broaching tool clamping mechanical hand 8, broaching tool chucking cylinder 9 and hydraulic means 13 etc. are by controller 2 control actions.Controller 2 is existing equipment, and what the utility model adopted is the KND controller, in the KND controller control program can be set flexibly as required, and then realizes the co-operating of all parts.
Described feeding machine can be the conveying devices such as conveyer belt of prior art, with conveying device previous operation is connected with full-automatic broaching machine of the present utility model, realizes full-automatic material conveying.Among the figure, feeding machine of the present utility model, mainly comprise elevator 5, be provided with at elevator 5 and initiatively promote sprocket wheel, driven lifting sprocket wheel, lifting chain, lifting step and outer link stopper, lifting chain is arranged on and initiatively promotes between sprocket wheel and the driven lifting sprocket wheel, initiatively promote sprocket wheel and connect outside power set and drive lower rotation, drive lifting chain and move back and forth between sprocket wheel and the driven lifting sprocket wheel initiatively promoting; Outward-dipping lifting step is arranged on the lifting chain, following lifting chain moves, product to be processed (gear blank) is placed on and promotes on the step, and spacing by outer link stopper, product to be processed (gear blank) is placed on the space that promotes between step and the outer link stopper; Position at outer link stopper line correspondence feeding manipulator 4 is provided with opening, and gear blank is thus lifted to this aperture position, from the 54 outside landings of gradient lifting step, the position of falling straight line feeding manipulator 4 by slideway.As the higher full-automatic broaching machine of a kind of automaticity, can be by automatic operation programming be set at controller 2, realize its automatic operation by time sequencing, also can a plurality of position sensors (travel switch, inductive switch) be set at lathe bed 1, after moving-member moved into place, this moving-member stopped mobile, and gave signal of telecommunication of parts of next step, make the parts of next step move or produce corresponding actions, can realize equally automatically operation.
Described straight line feeding manipulator 4 is fixed on rotary loading manipulator 7 lefts, straight line feeding manipulator 4 is by elevator 5 material loadings, remove to respond to straight line feeding manipulator 4 with the inductive switch of correspondence setting whether material is arranged, when material is arranged, promote processed product above rotary loading manipulator 7 by pusher cylinder 6.Pusher cylinder 6 is two, is arranged on straight line feeding manipulator 4 arranged on left and right sides.
Broaching tool clamping mechanical hand 8 of the present utility model is arranged on a side of broaching machine spindle drum 10, described broaching tool clamping mechanical hand 8 is clamped by clamping cylinder control and loosens, when product to be processed is delivered to the seat of broaching machine frock clamp 12 by rotary cylinder, by broaching tool clamping mechanical hand 8| the endoporus of broaching tool by processed product, deliver on the spindle drum 10, by broaching tool chucking cylinder 9 chuckings, broaching tool clamping mechanical hand 8 promotes inductive switch control displacement by cylinder 11.
Embodiment 2: be on the basis of embodiment 1, be provided for the feed sensor of detection of gear blank storage at described other on-line equipment (feeding machine), and described feed sensor is reported to the police by the controller 2 of KND.Feed sensor purpose is set here is to make the duty that the workman can the remote monitoring broaching machine, thereby so that the workman need not to wait for by broaching machine, be conducive to alleviate workman's work load, and become the mode of operation of a people Duo Tai broaching machine by the pattern of an original broaching machine of a people, greatly reduce human cost.
The course of work of the present utility model: product to be processed (gear blank) enters elevator 5 by conveying device, places or be transported to the space that promotes between step 54 and the outer link stopper 55, is transported to the position of feeding manipulator 4; Pusher cylinder 6 advances gear blank on the rotary loading manipulator 7 (station connects material), by serial cylinders 3 translation positions, rotates to processing stations after translation puts in place again, after rotary loading manipulator 7 is put gear blank into frock clamp 12 interior also clampings; By broaching tool clamping mechanical hand 8 broaching tool is sent in the gear blank, passed the endoporus of gear blank, and enter in the broaching machine spindle drum 10, start the broaching tool chucking cylinder 9 that is equipped with, fix and broaching tool is clamped by broaching tool chucking cylinder 9; Broaching machine hydraulic means 13 under hydraulic system drives pulling broaching machine spindle drum 10 and broaching tool guide rail mobile (left-hand among Fig. 1 moves), broaching tool in moving process, the interior round-formed keyway of the processing cutting edge cutting pinion blank of broaching tool, teeth groove etc.; When broaching was worked, gear blank was motionless at frock clamp 12 interior chuckings, and broaching tool is mobile in generation, produces shear action in moving process and between the gear blank.After broaching tool is finished processing, by rotary loading manipulator 7 together with processing after gear blank, spinning reduction under serial cylinders 3 effects, rotate to the station that connects material from processing stations, the gear blank of being released after processing by pusher cylinder 6 after putting in place, gear blank after the processing is along the landing of blanking slideway, to hopper or next operation; Oppositely mobile by broaching machine hydraulic means 13 again, push back broaching tool, reset to original position to broaching tool clamping mechanical hand 8.
The full-automatic broaching machine of machining of the present utility model does not need the actions such as artificial loading, blanking, clamping in whole process, operative employee's technical merit does not require too high yet, just make an inspection tour and the remover apparatus abnormal failure, to the work such as lubricated of the quality control of product and equipment, compare with unit, operative employee's requirement greatly reduces, also promote production efficiency, increased output.
Claims (5)
1. the full-automatic broaching machine of machining, comprise broaching machine lathe bed (1) and controller (2), it is characterized in that, at lathe bed (1) straight line feeding manipulator (4), pusher cylinder (6), rotary loading manipulator (7), broaching tool clamping mechanical hand (8), broaching tool chucking cylinder (9), spindle drum (10), frock clamp (12) and broaching machine hydraulic means (13) are installed, described rotary loading manipulator (7) comes mobile and horizontal distance and rotation by serial cylinders (3), is used for product to be processed is installed in above the frock clamp (12); Product to be processed is placed on the straight line feeding manipulator (4), or flow to straight line feeding manipulator (4) by feeding machine, the station corresponding matching that connects material of described straight line feeding manipulator (4) and rotary loading manipulator (7), pusher cylinder (6) is equipped with straight line feeding manipulator (4), be used for promoting product to be processed above rotary loading manipulator (7), rotary loading manipulator (7) rotates between station and the processing stations connecting material; Described broaching tool clamping mechanical hand (8) is arranged on a side of broaching machine spindle drum (10), and the broaching tool that described broaching tool clamping mechanical hand (8) is delivered to broaching tool on the broaching tool chucking cylinder (9) by cylinder (11) clamps station; Described broaching tool chucking cylinder (9) is used for broaching tool is fixed on spindle drum (10), spindle drum (10) is connected with broaching machine hydraulic means (13), under broaching machine hydraulic means (13) drove, broaching tool cooperated processing with product to be processed on being clamped in frock clamp (12) at processing stations; Pusher cylinder (6) blanking of product after the processing by rotary loading manipulator (7) top be to pulp-collecting box, perhaps first in company with rotary loading manipulator (7) rotate to the station that connects material by pusher cylinder (6) blanking again to pulp-collecting box; Broaching machine hydraulic means (13) is oppositely mobile, promotes spindle drum (10) oppositely mobile together with broaching tool, by cylinder (11), broaching tool clamping mechanical hand (8) broaching tool is restored again.
2. the full-automatic broaching machine of machining according to claim 1, it is characterized in that, described feeding machine, comprise elevator (5), be provided with at elevator (5) and initiatively promote sprocket wheel, driven lifting sprocket wheel, lifting chain, lifting step and outer link stopper, lifting chain is arranged on and initiatively promotes between sprocket wheel and the driven lifting sprocket wheel, initiatively promotes sprocket wheel and connects outside power set and drive lower rotation, drives lifting chain and moves back and forth between sprocket wheel and the driven lifting sprocket wheel initiatively promoting; Outward-dipping lifting step is arranged on the lifting chain, follows lifting chain and moves; Product to be processed is placed on the space that promotes between step and the outer link stopper; In the position of outer link stopper line correspondence feeding manipulator (4), be provided with an opening, product to be processed is thus lifted to this aperture position, from promoting the outside landing of step, falls on the straight line feeding manipulator (4) by slideway.
3. the full-automatic broaching machine of machining according to claim 1, it is characterized in that, described straight line feeding manipulator (4) is fixed on rotary loading manipulator (7) left, straight line feeding manipulator (4) is by elevator (5) material loading, remove to respond to straight line feeding manipulator (4) with the inductive switch of correspondence setting whether material is arranged, when material is arranged, promote product above rotary loading manipulator (7) by pusher cylinder (6).
4. the full-automatic broaching machine of machining according to claim 1, it is characterized in that, described rotary loading manipulator (7) comes the mobile and horizontal distance by serial cylinders (3), when product to be processed is pushed the mode fixed product of using clamping above the rotary loading manipulator (7) by pusher cylinder (6), the inductive switch control serial cylinders (3) that is arranged by correspondence moves horizontally disengaging straight line feeding manipulator (4), again by inductive switch control rotary loading manipulator (7), rotate to processing stations, then inductive switch is being controlled serial cylinders (3) and is moved horizontally product is installed in above the broaching machine frock clamp (12).
5. the full-automatic broaching machine of machining according to claim 1, it is characterized in that, described broaching tool clamping mechanical hand (8) is arranged on a side of broaching machine spindle drum (11), described broaching tool clamping mechanical hand (8) is clamped by clamping cylinder control and loosens, when product to be processed is delivered to broaching machine frock clamp position by rotary cylinder, by broaching tool clamping mechanical hand (8|) broaching tool is delivered on the broaching tool chucking cylinder (9) by product, broaching tool clamping mechanical hand (8) promotes inductive switch control displacement by cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465548 CN202715892U (en) | 2012-09-13 | 2012-09-13 | Full-automatic machining broacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465548 CN202715892U (en) | 2012-09-13 | 2012-09-13 | Full-automatic machining broacher |
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| Publication Number | Publication Date |
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| CN202715892U true CN202715892U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220465548 Withdrawn - After Issue CN202715892U (en) | 2012-09-13 | 2012-09-13 | Full-automatic machining broacher |
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| CN (1) | CN202715892U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814546A (en) * | 2012-09-13 | 2012-12-12 | 重庆秋田齿轮有限责任公司机械设备分公司 | Full-automatic horizontal broaching machine |
| CN104827234A (en) * | 2015-04-20 | 2015-08-12 | 怀远县巨龙机械制造有限公司 | Tool clamp used for ring welding of cylinder body workpiece |
| CN105382332A (en) * | 2014-08-22 | 2016-03-09 | 韩国拉床制造株式会社 | Sealling type vertical broaching machine |
| CN107470720A (en) * | 2017-09-21 | 2017-12-15 | 长沙思胜智能设备有限公司 | Cartridge type broaching machine is used in a kind of double hydraulic oil cylinder driving external tooth processing |
| CN107900446A (en) * | 2017-09-21 | 2018-04-13 | 长沙思胜智能设备有限公司 | A kind of large-tonnage spiral broaching machine |
| CN108526975A (en) * | 2018-05-08 | 2018-09-14 | 浙江万向系统有限公司 | A kind of wheel hub garland key automatic improving equipment |
| CN110026605A (en) * | 2019-03-11 | 2019-07-19 | 杭州电子科技大学 | Aircraft engine key part numerical control broaching center and its broaching method |
-
2012
- 2012-09-13 CN CN 201220465548 patent/CN202715892U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814546A (en) * | 2012-09-13 | 2012-12-12 | 重庆秋田齿轮有限责任公司机械设备分公司 | Full-automatic horizontal broaching machine |
| CN102814546B (en) * | 2012-09-13 | 2014-07-23 | 重庆秋田齿轮有限责任公司机械设备分公司 | Full-automatic horizontal broaching machine |
| CN105382332A (en) * | 2014-08-22 | 2016-03-09 | 韩国拉床制造株式会社 | Sealling type vertical broaching machine |
| CN105382332B (en) * | 2014-08-22 | 2017-10-24 | 韩国拉床制造株式会社 | Closed type vertical broaching machine |
| CN104827234A (en) * | 2015-04-20 | 2015-08-12 | 怀远县巨龙机械制造有限公司 | Tool clamp used for ring welding of cylinder body workpiece |
| CN107470720A (en) * | 2017-09-21 | 2017-12-15 | 长沙思胜智能设备有限公司 | Cartridge type broaching machine is used in a kind of double hydraulic oil cylinder driving external tooth processing |
| CN107900446A (en) * | 2017-09-21 | 2018-04-13 | 长沙思胜智能设备有限公司 | A kind of large-tonnage spiral broaching machine |
| CN107900446B (en) * | 2017-09-21 | 2023-12-15 | 长沙思胜智能设备有限公司 | Large-tonnage spiral broaching machine |
| CN108526975A (en) * | 2018-05-08 | 2018-09-14 | 浙江万向系统有限公司 | A kind of wheel hub garland key automatic improving equipment |
| CN110026605A (en) * | 2019-03-11 | 2019-07-19 | 杭州电子科技大学 | Aircraft engine key part numerical control broaching center and its broaching method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20140723 |
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| RGAV | Abandon patent right to avoid regrant |