CN206643455U - A kind of product qualification rate higher door closer rack plunger mill teeth device - Google Patents
A kind of product qualification rate higher door closer rack plunger mill teeth device Download PDFInfo
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- CN206643455U CN206643455U CN201621271637.5U CN201621271637U CN206643455U CN 206643455 U CN206643455 U CN 206643455U CN 201621271637 U CN201621271637 U CN 201621271637U CN 206643455 U CN206643455 U CN 206643455U
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- plunger
- inserted link
- mill teeth
- eccentric side
- cutter head
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Abstract
It the utility model is related to a kind of product qualification rate higher door closer rack plunger mill teeth device, including feeding device, clamping device and topping machanism, the feeding device includes rotatable inserted link, the internal diameter gap of plunger of the diameter of the inserted link with treating mill teeth coordinates, so that after the plunger of mill teeth is inserted in inserted link, inserted link rotation drives plunger rotary to turn, so that the eccentric side of plunger is placed in the downside of inserted link under gravity and effect of inertia when inserted link stops the rotation, thus accurately finds out the eccentric side of plunger；The clamping device includes being used for the fixture for clamping tooth post plug to be milled, topping machanism includes rotatable cutting power-driven cutter head, the plunger of eccentric side is found out by, close to the cutting power-driven cutter head, rack being milled out on the surface of plunger eccentric side by cutting power-driven cutter head after the clamp；Cross and drive plunger rotation using the inserted link coordinated with interporal lacuna in plunger, fast and accurately find the eccentric side of plunger, and complete to position.
Description
Technical field
Door closer Piston Machining equipment technical field is the utility model is related to, particularly a kind of product qualification rate is higher to close
Door device rack plunger mill teeth device.
Background technology
Door closer is the hydraulic press of a spring-like on door leaf, when door unlatching after can by compression after discharge, by door from
It is dynamic to shut, play the role of as single or double acting door, it is ensured that after door is opened, accurately, timely close and arrive initial position.
The operation principle of door closer is：When opening the door, the action of door body drivening rod, and travelling gear is rotated, sliding tooth
Bar plunger is moved, and spring is compressed during plunger motion.After the completion of door opening process, because spring is in opening process
In compressed, the elastic potential energy put aside is released, and by plunger toward reverse push, band nutating gear and door closer connecting rod turn
It is dynamic, make a closing.Although the door closer structure of different manufacturers production, size are variant, principle is identical.
Above-mentioned rack plunger is all that milling shapes on milling machine or gear hobbing shapes on gear-hobbing machine, its specific processing method
It is：The blanking of round steel material is-rough turn cylindrical-to bore the tooth of eccentric endoporus-mill teeth top plane-mill teeth or gear hobbing rack, and Chinese patent is awarded
Power notification number CN102303218B, the processing method and its particular manufacturing craft for disclosing a kind of plunger for door closer, include successively with
Lower step：Cut material, necking, shaping, crowded teeth, turning, carbo-nitriding heat treatment, cylindrical grinding and riveting one-way valve seat, wherein shaping
Including shaping necking head and shaping body, the crowded teeth is that the setting position extruding to the upper surface of plunger forms spline-simulating.
Certain eccentric situation inevitably be present because plunger sheet is as cylinder, during processing, in order to extend rack
The service life of plunger, often rack is processed in the relatively thick side of plunger wall body, therefore when carrying out mill teeth to plunger
Generally require to find the peak of plunger；Existing plunger milling equipment is to judge plunger by installation plunger by hand, naked eyes mostly
Eccentric side, often result in judgement and deviation be present, and influence efficiency.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in construction, easily operated, product qualification rate compared with
High door closer rack plunger mill teeth device.
In order to solve the above technical problems, the door closer rack plunger milling that product qualification rate provided by the utility model is higher
Tooth device, including：Feeding device, clamping device and topping machanism, the feeding device include rotatable inserted link, the inserted link
The internal diameter gap of plunger of the diameter with treating mill teeth coordinates, so that the inserted link under rotation status is inserted after the plunger of mill teeth, inserted link
Rotation drives plunger rotary to turn, so that the eccentric side of plunger is placed under gravity and effect of inertia under inserted link when inserted link stops the rotation
Side, thus accurately find out the eccentric side of plunger；The clamping device includes being used for the fixture for clamping tooth post plug to be milled, described
Topping machanism includes rotatable cutting power-driven cutter head, finds out the plunger of eccentric side by the close cutting after the clamp
Power-driven cutter head, rack is milled out on the surface of plunger eccentric side by cutting power-driven cutter head.
Further, the clamping device also includes translational slide, lower platen, and the bottom of the translational slide sets translation to lead
To bar, in addition to for driving the hydraulic jack of the translational slide movement, so that the translational slide can be led along the translation
To bar translation；The top fixed setting lifting guide rod of the translational slide, the lower platen and the lifting guide rod
Be slidably matched, the fixture is placed in the lower surface of the lower platen so that the translational slide move when, drive fixture it is close or
Away from the topping machanism.
Further, the topping machanism also includes motor and the rotating shaft of rotation, the cutting power-driven cutter head is driven by motor
Be fixedly connected on the side-lower that the fixture is placed in behind the end of the rotating shaft so that translational slide movement rear jig can it is close or
Away from the cutting power-driven cutter head.
Further, the feeding device also includes the sliding seat located at the translational slide side, and the sliding seat is through cunning
Cylinder of taking offence driving can be closer or far from the translational slide；Lift cylinder is set on the sliding seat, the lift cylinder output shaft
Top sets rotary extension cylinder, and the rotary extension cylinder output shaft is fixedly linked with the inserted link, so that rotary extension cylinder
Output shaft rotation drive the inserted link to rotate when stretching out.
Further, door closer rack plunger mill teeth device also includes the feeding chute being obliquely installed, the feeding chute
Upper set is suitable to the matrix passage that plunger rolls, and the discharging opening of the feeding chute is placed in the front end of the inserted link, so that described
When rotary extension cylinder starts in the endoporus of the plunger in the rotatable insertion feeding chute exit of inserted link.
Further, the lower surface of the lower platen sets slide rail, and the fixture includes being placed in the fixation of described slide rail one end
Baffle plate and the die sleeve that can be slided relative to the slide rail, the die sleeve are connected to drive die sleeve to be slided along slide rail with oil cylinder, so that
When the plunger is delivered between fixed dam and die sleeve by feeding device, die sleeve described in hydraulic oil cylinder driving is engaged with fixed dam
Plunger is clamped.
The technique effect of utility model：（1）Door closer of the present utility model rack plunger mill teeth device, relative to existing
Technology, plunger rotation is driven by using the inserted link coordinated with interporal lacuna in plunger, can fast and accurately find the inclined of plunger
Heart side, and complete to position；Using rotatable cutting power-driven cutter head rack, the rack plunger of acquisition are milled out in the eccentric side of plunger
Service life is longer；（2）Translational slide plunger is driven to be moved to cutting power-driven cutter head by hydraulic jack during mill teeth, can be with
The problem of burr is left on surface after plunger mill teeth is effectively avoided, the rack plunger of acquisition is brighter and cleaner, avoids subsequently being polished；
（3）The present apparatus realizes plunger positioning, the automatic continuous production of clamping, mill teeth, and production efficiency improves compared to artificial clamping
3 times, and the rack plunger qualification rate obtained is higher.
Brief description of the drawings
The utility model is described in further detail with reference to Figure of description：
Fig. 1 is the dimensional structure diagram of door closer rack plunger mill teeth device of the present utility model；
Fig. 2 is the top view of door closer rack plunger mill teeth device of the present utility model；
Fig. 3 is Fig. 2 front view.
In figure：Plunger 1, inserted link 11, rotary extension cylinder 12, lift cylinder 13, sliding seat 14, sliding cylinder 15, top plate
21, lower platen 22, lift guide rod 23, translational slide 24, guided in translation bar 25, motor 41, rotating shaft 42, feeding chute 5, splicing
Chute 6, base 7, blanking cylinder 8.
Embodiment
Embodiment 1
As shown in Figure 1 to Figure 3, the easily operated door closer of the present embodiment rack plunger mill teeth device, including：Base
7, feeding device, clamping device and topping machanism are set on the base 7, and clamping device includes translational slide 24, lower platen 22, folder
Have, 2 guided in translation bars 25 are horizontally disposed with base 7, the bottom both sides of translational slide 24 are slided with guided in translation bar 25 respectively
Coordinate, drive translational slide 24 can be relative to the translation gliding of base 7 through hydraulic jack；The top fixed setting 3 of translational slide 24
The vertical lifting guide rod 23 of root, the top fixed setting top plate 21 of the lifting guide rod 23, lower platen 22 are placed in the He of top plate 21
Between translational slide 24, and it is slidably matched with each lifting guide rod 23, the lower platen 22 can lift guide rod through cylinder drives edge
23 carry out lift adjustment；The lower surface of lower platen 22 sets slide rail, and fixture includes the fixed dam for being placed in slide rail one end and can phase
The die sleeve slided for slide rail, die sleeve is slided by hydraulic oil cylinder driving along slide rail, for plunger 1 to be clamped.
Feeding device includes the sliding seat 14 located at the side of translational slide 24, and sliding seat 14 drives reliably through sliding cylinder 15
Close or remote from translational slide 24；Lift cylinder 13 is set on the sliding seat 14, and the top of the output shaft of lift cylinder 13 sets rotation
Turn telescopic cylinder 12, the output shaft of rotary extension cylinder 12 is fixedly connected with inserted link 11；The diameter of the inserted link 11 and the post for treating mill teeth
The internal diameter gap of plug 1 coordinates, so that the inserted link 11 under rotation status is inserted after the plunger 1 of mill teeth, the rotation of inserted link 11 drives post
The rotation of plug 1, so that the eccentric side of plunger 1 is placed in the downside of inserted link 11 under gravity and effect of inertia when inserted link 11 stops the rotation,
Thus the eccentric side of plunger 1 is accurately found out.
Topping machanism includes motor 41 and the rotating shaft 42 of rotation is driven by motor, and the end of the rotating shaft 42 is fixedly connected with cutting
Power-driven cutter head, the cutting power-driven cutter head are placed in the side-lower of fixture, so that by the plunger 1 of clamp after the movement of translational slide 24
Closer or far from cutting power-driven cutter head rack can be milled out by cutting power-driven cutter head on the surface of the eccentric side of plunger 1.
Door closer rack plunger mill teeth device also includes feeding chute 5, the splicing chute 6 being obliquely installed, feeding chute
5th, being set on splicing chute 6 and be suitable to the matrix passage that plunger 1 rolls, the discharging opening of feeding chute 5 is placed in the front end of inserted link 11, with
Make during the startup of rotary extension cylinder 12 in the endoporus for the plunger 1 that inserted link 11 can be inserted into the exit of feeding chute 5；Splicing chute 6 by
Blanking cylinder 8 drives, and is movable to the lower section of fixture, so that the mill teeth of plunger 1 completes rear jig pine folder, plunger 1 can enter splicing
Chute 6.
Embodiment 2
The method of work of the door closer of the embodiment 1 rack plunger mill teeth device, including：
A, the plunger 1 for treating mill teeth is inserted into feeding chute 5 and slide downward, first starts rotary extension cylinder 12 and cause inserted link
11 rotations forward extend out the endoporus of the plunger 1 in the exit of insertion feeding chute 5, while start lift cylinder 13 and cause the band of inserted link 11
Dynamic plunger 1 is lifted off feeding chute 5, and plunger 1 rotates under the drive of inserted link 11；Lift cylinder 13 rises to predeterminated position
Afterwards, rotary extension cylinder 12 stops the rotation so that inserted link 11 is static, in weight when the plunger 1 coordinated with the gap of inserted link 11 stops operating
In the presence of power and inertia, heavier bias is placed on the downside of inserted link 11, thus completes the positioning of the eccentric side of plunger 1.
B, starting sliding cylinder 15 promotes sliding seat 14 is overall to be moved to translational slide 24 so that the post being socketed with inserted link 11
Plug 1 is delivered to the lower section of lower platen 22, is placed between fixed dam and die sleeve.
C, start hydraulic oil cylinder driving die sleeve to move axially along inserted link 11 along slide rail to fixed dam displacement, drive plunger 1, so that
Die sleeve is formed to plunger with fixed dam and clamped, and locked cylinder；It is again started up rotary extension cylinder 12 so that rotary extension gas
The output shaft of cylinder 12, which shrinks, drives inserted link 11 to exit plunger endoporus.
D, motor 41 is started, driving cutting power-driven cutter head rotation, startup hydraulic jack driving translational slide 24, which translates, to be caused
The eccentric side of plunger 1 is close to cutting power-driven cutter head, so that cutting power-driven cutter head mills out rack in the eccentric side of plunger 1, obtains tooth
Bar plunger；After the completion of mill teeth, translational slide 24 resets, and blanking cylinder 8 starts the lower section that driving splicing chute 6 is placed in fixture, oil
Cylinder unlocks and drives end face of the die sleeve away from rack plunger so that rack plunger enters splicing chute 6, completes blanking.
In use, mill teeth depth can be set by adjusting the position of lower platen 22.
Repeat the above steps A to D, you can completes the Continuous maching of multiple plungers, substantially increases mill teeth efficiency.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to obvious changes or variations that spirit of the present utility model is extended out still in the scope of protection of the utility model
Among.
Claims (1)
- A kind of 1. product qualification rate higher door closer rack plunger mill teeth device, it is characterised in that including：Feeding device, Clamping device and topping machanism, the feeding device include rotatable inserted link（11）, the inserted link（11）Diameter and treat mill teeth Plunger（1）Internal diameter gap coordinate so that the inserted link under rotation status（11）The plunger of mill teeth is treated in insertion（1）Afterwards, inserted link （11）Rotation drives plunger（1）Rotation, inserted link（11）Cause plunger when stopping the rotation（1）Eccentric side in gravity and effect of inertia Under be placed in inserted link（11）Downside；The clamping device includes being used to that the plunger of mill teeth will to be treated（1）The fixture of clamping, the cutting Device includes rotatable cutting power-driven cutter head, finds out the plunger of eccentric side（1）By the close cutting after the clamp Power-driven cutter head, rack is milled out on the surface of plunger eccentric side by cutting power-driven cutter head；The clamping device also includes translational slide（24）, lower platen（22）, the translational slide（24）Bottom set translation Guide rod（25）, in addition to for driving the translational slide（24）Mobile hydraulic jack, so that the translational slide（24） Can be along the guided in translation bar（25）Translation；The translational slide（24）Top fixed setting lifting guide rod（23）, The lower platen（22）With the lifting guide rod（23）It is slidably matched, the fixture is placed in the lower platen（22）Lower end Face；The lower platen（22）Lower surface set slide rail, the fixture include be placed in described slide rail one end fixed dam and can The die sleeve slided relative to the slide rail, the die sleeve is connected to drive die sleeve to be slided along slide rail with oil cylinder, so that the plunger （1）After being delivered to by feeding device between fixed dam and die sleeve, die sleeve described in hydraulic oil cylinder driving is engaged with fixed dam by post Plug（1）Clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271637.5U CN206643455U (en) | 2016-11-24 | 2016-11-24 | A kind of product qualification rate higher door closer rack plunger mill teeth device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271637.5U CN206643455U (en) | 2016-11-24 | 2016-11-24 | A kind of product qualification rate higher door closer rack plunger mill teeth device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206643455U true CN206643455U (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621271637.5U Active CN206643455U (en) | 2016-11-24 | 2016-11-24 | A kind of product qualification rate higher door closer rack plunger mill teeth device |
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| CN (1) | CN206643455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098075A (en) * | 2016-11-24 | 2018-06-01 | 丹阳市华清机车配件有限公司 | A kind of door closer rack plunger mill teeth device and its method of work |
| CN108941795A (en) * | 2018-07-28 | 2018-12-07 | 重庆天得力工业有限公司 | A kind of gear-hobbing machine |
-
2016
- 2016-11-24 CN CN201621271637.5U patent/CN206643455U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098075A (en) * | 2016-11-24 | 2018-06-01 | 丹阳市华清机车配件有限公司 | A kind of door closer rack plunger mill teeth device and its method of work |
| CN108098075B (en) * | 2016-11-24 | 2019-07-19 | 丹阳市华清机车配件有限公司 | A kind of door closer rack gear plunger mill teeth device and its working method |
| CN108941795A (en) * | 2018-07-28 | 2018-12-07 | 重庆天得力工业有限公司 | A kind of gear-hobbing machine |
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