CN118002832B - Milling device for machining square hole port of retainer - Google Patents
Milling device for machining square hole port of retainer Download PDFInfo
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- CN118002832B CN118002832B CN202410412443.5A CN202410412443A CN118002832B CN 118002832 B CN118002832 B CN 118002832B CN 202410412443 A CN202410412443 A CN 202410412443A CN 118002832 B CN118002832 B CN 118002832B
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- retainer
- ring
- square hole
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- 238000003801 milling Methods 0.000 title claims abstract description 132
- 238000003754 machining Methods 0.000 title claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims description 60
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses a milling device for machining a square hole port of a retainer, which comprises a square hole milling chassis assembly of the retainer, wherein a centering arm assembly of the outer side surface of the retainer and a centering arm assembly of the inner side surface of the retainer are arranged above the square hole milling chassis assembly of the retainer.
Description
Technical Field
The invention belongs to the technical field of retainer production, and particularly relates to a milling device for machining a square hole port of a retainer.
Background
Cage (i.e., bearing cage, also known as bearing retainer), which refers to a bearing component that partially encloses all or a portion of the rolling elements and moves therewith to isolate the rolling elements, and typically also to guide and retain the rolling elements within the bearing.
The prior art has the following problems: the square hole port of the retainer is machined, namely square holes are milled on the annular retainer, but when the actual square holes are machined, the annular retainer is free when the retainer is machined under the condition that the retainer is not fixed or is not fixed firmly, so that the machined defective rate is high, meanwhile, when the conventional retainer square holes are milled, the conventional retainer square holes are mostly only internally or externally fixed, namely, single-sided fixed, the defective rate is increased due to single-sided stress, and the problem is that if the retainer is fixed on both sides, the retainer cannot be corrected in a centering manner, and the difficulty of milling the subsequent square holes is increased.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a milling device for machining a square hole port of a retainer, which has the characteristic of stable milling.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a milling device that cage square hole port processing was used, includes cage square hole mills chassis subassembly, cage square hole mills chassis subassembly top and is provided with cage lateral surface centering arm subassembly and cage medial surface centering arm subassembly, cage lateral surface centering arm subassembly and cage medial surface centering arm subassembly form the synchronous action of shrink and abduction and possess the cage fixed knot that center was rectified on the chassis subassembly of cage square hole milling, and cage lateral surface centering arm subassembly and cage medial surface centering arm subassembly are in the synchronous shrink and abduction structure that center coincides all the time, form the synchronous shrink punching of many milling stations and abduction reset structure on the chassis subassembly of cage square hole milling.
In the preferable scheme of the milling device for machining the square hole port of the retainer, the square hole milling underframe component of the retainer comprises a movable annular table and a square sliding arm, wherein a plurality of arc-shaped rail tables are fixedly arranged on the inner side surface of the movable annular table, external teeth are fixedly arranged on the outer side surface of the movable annular table, the movable annular table is rotatably arranged on the top end surface of a supporting arm ring through a first supporting ring table and a bearing of the bottom end surface, a milling motor is fixedly arranged at one end of the square sliding arm, a back pushing disc and a universal wheel are fixedly arranged at the other end of the square sliding arm, a back pushing spring is sleeved on the square sliding arm, a square hole milling head is arranged on an output shaft of the milling motor, a plurality of L-shaped inner supporting arms and a plurality of workpiece placing supporting arms are fixedly arranged on the inner side surface of the supporting arm ring at intervals, a center round table is fixedly arranged on the edge of the center round table through a transverse arm, a second supporting ring table is fixedly arranged on the lower side surface of the supporting arm ring through a transverse arc arm, a plurality of ring sliding chute arms are fixedly arranged on the inner side surface of the second supporting ring, a ring sliding chute is fixedly arranged on the inner side surface of the second supporting ring, a driving bevel gear is fixedly arranged on the L-shaped output shaft of the supporting ring, a driving bevel gear is fixedly arranged on the L-shaped output shaft is arranged on the L-shaped servo frame, and the L-shaped output shaft is fixedly arranged on the bottom carrier;
The retainer outer side centering arm assembly comprises a driving ring wheel and an outer side abutting arm, a plurality of first driving arc grooves are formed in the driving ring wheel, a ring wheel center pipe shaft is fixedly arranged below the driving ring wheel through a ring wheel fixing plate, a first bevel gear is fixedly arranged on the outer side below the ring wheel center pipe shaft, a first sliding block is fixedly arranged on the back of the outer side abutting arm through a first supporting end arm, a first poking rod is fixedly arranged at the bottom of the first sliding block, and a first square groove is formed in the top of the outer side abutting arm;
the retainer medial surface centering arm assembly comprises a drive top wheel and a medial surface conflict arm, a plurality of second drive arc grooves are formed in the drive top wheel, an inner arm main shaft rod is fixedly arranged at the bottom of the drive top wheel, a second bevel gear is fixedly arranged at the bottom of the inner arm main shaft rod, a second sliding block is fixedly arranged at the bottom of the medial surface conflict arm through a second supporting end arm, a second toggle rod is fixedly arranged on the second sliding block, and a second square groove is formed in the top of the medial surface conflict arm.
In a preferred scheme of the milling device for processing the square hole port of the retainer, a square chute is formed at the end part of the L-shaped inner support arm, the square chute and the L-shaped inner support arm run through and slide, a back-pushing spring and a milling motor are positioned at two sides of the front end frame body of the L-shaped inner support arm, two ends of the back-pushing spring respectively abut against the back-pushing disc and the front end frame body of the L-shaped inner support arm, and the universal wheel abuts against the arc-shaped rail platform through the pushing of the back-pushing spring.
In a preferable scheme of the milling device for machining the square hole port of the retainer, the tooth-moving gear is meshed with the outer teeth on the outer side of the movable ring table, the movable ring table drives synchronous bidirectional rotation of a plurality of arc-shaped rail tables, and the universal wheels at the rear end of the milling motor are matched with the jacking conflict of the arc-shaped rail tables, so that a plurality of square hole milling heads on the milling motor form a milling station with synchronous inward shrinking action and a synchronous milling station abduction reset.
In a preferred scheme of the milling device for machining the square hole port of the retainer, the center round table is arranged above the second supporting ring table, the center tube shaft of the ring wheel is rotationally connected with the top of the first L-shaped frame through a bearing, the first bevel gear is arranged below the first L-shaped frame, the bottom of the main shaft rod of the inner arm is rotationally connected with the top of the second L-shaped frame through a bearing, and the second bevel gear is arranged below the second L-shaped frame.
In a preferred scheme of the milling device for machining the square hole port of the retainer, the first bevel gear is meshed with the top of the main bevel gear, the second bevel gear is meshed with the bottom of the main bevel gear, the second bevel gear and the first bevel gear are driven to synchronously and coaxially rotate reversely through the main bevel gear, and at the moment, a driving top wheel at the top of the main shaft lever of the inner arm and a driving ring wheel above the central tube shaft of the ring wheel form a synchronous and coaxial reverse rotation structure on the square hole milling underframe component of the retainer.
In a preferred scheme of the milling device for machining the square hole port of the retainer, the first sliding block slides in the ring table sliding groove arm, the driving ring wheel is positioned below the ring table sliding groove arm, the first toggle rod is inserted into the first driving arc groove, the driving ring wheel drives the first driving arc groove to bidirectionally rotate, and a plurality of synchronous inward-shrinking and outward-expanding structures are formed between the outer side abutting arms.
In the preferred scheme of the milling device for machining the square hole port of the retainer, the second sliding block slides in the sliding groove arm on the side of the circular truncated cone, the driving top wheel is located above the central circular truncated cone, the top of the main shaft rod of the inner arm is rotationally connected with the central circular truncated cone through a bearing, the second poking rod is inserted into the second driving arc groove, the driving top wheel drives the second driving arc groove to bidirectionally rotate, and a plurality of inner side surface abutting arms form a synchronous inward-shrinking and outward-expanding structure.
In a preferred scheme of the milling device for machining the square hole port of the retainer, through the abduction of the inner side surface abutting arm and the inward contraction of the outer side surface abutting arm, a double-sided fixing structure for fixing the inner side surface and the outer side surface of the retainer is formed between the inner side surface abutting arm and the outer side surface abutting arm, the second square groove and the first square groove are in straight line opposite connection, and a milling channel of the square hole milling head is formed between the second square groove and the first square groove.
In a preferable scheme of the milling device for machining the square hole port of the retainer, a cantilever structure for temporarily placing the retainer is formed among a plurality of workpiece placing support arms, and the workpiece placing support arms are arranged in gaps between two outer side surface abutting arms and two inner side surface abutting arms.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a retainer outer side centering arm component and a retainer inner side centering arm component form a retainer fixing structure which synchronously moves inwards and outwards and has center correction on a retainer square hole milling chassis component, and the retainer outer side centering arm component and the retainer inner side centering arm component are always in synchronous inwards and outwards moving structures which are synchronously overlapped, in a simple way, when square holes are milled on the retainer, the synchronous inwards moving action of a plurality of outer side abutting arms on the retainer outer side centering arm component is matched with the synchronous outwards moving action of a plurality of inner side abutting arms on the retainer inner side centering arm component to realize synchronous limiting and fixing on the outer side and the inner side of the retainer, the fixing mode ensures that both sides of the retainer are stressed and fixed in such a way that when a subsequent square hole milling head is milled, the milling is stable (compared with the prior art, the invention is equivalent to fixing the two sides of a workpiece by applying force, the retainer can be better limited, the milling dislocation of the workpiece is avoided when square holes are milled), meanwhile, the retainer outer side centering arm component and the retainer inner side centering arm component belong to synchronous actions, and the outer side abutting arms and the inner side abutting arms synchronously and reversely act, so that the synchronous clamping and fixing of the two sides of the retainer are realized, and simultaneously, the plurality of outer side abutting arms and the plurality of inner side abutting arms belong to synchronous abduction and adduction structures, by adopting the mode, the retainer is fixed, the correction of the center of the retainer is realized, the synchronous abutting milling of the subsequent multi-square hole milling stations is facilitated, the processing progress of each milling station of the retainer is consistent, the milling stress is consistent, the synchronous action of the centering arm assembly on the outer side surface of the retainer and the centering arm assembly on the inner side surface of the retainer is synchronously generated by driving the top wheel and driving the ring wheel to coaxially and reversely rotate, the structure ensures the synchronization and simultaneously realizes the convenient fixation of the retainer, and the synchronous inward shrinkage punching and outward expansion resetting actions of the square hole milling stations are realized by the bidirectional rotation of the movable ring table, namely, the rotating force of the movable ring table is converted into the driving force of the synchronous inward shrinkage punching and outward expansion resetting, so that the square hole milling stations are simply and reliably used, and the square hole milling stations belong to the annular distribution.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view of a cage square hole milling chassis assembly of the present invention;
FIG. 4 is a perspective view of a portion of the cage square hole milling chassis assembly of the present invention;
FIG. 5 is a perspective view of a cage outer side centering arm assembly and a cage inner side centering arm assembly of the present invention;
FIG. 6 is a perspective view of an alternate view of the cage outer side centering arm assembly and the cage inner side centering arm assembly of the present invention;
FIG. 7 is an exploded view of the outer side centering arm assembly of the cage of the present invention;
FIG. 8 is an exploded view of the inner side centering arm assembly of the cage of the present invention;
FIG. 9 is a perspective view of a prior art cage of the present invention;
In the figure: 100. milling the square hole of the retainer into the underframe component; 101. a support arm ring; 102. a first support ring table; 103. pushing the disc backwards; 104. external tooth system; 105. a universal wheel; 106. a movable ring table; 107. a push-back spring; 108. square slide arm; 109. arc rail platform; 110. milling a motor; 111. square hole milling head; 112. a toothed gear; 113. a servo motor; 114. a transverse arm; 115. a transverse arc arm; 116. a bottom support arm; 117. a chassis; 118. a driving motor; 119. a first L-shaped frame; 120. a main bevel gear; 121. a second L-shaped frame; 122. a center round table; 123. a round platform side chute arm; 124. a ring table chute arm; 125. a second support ring table; 126. a workpiece placing support arm; 127. an L-shaped inner support arm; 200. centering arm components on the outer side surface of the retainer; 201. driving the ring wheel; 202. a first drive arc slot; 203. a ring wheel fixing plate; 204. a ring wheel center tube shaft; 205. a first bevel gear; 206. a first toggle rod; 207. a first slider; 208. a first support end arm; 209. the outer side surface is abutted against the arm; 210. a first square groove; 300. centering arm components on the inner side surface of the retainer; 301. a second bevel gear; 302. an inner arm main shaft lever; 303. a second slider; 304. the second toggle rod; 305. a second support end arm; 306. the inner side surface is abutted against the arm; 307. a second square groove; 308. driving a top wheel; 309. and a second driving arc groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the invention provides a milling device for machining a square hole port of a retainer, which comprises a square hole milling chassis assembly 100 of the retainer, wherein a retainer outer side centering arm assembly 200 and a retainer inner side centering arm assembly 300 are arranged above the square hole milling chassis assembly 100 of the retainer, the retainer outer side centering arm assembly 200 and the retainer inner side centering arm assembly 300 form a retainer fixing structure which synchronously performs inward shrinkage and outward expansion actions and has center correction on the square hole milling chassis assembly 100, and the retainer outer side centering arm assembly 200 and the retainer inner side centering arm assembly 300 are always in synchronous inward shrinkage and outward expansion structures with center coincident, and a structure with synchronous inward shrinkage and outward expansion resetting of multiple milling stations is formed on the square hole milling chassis assembly 100 of the retainer.
In a preferred embodiment, referring to fig. 3 and 4, the cage square hole milling chassis assembly 100 includes a movable ring table 106 and a square slide arm 108, wherein a plurality of arc-shaped rail tables 109 are fixedly arranged on the inner side surface of the movable ring table 106, external teeth 104 are fixedly arranged on the outer side surface of the movable ring table 106, the movable ring table 106 is rotatably arranged on the top end surface of the support arm ring 101 through a first support ring table 102 and a bearing on the bottom end surface, a milling motor 110 is fixedly arranged on one end of the square slide arm 108, a back push disc 103 and a universal wheel 105 are fixedly arranged on the other end of the square slide arm 108, a back push spring 107 is sleeved on the square slide arm 108, a square hole milling head 111 is arranged on the output shaft of the milling motor 110, a plurality of L-shaped internal support arms 127 and a plurality of workpiece placing support arms 126 are fixedly arranged on the inner side surface of the support arm ring 101 at intervals, and the center of the support arm ring 101 is fixedly provided with a center round platform 122 through a transverse arm 114, the edge of the center round platform 122 is fixedly provided with a plurality of round platform side chute arms 123, the lower side of the support arm ring 101 is fixedly provided with a second support ring platform 125 through a transverse arc arm 115, the inner side surface of the second support ring platform 125 is fixedly provided with a plurality of ring platform chute arms 124, the lower side of the transverse arc arm 115 is fixedly provided with a bottom frame 117 through a bottom support arm 116, the center of the bottom frame 117 is fixedly provided with a first L-shaped frame 119 and a second L-shaped frame 121, the first L-shaped frame 119 is provided with a driving motor 118, the output shaft of the driving motor 118 is fixedly provided with a main cone gear 120, the outer side of the support arm ring 101 is fixedly provided with a servo motor 113, and the output shaft of the servo motor 113 is provided with a tooth gear 112.
In this embodiment, a square chute is formed at the end of the L-shaped inner support arm 127, the square slide arm 108 and the L-shaped inner support arm 127 run through and slide, the back-push spring 107 and the milling motor 110 are located at two sides of the front end frame of the L-shaped inner support arm 127, two ends of the back-push spring 107 respectively abut against the back-push disc 103 and the front end frame of the L-shaped inner support arm 127, and the universal wheel 105 abuts against the arc-shaped rail platform 109 through the pushing of the back-push spring 107.
Secondly, the tooth-moving gear 112 is meshed with the external tooth gear 104 on the outer side of the movable ring table 106, the movable ring table 106 drives synchronous bidirectional rotation of the arc-shaped rail tables 109, and the rear end universal wheels 105 of the milling motors 110 are matched to be abutted against the jacking of the arc-shaped rail tables 109, so that the square hole milling heads 111 on the milling motors 110 form a milling station with synchronous inward shrinking action and synchronous outward expanding resetting of the milling station.
In a preferred embodiment, referring to fig. 7, the cage outer side centering arm assembly 200 includes a driving ring 201 and an outer side abutting arm 209, a plurality of first driving arc grooves 202 are formed on the driving ring 201, a ring center tube shaft 204 is fixedly disposed below the driving ring 201 through a ring fixing plate 203, a first bevel gear 205 is fixedly disposed below the ring center tube shaft 204, a first sliding block 207 is fixedly disposed at the back of the outer side abutting arm 209 through a first supporting end arm 208, a first toggle rod 206 is fixedly disposed at the bottom of the first sliding block 207, and a first square groove 210 is formed at the top of the outer side abutting arm 209.
Next, referring to fig. 3 and 4 again, the first sliding block 207 slides in the ring platform chute arm 124, the driving ring wheel 201 is located below the ring platform chute arm 124, the first toggle rod 206 is inserted into the first driving arc slot 202, and drives the first driving arc slot 202 to rotate bidirectionally through the driving ring wheel 201, and a synchronous retraction and extension structure is formed between the plurality of outer side abutting arms 209.
In a preferred embodiment, referring to fig. 8, the inner side centering arm assembly 300 of the retainer includes a driving top wheel 308 and an inner side abutting arm 306, a plurality of second driving arc grooves 309 are formed on the driving top wheel 308, an inner arm main shaft rod 302 is fixedly disposed at the bottom of the driving top wheel 308, a second bevel gear 301 is fixedly disposed at the bottom of the inner arm main shaft rod 302, a second sliding block 303 is fixedly disposed at the bottom of the inner side abutting arm 306 through a second supporting end arm 305, a second toggle rod 304 is fixedly disposed on the second sliding block 303, and a second square groove 307 is formed at the top of the inner side abutting arm 306.
Next, referring to fig. 3 and 4 again, the center circular table 122 is above the second support ring table 125, the ring wheel center tube shaft 204 is rotatably connected to the top of the first L-shaped frame 119 through a bearing, the first bevel gear 205 is located below the first L-shaped frame 119, the bottom of the inner arm main shaft 302 is rotatably connected to the top of the second L-shaped frame 121 through a bearing, and the second bevel gear 301 is located below the second L-shaped frame 121.
In this embodiment, the first bevel gear 205 is meshed with the top of the main bevel gear 120, the second bevel gear 301 is meshed with the bottom of the main bevel gear 120, and the main bevel gear 120 drives the second bevel gear 301 and the first bevel gear 205 to synchronously and coaxially rotate in opposite directions, so that the driving top wheel 308 at the top of the main shaft 302 of the inner arm and the driving ring wheel 201 above the ring wheel center tube shaft 204 form a synchronous and coaxial reverse rotation structure on the square hole milling chassis assembly 100 of the retainer.
Referring to fig. 3-7, the second sliding block 303 slides in the chute arm 123 at the side of the round table, the driving top wheel 308 is located above the center round table 122, the top of the main shaft 302 of the inner arm is rotatably connected with the center round table 122 through a bearing, the second toggle rod 304 is inserted into the second driving arc slot 309, and the driving top wheel 308 drives the second driving arc slot 309 to bidirectionally rotate, so that a synchronous inward-shrinking and outward-expanding structure is formed between the multiple inner side abutting arms 306.
In this embodiment, a cantilever structure for temporary placement of the cage is formed between the plurality of workpiece placement arms 126, the workpiece placement arms 126 are disposed in the gap between the two outer side surface supporting arms 209 and the two inner side surface supporting arms 306, and the inner side surface supporting arms 306 are extended and the outer side surface supporting arms 209 are retracted to form a double-sided fixing structure for fixing the inner side surface and the outer side surface of the cage between the inner side surface supporting arms 306 and the outer side surface supporting arms 209, the second square groove 307 and the first square groove 210 are aligned and are opposite, and a milling channel of the square hole milling head 111 is formed between the second square groove 307 and the first square groove 210.
According to the invention, rubber pads are arranged on the inner walls of the plurality of outer side abutting arms 209 and the outer walls of the plurality of inner side abutting arms 306, so that the retainer is protected and double-sided fixing and clamping damage is avoided.
In summary, when the square hole of the actual cage is milled, a bracket structure for placing the cage is formed between the plurality of workpiece placing support arms 126, at this time, the driving motor 118 drives the main bevel gear 120 to rotate, and since the top of the main bevel gear 120 is meshed with the first bevel gear 205 and the bottom is meshed with the second bevel gear 301, the coaxial reverse rotation of the inner arm main shaft lever 302 and the ring wheel center tube shaft 204 is realized by one rotation of the driving motor 118, and the coaxial reverse rotation of the driving ring wheel 201 and the driving top wheel 308 is realized.
On the basis of the above, when the top wheel 308 is driven to rotate clockwise, the second sliding block 303 slides linearly and limitedly in the circular platform side chute arm 123, the second toggle rod 304 is inserted in the second driving arc groove 309, when the top wheel 308 is driven to rotate clockwise, the second driving arc groove 309 has an outward poking force to the second toggle rod 304, synchronous poking of the plurality of second toggle rods 304 by the plurality of second driving arc grooves 309 is achieved, synchronous abduction movement of the plurality of inner side abutting arms 306 is achieved, when the driving ring wheel 201 rotates (because the driving ring wheel 308 rotates synchronously, and the rotating direction is opposite, the driving ring wheel 201 rotates anticlockwise), at this moment, the first sliding block 207 slides linearly in the circular platform chute arm 124, at the same time, the first toggle rod 206 is inserted in the first driving arc groove 202, when the driving ring wheel 201 rotates anticlockwise, the first driving arc groove 202 generates an inward force to the first lever 206, the outer side abutting arms 209 shrink inwards, the plurality of first driving arc grooves 202 generate a plurality of inner side abutting arms 209, and the outer side abutting arms shrink inwards, thereby guaranteeing that the inner side and outer side abutting of the plurality of driving arc frames are continuously processed synchronously, and the inner side abutting frames are stably processed.
In this embodiment, the synchronous inward contraction sliding of the plurality of outer side abutting arms 209 and the synchronous outward expansion movement of the plurality of inner side abutting arms 306 are realized by driving the top wheel 308 and driving the ring wheel 201 to synchronously and coaxially rotate in opposite directions, so that on one hand, the double-side fixing action is stable and reliable and simultaneously (without complex mechanical participation and excessive motor participation, so that the device is low in use and maintenance cost), and on the other hand, by the action of the ring-motion synchronous driving, the effective position correction can be performed when the retainer is fixed, namely, the center of the retainer coincides with the center of the plurality of outer side abutting arms 209 and the center of the plurality of inner side abutting arms 306, and the center correction is used for facilitating the matched milling processing of a plurality of square hole milling stations of subsequent ring-setting.
On the basis of the above, the top ring of the square hole milling underframe assembly 100 of the retainer is provided with a plurality of groups of milling stations consisting of the milling motor 110 and the square hole milling heads 111, after the retainer is fixed in place, the plurality of square hole milling heads 111 which are annularly arranged at the moment synchronously retract to realize synchronous milling of a plurality of directions of the retainer, after the milling is finished, the plurality of square hole milling heads 111 are moved backwards to realize resetting of the plurality of square hole milling heads 111.
On the basis of the above, the universal wheels 105 are pushed by the backward pushing springs 107 and are pushed against the arc-shaped rail platforms 109, the movable ring platforms 106 drive the synchronous bidirectional rotation of the arc-shaped rail platforms 109, the universal wheels 105 at the rear ends of the milling motors 110 are matched with the pushing and pushing of the arc-shaped rail platforms 109, so that the square hole milling heads 111 on the milling motors 110 form synchronous inward-shrinkage milling stations and synchronous outward-shrinkage reset of the synchronous milling stations, the inward-shrinkage milling of the square hole milling heads 111 is realized, after the milling is finished, the movable ring platforms 106 are reversely rotated, at the moment, the square hole milling heads 111 on the milling motors 110 form synchronous backward-shrinkage reset actions through the pushing of the backward pushing springs 107, and the synchronous inward-shrinkage and outward-shrinkage reset of the milling stations can be realized through the forward rotation and the backward rotation of the movable ring platforms 106, namely, the synchronous inward-shrinkage milling and backward-shrinkage reset of the milling stations can be realized through the rotation of one ring platform.
In another embodiment of the invention, dust collection devices can be arranged at the top and the bottom of the device, so that the scraps from milling can be cleaned in time.
The working principle of the invention is as follows: the retainer outer side centering arm assembly 200 and the retainer inner side centering arm assembly 300 form a retainer fixing structure which is synchronously retracted and extended and provided with center correction on the retainer square hole milling chassis assembly 100, and the retainer outer side centering arm assembly 200 and the retainer inner side centering arm assembly 300 are always in a synchronous retracted and extended structure which is synchronously overlapped, in a simple way, when square holes are milled on the retainer, the synchronous retraction actions of the plurality of outer side abutting arms 209 on the retainer outer side centering arm assembly 200 are matched with the synchronous extension actions of the plurality of inner side abutting arms 306 on the retainer inner side centering arm assembly 300 to realize synchronous limiting and fixing on the outer side and the inner side of the retainer, and the fixing mode ensures that both sides of the retainer are stressed and fixed in such a way that when the following square hole milling head 111 is milled, the milling is stable (compared with the prior art, the invention is equivalent to fixing the two sides of a workpiece by applying force, the retainer can be better limited, the milling dislocation of the workpiece is avoided when square holes are milled), meanwhile, the retainer outer side centering arm assembly 200 and the retainer inner side centering arm assembly 300 belong to synchronous actions, and the outer side abutting arm 209 and the inner side abutting arm 306 synchronously and reversely act when synchronously acting, thereby realizing synchronous clamping and fixing of the two sides of the retainer, and simultaneously, the plurality of outer side abutting arms 209 and the plurality of inner side abutting arms 306 belong to synchronous abduction and adduction structures, by adopting the mode, the retainer is fixed, the correction of the center of the retainer is realized, and the synchronous abutting milling of subsequent multi-square hole milling stations is further facilitated, so that the processing progress of each milling station of the retainer is consistent, the synchronous actions of the centering arm assembly 200 on the outer side surface of the retainer and the centering arm assembly 300 on the inner side surface of the retainer are synchronously generated through the coaxial reverse rotation of the driving top wheel 308 and the driving ring wheel 201, the structure ensures the synchronization and simultaneously realizes the convenient fixation of the retainer, the actions of synchronous inward shrinkage punching and outward expansion resetting of the plurality of square hole milling stations are realized through the bidirectional rotation of the movable ring table 106, namely, the rotating force of the movable ring table 106 is converted into the driving force of synchronous inward shrinkage punching and outward expansion resetting, so that the plurality of square hole milling stations are easy and convenient to use and reliable, and the plurality of square hole milling stations belong to the annular arrangement distribution.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Milling device for processing square hole ports of retainers, comprising a square hole milling chassis assembly (100) of the retainers, and being characterized in that: a retainer outer side centering arm assembly (200) and a retainer inner side centering arm assembly (300) are arranged above the retainer square hole milling underframe assembly (100), the retainer outer side centering arm assembly (200) and the retainer inner side centering arm assembly (300) form a retainer fixing structure which performs inward shrinkage and outward expansion synchronous actions and is provided with center correction on the retainer square hole milling underframe assembly (100), the retainer outer side centering arm assembly (200) and the retainer inner side centering arm assembly (300) are always in synchronous inward shrinkage and outward expansion structures with center coincident, and the retainer square hole milling underframe assembly (100) forms a structure with multiple milling stations for synchronous inward shrinkage, punching and outward expansion resetting;
The cage square hole milling underframe assembly (100) comprises a movable ring table (106) and square sliding arms (108), a plurality of arc-shaped rail tables (109) are fixedly arranged on the inner side surface of the movable ring table (106), external teeth (104) are fixedly arranged on the outer side surface of the movable ring table (106), the movable ring table (106) is rotationally arranged on the top end surface of a supporting arm ring (101) through a first supporting ring table (102) and a bearing of the bottom end surface, a milling motor (110) is fixedly arranged at one end of the square sliding arms (108), a back pushing disc (103) and universal wheels (105) are fixedly arranged at the other end of the square sliding arms (108), a back pushing spring (107) is sleeved on the inner side surface of the square sliding arms (108), square hole milling heads (111) are arranged on the output shaft of the milling motor (110), a plurality of L-shaped inner supporting arms (127) and a plurality of workpiece placing supporting arms (126) are fixedly arranged on the inner side surface of the supporting arm ring (101) at intervals, a center (122) is fixedly arranged on the top end surface of the supporting ring through a transverse arm (114), a center (122) is fixedly arranged on the center ring (125) of the supporting ring (101), a plurality of sliding grooves (125) are fixedly arranged on the inner side surface of the supporting ring (125) of the supporting ring (124), a bottom frame table (117) is fixedly arranged below the transverse arc arm (115) through a bottom supporting arm (116), a first L-shaped frame (119) and a second L-shaped frame (121) are fixedly arranged in the center of the bottom frame table (117), a driving motor (118) is arranged on the first L-shaped frame (119), a main bevel gear (120) is fixedly arranged on an output shaft of the driving motor (118), a servo motor (113) is fixedly arranged on the outer side of the supporting arm ring (101), and a tooth-shaped gear (112) is arranged on an output shaft of the servo motor (113);
The retainer outer side centering arm assembly (200) comprises a driving ring wheel (201) and an outer side abutting arm (209), a plurality of first driving arc grooves (202) are formed in the driving ring wheel (201), a ring wheel center pipe shaft (204) is fixedly arranged below the driving ring wheel (201) through a ring wheel fixing plate (203), a first bevel gear (205) is fixedly arranged on the outer side below the ring wheel center pipe shaft (204), a first sliding block (207) is fixedly arranged on the back of the outer side abutting arm (209) through a first supporting end arm (208), a first poking rod (206) is fixedly arranged at the bottom of the first sliding block (207), and a first square groove (210) is formed in the top of the outer side abutting arm (209);
The retainer medial surface centering arm assembly (300) comprises a driving top wheel (308) and a medial surface conflict arm (306), a plurality of second driving arc grooves (309) are formed in the driving top wheel (308), an inner arm main shaft rod (302) is fixedly arranged at the bottom of the driving top wheel (308), a second bevel gear (301) is fixedly arranged at the bottom of the inner arm main shaft rod (302), a second sliding block (303) is fixedly arranged at the bottom of the medial surface conflict arm (306) through a second supporting end arm (305), a second toggle rod (304) is fixedly arranged on the second sliding block (303), and a second square groove (307) is formed in the top of the medial surface conflict arm (306).
2. A milling device for machining a square hole port of a cage according to claim 1, wherein: square sliding grooves are formed in the end portions of the L-shaped inner support arms (127), the square sliding arms (108) and the L-shaped inner support arms (127) penetrate through and slide, the backward pushing springs (107) and the milling motors (110) are located on two sides of the front end frame body of the L-shaped inner support arms (127), two ends of the backward pushing springs (107) respectively abut against the backward pushing disc (103) and the front end frame body of the L-shaped inner support arms (127), and the universal wheels (105) abut against the arc-shaped rail platform (109) through pushing of the backward pushing springs (107).
3. A milling device for machining a square hole port of a cage according to claim 1, wherein: the movable ring table (106) drives synchronous bidirectional rotation of a plurality of arc-shaped rail tables (109), and the universal wheels (105) at the rear ends of the milling motors (110) are matched with the jacking and pressing of the arc-shaped rail tables (109) to enable the square hole milling heads (111) on the milling motors (110) to form a milling station capable of synchronously shrinking inwards and a synchronous milling station capable of outwards resetting.
4. A milling device for machining a square hole port of a cage according to claim 1, wherein: the center round platform (122) is above the second support ring platform (125), the ring wheel center tube shaft (204) is rotationally connected with the top of the first L-shaped frame (119) through a bearing, the first bevel gear (205) is located below the first L-shaped frame (119), the bottom of the inner arm main shaft rod (302) is rotationally connected with the top of the second L-shaped frame (121) through a bearing, and the second bevel gear (301) is located below the second L-shaped frame (121).
5. A milling device for machining a square hole port of a cage according to claim 1, wherein: the first conical gear (205) is meshed with the top of the main conical gear (120), the second conical gear (301) is meshed with the bottom of the main conical gear (120), the second conical gear (301) and the first conical gear (205) are driven by the main conical gear (120) to synchronously and coaxially rotate reversely, and at the moment, a driving top wheel (308) at the top of the inner arm main shaft lever (302) and a driving ring wheel (201) above the ring wheel central tube shaft (204) form a synchronous and coaxial reverse rotation structure on the cage square hole milling underframe assembly (100).
6. A milling device for machining a square hole port of a cage according to claim 1, wherein: the first sliding block (207) slides in the ring platform chute arm (124), the driving ring wheel (201) is located below the ring platform chute arm (124), the first toggle rod (206) is inserted into the first driving arc groove (202), the driving ring wheel (201) drives the first driving arc groove (202) to rotate bidirectionally, and a plurality of outer side surface contact arms (209) form a synchronous inward-shrinkage and outward-expansion structure.
7. A milling device for machining a square hole port of a cage according to claim 1, wherein: the second sliding block (303) slides in the round platform side chute arm (123), the drive top wheel (308) is located center round platform (122) top, interior arm owner axostylus axostyle (302) top is connected with center round platform (122) rotation through the bearing, in second drive arc groove (309) were inserted to second stirring rod (304), through drive top wheel (308) drive second drive arc groove (309) both-way rotation, a plurality of form synchronous intussuseption and abduction structure between medial surface conflict arm (306).
8. A milling device for machining a square hole port of a cage according to claim 1, wherein: through the abduction of medial surface conflict arm (306) and the action of shrinking in lateral surface conflict arm (209), make form the two-sided fixed knot who is used for fixed holder medial surface and lateral surface between medial surface conflict arm (306) and lateral surface conflict arm (209), second square groove (307) and first square groove (210) are in straight line and are just right, and form the milling channel of square hole milling head (111) between second square groove (307) and the first square groove (210).
9. A milling device for machining a square hole port of a cage according to claim 1, wherein: a cantilever structure for temporarily placing the retainer is formed among the plurality of workpiece placement support arms (126), and the workpiece placement support arms (126) are arranged in gaps between the two outer side surface abutting arms (209) and the two inner side surface abutting arms (306).
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| CN202410412443.5A CN118002832B (en) | 2024-04-08 | 2024-04-08 | Milling device for machining square hole port of retainer |
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| CN117428234A (en) * | 2023-11-23 | 2024-01-23 | 新昌县万利轴承有限公司 | Shaft sleeve milling finish machining equipment and process |
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| CN207642814U (en) * | 2017-12-04 | 2018-07-24 | 山东豪迈重工有限公司 | A kind of pipe fitting end processing unit (plant) |
| AT521096A1 (en) * | 2018-04-13 | 2019-10-15 | Alpine Metal Tech Gmbh | Method for creating 3D machining data of a motor vehicle rim |
| CN113977321B (en) * | 2021-11-26 | 2023-04-25 | 晶澳(无锡)光伏科技有限公司 | Milling fixture device |
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| CN117428236A (en) * | 2023-12-07 | 2024-01-23 | 大连裕隆机械制造有限公司 | Milling device for square hole port of retainer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103357929A (en) * | 2013-07-08 | 2013-10-23 | 安徽力成机械装备有限公司 | Numerical control milling machine for retainer window |
| CN117428234A (en) * | 2023-11-23 | 2024-01-23 | 新昌县万利轴承有限公司 | Shaft sleeve milling finish machining equipment and process |
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