CN111673502A - Numerical control machining fixing clamp for end cover of accessory of speed reducer shell - Google Patents
Numerical control machining fixing clamp for end cover of accessory of speed reducer shell Download PDFInfo
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- CN111673502A CN111673502A CN202010564978.6A CN202010564978A CN111673502A CN 111673502 A CN111673502 A CN 111673502A CN 202010564978 A CN202010564978 A CN 202010564978A CN 111673502 A CN111673502 A CN 111673502A
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- 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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Abstract
The invention relates to a numerical control machining fixing clamp for an end cover of a shell accessory of a speed reducer, which comprises a workbench and a clamping mechanism, wherein the lower end face of the workbench is arranged on the existing working ground, and the upper end face of the workbench is provided with the clamping mechanism.
Description
Technical Field
The invention relates to the technical field of machining of speed reducers, in particular to a fixing clamp for numerical control machining of end covers of accessories of a speed reducer shell.
Background
The reducer is an independent part consisting of gear transmission, worm transmission, gear and worm transmission enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an execution mechanism, is widely applied in modern machinery, mainly consists of transmission parts, shafts, bearings, a box body and accessories thereof, wherein the accessories comprise a breather, an end cover, a bearing cover, a positioning pin and the like, the end cover is a rear cover which is arranged behind a shell of a motor, the reducer and the like and mainly consists of a cover body, the bearings and an electric brush piece, the processing treatment of the end cover mainly comprises the working procedures of drilling, turning and milling, boring, tapping, trimming (deburring, chamfering) and the like, but the following problems can occur in the processing process of the end cover:
1. when the end cover is subjected to multi-surface processing, the conversion between processing surfaces is usually in a manual conversion mode, the mode needs to repeatedly clamp the end cover, the installation of the end cover and the direct connection between the end cover and a processing structure are easily influenced greatly due to human factors in the repeated clamping process, and meanwhile, the size of the processing end cover aimed by a common processing device is single, and the overall utilization rate of the processing device is low;
2. the clamping structure is directly and rigidly contacted with the end cover, and the probability of deformation of the contact part on the surface of the end cover is easily increased due to the direct rigid contact.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that the fixing clamp for numerical control machining of the end cover of the accessory of the speed reducer shell comprises a workbench and a clamping mechanism, wherein the lower end face of the workbench is installed on the existing working ground, and the upper end face of the workbench is provided with the clamping mechanism.
The clamping mechanism comprises an electric push rod, a bottom supporting plate, an inner supporting column, clamping plates, a connecting plate, an electric sliding block I, a fixed plate, a connecting shaft, a vertical plate, a rotating shaft, a belt, a motor and an auxiliary clamping group, wherein the electric push rod is symmetrically arranged in the middle of the upper end surface of the workbench from front to back, the upper end surface of the electric push rod is connected with the lower end surface of the bottom supporting plate, the inner supporting column is arranged in the middle of the upper end surface of the bottom supporting plate, the clamping plates are symmetrically arranged on the left side and the right side of the inner supporting column in front and back, an included angle between each clamping plate and the inner supporting column is 45 degrees, the connecting plate is arranged at the outer side end of the clamping plate which is right opposite from front to back, the electric sliding block I is arranged in the middle of the inner side end surface of the fixed plate in a sliding fit mode, the connecting shaft, the lower end of the vertical plate is arranged on the upper end face of the workbench, a rotating shaft is arranged between the lower ends of the vertical plates through a bearing, the rotating shaft is positioned at the rear side of an electric push rod at the rear end of the middle part of the upper end face of the workbench, the rotating shaft is connected with a connecting shaft through a belt, the belt is positioned between the outer end face of a fixed plate and the inner end face of the vertical plate, the right end of the rotating shaft is connected with the output shaft end of a motor, the motor is positioned at the right side of the vertical plate at the right end of the rotating shaft, the lower end of the motor is arranged on the upper end face of the workbench, auxiliary clamping groups are symmetrically arranged on the upper and lower end faces of the clamping plates, an inner ring of the end cover is clamped on an inner supporting column in a manual mode, then, a first electric slider drives the connecting plate to move inwards, the connecting plate, the end cover is clamped in the vertical direction through the auxiliary clamping group, then the connecting plate is driven to move upwards through the electric sliding block, the clamping plate and the auxiliary clamping group clamp the end cover to move corresponding distance along with the connecting plate in a synchronous mode, in the process, the bottom support plate is driven to move downwards through the electric push rod, the bottom support plate drives the inner support column to move corresponding distance in a synchronous mode, then the motor drives the rotating shaft to rotate, the rotating shaft drives all connecting shafts to rotate synchronously through the belt, the connecting shafts drive the fixing plate to rotate synchronously, then the clamping plate and the auxiliary clamping group clamp the end cover to rotate synchronously until the lower end face of the end cover rotates to the upper side, the end cover is in a horizontal state at the moment, then the bottom support plate is driven to move upwards through the electric push rod, the inner support column moves along with the bottom support plate in a synchronous mode to.
The auxiliary clamping group comprises a vertical plate, a circular ring plate, a second electric slider and a clamping plate, the inner side end face of the vertical plate is connected with the middle of the outer side end face of the clamping plate, the circular ring plate is installed at the upper end of the inner side end face of the vertical plate and is located above the upper end face of the clamping plate, the second electric slider is installed at the upper end of the circular ring plate in a sliding fit mode, the second electric slider is installed in a block through groove, the block through groove is formed in the lower end of the inner side end face of the clamping plate, a sliding fit mode is formed between the outer side end face of the clamping plate and the upper end of the inner side end face of the vertical plate, the vertical plate is driven to move inwards along the circular ring plate through the second electric slider until the inner side end face of the vertical plate is tightly attached to the outer side end face of the end cover.
As a preferred technical scheme of the invention, circular collar plates are equidistantly arranged on an inner supporting column from top to bottom, circular arc through grooves are formed in the upper end face of each circular collar plate, the circular arc through grooves are uniformly distributed along the circumferential direction of the circular collar plates, the included angle between every two adjacent circular arc through grooves is 90 degrees, circular arc electric sliders are arranged in the circular arc through grooves in a sliding fit mode, pushing rods are arranged at the inner side ends of the circular arc electric sliders, circular arc supporting plates are arranged on the outer sides of the inner supporting column, the circular arc supporting plates are uniformly distributed along the circumferential direction of the inner supporting column, the included angle between every two adjacent circular arc supporting plates is 90 degrees, the circular arc supporting plates are integrally formed into a circular structure, non-normal-phase structures are formed between the circular arc supporting plates and the circular arc through grooves, lug plate pairs are symmetrically arranged on the upper and lower sides of the inner side faces of the circular arc supporting plates, the lug plate pairs, drive the catch bar through the motion of circular arc logical groove inboard or outside through the circular arc, the outside end of catch bar rotates around the round pin axle, the catch bar drives circular arc fagging simultaneous movement simultaneously, when the motion of circular arc electric slider inboard, interval between circular arc fagging and the interior stay reduces, when the motion of circular arc electric slider to the outside, interval increase between circular arc fagging and the interior stay, the circular arc electric slider promptly, the catch bar, the function that radial dimension's expansion and reduction can be realized in the cooperation between the circular arc fagging, with the end cover clamping of the different internal diameter size of adaptation within a certain range, and then can improve the holistic rate of adaptation of device.
As a preferred technical scheme of the invention, the inner side end face of the connecting plate is provided with electric sliding plates in a vertically symmetrical mode in a sliding fit mode, the inner side end face of each electric sliding plate is provided with gear teeth at equal intervals from front to back, the inner side of each electric sliding plate is provided with an incomplete gear, the incomplete gears and the gear teeth are in a sliding fit mode, the incomplete gears are arranged on a fixed shaft in a sliding fit mode, the lower end of the fixed shaft is arranged on the upper end face of a workbench, the inner side ends of the incomplete gears in the vertical direction are provided with lantern rings, the lantern rings are arranged on the fixed shaft through bearings, the inner side ends of the lantern rings are connected with the outer side ends of the clamping plates, the gear teeth which are respectively connected are driven by the electric sliding plates which are right opposite up and down to each other to synchronously move in opposite, the distance between the front and rear opposite clamping plates is enlarged or reduced, so that the end covers with different outer diameters are clamped, and the integral utilization rate of the device can be improved.
According to a preferable technical scheme, rectangular grooves are formed in the inner side end face of the clamping plate at equal intervals from inside to outside, a compression spring is installed on the inner side wall of the outer side of each rectangular groove, a moving block is installed at the inner side end of each compression spring, the moving block is in sliding fit with the rectangular grooves, the inner side end of each moving block is of an outward convex arc structure, when the end cover is in contact with the moving block, the moving block is pressed to move towards the rectangular grooves when the end cover is in sliding fit with the rectangular grooves, the moving block pops out of the rectangular grooves under the action of the compression spring when the end cover is separated from the moving block, and after the end cover is clamped by the end clamping plate, the popping-out moving block plays a role in assisting limiting and fixing on the end cover, so that the overall stability of the end.
As a preferred technical scheme of the invention, an elastic belt is arranged on the inner side of the lantern ring, the elastic belt is arranged between the inner side ends of the front and rear opposite clamping plates and is positioned on the outer side of the moving block on the outermost side of the inner side end of the clamping plate, and in the process of clamping the end cover by the clamping plate, the elastic belt stretches outwards under the pressing action of the end cover.
As a preferred technical scheme of the invention, an elastic block is mounted on the outer end face of the arc supporting plate, the outer end face of the elastic block is of a concave-convex structure, the elastic block can reduce the deformation degree of the contact part of the surface of the inner ring of the circular end cover and the arc supporting plate and has the functions of buffering and damping the end cover, and meanwhile, the concave-convex structure on the elastic belt can increase the friction force between the arc supporting plate and the surface of the inner ring of the end cover, so that the clamping degree of the inner support of the arc supporting plate and the inner ring of the end cover is improved.
As a preferred technical scheme of the invention, the memory rubber layers are arranged on the inner side end face of the clamping plate and the inner side end face of the clamping plate, the memory rubber layers can protect the contact parts between the end cover surface and the clamping plate and between the end cover surface and the clamping plate, the deformation phenomena such as recess and the like caused by rigid contact of the end cover surface can be avoided, and meanwhile, the memory rubber layers can increase the friction force between the clamping plate and the end cover surface, so that the integral clamping degree of the end cover is improved.
(II) advantageous effects
1. According to the numerically-controlled machining fixing clamp for the end cover of the shell accessory of the speed reducer, the end cover of the shell accessory of the speed reducer is fixed in a numerically-controlled machining mode by adopting a design concept of multiple clamping and controllable structures, the clamping mechanism can be used for integrally realizing rapid and stable conversion among different machining surfaces of the end cover, the integral machining speed of the end cover is further improved, errors caused by clamping of the end cover due to human factors are avoided, and meanwhile, other structures with clamping effects are additionally arranged to improve the integral stability degree in the machining process of the end cover;
2. the cooperation between the auxiliary clamping group and the clamping plate avoids the phenomenon of deflection or falling off of the end cover in the rotating process, so that the stable conversion between the upper end surface and the lower end surface of the end cover is realized, and the phenomenon of non-positive butt joint between the end cover and the inner supporting column is avoided;
3. the arc electric sliding block, the push rod and the arc supporting plate are matched to realize the functions of expanding and reducing the overall radial size of the arc supporting plate so as to adapt to the clamping of end covers with different inner diameter sizes in a certain range, and further improve the overall utilization rate of the device;
4. the elastic block and the memory rubber layer both play roles in buffering, damping and protecting the contact position between the end cover and the clamping and fixing structure so as to avoid the deformation phenomena of the end cover surface such as recess and the like caused by rigid contact, and simultaneously, the elastic block and the memory rubber layer can also realize the integral clamping degree in the end cover;
5. the elastic belt can enable the left side and the right side of the electric end cover to simultaneously receive inward thrust given by the electric end cover so as to perform auxiliary clamping on the end cover, and the clamping degree of the end cover can be greatly improved by the cooperation between the elastic belt and the clamping plate so that the end cover is not easy to deviate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a second cross-sectional view of the present invention;
FIG. 4 is a third cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention in section X of FIG. 2;
FIG. 6 is an enlarged view of the Y-direction portion of FIG. 3 of the present invention;
FIG. 7 is an enlarged view of the invention in the Z-direction of FIG. 4;
fig. 8 is an enlarged view of the invention in the direction of M of fig. 4.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 8, the fixing clamp for numerical control machining of the end cover of the accessory of the speed reducer shell comprises a workbench 1 and a clamping mechanism 2, wherein the lower end face of the workbench 1 is installed on the existing working ground, and the clamping mechanism 2 is installed on the upper end face of the workbench 1.
The clamping mechanism 2 comprises an electric push rod 20, a bottom support plate 21, an inner support column 22, clamping plates 23, connecting plates 24, a first electric slide block 25, a fixing plate 26, a connecting shaft 27, a vertical plate 28, a rotating shaft 29, a belt 210, a motor 211 and an auxiliary clamping group 212, wherein the electric push rod 20 is symmetrically arranged in the middle of the upper end surface of the workbench 1 from front to back, the upper end surface of the electric push rod 20 is connected with the lower end surface of the bottom support plate 21, the inner support column 22 is arranged in the middle of the upper end surface of the bottom support plate 21, the clamping plates 23 are symmetrically arranged on the left side and the right side of the inner support column 22 from front to back, the included angle between the clamping plates 23 and the inner support column 22 is 45 degrees, the connecting plates 24 are arranged on the outer side ends of the clamping plates 23 which are right opposite from front to back, the first electric slide block 25 is arranged in the middle of the outer side, a connecting shaft 27 is arranged in the middle of the outer end face of the fixed plate 26, the outer end of the connecting shaft 27 is arranged at the upper end of the vertical plate 28 through a bearing, the lower end of the vertical plate 28 is arranged at the upper end face of the workbench 1, a rotating shaft 29 is arranged between the lower ends of the vertical plates 28 through a bearing, the rotating shaft 29 is arranged at the rear side of the electric push rod 20 at the rear end of the middle of the upper end face of the workbench 1, the rotating shaft 29 is connected with the connecting shaft 27 through a belt 210, the belt 210 is arranged between the outer end face of the fixed plate 26 and the inner end face of the vertical plate 28, the right end of the rotating shaft 29 is connected with the output shaft end of a motor 211, the motor 211 is arranged at the right side of the vertical plate 28 at the right end of the rotating shaft 29, the lower end of the motor 211 is arranged at the upper end face of the workbench 1, auxiliary clamping sets 212 are, then, the connecting plate 24 is driven to move inwards by the first electric slider 25, the connecting plate 24 drives the clamping plates 23 to synchronously move until the end covers 23 are clamped and fixed in a matching manner, then the upper end faces of the end covers can be processed, after the processing of the upper end faces of the end covers is finished, the end covers are clamped and fixed in the vertical direction by the auxiliary clamping groups 212, then the connecting plate 24 is driven to move upwards by the first electric slider 25, the clamping plates 23 and the auxiliary clamping groups 212 clamp the end covers to synchronously move along with the connecting plate 24 for a corresponding distance, in the process, the bottom support plate 21 is driven to move downwards by the electric push rod 20, the bottom support plate 21 drives the inner support columns 22 to synchronously move for a corresponding distance, a certain distance exists between the upper ends of the inner support columns 22 and the end covers, then the motor 211 drives the rotating shaft 29 to rotate, the rotating shaft drives all the connecting shafts 27 to synchronously rotate by the belt, then splint 23 and supplementary clamp group 212 carry the end cover synchronous rotation thereupon until the lower terminal surface of end cover turns to the top, the end cover is the horizontality this moment, then drive end supporting plate 21 upward movement through electric putter 20, inner strut post 22 carries out the inner circle with end cover along with end supporting plate 21 synchronous motion and fixes, later can process the lower terminal surface of end cover, fixture 2 wholly can realize the fast and stable conversion between the different machined surfaces of end cover, need not to overturn the end cover through the manual work and trade the face and the clamping operation again, and then improved the whole machining speed of end cover and avoided leading to the end cover clamping error because of the human factor.
Rectangular grooves are formed in the end face of the inner side of the clamping plate 23 at equal intervals from inside to outside, a compression spring 230 is installed on the inner side wall of the outer side of each rectangular groove, a moving block 231 is installed at the end of the inner side of each compression spring 230, the moving block 231 is in sliding fit with the rectangular grooves, the end of each moving block 231 is of an outward convex arc structure, the clamping plate 23 is made to move towards the inner side to clamp the end cover through a first electric slider 25, when the end cover is in contact with the moving block 231, the moving block 231 is pressed to move towards the rectangular grooves, when the end cover is separated from the moving block 231, the moving block 231 pops out of the rectangular grooves under the action of the compression spring 230, after the end cover is clamped by the clamping plate 23, the popped moving block 231 plays a role in assisting limiting and fixing.
The inner side of the lantern ring 244 is provided with an elastic belt 24a, the elastic belt 24a is installed between the inner side ends of the front and rear clamping plates 23 which are right opposite, the elastic belt 24a is located on the outer side of the moving block 231 on the outermost side of the inner side end of the clamping plate 23, in the process that the end cover is clamped by the clamping plate 23, the elastic belt 24a stretches outwards under the pressing action of the end cover, in the process, the elastic belt 24a is always attached to the side surface of the end cover, after the end cover is clamped, the left side and the right side of the end cover can simultaneously bear the inwards thrust given by the elastic belt 24a, and then the clamping degree of the end cover can be greatly improved through the cooperation between the elastic belt 24a and.
The auxiliary clamp group 212 comprises a vertical plate 21a, a circular plate 21b, a second electric slide block 21c and a clamping plate 21d, the inner side end face of the vertical plate 21a is connected with the middle part of the outer side end face of the clamping plate 23, the circular plate 21b is installed at the upper end of the inner side end face of the vertical plate 21a, the circular plate 21b is located above the upper end face of the clamping plate 23, the second electric slide block 21c is installed at the upper end of the circular plate 21b in a sliding fit mode, the second electric slide block 21c is installed in a block through groove, the block through groove is opened at the lower end of the inner side end face of the clamping plate 21d, the sliding fit mode is adopted between the outer side end face of the clamping plate 21d and the upper end face of the inner side end face of the vertical plate 21a, the vertical plate 21a is driven to move inwards along the circular plate 21b by the second electric slide block 21c until the outer side end face of the inner side end face of the vertical plate 21a, at, the cooperation between the vertical plate 21a and the clamping plate 23 prevents the end cover from deviating or falling off in the rotation process, so that the stable conversion between the upper end surface and the lower end surface of the end cover is realized, and the phenomenon of non-direct connection between the end cover and the inner supporting column 22 is avoided.
The inner end surface of the connecting plate 24 is provided with electric sliding plates 240 in a sliding fit manner, the inner end surface of the electric sliding plate 240 is provided with gear teeth 241 at equal intervals from front to back, the inner side of the electric sliding plate 240 is provided with an incomplete gear 242, the incomplete gear 242 and the gear teeth 241 are in a sliding fit manner, the incomplete gear 242 is arranged on a fixed shaft 243 in a sliding fit manner, the lower end of the fixed shaft 243 is arranged on the upper end surface of the workbench 1, the inner end of the incomplete gear 242 in the vertical direction is provided with a lantern ring 244, the lantern ring 244 is arranged on the fixed shaft 243 through a bearing, the inner end of the lantern ring 244 is connected with the outer end of the clamping plate 23, the upper electric sliding plate 240 and the lower electric sliding plate 240 which are opposite are respectively driven to synchronously move towards each other, and the incomplete gear 242 drives the lantern ring 244 to synchronously, the lantern ring 244 drives the clamping plates 23 to synchronously rotate, and the distance between the front clamping plate 23 and the rear clamping plate 23 which are opposite to each other is enlarged or reduced, so that the end covers with different outer diameter sizes are clamped, and the integral utilization rate of the device can be improved.
The outside terminal surface of circular arc fagging 223 install elastic block 22a, the outside terminal surface of elastic block 22a is concave-convex structure, elastic block 22a can reduce the deformation degree of circle end cover inner circle surface and circular arc fagging 223 contact site and play the effect of buffering shock attenuation to the end cover, the concave-convex structure on the elastic webbing 24a can increase the frictional force between circular arc fagging 223 and the end cover inner circle surface simultaneously, and then improve the interior clamping degree that props of circular arc fagging 223 and end cover inner circle.
The memory rubber layers are arranged on the inner side end face of the clamping plate 21d and the inner side end face of the clamping plate 23, the memory rubber layers can protect contact parts between the end cover surface and the clamping plate 21d and the clamping plate 23, deformation phenomena such as sinking and the like of the end cover surface due to rigid contact are avoided, meanwhile, the memory rubber layers can increase friction force among the clamping plate 23, the clamping plate 21d and the end cover surface, and further the whole clamping degree of the end cover is improved.
When the end cover clamping device works, the inner ring of the end cover is clamped on the inner supporting column 22 in a clamping mode manually, the end cover is placed by being attached to the upper end face of the bottom supporting plate 21, then the first electric slide block 25 drives the connecting plate 24 to move inwards, the connecting plate 24 drives the clamping plate 23 to move synchronously until the clamping plate 23 is matched with the clamping plate 23 to clamp and fix the end cover, when the end cover is contacted with the moving block 231, the moving block 231 is pressed to move towards the rectangular groove by the first electric slide block 25 in the process that the clamping plate 23 clamps the end cover inwards, when the end cover is separated from the moving block 231, the moving block 231 moves towards the outside of the rectangular groove under the action of the compression spring 230, after the clamping plate 23 clamps the end cover, the popped moving block 231 plays a role in assisting limiting and fixing on the end cover, so that the overall stability of the end cover is improved, then the upper end face of the end cover can be processed, the second electric slide block 21c drives the vertical plate 21a to move inwards along the circular ring plate 21b until the inner side end face of the vertical plate 21a is tightly attached to the outer side end face of the end cover, at the moment, the vertical plate 21a in the vertical direction is matched to clamp the end cover up and down, the matching between the vertical plate 21a and the clamping plate 23 avoids the phenomenon that the end cover deflects or falls off in the rotating process, then the first electric slide block 25 drives the connecting plate 24 to move upwards, the clamping plate 23 and the auxiliary clamping group 212 clamp the end cover to move synchronously along with the connecting plate 24 for a corresponding distance, in the process, the electric push rod 20 drives the bottom supporting plate 21 to move downwards, the bottom supporting plate 21 drives the inner supporting column 22 to move synchronously for a corresponding distance, at the moment, a certain distance exists between the upper end of the inner supporting column 22 and the end cover, then the motor 211 drives the rotating shaft 29 to rotate, and the rotating shaft, the connecting shaft 27 drives the fixing plate 26 to synchronously rotate, then the clamping plate 23 and the clamping plate 21d clamp the end cover to synchronously rotate along with the end cover until the lower end face of the end cover rotates to the upper side, at the moment, the end cover is in a horizontal state, then the electric push rod 20 drives the bottom support plate 21 to move upwards, the inner support column 22 synchronously moves along with the bottom support plate 21 to fix the inner ring of the end cover, then the lower end face of the end cover can be processed, the whole clamping mechanism 2 can realize the rapid and stable conversion between different processing faces of the end cover, three steps of taking, turning and clamping are not needed to be carried out on the end cover manually, the whole processing speed of the end cover is improved, errors caused by clamping of the end cover due to human factors are avoided, the pushing rod 222 is driven by the arc electric slide block 221 to move along the arc through groove to the inner side or the outer side, the outer side end of, when the arc electric sliding block 221 moves inwards, the distance between the arc supporting plate 223 and the inner supporting column 22 is reduced, when the arc electric sliding block 221 moves outwards, the distance between the arc supporting plate 223 and the inner supporting column 22 is increased, that is, the arc electric sliding block 221, the push rod 222 and the arc supporting plate 223 are matched to realize the functions of expanding and reducing the radial size, so as to be suitable for clamping end covers with different outer diameter sizes, and further improve the utilization rate of the whole device, the electric sliding plates 240 which are opposite up and down drive the gear teeth 241 which are respectively connected to synchronously move in opposite directions, the incomplete gear 242 drives the lantern ring 244 to synchronously rotate around the fixed shaft 243 through the matching between the gear teeth 241 and the incomplete gear 242, the lantern ring 244 drives the clamping plate 23 to synchronously rotate, and the distance between the front and back opposite clamping plates 23 is expanded or reduced along with the expansion or reduction of the distance, so as to be suitable for clamping, thereby improving the utilization rate of the whole device.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a reduction gear casing accessory end cover numerical control processing mounting fixture, includes workstation (1) and fixture (2), its characterized in that: the lower end surface of the workbench (1) is arranged on the existing working ground, and the upper end surface of the workbench (1) is provided with a clamping mechanism (2);
the clamping mechanism (2) comprises an electric push rod (20), a bottom support plate (21), inner support columns (22), clamping plates (23), connecting plates (24), an electric slider (25), a fixing plate (26), a connecting shaft (27), a vertical plate (28), a rotating shaft (29), a belt (210), a motor (211) and an auxiliary clamping group (212), wherein the electric push rod (20) is symmetrically arranged in the middle of the upper end face of the workbench (1) in the front-back direction, the upper end face of the electric push rod (20) is connected with the lower end face of the bottom support plate (21), the inner support columns (22) are arranged in the middle of the upper end face of the bottom support plate (21), the clamping plates (23) are symmetrically arranged on the left side and the right side of the inner support columns (22), the clamping plates (23) are symmetrically arranged in the front-back direction, an included angle between the clamping plates (23) and the inner support columns (22) is 45 degrees, and the, the middle part of the outer end face of the connecting plate (24) is provided with a first electric slider (25), the outer end of the first electric slider (25) is arranged in the middle part of the inner end face of the fixing plate (26) in a sliding fit mode, the middle part of the outer end face of the fixing plate (26) is provided with a connecting shaft (27), the outer end of the connecting shaft (27) is arranged at the upper end of the vertical plate (28) through a bearing, the lower end of the vertical plate (28) is arranged at the upper end face of the workbench (1), a rotating shaft (29) is arranged between the lower ends of the vertical plates (28) through a bearing, the rotating shaft (29) is positioned at the rear side of an electric push rod (20) at the rear end of the middle part of the upper end face of the workbench (1), the rotating shaft (29) is connected with the connecting shaft (27) through a belt (210), the belt (210) is positioned between the outer end face of the fixing plate (26), the motor (211) is positioned on the right side of the vertical plate (28) at the right end of the rotating shaft (29), the lower end of the motor (211) is arranged on the upper end surface of the workbench (1), and the upper end surface and the lower end surface of the clamping plate (23) are symmetrically provided with the auxiliary clamping groups (212);
the auxiliary clamping group (212) comprises a vertical plate (21a), a circular ring plate (21b), a second electric slider (21c) and a clamping plate (21d), the inner side end face of the vertical plate (21a) is connected with the middle of the outer side end face of the clamping plate (23), the circular ring plate (21b) is installed at the upper end of the inner side end face of the vertical plate (21a), the circular ring plate (21b) is located above the upper end face of the clamping plate (23), the second electric slider (21c) is installed at the upper end of the circular ring plate (21b) in a sliding fit mode, the second electric slider (21c) is installed in a through groove formed in a block, the through groove is formed in the lower end of the inner side end face of the clamping plate (21d), and the outer side end face of the clamping plate (21d) is in a sliding fit mode with the upper end of the inner side end face of.
2. The numerical control machining fixing clamp for the end cover of the speed reducer shell accessory according to claim 1, is characterized in that: the inner bracing column (22) is provided with circular collar plates (220) from top to bottom at equal intervals, the upper end face of each circular collar plate (220) is provided with circular arc through grooves, the circular arc through grooves are uniformly distributed along the circumferential direction of the circular collar plates (220), the included angle between every two adjacent circular arc through grooves is 90 degrees, circular arc electric sliders (221) are arranged in the circular arc through grooves in a sliding fit mode, the inner side ends of the circular arc electric sliders (221) are provided with push rods (222), the outer side of the inner bracing column (22) is provided with circular arc supporting plates (223), the circular arc supporting plates (223) are uniformly distributed along the circumferential direction of the inner bracing column (22), the included angle between every two adjacent circular arc supporting plates (223) is 90 degrees, the circular arc supporting plates (223) are integrally formed into a circular structure, a non-normal relative structure is arranged between the circular arc supporting plates (223) and the circular arc through grooves, the upper, the ear plate pair (224) is connected with the outer side end of the push rod (222) through a pin shaft, and the outer side end of the push rod (222) is in sliding fit with the pin shaft.
3. The numerical control machining fixing clamp for the end cover of the speed reducer shell accessory according to claim 1, is characterized in that: electric sliding plates (240) are symmetrically arranged on the upper and lower sides of the inner side end face of the connecting plate (24) in a sliding fit mode, gear teeth (241) are arranged on the inner side end face of each electric sliding plate (240) at equal intervals from front to back, an incomplete gear (242) is arranged on the inner side of each electric sliding plate (240), the incomplete gear (242) is in a sliding fit mode with the gear teeth (241), the incomplete gear (242) is arranged on a fixing shaft (243) in a sliding fit mode, the lower end of the fixing shaft (243) is arranged on the upper end face of the workbench (1), a lantern ring (244) is arranged on the inner side end of each incomplete gear (242) in the vertical direction, the lantern ring (244) is arranged on the fixing shaft (243) through a bearing, and the inner side end of.
4. The numerical control machining fixing clamp for the end cover of the speed reducer shell accessory according to claim 1, is characterized in that: rectangular grooves are formed in the end face of the inner side of the clamping plate (23) at equal intervals from inside to outside, a compression spring (230) is installed on the inner side wall of the outer side of each rectangular groove, a moving block (231) is installed at the end of the inner side of each compression spring (230), the moving block (231) and the rectangular grooves are in sliding fit, and the end of the inner side of each moving block (231) is of an outer convex arc structure.
5. The numerical control machining fixing clamp for the end cover of the speed reducer shell fitting as claimed in claim 3, is characterized in that: an elastic belt (24a) is arranged on the inner side of the lantern ring (244), the elastic belt (24a) is installed between the inner ends of the clamping plates (23) which are right opposite front and back, and the elastic belt (24a) is located on the outer side of the moving block (231) on the outermost side of the inner end of the clamping plate (23).
6. The numerical control machining fixing clamp for the end cover of the speed reducer shell accessory according to claim 2, is characterized in that: the outer side end face of the arc supporting plate (223) is provided with an elastic block (22a), and the outer side end face of the elastic block (22a) is of a concave-convex structure.
7. The numerical control machining fixing clamp for the end cover of the speed reducer shell accessory according to claim 1, is characterized in that: memory rubber layers are arranged on the end face of the inner side of the clamping plate (21d) and the end face of the inner side of the clamping plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564978.6A CN111673502A (en) | 2020-06-19 | 2020-06-19 | Numerical control machining fixing clamp for end cover of accessory of speed reducer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564978.6A CN111673502A (en) | 2020-06-19 | 2020-06-19 | Numerical control machining fixing clamp for end cover of accessory of speed reducer shell |
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| Publication Number | Publication Date |
|---|---|
| CN111673502A true CN111673502A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010564978.6A Withdrawn CN111673502A (en) | 2020-06-19 | 2020-06-19 | Numerical control machining fixing clamp for end cover of accessory of speed reducer shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111673502A (en) |
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| CN112249956A (en) * | 2020-10-15 | 2021-01-22 | 江西液压件股份有限公司 | Hydraulic control valve positioning and fixing equipment |
| CN112475657A (en) * | 2020-12-10 | 2021-03-12 | 王晨 | Manufacturing and processing technology of air compressor |
| CN113059527A (en) * | 2021-04-22 | 2021-07-02 | 裴健 | Transmission production, manufacturing and assembling machine and assembling method |
| CN114309216A (en) * | 2022-01-21 | 2022-04-12 | 庐江力翔电池科技有限责任公司 | Stamping equipment for battery cover plate continuous production |
| CN114905138A (en) * | 2022-04-27 | 2022-08-16 | 江苏恒义工业技术有限公司 | Pile casing friction stir welding anchor clamps |
| CN114918706A (en) * | 2022-07-20 | 2022-08-19 | 常州三协电机股份有限公司 | A disposable clamping subassembly for processing of end cover both sides |
| CN117428513A (en) * | 2023-12-22 | 2024-01-23 | 广州通发智能装备股份有限公司 | Precise numerical control machine tool with automatic part turning function |
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| CN113059527A (en) * | 2021-04-22 | 2021-07-02 | 裴健 | Transmission production, manufacturing and assembling machine and assembling method |
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| CN114905138B (en) * | 2022-04-27 | 2024-01-12 | 江苏恒义工业技术有限公司 | Friction stir welding clamp for galvanic pile shell |
| CN114918706A (en) * | 2022-07-20 | 2022-08-19 | 常州三协电机股份有限公司 | A disposable clamping subassembly for processing of end cover both sides |
| CN114918706B (en) * | 2022-07-20 | 2022-10-25 | 常州三协电机股份有限公司 | A disposable clamping subassembly for processing of end cover both sides |
| CN117428513A (en) * | 2023-12-22 | 2024-01-23 | 广州通发智能装备股份有限公司 | Precise numerical control machine tool with automatic part turning function |
| CN117428513B (en) * | 2023-12-22 | 2024-03-12 | 广州通发智能装备股份有限公司 | Precise numerical control machine tool with automatic part turning function |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200918 |
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| WW01 | Invention patent application withdrawn after publication |