Mechanical clamping mechanism capable of accurately adjusting clamping inclination angle
Technical Field
The invention relates to the technical field of machining equipment, in particular to a mechanical clamping mechanism capable of accurately adjusting a clamping inclination angle.
Background
Along with the development of science and technology, the mechanical processing industry is continuously advanced, more and more mechanical workpieces are produced, meanwhile, the material removing processing operation of curved surface-shaped workpieces with complex structures in the mechanical field is complex, the operation success rate is low, especially for aviation key parts with high-performance complex curved surfaces, most of the existing patents are operated by clamps such as flat part inclination angle large-range stepless adjusting clamps, but the clamps have the defects in the aspect of accurate operation, the included angle of the clamps for adjusting the reference surface of workpiece processing is limited, the adaptability of subsequent workpiece processing and clamping is reduced,
as patent numbers: CN201910495787.6 discloses a part inclination angle large-range stepless adjustment fixture for laser processing, which can realize positioning and clamping of a flat plate part through a positioning and clamping unit composed of a clamping device and a positioning block; although the angle of a workpiece clamped by the clamp can be adjusted through the components such as the handle, the screw rod, the supporting plate, the gear and the like, the operation is manually operated, errors are easy to occur, the adjusting accuracy is reduced, the angle of a reference plane of the workpiece to be machined is limited, and the overall adaptability is reduced, so that a mechanical clamping mechanism capable of accurately adjusting the clamping inclination angle is urgently needed to solve the existing problems.
Disclosure of Invention
The present invention is directed to a mechanical clamping mechanism capable of precisely adjusting a clamping inclination angle, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a mechanical clamping mechanism capable of accurately adjusting a clamping inclination angle comprises a positioning mechanism, a motor groove, a supporting mechanism, a dial, an inserting groove and a limiting clamping seat,
the side end face of the supporting mechanism is symmetrically and rotatably clamped with a limiting clamping seat through an inserting groove, the center of the inner end face of the limiting clamping seat is uniformly and equidistantly provided with a dial for positioning, the center of the outer end face of the limiting clamping seat is provided with a motor groove for connection, the top end face of the supporting mechanism is slidably clamped with a positioning mechanism for supporting,
the supporting mechanism comprises a fixed chute, a connecting turbine, a transmission shaft, a mounting groove, a scale groove, a fixed hole, a connecting plate, a limiting disc and a positioning pointer, wherein the inner end surface of the transmission shaft is symmetrically provided with the mounting groove for limiting, the connecting turbine is fixedly mounted on the inner end surface of the mounting groove, the outer end surface of the transmission shaft is symmetrically and fixedly connected with the limiting disc, the top of the limiting disc is provided with the fixed chute which is in a semicircular arrangement, the outer end surface of the limiting disc is symmetrically and fixedly connected with the positioning pointer, the center of the outer end surface of the limiting disc is provided with the fixed hole in a through way, the outer end surface of the limiting disc is provided with the scale groove at a uniform and equal distance close to the outer edge of the fixed chute, and when the supporting mechanism is used, the mounting groove can rapidly position the connecting turbine, meanwhile, the fixing hole can facilitate the subsequent user to quickly position and connect the limiting disc, and the subsequent connection convenience is improved.
Preferably, the positioning mechanism comprises a supporting seat, a positioning chute, a connecting plate, a positioning seat, an angle pointer, a fixing bolt, a connecting nut, a limiting cushion plate, a limiting groove, an inserting shaft, a gear belt, a fixing motor, a connecting gear and a connecting worm, the top end face of the positioning seat is fixedly connected with the supporting seat for supporting through the connecting plate, the positioning chutes for limiting are uniformly arranged on the upper end face of the supporting seat at equal intervals, the angle pointer for positioning is symmetrically and fixedly connected with the side end face of the positioning seat, the fixing bolt is symmetrically and fixedly connected with the bottom end face of the positioning seat close to the end head, the limiting cushion plate is slidably sleeved on the outer end face of the fixing bolt, the connecting nut for limiting is in threaded connection with the bottom end face of the fixing bolt, the limiting groove is arranged on the front end face of the positioning seat, and the connecting worm is symmetrically and rotatably clamped on the position of the, the outer terminal surface fixedly connected with fixed motor of spacing groove, just fixed motor is connected with the gear belt through connecting gear rotation, the fixedly connected with plug-in spindle of interior terminal surface center department of connecting gear, when operating, fixed motor can provide sufficient power for connecting the gear and rotate to convenient follow-up two sets of connection worms syntropy of driving rotate, driven stability has been improved, if the user needs to overhaul equipment simultaneously, user's accessible outside instrument rotates coupling nut this moment, coupling nut can separate with fixing bolt this moment, fixing bolt bottom landing can be followed to spacing backing plate simultaneously, and then make things convenient for follow-up separating positioning mechanism from supporting mechanism's top, the convenience performance of follow-up maintenance to positioning mechanism has been improved.
Preferably, fixed motor all carries out fixed connection with connecting gear and connection worm, it is equipped with two sets ofly altogether to connect the gear, just the grafting axle is fixed and is deviating from inside the connecting gear of fixed motor one side, fixed motor's front portion all carries out fixed connection with connecting gear and connection worm, can make things convenient for the transmission of follow-up power, and the grafting axle can play spacing effect to this connecting gear inside another group's connecting gear simultaneously, prevents that connecting gear from taking place to drop when rotating, has improved follow-up stability of carrying out power transmission.
Preferably, fixed spout is including being used for spacing joint groove and seting up the turn trough in joint tank bottom portion, joint groove and fixing bolt looks adaptation, just positioning mechanism passes through joint groove and fixing bolt looks adaptation sliding connection at the up end of supporting mechanism, and the inside joint groove of fixed spout can be convenient follow-up spacing to fixing bolt, and fixing bolt diameter equals with joint groove width simultaneously, makes things convenient for follow-up fixing bolt at the inside pivoted stability of joint inslot.
Preferably, the radius of turn trough and spacing backing plate equals, just spacing backing plate passes through coupling nut threaded connection and carries out the joint that slides in fixing bolt bottom and turn trough, and the cooperation of turn trough and spacing backing plate can conveniently carry out spacingly to positioning mechanism, also can improve the stability of follow-up positioning mechanism at the displacement of supporting mechanism upper portion, and then has improved the accurate nature of carrying out the regulation.
Preferably, connect the turbine and be connected worm looks adaptation, just positioning mechanism meshes through connecting the turbine and being connected worm looks adaptation and supporting mechanism's top and be connected, when connecting the worm and rotate, owing to connect the worm and mesh with being connected the turbine, so can drive positioning mechanism at the top upset of supporting mechanism, angle regulation, and can effectively improve follow-up accuracy nature and the stability of adjusting to centre gripping angle through the regulative mode of screw thread meshing.
Preferably, the cross sections of the connecting plate and the insertion groove are arranged in a T shape, the supporting mechanism is matched with the insertion groove through the connecting plate and is connected with the limiting clamping seat in a rotating mode, the connecting plate can rotate inside the insertion groove, meanwhile, the inner end face of the connecting plate is connected with an external motor, further follow-up reference face for overall processing is convenient to further adjust, and the adaptability of the clamping mechanism for processing workpieces is improved.
Preferably, the angle pointer is attached to the outer surface of the scale groove, and the positioning pointer is attached to the outer surface of the dial, so that the accuracy of subsequent clamping angle adjustment can be effectively improved, and the user can conveniently check the degree again.
Preferably, the groove body has been seted up to the interior terminal surface symmetry of positioning seat, just the groove body is just right with spacing groove mutually, the groove body rotates the joint with the connecting worm, the arc wall has been seted up to the bottom face symmetry of positioning seat, just the arc wall is laminated with the top of spacing dish mutually and is connected, conveniently follows up carry out quick location and connection to the connecting worm, has improved the follow-up convenience of connecting the worm.
Compared with the prior art, the invention has the following beneficial effects:
1. when the angle of the workpiece is adjusted and clamped, the two groups of connecting worms can be driven to rotate by the fixed motor, when the connecting worms rotate, the connecting worms are meshed with the connecting worm wheels, so that the positioning mechanism can be driven to overturn at the top of the supporting mechanism, the angle of overturning and clamping the workpiece is accurately adjusted, the accuracy and the stability of subsequent adjustment of the clamping angle can be effectively improved by an adjusting mode of thread meshing, and meanwhile, a user can program the number of rotation turns and the rotation perimeter of the fixed motor, so that the accuracy of angle adjustment during workpiece clamping is further improved, errors of manual adjustment are reduced, and the efficiency is improved.
2. When the workpiece is machined, if the reference surface outside the plane needs to be positioned, a user can start the external motor through the control mechanism when the adjustment is carried out, and at the moment, the external motor can drive the supporting mechanism to turn over inside the two groups of limiting clamping seats through the connecting plate until a positioning pointer inside the supporting mechanism is appointed on the corresponding scale of the dial, so that the positioning accuracy is improved, the device can adapt to the machining reference surface of each angle, and the adaptability of the device is improved.
3. When the connecting device is operated, the fixed motor can provide enough power for the connecting gear to rotate, so that two groups of connecting worms can be conveniently driven to rotate in the same direction subsequently, the transmission stability is improved, meanwhile, if a user needs to overhaul the device, the user can rotate the connecting nut through an external tool, the connecting nut can be separated from the fixing bolt, the limiting base plate can slide from the bottom of the fixing bolt, the positioning mechanism can be conveniently separated from the top of the supporting mechanism subsequently, the convenience of overhauling the positioning mechanism subsequently is improved, and the continuous service life of the subsequent device is prolonged.
Drawings
FIG. 1 is an exploded view of a body of the present invention;
FIG. 2 is an assembled view of the body of the present invention;
FIG. 3 is an exploded view of the positioning mechanism of the present invention;
FIG. 4 is an exploded side view of the positioning mechanism of the present invention;
FIG. 5 is an assembly view of the positioning mechanism of the present invention;
FIG. 6 is an exploded view of the support mechanism of the present invention;
FIG. 7 is an exploded side view of the support mechanism of the present invention;
fig. 8 is an assembly view of the support mechanism of the present invention.
In the figure: 1-positioning mechanism, 2-motor groove, 3-supporting mechanism, 4-dial, 5-inserting groove, 6-limiting clamping seat, 101-supporting seat, 102-positioning sliding groove, 103-connecting plate, 104-positioning seat, 105-angle pointer, 106-fixing bolt, 107-connecting nut, 108-limiting cushion plate, 109-limiting groove, 110-inserting shaft, 111-gear belt, 112-fixing motor, 113-connecting gear, 114-connecting worm, 301-fixing sliding groove, 302-connecting turbine, 303-transmission shaft, 304-mounting groove, 305-scale groove, 306-fixing hole, 307-connecting plate, 308-limiting disk and 309-positioning pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: a mechanical clamping mechanism capable of accurately adjusting a clamping inclination angle comprises a positioning mechanism 1, a motor groove 2, a supporting mechanism 3, a dial 4, an inserting groove 5 and a limiting clamping seat 6,
the side end surface of the supporting mechanism 3 is symmetrically and rotatably clamped with a limiting clamping seat 6 through an inserting groove 5, the center of the inner end surface of the limiting clamping seat 6 is evenly and equidistantly provided with a dial 4 for positioning, the center of the outer end surface of the limiting clamping seat 6 is provided with a motor groove 2 for connection, the top end surface of the supporting mechanism 3 is slidably clamped with a positioning mechanism 1 for supporting,
the supporting mechanism 3 comprises a fixed chute 301, a connecting turbine 302, a transmission shaft 303, a mounting groove 304, a scale groove 305, a fixed hole 306, a connecting plate 307, a limiting disc 308 and a positioning pointer 309, wherein the inner end surface of the transmission shaft 303 is symmetrically provided with the mounting groove 304 for limiting, the connecting turbine 302 is fixedly mounted on the inner end surface of the mounting groove 304, the outer end surface of the transmission shaft 303 is symmetrically and fixedly connected with the limiting disc 308, the top of the limiting disc 308 is provided with the fixed chute 301 which is arranged in a semicircular shape, the outer end surface of the limiting disc 308 is symmetrically and fixedly connected with the positioning pointer 309, the center of the outer end surface of the limiting disc 308 is provided with the fixed hole 306 in a penetrating way, the outer end surface of the limiting disc 308 is provided with the scale grooves 305 which are uniformly and equidistantly arranged near the outer edge of the fixed chute 301, when in use, the mounting groove 304 can rapidly position, meanwhile, the fixing hole 306 can facilitate the subsequent user to quickly position and connect the limiting disc 308, so that the convenience of subsequent connection is improved.
The positioning mechanism 1 comprises a supporting seat 101, a positioning chute 102, a connecting plate 103, a positioning seat 104, an angle pointer 105, a fixing bolt 106, a connecting nut 107, a limiting cushion plate 108, a limiting groove 109, a plug-in shaft 110, a gear belt 111, a fixing motor 112, a connecting gear 113 and a connecting worm 114, wherein the top end face of the positioning seat 104 is fixedly connected with the supporting seat 101 for supporting through the connecting plate 103, the positioning chute 102 for limiting is uniformly and equidistantly arranged on the upper end face of the supporting seat 101, the angle pointer 105 for positioning is symmetrically and fixedly connected with the side end face of the positioning seat 104, the fixing bolt 106 is symmetrically and fixedly connected with the bottom end face of the positioning seat 104 close to the end head, the limiting cushion plate 108 is sleeved on the outer end face of the fixing bolt 106 in a sliding manner, the connecting nut 107 for limiting is connected with the bottom end face of the fixing bolt 106 in a, and the inner end surface of the positioning seat 104 opposite to the position of the limit groove 109 is symmetrically and rotatably clamped with a connecting worm 114, the outer end surface of the limit groove 109 is fixedly connected with a fixed motor 112, the fixed motor 112 is rotatably connected with a gear belt 111 through a connecting gear 113, the center of the inner end surface of the connecting gear 113 is fixedly connected with an inserting shaft 110, in operation, the stationary motor 112 can provide sufficient power to the connecting gear 113 to rotate, thereby facilitating the subsequent driving of the two groups of connecting worms 114 to rotate in the same direction, improving the transmission stability, meanwhile, if the user needs to overhaul the equipment, the user can rotate the connecting nut 107 by an external tool, the connecting nut 107 can be separated from the fixing bolt 106, the limiting cushion plate 108 can slide down from the bottom of the fixing bolt 106, and then make things convenient for follow-up separating positioning mechanism 1 from the top of supporting mechanism 3, improved the follow-up convenient performance of overhauing positioning mechanism 1.
Fixed motor 112 all carries out fixed connection with connecting gear 113 and connection worm 114, connecting gear 113 is equipped with two sets ofly altogether, and grafting axle 110 is fixed inside the connecting gear 113 that deviates from fixed motor 112 one side, fixed motor 112's front portion all carries out fixed connection with connecting gear 113 and connection worm 114, can make things convenient for the transmission of follow-up power, simultaneously the grafting axle 110 is inside another group's connecting gear 113, can play spacing effect to this connecting gear 113, prevent that connecting gear 113 from taking place to drop when rotating, the follow-up stability of carrying out power transmission has been improved.
Fixed spout 301 is including being used for spacing joint groove and seting up the turn trough in joint tank bottom portion, joint groove and fixing bolt 106 looks adaptation, and positioning mechanism 1 passes through joint groove and fixing bolt 106 looks adaptation sliding connection at the up end of supporting mechanism 3, and the inside joint groove of fixed spout 301 can be convenient follow-up spacing fixing bolt 106, and fixing bolt 106 diameter equals with joint groove width simultaneously, makes things convenient for follow-up fixing bolt 106 at the inside pivoted stability of joint inslot.
The radius of turn trough and spacing backing plate 108 equals, and spacing backing plate 108 slides the joint in fixing bolt 106 bottom and turn trough through coupling nut 107 threaded connection, and the cooperation of turn trough and spacing backing plate 108 can conveniently carry out spacingly to positioning mechanism 1, also can improve the stability of follow-up positioning mechanism 1 at the displacement of 3 upper portions of supporting mechanism, and then has improved the accurate nature of carrying out the regulation.
Connect worm wheel 302 and be connected worm 114 looks adaptation, and positioning mechanism 1 meshes through connecting worm wheel 302 and being connected worm 114 looks adaptation and the top of supporting mechanism 3 and be connected, when connecting worm 114 and rotate, because connect worm 114 and be connected worm wheel 302 and mesh, so can drive positioning mechanism 1 and overturn at the top of supporting mechanism 3, angle regulation, and can effectively improve follow-up accuracy and the stability to the centre gripping angle regulation through the regulative mode of screw thread meshing.
The cross section of connecting plate 307 and inserting groove 5 all is the T setting that appears, and supporting mechanism 3 rotates the joint through connecting plate 307 and 5 looks adaptations of inserting groove and spacing cassette 6, and connecting plate 307 can rotate the joint in the inside of inserting groove 5, and the interior terminal surface of connecting plate 307 is connected with outside motor simultaneously, and then makes things convenient for the follow-up reference surface to whole processing to further adjust, improves the adaptability of fixture processing work piece.
The angle indicator 105 is attached to the outer surface of the scale groove 305, and the positioning indicator 309 is attached to the outer surface of the dial 4, so that the accuracy of subsequent clamping angle adjustment can be effectively improved, and the user can conveniently check the degree again.
The inner end face of the positioning seat 104 is symmetrically provided with a groove body, the groove body is opposite to the limiting groove 109, the groove body is rotationally clamped with the connecting worm 114, the bottom end face of the positioning seat 104 is symmetrically provided with an arc-shaped groove, the arc-shaped groove is attached to the top of the limiting disc 308, the connecting worm 114 can be conveniently and rapidly positioned and connected in the follow-up process, and the convenience of connecting the connecting worm 114 in the follow-up process is improved.
The working principle is as follows: when the device is used specifically, as shown in fig. 1 and fig. 2, a user can position and install an external motor and parts matched with the external motor through the motor grooves 2, meanwhile, two groups of motor grooves 2 are arranged to provide standby space conveniently, after the motor is installed, the user can position and fix the device on external processing equipment through the limiting clamping seat 6,
when in operation, as shown in fig. 3, the workpiece is firstly positioned, a user can position and connect the workpiece to be positioned inside the positioning sliding chute 102 by the external pressing part, and meanwhile, the positioning sliding chute 102 is provided with a plurality of groups, so that the subsequent adaptation to the workpieces with different sizes and heights can be facilitated, the adaptation performance of positioning the workpiece is improved,
after the positioning is completed, a user can adjust the angle of the workpiece supported by the supporting seat 101 during the processing according to the specific processing steps, specifically as shown in fig. 2, 3, 4 and 6, the user can start the fixing motor 112 through the external control mechanism, at this time, the fixing motor 112 can drive the two sets of connecting worms 114 to rotate through the gear belt 111 and the connecting gear 113, specifically as shown in fig. 3 and 4, at this time, the two sets of connecting worms 114 rotate in the same direction inside the positioning seat 104, and can be engaged with the connecting worm wheel 302 when the connecting worm 114 rotates, so that the connecting worm 114 can rotate on the upper portion of the connecting worm wheel 302, and further drive the positioning seat 104 to rotate on the limiting disc 308, until the angle pointer 105 is assigned to the predetermined angle position on the scale groove 305, and further accurately adjust the angle of the reference plane when the workpiece is processed, specifically as shown in fig. 1 and 6,
when adding man-hour to the work piece, if need fix a position the outer reference surface of plane, specifically as shown in fig. 1 fig. 6, fig. 7 and fig. 8, when adjusting, user's accessible operating mechanism starts outside motor, outside motor can drive supporting mechanism 3 through connecting plate 307 at this moment in the inside upset of two sets of spacing cassette 6, until the inside location pointer 309 of supporting mechanism 3 appoints on the corresponding scale of calibrated scale 4, improved the accuracy of location, can adapt to the processing reference surface of each angle simultaneously, improved the adaptability of device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.