Positioning combined clamping mechanism for brake machining
Technical Field
The invention relates to the technical field of clamping mechanisms for machining brakes, in particular to a positioning combined clamping mechanism for machining brakes.
Background
A brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member (or a moving machine). The brake disc is a mechanical part for stopping or decelerating a moving part in a machine, and in a brake, a brake disc is an important component of the brake, and the brake disc needs to be clamped and ground by a machine tool during machining.
Through retrieval, the chinese patent with the application number CN201410045094.4 discloses a clamping device for machining and positioning a disc brake caliper body, which comprises a middle plate, wherein two sets of clamping mechanisms are symmetrically arranged on two side surfaces of the middle plate, a bridge plate is arranged at the bottom of the middle plate, indexing discs and L blocks are symmetrically arranged on two sides of the bridge plate, and the indexing discs are fixed on the bridge plate through the L blocks; the clamping mechanism comprises supporting blocks, a rotary upper oil cylinder, a rotary lower oil cylinder, a clamping unit and a positioning unit which are sequentially distributed from top to bottom, wedge-shaped supports, a rotary middle oil cylinder and a positioning block which are sequentially distributed from top to bottom are symmetrically arranged on two sides of the rotary upper oil cylinder and the rotary lower oil cylinder, the wedge-shaped supports are used for supporting and positioning the disc brake caliper body, and the rotary upper oil cylinder, the rotary lower oil cylinder and the rotary middle oil cylinder control the axial movement freedom degree of the disc brake caliper body X, Y, Z; the clamping unit is located on the front side face of the middle plate, and the positioning unit is located on the rear side face of the middle plate.
The clamping device for machining and positioning the caliper body of the disc brake in the patent has the following defects: in the process of clamping the pliers body, the position of the pliers body cannot be adjusted within any angle, so that the clamping surface cannot be machined in the clamping process.
Disclosure of Invention
The invention aims to solve the defects that the position of a clamp body cannot be adjusted within any angle in the clamping process of the clamp body and the clamping surface cannot be machined in the clamping process in the prior art, and provides a positioning combined clamping mechanism for machining a brake.
In order to achieve the purpose, the invention adopts the following technical scheme:
a positioning combined clamping mechanism for processing a brake comprises a machine tool main body and a fixed frame, wherein the outer wall of the top of the fixed frame is rotatably connected with a rotating frame, a second servo motor is fixed on the outer wall of the bottom of the fixed frame through a bolt, the output end of the second servo motor is connected to the outer wall of the bottom of the rotating frame through a coupler, two arc-shaped sliding seats are connected with the inner walls of the two sides of the rotating frame in a sliding manner, the outer wall of one side of each of the two arc-shaped sliding seats positioned on one side of the rotating frame is fixedly provided with the same rotating plate through a bolt, the inner wall of one side of each of the two rotating plates is fixedly provided with two moving columns through screws, one of them the rotor plate one side outer wall rotates and is connected with the rotation handle, rotor frame one side outer wall has two welding posts through the bolt fastening, two the welding post is kept away from the one end welding of rotor frame and is had same mounting panel, mounting panel one side outer wall rotates and is connected with adjusting screw two.
As a further scheme of the invention: the outer wall of one side of the second adjusting screw rod is fixedly provided with an expansion bracket through a bolt, the outer wall of one side of the expansion bracket is connected with a spring in a clamping mode, and the inner wall of the circumference of the spring is connected to the outer wall of the circumference of the expansion bracket in a sliding mode.
As a further scheme of the invention: the outer wall of one side of the telescopic frame is fixedly provided with a friction block through a bolt, one end, far away from the telescopic frame, of the spring is connected with the outer wall of one side of the friction block in a clamping mode, and one side of the outer wall of the rotating plate is provided with a friction groove.
As a further scheme of the invention: two the same positive and negative screw rod of rotating plate one side inner wall rotation connection, two rotating plate one side inner wall is fixed with two spacing posts through the bolt.
As a further scheme of the invention: two spacing post circumference outer wall sliding connection has two to remove the seat, two remove seat one side outer wall all through the bolt fastening there is U type frame.
As a further scheme of the invention: two U type frame inner wall all rotates and is connected with two live-rollers, U type frame inner wall bonding has the sponge layer.
As a further scheme of the invention: two the equal sliding connection of removal post circumference outer wall has the slider, two slider top outer wall all rotates and is connected with adjusting threaded rod one, two adjusting threaded rod one side outer wall all is fixed with the pressure disk through the screw.
As a further scheme of the invention: the inner wall of the machine tool main body is rotatably connected with a first screw rod, the outer wall of one side of the machine tool main body is fixedly provided with a first servo motor through a bolt, and the output end of the first servo motor is connected to the outer wall of one side of the first screw rod through a coupling.
As a further scheme of the invention: the inner walls of two sides of the machine tool main body are fixedly provided with the same guide pillar through bolts, the outer wall of the circumference of the guide pillar is connected with a moving seat in a sliding mode, the inner wall of the moving seat is connected with a second lead screw in a rotating mode, the outer wall of one side of the machine tool main body is fixedly provided with a third servo motor through bolts, the three output ends of the servo motor are connected to the input end of the second lead screw through a coupling, the inner wall of the moving seat is fixedly provided with two sliding columns through bolts, and the outer wall.
The invention has the beneficial effects that:
1. can drive the swivel mount through being provided with servo motor two and rotate in the horizontal direction to can adjust the angle of processing and the position of brake disc in the horizontal direction when carrying out the centre gripping to the brake disc, can make the rotor plate be circular motion along the swivel mount inner wall through being provided with the arc slide, further improve the angle of carrying out processing to the brake disc, can reduce the dead angle when adding man-hour to the brake disc.
2. Connect into a whole through being provided with the removal post between can with two rotor plates to can utilize the rotation handle to rotate one of them rotor plate and make, make another rotor plate can be synchronous motion, guarantee the wholeness between two rotor plates, when the rotational position of rotor plate was fixed a position to needs simultaneously, can make the clutch blocks slide in friction groove circumference inner wall along the horizontal direction through rotating adjusting screw two.
3. The friction groove circumference inner wall is provided with more than two friction strips, can utilize the friction block increase rather than between the friction strip to can prescribe a limit to the position of rotor plate, simultaneously at the in-process that the friction block removed, utilize the spring can reduce the pressure of friction block to the friction groove, thereby can improve the life of rotor plate, utilize the expansion bracket to prescribe a limit to the moving direction of friction block simultaneously, avoid appearing crooked phenomenon at the removal in-process.
4. Because positive and negative screw rod circumference outer wall is provided with positive and negative screw thread, consequently can make two when rotating positive and negative screw rod move along relative direction in step, thereby can adjust the distance between two U type framves, because the brake disc is the loop configuration, consequently, utilize the live-rollers can be when carrying out the centre gripping spacing to the brake disc, can make brake disc circumference outer wall rotate along live-rollers circumference outer wall, thereby can make the circumference outer wall of brake disc can not appear the dead angle of processing at the in-process of carrying out processing, can carry out the centre gripping to the brake disc of different specifications through adjusting the distance between two U type framves simultaneously, the flexibility of using has been improved, can make it be convenient for to rotate after brake disc surface and the laminating of U type frame inner wall through being provided with the sponge layer.
5. Can make it can rotate along removing post circumference outer wall again when removing post circumference outer wall and gliding through being provided with the slider, thereby can carry out free regulation to the turned angle and the position of pressure disk, because brake disc circumference outer wall can rotate along the live-rollers, can drive the pressure disk through rotating adjusting threaded rod one and rotate, can adjust the pressure disk for the distance on brake disc surface simultaneously, make the pressure disk can the crimping in brake disc surface, thereby can add man-hour to the brake disc and fix it, can fix the upper and lower surface of brake disc through being provided with two pressure disks, stability when having guaranteed to fix.
Drawings
FIG. 1 is a schematic view of an overall structure of a positioning and clamping mechanism for brake processing according to the present invention;
FIG. 2 is a schematic side view of a positioning and clamping mechanism for brake processing according to the present invention;
FIG. 3 is a schematic front view of a clamping assembly of a positioning and clamping mechanism for machining a brake according to the present invention;
FIG. 4 is a schematic top view of a clamping assembly of a positioning and clamping mechanism for brake processing according to the present invention;
FIG. 5 is a schematic view of a positioning assembly clamping mechanism for brake processing according to the present invention;
fig. 6 is a schematic structural diagram of a rotating roller assembly of a positioning combined clamping mechanism for brake processing according to the present invention.
In the figure: 1-a machine tool main body, 2-a first screw rod, 3-a moving seat, 4-a fixed frame, 5-a guide post, 6-a first servo motor, 7-a second servo motor, 8-a rotating frame, 9-a second screw rod, 10-a sliding post, 11-a third servo motor, 12-a pressure plate, 13-a limiting post, 14-a moving seat, 15-a positive and negative screw rod and 16-a rotating handle, 17-slide block, 18-first adjusting threaded rod, 19-moving column, 20-rotating plate, 21-arc sliding seat, 22-mounting plate, 23-friction groove, 24-second adjusting threaded rod, 25-spring, 26-friction block, 27-welding column, 28-telescopic frame, 29-U-shaped frame, 30-rotating roller and 31-sponge layer.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A positioning combined clamping mechanism for brake processing is shown in figures 1-5 and comprises a machine tool main body 1 and a fixing frame 4, wherein the outer wall of the top of the fixing frame 4 is rotatably connected with a rotating frame 8, the outer wall of the bottom of the fixing frame 4 is fixedly provided with a servo motor II 7 through bolts, the output end of the servo motor II 7 is connected with the outer wall of the bottom of the rotating frame 8 through a coupler, the inner walls of two sides of the rotating frame 8 are respectively and slidably connected with two arc-shaped sliding seats 21, the outer wall of one side of each arc-shaped sliding seat 21 on one side of the rotating frame 8 is fixedly provided with a same rotating plate 20 through bolts, the inner wall of one side of each rotating plate 20 is fixedly provided with two moving columns 19 through screws, one outer wall of one side of each rotating plate 20 is rotatably connected with a rotating handle 16, the outer wall of one side of the rotating frame 8 is fixedly provided with two welding columns 27, an adjusting screw rod II 24 is rotatably connected to the outer wall of one side of the mounting plate 22, an expansion bracket 28 is fixed to the outer wall of one side of the adjusting screw rod II 24 through bolts, a spring 25 is clamped to the outer wall of one side of the expansion bracket 28, the circumferential inner wall of the spring 25 is slidably connected to the circumferential outer wall of the expansion bracket 28, a friction block 26 is fixed to the outer wall of one side of the expansion bracket 28 through bolts, one end, far away from the expansion bracket 28, of the spring 25 is clamped to the outer wall of one side of the friction block 26, and a friction groove 23 is formed in the; the servo motor II 7 can drive the rotating frame 8 to rotate in the horizontal direction, so that the machining angle and position of the brake disc can be adjusted in the horizontal direction when the brake disc is clamped, the arc-shaped sliding seat 21 can enable the rotating plates 20 to do circular motion along the inner wall of the rotating frame 8, the machining angle of the brake disc is further increased, the dead angle during machining of the brake disc can be reduced, the two rotating plates 20 can be connected into a whole through the moving column 19, so that the rotating handle 16 can be used for rotating one rotating plate 20, the other rotating plate 20 can do synchronous motion, the integrity between the two rotating plates 20 is ensured, and meanwhile, when the rotating position of the rotating plates 20 needs to be positioned, the friction block 26 can slide into the circumferential inner wall of the friction groove 23 in the horizontal direction through the rotation of the adjusting screw rod II 24, the friction groove 23 circumference inner wall is provided with more than two friction strips, can utilize the friction block 26 to increase rather than the friction between it to can prescribe a limit to the position of rotor plate 20, simultaneously at the in-process that the friction block 26 removed, utilize spring 25 can reduce the pressure of friction block 26 to friction groove 23, thereby can improve rotor plate 20's life, utilize expansion bracket 28 to prescribe a limit to the moving direction of friction block 26 simultaneously, avoid appearing crooked phenomenon in the removal process.
In order to clamp brake discs with different specifications and sizes; as shown in fig. 3 and 4, the inner wall of one side of each of the two rotating plates 20 is rotatably connected with the same positive and negative screw 15, the inner wall of one side of each of the two rotating plates 20 is fixed with two limiting columns 13 through bolts, the outer wall of the circumference of each of the two limiting columns 13 is slidably connected with two moving seats 14, the outer wall of one side of each of the two moving seats 14 is fixed with a U-shaped frame 29 through bolts, the inner walls of the two U-shaped frames 29 are rotatably connected with two rotating rollers 30, and the inner walls of the U-shaped frames 29 are bonded with sponge layers 31; because positive and negative screw 15 circumference outer wall is provided with positive and negative screw, consequently can make two removal seats 14 move along relative direction in step when rotating positive and negative screw 15, thereby can adjust the distance between two U type framves 29, because the brake disc is the loop configuration, consequently, utilize live-rollers 30 can be when carrying out centre gripping spacing to the brake disc, can make brake disc circumference outer wall rotate along live-rollers 30 circumference outer wall, thereby can make the circumference outer wall of brake disc can not appear the dead angle of processing at the in-process of carrying out processing, can carry out the centre gripping to the brake disc of different specifications through adjusting the distance between two U type framves 29 simultaneously, the flexibility of using has been improved, can make it be convenient for to rotate after brake disc surface and the laminating of U type framves 29 inner wall through being provided with sponge layer 31.
For fixing the brake disc; as shown in fig. 3 and 4, the circumferential outer walls of the two moving columns 19 are both connected with sliding blocks 17 in a sliding manner, the outer walls of the tops of the two sliding blocks 17 are both connected with adjusting threaded rods 18 in a rotating manner, and the outer wall of one side of each of the two adjusting threaded rods 18 is fixed with a pressure plate 12 through a screw; can make it can rotate along 19 circumference outer walls of removal post again when moving 19 circumference outer walls of post and slip through being provided with slider 17, thereby can carry out free regulation to the turned angle and the position of pressure disk 12, because brake disc circumference outer wall can rotate along live-rollers 30, can drive pressure disk 12 through rotating adjusting threaded rod 18 and rotate, can adjust pressure disk 12 for the distance on brake disc surface simultaneously, make pressure disk 12 can the crimping in brake disc surface, thereby can fix it when adding man-hour to the brake disc, can fix the upper and lower surface of brake disc through being provided with two pressure disks 12, stability when having guaranteed the fixing.
To facilitate adjustment of the position of the brake disc relative to the cutter head; as shown in fig. 1 and 2, a first screw 2 is rotatably connected to the inner wall of the machine tool main body 1, a first servo motor 6 is fixed to the outer wall of one side of the machine tool main body 1 through a bolt, the output end of the first servo motor 6 is connected to the outer wall of one side of the first screw 2 through a coupler, the inner walls of two sides of the machine tool main body 1 are fixed with a same guide pillar 5 through a bolt, the circumferential outer wall of the guide pillar 5 is slidably connected with a movable base 3, a second screw 9 is rotatably connected to the inner wall of the movable base 3, a third servo motor 11 is fixed to the outer wall of one side of the machine tool main body 1 through a bolt, the output end of the third servo motor 11 is connected to the input end of the second screw 9 through a coupler, two sliding columns 10 are; can drive lead screw 2 through being provided with servo motor 6 and rotate to can adjust mount 4 in the left and right sides direction, can drive lead screw two 9 through being provided with servo motor three 11 and rotate, thereby can adjust the position of mount 4 in the front and back direction, the brake disc of follow-up lathe on to mount 4 of being convenient for is processed.
This embodiment is used: when the brake disc needs to be clamped, firstly, the positive and negative screws 15 are rotated according to the specification and the size of the brake disc, so that the distance between the two U-shaped frames 29 is adjusted, then, the circumferential outer wall of the brake disc is rotationally connected with the circumferential outer wall of the rotating roller 30, then, the pressure plate 12 performs fastening operation on the surface of the brake disc through adjusting the position of the sliding block 17, then, the rotating plate 20 is rotated by using the rotating handle 16, the fixed angle and the position of the brake disc are adjusted, after the adjustment is finished, the adjusting screw 24 is rotated, the friction block 26 is inserted into the inner wall of the friction groove 23, so that the rotating position of the rotating plate 20 is limited, then, the rotating frame 8 is driven by using the servo motor II 7 to rotate, the rotating angle of the rotating frame 8 is adjusted, so that no processing dead angle can be generated in the process of processing the brake disc, then, the position of the brake disc relative to, the cutter head is enabled to machine the brake disc.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.