CN112894733A

CN112894733A - Machining equipment with turnover clamping mechanism

Info

Publication number: CN112894733A
Application number: CN202011587492.0A
Authority: CN
Inventors: 何玉明
Original assignee: Anhui Jingde Jingfeng Machinery Manufacturing Co ltd
Current assignee: Chongqing Yujiang Xingao Die Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-06-04
Anticipated expiration: 2040-12-29
Also published as: CN112894733B

Abstract

The invention discloses machining equipment with a reversible clamping mechanism, which comprises a machining operation table, wherein a placing tool is arranged at the center of the upper surface of the machining operation table, two lifting mechanisms which are bilaterally symmetrical are arranged on the upper surface of the machining operation table, a driving mechanism is arranged on the lower side of the machining operation table, the two lifting mechanisms are in transmission connection through the driving mechanism, each lifting mechanism comprises a moving block, first motors are arranged on the inner sides of the two moving blocks, mounting plates are fixed on the inner sides of output shafts of the two first motors, compression oil cylinders are arranged on the inner sides of the two mounting plates, and clamping long blocks are fixed on the output shafts of the two compression oil cylinders. The automatic turnover clamping device can automatically turn over, clamp and fix the product, thereby avoiding manual operation, reducing the operation intensity and efficiency of operators, improving the stability of clamping and fixing the product and reducing potential safety hazards.

Description

Machining equipment with turnover clamping mechanism

Technical Field

The invention relates to the technical field of machining, in particular to machining equipment with a reversible clamping mechanism.

Background

Application publication No. CN111069939A discloses a fixture that machining equipment used, relates to centre gripping technical field. The novel U-shaped frame comprises a U-shaped frame, wherein a top plate is fixedly arranged at the top of the U-shaped frame, and a pressing component is arranged at the bottom end of the top plate. According to the clamping device, a workpiece to be clamped is placed above the workpiece placing plate, the spring is contracted and shortened at the moment, the workpiece on the workpiece placing plate can be lowered between the two clamping plates, so that clamping of workers by the clamping assembly is avoided, when the workpiece is placed above the workpiece placing plate, the pressure sensor transmits a signal to the controller, the controller controls the electric telescopic rod to extend, the extension of the electric telescopic rod extrudes the bearing plate downwards, the bearing plate moves downwards to drive the two clamping plates to approach each other, the supporting plate is inserted below the workpiece to support the workpiece, and the other two clamping plates approach each other to clamp the workpiece, so that the clamping efficiency is greatly improved. But this patent need fix through twice clamping when using, just can process to the product two sides of microscler board type to bring great working strength for the operating personnel, and the clamping mode is single when processing, can not guarantee the steadiness of product, has certain potential safety hazard. Based on this, the invention designs a machining device with a reversible clamping mechanism to solve the problems.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides machining equipment with a turnover clamping mechanism, which can automatically turn over, clamp and fix a product, thereby avoiding manual operation, reducing the operation intensity and efficiency of operators, improving the stability of clamping and fixing the product and reducing the potential safety hazard.

(II) technical scheme

The invention provides a machining device with a reversible clamping mechanism, which comprises a machining operation table, a placing tool is arranged at the center of the upper surface of the processing operation table, two lifting mechanisms which are symmetrical left and right are arranged on the upper surface of the processing operation table, a driving mechanism is arranged at the lower side of the processing operation table, the two lifting mechanisms are in transmission connection through a driving mechanism and comprise moving blocks, first motors are respectively arranged on the inner sides of the two moving blocks, mounting plates are respectively fixed on the inner sides of output shafts of the two first motors, pressing oil cylinders are respectively arranged on the inner sides of the two mounting plates, clamping long blocks are respectively fixed on the output shafts of the two pressing oil cylinders, two pinch rollers which are symmetrically arranged front and back are arranged on the upper surface and the lower surface of the clamping long block, and a pressing and fixing mechanism fixed on the machining operation table is arranged on the lower side of each pinch roller.

Preferably, elevating system is still including the square montant that is fixed in processing operation platform upper surface, microscler mounting groove has been seted up to the inboard of square montant, vertical rotation installs drive screw in the microscler mounting groove, just the movable block passes through threaded connection in drive screw, the cross sectional shape size phase-match of movable block and microscler mounting groove.

Preferably, the upside of drive screw rotates with square montant through first bearing to be connected, just square montant is fixed with the outer lane of first bearing, drive screw is fixed with the inner circle of first bearing, drive screw's downside passes through the second bearing and is connected with the rotation of processing operation platform, just the processing operation platform is fixed with the outer lane of second bearing, drive screw is fixed with the inner circle of second bearing.

Preferably, the driving mechanism comprises a motor fixing plate fixed on the processing operation table through a fixing support, a second motor is fixed on the lower surface of the motor fixing plate, the output end of the second motor penetrates through the motor fixing plate and is fixed with a driving chain disc, the lower ends of the two transmission screws penetrate through the processing operation table and are fixed with driven chain discs, and the driven chain discs are connected with the driving chain disc through chain transmission.

Preferably, the first motor, the pressing oil cylinder and the second motor are electrically connected with an external power supply and an external PLC.

Preferably, the compressing and fixing mechanism comprises two square fixing blocks which are symmetrically arranged in front and back and fixed on the upper surface of the processing operation platform, a turning part is arranged between the two square fixing blocks, the front side and the rear side of the turnover piece are both fixed with rotating shafts, the two rotating shafts are respectively and rotatably connected with the two square fixed blocks, the outer sides of the two rotating shafts respectively penetrate through the two square fixing blocks, the outer sides of the two square fixing blocks are respectively provided with a rotating block fixed on the outer circumferential surfaces of the two rotating shafts, the outer side of the rotating block is provided with a limiting block, the inner side of the limiting block is fixed with an arc-shaped rod, the inner side of the arc-shaped rod penetrates through the rotating block and is fixed with a bottom block, the bottom block is fixed with the square fixed block, an arc-shaped spring sleeved on the arc-shaped rod is arranged between the bottom block and the rotating block, and a pressing piece is arranged on the upper side of the overturning piece.

Preferably, the rotating shaft is rotatably connected with the square fixing block through a third bearing, the square fixing block is fixed with an outer ring of the third bearing, and the rotating shaft is fixed with an inner ring of the third bearing.

Preferably, the upset piece includes L shape portion, the inboard of L shape portion is fixed with the slope, just L shape portion and slope one-tenth obtuse angle setting, the inboard of slope is fixed with vertical portion, vertical portion upper surface processing has the inclined plane, it sets up in the L shape portion upside of upset piece to compress tightly the piece.

Preferably, the pressing piece comprises an adjusting screw rod in threaded connection with the L-shaped portion of the overturning piece, a rubber pressing block is fixed on the inner side of the adjusting screw rod, and a rotating disc is fixed on the outer side of the adjusting screw rod.

Preferably, the outer circumferential surface of the rotating disc is provided with a transversely arranged anti-slip pattern.

Compared with the prior art, the invention has the beneficial effects that:

1. through the arrangement of the lifting mechanism, the first motor, the pressing oil cylinder, the clamping long block, the driving mechanism and the like, the product can be automatically turned, so that manual turning is avoided, and the operation intensity and efficiency of operators are reduced;

2. through the arrangement of the lifting mechanism, the pressing oil cylinder, the clamping long block, the pressing wheel, the driving mechanism, the pressing fixing mechanism and the like, the product can be automatically clamped and fixed, and the operation intensity and efficiency of operators are reduced;

3. through the arrangement of the pressing fixing mechanism, the lifting mechanism, the driving mechanism, the clamping long block, the pressing oil cylinder, the pressing wheel and the like, the product can be fixed from two sides and above, so that the stability of clamping and fixing the product is improved, and potential safety hazards are reduced.

Drawings

FIG. 1 is a front view of a machining apparatus in which the fixture is reversible according to the present invention;

FIG. 2 is a top view of a machining apparatus in which the fixture is reversible according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a front cross-sectional view of a press-fastening mechanism in a machining apparatus in which a clamping mechanism is reversible according to the present invention;

fig. 6 is a side view of a press-fastening mechanism in a machining apparatus in which a clamping mechanism is reversible according to the present invention.

In the figure: the automatic lifting device comprises a processing operation table 1, a placement tool 11, a lifting mechanism 2, a square vertical rod 21, a long mounting groove 22, a transmission screw 23, a moving block 24, a first motor 3, a pressing oil cylinder 4, a clamping long block 5, a pressing wheel 51, a pressing fixing mechanism 6, a square fixing block 61, a turnover part 62, a rotating shaft 63, a rotating block 64, a bottom block 65, an arc rod 66, a limiting block 67, an arc spring 68, a pressing part 69, an adjusting screw 691, a rubber pressing block 692, a rotating disc 693, a driving mechanism 7, a second motor 71, a driving chain disc 72, a driven chain disc 73 and a chain 74.

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.

As shown in fig. 1-6, the machining device with a reversible clamping mechanism provided by the invention comprises a machining workbench 1, a placing tool 11 is arranged at the center position of the upper surface of the machining workbench 1, two lifting mechanisms 2 which are symmetrical left and right are arranged on the upper surface of the machining workbench 1, a driving mechanism 7 is arranged at the lower side of the machining workbench 1, and two elevating system 2 are connected through actuating mechanism 7 transmission, elevating system 2 includes movable block 24, first motor 3 is all installed to the inboard of two movable blocks 24, the output shaft inboard of two first motors 3 all is fixed with the mounting panel, hold-down cylinder 4 is all installed to the inboard of two mounting panels, all be fixed with on the output shaft of two hold-down cylinder 4 and press from both sides tight long block 5, press wheel 51 that two front and back symmetries set up is all installed to the upper and lower two sides of pressing from both sides tight long block 5, the downside of press wheel 51 is provided with the compressing and fixing mechanism 6 that is fixed in processing operation platform 1.

It should be noted that: the shape and size of the placing tool 11 are matched with the shape and size of the product.

In an optional example, the lifting mechanism 2 further includes a square vertical rod 21 fixed on the upper surface of the processing platform 1, an elongated mounting groove 22 is formed in the inner side of the square vertical rod 21, a transmission screw 23 is vertically rotatably mounted in the elongated mounting groove 22, a moving block 24 is connected to the transmission screw 23 through a thread, and the cross-sectional shape and size of the moving block 24 are matched with those of the elongated mounting groove 22.

In an alternative example, the upper side of the driving screw 23 is rotatably connected with the square vertical rod 21 through a first bearing, the square vertical rod 21 is fixed with the outer ring of the first bearing, the driving screw 23 is fixed with the inner ring of the first bearing, the lower side of the driving screw 23 is rotatably connected with the processing workbench 1 through a second bearing, the processing workbench 1 is fixed with the outer ring of the second bearing, and the driving screw 23 is fixed with the inner ring of the second bearing.

In an alternative example, the driving mechanism 7 includes a motor fixing plate fixed to the processing platform 1 through a fixing bracket, a second motor 71 is fixed to a lower surface of the motor fixing plate, an output end of the second motor 71 penetrates through the motor fixing plate and is fixed with a driving chain disc 72, lower ends of the two transmission screws 23 both penetrate through the processing platform 1 and are fixed with driven chain discs 73, and the two driven chain discs 73 are in transmission connection with the driving chain disc 72 through chains 74.

In an optional example, the first motor 3, the pressing cylinder 4, and the second motor 71 are electrically connected to an external power source and an external PLC controller, and the model of the PLC controller is: s7-300.

In an alternative example, the pressing and fixing mechanism 6 includes two square fixing blocks 61 symmetrically arranged in front and back directions fixed on the upper surface of the processing operation table 1, an overturning member 62 is arranged between the two square fixing blocks 61, rotating shafts 63 are fixed on the front and back sides of the overturning member 62, the two rotating shafts 63 are respectively rotatably connected with the two square fixing blocks 61, the outer sides of the two rotating shafts 63 penetrate through the two square fixing blocks 61 respectively, the outer sides of the two square fixing blocks 61 are provided with rotating blocks 64 fixed on the outer circumferential surfaces of the two rotating shafts 63 respectively, the outer sides of the rotating blocks 64 are provided with limiting blocks 67, the inner sides of the limiting blocks 67 are fixed with arc-shaped rods 66, the inner sides of the arc-shaped rods 66 penetrate through the rotating blocks 64 and are fixed with bottom blocks 65, the bottom blocks 65 are fixed with the square fixing blocks 61, arc-shaped springs 68 sleeved on the arc-shaped rods 66 are arranged between the bottom blocks 65 and the rotating blocks 64, and the upper sides of the turnover pieces 62 are provided with pressing pieces.

In an alternative example, the rotating shaft 63 is rotatably connected with the square fixing block 61 through a third bearing, the square fixing block 61 is fixed with an outer ring of the third bearing, and the rotating shaft 63 is fixed with an inner ring of the third bearing.

In an alternative example, the turning member 62 includes an L-shaped portion, an inclined portion is fixed to an inner side of the L-shaped portion, the L-shaped portion and the inclined portion form an obtuse angle, a vertical portion is fixed to an inner side of the inclined portion, an inclined surface is machined on an upper surface of the vertical portion, and the pressing member 69 is disposed on an upper side of the L-shaped portion of the turning member 62.

In an alternative example, the pressing member 69 includes an adjusting screw 691 threadedly coupled to the L-shaped portion of the reversing member 62, a rubber pressing block 692 is fixed to an inner side of the adjusting screw 691, and a rotating disk 693 is fixed to an outer side of the adjusting screw 691.

In an alternative embodiment, the outer circumferential surface of the rotating disk 693 is formed with a laterally disposed non-slip pattern.

The working principle is as follows: when the device is used, a product can be firstly placed on the placing tool 11 for preliminary fixing, then the second motor 71 can be controlled by the LPC controller to operate in a forward direction, the driving chain disc 72 can drive the driven chain disc 73 to rotate through the chain 74, the two transmission screw rods 23 further rotate, so that the moving block 24 moves downwards in the long mounting groove 22, when the long clamping blocks 5 move to be matched with the position of the product, the pressing wheel 51 can firstly contact with the outer side of the inclined plane of the vertical part in the overturning part 62, then the overturning part 62 rotates inwards by 90 degrees around the rotating shaft 63, the product is pressed and fixed by the pressing part 69 from the upper side, at the moment, the pressing wheel 51 contacts with the vertical part of the overturning part 62, meanwhile, the rotating block 64 can also be driven to rotate inwards by a certain angle and compress the arc-shaped spring 68, then the two pressing oil cylinders 4 are controlled by the PLC controller to operate, so that the two pressing oil cylinders 4 respectively push the two clamping long blocks 5, thereby fixing the product from two sides and above, improving the stability of clamping and fixing the product, simultaneously realizing automatic clamping and fixing of the product, saving time, accelerating efficiency and improving production, when the other side of the product is processed as required, the second motor 71 can be controlled by the PLC controller to run in reverse direction, so that the two moving blocks 24 can move upwards gradually, meanwhile, the pressing wheel 51 can move upwards, the overturning part 62 can overturn outwards gradually due to the elasticity of the arc spring 68, when the pressing wheel 51 at the lower side is not contacted with the inclined part of the overturning part 62, the overturning part 62 can return to the initial position, when the two moving blocks 24 move to a proper height, the PLC controller controls the two first motors 3 to run, the product overturns 180 degrees, and then the PLC controller controls the second motor 71 to run in forward direction, so that the two moving blocks 24 move downwards, move to the lower surface of product and place frock 11's upper surface contact, meanwhile, pinch roller 51 can be with the inboard contact of the inclined plane of vertical portion in the upset 62, again with upset 62 around axis of rotation 63 inboard rotation 90, it is fixed completely with the product to compress tightly 69 from the top and push down the product, thereby realized automatic upset and the clamp of once more fixed, operating intensity has been reduced for the operating personnel, when using, when pressing tightly the rubber briquetting 692 in 69 and can not compress tightly the product, the accessible rotates the position that rolling disc 693 adjusted rubber briquetting 692.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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.

Claims

1. The utility model provides a machining equipment that fixture can overturn, includes processing operation platform (1), the upper surface central point of processing operation platform (1) puts and is provided with places frock (11), its characterized in that, the upper surface of processing operation platform (1) is provided with two bilateral symmetry's elevating system (2), the downside of processing operation platform (1) is provided with actuating mechanism (7), and two elevating system (2) are connected through actuating mechanism (7) transmission, elevating system (2) include movable block (24), first motor (3) are all installed to two the inboard of movable block (24), two the output shaft inboard of first motor (3) all is fixed with the mounting panel, two the inboard of mounting panel all is installed and is compressed tightly hydro-cylinder (4), two all be fixed with on the output shaft of compressed tightly hydro-cylinder (4) and press from both sides tight long piece (5), two pinch rollers (51) which are symmetrically arranged front and back are mounted on the upper surface and the lower surface of the clamping long block (5), and a pressing and fixing mechanism (6) fixed on the machining operation table (1) is arranged on the lower side of each pinch roller (51).

2. The machining device with the reversible clamping mechanism as claimed in claim 1, wherein the lifting mechanism (2) further comprises a square vertical rod (21) fixed on the upper surface of the machining workbench (1), a long installation groove (22) is formed in the inner side of the square vertical rod (21), a transmission screw (23) is vertically and rotatably installed in the long installation groove (22), the moving block (24) is connected to the transmission screw (23) through threads, and the cross-sectional shapes of the moving block (24) and the long installation groove (22) are matched in size.

3. The machining device with the reversible clamping mechanism as claimed in claim 2, characterized in that the upper side of the drive screw (23) is rotatably connected with the square vertical rod (21) through a first bearing, the square vertical rod (21) is fixed with the outer ring of the first bearing, the drive screw (23) is fixed with the inner ring of the first bearing, the lower side of the drive screw (23) is rotatably connected with the machining workbench (1) through a second bearing, the machining workbench (1) is fixed with the outer ring of the second bearing, and the drive screw (23) is fixed with the inner ring of the second bearing.

4. The machining device with the reversible clamping mechanism as claimed in claim 2, characterized in that the driving mechanism (7) comprises a motor fixing plate fixed on the machining workbench (1) through a fixing bracket, a second motor (71) is fixed on the lower surface of the motor fixing plate, the output end of the second motor (71) penetrates through the motor fixing plate and is fixed with a driving chain disc (72), the lower ends of the two transmission screws (23) penetrate through the machining workbench (1) and are fixed with driven chain discs (73), and the two driven chain discs (73) are in transmission connection with the driving chain disc (72) through chains (74).

5. The machining apparatus with a reversible clamping mechanism according to claim 4, wherein the first motor (3), the pressing cylinder (4) and the second motor (71) are electrically connected with an external power supply and an external PLC controller.

6. The machining apparatus with a reversible clamping mechanism according to claim 1, wherein the pressing and fixing mechanism (6) comprises two square fixing blocks (61) which are symmetrically arranged in front and back and fixed on the upper surface of the machining workbench (1), a turning member (62) is arranged between the two square fixing blocks (61), rotating shafts (63) are fixed on the front side and the back side of the turning member (62), the two rotating shafts (63) are respectively and rotatably connected with the two square fixing blocks (61), the outer sides of the two rotating shafts (63) respectively penetrate through the two square fixing blocks (61), rotating blocks (64) fixed on the outer circumferential surfaces of the two rotating shafts (63) are respectively arranged on the outer sides of the two square fixing blocks (61), limiting blocks (67) are arranged on the outer sides of the rotating blocks (64), and arc-shaped rods (66) are fixed on the inner sides of the limiting blocks (67), the inboard of arc pole (66) runs through turning block (64) and is fixed with bottom block (65), bottom block (65) are fixed with square fixed block (61), be provided with arc spring (68) that the cover was located arc pole (66) between bottom block (65) and turning block (64), the upside of upset piece (62) is provided with compresses tightly piece (69).

7. The machining apparatus with a reversible clamping mechanism according to claim 6, wherein the rotating shaft (63) is rotatably connected with a square fixing block (61) through a third bearing, the square fixing block (61) is fixed with an outer ring of the third bearing, and the rotating shaft (63) is fixed with an inner ring of the third bearing.

8. The machining apparatus with a reversible gripper mechanism according to claim 6, wherein the turnover member (62) includes an L-shaped portion, an inclined portion is fixed to the inside of the L-shaped portion, the L-shaped portion is arranged at an obtuse angle with the inclined portion, a vertical portion is fixed to the inside of the inclined portion, an inclined surface is machined on the upper surface of the vertical portion, and the pressing member (69) is arranged on the upper side of the L-shaped portion of the turnover member (62).

9. The machining apparatus with a reversible chuck mechanism according to claim 8, wherein the pressing member (69) includes an adjusting screw (691) screwed to the L-shaped portion of the reversing member (62), a rubber pressing block (692) is fixed to an inner side of the adjusting screw (691), and a rotating disk (693) is fixed to an outer side of the adjusting screw (691).

10. The machining apparatus with a reversible clamping mechanism according to claim 9, wherein the outer circumferential surface of the rotating disc (693) is provided with a laterally arranged anti-slip pattern.