CN111251032B

CN111251032B - Clamping device capable of rotating during milling

Info

Publication number: CN111251032B
Application number: CN202010296889.8A
Authority: CN
Inventors: 褚雅囡
Original assignee: Dongying Changsheng Precision Casting Co ltd
Current assignee: Dongying Changsheng Precision Casting Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-10-30
Anticipated expiration: 2040-04-15
Also published as: CN111251032A

Abstract

The invention discloses a clamping device capable of rotating during milling, which comprises an installation box, wherein an installation cavity is arranged in the installation box, a bearing mechanism is arranged in the installation cavity, the bearing mechanism comprises a bearing box fixedly installed on the bottom end wall of the installation cavity, a bearing cavity with an opening at the upper part and the lower part is arranged in the bearing box, an adjusting rod is slidably installed in the bearing cavity, a trapezoidal block is fixedly installed on the lower end surface of the adjusting rod, and front-back symmetrical bearing springs are fixedly connected between the lower end surface of the trapezoidal block and the bottom end wall of the installation cavity. The surface of the workpiece can be effectively protected, the workpiece can be driven to automatically turn when required to rotate, the workpiece can turn without being dismounted again, the trouble of resetting the tool is avoided, and the machining process is more comfortable.

Description

Clamping device capable of rotating during milling

Technical Field

The invention relates to the technical field of milling, in particular to a clamping device capable of rotating during milling.

Background

Milling is a method of cutting a workpiece using a rotating multi-edge tool, and is a highly efficient machining method. During operation, the tool rotates and the workpiece is mounted stationary, but the rotating tool must also be moved to perform the main and feed movements. The workpiece cannot be clamped well, effectively, quickly and uniformly when being clamped, the surface of the workpiece needs to be protected to clamp in the clamping process, the machined surface is better cared, and the precision is prevented from being damaged; and when the direction needs to be changed in the process of milling and clamping the workpiece, an operator needs to manually change the direction, and the milled workpiece needs to be reset after the direction is changed, so that the tool setting is very inconvenient, and the working efficiency is not high.

Disclosure of Invention

Aiming at the technical defects, the invention provides a clamping device capable of rotating during milling, which can overcome the defects.

The rotatable clamping device during milling of the device comprises an installation box, wherein an installation cavity is arranged in the installation box, a bearing mechanism is arranged in the installation cavity, the bearing mechanism comprises a bearing box fixedly installed on the bottom end wall of the installation cavity, a bearing cavity with an opening at the upper part and the lower part is arranged in the bearing box, an adjusting rod is slidably installed in the bearing cavity, a trapezoidal block is fixedly installed on the lower end surface of the adjusting rod, bearing springs which are symmetrical in the front and back are fixedly connected between the lower end surface of the trapezoidal block and the bottom end wall of the installation cavity, moving boxes which are symmetrical in the left and right are fixedly installed on the bottom end wall of the installation cavity, a moving cavity is arranged in the moving box, a moving block connected into the bearing cavity and abutted against the inclined surface of the trapezoidal block is slidably installed in the moving cavity, and a moving spring is fixedly connected, a front supporting block and a rear supporting block are fixedly arranged on the moving block from front to back, clamping mechanisms are arranged in the front supporting block and the rear supporting block, the clamping mechanism comprises openings which are symmetrically arranged at the end surface of the inner side of the installation box, a front stabilizing block and a rear stabilizing block which are internally provided with threads are fixedly arranged on the front and rear end walls of the installation cavity, the front stabilizing block and the rear stabilizing block are internally and respectively in threaded connection with a front threaded shaft and a rear threaded shaft, grooves are symmetrically arranged in the left and right of the upper end wall of the mounting cavity, sliding boxes are arranged in the grooves in a sliding manner, a sliding cavity is arranged in the sliding box, a connecting spring is fixedly connected between the end surface of the inner side of the sliding box and the end wall of the inner side of the groove, the sliding cavity is internally provided with a lifting mechanism, the left end wall and the right end wall of the inner side of the installation cavity are symmetrically rotated and provided with steering belts, and the steering belts are provided with steering mechanisms.

Preferably, bear the mechanism and still include fixed mounting just be located on the adjusting lever connecting block in the installation cavity, adjusting lever up end fixed mounting has the piece of bearing, the axis of rotation is installed in the bilateral symmetry rotation in the installation cavity front end wall, fixed mounting has the turning block on the axis of rotation of going up, turning block medial extremity face fixed mounting has the thing piece that holds of placing the work piece, the turning block inside and outside is equipped with rotates the chamber, the connecting axle is installed to the end wall internal rotation around rotating the chamber.

Preferably, bear the weight of the mechanism and still include that bilateral symmetry rotates to install be located in the installation cavity front end wall lower rotating shaft below the upper rotating shaft, fixed mounting has the inboard adjusting block who is equipped with two upper and lower inclined planes on the lower rotating shaft, the right side is equipped with the adjustment chamber in the adjusting block, the connecting axle is installed down to the end wall internal rotation around the adjustment chamber, down the connecting axle with the articulated connecting rod of installing between the last connecting axle.

Preferably, the clamping mechanism comprises a motor which is fixedly installed on the left end wall of the installation cavity in a bilateral symmetry manner, the power of the right end of the motor is connected with a driving shaft, a front installation belt pulley and a lower steering belt pulley are fixedly installed on the driving shaft from left to right, a front support block and a rear support block are respectively and rotatably installed in the front support block and the rear support block, a front threaded shaft is connected with the front threaded shaft through an internal spline, a rear threaded shaft is connected with the rear threaded shaft through an internal spline, a clamping block is abutted against the front end face of the front threaded shaft and the rear stabilizing block, a circular groove is arranged in the clamping block, an arc-shaped block is slidably installed in the circular groove, an installation shaft is fixedly installed on the outer end face of the clamping block, a driven gear is fixedly installed on the installation shaft, a driven shaft is rotatably installed in the inner side end wall of, and an installation belt is connected between the rear installation belt pulley and the front installation belt pulley.

Preferably, the sliding cavity upper end face is fixedly provided with an air pump, the sliding cavity is internally provided with a fixed block fixedly connected with the rear end face of the arc-shaped block in a sliding manner, the fixed block upper end face is fixedly connected with a sliding spring between the lower end face of the air pump, and the fixed block is internally provided with a fixed cavity.

Preferably, steering mechanism includes that bilateral symmetry rotates to be installed in the inboard end wall of installation cavity and pass through the steering spindle of fixed chamber, fixed mounting has on the steering spindle and is located the last belt pulley that turns to in the fixed chamber outside, go up turn to the belt pulley with be connected with the steering belt down between the belt pulley, rotate to install on the steering spindle and be located the last spline housing of fixed intracavity side, go up on the spline housing fixed mounting have can with driven gear meshing's steering gear.

The beneficial effects are that: the device can effectively protect the surface of the workpiece by automatically clamping and clamping the workpiece, can drive and automatically steer when the workpiece needs to rotate, can steer without re-assembling and disassembling the workpiece, avoids the trouble of re-aligning the tool, makes the machining process more comfortable, effectively improves the machining efficiency, ensures the machining precision and avoids the generation of precision errors during secondary alignment.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a clamping device capable of rotating during milling according to the present invention;

FIG. 2 is a schematic structural diagram of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the embodiment in the direction B in FIG. 1;

fig. 4 is an enlarged schematic structural diagram at C in fig. 1 according to an embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The rotatable clamping device during milling of the device comprises an installation box 15, an installation cavity 14 is arranged in the installation box 15, a bearing mechanism 67 capable of providing a clamping platform and effectively supporting stress of a workpiece during machining is arranged in the installation cavity 14, the bearing mechanism 67 comprises a bearing box 47 fixedly installed on the bottom end wall of the installation cavity 14, a bearing cavity 48 with an opening at the upper part and the lower part is arranged in the bearing box 47, an adjusting rod 51 is installed in the bearing cavity 48 in a sliding manner, a trapezoidal block 50 is fixedly installed on the lower end face of the adjusting rod 51, a bearing spring 49 which is symmetrical in the front-back direction is fixedly connected between the lower end face of the trapezoidal block 50 and the bottom end wall of the installation cavity 14, a movable box 10 which is symmetrical in the left-right direction is fixedly installed on the bottom end wall of the installation cavity 14, a movable cavity 12 is arranged in the movable box 10, and a movable block 11 which is connected to the inclined plane of the trapezoidal block, a moving spring 13 is fixedly connected between the end surface of the outer side of the moving block 11 and the end wall of the outer side of the moving cavity 12, a front supporting block 16 and a rear supporting block 63 are fixedly installed on the moving block 11 from front to rear, a clamping mechanism 69 capable of clamping and adjusting the force of a workpiece through driving is arranged in the front supporting block 16 and the rear supporting block 63, the clamping mechanism 69 comprises openings 34 which are bilaterally symmetrically arranged on the end surface of the inner side of the installation box 15, the workpiece can be clamped by the clamping mechanism 69 through the openings 34, a front stabilizing block 58 and a rear stabilizing block 60 which are internally provided with threads are fixedly installed on the end wall of the installation cavity 14 from front to rear, a front threaded shaft 18 and a rear threaded shaft 61 are respectively connected in the front stabilizing block 58 and the rear stabilizing block 60 through threads, a groove 32 is arranged in the bilateral symmetry of the upper end wall of the installation cavity 14, and a sliding box 29 is installed, be equipped with the slip chamber 28 in the slip case 29, slip case 29 medial surface with fixedly connected with connecting spring 33 between the inboard end wall of recess 32, be equipped with in the slip chamber 28 and carry out the lifting mechanism 68 through bleeding and lifting to the work piece after pressing from both sides tightly, bilateral symmetry rotates in the inboard end wall of installation cavity 14 and installs and turn to belt 24, it can carry out the position to the work piece and turn to the steering mechanism 70 that changes the processing position to turn to being equipped with on the belt 24.

Beneficially, the bearing mechanism 67 further comprises a connecting block 46 fixedly mounted on the adjusting rod 51 and located in the mounting cavity 14, a bearing block 45 is fixedly mounted on the upper end face of the adjusting rod 51, the bearing block 45 enables a bearing workpiece to be stressed more stably in the machining process, an upper rotating shaft 37 is rotatably mounted in the front end wall of the mounting cavity 14 in a left-right symmetry mode, a rotating block 36 is fixedly mounted on the upper rotating shaft 37, an object bearing block 35 for placing the workpiece is fixedly mounted on the end face of the inner side of the rotating block 36, rotating cavities 38 are arranged on the inner side and the outer side of the rotating block 36, and an upper connecting shaft 39 is rotatably mounted in the front end wall and the rear end wall of the rotating cavity 38.

Beneficially, the bearing mechanism 67 further includes a lower rotating shaft 43 which is installed in the front end wall of the installation cavity 14 in a bilateral symmetry manner and located below the upper rotating shaft 37, an adjusting block 44 with an upper inclined plane and a lower inclined plane on the inner side is fixedly installed on the lower rotating shaft 43, an adjusting cavity 41 is installed on the inner right side of the adjusting block 44, a lower connecting shaft 42 is installed in the front end wall and the rear end wall of the adjusting cavity 41 in a rotating manner, a connecting rod 40 is installed between the lower connecting shaft 42 and the upper connecting shaft 39 in a hinged manner, and placing a workpiece on the object bearing block 35 can cause the object bearing block 35 and the rotating block 36 to move downwards around the connecting shaft 39 in a rotating manner, and then the adjusting block 44 rotates around the lower rotating shaft 43 through the connecting rod 40 to cause the adjusting rod.

Beneficially, the clamping mechanism 69 comprises a motor 21 which is fixedly installed on the left end wall of the installation cavity 14 in a bilateral symmetry manner, a driving shaft 20 is dynamically connected to the right end of the motor 21, a front installation belt pulley 22 and a lower steering belt pulley 23 are fixedly installed on the driving shaft 20 from left to right, a front spline housing 19 and a rear spline housing 62 are respectively installed in the front support block 16 and the rear support block 63 in a rotating manner, the front spline housing 19 is internally splined with the front threaded shaft 18, the rear spline housing 62 is internally splined with the rear threaded shaft 61, the front end faces of the front threaded shaft 18 and the rear stabilizing block 60 are abutted with the clamping block 17, a circular groove 56 is arranged in the clamping block 17, an arc-shaped block 57 is slidably installed in the circular groove 56, an installation shaft 55 is fixedly installed on the outer end face of the clamping block 17, and a driven gear 59 is fixedly installed on the installation, driven shaft 65 is installed in the bilateral symmetry rotation in the inboard end wall of installation cavity 14, fixed mounting has back installation belt pulley 64 on the driven shaft 65, back installation belt pulley 64 with be connected with installation belt 66 between the preceding installation belt pulley 22, through preceding threaded shaft 18 with the driving force of back threaded shaft 61 makes it can press from both sides the work piece tightly to press from both sides tight piece 17.

Beneficially, the air pump 30 is fixedly mounted on the upper end surface of the sliding cavity 28, the fixed block 27 fixedly connected with the rear end surface of the arc-shaped block 57 is slidably mounted in the sliding cavity 28, the sliding spring 31 is fixedly connected between the upper end surface of the fixed block 27 and the lower end surface of the air pump 30, the fixed cavity 54 is arranged in the fixed block 27, and the fixed block 27 can drive the arc-shaped block 57 to move upwards through air suction of the air pump 30, so that the clamping block 17 can move upwards to a position to be rotated when clamping a workpiece.

Beneficially, the steering mechanism 70 includes a steering shaft 25 which is bilaterally symmetrically and rotatably mounted in the end wall inside the mounting cavity 14 and passes through the fixed cavity 54, an upper steering pulley 26 which is located outside the fixed cavity 54 is fixedly mounted on the steering shaft 25, a steering belt 24 is connected between the upper steering pulley 26 and the lower steering pulley 23, an upper spline housing 52 which is located inside the fixed cavity 54 is rotatably mounted on the steering shaft 25, a steering gear 53 which can be meshed with the driven gear 59 is fixedly mounted on the upper spline housing 52, and the workpiece can be rotated through the meshing transmission of the driven gear 59 and the steering gear 53, so as to realize the steering.

In the initial state, the connecting spring 33 is in an undeformed state, the slide spring 31 is in an undeformed state, the moving spring 13 is in an undeformed state, and the carrier spring 49 is in an undeformed state.

When the workpiece is placed on the object bearing block 35, the upper rotating shaft 37 rotates, so that the ends, opposite to the object bearing blocks 35 and the rotating blocks 36, of the left side and the right side move downwards, the adjusting block 44 rotates around the lower rotating shaft 43 through the connecting rod 40 to enable the adjusting rod 51 to move downwards, the trapezoidal block 50 moves downwards, the moving block 11 in inclined plane contact with the trapezoidal block 50 moves outwards, the front supporting block 16 and the rear supporting block 63 move outwards, and the front spline housing 19 and the rear spline housing 62 are enabled to be in spline connection with the driven shaft 65 of the driving shaft 20 respectively;

the motor 21 is activated to rotate the drive shaft 20, causing the front mounting pulley 22 and the lower steering pulley 23 to rotate, the drive shaft 20 rotating causes the front mounting pulley 22 and the rear mounting pulley 64 to pass between the mounting belt 66, thereby causing the driven shaft 65 to rotate, causing the front spline housing 19 and the rear spline housing 62 to rotate, causing the front threaded shaft 18 and the rear threaded shaft 61 to be in threaded connection with the front stabilizing block 58 and the rear threaded shaft 61, respectively, causing the front threaded shaft 18 and the rear threaded shaft 61 to generate pushing force, causing the clamping block 17 to clamp the workpiece through the opening 34, meanwhile, when the clamping block 17 moves, the arc-shaped block 57 and the fixed block 27 are pulled inwards, the sliding box 29 is promoted to move inwards, simultaneously, the driving shaft 20 rotates to enable the lower steering belt pulley 23 and the upper steering belt pulley 26 to pass through the steering belt 24, so that the steering shaft 25 is caused to rotate, and the motor 21 stops rotating after a workpiece is clamped;

when the workpiece needs to be turned, the air pump 30 is pumped to enable the fixed block 27 to drive the arc-shaped block 57 to move upwards, the clamping block 17 is enabled to move upwards to a position to be rotated under the condition of clamping the workpiece, and meanwhile, the object bearing block 35 loses pressure and returns to the initial position, and the front support block 16 returns to the initial position;

then the motor 21 is started to drive the workpiece to rotate through the meshing transmission of the driven gear 59 and the steering gear 53, so that the reversing is realized, then the motor 21 is stopped, the air pump 30 is driven to generate air pressure to drive the fixing block 27 to move back and down and drive the clamping block 17 to move down, then the motor 21 is only required to be reversed to drive the clamping block 17 to return to the initial position when the workpiece needs to be taken down after the machining is finished, and the device returns to the initial position after the workpiece is taken away.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a rotatable clamping device when milling, includes the install bin, its characterized in that: a mounting cavity is arranged in the mounting box, a bearing mechanism is arranged in the mounting cavity, the bearing mechanism comprises a bearing box fixedly mounted on the bottom end wall of the mounting cavity, a bearing cavity with an opening is formed in the upper part and the lower part in the bearing box, an adjusting rod is slidably mounted in the bearing cavity, a trapezoidal block is fixedly mounted on the lower end face of the adjusting rod, front and back symmetrical bearing springs are fixedly connected between the lower end face of the trapezoidal block and the bottom end wall of the mounting cavity, a left and right symmetrical moving box is fixedly mounted on the bottom end wall of the mounting cavity, a moving cavity is arranged in the moving box, a moving block connected into the bearing cavity and abutted against the inclined face of the trapezoidal block is slidably mounted in the moving cavity, a moving spring is fixedly connected between the outer end face of the moving block and the outer end wall of the moving cavity, and a front supporting, the front supporting block and the rear supporting block are internally provided with a clamping mechanism, the clamping mechanism comprises an opening which is arranged on the inner side end face of the installation box in a bilateral symmetry manner, a front stabilizing block and a rear stabilizing block which are internally provided with threads are fixedly arranged on the front rear end wall of the installation cavity, the front stabilizing block and the rear stabilizing block are internally and respectively in threaded connection with a front threaded shaft and a rear threaded shaft, grooves are arranged in the upper end wall of the installation cavity in the bilateral symmetry manner, a sliding box is slidably arranged in the grooves, a sliding cavity is arranged in the sliding box, a connecting spring is fixedly connected between the inner side end face of the sliding box and the inner side end wall of the groove, a lifting mechanism is arranged in the sliding cavity, a steering belt is rotatably arranged in the inner side end wall of the installation cavity in the; the bearing mechanism further comprises a connecting block fixedly arranged on the adjusting rod and positioned in the mounting cavity, a bearing block is fixedly arranged on the upper end face of the adjusting rod, upper rotating shafts are symmetrically and rotatably arranged in the front end wall of the mounting cavity in a left-right mode, rotating blocks are fixedly arranged on the upper rotating shafts, object bearing blocks for placing workpieces are fixedly arranged on the end faces of the inner sides of the rotating blocks, rotating cavities are formed in the inner sides and the outer sides of the rotating blocks, and upper connecting shafts are rotatably arranged on the front end wall and the rear end wall of each rotating cavity; the bearing mechanism further comprises lower rotating shafts which are arranged in the front end wall of the installation cavity in a bilaterally symmetrical mode and are positioned below the upper rotating shafts, adjusting blocks with upper and lower inclined planes on the inner sides are fixedly arranged on the lower rotating shafts, adjusting cavities are arranged on the right sides in the adjusting blocks, lower connecting shafts are rotatably arranged in the front end wall and the rear end wall of each adjusting cavity, and connecting rods are hinged between the lower connecting shafts and the upper connecting shafts; the clamping mechanism comprises a motor which is fixedly arranged on the left end wall of the installation cavity in a bilateral symmetry manner, the right end of the motor is in power connection with a driving shaft, a front installation belt pulley and a lower steering belt pulley are fixedly arranged on the driving shaft from left to right, a front support block and a rear support block are respectively and rotatably arranged in the front support block and the rear support block, the front spline housing is in internal spline connection with the front threaded shaft, the rear spline housing is in internal spline connection with the rear threaded shaft, the front threaded shaft and the front end face of the rear stabilizing block are butted with a clamping block, a circular groove is arranged in the clamping block, an arc-shaped block is slidably arranged in the circular groove, an installation shaft is fixedly arranged on the outer end face of the clamping block, a driven gear is fixedly arranged on the installation shaft, a driven shaft is rotatably arranged in the left end wall of the inner side, an installation belt is connected between the rear installation belt pulley and the front installation belt pulley; an air pump is fixedly arranged on the upper end face of the sliding cavity, a fixed block fixedly connected with the rear end face of the arc-shaped block is slidably arranged in the sliding cavity, a sliding spring is fixedly connected between the upper end face of the fixed block and the lower end face of the air pump, and a fixed cavity is arranged in the fixed block; steering mechanism includes that bilateral symmetry rotates to be installed just pass through in the inboard end wall of installation cavity the steering spindle of fixed chamber, fixed mounting has on the steering spindle and is located the last belt pulley that turns to in the fixed chamber outside, go up turn to the belt pulley with be connected with between the lower belt pulley and turn to the belt, rotate on the steering spindle and install and be located the last spline housing of fixed intracavity side, go up on the spline housing fixed mounting can with driven gear meshing's steering gear.