Disclosure of Invention
The invention provides a pneumatic indexing disc with stable positioning, which has the advantage of high braking stability of the indexing disc and solves the technical problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a pneumatic dividing disc with stable positioning comprises an installation base, wherein a limiting ring block is fixedly installed at the top of the installation base, an air cylinder assembly located on one side of the limiting ring block is further fixedly installed at the top of the installation base, end face bearings are respectively and fixedly sleeved at the top and the bottom of the inner side of the limiting ring block, the end face bearings at the top and the bottom of the limiting ring block are respectively and fixedly connected with an upper dividing disc and a lower dividing disc, the upper dividing disc and the lower dividing disc are completely identical in shape and size, a circle of limiting grooves which are arranged at equal intervals are formed in the outer edges of the upper dividing disc and the lower dividing disc, the number of the limiting grooves is twenty-four, a cylindrical stop block capable of moving longitudinally is sleeved in each limiting groove, a middle shaft is fixedly connected between the middle parts of the upper dividing disc and the lower dividing disc, and a driven gear located on the inner side of the limiting ring block is fixedly connected with the middle part of the middle shaft, the telescopic end of the air cylinder component is fixedly connected with a transmission plate, one end of the transmission plate extends to the inner side of the limiting ring block and is movably sleeved with a linkage toothed plate, one side of the linkage toothed plate is meshed with the outer edge of the driven gear, a limiting block positioned below the linkage toothed plate is fixedly installed in the limiting ring block, a circle of limiting groove is formed in the limiting block, and a limiting shaft movably sleeved with the limiting groove is fixedly sleeved in the middle of the linkage toothed plate;
the utility model discloses a cylinder dog, including inject the ring piece, the one side of injecing the ring piece is seted up the columnar order groove that is located cylinder dog department, the inside movable sleeve in columnar order groove is equipped with two sliding blocks, two the one end of sliding block is equipped with the spacing ball that is located the injecing groove department of upper graduated disk, next graduated disk respectively, the opposite side fixedly connected with passive board of linkage pinion rack, the notch that cup joints with passive board activity is seted up at the middle part of injecing the ring piece inboard, and the notch is located the middle part in columnar order groove, notch and columnar order inslot mutually perpendicular, and the one end extensible of passive board to the columnar order inslot, the top and the equal fixedly connected with magnetic sheet in bottom of passive board one end.
Optionally, both sides of the bottom of the limiting ring block are provided with supporting shafts, the supporting shafts are fixedly connected with the installation base, limiting ring plates are fixedly sleeved on the top and the bottom of the inner side of the limiting ring block, limiting blocks are fixedly installed on the limiting ring plates at the bottom of the limiting ring block, two supporting ring plates are fixedly connected to the limiting ring plates respectively, and the two supporting ring plates are movably sleeved with the two end face bearings respectively.
Optionally, the two sides of the cylindrical stop block are both fixedly connected with a limiting block, the two sides inside the limiting groove are provided with clamping grooves located on the inside of the upper dividing plate, the clamping grooves are matched with the limiting blocks, the other two sides inside the limiting groove are provided with vertical grooves matched with the limiting blocks, and the vertical grooves are communicated with the clamping grooves.
Optionally, the one end fixedly connected with universal driving shaft of sliding block, and the diameter of universal driving shaft is less than the diameter in cylindrical groove, the top of universal driving shaft extends to outside and the fixedly connected with linkage block of injecing the ring piece, spacing ball activity suit is on the linkage block, fixedly connected with activity suit is at the spring of universal driving shaft between linkage block and the injecing the ring piece.
Optionally, two supporting plates located on one side of the limiting ring block are fixedly mounted at the top of the mounting base, the air cylinder assembly is fixedly mounted on the supporting plates, the center height of the air cylinder assembly is the same as that of the limiting ring block, and a through groove located at the position of the transmission plate and the linkage toothed plate is formed in the limiting ring block.
The invention provides a pneumatic index plate with stable positioning, which has the following beneficial effects:
1. this pneumatic graduated disk that location is stable through add the lower graduated disk that is the same completely with last graduated disk in the bottom of injecing the ring piece, utilizes two end face bearings of fixed on the injecing ring piece respectively with last graduated disk, lower graduated disk fixed connection to the bearing capacity of last graduated disk has been improved, and through the meso position axle of being connected between last graduated disk, the lower graduated disk, has ensured the stationarity that the upper graduated disk is rotatory.
2. This pneumatic graduated disk that location is stable, spacing ball through the sliding block one end of injecing the ring piece upper and lower acts on last graduated disk and next graduated disk simultaneously, compare in current pneumatic graduated disk single-point braking mode, utilize last graduated disk, the central point displacement of the last limited groove of next graduated disk is on the same straight line, when improving last graduated disk braking effect, the effectual current pneumatic graduated disk of having avoided is when high-speed rotatory scram, brake by the single-point, easy unstability causes the problem that fluctuates and unstable, thereby the stability of last graduated disk at braking in-process has been improved, thereby can carry out the accurate positioning fast.
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. 1-7, a stable positioning pneumatic indexing disc includes an installation base 1, a limiting ring block 3 is fixedly installed on the top of the installation base 1, a cylinder assembly 18 located on one side of the limiting ring block 3 is also fixedly installed on the top of the installation base 1, end bearings 6 are respectively and fixedly sleeved on the top and bottom of the inner side of the limiting ring block 3, the end bearings 6 on the top and bottom of the limiting ring block 3 are respectively and fixedly connected with an upper indexing disc 7 and a lower indexing disc 8, the upper indexing disc 7 and the lower indexing disc 8 have the same shape and size, a circle of limiting grooves 703 arranged at equal intervals are respectively formed on the outer edges of the upper indexing disc 7 and the lower indexing disc 8, the number of the limiting grooves 703 is twenty four, a longitudinally movable cylindrical stopper 701 is sleeved inside each limiting groove 703, and a middle position shaft 9 is fixedly connected between the middle parts of the upper indexing disc 7 and the lower indexing disc 8, the middle part of the neutral shaft 9 is fixedly connected with a driven gear 10 positioned on the inner side of the limiting ring block 3, the telescopic end of the air cylinder component 18 is fixedly connected with a transmission plate 19, one end of the transmission plate 19 extends to the inner side of the limiting ring block 3 and is movably sleeved with a linked toothed plate 20, one side of the linked toothed plate 20 is meshed with the outer edge of the driven gear 10, a limiting block 21 positioned below the linked toothed plate 20 is fixedly installed in the limiting ring block 3, a circle of limiting groove 22 is formed in the limiting block 21, and a limiting shaft 201 movably sleeved with the limiting groove 22 is fixedly sleeved in the middle part of the linked toothed plate 20;
the limiting ring is characterized in that a cylindrical groove 11 located at a cylindrical stop block 701 is formed in one side of the limiting ring 3, two sliding blocks 12 are movably sleeved in the cylindrical groove 11, limiting balls 15 located at limiting grooves 703 of an upper dividing plate 7 and a lower dividing plate 8 are respectively arranged at one ends of the two sliding blocks 12, a driven plate 202 is fixedly connected to the other side of the linkage toothed plate 20, a notch movably sleeved with the driven plate 202 is formed in the middle of the inner side of the limiting ring 3 and located in the middle of the cylindrical groove 11, the notch is perpendicular to the cylindrical groove 11, one end of the driven plate 202 can extend into the cylindrical groove 11, magnetic plates 203 are fixedly connected to the top and the bottom of one end of the driven plate 202, a lower dividing plate 8 which is identical to the upper dividing plate 7 is additionally arranged at the bottom of the limiting ring 3, and two end face bearings 6 fixed on the limiting ring 3 are respectively connected with the upper dividing plate 7, The lower dividing disc 8 is fixedly connected, so that the bearing capacity of the upper dividing disc 7 is improved, the rotation stability of the upper dividing disc 7 is guaranteed through the middle shaft 9 connected between the upper dividing disc 7 and the lower dividing disc 8, the cylindrical stop blocks 701 on the upper dividing disc 7 and the lower dividing disc 8 are controlled to rotate to the lower part of the sliding block 12 through the cylindrical stop blocks 701 on the upper dividing disc 7 and the cylindrical stop blocks 701 on the lower dividing disc 8 moving upwards, the stop ball 15 is clamped with the limiting groove 703 to stop, the angle of each rotation stop of the upper dividing disc 7 can be accurately controlled to be constant, the angle of each rotation stop of the upper dividing disc 7 can be conveniently controlled to be different through controlling the position of the cylindrical stop blocks 701 relative to the limiting groove 703, the different angles are 15 degrees, 30 degrees, 45 degrees and … … 180 degrees, and can be used according to specific conditions, one end through cylinder assembly 18 drives linkage pinion 20 and removes, make driven gear 10, meso position axle 9, upper graduated disk 7 and lower graduated disk 8 bodily rotation, and by limiting ball 15 on the sliding block 12 of limiting ring piece 3 upper and lower both sides simultaneously to upper graduated disk 7, limiting groove 703 on the lower graduated disk 8 carries out spacingly, upper graduated disk 7, the central point displacement of limiting groove 703 on the lower graduated disk 8 is on the same straight line, when improving upper graduated disk 7 braking effect, effectually avoided current pneumatic graduated disk when high-speed rotatory scram, brake by the single-point, the easy unsteady problem that causes the oscilation, thereby the stability of upper graduated disk 7 in braking process has been improved, thereby can carry out accurate positioning fast.
Wherein, the two sides of the bottom of the limiting ring block 3 are provided with supporting shafts 2, the supporting shafts 2 are fixedly connected with the mounting base 1, the top and the bottom of the inner side of the limiting ring block 3 are fixedly sleeved with limiting ring plates 4, the limiting blocks 21 are fixedly arranged on the limiting ring plates 4 at the bottom of the limiting ring block 3, the two limiting ring plates 4 are respectively and fixedly connected with supporting ring plates 5, the two supporting ring plates 5 are respectively and movably sleeved with two end face bearings 6, a certain distance is reserved between the upper dividing plate 7 and the lower dividing plate 8 and the top and the bottom of the limiting ring block 3 through the arrangement of the limiting ring plates 4 and the supporting ring plates 5, so that the sliding blocks 12 in the limiting ring block 3 can move up and down, the limiting balls 15 on the limiting ring plates 12 are matched with the limiting grooves 703 in a clamping manner, the braking and positioning functions are realized, and the supporting rotation of the end face bearings 6 improves the bearing capacity of the upper dividing plate 7, thereby improving the service life of the upper indexing disc 7.
Wherein, both sides of the cylindrical stop block 701 are fixedly connected with a limiting block 702, both sides inside the limiting groove 703 are provided with a clamping groove positioned on the inside of the upper dividing disc 7, the clamping groove is matched with the limiting block 702, the other two sides inside the limiting groove 703 are provided with vertical grooves matched with the limiting block 702, and the vertical grooves are communicated with the clamping groove, so that after the division of the upper dividing disc 7 is determined according to requirements, if every circle of interval is ninety degrees, the cylindrical stop blocks 701 on the four symmetrical upper dividing discs 7 are lifted up and rotated, the limiting blocks 702 on the cylindrical stop blocks 701 are clamped with the clamping groove, while the bottoms of other cylindrical stop blocks 701 are just level with the bottom of the upper dividing disc 7, the lower dividing disc 8 is operated as above in the same way, thereby facilitating the limiting ball 15 on the sliding block 12 to be clamped with the limiting groove 703 at the stop block of the lifting cylinder 701 in the rotating process of the upper dividing disc 7, the brake indexing of the upper indexing disc 7 is realized, the operation of workers is facilitated, and the stability of starting and stopping the pneumatic indexing disc at each time is guaranteed.
Wherein, one end fixedly connected with universal driving shaft 13 of sliding block 12, and the diameter of universal driving shaft 13 is less than the diameter of cylindrical groove 11, the top of universal driving shaft 13 extends to the outside of injecing ring 3 and fixedly connected with linkage block 14, spacing ball 15 activity suit is on linkage block 14, fixedly connected with activity suit is at the spring 16 of universal driving shaft 13 between linkage block 14 and the injecing ring 3, the outside of sliding block 12 and the inner wall laminating of cylindrical groove 11, sliding block 12 is stable fixed and reciprocates, when passive plate 202 moves to cylindrical groove 11 along with linkage pinion rack 20, the power of spring 16 is overcome to the suction of sliding block 12 by magnetic plate 203, thereby make linkage block 14 drive spacing ball 15 and move down and break away from limiting groove 703, thereby be convenient for upper graduated disk 7 to continue to rotate, and after magnetic plate 203 breaks away from cylindrical groove 11, the power of spring 16 makes spacing ball 15 on the linkage block 14 of upper and lower both sides of injecing ring 3 hug closely the bottom and the upper graduated disk 7 and the diameter of hugging closely The top of the lower index plate 8 is clamped with the limiting groove 703 at the next position on the upper index plate 7 until the linkage block 14 is in a reciprocating manner, so that the precision of stopping the upper index plate 7 in each rotation is guaranteed.
The top of the mounting base 1 is fixedly provided with two supporting plates 17 located on one side of the limiting ring block 3, the air cylinder assembly 18 is fixedly mounted on the supporting plates 17, the center height of the air cylinder assembly 18 is the same as that of the limiting ring block 3, the limiting ring block 3 is provided with through grooves located at the transmission plate 19 and the linkage toothed plate 20, so that the transmission plate 19 and the linkage toothed plate 20 at one end of the air cylinder assembly 18 are exactly located on the same plane as the driven gear 10, and therefore when the linkage toothed plate 20 moves under the driving of the air cylinder assembly 18, the transmission plate 19 can drive the driven gear 10, the middle shaft 9, the upper indexing disc 7 and the lower indexing disc 8 to rotate positively.
When the device works, firstly, after the rotation degree of the upper dividing plate 7 is determined, the cylindrical stop blocks 701 on the upper dividing plate 7 and the lower dividing plate 8 are controlled to move, so that a space sleeved with the limiting ball 15 is reserved in the limiting groove 703 at the position, if the rotation angle of the upper dividing plate 7 is determined to be ninety degrees each time, namely, four symmetrical limiting grooves 703 on the upper dividing plate 7 are controlled to reserve spaces sleeved with the limiting ball 15, a workpiece and the like are placed at the position, then, one end of the air cylinder assembly 18 drives the linkage toothed plate 20 to move by inflating the air cylinder assembly 18 once, so that the driven gear 10, the middle shaft 9, the upper dividing plate 7 and the lower dividing plate 8 are driven to integrally rotate, the linkage toothed plate 20 is deflected towards the left side under the limiting of the limiting groove 22 on the limiting block 21 and separated from the driven gear 10, and the driven gear 10 continues to rotate under inertia, until the limiting ball 15 lifts the limiting groove 703 at the cylindrical stopper 701 to be clamped, so as to be stationary, then the linked toothed plate 20 is controlled to reset and move, until the limiting shaft 201 on the linked toothed plate 20 moves to the right side of the limiting groove 22, the limiting shaft 201 just moves into the cylindrical groove 11, the attraction force of the magnetic plate 203 to the sliding block 12 overcomes the elastic force of the spring 16, so that the sliding block 12 moves towards the magnetic plate 203, the limiting ball 15 is driven to separate from the upper indexing disc 7, and as the linkage tooth plate 20 continues to move towards the driven gear 10, the driven gear 10 is driven to rotate, so that the upper indexing disc 7 and the lower indexing disc 8 rotate, the limiting ball 15 moves tightly attached to the surfaces of the upper indexing disc 7 and the lower indexing disc 8 under the elastic force of the spring 16, when the upper indexing disc 7 rotates to the next position, the upper indexing disc 7 is clamped and braked by the limiting groove 703, and the operation is repeated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.