CN113352108B - Automatic change cross slip table for machine tool - Google Patents

Automatic change cross slip table for machine tool Download PDF

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Publication number
CN113352108B
CN113352108B CN202110666971.XA CN202110666971A CN113352108B CN 113352108 B CN113352108 B CN 113352108B CN 202110666971 A CN202110666971 A CN 202110666971A CN 113352108 B CN113352108 B CN 113352108B
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China
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triggering
bin
pneumatic
close
air
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CN113352108A (en
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张恒玮
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Dongguan Shidatong Automation Co ltd
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Dongguan Shidatong Automation Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The application relates to the technical field of machining and discloses a cross sliding table for an automatic machining machine tool, which comprises two travel boxes I, wherein an air pressure device I and an air pressure device II are fixedly arranged at two ends of the travel boxes I respectively, a shell is fixedly arranged at a position, close to the two ends, of one side of the air pressure device, and a workpiece table is fixedly arranged at the top of a bearing plate. The load-bearing plate with larger mass and larger workpiece installed at the top of the workpiece table moves downwards more, and the positions of the adjusting holes and the air holes are corresponding, so that the intersecting area between the adjusting holes and the air holes is larger when the workpiece mass is larger, the gas injection quantity in unit time is higher, the generated thrust and suction force are larger, the dynamic balance can be carried out on the larger inertia force generated by the workpiece with larger mass, the problem that most of the stress generated by inertia still acts on threads on the outer surface of the screw rod I when the workpiece mass is larger, and the accelerated abrasion problem is avoided, and the reliability of the device is improved.

Description

Automatic change cross slip table for machine tool
Technical Field
The application relates to the technical field of machining, in particular to a cross sliding table for an automatic machining machine tool.
Background
Along with the development of the age and the progress of science and technology, fixed anchor clamps on the old-fashioned lathe are gradually eliminated, and the work piece platform that can carry out multiaxis operation instead, this kind of work piece platform generally has cross slip table and pivot to constitute, and even some work piece platforms more than five drive the cross slip table through multiaxis cantilever and carry out complicated motion to can process out some work pieces of complicacy appearance, current slip table realizes the automatic motion of work piece in the plane through the twin-wire pole and be ninety degrees design, the cross slip table of this kind of structure has simple structure, low cost, advantage such as reliability height.
Although the existing cross sliding table has certain advantages, certain limitations still exist in the daily use process, as the workpiece can move in various modes under the control of the cross sliding table, and when scram still occurs or the workpiece is switched to move reversely, inertia generated by the workpiece and the sliding table can directly act on threads on the surface of the screw rod, and in the processing process, the scram and the operation of reverse running are frequent, so that the screw rod surface has higher screw rod abrasion speed, the larger the mass of the workpiece is, the stronger the screw rod surface screw thread abrasion effect is, the service life of the screw rod is greatly reduced, and the use and maintenance cost of the device are improved.
Disclosure of Invention
Aiming at the defects of the cross sliding table for the automatic processing machine tool in the prior art in the use process, the application provides the cross sliding table for the automatic processing machine tool, which has the advantages that workpieces and the sliding table can balance inertia in the emergency stop and reverse operation processes, and solves the problem of faster screw thread abrasion on the surface of a screw rod in the traditional equipment.
The application provides the following technical scheme: the utility model provides an automatic change cross slip table for machine tool, includes travel box I, travel box I's quantity is two and travel box I's both ends respectively fixed mounting has pneumatic means I and pneumatic means II, fixed mounting has the shell on the position that pneumatic means one side is close to both ends, the inside fixed sleeve of shell has servo motor I, servo motor I's output shaft's one end fixed mounting has lead screw I, servo motor I drives the rotation opposite direction of lead screw I's both sides when rotating, fixed sleeve has gear and pneumatic means matched with on the position that lead screw I's surface is close to both ends, the lead screw I surface and be located the position between the gear have passed through the screw thread and have cup jointed the stroke piece, the top fixed mounting of stroke piece has travel box II, the one end fixed mounting of travel box II has servo motor II, the one end and the inside fixed mounting who is located travel box II, the surface of lead screw II has cup jointed the supporting shoe through the screw, the top fixed mounting of supporting shoe has the work piece platform, the position that the work piece platform both ends and are close to both sides is fixed mounting has on the position that the lead screw II is close to both sides, the air duct is located the fixed position that is close to both sides of the air duct and is located the fixed position of one side of adjusting device.
Preferably, the pneumatic device I comprises a rotating bin, a bearing is fixedly sleeved in the position, close to two ends, of one side of the rotating bin, a circular through hole is formed in the position, close to two ends, of the rotating bin, a screw rod I is fixedly sleeved in the bearing, an adjusting box is fixedly mounted on the other side of the rotating bin, a travel box I is fixedly mounted on the position, close to two ends, of one side of the adjusting box, a pneumatic bin is fixedly mounted in the inner cavity of the adjusting box and close to the middle of the adjusting box, travel rods are movably sleeved on two sides of the pneumatic bin, a piston is fixedly mounted at one end of the travel rods and positioned at the position, inside the pneumatic bin, of the travel rods, racks are arranged at the tops of the travel rods and positioned at two sides of the pneumatic bin, the pneumatic bin is meshed with the gears through the racks, and a triggering device is fixedly mounted at the tops of the circular through hole and the circular through hole, and the triggering device is two in number.
Preferably, the structure of the air pressure device I and the structure of the air pressure device II are similar, the triggering device I in the air pressure device I is positioned at the position, close to the middle, of the top of the air pressure bin, and the triggering device II in the air pressure device II is positioned at the position, close to the two sides, of the top of the air pressure bin.
Preferably, the triggering device I comprises a triggering cavity, the triggering rod is fixedly arranged in the triggering cavity, the number of the triggering rods is two, a blocking plate is movably sleeved on the triggering cavity, the blocking plate and the triggering rod are movably sleeved on the triggering rod, triggering springs are sleeved on the triggering rod outside at positions close to the two ends, one ends of the triggering springs are fixedly connected with the inner wall of the triggering cavity, the other sides of the triggering springs are fixedly connected with one sides of the blocking plate, an air guide port I is fixedly arranged at the top of the triggering cavity, the air guide port I is communicated with the inner cavity of the triggering cavity, the air guide port I is fixedly sleeved with one end of the air guide pipe, and the initial positions of the blocking plates correspond to the positions of circular through holes formed in the top of the air pressure bin.
Preferably, the adjusting device comprises an adjusting bin, a rectangular through hole is formed in the top and the bottom of the adjusting bin, a bearing plate is movably sleeved in the rectangular through hole, a workpiece table is fixedly arranged at the top of the bearing plate, a limiting plate is fixedly arranged at the bottom of the bearing plate, a limiting rod is fixedly arranged at the bottom of the adjusting bin and penetrates through the limiting plate, an adjusting spring is sleeved at the outer side of the limiting rod and below the limiting plate, a limiting plate is fixedly arranged at the bottom of the limiting rod, the top of the adjusting spring is contacted with the bottom of the limiting plate, the bottom of the adjusting spring is contacted with the top of the limiting plate, the number of adjusting holes and the number of adjusting holes are two at the position of the bearing plate, air holes and the number of air holes are three at one side of the outer surface of the adjusting bin, an air groove is fixedly arranged at the position of one side of the outer surface of the adjusting bin, an air guide II is fixedly arranged at the position of one side of the adjusting bin and two sides of the air groove, and an air guide pipe II is fixedly arranged at the position of one side of the air groove, and the air guide pipe II is connected with one end of the adjusting bin, which is communicated with the air guide port.
The application has the following beneficial effects:
1. according to the application, the screw rod I is fixedly arranged at one end of the output shaft of the servo motor I, so that the device can drive the stroke block through the two groups of servo motors I and the screw rod I, the inertia effect generated by acceleration and deceleration of the stroke block can be counteracted through the double screw rods I, compared with the prior device, the stress caused by inertia born by the screw thread on the screw rod of the device is greatly reduced, the problem of too high screw rod abrasion speed caused by too high stress born by a single screw rod in the deceleration and acceleration process of the sliding table is avoided, and the service life of the device is prolonged.
2. The application drives the screw rods I at two sides to rotate by the servo motor I, because the air pressure bins are meshed with the gears by the racks, the travel rods movably sleeved at two sides of the air pressure bins are driven by the gears to synchronously move when the screw rods I at two sides rotate, and pistons in the air pressure bins are in a mutually far away or mutually approaching movement state under the opposite rotating direction of the screw rods I at two sides, when the travel box II moves towards the direction of the air pressure device I, the pistons in the air pressure device I and the air pressure device II are mutually approaching at the moment, so that the air pressure in the accommodating cavity between the pistons in the air pressure bins is increased, the air pressure at two sides of the pistons is reduced, and the circular through holes at the tops of the air pressure bins are blocked by the blocking plates at the moment, so that the air pressure in the air pressure bins cannot be released, and when the travel box II brakes or moves reversely, at this time, under the action of inertia, the blocking plates in the triggering device I and the triggering device II move towards one side and enable the circular through holes at the top of the air pressure bin to be in a circulating state, because the triggering device I is positioned at the position of the top of the air pressure bin close to the middle, high-pressure air in the air pressure bin in the air pressure device I enters the regulating bin positioned at one side of the travel box II through the circular through holes at the top of the air pressure bin and the conduction of the air duct and is ejected out of the air holes and the air grooves, so as to generate thrust to the travel box II, meanwhile, the low-pressure air in the air pressure bin in the air pressure device II is positioned at the position of the top of the air pressure bin close to two sides, so that the air holes and the air grooves on the regulating bin at the other side of the travel box II inhale air in the same way to generate tensile force, and the resultant force direction of the tensile force is opposite to the inertia direction of the travel box II, thereby alleviate the effort of stroke case II in the in-process inertial force of speed reduction or reverse motion to screw rod I surface screw thread, further reduced the wearing and tearing to screw rod I surface screw thread and prolonged the life of this equipment.
3. According to the application, the workpiece table is fixedly arranged on the top of the bearing plate, so that the degree of downward movement of the bearing plate is higher as the mass of a workpiece arranged on the top of the workpiece table is larger, the crossed area between the regulating hole and the air hole is larger as the mass of the workpiece is larger due to the correspondence between the positions of the regulating hole and the air hole, the gas injection amount in unit time is higher, the generated thrust and suction force are larger, the dynamic balance can be carried out on the workpiece table and the larger inertia generated by the workpiece with large mass, the problem that most of the stress generated by inertia still acts on the threads on the outer surface of the screw rod I due to insufficient thrust when the workpiece mass is larger is avoided, and the reliability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a right side view of the structure of the present application;
FIG. 3 is a schematic top view of the structure of the present application;
FIG. 4 is a schematic front cross-sectional view of the structure of the present application;
FIG. 5 is a schematic right-side cross-sectional view of the structure of the present application;
FIG. 6 is a schematic view of a pneumatic device I with the structure of the application;
FIG. 7 is a schematic front view of the pneumatic device I of the present application;
FIG. 8 is a schematic top view of a pneumatic device I according to the present application;
FIG. 9 is a schematic front cross-sectional view of the pneumatic device I of the present application;
FIG. 10 is a schematic front cross-sectional view of a pneumatic device II of the present application;
FIG. 11 is a schematic diagram of a structural activation device according to the present application;
FIG. 12 is a schematic cross-sectional view of a structural activation device of the present application;
FIG. 13 is a schematic view of a structural adjustment device of the present application;
FIG. 14 is a schematic cross-sectional view of a structural adjustment device according to the present application.
In the figure: 1. a travel box I; 2. an air pressure device; 2a, an air pressure device I; 2b, an air pressure device II; 21. rotating the bin; 22. a bearing; 23. an adjusting box; 24. an air pressure bin; 25. a travel bar; 26. a piston; 27. a rack; 28. a triggering device; 28a, a triggering device I; 28b, triggering device ii; 281. a triggering cavity; 282. a trigger lever; 283. a blocking plate; 284. a trigger spring; 285. an air guide port I; 3. a housing; 4. a servo motor I; 5. a screw rod I; 6. a gear; 7. a travel block; 8. a travel box II; 9. a servo motor II; 10. a screw rod II; 11. a support block; 12. a work table; 13. a support bar; 14. an adjusting device; 141. adjusting the bin; 142. a bearing plate; 143. a limiting plate; 144. a limit rod; 145. an adjusting spring; 146. a limiting piece; 147. an adjustment aperture; 148. air holes; 149. an air tank; 1410. an air guide port II; 15. and an air duct.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-14, a cross sliding table for an automatic processing machine tool comprises a travel box i 1, wherein the number of the travel boxes i 1 is two, air pressure devices i 2a and ii 2b are respectively and fixedly installed at two ends of the travel box i 1, each air pressure device i 2a comprises a rotating bin 21, a circular through hole is formed in a position, close to two ends, of one side of the rotating bin 21, a bearing 22 is fixedly sleeved in the inner part of the circular through hole, a screw rod i 5 is fixedly sleeved in the inner part of the bearing 22, an adjusting box 23 is fixedly installed on the other side of the rotating bin 21, a travel box i 1 is fixedly installed in a position, close to two ends, of one side of the adjusting box 23, an air pressure bin 24 is fixedly installed in a position, close to the middle, of an inner cavity of the adjusting box 23, travel rods 25 are movably sleeved on two sides of the air pressure bin 24, a piston 26 is fixedly installed at one end of the travel rods 25 and positioned in the air pressure bin 24, the rack 27 is arranged at the top of the travel rod 25 and positioned at the positions of the two sides of the air pressure bin 24, the air pressure bin 24 is meshed with the gear 6 through the rack 27, a circular through hole is formed at the top of the air pressure bin 24, the trigger devices 28 are fixedly arranged at the tops of the circular through holes, the number of the trigger devices 28 is two, the structures of the air pressure devices I2 a and the air pressure devices II 2b are similar, the trigger devices I28 a in the air pressure devices I2 a are positioned at the positions of the tops of the air pressure bin 24 close to the middle, the trigger devices II 28b in the air pressure devices II 2b are positioned at the positions of the tops of the air pressure bin 24 close to the two sides, the trigger devices I28 a comprise a trigger cavity 281, the trigger rods 282 are fixedly arranged in the trigger cavity 281, the trigger rods 282 are movably sleeved with the blocking plates 283 in the trigger cavities 281, the blocking plates 283 are movably sleeved with the trigger rods 282, trigger springs 284 are sleeved at the positions of the outer sides of the trigger rods 282 close to the two ends, one end of the trigger spring 284 is fixedly connected with the inner wall of the trigger cavity 281, the other side of the trigger spring 284 is fixedly connected with one side of the blocking plate 283, the top of the trigger cavity 281 is fixedly provided with an air guide port I285, the air guide port I285 is communicated with the inner cavity of the trigger cavity 281, the air guide port I285 is fixedly sleeved with one end of the air guide pipe 15, the initial position of the blocking plate 283 corresponds to the position of a circular through hole formed in the top of the air pressure bin 24, a shell 3 is fixedly arranged at one side of the air pressure device 2 near the two ends, a servo motor I4 is fixedly sleeved in the inner part of the shell 3, a screw rod I5 is fixedly arranged at one end of an output shaft of the servo motor I4, the device can drive the stroke block 7 through the two groups of servo motors I4 and the screw rod I5, so that inertia effects generated by acceleration and deceleration of the stroke block 7 can be counteracted through the double screw rods I5, compared with the prior equipment, the stress caused by the inertia born by the screw thread on the screw rod of the screw rod device is greatly reduced, the problem that the screw rod wear speed is too high due to the too high stress born by a single screw rod in the process of decelerating and accelerating a sliding table is avoided, the service life of the equipment is prolonged, the rotating directions of the screw rods I5 on two sides are opposite when the servo motor I4 drives the screw rod I5 to rotate, the pneumatic bin 24 is meshed with the gear 6 through the rack 27, the travel rods 25 movably sleeved on two sides of the pneumatic bin 24 are driven to synchronously move through the gear 6 when the screw rod I5 rotates, under the action of opposite rotating directions of the screw rods I5 on two sides, the pistons 26 in the pneumatic bin 24 are in a mutually far away or mutually close moving state, when the travel box II 8 moves towards the direction of the pneumatic device I2 a, the pistons 26 in the pneumatic device I2 a and the pneumatic device II 2b are mutually close, the air pressure in the cavity between the pistons 26 is increased and the air pressure at two sides of the pistons 26 is reduced in the cavity of the air pressure bin 24, the circular through holes at the top of the air pressure bin 24 are blocked by the blocking plate 283, so that the air pressure in the cavity of the air pressure bin 24 cannot be released, when the travel box II 8 brakes or moves reversely, the blocking plate 283 in the trigger device I28 a and the trigger device II 28b moves towards one side under the action of inertia, the circular through holes at the top of the air pressure bin 24 are in a circulating state, the trigger device I28 a is positioned at the position, close to the middle, of the top of the air pressure bin 24, in the air pressure device I2 a, high-pressure air in the air pressure bin 24 enters the regulating bin 141 at one side of the travel box II 8 through the circular through holes at the top of the air pressure bin 24 and the conduction of the air duct 15, and is ejected out of the air holes 148 and the air grooves 149, so that the thrust is generated to the travel box II 8, and simultaneously, the low air pressure in the air pressure bin 24 in the air pressure device II 2b moves towards one side of the air bin 24 and the other side of the air bin 24 is enabled to be in a circulating state, the same way as the air hole II is positioned at the position, so that the air pressure in the opposite direction of the travel box II 8 is generated by the air hole 148 and the air grooves 149 on the other side of the air bin 24, the opposite direction of the air hole 8, so that the friction is further reduced, and the friction force of the screw rod 5 is generated to the screw rod 5 is extended, and the direction of the screw rod 5 is moved towards the opposite direction of the travel box 8. The gear 6 is fixedly sleeved on the outer surface of the screw rod I5 near the positions of the two ends, the gear 6 is matched with the air pressure device 2, the outer surface of the screw rod I5 is sleeved with the travel block 7 through threads at the position between the gears 6, the top of the travel block 7 is fixedly provided with the travel box II 8, one end of the travel box II 8 is fixedly provided with the servo motor II 9, one end of the output shaft of the servo motor II 9 is fixedly provided with the screw rod II 10 inside the travel box II 8, the outer surface of the screw rod II 10 is sleeved with the supporting block 11 through threads, the top of the supporting block 11 is fixedly provided with the workpiece table 12, the two ends of the workpiece table 12 are fixedly provided with the supporting bars 13 near the positions of the two sides, the two sides of the outer surface of the travel box II 8 are fixedly provided with the adjusting device 14 in the middle, the adjusting device 14 comprises the adjusting bin 141, rectangular through holes are formed in the top and the bottom of the adjusting bin 141, a bearing plate 142 is movably sleeved in the rectangular through holes, a workpiece table 12 is fixedly arranged at the top of the bearing plate 142, the greater the mass of a workpiece mounted at the top of the workpiece table 12, the higher the downward movement degree of the bearing plate 142 is, the greater the mass of the workpiece is, the greater the position of the adjusting hole 147 corresponds to the position of the air hole 148, the larger the intersecting area between the adjusting hole 147 and the air hole 148 is, the higher the gas jet amount in unit time is, the greater the thrust and suction force are generated, the larger inertia generated by the air jet device and the large-mass workpiece can be dynamically balanced, the problem that most of inertia generated stress still acts on threads on the outer surface of a screw rod I5 when the mass of the workpiece is large is avoided, the reliability of the device is improved, the limiting plate 143 is fixedly mounted at the bottom of the bearing plate 142, the bottom of regulating bin 141 is fixedly mounted with gag lever post 144 and gag lever post 144 runs through limiting plate 143, the outside of gag lever post 144 just is located the cover in the position of limiting plate 143 below and is equipped with regulating spring 145, the bottom fixed mounting of gag lever post 144 has spacing piece 146, the top of regulating spring 145 is contacted with the bottom of limiting plate 143 and the bottom of regulating spring 145 is contacted with the top of spacing piece 146, regulating hole 147 has been seted up on the position that regulating bin 141 one side was located and regulating hole 147 is two in quantity, the gas pocket 148 has been seted up on one side of regulating bin 141 surface and the quantity of gas pocket 148 is three, regulating hole 147 corresponds with the position of gas pocket 148, fixed mounting has the air groove 149 on regulating bin 141 surface one side and the position that is located air pocket 148 one end, air pocket 1410 is connected with the inner chamber of regulating bin 141 and air pocket 1410 is connected with the one end of air duct 15 on one side near both ends, air duct 15 has been cup jointed on the position that one side of regulating device 14 is close to both ends, air duct 15's one end is connected with air duct 2.
The application method of the application is as follows:
during the use process, the screw rod I5 drives the travel rods 25 movably sleeved on the two sides of the air pressure bin 24 to synchronously move through the gear 6, and under the action of the opposite rotating directions of the screw rods I5 on the two sides, the pistons 26 in the air pressure bin 24 are in a mutually far away or mutually close movement state, when the travel box II 8 moves towards the direction of the air pressure device I2 a, the pistons 26 in the air pressure device I2 a and the air pressure device II 2b are mutually close at the moment, so that the air pressure in the cavity between the pistons 26 in the cavity of the air pressure bin 24 is increased, the air pressure on the two sides of the pistons 26 is reduced, the circular through holes at the top of the air pressure bin 24 are blocked by the blocking plate 283, the air pressure in the cavity of the air pressure bin 24 can not be released at the moment, and when the travel box II 8 brakes or moves reversely at the moment under the action of inertia, the blocking plates 283 of the triggering devices I28 a and II 28b move to one side and enable the circular through holes at the top of the air pressure bin 24 to be in a circulating state, because the triggering device I28 a is positioned at the position, close to the middle, of the top of the air pressure bin 24, high-pressure air in the air pressure bin 24 of the air pressure device I2 a enters the adjusting bin 141 positioned at one side of the stroke box II 8 through the circular through holes at the top of the air pressure bin 24 and the conduction of the air duct 15 and is sprayed out of the air holes 148 and the air grooves 149, so that thrust is generated on the stroke box II 8, meanwhile, the low-pressure air in the air pressure bin 24 of the air pressure device II 2b is positioned at the position, close to the two sides, of the top of the air pressure bin 24, enables the air holes 148 and the air grooves 149 on the other side of the stroke box II 8 to suck air to generate pulling force in the same manner, the resultant force direction of the pushing force and pulling force is opposite to the inertia direction of the stroke box II 8, therefore, the acting force of inertia force of the travel box II 8 on the surface screw thread of the screw rod I5 in the process of decelerating or reversely moving is relieved, the greater the mass of the workpiece mounted on the top of the workpiece table 12, the higher the degree of downward movement of the bearing plate 142, and the greater the mass of the workpiece, the greater the crossed area between the adjusting hole 147 and the air hole 148 is due to the corresponding positions of the adjusting hole 147 and the air hole 148, so that the higher the gas injection amount in unit time is, the greater the generated thrust and suction force is, and the dynamic balance can be carried out on the larger inertia force generated by the workpiece with large mass.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides an automatic change cross slip table for machine tool, includes travel box I (1), its characterized in that: the number of the travel boxes I (1) is two, the two ends of the travel boxes I (1) are respectively fixedly provided with a pneumatic device I (2 a) and a pneumatic device II (2 b), a shell (3) is fixedly arranged at the position, close to the two ends, of one side of the pneumatic device (2), a servo motor I (4) is fixedly sleeved at the inner part of the shell (3), a screw rod I (5) is fixedly arranged at one end of an output shaft of the servo motor I (4), the rotation directions of the screw rods I (5) at the two sides are opposite when the servo motor I (4) drives the screw rod I (5) to rotate, a gear (6) and a gear (6) are fixedly sleeved at the position, close to the two ends, of the outer surface of the screw rod I (5) are matched with the pneumatic device (2), a travel block (7) is sleeved at the position, close to the outer surface of the gear (6) through threads, a travel box II (8) is fixedly arranged at the top of the travel block (7), a servo motor II (9) is fixedly arranged at one end of the output shaft I (4), a screw rod II (9) is fixedly arranged at one end of the output shaft I (9), a support table II (10) is fixedly arranged at the outer surface of the screw rod II (11), the utility model discloses a pneumatic device, including work piece platform (12), support bar (13) are fixedly installed on the position that just is close to both sides in work piece platform (12), fixed mounting has adjusting device (14) on the position that it is located the centre in stroke case II (8) surface both sides, fixed cover has connected air duct (15) on the position that one side of adjusting device (14) is close to both ends, the one end and the pneumatic device (2) of air duct (15) are linked together, pneumatic device I (2 a) are including rotating storehouse (21), circular through-hole and this circular through-hole's inside fixed cover has been seted up on the position that is close to both ends in rotation storehouse (21) one side, lead screw I (5) have been cup jointed to the inside fixed of bearing (22), the opposite side fixed mounting of rotation storehouse (21) has adjusting box (23), fixed mounting has stroke case I (1) on the position that one side is close to both ends in adjusting box (23), fixed mounting has pneumatic storehouse (24) on the position that inner chamber and are close to the centre, pneumatic storehouse (24) both sides activity in pneumatic storehouse (24) has cup jointed stroke lever (25), pneumatic lever (25) have been located the inside of rotating storehouse (25) and the inside of this circular through-hole is located piston (24) in the position that one side (27), the pneumatic bin (24) is meshed with the gear (6) through the rack (27), a circular through hole is formed in the top of the pneumatic bin (24), the triggering devices (28) are fixedly arranged at the top of the circular through hole, the number of the triggering devices (28) is two, the pneumatic devices I (2 a) and the pneumatic devices II (2 b) are similar in structure, the triggering devices I (28 a) in the pneumatic devices I (2 a) are positioned at the positions, close to the middle, of the tops of the pneumatic bin (24), of the triggering devices II (2 b), the triggering devices II (28 b) in the pneumatic bin (24) are positioned at the positions, close to the two sides, of the tops of the pneumatic bin (24), the triggering devices I (28 a) comprise triggering cavities (281), triggering rods (282) are fixedly arranged in the triggering cavities (281), the triggering rods (282) are movably arranged in the triggering cavities (282), the blocking plates (283) are movably sleeved with the triggering rods (282), the triggering rods (282) are movably sleeved with the triggering rods (282), the triggering springs (284) are sleeved on the outer sides of the triggering rods (282) close to the inner sides of the triggering cavities (281), the triggering rods (284) are fixedly connected with one ends of the triggering cavities (284) respectively, and the other sides of the triggering cavities (284) are fixedly connected with one ends of the triggering cavities (284), the top of the triggering cavity (281) is fixedly provided with a gas guide port I (285), the gas guide port I (285) is communicated with the inner cavity of the triggering cavity (281), the gas guide port I (285) is fixedly sleeved with one end of a gas guide pipe (15), the initial position of the blocking plate (283) corresponds to the position of a circular through hole formed in the top of the gas pressure bin (24), the regulating device (14) comprises a regulating bin (141), the top and the bottom of the regulating bin (141) are respectively provided with a rectangular through hole, the inside of the rectangular through hole is movably sleeved with a bearing plate (142), the top of the bearing plate (142) is fixedly provided with a workpiece table (12), the bottom of the bearing plate (142) is fixedly provided with a limiting plate (143), the bottom of the regulating bin (141) is fixedly provided with a limiting rod (144) and the limiting rod (144) penetrates through the limiting plate (143), the outer side of the limiting rod (144) is sleeved with a regulating spring (145) at a position below the limiting plate (143), the bottom of the limiting rod (144) is fixedly provided with a limiting plate (146), the bottom of the regulating spring (144) is contacted with the bottom of the regulating spring (145) and the bottom of the limiting plate (145), the utility model discloses a gas guide device, including bearing plate (142), regulation bin (141) and air duct (15), regulation hole (147) and the quantity of regulation hole (147) are offered on the position that bearing plate (142) one side was located regulation bin (141) inside, the quantity of gas pocket (148) and gas pocket (148) are offered to one side of regulation bin (141) surface is three, the position of regulation hole (147) and air pocket (148) is corresponding, fixed mounting has air groove (149) on regulation bin (141) surface one side and the position that is located air pocket (148) one end, fixed mounting has air duct II (1410) on regulation bin (141) surface one side and the position that is located air groove (149) both sides, air duct II (1410) are linked together and air duct II (1410) are connected with the one end of air duct (15) with the inner chamber of regulation bin (141).
CN202110666971.XA 2021-06-16 2021-06-16 Automatic change cross slip table for machine tool Active CN113352108B (en)

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