CN220547965U - High-precision carrying trolley for horizontal machining center machine tool workbench - Google Patents

Abstract

The utility model relates to a high accuracy floor truck for horizontal machining center lathe workstation, walking ground rail is fixed to be set up in ground, supporting beam is located walking ground rail's first side, walking portion and walking ground rail walking cooperation, vertical support frame sets up on the walking portion, lifting unit sets up in vertical support frame, lifting unit can be along vertical support frame elevating movement, tertiary telescopic machanism sets up in lifting unit, and tertiary telescopic machanism can level tertiary stretch out, can be towards first side and the two-way extension of second side, support sliding part and supporting beam sliding fit. The six-axis robot in the prior art is replaced by the feeding trolley, the feeding trolley is guided and supported by the supporting beam, the traveling trolley is vertical and is not inclined to turn on one side under the action of the supporting beam and the supporting sliding part, the construction and maintenance cost of the traveling trolley is low, meanwhile, the width of the traveling trolley can be set smaller due to the fact that the initial length of the three-stage telescopic part is smaller, and the space requirement of the traveling trolley is smaller.

Description

High-precision carrying trolley for horizontal machining center machine tool workbench

Technical Field

The application relates to the technical field of machine tool feeding, in particular to a high-precision carrying trolley for a horizontal machining center machine tool workbench.

Background

The names of the clamps, blanks, semi-finished products, finished products and the like, which are commonly called as a stock warehouse, a line side warehouse and the like, are provided for an automatic production line, and are hereinafter called as the line side warehouse.

In the machining industry, the volume and the weight of parts machined by a horizontal machining center are large (the load reaches 2.8 tons), the manual loading and unloading operation is very difficult, a horizontal machining center is used for carrying to-be-machined parts which are integrated with a workbench, a clamp and a workpiece on a line side library by a six-axis robot by utilizing a horizontal double-exchange workbench; the manual participation degree can be greatly reduced, and meanwhile, the multi-station line-side library position is configured, so that 24-hour unmanned automatic processing can be realized.

In the prior art, the left side of the six-axis robot 10 is a wire side library 20, the right side is a horizontal machining center 30, referring to fig. 1, the six-axis robot 10 needs to extend left to the paw, grasp a workpiece to be machined from the wire side library 20, and then extend right to the horizontal machining center 30, so as to realize feeding. However, after the gripper extending leftwards to grasp the workpiece to be machined is positioned at the left side of the six-axis robot 10, the six-axis robot 10 rotates the gripper to the right side of the six-axis robot 10 in a 180-degree rotation mode at present and then extends to the horizontal machining center 30, and as the part to be machined processed by the horizontal machining center has large volume and heavy weight (the load reaches 2.8 tons), firstly, when the gripper of the six-axis robot 10 extends leftwards or rightwards to load the workpiece to be machined, the gravity center of the six-axis robot 10 is not positioned on the walking shaft of the six-axis robot, and is particularly easy to turn over, so that a great potential safety hazard exists; secondly, in the rotating process of the six-axis robot 10, the gravity center position of the six-axis robot 10 is changed left and right, rollover is easy to occur due to shaking, the workpiece to be processed is easy to drop from the paw due to the rotating centrifugal force in the rotating process, and a large potential safety hazard exists; thirdly, the six-axis robot 10 capable of loading such a large weight is high in price at present, so that the construction cost is high, the six-axis robot 10 is large in size, the distance between the line side library 20 and the horizontal machining center 30 is limited, and certain space limitation exists; fourthly, when the paw load of the six-axis robot 10 stretches out leftwards or rightwards to the workpiece to be machined, the joints of the six-axis robot 10 are seriously damaged by fatigue caused by overturning moment due to the heavy weight of the workpiece to be machined, and the six-axis robot 10 needs to be replaced and maintained frequently, so that the production cost is high.

Disclosure of Invention

In view of the foregoing, there is a need for a high-precision handling cart for a horizontal machining center machine table that solves the foregoing problems of the prior art.

The utility model provides a high accuracy floor truck for horizontal machining center lathe workstation, includes supporting beam and material loading dolly, the material loading dolly includes walking ground rail and walking dolly, walking ground rail is fixed to be set up in ground, the supporting beam is located walking ground rail's first side, walking ground rail deviates from one side of first side is the second side, the walking dolly includes walking portion, vertical support frame, elevating gear, tertiary telescopic machanism and supports sliding part, the walking portion with walking ground rail walking cooperation, the vertical support frame set up in on the walking portion, elevating gear set up in vertical support frame, just elevating gear can be followed vertical support frame elevating motion, tertiary telescopic machanism set up in elevating gear, just tertiary telescopic machanism can level tertiary stretch out, and can be oriented first side with the two-way stretch out of second side, support sliding part set up in vertical support frame orientation one side of supporting beam, and with supporting beam sliding cooperation.

Preferably, in the high-precision carrying trolley for the horizontal machining center machine tool workbench, the three-stage telescopic part comprises a first extending part, a second extending part, a third extending part and a driving part, wherein the driving part is connected with the first extending part in a driving manner, the first extending part is in sliding fit with the lifting part, the second extending part is in sliding fit with the first extending part, the first extending part is connected with the second extending part in a driving manner, the third extending part is in sliding fit with the second extending part, and the second extending part is connected with the third extending part in a driving manner.

Preferably, in the high-precision handling trolley for the horizontal machining center machine tool workbench, the first extending portion comprises a first rack arranged on the lifting portion, a first gear and a second rack arranged on the first extending portion, the second extending portion comprises a third rack and a second gear arranged on the second extending portion, the first gear is located between the first rack and the third rack and is engaged with the third rack, the third extending portion comprises a fourth rack arranged on the third extending portion, and the second gear is located between the second rack and the fourth rack and is engaged with the fourth rack.

Preferably, in the high-precision handling trolley for a horizontal machining center machine tool workbench, the three-stage telescopic part has an initial position, a first extending position and a second extending position, symmetry axes of the first extending part, the second extending part and the third extending part are overlapped, and in the first extending position, the first extending part, the second extending part and the third extending part extend towards the first side in sequence, and the first extending part, the second extending part and the third extending part extend towards the second side in sequence.

Preferably, in the high-precision handling trolley for the horizontal machining center machine tool workbench, sliding fit is achieved between the first extending part and the lifting part, between the second extending part and the first extending part, and between the third extending part and the second extending part through anti-overturning sliding rail sliding blocks.

Preferably, in the high-precision carrying trolley for the horizontal machining center machine tool workbench, the lifting part comprises a driving motor, a guide rail, a screw rod, a matching part and a lifting base plate, wherein the driving motor and the guide rail are both arranged on the vertical supporting frame, the driving motor is connected with the screw rod in a driving mode, the matching part is in threaded fit with the screw rod, the lifting base plate is arranged on the matching part, and the three-stage telescopic part is arranged on the lifting base plate.

Preferably, in the high-precision carrying trolley for the horizontal machining center machine tool workbench, the walking part is provided with a bearing walking roller and a limiting guide roller, the bearing walking roller is supported on the upper surface of the walking ground rail and is in walking fit, the limiting guide rollers are arranged on two sides of the walking ground rail and are clamped and attached to each other, and the limiting guide roller and the walking ground rail are in guiding and limiting fit in the direction perpendicular to the walking ground rail.

The technical scheme that this application adopted can reach following beneficial effect:

in the high-precision carrying trolley for the horizontal machining center machine tool workbench, the six-axis robot in the prior art is replaced by the feeding trolley, the feeding trolley is guided and supported by the supporting beam, and the three-stage telescopic part stretches out leftwards or rightwards to load a workpiece to be machined, so that the walking trolley is vertical and does not incline and turn over under the action of the supporting beam and the supporting sliding part even if the gravity center is not on a walking ground rail; secondly, the two sides of the feeding trolley can be moved through the bidirectional extension of the three-stage telescopic part, the three-stage telescopic part does not need to rotate after being loaded with the workpiece, the workpiece stably moves along with the three-stage telescopic part in one direction, the phenomenon that the workpiece is easy to drop from a paw due to rotational centrifugal force in the rotation process of the workpiece is avoided, and the workpiece can move on the two sides of the feeding trolley through the bidirectional extension of the three-stage telescopic part, even if the gravity center position of the feeding trolley moves left and right, the side turning caused by shaking of the feeding trolley can be prevented under the action of the supporting cross beam and the supporting sliding part; thirdly, the six-axis robot in the prior art is replaced by the feeding trolley, the feeding trolley is low in price, compared with the six-axis robot, the construction cost can be greatly reduced, the width of the walking trolley can be set smaller due to the smaller initial length of the three-stage telescopic part, the walking trolley can adapt to the situation that the spacing between a line side warehouse and a horizontal machine tool is limited, the space requirement of the walking trolley is smaller, the walking trolley is not limited by space, and the current old factory reconstruction space is limited; and fourthly, the six-axis robot in the prior art is replaced by the feeding trolley, and compared with the six-axis robot, the walking trolley has lower maintenance cost, thereby reducing the production cost.

Drawings

FIG. 1 is a schematic diagram of the prior art;

FIG. 2 is a schematic diagram of a high precision handling cart for a horizontal machining center machine tool table disclosed in an embodiment of the present application;

FIG. 3 is a schematic diagram of a high precision handling cart for a horizontal machining center machine tool table according to an embodiment of the present disclosure at another perspective;

FIG. 4 is a schematic view of a part of a high-precision handling trolley for a horizontal machining center machine tool workbench according to an embodiment of the present disclosure;

FIG. 5 is a schematic illustration of a walking cart as disclosed in an embodiment of the present application;

fig. 6 is a schematic view of a part of the structure of a travelling trolley disclosed in the embodiment of the application;

FIG. 7 is a schematic view of a three stage telescoping section disclosed in an embodiment of the present application;

FIG. 8 is a schematic view of a part of the structure of a three-stage telescopic section according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of a three stage telescoping section according to an embodiment of the present disclosure at another perspective;

FIG. 10 is an enlarged partial schematic view of a three stage telescoping section disclosed in an embodiment of the present application;

FIG. 11 is another enlarged partial schematic view of a three stage telescoping section disclosed in an embodiment of the present application;

fig. 12 is a schematic view illustrating a state of a three-stage telescopic section according to an embodiment of the present application.

Wherein: six-axis robot 10, line side library 20 and horizontal machining center 30;

the wire side warehouse 100, the supporting beam 200, the feeding trolley 300, the walking ground rail 310, the walking trolley 320, the walking part 321, the vertical supporting frame 322, the lifting part 323, the driving motor 3231, the guide rail 3232, the screw rod 3233, the matching part 3234, the lifting base plate 3235, the three-stage telescopic part 324, the first extending part 3241, the first rack 32411, the first gear 32412, the second rack 32413, the second extending part 3242, the third rack 32421, the second gear 32422, the third extending part 3243, the fourth rack 32431, the driving part 3244, the supporting sliding part 325 and the horizontal feeding machine 400.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 2 to 12, the embodiment of the present application discloses a high precision handling trolley for a horizontal machining center machine tool workbench, including a supporting beam 200 and a feeding trolley 300, wherein:

the feeding trolley 300 comprises a walking ground rail 310 and a walking trolley 320, wherein the walking ground rail 310 is fixedly arranged on the ground, the walking trolley 320 is in walking fit with the walking ground rail 310, the walking ground rail 310 is formed by welding a train heavy steel rail raw material and a rack seat, and machining errors caused by cutter connection are avoided through one-time machining after welding. The top of the walking ground rail 310 realizes the load of the whole walking trolley 320 approaching 7 tons, the two sides are guided, and the rack seat is provided with a driving force after being provided with racks. The walking ground rail 310 is in multi-section butt joint, and the butt joint part adopts bevel edge butt joint, so that the walking stability of the walking trolley 320 at the butt joint part of the walking ground rail 310 is improved.

As in the prior art, it is generally required to arrange the lying machine 400 and the wire side library 100 on both sides of the walking rail 310, specifically, the wire side library 100 is located on a first side of the walking rail 310, the lying machine 400 is located on a second side of the walking rail 310, and the first side and the second side are both sides facing away from the walking rail 310. Hereinafter, the facing line Bian Ku represents facing the first side and the facing lying machine 400 represents facing the second side.

The traveling trolley 320 comprises a traveling part 321, a vertical supporting frame 322, a lifting part 323, a three-stage telescopic part 324 and a supporting sliding part 325, wherein the traveling part 321 is in traveling fit with the traveling ground rail 310, the traveling part 321 can move on the traveling ground rail 310 and is in guiding fit, so that the traveling trolley 320 moves along the traveling ground rail 310, and the movement of the traveling trolley 320 in the X direction is realized. The walking rail 310 can realize the load of the walking trolley 320 approaching 7 tons and can limit and guide the walking trolley 320. The vertical support frame 322 sets up on walking portion 321, and elevating system 323 sets up in vertical support frame 322, and elevating system 323 can be along vertical support frame 322 elevating movement, realizes ascending and descending in Z direction, elevating system 323 adopts the synchronous drive of two servo of double screw, can bear the heavy object elevating movement of heavy load bulk, realizes the displacement of high accuracy, has avoided the protection to lying machine tool 400 to the maximum extent. The lifting part 323 adopts a mode of synchronous vertical movement of double screw rods and double servo motors, and the cradle type design ensures that the lifting part 323 stably and vertically moves.

The tertiary expansion portion 324 sets up in elevating gear 323, and tertiary expansion portion 324 can extend in the level tertiary, realize stretching out in the Y direction, and can stretch out towards first side and second side, specifically, tertiary expansion portion 324 can stretch out towards the line limit storehouse 100 of first side, also can stretch out towards the lying machine tool 400 of second side, tertiary expansion portion 324 stretches out towards line limit storehouse 100 after, snatch the waiting for the machined part on the line limit storehouse 100, then retract, stretch out towards lying machine tool 400 again, with waiting for the machined part material loading to lying machine tool 400, realize the material loading, guaranteed that one side can realize the last unloading for lying machine tool 400, the storage and the transport of line limit storehouse 100 can be realized to the opposite side. The tertiary flexible portion 324 can realize tertiary flexible, tertiary flexible portion 324 adopts multiunit rack, gear drive, traditional flexible fork mostly adopts chain multistage transmission, the precision is poor hardly guarantees high horizontal migration, and tertiary flexible portion 324 in this application adopts tertiary two-way flexible mode, through servo gear drive, the high precision displacement of tertiary flexible portion 324 has been realized, the precision reaches + -0.1 mm, simultaneously, the initial length of this kind of tertiary flexible portion 324 is less, can adapt to the limit condition of interval between limit storehouse 100 and the horizontal machine tool 400, the requirement on the space is less, the space restriction is less, although the initial length of tertiary flexible portion 324 is less, but tertiary flexible portion 324 is because can realize tertiary flexible, consequently, its length of stretching out is longer, the flexible ratio can reach 1:3, that is, the initial length of tertiary flexible portion 324 is A, the length of stretching out of tertiary flexible portion 324 is B, A:B=1:3, the rate of stretching out can reach 300%, can make tertiary flexible portion 324 not receive the space restriction, thereby make the width of walking dolly 320 can adapt to the current limit that sets up less, the old space of old factory is less.

The supporting beam 200 is located at a first side of the walking rail 310, specifically, the supporting beam 200 is fixedly disposed on the ground and located between the wire side garage 100 and the walking rail 310, the supporting sliding portion 325 is disposed on a side of the vertical supporting frame 322 facing the supporting beam 200 and is in sliding fit with the supporting beam 200, the supporting sliding portion 325 is in guiding fit with the supporting beam 200, and the supporting sliding portion 325 is in limiting fit with the supporting beam 200 in a direction perpendicular to the supporting beam 200, that is, the supporting sliding portion 325 cannot be displaced in a direction perpendicular to the supporting beam 200. Referring to fig. 3, when the center of gravity of the traveling carriage 320 turns right, the traveling carriage 320 may be turned right, but the support beam 200 and the support slider 325 may perform support and guide functions, and the support slider 325 may not be displaced in a direction perpendicular to the support beam 200, so that the traveling carriage 320 may be prevented from turning right; when the center of gravity of the traveling trolley 320 is left, the traveling trolley 320 may roll left, but the supporting beam 200 and the supporting sliding portion 325 may play a traction role, so that the traveling trolley 320 may be prevented from roll left, and therefore, in the process of moving the traveling trolley 320 on the traveling ground rail 310, the traveling trolley 320 up to 4 meters is ensured to be vertical and not to roll obliquely under the action of the supporting beam 200 and the supporting sliding portion 325. Referring to fig. 3, after the three-stage telescopic portion 324 extends rightward to grasp a workpiece to be machined on the wire side warehouse 100, the supporting beam 200 and the supporting sliding portion 325 can play a supporting role to prevent the walking trolley 320 from turning over rightward, when the three-stage telescopic portion 324 extends leftward to feed the horizontal feeding machine 400, the supporting beam 200 and the supporting sliding portion 325 can play a pulling role, and the supporting sliding portion 325 cannot generate displacement in a direction perpendicular to the supporting beam 200 to prevent the walking trolley 320 from turning over leftward.

In the high-precision carrying trolley for the horizontal machining center machine tool workbench disclosed by the embodiment of the application, the six-axis robot in the prior art is replaced by the feeding trolley 300, and the feeding trolley 300 is guided and supported by the supporting beam 200, firstly, when the three-stage telescopic part 324 stretches out leftwards or rightwards to load a workpiece to be machined, even if the gravity center is not on the walking ground rail 310, the walking trolley 320 which is up to 4 meters is ensured to be vertical and not to incline and turn over under the action of the supporting beam 200 and the supporting sliding part 325; secondly, the movement of the two sides of the feeding trolley 300 can be realized through the bidirectional extension of the three-stage telescopic part 324, the three-stage telescopic part 324 does not need to rotate after loading the workpiece, the workpiece stably moves along with the three-stage telescopic part 324 in one direction, the phenomenon that the workpiece easily falls off from the paw due to the rotation centrifugal force in the rotation process of the workpiece is avoided, and the movement of the two sides of the feeding trolley 300 is realized through the bidirectional extension of the three-stage telescopic part 324, and meanwhile, the rollover caused by the shaking of the feeding trolley 300 can be prevented even if the gravity center position of the feeding trolley 300 is changed left and right under the action of the supporting cross beam 200 and the supporting sliding part 325; thirdly, the six-axis robot in the prior art is replaced by the feeding trolley 300, the feeding trolley 300 is low in price, compared with the six-axis robot, the construction cost can be greatly reduced, the width of the walking trolley 320 can be set smaller due to the smaller initial length of the three-stage telescopic part 324, the walking trolley 320 can adapt to the situation that the spacing between the line side warehouse 100 and the horizontal machine tool 400 is limited, the space requirement of the walking trolley 320 is smaller, the walking trolley 320 is not limited by space, and the current limit of the transformation space of old factories is smaller; fourth, the six-axis robot in the prior art is replaced by the feeding trolley 300, and compared with the six-axis robot, the walking trolley 320 has lower maintenance cost, thereby reducing the production cost.

Preferably, the whole feeding trolley 300 adopts an automatic lubrication system, so that the feeding trolley 300 can be ensured to have a longer service life.

As described above, the three-stage telescopic part 324 can realize three-stage telescopic, the three-stage telescopic part 324 adopts a plurality of groups of racks and gear transmission, the traditional telescopic fork mostly adopts chain multistage transmission, the precision is poor and high horizontal movement is difficult to ensure, the three-stage telescopic part 324 in the application adopts a three-stage bidirectional telescopic mode, and the high-precision displacement of the three-stage telescopic part 324 is realized through servo gear driving, and the precision reaches +/-0.1 mm. Alternatively, referring to fig. 7, the three-stage expansion and contraction part 324 includes a first expansion part 3241, a second expansion part 3242, a third expansion part 3243, and a driving part 3244, the driving part 3244 is disposed on the lifting part 323, the driving part 3244 is in driving connection with the first expansion part 3241, the first expansion part 3241 is in sliding fit with the lifting part 323, the driving part 3244 drives the first expansion part 3241 to expand relative to the lifting part 323, the second expansion part 3242 is in driving connection with the first expansion part 3241, the first expansion part 3241 is in sliding fit with the lifting part 323, the second expansion part 3242 is driven to expand relative to the first expansion part 3241, the third expansion part 3243 is in sliding fit with the second expansion part 3242, the second expansion part 3242 is in driving connection with the third expansion part 3243, the second expansion part 3242 is driven to expand relative to the second expansion part 3242 while the third expansion part 3242 is driven to expand relative to the first expansion part 3241.

Specifically, the first extending portion 3241 includes a first rack 32411 disposed on the lifting portion 323, a first gear 32412 and a second rack 32413 both disposed on the first extending portion 3241, the second extending portion 3242 includes a third rack 32421 and a second gear 32422 both disposed on the second extending portion 3242, the first gear 32412 is disposed between the first rack 32411 and the third rack 32421 and is engaged with each other, driving connection between the first extending portion 3241 and the second extending portion 3242 is achieved, the third extending portion 3243 includes a fourth rack 32431 disposed on the third extending portion 3243, the second gear 32422 is disposed between the second rack 32413 and the fourth rack 32431 and is engaged with each other, and driving connection between the second extending portion 3242 and the third extending portion 3243 is achieved.

Referring to fig. 8, in a specific operation, the driving portion 3244 drives the first protruding portion 3241 to slide relative to the lifting portion 323 (i.e. the first protruding portion 3241 protrudes, and the first stage protrudes), and the first protruding portion 3241 drives the first gear 32412 and the second rack 32413 thereon to move upward (the downward sliding is the same, and for brevity, the description is omitted herein), because the first rack 32411 is disposed on the lifting portion 323 and remains stationary, the first gear 32412 is moved upward, under the action of the first rack 32411, and the first gear 32412 rotates, that is, the first gear 32412 rotates relative to the first rack 32411, and the first gear 32412 rotates to drive the third rack 32421 meshed therewith to move upward (similar to the principle of barreled stone, barreled stone: round wood is paved on a road surface (a first rack 32411) to be rolled (a first rack 32411), a large stone is placed on a flat plate (a third rack 32421) made of hard wood grafted by black jujube trees and persimmon trees, the flat plate is placed on the rolled wood to push the large stone, the rolled wood rolls to realize rolling wood and stone transportation), the third rack 32421 moves upwards relative to the first gear 32412, thereby driving the second protruding part 3242 to move upwards relative to the first protruding part 3241 (second-stage protruding), when the second protruding part 3242 moves upwards, the second gear 32422 is driven to move upwards, because the second protruding part 3242 moves upwards relative to the first protruding part 3241, the second gear 32422 moves upwards relative to the second rack 32413, that is, even though the first protruding part 3241 drives the second rack 32413 to move upwards, the second gear 32422 can be seen to be stationary at the moment, the second gear 32422 is moved upward relative to the second rack 32413, and the second gear 32422 is rotated by the second rack 32413, that is, the second gear 32422 is rotated relative to the second rack 32413, and when the second gear 32422 is rotated, the fourth rack 32431 engaged therewith is driven to move upward, and the fourth rack 32431 is moved upward relative to the second rack 32422, thereby driving the third extension portion 3243 to move upward relative to the second extension portion 3242 (third-stage extension).

Therefore, three-level telescopic part 324 is stretched out in three levels under the condition of one driving, multiple groups of racks and gears are used for transmission, the telescopic part can stretch out towards line side warehouse 100 and can stretch out towards line side warehouse 100, two-way stretching out is achieved, the traditional telescopic fork is mostly driven by chains in multiple levels, high horizontal movement is difficult to guarantee due to poor precision, three-level telescopic part 324 in the application adopts three-level two-way telescopic mode, high-precision displacement of three-level telescopic part 324 is achieved through servo gear driving, and the precision reaches +/-0.1 mm. Meanwhile, referring to fig. 12, the initial length of the three-stage telescopic part 324 is smaller, so that the situation that the distance between the line side warehouse 100 and the horizontal machine tool 400 is limited can be adapted, the space requirement is smaller, the space limitation is smaller, although the initial length of the three-stage telescopic part 324 is smaller, the three-stage telescopic part 324 can realize three-stage telescopic, so that the extending length of the three-stage telescopic part is longer, the telescopic ratio can reach 1:3, the three-stage telescopic part 324 is not limited by the space, and the width of the travelling trolley 320 can be set smaller, so that the limitation that the transformation space of the old factory area is smaller at present is adapted.

Further, the tertiary expansion portion 324 has an initial position (upper view in fig. 12) in which symmetry axes of the first expansion portion 3241, the second expansion portion 3242, and the third expansion portion 3243 overlap, a first extended position (middle view in fig. 12) in which the first expansion portion 3241, the second expansion portion 3242, and the third expansion portion 3243 each extend toward the first side in sequence, and the third expansion portion 3243 extends at least partially into the wire side magazine 100, and a second extended position (lower view in fig. 12) in which the first expansion portion 3241, the second expansion portion 3242, and the third expansion portion 3243 each extend toward the second side in sequence, and the third expansion portion 3243 extends at least partially into the horizontal machine tool 400.

In a specific working process, the three-stage telescopic part 324 is at an initial position, when the horizontal machine tool 400 is required to be fed, the three-stage telescopic part 324 extends to a first extending position, a workpiece to be processed is loaded through the third extending part 3243, then the three-stage telescopic part 324 retracts, the three-stage telescopic part 324 extends to a second extending position, and the third extending part 3243 feeds the workpiece to be processed loaded on the three-stage telescopic part to the horizontal machine tool 400.

Preferably, the first extending portion 3241 and the lifting portion 323, the second extending portion 3242 and the first extending portion 3241, and the third extending portion 3243 and the second extending portion 3242 are all in sliding fit through the anti-overturning sliding rail, so that the three-stage extending and retracting portion 324 is prevented from overturning due to large gravity when extending three stages, and the anti-overturning sliding rail capable of bearing the weight of the workpiece is required to be selected according to the weight in the design selection.

In this application, elevating system 323 sets up in vertical support frame 322, and elevating system 323 can be along vertical support frame 322 elevating movement, realizes ascending and descending in Z direction, elevating system 323 adopts the synchronous drive of two servo of double screw, can bear the heavy object elevating movement of heavy load large volume, realizes the displacement of high accuracy. Specifically, referring to fig. 6, the lifting portion 323 includes a driving motor 3231, a guide rail 3232, a screw rod 3233, a matching portion 3234, and a lifting base plate 3235, the driving motor 3231 and the guide rail 3232 are both disposed on the vertical support frame 322, the driving motor 3231 is in driving connection with the screw rod 3233, the matching portion 3234 is in threaded fit with the screw rod 3233, the lifting base plate 3235 is disposed on the matching portion 3234, and the three-stage telescopic portion 324 is disposed on the lifting base plate 3235. The lifting mode is high in precision and large in load, can bear heavy objects with large load and large volume in lifting motion, achieves high-precision displacement, adopts a mode of synchronous vertical movement of double screw rods and double servo motors, and enables the lifting part 323 to stably and vertically move through cradle type design.

As described above, the supporting sliding portion 325 is in guiding engagement with the supporting beam 200, and the supporting sliding portion 325 is in limiting engagement with the supporting beam 200 in the direction perpendicular to the supporting beam 200, that is, the supporting sliding portion 325 cannot be displaced in the direction perpendicular to the supporting beam 200, and the feeding cart 300 is guided (limited) to be supported by the supporting beam 200, so that the traveling cart 320 is ensured to be vertical up to 4 m without tilting and turning on its side. Further, the walking portion 321 has a bearing walking roller and a limit guiding roller, the bearing walking roller is supported on the upper surface of the walking ground rail 310 and is in walking fit, so that a load of approximately 7 tons of the whole walking trolley 320 is realized, the two sides of the walking ground rail 310 are provided with the limit guiding rollers and are clamped and attached, the limit guiding rollers and the walking ground rail 310 are in guiding and limit fit in a direction perpendicular to the walking ground rail 310, that is, the walking portion 321 cannot generate displacement in the direction perpendicular to the walking ground rail 310, when the gravity center of the walking trolley 320 is rightward, the walking portion 321 cannot generate displacement in the direction perpendicular to the walking ground rail 310, the limit guiding rollers are relatively difficult to clamp on two sides of the walking ground rail 310, and therefore the walking trolley 320 can be prevented from turning right to a certain extent; the same applies when the center of gravity of the traveling trolley 320 is left, so that the traveling trolley 320 can be vertical and not inclined and turned over to a certain extent under the action of the limiting guide rollers and the two sides of the traveling ground rail 310 in the process of moving the traveling trolley 320 on the traveling ground rail 310, thereby further proving that the traveling trolley 320 is vertical and not inclined and turned over.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (7)

1. The utility model provides a high accuracy floor truck for horizontal machining center lathe workstation, its characterized in that includes supporting beam (200) and material loading dolly (300), material loading dolly (300) include walking ground rail (310) and walking dolly (320), walking ground rail (310) are fixed to be set up in ground, supporting beam (200) are located walking ground rail (310) first side, walking ground rail (310) deviate from one side of first side is the second side, walking dolly (320) include walking portion (321), vertical support frame (322), elevating portion (323), tertiary expansion portion (324) and support slider (325), walking portion (321) with walking ground rail (310) walking cooperation, vertical support frame (322) set up in on walking portion (321), elevating portion (323) set up in vertical support frame (322), and elevating portion (323) can follow vertical support frame (322) elevating motion, tertiary expansion portion (324) set up in elevating portion (324) are deviate from one side of first side, and can stretch out and draw back portion (324) and three-way expansion portion (325) are set up in two-way side (200) and can stretch out and draw back in three-way side (325), and is in sliding fit with the supporting cross beam (200).

2. The high-precision carrying trolley for a horizontal machining center machine tool workbench according to claim 1, wherein the three-stage telescopic part (324) comprises a first protruding part (3241), a second protruding part (3242), a third protruding part (3243) and a driving part (3244), the driving part (3244) is in driving connection with the first protruding part (3241), the first protruding part (3241) is in sliding fit with the lifting part (323), the second protruding part (3242) is in sliding fit with the first protruding part (3241), the first protruding part (3241) is in driving connection with the second protruding part (3242), the third protruding part (3243) is in sliding fit with the second protruding part (3242), and the second protruding part (3242) is in driving connection with the third protruding part (3243).

3. The high-precision handling trolley for a horizontal machining center machine tool workbench according to claim 2, wherein the first protruding portion (3241) comprises a first rack (32411) arranged on the lifting portion (323), a first gear (32412) and a second rack (32413) both arranged on the first protruding portion (3241), the second protruding portion (3242) comprises a third rack (32421) and a second gear (32422) both arranged on the second protruding portion (3242), the first gear (32412) is located between the first rack (32411) and the third rack (32421) and is engaged with each other, the third protruding portion (3243) comprises a fourth rack (32431) arranged on the third protruding portion (3243), and the second gear (32422) is located between the second rack (32413) and the fourth rack (32431) and is engaged with each other.

4. The high-precision handling trolley for a horizontal machining center machine table according to claim 2, wherein the three-stage telescopic portion (324) has an initial position in which symmetry axes of the first (3241), second (3242) and third (3243) telescopic portions coincide, a first extended position in which the first (3241), second (3242) and third (3243) telescopic portions are each extended toward the first side in sequence, and a second extended position in which the first (3241), second (3242) and third (3243) telescopic portions are each extended toward the second side in sequence.

5. The high-precision handling trolley for a horizontal machining center machine tool workbench according to claim 2, wherein sliding fit is realized between the first protruding part (3241) and the lifting part (323), between the second protruding part (3242) and the first protruding part (3241), and between the third protruding part (3243) and the second protruding part (3242) through anti-overturning sliding rail sliding blocks.

6. The high-precision carrying trolley for a horizontal machining center machine tool workbench according to claim 1, wherein the lifting part (323) comprises a driving motor (3231), a guide rail (3232), a screw rod (3233), a matching part (3234) and a lifting base plate (3235), the driving motor (3231) and the guide rail (3232) are both arranged on the vertical supporting frame (322), the driving motor (3231) is in driving connection with the screw rod (3233), the matching part (3234) is in threaded matching with the screw rod (3233), the lifting base plate (3235) is arranged on the matching part (3234), and the three-stage telescopic part (324) is arranged on the lifting base plate (3235).

7. The high-precision carrying trolley for the horizontal machining center machine tool workbench according to claim 1, wherein the walking part (321) is provided with a bearing walking roller and a limiting guide roller, the bearing walking roller is supported on the upper surface of the walking ground rail (310) and is in walking fit, the limiting guide rollers are arranged on two sides of the walking ground rail (310) and are in clamping fit, and the limiting guide roller and the walking ground rail (310) are in guiding and limiting fit in a direction perpendicular to the walking ground rail (310).