CN211490466U - Working table - Google Patents

Abstract

The utility model discloses a workbench, which comprises a base, a saddle and a seat body, wherein the saddle is connected on the base in a sliding way, the saddle is driven by a first driving mechanism to move along the left and right directions, and the upper end of the saddle is provided with a first bearing; the lower extreme of pedestal is provided with the waist shape hole with first bearing assorted, is provided with the cavity on the pedestal, has arranged two second lead screws along the fore-and-aft direction in the cavity, and two second lead screws set up about first bearing bilateral symmetry, all are provided with second lead screw nut seat on every second lead screw, and second lead screw nut seat is connected on the saddle, and every second lead screw is by second motor drive, and the second motor rotates through the round pin hub connection in pedestal. The utility model discloses structural design scientific and reasonable can realize around the front and back direction with control direction rectilinear movement and above and below the direction rotate certain angle for the axis, can once only process complicated work piece, need not many times dismouting work piece, improves production efficiency, reduction in production cost.

Description

Working table

Technical Field

The utility model relates to a machine tool accessory technical field specifically is a workstation.

Background

The workbench is an important component on the machine tool, and when a workpiece is machined, the workpiece is fixed on the workbench through the clamp, and then the workpiece is machined through the cutter. And during the production process, the workpiece needs to be moved or rotated in multiple directions for machining and forming. However, most of the existing working tables can only move up and down or back and forth on the horizontal plane and cannot swing at a certain angle, and particularly when complex workpieces are machined, the workpieces can only be disassembled and rotated at a certain angle and then clamped on the working tables again for machining, so that the production efficiency is low, and the production cost is high.

Disclosure of Invention

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a compact structure's workstation, this workstation can enough be about the horizontal plane or the back-and-forth movement, also can realize the angle swing and adjust, satisfies the demand of production, improves production efficiency, reduction in production cost.

The workbench comprises a base, a saddle and a seat body, wherein the saddle is connected to the base in a sliding manner, the saddle is driven by a first driving mechanism to move along the left and right directions, and a first bearing is arranged at the upper end of the saddle; the pedestal lower extreme be provided with first bearing assorted waist shape hole, be provided with the cavity on the pedestal, two second lead screws have been arranged along the fore-and-aft direction in the cavity, two the second lead screw about first bearing bilateral symmetry sets up, every all be provided with second lead screw nut seat on the second lead screw, second lead screw nut seat is connected on the saddle, every the second lead screw by second motor drive, the second motor through round pin hub connection in the pedestal.

According to the utility model discloses workstation has following technological effect at least: two second lead screws are arranged in the cavity in a bilateral symmetry mode relative to the first bearing, and since the second lead screw nut seats matched with the second lead screws are connected to the saddle and the seat body is matched with the saddle through the kidney-shaped holes and the first bearing, when the two second motors rotate in the same direction, the two second lead screws synchronously move back and forth relative to the second lead screw nut seats, and further the second motors and the seat body are driven to linearly move along the front-back direction relative to the saddle; when one of the second motors rotates forwards and the other second motor rotates reversely, the two second lead screws move in opposite directions relative to the second lead screw nut seat to provide a torsion force for the seat body, and the waist-shaped hole is matched with the first bearing to be in rotating connection, so that the seat body swings at a certain angle relative to the saddle in the up-down direction as an axis; the workbench can move in the front and back direction and rotate at a certain angle by taking the upper and lower directions as axes. The saddle can also be driven by the first driving mechanism to move linearly along the left-right direction relative to the base. The workbench can linearly move in the front-back direction and the left-right direction and rotate at a certain angle by taking the upper direction and the lower direction as axes, complex workpieces can be processed at one time, the workpieces do not need to be dismounted and mounted for many times, the production efficiency is improved, and the production cost is reduced. The second motor is rotatably connected with the base body through the pin shaft, and the second motor can also swing by a certain angle along with the base body when swinging by a certain angle relative to the upper direction and the lower direction of the saddle as an axis, so that the output shaft of the second motor and the second lead screw are always kept on the same straight line, and the second lead screw is driven to rotate accurately and smoothly.

According to some embodiments of the utility model, the upper end of saddle is provided with the second bearing, the lower extreme of second lead screw nut seat with the second bearing cooperation is connected.

According to some embodiments of the utility model, the top in waist shape hole is provided with the restriction the pedestal is followed the clamp plate that the upper and lower direction is beated, the clamp plate through first screw with the saddle is connected.

According to the utility model discloses a some embodiments, the position that the upper end of clamp plate corresponds every first screw all has the latch segment through second screwed connection, be provided with the U-shaped mouth on the latch segment, during locking, the both sides wall of U-shaped mouth butt simultaneously in the side of the spiral shell head of first screw.

According to the utility model discloses a some embodiments, the second motor with junction between the second lead screw is provided with the bearing frame, the bearing frame passes through the round pin hub rotate connect in the pedestal.

According to the utility model discloses a some embodiments, its characterized in that, the upper end of second lead screw nut seat is provided with the stopper along the fore-and-aft direction.

According to the utility model discloses a some embodiments, the base upper end is provided with the mounting groove along controlling the direction, a drive mechanism connects including rotating first lead screw in the mounting groove, be provided with first lead screw nut seat on the first lead screw, the saddle connect in on the first lead screw nut seat, the one end of first lead screw is connected with the drive the rotatory first motor of first lead screw.

According to the utility model discloses a some embodiments, two first guide rails, two have been arranged along left right direction to the upper end of base first guide rail set up respectively in both sides around the first lead screw, saddle sliding connection in two on the first guide rail.

According to the utility model discloses a some embodiments, the left and right sides of the front end of pedestal is protruding first engaging lug and the second engaging lug of being equipped with respectively, first engaging lug with it has the work piece mount pad to articulate between the second engaging lug, the one end of work piece mount pad is provided with the third motor, the third motor is used for control the work piece mount pad is rotatory as the axis with left right direction.

According to some embodiments of the utility model, the middle part of work piece mount pad is rotated and is connected with the work piece mounting disc, the one end of work piece mounting disc is connected with the drive work piece mounting disc pivoted fourth motor, the axis of fourth motor with the work piece mount pad is perpendicular.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic top view of an embodiment of the present invention;

FIG. 2 is a schematic sectional view of G-G of FIG. 1;

FIG. 3 is a schematic cross-sectional view of H-H in FIG. 2;

fig. 4 is a schematic perspective view of an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

fig. 6 is a schematic structural view of a seat body in the embodiment of the present invention;

fig. 7 is a schematic view of an assembly structure of the pressing plate and the locking block in the embodiment of the present invention.

Reference numerals:

100-base, 110-mounting groove, 120-first guide rail;

200-saddle, 210-first bearing, 220-second bearing, 230-dovetail groove;

300-seat body, 310-waist-shaped hole, 320-cavity, 330-first connecting lug and 340-second connecting lug;

410-a second lead screw, 420-a second lead screw nut seat, 430-a second motor, 440-a pin shaft, 450-a bearing seat, 460-a limiting block, 461-anti-collision glue and 470-a third bearing;

510-pressing plate, 511-threaded hole, 520-first screw, 530-locking block, 531-U-shaped opening and 532-arc hole;

610-a first lead screw, 620-a first lead screw nut seat, 630-a first motor, 640-a fourth bearing, 650-a fifth bearing and 660-a flange seat;

710-workpiece mount, 720-third motor, 730-workpiece mounting plate, 740-fourth motor.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", etc., are referred to the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are descriptions of "first", "second", "third", "fourth", "fifth", etc., these are only used for distinguishing technical features, and they are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying order of indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 6, a workbench according to an embodiment of the present invention is mainly applied to a knife and shear grinding machine, and can adjust a motion track of the workbench and a feeding track of a workpiece according to different arc surfaces of a knife and a shear, so as to quickly and conveniently process different arc surfaces of the knife and the shear, the workbench includes a base 100, a saddle 200 and a seat body 300, the saddle 200 is slidably connected to the base 100, the saddle 200 is driven by a first driving mechanism to move in a left-right direction, and the upper end of the saddle 200 is provided with a first bearing 210; the lower extreme of pedestal 300 is provided with waist shape hole 310 with first bearing 210 assorted, be provided with cavity 320 on the pedestal 300, two second lead screws 410 have been arranged along the fore-and-aft direction in the cavity 320, two second lead screws 410 set up about first bearing 210 bilateral symmetry, all be provided with second lead screw nut seat 420 on every second lead screw 410, second lead screw nut seat 420 is connected on saddle 200, every second lead screw 410 is driven by second motor 430, second motor 430 rotates through round pin 440 and connects in pedestal 300. The embodiment of the present invention is provided with two second lead screws 410 in the cavity 320 in bilateral symmetry with respect to the first bearing 210, because the second lead screw nut seat 420 matched with the second lead screw 410 is connected to the saddle 200, and the seat body 300 is connected to the saddle 200 through the matching of the waist-shaped hole 310 and the first bearing 210, when the two second motors 430 rotate in the same direction, the two second lead screws 410 move back and forth synchronously with respect to the second lead screw nut seat 420, and further the second motors 430 and the seat body 300 are driven to move linearly in the front and back directions with respect to the saddle 200; when one of the second motors 430 rotates in the forward direction and the other second motor 430 rotates in the reverse direction, the two second lead screws 410 move in opposite directions relative to the second lead screw nut base 420 to provide a torsion force for the seat body 300, and the waist-shaped hole 310 is matched to be in rotational connection with the first bearing 210, so that the seat body 300 swings at a certain angle relative to the saddle 200 by taking the up-down direction as an axis; the workbench can move in the front and back direction and rotate at a certain angle by taking the upper and lower directions as axes. The saddle 200 can also move linearly in the left-right direction relative to the base 100 under the drive of the first drive mechanism. The workbench can linearly move in the front-back direction and the left-right direction and rotate at a certain angle by taking the upper direction and the lower direction as axes, complex workpieces can be processed at one time, the workpieces do not need to be dismounted and mounted for many times, the production efficiency is improved, and the production cost is reduced. The second motor 430 is rotatably connected with the base body 300 through the pin 440, and thus, when the base body 300 swings at a certain angle relative to the saddle 200 along the vertical direction as the axis, the second motor 430 can also swing at a certain angle along with the axis, so that the output shaft of the second motor 430 and the second lead screw 410 are always kept on the same straight line, and the second lead screw 410 is driven to rotate accurately and smoothly. Specifically, the first bearing 210 is a deep groove ball bearing, which is simple in structure and convenient to use. The bearing seat is mainly used for bearing radial load, but when the radial play of the bearing is increased, the bearing seat can bear combined radial and axial load, so that the seat body 300 can move linearly back and forth along the first bearing 210 or rotate around the first bearing 210.

As shown in fig. 2 and 3, in some embodiments of the present invention, the upper end of the saddle 200 is provided with the second bearing 220, and the lower end of the second lead screw nut seat 420 is connected with the second bearing 220. With such an arrangement, in the process that the seat body 300 swings at a certain angle relative to the saddle 200 by taking the up-down direction as the axis, the second lead screw 410 rotates at a certain angle along with the saddle, and the second lead screw nut seat 420 also rotates at the same angle in the second bearing 220, so that the second lead screw 410 and the second lead screw nut seat 420 are accurately matched with each other, and the second lead screw 410 moves smoothly relative to the second lead screw nut seat 420. Specifically, the second bearing 220 is a deep groove ball bearing, which is simple in structure and convenient to use. The second lead screw nut seat 420 is mainly used for bearing radial load, but can bear combined radial and axial load when the radial play of the bearing is increased, so that the second lead screw nut seat 420 can rotate around the second bearing 220 conveniently.

As shown in fig. 1, 2 and 4, in some embodiments of the present invention, a pressing plate 510 for limiting the bouncing of the seat body 300 in the up-down direction is disposed above the kidney-shaped hole 310, and the pressing plate 510 is connected to the saddle 200 by a first screw 520. The upper end of clamp plate 510 and pedestal 300 keeps having the clearance of allowwing, does not hinder pedestal 300 relative saddle 200 linear motion or rotation, and clamp plate 510 plays a spacing effect simultaneously, avoids the relative saddle 200 linear motion of pedestal 300 or pivoted in-process, has great beating in the upper and lower direction, has both influenced the precision of motion, produces the abnormal sound again easily and damages pedestal 300 even, further improves the stability of pedestal 300 motion.

As shown in fig. 7, further, the first screw 520 is a hexagon head screw, in order to avoid that after the use for a period of time, the hexagon head screw is subjected to the vibrating action and reversely rotates to loosen the corresponding threaded hole 511, so that the pressing plate 510 cannot play a limiting role, the position corresponding to each hexagon head screw at the upper end of the pressing plate 510 is connected with a locking block 530 through a second screw, the locking block 530 is provided with a U-shaped opening 531, during the locking, two side walls of the U-shaped opening 531 simultaneously abut against two symmetrical side edges of the hexagon head screw, so that the reverse rotation of the hexagon head screw can be avoided, and the pressing plate 510 is loosened. Specifically, in order to mount the locking block 530 on the pressing plate 510 from different angles according to actual needs, such that two sidewalls of the U-shaped opening 531 abut against two symmetrical sides of the hexagon head screw at the same time, a plurality of threaded holes 511 are circumferentially provided on the pressing plate around the first screw 520 to be in threaded connection with the second screw. To further improve the convenience of installing the locking block 530, an arc-shaped hole 532 through which a second screw passes is provided on the locking block 530.

As shown in fig. 1, fig. 3, fig. 4 and fig. 5, in some embodiments of the present invention, since the output shaft of the second motor 430 is connected to one end of the second lead screw 410 through the shaft coupling, in order to avoid dust and the like falling on the shaft coupling, which affects the stability of the second motor 430 driving the second lead screw 410 to rotate, a bearing seat 450 is disposed at the connection between the second motor 430 and the second lead screw 410, the shaft coupling is disposed in the bearing seat 450, one end of the second lead screw 410 close to the second motor 430 is rotatably connected to the bearing seat 450 through a third bearing 470, and the bearing seat 450 is rotatably connected to the seat body 300 through a pin 440. Specifically, the third bearing 470 is an angular contact ball bearing, which has a strong bearing capacity, and can effectively prevent the second lead screw 410 from moving axially, and the second lead screw 410 is not easy to displace axially relative to the second motor 430. It is understood that the axial direction of the second lead screw 410 refers to the front-rear direction.

As shown in fig. 1 to 5, in some embodiments of the present invention, a limiting block 460 is disposed on the upper end of the second lead screw nut seat 420 along the front-back direction. By arranging the limiting block 460, the amount of forward and backward movement of the seat body 300 relative to the saddle 200 and the amount of rotation of the seat body 300 relative to the saddle 200 about the vertical direction as the axis can be limited, thereby ensuring that the seat body 300 moves within an effective stroke. Specifically, both ends all are provided with the anticollision and glue 461 around the stopper 460, and the anticollision is glued 461 and can be slowed down the impact force when pedestal 300 and stopper 460 contact, avoids both damages increase of service life.

As shown in fig. 2, in some embodiments of the present invention, the mounting groove 110 is disposed at the upper end of the base 100 along the left-right direction, the first driving mechanism includes a first lead screw 610 rotatably connected in the mounting groove 110, a first lead screw nut seat 620 is disposed on the first lead screw 610, the saddle 200 is connected to the first lead screw nut seat 620, and one end of the first lead screw 610 is connected to a first motor 630 for driving the first lead screw 610 to rotate. Since both ends of the first lead screw 610 are rotatably connected to the base 100, when the first motor 630 drives the first lead screw 610 to rotate, the first lead screw nut seat 620 moves in the left-right direction with respect to the first lead screw 610, so that the saddle 200 linearly moves on the base 100 in the front-rear direction. Specifically, a fourth bearing 640 is disposed at one end of the first lead screw 610 close to the first motor 630, a fifth bearing 650 is disposed at the other end of the first lead screw 610, and the fourth bearing 640 and the fifth bearing 650 are respectively connected in the mounting groove 110 through a flange seat 660. So as to ensure that the first lead screw 610 rotates in place in the mounting groove 110 under the driving of the first motor 630, so that the first lead screw nut seat 620 moves left and right relative to the base 100. Preferably, the fourth bearing 640 is an angular contact ball bearing, which has strong bearing capacity and can effectively prevent the first lead screw 610 from moving axially, and the first lead screw 610 is not easy to displace axially relative to the first motor 630; fifth bearing 650 is a deep groove ball bearing. It is understood that the axial direction of the first lead screw 610 refers to the left-right direction.

As shown in fig. 4 and 5, further, two first guide rails 120 are disposed at the upper end of the base 100 along the left-right direction, the two first guide rails 120 are respectively disposed at the front and rear sides of the first lead screw 610, and the saddle 200 is slidably connected to the two first guide rails 120. First lead screw 610 drives saddle 200 along the left and right direction rectilinear movement's in-process through first lead screw nut seat 620 under the drive of first motor 630, cooperates first guide rail 120 to play a guide's effect to saddle 200, ensures that saddle 200 moves along left and right direction smoothly. Thereby realizing the accurate movement of the workbench in the left and right directions. Specifically, first guide rail 120 sets up to the V-arrangement guide rail, and the lower extreme of saddle 200 is provided with V-arrangement guide rail assorted V-arrangement groove 230, slides more steadily reliably, avoids saddle 200 to produce the phenomenon of turning on one's side at the slip in-process, and the direction precision is high, can automatic compensation wearing and tearing, further improves the stability that saddle 200 removed along left right direction.

As shown in fig. 1, 4 and 5, in some embodiments of the present invention, the left and right sides of the front end of the seat body 300 are respectively provided with the first connection lug 330 and the second connection lug 340 in a protruding manner, a workpiece mounting seat 710 is hinged between the first connection lug 330 and the second connection lug 340, one end of the workpiece mounting seat 710 is provided with a third motor 720, and the third motor 720 is used for controlling the workpiece mounting seat 710 to rotate around the left and right direction as an axis. The third motor 720 can drive the workpiece mounting seat 710 to rotate by a certain angle by taking the left-right direction as an axis, so that the workpiece mounted on the workpiece mounting seat 710 rotates by a certain angle by taking the left-right direction as an axis in the process of reprocessing the workpiece, and different arc-shaped surfaces can be machined on the workpiece. The embodiment of the utility model provides a can realize the four-axis linkage, further enlarge the utility model discloses application scope.

Further, a workpiece mounting plate 730 is rotatably connected to the middle of the workpiece mounting seat 710, a fourth motor 740 for driving the workpiece mounting plate 730 to rotate is connected to one end of the workpiece mounting plate 730, and the axis of the fourth motor 740 is perpendicular to the workpiece mounting seat 710. The fourth motor 740 can drive the workpiece mounting plate 730 to rotate by taking the linear direction perpendicular to the workpiece mounting seat 710 as an axis, and the third motor 720 is matched to drive the workpiece mounting seat 710 to rotate by a certain angle by taking the left direction and the right direction as the axis, so that different arc-shaped surfaces can be processed on the workpiece at one time, the workpiece is not required to be dismounted and mounted for many times, and the production efficiency is improved. The embodiment of the utility model provides a can realize five-axis linkage, further enlarge the utility model discloses application scope.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A table, comprising:

a base (100);

the saddle (200) is connected to the base (100) in a sliding mode, the saddle (200) is driven by a first driving mechanism to move in the left-right direction, and a first bearing (210) is arranged at the upper end of the saddle (200);

pedestal (300), the lower extreme be provided with first bearing (210) assorted waist shape hole (310), be provided with cavity (320) on pedestal (300), two second lead screw (410) have been arranged along the front and back direction in cavity (320), two second lead screw (410) about first bearing (210) bilateral symmetry sets up, every all be provided with second lead screw nut seat (420) on second lead screw (410), second lead screw nut seat (420) are connected on saddle (200), every second lead screw (410) are driven by second motor (430), second motor (430) through round pin axle (440) rotate connect in pedestal (300).

2. A workbench according to claim 1, wherein said saddle (200) is provided at its upper end with a second bearing (220), and wherein said second lead screw-nut holder (420) is fittingly connected at its lower end with said second bearing (220).

3. A workbench according to claim 1, wherein a pressure plate (510) for limiting the up-and-down bouncing of the base body (300) is arranged above the slotted hole (310), and the pressure plate (510) is connected with the saddle (200) through a first screw (520).

4. A workbench according to claim 3, wherein a locking block (530) is connected to the upper end of the pressing plate (510) corresponding to each first screw (520) via a second screw, the locking block (530) is provided with a U-shaped opening (531), and when locking, two side walls of the U-shaped opening (531) abut against the side edges of the screw heads of the first screws (520) simultaneously.

5. A workbench according to claim 1, wherein a bearing seat (450) is provided at the connection between the second motor (430) and the second lead screw (410), and the bearing seat (450) is rotatably connected to the base body (300) via the pin (440).

6. A workbench according to any one of claims 1 to 4, wherein the upper end of the second lead screw-nut seat (420) is provided with a stop block (460) along the fore-and-aft direction.

7. A workbench according to claim 1, wherein an installation groove (110) is provided at the upper end of the base (100) along the left-right direction, the first driving mechanism comprises a first lead screw (610) rotatably connected in the installation groove (110), a first lead screw nut seat (620) is provided on the first lead screw (610), the saddle (200) is connected to the first lead screw nut seat (620), and a first motor (630) for driving the first lead screw (610) to rotate is connected to one end of the first lead screw (610).

8. A workbench according to claim 7, wherein two first guide rails (120) are arranged at the upper end of the base (100) along the left-right direction, the two first guide rails (120) are respectively arranged at the front and rear sides of the first lead screw (610), and the saddle (200) is slidably connected to the two first guide rails (120).

9. The workbench according to claim 1, wherein a first connecting lug (330) and a second connecting lug (340) are respectively convexly provided at the left and right sides of the front end of the base (300), a workpiece mounting base (710) is hinged between the first connecting lug (330) and the second connecting lug (340), a third motor (720) is provided at one end of the workpiece mounting base (710), and the third motor (720) is used for controlling the workpiece mounting base (710) to rotate around the left and right direction as an axis.

10. A workbench according to claim 9, wherein a workpiece mounting plate (730) is rotatably connected to the middle of the workpiece mounting seat (710), one end of the workpiece mounting plate (730) is connected with a fourth motor (740) for driving the workpiece mounting plate (730) to rotate, and the axis of the fourth motor (740) is perpendicular to the workpiece mounting seat (710).

Images