CN212578021U

CN212578021U - Auxiliary bearing platform for machine tool machined part

Info

Publication number: CN212578021U
Application number: CN202021368814.8U
Authority: CN
Inventors: 何修太; 魏灿利; 刘圣善; 刘丙学
Original assignee: Shandong Yihao Heavy Industry Technology Co ltd
Current assignee: Shandong Yihao Heavy Industry Technology Co ltd
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-02-23
Anticipated expiration: 2030-07-11

Abstract

The application relates to the technical field of machine tool bearing devices, and discloses a supplementary bearing platform of machine tool machined part, and it includes the bottom plate, is provided with bearing mechanism on the bottom plate, bearing mechanism includes two supporting components and two rotating assembly, the rotating assembly joint is in the supporting component upper end, the supporting component includes the connecting plate, two backup pads of the perpendicular fixedly connected with of connecting plate, two backup pad parallel arrangement, two the draw-in groove has been seted up to backup pad upper end intermediate position, rotating assembly includes dwang and runner, the dwang both ends joint is in the draw-in groove that two backup pads upper end were seted up respectively, two dwang parallel arrangement, the dwang rotates with the runner to be connected. The application has the advantages that the abrasion received by the workpiece is small, and the workpiece machining quality is guaranteed.

Description

Auxiliary bearing platform for machine tool machined part

Technical Field

The application relates to the field of machine tool supporting devices, in particular to an auxiliary bearing platform for machine tool workpieces.

Background

A metal cutting machine is a machine for cutting a workpiece which is moved rotationally by a turning tool which is moved in a feed direction. The machining principle of the metal cutting machine tool is that a cutter and a workpiece are mounted on the metal cutting machine tool, and the relative movement of the cutter and the workpiece, namely cutting movement, is generated by a transmission and speed change system of the machine tool, so that a required part is cut.

The metal cutting machine tool has wide processing range, and can be used for mainly processing a rotary surface, turning an excircle, turning an end face, grooving, drilling, boring, turning a conical surface, turning threads, turning a forming surface, drilling a central hole, knurling and the like.

In the machining process of the machine tool, the requirement on the coaxiality of the rotation of the workpiece is high. When the machine tool machines a workpiece with larger quality or longer length, the workpiece is fixed only by the chuck at the head of the machine tool and the ejector pin at the tail of the machine tool, and the middle part of the workpiece is easy to deform, so that the machining precision of the machine tool is influenced.

Referring to fig. 1, the current auxiliary supporting device for machine tool workpieces mostly comprises a base 100, a supporting rod 600 is rotatably connected to the base 100, a supporting block 610 is connected to one end, far away from the base, of the supporting rod 600 in a threaded manner, and the upper end of the supporting block 610 abuts against a workpiece. The base 100 is connected with fixing device 500, and fixing device 500 includes the riser 510, the riser 510 and the perpendicular fixed connection of bottom plate 100, and the riser 510 is located the position of bottom plate 100 lower extreme both sides, the perpendicular fixedly connected with diaphragm 520 of riser 510, and diaphragm 520 is located the below of bottom plate 100. The fixing device 500 further includes a locking bolt 530, the locking bolt 530 is threadedly coupled to the cross plate 520, and the locking bolt 530 is perpendicular to the cross plate 520. The relative height between the bearing block 610 and the base 100 is adjusted by rotating the support bar 600, thereby being suitable for workpieces with different sizes.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the part where the workpiece collides with the bearing block is seriously worn due to the rapid rotation in the workpiece machining process.

SUMMERY OF THE UTILITY MODEL

In order to reduce the wearing and tearing of supporting device to the work piece, this application provides a supplementary bearing platform of machine tool machined part.

The application provides a supplementary bearing platform of machine tool machined part adopts following technical scheme:

the utility model provides an auxiliary bearing platform of machine tool machined part, includes the bottom plate, bottom plate fixedly connected with sliding plate, be provided with bearing mechanism on the sliding plate, bearing mechanism includes two supporting component and two rotating assembly, two supporting component and sliding plate sliding connection, rotating assembly fixed connection is in the supporting component upper end, rotating assembly includes dwang and runner, the dwang both ends respectively with supporting component fixed connection, two bearing mechanism's dwang parallel arrangement, the dwang rotates with the runner to be connected.

Through adopting above-mentioned technical scheme, when the processingquality is great or the device that length is longer, place the bearing platform in the below of the intermediate position of work piece, the lateral wall butt of two runners and work piece plays the effect of supporting the work piece. The runner rotates with the dwang to be connected, dwang and supporting component fixed connection. When a workpiece is machined, the workpiece rotates to drive the rotating wheel to rotate, friction between the workpiece and the rotating wheel is rolling friction, and friction force is small, so that the workpiece is abraded less, and the quality of the workpiece is guaranteed.

Preferably, the supporting component comprises a connecting plate, the connecting plate is connected with the sliding plate in a sliding manner, the connecting plate is vertically and fixedly connected with two supporting plates, the two supporting plates are arranged in parallel, a clamping groove is formed in the middle of the upper end of each supporting plate, and the rotating rod is fixedly connected in the clamping groove.

Through adopting above-mentioned technical scheme, connecting plate sliding connection is on the sliding plate, and two backup pads of the perpendicular fixed connection in connecting plate both sides support rotating assembly, and the draw-in groove has been seted up to the backup pad upper end, and rotating assembly fixed connection strengthens the stability of connecting in the draw-in groove.

Preferably, the upper end of the sliding plate is provided with a sliding groove, the supporting component is connected in the sliding groove in a sliding manner, and the upper end of the sliding plate is provided with a driving mechanism for driving the supporting component to slide.

Through adopting above-mentioned technical scheme, set up actuating mechanism in the sliding plate upper end, utilize actuating mechanism to control two supporting component removals simultaneously, reduce workman's work load, improve production efficiency.

Preferably, the driving mechanism comprises a bidirectional screw rod rotatably connected to the sliding plate, a nut is fixedly connected between the two supporting plates, and the two nuts are respectively in threaded connection with two thread sections of the bidirectional screw rod.

Through adopting above-mentioned technical scheme, with screw fixed connection between two backup pads, two screws respectively with two screw thread section threaded connection of two-way lead screw. Therefore, the two supporting components are controlled to be close to or far away from each other through forward and reverse rotation of the lead screw.

Preferably, the upper end of the sliding plate is fixedly connected with a motor, and a main shaft of the motor is coaxially and fixedly connected with the bidirectional lead screw.

Through adopting above-mentioned technical scheme, utilize the motor drive lead screw to rotate, the just reversal of motor is adjusted conveniently, and motor output is steady simultaneously to make the lead screw rotate steadily.

Preferably, the middle position of the lower end of the bottom plate is fixedly connected with a sliding block, two side walls, close to the fixing device, of the sliding block are vertically and fixedly connected with rolling shafts, one end, far away from the sliding block, of each rolling shaft is rotatably connected with a roller, the two rollers are respectively abutted against the two side walls opposite to the sliding hole, and the rolling axes of the rollers are perpendicular to the bottom plate.

By adopting the technical scheme, the sliding block is fixedly connected to the middle position of the lower end of the bottom plate, the sliding block is connected to the sliding hole formed in the machine tool workbench in a sliding mode, and the sliding hole limits the sliding block, so that the bearing table is limited, and the bearing table is prevented from rotating relative to the workbench of the machine tool. The vertical fixed connection of roll axis is on slider both sides wall, and the roll axis is kept away from slider one end and is rotated and be connected with the gyro wheel, and the gyro wheel is contradicted with the lateral wall in slide opening, and the frictional force that the lateral wall conflict in gyro wheel and slide opening produced contradicts the slider and the friction that produces is less, makes the slip of bearing platform on the lathe workstation more smooth and easy.

Preferably, the lower end of the bottom plate is provided with a fixing device for fixing the auxiliary bearing platform on the workbench.

Through adopting above-mentioned technical scheme, set up fixing device at the bottom plate lower extreme, utilize fixing device to fix the workstation relatively of bearing platform and lathe, it is more stable when making bearing platform bearing work piece, reduce the bearing platform appear rocking etc. and workstation relative motion's possibility.

Preferably, fixing device includes the riser, riser and the perpendicular fixed connection of bottom plate, the riser is located the position of bottom plate lower extreme both sides, the diaphragm is located the below of bottom plate, the perpendicular fixedly connected with diaphragm of riser, fixing device still includes the locking bolt, locking bolt threaded connection is on the diaphragm, the locking bolt is perpendicular with the diaphragm.

Through adopting above-mentioned technical scheme, rotate the locking bolt, make locking bolt one end contradict with the lower extreme of lathe work platform, the locking bolt exerts the power of keeping away from the bottom plate to the diaphragm, and the locking bolt receives the power towards the bottom plate relatively to closely laminate with the lower extreme of lathe workstation, reach the effect to the workstation relatively fixed of cushion cap and lathe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting platform is placed in the middle position below the workpiece with large mass or long length, the two rotating wheels are abutted to the side wall of the workpiece, and the workpiece is supported. The runner rotates with the dwang to be connected, dwang and backup pad joint, backup pad fixed connection on the connecting plate, runner and connecting plate relative rotation. When a workpiece is machined, the workpiece rotates to drive the rotating wheel to rotate, the friction between the workpiece and the rotating wheel is rolling friction, and the friction force is small, so that the workpiece is less abraded, and the quality of the workpiece is ensured;

2. the two nuts are respectively in threaded connection with the two threaded sections of the bidirectional screw rod, so that the two support components are controlled to be close to or far away from each other through forward and reverse rotation of the screw rod;

3. the sliding block is fixedly connected to the middle position of the lower end of the bottom plate, the sliding block is connected to a sliding hole formed in a machine tool workbench in a sliding mode, and the sliding hole limits the sliding block, so that the bearing table is limited, and the bearing table and the workbench of the machine tool are prevented from rotating relatively.

Drawings

FIG. 1 is a schematic view of the overall structure of the background art;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is a schematic view of the construction of the supporting mechanism and the driving mechanism part of the present embodiment;

fig. 4 is a schematic structural view of a fixing device portion of the present embodiment.

Description of reference numerals: 100. a base plate; 110. a slider; 120. a roll axis; 130. a roller; 200. a support mechanism; 210. a support assembly; 211. a connecting plate; 212. a support plate; 213. a card slot; 220. a rotating assembly; 221. rotating the rod; 222. a rotating wheel; 300. a sliding plate; 310. a chute; 400. a drive mechanism; 410. a bidirectional lead screw; 420. a nut; 430. a motor; 500. a fixing device; 510. a vertical plate; 520. a transverse plate; 530. locking the bolt; 600. a support bar; 610. a bearing block; 700. a work table; 710. a main spindle box; 720. a tailstock; 730. a slide hole.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

Referring to fig. 1, the machine tool includes a table 700, a spindle box 710 is fixedly connected to one side of an upper end of the table 700, a tailstock 720 is fixedly connected to one side of the upper end of the table 700 far from the spindle box 710, and a sliding hole 730 is formed in the table 700.

The embodiment of the application discloses auxiliary bearing platform of machine tool machined part.

Referring to fig. 2, an auxiliary supporting table for a machine tool workpiece includes a base plate 100, the base plate 100 is a rectangular thin plate, and a length direction of the base plate 100 is perpendicular to a length direction of the machine tool. The bottom plate 100 is provided with a supporting mechanism 200, the supporting mechanism 200 is used for supporting a workpiece, and a chuck on the auxiliary machine tool and the tail fixing device fix the workpiece. The middle part of the workpiece is prevented from deforming, and the machining precision of the machine tool is prevented from being influenced.

Referring to fig. 3, a sliding plate 300 is fixedly connected to the upper side of the bottom plate 100, the sliding plate 300 is a rectangular thin plate, and the longitudinal direction of the sliding plate 300 is parallel to the longitudinal direction of the bottom plate 100. The upper end of the sliding plate 300 is provided with a sliding groove 310 along the length direction thereof, and the supporting mechanism 200 is slidably connected to the sliding groove 310. A driving mechanism 400 for driving the supporting mechanism 200 to slide in the slide groove 310 is fixedly connected to the upper end of the slide plate 300.

Referring to fig. 3, the racking mechanism 200 includes a rotating member 220 and a support member 210. Wherein the rotating assembly 220 is adapted to contact and provide support to the workpiece, and the rotating assembly 220 is fixedly attached to the support assembly, which is adapted to support the rotating assembly. The supporting component 210 has two, and the supporting component 210 includes connecting plate 211, two backup pads 212 of perpendicular fixedly connected with on the connecting plate 211, two backup pads 212 parallel arrangement, draw-in groove 213 has been seted up to backup pad 212 upper end, draw-in groove 213 and runner assembly 220 fixed connection.

Referring to fig. 3, the rotating assembly 220 includes a rotating shaft 221, and a line along which the rotating shaft 221 rotates is perpendicular to the length direction of the base plate 100. The rotating assembly 220 further includes a rotating wheel 222, the rotating wheel 222 is annular, the rotating wheel 222 is rotatably connected to the rotating rod 221, and the rotating rod 221 is fixedly connected to the engaging groove 213, so as to realize the relative rotation between the rotating wheel 222 and the supporting assembly 210. The friction between the wheel 222 and the workpiece is rolling friction, which reduces the abrasion of the workpiece to the wheel 222.

Referring to fig. 3, the driving mechanism 400 includes a bidirectional screw 410, and two opposite threads are provided at two axial ends of the bidirectional screw 410. A nut 420 is fixedly connected between the two support plates 212, and the two nuts 420 are respectively in threaded connection with two threaded sections of the bidirectional screw 410. Therefore, the two supporting assemblies 210 are controlled to move close to or away from each other through the forward and backward rotation of the screw rod. The driving mechanism 400 is used for controlling the two supporting assemblies 210 to move simultaneously, so that the workload of workers is reduced, and the production efficiency is improved.

Referring to fig. 3, a motor 430 is fixedly connected to the upper end of the sliding plate 300, and a spindle of the motor 430 is coaxially and fixedly connected to the bidirectional lead screw 410. The motor 430 is used for driving the bidirectional lead screw 410 to rotate, the forward and reverse rotation of the motor 430 is convenient to adjust, and meanwhile, the output of the motor 430 is stable, so that the lead screw rotates stably.

Referring to fig. 4, a sliding block 110 is fixedly connected to the middle of the lower end of the bottom plate 100, two side walls of the sliding block 110 near two ends of the bottom plate 100 are vertically and fixedly connected with rolling shafts 120, one end of each rolling shaft 120 far away from the sliding block 110 is rotatably connected with a roller 130, and the rolling axis of the roller 130 is perpendicular to the bottom plate 100. The sliding block 110 is slidably connected to a sliding hole 730 on the machine tool workbench 700, and the sliding hole 730 limits the sliding block 110, so that the bearing table is limited, and the bearing table is prevented from rotating relative to the workbench 700 of the machine tool. The rolling shaft 120 is vertically and fixedly connected to two side walls of the sliding block 110, the roller 130 is rotatably connected to one end, far away from the sliding block 110, of the rolling shaft 120, the roller 130 abuts against the side wall of the sliding hole 730, and friction force generated by the abutting of the roller 130 and the side wall of the sliding hole 730 is smaller than friction force generated by the abutting of the sliding block 110 and the sliding hole 730, so that the bearing platform can slide on the machine tool workbench 700 more smoothly.

Referring to fig. 4, the fixing device 500 includes a vertical plate 510, the vertical plate 510 is vertically and fixedly connected to the base plate 100, the vertical plate 510 is located at two sides of the lower end of the base plate 100, the vertical plate 510 is vertically and fixedly connected to a horizontal plate 520, and the horizontal plate 520 is located below the base plate 100. The fixing device 500 further includes a locking bolt 530, the locking bolt 530 is threadedly coupled to the cross plate 520, and the locking bolt 530 is perpendicular to the cross plate 520. The locking bolt 530 is rotated to enable one end of the locking bolt 530 to abut against the lower end of the lathe workbench 700, the locking bolt 530 applies a force far away from the base plate 100 to the cross plate 520, and the locking bolt 530 relatively receives a force towards the base plate 100, so that the locking bolt is tightly attached to the lower end of the lathe workbench 700, and the effect of relatively fixing the supporting platform and the lathe workbench 700 is achieved.

The implementation principle of the auxiliary bearing platform of the machine tool machined part in the embodiment of the application is as follows: when a workpiece with a large mass or a long length is to be processed, the supporting table is slid along the slide hole 730 to a position below the middle position of the workpiece by pushing the base plate 100. When the motor 430 is turned on, the spindle of the motor 430 drives the bidirectional screw 410 to rotate, and the screw rotates to drive the supporting device to slide on the sliding plate 300, so as to drive the two rotating wheels 222 to approach each other, and when both rotating wheels 222 abut against the side wall of the workpiece, the motor 430 is turned off. The locking bolt 530 is rotated to make one end of the locking bolt 530 abut against the lower end of the lathe work table 700, the locking bolt 530 applies a force far away from the base plate 100 to the cross plate 520, and the locking bolt 530 relatively receives a force towards the base plate 100, so that the locking bolt is tightly attached to the lower end of the lathe work table 700, and the supporting table and the lathe work table 700 are relatively fixed. The machine tool is started to machine the workpiece, the workpiece rotates to drive the rotating wheel 222 to rotate, friction between the workpiece and the rotating wheel 222 is rolling friction, friction force is small, accordingly, the workpiece is less abraded, and quality of the workpiece is guaranteed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a supplementary cushion cap of machine tool machined part which characterized in that: including bottom plate (100), bottom plate (100) fixedly connected with sliding plate (300), be provided with bearing mechanism (200) on sliding plate (300), bearing mechanism (200) include two supporting component (210) and two rotating component (220), two supporting component (210) and sliding plate (300) sliding connection, rotating component (220) fixed connection is in supporting component (210) upper end, rotating component (220) are including dwang (221) and runner (222), dwang (221) both ends respectively with supporting component (210) fixed connection, two dwang (221) parallel arrangement of bearing mechanism (200), dwang (221) and runner (222) rotate to be connected.

2. An auxiliary support table for machine tool workpieces according to claim 1, characterized in that: the supporting component (210) comprises a connecting plate (211), the connecting plate (211) is in sliding connection with a sliding plate (300), the connecting plate (211) is vertically and fixedly connected with two supporting plates (212) which are arranged in parallel, a clamping groove (213) is formed in the middle position of the upper end of each supporting plate (212), and the rotating rod (221) is fixedly connected in the clamping groove (213).

3. An auxiliary support table for machine tool workpieces according to claim 2, characterized in that: the upper end of the sliding plate (300) is provided with a sliding groove (310), the supporting component (210) is connected in the sliding groove (310) in a sliding mode, and the upper end of the sliding plate (300) is provided with a driving mechanism (400) for driving the supporting component (210) to slide.

4. An auxiliary support table for a machine tool workpiece according to claim 3, characterized in that: the driving mechanism (400) comprises a bidirectional screw rod (410) which is rotatably connected to the sliding plate (300), a screw nut (420) is fixedly connected between the two supporting plates (212), and the two screw nuts (420) are respectively in threaded connection with two thread sections of the bidirectional screw rod (410).

5. An auxiliary support table for machine tool workpieces according to claim 4, characterized in that: the upper end of the sliding plate (300) is fixedly connected with a motor (430), and a main shaft of the motor (430) is coaxially and fixedly connected with the bidirectional lead screw (410).

6. An auxiliary support table for machine tool workpieces according to claim 1, characterized in that: bottom plate (100) lower extreme intermediate position fixedly connected with slider (110), perpendicular fixedly connected with roll axis (120) on the both sides wall that slider (110) are close to fixing device (500), roll axis (120) keep away from slider (110) one end and rotate and be connected with gyro wheel (130), two gyro wheel (130) respectively with the both sides wall butt that the sliding hole is relative, the roll axis and the bottom plate (100) of gyro wheel (130) are perpendicular.

7. An auxiliary support table for a machine tool workpiece according to claim 6, wherein: the lower end of the bottom plate (100) is provided with a fixing device (500) for fixing the auxiliary bearing platform on the workbench.

8. An auxiliary support table for a machine tool workpiece according to claim 7, wherein: fixing device (500) includes riser (510), riser (510) and the perpendicular fixed connection of bottom plate (100), riser (510) are located the position of bottom plate (100) lower extreme both sides, the perpendicular fixedly connected with diaphragm (520) of riser (510), diaphragm (520) are located the below of bottom plate (100), fixing device (500) still includes locking bolt (530), locking bolt (530) threaded connection is on diaphragm (520), locking bolt (530) are perpendicular with diaphragm (520).