CN211708782U

CN211708782U - Double-roller supporting mechanism for numerical control machine tool

Info

Publication number: CN211708782U
Application number: CN202020320529.2U
Authority: CN
Inventors: 耿则建
Original assignee: Xinzheng Yunqian Technology Incubator Co ltd
Current assignee: Xinzheng Yunqian Technology Incubator Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-10-20
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a two roller supporting mechanism for digit control machine tool, including frame and slider, the inboard of frame is rotated and is connected with first rotation roller, the frame is close to bottom one side and installs gear motor, gear motor and first rotation roller fixed connection, wherein, the top that the frame is close to first rotation roller is provided with the carriage. This double-roller supporting mechanism for digit control machine tool, when needing to adjust the distance between first live-rollers and the second live-rollers, drive motor drives the second gear and rotates, make the second gear drive first gear through the meshing and rotate, first gear and turning block fixed connection, make drive motor can drive the turning block and rotate, the turning block produces relative rotation with first lead screw, make first lead screw produce relative movement through external screw thread and turning block, be convenient for make the turning block drive the carriage and remove, drive the second live-rollers through the carriage and remove, can effectual improvement second live-rollers's regulation precision through the screw thread transmission.

Description

Double-roller supporting mechanism for numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a digit control machine tool is with two roller supporting mechanism.

Background

The numerical control machine tool is a numerical control machine tool for short, and is an automatic machine tool provided with a program control system, the machine tool can act and machine parts according to a programmed program, when plate-shaped parts are machined, a double-roller feeding mechanism is needed to be used for feeding the numerical control machine tool, a workpiece is driven to move through the rotation of a double roller, and the double roller is needed to be supported by a double-roller supporting mechanism.

Although the existing double-roller supporting mechanism for the numerical control machine tool has a great variety and number, the existing double-roller supporting mechanism for the numerical control machine tool still has certain problems, and certain inconvenience is brought to the use of the double-roller supporting mechanism for the numerical control machine tool.

When the existing double-roller supporting mechanism for the numerical control machine tool is used, the distance between the double rollers needs to be adjusted according to the thickness of a workpiece, the existing double rollers are adjusted through hydraulic pressure or pneumatic pressure, the adjusting precision is low, the distance between the double rollers is inconvenient to adjust, and the double-roller supporting mechanism is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two roller supporting mechanism for digit control machine tool to solve present two roller supporting mechanism for digit control machine tool that above-mentioned background art provided and when using, need adjust the distance between the two rollers according to work piece thickness, current mostly adjusts through hydraulic pressure or pneumatics, and it is lower to adjust the precision, and inconvenient distance to between the two rollers is adjusted, the problem of inconvenient use.

In order to achieve the above object, the utility model provides a following technical scheme: a double-roller supporting mechanism for a numerical control machine tool comprises a machine frame and a sliding block, wherein a first rotating roller is rotatably connected to the inner side of the machine frame, a speed reducing motor is installed on one side, close to the bottom, of the machine frame, the speed reducing motor is fixedly connected with the first rotating roller, wherein,

a sliding frame is arranged at the top of the rack close to the first rotating roller, one side of the sliding frame close to the first rotating roller is rotatably connected with a second rotating roller, rotating grooves are formed in two ends of the sliding frame close to the second rotating roller, a rotating rod is fixed on one side of the second rotating roller close to the rotating grooves, and sliding grooves are formed in two sides of the rack close to the sliding frame;

the slider is fixed in one side that the carriage is close to the spout, the top mid-mounting of frame has the bearing, the inboard of bearing is run through there is the turning block, the first lead screw of top middle part fixedly connected with of carriage, the top of turning block is fixed with first gear, drive motor is installed to top one side of frame, one side that drive motor is close to first gear is fixed with the second gear.

Preferably, the bottom both sides of carriage are passed through the alignment jig and are connected with the rotation of second live-rollers, the top middle part of alignment jig rotates and is connected with the second lead screw, the second lead screw runs through the inside of carriage and extends to the top, the guide way has been seted up to both sides that the carriage is close to the alignment jig, one side that the alignment jig is close to the guide way is fixed with the guide bar.

Preferably, the guide rod is a cylinder, the guide rods are symmetrically distributed about the middle of the adjusting bracket, and the vertical distance from the guide rod to the top of the guide groove is greater than the vertical distance from the adjusting bracket to the sliding bracket.

Preferably, the sliding groove and the sliding block are T-shaped, and the sliding groove and the sliding block form a sliding structure.

Preferably, the first screw rod and the rotating block form a thread structure, the rotating block is I-shaped, and the outer diameters of two ends of the rotating block are larger than the inner diameter of the bearing.

Preferably, the first gear and the second gear are perpendicular to each other, and the first gear and the second gear form a meshing structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the distance between a first rotating roller and a second rotating roller needs to be adjusted, a transmission motor drives a second gear to rotate, the second gear drives a first gear to rotate through meshing, the first gear is fixedly connected with a rotating block, the transmission motor can drive the rotating block to rotate, the rotating block and a first lead screw generate relative rotation, the first lead screw and the rotating block generate relative movement through external threads, the rotating block can conveniently drive a sliding frame to move, the second rotating roller is driven to move through the sliding frame, and the adjusting precision of the second rotating roller can be effectively improved through thread transmission;

2. the double-roller supporting mechanism for the numerical control machine tool measures the vertical distance between a first rotating roller and a second rotating roller at two ends, then rotates a second screw rod at one end with smaller distance, and the second screw rod and a sliding frame generate relative movement through external threads, so that the second screw rod drives an adjusting frame at one side to move upwards until the vertical distances between the two ends of the first rotating roller and the two ends of the second rotating roller are equal, and the fine adjustment of the inclination angle of the second rotating roller is facilitated;

3. this two roller supporting mechanism for digit control machine tool when rotating the second lead screw, avoids the alignment jig to be driven by the second lead screw through the guide bar and produces the rotation, prevents that the dwang from shifting out and rotates the groove, and leads through the removal of guide bar to the alignment jig, avoids the removal of alignment jig to produce the skew.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the sliding frame of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a frame; 2. a first rotating roller; 3. a reduction motor; 4. a carriage; 401. an adjusting bracket; 402. a second lead screw; 403. a guide groove; 404. a guide bar; 5. a second rotating roller; 6. a rotating groove; 7. rotating the rod; 8. a chute; 9. a slider; 10. a bearing; 11. rotating the block; 12. a first lead screw; 13. a first gear; 14. a drive motor; 15. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a double-roller supporting mechanism for a numerical control machine tool comprises a rack 1, a first rotating roller 2, a speed reducing motor 3, a sliding frame 4, a second rotating roller 5, a rotating groove 6, a rotating rod 7, a sliding groove 8, a sliding block 9, a bearing 10, a rotating block 11, a first screw rod 12, a first gear 13, a transmission motor 14 and a second gear 15, wherein the first rotating roller 2 is rotatably connected to the inner side of the rack 1, the speed reducing motor 3 is installed on one side, close to the bottom, of the rack 1, the speed reducing motor 3 is fixedly connected with the first rotating roller 2, and the speed reducing motor 3 is fixedly connected with the first rotating roller 2,

the top that frame 1 is close to first live-rollers 2 is provided with carriage 4, the bottom both sides of carriage 4 are passed through alignment jig 401 and are connected with the rotation of second live-rollers 5, the top middle part of alignment jig 401 rotates and is connected with second lead screw 402, second lead screw 402 runs through the inside of carriage 4 and extends to the top, guide way 403 has been seted up to the both sides that carriage 4 is close to alignment jig 401, one side that alignment jig 401 is close to guide way 403 is fixed with guide bar 404, guide bar 404 is the cylinder, and guide bar 404 is about the middle part symmetric distribution of alignment jig 401, and the perpendicular distance of guide bar 404 to the guide way 403 top is greater than the perpendicular distance of alignment jig 401 to carriage 4, when rotating second lead screw 402, avoids alignment jig 401 to be driven by second lead screw 402 through guide bar 404 and produces the rotation, prevents that dwang 7 from shifting out and rotates groove 6, and leads through the removal of guide bar 404 to alignment jig 401, the deviation generated by the movement of the adjusting frame 401 is avoided, one side of the sliding frame 4, which is close to the first rotating roller 2, is rotatably connected with a second rotating roller 5, two ends of the sliding frame 4, which are close to the second rotating roller 5, are provided with rotating grooves 6, one side of the second rotating roller 5, which is close to the rotating grooves 6, is fixedly provided with rotating rods 7, two sides of the frame 1, which are close to the sliding frame 4, are provided with sliding grooves 8, the sliding grooves 8 and the sliding blocks 9 are in a T shape, and the sliding grooves 8 and the sliding blocks 9 form a sliding structure, when the sliding frame 4 is driven by the first lead screw 12 to move up and down, the sliding frame 4 drives the sliding blocks 9 at two sides to move inside the sliding grooves 8, and the sliding structure;

the sliding block 9 is fixed on one side, close to the sliding groove 8, of the sliding frame 4, a bearing 10 is installed in the middle of the top end of the rack 1, a rotating block 11 penetrates through the inner side of the bearing 10, a first lead screw 12 is fixedly connected to the middle of the top end of the sliding frame 4, the first lead screw 12 and the rotating block 11 form a threaded structure, the rotating block 11 is I-shaped, the outer diameters of two ends of the rotating block 11 are larger than the inner diameter of the bearing 10, the rotating block 11 is prevented from being separated from the bearing 10 through the I-shaped rotating block 11, when the rotating block 11 is driven to rotate, the rotating block 11 and the first lead screw 12 rotate relatively, the first lead screw 12 and the rotating block 11 move relatively through external threads, the rotating block 11 is convenient to drive the sliding frame 4 to move, a first gear 13 is fixed on the top of the rotating block 11, the first gear 13 is perpendicular to a second gear 15, and the first gear 13 and the second gear 15 form, drive motor 14 drives second gear 15 and rotates, makes second gear 15 drive first gear 13 through the meshing and rotates, first gear 13 and turning block 11 fixed connection, makes drive motor 14 can drive turning block 11 and rotate, drive motor 14 is installed to top one side of frame 1, one side that drive motor 14 is close to first gear 13 is fixed with second gear 15.

The working principle is as follows: when the double-roller supporting mechanism for the numerical control machine tool is used, firstly, when the distance between the first rotating roller 2 and the second rotating roller 5 needs to be adjusted, the transmission motor 14 drives the second gear 15 to rotate, the second gear 15 drives the first gear 13 to rotate through meshing, the first gear 13 is fixedly connected with the rotating block 11, the transmission motor 14 can drive the rotating block 11 to rotate, the rotating block 11 and the first lead screw 12 generate relative rotation, the first lead screw 12 and the rotating block 11 generate relative movement through external threads, the rotating block 11 can drive the sliding frame 4 to move conveniently, the sliding frame 4 drives the second rotating roller 5 to move, the adjustment precision of the second rotating roller 5 can be effectively improved through thread transmission, when the inclination state of the second rotating roller 5 needs to be finely adjusted, the vertical distance between the first rotating roller 2 and the second rotating roller 5 at two ends is measured, then, the second screw rod 402 at the end with a smaller distance is rotated, the second screw rod 402 generates relative movement with the sliding frame 4 through external threads, so that the second screw rod 402 drives the adjusting frame 401 at one side to move upwards until the vertical distance between the two ends of the first rotating roller 2 and the second rotating roller 5 is equal, when the second screw rod 402 is rotated, the adjusting frame 401 is prevented from being driven by the second screw rod 402 to rotate through the guide rod 404, the rotating rod 7 is prevented from moving out of the rotating groove 6, and the movement of the adjusting frame 401 is guided through the guide rod 404, so that the movement of the adjusting frame 401 is prevented from being deviated.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a two roller supporting mechanism for digit control machine tool, includes frame (1) and slider (9), its characterized in that: the inner side of the frame (1) is rotatably connected with a first rotating roller (2), one side of the frame (1) close to the bottom is provided with a speed reducing motor (3), the speed reducing motor (3) is fixedly connected with the first rotating roller (2), wherein,

a sliding frame (4) is arranged at the top, close to the first rotating roller (2), of the rack (1), one side, close to the first rotating roller (2), of the sliding frame (4) is rotatably connected with a second rotating roller (5), rotating grooves (6) are formed in two ends, close to the second rotating roller (5), of the sliding frame (4), a rotating rod (7) is fixed on one side, close to the rotating grooves (6), of the second rotating roller (5), and sliding grooves (8) are formed in two sides, close to the sliding frame (4), of the rack (1);

slider (9) are fixed in one side that carriage (4) is close to spout (8), the top mid-mounting of frame (1) has bearing (10), the inboard of bearing (10) runs through has turning block (11), the first lead screw of top middle part fixedly connected with (12) of carriage (4), the top of turning block (11) is fixed with first gear (13), driving motor (14) are installed to top one side of frame (1), one side that driving motor (14) are close to first gear (13) is fixed with second gear (15).

2. The twin roll supporting mechanism for the numerical control machine tool as claimed in claim 1, wherein: carriage (4) include alignment jig (401), second lead screw (402), guide way (403) and guide bar (404), the bottom both sides of carriage (4) are passed through alignment jig (401) and are rotated with second live-rollers (5) and be connected, the top middle part of alignment jig (401) is rotated and is connected with second lead screw (402), inside that second lead screw (402) run through carriage (4) extends to the top, guide way (403) have been seted up to carriage (4) both sides that are close to alignment jig (401), one side that alignment jig (401) are close to guide way (403) is fixed with guide bar (404).

3. The twin roll supporting mechanism for the numerical control machine tool as claimed in claim 2, wherein: the guide rods (404) are cylindrical, the guide rods (404) are symmetrically distributed around the middle of the adjusting frame (401), and the vertical distance from the guide rods (404) to the top of the guide groove (403) is larger than that from the adjusting frame (401) to the sliding frame (4).

4. The twin roll supporting mechanism for the numerical control machine tool as claimed in claim 1, wherein: the sliding groove (8) and the sliding block (9) are T-shaped, and the sliding groove (8) and the sliding block (9) form a sliding structure.

5. The twin roll supporting mechanism for the numerical control machine tool as claimed in claim 1, wherein: the first screw rod (12) and the rotating block (11) form a thread structure, the rotating block (11) is I-shaped, and the outer diameters of the two ends of the rotating block (11) are larger than the inner diameter of the bearing (10).

6. The twin roll supporting mechanism for the numerical control machine tool as claimed in claim 1, wherein: the first gear (13) and the second gear (15) are perpendicular to each other, and the first gear (13) and the second gear (15) form a meshing structure.