CN215035438U

CN215035438U - Cutter positioning mechanism

Info

Publication number: CN215035438U
Application number: CN202121476148.4U
Authority: CN
Inventors: 席海峰
Original assignee: Changhe Industry Technology Tianjin Co ltd
Current assignee: Changhe Industry Technology Tianjin Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-07
Anticipated expiration: 2031-06-29

Abstract

The utility model provides a cutter positioning mechanism, which belongs to the technical field of numerical control lathe equipment and comprises a cross beam, wherein a pair of limiting plates are arranged on the lower surface of the cross beam along the length direction, a T-shaped plate is connected between the limiting plates in a sliding way, a sliding chute is arranged on the T-shaped plate, a sliding rod is connected in the sliding chute, a transmission device is connected between the cross beam, the T-shaped plate and the sliding rod, an L-shaped mounting plate is fixedly arranged on the lower surface of the sliding rod through bolts, a double-shaft cylinder is fixedly arranged on the L-shaped mounting plate through bolts, a U-shaped mounting plate is arranged on the output end of the double-shaft cylinder, a rotating hole and a mounting seat are arranged on the U-shaped mounting plate, a fixing piece is rotatably connected in the rotating hole, a driving motor is arranged in the mounting seat, the mounting head is screwed downwards on a connecting table, three groups of clamping blocks are mutually extruded, so as to fix a cutter, when the mounting head is screwed upwards away from the connecting table, the fixed cutter is loosened through the elastic force reset by the second spring between the three groups of clamping blocks, so that the cutter can be quickly replaced conveniently.

Description

Cutter positioning mechanism

Technical Field

The utility model belongs to a numerical control lathe equipment technical field, concretely relates to cutter positioning mechanism.

Background

Machining is a process of changing the physical dimensions or properties of a workpiece by a machining machine. Cold working and hot working are classified according to the temperature state of the workpiece to be machined. In general, working at normal temperature does not cause chemical change or phase change of a work, and is called cold working, and cold working is classified into cutting working and press working according to the difference in working modes. The cutting work described here is to cut a workpiece with a specific tool to form a specific shape. In the cutting process, the control of the cutter becomes the key point of the processing technology, and if the cutter is not accurately positioned, position errors are easily generated between the cutter and a casting, so that the qualified rate is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutter positioning mechanism aims at the problem that can be among the effectual solution prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cutter positioning mechanism comprises a cross beam, wherein a pair of limiting plates are installed on the lower surface of the cross beam along the length direction, a T-shaped plate is connected between the limiting plates in a sliding mode, a sliding groove is formed in the T-shaped plate, a sliding rod is connected in the sliding groove in a sliding mode, a transmission device is connected between the cross beam, the T-shaped plate and the sliding rod, an L-shaped mounting plate is installed on the lower surface of the sliding rod through bolt fixing, a double-shaft air cylinder is installed on the L-shaped mounting plate through bolt fixing, a U-shaped mounting plate is fixedly installed at the output end of the double-shaft air cylinder, a rotating hole and a mounting seat are formed in the U-shaped mounting plate, a fixing piece is connected in the rotating hole in a rotating mode, a driving motor is installed in the mounting seat, a cutter is installed in the fixing piece, and when the rotating motors on the two sides drive a rotating wheel to coaxially move reversely through a second belt, the first belt located on one side of the fixing seat is shortened, the sliding rod moves towards the end of the second driven rotating shaft, the cutter is driven to move in the Y-axis direction, when the rotating motors on the two sides drive the rotating wheels to move coaxially in the same direction at different speeds through the second belt, the T-shaped plate moves towards one side with high speed, the cutter is driven to move in the X-axis direction, the U-shaped mounting plate is driven to move up and down through the arranged double-shaft cylinder, the cutter moves in the Z-axis direction, and the casting position is determined by the cutter through X-Y-Z three-axis movement, so that the requirement for accurate positioning is met.

As an optimization of the utility model, the one end of slide bar is opened there is the opening, the lower surface of opening and the lower surface of T template are located same horizontal plane, a pair of fixing base is installed to the both sides of the slide bar other end.

As an optimization, transmission is including a pair of main shaft that is located the crossbeam both ends, the second driven rotating shaft that is located four first driven rotating shafts on the T template and is located the opening, and is a pair of main shaft, four equal coaxial cover is equipped with band pulley, one side in first driven rotating shaft and the second driven rotating shaft the fixing base in-connection has first belt, a pair ofly is walked around in proper order to the other end of first belt main shaft, four in the fixing base of first driven rotating shaft and second driven rotating shaft to opposite side.

As an optimization, be located equal fixed mounting on the crossbeam of a pair of main shaft one side and have the rotation motor, it is a pair of equal coaxial cover is equipped with driving pulley on the output of rotation motor, is located coaxial being fixed with the runner on the main shaft of band pulley below, be connected through second belt drive between driving pulley and the runner.

As a preferred, the mounting includes the shell, the upper end coaxial arrangement of shell has the driven motor wheel, coaxial arrangement has the driving motor wheel on driving motor's the output, be connected through the motor chain transmission between driven motor wheel and the driving motor wheel.

As an optimization, the mounting is still including installing the head, the one end that the shell is close to the installation head is provided with connects the platform, install the head and be connected between the platform through threaded connection together, it has the mounting groove to connect the bench internal division, be provided with the holder in the mounting groove, the cutter takes shape in the holder.

As an optimization, the holder includes the vertical scroll, the cover is equipped with first spring on the vertical scroll, the disc is installed to the vertical scroll is close to the one end of installing the head, be provided with three grip blocks of group, three groups on the disc be connected with the second spring between the grip block.

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

1. the utility model discloses a start a pair of rotation motor, when the rotation motor of both sides drives the runner through the second belt and is coaxial reverse motion, the first belt that is located fixing base one side shortens, make the slide bar move to the driven runner end of second, it carries out the position removal of Y axle direction to drive the cutter, when the rotation motor of both sides drives the runner through the second belt and is coaxial syntropy not equidistance's motion, make the T template move to one side that is fast, thereby it carries out the position removal of X axle direction to drive the cutter, it reciprocates to drive U type mounting panel through the biax cylinder that sets up, thereby make the cutter carry out the removal of Z axle direction, the foundry goods position is confirmed through X-Y-Z triaxial removal to the cutter, thereby satisfy the demand of accurate location.

2. The utility model discloses an installation head is screwed downwards when connecting the bench, extrudees each other between the grip block of three groups to fix the cutter, when the installation head upwards revolves from connecting the bench, loosen the cutter of fixing, the quick replacement cutter of being convenient for through the elasticity that the second spring resets between the grip block of three groups.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

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

FIG. 4 is a schematic view of the mounting structure inside the fixing member of the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

In the figure: 1. a cross beam; 2. a limiting plate; 3. a T-shaped plate; 301. a chute; 4. a slide bar; 401. opening the gap; 402. a fixed seat; 5. a transmission device; 501. a main shaft; 502. a first driven rotating shaft; 503. a second driven rotating shaft; 504. a pulley; 505. a first belt; 506. rotating the motor; 507. a driving pulley; 508. a second belt; 509. a rotating wheel; 6. an L-shaped mounting plate; 7. a double-shaft cylinder; 8. a U-shaped mounting plate; 801. rotating the hole; 802. a mounting seat; 9. a fixing member; 901. a housing; 902. a slave motor wheel; 903. an active motor wheel; 904. a mounting head; 905. a connecting table; 9051. mounting grooves; 906. a clamping member; 9061. a vertical shaft; 9062. a first spring; 9063. a disc; 9064. a clamping block; 9065. a second spring; 10. a drive motor; 11. and (4) a cutter.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional 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 being 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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a cutter positioning mechanism comprises a cross beam 1, wherein two sides of the cross beam 1 along the length direction can be externally connected with vertical supporting legs for supporting, the height between the cross beam 1 and the ground is raised, a moving space is provided for a cutter 11 to process a casting, a pair of limiting plates 2 are arranged on the lower surface of the cross beam 1 along the length direction, a T-shaped plate 3 is connected between the pair of limiting plates 2 in a sliding manner, a dovetail-shaped sliding groove is formed between the pair of limiting plates 2, the contact surface of the T-shaped plate 3 and the dovetail-shaped sliding groove is in an inclined shape matched with the contact surface to prevent falling off, a sliding groove 301 is formed in the T-shaped plate 3, a sliding rod 4 is connected in the sliding groove 301, a transmission device 5 is connected between the cross beam 1 and the T-shaped plate 3 and the sliding rod 4, the T-shaped plate 3 can be driven to move on the cross beam 1 along the dovetail-shaped sliding groove in the x-axis direction through the transmission device 5, but also can drive slide bar 4 and carry out the removal of Y axle direction in spout 301, increase cutter 11's moving range, there is L type mounting panel 6 slide bar 4 lower surface through bolt fixed mounting, there is biax cylinder 7 through bolt fixed mounting on L type mounting panel 6, fixed mounting has U type mounting panel 8 on the output of biax cylinder 7, it reciprocates to drive U type mounting panel 8 through the biax cylinder 7 that sets up, thereby make cutter 11 carry out the removal of z axle direction, it has rotation hole 801 and mount pad 802 to open on the U type mounting panel 8, the rotation in the rotation hole 801 is connected with mounting 9, install driving motor 10 in the mount pad 802, install cutter 11 in the mounting 9, play the effect of quick replacement cutter 11.

Specifically, in order to make the transmission structure operate smoothly and ensure that the sliding rod 4 can slide smoothly in the sliding groove 301, a notch 401 is formed at one end of the sliding rod 4, so that the lower surface of the notch 401 and the lower surface of the T-shaped plate 3 are located on the same horizontal plane, and a pair of fixing seats 402 are installed on two sides of the other end of the sliding rod 4 to fix the first belt 505 and make the first belt 505 become a closed belt loop.

Specifically, the transmission device 5 includes a pair of main shafts 501 located at two ends of the cross beam 1, four first driven rotating shafts 502 located on the T-shaped plate 3, and a second driven rotating shaft 503 located at the notch 401, the four first driven rotating shafts 502 are located at four corners of the T-shaped plate 3, the pair of main shafts 501, the four first driven rotating shafts 502, and the second driven rotating shaft 503 are coaxially sleeved with pulleys 504, a first belt 505 is connected in the fixing base 402 on one side, the other end of the first belt 505 sequentially bypasses the pair of main shafts 501, the four first driven rotating shafts 502, and the second driven rotating shaft 503 to the fixing base 402 on the other side, at this time, the first belt 505 is in a cross-closed shape and is in contact with each pulley 504, so that the requirement for movement can be met by left-right stretching of the first belt 505.

Specifically, all fixed mounting has the rotation motor 506 on the crossbeam 1 that is located one side of a pair of main shafts 501, it is equipped with driving pulley 507 all to overlap coaxially on the output of a pair of rotation motor 506, be located coaxial fixed with runner 509 on the main shaft 501 of band pulley 504 below, be connected through the transmission of second belt 508 between driving pulley 507 and the runner 509, when the rotation motor 506 of both sides drives runner 509 through second belt 508 and makes coaxial reverse motion, first belt 505 that is located fixing base 402 one side shortens, make slide bar 4 to the removal of second driven rotating shaft 503 end, when the rotation motor 506 of both sides drives runner 509 through second belt 508 and makes coaxial syntropy not equidistance's motion, make T type board 3 move to the one side that the speed is fast.

Specifically, the fixed part 9 includes a housing 901, a driven motor wheel 902 is coaxially mounted at the upper end of the housing 901, an active motor wheel 903 is coaxially mounted at the output end of the driving motor 10, the driven motor wheel 902 is in transmission connection with the active motor wheel 903 through a motor chain, and by starting the driving motor 10, the output end of the driving motor 10 drives the active motor wheel 903 to rotate, and since the driven motor wheel 902 is in transmission connection with the active motor wheel 903 through the motor chain, the housing 901 is driven to rotate, so as to provide power for processing the cutter 11.

Specifically, the fixing member 9 further includes a mounting head 904, the mounting head 904 is shaped like a funnel with a large top and a small bottom, a connecting platform 905 is arranged at one end of the casing 901 close to the mounting head 904, the mounting head 904 is connected with the connecting platform 905 through a larger opening end, a mounting groove 9051 is formed in the connecting platform 905, the mounting groove 9051 is stepped with a large bottom and a small top, a clamping member 906 is arranged in the mounting groove 9051, and the cutter 11 is formed in the clamping member 906.

Specifically, the clamping member 906 includes a vertical shaft 9061, the bottom of the vertical shaft 9061 is located at the bottom of a large-diameter section in the mounting groove 9051, a first spring 9062 is sleeved on the vertical shaft 9061, the lower end of the first spring 9062 is fixed to the bottom of a small-diameter section in the mounting groove 9051, a disc 9063 is mounted at one end, close to the mounting head 904, of the vertical shaft 9061, three groups of clamping blocks 9064 are arranged on the disc 9063, a second spring 9065 is connected between the three groups of clamping blocks 9064, when the mounting head 904 is screwed down on the connecting table 905, the three groups of clamping blocks 9064 are mutually pressed, so that the cutter 11 is fixed, when the mounting head 904 is screwed up off the connecting table 905, the cutter 11 fixed between the three groups of clamping blocks 9064 is loosened through the elastic force restored by the second spring 9065, and the cutter 11 is convenient to rapidly replace.

The utility model discloses a theory of operation and use flow:

when positioning is carried out, a pair of rotating motors 506 is started, when the rotating motors 506 on two sides drive the rotating wheel 509 to coaxially and reversely move through the second belt 508, the first belt 505 on one side of the fixed seat 402 is shortened, the slide rod 4 moves towards the end of the second driven rotating shaft 503 to drive the cutter 11 to move in the Y-axis direction, when the rotating motors 506 on two sides drive the rotating wheel 509 to coaxially move in the same direction and at different speeds through the second belt 508, the T-shaped plate 3 moves towards one side with a high speed to drive the cutter 11 to move in the X-axis direction, and the U-shaped mounting plate 8 is driven to move up and down through the arranged double-shaft air cylinder 7, so that the cutter 11 moves in the z-axis direction;

when the mounting head 904 is screwed down on the connecting platform 905 during replacement, the three groups of clamping blocks 9064 are mutually pressed, so that the cutter 11 is fixed, and when the mounting head 904 is screwed upwards off the connecting platform 905, the fixed cutter 11 is loosened between the three groups of clamping blocks 9064 through the elastic force reset by the second spring 9065, so that the cutter 11 can be replaced quickly.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. A cutter positioning mechanism, includes crossbeam (1), its characterized in that: the lower surface of the cross beam (1) is provided with a pair of limiting plates (2) along the length direction, the limiting plates (2) are connected in a sliding manner to form a T-shaped plate (3), the T-shaped plate (3) is provided with a sliding groove (301), the sliding groove (301) is internally provided with a sliding rod (4), a transmission device (5) is connected between the cross beam (1), the T-shaped plate (3) and the sliding rod (4), the lower surface of the sliding rod (4) is provided with an L-shaped mounting plate (6) through a bolt, the L-shaped mounting plate (6) is provided with a double-shaft cylinder (7) through a bolt, the output end of the double-shaft cylinder (7) is fixedly provided with a U-shaped mounting plate (8), the U-shaped mounting plate (8) is provided with a rotating hole (801) and a mounting seat (802), the rotating hole (801) is connected with a fixing piece (9) in a rotating manner, and a driving motor (10) is installed in the mounting seat (802), and a cutter (11) is arranged in the fixing piece (9).

2. A tool positioning mechanism according to claim 1, wherein: one end of the sliding rod (4) is provided with a notch (401), the lower surface of the notch (401) and the lower surface of the T-shaped plate (3) are located on the same horizontal plane, and a pair of fixing seats (402) are mounted on two sides of the other end of the sliding rod (4).

3. A tool positioning mechanism according to claim 2, wherein: transmission (5) are including a pair of main shaft (501) that is located crossbeam (1) both ends, four first driven rotating shaft (502) that are located on T template (3) and second driven rotating shaft (503) that are located opening (401) department, and is a pair of main shaft (501), four equal coaxial cover is equipped with band pulley (504), one side on first driven rotating shaft (502) and second driven rotating shaft (503) fixing base (402) in-connection has first belt (505), the other end of first belt (505) is walked around in proper order a pair ofly main shaft (501), four in first driven rotating shaft (502) and second driven rotating shaft (503) fixing base (402) to the opposite side.

4. A tool positioning mechanism according to claim 3, wherein: be located equal fixed mounting on crossbeam (1) of a pair of main shaft (501) one side and have rotation motor (506), it is a pair of equal coaxial cover is equipped with driving pulley (507) on the output of rotation motor (506), is located coaxial being fixed with runner (509) on main shaft (501) of band pulley (504) below, be connected through second belt (508) transmission between driving pulley (507) and runner (509).

5. A tool positioning mechanism according to claim 1, wherein: the fixed part (9) comprises a shell (901), a driven motor wheel (902) is coaxially installed at the upper end of the shell (901), an active motor wheel (903) is coaxially installed at the output end of the driving motor (10), and the driven motor wheel (902) is in transmission connection with the active motor wheel (903) through a motor chain.

6. A tool positioning mechanism according to claim 5, wherein: the fixing piece (9) further comprises a mounting head (904), a connecting table (905) is arranged at one end, close to the mounting head (904), of the shell (901), the mounting head (904) is connected with the connecting table (905) through threads, a mounting groove (9051) is formed in the connecting table (905), a clamping piece (906) is arranged in the mounting groove (9051), and the cutter (11) is formed in the clamping piece (906).

7. A tool positioning mechanism according to claim 6, wherein: the clamping piece (906) comprises a vertical shaft (9061), and a first spring (9062) is sleeved on the vertical shaft (9061).

8. A tool positioning mechanism according to claim 7, wherein: a disc (9063) is mounted at one end, close to the mounting head (904), of the vertical shaft (9061), three groups of clamping blocks (9064) are arranged on the disc (9063), and a second spring (9065) is connected between the three groups of clamping blocks (9064).