CN210550461U

CN210550461U - Arc trimmer

Info

Publication number: CN210550461U
Application number: CN201920805536.9U
Authority: CN
Inventors: 高思帅; 陈琪; 曹光福; 李海建
Original assignee: Zhejiang Jack Machine Tool Co ltd
Current assignee: Zhejiang Jack Machine Tool Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-05-19
Anticipated expiration: 2029-05-30

Abstract

The utility model belongs to the technical field of machine tools, in particular to an arc trimmer; the diamond pen is arranged on the bow frame, the tip end of the diamond pen extends out of the bow frame, the diamond pen rotates along with the bow frame, and the bow frame is driven by the motor and the driving mechanism to rotate in a left-right reciprocating mode; the utility model discloses drive diamond pen round trip reciprocating motion by the motor, the ration of cooperation emery wheel is fed, makes diamond pen atress on the emery wheel even, guarantees that the surface finish of the machined part of the abrasive wheel machining after repairing is high.

Description

Arc trimmer

The technical field is as follows:

the utility model belongs to the technical field of the lathe, refer in particular to a circular arc trimmer.

Background art:

when processing some workpieces with non-whole spherical surfaces, a circular arc surface needs to be corrected on the grinding wheel. In the traditional dressing, a diamond pen is manually and repeatedly shifted on a grinding wheel for dressing, the defect of uneven stress exists, the grinding wheel is not quantitatively fed, and the surface finish of a machined part is finally influenced.

The invention content is as follows:

the utility model aims at providing a power that buddha's warrior attendant pen acted on the emery wheel is even, the high circular arc trimmer of degree of automation.

The utility model discloses a realize like this:

the utility model provides an arc trimmer, includes the chassis, is provided with the bottom plate in the one end on chassis, is provided with the motor on the bottom plate, and the pivot of motor is passed the bottom plate and is located between bottom plate and the chassis, has erect the support at the other end on chassis, and the upper end and the lower extreme of bow frame set up respectively on support and chassis, are connected through actuating mechanism between the pivot of bow frame and motor, are provided with the diamond pen on the bow frame, and the pointed end of diamond pen stretches out outside the bow frame, the diamond pen rotates along with the bow frame, reciprocating rotation about the bow frame passes through motor, actuating mechanism drive.

In the arc trimmer, the base plate is provided with a groove, the bottom plate cover is arranged above one end of the groove, the rotating shaft of the motor penetrates through the bottom plate and extends into one end of the groove, and the upper end of the bow frame is arranged on the upper end of the bracket and the lower end of the bow frame is arranged on the other end of the groove.

In the arc trimmer, the bottom plate is provided with a plurality of shaped holes, the long shafts of the shaped holes are arranged in parallel with the grooves, the bottom plate penetrates through the shaped holes through screws to be screwed on the chassis and fixedly connected with the chassis, and the position of the bottom plate on the chassis is adjustable.

In the arc trimmer, the upper end of the bracket and the other end of the groove are respectively provided with an upper positioning tip and a lower positioning tip, and the bow frame is rotatably connected between the bracket and the chassis through the upper positioning tip and the lower positioning tip; the upper end face and the lower end face of the bow frame are respectively provided with an upper conical hole and a lower conical hole, the tip of the upper positioning center is inserted into the upper conical hole, and the tip of the lower positioning center is inserted into the lower conical hole.

In the arc trimmer, one end of the chassis, which is provided with the motor, is provided with a baffle for blocking the opening end of the groove in the vertical direction, and the baffle is arranged on the side surface of the chassis.

In the arc trimmer, the bottom plane of the bottom plate is provided with the protrusions matched with the grooves in shape, and the protrusions are inserted into the grooves.

In the arc trimmer, the driving mechanism comprises a first belt pulley arranged on a rotating shaft of the motor and a second belt pulley arranged at the lower end of the bow frame, and the first belt pulley and the second belt pulley are in transmission connection through a belt.

In an above-mentioned circular arc trimmer, the support is including setting up left stand and right stand in the bow frame left and right sides, and the lower extreme of left stand, right stand sets firmly both ends fixed connection about on the chassis, upper end and crossbeam board, the bow frame rotates and sets up between crossbeam board and chassis.

In the above-mentioned arc trimmer, be provided with diamond pen mounting hole on the bow frame, the pointed end of diamond pen stretches out outside the front end of diamond pen mounting hole, is provided with the lug on the bow frame of diamond pen mounting hole rear end, and the lug passes through the fix with screw on the bow frame, and when the bow frame rotated about, it was spacing on left stand or right stand by the lug butt.

In the above circular arc dresser, the diamond pen is fixed to the bow frame by two radially arranged screws.

Compared with the prior art, the utility model outstanding advantage is:

1. the utility model discloses drive diamond pen round trip reciprocating motion by the motor, the ration of cooperation emery wheel is fed, makes diamond pen atress on the emery wheel even, guarantees that the surface finish of the machined part of the abrasive wheel machining after repairing is high.

2. The utility model discloses whole automatic control, degree of automation is high, has reduced the human cost, has improved the finishing precision.

Description of the drawings:

fig. 1 is one of the schematic perspective views of the present invention;

fig. 2 is a second perspective view of the present invention; a

Fig. 3 is a schematic view of the present invention with the front side facing outward;

3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 3 3; 3

FIG. 5 is a view showing the usage state of the present invention;

fig. 6 is a schematic view of the present invention mounted on a machine tool.

In the figure: 1. a motor; 2. a chassis; 3. a base plate; 4. a bow frame; 5. a diamond pen; 6. a groove; 7. a strip-shaped hole; 8. a first belt pulley; 9. a second belt pulley; 10. an upper positioning centre; 11. a lower positioning center; 12. a baffle plate; 13. a protrusion; 14. a left upright post; 15. a right upright post; 16. a beam plate; 17. a lug; 18. a sliding table; 19. and (5) grinding wheels.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 6:

for convenience of description, the utility model discloses the one end that uses motor 1 place is the rear end, and the one end at support place is the front end, and motor 1's left side is the left end, the right side is the right-hand member.

The utility model provides an arc trimmer, includes chassis 2, is provided with bottom plate 3 in the one end of chassis 2, is provided with motor 1 on bottom plate 3, and bottom plate 3 is located between bottom plate 3 and the chassis 2 is passed in motor 1's pivot, erects the support at the other end on chassis 2, and the upper end and the lower extreme of bow frame 4 set up respectively on support and chassis 2, are connected through actuating mechanism between bow frame 4 and motor 1's the pivot, are provided with diamond pen 5 on bow frame 4, and the pointed end of diamond pen 5 stretches out outside bow frame 4, diamond pen 5 rotates along with bow frame 4, reciprocating rotation about bow frame 4 passes through motor 1, actuating mechanism drives.

Further, be provided with recess 6 on the chassis 2, the top at recess 6 one end is established to bottom plate 3 lid, and the pivot of motor 1 passes in bottom plate 3 stretches into the one end of recess 6, and the upper end setting of bow rack 4 is in the other end of recess 6 at the upper and lower end setting of support. The arrangement of the groove 6 can reduce the overall height, so that the overall structure is more stable.

In order to adjust the position of the motor 1 conveniently, a plurality of shaped holes 7 are formed in the bottom plate 3, long axes of the shaped holes 7 are arranged in parallel with the grooves 6, the bottom plate 3 penetrates through the shaped holes 7 through screws and is fixedly connected with the chassis 2, and the position of the bottom plate 3 on the chassis 2 is adjustable.

Actuating mechanism be belt drive mechanism, including setting up at the epaxial belt pulley of motor 1 one 8 and setting up two 9 belt pulleys at the lower extreme of bow rack 4, belt pulley one 8 is connected through belt drive with two 9 belt pulleys. The position of the first belt pulley 8 can be adjusted by adjusting the position of the motor 1, so that the tensioning of the synchronous belt can be realized. The drive mechanism may also be replaced with a chain drive mechanism, a gear drive mechanism, or the like.

The utility model discloses a motor 1 is servo motor, and servo motor is connected with the controller, by the turned angle and the direction of rotation of controller control servo motor's pivot, controls the turned angle of bow frame 4 at last.

As shown in fig. 4, the upper end of the bracket and the other end of the groove 6 are respectively provided with an upper positioning tip 10 and a lower positioning tip 11, and the bow frame 4 is rotatably connected between the bracket and the chassis 2 through the upper positioning tip 10 and the lower positioning tip 11; the upper end face and the lower end face of the bow frame 4 are respectively provided with an upper conical hole and a lower conical hole, the tip of the upper positioning centre 10 is inserted into the upper conical hole, and the tip of the lower positioning centre 11 is inserted into the lower conical hole. An upper positioning centre 10 and a lower positioning centre 11 are respectively fixed on the bracket and the chassis 2. The upper positioning center 10, the upper conical hole, the lower positioning center 11 and the lower conical hole can flexibly rotate, and meanwhile, the position relation between the bow frame and the upper positioning center 10 and between the bow frame and the lower positioning center 11 can be automatically adjusted, so that the appearance of blocking is prevented, and the machining precision requirement and the assembly requirement are reduced.

Of course, the upper and lower ends of the bow 4 may also be rotatably arranged on the bracket and the chassis 2 through bearings.

The one end that is provided with motor 1 on chassis 2 is provided with the baffle 12 of the open end of the vertical direction of shutoff recess 6, and baffle 12 passes through the fix with screw on the side on chassis 2. The baffle 12 can prevent sundries from entering the groove 6 from the opening end of the groove 6 to influence the normal operation of the motor 1.

In order to realize the positioning of the bottom plate 3 in the left-right direction, the bottom plane of the bottom plate 3 is provided with a protrusion 13 matched with the shape of the groove 6, and the protrusion 13 is inserted in the groove 6.

Further, the support includes left stand 14 and right stand 15 that sets up in the bow 4 left and right sides, and the lower extreme of left stand 14, right stand 15 sets firmly on chassis 2, the upper end and the both ends fixed connection about crossbeam board 16, bow 4 rotates and sets up between crossbeam board 16 and chassis 2. Correspondingly, the upper locating tip 11 is fixedly arranged on the cross beam plate 16.

The utility model discloses a buddha's warrior attendant pen 5's mounting structure as follows: be provided with buddha's warrior attendant pen mounting hole on the bow rack 4, the pointed end of buddha's attendant pen 5 stretches out outside the front end of buddha's attendant pen mounting hole, is provided with lug 17 on the bow rack 4 of buddha's attendant pen mounting hole rear end, and the rear end of buddha's attendant pen 5 stretches into in the lug 17. The diamond pen 5 is fixed to the bow 4 by two radially arranged screws. The lug 17 is fixed on the bow frame 4 through a screw, and when the bow frame 4 rotates left and right, the lug 17 abuts against the left upright post 14 or the right upright post 15 for limiting. Therefore, the left upright 14 or the right upright 15 has a position-limiting effect in addition to the supporting effect.

In order to improve the stability of the installation, the surface of the bow 4 on which the lug 17 is installed is required to be a plane.

Due to the inertia during rotation, the bow 4 can be ensured to rotate within a specified angle range through the limiting action between the lug 17 and the left upright post 14 or the right upright post 15.

The utility model discloses a theory of operation:

the utility model discloses what need to maintain is an arc surface, and what correspond to need to process is a part of spherical surface (the surface behind the truncation of spheroidal both ends, like the epaxial spheroid part of sewing machine owner).

The utility model discloses a chassis 2 is fixed on the slip table 18 of lathe. The diamond pen 5 is arranged towards the grinding wheel 19, i.e. the grinding wheel 19 is located on the front side of the diamond pen 5. After the grinding wheel 19 is fed to a certain position each time, the controller controls the motor 1 to work, and drives the diamond pen 5 to rotate back and forth within the range of 170 degrees.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An arc trimmer, its characterized in that: including chassis (2), be provided with bottom plate (3) in the one end on chassis (2), be provided with motor (1) on bottom plate (3), the pivot of motor (1) is passed bottom plate (3) and is located between bottom plate (3) and chassis (2), another end frame on chassis (2) is equipped with the support, the upper end and the lower extreme of bow frame (4) set up respectively on support and chassis (2), be connected through actuating mechanism between the pivot of bow frame (4) and motor (1), be provided with diamond pen (5) on bow frame (4), and the pointed end of diamond pen (5) stretches out outside bow frame (4), diamond pen (5) rotate along with bow frame (4), reciprocal rotation about bow frame (4) pass through motor (1), actuating mechanism drive.

2. The arc trimmer of claim 1, wherein: a groove (6) is formed in the base plate (2), the bottom plate (3) is covered above one end of the groove (6), a rotating shaft of the motor (1) penetrates through the bottom plate (3) to stretch into one end of the groove (6), and the upper end of the bow frame (4) is arranged on the support, and the lower end of the bow frame is arranged at the other end of the groove (6).

3. The arc trimmer of claim 2, wherein: the base plate (3) is provided with a plurality of strip-shaped holes (7), the long shafts of the strip-shaped holes (7) are parallel to the grooves (6), the base plate (3) penetrates through the strip-shaped holes (7) through screws and is in threaded connection with the base plate (2) on the base plate (2), and the position of the base plate (3) on the base plate (2) is adjustable.

4. The arc trimmer of claim 2, wherein: the upper end of the bracket and the other end of the groove (6) are respectively provided with an upper positioning tip (10) and a lower positioning tip (11), and the bow frame (4) is rotatably connected between the bracket and the chassis (2) through the upper positioning tip (10) and the lower positioning tip (11); the upper end face and the lower end face of the bow frame (4) are respectively provided with an upper conical hole and a lower conical hole, the tip of the upper positioning center (10) is inserted into the upper conical hole, and the tip of the lower positioning center (11) is inserted into the lower conical hole.

5. The arc trimmer of claim 2, wherein: one end of the chassis (2) provided with the motor (1) is provided with a baffle (12) for blocking the opening end of the groove (6) in the vertical direction, and the baffle (12) is arranged on the side surface of the chassis (2).

6. The arc trimmer of claim 2, wherein: the bottom plane of the bottom plate (3) is provided with a bulge (13) matched with the shape of the groove (6), and the bulge (13) is inserted in the groove (6).

7. An arc trimmer according to any of the claims 1-6, characterized in that: the driving mechanism comprises a first belt pulley (8) arranged on a rotating shaft of the motor (1) and a second belt pulley (9) arranged at the lower end of the bow frame (4), and the first belt pulley (8) is in transmission connection with the second belt pulley (9) through a belt.

8. The arc trimmer of claim 1, wherein: the support is including setting up left stand (14) and right stand (15) in bow (4) left and right sides, and the lower extreme of left stand (14), right stand (15) sets firmly both ends fixed connection about chassis (2) upper end and crossbeam board (16), bow (4) rotate and set up between crossbeam board (16) and chassis (2).

9. The arc trimmer of claim 1, wherein: be provided with diamond pen mounting hole on bow (4), the pointed end of diamond pen (5) stretches out outside the front end of diamond pen mounting hole, is provided with lug (17) on bow (4) of diamond pen mounting hole rear end, and lug (17) pass through the fix with screw on bow (4), and when bow (4) left and right sides rotated, spacing on left stand (14) or right stand (15) is gone up by lug (17) butt.

10. The arc trimmer of claim 1 or 9, wherein: the diamond pen (5) is fixed on the bow frame (4) through two screws arranged in the radial direction.