CN107866722A - A New Knife Shank Grinding and Polishing Machine - Google Patents

Abstract

The invention provides a novel knife handle grinding and polishing machine which comprises a control system, a machine base, a knife clamping table, a two-dimensional electric displacement platform, a spindle box and an abrasive belt grinding mechanism. The tool clamping table is positioned between the driving abrasive belt wheel and the driven abrasive belt wheel, and the abrasive belt can apply pressure to the tool shank and deform through the structure, so that the contact area of the abrasive belt and the tool shank is enlarged.

Description

A New Knife Shank Grinding and Polishing Machine

technical field

The invention relates to a novel tool handle grinding and polishing machine.

Background technique

In order to improve the grinding efficiency of the tool handle, the Chinese patent number (2017203501877) discloses a tool handle polishing machine, as shown in Figure 1 to Figure 3, including a control system, a machine base 1', used to clamp the tool along the XY direction The tool clamping platform 2' that is movable and rotatable around the Y direction, the tool mold clamping platform 3' that is used to clamp the tool mold and can move along the XY direction and rotate around the Y direction, is electrically connected with the control system and A two-dimensional electric displacement platform 4' for adjusting the position of the tool clamping platform and the tool mold clamping platform in the XY direction, and a spindle for driving the tool clamping platform and the tool mold clamping platform to rotate around the Y direction Box 5', an abrasive belt grinding mechanism 6' for polishing the handle on the tool clamping table and movable in the Z direction, electrically connected to the control system and used for adjusting the abrasive belt grinding in the Z direction The electric lifting platform at the position of the mechanism, the profiling device 7' that is electrically connected with the control system and used for profiling the tool handle on the tool mold clamping platform, and the two-dimensional electric displacement platform is installed on the machine On the seat, the two-dimensional electric displacement platform includes a slide plate that can move along the XY direction, the headstock is installed on the slide plate, the electric lifting table is installed on the base, and the electric lifting table includes a movable A slide table that moves along the Z direction, the abrasive belt grinding mechanism is installed on the slide table, the spindle box includes a box body, a servo motor electrically connected to the control system, and a motor that engages with the output end of the servo motor A rack, a first gear and a second gear meshed with the rack, and two rotating shafts that are statically coupled with the first gear and the second gear respectively and rotate around the Y direction, and the two rotating shafts pass through Pass through the box body and be installed in the box body, the two rotating shafts are respectively statically coupled with the tool clamping table and the tool mold clamping table to drive their rotation, and the profiling device is installed on On the base, the profiling device 7' includes a frame 71', a linear displacement sensor 72' installed on the frame 1' perpendicular to the horizontal plane and electrically connected to the control system, a profiling touch roller 73' and the profiling touch roller support frame 74' rollingly coupled with the profiling touch roller 73', the linear displacement sensor 72' includes a pull rod 721', and the pull rod 721' is connected with the profiling touch roller support frame 74' connection, the profiling touch roller 73' is a magnetic profiling touch roller, the profiling touch roller 73' is located directly above the tool mold clamping platform 3', and the abrasive belt grinding mechanism includes an abrasive Belt grinding mounting plate, motor installed on the abrasive belt grinding mounting plate, driving wheel installed on the output end of the motor, driven wheel installed on the abrasive belt grinding mounting plate and sleeved on the driving wheel and the driven wheel The abrasive belt between the driving wheels, the driven wheel is located directly above the tool clamping table. The tool clamping platform 2' includes an L-shaped plate 21', a clamping block 22' that cooperates with the wall of the L-shaped plate 21' to clamp the tool head to fix the tool handle, a wedge mechanism 23', and an air cylinder 24 ', the wedge mechanism includes a slider 231' and a wedge 232' matched with the slider, the slider 231' is installed on the piston rod of the cylinder 24', and the wedge 232' is installed on the clamp on block 22'. The tool mold clamping platform 3 includes an L-shaped plate 21', a clamping block 22' cooperating with the plate wall of the L-shaped plate for clamping the cutter head to fix the knife handle, a wedge mechanism and a cylinder 24', the The wedge mechanism 23' includes a slider 231' and a wedge 232' matched with the slider, the slider 231' is installed on the piston rod of the cylinder 24', and the wedge 232' is installed on the clamping block 22 'superior.

The disadvantage is that the contact between the abrasive belt of this structure and the knife handle is a line contact, resulting in less grinding area and low efficiency. In addition, the spindle box adjusts the rotation angle of the tool clamping table through the rack and pinion mechanism, thereby adjusting the angle of the tool handle. This rack and pinion mechanism locks the tool handle and does not move, so that the abrasive belt polishes the tool handle. Because the rack and pinion realizes locking The functional stability is poor, and the handle is prone to shift during the polishing process of the handle, resulting in low polishing accuracy.

Contents of the invention

The object of the invention proposes a novel tool handle grinding and polishing machine in order to solve the above problems.

Achieve the above-mentioned purpose through the following technical solutions:

The invention provides a new type of tool handle grinding and polishing machine, which includes a control system, a machine base, a tool clamping platform, a two-dimensional electric displacement platform, a spindle box, and an abrasive belt grinding mechanism. The abrasive belt grinding mechanism includes a The belt wheel bracket on the machine base, the driving belt wheel fixed on the belt wheel bracket, the driving belt wheel driver fixed on the belt wheel bracket, the driven belt wheel fixed on the belt wheel bracket and An abrasive belt cooperating with the driving abrasive belt wheel and the driven abrasive belt wheel, the tool clamping table is located between the driving abrasive belt wheel and the driven abrasive belt wheel.

Further, the driving grinding wheel and the driven grinding wheel are arranged on the same horizontal line, or on the same vertical line, or on the same inclined line.

Further, it also includes a profiling device electrically connected to the control system, and a tool mold mounting table connected to the headstock in transmission.

Further, the tool clamping table is located in the middle of the driving abrasive wheel and the driven abrasive wheel.

Further, the abrasive belt grinding mechanism also includes a cooling pipe fixed on the abrasive wheel support. The cooling pipe is provided with a nozzle, and the nozzle sprays onto the abrasive belt.

Further, the headstock includes a box body, a servo motor installed in the box body and electrically connected to the control system, and a bevel gear transmission mechanism installed in the box body, and the bevel gear transmission mechanism includes a The first driving bevel gear at the output end of the servo motor, and the first driven bevel gear that is rotatably connected to the box and meshed with the first driving bevel gear, the axle of the first driven bevel gear passes through The box body is fixedly connected with the tool clamping table.

The beneficial effects of the present invention are: 1. The tool clamping table is located between the driving abrasive belt wheel and the driven abrasive belt wheel, and through this structure, the abrasive belt can exert pressure on the tool handle and deform, so that the abrasive belt and the driven abrasive belt can be deformed. The contact area of the knife handle becomes larger. Compared with the prior art, the contact between the abrasive belt and the knife handle changes from line contact to surface contact, which greatly improves the polishing efficiency. 2. The profiling device is used to profile the contour of the tool handle, and the data obtained after profiling is input to the control system. The control system controls the spindle box and the two-dimensional electric displacement platform through the data, and realizes the fully automatic tool handle. Polishing, greatly improving the polishing efficiency. 3. The cooling pipe sprays cooling water on the abrasive belt, which can cool down the abrasive belt and remove the grinding and polishing residue on the abrasive belt. 4. The bevel gear transmission mechanism is adopted. Compared with the existing technology, when locking and adjusting the angle of the tool handle, the stability and precision are high, and the offset of the tool handle is very small, which improves the polishing accuracy.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the prior art;

Fig. 2 is a structural schematic diagram of a tool clamping table in the prior art;

Fig. 3 is the structural schematic diagram of profiling device of prior art;

Fig. 4 is a schematic structural diagram of a first embodiment of the present invention;

Fig. 5 is a schematic diagram of the structural positions of the tool clamping platform, the driving belt wheel and the driven belt wheel in the first specific embodiment of the present invention;

Fig. 6 is a schematic diagram of the position of the tool handle of the tool in the first embodiment of the present invention and the abrasive belt reaching the surface contact structure;

Fig. 7 is a schematic diagram of the structural positions of the tool clamping platform, the driving belt wheel and the driven belt wheel in the second specific embodiment of the present invention;

Fig. 8 is a schematic diagram of the position of the tool handle of the tool and the abrasive belt reaching the surface contact structure in the second specific embodiment of the present invention;

Fig. 9 is a schematic diagram of the structural positions of the tool clamping platform, the driving belt wheel and the driven belt wheel in the third specific embodiment of the present invention;

Fig. 10 is a schematic diagram of the position of the tool handle and the abrasive belt of the tool in the third specific embodiment of the present invention to reach the surface contact structure;

Fig. 11 is a schematic diagram of the structural positions of the spindle box, the tool clamping platform and the tool mold clamping platform of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

The directional terms mentioned in the following embodiments, such as "up, down, left, right, X direction, Y direction, Z direction" are only referring to the directions of the accompanying drawings. Therefore, the directional terms used are for illustration and not for to limit the invention.

Figure 4 shows the main technical content of the first specific embodiment. This specific embodiment provides a new type of tool handle grinding and polishing machine, including a control system, a machine base 1, a tool clamping table 2, a two-dimensional electric displacement platform 4, Spindle box 5, and abrasive belt grinding mechanism 6, described abrasive belt grinding mechanism comprises the abrasive belt wheel support that is fixed on the described support, the active abrasive belt wheel 61 that is fixed on the abrasive belt wheel support, is fixed on the abrasive belt wheel The driving belt wheel driver on the support and electrically connected with the control system, the driven belt wheel 62 fixed on the belt wheel bracket, and the abrasive belt matched with the driving belt wheel and the driven belt wheel 63, as shown in Figure 5, the tool clamping table 2 is located between the driving abrasive wheel 61 and the driven abrasive wheel 62, and the driving abrasive wheel 61 and the driven abrasive wheel 62 are arranged on the same horizontal line, the two-dimensional electric displacement platform 4 is a two-dimensional electric displacement platform 4 moving along the X Z direction; the tool clamping table 2 is located below the abrasive belt 63, and the spindle box 5 Installed on the two-dimensional electric displacement platform 4 that moves along the X Z direction, the spindle box 5 can move along the Y Z direction, so that the tool clamping table 2 can move along the Y Z direction, and the rotation center line of the tool clamping table is set as parallel to the Y direction. Then the abrasive belt grinding mechanism 6 is fixed on the machine base 1 . Its working process is: the tool 8 is installed on the tool clamping table 2 and clamped and fixed. The length direction of the tool handle of the tool 8 is on the same straight line as the rotation center line of the tool clamping table 2. Abrasive belt 63 runs. The control system controls the two-dimensional electric displacement platform 4 to drive the headstock to move along the Z direction, as shown in FIG. 6 , until the tool handle of the tool 8 contacts the surface of the abrasive belt 63 to realize polishing of the tool handle. Start the headstock 5 to adjust the angle of the knife handle of the tool, thereby polishing other positions of the knife handle. In addition, the control system controls the two-dimensional electric displacement platform 4 to drive the headstock to move along the Y direction, thereby also polishing other positions of the handle. In this way, the handle of a knife can be polished in all directions; the tool holder 2 can be positioned above the abrasive belt to achieve the effect of polishing the handle in all directions in the above-mentioned working process; the abrasive belt grinding mechanism 6 is installed on the On the two-dimensional electric displacement platform 4 that moves along the Y Z direction, the abrasive belt grinding mechanism 6 can move along the Y Z direction, then the spindle box 5 is fixed on the machine base 1, and the tool clamping table 2 is driven to rotate, and the tool clamping The rotation center line of table 2 is set on the same straight line as the Y direction. This installation method can also achieve the all-round polishing effect on the tool handle achieved in the above working process.

Fig. 7 shows a schematic structural view of the second specific embodiment, which differs from the first specific embodiment in that: the driving grinding wheel 61 and the driven grinding wheel 62 are arranged on the same vertical line, so The two-dimensional electric displacement platform 4 is a two-dimensional electric displacement platform 4 that moves along the XY direction. The tool clamping platform 2 is located on the right side of the abrasive belt 63, and the headstock 5 is installed on the two-dimensional electric displacement platform 4 moving along the XY direction, so that the headstock 5 can move along the XY direction, thereby The tool clamping table 2 can move along the XY direction, and the rotation center line of the tool clamping table 2 is set parallel to the Y direction. Then described abrasive belt polishing mechanism 6 is fixed on the support. Its working process is: the tool 8 is installed on the tool clamping table 2 and clamped and fixed. The length direction of the tool handle of the tool 8 is on the same straight line as the rotation center line of the tool clamping table 2. Abrasive belt 63 runs. The control system controls the two-dimensional electric displacement platform 4 to drive the headstock 5 to move along the X direction, as shown in FIG. 8 , until the tool handle of the tool 8 contacts the surface of the abrasive belt 63 to realize polishing of the tool handle. Start the headstock 5, adjust the handle angle of the tool 8, and polish other positions of the handle. In addition, the control system controls the two-dimensional electric displacement platform 4 to drive the spindle box 5 to move along the Y direction, thereby also polishing other positions of the handle. In this way, the handle of a knife can be polished in all directions; the tool holder 2 is located on the left side of the abrasive belt 63 and can also achieve the effect of polishing the handle in all directions in the above-mentioned work process; the abrasive belt grinding mechanism 6 is installed on the On the two-dimensional electric displacement platform 4 that moves along the XY direction, the abrasive belt grinding mechanism 6 can move along the XY direction, then the spindle box 5 is fixed on the machine base 1, and the tool clamping table 2 is driven to rotate. The center line of rotation of the clamping table 2 is set to be on the same straight line as the Y direction. This installation method can also achieve the all-round polishing effect on the tool handle achieved in the above working process.

Fig. 9 shows a schematic view of the structure of the third specific embodiment, which differs from the first specific embodiment and the second specific embodiment in that: the driving abrasive pulley 61 and the driven abrasive pulley 62 are arranged at the same On an inclined line, the two-dimensional electric displacement platform 4 is a two-dimensional electric displacement platform 4 moving along the X Y direction, the tool clamping platform 2 is located on the right side of the abrasive belt 63, and the headstock 5 is installed on the On the two-dimensional electric displacement platform 4 that moves along the XY direction, the spindle box 5 can move along the XY direction, so that the tool clamping table 2 can move along the XY direction. Y is parallel. Then the abrasive belt grinding mechanism 6 is fixed on the machine base 1 . Its working process is: the tool 8 is installed on the tool clamping table 2 and clamped and fixed. The length direction of the tool handle of the tool 8 is on the same straight line as the rotation center line of the tool clamping table 2. Abrasive belt 63 runs. The control system controls the two-dimensional electric displacement platform 4 to drive the headstock 5 to move along the X direction, as shown in FIG. 10 , until the tool handle of the tool 8 contacts the surface of the abrasive belt 63 to realize polishing of the tool handle. Start the headstock 5, adjust the handle angle of the tool 8, and polish other positions of the handle. In addition, the control system controls the two-dimensional electric displacement platform 4 to drive the spindle box 5 to move along the Y direction, thereby also polishing other positions of the handle. In this way, the handle of a knife can be polished in all directions; the tool holder 2 is located on the left side or above or below the abrasive belt 63 and can also achieve the omnidirectional polishing effect on the handle of a knife achieved by the above-mentioned work process; The mechanism 6 is installed on the two-dimensional electric displacement platform 4 that moves along the XY direction, so that the abrasive belt grinding mechanism 6 can move along the XY direction, and then the spindle box 5 is fixed on the machine base 1 to drive the tool clamping platform 2 Rotate, the rotation center line of the tool clamping table 2 is set to be on the same straight line as the Y direction, this installation method can also achieve the all-round polishing effect on the tool handle achieved in the above working process; the two-dimensional electric displacement platform 4 can be a two-dimensional electric displacement platform moving along the YZ direction, and can also achieve the omni-directional polishing effect on the tool handle achieved in the above working process.

The present invention also includes a profiling device 7 electrically connected to the control system and a tool mold clamping table 3 connected to the headstock 5 in transmission. When the profiling device performs profiling, the abrasive belt polishes the handle of the tool at the same time, or the profiling device can polish the handle of the tool after profiling the handle of the tool. Using a profiling device can realize fully automatic polishing of the tool handle, greatly improving the polishing efficiency; as shown in Figure 11, the spindle box 5 includes a box body 51, a servo motor installed in the box body and electrically connected to the control system. The motor 52, the drive shaft 53 connected to the output end of the servo motor 52 and the bevel gear transmission mechanism installed in the box body, the bevel gear transmission mechanism includes the first driving bevel gear installed on the transmission shaft, The second driving bevel gear installed on the transmission shaft, the first driven bevel gear 54 that is rotatably connected with the casing and meshed with the first driving bevel gear, and is rotatably connected with the casing and is connected with the first driven bevel gear. The second driven bevel gear 55 meshed with the second driving bevel gear, the axle of the first driven bevel gear 54 passes through the box body 51 and is fixedly connected with the tool clamping table 2, the second The wheel shaft of the driven bevel gear 55 passes through the box body 51 and is fixedly connected with the tool mold mounting table 3 . The bevel gear transmission mechanism is used to lock and adjust the angle of the handle of the tool or the handle of the tool mold, which has high stability and high precision, and the offset of the tool handle is very small, which improves the polishing accuracy. The above structure can be applied in the first, second, and third specific embodiments. The profiling device 7 is used together with the abrasive belt grinding mechanism 6 according to the different installation methods in the first, second, and third specific embodiments. Installed on the machine base or installed on the two-dimensional electric displacement platform 4 together.

The tool clamping table 2 is located in the middle of the driving abrasive wheel 61 and the driven abrasive wheel 62 . When the abrasive belt exerts pressure on the knife handle, the force on the knife handle and the abrasive belt is even, so that the polishing effect is better. The above structure can be applied in the first, second and third specific embodiments.

The abrasive belt grinding mechanism 6 also includes a cooling pipe 64 fixed on the abrasive wheel support. The cooling pipe is provided with a nozzle, and the nozzle sprays onto the abrasive belt. Cool down the abrasive belt and remove the grinding and polishing residue on the abrasive belt at the same time. The above structure can be applied in the first, second and third specific embodiments.

The above are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims (8)

1. a kind of Novel knife handle polished machine, including control system, support, cutter clamping platform, two-dimensional electricity driving displacement platform, main shaft Case and belt sanding mechanism, it is characterised in that the belt sanding mechanism includes the abrasive belt wheel branch being fixed on the support Frame, the active abrasive belt wheel being fixed on the wheel support of abrasive band, the active abrasive band wheel-drive being fixed on the wheel support of abrasive band, it is fixed on Driven abrasive belt wheel on the wheel support of abrasive band and the abrasive band coordinated with the active abrasive belt wheel and the driven abrasive belt wheel, the knife Has clamping bench between the active abrasive belt wheel and the driven abrasive belt wheel.

A kind of 2. Novel knife handle polished machine according to claim 1, it is characterised in that：The active abrasive belt wheel and described driven Abrasive belt wheel is arranged on same horizontal line.

A kind of 3. Novel knife handle polished machine according to claim 1, it is characterised in that：The active abrasive belt wheel and described driven Abrasive belt wheel is arranged on same vertical curve.

A kind of 4. Novel knife handle polished machine according to claim 1, it is characterised in that：The active abrasive belt wheel and described driven Abrasive belt wheel is arranged on same parallax.

5. according to a kind of any one of Claims 1-4 Novel knife handle polished machine, it is characterised in that：Also include and control system The copying device that system is electrically connected with and the cutter mould clamping bench cutter mould clamping bench with main spindle box drive connection.

6. according to a kind of any one of Claims 1-4 Novel knife handle polished machine, it is characterised in that：The cutter clamping platform Positioned at the centre of the active abrasive belt wheel and the driven abrasive belt wheel.

7. according to a kind of any one of Claims 1-4 Novel knife handle polished machine, it is characterised in that：The belt grinder Structure also includes the cooling tube being fixed on the abrasive band wheel support, and the cooling tube is provided with spout, and the spout sprays to described On abrasive band.

8. according to a kind of any one of Claims 1-4 Novel knife handle polished machine, it is characterised in that：The main spindle box includes Casing, the servomotor being electrically connected with the casing and with control system and the cone in the casing Gear drive, the bevel gear transmission include installed in the servomotor output end the first drive bevel gear, And the first driven wheel of differential for being connected with the body pivot and being engaged with first drive bevel gear, described first is driven The wheel shaft of bevel gear is fixedly connected through the casing and with the cutter clamping platform.