CN115816242A - Automatic grinding device of floating musical instrument staving - Google Patents

Abstract

The invention discloses an automatic polishing device for a floating type musical instrument barrel, which comprises a rack, wherein a Y-axis displacement mechanism is arranged at the lower part of the rack along a Y axis, an X-axis displacement mechanism is arranged on a displacement slide seat of the Y-axis displacement mechanism, a supporting table is arranged on the displacement slide seat of the X-axis displacement mechanism through a Z-axis displacement mechanism, a clamping mechanism is arranged at the top of the supporting table, a floating device is arranged at the upper part of the rack, and a polishing mechanism is arranged on the floating device. The barrel body can be stably clamped and fixed, products are prevented from moving and falling off in the polishing process, the barrel body can be turned over at any angle on the circumference, the floating device is utilized to automatically adjust the contact force of polishing positions of the products, and the pressing force of all polishing surfaces is accurately controlled, so that the polishing requirements of different positions of the arc surfaces of the barrel body are met, the polishing precision is guaranteed, the polishing quality and the polishing efficiency of the barrel body are greatly improved, and the reworking polishing rate is reduced.

Description

An automatic grinding device for a floating musical instrument barrel

technical field

The invention belongs to the technical field of musical instrument processing equipment, and in particular relates to an automatic grinding device for a floating musical instrument barrel.

Background technique

In the production and processing of guitar barrels, barrel grinding is one of the necessary processes. The traditional grinding method is to put the barrel of the guitar under the abrasive belt, drive the abrasive belt to move through the cooperation of the motor and multiple tension wheels, and then use the sponge ball to press the abrasive belt on the surface of the barrel to be polished to complete the guitar. The grinding process of the barrel surface. During use, it was found that the existing grinding device for the guitar panel could not effectively fix the guitar panel, and the barrel was easy to move during polishing, which affected the grinding quality of the barrel and reduced the grinding efficiency of the barrel; And existing grinding device can't collect the dust that produces when device grinding, make it diffuse in the air, destroy working environment.

Therefore, developing a new type of grinding device is the key to solving the problem.

Contents of the invention

The invention aims to provide an automatic grinding device for a barrel body of a floating musical instrument.

The present invention is realized through the following technical proposals: the automatic grinding device for the barrel of a floating musical instrument includes a frame, a Y-axis displacement mechanism is arranged at the bottom of the frame along the Y-axis, and an X-axis displacement mechanism is arranged on the displacement slide seat of the Y-axis displacement mechanism. On the displacement slide seat of the X-axis displacement mechanism, a support platform is provided through the Z-axis displacement mechanism, a clamping mechanism is arranged on the top of the support platform, a floating device is arranged on the upper part of the frame, and a grinding mechanism is arranged on the floating device. The device includes a floater, a mounting seat, a lower floating seat, and an upper floating seat. The floater is arranged on the upper part of the frame through the mounting seat, and its axis is parallel to the Z axis. The lower end of the floater is connected to the lower floating seat, and the upper end is connected to the upper floating seat. The connection combination of the three forms an "I"-shaped structure, and the two ends of the lower floating seat and the upper floating seat are respectively connected with the column of the frame by sliding fit, so that the lower floating seat and the upper floating seat reciprocate up and down along the column of the frame movement, the grinding mechanism is arranged between the lower floating seat and the upper floating seat.

Further, the clamping mechanism includes a clamping stand, a feed guide rail, a feed drive, a clamping shaft, a rotation drive, and a clamping seat, and the clamping stands are respectively arranged at both ends of the top of the support platform, A feed guide rail parallel to the X-axis is set on the support platform at the lower end of any clamping stand, and the feed guide rail is slidably connected with the clamping stand, and a feed drive is provided at the outer end of the feed guide rail, and the feed drive Connect the clamping stand on the feed guide rail, set the clamping shaft through the bearing on the top of each clamping stand, set the clamping seat at the inner end of the clamping shaft, and set the clamping seat at the lower end of the other clamping stand A rotary drive is arranged on the stage, and the rotary drive transmission is connected with the clamping rotating shaft at the same end.

Further, the two sides of the Y-axis of the supporting platform are respectively provided with feeding drives, and the top of the feeding drive is provided with a feeding plate, and the length of the feeding plate is less than the distance between the two clamping stands.

Further, the grinding mechanism includes a grinding motor, a grinding guide wheel, and a grinding belt, the grinding motor is arranged on the upper floating seat, and there are three grinding guide wheels, two of which are arranged at both ends of the lower floating seat , and the other is arranged on the upper floating seat, three grinding guide wheels are arranged in an isosceles triangle structure, and any one of the grinding guide wheels on the lower floating seat is driven and connected to the grinding motor.

The beneficial effects of the present invention are as follows: 1. The present invention can firmly clamp and fix the barrel to ensure that the product does not move and fall off during the grinding process. The barrel can be turned over at any angle on the circumference, and the floating device can be used to automatically adjust the contact force on the grinding positions of the product, and accurately control the pressing force of all the grinding surfaces to meet the needs of different arc surfaces of the barrel. The grinding requirements are guaranteed, the grinding accuracy is guaranteed, the grinding quality and grinding efficiency of the barrel are greatly improved, and the rework grinding rate is reduced;

2. Set up a dust cover to collect the dust generated during grinding to prevent the dust from spreading in the air and ensure the safety of the working environment. At the same time, it also prevents the dust from falling into the mechanical equipment, ensuring the safety of the mechanical equipment and prolonging the life of the machine. Service life of machinery and equipment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view structural representation of the present invention;

Fig. 3 is the top view structure schematic diagram of the present invention;

Fig. 4 is the structural representation of clamping mechanism among the present invention;

Labels in the figure: 1～rack, 2～Y-axis displacement mechanism, 3～X-axis displacement mechanism, 4～Z-axis displacement mechanism, 5～displacement motor, 6～displacement driving screw, 7～displacement guide rail, 8～displacement Sliding seat, 9~support table, 10~floater, 11~installation seat, 12~lower floating seat, 13~upper floating seat, 14~clamping stand, 15~feed guide rail, 16~feed drive, 17 ～Clamping shaft, 18～Clamping seat, 19～Rotary drive, 20～Feeding drive, 21～Feeding plate, 22～Elevating guide rod, 23～Elevating drive, 24～Grinding motor, 25～Grinding guide wheel, 26～grinding belt, 27～buffer drive, 28～connecting rod, 29～auxiliary motor, 30～protective cover, 31～dust suction pipe, 32～control device.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, specific implementations thereof will be described in detail below in conjunction with the accompanying drawings.

The automatic grinding device for the barrel of a floating musical instrument as shown in Figures 1 to 4 includes a frame 1, a Y-axis displacement mechanism 2 is arranged on the bottom of the frame 1 along the Y-axis, and a displacement slide 8 of the Y-axis displacement mechanism 2 is arranged X-axis displacement mechanism 3, on the displacement slide seat 8 of the X-axis displacement mechanism 3, a support platform 9 is provided through the Z-axis displacement mechanism 4, a clamping mechanism is arranged on the top of the support platform 9, and a floating device is arranged on the top of the frame 1 , the floating device is provided with a grinding mechanism, and the floating device includes a floater 10, a mounting seat 11, a lower floating seat 12, and an upper floating seat 13. The floating device 10 is arranged on the top of the frame 1 through the mounting seat 11, and its axis Parallel to the Z axis, the lower end of the floater 10 is connected to the lower floating seat 12, and the upper end is connected to the upper floating seat 13. The columns of the frame 1 are slidably connected, so that the lower floating seat 12 and the upper floating seat 13 reciprocate up and down along the columns of the frame 1, and the grinding mechanism is arranged between the lower floating seat 12 and the upper floating seat 13.

The clamping mechanism includes a clamping stand 14, a feed guide rail 15, a feed drive 16, a clamping shaft 17, a rotary drive 19 and a clamping seat 18, and the clamping stand 14 is respectively arranged on the support platform 9 At the two ends of the top, a feed guide rail 15 parallel to the X-axis is arranged on the supporting platform 9 at the lower end of any clamping stand 14, and the feed guide rail 15 is slidably connected with the clamping stand 14. 15 outer ends are provided with feed drive 16, and feed drive 16 connects the clamping stand 14 on the feed guide rail 15, and clamping rotating shaft 17 is set by bearing at the top of each described clamping stand 14, and clamping rotating shaft 17 The inner end of the inner end is provided with a clamping seat 18, and a rotary drive 19 is set on the support platform 9 at the lower end of another clamping stand 14, and the rotary drive 19 is transmission-connected to the clamping rotating shaft 17 at the same end.

Both sides of the Y-axis of the support table 9 are respectively provided with feed drives 20 , and the top of the feed drive 20 is provided with a feed plate 21 , and the length of the feed plate 21 is less than the distance between the two clamping stands 14 .

The Y-axis displacement mechanism 2, the X-axis displacement mechanism 3, and the Z-axis displacement mechanism 4 include a displacement motor 5, a displacement driving screw 6, a displacement guide rail 7 and a displacement slide 8, and the displacement motor 5 is coaxially connected to the displacement driving screw 6. The displacement guide rail 7 is arranged on both sides of the displacement driving screw rod 6 , and the displacement slide seat 8 is arranged on the displacement guide rail 7 and connected to the displacement driving screw rod 6 .

The four corners of the supporting table 9 are respectively provided with lifting guide rods 22 which are slidingly fitted and connected thereto, and the lower ends of the lifting guide rods 22 are fixedly connected to the displacement sliding seat 8 of the X-axis displacement mechanism 3 .

The center of the displacement slide 8 of the X-axis displacement mechanism 3 is provided with a lifting drive 23 connected to the support table 9, and the lifting drive 23 is an air cylinder or a hydraulic cylinder.

The grinding mechanism includes a grinding motor 24, a grinding guide wheel 25, and a grinding belt 26. The grinding motor 24 is arranged on the upper floating seat 13. There are three grinding guide wheels 25, two of which are arranged on the lower floating seat The two ends of 12, the other is arranged on the upper floating seat 13, three grinding guide wheels 25 are arranged in an isosceles triangle structure, and any one grinding guide wheel 25 transmission connection on the lower floating seat 12 is connected to the grinding motor 24.

Further, the floater 10 is a hydraulic spring mechanism or a pneumatic spring mechanism.

Any end of the top of the frame 1 is provided with an obliquely upward buffer drive 27, and the free end of the buffer drive 27 is an upside-down V-shaped hinged link 28, and the lower end of the link 28 is hinged to the upper floating seat 13. The buffer drive 27 is an air cylinder or a hydraulic cylinder.

An auxiliary motor 29 is set at the end opposite to the grinding motor 24 on the upper floating seat 13 , and the auxiliary motor 29 is transmission-connected to the grinding guide wheel 25 on the upper floating seat 13 and another grinding guide wheel 25 on the lower floating seat 12 .

Both ends of the lower floating seat 12 are respectively provided with a protective cover 30 covering the grinding guide wheel 25, and a dust suction pipe 31 connected to a vacuum cleaner is provided on the protective cover 30.

Also includes a control device 32, the control device 32 is a single-chip microcomputer or a PLC editable logic controller, which are connected to the clamping mechanism, the floating device, the grinding mechanism, the Y-axis displacement mechanism 2, the X-axis displacement mechanism 3, and the Z-axis displacement mechanism respectively. Mechanism 4, feeding drive 20, lifting drive 23, buffer drive 27, auxiliary motor 29 and vacuum cleaner.

How the invention works:

1. Before processing, write a processing program according to the shape and structure of the musical instrument barrel, and import it into the control device 32;

2. During processing, place the barrel of the musical instrument on the feeding plate 21, the feeding drive 20 lifts the feeding plate 21 and the barrel of the musical instrument is flush with the clamping seat 18, and the feeding drive 16 drives the clamping seat connected to it. The stand 14 moves along the feeding guide rail 15 toward the barrel of the musical instrument, and with the cooperation of another clamping seat 18, the barrel of the musical instrument is clamped and fixed;

3. Start the Z-axis displacement mechanism 4 to drive the support table 9 to move upwards, so that the barrel of the musical instrument contacts the abrasive belt 26, and the grinding motor 24 drives the abrasive belt 26 to run through the grinding guide wheel 25, and the barrel of the musical instrument is polished;

4. During the polishing process in step 3, start the Y-axis displacement mechanism 2 to drive the X-axis displacement mechanism 3 and the support table 9 to reciprocate along the Y-axis, adjust the positions of the instrument barrel and the grinding belt 26, and start the X-axis The axial displacement mechanism 3 drives the support platform 9 on it to reciprocate along the X axis, adjusts the positions of the musical instrument barrel and the abrasive belt 26, and the lifting drive 23 cooperates with the Z-axis displacement mechanism 4 to lift the support platform 9 to perform lifting motion;

5. During the grinding process in step 3, the Z-axis displacement mechanism 4 will drive the support table 9 to move up and down in the Z-axis direction, and the grinding belt 26 will transmit the force after receiving the force generated by the barrel body of the musical instrument when it moves up and down. To the floating device, the floating device 10 of the floating device is stressed, and the lower floating seat 12 and the upper floating seat 13 are controlled to move up and down in the same rhythm as the barrel of the musical instrument, so as to realize the flexible contact between the abrasive belt 26 and the barrel of the musical instrument, thereby Offset part of the force and grinding pressure generated during the operation of the grinding machine, realize precise control of the grinding pressure, and avoid damage to the grinding belt 26 or the barrel of the musical instrument during the grinding process;

6. During the polishing process in step 3, start the rotating drive 19 to drive the clamping shaft 17 to rotate, and then drive the clamping seat 18 to rotate, so as to realize the flipping of the musical instrument barrel at any angle on the circumference, so as to achieve the completion of different arc surfaces. Grinding operation.

Claims (10)

1. A kind of floating type musical instrument barrel body automatic grinding device, comprises frame (1), is provided with Y-axis displacement mechanism (2) along Y-axis at the bottom of frame (1), and slides in the displacement of Y-axis displacement mechanism (2) An X-axis displacement mechanism (3) is arranged on the seat (8), and a supporting platform (9) is provided with a Z-axis displacement mechanism (4) on the displacement slide seat (8) of the X-axis displacement mechanism (3), which is characterized in that: A clamping mechanism is set on the top of the supporting table (9), a floating device is set on the top of the frame (1), and a grinding mechanism is set on the floating device, and the floating device includes a floater (10), a mounting seat (11), The lower floating seat (12), the upper floating seat (13), the floating device (10) is arranged on the top of the frame (1) through the mounting seat (11), and its axis is parallel to the Z axis. The lower end is connected with the lower floating seat (12), and the upper end is connected with the upper floating seat (13). The column of (1) is slidingly fitted and connected, so that the lower floating seat (12) and the upper floating seat (13) reciprocate up and down along the column of the frame (1), and the grinding mechanism is arranged on the lower floating seat (12) and the upper Between the floating seat (13). 2. The automatic grinding device for floating musical instrument barrels according to claim 1, characterized in that: the clamping mechanism includes a clamping stand (14), a feed guide rail (15), a feed drive (16) , the clamping shaft (17), the rotary drive (19) and the clamping seat (18), the clamping stand (14) is respectively arranged on the two ends of the support platform (9) top, any clamping stand A feed guide rail (15) parallel to the X-axis is set on the support platform (9) at the lower end of the frame (14), and the feed guide rail (15) is slidably connected with the clamping stand (14). ) the outer end is provided with a feed drive (16), the feed drive (16) is connected to the clamping stand (14) on the feed guide rail (15), and the top of each said clamping stand (14) is arranged by a bearing Clamp the rotating shaft (17), set the clamping seat (18) at the inner end of the clamping rotating shaft (17), set the rotary drive (19) on the support platform (9) at the lower end of another clamping stand (14), The rotary drive (19) transmission is connected with the clamping rotating shaft (17) at the same end. 3. The automatic polishing device for floating musical instrument barrels according to claim 1, characterized in that: the Y-axis sides of the support table (9) are respectively provided with feeding drives (20), and the feeding drives (20) A feeding plate (21) is arranged on the top, and the length of the feeding plate (21) is less than the distance between the two clamping stands (14). 4. The automatic polishing device for floating musical instrument barrels according to claim 1, characterized in that: the Y-axis displacement mechanism (2), the X-axis displacement mechanism (3), and the Z-axis displacement mechanism (4) include displacement Motor (5), displacement driving screw rod (6), displacement guide rail (7) and displacement slide seat (8), displacement motor (5) is coaxially connected with displacement driving screw rod (6), and displacement guide rail (7) is arranged on displacement On both sides of the driving screw (6), the displacement slide (8) is arranged on the displacement guide rail (7), and is connected to the displacement driving screw (6). 5. The automatic polishing device for floating musical instrument barrels according to claim 1 or 3, characterized in that: the four corners of the support platform (9) are respectively provided with lifting guide rods (22) that are slidably connected to it, The lower end of the lifting guide rod (22) is fixedly connected on the displacement slide seat (8) of the X-axis displacement mechanism (3). 6. The automatic polishing device for floating musical instrument barrels according to claim 1 or 4, characterized in that: the center of the displacement slide (8) of the X-axis displacement mechanism (3) is provided with a connecting support platform (9 ) lifting drive (23), the lifting drive (23) is an air cylinder or a hydraulic cylinder. 7. The automatic grinding device for the barrel of a floating musical instrument according to claim 1, characterized in that: the grinding mechanism comprises a grinding motor (24), a grinding guide wheel (25), and a grinding belt (26). The grinding motor (24) is arranged on the upper floating seat (13), and there are three grinding guide wheels (25), two of which are arranged at the two ends of the lower floating seat (12), and the other is arranged on the upper floating seat (13). ), three grinding guide wheels (25) are arranged in an isosceles triangle structure, and any grinding guide wheel (25) transmission connection on the lower floating seat (12) is connected to the grinding motor (24). 8. The automatic polishing device for a floating musical instrument barrel according to claim 1, characterized in that: any end of the top of the frame (1) is provided with an obliquely upward buffer drive (27), and the buffer drive (27) The free end movable hinge connecting rod (28) is an inverted V-shaped structure, and the lower end of the connecting rod (28) is movable and hinged to the upper floating seat (13), and the buffer drive (27) is an air cylinder or a hydraulic cylinder. 9. The automatic grinding device for floating musical instrument barrels according to claim 1 or 7, characterized in that: an auxiliary motor (29) is set at the end opposite to the grinding motor (24) on the upper floating seat (13), The grinding guide wheel (25) on the auxiliary motor (29) transmission connection on the floating seat (13). 10. The automatic grinding device for floating musical instrument barrels according to claim 1 or 7, characterized in that: the two ends of the lower floating seat (12) are respectively provided with protective covers covering the grinding guide wheels (25) (30), the protective cover (30) is provided with the dust suction pipe (31) that connects vacuum cleaner.

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