CN114842818A - Wind instrument perforating device - Google Patents

Abstract

The invention relates to the field of metal pipe processing, in particular to a wind instrument perforating device. The invention provides a wind instrument perforating device capable of providing supporting points around perforating positions of wind instruments, which comprises an operating platform, a feeding seat, a first supporting frame, a shielding frame, a supporting sliding frame, a perforator and the like, wherein the feeding seat for placing the wind instruments is connected to the top of the operating platform, the first supporting frame is connected to the inner side of the top of the operating platform, the shielding frame is connected to the first supporting frame, the supporting sliding frame is connected to the upper portion of the first supporting frame in a sliding mode, the supporting sliding frame is located in the shielding frame, the perforator is installed on the lower side of the supporting sliding frame, and the perforator is located right above the feeding seat. According to the invention, the second wedge block drives the first wedge block and the second support frame to move upwards by pressing the push rod, so that the periphery of the perforation position of the wind instrument is supported, and cracks and collapse of the periphery of the perforation position of the wind instrument are effectively prevented.

Description

A wind instrument perforating device

technical field

The invention relates to the field of metal pipe processing, in particular to a perforating device for wind instruments.

Background technique

In the process of production and processing of wind instruments, the pipe body needs to be perforated, so that players can blow different pitches by switching the opening and closing of the finger holes and adjusting the amount of breath when playing with the wind instrument.

The utility model patent with the authorization announcement number CN212495521U discloses a hole opening device for a straight wind instrument, including a workbench, a column and a drilling device arranged on the workbench. The column is symmetrically and fixedly installed on the top surface of the workbench, the inner side of the two columns is installed with a vertical first linear guide motor, and a horizontal second linear guide motor is arranged between the two symmetrical first linear guide motors. A linear guide motor, a drilling device is installed on the second linear guide motor, and two clamps for clamping straight wind instruments are provided on the worktable at the bottom of the drilling device.

The hole opening device for the straight wind instrument cannot support the periphery of the perforation position of the wind instrument when perforating, which easily causes cracks and collapses around the perforation position of the wind instrument and damages the wind instrument.

SUMMARY OF THE INVENTION

In order to overcome the disadvantage that the existing technology cannot support the perforation position of the wind instrument, and when the wind instrument is perforated, it is easy to cause cracks and collapse around the perforation position of the wind instrument. The present invention provides a wind instrument capable of supporting the periphery of the perforation position of the wind instrument. perforation device.

Technical scheme: a wind instrument perforating device, comprising an operation table, a discharge seat, a first support frame, a support carriage and a perforator, the discharge seat is connected to the operation table, the first support frame is connected to the operation table, and the first support frame is connected to the operation table. A supporting frame is slidably connected with a supporting carriage, the perforator is installed on the supporting carriage, and is characterized in that it also includes a shielding frame, a driving mechanism and an inner wall supporting mechanism, and a shielding frame is connected to the first supporting frame, and the supporting sliding The frame is located inside the shielding frame, and the upper part of the first support frame is provided with a driving mechanism for driving the perforator to automatically rise and fall. The driving mechanism is slidably connected with the supporting carriage. The driving mechanism provides a buffering force when the perforator is lowered to prevent the outer periphery of the perforation position of the wind instrument. The inner wall support mechanism is arranged on the discharge seat, and the inner wall support mechanism provides support points on the left and right sides of the perforation position of the wind instrument to prevent cracks and collapses in the outer periphery of the perforation position of the wind instrument.

In a preferred embodiment of the present invention, the driving mechanism includes an electric push rod, a first sliding block and a first spring, an electric push rod is installed in the middle of the top of the first support frame, and the lower end of the telescopic rod of the electric push rod is connected with a first The sliding block, the first sliding block is slidably connected with the supporting carriage, the first spring is connected between the front and rear sides of the bottom of the first sliding block and the supporting carriage, and the electric push rod drives the first sliding block to expand and contract, thereby driving the supporting carriage The carriage and the perforator move up and down, and when the perforator perforates the wind instrument, the first spring provides a buffering force.

In a preferred embodiment of the present invention, the inner wall support mechanism includes a first support block, a hollow installation tube, a first wedge block, a second support frame, a sliding sleeve, a second spring and a push-pull assembly. The side is connected with a first support block, and the upper side of the right wall of the first support block is connected with a hollow installation tube for covering the wind instrument. A second support frame for supporting the perforation position of the wind instrument is slidably connected between the sleeves. The upper end of the second support frame extends out of the hollow installation tube. The left part of the second support frame is connected with a first wedge block. A second spring is connected between the lower part of the support frame, and the push-pull assembly is arranged on the left side of the hollow installation tube. The second support frame is driven to move upward, and the upwardly moved second support frame provides support points for the left and right sides of the perforation position of the wind instrument.

In a preferred embodiment of the present invention, the push-pull assembly includes a push rod and a second wedge-shaped block, a push rod is slidably connected to the left part of the hollow installation tube, and the left part of the push rod is slidably connected to the upper part of the first support block to push The right end of the rod is connected with a second wedge block, the bottom of the first wedge block is in contact with the second wedge block, and the second wedge block moves to the right to push the first wedge block and the second support frame to move upward.

In a preferred embodiment of the present invention, it further includes a vertical limit mechanism for clamping the circumferential outer wall of the wind instrument, and the vertical limit mechanism includes a hollow sleeve, a movable rod, a clamping block, a third spring and a fourth The spring, the left and right sides of the lower part of the support carriage are connected with hollow sleeves, the inner sides of the two hollow sleeves are slidably connected with movable rods, and the left and right sides of the lower part of the first support frame are slidably connected with clamping blocks, and the movable rods are downward Move and squeeze the clamping block, the clamping block cooperates with the discharge seat to clamp the wind instrument, a third spring is connected between the upper and rear sides of the two clamping blocks and the first support frame, and the inner top of the hollow sleeve on the left is connected with the left side of the hollow casing. A fourth spring is connected between the tops of the movable rods, and a fourth spring is connected between the inner top of the hollow sleeve on the right and the top of the movable rod on the right.

In a preferred embodiment of the present invention, it also includes a push support mechanism for automatically supporting the left and right sides of the perforated position of the pipe wall of the wind instrument. The push support mechanism includes a sliding rod, a wedge push rod and a fifth spring. A sliding rod is connected to the top of a support block, and a wedge-shaped push rod is slidably connected to the sliding rod. The right part of the wedge-shaped push rod is in contact with the left clamping block, and the left clamping block drives the wedge-shaped push rod to move down, and the wedge-shaped push rod squeezes The push rod moves to the right, a fifth spring is connected between the left part of the wedge push rod and the top of the first support block, and the fifth spring is sleeved on the sliding rod.

In a preferred embodiment of the present invention, it also includes a lateral limit mechanism for limiting the left and right ends of the wind instrument, and the lateral limit mechanism includes a friction plate, a sliding block, a threaded rod, a second sliding block, The telescopic block, the sixth spring and the rotating friction disc are connected with the friction plate on the front side of the top of the operating table, the upper part of the operating table is slidably connected with a sliding block, the upper part of the sliding block is slidably connected with the discharge seat, and the upper part of the operating table is slidably connected A second sliding block is connected, a threaded rod is threadedly connected to the front of the sliding block and the front of the second sliding block, and a rotating friction disc is rotatably connected to the lower part of the two threaded rods, and the rotating friction disc moves downward with the friction plate. Contact to limit the sliding block and the second sliding block, the upper side of the rear of the second sliding block is slidably connected with a telescopic block, the upper part of the telescopic block is slidably connected to the discharge seat, and the sliding block and the telescopic block are opposite to each other The movement limits the left and right ends of the wind instrument, and a sixth spring is connected between the rear part of the telescopic block and the upper side of the rear part of the second sliding block.

In a preferred embodiment of the present invention, it also includes a load-bearing mechanism for supporting the right end of the hollow installation tube. The load-bearing mechanism includes a slide rail, a second support block and a pull rod. The right side of the top of the operating table is connected with a slide rail, and the slide rail The upper sliding connection is provided with a second support block for supporting the right end of the hollow installation pipe, the second support block is in contact with the right end of the hollow installation pipe, and a pull rod is connected to the front wall of the second support block.

The present invention has the following advantages:

In the present invention, by pressing the push rod, the second wedge-shaped block drives the first wedge-shaped block and the second support frame to move upward, so as to support the periphery of the perforated position of the wind instrument, effectively preventing cracks and collapses in the outer periphery of the perforated position of the wind instrument; With the setting of the wedge-shaped push rod, the clamping block moves down to cooperate with the discharge seat to clamp the wind instrument, so as to avoid the deviation when the wind instrument is perforated; The second support frame automatically supports the left and right sides of the perforated position of the pipe wall of the wind instrument; by moving the sliding block and the second sliding block toward each other, the wind instrument is limited, effectively preventing the wind instrument from moving left and right when the wind instrument is perforated; A second support block is provided, and the right end of the hollow installation pipe is supported by the second support block, so as to avoid the inclination of the hollow installation pipe.

Description of drawings

FIG. 1 is a schematic diagram of the three-dimensional structure of the present invention.

FIG. 2 is a schematic diagram of a partial three-dimensional structure of the present invention.

FIG. 3 is a schematic diagram of the first three-dimensional structure of the driving mechanism of the present invention.

FIG. 4 is a schematic diagram of a second three-dimensional structure of the driving mechanism of the present invention.

FIG. 5 is a schematic three-dimensional structure diagram of the inner wall support mechanism of the present invention.

FIG. 6 is a schematic view of the first partial three-dimensional structure of the inner wall support mechanism of the present invention.

FIG. 7 is a schematic diagram of a second partial three-dimensional structure of the inner wall support mechanism of the present invention.

FIG. 8 is a schematic diagram of the first three-dimensional structure of the vertical limiting mechanism of the present invention.

FIG. 9 is a schematic diagram of a second three-dimensional structure of the vertical limiting mechanism of the present invention.

FIG. 10 is a schematic three-dimensional structure diagram of the pushing and supporting mechanism of the present invention.

FIG. 11 is a schematic three-dimensional structural diagram of the lateral limiting mechanism of the present invention.

FIG. 12 is a partial three-dimensional structural schematic diagram of the lateral limiting mechanism of the present invention.

FIG. 13 is a schematic three-dimensional structure diagram of the load-bearing mechanism of the present invention.

In the picture: 1. Operating table, 2. Discharging seat, 3. First support frame, 4. Blocking frame, 5. Supporting carriage, 6. Perforator, 7. Driving mechanism, 71, Electric push rod, 72 , the first sliding block, 73, the first spring, 8, the inner wall support mechanism, 81, the first support block, 82, the hollow installation tube, 83, the first wedge block, 84, the second support frame, 85, the sliding sleeve, 86, the second spring, 87, the push rod, 88, the second wedge block, 9, the vertical limit mechanism, 91, the hollow sleeve, 92, the movable rod, 93, the clamping block, 94, the third spring, 95, Fourth spring, 10, push support mechanism, 101, sliding rod, 102, wedge push rod, 103, fifth spring, 11, lateral limit mechanism, 111, friction plate, 112, sliding block, 113, threaded rod, 114, the second sliding block, 115, the telescopic block, 116, the sixth spring, 117, the rotating friction disc, 12, the load-bearing mechanism, 121, the slide rail, 122, the second support block, 123, the pull rod.

Detailed ways

Although the invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the invention. One of ordinary skill in the art will recognize that terms such as: above, below, up, down, etc. are used to describe the drawings and are not intended to limit the scope of the invention, which is defined by the appended claims . Any numerical reference, such as first or second, is exemplary only and is not intended to limit the scope of the invention in any way.

Example 1

A wind instrument perforating device, with reference to Figures 1 to 7, includes an operating table 1, a discharge seat 2, a first support frame 3, a shielding frame 4, a support carriage 5, a perforator 6, a drive mechanism 7 and an inner wall support mechanism 8. The top of the console 1 is connected with a discharge seat 2, which is used for placing wind instruments, the middle side of the top of the console 1 is connected with a first support frame 3, and the first support frame 3 is connected with a shielding frame 4, the first The upper part of the support frame 3 is slidably connected with a support carriage 5, which is located inside the shielding frame 4; 3. The upper part is provided with a drive mechanism 7, which is used to drive the perforator 6 to rise and fall automatically, the drive mechanism 7 is slidably connected with the support carriage 5, the inner wall support mechanism 8 is arranged on the discharge seat 2, and the inner wall support mechanism 8 is used for Provide support points to the left and right sides of the perforated position of the wind instrument; with reference to Figures 3-4, the drive mechanism 7 includes an electric push rod 71, a first sliding block 72 and a first spring 73, and an electric motor is installed in the middle of the top of the first support frame 3. Push rod 71 , the lower end of the telescopic rod of electric push rod 71 is connected with a first sliding block 72 , the first sliding block 72 is slidably connected with the supporting carriage 5 , and the front and rear sides of the bottom of the first sliding block 72 are between the supporting carriage 5 A first spring 73 is connected; referring to FIGS. 5-7 , the inner wall support mechanism 8 includes a first support block 81, a hollow installation tube 82, a first wedge block 83, a second support frame 84, a sliding sleeve 85, and a second spring 86 and the push-pull assembly, the top left side of the discharge seat 2 is connected with a first support block 81, and the upper side of the right wall of the first support block 81 is connected with a hollow installation tube 82 for covering the wind instrument, and the hollow installation tube 82 is located in the discharge seat 2. Above, two sliding sleeves 85 are connected in the middle of the hollow installation tube 82, and a second supporting frame 84 for supporting the perforation position of the wind instrument is slidably connected between the two sliding sleeves 85. The upper end of the second supporting frame 84 extends out of the hollow installation tube. 82, a first wedge block 83 is connected to the left of the second support frame 84, a second spring 86 is connected between the bottom of the sliding sleeve 85 and the lower part of the second support frame 84, and the push-pull assembly is arranged on the left side of the hollow installation tube 82. , the push-pull assembly is slidably connected to the upper part of the first support block 81, and the push-pull assembly is in contact with the first wedge-shaped block 83; with reference to Figures 5-7, the push-pull assembly includes a push rod 87 and a second wedge-shaped block 88. The left part is slidably connected with a push rod 87, the left part of the push rod 87 is slidably connected with the upper part of the first support block 81, the right end of the push rod 87 is connected with a second wedge block 88, and the bottom of the first wedge block 83 is connected with the second wedge block 88 touch.

When using this device, cover the wind instrument on the hollow installation tube 82 from right to left, and place it on the discharge seat 2, then move the perforation position of the wind instrument to just below the perforator 6, then manually press the push rod 87 to the right, Then the second wedge block 88 is driven to move to the right, the second wedge block 88 presses the first wedge block 83 upward, the first wedge block 83 drives the second support frame 84 to move upward, and the second spring 86 is compressed, so that the second support The frame 84 is in contact with the inner wall of the wind instrument, so as to provide support points on the left and right sides of the perforation position of the wind instrument. In this way, when the wind instrument is perforated, cracks and collapses can be prevented from being produced on the outer periphery of the perforation position of the wind instrument, and then the electric push rod 71 is activated, and the electric push rod 71 is telescopic. The extension of the rod drives the first sliding block 72 to move down, and the first spring 73 drives the support carriage 5 to move down, and the support carriage 5 drives the perforator 6 to move down. When the perforator 6 is in contact with the wind instrument, the electric The push rod 71 starts the perforator 6, so that the perforator 6 perforates the wind instrument. When the perforator 6 perforates the wind instrument, the first spring 73 provides a buffering force to effectively prevent the outer periphery of the perforation position of the wind instrument from cracking. , close the perforator 6, control the electric push rod 71 to retract the telescopic rod and drive the first sliding block 72 to move up and reset, the first sliding block 72 drives the first spring 73, the supporting carriage 5 and the perforator 6 to move up and reset, and then close the electric Push rod 71, then release push rod 87, and then drive the second support frame 84 and the first wedge-shaped block 83 to move down and reset under the action of the second spring 86, and the first wedge-shaped block 83 presses the push rod 87 to the left. , so that the push rod 87 and the second wedge block 88 are moved to the left to reset, and then the wind instrument can be removed.

Example 2

On the basis of Embodiment 1, referring to FIGS. 1 , 8 and 9 , the device further includes a vertical limiting mechanism 9 , and the vertical limiting mechanism 9 includes a hollow sleeve 91 , a movable rod 92 , a clamping block 93, the third spring 94 and the fourth spring 95, the left and right sides of the lower part of the support carriage 5 are connected with hollow sleeves 91, the inner sides of the two hollow sleeves 91 are slidably connected with movable rods 92, and the lower part of the first support frame 3 Both the left and right sides are slidably connected with a clamping block 93, the clamping block 93 cooperates with the discharge seat 2 to clamp the circumferential outer wall of the wind instrument, the movable rod 92 moves downward and contacts the clamping block 93, and the upper and rear sides of the two clamping blocks 93 are both A third spring 94 is connected with the first support frame 3, a fourth spring 95 is connected between the inner top of the left hollow sleeve 91 and the top of the left movable rod 92, and the inner top of the right hollow sleeve 91 is connected A fourth spring 95 is connected between the top of the movable rod 92 on the right side; when the supporting carriage 5 moves downward, the supporting carriage 5 drives the hollow sleeve 91 to move downward, and the hollow sleeve 91 drives the movable rod 92 and the first The four springs 95 move downward. When the movable rod 92 contacts the clamping block 93, the movable rod 92 drives the clamping block 93 to move downward, and the third spring 94 is compressed. The discharge seat 2 clamps the wind instrument to prevent the wind instrument from shifting when the wind instrument is perforated. At the same time, the support carriage 5 drives the hollow sleeve 91 to continue to move downward, and the fourth spring 95 is compressed. When the support carriage 5 moves upward, the support carriage 5. Drive the hollow sleeve 91 to move upward, the fourth spring 95 is reset accordingly, the hollow sleeve 91 drives the movable rod 92 and the fourth spring 95 to move upward, so that the movable rod 92 is separated from the clamping block 93, and then the third spring 94 resets Under the action of driving the clamping block 93 to move up and reset.

1 and 10, the device further includes a push support mechanism 10, the push support mechanism 10 includes a sliding rod 101, a wedge push rod 102 and a fifth spring 103, the top of the first support block 81 is connected with a sliding rod 101, the sliding A wedge-shaped push rod 102 is slidably connected to the rod 101. The wedge-shaped push rod 102 moves downward and contacts the left end of the push rod 87. A fifth spring 103 is connected between the top of the support block 81, and the fifth spring 103 is sleeved on the sliding rod 101; in the initial state, the fifth spring 103 is stretched. The spring 103 drives the wedge-shaped push rod 102 to move downward under the action of resetting, and the wedge-shaped push rod 102 contacts the left end of the push rod 87, and then squeezes the push rod 87 to the right, so that the second support frame 84 automatically perforates the position of the pipe wall of the wind instrument. The left and right sides are supported. When the clamp block 93 on the left moves upward to reset, it drives the wedge-shaped push rod 102 to move upward to reset, and the fifth spring 103 is stretched.

1 , 11 and 12 , the device further includes a lateral limit mechanism 11 , and the lateral limit mechanism 11 includes a friction plate 111 , a sliding block 112 , a threaded rod 113 , a second sliding block 114 , and a telescopic block 115, the sixth spring 116 and the rotating friction plate 117, the top front side of the operating table 1 is connected with a friction plate 111, the upper part of the operating table 1 is slidably connected with a sliding block 112, and the upper part of the sliding block 112 is slidably connected with the discharge seat 2 , the upper part of the console 1 is slidably connected with a second sliding block 114 , the front part of the sliding block 112 and the front part of the second sliding block 114 are threadedly connected with a threaded rod 113 , and the lower part of the two threaded rods 113 are both rotatably connected with a rotating The friction plate 117, the upper side of the rear of the second sliding block 114 is slidably connected with a telescopic block 115, the telescopic block 115 cooperates with the sliding block 112 to limit the left and right ends of the wind instrument, and the upper part of the telescopic block 115 is connected to the discharge seat 2 Sliding connection, a sixth spring 116 is connected between the rear of the telescopic block 115 and the upper side of the rear of the second sliding block 114; manually press down the front end of the telescopic block 115, the sixth spring 116 is stretched, so that the telescopic block When the block 115 is separated from the discharge seat 2, the wind instrument can be placed on the hollow installation tube 82 from right to left, and is located between the sliding block 112 and the telescopic block 115, and then the telescopic block 115 is released, and then the first Under the action of the reset of the six springs 116, the retractable block 115 is moved up and reset, and the position where the wind instrument needs to be perforated is moved to the position just below the perforator 6, and the threaded rod 113 is manually rotated. The rotating friction plate 117 is separated from the friction plate 111, and then the sliding block 112 is manually moved to the right. The left end of the wind instrument contacts, and then the second sliding block 114 is moved to the left. The second sliding block 114 drives the threaded rod 113 on the right, the rotating friction disc 117 on the right, the telescopic stop 115 and the sixth spring 116 to move to the left, so that the telescopic The stopper 115 is in contact with the right end of the wind instrument, and then the threaded rod 113 is manually reversed. The downward movement of the threaded rod 113 drives the rotating friction disc 117 to move downward to contact the friction plate 111. The rotating friction disc 117 cooperates with the friction plate 111 to slide the stopper 112 and the second sliding block 114 to limit the position, so that the sliding block 112 cooperates with the telescopic block 115 to limit the left and right ends of the wind instrument to prevent the wind instrument from moving left and right during perforation.

1 and 13 , a load-bearing mechanism 12 is also included. The load-bearing mechanism 12 includes a slide rail 121 , a second support block 122 and a pull rod 123 . A slide rail 121 is connected to the right side of the top of the console 1 , and the slide rail 121 is a sliding type. A second support block 122 is connected, the second support block 122 is used to support the right end of the hollow installation pipe 82, the second support block 122 is in contact with the right end of the hollow installation pipe 82, and a pull rod 123 is connected to the front wall of the second support block 122; Manually move the second support block 122 forward, so that the second support block 122 is separated from the right end of the hollow installation tube 82, then the wind instrument can be placed on the hollow installation tube 82 from right to left, and then manually move the The two supporting blocks 122 make the second supporting block 122 contact with the hollow installation pipe 82 , thereby supporting the right end of the hollow installation pipe 82 and preventing the hollow installation pipe 82 from tilting.

The above-mentioned embodiments are provided for those skilled in the art to realize or use the present invention. Those skilled in the art can make various modifications or changes to the above-mentioned embodiments without departing from the inventive concept of the present invention. The protection scope of the present invention is not limited by the above-mentioned embodiments, but should be the maximum scope conforming to the innovative features mentioned in the claims.

Claims (8)

1. A wind instrument perforating device, comprising an operating table (1), a discharging seat (2), a first support frame (3), a supporting carriage (5) and a perforator (6), on the operating table (1) A discharge seat (2) is connected, a first support frame (3) is connected to the operation table (1), a support carriage (5) is slidably connected to the first support frame (3), and the perforator (6) is installed The supporting carriage (5) is characterized in that it further comprises a shielding frame (4), a driving mechanism (7) and an inner wall supporting mechanism (8), and the shielding frame (4) is connected to the first supporting frame (3). , the supporting carriage (5) is located inside the shielding frame (4), the upper part of the first supporting frame (3) is provided with a driving mechanism (7) for driving the perforator (6) to automatically ascend and descend, the driving mechanism (7) and the supporting carriage (5) Sliding connection, the driving mechanism (7) provides a buffering force when the perforator (6) descends to prevent the outer periphery of the perforation position of the wind instrument from cracking, and the inner wall supporting mechanism (8) is arranged on the discharge seat (2), and the inner wall The support mechanism (8) provides support points on the left and right sides of the perforation position of the wind instrument, so as to prevent cracks and collapses on the outer periphery of the perforation position of the wind instrument. 2. A wind instrument perforating device according to claim 1, wherein the driving mechanism (7) comprises an electric push rod (71), a first sliding block (72) and a first spring (73), the first An electric push rod (71) is installed in the middle of the top of the support frame (3), a first sliding block (72) is connected to the lower end of the telescopic rod of the electric push rod (71), and the first sliding block (72) slides with the support carriage (5). A first spring (73) is connected between the front and rear sides of the bottom of the first sliding block (72) and the supporting carriage (5), and the electric push rod (71) drives the first sliding block (72) to expand and contract, The supporting carriage (5) and the perforator (6) are then driven to rise and fall, and when the perforator (6) perforates the wind instrument, the first spring (73) provides a buffering force. 3. A wind instrument perforating device according to claim 1, wherein the inner wall support mechanism (8) comprises a first support block (81), a hollow installation tube (82), a first wedge block (83), The second support frame (84), the sliding sleeve (85), the second spring (86) and the push-pull assembly, the top left side of the discharge seat (2) is connected with a first support block (81), the first support block (81) The upper side of the right wall is connected with a hollow installation tube (82) for covering the wind instrument, the hollow installation tube (82) is located above the discharge seat (2), and two sliding sleeves (85) are connected in the middle of the hollow installation tube (82). A second support frame (84) for supporting the perforation position of the wind instrument is slidably connected between the two sliding sleeves (85). (84) A first wedge-shaped block (83) is connected to the left part, a second spring (86) is connected between the bottom of the sliding sleeve (85) and the lower part of the second support frame (84), and the push-pull assembly is arranged on the hollow installation tube (84). 82) On the left side of the interior, the push-pull assembly is slidably connected to the upper part of the first support block (81), the push-pull assembly is in contact with the first wedge-shaped block (83), and the push-pull assembly drives the second support frame (84) through the first wedge-shaped block (83). ) moves upward, and the second support frame (84) moved upward provides support points for the left and right sides of the perforation position of the wind instrument. 4. A wind instrument perforating device according to claim 3, characterized in that the push-pull assembly comprises a push rod (87) and a second wedge block (88), and the left part of the hollow installation tube (82) is slidably connected with a The push rod (87), the left part of the push rod (87) is slidably connected with the upper part of the first support block (81), the right end of the push rod (87) is connected with a second wedge block (88), and the bottom of the first wedge block (83) In contact with the second wedge block (88), the second wedge block (88) moves to the right and pushes the first wedge block (83) and the second support frame (84) to move upward. 5. A wind instrument perforating device according to claim 1, further comprising a vertical limiting mechanism (9) for clamping the circumferential outer wall of the wind instrument, the vertical limiting mechanism (9) comprising a hollow sleeve The tube (91), the movable rod (92), the clamping block (93), the third spring (94) and the fourth spring (95), and the left and right sides of the lower part of the support carriage (5) are connected with hollow sleeves (91) , a movable rod (92) is slidably connected to the inner side of the two hollow sleeves (91), and a clamping block (93) is slidably connected to the left and right sides of the lower part of the first support frame (3), and the movable rod (92) is downward Move and squeeze the clamping block (93), the clamping block (93) cooperates with the discharge seat (2) to clamp the wind instrument, and the upper and rear sides of the two clamping blocks (93) are connected with the first support frame (3). For the third spring (94), a fourth spring (95) is connected between the inner top of the left hollow sleeve (91) and the top of the left movable rod (92), and the inner top of the right hollow sleeve (91) A fourth spring (95) is connected with the top of the right movable rod (92). 6. A wind instrument perforating device according to claim 5, characterized in that, further comprising a push support mechanism (10) for automatically supporting the left and right sides of the pipe wall perforation position of the wind instrument, and the push support mechanism (10) It includes a sliding rod (101), a wedge-shaped push rod (102) and a fifth spring (103). The top of the first support block (81) is connected with a sliding rod (101), and the sliding rod (101) is slidably connected with a wedge-shaped push rod. Rod (102), the right part of the wedge-shaped push rod (102) is in contact with the left clamping block (93), the left clamping block (93) drives the wedge-shaped push rod (102) to move down, and the wedge-shaped push rod (102) squeezes The push rod (87) moves to the right, a fifth spring (103) is connected between the left part of the wedge push rod (102) and the top of the first support block (81), and the fifth spring (103) is sleeved on the sliding rod (101). )superior. 7. A wind instrument perforating device according to claim 1, characterized in that it further comprises a transverse limiting mechanism (11) for limiting the left and right ends of the wind instrument, and the transverse limiting mechanism (11) includes a friction Plate (111), sliding block (112), threaded rod (113), second sliding block (114), telescopic block (115), sixth spring (116) and rotating friction disc (117), operating table ( 1) A friction plate (111) is connected to the front side of the top, a sliding block (112) is slidably connected to the upper part of the operating table (1), and the upper part of the sliding block (112) is slidably connected to the discharge seat (2). (1) A second sliding block (114) is slidably connected to the upper part, and a threaded rod (113) is threadedly connected to the front of the sliding block (112) and the front of the second sliding block (114). The two threaded rods ( 113) The lower part is rotatably connected with a rotating friction plate (117), and the rotating friction plate (117) moves downward and contacts with the friction plate (111) to limit the sliding block (112) and the second sliding block (114), A telescopic stop (115) is slidably connected to the rear upper side of the second sliding block (114), the upper part of the telescopic stop (115) is slidably connected to the discharge seat (2), and the sliding stop (112) and the telescopic stop (115) Move toward each other to limit the left and right ends of the wind instrument, and a sixth spring (116) is connected between the rear part of the telescopic block (115) and the upper side of the rear part of the second sliding block (114). 8. A wind instrument perforating device according to claim 3, characterized in that it further comprises a load-bearing mechanism (12) for supporting the right end of the hollow installation pipe (82), and the load-bearing mechanism (12) comprises a slide rail (121) , the second support block (122) and the pull rod (123), a slide rail (121) is connected to the right side of the top of the console (1), and a slide rail (121) is slidably connected to support the right end of the hollow installation tube (82). A second support block (122), the second support block (122) is in contact with the right end of the hollow installation tube (82), and a pull rod (123) is connected to the front wall of the second support block (122).

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