CN107983998A

CN107983998A - A kind of appendix drilling jig

Info

Publication number: CN107983998A
Application number: CN201711460334.7A
Authority: CN
Inventors: 俞中兴
Original assignee: XINCHANG GREAT WALL AIR CONDITION PARTS CO Ltd
Current assignee: XINCHANG GREAT WALL AIR CONDITION PARTS CO Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2018-05-04

Abstract

The present invention provides a kind of appendix drilling jig, is related to hardware manufacture field.The appendix drilling jig, including platen, the corner of the platen bottom at the top of buffer with being fixedly connected, the buffer is internally provided with buffer stopper, the inside of the buffer and hydraulic oil is provided with the top of the buffer stopper, the bottom of the buffer stopper is fixedly connected with the top of buffer bar, and the bottom of the buffer bar is through buffer and extends to the lower section of buffer with being fixedly connected at the top of fixed block, and the bottom of the fixed block at the top of base with being fixedly connected.The appendix drilling jig, when motor drives screw rod to rotate, so that fixed link is moved with movable block along screw surface, easy to drive buffing pad to act, and then drive cushion pad to be used cooperatively with placement rack by mobile column, easy to be clamped fixation to appendix, without manually being gripped, processing efficiency is not only improved, but also reduces the influence to machining accuracy.

Description

A kind of appendix drilling jig

Technical field

The present invention relates to hardware processing technique field, is specially a kind of appendix drilling jig.

Background technology

Five metalworkings are exactly by raw material (stainless steel, copper material, aluminium material, iron charge), with lathe, milling machine, drilling machine, polishing etc. Machinery is processed into various parts by the drawing or sample of client, such as：Screw, motor drive shaft, model car part, angling gears Accessory, speaker class product casing, movable power shell etc..Hardware work flow is exactly to be needed to carry out sawing sheet according to production, is held successfully Some such as small accessory productions can remove punching machine and then carry out cutting or CNC working processes later.Wherein gas utensil gas transmission It is metal circular tube that pipe is general, due to need of work, is usually required for setting cinclides in gas utensil gas transmission pipe outer wall, and in pipe Hole is processed on outer wall and is usually required for dedicated drilling equipment.

Mostly lack exclusive clamps using manually appendix is held when carrying out drilling operation to gas transmission pipe outer wall in market at present Tool is clamped fixation to it, so as to not only reduce processing efficiency, but also influences machining accuracy.

The content of the invention

(1) technical problem solved

In view of the deficiencies of the prior art, the present invention provides a kind of appendix drilling jig, solve mentioned above Mostly using manually appendix is held when carrying out drilling operation to gas transmission pipe outer wall in market at present, lack special fixture to its into Row is fixedly clamped, so that processing efficiency is not only reduced, but also the problem of influence machining accuracy.

(2) technical solution

In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of appendix drilling jig, bag Platen is included, with being fixedly connected at the top of buffer, the buffer is internally provided with buffering for the corner of the platen bottom Block, the inside of the buffer and is provided with hydraulic oil at the top of the buffer stopper, the bottom of the buffer stopper and buffer bar Top is fixedly connected, and the bottom of the buffer bar, which runs through buffer and extends to the lower section of buffer and the top of fixed block, to be fixed Connection, the bottom of the fixed block at the top of base with being fixedly connected.

The left and right sides of the table top is installed with fixed seat, and placement is provided with the top of the fixed seat Seat, the top of the platen and is provided with riser positioned at the rear of fixed seat, and the positive top of riser is installed with horizontal stroke Plate, is provided with motor at the top of the transverse slat, the bottom of the motor is fixedly connected with the top of screw rod, the bottom of the screw rod Through transverse slat and extend to transverse slat lower section with being fixedly connected at the top of limited block, the surface of the screw rod is socketed with movable block, Fixed link is equipped with left and right sides of the movable block, the one end of the fixed link away from movable block is installed with supporting block, With being fixedly connected at the center at the top of fixed plate, the bottom of the fixed plate and the top of buffing pad are consolidated for the bottom of the supporting block Fixed connection.

The buffing pad is internally provided with mobile column, and the bottom of the mobile column through buffing pad and extends to buffing pad Lower section with being fixedly connected at the top of movable plate, the bottom of the movable plate is provided with cushion pad, and the fixed plate is away from screw rod Side be provided with guide block, the second guide rod, the top of second guide rod and the bottom of transverse slat are provided with above the guide block It is fixedly connected, the bottom of second guide rod is through guide block and extends to the lower section of guide block with being fixedly connected at the top of baffle, institute Motor is stated to be electrically connected with external control panel.

Preferably, the buffing pad is internally provided with partition plate, and the bottom of the partition plate and the top of mobile column fix and connect Connect, the inside of the buffing pad and offer sliding slot, the left and right sides and position of the mobile column positioned at the left and right sides of partition plate The internal symmetry of buffing pad is provided with roller rod, the one end of the roller rod away from mobile column is connected with roller, described The surface of roller and the inner wall of sliding slot are slidably connected, and the corner at the top of the partition plate is fixedly connected with the bottom of compression bar, described The top of compression bar is through damper and extends to the inside of damper.

Preferably, the damper is internally provided with briquetting, and the bottom of the briquetting is fixedly connected in the top of compression bar, The top of the briquetting is fixedly connected with one end of spring, and the other end of the spring is fixed with the top of damper inner wall to be connected Connect, the opening of the damper is provided with fixture block.

Preferably, the opening of the buffer is provided with block, and the junction of block and buffer bar offers and delays The circular hole that jumper bar is adapted.

Preferably, U-board is installed with the center of the platen bottom, the U-board is internally provided with first Guide rod, the top of first guide rod are installed with limiting plate, and the bottom of first guide rod through U-board and extends to U The lower section of shape plate at the top of base with being fixedly connected.

Preferably, the surface of the motor is provided with retainer ring, the left and right sides of the retainer ring and the top of transverse slat it Between be provided with supporting rack.

Preferably, the junction of the transverse slat and screw rod offers rod aperture, and being internally provided with for rod aperture is mutually fitted with screw rod The bearing matched somebody with somebody.

Preferably, the movable block and screw rod, and movable block offers the spiral shell being adapted with screw rod with the junction of screw rod Pit.

Preferably, the guide block offers the through hole being adapted with the second guide rod, and through hole with the junction of the second guide rod Inner wall be arranged to smooth surface.

(3) beneficial effect

The present invention provides a kind of appendix drilling jig.Possesses following beneficial effect：

1st, appendix drilling jig, by the fixed seat being located at left and right sides of table top of setting and positioned at solid Placement rack at the top of reservation, and pass through the movable block for being socketed in screw surface of setting and consolidating at left and right sides of movable block Fixed pole, while the fixed plate being fixedly connected with supporting block by setting and the buffing pad positioned at fixed plate bottom, and pass through The movable plate for being located at mobile column bottom and the cushion pad positioned at movable plate bottom of setting set, so that when motor drives spiral shell Bar rotates so that fixed link is moved with movable block along screw surface, easy to drive buffing pad to act, and then passes through mobile column band Dynamic cushion pad is used cooperatively with placement rack, easy to be clamped fixation to appendix, without manually being gripped, is not only improved and is added Work efficiency rate, and reduce the influence to machining accuracy.

2nd, the appendix drilling jig, by setting inside buffing pad and be fixedly connected with mobile column every Plate, and the mobile column left and right sides and the roller rod inside buffing pad, while being located at by setting are located at by setting The one end of roller rod away from mobile column and the roller being slidably connected with sliding slot inner wall, so as to drive roller along cunning by mobile column Groove inner wall slides, and effectively improves the stability of mobile column, prevents mobile column from rocking.

3rd, the appendix drilling jig, passes through inside buffing pad and the subtracting positioned at partition plate top corner of setting Device, and the spring being located inside damper by setting and the briquetting being fixedly connected with compression bar are shaken, while passes through setting Positioned at the fixture block of damper opening, so that when partition plate drives compression bar action so that compression bar drives briquetting to act spring, Easy to, into row buffering, improve stability to partition plate.

4th, the appendix drilling jig, by the U-board at platen bottom centre of setting, and passes through setting Through U-board and extend to below U-board with the first guide rod being fixedly connected at the top of base, while be located at the by setting The limiting plate on one guide rod top, so as to drive U-board to be slided along the surface of the first guide rod by platen, effectively improves platen Stability, prevents platen transverse vibration.

5th, the appendix drilling jig, is located at guide block of the fixed plate away from screw rod side by setting, and by setting The second guide rod above guide block put, while the top below guide block with baffle through guide block and is extended to by the second guide rod Portion is fixedly connected, so that when motor drive buffing pad action, makes it drive guide block to be slided along the surface of the second guide rod, effectively right Buffing pad carries out spacing, stability when raising buffing pad moves.

Brief description of the drawings

Fig. 1 is structure front view of the present invention；

Fig. 2 is structural side view of the present invention；

Fig. 3 is the internal structure schematic diagram of buffer of the present invention；

Fig. 4 is the internal structure schematic diagram of buffing pad of the present invention；

Fig. 5 is the internal structure schematic diagram of damper of the present invention.

In figure：1 platen, 2 buffers, 3 buffer stoppers, 4 hydraulic oil, 5 buffer bars, 6 blocks, 7 fixed blocks, 8 bases, 9U shapes Plate, 10 first guide rods, 11 limiting plates, 12 fixed seats, 13 placement racks, 14 risers, 15 transverse slats, 16 motors, 17 retainer rings, 18 supports Frame, 19 screw rods, 20 limited blocks, 21 movable blocks, 22 fixed links, 23 supporting blocks, 24 fixed plates, 25 buffing pads, 2501 partition plates, 2502 Sliding slot, 2503 roller rods, 2504 rollers, 2505 compression bars, 2506 dampers, 250601 briquettings, 250602 springs, 250603 cards Block, 26 mobile columns, 27 movable plates, 28 cushion pads, 29 guide blocks, 30 second guide rods, 31 baffles.

Embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment, belongs to the scope of protection of the invention.

The embodiment of the present invention provides a kind of appendix drilling jig, as shown in Figs. 1-5, including platen 1,1 bottom of platen Top of the corner with buffer 2 be fixedly connected, buffer 2 is internally provided with buffer stopper 3, the inside and position of buffer 2 The top of buffer stopper 3 is provided with hydraulic oil 4, the bottom of buffer stopper 3 is fixedly connected with the top of buffer bar 5, the bottom of buffer bar 5 End is through buffer 2 and extends to the lower section of buffer 2 and is fixedly connected with the top of fixed block 7, the opening setting of buffer 2 There is block 6, and block 6 offers the circular hole being adapted with buffer bar 5 with the junction of buffer bar 5, and not only buffer bar 5 is carried out It is spacing, and the stability that buffer bar 5 acts is improved, the bottom of fixed block 7 is fixedly connected with the top of base 8, passes through buffering Bar 5 drives buffer stopper 3 to act hydraulic oil 4, by the damping action of hydraulic oil 4, effectively to the vibrations that platen 1 is subject into Row buffering, is installed with U-board 9 at the center of 1 bottom of platen, U-board 9 is internally provided with the first guide rod 10, and first leads The top of bar 10 is installed with limiting plate 11, the bottom of the first guide rod 10 through U-board 9 and extend to the lower section of U-board 9 with The top of base 8 is fixedly connected, so as to drive U-board 9 to be slided along the surface of the first guide rod 10 by platen 1, is effectively improved The stability of platen 1, prevents 1 transverse vibration of platen.

The left and right sides at the top of platen 1 is installed with fixed seat 12, and the top of fixed seat 12 is provided with placement rack 13, The top of placement rack 13 opens up fluted, the top of platen 1 and the rear of fixed seat 12 is provided with riser 14, riser 14 is just Transverse slat 15 is installed with the top of face, the top of transverse slat 15 is provided with motor 16, the model of motor 16：Y90S-4, motor 16 refer to realize electric energy conversion or a kind of calutron transmitted according to the law of electromagnetic induction, its main function is to produce driving Torque, as electrical appliance or various mechanical power sources, the surface of motor 16 is provided with retainer ring 17, the left and right two of retainer ring 17 Supporting rack 18 is provided between side and the top of transverse slat 15, by being used cooperatively between supporting rack 18 and retainer ring 17, is effectively improved The stability of motor 16, prevents motor 16 from loosening, and the bottom of motor 16 is fixedly connected with the top of screw rod 19, the bottom of screw rod 19 It is fixedly connected through transverse slat 15 and the lower section that extends to transverse slat 15 with the top of limited block 20, the junction of transverse slat 15 and screw rod 19 Offer rod aperture, and rod aperture is internally provided with the bearing being adapted with screw rod 19, so as to reduce between screw rod 19 and transverse slat 15 Friction, the surface of screw rod 19 is socketed with movable block 21, movable block 21 and screw rod 19, and movable block 21 and the junction of screw rod 19 are opened Equipped with the threaded hole being adapted with screw rod 19, what portable propelling block 21 was stablized as screw rod 19 rotates moves along 19 surface of screw rod Dynamic, the left and right sides of movable block 21 is equipped with fixed link 22, and the one end of fixed link 22 away from movable block 21 is installed with support Block 23, the bottom of supporting block 23 at the center at the top of fixed plate 24 with being fixedly connected, bottom and the buffing pad 25 of fixed plate 24 Top is fixedly connected.

Buffing pad 25 is internally provided with mobile column 26, and buffing pad 25 is internally provided with partition plate 2501, partition plate 2501 Bottom is fixedly connected with the top of mobile column 26, the inside of buffing pad 25 and offers cunning positioned at the left and right sides of partition plate 2501 Groove 2502, the left and right sides of mobile column 26 and the internal symmetry positioned at buffing pad 25 are provided with roller rod 2503, roller rod 2503 One end away from mobile column 26 is connected with roller 2504, and the surface of roller 2504 and the inner wall of sliding slot 2502 are slidably connected, So as to drive roller 2504 to be slided along 2502 inner wall of sliding slot by mobile column 26, the stability of mobile column 26 is effectively improved, is prevented Only mobile column 26 is rocked, and bottom of the corner at the top of partition plate 2501 with compression bar 2505 is fixedly connected, and the top of compression bar 2505 is passed through Wear damper 2506 and extend to the inside of damper 2506, damper 2506 is internally provided with briquetting 250601, briquetting 250601 bottom is fixedly connected in the top of compression bar 2505, and the top of briquetting 250601 is fixed with one end of spring 250602 to be connected Connect, the other end of spring 250602 is fixedly connected with the top of 2506 inner wall of damper, so that when partition plate 2501 drives compression bar 2505 actions so that compression bar 2505 drives briquetting 250601 to act spring 250602, easy to delay to partition plate 2501 Punching, improves stability, and the opening of damper 2506 is provided with fixture block 250603, and spacing, movement is effectively carried out to compression bar 2505 The bottom of column 26 is through buffing pad 25 and extends to the lower section of buffing pad 25 and is fixedly connected with the top of movable plate 27, movable plate 27 Bottom be provided with cushion pad 28, cushion pad 28 is located at the surface of placement rack 13, and side of the fixed plate 24 away from screw rod 19 is set Guide block 29 is equipped with, the top of guide block 29 is provided with the second guide rod 30, and the top of the second guide rod 30 is fixed with the bottom of transverse slat 15 to be connected Connect, the bottom of the second guide rod 30 is through guide block 29 and extends to the lower section of guide block 29 and is fixedly connected with the top of baffle 31, guide block 29 offer the through hole being adapted with the second guide rod 30 with the junction of the second guide rod 30, and the inner wall of through hole is arranged to smooth song Face, reduces the friction between 29 and second guide rod 30 of guide block, is slided easy to guide block 29 along 30 surface of the second guide rod, motor 16 with it is outer Portion's control panel is electrically connected, by measuring the size for the required pressure value that is fixedly clamped to appendix in advance, so as to chain of command The parameter of intralamellar part is configured, and easy to accurately be controlled motor 16, and then conveniently buffing pad 25 is adjusted.

Operation principle：In use, the appendix for needing to process is placed on the top of placement rack 13, when motor 16 drives screw rod 19 rotate so that fixed link 22 is moved with movable block 21 along 19 surface of screw rod, easy to drive buffing pad 25 to act, and then is passed through Mobile column 26 drives cushion pad 27 to be used cooperatively with placement rack 13, easy to be clamped fixation to appendix, passes through mobile column 26 Drive roller 2504 to be slided along 2502 inner wall of sliding slot, effectively improve the stability of mobile column 26, prevent mobile column 26 from rocking, and And when partition plate 2501 drives compression bar 2505 to act so that compression bar 2505 drives briquetting 250601 to spring 250602 into action Make, easy to, into row buffering, after being fixedly clamped to appendix, drilling operation be carried out to it by boring bar tool to partition plate 2501.

In conclusion the appendix drilling jig, passes through the fixed seat 12 positioned at the top of platen 1 left and right sides of setting And the placement rack 13 positioned at the top of fixed seat 12, and by the movable block 21 for being socketed in 19 surface of screw rod of setting and be located at The fixed link 22 of the left and right sides of movable block 21, while by the fixed plate 24 being fixedly connected with supporting block 23 of setting and be located at The buffing pad 25 of 24 bottom of fixed plate, and being moved positioned at the movable plate 27 of 26 bottom of mobile column and being located at for setting by setting The cushion pad 28 of 27 bottom of movable plate, so that when motor 16 drives screw rod 19 to rotate so that fixed link 22 is with movable block 21 along spiral shell 19 surface of bar is moved, and easy to drive buffing pad 25 to act, and then drives cushion pad 27 to coordinate with placement rack 13 by mobile column 26 Use, easy to be clamped fixation to appendix, without manually being gripped, not only improve processing efficiency, but also reduction pair adds The influence of work precision.

Secondly, by setting inside buffing pad 25 and the partition plate 2501 that is fixedly connected with mobile column 26, and lead to Spend the roller rod 2503 at left and right sides of mobile column 26 and inside buffing pad 25 set, while being located at by setting The one end of roller rod 2503 away from mobile column 26 and the roller 2504 being slidably connected with 2502 inner wall of sliding slot, so as to pass through mobile column 26 drive roller 2504 to be slided along 2502 inner wall of sliding slot, effectively improve the stability of mobile column 26, prevent mobile column 26 from rocking.

Also, by setting inside buffing pad 25 and damper 2506 that be located at partition plate 2501 top corner, And the spring 250602 being located inside damper 2506 by setting and the briquetting 250601 being fixedly connected with compression bar 2505, At the same time by the fixture block 250603 positioned at 2506 opening of damper of setting, so that when partition plate 2501 drives compression bar 2505 dynamic Make so that compression bar 2505 drives briquetting 250601 to act spring 250602, easy to, into row buffering, be improved to partition plate 2501 Stability.

Also, through U-board 9 and prolong by the U-board 9 at 1 bottom centre of platen of setting, and by setting The first guide rod 10 that the lower section of U-board 9 is fixedly connected with the top of base 8 is extended, while the first guide rod 10 is located at by setting The limiting plate 11 on top, so as to drive U-board 9 to be slided along the surface of the first guide rod 10 by platen 1, effectively improves platen 1 Stability, prevent 1 transverse vibration of platen.

Also, guide block 29 of the fixed plate 24 away from 19 side of screw rod is located at by setting, and is led by being located at for setting Second guide rod 30 of the top of block 29, while the lower section of guide block 29 and baffle 31 through guide block 29 and are extended to by the second guide rod 30 Top is fixedly connected, and is driven buffing pad 25 to act so as to work as motor 16, its is driven surface of the guide block 29 along the second guide rod 30 Slide, spacing, stability when raising buffing pad 25 moves effectively is carried out to buffing pad 25.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment Intrinsic key element.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of appendix drilling jig, including platen (1), the top of the corner of platen (1) bottom with buffer (2) Portion is fixedly connected, it is characterised in that：The buffer (2) is internally provided with buffer stopper (3), the inside of the buffer (2) And hydraulic oil (4) is provided with the top of buffer stopper (3), the bottom and the top of buffer bar (5) of the buffer stopper (3) are fixed Connection, the bottom of the buffer bar (5) through buffer (2) and extend to the lower section of buffer (2) and the top of fixed block (7) It is fixedly connected, the bottom of the fixed block (7) at the top of base (8) with being fixedly connected；

The left and right sides at the top of the platen (1) is installed with fixed seat (12), and the top of the fixed seat (12) is set There is a placement rack (13), the top of the platen (1) and the rear of fixed seat (12) is provided with riser (14), the riser (14) positive top is installed with transverse slat (15), and motor (16), the motor are provided with the top of the transverse slat (15) (16) bottom is fixedly connected with the top of screw rod (19), and the bottom of the screw rod (19) through transverse slat (15) and extends to transverse slat (15) with being fixedly connected at the top of limited block (20), the surface of the screw rod (19) is socketed with movable block (21), described for lower section Fixed link (22) is equipped with left and right sides of movable block (21), peace is fixed in the one end of the fixed link (22) away from movable block (21) Equipped with supporting block (23), the bottom of the supporting block (23) at the center at the top of fixed plate (24) with being fixedly connected, the fixation The bottom of plate (24) at the top of buffing pad (25) with being fixedly connected；

The buffing pad (25) is internally provided with mobile column (26), and buffing pad (25) is run through simultaneously in the bottom of the mobile column (26) The lower section of buffing pad (25) is extended to being fixedly connected at the top of movable plate (27), the bottom of the movable plate (27) is provided with slow Punching pad (28), side of the fixed plate (24) away from screw rod (19) are provided with guide block (29), are set above the guide block (29) The second guide rod (30) is equipped with, the top of second guide rod (30) is fixedly connected with the bottom of transverse slat (15), second guide rod (30) bottom is through guide block (29) and extends to the lower section of guide block (29) with being fixedly connected at the top of baffle (31), the motor (16) it is electrically connected with external control panel.

A kind of 2. appendix drilling jig according to claim 1, it is characterised in that：The inside of the buffing pad (25) Partition plate (2501) is provided with, the bottom of the partition plate (2501) at the top of mobile column (26) with being fixedly connected, the buffing pad (25) inside and sliding slot (2502), the left and right two of the mobile column (26) are offered positioned at the left and right sides of partition plate (2501) Side and internal symmetry positioned at buffing pad (25) is provided with roller rod (2503), the roller rod (2503) is away from mobile column (26) One end be connected with roller (2504), the surface of the roller (2504) and the inner wall of sliding slot (2502) are slidably connected, institute State bottom of the corner at the top of partition plate (2501) with compression bar (2505) to be fixedly connected, the top of the compression bar (2505), which is run through, to be subtracted Shake device (2506) simultaneously extends to the inside of damper (2506).

A kind of 3. appendix drilling jig according to claim 2, it is characterised in that：The damper (2506) it is interior Portion is provided with briquetting (250601), and the bottom of the briquetting (250601) is fixedly connected in the top of compression bar (2505), the pressure The top of block (250601) is fixedly connected with one end of spring (250602), the other end and damper of the spring (250602) (2506) top of inner wall is fixedly connected, and the opening of the damper (2506) is provided with fixture block (250603).

A kind of 4. appendix drilling jig according to claim 1, it is characterised in that：The opening of the buffer (2) Place is provided with block (6), and block (6) offers the circular hole being adapted with buffer bar (5) with the junction of buffer bar (5).

A kind of 5. appendix drilling jig according to claim 1, it is characterised in that：In platen (1) bottom U-board (9) is installed with the heart, the U-board (9) is internally provided with the first guide rod (10), first guide rod (10) Top be installed with limiting plate (11), the bottom of first guide rod (10) through U-board (9) and extends to U-board (9) Lower section with being fixedly connected at the top of base (8).

A kind of 6. appendix drilling jig according to claim 1, it is characterised in that：The surface of the motor (16) is set Retainer ring (17) is equipped with, supporting rack (18) is provided between the left and right sides of the retainer ring (17) and the top of transverse slat (15).

A kind of 7. appendix drilling jig according to claim 1, it is characterised in that：The transverse slat (15) and screw rod (19) junction offers rod aperture, and rod aperture is internally provided with the bearing being adapted with screw rod (19).

A kind of 8. appendix drilling jig according to claim 1, it is characterised in that：The movable block (21) and screw rod (19), and movable block (21) offers the threaded hole being adapted with screw rod (19) with the junction of screw rod (19).

A kind of 9. appendix drilling jig according to claim 1, it is characterised in that：The guide block (29) is led with second The junction of bar (30) offers the through hole being adapted with the second guide rod (30), and the inner wall of through hole is arranged to smooth surface.