Row-up tapping machine for bicycle frame

Abstract

The utility model relates to the technical field of frame trepanning, in particular to a row trepanning machine for a bicycle frame, which comprises a horizontally arranged bottom plate and a second driving motor vertically suspended above the bottom plate, an output shaft of the second driving motor is vertical, the output shaft of the second driving motor faces the bottom plate, and the end face of the second driving motor is detachably connected with a drill bit. An annular thickening part is arranged on the peripheral wall of the end of an output shaft of the second driving motor, a first sliding groove communicating with the two end faces is formed in the peripheral wall of the annular thickening part, the peripheral wall of the annular thickening part is sleeved with a fixing sleeve with one closed end, the drill bit penetrates into the closed end of the fixing sleeve, and a fixing block is arranged on the inner wall of the fixing sleeve. And the fixing block is matched with the first sliding groove and can slide in the first sliding groove, the surface, close to the bottom plate, of the fixing block can be attached to the end face, away from the bottom plate, of the annular thickening part, the fixing sleeve can fix the drill bit to the end of an output shaft of the second driving motor, and the effect that the drill bit is convenient to replace and maintain is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of frame hole opening, in particular to a row hole opening machine for bicycle frame. BACKGROUND

[0002] At present, with the acceleration of urbanization, the short-distance travel demand of urban residents is increasing. Electric bicycles become the ideal choice for urban residents to travel for daily commuting, shopping and other short-distance travel due to their convenience and flexibility. The battery of the electric bicycle is installed in the frame, and the battery will generate heat during use, which needs to be cooled through the row of holes.

[0003] The existing puncher includes a workbench, a plurality of punching devices arranged on the workbench, and a fixing device arranged on the upper surface of the workbench. The drill bit is fixed to the punching device by bolts. When punching the frame, the frame is placed on the workbench and fixed by the fixing device. The row of cooling holes is opened at one time by the plurality of punching devices.

[0004] The existing technical solution in the above has the following defects: During the punching process of the puncher on the frame, the frame is made of alloy material. The drill bit will be greatly worn out during the repeated punching process for a long time. Because the drill bit is fixed to the motor by bolts, tools such as wrenches and screwdrivers are needed to disassemble and repair the drill bit. The steps are complicated and not conducive to the replacement and repair of the drill bit. Content of the utility model

[0005] The present application provides a row hole opening machine for bicycle frame to facilitate the replacement and repair of the drill bit.

[0006] The above technical purpose of the present application is achieved by the following technical solution:

[0007] The row hole opening machine for bicycle frame comprises a horizontal bottom plate and a second driving motor vertically suspended above the bottom plate and having a vertical output shaft. The second driving motor output shaft faces the bottom plate and has a detachable drill bit connected to the end face. The second driving motor output shaft end wall is provided with an annular thickening part. The annular thickening part wall is provided with a first sliding groove communicating with the two end faces. An end-closed fixing sleeve is sleeved on the annular thickening part wall. The drill bit penetrates the closed end of the fixing sleeve. The fixing sleeve inner wall is provided with a fixing block. The fixing block is matched with the first sliding groove and can slide in the first sliding groove. The surface of the fixing block close to the bottom plate can be attached to the end face of the annular thickening part away from the bottom plate. The fixing sleeve can fix the drill bit on the second driving motor output shaft end.

[0008] By adopting the technical scheme, the second driving motor is arranged to drive the drill bit to perform the punching operation on the frame, the drill bit is arranged on the end surface of the output shaft of the second driving motor, the fixed sleeve is arranged on the peripheral wall of the annular thickened portion, the drill bit penetrates into the closed end of the fixed sleeve, the fixed block is arranged in the first sliding groove, and the surface of the fixed block close to the bottom plate is flush with the end surface of the annular thickened portion away from the bottom plate, the fixed sleeve is rotated, the fixed block is clamped on the side of the annular thickened portion away from the bottom plate, the inner wall of the closed end of the fixed sleeve is abutted with the end surface of the output shaft of the second driving motor, and the drill bit is detachably fixed on the end portion of the output shaft of the second driving motor, so that the drill bit is convenient to maintain and replace.

[0009] Optionally, the annular thickened portion is provided with a baffle in a ring shape at the side away from the bottom plate, the inner wall of the baffle is fixedly connected with the peripheral wall of the second driving motor output shaft, the baffle and the annular thickened portion are slidably sleeved with a movable ring, a fixed notch is formed in the end surface of the movable ring away from the baffle, the fixed notch is arranged at intervals with the first sliding groove, the fixed block is adapted with the fixed notch and can be inserted into the fixed notch, a plurality of springs are arranged between the baffle and the movable ring, one end of the spring is fixedly connected with the surface of the baffle, and the other end is fixedly connected with the end surface of the movable ring.

[0010] By adopting the technical scheme, when the surface of the fixed block away from the drill bit is abutted with the end surface of the movable ring, the fixed sleeve is continuously moved to the direction close to the sliding plate, the movable ring is slid, the spring is compressed, the fixed sleeve is rotated, the fixed block is moved to the fixed notch, the spring is released, the fixed block is inserted into the fixed notch, the position of the fixed sleeve is locked by the movable ring, and the possibility that the fixed sleeve is rotated during the punching process to cause the drill bit to be separated from the second driving motor is reduced.

[0011] Optionally, a second sliding groove is formed in the peripheral wall of the annular thickened portion, a sliding piece is arranged on the end surface of the movable ring close to the annular thickened portion, the sliding piece is adapted with the second sliding groove and can slide in the second sliding groove, and the sliding piece is located at the side of the fixed notch away from the first sliding groove.

[0012] By adopting the technical scheme, the possibility that the movable ring is rotated during the sliding process is reduced.

[0013] Optionally, the side wall of the sliding piece close to the first sliding groove is flush with the side wall of the fixed notch away from the first sliding groove.

[0014] By adopting the technical scheme, the fixed sleeve is sleeved on the annular thickened portion, the side wall of the sliding member is flush with the side wall of the fixed gap when the fixed sleeve rotates, the fixed block can be quickly positioned in the fixed gap, the position of the fixed sleeve is locked, and the possibility that the fixed sleeve rotates and causes the drill bit to separate from the second driving motor during drilling is reduced.

[0015] Optionally, a mounting hole is formed on the end face of the output shaft of the second driving motor, one end of the drill bit is processed into a conical shape, and a plug-in plate is coaxially and fixedly connected to the other end of the drill bit.

[0016] By adopting the technical scheme, the plug-in plate is arranged, the fixed sleeve is sleeved on the peripheral wall of the annular thickened portion, the inner wall of the closed end of the fixed sleeve is attached to the end face of the second driving motor, the drill bit penetrates into the closed end of the fixed sleeve, the closed end of the fixed sleeve fixes the plug-in plate in the mounting hole, and thus the drill bit is detachably mounted on the end face of the output shaft of the second driving motor.

[0017] Optionally, a limiting square hole is formed in the bottom of the mounting hole, a plug-in block is fixedly connected to the plate face of the plug-in plate away from the drill bit, and the plug-in block is matched with the limiting square hole and can be inserted into the limiting hole.

[0018] By adopting the technical scheme, the plug-in block and the limiting square hole can reduce the possibility that the drill bit slips with the output shaft of the second driving motor during rotation and drilling.

[0019] Optionally, four support columns are vertically arranged on the plate face of the bottom plate, an installation plate is fixedly connected to the upper end face of the support column, a sliding plate is slidingly arranged between the installation plate and the bottom plate, an electric push rod is arranged on the plate face of the installation plate, the pushing rod of the electric push rod is fixedly connected to the plate face of the installation plate and the sliding plate, and at least three second driving motors are arranged on the plate face of the sliding plate away from the bottom plate.

[0020] By adopting the technical scheme, the support column, the installation plate, the electric push rod and the sliding plate are arranged, the electric push rod can slide the sliding plate in the direction perpendicular to the plate face of the bottom plate, the second driving motor rotates to drive the drill bit to perform the drilling operation on the frame clamped and fixed between the bottom plate and the sliding plate, and at least three second driving motors can complete the formation of the row of cooling holes at one time, thereby improving the drilling efficiency.

[0021] Optionally, strip-shaped holes are formed on both sides of the support column on the plate face of the bottom plate, a lead screw is rotatably arranged in the strip-shaped hole, two threaded sleeves are threadedly connected to the peripheral wall of the lead screw, the rotation of the lead screw can make the two threaded sleeves approach or move away from each other, clamping rods are vertically fixedly connected to the end portions of the side walls of the threaded sleeves, and the clamping rods fixed to the two threaded sleeves approach each other.

[0022] By adopting the technical scheme, the lead screw is rotated to drive the two threaded sleeves sleeved on the lead screw to move close to each other, drive the clamping rod to clamp and fix the vehicle frame placed on the fixed plate, and facilitate subsequent punching operation on the vehicle frame.

[0023] Optionally, the lead screws at two ends are opposite in screw rotation direction, and the two threaded sleeves are located at two ends of the lead screw.

[0024] By adopting the technical scheme, the lead screw opposite in screw rotation direction at two ends is rotated to drive the two threaded sleeves sleeved on the lead screw to move close to each other, drive the clamping rod to clamp and fix the vehicle frame placed on the fixed plate, and facilitate subsequent punching operation on the vehicle frame.

[0025] Optionally, the threaded sleeve further has an inclined reinforcing rod fixedly connected to the side wall of the threaded sleeve, one end of the reinforcing rod is fixedly connected to the side wall of the threaded sleeve, and the other end is fixedly connected to the side wall of the clamping rod.

[0026] By adopting the technical scheme, the reinforcing rod is arranged to strengthen the connection between the clamping rod and the threaded sleeve, and reduce the possibility that the clamping rod is inclined after long-time use, thereby reducing the clamping effect on the vehicle frame.

[0027] In summary, the application has the following technical effects:

[0028] 1. The second driving motor is arranged to rotate to drive the drill bit to punch the vehicle frame, the drill bit is inserted into the end face of the output shaft of the second driving motor, the fixed sleeve is sleeved on the peripheral wall of the annular thickened part, the drill bit penetrates into the closed end of the fixed sleeve, the fixed block slides in the first sliding groove until the surface of the fixed block close to the bottom plate is flush with the end face of the annular thickened part away from the bottom plate, the fixed sleeve is rotated, the fixed block is clamped on the side of the annular thickened part away from the bottom plate, the inner wall of the closed end of the fixed sleeve abuts against the end face of the output shaft of the second driving motor, and the fixed sleeve detachably fixes the drill bit on the end portion of the output shaft of the second driving motor, so that the drill bit is convenient to maintain and replace.

[0029] 2. The fixed block is arranged to abut against the end face of the movable ring when the surface of the fixed block away from the drill bit abuts against the end face of the movable ring, the fixed sleeve is continuously moved toward the sliding plate to slide the movable ring and compress the spring, the fixed sleeve is rotated to move the fixed block to the fixed gap, the spring is released, the fixed block is inserted into the fixed gap, and the movable ring locks the position of the fixed sleeve, so that the possibility that the fixed sleeve is rotated to separate the drill bit from the second driving motor during punching is reduced.

[0030] 3. By setting the support column, mounting plate, electric push rod and sliding plate, the electric torch push rod can slide along the direction perpendicular to the bottom plate surface, the second drive motor rotates to drive the drill bit, and the frame clamped and fixed between the bottom plate and the sliding plate is perforated, at least three second drive motors can complete the opening of the row of cooling holes at one time, and the perforation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is the outer shape structure diagram of the application;

[0032] Figure 2 is the structure diagram of the bar-shaped hole of the application;

[0033] Figure 3 is the structure diagram of the perforating assembly of the application.

[0034] Marked for explanation: 1, fixed assembly; 11, bottom plate; 111, bar-shaped hole; 12, lead screw; 13, fixed plate; 131, fixed groove; 14, threaded sleeve; 15, clamping rod; 16, reinforcing rod; 17, first drive motor; 18, support column; 19, mounting plate; 2, perforating assembly; 21, sliding plate; 22, electric push rod; 23, second drive motor; 231, mounting hole; 232, limit square hole; 24, drill bit; 241, plug-in plate; 242, plug-in block; 25, annular thickening part; 251, first sliding groove; 252, second sliding groove; 26, baffle; 27, movable ring; 271, fixed notch; 272, sliding part; 28, fixed sleeve; 281, fixed block. DETAILED DESCRIPTION

[0035] The application will be further described in detail below in combination with the drawings.

[0036] The application discloses a row of hole opening machine for bicycle frame, referring to Figure 1 , the perforating machine comprises a fixed assembly 1 and a perforating assembly 2, the fixed assembly 1 can fix the electric bicycle frame, facilitating subsequent perforation of the electric bicycle frame, and the perforating assembly 2 can open the row of cooling holes at one time, and the perforating drill bit can be detachably installed, facilitating replacement and maintenance of the drill bit.

[0037] Combined with Figure 1 and Figure 2The fixed assembly 1 comprises a horizontal bottom plate 11, a lead screw 12 rotatably arranged in the bottom plate 11, a pair of fixed plates 13 arranged on the upper surface of the bottom plate 11, two threaded sleeves 14 threadedly arranged on the lead screw 12, clamping rods 15 fixed to the outer side walls of the threaded sleeves 14, and reinforcing rods 16 obliquely arranged on the side walls of the threaded sleeves 14. The upper surface of the bottom plate 11 is provided with strip-shaped holes 111 at both ends, and the length direction of the strip-shaped holes 111 is perpendicular to the length direction of the bottom plate 11.

[0038] In combination Figure 1 and Figure 2 , the lead screw 12 is rotatably arranged in the strip-shaped hole 111, the length direction of the lead screw 12 is parallel to the length direction of the strip-shaped hole 111, and the peripheral wall of the lead screw 12 is spaced apart from the hole wall of the strip-shaped hole 111. The lead screw 12 is rotatably embedded in the end walls of the strip-shaped hole 111 at both ends, and the thread rotation directions of the peripheral walls on both sides of the middle part of the lead screw 12 are opposite.

[0039] In combination Figure 1 and Figure 2 , the upper surface of the bottom plate 11 at both strip-shaped holes 111 is fixedly connected with a pair of fixed plates 13, the fixed plates 13 are arranged on both sides of the strip-shaped hole 111, the length direction of the fixed plate 13 is parallel to the length direction of the strip-shaped hole 111, the plate surface of the fixed plate 13 is perpendicular to the upper surface of the bottom plate 11, and the opposite plate surfaces of the two fixed plates 13 are flush with the side walls of the strip-shaped hole 111. A fixed groove 131 adapted to the frame of the electric bicycle is formed in the plate surface of the fixed plate 13 away from the bottom plate 11.

[0040] In combination Figure 1 and Figure 2 , the two threaded sleeves 14 are threadedly connected with the peripheral walls of the lead screw 12 with opposite thread rotation directions, and the rotation of the lead screw 12 can drive the two threaded sleeves 14 to move closer to or away from each other. The threaded sleeve 14 is a square sleeve, and the outer side wall of the threaded sleeve 14 is slidably attached to the hole wall of the strip-shaped hole 111.

[0041] In combination Figure 1 and Figure 2 , the length direction of the clamping rod 15 is perpendicular to the upper surface of the bottom plate 11, the lower end surface of the clamping rod 15 is fixedly connected with the side wall of the threaded sleeve 14 away from the bottom plate 11, and the side wall of each threaded sleeve 14 is fixedly connected with a clamping rod 15. The opposite side walls of the two clamping rods 15 are flush with the end surfaces of the two threaded sleeves 14 that move closer to each other. When the end surfaces of the two threaded sleeves 14 that move away from each other abut against the end walls of the strip-shaped hole 111, the clamping rods 15 are still located between the two fixed plates 13.

[0042] In combination Figure 1 and Figure 2Two reinforcing rods 16 are arranged on the two threaded sleeves 14, the lower ends of the two reinforcing rods 16 are fixedly connected with the outer side wall ends of the two threaded sleeves 14 away from each other, and the upper ends of the two reinforcing rods 16 are fixedly connected with the side walls of the two clamping rods 15 away from each other. The reinforcing rod 16 can strengthen the connection between the clamping rod 15 and the threaded sleeve 14, and reduce the possibility of the clamping rod 15 tilting after long-term use, thereby reducing the clamping effect on the frame.

[0043] In combination Figure 1 and Figure 2 A first driving motor 17 is arranged on the side wall of the bottom plate 11, the output shaft of the first driving motor 17 penetrates the end surface of the bottom plate 11 and is fixedly connected with the lead screw 12 coaxially, the first driving motor 17 can drive the lead screw 12 to rotate, so that the two threaded sleeves 14 are close to or away from each other, and drive the clamping rod 15, thereby clamping and fixing the electric bicycle frame placed in the fixed groove 131, facilitating subsequent punching processing of the bicycle frame.

[0044] In combination Figure 1 and Figure 2 The fixing assembly 1 further comprises four support columns 18 arranged vertically on the upper surface of the bottom plate 11 and a mounting plate 19 arranged horizontally on the upper ends of the support columns 18, the four support columns 18 are located between the two strip-shaped holes 111, the four support columns 18 are distributed in a rectangular shape on the upper surface of the bottom plate 11, and the lower end surface of the support column 18 is fixedly connected with the upper surface of the bottom plate 11. The lower surface of the mounting plate 19 is fixedly connected with the upper end surface of the support column 18 at four corners, and the length direction of the mounting plate 19 is parallel to the length direction of the bottom plate 11.

[0045] In combination Figure 1 and Figure 3 The punching assembly 2 comprises a sliding plate 21 slidingly arranged between the mounting plate 19 and the bottom plate 11, an electric push rod 22 arranged on the upper surface of the mounting plate 19, and a second driving motor 23 arranged on the sliding plate 21. The surface of the sliding plate 21 is parallel to the surface of the mounting plate 19, the length direction of the sliding plate 21 is parallel to the length direction of the mounting plate 19, the four support columns 18 penetrate the sliding plate 21, and the sliding plate 21 is slidingly arranged on the peripheral wall of the support column 18. The housing end of the electric push rod 22 is fixedly connected to the upper surface of the mounting plate 19, the pushing rod end of the electric push rod 22 penetrates the surface of the mounting plate 19 and is fixedly connected with the surface of the sliding plate 21 away from the bottom plate 11, and the electric push rod 22 is provided with two, and the two electric push rods 22 are arranged at the edges on both sides of the length direction of the mounting plate 19.

[0046] In combination Figure 1 and Figure 3The second driving motor 23 is arranged between the two electric push rods 22, and the second driving motor 23 is provided with at least three, the straight line where the three second driving motors 23 are located is parallel to the length direction of the sliding plate 21, and the output shaft end of the second driving motor 23 penetrates into the sliding plate 21 between the sliding plate 21 and the bottom plate 11.

[0047] In combination Figure 1 and Figure 3 , the output shaft end surface of the second driving motor 23 is coaxially provided with a mounting hole 231, the bottom of the mounting hole 231 is provided with a limiting square hole 232, and the length direction of the limiting square hole 232 is parallel to the output shaft axis of the second driving motor 23. A drill bit 24 is inserted in the mounting hole 231 and the limiting square hole 232, the drill bit 24 is a cylinder, one end of the drill bit 24 is processed into a conical shape for drilling, and the other end of the drill bit 24 is coaxially fixedly connected with a disc-shaped insertion plate 241, the insertion plate 241 is adapted to the mounting hole 231 and can be inserted in the mounting hole 231, when the insertion plate 241 is inserted in the mounting hole 231, the plate surface of the insertion plate 241 away from the sliding plate 21 is flush with the output shaft end surface of the second driving motor 23, which facilitates fixing the drill bit 24 on the output shaft of the second driving motor 23.

[0048] In combination Figure 1 and Figure 3 , the plate surface of the insertion plate 241 away from the drill bit 24 is provided with an insertion block 242, the insertion block 242 is adapted to the limiting square hole 232 and can be inserted in the limiting square hole 232, the insertion block 242 and the limiting square hole 232 can reduce the possibility of slippage of the drill bit 24 with the output shaft of the second driving motor 23 during the process of rotating and punching.

[0049] In combination Figure 1 and Figure 3 , a ring-shaped thickened portion 25 is formed on the peripheral wall of the output shaft end of the second driving motor 23, the ring-shaped thickened portion 25 is coaxially arranged with the output shaft of the second driving motor 23, and the end surface of the ring-shaped thickened portion 25 away from the sliding plate 21 is flush with the output shaft end surface of the second driving motor 23. A baffle 26 is sleeved on the peripheral wall of the output shaft of the second driving motor 23 between the ring-shaped thickened portion 25 and the sliding plate 21, the baffle 26 is annular and coaxially arranged with the ring-shaped thickened portion 25, and the inner peripheral wall of the baffle 26 is fixedly connected with the peripheral wall of the output shaft of the second driving motor 23.

[0050] In combination Figure 1 and Figure 3The second driving motor 23 output shaft circumferential wall is sleeved with a movable ring 27 between the baffle 26 and the annular thickened portion 25, the movable ring 27 is a cylinder, and the movable ring 27 inner circumferential wall is in sliding fit with the second driving motor 23 output shaft circumferential wall. A plurality of springs are arranged between the baffle 26 and the movable ring 27, one end of the spring is fixedly connected with the baffle 26 plate surface, the other end is fixedly connected with the movable ring 27 end surface, and the plurality of springs are evenly distributed at equal angles between the baffle 26 and the movable ring 27 with the baffle 26 axis as the center line.

[0051] In combination Figure 1 and Figure 3 , three groups of sliding grooves are arranged on the annular thickened portion 25 circumferential wall, the three groups of sliding grooves are evenly distributed at equal angles on the annular thickened portion 25 circumferential wall with the annular thickened portion 25 axis as the center, each group of sliding grooves includes a first sliding groove 251 communicating the annular thickened portion 25 two end surfaces, and a second sliding groove 252 arranged in the first sliding groove 251. The first sliding groove 251 length direction is parallel to the second driving motor 23 output shaft axis. The second sliding groove 252 length direction is parallel to the first sliding groove 251 length direction, and the second sliding groove 252 communicates the annular thickened portion 25 end surface close to the baffle 26.

[0052] In combination Figure 1 and Figure 3 , the movable ring 27 opposite end surface corresponding position is provided with a sliding part 272 matched with the second sliding groove 252, the sliding part 272 is arranged in the second sliding groove 252 in sliding mode, and the sliding part 272 can reduce the possibility of rotation of the movable ring 27 in the sliding process.

[0053] In combination Figure 1 and Figure 3 , when the drill bit 24 is inserted in the installation hole 231 and the limiting square hole 232, the drill bit 24 and the annular thickened portion 25 circumferential wall are both sleeved with a fixed sleeve 28 for fixing the drill bit 24, the fixed sleeve 28 is a cylinder and one end is closed, a circular hole is coaxially arranged on the fixed sleeve 28 closed end surface, the circular hole is matched with the drill bit 24 circumferential wall, and the drill bit 24 can be inserted into the circular hole. The annular thickened portion 25 circumferential wall is in sliding fit with the fixed sleeve 28 inner circumferential wall.

[0054] In combination Figure 1 and Figure 3The inner wall of the fixed sleeve 28 is provided with three fixed blocks 281, the three fixed blocks 281 are respectively matched with the three first sliding grooves 251, and the fixed blocks 281 can slide in the first sliding grooves 251. The surface of the fixed block 281 away from the closed end of the fixed sleeve 28 is flush with the end face of the fixed sleeve 28. The end face of the movable ring 27 opposite to the annular thickened part 25 is provided with a fixed notch 271, the fixed notch 271 is square, the fixed notch 271 is matched with the fixed block 281, and the fixed block 281 can be inserted into the fixed notch 271.

[0055] In combination Figure 1 and Figure 3 The fixed notch 271 is located on the side of the sliding piece 272 close to the first sliding groove 251, and the side wall of the fixed notch 271 is flush with the side wall of the sliding piece 272. When installing the drill bit 24, the plug-in plate 241 and the plug-in block 242 are respectively inserted into the mounting hole 231 and the limiting square hole 232, the fixed sleeve 28 is sleeved on the peripheral wall of the annular thickened part 25, the drill bit 24 penetrates into the circular hole, the fixed block 281 slides in the first sliding groove 251, when the surface of the fixed block 281 away from the drill bit 24 abuts against the end face of the movable ring 27, the fixed sleeve 28 is continuously moved towards the sliding plate 21, the movable ring 27 slides, the spring is compressed, until the surface of the fixed block 281 away from the sliding plate 21 is flush with the end face of the annular thickened part 25 close to the sliding plate 21, the fixed sleeve 28 is rotated, the fixed block 281 is located at the fixed notch 271, the spring is released, and the fixed notch 271 fixes the position of the fixed block 281.

[0056] In combination Figure 1 and Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 Figure When the fixed block 281 is located in the fixed notch 271, the inner wall of the closed end of the fixed sleeve 28 abuts against the end face of the output shaft of the second driving motor 23, the drill bit 24 is detachably fixed on the end face of the output shaft of the second driving motor 23 through the plug-in plate 241, which is convenient for replacing and maintaining the drill bit 24.

[0057] The specific embodiment is only an explanation of the application, and is not a limitation of the application. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, as long as the modifications are within the scope of the claims of the application and are protected by the patent law.

Claims

1. A machine for row opening of holes for bicycle frames, characterized in that: The utility model provides a drilling machine, including horizontal setting bottom plate (11) and vertical suspension in the bottom plate (11) above and the output shaft vertical second drive motor (23), the second drive motor (23) output shaft is towards bottom plate (11) and the end face detachable connection has drill bit (24), and the second drive motor (23) output shaft end wall is provided with annular thickening (25), the first sliding slot (251) of being communicated two end faces is opened in the annular thickening (25) wall, and the fixed sleeve (28) of one end closure is set up in the annular thickening (25) wall, the drill bit (24) penetrates the fixed sleeve (28) closed end, and the fixed block (281) is provided on the fixed sleeve (28) inner wall, the fixed block (281) with the first sliding slot (251) is adapted and can slide in the first sliding slot (251), and the surface of fixed block (281) is close to bottom plate (11) can be attached with the end face of annular thickening (25) away from bottom plate (11), and the fixed sleeve (28) can fix drill bit (24) in the second drive motor (23) output shaft end.

2. A rowing machine for bicycle frames as claimed in claim 1, characterized in that: The utility model discloses a drilling machine, including horizontal setting bottom plate (11) and vertical suspension in the bottom plate (11) above and the output shaft vertical second drive motor (23), the second drive motor (23) output shaft is towards bottom plate (11) and the end face detachable connection has drill bit (24), and the second drive motor (23) output shaft end wall is provided with annular thickening (25), the first sliding slot (251) of being communicated two end faces is opened in the annular thickening (25) wall, and the fixed sleeve (28) of one end closure is set up in the annular thickening (25) wall, the drill bit (24) penetrates the fixed sleeve (28) closed end, and the fixed block (281) is provided on the fixed sleeve (28) inner wall, the fixed block (281) with the first sliding slot (251) is adapted and can slide in the first sliding slot (251), and the surface of fixed block (281) is close to bottom plate (11) can be attached with the end face of annular thickening (25) away from bottom plate (11), and the fixed sleeve (28) can fix drill bit (24) in the second drive motor (23) output shaft end.

3. A rowing machine for bicycle frames as claimed in claim 2, characterized in that: The utility model discloses a drilling machine, including horizontal setting bottom plate (11) and vertical suspension in the bottom plate (11) above and the output shaft vertical second drive motor (23), the second drive motor (23) output shaft is towards bottom plate (11) and the end face detachable connection has drill bit (24), and the second drive motor (23) output shaft end wall is provided with annular thickening (25), the first sliding slot (251) of being communicated two end faces is opened in the annular thickening (25) wall, and the fixed sleeve (28) of one end closure is set up in the annular thickening (25) wall, the drill bit (24) penetrates the fixed sleeve (28) closed end, and the fixed block (281) is provided on the fixed sleeve (28) inner wall, the fixed block (281) with the first sliding slot (251) is adapted and can slide in the first sliding slot (251), and the surface of fixed block (281) is close to bottom plate (11) can be attached with the end face of annular thickening (25) away from bottom plate (11), and the fixed sleeve (28) can fix drill bit (24) in the second drive motor (23) output shaft end.

4. A rowing machine for bicycle frames as claimed in claim 3, characterized in that: The utility model discloses a drilling machine, including horizontal setting bottom plate (11) and vertical suspension in the bottom plate (11) above and the output shaft vertical second drive motor (23), the second drive motor (23) output shaft is towards bottom plate (11) and the end face detachable connection has drill bit (24), and the second drive motor (23) output shaft end wall is provided with annular thickening (25), the first sliding slot (251) of being communicated two end faces is opened in the annular thickening (25) wall, and the fixed sleeve (28) of one end closure is set up in the annular thickening (25) wall, the drill bit (24) penetrates the fixed sleeve (28) closed end, and the fixed block (281) is provided on the fixed sleeve (28) inner wall, the fixed block (281) with the first sliding slot (251) is adapted and can slide in the first sliding slot (251), and the surface of fixed block (281) is close to bottom plate (11) can be attached with the end face of annular thickening (25) away from bottom plate (11), and the fixed sleeve (28) can fix drill bit (24) in the second drive motor (23) output shaft end.

5. A machine for producing a row of holes in a bicycle frame according to claim 4, characterized in that: The utility model discloses a drilling machine, including horizontal setting bottom plate (11) and vertical suspension in the bottom plate (11) above and the output shaft vertical second drive motor (23), the second drive motor (23) output shaft is towards bottom plate (11) and the end face detachable connection has drill bit (24), and the second drive motor (23) output shaft end wall is provided with annular thickening (25), the first sliding slot (251) of being communicated two end faces is opened in the annular thickening (25) wall, and the fixed sleeve (28) of one end closure is set up in the annular thickening (25) wall, the drill bit (24) penetrates the fixed sleeve (28) closed end, and the fixed block (281) is provided on the fixed sleeve (28) inner wall, the fixed block (281) with the first sliding slot (251) is adapted and can slide in the first sliding slot (251), and the surface of fixed block (281) is close to bottom plate (11) can be attached with the end face of annular thickening (25) away from bottom plate (11), and the fixed sleeve (28) can fix drill bit (24) in the second drive motor (23) output shaft end.

6. A machine for producing a row of holes in a bicycle frame according to claim 5, characterized in that: ​ 7. A machine for producing a row of holes in a bicycle frame according to claim 6, characterized in that: The bottom plate (11) is vertically provided with four support columns (18) on the plate surface, the upper end surface of the support column (18) is fixedly connected with a mounting plate (19), a sliding plate (21) is slidingly arranged between the mounting plate (19) and the bottom plate (11), an electric push rod (22) is arranged on the upper plate surface of the mounting plate (19), the push rod of the electric push rod (22) penetrates the mounting plate (19) and is fixedly connected with the plate surface of the sliding plate (21), at least three second driving motors (23) are arranged on the plate surface of the sliding plate (21) away from the bottom plate (11), and the output shaft of the second driving motor (23) penetrates the sliding plate (21) and is located between the sliding plate (21) and the bottom plate (11).

8. A rowing machine for bicycle frames as claimed in claim 7, characterized in that: The bottom plate (11) is vertically provided with four support columns (18) on the plate surface, the upper end surface of the support column (18) is fixedly connected with a mounting plate (19), a sliding plate (21) is slidingly arranged between the mounting plate (19) and the bottom plate (11), an electric push rod (22) is arranged on the upper plate surface of the mounting plate (19), the push rod of the electric push rod (22) penetrates the mounting plate (19) and is fixedly connected with the plate surface of the sliding plate (21), at least three second driving motors (23) are arranged on the plate surface of the sliding plate (21) away from the bottom plate (11), and the output shaft of the second driving motor (23) penetrates the sliding plate (21) and is located between the sliding plate (21) and the bottom plate (11).

9. A rowing machine for bicycle frames as claimed in claim 8, characterized in that: The bottom plate (11) is vertically provided with four support columns (18) on the plate surface, the upper end surface of the support column (18) is fixedly connected with a mounting plate (19), a sliding plate (21) is slidingly arranged between the mounting plate (19) and the bottom plate (11), an electric push rod (22) is arranged on the upper plate surface of the mounting plate (19), the push rod of the electric push rod (22) penetrates the mounting plate (19) and is fixedly connected with the plate surface of the sliding plate (21), at least three second driving motors (23) are arranged on the plate surface of the sliding plate (21) away from the bottom plate (11), and the output shaft of the second driving motor (23) penetrates the sliding plate (21) and is located between the sliding plate (21) and the bottom plate (11).

10. A rowing machine for bicycle frames as claimed in claim 9, characterized in that: The bottom plate (11) is vertically provided with four support columns (18) on the plate surface, the upper end surface of the support column (18) is fixedly connected with a mounting plate (19), a sliding plate (21) is slidingly arranged between the mounting plate (19) and the bottom plate (11), an electric push rod (22) is arranged on the upper plate surface of the mounting plate (19), the push rod of the electric push rod (22) penetrates the mounting plate (19) and is fixedly connected with the plate surface of the sliding plate (21), at least three second driving motors (23) are arranged on the plate surface of the sliding plate (21) away from the bottom plate (11), and the output shaft of the second driving motor (23) penetrates the sliding plate (21) and is located between the sliding plate (21) and the bottom plate (11).

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