Automatic chamfering device for inner hole of workpiece

Abstract

The utility model discloses an automatic chamfering device for an inner hole of a workpiece. The automatic chamfering device comprises a workbench, a fixing frame connected to the workbench and a chamfering module arranged on the fixing frame. The top end of the workbench is rotationally connected with a rotating disc. Multiple workpiece grooves are formed in the rotating disc at equal intervals. According to the automatic chamfering device for the workpiece inner hole, a workpiece groove and a limiting frame are arranged, a first gear and a second gear are matched, a nut located in the workpiece groove can intermittently move to the position below a chamfering module for chamfering machining, a positioning block is driven by a movable mechanism to move in a reciprocating mode, the nut located below the chamfering module can be clamped, and the chamfering machining efficiency is improved. The nut chamfering device has the advantages that the nut can be positioned, the stability of the nut during chamfering can be kept, the machined nut can be pushed to move in the chamfering module until the nut is separated from the discharge port through reciprocating movement of the unloading mechanism and the driving rack, and the nut chamfering device is integrally and automatically used for feeding, discharging and chamfering the nut; and the nut machining efficiency of the whole device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut machining technical field, concretely is a workpiece inner hole's automatic chamfering device. BACKGROUND

[0002] In the process of tightening the nut, the chamfer can make it easier to enter the threaded hole; similarly, when disassembling, the presence of the chamfer can make the nut more easily slide out without being clamped in the hole, thereby improving the convenience of installation and disassembly.

[0003] At present, when a large number of nuts are chamfered, the nuts are generally transmitted to the bottom end of the chamfering device through a conveyor belt, and then positioned below the chamfering device through a clamp or a mechanical hand before chamfering. After the chamfering is completed, the worker collects it again. The overall process is complicated and inconvenient, which reduces the chamfering efficiency of the nut. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a workpiece inner hole's automatic chamfering device to solve the problem of the above background art that when a large number of nuts are chamfered, the nuts are generally transmitted to the bottom end of the chamfering device through a conveyor belt, and then positioned below the chamfering device through a clamp or a mechanical hand before chamfering. After the chamfering is completed, the worker collects it again. The overall process is complicated and inconvenient, which reduces the chamfering efficiency of the nut.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a workpiece inner hole's automatic chamfering device, including workbench, fixed frame connected on workbench, and chamfering module set on fixed frame;

[0006] The top end of the workbench is rotatably connected with a turntable, a plurality of workpiece grooves are equidistantly formed in the interior of the turntable, a limiting frame is connected to the top end of the workbench, an inlet, a chamfering port and an outlet are formed on the limiting frame, and a driving mechanism for driving the rotation of the turntable is arranged on the workbench;

[0007] The interior of the fixed frame is slidably connected with a movable rod, the end of the movable rod is connected with a positioning block, and a movable mechanism for driving the translation of the positioning block is arranged on the workbench;

[0008] The limiting frame is connected with a fixed plate, the interior of the fixed plate is slidably connected with a rack, and an unloading mechanism for driving the translation of the rack is arranged on the workbench.

[0009] Preferably, the driving mechanism comprises a gear one, a gear two, a rod one and a motor;

[0010] The bottom end of the rotating disc is connected with a gear one, the side wall of the gear one is engaged with a gear two, the inside of the gear two is connected with a rod one, the top end of the rod one is rotationally connected on the workbench, a motor is connected on the workbench, and the output end of the motor is sleeved with the bottom end of the rod one.

[0011] Preferably, the moving mechanism comprises a rod two, a transmission device one, a disc one and a connecting rod.

[0012] The top end of the rod two is connected with a disc one, the top end of the disc one is rotationally connected with a connecting rod, and the other end of the connecting rod is rotationally connected with the end of the moving rod away from the positioning block.

[0013] Preferably, the discharging mechanism comprises a vertical plate, a disc two, a rod five, a gear three, a limiting rod, a sliding slot and a driving piece.

[0014] The top end of the vertical plate is connected with a disc two, the top end of the vertical plate is rotationally connected with a rod five, the end of the rod five is connected with a gear three, the bottom end of the gear three is engaged on the surface of the rack, the top end of the gear three is connected with a crank, the inside of the crank is provided with a sliding slot, the inner wall of the sliding slot is matched with a limiting rod, and the other end of the limiting rod is connected on the disc two.

[0015] Preferably, the driving piece comprises a rod three, a transmission device two, a conical tooth one, a conical tooth two and a rod four.

[0016] The top end of the rod three is sleeved with a conical tooth one, the outer wall of the conical tooth one is engaged with a conical tooth two, the conical tooth two is rotationally connected on the outer wall of the vertical plate, the inner wall of the conical tooth two is connected with a rod four, and the end of the rod four away from the conical tooth one is connected on the disc two.

[0017] Preferably, the inside of the fixed plate is provided with a T-shaped sliding slot, the inside of the T-shaped sliding slot is slidably connected with a T-shaped sliding block matched with the T-shaped sliding slot, and the T-shaped sliding block is connected on the side wall of the rack.

[0018] Preferably, the inner wall of each workpiece groove is matched with the inner wall of the positioning block.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] Through setting workpiece groove and limiting frame, cooperating gear one and gear two, the nut inside workpiece groove can be intermittently moved to the chamfering module below to carry out chamfering, through the reciprocating movement of positioning block driven by movable mechanism, the nut below chamfering module can be clamped, so that the nut is positioned, the stability of the nut during chamfering is maintained, through the reciprocating movement of rack driven by discharging mechanism, the processed nut can be pushed to move inside chamfering module until it is separated from the discharge opening, the device as a whole automatically feeds and discharges the nut and carries out chamfering, the processing efficiency of the device as a whole to the nut is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a three-dimensional structure schematic view of the utility model;

[0023] Figure 3 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 4 It is a three-dimensional structure schematic view of the utility model rotary table, workpiece groove, gear one, gear two, rod one, rod two, transmission device one, disc one, movable rod and positioning block.

[0025] In the drawing: 1, workbench;101, fixed frame;102, chamfering module;2, rotary table;201, workpiece groove;202, limiting frame;203, gear one;204, gear two;205, rod one;3, rod two;301, transmission device one;302, disc one;303, connecting rod;304, movable rod;305, positioning block;4, vertical plate;401, rod three;402, transmission device two;403, conical gear one;404, conical gear two;405, rod four;406, disc two;407, rod five;408, gear three;409, rack;410, limiting rod;411, sliding groove;412, fixed plate;413, T-shaped sliding block. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-4The utility model provides a technical scheme: an automatic chamfering device of workpiece inner hole, including workbench 1, fixed frame 101 connected on workbench 1 and chamfering module 102 set up on fixed frame 101, chamfering module 102 includes electric push rod, micro motor and chamfering piece, and electric push rod is installed at the top of fixed frame 101, and the output end of electric push rod is connected with micro motor, and the output end of micro motor is connected with chamfering piece.

[0028] Workbench 1 top rotary connection has the turntable 2, and a plurality of workpiece grooves 201 are equidistantly set up in the inside of turntable 2, and the top of workbench 1 is connected with the limiting frame 202, and the limiting frame 202 is set up with feed inlet, chamfering mouth and discharge port, and the drive mechanism that drives the rotation of turntable 2 is set up on workbench 1;

[0029] Fixed frame 101 inside sliding connection has movable rod 304, and movable rod 304 end is connected with the locating block 305, and the movable mechanism that drives the translation of locating block 305 is set up on workbench 1;

[0030] The limiting frame 202 is connected with fixed plate 412, and rack 409 is slidably connected in the inside of fixed plate 412, and the unloading mechanism that drives the translation of rack 409 is set up on workbench 1.

[0031] Drive mechanism includes gear one 203, gear two 204, rod one 205 and motor;

[0032] The bottom of turntable 2 is connected with gear one 203, and gear two 204 is engaged on the side wall of gear one 203, and rod one 205 is connected in the inside of gear two 204, and rod one 205 top rotary connection is in workbench 1, and the motor is connected on workbench 1, and the output end of motor is connected with the bottom of rod one 205.

[0033] Movable mechanism includes rod two 3, transmission device one 301, disc one 302 and connecting rod 303;

[0034] Rod two 3 is rotary connected on workbench 1, and rod two 3 and the outer wall of rod one 205 are provided with transmission device one 301, and disc one 302 is connected at the top of rod two 3, and connecting rod 303 is rotary connected at the top of disc one 302, and the other end of connecting rod 303 is rotary connected with the end of movable rod 304 away from the locating block 305.

[0035] Unloading mechanism includes vertical plate 4, disc two 406, rod five 407, gear three 408, limiting rod 410, sliding slot 411 and driving piece;

[0036] The top end of the workbench 1 is connected with a vertical plate 4, the vertical plate 4 is rotatably connected with a disc two 406, the vertical plate 4 is rotatably connected with a rod five 407, the end of the rod five 407 is connected with a gear three 408, the bottom end of the gear three 408 is engaged on the surface of a rack 409, the top end of the gear three 408 is connected with a crank, a sliding groove 411 is arranged in the crank, a limiting rod 410 is attached to the inner wall of the sliding groove 411, and the other end of the limiting rod 410 is connected to the disc two 406.

[0037] The driving member comprises a rod three 401, a transmission device two 402, a conical tooth one 403, a conical tooth two 404 and a rod four 405.

[0038] The rod three 401 is rotatably connected to the workbench 1, the rod three 401 and the rod one 205 are jointly provided with the transmission device two 402, the top end of the rod three 401 is sleeved with the conical tooth one 403, the outer wall of the conical tooth one 403 is engaged with the conical tooth two 404, the conical tooth two 404 is rotatably connected to the outer wall of the vertical plate 4, the inner wall of the conical tooth two 404 is connected with the rod four 405, and the end, away from the conical tooth one 403, of the rod four 405 is connected to the disc two 406.

[0039] A T-shaped sliding groove is arranged in the fixed plate 412, a T-shaped sliding block 413 matched with the T-shaped sliding groove is slidably connected to the T-shaped sliding groove, and the T-shaped sliding block 413 is connected to the side wall of the rack 409.

[0040] The inner wall of each workpiece groove 201 is matched with the inner wall of the positioning block 305, and the inner walls of the workpiece groove 201 and the positioning block 305 are matched with the outer wall of the nut, so that the outer wall of the nut is more attached to the inner walls of the workpiece groove 201 and the positioning block 305.

[0041] Working principle: first, the nut is conveyed into the inner wall of the workpiece groove 201 through the feeding port of the limiting frame 202 by the conveying belt, the gear two 204 connected to the rod one 205 is driven to rotate by the motor, the gear one 203 connected to the rotating disc 2 is driven to rotate by the gear two 204, the rotating disc 2 is intermittently rotated on the surface of the workbench 1, the rod two 3 is synchronously rotated with the rod one 205 through the transmission of the transmission device one 301, the disc one 302 is rotated by the rod two 3, the connecting rod 303 is driven to rotate by the disc one 302, the connecting rod 303 drives the movable rod 304 to reciprocatingly translate in the fixed frame 101, when the rotating disc 2 drives the nut to move to the position below the chamfering module 102 on the surface of the workbench 1, the positioning block 305 is driven to move forward by the movable rod 304, so that the nut is clamped, and the chamfering module 102 performs chamfering work on the nut, when the positioning block 305 moves back, the rotating disc 2 also drives the chamfered nut to rotate to the discharging port of the limiting frame 202.

[0042] Through the transmission of transmission device two 402, the rod three 401 synchronously rotates the rod one 205, the rod three 401 drives the conical gear one 403 to rotate, so that the conical gear one 403 drives the meshed conical gear two 404 to rotate on the vertical plate 4, the conical gear two 404 drives the internal rod four 405 to rotate, so that the rod four 405 drives the disc two 406 to rotate on the vertical plate 4, the disc two 406 drives the limiting rod 410 to rotate, so that the other end of the limiting rod 410 slides in the sliding groove 411, so that the gear three 408 reciprocatingly rotates with the rod five 407 as the center, through the meshing of the bottom end of the gear three 408 and the rack 409, so that the rack 409 reciprocatingly translates on the surface of the rotating disc 2, whenever the processed nut moves to the discharge port, the rack 409 drives the T-shaped slider 413 to slide in the T-shaped groove in the fixed plate 412, so that the nut is driven to separate from the workpiece groove 201 and the feeding port, so that the chamfering of the nut is completed and the rapid feeding and discharging is completed.

[0043] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0044] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic chamfering device for the inner hole of a workpiece, comprising a workbench (1), a fixing frame (101) connected to the workbench (1), and a chamfering module (102) arranged on the fixing frame (101); characterized in that: the top end of the workbench (1) is rotatably connected with a rotating disc (2), a plurality of workpiece grooves (201) are equidistantly arranged in the rotating disc (2), the top end of the workbench (1) is connected with a limiting frame (202), the limiting frame (202) is provided with an inlet, a chamfering port and an outlet, and a driving mechanism for driving the rotating disc (2) to rotate is arranged on the workbench (1); the inside of the fixing frame (101) is slidably connected with a movable rod (304), the end of the movable rod (304) is connected with a positioning block (305), and a moving mechanism for driving the positioning block (305) to translate is arranged on the workbench (1); the limiting frame (202) is connected with a fixed plate (412), the inside of the fixed plate (412) is slidably connected with a rack (409), and an unloading mechanism for driving the rack (409) to translate is arranged on the workbench (1).

2. The automatic chamfering device for the inner hole of a workpiece according to claim 1, characterized in that: The driving mechanism comprises a gear one (203), a gear two (204), a rod one (205) and a motor; the bottom end of the rotating disc (2) is connected with the gear one (203), the side wall of the gear one (203) is engaged with the gear two (204), the inside of the gear two (204) is connected with the rod one (205), the top end of the rod one (205) is rotatably connected to the workbench (1), a motor is connected to the workbench (1), and the output end of the motor is sleeved with the bottom end of the rod one (205).

3. The automatic chamfering device for the inner hole of a workpiece according to claim 1, characterized in that: The moving mechanism comprises a rod two (3), a transmission device one (301), a disc one (302) and a connecting rod (303); the workbench (1) is rotatably connected with the rod two (3), the rod two (3) and the outer wall of the rod one (205) are jointly provided with the transmission device one (301), the top end of the rod two (3) is connected with the disc one (302), the top end of the disc one (302) is rotatably connected with the connecting rod (303), and the other end of the connecting rod (303) is rotatably connected with the end of the movable rod (304) away from the positioning block (305).

4. The automatic chamfering device for the inner hole of a workpiece according to claim 1, characterized in that: The unloading mechanism comprises a vertical plate (4), a disc two (406), a rod five (407), a gear three (408), a limiting rod (410), a sliding groove (411) and a driving piece; the top end of the workbench (1) is connected with the vertical plate (4), the vertical plate (4) is rotatably connected with the disc two (406), the vertical plate (4) is rotatably connected with the rod five (407), the end of the rod five (407) is connected with the gear three (408), the bottom end of the gear three (408) is engaged with the surface of the rack (409), the top end of the gear three (408) is connected with a crank, the inside of the crank is provided with the sliding groove (411), the inner wall of the sliding groove (411) is matched with the limiting rod (410), and the other end of the limiting rod (410) is connected to the disc two (406).

5. The automatic chamfering device for the inner hole of a workpiece according to claim 4, characterized in that: The driving member comprises a third rod (401), a second transmission device (402), a first conical gear (403), a second conical gear (404) and a fourth rod (405); The third rod (401) is rotationally connected to the workbench (1), the third rod (401) and the first rod (205) are provided with the second transmission device (402) together, the top end of the third rod (401) is sleeved with the first conical gear (403), the outer wall of the first conical gear (403) is engaged with the second conical gear (404), the second conical gear (404) is rotationally connected to the outer wall of the vertical plate (4), the inner wall of the second conical gear (404) is connected with the fourth rod (405), and the end, away from the first conical gear (403), of the fourth rod (405) is connected to the second disc (406).

6. The automatic chamfering device for the inner hole of a workpiece according to claim 1, characterized in that: The T-shaped sliding groove is internally and slidably connected with a T-shaped sliding block (413) matched with the T-shaped sliding groove, and the T-shaped sliding block (413) is connected to the side wall of the rack (409).

7. The automatic chamfering device for the inner hole of a workpiece according to claim 3, characterized in that: The inner wall of each workpiece groove (201) is matched with the inner wall of the positioning block (305).

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