Jig special for broaching parts

Abstract

The utility model relates to the technical field of hole processing technology, and discloses a special jig for reaming parts, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixing frame, the inner top wall of the fixing frame is fixedly connected with two cylinders, a moving plate is fixedly connected between the output ends of the two cylinders, the bottom of the moving plate is fixedly connected with a first motor, and the first motor is fixedly connected with a second motor. A dismounting box is fixedly arranged at the output end of the first motor, a threaded rod is rotationally connected to the rear side of the inner wall of the dismounting box, a moving part is in threaded connection with the surface of the threaded rod, and two rotating parts are rotationally connected to the left side and the right side of the moving part correspondingly. According to the drilling device, the threaded rod is driven to rotate by rotating the rotary knob, so that the moving piece is driven to move, the rotating pieces on the two sides are driven to move when the moving piece moves, the locking pieces on the two sides are pulled to be separated from the limiting holes in the connecting blocks, and therefore the drill bit at the bottom can be rapidly detached and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hole processing process technical field especially relates to special jig of part and component hole expanding. BACKGROUND

[0002] In the mechanical manufacturing industry, the machining precision and quality requirement of parts and components are increasingly improved, hole expanding as a common mechanical processing technology is widely used in the production and manufacturing of various parts and components, and the special jig for part and component hole expanding is an auxiliary tool specially designed for realizing accurate and efficient hole expanding.

[0003] The existing hole expanding jig needs to replace the drill bit when expanding holes of different parts and components, and the drill bit needs to be disassembled using professional tools, which is complicated and time-consuming, and the machining precision is reduced and the surface quality is poor due to the delay in replacing the worn drill bit. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a special jig for part and component hole expanding, aiming at improving the problem of complicated process when replacing different drill bits of the existing hole expanding jig.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a special jig for part and component hole expanding, comprising a bottom plate, a fixed frame is fixedly connected to the top of the bottom plate, two air cylinders are fixedly connected to the inner top wall of the fixed frame, a moving plate is fixedly connected between the output ends of the two air cylinders, a first motor is fixedly connected to the bottom of the moving plate, a disassembly box is fixedly arranged at the output end of the first motor, a threaded rod is rotatably connected to the rear side of the inner wall of the disassembly box, a moving piece is threadedly connected to the surface of the threaded rod, two rotating pieces are rotatably connected to the left and right sides of the moving piece, a locking piece is rotatably connected to the opposite side of each of the four rotating pieces, the bottom of each of the four locking pieces extends through and extends to the bottom of the disassembly box, each of the four locking pieces is slidably connected between the disassembly box, a connecting block is arranged at the bottom of the disassembly box, a drill bit is fixedly connected to the bottom of the connecting block, an adjusting assembly is arranged at the top of the bottom plate, and the adjusting assembly is used for adjusting the angle.

[0006] Preferably, the adjusting assembly comprises a fixed plate, the fixed plate is fixedly connected between the bottom plate, a second motor is fixedly connected to the rear side of the fixed plate, a first worm is fixedly arranged at the output end of the second motor, a first worm wheel is meshingly connected to the top of the first worm, the first worm wheel extends through and extends to the front side of the fixed plate, the first worm wheel is rotatably connected between the fixed plate, and a rotating box is fixedly connected to the front end of the first worm wheel.

[0007] Preferably, the top of the inner wall of the rotating box is rotatably connected between the top and the bottom of the rotating box, and two second worm gears are fixedly connected to the front side of each of the two second worm gears.

[0008] Preferably, the rear side of the inner wall of the rotating box is fixedly connected with a third motor, and a second worm is fixedly arranged at the output end of the third motor, and the second worm is in meshing connection with the two second worm gears.

[0009] Preferably, two limiting holes are formed in the left and right sides of the connecting block.

[0010] Preferably, the front end of the threaded rod penetrates and extends to the front side of the dismounting box, and a knob is fixedly connected to the front end of the threaded rod.

[0011] Preferably, the adjacent side of the two clamping pieces is arc-shaped.

[0012] Preferably, four sliding grooves are formed in the bottom of the dismounting box, and the four locking pieces slide in the sliding grooves.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the knob is rotated to drive the threaded rod to rotate, thereby driving the moving piece to move, and when the moving piece moves, the rotating pieces on both sides are driven to move, thereby pulling the locking pieces on both sides out of the limiting holes on the connecting block, so that the drill bit at the bottom can be quickly dismounted and replaced, and the problem of complicated process when replacing different drill bits of the existing hole expanding jig is solved.

[0015] 2. In the utility model, the first worm is rotated by the second motor, thereby driving the first worm gear to rotate, thereby driving the rotating box to rotate, thereby realizing the adjustment of the angle of the clamping piece, and the hole expansion operation of the parts can be performed at multiple angles, the more complex process requirements can be met, and the processing surface of the parts can be quickly switched, thereby reducing the waiting time in the processing process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a special jig for part hole expansion;

[0017] Figure 2 The utility model provides a first worm gear schematic view of the special jig for part hole expansion;

[0018] Figure 3 The utility model provides a dismounting box cross section schematic view of the special jig for part hole expansion;

[0019] Figure 4 The utility model provides a rotating box cross section schematic view of the special jig for part hole expansion.

[0020] Legend:

[0021] 1, base plate; 2, fixed frame; 3, air cylinder; 4, moving plate; 5, first motor; 6, disassembly box; 7, drill bit; 8, fixed plate; 9, rotating box; 10, clamping piece; 11, first worm gear; 12, first worm; 13, second motor; 14, connecting block; 15, limiting hole; 16, knob; 17, threaded rod; 18, rotating piece; 19, moving piece; 20, locking piece; 21, third motor; 22, second worm; 23, second worm gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 scope of protection of the utility model.

[0023] Referring to Figures 1-3 An embodiment provided by the utility model: the special jig for expanding hole of parts, including the base plate 1, the fixed frame 2 is connected on the top of base plate 1, two air cylinders 3 are connected on the inner top wall of fixed frame 2, the moving plate 4 is connected between the output end of two air cylinders 3, the first motor 5 is connected on the bottom of moving plate 4, the disassembly box 6 is arranged on the output end of first motor 5, the threaded rod 17 is connected on the rear inner wall of disassembly box 6, the moving piece 19 is connected on the surface of threaded rod 17, two rotating pieces 18 are connected on the left and right sides of moving piece 19, the locking piece 20 is connected on the opposite side of four rotating pieces 18, four locking pieces 20 all extend to the bottom of disassembly box 6, four locking pieces 20 all slide with disassembly box 6, the connecting block 14 is arranged on the bottom of disassembly box 6, the drill bit 7 is connected on the bottom of connecting block 14, the adjusting assembly is arranged on the top of base plate 1, and the adjusting assembly is used to adjust angle.

[0024] Specifically, the air cylinder 3 on the top drives the moving plate 4 to press down, so that the drill bit 7 is pressed down to expand hole, the disassembly box 6 and the drill bit 7 on the bottom are rotated by the first motor 5, so that the parts are expanded, the threaded rod 17 is rotated by rotating the knob 16, so that the moving piece 19 is moved, the rotating pieces 18 on the two sides are moved when the moving piece 19 moves, so that the locking pieces 20 on the two sides are pulled away from the limiting hole 15 on the connecting block 14, so that the drill bit 7 on the bottom can be quickly disassembled and replaced.

[0025] Referring to Figure 2The adjusting assembly comprises a fixing plate 8 fixedly connected between the bottom plate 1, a second motor 13 fixedly connected to the rear side of the fixing plate 8, a first worm 12 fixedly arranged at the output end of the second motor 13, a first worm wheel 11 meshingly connected to the top of the first worm 12, the first worm wheel 11 extending through and to the front side of the fixing plate 8 and rotatably connected between the fixing plate 8 and the first worm wheel 11, and a rotating box 9 fixedly connected to the front end of the first worm wheel 11.

[0026] Specifically, the first worm 12 is driven to rotate by the second motor 13, so as to drive the first worm wheel 11 to rotate, thereby driving the rotating box 9 to rotate, so as to adjust the angle of the parts, and the parts can be quickly turned over, so as to expand the holes on both sides of the parts, the self-locking property between the first worm wheel 11 and the first worm 12 is used to keep the position fixed and prevent reverse rotation, thereby improving the stability and safety of work.

[0027] Referring to Figure 4 , two second worm wheels 23 are rotatably connected between the top and the bottom of the inner wall of the rotating box 9, and the front side of each of the two second worm wheels 23 is fixedly connected with a clamping piece 10.

[0028] Specifically, the two second worm wheels 23 drive the clamping pieces 10 to quickly clamp and fix the parts.

[0029] Referring to Figure 4 , a third motor 21 is fixedly connected to the rear side of the inner wall of the rotating box 9, a second worm 22 is fixedly arranged at the output end of the third motor 21, and the second worm 22 is meshingly connected between the two second worm wheels 23.

[0030] Specifically, the second worm 22 is driven to rotate by the third motor 21, so as to drive the two second worm wheels 23 to rotate, thereby quickly clamping and fixing the parts.

[0031] Referring to Figure 3 , two limiting holes 15 are formed in the left and right sides of the connecting block 14.

[0032] Specifically, the locking piece 20 is inserted into the limiting hole 15, so as to quickly fix and disassemble the connecting block 14 and the drill bit 7.

[0033] Referring to Figure 3 , the front end of the threaded rod 17 extends to the front side of the disassembling box 6, and a knob 16 is fixedly connected to the front end of the threaded rod 17.

[0034] Specifically, the threaded rod 17 is driven to rotate by rotating the knob 16.

[0035] Referring to Figure 4 , the adjacent sides of the two clamping pieces 10 are arc-shaped.

[0036] Specifically, the clamping piece 10 in the circular arc shape can provide balanced clamping force in multiple directions, so that the parts are not easy to loosen or shift during processing.

[0037] With reference to Figure 3 The bottom of the disassembling box 6 is provided with four sliding grooves, and the four locking pieces 20 slide in the sliding grooves.

[0038] Specifically, the four locking pieces 20 slide in the sliding grooves at the bottom of the disassembling box 6, so that the locking pieces 20 remain horizontal when moving, thereby fixing the connecting block 14 at the bottom.

[0039] Working principle: when in use, the third motor 21 drives the second worm 22 to rotate, the second worm 22 drives the two second worms 23 to rotate, the two second worms 23 drive the clamping piece 10 to quickly clamp and fix the parts, at the same time, the second motor 13 drives the first worm 12 to rotate, thereby driving the first worm 11 to rotate, thereby realizing the rotation of the rotating box 9, so as to realize the angle adjustment of the parts, at this time, the cylinder 3 at the top drives the moving plate 4 to press down, the first motor 5 drives the disassembling box 6 at the bottom to rotate with the drill bit 7, thereby realizing the reaming of the parts, when the drill bit 7 needs to be replaced, the knob 16 is rotated, thereby driving the threaded rod 17 to rotate, thereby driving the moving piece 19 to move, when the moving piece 19 moves, the rotating pieces 18 on both sides are driven to move, thereby pulling the locking pieces 20 on both sides to disengage from the limiting holes 15 on the connecting block 14, thereby realizing the quick disassembly and replacement of the drill bit 7 at the bottom.

[0040] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A special fixture for expanding hole of parts, comprising a base plate (1), characterized in that: The bottom plate (1) top fixedly connected with fixed frame (2), the fixed frame (2) inner top wall fixedly connected with two air cylinders (3), two the air cylinder (3) output fixedly connected with moving plate (4), the moving plate (4) bottom fixedly connected with first motor (5), the first motor (5) output fixedly provided with disassembly box (6), the disassembly box (6) inner wall rear side rotationally connected with threaded rod (17), the threaded rod (17) surface screw thread is connected with moving piece (19), the moving piece (19) left and right sides are rotationally connected with two rotating pieces (18), four The opposite side of rotating piece (18) is rotationally connected with locking piece (20), four The bottom of locking piece (20) extends to the bottom of disassembly box (6), four The sliding connection between locking piece (20) and disassembly box (6), the disassembly box (6) bottom is provided with connecting block (14), the connecting block (14) bottom fixedly connected with drill bit (7), the bottom plate (1) top is provided with adjusting assembly, the adjusting assembly is used for adjusting angle.

2. The special jig for expanding the hole of the component according to claim 1, wherein: The adjusting assembly comprises a fixed plate (8), the fixed plate (8) is fixedly connected between the bottom plate (1), the fixed plate (8) rear side fixedly connected with second motor (13), the second motor (13) output fixedly provided with first worm (12), the first worm (12) top meshing connection has first worm wheel (11), the first worm wheel (11) front end extends to the front side of fixed plate (8), the first worm wheel (11) and fixed plate (8) are rotatably connected, the first worm wheel (11) front end fixedly connected with rotating box (9).

3. The special jig for expanding the hole of the component according to claim 2, wherein: The rotating box (9) inner wall top and bottom rotatably connected with two second worm wheels (23), two The front side of second worm wheel (23) is fixedly connected with clamping piece (10).

4. The special jig for expanding the hole of the component according to claim 2, wherein: The rotating box (9) inner wall rear side fixedly connected with third motor (21), the third motor (21) output fixedly provided with second worm (22), the second worm (22) and two second worm wheels (23) are meshingly connected.

5. The special jig for expanding the hole of the component according to claim 1, wherein: The connecting block (14) left and right sides are provided with two limiting holes (15).

6. The special jig for expanding the hole of a component according to claim 1, wherein: The threaded rod (17) front end extends to the front side of disassembly box (6), the threaded rod (17) front end fixedly connected with knob (16).

7. The special jig for expanding the hole of the component according to claim 3, wherein: Two The side adjacent to clamping piece (10) is arc-shaped.

8. The special jig for expanding the hole of the component according to claim 1, wherein: The disassembly box (6) bottom is provided with four sliding grooves, four The locking piece (20) is slid in the sliding groove.

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