CN208663173U

CN208663173U - A kind of machining jig

Info

Publication number: CN208663173U
Application number: CN201821298570.3U
Authority: CN
Inventors: 邱诗德
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2019-03-29
Anticipated expiration: 2028-08-13

Abstract

The utility model discloses a kind of machining jigs, including pedestal and mounting base, it is hollow structure inside the mounting base, and opening is arranged in the lower end of mounting base, the mounting base is cirque structure, and the upper surface of mounting base is uniformly arranged three sliding slots, the trend of the sliding slot is overlapped with the radial direction of mounting base, the sliding slot internal engagement installs fixture block, directing plate is fixedly installed in the fixture block lower end, helicla flute is arranged in the lower surface of the directing plate, swivel becket is coupled by bearing pair inside the mounting base, this machining is used with jig is arranged lifter plate inside jig, the mode of setting expansion column inside lifter plate, in conjunction with the fixture block outside mounting base, workpiece interior and exterior can be clamped, workpiece is set to have a variety of method of clamping, and mutual disassembly's workpiece is not necessarily to when the switching of a variety of method of clamping, and handoff procedure without It needs to relocate, machining accuracy is effectively ensured.

Description

A kind of machining jig

Technical field

The utility model relates to technical field of mechanical processing, specially a kind of machining jig.

Background technique

In mechanical processing process, machining is most commonly seen processing method, is carrying out machining mistake to workpiece Cheng Zhong needs to carry out workpiece in process quasi- due to having biggish interaction force between cutter and workpiece True positioning and clamping, the prior art mainly adopts the positioning and clampings that fixed jig carries out workpiece, and after clamping, workpiece will be with Workbench keeps stable relative position, is conducive to the promotion of machining accuracy, still, more for some machined surfaces, and processes It for the workpiece that face conflicts with positioning surface, stationary plane, in process, needs repeatedly to dismantle workpiece, relocates, it is again solid It is fixed, process velocity is seriously affected, such as in off-gauge polygonal nut process, it is more due to having outside nut A machined surface, and inside needs rolled thread, therefore needs repeatedly to clamp in process, and clamping face is also machined surface simultaneously, Process velocity is seriously affected, and machining accuracy also causes loss of significance with multiple bearing.

Utility model content

The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of machining jig, adopts Lifter plate is set inside jig, the mode of setting expansion column inside lifter plate, in conjunction with the fixture block outside mounting base, to workpiece Interior and exterior can clamp, and so that workpiece is had a variety of method of clamping, and be not necessarily to mutual disassembly's workpiece when the switching of a variety of method of clamping, And handoff procedure is effectively ensured machining accuracy, can effectively solve the problems in background technique without relocating.

To achieve the above object, the utility model provides the following technical solutions: a kind of machining jig, including pedestal And mounting base, the mounting base inside is hollow structure, and opening is arranged in the lower end of mounting base, and the mounting base is circular ring shape knot Structure, and the upper surface of mounting base is uniformly arranged three sliding slots, the trend of the sliding slot is overlapped with the radial direction of mounting base, the sliding slot Internal engagement installs fixture block, and directing plate is fixedly installed in the fixture block lower end, and helicla flute is arranged in the lower surface of the directing plate, described Swivel becket is coupled by bearing pair inside mounting base, spiral salient, the swivel becket is arranged in the upper surface of the swivel becket Spiral salient and the helicla flute of directing plate lower surface be coupled, mounting cylinder, the installation is arranged in the side of the mounting base The axis of cylinder and the outer circle of mounting base are tangent, and worm screw, the shaft of the worm screw and the output of motor are arranged inside the mounting cylinder Axis connection, the motor are connect by switch with external power supply, and worm gear ring, the worm gear is fixedly installed in the external of the swivel becket Ring engages installation with worm screw, is fixedly installed pedestal at the mounting base lower ending opening, and the pedestal includes upper plate and lower plate, and on It is fixedly connected between plate and lower plate by vertical connecting column, the upper plate and mounting base are fixedly mounted, and the chassis interior is set Set lifter plate, the lower surface middle position of the lifter plate is vertically arranged Pneumatic extension bar two, under the Pneumatic extension bar two End and the lower plate of pedestal are fixedly mounted, and the upper surface of lifter plate is uniformly arranged three sliding slots, the sliding slot of the lifting plate surface With the sliding slot arranged for interval of installation seating face, the sliding slot internal engagement installs expansion column, and the expansion column lower end passes through pneumatic Telescopic rod one is connect with lifter plate, and the Pneumatic extension bar one and pneumatic telescopic rod two are filled by tracheae and external pressure control Set connection.

As a kind of optimal technical scheme of the utility model, the fixture block is combination fixture block, and the fixture block includes guidance Block and three fixed blocks, the fixed block and bootstrap block fixed and arranged, and the fixed block of outermost end and bootstrap block are fixedly mounted, and The highest face of the fixed block of rear end is gradually reduced, and outermost end fixed block surface be arranged threaded hole, remaining fixed block with it is outermost Hold fixed block threaded hole corresponding position that through-hole is set, and remaining fixed block is fixedly mounted by bolt and the fixed block of outermost end.

As a kind of optimal technical scheme of the utility model, the mounting cylinder both ends are respectively provided with opening, and opening is solid Dingan County fills end cap, and mounting hole is arranged among end cap, and the both ends of the worm screw pass through bearing pair respectively and the mounting hole of end cap is matched Close installation.

As a kind of optimal technical scheme of the utility model, the expansion column upper end is cylinder, and expansion column lower end is set Sliding block is set, the sliding block and the sliding slot of lifting plate surface are coupled, and both ends are fixedly installed respectively inside the sliding slot of lifter plate The axis of Pneumatic extension bar one, the Pneumatic extension bar one is overlapped with the trend of sliding slot, and the free end of Pneumatic extension bar one with The sliding block for expanding column bottom is fixedly mounted.

As a kind of optimal technical scheme of the utility model, three arcs are uniformly arranged outside the lower plate of the pedestal Ear mount, and the lowest surfaces of ear mount are lower than the lower surface of lower plate, and the strip-shaped hole of ear mount surface setting arc.

Compared with prior art, the utility model has the beneficial effects that this machining is used inside jig with jig Lifter plate is set, and the mode of setting expansion column can to workpiece interior and exterior in conjunction with the fixture block outside mounting base inside lifter plate Clamping makes workpiece have a variety of method of clamping, and is not necessarily to mutual disassembly's workpiece, and handoff procedure when the switching of a variety of method of clamping Without relocating, machining accuracy is effectively ensured.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model top view；

Fig. 3 is cross-sectional view at the utility model A；

Fig. 4 is cross-sectional view at the utility model B；

Fig. 5 is cross-sectional view at the utility model C；

Fig. 6 is the utility model swivel becket assembling schematic diagram.

In figure: 1 pedestal, 2 mounting bases, 3 mounting cylinders, 4 motors, 5 fixture blocks, 6 expansion columns, 7 Pneumatic extension bars one, 8 lifter plates, 9 Pneumatic extension bars two, 10 worm screws, 11 swivel beckets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of machining jig, including 1 He of pedestal Mounting base 2 is hollow structure inside mounting base 2, and opening is arranged in the lower end of mounting base 2, and mounting base 2 is cirque structure, and The upper surface of mounting base 2 is uniformly arranged three sliding slots, and the trend of sliding slot is overlapped with the radial direction of mounting base 2, sliding slot internal engagement peace Directing plate is fixedly installed in clamping block 5,5 lower end of fixture block, and the lower surface of directing plate is arranged helicla flute, passes through bearing inside mounting base 2 Pair is coupled swivel becket 11, and the upper surface of swivel becket 11 is arranged spiral salient, under the spiral salient and directing plate of swivel becket 11 The helicla flute on surface is coupled, and mounting cylinder 3, the axis and the outer circle phase of mounting base 2 of mounting cylinder 3 is arranged in the side of mounting base 2 Cut, worm screw 10 be set inside mounting cylinder 3, the output axis connection of the shaft of worm screw 10 and motor 4, motor 4 by switch with it is external Worm gear ring is fixedly installed in power supply connection, the external of swivel becket 11, and worm gear ring engages installation, 2 lower ending opening of mounting base with worm screw 10 Place's fixed setting pedestal 1, pedestal 1 includes upper plate and lower plate, and is fixedly connected between upper plate and lower plate by vertical connecting column, Upper plate and mounting base 2 are fixedly mounted, and lifter plate 8 are arranged inside pedestal 1, the lower surface middle position of lifter plate 8 is vertically arranged gas Dynamic telescopic rod 29, the lower end of Pneumatic extension bar 29 and the lower plate of pedestal 1 are fixedly mounted, and the upper surface of lifter plate 8 is uniformly set Set three sliding slots, the sliding slot on 8 surface of lifter plate and the sliding slot arranged for interval on 2 surface of mounting base, the installation expansion of sliding slot internal engagement Column 6,6 lower end of expansion column are connect by Pneumatic extension bar 1 with lifter plate 8, and Pneumatic extension bar 1 and pneumatic telescopic rod 29 are logical Tracheae is crossed to be connected to external Pneumatic controller；

Fixture block 5 is combination fixture block, and fixture block 5 includes bootstrap block and three fixed blocks, fixed block and bootstrap block fixed and arranged, and The fixed block and bootstrap block of outermost end are fixedly mounted, and the highest face of the fixed block of rear end is gradually reduced, and the fixation of outermost end Threaded hole is arranged in block surface, and through-hole, and remaining fixed block is arranged in remaining fixed block and outermost end fixed block threaded hole corresponding position It is fixedly mounted, is replaced after facilitating fixed block to wear, and can be according to workpieces processing by bolt and the fixed block of outermost end Specification replace the fixed block that adapts to therewith, to promote positioning accuracy；

3 both ends of mounting cylinder are respectively provided with opening, and end cap is fixedly mounted in opening, and mounting hole, worm screw are arranged among end cap 10 both ends pass through bearing pair respectively and the mounting hole of end cap is coupled, and convenient for the installation of worm screw 10, and are easily installed cylinder 3 The addition of internal lubrication oil；

6 upper end of expansion column is cylinder, and sliding block is arranged in 6 lower end of expansion column, and the sliding slot cooperation on sliding block and 8 surface of lifter plate is pacified Dress, and Pneumatic extension bar 1, the axis and sliding slot of Pneumatic extension bar 1 is fixedly installed in both ends respectively inside the sliding slot of lifter plate 8 Move towards be overlapped, and the sliding block of the free end of Pneumatic extension bar 1 and 6 bottom of expansion column is fixedly mounted；

The ear mount of three arcs is uniformly arranged outside the lower plate of pedestal 1, and the lowest surfaces of ear mount are lower than the lower surface of lower plate, And the strip-shaped hole of ear mount surface setting arc, reduce the planarity requirements to 1 lower plate of pedestal, while the strip-shaped hole of the arc of ear mount Facilitate and fixes pedestal 1 by the dovetail groove of bolt and workbench.

When in use: when processing to off-gauge polygonal nut, milling is carried out to the outer surface of nut first, When initial position, fixed block is in the center of mounting base 2, and workpiece is placed on to the outside for being sleeved on fixed block, and motor 4 drives Worm screw 10 rotates, and worm screw 10 and worm gear ring act on, and drives swivel becket 11 to rotate, the spiral salient and bootstrap block on 11 surface of swivel becket Helicla flute effect, drive bootstrap block move out, to make the inner wall contact squeeze of fixed block and workpiece, so that workpiece be consolidated Fixed, milling cutter carries out milling to outer workpiece, after the completion, while the synchronous shortening of three Pneumatic extension bars 1, expansion column 6 is pneumatic It under the action of telescopic rod 1, moves outward, so that the inner wall of workpiece be clamped, motor 4 is inverted at this time, fixed block and workpiece Inner wall is detached from, and Pneumatic extension bar 29 extends, and lifter plate 8 is driven to rise, to drive workpiece to rise, until workpiece and fixed block It is detached from, motor 4 quickly rotates forward, and fixed block is made to move to outer workpiece, and then Pneumatic extension bar 29 shortens, and declines workpiece, electricity Machine 4 inverts, and drives fixed block to contract, clamps fixed block by the outer wall of workpiece, and then Pneumatic extension bar 1 extends, and makes Expansion column 6 and workpiece inner wall are detached from, and Pneumatic extension bar 29 continues to shorten, and are detached from expansion column 6 and workpiece, are then used Thread rolling cutter Rolled thread is carried out to workpiece inner wall.

The utility model is used is arranged lifter plate 8 inside jig, and the mode of expansion column 6 is arranged inside lifter plate 8, in conjunction with Fixture block 5 outside mounting base 2 can clamp workpiece interior and exterior, workpiece is made to have a variety of method of clamping, and a variety of clamping sides Mutual disassembly's workpiece is not necessarily to when formula switches, and machining accuracy is effectively ensured without relocating in handoff procedure.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of machining jig, including pedestal (1) and mounting base (2), it is characterised in that: the mounting base (2) is internal For hollow structure, and the lower end of mounting base (2) is arranged opening, and the mounting base (2) is cirque structure, and mounting base (2) Upper surface is uniformly arranged three sliding slots, and the trend of the sliding slot is overlapped with the radial direction of mounting base (2), the sliding slot internal engagement peace Directing plate is fixedly installed in clamping block (5), fixture block (5) lower end, and helicla flute, the installation is arranged in the lower surface of the directing plate It is coupled swivel becket (11) inside seat (2) by bearing pair, spiral salient is arranged in the upper surface of the swivel becket (11), described The spiral salient of swivel becket (11) and the helicla flute of directing plate lower surface are coupled, and peace is arranged in the side of the mounting base (2) Fitted tube (3), the axis of the mounting cylinder (3) and the outer circle of mounting base (2) are tangent, and worm screw is arranged inside the mounting cylinder (3) (10), the output axis connection of the shaft of the worm screw (10) and motor (4), the motor (4) are connected by switch and external power supply It connects, worm gear ring is fixedly installed in the external of the swivel becket (11), and the worm gear ring engages installation, the mounting base with worm screw (10) (2) pedestal (1) is fixedly installed at lower ending opening, the pedestal (1) includes upper plate and lower plate, and by perpendicular between upper plate and lower plate Straight connecting column is fixedly connected, and the upper plate and mounting base (2) are fixedly mounted, and lifter plate (8) are arranged inside the pedestal (1), The lower surface middle position of the lifter plate (8) is vertically arranged Pneumatic extension bar two (9), under the Pneumatic extension bar two (9) The lower plate at end and pedestal (1) is fixedly mounted, and the upper surface of lifter plate (8) is uniformly arranged three sliding slots, lifter plate (8) table The sliding slot in face and the sliding slot arranged for interval on mounting base (2) surface, the sliding slot internal engagement install expansion column (6), the expansion Column (6) lower end is connect by Pneumatic extension bar one (7) with lifter plate (8), the Pneumatic extension bar one (7) and pneumatic telescopic rod two (9) it is connected to by tracheae with external Pneumatic controller.

2. a kind of machining jig according to claim 1, it is characterised in that: the fixture block (5) is combination fixture block, The fixture block (5) includes bootstrap block and three fixed blocks, the fixed block and bootstrap block fixed and arranged, and the fixed block of outermost end It is fixedly mounted with bootstrap block, and the highest face of the fixed block of rear end is gradually reduced, and screw thread is arranged in the fixed block surface of outermost end Hole, remaining fixed block and outermost end fixed block threaded hole corresponding position are arranged through-hole, and remaining fixed block by bolt with it is outermost The fixed block at end is fixedly mounted.

3. a kind of machining jig according to claim 1, it is characterised in that: mounting cylinder (3) both ends are all provided with Opening is set, and end cap is fixedly mounted in opening, and mounting hole is arranged among end cap, the both ends of the worm screw (10) pass through axis respectively The secondary mounting hole with end cap is held to be coupled.

4. a kind of machining jig according to claim 1, it is characterised in that: expansion column (6) upper end is circle Column, and sliding block is arranged in expansion column (6) lower end, the sliding block and the sliding slot on lifter plate (8) surface are coupled, and lifter plate (8) Sliding slot inside both ends Pneumatic extension bar one (7), the axis of the Pneumatic extension bar one (7) and walking for sliding slot are fixedly installed respectively To coincidence, and the sliding block of the free end of Pneumatic extension bar one (7) and expansion column (6) bottom is fixedly mounted.

5. a kind of machining jig according to claim 1, it is characterised in that: outside the lower plate of the pedestal (1) It is uniformly arranged the ear mount of three arcs, and the lowest surfaces of ear mount are lower than the lower surface of lower plate, and the item of ear mount surface setting arc Shape hole.