CN208261948U - Slotting tool for highly-efficient processing keyway - Google Patents

Abstract

The slotting tool for highly-efficient processing keyway of the utility model, including slotting tool pin hole, slotting tool body, cutter head, it is characterised in that: the slotting tool body back disposes cutter head side at low early and high after inclined-plane at plane, cutter head disposes at interval, and edge is higher than edge along the cutter head of front on subsequent cutter head；The interval is greater than the thickness of workpiece keyway machined surface；In placement cutter head side, there is one section of preceding cutter hub for being not higher than first cutter head root not less than gap length, any point before first cutter head of front, there is one section of rear cutter hub for being not higher than the last one cutter head not less than gap length, any point after the last one cutter head.The utility model is using cutter head side at low early and high after inclined-plane, during a slot, the cutter head being higher by below on the basis of cutter head socket depth, continues to deepen slot in front, it only needs a slot that keyway can be worked into the depth of technique requirement, substantially increases the work efficiency of keyway processing.

Description

Slotting tool for highly-efficient processing keyway

Technical field

The utility model relates to machine, it is particularly used for the slotting tool of highly-efficient processing keyway.

Background technique

Keyway processing frequently with method be that fixture is processed into one to be integrally attached on broaching machine, by broaching tool in fixture draw It is moved in slot, completes to draw keyway operation.The patent of CN204122838U discloses a kind of crankshaft toothed wheel keyway organisation of working, including Gear fixture, broaching tool and traction device, broaching tool are fixedly connected by traction device with the pulling shaft of broaching machine, and broaching tool passes through gear fixture Center, the gear fixture include the clamp body being fixed on broaching machine, gear locating shaft are fixed on clamp body, in the fixture The pin positioning device circumferentially positioned to crankshaft toothed wheel is further fixed on body；The pin positioning device is fixed on a left side for broach slot of FIG Top.The keyway processing machine of CN201720446138, including rack, broaching tool, be arranged on the rack traction broaching tool traction mechanism, It is fixed on the rack the mounting portion for installing gear, is to also set up one in the rack with the difference of CN204122838U Cleaning assembly, the cleaning assembly include hairbrush, the actuator that moves along broaching tool cutter groove direction of driving hairbrush；Add carrying out keyway It is cleared up while work by cutter groove of the hairbrush to broaching tool.When work, broaching tool is inserted into from the second slot, by connector It is inserted into from the first slot, thus fixed broaching tool, by geared sleeve on support rod, starting oil cylinder is driven on the mobile processing gear of broaching tool Keyway；Mobile simultaneously in broaching tool, cylinder band electric brush clears up cutter groove, when broaching tool is detached from from gear, oil cylinder Continue to drive the mobile a distance of broaching tool, hairbrush is completed to clear up to broaching tool end.

However above method working efficiency need to be improved.

Utility model content

In order to improve keyway processing efficiency, the utility model provides the slotting tool for being used for highly-efficient processing keyway.For convenience of description, The broaching tool in prior art is renamed as into slotting tool in the technical solution of the utility model.

For the slotting tool of highly-efficient processing keyway, including slotting tool pin hole, slotting tool body, cutter head, it is characterised in that: the slotting tool body Plane is carried on the back into, disposes cutter head side at low early and high after inclined-plane, cutter head disposes at interval, along higher than front on subsequent cutter head Edge on cutter head；

The interval is greater than the thickness of workpiece keyway machined surface；

In placement cutter head side, there is one section to be not higher than not less than gap length, any point before first cutter head of front The preceding cutter hub of first cutter head root, the last one cutter head have one section to be not higher than finally not less than gap length, any point later The rear cutter hub of one cutter head.

Further, 1 ~ 2mm is higher by along than edge on the cutter head of front on subsequent cutter head.

For convenient for assembling workpiece, in the utility model, preceding cutter hub is the plane concordant with first cutter head root.

In order to make full use of the last one cutter head, rear cutter hub is the plane concordant with the last one cutter head root, or for Any point is not higher than the inclined-plane of the last one cutter head in gap length.

Further preferred embodiment is: cutter head is disposed at race and for race interval, and every race is 2 ~ 3 cutter heads nestled up, Cutter head in race is at low early and high after, 1 ~ 2mm of difference；

Race interval is greater than the thickness of workpiece keyway machined surface.

More preferred scheme is: first cutter head of rear blade race is higher than the last one cutter head of adjacent preceding cutter head race 1~2mm。

The utility model using cutter head side at low early and high after inclined-plane, during a slot, the knife that is higher by below Head on the basis of cutter head socket depth, continues to deepen slot, it is only necessary to which one time keyway can be worked into technique by slot in front It is required that depth, substantially increase keyway processing work efficiency.Work efficiency can be improved 10 ~ 20 times in practical application.

Detailed description of the invention

Fig. 1 is the keyway highly-efficient processing equipment top view of the slotting tool for being configured with the utility model.

Fig. 2 is the lower view of Fig. 1.

Fig. 3 is the main view of slotting tool.

Appended drawing reference in figure are as follows: oil cylinder 1, push-pull rod 2, sliding block 3, pin shaft 4, sliding block auris dextra 5, right slide bar 6, slotting tool 7, rack 8, workpiece support block 9, left screw rod 10, left compression bar 11, left rotation shaft 12, left fixed block 13, left slide bar 14, the left ear 15 of sliding block, on Bearing 16 supports balancing pole 17, workpiece support platform 18, rack foot 19, lower bearing 20, screw rod 21, screw rod rotation set 22, support table foot 23, turntable 24, reinforcing rib 25, slotting tool through-hole 26, slotting tool pin hole 27, the second first, cutter head race cutter head 28, the first cutter head race Three cutter heads 29, the first first, cutter head race cutter head 30.

Specific embodiment

Such as Fig. 1 ~ 2.

A kind of keyway highly-efficient processing equipment, including rack 8, slotting tool 7, the dragger that traction slotting tool 7 in rack 8 is arranged in Structure, the mounting portion for installing workpiece, traction mechanism is by hydraulic system (including oil cylinder 1), push-pull rod 2 and guide rail (i.e. right slide bar 6 With left slide bar 14) it constitutes, mounting portion is fixed in rack 8, is located at outside 8 front end of rack, by two folders of 26 two sides of slotting tool through-hole Tool is constituted, and the fixed block (such as left fixed block 13) of fixture is fixed on the rack, and compression bar (such as left compression bar 11) is by rotation axis (such as a left side Rotation axis 12) connection fixing block (such as left fixed block 13), screw rod (such as left screw rod 10) pass through compression bar (such as left compression bar 11) be spun on machine On frame 8, for adjusting the interval of compression bar (such as left compression bar 11) and rack 8.

The setting of 8 front end of rack is located at the workpiece support platform 18 below mounting portion, and workpiece branch is arranged above workpiece support platform 18 Bracer 9, workpiece support block 9 realize moving up and down for opposite piece supporting table 18 by screw body.

Screw body includes screw rod 21, screw rod rotation set 22 and turntable 24, and screw rod 21 passes through workpiece support platform 18 and workpiece branch The workpiece support block 9 of 18 top of support platform is fixedly connected, and the screw rod rotation set 22 engaged with screw rod 21 is fixed under turntable 24, passes through work Part supporting table 18, screw rod rotation set 22 connect workpiece support platform 18 by two bearings (upper bearing (metal) 16 and lower bearing 20).

Workpiece support block 9 connects 2 support balancing poles 17, and support balancing pole 17 passes through workpiece support platform 18, and can be upper and lower Sliding.

7 rear end of slotting tool by pin shaft 4 connect traction mechanism sliding block 3 sliding block auris dextra 5 and the left ear 15 of sliding block, sliding block 3 with Push-pull rod 2 is fixedly connected, and there are the sliding sleeve (figure covered on left and right slide bar (i.e. right slide bar 6 and left slide bar 14) in the left and right ends of sliding block 3 In be not drawn into).

Such as Fig. 3.

For the slotting tool of highly-efficient processing keyway, including slotting tool pin hole 27, slotting tool body, cutter head, it is characterised in that: the slotting tool Body back disposes cutter head side at low early and high after inclined-plane at plane, and cutter head disposes at interval, along higher than front on subsequent cutter head Cutter head on edge；

The interval L is greater than the thickness of workpiece keyway machined surface；

In placement cutter head side, have before first cutter head 30 of the first cutter head race of front one section not less than gap length L, Any point is not higher than the preceding cutter hub of first 30 root of cutter head of the first cutter head race, have after the last one cutter head one section be not less than between The rear cutter hub of the last one cutter head is not higher than every length, any point.

Preceding cutter hub is the plane concordant with first cutter head root.

Cutter hub is the inclined-plane that any point is not higher than the last one cutter head in gap length afterwards.

Shared cutter head is disposed at race and for race interval, and every race is 3 cutter heads nestled up, the cutter head in race at it is preceding it is low after Height differs 2mm；

Race interval is greater than the thickness of workpiece keyway machined surface, is L.

First cutter head (first cutter head 28 of such as the second cutter head race) of rear blade race is more last than adjacent preceding cutter head race One high 2mm of cutter head (such as the first cutter head race third cutter head 29).

When processing keyway using the keyway highly-efficient processing equipment of the utility model, workpiece is placed on workpiece support block first On 9, turntable 24 is rotated, so that workpiece is faced slotting tool through-hole 26 as workpiece support block 9 is moved up and down to the hole of workpiece, inserts at this time The front end of knife 7 is located in the hole of workpiece.

Left compression bar 11 is turned back, is pressed on workpiece, left screw rod 10 is screwed, left compression bar 11 just tightly pushes down workpiece.To the right Fixture equally operate, finally workpiece is fixed.

Hydraulic system is opened, oil cylinder 1 pushes push-pull rod 2 to advance, and sliding block 3 is pushed (i.e. right along left and right slide bar by push-pull rod 2 Slide bar 6 and left slide bar 14) advance, slotting tool 7, which is also pushed, to advance, and carries out inserting key.

Since placement cutter head side is at low early and high after inclined-plane, on subsequent cutter head along the cutter head for being higher than front edge, with The advance of slotting tool, insert key depth gradually deepen.Slotting tool proceeds to a stroke end, complete once slotting key, at this time keyway Depth is the sum of the height of first the cutter head amount of feeding and the last one cutter head.If first cutter head height (amount of feeding) is 2mm, The height of the last one cutter head is 34mm, then once slotting key can make the depth of keyway reach 36mm.It is inserted with common hilted broadsword head Key operation (once slotting key 2mm) is compared, and work efficiency reaches 18 times.

The interval of cutter head race is arranged, and is in order to which during inserting key, when slotting key depth reaches requirement, realization stops immediately Vehicle, withdrawing, in this way, the depth of keyway can be determined as the height of the last one cutter head of cutter head race when parking before locating interval And the difference of the root of first cutter head 30 of the first cutter head of slotting tool race.So the effect at interval is same one slotting tool, Ke Yiman The requirement of the different slotting key depth of foot.It not only realizes efficiently, and it is multi-purpose to realize a knife.

The utility model is completed to insert key due to being slotting tool forward impelling, and here it is the utility model will be in prior art Broaching tool renames as the reason of slotting tool.

Claims (6)

1. being used for the slotting tool of highly-efficient processing keyway, including slotting tool pin hole, slotting tool body, cutter head, it is characterised in that: the slotting tool body back At plane, dispose cutter head side at low early and high after inclined-plane, cutter head disposes at interval, along the knife for being higher than front on subsequent cutter head Edge on head；

The interval is greater than the thickness of workpiece keyway machined surface；

In placement cutter head side, there is one section to be not higher than first not less than gap length, any point before first cutter head of front The preceding cutter hub of a cutter head root, the last one cutter head have one section to be not higher than the last one not less than gap length, any point later The rear cutter hub of cutter head.

2. the slotting tool according to claim 1 for highly-efficient processing keyway, it is characterised in that: along than preceding on subsequent cutter head Edge is higher by 1 ~ 2mm on the cutter head in face.

3. the slotting tool according to claim 1 for highly-efficient processing keyway, it is characterised in that: preceding cutter hub be and first knife The concordant plane in head root.

4. the slotting tool according to claim 1 for highly-efficient processing keyway, it is characterised in that: rear cutter hub be and the last one The concordant plane in cutter head root, or in gap length any point be not higher than the last one cutter head inclined-plane.

5. the slotting tool according to claim 1 for highly-efficient processing keyway, it is characterised in that: cutter head is at race and is race interval Placement, every race is 2 ~ 3 cutter heads nestled up, and the cutter head in race is at low early and high after, 1 ~ 2mm of difference；

Race interval is greater than the thickness of workpiece keyway machined surface.

6. the slotting tool according to claim 5 for highly-efficient processing keyway, it is characterised in that: first knife of rear blade race Head is 1 ~ 2mm higher than the last one cutter head of adjacent preceding cutter head race.