CN109047872A - A kind of speed-adjustable brake disc Milling Machine - Google Patents

Abstract

The present invention relates to automobile parts processing technique fields, in particular to a kind of speed-adjustable brake disc Milling Machine, including workbench, Working piece positioning device, support device, milling attachment, driving device and speed regulation device, the speed regulation device includes the first transmission component, first regulating module, second transmission component and the second regulating module, the milling attachment includes milling component, the present invention is when needing to adjust the Milling Speed of brake disc, driving force is provided by driving assembly first, the first transmission component is driven to be rotated, first regulating module and the first transmission component have several gear engaged transmission modes, there is provided the first regulating module several different revolving speeds, the rotation of the second regulating module is driven by the first regulating module again, therefore the second transmission component velocity of rotation is adjustable, second transmission component finally drives milling component to be rotated, milling Component revolving speed is adjustable, and positioning component is mainly used to fix brake disc and adjusts the position of brake disc.

Description

A kind of speed-adjustable brake disc Milling Machine

Technical field

The present invention relates to automobile parts processing technique field, in particular to a kind of speed-adjustable brake disc Milling Machine.

Background technique

Brake disc is exactly in simple terms a round plate, it is also rotation when car is advanced.Brake caliper is clamped Brake disc and generate brake force, be exactly that it clamps brake disc and plays the role of slowing down or stopping when touching on the brake.

Brake disc processing can be related to Milling Process many times, and each milling requires difference to milling revolving speed due to precision etc. It is required that also different, and general Milling Speed is non-adjustable at present, and when brake disc Milling Process may need several different lathes It completes the process jointly, it is more troublesome.

China's patent publication No.: CN103551891A；Publication date: 2014.02.05 discloses a kind of automobile torsion beam brake disc Milling tool for end face is installed and is provided with the lining ring to torsion-beam trailing arm both side ends on bottom plate including the bottom plate for placing torsion-beam The fixed mechanism being fixed and the bracketing block for bracketing torsion-beam trailing arm other side both ends hollow pipe A, the top of bracketing block It is provided with fixture, the upper surface of the bracketing block is in the plate of indentation shape, which can cut processing washing to brake side surface When keep brake disc not generate deformation because of stress, but lathe itself does not have speed-regulating function.

Summary of the invention

In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of speed-adjustable brake disc Milling Machine.

To solve the above problems, the present invention is the following technical schemes are provided: a kind of speed-adjustable brake disc Milling Machine, including Workbench, the Working piece positioning device that bench-top is arranged in, the support device that bench-top is arranged in, setting are filled in support The milling attachment of side, the driving device being arranged at the top of support device and the speed regulation device being arranged in inside support device are set, The Working piece positioning device includes positioning component, and the positioning component is slidably disposed in the top of workbench, the support Device includes support component, and the support component is fixed at the top of workbench, and the driving device includes driving assembly, The driving component is fixed at the top of support component and is sequentially connected with speed regulation device, and the speed regulation device includes first Transmission component, the first regulating module, the second transmission component and the second regulating module, first transmission component are rotatably arranged It is sequentially connected in support component and with driving assembly, first regulating module is arranged in support component and is driven with first Component transmission connection, second regulating module are arranged on the first regulating module and are sequentially connected with the first regulating module, institute The rotatable grafting of the second transmission component is stated to be arranged in support component and transmit connection, the milling dress with the second regulating module It sets including milling component, the milling component is fixed at support component side and is sequentially connected with the second transmission component.

Further, first transmission component includes first rotating shaft, first gear group and the first support base, described The rotatable grafting in one end of first rotating shaft is arranged in support component, and the rotatable grafting of the other end of the first rotating shaft is set It sets in the first support base, the first gear group includes integrally formed first stud gear, second stud gear and third Transmission gear, the first gear group is non-rotatable to be set in first rotating shaft.

Further, first regulating module includes the second shaft, second gear group, shifting device and two stable axis It holds, the rotatable grafting of the second shaft is arranged in support component, and the both ends of second shaft are arranged with one respectively Stable bearing, the second gear group include integrally formed first governor gear, the second governor gear and third governor gear, Fixed interval (FI), the second gear group are equipped between first governor gear, the second governor gear and third governor gear It is slidable it is non-rotatable be set in the second shaft, the shifting device is spindle rotationally arranged in support component and with second Gear set is slidably connected, and the second gear group is engaged with first gear group.

Further, the shifting device includes third shaft, driving switch and two gear shifting blocks, and the third shaft can The grafting of rotation is arranged in support component, the non-rotatable one end for being set in third shaft of the driving switch, and described group One end of block is set in third shaft, and the other end is plugged in second gear group and is slidably connected with second gear group, described The both ends of third shaft are arranged a fixing bearing respectively.

Further, second transmission component include the 4th shaft, first gear group and the first umbrella tooth, described 4th turn The rotatable grafting in axis one end is arranged in support component, and the other end is spindle rotationally arranged in the first support base, and described first Gear set is non-rotatable to be set in the 4th shaft, described non-rotatable one end that the 4th shaft is arranged in of first umbrella tooth.

Further, second regulating module includes second gear group and shifting device, and the second gear group is slidably Non-rotatable to be set in the second shaft, the shifting device is spindle rotationally arranged in support component and slides with second gear group Dynamic connection.

Further, the milling component includes lifting cylinder, the second umbrella tooth, supporting box, milling head and two for solid The limit film of fixed second umbrella tooth, the supporting box are fixed in support component, and the lifting cylinder is fixed at branch The top of cabinet is supportted, the output end self-supporting top of the box of the lifting cylinder is passed down through supporting box and extends downwardly, institute It states the second umbrella tooth slidably to engage on the non-rotatable output end that lifting cylinder is arranged in and with the first umbrella tooth, the milling head is solid It is arranged on the output end of lifting cylinder calmly, each limit film is arranged in one end of the second umbrella tooth and is set in lifting cylinder Output end on, the limit film is fixedly connected with supporting box inner sidewall.

Further, the positioning component includes sliding panel and gripper cylinder, the sliding panel can longitudinal sliding motion setting At the top of workbench, what the gripper cylinder can slide laterally is arranged in the top of sliding panel.

Further, the driving component includes driving motor, driving gear, belt and driven gear, the driving electricity Machine is fixed in support component, and gear is non-rotatable is set on the output end of driving motor for the driving, it is described from Moving gear is non-rotatable to be set in first rotating shaft, and the belt is respectively sleeved on driving gear and driven gear.

Further, the support component includes support column and bearing box, and the support column is fixed at workbench Top, the bearing box are fixed at the top of support column, and the bearing box is hollow structure.

The utility model has the advantages that a kind of speed-adjustable brake disc Milling Machine of the invention, when the milling speed for needing to adjust brake disc When spending, driving force is provided by driving assembly first, the first transmission component is driven to be rotated, the first regulating module and the first transmission Component has several gear engaged transmission modes, therefore is capable of providing several different revolving speeds of the first regulating module, then adjusted by first Fast component drives the rotation of the second regulating module, and because the second regulating module and the second transmission component equally have several gears to engage Mode, therefore the second transmission component velocity of rotation is adjustable, and the second transmission component finally drives milling component to be rotated, milling Component revolving speed is adjustable, and positioning component is mainly used to fix brake disc and adjusts the position of brake disc.

Detailed description of the invention

Fig. 1 is schematic perspective view of the invention；

Fig. 2 is side view of the invention；

Fig. 3 is the cross-sectional view in Fig. 2 along line A-A；

Fig. 4 is stereo-resolution structural schematic diagram of the invention；

Fig. 5 is the partial structural diagram one of speed regulation device of the present invention；

Fig. 6 is the partial structural diagram two of speed regulation device of the present invention；

Fig. 7 is the enlarged diagram in Fig. 6 at B；

Fig. 8 is the local fractionation structural representation two of milling attachment of the present invention；

Fig. 9 is the enlarged diagram in Fig. 8 at C；

Figure 10 is local fractionation structural representation of the invention；

Description of symbols: workbench 1, Working piece positioning device 2, positioning component 2a, sliding panel 2b, gripper cylinder 2c, support dress Set 3, support component 3a, support column 3b, bearing box 3c, milling attachment 4, milling component 4a, lifting cylinder 4b, the second umbrella tooth 4c, Supporting box 4d, milling head 4e, limit film 4f, driving device 5, driving assembly 5a, driving motor 5b drive gear 5c, belt 5d, Driven gear 5e, speed regulation device 6, the first transmission component 6a, the first regulating module 6b, the second transmission component 6c, the second speed regulation group Part 6d, first rotating shaft 6e, first gear group 6f, the first support base 6g, the second shaft 6h, second gear group 6i, shifting device 6j, surely Dead axle holds 6k, third shaft 6m, driving switch 6n, gear shifting block 6p, the 4th shaft 6q, first umbrella tooth 6r.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are described in further detail:

It is pushed up referring to figs. 1 to a kind of speed-adjustable brake disc Milling Machine shown in Fig. 10, including workbench 1, setting in workbench 1 The Working piece positioning device 2 in portion, the support device 3 that 1 top of workbench is set, the milling attachment that 3 side of support device is set 4, the speed regulation device 6 that the driving device 5 at 3 top of support device is set and is arranged in inside support device 3, the workpiece positioning Device 2 includes positioning component 2a, and the positioning component 2a is slidably disposed in the top of workbench 1, and the support device 3 is wrapped Support component 3a is included, the support component 3a is fixed at the top of workbench 1, and the driving device 5 includes driving assembly 5a, the driving component 5a are fixed at the top of support component 3a and are sequentially connected with speed regulation device 6, the speed regulation device 6 include the first transmission component 6a, the first regulating module 6b, the second transmission component 6c and the second regulating module 6d, and described first passes Dynamic component 6a is spindle rotationally arranged in support component 3a and is sequentially connected with driving assembly 5a, and the first regulating module 6b is set It sets in support component 3a and is sequentially connected with the first transmission component 6a, the second regulating module 6d is arranged in the first speed regulation group It is sequentially connected on part 6b and with the first regulating module 6b, the rotatable grafting of the second transmission component 6c is arranged in support component 3a is upper and transmits connection with the second regulating module 6d, and the milling attachment 4 includes milling component 4a, and the milling component 4a is fixed Setting is sequentially connected in support component 3a side and with the second transmission component 6c, and brake disc processing can be related to milling many times and add Work, each milling is since precision etc. requires the different requirements to milling revolving speed also different, when the milling for needing to adjust brake disc When speed, first by driving assembly 5a provide driving force, drive the first transmission component 6a rotated, the first regulating module 6b and First transmission component 6a has several gear engaged transmission modes, therefore is capable of providing several different turns of the first regulating module 6b Speed, then the second regulating module 6d rotation, and because the second regulating module 6d and the second transmission group are driven by the first regulating module 6b Part 6c equally has the mode of several gear engagements, therefore the second transmission component 6c velocity of rotation is adjustable, and the second transmission component 6c is most Milling component 4a is driven to be rotated eventually, milling component 4a revolving speed is adjustable, and positioning component 2a is mainly used to fix brake disc and tune The position of whole brake disc.

The first transmission component 6a includes first rotating shaft 6e, first gear group 6f and the first support base 6g, described The rotatable grafting in one end of first rotating shaft 6e is arranged on support component 3a, and the other end of the first rotating shaft 6e is rotatable Grafting is arranged in the first support base 6g, and the first gear group 6f includes integrally formed first stud gear, the second speed change Gear and third transmission gear, the first gear group 6f is non-rotatable to be set on first rotating shaft 6e, as first rotating shaft 6e Rotation will drive first gear group 6f to rotate, and the first support base 6g is used to that first rotating shaft 6e is supported to rotate.

The first regulating module 6b includes the second shaft 6h, second gear group 6i, shifting device 6j and two stable bearings 6k, the rotatable grafting of the second shaft 6h are arranged on support component 3a, and the both ends of the second shaft 6h are arranged respectively Having stable bearing a 6k, the second gear group 6i includes integrally formed first governor gear, the second governor gear and Three governor gears are equipped with fixed interval (FI) between first governor gear, the second governor gear and third governor gear, described Second gear group 6i is slidably non-rotatable to be set on the second shaft 6h, and the shifting device 6j is spindle rotationally arranged in branch It is slidably connected on support component 3a and with second gear group 6i, the second gear group 6i is engaged with first gear group 6f, and first becomes Fast gear, second stud gear and third transmission gear are respectively at the first governor gear, the second governor gear and third timing gear It takes turns corresponding, the mode of three kinds of gears engagement is provided, so that the second shaft 6h, there are three types of velocity of rotation, shifting device 6j can The lateral position of second gear group 6i is adjusted, and then plays the role of speed regulation, stable bearing 6k is used to that the second shaft 6h is supported to rotate.

The shifting device 6j includes third shaft 6m, driving switch 6n and two gear shifting blocks 6p, the third shaft 6m Rotatable grafting is arranged on support component 3a, and the driving switch 6n is non-rotatable to be set in the one of third shaft 6m End, one end of the shifting block is set on third shaft 6m, the other end be plugged on second gear group 6i and with second gear group 6i is slidably connected, and the both ends of the third shaft 6m are arranged a fixing bearing respectively, being capable of band by rotation driving switch 6n Dynamic third shaft 6m is rotated, and third shaft 6m rotation will drive two gear shifting block 6p to rotate again, gear shifting block 6p It stirs second gear group 6i and then achievees the purpose that adjust revolving speed.

The second regulating module 6d include second gear group 6i and shifting device 6j, the second gear group 6i slidably not It is rotatably set on the second shaft 6h, the shifting device 6j is spindle rotationally arranged on support component 3a and and second gear Group 6i is slidably connected, and as the second shaft 6h rotates, the second gear group 6i in the second regulating module 6d and then rotates, shifting device 6j can adjust the lateral position of second gear group 6i.

The second transmission component 6c include the 4th shaft 6q, first gear group 6f and the first umbrella tooth 6r, described 4th turn The rotatable grafting in the one end axis 6q is arranged on support component 3a, and the other end is spindle rotationally arranged in the first support base 6g, institute State that first gear group 6f is non-rotatable to be set on the 4th shaft 6q, the first umbrella tooth 6r is non-rotatable to be arranged the 4th One end of shaft 6q, the second gear group 6i in the second regulating module 6d are able to drive the first gear in the second transmission component 6c Group 6f rotate and can be adjusted three kinds of different speed by shifting device 6j, and then controls the revolving speed of the 4th shaft 6q, the Four shaft 6q are able to drive the first umbrella tooth 6r and are rotated.

The milling component 4a includes lifting cylinder 4b, the second umbrella tooth 4c, supporting box 4d, milling head 4e and two for solid The limit film 4f of fixed second umbrella tooth 4c, the supporting box 4d are fixed on support component 3a, and the lifting cylinder 4b is solid The top of supporting box 4d is set calmly, is passed down through support case at the top of the output end self-supporting cabinet 4d of the lifting cylinder 4b Body 4d is simultaneously extended downwardly, and the second umbrella tooth 4c is slidably on the non-rotatable output end that lifting cylinder 4b is arranged in and with One umbrella tooth 6r engagement, the milling head 4e are fixed on the output end of lifting cylinder 4b, and each limit film 4f setting exists One end of second umbrella tooth 4c is simultaneously set on the output end of lifting cylinder 4b, and the limit film 4f and supporting box 4d inner sidewall are solid Fixed connection, the first umbrella tooth 6r rotation are able to drive the second umbrella tooth 4c and are rotated, and the second umbrella tooth 4c rotation will be further driven to again Lifting cylinder 4b output end and milling head 4e are rotated, and lifting cylinder 4b can go up and down milling head 4e, two limit film 4f The position of the second umbrella tooth 4c is limited, so that the second umbrella tooth 4c maintains certain height.

The positioning component 2a include sliding panel 2b and gripper cylinder 2c, the sliding panel 2b can the setting of longitudinal sliding motion exist The top of workbench 1, the top that sliding panel 2b is arranged in that the gripper cylinder 2c can slide laterally, sliding panel 2b can be in work Make longitudinal sliding motion on platform 1, gripper cylinder 2c can slide laterally on sliding panel 2b, and then adjust the horizontal position of brake disc.

The driving component 5a includes driving motor 5b, driving gear 5c, belt 5d and driven gear 5e, the driving electricity Machine 5b is fixed on support component 3a, the non-rotatable output end for being set in driving motor 5b of the driving gear 5c On, the driven gear 5e is non-rotatable to be set on first rotating shaft 6e, and the belt 5d is respectively sleeved at driving gear 5c On driven gear 5e, driving motor 5b is opened, driving motor 5b rotation will drive driving gear 5c to rotate, drive gear 5c rotation will drive belt 5d and driven gear 5e to rotate again, and then drive first rotating shaft 6e rotation.

The support component 3a includes that support column 3b and bearing box 3c, the support column 3b are fixed at workbench 1 Top, the bearing box 3c are fixed at the top of support column 3b, and the bearing box 3c is hollow structure, and support column 3b is used to Support bearing case 3c, bearing box 3c are used to carry driving assembly 5a and speed regulation device 6.

Working principle: brake disc processing can be related to Milling Process many times, and each milling requires difference right due to precision etc. The requirement of milling revolving speed is also different, when needing to adjust the Milling Speed of brake disc, opens driving motor 5b, driving motor 5b Rotation will drive driving gear 5c to rotate, and driving gear 5c rotation will drive belt 5d and driven gear 5e to revolve again Turn, and then drive first rotating shaft 6e rotation, when first rotating shaft 6e rotation, first gear group 6f will be driven to rotate, first Support seat 6g is used to that first rotating shaft 6e is supported to rotate, and first stud gear, second stud gear and third transmission gear are respectively at the One governor gear, the second governor gear and third governor gear are corresponding, provide the mode of three kinds of gears engagement, so that the There are three types of velocity of rotation, shifting device 6j can adjust the lateral position of second gear group 6i by two shaft 6h, and then plays speed regulation and make With stable bearing 6k is used to that the second shaft 6h is supported to rotate, and is able to drive third shaft 6m progress by rotating driving switch 6n Rotation, third shaft 6m rotation will drive two gear shifting block 6p to rotate again, and gear shifting block 6p stirs second gear group 6i And then achieve the purpose that adjust revolving speed, as the second shaft 6h rotates, the second gear group 6i in the second regulating module 6d is followed Rotation, shifting device 6j can adjust the lateral position of second gear group 6i, the second gear group 6i energy in the second regulating module 6d Enough drive the first gear group 6f in the second transmission component 6c rotate and by shifting device 6j can adjust three kinds it is different Speed, and then the revolving speed of the 4th shaft 6q is controlled, the 4th shaft 6q is able to drive the first umbrella tooth 6r and is rotated, the first umbrella tooth 6r Rotation is able to drive the second umbrella tooth 4c and is rotated, the second umbrella tooth 4c rotation will be further driven to again lifting cylinder 4b output end and Milling head 4e is rotated, and lifting cylinder 4b can go up and down milling head 4e, and two limit film 4f limit the position of the second umbrella tooth 4c Set so that the second umbrella tooth 4c maintains certain height, sliding panel 2b can the longitudinal sliding motion on workbench 1, gripper cylinder 2c energy It is enough to be slid laterally on sliding panel 2b, and then adjust the horizontal position of brake disc.Friction speed is carried out to brake disc different location Milling Process.

The above described is only a preferred embodiment of the present invention, not making any limit to technical scope of the invention System, therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, In the range of still falling within technical solution of the present invention.

Claims (10)

1. a kind of speed-adjustable brake disc Milling Machine, it is characterised in that: including workbench (1), setting at the top of workbench (1) Working piece positioning device (2), be arranged support device (3) at the top of workbench (1), setting support device (3) side milling The speed regulation device of turning device (4), the driving device (5) being arranged at the top of support device (3) and setting in support device (3) inside (6), the Working piece positioning device (2) includes positioning component (2a), and the positioning component (2a) is slidably disposed in workbench (1) top, the support device (3) include support component (3a), and the support component (3a) is fixed at workbench (1) Top, the driving device (5) includes driving assembly (5a), and the driving component (5a) is fixed at support component (3a) Top and with speed regulation device (6) be sequentially connected, the speed regulation device (6) include the first transmission component (6a), the first speed regulation group Part (6b), the second transmission component (6c) and the second regulating module (6d), first transmission component (6a) are spindle rotationally arranged in It is sequentially connected in support component (3a) and with driving assembly (5a), first regulating module (6b) is arranged at support component (3a) Interior and be sequentially connected with the first transmission component (6a), second regulating module (6d) is arranged on the first regulating module (6b) simultaneously It is sequentially connected with the first regulating module (6b), the rotatable grafting of second transmission component (6c) is arranged at support component (3a) It transmits above and with the second regulating module (6d) and connects, the milling attachment (4) includes milling component (4a), the milling component (4a) is fixed at support component (3a) side and is sequentially connected with the second transmission component (6c).

2. a kind of speed-adjustable brake disc Milling Machine according to claim 1, it is characterised in that: described first passes Dynamic component (6a) includes first rotating shaft (6e), first gear group (6f) and the first support base (6g), the first rotating shaft (6e) The rotatable grafting in one end is arranged on support component (3a), the rotatable grafting setting of the other end of the first rotating shaft (6e) In the first support base (6g), the first gear group (6f) includes integrally formed first stud gear, second stud gear With third transmission gear, the first gear group (6f) is non-rotatable to be set on first rotating shaft (6e).

3. a kind of speed-adjustable brake disc Milling Machine according to claim 2, it is characterised in that: the first speed regulation group Part (6b) includes the second shaft (6h), second gear group (6i), shifting device (6j) and two stable bearings (6k), and described second turn The rotatable grafting of axis (6h) is arranged on support component (3a), and the both ends of second shaft (6h) are arranged with one surely respectively Dead axle is held (6k), and the second gear group (6i) includes integrally formed first governor gear, the second governor gear and third tune Fast gear, is equipped with fixed interval (FI) between first governor gear, the second governor gear and third governor gear, and described second Gear set (6i) is slidably non-rotatable to be set on the second shaft (6h), and the shifting device (6j) is spindle rotationally arranged in It is slidably connected in support component (3a) and with second gear group (6i), the second gear group (6i) is nibbled with first gear group (6f) It closes.

4. a kind of speed-adjustable brake disc Milling Machine according to claim 3, it is characterised in that: the shifting device (6j) Including third shaft (6m), driving switch (6n) and two gear shifting blocks (6p), the rotatable grafting of the third shaft (6m) It is arranged on support component (3a), described non-rotatable one end for being set in third shaft (6m) of driving switch (6n) is described One end of shifting block is set on third shaft (6m), the other end be plugged on second gear group (6i) and with second gear group (6i) It is slidably connected, the both ends of the third shaft (6m) are arranged a fixing bearing respectively.

5. a kind of speed-adjustable brake disc Milling Machine according to claim 4, it is characterised in that: second transmission group Part (6c) includes the 4th shaft (6q), first gear group (6f) and the first umbrella tooth (6r), and described 4th shaft (6q) one end can turn Dynamic grafting is arranged on support component (3a), and the other end is spindle rotationally arranged in the first support base (6g), first tooth Wheel group (6f) is non-rotatable to be set in the 4th shaft (6q), and first umbrella tooth (6r) is non-rotatable to be arranged at the 4th turn One end of axis (6q).

6. a kind of speed-adjustable brake disc Milling Machine according to claim 5, it is characterised in that: the second speed regulation group Part (6d) includes second gear group (6i) and shifting device (6j), and the second gear group (6i) is slidably non-rotatable to be set in In second shaft (6h), the shifting device (6j) is spindle rotationally arranged on support component (3a) and slides with second gear group (6i) Dynamic connection.

7. a kind of speed-adjustable brake disc Milling Machine according to claim 6, it is characterised in that: the milling component (4a) includes lifting cylinder (4b), the second umbrella tooth (4c), supporting box (4d), milling head (4e) and two for fixing the second umbrella tooth The limit film (4f) of (4c), the supporting box (4d) are fixed on support component (3a), and the lifting cylinder (4b) is solid Fixed setting is passed down through at the top of the top of supporting box (4d), the output end self-supporting cabinet (4d) of the lifting cylinder (4b) Supporting box (4d) simultaneously extends downwardly, and second umbrella tooth (4c) is slidably non-rotatable to be arranged in the defeated of lifting cylinder (4b) It is engaged in outlet and with the first umbrella tooth (6r), the milling head (4e) is fixed on the output end of lifting cylinder (4b), each The limit film (4f) is arranged one end in the second umbrella tooth (4c) and is set on the output end of lifting cylinder (4b), the limit Piece (4f) is fixedly connected with supporting box (4d) inner sidewall.

8. a kind of speed-adjustable brake disc Milling Machine according to claim 7, it is characterised in that: the positioning component (2a) includes sliding panel (2b) and gripper cylinder (2c), the sliding panel (2b) can longitudinal sliding motion setting in workbench (1) Top, the setting that the gripper cylinder (2c) can slide laterally is at the top of sliding panel (2b).

9. a kind of speed-adjustable brake disc Milling Machine according to claim 8, it is characterised in that: the driving component (5a) includes driving motor (5b), driving gear (5c), belt (5d) and driven gear (5e), and the driving motor (5b) is fixed It is arranged on support component (3a), on the non-rotatable output end for being set in driving motor (5b) of driving gear (5c), The driven gear (5e) is non-rotatable to be set on first rotating shaft (6e), and the belt (5d) is respectively sleeved at driving gear On (5c) and driven gear (5e).

10. a kind of speed-adjustable brake disc Milling Machine according to claim 9, it is characterised in that: the support component (3a) includes support column (3b) and bearing box (3c), and the support column (3b) is fixed at the top of workbench (1), described to hold The top that case (3c) is fixed at support column (3b) is carried, the bearing box (3c) is hollow structure.