CN216179284U

CN216179284U - Elastic follow rest

Info

Publication number: CN216179284U
Application number: CN202122760109.3U
Authority: CN
Inventors: 邵建明; 吴冈儒
Original assignee: Shanghai Junzheng Mechanical Equipment Co ltd
Current assignee: Shanghai Junzheng Mechanical Equipment Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The application discloses elasticity follow rest relates to lathe turning auxiliary device field, especially relates to an elasticity follow rest, and it includes the base plate, is provided with the supporting component who is used for radial support work piece on the base plate, is used for polishing the subassembly of polishing of work piece and the runner assembly of rotating the work piece, the supporting component includes the follow rest body, follow rest internal fixation has the lift to the pole, sliding connection has the spring rod in the pole is supported in the lift, spring rod and lift are supported and are provided with the spring between the pole, the both ends difference fixed connection of spring is in the lift and support the interior roof of pole and the one end that the work piece was kept away from to the spring rod, and the spring rod is towards the one end fixedly connected with of work piece and is supported. This application has the effect of strengthening the adaptability to special-shaped axle class work piece.

Description

Elastic follow rest

Technical Field

The application relates to a lathe turning auxiliary device field especially relates to an elasticity follow rest.

Background

The follower is an auxiliary device for radially supporting a rotating workpiece, and is provided to prevent the workpiece from being deformed and bent by a tool and to increase the diameter of the workpiece when machining an elongated shaft, and moves in the axial direction of the workpiece together with the tool when machining. The special-shaped shaft type workpiece is a workpiece with a wavy curved surface on the shaft wall, a supporting rod of a common follow rest is fixed, the position of the supporting rod cannot be adjusted in the working process once being adjusted, and when the special-shaped shaft type workpiece is machined, the follow rest can be separated from the workpiece due to the reduction of the cross section of the workpiece or clamped due to the expansion of the cross section of the workpiece, so that the special-shaped shaft type workpiece cannot be well adapted to the transformation of the cross section of the workpiece.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the adaptability to special-shaped axle class work piece, this application provides an elasticity follow rest.

The application provides a pair of elasticity follow rest adopts following technical scheme:

the utility model provides an elasticity follow rest, includes the base plate, is provided with the supporting component who is used for radial support work piece, the subassembly of polishing that is used for polishing the work piece and the runner assembly who rotates the work piece on the base plate, supporting component includes the follow rest body, follow rest internal fixation has the lift to the pole, sliding connection has the pin rod in the lift to the pole, be provided with the spring between pin rod and the lift to the pole, the both ends difference fixed connection of spring is in the lift to the interior roof of pole and the one end that the work piece was kept away from to the pin rod, and the pin rod is towards the one end fixedly connected with of work piece and is supported the head.

By adopting the technical scheme, the elastic rod slides in the lifting abutting rod and the spring is arranged between the elastic rod and the lifting abutting rod, so that the elastic rod and the workpiece can generate an elastic force perpendicular to the axial direction of the workpiece, the elastic rod is always abutted against the workpiece, and the support of the workpieces such as the different shaft is realized.

Optionally, the lifting support rod and the elastic rod are provided with fixing holes, the two fixing holes are coaxial and are arranged along the axial direction perpendicular to the lifting support rod, and fixing rods penetrate through the two fixing holes.

Through adopting above-mentioned technical scheme, need not the elastic force when handling ordinary work piece, cross the dead lever in two fixed orificess make the bullet pole be fixed in the lift and support the pole, can be better support ordinary work piece.

Optionally, the side wall of the following tool rest body is in threaded connection with a fixed abutting rod, and the fixed abutting rod extends into the following tool rest body and tightly abuts against the lifting abutting rod.

Through adopting above-mentioned technical scheme, can make the lift support the pole and be fixed in the follow rest body through screwing up fixed support the pole, unscrew fixed support the pole and can make the lift support the pole and slide in the follow rest body and play the effect of adjusting lift low beam length.

Optionally, a part of the lifting abutting rod abutting against the fixed abutting rod is a threaded surface.

By adopting the technical scheme, the part of the lifting support rod, which is supported on the fixed support rod, is a threaded surface, so that the friction force between the fixed support rod and the lifting support rod can be increased, and the fixing effect of the fixed support rod on the lifting support rod is enhanced.

Optionally, with rotating on the tool rest body and being connected with the cooling rifle, the muzzle of cooling rifle is towards between supporting component and the subassembly of polishing.

Through adopting above-mentioned technical scheme, supporting component and the subassembly during operation of polishing can produce the heat with the work piece, and the too high heat can make the effect of polishing receive the influence, sprays cooling liquid to the work piece through the cooling rifle and makes the work piece cool down, and the influence of cooling to the effect of polishing.

Optionally, the polishing assembly comprises a polishing knife and a knife rest, the polishing knife is connected to the knife rest in a sliding mode, the cutting edge of the polishing knife faces towards the workpiece, the polishing knife slides in the direction perpendicular to the axial direction of the workpiece, the knife rest is in threaded connection with a knife rest screw rod, and the knife rest screw rod tightly abuts against one side of the polishing knife.

Through adopting above-mentioned technical scheme, the sword slidable of polishing in the knife rest can carry out the not polishing of equidimension to the work piece through the position of adjusting the sword of polishing.

Optionally, the abutting head is made of a flexible material.

Through adopting above-mentioned technical scheme, current head of supporting is the hard material of elasticity range, replaces hard material with flexible material, and flexible material can prevent with the in-process scratch work piece of tool holder body along work piece axial displacement to flexible material has elasticity, can be fit for on the dysmorphism face.

Optionally, a spring is arranged between the abutting head and the lifting abutting rod.

By adopting the technical scheme, the spring is arranged between the abutting head and the lifting abutting rod, so that the elastic force perpendicular to the axial direction of the workpiece can be generated between the abutting head and the workpiece, the abutting head always abuts against the workpiece, and the supporting of the workpieces such as the different shaft is realized.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a spring is arranged between the lifting resisting rod and the elastic rod, so that the lifting resisting rod can be suitable for special-shaped shaft workpieces;

2. the abutting head is made of flexible materials, can prevent the workpiece from being scratched and can be suitable for the opposite surface;

3. the part of the lifting abutting rod abutting against the fixed abutting rod is a threaded surface, and the fixing strength of the fixed abutting rod to the lifting abutting rod is increased by increasing the friction force.

Drawings

Fig. 1 is a schematic view of the overall structure of an elastic follower holder according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a support assembly portion of a resilient follower cage in accordance with an embodiment of the present application.

Fig. 3 is a schematic cross-sectional view of a holder follower body of an elastic holder follower according to an embodiment of the present application.

Figure 4 is a schematic diagram of the configuration of the grinding assembly portion of a resilient follower holder in accordance with an embodiment of the present application.

Fig. 5 is a schematic view of a structure of a resilient follower holder according to an embodiment of the present disclosure.

Description of reference numerals:

1. a substrate; 11. an electric slide rail; 2. a support assembly; 21. a holder body; 22. lifting and lowering the rod; 23. abutting against the head; 24. a spring rod; 25. a spring; 26. a fixing hole; 27. fixing the rod; 28. an arc-shaped frame; 3. polishing the assembly; 31. polishing the knife; 32. a tool holder; 33. a tool holder screw; 34. a sliding groove; 4. a rotating assembly; 5. fixing the abutting rod; 6. a cooling gun.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses elasticity follow rest.

Example 1.

Referring to fig. 1, an elasticity follow rest includes base plate 1, be provided with the supporting component 2 that is used for radial support work piece on the base plate 1, the subassembly 3 that polishes that is used for polishing the work piece and the runner assembly 4 that rotates the work piece, base plate 1 is long rectangular plate, two sets of electronic slide rails 11 that are parallel to each other of fixedly connected with on the base plate 1, electronic slide rail 11 sets up along base plate 1 length direction, fixed connection and sliding connection are on electronic slide rail 11 between supporting component 2 and the subassembly 3 of polishing, runner assembly 4 sets up in the both ends of base plate 1.

Referring to fig. 2 and 3, the supporting assembly 2 includes three sets of tool holder bodies 21 and an arc-shaped frame 28, the arc-shaped frame 28 is semicircular, the three sets of tool holder bodies 21 are fixedly connected to the arc-shaped frame 28 and arranged at equal angles, a lifting resisting rod 22 is slidably connected to the tool holder bodies 21, an elastic rod 24 is slidably connected to the lifting resisting rod 22, a spring 25 is fixedly connected to one end of the elastic rod 24 facing to the inner bottom wall of the lifting resisting rod 22, one end of the spring 25 is fixedly connected to the inner bottom wall of the lifting resisting rod 22, the spring 25 can generate elastic force between the lifting resisting rod 22 and the elastic rod 24, when the special-shaped shaft workpiece is processed, the spring 25 can enable the elastic rod 24 to always abut against the special-shaped shaft workpiece, one end of the elastic rod 24, which faces the workpiece, is fixedly connected with the abutting head 23, the abutting head 23 is made of flexible materials, such as rubber, resin, fiber, etc., and the flexible material has elasticity to adapt to the opposite surface and prevent scratching the workpiece.

Referring to fig. 2 and 3, a fixed resisting rod 5 is connected to the side wall of the following holder body 21 through a thread, the fixed resisting rod extends into the following holder body 21 and tightly resists against the lifting resisting rod 22, the fixed resisting rod 5 is unscrewed to adjust the lifting resisting rod 22 to lift, the part of the lifting resisting rod 22, which is in contact with the fixed resisting rod 5, is a threaded surface, the threaded surface can increase the friction force between the fixed resisting rod 5 and the lifting resisting rod 22, the fixing strength of the fixed resisting rod 5 to the lifting resisting rod 22 is enhanced, the lifting resisting rod 22 and the elastic rod 24 are both provided with fixing holes 26, the two fixing holes 26 are coaxially arranged and are both arranged along the axial direction perpendicular to the lifting low rod 22, fixing rods 27 are connected in the two fixing holes 26 in a penetrating manner, and the fixing rods 27 can fix the elastic rod 24 into the lifting resisting rod 22, the arc-shaped frame 28 is provided with the cooling gun 6, the gun mouth of the cooling gun 6 faces the workpiece, and the cooling gun 6 can spray cooling liquid to the workpiece to cool the workpiece.

Referring to fig. 4, the subassembly 3 of polishing includes polishing sword 31 and knife rest 32, fixed connection between knife rest 32 and the knife rest body 21, sliding tray 34 has been seted up to knife rest 32 side, sliding tray 34 sets up along the axial direction of perpendicular to work piece, polishing sword 31 sliding connection is in sliding tray 34 and the cutting edge is towards the work piece, knife rest 32 top threaded connection has a plurality of knife rest screw rod 33, knife rest screw rod 33 stretches into in the sliding tray 34 and perpendicular tight the top of supporting in the polishing sword 31, unscrew knife rest screw rod 33 and can make polishing sword 31 remove towards the work piece, play and carry out the effect of different degrees of polishing to the work piece.

Referring to fig. 4, the rotating assembly 4 includes two sets of chuck holders 41, the two sets of chuck holders 41 are respectively disposed at two ends of the substrate 1, four-jaw chucks 42 are rotatably connected to the chuck holders 41, the two sets of four-jaw chucks 42 are coaxially disposed, and the workpiece can be clamped between the two sets of four-jaw chucks 42 and rotate together with the four-jaw chucks 42.

The implementation principle of the embodiment 1 is as follows: when a common workpiece is processed, a fixing rod 27 is simultaneously connected in a fixing hole 26 of a following tool rest body 21, a fixing hole 26 of a lifting abutting rod and a fixing hole 26 of an elastic rod 24 in a penetrating manner, the elastic rod 24 is fixed, two ends of the common workpiece are respectively fixed in four-jaw chucks 42 at two ends of a base plate 1, the fixing abutting rods 5 are respectively unscrewed, three groups of lifting abutting rods 22 are adjusted to abut against a head 23 on the surface of the common workpiece, then the fixing abutting rods 5 are screwed down, a tool rest screw 33 is unscrewed, the position of a polishing knife 31 is adjusted according to the required polishing degree, a tool rest screw 33 is screwed down, then the four-jaw chucks 42 and an electric slide rail 11 are started, the four-jaw chucks 42 rotate the common workpiece by taking a shaft thereof as a rotating shaft, and the electric slide rail 11 enables the following tool rest body 21 and the polishing knife 31 to move along the axial direction of the workpiece; when the special-shaped shaft type workpiece is machined, the fixed rod 27 is pulled out, the special-shaped shaft type workpiece is installed in a synchronous step, then the four-jaw chuck 42 and the electric slide rail 11 are started, the elastic rod 24 can slide in the lifting abutting rod 22 by using the spring 25 to adapt to the special-shaped shaft type workpiece during machining, when the temperature of the workpiece is too high, the cooling gun 6 is started to spray cooling liquid to the workpiece to cool the workpiece, after machining is completed, the fixed abutting rod 5 is unscrewed firstly to enable the lifting abutting rod 22 to slide away from the surface of the workpiece, and then the four-jaw chuck 42 is loosened to take down the workpiece to complete machining.

Example 2.

Referring to fig. 5, this embodiment is different from embodiment 1 in that, the supporting component 2 includes with three sets of tool rest bodies 21 and arc frame 28, arc frame 28 is semicircular in shape, three sets of tool rest bodies 21 fixed connection are on arc frame 28 and when angular alignment, with the interior sliding connection of tool rest body 21 support pole 22 that goes up and down, the pole 22 that goes up and down has worn to have connect spring 25 towards the one end of work piece, spring 25 keeps away from with the one end fixedly connected with of tool rest body 21 to support head 23, spring 25 supports in supporting tool rest body 21 towards supporting head 23 one end, spring 25 can make to support head 23 to support in the special-shaped shaft class work piece all the time when processing the special-shaped shaft class work piece.

The implementation principle of the embodiment 2 is as follows: when a common workpiece is processed, a fixing rod 27 is simultaneously connected in a fixing hole 26 of a following tool rest body 21, a fixing hole 26 of a lifting abutting rod and a fixing hole 26 of an elastic rod 24 in a penetrating manner, the elastic rod 24 is fixed, two ends of the common workpiece are respectively fixed in four-jaw chucks 42 at two ends of a base plate 1, the fixing abutting rods 5 are respectively unscrewed, three groups of lifting abutting rods 22 are adjusted to abut against a head 23 on the surface of the common workpiece, then the fixing abutting rods 5 are screwed down, a tool rest screw 33 is unscrewed, the position of a polishing knife 31 is adjusted according to the required polishing degree, a tool rest screw 33 is screwed down, then the four-jaw chucks 42 and an electric slide rail 11 are started, the four-jaw chucks 42 rotate the common workpiece by taking a shaft thereof as a rotating shaft, and the electric slide rail 11 enables the following tool rest body 21 and the polishing knife 31 to move along the axial direction of the workpiece; when a special-shaped shaft workpiece is machined, the fixed rod 27 is pulled out, the special-shaped shaft workpiece is installed in a synchronous step, then the four-jaw chuck 42 and the electric slide rail 11 are started, the abutting head 23 can adapt to the special-shaped shaft workpiece by using the spring 25 during machining, the abutting head always abuts against the special-shaped shaft workpiece, when the temperature of the workpiece is too high, the cooling gun 6 is started to spray cooling liquid on the workpiece to cool the workpiece, after machining is completed, the fixed abutting rod 5 is unscrewed firstly, the lifting abutting rod 22 slides away from the surface of the workpiece, and then the four-jaw chuck 42 is loosened to take down the workpiece to complete machining.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an elasticity follow rest, includes base plate (1), is provided with supporting component (2) that are used for radial support work piece on base plate (1), is used for polishing subassembly (3) and the rotating assembly (4) that rotate the work piece of polishing the work piece, its characterized in that: support assembly (2) including following tool rest body (21), follow tool rest body (21) internal fixation and have lift to pole (22), it has elastic rod (24) to slide connection in pole (22) to go up and down, elastic rod (24) and lift are supported and are provided with spring (25) between pole (22), the both ends of spring (25) are fixed connection respectively in the lift and support the interior roof of pole (22) and the one end of keeping away from the work piece in elastic rod (24), and elastic rod (24) are towards the one end fixedly connected with of work piece and are supported head (23).

2. A resilient follower rest as claimed in claim 1, wherein: the lifting support rod (22) and the elastic rod (24) are both provided with fixing holes (26), the two fixing holes (26) are coaxial and are both arranged along the axial direction perpendicular to the lifting support rod (22), and fixing rods (27) penetrate through the two fixing holes.

3. A resilient follower rest as claimed in claim 1, wherein: the side wall of the following tool rest body (21) is in threaded connection with a fixed abutting rod (5), and the fixed abutting rod (5) extends into the following tool rest body (21) and tightly abuts against the lifting abutting rod (22).

4. A resilient follower rest as claimed in claim 3, wherein: the part of the lifting resisting rod (22) which is contacted with the fixed resisting rod (5) is a thread surface.

5. A resilient follower rest as claimed in claim 1, wherein: rotate on following tool rest body (21) and be connected with cooling rifle (6), the muzzle of cooling rifle (6) is towards between supporting component (2) and polishing subassembly (3).

6. A resilient follower rest as claimed in claim 1, wherein: the polishing assembly (3) comprises a polishing knife (31) and a knife rest (32), the polishing knife (31) is connected to the knife rest (32) in a sliding mode, the cutting edge faces towards a workpiece, the polishing knife (31) slides along the axial direction of the workpiece perpendicular to the axis, the knife rest (32) is in threaded connection with a knife rest screw rod (33), and the knife rest screw rod (33) tightly supports one side of the polishing knife (31).

7. A resilient follower rest as claimed in claim 1, wherein: the abutting head (23) is made of flexible materials.

8. A resilient follower rest as claimed in claim 1, wherein: a spring (25) is arranged between the abutting head (23) and the lifting abutting rod (22).