CN212042691U - Processing device - Google Patents

Abstract

The utility model discloses a processing device, which comprises a base, a mandrel sleeve, a liquid supply cylinder bracket and a workpiece clamp; the liquid inlet end of the liquid supply cylinder is rotatably arranged on the liquid supply cylinder bracket, and the liquid outlet end of the liquid supply cylinder is arranged in the mandrel sleeve and extends towards the workpiece clamp; and a sealing ring is arranged between the liquid supply cylinder and the mandrel sleeve. The utility model discloses a processingequipment arranges through the outside at a core axle sleeve and supplies a liquid section of thick bamboo support, installs the feed liquor end of a liquid supply section of thick bamboo on supplying a liquid section of thick bamboo support and can rotate, is provided with the sealing washer between a liquid supply section of thick bamboo and a core axle sleeve for sealed and transmission of power. When the external driving equipment drives the mandrel sleeve to rotate on the base, the torsion is transmitted to the liquid supply cylinder through the sealing ring, and the liquid supply cylinder can integrally rotate with the mandrel sleeve, so that the abrasion to the sealing ring can be effectively reduced, and the sealing performance is improved.

Description

Processing device

Technical Field

The utility model relates to a work piece processing technology field especially relates to a processingequipment.

Background

When a lathe is used to machine a workpiece, for example, to cut the workpiece, a set of machining devices is generally used to clamp the workpiece and a set of cutting devices is generally used to cut the workpiece. In the process of cutting a workpiece, the workpiece needs to be cooled, and a coolant needs to be supplied to the workpiece.

In the prior art, a liquid supply rod (a cooling liquid supply pipe) penetrates through a sleeve (a mandrel) in a processing device, and the liquid supply rod is kept still when the sleeve rotates, so that a sealing ring between the sleeve and the liquid supply rod is abraded greatly, and sealing failure is easily caused.

In view of the above, it is necessary to provide a processing apparatus in which a liquid supply cylinder and a core shaft sleeve can be integrally rotated.

SUMMERY OF THE UTILITY MODEL

The technical scheme of the utility model provides a processing device, which comprises a base, a mandrel sleeve rotatably arranged on the base, a liquid supply cylinder capable of rotating integrally with the mandrel sleeve, a liquid supply cylinder bracket for supporting the liquid supply cylinder and a workpiece clamp for clamping a workpiece;

the workpiece clamp is arranged at one end of the mandrel sleeve, and the liquid supply cylinder support is arranged at the other end of the mandrel sleeve;

the liquid inlet end of the liquid supply cylinder is rotatably arranged on the liquid supply cylinder bracket, and the liquid outlet end of the liquid supply cylinder is arranged in the mandrel sleeve and extends towards the workpiece clamp;

and a sealing ring is arranged between the liquid supply cylinder and the mandrel sleeve.

Further, the device also comprises a piston mechanism;

the piston mechanism comprises a cylinder barrel, a piston arranged in the cylinder barrel and a piston barrel connected with the piston;

the cylinder barrel is arranged at one end, far away from the workpiece clamp, of the mandrel sleeve;

the piston cylinder is inserted into the mandrel sleeve;

a clamping jaw capable of being matched with and separated from the workpiece clamp is arranged at the tail end of the piston cylinder;

the liquid supply cylinder is arranged in the piston cylinder, the sealing ring is arranged between the liquid supply cylinder and the piston cylinder, and the liquid supply cylinder and the piston cylinder can integrally rotate.

Further, the workpiece holder includes an annular cover fixedly mounted on the mandrel sleeve and a plurality of workpiece clamping plates mounted on the annular cover and extending toward the clamping jaws;

the workpiece chuck plate has a chuck plate inclined surface on one side facing the mandrel sleeve, and the chuck plate inclined surface extends obliquely towards the axis of the mandrel sleeve along the direction from the workpiece clamp to the clamping jaw;

and the clamping jaw is provided with a clamping jaw inclined plane which is matched with and separated from the clamping plate inclined plane.

Furthermore, a clamping plate protruding part used for clamping the workpiece is arranged on one side, facing the axis of the mandrel sleeve, of the workpiece clamping plate.

Further, the liquid supply cylinder bracket comprises a fixed bracket and a movable bracket;

a guide rod extending along the axis of the liquid supply cylinder is arranged on the fixed frame;

the movable frame is sleeved on the guide rod and can slide on the guide rod;

the liquid inlet end of the liquid supply cylinder is mounted on the movable frame through a first bearing;

and a driving mechanism for driving the movable frame to move is connected between the fixed frame and the movable frame.

Furthermore, a limiting element used for limiting the movable frame is arranged on the guide rod.

Further, an adapter is connected to the liquid inlet end of the liquid supply cylinder;

the adapter comprises a shell with a cavity, a liquid inlet head and a liquid outlet head;

the liquid inlet head is arranged on the shell and is communicated with the cavity;

the liquid outlet head extends along the axis of the liquid supply cylinder and is communicated with the liquid supply cylinder and the cavity;

the one end of play liquid head with liquid inlet end fixed connection, go out the liquid head the other end with install the second bearing between the casing.

Furthermore, a jacking block used for pressing the second bearing is arranged in the cavity;

and an elastic piece is arranged between the inner wall of the shell and the top block.

Furthermore, a limiting plate extending towards the liquid supply head is arranged on the liquid supply cylinder bracket, and a limiting groove is formed in the limiting plate;

the liquid inlet head is positioned in the limiting groove.

Further, a liquid supply spray head extending towards the workpiece fixture is arranged at the liquid outlet end of the liquid supply cylinder.

By adopting the technical scheme, the method has the following beneficial effects:

the utility model provides a processingequipment arranges through the outside at a core axle sleeve and supplies a liquid cylinder holder, installs the feed liquor end of a liquid supply section of thick bamboo on supplying liquid cylinder holder and can rotate, is provided with the sealing washer between a liquid supply section of thick bamboo and a core axle sleeve for sealed and transmission of power. When the external driving equipment drives the mandrel sleeve to rotate on the base, the torsion is transmitted to the liquid supply cylinder through the sealing ring, and the liquid supply cylinder can integrally rotate with the mandrel sleeve, so that the abrasion to the sealing ring can be effectively reduced, and the sealing performance is improved.

Drawings

Fig. 1 is a perspective view of a processing apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of the processing device shown in FIG. 1;

FIG. 3 is a cross-sectional view of the processing device of FIG. 2 along an axis;

FIG. 4 is an exploded view of the mandrel sleeve, piston cylinder, liquid supply spray head, clamping jaw, workpiece fixture and workpiece;

FIG. 5 is a cross-sectional view of a fluid supply cartridge;

FIG. 6 is a partial cross-sectional view of the liquid outlet end of the liquid supply barrel, the liquid supply spray head, the clamping jaw, the workpiece holder, and the workpiece;

FIG. 7 is a schematic view of a workpiece mounted in a workpiece fixture;

FIG. 8 is an exploded view of a workpiece and workpiece holder;

FIG. 9 is an assembled schematic view of the liquid feed end of the liquid feed cartridge, the liquid feed cartridge support, the adapter, and the drive mechanism;

figure 10 is a cross-sectional view of an adapter;

fig. 11 is a perspective view of the connection of the adapter and the movable frame.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-3, 5 and 9, an embodiment of the present invention provides a processing apparatus, which includes a base 1, a mandrel sleeve 2 rotatably mounted on the base 1, a liquid supply cylinder 3 capable of rotating integrally with the mandrel sleeve 2, a liquid supply cylinder support 4 for supporting the liquid supply cylinder 3 and a work fixture 5 for clamping a work piece 100.

The workpiece clamp 5 is arranged at one end of the mandrel sleeve 2, and the liquid supply cylinder support 4 is arranged at the other end of the mandrel sleeve 2.

The liquid inlet end 31 of the liquid supply cylinder 3 is rotatably mounted on the liquid supply cylinder support 4, and the liquid outlet end 32 of the liquid supply cylinder 3 is disposed in the core sleeve 2 and extends toward the work holder 5.

A sealing ring 6 is arranged between the liquid supply cylinder 3 and the core shaft sleeve 2.

The utility model provides a processingequipment is used for driving work piece 5 and rotates to provide the coolant liquid to work piece 5.

The machining device comprises a base 1, a core shaft sleeve 2, a liquid supply cylinder 3, a liquid supply cylinder support 4, a workpiece clamp 5 and a sealing ring 6.

The base 1 is used for being mounted on a machine tool, and the base 1 also provides support for the core shaft sleeve 2. The mandrel sleeve 2 is mounted on a mounting frame 11 of the base 1, and a rolling bearing 12 is mounted between the mandrel sleeve 2 and the mounting frame 11, so that the mandrel sleeve 2 can rotate on the mounting frame 1.

The middle part of the mandrel sleeve 2 is provided with a through hole or a cavity, one end of the mandrel sleeve 2 is provided with a driving part 21, and the driving part 21 is used for being connected with a motor through a belt or a chain to drive the mandrel sleeve 2 to rotate.

The liquid supply cylinder 3 is used to supply a coolant to the workpiece 100 to cool the workpiece 100 being processed. The inlet end 31 of the liquid supply cylinder 3 is used for connecting with a pipe of a cooling liquid supply device, and the cooling liquid is supplied to the liquid supply cylinder 3 through the cooling liquid supply device. The cartridge 3 has a central passage 30 therein which communicates between an inlet end 31 and an outlet end 32.

The liquid supply cylinder support 4 is used for supporting a liquid inlet end 31 of the liquid supply cylinder 3, and the liquid inlet end 31 is connected with the liquid supply cylinder support 4 through a bearing, so that the liquid supply cylinder 3 can rotate relative to the liquid supply cylinder support 4.

The liquid supply cylinder bracket 4 can be arranged on the base 1, and can also be arranged at a designated position.

The work holder 5 is mounted on the end of the mandrel sleeve 2 by means of screws 53, the work holder 5 and the liquid supply cylinder holder 4 being arranged on opposite sides of the mandrel sleeve 2. The work holder 5 is used to hold the work 100 such that a part thereof is located in the through hole of the spindle sleeve 2 and another part thereof protrudes outside the spindle sleeve 2, so that the protruding part of the work 100 is machined by the cutting tool.

When the liquid supply device is installed, the liquid inlet end 31 of the liquid supply cylinder 3 is rotatably installed on the liquid supply cylinder support 4, the main body part of the liquid supply cylinder 3 is positioned in the mandrel sleeve 2, and the liquid outlet end 32 of the liquid supply cylinder faces the workpiece clamp 5. At least one sealing ring 6 is arranged between the inner surface of the core shaft sleeve 2 and the outer surface of the liquid supply cylinder 3. The sealing ring 6 plays a role in sealing on one hand, and can realize the transmission of torque on the other hand, so that the mandrel sleeve 2 can drive the liquid supply cylinder 3 to integrally rotate.

When the workpiece 100 is machined, the core sleeve 2 is driven to rotate, and the workpiece clamp 5 drives the workpiece 100 to rotate so as to be ground or cut by other machining equipment. When the mandrel sleeve 2 rotates, a part of torsion is transmitted to the liquid supply cylinder 3 through the sealing ring 6, the outside of the liquid supply cylinder 3 is supported by the liquid supply cylinder support 4 to rotate, and the liquid supply cylinder 3 can rotate integrally with the mandrel sleeve 2. The cooling fluid in the cooling fluid supply apparatus may be sprayed toward the workpiece 100 through the fluid inlet 31, the central passage 30 and the fluid outlet 32 to cool the workpiece 100 under processing.

Therefore, the utility model provides a processingequipment arranges through the outside at core axle sleeve 2 and supplies liquid cylinder support 4, installs the feed liquor end 31 that supplies liquid cylinder 3 on supplying liquid cylinder support 4 and can rotate, is provided with sealing washer 6 between supplying liquid cylinder 3 and core axle sleeve 2 for sealed and power transmission. When the external driving equipment drives the mandrel sleeve 2 to rotate on the base 1, the torsion is transmitted to the liquid supply cylinder 3 through the sealing ring 6, and the liquid supply cylinder 3 can rotate integrally with the mandrel sleeve 2.

Rotate and supply the not pivoted scheme of a liquid section of thick bamboo 3 to compare with a core axle sleeve 2, the utility model provides a supply liquid section of thick bamboo 3 and a core axle sleeve 2 integrative pivoted scheme can effectively reduce the wearing and tearing to sealing washer 6, has promoted sealing performance, avoids the coolant liquid to follow the 6 back flows of sealing washer.

In one embodiment, as shown in fig. 1-4, the processing device further comprises a piston mechanism 7.

The piston mechanism 7 includes a cylinder 71, a piston 72 disposed in the cylinder 71, and a piston cylinder 73 connected to the piston 72.

The cylinder 71 is mounted at the end of the mandrel sleeve 2 remote from the workpiece holder 5. The piston cylinder 73 is inserted into the cartridge sleeve 2.

At the end of the piston cylinder 73, a holding jaw 74 capable of engaging and disengaging with the work holder 5 is provided.

The liquid supply cylinder 3 is disposed in the piston cylinder 73, the packing 6 is attached between the liquid supply cylinder 3 and the piston cylinder 73, and the liquid supply cylinder 3 is rotatable integrally with the piston cylinder 73.

In this embodiment, a piston mechanism 7 is added. The piston mechanism 7 is composed of a cylinder 71, a piston 72, and a piston cylinder 73.

The cylinder 71 is fixedly mounted on the end of the mandrel sleeve 2, and the two ends of the mandrel sleeve 2 are arranged opposite to the workpiece holder 5, and the cylinder 71 can be driven by the mandrel sleeve 2 to integrally rotate. The liquid supply cylinder support 4 and the piston mechanism 7 are arranged at intervals, and the cylinder 71 is positioned between the mandrel sleeve 2 and the liquid supply cylinder support 4.

The piston 72 is mounted in the cylinder 71. The piston cylinder 71 is a piston rod having a through hole at the center thereof, and one end of the piston cylinder 71 is connected to the piston 72 and the other end thereof is connected to the gripper 74.

The piston means 7 may be a drive cylinder or a drive cylinder. When the piston mechanism 7 is actuated, the piston 72 can move left and right in the cylinder 71. When piston 72 moves toward work holder 5, piston cylinder 73 moves clamping jaw 74 toward work holder 5, and clamping jaw 74 can be brought into contact with work holder 5 to clamp work piece 100. When the piston 72 moves toward the fluid supply cylinder holder 4, the piston cylinder 73 moves the holding claw 74 toward the cylinder 71, and the holding claw 74 is separated from the work holder 5, so that the work 100 can be removed from the work holder 5.

The piston cylinder 73 is also used for arranging the liquid supply cylinder 3, and the main body part of the liquid supply cylinder 3 is positioned in the piston cylinder 73, and the liquid outlet end 32 of the piston cylinder is also towards the workpiece fixture 5. At least one sealing ring 6 is mounted between the inner surface of the piston cylinder 73 and the outer surface of the liquid supply cylinder 3. The sealing ring 6 has a sealing function on one hand, and can realize the transmission of torque on the other hand, so that the mandrel sleeve 2 can drive the piston cylinder 73 to integrally rotate.

In use, the workpiece 100 is first mounted in the workpiece holder 5. Then, the piston mechanism 7 is actuated, the piston 72 moves toward the work holder 5 side, the piston cylinder 73 moves the holding jaw 74 toward the work holder 5, and the holding jaw 74 is in contact engagement with the work holder 5 to hold the workpiece 100. The motor is started, the mandrel sleeve 2 is driven to rotate, and the workpiece clamp 5 drives the workpiece 100 to rotate so as to be ground or cut by other processing equipment. The cylinder 71, the piston 72, the piston cylinder 73, and the gripper 74 all rotate integrally with the mandrel sleeve 2 while the mandrel sleeve 2 rotates. A part of torsion on the piston cylinder 73 is transmitted to the liquid supply cylinder 3 through the sealing ring 6, the outside of the liquid supply cylinder 3 is supported by the liquid supply cylinder bracket 4 to rotate, and the liquid supply cylinder 3 can rotate integrally with the piston cylinder 73. The cooling fluid in the cooling fluid supply apparatus may be sprayed toward the workpiece 100 through the fluid inlet 31, the central passage 30 and the fluid outlet 32 to cool the workpiece 100 under processing.

The scheme that the core shaft sleeve 2, the piston cylinder 73 and the liquid supply cylinder 3 integrally rotate provided by the embodiment can effectively reduce the abrasion to the sealing ring 6, improves the sealing performance, and avoids the backflow of the cooling liquid from the sealing ring 6.

In one embodiment, as shown in figures 3-8, the workpiece holder 5 comprises an annular cover 51 fixedly mounted on the mandrel sleeve 2 and a plurality of workpiece catch plates 52 mounted on the annular cover 51 and extending towards the clamping jaws 74.

The side of the workpiece catch plate 52 facing the spindle sleeve 2 has a catch plate ramp 521, the catch plate ramp 521 extending obliquely towards the axis of the spindle sleeve 2 in the direction from the workpiece holder 5 to the clamping jaw 74. A jaw inclined surface 741 for engaging and disengaging with and from the card plate inclined surface 521 is provided on the jaw 74.

The workpiece holder 5 is mainly composed of an annular cover 51 and a plurality of workpiece chucking plates 52. An annular cap 51 is mounted on the end of the mandrel sleeve 2 by means of screws 53. A plurality of workpiece chucking plates 52 are mounted on the annular cover 51 uniformly in the circumferential direction, the workpiece chucking plates 52 extending toward the holding jaws 4. The center positions of the plurality of workpiece chucking plates 52 form chucking positions for chucking the workpiece 100.

The workpiece chuck plate 52 has a chuck plate slope 521 on the outer surface thereof, which gradually decreases in distance from the center axis of the core barrel 2 in the direction from the workpiece holder 5 to the holding jaw 74.

The clamping jaw 74 is provided with a clamping jaw inclined plane 741, and the distance between the clamping jaw inclined plane and the central axis of the core shaft sleeve 2 gradually increases in the direction from the workpiece clamp 5 to the clamping jaw 74.

When the clamping jaws 74 are moved toward the workpiece holder 5, the clamping jaw inclined planes 741 come into contact with the clamping plate inclined planes 521 and apply a force to the clamping plate inclined planes 521 toward the central axis of the mandrel sleeve 2, so that the workpiece clamping plates 52 are deformed toward the central axis of the mandrel sleeve 2 to clamp the workpiece 100 between the workpiece clamping plates 52.

The jaws 74 may be of a sleeve construction which enables all of the workpiece cards 52 to be clamped simultaneously.

The clamping jaws 74 may also be separate plate-like or sheet-like structures, and the number and the positions thereof correspond to those of the workpiece clamping plates 52 one by one, so that all the workpiece clamping plates 52 can be clamped synchronously.

In one embodiment, as shown in fig. 8, a clamp projection 522 for clamping the workpiece 100 is provided on a side of the workpiece clamp 52 facing the axis of the mandrel sleeve 2. A groove is provided on the circumferential surface of the workpiece 100. During installation, the card protrusions 522 are inserted into the grooves on the workpiece 100 to axially position the workpiece 100. When the workpiece chuck plate 52 is driven to chuck by the jaws 74, the workpiece 100 may be simultaneously chucked by the inner surface of the workpiece chuck plate 52 and the chuck plate projections 522.

In one embodiment, as shown in FIGS. 2-3 and 9, the cartridge holder 4 includes a stationary frame 41 and a movable frame 42.

The holder 41 is provided with a guide rod 411 extending along the axis of the liquid supply cylinder 3. The movable frame 42 is fitted over the guide bar 411 and can slide on the guide bar 411.

The inlet end 31 of the liquid supply cylinder 3 is mounted on the movable frame 42 via a first bearing 421. A driving mechanism 9 for driving the movable frame 42 to move is connected between the fixed frame 41 and the movable frame 42.

The liquid supply cylinder bracket 4 is composed of a fixed bracket 41 and a movable bracket 42.

The holder 41 may be mounted on the base 1 to remain stationary. The fixing frame 41 can also be mounted on the cylinder 71, specifically: the cylinder 71 has a connecting cylinder 711 at an end facing the fixed frame 41, the connecting cylinder 711 is sleeved with the fixed cylinder 75, and a bearing 76 is disposed between the fixed cylinder 75 and the connecting cylinder 711 so that the fixed cylinder 75 can be held against rotation and the connecting cylinder 711 can rotate with the cylinder 71. The fixing frame 41 is mounted on the fixing cylinder 75 by screws 413, and the liquid supply cylinder 3 passes through the fixing frame 41. Thus, the fixing frame 41 can be fixedly mounted on the fixing cylinder 75 and held against rotation. One end of the piston cylinder 73 facing the fixed frame 41 extends out of the connecting cylinder 711, and the piston cylinder 73 and the fixed frame 41 adopt mechanical sealing, so that the whole piston cylinder 73 can move left and right relative to the fixed frame 41.

The fixed frame 41 is provided with a guide rod 411 which extends along the axial direction of the liquid supply cylinder 3, and the movable frame 42 is sleeved on the guide rod 411 and is in clearance fit with the guide rod 411, so that the movable frame 42 is supported through the guide rod 411, and the movable frame 42 can slide left and right on the guide rod 411.

The inlet end 31 is mounted on the movable frame 42 with the first bearing 421 therebetween so that the liquid supply cylinder 3 can rotate. When the movable frame 42 moves left and right, it will drive the liquid supply cylinder 3 to move left and right to adjust the distance between the liquid outlet end 32 and the workpiece holder 5, so as to better spray liquid to cool the workpiece 100.

The driving mechanism 9 is connected between the fixed frame 41 and the movable frame 42, and is used for driving the movable frame 42 to move on the guide rod 411.

The driving mechanism 9 can be an oil cylinder or an air cylinder, the cylinder is fixedly mounted on the fixed frame 41, the piston rod 91 of the cylinder is connected with the movable frame 42, the movable frame 42 is driven to move on the guide rod 411 by the extension and contraction of the piston rod 91, and then the distance between the liquid outlet end 32 and the workpiece fixture 5 is adjusted.

As long as the force provided by the drive mechanism 9 is greater than the friction force of the sealing ring 6, the fluid supply cartridge 3 can be moved axially in the cartridge sleeve 2 or the piston cylinder 73.

In one embodiment, as shown in fig. 9 and 11, a limiting element 412 for limiting the position of the movable frame 42 is provided on the guide bar 411.

After the position of the movable frame 42 is adjusted in place, the movable frame 42 is limited by the limiting element 412, so that the movable frame 42 is fixed at a designated position.

The guide rod 411 may be a threaded rod, and the aperture of the movable frame 42 is larger than the diameter of the threaded rod. The movable frame 42 is clearance fitted with the threaded rod 42. The stop element 412 is a nut. After the movable frame 42 is adjusted in place on the threaded rod, the nut is tightened to limit the movable frame 42, so that the movable frame 42 is fixed at a designated position. The nut is disposed outside the movable frame 42.

In one embodiment, as shown in FIGS. 1-3 and 9-11, an adapter 8 is attached to the inlet end 31 of the feed cylinder 3.

The adapter 8 comprises a housing 81 with a cavity 80, a liquid inlet 82 and a liquid outlet 83.

A liquid inlet head 82 is mounted on the housing 81 and communicates with the chamber 80.

The liquid outlet 83 extends along the axis of the liquid supply cylinder 3, and the liquid outlet 83 communicates the liquid supply cylinder 3 and the cavity 80.

One end of the liquid outlet head 83 is fixedly connected with the liquid inlet end 31, and a second bearing 84 is arranged between the other end of the liquid outlet head 83 and the shell 81.

The adapter 8 is used for connecting the liquid supply cylinder 3 with a pipeline of cooling liquid supply equipment.

The adapter 8 mainly comprises a housing 81, a liquid inlet head 82 and a liquid outlet head 83.

A liquid inlet head 82 is mounted on the housing 81 and communicates with the chamber 80. The liquid inlet head 82 is used for connecting with a pipe of a cooling liquid supply apparatus.

The liquid outlet head 83 extends along the axial direction of the liquid supply cylinder 3 and is coaxially arranged with the liquid supply cylinder 3, so that the liquid outlet head 83 is conveniently connected with the liquid inlet end 31.

The liquid outlet 81 is connected to the cavity 80 and the central channel 30 of the liquid supply cylinder 3 for supplying the cooling liquid to the central channel 30.

During assembly, one end of the liquid outlet head 81 is hermetically connected with the liquid inlet end 31, the other end of the liquid outlet head is inserted into the housing 81, and a second bearing 84 is installed between the liquid outlet head and the housing 81.

The arrangement is such that when the liquid supply cylinder 3 rotates, the liquid outlet 81 rotates along with the liquid supply cylinder, and the shell 81 and the liquid inlet 82 are kept not to rotate, thereby facilitating installation and pipeline connection.

In one embodiment, as shown in fig. 9-10, a top block 85 is also disposed within cavity 80 for compressing second bearing 84. An elastic member 86 is installed between the inner wall of the housing 81 and the top block 85.

One end of the second bearing 84 is in contact with the cavity wall or in contact with a positioning plate 87 on the cavity wall for positioning, and the other end is tightly pressed and positioned by a top block 85.

The elastic member 86 is an expanded spring or elastic sheet for urging the top block 85 to move toward the second bearing 84 side, so that the top block 85 abuts against the second bearing 84 to firmly mount the second bearing 84 in the cavity 80.

In one embodiment, as shown in fig. 9 and 11, the liquid supply cylinder support 4 is provided with a limiting plate 422 extending towards the liquid supply head 82, a limiting groove 423 is provided on the limiting plate 422, and the liquid supply head 82 is located in the limiting groove 423. The liquid inlet 82 is limited by the limiting groove 423, so that the shell 81 and the liquid inlet 82 can rotate along with the liquid outlet 83. Due to inertia or friction, when the liquid outlet head 83 rotates, the housing 81 may slightly rotate, and the liquid inlet head 81 is assembled in the limiting groove 423 to prevent the liquid inlet head 82 from rotating, so that the housing 81 is also kept not to rotate.

The limiting plate 422 may be mounted on the movable frame 42, which is located above the housing 81.

In one embodiment, as shown in FIGS. 3-6, a liquid supply nozzle 33 is provided on the liquid outlet end 32 of the liquid supply cylinder 3 to extend toward the work holder 5.

The liquid supply nozzle 33 has a smaller aperture than the central passage 30, thereby increasing the pressure and improving the liquid cooling effect on the workpiece 100.

According to the requirement, a backflow hole can be arranged on the liquid supply nozzle 33 and is communicated with the central hole of the mandrel sleeve 2, when cooling liquid overflows, the cooling liquid can enter the mandrel sleeve 2 through the backflow hole and cannot flow back to the piston mechanism 7.

When the liquid supply cylinder 3 is disposed in the core cylinder 2, the liquid supply head 33 is also disposed in the core cylinder 2. When the liquid supply cylinder 3 is disposed in the piston cylinder 73, the liquid supply nozzle 33 is also disposed in the piston cylinder 73. If necessary, a seal ring 6 may be provided between the liquid supply nozzle 33 and the core sleeve 2 or the piston cylinder 73.

The liquid supply cylinder 3 in the utility model can also be called as a material pushing cylinder or a material pushing rod with a liquid supply channel, and the liquid supply nozzle 33 can also be called as a material pushing head.

To sum up, the utility model provides a processingequipment, it supplies a liquid section of thick bamboo can rotate with mandrel sleeve or a piston cylinder is integrative to can effectively reduce the wearing and tearing to the sealing washer, promote sealing performance.

According to the needs, the above technical schemes can be combined to achieve the best technical effect.

What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.

Claims (10)

1. A processing device is characterized by comprising a base, a mandrel sleeve rotatably arranged on the base, a liquid supply cylinder capable of rotating integrally with the mandrel sleeve, a liquid supply cylinder support used for supporting the liquid supply cylinder to rotate and a workpiece clamp used for clamping a workpiece, wherein the mandrel sleeve is rotatably arranged on the base;

the workpiece clamp is arranged at one end of the mandrel sleeve, and the liquid supply cylinder support is arranged at the other end of the mandrel sleeve;

the liquid inlet end of the liquid supply cylinder is rotatably arranged on the liquid supply cylinder bracket, and the liquid outlet end of the liquid supply cylinder is arranged in the mandrel sleeve and extends towards the workpiece clamp;

and a sealing ring is arranged between the liquid supply cylinder and the mandrel sleeve.

2. The processing apparatus as set forth in claim 1, further comprising a piston mechanism;

the piston mechanism comprises a cylinder barrel, a piston arranged in the cylinder barrel and a piston barrel connected with the piston;

the cylinder barrel is arranged at one end, far away from the workpiece clamp, of the mandrel sleeve;

the piston cylinder is inserted into the mandrel sleeve;

a clamping jaw capable of being matched with and separated from the workpiece clamp is arranged at the tail end of the piston cylinder;

the liquid supply cylinder is arranged in the piston cylinder, the sealing ring is arranged between the liquid supply cylinder and the piston cylinder, and the liquid supply cylinder and the piston cylinder can integrally rotate.

3. A tooling apparatus according to claim 2 wherein the workpiece holder comprises an annular cover fixedly mounted on the mandrel sleeve and a plurality of workpiece cards mounted on the annular cover and extending towards the jaws;

the workpiece chuck plate has a chuck plate inclined surface on one side facing the mandrel sleeve, and the chuck plate inclined surface extends obliquely towards the axis of the mandrel sleeve along the direction from the workpiece clamp to the clamping jaw;

and the clamping jaw is provided with a clamping jaw inclined plane which is matched with and separated from the clamping plate inclined plane.

4. A machining apparatus according to claim 3, wherein a clamp projection for clamping a workpiece is provided on a side of the workpiece clamp facing the axis of the mandrel sleeve.

5. The processing apparatus as claimed in any one of claims 1 to 4, wherein the liquid supply cartridge holder comprises a fixed holder and a movable holder;

a guide rod extending along the axis of the liquid supply cylinder is arranged on the fixed frame;

the movable frame is sleeved on the guide rod and can slide on the guide rod;

the liquid inlet end of the liquid supply cylinder is mounted on the movable frame through a first bearing;

and a driving mechanism for driving the movable frame to move is connected between the fixed frame and the movable frame.

6. A processing device according to claim 5, characterized in that a limiting element for limiting the movable frame is provided on the guide bar.

7. The processing device as claimed in any one of claims 1 to 4, wherein an adapter is connected to the liquid inlet end of the liquid supply cylinder;

the adapter comprises a shell with a cavity, a liquid inlet head and a liquid outlet head;

the liquid inlet head is arranged on the shell and is communicated with the cavity;

the liquid outlet head extends along the axis of the liquid supply cylinder and is communicated with the liquid supply cylinder and the cavity;

the one end of play liquid head with liquid inlet end fixed connection, go out the liquid head the other end with install the second bearing between the casing.

8. The machining device as claimed in claim 7, wherein a top block for pressing the second bearing is further provided in the cavity;

and an elastic piece is arranged between the inner wall of the shell and the top block.

9. The processing device according to claim 7, wherein a limiting plate extending towards the liquid supply head is arranged on the liquid supply cylinder bracket, and a limiting groove is arranged on the limiting plate;

the liquid inlet head is positioned in the limiting groove.

10. The processing apparatus according to any one of claims 1 to 4, wherein a liquid supply nozzle extending toward the work holder is provided on the liquid outlet end of the liquid supply cylinder.

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