CN214557711U

CN214557711U - Multi-surface milling floating pressing head

Info

Publication number: CN214557711U
Application number: CN202120540802.7U
Authority: CN
Inventors: 谭印书; 谢谋益; 张红亮
Original assignee: Nanjing Suifeng Cnc Technology Co ltd
Current assignee: Nanjing Suifeng Cnc Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-02
Anticipated expiration: 2031-03-16

Abstract

The utility model relates to a multiaspect mills part technical field, especially relates to a multiaspect mills unsteady hold-down head, has solved among the prior art multiaspect and has milled unsteady hold-down head operating procedure numerous and diverse in multiaspect course of working, influences machining efficiency's problem. The utility model provides a multiaspect mills unsteady hold-down head, includes the organism, one side fixedly connected with clamp plate of organism, and the inside of clamp plate is provided with four set screws, and the inside of organism is provided with the slider, and the guide rail with slider matched with is seted up to the inside of organism, and the guide rail runs through the organism, and the top fixedly connected with hydro-cylinder of organism, the fluting has been seted up at the top of slider, and supreme first spherical packing ring and the second spherical packing ring of having set gradually are followed to the inside of fluting, and the top of second spherical packing ring is provided with the connecting rod. The utility model discloses a cooperation of pressure head and spherical bearing has improved the flexibility ratio of pressure head to improve the machining precision in the multiaspect course of working and be favorable to improving machining efficiency.

Description

Multi-surface milling floating pressing head

Technical Field

The utility model relates to a multiaspect mills part technical field, especially relates to a multiaspect mills unsteady hold-down head.

Background

Present multiaspect milling machine work piece compresses tightly, adopts the hydro-cylinder directly to compress tightly the work piece on swivel work head mostly, and a side is accomplished in processing, and the hydro-cylinder loosens swivel work head and drives the work piece rotatory, and rotatory arrival position, the hydro-cylinder compresses tightly, continues processing, consequently has following problem in the course of working: firstly, when the device is used, an oil cylinder directly compresses a workpiece, the surface of the workpiece is uneven, or the oil cylinder and a rotary worktable are not perpendicular to the piston rod of the oil cylinder and are bent back, or a sealing ring is easily damaged; second, in the workstation rotation process, the hydro-cylinder lifts up and leaves the work piece, the work piece is difficult to guarantee by the mutual frictional force that dead weight produced that the work piece removes, influence machining precision or cause the waste product, rotation rate is low, consequently, for guaranteeing rotational positioning precision, four sides are processed man-hour, need increase a positioner and action, both rotatory the completion back, release the locating piece with one side pneumatic cylinder, the opposite side hydro-cylinder promotes the work piece and leans on tight locating piece, accomplish the location back, the hydro-cylinder returns, can just process, it is long to lead to the location time, influence machining efficiency, and can't realize the accurate positioning of multiaspect processing, to above problem, can propose a novel multiaspect mills unsteady hold-down head, the flexibility of hold-down head is improved, simplify the operating procedure in the multiaspect course, and the machining efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multiaspect mills unsteady hold-down head has solved among the prior art multiaspect and has milled unsteady hold-down head operating procedure numerous and diverse in multiaspect course of working, influences machining efficiency's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-face milling floating pressing head comprises an adjusting screw, an adjusting pad, a spherical bearing, screws, a machine body, a first spherical washer, a second spherical washer, a set screw, a cylinder piston, a set screw and a cylinder, wherein a pressing plate is fixedly connected to one side of the machine body, four set screws are arranged inside the pressing plate, a sliding block is arranged inside the machine body, a guide rail matched with the sliding block is arranged inside the machine body and penetrates through the machine body, the top of the machine body is fixedly connected with the cylinder, the top of the sliding block is provided with a groove, the inside of the groove is sequentially provided with the first spherical washer and the second spherical washer from bottom to top, the top of the second spherical washer is provided with a connecting rod, the cylinder piston of the cylinder is positioned right above the connecting rod, the cylinder piston and the connecting rod are matched with each other, the connecting rod and the second spherical washer as well as the first spherical washer and the second spherical washer, and the bottom of the machine body is provided with a connecting block, the connecting block is fixedly connected with the sliding block, the bottom of the connecting block is rotatably connected with a pressure head, and the spherical bearing is sleeved on the outer wall of the connecting block.

Preferably, the sliding block and the connecting rod are fixedly connected through a set screw, threaded holes matched with the set screw are formed in the sliding blocks and the connecting rod, and the set screw is located in the sliding blocks and the connecting rod.

Preferably, the connecting block and the pressure head are rotatably connected through a spherical bearing.

Preferably, the connecting block and the sliding block are fixedly connected through screws, threaded holes matched with the screws are formed in the connecting block and the sliding block, and the screws are located in the connecting block and the sliding block.

Preferably, the pressure head and the connecting block are connected through an adjusting screw, the pressure head is internally provided with a mounting groove matched with the adjusting screw, the pressure head is in clearance fit with the adjusting screw, the connecting block is internally provided with a threaded hole matched with the adjusting screw, and the outer wall of the adjusting screw is sleeved with an adjusting pad.

Preferably, the inside of the oil cylinder piston is provided with a clamping groove matched with the connecting rod, and the connecting rod is clamped with the oil cylinder piston and the first spherical gasket.

The utility model discloses possess following beneficial effect at least:

1. because the oil cylinder of the floating pressing head is fixed on the machine body, the workpiece is pressed through the matching of the sliding block, the connecting block, the spherical bearing and the pressing head, and the sliding block can slide up and down along the guide rail of the machine body in the use process, the external force borne by the oil cylinder is reduced, and the service life of the oil cylinder is effectively prolonged.

2. Because the inside guide rail that matches with the slider of organism is perpendicular with table surface, and the pressure head passes through spherical bearing and is connected with the connecting block, even consequently when compressing tightly the work piece unevenness, also can guarantee that the work piece atress is even through the cooperation of pressure head, spherical bearing and connecting block, steadily compresses tightly the work piece, ensures the machining precision.

3. Through the cooperation of pressure head, spherical bearing and connecting block for the pressure head can rotate with the work piece together, consequently only need rotate table surface behind the disconnection oil circuit in multiaspect course of working can adjust the work piece position, and the hydro-cylinder does not lift up in the adjustment process, and the pressure head does not leave the work piece, has effectively simplified the adjustment step, has improved machining efficiency, and work piece rotation in-process stillness has ensured the accuracy of rotational positioning.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a side view of the utility model.

In the figure: 1. adjusting the screw; 2. an adjustment pad; 3. a pressure head; 4. a spherical bearing; 5. connecting blocks; 6. a screw; 7. a slider; 8. a body; 9. a first spherical washer; 10. a second spherical washer; 11. a connecting rod; 12. tightening the screw; 13. a cylinder piston; 14. a set screw; 15. pressing a plate; 16. an oil cylinder; 17. grooving; 18. a guide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, a multi-face milling floating pressing head comprises an adjusting screw 1, an adjusting pad 2, a spherical bearing 4, a screw 6, a machine body 8, a first spherical washer 9, a second spherical washer 10, a set screw 12, a cylinder piston 13, a set screw 14 and a cylinder 16, wherein a pressing plate 15 is fixedly connected to one side of the machine body 8, four set screws 14 are arranged inside the pressing plate 15, a sliding block 7 is arranged inside the machine body 8, a guide rail 18 matched with the sliding block 7 is arranged inside the machine body 8, the guide rail 18 penetrates through the machine body 8, the cylinder 16 is fixedly connected to the top of the machine body 8, a slot 17 is arranged at the top of the sliding block 7, the first spherical washer 9 and the second spherical washer 10 are sequentially arranged inside the slot 17 from bottom to top, a connecting rod 11 is arranged at the top of the second spherical washer 10, and the cylinder piston 13 of the cylinder 16 is positioned right above the connecting rod 11, the oil cylinder piston 13 is matched with the connecting rod 11, the connecting rod 11 is matched with the second spherical gasket 10, the first spherical gasket 9 is matched with the second spherical gasket 10, the connecting block 5 is arranged at the bottom of the machine body 8, the connecting block 5 is fixedly connected with the sliding block 7, the bottom of the connecting block 5 is rotatably connected with the pressure head 3, and the spherical bearing 4 is sleeved on the outer wall of the connecting block 5.

The scheme has the following working processes:

when the multi-face milling floating pressing head is used, an oil cylinder piston 13 moves downwards after an oil cylinder 16 is started, a connecting rod 11 is pushed to move downwards, a sliding block 7 is pushed to move downwards through cooperation with a first spherical gasket 9 and a second spherical gasket 10, so that a connecting block 5 and a pressing head 3 are driven to gradually descend to tightly press a workpiece, the oil cylinder piston 13 presses the workpiece all the time in the processing process of the workpiece, after single-face processing is completed, when the workpiece needs to rotate, an oil path of the oil cylinder 16 is cut off at the moment to complete pressure relief, the workpiece and the pressing head 3 can rotate together through rotating a working table, the oil path of the oil cylinder 16 is switched on again after the workpiece rotates to a processing position, processing of the next surface to be processed is started, the operations are repeated until the oil path is switched on reversely after the processing is completed, and the oil cylinder piston 13 can return upwards to drive the pressing head 3 to move upwards and return.

According to the working process, the following steps are known:

the floating pressing head can be always attached to a workpiece in the multi-surface machining and workpiece adjusting and positioning processes, and the machining and adjusting and positioning modes can be switched by connecting and disconnecting the oil way of the oil cylinder 16, so that the operation of reciprocating vertical motion of the pressing head is avoided, the operation steps of machining and adjusting and positioning are simplified, and the machining efficiency is improved while the machining precision is improved.

Further, the sliding block 7 and the connecting rod 11 are fixedly connected through a set screw 12, threaded holes matched with the set screw 12 are formed in the sliding blocks 7 and the connecting rod 11, and the set screw 12 is located in the sliding blocks 7 and the connecting rod 11.

Furthermore, connecting block 5 and pressure head 3 rotate through spherical bearing 4 and are connected, then pressure head 3 not only can rotate simultaneously still can adapt to the workpiece surface of unevenness with the work piece together, play the effect that steadily compresses tightly the work piece.

Further, connecting block 5 and slider 7 pass through 6 fixed connection of screw, and connecting block 5 and slider 7's inside all is seted up with 6 matched with screw holes of screw, and screw 6 is located connecting block 5 and slider 7's inside.

Further, pressure head 3 and connecting block 5 are connected through adjusting screw 1, the inside of pressure head 3 is seted up with adjusting screw 1 matched with mounting groove and pressure head 3 and adjusting screw 1 between be clearance fit, the inside of connecting block 5 is seted up with adjusting screw 1 matched with screw hole, the cover is equipped with adjustment pad 2 on adjusting screw 1's the outer wall, then can ensure through adjusting screw 1 that to keep certain clearance all the time between connecting block 5 and the pressure head 3, thereby ensure that pressure head 3 can all be in the same direction as smooth rotation in the long-term use.

Further, the inside of hydro-cylinder piston 13 has been seted up with connecting rod 11 matched with draw-in groove, connecting rod 11 and hydro-cylinder piston 13 and the equal block of first spherical surface packing ring 9 can avoid hydro-cylinder piston 13, connecting rod 11 and first spherical surface packing ring 9 to take place the skew in operation process relative position.

In conclusion, the machining accuracy and the stability of the floating pressing head are further improved by improving the matching degree among the parts and the adaptability of the pressing head 3 to different workpieces.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multiaspect mills unsteady hold-down head, includes adjusting screw (1), adjusting pad (2), spherical bearing (4), screw (6), organism (8), first spherical surface packing ring (9), second spherical surface packing ring (10), holding screw (12), hydro-cylinder piston (13), set screw (14) and hydro-cylinder (16), its characterized in that: one side fixedly connected with clamp plate (15) of organism (8), the inside of clamp plate (15) is provided with four set screw (14), the inside of organism (8) is provided with slider (7), guide rail (18) with slider (7) matched with have been seted up to the inside of organism (8), organism (8) are run through in guide rail (18), top fixedly connected with hydro-cylinder (16) of organism (8), fluting (17) have been seted up at the top of slider (7), supreme first spherical packing ring (9) and second spherical packing ring (10) have been set gradually down to the inside of fluting (17), the top of second spherical packing ring (10) is provided with connecting rod (11), hydro-cylinder piston (13) of hydro-cylinder (16) is located connecting rod (11) directly over, hydro-cylinder piston (13) and connecting rod (11), connecting rod (11) and second spherical packing ring (10) and first spherical packing ring (9) and second spherical packing ring (11), and second spherical packing ring (10), and second spherical packing ring (11) are provided with connecting rod (11) in proper order (10) All match each other, the bottom of organism (8) is provided with connecting block (5), connecting block (5) and slider (7) fixed connection, the bottom of connecting block (5) is rotated and is connected with pressure head (3), spherical bearing (4) cover is established on the outer wall of connecting block (5).

2. The multi-face milling floating compaction head of claim 1, wherein: slider (7) and connecting rod (11) are through holding screw (12) fixed connection, and the screw hole with holding screw (12) matched with is all seted up in the inside of most slider (7) and connecting rod (11), holding screw (12) are located the inside of slider (7) and connecting rod (11).

3. The multi-face milling floating compaction head of claim 2, wherein: the connecting block (5) is rotatably connected with the pressure head (3) through a spherical bearing (4).

4. The multi-face milling floating compaction head of claim 3, wherein: connecting block (5) and slider (7) pass through screw (6) fixed connection, the inside of connecting block (5) and slider (7) all seted up with screw (6) matched with screw hole, screw (6) are located the inside of connecting block (5) and slider (7).

5. The multi-face milling floating compaction head of claim 4, wherein: pressure head (3) and connecting block (5) are connected through adjusting screw (1), the inside of pressure head (3) is seted up and is clearance fit between adjusting screw (1) matched with mounting groove and pressure head (3) and adjusting screw (1), the inside of connecting block (5) is seted up and is adjusted screw (1) matched with screw hole, the cover is equipped with adjustment pad (2) on the outer wall of adjusting screw (1).

6. The multi-face milling floating compaction head of claim 5, wherein: the inside of hydro-cylinder piston (13) is seted up with connecting rod (11) matched with draw-in groove, connecting rod (11) and hydro-cylinder piston (13) and first spherical washer (9) all block.