CN216371249U

CN216371249U - Knife tower follow-up ram

Info

Publication number: CN216371249U
Application number: CN202122037876.1U
Authority: CN
Inventors: 贾正民; 田思收
Original assignee: Youji Machine Industrial China Co ltd
Current assignee: Youji Machine Industrial China Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-04-26
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to a turret follow-up ram, which comprises a sliding seat, wherein a sliding groove is formed in the front surface of the sliding seat, a ram is arranged in the sliding groove, a turret is arranged at the position, close to the bottom, of the front surface of the ram, and an oil pressure motor and a pressure cylinder, which are used for driving a rotating shaft in the turret to rotate, are arranged at the top of the ram; a first transmission cavity communicated with the sliding groove is arranged in the sliding seat, and a transmission device is arranged in the first transmission cavity and is in transmission connection with the ram through a connecting block; and a second transmission cavity is arranged in the ram, a transmission shaft is arranged in the second transmission cavity, the top of the transmission shaft is in transmission connection with the oil pressure motor, and the bottom of the transmission shaft is in transmission connection with the rotating shaft. This kind of sword tower trailing type ram sets up the sword tower on the ram, and the flexible operation can require the tool changing nearby according to vertical lathe processing, has reduced the tool changing time of cutter greatly, has improved tool changing efficiency, and then has guaranteed production efficiency, has improved the product productivity.

Description

Knife tower follow-up ram

Technical Field

The utility model relates to a ram of a machine tool, in particular to a turret follow-up ram.

Background

The ram is a pillow-shaped part which is provided with a tool rest, a spindle box and the like, has a guide rail and can move on a lathe bed or other parts, and is another movable mechanism which is superposed with one movable mechanism on the lathe bed; the ram mechanism is used for ensuring the mechanical rigidity and precision of a machine tool main shaft or a cutter during machining extension.

Most of ram mechanisms of existing vertical lathes are connected with a machine tool spindle, a cutter is mounted on the machine tool spindle, a workpiece mounted on a machine tool workbench is subjected to incoming machining through the cutter at the end part of the machine tool spindle, and the cutter on the machine tool spindle needs to be switched in time according to different machining requirements.

At present, most of vertical lathes in the market adopt a tool changing structure for meeting the processing requirements of products, therefore, a corresponding tool needs to be replaced in each processing procedure, the main tool changing process is that a machine tool spindle stops and moves to a tool changing position, then the tool on the machine tool spindle is taken down by a tool changing mechanism and put into a tool magazine of a tool turret, then the required tool is selected from the tool magazine of the tool turret by the tool changing mechanism and is installed on the machine tool spindle, and then workpieces are processed, the tool changing structure and the process increase the equipment processing cost, the tool changing time is long, the production efficiency is reduced, and the productivity is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a turret follow-up ram which can shorten the tool changing time of a vertical lathe and ensure the production efficiency.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a turret follow-up ram comprises a sliding seat, wherein a sliding groove which is communicated up and down is formed in the front surface of the sliding seat, a ram which is in sliding fit with the sliding groove is arranged in the sliding groove up and down, a turret is fixedly arranged at the position, close to the bottom, of the front surface of the ram, an oil pressure motor used for driving a rotating shaft in the turret to rotate and a pressure cylinder capable of controlling a locking mechanism in the turret to lock or unlock are arranged at the top of the ram, the locking mechanism is sleeved outside the rotating shaft and is in pneumatic connection with the pressure cylinder through a pipeline which is pre-embedded in the ram, and the pressure cylinder can control the locking mechanism to lock or unlock the rotating shaft through the pipeline; a first transmission cavity communicated with the sliding groove is formed in the sliding seat, a transmission device is arranged in the first transmission cavity, the transmission device is in transmission connection with a ram arranged in the sliding groove through a connecting block, and the transmission device can drive the ram to move linearly up and down in the sliding groove through the connecting block and drive the cutter tower to move synchronously; be provided with the second transmission chamber in the ram, be provided with the transmission shaft in the second transmission chamber, the transmission shaft top with the oil pressure motor transmission is connected, and the bottom is provided with the movable fluted disc, movable fluted disc and the meshing of the epaxial fixed fluted disc of setting in commentaries on classics, oil pressure motor drive transmission shaft rotate and then drive the movable fluted disc and rotate, and the movable fluted disc drives the pivot through the fixed fluted disc rather than the meshing and rotates to the blade disc graduation rotates on the drive sword tower.

Furthermore, the transmission device consists of a servo motor, a coupler, a screw rod and a nut; the nut is sleeved outside the screw rod and is in threaded fit with the screw rod, the nut can be driven to do reciprocating linear motion outside the screw rod by rotating the screw rod, and the connecting block is fixedly connected to the nut through a bolt; the coupler is arranged between the screw rod and the servo motor, and the screw rod is in transmission connection with the servo motor through the coupler.

Further, the position that the ram openly is close to the bottom is provided with the interlock hole with the inside and outside intercommunication in second transmission chamber, the sword tower sets up in the interlock hole outside, and its inside pivot extends in the second transmission intracavity through the interlock hole, the fixed tooth dish sets up the position that extends in second transmission intracavity portion in the pivot.

Furthermore, the positions of the sliding seat, which are positioned at the left side and the right side of the sliding groove, form bilaterally symmetrical limiting bulges, the limiting bulges are fixedly connected with guide limiting blocks through bolts, and an inverted T-shaped structure is formed between the guide limiting blocks and the sliding groove; the left side and the right side of the ram corresponding to the guide limiting block are symmetrically provided with guide grooves in sliding fit with the guide limiting block.

Furthermore, the transmission shaft is movably connected with the ram through first bearings, and the two first bearings are symmetrically arranged on the transmission shaft and close to the two ends of the transmission shaft.

Furthermore, the screw rod is movably connected with the sliding seat through two second bearings, and the two second bearings are symmetrically arranged on the screw rod and are close to the two ends.

Further, the locking mechanism is a pneumatic tooth clutch.

Compared with the prior art, the utility model has the advantages that: this kind of sword tower trailing type ram sets up the sword tower on the ram, and the flexible operation can require the tool changing nearby according to vertical lathe processing, has reduced the tool changing time of cutter greatly, has improved tool changing efficiency, and then has guaranteed production efficiency, has improved the product productivity.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of an end face structure of a turret-type ram according to the present invention;

FIG. 2 is a schematic diagram of an end face structure of a sliding seat in the turret-type ram of the present invention;

FIG. 3 is a schematic diagram of an end face structure of a ram in a turret-type ram according to the present invention;

fig. 4 is a schematic side view of a turret-follower ram according to the present invention.

In the figure: 1. a slide base; 11. a chute; 12. a limiting bulge; 13. a guide limiting block; 14. a first transmission chamber; 2. a ram; 21. a guide groove; 22. a second drive chamber; 23. an engagement hole; 24. a fixed gear disc; 3. a turret; 31. a rotating shaft; 4. an oil pressure motor; 41. a drive shaft; 42. a first bearing; 43. a movable fluted disc; 5. a booster cylinder; 51. a pipeline; 6. a servo motor; 61. a screw; 62. a nut; 63. connecting blocks; 64. a second bearing; 7. a coupling is provided.

Detailed Description

The utility model is described in detail below with reference to the following figures and embodiments:

fig. 1 and 4 show a turret follow-up ram, which includes a sliding seat 1, a sliding groove 11 which is communicated up and down is arranged on the front surface of the sliding seat 1, a ram 2 which is in sliding fit with the sliding groove 11 up and down is arranged in the sliding groove 11, a turret 3 is fixedly arranged on the front surface of the ram 2 near the bottom, an oil pressure motor 4 for driving a rotating shaft 31 in the turret 3 to rotate and a pressure cylinder 5 which can control a locking mechanism in the turret 3 to lock or unlock are arranged on the top, the locking mechanism is sleeved outside the rotating shaft 31 and is pneumatically connected with the pressure cylinder 5 through a pipeline 51 which is embedded in the ram 2, and the pressure cylinder 5 can control the locking mechanism to lock or unlock the rotating shaft 31 through the pipeline 51; a first transmission cavity 14 communicated with the sliding chute 11 is arranged in the sliding seat 1, a transmission device is arranged in the first transmission cavity 14, the transmission device is in transmission connection with a ram 2 arranged in the sliding chute 11 through a connecting block 63, and the transmission device can drive the ram 2 to move linearly up and down in the sliding chute 11 through the connecting block 63 and drive the turret 3 to move synchronously; be provided with second transmission chamber 22 in the ram 2, be provided with transmission shaft 41 in the second transmission chamber 22, transmission shaft 41 top with oil pressure motor 4 transmission is connected, and the bottom is provided with movable fluted disc 43, movable fluted disc 4 meshes with the fixed fluted disc 24 that sets up in pivot 31, and oil pressure motor 4 drive transmission shaft 41 rotates and then drives movable fluted disc 43 and rotate, and movable fluted disc 43 drives pivot 31 through the fixed fluted disc 24 rather than the meshing and rotates to the blade disc graduation rotates on the drive sword tower 3.

In order to drive the ram 2 to move linearly through the connecting block 63, the transmission device consists of a servo motor 6, a coupler 7, a screw 61 and a nut 62; the nut 62 is sleeved outside the screw rod 61 and is in threaded fit with the screw rod 61, the nut 62 can be driven to reciprocate linearly outside the screw rod 61 by rotating the screw rod 61, and the connecting block 63 is fixedly connected to the nut 62 through a bolt; the coupler 7 is arranged between the screw 61 and the servo motor 6, and the screw 61 is in transmission connection with the servo motor 6 through the coupler 7.

In order to drive the cutter tower 3 to move, an engagement hole 23 communicated with the inside and the outside of the second transmission cavity 22 is formed in the position, close to the bottom, of the front face of the ram 2, the cutter tower 3 is arranged on the outer side of the engagement hole 23, the inner rotating shaft 31 of the cutter tower extends into the second transmission cavity 22 through the engagement hole 23, and the fixed gear disc 24 is arranged on the rotating shaft 31 and extends to the position inside the second transmission cavity 22.

As shown in fig. 2 and 3, in order to ensure the moving position of the ram 2 on the sliding seat 1, bilaterally symmetrical limiting protrusions 12 are formed at the positions, located at the left and right sides of the sliding groove 11, on the sliding seat 1, guide limiting blocks 13 are fixedly connected to the limiting protrusions 12 through bolts, and an inverted T-shaped structure is formed between the guide limiting blocks 13 and the sliding groove 11; the ram 2 is symmetrically provided with guide grooves 21 which are in sliding fit with the guide limiting blocks 13 corresponding to the left side and the right side of the guide limiting blocks 13.

In order to ensure that the transmission shaft 41 can rotate flexibly, the transmission shaft 41 is movably connected with the ram 2 through a first bearing 42, and the number of the first bearings 42 is two, and the two first bearings 42 are symmetrically arranged on the transmission shaft 41 near the two ends.

In order to ensure that the screw 61 rotates flexibly, the screw 61 is movably connected with the sliding seat 1 through a second bearing 64, and the second bearing 64 is provided with two bearings which are symmetrically arranged on the screw 61 near the two ends.

In order to control the locking and unlocking of the rotating shaft 31, the locking mechanism is a pneumatic tooth clutch.

The specific working principle is as follows: the servo motor 6 is started, the screw rod 61 is driven to rotate through the coupler 7, the screw rod 61 can drive the nut 62 in threaded fit with the screw rod 61 to perform linear motion outside the screw rod 61 in a rotating mode, the nut 62 can perform upward or downward linear motion outside the screw rod according to the forward rotation or reverse rotation of the screw rod 61, the nut 62 drives the ram 2 to perform synchronous motion through the connecting block 63 when moving, the ram 2 guarantees the moving linearity and position under the limiting of the sliding groove 11, and the ram 2 drives the cutter tower 3 on the front side of the ram to perform synchronous motion when moving; when the cutter tower 3 changes the cutter, the pressure cylinder 5 drives the locking mechanism to loosen the rotating shaft 31 through the pipeline 51, then the oil pressure motor 4 drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the movable fluted disc 43 to rotate, the movable fluted disc 43 drives the fixed fluted disc 24 engaged with the movable fluted disc to rotate, the fixed fluted disc 24 drives the rotating shaft 31 to rotate, and the rotating shaft 31 drives the cutter disc connected with the cutter tower 3 to rotate according to a set angle, so that the cutter is switched; after the designated cutter is switched in place, the oil pressure motor 4 stops, the pressurizing cylinder 5 drives the locking mechanism to lock the rotating shaft 31 through the pipeline 51, the locking of the cutter tower 3 is realized, and the cutter can process the workpiece to be processed conveniently.

This kind of sword tower trailing type ram sets up the sword tower on the ram, and the flexible operation can require the tool changing nearby according to vertical lathe processing, has reduced the tool changing time of cutter greatly, has improved tool changing efficiency, and then has guaranteed production efficiency, has improved the product productivity.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a sword tower trailing type ram which characterized in that: the tool rest comprises a sliding seat (1), wherein a sliding groove (11) which is communicated up and down is formed in the front surface of the sliding seat (1), a ram (2) which is in sliding fit with the sliding groove is arranged in the sliding groove (11) up and down, a turret (3) is fixedly arranged at a position, close to the bottom, in the front surface of the ram (2), an oil pressure motor (4) which is used for driving a rotating shaft (31) in the turret (3) to rotate and a pressurizing cylinder (5) which can control a locking mechanism in the turret (3) to lock or release are arranged at the top of the ram, the locking mechanism is sleeved outside the rotating shaft (31) and is in pneumatic connection with the pressurizing cylinder (5) through a pipeline (51) which is embedded in the ram (2), and the pressurizing cylinder (5) can control the locking mechanism to lock or release the rotating shaft (31) through the pipeline (51); a first transmission cavity (14) communicated with the sliding chute (11) is arranged in the sliding seat (1), a transmission device is arranged in the first transmission cavity (14), the transmission device is in transmission connection with a ram (2) arranged in the sliding chute (11) through a connecting block (63), and the transmission device can drive the ram (2) to move linearly up and down in the sliding chute (11) through the connecting block (63) and drive the turret (3) to move synchronously; be provided with second transmission chamber (22) in ram (2), be provided with transmission shaft (41) in second transmission chamber (22), transmission shaft (41) top with oil pressure motor (4) transmission is connected, and the bottom is provided with movable fluted disc (43), movable fluted disc (43) and the meshing of fixed fluted disc (24) of setting on pivot (31), oil pressure motor (4) drive transmission shaft (41) rotate and then drive movable fluted disc (43) and rotate, and movable fluted disc (43) drive pivot (31) through fixed fluted disc (24) rather than the meshing and rotate to drive cutter disc graduation rotation on cutter tower (3).

2. The turret follower ram as claimed in claim 1, wherein: the transmission device consists of a servo motor (6), a coupler (7), a screw rod (61) and a nut (62); the nut (62) is sleeved outside the screw rod (61) and is in threaded fit with the screw rod (61), the screw rod (61) can be rotated to drive the nut (62) to move back and forth in a linear mode outside the screw rod, and the connecting block (63) is fixedly connected to the nut (62) through a bolt; the coupling (7) is arranged between the screw rod (61) and the servo motor (6), and the screw rod (61) is in transmission connection with the servo motor (6) through the coupling (7).

3. The turret follower ram as claimed in claim 1, wherein: the position that ram (2) openly are close to the bottom is provided with and transmits chamber (22) inside and outside intercommunication's interlock hole (23) with the second, sword tower (3) set up in interlock hole (23) outside, and its inside pivot (31) extend in second transmission chamber (22) through interlock hole (23), fixed tooth dish (24) set up and extend the position in second transmission chamber (22) inside on pivot (31).

4. The turret follower ram as claimed in claim 1, wherein: the sliding seat (1) is provided with limiting bulges (12) which are bilaterally symmetrical at the left side and the right side of the sliding groove (11), the limiting bulges (12) are fixedly connected with guiding limiting blocks (13) through bolts, and an inverted T-shaped structure is formed between the guiding limiting blocks (13) and the sliding groove (11); the left side and the right side of the ram (2) corresponding to the guide limiting block (13) are symmetrically provided with guide grooves (21) matched with the guide limiting block (13) in a sliding manner.

5. The turret follower ram as claimed in claim 1, wherein: the transmission shaft (41) is movably connected with the ram (2) through a first bearing (42), and the number of the first bearings (42) is two, and the two bearings are symmetrically arranged on the transmission shaft (41) and are close to the two ends.

6. The turret follower ram as claimed in claim 2, wherein: the screw rod (61) is movably connected with the sliding seat (1) through a second bearing (64), and the second bearing (64) is provided with two bearings which are symmetrically arranged on the screw rod (61) and are close to the two ends.

7. The turret follower ram as claimed in claim 1, wherein: the locking mechanism is a pneumatic tooth-shaped clutch.