CN213164315U

CN213164315U - Compound tool changing device of horizontal gantry machining center

Info

Publication number: CN213164315U
Application number: CN202021276606.5U
Authority: CN
Inventors: 杨凡
Original assignee: Nanjing Yingrui Cnc Technology Co ltd
Current assignee: Nanjing Yingrui Cnc Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-05-11
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a composite tool changing device of a horizontal gantry machining center, which comprises a workbench, a clamping structure and a tool changing structure; a working plate table: the upper end of the gantry is provided with a gantry, and the front end of the gantry is provided with a ram; the clamping structure is as follows: is arranged at the lower end of the ram; tool changing structure: the left side of the upper end surface of the workbench; wherein: still include the PLC controller, be provided with the PLC controller on the left side outer wall of longmen, external power source is connected to the input electricity of PLC controller, and the output of PLC controller is connected to the input electricity of ram, the lower extreme of ram is provided with the installation section of thick bamboo, the slider that evenly sets up and the spout sliding connection that the installation section of thick bamboo lower extreme corresponds, terminal surface fixed connection under the upper surface of arc slide respectively with the slider that corresponds, this compound tool changing device of horizontal longmen machining center realizes the automatic centre gripping to the cutter, plays the supporting role to inner structure, realizes that the cutter is automatic to be changed, and the cutter is damaged when can preventing the cutter changing.

Description

Compound tool changing device of horizontal gantry machining center

Technical Field

The utility model relates to a longmen machining center tool changing technical field specifically is a compound tool changing device of horizontal longmen machining center.

Background

The gantry machining center is a machining center with a ram axis perpendicular to a workbench, the whole structure is a gantry frame and comprises double upright posts, a top beam and a cross beam in the middle, the gantry machining center is particularly suitable for machining large workpieces and workpieces with complex shapes, the workbench of the gantry machining center is basically rectangular, large castings such as the workbench, a lathe bed, the upright posts, the cross beam, the ram and the like are cast iron or welded parts, the inner cavity of the casting is of a honeycomb type composite arrangement structure, the design is advanced, the residual internal stress is eliminated through aging and secondary tempering treatment, the material quality is stable, the stability of the machining precision of the workpiece and the service life of a machine tool are ensured, different cutters are required when the gantry machining center machines different workpieces, the traditional gantry machining center needs manual tool changing, is low in production efficiency and cannot automatically change tools, so that the composite tool changing device for the horizontal gantry machining center is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a compound toolchanger of horizontal longmen machining center, can realize the automatic centre gripping to the cutter, realize that the cutter is automatic to be changed, cutter quilt is damaged when can preventing the tool changing, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite tool changing device of a horizontal gantry machining center comprises a working plate table, a clamping structure and a tool changing structure;

a working plate table: the upper end of the gantry is provided with a gantry, and a ram is arranged in the mounting groove at the front end of the gantry;

the clamping structure is as follows: the main shaft is arranged at the front end of the ram and is matched with the main shaft in the ram;

tool changing structure: the left side of the upper end surface of the workbench;

wherein: still include the PLC controller, be provided with the PLC controller on the left side outer wall at longmen, external power source is connected to the input electricity of PLC controller, and the output of PLC controller is connected to the input electricity of ram, realizes the automatic centre gripping to the cutter, plays the supporting role to inner structure, realizes that the cutter is automatic to be changed, and the cutter is damaged when can preventing the tool changing.

Further, clamping structure includes slider, arc slide, an installation section of thick bamboo and sliding shaft, the lower extreme of ram is provided with an installation section of thick bamboo, the spout sliding connection that the slider that evenly sets up and an installation section of thick bamboo lower extreme correspond, the upper surface of arc slide respectively with the slider terminal surface fixed connection down that corresponds, the pulley is installed to the front end opening part of arc slide, be provided with the sliding shaft on the lower terminal surface of arc slide, realize the automatic centre gripping to the cutter.

Further, clamping structure still includes connecting rod, revolving fragment, toothed disc, first motor and gear, the toothed disc passes through the bearing and is connected with the outer wall rotation of an installation section of thick bamboo, be provided with first motor on the preceding terminal surface of ram, install the gear on the output shaft of first motor, gear and toothed disc meshing, the lower terminal surface edge of toothed disc and the connecting rod up end fixed connection of even setting, the lower terminal surface of connecting rod and the up end fixed connection of revolving fragment, the arc spout that evenly sets up and the sliding shaft sliding connection that corresponds on the revolving fragment, the output of PLC controller is connected to the input electricity of first motor, play the supporting role to inner structure, provide drive power for the centre gripping cutter.

Furthermore, arc-shaped sliding grooves evenly arranged on the rotating plates are connected with corresponding sliding shafts in a sliding mode.

Further, the tool changing structure comprises a connecting block, a second motor and a cutter disc, the second motor is arranged on the left side of the upper end face of the workbench, the connecting block is arranged on an output shaft of the second motor, the cutter disc is arranged at the upper end of the connecting block, cutter holes are evenly formed in the edge of a plate body of the cutter disc, the input end of the second motor is electrically connected with the output end of the PLC, and different cutters can be replaced as required.

Further, still include the rubber pad, the even cutter placing hole that sets up in plate body edge of blade disc all is provided with the rubber pad, and the cutter is damaged when can preventing the tool changing.

Compared with the prior art, the beneficial effects of the utility model are that: this compound tool changing device of horizontal longmen machining center has following benefit:

1. the PLC controller controls the first motor to work to drive the gear to rotate, the gear is meshed with the gear disc, the gear disc is rotatably connected with the outer wall of the mounting cylinder through a bearing to drive the gear disc to rotate, the lower end of the gear disc is fixedly connected with the rotary plate through a connecting rod to support the internal structure and prevent the internal structure from falling, meanwhile, the gear disc drives the rotary plate to rotate, the arc-shaped sliding grooves uniformly arranged on the rotary plate are slidably connected with sliding shafts at the lower end of the corresponding arc-shaped sliding plate, the sliding blocks at the upper end of the arc-shaped sliding plate are slidably connected with the sliding grooves at the lower end of the mounting cylinder, so that the rotary plate rotates to drive the arc-shaped sliding plate to slide backwards along the corresponding sliding grooves at the lower end of the mounting cylinder, the round hole at the middle part of the arc-shaped sliding plate is enlarged, the PLC controller controls the ram to move downwards to the tool changing position, the PLC controller controls the, thereby realize the automatic centre gripping to the cutter, the front end opening part of arc slide installs the pulley, thereby the pulley and the slide cooperation on the cutter guarantee to add man-hour cutter rotational speed not influenced.

2. The PLC controller controls the second motor to work, drives the cutter disc at the upper end of the connecting block to rotate for a certain angle, so that the cutters in the cutter hole correspond to the mounting cylinder, and different cutters can be replaced as required.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the clamping structure of the present invention.

In the figure: the tool changing device comprises a working table 1, a clamping structure 2, a connecting rod 21, a rotating sheet 22, a sliding block 23, an arc sliding plate 24, a mounting barrel 25, a sliding shaft 26, a gear disc 27, a first motor 28, a gear 29, a tool changing structure 3, a connecting block 31, a second motor 32, a cutter disc 33, a gantry 4, a ram 5, a PLC 6 and a rubber pad 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a composite tool changing device of a horizontal gantry machining center comprises a working plate table 1, a clamping structure 2 and a tool changing structure 3;

work bench 1: the upper end of the gantry is provided with a gantry 4, and a ram 5 is arranged in an installation groove at the front end of the gantry 4 to provide an installation place for an upper structure;

the clamping structure 2: the clamping structure 2 comprises a sliding block 23, an arc-shaped sliding plate 24, a mounting cylinder 25 and a sliding shaft 26, the lower end of the ram 5 is provided with the mounting cylinder 25, the sliding blocks 23 which are uniformly arranged are in sliding connection with a sliding groove corresponding to the lower end of the mounting cylinder 25, the upper surface of the arc-shaped sliding plate 24 is fixedly connected with the lower end surface of the corresponding sliding block 23, a pulley is arranged at an opening at the front end of the arc-shaped sliding plate 24, the sliding shaft 26 is arranged on the lower end surface of the arc-shaped sliding plate 24, the clamping structure 2 further comprises a connecting rod 21, a rotating sheet 22, a gear disc 27, a first motor 28 and a gear 29, the gear disc 27 is rotatably connected with the outer wall of the mounting cylinder 25 through a bearing, the first motor 28 is arranged on the front end surface of the ram 5, the gear 29 is arranged on an output shaft of the first motor 28, the gear 29 is meshed with the gear disc 27, the lower end surface edge of the gear disc 27 is fixedly connected, the lower end surface of the connecting rod 21 is fixedly connected with the upper end surface of the rotating sheet 22, the arc sliding chutes evenly arranged on the rotating sheet 22 are slidably connected with the corresponding sliding shafts 26, the PLC 6 controls the first motor 28 to work to drive the gear 29 to rotate, because the gear 29 is meshed with the gear disc 27, the gear disc 27 is rotatably connected with the outer wall of the mounting cylinder 25 through the bearing, thereby driving the gear disc 27 to rotate, the lower end of the gear disc 27 is fixedly connected with the rotating sheet 22 through the connecting rod 21 to support the internal structure and prevent the internal structure from falling, meanwhile, the gear disc 27 drives the rotating sheet 22 to rotate, because the arc sliding chutes evenly arranged on the rotating sheet 22 are slidably connected with the corresponding sliding shafts 26 at the lower end of the arc sliding plate 24, and the sliding blocks 23 at the upper end of the arc sliding plate 24 are slidably connected with the corresponding sliding chutes at the lower end of the mounting cylinder 25, so that the rotating sheet 22 rotates to drive the arc sliding plate, therefore, the circular hole in the middle of the arc-shaped sliding plate 24 is enlarged, the PLC 6 controls the ram 5 to move to the tool changing position, the ram 5 moves downwards, the PLC 6 controls the first motor 28 to work reversely, the rotating piece 22 rotates to drive the arc-shaped sliding plate 24 to slide forwards along the corresponding sliding groove at the lower end of the mounting cylinder 25, so that the automatic clamping of the tool is realized, the opening at the front end of the arc-shaped sliding plate 24 is provided with the pulley, and the pulley is matched with the sliding way on the tool so as to ensure that the rotating speed of the tool is not influenced;

tool changing structure 3: the tool changing mechanism is arranged on the left side of the upper end face of the workbench 1, the tool changing structure 3 comprises a connecting block 31, a second motor 32 and a cutter disc 33, the second motor 32 is arranged on the left side of the upper end face of the workbench 1, the connecting block 31 is arranged on an output shaft of the second motor 32, the cutter disc 33 is arranged at the upper end of the connecting block 31, tool placing holes are uniformly formed in the edge of a plate body of the cutter disc 33, the PLC 6 controls the second motor 32 to work, the cutter disc 33 at the upper end of the connecting block 31 is driven to rotate for a certain angle, so that tools in the tool placing holes correspond to the mounting cylinder 25, and different tools;

wherein: still include PLC controller 6, be provided with PLC controller 6 on the left side outer wall of longmen 4, external power source is connected to PLC controller 6's input electricity, and the output of PLC controller 6 is all connected to the equal electricity of input of ram 5, first motor 28 and second motor 32.

Wherein: still include rubber pad 7, the even cutter placing hole that sets up in plate body edge of blade disc 33 all is provided with rubber pad 7, and the cutter is damaged when can preventing the tool changing.

When in use: the PLC 6 controls the first motor 28 to work to drive the gear 29 to rotate, because the gear 29 is meshed with the gear disc 27, the gear disc 27 is rotatably connected with the outer wall of the mounting cylinder 25 through a bearing, thereby driving the gear disc 27 to rotate, the lower end of the gear disc 27 is fixedly connected with the rotary sheet 22 through the connecting rod 21, and plays a supporting role for the internal structure to prevent the internal structure from falling off, meanwhile, the gear disc 27 drives the rotary sheet 22 to rotate, because the arc-shaped sliding grooves uniformly arranged on the rotary sheet 22 are slidably connected with the sliding shafts 26 at the lower end of the corresponding arc-shaped sliding plates 24, and the sliding blocks 23 at the upper ends of the arc-shaped sliding plates 24 are slidably connected with the corresponding sliding grooves at the lower end of the mounting cylinder 25, so that the rotary sheet 22 rotates to drive the arc-shaped sliding plates 24 to slide backwards along the corresponding sliding grooves at the lower end of the mounting cylinder 25, make it remove to the tool changing position, PLC controller 6 controls second motor 32 work simultaneously, the rotatory certain angle of blade disc 33 of drive connecting block 31 upper end, make the cutter of putting in the blade hole correspond with installation section of thick bamboo 25, can change different cutters as required, ram 5 moves down, the first 28 reverse work of motor of PLC controller 6 control, rotatory spout that drives arc slide 24 and correspond along installation section of thick bamboo 25 lower extreme of revolving fragment 22 slides forward, thereby realize the automatic centre gripping to the cutter, the pulley is installed to the front end opening part of arc slide 24, thereby the pulley cooperates with the slide on the cutter and guarantees to add the cutter rotational speed man-hour, all be provided with rubber pad 7 in putting the blade hole that the plate body edge of blade disc 33 evenly set up, the cutter is damaged when can preventing the tool changing.

It should be noted that, in the embodiment, the first motor 28 and the second motor 32 may be stepping motors of 25BYZ model number, which is manufactured by yoyuan microtte motors ltd, in york city, the ram 5 may be a ram of a shandongwei intelligent numerical control machine, the core chip of the PLC controller 6 is a PLC single chip microcomputer, which is specifically a siemens S7-200 model number, and the PLC controller 6 controls the first motor 28 and the second motor 32 to work by a common method in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound tool changing device of horizontal longmen machining center which characterized in that: comprises a working plate table (1), a clamping structure (2) and a tool changing structure (3);

work bench (1): the upper end of the gantry is provided with a gantry (4), and a ram (5) is arranged in a mounting groove at the front end of the gantry (4);

clamping structure (2): the main shaft is arranged at the front end of the ram (5) and is matched with the main shaft in the ram (5);

tool changing structure (3): is arranged on the left side of the upper end surface of the workbench (1);

wherein: the automatic control device is characterized by further comprising a PLC (6), wherein the PLC (6) is arranged on the outer wall of the left side of the gantry (4), an external power supply is electrically connected with the input end of the PLC (6), and the output end of the PLC (6) is electrically connected with the input end of the ram (5).

2. The compound tool changing device of a horizontal gantry machining center according to claim 1, characterized in that: clamping structure (2) are including slider (23), arc slide (24), an installation section of thick bamboo (25) and sliding shaft (26), the lower extreme of ram (5) is provided with an installation section of thick bamboo (25), the spout sliding connection that slider (23) and an installation section of thick bamboo (25) lower extreme correspond that evenly set up, the upper surface of arc slide (24) respectively with slider (23) lower extreme fixed connection that corresponds, the pulley is installed to the front end opening part of arc slide (24), be provided with sliding shaft (26) on the lower terminal surface of arc slide (24).

3. The compound tool changing device of a horizontal gantry machining center according to claim 2, characterized in that: clamping structure (2) still include connecting rod (21), revolving fragment (22), toothed disc (27), first motor (28) and gear (29), toothed disc (27) are connected through the outer wall rotation of bearing and installation section of thick bamboo (25), are provided with first motor (28) on the preceding terminal surface of ram (5), install gear (29) on the output shaft of first motor (28), gear (29) and toothed disc (27) meshing, the lower terminal surface edge of toothed disc (27) and the connecting rod (21) up end fixed connection of even setting, the lower terminal surface of connecting rod (21) and the up end fixed connection of revolving fragment (22), the output of PLC controller (6) is connected to the input electricity of first motor (28).

4. The compound tool changing device of a horizontal gantry machining center according to claim 3, characterized in that: the arc-shaped sliding grooves uniformly arranged on the rotating sheet (22) are in sliding connection with the corresponding sliding shafts (26).

5. The compound tool changing device of a horizontal gantry machining center according to claim 1, characterized in that: tool changing structure (3) are including connecting block (31), second motor (32) and blade disc (33), the up end left side of workstation (1) is provided with second motor (32), is provided with connecting block (31) on the output shaft of second motor (32), and connecting block (31) upper end is provided with blade disc (33), and the plate body edge of blade disc (33) evenly is provided with puts the tool hole, and the output of PLC controller (6) is connected to the input electricity of second motor (32).

6. The compound tool changing device of a horizontal gantry machining center according to claim 5, characterized in that: still include rubber pad (7), the cutter placing hole that the plate body edge of blade disc (33) evenly set up all is provided with rubber pad (7).