阅读说明：本技术 一种铝型材高速四轴数控加工中心换刀结构及其换刀方法 (Tool changing structure and tool changing method of high-speed four-axis numerical control machining center for aluminum profile ) 是由 朱三宝 朱正伦 汪韦 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种铝型材高速四轴数控加工中心换刀结构,包括夹具头以及换刀盘仓机构；所述夹具头包括夹具座和刀具；所述夹具座上环向设置刀具座,所述刀具与刀具座一一对应设置；所述换刀盘仓机构包括换刀盘仓、推拉杆以及换刀抓手；所述换刀盘仓设置在刀具座顶部,推拉杆与换刀盘仓环向滑动配合；所述换刀抓手固定在推拉杆下方；本发明结构设置巧妙且布置合理,本发明巧妙设计夹具头以及换刀盘仓机构,换刀时,换刀抓手进入刀具座内将刀具旋转拔入刀具座内；推拉杆旋转至相应的刀具座顶部；推拉杆伸缩驱动换刀抓手进入刀具座内将刀具座内的刀具推出至刀具座下方出刀,并旋转锁定,大大方便了加工中心换刀。(The invention discloses a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles, which comprises a clamp head and a tool changing disc bin mechanism, wherein the clamp head is connected with the tool changing disc bin mechanism; the clamp head comprises a clamp seat and a cutter; the tool seats are arranged on the clamp seat in the circumferential direction, and the tools and the tool seats are arranged in a one-to-one correspondence manner; the tool changing plate bin mechanism comprises a tool changing plate bin, a push-pull rod and a tool changing gripper; the tool changing plate bin is arranged at the top of the tool seat, and the push-pull rod is in annular sliding fit with the tool changing plate bin; the tool changing gripper is fixed below the push-pull rod; the tool changing device is ingenious in structural arrangement and reasonable in arrangement, the fixture head and the tool changing disc bin mechanism are ingeniously designed, and when tools are changed, the tool changing gripper enters the tool seat to rotationally pull the tools into the tool seat; the push-pull rod rotates to the top of the corresponding cutter seat; the push-pull rod drives the tool changing gripper to enter the tool seat in a telescopic mode to push the tool in the tool seat out to the position below the tool seat for tool discharging, and the tool changing gripper is rotationally locked, so that tool changing of a machining center is greatly facilitated.)

1. A tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles is characterized by comprising a clamp head and a tool changing disc bin mechanism; the clamp head comprises a clamp seat and a cutter; the tool seats are arranged on the clamp seat in the circumferential direction, and the tools and the tool seats are arranged in a one-to-one correspondence manner; the tool changing plate bin mechanism comprises a tool changing plate bin, a push-pull rod and a tool changing gripper; the tool changing plate bin is arranged at the top of the tool seat, and the push-pull rod is in annular sliding fit with the tool changing plate bin; the tool changing gripper is fixed below the push-pull rod; the push-pull rod can move to the top of the cutter seat along the cutter changing plate bin, and the push-pull rod telescopically drives the cutter changing gripper to enter the cutter seat to push out a cutter in the cutter seat to the position below the cutter seat for cutter discharging and rotationally locking; when the tool is changed, the tool changing gripper enters the tool seat to rotationally pull the tool into the tool seat, and the push-pull rod rotates to the top of the corresponding tool seat to push the corresponding tool to be discharged and rotationally locked.

2. The tool changing structure of the aluminum profile high-speed four-axis numerical control machining center according to claim 1, wherein the tool is in sliding fit with the upper part of the tool seat, and the tool is in threaded fit with the lower part of the tool seat.

3. The tool changing structure of the aluminum profile high-speed four-axis numerical control machining center according to claim 2, wherein the push-pull rod is a telescopic cylinder, and the telescopic cylinder can push a tool to be discharged from the tool seat and keep thrust locking.

4. The tool changing structure of the aluminum profile high-speed four-axis numerical control machining center according to claim 3, wherein the tool is elastically connected in the tool seat.

5. The tool changing structure of the aluminum profile high-speed four-axis numerical control machining center according to claim 4, wherein sliding protrusions are arranged at two ends of the top of the tool, sliding grooves are formed in the tool base corresponding to the sliding protrusions, the sliding protrusions are in sliding fit with the sliding grooves, and the tops of the sliding protrusions are connected to the tops of the sliding grooves through return springs.

6. The aluminum profile high-speed four-axis numerical control machining center tool changing structure as claimed in claim 5, wherein an annular groove is formed in the tool changing plate bin, a pulley is matched on the arc groove, a fixing plate is fixedly connected to the outer side of the pulley, a rotating motor is connected to the fixing plate, a push-pull rod is connected to the rotating motor, a gear ring is fixedly connected to the inner side of the pulley, and a gear ring power mechanism is arranged in the tool changing plate bin.

7. The tool changing structure of the aluminum profile high-speed four-axis numerical control machining center according to claim 6, wherein the gear ring power mechanism comprises a driving gear and a gear motor for driving the driving gear to rotate, and the driving gear is in meshing transmission with the gear ring.

8. A tool changing method using the tool changing structure of the aluminum profile high-speed four-axis numerical control machining center as claimed in claim 1 is characterized by comprising the following specific steps of:

the method comprises the following steps: the tool changing gripper enters the tool seat to rotationally pull the tool into the tool seat;

step two: the push-pull rod rotates to the top of the corresponding cutter seat;

step three: the push-pull rod drives the tool changing gripper to enter the tool seat in a telescopic mode to push the tool in the tool seat out to the position below the tool seat for tool discharging, and the tool is rotationally locked.

Technical Field

The invention relates to the technical field of aluminum profile machining, in particular to a tool changing structure and a tool changing method of a high-speed four-axis numerical control machining center for an aluminum profile.

Background

The circular sawing machine is also called as a circular sawing machine and is divided into full automation and semi-automation. The circular saw blade performs a rotating cutting movement and simultaneously performs a feed movement with the saw blade magazine (see fig.). The circular saw machine is divided into 3 types of horizontal (horizontal feeding), vertical (vertical feeding) and pendulum (swinging feeding around a fulcrum) according to the feeding direction of the saw blade. In addition, various special circular sawing machines are provided, such as a shaking head sawing machine for cutting a casting head of a large casting; the combined sawing and drilling machine tool is used for sawing and drilling the steel rail;

at present, the aluminum profile high-speed four-axis numerical control machining center is widely applied to aluminum profile machining, however, the aluminum profile high-speed four-axis numerical control machining center is complex in tool changing structure and affected in reliability, and therefore the positioning mechanism and the positioning method of the aluminum profile numerical control double-end precision cutting sawing machine are provided by the inventor for integrating various factors.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the traditional aluminum profile high-speed four-axis numerical control machining center is complex in tool changing structure and affected in reliability;

the invention provides the following technical scheme:

a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles comprises a clamp head and a tool changing disc bin mechanism; the clamp head comprises a clamp seat and a cutter; the tool seats are arranged on the clamp seat in the circumferential direction, and the tools and the tool seats are arranged in a one-to-one correspondence manner; the tool changing plate bin mechanism comprises a tool changing plate bin, a push-pull rod and a tool changing gripper; the tool changing plate bin is arranged at the top of the tool seat, and the push-pull rod is in annular sliding fit with the tool changing plate bin; the tool changing gripper is fixed below the push-pull rod; the push-pull rod can move to the top of the cutter seat along the cutter changing plate bin, and the push-pull rod telescopically drives the cutter changing gripper to enter the cutter seat to push out a cutter in the cutter seat to the position below the cutter seat for cutter discharging and rotationally locking; when the tool is changed, the tool changing gripper enters the tool seat to rotationally pull the tool into the tool seat, and the push-pull rod rotates to the top of the corresponding tool seat to push the corresponding tool to be discharged and rotationally locked.

As a further technical scheme of the invention: the cutter is in sliding fit with the upper part of the cutter seat, and the cutter is in threaded fit with the lower part of the cutter seat;

as a further technical scheme of the invention: the push-pull rod is a telescopic cylinder which can push the cutter to be discharged from the cutter seat and keep the thrust locked.

As a further technical scheme of the invention: the cutter is elastically connected in the cutter seat, so that the cutter can conveniently reset to enter the cutter seat;

as a further technical scheme of the invention: the two ends of the top of the cutter are provided with sliding projections, sliding grooves are correspondingly arranged in the cutter seat in a sliding projection mode, the sliding projections are in sliding fit in the sliding grooves, and the tops of the sliding projections are connected to the tops of the sliding grooves through reset springs.

As a further technical scheme of the invention: an annular groove is formed in the tool changing plate bin, a pulley is matched on the arc-shaped groove, a fixing plate is fixedly connected to the outer side of the pulley, a rotating motor is connected to the fixing plate, the rotating motor is connected with a push-pull rod, a gear ring is fixedly connected to the inner side of the pulley, and a gear ring power mechanism is arranged in the tool changing plate bin;

as a further technical scheme of the invention: the gear ring power mechanism comprises a driving gear and a gear motor driving the driving gear to rotate, and the driving gear is in meshing transmission with the gear ring.

A tool changing method of a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles comprises the following specific steps:

the method comprises the following steps: the tool changing gripper enters the tool seat to rotationally pull the tool into the tool seat;

step two: the push-pull rod rotates to the top of the corresponding cutter seat;

step three: the push-pull rod drives the tool changing gripper to enter the tool seat in a telescopic manner so as to push the tool in the tool seat out to the lower part of the tool seat for tool discharging, and the tool is rotationally locked;

compared with the prior art, the invention has the following beneficial effects:

the invention provides a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles, which is ingenious in structural arrangement and reasonable in arrangement, and the tool changing head and the tool changing plate bin mechanism are skillfully designed, so that when tools are changed, a tool changing gripper enters a tool seat and rotationally pulls the tools into the tool seat; the push-pull rod rotates to the top of the corresponding cutter seat; the push-pull rod drives the tool changing gripper to enter the tool seat in a telescopic mode to push the tool in the tool seat out to the position below the tool seat for tool discharging, and the tool changing gripper is rotationally locked, so that tool changing of a machining center is greatly facilitated.

The cutter is in sliding fit with the upper part of the cutter seat, the cutter is in threaded fit with the lower part of the cutter seat, and the cutter seat realize cutter changing sliding and locking; the cutter is further connected in the cutter seat through elasticity, so that the cutter can conveniently reset and enter the cutter seat.

The tool changing plate bin is further provided with an annular groove, a pulley is matched on the arc-shaped groove, the outer side of the pulley is fixedly connected with a fixed plate, the fixed plate is connected with a rotating motor, the rotating motor is connected with a push-pull rod, and the inner side of the pulley is fixedly connected with a gear ring; the rotation of utilizing the ring gear drives the push-and-pull rod and rotates, realizes the rotational position and adjusts, utilizes the rotating electrical machines to drive the push-and-pull rod simultaneously and rotates, realizes screwing up, and the tool changing structure is succinct, and stability and reliability are high.

Drawings

Fig. 1 is a schematic structural diagram of a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles.

Fig. 2 is a schematic structural diagram of the inside of a cutter seat in a cutter changing structure of a high-speed four-axis numerical control machining center for aluminum profiles.

Fig. 3 is a schematic diagram of a matching structure of a push-pull rod and a tool changing disc bin in a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles.

FIG. 4 is a schematic structural diagram of the inside of a tool changing disc bin in a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles comprises a fixture head 1 and a tool changing plate bin mechanism 2; the clamp head 1 comprises a clamp seat 11 and a cutter 12; the tool seats 111 are circumferentially arranged on the clamp seat 11, and the tools 12 are arranged in one-to-one correspondence with the tool seats 111; the tool changing plate bin mechanism 2 comprises a tool changing plate bin 21, a push-pull rod 22 and a tool changing gripper 23; the tool changing plate bin 21 is arranged at the top of the tool seat 111, and the push-pull rod 22 is in annular sliding fit with the tool changing plate bin 21; the tool changing gripper 23 is fixed below the push-pull rod 22; the push-pull rod 22 can move to the top of the cutter seat 111 along the tool changing plate bin 21, the push-pull rod 22 telescopically drives the tool changing gripper 23 to enter the cutter seat 111 to push the cutter 12 in the cutter seat 111 out to the position below the cutter seat 111 for cutter discharging, and the cutter 12 is rotationally locked; when tool changing is carried out, the tool changing hand grip 23 enters the tool seat 111 to rotationally pull the tool 12 into the tool seat 111, and the push-pull rod 22 rotates to the top of the corresponding tool seat 111 to push the corresponding tool 12 to be discharged and rotationally locked.

The cutter 12 is in sliding fit with the upper part of the cutter seat 111, and the cutter 12 is in threaded fit with the lower part of the cutter seat 111;

the push-pull rod 22 is a telescopic cylinder which can push the cutter 12 to be out of the cutter seat 111 and keep the thrust locked.

The cutter 12 is elastically connected in the cutter seat 111, so that the cutter 12 can conveniently reset to enter the cutter seat 111;

the two ends of the top of the cutter 12 are provided with sliding projections 121, sliding grooves 1110 are arranged in the cutter seat 111 corresponding to the sliding projections 121, the sliding projections 121 are in sliding fit in the sliding grooves 1110, and the tops of the sliding projections 121 are connected to the tops of the sliding grooves 1110 through return springs 1111.

An annular groove 210 is formed in the tool changing plate bin 21, a pulley 211 is matched on the arc-shaped groove 210, a fixing plate 212 is fixedly connected to the outer side of the pulley 211, a rotating motor 213 is connected to the fixing plate 212, the rotating motor 213 is connected with a push-pull rod 214, a gear ring 215 is fixedly connected to the inner side of the pulley 211, and a gear ring power mechanism is arranged in the tool changing plate bin 21;

the gear ring power mechanism comprises a driving gear 216 and a gear motor 217 for driving the driving gear 216 to rotate, and the driving gear 216 is in meshing transmission with the gear ring 215.

A tool changing method of a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles comprises the following specific steps:

the method comprises the following steps: the tool changing gripper 23 enters the tool seat 111 to rotationally pull the tool 12 into the tool seat 111;

step two: the push-pull rod 22 is rotated to the top of the corresponding tool seat 111;

step three: the push-pull rod 22 telescopically drives the tool changing gripper 23 to enter the tool seat 111 to push out a tool in the tool seat to the position below the tool seat 111 for tool discharging, and the tool is rotationally locked;

the working principle of the invention is as follows: the invention provides a tool changing structure of a high-speed four-axis numerical control machining center for aluminum profiles, which is ingenious in structural arrangement and reasonable in arrangement, and the tool changing head and the tool changing plate bin mechanism are skillfully designed, so that when tools are changed, a tool changing gripper enters a tool seat and rotationally pulls the tools into the tool seat; the push-pull rod rotates to the top of the corresponding cutter seat; the push-pull rod drives the tool changing gripper to enter the tool seat in a telescopic mode to push the tool in the tool seat out to the position below the tool seat for tool discharging, and the tool changing gripper is rotationally locked, so that tool changing of a machining center is greatly facilitated. The cutter is in sliding fit with the upper part of the cutter seat, the cutter is in threaded fit with the lower part of the cutter seat, and the cutter seat realize cutter changing sliding and locking; the cutter is further connected in the cutter seat through elasticity, so that the cutter can conveniently reset and enter the cutter seat. The tool changing plate bin is further provided with an annular groove, a pulley is matched on the arc-shaped groove, the outer side of the pulley is fixedly connected with a fixed plate, the fixed plate is connected with a rotating motor, the rotating motor is connected with a push-pull rod, and the inner side of the pulley is fixedly connected with a gear ring; the rotation of utilizing the ring gear drives the push-and-pull rod and rotates, realizes the rotational position and adjusts, utilizes the rotating electrical machines to drive the push-and-pull rod simultaneously and rotates, realizes screwing up, and the tool changing structure is succinct, and stability and reliability are high.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.