阅读说明：本技术 一种电动汽车减速机用电机外壳切割装置 (Motor shell cutting device for electric automobile speed reducer ) 是由 赵明伟 刘丽俊 张建华 徐硕 张琪 莫浩 于 2019-09-18 设计创作，主要内容包括：本发明涉及电机加工设备技术领域,具体公开了一种电动汽车减速机用电机外壳切割装置,包括切割刀和切割平台,所述切割平台上还设有对电机外壳进行定位固定的至少三个定位组件；所述定位组件包括转动设于所述切割平台上开设的条形槽内的支撑丝杆；所述定位组件还包括滑动设于所述条形槽内且通过螺纹连接方式套接在所述支撑丝杆上的支撑螺套,所述定位组件包括的定位柱固定安装在所述支撑螺套上；不同定位组件中所包括的定位柱的直径不同。本发明实施例不仅能够对不同轴孔尺寸的电机外壳进行定位,而且能够对电机外壳进行限位固定,进而保证切割精度,本发明实施例还方便对切割刀的更换维护,使用方便。(The invention relates to the technical field of motor processing equipment, and particularly discloses a motor shell cutting device for an electric automobile speed reducer, which comprises a cutting knife and a cutting platform, wherein the cutting platform is also provided with at least three positioning components for positioning and fixing a motor shell; the positioning assembly comprises a support screw rod which is rotatably arranged in a strip-shaped groove formed in the cutting platform; the positioning assembly further comprises a supporting threaded sleeve which is slidably arranged in the strip-shaped groove and is sleeved on the supporting screw rod in a threaded connection mode, and a positioning column which is included by the positioning assembly is fixedly arranged on the supporting threaded sleeve; the positioning columns included in different positioning assemblies have different diameters. The embodiment of the invention not only can position the motor shells with different shaft hole sizes, but also can limit and fix the motor shells so as to ensure the cutting precision.)

1. The cutting device for the motor shell of the electric automobile speed reducer is characterized by comprising a base (1), a cutting knife (13) and a hydraulic telescopic cylinder (2) for adjusting the height of the cutting knife (13) in the vertical direction, wherein the base (1) is further provided with a cutting platform (15) in a rotating mode, and the cutting platform (15) is further provided with at least three positioning assemblies for positioning and fixing a motor shell (24); the positioning assembly comprises a support screw rod (20) which is rotatably arranged in a strip-shaped groove (23) formed in the cutting platform (15);

the positioning assembly further comprises a supporting threaded sleeve (21) which is slidably arranged in the strip-shaped groove (23) and sleeved on the supporting screw rod (20) in a threaded connection mode, and a positioning column (22) which is arranged on the positioning assembly is fixedly arranged on the supporting threaded sleeve (21);

the positioning assembly also comprises an adjusting handle (19) fixedly arranged at the outer end of the supporting screw rod (20);

the positioning posts (22) included in different positioning assemblies have different diameters.

2. The motor housing cutting device for the electric automobile speed reducer according to claim 1, wherein a drive motor (16) for driving the cutting platform (15) to rotate is installed in the base (1).

3. The motor shell cutting device for the electric automobile speed reducer is characterized in that an annular supporting guide rail (17) is formed in the upper surface of the top plate of the base (1), and an annular supporting sliding block (18) in sliding fit with the annular supporting guide rail (17) is installed on the lower surface of the outer end of the cutting platform (15).

4. The motor shell cutting device for the electric automobile speed reducer according to any one of claims 1 to 3, wherein the cutting knife (13) is fixedly installed on a knife holder (9), an installation seat (14) is fixedly arranged on the top surface of the knife holder (9), and the installation seat (14) is detachably installed on the supporting beam (4);

the supporting beam (4) is fixedly arranged on one side of the supporting block (3), the supporting block (3) is fixedly arranged at the top end of a piston rod on the hydraulic telescopic cylinder (2), and the hydraulic telescopic cylinder (2) is fixedly arranged on the top surface of one end of the base (1).

5. The motor shell cutting device for the electric automobile speed reducer is characterized in that two fixing plates (5) are symmetrically arranged on the supporting cross beam (4), an adjusting screw rod (8) is rotatably arranged between the two fixing plates (5), and a positive and negative rotation servo motor (6) for driving the adjusting screw rod (8) to rotate is mounted on one of the fixing plates (5).

6. The motor shell cutting device for the electric automobile speed reducer is characterized in that outer rings of two ends of the adjusting screw rod (8) are provided with external threads which rotate differently, and adjusting thread sleeves (7) are sleeved at two ends of the adjusting screw rod (8) in a threaded connection mode; the two adjusting screw sleeves (7) are both fixedly provided with a pressure lever (10).

7. The motor housing cutting device for an electric vehicle speed reducer according to claim 6, wherein a locking piece (11) is provided on a clamping surface of the pressure lever (10).

8. The cutting device for the motor casing of the electric automobile speed reducer according to claim 7, characterized in that a locking groove (12) adapted to the locking block (11) is formed on an outer side surface of the mounting seat (14).

Technical Field

The invention relates to the technical field of motor processing equipment, in particular to a motor shell cutting device for an electric automobile speed reducer.

Background

The motor is important component part in the speed reducer, its shell part all is stretch forming when the motor is makeed at present, consequently, need cut its edge, the mode through the cutting obtains the shell of regular shape, current cutting equipment does not have location structure when using, consequently, shell offset appears easily in the use, and single location structure not only can't satisfy the location of the motor housing of different shaft hole sizes, and can't guarantee motor housing's stability, it is rotatory easily to take place, the shell that appears the cutting has the condition of certain error, this has just caused the influence to the installation of motor.

Disclosure of Invention

The invention aims to provide a motor shell cutting device for an electric automobile speed reducer, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a motor shell cutting device for an electric automobile speed reducer comprises a base, a cutting knife and a hydraulic telescopic cylinder, wherein the hydraulic telescopic cylinder is used for adjusting the height of the cutting knife in the vertical direction;

the positioning assembly comprises a support screw rod which is rotatably arranged in a strip-shaped groove formed in the cutting platform;

the positioning assembly further comprises a supporting threaded sleeve which is slidably arranged in the strip-shaped groove and is sleeved on the supporting screw rod in a threaded connection mode, and a positioning column which is included by the positioning assembly is fixedly arranged on the supporting threaded sleeve;

the positioning assembly further comprises an adjusting handle fixedly arranged at the outer end of the supporting screw rod;

the positioning columns included in different positioning assemblies have different diameters.

As a further scheme of the invention: and a driving motor for driving the cutting platform to rotate is arranged in the base.

As a further scheme of the invention: annular supporting guide has been seted up to the roof upper surface of base, cutting platform's outer end lower surface mounting with annular supporting guide looks sliding fit's annular supporting slide, under annular supporting guide and annular supporting slide's mutually supporting action, when utilizing driving motor drive cutting platform rotatory, can guarantee cutting platform's stability.

As a further scheme of the invention: the cutting knife is fixedly installed on the knife holder, an installation seat is fixedly arranged on the top surface of the knife holder, the installation seat is installed on a supporting beam in a dismounting mode, the supporting beam is fixedly installed on one side of a supporting block, the supporting block is fixedly installed at the top end of a piston rod on a hydraulic telescopic cylinder, and the hydraulic telescopic cylinder is fixedly installed on the top surface of one end of the base.

As a further scheme of the invention: two fixing plates are symmetrically arranged on the supporting cross beam, an adjusting screw rod is rotatably arranged between the two fixing plates, and a positive and negative rotation servo motor used for driving the adjusting screw rod to rotate is arranged on one fixing plate.

As a further scheme of the invention: the outer rings of the two ends of the adjusting screw rod are provided with external threads with different rotations, and the two ends of the adjusting screw rod are sleeved with adjusting thread sleeves in a threaded connection mode;

the two adjusting screw sleeves are fixedly provided with pressure rods.

As a further scheme of the invention: in order to ensure the stability of the clamping of the pressure lever on the mounting seat, a locking block is arranged on the clamping surface of the pressure lever.

As a further scheme of the invention: the outside surface of mount pad seted up with the locking groove of locking piece looks adaptation, when two depression bars are close to each other to locking piece embedding locking inslot, can carry out reliable and stable clamp to the mount pad and fix.

Compared with the prior art, in the motor shell cutting device for the electric automobile speed reducer, which is provided by the embodiment of the invention, the positioning columns included in different positioning assemblies have different diameters, so that the positioning requirements of shaft holes of motor shells with different sizes are met, therefore, after the positioning column of one positioning assembly is selected to position the shaft hole of the motor shell when the device is used, the cutting platform rotates to the position under the motor shell and is positioned under the mounting seat, the positions of the positioning columns of the other two positioning assemblies are continuously adjusted, and the side edges of the motor shell are pressed and fixed by the other two positioning columns, so that the stability of the motor shell can be effectively ensured, and the motor shell is prevented from laterally moving when a cutting knife moves downwards to cut the motor shell, and the cutting precision is further ensured;

according to the embodiment of the invention, the positive and negative rotation servo motor is used for driving the adjusting screw rod to rotate, the two adjusting threaded sleeves can be mutually close according to the rotating direction of the adjusting screw rod, so that the two pressure rods are driven to clamp and fix the mounting seat, and when the two pressure rods are mutually close to each other and the locking block is embedded into the locking groove, the mounting seat can be stably and reliably clamped and fixed, so that the cutting knife can be conveniently replaced and maintained, and the use is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of a motor housing cutting device for an electric vehicle speed reducer according to an embodiment of the invention.

Fig. 2 is a top view of a cutting platform in the motor housing cutting device for the electric automobile speed reducer according to the embodiment of the invention.

Fig. 3 is a plan view of a cutting platform in a state of use in the motor housing cutting device for an electric vehicle speed reducer according to the embodiment of the present invention.

Fig. 4 is a perspective view of a cutting platform in the motor housing cutting device for an electric vehicle speed reducer according to the embodiment of the invention.

In the figure: 1-base, 2-hydraulic telescopic cylinder, 3-supporting block, 4-supporting beam, 5-fixing plate, 6-positive and negative rotation servo motor, 7-adjusting screw sleeve, 8-adjusting screw rod, 9-tool apron, 10-compression bar, 11-locking block, 12-locking groove, 13-cutting knife, 14-mounting seat, 15-cutting platform, 16-driving motor, 17-annular supporting guide rail, 18-annular supporting slide block, 19-adjusting handle, 20-supporting screw rod, 21-supporting screw sleeve, 22-positioning column, 23-strip-shaped groove and 24-motor shell.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, 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.

As shown in fig. 1 to 4, in an embodiment of the present invention, a motor housing cutting device for an electric vehicle speed reducer includes a base 1, a cutting knife 13, and a hydraulic telescopic cylinder 2 for adjusting a height of the cutting knife 13 in a vertical direction, wherein the base 1 is further provided with a cutting platform 15, and the cutting platform 15 is further provided with at least three positioning assemblies for positioning and fixing a motor housing 24;

specifically, the positioning assembly comprises a support screw rod 20 which is rotatably arranged in a strip-shaped groove 23 formed in the cutting platform 15, the positioning assembly further comprises a support threaded sleeve 21 which is slidably arranged in the strip-shaped groove 23 and is sleeved on the support screw rod 20 in a threaded connection manner, and a positioning column 22 of the positioning assembly is fixedly arranged on the support threaded sleeve 21; in the positioning assembly provided by the embodiment of the invention, the adjusting handle 19 is operated to drive the supporting screw rod 20 to rotate so as to adjust the position of the supporting threaded sleeve 21 in the strip-shaped groove 23 and further adjust the position of the positioning column 22 on the cutting platform 15;

specifically, in the embodiment provided by the present invention, the diameters of the positioning pillars 22 included in different positioning assemblies are different, so as to meet the positioning requirements of the shaft holes of the motor housings 24 with different sizes, and meanwhile, as shown in fig. 3, after the positioning pillar 22 of one of the positioning assemblies is selected to position the shaft hole of the motor housing 24 in use, the cutting platform 15 is rotated until the motor housing 24 is located right below the mounting seat 14, the positions of the positioning pillars 22 of the other two positioning assemblies are continuously adjusted, and the side edges of the motor housing 24 are pressed and fixed by using the other two positioning pillars 22, so that the stability of the motor housing 24 can be effectively ensured, and the motor housing 24 is prevented from moving laterally when the cutting knife 13 moves downward to cut the motor housing 24, thereby ensuring the cutting accuracy.

Further, with continuing reference to fig. 1, in the embodiment of the present invention, a driving motor 16 for driving the cutting platform 15 to rotate is installed in the base 1; annular supporting guide rail 17 has been seted up to the roof upper surface of base 1, cutting platform 15's outer end lower surface mounting have with annular supporting guide rail 17 looks sliding fit's annular supporting slide 18, under annular supporting guide rail 17 and annular supporting slide 18's mutually supporting effect, when utilizing driving motor 16 drive cutting platform 15 rotatory, can guarantee cutting platform 15's stability.

Referring to fig. 1, in another embodiment of the present invention, the cutting blade 13 is fixedly installed on the blade holder 9, the top surface of the blade holder 9 is fixedly provided with an installation seat 14, the installation seat 14 is detachably installed on the supporting beam 4, the supporting beam 4 is fixedly installed at one side of the supporting block 3, the supporting block 3 is fixedly installed at the top end of the piston rod on the hydraulic telescopic cylinder 2, and the hydraulic telescopic cylinder 2 is fixedly installed at the top surface of one end of the base 1.

Specifically, in the embodiment provided by the invention, two fixing plates 5 are symmetrically arranged on the supporting beam 4, an adjusting screw 8 is rotatably arranged between the two fixing plates 5, and a positive and negative rotation servo motor 6 for driving the adjusting screw 8 to rotate is arranged on one of the fixing plates 5; furthermore, outer rings at two ends of the adjusting screw rod 8 are provided with external threads with different rotations, and adjusting thread sleeves 7 are sleeved at two ends of the adjusting screw rod 8 in a threaded connection mode;

furthermore, in the embodiment of the present invention, the two adjusting screw sleeves 7 are fixedly provided with the pressing rods 10, the positive and negative rotation servo motor 6 is used to drive the adjusting screw rod 8 to rotate, according to the rotation direction of the adjusting screw rod 8, the two adjusting screw sleeves 7 can be close to each other, and further the two pressing rods 10 are driven to clamp and fix the mounting seat 14, otherwise, the pressing rods 10 can be loosened from the mounting seat 14;

in order to ensure the stability of the pressure lever 10 clamping the installation seat 14, the clamping surface of the pressure lever 10 is provided with a locking block 11, the outer side surface of the installation seat 14 is provided with a locking groove 12 matched with the locking block 11, and in the embodiment of the invention, when two pressure levers 10 are close to each other until the locking block 11 is embedded into the locking groove 12, the installation seat 14 can be stably and reliably clamped and fixed.

In summary, in the motor housing cutting device for the electric automobile speed reducer provided by the embodiment of the present invention, because the diameters of the positioning columns 22 included in different positioning assemblies are different, so as to meet the positioning requirements of shaft holes of the motor housings 24 with different sizes, after the positioning column 22 of one of the positioning assemblies is selected to position the shaft hole of the motor housing 24 in use, the cutting platform 15 is rotated to a position right below the mounting seat 14 of the motor housing 24, the positions of the positioning columns 22 of the other two positioning assemblies are continuously adjusted, and the other two positioning columns 22 are used to compress and fix the side edge of the motor housing 24, so that the stability of the motor housing 24 can be effectively ensured, and the motor housing 24 is prevented from lateral shifting when the cutting knife 13 moves downwards to cut the motor housing 24, thereby ensuring the cutting accuracy;

according to the embodiment of the invention, the adjusting screw rod 8 is driven to rotate by the positive and negative rotation servo motor 6, the two adjusting threaded sleeves 7 can be close to each other according to the rotating direction of the adjusting screw rod 8, so that the two pressure rods 10 are driven to clamp and fix the mounting seat 14, and when the two pressure rods 10 are close to each other until the locking block 11 is embedded into the locking groove 12, the mounting seat 14 can be stably and reliably clamped and fixed, so that the cutting knife 13 can be conveniently replaced and maintained, and the use is convenient.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.