CN111055232A

CN111055232A - Mechanical clamping mechanism

Info

Publication number: CN111055232A
Application number: CN201911214505.7A
Authority: CN
Inventors: 龙晓斌; 王定戒; 龙晓明
Original assignee: Zhongshan Zhongke Intelligent Manufacturing Research Institute Co ltd
Current assignee: Zhongshan Zhongke Intelligent Manufacturing Research Institute Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-04-24

Abstract

The invention discloses a mechanical clamping mechanism, which comprises: the material clamping device comprises a base, a moving seat, a plurality of material clamping seats and a plurality of ejector rods, wherein the moving seat is arranged on the base, and the base is also provided with a material clamping driver capable of driving the moving seat to move up and down; all the material clamping seats are arranged at the lower part of the moving seat side by side along the direction, a material clamping groove is formed between every two adjacent material clamping seats, and an elastic piece capable of clamping a workpiece in the material clamping groove is arranged on each material clamping seat; the ejector rods are arranged on the moving seat, the lower end of each ejector rod faces one clamping groove and can eject a workpiece in the clamping groove downwards, and the moving seat is also provided with an ejection driver which can drive all the ejector rods to move up and down relative to the moving seat. The ejection drive is preferably a pneumatic cylinder. The invention has simple and reliable action, can grab a plurality of insulating shells at one time and push the insulating shells out at proper positions, ensures that all the insulating shells can be sleeved on a plurality of iron cores together, and is beneficial to improving the working efficiency.

Description

Mechanical clamping mechanism

Technical Field

The invention relates to a mechanical clamping mechanism capable of grabbing an insulation shell and installing the insulation shell on a stator core.

Background

The stator of the motor mainly comprises a plurality of stator cores, an insulating shell sleeved on the stator cores and coils wound on the stator cores, wherein the stator cores are sequentially arranged along a circumferential direction to form a circular ring-shaped structure. In the process of producing the motor stator, the iron core and the insulating shell need to be assembled together one by one, and in the prior art, a method of clamping the insulating shell one by using a pneumatic clamping jaw and sleeving the insulating shell on the iron core is generally adopted, so that the working efficiency is low, and the production cost is increased.

Disclosure of Invention

In view of this, the present invention provides a mechanical material clamping mechanism, which is simple and reliable in operation, and can grasp a plurality of insulation shells at one time and push out the insulation shells at proper positions, so that all the insulation shells can be sleeved on a plurality of iron cores together.

The technical scheme adopted by the invention for solving the technical problem is as follows:

a mechanical clamping mechanism, it includes:

a base;

the moving seat is arranged on the base, and a material clamping driver capable of driving the moving seat to move up and down relative to the base is arranged on the base;

the clamping seats are arranged at the lower part of the moving seat side by side along the left-right direction, a clamping groove into which a workpiece can be inserted is formed between the adjacent clamping seats, and an elastic piece capable of clamping the workpiece in the clamping groove is arranged on each clamping seat;

the lower end of each ejector rod faces one clamping groove and can eject a workpiece in the clamping groove downwards, and the moving seat is also provided with an ejection driver which can drive all the ejector rods to move up and down relative to the moving seat.

Preferably, the elastic member is a spring plate arranged on the side of the material clamping seat, two ends of the spring plate are both connected with the material clamping seat, a part between the two ends of the spring plate is a deformation part, and the deformation part is arc-shaped and bulges in a direction away from the material clamping seat connected with the deformation part.

Preferably, the side wall of the material clamping seat is provided with a longitudinal limiting groove, two ends of the deformation part are embedded in the limiting groove, and the middle part of the deformation part extends out of an opening of the limiting groove.

Preferably, the upper end surface of the material clamping seat is provided with a first clamping groove, the lower end surface of the material clamping seat is provided with a second clamping groove, the upper end part of the spring piece is clamped in the first clamping groove, and the lower end part of the spring piece is clamped in the second clamping groove.

Preferably, a motor base is arranged on the upper portion of the base, the material clamping driver comprises a motor arranged on the motor base, and the output end of the motor is connected with the movable base through a screw rod pair.

Preferably, the movable base is disposed on the base through a guide rail mechanism capable of guiding up and down.

Preferably, a cylinder seat is arranged at the upper part of the moving seat, the ejection driver comprises a cylinder arranged on the cylinder seat, the output end of the cylinder is connected with an ejector rod mounting plate, and all ejector rods are mounted at the bottom of the ejector rod mounting plate.

Preferably, the ejector rod mounting plate is arranged on the movable base through a guide rail mechanism capable of guiding up and down.

The invention has the beneficial effects that: the invention has simple and reliable action, can grab a plurality of insulating shells at one time and push the insulating shells out at proper positions, ensures that all the insulating shells can be sleeved on a plurality of iron cores together, and is beneficial to improving the working efficiency.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a front view of the present invention in the material loading position;

FIG. 3 is a cross-sectional view of portion A of FIG. 2;

FIG. 4 is a front view of the ejection state of the present invention;

fig. 5 is a sectional view of portion B of fig. 4;

FIG. 6 is an exploded view of the spring plate shown removed from the seat;

fig. 7 is a structural view of a row of insulation cases positioned above a row of stator cores;

fig. 8 is a structural view when the insulating case is fitted over the stator core.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1 to 6, an embodiment of the present invention provides a mechanical material clamping mechanism, including: the device comprises a base 1, a moving seat 2, a plurality of material clamping seats 31 and a plurality of ejector rods 41, wherein the moving seat 2 is arranged on the base 1, and a material clamping driver 20 capable of driving the moving seat 2 to move up and down relative to the base 1 is further arranged on the base 1; all the material clamping seats 31 are arranged at the lower part of the moving seat 2 side by side along the left-right direction, a material clamping groove 30 into which a workpiece can be inserted is formed between the adjacent material clamping seats 31, and an elastic piece capable of clamping the workpiece in the material clamping groove 30 is arranged on each material clamping seat 31; the ejector rods 41 are arranged on the movable base 2, the lower end of each ejector rod 41 is right opposite to one clamping groove 30 and can eject the workpiece in the clamping groove 30 downwards, and the movable base 2 is also provided with an ejection driver 40 which can drive all the ejector rods 41 to move up and down relative to the movable base 2 together. The ejector actuator 40 is preferably an air cylinder.

Referring to fig. 7 and 8, one purpose of the present invention is to pick up a plurality of insulation cases 7 placed in a row, then move the present invention above a row of stator cores 6 or a row of stator cores 6 below the present invention together with the picked-up insulation cases 7 under the driving of an external driving device, and finally push out all the insulation cases 7 together, so that the insulation cases 7 are sleeved on the stator cores 6 one by one.

The process of clamping the insulating shell 7 is as follows: firstly, a row of insulating shells 7 are conveyed to the lower part of the invention, the insulating shells 7 are positioned by other mechanisms, the positioned insulating shells 7 are positioned below the corresponding material clamping grooves 30, then the material clamping driver 20 works to drive the moving seat 2 to move downwards, so that the insulating shells 7 are inserted into the corresponding material clamping grooves, at the moment, the elastic parts are deformed to clamp the insulating shells 7, and then the material clamping driver 20 drives the moving seat 2 to move upwards, so that the work of clamping the insulating shells 7 is completed. The process of ejecting the insulating case 7 is: firstly, the clamping driver 20 drives the moving seat 2 and the ejector rod 41 on the moving seat 2 to move downwards for a certain distance, after the moving seat 2 reaches a preset position, the ejection driver 40 works to drive the ejector rod 41 to extend into the corresponding clamping groove 30, and the insulating shell 7 is ejected from the clamping groove 30 and sleeved on the corresponding stator core 6.

In a preferred embodiment of the present invention, the elastic member is a spring piece 32 disposed on a side portion of the holder 31, both ends of the spring piece 32 are connected to the holder 31, a portion between both ends of the spring piece 32 is a deformation portion 321, and the deformation portion 321 is arc-shaped and swells in a direction away from the holder 31 connected thereto. Each material clamping groove 30 is generally provided with two spring pieces 32, and the two spring pieces 32 are respectively arranged on material clamping seats 31 at two sides of the material clamping groove 30; of course, only one spring plate 32 may be provided, for example, the left side of the material clamping groove 30 has the spring plate 32, and the right side does not have the spring plate 32.

Referring to fig. 3 and 6, a longitudinal limiting groove 311 is formed in the sidewall of the material clamping seat 31, two ends of the deformation portion 321 are embedded in the limiting groove 311, and the middle of the deformation portion 321 extends out of an opening of the limiting groove 311. Such a structure can limit the spring piece 32, so that the spring piece 32 can only generate elastic deformation in the left and right directions, in addition, the maximum stroke of the spring piece 32 is limited, and the phenomenon that the spring piece 32 is failed due to the fact that a defective product with a large size excessively presses the spring piece 32 is avoided.

The upper end surface of the clamping base 31 is provided with a first clamping groove 312, the lower end surface of the clamping base 31 is provided with a second clamping groove 313, the upper end part of the spring piece 32 is clamped in the first clamping groove 312, and the lower end part of the spring piece 32 is clamped in the second clamping groove 313.

In some embodiments of the present invention, the elastic member may also adopt other structural forms, such as a curved plate instead of the deformation portion 321 of the spring plate 32, and a spring is connected between the curved plate and the holder 31; or directly using elastic gel instead of the spring plate 32.

Referring to fig. 1 and 2, in the embodiment, a motor base 11 is disposed on the upper portion of the base 1, the material clamping driver 20 includes a motor disposed on the motor base 11, and an output end of the motor is connected to the movable base 2 through a screw pair 5. The upper part of the moving seat 2 is provided with a cylinder seat 21, the ejection driver 40 comprises a cylinder arranged on the cylinder seat 21, the output end of the cylinder is connected with an ejector rod mounting plate 42, and all ejector rods 41 are mounted at the bottom of the ejector rod mounting plate 42.

In some embodiments of the present invention, the material clamping driver 20 may also be a cylinder, and the ejecting driver 40 may also be a motor.

Further, the movable seat 2 is arranged on the base 1 through a guide rail mechanism capable of guiding up and down; the jack mounting plate 42 is provided on the movable base 2 via a guide rail mechanism that can be guided vertically.

The above is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims

1. The utility model provides a machinery presss from both sides material mechanism which characterized in that, it includes:

a base (1);

the material clamping device comprises a moving seat (2) arranged on a base (1), wherein a material clamping driver (20) capable of driving the moving seat (2) to move up and down relative to the base (1) is arranged on the base (1);

the clamping device comprises a plurality of clamping seats (31), wherein all the clamping seats (31) are arranged at the lower part of the moving seat (2) side by side along the left-right direction, a clamping groove (30) into which a workpiece can be inserted is formed between every two adjacent clamping seats (31), and an elastic piece capable of clamping the workpiece in the clamping groove (30) is arranged on each clamping seat (31);

and the plurality of ejector rods (41) are arranged on the movable seat (2), the lower end of each ejector rod (41) is right opposite to one clamping groove (30) and can eject the workpiece in the clamping groove (30) downwards, and the movable seat (2) is also provided with an ejection driver (40) which can drive all the ejector rods (41) to move up and down relative to the movable seat (2) together.

2. The mechanical clamping mechanism as claimed in claim 1, wherein the elastic member is a spring plate (32) disposed at a side of the clamping seat (31), both ends of the spring plate (32) are connected to the clamping seat (31), a portion between both ends of the spring plate (32) is a deformation portion (321), and the deformation portion (321) is arc-shaped and bulges away from the clamping seat (31) connected thereto.

3. The mechanical clamping mechanism of claim 2, wherein a longitudinal limiting groove (311) is formed in a side wall of the clamping seat (31), two ends of the deformation part (321) are embedded in the limiting groove (311), and a middle part of the deformation part (321) extends out of an opening of the limiting groove (311).

4. The mechanical clamping mechanism as claimed in claim 2, wherein the upper end surface of the clamping base (31) is provided with a first clamping groove (312), the lower end surface of the clamping base (31) is provided with a second clamping groove (313), the upper end of the spring piece (32) is clamped in the first clamping groove (312), and the lower end of the spring piece (32) is clamped in the second clamping groove (313).

5. The mechanical clamping mechanism of claim 1, wherein a motor base (11) is disposed on the upper portion of the base (1), the clamping driver (20) includes a motor disposed on the motor base (11), and an output end of the motor is connected to the movable base (2) through a screw pair (5).

6. A mechanical clamping mechanism according to claim 1, characterized in that said movable seat (2) is arranged on said base (1) by means of a guide rail mechanism capable of guiding up and down.

7. The mechanical clamping mechanism as claimed in claim 1, wherein a cylinder block (21) is arranged at the upper part of the movable seat (2), the ejection driver (40) comprises a cylinder arranged on the cylinder block (21), the output end of the cylinder is connected with an ejector rod mounting plate (42), and all ejector rods (41) are mounted at the bottom of the ejector rod mounting plate (42).

8. A mechanical clamping mechanism according to claim 7, characterized in that the ejector pin mounting plate (42) is arranged on the movable base (2) through a guide rail mechanism capable of guiding up and down.