阅读说明：本技术 一种单动力对中夹紧装置 (Single-power centering clamping device ) 是由 陈文杰 于 2018-06-14 设计创作，主要内容包括：本发明涉及一种单动力对中夹紧装置,用于夹紧搬运转子和磁钢组件,该装置包括夹具基座、磁钢导向板、硅钢导向板、垫圈、轴环、上盖板、驱动板、凸轮板、手柄、台阶销、第一轴承、硅钢夹紧头、滑块、磁钢夹紧头、夹爪、内螺纹销。与现有技术相比,本发明具有经济高效和安全可靠等优点。(The invention relates to a single-power centering and clamping device which is used for clamping and carrying a rotor and a magnetic steel assembly. Compared with the prior art, the invention has the advantages of economy, high efficiency, safety, reliability and the like.)

1. A single-power centering and clamping device is used for clamping and carrying a rotor and a magnetic steel assembly and is characterized by comprising a clamp base (1), a magnetic steel guide plate (2), a silicon steel guide plate (3), a gasket (4), a shaft collar (5), an upper cover plate (6), a driving plate (7), a cam plate (8), a handle (9), a step pin (16), a first bearing (17), a silicon steel clamping head (19), a sliding block (20), a magnetic steel clamping head (21), a clamping jaw (22) and an internal thread pin (23);

the clamping base (1) is sequentially connected with a magnetic steel guide plate (2), a silicon steel guide plate (3), a gasket (4), a shaft collar (5) and an upper cover plate (6) through an internal thread pin (23), so that a clamp body is formed;

the magnetic steel clamping device is characterized in that the handle (9) drives the driving plate (7) to rotate, a step pin (16) on the driving plate (7) penetrates through an arc-shaped groove on the silicon steel guide plate (3), the step pin (16) and the first bearing (17) drive the clamping jaw (22) to move by pushing the arc-shaped groove on the clamping jaw (22), and therefore a magnetic steel clamping head (21) on the clamping jaw (22) is pushed to clamp a magnetic steel assembly, and a magnetic steel clamping unit is formed;

the handle (9) drives the cam plate (8) to rotate, the arc-shaped groove on the cam plate (8) drives the sliding block (20) to move, so that a silicon steel sheet clamping head (19) on the sliding block (20) is pushed to clamp a silicon steel sheet unit in the rotor assembly, and a rotor clamping unit is formed.

2. A single power centering and clamping device as claimed in claim 1, wherein the number of stepped pins (16) on said drive plate (7) is 8 groups.

3. A single power centering and clamping device as claimed in claim 1, wherein said clamp base (1) is made of temperature resistant steel.

4. A single power centering and clamping device as claimed in claim 1, wherein said device further comprises a tension spring (10) connected to the handle (9), said handle (9) providing a clamping direction tension through said tension spring (10): when the material is taken, the clamping jaw (22) is unlocked by gripping the driving handle (9); when the handle (9) clamps the product, the product is continuously locked by the handle through the tension spring force.

5. A single power centering and clamping device as claimed in claim 1, wherein said clamping jaw (22) and said cam plate (8) are provided with bearings in the circular arc grooves.

6. The single-power centering and clamping device as claimed in claim 1, wherein said arc-shaped slots of the same plate are congruent arc-shaped slots, and said arc-shaped slots are arc-shaped slots which adopt a structure formed by a fast-forward stroke and a pressure stroke.

7. A single power centering and clamping device as claimed in claim 1, wherein said silicon steel clamping head (19) and said magnetic steel clamping head (21) are removable and replaceable clamping heads.

8. A single power centering and clamping device as claimed in claim 1, wherein said silicon steel clamping head (19) and said magnetic steel clamping head (21) are made of high temperature resistant soft material.

9. A single power centering and clamping device as claimed in claim 1, wherein said drive plate (7) is nested within said washer (4), said drive plate (7) being rotationally movable about a central axis.

10. A single power centering and clamping device as claimed in claim 9, wherein said cam plate (8) is nested in said drive plate (7), said cam plate (8), said drive plate (7) and said washer (4) being at the same level.

Technical Field

The invention relates to the field of motor manufacturing, in particular to a single-power centering and clamping device.

Background

With the rapid development of new energy automobiles, the automobile motor industry has emerged, and the permanent magnet motor occupies an important proportion therein, wherein the rotor segmented skewed pole structure becomes a new favorite of various large motor manufacturers due to the excellent vibration noise suppression capability thereof.

The rotor segmentation oblique polar structure has decided that rotor core piles up and can not come the circumference location through the locating pin of wind hole or the V type tooth's socket in the outside, makes it must first individual layer iron core and magnet steel heating back, and then decide the angle and pile up, fixes magnet steel and iron core through moulding plastics at last.

Therefore, I have designed a single power centering clamping mechanism, and it can be with multilayer iron core and magnet steel after heating simultaneously, again according to layer separation iron core and magnet steel, realize that the transport is piled up. Therefore, the time beat of heating of the iron core of the production line can be greatly reduced, and the production efficiency is improved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a single-power centering and clamping device.

The purpose of the invention can be realized by the following technical scheme:

a single-power centering and clamping device is used for clamping and carrying a rotor and a magnetic steel assembly and comprises a clamp base, a magnetic steel guide plate, a silicon steel guide plate, a gasket, a shaft collar, an upper cover plate, a driving plate, a cam plate, a handle, a step pin, a first bearing, a silicon steel clamping head, a sliding block, a magnetic steel clamping head, a clamping jaw and an internal thread pin;

the clamping base is sequentially connected with the magnetic steel guide plate, the silicon steel guide plate, the gasket, the shaft collar and the upper cover plate through the internal thread pin, so that the clamp body is formed;

the handle drives the driving plate to rotate, the step pin on the driving plate penetrates through the arc-shaped groove on the silicon steel guide plate, and the step pin and the first bearing drive the clamping jaw to move by pushing the arc-shaped groove on the clamping jaw, so that the magnetic steel clamping head on the clamping jaw is pushed to clamp the magnetic steel assembly, and a magnetic steel clamping unit is formed;

the handle drives the cam plate to rotate, the arc-shaped groove on the cam plate drives the sliding block to move, and therefore the silicon steel sheet clamping head on the sliding block is pushed to clamp a silicon steel sheet unit in the rotor assembly, and a rotor clamping unit is formed.

Preferably, the number of the step pins on the driving plate is 8 groups.

Preferably, the fixture base is made of temperature-resistant steel, so that failures such as annealing and the like can be avoided when the heated rotor component is carried.

Preferably, the device further comprises a tension spring connected with the handle, and the handle provides tension in one clamping direction through the tension spring: when the material is taken, the clamping jaw is unlocked by gripping the driving handle; when the handle clamps the product, the handle continuously locks the product through the tension spring force.

Preferably, the arc grooves of the clamping jaw and the cam plate are respectively provided with a bearing, and when the power form is changed from rotation to movement, the bearings are uniformly arranged in the cam grooves, so that the resistance can be reduced, and the force conversion efficiency can be improved.

Preferably, the arc-shaped grooves in the same plate are congruent arc-shaped grooves, so that centering and clamping of the clamping units can be guaranteed, the arc-shaped grooves are arc-shaped grooves which are formed by adopting a fast feeding stroke and a large pressure stroke and are structurally formed, and the final clamping force can be guaranteed while fast feeding is realized.

Preferably, the silicon steel clamping head and the magnetic steel clamping head are detachable and replaceable clamping heads.

Preferably, the silicon steel clamping head and the magnetic steel clamping head are clamping heads made of high-temperature-resistant soft materials.

Preferably, the drive plate is nested in the washer, and the drive plate rotates about the central axis.

Preferably, the cam plate is sleeved in the driving plate, and the cam plate, the driving plate and the gasket are positioned at the same height layer.

In the magnetic steel clamping unit, the arc-shaped groove is arranged on the executed clamping jaw, so that the distance between a stress point and the guide rail can be reduced, and the bending moment of the harmful component force of the pressure angle of the cam on the sliding groove is eliminated.

Compared with the prior art, the invention has the following advantages:

1. economic and efficient: due to the special carrying mode of the invention and the improved rotor manufacturing process, the beat of the production line is greatly improved, and the invention plays an important role in reducing the production cost of products.

2. Safe and reliable: all the components in the invention are made of high-temperature resistant materials, so that the stability of the mechanism can be ensured. In addition, the structure of the invention can lead an operator to be far away from high temperature, thereby avoiding scalding.

3. The process control is good: in the clamping process, the elastic silica gel chuck is used for centering and clamping the product, so that the clamping precision and stability of the product can be ensured

4. The overhaul is convenient: after clamping failure, the invention is convenient for mechanism maintenance, and a single module can be disassembled and can be clearly embodied on a layout.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a partial schematic view of the clamping portion of the present invention;

fig. 5 is a schematic view of the clamping object rotor and the magnetic steel of the present invention.

Wherein 1 is the anchor clamps base, 2 is the magnet steel deflector, 3 is the silicon steel deflector, 4 is the packing ring, 5 is the collar, 6 is the upper cover plate, 7 is the drive plate, 8 is the cam plate, 9 is the handle, 10 is the extension spring, 11 is the pillar, 12 is the cylindric lock, 13 is first mounting hole, 14 is the second mounting hole, 15 is the diamond pin, 16 is the step round pin, 17 is first bearing, 18 is the second bearing, 19 is silicon steel clamp head, 20 is the slider, 21 is magnet steel clamp head, 22 is the clamping jaw, 23 is the internal thread round pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be made clear and fully described below, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

As shown in fig. 1 to 5, a single-power centering and clamping device is used for clamping and carrying a rotor and a magnetic steel assembly, and comprises a clamp base 1, a magnetic steel guide plate 2, a silicon steel guide plate 3, a gasket 4, a collar 5, an upper cover plate 6, a drive plate 7, a cam plate 8, a handle 9, a tension spring 10, a support column 11, a cylindrical pin 12, a diamond-shaped pin 15, a step pin 16, a first bearing 17, a second bearing 18, a silicon steel clamping head 19, a slider 20, a magnetic steel clamping head 21, a clamping jaw 22 and an internal thread pin 23, wherein the clamp base 1 penetrates through the magnetic steel guide plate 2 and the silicon steel guide plate 3 through the internal thread pin 23 and is connected with the gasket 4, the collar 5 and the upper cover plate 6; the handle 9 drives the driving plate 7 to rotate, the step pin 16 on the driving plate 7 penetrates through the arc-shaped groove on the silicon steel guide plate 3, and the step pin 16 and the first bearing 17 drive the clamping jaw 22 to move by pushing the arc-shaped groove on the clamping jaw 22, so that the magnetic steel clamping head 21 on the clamping jaw 22 is pushed to clamp the magnetic steel assembly; the handle 9 drives the cam plate 8 to rotate, the arc-shaped groove on the cam plate 8 drives the sliding block 20 to move, so that the silicon steel sheet clamping head 19 on the sliding block 20 is pushed to clamp a silicon steel sheet unit in the rotor assembly, and the arc-shaped grooves in the same plate are congruent arc-shaped grooves.

The number of the step pins 16 on the driving plate 7 is 8 groups.

The fixture base 1 is a base made of temperature-resistant steel, and can avoid failure such as annealing when a heated rotor component is carried.

The driving handle 9 provides a tension force in a clamping direction through a tension spring 10: when the materials are taken, the unlocking clamping jaw 22 is held and closed by the driving handle and the fixed handle of the upper cover plate; when the product is clamped, the driving handle 9 continuously locks the product through the tension spring force.

The arc grooves of the clamping jaw 22 and the cam plate 8 are provided with bearings, and when the power form is changed from rotation to movement, the bearings are uniformly arranged in the cam grooves, so that the resistance can be reduced, and the force conversion efficiency can be improved.

The arc-shaped groove is formed by adopting a fast-forward stroke and a large guide stroke, and the pressure stroke is small, so that the arc-shaped groove is of a structure.

The silicon steel clamping head 19 and the magnetic steel clamping head 21 are detachable and replaceable clamping heads. The silicon steel clamping head 19 and the magnetic steel clamping head 21 are made of high-temperature resistant soft materials.

The driving plate 7 is sleeved in the gasket 4, and the driving plate 7 rotates around a central shaft.

The cam plate 8 is sleeved in the driving plate 7, and the cam plate 8, the driving plate 7 and the gasket 4 are positioned at the same height layer. The magnetic steel clamping unit and the arc-shaped groove are arranged on the executed clamping jaw, so that the distance between a stress point and the guide rail can be reduced, and the bending moment of the harmful component force of the pressure angle of the cam on the sliding groove is eliminated.

According to the invention, the handle 9 is driven by single power to drive the driving plate 7, the step pin 16 and the first bearing 17 to rotate, so that the clamping jaw 22 moves in a centering way in the magnetic steel guide plate 2 and is quickly reset outwards; meanwhile, the handle 9 is driven by single power to drive the cam plate 8 to rotate, so that the sliding block 20 is driven by the second bearing 18 above and moves in the silicon steel guide plate 3 in a centering way to be rapidly reset outwards; after the mechanism is sleeved in the rotor and the magnetic steel assembly, the handle 9 is released, the clamping jaw 22 pushes the magnetic steel clamping head 21 and the sliding block 20 pushes the silicon steel clamping head 19 under the action of the tension spring 10 of the handle 9, and the magnetic steel and the rotor assembly are respectively clamped in a centering way.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.