CN213135738U - Press mounting device - Google Patents

Abstract

The utility model belongs to the technical field of the production of motor is made, a pressure equipment device is disclosed. This pressure equipment device includes: the lower positioning block is arranged in the lower fixing seat in a sliding manner, and the top surface of the lower positioning block is used for bearing the punching sheet; the protective sleeve is arranged in the lower positioning block and used for the motor shaft to penetrate; one end of the supporting shaft is connected in the lower fixing seat, and the other end of the supporting shaft penetrates through the protective sleeve and abuts against the bottom of the motor shaft; the pressure head is positioned above the lower fixed seat; the output end of the driving mechanism is connected to the pressure head, and the driving mechanism can drive the pressure head to move towards the direction close to the lower fixing seat and abut against the stamped sheet, so that the motor shaft penetrates through the center of the stamped sheet. This pressure equipment device penetrates at the motor shaft and towards the in-process of piece, and the motor shaft receives the protective sheath protection all the time to avoid the motor shaft to penetrate towards the crooked condition of piece in-process appearance. Simultaneously, the supporting shaft plays a role in supporting the motor shaft, and the possibility of bending the motor shaft is reduced.

Description

Press mounting device

Technical Field

The utility model relates to a technical field is made in the production of motor, especially relates to a pressure equipment device.

Background

In the production and manufacturing process of the motor, the motor shaft needs to be penetrated and punched by the press-fitting device to form an iron core structure.

In the existing press fitting device, a punching sheet is positioned in a lower positioning die, a motor shaft is arranged in an upper positioning die, a frame is provided with a cylinder, and the motor shaft penetrates into a central hole of the punching sheet by pressing down through the cylinder. When the diameter of the motor shaft is less than or equal to 1.5mm and the length-diameter ratio is greater than 20, the motor shaft is easy to deform and bend by adopting the mode, the reject ratio is greater than 5 percent, the reject ratio is high, the product quantity is influenced, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure equipment device reduces the bending of motor shaft, improves the finished product qualification rate.

To achieve the purpose, the utility model adopts the following technical proposal:

a press-fitting device comprising:

the punching piece bearing device comprises a lower fixing seat and a lower positioning block, wherein the lower positioning block is arranged in the lower fixing seat in a sliding manner, and the top surface of the lower positioning block is used for bearing a punching piece;

the protective sleeve is arranged in the lower positioning block and used for the motor shaft to penetrate through;

one end of the supporting shaft is connected into the lower fixing seat, and the other end of the supporting shaft penetrates through the protective sleeve and abuts against the bottom of the motor shaft;

the pressure head is positioned above the lower fixing seat;

the output end of the driving mechanism is connected to the pressure head, the driving mechanism can drive the pressure head to move towards the direction close to the lower fixing seat and abut against the stamped sheet, and the motor shaft penetrates through the center of the stamped sheet.

Preferably, the press-fitting device further comprises a mounting seat, the mounting seat is arranged in the lower fixing seat and located below the lower positioning block, and the mounting seat is provided with the supporting shaft.

Preferably, the press-fitting device further comprises a protection assembly, the protection assembly is arranged in the lower fixing seat and located between the lower positioning block and the mounting seat, and the protection assembly is used for protecting the supporting shaft.

Preferably, the protection assembly comprises:

the first protective ring is arranged in the lower fixed seat in a sliding manner;

and the second protection ring is arranged in the lower fixed seat in a sliding manner and is parallel to the first protection ring, and the support shaft penetrates through the first protection ring and the second protection ring.

Preferably, the press-fitting device further comprises a guide rod, the guide rod is arranged on the mounting seat, and the guide rod penetrates through the first protection ring, the second protection ring and the lower positioning block and is in sliding fit with the first protection ring, the second protection ring and the lower positioning block.

Preferably, the press-fitting device further includes:

the first reset piece is sleeved on the guide rod and positioned between the first protection ring and the second protection ring;

and the second resetting piece is sleeved on the guide rod and is positioned between the second protection ring and the mounting seat.

Preferably, the punching piece conveying device further comprises a conveying mechanism, and the conveying mechanism can bear the punching piece and convey the punching piece to the lower positioning block.

Preferably, the conveying mechanism comprises a feeding plate and a push plate, the push plate is arranged on the feeding plate in a sliding mode, a containing groove is formed in the push plate, and the containing groove is used for containing the punching sheet.

Preferably, the conveying mechanism further includes:

the material rod is vertically arranged relative to a horizontal plane and penetrates through the punching sheets, and the punching sheets are overlapped and are in sliding fit with the material rod;

the blanking bin is located the bottom of material pole with between the holding tank and can be just to setting up rather than respectively, the blanking bin is used for bearing towards the piece and lead it.

Preferably, the feeding plate is provided with a sliding groove, and the pushing plate is in sliding fit with the sliding groove.

The utility model has the advantages that:

the utility model provides a pressure equipment device places the motor shaft in the protective sheath after, and the top surface of motor shaft is less than the top surface of locating piece down slightly, has the certain distance promptly between the top surface of motor shaft and the bottom surface towards the piece. And under the pressing action of a driving pressure head of a pressing driving source, the motor shaft penetrates through the central hole of the punching sheet. The motor shaft penetrates into the in-process of punching the piece, and the protective sheath receives the protective sheath protection all the time when having played the motor shaft guide effect to avoid the motor shaft to penetrate and to punch the crooked condition of piece in-process appearance. Meanwhile, one end of the supporting shaft is connected into the lower fixing seat, the other end of the supporting shaft penetrates through the protective sleeve and abuts against the bottom of the motor shaft, the supporting shaft plays a role in supporting the motor shaft, and the possibility of bending of the motor shaft is reduced, so that the qualified rate of finished products is improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural view of the press-fitting device of the present invention;

fig. 2 is a schematic structural view of a press-fitting mechanism in the press-fitting device of the present invention;

fig. 3 is a partial enlarged view of fig. 2 at a.

In the figure:

100. a motor shaft; 200. punching;

1. a drive mechanism; 2. a conveying mechanism; 3. a press-fitting mechanism; 4. a frame;

11. a pressing drive source; 12. a controller; 13. an electromagnetic valve; 14. an air filter;

21. a feeding plate; 22. pushing the plate; 23. a material rod; 24. a blanking bin;

31. a lower fixed seat; 32. a lower positioning block; 33. a protective sleeve; 34. a support shaft; 35. a pressure head; 36. a mounting seat; 37. a protection component; 38. a guide bar; 39. a first reset member; 40. a second reset member;

371. a first guard ring; 372. a second guard ring.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment provides a press-fitting device, which is suitable for the production and manufacturing process of a motor, in particular to a motor shaft 100 penetrating through a punching sheet 200 to form an iron core finished product. As shown in fig. 1, the press-fitting device includes: the frame 4 and all set up actuating mechanism 1, conveying mechanism 2 and pressure equipment mechanism 3 on frame 4, frame 4 has played the effect that whole supported. After an operator puts the motor shaft 100 into the press-fitting mechanism 3, the conveying mechanism 2 bears the stamped steel 200 and conveys the stamped steel to the press-fitting mechanism 3, and then the driving mechanism 1 starts to work, so that the motor shaft 100 penetrates into a central hole of the stamped steel 200, the driving mechanism 1 resets, and an iron core finished product is taken out.

The driving mechanism 1 includes a pressing driving source 11, a controller 12, an electromagnetic valve 13 and an air filter 14, the pressing driving source 11 is disposed on the frame 4, the pressing driving source 11 is specifically a pressing cylinder, the electromagnetic valve 13 is used for controlling an air inflow into the pressing cylinder, and the air filter 14 is used for filtering air introduced into the pressing cylinder. The controller 12 is electrically connected to the pressing drive source 11, the electromagnetic valve 13, and the air filter 14, and the controller 12 is controlled by a PLC, which provides a high degree of automation.

Further, conveying mechanism 2 includes feed table 21 and push pedal 22, and feed table 21 is fixed to be set up in frame 4, and the slip is provided with push pedal 22 on feed table 21, optionally, is provided with the spout on feed table 21, and push pedal 22 and spout sliding fit have played the guide effect to push pedal 22 through setting up the spout, have improved the smooth and easy nature of push pedal 22 removal in-process.

An accommodating groove is formed in the push plate 22 and is used for accommodating the punching sheet 200. It is understood that the pushing plate 22 can be driven manually or by an ejection cylinder, and the driving manner of the pushing plate 22 is not limited in this embodiment. After the punching sheet 200 is placed in the accommodating groove, the push plate 22 is driven to move relative to the feeding plate 21 in a direction close to the lower positioning block 32, so that the punching sheet 200 is conveyed to the lower positioning block 32.

In order to facilitate that the punching sheets 200 can continuously enter the accommodating groove in a certain sequence, the conveying mechanism 2 further comprises a material rod 23 and a blanking bin 24, the material rod 23 is fixedly arranged on the rack 4 and vertically arranged relative to a horizontal plane and penetrates through the punching sheets 200, a central hole of each punching sheet 200 can be arranged on the material rod 23 in a penetrating manner, and the punching sheets 200 are stacked and are in sliding fit with the material rod 23. Blanking storehouse 24 all fixes and sets up in frame 4, and blanking storehouse 24 is located between the bottom of material pole 23 and the holding tank and can be just to setting up rather than respectively, and blanking storehouse 24 is used for bearing towards piece 200 and leads to it.

Under the action of gravity, a plurality of stacked punching sheets 200 can slide to the blanking bin 24 along the material rod 23, the blanking bin 24 is used for receiving the punching sheets 200, the punching sheets 200 enter the accommodating groove of the push plate 22 through the blanking bin 24, the blanking bin 24 limits the falling direction of the punching sheets 200, the guiding effect is achieved, the single punching sheet 200 can accurately fall into the accommodating groove, and the conveying accuracy is guaranteed.

Further, as shown in fig. 2-3, the press-fitting mechanism 3 includes a lower fixing seat 31, a lower positioning block 32, a protecting sleeve 33, a supporting shaft 34 and a pressing head 35, the lower fixing seat 31 is disposed on the frame 4, the lower positioning block 32 is slidably disposed inside the lower fixing seat 31, and a top surface of the lower positioning block 32 is used for receiving the punching sheet 200 conveyed from the conveying mechanism 2. A protective sleeve 33 is arranged in the lower positioning block 32, the protective sleeve 33 is preferably made of alloy material, and the protective sleeve 33 is used for the penetration of the motor shaft 100 and plays a role in protecting the motor shaft 100. The support shaft 34 can also be called as a mandrel, one end of the support shaft 34 is connected in the lower fixing seat 31, the other end of the support shaft is inserted into the protective sleeve 33 and abuts against the bottom of the motor shaft 100, and the support shaft 34 plays a role in supporting the motor shaft 100. A pressing head 35 is disposed above the lower fixing seat 31, the pressing head 35 is preferably of an elongated cylindrical structure, an output end of the pressing drive source 11 is connected to the pressing head 35, and the pressing drive source 11 can drive the pressing head 35 to move towards the lower fixing seat 31 and abut against the punching sheet 200, so that the motor shaft 100 passes through the center of the punching sheet 200.

In the press-fitting device provided in this embodiment, after the motor shaft 100 is placed in the protective sleeve 33, the top surface of the motor shaft 100 is slightly lower than the top surface of the lower positioning block 32, that is, a certain distance exists between the top surface of the motor shaft 100 and the bottom surface of the punching sheet 200. The motor shaft 100 is inserted into the central hole of the punching sheet 200 by the pressing action of the driving ram 35 of the pressing driving source 11. In the process that the motor shaft 100 penetrates into the punching sheet 200, the protective sleeve 33 plays a role in guiding the motor shaft 100, and the motor shaft 100 is always protected by the protective sleeve 33, so that the condition that the motor shaft 100 is bent in the process of penetrating into the punching sheet 200 is avoided. Meanwhile, one end of the supporting shaft 34 is connected into the lower fixing seat 31, the other end of the supporting shaft penetrates through the protective sleeve 33 and abuts against the bottom of the motor shaft 100, the supporting shaft 34 plays a role in supporting the motor shaft 100, and the possibility of bending the motor shaft 100 is reduced, so that the qualified rate of finished products is improved, and the production cost is reduced.

In order to better support the supporting shaft 34, as shown in fig. 2-3, the press-fitting mechanism 3 further includes a mounting seat 36, the mounting seat 36 is disposed inside the lower fixing seat 31 and below the lower positioning block 32, the supporting shaft 34 is disposed on the mounting seat 36, and the mounting seat 36 plays a role of bearing the supporting shaft 34. Specifically, a mounting hole is formed in the center of the mounting seat 36, and the bottom of the supporting shaft 34 extends into the mounting hole, so that the fixing effect is good.

Because the pressing head 35 abuts against the punching sheet 200 and pushes the lower positioning block 32 to slide towards the direction close to the mounting seat 36 under the pressing action of the pressing head 35, in the downward moving process, if the supporting shaft 34 is bent, the straightness of the motor shaft 100 is difficult to ensure. In order to solve the problem, the press-fitting mechanism 3 further includes a protection component 37, the protection component 37 is disposed inside the lower fixing seat 31 and between the lower positioning block 32 and the mounting seat 36, the protection component 37 is used for protecting the supporting shaft 34, and the protection component 37 reduces the possibility of bending of the supporting shaft 34.

Specifically, the protection assembly 37 includes a first protection ring 371 and a second protection ring 372, the first protection ring 371 and the second protection ring 372 are slidably disposed in the lower fixing base 31, the second protection ring 372 is disposed in parallel with the first protection ring 371, and the first protection ring 371 and the second protection ring 372 are coaxially disposed. The first protection ring 371 and the second protection ring 372 are both ring-shaped structures, the support shaft 34 passes through the center of the first protection ring 371 and the center of the second protection ring 372, which is equivalent to the first protection ring 371 and the second protection ring 372 wound on the outer wall of the support shaft 34, and the first protection ring 371 and the second protection ring 372 are commonly used for protecting the support shaft 34.

In order to ensure the accuracy of the centering in the pressing process of the motor shaft 100, the press-fitting mechanism 3 further includes a guide rod 38, the guide rod 38 is arranged on the mounting seat 36, the guide rod 38 penetrates through the first protection ring 371, the second protection ring 372 and the lower positioning block 32 and is in sliding fit with the first protection ring, the guide rod 38 plays a role in guiding, the eccentric situation of the motor shaft 100 in the pressing process is prevented, and the possibility of bending of the motor shaft 100 is further reduced.

It is understood that the number of the guide rods 38 is preferably three, three guide rods 38 are uniformly arranged along the circumference of the mounting seat 36, and the included angle between two adjacent guide rods 38 is 120 degrees. According to the principle that the triangle is strong in stability, the structure is adopted, and the structural stability is guaranteed. Meanwhile, as three points define a circle, the three guide rods 38 can be always positioned on the same circle, so that the axis of the support shaft 34 can penetrate through the center of the circle, and a good centering and guiding effect is achieved.

Further, the press-fitting mechanism 3 further includes a first restoring member 39 and a second restoring member 40, both the first restoring member 39 and the second restoring member 40 are cylindrical springs, the first restoring member 39 is sleeved on the guide rod 38 and located between the first protection ring 371 and the second protection ring 372, and the first restoring member 39 is used for buffering between the first protection ring 371 and the second protection ring 372. Second reducing member 40 is disposed over guide rod 38 and between second protective ring 372 and mounting block 36, and second reducing member 40 is used for cushioning between second protective ring 372 and mounting block 36.

In the process that the lower positioning block 32 moves towards the direction close to the mounting seat 36 under the downward pressing effect of the pressing head 35, the first protection ring 371 compresses the first resetting piece 39, the first resetting piece 39 is gradually in a compressed state, then the first resetting piece 39 pushes the second protection ring 372 to move downwards and gradually compress the second resetting piece 40, so that the second resetting piece 40 is gradually in a compressed state, and the buffering protection effect is achieved. Accordingly, after the motor shaft 100 passes through the punching sheet 200, the pressing drive source 11 drives the pressing head 35 to reset, the pressing head 35 is separated from the lower fixing seat 31, and the first protection ring 371 and the second protection ring 372 realize reset under the action that the first resetting piece 39 and the second resetting piece 40 overcome self-restoring force.

The working process of the pressing device provided by the embodiment is as follows:

the operator places the motor shaft 100 inside the protective sheath 33;

under the action of gravity, a single stamped sheet 200 can slide to the blanking bin 24 along the material rod 23 under the action of gravity, after the blanking bin 24 receives the stamped sheet 200, the stamped sheet 200 enters the accommodating groove of the push plate 22 through the blanking bin 24, and after the stamped sheet 200 is placed in the accommodating groove, the push plate 22 is driven to move towards the direction close to the lower positioning block 32 relative to the feeding plate 21 so as to convey the stamped sheet 200 to the lower positioning block 32.

The pressing driving source 11 drives the ram 35 to press downwards, the ram 35 abuts against the punching sheet 200 and pushes the lower positioning block 32 to slide towards the direction close to the mounting seat 36, so that the motor shaft 100 penetrates through the central hole of the punching sheet 200 to form an iron core finished product and is taken out, in the process, the first reset piece 39 is compressed by the first protection ring 371, the first reset piece 39 is gradually in a compressed state, then the first reset piece 39 pushes the second protection ring 372 to move downwards and gradually compress the second reset piece 40, so that the second reset piece 40 is gradually in a compressed state, and the buffer protection effect is achieved;

after the motor shaft 100 passes through the punching sheet 200, the pressing driving source 11 drives the pressing head 35 to reset, the pressing head 35 is separated from the lower fixed seat 31, and the first protection ring 371 and the second protection ring 372 realize resetting under the action of the first resetting piece 39 and the second resetting piece 40 overcoming self-restoring force.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A press-fitting device, comprising:

the stamping die comprises a lower fixing seat (31) and a lower positioning block (32), wherein the lower positioning block (32) is arranged in the lower fixing seat (31) in a sliding mode, and the top surface of the lower positioning block (32) is used for bearing a stamping sheet (200);

the protective sleeve (33) is arranged in the lower positioning block (32), and the protective sleeve (33) is used for the penetration of a motor shaft (100);

a support shaft (34), one end of which is connected to the lower fixing seat (31), and the other end of which is inserted into the protective sleeve (33) and is abutted against the bottom of the motor shaft (100);

a pressure head (35) positioned above the lower fixing seat (31);

the output end of the driving mechanism (1) is connected to the pressure head (35), the driving mechanism (1) can drive the pressure head (35) to move towards the direction close to the lower fixing seat (31) and abut against the stamped steel (200), and the motor shaft (100) penetrates through the center of the stamped steel (200).

2. A press-fitting device according to claim 1, further comprising a mounting seat (36), wherein the mounting seat (36) is arranged inside the lower fixing seat (31) and below the lower positioning block (32), and the support shaft (34) is arranged on the mounting seat (36).

3. A press-fitting device according to claim 2, further comprising a protection member (37), wherein the protection member (37) is disposed inside the lower fixing base (31) and between the lower positioning block (32) and the mounting base (36), and the protection member (37) is used for protecting the supporting shaft (34).

4. A press-fitting device according to claim 3, characterised in that said protective member (37) comprises:

a first protection ring (371) which is arranged in the lower fixed seat (31) in a sliding way;

and a second protection ring (372) which is arranged in the lower fixed seat (31) in a sliding manner and is parallel to the first protection ring (371), wherein the support shaft (34) penetrates through the first protection ring (371) and the second protection ring (372).

5. A press-fitting device as claimed in claim 4, further comprising a guide rod (38), wherein the guide rod (38) is arranged on the mounting seat (36), and the guide rod (38) penetrates through the first protection ring (371), the second protection ring (372) and the lower positioning block (32) and is in sliding fit with the first protection ring, the second protection ring and the lower positioning block.

6. A press-fitting device according to claim 5, further comprising:

a first restoring member (39) sleeved on the guide rod (38) and located between the first protection ring (371) and the second protection ring (372);

and the second resetting piece (40) is sleeved on the guide rod (38) and is positioned between the second protection ring (372) and the mounting seat (36).

7. A press-fitting device according to claim 1, further comprising a conveying mechanism (2), wherein the conveying mechanism (2) can carry the punching sheet (200) and convey the punching sheet to the lower positioning block (32).

8. A press-fitting device as claimed in claim 7, wherein the conveying mechanism (2) comprises a feeding plate (21) and a pushing plate (22), the pushing plate (22) is slidably arranged on the feeding plate (21), and an accommodating groove is formed in the pushing plate (22) and used for accommodating the punching sheet (200).

9. A press-fitting device according to claim 8, wherein said conveying mechanism (2) further comprises:

the material rod (23) is vertically arranged relative to a horizontal plane and penetrates through the punching sheets (200), and the punching sheets (200) are overlapped and are in sliding fit with the material rod (23);

blanking storehouse (24), blanking storehouse (24) be located the bottom of material pole (23) with between the holding tank and can be just to setting up rather than respectively, blanking storehouse (24) are used for bearing towards piece (200) and lead to it.

10. A press-fitting device as claimed in claim 8, wherein a slide groove is provided on the feed plate (21), and the push plate (22) is slidably fitted with the slide groove.

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