CN106735188A - Magnet pressing equipment driven by servo motor - Google Patents

Abstract

A magnet pressing device driven by a servo motor is provided with a rack, a first servo motor is arranged on the upper portion of the rack and connected with a main pressing mechanism and a mold assembly, a second servo motor and a third servo motor are symmetrically arranged on two sides of the mold assembly and connected with a first lateral pressing mechanism and a second lateral pressing mechanism, a fourth servo motor is arranged on the lower portion of the mold assembly and connected with an ejection mechanism, when the magnet pressing device is started, the main pressing mechanism is driven by the first servo motor to downwards apply pressure to the mold assembly, and the first lateral pressing mechanism and the second lateral pressing mechanism are driven by the second servo motor and the third servo motor to respectively apply pressure to the mold assembly left and right. The magnet pressing equipment can be used for pressing the pressed magnet in a single direction and in multiple directions according to requirements, the pressing precision of the magnet is easy to control, and the drawing is convenient.

Description

Magnet pressing equipment driven by servo motor

【Technical field】

The invention relates to magnet molding equipment, in particular to a magnet pressing equipment driven by a servo motor which can apply multi-directional pressure to magnets and is convenient for demolding.

【Background technique】

At present, various magnetic materials are widely used in the fields of electronics and machinery, and the magnetic devices made of magnetic materials are becoming more and more miniaturized, thinned and high-performance, so as to adapt to the development of electronic products in the direction of thinner, lighter and higher performance. need. Magnetic materials are usually made into various magnets according to user needs, such as magnetic rings, magnetic sheets or special-shaped magnets, and the magnets are usually pressed into shape by molding equipment. The traditional magnet molding equipment uses the crank linkage mechanism to drive the pressure head to move downward to apply pressure to the mold. This kind of equipment is not only bulky, but also has a lot of noise in operation, and it can only apply pressure to the mold in one direction, that is, it can only Applying pressure in the axial direction of the mold can meet general processing requirements, but for products that require both axial pressure and side pressure of the mold, especially for products that require processing on the side Then there is nothing you can do. In addition, traditional magnet molding equipment still has problems such as difficulty in mold removal and difficult control of processing accuracy.

【Content of invention】

The purpose of the present invention is to solve the above problems, and to provide a magnet driven by a servo motor, which can not only apply pressure to the pressed magnet in one direction, but also apply pressure in multiple directions according to the needs, the precision of magnet pressing is easy to control, and the mold is convenient. Compression equipment.

In order to achieve the above object, the present invention provides a magnet pressing equipment driven by a servo motor. The magnet pressing equipment is provided with a frame, and a first servo motor connected to a control device is arranged on the top of the frame. The first servo motor passes through the first servo motor. A coupling is connected with one end of the main press mechanism, and the other end of the main press mechanism is connected with the mold assembly, and the second servo motor and the third servo motor connected with the control device are arranged symmetrically on both sides of the mold assembly , the second servo motor and the third servo motor are respectively connected to the first side pressure mechanism and the second side pressure mechanism through the second coupling and the third coupling, and the control device and the described The fourth servo motor connected to the mold assembly, the fourth servo motor is connected with the ejection mechanism, so that when the magnet pressing equipment is started, the first servo motor drives the main pressing mechanism to move downward, and the mold is pressed against the main pressing mechanism through the main pressing mechanism. The components are pressed downwards. At the same time, the second servo motor and the third servo motor drive the first side pressure mechanism and the second side pressure mechanism to move to the right and left respectively, and press the mold components left and right, and the magnet is pressed After completion, the first servo motor moves upwards to push the main pressing mechanism away from the mold assembly, the second servo motor and the third servo motor move in opposite directions to the left and right respectively to separate from the mold assembly, and the fourth servo motor moves upwards to push The ejector mechanism moves upward to eject the mold assembly.

The main pressure mechanism includes a vertically arranged first screw rod, a first nut and a first nut guide sleeve, wherein the upper end of the first screw rod is connected with the first coupling, and the first screw rod The rod body is threaded to the first nut, the first nut is threaded to the first screw, and its lower end is in contact with the top of the mold assembly, the first nut guide sleeve is movably socketed outside the first nut, And fixed on the frame, the first nut can move up and down in the axial direction driven by the first screw rod.

The first nut is columnar, with a threaded hole in its center, the threaded hole extends from the upper end to the lower end, and the lower end of the first nut is provided with a columnar pressure head, which is in contact with the top of the mold assembly. The nut exerts pressure on the mold assembly through its pressure head under the push of the first screw rod.

The first servo motor, the second servo motor, the third servo motor and the fourth servo motor are respectively fixed on the first motor base, the second motor base, the third motor base and the fourth motor base, wherein the first motor The seat is horizontally fixed on the top of the frame, the second motor seat and the third motor seat are vertically symmetrically fixed in the middle of the frame, and the fourth motor seat is horizontally fixed on the bottom of the frame.

The first lateral pressure mechanism includes a second screw rod, a second nut, and a second nut guide sleeve arranged transversely, wherein the end of the second screw rod is connected with the second shaft coupling, and the second screw rod The rod body of the second nut is threadedly connected to the second nut, and the second nut is threadedly connected to the second screw rod, and its front end is in contact with the top of the mold assembly, and the guide sleeve of the second nut is movably socketed on the outside of the second nut , and fixed on the frame, the second nut can move left and right along the axial direction driven by the second screw rod.

The second lateral pressure mechanism includes a third screw rod, a third nut, and a third nut guide sleeve arranged transversely, wherein the end of the third screw rod is connected with the third shaft coupling, and the third screw rod The rod body of the third nut is threadedly connected to the third nut, and the third nut is threadedly connected to the third screw rod, and its front end is in contact with the top of the mold assembly, and the guide sleeve of the third nut is movably socketed on the outside of the third nut , and fixed on the frame, the third nut can move left and right along the axial direction driven by the third screw rod.

The ejector mechanism includes a fourth screw rod, a fourth nut and a fourth nut guide sleeve arranged vertically, wherein the lower end of the fourth screw rod is connected with the fourth coupling, and the fourth screw rod The rod body is threaded to the fourth nut, the fourth nut is threaded to the fourth screw, and its upper end is in contact with the top of the mold assembly, and the guide sleeve of the fourth nut is movably socketed outside the fourth nut, And fixed on the frame, the fourth nut can move up and down in the axial direction driven by the fourth screw rod.

The mold assembly includes a mold frame, a mold body, a mold core and a mold base, wherein the mold frame is formed by connecting the top plate of the mold frame, the middle plate of the mold frame, and the bottom plate of the mold frame arranged at vertical intervals through four guide pillars. It is specifically arranged between the middle plate of the mold frame and the mold base. The mold core is arranged in the mold body, and its two ends extend out of the mold body. The mold base is arranged at the bottom of the mold body and fixed with the frame.

The mold core includes an upper mold core and a lower mold core. The upper mold core and the lower mold core are respectively placed in the upper and lower parts of the mold body. The upper end of the upper mold core and the lower end of the lower mold core extend out of the mold body. The upper mold core and the lower mold core The lower core can move up and down in the mold body to apply pressure to the magnet.

The control device is a single chip microcomputer.

The contribution of the present invention is that it effectively solves the problems existing in conventional magnet molding equipment. Since the present invention is equipped with a multi-directional pressure-applying structure, there are multiple options for the pressing and forming methods of the magnet. People can choose one-way or multi-directional pressure according to the structure and shape design of the magnet, thus greatly improving the performance of the magnet molding equipment. And production capacity, and is conducive to the processing of magnets with complex shapes. Because the magnet molding equipment of the present invention is directly driven by the servo motor, it is more convenient for precise control, and the structure of the molding equipment is simplified, the volume of the equipment is reduced, the noise of the equipment is reduced, and the production efficiency of the equipment is improved. And the equipment of the present invention can conveniently take out the shaped magnet by releasing the pressure mechanisms in all directions when the mold is ejected.

【Description of drawings】

Fig. 1 is a sectional view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the structure of the main pressing mechanism of the present invention.

Fig. 3 is a sectional view of the mold body structure of the present invention.

【detailed description】

The following examples are further explanations and illustrations of the present invention, and do not constitute any limitation to the present invention.

Referring to Fig. 1, the magnet pressing equipment 100 driven by the servo motor of the present invention comprises a frame 10, a control device 20, a first servo motor 31, a second servo motor 32, a third servo motor 33, a fourth servo motor 34, a first Coupling 41, second coupling 42, third coupling 43, fourth coupling 44, main pressure mechanism 51, first side pressure mechanism 52, second side pressure mechanism 53, ejector mechanism 54 and Mold assembly 60.

As shown in Figure 1, this magnet pressing equipment is provided with frame 10, and this frame 10 top is fixed with first motor base 31A, and this first motor base 31A is plate-shaped body, and its center is provided with for the first servomotor. The shaft hole through which the motor shaft 311 passes, and the first motor base 31A is fixed on the top of the frame 10 in a transverse direction. A first servo motor 31 capable of forward and reverse rotation is mounted on the first motor base 31A. The second motor base 32A and the third motor base 33A are fixed at the middle part of the frame 10. The second motor base 32A and the third motor base 33A are plate-shaped bodies, and the center is provided with a second servo motor and a third servo motor. The second motor base 32A and the third motor base 33A are vertically symmetrically fixed in the middle of the frame 10 through the shaft holes through which the motor shafts 321 and 331 pass. On the second motor base 32A and the third motor base 33A, respectively, a second servo motor 32 and a third servo motor 33 capable of reversing forward and reverse are installed. A fourth motor mount 34A is fixed on the bottom of the frame 10, the fourth motor mount 34A is a plate-shaped body, and its center is provided with a shaft hole for the motor shaft 341 of the fourth servo motor to pass through, and the fourth motor mount 34A is horizontal It is fixed on the lower part of the frame 10. A fourth servo motor 34 capable of forward and reverse rotation is mounted on the fourth motor base 34A. The first servomotor 31, the second servomotor 32, the third servomotor 33 and the fourth servomotor 34 are electrically connected with the control device 20 respectively, and the control device is arranged at the middle front part of the frame 10, and its It is a single-chip microcomputer carrying a control program, which is used to set, adjust and control the parameters and process flow of the magnet pressing equipment 100. It can control the magnet pressing equipment 100 to perform one-way pressing by the main pressing mechanism 51, and can also control the main pressing mechanism 51 , The first side pressing mechanism 52 and the second side pressing mechanism 53 carry out multi-directional pressing in downward, left and right directions at the same time.

In Fig. 1, the motor shaft 311 of the first servo motor 31 passes downward through the shaft hole of the first motor base 31A and is connected with the first coupling 41, and the other end of the first coupling 41 is connected with the main pressure mechanism 51. . As shown in FIG. 1 and FIG. 2 , the main pressing mechanism 51 is arranged vertically and includes a first screw rod 511 , a first nut 512 and a first nut guide sleeve 513 . The upper end of the first screw rod 511 is connected with the first coupling 41, and the rod body of the first screw rod 511 is connected with the thread of the first nut 512 through a ball. The first nut 512 is columnar, with a Threaded hole 5121, the threaded hole 5121 extends from the upper end to the lower end, and the first screw rod 511 forms a threaded connection with the threaded hole 5121 of the first nut, so that the first nut 512 can be driven by the first screw rod 511 in the axial direction Moving up and down. The lower end of the first nut is provided with an integrated cylindrical pressure head 5122, and the lower end of the pressure head 5122 is connected with the upper mold core 631 on the top of the mold assembly 60, and the upper mold core 631 is placed on the first nut. 512 pushes through its pressure head 5122 to apply pressure to the magnet in the mold cavity of the mold assembly 60 . The longitudinal section of the first nut guide sleeve 513 is T-shaped, and its center is provided with a hole for the first nut 512 to pass through. The pressure head 5122 at the bottom of the nut 512 is outside and fixed on the frame 10 . The first nut 512 can be driven by the first threaded rod 511 to move up and down in the axial direction under the guidance of the first nut guide sleeve 513 .

In Fig. 1, the motor shaft 321 of the second servo motor 32 faces to the right, and the motor shaft 331 of the third servo motor 33 passes through the shaft holes on the second motor base 32A and the third motor base 33A respectively to the left, and respectively It is connected with the first lateral pressure mechanism 52 and the second lateral pressure mechanism 53 through the second coupling 42 and the third coupling 43 . The first side pressing mechanism 52 is arranged horizontally, and its structure is the same as that of the main pressing mechanism 51 , which includes a second screw rod 521 , a second nut 522 and a second nut guide sleeve 523 . The end of the second screw rod 521 is connected with the second coupling 42, and the rod body of the second screw rod 521 is threadedly connected with the threaded hole 5221 of the second nut 522, and the second nut 522 can be mounted on the second screw rod. Driven by 521, it moves left and right along the axial direction. The right end of the second nut 522 is provided with an integrated cylindrical pressure head 5222, and the end of the pressure head 5222 is connected with the left mold core on the left side of the mold assembly 60 when applying pressure, so that the second nut 522 is pushed by the second screw rod 521 to apply pressure to the left mold core 633 of the mold assembly 60 through its pressure head 5222 . The second lateral pressure mechanism 53 is arranged horizontally, and its structure is the same as that of the main pressure mechanism 51 , which includes a third screw rod 531 , a third nut 532 and a third nut guide sleeve 533 . The end of the third screw rod 531 is connected with the third coupling 43, and the rod body of the third screw rod 531 is threadedly connected with the threaded hole 5321 of the third nut 532, and the third nut 532 can be mounted on the third screw rod. Driven by 531, it moves left and right along the axial direction. The left end of the third nut 532 is provided with an integrated cylindrical pressure head 5322, and the end of the pressure head 5322 is connected with the right mold core 634 on the right side of the mold assembly 60 when applying pressure, so that the third nut 532 The nut 532 presses the right mold core of the mold assembly 60 through its pressure head 5322 under the push of the third screw rod 531 .

As shown in FIG. 1 , a fourth servo motor 34 is provided at the lower part of the mold assembly 60 , which is connected to the control device 20 . The motor shaft 341 of the fourth servo motor 34 passes upward through the shaft hole of the fourth motor base 34A and is connected to the fourth coupling 44 , and the other end of the fourth coupling 44 is connected to the ejection mechanism 54 . The structure of the ejection mechanism 54 is the same as that of the main pressing mechanism 51, and it includes a fourth screw rod 541, a fourth nut 542 and a fourth nut guide sleeve 543 arranged vertically, wherein the lower end of the fourth screw rod 541 is connected to the bottom of the fourth screw rod 541. The fourth coupling 44 is connected, the rod body of the fourth screw rod 541 is screwed to the fourth nut 542, the fourth nut 542 is screwed to the fourth screw rod 541, and the upper end of the fourth nut 542 is provided with The integral cylindrical pressure head 5422 makes the fourth nut 542 push the magnet 70 in the mold cavity of the mold assembly 60 through the end of the pressure head 5422 and the lower mold core 632 when the fourth nut 542 moves upward under the push of the fourth screw rod 541. ejected. The fourth nut guide sleeve 543 is movably socketed on the outside of the fourth nut 542 and fixed on the frame 10 . The fourth nut 542 can move up and down in the axial direction driven by the fourth screw rod 541 .

As shown in Figure 1, the mold assembly 60 includes a mold frame 61, a mold body 62, a mold core 63 and a mold base 64, wherein the mold frame 61 consists of a mold frame top plate 611 and a mold frame middle plate 612 arranged at vertical intervals. , The bottom plate 613 of the mold frame is formed by connecting four guide pillars 614 . As shown in Figure 3, there is a mold cavity in the mold body 62 for molding of the magnet, which is arranged between the mold frame middle plate 612 and the mold base 64, and the mold core 63 is arranged in the mold body 62. The core 63 includes an upper mold core 631 and a lower mold core 632, the upper mold core 631 and the lower mold core 632 are movably placed in the upper and lower parts of the mold body 62 respectively, and the compressed magnet 70 is placed in the upper mold core 631 and the lower mold core 632 Between, the upper end of the upper mold core 631 and the lower end of the lower mold core 632 extend out of the mold body 62 , and the upper mold core 631 and the lower mold core 632 can move up and down in the mold body 62 to exert pressure on the magnet 70 . The mold base 64 is located at the bottom of the mold body 62 and fixed with the frame 10 .

The working principle of the present invention is shown in Figure 1, when the magnet pressing 100 equipment is started, the first servo motor 31 pushes the first nut 512 to move down through the first screw rod 511, and the first nut 512 passes through its pressure head 5122 Pressurize the magnet 70 in the mold assembly 60, at the same time, the second servo motor 32 and the third servo motor 33 drive the second screw mandrel 521, the third screw mandrel 531 pushes its second nut 522, the third nut 532 moves left and right along the axial direction, and presses the magnet 70 in the mold assembly 60 in the horizontal direction through the pressure head 5222 of the second nut and the pressure head 5322 of the third nut. After the magnet pressing is completed, the first servomotor 31 moves upwards to push the main pressing mechanism 51 away from the mold assembly 60, and the second servomotor 32 and the third servomotor 33 move in opposite directions to the left and right respectively to separate from the mold assembly 60, and The fourth servo motor 34 moves upwards, pushing the ejection mechanism 54 upwards, and ejects the magnet 70 in the mold assembly 60 .

Although the present invention has been disclosed through the above embodiments, the scope of the present invention is not limited thereto. Without departing from the concept of the present invention, the above components can be replaced by similar or equivalent elements understood by those skilled in the art.

Claims (10)

1. the magnet press device that a kind of servomotor drives, it is characterised in that the magnet press device is provided with frame (10), Frame (10) top is provided with the first servomotor (31) being connected with control device (20), and first servomotor (31) is by One shaft coupling (41) is connected with one end of main pressure mechanism (51), the other end and die assembly (60) phase of the main pressure mechanism (51) Connection, the second servomotor (32) for being connected with control device (20) and the are symmetrically arranged with the die assembly (60) both sides Three servomotors (33), second servomotor (32) and the 3rd servomotor (33) are respectively by second shaft coupling (42), the Three shaft couplings (43) are connected with the first lateral pressing structure of shoe (52) and the second lateral pressing structure of shoe (53), die assembly (60) bottom be provided with Control device (20) and the 4th connected servomotor (34) of the die assembly (60), the 4th servomotor (34) and ejection Mechanism (54) is connected so that when magnet press device is started, and first servomotor (31) drives main pressure mechanism (51) Move downward, and die assembly (60) is pressed downwards through main pressure mechanism (51), at the same time, the second servomotor (32) and the Three servomotors (33) drive the first lateral pressing structure of shoe (52) and the second lateral pressing structure of shoe (53) distinguish to the right, move toward one another to the left, it is right Die assembly (60) carries out left and right pressure, and after the completion of magnet compacting, the first servomotor (31) is moved upwards, promotes main pressure mechanism (51) break away from moulds component (60), the second servomotor (32) and the 3rd servomotor (33) respectively to the left, counter motion to the right And break away from moulds component (60), and the motion upwards of the 4th servomotor (34), promote pressure head (341) or ejecting mechanism (54) upwards Motion, by die assembly (60) ejection.

2. the magnet press device that servomotor as claimed in claim 1 drives, it is characterised in that the main pressure mechanism (51) Including in vertically arranged the first screw mandrel (511), the first nut (512) and the first nut guide pin bushing (513), wherein, described first The upper end of screw mandrel (511) is connected with the first shaft coupling (41), the body of rod and the first nut (512) of the first screw mandrel (511) Threaded connection, first nut (512) is threadedly connected on the first screw mandrel (511), its lower end and the die assembly (60) Top be in contact, the first nut guide pin bushing (513) pivot bush unit is outside in the first nut (512), and is fixed on the machine On frame (10), first nut (512) can vertically move up and down under the first screw mandrel (511) drive.

3. the magnet press device that servomotor as claimed in claim 2 drives, it is characterised in that first nut (512) it is in the form of a column, its center is provided with screwed hole (5121), the screwed hole (5121) extends lower end by upper end, the first nut Bottom is provided with column pressure head (5122), and the pressure head (5122) is in contact with the top of the die assembly (60), first spiral shell Female (512) apply pressure to the die assembly (60) under the first screw mandrel (511) promotion by its pressure head (5122).

4. the magnet press device that servomotor as claimed in claim 3 drives, it is characterised in that first servomotor (31), the second servomotor (32), the 3rd servomotor (33) and the 4th servomotor (34) are separately fixed at the first motor cabinet On (31A), the second motor cabinet (32A), the 3rd motor cabinet (33A) and the 4th motor cabinet (34A), wherein, first motor cabinet (31A), in frame (10) top is fastened transversely to, second motor cabinet (32A), the 3rd motor (33A) seat are in vertical symmetrical solid Due to frame (10) middle part, the 4th motor cabinet (34A) is in be fastened transversely to frame (10) bottom.

5. the magnet press device that servomotor as claimed in claim 1 drives, it is characterised in that first lateral pressing structure of shoe (52) including the second screw mandrel (521) in horizontally set, the second nut (522) and the second nut guide pin bushing (523), wherein, it is described The end of the second screw mandrel (521) is connected with the second shaft coupling (42), the body of rod and the second nut of the second screw mandrel (521) (522) it is threadedly coupled, second nut (522) is threadedly connected on the second screw mandrel (521), its front end and the die assembly (60) it is in contact at the top of, the second nut guide pin bushing (523) pivot bush unit is outside in the second nut (522), and is fixed on institute State in frame (10), second nut (522) can vertically move left and right under the second screw mandrel (521) drive.

6. the magnet press device that servomotor as claimed in claim 1 drives, it is characterised in that second lateral pressing structure of shoe (53) including the 3rd screw mandrel (531) in horizontally set, the 3rd nut (532) and the 3rd nut guide pin bushing (533), wherein, it is described The end of the 3rd screw mandrel (531) is connected with the 3rd shaft coupling (43), the body of rod and the 3rd nut of the 3rd screw mandrel (531) (532) it is threadedly coupled, the 3rd nut (532) is threadedly connected on the 3rd screw mandrel (531), its front end and the die assembly (60) it is in contact at the top of, the 3rd nut guide pin bushing (533) pivot bush unit is outside in the 3rd nut (532), and is fixed on institute State in frame (10), the 3rd nut (532) can vertically move left and right under the drive of the 3rd screw mandrel (531).

7. the magnet press device that servomotor as claimed in claim 1 drives, it is characterised in that the ejecting mechanism (54) Including in the 4th vertically arranged screw mandrel (541), the 4th nut (542) and the 4th nut guide pin bushing (543), wherein, the described 4th The lower end of screw mandrel (541) is connected with the 4th shaft coupling (44), the body of rod and the 4th nut (542) of the 4th screw mandrel (541) Threaded connection, the 4th nut (542) is threadedly connected on the 4th screw mandrel (541), its upper end and the die assembly (60) Top be in contact, the 4th nut guide pin bushing (543) pivot bush unit is outside in the 4th nut (542), and is fixed on the machine On frame (10), the 4th nut (542) can vertically move up and down under the drive of the 4th screw mandrel (541).

8. the magnet press device that servomotor as claimed in claim 1 drives, it is characterised in that the die assembly (60) Including die frame (61), mold (62), core rod (63) and mold base (64), wherein, die frame (61) is by being vertically spaced In die frame top board (611), the die frame of setting plate (612), die frame base plate (613) connected by four guide pillars (614) and In being arranged on die frame into, the mold (62) between plate (612) and mold base (64), the core rod (63) is located at mould In body (62), mold (62) is stretched out outward in its two ends, and the mold base (64) is located at mold (62) bottom, and and frame (10) it is fixed.

9. the magnet press device that servomotor as claimed in claim 8 drives, it is characterised in that the core rod (63) includes Upper mold core (631) and lower mold core (632), the upper mold core (631) and lower mold core (632) are actively placed in mold (62) respectively Mold (62) is stretched out outward in top and the bottom, the upper end of upper mold core (631) and the lower end of lower mold core (632), the upper mold core (631) and under Core rod (632) can move up and down in mold (62) and magnet is pressed.

10. the magnet press device that servomotor as claimed in claim 1 drives, it is characterised in that the control device (20) it is single-chip microcomputer.