CN115072286A

CN115072286A - Small-size material vibration material feeding unit

Info

Publication number: CN115072286A
Application number: CN202210844166.6A
Authority: CN
Inventors: 苏俊硕
Original assignee: Sankitai Co ltd
Current assignee: Sankitai Co ltd
Priority date: 2021-10-29
Filing date: 2022-07-18
Publication date: 2022-09-20
Also published as: TWI777836B; TW202317448A

Abstract

The invention relates to a small material vibration feeding device, wherein two ends of a base are respectively provided with a lower spring plate extending upwards, the inner side surfaces of the two lower spring plates adjacent to the top end are respectively arranged at one end of a connecting block, the other ends of the two connecting blocks are respectively provided with a double piezoelectric actuating sheet extending upwards, a connecting block is arranged between the double piezoelectric actuating sheets at two sides in a spanning manner, the upper sections of the two lower spring plates at two sides are respectively overlapped with an upper spring plate, the upper spring plates at two sides are overlapped on one side of the lower spring plate different from the conveying direction, the lower spring plates are respectively locked on the connecting blocks by using a locking piece, the lower spring plate is provided with a through hole for the locking piece to pass through, and the lower spring plate is provided with a through U-shaped groove so that a vibration exciting spring piece is formed on the lower spring plate. Therefore, most of the excited vibration is guided to the upper spring plate above, the condition that the excited vibration is linked with the lower spring plate can be greatly reduced, and the situation that the conveying speeds at different positions in the conveying direction are different or the conveyed object vibrates towards other directions except the conveying direction is avoided.

Description

Small-size material vibration material feeding unit

Technical Field

The invention relates to the technical field of vibration feeding, in particular to a small material vibration feeding device.

Background

In the production line operation flow of general small materials such as electronic components or precise hardware, various vibration type feeding devices are used for conveying the small materials. The vibration type feeding device meets the requirements of high speed and high precision in an automatic factory, so that high-speed, stable and reliable conveying becomes a primary task. In general, a small-sized material vibration feeding apparatus is configured to elastically support a conveying body on a base by a plate spring, and to vibrate the conveying body by a vibration excitation mechanism such as an electromagnetic driving body or a piezoelectric driving body to generate vibrations in an oblique direction in a conveying direction, thereby conveying the small-sized materials along a conveying flow path formed in the conveying body. At present, a common vibration feeding device is mainly provided with lower spring plates extending upward at two ends of a base, wherein inner side surfaces of the lower spring plates at two sides adjacent to the top end are respectively arranged at one end of a connecting block, the other end of the connecting block at two sides is respectively provided with a dual piezoelectric actuating sheet extending upward, a connecting piece is arranged between the dual piezoelectric actuating sheets at two sides in a spanning manner, an upper spring plate is overlapped at the upper section of the lower spring plates at two sides, the upper spring plates at two sides are overlapped at one side of the lower spring plates different from the conveying direction, the upper spring plates at two sides are respectively arranged at two ends of a vibration output body, and the top surface of the vibration output body is connected with a conveying body with a conveying flow channel.

As described above, since small materials such as electronic devices are used as a material to be conveyed, and a high-speed supply demand for such a vibration type feeding device is increasing, it is required to convey the small materials at a high speed and with reliability while aligning them.

As shown in fig. 13 and 14, the vibration feeding devices of this type have a common problem that a reaction force of vibration of the vibration output body is transmitted to the installation surface, and a phenomenon in which the lower spring plate (21 ') and the upper spring plate (23 ') are disturbed in vibration is generated, so that the vibration output body (30 ') is vibrated in a direction different from the original vibration direction by the installation surface, and thus the conveying speed is different at different positions in the conveying direction, or the conveying object is vibrated in a direction other than the conveying direction, so that the conveying posture is disturbed, and further, the conveying speed of the conveying body is not uniform or the conveying state of the small-sized object is unstable.

In other words, the structural design of the conventional vibrating feeding device is not perfect, and the problem that the vibration direction and speed cannot be effectively controlled exists, so that the stability and reliability of small-sized material conveying are affected.

In view of the above, the present inventors have made extensive studies and applications of the theory to solve the above problems of the prior art, and have conducted design, development and practical experience in the related industries for many years, and have improved the existing structure, and finally successfully developed a small material vibration feeding device to overcome the existing troubles and inconveniences.

Disclosure of Invention

Therefore, the primary objective of the present invention is to provide a small-sized material vibration feeding device, which can make the vibration output body vibrate in the original preset vibration direction by means of simple structural change, so as to avoid the change of the conveying direction and efficiency due to vibration disorder.

Another object of the present invention is to provide a small-sized material vibration feeding device which prevents the conveying speed from being different at different positions in the conveying direction or the conveying object from vibrating in other directions than the conveying direction, and avoids the disorder of the conveying posture of the small-sized material to ensure the conveying efficiency and quality.

Another object of the present invention is to provide a small material vibration feeding device, which can maintain the uniformity and stability of the conveying speed of the conveying body, thereby improving the stability and reliability of the conveying of small materials.

Based on this, the present invention mainly uses the following technical means to achieve the aforementioned purpose and effect, two ends of a base are respectively provided with a lower spring plate extending upwards, the inner side surfaces of the lower spring plates at two sides, which are adjacent to the top end, are respectively arranged at one end of a connecting block, the other ends of the connecting blocks at two sides are respectively provided with a double piezoelectric actuating piece extending upwards, a connecting block is arranged between the double piezoelectric actuating pieces at two sides in a spanning manner, the upper sections of the lower spring plates at two sides are respectively overlapped with an upper spring plate, the upper spring plates on two sides are overlapped on one side of the lower spring plate different from the conveying direction, the upper spring plates on two sides are respectively arranged at two ends of a vibration output body, the top surface of the vibration output body is connected with a conveying body with a conveying flow channel, the lower sections of the opposite side surfaces of the connecting blocks at two sides are respectively provided with an upward extending double piezoelectric actuating sheet, a connecting block is arranged between the double piezoelectric actuating sheets at two sides in a spanning manner, and a gap is kept between the top surface of the connecting block and the bottom surface of the vibration output body;

the lower spring plate is respectively locked on the upper section of the connecting block by a fourth locking piece and is provided with a through hole for the fourth locking piece to pass through, and a through U-shaped groove is formed around the lower spring plate adjacent to the through hole, so that a vibration exciting reed with the through hole is formed on the lower spring plate.

Therefore, through the specific realization of the technical means, the small material vibration feeding device utilizes the design that the U-shaped cutting groove of the lower spring plate is provided with the excitation reed, and the excitation reed is connected with the connecting block and the double piezoelectric actuating piece, so that most of the excited vibration is guided to point to the upper spring plate above, the condition that the excitation vibration is linked with the lower spring plate can be greatly reduced, a conveyed object does not vibrate towards other directions except the conveying direction, the conveying posture of the small material is prevented from being disordered, the conveying efficiency and the conveying quality are ensured, the stability and the reliability of conveying the small material are improved, the additional value of a product is increased, and the economic benefit of the small material is improved.

The invention further realizes the purposes and effects by the following technical means; such as:

the lower spring plate is provided with a lower end part and an upper end part, the lower end parts of the lower spring plates on two sides are respectively locked at two ends of the base by utilizing at least one first locking part after penetrating through a clamping plate, the upper end parts of the lower spring plates on two sides are respectively locked with an upper spring plate by utilizing at least one second locking part and two opposite clamping plates, the upper spring plate is provided with a lower end part and an upper end part, the two opposite clamping plates of the second locking part are clamped at the upper end parts of the lower spring plates and the lower end parts of the upper spring plates, and the upper end parts of the upper spring plates on two sides are respectively locked at two ends of a vibration output body by utilizing at least one third locking part and one clamping plate.

The lower spring plate and the upper spring plate of the vibration feeding device are additionally overlapped with at least one lower spring plate and at least one upper spring plate and the vibration excitation transmission elastic sheet at the same side.

The small material vibration feeding device is characterized in that lower spring plates extending upwards are respectively arranged at two ends of a base, the inner side surfaces, adjacent to the top ends, of the lower spring plates at two sides are respectively arranged at one end of a connecting block, the other ends of the connecting blocks at two sides are respectively provided with a double piezoelectric actuating piece extending upwards, the upper sections of the lower spring plates at two sides are respectively overlapped with an upper spring plate, the upper spring plates at two sides are overlapped at one side of the lower spring plate, the upper spring plates at two sides are respectively arranged at two ends of a vibration output body, the top surface of the vibration output body is connected with a conveying body with a conveying flow channel, the lower sections of the opposite side surfaces of the connecting blocks at two sides are respectively provided with an electric actuating piece extending upwards, a connecting block is arranged between the double piezoelectric actuating pieces at two sides in a spanning mode, and a gap is kept between the top surface of the connecting block and the bottom surface of the vibration output body; the method is characterized in that: the lower spring plate is respectively locked on the upper section of the connecting block by a fourth locking part and is provided with a through hole for the fourth locking part to pass through, a through U-shaped groove is formed around the lower spring plate adjacent to the through hole, so that an excitation reed with a through hole is formed on the lower spring plate, the vibration feeding device is of a bidirectional structure, one side of the part, where the lower spring plate and the upper spring plate are overlapped at two sides, is provided with an upward extending anti-vibration transmission elastic sheet, the anti-vibration transmission elastic sheet is positioned at one side of the upper spring plate different from the lower spring plate, the upper ends of the anti-vibration transmission elastic sheets at two sides are respectively locked at two ends of an anti-vibration output body, and the anti-vibration output body can be connected with a reverse conveying flow passage, so that the fixed vibration conveying direction of the anti-vibration output body is opposite to the conveying direction of the vibration output body.

The lower spring plate, the upper spring plate and the anti-vibration transmission elastic sheet of the vibration feeding device can be overlapped in number on the same side according to actual requirements.

The connecting block of the vibration feeding device can be further connected with a connecting block according to actual requirements.

The other end of the lower spring plate of the vibration feeding device opposite to the vibration excitation spring plate forms a through hole.

Drawings

FIG. 1 is a schematic view of a first simulation state of the small material vibration feeding device of the present invention;

FIG. 2 is a schematic diagram of a second simulation state of the small material vibration feeding device of the present invention;

FIG. 3 is a schematic perspective view of a small-sized material vibration feeding device according to a preferred embodiment of the present invention;

FIG. 4 is a schematic exploded perspective view of a preferred embodiment of the small material vibration feeding device of the present invention;

FIG. 5 is a schematic side plan view of the preferred embodiment of the vibration feeding device for small materials of the present invention;

FIG. 6 is a schematic diagram of the vibration feeding device for small materials in practical use according to the preferred embodiment of the present invention;

FIG. 7 is a schematic perspective view of another preferred embodiment of the small-sized vibratory material feeding apparatus of the present invention;

FIG. 8 is a schematic exploded perspective view of another preferred embodiment of the small-sized vibratory material feeding device of the present invention;

FIG. 9 is a schematic plan view of another preferred embodiment of the small material vibration feeding device of the present invention;

FIG. 10 is a schematic plan view of a further preferred embodiment of the small material vibratory feeding apparatus of the present invention;

FIG. 11 is a schematic view of another preferred embodiment of the small vibratory material feeder of the present invention;

FIG. 12 is a schematic view of a lower spring plate of a small material vibration feeding device according to still another preferred embodiment of the present invention;

FIG. 13 is a schematic diagram of a first simulation state of a conventional small-sized material vibration feeding device using CAE simulation;

FIG. 14 is a diagram illustrating a second simulation state of a conventional small-sized material vibration feeding device using CAE simulation;

FIG. 15 is a schematic view of a first simulation state of the small-sized material vibration feeding device according to the present invention, in which CAE simulation is applied;

fig. 16 is a schematic diagram of a second simulation state of the small-sized material vibration feeding device in the case of applying CAE simulation.

Names corresponding to the marks in the figure: 20' base

21 ', a lower spring plate 23', an upper spring plate 30 ', a vibration output body 35', a conveying body 20, a base

21 lower spring plate

211, a lower end 212, an upper end 22, a first locking member 220, a clamping plate 23, an upper spring plate

231, lower end 232, upper end 24, second locking member 240, clamping plate 241, clamping plate 245, anti-vibration connecting block 25, third locking member 250, clamping plate 26, connecting block

260 washer

27 fourth locking part

270 through the holes

275U-shaped groove

278 exciting reed

279A through hole

28 double piezoelectric actuating plate

29 connecting block

291 inertia connecting block

30 vibration output body

35 conveying body

40, elastic sheet for transmission of counter vibration

Fifth locking part 41

410 clamping and pressing plate

42 sixth locking part

420: clamping plate

45, a counter vibration output body

451 anti-vibration conveying flow passage

Detailed Description

In the embodiments and components of the present invention illustrated in the drawings, all references to front and rear, left and right, top and bottom, upper and lower, and horizontal and vertical are only used for convenience of description, and do not limit the present invention, nor limit the components thereof to any position or spatial orientation. The dimensions specified in the figures and the description may vary depending on the design and requirements of the invention without departing from the scope of the claims.

The structure of the small material vibration feeding device of the invention is a one-way design as shown in fig. 1-6, the vibration feeding device is provided with a lower spring plate (21) at two ends of a base (20), the lower spring plate (21) is provided with a lower end part (211) and an upper end part (212) for respectively locking the lower end parts (211) of the lower spring plates (21) at two sides at two ends of the base (20) after at least one first locking piece (22) penetrates through a clamping plate (220), the upper spring plate (23) is respectively locked at the upper end parts (212) of the lower spring plates (21) at two sides by at least one second locking piece (24) and two opposite clamping plates (240, 241), the upper spring plate (23) is provided with a lower end part (231) and an upper end part (232), the two opposite clamping plates (240, 241) of the second locking piece (24) are clamped at the upper end part (212) of the lower spring plate (21) and the lower end part (231) of the upper spring plate (23), the lower spring plate (21) and the upper spring plate (23) are overlapped, the upper spring plate (23) is positioned on one side of the lower spring plate (21) different from the conveying direction, the upper end parts (232) of the upper spring plates (23) on two sides are respectively locked at two ends of a vibration output body (30) by utilizing at least one third locking piece (25) and a clamping plate (250), and the top surface of the vibration output body (30) is connected with a conveying body (35) with a conveying flow channel;

the lower spring plates (21) on two sides are respectively locked at the upper section of a connecting block (26) by a fourth locking piece (27) penetrating through a gasket (260) and close to the upper end (212), wherein a through hole (270) is formed at the position, corresponding to the fourth locking piece (27), of the lower spring plate (21), a through U-shaped cutting groove (275) is formed at the periphery of the lower spring plate (21) close to the through hole (270), a vibration excitation reed (278) with the through hole (270) is formed on the lower spring plate (21), two double piezoelectric actuating sheets (28) extending upwards are respectively arranged at the lower sections of the opposite side surfaces of the connecting block (26) on two sides, a connecting block (29) is arranged between the double piezoelectric actuating sheets (28) on two sides in a spanning mode, and a gap is kept between the top surface of the connecting block (29) and the bottom surface of the vibration output body (30);

therefore, a small material vibration feeding device structure with uniform conveying vibration direction and speed is formed.

As for the practical use of the small material vibration feeding device of the present invention, as shown in fig. 5 and 6, it is mainly configured to elastically support the conveying body (35) on the base (20) by the lower spring plate (21) and the upper spring plate (23) which are overlapped, and to transmit vibration upward by the dual piezoelectric actuating sheet (28) and to amplify the vibration to generate vibration obliquely upward toward the conveying direction, thereby conveying the small materials along the conveying flow channel formed on the conveying body (35), and since the lower spring plate (21) is formed with a vibration excitation reed (278) and the vibration excitation reed (278) is connected to the dual piezoelectric actuating sheet (28) through the connecting block (26), the upper spring plate (23) of which most of the vibration is directed upward can be guided, so that the condition of the lower spring plate (21) of the vibration excitation vibration can be greatly reduced, thus, the phenomenon of vibration disorder is not caused, the problems of different conveying speeds at different positions in the conveying direction or vibration of the conveyed object towards other directions except the conveying direction are not caused, the uniformity of the conveying speed of the conveying body (18) or the stability of the conveying state of the small material is further improved, and meanwhile, the method can refer to fig. 13-16, namely, after the simulation is carried out through Computer Aided Engineering (CAE), the vibration excitation generated when the conventional small material vibration feeding device is operated can be obviously transmitted downwards to the lower spring plate (21') and the arrangement surface, and the method provided by the invention has the vibration excitation reed (278), the vibration of the vibration excitation can be transmitted to the upper spring plate, and the vibration is less transmitted downwards to the lower spring plate and the arrangement surface so as to achieve the effects.

In another embodiment of the present invention, as shown in fig. 7-9, the vibration feeding device is designed to have a bidirectional conveying direction, wherein a reverse vibration connecting block (245) is protruded from one end of an inner clamping plate (241) of a lower spring plate (21) and an upper spring plate (23) clamped and overlapped at two sides of the vibration feeding device, a reverse vibration transmitting elastic sheet (40) is relatively clamped on the reverse vibration connecting block (245) of the clamping plate (241) through a fifth locking member (41) and a clamping plate (410), the reverse vibration transmitting elastic sheet (40) is located at one side of the upper spring plate (23) different from the lower spring plate (21), the upper ends of the reverse vibration transmitting elastic sheets (40) at two sides are respectively locked at two ends of a reverse vibration output body (45) by using at least a sixth locking member (42) and a clamping plate (420), so that the vibration conveying direction of the reverse vibration output body (45) is opposite to the conveying direction of the vibration output body (30), so as to discharge the screened materials into a vibration-resisting conveying flow passage (451) and carry the materials in a vibration way opposite to the conveying direction of the conveying body (35) to achieve the effect of bidirectional conveying.

Furthermore, according to some embodiments, the lower spring plate (21), the upper spring plate (23) and the anti-vibration transmission spring (40) of the vibration feeding device can be overlapped on the same side according to actual requirements. As shown in fig. 10, a plurality of spring plates (23) are arranged on the outer side of the elastic anti-vibration transmission plate (40), so that the vibration frequency can be increased, and the vibration amplitude can be effectively reduced.

According to some embodiments, as shown in fig. 10 and 11, the lower spring plate (21) and the excitation reed (278) of the vibration feeding device may be of a separate structure [ non-integral structure ], and the excitation reed (278) may be disposed on both the inner side and the outer side of the lower spring plate (21), and the number of the excitation reeds (278) stacked on the same side is increased according to actual requirements, and furthermore, the connection block (29) of the vibration feeding device may further include an inertial connection block (291), and the excitation amplitude may be effectively increased and amplified by disposing the inertial connection block, so that the feeding efficiency thereof is improved.

According to some embodiments, as shown in fig. 12, the lower spring plate of the aforementioned vibration feeding device may form a through hole (270), and a through U-shaped groove (275) may be formed around the lower spring plate (21) adjacent to the through hole to form a vibration reed (278) having the through hole (270), and further, the other side opposite to the vibration reed (278) may have a through hole (279), so that the lower spring plate (21) may be generally square in shape and the middle thereof is provided with the vibration reed (278).

Through the structure and the operation description, the invention uses the design that the lower spring plate (21) of the small material vibration feeding device is provided with the excitation reed (278) on the U-shaped cutting groove (275), and through the connection of the excitation reed (278) with the connecting block (26) and the double piezoelectric actuating sheet (28), the excited vibration major part is guided to the upper spring plate (23) which points upwards, the situation that the excitation vibration is linked with the lower spring plate (21) can be greatly reduced, the situation that the excitation vibration is linked with the lower spring plate (21) is avoided, the conveying speed of the conveying body is not different at different positions in the conveying direction or the conveying object vibrates towards other directions except the conveying direction, the conveying posture of the small materials is prevented from being disordered, the conveying efficiency and the conveying quality are ensured, the conveying speed of the conveying body is kept uniform and stable, and the stability and the reliability of the conveying of the small materials are improved.

Claims

1. A small-sized material vibration feeding device is characterized in that lower spring plates extending upwards are respectively arranged at two ends of a base, the inner side surfaces, adjacent to the top ends, of the lower spring plates at two sides are respectively arranged at one end of a connecting block, the other ends of the connecting blocks at two sides are respectively provided with a double piezoelectric actuating piece extending upwards, the upper sections of the lower spring plates at two sides are respectively overlapped with an upper spring plate, the upper spring plates at two sides are overlapped at one side, different from the conveying direction, of the lower spring plate, the upper spring plates at two sides are respectively arranged at two ends of a vibration output body, the top surface of the vibration output body is connected with a conveying body with a conveying flow channel, the lower sections of the opposite side surfaces of the connecting blocks at two sides are respectively provided with a double piezoelectric actuating piece extending upwards, a connecting block is arranged between the double piezoelectric actuating pieces at two sides in a spanning mode, and a gap is kept between the top surface of the connecting block and the bottom surface of the vibration output body; the method is characterized in that:

2. A small-sized material vibration feeding device as set forth in claim 1, wherein: the lower spring plate is provided with a lower end part and an upper end part, the lower end parts of the lower spring plates on two sides are respectively locked at two ends of the base by utilizing at least one first locking piece after penetrating through a clamping plate, the upper end parts of the lower spring plates on two sides are respectively locked with an upper spring plate by utilizing at least one second locking piece and two opposite clamping plates, the upper spring plate is provided with a lower end part and an upper end part, the two opposite clamping plates of the second locking piece are clamped at the upper end parts of the lower spring plates and the lower end parts of the upper spring plates, and the upper end parts of the upper spring plates on two sides are respectively locked at two ends of a vibration output body by utilizing at least one third locking piece and one clamping plate.

3. A small-sized material vibration feeding device as set forth in claim 1, wherein: at least one lower spring plate and at least one upper spring plate are additionally overlapped on the same side of the lower spring plate and the upper spring plate of the vibration feeding device.

4. A small material vibration feeding device as defined in claim 1, wherein: a connecting block is arranged between the double piezoelectric actuating sheets on the two sides in a spanning manner.

5. A small-sized material vibration feeding device as set forth in claim 1, wherein: the excitation reed and the lower spring plate are of a separated structure.

6. A small-sized material vibration feeding device as claimed in claim 1 or 5, wherein: the excitation reed is arranged on the inner side or the outer side of the lower spring plate.

7. The small-sized material vibration feeding device as claimed in claim 6, wherein: the number of the excitation reeds overlapped on the same side is increased according to actual requirements.

8. A small-sized material vibration feeding device as defined in claim 4, wherein: the connecting block is connected with an inertia connecting block.

9. The small-sized material vibration feeding device as claimed in claim 6, wherein: the other end of the lower spring plate opposite to the exciting spring is provided with a through hole.

10. A small-scale supplies shake the feeder, there are lower spring plates extending upwards separately in a base both ends, and the inboard surface adjacent to top end of the lower spring plate of both sides locates one end of a connecting block separately, the other end of the connecting block of both sides has a pair of piezoelectric actuator plate extending upwards separately, the upper segment of the lower spring plate of both sides is overlapped with a upper spring plate separately, and the upper spring plate of both sides is overlapped on one side of the lower spring plate, the upper spring plate of both sides locates both ends of a vibration output body separately, and the top surface of the vibration output body connects the conveying body with conveying flow path, the lower segment of the relative side of connecting block of both sides has a pair of piezoelectric actuator plate extending upwards separately, and then the pair of piezoelectric actuator plate of both sides is spanned and equipped with a connecting block, the top surface of the connecting block keeps the interval with the bottom surface of the aforesaid vibration output body; the method is characterized in that: the lower spring plate is respectively locked on the upper section of the connecting block by a fourth locking part and is provided with a through hole for the fourth locking part to pass through, a through U-shaped groove is formed around the lower spring plate adjacent to the through hole, so that an excitation reed with a through hole is formed on the lower spring plate, the vibration feeding device is of a bidirectional structure, one side of the part, where the lower spring plate and the upper spring plate are overlapped at two sides, is provided with an upward extending anti-vibration transmission elastic sheet, the anti-vibration transmission elastic sheet is positioned at one side of the upper spring plate different from the lower spring plate, the upper ends of the anti-vibration transmission elastic sheets at two sides are respectively locked at two ends of an anti-vibration output body, and the anti-vibration output body can be connected with a reverse conveying flow passage, so that the fixed vibration conveying direction of the anti-vibration output body is opposite to the conveying direction of the vibration output body.