JPH11301831A - Vibrating conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily adjust conveying speed and to efficiently convey articles with a low noise by using a linear motor as an excitation section horizontally exciting a trough conveying the articles, fixing one of a primary side and a secondary side to the through, and providing the other reciprocatably against the one side. SOLUTION: A linear motor 16 for vibrating a trough 7 supported on multiple support sections 11 having link mechanisms is fitted to the trough 7 to form a vibrating conveyor. Each support section 11 is constituted of two carriers 12, 12', a moving section 13 pivotally supported with the upper end section on the bottom face of the trough 6 by a hinge section J, and two connection sections 14, and the moving section 13 can be rocked to the right and left. The linear motor 16 is constituted of a secondary side member 17 fixed to the bottom face of the trough 7 and a primary side member 18 supported by a wheel 18a on it, and it excites the trough 7 in the horizontal direction when three-phase AC currents different in phase by 120 deg. are applied to three coils serving as the three poles of the primary side member 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration conveyor for transferring articles by vibration.

[0002]

2. Description of the Related Art In many cases, a vibrating conveyor for linearly transferring an article linearly vibrates a trough provided with a transfer surface in a slightly upward inclined direction toward the downstream side. It is transferred to the downstream side while repeating the jumping motion. However, when transferring a metal article, noise is generated when the object moves down to the transfer surface of the trough by a jumping motion, and when a fragile article is transferred, "cracking" or "chip" occurs.

In such a case, there is a reciprocating conveyor which reciprocates a trough in a horizontal direction and conveys articles by sliding motion. FIG.
1 shows a side view of a reciprocating conveyor 100 disclosed in Japanese Patent Publication No. 123812. The trough 150 in the shape of a trough is vibrated in the horizontal direction by the vibrating unit 110, and the articles in the trough 150 are transferred from left to right in FIG.

The trough 150 is arranged at equal intervals in the transfer direction between the trough 150 and the base 109, and the upper and lower troughs 150a, 153a,
3b, the trough 150 is supported by a plurality of vertical leaf springs 152 attached to the base 109, and the trough 150 is vibrated in the transfer direction (X direction).
Further, the trough 150 has two horizontal parallel portions between an angle 154 attached to the bottom surface on the upstream end thereof and an angle 114 attached to the vibrating portion 110 shown in FIG.
The two leaf springs 129 are integrally connected. The leaf spring 129 is compressed in its length direction, that is, in the transfer direction,
Although it shows rigidity in tension, it is easily deformed in the up-down direction (Y direction), and the coil spring 128 supporting the vibrating unit 110 described later.
In combination with the vertical component of the excitation force.

FIG. 23 is a plan view showing the vibrating section 110 and its vicinity, and FIG. 24 is [24]-[2] in FIG.
4] is a sectional view in the line direction. The vibrating unit 110 includes a pair of upper and lower vibrating mechanisms 131a and 131b, and is attached to the respective housings 111a and 111b. Further, the housings 111a and 111b are
27, and are supported by a plurality of coil springs 128 on the base 109.

Since the vibration mechanisms 131a and 131b are provided in a mirror-image symmetric relationship, the structure of the vibration mechanism 131a will be described. The first rotating shaft 135 is attached to the bearings 133a and 134a attached to the housing 111a.
The first unbalanced weight 136a having a large diameter and a semicircular shape is fixed to the first rotating shaft 135a. Similarly, the bearing 143 attached to the housing 111a
a and 144a support a second rotating shaft 145a, and the second rotating shaft 145a has a small semicircular second unbalanced weight 1
46a is fixed.

The motor 1 is mounted on the rear wall of the housing 111a.
21a is fixed, and a pulley 122a of its output shaft is fixed.
A belt 123a is wound between the pulley 137a and one end of the first rotating shaft 135a. A large-diameter gear 139a is attached to the other end of the first rotating shaft 135a, and the number of teeth attached to one end of the second rotating shaft 145a is one.
/ 2 small diameter gear 149. That is, the second rotation shaft 145a rotates in the opposite direction at twice the angular velocity of the first rotation shaft 135a. The above-described vibration mechanism 131a
The same reference numerals are given to the respective components of the other vibrating mechanism 131b corresponding to the respective components with the subscript b, and the description thereof is omitted.

[0008] Then, as shown in FIG.
31a, the first unbalanced weight 136a and the second unbalanced weight 14
6a is attached below the first rotation shaft 135a and the second rotation shaft 145a, and the first unbalanced weight 136b and the second unbalanced weight 146b of the other vibration mechanism 131b are First rotating shaft 135b, second rotating shaft 145
b, and are rotated in opposite directions by the electric motors 121a and 121b having the same characteristics. Therefore, as described later, the combined force of the components in the vertical direction (Y direction) by the vibration mechanisms 131a and 131b is always zero.

The conventional reciprocating conveyor 100 is constructed as described above, and its operation will now be described. In addition,
Although two first unbalanced weights 136a are attached to the vibration mechanism 131a, this is equivalent to a case where one first unbalanced weight 136a having twice the mass is attached at an intermediate position between the two. Therefore, for the sake of simplicity,
It is assumed that one unbalanced weight 136a is attached.
Similarly, it is assumed that one other unbalanced weight 136b having twice the mass is attached to the other vibration mechanism 131b.

Referring to FIG. 24, electric motors 121a and 121a
1b is synchronously rotated in the opposite direction, so that the first rotating shaft 135a is meshed with the first rotating shaft 135a in the clockwise direction via the belt 123a in one of the vibration mechanisms 131a by the gears 139 and 149. The rotation shaft 145a is rotated counterclockwise at twice the angular velocity. The other vibration mechanism 13
In 1b, the first rotating shaft 135b is rotated counterclockwise via the belt 123b, and the second rotating shaft 145b is rotated clockwise at twice the angular velocity.

That is, as shown in FIG. 25, the components in the X direction after t seconds of the centrifugal forces Fa and Fb of the first unbalanced weights 136a and 136b are represented by Fa _X = −Fasin (ωt ), Fb _X = −Fbsin
Because it is (.omega.t), their resultant force F _X is a _{F X = Fa X + Fb X} = -2Fasin (ωt). Similarly, the components in the X direction of the centrifugal forces fa and fb of the second unbalanced weights 146a and 146b are fa _x = fasin (2ωt) and fb _x = fb sin
A because (2.omega.t), their resultant force f _X becomes _{f X = fa X + fb X} = 2fasin (2ωt). Therefore, the total resultant force Q _{X in} the X direction is: Q _X = F _X + f _X = −2 Fasin (ωt) + 2fas
in (2ωt), and this Q _X vibrates the trough 150.

The first unbalanced weights 136a, 136b
The component in the Y direction after t seconds of the centrifugal forces Fa and Fb of
a _Y = −Facos (ωt), Fb _Y = Fbcos (ω
t), the resultant force F _Y is F _Y = F a _Y + Fb _Y = 0. Similarly, the centrifugal force f of the second unbalanced weights 146a and 146b is
a, respectively Y direction component of _{fb fa Y = -facos (2ωt)} , fb Y = fbcos
(2ωt), the resultant force f _Y is f _Y = fa _Y + fb _Y = 0. Therefore, the first unbalanced weights 136a, 136b,
Second unbalanced weight 146a, Y-direction resultant force Q _Y of the centrifugal force 146b is always zero. Q _Y = F _Y + f _Y = 0

That is, in the trough 150, only in the X direction, Q _X = F _X + f _X = −2 Fasin (ωt) + 2fas
The combined force of in (2ωt) vibrates the trough 150. FIG.
The graph A of in which the vertical axis of the exciting force in the X direction, the horizontal axis represents the time, exhibited a resultant force Q _X F _X, with f _X as F _X = 2f _X. The reciprocating conveyor 100 of the conventional example oscillates and forms a single mass system, and the resonance frequency is determined by the spring constant of the entire leaf spring 152 and the mass supported by the spring constant. the overall spring constant is sufficiently small, by vibrating the trough 150 at a frequency higher than the resonance frequency, the trough 150 is shown by a curve D shown by a broken line in FIG. 26 with a phase difference of the exciting force Q _X and 180 degrees Vibrates. The vertical axis in this case indicates the displacement of the vibration.
As can be seen from the curve D, the trough 150 moves forward at a low speed until the point p, and moves backward at a high speed from the point p to the point q.
This is conceptually shown in FIG. 26B. Focusing on the articles to be transferred, in the high speed reverse period between T _{1 and} T ₂ in FIG. 26A, only the trough 150 overcomes the static friction force with the articles and moves backward, so that the articles remain at the original position, Trough 1 during the low speed advance period between T _{2 and} T ₃
The article is transported by moving forward with the article.

In the above-described conventional vibrating section 110, the first unbalanced weights 136a and 136b and the second unbalanced weight 146 are used in order to vibrate the trough 150 only in the horizontal direction.
a, 146 are rotated at the predetermined timing as described above. In order to achieve this configuration, the vibration unit 110 is provided with a belt 123a, a gear 139, and the like.
Therefore, a gear noise or the like is generated as noise, and the structure of the vibrating unit 110 is complicated.

As a vibration conveyor for solving such a problem, the applicant of the present application has performed a linear motor drive using a linear motor as a drive source by simultaneously performing the pole number conversion and the polarity switching of the primary winding. Application for reciprocating conveyor (JP-B-54-35395). However, according to the present invention, it has been shown that there is a problem that a reaction force in a direction opposite to the vibration direction of the trough is transmitted to the foundation through a linear motor.
In Japanese Patent Application Laid-Open No. 4-35395, the trough is further divided into two parts, and a linear motor for driving the troughs is vibrated in opposite directions. However, in order to convey the articles on the trough, it is necessary to control to drive slowly in the forward direction and fast in the reverse direction, so that the reaction force of the two troughs is canceled out. Was not easy to control.

The reciprocating conveyor 100 described above is
The horizontal non-sinusoidal vibration is used to transfer the goods, and the magnitude of the vibration depends on the first unbalanced weight 136.
a, 136 b and a second unbalanced weight 146a, determined by the excitation force Q _X obtained by rotating the 146b, the magnitude of the excitation force Q _X, as described above, the first unbalanced weight 136a, 136b and the second unbalanced weight 1
The cycle is determined by the centrifugal force of the first and second unbalanced weights 146a and 146b and the second unbalanced weights 146a and 146b.
It is determined by the angular velocity of 121b. That is,
In the conventional reciprocating conveyor 100, in order to adjust the amplitude during driving, the angular velocity of the electric motors 121a and 121b and the centrifugal force of the first unbalanced weights 136a and 136b and the second unbalanced weights 146a and 146b are adjusted. It must be, but these cannot be adjusted arbitrarily with the structure as it is. That is, in the conventional vibration unit 110,
It is difficult to generate an arbitrary vibration waveform, so that it is not easy to adjust the transport speed, and it has not been possible to adjust the transport of the article efficiently.

The trough 1 of the reciprocating conveyor 100
The plurality of vertical leaf springs 152 that support 50 have a small spring constant but have a reaction force, so that vibration is transmitted to the ground. So, to solve this problem, for example,
In Japanese Patent Application No. 8-139520 filed earlier by the present applicant, the trough is supported by a support portion 39 as shown in FIGS.

FIG. 27 is a side view of the vibration conveyor 90, and FIG. 28 is an enlarged perspective view of the support portion 39. In addition,
The structure and operation of the vibrating section 110 of the vibrating conveyor 90 are the same as those of the above-described vibrating section 110 of the reciprocating conveyor 100.

In the support section 39, a pair of acute-angled triangular supports 41 are provided with a trough 150 interposed therebetween, and their bottom plates 43 are connected by a connecting member 44, and the bottom plates 43 are each installed by bolts 43b. It is fixed to the surface.

The support 41 is provided with a support member 42 having an upward flat surface at the upper end. The rod member 45 is inserted through the upward flat portion of the support member 42,
The upper support block 51 having an inverted mountain shape whose lower surface is obtuse when viewed from the side perpendicular to the transport direction X is screwed to the upper end of the rod member 45 and abuts on the upward flat surface of the support member 42, A rod member 45 is suspended from the support 41. Further, a double nut 45 t is screwed on the upper support block 51 at the upper end of the rod member 45. Further, a stopper 49 is provided on the upper flat surface of the support member 42 in contact with the upper support block 51 and inward.

The lower end portion of the rod member 45 is inserted through an upwardly U-shaped connecting member 50, and a lower supporting block 52 having a mountain-like shape having an obtuse upper surface when viewed from the side.
The connecting member 50 is attached to the lower end of the rod member 45 by being screwed to the lower end of the rod member 45 and abutting on the downward flat surface of the connecting member 50. Further, a double nut 45 t is screwed on the lower support block 52 at the lower end of the rod member 45. And the upper part is trough 15
The lower part of the inverted triangular support column 24 fixed to the bottom surface of the base member 0 is fixed to the connecting member 50, and the trough 150 is supported.

That is, the trough 150 is fixed to the connecting member 50 via the inverted triangular supporting column 24 attached to the bottom surface thereof, and the connecting member 50 is a lower support block screwed to the lower end of the rod member 45. When the vibration member 110 receives the vibration force from the vibration part 110, the rod member 45 swings right and left around the contact point between the upper support block 51 and the upwardly facing flat part of the support member 42 as a fulcrum, and the trough moves. 1
Support 50.

By using such a supporting portion 39,
Vibration is not transmitted to the ground by the reaction force of a spring such as a leaf spring. However, since the upper bearing block 51 and the lower bearing block 52 are made of steel, the trough 150
At the time of the vibration, there is a problem that the contact surface between the upward flat portion of the support member 42 and the downward flat portion of the connecting member 50 is worn, and furthermore, a metallic noise is generated at this time. Further, at the time of vibration, the vibration unit 110 generates the above-described vibration force of only the horizontal component, but the vertical component may be generated due to an assembly error or the like. In such a case, a vertical vibration component is directly transmitted from the trough 150 to the ground.

[0024]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has a simple structure, low noise, easy adjustment of a transfer speed, efficient transfer of articles, and vibration on an installation surface. It is an object to provide a vibrating conveyor that is hardly transmitted.

[0025]

SUMMARY OF THE INVENTION The above-mentioned problems are caused by at least a vibrating portion, a trough which is vibrated in a horizontal direction by the vibrating portion, and which conveys articles, and which almost completely displaces the trough in a vertical direction. A vibrating conveyor composed of a supporting portion that supports the trough without or without any vibration, wherein the vibrating portion is a linear motor, and one of a primary side and a secondary side of the linear motor is the linear motor. The other of the primary side and the secondary side of the linear motor, which is fixed to the trough and faces the one side with a predetermined gap, is provided so as to be reciprocally movable with respect to the one side. Solved by vibrating conveyor.

[0026] The above-mentioned problem is that at least the vibrating section,
A trough that is horizontally vibrated by the vibrating unit and transports articles, and a supporting unit that supports the trough with little or no vertical displacement of the trough. A vibrating conveyor, wherein the vibrating section is a linear motor, one of a primary side and a secondary side of the linear motor is fixed to the trough, and the linear section is opposed to the one with a predetermined gap. The problem is solved by a vibration conveyor characterized in that the other of the primary side and the secondary side of the motor is disposed on the installation surface via an elastic material or a vibration-proof material.

[0027] The above-mentioned problem is that at least the vibrating section,
A trough that is horizontally vibrated by the vibrating unit and transports articles, and a supporting unit that supports the trough with little or no vertical displacement of the trough. A vibrating conveyor, wherein the vibrating section is a linear motor, one of a primary side and a secondary side of the linear motor is fixed to the trough, and the linear section is opposed to the one with a predetermined gap. The problem is solved by a vibratory conveyor, characterized in that the other of the primary side and the secondary side of the motor is arranged on the ground.

By adopting such a structure, the vibration conveyor has a simple structure, is capable of efficiently transferring articles with low noise and high efficiency, and has a small transmission of vibration to the installation surface.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A linear motor is used as a vibration source for vibrating a trough supported by a support member which allows horizontal vibration, and one of a primary side and a secondary side of the linear motor is attached to the trough. The other, which is arranged with a predetermined gap with respect to one of them, is engaged with only one or the trough, and the other is arranged in the air so that the other can be moved in the opposite direction to the vibration of the trough. Vibrating conveyor. FIG.
FIG. 12A is a conceptual diagram of a vibration conveyor having this configuration. FIG. 12A shows a coil of a linear motor 73 ′ mounted on a trough 70 supported by a plurality of support members 75 that allow horizontal vibration. c is attached to the primary side 71 ', which faces the primary side 71' with a predetermined gap g '.
The secondary side 72 ′ is disposed in the air so that it can be engaged and move in a direction opposite to the vibration of the trough 70. FIG.
2B is a plurality of support members 7 that allow horizontal vibration.
The secondary side 72 'of the linear motor 73' is attached to the trough 70 supported by the coil 5, and the primary side 71 'provided with the coil c opposed thereto with a predetermined gap g ' is provided. It is disposed in the air so as to engage with the secondary side 72 ′ and move in a direction opposite to the vibration of the trough 70.

The vibration source for vibrating the trough supported by the support member that allows horizontal vibration is a linear motor, one of the primary side and the secondary side of the linear motor is attached to the trough, and the other side is mounted on the linear motor. The vibration conveyor is installed on the installation surface via an elastic body or a vibration isolator. FIG. 13 is a conceptual diagram of a vibration conveyor having this configuration. FIG. 13A shows a linear motor 73 mounted on a trough 70 supported by a plurality of support members 75 that allow horizontal vibration. A primary side 71 on which the coil c is disposed is attached, and a secondary side 72 facing the primary side 71 with a predetermined gap g is provided on an installation surface (in the figure, a plurality of sides) of an elastic body (or a vibration insulator). ) 74. In FIG. 13B, the secondary side 72 of the linear motor 73 is attached to a trough 70 supported by a plurality of support members 75 that allow horizontal vibration, and has a predetermined gap g. Opposing primary side 71
A coil c is provided on the mounting surface (a plurality of coils are provided in the drawing) via an elastic body (or a vibration isolator) 74. With such a vibration conveyor, the structure of the vibration source is easy, and since there is no gear or the like unlike the conventional one, there is almost no noise. Further, since the control is easy, the articles can be efficiently transported. Also, since the linear motor 73 as the vibration source vibrates the trough 70 due to being disposed on the installation surface via the elastic body (or vibration isolating material) 74, the reaction force generated when the linear motor 73 vibrates the trough 70 is generated by the elastic body 74. The reaction force is not transmitted to the installation surface. In this case, if the elastic material is a plate-like or a plurality of columnar rubbers, it can be easily disposed on the other of the primary side and the secondary side of the linear motor.

With such a vibration conveyor, the structure of the vibration source can be simplified and the noise can be reduced. Further, since the control is easy, the articles can be efficiently transported. Also, one of the primary side and the secondary side of the linear motor 73 is attached to the trough 70, and the other side is engaged with only one or the trough 70, so that the linear motor 73 can move in the air in a direction opposite to the vibration of the trough 70. Since the reaction force generated when the trough 70 of the linear motor 73, which is the vibration source, is vibrated is used as a force for moving the other in the air, the reaction force is transmitted to the installation surface. Never do.
Also, the primary side 71 ′ in B of FIG.
2 '.
In which the attachment member 20 and the inertial body 30 are not provided, that is, the primary side 7 attached to the trough 70.
The shape may be such that it is placed on one of the 1 ′ and the secondary side 72 ′. Further, as shown in FIG. 12, if an inertial mass 76 is provided on the other side of the suspension, even if it receives a reaction force, it stays at almost the same position. Further, the other of the suspended primary side 71 ′ and the secondary side 72 ′ may be engaged with the trough 70 so as to be suspended. However, in consideration of a manufacturing error or the like, the suspended primary side 71 ′ is not considered. Hanging the other of the 'and the secondary side 72' to one of them makes it easier to make the gap g ' generated between the primary side 71' and the secondary side 72 'a predetermined size. .

As the linear motor serving as the excitation source, any linear motor (for example, a known induction linear motor) can be used.
A high-density linear motor that simultaneously generates horizontal thrust by strengthening the magnetomotive force of the coil and the magnetomotive force of the permanent magnet at all the poles around which the coil is energized at the same time. If so, a larger thrust can be generated than in a known linear pulse motor, so that the trough can be vibrated greatly and the article can be transported reliably.

The supporting portion that allows the trough to vibrate in the horizontal direction includes a pendulum mechanism that hardly generates vertical vibration, and a certain restraining motion by connecting several elongated rods with a pin joint. There is a link mechanism configured to perform the operation, a linear guide that can be supported without any vertical vibration, and the like.

[0034]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a vibration conveyor 1 according to a first embodiment of the present invention, and FIG. 2 is a side view thereof. The vibrating conveyor 1 has a trough 7 supported by a plurality of (two shown in the figure) support portions 11 having a link mechanism, and attached to the trough 7,
The linear motor 16 is a vibration source for vibrating the trough 7. In the trough 7, a plurality of articles (not shown) are scattered.
Is transferred from left to right as shown by arrow f. The trough 7 in FIG. 1 is shown by a chain line so that the structures of the support portion 11 having the link mechanism and the linear motor 16 are clearly shown.

The support portion 11 includes two support members 12, 12 '.
And a movable portion 13 having an upper end portion 13 a rotatably fixed to the bottom surface of the trough 7 by a hinge portion J, and two connecting portions 14. The supports 12, 12 'have an inverted L-shape, and the bottoms 12b, 12b' are installed on the ground G as an installation surface. Supports 12, 1
The horizontal ends 12a, 12a 'of the 2' are aligned with the one ends 14a, 14a 'of the connecting portion 14, and the pins P are inserted therethrough to form hinges H, H'. On the other hand, the movable portion 13 has an inverted T-shape, and has a horizontal end portion 13b,
13b 'is the other end 14b, 14b' of the connecting portion 14.
To form hinge portions I and I ′. That is, as the hinges H, H ', I, and I' rotate, the movable part 13 swings right and left as shown by the one-dot chain line and the two-dot chain line in FIG. 13a
Can be moved in the left-right direction in the figure. Therefore, the trough 7, to which the horizontal portion 13a of the movable portion 13 is connected to the bottom surface, is swingably supported in the direction in which the articles are transported.

As shown in FIG. 2, the linear motor 16 of this embodiment has a secondary member 17 fixed to the bottom surface of the trough 7 and is supported on the secondary member 17 by wheels 18a. And the primary side member 18. The secondary member 17 includes a horizontal portion 17a and support portions 17b and 17b 'supporting both ends thereof, and has a U-shape with an opening facing upward. This horizontal part 17a
As shown in FIG. 1, a groove 17aa on which the wheel 18a is guided and slides (which extends in the longitudinal direction of the trough 7) is formed on the upper surface of the A plurality of teeth 17ab made of a magnetic material are arranged side by side at right angles to the direction in which the articles are transported. FIG. 3 is an enlarged view of FIG. 3. The wheels 18a of the primary member 18 of the linear motor 16 are fixed to a shaft (not shown), and are disposed with a horizontal portion 17a and a predetermined gap s . . Further, the primary side member 18 has three windings of the coils 19a, 19b, 19c.
FIG. 4 shows three poles U, V, W
As shown in FIG. 2, three thin plate-shaped permanent magnets M are disposed so that the same poles face each other. Note that this coil 19
To a, 19b, and 19c, different three-phase alternating currents are supplied by 120 degrees, respectively. Further, as shown in FIG. 3, the primary side member 18 has a block-shaped inertial body 30.
Are fixed via an attachment member 20. That is, 1
The secondary member 18 is disposed in the air away from the ground G, which is the installation surface.

The vibration conveyor 1 of the present embodiment is configured as described above. Next, this operation will be described. The linear motor according to the present embodiment is a high-strength linear motor.
No. vol. 36, No. 2 (1991), pp. 86-93, the operation of which will be described only briefly with reference to FIG.

For example, when a current flows through the coil 19a of the pole U in the direction shown in FIG. 4, a downward magnetic flux is generated by the current. Therefore, at the pole U, the downward magnetic flux generated by the permanent magnet M is strengthened, and the magnetic flux in the opposite direction is canceled. At this time, since the poles V and W are out of phase by 120 degrees and 240 degrees with respect to the pole U, current flows through the coils 19b and 19c in the directions shown in FIG. Therefore, in the poles V and W, the upward magnetic flux generated by the permanent magnet M is strengthened, and the magnetic flux in the opposite direction is canceled. Therefore, pole U,
At V and W, magnetic lines of force as shown in FIG. 4 are generated, that is, a magnetic attractive force is generated between the teeth 17ab of the secondary member 17 and the poles U, V and W of the primary member 18, and 1 The next member 18 moves to the left.

That is, the coil 19 of the linear motor 16
When an alternating current having a phase difference of 120 degrees is applied to each of a, 19b, and 19c, the poles U,
In the order of V and W, the magnetic attraction force instead of the tooth 17
This occurs between ab and poles U, V, and W, which causes the primary member 18 to move to the left. At this time, the primary member 18
Slides on the secondary member 17 via the wheel 18a, the reaction of the primary member 18 is received by the horizontal portion 17a of the secondary member 17. Accordingly, a force acts on the secondary member 17 to the right on the opposite side to the moving direction of the primary member 18. That is, the trough 7 to which the secondary member 17 is attached
Also accelerate to the right. At this time, the trough 7
The current of the coils 19a, 19b, and 19c is adjusted so that is slowly accelerated, that is, the primary member 18 that gives a reaction force thereto is slowly accelerated. Further, at this time, all the support portions 11 swing as indicated by the two-dot chain line in FIG. 2 to support the trough 7.

Next, the coils 19 applied to the poles U, V, W
a, 19b, and 19c are supplied with current in opposite directions. That is, in the order of the poles W, V, and U, a magnetic attraction is generated between the teeth 17ab of the secondary member 17 and the poles U, V, and W of the primary member 18 instead. Due to this magnetic attraction force, 1
The next member 18 moves rightward. Also at this time, since the horizontal portion 17a of the secondary member 17 receives the reaction force of the primary member 18, the trough 7 to which the secondary member 17 is attached is attached.
Moves leftward on the opposite side to the moving direction of the primary side member 18. At this time, the coils 19a and 19b are accelerated so that the primary member 18 can be quickly accelerated so that the trough 7 is accelerated to the left by a force that overcomes the static friction force of the article (only the trough 7 is retracted with respect to the article). , 19c. Further, at this time, all the support portions 11 swing as indicated by a dashed line in FIG. 2 to support the trough 7.

By repeating the above series of operations, that is, when the trough 7 moves in the same direction as the direction in which the articles are transported, slowly when moving in the opposite direction to the moving direction, only the trough 7 is used. Is retreated, the vibrating conveyor 1 of this embodiment vibrates, and transfers the articles on the trough 7 to the right.

In this embodiment, since the linear motor 16 is used as a drive source for horizontally vibrating the vibration conveyor 1,
An arbitrary thrust waveform can be generated, and an arbitrary vibration waveform can be obtained. Therefore, the articles on the trough 7 can be efficiently transported, and switching of the traveling direction, adjustment of the transport speed, and the like can be easily performed without a complicated configuration. Further, since the vibration conveyor 1 is vibrated by a magnetic attraction force that does not use gears, noise from the vibration conveyor 1 hardly occurs. Further, in the vibration conveyor 1 of the present embodiment, the vibration conveyor 1 is vibrated by using a reaction force generated by the movement of the primary member 18 of the linear motor 16. Therefore, one of the linear motors 16
The reaction force generated by the movement of the next side is not transmitted to the ground as the installation surface via the linear motor 16. Further, since the support portion 11 is used as a support portion for supporting the trough 7, noise can be further reduced and a reaction force is not transmitted to the installation surface. In the present embodiment, since the inertia body 30 is fixed to the primary member 18, the inertial body 30 is fixed to the direction opposite to the direction of vibration of the trough of the primary member 18 by the thrust generated by the linear motor 16. The movement is small, and the primary member 18 immediately contacts the support portions 17b, 17b 'of the secondary member 17,
There is no possibility that the vibration conveyor 1 cannot be horizontally vibrated.

Next, a description will be given of a vibrating conveyor 2 according to a second embodiment of the present invention. Parts similar to those of the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 5 is a perspective view of the vibration conveyor 2 of the present embodiment, and FIG. 6 is a side view thereof. The vibration conveyor 2 of the present embodiment has a plurality of support portions 21 as shown in FIG. 5 instead of the support portions 11 of the above embodiment, and a linear motor 26 instead of the linear motor 16. is there. In FIG. 5, the trough 7 is shown by a dashed line in order to clearly show the support portion 21 and the linear motor 26.

The support portion 21 has a pendulum mechanism, and a plurality of pairs are provided on the left and right sides of the trough 7. (Two pairs are provided in the figure.) The support portion 21 is provided with a bottom portion 22a.
And an inverted V-shaped support 22 supported on the ground, one end of which is pivotally connected to the apex of the support 22 by a pin P ′, and the other end of which is pivotally connected to a side wall of the trough 7 by a pin P ″. And a swing plate 23 suspended swingably.

On the other hand, as shown in FIG.
6 is a primary side member 28 fixed to the bottom surface of the trough 7.
And the secondary member 27 inserted through the primary member 28.
It is composed of 7 is an enlarged view of the linear motor 26, and FIG. 8 is a cross-sectional view taken along the line [8]-[8] in FIG. 6. The primary member 28 includes a horizontal portion 28a and a horizontal portion 28a. Supporting portions 28b, 28 supporting both ends
b ′, and has a U-shape with an opening facing upward. The upper surfaces of the support portions 28b and 28b 'are fixed to the trough 7, but they are arranged in parallel to the moving direction. Also, the support portions 28b, 28b '
Are wound with coils 19a, 19b, and 19c, respectively, and three thin plate-shaped permanent magnets (not shown)
Three poles U, V, W arranged so as to face the same pole
Are formed. As shown in FIG. 8, a roller 29a made of a non-magnetic material is embedded in the horizontal portion 28a of the primary side member 28 so that its upper part protrudes from the horizontal portion 28a, and slides on the secondary side member 27. We support as much as possible. The secondary-side member 27 has a substantially rectangular parallelepiped shape extending in the longitudinal direction of the trough 7, and has a shape parallel to the transfer direction of articles on the trough 7.
One side 27a has wheels 29b on its top and bottom.
Is provided with a groove 27aa in which is fitted. The wheel 29b is supported by a shaft 9 holding an upper end of the mounting portion 8. In the center, a plurality of teeth 27ab made of a magnetic material are formed so as to face the poles U, V, and W. The teeth 27ab and poles U, V,
A gap s ′ is provided between the wheel W and the wheel 29b by fitting the wheel 29b into the groove 27aa. Further, the secondary member 2
7 is provided with mounting members 20 'on both sides thereof, further comprising an inertia body 30' made of, for example, a metal block.
Has been fixed. That is, in this embodiment, 2
The next-side member 27 is disposed in the air away from the installation surface G.

The vibration conveyor 2 of the present embodiment is configured as described above. Next, this operation will be described. However, the driving principle of the linear motor 26 is the same as the driving principle of the linear motor 16 of the first embodiment, and a detailed description thereof will be omitted.

That is, the coil 19 of the linear motor 26
When an alternating current having a phase difference of 120 degrees is applied to each of the electrodes a, 19b, and 19c, the magnetic attraction force between the poles U, V, and W and the teeth 27ab is increased as described in the first embodiment. This causes the primary member 28 to move to the left.
Therefore, the trough 7 to which the primary side member 28 is attached moves to the left. At this time, the non-magnetic secondary member 27 engaged with the primary member 28 via the roller 29a and the wheel 29b generates a reaction force opposite to the thrust generated in the primary member 28. Receive and move to the right. At this time, the coil 19a is accelerated so that the trough 7 is accelerated to the left by a force that overcomes the static friction force of the article (only the trough 7 moves with respect to the article), that is, the primary member 28 can be quickly accelerated. , 19b, and 19c.

Next, the coils 19a, 19 of the poles U, V, W
b, 19c, the primary member 2
8 and the trough 7 to which it is attached move rightward, and the secondary member 27 moves leftward under the reaction force.
At this time, as the trough 7 accelerates slowly,
That is, the primary member 28 attached to the trough 7
Are slowly accelerated so that the coils 19a, 19b,
Adjust the current of 19c.

In this embodiment, as in the first embodiment,
By repeating the above series of operations, that is, when the trough 7 moves in the same direction as the article transfer direction, it slowly moves to the opposite side to the transfer direction.
Of the vibration conveyor 2 of this embodiment so that only
Vibrates to transfer the articles on the trough 7 to the right. At this time, all the support portions 21 are 1 in FIG.
The trough 7 is supported by swinging left and right as indicated by a chain line and a chain line.

In the vibration conveyor 2 of this embodiment, since the linear motor 26 is used as a driving source for horizontal vibration, any thrust waveform can be generated and any vibration waveform can be generated in the same manner as in the above embodiment. Obtainable. for that reason,
The articles on the trough 7 can be efficiently transported, and switching of the traveling direction, adjustment of the transport speed, and the like can be easily performed without a complicated configuration. Further, since the gears and the like are not used, almost no noise is generated from the vibration conveyor 2. Further, in the vibration conveyor 2 of the present embodiment,
The reaction force generated when the primary member 28 of the linear motor 26 that drives the linear motor 26 moves is disposed in the air so that the secondary member 27 can freely move in the direction of the trough. So that it is not transmitted to the installation surface. Further, by using the support 21 that supports the trough 7 as a support, noise can be further reduced and a reaction force is not transmitted to the installation surface.

Next, a third embodiment of the present invention will be described with reference to FIG.
11 to 11, the same parts as those in the above embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 9 is a perspective view of the vibration conveyor 3 of the present embodiment, and FIG. 10 is a side view of the same. The vibration conveyor 3 according to the present embodiment includes a plurality of support portions 31 as shown in FIGS. 9 and 10 instead of the support portions 11 and 21 of the first and second embodiments, instead of the linear motors 16 and 26. Is provided with a linear motor 36. Note that, also in FIG. 9, the trough 7 is indicated by a dashed line in order to clearly show the support portion 31 and the linear motor 36.

The support portion 31 of this embodiment is a linear guide, which comprises a fixed portion 32 disposed on the ground, a plurality of balls 34 which can be rotated and surrounded by a holding portion 35,
Above this, a movable portion 33 is provided slidably via a linear motion mechanism (not shown). For this purpose, for example, a U-shaped linear recess is formed on the bottom surface of the movable portion 33, and the ball 34 is thereby held in a left-right posture and is free to roll. Grease or the like may be supplied.

FIG. 11 is an enlarged view of the linear motor 36 of this embodiment. The linear motor 36 is mounted on a mounting surface via a primary member 38 fixed to the trough 7 and a vibration-proof rubber 40 made of an elastic material. The secondary side member 37 is fixed. The primary member 38 has a substantially rectangular parallelepiped shape made of a magnetic material, and the upper surface 38 a is attached to the trough 7. Below the primary member 18 of the first embodiment,
In the same manner as described above, the coils 19a, 19b, and 19c are wound, and three thin plate-shaped permanent magnets (not shown) are provided.
Three poles U, V, W arranged so as to face the same pole
Are formed. On the other hand, the secondary member 37 is provided at the center thereof with a groove 37a for loosely fitting the primary member 38 in a slidable manner, that is, the secondary member 37 has a concave cross section. ing. Further, a plurality of teeth 37ab are provided in the groove 37a so as to be arranged at right angles to the transport direction so as to face the primary member 38. A space s " is provided between the teeth 37ab and the primary member 38 by a wheel (or a linear guide) not shown.

The vibration conveyor 3 of this embodiment is configured as described above. Next, this operation will be described.

As in the above embodiment, the coils 19a, 19b and 19c of the linear motor 36 have a phase difference of 1 respectively.
When an alternating current of 20 degrees is applied, a magnetic attraction force is generated between the poles U, V, W and the teeth 37ab, whereby the primary member 38 moves to the left. That is, the trough 7 to which the one-side member 38 is attached moves to the left.
At this time, the secondary member 37 receives a reaction force in the opposite direction to the thrust generated in the primary member 38 via a wheel made of a non-magnetic material (not shown), and a force to move rightward acts. However, since the secondary member 37 is disposed on the installation surface via the rubber cushion 40, the reaction force received by the secondary member 37 is absorbed by the rubber cushion 40. In this case, the coil 19a is accelerated so that the trough 7 is accelerated to the left by a force that overcomes the static friction force of the article (only the trough 7 moves with respect to the article), that is, the one-side member 38 can be quickly accelerated. , 19b, and 19c. At this time, the movable parts 33 of all the support members 31
Swings as shown by a dashed line in FIG. Next, the coils 1 of the poles U, V, W
An electric current is applied to 9a, 19b and 19c in the opposite direction to move the primary member 38 and the trough 7 to which it is attached to the right. Also at this time, the secondary member 37 receives a reaction force, but this reaction force is absorbed by the vibration-proof rubber 40. In this case, the trough 7 is slowly accelerated, that is, the trough 7 is attached to the trough 7.
The coil 19 is moved so that the next member 38 is accelerated slowly.
a, 19b and 19c are regulated. Further, at this time, the movable portions 33 of all the support portions 31 swing as indicated by the two-dot chain lines in FIG. 10 to support the trough 7. By repeating such a series of operations, the vibrating conveyor 3 of this embodiment vibrates and transfers the articles on the trough 7 to the right.

In the vibration conveyor 3 of this embodiment, since the linear motor 36 is used as a driving source for horizontal vibration, any thrust waveform can be generated and any vibration waveform can be generated in the same manner as in the above embodiment. Obtainable. for that reason,
The articles on the trough 7 can be efficiently transported, and switching of the traveling direction, adjustment of the transport speed, and the like can be easily performed without a complicated configuration. Further, since the gears and the like are not used, almost no noise is generated from the vibration conveyor 3. Further, in the vibration conveyor 3 of the present embodiment,
Since the secondary member 37 of the linear motor 36 for driving this is disposed on the installation surface via the vibration isolating rubber 40, the secondary member 37 generated when the linear motor 36 vibrates the trough 7. The reaction force, that is, the vibration, is absorbed by the vibration isolating rubber 40 and does not transmit to the installation surface. Further, according to the support portion 31 of the present embodiment, the trough 7 can be supported without causing any vertical displacement of the trough 7.

Next, a fourth embodiment of the present invention will be described with reference to FIG.
6 to FIG. 19, the same parts as those in the above embodiment are denoted by the same reference numerals, and the detailed description of the configuration and operation is omitted.

FIG. 16 is a side view of the vibration conveyor 4 of the present embodiment, FIG. 17 is a front view, FIG. 18 is an enlarged perspective view of a main part of the support portion 60, and FIG. 19 is a support portion shown in FIG. FIG. 2 shows an exploded perspective view of a main part of the embodiment. The vibration conveyor 4 of the present embodiment includes:
Only the supporting portion is different from the vibration conveyor 1 shown in the first embodiment.

In the support portion 60 of this embodiment, a plurality of pairs of acute triangular supports 61 are provided along the length of the trough 7 with the trough 7 interposed therebetween (two pairs are shown in the figure). These bottom plates 63 are connected by a connecting member 64, and the bottom plates 63 are fixed to the ground with bolts 63b, respectively. A support portion 62 having a flat portion 62a is integrally formed on the upper end portion of the support 61. A hole 62aa is formed in the flat portion 62a of the support portion 62,
A rod member 65 described later is inserted through the rod member 65.
Has a diameter such that it can swing. And bearing part 6
A first elastic member 66a is placed on the second flat portion 62a, and the first elastic member 66a has, for example, a ring shape and is made of rubber. The threaded upper end of the rod member 65 is inserted into the hole 62aa formed in the plane portion 62a and the first elastic member 66a, and the upper end is double-inserted with the washer 68 interposed therebetween. Nut 65t
Are screwed onto the first elastic member 66a.

Below the trough 7, a downwardly U-shaped connecting member 67 extends parallel to the width direction of the trough 7,
The upper surface of the connecting member 67 is fixed to the bottom surface of the trough 7. At both ends of the connecting member 67 extending on both sides of the trough 7, holes similar to the holes 62aa formed in the flat portion 62a of the support portion 62 are provided.
It is formed so that the center is coincident with 2aa. A hole formed in the connecting member 67 and a first elastic member 66a
The second elastic member 6 which is formed of rubber, for example, has a ring shape and is provided in contact with the lower surface of the connecting member 67.
The threaded lower end of the rod member 65 is inserted into the rod member 6b, and the double nut 65t is connected to the second elastic member 66b with the washer 68 interposed therebetween as in the upper end portion.
It is screwed on again. That is, the trough 7 rides on the second elastic member 66 b attached to the lower end of the rod member 65 via the connecting member 67, and the second trough 7 attached to the upper end of the rod member 65. The one elastic member 66a is a flat portion 62a of the support 61.
It is suspended by abutting on it. The first and second elastic members 66a and 66b are in contact with the first and second elastic members 66a and 66b on the flat surface 62a of the support portion 62 of the support 61 and the lower surface of the connecting member 67. Stoppers 69a and 69b for restricting the inward movement of the trough are provided, respectively.

The support section 60 of this embodiment is configured as described above, and the operation will be described below. Linear motor 1
When the trough 7 vibrates in the horizontal direction by receiving the excitation force from 6, the first elastic member 66a and the second elastic member 66b in the support portion 60 are vertically deformed, so that the rod member 65 With the contact surface between the first elastic member 66a and the flat portion 62a of the support body 61 as a fulcrum, it swings right and left to support the trough 7. At this time, since the first and second elastic members 66a and 66b are made of, for example, rubber in the present embodiment, their respective flat portions 62a and connecting members 67
Abrasion and noise can be significantly reduced in the contact with the lower surface of the motor. In addition, the linear motor 16 to the trough 7
Even if the vibration of the vertical component is transmitted to the first and second elastic members 66a and 66b, the vibration of the vertical component can be absorbed. Further, FIG.
7. In the conventional support 39 shown in FIG. 28, if the lengths of the rod members 45 are not all the same, that is, if there is an error in the length of each rod member 45, the trough 150 is tilted back and forth and right and left. However, in this embodiment, the first and second elastic members 66a and 66b can absorb the error in the length of the rod member 65, and can keep the trough 7 horizontal.

Although the embodiments of the present invention have been described above, the present invention is, of course, not limited to these, and various modifications can be made based on the technical concept of the present invention.

For example, in the above embodiment, the linear motors 16, 26, and 36 having the driving principle of the high-density linear motor are used as the linear motors. However, other linear motors, such as a known linear induction motor, may be used. Or linear pulse motor (for example, Patent No. 1495069)
Or the like may be used. Further, in the above-described embodiment, a predetermined gap s 1, 2 is provided between the primary members 18, 28, 38 of the linear motors 16, 26, 36 and the secondary members 17, 27, 37.
s' and s " , for example, between the wheels 18
a and 29b are arranged. For example, as shown in FIG.
A groove 47b is provided in the upper surface of the side of the secondary member 47 having the teeth 47ab attached to the trough 7, and the reverse L of the primary member 48 having the coils 19a, 19b, 19c is provided therein.
The linear motor 46 is configured to maintain a predetermined gap g ″ by engaging an arm portion 48d having the following shape.
It may be.

FIG. 15 shows a second modification of the linear motors 16, 26 and 36 used in the above embodiment. The linear motor is shown as 56 as a whole,
7, a pair of guide rails 57b is formed near both sides, and its cross section is in the shape of a letter as shown in the figure.
Grooves 57ba extending in the longitudinal direction are formed on both side surfaces. Between the pair of guide rails 57b, teeth 57a made of a magnetic material are formed at the same pitch as the teeth 17ab of the above embodiment. On the other hand, a guide block 58a is integrally formed at each of the four corners of the primary member 58 having a rectangular parallelepiped shape as a whole. A fitting hole 58aa is provided. That is, the primary member 58
Are slidably engaged with the secondary member 57 at four positions on the guide rail 57b. In addition, the primary member 58 includes
The poles U, V, and W wound by the coils 19a, 19b, and 19c, respectively, are incorporated. In this variation,
The primary member 58 is guided in the vertical and horizontal directions by a guide rail 57b extending in the longitudinal direction of the guide block 58a. The driving principle is the same as that of the above embodiment, but more stable movement can be performed by up, down, left and right guides.

Further, the support portion of the above embodiment may have the same configuration as the configuration in which the linear motor 56 is guided in FIG. That is, in FIG. 15, a member indicated by reference numeral 57 having a guide rail 57b is a fixed portion, and a member indicated by reference numeral 58 provided at four corners with a guide block having holes 58aa engaged therewith is a movable portion. The fixing unit may be provided on the ground (via an elastic material or a vibration-proof material), and may be a supporting unit having a configuration in which the trough 7 is placed on the movable unit.

In the linear motors 16 and 26 of the first, second and fourth embodiments, the primary member 18 or the secondary member 27 not fixed to the trough 7
Mounting members 20, 20 'and inertial bodies 30, 30' were provided. In the above embodiments, the linear motor 1 is provided by providing the mounting members 20 and 20 'and the inertial bodies 30 and 30'.
6 or 26, the primary member 18 or 2
By reducing the acceleration generated in the secondary member 27 (second movement)
According to the law), the primary member 18 or the secondary member 27
The movement is made smaller with respect to the secondary member 17 or the primary member 28. However, if the mass of the primary member 18 or the secondary member 27 is sufficiently large, the attachment members 20, 20 'and the inertial bodies 30, 30' may not be provided.

In the third embodiment, the linear motor 36 is disposed on the mounting surface G via a thin rubber plate made of an elastic material so as not to transmit the vibration of the linear motor. A material or, for example, a plurality of coil springs may be arranged on the installation surface, and may be arranged over a plate or a sponge. In the above embodiment, the secondary member 3 of the linear motor 36
The trough 7 vibrates not only in the horizontal direction but also in the vertical direction as in the first embodiment and the second embodiment. When supported by the supporting portions 11 and 21 that allow the vibration, the components may be installed on the installation surface via the vibration-proof rubber 40.

In the fourth embodiment, the linear motor 16 is arranged in the air. However, as shown in FIG. 20, the linear motor 36 used in the third embodiment is used and its secondary side 37 is used. May be disposed on the ground G via a plurality of columnar elastic members 40 ′. Further, the support body 61 of the support portion 60 of the fourth embodiment has a triangular shape, but may have another shape, for example, a square shape as shown in FIG. Also,
In the fourth embodiment, the first and second elastic members 66a, 66a
Although 6b is made of rubber in a ring shape, it may be made of another shape, for example, a rectangular shape, or another material, for example, a synthetic resin such as urethane. Further, in the fourth embodiment, the connecting member 67 is mounted on the bottom surface of the trough 7, but may be mounted on the bottom surface of the secondary side 17 of the linear motor 16 as shown in FIG. In this way, the support portion can be installed compactly without protruding above the trough 7.

[0072]

As described above, according to the vibration conveyor according to the present invention, an arbitrary thrust waveform can be generated, an arbitrary vibration waveform can be obtained, the traveling direction can be switched, and the transport speed can be adjusted. Can be performed easily and with low noise without a complicated configuration. Further, the vibration of the vibration conveyor can be hardly transmitted to the installation surface on which the vibration conveyor is installed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vibration conveyor according to a first embodiment of the present invention.

FIG. 2 is a side view of the vibration conveyor according to the first embodiment of the present invention.

FIG. 3 is an enlarged perspective view of a linear motor used in the vibration conveyor according to the first embodiment of the present invention.

FIG. 4 is a schematic view showing the operation of the linear motor used in the vibration conveyor according to the first embodiment of the present invention.

FIG. 5 is a perspective view of a vibration conveyor according to a second embodiment of the present invention.

FIG. 6 is a side view of a vibration conveyor according to a second embodiment of the present invention.

FIG. 7 is an enlarged perspective view of a linear motor used in a vibration conveyor according to a second embodiment of the present invention.

8 is a sectional view taken along the line [8]-[8] in FIG.

FIG. 9 is a perspective view of a vibration conveyor according to a third embodiment of the present invention.

FIG. 10 is a side view of a vibration conveyor according to a third embodiment of the present invention.

FIG. 11 is an enlarged perspective view of a linear motor used in a vibration conveyor according to a third embodiment of the present invention.

FIG. 12 is a first schematic view of a vibration conveyor according to an embodiment of the present invention, wherein A shows a state in which a secondary side of a linear motor is suspended, and B shows a state in which the primary side of a linear motor is suspended. Indicates the status.

FIG. 13 is a second schematic diagram of the vibrating conveyor according to the embodiment of the present invention, in which A shows a linear motor whose primary side is fixed to a trough and whose secondary side is installed on an installation surface via an elastic body. B shows a state where the secondary side of the linear motor is fixed to the trough and the primary side is installed on the installation surface via an elastic body.

FIG. 14 is a perspective view showing a first modification of the linear motor used in the vibration conveyor of the present invention.

FIG. 15 is a perspective view showing a second modification of the linear motor used for the vibration conveyor of the present invention.

FIG. 16 is a side view of a vibration conveyor according to a fourth embodiment of the present invention.

FIG. 17 is a front view of a vibration conveyor according to a fourth embodiment of the present invention.

18 is an enlarged perspective view of a main part in FIG.

19 is an exploded perspective view of the enlarged perspective view shown in FIG.

FIG. 20 is a view showing a modification of the linear motor used in the vibration conveyor according to the fourth embodiment of the present invention.

FIG. 21 is a view showing a first modified example of the support portion used for the vibration conveyor according to the fourth embodiment of the present invention.

FIG. 22 is a side view of a conventional vibration conveyor.

FIG. 23 is a plan view of a vibrating section in a conventional vibration conveyor.

24 is a sectional view taken along the line [24]-[24] in FIG.

FIG. 25 is a diagram for generalizing and explaining the action of an unbalanced weight in a vibrating section of a conventional vibration conveyor.

FIG. 26 is a graph showing a time change of a trough displacement caused by an exciting force of an unbalanced weight.

FIG. 27 is a side view of another conventional vibration conveyor.

FIG. 28 is an enlarged perspective view of a main part in FIG. 27.

FIG. 29 is a view showing a second modification of the support portion used for the vibration conveyor according to the fourth embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Vibration conveyor 2 Vibration conveyor 3 Vibration conveyor 4 Vibration conveyor 7 Trough 11 Support part 16 Linear motor 17 Secondary member 17ab Teeth 18 Primary member 19a Coil 19b Coil 19c Coil 20 Mounting member 20 'Mounting member 21 Support portion 26 Linear Motor 27 Secondary member 27ab Tooth 28 Primary member 30 Inertial member 30 'Inertial member 31 Support part 36 Linear motor 37 Secondary member 37ab Teeth 38 Primary member 40 Anti-vibration rubber 60 Support part 66a First elasticity Member 66b Second elastic member 70 Trough 71 Primary side 71 'Primary side 72 Secondary side 72' Secondary side 73 'Linear motor 73 Linear motor 74 Elastic material 75 Support section 76 Inertial body c Coil f Article transfer direction g void g ' void g " void s void s' void s" void

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuji Kato 100 Takegahana-cho, Ise-shi, Mie Pref.

Claims (24)

[Claims] At least a vibrating portion, a trough vibrated in a horizontal direction by the vibrating portion to transfer an article, and a trough having little or no vertical displacement in the trough. A vibrating conveyor comprising a support section for supporting the trough, wherein the vibrating section is a linear motor, one of a primary side and a secondary side of the linear motor is fixed to the trough, A vibrating conveyor, wherein the other of the primary side and the secondary side of the linear motor facing each other with a gap therebetween is reciprocally movable with respect to the one. 2. The vibratory conveyor according to claim 1, wherein the support portion is a pair of front, rear, left, and right link devices. 3. The trough includes a support member supported on the ground, and a rocking plate having one end pivotally attached to the support member and the other end pivotally attached to a side wall of the trough. The vibration conveyor according to claim 1, wherein the vibration conveyor is provided in a pair of front, rear, left, and right sides. 4. The support unit includes: a support supported on the ground; a first elastic member mounted on an upper end of the support;
A rod member that penetrates the first elastic member, a connecting member that is fixed to the trough and penetrates the rod member, and a second member that penetrates the rod member and contacts the lower surface of the connecting member. It is made of an elastic member, and the upper end and the lower end of the rod member are threaded, and nuts are screwed and fastened to each of them, and a pair of front, rear, left and right of the trough is provided. The vibration conveyor according to claim 1, wherein 5. The vibration conveyor according to claim 4, wherein a washer is interposed between the nut and the first and second elastic members. 6. The vibration conveyor according to claim 4, wherein the nut is a double nut. 7. The vibrating conveyor according to claim 1, wherein a mass body for regulating a moving amount is fixed to the other side. 8. The vibratory conveyor according to claim 1, wherein the other is suspended from the one with the predetermined gap. 9. The supporting portion for supporting the vertical displacement with almost no displacement includes a pendulum mechanism, a link mechanism, a leaf spring, or a roller.
A vibration conveyor according to claim 8. 10. The supporting portion for supporting the vertical displacement without any displacement is any of a linear guide, a link mechanism, and a roller.
A vibration conveyor according to any one of the above. 11. The linear motor simultaneously generates the horizontal thrust by strengthening the magnetomotive force of the coil and the magnetomotive force of the permanent magnet at all of the poles around which the coil is energized at the same time. The vibration conveyor according to any one of claims 1 to 10, wherein the vibration conveyor is a high-strength linear motor. 12. At least a vibrating section, a trough vibrated in the horizontal direction by the vibrating section to transfer articles, and a trough with little or no vertical displacement in the trough. A vibrating conveyor comprising a support section for supporting the trough, wherein the vibrating section is a linear motor, one of a primary side and a secondary side of the linear motor is fixed to the trough, A vibrating conveyor, wherein the other of the primary side and the secondary side of the linear motor facing each other with a gap therebetween is disposed on an installation surface via an elastic material or a vibration-proof material. 13. The vibration conveyor according to claim 12, wherein the elastic material is a thin plate-like rubber or a plurality of columnar rubbers. 14. The vibratory conveyor according to claim 12, wherein the support portion is a pair of front, rear, left and right link devices. 15. The trough includes a support member supported on the ground, and a swing plate having one end pivotally attached to the support member and the other end pivotally attached to a side wall of the trough. 13. A pair of front, rear, left and right sides are provided.
Or the vibration conveyor according to claim 13. 16. The support unit includes: a support supported on the ground; a first elastic member mounted on an upper end of the support; a rod member inserted through the first elastic member; A connecting member fixed to the trough and penetrating the rod member, and a second elastic member penetrating the rod member and abutting against a lower surface of the connecting member; and an upper end portion of the rod member and The vibration according to claim 12 or 13, wherein a screw is cut at a lower end portion, and a nut is screwed to each of the lower end portion, and a pair of front and rear left and right sides of the trough are provided. Conveyor. 17. The vibration conveyor according to claim 16, wherein a washer is interposed between the nut and the first and second elastic members. 18. The vibration conveyor according to claim 16, wherein the nut is a double nut. 19. At least a vibrating portion, a trough vibrated in a horizontal direction by the vibrating portion to transfer articles, and a trough having little or no vertical displacement in the trough. In a vibrating conveyor comprising a support portion for supporting the trough, the vibrating portion is a linear motor, and one of a primary side and a secondary side of the linear motor is fixed to the trough, and the one side is fixed to a predetermined position. A vibrating conveyor, wherein the other of the primary side and the secondary side of the linear motor facing each other with a gap therebetween is disposed on the ground. 20. The vibratory conveyor according to claim 19, wherein said support portion comprises a pair of front, rear, left and right link devices. 21. The trough, comprising: a support member supported on the ground; and a rocking plate having one end pivotally attached to the support member and the other end pivotally attached to a side wall of the trough. 21. A pair of front, rear, left and right sides of
The vibration conveyor described in the above. 22. A support, comprising: a support supported on the ground; a first elastic member mounted on an upper end of the support; a rod member inserted through the first elastic member; A connecting member fixed to the trough and penetrating the rod member, and a second elastic member penetrating the rod member and abutting against a lower surface of the connecting member; and an upper end portion of the rod member and 20. The vibrating conveyor according to claim 19, wherein a screw is cut at a lower end portion, and a nut is screwed to each of the lower ends, and a pair of front and rear and left and right sides of the trough are provided. 23. The vibration conveyor according to claim 22, wherein a washer is interposed between the nut and the first and second elastic members. 24. The vibration conveyor according to claim 22, wherein the nut is a double nut.