JP5046168B2 - Hanging conveyor - Google Patents

Description

  The present invention is a suspended conveying device that can convey a suspended object (for example, a plastic bottle, a preform, a syringe, a liquid food container, a drip container, etc.) having a locking flange on the top. In particular, the present invention relates to a suspended conveying device which is arranged at both end portions of a traveling rail provided so as to sandwich the conveying path of an object to be conveyed and which has an improved driving and driven sprocket around which a conveying chain is wound.

Conventionally, there are various types of suspension conveying devices of this type. For example, a bottle suspension conveying device as shown in Patent Document 1 has been created.
This is because a pair of transport chains that translate a pair of guide rails arranged opposite to each other along a transport line suspend and transport bottles, and the transport chains are connected to each other by connecting pins. The pin of the connecting pin that protrudes from the connecting link body and protrudes vertically from the connecting pin hole of the link body and the bottle supporting portion that hangs the bottle by supporting the flange portion protruding from the outer peripheral surface of the bottle protruding from the connected link body A link protrusion guide protrusion provided on the connecting pin, the guide rail is provided continuously with the link body guide groove and the link body guide groove. Is provided with a pin guide groove for guiding in a sliding state.

JP 2007-99405 A (see FIG. 1)

However, in the bottle hanging and conveying apparatus as described above, the conveying chain is wound between the driving sprocket and the driven sprocket which are horizontally arranged. The tooth portions of the driving and driven sprockets In each of the meshing portions with the conveyor chain, a slight play (gap portion) is provided in order to obtain a smooth meshing state.
Moreover, when the transport chain reaches the drive side sprocket or the driven sprocket part with the bottle suspended, the support chain is not supported by the guide rail, and the teeth of the drive side sprocket and the driven side sprocket. Just be supported.
For this reason, the transport chain meshes in a state where it is slightly moved downward due to the load from the bottle and is biased with respect to the tooth portions of the drive side sprocket and the driven side sprocket, and is suspended by the transport chain. Difficulty in adjusting the transport height of the bottle that has been lowered, and problems such that more wear powder is generated in the meshing portion of the transport chain that contacts the teeth of the driving and driven sprockets was there. As a result, the driving side sprocket and the driven side sprocket are quickly worn out, and the compatible mounting work must be frequently performed, resulting in a problem that the working efficiency is deteriorated.

Therefore, the present invention achieves the above-described problems and the like, and can provide a suspension conveying device that is simple in configuration, excellent in durability, easy to handle, easy to maintain, suitable for mass production, inexpensive, and economical. It was created to do so.
Thus, in the suspended conveyance device according to claim 1, the suspended object can be suspended and conveyed by using the locking flange 31 provided around the upper part of the conveyed object 30 , A traveling rail C arranged so as to sandwich the conveyance path of the object to be conveyed 30, a driving and driven sprocket A disposed at both ends of the traveling rail C, and the driving rail and the driven sprocket A are wound around the traveling rail. In the suspended conveying device provided with an endless annular conveying chain B that is mounted so as to be movable along C, the conveying chain B is constituted by connecting the chain single bodies B1 with a connecting pin, and the chain single body B1 A supporting protrusion 12 that is locked to the locking flange 31 of the object to be conveyed 30 protrudes from the front lower part of the front flange, and the upper surface of the supporting protrusion 12 is formed to be substantially horizontal. Is An inclined surface shape as the bottom surface is slanted upward toward the ring distal tip is formed to be gradually thinner toward the ring at the bottom of the drive and driven sprockets A, annular plate or A disc-shaped guide flange portion 3 is provided, and a part of the lower end portion of the transport chain B abuts on the upper surface of the guide flange portion 3 so that the teeth of the transport chain B in the axial direction of the drive and driven sprocket A Adopted a means to configure and maintain the alignment position.

  Further, in the suspended conveying device according to claim 2, the conveying chain B is formed with an engagement recess 13 in which the tooth portion 2 of the sprocket A can be engaged with the back surface of the chain unit B1. A locking upper protrusion 10 that slides in the locking groove 20 on the traveling rail C is projected upward at the upper part near the back surface of the chain unit B1, and the traveling unit is disposed at the lower part near the back surface of the chain unit B1. A locking lower protrusion 11 that slides in the locking groove 20 below the rail C projects downward, and a lower end surface of the locking lower protrusion 11 comes into contact with the upper surface of the guide flange 3. The means to configure was adopted.

  Furthermore, in the suspended conveying apparatus according to claim 3, the drive and driven sprocket A includes a metal sprocket body A1 having a tooth portion 2 and a resin flange body A2 having a guide flange portion 3. In addition, a means is adopted that is configured so that the flange main body A2 can be fixed to the lower end surface of the sprocket main body A1 via the mounting screw 5.

  And in the suspension conveyance apparatus of Claim 4, the said drive and driven sprocket A are metal sprocket main bodies A1 which have the tooth | gear part 2, and the guide flange part 3 distribute | arranged below this sprocket main body A1. And a means for fixing the flange main body A2 to a rotating shaft to which the sprocket main body A1 is fixed.

Therefore, according to the suspended conveying device of the first aspect, when the conveying chain B leaves the traveling rail C portion while suspending the object to be conveyed 30 and reaches the driving and driven sprocket A portion, the conveying chain B A part of the lower end portion of the guide comes into contact with the upper surface of the guide flange portion 3 so that the transport chain B can be reliably supported by the guide flange portion 3.
Therefore, the transport chain B does not move downward due to the load of the transported object 30 and can be smoothly meshed smoothly with the teeth 2 of the drive and driven sprockets A.
That is, it is easy to adjust the conveyance height of the object 30 that is suspended by the conveyance chain B, and the movement to the other conveyance device can be performed more smoothly, and the teeth of the drive and driven sprockets A can be adjusted. The wear powder generated in the meshing recess 13 of the transport chain B that contacts the portion 2 can be reduced.
As a result, the wear of the driving and driven sprockets A can be suppressed, and the compatible mounting work need not be frequently performed, and the work efficiency is improved.
In addition, it is possible to provide a hanging and conveying apparatus that is simple in configuration, excellent in durability, easy to handle, easy to maintain, suitable for mass production, inexpensive, and economical.
In addition, even when the transported object 30 is inclined in the transport direction, the lower surface of the support protrusion 12 is configured to be difficult to come into contact with the transported object 30, and damage to the transported object 30 itself can be prevented .

  Further, according to the suspended conveyance device of the second aspect, the lower end surface of the locking lower protrusion 11 abuts on the upper surface of the guide flange portion 3, so that the contact area is reduced, and the locking lower protrusion 11. It is possible to reduce the frictional resistance generated between the lower end surface of the guide and the upper surface of the guide flange portion 3. In addition, since the lower locking protrusion 11 protrudes from the lower part of the chain unit B1, the conveyance chain B can be supported without the guide flange portion 3 being greatly extended.

  Furthermore, according to the suspended conveyance device of the third aspect, the frictional resistance between the lower end surface of the locking lower protrusion 11 and the upper surface of the guide flange portion 3 can be further reduced. Moreover, the interchangeable mounting of the flange main body A2 can be easily performed, and maintenance is facilitated. And it becomes possible to attach the flange main body A2 also to the existing sprocket.

  According to the suspended conveyance device of the fourth aspect, the frictional resistance between the lower end surface of the locking lower protrusion 11 and the upper surface of the guide flange portion 3 can be further reduced. Moreover, the interchangeable mounting of the flange main body A2 can be easily performed, and maintenance is facilitated. And it becomes possible to attach the flange main body A2 also to the rotating shaft of the existing sprocket.

It is a partially-omission perspective view which illustrates the suspension conveyance apparatus of this invention. It is a perspective view which illustrates the sprocket of the suspension conveyance apparatus of this invention. It is a fragmentary sectional view which illustrates the hanging conveyance apparatus of the present invention. It is a fragmentary perspective view which illustrates the suspension conveyance apparatus of this invention. It is a fragmentary sectional view which illustrates the hanging conveyance apparatus of the present invention.

Hereinafter, the present invention will be described based on illustrated examples as follows.
The present invention is a suspended conveying device capable of suspending and conveying an object to be conveyed 30 (for example, a plastic bottle, a preform, a syringe, a container for liquid food, a drip container, etc.) having a locking flange 31 on the upper part. It is.
Specifically, the traveling rail C arranged so as to sandwich the conveyance path of the object to be conveyed 30, the driving and driven sprocket A arranged at both ends of the traveling rail C, and the driving and driven sprocket A are wound around And a transport chain B mounted so as to be movable along the traveling rail C.
Then, an annular plate-shaped or disk-shaped guide flange portion 3 is provided at the lower portion of the drive and driven sprocket A, and a part of the lower end portion of the transport chain B abuts on the upper surface of the guide flange portion 3. In this configuration, the meshing position of the conveying chain B in the axial direction of the driving and driven sprocket A can be set and maintained.

  The sprocket A is, for example, mounted on a drive sprocket A connected to a drive motor 9 and a base frame mounting shaft 7 which is appropriately mounted on a frame or the like via a nut 8 via a bearing 6 or the like. Driven sprocket A.

The drive and driven sprocket A includes a metal sprocket body A1 having a tooth portion 2 and a resin flange body A2 having a guide flange portion 3. A plurality of mounting screws 5 are provided on the lower end surface of the sprocket body A1. It is comprised so that the flange main body A2 can be fixed via. (See Figure 3)
The drive and driven sprocket A may be configured such that the flange main body A2 can be fixed to the rotating shaft to which the sprocket main body A1 is fixed. (Not shown)

The sprocket body A1 is made of, for example, a metal material as appropriate, and includes a boss portion 1 and a tooth portion 2 that is connected to the lower portion of the boss portion 1.
Moreover, in the case of the driven sprocket A, it is configured so that it can be rotatably mounted on the mounting shaft 7 via the bearing 6.
In the case of the drive sprocket A, the drive sprocket A can be fixed to the rotation shaft of the drive motor 9 or the rotation shaft of the speed reducer. In the drive sprocket A, the boss portion 1 may not be provided.

  The flange main body A2 is integrally molded, for example, appropriately with a synthetic resin material, and has a ring-shaped guide flange portion 3 and a thick annular ring integrally provided on the upper portion of the guide flange portion 3. The mounting portion 4 is fixed to the lower surface of the tooth portion 2 of the sprocket body A1 by a plurality of mounting screws 5. The attachment portion 4 is formed so as to provide a predetermined space between the tooth portion 2 and the guide flange portion 3. That is, the interval between the lower end surface of the tooth portion 2 and the upper end surface of the guide flange portion 3 is slightly smaller than the interval between the lower surface in the meshing recess 13 of the conveyance chain B, which will be described later, and the lower end surface of the locking lower protrusion 11. It is set to be large.

  The transport chain B is configured, for example, by connecting a plurality of synthetic resin chains B1 with metal connecting pins arranged in the vertical direction.

The chain unit B1 has, for example, a support protrusion 12 that is engaged with the engagement flange 31 of the conveyed object 30 at the front side of the lower part of the hook, and the back side of the chain unit B1 includes a sprocket A. An engagement recess 13 that can engage the teeth 2 is formed, and an upper locking piece 10 that slides in the engagement groove 20 on the traveling rail C is directed upward at an upper portion near the back surface thereof. A locking lower protruding piece 11 that slides in the locking groove 20 below the traveling rail C protrudes downward from a lower portion near the rear surface.
In addition, the lower end surface of the locking lower protrusion 11 is configured to contact the upper surface of the guide flange portion 3.
The supporting protrusion 12 is formed, for example, so that the upper surface thereof is substantially horizontal, and the lower surface thereof is formed in an inclined surface shape with the tip facing upward and obliquely upward. It is formed to become gradually thinner as it goes. That is, even when the object to be conveyed 30 is tilted in the conveying direction, the lower surface of the support protrusion 12 is configured to be less likely to come into contact with the object to be conveyed 30 to prevent damage to the object to be conveyed 30 itself. is there.

  For example, a metal material, a suitable synthetic resin material, or a suitable combination of these is used as the traveling rail C, and the back surface of the transport chain B is constricted and slidable on both side portions thereof. In addition, a recessed groove 20 is formed on the upper and lower surfaces of the recessed portion. In addition, the upper locking piece 10 and the lower locking protrusion 11 of the single chain B1 are accommodated in the locking groove 20 so as to be slidable.

  By the way, the specific configuration of the suspended conveying device, the specific configuration of the sprocket A, the shape, the dimensions, the material, the specific configuration of the sprocket main body A1, the shape, the dimensions, the material, the specific configuration of the flange main body A2, the shape, the dimensions, Material, means for attaching to the sprocket body A1, specific shape, dimensions, arrangement position of the boss part 1, specific configuration of the tooth part 2, shape, dimensions, arrangement position, specific configuration, shape of the guide flange part 3 , Dimensions, material, specific configuration of mounting portion 4, shape, dimensions, material, specific configuration of mounting screw 5, shape, dimensions, material, number, arrangement position, specific configuration of bearing 6, shape, dimensions, Material, number, location, specific configuration of mounting shaft 7, shape, dimensions, material, specific configuration of nut 8, shape, dimensions, material, location, specific configuration of drive motor 9, location , Specific configuration, shape and dimensions of transport chain B , Material, specific configuration, shape, dimensions, material, number of single chain B1, specific shape, dimensions, number, disposition position of locking upper protrusion piece 10, specific shape, dimensions of locking lower protrusion piece 11 , Number, arrangement position, specific shape, dimensions, arrangement position of support protrusion 12, specific configuration of tooth recess 13, shape, dimensions, arrangement position, specific configuration of travel rail C, shape, The dimensions, material, specific shape, dimensions, arrangement position, and the like of the locking groove 20 are not limited to those shown in the drawings, and can be freely set and changed as appropriate.

  Thus, in the suspended conveyance device of the present invention, the conveyance chain B is reliably supported by the guide flange portion 3, and the conveyance chain B does not move downward due to the load of the object to be conveyed 30. The tooth 2 can be smoothly and smoothly engaged, the adjustment of the conveyance height of the object to be conveyed 30 is easy, the movement to the other conveyance device becomes smoother, and the wear generated in the engagement recess 13 of the conveyance chain B Powder can be reduced, wear of drive and driven sprocket A can be suppressed, work efficiency is improved, simple structure, excellent durability, easy to handle, easy to maintain, suitable for mass production, inexpensive and economical It becomes.

A Sprocket A1 Sprocket body A2 Flange body 1 Boss part 2 Tooth part 3 Flange part 4 Mounting part 5 Mounting screw 6 Bearing 7 Mounting shaft 8 Nut 9 Drive motor B Transport chain B1 Single chain 10 Locking upper protrusion 11 Locking lower protrusion Fragment 12 Protruding piece 13 Supporting recess C Traveling rail 20 Locking groove 30 Conveyed object 31 Locking flange

Claims (4)

A traveling rail formed so as to be lowered transport suspending the transported object, is arranged so as to sandwich the conveyance path of the conveyed object by using the stop flange which is provided around the upper portion of the conveyed object, the running rail In a suspended transport device comprising a drive and driven sprocket arranged at both end portions of the motor, and an endless annular transport chain that is wound around the drive and driven sprocket and mounted so as to be movable along the traveling rail.
The transport chain is configured by connecting the single chains with a connecting pin, and a supporting protrusion that is locked to the locking flange of the object to be transported protrudes from the front flange of the single chain. The support protrusion is formed so that the upper surface thereof is substantially horizontal, and the lower surface thereof is inclined so that the tip is inclined upward toward the trap, so that the tip gradually becomes thinner toward the trap. Formed ,
An annular plate-shaped or disk-shaped guide flange is provided below the drive and driven sprockets, and a part of the lower end of the transport chain is in contact with the upper surface of the guide flange, so that the shaft of the drive and driven sprockets A suspended conveying device configured to set and maintain the meshing position of the conveying chain in the center direction.   The back surface of the chain itself is formed with a tooth recess that can be engaged with the sprocket teeth, and the upper part of the chain itself close to the back surface is slid in the locking groove on the running rail. The upper projecting piece protrudes upward, and the lower part of the chain unit near the back is provided with a lower locking projecting piece that slides in the locking groove below the running rail. The suspension conveyance device according to claim 1, wherein a lower end surface of the suspension member is configured to abut on an upper surface of the guide flange portion.   The drive and driven sprockets are composed of a metal sprocket body having teeth and a resin flange body having guide flanges, and the flange body can be fixed to the lower end surface of the sprocket body via mounting screws. The suspended conveying device according to claim 1 or 2, characterized in that.   The drive and driven sprockets are composed of a metal sprocket body having a tooth portion and a resin flange body having a guide flange portion disposed below the sprocket body, and a rotating shaft to which the sprocket body is fixed, 3. The suspended transfer device according to claim 1, wherein the flange main body can be fixed.

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