JP4898880B2 - Link member for conveyor - Google Patents

Description

  The present invention belongs to a technical field related to a link member for a conveyor that constitutes a conveyor that conveys articles in an atmosphere having a special environment such as temperature.

  As a conveyor, for example, there is a conveyor that is installed in a dishwasher installed in a lunch center or the like and conveys articles made of tableware (tableware, food cans, tableware bowls, etc.). This conveyor passes through a path in which dishes are washed, rinsed, dried, etc., when the cleaning liquid containing alkaline and acidic cleaning agents is heated and sprayed at high pressure or hot air is sprayed in the dishwasher. Therefore, the environment such as temperature, humidity, and heat is placed in a special atmosphere.

  In this conveyor, an axis line is arranged in a direction orthogonal to the tableware transport direction, and a conveyor link member that connects adjacent conveyor shafts and is arranged in parallel in the tableware transfer direction at a constant interval. By passing the formed belt endlessly over the drive wheel and driven wheel via a chain, etc., call it a water-flowing structure suitable for washing, rinsing, drying, etc., a flight type with a ventilation structure, etc. A tableware transport line is provided. In order to provide the conveyor with durability under the special atmosphere described above, the conveyor shaft is formed of stainless steel, and the conveyor link member is formed of a synthetic resin material having heat resistance, weather resistance, and chemical resistance. Like to do. However, because the environment such as temperature, humidity, heat, etc. is considerably severe and it is easy to be shocked when colliding with tableware, the conveyor link member of the conveyor belt is deteriorated and damaged. There are situations where it cannot be completely prevented.

  Conventionally, as a conveyor installed in a dishwasher, for example, the one described in Patent Document 1 is known.

  In Patent Document 1, as shown in FIG. 8, a conveyor provided with a link member A for a conveyor provided with a connecting cylinder 2 into which a conveyor shaft B is inserted at both ends of a U-shaped plate-like main body 1. Is described. That is, the conveyor shaft B adjacent to the connecting cylinder 2 of the conveyor link member A is inserted, and one is connected to the connecting cylinder 2 of the conveyor link member A adjacent in the axial direction of the conveyor shaft B. Conveyor shafts B adjacent to the front and rear are respectively inserted, and conveyor link members A are arranged in a staggered manner with respect to the conveyor shaft B to form a belt.

  The conveyor according to Patent Document 1 allows the connection cylinder 2 of the link member A for the conveyor to function as a reinforcing portion for connection to the shaft B for the conveyor, so that the environment such as temperature, humidity, heat, etc. is durable in a special atmosphere. It aims at preventing deterioration and damage of the link member A for conveyors.

Japanese Utility Model Publication No. 61-154875

  In the conveyor according to Patent Document 1, although the connecting cylinder 2 of the conveyor link member A is functioning as a reinforcing portion for connection to the conveyor shaft B, the deterioration and damage of the conveyor link member A can be completely prevented. The actual situation is not possible. When the conveyor link member A is damaged, the damaged conveyor link member A including the undamaged conveyor link member A is pulled out from the end of the conveyor shaft B, and the end of the conveyor shaft B is pulled out. A repair work method is adopted in which the conveyor link member A exchanged from the section and the undamaged conveyor link member A are inserted. For this reason, the conveyor link member A which is not damaged must be pulled out and inserted, and there is a problem that it is troublesome to repair the deteriorated and damaged conveyor link member A.

  In order to solve this problem, the present inventors have cut out a part of the connecting tube 2 of the conveyor link member A to allow the conveyor shaft B to be pushed in and removed from the radial direction. Tried. However, the connection strength of the conveyor link member A to the conveyor shaft B is reduced, and food residue, dust, etc. are caught on the excised portion of the connection cylinder 2 of the conveyor link member A, which makes it unsanitary. New problems were identified.

  The present invention has been made in consideration of such problems, and can be easily repaired when it is deteriorated or damaged, the connection strength to the conveyor shaft does not decrease, and a sanitary problem occurs. It is an object of the present invention to provide a conveyor link member that does not occur.

  In order to solve the above-described problems, in the present invention, in a link member for a conveyor in which a connecting cylinder through which a conveyor shaft is inserted is provided at both ends of a plate-like main body, the connecting cylinder is cut in the axial direction and cut. An engaging protrusion and an engaging groove that are detachably engaged with each other are provided, and a thin-walled hinge is provided at a portion away from the cut surface, and is formed of a synthetic resin material.

  In this means, after the deteriorated and damaged conveyor link member is broken and removed from the conveyor shaft, the engagement protrusion and the engagement groove are released from the radial direction with respect to the conveyor shaft. After the connection cylinder is brought into contact, the engagement protrusion and the engagement groove are engaged, whereby the connection of the connection cylinder to the conveyor shaft can be completed. Further, the connecting cylinder connected to the conveyor shaft becomes a complete cylinder without a cut portion.

  In the present invention, the connecting cylinder employs means characterized in that the cut surfaces are located on the inner sides facing each other.

  In this means, the engaging projections and the cut surface provided with the engaging grooves, which are small concavo-convex structures, are positioned on the inner side where there is a low possibility of colliding with other members during storage and repair, and from the conveyor shaft. A cutting surface that may be detached is positioned on the inner side opposite to the detaching direction.

  Further, according to the present invention, the connecting cylinder is provided with an engaging projection on the upper half of the arc shape that is fixed to the main body, and is free from the upper half via a cutting surface and a hinge. An engagement groove is provided in the lower half of the circular arc shape.

  In this means, the engagement protrusion, which is a small convex structure that is easily damaged, is fixed to the main body via the upper half of the connecting cylinder.

  In the present invention, the connecting cylinder employs means characterized in that the cut surface is provided with an engagement protrusion and a seal surface extending in the radial direction from the base of the engagement groove and joined.

  In this means, the sealing surface prevents water or the like from entering the connecting cylinder through the cut surface.

  In the present invention, the engaging protrusion is provided with an arcuate guide surface on the outer peripheral side of the connecting cylinder, and the engaging groove is pressed on the outer peripheral side of the connecting cylinder by the guiding surface of the engaging protrusion. A means characterized in that a spring piece elastically deformed on the side is provided.

  According to this means, the engagement resistance of the engagement protrusion and the engagement groove is attenuated by the guide surface of the engagement protrusion and the spring piece of the engagement groove.

  The conveyor link member according to the present invention is a conveyor shaft in a state where the engagement protrusions and the engagement grooves are disengaged after the deteriorated and damaged conveyor link member is broken and removed from the conveyor shaft. After the connecting cylinder is brought into contact with the conveyor from the radial direction, the connection of the connecting cylinder to the conveyor shaft can be completed by engaging the engaging protrusion and the engaging groove, and the conveyor is not damaged. Since there is no need to pull out and insert the link member for use, there is an effect that it is easy to repair when it is deteriorated or damaged. In addition, since the connecting cylinder connected to the conveyor shaft has a complete cylindrical shape without a cut-out portion, the connection strength to the conveyor shaft does not decrease, and food residues, garbage, etc. are caught on the cut-out portion. There is an effect which does not cause such sanitary problems.

It is a perspective view of the 1st example of the form for carrying out the link member for conveyors concerning the present invention, and (A) and (B) show the different operation states. It is a perspective view from the opposite direction of Drawing 1 (A). It is an expanded sectional view of the principal part of Drawing 1 (A). FIG. 4 is a diagram showing a halfway state of engagement in FIG. 3. FIG. 4 is an engagement state diagram of FIG. 3. It is a front view which shows the usage example of FIG. 1, and the operation | movement which reaches to engagement is shown in order of (A)-(C). It is a perspective view of the 2nd example of the form for carrying out the link member for conveyors concerning the present invention. It is a perspective view which shows a prior art example.

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the link member for conveyors which concerns on this invention is demonstrated based on FIGS.

  FIGS. 1-6 shows the 1st example of the form for implementing the link member for conveyors which concerns on this invention.

  In the first example, a device that is installed in a tableware washing machine installed in a lunch center or the like and is applied to a conveyor that conveys articles made of tableware is shown.

  The 1st example consists of the link member A for conveyors connected with the shaft B for conveyors which comprises the belt of a conveyor similarly to the conveyor which concerns on patent document 1. FIG.

  As shown in FIG. 1, the link member A for the conveyor is provided with a connecting cylinder 2 through which the conveyor shaft B is inserted at both ends of the plate-like main body 1. In addition, the main-body part 1 and the connection pipe | tube 2 are integrally shape | molded by the synthetic resin materials which have heat resistance, weather resistance, and chemical resistance, such as a polypropylene.

  The main body 1 serves as a mounting surface for tableware, and a round protrusion-shaped detent 12 is provided in the center of a substantially rectangular plate-shaped plate portion 11 to align the tableware and prevent unnecessary movement. .

  The connecting cylinder 2 serves as a connecting portion to the conveyor shaft B, and is formed in a cylindrical shape so that the axis of the end portion of the plate portion 11 of the main body portion 1 coincides with the thickness direction of the plate portion 11. Is provided. This connecting cylinder 2 is a thin-walled hinge 3 which is cut in the axial direction by one cut surface extending radially inward from each other and thinned on the outside at a distance of approximately 90 degrees from the cut surface. The upper half 21 located on the plate 11 side of the main body 1 and the lower half 22 located on the lower side of the upper half 21 are provided substantially symmetrically. The upper half portion 21 is integrated with the plate portion 11 of the main body portion 1 and is in a fixed state. The lower half 22 is in a free state with respect to the upper half 21 via the cut surface and the hinge 3. In addition, the hinge 3 has elasticity which maintains the state which opened the lower half part 22 at least about 45 degree | times with respect to the upper half part 21 (state of FIG. 1 (A)).

  An engaging projection 4 is provided on the cut surface of the upper half 21 of the connecting cylinder 2.

  The engagement protrusion 4 is formed in a wedge-shaped ridge provided with a guide surface 43 from a base portion 41 raised on the cut surface via an engagement portion 42, and covers the entire length of the axial length of the connecting cylinder 2 on the cut surface. Is provided. The base 41 is formed in a tapered shape whose cross-sectional shape widens toward the cut surface, and ensures the overall strength of the engaging protrusion 4. The engaging portion 42 is formed in a stepped shape that is engaged with an engaging portion 52 of an engaging groove 5 described later. The guide surface 43 is located on the outer peripheral side of the connecting cylinder 2 and is formed in an arc shape.

  An engagement groove 5 is provided in the cut surface of the lower half 22 of the connecting cylinder 2.

  The engagement groove 5 is formed in a wedge-shaped concave strip provided with a spring piece 53 from a base portion 51 digged into the cut surface through an engagement portion 52, and is provided over the entire length of the axial length of the connecting cylinder 2 on the cut surface. It has been. The base 51 is formed in a tapered shape whose cross-sectional shape extends toward the cut surface corresponding to the base 41 of the engaging protrusion 4. The engaging portion 52 is formed in a stepped shape corresponding to the engaging portion 42 of the engaging protrusion 4. The spring piece 53 is located on the outer peripheral side of the connecting cylinder 2, and the lower part of the connecting cylinder 2 is elastically deformed to the outer peripheral side of the connecting cylinder 2 when the engaging portion 52 is pressed against the guide surface 43 of the engaging protrusion 4. The half portion 22 is formed in a single shape including a part thereof.

  On the cut surfaces of the upper half 21 and the lower half 22 of the connecting cylinder 2, seal surfaces 6 are provided along the inner peripheral side and the outer peripheral side of the connecting cylinder 2, respectively.

  The seal surface 6 extends to a portion of the cut surface excluding the base portion 41 of the engagement protrusion 4 and the base portion 51 of the engagement groove 5 so as to be closely joined to each other.

  According to the first example, when the conveyor link member A is deteriorated and damaged, the deteriorated and damaged conveyor link member A is removed from the conveyor shaft B, for example. When the conveyor link member A that has deteriorated or is damaged is related to the present invention, it is easily removed from the conveyor shaft B by releasing the engagement of the engagement protrusion 4 and the engagement groove 5. be able to.

  Thereafter, as shown in FIG. 6A, the conveyor link member A is lowered from above the conveyor shaft B.

  As a result, as shown in FIG. 6B, the upper half portion 21 of the connecting cylinder 2 of the conveyor link member A is locked to the conveyor shaft B.

  Thereafter, as shown in FIG. 6C, by engaging the engagement protrusion 4 and the engagement groove 5 of the conveyor link member A, the connection of the conveyor link member A to the conveyor shaft B is completed. Will do.

  Accordingly, it is not necessary to pull out and insert the conveyor link member A that is not damaged, so that it becomes easy to repair when it is deteriorated or damaged. In addition, since the connecting cylinder 2 connected to the conveyor shaft B has a complete cylindrical shape without a cut-out portion, the connection strength to the conveyor shaft B does not decrease, and food residue, garbage, etc., are removed from the cut-out portion. There will be no sanitary problems such as catching. In particular, the sealing surface 6 provided on the cut surface of the connecting cylinder 2 can reliably prevent food residues, dust, etc. from being caught or entering the engaging protrusions 4 and the engaging grooves 5.

  Furthermore, in the first example, since the cut surface of the connecting cylinder 2 is provided on the inner side, the engagement protrusion 4 and the engagement groove 5 are unexpectedly released due to deterioration and damage of the conveyor link member A. Even if it becomes (state of FIG. 6 (B)), it will not detach | leave from the shaft B for conveyors easily. Therefore, it is possible to prevent the deteriorated and damaged conveyor link member A from being detached from the conveyor shaft B and damaging the surrounding members. In addition, since the engagement protrusions 4 and the engagement grooves 5 which are small concavo-convex structures are located on the inner side where there is a low possibility of colliding with other members during storage and repair, the engagement protrusions 4 and the engagement grooves 5 are not expected. Can prevent damage.

  Furthermore, in the first example, as shown in FIGS. 4 and 5, when the engagement protrusion 4 and the engagement groove 5 are engaged, the spring piece 53 of the engagement groove 5 is formed on the guide surface 43 of the engagement protrusion 4. Therefore, the engagement resistance of the engagement protrusion 4 and the engagement groove 5 is attenuated, and the engagement is performed smoothly. In particular, since the guide surface 43 of the engagement protrusion 4 has an arc shape, the smoothness of the engagement portion 52 of the engagement groove 5 is good. Promote smoothness. The smoothness of the engagement between the engagement protrusion 4 and the engagement groove 5 facilitates the engagement operation of the engagement protrusion 4 and the engagement groove 5 between the narrow conveyor shafts B.

  Furthermore, in the first example, the engagement protrusion 4, which is a small convex structure that is easily damaged, is fixed to the main body 1 via the upper half 21 of the connecting cylinder 2, so that the conveyor link member A is stored. Unexpected damage to the engaging protrusion 4 can be prevented during repair.

  Furthermore, in the first example, since the hinge 3 enables slight elastic deformation of the connecting cylinder 2, the impact and pressure applied to the connecting cylinder 2 are absorbed by the elastic deformation. Therefore, durability of the connection with respect to the shaft B for conveyors of the connection cylinder 2 becomes high.

  FIG. 7 shows a second example of an embodiment for carrying out the conveyor link member according to the present invention.

  In the second example, the plate portion 11 of the main body portion 1 has a shape in which wide side portions 11b are provided at both ends of a thin plate-shaped central piece 11a.

  According to the second example, the main body 1 has a partially cut shape as compared with the first example, so that it is possible to reduce the main body 1 from blocking the jet of washing water or the like of the dishwasher.

  As described above, the present invention can be applied to a configuration in which the main body 1 is formed in a concave shape to stand and tilt the tableware (for example, see Utility Model Registration No. 3128251).

  Furthermore, it is also possible to adopt a configuration in which the engagement groove 5 is provided in the upper half portion 21 of the connecting cylinder 2 and the engagement protrusion 4 is provided in the lower half portion 22.

  The link member for a conveyor according to the present invention can be implemented by a conveyor installed in a food manufacturing machine other than the food washing machine or other equipment.

DESCRIPTION OF SYMBOLS 1 Main-body part 2 Connecting cylinder 21 Upper half part 22 Lower half part 3 Hinge 4 Engagement protrusion 43 Guide surface 5 Engagement groove 53 Spring piece 6 Sealing surface A Conveyor link member B Conveyor shaft

Claims (5)

  In a conveyor link member provided with a connecting cylinder through which a conveyor shaft is inserted at both ends of a plate-like main body, the connecting cylinder is cut in the axial direction and engages and disengages with a cut surface. A conveyor link member, characterized in that a groove is provided and a thin-walled hinge is provided in a portion away from the cut surface and is formed of a synthetic resin material.   The link member for conveyors of Claim 1 WHEREIN: The connecting cylinder is located in the inner side where a cut surface opposes mutually, The link member for conveyors characterized by the above-mentioned.   The link member for a conveyor according to claim 1 or 2, wherein the connecting cylinder is provided with an engaging protrusion on the upper half of the arc shape that is fixed to the main body, and a cut surface with respect to the upper half. A link member for a conveyor, wherein an engagement groove is provided in a lower half of an arc shape that is in a free state via a hinge.   The link member for conveyors according to any one of claims 1 to 3, wherein the connecting cylinder is provided with an engagement projection on a cut surface and a seal surface that extends in a radial direction from the base of the engagement groove and is joined. Link member for conveyor.   The link member for a conveyor according to any one of claims 1 to 4, wherein the engaging projection is provided with an arcuate guide surface on the outer peripheral side of the connecting cylinder, and the engaging groove is guided on the outer peripheral side of the connecting cylinder. A conveyor link member, characterized in that a spring piece that is pressed by a surface and elastically deforms on an outer peripheral side of the connecting cylinder is provided.

Images