KR19990021105A - Hook holding structure of chain for hanger product - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

Hook holding structure of chain for hanger product

2. The technical problem to be solved by the invention

Provided is a hook holding structure for a hanger product conveying chain that restricts rotation around a longitudinal axis of a hook of a hanger product and that can be stably held at a predetermined position of the chain.

3. Summary of Solution to Invention

A substantially V-shaped support surface (3A) which holds the hook (F) of the hanger product in a state in which rotation around the longitudinal axis is restricted to the outer plate (11) above the chain (2) which is circulated in an endless fashion in the horizontal plane. Install the hook holding part (3) formed.

4. Important uses of the invention

It is used in hook holding structure for conveying hanger goods in chains that are endlessly driven in a horizontal plane.

Description

Hook holding structure of chain for hanger product

The present invention relates to a hook holding structure for conveying hanger goods in a chain circulating endlessly in a horizontal plane.

Conventionally, a chain conveyor used to hold and convey a hook of a hanger product is arranged to circulate the chain in a horizontal plane, for example, with the chain pin vertically, to protrude the chain pin upwards from the outer plate upper surface, Hooks of hanger goods are hooked between adjacent chain pins. For example, as described in JP-A-6-72973, hanger goods sorting trolleys (hereinafter referred to simply as sorting trolleys). It is used when loading hanger products).

However, in the chain conveyor of the above-mentioned structure, compared with the hook diameter of the hanger goods formed with wire material, the space | interval between the chain pins which protrudes before and behind the outer plate which a hook is caught is large, and a hook is moved back and forth. Since it can move freely between chains, there was a problem that the hanger product rotates around the longitudinal axis during conveyance.

In addition, as described in the above-mentioned Unexamined-Japanese-Patent No. 6-72973, when the hanger goods are loaded by the sorting trolley from the chain conveyor, the lower side facing each of the plurality of hangers provided on the sorting trolley stopped at the loading position. Since the hanger goods are conveyed by the chain conveyor of the said structure in the position, and a hook of each hanger goods which hangs on the chain conveyor by the transfer mechanism is carried up to each hanger of the sorting trolley, and the hanger goods are hanger goods. If the hanger goods were not oriented when the hooks were lifted, there was a risk of impairing the loading operation.

Here, the present invention solves the problems in the prior art as described above, restricts the rotation around the hook longitudinal axis of the hanger product, and maintains the hook holding structure of the chain for hanger goods transport that can be stably maintained at a predetermined position of the chain It aims to provide.

1 is a plan view of a cargo loading conveyor to which the hook holding structure of the present invention is applied;

FIG. 2 is a side view of the sorting trolley on which hanger goods are loaded in the cargo loading conveyor shown in FIG.

3 is a sectional view seen from the direction of the arrow in the X-X ray position of FIG. 1,

4 is a perspective view of a hook holding portion for holding a hook of a hanger product on the outer plate in the first embodiment of the present invention;

5 is a side view of the hook holding portion shown in FIG.

6 is a plan view of the hook holding portion shown in FIG.

7 is a perspective view of a hook holding portion for holding a hook of a hanger product above the inner plate in the first embodiment of the present invention;

8 is a side view of the hook holding portion shown in FIG.

9 is a plan view of the hook holding portion shown in FIG.

10 is a perspective view of a hook holding part for holding a hook of a hanger product above an outer plate in another embodiment of the present invention;

11 is a perspective view of a hook holding portion for holding a hook of a hanger product above the inner plate in another embodiment of the present invention.

Explanation of symbols for the main parts of the drawings

1: cargo loading conveyor 2: chain

3, 3 ', 4, 4': Hook holding part 3A, 3 'C, 4A, 4'D: Support surface

3B, 4B, 4C: Pin Holes 3C, 4D: Screw Holes

4E: Cotton picker 5: Sorting trolley

6: running rail 7: hanger

7A: open cam face 8: chain guide

8A: Notch groove 9: Roller

10 inner plate 11 outer plate

12, 12A, 12B, 12C: chain pins 13, 15: set screw

14, 16: detection axis

In order to solve the said problem, the hanger goods conveyance chain of the present invention firstly restricts the rotation of the hanger goods around the longitudinal axis to the outer plate above the chain circulating in an endless shape in a horizontal plane. The hook retaining part is provided with a substantially V-shaped support surface held at.

In addition, the hanger product conveying chain of the present invention is, secondly, an upper inner plate upper portion which connects between these outer plates to respective upper outer plates adjacent to each other in the conveying direction of the chain circulating in an endless shape in a horizontal plane. A pair of hook holding portions opposed to each other in the upper surface of the hook holding portion, and the faceted portions formed on the upper portion of each of the ocean end sides of the hook holding portion maintain the hooks of the hanger products in a state in which the rotation of the hanger product is regulated around the vertical axis. It is to be configured.

In each said hanger goods conveyance chain, it is preferable that the hook holding part is formed integrally with the upper outer plate.

The hook of the hanger product is held on a substantially V-shaped support surface formed on the hook holding portion, and the rotation around the longitudinal axis is regulated, and the conveyance direction displacement with respect to the chain is regulated.

As a result, the direction of the hanger product is kept constant at the same time as the chain, and at the same time, it is stably held at a predetermined position of the chain and the shaking during conveyance is also reduced.

EXAMPLE

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described based on drawing. FIG. 1 is a plan view of a cargo loading conveyor used for loading hanger goods by a sorting trolley, and the hook holding structure of the present invention is applied to the cargo loading conveyor 1.

The cargo loading conveyor 1 has an endless chain 2 which is circulated and driven in one direction intermittently in a horizontal plane. Hook holding portions 3 and two sets of hook holding portions 4 are alternately provided on the upper surface of the chain 2 so that the hooks are held in accordance with the intermittent movement timing of the chain 2 at the carry-in end O. The hanger goods which are sequentially loaded on the sorting trolley on the parts 3 and 4 are hooked.

And these hanger goods are intermittently conveyed downstream to the conveyance pitch P of the linear traveling direction conveyance path A as conveyance pitch.

The traveling direction conveyance path A of the cargo loading conveyor 1 is parallel with the traveling rail 6 which the said sorting trolley 5 runs in the vicinity of the cargo loading position of the sorting trolley 5 shown in FIG. It is arrange | positioned near the diagonally downward of the running route of the sorting trolley 5. As shown in FIG.

In the sorting trolley 5, a plurality of hangers 7 are provided at the same interval as the interval T, and these hangers 7 hold the hooks F of the hangers on which the hanger goods W are held one by one, When the sorting trolley 6 runs to the designated sorting position, opening and closing is freely configured so that the hook F can be opened and the hanger product W can be separated.

Moreover, these hangers 7 open when the open cam surface 7A is pushed upward from the upper surface of the hook F, and the hook F again penetrates into the inside of the hanger 7 and is opened at the open cam surface 7A. It is closed again when it falls, and it is comprised so that hook F may be engaged.

The hanger spacing T of these hangers 7 shown in FIG. 2 and the conveyance spacing P of the hooks shown in FIG. 1 are approximately equal, and hanger goods which are sequentially sent from the carry-in end O of the loading conveyor 1 Is conveyed along the traveling direction conveyance path A and stopped at the position facing the hangers 7 of the sorting trolleys 5 stopped at the cargo loading position.

As shown in FIG. 3, the chain 2 travels inside the tubular chain guide 8 in which the cutout groove 8A is formed in the upper longitudinal direction. The roller 9 of the chain 2 is inserted and guided between both end faces, and the part which protrudes on both sides of the roller 9 of the upper inner plate 10 is notch 8A of the chain guide 8. The upper part of both sides is engaged and is supported.

In the vicinity of the traveling route of the chain 2 at the position opposite to each hanger 7, a cargo confirmation sensor S for optically detecting the hook of the hanger product conveyed to the chain 2 is provided. Cargo check sensor (S) is to confirm the presence or absence of the hanger goods to be sent to each hanger (7).

After the loading conveyor 1 stops, the unloading mechanism which is installed in the vicinity of the loading position together with the loading conveyor 1 is placed on the hook holding portions 3 and 4. Pull up the hooks F to push up the open cam surface 7A of each hanger 7 from the top of these hooks F, and engage and hold each hook F with the opposite hanger 7 The hanger goods W are loaded by the sorting trolley 5 of FIG.

The hook conveyance interval P of the hanger goods shown in FIG. 1 is an odd multiple of the pitch of the chain 2 (the spacing between the rollers 9), and the hook holding part 3 has the chain 2 While holding the hook at the position just above the center of the conveying direction of the outer plate 11, the hook holding portions 4 used in two sets are immediately above the center of the conveying direction of the inner plate 10. The hook is held on both sides in position.

The hook holding portion 3 is attached to the upper surface of the outer plate 11 on the upper side of the chain 2, as shown in FIGS. 4 to 6, so that the hook F of the hanger product is vertical axis. It has the substantially V-shaped support surface 3A which hangs in the state which controlled rotation of the circumference.

Of the chain pins used for the chain 2, the chain pin 12A at the position where the hook holding portion 3 is provided is formed longer than the other chain pins 12, and the upper outer plate 11 ) Is fitted into a pair of pin holes 3B which respectively penetrate the hook holding portion 3 in the vertical direction.

One of these chain pins 12A is clamped by a set screw 13 screwed into a screw hole 3C which cuts and penetrates through the pin hole 3B horizontally between both side surfaces of the hook holding portion 3, The hook holding portion 3 is fixed so as not to be separated from the chain 2.

On the side surface of the hook holding portion 3 toward the outer side of the circulation path of the hook holding portion 3, the detection shaft 14 for detecting the position of the hook holding portion 3 when the chain 2 is intermittently driven protrudes. It is.

The detection shaft 14 is detected by the detection means when the hook holding portion 3 passes the predetermined position of the circulation path of the chain 2, and is moved to the carry-in position A by the detection signal of the detection means. The conveyance timing of the downstream conveying apparatus which sends a hanger product is controlled.

Moreover, as shown in FIGS. 7-9, the said hook holding part 4 is supported by the position outer plate 11 adjacent to the conveyance direction of the chain 2, respectively, and these outer plate 11 A pair is provided so that it may oppose the lower side of the inner side plate 10 which connects between them.

The pair of hook holding portions 4 are each formed with a face recess C on the upper side of the opposite end side, and these face recesses each have a hook F of a hanger product to restrict rotation around the vertical axis. 4 A of substantially V-shaped support surfaces hold | maintained are comprised.

Of the chain pins used for the chain 2, the chain pin 12B and the chain pin 12C at the position where the hook holding portion 4 is provided are formed longer than the other chain pins 12, The pins 4B and 4C penetrate through the outer plate 11 and penetrate the hook holding portion 4 in the vertical direction, respectively.

The chain pin 12B inserted into the pin hole 4B formed on the side away from the supporting surface 4A of the hook holding portion 4 has a pin hole 4B between both side surfaces of the hook holding portion 4. Is fastened by a set screw 15, which is screwed into the screw hole 4D, which is cut out horizontally, and is fixed so that the hook holding portion 4 is not separated from the chain 2.

In addition, the detection axis 16 protrudes from the side face toward the outer side of the circulation path of the chain 2 of these pair hook holding parts 4 for the same purpose as the hook holding part 3 mentioned above, respectively.

As shown in FIG. 9, on the inner circumferential side of the circulation path of the chain 2 at the opposite ends of the pair of hook holding portions 4, these opposite ends do not interfere with each other when the chain 2 is bent in the horizontal plane. The face chamfering part 4E is formed so that it may be.

The hook retaining portion 3 shown in FIGS. 4 to 6 and the hook retaining portion 4 shown in FIGS. 7 to 9 are attached to the chain 2 as independent parts. These hook holding portions may be integrated with the upper outer plate 11 of the chain 2 and manufactured by machining with a metal block material or the like.

In addition, the hook holding portion 3 and the hook holding portion 4 are wound around the chain 2 without the detection shafts 14 and 16 attached thereto, thereby detecting the rotation of the sprocket and the like. You may make it control the conveyance timing of the upstream conveying apparatus which sends a hanger goods to the carry-in position A of the said.

Next, FIG. 10 shows another embodiment of the present invention, in which the hook holding portion 3 'of the same drawing is similar to the hook holding portion 3 shown in FIGS. 4 to 6 described above. The hook is held above the central portion in the conveying direction of the outer plate 11 of the chain 2.

In the present embodiment, the hook holding portion 3 'is composed of a plate piece 3'A serving as an upper outer plate of the chain 2 and a pair of upright pieces 3'B bent upward from both left and right sides thereof. In addition, the metal plate material is press-processed to be easily manufactured.

The hook of the hanger product is held on a substantially V-shaped support surface 3'C respectively formed on the upper end of the pair of upright pieces 3'B, so that rotation around the vertical axis is restricted.

Although not shown in the drawings, each of the hook holding portions 4 used in the two sets shown in FIGS. 7 to 9 described above, like the hook holding portions 3 'of FIG. Integrally, it can be produced by press working from a metal plate material.

Next, FIG. 11 shows another embodiment of the present invention, and as shown in FIG. 7 to FIG. 9 described above, the hanger product is located above the center of the conveying direction of the inner plate 10 of the chain 2. To hold the hook.

In FIG. 11, the hook holding part 4 'is a plate piece 4'A serving as an upper outer plate of the chain 2, and one end of the plate piece 4'A. The continuous piece 4'B which is covered to overlap and overlaps with the gap of the plate thickness of the outer plate 11 on the inner plate 10 adjacent to and a pair of upright pieces bent upward from both left and right sides thereof ( 4'C).

At the upper end of the pair of right-sided pieces 4'C, a substantially V-shaped support surface 4'D is formed, and the hook of the hanger product is hooked therein to keep the rotation around the vertical axis regulated. do.

Although not shown, at the free end side of the continuous piece 4'B, there is formed a hole for accommodating the chain pin 12 that slightly protrudes downward from the outer plate 11 below it, and the supporting surface 4 When the 'D' holds the hook of the hanger product, the free end side lower surface of the continuous piece 4'B is supported on the upper surface of the outer plate 11.

Moreover, the hole which accommodates the said chain pin 12 is a hole long in the width direction of the continuous piece 4'B, and it is made to allow the displacement of the chain pin 12 at the time of bending of the chain 2. .

The hook retaining portion 4 'in this embodiment is formed integrally with the outer plate by press working as in the embodiment of FIG. 10, and at the same time, the hook retaining portion 4 shown in FIGS. In 4), the structure was simplified by allowing two hooks to hold one hook.

As described above, when the hook conveyance interval of the hanger product is an odd multiple of the chain pitch, the hook holding part of the type holding the hook above the outer plate of the chain and the hook of the type holding the hook above the inner plate It is necessary to use two kinds of holding portions alternately. However, when the conveyance interval of the hook is an even multiple of the chain pitch, the hook holding portion may use only one type of holding the hook above the outer plate or above the inner plate. .

As described above, according to the invention described in the first embodiment of the present invention, since the hook of the hanger product is held in a state in which the rotation around the longitudinal axis is restricted on the substantially V-shaped support surface of the hook holding portion, The direction of the hanger product does not change, and the fluctuation of the hanger product during conveyance is also reduced.

Further, according to the invention described in the second embodiment, a pair of hook holding portions opposed to each other are provided on each of the upper outer plates adjacent to the conveying direction from above the upper inner plates connecting the outer plates, and the hook holding portions are provided. Since the facet portions formed in the upper portions of the opposite end sides of each of the portions constitute a substantially V-shaped support surface for hanging the hook of the hanger product, in addition to the effect of the invention of claim 1, the structure of the hook holding portion is not complicated. Instead, the hook of the hanger product can be held at an upper position of the inner plate.

According to the invention described in the third embodiment, since the hook holding portion is formed integrally with the outer plate, the number of parts constituting the chain is small and the number of assembling steps can be reduced, thereby reducing the manufacturing cost.

Claims (4)

On the outer plate on the upper side of the chain circulating endlessly in the horizontal plane, a hook retaining portion having a substantially V-shaped support surface for holding the hook of the hanger product in a state in which the rotation around the vertical axis is regulated is provided. The hook holding structure of the chain for conveying the hanger. In each of the upper outer plates adjacent to each other in the conveying direction of the chain circulating in an endless shape in a horizontal plane, a pair of hook retaining portions opposed to each other are provided on the upper inner plates connecting the outer plates. Hanger goods conveyance characterized in that the face-drilling parts formed in the upper end side of each hook holding | maintenance part comprise the substantially V-shaped support surface which hold | hangs the hook of a hanger goods in the state which regulated rotation about a vertical axis. Hook holding structure of the chain. The method of claim 1, A hook holding structure for a hanger product conveying chain, wherein the hook holding portion is formed integrally with the upper outer plate. The method of claim 2, A hook holding structure for a hanger product conveying chain, wherein the hook holding portion is formed integrally with the upper outer plate.