JP2002059491A - Apparatus for automatically separating bead from spacer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for automatically separating a bead from a spacer capable of alleviating an operator's man-power. SOLUTION: The apparatus for automatically separating the bead from the spacer comprises spacer retaining members 3 and 3 capable of being contacted with an upper part of the annular spacer 2, etc., between a plurality of the beads 1 and 1 suspended from lateral rods 20 and 20, and a lifting member 4 for deviating upper and lower positions of the beads 1 with respect to the spacer 2 by lifting the beads 1 from a bore side to release the beads 1 from the spacers 2. In this apparatus, the member 4 has recesses for receiving inner peripheral edges of the spaces 2 in an inserting state and protrusions for lifting inner peripheral edges of the beads to be formed in an alternately aligned pulse shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic bead / spacer separating apparatus for automatically peeling a bead and a spacer in contact with each other and supplying the bead to a tire molding machine.

[0002]

2. Description of the Related Art In the manufacture of tires, a plurality of beads are suspended from a horizontal bar of a bead stock device and stocked.
The beads are taken out one by one by a bead take-out device and supplied to a tire molding machine. At this time, spacers are interposed between the beads so that the beads have high adhesiveness and do not adhere to each other.

[0003]

However, although not as much as the beads, the beads and the spacers still adhere to each other,
The work may be interrupted because the bead cannot be removed or beads with spacers are supplied to the tire molding machine, so it is necessary for the worker to peel off the beads and spacers one by one. Was a burden.

Accordingly, an object of the present invention is to provide an automatic bead and spacer separating apparatus which can reduce the labor of an operator.

[0005]

In order to achieve the above object, an automatic bead and spacer separating apparatus according to the present invention separates a plurality of annular beads and annular spacers suspended alternately on a horizontal rod. An automatic separation device, a spacer holding member capable of contacting the upper portion of the spacer, and a push-up member that peels the bead and the spacer from each other by pushing up the bead from the inner diameter side and shifting the vertical position with respect to the spacer. The push-up member is formed in a pulse shape in which a concave portion in which the inner peripheral edge of the spacer is received in an inserted shape and a convex portion which pushes up the inner peripheral edge of the bead are alternately arranged. .

At this time, the width of each of the concave and convex portions of the push-up member is larger than the thickness of the spacer, and
It is set smaller than the thickness of the bead. Also,
The sum of the width of the recess and the width of the protrusion of the push-up member is substantially equal to the sum of the thickness of the spacer and the thickness of the bead.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

As shown in FIGS. 1 to 3, an automatic bead and spacer separating apparatus according to the present invention comprises an annular bead 1 and an annular spacer 2 suspended alternately on a plurality of horizontal rods 20 and 20 of a bead stock apparatus. Are separated from each other, and the spacer 2
Spacer pressing members 3 and 3 which can be brought into contact with the upper part of the head, and a lifting member 4 which lifts the bead 1 from the inner diameter side and shifts the vertical position with respect to the spacer 2 to peel off the bead 1 and the spacer 2 from each other. ing.

More specifically, reference numeral 5 denotes an inverted L-shaped support, and an L-shaped mounting member 7 is vertically mounted on a top surface of a tip of a cantilever 5a of the support 5 via a rotary drive unit 6. It is provided so as to be swingable around the center P. And this mounting member 7
The push-up member 4 is disposed on the vertical surface 8a side of the vertical column portion 8 via a cylinder 9 which can reciprocate up and down.

A cylinder 10 capable of reciprocating in the horizontal direction is provided on the upper surface of the vertical column portion 8 of the mounting member 7, and a vertical mounting plate 11 is provided at the rod end of the cylinder 10. A pair of left and right spacer pressing members 3, 3 are provided in a cantilever shape on the vertical surface 11a on the distal end side of the vertical mounting plate 11. The spacer holding member 3 is made of a plate material curved in an arc shape corresponding to the outer peripheral edge of the annular spacer 2, and a pair of the spacer holding members 3 are symmetrically arranged on the vertical mounting plate 11.

As shown in FIGS. 3 and 4, a notch 12 is formed at the lower edge of the vertical mounting plate 11 to allow the lifting member 4 to rise, and beads are formed on both left and right sides of the notch 12. Detection means 13, 13 capable of detecting 1 or spacer 2 are provided.

As shown in FIGS. 2 to 4, the push-up member 4 has a rectangular flat plate-shaped base 18 at the lower portion,
A concave portion 15 in which the inner peripheral edge 14 of the spacer 2 is received in an inserted manner;
The convex portion 16 that pushes up the inner peripheral edge 17 of the bead 1 is
Pulse shape (or comb shape) alternately arranged on the upper surface of 18
Is formed. In other words, vertical pieces are projected in parallel on the upper surface of the base 18 at an equal pitch, the vertical pieces are formed as convex portions 16, and the grooves between the vertical pieces are formed as concave portions 15.

At this time, the concave portion 15 and the convex portion 16 of the push-up member 4
Each width dimension W₁ , W_Two Is the thickness T of the spacer 2
₁ And the thickness dimension T of the bead 1_Two than
It is set small. Also, the width of the recess 15 of the lifting member 4
Dimension W₁ And the width W of the projection 16 _Two And the sum of
Thickness dimension T₁ And bead 1 thickness T_Two Equal to the sum of
It is bad. Specifically, the thickness dimension T of the spacer 2₁ 
Is 0.8mm to 1mm and the thickness T of the bead 1_Two Is 4mm-6
mm, the width dimension W of the concave portion 15 and the convex portion 16₁, W_Two Is
For example, each is 3 mm.

Next, the operation of the bead and spacer separating apparatus of the present invention in tire production will be described. First,
A plurality of beads 1 and spacers 2 are alternately suspended and stocked on a pair of horizontal rods 20, 20 of the bead stocking device. At this time, the beads 2 are prevented from sticking to each other by the spacers 2. The spacer 2 has an outer diameter larger than the bead 1 and an inner diameter smaller than the bead 1, and has an annular shape in which the hole is eccentrically arranged on the upper outer peripheral side.

As shown in FIGS. 1, 2, and 4 (a), the leading ends 21, 21 of the lateral rods 20, 20 move closer to the push-up member 4 (in the direction of arrow A). By stopping at the predetermined position, the upper portions of the beads 1... And the spacers 2... On the tip 21 side of the horizontal rod 20 move to a position between the pair of spacer pressing members 3 and 3 and the lifting member 4.

At this time, the vertical mounting plate is
11 to adjust the position of the detection means 13, 13
Hand to detect the bead 1 on the tip 21, 21 side transferred at 20, 20
By detecting at stages 13 and 13, the horizontal
The movement of the rods 20, 20 is configured to stop. Also,
Width W of recess 15 of push-up member 4₁ And the width W of the projection 16 _Two 
And the thickness T of the spacer 2₁ And bead 1 thickness
Dimension T_Two Is set approximately equal to the sum of
Press the positions of beads 1 ... and spacers 2 ... on the tip 21 side of
The predetermined position corresponding to the convex portions 16 and the concave portions 15 of the upper member 4
(The state shown in Fig. 4 (a))
You.

Thereafter, as shown in FIGS. 4 (b) and 5,
When the push-up member 4 is raised by the cylinder 9 being extended, the protrusions 16 of the push-up member 4 push up the beads 1 from the inner diameter side to shift the vertical position with respect to the spacers 2 so that the beads 1 and A gap S is formed between the spacer 2 and the spacer 2 and the spacers 2 are separated from each other. At this time, even if the spacer 2 in close contact with the bead 1 is going to rise, the upper outer peripheral edge of the spacer 2 is pressed by the spacer pressing members 3, so that the vertical position of the bead 1 with respect to the spacer 2 is surely shifted and separated. be able to.

Thereafter, the horizontal rods 20, 20 are retracted away from the lifting member 4, and the beads 1 suspended by the lifting member 4 are held.
And spacers 2 are alternately taken out by a bead supply device (for supplying beads to the tire molding machine) and a spacer take-out device. When all the beads and spacers are removed from the push-up member 4 and become empty, the horizontal rods 20, 20 approach and stop toward the push-up member 4 and several beads 1... Are separated from each other and are taken out by automatic handling.

[0019] The present invention is not limited to the embodiments described above, At a example lifting member 4, it is different from the width W ₂ of width W ₁ and the convex portion 16 of the recess 15 (e.g., recess 15 the width W ₁ of the larger than the width W ₂ of the convex portion 16) as may be. Further, the upper end surface of the convex portion 16 may be formed as an arc-shaped convex curved surface corresponding to the inner peripheral edge 17 of the bead 1.

[0020]

Since the present invention is configured as described above, the following effects can be obtained.

According to the first aspect of the present invention, the beads 1 and the spacers 2 suspended alternately by the horizontal rods 20, 20 are lifted by the lifting members 4.
, The bead 1 and the spacer 2 can be held in a suspended state separated from each other. Therefore, the operation of separating the bead 1 and the spacer 2 in the tire manufacturing process can be automated, and the labor of the operator can be reduced. According to the second aspect, only the spacer 2 can be inserted in the recess 15 of the push-up member 4. That is, the bead 1 does not fall into the recess 15.

According to a third aspect of the present invention, a plurality of closely spaced beads 1 and spacers 2 suspended from the horizontal rods 20 and 20 alternately.
And the positions of the convex portions 16 and the concave portions 15 of the lifting member 4 can be matched. Therefore, when the push-up member 4 is lifted, the plurality of convex portions 16 are connected to the inner peripheral edge 17 of the plurality of beads 1.
… And it can be pushed up by reliably contacting only.

[Brief description of the drawings]

FIG. 1 is a partially sectional side view showing an embodiment of an automatic bead and spacer separating apparatus according to the present invention.

FIG. 2 is a front view showing a bead and a spacer which are hung on a horizontal rod in a close contact state.

FIG. 3 is a partially sectional plan view showing a push-up member and a mounting structure thereof.

FIG. 4 is an operation explanatory view showing a state in which a bead and a spacer are separated from each other.

FIG. 5 is a front view showing a state where a bead and a spacer are separated from each other.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Bead 2 Spacer 3 Spacer holding member 4 Push-up member 14 Inner peripheral edge 15 Recess 16 Convex part 17 Inner peripheral edge 20 Horizontal rod W ₁ width dimension W ₂ width dimension T ₁ thickness dimension T ₂ thickness dimension

Claims (3)

[Claims] An automatic separating device for peeling an annular bead (1) and an annular spacer (2) suspended from a plurality of horizontal rods (20) alternately from each other, comprising a spacer pressing member (3) capable of abutting on an upper portion of the spacer (2). , 3 and a push-up member 4 that pushes up the bead 1 from the inner diameter side and shifts the bead 1 and the spacer 2 apart from each other by shifting the vertical position with respect to the spacer 2.
The push-up member 4 has a pulse shape in which a concave portion 15 in which the inner peripheral edge 14 of the spacer 2 is received in an inserted shape and a convex portion 16 that pushes up the inner peripheral edge 17 of the bead 1 are alternately arranged. An automatic separating device for a bead and a spacer, wherein the separating device is formed in a. 2. The width W ₁ , W _{2 of} each of the recess 15 and the protrusion 16 of the push-up member 4 is larger than the thickness T ₁ of the spacer 2 and is larger than the thickness T ₂ of the bead 1. 2. The automatic bead and spacer separating apparatus according to claim 1, wherein the size of the bead and the spacer is set to be small. 3. The width dimension W ₁ of the concave portion 15 of the lifting member 4 and the convex portion.
16 the sum of the width W ₂ of approximately equal claim 1 or 2 bead and the automatic separating apparatus of the spacer according to the sum of the thickness T ₂ of the thickness T ₁ and the bead first spacer 2.