JP5050921B2 - CVT belt assembly jig and assembly method - Google Patents

Description

  The present invention relates to a technique for an assembly jig used for assembling a CVT belt and a method for assembling a CVT belt using the assembly jig.

  2. Description of the Related Art Conventionally, in a continuously variable transmission (CVT) used for automobiles and the like, a configuration in which power transmission inside the apparatus is performed by a CVT belt has been widely adopted. The CVT belt is composed of a metal laminated ring formed in a hoop shape (endless) and a plurality of metal elements.

Here, the configuration of a conventional general CVT belt will be described with reference to FIGS. FIG. 16 is a schematic diagram showing the configuration of the CVT belt according to the first conventional example, FIG. 17 is a schematic diagram showing the entire configuration of the element according to the first conventional example, and FIG. It is a schematic diagram which shows the lamination | stacking state of the element in the CVT belt which concerns on an Example.
As shown in FIG. 16, the conventional general CVT belt 51 is composed of two laminated rings 52, 53 and a plurality of elements 54, 54.

As shown in FIG. 16, the laminated rings 52 and 53 are hoop-like ring bodies formed by laminating a plurality of single-layer rings having different diameters.
As shown in FIGS. 16 and 17, the element 54 is a metal plate-like member, and a pair of groove portions 54 a and 54 b that open toward the outside of the element 54 are formed symmetrically with respect to the center line A of the element 54. Has been. The laminated rings 52 and 53 are inserted into the pair of grooves 54a and 54b, respectively.

  A dimple 56 is formed on the center line A of the element 54. The dimple 56 includes a convex dimple 56a that is formed to protrude from one surface (for example, the front surface) of the element 54, and a concave dimple 56b that is formed to be recessed on the other surface (that is, the back surface). .

  Then, as shown in FIG. 18, a plurality of elements 54, 54,... Are stacked in an annular shape to form a pair of annular grooves 55a, 55b outside the end face of the CVT belt 51. Is done.

  At this time, all the elements 54, 54,... (Ie, the front surface or the back surface) are all aligned, and the convex dimples 56a and the concave dimples 56b of the adjacent elements 54, 54 are all engaged. Yes. Thereby, the relative displacement of the adjacent elements 54 and 54 is regulated. However, the adjacent elements 54 and 54 can relatively rotate around the dimple 56.

  Then, the laminated rings 52 and 53 are inserted into the pair of annular grooves 55a and 55b from the outside of the end face of the CVT belt 51, and a plurality of elements 54, 54. The CVT belt 51 is configured by being held.

  As for such a conventional CVT belt having a general configuration, various assembling apparatuses and assembling methods have been developed for facilitating the assembling. For example, the technology is disclosed in Patent Document 1 shown below. Yes. In a conventional CVT belt having a general configuration, a groove portion (more specifically, an annular groove) that opens outward is formed in the laminated elements, and thus a laminated ring is inserted into the groove portion (annular groove). Work is relatively easy.

  In recent years, in order to improve the power transmission efficiency of the CVT, various CVT belts having new configurations different from the CVT belt having the general configuration described above have been developed.

As a CVT belt having a new configuration developed in recent years, for example, there is a CVT belt 1 having a configuration as shown in FIGS. FIG. 19 is a schematic diagram showing a configuration of a CVT belt according to a second conventional example, FIG. 20 is a schematic diagram showing an overall configuration of elements constituting a CVT belt according to a second conventional example, and FIG. It is a schematic diagram which shows the lamination | stacking state of the element in the CVT belt which concerns on the conventional 2nd Example.
As shown in FIG. 19, the CVT belt 1 is the same as the CVT belt 51 of the conventional general configuration in that it is composed of metal laminated rings 2 and 3 and a plurality of metal elements 4. is there.

As shown in FIG. 19, the laminated rings 2 and 3 are hoop-like ring bodies formed by laminating a plurality of metal single-layer rings having different diameters, like the conventional laminated rings 52 and 53 having a general configuration. It is.
As shown in FIGS. 19 and 20, the element 4 is a metal plate-like member like the conventional element 54. However, the shape of the element 4 is different from that of the conventional element 54, with respect to the center line B of the element 4. A pair of groove portions 4a and 4b are formed so as to be symmetrically opened toward the center line B side of the element 4 and arranged to face each other. And the concave part containing a pair of groove part 4a * 4b is made into the recessed part 4c.

  In addition, dimples 6 are formed on the center line B of the element 4 in the same manner as the element 54 having a conventional general configuration. The dimple 6 is composed of a convex dimple 6a formed so as to project on one surface (for example, the front surface) of the element 4 and a concave dimple 6b formed on the other surface (that is, the back surface). It is said.

  Then, as shown in FIG. 21, by laminating a plurality of elements 4, 4..., An annular groove 5 that is a set of continuous recesses 4 c is formed at a deepened position on the outer peripheral surface side of the CVT belt 1. It is configured. At this time, the orientations of the plurality of elements 4, 4... (That is, the front surface or the back surface) are all aligned, and the convex dimple 6a and the concave dimple 6b of the adjacent elements 4, 4 are engaged. . Thereby, the relative displacement of the adjacent elements 4 and 4 is restricted. However, it is possible for the adjacent elements 4 and 4 to rotate relative to each other about the dimple 6.

  Then, the laminated rings 2 and 3 are inserted into the annular groove 5 formed in the recessed position on the outer peripheral surface side of the CVT belt 1, and a plurality of elements 4, 4. Is held in an annular shape to constitute the CVT belt 1.

  As described above, in the CVT belt 1, the laminated rings 2 and 3 are inserted into the annular groove 5 formed at a deep position on the outer peripheral surface side of the CVT belt 1, and the laminated rings 2 and 3 are latched by the groove portions 4 a and 4 b. At the same time, by adjusting the overall width of the annular groove 5 so that the gap between the two laminated rings 2 and 3 is minimized, the two laminated rings 2 and 3 are in contact with each other, The two laminated rings 2 and 3 are configured not to drop off from the annular groove 5.

  That is, in the CVT belt 1, the operation of inserting the laminated rings 2 and 3 into the annular groove 5 formed at the deep position on the outer peripheral surface side of the CVT belt 1 is formed outside the conventional CVT belt 51. This is difficult compared to the operation of inserting the laminated rings 52 and 53 into the annular grooves 55a and 55b. Furthermore, since it is set as the structure which does not give margin as much as possible to the dimension of the two laminated rings 2 * 3 and the dimension of the annular groove 5 which inserts the laminated rings 2 * 3, the laminated ring 2 * The operation of inserting 3 is more difficult.

In addition, for the CVT belt 1 configured as described above, an assembling apparatus and an assembling method suitable for the CVT belt 51 having the conventional general configuration cannot be used, and an assembling process suitable for the CVT belt 1 is not possible. It was necessary to develop tools and assembly methods.
JP 2000-205345 A

  The present invention has been made in view of the present situation, and a CVT belt having a configuration in which an annular groove is formed at a deep position on the outer peripheral surface side of a CVT belt, and two laminated rings are inserted into the annular groove. In order to facilitate the assembly of the CVT belt, it is an object to provide an assembly jig suitable for the assembly of the CVT belt and an assembly method using the assembly jig.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  That is, in claim 1, a plurality of elements and two laminated rings are provided, and a pair of groove portions formed in line symmetry with respect to a center line of the elements are formed in the elements, The elements are stacked in an annular shape, and the plurality of elements are held in an annular shape by inserting the stacked rings into the pair of grooves, respectively, and the pair of grooves are opened toward the center line side of the elements, A method of assembling a CVT belt, in which outer end portions in the width direction of the respective laminated rings are hooked, wherein the laminated rings are arranged so as to overlap each other, and a gap between opposing end faces of the laminated rings is substantially constant. The stacking ring holding step of holding the posture of each stacking ring so as to be held at the same time, and at least one of the two stacking rings are twisted so that the twisting angles of the two stacking rings are different. The laminated ring twisting step to be performed and the laminated ring in which the twisted state in the laminated ring twisting step is maintained, the element is left with a predetermined number of elements among all the elements inserted into the laminated ring. And an element laminating step of sequentially inserting and laminating.

  In claim 2, the element insertion step of releasing the laminated ring twisted state after inserting the predetermined number of elements into the laminated ring in which the twisted state in the laminated ring twisting step is maintained. It is to be prepared.

  According to a third aspect of the present invention, the element laminating step is performed after the laminated ring holding step and the laminated ring twisting step.

  According to a fourth aspect of the present invention, the element insertion step is performed after the element lamination step.

  According to a fifth aspect of the present invention, a plurality of elements and two stacked rings are provided, and a pair of grooves formed symmetrically with respect to the center line of the elements are formed in the elements. The plurality of elements are held in an annular shape by laminating in an annular shape and inserting the lamination rings into the pair of groove portions, respectively, and the pair of groove portions are opened toward the center line side of the elements, An assembly jig for a CVT belt that hooks an outer end portion in the width direction of the ring, the lamination ring holding jig for holding the laminated ring, and the holding posture of the laminated ring, And an element insertion jig capable of inserting a plurality of elements together.

  According to a sixth aspect of the present invention, the laminated ring holding jig includes an adsorption portion that can adsorb the laminated ring on the holding surface of the laminated ring.

  According to a seventh aspect of the present invention, the laminated ring holding jig includes a spacer that divides the holding surface of the laminated ring.

  According to an eighth aspect of the present invention, the element insertion jig includes a laminated ring pressing portion that presses and twists the laminated ring, and an element pressing portion that presses the element and displaces the posture of the element with respect to the laminated ring. is there.

  In Claim 9, The said lamination | stacking ring press part is the lower part which the ring surface of the said one and other lamination | stacking ring contact | abuts the upper lamination | stacking ring press part to which the one end part in the width direction of said one lamination | stacking ring is hooked It consists of a laminated ring pressing part.

  11. The lower laminated ring pressing portion according to claim 10, wherein the first laminated ring pressing portion is in contact with the ring surface of the one laminated ring, and the second laminated ring holding portion is in contact with the ring surface of the other laminated ring. Is provided.

  As effects of the present invention, the following effects can be obtained.

  In claim 1, an annular groove is formed at a deep position on the outer peripheral surface side of the CVT belt, and two laminated rings are inserted into the annular groove. Insertion can be performed easily, and assembly of the CVT belt can be facilitated.

  According to the second aspect of the present invention, a predetermined number of elements can be aligned and easily inserted into the laminated ring, and assembly of the CVT belt can be facilitated.

  According to a third aspect of the present invention, an element having a shape that is open toward the center line side of the element and has a pair of grooves formed opposite to each other can be easily inserted into the two laminated rings.

  According to the fourth aspect of the present invention, a predetermined number of elements can be aligned and easily inserted into the laminated ring, and the CVT belt can be easily completed.

  According to the fifth aspect of the present invention, it is possible to easily assemble a CVT belt having a structure in which an annular groove is formed at a deep position on the outer peripheral surface side of the CVT belt and two laminated rings are inserted into the annular groove. .

  In the sixth aspect, the posture of the laminated ring can be easily maintained.

  In Claim 7, the clearance gap between two lamination | stacking rings can be ensured easily.

  According to the eighth aspect, the laminated ring and the element can be displaced to a desired posture with a simple configuration.

  In the ninth aspect, the element can be easily inserted into the laminated ring.

  According to the tenth aspect, the two laminated rings can be easily twisted while being held in a desired posture.

Next, embodiments of the invention will be described.
In the CVT belt assembling jig and method according to the present invention, an annular groove is formed at a deepened position on the outer peripheral surface side of the CVT belt as in the CVT belt 1 having the configuration shown in FIGS. Thus, the present invention is applied to a CVT belt having a structure in which two laminated rings are inserted into the annular groove, and is an assembly jig and an assembly method for facilitating the assembly of the CVT belt.
First, a method for disassembling a CVT belt, which is an embodiment of the assembling method of the present invention, will be described with reference to FIGS. FIG. 1 is a schematic diagram showing a first procedure of a CVT belt disassembling method, FIG. 2 is a schematic diagram showing a second procedure of a CVT belt disassembling method, and FIG. 3 is a schematic diagram showing a third procedure of a CVT belt disassembling method. FIG. 4 is a schematic diagram showing a fourth procedure of the disassembling method of the CVT belt.

As shown in FIG. 1, in the CVT belt 1 to which the assembling method of this example is applied, two laminated rings 2... Are formed in an annular groove 5 formed by laminating a plurality of elements 4. 3 is inserted. At this time, the respective laminated rings 2 and 3 are engaged with the respective groove portions 4a and 4b at the outer ends, and the inner ends are pressed against each other, whereby each laminated ring 2・ The displacement of 3 is controlled. That is, in this state, the laminated rings 2 and 3 cannot be removed from the annular groove 5.
Since the CVT belt 1 shown in FIG. 1 has the same configuration as the CVT belt 1 described with reference to FIGS. 19 to 21, a detailed description of the configuration of the CVT belt 1 is omitted.

Next, when a plurality of (for example, about 10 to 20) elements 4, 4,... Are rotated around the dimple 6 from the state shown in FIG.
In the present embodiment, for the sake of convenience of explanation, a case will be exemplified in which each element 4, 4... Is rotated in the clockwise direction in FIG. It is possible to remove the laminated ring in the same manner even if each element 4, 4... Is rotated counterclockwise.

2, when the plurality of elements 4, 4... Are rotated around the dimple 6, the upper laminated ring 2 in FIG. 2 is twisted while being held in the groove 4a.
On the other hand, the lower laminated ring 3 in FIG. 2 is twisted when the outer end thereof is pressed against the groove 4b of the elements 4, 4... But not pressed by the elements 4. Since the tension from the laminated ring 3 at the inner end of the laminated ring 3 acts, it is displaced obliquely upward to the left in FIG. 2 while coming out of the groove 4b.

Next, when a plurality of elements 4, 4... Rotated around the dimple 6 are pressed downward from the state shown in FIG. 2, the state shown in FIG. 3 is obtained.
As shown in FIG. 3, when the plurality of elements 4, 4... Rotated around the dimple 6 are pressed downward, the elements 4. 4, the engaged state by the dimples 6 and 6 can be released. As a result, the plurality of elements 4, 4... Rotated about the dimple 6 can be further displaced downward.

When the plurality of elements 4, 4... Rotated around the dimple 6 are further displaced downward from the state shown in FIG. 3, the upper laminated ring 2 in FIG. 3 moves downward while being held by the groove 4a. Be displaced.
On the other hand, the lower laminated ring 3 in FIG. 3 is no longer pressed by the elements 4, 4... By doing so, it comes out of the groove 4b completely, and the substantially constant position shown in FIG. 3 is maintained.

Next, when the plurality of elements 4, 4... Released from the engagement state by the dimples 6 and 6 are pressed against the inner peripheral surface side of the CVT belt 1 from the state shown in FIG. 3, the state shown in FIG. Become.
As shown in FIG. 4, when the lower portions of the plurality of elements 4, 4... Released from the dimples 6 and 6 are pressed toward the inner peripheral surface of the CVT belt 1, the upper layer in FIG. A plurality of elements 4, 4... Are displaced toward the inner peripheral surface of the CVT belt 1 within the range allowed by the tension received from the ring 2. At this time, the lower laminated ring 3 in FIG. 4 is completely pulled out of the recess 4c (that is, the annular groove 5), and the operator grasps and pulls out the portion of the laminated ring 3 that has come out of the annular groove 5. Thus, the laminated ring 3 can be pulled out from the annular groove 5. Thereby, the 1st lamination | stacking ring 3 is removed.

  And after removing the 1st lamination | stacking ring 3, since the space in the annular groove 5 is created, the lamination | stacking ring 2 can be displaced in the annular groove 5. FIG. Thereby, the 2nd lamination | stacking ring 2 can also be removed easily and the CVT belt 1 can be disassembled.

The above is the disassembling method of the CVT belt 1 in the assembling method of this example. In this assembling method, the CVT belt 1 can be assembled by performing the reverse procedure of this disassembling procedure.
However, when assembling the CVT belt 1 by the reverse procedure of the disassembling procedure, it is very difficult to assemble by relying on the skill of the operator without using a jig or the like. Therefore, in this assembling method, the assembling of the CVT belt 1 by the reverse procedure of the disassembling procedure can be easily realized by using the assembling jig.

Next, an assembly jig used for assembling the CVT belt 1 according to one embodiment of the present invention will be described with reference to FIGS. 5 is a schematic diagram showing the configuration and arrangement of the assembly jig, FIG. 6 is a schematic diagram showing the overall configuration of the laminated ring holding jig constituting the assembly jig, and FIG. 7 is an element insertion jig constituting the assembly jig. It is a schematic diagram which shows the whole structure.
As shown in FIG. 5, the assembly jig 11 used for assembling the CVT belt 1 includes a laminated ring holding jig 12, 12... And an element insertion jig 13.
The laminated ring holding jigs 12, 12... Are jigs that perform the function of holding the laminated rings 2 and 3, and the number required to appropriately hold the laminated rings 2 and 3 is the number of laminated rings 2 and 3. It is arranged at a place suitable for appropriately holding.

As shown in FIG. 6, the laminated ring holding jig 12 includes a base portion 12a, a holding portion 12b, a hooking portion 12c, and a spacer 12e.
The base part 12a is configured to be fixed on a base table 25 for assembling the CVT belt 1, and is a part that detachably supports the holding part 12b on the base part 12a.

  The holding part 12b is a part that is detachably supported on the base part 12a, and has a holding surface 12d. Further, the holding surface 12d is provided with a suction portion 12g. The adsorbing part 12g has a function of adsorbing and holding the laminated rings 2 and 3 by, for example, a magnetic force by an electromagnet or the like or an attraction force by a suction cup or the like. Further, a spacer hole 12f is formed in the center of the holding surface 12d in the vertical direction in FIG. 6, and the spacer 12e can be inserted into the spacer hole 12f.

That is, in the assembling jig 11 according to the present invention, the laminated ring holding jigs 12, 12... Are configured to include the suction portion 12 g on the holding surface 12 d of the laminated rings 2 and 3.
With such a configuration, the laminated rings 2 and 3 can be easily held in a desired posture.

  When the spacer 12e is inserted into the spacer hole 12f by the holding surface 12d and the laminated rings 2 and 3 are held with the spacer 12e protruding from the holding surface 12d, the spacer 12e is inserted into the laminated ring 2 and the laminated ring 3. The laminated rings 2 and 3 can be held. Thereby, in the holding part of the laminated rings 2 and 3 by the laminated ring holding jig 12, a certain gap or more can be secured between the laminated ring 2 and the laminated ring 3. In other words, it is possible to prevent the laminated ring 2 and the laminated ring 3 from overlapping each other at the holding portion of the laminated rings 2 and 3 by the laminated ring holding jig 12.

  That is, by holding the laminated rings 2 and 3 by a plurality of laminated ring holding jigs 12, 12..., The width of the laminated rings 2 and 3 (dimension W 1 shown in FIG. 1) is substantially constant (ie, While maintaining the thickness of the spacer 12e), the posture can be easily maintained. In this embodiment, an example is shown in which three laminated ring holding jigs 12, 12,... Are used and the laminated ring holding jigs 12, 12,. However, the number and arrangement of the laminated ring holding jigs 12 can be set as appropriate according to the size of the laminated rings 2 and 3, and the assembly jig 11 according to the present invention is attached to the laminated ring holding jig 12. It is not limited by the number or arrangement.

That is, in the assembling jig 11 according to the present invention, the laminated ring holding jigs 12, 12... Have a spacer 12 e that divides the holding surface 12 d of the laminated rings 2 and 3.
With such a configuration, a gap between the two laminated rings 2 and 3 can be easily secured.

  As shown in FIG. 5, the element insertion jig 13 is a part for inserting the elements 4, 4... Into the laminated rings 2, 3 held by the laminated ring holding jigs 12, 12. Are disposed at the last insertion position (final insertion site X) of the elements 4, 4,. And, in order to facilitate the insertion of the elements 4, 4... By the operator, the function of changing the holding posture of the laminated rings 2 and 3 by partially displacing the laminated rings 2 and 3 is achieved. This is a jig that performs a function of pressing and fitting a plurality of elements 4, 4... According to the interval between the insertion sites X together with the final insertion site X. In the following description, a predetermined number of elements 4, 4... According to the interval of the final insertion site X is referred to as an element group 4x.

For convenience of explanation, except for the final insertion portion X, the elements 4 and 4 positioned at the outermost end in the state where the elements 4 and 4... Are stacked on the CVT belt 1 are the outermost elements 4p and 4q. In addition, the elements 4 and 4 positioned at the outermost end of the element group 4x are set as outermost end elements 4r and 4s.
Further, the convex dimples 6a and 6a formed on the outermost end elements 4q and 4r are the outermost convex dimples 6q and 6r, and the concave dimples 6b and 6b formed on the outermost end elements 4p and 4s are the outermost end concave. The dimples are 6p and 6s.

  As shown in FIG. 7, the element insertion jig 13 includes a laminated ring pressing part 14 and an element pressing part 15. Furthermore, the laminated ring pressing part 14 is configured by an upper laminated ring pressing part 16 and a lower laminated ring pressing part 17. The element insertion jig 13 is supported by a support arm 18 and can be displaced in the X-axis and Y-axis directions shown in FIG. 7 by an operator's operation and can be rotated around the arm axis 18a. Yes. Note that the support form of the element insertion jig 13 is not limited to this, and is supported by a support arm having more degrees of freedom (for example, 6 degrees of freedom) or a robot arm that operates according to a program. It is also possible to adopt a configuration.

The upper laminated ring pressing part 16 is formed with a first laminated ring latching part 16a which is a substantially L-shaped depression. The lower laminated ring pressing portion 17 is formed with a first laminated ring pressing portion 17a that is a flat surface portion.
Then, by combining the upper laminated ring pressing portion 16 and the lower laminated ring pressing portion 17, the first laminated ring latching portion 16 a and the first laminated ring pressing portion 17 a are combined, and the first laminated ring holding portion 19 is attached. It is set as the structure to form.

Moreover, the engaging part 16b formed in the upper laminated ring pressing part 16 and the engaging part 17b formed in the lower laminated ring pressing part 17 are formed in corresponding shapes, and the form of the laminated ring pressing part 14 ( That is, the reproducibility of the upper laminated ring pressing portion 16 and the lower laminated ring pressing portion 17 is ensured.
Further, the lower laminated ring pressing part 17 is formed with a second laminated ring holding part 20 and a notch part 21 which are substantially L-shaped depressions.

  The element pressing portion 15 is configured to be slidable on a sliding surface 22 formed on the lower laminated ring pressing portion 17 and is connected to a cylinder (not shown) as a driving means, and the sliding surface 22 is adapted according to expansion and contraction of the cylinder. The slide position is held according to the cylinder length while sliding upward.

  The element pressing portion 15 is formed with an element latching portion 23 that is a substantially L-shaped recess, and the element pressing portion 15 holds the element group 4x while the element latching portion 23 latches the element group 4x. It is set as the structure which presses.

  Next, a method for assembling the CVT belt using the assembling jig according to this example will be described with reference to FIGS. FIG. 8 is a schematic diagram showing a holding state of a laminated ring in a CVT belt assembling method using an assembling jig, and FIG. 9 is a schematic diagram showing a laminated ring holding step (before element insertion) in the CVT belt assembling method. FIG. 10 is a schematic diagram showing a laminated ring holding step (after element insertion) in the CVT belt assembling method, FIG. 10 is a schematic diagram showing a laminated ring twisting step in the CVT belt assembling method, and FIG. 11 is an assembling method of the CVT belt. FIG. 12 is a schematic diagram showing the first procedure of the element insertion process in the CVT belt assembly method, and FIG. 13 is a schematic diagram showing the second procedure of the element insertion process in the CVT belt assembly method. FIG. 14 is a schematic diagram showing a third procedure of an element insertion process in the CVT belt assembling method, and FIG. 15 is a CVT bell. It is a schematic diagram illustrating a fourth procedure of the element insertion process of the assembly method.

  (Laminated ring holding process)

  As shown in FIG. 8, when assembling the CVT belt 1 according to the present invention, the end faces 2a and 3a of the laminated rings 2 and 3 are arranged so as to overlap each other, and the gaps between the end faces 2a and 3a are formed. It is necessary to hold the posture of the laminated rings 2 and 3 so as to hold them substantially constant.

  As shown in FIG. 9A, the laminated rings 2 and 3 are held on the holding surface 12d by the adsorption action of the suction portion 12g of the laminated ring holding jig 12, and the laminated rings are separated from the base table 25 by a substantially constant distance. Place 2 · 3. At this time, by inserting the spacer 12e into the spacer hole 12f, the spacer 12e protrudes from the holding surface 12d, and the gap between the laminated rings 2 and 3 is held at a substantially constant distance.

  As shown in FIG. 9B, when the elements 4, 4... Inserted into the laminated rings 2 and 3 pass through the arrangement position of the laminated ring holding jig 12, the spacer 12e does not get in the way. The spacer 12e is extracted from the spacer hole 12f so that the spacer 12e does not protrude from the holding surface 12d.

(Laminated ring twisting process)
As shown in FIG. 10, the laminated rings 2 and 3 held by the laminated ring holding jig 12 are pressed toward the inner side in the radial direction of the laminated rings 2 and 3 by the laminated ring pressing portion 14 of the element insertion jig 13. Meanwhile, the element insertion jig 13 is rotated clockwise in FIG.

At this time, the upper laminated ring 2 is hooked by the first laminated ring holding portion 19 and is twisted clockwise in FIG. 10 along with the displacement and rotation of the element insertion jig 13. That is, the upper end of the upper laminated ring 2 is hooked on the upper laminated ring pressing part 16 of the first laminated ring holding part 19, and the ring surface of the upper laminated ring 2 is connected to the first laminated ring holding part 19. By coming into contact with the lower laminated ring pressing portion 17, the upper laminated ring 2 is twisted clockwise in FIG.
At this time, the lower laminated ring 3 is hooked by the second laminated ring holding portion 20 and is twisted clockwise in FIG. 10 as the element insertion jig 13 is displaced and rotated. That is, when the ring surface of the lower laminated ring 3 abuts on the second laminated ring holding portion 20, the lower laminated ring 3 is twisted clockwise in FIG.

  In this way, by twisting the laminated rings 2 and 3 separately, the width Z of the laminated rings 2 and 3 (that is, the distance between the outermost ends of the laminated rings 2 and 3) is maintained. The width of the laminated rings 2 and 3 in the holding state by the tool 12 (that is, the distance W1 shown in FIG. 1) can be made narrower. At this time, the laminated rings 2 and 3 are twisted so that the width Z of the laminated rings 2 and 3 becomes narrower than the distance W2 in FIG.

That is, in the assembly jig 11 according to the present invention, the lower laminated ring pressing portion 17 includes a first laminated ring pressing portion 17a and a second laminated ring holding portion 20.
With such a configuration, the two laminated rings 2 and 3 can be easily twisted while being held in a desired posture.
In this laminated ring twisting step, one or both of the two laminated rings 2 and 3 are twisted to hold the laminated rings 2 and 3 so that the twist angles thereof are different from each other. The width Z is made narrower than the distance W2.

(Element stacking process)
As shown in FIG. 11, when the upper laminated ring pressing portion 16 is removed from the state shown in FIG. 10, the upper end of the upper laminated ring 2 can be exposed while the twisted state of the laminated rings 2 and 3 is maintained. Even in this state, the width Z of the laminated rings 2 and 3 is the same as the state shown in FIG.

Here, if the width Z of the laminated rings 2 and 3 is narrower than the dimension W2 of the element 4 shown in FIG. 1, the element 4 can be easily formed relative to the laminated rings 2 and 3 as shown in FIG. Can be inserted into.
Then, the operator inserts the elements 4 sequentially from the part where the element insertion jig 13 is arranged (namely, the final insertion part X), and sends the element 4 sequentially. Except for the insertion portion X), the CVT belt 1 can be in a state in which the elements 4, 4,... Are stacked (that is, the state shown in FIG. 5).
That is, in the element laminating step, all the elements 4, 4... Are inserted into the laminating rings 2 and 3 with respect to the laminating rings 2 and 3 in which the twisted state in the laminating ring twisting step is maintained. .. Are sequentially inserted and stacked, leaving a predetermined number of elements 4.

That is, in the assembling jig 11 according to the present invention, the laminated ring pressing portion 14 is configured by an upper laminated ring pressing portion 16 and a lower laminated ring pressing portion 17.
With such a configuration, the elements 4, 4,... Can be easily inserted into the laminated rings 2, 3.

In the method for assembling the CVT belt 1 according to the present invention, the element stacking step is performed after the stacking ring holding step and the stacking ring twisting step.
In this way, by performing the element stacking process in a state in which a part of the stacking rings 2 and 3 is twisted and held, the pair of grooves 4 a. The element 4 having the shape in which 4b is formed can be easily inserted into the two laminated rings 2 and 3.

(Element insertion process)
As shown in FIG. 12, a predetermined number of elements 4, 4... (That is, element group 4x) necessary to be inserted into the final insertion site X are prepared, and the orientation of the elements 4, 4. Then, the grooves 4a, 4a,... Of the elements 4, 4,.

Next, as shown in FIG. 13, the element pressing portion 15 is slid on the slide surface 22 from the state of FIG. 12 and displaced in a direction approaching the notch portion 21. That is, the element pressing portion 15 presses the element group 4x to displace the posture of the element group 4x with respect to the stacked rings 2 and 3.
Then, the element group 4x is latched by the element latching portion 23, and in the clockwise direction in FIG. 13 until the position where the lower end portion of the element group 4x enters the notch portion 21 as the element pressing portion 15 is displaced. It is rotated.

  At this time, the upper laminated ring 2 is inserted into the groove portions 4a, 4a,... Of the element group 4x. Moreover, the lower laminated ring 3 is in a state of being positioned substantially above the grooves 4b, 4b... Of the element group 4x.

  Next, as shown in FIG. 14, the element insertion jig 13 is rotated counterclockwise in FIG. 14 around the arm shaft 18 a from the state of FIG. 13, and the element group 4 x arranged in the element insertion jig 13 is rotated. The dimples 6 and 6 (ie, the outermost convex dimple 6r and the outermost concave dimple 6s) of the outermost elements 4r and 4s are stacked (ie, the dimples 6 and 6 of the outermost elements 4p and 4q). The element insertion jig 13 is displaced to a position where it engages with the outermost concave dimple 6p and the outermost convex dimple 6q). As a result, all the elements 4, 4... Required for constituting the CVT belt 1 are laminated.

  At this time, the upper laminated ring 2 holds the state of being inserted into the grooves 4a, 4a,. Further, the lower laminated ring 3 is inserted into the grooves 4b, 4b... Of the elements 4.

Next, as shown in FIG. 15, the element pressing portion 15 is slid on the slide surface 22 from the state of FIG. 14 and displaced in a direction away from the notch portion 21.
Further, the lower laminated ring pressing part 17 is displaced to a position where the first laminated ring pressing part 17a and the second laminated ring holding part 20 do not contact the laminated rings 2 and 3.

At this time, the tension from the portion that has not been pressed by the element insertion jig 13 acts on the laminated rings 2 and 3, and attempts to restore the same posture as the portion that has not been pressed by the element insertion jig 13. .
As a result, the elements 4, 4... Pressed by the element insertion jig 13 rotate around the dimples 6, 6. 1 is completed.
In this way, in the element insertion step, after a predetermined number of elements 4, 4... (That is, the element group 4x) that need to be inserted into the final insertion site X are aligned and inserted into the laminated rings 2 and 3, The CVT belt 1 is completed by releasing the twisted state of the laminated rings 2 and 3.

That is, in the assembling jig 11 according to the present invention, the element insertion jig 13 includes a laminated ring pressing portion 14 and an element pressing portion 15.
By adopting such a configuration, it is possible to displace the laminated rings 2 and 3 and the elements 4 and 4 to a desired posture with a simple configuration.

In the method for assembling the CVT belt 1 according to the present invention, the element insertion step is performed after the element stacking step.
Thus, after stacking most of the elements 4..., The elements 4. ... Can be inserted into the laminated rings 2 and 3.

  Then, the CVT belt 1 can be easily placed above the laminated ring holding jig 12 by removing the latching portions 12c shown in FIGS. Since it can be taken out, the CVT belt 1 is taken out from the assembling jig 11 to complete a series of assembling steps of the CVT belt 1.

That is, the method for assembling the CVT belt 1 according to the present invention includes a plurality of elements 4... And two laminated rings 2 and 3. A pair of grooves 4a and 4b formed symmetrically with respect to the center line B of 4... Are formed, a plurality of elements 4 and 4 are stacked in an annular shape, and stacked on the pair of grooves 4 a and 4 b. Each of the rings 2 and 3 is inserted to hold the plurality of elements 4 and 4 in an annular shape, and the pair of grooves 4a and 4b are opened toward the center line B side of the elements 4 and 4. A method of assembling the CVT belt 1 for hooking the outer ends of the laminated rings 2 and 3 in the width direction, wherein the laminated rings 2 and 3 are arranged so as to overlap each other, and the laminated rings 2 and 3 3 The gap between the opposing end faces 2a and 3a is kept substantially constant. A laminated ring holding step for holding the posture of each laminated ring 2 and 3 and a laminated ring twisting step for twisting at least one of the two laminated rings 2 and 3 such that the twist angles of the laminated rings 2 and 3 are different. All elements 4, 4... Inserted into the laminated rings 2 and 3 are inserted into the laminated rings 2 and 3 in which the twisted state in the laminated ring twisting process is maintained. ... (That is, the element group 4x), and the element stacking step is sequentially inserted and stacked.
As a result, the annular groove 5 is formed in the recessed position on the outer peripheral surface side of the CVT belt 1, and the CVT belt 1 configured to insert the two laminated rings 2 and 3 into the annular groove 5 is moved to the annular groove 5. Thus, the laminated rings 2 and 3 can be easily inserted, and the assembly of the CVT belt 1 can be facilitated.

In addition, the CVT belt 1 assembling method according to the present invention has a predetermined number of elements 4, 4... (That is, an element group) with respect to the laminated rings 2 and 3 in which the twisted state in the laminated ring twisting process is maintained. 4x), and an element insertion step for releasing the twisted state of the laminated ring.
As a result, a predetermined number of elements 4, 4... (That is, element group 4x) can be aligned and easily inserted into the laminated rings 2 and 3, and the assembly of the CVT belt 1 can be facilitated. is there.

  The assembly jig 11 of the CVT belt 1 according to the present invention is composed of a plurality of elements 4, 4... And two laminated rings 2, 3. A pair of groove portions 4a, 4b formed in line symmetry are formed, a plurality of elements 4, 4,... Are stacked in an annular shape, and stacked rings 2, 3 are inserted into the pair of groove portions 4a, 4b, respectively. The assembly of the CVT belt 1 formed by holding a plurality of elements 4... In an annular shape and having a pair of grooves 4 a and 4 b open toward the center line side of the elements 4 and facing each other. It is a jig | tool, Comprising: It is set as the structure which consists of the lamination | stacking ring holding jig | tool 12.

  By adopting such a configuration, the annular groove 5 is formed at a deep position on the outer peripheral surface side of the CVT belt 1, and the two laminated rings 2 and 3 are inserted into the annular groove 5. Can be easily assembled.

The schematic diagram which shows the 1st procedure of the decomposition | disassembly method of a CVT belt. The schematic diagram which shows the 2nd procedure of the decomposition | disassembly method of a CVT belt. The schematic diagram which shows the 3rd procedure of the decomposition | disassembly method of a CVT belt. The schematic diagram which shows the 4th procedure of the decomposition | disassembly method of a CVT belt. The schematic diagram which shows the structure and arrangement | positioning of an assembly jig. The schematic diagram which shows the whole structure of the lamination | stacking ring holding jig which comprises an assembly jig. The schematic diagram which shows the whole structure of the element insertion jig which comprises an assembly jig. The schematic diagram which shows the holding | maintenance state of the lamination | stacking ring in the assembly method of the CVT belt using an assembly jig. (A) The schematic diagram which shows the lamination | stacking ring holding process (before element insertion) in the assembly method of a CVT belt, (b) The schematic diagram which shows the lamination | stacking ring holding process (after element insertion) in the assembly method of a CVT belt. The schematic diagram which shows the lamination | stacking ring twisting process in the assembly method of a CVT belt. The schematic diagram which shows the element lamination | stacking process in the assembly method of a CVT belt. The schematic diagram which shows the 1st procedure of the element insertion process in the assembly method of a CVT belt. The schematic diagram which shows the 2nd procedure of the element insertion process in the assembly method of a CVT belt. The schematic diagram which shows the 3rd procedure of the element insertion process in the assembly method of a CVT belt. The schematic diagram which shows the 4th procedure of the element insertion process in the assembly method of a CVT belt. The schematic diagram which shows the structure of the CVT belt which concerns on the conventional 1st Example. The schematic diagram which shows the whole structure of the element which concerns on the conventional 1st Example. The schematic diagram which shows the lamination | stacking state of the element in the CVT belt which concerns on the conventional 1st Example. The schematic diagram which shows the structure of the CVT belt which concerns on the conventional 2nd Example. The schematic diagram which shows the whole structure of the element which comprises the CVT belt which concerns on the conventional 2nd Example. The schematic diagram which shows the lamination | stacking state of the element in the CVT belt which concerns on the conventional 2nd Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 CVT belt 2 Laminated ring 3 Laminated ring 4 Element 4a Groove part 4b Groove part 11 Assembly jig 12 Laminated ring holding jig 13 Element insertion jig 14 Laminated ring pressing part 15 Element pressing part 16 Upper laminated ring pressing part 17 Lower laminated ring pressing Part 17a First laminated ring pressing part 20 Second laminated ring holding part

Claims (10)

Multiple elements,
With two laminated rings,
The element is formed with a pair of grooves formed symmetrically with respect to the center line of the element, the plurality of elements are stacked in an annular shape, and the stacked ring is inserted into the pair of grooves, respectively. Holds multiple elements in an annular shape,
The pair of groove portions open toward the center line side of the element, and hook the outer end portions in the width direction of the laminated rings.
A method for assembling a CVT belt,
A stacking ring holding step for stacking the stacking rings, and maintaining a posture of the stacking rings so as to hold a gap between opposing end faces of the stacking rings substantially constant;
A laminated ring twisting step of twisting at least one of the two laminated rings such that the twist angles of the two laminated rings are different;
For the laminated ring in which the twisted state in the laminated ring twisting process is maintained, the elements are sequentially inserted and laminated while leaving a predetermined number of elements among all the elements to be inserted into the laminated ring. With an element stacking process
A method for assembling a CVT belt. An element insertion step for releasing the laminated ring twisted state after inserting the predetermined number of elements into the laminated ring in which the twisted state in the laminated ring twisting step is maintained.
The method of assembling a CVT belt according to claim 1. The element lamination step includes
Performed after the laminated ring holding step and the laminated ring twisting step,
The method for assembling a CVT belt according to claim 1, wherein the CVT belt is assembled. The element insertion step includes
Performed after the element lamination step,
4. The method for assembling a CVT belt according to claim 2, wherein the CVT belt is assembled. Multiple elements,
With two laminated rings,
The element is formed with a pair of grooves formed symmetrically with respect to the center line of the element, the plurality of elements are stacked in an annular shape, and the stacked ring is inserted into the pair of grooves, respectively. Holds multiple elements in an annular shape,
The pair of groove portions open toward the center line side of the element, and hook the outer end portions in the width direction of the laminated rings.
An assembly jig for a CVT belt,
A laminated ring holding jig for holding the laminated ring;
The holding posture of the laminated ring is changed, and an element insertion jig capable of inserting the plurality of elements together into the laminated ring,
An assembly jig for a CVT belt. The laminated ring holding jig is
An adsorption portion capable of adsorbing the laminated ring on the holding surface of the laminated ring;
The assembly jig for a CVT belt according to claim 5. The laminated ring holding jig is
A spacer for dividing the holding surface of the laminated ring;
The assembly jig for a CVT belt according to claim 5. The element insertion jig is
A laminated ring pressing portion that presses and twists the laminated ring; and
An element pressing portion that presses the element and displaces the posture of the element with respect to the laminated ring.
The assembly jig for a CVT belt according to claim 5. The laminated ring pressing part is
An upper laminated ring pressing portion on which one end in the width direction of the one laminated ring is hooked;
The lower laminated ring pressing part with which the ring surfaces of the one and other laminated rings abut,
The assembly jig for a CVT belt according to claim 8. The lower laminated ring pressing part is
A first laminated ring pressing portion with which the ring surface of the one laminated ring abuts,
A second laminated ring holding portion with which the ring surface of the other laminated ring abuts,
The assembly jig for a CVT belt according to claim 9.

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