JPH0871869A - Nut temporary fastening device for battery rod and temporary fastening method - Google Patents

Abstract

PURPOSE: To prevent the mutual entanglement of hook parts at the time of separating battery rods one by one and prevent a fastening failure between the battery rod and a nut at the time of temporary fastening. CONSTITUTION: A battery rod 39 in a cylindrical part 65 is hooked and /lifted by the rise of an arm part 73 and moved onto the tip side by the frontward inclination of the arm part 73. The battery rod 39 in the state of being held by an air chuck 74 is removed from the arm part 39 by the rotation of a rotary table 79 and falls on a rod receiving plate 83 upon the release of the hold. The battery rod 39 sliding down on the receiving plate 83 enters into a V-groove 49. The ridges of the battery rod 39 and a nut 55 are brought into close contact with each other by the forward fastening of a rotating roller 90 and the movement in the opposite direction, and then both are temporarily fastened by backward movement. At that time, the rotating roller 90 is rotated in the direction of pressing the battery rod 39 to the nut 55.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery rod nut temporary fastening device and a temporary fastening method for temporarily fastening a battery rod for fixing a vehicle battery to a vehicle body to a nut.

[0002]

Batteries for vehicles (October 15, 1980)
Nihon Co., Ltd. Sankaidou Automotive Engineering Vol. 10 (Refer to "Electrical equipment, vehicle body accessories, engine parts") The battery rod for fixing to the vehicle body has a male screw part at one end and a hook shape at the other end. Each of the battery rods is formed with a hook portion, and a nut is temporarily pre-tightened to the male screw portion before being assembled to the vehicle body.

FIG. 8 is a perspective view showing the overall construction of the temporary tightening device for the nut of the battery rod. This temporary tightening device is provided with a rod storage part 3 for storing a plurality of battery rods 1.
A rod aligning section 5 for aligning the plurality of battery rods 1 in the rod housing section 3, a rod separating section 7 for separating the battery rods 1 aligned by the rod aligning section 5 one by one, and a rod separating section 7 And a rod transfer unit 9 for transferring one battery rod 1 separated by
Rod supporting portion 11 for supporting the battery rod 1 transferred by the above, and a nut rotating portion 1 for temporarily tightening a nut on the male screw portion 1a of the battery rod 1 supported by the rod supporting portion 11.
3 and a nut transfer part 17 for feeding the nuts sequentially sent from the nut parts feeder 15 to the nut rotating part 13.
It consists of and.

The rod accommodating portion 3 is formed in a box shape having an open upper portion, and a plurality of battery rods 1 are supplied therein in a state in which they are oriented in the same direction. The many battery rods 1 in the rod accommodating portion 3 are somewhat disordered as shown in FIG. 9 (a), such as some being slanted, so that the wedge-shaped plate 19 in the rod aligning portion 5 is present. Align by hitting.

As shown in FIG. 9 (b), the rod accommodating portion 3 has an opening hole 21 formed at a corner portion at one end on the bottom surface, and the roller 23 in the rod separating portion 7 rotates in the opening hole 21. It is arranged as possible. Four grooves 23a are formed on the roller 23 along the longitudinal direction at equal intervals in the circumferential direction, and the rotation of the roller 23 allows the battery rod 1 in the rod housing 3 to enter the groove 23a. In this state, the rods are supplied one by one to the rod transfer unit 9.

The rod transfer section 9 is a space 2 in which one battery rod 1 separated by the rod separation section 7 can freely fall.
5 is provided. The space 25 is formed such that the upper end side near the rod separating portion 7 is wide and the lower end side is narrow, and the falling battery rod 1 is guided by the curved inclined surface 27 so that the male screw portion 1a is on the lower side. It stands upright. At this point, the male screw portion 1a of the battery rod 1
As shown in FIG. 10 (a), the tip of the nut rotating part 1
Nut 3 set in socket 29 at 3
Touching 1. The nuts 31 are fed into the socket 29 one by one by the nut transfer unit 17.

As shown in FIG. 10 (b), the battery rod 1 placed upright in the rod transfer portion 9 is completely moved between the movable plate 35 and the fixed plate 37 by the cylinder 33 of the rod support portion 11. Fixed to. In this state, the socket 29 rises to bring the nut 31 closer to the battery rod 1 and then rotates in the direction of arrow A as shown in FIG. 10C, so that the nut 31 is screwed into the male screw portion 1 a of the battery rod 1. At the same time, since the battery rod 1 is fixed, the nut 31 is indicated by the arrow B.
As shown in FIG. 3, the battery rod 1 moves upward along the battery rod 1 and comes out of the socket 29. Nut 31 is socket 2
Simultaneously with the separation from 9, the rotational force of the socket 29 is not transmitted to the nut 31, and the temporary tightening is completed as shown in FIG. 10 (d).

[0008]

However, in such a conventional temporary tightening device, (1) the rod separating portion 7 is used to select the battery rod 1 from the bundle lying sideways in the rod housing portion 3. When they are separated one by one, the hook portions 1b are entangled with each other and cannot be separated, and the device itself stops. (2) The nut 31 needs to be pushed by the nut transfer unit 17 and dropped into the socket 29.
1 needs to have a gap between the socket 29 and the nut 31 is loose in the socket 29, and when temporarily tightened, the battery rod 1 and the nut 31 are misaligned.
Poor tightening such as galling will occur. There is a problem.

Therefore, an object of the present invention is to prevent the hook portions from being entangled with each other when the battery rods 1 are separated one by one, and to prevent the tightening of the battery rod and the nut during the temporary tightening. .

[0010]

In order to achieve the above object, the present invention firstly provides a male screw portion at one end,
A hook portion bent into a hook shape is formed at the other end, and a plurality of bundles of battery rods for fixing the battery to the vehicle body can be stored with the hook portion protruding from the upper portion, and can be vertically In contrast, there is provided a rod accommodating portion that is arranged while maintaining an inclination of a predetermined angle, and an arm portion that hooks and takes out at least one or more battery rods in the rod accommodating portion by vertically moving the hook portion. A rod take-out portion provided, a rod separating portion that separates from the rod take-out portion by grasping one of the battery rod taken out by the rod take-out portion at the tip end side of the arm portion, and a supply of the battery rod from the rod separating portion. The supplied battery rod is inserted along the longitudinal direction into the groove formed on the flat surface, and the battery rod is inserted from the flat surface in the inserted state. And a rod supporting portion having an outer peripheral surface protruding from the rod supporting portion, and a rod for moving the battery rod in the groove by moving in a direction orthogonal to the battery rod while contacting the outer peripheral surface protruding from the surface with respect to the battery rod in the rod supporting portion. The rotating portion is arranged to face the male screw portion side end of the battery rod in the groove of the rod supporting portion, and the rod rotating portion is screwed into the male screw portion of the battery rod by the movement of the rod rotating portion of the battery rod in the groove. A nut holding portion that holds a nut whose center is substantially coincident with the center is provided.

Secondly, in the first structure, the rod accommodating portion is divided into a plurality of portions in the cylindrical portion along the circumferential direction and is rotatable in the circumferential direction.

Thirdly, in the first structure, the arm portion of the rod take-out portion is slightly inclined so that the tip end side on the rod separating portion side is downward.

Fourthly, in the first structure, the rod separating portion has a gripping portion for gripping the battery rod,
The gripping portion is movable forward and backward with respect to the battery rod from the side of the rod extracting portion facing the tip of the arm portion, and is rotated via the connecting arm about the central axis offset from the center of the forward and backward moving locus. It is possible to move.

Fifth, in the first structure, the groove of the rod supporting portion is formed in a V shape.

Sixthly, in the first configuration, the battery rod received from the rod separating portion is freely placed on the extension line of the groove in the rod supporting portion immediately before the rod supporting portion receiving the supply of the battery rod from the rod separating portion. There is provided an inclined rod transfer unit that slides by dropping and feeds it into the groove of the rod supporting unit.

Seventh, in the first configuration, the rod rotating portion moves in a direction in which the battery rod is rotated in a direction opposite to the direction in which the male screw portion of the battery rod and the nut are screwed, and the male screw portion and the male screw portion This is a structure in which the threads of the nuts are in close contact with each other.

Eighthly, in the first structure, the rod rotating portion is provided with a rotating roller, and the rotating roller is rotatable in a direction for pressing the battery rod against the nut side.

Ninth, in the first construction, the nut holding portion is provided with a holding hole having an opening at the top, and the upper surface of the nut holding portion is slidable in the direction orthogonal to the battery rod. As a configuration in which a slide member having a through hole penetrating in the vertical direction is provided, and a nut feeder for supplying a nut to the through hole is provided at a position where the through hole of the slide member is out of the opening of the nut holding portion. is there.

Tenth, the battery rod accommodated in the rod accommodating portion in an inclined state is taken out from the rod accommodating portion by hooking the hook portion at one end of the battery rod by moving the rod ejecting portion upward. One of the battery rods is separated by the rod separating part, the separated battery rod is fed into the groove of the rod supporting part, and the rod rotating part is brought into contact with the outer peripheral surface of the battery rod with respect to the battery rod in the groove. Move it in the direction orthogonal to and rotate it in the groove, and screw the nut held in the nut holding part into the male screw part at the other end of the battery rod with the center of the battery rod in the groove almost aligned with the center of the battery rod. ,
This is a method of temporarily tightening.

[0020]

According to the first configuration or the tenth method, the battery rod in the rod accommodating portion is taken out by the ascending movement of the rod take-out portion and is taken out to the arm portion thereof, and in the case of a plurality of the rods.
The hook portions are hooked in a row, and the rod separating portion separates one by one from the end portion side of the arm portion, so that the hook portions of the battery rods are prevented from being entangled with each other. When temporarily tightening, the battery rod is rotated in the groove by moving it in the direction orthogonal to the battery rod while the rod rotating part is in contact with the outer peripheral surface of the battery rod protruding from the groove of the rod supporting part. By that,
The nut held in the nut holding part is screwed into the male thread of the battery rod with the center of the battery rod in the groove almost aligned, so that tightening such as galling does not occur and temporary tightening is easy. It

According to the second configuration, the bundle of battery rods is housed in each of a plurality of regions divided in the circumferential direction,
Once all the battery rods in one area have been removed,
The entire rod housing is rotated so that the battery rod in the other area can be taken out.

According to the third structure, the battery rod whose hook is hooked on the arm moves toward the tip side along the inclination of the arm.

According to the fourth structure, the gripping portion advances and grips the battery rod hooked on the tip end side of the arm portion, and the gripping portion is centered on the central axis offset from the center of the advancing movement locus. By rotating, the hook part comes off the arm part.

According to the fifth configuration, the battery rod is
By rotating in the V-shaped groove, deviation of the shaft center is prevented.

According to the sixth configuration, the battery rod received from the rod gripper is slid by free fall and fed into the groove of the rod supporter.

According to the seventh configuration, the rod rotating portion is moved in the direction in which the battery rod is rotated in the direction opposite to the direction in which the male screw portion of the battery rod and the nut are screwed together, whereby the screw portion of the battery rod is moved. The end of the and the female thread of the nut are in close contact.

According to the eighth structure, the end portion of the male screw portion of the battery rod is pressed against the nut side by rotating the rotating roller of the rod rotating portion.

According to the ninth construction, the nut feeder supplies the nut to the nut holding hole at the position where the nut holding hole of the slide member is out of the opening of the nut holding portion, and the slide member slides in this state. When the nut holding hole and the opening of the nut holding portion are aligned with each other, the nut in the nut holding hole falls into the opening of the nut holding portion.

[0029]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the overall construction of a battery rod nut temporary tightening apparatus according to an embodiment of the present invention. This nut temporary tightening device is provided with a battery rod 39.
A cylindrical rod storage portion 41 for storing about 200
A rod take-out portion 43 for taking out the battery rod 39 in the rod housing portion 41 by moving it upward, and a rod take-out portion 43.
A rod separating part 45 for separating the one or more battery rods 39 taken out in step 1 into one, a rod transfer part 47 arranged obliquely for receiving the one battery rod 39 separated by the rod separating part 45, and a rod. A rod support portion 51 having a groove 49 for receiving the battery rod 39 sent from the transfer portion 47, and a battery rod 39 on the rod support portion 51.
Is moved in a direction orthogonal to the battery rod 39 to move the groove 4
9. Rod rotating part 53 for rotating in 9 and rod rotating part 5
3 rotation causes the male screw portion 39a of the battery rod 39 to rotate.
A nut holding portion 57 that holds a nut 55 that is screwed into
It is composed of a nut transfer section 59 for feeding the nut 55 into the nut holding section 57, and a nut parts feeder 61 as a nut feeder for sequentially supplying the nut to the nut transfer section 59, and these are arranged on the base 63. There is.

The rod accommodating portion 41 as a whole is inclined about 30 degrees with respect to the vertical direction, and the cylindrical portion 6 having a bottom portion is provided.
The storage area in 5 is divided into four at regular intervals in the circumferential direction by the four partition plates 67, and the battery rod 39 is provided in each storage area.
Multiple items are stored. When the battery rod 39 is pulled out by the rod extracting portion 43, the weight of the battery rod 39 on the cylinder center side causes the overlapping battery rod 39 to be caught by the screw thread of the male screw portion 39a when the battery rod 39 is pulled out. The angle is such that the other battery rods 39 are not pulled up together. A stepping motor (not shown) is connected to the bottom of the cylindrical portion 65, and the cylindrical portion 65 is rotated 90 degrees when all the battery rods 39 in one region are taken out by the rod extracting portion 43.

In the battery rod 39 housed in the cylindrical portion 65, the male screw portion 39a is on the lower side, the hook portion 39b bent into a hook shape is on the upper side, and the hook portion 3
9b projects from the upper end of the rod storage portion 41. The hook portion 39b protruding from the upper end is oriented in the inclination direction due to its own weight, so that the battery rod 39 in the storage area to be taken out by the rod taking-out portion 43 is
The hook portion 39b faces the outside of the cylindrical portion 65.

In the rod take-out portion 43, the air cylinder 69 is installed vertically upward, and the arm portion 73 bent at a slight inclination so that the tip end side is downward is provided at the tip end portion of the operating rod 71 protruding upward. It is provided. The arm portion 73 hooks the hook portion 39b of the battery rod 39 in the storage area to be taken out and pulls out one or more battery rods 39 from the cylindrical portion 65 as the actuating rod 71 rises. A projection 73a for preventing the battery rod 39 from coming off is provided at the tip.

The rod separating section 45 is arranged at a position facing the tip of the arm section 73, and an air chuck 74 as a grip section for holding one battery rod 39 on the tip side of the arm section 43 by air pressure. , Air chuck 74
Battery rod 3 in a state in which the
9, an air cylinder 75 that moves forward and backward with respect to 9,
The air chuck 74 includes a rotary table 79 for rotating the air chuck 73 and the air cylinder 75 via a connecting arm 77 about a central axis 76 offset with respect to the center of the forward / backward movement trajectory. Stanchion 8
It is attached to the upper end of 1. By releasing the gripping operation for the battery rod 39 by the air chuck 74,
The battery rod 39 drops to the rod transfer portion 47 with the male screw portion 39a facing the rod support portion 51 side.

In the rod transfer portion 47, the rod receiving plate 83 bent in a V shape has two supporting legs 85 on the side of the rod separating portion 45 and two rod legs shorter than the supporting leg 85 on the side of the rod supporting portion 51. Are supported by the support legs 87, respectively, whereby the rod receiving plate 83 is arranged to be inclined. With respect to the rod receiving plate 83, the rod take-out portion 43 is arranged on the side opposite to the rod separating portion 45, and the arm portion 73 has a tip end portion which does not interfere with the rod receiving plate 83 due to its rising. It is located at a position offset from the separating portion 45 in the opposite direction.

The rod support portion 51 is formed by forming a groove 49 having a V-shaped cross section in the center of a support table 89.
Is shorter than the total length of the battery rod 39, and the hook portion 39b is located off the support table 89 when the battery rod 39 is set in the groove 49. V
The V-shaped groove 49 is arranged in an extension line of the bent portion of the rod receiving plate 83 in the rod transfer portion 47, and receives the battery rod 39 which is transferred by sliding the bent portion in the same posture. The depth of the groove 49 is about half the diameter of the battery rod 39, and the outer peripheral surface of the battery rod 39 in the groove 49 projects from the surface of the support table 89. The groove 49 is formed so that the center of the battery rod 39 that has entered the groove 49 has a positional relationship that almost completely coincides with the center of the nut 55 held by the nut holding portion 57.

The rod rotating portion 53 includes a rubber rotating roller 90 that contacts the outer peripheral surface of the battery rod 39 protruding from the groove 49, and an air cylinder 91 that moves the rotating roller 90 in a direction orthogonal to the battery rod 39. And a motor 93 for rotating the rotating roller 90. The motor 93 is mounted on a moving member 95 provided at the tip of the operating rod of the air cylinder 91, and the moving member 95 slides on the fixed member 97 together with the motor 93. The rotation direction of the rotation roller 90 is the direction of arrow C, and thus the battery rod 39 is constantly pressed against the nut 55 side.

The nut holding portion 57 is provided with a holding plate 99, and the holding plate 99 is provided in the groove 49 of the rod supporting portion 51.
Hole 101 having openings on the upper side and the upper side, respectively
Is formed, and the nut 55 is held in the holding hole 101. On the upper surface of the holding plate 99, the holding plate 99
A slide plate 103 is provided as a slide member that slides up. Slide plate 10
2, a through hole 105 penetrating in the up-down direction is formed as shown in FIG. 2 which is a sectional view of the rod supporting portion 51 in FIG.
The nut 55 sent from the nut parts feeder 61 enters. The nut 55 is provided with a collar and holds the holding plate 99.
In the state of entering the holding hole 101 and the through hole 105 of the slide plate 103, the flange portion is exposed to the outside of the front surface side of the paper in FIG. 2, that is, the rod supporting portion 51 side.

The slide plate 103 is connected to an air cylinder 107 which constitutes a nut transfer section 59 together with the slide plate 103.
The slide plate 103 moves through the through hole 105
2 can be moved between a solid line position in FIG. 2 aligned with the nut discharge port 109a at the tip of the shooter 109 of the nut part feeder 61 and a two-dot chain line position aligned with the holding hole 101 in the holding plate 99.

Next, the operation of the battery rod nut temporary tightening device thus configured will be described.

First, the battery rod 39 is inserted into the four accommodating regions of the rod accommodating portion 41 with the hook portion 39b facing upward. At this time, it may be somewhat disordered as shown in FIG. Next, when the air cylinder 69 of the rod take-out portion 43 is operated to raise the actuating rod 71, the arm portion 73 moves the rod accommodating portion 4 as shown in FIG.
The battery rod 39 is pulled out from the inside of the cylindrical portion 65 by being caught by the hook portion 39b of the battery rod 39 in the No. 1 unit. At this time, the number of battery rods 39 to be pulled out is arbitrary. The battery rod 39 caught on the arm portion 73 moves toward the tip side due to the inclination of the arm portion 73,
The protrusion 73a at the tip prevents the arm 73 from coming off.

Here, since the inside of the cylindrical portion 65 is divided into four regions, the number of battery rods 39 accommodated in one region can be reduced, and as a result, when the battery rods 39 are pulled up, they are pulled up. The load of the other battery rod 39 applied to the battery rod 39 does not become excessive, and the other battery rod 39 is not pulled up by the action of the screw thread.

At the time when the operating rod 71 reaches the top dead center,
The air cylinder 75 of the rod separating portion 45 operates to move the air chuck 74 forward, and the air chuck 74 causes the arm portion 7 to move.
One battery rod 39 on the tip side of 3 is gripped. The air chuck 74 gripping the battery rod 39 rotates in the direction of arrow E in FIG. 1 around the central shaft 76 together with the air cylinder 75 by the operation of the rotary table 79, whereby the battery rod 39 moves to the direction shown in FIG. As shown, the hook portion 39b is disengaged from the arm portion 73 by the rotation from the solid line position to the two-dot chain line position. The battery rod 39 removed from the arm portion 73 has the male screw portion 3
9a is directed to the rod supporting portion 51 side in the next step, and the inclination angle is substantially the same as the inclination angle of the rod receiving plate 83.

Next, as shown in FIG. 6, the air chuck 74 causes the battery rod 3 to move by the operation of the air cylinder 75.
When the gripping operation of the air chuck 74 is released in this state, the battery rod 39 causes the rod receiving plate 83 of the rod transfer portion 47 to move.
Fall on. The dropped battery rod 39 has a rod receiving plate 83 that is inclined with the male screw portion 39a as the front side.
It slides down and is inserted into the V-shaped groove 49 of the rod support portion 51 with its outer peripheral surface protruding from the surface of the support table 89, as shown in FIG.

On the other hand, the nut 55 is fed from the nut parts feeder 61 to the shooter 109, and the shooter 10
The nut 55 in the shooter 109 enters into the through hole 105 in a state where the tip of 9 is aligned with the through hole 105 of the slide plate 103. In this state, the air cylinder 107
The slide plate 103 is moved forward by the above operation to align the through hole 105 with the holding hole 101 of the holding plate 99. By this operation, the nut 55 in the through hole 105
Is dropped and held in the holding hole 101.

Here, in the rod rotating portion 53, the rotating roller 90 moves forward in the direction of arrow F by the operation of the air cylinder 91 and comes into contact with the outer peripheral surface of the battery rod 39. At this time, the rotating roller 90 is moved by the operation of the motor 93 to the arrow C.
And the end of the male screw portion 39a of the battery rod 39 is pressed against the nut 55 held by the nut holding portion 57. While continuing the above-described rotation operation, the rotation roller 90 further advances and rotates the battery rod 39 in the clockwise direction in FIG. 7, that is, in the direction opposite to the tightening. By this movement, the male screw portion 39b of the battery rod 39 and the screw threads of the female screw portion of the nut 55 come into close contact with each other, and then the rotating roller 90 is retracted by the operation of the air cylinder 91 while continuing to rotate in the direction of arrow C, The male screw portion 39 a of the battery rod 39 is the nut 55.
Will be temporarily tightened.

As described above, the battery rod 39 pulled up by the arm portion 73 of the rod extracting portion 43 is
When there are a plurality of arms, they are arranged in a line along the arm portion 73, and one rod can be reliably separated and gripped by the rod separating portion 45 from the tip end side of the arm portion 73. Also,
At the time of temporary tightening, the nut 55 is fixed by the nut holding portion 99, and the battery rod 39 side is rotated in the V-shaped groove 49. Therefore, the misalignment between the battery rod 39 and the nut 55 is eliminated, and the tightening is defective. Is prevented.

In the above embodiment, the rod take-out portion 43
Are arranged in the vertical direction, but the rod extraction portion 43
May be arranged at the same angle as the rod storage portion 41, and the arm portion 73 may be raised along the inclination of the cylindrical portion 65.

[0049]

As described above, according to the first aspect of the present invention, as the rod take-out portion rises, the arm portion hooks the battery rod in the rod accommodating portion with the hook portion to take out the rod rod with respect to the arm portion. Since the separating portions are separated one by one from the end portion side of the arm portion, the battery rods can be reliably separated without entanglement between the hook portions of the battery rods. When temporarily tightening, the battery rod is rotated in the groove so that the nut is held by the male screw portion of the battery rod in a state where the center of the battery rod substantially coincides with the center of the battery rod in the groove. Since the nut is screwed in, axial misalignment between the battery rod and the nut can be prevented, and temporary tightening is facilitated.

According to the second invention, the battery rod is
Since it can be stored separately in each area in the cylindrical part divided into a plurality, it is possible to reduce the number of battery rods to be stored in one area while maintaining a large number of battery rods to be stored as a whole. The load applied by the other battery rod to the battery rod to be taken out is not excessive, and the other battery rod is not pulled up by the action of the screw thread.

According to the third aspect of the invention, the battery rod hooked on the arm portion moves toward the tip side due to its inclination, so that the gripping operation by the rod separating portion becomes easy.

According to the fourth aspect of the invention, since the gripping portion advances from the front of the tip end side of the arm portion, it is easy to grip the battery rod on the tip end side, and the battery rod is moved to the arm portion by the turning operation of the gripping portion. It is easy to remove the battery rod from the arm portion by the rod separating portion.

According to the fifth aspect of the invention, the battery rod set in the V-shaped groove is less likely to be misaligned even when rotated in the groove and easily aligned with the center of the nut. Will be easier.

According to the sixth aspect of the invention, since the rod transfer section is inclined, the battery rod received from the rod separating section can be promptly fed into the groove of the rod supporting section by sliding.

According to the seventh aspect, the male screw portion and the nut of the battery rod can be temporarily tightened in a state where the screw threads are in close contact with each other, so that the temporary tightening operation is facilitated.

According to the eighth aspect of the invention, since the male screw portion of the battery rod is constantly pressed against the nut side during temporary tightening, the temporary tightening operation becomes easy.

According to the ninth aspect of the invention, the nut can be supplied to the holding hole of the nut holding portion simply by sliding the slide member that receives the supply of the nut from the nut supply machine.
Easy to supply nuts.

[Brief description of drawings]

FIG. 1 is a perspective view of a temporary tightening device for a battery rod according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the arrow D in FIG.

3 is a perspective view showing a state in which a battery rod is inserted into a rod housing portion in the nut temporary tightening device of FIG. 1. FIG.

4 is an operation explanatory view showing a battery rod taking-out operation by a rod taking-out portion in the nut temporary tightening device of FIG. 1. FIG.

5 is an operation explanatory view showing an operation of removing the battery rod from the arm portion by the rod separating portion in the nut temporary tightening device of FIG. 1. FIG.

6 is an operation explanatory view showing the operation of delivering the battery rod to the rod transfer portion by the rod separating portion in the nut temporary tightening device of FIG. 1;

7 is an explanatory diagram showing a state where a battery rod is supported by a rod support portion in the nut temporary tightening device of FIG. 1. FIG.

FIG. 8 is a perspective view of a battery rod nut temporary tightening device showing a conventional example.

9A is an operation explanatory view of aligning the battery rods in the rod accommodating portion in the nut temporary tightening device of FIG. 8;
(B) is an operation explanatory view of separating the battery rod in the rod housing portion.

10 (a) to 10 (d) are operation explanatory views for temporarily tightening the battery rod to the nut in the nut temporary tightening device of FIG.

[Explanation of symbols]

 39 Battery Rod 39a Male Threaded Part 39b Hook Part 41 Rod Storage Part 43 Rod Extraction Part 45 Rod Separation Part 47 Rod Transfer Part 49 Groove 51 Rod Support Part 53 Rod Rotation Part 55 Nut 57 Nut Holding Part 61 Nut Parts Feeder 65 Cylindrical part 73 Arm part 74 Air chuck (grasping part) 76 Center shaft 77 Connecting arm 90 Rotating roller 101 Holding hole 103 Slide plate (slide member) 105 Through hole

Claims (10)

[Claims] 1. A male screw portion is formed at one end, and a hook portion bent into a hook shape is formed at the other end, and a plurality of bundles of battery rods for fixing a battery to a vehicle body are attached to the upper portion of the hook portion. A rod accommodating portion that can be accommodated in a state of protruding from the accommodating portion and that is arranged so as to maintain an inclination of a predetermined angle with respect to the vertical direction, and at least one or more battery rods inside the rod accommodating portion. A rod take-out part having an arm part that is taken out by being hooked on the hook part, and a rod separating part that separates from the rod take-out part by gripping one of the arm rod tip side of the battery rod taken out by the rod take-out part When the battery rod is supplied from the rod separating portion, the supplied battery rod is inserted into the groove formed on the flat surface along the longitudinal direction and is also inserted. In this state, the rod support portion, from which the outer peripheral surface of the battery rod projects from the flat surface, and the battery rod in the rod support portion, which moves in a direction orthogonal to the battery rod, while contacting the outer peripheral surface protruding from the surface. And a rod rotating portion for rotating the battery rod in the groove by means of a rod rotating portion and an end portion of the rod supporting portion on the male screw portion side of the battery rod, the male screw portion of the battery rod being moved by the movement of the rod rotating portion. And a nut holding portion that holds a nut in a state in which the center of the battery rod is substantially aligned with the center of the battery rod in the groove. 2. The temporary tightening device for the nut of the battery rod according to claim 1, wherein the rod housing portion is divided into a plurality of portions in the cylindrical portion along the circumferential direction and is rotatable in the circumferential direction. 3. The temporary tightening device for a nut of a battery rod according to claim 1, wherein the arm portion of the rod take-out portion is slightly inclined such that the tip end side on the rod separating portion side is downward. 4. The rod separating portion includes a gripping portion that grips the battery rod, and the gripping portion is movable back and forth with respect to the battery rod from a side facing the tip of the arm portion of the rod extracting portion. At the same time, the battery rod nut temporary tightening device according to claim 1, wherein the battery rod nut temporary tightening device is rotatable about a central axis offset from the center of the forward / backward movement locus through a connecting arm. 5. The nut temporary tightening device for a battery rod according to claim 1, wherein the groove of the rod supporting portion is formed in a V shape. 6. The rod support part is formed by sliding the battery rod received from the rod separation part by free fall on the extension line of the groove in the rod support part immediately before the rod support part receiving the supply of the battery rod from the rod separation part. 2. The nut temporary tightening device for a battery rod according to claim 1, further comprising an inclined rod transfer portion which is fed into the groove. 7. The rod rotating portion moves in a direction in which the battery rod is rotated in a direction opposite to a direction in which the male screw portion of the battery rod and the nut are screwed together, and the screw threads of the male screw portion and the nut are brought into close contact with each other. The nut temporary tightening device for a battery rod according to claim 1, wherein. 8. The nut provisional for a battery rod according to claim 1, wherein the rod rotating portion includes a rotating roller, and the rotating roller is rotatable in a direction for pressing the battery rod against the nut side. Fastening device. 9. The nut holding portion is provided with a holding hole having an opening at an upper side, and a through hole penetrating in a vertical direction is slidably movable in a direction orthogonal to the battery rod on an upper surface of the nut holding portion. 2. A nut supply device for supplying a nut to the through hole is provided at a position where the through hole of the slide member is out of the opening of the nut holding part. Battery rod nut temporary tightening device. 10. A battery rod that is stored in a slanted state in a rod storage part, is pulled out from the inside of the rod storage part by hooking a hook part at one end of the battery rod by moving the rod extraction part upward, and the battery rod is taken out. One of the battery rods is separated by the rod separating part, and the separated battery rod is fed into the groove of the rod supporting part, and is orthogonal to the battery rod in the groove while the rod rotating part is in contact with the outer peripheral surface of the battery rod. , And rotate it in the groove, and screw the nut held by the nut holding part into the male screw part at the other end of the battery rod with the center of the battery rod in the groove almost aligned with the center of the battery rod. A method for temporarily tightening a nut of a battery rod, characterized by tightening.