JP5465981B2 - Sleeve removal device from seaming spindle - Google Patents

Description

  The present invention relates to an apparatus for removing a sleeve having a sliding surface of an oil seal from a seaming spindle of a can lid winding machine (seamer).

The can lid winding machine is a device that fixes the lid to the main body by putting beer or juice into the main body (body) of the can and then winding and tightening the peripheral edge of the lid on the upper edge of the main body, For example, what is shown in FIG. 4 is mentioned (refer the following patent document 1).
The can lid winding machine in FIG. 4 includes a seaming head 101, a seaming spindle 102, a knockout rod 103, a seaming roll 104, and a lifter 105. The seaming head 101 is configured to revolve around a left axis (not shown). A plurality of seaming spindles 102 are arranged at equal intervals in the circumferential direction of the revolution track of the seaming head 101, and each seaming spindle 102 can be rotated (rotated) by a rolling bearing 106 with respect to the seaming head 101. It is supported.

A space 101a serving as an oil tank for lubricating oil is provided above the rolling bearing 106 of the seaming head 101, and the lubricating oil is supplied to the rolling bearing 106 from this space (oil tank) 101a. An oil seal 108 is attached to the lower end of the rolling bearing 106 by a clamp ring 107.
The seaming spindle 102 has a flange 102a that holds the lower end surface of the inner ring of the rolling bearing 106 arranged on the lowermost side, and the outer diameter on the distal end side of the flange 102a is smaller than that on the proximal end side. A sleeve 109 and a collar 110 are fitted on the small diameter portion 102b. The sleeve 109 and the collar 110 are firmly fitted onto the small diameter portion 102b of the seaming spindle 102 by providing a groove on the inner surface and attaching an O-ring 111 to the groove.

  The outer peripheral surface of the sleeve 109 on the flange 102a side is a sliding contact surface with which the lip portion of the oil seal 108 contacts. The collar 110 is arranged as a spacer for adjusting the position of the sleeve 109 (filling between the seaming chuck 112 and the sleeve 109). A seaming chuck 112 is screwed onto the outer peripheral surface of the most distal end of the seaming spindle 102 (portion having a smaller outer diameter than the small diameter portion 102b).

A knockout rod 103 is inserted into the seaming spindle 102 via a guide ring 113, and a pad 103 a for holding the can lid 121 is provided at the tip of the knockout rod 103.
The seaming roll 104 is approached toward the can body 122 placed on the lifter 105 by a seaming lever 114 supported by a lower end of a seaming shank shaft (not shown), and can be revolved and rotated. It is supported.

This can lid winding machine is driven as follows.
In the foreground process, a liquid such as beer or juice enters the can body 122, and a lid 121 is placed on the top of the lifter 105. First, the lifter 105 is disposed below the seaming spindle 102 and ascends, and the seaming chuck 112 presses the outer edge of the lid 121 and the upper edge of the barrel 122.

Next, the pad 103 a at the tip of the knockout rod 103 is pressed against the lid 121. Next, the seaming roll 104 is moved closer to the chuck 112 to rotate the seaming spindle 102 and the seaming roll 104 is rotated so that the peripheral edge of the lid 121 is fastened to the upper edge of the barrel 122. To do.
In such a can lid winding machine, the lubricating oil is supplied to the rolling bearing 106 from the upper oil tank 101a, and if the lubricating oil leaks, there is a risk of adhering to the lower can. It is necessary to reliably prevent this. For this purpose, an oil seal 108 is attached and a labyrinth reel 107a is provided on the clamp ring 107. However, if leakage occurs, it is necessary to stop driving the can lid winding machine and replace the oil seal 108. .

When the oil seal 108 is replaced, it is necessary to install a new oil seal 108 in a state where the sleeve 109 and the collar 110 are not present. Therefore, it is necessary to remove the seaming chuck 112, the sleeve 109, and the collar 110 from the seaming spindle 102.
Since the seaming chuck 112 is screwed to the tip of the seaming spindle 102, the removal thereof can be performed without any particular problem. However, since the sleeve 109 and the collar 110 are firmly attached to the seaming spindle 102 with an O-ring 111 inserted into the groove on the inner surface, they cannot be easily pulled out.

For this reason, it may take time to remove the sleeve 109 and the collar 110, or the outer peripheral surface may be damaged if the sleeve 109 and the collar 110 are forcibly pulled out with a tool such as a pulley remover. In particular, if the surface of the sleeve 109 where the oil seal 108 comes into sliding contact is damaged, the sleeve 109 cannot be used.
Patent Document 2 below proposes an inner race removing device for a bearing that removes an inner race of a bearing in which a snap ring is inserted into an annular groove on the outer periphery of the inner race that is press-fitted into the rotating shaft from the rotating shaft. . The apparatus includes a plurality of divided clamping members that sandwich the outer periphery of the inner race in the radial direction, an engaging portion that is provided on one side of the clamping member and engages with the snap ring, and a plurality of connecting members. And a support member connected to the clamping member and having a screw hole penetrating in the center thereof, and an extraction bolt.

  The extraction bolt is screwed into a screw hole of the support member, and a tip end portion thereof is brought into contact with a shaft end surface of the rotation shaft, and the tip portion is brought into contact with a shaft end surface of the rotation shaft. The inner race is extracted from the rotating shaft through the clamping member and the snap ring.

JP 2003-172457 A JP 2007-44822 A

  An object of the present invention is as a device for removing a sleeve having a sliding surface of an oil seal from a seaming spindle of a can lid winding machine, and the sleeve can be easily removed without damaging the oil seal sliding contact surface. Is to provide a device.

In order to solve the above problems, the present invention includes a seaming head and a seaming spindle rotatably supported by the seaming head via a rolling bearing, and the seaming spindle has an oil seal. A sleeve detaching device for removing a sleeve from the seaming spindle of a can lid winding machine to which a sleeve having a sliding surface is externally fitted, comprising the following configurations (1) to ( 8) I have a, characterized by satisfying the following configuration (9).

(1) A plurality of divided bodies in which an outer packet member having an inner peripheral surface brought into contact with the outer peripheral surface of the sleeve is divided in the circumferential direction of the sleeve.
(2) A coupling member that couples the plurality of divided bodies.
(3) A rod-shaped member extending in the axial direction of the sleeve from each of the divided bodies.
(4) A plate-shaped member having a female thread that penetrates the plate surface at the center and a connecting portion that connects the tip of the rod-shaped member to the periphery so that the position can be adjusted.
(5) A fixing member for fixing the tip of the rod-shaped member to a predetermined position of the connecting portion of the plate-shaped member.
(6) A screw rod member screwed into the female screw of the plate-like member.
(7) It has an end surface that is brought into contact with the front end surface of the seaming spindle, and a protrusion that is inserted into the front end portion of the seaming spindle, and protrudes from the plate member of the screw rod member toward the outer packet member side. A centering member attached to the tip of the side so as to allow rotation of the screw rod member.
(8) A handle provided at an end of the screw rod member opposite to the tip to which the centering member is attached.
(9) The centering member is formed of a cylindrical member having a large diameter portion larger than the inner diameter of the seaming spindle and a small diameter portion smaller than the inner diameter. The small diameter portion is disposed on the tip side of the screw rod member to form the protrusion, and the end surface on the small diameter portion side of the large diameter portion is an end surface that presses against the tip surface of the seaming spindle.

When using the sleeve detaching device of the present invention, first, the protruding amount of the screw rod member from the plate-like member to the divided body side is reduced. Further, the fixing of the tip of the rod-shaped member by the fixing member to the connecting portion of the plate-like member is loosened, and the position of the tip of the rod-shaped member in the connecting portion is set to a position where the interval between the plurality of divided bodies is expanded. adjust.
In this state, the plate-like member is disposed on the tip end side of the seaming spindle, and the inner peripheral surfaces of the plurality of divided bodies are brought into contact with the outer peripheral surface of the sleeve fitted on the seaming spindle. In that case, the position of the front-end | tip of the said rod-shaped member is adjusted with the said connection part. In this state, each divided body is coupled by a coupling member. The length of the rod-shaped member is a length that can realize this state. Thereby, the sleeve is contact-supported by the outer packet member. Here, it is possible to prevent the oil seal slidable contact surface of the sleeve from being scratched by setting the position of contact support by the outer packet member to a portion that is not the oil seal sliding surface of the outer peripheral surface of the sleeve.

Next, by operating the handle and rotating the screw rod member, the centering member is advanced from the plate-like member to the seaming spindle side, and the protrusion of the centering member is moved into the tip of the seaming spindle. And the end surface of the centering member is brought into contact with the front end surface of the seaming spindle. Thereby, the centering of the seaming spindle and the screw rod member is performed.
Next, the tip of the bar-like member is fixed to the connecting portion of the plate-like member by the fixing member.
In this state, by continuing to rotate the screw rod member in the same direction, the end surface of the centering portion is strongly pressed against the end surface of the seaming spindle, and the screw rod member cannot move to the seaming spindle side. A plate-like member having a female screw with which the bar member is screwed moves to the handle side. Along with this, the outer packet member also moves to the handle side together with the rod-shaped member fixed to the plate-shaped member. Since the sleeve is supported by the outer packet member, the sleeve also moves to the handle side.

  Then, the length of the screw rod member is set such that the sleeve can be removed from the outer fitting position of the seaming spindle by the movement according to the axial dimension of the sleeve to be removed and the outer fitting position of the screw rod member. Thus, the sleeve is removed from the seaming spindle by the movement.

According to the detaching device of the present invention, the portion of the outer peripheral surface of the sleeve that is not the oil seal sliding surface is contact-supported by the outer packaging member, so that the sleeve can be easily removed from the seaming spindle without scratching the oil seal sliding contact surface. Can be removed.
The sleeve can be removed without removing the seaming spindle from the can lid winding machine.

It is the perspective view which looked at the sleeve removal apparatus equivalent to one Embodiment of this invention from the upper side in the assembled state. It is the perspective view which looked at the sleeve removal apparatus equivalent to one Embodiment of this invention from the lower side in the assembled state. It is sectional drawing which shows the relationship between the sleeve removal apparatus of embodiment, a sleeve, and a seaming spindle, Comprising: (a) shows the state which the attachment of the sleeve removal apparatus was completed and centering was performed, (b ) Shows the final stage of sleeve removal work by the sleeve removal device. It is sectional drawing explaining the part of the seaming spindle of a can lid winding machine.

Embodiments of the present invention will be described below.
1 and 2 are views showing a sleeve removing device of this embodiment. FIG. 1 is a perspective view seen from above in an assembled state, and FIG. 2 is a perspective view seen from below in an assembled state.
The sleeve detaching device of this embodiment includes an annular member (outer packaging member) 1 composed of a pair of semi-annular members (a plurality of divided bodies) 11, 12, two rod-like members 2, a plate-like member 3, A screw rod member 4, a centering component (centering member) 6, and a disc-shaped handle 7 are provided.

  The semi-annular member 11 is formed with a female screw hole 11 b penetrating from an outer peripheral surface to an end surface facing the semi-annular member 12. The semi-annular member 12 is formed with a through hole 12b penetrating from an outer peripheral surface to an end surface facing the semi-annular member 11. This through-hole 12b is comprised by the large diameter part and the small diameter part, the end surface side is a small diameter part, and the outer peripheral surface side is a large diameter part. The head portion of the bolt 13 is disposed in the large diameter portion on the outer peripheral surface side, and the shaft portion of the bolt 13 is disposed in the small diameter portion.

The semi-annular member 11 and the semi-annular member 12 are coupled by screwing the tip of a bolt (coupling member) 13 inserted from the through hole 12 b of the semi-annular member 12 into the female screw hole 11 b of the semi-annular member 11. Thus, the annular member 1 is obtained. The inner peripheral surface 10 of the annular member 1 is designed to have a size capable of contacting the outer peripheral surface of the sleeve to be removed.
As shown in FIG. 3, the rod-shaped member 2 has a male screw 21 formed at one end in the length direction, and the male screw 21 is provided with female screws 11 c and 12 c provided at the center in the circumferential direction of the semi-annular members 11 and 12. Are screwed together. As a result, each one rod-like member 2 extends vertically (in the axial direction of the sleeve) from the upper surface of each semi-annular member 11, 12. The other end in the length direction of the rod-shaped member 2 is formed with a female screw hole 22 at the tip, and a flange 23 is provided at a position lowered from the tip by the plate thickness of the plate-like member 3.

  The planar shape of the plate-like member 3 is substantially a strip shape, and a female screw 31 that penetrates the plate surface is formed at the center thereof, and both ends in the longitudinal direction (positions along the radial direction across the female screw 31). ), A long hole (connecting portion) 32 is formed. The longitudinal direction of the long hole 32 is matched with the longitudinal direction of the plate-like member 3. Then, the upper end of the rod-shaped member 2 is put into each elongated hole 32 of the plate-shaped member 3 and the set screw 25 is screwed into the female screw hole 22 via the washer 24 so that the upper end of the rod-shaped member 2 is the plate-shaped member. 3 is fixed.

  By tightening the set screw 25 and loosening the set screw 25 from the state in which the rod-like member 2 is fixed to the elongated hole 32 of the plate-like member 3, the position of the tip of the rod-like member 2 with respect to the elongated hole 32 of the plate-like member 3 If the set screw 25 is tightened in a state where the position can be adjusted, the rod-shaped member 2 can be fixed at that position. By this position adjustment, the distance between the end faces of the semi-annular members 11, 12 can be changed.

  Both ends in the length direction of the screw rod member 4 are small diameter portions, and female screw holes are formed in both small diameter portions. The threaded rod member 4 is screwed into the female screw 31 of the plate-like member 3, and a centering component 6 is provided at the tip of the annular member 1 and the disc-like handle 7 is provided at the tip of the opposite side. It is attached. The disc forming the handle 7 has a center hole, and the center hole and the female screw hole of the small-diameter portion of the screw rod member 4 are aligned with each other, and the set screw 71 is screwed from the handle 7 side. It is fixed to the member 4.

  The centering component 6 includes a large-diameter portion 61 and a small-diameter portion 62, and the small-diameter portion 62 at the tip is a protrusion that is inserted into the tip of the seaming spindle. The end surface 61a on the small diameter portion 62 side of the large diameter portion 61 is a portion that presses against the tip surface of the seaming spindle. As shown in FIG. 3, a through hole 63 having a size that is loose with respect to the small diameter portion 41 of the screw rod member 4 is formed at the center of the centering component 6.

  The centering component 6 is attached to the screw rod member 4 using a set screw 65 and a washer 66 having a seating surface. That is, as shown in FIG. 3, the small diameter portion 41 of the screw rod member 4 is inserted into the through hole 63 from the large diameter portion 61 side of the centering component 6, and the washer 66 is overlapped on the small diameter portion 62 of the centering component 6. The set screw 65 inserted from the washer 66 side in the state is screwed into the female screw hole of the small diameter portion 41 of the screw rod member 4.

  With the set screw 65 tightened, there is a gap between the washer 66 and the centering component 6, and there is also a gap between the small diameter portion 41 of the screw rod member 4 and the centering component 6. Thereby, when the screw rod member 4 rotates, the washer 66 rotates together, but the centering component 6 does not rotate. In this way, the centering component 6 is attached to the tip of the screw rod member 4 so as to allow the screw rod member 4 to rotate.

The sleeve removing apparatus of this embodiment can be used, for example, by the following method.
First, the amount of protrusion of the screw rod member 4 from the plate-like member 3 to the annular member 1 side is reduced, and the bolt 13 is removed from the state shown in FIGS. 12 and the set screw 25 is loosened so that the rod-like member 2 is movable with respect to the elongated hole 32 of the plate-like member 3.

Next, the seaming chuck 112 is removed from the seaming spindle 102 of the can lid winding machine shown in FIG. In this state, as shown in FIG. 3A, the handle 7 is directed downward, the plate-like member 3 is disposed below the seaming spindle 102, and the seaming spindle 102 is formed by the semi-annular members 11 and 12. The outer periphery side of the sleeve 109 that is fitted on the outer periphery of the sleeve 109 is enclosed. At that time, the lower end portion of the rod-shaped member 2 moves along the elongated hole 32.
In this state, the tip of the bolt 13 inserted from the through hole 12 b of the semi-annular member 12 is screwed into the female screw hole 11 b of the semi-annular member 11. As a result, the semi-annular members 11 and 12 are joined to form the annular member 1, and the inner peripheral surface 10 contacts the outer peripheral surface of the sleeve 109, and the sleeve 109 is supported by the annular member 1.

Next, the handle 7 is turned to rotate the screw rod member 4 upward, thereby inserting the washer 66 at the tip and the small diameter portion 62 of the centering component 6 into the tip of the seaming spindle 102. The end surface 61 a of the large-diameter portion 61 is brought into contact with the tip surface of the seaming spindle 102. At that time, the lower end portion of the rod-shaped member 2 moves along the long hole 32, so that the position of the plate-shaped member 3 is adjusted.
Thereby, the centering of the seaming spindle 102 and the screw rod member 4 is performed. Next, the set screw 25 is tightened to fix the lower end portion of the rod-like member 2 to the long hole 32 of the plate-like member 3. FIG. 3A shows this state.

  From this state, the handle 7 is continuously rotated in the same direction, and the screw rod member 4 is continuously rotated upward. Accordingly, when the end surface 61a of the large-diameter portion 61 of the centering component 6 is strongly pressed against the end surface of the seaming spindle 102 and the screw rod member 4 cannot be raised, the female screw into which the screw rod member 4 is screwed. The plate-like member 3 having 31 descends. Accordingly, the annular member 1 moves down together with the rod-like member 2 fixed to the plate-like member 3. As the annular member 1 is lowered, the sleeve 109 and the collar 110 below the sleeve 109 are removed from the seaming spindle 102. FIG. 3B shows this state.

At the time of removal, the annular member 1 is in contact with and supports the lower part of the surface of the sleeve 109 where the oil seal 108 slides, so that the oil seal sliding surface of the sleeve 109 is damaged. Does not occur.
As described above, the sleeve removing device of this embodiment removes the sleeve 109 and the collar 110 below the seaming spindle 102 without removing the seaming spindle 102 from the can lid winding machine shown in FIG. Can do.
In addition, the sleeve removal apparatus of this embodiment can also be used in a state where the seaming spindle 102 is removed from the can lid winding machine shown in FIG.

1 Toroidal member (outer packaging member)
10 Inner circumferential surface of annular member (inner circumferential surface of semi-annular member)
11 Semi-annular member (divided body)
11b Female threaded hole 11c Female threaded 12 Semi-annular member (divided body)
12b Through-hole 12c Female screw 13 Bolt 2 Bar-shaped member 21 Male screw 22 Female screw hole 23 Flange 3 Plate-shaped member 31 Female screw 32 Long hole (connecting part)
4 Screw rod member 6 Centering parts 61 Large diameter part 61a End surface of large diameter part (part pressed against the tip surface of the seaming spindle)
62 Small diameter part (projection inserted into the tip of the seaming spindle)
63 Through-hole 65 Set screw 66 Washer 7 Handle 71 Set screw 101 Seaming head 101a Space serving as oil tank for lubricating oil 102 Seaming spindle 103 Knockout rod 104 Seaming roll 105 Lifter 106 Rolling bearing 107 Clamp ring 108 Oil seal 109 Sleeve 110 Color 111 O-ring 112 Seaming chuck 114 Seaming lever 121 Can lid 122 Can body (main body)

Claims (1)

A seaming head and a seaming spindle rotatably supported by the seaming head via a rolling bearing, and a sleeve having a sliding surface of an oil seal is fitted on the seaming spindle. A device for removing the sleeve from the seaming spindle of a can lid winder comprising:
A plurality of divided bodies divided in the circumferential direction of the sleeve, an outer packet member having an inner circumferential surface to be brought into contact with the outer circumferential surface of the sleeve;
A coupling member for coupling the plurality of divided bodies;
A rod-shaped member extending in the axial direction of the sleeve from each of the divided bodies;
A plate-like member having a connecting portion that is formed with a female screw penetrating the plate surface in the center and that connects the tip of the rod-like member so that the position thereof can be adjusted at the periphery,
A fixing member that fixes the tip of the rod-shaped member to a predetermined position of the connecting portion of the plate-shaped member;
A screw rod member screwed into the female screw of the plate-like member;
A tip end of the screw rod member that protrudes from the plate-like member toward the outer packaging member, and an end face that contacts the tip end face of the seaming spindle; and a protrusion that is inserted into the tip end portion of the seaming spindle. And a centering member attached to allow rotation of the screw rod member;
A handle provided at an end of the screw rod member opposite to the tip to which the centering member is attached;
I have a,
The centering member is formed of a cylindrical member having a large-diameter portion larger than an inner diameter of the seaming spindle and a small-diameter portion smaller than the inner diameter, and the small-diameter portion is disposed on a distal end side of the screw rod member. An apparatus for removing a sleeve from a seaming spindle , comprising a protrusion, wherein an end surface of the large diameter portion on the small diameter portion side is an end surface that presses against a tip surface of the seaming spindle.

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