JPH11245193A - Can seam part cutting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To strongly hold a can at the cutting position at the time of cutting by respectively providing a turning member to be turned with a can receiver member and a support base with an engaging member to be engaged with each other per each turn of the turning member at the specified angle so as to stop the turn of the turning member and for releasing the engagement so as to turn the turning member. SOLUTION: A board 17 is moved toward a rotary knife 4 and a cutting off tool 6, and a can C is pushed to the rotary knife 4 while moving the rotary knife 4 in a groove hole 34, and a can seam part is cut by the rotary knife 4 and the cutting of tool 6. An operating handle 49 is reversely rotated so as to reset the board 17 and the operation handle 49 to the original position. Thereafter, when a rotary knob 23 is turned while resisting the energizing force of an energizing member for energizing an engaging projecting part 26, the engaging projecting part 26 is separated from the engaging recessed part for release of the engagement, and the engaging projecting part 26 is automatically engaged with a following engaging recessed part by turning a can receiver member 21 at 120 degree. Thereafter, a following can seam part is cut.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a can-clamping section cutting device for cutting a can-clamped section of a beverage such as beer in order to inspect the can-clamped section.

[0002]

2. Description of the Related Art As a process control and a quality control in a can winding process, a sample of a can C which is wound from a line after the winding process is randomly sampled, and usually a mark is previously formed as shown in FIG. The tape is cut into three narrow pieces P at intervals of 120 °, and the narrow pieces P are magnified by a projector, the dimensions of the shape are measured, and the tightening state is inspected.

[0003] Therefore, conventionally, for this purpose, the tightening portion of the can C is pressed against the rotating blade of the can winding portion cutting portion in which the cut-off blade is arranged between two rotating blades arranged at a small interval. Then, the cans C are manually rotated by 120 ° to cut the thin strips P at three places in order.

Since the strip P for inspection is collected as described above, it is difficult to obtain (1) a strip P having a cutting length necessary for the inspection, and (2) an accurate strip. It is difficult to position the cans C at 120 ° intervals, and (3) In the case of cans C having a shorter length, the cans C are manually cut during the cutting operation.
It is difficult to operate and position
Further, (4) such a problem that the rotary blade is broken at the time of cutting or an accident occurs.

[0005]

To solve such a problem, Japanese Patent Publication No. Hei 7-296 discloses a method for solving this problem.
A device such as a can-winding-section cutting device disclosed in Japanese Patent Publication No. 71 has been proposed. As shown in FIG. 11, this includes a pair of rotary blades 51, a parting blade 52 disposed therebetween, and a can mounting table 53.
Instead of pressing the canned part of the can C against 51, the can C is mounted on the can mounting table 53 and pressed against the rotary blade 51 to cut the canned part mechanically. Although the above problem (1) could be solved, problems (2), (3) and (4) could not be solved.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the conventional can-clamping-section cutting device, and to perform positioning accurately at 120 ° intervals regardless of the length of the can. In addition, the can can be securely held at the cutting position at the time of cutting, so that the can can be reliably cut, and further, the rotating blade cutting device that does not break the rotary blade or cause an accident at the time of cutting. To provide.

[0007]

According to the present invention, in order to achieve the above object, a cutting portion and an operating portion are provided on a support base, and the cutting portion is provided between a pair of rotary blades and an intermediate portion between them. The invention according to claim 1, further comprising a can-cutting-section cutting device having a cut-off blade disposed therein, wherein the operating section includes can receiving means and operating means for moving the can receiving means forward and backward with respect to the cutting section. The can receiving means comprises a substrate movably provided on a support base, and a cylindrical can receiving member having a rotating shaft rotatably supported by a bearing provided on the substrate; The pivoting member and the support base that pivot together with the receiving member
It engages every time it rotates 0 °, stops the rotation of the rotation member,
An engagement member capable of rotating the rotating member by releasing the engagement is provided.

According to a second aspect of the present invention, in the first aspect of the present invention, the engaging member comprises three engaging recesses provided at 120 ° intervals on the side surface of the bearing of the rotating shaft of the can receiving member. A rotating knob attached to the rotating shaft, a protruding / removable engaging protrusion provided on a surface of the bearing facing the engaging recess, and the engaging protrusion is engaged with the engaging recess. And an urging member for urging the member.

According to a third aspect of the present invention, in the first aspect of the present invention, the engaging member comprises three inclined engaging concave portions provided at 120 ° intervals on a peripheral surface of a flange of the can receiving member; An engaging rod rotatably installed on the support base, the head of which can be disengaged from the inclined engaging recess; and the head of the engaging rod is engaged with the inclined engaging recess. And a biasing member for biasing the workpiece.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the can receiving member is attached to the fixed receiving portion attached to the base plate and the fixed receiving portion is opened and closed. And a slot arranged in the axial direction of the can receiving member is provided at a position corresponding to the engaging member at the distal end opening of the can receiving member.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the fixed receiving portion of the can receiving member and the opening / closing receiving portion are located at different positions in the axial direction from the distal end opening. An annular groove is provided, and a detachable stop plate is provided in the annular groove.

According to a sixth aspect of the present invention, in the first aspect of the invention, the operating portion is provided on the support base.
A first pulley is mounted on an operating shaft provided in the same direction as the direction of movement of the can receiving member, and a second and third pulleys are mounted on a first support shaft erected on a support base, and a second pulley is mounted on a second support shaft laid horizontally. The four pulleys were rotatably mounted, and one end of the forward strip and one end of the reverse strip were connected to the substrate of the can receiving means, and both strips were wound around the second pulley and the third and fourth pulleys, respectively. Further, the other ends of the first and second pulleys are wound around and connected to the first pulley in the opposite direction.

According to a seventh aspect of the present invention, in the sixth aspect, the substrate is movably mounted on a guide rod laterally provided on the support base, and the substrate is always separated from the cutting position by the guide rod. And a biasing member for biasing in the direction of rotation.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the embodiment of the present invention shown in the drawings, a support base 1 is provided with a cutting section 2 and an operation section 3. The cutting unit 2 has a pair of rotary blades 4 and a parting blade 6 disposed therebetween, and the rotary blades 4 are attached to a rotary shaft 8 supported by a support unit 7 provided on the support base 1. A belt suspended between a pulley 11 attached to the rotating shaft 8 and a pulley 12 attached to a rotating shaft of a motor 9 provided on the support base 1.
13 to be rotated.

The operating section 3 includes a can receiving means 14 and the can receiving means 14.
There is provided an actuating means 16 for advancing and retracting the cutting part 2 with respect to the cutting part 2. The can receiving means 14 is a substrate 17 on which a movable member 20 provided on the back surface is slidably fitted on a guide rod 10 provided on the support base 1.
And a cylindrical can receiving member 21 rotatably supported by a bearing 19 provided on the substrate 17.

The can receiving member 21 has a fixed receiving portion 32 attached to the substrate 17 and an opening / closing receiving portion 33 attached to the fixed receiving portion 32 so as to be openable and closable. Then, it is fixed by the fixture 25. Then, a plurality of annular grooves 36-communicating with the fixed receiving portion 32 of the can receiving member 21 and the opening / closing receiving portion 33 at different positions in the axial direction from the distal end opening.
1, 2 and 3 are provided, and a detachable stop board 37 is provided in the annular grooves 36-1, 2, and 3. In FIG.
-1 is shown. In this case an annular groove
The distance from the tip opening of the can receiving member 21 to 36-1, 2, 3 is different depending on the size of the can C.
-1 is 250 ml, annular groove 36-2 is 350 ml, annular groove 36-3 is 50
The distance is set so as to be suitable for cutting the can-wound portion of the 0 ml can C.

As shown in FIG. 5, an engaging member 15 for stopping the rotary knob 23 every 120 ° is provided on the side surface of the bearing 19 and the opposite side surface of the rotary knob 23. The engaging member 15 includes three engaging concave portions 24 formed on the side surface of the bearing 19 at intervals of 120 °, and a rotation of the can receiving member 21 which can be disengaged from the engaging concave portions 24. It has an engaging projection 26 provided on the facing surface of the rotary knob 23 attached to the driving shaft 18. The engaging projection 26 is housed in a hole (not shown) provided on the side surface of the rotary knob 23, and is pressed by a spring (not shown) housed in the hole to project its head to the outside, It is immersed in the hole by external force. The can receiving member 21 is provided with a slot 34 arranged in the axial direction of the can receiving member 21 at a position facing the engaging member 15 at the distal end opening.

The operating portion 3 has a first pulley 41 mounted on an operating shaft 40 rotatably supported by a bearing 35 on the support base 1 in the same direction as the direction of movement of the can receiving member 21. A pair of second and third pulleys 43 and 44 are mounted rotatably above and below a first support shaft 42 erected on the first and second pulleys.
On the opposite side of the first pulley 41 with respect to the third and
A fourth pulley 47 is rotatably mounted on a second support shaft 46 provided in a direction perpendicular to the above.

The first and second mounting members 39 and 53 are suspended from the moving member 20 of the substrate 17 of the can receiving means 14, and one end of the forward strip 48 is connected to the first mounting member 39. The other end of the strip 48 is wound around the fourth pulley 47 and the third pulley 44,
The pulley 41 is wound rightward and connected. One end of the retreating strip 54 is connected to the second mounting member 53, and the other end of the retreating strip 54 is wound around the second pulley 43 and then left-wound to the first pulley 41.

An operation handle 49 is attached to an end of the operation shaft 40 which protrudes outside. As shown in FIG. 4, the bearing 35 of the operating shaft 40 is provided with a display 55 indicating a cutting stroke. Also, one bearing 45 of the guide rod 10 and the moving member 20
A spring 51 for urging the moving member 20 in a direction opposite to the bearing 45 is mounted on the guide rod 10 between the guide rod 10 and the spring 51 of the guide rod 10.
A stopper 52 is provided on the opposite side to the moving member 20 to contact the moving member 20.

In the above-described apparatus, when cutting the can winding part, the opening / closing receiving part 33 of the can receiving member 21 as shown in FIG. After the stop plate 37 is set in any one of the annular grooves 36-1, 2, 3 and 3, the can C is stored in the fixed receiving portion 32 such that the bottom thereof contacts the stop plate 37, and the open / close receiving portion 33 is opened. Close and secure with fixture 25.

Then, by operating the operating handle 49, the operating shaft
When the base 40 is rotated clockwise, the first pulley 41 is rotated in the same direction, and the substrate 17 is rotated by the motor 9 by the advancing strip 48 via the third pulley 44 and the fourth pulley 47. The rotary blade 4 and the cutting blade 6
Is moved in the slot 34, the can C is pressed against the rotary blade 4, and the can-clamped portion is cut by this and the parting blade 6.
During this time, the retreating strip 54 is unwound from the first pulley 41.

During the cutting operation in this manner, by monitoring the display 55 indicating the cutting stroke, the amount of advance of the rotary blade 4 and the parting blade 6 can be grasped. To stop. In this case, the cutting state may be visually grasped without providing the display 55 depending on the condition, or by other appropriate means.

When the operator releases the operating handle 49, the moving member 20 is retracted by the force of the spring 51, and the moving member 20 is moved forward.
8, transmitted to the first pulley 41 via the fourth and third pulleys 47 and 44 to rotate the operation handle 49 in the reverse direction, and thus the moving member 20 comes into contact with the stopper 52, Return the handle 49 to the original position. In this case, depending on the conditions, the operating handle 49 is manually provided without the spring 51.
May be returned, and the stopper 52 may be omitted.

Thereafter, when the rotating knob 23 is rotated against the urging force of the urging member for urging the engaging convex portion 26, the engaging convex portion 26 separates from the engaging concave portion 24 to engage. When the can receiving member 21 is rotated by 120 ° in this manner, the engaging projection 26
Automatically engages with the next engagement recess 24, and when such a state is reached, the next canned portion is cut in the same manner as described above.

A second embodiment shown in FIGS.
15 are provided at the circumferential surface of the flange 27 of the can receiving member 21 at three inclined engagement recesses 28 provided at 120 ° intervals, and are rotatably installed on the support base 1, and the heads thereof are inclined engagement recesses. An engaging rod 29 capable of being disengaged from the engaging rod 28 and an urging member 31 for urging the head of the engaging rod 29 to engage with the inclined engaging concave portion 28 are provided. The only difference from the first embodiment is that the operation is performed in exactly the same way as in the first embodiment, and a description thereof will be omitted.

In this way, when the cutting operation is performed, the cut position is accurately specified, so that the judgment of the cut position is not made, and the can can be properly held at the cut position. Since the can can be reliably cut and the can C is set in advance in a place suitable for the length according to the length, the operator can adjust the moving distance of the can C depending on the length. No need to adjust.

[0028]

The present invention is as described above, wherein a cutting portion and an operating portion are provided on a support base, and the cutting portion has a pair of rotary blades and a parting blade disposed therebetween. 2. The invention according to claim 1, wherein the operating portion is a can winding part cutting device provided with a can receiving means and an operating means for moving the can receiving means forward and backward with respect to the cutting part. A substrate movably provided on a base, and a cylindrical can receiving member having a rotating shaft rotatably supported by a bearing provided on the substrate, and a rotation that rotates together with the can receiving member. The member and the support base are engaged each time the rotating member rotates 120 °,
Since the rotation member is stopped and the engagement member that can rotate the rotation member by disengaging the engagement is provided, regardless of the length of the can, exactly 120 °
Positioning can be performed at intervals, and the can can be held firmly at the cutting position when cutting, ensuring that the can is cut at the correct position.In addition, the rotary blade may be damaged during cutting, causing an accident, etc. There is no effect.

According to the second aspect of the present invention, the engaging member is mounted on the rotating shaft with three engaging recesses provided at 120 ° intervals on the side surface of the bearing of the rotating shaft of the can receiving member. A rotary knob, an engagement protrusion that is provided on a surface of the bearing facing the engagement recess, and a releasable engagement protrusion, and a biasing member that biases the engagement protrusion to engage the engagement recess. The invention according to claim 3 has
The engaging member is rotatably installed on the support base with three inclined engaging concave portions provided at 120 ° intervals on the peripheral surface of the flange of the can receiving member, and the head thereof is attached to the inclined engaging concave portion. Since it has an engagement rod that can be disengaged and an urging member that urges the head of the engagement rod to engage with the inclined engagement concave portion,
At the time of the cutting operation, since the cut location is accurately specified, there is no difference in judgment of the cut location,
Moreover, there is an effect that the can C can be reliably cut and held properly at the cutting position.

According to a fourth aspect of the present invention, the can receiving member has a fixed receiving portion attached to the substrate, and an opening / closing receiving portion attached to the fixed receiving portion so as to be openable and closable. Since the opening is provided at a position corresponding to the engaging member with a slot arranged in the axial direction of the can receiving member, it is easy to attach and remove the can for cutting the tightened portion to and from the cutting device, and to rotate the can. There is an effect that the blade is accurately held at the rotational position.

According to a fifth aspect of the present invention, a plurality of annular grooves are provided in the fixed receiving portion of the can receiving member and the opening / closing receiving portion at different positions in the axial direction from the distal end opening, and the annular groove is detachable. Since the stop plate is provided, the can C is set in advance in a suitable place according to its length at the time of the cutting operation, so that the operator can adjust the moving distance of the can C depending on the length. The effect is that there is no need to adjust.

According to a sixth aspect of the present invention, the first pulley is mounted on an operating shaft provided on the support base in the same direction as the direction of movement of the can receiving member, and the first pulley is mounted on the support base. The first and second pulleys are rotatably mounted on one support shaft, and the fourth pulley is rotatably mounted on the laterally mounted second support shaft. One end of the forward and backward retraction members is connected to the substrate of the can receiving means. The two strips are wound around the second pulley and the third and fourth pulleys, respectively, and the other ends thereof are wound around the first pulley in the opposite direction. However, there is an effect that the operation is smoothly performed by a simple operation.

According to a seventh aspect of the present invention, the substrate is movably mounted on a guide rod laterally provided on the support base, and the guide rod is urged to constantly bias the substrate in a direction away from the cutting position. Is provided, the can receiving means automatically returns to the original position after the end of the cutting operation, so that there is an effect that no trouble is required.

[Brief description of the drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a partially cutaway plan view of the same.

FIG. 4 is a right side view of the same.

FIG. 5 is a front view of a can receiving means of the operating unit according to the first embodiment;

FIG. 6 is a sectional view taken along line 6-6 of FIG.

FIG. 7 is a plan view showing a state in which the open / close receiving unit is opened.

FIG. 8 is a plan view similar to FIG. 7 of a second embodiment of the present invention.

FIG. 9 is a cross-sectional view taken along line 9-9 of FIG.

FIG. 10 is a perspective view of the can with the can winding part cut off.

FIG. 11 is a schematic view of a conventional can-winding-section cutting apparatus of the same type as the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support base 2 Cutting part 3 Working part 4 Rotating blade 6 Cutting blade 7 Support part 8 Rotating shaft 9 Motor 10 Guide rod 11 Pulley 12 Pulley 13 Belt 14 Can receiving means 15 Engaging member 16 Operating means 17 Substrate 18 Rotating shaft 19 Bearing 20 Moving member 21 Can receiving member 22 Locking part 23 Rotating knob 24 Engagement concave part 25 Fixture 26 Engagement convex part 27 Flange 28 Inclined concave part 29 Engagement rod 30 Hinge 31 Urging member 32 Fixed receiving part 33 Opening / closing receiving part 34 Slot 35 Bearing 36 Annular groove 37 Stopper 38 Third operating shaft 39 First mounting member 40 Operating shaft 41 First pulley 42 First support shaft 43 Second pulley 44 Third pulley 45 Bearing 46 Second support Shaft 47 Fourth pulley 48 Forward strip 49 Operating handle 51 Spring 52 Stopper 53 Second mounting member 54 Back strip 55 Display

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yuji Watanabe Watanabe Iron Works Co., Ltd. 1-2-1, Aioicho, Hakata-ku, Fukuoka, Fukuoka

Claims (7)

[Claims] 1. A supporting base is provided with a cutting portion and an operating portion, wherein the cutting portion has a pair of rotary blades and a parting blade disposed therebetween, and the operating portion includes a can receiving means and a can receiving means. In a can winding part cutting device provided with an actuating means for moving a can receiving means forward and backward with respect to the cutting part, the can receiving means comprises a substrate movably provided on a support base and a bearing provided on the substrate. A rotatable can receiving member having a rotating shaft rotatably supported, the rotatable member and the supporting base rotating together with the can receiving member, each time the rotating member rotates 120 ° An engagement member capable of rotating the rotation member by engaging and stopping the rotation of the rotation member, and releasing the engagement, thereby providing a can winding part cutting device. . 2. The engaging member includes three engaging recesses provided at 120 ° intervals on a side surface of the bearing of the rotating shaft of the can receiving member, and a rotating knob attached to the rotating shaft. A reciprocating engagement projection provided on a surface facing the engagement recess, and a biasing member for biasing the engagement projection to engage the engagement recess. Item 7. A can-winding-section cutting device according to Item 1. 3. The engaging member is rotatably installed on a support base and three inclined engaging concave portions provided at 120 ° intervals on a peripheral surface of a flange of the can receiving member, and the head thereof has the head. An engaging rod capable of being disengaged from the inclined engaging concave portion, and an urging member for urging the head of the engaging rod to engage with the inclined concave portion. Item 7. A can-winding-section cutting device according to Item 1. 4. The can receiving member has a fixed receiving portion attached to the substrate, and an opening / closing receiving portion attached to the fixed receiving portion so as to be openable and closable, and a position corresponding to the engaging member at an opening at the distal end thereof. 2. The can winding part cutting device according to claim 1, further comprising a slot arranged in the axial direction of the can receiving member. 5. A fixed receiving portion of the can receiving member and an opening / closing receiving portion are provided with a plurality of annular grooves at different positions in the axial direction from the distal end opening, and a detachable stop plate is provided in the annular grooves. The can winding part cutting device according to claim 1 or 2, characterized in that: 6. An operation section, wherein a first pulley is mounted on an operation shaft provided on the support base in the same direction as the direction of movement of the can receiving member, and a second pulley is mounted on the first support shaft erected on the support base. The third pulley is rotatably mounted on the second support shaft, the fourth pulley being rotatably mounted on the second support shaft, and one end of the advance strip and the retreat strip is connected to the substrate of the can receiving means. 2nd pulley and 3rd
The can-clamping-section cutting device according to any one of claims 1 to 3, wherein the device is wound around four pulleys and their other ends are wound around and coupled to the first pulley in the opposite direction. 7. The substrate is movably mounted on a guide rod provided laterally on the support base, and the guide rod is provided with an urging member for urging the substrate in a direction away from the cutting position. The can winding part cutting device according to claim 6, wherein