JP3078756B2 - Clearance adjusting device for envelope cutting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crevice adjusting device provided in a wrapping and cutting apparatus for producing foods such as steamed buns and ohagi to enable continuous operation and improve productivity.

[0002]

2. Description of the Related Art A conventional apparatus for producing foods such as buns and ohagi, which is owned by the present applicant, is disclosed in Japanese Patent No. 16078.
In the device of No. 49, when the continuous operation is performed for a long time, the sliding portion of the frame generates heat, the plastic of the frame thermally expands, the fitting of the sliding surface becomes tight, and as a result, the overload of the driving unit, Problems such as burning occurred. And
As an apparatus for solving the problem, there is Utility Model Registration No. 2115090 owned by the present applicant.
An adjusting device for adjusting a gap between the frame and the housing is provided on at least one side of the housing. Therefore, even if thermal expansion of the framework occurs,
By adjusting the gap between the frame and the housing, an appropriate fitting of the sliding surface can be realized, and overload and seizure of the drive unit can be eliminated, thereby enabling continuous operation.

However, the means for adjusting the clearance between the frame and the housing of the above-mentioned gap adjusting device adjusts the gap between the frame and the housing by rotating the handle to move forward or backward a pressing plate for pressing the frame. This requires a worker to visually adjust the handle, which is extremely difficult. That is, when adjusting the steering wheel, the operator is inevitably required to make a decision on the adjustment timing and the adjustment amount. There are many decision factors in this worker's decision making, which have been made visually and empirically. For example, it is necessary to comprehensively consider the operation time, the operation speed of the apparatus, the smoothness of the movement of the apparatus, the friction noise, and the like, when adjusting the thermal expansion due to heat generation. As for the adjustment amount for the next adjustment, the adjustment amount is determined empirically while appropriately predicting the above-described respective situations and the subsequent scheduled use.

[0004] That is, the decision making of the optimal adjustment timing and the optimal amount of adjustment depends on the skill of the device, such as the intuition of the operator and the knack, at present. The difference required a very delicate work, which resulted in a difference in judgment, and as a result, production efficiency and quality were also affected. Therefore, there has been a demand for an adjustment mechanism that reduces such determination without depending on the skill of the worker. As a solution, since the judgment of the worker is determined by various factors, the decision making system is programmed based on the judgment factors of the skilled worker, and the optimal adjustment time is adjusted by fuzzy control or the like. It is also conceivable to perform the automatic adjustment by calculating the optimum control amount, but the apparatus becomes complicated and large, and the apparatus becomes very expensive.

[0005]

SUMMARY OF THE INVENTION According to the present invention, the clearance between the framework and the housing can be easily and accurately adjusted.
An object of the present invention is to provide a clearance adjusting device for an envelope cutting device that is easier to use during cleaning and maintenance.

[0006]

The present invention has solved the above-mentioned problems by combining a pressing plate for adjusting the clearance between the frame and the housing with a coil spring or a leaf spring in a specific configuration.

That is, according to the present invention, a frame is formed by combining three or more rectangular pieces having two adjacent sides as sliding surfaces with their sliding surfaces in contact with each other, and this is housed in a polygonal housing. Further, the outer peripheral surface of the framework and the inner surface of the housing are used as sliding surfaces, and a central opening formed by sliding the framework is opened and closed to cut a bar-shaped cloth passing through the opening. In at least one side of the housing, in the wrapping and cutting device provided with a clearance adjustment device for adjusting the clearance between the frame and the housing, the clearance adjustment device includes a pressing plate, a supporting member thereof, a coil spring, and a handle screw, and is provided on one side of the housing. A support member is reciprocally slidable in a case fitted in the provided hole, a pressing plate is attached to one end of the support member, and a coil is provided in a cylindrical hole of the support member. The Ne provided, the coil spring is clearance adjustment device envelope cutting apparatus being characterized in that the spiral grooves and screwed integrally provided at one end of the handle screws that are screwed supported by the casing.

Further, according to the present invention, the clearance adjusting device comprises a pressing plate, a supporting member thereof, and a leaf spring, wherein the pressing plate is disposed with a leaf spring interposed in a case provided in a housing, and the supporting member is a pressing plate. A bar-shaped piece fixed substantially at the center of the housing, and is removably slidably and removably supported in a case which is a concave passage provided in the housing through the leaf spring. It is an adjustment device. With this configuration, even if thermal expansion of the frame occurs, it is possible to realize appropriate fitting of the sliding surface by adjusting the clearance between the frame and the housing. And, when the adjustment device is made to intervene with a coil spring or a leaf spring, even when an excessive load requiring adjustment is applied or when a gap is generated, the adjustment device automatically receives the elastic force of the coil spring or the leaf spring. It will be adjusted, and even if a control amount that is not suitable for the optimal control amount is given,
It is automatically adjusted by the elastic force.

Therefore, in a work requiring a skilled technique such as clearance adjustment, even a worker with little skill can reduce a burden depending on the adjusting work, and thus can continuously produce a product of constant quality constantly. Was. In addition, the maintenance and handling of the clearance adjusting device are improved by attaching or detaching the elastic body with the frame incorporated in the housing. In addition, particularly in the case of a multi-row, the number of adjustment points increases, so that the effect is extremely large.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of the present invention will be described with reference to FIGS. As the envelope cutting device of the present embodiment, the same device as that disclosed in JP-B-63-29979 is used. A frame 2 is formed by combining a plurality of square pieces 1. In the rectangular piece 1, the sliding surfaces 101 and 102 are in contact with the sliding surfaces of the adjacent rectangular pieces. The frame 2 is housed in the housing 3, and the outer surface 103 of the rectangular piece 1 slides on the sliding surface 4 of the housing 3. The sliding pin 5 is inserted into one of the rectangular pieces 1, and by sliding the rectangular piece 1 by driving means (not shown), the other rectangular pieces are also interlocked, and the opening 6 formed in the center is opened and closed to open and close the bar-shaped material. 1
8 is to be wrapped and cut. A clearance adjusting device 7 for adjusting the clearance C between the frame 2 and the housing 3 is provided at any position on the inner surface of the housing 3.

The clearance adjusting device 7 will be described. A case 9 is fitted in a hole provided in the housing 3. A support member 10 is provided in the case 9 and a pressing plate 11 is attached to one end thereof. The support member 10 is a case 9
The coil spring 1 has a cylindrical hole 12 which is reciprocally slidable in contact with the coil spring 1 and is detachably inscribed in the hole 12.
3 are provided. The strength of the coil spring 13 is selected according to the material of the rectangular piece 1 and the degree of use of the device. The coil spring 13 is regulated by one end of the handle screw 15 and is maintained in the hole 12. The handle screw 15 can be advanced and retracted into the hole 12 and has a diameter large enough to press the coil spring 13. One end of the handle screw 15 pressing the coil spring 13 has a spiral groove 16 over a predetermined width. And screwed into the coil spring 13. A handle screw 15 fixed to the handle 8 is screwed with the case 9 and a lock nut 17 for preventing loosening.

(Second Embodiment) A second embodiment will be described with reference to FIGS. Note that the same components as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted. Reference numeral 20 denotes an envelop cutting device in which five frames 2 each including the rectangular pieces 1 are provided at regular intervals in the width direction of the lower conveyor belt 21. 5 frameworks 2
Are fitted in the housing 3B so that the opening 6 can be opened and closed, while the outer surface 103 of the square piece 1 of the frame 2 is pressed by the clearance adjusting device 7B for adjusting the fit between the frame 2 and the housing 3B. ing.

The clearance adjusting device 7B comprises a pressing plate 11, its supporting member 10B and a leaf spring 22, and is provided at a symmetrical position of the frame 2 at a portion which does not hinder the reciprocating movement of a sliding pin 5 described later. Pressing plate 11 of clearance adjusting device 7B
And the leaf spring 22 are disposed in a case 23 provided in the housing 3B, and the leaf spring 22 is disposed so as to be sandwiched between the case 23 and the pressing plate 11, and the pressing plate 11 receives the force of the leaf spring 22 to press the frame 2. I do. The pressing plate 11 is a rectangular flat metal plate having a predetermined thickness, and has almost the same size to fit in the case 23.
3 at the same time as the sliding surface
Form one side. The support member 10B includes a pressing plate 11
And a rod-shaped piece fixed substantially at the center of the contact surface with the leaf spring 22. The rod-shaped piece penetrates the leaf spring 22 and is removably supported in a case 9B which is a concave passage provided in the housing 3B so as to be reciprocally slidable. . The leaf spring 22 is connected to the support member 10 described above.
A rectangular plate made of metal having a notch 22B through which B penetrates is provided substantially at the center, and has a concave shape obtained by bending a predetermined width at both ends in the same direction by a predetermined angle. The selection is made by appropriately checking the degree of fitting according to the state of wear and the state of use.

A drive transmitting portion for opening and closing the frame 2 includes an eccentric cam 23 rotated by a drive motor (not shown), an arm 24 rotatably connected to the eccentric cam 23, and a central portion at a rotation support shaft 25. , And rods 27 are axially mounted on both ends of the connecting arm 26, respectively, and are constituted by five sliding pins 5 provided on each rod 27. Although not shown, the rod 27 has a linear motion ball bearing unit (T
HK NSR type), and the reciprocating motion is smooth.

(Operation of the First Embodiment) When the handle 8 is rotated, the handle screw 15 advances, and the support member 10 advances via the coil spring 13.
The pressing plate 11 moves forward to hold the frame 2, and the clearance C of the frame 2 can be reduced. In the frame 2, the six rectangular pieces 1 are in contact with each other, so that when the pressing plate 11 advances, when the rectangular pieces 1 that are directly in contact with the pressing plate 11 are pressed, the other rectangular pieces are also interlocked with each other. And the play of each square piece 1 is reduced. When the handle 8 is rotated in the reverse direction, the coil spring 1
3, the pressing plate 11 retreats, the clearance increases, and the fitting with the housing 3 is loosened. Since the coil spring 13 is interposed between the support member 10 and the handle screw 15, the fitting of the frame 2 is transmitted to the handle 8 via the coil spring 13, so that the operator can intuitively judge the optimum amount. Further, the judgment is not quantitative and there is an individual difference. However, even when a slight excessive pressing force is applied or when the pressing force is slightly insufficient, the coil spring 13 is not affected.
The excessive force or the like is absorbed or reinforced by the elastic force, and as a result, the pressing force of the pressing plate 11 acts in the optimum direction. Therefore, the adjusting operation can be easily performed without requiring much skill. In addition, in the past, it was necessary to perform frequent adjustment work, for example, the thermal expansion process of the rectangular piece 1 during operation, or the exhibition and sale in which the operation time and the negative operation time are performed in a constant cycle. Even when performing multi-product production, etc., if the adjustment is within the range that can be dependent on the elastic force of the coil spring 13, the pressing force is automatically supplemented, so that the adjustment can be performed without the need for adjustment. Can be remarkably reduced.

In the present embodiment, the diameter of the handle screw 15 is substantially the same as or larger than the diameter of the coil spring 13, and a spiral groove 16 is provided at one end thereof so as to be screwed with the coil spring 13. Since the handle screw 15 and the coil spring 13 are integrally removed from the case 9 and can be freely inserted, it is extremely easy to replace the coil spring 13 or to attach the frame 2 at the time of cleaning or the like. That is, when the coil spring 13 cannot be pulled out in the direction of the handle 8, the support member 10 is always subjected to the force by the coil spring 13. For example, when the frame 2 is removed from the housing 3 for cleaning, the support member 10 is removed. When the pressing plate 11 is immediately pushed out by the coil spring 13 or, conversely, when assembling, since the pressing plate 11 has to put the frame 2 into the housing 3 while receiving the force of the spring 13, extremely complicated work is required. turn into. Therefore, since the coil spring 13 can be attached or replaced while the frame 2 is placed in the housing 3, the working efficiency can be further improved. Further, since the support member 10 is in contact with the case 9 and is capable of reciprocating sliding, the pressing plate 11 is inclined, for example, even when receiving a pressing force from the rectangular piece 1 near the end of the pressing plate 11. This allows stable opening and closing of the framework 2.

(Operation of the Second Embodiment) The rotation of the eccentric cam 23 causes the connecting arm 26 pivotally supported at the center via the arm 24 to reciprocate and swing.
The drive is transmitted to each rod 27 fitted into the frame 2 by the reciprocating linear movement of the rods 27 attached to both ends thereof. Therefore, in synchronization with the reciprocation of each rod 27,
The frame 2 repeatedly opens and closes in the housing 3B,
The bar-shaped food dough passing through the opening 6 is cut off. At this time, since the two sides of the frame 2 are pressed by the adjusting device 7B incorporating the leaf spring 22, even if a gap is generated due to abrasion in the frame 2 that repeats the opening and closing operation or the frame 2 expands due to frictional heat, the frame 2 is fitted. The fit is maintained in an optimal state, and the opening and closing of the frame 2 is performed without difficulty, thereby enabling stable cutting of the envelope. The support member 10
B is forcibly regulated from the side so as to be reciprocally slidable in the case 9B, which is a concave passage of the housing 3B, so that the pressing plate 11 does not tilt and the frame 2 is stable.
Can be opened and closed.

In particular, the frame 2 is divided into five rows shown in the present embodiment.
In the large-sized device provided with the above, the worker cannot adjust the fitting of the frame 2 during the operation of the machine due to hygiene and safety, but a leaf spring is provided on two opposite sides of each frame 2. By incorporating it, the pressing effect is increased, and the machine can be operated for a long time without stopping the operation. In addition, even in the case of multi-row, if the adjustment for each location is performed by the operator's judgment as in the conventional case, it takes extremely long time to adjust, but in the apparatus of the present embodiment, Since the adjustment in one cycle operation can be eliminated or greatly reduced, the production amount and the production time can be determined systematically, and there is a great effect that the machine can be effectively used and the stable production can be performed. In the present embodiment, the rectangular piece shown in FIG. 4 has been described. However, the present invention is not limited thereto, and any rectangular piece that slides in the housing may be used.
Japanese Unexamined Patent Publication (Kokai) No. 5-53453 discloses a half-opening method and a half-opening method for intentionally opening one cut surface without completely enclosing as disclosed in JP-A-5-317019. It may be a piece.

[0019]

According to the present invention, it is possible to reduce the frequency of the work of adjusting the clearance between the framework and the housing by using a very simple device, and to perform the adjustment work without the need for skilled skills. As a result, it has become possible to reduce the burden on equipment and the burden on workers in long-term continuous production.

[Brief description of the drawings]

FIG. 1 is a plan view showing a partial cross section of a first embodiment.

FIG. 2 is a plan view showing a pressing plate in a partial cross section of the first embodiment.

FIG. 3 is a side view showing a partial cross section of the first embodiment.

FIG. 4 shows a rectangular piece according to the first embodiment.

FIG. 5 is a front view of the second embodiment.

FIG. 6 is a partial front view of the second embodiment.

FIG. 7 is a partial perspective view of an adjusting device according to a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Square piece 2 Frame 3 Housing 7 Clearance adjusting device 8 Handle 9 Case 10 Support member 11 Press plate 13 Coil spring 15 Handle screw 3B Housing 7B Clearance adjusting device 10B Support member 22 Leaf spring 9B Case

──────────────────────────────────────────────────続 き Continued on the front page (56) References Japanese Utility Model 2-18583 (JP, U) Japanese Utility Model Showa 61-190601 (JP, U) Japanese Patent Publication No. 52-18612 (JP, B1) Registered utility model 3017907 ( JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A23G 1/00-9/30 A21C 11/10 A23P 1/08 B26D 1/45 B26D 3/00 602

Claims (3)

(57) [Claims] 1. A frame is formed by combining three or more rectangular pieces having two adjacent sides as sliding surfaces with their sliding surfaces in contact with each other to form a frame, and storing the frame in a polygonal housing. The outer peripheral surface of the framework and the inner surface of the housing are used as sliding surfaces,
A central opening formed by sliding the framework is opened and closed to cut a bar-shaped material passing through the opening, and a clearance for adjusting the clearance between the framework and the housing is provided on at least one side of the housing. In the wrapping and cutting device provided with an adjusting device, the clearance adjusting device includes a pressing plate and
The support member, coil spring and handle screw
Inside the case fitted in the hole provided on one side of the housing
The support member is provided so as to be able to slide back and forth, and is provided at one end of the support member.
Attach the pressure plate and insert the coil into the cylindrical hole of the support member.
The coil spring is screwed and supported by the case.
Screw into the spiral groove on one end of the handle screw
Clearance adjustment of the envelope cutting device characterized by being integrated
Equipment . 2. Three or more having two adjacent sides as sliding surfaces.
Framed by combining square pieces of
Formed in a polygonal housing, and
The outer peripheral surface of the framework and the inner surface of the housing as sliding surfaces,
Open and close the central opening made by sliding the framework,
It is configured to cut the bar-shaped dough passing through the opening.
And a frame on at least one side of the housing.
A clearance adjustment device that adjusts the clearance between
In the girder encasing cutting device, a plurality of the frameworks are provided, and
The gap adjustment device consists of a pressure plate, its supporting members and a leaf spring.
And press the leaf spring in the case provided in the housing.
The plate is arranged, and the support member is fixed to almost the center of the pressing plate
A rod-shaped piece that passes through a leaf spring and is
Reciprocally slidable and removably supported on a case that is a road
Clearance adjusting device for an envelope cutting device, wherein
Place . 3. The apparatus according to claim 2, wherein said clearance adjusting device is located at a target position of a frame.
3. The method according to claim 2, wherein a pair is provided.
A clearance adjustment device for the envelope cutting device .