JPH0547771U - Auger ice machine - Google Patents

Abstract

(57) [Summary] [Purpose] The structure of the shaft support has been improved so that if the sliding surface of the shaft part of the auger supported by the upper bearing is worn, it can be dealt with without replacing the entire auger. , Ease of replacement work and reduction of replacement cost. [Structure] A cylindrical connecting portion 21 is provided at the center of the upper end surface of the auger 3, and a connecting screw 2 is provided at the tip of the connecting portion 21.
2 is cut, and an annular recess 23 is provided so as to surround the lower portion of the connecting portion 21. On the other hand, the rotary shaft 17 integrally having the ice delivery blade 18 is provided with an inner recess 24 in which the connection portion 21 is housed at its end and a female screw 25 provided at the back of the inner recess. The rotary shaft 17 is coupled by both screws, and the lower end of the cylindrical wall 17b, which is a part of the rotary shaft 17, enters the recess 23, both shaft cores are aligned, and the strength of the connecting portion is sufficient.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is applied to an auger type ice making machine, and more particularly to an improved structure of a shaft support structure in the upper part of an auger.

[0002]

[Prior Art]

 As shown in Japanese Patent Publication No. 61-41391 and Japanese Unexamined Patent Publication No. 3-117869, an auger type ice making machine has an auger rotatably arranged in a cooling cylinder, and the auger is driven by a motor through a reduction gear mechanism. When transmitted and rotated, the ice layer that grows on the inner wall of the cooling cylinder is scraped off. Then, the scraped ice pieces are compressed by passing through the ice compression passage formed on the outer peripheral surface of the upper bearing that pivotally supports the upper portion of the auger, and when leaving the ice compression passage, the scraped ice pieces are bent at the exit end. Formed on ice. Ice cubes are connected to an auger and are rotated by an agitator to be transported from an outlet to an ice storage.

[0003]

[Problems to be solved by the device]

 Here, in a conventional auger, a portion (main body portion) on which a spiral blade is formed to scrape off ice and a shaft portion (sliding portion) with an upper bearing are integrated. For this reason, if the shaft portion wears out, the entire auger must be replaced, and the cost of parts becomes expensive. The present invention has been made in view of the above points, and has been improved to a structure that can cope with the wear of the shaft portion without replacing the entire auger, thereby reducing the cost of replacement parts, and mounting and removing at that time. It is an object of the present invention to provide an auger type ice maker that simplifies work and improves maintenance and service.

[0004]

[Means for Solving the Problems]

 The present invention is rotatably arranged in a cooling cylinder, scrapes ice that grows on the inner wall of the cooling cylinder and moves it upward, a screw part protruding from the upper end of the auger, and a screw screwed to the screw part. It is characterized in that a cylindrical rotating shaft having a joint portion and an upper bearing for supporting the rotating shaft are provided.

[0005]

[Action]

 The upper rotary shaft of the auger can be formed by screwing the rotary shaft having the threaded portion onto the screw portion protruding from the tip of the auger. Since the auger and the rotating shaft are different, if this rotating shaft supported by the upper bearing is worn, it is possible to replace only this rotating shaft, and it is not necessary to replace the entire auger, which facilitates parts replacement work. In addition, the cost of parts will be reduced.

[0006]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. Reference numeral 1 is a cooler in which a cooling cylinder 2 is inserted. On the outer surface of the cooling cylinder 2, a vaporization pipe of a refrigeration system covered with a heat insulating material is wound, and an auger 3 is rotatably arranged inside the cooling cylinder 2. Reference numeral 4 is a motor for rotating an auger, and the rotation of the motor 4 is transmitted to the auger 3 through a reduction gear mechanism in a reduction mechanism case 5 for rotation. The cooling cylinder 2 has its lower end body portion coupled and fixed to the case portion 5 of the reduction gear mechanism by a bolt 6 and is attached with a water-sealing structure. The cooling cylinder 2 is supplied with water up to a predetermined water level via a water supply pipe 7 provided in the lower part thereof.

Reference numeral 8a denotes a refrigerant inlet pipe to the evaporation pipe, and 8b denotes a refrigerant outlet pipe from the evaporation pipe. An upper bearing 10 is mounted and fixed in the upper opening of the cooling cylinder 2 with a bolt 11. The bolt 11 also mounts and fixes a guide pipe (not shown) for guiding the carry-out of water which covers the outer surface of the cooling cylinder 2. A plurality of ice compression passages 12 are formed on the outer peripheral surface of the upper bearing 10. The ice compression passage 12 has a vertical space surrounded by a plurality of ribs radially protruding from the peripheral surface of the upper bearing 10 and recesses between the ribs and the inner wall surface of the cooling cylinder 2. Become.

The lower end of the rib is formed in a tapered shape so that the shaving ice can smoothly enter the ice compression passage. Further, the upper bearing 10 is formed with an ice-folded portion 13 on the upper portion thereof, and the tapered surface 13 a of the ice-folded portion 13 bends the stick-shaped compressed ice that has left the ice compression passage 12. Use ice cubes.

By the way, the shaft that rotatably supports the auger 3 by the upper bearing 10 is separate from the auger 3, and is attached to the tip of the auger 3 and can be detachably connected and fixed to the rotating shaft 17. use.

Moreover, as shown in FIG. 3, the shaft portion 17 has a structure in which an ice delivery blade 18 for delivering ice is integrally provided. As shown in FIG. 2, at the upper end portion of the auger 3, a connecting portion 21 composed of two stepped columnar portions 21a and 21b is provided coaxially with the auger 3, and the shaft portion is provided on the peripheral surface of the upper columnar portion 21a. A connecting screw 22 with 17 is engraved, and an annular recess 23 is formed at the hem portion of the lower cylindrical portion 21b. In short, the auger 3 is in a form having the blade portion 14 for scraping the ice growing on the inner wall of the cooling cylinder 2 and the lower shaft 15.

On the other hand, on the rotary shaft 17 side, as shown in FIG. 3, there is provided an internal recess 24 for receiving the two-stage cylindrical portions 21a, 21b, and of course, for this fitting. On the inner peripheral surface of the inner recessed portion of the inner recessed portion 24, a female screw 25 that is screwed with the connection screw 22 is formed. The lower part of the rotary shaft 17 is a cylindrical wall 17b, and the lower end of the cylindrical wall 17b is fitted into the annular recess 23 on the auger 3 side.

In this way, the concave portion 23 is provided in the upper part of the auger 3, and when the rotary shaft 17 is connected, a part of the rotary shaft 17 (cylindrical wall 17 b) is inserted into the concave portion 23 so that the rotary shaft 1 The axial center of 7 and the auger 3, that is, the straightness is secured, and the rotary shaft 17 and the connecting portion 21 can be screwed and fixed. In addition, the strength of the connection portion is secured. 2 and 3, the shaft core A is shown by a one-dot chain line. The auger 3 which is mounted and fixed on the rotating shaft 17 and is supported by the upper bearing 10 to rotate is used for a long period of time. As a result, when the rotating shaft 17 is worn, the auger 3 is screwed together. If you get rid of it, it will come off easily.

Therefore, if a new rotary shaft 17 is screwed onto the auger 3, it can be re-operated without replacing the expensive auger 3. Conventionally, the auger is completely pulled out from the cooling cylinder, so that the upper bearing is removed, the auger and the reduction gear mechanism are connected and disconnected, and the same work is required at the time of mounting, which is complicated. However, in the present invention, the auger is not removed as it is, and the upper bearing is not required to be removed, and the work of simply attaching and replacing the rotary shaft integrally formed with the ice delivery vanes is very simple.

[0014]

[Effect of the device]

 As described above, according to the present invention, the conventional auger has been used in which the part for scraping ice and the shaft part are integrally formed, but in the present invention, the shaft part is separated from the auger main body and separated. It is a member of the body. Then, the separate rotating shaft is detachably screwed and fixed to a screw portion projecting to the center of the upper end surface of the auger body so that the upper rotating shaft of the auger can be configured. As a result, when the shaft is worn, it is possible to deal with it by replacing only the rotating shaft without replacing the auger, which facilitates the replacement work, lowers the replacement cost, and improves maintenance and service. When mounting the rotating shaft, the auger main body and the rotating shaft are provided at the abutting portion with concave and convex portions that fit with each other, so that the axes can be aligned and the straightness can be secured.

[Brief description of drawings]

[Figure 1] External structure diagram of the auger type ice maker

FIG. 2 is a front view of the auger of the present invention.

FIG. 3 is a front view of the auger in a state where a shaft portion integrally formed with the ice delivery blade is detachably attached and fixed to an upper end.

[Explanation of symbols]

 2 Cooling cylinder 3 Auger 10 Upper bearing 12 Ice compression passage 17 Rotating shaft 18 Ice delivery blade 22 Connection screw 23 Recess 25 Female screw

Claims (1)

[Scope of utility model registration request] 1. An auger which is rotatably arranged in a cooling cylinder and scrapes off ice growing on an inner wall of the cooling cylinder to move it upward, a screw portion projectingly formed at an upper end portion of the auger, and the screw portion being screwed into the screw portion. An auger-type ice making machine comprising: a cylindrical rotating shaft having a threaded portion; and an upper bearing for supporting the rotating shaft.