JPH0560300U - High viscosity material filling device - Google Patents

Abstract

(57) [Abstract] [Purpose] High-viscosity materials such as hamburgers, croquettes, and kneaded products are pumped to the molding die at higher pressure using a positive displacement pump, so that the pumping side and the molding side are separated from each other. Can be placed. [Structure] A positive displacement pump is connected to a filling chamber having a molding die.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a filling device for pumping and filling high-viscosity materials such as hamburgers, croquettes, and paste products by a positive displacement pump toward a filling chamber containing a mold.

[0002]

[Prior Art]

 A conventional filling device 10 of this type is shown in FIGS. The filling device 10 has a device body 10a and a storage tank 10b which is arranged on the device body 10a and stores high-viscosity materials such as hamburger, croquette, and kneaded products. On the main body 10a, three vertical screw conveyors 14 driven by an electric or hydraulic motor 12 are arranged in parallel with each other, and the high viscosity material in the storage tank 10b is a belt conveyor 11 and a screw at the bottom of the storage tank 10b. It is configured to be introduced into the filling chamber 16 shown in FIG. 7 by the conveyor 14.

A template 18 shown in FIG. 8 is arranged in the filling chamber 16 so as to be capable of reciprocating sliding in the horizontal direction. The mold plate 18 has six mold holes 20 and can be reciprocated by a driving device (not shown). The mold cavity 20 is for filling and molding a high-viscosity material that is a mixture of minced meat, onion, bread crumbs, spices, etc. as a hamburger material, and one end of the mold plate 18 is an end portion of the filling chamber 16. It is slidably inserted in the slit 22 formed in the. Then, the mold plate 18 slides out of the filling chamber 16 while holding the mince or the like filled in the mold cavity 20, and the vertically moving punching machine 24 pushes the mince in the mold cavity 20 downward, which is then conveyed to the belt conveyor. 26 is designed to be conveyed to a predetermined position.

[0004]

[Problems to be solved by the device]

 In the conventional filling device 10, the high-viscosity material is pressure-fed to the filling chamber 16 by the screw conveyer 14. Therefore, when the pressure in the filling chamber 16 becomes high to some extent, the material in the filling chamber 16 moves to the spiral groove of the screw conveyer 14. It tends to be pushed back through.

The pressure in the filling chamber 16 has an important relationship with the density of the molded product, and if the pressure is insufficient, the molded product will be chipped or cracked and the product yield will deteriorate. Especially in winter, the viscosity of the material becomes relatively higher than in summer, and the yield tends to deteriorate. There is a limit to raising the temperature of the material in order to keep the viscosity low, from the viewpoint of maintaining product quality.

Therefore, in the conventional filling device 10, the distance between the screw conveyor 14 and the filling chamber 16 is set to the minimum distance from the viewpoint of preventing unnecessary pressure drop. Therefore, the degree of freedom in designing the device is small, and in fact, there is a disadvantage that the entire device 10 including the storage tank 10b and the screw conveyor 14 must be integrally configured. Since the sheath is very heavy, it takes a long time to replace the template, and it is difficult to clean the device, or the transportation and installation of the device and the lifting and charging of the material to the storage tank 10b are hindered. Was occurring.

[0007]

[Means for Solving the Problems]

 The present invention has been made to solve the above-described problems, and is to simplify a filling device and to pump a high-viscosity material into a filling chamber by a positive displacement pump.

[0008]

[Action]

 A positive displacement pump is a type of pump that forcibly pushes a fluid (high-viscosity material) from the suction side to the discharge side by the movement or change of the closed space generated between the casing and the movable member inscribed therein. Even if the pressure in the filling chamber becomes high, the material is not pushed back from the filling chamber in the backward direction, and it is possible to pump the high-viscosity material at a higher pressure than the conventional pressure feeding by the screw conveyor.

[0009]

【Example】

 FIG. 1 shows a rotary pump 30 as a positive displacement pump, which is the main part of the present invention, and a filling chamber 32. The rotary pump 30 is composed of a casing 32 and a pair of rotors 34, and is disposed in the middle of a passage 46 continuing to the filling chamber 32. A sealed space 38 is formed between the recess 34a of the rotor 34 and the inner surface of the casing 32, and the high-viscosity material held in the space 38 is forcibly transferred from the suction side 30a to the discharge side 30b. It has become so.

On the other hand, the filling chamber 32 is the same as the conventional one with a pressure adjusting piston 38 added, and is otherwise the same as the conventional one. The pressure adjusting piston 38 is composed of a piston 38a, a cylinder 38b and a compression spring 38c, and absorbs the pressure fluctuation in the filling chamber 32 due to the reciprocating sliding movement of the template 18 by the vertical movement of the piston 38a. This prevents variations in the density of molded products.

In this embodiment, the filling device is a molding unit 44 including a storage tank 40 and a rotary pump 30 as shown in FIGS. 2 and 3, and a filling chamber 32 as shown in FIGS. 4 and 5. , And these two units 42, 44 are connected by a pipe passage 46. By dividing the device into two units in this way, the degree of freedom in design is improved, and it is also advantageous in terms of transportation and installation of the device. For example, the pressure feeding unit 42 can be arranged with a freezing and thawing facility for convenient material charging, and the molding unit 44 can be arranged near the packaging process. Further, since the height of the storage tank 40 can be made lower than in the conventional case, lifting and charging of the material becomes easy.

More specifically, the pressure feeding unit 42 includes a pair of screw conveyors 48 at the bottom of the storage tank 40, and these are driven by a motor 50, gears 52, 54, 56, 58 and a chain 60. ing. In front of the screw conveyor 48, a head portion 62 for collecting the high-viscosity material at one place is formed, and the head portion 62 and the suction side 30a of the rotary pump 30 are connected by a passage 64. The rotary pump 30 is driven by a motor 66 and gears 68 and 70.

More specifically, the molding unit 44 is provided with a device 72 for reciprocally driving the template 18 on the unit body 44 a, and a part 72 a of the device is connected to the end portion 18 a of the template 18. Has been done. As shown in FIG. 5, the pressure adjusting pistons 38 are arranged in a pair on the left and right, and the high-viscosity material is divided into four parts by branch pipes 74, 76, 78 connected to the end of the passage 46, and the high-viscosity material is placed in the filling chamber 32. It is designed to be filled uniformly.

Next, the operation of this embodiment will be described.

The high-viscosity material such as mince taken out from the freezing and refrigerating facility is loaded into the storage tank 40, sent to the head portion 62 by the screw conveyor 48, and sucked into the rotary pump 30 through the passage 64. After that, after passing through the passage 46 and further divided by the branch pipes 74, 76 and 78, they are evenly filled so as not to be unevenly distributed in the filling chamber 32. The rotation speed or the pressure feeding speed of the rotary pump 30 is set according to the reciprocating cycle of the template 18 or the molding speed, and the filling chamber 32 is always maintained at a predetermined pressure. ing.

The pumping force of a positive displacement pump such as the rotary pump 30 is much larger than that of a screw conveyor. That is, in the conventional screw conveyor, the filling chamber pressure is usually 0.5 to 0.6 kg / cm ² , and the maximum is 1.0 kg / cm ² , whereas the rotary pump 30 makes the filling chamber pressure 1.0 to at least 1.0 kg / cm ^2. It can be 1.5 kg / cm ² . This pressure is the optimum pressure for forming the hamburger material. Therefore, even if the high-viscosity material such as minced meat stored in the storage tank 40 has a low degree of thawing and a relatively high viscosity, the problem of insufficient pressure in the filling chamber 32 due to a pressure drop in the middle of the pressure feeding passage occurs. Absent. Therefore, the deterioration of the quality of the molded product can be minimized by charging the material with a small degree of thawing, and at the same time, chipping or cracking of the molded product can be prevented.

As described above, when the mold plate 18 reciprocates while being filled with the high-density material under the ideal pressure, the mold hole 20 of the mold plate 18 is sufficiently filled with the material and formed into a disk shape. As in the conventional case, this molded product is pushed out of the mold hole 20 by the punching machine when the mold plate 18 slides outward, and is conveyed to a predetermined position by the belt conveyor.

Although the hermeticity of the filling chamber 32 is improved by adopting the rotary pump 30, the pressure fluctuation in the filling chamber 32 due to the reciprocating sliding movement of the template 18 causes the pressure fluctuation of the piston 38 a of the pressure adjusting piston 38. It is absorbed by vertical movement. Therefore, there is no possibility of unevenness or variation in the density of the molded product.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made. For example, as a positive displacement pump, in addition to a rotary pump, a snake pump or It is also possible to use a gear pump.

[0020]

[Effect of the device]

 As described above, the present invention uses a positive displacement pump to pump high-viscosity materials, so that the pumping force can be made larger than in the past, and therefore the pumping side including the positive displacement pump and the molding die are included. Even if the molding side is far away, the problem of insufficient pressure in the filling chamber due to the pressure drop in the pressure feeding passage does not occur. Therefore, the degree of freedom in designing and layout of the filling device can be improved, and for example, a unit including a positive displacement pump and a unit including a molding die can be separately configured, and both units can be connected by a pipe. By such a unitization, the transportation and installation of the device become extremely convenient.

Further, since the pumping force can be increased, it is possible to pump and mold even a material having a low degree of thawing and hence a relatively high viscosity without any problem, so that deterioration of the quality of the molded product can be minimized. At the same time, it is possible to prevent chipping or cracking of the molded product due to insufficient filling pressure for the mold.

[Brief description of drawings]

FIG. 1 is a conceptual diagram of a filling chamber and a rotary pump showing an embodiment of the present invention.

FIG. 2 is a side view of a pressure feeding unit.

FIG. 3 is a plan view of a pressure feeding unit.

FIG. 4 is a side view of a molding unit.

FIG. 5 is a front view of a molding unit.

FIG. 6 is a perspective view of a conventional filling device.

FIG. 7 is a conceptual diagram of a filling chamber and a screw conveyor of a conventional filling device.

FIG. 8 is a perspective view of a forming plate.

[Explanation of symbols]

 18 Molding Plate 20 Mold Hole (Molding Mold) 30 Rotary Pump (Positive Pump) 32 Filling Chamber 38 Pressure Adjusting Piston 42 Pressure Feeding Unit 44 Molding Unit 46 Passage

Claims (4)

[Scope of utility model registration request] 1. A filling chamber for accommodating a mold filled with a high-viscosity material such as hamburger steak, croquettes, and kneaded products, a passage connected to the filling chamber, and a high-viscosity material disposed in the passage. A high-viscosity material filling device having a positive displacement pump for feeding and filling the filling chamber with pressure. 2. The filling device according to claim 1, wherein the positive displacement pump is a rotary pump. 3. The filling device according to claim 1, wherein the positive displacement pump is a snake pump. 4. The filling apparatus according to claim 1, wherein the unit having the filling chamber and the unit having the positive displacement pump are separately configured, and the filling chamber and the positive displacement pump are connected by a pipe.