JPS61202648A - Meat lump extruder in automatic meat lump stuffer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a green meat extrusion device in an automatic green meat filling machine that automatically and continuously fills a tubular casing with raw meat meat such as roast ham, boneless ham, pressed ham, etc.

Prior art The automatic green meat filling machine developed by the applicant and disclosed in Japanese Patent Publication No. 50-32315 and Japanese Patent Publication No. 52-27715 has a tubular casing pulled by a running body and fitted into a filling nozzle. With the opening end held tightly against the outer peripheral surface of the filling nozzle by the casing holding means,
A certain amount of meat contained in the meat stuffing hopper is pushed out from a filling nozzle by a pusher and filled into the tubular casing.

Problems to be Solved by the Invention However, in the above-mentioned filling operation process, when the pusher moves forward to fill the casing with meat chunks and then retreats toward the meat stuffing hopper, a negative force is created between the contact surface between the meat chunks and the front end of the pusher. There is a problem in that pressure is generated and the filled meat is pulled back together with the pusher due to its suction action, making it difficult to tightly bind and seal the open end of the casing.

The present invention has been made to solve this problem, and an object of the present invention is to provide a green meat extrusion device in which the pusher incorporates a valve means for communicating the front end portion of the pusher with the outside air.

Means for solving the problem, that is, in the green meat extrusion device according to the present invention, when the pusher retreats, the valve means incorporated in the pusher operates, and the gap between the front end surface of the pusher and the green meat is activated. It is characterized by being configured so that the space formed in the space is communicated with the outside air.

Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings. 1 is a meat stuffing hopper, which has a gutter-like meat loaf storage section 2 at the bottom;
A lid body 3 that seals the upper open portion of the housing portion 2 so as to be openable and closable.
is provided. The lid body 3 is moved up and down by a cylinder device 4.

As shown in FIG. 2, the accommodating part 2 has a semicircular cross section, and the lower side of the lid 3 is also formed into a semicircular concave curved surface corresponding to the accommodating part 2. When sealed, storage section 2
The meat M fed into the machine is shaped into a cylindrical shape. Note that the green meat M to be accommodated in the storage section 2 may be shaped in advance into a predetermined cylindrical shape, and the green meat M may be transported by a conveyor or the like and thrown into the storage section 2.

5 is a filling nozzle, which has a filling port 6 opened at the front end of the storage portion 2;
will be installed on the On the outer periphery of the tip of the filling nozzle 5, there is an open end 8a of a tubular casing 8 fitted into the filling nozzle 5.
A casing holding means 7 is provided for holding the casing in a fixed manner. There are several types of casing holding means 7, such as one in which a locking claw device is provided on the outer periphery of the filling nozzle 5, and one in which a split nozzle piece and a locking claw are combined. Since this is not a section, details will be omitted.

Reference numeral 9 denotes a tightening device of a fastener that seals the open end 8a of the casing 8 after it is filled with green meat M.

Reference numeral 10 denotes a pusher that pushes out the green meat M accommodated in the accommodation section 2 through the filling nozzle 5. The pusher 10 is located in the housing section 2
The piston rod 12a of the cylinder device 12 is slidably inserted into the cylinder 11 connected to the rear end, and the piston rod 12a of the cylinder device 12 is connected to the rear end. The pusher 10 is caused to reciprocate along the accommodating portion 2 by the cylinder device 12, and moves forward to the vicinity of the tip opening of the filling nozzle 5.

The pusher 10 has a built-in valve device 13 that communicates its front end with the outside air. The valve device 13 has a valve hole 15 bored inside a recess 14 formed in the front end portion of the pusher 10, a valve seat 16 provided on the periphery of the valve hole 15, and a valve seat 16 that communicates with the valve hole 15 and is connected to the rear of the pusher 10. It consists of a passage 17 that opens at the end and communicates with the outside air, and a disk-shaped valve body 18 that is disposed within the recess 14. Valve body 18 is pusher 10
It is fixed to the tip of a sliding shaft 19 fitted into the center of the valve seat 16, and is urged forward away from the valve seat 16 by a push spring 20 fitted to the sliding shaft 19. 21 in the figure is a stopper;
22 is a slot bored in the pusher 10 for fitting the stopper 21 onto the sliding shaft 19, and 23 is a screw hole for mounting.

The pusher 10 moves forward to store the meat mass M in the storage section 2.
When extruding from the filling nozzle 5 to fill the casing 8, as shown in FIG. Hole 15 is sealed. When the pusher 10 moves backward after the casing 8 is filled with green meat M, the valve body 18 protrudes forward due to the action of the push spring 20 and separates from the valve seat 16 and moves toward the front end of the pusher 10, as shown in FIG. A space 25 formed between the green meat M and the green meat M is communicated with the outside air through the valve hole 15 and the passage 17. Therefore, negative pressure is not generated in the space 25 due to the backward movement of the pusher v10, and the inconvenience of the meat M filled in the casing 8 being pulled back together with the pusher 10 is completely eliminated.

Effects of the Invention Since the green meat extrusion device of the present invention is configured as described above, no negative pressure is generated between the green meat pushed out by the pusher and filled into the tubular casing and the pusher moving backward, and therefore the filling This eliminates the inconvenience of the meat lump being pulled back together with the pusher, allowing for efficient automatic filling work.

[Brief explanation of drawings]

Figure 1 is a longitudinal sectional side view of the main parts of an automatic green meat filling machine equipped with an extrusion device according to the present invention, Figure 2 is a sectional view taken along line 2-2 in Figure 1, and Figures 3 and 4 are 5 is a front view of the pusher, and FIG. 6 is a sectional view taken along line 6-6 in FIG. 5.

Claims (2)

[Claims] (1) A meat stuffing hopper having a gutter-like meat loaf accommodating section at the bottom and a lid body that can open and close the upper open part of the accommodating section, and a filling opening at the front end of the accommodating section. a filling nozzle connected to the mouth; a casing holding means disposed on the outer periphery of the tip of the filling nozzle and holding the open end of the tubular casing fitted in the filling nozzle in close contact with the outer peripheral surface of the filling nozzle; An automatic green meat filling machine comprising: a pusher that reciprocates from the rear end of the green meat storage part to the tip opening of the filling nozzle to push out green meat; and an operating means for the pusher; A green meat extrusion device for an automatic green meat filling machine, characterized in that the pusher is provided with a valve means for communicating the contact surface with the green meat to be extruded with the outside air. (2) The valve means includes a valve hole provided at the front end of the pusher, a valve seat formed on the periphery thereof, a passage communicating with the valve hole to outside air, and a valve body engaged with the valve seat. and a spring means for biasing the valve body forward so as to separate it from the valve seat.