JPS64745Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention is a threshing machine with a simple structure in which a catch net formed in an arc shape around the bottom of the handling chamber can be pulled out from a predetermined position. This invention relates to a support and guide structure for a net frame that allows the receiving net to be smoothly and reliably inserted into a predetermined position and removed from the machine.

(b) Prior art As described above, a conventional threshing machine in which a receiving net formed in an arc shape around the bottom of the handling chamber is removably retractable is disclosed in Japanese Utility Model Application Publication No. 53-67652 (conventional). Technology 1), Publication No. 50-142666 (prior art 2), Publication No. 11654 (prior art 3), Publication No. 1987-
59463 (prior art 4), Utility Model Publication No. 15430/1983 (prior art 5), etc. are known. Among these conventional methods, those of (Prior Art 1 and 2) have grooves in the arc shape of the mesh frame on both side plates, and both sides of the mesh frame are inserted into these grooves and pulled out along the curvature of the groove. Because it is something that has to be inserted or inserted, it is difficult to perform the work smoothly, and obstacles such as straw debris get in the groove, making it even more difficult to insert and remove it.

(Prior art 3) has arc-shaped receiving plates on both sides that support the mesh frame, and the mesh frame is inserted and removed along the arcuate surfaces of the receiving plates. During this work, the mesh frame is restricted by the receiving plate and the tips of the handling teeth, and there is no flexibility and smooth insertion and removal cannot always be expected.

In (Prior Art 4), the receiving net is divided into upper and lower parts to make it easier to insert and remove the receiving net. However, although this method is easy, the structure is complicated.

In the case of (prior art 5), after opening the machine wall below the feed chain and removing the grain board on the feed chain side below the handling room, the receiving net is released from the fixed position, and the machine is removed from the machine from the above-mentioned open point. Because it is constructed so that it can be taken out, it is difficult to attach and detach the receiving net.

(c) Problems to be solved by the invention As described above, with the conventional technology, it is difficult to remove the receiving net from a predetermined position and insert it into this position smoothly and easily. In addition, since the structure is complicated, the present invention has been improved and devised with the aim of solving these problems by having a simple structure and making it smooth, reliable, and easy to operate. It is.

(d) Means for Solving the Problems Therefore, in order to achieve the above-mentioned objective, the present invention provides a method in which the receiving net, which is formed in an arc shape and constitutes the lower circumference of the handling room at a predetermined position, is moved from this predetermined position. A threshing machine configured to be removable, wherein the receiving net is stretched over an integrated net frame and can be freely inserted and removed upward between a handling barrel and a guide wall for handling waste, which is installed on the opposite side of the feed chain. wherein the receiving net supports the net frame at the predetermined position at a portion of both side plates corresponding to the lower edges of both side frames of the net frame in the vicinity of a perpendicular line passing through the circumferential surface of the handling drum beside the guide wall. The guiding pins are respectively provided in a protruding manner, and a device is provided to freely release the fixing of the receiving net at a predetermined position.

(e) Effect With this configuration, if the fixing release device that fixes the catch net in a predetermined position is released and the net frame is pulled up by the rear end, the bottom of both side frames of the net frame can be removed. The edge can be pulled out upward along the tip of the tooth by sliding on the pin while being supported by the pin, and when inserting it into the specified position from this extracted state, the front end of the mesh frame must be When the lower edges of the middle parts of both side frames slide into contact with the guide wall while aligning the gap between the guide wall and the handling barrel with the tip of the handling teeth and fall down, the lower edges of the front ends of the side frames will rest on the pins. Supported, then
If you insert the mesh frame with the rear end close to the handling teeth, the lower edge of the mesh frame will slide on the pins and be supported and guided, and when it gets close to the designated position, the support part by the pins on the lower edges of both sides will become the fulcrum. If you insert it further while applying the rear end side to the guide wall side, it will reach the predetermined position. Therefore, the net frame is fixed to both side plates using a fixing/releasing device. In this way, the receiving net is inserted and removed, but when it is inserted and removed, the lower edges of both side frames are supported and guided only by the pins on both sides, so the rear end of the net frame is Since it can be moved freely to the side or to the guide wall side, it can be easily inserted and removed without being restricted by the tips of the handling teeth.

(F) Examples The present invention will be specifically explained below with reference to the drawings of examples.

FIG. 1 shows a schematic side view of a threshing machine according to the present invention, which has a feed chain 6 and a clamping rod 7 in front of a handling chamber 15, a swinging sorter 8 below, and a swinging sorter 8. A winnower 10, a No. 1 conveyor 11, and a No. 2 conveyor 12 are installed on the lower side from the starting end side to the end end side of the 8, respectively, a dust cylinder 9 is installed on the rear discharge culm side, and a suction dust extractor 13 is installed on the supply side. It is configured by providing.

In addition, a handling barrel 1 with handling teeth 14 is installed in a handling chamber 15, the upper circumference of the handling chamber 15 is formed with a removable handling barrel cover 16, and the upper rear side of the handling chamber 15 is equipped with a cutting blade 17. A cutting blade stand 18 is removably provided.

The lower circumferential side of the handling chamber 15 is formed by fixing an arc-shaped receiving net 2 at a predetermined position from the bottom to the rear of the handling barrel 1, as in the conventional structure.
This receiving net 2 has a connecting frame 19 between the front end and the rear end of both side frames a, which are formed in an arc shape similarly to this receiving net 2.
19' to form an integrated net frame A, a receiving net 2 is stretched over this net frame A, and a partition 2 is attached to the upper surface of the receiving net 2.
0 and 20 are set.

Holes 21 for inserting the fixing/releasing tool 3 are screwed into two places near the front side and near the middle of the above-mentioned side frames a, a, respectively.

Reference numeral b denotes a guide wall that is erected on the opposite side of the feed chain 6 and guides the material to be handled from the handling chamber 15 onto the swing sorting body 8 below.

The above-mentioned net frame A is inserted from above between the side plates B and B' that form the supply port and the discharge port on both sides of the handling chamber 15, and is fixed therein. At this time, mounting holes 22, through which the fixing release tool 3 can be freely inserted and removed, are bored in the portions of both side plates B and B' corresponding to the holes 21... screwed in the side frames a and a, respectively, and The netting is placed in the vicinity of the perpendicular line Pins 5, 5 that support and guide frame A
These pins 5, 5 support the net frame A by receiving the lower edges 4, 4 of both side frames a, a, and the connecting rod 19 at the front end is connected to the front lower part of the handling chamber 15. It is configured to abut against the net presser frame 23 on the side.

Therefore, when removing the receiving net 2 from the machine, remove the handling barrel cover 16 and the cutting blade base 18, and then release the fixing/releasing tool 3. Therefore, if you hold the rear end side of this mesh frame A and pull it up in the direction shown by arrow A in FIG. The teeth 14 slide with these pins 5, 5 while
It can be pulled out upwards along the tip.

To insert the receiving net 2 from this pulled out state, place the front end of the net frame A down and align the gap between the guide wall b and the handling barrel 1 with the tip of the handling teeth 14, and then insert the both side frames a,
When the lower edges 4, 4 of the middle part of a are brought into sliding contact with the guide wall b and dropped in the direction of arrow B as shown in Fig. 7, the side frame a,
The lower edges 4, 4 of the front end of the screen frame A are supported by the pins 5, 5, and then, when the rear end side of the mesh frame A is inserted closer to the handling teeth 14, the lower edges 4, 4 are attached to the pins 5, 5. 5 and is supported and guided, and when the receiving net 2 comes close to a predetermined position, the rear end side of the netting frame A is guided as shown in Fig. 8 C using the supported portion of the lower edge 4 by the pin 5 as a fulcrum. When it is further inserted while working against the wall b, it reaches the predetermined position, and the connecting rod 19 on the front end side abuts the net holding frame 23, and the net frame A is supported by the pins 5, 5, and each hole 2 is inserted.
1... correspond to the mounting holes 22... of both side plates B and B', respectively. Then, attach the fixing release tool 3 to the mounting hole 2.
2 and screw it in, the receiving net 2 is fixed in a predetermined position, and the cutting blade stand 18 and handling barrel cover 16 are finally attached.

In this way, the receiving net 2 is inserted and removed, and when it is inserted and removed, the lower edges 4, 4 of both side frames a, a are supported and guided only by the pins 5, 5 on both sides. From this, the rear end side of the net frame A can be freely moved toward the handling cylinder 1 side or the guide wall b side, and as a result, the front end part can be freely moved downward or upward, and is regulated by the tip of the handling tooth 14. It can be easily inserted and removed without any hassle.

Assuming that the pin 5 is not protruding, there is nothing to support and guide the net frame A when it is inserted into a predetermined position from above, and it falls downward as shown in FIG. Also, if you take care not to let this drop, the front end of the net frame A will come into contact with the handling teeth 14 as shown in FIG. This makes it difficult to insert the net 2 into a predetermined position.

(g) Effects of the invention As explained above, the present invention is a threshing machine in which the receiving net formed in an arc shape and forming the lower side of the handling chamber at a predetermined position can be extracted from this predetermined position. , in which the receiving net is stretched over an integral mesh frame and configured to be freely inserted and removed upward between the handling barrel and a guide wall for handling materials, which is erected on the opposite side of the feed chain; Pins for supporting and guiding the net frame are protrudingly provided in the vicinity of a perpendicular line passing through the circumferential surface of the handling cylinder on the guide wall at locations on both side plates corresponding to the lower edges of both side frames of the net frame, and Since the structure is equipped with a device that allows the net to be released from fixation at a predetermined position, when removing the receiving net from the machine, it is necessary to release the fixation from the device and pull the net frame upward by the rear end. If so, the lower edges of both side frames of the mesh frame can be successively supported by pins and slide against these pins to pull them out upward along the tip of the handling teeth, and from this pulled out state, they can be inserted into the specified position. If so, place the front end of the mesh frame down, align the gap between the guide wall and the handling barrel with the tip of the handling teeth, slide the lower edge of the middle part of both frames against the guide wall, and drop the side frame. The lower edge of the front end is supported by a pin protruding from a specific part, so if it is inserted in this supported state, the lower edge of the mesh frame will slide on the pin and be supported and guided. It can be inserted into a predetermined position.

Moreover, while the net frame is inserted and removed, the lower edges of both side frames are supported and guided only by the pins on both sides protruding from specific parts, so the rear end side of the net frame is attached to the handling cylinder side or the guide wall. This allows the front end to move freely downward or upward, giving it flexibility and making it easy to insert and remove without being restricted by the tips of the handling teeth. be.

As a result, according to the present invention, it is possible to smoothly and reliably insert and remove the receiving net easily with a simple structure.

[Brief explanation of the drawing]

The drawings are for illustrating the embodiment of the present invention, and FIG. 1 is a schematic side view of the threshing machine, FIG. 2 is a vertical side view of the main part, and FIG. 3 is a perspective view of the mesh frame. Figure 4 is a vertical side view with the receiving net removed.
Figure 5 is a cross-sectional plan view with the receiving net removed;
8 to 8 are explanatory views of the operation when inserting and removing the receiving net, and FIGS. 9 and 10 are explanatory views of the operation when no pin is protruded. 15... handling room, 2... receiving net, A... net frame, 6...
...Feed chain, b...Guide wall, 1...Handling cylinder,
a...Side frame, 4...Lower edge, B, B'...Side plate, X
-Y...perpendicular line, 5...pin, 3...fixing release tool.

Claims (1)

[Scope of utility model registration request] This threshing machine is configured such that a receiving net 2 formed in an arc shape and constituting the lower circumferential side of a handling chamber 15 at a predetermined position can be extracted from this predetermined position, and the receiving net 2 is stretched over an integral mesh frame A. In this structure, the receiving net 2 can be freely inserted and removed upward between the handling barrel 1 and the handling barrel 1 and the handling barrel 1, which is erected on the opposite side from the feed chain 6. The net frame A is supported and guided in the vicinity of the perpendicular line X-Y passing through the circumferential surface of the handling cylinder beside the guide wall b at the locations of the side plates B and B' corresponding to the lower edges 4 and 4 of a and a. A tool 3 for freely fixing and releasing the receiving net 2 at a predetermined position is provided with pins 5, 5 protruding from each other.
A support and guide structure for a net frame in a threshing machine, characterized in that it is configured by providing the following.