JPS61121842A - Threshing tooth clamp device in threshing barrel assembling device - Google Patents

Abstract

PURPOSE:To support a threshing barrel of large diameter and a threshing barrel of small diameter rotatably on a supporting body of the threshing barrel by arranging a tool for clamping the threshing tooth from inside of the threshing barrel and a tool for clamping the threshing tooth from outside in parallel. CONSTITUTION:A base table 8 has a fixed supporting frame 9 rotatably supporting plural threshing barrels 1, 2 by arranging them in parallel and moving supporting frames 12, 13. A second bed 40 fixed on the base table 8 has a moving table 38 provided with a tool 37 clamping to fix a threshing tooth 3 of the threshing barrel 1. And a first bed 7 has a truck 28 and the truck 28 has an inserting body 31 provided on its tip with a tool 46 for clamping to fix the threshing tooth 3 from inside of the threshing barrel 2. The moving table 38 is connected to the truck 28 through a pneumatic cylinder 30 and when they are moved, they are interlockingly connected with each other with a play of a constant distance therebetween.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a clamping and fixing device for handling teeth when assembling a handling barrel of a threshing machine, and particularly a double-line fixing device for a device having a plurality of such clamping and fixing devices. The invention relates to a connecting means.

Conventional technology A large number of handling teeth are attached to the handling barrel of a threshing machine, and a dedicated tightening and fixing device has traditionally been used to securely fix these handling teeth to the handling barrel with a constant tightening pressure. ing. This device inserts a long insert into the body of a handling cylinder placed in a predetermined position, and a nut tightening tool attached to one end of the insert is appropriately opposed to the nut, and the tool is rotated. The handle teeth are fixed to the handle barrel by tightening the nand. The applicant has proposed a device for tightening and fixing the handling teeth of a handling cylinder by further improving this prior art in Japanese Patent Application No. 56-105824 (Japanese Unexamined Patent Publication No. 58-10435).
No.). This device can rotatably support a large-diameter handling cylinder and a small-diameter handling cylinder at the same time between a fixed support and a movable support of the device. It is equipped with an insert that can be used for both handling cylinders, and furthermore, this inserter can be moved forward, backward, left, and right on the bed of the device and inserted into the body of handling cylinders of any diameter. , the handling teeth are fixed to the handling barrel by a napht tightening tool attached to the tip of the insert.

Problems to be Solved by the Invention The above-mentioned conventional technology can be used for tightening and fixing a handling cylinder with a relatively large diameter, but for a handling cylinder with a small diameter, it is necessary to use a tightening tool at the tip. The attached insert cannot be inserted into the handling cylinder, or even if it can be inserted, the gap B (gap between the insert and the inner diameter of the handling cylinder) necessary for tightening the nut cannot be created. There are cases where this is not possible. Therefore, conventional devices cannot be used for handling cylinders with such small diameters.

Furthermore, even if the diameter of the handling cylinder is large, the handling cylinder is of a type in which the handling teeth are tightened and fixed from the outside of the handling cylinder, whereas the conventional tool described above is inserted into the handling cylinder and tightened and fixed. The problem arises that the device cannot be used.

Means for Solving the Problems The present invention is intended to solve the problems of the conventional handling tooth clamping device for handling cylinders, and basically applies to large diameter handling cylinders and small diameter handling cylinders. can be rotatably supported on the support body of the handling cylinder at the same time, and an insertion type tightening tool is used for large diameter handling cylinders, and an external tightening type is used for small diameter handling cylinders. The above-mentioned problem is solved by arranging the tightening fixing device so as to use a tightening tool of the type, and configuring both types of tightening fixing devices to operate in conjunction with each other.

As a means to solve the above-mentioned problems, the present invention provides a fixed support frame 9 and a movable support frame 12, 13 for rotatably supporting a plurality of handling cylinders 1 and 2 in parallel on the base 8. A second bed 4 is mounted on the base 8 so as to be located above the handling cylinders 1 and 2.
0 is fixed, and the handling teeth 3 are attached to the bed 40 from the outside of the handling barrel 1.
A movable platform 38 having a tool 37 for tightening and fixing is placed so as to be movable back and forth, and a first bed 7 is provided in parallel to the base 8, and a cart 28 is placed on the acid head so as to be movable back and forth. In a device in which an inserter 31 having a tool 46 at the tip for tightening and fixing the handling teeth 3 from the inside of the handling cylinder 2 is attached to the cart 28, the movable table 38 and the cart 28 are connected to each other by a pneumatic cylinder device 30. From a handling tooth tightening fixing device in a handling barrel assembly device, characterized in that the trolley 28 and the movable table 38 are interlocked and connected with a certain distance of play during movement by connecting through the Become.

Operation When tightening and fixing the handling teeth to the handling cylinder, temporarily fasten the handling teeth to the handling cylinder in advance, and support the temporarily secured handling cylinder on the fixed support frame 9 and the movable support frame 12, 13 so as to be freely rotatable. At the same time, the carriage 28 is moved in the direction of the handling cylinders 1 and 2, and the insert body 31. Alternatively, the tightening tool 46.3 fixed to the moving table 38
7 is located at the corresponding position for tightening the handling teeth 3 of the handling cylinders 1 and 2, the tools 46 and 37 are rotated, and the tightening nand of the handling teeth 3 or the bolt is securely tightened with a constant pressure. At this time, the carriage 28 and the moving table 38 are interlocked and connected via the cylinder device 30, so even if the carriage 28 starts moving in the direction of the handling cylinders 1 and 2, only the cylinder 34 moves, and the cylinder 34
The piston 35 located inside does not move. When the cylinder 34 moves a certain distance in the direction of the handling cylinder and the left end of the cylinder 34 comes into contact with the piston 35, the left end of the cylinder 34 moves the piston 35 in the direction of the handling cylinders 1 and 2, and the piston 35 moves via the piston rod 36. Move the stand 38.

When the left end of the cylinder 34 comes into contact with the piston 35, the tightening tool 46 fixed to the tip of the insert body 31
This is the time when the tool has moved to the position of the tightening tool 37 fixed to the movable table 38. When one handling tooth 3 is tightened and fixed, the handling barrels 1 and 2 automatically rotate, the insert body 31 and the moving table 38 move, and the tightening tool 46 is moved to the tightening position of the next handling tooth 3. .37, and tighten and fix the handling teeth 3.

Embodiment FIGS. 1 to 5 show an embodiment of the present invention. FIG. 4 shows a large-diameter handling cylinder 2, and the handling cylinder 2 has a large number of handling teeth 3.
It has a pair of side plates 5 and a rotating shaft 6. A nut 4 for fixing the handling tooth 3 is located inside the handling cylinder 2, and when tightening and fixing the handling tooth 3, a tightening tool is positioned inside the handling cylinder,
This is done by rotating nut 4. FIG. 5 is a partial view of the small-diameter handling barrel 1, in which the handling teeth 3 are tightened and fixed from the outside of the handling barrel with a fixing device (such as a screw).

Next, the handling tooth tightening and fixing device of the handling barrel assembly device will be explained based on FIGS. 1 to 3.

7 is a bed, and 8 is a base connected to the bed 7, the upper surface of which is flush with the upper surface of the bed 7. 9 is a fixed support frame erected on the bed side end of the base 8; 10.1
Reference numeral 1 denotes a pair of guide rails for a small-diameter handling cylinder body and a pair of guide rails for a large-diameter handling cylinder body, which are arranged along the directions of arrows A and B on the opposite end of the bed of the base 8; Moving support frames are movably disposed on guide rails 10 and 11 in the directions of arrows A and B, respectively, and 14.15 is each moving support frame 1.
2.13, each of which is a movable-side fitting body rotatably supported by a movable side fitting body, and which is fitted into one end of each handling cylinder main body 1, 2, and tip tapered parts 14a and 15a, and each handling cylinder 1.2.
It has flange portions 14b and 15b which are brought into contact with one end surface of.

Reference numerals 16 and 17 designate a small-diameter handling cylinder main body support and a large-diameter handling cylinder main body support, which are arranged between the fixed support frame 9 on the base 8 and each guide rail 10.11. Fixed frame part 1
6a, 17a, and an arcuate portion 16c disposed on each frame portion 16a, 17a via leg portions 16b, 17b.
, 17C, each arc portion 16c, 17c
A small diameter handling cylinder 1 and a large diameter handling cylinder 2 to be assembled are placed on top. Reference numeral 18.19 denotes first and second hydraulic cylinder devices in which the handling cylinder 1.2 is mounted and supported on the base 8, and the tip of the piston rod is connected to each of the movable support frames 12.13. Move support frame 12.13 by arrow A.

This is to move it in the B direction. Reference numerals 20 and 21 denote fixed fitting bodies rotatably supported by the fixed support frame 9 facing each of the movable side fitting bodies 14 and 15, and the fixed support frame 9
The ring-shaped main body 22. is rotatably inserted into the through hole of the ring-shaped main body 22.
23 and a ring-shaped end 24.25 bolted to the opposite end of each handling cylinder 1,2 of said ring-shaped body 22.23, said end 24.25 being bolted to the opposite end of each handling cylinder 1.2. The tip tapered portions 24a and 25a are fitted into the other end of the
and a collar portion 24b that is brought into contact with the other end surface of each handling cylinder 1.2.
, 25b. Reference numeral 26 denotes a first motor disposed at the center of the fixed support frame 9, which intermittently rotates each ring-shaped main body 22, 23 at a predetermined angle via a gear mechanism. The handling cylinder 1゜2 is equipped with an appropriate positioning and connecting device (
(not shown), the fixed side fitting body 20 of the fixed support frame 9
．． It is fixed at 21. The nail is the entire structure of the movable tightening device, and is mounted on a trolley 2 that is movable on the bed 7 in the directions of arrows A and B.
8, a support stand 29 disposed on the trolley 28, and a support stand 2
It has a pair of pillars 41 erected on the pillar 9 and an elevating body 42 that fits into the pillars 41 so as to be movable up and down. 43 is the above pillar 4
1, a third hydraulic cylinder device 44 is placed on the top plate 43, and the tip of its piston rod is connected to the upper surface of the elevating body 42; 31 has a base end connected to the elevating body 42; A large-diameter handling barrel 2 having an insert body 45 that is fixed to the side surface of the body and whose tip extends toward each stationary side fitting body 21.
This is a handling tooth tightening fixing device, and the tip of the insert body 45 includes:
A tool 46 is provided to tighten and fix the handling teeth 3 from the inside of the handling barrel 2. Reference numeral 30 denotes a handling tooth tightening and fixing device for the small-diameter handling cylinder 1, and is equipped with a support arm 32 extending upward from a support base 29. A cylinder 34 of a pneumatic cylinder device 33 is attached to the upper end of the support arm 32. Parts are fixed. A piston 35 is slidably inserted into the cylinder 34,
The piston 35 has a piston loft 3 extending in one direction of the handling cylinder.
6 is fixed at one end. Air pressure is constantly applied to the chamber on the left side of the piston 35. The other end of the iron 36 is fixed to a tightening tool moving table 38, and the moving table 38 supports the handling cylinder 1 by means of a fixed support frame 9 and a support frame 39 fixed to the base 8.
, 2 is placed so as to be movable in the directions of arrows A and B on a second bed 40 supported above.

A tool 37 for tightening and fixing the handling teeth 3 to the small handling cylinder 1 from the outside is attached to the movable table 38. The tightening and fixing tools 37 and 46 are rotated by a suitable driving means (not shown), and tighten and fix the fixing device (nut screw, etc.) of the handling tooth 3 at a constant pressure. A second drive motor 47 is attached to one end of the bed 7, and reciprocates the carriage 28 via a screw shaft mechanism (not shown).

The configuration of the embodiment is as described above, but to explain the actual operation, when tightening and fixing the handling teeth 3 to the small diameter handling cylinder 1, as shown in FIG. The piston rod of the first hydraulic cylinder device 18 is temporarily fixed with the fixing tool 4, and the handling cylinder 1 without the side plates 5 at both ends is placed on the circular arc portion 16c of the handling cylinder main body support 16. Shrink it. Then, the movable support 12 is moved in the direction of arrow A,
The tip tapered portion 14a of the movable side fitting body 14 is fitted into one end of the small-diameter handling cylinder 1, and the small-diameter handling cylinder 1 is pushed in the direction of arrow A by the flange 14b, so that the other end of the small-diameter handling cylinder 1 is pushed in the direction of arrow A. This portion fits into the tip tapered portion 25a of the stationary side fitting body 20. As a result, the small-diameter handling cylinder 1 is placed in a state where it is slightly lifted from the circular arc portion 16c and supported by both fitting bodies 14 and 20. Then, the handling barrel 1 is connected to the stationary side fitting body 20 by an appropriate positioning and connecting device (not shown). Next, the second drive motor 47 is operated to drive the trolley 2.
8 from the state shown in FIG. 1 in the direction of arrow B. Trolley 2
8, the cylinder 34 of the pneumatic cylinder device 33 fixed to the support arm 32 also moves in the direction of arrow B, but the piston 35 within the cylinder 34 does not move. As the cylinder 34 moves in the direction of arrow B, air is discharged from the chamber on the left side of the piston 35 in the cylinder 34 via the check valve. When the cylinder 34 moves further and the piston 35 comes into contact with the wall of the left chamber of the cylinder 34, the wall causes the piston 35 to come into contact with the wall.
is pushed in the direction of arrow B, the movable base 38 connected to the rond 36 of the piston 35 is moved in the direction of arrow B, and the handle tooth tightening fixing tool 37 attached to the movable base 38 is secured to the fixing tool 4. Then, the tool 37 is rotated and the fixing tool 4' is tightened and fixed to a constant pressure.

When the tightening is completed, the tool 37 is released from the fixing tool 4', and then the first drive motor 26 is driven to rotate the stationary side fitting body 20 by a predetermined angle via a gear mechanism (not shown), and the fixed side fitting body 20 is integrally moved. Rotate the small-diameter handling cylinder 1 to face the fixing tool 4'' that will tighten and fix the tool 37, and tighten it in the same way.When moving the tool 37 further in the direction of arrow B, use the second This is done by driving the drive motor 47. In this way, the rotation of the handling cylinder 1 and the movement of the moving table 40 are performed sequentially, and the handling teeth 3 are attached to the handling cylinder 1'.
Tighten and secure with a constant tightening pressure.

Next, when tightening and fixing the handling teeth 3 to the large-diameter handling cylinder 2, the large-diameter handling cylinder 2 is rotatably supported on the fixed support frame 9 and the movable support frame 13 in the same way as the small-diameter handling cylinder 1, and then the The carriage 28 is moved in the direction of arrow B by driving the second drive motor 47, and the inserter 45 is moved.
Insert the tip into the large-diameter handling barrel 2 through the stationary side fitting pair 20, place the tightening tool 46 to face the nut 4 of the handling teeth 3, and rotate the tightening tool 46 to tighten the napft 4 to a certain degree. Tighten and secure with pressure. The subsequent operation is exactly the same as in the case of the small diameter handling cylinder 1.

Of course, the handling teeth 3 of the small-diameter handling cylinder 1 and the large-diameter handling cylinder 2 can be tightened and fixed at the same time.

Once the above-mentioned tightening operation is completed, it is sufficient to return the cart 28 to the position shown in FIG. 1, move the movable support frame 12, 13 in the direction of arrow B, and remove the handling cylinders 1 and 2.

Effects of the Invention (1) When tightening and fixing the handling teeth to the handling cylinder, the present invention provides a tool that tightens and fixes the handling teeth from the inside of the handling cylinder and a tool that tightens and fixes the handling teeth from the outside. Since they can be operated by the same drive (movement) device, both types of tightening and fixing work are possible: one type in which the handling teeth are tightened and secured to the handling cylinder from the outside, and the other type in which the handling teeth are tightened and secured to the handling cylinder from the inside. This can be done simultaneously and can also be used as a drive (movement) device for the tightening tool, so the structure is simple and the operation is easy.

(2) Since the trolley and the moving platform are interlocked and connected via a pneumatic cylinder device, it is possible to create a play in which the moving platform does not move when the trolley moves a certain distance, that is, the position shown in Figure 1. The insert body 45 located at the position is moved in the direction of arrow B, and the tip of the insertion pair 45 is positioned inward of the large-diameter handling cylinder 2 via the fixed side fitting pair 20, and the fixing tool tightens the tip of the insert body 45. The movable base 30 does not move until the tightening fixing tool 37 of the movable base 38 comes to the position shown in FIG. )
can be made to work. In other words, when the insert body 45 is attached to the support frame 9, 12, 13 of the handling cylinders 1 and 2, when it is not used for work etc., the insert body 45 is attached to the tool 46 at the tip of the fixed support frame 9 The mounting part must be placed in the left position (as shown in Figure 1), but the cylinder device 3
3 allows the insert 45 to be moved to the left position while the moving table 38 remains in the state shown in FIG.

[Brief explanation of the drawing]

Figures 1 to 3 show one embodiment of the present invention, with Figure 1 being a front view, Figure 2 being a plan view, Figure 3 being a side view, and Figure 4 being a schematic perspective view of a large diameter handling cylinder. FIG. 5 is a partial perspective view of the small-diameter handling cylinder. 1.2-...- Small diameter, large diameter handling cylinder, 3--... Handling teeth,
4--Nut, 4''--1--Fixing tools (screws, etc.), 7-----Bed, 8--1----
Base, 9--Moving support frame, 12.13--
---Moving support frame, 26.-----Drive motor,
27-------Moving tightening device, 28・----
1--Carriage, 29------1 Support stand, East-m=
-----・Small diameter handling cylinder tightening and fixing device, 31---------
・Large-diameter handling cylinder tightening and fixing device, 32-・-・-support arm,
υ・−・−m=−・Pneumatic cylinder device, 3t−−
---1...Cylinder, 35-------Piston, 36---1---Zeston Rondo, 37-------
--Tightening fixing tool, 38--Moving table, 39-
・-・Support frame, 40-------Second bed, 41-
・-・Strut, 42---1-・-Elevating body, 4, t--
------1 Third hydraulic cylinder, 45・-1------・
Insert, 46-----Tightening fixing tool, 47.-
-------First and second drive motor.

Claims (2)

[Claims] (1) A fixed support frame and a movable support frame that rotatably support a plurality of handling cylinders in parallel are provided on a base, and a second bed is fixed to the base so as to be positioned above the handling cylinders, A movable table having a tool for tightening and fixing the handling teeth from the outside of the handling barrel is mounted on the bed so as to be movable back and forth, a first bed is provided in parallel to the base, and a cart is mounted on the bed. In an apparatus in which an insert body is mounted on the carriage so as to be freely reciprocally movable and has a tool at its tip for tightening and fixing the handling teeth from the inside of the handling barrel, the movable carriage and the carriage are connected via a pneumatic cylinder device. A handling tooth tightening and fixing device in a handling barrel assembly apparatus, characterized in that the trolley and the movable platform are interlocked and connected with a certain distance of play during movement. (2) The cylinder of the pneumatic cylinder device is attached to the truck, and the piston rod of the piston that slides inside the cylinder is attached to the moving platform, and when the truck moves, only the cylinder moves at first, and the cylinder moves a certain distance. 2. The handling tooth tightening and fixing device in the handling barrel assembly apparatus according to claim 1, wherein the piston is moved by the cylinder as the piston is moved.