Machine tool floating range switching device

Abstract

The invention discloses a machine tool floating range switching device which comprises a first mounting piece and a second mounting piece which are in running fit, and further comprises a positioning pin, a positioning part used for being connected with the positioning pin is arranged on the first mounting piece, and a positioning part used for being connected with the positioning pin is arranged on the second mounting piece. And the second mounting piece is provided with a limiting part which is used for limiting different rotating central angles when the positioning pin and the second mounting piece relatively rotate. According to the scheme, the problem that in the prior art, the floating range of a machine tool is inconvenient to adjust is solved.

Description

Technical Field

[0001] The invention relates to an implement adjustment mechanism of an agricultural machine, in particular to an implement floating range switching device. Background Art

[0002] When agricultural machinery is in use, the working parts of the implements often need to adapt to the ground ups and downs or other directions relative to the walking chassis, so the implements need to be able to swing freely relative to the frame. Existing implements generally have only one swing range, but it is found in use that due to different use environments or purposes, the swing range of the implements needs to be adaptively adjusted to enable the performance of the agricultural machinery to be fully utilized.

[0003] Therefore, it is necessary to design a machine floating range switching device to adjust the swing range of the machine. Summary of the invention

[0004] The purpose of the present invention is to provide a floating range switching device for a machine tool, so as to solve the problem that the floating range of the machine tool is inconvenient to adjust in the prior art.

[0005] In order to achieve the above-mentioned purpose, the basic scheme of the present invention provides a machine floating range switching device, including a first mounting member and a second mounting member, the first mounting member and the second mounting member are rotatably matched, and also include a positioning pin, the first mounting member is provided with a positioning portion for connecting the positioning pin, and the second mounting member is provided with a limiting portion for limiting the rotation of different central angles when the positioning pin and the second mounting member rotate relative to each other.

[0006] The beneficial effect of this basic solution is that: by adopting such a setting, the positioning pin is connected with the positioning part, and the limiting part limits the size of the central angle corresponding to the relative rotation between the positioning pin and the second mounting part, thereby adjusting the relative rotation range between the first mounting part and the second mounting part. By installing the switching device between the frame and the implement of the agricultural machinery, it is convenient to adjust the floating range of the implement as needed, which is conducive to improving the working performance of the agricultural machinery.

[0007] Preferably, the limiting portion is provided with a limiting section for the positioning pin to move at different central angles relative to the second mounting member. With such a configuration, the difference in the central angle of rotation between the first mounting member and the second mounting member is mainly achieved by the difference in the limiting section, so the entire switching device can be provided with only one positioning pin to achieve the switching adjustment of the floating range of the machine tool, thereby making the switching adjustment clear at a glance and facilitating operation.

[0008] Preferably, at least two positioning parts are provided, and the limiting segments are provided in one-to-one correspondence with the positioning parts. With such a setting, it is convenient to realize switching adjustment by changing the position of the positioning pin to cooperate with different limiting segments, which is conducive to further improving the convenience of operation.

[0009] Preferably, the distances between all the positioning portions and the rotation axis of the first mounting member are the same.

[0010] Preferably, the distances between all the positioning parts and the rotation axis of the first mounting member are different. With such an arrangement, all the positioning parts are not arranged on the same arc path, which is conducive to improving the convenience of design and processing.

[0011] Preferably, each limiting segment is independently configured to be hole-shaped. With such a configuration, the limiting segments are not connected to each other, which is beneficial to ensuring the structural strength around the limiting segments, thereby facilitating improving the structural stability of the entire second mounting member.

[0012] Preferably, at least two positioning parts are provided, and at least two positioning pins connected to the positioning parts can be inserted into the limiting part at the same time. With such a configuration, when only one positioning pin is used to move in the limiting part, the floating range of the machine tool is at its maximum; when two positioning pins are used to move in the limiting part at the same time, since a certain space of the limiting part is occupied by the two positioning pins, the central angle corresponding to the remaining space of the limiting part is reduced, thereby changing the floating range of the machine tool, thereby achieving adjustment of the floating range of the machine tool.

[0013] Preferably, the limiting portion is an arc-shaped strip hole. Such a configuration is beneficial to improving the structural stability of the second mounting member. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a first embodiment of a floating range switching device for a machine tool according to the present invention; Figure 2 for Figure 1 A view along the axis of rotation; Figure 3 for Figure 2 The view when the locating pin is omitted in the AA section view; Figure 4 for Figure 2 Middle AA section view; Figure 5 for Figure 4 Schematic diagram of the middle positioning pin and the second limiting section when they are in cooperation; Figure 6 It is a schematic diagram of the second embodiment of the present invention; Figure 7 for Figure 6 A view along the axis of rotation; Figure 8 for Figure 7 The view when the locating pin is omitted in the BB section view; Fig. 9 for Figure 7 Middle BB section view; Fig.10 for Fig. 9 A view showing that both positioning pins are inserted into the limiting portion; Fig.11 It is a schematic diagram of another embodiment of the present invention. DETAILED DESCRIPTION

[0015] The following is further described in detail through specific implementation methods: The reference numerals in the drawings of the specification include: a first mounting member 1 , a second mounting member 2 , a limiting portion 3 , a second limiting section 31 , a first limiting section 32 , a positioning pin 5 , a rotation center hole 6 , and a positioning portion 7 .

[0016] Embodiment 1: basically as attached Figures 1 to 5 As shown: A floating range switching device for a machine tool comprises a first mounting member 1 and a second mounting member 2, and the first mounting member 1 and the second mounting member 2 are rotatably matched. In this embodiment, the first mounting member 1 and the second mounting member 2 are both plate-shaped, and the first mounting member 1 and the second mounting member 2 are connected by a rotating shaft (not shown in the figure) passing through a rotation center hole 6 to achieve mutual rotational cooperation. At least two positioning parts 7 are arranged on the first mounting member 1 with its rotation axis as the center, and the distances from all positioning parts 7 to the rotation axis of the first mounting member 1 are different. Preferably, all positioning parts 7 are distributed in a direction perpendicular to the rotation axis of the first mounting member 1. In this embodiment, two positioning parts 7 are arranged, namely a first positioning part 7b and a second positioning part 7a. A positioning pin 5 is detachably connected to the positioning part 7, so as to facilitate the adjustment of the position or number of the positioning pin 5 on the first mounting member 1.

[0017] The second mounting member 2 is provided with a limiting portion 3 for limiting the relative rotation between the positioning pin 5 and the second mounting member 2 to different central angles. Specifically, the limiting portion 3 is provided with limiting sections for the positioning pin 5 to move different central angles, and the limiting sections are arranged in a one-to-one correspondence with the positioning portion 7, so that when the positioning pin 5 is in different positioning portions 7, the central angles of the relative movement between the positioning pin 5 and the second mounting member 2 are different, thereby facilitating the adjustment of the amplitude range of the relative rotation between the first mounting member 1 and the second mounting member 2. In this embodiment, there are two limiting sections, namely the first limiting section 32 and the second limiting section 31, the central angle corresponding to the first limiting section 32 is β, and the central angle corresponding to the second limiting section 31 is α, and the central angle β is greater than the central angle α; the first limiting section 32 corresponds to the first positioning portion 7, and the second limiting section 31 corresponds to the second positioning portion 7. Preferably, the two limiting sections are independently arranged in a hole shape. Of course, when one of the limiting sections is a circular hole, the positioning pin cannot move relative to the second mounting member when inserted into the circular hole. At this time, the floating adjustment range of the machine is zero.

[0018] The specific implementation process is as follows: When in use, the switching device is installed between the frame and the tool. Specifically, the first mounting member 1 can be installed and fixed on the frame, and the second mounting member 2 can be installed and fixed on the tool. The relative swing of the tool relative to the frame can be achieved through the relative movement between the first mounting member 1 and the second mounting member 2, thereby achieving the floating of the tool. When only the positioning pin 5 in the first positioning portion 7b is inserted into the first limiting section 32, the positioning pin 5 can only move in the first limiting section 32, so the central angle of the relative rotation between the first mounting member 1 and the second mounting member 2 is only the central angle corresponding to the first limiting section 32, and the tool will correspond to a floating range. When the positioning pin 5 in the second positioning portion 7a is inserted into the second limiting section 31, the moving range of the positioning pin 5 in the second limiting section 31 is smaller than the moving range of the positioning pin 5 in the first limiting section 32, so the central angle of the relative rotation between the first mounting member 1 and the second mounting member 2 is only the central angle corresponding to the second limiting section 31, and the tool will correspond to another floating range. Since the first limiting segment 32 and the second limiting segment 31 correspond to different central angles, the floating range of the machine tool also changes, and the floating range of the machine tool can be switched and adjusted by changing the position of the positioning pin 5. Of course, this embodiment is only illustrated by two positioning parts 7 and limiting segments. In other embodiments, the number of positioning parts 7 and the number of limiting segments can be set to be more, and more switching adjustments of the floating range of the machine tool can be achieved by setting more limiting segments corresponding to different central angles.

[0019] Embodiment 2: Figures 6 to 10As shown, a floating range switching device for a machine tool comprises a first mounting member 1 and a second mounting member 2, and the first mounting member 1 and the second mounting member 2 are rotatably matched. In this embodiment, the first mounting member 1 and the second mounting member 2 are both plate-shaped, and the first mounting member 1 and the second mounting member 2 are connected by a rotating shaft to achieve mutual rotational cooperation. The first mounting member 1 is provided with two positioning parts 7 centered on its rotation axis, namely, a first positioning part 7c and a second positioning part 7d. In this embodiment, all positioning parts are at an equal distance from the rotation axis of the first mounting member 1, that is, all positioning parts are distributed along a circular arc path centered on the rotation axis of the first mounting member 1. A positioning pin 5 is detachably connected to the positioning part 7, so as to facilitate the adjustment of the position and number of the positioning pin 5 on the first mounting member 1. A limiting portion 3 is provided on the second mounting member 2 for limiting the size of the central angle of the relative movement of the locating pin 5 and the second mounting member 2. At least two locating pins 5 connected to the locating portion 7 can be inserted into the limiting portion 3 at the same time. By simultaneously connecting the locating pins 5 in two different locating portions 7, the sizes of the central angles corresponding to the arc lengths of the limiting portion 3 occupied by the two locating pins 5 are made different, so that the size of the central angle corresponding to the remaining arc length of the limiting portion 3 also changes accordingly, thereby facilitating the switching and adjustment of the amplitude range of relative rotation between the first mounting member 1 and the second mounting member 2.

[0020] The specific implementation process is as follows: When in use, the switching device is installed between the frame and the tool. Specifically, the first mounting member 1 can be installed and fixed on the frame, and the second mounting member 2 can be installed and fixed on the tool. The relative swing of the tool relative to the frame can be achieved through the relative movement between the first mounting member 1 and the second mounting member 2, thereby achieving the floating of the tool. When only the positioning pin 5 in the first positioning portion 7c or the second positioning portion 7d is inserted into the limiting portion 3, the positioning pin 5 can move within the entire length range of the limiting portion 3, so that the central angle of the relative rotation between the first mounting member 1 and the second mounting member 2 is equal to the central angle corresponding to the entire limiting portion 3, and the tool will correspond to a floating range. When the positioning pins 5 in the first positioning portion 7c and the second positioning portion 7d are inserted into the limiting portion 3 at the same time, the central angle of the relative rotation between the first mounting member 1 and the second mounting member 2 is equal to the central angle corresponding to the entire limiting portion 3 minus the central angle occupied by the space between the two positioning pins 5, and the tool will correspond to a different floating range, thereby changing the floating range of the tool.

[0021] This embodiment only illustrates the basic switching process by setting two positioning parts 7. Of course, in other embodiments, such as Fig.11As shown, more positioning parts 7 can be provided, for example, a third positioning part 7e can be provided between the first positioning part 7c and the second positioning part 7d. When only the positioning pins in the first positioning part 7c and the third positioning part 7e are inserted into the limiting part 3 at the same time, the size of the central angle of the relative rotation between the first mounting part 1 and the second mounting part 2 is another numerical range. Thus, by changing the size of the central angle corresponding to the space between the two positioning pins 5, the size of the central angle of the relative rotation between the first mounting part 1 and the second mounting part 2 is made into a more specific numerical range, so that the floating range of the machine can be switched and adjusted in more ways.

[0022] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A floating range switching device for a machine, characterized in that: It includes a first mounting member and a second mounting member, and the first mounting member and the second mounting member are rotatably matched; it also includes a positioning pin, the first mounting member is provided with a positioning portion for connecting the positioning pin, and the second mounting member is provided with a limiting portion for limiting the rotation of different central angles when the positioning pin and the second mounting member rotate relative to each other.

2. The floating range switching device for a machine tool according to claim 1, characterized in that: The limiting portion is provided with limiting sections for the positioning pin to move at different central angles relative to the second mounting member.

3. The floating range switching device for a machine tool according to claim 2, characterized in that: At least two positioning parts are provided, and the limiting sections are provided in one-to-one correspondence with the positioning parts.

4. The floating range switching device for a machine tool according to claim 3 is characterized in that: The distances between all the positioning portions and the rotation axis of the first mounting member are the same.

5. The floating range switching device for a machine tool according to claim 3, characterized in that: The distances between all the positioning portions and the rotation axis of the first mounting member are different.

6. A floating range switching device for a machine tool according to claim 2, 3, 4 or 5, characterized in that: Each limiting segment is independently configured to be in a hole shape.

7. The floating range switching device for a machine tool according to claim 1, characterized in that: At least two positioning parts are provided, and at least two positioning pins connected to the positioning parts can be inserted into the limiting part at the same time.

8. The floating range switching device for a machine tool according to claim 7, characterized in that: The limiting portion is an arc-shaped strip hole.

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