Machining fixture for a boom

Abstract

The utility model relates to a field of movable arm machining equipment, concretely relates to a kind of machining tool for movable arm.The machining tool includes: base;Shaft sleeve positioning structure, including the shaft seat being installed on base, the positioning shaft being installed on shaft seat, the sleeve being set on positioning shaft and being connected with shaft seat, and the positioning sleeve being set on positioning shaft;Side edge positioning structure, it is installed on base, and it is suitable to be in contact with the side edge of movable arm;Up and down clamping structure, including the support column being installed on base, and the pressing plate suitable to press movable arm upside;Side plate clamping structure, including the first clamping shaft and the second clamping shaft being oppositely arranged, the first clamping shaft and the second clamping shaft are suitable to be in contact on the two sides of side plate.The utility model relates to the machining tool for movable arm, and movable arm can be positioned by shaft sleeve positioning structure and side edge positioning structure, and positioning efficiency is high;Movable arm is clamped by up and down clamping structure and side plate clamping structure, and clamping is convenient.

Description

Technical Field

[0001] This utility model relates to the field of boom processing equipment, and more specifically to a processing fixture for booms. Background Technology

[0002] The loader boom is a crucial link between the cab chassis and the stick, possessing multiple functions including extension, rotation, lifting, and tilting. A loader boom typically consists of three components: the left and right boom side plate assemblies, and the rocker arm seat beam assembly.

[0003] In the assembly and processing of existing booms, positioning is often achieved through simple tooling and manual labor. The positioning structure is rudimentary, inefficient, and cannot guarantee processing accuracy.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Summary of the Invention

[0005] To improve or solve the technical problem of low boom clamping efficiency caused by the lack of specially designed clamping fixtures in the existing technology, this utility model provides a machining fixture for booms. The machining fixture includes: a base; a bushing positioning structure, including a bearing seat mounted on the base, a positioning shaft mounted on the bearing seat, a sleeve sleeved on the positioning shaft and connected to the bearing seat, and a positioning sleeve sleeved on the positioning shaft; a side positioning structure, mounted on the base and adapted to abut against the side of the boom; an upper and lower clamping structure, including a support column mounted on the base and adapted to support the lower side of the boom, and a pressure plate adapted to press against the upper side of the boom; and a side plate clamping structure, including a first clamping shaft and a second clamping shaft arranged opposite to each other, the first clamping shaft and the second clamping shaft adapted to abut against the two sides of the side plate.

[0006] This utility model relates to a machining fixture for booms, comprising a base, a bushing positioning structure, a side positioning structure, an upper and lower clamping structure, and a side plate clamping structure. The bushing positioning structure positions and clamps the rocker arm seat beam assembly; the side positioning structure positions one side of the boom; the upper and lower clamping structure clamps the side plate assembly vertically; and the side plate clamping structure clamps the side plate. Only the bushing positioning structure and the side positioning structure are needed to position the boom, resulting in high positioning efficiency. The bushing positioning structure includes a bearing, a positioning shaft, a sleeve, and a positioning sleeve. The positioning shaft is inserted into the bushing of the rocker arm seat beam assembly to position the assembly. The sleeve and positioning sleeve are located at both ends of the bushing to position and clamp the bushing along the length of the positioning shaft. The side positioning structure abuts against the side of the boom, thus positioning it. The upper and lower clamping structures include support columns and pressure plates, which abut against the upper and lower sides of the boom, respectively, enabling clamping of the boom in the vertical direction. The side plate clamping structure includes a first clamping shaft and a second clamping shaft, which abut against the sides of the side plate, enabling clamping of the side plate. With the above configuration, the machining fixture for the boom of this invention can position the boom using the bushing positioning structure and the side positioning structure, achieving high positioning efficiency; and the clamping of the boom using the upper and lower clamping structures and the side plate clamping structure makes clamping convenient.

[0007] Furthermore, a first support is detachably provided on the base, and a first mounting base is detachably provided on the first support, with the support column mounted on the first mounting base.

[0008] Furthermore, a limiting nut is provided on the support column, and the limiting nut abuts against the first mounting base.

[0009] Furthermore, a first mounting post and a second mounting post are provided on the base, and the pressure plate is installed on the first mounting post and the second mounting post.

[0010] Furthermore, positioning nuts are provided on the first mounting post and the second mounting post, and the positioning nuts are threadedly connected to the first mounting post and the second mounting post.

[0011] Furthermore, a second support is detachably provided on the base, and a second mounting base is detachably provided on the second support. The first clamping shaft and the second clamping shaft are adjustablely mounted on the second mounting base.

[0012] Furthermore, the first clamping shaft and the second clamping shaft are threadedly connected to the second mounting base.

[0013] Furthermore, at least two sets of the side positioning structures are provided along the length direction of the boom; each set of the side positioning structures includes a mounting plate mounted on the base and an abutment plate mounted on the mounting plate and adapted to abut against the side of the boom.

[0014] Furthermore, a third support is detachably provided on the base, and a third mounting base is detachably provided on the third support, with the mounting plate mounted on the third mounting base.

[0015] In summary, compared with the prior art, this utility model has the following beneficial effects: The bushing positioning structure can position and clamp the rocker arm seat beam assembly, the side positioning structure can position one side of the boom, the upper and lower clamping structures can clamp the side plate assembly in the upper and lower directions, and the side plate clamping structure can clamp the side plate. Only the bushing positioning structure and the side positioning structure are needed to position the boom, which has high positioning efficiency. Attached Figure Description

[0016] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which: Figure 1 This is a schematic diagram of an embodiment of the present invention for machining tooling for boom and boom assembly; Figure 2 This is a schematic diagram of an embodiment of the machining tooling for the boom of this utility model.

[0017] List of reference numerals in the attached drawings: 1. Base; 2. Bushing positioning structure; 21. Bushing; 22. Positioning shaft; 23. Sleeve; 24. Positioning sleeve; 3. Side positioning structure; 31. Mounting plate; 32. Abutment plate; 33. Third support; 34. Third mounting seat; 4. Upper and lower clamping structure; 41. Support column; 42. Pressure plate; 43. First support; 44. First mounting seat; 45. Limit nut; 46. First mounting column; 47. Second mounting column; 5. Side plate clamping structure; 51. First clamping shaft; 52. Second clamping shaft; 53. Second support; 54. Second mounting seat. Detailed Implementation

[0018] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0019] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] To improve or solve the technical problem of low boom clamping efficiency caused by the lack of specially designed clamping fixtures in the existing technology, this utility model provides a machining fixture for booms. The machining fixture includes: a base 1; a bushing positioning structure 2, including a bearing seat 21 mounted on the base 1, a positioning shaft 22 mounted on the bearing seat 21, a sleeve 23 sleeved on the positioning shaft 22 and connected to the bearing seat 21, and a positioning sleeve 24 sleeved on the positioning shaft 22; a side positioning structure 3, mounted on the base 1 and adapted to abut against the side of the boom; an upper and lower clamping structure 4, including a support column 41 mounted on the base 1 and adapted to support the lower side of the boom, and a pressure plate 42 adapted to press against the upper side of the boom; and a side plate clamping structure 5, including a first clamping shaft 51 and a second clamping shaft 52 arranged opposite to each other, the first clamping shaft 51 and the second clamping shaft 52 adapted to abut against the two sides of the side plate.

[0022] Figure 1 This is a schematic diagram of an embodiment of the present invention for machining tooling and assembling booms. Figure 2 This is a schematic diagram of an embodiment of the machining tooling for the boom of this utility model. For example... Figure 1 and Figure 2 As shown, in one or more embodiments, the machining fixture for the boom of this utility model includes a base 1, a bushing positioning structure 2, a side positioning structure 3, an upper and lower clamping structure 4, and a side plate clamping structure 5.

[0023] See also Figure 1 and Figure 2In one or more embodiments, the base 1 includes a base plate and a profile mounted below the base plate. Specifically, the base plate is generally rectangular in shape, and a pad is provided below a portion of the profile. A bushing positioning structure 2 is mounted on the base plate. Based on Figure 2 As shown, the bushing positioning structure 2 is located in the middle of the base 1 in the front-rear direction and near the right side of the base 1 in the left-right direction. In one or more embodiments, the bushing positioning structure 2 includes a bushing seat 21 mounted on the base 1, a positioning shaft 22 mounted on the bushing seat 21, and a sleeve 23 and a positioning sleeve 24 sleeved on the positioning shaft 22. Specifically, there are two bushing seats 21, which are arranged opposite each other in the front-rear direction, and through holes that mate with the positioning shaft 22 are opened on the bushing seats 21. Further, the bushing seats 21 are detachably mounted on the base plate by bolts. The two ends of the positioning shaft 22 are respectively inserted into the through holes of the two bushing seats 21. There are two sleeves 23, which are respectively close to the two ends of the positioning shaft 22 and abut against the two bushing seats 21. The positioning sleeve 24 is located in the middle of the positioning shaft 22. The bushing of the boom is positioned between the sleeve 23 and the positioning sleeve 24, thereby realizing the positioning and clamping of the bushing.

[0024] See also Figure 1 and Figure 2 The side positioning structure 3 is mounted on the base 1 and positioned close to the side of the base 1. Based on Figure 2 As shown, two sets of side positioning structures 3 are provided, positioned close to the rear side of the base 1, and respectively close to the left and right sides of the base 1. Alternatively, three, four, or other suitable numbers of side positioning structures 3 can be provided. Multiple sets of side positioning structures 3 are arranged at intervals along the length of the boom. In one or more embodiments, each set of side positioning structures 3 includes a mounting plate 31 mounted on the base 1 and an abutment plate 32 mounted on the mounting plate 31. The abutment plate 32 is arranged on the side of the mounting plate 31 close to the boom. Specifically, a third support 33 is detachably provided on the base 1, and a third mounting seat 34 is detachably provided on the third support 33, with the mounting plate 31 mounted on the third mounting seat 34. Exemplarily, the third support 33 is detachably mounted on the base 1 by bolts, the third mounting seat 34 is detachably mounted on the third support 33 by bolts, and the mounting plate 31 is detachably mounted on the third mounting seat 34 by bolts. The abutment plate 32 abuts against the boom, thereby positioning the boom.

[0025] See also Figure 1 and Figure 2The upper and lower clamping structures 4 are mounted on the base 1 and positioned near the four corners of the base 1. In one or more embodiments, four sets of upper and lower clamping structures 4 are provided, each set of upper and lower clamping structures 4 including support columns 41 and pressure plates 42 suitable for arrangement on the upper and lower sides of the boom. Specifically, there are two arrangements of the support columns 41, one in which the support columns 41 extend vertically upwards, and the other in which the support columns 41 extend obliquely upwards, based on... Figure 2 As shown, the vertically extending support column 41 is arranged on the left, and the inclined support column 41 is arranged on the right. Further, a first support 43 is detachably mounted on the base 1, and a first mounting seat 44 is detachably mounted on the first support 43. The support column 41 is adjustablely mounted on the first mounting seat 44. For example, the first support 43 is detachably mounted on the base 1 by bolts, and the first mounting seat 44 is detachably mounted on the first support 43 by bolts. Further, the support column 41 is generally stud-shaped, and a through hole matching the support column 41 is provided on the first mounting seat 44, with the support column 41 disposed within the through hole. A limiting nut 45 is provided on the support column 41, abutting against the first mounting seat 44 to prevent the support column 41 from moving downwards when supporting the boom. Alternatively, the support column 41 and the first mounting seat 44 form a threaded connection. Furthermore, the pressure plate 42 is generally elongated and has mounting holes and a waist-shaped groove. A first mounting post 46 and a second mounting post 47 are provided on the base 1. The first mounting post 46 is arranged in the mounting hole, and the second mounting post 47 is arranged in the waist-shaped groove, thereby installing and fixing the pressure plate 42. Specifically, positioning nuts are provided on the first mounting post 46 and the second mounting post 47, forming a threaded connection with the first mounting post 46 and the second mounting post 47. By rotating the positioning nuts, the pressure plate 42 is locked above the boom.

[0026] See also Figure 1 and Figure 2The side plate clamping structure 5 is mounted on the base 1 and arranged in two rows along the length of the boom. The two rows of side plate clamping structures 5 clamp the left and right side plates respectively. In one or more embodiments, each row of side plate clamping structures 5 has multiple side plate clamping structures 5. For example, each row of side plate clamping structures 5 has three side plate clamping structures 5. Alternatively, each row of side plate clamping structures 5 can have two, four or other suitable numbers. Specifically, each side plate clamping structure 5 includes a first clamping shaft 51 and a second clamping shaft 52 arranged opposite to each other. The first clamping shaft 51 and the second clamping shaft 52 respectively abut against the left and right sides of the side plate to clamp the side plate. Further, a second support 53 is detachably provided on the base 1, and a second mounting base 54 is detachably provided on the second support 53. The first clamping shaft 51 and the second clamping shaft 52 are adjustablely mounted on the second mounting base 54. For example, the second support 53 is detachably mounted on the base 1 by bolts, and the second mounting base 54 is detachably mounted on the second support 53 by bolts. The first clamping shaft 51 and the second clamping shaft 52 are provided with external threads on their circumferential outer sides, and the second mounting base 54 is provided with threaded holes that mate with the first clamping shaft 51 and the second clamping shaft 52, so that the first clamping shaft 51, the second clamping shaft 52 and the second mounting base 54 form a threaded connection, thereby clamping the side plate.

[0027] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A machining fixture for a boom, characterized in that, include: Base (1); The bushing positioning structure (2) includes a bushing (21) mounted on the base (1), a positioning shaft (22) mounted on the bushing (21), a sleeve (23) sleeved on the positioning shaft (22) and connected to the bushing (21), and a positioning sleeve (24) sleeved on the positioning shaft (22). Side positioning structure (3) is mounted on the base (1) and is adapted to abut against the side of the boom; The upper and lower clamping structure (4) includes a support column (41) mounted on the base (1) and adapted to support the lower side of the boom, and a pressure plate (42) adapted to press against the upper side of the boom; The side plate clamping structure (5) includes a first clamping shaft (51) and a second clamping shaft (52) arranged opposite to each other, the first clamping shaft (51) and the second clamping shaft (52) being adapted to abut against both sides of the side plate.

2. The machining fixture for a boom according to claim 1, characterized in that, A first support (43) is detachably provided on the base (1), and a first mounting seat (44) is detachably provided on the first support (43), and the support column (41) is mounted on the first mounting seat (44).

3. The machining fixture for the boom according to claim 2, characterized in that, A limiting nut (45) is provided on the support column (41), and the limiting nut (45) abuts against the first mounting base (44).

4. The machining fixture for a boom according to claim 1, characterized in that, A first mounting post (46) and a second mounting post (47) are provided on the base (1), and the pressure plate (42) is installed on the first mounting post (46) and the second mounting post (47).

5. The machining fixture for a boom according to claim 4, characterized in that, Positioning nuts are provided on the first mounting post (46) and the second mounting post (47), and the positioning nuts are threadedly connected to the first mounting post (46) and the second mounting post (47).

6. The machining fixture for a boom according to claim 1, characterized in that, A second support (53) is detachably provided on the base (1), and a second mounting base (54) is detachably provided on the second support (53). The first clamping shaft (51) and the second clamping shaft (52) are adjustablely mounted on the second mounting base (54).

7. The machining fixture for a boom according to claim 6, characterized in that, The first clamping shaft (51) and the second clamping shaft (52) are threadedly connected to the second mounting base (54).

8. The machining fixture for a boom according to claim 1, characterized in that, The side positioning structure (3) is provided in at least two sets along the length of the boom; each set of the side positioning structure (3) includes a mounting plate (31) mounted on the base (1) and an abutment plate (32) mounted on the mounting plate (31) and adapted to abut against the side of the boom.

9. The machining fixture for a boom according to claim 8, characterized in that, A third support (33) is detachably provided on the base (1), and a third mounting base (34) is detachably provided on the third support (33), and the mounting plate (31) is mounted on the third mounting base (34).

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