Adjustable tool for crankcase machining

Abstract

The utility model relates to the technical field of crankcase machining, in particular to an adjustable tool for crankcase machining, which comprises an adjustable tool main body, a positioning table is arranged on the adjustable tool main body, parallel mounting grooves are uniformly formed in the positioning table at intervals, and the mounting grooves are of inverted-T-shaped structures. A positioning seat is arranged on the adjustable tool body, a lifting air cylinder is installed at the upper end of the positioning seat, a rotary connecting rod is rotationally connected to the upper end of the lifting air cylinder through a fixed motor structure, a clamping piece is arranged at the other end of the rotary connecting rod through a rotary rod structure, and positioning racks are arranged on the same side in a mounting groove. And a displacement adjusting seat is clamped in the mounting groove. According to the adjustable tool for crankcase machining, the positioning base can be flexibly installed and fixed, the position of the positioning base can be rapidly adjusted, the tool can adapt to crankcases of various sizes and shapes, and the crankcase machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crankcase processing, in particular to an adjustable tooling for crankcase processing. Background Art

[0002] The crankcase is an important part of the internal combustion engine. It is the shell part of the engine used to accommodate the crankshaft, and is usually combined with the cylinder block to form the basic structure of the engine. The crankcase is usually cast, and then rough and fine machining, special process treatment, quality inspection, etc., and finally assembled. Therefore, the crankcase needs to be positioned by tooling to ensure the accuracy of the processing position.

[0003] In the existing crankcase processing, clamping and positioning are performed by tooling, such as a V-shaped tooling fixture for processing crankcases disclosed in publication number CN213970791U, which adapts to the shapes of different crankcases by changing the angle of the V-shaped clamping part. However, when the crankcase has an irregular shape, only clamping and positioning on three sides will lead to instability, affecting the accuracy of the crankcase processing position. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable tooling for crankcase processing, so as to solve the problem raised by the above background technology that when the crankcase on the current market has an irregular shape, only three-side clamping and positioning are performed, which will lead to instability and affect the accuracy of the crankcase processing position.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable tooling for crankcase processing, comprising an adjustable tooling main body, a positioning platform is provided on the adjustable tooling main body, and mounting grooves parallel to each other are evenly spaced on the positioning platform, and the mounting grooves are of a "丄"-shaped structure, a positioning seat is provided on the adjustable tooling main body, and a lifting cylinder is installed on the upper end of the positioning seat, the upper end of the lifting cylinder is rotatably connected to a rotating connecting rod through a fixed motor structure, and the other end of the rotating connecting rod is provided with a clamping piece through a rotating rod structure, positioning racks are respectively provided on the same side of the inside of the mounting groove, and a displacement adjustment seat is engaged in the mounting groove, and a connecting seat that is plugged and fastened with the positioning seat is integrally provided on the upper end of the displacement adjustment seat, an adjusting gear is installed on the bottom of the displacement adjustment seat through a built-in motor structure, and the adjusting gear is meshed with the positioning rack.

[0006] Preferably, the positioning seat is a truncated cone structure, and the positioning seat is supported on the positioning table.

[0007] Preferably, the length of the positioning rack is equal to the length of the mounting slot, and the positioning rack is located below the displacement adjustment seat.

[0008] Preferably, the displacement adjusting seat is also in a frustum structure, and the outer ring at the upper end of the displacement adjusting seat is in an inclined structure, and the cross-sectional dimension of the displacement adjusting seat is smaller than the cross-sectional dimension of the installation groove.

[0009] Preferably, the bottom of the displacement adjusting seat is symmetrically installed with lower support rollers through an integral convex structure, and the displacement adjusting seat is vertically installed, and the bottom of the lower support rollers supports on the bottom of the installation groove.

[0010] Preferably, side support rollers are symmetrically clamped and installed on opposite sides of the displacement adjusting seat, and the side support rollers are horizontally installed, and the rolling parts of the side support rollers are in contact with the side surface of the installation groove.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The adjustable tooling for crankcase processing can flexibly install and fix the positioning seat, and can quickly adjust the position of the positioning seat, enabling the tooling to adapt to crankcases of various sizes and shapes, and improving the efficiency of crankcase processing. The adjustable tooling for crankcase processing is provided with a displacement adjusting seat at the bottom of the positioning seat that can be embedded in the positioning table. The displacement adjusting seat meshes with a positioning rack fixed in the installation groove through an adjusting gear, which can realize the automatic adjustment of the displacement adjusting seat, and different numbers of positioning seats can be set according to needs, with better use effects. Description of the Drawings

[0012] Figure 1 It is a top view of an adjustable tooling for crankcase processing according to the present utility model;

[0013] Figure 2 It is a schematic cross-sectional structure diagram of an adjustable tooling for crankcase processing according to the present utility model;

[0014] Figure 3 It is a schematic connection structure diagram of the positioning seat of an adjustable tooling for crankcase processing according to the present utility model connected to the positioning table through a displacement adjusting seat;

[0015] Figure 4 It is a schematic meshing connection structure diagram of the adjusting gear and the positioning rack of an adjustable tooling for crankcase processing according to the present utility model;

[0016] Figure 5 It is a schematic bottom structure diagram of the displacement adjusting seat of an adjustable tooling for crankcase processing according to the present utility model;

[0017] Figure 6 It is a schematic upper structure diagram of the displacement adjusting seat of an adjustable tooling for crankcase processing according to the present utility model.

[0018] In the figure: 1. Adjustable tooling main body; 2. Positioning table; 201. Installation groove; 3. Positioning seat; 301. Lifting cylinder; 302. Rotating connecting rod; 303. Clamping piece; 4. Positioning rack; 5. Displacement adjustment seat; 501. Adjusting gear; 502. Side support roller; 503. Lower support roller; 504. Connecting seat. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figure 1-6The utility model provides a technical solution: an adjustable tooling for crankcase processing, comprising an adjustable tooling body 1, a positioning platform 2 is provided on the adjustable tooling body 1, and the positioning platform 2 is evenly spaced and provided with mutually parallel mounting grooves 201, and the mounting grooves 201 are of a "丄"-shaped structure, a positioning seat 3 is provided on the adjustable tooling body 1, and the positioning seat 3 is a round table structure, and the positioning seat 3 is supported on the positioning platform 2, and this structure enables the positioning seat 3 to position the lifting cylinder 301, the rotating connecting rod 302 and the clamping member 303, and the lifting cylinder 301 drives the rotating connecting rod 302 to rise and fall under the support of the positioning seat 3, and the rotating connecting rod 302 is in the lifting cylinder 30 1 is driven by the upper motor to drive the clamping member 303 to rotate, so as to achieve the final adjustment of the position of the clamping member 303, so that the clamping member 303 can clamp the crankcase so as to process the crankcase, and a lifting cylinder 301 is installed on the upper end of the positioning seat 3, and the upper end of the lifting cylinder 301 is rotatably connected with a rotating connecting rod 302 through a fixed motor structure, and the other end of the rotating connecting rod 302 is provided with a clamping member 303 through a rotating rod structure, and a positioning rack 4 is respectively provided on the same side of the installation groove 201, and the length of the positioning rack 4 is equal to the length of the installation groove 201, and the positioning rack 4 is located below the displacement adjustment seat 5, and this structure allows the displacement adjustment seat 5 to adjust the displacement adjustment seat 5 in the installation groove 201 by adjusting the gear 5 01 is moved by meshing with the positioning rack 4 to achieve the adjustment of the position of the positioning seat 3, and a displacement adjustment seat 5 is engaged in the installation groove 201, and a lower supporting roller 503 is symmetrically installed at the bottom of the displacement adjustment seat 5 through an integrated raised structure, and the displacement adjustment seat 5 is installed vertically, and the bottom of the lower supporting roller 503 is supported on the bottom of the installation groove 201. This structure allows the displacement adjustment seat 5 to be firmly supported by the lower supporting roller 503 when it moves in the installation groove 201, and side supporting rollers 502 are symmetrically installed on the opposite sides of the displacement adjustment seat 5, and the side supporting rollers 502 are installed horizontally, and the rolling parts of the side supporting rollers 502 are aligned with the installation groove 201. The groove 201 is in contact with the side, and this structure prevents the displacement adjustment seat 5 from being offset during movement, allowing the positioning seat 3 to be adjusted conveniently and quickly. The upper end of the displacement adjustment seat 5 is integrally provided with a connecting seat 504 that is plugged and fastened to the positioning seat 3. The bottom of the displacement adjustment seat 5 is equipped with an adjusting gear 501 through a built-in motor structure, and the adjusting gear 501 is meshed with the positioning rack 4. The displacement adjustment seat 5 is also a truncated cone structure, and the outer ring of the upper end of the displacement adjustment seat 5 is an inclined structure, and the cross-sectional size of the displacement adjustment seat 5 is smaller than the cross-sectional size of the mounting groove 201. This structure allows the displacement adjustment seat 5 to be stuck in the mounting groove 201 for positioning, and avoids obstruction to the movement of the displacement adjustment seat 5.

[0021] Working principle: When using the adjustable tooling for crankcase machining, first, when positioning the crankcase through the adjustable tooling body 1, place the crankcase on the positioning table 2. The number of positioning seats 3 is set accordingly according to the points to be positioned on the positioning table 2. Then, make the positioning seat 3 snap into the installation groove 201 through the displacement adjustment seat 5. The adjustment gear 501 meshes with the positioning rack 4 to position the displacement adjustment seat 5. The adjustment gear 501 rotates driven by the motor. Through the meshing of the adjustment gear 501 and the positioning rack 4, the displacement adjustment seat 5 is driven to move in the installation groove 201. The positioning rack 4 also plays a role in stabilizing and positioning the stop of the displacement adjustment seat 5 to ensure that the positioning seat 3 moves to the appropriate position. The connecting seat 504 plays a role in firmly connecting the positioning seat 3 and the displacement adjustment seat 5. When the displacement adjustment seat 5 moves in the installation groove 201, the side support rollers 502 support on both sides of the installation groove 201, and the lower support rollers 503 support on the bottom of the installation groove 201, providing a stable movement and support positioning for the positioning seat 3. When the positioning seat 3 is positioned, the lifting cylinder 301 adjusts the lifting of the rotating connecting rod 302 to adjust the clamping member 303 to the appropriate height. Then, the rotating connecting rod 302 rotates driven by the motor under the positioning of the lifting cylinder 301 to make the clamping member 303 clamp the crankcase, realizing the machining positioning of the crankcase, and thus completing a series of work.

[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adjustable tool for crankcase machining, comprising an adjustable tool body (1), characterized in that: The adjustable tooling body (1) is provided with a positioning table (2), and the positioning table (2) is evenly spaced with parallel mounting grooves (201) opened thereon, and the mounting groove (201) is of a "丄" shaped structure. The adjustable tooling body (1) is provided with a positioning seat (3), and a lifting cylinder (301) is installed at the upper end of the positioning seat (3). The upper end of the lifting cylinder (301) is rotationally connected with a rotating connecting rod (302) through a fixed motor structure, and the other end of the rotating connecting rod (302) is provided with a clamping member (303) through a rotating rod structure. On the same side inside the mounting groove (201), positioning racks (4) are respectively provided, and a displacement adjusting seat (5) is clamped in the mounting groove (201). An upper end of the displacement adjusting seat (5) is integrally provided with a connecting seat (504) inserted and fastened with the positioning seat (3). A bottom of the displacement adjusting seat (5) is installed with an adjusting gear (501) through a built-in motor structure, and the adjusting gear (501) is engaged with the positioning rack (4).

2. The adjustable tooling for crankcase machining according to claim 1, characterized in that: The positioning seat (3) is of a frustum structure and is supported on the positioning table (2).

3. The adjustable tooling for crankcase machining according to claim 1, characterized in that: The length of the positioning rack (4) is equal to the length of the mounting groove (201), and the positioning rack (4) is located below the displacement adjusting seat (5).

4. The adjustable tooling for crankcase machining according to claim 1, characterized in that: The displacement adjusting seat (5) is also of a frustum structure, and an outer ring of the upper end of the displacement adjusting seat (5) is of an inclined structure, and a cross-sectional dimension of the displacement adjusting seat (5) is smaller than a cross-sectional dimension of the mounting groove (201).

5. The adjustable tooling for crankcase machining according to claim 1, characterized in that: The bottom of the displacement adjusting seat (5) is symmetrically installed with lower support rollers (503) through an integral convex structure, and the displacement adjusting seat (5) is vertically installed, and the bottoms of the lower support rollers (503) are supported on the bottom of the mounting groove (201).

6. The adjustable tool for crankcase machining according to claim 1, characterized in that: On opposite sides of the displacement adjusting seat (5), side support rollers (502) are symmetrically clamped and installed, and the side support rollers (502) are horizontally installed, and rolling parts of the side support rollers (502) are in contact with the side surface of the mounting groove (201).

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