Flexible centering and positioning device for cylinder cover blank machining

Abstract

The utility model provides a flexible centering positioning device for cylinder cover blank machining, which comprises a mounting plate, and positioning movable seat structures are supported on the left side and the right side of the front end of the mounting plate; a positioning electric cylinder is mounted on the left side of the positioning movable seat structure; a positioning electric cylinder output shaft supports a fastening expansion positioning seat structure, a guide rod is installed on the left side of the fastening expansion positioning seat structure, and the device is characterized in that the positioning movable seat structure comprises an assembling plate, and threaded rods are movably embedded in the upper portion and the lower portion of the right side of the front end of the assembling plate; the outer wall of the threaded rod is in threaded connection with a movable main seat; side sliding rails are movably embedded in the upper and lower sides of the movable main seat; mounting holes are formed in the upper side and the lower side of the left side in the assembling plate. Through the arrangement of the positioning movable seat structure, the position of the movable main seat is adjusted, and then the positioning electric cylinder is driven to be adjusted in a lifting mode, so that the positioning device is suitable for cylinder cover blanks of different models, and the situation that the whole integrity and precision are affected due to partial position abrasion caused by loosening of a clamping and positioning position is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of cylinder head blank processing and positioning, in particular to a flexible centering and positioning device used for cylinder head blank processing. Background Art

[0002] The flexible centering and positioning device is an instrument device that clamps the cylinder head blank for flexibly centering and positioning when the burrs on the surface are processed after the casting of the cylinder head blank is completed. In this way, the fixed cylinder head blank can remain stable during the burr processing process, so as to accurately remove the burrs and prevent overall damage and affect the accuracy. However, the distance between the placement and positioning points cannot be adjusted. In this way, different types of cylinder head blanks cannot maintain the tightness of the positioning after placement. In this way, they are easy to move during the processing, resulting in wear of some positions affecting the overall integrity and accuracy. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a flexible centering positioning device for cylinder head blank processing, which can adjust the height of the positioning point according to different models of cylinder head blanks, avoid loosening of the clamping positioning point, thereby causing wear at some positions and affecting the overall integrity and accuracy.

[0004] The technical solution is as follows: a flexible centering positioning device for cylinder head blank processing, including a mounting plate, the left and right sides of the front end of the mounting plate are supported by a positioning movable seat structure; a positioning electric cylinder is installed on the left side of the positioning movable seat structure; the output shaft of the positioning electric cylinder is supported by a fastening and expansion positioning seat structure, and a guide rod is installed on the left side of the fastening and expansion positioning seat structure, and it is characterized in that the positioning movable seat structure includes an assembly plate, the upper and lower parts of the right side of the front end of the assembly plate are movably embedded with threaded rods; a movable main seat is threadedly connected to the outer wall of the threaded rod; side slide rails are movably embedded on the upper and lower sides of the movable main seat; mounting holes are opened on the upper and lower sides of the left side of the inside of the assembly plate.

[0005] Preferably, a through hole is provided on the front side of the inner part of the threaded rod to allow an iron rod to pass through and drive the rod to rotate.

[0006] Preferably, the assembly plates are mounted on the left and right sides of the front end of the mounting plate through mounting hole bolts.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, the arrangement of the assembly plate and the mounting holes can be stably mounted on the mounting plate for use.

[0009] In the utility model, the movable main seat and the threaded rod are arranged to adjust the position of the movable main seat, thereby driving the positioning electric cylinder to rise and fall. This is suitable for cylinder head blanks of different models, avoiding loosening of the clamping and positioning parts, thereby causing wear at some parts and affecting the overall integrity and accuracy.

[0010] In the utility model, the side slide rails are arranged to assist the movable main seat in being installed stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the positioning movable seat structure of the utility model.

[0013] Figure 3 It is a structural schematic diagram of the fastening, expansion and positioning seat structure of the utility model.

[0014] In the figure:

[0015] 1. Mounting plate; 2. Positioning electric cylinder; 3. Guide rod; 4. Positioning movable seat structure; 41. Assembly plate; 42. Movable main seat; 43. Threaded rod; 44. Side slide rail; 45. Mounting hole; 5. Fastening and expanding positioning seat structure; 51. Mounting box; 52. Bidirectional screw; 53. Expansion seat; 54. Stepping motor; 55. Protective cover. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Example:

[0018] As attached Figure 1 As shown, a flexible centering positioning device for cylinder head blank processing includes a mounting plate 1, and the left and right sides of the front end of the mounting plate 1 are supported by a positioning movable seat structure 4; a positioning electric cylinder 2 is installed on the left side of the positioning movable seat structure 4; the output shaft of the positioning electric cylinder 2 is supported by a fastening and expansion positioning seat structure 5, and a guide rod 3 is installed on the left side of the fastening and expansion positioning seat structure 5.

[0019] As attached Figure 2 As shown, in the above embodiment, specifically, the positioning movable seat structure 4 includes an assembling plate 41, and the upper and lower parts of the front right side of the assembling plate 41 are movably embedded with threaded rods 43; the outer wall of the threaded rod 43 is threadedly connected with a movable main seat 42; the upper and lower sides of the movable main seat 42 are movably embedded with side slide rails 44; the upper and lower sides of the left side of the inner part of the assembling plate 41 are provided with mounting holes 45; when adjusting, the threaded rod 43 is rotated to drive the movable main seat 42 to be movably adjusted with the cooperation of the side slide rails 44.

[0020] As attached Figure 3As shown, in the above embodiment, specifically, the fastening and expansion positioning seat structure 5 includes a mounting box 51, in which a bidirectional screw 52 is movably embedded; a protective cover 55 is bolted on the outer side of the lower end of the mounting box 51; a stepper motor 54 is arranged inside the protective cover 55, and the stepper motor 54 is bolted to the mounting box 51; expansion seats 53 are inserted on the upper and lower sides of the mounting box 51, and the left side of the expansion seat 53 is threadedly connected with the bidirectional screw 52; the stepper motor 54 is driven to rotate the bidirectional screw 52 to drive the expansion seat 53 to expand, thereby realizing the flexible centering positioning of the cylinder head blank.

[0021] In the above embodiment, specifically, the side slide rails 44 are movably connected to the movable main seat 42, and the side slide rails 44 are bolted around the front end of the mounting plate 1, and the left side of the movable main seat 42 is bolted to the positioning electric cylinder 2 to assist the movable main seat 42 in maintaining moisture and stability during the lifting process.

[0022] In the above embodiment, specifically, the guide rods 3 are inserted into the upper and lower sides of the movable main seat 42 to cooperate with the installation box 51 for stable lateral movement.

[0023] In the above embodiment, specifically, the installation box 51 is bolted onto the output shaft of the positioning electric cylinder 2 , and the upper and lower outer sides of the installation box 51 are bolted to the guide rod 3 .

[0024] In the above embodiment, specifically, the expansion seat 53 is configured to be L-shaped, and is provided in plurality, and is movably connected via a bidirectional screw 52, ​​and is tightened against the cylinder cover during movement to increase stability.

[0025] How it works

[0026] The working principle of the utility model is as follows: when the cylinder head blank is processed, it is placed on the front side of the mounting plate 1 and the positioning electric cylinder 2 is driven to drive the mounting box 51 to support the cylinder head blank. At the same time, part of the expansion seat 53 is inserted into the through hole of the cylinder head blank. After preliminary positioning, the stepper motor 54 is driven to rotate the bidirectional screw 52 to drive the expansion seat 53 to expand, thereby realizing the flexible centering positioning of the cylinder head blank, thereby assisting the processing of the cylinder head blank.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A flexible centering and positioning device for cylinder head blank processing, the flexible centering and positioning device for cylinder head blank processing comprising a mounting plate (1), wherein both left and right sides of the front end of the mounting plate (1) support a positioning movable seat structure (4); a positioning electric cylinder (2) is installed on the left side of the positioning movable seat structure (4); the output shaft of the positioning electric cylinder (2) supports a fastening and expansion positioning seat structure (5), and a guide rod (3) is installed on the left side of the fastening and expansion positioning seat structure (5), wherein the characteristics are as follows: The positioning movable seat structure (4) comprises an assembly plate (41), wherein the upper and lower parts of the front right side of the assembly plate (41) are movably embedded with threaded rods (43); a movable main seat (42) is threadedly connected to the outer wall of the threaded rod (43); the upper and lower sides of the movable main seat (42) are movably embedded with side slide rails (44); and the upper and lower sides of the left side of the assembly plate (41) are provided with mounting holes (45).

2. The flexible centering and positioning device for cylinder head blank processing according to claim 1, characterized in that: The fastening expansion positioning seat structure (5) comprises a mounting box (51), wherein a bidirectional screw rod (52) is movably embedded inside the mounting box (51); a protective cover (55) is bolted on the outer side of the lower end of the mounting box (51); a stepping motor (54) is arranged inside the protective cover (55), and the stepping motor (54) is bolted to the mounting box (51); an expansion seat (53) is inserted into the upper and lower sides of the mounting box (51), and the left side of the expansion seat (53) is threadedly connected to the bidirectional screw rod (52).

3. The flexible centering and positioning device for cylinder head blank processing according to claim 1, characterized in that: The front side of the threaded rod (43) is provided with a through hole for inserting an iron rod to drive the rotation. The assembly plate (41) is bolted to the left and right sides of the front end of the mounting plate (1) through the mounting holes (45).

4. The flexible centering and positioning device for cylinder head blank processing according to claim 1, characterized in that: The side slide rail (44) is movably connected to the movable main seat (42), and the side slide rail (44) is bolted around the front end of the mounting plate (1). The left side of the movable main seat (42) is bolted to the positioning electric cylinder (2).

5. The flexible centering and positioning device for cylinder head blank processing according to claim 2, characterized in that: The guide rods (3) are inserted into the upper and lower sides of the movable main seat (42).

6. The flexible centering and positioning device for cylinder head blank processing according to claim 2, characterized in that: The installation box (51) is bolted onto the output shaft of the positioning electric cylinder (2), and the upper and lower outer sides of the installation box (51) are bolted to the guide rod (3).

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