Fixture for machining cylinder cover of diesel engine

Abstract

The utility model belongs to the technical field of diesel engine cylinder cover machining, and particularly relates to a diesel engine cylinder cover machining clamp which comprises a bottom plate and a placing seat, the placing seat is installed in the center of the surface of the bottom plate, a fixing plate is installed on the surface of the bottom plate, and a telescopic cylinder is installed on the outer side of the fixing plate. The output end of the telescopic air cylinder is connected with a pushing plate. A positioning block is connected to the surface of the bottom plate, a movable rod is movably connected to the top end of the positioning block, a linkage block is connected to the bottom end of the movable rod, and a rotating shaft is connected to the top end of the linkage block. And then the two telescopic air cylinders are started to clamp the two sides of the large edge of the diesel engine air cylinder cover, then through mutual cooperation of a movable rod, a linkage block, a pressing block, a rotating shaft plate, a threaded block, a threaded rod and a limiting block, the to-be-machined air cylinder cover can be conveniently, rapidly and stably clamped, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of diesel engine cylinder cover processing, and in particular relates to a clamp for diesel engine cylinder cover processing. Background Art

[0002] The diesel engine cylinder head is one of the key components of the diesel engine. It is located in the upper part of the engine and forms a combustion chamber together with the cylinder block. Its main functions include: Sealing the cylinder: The cylinder head and the piston together form a combustion space to ensure that the gas does not leak during the combustion process. Bearing loads: The cylinder head bears the mechanical load caused by the gas force and the tightening of the cylinder bolts. It also bears a high thermal load due to contact with high-temperature combustion gas. Constructing the combustion chamber: The cylinder head contains a combustion chamber inside, which is the main place for fuel combustion. Supporting other components: The cylinder head also serves as a support for the camshaft, rocker arm shaft, and intake and exhaust pipes;

[0003] Among them, the "horizontal milling side clamp for diesel engine cylinder head processing" disclosed in application number "CN202121861710.5" is also an increasingly mature technology. The cylinder head to be processed is placed on one side of the processing table, and the driving part drives several transmission parts to rotate synchronously. When the several transmission parts rotate, they can drive the corresponding clamping parts to move toward the center position of the processing table, so that the several clamping parts can abut against the side wall of the cylinder head to clamp the cylinder head. Compared with the existing technology, it can realize automatic clamping of the cylinder head and has the advantages of simple structure and good clamping effect. However, the clamp also has the following defects: when using the clamp to clamp the diesel engine cylinder, the clamps on the market generally use four or more clamps for clamping, which greatly reduces the clamping efficiency and increases the working time of personnel. In addition, a lot of clamping time is wasted during the clamping process. Utility Model Content

[0004] The purpose of the utility model is to provide a clamp for processing a diesel engine cylinder head, aiming to solve the problem in the prior art that when the above-mentioned equipment is in use, when the clamp is used to clamp the diesel engine cylinder, the clamps on the market generally use four or more clamps for clamping, which greatly reduces the clamping efficiency, increases the working time of the personnel, and also wastes a lot of clamping time during the clamping process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for processing a diesel engine cylinder head, comprising a bottom plate and a placement seat, wherein the placement seat is installed at the center of the surface of the bottom plate, a fixing plate is installed on the surface of the bottom plate, a telescopic cylinder is installed on the outer side of the fixing plate, and the output end of the telescopic cylinder is connected to a propulsion plate;

[0006] The surface of the bottom plate is connected to a positioning block, the top of the positioning block is movably connected to a movable rod, the bottom end of the movable rod is connected to a linkage block, the top of the linkage block is connected to a rotating shaft, both ends of the rotating shaft are connected to clamping blocks, the clamping block is connected to a rotating shaft plate through a cross bar, one side of the linkage block is connected to a threaded block, the inside of the threaded block is connected with a threaded rod, the top surface of the threaded rod is connected to a limiting block, and the bottom surface of the threaded rod is connected to a rotating block.

[0007] In order to facilitate clamping, as a preferred fixture for processing a diesel engine cylinder head of the utility model, the clamping block is rotatably connected to the rotating shaft plate through a cross bar, and the movable rod is rotatably connected to the rotating shaft.

[0008] In order to facilitate height adjustment, as a preferred embodiment of the clamp for machining a diesel engine cylinder head of the utility model, the threaded block and the threaded rod are threadedly connected, and the bottom end of the threaded rod is movably connected to the rotating block.

[0009] In order to facilitate the limiting of the threaded rod, as a preferred embodiment of the clamp for machining a diesel engine cylinder head of the utility model, the inner sides of the limiting block and the rotating block are connected to the outer side wall of the positioning block.

[0010] In order to ensure stable movement, as a preferred embodiment of the diesel engine cylinder head machining fixture of the present invention, the bottom end of the push plate is connected to a sliding block, and the bottom end of the sliding block is connected to a sliding rail.

[0011] In order to facilitate protection, as a preferred embodiment of the clamp for machining a diesel engine cylinder head of the utility model, a protective pad is connected to the inner side of the push plate, and the protective pad is made of rubber.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model places the diesel engine cylinder head to be processed on a placing seat, then starts two telescopic cylinders to clamp the two sides of the large side of the diesel engine cylinder head, and then cooperates with the movable rod, the linkage block, the clamping block, the rotating shaft plate, the threaded block, the threaded rod and the limit block to quickly clamp and stabilize the cylinder head to be processed, thereby improving the processing efficiency; in addition, when the telescopic cylinder is working, the sliding block moves stably along the sliding rail, and the protective pad protects the surface of the cylinder head to avoid surface wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the compression block of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the positioning block of the utility model

[0019] Figure 5 This is a schematic diagram of the thread block connection structure of the utility model

[0020] Figure 6 It is a schematic diagram of the linkage block structure of the utility model.

[0021] In the figure: 1, bottom plate; 2, placement seat; 3, fixed plate; 4, telescopic cylinder; 401, push plate; 5, positioning block; 6, movable rod; 7, linkage block; 8, clamping block; 9, rotating shaft plate; 10, threaded block; 11, threaded rod; 12, limit block; 13, rotating block; 14, rotating shaft; 15, sliding block; 16, slide rail; 17, protection pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 The utility model provides the following technical solutions: a fixture for processing a diesel engine cylinder head, comprising a bottom plate 1 and a placement seat 2, the placement seat 2 is installed at the center of the surface of the bottom plate 1, a fixing plate 3 is installed on the surface of the bottom plate 1, a telescopic cylinder 4 is installed on the outer side of the fixing plate 3, and the output end of the telescopic cylinder 4 is connected to a push plate 401;

[0024] The surface of the bottom plate 1 is connected to the positioning block 5, the top of the positioning block 5 is movably connected to the movable rod 6, the bottom of the movable rod 6 is connected to the linkage block 7, the top of the linkage block 7 is connected to the rotating shaft 14, both ends of the rotating shaft 14 are connected to the clamping blocks 8, the clamping block 8 is connected to the rotating shaft plate 9 through a cross bar, one side of the linkage block 7 is connected to the threaded block 10, the inside of the threaded block 10 is penetrated and connected with a threaded rod 11, the top surface of the threaded rod 11 is connected to a limiting block 12, and the bottom surface of the threaded rod 11 is connected to a rotating block 13.

[0025] Preferably, the pressing block 8 is rotatably connected to the rotating shaft plate 9 through a cross bar, and the movable rod 6 is rotatably connected to the rotating shaft 14 .

[0026] During specific use, the pressing block 8 is rotated to facilitate clamping and stabilizing the cylinder cover, and the air supply end of the telescopic cylinder 4 is connected to the outside world.

[0027] Preferably, the threaded block 10 and the threaded rod 11 are threadedly connected, and the bottom end of the threaded rod 11 is movably connected to the rotating block 13 .

[0028] During specific use, the threaded block 10 can be conveniently driven to adjust its height by rotating the threaded rod 11 .

[0029] Preferably, the inner sides of the limiting block 12 and the rotating block 13 are connected to the outer side wall of the positioning block 5 .

[0030] During specific use, the position of the threaded rod 11 can be limited conveniently by using the limiting block 12 and the rotating block 13 , while ensuring that the threaded rod 11 rotates in situ.

[0031] Preferably, the bottom end of the pushing plate 401 is connected with a sliding block 15 , and the bottom end of the sliding block 15 is connected with a sliding rail 16 .

[0032] During specific use, the sliding block 15 is slid along the slide rail 16 to facilitate the movement and stability of the push plate 401 .

[0033] Preferably, a protection pad 17 is connected to the inner side of the propulsion plate 401 , and the protection pad 17 is made of rubber.

[0034] During specific use, the protective pad 17 is used to conveniently protect the side of the cylinder head, thereby preventing the cylinder head from being worn during the clamping process.

[0035] Working principle: by placing the diesel engine cylinder head to be processed on the placement seat 2, and then starting the two telescopic cylinders 4 to clamp the two sides of the large side of the diesel engine cylinder head, and then rotating the threaded rod 11, and the threaded rod 11 rotates along the rotating block 13, so that the threaded block 10 on the surface of the threaded rod 11 moves upward, and then drives the clamping block 8 to rotate, so that one end of the clamping block 8 contacts the cylinder head until the contact is stable, so as to facilitate the rapid clamping and stabilization of the cylinder head to be processed, thereby improving the processing efficiency; in addition, when the telescopic cylinder 4 is working, the sliding block 15 moves stably along the slide rail 16, and the protective pad 17 protects the surface of the cylinder head to avoid surface wear.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixture for machining a diesel engine cylinder head, comprising a base plate (1) and a placement seat (2), characterized in that: A placement seat (2) is installed at the center of the surface of the base plate (1), a fixing plate (3) is installed on the surface of the base plate (1), a telescopic cylinder (4) is installed on the outer side of the fixing plate (3), and the output end of the telescopic cylinder (4) is connected to a propulsion plate (401); The surface of the bottom plate (1) is connected to a positioning block (5), the top end of the positioning block (5) is movably connected to a movable rod (6), the bottom end of the movable rod (6) is connected to a linkage block (7), the top end of the linkage block (7) is connected to a rotating shaft (14), both ends of the rotating shaft (14) are connected to a clamping block (8), the clamping block (8) is connected to a rotating shaft plate (9) via a cross bar, one side of the linkage block (7) is connected to a threaded block (10), the inside of the threaded block (10) is penetrated and connected to a threaded rod (11), the top end surface of the threaded rod (11) is connected to a limiting block (12), and the bottom end surface of the threaded rod (11) is connected to a rotating block (13).

2. A fixture for machining a diesel engine cylinder head according to claim 1, characterized in that: The pressing block (8) is rotatably connected to the rotating shaft plate (9) via a cross bar, and the movable rod (6) is rotatably connected to the rotating shaft (14).

3. A fixture for machining a diesel engine cylinder head according to claim 1, characterized in that: The threaded block (10) and the threaded rod (11) are threadedly connected, and the bottom end of the threaded rod (11) is movably connected to the rotating block (13).

4. A fixture for machining a diesel engine cylinder head according to claim 1, characterized in that: The inner sides of the limiting block (12) and the rotating block (13) are connected to the outer side wall of the positioning block (5).

5. The fixture for machining a diesel engine cylinder head according to claim 1, characterized in that: The bottom end of the propulsion plate (401) is connected to a sliding block (15), and the bottom end of the sliding block (15) is connected to a sliding rail (16).

6. A fixture for machining a diesel engine cylinder head according to claim 1, characterized in that: The inner side of the propulsion plate (401) is connected to a protection pad (17), and the protection pad (17) is made of rubber.

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