Clamp for machining cylinder cover

Abstract

The invention relates to the technical field of cylinder covers, and discloses a cylinder cover machining clamp which comprises a machining table, an air inlet nozzle, a fixing groove, a mounting plate, a connecting screw hole, a fixing nut, a first electric push rod, a first push rod, a movable block, a movable clamping plate, a movable shaft, a movable clamping block, adjusting equipment and a control knob. An air inlet nozzle is fixedly arranged at the upper end of the machining table, a fixing groove is fixedly formed in the upper end of the machining table, a mounting plate is fixedly arranged at the upper end of the machining table, a connecting screw hole is fixedly formed in the upper end of the mounting plate, and a fixing nut is fixedly arranged at one end of the mounting plate. According to the clamp for machining the air cylinder cover, a stable pressing device is provided, a product positioning face can be better attached to a tool positioning block in the machining process, and therefore the stability and consistency of the product size are guaranteed; airtightness detection is added to the clamp, it can be better guaranteed that products are clamped in place, and tool collision caused by the fact that the products are not manually clamped in place can also be prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of cylinder heads, and particularly to a fixture for machining a cylinder head. Background Art

[0002] The function of the cylinder head is to seal the cylinder, jointly form a combustion space with the piston, and bear the action of high-temperature and high-pressure combustion gas. The cylinder head bears the gas force and the mechanical load caused by tightening the cylinder bolts. At the same time, it also bears a very high thermal load due to contact with high-temperature combustion gas. In order to ensure good sealing of the cylinder, the cylinder head cannot be damaged or deformed.

[0003] In the prior art patent document with the publication number CN214722537U, a hydraulic fixture for a cylinder head is disclosed. The main pressing mechanism is a rotary hydraulic cylinder. A rotary pressing plate is installed on the piston rod of the rotary hydraulic cylinder. The rotary hydraulic cylinders are distributed in an inverted triangle, with two above and one below and between the two upper rotary hydraulic cylinders. The positioning pins include a cylindrical pin and a diamond pin. The cylindrical pin and the diamond pin are respectively installed on the positioning surface through an adjustable cylindrical pin seat and an adjustable diamond pin seat. The adjustable cylindrical pin seat includes a fixed seat, a horizontal gasket, a vertical gasket and a pin seat. The pin seat, the horizontal gasket and the vertical gasket are all arranged on the fixed seat. The horizontal gasket and the vertical gasket are respectively located on both sides of the cylindrical pin seat. The cylindrical pin or the diamond pin is arranged on the pin seat. An air inspection pad is also arranged on the base. Small holes are provided on the air inspection pad, and these small holes are connected to an airtight detection pressure switch. When the workpiece is not in good contact with the air inspection pad, the pressure switch detects and alarms, and the machine tool does not perform processing. The cylinder head workpiece is placed on the sliding table and preliminarily positioned by two pre-positioning pins. Then, the sliding table is pushed along the sliding table guide rail, and the workpiece on the sliding table is pushed into the positions of the cylindrical pin and the diamond pin. Complete positioning is achieved through the combination of the pin holes on the workpiece and the cylindrical pin and the diamond pin. The rotary hydraulic cylinder and the lever hydraulic cylinder are started to press the front of the workpiece against the positioning surface, realizing the clamping and positioning before the machining of the workpiece. The positioning structure is reasonable and novel, realizing the rapid positioning and pressing of the cylinder head, greatly facilitating the loading and unloading during the machining process of the cylinder head, and at the same time preventing the vibration of the cylinder head during the machining process. Moreover, the machining of two processes can be carried out separately, meeting the needs of multi-station machining of the cylinder head. At the same time, it meets the requirements of modern enterprise automation.

[0004] However, in the prior art patent CN214722537U, due to the poor stability of a hydraulic fixture for a cylinder head, it is impossible to achieve better fitting between the product positioning surface and the tooling positioning block during the machining process, thus ensuring the stability and consistency of the product dimensions. It is not convenient to add airtight detection to the fixture, cannot better ensure that the product is clamped in place, and cannot prevent the tool collision caused by the workpiece not being clamped in place manually. Summary of the Invention

[0005] (I) Technical Problems to be Solved

[0006] The purpose of the present invention is to provide a fixture for machining a cylinder head, so as to solve the problem of poor stability of a hydraulic fixture for a cylinder head proposed in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the present invention provides the following technical solution: A fixture for machining a cylinder head, the fixture for machining a cylinder head includes a machining table, an air inlet nozzle, a fixing groove, a mounting plate, a connecting screw hole, a fixing nut, an electric push rod I, a pushing rod I, a movable block, a movable clamping plate, a movable shaft, a movable clamping block, an adjusting device, a control knob, a connecting plate, a movable knob, a clamping hook block, a support block, a connecting hole, a fixing disk, an air outlet nozzle, a display nameplate, a bearing table, a gas charging device and a gas charging handle. The air inlet nozzle is fixedly arranged at the upper end of the machining table, the fixing groove is fixedly arranged at the upper end of the machining table, the mounting plate is fixedly arranged at the upper end of the machining table, the connecting screw hole is fixedly arranged at the upper end of the mounting plate, the fixing nut is fixedly arranged at one end of the mounting plate, the electric push rod I is fixedly arranged at the upper end of the mounting plate, the pushing rod I is movably arranged at the upper end of the electric push rod I, the movable block is fixedly arranged at the upper end of the pushing rod I, the movable clamping plate is movably arranged outside the movable block, the movable shaft is fixedly arranged in the middle of the movable clamping plate, the movable clamping block is fixedly arranged at one end of the movable clamping plate, and the adjusting device is fixedly arranged at the upper end of the mounting plate.

[0009] Preferably, a control knob is fixedly arranged at one end of the adjusting device, and a connecting plate is movably arranged at the other end of the control knob, providing a stable pressing device to enable better fitting of the product positioning surface and the tooling positioning block during the machining process, thereby ensuring the stability and consistency of the product dimensions; the fixture is increased with airtight detection, which can better ensure that the product is clamped in place and can also prevent the tool collision caused by the product not being clamped in place manually.

[0010] Preferably, a movable knob is fixedly arranged at one end of the connecting plate, and a clamping hook block is fixedly arranged at the upper end of the connecting plate, which can effectively reduce the number of defective products, reduce the phenomenon of tool collision caused by humans, save the debugging time caused by tool collision, and has a corresponding market prospect under the condition of little cost increase, improving the economic benefit of the fixture for machining the cylinder head.

[0011] Preferably, a support block is fixedly arranged at the upper end of the machining table, and a connecting hole is fixedly arranged at the upper end of the support block.

[0012] Preferably, a fixed disk is fixedly arranged at the upper end of the processing table, and an air outlet nozzle is fixedly arranged at the upper end of the fixed disk. Through the movement of the movable clamping block, the raw material of the cylinder head is initially fixed, and then through the installation and movement of the adjusting device, control knob, connecting plate, and movable knob, the movable fixing of the clamping hook block is facilitated, and the raw material of the cylinder head is further fixed.

[0013] Preferably, a display nameplate is fixedly arranged at the upper end of the processing table, and a bearing table is fixedly arranged at the upper end of the processing table. Through the installation of the support block and connection hole, the air intake processing of the cylinder head is facilitated.

[0014] Preferably, an air pumping device is fixedly arranged at the upper end of the bearing table, and an air pumping handle is fixedly arranged at one end of the air pumping device. Through the installation of the bearing table and air pumping device, and then through the use of the air pumping handle, the air tightness of the cylinder head is detected.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The fixture for processing the cylinder head provides a stable pressing device, enabling better fitting between the positioning surface of the product and the tooling positioning block during the processing, thereby ensuring the stability and consistency of the product dimensions; the fixture is additionally provided with air tightness detection, which can better ensure that the product is properly clamped and can also prevent the tool from hitting due to improper manual clamping.

[0017] 2. The fixture for processing the cylinder head can effectively reduce the number of defective products, reduce the phenomenon of the tool hitting caused by humans, save the debugging time caused by the tool hitting, and has a corresponding market prospect with a relatively small increase in cost, improving the economic benefits of the fixture for processing the cylinder head.

[0018] 3. For the fixture for processing the cylinder head, through the movement of the movable clamping block, the raw material of the cylinder head is initially fixed, and then through the installation and movement of the adjusting device, control knob, connecting plate, and movable knob, the movable fixing of the clamping hook block is facilitated, and the raw material of the cylinder head is further fixed. Then, through the installation of the support block and connection hole, the air intake processing of the cylinder head is facilitated. Then, through the installation of the bearing table and air pumping device, and then through the use of the air pumping handle, the air tightness of the cylinder head is detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0020] Figure 2 It is a top view structural schematic diagram of the present invention;

[0021] Figure 3 It is a structural schematic diagram of the movable clamping block of the present invention;

[0022] Figure 4Schematic diagram of the air pumping device of the present invention.

[0023] In the figure: 1, processing table; 2, air inlet nozzle; 3, fixed groove; 4, mounting plate; 5, connecting screw hole; 6, fixing nut; 7, electric push rod 1; 8, push rod 1; 9, movable block; 10, movable clamping plate; 11, movable shaft; 12, movable clamping block; 13, adjustment device; 14, control knob; 15, connecting plate; 16, movable knob; 17, clamping hook block; 18, support block; 19, connecting hole; 20, fixed disk; 21, inflation nozzle; 22, display nameplate; 23, bearing platform; 24, air pumping device; 25, air pumping handle. Specific implementation mode

[0024] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-4 , the present invention provides a technical solution: a fixture for machining a cylinder head, the fixture for machining the cylinder head includes a processing table 1, an air inlet nozzle 2, a fixed groove 3, a mounting plate 4, a connecting screw hole 5, a fixing nut 6, an electric push rod 1 7, a push rod 1 8, a movable block 9, a movable clamping plate 10, a movable shaft 11, a movable clamping block 12, an adjustment device 13, a control knob 14, a connecting plate 15, a movable knob 16, a clamping hook block 17, a support block 18, a connecting hole 19, a fixed disk 20, an air outlet nozzle 21, a display nameplate 22, a bearing platform 23, an air pumping device 24 and an air pumping handle 25. The air inlet nozzle 2 is fixedly arranged at the upper end of the processing table 1, the fixed groove 3 is fixedly arranged at the upper end of the processing table 1, the mounting plate 4 is fixedly arranged at the upper end of the processing table 1, the connecting screw hole 5 is fixedly arranged at the upper end of the mounting plate 4, the fixing nut 6 is fixedly arranged at one end of the mounting plate 4, the electric push rod 1 7 is fixedly arranged at the upper end of the mounting plate 4, the push rod 1 8 is movably arranged at the upper end of the electric push rod 1 7, the movable block 9 is fixedly arranged at the upper end of the push rod 1 8, the movable clamping plate 10 is movably arranged outside the movable block 9, the movable shaft 11 is fixedly arranged in the middle of the movable clamping plate 10, the movable clamping block 12 is fixedly arranged at one end of the movable clamping plate 10, and the adjustment device 13 is fixedly arranged at the upper end of the mounting plate 4.

[0026] One end of the adjusting device 13 is fixedly provided with a control knob 14, the other end of the control knob 14 is movably provided with a connecting plate 15, one end of the connecting plate 15 is fixedly provided with a movable knob 16, the upper end of the connecting plate 15 is fixedly provided with a clamping hook block 17, the upper end of the processing table 1 is fixedly provided with a support block 18, and the upper end of the support block 18 is fixedly provided with a connecting hole 19. Through the setting of the processing table 1, the connection and installation of the air inlet nozzle 2 and the fixing groove 3 are facilitated. Then, through the fixing groove 3, the installation of the cylinder head raw material is facilitated. Then, through the installation of the mounting plate 4, the connecting screw hole 5, and the fixing nut 6, the stability of the first electric push rod 7 and the push rod 8 is improved. Then, by controlling the expansion and contraction of the first electric push rod 7 and the push rod 8, the movable block 9, the movable clamping plate 10, and the movable shaft 11 are moved to appropriate positions.

[0027] The upper end of the processing table 1 is fixedly provided with a fixing disk 20, the upper end of the fixing disk 20 is fixedly provided with an air outlet nozzle 21, the upper end of the processing table 1 is fixedly provided with a display nameplate 22, the upper end of the processing table 1 is fixedly provided with a bearing table 23, the upper end of the bearing table 23 is fixedly provided with an air pumping device 24, and one end of the air pumping device 24 is fixedly provided with an air pumping handle 25. Through the movement of the movable clamping block 12, the cylinder head raw material is preliminarily fixed. Then, through the installation and movement of the adjusting device 13, the control knob 14, the connecting plate 15, and the movable knob 16, the movement and fixation of the clamping hook block 17 are facilitated, and the cylinder head raw material is further fixed. Then, through the installation of the support block 18 and the connecting hole 19, the air intake processing of the cylinder head is facilitated. Then, through the installation of the bearing table 23 and the air pumping device 24, and then through the use of the air pumping handle 25, the air tightness of the cylinder head is detected.

[0028] Working principle: Through the setting of the processing table 1, the connection and installation of the air inlet nozzle 2 and the fixing groove 3 are facilitated. Then, through the fixing groove 3, the installation of the cylinder head raw material is facilitated. Then, through the installation of the mounting plate 4, the connecting screw hole 5, and the fixing nut 6, the stability of the first electric push rod 7 and the push rod 8 is improved. Then, by controlling the expansion and contraction of the first electric push rod 7 and the push rod 8, the movable block 9, the movable clamping plate 10, and the movable shaft 11 are moved to appropriate positions. Then, through the movement of the movable clamping block 12, the cylinder head raw material is preliminarily fixed. Then, through the installation and movement of the adjusting device 13, the control knob 14, the connecting plate 15, and the movable knob 16, the movement and fixation of the clamping hook block 17 are facilitated, and the cylinder head raw material is further fixed. Then, through the installation of the support block 18 and the connecting hole 19, the air intake processing of the cylinder head is facilitated. Then, through the installation of the bearing table 23 and the air pumping device 24, and then through the use of the air pumping handle 25, the air tightness of the cylinder head is detected.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than limiting the protection scope of the present invention. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present invention shall not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A clamp for machining a cylinder head, comprising a machining table (1), an air inlet nozzle (2), a fixing groove (3), a mounting plate (4), a connecting screw hole (5), a fixing nut (6), an electric push rod (7), a push rod (8), a movable block (9), a movable clamping plate (10), a movable shaft (11) and a movable clamping block (12), characterized in that: An air inlet nozzle (2) is fixedly provided at the upper end of the processing table (1), a fixing groove (3) is fixedly provided at the upper end of the processing table (1), a mounting plate (4) is fixedly provided at the upper end of the processing table (1), a connecting screw hole (5) is fixedly provided at the upper end of the mounting plate (4), a fixing nut (6) is fixedly provided at one end of the mounting plate (4), and an electric push rod (7) is fixedly provided at the upper end of the mounting plate (4); A push rod (8) is movably provided at the upper end of the electric push rod (7), a movable block (9) is fixedly provided at the upper end of the push rod (8), a movable clamping plate (10) is movably provided outside the movable block (9), a movable shaft (11) is fixedly provided in the middle of the movable clamping plate (10), a movable clamping block (12) is fixedly provided at one end of the movable clamping plate (10), and an adjustment device (13) is fixedly provided at the upper end of the mounting plate (4).

2. A clamp for machining a cylinder head according to claim 1, characterized in that: A control knob (14) is fixedly provided at one end of the adjustment device (13), and a connecting plate (15) is movably provided at the other end of the control knob (14).

3. A clamp for machining a cylinder head according to claim 2, characterized in that: A movable knob (16) is fixedly provided at one end of the connecting plate (15), and a clamping hook block (17) is fixedly provided at the upper end of the connecting plate (15).

4. A clamp for machining a cylinder head according to claim 3, characterized in that: A support block (18) is fixedly provided at the upper end of the processing table (1), and a connection hole (19) is fixedly provided at the upper end of the support block (18).

5. A clamp for machining a cylinder head according to claim 4, characterized in that: A fixed plate (20) is fixedly arranged at the upper end of the processing table (1), and an air outlet nozzle (21) is fixedly arranged at the upper end of the fixed plate (20).

6. A clamp for machining a cylinder head according to claim 5, characterized in that: A display nameplate (22) is fixedly provided on the upper end of the processing table (1), and a bearing platform (23) is fixedly provided on the upper end of the processing table (1).

7. A clamp for machining a cylinder head according to claim 6, characterized in that: An air pumping device (24) is fixedly provided at the upper end of the bearing platform (23), and an air pumping handle (25) is fixedly provided at one end of the air pumping device (24).

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