A clamping device for cylinder head machining

Abstract

The utility model discloses a kind of clamping devices of cylinder cover processing, the supporting mechanism includes guide column, the bottom surface both sides of the guide column are fixedly connected with support foot, the lower end of the one side of the guide column is rotatably connected with knob, the one end fixedly connected with bidirectional screw rod in the inside of the knob is located guide column, the other end of the bidirectional screw rod is rotatably connected with guide column inner wall, the top surface of the guide column is equipped with mounting groove, the inside movable mounting of the mounting groove is equipped with mounting bracket, the middle part fixedly connected with pull rod of the mounting bracket is located in the side away from mounting groove, the inside upper end of the mounting bracket is also fixedly connected with dust screen, clamping fixation is carried out to cylinder cover by the clamping plate of both sides, and the movement of clamping plate is driven by bidirectional screw rod, the outside of bidirectional screw rod is isolated protection by guide column, can avoid the debris generated in cylinder cover processing to adhere on the surface of bidirectional screw rod.

Description

Technical Field

[0001] This utility model relates to the field of engine processing technology, specifically to a clamping device for cylinder head processing. Background Technology

[0002] The cylinder head is a key component of the engine, located at the top of the cylinders. Together with the pistons and cylinder block, it forms the combustion chamber, responsible for sealing the cylinders and withstanding the action of high-temperature, high-pressure gases. It integrates core components such as valves, spark plugs, and fuel injectors, achieving combustion through precise control of intake and exhaust and fuel injection. Its design must balance structural strength, heat dissipation performance, and lightweighting, and it is typically made of aluminum alloy or cast iron. Its complex internal network of water and oil passages ensures efficient cooling and lubrication.

[0003] Chinese patent discloses a stabilizing clamping device for machining engine cylinder heads (publication number: CN219787467U). This device uses a bidirectional screw to simultaneously drive two clamping blocks to move relative to each other, thereby tightening the cylinder head. After machining the cylinder head, the baffle and bidirectional screw can be removed, minimizing dead corners inside the clamping device and facilitating cleaning. Compared to existing technologies, it is easier to clean and has a longer service life. However, this device still has the following drawbacks:

[0004] (1) The bidirectional threaded rod is placed under the cylinder head being clamped, so the debris or foreign matter generated during the cylinder head machining process can easily adhere to the surface of the bidirectional threaded rod, thereby affecting the normal transmission of the bidirectional threaded rod. To address this issue, a clamping device for cylinder head machining is proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is as follows: debris or foreign matter generated during the cylinder head processing can easily adhere to the surface of the bidirectional threaded rod, thereby affecting the normal transmission of the bidirectional threaded rod.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A clamping device for machining cylinder heads includes a support mechanism, and a clamping mechanism is provided above the support mechanism;

[0008] The support mechanism includes a guide column, with support feet fixedly connected to both sides of the bottom surface of the guide column. A knob is rotatably connected to the lower end of one side of the guide column. A bidirectional threaded rod is fixedly connected to one end of the knob inside the guide column, and the other end of the bidirectional threaded rod is rotatably connected to the inner wall of the guide column.

[0009] The guide column has a mounting groove on its top surface, and a mounting bracket is movably installed inside the mounting groove. A tie rod is fixedly connected to the middle of the mounting bracket on the side away from the mounting groove, and a dustproof net is fixedly connected to the upper inner side of the mounting bracket.

[0010] As a further embodiment of this utility model: a plurality of negative pressure fans are fixedly installed on the inner wall of the mounting frame and below the dustproof net. Each negative pressure fan is arranged at equal intervals along the length of the mounting frame, and the negative pressure end of each negative pressure fan faces the dustproof net. A power transmission interface is provided at one end of the outer wall of the mounting frame, and the power transmission interface is electrically connected to the negative pressure fans.

[0011] As a further embodiment of this utility model: the clamping mechanism includes a guide frame, two guide frames are provided in total, a mounting post is fixedly connected to the center of the top surface of the guide frame, a mounting sleeve is sleeved on the outer side of the mounting post, and a clamping plate is fixedly installed on the side of the mounting sleeve.

[0012] As a further embodiment of this utility model: a limiting block is fixedly connected to the middle of the inner bottom surface of the guide frame, and an internal threaded hole is provided at the upper end of the limiting block. The inner side of the guide frame is slidably sleeved with the outer wall of the guide post, and the outer wall of the limiting block is slidably connected to the bottom surface of the guide post. The inner side of the internal threaded hole is threadedly sleeved with a bidirectional threaded rod.

[0013] As a further embodiment of this utility model: the lower end of the inner wall of the mounting column is symmetrically slidably connected with push plates, and a spring is fixedly connected between the two push plates. Each push plate is also fixedly connected with a locking block on the side away from the spring, and the end of the locking block penetrates and is slidably connected to the inner wall of the mounting column.

[0014] As a further embodiment of this utility model: the lower end of the inner wall of the mounting sleeve is symmetrically provided with slots, the inside of the slots is inserted into the end of the card block, and the upper end of the end of the card block is provided with a slope.

[0015] As a further embodiment of this utility model, each of the clamps has a buffer pad fixedly connected to the side away from the mounting sleeve.

[0016] The beneficial effects of this utility model are:

[0017] (1) The present invention clamps and fixes the cylinder head together with the clamping plates on both sides, and drives the movement of the clamping plates by the bidirectional threaded rod. The outer side of the bidirectional threaded rod is isolated and protected by the guide post, which can prevent the debris generated during the cylinder head processing from adhering to the surface of the bidirectional threaded rod.

[0018] (2) The top of the guide column can be detachably mounted with a mounting bracket. The top of the mounting bracket can collect the debris generated during cylinder head processing. A negative pressure fan is also installed inside the mounting bracket. When the negative pressure fan is started, it can drive the airflow towards the inside of the mounting bracket, thereby guiding the debris generated during cylinder head processing through the airflow, avoiding debris splashing, and reducing the difficulty of cleaning the equipment after operation.

[0019] (3) The clamping plates in the clamping mechanism can be disassembled, so as to facilitate the replacement of different types of clamping plates and thus meet different clamping needs. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of the mounting bracket in this utility model;

[0023] Figure 3 This is a schematic diagram of the overall structure of the clamping mechanism in this utility model;

[0024] Figure 4 This is a cross-sectional view of the mounting sleeve in this utility model;

[0025] Figure 5 This is a schematic diagram of the internal structure of the guide column in this utility model.

[0026] In the diagram: 1. Support mechanism; 101. Guide column; 102. Support foot; 103. Knob; 104. Two-way threaded rod; 105. Mounting slot; 106. Mounting bracket; 107. Pull rod; 108. Dustproof net; 109. Negative pressure fan; 110. Power transmission interface; 2. Clamping mechanism; 201. Guide frame; 202. Limit block; 203. Internal threaded hole; 204. Mounting column; 205. Push plate; 206. Spring; 207. Locking block; 208. Mounting sleeve; 209. Locking groove; 210. Clamping plate. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1-5As shown, a clamping device for cylinder head machining includes a support mechanism 1, with a clamping mechanism 2 positioned above the support mechanism 1. The support mechanism 1 includes a guide post 101, with support feet 102 fixedly connected to both sides of the bottom surface of the guide post 101. A knob 103 is rotatably connected to the lower end of one side of the guide post 101. One end of the knob 103, located inside the guide post 101, is fixedly connected to a bidirectional threaded rod 104, and the other end of the bidirectional threaded rod 104 is rotatably connected to the inner wall of the guide post 101. A mounting groove 105 is formed on the top surface of the guide post 101, and a mounting bracket 106 is movably mounted inside the mounting groove 105. A pull rod 107 is fixedly connected to the middle of the mounting bracket 106 on the side away from the mounting groove 105. A dustproof net 108 is also fixedly connected to the upper inner side of the mounting bracket 106. Figure 5 As shown, a groove is provided on the bottom surface of the guide post 101 to accommodate the movement of the limiting block 202. The groove at the bottom can prevent falling debris from directly contacting the bidirectional threaded rod 104.

[0029] Several negative pressure fans 109 are fixedly installed on the inner wall of the mounting bracket 106, below the dustproof net 108. The negative pressure fans 109 are equidistant along the length of the mounting bracket 106, with the negative pressure end of each fan facing the dustproof net 108. A power transmission interface 110 is provided at one end of the outer wall of the mounting bracket 106, and the power transmission interface 110 is electrically connected to the negative pressure fans 109. Figure 2 As shown, an air outlet is provided on the bottom surface of the mounting bracket 106 and below each negative pressure fan 109;

[0030] The clamping mechanism 2 includes guide frames 201, of which two are provided. A mounting post 204 is fixedly connected to the center of the top surface of the guide frame 201. A mounting sleeve 208 is sleeved on the outer side of the mounting post 204. A clamping plate 210 is fixedly installed on the side of the mounting sleeve 208. A limiting block 202 is fixedly connected to the center of the bottom surface of the inner side of the guide frame 201. An internal threaded hole 203 is opened at the upper end of the limiting block 202. The inner side of the guide frame 201 is slidably sleeved with the outer wall of the guide post 101. Furthermore, the outer wall of the limiting block 202 penetrates and slides through the bottom surface of the guide post 101, the inner side of the internal threaded hole 203 is threadedly fitted with the bidirectional threaded rod 104, and push plates 205 are symmetrically and slidably connected to the lower end of the inner wall of the mounting post 204. A spring 206 is fixedly connected between the two push plates 205, and a locking block 207 is also fixedly connected to each push plate 205 on the side away from the spring 206. The end of the locking block 207 penetrates and slides through the inner wall of the mounting post 204. Figure 4 As shown, spring 206 pushes the distance between the two push plates 205 to increase;

[0031] The lower inner wall of the mounting sleeve 208 has symmetrically provided slots 209. The inside of the slots 209 is inserted into the end of the locking block 207, and the upper end of the locking block 207 is provided with a slope. Each clamping plate 210 has a buffer pad fixedly connected to the side away from the mounting sleeve 208. Figure 4 As shown, when the mounting sleeve 208 is installed from top to bottom along the surface of the mounting post 204, one end of the slope of the locking block 207 is squeezed in the vertical direction, and then retracts into the interior of the mounting post 204. When the locking block 207 is aligned with the slot 209, the spring 206 pushes the locking block 207 against the slot 209, and then the mounting sleeve 208 and the mounting post 204 are locked.

[0032] The working principle of this utility model:

[0033] When the device is in use, the cylinder head to be processed is placed on top of the guide post 101 and placed between the two clamping plates 210. By rotating the knob 103, the bidirectional threaded rod 104 is rotated. The threads on both sides of the surface of the bidirectional threaded rod 104 press against the internal threaded hole 203, and drive the limiting block 202 to move along the bottom of the guide post 101. The distance between the guide frames 201 is reduced, and then the cylinder head is clamped and fixed on the outside by the clamping plates.

[0034] Next, a power transmission line is inserted into the power transmission interface 110, thereby driving the negative pressure fan 109 to work. The airflow passes through the dustproof net 108 and moves toward the negative pressure fan 109. The airflow carries processing debris and adheres to the surface of the dustproof net 108. After the cylinder head processing is completed, the mounting bracket 106 is separated from the mounting groove 105 by pulling the pull rod 107, and the surface of the dustproof net 108 is cleaned.

[0035] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A clamping device for machining cylinder heads, comprising a support mechanism (1), wherein a clamping mechanism (2) is disposed above the support mechanism (1); Its features are, The support mechanism (1) includes a guide post (101), and support feet (102) are fixedly connected to both sides of the bottom surface of the guide post (101). A knob (103) is rotatably connected to the lower end of one side of the guide post (101). One end of the knob (103) located inside the guide post (101) is fixedly connected to a bidirectional threaded rod (104), and the other end of the bidirectional threaded rod (104) is rotatably connected to the inner wall of the guide post (101). The guide post (101) has a mounting groove (105) on its top surface. A mounting bracket (106) is movably installed inside the mounting groove (105). A pull rod (107) is fixedly connected to the middle of the mounting bracket (106) on the side away from the mounting groove (105). A dustproof net (108) is also fixedly connected to the upper inner side of the mounting bracket (106).

2. The clamping device for cylinder head machining according to claim 1, characterized in that, Several negative pressure fans (109) are fixedly installed on the inner wall of the mounting frame (106) and below the dustproof net (108). Each negative pressure fan (109) is arranged at equal intervals along the length of the mounting frame (106), and the negative pressure end of each negative pressure fan (109) faces the dustproof net (108). A power transmission interface (110) is provided at one end of the outer wall of the mounting frame (106), and the power transmission interface (110) is electrically connected to the negative pressure fan (109).

3. The clamping device for cylinder head machining according to claim 2, characterized in that, The clamping mechanism (2) includes a guide frame (201), two guide frames (201) are provided, a mounting post (204) is fixedly connected to the middle of the top surface of the guide frame (201), a mounting sleeve (208) is sleeved on the outside of the mounting post (204), and a clamping plate (210) is fixedly installed on the side of the mounting sleeve (208).

4. The clamping device for cylinder head machining according to claim 3, characterized in that, A limiting block (202) is fixedly connected to the middle of the inner bottom surface of the guide frame (201). The upper end of the limiting block (202) is provided with an internal threaded hole (203). The inner side of the guide frame (201) is slidably sleeved with the outer wall of the guide post (101), and the outer wall of the limiting block (202) is connected to the bottom surface of the guide post (101) through and slidably. The inner side of the internal threaded hole (203) is threadedly sleeved with a bidirectional threaded rod (104).

5. The clamping device for cylinder head machining according to claim 4, characterized in that, The lower end of the inner wall of the mounting column (204) is symmetrically slidably connected with push plates (205), and a spring (206) is fixedly connected between the two push plates (205). Each push plate (205) is also fixedly connected with a locking block (207) on the side away from the spring (206). The end of the locking block (207) penetrates and is slidably connected to the inner wall of the mounting column (204).

6. The clamping device for cylinder head machining according to claim 5, characterized in that, The lower end of the inner wall of the mounting sleeve (208) is symmetrically provided with slots (209), the inside of the slots (209) is inserted into the end of the block (207), and the upper end of the block (207) is provided with a slope.

7. The clamping device for cylinder head machining according to claim 6, characterized in that, Each of the clamps (210) has a cushioning pad fixedly connected to the side away from the mounting sleeve (208).

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