Quick clamping tool for machining engine cylinder block

By designing a quick clamping fixture that includes a base, side mounting bracket, and motor drive, the problems of cumbersome and inaccurate positioning of traditional clamping fixtures are solved, enabling quick clamping and flexible rotation of the cylinder block, thus improving processing quality and efficiency.

CN223617218UActive Publication Date: 2025-12-02WUXI JINBAITE AUTOMATION MASCH CO LTD
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Patent Information

Application Number
CN202423296979.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-02
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional engine block machining clamping fixtures are cumbersome to use, have low positioning accuracy, poor versatility, and cannot be quickly clamped and rotated for adjustment, which affects machining quality and efficiency.

Method used

A quick clamping fixture including a base, side mounting bracket, lifting assembly, clamping seat and motor drive was designed. It realizes quick clamping, flipping and precise positioning of cylinder body through cylinder and motor, and adapts to the clamping needs of cylinder body of different specifications.

Benefits of technology

It enables rapid and stable clamping and flexible rotation of the cylinder block, improving machining accuracy and production efficiency, and enhancing the versatility and flexibility of the clamping fixture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick clamping tool for machining an engine cylinder block, which comprises a base, a side mounting frame is arranged at the top of the base, a lifting component is arranged on one side of the top of the side mounting frame, a lifting seat is connected to the push-out end of the lifting component, and symmetrical first sliding suites are arranged at the bottom of the lifting seat. The first sliding suite is connected with a first clamping base and a second clamping base, a first air cylinder is arranged on one side of the first clamping base, the push-out end of the first air cylinder is connected with the second clamping base, the first clamping base is connected with a first clamping plate through a first rotating shaft, and one side of the first clamping plate is connected with a second clamping plate. A second clamping plate is arranged on the base, one side of the second clamping plate is connected with a motor on one side of the second clamping seat, the driving end of the motor is connected with a second rotating shaft, a lifting mechanism is further arranged on the base, a third clamping seat is arranged at one end of the lifting mechanism, and symmetrical positioning assemblies are arranged on the third clamping seat. Manual disassembly and assembly are not needed, and operation time is shortened.
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Description

Technical Field

[0001] This utility model belongs to the field of engine cylinder block processing technology, and more specifically, it relates to a quick clamping fixture for engine cylinder block processing. Background Technology

[0002] Currently, in the machining process of engine cylinder blocks, the role of clamping fixtures is crucial. They not only need to ensure the positioning accuracy of the cylinder block during machining, but also need to have efficient clamping and disassembly speeds to improve production efficiency.

[0003] Traditional clamping fixtures have many problems, such as cumbersome clamping process, requiring a lot of time for adjustment and positioning; low positioning accuracy, unable to quickly clamp through side holes and fixed holes on the cylinder block; poor versatility, unable to adapt to clamping and positioning of engine cylinder blocks of different models and specifications; in addition, the cylinder block cannot be freely rotated to adjust the machining position after clamping, requiring disassembly and reassembly for rotation and then clamping, which is not flexible enough and seriously affects the machining quality and production efficiency of engine cylinder blocks, thus restricting the development of related industries.

[0004] Therefore, it is necessary to design a clamping fixture for engine block machining that can be quickly clamped, has high positioning accuracy, and is highly versatile. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a quick-clamping fixture for machining engine cylinder blocks, thereby solving the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-clamping fixture for machining engine cylinder blocks, comprising a base, a side mounting bracket on the top of the base, a lifting assembly on one side of the top of the side mounting bracket, a lifting seat connected to the extension end of the lifting assembly, and symmetrical first sliding components at the bottom of the lifting seat. The first sliding components are composed of sliders and slide rails, and are respectively connected to a first clamping seat and a second clamping seat. The first and second clamping seats are symmetrically distributed. A first cylinder is provided on one side of the first clamping seat, and the extension end of the first cylinder is connected to the second clamping seat. The first clamping seat has a through-hole... A first rotating shaft is mounted on a bearing, and a first clamping plate is fitted on the first rotating shaft. A second clamping plate is connected to one side of the first clamping plate via an adjusting assembly. A second rotating shaft is connected to one side of the second clamping plate via a bearing. A side mounting plate is provided on one side of the second clamping plate, and a motor is provided on the side mounting plate. The drive end of the motor is connected to the second rotating shaft via a coupling. A mounting seat is also provided on the base, and a lifting mechanism is provided on one side of the mounting seat. A third clamping seat is provided at one end of the lifting mechanism, and symmetrical positioning components are provided on the third clamping seat to fix the bottom of the cylinder after it is flipped.

[0007] As an optional solution of this utility model, the lifting assembly includes a hoisting seat, which is symmetrically installed on the top of the side mounting frame. An electric cylinder is provided on the hoisting seat, and the extension end of the electric cylinder is connected to the lifting seat.

[0008] As an optional solution of this utility model, a guide rod is also connected to the center of the top of the lifting seat. The guide rod is slidably fitted in the guide seat, the guide seat is fixed to one side of the top of the side mounting frame, and a limit block is provided at the top of the guide rod to limit the lifting.

[0009] As an optional solution of this utility model, both the first clamping plate and the second clamping plate are provided with positioning seats. The positioning seats are provided with multiple steps, and the diameter of the multiple steps decreases sequentially. The first clamping plate and the second clamping plate are also provided with first positioning bosses on the top and bottom, and the cylinder is positioned by the first positioning bosses.

[0010] As an optional solution of this utility model, the adjustment assembly includes an adjustment rod connected to a first clamping plate, and a sliding cylinder slidably fitted on the adjustment rod, the sliding cylinder being disposed on one side of a second clamping plate.

[0011] As an optional solution of this utility model, the lifting mechanism includes an adjusting plate, which is disposed on one side of the mounting base. The adjusting plate is provided with symmetrical second sliding components, which are also composed of slider and slide rail assemblies. One side of the second sliding components is connected to the sliding plate, and one side of the sliding plate is provided with symmetrical adjusting frames. One end of the adjusting frame is connected to a third clamping seat, and a second cylinder is disposed between the adjusting frames. One end of the second cylinder is hinged to one side of the mounting base by a pin, and the push-out end of the second cylinder is connected to a movable block by a pin. One end of the movable block is connected to a moving block by a pin, and the bottom of the moving block is fitted into an elongated hole in the adjusting frame by a pin. The adjusting frame is lifted by the second cylinder.

[0012] As an optional solution of this utility model, the positioning component includes a positioning plate, which is symmetrically distributed on both sides of the third clamping seat. A second positioning boss is provided on the top of the positioning plate, which is used to position the bottom opening of the cylinder. A sliding rod is provided on one side of the positioning plate, which is slidably engaged in the third clamping seat. The bottom of the positioning plate is connected to the push-out end of the third cylinder, which is installed on the third clamping seat. The positioning plate is driven by the third cylinder to adjust the spacing.

[0013] This utility model provides a quick-clamping fixture for machining engine cylinder blocks, which has the following advantages:

[0014] The third cylinder drives the second positioning boss on the positioning plate to adjust the spacing, thereby clamping and positioning the cylinder body according to different specifications. The second cylinder drives the adjustment frame to lift and adjust the position of the cylinder body. The first cylinder drives the first clamping plate and the second clamping plate to quickly clamp. The positioning seat and the first positioning boss accurately position and assemble the side holes and fixed holes of the cylinder body to ensure clamping stability.

[0015] The angle is flipped by the motor on the second clamping seat and can be freely set. The cylinder body is driven by the electric cylinder to descend to the third clamping seat to achieve secondary positioning and clamping. While the cylinder body is clamped, it can also be flipped and positioned, which is more flexible. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a front view of the present invention;

[0018] Figure 3 This is a cross-sectional view (AA) of the present invention;

[0019] Figure 4 This is a CC cross-sectional view of the present invention.

[0020] In the diagram: 1. Base; 2. Side mounting bracket; 3. Lifting seat; 4. Electric cylinder; 5. Lifting seat; 501. First sliding assembly; 6. Guide seat; 601. Guide rod; 602. Limiting block; 7. First cylinder; 8. First clamping seat; 801. First rotating shaft; 803. First clamping plate; 9. Second clamping seat; 901. Side mounting plate; 902. Motor; 903. Second rotating shaft; 904. Second clamping plate; 10. Mounting seat; 11. First positioning boss; 12. Positioning seat; 13. Adjusting plate; 131. Second sliding assembly; 132. Sliding plate; 133. Adjusting frame; 14. Second cylinder; 141. Movable block; 142. Moving block; 15. Third clamping seat; 151. Third cylinder; 152. Positioning plate; 153. Second positioning boss; 154. Slide rod; 16. Adjusting rod; 162. Slide cylinder. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Please see Figures 1 to 4This utility model provides a technical solution: a quick-clamping fixture for machining engine cylinder blocks, including a base 1, a side mounting bracket 2 on the top of the base 1, a lifting assembly on one side of the top of the side mounting bracket 2, a lifting seat 5 connected to the extension end of the lifting assembly, the lifting assembly including a lifting seat 3, the lifting seats 3 symmetrically mounted on the top of the side mounting bracket 2, an electric cylinder 4 mounted on the lifting seat 3, the extension end of the electric cylinder 4 connected to the lifting seat 5, a guide rod 601 connected to the center of the top of the lifting seat 5, the guide rod 601 slidably engaged in the guide seat 6, the guide seat 6 fixed to one side of the top of the side mounting bracket 2, a limit block 602 provided on the top of the guide rod 601, the lifting is limited by the limit block 602, and the bottom of the lifting seat 5 is provided with symmetrical first sliding components 501, the first sliding components 501 being made of sliding... The slide rail is composed of a first sliding assembly 501, which is connected to a first clamping seat 8 and a second clamping seat 9. The first clamping seat 8 and the second clamping seat 9 are symmetrically distributed. A first cylinder 7 is provided on one side of the first clamping seat 8. The push-out end of the first cylinder 7 is connected to the second clamping seat 9. A first rotating shaft 801 is mounted on the first clamping seat 8 via a bearing. A first clamping plate 803 is mounted on the first rotating shaft 801. A second clamping plate 904 is connected to one side of the first clamping plate 803 via an adjusting assembly. A second rotating shaft 903 is connected to one side of the second clamping plate 904 via a second clamping plate 904. The second rotating shaft 903 is mounted on the second clamping seat 9 via a bearing. A side mounting plate 901 is provided on one side of the second clamping seat 9. A motor 902 is provided on the side mounting plate 901. The drive end of the motor 902 is connected to the second rotating shaft 903 via a coupling.

[0025] Both the first clamping plate 803 and the second clamping plate 904 are provided with positioning seats 12. The positioning seats 12 are provided with multiple steps, and the diameter of the multiple steps decreases in sequence. The diameter of each step corresponds to the mounting side hole of the cylinder body of different specifications, which facilitates lateral clamping. The first clamping plate 803 and the second clamping plate 904 are also provided with first positioning bosses 11 on the top and bottom. The cylinder body positioning hole is positioned by the first positioning bosses 11 to achieve stable clamping. The motor 902 is used for flipping and adjustment, making the operation flexible and versatile.

[0026] The adjustment assembly includes an adjustment rod 16, which is connected to the first clamping plate 803. A slide cylinder 162 is slidably fitted on the adjustment rod 16. The slide cylinder 162 is located on one side of the second clamping plate 904, thereby enabling stable spacing adjustment. A mounting seat 10 is also provided on the base 1. A lifting mechanism is provided on one side of the mounting seat 10, and a third clamping seat 15 is provided at one end of the lifting mechanism.

[0027] The lifting mechanism includes an adjusting plate 13, which is located on one side of the mounting base 10. A symmetrical second sliding assembly 131 is provided on the adjusting plate 13. The second sliding assembly 131 also consists of a slider and slide rail assembly. A sliding plate 132 is connected to one side of the second sliding assembly 131. A symmetrical adjusting frame 133 is provided on one side of the sliding plate 132. One end of the adjusting frame 133 is connected to a third clamping base 15. A second cylinder 14 is provided between the adjusting frames 133. One end of the second cylinder 14 is hinged to one side of the mounting base 10 by a pin. The push-out end of the second cylinder 14 is connected to a movable block 141 by a pin. One end of the movable block 141 is connected to a moving block 142 by a pin. The bottom of the moving block 142 is fitted into an elongated hole in the adjusting frame 133 by a pin. The adjusting frame 133 is lifted by the second cylinder 14. The adjusting frame 133 is lifted along with the sliding plate 132. A symmetrical positioning assembly is provided on the third clamping base 15 to fix the bottom of the cylinder body after it is flipped.

[0028] The positioning assembly includes a positioning plate 152, which is symmetrically distributed on both sides of the third clamping seat 15. A second positioning boss 153 is provided on the top of the positioning plate 152. The second positioning boss 153 is used to position the bottom opening of the cylinder body. A slide rod 154 is provided on one side of the positioning plate 152. The slide rod 154 is slidably engaged in the third clamping seat 15. The bottom of the positioning plate 152 is connected to the push end of the third cylinder 151. The third cylinder 151 is installed on the third clamping seat 15. The third cylinder 151 drives the positioning plate 152 to adjust the spacing, thereby adapting to clamp cylinder bodies of different specifications.

[0029] The specific usage and function of this embodiment are as follows: First, the cylinder body to be processed is placed on the third clamping seat 15. The third cylinder 151 drives the second positioning boss 153 on the positioning plate 152 to adjust the spacing, thereby clamping and positioning the cylinder body according to different specifications. When a flipping operation is required, the second cylinder 14 drives the adjusting frame 133 to be raised until it is between the first clamping plate 803 and the second clamping plate 904. The first cylinder 7 is started to drive the first clamping plate 803 and the second clamping plate 904 to quickly clamp. The positioning seat 12 and the first positioning boss 11 are used to accurately position and assemble the side holes and fixed holes of the cylinder body to ensure clamping stability. Then, the motor 902 is started to flip the cylinder body at an angle that can be freely set. Finally, the electric cylinder 4 drives the cylinder body to descend onto the third clamping seat 15 for secondary positioning and clamping. The operation is flexible and versatile. While clamping the cylinder body, it can also be flipped and positioned, making it more flexible.

[0030] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A quick-clamping fixture for machining engine cylinder blocks, characterized in that: Includes a base (1), a side mounting bracket (2) on the top of the base (1), a lifting assembly on one side of the top of the side mounting bracket (2), a lifting seat (5) connected to the extension end of the lifting assembly, and a symmetrical first sliding assembly (501) at the bottom of the lifting seat (5). The first sliding assembly (501) is composed of a slider and a slide rail. The first sliding assembly (501) is connected to a first clamping seat (8) and a second clamping seat (9) respectively. The first clamping seat (8) and the second clamping seat (9) are symmetrically distributed. A first cylinder (7) is provided on one side of the first clamping seat (8). The extension end of the first cylinder (7) is connected to the second clamping seat (9). A first rotating shaft (801) is mounted on the first clamping seat (8) via a bearing. A first clamping plate is mounted on the first rotating shaft (801). (803), the first clamping plate (803) is connected to the second clamping plate (904) on one side through the adjustment component, the second clamping plate (904) is connected to the second rotating shaft (903) on one side, the second rotating shaft (903) is mounted on the second clamping seat (9) through the bearing, the second clamping seat (9) is provided with a side mounting plate (901) on one side, the side mounting plate (901) is provided with a motor (902), the drive end of the motor (902) is connected to the second rotating shaft (903) through the coupling, the base (1) is also provided with a mounting seat (10), the mounting seat (10) is provided with a lifting mechanism on one side, the lifting mechanism is provided with a third clamping seat (15) at one end, the third clamping seat (15) is provided with a symmetrical positioning component, the cylinder body after flipping is fixed at the bottom by the positioning component.

2. The quick-clamping fixture for machining engine cylinder blocks according to claim 1, characterized in that: The lifting assembly includes a hoisting seat (3), which is symmetrically installed on the top of the side frame (2). An electric cylinder (4) is provided on the hoisting seat (3), and the extension end of the electric cylinder (4) is connected to the lifting seat (5).

3. The quick-clamping fixture for machining engine cylinder blocks according to claim 2, characterized in that: The top center of the lifting seat (5) is also connected to a guide rod (601). The guide rod (601) is slidably fitted in the guide seat (6). The guide seat (6) is fixed on one side of the top of the side mounting frame (2). A limit block (602) is provided on the top of the guide rod (601). The lifting is limited by the limit block (602).

4. The quick-clamping fixture for machining engine cylinder blocks according to claim 1, characterized in that: Both the first mounting plate (803) and the second mounting plate (904) are provided with positioning seats (12). The positioning seats (12) are provided with multiple steps, and the diameter of the multiple steps decreases in sequence. The first mounting plate (803) and the second mounting plate (904) are also provided with first positioning bosses (11) on the top and bottom, and the cylinder is positioned by the first positioning bosses (11).

5. The quick-clamping fixture for machining engine cylinder blocks according to claim 1, characterized in that: The adjustment assembly includes an adjustment rod (16), which is connected to a first clamping plate (803). A slide cylinder (162) is slidably fitted on the adjustment rod (16), and the slide cylinder (162) is located on one side of a second clamping plate (904).

6. The quick-clamping fixture for machining engine cylinder blocks according to claim 1, characterized in that: The lifting mechanism includes an adjusting plate (13), which is disposed on one side of the mounting base (10). A symmetrical second sliding assembly (131) is disposed on the adjusting plate (13). The second sliding assembly (131) is also composed of a slider and slide rail assembly. A sliding plate (132) is connected to one side of the second sliding assembly (131). A symmetrical adjusting frame (133) is disposed on one side of the sliding plate (132). One end of the adjusting frame (133) is connected to a third clamping seat (15). A second cylinder (14) is disposed between the adjusting frames (133). One end of the second cylinder (14) is hinged to one side of the mounting base (10) by a pin. The push-out end of the second cylinder (14) is connected to a movable block (141) by a pin. One end of the movable block (141) is connected to a moving block (142) by a pin. The bottom of the moving block (142) is fitted into an elongated hole in the adjusting frame (133) by a pin. The adjusting frame (133) is lifted by the second cylinder (14).

7. The quick-clamping fixture for machining engine cylinder blocks according to claim 1, characterized in that: The positioning component includes a positioning plate (152), which is symmetrically distributed on both sides of the third clamping seat (15). The top of the positioning plate (152) is provided with a second positioning boss (153), which is used to position the bottom opening of the cylinder. A slide rod (154) is provided on one side of the positioning plate (152), which slides in the third clamping seat (15). The bottom of the positioning plate (152) is connected to the push end of the third cylinder (151), which is installed on the third clamping seat (15). The positioning plate (152) is driven by the third cylinder (151) to adjust the spacing.