Cylinder body centralized flexible machining process and adjustable modular clamp structure

Abstract

The invention provides a cylinder body centralized flexible machining process and an adjustable modular clamp structure. The adjustable modular clamp structure comprises an expansion clamping device, a rotary clamping device, a sliding clamping device and a base plate, and the base plate is used for being installed on driving equipment; clamping grooves are formed in the bottom ends of the expansion clamping device, the rotary clamping device and the sliding clamping device, a plurality of connecting holes are formed in the base plate, and flexible positioners used for being matched with the clamping grooves to fix the expansion clamping device, the rotary clamping device and the sliding clamping device are arranged in the connecting holes. A first ball assembly is installed on the face, used for making contact with the cylinder body, of the rotary clamping device. A mounting area for mounting the cylinder body is formed among the expansion clamping device, the rotary clamping device and the sliding clamping device; the problems that in the prior art, a clamp structure lacks the clamping freedom degree, the clamp remodeling debugging time is long, the clamping ejector block is tedious to adjust, and compatibility is poor can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cylinder body processing, specifically to a centralized flexible processing technology for cylinder bodies and an adjustable modular fixture structure. Background Art

[0002] In the field of mechanical processing, especially in the processing of parts such as cylinder blocks, fixtures play a vital role; the processing quality of the cylinder block directly affects the overall performance and reliability of the engine. Through precise processing technology, it can ensure that the various components of the cylinder block fit closely, reduce friction and wear, thereby improving the efficiency and life of the engine, and have an important impact on its weight and heat dissipation performance. A lightweight cylinder block can reduce the curb weight of the vehicle, thereby reducing fuel consumption; and good heat dissipation performance can ensure that the engine runs at the optimal operating temperature, improving fuel economy; the traditional clamping and fixing structure is a single plate that is directly squeezed and clamped, so that after clamping, when squeezing in different directions, there will still be slippage; in order to solve the problems existing in the prior art, the invention with announcement number CN222626959U discloses a vehicle engine cylinder block processing fixture (hereinafter referred to as prior art 1), including a supporting bottom block, the two ends of the supporting bottom block are water-sealed. An end fixing plate is welded symmetrically, and a top horizontal groove is horizontally opened on the top surface of the supporting bottom block, and an end box body is fixedly provided on one end of the supporting bottom block, and a vertical upright rod is vertically connected to the top surface of the supporting bottom block, and a side connecting block is horizontally clamped on one side of the vertical upright rod, and the side connecting block is connected to a vertical plate body at one end away from the vertical upright rod, and a fixed bottom plate is horizontally fixed on the side of the vertical plate body away from the side connecting block, and a clamping top block is horizontally connected to the side of the vertical plate body away from the side connecting block, and a rotating disk is horizontally provided on the top of the vertical plate body.

[0003] The fixture in the prior art 1 adopts an integrated control structure, which makes the clamping and fixing more stable; however, the fixture in the prior art can only clamp the side of the cylinder body, and the cylinder body is prone to floating or shifting during the processing; and the fixture in the prior art 1 needs to replace or adjust the structure and position of the clamping top block when clamping cylinder bodies of different models and shapes; the fixture in the prior art 1 takes a long time to change and debug, and there are problems such as cumbersome adjustment and poor compatibility. Summary of the Invention

[0004] The purpose of the present invention is to provide a centralized flexible processing technology for cylinder bodies and an adjustable modular fixture structure, which, in actual use, can solve the problems of the fixture structure in the prior art, such as lack of clamping freedom, long fixture replacement and debugging time, cumbersome adjustment of the clamping top block, and poor compatibility.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] An adjustable modular clamp structure includes an expansion clamp, a rotation clamp, a sliding clamp, and a base plate for mounting on a drive device;

[0007] The bottom ends of the expansion clamp, the rotary clamp and the sliding clamp are all provided with a card slot, and the base plate is provided with a plurality of connecting holes, and the connecting holes are provided with flexible positioners for cooperating with the card slot to fix the expansion clamp, the rotary clamp and the sliding clamp; the first ball assembly is installed on the side of the rotary clamp that is in contact with the cylinder body;

[0008] An installation area for installing the cylinder body is formed between the expansion clamp, the rotation clamp and the sliding clamp.

[0009] Preferably, the rotary clamp includes a rotating part and a first support member, the rotating part is threadedly connected to the first support member, the first ball assembly is slidably mounted on the rotating part, and the clamping groove is provided at the bottom end of the first support member.

[0010] Preferably, the first ball assembly includes a moving seat, a spring and a first ball body, a sliding groove is provided on the rotating part, the moving seat is slidably installed in the sliding groove, the moving seat is connected to the sliding groove through the spring, and the first ball body is rollingly connected to the moving seat.

[0011] Preferably, the expansion clamp includes an expansion sleeve, a second support member and a driving mechanism, the limit groove is arranged at the bottom end of the second support member, the expansion sleeve is slidably installed on the second support member, the driving mechanism is provided with a first driving surface for driving the expansion sleeve to expand, and the expansion sleeve is provided with a stress groove.

[0012] Preferably, the second support member is provided with a second driving surface for driving the expansion sleeve to expand.

[0013] Preferably, the sliding clamp includes a third support member, a pressure block and a guide column installed on the third support member, the pressure block is provided with a guide groove slidingly connected to the guide column, the guide column is provided with a step platform, the guide column is threadedly connected with a locking member, and an installation area for limiting the pressure block is formed between the locking member and the step platform.

[0014] Preferably, a driving rod is threadedly connected to the third support member, and the driving rod is used to drive the pressing block to rotate.

[0015] Preferably, a buffer washer is provided between the locking member and the pressing block.

[0016] Preferably, the flexible locator includes a mounting portion, a driving member, a second ball body and a tension spring, a liquid cavity is provided in the substrate, and a liquid source device for inputting high-pressure liquid into the liquid cavity is connected to the substrate; the driving member is slidably installed in the mounting portion, and the driving member is connected to the connecting hole through the tension spring, a rolling groove is provided on the mounting portion, and the second ball body is rollingly installed in the rolling groove.

[0017] A centralized flexible processing technology for a cylinder body includes an adjustable modular fixture structure, specifically a process method for processing the cylinder body, comprising the following steps:

[0018] Step 1: Rough milling of the top surface and left and right sides of the cylinder body, and processing of the process holes set on the top surface of the cylinder body and the plug holes set on the sides of the cylinder body;

[0019] Step 2: Rough milling of the front and rear end faces, bottom surface and bearing seat surface of the cylinder block, rough boring of the crankshaft hole and drilling of the main oil channel;

[0020] Step 3: Perform precision milling on the bottom surface, bearing seat surface, and left and right side surfaces of the cylinder body, and process the threaded holes on the left and right side surfaces;

[0021] Step 4: Process the oil grooves, slip grooves and threaded holes on the front and rear end surfaces of the cylinder body;

[0022] Step 5: Pressure test the machined cylinder block and install the bearing cover;

[0023] Step 6: Fine mill the top surface and front and rear end surfaces of the cylinder block, process the pin holes on the front and rear end surfaces and the top surface, and fine bore the cylinder hole and crankshaft hole.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] In the present invention, during the process of clamping the cylinder body, the expansion clamp is used to cooperate with the through hole provided on the cylinder body to clamp the cylinder body, thereby achieving preliminary positioning and anti-torsion; the rotary clamp is used to cooperate with the stepped structure formed on the surface of the cylinder body to press the cylinder body onto the base plate, thereby further fixing the cylinder body and preventing the cylinder body from floating during the processing; the sliding clamp is used to extend into the structure inside the cylinder body to clamp the cylinder body, and the sliding clamp and the rotary clamp can respectively clamp the internal and external structures of the cylinder body to fix the cylinder body at multiple points, thereby improving the stability of the cylinder body after fixation and preventing the cylinder body from shifting during the processing;

[0026] By cooperating with the slots provided at the bottom ends of the expansion clamp, rotary clamp and sliding clamp in the flexible positioner in the connecting hole, the expansion clamp, rotary clamp and sliding clamp can be quickly installed and fixed, thereby improving the clamping efficiency. The expansion clamp, rotary clamp and sliding clamp can be installed in the connecting holes at different positions, and can be flexibly combined and replaced according to the requirements of machining different shapes, sizes and different surfaces of the same cylinder body.

[0027] The first ball assembly on the rotating clamp can reduce friction with the cylinder body, avoiding damage to the cylinder body surface during the clamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 This is a schematic diagram of the processing state of the cylinder body in step 1 of the present invention.

[0030] Figure 2 It is a structural schematic diagram of the rotary clamp and the sliding clamp in the present invention.

[0031] Figure 3 This is a schematic diagram of the processing state of the cylinder body in step 2 of the present invention.

[0032] Figure 4 It is a structural schematic diagram of the expansion clamp and the flexible positioner in the present invention.

[0033] Figure 5 For the present invention Figure 4 A partial enlarged view of point A in the middle.

[0034] Figure 6 For the present invention Figure 2 A partial enlarged view of point B in the middle.

[0035] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0036] 1-Expansion clamp, 2-Rotation clamp, 3-Sliding clamp, 4-Base plate, 5-Card slot, 6-Connecting hole, 7-Flexible positioner, 8-First ball assembly, 9-Processing device, 10-Cylinder body, 11-Expansion sleeve, 12-Second support member, 13-Drive mechanism, 14-First drive surface, 15-Second drive surface, 21-Rotating part, 22-First support member, 31-Third support member, 32-Pressure block, 33-Guide column, 34-Step platform, 35-Locking member, 36-Drive rod, 71-Mounting part, 72-Drive member, 73-Second ball body, 74-Tension spring, 75-Liquid chamber, 76-Give way groove, 81-Moving seat, 82-Spring, 83-First ball body. Specific implementation plan

[0037] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0038] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the embodiments of the present invention.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0040] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0041] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and configurations of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or configurations discussed.

[0043] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0044] Example 1

[0045] See Figures 1-6 , this embodiment discloses an adjustable modular clamp structure, including an expansion clamp 1, a rotation clamp 2, a sliding clamp 3 and a base plate 4, wherein the base plate 4 is used to be mounted on a driving device;

[0046] The bottom ends of the expansion clamp 1, the rotary clamp 2, and the sliding clamp 3 are all provided with a card slot 5, and the base plate 4 is provided with a plurality of connecting holes 6. The connecting holes 6 are provided with flexible positioners 7 for cooperating with the card slots 5 to fix the expansion clamp 1, the rotary clamp 2, and the sliding clamp 3; the first ball assembly 8 is installed on the side of the rotary clamp 2 that is in contact with the cylinder body 10;

[0047] An installation area for installing the cylinder 10 is formed between the expansion clamp 1 , the rotation clamp 2 , and the sliding clamp 3 .

[0048] In this embodiment, the base plate 4 is detachably mounted on the workbench of the driving device by bolts, so that the base plate 4 can rotate under the drive of the driving device; in the process of clamping the cylinder body 10, the expansion clamp 1 is used to cooperate with the through hole provided on the cylinder body 10 to clamp the cylinder body 10, so as to achieve preliminary positioning and anti-torsion; the rotary clamp 2 is used to cooperate with the stepped structure formed on the surface of the cylinder body 10 to press the cylinder body 10 onto the base plate 4, while further fixing the cylinder body 10 and preventing the cylinder body 10 from floating during the processing; the sliding clamp 3 is used to extend to the structure inside the cylinder body 10 to clamp the cylinder body 10, and the sliding clamp 3 and the rotary clamp 2 respectively clamp the internal and external structures of the cylinder body 10, so as to fix the cylinder body 10 at multiple points, thereby improving the stability of the cylinder body 10 after being fixed, and avoiding the cylinder body 1 0 is offset during the processing; after the expansion clamp 1, rotary clamp 2 and sliding clamp 3 are installed in the connecting holes 6 evenly distributed on the base plate 4, the expansion clamp 1, rotary clamp 2 and sliding clamp 3 are quickly installed and fixed through the flexible positioner 7 in the connecting hole 6 and the card slot 5 set at the bottom end of the expansion clamp 1, rotary clamp 2 and sliding clamp 3, thereby improving the clamping efficiency; when the cylinder body 10 needs to be clamped for subsequent processing, the expansion clamp 1, rotary clamp 2 and sliding clamp 3 are installed in the connecting holes 6 at different positions, which can be flexibly combined and replaced according to the processing requirements of different shapes, different sizes and different surfaces of the same cylinder body 10; wherein, the first ball assembly 8 on the rotary clamp 2 can reduce the friction between it and the cylinder body 10, thereby avoiding damage to the surface of the cylinder body 10 during the clamping process.

[0049] In some embodiments, the rotary clamp 2 includes a rotating portion 21 and a first support member 22, the rotating portion 21 is threadedly connected to the first support member 22, the first ball assembly 8 is installed on the rotating portion 21, and the card slot 5 is provided at the bottom end of the first support member 22. In this embodiment, the length of the first support member 22 can be selected according to the requirements of the cylinder body 10 of different sizes and shapes, and the size of the first support member 22 is not limited here; by threading the first support member 22 with the rotating portion 21, the rotating portion 21 can be adjusted in position and angle during the process of cooperating with the stepped structure on the surface of the cylinder body 10, thereby improving the stability of the clamping; and the rotating portion 21 will simultaneously move downward under the guidance of the thread during the rotation process; when the rotating portion 21 rotates to contact the stepped structure, the first ball assembly 8 slidably installed on the rotating portion 21 will first contact the stepped structure provided on the cylinder body 10, so that the The sliding friction generated between the rotating part 21 and the cylinder body 10 during the rotation process is converted into rolling friction sliding; as the rotating part 21 continues to rotate, the downward moving rotating part 21 will cause the first ball assembly 8 to be pressed into the rotating part 21. After the first ball assembly 8 moves into the rotating part 21, the rotating part 21 directly presses the cylinder body 10 on the base plate 4, so that the rotating part 21 realizes the conversion from flexible contact to rigid locking in the process of clamping the cylinder body 10, avoiding the rotating part 21 from damaging the surface of the cylinder body 10 in the process of pressing the cylinder body 10, and also ensuring the stability and floating effect of the cylinder body 10 after the rotating part 21 presses the cylinder body 10.

[0050] In some embodiments, the first ball assembly 8 includes a movable seat 81, a spring 82 and a first ball body 83. A slide groove is provided on the rotating part 21, and the movable seat 81 is slidably installed in the slide groove. The movable seat 81 is connected to the slide groove through the spring 82, and the first ball body 83 is rollingly connected to the movable seat 81. In this embodiment, a rolling groove is provided on the movable seat 81, and a first ball body 83 is rollingly connected in the rolling groove; as the rotating part 21 rotates, the first ball body 83 rollingly connected in the rolling groove first contacts the stepped structure provided on the cylinder body 10, so that the sliding friction generated between the rotating part 21 and the cylinder body 10 during the rotation is converted into rolling friction sliding; as the rotating part 21 continues to rotate, the spring 82 connecting the movable seat 81 and the slide groove is compressed, and the downward moving rotating part 21 will cause the first ball body 83 and the movable seat 81 to be pressed into the slide groove, so that the rotating part 21 can rigidly lock the stepped mechanism provided on the cylinder body 10; after the cylinder body 10 is processed and the rotating part 21 rotates until it no longer contacts the surface of the cylinder body 10, the movable seat 81 and the first ball body 83 can be reset under the action of the spring 82.

[0051] In some embodiments, the expansion clamp 1 includes an expansion sleeve 11, a second support member 12, and a drive mechanism 13. The limit groove is provided at the bottom end of the second support member 12, and the expansion sleeve 11 is slidably mounted on the second support member 12. The drive mechanism 13 is provided with a first drive surface 14 for driving the expansion sleeve 11 to expand. The expansion sleeve 11 is also provided with a stress groove. In this embodiment, the expansion sleeve 11 is made of metal. The drive mechanism 13 is a conventional hydraulic telescopic rod in the prior art (the structure and function of the hydraulic telescopic rod are not described in detail here). The first drive surface 14 is provided at the movable end of the hydraulic telescopic rod, and a plurality of stress grooves are evenly distributed on the expansion sleeve 11. When the hydraulic telescopic rod moves toward the expansion sleeve 11, the first drive surface 14 provided at the movable end of the drive mechanism 13 drives the expansion sleeve 11 outward. The expanded expansion sleeve 11 comes into close contact with the inner wall of the through-hole of the cylinder body 10, thereby providing initial positioning of the cylinder body 10 and preventing torsional stiffness of the cylinder body 10 during subsequent clamping.

[0052] In some embodiments, the second support member 12 is provided with a second driving surface 15 for driving the expansion of the expansion sleeve 11. In this embodiment, when the expansion sleeve 11 slides upward under the action of the drive mechanism 13, the second driving surface 15 further applies an outward thrust to the expansion sleeve 11, assisting its expansion. Compared to relying solely on the first driving surface 14 of the drive mechanism 13 to drive the expansion of the expansion sleeve 11, the provision of the second driving surface 15 ensures more uniform expansion of the expansion sleeve 11 and more efficient distribution of clamping force.

[0053] Example 2

[0054] See Figures 1-6 This embodiment is further optimized based on the first embodiment. In this embodiment, the sliding clamp 3 includes a third support member 31, a pressure block 32, and a guide column 33 installed on the third support member 31. The pressure block 32 is provided with a guide groove that is slidably connected to the guide column 33. The guide column 33 is provided with a stepped platform 34. The guide column 33 is threadedly connected with a locking member 35. The locking member 35 and the stepped platform 34 form an installation area for limiting the pressure block 32. In this embodiment, the sliding adjustment of the pressure block 32 is achieved through the cooperation of the guide column 33 and the guide groove. The position of the pressure block 32 can be adjusted according to the size and shape of the cylinder body 10 to achieve the best clamping effect. After the stepped platform 34 and the locking member 35 cooperate, the pressure block 32 moved to the predetermined position can be limited and fixed, thereby ensuring the stability of the pressure block 32 during the processing and preventing the pressure block 32 from loosening and affecting the processing accuracy.

[0055] In some embodiments, a drive rod 36 is threadedly connected to the third support member 31, and the drive rod 36 is used to drive the pressure block 32 to rotate. In this embodiment, the side of the drive rod 36 used to contact the pressure block 32 is provided with a spherical head, and the pressure block 32 is provided with a spherical grass for cooperating with the spherical head. When it is necessary to adjust the angle of the pressure block 32 so that the pressure block 32 can cooperate with different structures formed in the cylinder body 10 to compress the cylinder body 10, by rotating the drive rod 36, the spherical head of the drive rod 36 can push the pressure block 32 to rotate on the guide column 33 toward the cylinder body 10, so that the pressure block 32 can better fit the surface of the cylinder body 10; after the pressure block 32 clamps the structure inside the cylinder body 10 under the drive of the drive rod 36, the locking member 35 is rotated to limit and fix the pressure block 32, ensuring the stability of the pressure block 32 during the processing and preventing the pressure block 32 from loosening and affecting the processing accuracy.

[0056] In some embodiments, a pressing member is rotatably mounted on the pressing block 32, and the pressing member is provided with a circular arc portion. In this embodiment, the pressing member is rotatably mounted on the end of the pressing block 32 that contacts the cylinder body 10 via a bearing, and one side of the pressing member is flat, and the other side is provided with the circular arc portion; when the pressing block 32 is to cooperate with different structures formed in the cylinder body 10 to compress the cylinder body 10, the operator can rotate the pressing member so that the structure of the contact surface of the pressing block 32 and the cylinder body 10 is adapted to the structure of the pressing surface of the cylinder body 10, thereby increasing the contact area between the pressing block 32 and the cylinder body 10, and further improving the clamping effect of the pressing block 32 on the cylinder body 10 and the stability of the cylinder body 10 after clamping.

[0057] In some embodiments, a buffer washer is provided between the locking member 35 and the pressure block 32. In this embodiment, the buffer washer is a conventional metal washer in the prior art. The provision of the buffer washer provides a buffering and anti-loosening function, protecting the pressure block 32 and the locking member 35 and extending their service life. Furthermore, after the pressure block 32 rotates toward the cylinder body 10 under the drive rod 36, the contact area between the locking member 35 and the pressure block 32 is reduced. The provision of the washer ensures that the locking member 35 locks the pressure block 32.

[0058] In some embodiments, the flexible locator 7 includes a mounting portion 71, a driving member 72, a second ball body 73 and a tension spring 74. A liquid cavity 75 is provided in the substrate 4, and a liquid source device for inputting high-pressure liquid into the liquid cavity 75 is connected to the substrate 4; the driving member 72 is slidably installed in the mounting portion 71, and the driving member 72 is connected to the mounting portion 71 through the tension spring 74. A rolling groove is provided on the mounting portion 71, and the second ball body 73 is rollingly installed in the rolling groove. When the first support member 22, the second support member 12 and the third support member 31 are placed in the connecting hole 6 according to the predetermined position, the mounting portion 71 is fixedly installed in the connecting hole 6, and a groove communicating with the liquid chamber 75 is provided in the mounting portion 71, and the driving member 72 is slidably installed in the groove; in this embodiment, there are a plurality of rolling grooves, and the plurality of rolling grooves are arranged at equal intervals along the circumferential direction of the mounting portion 71, and the card groove 5 is arranged corresponding to the rolling groove; the second ball body 73 is provided with a yield groove 76 corresponding to the rolling groove on the driving member 72 along the mounting portion 71; the liquid source device is The conventional hydraulic pump equipment in the prior art is connected to a liquid delivery pipe connected to the liquid chamber 75. The specific structure of the hydraulic pump equipment and when it is necessary to install the expansion clamp 1, the rotary clamp 2 or the sliding clamp 3, the hydraulic pump is started to input high-pressure liquid into the liquid chamber 75. The high-pressure liquid pushes the driving member 72 to stretch the tension spring 74, so that the driving member 72 moves toward the outside of the connecting hole 6. The driving member 72 pushes the second ball body 73 to protrude outward, and the second ball body 73 contacts the inner wall of the slot 5 to achieve positioning and fixation of the expansion clamp 1, the rotary clamp 2 or the sliding clamp 3. When it is necessary to disassemble the expansion clamp 1, the rotary clamp 2 or the sliding clamp 3, the hydraulic pump equipment is stopped, the pressure in the liquid chamber 75 drops, the tension spring 74 contracts to drive the driving member 72 to reset, and the second ball body 73 retracts into the said give way groove 76, so as to facilitate the disassembly of the expansion clamp 1, the rotary clamp 2 or the sliding clamp 3; through the hydraulic drive and the reset of the tension spring 74, the expansion clamp 1, the rotary clamp 2 or the sliding clamp 3 can be quickly positioned and fixed, and the operation is convenient and quick.

[0059] This embodiment also discloses a centralized flexible processing technology for the cylinder body 10, including an adjustable modular fixture structure. Specifically, the processing method for processing the cylinder body 10 includes the following steps:

[0060] Step 1: Rough milling is performed on the top surface and left and right side surfaces of the cylinder body 10, and the process holes set on the top surface of the cylinder body 10 and the plug holes set on the side surfaces of the cylinder body 10 are processed;

[0061] Step 2: Rough milling of the front and rear end surfaces, bottom surface and bearing seat surface of the cylinder block 10, rough boring of the crankshaft hole and drilling of the main oil channel;

[0062] Step 3: Perform precision milling on the bottom surface, bearing seat surface, and left and right side surfaces of the cylinder body 10, and process the threaded holes on the left and right side surfaces;

[0063] Step 4: Processing the oil grooves, slip grooves and threaded holes on the front and rear end surfaces of the cylinder body 10;

[0064] Step 5: Pressure test the processed cylinder block 10 and install the bearing cover;

[0065] Step 6: Fine milling of the top surface and front and rear end surfaces of the cylinder block 10, processing of the pin holes on the front and rear end surfaces and the top surface, fine boring of the cylinder hole and the crankshaft hole.

[0066] In step 1, according to the size and shape of the cylinder body 10, suitable expansion clamps 1, rotary clamps 2 and sliding clamps 3 are selected, and they are installed on the base plate 4 through the cooperation of the flexible positioner 7 and the card slot 5 to form a clamp structure, and the cylinder body 10 is fixed, and the cylinder body 10 is positioned by the bearing seat surface, and the cylinder body 10 is processed using the corresponding processing device 9; in steps 2, 3 and 4, suitable expansion clamps 1, rotary clamps 2 and sliding clamps 3 are selected, and they are installed on the base plate 4 through the cooperation of the flexible positioner 7 and the card slot 5 to form a clamp structure, and the cylinder body 10 is fixed, and the cylinder body 10 is positioned by positioning the top surface and the top surface process holes, and the corresponding processing device is used. 9. The cylinder body 10 is processed; in step 5, the conventional pressure testing equipment in the prior art is used to test the pressure of the cylinder body 10, and its structure and function are not explained here one by one; in step 6, according to the size and shape of the cylinder body 10, a suitable expansion clamp 1, rotary clamp 2 and sliding clamp 3 are selected, and the cylinder body 10 is fixed after being installed on the base plate 4 by the cooperation of the flexible positioner 7 and the card slot 5 to form a clamp structure, and the cylinder body 10 is positioned by positioning the bottom surface and the bottom surface pin hole, and the cylinder body 10 is processed using the corresponding processing device 9; the processing device 9 is a conventional processing device 9 in the prior art, and the specific structure and function of the processing device 9 are not explained here. During the processing, according to different processing procedures and requirements, the position, quantity and angle of the expansion clamp 1, rotary clamp 2 and sliding clamp 3 can be adjusted to ensure processing accuracy.

[0067] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An adjustable modular fixture structure, characterized by: The invention comprises an expansion clamp (1), a rotation clamp (2), a sliding clamp (3) and a base plate (4), wherein the base plate (4) is used for being mounted on a driving device; The bottom ends of the expansion clamp (1), the rotary clamp (2) and the sliding clamp (3) are all provided with a card slot (5); the base plate (4) is provided with a plurality of connection holes (6); the connection holes (6) are provided with a flexible positioner (7) for cooperating with the card slot (5) to fix the expansion clamp (1), the rotary clamp (2) and the sliding clamp (3); the first ball assembly (8) is installed on the side of the rotary clamp (2) for contacting with the cylinder body (10); An installation area for installing the cylinder (10) is formed between the expansion clamp (1), the rotation clamp (2) and the sliding clamp (3).

2. The adjustable modular fixture structure according to claim 1, characterized in that: The rotary clamp (2) comprises a rotating portion (21) and a first support member (22), wherein the rotating portion (21) is threadedly connected to the first support member (22), the first ball assembly (8) is slidably mounted on the rotating portion (21), and the clamping groove (5) is provided at the bottom end of the first support member (22).

3. The adjustable modular fixture structure according to claim 2, characterized in that: The first ball assembly (8) includes a movable seat (81), a spring (82) and a first ball body (83); a slide groove is provided on the rotating portion (21); the movable seat (81) is slidably installed in the slide groove; the movable seat (81) is connected to the slide groove via the spring (82); and the first ball body (83) is rollingly connected to the movable seat (81).

4. The adjustable modular fixture structure according to claim 1, characterized in that: The expansion clamp (1) comprises an expansion sleeve (11), a second support member (12) and a driving mechanism (13); the limiting groove is arranged at the bottom end of the second support member (12); the expansion sleeve (11) is slidably mounted on the second support member (12); the driving mechanism (13) is provided with a first driving surface (14) for driving the expansion sleeve (11) to expand; and the expansion sleeve (11) is provided with a stress groove.

5. The adjustable modular fixture structure according to claim 4, characterized in that: The second support member (12) is provided with a second driving surface (15) for driving the expansion sleeve (11) to expand.

6. The adjustable modular fixture structure according to claim 1, characterized in that: The sliding clamp (3) includes a third support member (31), a pressure block (32) and a guide column (33) installed on the third support member (31), the pressure block (32) is provided with a guide groove slidably connected to the guide column (33), the guide column (33) is provided with a stepped platform (34), the guide column (33) is threadedly connected with a locking member (35), and an installation area for limiting the pressure block (32) is formed between the locking member (35) and the stepped platform (34).

7. The adjustable modular fixture structure according to claim 6, characterized in that: A driving rod (36) is threadedly connected to the third support member (31), and the driving rod (36) is used to drive the pressing block (32) to rotate.

8. The adjustable modular fixture structure according to claim 7, characterized in that: A buffer washer is provided between the locking member (35) and the pressing block (32).

9. The adjustable modular fixture structure according to claim 1, characterized in that: The flexible positioner (7) includes a mounting portion (71), a driving member (72), a second ball body (73) and a tension spring (74); a liquid cavity (75) is provided in the substrate (4); a liquid source device for inputting high-pressure liquid into the liquid cavity (75) is connected to the substrate (4); the driving member (72) is slidably mounted in the mounting portion (71), and the driving member (72) is connected to the connecting hole (6) through the tension spring (74); a rolling groove is provided on the mounting portion (71), and the second ball body (73) is rollingly mounted in the rolling groove.

10. A centralized flexible processing technology for a cylinder body (10), characterized by: A process for processing a cylinder body (10) using an adjustable modular fixture structure according to any one of claims 1 to 9, comprising the following steps: Step 1: Rough milling is performed on the top surface and left and right side surfaces of the cylinder body (10), and the process holes provided on the top surface of the cylinder body (10) and the plug holes provided on the side surfaces of the cylinder body (10) are processed; Step 2: Rough milling the front and rear end faces, bottom surface and bearing seat surface of the cylinder block (10), rough boring the crankshaft hole and drilling the main oil channel; Step 3: Fine milling the bottom surface, bearing seat surface, and left and right side surfaces of the cylinder body (10), and processing the threaded holes on the left and right side surfaces; Step 4: Processing the oil grooves, slip grooves and threaded holes on the front and rear end surfaces of the cylinder body (10); Step 5: Pressure test the processed cylinder block (10) and install the bearing cover; Step 6: Fine milling of the top surface and front and rear end surfaces of the cylinder block (10), processing of the pin holes on the front and rear end surfaces and the top surface, fine boring of the cylinder hole and the crankshaft hole.

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