Hydraulic valve sleeve clamping device and machining apparatus

Abstract

The present application belongs to the field of valve sleeve processing, and particularly relates to a hydraulic valve sleeve clamping device and processing equipment to solve the problem that three-jaw clamping is easy to cause damage to the outer wall of the hydraulic valve sleeve, which comprises a clamping assembly and a connecting base, the clamping assembly comprises two clamping plates and a plurality of limiting pieces, the plurality of limiting pieces are respectively arranged on the two clamping plates, the two clamping plates are sleeved on the hydraulic valve sleeve, the relative positions of the clamping plates and the hydraulic valve sleeve are fixed through the limiting pieces, the connecting base is provided with a mounting groove, and the two clamping plates are inserted into the mounting groove after being sleeved on the hydraulic valve sleeve, and the relative positions of the clamping plates and the connecting base are fixed through the limiting pieces. The present application has the advantages that the clamping plates are sleeved on the hydraulic valve sleeve, the clamping plates and the hydraulic valve sleeve are connected into a whole through the limiting pieces, then the clamping plates and the connecting base are connected into a whole, the outer wall of the hydraulic valve sleeve is uniformly stressed when being fixed, damage is not easy to occur, and the fixing effect is good.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of valve sleeve processing, and more particularly to a hydraulic valve sleeve clamping device and processing equipment. BACKGROUND

[0002] The honing machine is a cylindricality repairing machine for sleeve parts after the boring process, and is used for honing processing of cylinder blocks, valve sleeves and the like.

[0003] The hydraulic valve sleeve is generally cylindrical in whole, and a plurality of through holes for installing screws are formed on the outer wall. At present, when the honing machine clamps the hydraulic valve sleeve, three clamping jaws are usually used to clamp and fix the hydraulic valve sleeve. When the hydraulic valve sleeve is installed, the angle during processing of the hydraulic valve sleeve is first adjusted, and then the outer wall of the hydraulic valve sleeve is clamped by the clamping jaws, so that the position of the hydraulic valve sleeve is fixed.

[0004] The following problems exist in the prior art: the outer wall of the hydraulic valve sleeve is clamped and fixed by the clamping jaws, and it is difficult to control the clamping force of the clamping jaws on the outer wall of the hydraulic valve sleeve. The outer wall of the hydraulic valve sleeve bears the clamping force of the clamping jaws, and the clamping jaws are likely to cause damage to the outer wall of the hydraulic valve sleeve, thereby affecting the quality of the hydraulic valve sleeve. SUMMARY

[0005] In order to improve the fixing effect of the hydraulic valve sleeve and avoid damage to the outer wall of the hydraulic valve sleeve, the present application provides a hydraulic valve sleeve clamping device.

[0006] The hydraulic valve sleeve clamping device provided by the present application adopts the following technical scheme:

[0007] The hydraulic valve sleeve clamping device comprises a clamping assembly and a connecting base. The clamping assembly comprises two clamping plates and a plurality of limiting pieces. The plurality of limiting pieces are arranged on the two clamping plates respectively. The two clamping plates are sleeved on the hydraulic valve sleeve, and the relative positions of the clamping plates and the hydraulic valve sleeve are fixed by the limiting pieces. The connecting base is provided with a mounting groove. After the two clamping plates are sleeved on the hydraulic valve sleeve, the clamping plates are inserted into the mounting groove. The relative positions of the clamping plates and the connecting base are fixed by the limiting pieces.

[0008] By adopting the above technical scheme, after the two clamping plates are sleeved on the hydraulic valve sleeve, the position of the hydraulic valve sleeve is fixed by the limiting pieces, so that the clamping plates and the hydraulic valve sleeve are connected as a whole. Then, the clamping plates and the hydraulic valve sleeve are inserted into the mounting groove on the connecting base together, and the clamping plates and the connecting base are connected as a whole by the limiting pieces, so that the fixing of the hydraulic valve sleeve is completed. The outer wall of the hydraulic valve sleeve is uniformly stressed and is not easy to be damaged, and the fixing effect is good.

[0009] As a further preferred, the limiting piece is a positioning pin, the clamping plate is provided with a positioning hole for the positioning pin to pass through, the positioning pin is inserted into the through hole or abuts against the outer wall of the hydraulic valve sleeve after the clamping plate is sleeved on the hydraulic valve sleeve, and the positioning pin abutting against the outer wall of the hydraulic valve sleeve is detachably connected with the connecting base.

[0010] By adopting the technical scheme, the positioning pin can move in the positioning hole, the clamping plate is sleeved on the hydraulic valve sleeve, the positioning pin is pushed to be inserted into the through hole on the hydraulic valve sleeve, the clamping plate and the hydraulic valve sleeve are relatively fixed, the positioning pin not inserted into the through hole abuts against the outer wall of the hydraulic valve sleeve, the structure is simple, and the use is convenient.

[0011] As a further preferred, the length of the positioning pin inserted into the through hole is not greater than the wall thickness of the hydraulic valve sleeve.

[0012] By adopting the technical scheme, the positioning pin is inserted into the through hole to fix the hydraulic valve sleeve, and meanwhile, the positioning pin is prevented from extending into the interior of the hydraulic valve sleeve to affect machining.

[0013] As a further preferred, the connecting base is provided with a limiting groove, the limiting groove is communicated with the mounting groove, and the positioning pin abutting against the outer wall of the hydraulic valve sleeve enters the limiting groove when the two clamping plates are inserted into the mounting groove after being sleeved on the hydraulic valve sleeve.

[0014] By adopting the technical scheme, the positioning pin abutting against the outer wall of the hydraulic valve sleeve enters the limiting groove when the clamping plate is inserted into the mounting groove, so that the position between the clamping plate and the hydraulic valve sleeve is limited, and the clamping plate is prevented from being separated from the mounting groove.

[0015] As a further preferred, the limiting groove comprises a vertical part and a horizontal part which are communicated with each other, the setting direction of the vertical part is the same as the setting direction of the mounting groove, and the horizontal part is perpendicular to the setting direction of the mounting groove.

[0016] By adopting the technical scheme, the positioning pin enters the horizontal part after rotating the clamping plate and the hydraulic valve sleeve from the vertical part to the bottom, so that the clamping plate is prevented from being separated from the mounting groove, the operation is convenient, and the fixing effect on the hydraulic valve sleeve is good.

[0017] As a further preferred, the mounting groove extends to the top of the connecting base to form an opening, and the top diameter of the opening is greater than the bottom diameter.

[0018] By adopting the technical scheme, the clamping plate is inserted into the mounting groove from the opening after being sleeved on the hydraulic valve sleeve, and the structure that the opening is large at the top and small at the bottom facilitates the insertion and installation of the clamping plate, and improves the installation efficiency.

[0019] As a further preferred, the bottom of the mounting groove is provided with a buffer pad.

[0020] By adopting the above technical scheme, the buffer pad is arranged between the clamping plate and the mounting groove to play a shock-absorbing role, avoiding damage caused by vibration during machining of the hydraulic valve sleeve.

[0021] As a further preferred, the end of the connecting base away from the mounting groove is detachably connected with a mounting plate, the mounting plate is provided with a positioning groove, the connecting base is embedded in the positioning groove, and the connecting base and the mounting plate are both provided with through holes located on the same axis.

[0022] By adopting the above technical scheme, the connecting base is mounted in the positioning groove of the mounting plate, and then the mounting plate is mounted on the honing machine, so that the connecting base is mounted on the honing machine, and the installation stability of the connecting base is improved. The honing tool on the honing machine can pass through the through hole to machine the hydraulic valve sleeve.

[0023] As a further preferred, the connecting base and the positioning groove are both provided with threaded holes, the connecting base and the mounting plate are connected by screws passing through the threaded holes in the connecting base and the positioning groove, and the mounting plate is provided with mounting holes for bolts at four corners.

[0024] By adopting the above technical scheme, the connecting base is mounted in the positioning groove using screws, and then the mounting plate is mounted on the honing machine using bolts, so that the installation is convenient, and the installation is more stable after installation, facilitating machining of the hydraulic valve sleeve.

[0025] The hydraulic valve sleeve machining device provided by the application adopts the following technical scheme:

[0026] The hydraulic valve sleeve machining device comprises a mounting frame and a hydraulic valve sleeve clamping device, and the connecting base of the hydraulic valve sleeve clamping device is detachably connected to the mounting frame.

[0027] By adopting the above technical scheme, the hydraulic valve sleeve can be clamped and fixed before machining, the outer wall of the hydraulic valve sleeve is uniformly stressed, the hydraulic valve sleeve is more stable during machining, and damage is less likely to occur.

[0028] In summary, the application has at least the following beneficial technical effects:

[0029] 1. After the two clamping plates are sleeved on the hydraulic valve sleeve, the position of the hydraulic valve sleeve is fixed by the limiting piece, so that the clamping plate and the hydraulic valve sleeve are connected as a whole, and then the clamping plate and the hydraulic valve sleeve are inserted into the mounting groove on the connecting base, and the clamping plate and the connecting base are connected as a whole by the limiting piece, so that the fixation of the hydraulic valve sleeve is completed, the outer wall of the hydraulic valve sleeve is uniformly stressed, damage is less likely to occur, and the fixation effect is good.

[0030] 2. The positioning pin can move in the positioning hole. After the clamping plate is sleeved on the hydraulic valve sleeve, the positioning pin is pushed to be inserted into the through hole on the hydraulic valve sleeve, so that the clamping plate and the hydraulic valve sleeve are relatively fixed, the positioning pin not inserted into the through hole abuts against the outer wall of the hydraulic valve sleeve, and when the clamping plate is inserted into the mounting groove, the positioning pin abutting against the outer wall of the hydraulic valve sleeve enters the limiting groove, so that the position between the clamping plate and the hydraulic valve sleeve is limited, the clamping plate is prevented from being separated from the mounting groove, and the hydraulic valve sleeve is more stably fixed.

[0031] 3. The connecting base is installed into the positioning groove on the mounting base plate, and then the mounting base plate is installed on the honing machine, so that the connecting base is installed on the honing machine, the installation stability of the connecting base is improved, and the honing tool on the honing machine can better process the hydraulic valve sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is the overall cross-sectional structure schematic diagram of the embodiment of the present application;

[0033] Figure 2 is the cross-sectional structure schematic diagram of the connecting base of the embodiment of the present application;

[0034] Figure 3 is the schematic diagram of the mounting base plate of the embodiment of the present application;

[0035] Figure 4 is the connecting schematic diagram of the mounting base plate and the mounting frame of the embodiment of the present application.

[0036] In all the drawings, the same reference signs are used to represent the same elements or structures, wherein:

[0037] 1, clamping assembly; 11, clamping plate; 111, positioning hole; 12, positioning pin; 2, connecting base; 21, mounting groove; 22, limiting groove; 221, vertical part; 222, horizontal part; 23, opening; 24, buffer pad; 25, calibration block; 3, mounting base plate; 31, positioning groove; 32, through hole; 33, threaded hole; 34, mounting hole; 35, calibration groove; 4, hydraulic valve sleeve; 41, through hole; 5, mounting frame. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0039] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0040] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0041] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The present application will be further described in detail.

[0043] The hydraulic valve is an automatic element operated by pressure oil, which is controlled by pressure oil of the pressure regulating valve, and is usually combined with the electromagnetic pressure regulating valve, which can be used for remote control of the on-off of the oil, gas and water pipeline system of the hydropower station. The hydraulic valve usually comprises a valve sleeve and a valve core, the hydraulic valve sleeve is usually cylindrical in whole, and a plurality of through holes for mounting screws are formed on the outer wall, and the valve core is fixed in the hydraulic valve sleeve by screws.

[0044] The honing machine is a cylindrical degree repairing machine tool for sleeve type parts after the boring process, which is often used for honing machining of valve sleeves and the like. In order to facilitate the machining of the hydraulic valve sleeve, it needs to be fixed before machining, and the embodiment of the present application discloses a hydraulic valve sleeve clamping device.

[0045] Reference Figures 1-3The hydraulic valve sleeve clamping device comprises a clamping assembly 1, a connecting base 2 and a mounting base plate 3, the hydraulic valve sleeve 4 is clamped and fixed by the clamping assembly 1, and then is mounted on the connecting base 2, so that the hydraulic valve sleeve 4, the clamping assembly 1 and the connecting base 2 are connected into an integral whole, the connecting base 2 is mounted on the honing machine through the mounting base plate 3, and thus the fixation of the hydraulic valve sleeve 4 is completed, and the honing machine is convenient for machining.

[0046] In order to stably mount the hydraulic valve sleeve 4 on the connecting base 2, the clamping assembly 1 comprises two clamping plates 11 and a plurality of limiting pieces, the plurality of limiting pieces are arranged on the two clamping plates 11 respectively, the two clamping plates 11 are arranged symmetrically, the relative positions of the clamping plates 11 and the hydraulic valve sleeve 4 are fixed by the limiting pieces through sleeving the two clamping plates 11 on the hydraulic valve sleeve 4, the hydraulic valve sleeve 4 is connected into an integral whole with the two clamping plates 11, and then the hydraulic valve sleeve 4 sleeved with the two clamping plates 11 is mounted on the connecting base 2, the relative positions of the clamping plates 11 and the connecting base 2 are fixed by the limiting pieces, and the connecting base 2, the clamping plates 11 and the hydraulic valve sleeve 4 are connected into an integral whole.

[0047] Specifically, the mounting groove 21 is formed in the connecting base 2, the hydraulic valve sleeve 4 sleeved with the two clamping plates 11 is mounted in the mounting groove 21, the mounting groove 21 extends to the top of the connecting base 2 to form an opening 23, the top diameter of the opening 23 is larger than the bottom diameter, the structure that the opening 23 is large at the top and small at the bottom facilitates the insertion and mounting of the clamping plates 11, and the mounting efficiency is improved.

[0048] Moreover, the bottom of the mounting groove 21 is provided with a buffer pad 24, the buffer pad 24 is located between the clamping plate 11 and the mounting groove 21 after the hydraulic valve sleeve 4 is mounted, and plays a role of shock absorption, so that damage caused by vibration of the hydraulic valve sleeve 4 during machining is avoided.

[0049] In the embodiment, the limiting piece is specifically a positioning pin 12, the clamping plate 11 is provided with a positioning hole 111 for the positioning pin 12 to pass through, the outer wall of the positioning pin 12 is attached to the inner wall of the positioning hole 111 and has a large friction force, so that the positioning pin 12 is not easy to fall off from the positioning hole 111, the positioning pin 12 is inserted into the perforation 41 on the hydraulic valve sleeve 4 in a plug-in mode, and the positioning pin 12 on the clamping plate 11 is inserted into the perforation 41 or abuts against the outer wall of the hydraulic valve sleeve 4 after the clamping plate 11 is sleeved on the hydraulic valve sleeve 4.

[0050] In order to avoid the positioning pin 12 from extending into the hydraulic valve sleeve 4 to affect machining, when the positioning pin 12 is inserted into the perforation 41, the length of the positioning pin 12 inserted into the perforation 41 is not greater than the wall thickness of the hydraulic valve sleeve 4, the other end of the positioning pin 12 inserted into the perforation 41 does not exceed the outer wall of the clamping plate 11, and the positioning pin 12 abutting against the outer wall of the hydraulic valve sleeve 4 extends to the outside of the clamping plate 11.

[0051] In order to fix the clamping plates 11 on the connecting base 2, a limiting groove 22 is formed on the connecting base 2, the limiting groove 22 is communicated with the mounting groove 21, when the two clamping plates 11 are sleeved on the hydraulic valve sleeve 4 and inserted into the mounting groove 21, the positioning pin 12 abutting against the outer wall of the hydraulic valve sleeve 4 enters the limiting groove 22; in order to prevent the clamping plates 11 from falling off after installation, the limiting groove 22 comprises a vertical part 221 and a horizontal part 222 which are communicated with each other, the opening direction of the vertical part 221 is the same as the opening direction of the mounting groove 21, the horizontal part 222 is perpendicular to the opening direction of the mounting groove 21, when the clamping plates 11 are installed, the positioning pin 12 enters the bottom part from the vertical part 221, then the clamping plates 11 and the hydraulic valve sleeve 4 are rotated, so that the positioning pin 12 enters the horizontal part 222.

[0052] In order to stably install the connecting base 2 on the honing machine, the bottom of the connecting base 2 is detachably connected with the mounting bottom plate 3, mounting holes 34 for penetrating bolts are formed at four corners of the mounting bottom plate 3, the mounting bottom plate 3 is fixedly connected with the honing machine through bolts, a positioning groove 31 is formed on the mounting bottom plate 3, the connecting base 2 is embeddedly matched with the positioning groove 31, the connecting base 2 and the mounting bottom plate 3 are both provided with through holes 32 located on the same axis, a honing tool on the honing machine can pass through the through holes 32 to process the hydraulic valve sleeve 4, threaded holes 33 are formed in the connecting base 2 and the positioning groove 31, the connecting base 2 is fixedly connected in the positioning groove 31 by penetrating the threaded holes 33 in the connecting base 2 and the positioning groove 31 with screws; meanwhile, a calibration groove 35 is formed on the inner wall of the positioning groove 31, a calibration block 25 matched with the calibration groove 35 is fixedly connected on the connecting base 2, when the connecting base 2 is installed in the positioning groove 31, the calibration block 25 is aligned with the calibration groove 35, so that the threaded holes 33 on the connecting base 2 can be accurately butted with the threaded holes 33 in the positioning groove 31, and the screws are conveniently inserted to fix the connecting base 2 and the mounting bottom plate 3.

[0053] The application further discloses a hydraulic valve sleeve 4 processing equipment.

[0054] Referring to Figure 4 The hydraulic valve sleeve processing equipment comprises a mounting frame 5 and the hydraulic valve sleeve 4 clamping device, the connecting base 2 is detachably connected with the mounting frame 5 through the mounting bottom plate 3, specifically, after the connecting base 2 is installed on the mounting bottom plate 3 through screws, the mounting bottom plate 3 is fixedly connected with the mounting frame 5 through bolts.

[0055] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A hydraulic valve sleeve clamping device characterized by, The utility model provides a hydraulic valve sleeve clamping device, including clamping assembly (1) and connecting base (2), clamping assembly (1) includes two clamping plates (11) and a plurality of limit pieces, a plurality of limit pieces are arranged on two clamping plates (11) respectively, two clamping plates (11) are set on hydraulic valve sleeve (4), and the relative position of clamping plate (11) and hydraulic valve sleeve (4) is fixed through limit piece, and connecting base (2) is set up with installation groove (21) on, when two clamping plates (11) are set on hydraulic valve sleeve (4) after inserting installation groove (21), and the relative position of clamping plate (11) and connecting base (2) is fixed through limit piece, The limit piece is a positioning pin (12), the clamping plate (11) is provided with a positioning hole (111) for the positioning pin (12) to pass through, the positioning pin (12) is inserted and matched with the through hole (41) on the hydraulic valve sleeve (4), after the clamping plate (11) is set on the hydraulic valve sleeve (4), the positioning pin (12) is inserted into the through hole (41) or abuts against the outer wall of the hydraulic valve sleeve (4), the positioning pin (12) abutting against the outer wall of the hydraulic valve sleeve (4) extends to the outside of the clamping plate (11), and the positioning pin (12) abutting against the outer wall of the hydraulic valve sleeve (4) is detachably connected with the connecting base (2), The connecting base (2) is provided with a limiting groove (22), the limiting groove (22) is communicated with the installation groove (21), when the two clamping plates (11) are inserted into the installation groove (21) after being set on the hydraulic valve sleeve (4), the positioning pin (12) abutting against the outer wall of the hydraulic valve sleeve (4) enters the limiting groove (22), The limiting groove (22) comprises a vertical part (221) and a horizontal part (222) which are communicated with each other, the vertical part (221) is provided in the same direction as the installation groove (21), and the horizontal part (222) is perpendicular to the direction of the installation groove (21); When the clamping plate (11) is installed, the positioning pin (12) enters the bottom part from the vertical part (221), the clamping plate (11) and the hydraulic valve sleeve (4) are rotated, and the positioning pin (12) enters the horizontal part (222).

2. A hydraulic valve sleeve clamping device according to claim 1, wherein, The length of the positioning pin (12) inserted into the through hole (41) is not greater than the wall thickness of the hydraulic valve sleeve (4).

3. A hydraulic valve sleeve clamping device according to claim 1, wherein, The installation groove (21) extends to the top of the connecting base (2) to form an opening (23), and the top diameter of the opening (23) is greater than the bottom diameter.

4. A hydraulic valve sleeve clamping device according to claim 1, wherein, The bottom of the installation groove (21) is provided with a buffer pad (24).

5. A hydraulic valve sleeve clamping device according to claim 1, wherein, The end of the connecting base (2) away from the installation groove (21) is detachably connected with a mounting base plate (3), the mounting base plate (3) is provided with a positioning groove (31), the connecting base (2) is embedded and matched with the positioning groove (31), and the connecting base (2) and the mounting base plate (3) are both provided with through holes (32) located on the same axis.

6. A hydraulic valve sleeve clamping device according to claim 5, wherein, Threaded holes (33) are formed in the connecting base (2) and the positioning groove (31), and screws are passed through the threaded holes (33) in the connecting base (2) and the positioning groove (31) to connect the connecting base (2) and the mounting base plate (3), and mounting holes (34) for bolts are formed at four corners of the mounting base plate (3).

7. A hydraulic valve sleeve machining apparatus characterized by comprising: The hydraulic valve sleeve clamping device as claimed in any one of claims 1-6 is detachably connected to the mounting rack (5).

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