Machining tool for end cover plate of hydraulic control multi-way reversing valve

Abstract

The utility model discloses a hydraulic control multi-way reversing valve end cover plate machining tool which comprises a double-thread screw, a nut M16, a gasket, a one-way moving pressing plate, a positioning pin, ejector rods, a bottom plate, a baffle, a supporting plate, a screw M8 and a screw M10, the ejector rods are arranged on the two sides of the top of the bottom plate, the one-way moving pressing plate is arranged on the tops of the ejector rods, and the positioning pin is arranged on the nut M16. The gasket is arranged at the top of the one-way moving pressing plate, the nut M16 is arranged at the top of the gasket, and the double-thread screw is connected to the interior of the nut M16 through threads. The hydraulic control multi-way reversing valve end cover plate machining tool has the advantages of being good in fixing effect and convenient to adjust, and solves the problems that when a machining tool in the prior art is used for fixing a hydraulic control multi-way reversing valve end cover plate, stability is low, the position of the hydraulic control multi-way reversing valve end cover plate is inconvenient to adjust, operation difficulty is increased, and machining cost is reduced. And the processing progress of the end cover plate of the hydraulic control multi-way reversing valve is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of processing an end cover plate of a hydraulically controlled multi-way reversing valve, in particular to a processing tool for an end cover plate of a hydraulically controlled multi-way reversing valve. Background Art

[0002] At the request of the Loader Technology Research Institute, the LYGDF32-19 was developed to replace the existing LGD32C hydraulic multi-way reversing valve in the hydraulic multi-way reversing valve for 5T National IV engines to reduce the procurement cost of the main valve of the main engine. The LYGDF32-19 was developed based on the reference standard product (LGD32C) of the hydraulic multi-way reversing valve. Its performance and main parameters are the same as those of the reference product. In the manufacturing field of hydraulic multi-way directional valves, the end cover is an important component of the hydraulic multi-way reversing valve, which has a great impact on the liquid flow direction and overall stability performance of the hydraulic multi-way reversing valve.

[0003] The processing tooling of the existing technology has low stability and is inconvenient to adjust the position of the end cover plate of the hydraulically controlled multi-way reversing valve when fixing the end cover plate of the hydraulically controlled multi-way reversing valve. This not only increases the difficulty of operation, but also reduces the processing progress of the end cover plate of the hydraulically controlled multi-way reversing valve. Therefore, there is an urgent need for a hydraulically controlled multi-way reversing valve end cover plate processing tooling to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulically controlled multi-way reversing valve end cover processing tooling, which has the advantages of good fixing effect and convenient adjustment, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulically controlled multi-way reversing valve end cover processing tooling, including a double-headed screw, a nut M16, a gasket, a one-way movable pressure plate, a locating pin, a push rod, a base plate, a baffle, a support plate, a screw M8 and a screw M10, the push rods are both arranged on both sides of the top of the base plate, the one-way movable pressure plate is arranged on the top of the push rod, the gasket is arranged on the top of the one-way movable pressure plate, the nut M16 is arranged on the top of the gasket, the double-headed screw is connected to the inside of the nut M16 by a thread, the bottom of the locating pin is mounted on the left side of the center of the top of the base plate through the shaft hole, the support plate is arranged at the center of the top of the base plate, the screw M8 is arranged on the top of the support plate, the baffle is arranged on the front of the base plate, and the screws M10 are both arranged on both sides of the front of the baffle.

[0006] Furthermore, the bottom of the push rod is connected to the top of the bottom plate through a threaded connection, and the bottom of the double-headed screw penetrates to the bottom of the unidirectional movable pressure plate and is threadedly connected to the top of the bottom plate.

[0007] Furthermore, the bottom of the screw M8 penetrates the bottom of the support plate and is threadedly connected to the top of the bottom plate, and the back of the screw M10 penetrates the back of the baffle and is threadedly connected to the front of the bottom plate.

[0008] Furthermore, the support plate is carburized and quenched, and the carburized layer depth is 0.8 cm-1.2 cm, the surface hardness is 58HRC-64HRC, and the core hardness is 30HRC-45HRC.

[0009] Furthermore, after the support plate is installed, the upper plane needs to be corrected, and the flatness is not greater than 0.03 mm. The length of the double-headed screw is 30 cm.

[0010] In summary, due to the adoption of the above technology, the beneficial effects of the present invention are:

[0011] The utility model adjusts the flatness of the workpiece by setting a push rod. When in use, the base plate is connected to the double-headed screw by threads, and the nut M16 is used to fix it. The support plate is connected to the base plate by screws M8, the baffle is connected to the base plate by screws M10, the base plate is connected to the push rod by threads, and the locating pin and the base plate cooperate with each other through the shaft hole and are fixed to the base plate for workpiece processing positioning; the unidirectional movable pressure plate is sleeved on the double-headed screw, the tip of the unidirectional movable pressure plate is pressed on the workpiece, and the other end is pressed on the push rod, and it is locked and compacted by gaskets and nuts M16. When processing the end cover plate, the base plate is placed on the workbench of the S-Plus10 vertical machining center and fixed. The end cover plate is first placed on the support plate, and then the baffle and the locating pin are pressed together, and finally it is compacted and fixed by two unidirectional movable pressure plates to ensure that the workpiece and the tooling will not move relative to each other. It has the advantages of good fixing effect and convenient adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the top view of the structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the cross-sectional structure of the support plate of the present utility model.

[0016] In the figure: 1. Double-headed screw; 2. Nut M16; 3. Washer; 4. One-way movable pressure plate; 5. Positioning pin; 6. Push rod; 7. Bottom plate; 8. Baffle; 9. Support plate; 10. Screw M8; 11. Screw M10. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] The utility model provides Figure 1-4 As shown, a hydraulically controlled multi-way reversing valve end cover processing tooling includes a double-headed screw 1, a nut M162, a gasket 3, a one-way movable pressure plate 4, a locating pin 5, a push rod 6, a bottom plate 7, a baffle 8, a support plate 9, a screw M810 and a screw M1011. The push rods 6 are arranged on both sides of the top of the bottom plate 7, the one-way movable pressure plate 4 is arranged on the top of the push rod 6, the gasket 3 is arranged on the top of the one-way movable pressure plate 4, the nut M162 is arranged on the top of the gasket 3, the double-headed screw 1 is connected to the inside of the nut M162 by threading, the bottom of the locating pin 5 is mounted on the left side of the center of the top of the bottom plate 7 through the shaft hole, the support plate 9 is arranged at the center of the top of the bottom plate 7, the screw M810 is arranged on the top of the support plate 9, the baffle 8 is arranged on the front of the bottom plate 7, and the screws M1011 are arranged on both sides of the front of the baffle 8;

[0019] More specifically, when in use, the base plate 7 is connected to the double-headed screw 1 by threads, and the nut M162 fixes it, the support plate 9 is connected to the base plate 7 by the screw M810, the baffle 8 is connected to the base plate 7 by the screw M1011, the base plate 7 is connected to the top rod 6 by threads, and the locating pin 5 cooperates with the base plate 7 through the axial hole and is fixed on the base plate 7 for workpiece processing positioning; the unidirectional movable pressure plate 4 is sleeved on the double-headed screw 1, the tip of the unidirectional movable pressure plate 4 is pressed on the workpiece, and the other end is pressed on the top rod 6, and is locked and compacted by the gasket 3 and the nut M162. When processing the end cover plate, the base plate 7 is placed on the workbench of the S-Plus10 vertical machining center and fixed. First, the end cover plate is placed on the support plate 9, and then the baffle 8 and the locating pin 5 are pressed together, and finally fixed by the two unidirectional movable pressure plates 4 to ensure that the workpiece and the tooling do not move relative to each other.

[0020] In some embodiments, the bottom of the push rod 6 is threadedly connected to the top of the base plate 7, and the bottom of the double-headed screw 1 passes through the bottom of the unidirectional movable pressure plate 4 and is threadedly connected to the top of the base plate 7. More specifically, the flatness is adjusted by setting the push rod 6.

[0021] In some embodiments, the bottom of the screw M810 passes through the bottom of the support plate 9 and is threadedly connected to the top of the base plate 7, and the back of the screw M1011 passes through the back of the baffle 8 and is threadedly connected to the front of the base plate 7. More specifically, by setting the screw M810, the connection between the support plate 9 and the base plate 7 is mainly fixed, so that it is stably fixed on the top of the base plate 7.

[0022] In some embodiments, the support plate 9 is carburized and quenched, and the carburized layer depth is 0.8 cm-1.2 cm, the surface hardness is 58HRC-64HRC, and the core hardness is 30HRC-45HRC. More specifically, the support plate 9 is provided to mainly support the workpiece to ensure its required hardness.

[0023] In some embodiments, the upper plane of the support plate 9 needs to be corrected after installation, and the flatness is not greater than 0.03 mm. The length of the double-headed screw 1 is 30 cm. More specifically, the double-headed screw 1 is connected to the top of the base plate 7, and the unidirectional moving pressure plate 4 is used to compact and fix the workpiece.

[0024] Working principle:

[0025] Step 1: When in use, the bottom plate 7 is connected to the stud screw 1 through threads, and the nut M162 is used to fix it. The support plate 9 is connected to the bottom plate 7 through the screw M810, the baffle 8 is connected to the bottom plate 7 through the screw M1011, the bottom plate 7 is connected to the push rod 6 through threads, and the positioning pin 5 is matched with the bottom plate 7 through the shaft hole and fixed on the bottom plate 7 for workpiece processing positioning; the one-way movable pressing plate 4 is sleeved on the stud screw 1, the tip of the one-way movable pressing plate 4 presses on the workpiece, and the other end presses on the push rod 6, and is locked and compacted through the gasket 3 and the nut M162;

[0026] Step 2: When processing the end cover plate, place the base plate 7 on the workbench of the S-Plus10 vertical machining center and fix it. First, place the end cover plate on the support plate 9, then press the baffle 8 and the positioning pin 5 firmly, and finally fix it with two unidirectional movable pressure plates 4 to ensure that the workpiece and the tooling do not move relative to each other.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A tool for processing the end cover of a hydraulically controlled multi-way reversing valve, characterized by: It comprises a double-headed screw (1), a nut M16 (2), a gasket (3), a one-way movable pressure plate (4), a positioning pin (5), a top rod (6), a bottom plate (7), a baffle (8), a support plate (9), a screw M8 (10) and a screw M10 (11), wherein the top rod (6) is arranged on both sides of the top of the bottom plate (7), the one-way movable pressure plate (4) is arranged on the top of the top rod (6), the gasket (3) is arranged on the top of the one-way movable pressure plate (4), the nut M16 (2) It is arranged on the top of the gasket (3), the double-headed screw (1) is connected to the inside of the nut M16 (2) through a thread, the bottom of the positioning pin (5) is installed on the left side of the center of the top of the base plate (7) through the shaft hole, the support plate (9) is arranged at the center of the top of the base plate (7), the screw M8 (10) is arranged on the top of the support plate (9), the baffle (8) is arranged on the front of the base plate (7), and the screws M10 (11) are both arranged on both sides of the front of the baffle (8).

2. The tooling for processing the end cover of the hydraulically controlled multi-way reversing valve according to claim 1 is characterized in that: The bottom of the push rod (6) is connected to the top of the bottom plate (7) through a threaded connection, and the bottom of the double-headed screw (1) passes through the bottom of the unidirectional movable pressure plate (4) and is connected to the top of the bottom plate (7) through a threaded connection.

3. The tooling for processing the end cover of a hydraulically controlled multi-way directional valve according to claim 1 is characterized in that: The bottom of the screw M8 (10) penetrates the bottom of the support plate (9) and is threadedly connected to the top of the bottom plate (7), and the back of the screw M10 (11) penetrates the back of the baffle (8) and is threadedly connected to the front of the bottom plate (7).

4. The tooling for processing the end cover of a hydraulically controlled multi-way directional valve according to claim 1 is characterized in that: The support plate (9) is carburized and quenched, and the carburized layer depth is 0.8 cm-1.2 cm, the surface hardness is 58HRC-64HRC, and the core hardness is 30HRC-45HRC.

5. The tooling for processing the end cover of a hydraulically controlled multi-way directional valve according to claim 1 is characterized in that: After the support plate (9) is installed, the upper plane needs to be corrected, and the flatness is not greater than 0.03 mm. The length of the double-headed screw (1) is 30 cm.

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