Surface strengthening treatment device for valve seat

Abstract

The utility model discloses a valve seat surface strengthening treatment device which comprises a treatment box, an electric cylinder is installed on the upper surface of the treatment box, the output end of the electric cylinder is connected with a pressing disc, the outer surface of the pressing disc is connected with a plurality of long protrusions, the inner bottom wall of the treatment box is connected with a supporting rod, and the supporting rod is connected with a valve seat. A placing table is connected to the top end of the supporting rod, a guide rail is connected to the inner top wall of the treatment box, and a plurality of sliding blocks are slidably connected to the interior of the guide rail. According to the device, a driving gear is driven by a positive and negative rotation motor, the driving gear is meshed with a driven gear ring, a plurality of sliding blocks slide in a guide rail, then an annular pipe is driven to rotate, a guide pipe communicated with the outer surface of the annular pipe and a plurality of spraying heads can spray the valve seat in an omnibearing and multi-angle mode, and no matter how the shape of the valve seat is complex, the spraying effect is good. Therefore, the uniformity and the effect of strengthening treatment are improved, the overall performance of the valve seat is improved, and the service life of the valve seat is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve seat processing field especially a valve seat's surface strengthening treatment device. BACKGROUND

[0002] Valve seat is an important part in the valve, is mainly used for sealing and supporting the valve core, ensures the sealing performance of valve in full close position, and the valve seat is the device for supporting the valve core full close position, constitutes the sealing pair, ensures the sealing property of valve in the closed state, and the valve seat diameter is the maximum flow diameter of valve, such as the valve seat material quality of butterfly valve is very extensive, and all kinds of rubber, plastic, metal material can be used as valve seat material quality.

[0003] Valve seat as the key component of valve, its surface performance directly influences the sealing performance, service life and reliability of valve, in actual work, valve seat is often subjected to the scouring of medium, corrosion and frequent opening and closing friction, when the existing valve seat is not subjected to effective surface strengthening treatment, is prone to wear, corrosion and other problems, influences the normal operation of equipment, and most valve seats need to be treated by strengthening treatment device before use, however, the existing valve seat surface strengthening treatment device has many deficiencies, in the traditional valve seat surface strengthening treatment device, possibly only simple fixed spray head is used to spray, such as only several fixed position spray heads are arranged on the top of the treatment box, this makes the certain parts of valve seat possibly not be evenly sprayed to the strengthening liquid, leads to the inconsistent surface strengthening effect of valve seat, for example, due to the distance from the spray head is far or at the edge region of the spray angle of spray head, the covering amount of strengthening liquid is less, cannot reach the ideal strengthening effect, influences the overall performance and service life of valve seat, therefore, we propose a valve seat surface strengthening treatment device to solve the above problems. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a valve seat's surface strengthening treatment device to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of surface strengthening treatment device of valve seat, including processing box, the upper surface of the processing box is equipped with electric cylinder, the output end of the electric cylinder is connected with pressure disc, the outer surface of the pressure disc is connected with multiple long protrusions, the inner bottom wall of the processing box is connected with support rod, the top end of the support rod is connected with placing table, the inner top wall of the processing box is connected with guide rail, the inside of the guide rail is slidably connected with multiple sliding blocks, the bottom surface of multiple the sliding blocks is connected with annular pipe, the outer surface of the annular pipe is communicated with two pipes, the outer surface of each the pipe is equipped with multiple spray heads, the outer surface of multiple the sliding blocks is connected with driven gear ring, the outer surface of the processing box is connected with fixed frame, the inner wall of the fixed frame is connected with forward and reverse motor, the output end of the forward and reverse motor is equipped with the drive gear that is engaged with driven gear ring, the left side of the processing box is equipped with spraying assembly.

[0007] In further embodiments, the spraying assembly includes a liquid storage tank mounted to the outer surface of the processing box, the upper surface of the liquid storage tank is equipped with a pump body, the output end of the pump body is communicated with a flow guide pipe, the end of the flow guide pipe away from the pump body is communicated with the annular pipe, and the outer surface of the liquid storage tank is provided with a cover plate.

[0008] In further embodiments, the upper surface of the processing box is provided with an arc-shaped opening, and the arc-shaped opening is matched with the flow guide pipe in size.

[0009] In further embodiments, the front surface of the processing box is hingedly connected with a protective door, and the outer surface of the protective door is provided with an observation window.

[0010] In further embodiments, the bottom surface of the processing box is provided with a collection frame, the outer surface of the collection frame is provided with a square door, and the bottom surface of the processing box is provided with a plurality of leakage openings.

[0011] In further embodiments, the inner bottom wall of the processing box is connected with a flow guide ring, and the bottom surface of the processing box is connected with a plurality of hole mounting seats.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The device drives the drive gear through the forward and reverse motor, the drive gear is engaged with the driven gear ring, the sliding blocks slide in the guide rail, and the annular pipe is rotated, the pipes and the plurality of spray heads communicated with the outer surface of the annular pipe can spray the valve seat in all directions and at multiple angles, no matter how complex the shape of the valve seat is, the strengthening liquid can uniformly cover the surface of the valve seat, the uniformity and effect of the strengthening treatment are improved, and the overall performance and service life of the valve seat are improved.

[0014] The plurality of long protrusions on the outer surface of the pressing disc can firmly press the valve seat on the placing table, and the valve seat will not be displaced or tilted due to spraying impact force or other external force during the whole strengthening treatment process, so that the accuracy and stability of the strengthening treatment are ensured, and the surface treatment quality of the valve seat is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the surface strengthening treatment device for the valve seat.

[0016] Figure 2 It is a top view of the surface strengthening treatment device for the valve seat.

[0017] Figure 3 It is a front view of the surface strengthening treatment device for the valve seat.

[0018] Figure 4 It is a top view of the surface strengthening treatment device for the valve seat.

[0019] In the figure: 1, treatment box; 2, collection frame; 3, square door; 4, hole mounting seat; 5, spraying assembly; 501, liquid storage tank; 502, cover plate; 503, pump body; 6, protection door; 7, observation window; 8, supporting rod; 9, placing table; 10, leakage port; 11, electric cylinder; 12, pressing disc; 13, long protrusion; 14, guide rail; 15, sliding block; 16, driven gear ring; 17, annular pipe; 18, conduit; 19, spraying head; 20, fixing frame; 21, forward and reverse motor; 22, driving gear; 23, flow guide ring; 24, arc-shaped through port; 25, flow guide pipe. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements indicated 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. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through intermediate medium, can be the intercommunication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 In the utility model, a kind of surface strengthening treatment device of valve seat, including processing box 1, the upper surface of processing box 1 is equipped with electric cylinder 11, the output end of electric cylinder 11 is connected with pressure disc 12, the outer surface of pressure disc 12 is connected with multiple long protrusions 13, the inner bottom wall of processing box 1 is connected with support 8, the top of support 8 is connected with placing table 9, the inner top wall of processing box 1 is connected with guide rail 14, multiple sliding blocks 15 are slidably connected in the inside of guide rail 14, the bottom surface of multiple sliding blocks 15 is connected with annular tube 17, two ducts 18 are communicated on the outer surface of annular tube 17, multiple spray heads 19 are arranged on the outer surface of each duct 18, multiple sliding blocks 15 are connected with driven gear ring 16, the outer surface of processing box 1 is connected with fixed frame 20, the inner wall of fixed frame 20 is connected with reversible motor 21, the output end of reversible motor 21 is equipped with driving gear 22 meshing with driven gear ring 16, the rotating direction and speed of annular tube 17 can be flexibly adjusted by the forward and reverse control of reversible motor 21, ensure that strengthening liquid is accurately sprayed to each part of valve seat, improve the adaptability and processing precision of device to different valve seat, the design of long protrusion 13 can find suitable force point, realize stable fixation, driving gear 22 is driven by reversible motor 21, driving gear 22 and driven gear ring 16 meshing, multiple sliding blocks 15 slide in guide rail 14, in turn drive annular tube 17 to rotate, the duct 18 and multiple spray heads 19 communicated on the outer surface of annular tube 17 can be sprayed to valve seat in all directions, multiple angles, improve spraying uniformity.

[0024] The left side of the processing box 1 is provided with a spraying assembly 5, the spraying assembly 5 comprises a liquid storage tank 501 mounted on the outer surface of the processing box 1, the upper surface of the liquid storage tank 501 is provided with a pump body 503, the output end of the pump body 503 is communicated with a flow guide pipe 25, the end, away from the pump body 503, of the flow guide pipe 25 is communicated with the annular pipe 17, the outer surface of the liquid storage tank 501 is provided with a cover plate 502, the upper surface of the processing box 1 is provided with an arc-shaped opening 24, and the arc-shaped opening 24 is matched with the flow guide pipe 25 in size, when the pump body 503 is used for pumping the strengthening liquid, the strengthening liquid can enter the annular pipe 17 through the flow guide pipe 25, and when the annular pipe 17 rotates, the annular pipe 17 can drive the flow guide pipe 25 to rotate along the arc-shaped opening 24, and the plurality of pipes 18 and the plurality of spraying heads 19 can rotate by 180°, the flow guide pipe 25 adopts a screw telescopic pipe and will not affect the rotation, and the spraying head is combined with the spraying to rotate by 180° in a forward direction and then rotate by 180° in a reverse direction, so that the valve seat surface can be uniformly sprayed, the flow guide pipe 25 will not be wound, the feasibility of the device is ensured, and the cover plate 502 is convenient for adding the strengthening liquid into the liquid storage tank 501.

[0025] The front surface of the processing box 1 is hingedly connected with a protection door 6, the outer surface of the protection door 6 is provided with an observation window 7, and the observation window 7 on the protection door 6 is convenient for an operator to observe the strengthening treatment process of the valve seat in real time.

[0026] The bottom surface of the processing box 1 is provided with a collecting frame 2, the outer surface of the collecting frame 2 is provided with a square door 3, the bottom surface of the processing box 1 is provided with a plurality of leakage openings 10, the inner bottom wall of the processing box 1 is connected with a flow guide ring 23, and the bottom surface of the processing box 1 is connected with a plurality of hole mounting bases 4; the collecting frame 2, the leakage openings 10 and the flow guide ring 23 are matched with each other, the excess strengthening liquid and the residues generated in the treatment process can be collected, the square door 3 is convenient to open, the residues and the remaining strengthening liquid in the collecting frame 2 can be cleaned, the flow guide ring 23 guides the strengthening liquid and the residues to flow to the leakage openings 10, so that the strengthening liquid and the residues are prevented from accumulating at the bottom of the processing box 1, and the difficulty and the time of cleaning are reduced.

[0027] The working principle of the utility model is:

[0028] When the device is used to treat the valve seat surface, the valve seat is placed on the placing table 9, the pressing disc 12 and the long protrusion 13 are pushed to move downwards by the operation of the electric cylinder 11, so that the valve seat on the placing table 9 is pressed and fixed, then the surface treatment corrosion-resistant strengthening liquid is added into the liquid storage tank 501, the pump body 503 is used to extract and spray through the flow guide pipe 25, the annular pipe 17, the guide pipe 18 and the spray head 19, at the same time, the forward and reverse motor 21 is started to rotate with the driving gear 22, so that the driven gear ring 16 and the sliding block 15 rotate in the guide rail 14 under the meshing effect, and when the sliding block 15 rotates, the annular pipe 17 can rotate with the sliding block 15, so that the plurality of guide pipes 18 and the spray head 19 can rotate to spray the valve seat surface, the valve seat can be sprayed in all directions, and no matter how complex the shape of the valve seat is, the strengthening liquid can uniformly cover the valve seat surface, and the uniformity of the strengthening treatment is improved.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they relate.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A surface strengthening treatment device for a valve seat, characterized in that: The system includes a processing box (1), on the upper surface of which is mounted an electric cylinder (11). The output end of the electric cylinder (11) is connected to a pressure plate (12). The outer surface of the pressure plate (12) is connected to multiple long protrusions (13). The inner bottom wall of the processing box (1) is connected to a support rod (8). The top end of the support rod (8) is connected to a placement platform (9). The inner top wall of the processing box (1) is connected to a guide rail (14). Multiple sliding blocks (15) are slidably connected inside the guide rail (14). The bottom surfaces of the multiple sliding blocks (15) are connected to a common annular tube. 17) The outer surface of the annular tube (17) is connected to two conduits (18), and the outer surface of each conduit (18) is provided with multiple spray heads (19). The outer surfaces of multiple sliding blocks (15) are connected to a driven gear ring (16). The outer surface of the treatment box (1) is connected to a fixing frame (20). The inner wall of the fixing frame (20) is connected to a forward and reverse motor (21). The output end of the forward and reverse motor (21) is equipped with a drive gear (22) that meshes with the driven gear ring (16). The left side of the treatment box (1) is equipped with a spraying assembly (5).

2. The surface strengthening treatment device for a valve seat according to claim 1, characterized in that: The spraying assembly (5) includes a liquid storage tank (501) installed on the outer surface of the treatment box (1). A pump body (503) is installed on the upper surface of the liquid storage tank (501). The output end of the pump body (503) is connected to a guide pipe (25). The end of the guide pipe (25) away from the pump body (503) is connected to an annular pipe (17). A cover plate (502) is provided on the outer surface of the liquid storage tank (501).

3. The surface strengthening treatment device for a valve seat according to claim 2, characterized in that: The upper surface of the processing box (1) is provided with an arc-shaped opening (24), and the arc-shaped opening (24) is adapted to the size of the guide pipe (25).

4. The surface strengthening treatment device for a valve seat according to claim 1, characterized in that: The processing box (1) is hinged to a protective door (6) on the front, and an observation window (7) is provided on the outer surface of the protective door (6).

5. The surface strengthening treatment device for a valve seat according to claim 1, characterized in that: The bottom surface of the processing box (1) is provided with a collection frame (2), the outer surface of the collection frame (2) is provided with a square door (3), and the bottom surface of the processing box (1) is provided with multiple drain holes (10).

6. The surface strengthening treatment device for a valve seat according to claim 1, characterized in that: The inner bottom wall of the processing box (1) is connected to a flow guide ring (23), and the bottom surface of the processing box (1) is connected to a plurality of perforated mounting bases (4).

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