Clamping and fixing device for valve body machining

Abstract

The utility model provides a clamping and fixing device for valve body machining, which belongs to the technical field of valve body machining and comprises a bearing plate, a lifting groove and a sliding groove are formed in the top wall of the bearing plate, a fixing frame is fixedly connected to the bottom wall of the bearing plate, a sliding block is slidably connected to the inner wall of the sliding groove, and a clamping rod is fixedly connected to the top wall of the sliding block. The side wall of the clamping rod is further fixedly connected with a supporting rod, the end, away from the clamping rod, of the supporting rod is further fixedly connected with a clamping plate, the inner wall of the supporting rod is further slidably connected with a positioning rod, a transverse fixing part is further arranged on the inner wall of the fixing frame, and a longitudinal fixing part is further arranged on the inner wall of the fixing frame. The transverse fixing part and the longitudinal fixing part are matched, the clamping plate drives the positioning rod and the clamping jaw to be close to the valve body in the process of clamping the valve body, the positioning rod and the clamping jaw can be driven to longitudinally fix the valve body by rotating the longitudinal clamping screw rod, and the fixing effect on the valve body is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve body processing, in particular to a clamping and fixing device for valve body processing. Background Art

[0002] The definition of "valve" is a device used to control the direction, pressure and flow of fluid in a fluid system. The valve body is a major component of the valve. There are different mechanical manufacturing methods according to the pressure level. For example: casting, forging, etc. The valve body needs to be reprocessed during the production process to make it adapt to different needs.

[0003] After searching, the Chinese patent application number CN201820544405.5 discloses a clamping and fixing device for valve body processing, including a fixed seat, a water tank, a hydraulic pump, a telescopic rod, a bottom plate, a clamping block, a movable seat, an adjusting bolt, a lifting column, a support plate, a rotating rod, an anti-skid layer, a spring, a connecting hole, a slide groove, a support rod, a rubber pad and a rotating shaft. The beneficial effect of the utility model is: by arranging a hydraulic pump at the bottom of the fixed seat, a telescopic rod is arranged on the top of the hydraulic pump, and a lifting column is arranged on the top of the telescopic rod, and support plates that can be tilted and moved are installed on both sides of the lifting column. When the valve body is an internal circular ring structure, it can be sleeved on the outer wall of the lifting column. The support plate is spring-loaded to clamp the valve body through the spring, and then the clamping block is moved by the adjusting bolt so that the outer wall of the valve body is clamped. The anti-skid layer on the support plate can effectively prevent the valve body from sliding sideways, and the inner and outer walls of the valve body are fixed to enhance the stability of the device. The utility model has the characteristics of more firm fixation and convenient use;

[0004] Although the above patent can achieve simple fixation of the valve body, there are still the following shortcomings during use: when the lifting column cooperates with the clamping block to fix the valve body, there is a lack of downward fixing force on the valve body. Once the valve body slides upward, it affects the clamping effect and causes scratches on the outer surface of the valve body, affecting the quality of the product. The overall fixing effect is not ideal.

[0005] Therefore, a clamping and fixing device for valve body processing is urgently needed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to address the current problem that when the lifting column cooperates with the clamping block to fix the valve body, there is a lack of downward fixing force on the valve body. Once the valve body slides upward, it affects the clamping effect and also causes scratches on the outer surface of the valve body, affecting the quality of the product and resulting in an unsatisfactory overall fixing effect.

[0007] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0008] A clamping and fixing device for valve body processing comprises a carrying plate, the top wall of the carrying plate is provided with a lifting groove and sliding grooves symmetrically distributed about the lifting groove, the bottom wall of the carrying plate is also fixedly connected to a fixing frame symmetrically arranged about the lifting groove, the inner wall of the sliding groove is also slidably connected to a sliding block, the top wall of the sliding block is also fixedly connected to a clamping rod, the side wall of the clamping rod is also fixedly connected to a support rod, the end of the support rod away from the clamping rod is also fixedly connected to a clamping plate, the inner wall of the support rod is also slidably connected to a positioning rod, the top wall of the positioning rod is also fixedly connected to a clamping claw, the inner wall of the fixing frame is also provided with a transverse fixing component for driving the sliding block for clamping, and the inner wall of the fixing frame is also provided with a longitudinal fixing component for driving the positioning rod.

[0009] As a preferred technical solution of the present application, the two groups of fixed frames are also fixedly connected with a sliding rod symmetrically arranged about the lifting groove, the sliding rod cooperates with the longitudinal fixing component, and a connecting groove is also arranged at the end of the positioning rod away from the clamping claw, and the positioning rod cooperates with the longitudinal fixing component through the connecting groove.

[0010] As a preferred technical solution of the present application, the longitudinal fixing component includes a longitudinal clamping screw rotatably connected to the inner wall of the fixing frame, one end of the longitudinal clamping screw passes through the fixing frame and is fixedly connected to a first handle, the outer wall of the longitudinal clamping screw is also threadedly connected to a driving block symmetrically arranged about the lifting slot, both side walls of the driving block are also rotatably connected to connecting rods, the end of the connecting rod away from the driving block is also rotatably connected to the lifting frame, and both side walls of the lifting frame are fixedly connected to lifting rods, and the two groups of lifting rods are respectively slidably connected to the positioning rod through corresponding connecting grooves.

[0011] As a preferred technical solution of the present application, the transverse fixing component includes a transverse clamping screw rotatably connected to the inner wall of the fixing frame, the outer wall of the transverse clamping screw is also threadedly connected to a driving rod symmetrically arranged about the lifting groove, the driving rod is fixedly connected to the sliding block, one end of the transverse clamping screw passes through the fixing frame and is also fixedly connected to a second handle, and the side wall of the driving rod is also provided with a through groove matching the lifting rod.

[0012] As a preferred technical solution of the present application, the outer walls of the transverse clamping screw and the longitudinal clamping screw are symmetrically provided with external threads with opposite thread directions, the bottom wall of the supporting plate is also fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a supporting and fixing component, and the supporting and fixing component corresponds to the lifting groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the scheme of this application:

[0015] The camming mechanism of the valve body is a process of sliding the valve body into and out of the valve body, and the camming mechanism ... BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the overall structural schematic diagrams of the clamping and fixing device for valve body processing provided in this application;

[0017] Figure 2 The second schematic diagram of the overall structure of the clamping and fixing device for valve body processing provided in this application;

[0018] Figure 3 A schematic diagram of the planar structure of the clamping and fixing device for valve body processing provided in this application;

[0019] Figure 4 A partial structural schematic diagram of the clamping and fixing device for valve body processing provided in this application.

[0020] Indicated in the figure:

[0021] 1. Loading plate; 11. Lifting slot; 12. Sliding slot; 13. Hydraulic cylinder; 14. Supporting and fixing parts; 2. Fixed frame; 21. Sliding rod; 22. Longitudinal clamping screw; 23. First handle; 24. Driving block; 25. Connecting rod; 26. Lifting frame; 27. Lifting rod; 3. Sliding block; 31. Clamping rod; 32. Support rod; 33. Clamping plate; 34. Positioning rod; 35. Clamping claw; 36. Connecting slot; 4. Transverse clamping screw; 41. Driving rod; 42. Second handle; 43. Through slot. DETAILED DESCRIPTION

[0022] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0023] like Figure 1-4As shown, a clamping and fixing device for valve body processing proposed in this embodiment includes a carrying plate 1, a lifting groove 11 and a sliding groove 12 symmetrically distributed about the lifting groove 11 are opened on the top wall of the carrying plate 1, the bottom wall of the carrying plate 1 is also fixedly connected to a fixing frame 2 symmetrically arranged about the lifting groove 11, the inner wall of the sliding groove 12 is also slidably connected to a sliding block 3, the top wall of the sliding block 3 is also fixedly connected to a clamping rod 31, the side wall of the clamping rod 31 is also fixedly connected to a supporting rod 32, the end of the supporting rod 32 away from the clamping rod 31 is also fixedly connected to a clamping plate 33, the inner wall of the supporting rod 32 is also slidably connected to a positioning rod 34, the top wall of the positioning rod 34 is also fixedly connected to a clamping claw 35, the inner wall of the fixing frame 2 is also provided with a transverse fixing component for driving the sliding block 3 for clamping, and the inner wall of the fixing frame 2 is also provided with a longitudinal fixing component for driving the positioning rod 34, the transverse fixing component is matched with the longitudinal fixing component, the fixing effect of the valve body is greatly increased, the valve body is prevented from being offset during the processing, and the processing quality is increased.

[0024] like Figure 1-4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the two groups of fixing frames 2 are fixedly connected with sliding rods 21 symmetrically arranged about the lifting slots 11, the sliding rods 21 cooperate with the longitudinal fixing components, and the end of the positioning rod 34 away from the clamping jaws 35 is also provided with connecting grooves 36, the positioning rod 34 cooperates with the longitudinal fixing components through the connecting grooves 36, and the clamping jaws 35 are driven to realize the longitudinal fixation of the valve body through the cooperation of the setting of the connecting grooves 36 and the longitudinal fixing components.

[0025] like Figure 1-4 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the longitudinal fixing component includes a longitudinal clamping screw 22 rotatably connected to the inner wall of the fixing frame 2, one end of the longitudinal clamping screw 22 passes through the fixing frame 2 and is fixedly connected to a first turning handle 23, the outer wall of the longitudinal clamping screw 22 is also threadedly connected to a driving block 24 symmetrically arranged about the lifting slot 11, both side walls of the driving block 24 are also rotatably connected to a connecting rod 25, one end of the connecting rod 25 away from the driving block 24 is also rotatably connected to a lifting frame 26, and both side walls of the lifting frame 26 are fixedly connected There are lifting rods 27, and two groups of lifting rods 27 are respectively connected to the positioning rods 34 through corresponding connecting grooves 36 for sliding. During the movement of the sliding block 3, the positioning rods 34 are also driven to move synchronously. Then, the longitudinal clamping screw 22 is rotated by the first turning handle 23, and then the two groups of driving blocks 24 are driven to move away from each other through the external threads with opposite thread directions arranged on the outer wall, and the lifting frame 26 is pulled downward by the arranged connecting rod 25, and the two groups of positioning rods 34 are driven to slide downward by the arranged lifting rods 27, and the valve body is fixed by the arranged clamping claws 35.

[0026] like Figure 1-3As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the transverse fixing component includes a transverse clamping screw 4 rotatably connected to the inner wall of the fixing frame 2, and the outer wall of the transverse clamping screw 4 is also threadedly connected to a driving rod 41 symmetrically arranged about the lifting groove 11, and the driving rod 41 is fixedly connected to the sliding block 3. One end of the transverse clamping screw 4 passes through the fixing frame 2 and is also fixedly connected to a second turning handle 42. The side wall of the driving rod 41 is also provided with a through groove 43 that cooperates with the lifting rod 27. The transverse clamping screw 4 is driven to rotate by rotating the second turning handle 42, and then the two groups of driving rods 41 are driven to move toward each other through the external threads with opposite thread directions arranged on its outer wall, thereby driving the sliding block 3 to slide inside the sliding groove 12, and gradually contacting the valve body through the clamping rod 31, the support rod 32 and the clamping plate 33, and completing the transverse fixation of the valve body.

[0027] like Figure 1-3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the outer walls of the transverse clamping screw 4 and the longitudinal clamping screw 22 are symmetrically provided with external threads with opposite thread directions, and the bottom wall of the load-bearing plate 1 is also fixedly connected to a hydraulic cylinder 13, and the output end of the hydraulic cylinder 13 is fixedly connected to a supporting and fixing component 14, and the supporting and fixing component 14 corresponds to the lifting groove 11. It should be noted that the supporting and fixing component 14 is a prior art, and its specific structure and principle please refer to the prior art, and no further details will be given here.

[0028] Specifically, when the clamping and fixing device for valve body processing is used: the valve body is placed on the top wall of the carrier plate 1, and the transverse clamping screw 4 is driven to rotate by turning the second turning handle 42, and then the two sets of driving rods 41 are driven to move toward each other through the external threads with opposite thread directions arranged on the outer wall, thereby driving the sliding block 3 to slide inside the sliding groove 12, and gradually contacting the valve body through the clamping rod 31, the support rod 32 and the clamping plate 33, and completing the transverse fixation of the valve body. During the movement, the sliding block 3 also drives the positioning rod 34 to move synchronously, and then the longitudinal clamping screw 2 is rotated by the first turning handle 23. 2, and then the two sets of driving blocks 24 are driven to move away from each other through the external threads with opposite thread directions arranged on the outer wall, and the lifting frame 26 is pulled downward by the connecting rod 25, and the two sets of positioning rods 34 are driven to slide downward by the lifting rod 27, and the valve body is fixed by the clamping claws 35, so as to realize the longitudinal fixation of the valve body, greatly increasing the fixing effect of the valve body, avoiding the upward displacement of the valve body during the processing, and also starting the hydraulic cylinder 13, and then completing the fixing of the valve body from the inside of the valve body through the supporting fixing component 14, further increasing the overall fixing effect.

[0029] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A clamping and fixing device for valve body processing, comprising a bearing plate (1), characterized in that: The top wall of the carrying plate (1) is provided with a lifting groove (11) and sliding grooves (12) symmetrically distributed with respect to the lifting groove (11); the bottom wall of the carrying plate (1) is also fixedly connected to a fixed frame (2) symmetrically arranged with respect to the lifting groove (11); the inner wall of the sliding groove (12) is also slidably connected to a sliding block (3); the top wall of the sliding block (3) is also fixedly connected to a clamping rod (31); the side wall of the clamping rod (31) is also fixedly connected to a support rod (32); the end of the support rod (32) away from the clamping rod (31) is also fixedly connected to a clamping plate (33); the inner wall of the support rod (32) is also slidably connected to a positioning rod (34); the top wall of the positioning rod (34) is also fixedly connected to a clamping claw (35); the inner wall of the fixing frame (2) is also provided with a transverse fixing component for driving the sliding block (3) to clamp; the inner wall of the fixing frame (2) is also provided with a longitudinal fixing component for driving the positioning rod (34).

2. A clamping and fixing device for valve body processing according to claim 1, characterized in that: The two groups of fixed frames (2) are also fixedly connected with a sliding rod (21) symmetrically arranged about the lifting groove (11), and the sliding rod (21) cooperates with the longitudinal fixing component. The end of the positioning rod (34) away from the clamping claw (35) is also provided with a connecting groove (36), and the positioning rod (34) cooperates with the longitudinal fixing component through the connecting groove (36).

3. A clamping and fixing device for valve body processing according to claim 1, characterized in that: The longitudinal fixing component comprises a longitudinal clamping screw (22) rotatably connected to the inner wall of the fixing frame (2); one end of the longitudinal clamping screw (22) passes through the fixing frame (2) and is fixedly connected to a first turning handle (23); the outer wall of the longitudinal clamping screw (22) is also threadedly connected to a driving block (24) symmetrically arranged with respect to the lifting groove (11); both side walls of the driving block (24) are also rotatably connected to connecting rods (25); one end of the connecting rod (25) away from the driving block (24) is also rotatably connected to a lifting frame (26); and both side walls of the lifting frame (26) are fixedly connected to lifting rods (27); and two groups of the lifting rods (27) are respectively slidably connected to the positioning rod (34) through corresponding connecting grooves (36).

4. A clamping and fixing device for valve body processing according to claim 3, characterized in that: The transverse fixing component comprises a transverse clamping screw (4) rotatably connected to the inner wall of the fixing frame (2); the outer wall of the transverse clamping screw (4) is also threadedly connected to a driving rod (41) symmetrically arranged with respect to the lifting groove (11); the driving rod (41) is fixedly connected to the sliding block (3); one end of the transverse clamping screw (4) passes through the fixing frame (2) and is also fixedly connected to a second turning handle (42); the side wall of the driving rod (41) is also provided with a through groove (43) matching the lifting rod (27).

5. A clamping and fixing device for valve body processing according to claim 4, characterized in that: The outer walls of the transverse clamping screw (4) and the longitudinal clamping screw (22) are symmetrically provided with external threads with opposite thread directions. The bottom wall of the bearing plate (1) is also fixedly connected to a hydraulic cylinder (13). The output end of the hydraulic cylinder (13) is fixedly connected to a supporting and fixing component (14), and the supporting and fixing component (14) corresponds to the lifting groove (11).

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