Clamping mechanism for piston rod tapping machine

Abstract

The utility model discloses a clamping mechanism for a piston rod tapping machine, and relates to the field of piston rod tapping. According to the clamping mechanism for the piston rod tapping machine, due to the fact that the clamping limiting supporting base comprises the slotting installation bottom plate, the hydraulic push rod, the hydraulic controller, the piston push rod, the sliding block, the supporting stand column and the concave base plate, when the clamping mechanism is used, the tail end of a piston rod of the clamping mechanism can be supported; the piston rod centering clamping assembly comprises a hollow connecting base, a U-shaped middle supporting rod, a side driving base, a driver, a limiting sliding plate, a double-thread driving rod, an internal thread semi-arc sliding clamp and an anti-skid pad; during use, the pre-supporting work of the piston rod can be completed firstly, so that the feeding work of the piston rod is facilitated, the synchronous centering clamping work can be completed, and the situation of clamping dislocation is avoided while the stability is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a piston rod tapping field especially relates to a clamping mechanism for piston rod tapping machine. BACKGROUND

[0002] Piston rod is the connecting part of supporting piston work, most of which is applied in the motion execution part of oil cylinder and air cylinder, and needs to be tapped during use, which is convenient for the connection and fixation of piston rod with other parts. In order to improve the tapping efficiency, clamping mechanism is needed for clamping work.

[0003] The existing clamping mechanism for piston rod tapping machine has certain disadvantages in use. The existing clamping mechanism for piston rod tapping machine cannot support the tail end of the piston rod during use, and the thrust generated during tapping will cause the tapping position of the piston rod to change, affecting the tapping accuracy. At the same time, the existing piston rod is clamped on one side during clamping, which affects the clamping centerness and clamping stability.

[0004] Therefore, it is necessary to provide a clamping mechanism for piston rod tapping machine to solve the above problems. SUMMARY

[0005] The main purpose of the utility model is to provide a clamping mechanism for piston rod tapping machine, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A clamping mechanism for piston rod tapping machine, comprising a clamping limit support base, a piston rod center clamping assembly is arranged at the upper middle part of the clamping limit support base, the clamping limit support base comprises a slotted mounting bottom plate, a hydraulic push rod, a hydraulic controller, a piston push rod, a sliding block, a support column and a concave backing plate, the piston rod center clamping assembly comprises a hollow connecting base, a U-shaped middle support rod, a side drive base, a transmission, a limit sliding plate, a double-thread drive rod, an internally threaded semi-arc sliding clamp and a non-slip pad.

[0008] Preferably, the upper end of the slotted mounting bottom plate is provided with a hydraulic push rod and a sliding block, the sliding block is located on one side of the hydraulic push rod, the upper end of the hydraulic push rod is provided with a hydraulic controller, the middle part of the hydraulic push rod is provided with a piston push rod, the upper end of the sliding block is provided with a support column, and the middle part of one side of the support column is provided with a concave backing plate.

[0009] Preferably, the upper end middle part of the slotted mounting bottom plate is fixedly connected with the lower end outer surface of the hydraulic push rod, the upper end middle part of the slotted mounting bottom plate is movably connected with the outer surfaces of the two ends of the sliding block, the outer surface of the upper end of the hydraulic push rod is fixedly connected with the outer surface of the lower end of the hydraulic controller, and the middle part of the hydraulic push rod is movably connected with the outer wall of the piston push rod.

[0010] Preferably, the outer surface of one end of the piston push rod is detachably connected with the middle part of the sliding block, the outer surface of the upper end of the sliding block is fixedly connected with the outer surface of the lower end of the supporting column, and the middle part of one side of the supporting column is fixedly connected with the outer surface of the four around of the recessed base plate.

[0011] Preferably, the middle part of the hollow connecting base is provided with a U-shaped middle support rod, the outer surfaces of the two sides of the hollow connecting base are provided with side driving bases, the outer surface of the upper end of the side driving base is provided with a limiting sliding plate, the outer surfaces of the front ends of the side driving base and the limiting sliding plate are provided with transmission devices, the middle parts of the two ends of the limiting sliding plate are provided with double-threaded driving rods, the outer wall of the double-threaded driving rod is provided with an internally-threaded semi-arc sliding clamp, and the upper end middle parts of the internally-threaded semi-arc sliding clamp and the U-shaped middle support rod are provided with anti-skid pads.

[0012] Preferably, the middle part of the hollow connecting base is detachably connected with the outer surface of the four around of the U-shaped middle support rod, the outer surfaces of the two sides of the hollow connecting base are fixedly connected with the middle part of one side of the side driving base, and the outer surface of the upper end of the side driving base is fixedly connected with the outer surface of the lower end of the limiting sliding plate.

[0013] Preferably, the outer surfaces of the front ends of the side driving base and the limiting sliding plate are detachably connected with the outer surface of the rear end of the transmission device, the middle parts of the two ends of the limiting sliding plate are movably connected with the outer surfaces of the two ends of the double-threaded driving rod, the outer wall of the double-threaded driving rod is movably connected with the middle part of the internally-threaded semi-arc sliding clamp, and the upper end middle parts of the internally-threaded semi-arc sliding clamp and the U-shaped middle support rod are fixedly connected with the outer surface of the lower end of the anti-skid pad.

[0014] Preferably, the upper end middle part of the clamping limiting support base is detachably connected with the outer surface of the lower end of the piston rod central clamping assembly.

[0015] Beneficial effects

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] Compared with the prior art, the utility model has the following beneficial effects:1. The clamping mechanism of the piston rod tapping machine, through the setting of the clamping limiting support base including the slotted installation bottom plate, the hydraulic push rod, the hydraulic controller, the piston push rod, the sliding block, the support column and the concave backing plate, the tail end of the piston rod can be supported during use, avoiding the change of the tapping position of the piston rod caused by the tapping force, thereby improving the tapping accuracy.

[0018] 2. The clamping mechanism of the piston rod tapping machine, through the setting of the piston rod center clamping assembly including the hollow connection base, the U-shaped middle support rod, the side drive base, the transmission, the limiting sliding plate, the double-thread drive rod, the internal thread semi-arc sliding clamp and the anti-skid pad, the pre-supporting work of the piston rod can be completed during use, facilitating the clamping work of the piston rod, and the synchronous center clamping work can be completed during clamping, ensuring the clamping stability and avoiding the clamping misalignment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the clamping mechanism of the piston rod tapping machine.

[0020] Figure 2 It is a clamping mechanism of the piston rod tapping machine. Figure 1 It is a structure schematic view of the clamping limiting support base 1.

[0021] Figure 3 It is a clamping mechanism of the piston rod tapping machine. Figure 1 It is a structure schematic view of the piston rod center clamping assembly.

[0022] In the figure: 1, clamping limiting support base; 2, piston rod center clamping assembly; 101, slotted installation bottom plate; 102, hydraulic push rod; 103, hydraulic controller; 104, piston push rod; 105, sliding block; 106, support column; 107, concave backing plate; 201, hollow connection base; 202, U-shaped middle support rod; 203, side drive base; 204, transmission; 205, limiting sliding plate; 206, double-thread drive rod; 207, internal thread semi-arc sliding clamp; 208, anti-skid pad. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] For example, Figures 1-3The utility model provides a kind of clamping mechanism of piston rod tapping machine, including clamping limit support base 1, the upper end middle part of clamping limit support base 1 is provided with piston rod center clamping assembly 2, clamping limit support base 1 includes fluted mounting bottom plate 101, hydraulic push rod 102, hydraulic controller 103, piston push rod 104, sliding block 105, support column 106 and recessed backing plate 107, piston rod center clamping assembly 2 includes hollow connection base 201, U-shaped middle support rod 202, side drive base 203, transmission 204, limit sliding plate 205, double thread drive rod 206, internally threaded half-arc sliding clamp 207 and antiskid pad 208.

[0025] It should be noted that the utility model provides a kind of clamping mechanism of piston rod tapping machine, by the clamping limit support base 1 including fluted mounting bottom plate 101, hydraulic push rod 102, hydraulic controller 103, piston push rod 104, sliding block 105, support column 106 and recessed backing plate 107 is set, first by the piston rod center clamping assembly 2 to the clamping work of a piston rod in use, after clamping, by hydraulic controller 103 drive hydraulic push rod 102 controls its inside hydraulic push rod 102 to recycle, hydraulic push rod 102 pushes sliding block 105 and adjusts the use position of the support column 106 and recessed backing plate 107 on its top, after adjustment, by the recessed backing plate 107 in the middle of support column 106 to carry out clamping work, in use, the tail end of its piston rod can be supported, avoid the change of piston rod tapping position caused by tapping force to improve tapping accuracy, by the piston rod center clamping assembly 2 including hollow connection base 201, U-shaped middle support rod 202, side drive base 203, transmission 204, limit sliding plate 205, double thread drive rod 206, internally threaded half-arc sliding clamp 207 and antiskid pad 208 is set, first by the U-shaped middle support rod 202 in the middle of hollow connection base 201 to the clamping support work of piston rod needing tapping in use, after support work, by transmission 204 of side drive base 203 to the double thread drive rod 206 inside limit sliding plate 205 work, after rotation, the middle part of internally threaded half-arc sliding clamp 207 is engaged with double thread drive rod 206, so that the two groups of internally threaded half-arc sliding clamp 207 on double thread drive rod 206 are moved to the middle part synchronously, after moving, the center clamping work to the outer wall of piston rod is completed, increase antiskid pad 208 between its clamping to improve the antiskid property of contact surface to avoid clamping shaking, in use, first, the pre-support work of piston rod can be completed, facilitate the clamping work of piston rod, and synchronous center clamping work can be completed when clamping, ensure the stability of clamping while avoiding clamping misplacement.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A clamping mechanism for a piston rod tapping machine, comprising a clamping and limiting support base (1), characterized in that: The upper middle part of the clamping and limiting support base (1) is provided with a piston rod center clamping assembly (2). The clamping and limiting support base (1) includes a slotted mounting base plate (101), a hydraulic push rod (102), a hydraulic controller (103), a piston push rod (104), a sliding block (105), a support column (106), and a concave pad (107). The piston rod center clamping assembly (2) includes a hollow connecting base (201), a U-shaped central support rod (202), a side drive base (203), a transmission device (204), a limiting sliding plate (205), a double thread drive rod (206), an internal thread semi-arc sliding clamp (207), and an anti-slip pad (208).

2. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: A hydraulic push rod (102) and a sliding block (105) are provided at the upper middle part of the slotted mounting base plate (101). The sliding block (105) is located on one side of the hydraulic push rod (102). A hydraulic controller (103) is provided on the upper outer surface of the hydraulic push rod (102). A piston push rod (104) is provided in the middle of the hydraulic push rod (102). A support column (106) is provided on the upper outer surface of the sliding block (105). A concave pad (107) is provided in the middle of one side of the support column (106).

3. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: The upper middle part of the slotted mounting base plate (101) is fixedly connected to the lower outer surface of the hydraulic push rod (102), the upper middle part of the slotted mounting base plate (101) is movably connected to the outer surfaces of both ends of the sliding block (105), the upper outer surface of the hydraulic push rod (102) is fixedly connected to the lower outer surface of the hydraulic controller (103), and the middle part of the hydraulic push rod (102) is movably connected to the outer wall of the piston push rod (104).

4. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: One end of the piston push rod (104) is detachably connected to the middle of the sliding block (105), the upper end of the sliding block (105) is fixedly connected to the lower end of the supporting column (106), and the middle of one side of the supporting column (106) is fixedly connected to the outer surface of the concave pad (107).

5. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: The hollow connecting base (201) is provided with a U-shaped central support rod (202) in the middle. The hollow connecting base (201) is provided with side drive bases (203) on both outer surfaces. The upper outer surface of the side drive base (203) is provided with a limiting sliding plate (205). The front outer surfaces of the side drive base (203) and the limiting sliding plate (205) are provided with a transmission device (204). The middle of both ends of the limiting sliding plate (205) is provided with a double thread drive rod (206). The outer wall of the double thread drive rod (206) is provided with an internal thread semi-arc sliding clamp (207). The upper middle of the internal thread semi-arc sliding clamp (207) and the U-shaped central support rod (202) are provided with anti-slip pads (208).

6. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: The central part of the hollow connecting base (201) is detachably connected to the outer surface of the U-shaped central support rod (202). The outer surfaces of both sides of the hollow connecting base (201) are fixedly connected to the central part of one side of the side drive base (203). The outer surface of the upper end of the side drive base (203) is fixedly connected to the outer surface of the lower end of the limiting sliding plate (205).

7. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: The front outer surfaces of the side drive base (203) and the limiting sliding plate (205) are detachably connected to the rear outer surface of the transmission (204). The middle of both ends of the limiting sliding plate (205) are movably connected to the outer surfaces of both ends of the double thread drive rod (206). The outer wall of the double thread drive rod (206) is movably connected to the middle of the internal thread semi-arc sliding clamp (207). The middle of the upper end of the internal thread semi-arc sliding clamp (207) and the U-shaped middle support rod (202) are fixedly connected to the lower outer surface of the anti-slip pad (208).

8. The clamping mechanism for a piston rod tapping machine according to claim 1, characterized in that: The upper middle part of the clamping and limiting support base (1) is detachably connected to the lower outer surface of the piston rod center clamping assembly (2).

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