Hydraulic piston rod machining clamp
By designing limit, clamping and adjustment mechanisms, the problem that existing hydraulic piston rod machining fixtures cannot adapt to different sizes is solved, and stable clamping and machining efficiency improvement of piston rods of different diameters is achieved.
Patent Information
- Application Number
- CN202421717566.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-07-19
AI Technical Summary
Existing hydraulic piston rod machining fixtures cannot adapt to piston rods of different sizes, resulting in less applicability to use.
A hydraulic piston rod processing fixture including a limiting mechanism, a clamping mechanism, an adjustment mechanism and a support mechanism is designed. Adjustable clamping of piston rods of different diameters is achieved through the adjustment mechanism and a clamping mechanism, and stability is provided by the limiting mechanism and a support mechanism.
The stable clamping of hydraulic piston rods of different diameters is achieved, and the suitability and processing efficiency of the clamp are improved.
Smart Images

Figure CN223265470U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of piston rod processing, in particular to a hydraulic piston rod processing fixture. Background Art
[0002] A hydraulic piston rod machining fixture is a tool specifically designed to secure and support the piston rod during machining, ensuring precision and efficiency. The design of this fixture typically requires consideration of the piston rod's size, shape, and machining requirements. A basic hydraulic piston rod machining fixture typically consists of a clamping mechanism and a support structure. The clamping mechanism ensures the piston rod's stability during machining, with common clamping methods including manual, hydraulic, or pneumatic. The support structure provides additional stability to prevent vibration or bending during machining.
[0003] Publication number CN217942620U discloses a positioning fixture for metal piston rod processing, which relates to the technical field of piston rod processing, including: a plug rod body, the outer surface of the plug rod body is provided with a clamping mechanism, the clamping mechanism includes an upper clamping shell provided on the outer surface of the plug rod body, one side of the upper clamping shell is fixedly connected to a top plate, the outer surface of the top plate is provided with a slide, one side of the top plate is fixedly connected to a lifting rod, and the outer surface of the plug rod body is provided with a lower clamping shell. This utility model, by providing a clamping mechanism, the top plate is fixed to the bottom plate by a fixing rod, so that the upper clamping shell and the lower clamping shell clamp and fix the plug rod body, so that the plug rod body has good stable positioning characteristics on the clamping mechanism, and the device has the characteristics of being easy to operate when operating, so that the phenomenon of unstable positioning of the plug rod body during processing is reduced, the workload of the staff is reduced, and the efficiency of the plug rod body processing is improved. However, the existing technology still has disadvantages:
[0004] The existing technology clamps and fixes the plug rod body by an upper clamping shell and a lower clamping shell. Although this can make the plug rod body have good stable positioning characteristics on the clamping mechanism, the upper and lower clamping shells of the existing device are fixed in size and cannot clamp and position hydraulic piston rods of different sizes, resulting in low applicability during use. Utility Model Content
[0005] The technical problem to be solved by the utility model is to overcome the above-mentioned defects and provide a hydraulic piston rod processing fixture.
[0006] In order to solve the above technical problems, the technical solution provided by the present invention is: a hydraulic piston rod processing fixture, comprising:
[0007] A bottom plate, with vertical plates fixedly connected to both sides of the upper end of the bottom plate;
[0008] A limiting mechanism is provided at the upper end of the vertical plate, and comprises a fixed plate, a limiting groove, a limiting ring and a support ring. The fixed plate is fixedly connected to the upper end of the vertical plate, the limiting groove is provided in the middle of the front end of the fixed plate, the limiting ring is inserted into the limiting groove, and the two support rings are respectively fixedly connected to the sides of the two limiting rings close to each other;
[0009] A clamping mechanism, the clamping mechanism being arranged on a side where the vertical plates are close to each other;
[0010] An adjusting mechanism, the adjusting mechanism being arranged at the upper end of the clamping mechanism;
[0011] The supporting mechanism is arranged at the lower end of the base plate.
[0012] As an improvement, the clamping mechanism includes:
[0013] The three fixing frames are rotatably connected to the sides of the support ring that are close to each other, and the three fixing frames are distributed in a ring shape;
[0014] Support rods, wherein the three support rods are respectively inserted into the interior of the fixed frame, and the ends of the support rods that are away from each other are rotatably connected to the sides of the fixed plates that are close to each other;
[0015] Connecting blocks, wherein three connecting blocks are fixedly connected to the sides of the two limiting rings close to each other, and the connecting blocks and the fixing frame are staggered with each other;
[0016] Support wheels, the three support wheels are rotatably connected to the sides of the three support rods that are close to each other.
[0017] As an improvement, the adjustment mechanism includes:
[0018] A connecting plate, the connecting plate being fixedly connected to one side of the upper end of the support ring;
[0019] An adjusting block, the adjusting block being rotatably connected to one side of the connecting plates that are close to each other;
[0020] A threaded hole 1 is provided in the middle of one side of the adjustment block and passes through the adjustment block;
[0021] A screw rod, the screw rod being threadedly connected to the interior of the adjustment block through a threaded hole;
[0022] A drive box, the drive box being rotatably connected to one end of the lead screw;
[0023] A fixed block is fixedly connected to the outside of the drive box, and the fixed block is fixedly connected to one side of the two support rings that are close to each other.
[0024] As an improvement, the support mechanism includes:
[0025] Sockets are provided at the front and rear portions of both sides of the upper end of the bottom plate and pass through the bottom plate;
[0026] A bolt, the bolt being inserted into the socket;
[0027] Support blocks are provided at the front and rear portions of both sides of the lower end of the bottom plate;
[0028] The second threaded hole is provided in the middle of the upper end of the support block, the second threaded hole passes through the support block, and the support block is threadedly connected to the lower end of the outer side of the bolt through the second threaded hole.
[0029] As an improvement, one end of the screw rod away from the drive box is fixedly connected to a limit plate.
[0030] As an improvement, a protective shell is fixedly connected to the outer side of the vertical plate and the fixed disk.
[0031] The advantages of the present invention compared with the prior art are: the present invention clamps and fixes hydraulic piston rods of different diameters by installing an adjustable mechanism of a clamping mechanism, drives the screw rod to rotate through a driving box, drives the adjustment block to slide on the outside of the screw rod under the restriction of the connecting plate and the limiting mechanism, drives the support ring to rotate under the restriction of the limiting mechanism through the connection of the connecting plate, drives the three fixed frames to move in a circular manner through the support ring, and the support rod rotates under the support of the fixed frame to clamp and fix the hydraulic piston rod placed on the side close to each other of the support rod, and can clamp hydraulic piston rods of different diameters by controlling the driving box, which has higher applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 It is a three-dimensional diagram of the present utility model.
[0033] Figure 2 It is a half-section view of the present utility model.
[0034] Figure 3 It is a half-section view of the fixed disk of the present utility model.
[0035] Figure 4 It is a schematic diagram of the limiting mechanism of the utility model.
[0036] Figure 5 It is a schematic diagram of the adjustment mechanism of the present utility model.
[0037] Figure 6 It is a schematic diagram of the clamping mechanism of the present utility model.
[0038] Figure 7 It is a schematic diagram of the support mechanism of the present utility model.
[0039] As shown in the figure: 1. Base plate; 11. Vertical plate; 2. Limiting mechanism; 21. Fixed plate; 22. Limiting groove; 23. Limiting ring; 24. Support ring; 3. Clamping mechanism; 31. Fixed frame; 32. Support rod; 33. Connecting block; 34. Support wheel; 4. Adjusting mechanism; 41. Connecting plate; 42. Adjusting block; 43. Threaded hole 1; 44. Screw; 45. Drive box; 46. Fixed block; 5. Support mechanism; 51. Jack; 52. Bolt; 53. Support block; 54. Threaded hole 2; 6. Limiting plate; 7. Protective shell. DETAILED DESCRIPTION
[0040] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
[0041] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of 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.
[0042] Example 1:
[0043] like Figures 1 to 7 As shown, this embodiment proposes a hydraulic piston rod processing fixture, including a base plate 1, a vertical plate 11, a limiting mechanism 2, a clamping mechanism 3, an adjusting mechanism 4 and a supporting mechanism 5. The vertical plates 11 are fixedly connected on both sides of the upper end of the base plate 1, and the limiting mechanism 2 is installed on the upper end of the vertical plate 11. The limiting mechanism 2 includes a fixed plate 21, a limiting groove 22, a limiting ring 23 and a supporting ring 24. A fixed plate 21 for supporting the clamping mechanism 3 is fixedly connected to the upper ends of the two vertical plates 11. A through-hole is provided in the middle of the front end of the fixed plate 21. A limiting groove 22 is used to install a limiting ring 23, and a limiting ring 23 for keeping the support ring 24 stable during rotation is inserted inside the limiting groove 22. The two support rings 24 are fixedly connected to the side where the two limiting rings 23 are close to each other. A clamping mechanism 3 for clamping the hydraulic piston rod is installed on the side where the two support rings 24 are close to each other. An adjusting mechanism 4 for controlling the clamping mechanism 3 is installed on the upper end of the side where the two support rings 24 are close to each other. A supporting mechanism 5 for supporting and fixing the whole is installed at the lower end of the base plate 1.
[0044] The clamping mechanism 3 includes a fixed frame 31, a support rod 32, a connecting block 33 and a support wheel 34. Three connecting blocks 33 distributed in an annular shape are fixedly connected on the side where the two support rings 24 are close to each other. Three fixed frames 31 distributed in an annular shape for connecting the support rods 32 are rotatably connected on the side where the two support rings 24 are close to each other. The fixed frame 31 and the connecting block 33 are staggered with each other. Three support rods 32 distributed in an annular shape are rotatably connected on the side where the two vertical plates 11 are close to each other. The support rods 32 are inserted into the inside of the fixed frame 31. A support wheel 34 for supporting the hydraulic piston rod is rotatably connected on the side where the three support rods 32 are close to each other.
[0045] The adjusting mechanism 4 includes a connecting plate 41, an adjusting block 42, a threaded hole 43, a screw rod 44, a driving box 45 and a fixing block 46. The connecting plate 41 for connecting the support ring 24 is fixedly connected to one side of the upper end of the support ring 24, and the adjusting block 42 for driving the support ring 24 to rotate is rotatably connected to the side where the two connecting plates 41 are close to each other. A threaded hole 43 for driving the support ring 24 to rotate is provided on one side of the adjusting block 42, which passes through the adjusting block 42. The screw rod 44 for driving the support ring 24 to rotate is connected to the inner thread of the threaded hole 43. A driving box 45 for driving the screw rod 44 to rotate is fixedly connected to one side of the screw rod 44. A fixing block 46 for fixing the driving box 45 is fixedly connected to the outside of the driving box 45. The fixing block 46 is fixedly connected to the upper end of the side where the vertical plates 11 are close to each other.
[0046] The supporting mechanism 5 includes a socket 51, a bolt 52, a support block 53 and a second threaded hole 54. Sockets 51 for installing the bolts 52 are provided on the front and rear parts of both sides of the upper end of the base plate 1, and are inserted into the inside of the socket 51. Bolts 52 for fixing the whole are inserted into the inside of the socket 51. Support blocks 53 for fixing the whole are installed on the front and rear parts of both sides of the lower end of the base plate 1. The support block 53 is a T-shaped block commonly used in machine tools. A second threaded hole 54 for fixing the whole is provided on the middle part of the upper end of the support block 53 and is provided through the support block 53. The support block 53 is threadedly connected to the lower end of the outer side of the bolt 52 through the second threaded hole 54.
[0047] Example 2:
[0048] The solution in Example 1 is further introduced below in conjunction with a specific working method, as described below:
[0049] A limit plate 6 for limiting the adjustment block 42 is fixedly connected to the side of the screw rod 44 away from the drive box 45 , and a protective shell 7 for protecting internal components is fixedly connected to the outside of the vertical plate 11 and the fixed plate 21 .
[0050] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of this disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.
[0051] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hydraulic piston rod processing fixture, characterized in that: include: A bottom plate (1), with vertical plates (11) fixedly connected to both sides of the upper end of the bottom plate (1); A limiting mechanism (2), the limiting mechanism (2) is arranged at the upper end of the vertical plate (11), the limiting mechanism (2) comprises a fixed plate (21), a limiting groove (22), a limiting ring (23) and a supporting ring (24), the fixed plate (21) is fixedly connected to the upper end of the vertical plate (11), the limiting groove (22) is opened in the middle of the front end of the fixed plate (21), the limiting ring (23) is inserted into the limiting groove (22), and the two supporting rings (24) are respectively fixedly connected to the sides of the two limiting rings (23) that are close to each other; A clamping mechanism (3), the clamping mechanism (3) being arranged on a side of the vertical plates (11) close to each other; An adjusting mechanism (4), wherein the adjusting mechanism (4) is arranged at the upper end of the clamping mechanism (3); A supporting mechanism (5), wherein the supporting mechanism (5) is arranged at the lower end of the base plate (1).
2. A hydraulic piston rod processing fixture according to claim 1, characterized in that: The clamping mechanism (3) comprises: A fixed frame (31), wherein the three fixed frames (31) are respectively rotatably connected to the side of the support ring (24) close to each other, and the three fixed frames (31) are distributed in a ring shape; Support rods (32), wherein the three support rods (32) are respectively inserted into the interior of the fixed frame (31), and the ends of the support rods (32) that are away from each other are rotatably connected to the sides of the fixed plate (21) that are close to each other; Connecting blocks (33), wherein three connecting blocks (33) are fixedly connected to the sides of the two limiting rings (23) close to each other, and the connecting blocks (33) and the fixing frames (31) are interlaced with each other; Support wheels (34), wherein the three support wheels (34) are rotatably connected to the sides of the three support rods (32) that are close to each other.
3. The hydraulic piston rod processing fixture according to claim 1, characterized in that: The regulating mechanism (4) comprises: A connecting plate (41), wherein the connecting plate (41) is fixedly connected to one side of the upper end of the support ring (24); an adjusting block (42), the adjusting block (42) being rotatably connected to a side of the connecting plate (41) that is close to each other; A threaded hole (43), the threaded hole (43) is opened in the middle of one side of the adjustment block (42), and the threaded hole (43) passes through the adjustment block (42); A screw rod (44), wherein the screw rod (44) is threadedly connected to the interior of the adjustment block (42) through a threaded hole (43); A drive box (45), wherein the drive box (45) is fixedly connected to one end of the screw rod (44); A fixed block (46) is fixedly connected to the outside of the driving box (45), and the fixed block (46) is rotatably connected to a side where the two support rings (24) are close to each other.
4. The hydraulic piston rod processing fixture according to claim 1, characterized in that: The supporting mechanism (5) comprises: A socket (51), the socket (51) being provided at the front and rear portions of both sides of the upper end of the bottom plate (1), and the socket (51) passing through the bottom plate (1); A bolt (52), wherein the bolt (52) is inserted into the insertion hole (51); Support blocks (53), the support blocks (53) being arranged at the front and rear portions of both sides of the lower end of the bottom plate (1); The second threaded hole (54) is provided in the middle of the upper end of the support block (53), the second threaded hole (54) passes through the support block (53), and the support block (53) is threadedly connected to the lower end of the outer side of the bolt (52) through the second threaded hole (54).
5. The hydraulic piston rod processing fixture according to claim 3, characterized in that: One end of the screw rod (44) away from the driving box (45) is fixedly connected to the limit plate (6).
6. The hydraulic piston rod processing fixture according to claim 1, characterized in that: A protective shell (7) is fixedly connected to the outer sides of the vertical plate (11) and the fixed disk (21).
Citation Information
Patent Citations
Positioning clamp for metal piston rod machining
CN217942620U