Lathe positioning device for piston rod machining

Abstract

The utility model discloses a lathe positioning device for processing a piston rod, which comprises a main shaft channel, one end of the main shaft channel is fixedly provided with a positioning flange through a locking screw, one end of the positioning flange far away from the main shaft channel is coaxially and fixedly connected with a locking nut, and the locking nut is sleeved with a positioning screw rod through a thread structure. One end of the positioning screw is connected with a positioning column through a threaded structure, the positioning column is slidably sleeved with the main shaft channel, the two sides of the positioning column are sleeved with second sealing rings respectively, the other end of the positioning screw is coaxially and fixedly connected with a connector, and the connector is connected with a sealing bolt through a threaded structure. The manufacturing cost is low, the adjustability is high, and the size, length and the like of parts can be adjusted according to the sizes of different types of lathes; the adjusting range is large, and different working conditions can be adapted; the operation is simple, and the positioning position can be easily adjusted only by loosening the locking nut and rotating the positioning screw rod; the positioning precision is high, and after the locking nut is locked, the locking nut is not prone to loosening even in the high-speed rotating process.

Description

TECHNICAL FIELD

[0001] The utility model relates to piston rod processing technical field, concretely is a lathe positioning device for piston rod processing. BACKGROUND

[0002] The piston rod is used for connecting the piston and the transmission rod, and is mostly applied in the motion execution component of the oil cylinder and the air cylinder, and is a motion component with frequent motion and high technical requirement.

[0003] The existing piston rod needs to process the outer circle of the piston rod when processing, and the processing of the outer circle diameter needs to be segmented, and the commonly used processing positioning method is to control through the program after each end of a processing tool, and to repeatedly position to the same point each time, and then to stick the workpiece to the target tool, so as to achieve the purpose of positioning. This positioning method is prone to cause the blade to be tipped and broken during the workpiece holding process, the tool to move, low positioning accuracy, long positioning time and low efficiency. Therefore, the utility model provides a lathe positioning device for piston rod processing for solving the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lathe positioning device for piston rod processing to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a lathe positioning device for piston rod processing, including spindle channel, one end of the spindle channel is fixedly installed with the positioning flange through the locking screw, the end away from the spindle channel of the positioning flange is coaxially rotatably connected with the locking nut, the locking nut is connected with the positioning screw through the thread structure, one end of the positioning screw is connected with the positioning column through the thread structure, the positioning column is slidably sleeved in the spindle channel, the both sides of the positioning column are respectively sleeved with the sealing ring two, the other end of the positioning screw is coaxially fixedly connected with the connector, and the connector is connected with the sealing bolt through the thread structure.

[0006] Preferably, one end of the positioning column is concave with the thread groove, one end of the positioning screw is coaxially fixedly connected with the thread joint, and the thread joint is threadedly matched with the thread groove.

[0007] Preferably, the outer diameter of the positioning screw is less than the inner diameter of the spindle channel.

[0008] Preferably, the inside of the positioning screw is hollowly provided with the main flow channel, one end of the main flow channel is in communication with the connector, and the aperture of the main flow channel is less than the inner diameter of the connector.

[0009] Preferably, a plurality of shunt holes are formed in the side away from the connector of the main flow channel, the shunt holes are circumferentially arranged, and one end of the shunt hole away from the main flow channel is formed in the outer wall of the positioning screw.

[0010] Preferably, the connecting head is internally provided with a sealing ring one.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、 The application has low manufacturing cost and strong adjustability, and can adjust the size, length and the like of parts according to the sizes of different types of lathes.

[0013] 2、 The adjustment range is large, and different working conditions can be applied.

[0014] 3、 The operation is simple, and the positioning position can be easily adjusted by only loosening the locking nut and rotating the positioning screw.

[0015] 4、 The positioning precision is high, and the locking nut is not easy to loosen even in the high-speed rotating process after being locked.

[0016] 5、 The non-integral structure is strong in interchangeability, and the various components are matched with each other. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a sectional structural schematic view of the utility model.

[0019] In the drawing: main shaft channel 1, positioning flange 2, locking screw 3, locking nut 4, positioning screw 5, main flow channel 51, sealing ring one 52, shunt hole 53, connecting head 6, sealing bolt 7, positioning column 8, sealing ring two 9. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment 1

[0022] Refer to Figure 1 , 2For the first embodiment of the utility model, the embodiment provides a lathe positioning device for piston rod machining, including main shaft channel 1, one end of main shaft channel 1 is fixedly installed with positioning flange 2 through locking screw 3, the end away from main shaft channel 1 of positioning flange 2 is coaxially rotatably connected with locking nut 4, locking nut 4 is connected with positioning screw 5 through thread structure, one end of positioning screw 5 is connected with positioning column 8 through thread structure, positioning column 8 is slidably sleeved in main shaft channel 1, the both sides of positioning column 8 are respectively sleeved with sealing ring two 9, the other end of positioning screw 5 is coaxially fixedly connected with connector 6, connector 6 is connected with sealing bolt 7 through thread structure.

[0023] When installing and using, sealing ring two 9 is first installed on positioning column 8, then positioning column 8 is installed on the end of positioning screw 5, then positioning screw 5 is installed on positioning flange 2, then positioning column 8 is inserted into main shaft channel 1, finally positioning flange 2 is fixedly installed on main shaft channel 1 with locking screw 3, after installation is completed, the required positioning position is adjusted by rotating positioning screw 5, locking nut 4 is used to fix the locking position, two sealing ring two 9 are added on the front positioning column 8 to prevent the cutting fluid from flowing back to the tail of the lathe during the machining process, causing the phenomenon of liquid leakage, avoiding causing the damage of the lathe, the change of the rear positioning position during the machining process is realized by the relative displacement of positioning screw 5 and positioning flange 2, so as to improve the machining efficiency during the batch production of piston rods, there is a great operable space on the applicable stroke of the machining material, the positioning range is long, the repeat positioning precision is high, and the adjustment is convenient, which is suitable for the batch machining of viscous damper piston rods.

[0024] Embodiment 2

[0025] Refer to Figures 1-2 For the second embodiment of the utility model, based on the previous embodiment, specifically, one end of positioning column 8 is concavely provided with a threaded groove, one end of positioning screw 5 is coaxially fixedly connected with a threaded connector, and the threaded connector is threadedly matched with the threaded groove, positioning screw 5 and positioning column 8 are connected in a threaded structure, which facilitates the disassembly and assembly of positioning column 8.

[0026] Specifically, the outer diameter of positioning screw 5 is smaller than the inner diameter of main shaft channel 1, the smaller outer diameter of positioning screw 5 is arranged so that, after positioning screw 5 is inserted into the inside of main shaft channel 1, positioning screw 5 has a certain space gap with main shaft channel 1.

[0027] Specifically, the inside of positioning screw 5 is hollowly provided with main flow channel 51, one end of main flow channel 51 is communicatively arranged with connector 6, and the hole diameter of main flow channel 51 is smaller than the inner diameter of connector 6.

[0028] Specifically, the main flow channel 51 is provided with a plurality of branch holes 53 on the side away from the connector 6, the branch holes 53 are circumferentially distributed, and the ends of the branch holes 53 away from the main flow channel 51 are provided on the outer wall of the positioning screw 5.

[0029] When the sealing ring two 9 is aged and leaks, the cutting fluid will accumulate in the main shaft channel 1, the sealing bolt 7 is removed, the connector 6 is connected through the pipeline, and the accumulated liquid in the main shaft channel 1 is extracted through the negative pressure pump, the accumulated liquid enters the branch hole 53, and then is collected in the main flow channel 51, enters the connector 6 from the main flow channel 51, and finally is extracted through the negative pressure pump, preventing the accumulation of liquid in the main shaft channel 1.

[0030] Specifically, the connector 6 is provided with a sealing ring one 52, and the sealing ring one 52 ensures the sealing performance of the connection between the connector 6 and the sealing bolt 7.

[0031] Embodiment 3

[0032] Reference Figures 1-2 For the third embodiment of the utility model, the embodiment is based on the above two embodiments, and when installed and used, the sealing ring two 9 is first installed on the positioning column 8, then the positioning column 8 is installed on the end of the positioning screw 5, then the positioning screw 5 is installed on the positioning flange 2, then the positioning column 8 is inserted into the main shaft channel 1, and finally the positioning flange 2 is fixedly installed on the main shaft channel 1 by the locking screw 3, after installation is completed, the required positioning position is adjusted by rotating the positioning screw 5, the locking position is fixed by using the locking nut 4, two sealing rings two 9 are added on the front positioning column 8, so that the cutting fluid is prevented from flowing back to the lathe tail during the machining process, the liquid leakage phenomenon is avoided, the lathe damage is avoided, the change of the rear positioning position during the machining process is realized by the relative displacement of the positioning screw 5 and the positioning flange 2, the machining efficiency of the piston rod during batch production is improved, there is a large operable space on the applicable stroke of the machining material, the positioning range is long, the repeated positioning precision is high, the adjustment is convenient, and the utility model is suitable for large-batch machining of viscous dampers.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lathe positioning device for processing of a piston rod, comprising a spindle channel (1), characterised in that: One end of the main shaft channel (1) is fixedly provided with a positioning flange (2) through a locking screw (3), the positioning flange (2) is coaxially and rotatably connected with a locking nut (4) away from one end of the main shaft channel (1), the locking nut (4) is sleeved with a positioning screw (5) through a threaded structure, one end of the positioning screw (5) is connected with a positioning column (8) through a threaded structure, the positioning column (8) is slidably sleeved in the main shaft channel (1), the positioning column (8) is sleeved with a sealing ring two (9) on both sides, the other end of the positioning screw (5) is coaxially and fixedly connected with a connector (6), the connector (6) is connected with a sealing bolt (7) through a threaded structure.

2. A lathe positioning device for machining a piston rod according to claim 1, characterized in that The positioning column (8) is internally recessed with a threaded groove at one end, the positioning screw (5) is coaxially and fixedly connected with a threaded joint at one end, and the threaded joint is threadedly matched with the threaded groove.

3. A lathe positioning device for machining a piston rod according to claim 1, characterized in that: The outer diameter of the positioning screw (5) is smaller than the inner diameter of the main shaft channel (1).

4. A lathe positioning device for machining a piston rod according to claim 1, characterized in that: The positioning screw (5) is internally hollowed with a main flow channel (51), one end of the main flow channel (51) is in communication with the connector (6), and the aperture of the main flow channel (51) is smaller than the inner diameter of the connector (6).

5. A lathe positioning device for machining a piston rod according to claim 4, characterized in that: A plurality of shunt holes (53) are formed in the side of the main flow channel (51) away from the connector (6), the shunt holes (53) are circumferentially and evenly arranged, and one end of the shunt holes (53) away from the main flow channel (51) is formed in the outer wall of the positioning screw (5).

6. A lathe positioning device for machining a piston rod according to claim 1, characterized in that: The connector (6) is internally provided with a sealing ring one (52).

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