CN114396349B - Low-pressure oil rail connecting piece and production process thereof - Google Patents
Low-pressure oil rail connecting piece and production process thereof Download PDFInfo
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- CN114396349B CN114396349B CN202111632469.3A CN202111632469A CN114396349B CN 114396349 B CN114396349 B CN 114396349B CN 202111632469 A CN202111632469 A CN 202111632469A CN 114396349 B CN114396349 B CN 114396349B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Abstract
The low-pressure oil rail connecting piece and the production process thereof integrate the traditional first component and the second component into a whole, and have the advantages that: the welding procedure is not needed, the single part is finished, and the management is convenient. In addition, the multi-station milling tool for the low-pressure oil rail connecting piece improves stability by matching the positioning pipe with the hole structure on the part and clamping the part by the pneumatic clamping device, the collecting device can collect and filter cooling liquid used in the milling process, the cooling liquid is convenient to repeatedly use, in addition, the positioning pipe can be suitable for the hole structures with different apertures by adjusting the moving distance of the moving rod, the application range is enlarged, and multiple parts can be synchronously processed by arranging a plurality of fixing mechanisms, so that the processing efficiency is improved.
Description
Technical Field
The invention relates to a low-pressure oil rail connecting piece and a production process thereof.
Background
The low-pressure oil rail is used as an important component of a low-pressure oil injection system of the generator, and has the function of balancing the injection pressure of each oil nozzle while realizing the function of distributing low-pressure oil. The low-pressure oil rail is connected with external fuel through an oil inlet pipe to realize oil inlet, and is connected with an oil injector through an oil injector seat to realize oil outlet.
The conventional low-pressure oil rail connector comprises a first component 100 serving as a part base and a second component 200 above the first component 100, wherein the first component 100 comprises a hollow cylinder 101 with a plurality of steps, a vertical oil hole 102 penetrating up and down is formed in the hollow cylinder 101, a transverse oil hole 103 is formed in the upper section of the hollow cylinder 101 from one side wall, the vertical oil hole 102 is intersected with the transverse oil hole 103, the transverse oil hole 102 is a blind hole, and the top surface of the first component 100 is an inclined surface; the second component 200 is obliquely connected to the top of the first component 100, the second component 200 is vertically connected with the top surface of the first component 100, the first component 100 and the second component 200 are welded, the main body of the second component 200 is a hollow pipe body 201, the lower end of the hollow pipe body 201 is inserted into the top of the vertical oil hole 102, the upper section of the hollow pipe body 201 is provided with a filter mounting opening 202 which is oppositely arranged, and the filter mounting opening 202 is a waist-round hole.
The second component 200 is processed by a turning mode, and a filter element is arranged in the second component to perform the functions of filtering, oil feeding and connection; the process method comprises the following steps: raw material, molding and processing, and deburring.
The first component 100 is machined by turning and milling, and is welded with the second component 200 to form a component, and is welded with a low-pressure oil rail to play a role in connection; the process method comprises the following steps: raw material, turning, milling and deburring.
The conventional low pressure rail connection is originally designed to process the first and second parts 100 and 200, respectively, and then to perform a welding assembly. Has the disadvantages that: high welding rejection rate, high cost and troublesome management.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to overcome the defects in the prior art, a low-pressure oil rail connecting piece and a production process thereof are provided.
The invention solves the problems by adopting the following technical scheme:
the low-pressure oil rail connecting piece is characterized by being of an integral structure and comprising a connecting piece cylinder, wherein the top of the connecting piece cylinder is an inclined plane, one side of the connecting piece cylinder is provided with a vertical plane, the inclined plane at the top of the connecting piece cylinder is vertically connected with an inclined cylinder, the upper section of the connecting piece cylinder is provided with a transverse hole structure, the hole structure is a blind hole, a first through hole in the central axial direction of the connecting piece cylinder is communicated from bottom to top, a second through hole in the central axial direction of the inclined cylinder is communicated, and the first through hole is communicated with the second through hole; wherein:
the inclined plane and the connecting piece cylinder form an included angle of 75.2 degrees;
the plane and the hole structure form an included angle of 24 degrees;
the plane is axially parallel to the connector cylinder.
The production process is as follows: a low-pressure oil rail connecting piece blank is arranged on a multi-station milling tool of the low-pressure oil rail connecting piece, and machining of all surfaces is completed through a tool positioning hole structure and a connecting piece cylinder.
The multi-station milling tooling for the low-pressure oil rail connecting piece comprises a bottom plate which is horizontally arranged, wherein supporting plates are fixedly arranged on two sides of the bottom plate, a plurality of fixing mechanisms are arranged on the top of the bottom plate, and the fixing mechanisms are horizontally and uniformly distributed;
the fixing mechanism comprises a pneumatic seat, the pneumatic seat is fixedly arranged on the bottom plate, a pneumatic clamping device is arranged on the pneumatic seat, a fixing block and a through hole are arranged at the top of the pneumatic seat, the through hole is positioned at one side of the fixing block, a positioning groove is horizontally arranged at the top of the fixing block, a positioning pipe horizontally penetrates through the positioning groove, two positioning blocks are uniformly fixed on the outer wall of the positioning pipe in the circumferential direction, two clamping grooves are arranged at the top of the fixing block, the clamping grooves correspond to the positioning blocks one by one and are matched with each other, and the positioning blocks are positioned in the clamping grooves;
the pneumatic clamping device comprises a lifting plate, the lifting plate is horizontally arranged in a pneumatic seat, an air cylinder is vertically arranged at the bottom of the lifting plate, the cylinder body of the air cylinder is fixed on the pneumatic seat, the piston end of the air cylinder is fixedly connected with the lifting plate, a plurality of clamping assemblies are arranged at the top of the lifting plate, the clamping assemblies are uniformly distributed circumferentially around the axis of a through hole, the air cylinder is provided with a control assembly, the control assembly comprises a switch and two air pipes, and the switch is connected with the air cylinder through the two air pipes;
the clamping assembly comprises a supporting block, the supporting block is fixedly arranged on the inner wall of the pneumatic seat, a clamping rod is horizontally arranged on the supporting block in a penetrating mode, the axis of the clamping rod is intersected with the axis of the through hole, a connecting rod is obliquely arranged between the clamping rod and the lifting plate, and the lifting plate is hinged to the clamping rod through the connecting rod.
The positioning device comprises a positioning pipe, and is characterized in that a sealing block is arranged at one end in the positioning pipe, a plurality of adjusting assemblies are further arranged in the positioning pipe, each adjusting assembly comprises a guide pipe, the axis of each guide pipe is perpendicular to and intersected with the axis of the positioning pipe, each guide pipe is connected with the inner wall of the positioning pipe, the outer part of each positioning pipe is communicated with the inner part of the positioning pipe through the corresponding guide pipe, a moving rod is slidably and hermetically arranged in each guide pipe, each moving rod is connected with the inner wall of the positioning pipe through a spring, a power assembly is arranged on each positioning pipe, and each power assembly is located on one side, far away from the sealing block, of each guide pipe;
the power assembly comprises an extrusion plate, a push rod and a positioning ring, wherein the extrusion plate, the push rod and the positioning ring are coaxially arranged with the positioning pipe, the extrusion plate is in sliding and sealing connection with the inner wall of the positioning pipe, one end of the push rod is arranged on one side, far away from the sealing block, of the extrusion plate, a knob is arranged at the other end of the push rod, the knob is positioned outside the positioning pipe, the positioning ring is sealed and fixedly arranged on the inner wall of the positioning pipe, the push rod passes through the positioning ring, a plurality of positioning rods are uniformly and fixedly arranged on the push rod in the circumferential direction, the positioning rods are positioned between the positioning ring and the knob, a plurality of through grooves are formed in the inner wall of the annular hole of the positioning ring, and the through grooves correspond to the positioning rods one by one and are matched with the positioning rods;
the collecting device is also arranged below the bottom plate and comprises a filter tank, the filter tank is arranged opposite to the bottom plate, two sides of the filter tank are fixedly connected with the supporting plate, the collecting tank is arranged right below the filter tank and fixedly connected with the filter tank, the notch of collecting vat and the notch of filter vat all set up, the filter tube is worn to be equipped with in the vertical activity of filter vat's bottom and the seal, the filter screen is installed on the top of filter tube, be provided with clean subassembly in the filter vat, clean subassembly is connected with the filter tube.
The cleaning assembly comprises a floating plate, the floating plate is horizontally arranged above the filter screen, the floating plate is fixedly connected with the filter tube, a rotating shaft is vertically movably arranged on the floating plate in a penetrating mode, the rotating shaft is connected with the floating plate through a bearing, a cleaning brush is arranged at the bottom end of the rotating shaft, the filter screen is propped against bristles of the cleaning brush, a ball screw pair is arranged at the top end of the rotating shaft, a screw rod of the ball screw pair is coaxially and fixedly arranged on the rotating shaft, a nut of the ball screw pair is fixedly connected with the filter tank, a plurality of guide rods vertically penetrate through the floating plate, the guide rods are circumferentially distributed by taking the rotating shaft as the center, and the bottom ends of the guide rods are fixed on the filter tank.
The bottom of floating plate is provided with the auxiliary ring, the coaxial fixed cover of auxiliary ring is established on the filter tube, auxiliary ring and floating plate fixed connection, the fixed a plurality of dead levers that are provided with of bottom circumference of auxiliary ring, the dead lever supports with the bottom in the filter tank.
The application method of the multi-station milling tool for the low-pressure oil rail connecting piece comprises the following steps: inserting one end of the positioning tube provided with the sealing block into a hole structure formed on the part, inserting the part into the through hole and abutting against the top of the pneumatic seat, placing the positioning tube in the positioning groove, positioning the two positioning blocks in the clamping groove to fix the direction of the hole structure of the part, controlling the cylinder to operate, lifting the lifting plate, driving the locking rod to abut against the part through the connecting rod, the locking of the part is realized, during milling, after the cooling liquid acts on the part, the chips generated by milling are driven to flow into the filter tank, the chips are deposited at the bottom of the filter tank through the action of self gravity, the cooling liquid flows to the top end of the filter tube and flows into the collecting tank from the bottom end, the interception of the chips is realized through the filter screen, and the purification of the cooling liquid is realized, so that the cooling liquid can be reused conveniently.
Compared with the prior art, the invention has the advantages that:
the low-pressure oil rail connecting piece and the production process thereof integrate the traditional first component and the second component into a whole, and have the advantages that: the welding procedure is not needed, the single part finished product bottom (the first part and the second part are more than the whole), and the management is convenient. In addition, the multi-station milling tool for the low-pressure oil rail connecting piece improves stability by matching the positioning pipe with the hole structure on the part and clamping the part by the pneumatic clamping device, the collecting device can collect and filter cooling liquid used in the milling process, the cooling liquid is convenient to repeatedly use, in addition, the positioning pipe can be suitable for the hole structures with different apertures by adjusting the moving distance of the moving rod, the application range is enlarged, and multiple parts can be synchronously processed by arranging a plurality of fixing mechanisms, so that the processing efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a multi-station milling tool for a low-pressure oil rail connecting piece;
FIG. 2 is a top view of a multi-station milling tool for a low-pressure oil rail connecting piece according to the present invention;
FIG. 3 is a schematic structural view of a fixing mechanism;
FIG. 4 is a schematic structural view of a pneumatic clamping device;
FIG. 5 is a schematic diagram of a power assembly;
fig. 6 is an enlarged view of a portion B of fig. 5;
fig. 7 is an enlarged view of a portion a of fig. 1;
fig. 8 is a perspective view of a low pressure oil rail connector according to the present invention.
Fig. 9 is a perspective view of the first component.
Fig. 10 is a perspective view of the second component.
Wherein: 1. the bottom plate 2, the supporting plate 3, the pneumatic seat 4, the fixed block 5, the through hole 6, the positioning groove 7, the positioning pipe 8, the positioning block 9, the clamping groove 10, the lifting plate 11, the air cylinder 12, the switch 13, the air pipe 14, the supporting block 15, the clamping rod 16, the connecting rod 17, the sealing block 18, the guide pipe 19, the movable rod 20, the spring, the device comprises a pressing plate 21, a push rod 22, a positioning ring 23, a knob 24, a positioning rod 25, a through groove 26, a filtering groove 27, a collecting groove 28, a filtering pipe 29, a filtering net 30, a floating plate 31, a floating plate 32, a rotating shaft 33, a bearing 34, a cleaning brush 35, a ball screw pair 36, a guide rod 37, an auxiliary ring 38 and a fixing rod.
Low pressure oil rail connector 300, connector cylinder 301, inclined plane 302, plane 303, inclined cylinder 304, hole structure 305.
Detailed Description
As shown in the figure, the invention relates to a low-pressure oil rail connecting piece and a production process thereof, wherein the low-pressure oil rail connecting piece 300 is of an integral structure and comprises a connecting piece cylinder 301, the top of the connecting piece cylinder 301 is an inclined plane 302, one side of the connecting piece cylinder 301 is provided with a vertical plane 303, the inclined plane 304 is vertically connected with the top of the connecting piece cylinder 301, the upper section of the connecting piece cylinder 301 is provided with a transverse hole structure 305, the hole structure 305 is a blind hole, a first through hole in the central axial direction of the connecting piece cylinder 301 is communicated from bottom to top, a second through hole in the central axial direction of the inclined cylinder 304 is communicated, the first through hole is communicated with the second through hole, and the hole structure 305 is communicated with the first through hole; wherein:
the inclined plane 302 and the connector cylinder 301 form an included angle of 75.2 degrees;
the flat surface 303 is axially parallel to the connector post 301.
A production process of a low-pressure oil rail connecting piece comprises the following steps: a low-pressure oil rail connecting piece blank is arranged on a multi-station milling tool of the low-pressure oil rail connecting piece, and machining of all surfaces is completed through a tool positioning hole structure and a connecting piece cylinder.
The multi-station milling tooling for the low-pressure oil rail connecting piece comprises a bottom plate 1 which is horizontally arranged, wherein support plates 2 are fixedly arranged on two sides of the bottom plate 1, a plurality of fixing mechanisms are arranged on the top of the bottom plate 1, and the fixing mechanisms are horizontally and uniformly distributed;
the fixing mechanism comprises a pneumatic seat 3, the pneumatic seat 3 is fixedly arranged on a bottom plate 1, a pneumatic clamping device is arranged on the pneumatic seat 3, a fixing block 4 and a through hole 5 are arranged at the top of the pneumatic seat 3, the through hole 5 is positioned at one side of the fixing block 4, a positioning groove 6 is horizontally arranged at the top of the fixing block 4, a positioning pipe 7 horizontally penetrates through the positioning groove 6, two positioning blocks 8 are uniformly fixed on the periphery of the outer wall of the positioning pipe 7, two clamping grooves 9 are formed in the top of the fixing block 4, the clamping grooves 9 are in one-to-one correspondence and are matched with the positioning blocks 8, and the positioning blocks 8 are positioned in the clamping grooves 9;
the pneumatic clamping device comprises a lifting plate 10, wherein the lifting plate 10 is horizontally arranged in a pneumatic seat 3, an air cylinder 11 is vertically arranged at the bottom of the lifting plate 10, a cylinder body of the air cylinder 11 is fixed on the pneumatic seat 3, a piston end of the air cylinder 11 is fixedly connected with the lifting plate 10, a plurality of clamping assemblies are arranged at the top of the lifting plate 10, the clamping assemblies are uniformly distributed circumferentially by taking the axis of a through hole 5 as the center, a control assembly is arranged on the air cylinder 11, the control assembly comprises a switch 12 and two air pipes 13, and the switch 12 is connected with the air cylinder 11 through the two air pipes 13; the method comprises the steps of carrying out a first treatment on the surface of the
The clamping assembly comprises a supporting block 14, the supporting block 14 is fixedly arranged on the inner wall of the pneumatic seat 3, a clamping rod 15 is horizontally arranged on the supporting block 14 in a penetrating mode, the axis of the clamping rod 15 is intersected with the axis of the through hole 5, a connecting rod 16 is obliquely arranged between the clamping rod 15 and the lifting plate 10, and the lifting plate 10 is hinged to the clamping rod 15 through the connecting rod 16.
One end in the positioning tube 7 is provided with a sealing block 17, a plurality of adjusting components are further arranged in the positioning tube 7, each adjusting component comprises a guide tube 18, the axis of each guide tube 18 is perpendicular to and intersects with the axis of the corresponding positioning tube 7, each guide tube 18 is connected with the inner wall of the corresponding positioning tube 7, the outside of each positioning tube 7 is communicated with the inside of the corresponding positioning tube 7 through each guide tube 18, a moving rod 19 is slidably and sealingly arranged in each guide tube 18, each moving rod 19 is connected with the inner wall of the corresponding positioning tube 7 through a spring 20, and each positioning tube 7 is provided with a power component which is located on one side, far away from the corresponding sealing block 17, of each guide tube 18;
the power assembly comprises an extrusion plate 21, a push rod 22 and a positioning ring 23, wherein the extrusion plate 21, the push rod 22 and the positioning ring 23 are coaxially arranged with the positioning tube 7, the extrusion plate 21 is in sliding and sealing connection with the inner wall of the positioning tube 7, one end of the push rod 22 is arranged on one side of the extrusion plate 21 far away from the sealing block 17, the other end of the push rod 22 is provided with a knob 24, the knob 24 is positioned outside the positioning tube 7, the positioning ring 23 is sealed and fixedly arranged on the inner wall of the positioning tube 7, the push rod 22 penetrates through the positioning ring 23, a plurality of positioning rods 25 are uniformly and circumferentially arranged on the push rod 22, the plurality of positioning rods 25 are positioned between the positioning ring 23 and the knob 24, a plurality of through grooves 26 are arranged on the inner wall of an annular hole of the positioning ring 23, and the plurality of through grooves 26 are in one-to-one correspondence and are matched with the plurality of positioning rods 25;
the utility model discloses a filter device, including bottom plate 1, filter tank 27 and bottom plate 1 are just to setting up, the both sides and the backup pad 2 fixed connection of filter tank 27, be provided with collecting vat 28 under filter tank 27, collecting vat 28 and filter tank 27 fixed connection, collecting vat 28's notch and filter tank 27's notch all set up, filter tank 27's bottom vertical activity and sealed filter tube 29 of wearing are equipped with, filter screen 30 is installed on filter tube 29's top, be provided with clean subassembly in the filter tank 27, clean subassembly is connected with filter tube 29.
The cleaning assembly comprises a floating plate 31, the floating plate 31 is horizontally arranged above a filter screen 30, the floating plate 31 is fixedly connected with a filter tube 29, a rotating shaft 32 is vertically movably arranged on the floating plate 31 in a penetrating mode, the rotating shaft 32 is connected with the floating plate 31 through a bearing 33, a cleaning brush 34 is arranged at the bottom end of the rotating shaft 32, the filter screen 30 abuts against bristles of the cleaning brush 34, a ball screw pair 35 is arranged at the top end of the rotating shaft 32, a screw of the ball screw pair 35 is coaxially and fixedly arranged on the rotating shaft 32, a nut of the ball screw pair 35 is fixedly connected with a filter tank 27, a plurality of guide rods 36 are vertically arranged on the floating plate 31 in a penetrating mode, the guide rods 36 are circumferentially distributed by taking the rotating shaft 32 as a center, and the bottom end of each guide rod 36 is fixed on the filter tank 27.
The bottom of the floating plate 31 is provided with an auxiliary ring 37, the auxiliary ring 37 is coaxially and fixedly sleeved on the filter tube 29, the auxiliary ring 37 is fixedly connected with the floating plate 31, a plurality of fixing rods 38 are fixedly arranged at the periphery of the bottom of the auxiliary ring 37, and the fixing rods 38 are propped against the bottom in the filter tank 27.
The application method of the multi-station milling tool for the low-pressure oil rail connecting piece comprises the following steps: the end of the positioning pipe 7, which is provided with the sealing block 17, is inserted into a hole structure formed in the low-pressure oil rail connecting piece part, then the low-pressure oil rail connecting piece is inserted into the through hole 5 and is abutted against the top of the pneumatic seat 3, the positioning pipe 7 is placed in the positioning groove 6, the two positioning blocks 8 are positioned in the clamping groove 9, the fixing of the direction of the hole structure of the low-pressure oil rail connecting piece is realized, then the cylinder 11 is controlled to operate, the lifting plate 10 is lifted, the locking rod is driven to abut against the low-pressure oil rail connecting piece through the connecting rod 16, the locking of the low-pressure oil rail connecting piece part is realized, during milling, after cooling liquid acts on the low-pressure oil rail connecting piece part, chips generated by milling are driven to flow into the filter groove 27, the chips are deposited at the bottom of the filter groove 27 through the self gravity, the cooling liquid flows to the top end of the filter pipe 29 and flows into the collecting groove 28, the chip interception is realized through the filter screen 30, namely, the cooling liquid is purified, and the cooling liquid is convenient to use repeatedly.
During the use of the multi-station milling tool for the pressure oil rail connecting piece, one end of the positioning pipe 7, which is provided with the sealing block 17, is inserted into a hole structure formed on a part of the low-pressure oil rail connecting piece, the knob 24 is pushed to move towards a direction close to the positioning ring 23, namely the extrusion disc 21 can be driven by the push rod 22 to synchronously move, so that the air pressure in the positioning pipe 7 is increased, the moving rod 19 is driven by the air pressure to move towards a direction far away from the axis of the positioning pipe 7, the moving rod 19 is abutted against the inner wall of the hole structure, the spring 20 is deformed, after the push rod 22 drives the positioning rod 25 to pass through the through groove 26, the knob 24 is rotated, the positioning rod 25 is abutted against one side of the positioning ring 23, which is close to the sealing block 17, the effect of locking the extrusion disc 21 can be realized, then the part of the low-pressure oil rail connecting piece is inserted into the through hole 5 and abutted against the top of the pneumatic seat 3, the positioning pipe 7 is placed in the positioning groove 6, the two positioning blocks 8 are positioned in the clamping groove 9, the fixing of the hole structure direction of the low-pressure oil rail connecting piece part is realized, the moving rod 19 can be suitable for hole structures with different apertures, the application range is expanded, then the switch 12 is pressed, the air in the air cylinder 11 flows through the two air pipes 13, the air pressure in the air cylinder 11 is changed, under the action of the air pressure, the piston rod of the air cylinder 11 drives the lifting plate 10 to move upwards, the locking rod is driven by the connecting rod 16 to abut against the low-pressure oil rail connecting piece part, the locking of the low-pressure oil rail connecting piece part is realized, during milling, after the cooling liquid is acted on the low-pressure oil rail connecting piece part, the chips generated by milling are driven to flow into the filter tank 27, and the chips are deposited at the bottom of the filter tank 27 under the action of self gravity, the cooling liquid flows to the top end of the filter tube 29 and flows into the collecting tank 28 from the bottom end, the retention of the chips is realized through the filter screen 30, namely, the purification of the cooling liquid is realized, the cooling liquid is convenient for repeated use, the floating plate 31 is driven to rise along with the rise of the liquid level of the cooling liquid in the filter tank 27, the rising of the floating plate 31 drives the rotating shaft 32 to rise through the bearing 33, the rising of the rotating shaft 32 drives the screw rod of the ball screw pair 35 to rise, the ball screw pair 35 can convert the rotary motion into the linear motion or convert the linear motion into the rotary motion, the screw rod of the ball screw pair 35 drives the rotating shaft 32 to rotate on the bearing 33, the rotation of the rotating shaft 32 drives the cleaning brush 34 to rotate, the bristles of the cleaning brush 34 brush down the chips retained on the filter screen 30, the filter screen 30 is prevented from being blocked, and after the liquid level of the cooling liquid in the filter tank 27 is lowered, the floating plate 31 descends and drives the auxiliary ring 37 to synchronously descend, at this time, scraps and cooling liquid between the auxiliary ring 37 and the bottom in the filter tank 27 are extruded and then move towards a direction away from the filter tube 29, scraps below the auxiliary ring 37 are prevented from accumulating too much and flowing onto the filter screen 30, scraps trapped on the filter screen 30 are reduced, the cleaning effect of the filter screen 30 is improved, after milling is finished, the piston of the air cylinder 11 descends, the clamping rod 15 is separated from the low-pressure oil rail connecting piece part, the low-pressure oil rail connecting piece part is pulled out from the through hole 5 and drives the positioning rod 25 to synchronously pull out, then the knob 24 is reversely rotated, the positioning rod 25 reversely passes through the through groove 26, air pressure in the positioning tube 7 is reduced, the moving rod 19 reversely moves under the action of the air pressure and the spring 20 to realize resetting, and finally the positioning rod 25 is pulled out from the hole structure.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (7)
1. The production process of the low-pressure oil rail connecting piece is characterized in that the low-pressure oil rail connecting piece is of an integral structure, the low-pressure oil rail connecting piece comprises a connecting piece cylinder, the top of the connecting piece cylinder is an inclined plane, one side of the connecting piece cylinder is provided with a vertical plane, the inclined cylinder is vertically connected with the inclined plane of the top of the connecting piece cylinder, the upper section of the connecting piece cylinder is provided with a transverse hole structure, the hole structure is a blind hole, a first through hole in the central axial direction of the connecting piece cylinder is communicated from bottom to top, a second through hole in the central axial direction of the inclined cylinder is communicated, the first through hole is communicated with the second through hole, and the hole structure is communicated with the first through hole; wherein:
the inclined plane and the connecting piece cylinder form an included angle of 75.2 degrees;
the plane and the hole structure form an included angle of 24 degrees;
the plane is axially parallel to the connecting piece column body;
the specific production process is as follows: mounting a low-pressure oil rail connecting piece blank on a multi-station milling tool of the low-pressure oil rail connecting piece, and finishing the machining of each surface through a tool positioning hole structure and a connecting piece cylinder;
the multi-station milling tool for the low-pressure oil rail connecting piece comprises a bottom plate (1) which is horizontally arranged, wherein support plates (2) are fixedly arranged on two sides of the bottom plate (1), a plurality of fixing mechanisms are arranged at the top of the bottom plate (1), and the fixing mechanisms are horizontally and uniformly distributed;
the utility model provides a fixing mechanism includes pneumatic seat (3), pneumatic seat (3) are fixed to be set up on bottom plate (1), be provided with pneumatic clamping device on pneumatic seat (3), the top of pneumatic seat (3) is provided with fixed block (4) and through-hole (5), through-hole (5) are located one side of fixed block (4), the top level of fixed block (4) is provided with constant head tank (6), horizontal wears to be equipped with positioning tube (7) in constant head tank (6), the outer wall circumference of positioning tube (7) evenly is fixed with two locating pieces (8), the top of fixed block (4) is provided with two draw-in grooves (9), draw-in groove (9) and locating piece (8) one-to-one and match, locating piece (8) are located draw-in groove (9).
2. The production process of the low-pressure oil rail connecting piece according to claim 1, characterized in that the pneumatic clamping device comprises a lifting plate (10), the lifting plate (10) is horizontally arranged in a pneumatic seat (3), an air cylinder (11) is vertically arranged at the bottom of the lifting plate (10), a cylinder body of the air cylinder (11) is fixed on the pneumatic seat (3), a piston end of the air cylinder (11) is fixedly connected with the lifting plate (10), a plurality of clamping assemblies are arranged at the top of the lifting plate (10), the clamping assemblies are uniformly distributed circumferentially by taking the axis of a through hole (5) as the center, and a control assembly is arranged on the air cylinder (11).
3. The production process of the low-pressure oil rail connecting piece according to claim 2, characterized in that the clamping assembly comprises a supporting block (14), the supporting block (14) is fixedly arranged on the inner wall of the pneumatic seat (3), a clamping rod (15) is horizontally arranged on the supporting block (14) in a penetrating mode, the axis of the clamping rod (15) is intersected with the axis of the through hole (5), a connecting rod (16) is obliquely arranged between the clamping rod (15) and the lifting plate (10), and the lifting plate (10) is hinged with the clamping rod (15) through the connecting rod (16).
4. The production process of the low-pressure oil rail connecting piece according to claim 2, characterized in that one end in the positioning pipe (7) is provided with a sealing block (17), a plurality of adjusting components are further arranged in the positioning pipe (7), each adjusting component comprises a guide pipe (18), the axis of each guide pipe (18) is perpendicular to and intersected with the axis of the corresponding positioning pipe (7), each guide pipe (18) is connected with the inner wall of the corresponding positioning pipe (7), the outer part of each positioning pipe (7) is communicated with the inner part of the corresponding positioning pipe (7) through the corresponding guide pipe (18), a moving rod (19) is arranged in a sliding and sealing mode in the corresponding guide pipe (18), the moving rod (19) is connected with the inner wall of the corresponding positioning pipe (7) through a spring (20), and each power component is arranged on the corresponding positioning pipe (7) and located on one side, far away from the sealing block (17), of the corresponding guide pipe (18).
5. The production process of the low-pressure oil rail connecting piece according to claim 4, characterized in that the power assembly comprises an extrusion disc (21), a push rod (22) and a positioning ring (23), the extrusion disc (21), the push rod (22) and the positioning ring (23) are coaxially arranged with the positioning pipe (7), the extrusion disc (21) and the inner wall of the positioning pipe (7) are in sliding and sealing connection, one end of the push rod (22) is arranged on one side, far away from the sealing block (17), of the extrusion disc (21), a knob (24) is arranged on the other end of the push rod (22), the knob (24) is located outside the positioning pipe (7), the positioning ring (23) is sealed and fixedly arranged on the inner wall of the positioning pipe (7), the push rod (22) penetrates through the positioning ring (23), a plurality of positioning rods (25) are uniformly and fixedly arranged on the push rod (22), the plurality of positioning rods (25) are located between the positioning ring (23) and the knob (24), a plurality of through grooves (26) are formed in the inner wall of the positioning ring (23) hole, and the plurality of through grooves are matched with the positioning rods (25).
6. The production process of the low-pressure oil rail connecting piece according to claim 2, characterized in that a collecting device is further arranged below the bottom plate (1), the collecting device comprises a filter tank (27), the filter tank (27) is opposite to the bottom plate (1), two sides of the filter tank (27) are fixedly connected with the support plate (2), a collecting tank (28) is arranged right below the filter tank (27), the collecting tank (28) is fixedly connected with the filter tank (27), the notch of the collecting tank (28) and the notch of the filter tank (27) are both upwards arranged, a filter tube (29) is vertically movable at the bottom of the filter tank (27) and is penetrated in a sealing manner, a filter screen (30) is arranged at the top end of the filter tube (29), and a cleaning assembly is arranged in the filter tank (27) and is connected with the filter tube (29).
7. The production process of the low-pressure oil rail connecting piece according to claim 6, characterized in that the cleaning component comprises a floating plate (31), the floating plate (31) is horizontally arranged above the filter screen (30), the floating plate (31) is fixedly connected with the filter tube (29), a rotating shaft (32) is vertically and movably arranged on the floating plate (31) in a penetrating mode, the rotating shaft (32) is connected with the floating plate (31) through a bearing (33), a cleaning brush (34) is arranged at the bottom end of the rotating shaft (32), the filter screen (30) is abutted against bristles of the cleaning brush (34), a ball screw pair (35) is arranged at the top end of the rotating shaft (32), a screw rod of the ball screw pair (35) is coaxially and fixedly arranged on the rotating shaft (32), nuts of the ball screw pair (35) are fixedly connected with the filter tank (27), a plurality of guide rods (36) vertically penetrate through the floating plate (31), the plurality of guide rods (36) are circumferentially distributed by taking the rotating shaft (32) as a center, and the bottom ends of the guide rods (36) are fixedly arranged on the filter tank (27).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632469.3A CN114396349B (en) | 2021-12-28 | 2021-12-28 | Low-pressure oil rail connecting piece and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111632469.3A CN114396349B (en) | 2021-12-28 | 2021-12-28 | Low-pressure oil rail connecting piece and production process thereof |
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| CN114396349A CN114396349A (en) | 2022-04-26 |
| CN114396349B true CN114396349B (en) | 2023-06-02 |
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| CN117583930B (en) * | 2024-01-19 | 2024-03-29 | 长春市阿尔科达科技有限公司 | Clamp for high-pressure oil rail processing machine tool |
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| DE102016204025B4 (en) * | 2016-03-11 | 2021-05-27 | Hirschvogel Umformtechnik Gmbh | Internal pressure loaded component (rail) as well as process for its production |
| DE102016216849A1 (en) * | 2016-09-06 | 2018-03-08 | Robert Bosch Gmbh | Pump element for a high-pressure pump |
| CN110761926A (en) * | 2019-11-08 | 2020-02-07 | 重庆红江机械有限责任公司 | Low-speed machine integral common rail |
| DE102019133050A1 (en) * | 2019-12-04 | 2021-06-10 | Benteler Automobiltechnik Gmbh | Fuel rail |
| CN213450651U (en) * | 2020-09-29 | 2021-06-15 | 联合汽车电子有限公司 | Integral high-pressure fuel distributing pipe |
| CN113027653A (en) * | 2021-04-29 | 2021-06-25 | 上海众源燃油分配器制造有限公司 | 500bar stainless steel gasoline high-pressure oil rail and machining process thereof |
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