CN114952347A - Positioning device and method for diesel engine connecting rod on planer type milling machine - Google Patents
Positioning device and method for diesel engine connecting rod on planer type milling machine Download PDFInfo
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- CN114952347A CN114952347A CN202210795604.4A CN202210795604A CN114952347A CN 114952347 A CN114952347 A CN 114952347A CN 202210795604 A CN202210795604 A CN 202210795604A CN 114952347 A CN114952347 A CN 114952347A
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- 238000003801 milling Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000009966 trimming Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 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
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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
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Abstract
A positioning device and method for a diesel engine connecting rod on a planer type milling machine comprise a thick end left clamping component, a thick end right clamping component, a thin end top clamping component, a thin end left clamping component, a fine adjustment component, an equal-height cushion block and a foundation pressing component; the five clamping assemblies are fixed on the working table top through the foundation pressing assembly and used for positioning, placing and pressing the fixed connecting rod, the two equal-height cushion blocks are respectively fixed on the working table top beside the thick-end left clamping assembly and the thick-end right clamping assembly and used for positioning the thick-end bottom surface of the connecting rod, and the fine adjustment assembly is fixed on the thick-end left clamping assembly and the thin-end top clamping assembly and used for tightly jacking the connecting rod to perform X-direction and Y-direction positioning. The invention realizes the quick positioning and mounting and fixing of the positioning device and the connecting rod on the working table surface, writes the coordinates of the thick end surface, the thick end side surface, the thick end bottom surface and the thin end bottom surface of the connecting rod into the numerical control system of the planer type milling machine, realizes the quick zero setting of the workpiece, improves the production efficiency and ensures the product quality.
Description
Technical Field
The invention relates to a processing technology of a diesel engine, in particular to a positioning device and a positioning method for a connecting rod of the diesel engine on a planer type milling machine, and belongs to the technical field of diesel engine manufacturing.
Background
The marine low-speed diesel engine is the main power of a large-scale ship, and key parts of the marine low-speed diesel engine comprise a frame, a stand, a cylinder body, a connecting rod and the like. Each diesel engine has a plurality of connecting rods, and referring to fig. 1, the main processing parts of the connecting rods have a thick end D01, a thin end D02, a large-diameter hole and all sides of the periphery: the thick end face D1, the thick end side face D2, the thin end bottom face D3 and the thick end bottom face D4 are machined, and the requirement on the form and position accuracy is high. The common processing method adopts a horizontal boring and milling center for processing, and has the disadvantages of complex processing flow, low efficiency and easy deformation.
Disclosure of Invention
The invention aims to solve the problems that: in view of the defects of the original processing method, the positioning device and the positioning method for the diesel engine connecting rod on the planer type milling machine are provided, so that the connecting rod workpiece is quickly positioned and clamped, and the connecting rod is produced with high quality and high efficiency.
The technical scheme of the invention is as follows:
a positioning device for a diesel engine connecting rod on a planer type milling machine is arranged on a working table top of the numerical control planer type milling machine, positioning grooves along the X direction and the Y direction are formed in the working table top, the connecting rod comprises a thick end and a thin end, the thick end comprises a thick end face, a thick end side face and a thick end bottom face, and the thin end comprises a thin end bottom face; the method is characterized in that: the positioning device comprises a thick-end left clamping assembly, a thick-end right clamping assembly, a thin-end top clamping assembly, a thin-end left clamping assembly, a fine adjustment assembly, equal-height cushion blocks and a foundation pressing assembly;
the thick end left clamping component, the thick end right clamping component, the thin end top clamping component and the thin end left clamping component are fixed on the worktable surface through the foundation pressing component, the thick end left clamping assembly is positioned at the left side of the thick end of the connecting rod and is provided with a thick end face positioning surface for positioning the thick end face of the connecting rod, the thick end right clamping assembly is positioned on the right side of the thick end of the connecting rod and is provided with a thick end face positioning surface and a thick end side surface positioning surface for positioning the thick end side surface of the connecting rod, the thin end left clamping assembly and the thin end right clamping assembly are respectively positioned on the left side and the right side of the thin end of the connecting rod and are respectively provided with a thin end bottom surface positioning surface for positioning the thin end bottom surface of the connecting rod, and the thin end top clamping assembly is positioned on the top side of the thin end of the connecting rod;
the two equal-height cushion blocks are respectively fixed on the working table surfaces beside the thick-end left clamping assembly and the thick-end right clamping assembly, and the upper ends of the equal-height cushion blocks are provided with thick-end bottom surface positioning surfaces for positioning the thick-end bottom surfaces of the connecting rods;
one the fine tuning assembly is fixed on the thick-end left clamping assembly and used for tightly supporting the thick end of the connecting rod, the thick end side face positioning face of the thick-end right clamping assembly is matched with the thick end side face positioning face of the thick-end right clamping assembly, the connecting rod is positioned in the X direction, the other one of the fine tuning assembly is fixed on the thin-end top clamping assembly and used for tightly supporting the thin end of the connecting rod, the thick end face positioning face of the thick-end left clamping assembly is matched with the thick end face positioning face of the thick-end right clamping assembly, and the connecting rod is positioned in the Y direction.
Furthermore, the thick-end left clamping assembly comprises a thick-end left base block and a pressing device above the thick-end left base block, one thick-end face positioning face is arranged on the thick-end left base block, the thick-end right clamping assembly comprises a thick-end right base block and a pressing device above the thick-end right base block, the thick-end side face positioning face and the other thick-end face positioning face are arranged on the thick-end right base block, the thin-end right clamping assembly comprises a thin-end right base block and a pressing device above the thin-end right base block, the thin-end left clamping assembly comprises a thin-end left base block and a pressing device above the thin-end left base block, the two thin-end bottom face positioning faces are respectively arranged on the thin-end right base block and the thin-end left base block, and the thin-end top clamping assembly comprises a thin-end top base block;
the compressing device comprises a connecting plate, a compressing nut, a gasket, a through bolt and an adjustable cushion block, wherein the through bolt is respectively vertically connected to the thick-end left-side base block, the thick-end right-side base block, the thin-end right-side base block and the thin-end left-side base block, the connecting plate is arranged on the through bolt in a penetrating mode, one end of the connecting plate is pressed at the upper end of the vertical adjustable cushion block, the other end of the connecting plate is pressed on the connecting rod, the compressing nut and the gasket are screwed up to the upper end of the through bolt, and the connecting plate is used for compressing and fixing the connecting rod.
Further, the lower plane of thick end left side foundation piece, thick end right side foundation piece, thin end top foundation piece and thin end left side foundation piece be equipped with the keyway, connect in through the navigation key in table surface's constant head tank to play quick positioning action.
Further, the foundation pressing assembly comprises a standard cushion block, a T-shaped through bolt and a pressing plate; t type through bolt connect in table surface's constant head tank, on this T type through bolt was worn to arrange in to the clamp plate, one end was pressed and is being put on table surface's last standard cushion's top, the other end is pressed respectively thick end left side foundation block, thick end right side foundation block, thin end top foundation block and the lower part of thin end left side foundation block, thereby will thick end left side clamping subassembly, thick end right side clamping subassembly, thin end top clamping subassembly and thin end left side clamping subassembly are fixed in table surface is last.
Furthermore, the fine adjustment assembly comprises a copper-inlaid cushion block, a fine adjustment body, a fine adjustment bolt and a compression bolt; this fine setting body passes through hold-down bolt is fixed in respectively on thick end left side foundation piece and the thin end top foundation piece, inlay the copper cushion and pass through fine setting bolted connection in on the fine setting body, rotatory this fine setting bolt promotes inlay the copper cushion with the top tight the connecting rod.
Furthermore, the connecting plate is made of inlaid copper materials.
The other technical scheme of the invention is as follows:
a positioning method for a diesel engine connecting rod on a planer type milling machine, which is realized by adopting the positioning device, is characterized in that: the positioning device is quickly positioned and installed and fixed on the working table surface of the numerical control planer type milling machine through a positioning key and a positioning groove, the connecting rod is quickly positioned on the positioning device through the fine adjustment assembly, and the mechanical coordinate positions of the thick end face, the thick end side face, the thick end bottom face and the thin end bottom face of the connecting rod are written into a numerical control system of the planer type milling machine, so that the quick zero setting, clamping and positioning of workpieces are realized.
Further, the positioning method comprises the following steps:
1) cleaning the working table surface of the planomiller and coating thin oil;
2) positioning keys are respectively arranged in key grooves of the thick-end left clamping assembly, the thick-end right clamping assembly, the thin-end top clamping assembly and the thin-end left clamping assembly and are respectively aligned with and embedded into positioning grooves on the workbench surface, so that the thick-end left clamping assembly, the thick-end right clamping assembly, the thin-end top clamping assembly and the thin-end left clamping assembly are respectively positioned and placed on the workbench surface, and then are compressed and fixed through the basic compressing assembly;
3) fixing two equal-height cushion blocks on the working table surfaces beside the thick-end left clamping assembly and the thick-end right clamping assembly respectively, and cleaning the positioning surface of the bottom surface of the thick end;
4) coating thin oil on the thick end bottom surface positioning surfaces of the equal-height cushion blocks and the thin end bottom surface positioning surfaces of the thin end left clamping assembly and the thin end right clamping assembly, then placing the connecting rod into the positioning device, enabling the thick end bottom surface of the connecting rod to be attached to the thick end bottom surface positioning surfaces of the equal-height cushion blocks, enabling the thin end bottom surfaces to be attached to the thin end bottom surface positioning surfaces of the thin end left clamping assembly and the thin end right clamping assembly, and enabling the thick end surface to be close to the thick end surface positioning surfaces of the thick end left clamping assembly and the thick end right clamping assembly;
5) the fine adjustment assembly is respectively arranged on the thick-end left clamping assembly and the thin-end top clamping assembly, the connecting rod is tightly jacked by rotating the fine adjustment assembly, the thick-end face is respectively attached to the thick-end face positioning faces of the thick-end left clamping assembly and the thick-end right clamping assembly, and the thick-end side face is attached to the thick-end side face positioning face of the thick-end right clamping assembly;
6) tightening the pressing devices of the thick-end left clamping assembly, the thick-end right clamping assembly, the thin-end right clamping assembly and the thin-end left clamping assembly to fasten the connecting rod on the positioning device;
7) and writing the mechanical coordinate positions of the thick end face, the thick end side face, the thick end bottom face and the thin end bottom face of the connecting rod into a numerical control system of the planer type milling machine, completing the quick zero setting, clamping and fixing of the connecting rod, and starting the machining of the connecting rod.
The invention has the beneficial effects that:
the quick clamping and positioning of the connecting rod are realized, the connecting rod is quickly mounted and dismounted, the production efficiency is improved, and the product quality is ensured.
Drawings
Fig. 1 is a schematic view of a connecting rod.
Fig. 2 is a schematic view of the working state of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
FIG. 4 is a schematic view showing the arrangement of the orientation flat.
In the figure, the position of the upper end of the main shaft,
a1-thick end left clamping assembly, A2-thick end right clamping assembly, A3-thin end right clamping assembly, A4-thin end top clamping assembly, A4-thin end left clamping assembly, A4-equal height pad block, A4-basic pressing assembly, A4-connecting rod, A4-fine adjustment assembly, A4-working table, B4-thick end left base block, B4-thick end right base block, B4-thin end top base block, B4-thin end left base block, B4-positioning key, B4-copper pad block, B4-fine adjustment body, B4-fine adjustment bolt, B4-pressing bolt, B4-connecting plate, B4-pressing nut, B4-washer, B4-bolt, B4-adjustable bolt, B4-standard B4-T-pressing bolt, B4-T4-C positioning bolt, B4-thick end face C positioning plate, B4-thick end face C-C positioning plate, B4-thick end face, d01-thick end, D02-thin end, D1-thick end face, D2-thick end side face, D3-thin end bottom face and D4-thick end bottom face.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, which should not be construed as limiting the scope of the invention.
The positioning device is arranged on the working table surface of the numerical control planer type milling machine and used for quickly positioning and clamping the connecting rod. Referring to fig. 1, the connecting rod includes a thick end D01 and a thin end D02, the thick end D01 includes a thick end surface D1, a thick end side surface D2 and a thick end bottom surface D4, and the thin end D02 includes a thin end bottom surface D3.
Examples
Referring to fig. 2, the positioning device is disposed on a table a10 of a numerical control planer type milling machine, and the table a10 is provided with positioning grooves along the X direction and the Y direction. The positioning device comprises a thick-end left clamping assembly A1, a thick-end right clamping assembly A2, a thin-end right clamping assembly A3, a thin-end top clamping assembly A4, a thin-end left clamping assembly A5, a fine adjustment assembly A9, an equal-height cushion block A6 and a basic pressing assembly A7.
The thick-end left clamping assembly A1, the thick-end right clamping assembly A2, the thin-end right clamping assembly A3, the thin-end top clamping assembly A4 and the thin-end left clamping assembly A5 are fixed on the workbench surface A10 through the base pressing assembly A7 and are used for positioning, placing, pressing and fixing the connecting rod A8. The thick-end left clamping assembly A1 is located on the left side of the thick end D01 of the connecting rod A8, and is provided with a thick-end face positioning face C1, shown in FIG. 4, for positioning the thick-end face D1 of the connecting rod A8; the thick-end right clamping assembly A2 is positioned on the right side of the thick end D01 of the connecting rod A8, and is provided with a thick-end face positioning surface C1 and a thick-end side surface positioning surface C2, and the thick-end side surface positioning surface C2 is used for positioning a thick-end side surface D2 of the connecting rod A8; the thin end left clamping component A5 and the thin end right clamping component A3 are respectively positioned at the left side and the right side of the thin end D02 of the connecting rod A8, and are respectively provided with a thin end bottom surface positioning surface C3 for positioning the thin end bottom surface D3 of the connecting rod A8; the thin end top clamp assembly a4 is located on the top side of the thin end D02 of the link A8. And the thick end face positioning surface C1, the thick end side surface positioning surface C2, the thin end bottom surface positioning surface C3 and the thick end bottom surface positioning surface C4 are all finely ground, so that the contact surface is ensured to be consistent with the thick end face D1, the thick end side surface D2, the thick end bottom surface D4 and the thin end bottom surface D3 of the connecting rod A8.
The two equal-height cushion blocks A6 are respectively fixed on the working table surface A10 beside the thick-end left clamping component A1 and the thick-end right clamping component A2, and the upper end of the equal-height cushion blocks A6 is provided with a thick-end bottom surface positioning surface C4 for positioning the thick-end bottom surface D4 of the connecting rod A8.
The number of the fine adjustment assemblies A9 is two, one fine adjustment assembly A9 is fixed on the thick-end left clamping assembly A1 and used for tightly propping against the thick end D01 of the connecting rod A8 and matching with a thick-end side positioning surface C2 of the thick-end right clamping assembly A2 to perform X-direction positioning on the connecting rod A8; the other fine adjustment component A9 is fixed on the thin-end jacking and clamping component A4 and used for jacking the thin end D02 of the connecting rod A8 and matching with the thick-end face positioning surfaces C1 of the thick-end left clamping component A1 and the thick-end right clamping component A2 to perform Y-direction positioning on the connecting rod A8.
Referring to fig. 3, the thick-end left clamping assembly a1 includes a thick-end left base block B1 and a pressing device above the thick-end left base block B1, referring to fig. 4, a thick-end positioning surface C1 is disposed on the thick-end left base block B1; the thick-end right clamping assembly a2 includes a thick-end right base block B2 and a pressing device above the thick-end right base block B2, please refer to fig. 4, another thick-end-face positioning surface C1 and a thick-end side positioning surface C2 are provided on the thick-end right base block B2; the thin-end right clamping assembly A3 comprises a thin-end right base block B3 and a pressing device above the thin-end right base block B3, the thin-end left clamping assembly A5 comprises a thin-end left base block B5 and a pressing device above the thin-end left base block B5, and thin-end bottom surface positioning surfaces C3 are respectively arranged on the thin-end right base block B3 and the thin-end left base block B5; the thin end top clamp assembly a4 includes a thin end top base block B4.
Thick end left side basic block B1, thick end right side basic block B2, thin end right side basic block B3, thin end top basic block B4 and the lower plane of thin end left side basic block B5 be equipped with the keyway, connect in table surface A10's constant head tank through navigation key B7 to play the positioning action.
The pressing device comprises a connecting plate B12, a pressing nut B13, a washer B14, a through bolt B15 and an adjustable cushion block B16, the through bolt B15 is vertically connected to the thick-end left base block B1, the thick-end right base block B2, the thin-end right base block B3 and the thin-end left base block B5 through threads, the connecting plate B12 penetrates through the through bolt B15, one end of the connecting plate is pressed at the upper end of the vertical adjustable cushion block B16, the other end of the connecting plate A8 is pressed at the other end of the connecting plate B3, the pressing nut B13 and the washer B14 are screwed at the upper end of the through bolt B15, and the connecting plate B12 is used for pressing and fixing the connecting rod A8. The connecting plate B12 is made of inlaid copper materials.
Referring to fig. 3, the base pressing assembly a7 includes a standard spacer B17, a T-shaped through bolt B18, and a pressing plate B19. The T-shaped through bolt B18 is connected in a positioning groove of the working table A10, the pressure plate B19 is arranged on the T-shaped through bolt B18 in a penetrating manner, one end of the pressure plate is pressed at the top end of the standard cushion block B17, the standard cushion block B17 is arranged on the working table A10, the other end of the pressure plate is pressed at the lower parts of the thick-end left base block B1, the thick-end right base block B2, the thin-end right base block B3, the thin-end top base block B4 and the thin-end left base block B5, and therefore the thick-end left clamping component A1, the thick-end right clamping component A2, the thin-end right clamping component A3, the thin-end top clamping component A4 and the thin-end left clamping component A5 are fixed on the working table A10.
Referring to fig. 3, the trimming assembly a9 includes a copper insert B8, a trimming body B9, a trimming bolt B10, and a pressing bolt B11. The fine-tuning body B9 is fixed on the thick-end left base block B1 or the thin-end top base block B4 through the hold-down bolt B11, the copper-inlaid cushion block B8 is connected on the fine-tuning body B9 through the fine-tuning bolt B10, and the copper-inlaid cushion block B8 can be pushed by rotating the fine-tuning bolt B10 to jack the connecting rod A8 tightly.
According to the positioning method for the diesel engine connecting rod on the planer type milling machine, the positioning device is quickly positioned, installed and fixed on the working table surface A10 of the numerical control planer type milling machine through the positioning key and the positioning groove, the connecting rod A8 is quickly positioned on the positioning device through the fine adjustment assembly A9, and the mechanical coordinate positions of the thick end surface D1, the thick end side surface D2, the thick end bottom surface D4 and the thin end bottom surface D3 of the connecting rod A8 are written into the numerical control system of the planer type milling machine, so that the quick zero setting and the clamping positioning of a workpiece are realized.
Referring to fig. 2, the positioning method includes the following steps:
1) the table top a10 of the planer was cleaned and coated with a thin oil.
2) And respectively installing a positioning key B7 into key grooves of the thick-end left clamping component A1, the thick-end right clamping component A2, the thin-end right clamping component A3, the thin-end top clamping component A4 and the thin-end left clamping component A5, respectively aligning and embedding the positioning keys into positioning grooves on the working table A10, respectively positioning and placing the thick-end left clamping component A1, the thick-end right clamping component A2, the thin-end right clamping component A3, the thin-end top clamping component A4 and the thin-end left clamping component A5 on the working table A10, and then compressing and fixing the components through the basic compressing component A7.
3) And two equal-height cushion blocks A6 are respectively fixed on the working table surface A10 beside the thick-end left clamping component A1 and the thick-end right clamping component A2, and the thick-end bottom surface positioning surface C4 on the upper surface is cleaned.
4) Thin oil is coated on a thick end bottom surface positioning surface C4 of the equal-height cushion block A6 and a thin end bottom surface positioning surface C3 of the thin end left clamping assembly A5 and the thin end right clamping assembly A3, then the connecting rod A8 is placed into the positioning device, so that a thick end bottom surface D4 surface of the connecting rod A8 is attached to a thick end bottom surface positioning surface C4 of the equal-height cushion block A6, a thin end bottom surface D3 is attached to a thin end bottom surface positioning surface C3 of the thin end left clamping assembly A5 and the thin end right clamping assembly A3, and a thick end surface D1 is close to a thick end surface positioning surface C1 of the thick end left clamping assembly A1 and the thick end right clamping assembly A2.
5) The fine adjustment assembly A9 is respectively installed on the thick-end left clamping assembly A1 and the thin-end top clamping assembly A4, the connecting rod A8 is tightly jacked by rotating a fine adjustment bolt B10 of the fine adjustment assembly A9, the thick end face D1 of the connecting rod A8 is attached to the thick end face positioning face C1 of the thick-end left clamping assembly A1 and the thick end face right clamping assembly A2, and the thick end face D2 is attached to the thick end face positioning face C2 of the thick end right clamping assembly A2.
6) And tightening the pressing nuts B13 of the pressing devices of the thick-end left clamping assembly A1, the thick-end right clamping assembly A2, the thin-end right clamping assembly A3 and the thin-end left clamping assembly A5 to fasten the connecting rod A8 on the positioning device.
7) And writing the mechanical coordinate positions of the thick end face D1, the thick end side face D2, the thick end bottom face D4 and the thin end bottom face D3 of the connecting rod A8 into a numerical control system of the planer type milling machine, completing the quick zero setting and clamping fixation of the connecting rod A8, and starting the machining of the connecting rod A8. When the connecting rod A8 is disassembled after machining, only the pressing device and the fine adjustment assembly A9 need to be loosened.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The scope of the invention as claimed should also include obvious modifications and alternatives to the present invention.
Claims (8)
1. A positioning device for a diesel engine connecting rod on a planer type milling machine is arranged on a working table surface of a numerical control planer type milling machine, positioning grooves along the X direction and the Y direction are formed in the working table surface, the connecting rod comprises a thick end and a thin end, the thick end comprises a thick end face, a thick end side face and a thick end bottom face, and the thin end comprises a thin end bottom face; the method is characterized in that: the positioning device comprises a thick-end left clamping assembly, a thick-end right clamping assembly, a thin-end top clamping assembly, a thin-end left clamping assembly, a fine adjustment assembly, equal-height cushion blocks and a foundation pressing assembly;
the thick end left clamping component, the thick end right clamping component, the thin end top clamping component and the thin end left clamping component are fixed on the worktable surface through the foundation pressing component, the thick end left clamping assembly is positioned at the left side of the thick end of the connecting rod and is provided with a thick end face positioning surface for positioning the thick end face of the connecting rod, the thick end right clamping assembly is positioned on the right side of the thick end of the connecting rod and is provided with a thick end face positioning surface and a thick end side surface positioning surface for positioning the thick end side surface of the connecting rod, the thin end left clamping assembly and the thin end right clamping assembly are respectively positioned on the left side and the right side of the thin end of the connecting rod and are respectively provided with a thin end bottom surface positioning surface for positioning the thin end bottom surface of the connecting rod, and the thin end top clamping assembly is positioned on the top side of the thin end of the connecting rod;
the two equal-height cushion blocks are respectively fixed on the working table surfaces beside the thick-end left clamping assembly and the thick-end right clamping assembly, and the upper ends of the equal-height cushion blocks are provided with thick-end bottom surface positioning surfaces for positioning the thick-end bottom surfaces of the connecting rods;
one the fine tuning assembly is fixed on the thick-end left clamping assembly and used for tightly supporting the thick end of the connecting rod, the thick end side face positioning face of the thick-end right clamping assembly is matched with the thick end side face positioning face of the thick-end right clamping assembly, the connecting rod is positioned in the X direction, the other one of the fine tuning assembly is fixed on the thin-end top clamping assembly and used for tightly supporting the thin end of the connecting rod, the thick end face positioning face of the thick-end left clamping assembly is matched with the thick end face positioning face of the thick-end right clamping assembly, and the connecting rod is positioned in the Y direction.
2. The positioning device for the diesel engine connecting rod on the planomiller according to claim 1, characterized in that: the thick-end left clamping assembly comprises a thick-end left base block and a pressing device above the thick-end left base block, one thick-end face positioning face is arranged on the thick-end left base block, the thick-end right clamping assembly comprises a thick-end right base block and a pressing device above the thick-end right base block, the thick-end side face positioning face and the other thick-end face positioning face are arranged on the thick-end right base block, the thin-end right clamping assembly comprises a thin-end right base block and a pressing device above the thin-end right base block, the thin-end left clamping assembly comprises a thin-end left base block and a pressing device above the thin-end left base block, two thin-end bottom surface positioning faces are respectively arranged on the thin-end right base block and the thin-end left base block, and the thin-end top clamping assembly comprises a thin-end top base block;
the compressing device comprises a connecting plate, a compressing nut, a gasket, a through bolt and an adjustable cushion block, wherein the through bolt is respectively vertically connected to the thick-end left-side base block, the thick-end right-side base block, the thin-end right-side base block and the thin-end left-side base block, the connecting plate is arranged on the through bolt in a penetrating mode, one end of the connecting plate is pressed at the upper end of the vertical adjustable cushion block, the other end of the connecting plate is pressed on the connecting rod, the compressing nut and the gasket are screwed up to the upper end of the through bolt, and the connecting plate is used for compressing and fixing the connecting rod.
3. The positioning device for the diesel engine connecting rod on the planomiller according to claim 2, characterized in that: the lower plane of thick end left side foundation piece, thick end right side foundation piece, thin end top foundation piece and thin end left side foundation piece be equipped with the keyway, connect in through the navigation key in table surface's constant head tank to play quick positioning action.
4. The positioning device for the diesel engine connecting rod on the planomiller according to claim 2, characterized in that: the foundation compression assembly comprises a standard cushion block, a T-shaped through bolt and a pressing plate; t type through bolt connect in table surface's constant head tank, on this T type through bolt was worn to arrange in to the clamp plate, one end was pressed and is being put on table surface's last standard cushion's top, the other end is pressed respectively thick end left side foundation block, thick end right side foundation block, thin end top foundation block and the lower part of thin end left side foundation block, thereby will thick end left side clamping subassembly, thick end right side clamping subassembly, thin end top clamping subassembly and thin end left side clamping subassembly are fixed in table surface is last.
5. The positioning device for the diesel engine connecting rod on the planomiller according to claim 2, characterized in that: the fine adjustment assembly comprises a copper-inlaid cushion block, a fine adjustment body, a fine adjustment bolt and a compression bolt; this fine setting body passes through hold-down bolt is fixed in respectively on thick end left side foundation piece and the thin end top foundation piece, inlay the copper cushion and pass through fine setting bolted connection in on the fine setting body, rotatory this fine setting bolt promotes inlay the copper cushion with the top tight the connecting rod.
6. The positioning device for the diesel engine connecting rod on the planomiller according to claim 2, characterized in that: the connecting plate is made of inlaid copper materials.
7. A method for positioning a diesel engine connecting rod on a planer type milling machine by adopting the positioning device of claim 2, which is characterized in that: the positioning device is quickly positioned and installed and fixed on the working table surface of the numerical control planer type milling machine through a positioning key and a positioning groove, the connecting rod is quickly positioned on the positioning device through the fine adjustment assembly, and the mechanical coordinate positions of the thick end face, the thick end side face, the thick end bottom face and the thin end bottom face of the connecting rod are written into a numerical control system of the planer type milling machine, so that the quick zero setting, clamping and positioning of workpieces are realized.
8. The positioning method for the diesel engine connecting rod on the planomiller according to claim 7, characterized in that: the positioning method comprises the following steps:
1) cleaning the working table surface of the planer type milling machine and coating thin oil;
2) positioning keys are respectively arranged in key grooves of the thick-end left clamping assembly, the thick-end right clamping assembly, the thin-end top clamping assembly and the thin-end left clamping assembly and are respectively aligned with and embedded into positioning grooves on the working table surface, so that the thick-end left clamping assembly, the thick-end right clamping assembly, the thin-end top clamping assembly and the thin-end left clamping assembly are respectively positioned and placed on the working table surface, and then are compressed and fixed through a basic compressing assembly;
3) fixing the two equal-height cushion blocks on the workbench surfaces beside the thick-end left clamping assembly and the thick-end right clamping assembly respectively, and cleaning the positioning surface of the bottom surface of the thick end;
4) coating thin oil on the thick end bottom surface positioning surfaces of the equal-height cushion blocks and the thin end bottom surface positioning surfaces of the thin end left clamping assembly and the thin end right clamping assembly, then placing the connecting rod into the positioning device, enabling the thick end bottom surface of the connecting rod to be attached to the thick end bottom surface positioning surfaces of the equal-height cushion blocks, enabling the thin end bottom surfaces to be attached to the thin end bottom surface positioning surfaces of the thin end left clamping assembly and the thin end right clamping assembly, and enabling the thick end surface to be close to the thick end surface positioning surfaces of the thick end left clamping assembly and the thick end right clamping assembly;
5) the fine adjustment assembly is respectively arranged on the thick-end left clamping assembly and the thin-end top clamping assembly, the connecting rod is tightly jacked by rotating the fine adjustment assembly, the thick-end face is respectively attached to the thick-end face positioning faces of the thick-end left clamping assembly and the thick-end right clamping assembly, and the thick-end side face is attached to the thick-end side face positioning face of the thick-end right clamping assembly;
6) tightening the pressing devices of the thick-end left clamping assembly, the thick-end right clamping assembly, the thin-end right clamping assembly and the thin-end left clamping assembly to fasten the connecting rod on the positioning device;
7) and writing the mechanical coordinate positions of the thick end face, the thick end side face, the thick end bottom face and the thin end bottom face of the connecting rod into a numerical control system of the planer type milling machine, completing the quick zero setting, clamping and fixing of the connecting rod, and starting the machining of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210795604.4A CN114952347B (en) | 2022-07-06 | 2022-07-06 | Positioning device and method for diesel engine connecting rod on planer type milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210795604.4A CN114952347B (en) | 2022-07-06 | 2022-07-06 | Positioning device and method for diesel engine connecting rod on planer type milling machine |
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| CN114952347A true CN114952347A (en) | 2022-08-30 |
| CN114952347B CN114952347B (en) | 2024-04-05 |
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| CN114952347B (en) | 2024-04-05 |
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