Copying milling device for special-shaped hole of electronic injection pump

Abstract

The utility model relates to the technical field of machining, and discloses an electronic injection pump special-shaped hole copying milling device which comprises a copying table, a cantilever unit and a lifting table located below the copying table, a copying base plate is arranged on the copying table in a sliding mode, two special-shaped holes are formed in the copying base plate, an electric milling cutter and a guide rod are installed on the cantilever unit, and the lifting table is located below the cantilever unit. The cantilever unit can drive the electric milling cutter and the guide rod to move horizontally, the electric milling cutter penetrates through one special-shaped hole, the bottom of the guide rod penetrates through the other special-shaped hole, and a connecting rod is fixedly connected between the guide rod and the electric milling cutter. The utility model provides the profiling milling device capable of accurately drilling matched hole sites.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a profiling milling device for special-shaped holes of an electric injection pump. Background Art

[0002] As a key component for fuel storage and transportation, the material and manufacturing process of the automobile fuel tank directly affect the safety, fuel efficiency and environmental adaptability of the vehicle. At present, the automobile fuel tanks on the market are mainly made of metal, plastic and composite materials. Plastic fuel tanks are mainly produced and plasticized by blow molding. The formed fuel tanks are trimmed to remove excess plastic, and pressure tests and sealing tests are performed to ensure that the quality meets the standards. Some of the connection interfaces between the electric fuel pumps and fuel tanks on the market are special-shaped. In order to ensure that they can be tightly connected with the above-mentioned electric fuel pumps, it is necessary to open holes on the fuel tank that match the above-mentioned special-shaped interfaces. Therefore, it is necessary to provide a profiling milling device that can accurately open matching holes. Utility Model Content

[0003] The utility model aims to provide a profiling milling device for special-shaped holes of an electric injection pump, so as to provide a profiling milling device which can accurately open matching hole positions.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric fuel injection pump special-shaped hole profiling milling device, comprising a profiling table, a cantilever unit and a lifting platform located below the profiling table, a profiling base plate is slidably provided on the profiling table, two special-shaped holes are opened on the profiling base plate, an electric milling cutter and a guide rod are installed on the cantilever unit, the cantilever unit can drive the electric milling cutter and the guide rod to move horizontally, the electric milling cutter passes through one of the special-shaped holes, the bottom of the guide rod passes through the other special-shaped hole, and a connecting rod is fixedly connected between the guide rod and the electric milling cutter.

[0005] The beneficial effects of this program are:

[0006] When used in this technical solution, the electric milling cutter is passed through one of the special-shaped holes, and the bottom of the guide rod is passed through the other special-shaped hole. The electric milling cutter and the guide rod are both installed on the cantilever unit. A connecting rod is fixedly connected between the guide rod and the electric milling cutter. The oil tank is placed on the lifting platform, and the bottom of the guide rod is inserted into the special-shaped hole. The lifting platform is started to drive the oil tank upward, and the electric milling cutter is turned on. The operator holds the guide rod and slides along the edge of the special-shaped hole, thereby driving the electric milling cutter and the guide rod to move synchronously to process the special-shaped hole, ensuring that the milling cutter moves along a predetermined trajectory, thereby achieving high-precision hole processing. The profiling substrate is slidably set on the profiling platform, which is convenient for adjusting the position in the later stage and for replacing other profiling substrates, and can be used for processing special-shaped holes of other shapes. The electric milling cutter and the guide rod are supported by the cantilever unit to ensure the stability of the electric milling cutter during the horizontal movement, to ensure continuous and smooth processing, and to improve the overall processing efficiency.

[0007] Preferably, as an improvement, the cantilever unit includes a vertical pole and two groups of support arms, each group of support arms includes at least two hinged rocker arms, one end of the two groups of support arms are rotatably connected to the vertical pole, the end of one group of support arms is rotatably connected to the guide rod, and the end of the other group of support arms is fixedly connected to the electric milling cutter.

[0008] The beneficial effects are as follows: each set of support arms includes two hinged rocker arms, which increase the freedom of movement, allowing the guide rod and the electric milling cutter to move flexibly in a larger range to adapt to different processing positions and paths. The vertical rod and the support arm support the electric milling cutter, so that the electric milling cutter can be pushed with less force, and the position of the electric milling cutter and the guide rod can be easily adjusted, reducing the difficulty of operation, increasing the processing speed, and improving the processing accuracy to a certain extent. Through the flexible adjustment of the support arm and the rocker arm, the guide rod can accurately follow the edge of the special-shaped hole on the profiling substrate to ensure that the processing path of the electric milling cutter is accurate; the stable support structure and independent motion control ensure that the cutting depth is consistent, the edge is smooth, and the shape and size of the hole meet the requirements.

[0009] Preferably, as an improvement, a sliding hole is opened on the profiling table, the profiling substrate is slidably connected to the sliding hole, and the profiling table is provided with at least two clamping parts for clamping the profiling substrate, the clamping parts include a clamping block and a pressure rod, and the pressure rod is threadedly connected to the clamping block and the profiling table.

[0010] The beneficial effects are: using a clamping block and a pressure rod to fix the contoured substrate, so that it remains stable during the processing, the contoured substrate will not shift during the processing, reducing the processing risk caused by loose substrate, improving operational safety, and thus ensuring that the electric milling cutter cuts accurately according to the predetermined path, thereby improving processing accuracy.

[0011] Preferably, as an improvement, it also includes a frame, on which are fixed at least two limit rods and a first cylinder for driving the lifting platform to rise and fall, the limit rod passes through the lifting platform and is slidably connected thereto, a sliding hole is provided on the lifting platform for the limit rod to pass through, and the end of the limit rod is fixedly connected to the contouring platform.

[0012] The beneficial effects are: a frame is set to support the lifting platform, a guide for the limit rod and a drive for the first cylinder are set, so that the lifting platform can perform lifting movements stably and accurately, avoiding the tilting and shaking of the lifting platform that may occur during the lifting process, ensuring that the positioning accuracy and cutting depth of the electric milling cutter are consistent during the processing, and the stable support structure and precise motion control reduce the errors that may occur during the processing, ensuring that the size and shape of each processed hole meet the requirements.

[0013] Preferably, as an improvement, a pressure plate is slidably provided on the lifting platform, a second cylinder is provided at the bottom of the lifting platform, a pull rod is connected to the end of the second cylinder, and the pull rod passes through the lifting platform and is fixedly connected to the pressure plate.

[0014] The beneficial effects are: the pressing plate can be used to press down to initially fix the oil tank, so that the oil tank can move smoothly as it follows the lifting platform up. At the same time, it can help ensure the stability of the oil tank's position during the milling process and ensure the smooth processing of special-shaped holes. The pressing plate is driven by the second cylinder to firmly fix the oil tank on the lifting platform to prevent displacement during processing.

[0015] Preferably, as an improvement, a limiting sleeve slidably connected to the limiting rod is fixed on the sliding hole.

[0016] The beneficial effects are: the limit sleeve is fixed on the sliding hole and slidably connected with the limit rod, which can effectively guide and limit the movement of the limit rod, ensure that it slides smoothly along the limit rod, enhance the stability of the overall structure, reduce the shaking and deviation of the limit rod, ensure that the lifting platform remains level during the lifting process, and improve the stability of the processing.

[0017] Preferably, as an improvement, the cross section of the pressing block is L-shaped.

[0018] The beneficial effect is that the conventionally used clamping block is in the shape of a straight plate, which will be worn out after long-term use and it will be difficult to press the contoured substrate, causing the contoured substrate to slide during use. By setting a clamping block with an L-shaped cross-section, the end of the clamping block will be tightly pressed against the contoured substrate after being locked. Even if wear occurs, it only needs to adjust the pressure rod to further lock it.

[0019] Preferably, as an improvement, a guide needle is clamped at the bottom of the guide rod.

[0020] The beneficial effect is that the guide pin can better fit the shape of the special-shaped hole, thereby improving the processing accuracy of the milling cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0022] Figure 2 A schematic diagram of the detailed structure of the guide rod of an embodiment of the utility model;

[0023] Figure 3 It is a schematic diagram of another viewing angle of an embodiment of the utility model. DETAILED DESCRIPTION

[0024] The following is further described in detail through specific implementation methods:

[0025] The figure marks in the drawings of the specification include: profiling table 1, lifting platform 2, profiling base plate 3, special-shaped hole 4, electric milling cutter 5, guide rod 6, connecting rod 7, rocker arm 8, sliding hole 9, clamping block 10, pressure rod 11, limiting rod 12, first cylinder 13, pressure plate 14, second cylinder 15, pull rod 16, limiting sleeve 17, guide pin 18, and vertical rod 19.

[0026] Example

[0027] The embodiment is basically as follows Figure 1-Figure 3 As shown, Figure 1 and Figure 2 The device for profiling the special-shaped hole 4 of the electric fuel injection pump shown in the figure comprises a profiling platform 1, a cantilever unit and a lifting platform 2 located below the profiling platform 1. A profiling base plate 3 is slidably provided on the profiling platform 1. Two special-shaped holes 4 are arranged on the profiling base plate 3. An electric milling cutter 5 and a guide rod 6 are installed on the cantilever unit. A guide pin 18 is clamped at the bottom of the guide rod 6. The guide pin 18 can better fit the shape of the special-shaped hole 4 and improve the processing accuracy of the milling cutter. The cantilever unit can drive the electric milling cutter 5 and the guide rod 6 to move horizontally. The electric milling cutter 5 passes through one of the special-shaped holes 4. The bottom of the guide rod 6 passes through the other special-shaped hole 4. A connecting rod 7 is fixedly connected between the guide rod 6 and the electric milling cutter 5. A sliding hole 9 is provided on the profiling table 1, and the profiling base plate 3 is slidably connected with the sliding hole 9. The profiling table 1 is provided with at least two pressing parts for pressing the profiling base plate 3, and the pressing part includes a pressing block 10 and a pressing rod 11. The pressing rod 11 is threadedly connected with the pressing block 10 and the profiling table 1. The cross-section of the pressing block 10 is L-shaped. The fixing of the profiling base plate 3 using the pressing block 10 and the pressing rod 11 can keep it stable during the processing, and the profiling base plate 3 will not shift during the processing, reducing the processing risk caused by the loosening of the base plate. The conventionally used pressing block 10 is in the shape of a straight plate, which will be worn after long-term use, and it is difficult to press the profiling base plate 3, so that the profiling base plate 3 may slide when in use. By setting the pressing block 10 with an L-shaped cross-section, the end of the pressing block 10 will be tightly against the profiling base plate 3 after being locked. At the same time, even if wear occurs, it only needs to adjust the pressing rod 11 for further locking.

[0028] like Figure 3As shown, the cantilever unit includes a vertical pole 19 and two groups of supporting arms, each group of supporting arms includes at least two hinged rocker arms 8. In this embodiment, each group of supporting arms includes two rocker arms 8, and the two rocker arms 8 are horizontally rotatably connected. One end of the two groups of supporting arms is rotatably connected to the vertical pole 19, the end of one group of supporting arms is rotatably connected to the guide rod 6, and the end of the other group of supporting arms is fixedly connected to the electric milling cutter 5. The two rocker arms 8 increase the freedom of movement, allowing the guide rod 6 and the electric milling cutter 5 to move flexibly within a larger range to adapt to different processing positions and paths. The vertical pole 19 and the supporting arms are provided to support the electric milling cutter 5, so that the electric milling cutter 5 can be pushed with a smaller force, and the positions of the electric milling cutter 5 and the guide rod 6 can be easily adjusted, thereby reducing the difficulty of operation, improving the processing speed, and improving the processing accuracy to a certain extent. It also includes a frame, on which at least two limit rods 12 and a first cylinder 13 for driving the lifting platform 2 to move up and down are fixed, the limit rod 12 passes through the lifting platform 2 and is slidably connected thereto, a sliding hole is provided on the lifting platform 2 for the limit rod 12 to pass through, and a limit sleeve 17 slidably connected to the limit rod 12 is fixed on the sliding hole, which can effectively guide and limit the movement of the limit rod 12 and ensure that it slides smoothly along the limit rod 12. The end of the limit rod 12 is fixedly connected to the profiling platform 1, and the driving of the first cylinder 13 enables the lifting platform 2 to stably and accurately perform lifting and lowering movements, avoiding the possible tilting and shaking of the lifting platform 2 during the lifting process, and ensuring that the positioning accuracy and cutting depth of the electric milling cutter 5 are consistent during the processing. A pressing plate 14 is slidingly provided on the lifting platform 2, and a second cylinder 15 is provided at the bottom of the lifting platform 2. A pull rod 16 is connected to the end of the second cylinder 15. The pull rod 16 passes through the lifting platform 2 and is fixedly connected to the pressing plate 14. The pressing plate 14 can be used to press down to preliminarily fix the oil tank, so that the oil tank can move smoothly while following the lifting platform 2 to rise. At the same time, it can help to ensure the stability of the oil tank position during the milling process and ensure the smooth processing of the special-shaped hole 4. The pressing plate 14 is driven by the second cylinder 15, so that it can firmly fix the oil tank on the lifting platform 2 to prevent displacement during the processing.

[0029] The specific implementation process is as follows:

[0030] When used in this technical solution, the electric milling cutter 5 is passed through one of the special-shaped holes 4, and the bottom of the guide rod 6 is passed through another special-shaped hole 4, and the electric milling cutter 5 and the guide rod 6 are both installed on the cantilever unit, and a connecting rod 7 is fixedly connected between the guide rod 6 and the electric milling cutter 5, the oil tank is placed on the lifting platform 2, and the bottom of the guide rod 6 is inserted into the special-shaped hole 4, and the lifting platform 2 is started to drive the oil tank upward, and the electric milling cutter 5 is turned on. The operator holds the guide rod 6 and slides along the edge of the special-shaped hole 4, and then drives the electric milling cutter 5 and the guide rod 6 to move synchronously to process the special-shaped hole 4, ensuring that the milling cutter moves along a predetermined trajectory, thereby achieving high-precision hole processing, and the profiling substrate 3 is slidably set on the profiling platform 1, which is convenient for the later position adjustment and the replacement of other profiling substrates 3, and can be used for processing special-shaped holes 4 of other shapes. The electric milling cutter 5 and the guide rod 6 are supported by the cantilever unit to ensure the stability of the electric milling cutter 5 during the horizontal movement, and to ensure that the processing can be carried out continuously and smoothly, thereby improving the overall processing efficiency.

[0031] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. The EFI pump special-shaped hole profiling milling device is characterized by: The utility model comprises a profiling table, a cantilever unit and a lifting platform located under the profiling table. A profiling base plate is slidably provided on the profiling table, two special-shaped holes are provided on the profiling base plate, an electric milling cutter and a guide rod are installed on the cantilever unit, and the cantilever unit can drive the electric milling cutter and the guide rod to move horizontally. The electric milling cutter passes through one of the special-shaped holes, and the bottom of the guide rod passes through the other special-shaped hole. A connecting rod is fixedly connected between the guide rod and the electric milling cutter.

2. The EFI pump special-shaped hole profiling milling device according to claim 1, characterized in that: The cantilever unit includes a vertical pole and two groups of supporting arms, each group of supporting arms includes at least two hinged rocker arms, one end of the two groups of supporting arms is rotatably connected to the vertical pole, the end of one group of supporting arms is rotatably connected to the guide rod, and the end of the other group of supporting arms is fixedly connected to the electric milling cutter.

3. The EFI pump special-shaped hole profiling device according to claim 2, characterized in that: The profiling table is provided with a sliding hole, the profiling base plate is slidably connected with the sliding hole, the profiling table is provided with at least two pressing parts for pressing the profiling base plate, the pressing parts include a pressing block and a pressing rod, and the pressing rod is threadedly connected with the pressing block and the profiling table.

4. The EFI pump special-shaped hole profiling device according to claim 3, characterized in that: It also includes a frame, on which at least two limit rods and a first cylinder for driving the lifting platform to rise and fall are fixed, the limit rods pass through the lifting platform and are slidably connected thereto, a sliding hole is provided on the lifting platform for the limit rods to pass through, and the end of the limit rods is fixedly connected to the profiling platform.

5. The EFI pump special-shaped hole profiling milling device according to claim 4, characterized in that: A pressing plate is slidably provided on the lifting platform, a second cylinder is provided at the bottom of the lifting platform, a pull rod is connected to the end of the second cylinder, and the pull rod passes through the lifting platform and is fixedly connected to the pressing plate.

6. The device for profiling the special-shaped holes of an electric fuel injection pump according to claim 5, characterized in that: A limiting sleeve slidably connected with the limiting rod is fixed on the sliding hole.

7. The EFI pump special-shaped hole profiling milling device according to claim 6, characterized in that: The cross section of the pressing block is L-shaped.

8. The device for profiling the special-shaped holes of an electric fuel injection pump according to claim 7, characterized in that: A guide pin is clamped at the bottom of the guide rod.

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