A fuel pipe assembly mounting apparatus and mounting method

Abstract

The application discloses a fuel pipe assembly installation equipment and installation method, comprising: an assembly clamp, comprising a clamp support, a second end being provided with a material taking clamp, the material taking clamp comprising a first supporting part, a first pressing part and a first driving part, the first driving part being used for driving the first pressing part to cooperate with the first supporting part to clamp the fuel pipe assembly, the clamp support extending from a first edge to a second edge in a width direction, at least one of the first edge and the second edge being provided with a press fitting clamp, the press fitting clamp comprising a second supporting part, a second pressing part and a second driving part, the second driving part being used for driving the second pressing part to cooperate with the second supporting part to clamp the fuel pipe assembly, the clamp support being provided with a righting clamp jaw at the bottom of the second supporting part and being used for righting each fuel nozzle of the fuel pipe assembly. The quality of the fuel pipe assembly is greatly reduced due to the interference between the fuel pipe assembly and the cylinder cover stud, and the first qualified rate of the fuel pipe assembly press fitting is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of engines, and in particular to a fuel line assembly installation device and installation method. Background Technology

[0002] As a crucial component of the fuel system in a direct injection engine, the engine fuel line assembly involves a complex press-fit process, high component costs, and is a single-use part. The fuel line assembly components include a common fuel rail, a mounting flange, a housing, spring clips, fuel injectors, sealing rings, and sealing ring sleeves. During press-fitting, double-ended studs on the cylinder head initially act as guides. After the mounting flange passes through the studs, the fuel injectors and sealing rings enter the injector mounting holes in the cylinder head until the mounting flange contacts the intake surface of the cylinder head, completing the press-fitting process.

[0003] The existing technology has the following problems when press-fitting engine fuel line assemblies:

[0004] First, the fuel injector and spring clip of the engine fuel line assembly are not completely fixed and can rotate 360° around the center of the spring clip. The position of the fuel injector of the engine fuel line assembly is not fixed in the left, right, front and back. During press-fitting, it is impossible to accurately install the fuel injector and sealing ring into the injector mounting hole of the cylinder head.

[0005] Second, the sealing ring sleeve needs to be removed before the engine fuel line assembly is press-fitted. The existing method of removing the sealing ring sleeve is time-consuming and labor-intensive, which affects the efficiency of automated press-fitting of the engine fuel line assembly.

[0006] Third, in the existing technology, the engine fuel pipe assembly is generally placed on the press plate, and the press plate carries the engine fuel pipe assembly to perform the press-fitting action. When it is placed on the press plate, occasionally the assembly fails to be locked between the two positioning balls of the press plate, the assembly is misaligned, the fixing flange collides with the double-ended stud, resulting in press-fitting failure, causing defects in the process, and affecting the operation of the equipment. Summary of the Invention

[0007] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a fuel pipe assembly installation device and installation method.

[0008] The technical solution adopted by this invention to solve its technical problem is:

[0009] In a first aspect, a fuel line assembly installation device includes:

[0010] An assembly fixture includes a fixture bracket extending along its length from a first end to a second end. The second end is provided with a material-picking fixture, which includes a first support member, a first clamping member, and a first driving member. The first support member extends outward along the length of the fixture bracket and has a first limiting groove that mates with the outer surface of a fuel injector to provide a limiting position. The first driving member drives the first clamping member to mate with the first support member to clamp the fixing flange of the fuel line assembly. The fixture bracket extends along its width from a first edge to a second edge... The first edge and at least one of the second edge are provided with a press-fitting clamp. The press-fitting clamp includes a second support member, a second clamping member and a second driving member. The second support member extends outward along the width direction of the clamp bracket. The second support member is provided with a second limiting groove that cooperates with the outer surface of the fuel injector to provide a limit. The second driving member is used to drive the second clamping member to cooperate with the second support member to clamp the fixing flange of the fuel pipe assembly. The clamp bracket is provided with a straightening claw at the bottom of the second support member for straightening each fuel injector of the fuel pipe assembly.

[0011] In conjunction with the first aspect, in some implementations of the first aspect, the first clamping member has a first locating pin on its clamping surface for engaging with a flange hole of the fixed flange, and the second clamping member has a second locating pin on its clamping surface for engaging with a flange hole of the fixed flange.

[0012] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the output end of the second driving component is provided with a pressing cylinder flange plate, the second pressing component is mounted on the pressing cylinder flange plate via a guide rail slider, and the pressing cylinder flange plate is provided with a third driving component that drives the second pressing component to adjust its position along the width direction of the second supporting component.

[0013] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the straightening gripper includes a pneumatic gripper, the pneumatic gripper having grippers that hold the fuel injector of the fuel pipe assembly from both sides along the length direction of the clamping bracket, and the gripper having a rear positioning block that abuts against the fuel injector of the fuel pipe assembly from the rear side along the width direction of the clamping bracket.

[0014] In conjunction with the first aspect and the above implementation methods, some implementation methods of the first aspect also include:

[0015] The cap removal device includes a top plate, a pressure plate, a fourth drive component, and a bottom plate. The top plate and the bottom plate are spaced apart in the height direction. The pressure plate is disposed between the top plate and the bottom plate. The top plate extends along the length direction. One side edge of the top plate is provided with multiple limiting grooves for the fuel injector to be inserted along the fuel line assembly. The pressure plate is provided with a pressure plate groove below the limiting grooves. The fourth drive component is used to drive the pressure plate to descend so as to detach the sealing ring sleeve of the fuel injector from the fuel injector through the pressure plate groove.

[0016] In combination with the first aspect and the above-described implementations, in some implementations of the first aspect, the cap-removing device further includes a detection sensor, a recycling channel, a pusher, and a fifth driving component. The detection sensor is located behind the pressure plate and is used to detect the presence information of the sealing ring sleeves in each pressure plate groove of the pressure plate that descends to the bottom plate. The recycling channel is connected to the bottom plate. The fifth driving component is used to drive the pusher to push the sealing ring sleeves in each pressure plate groove of the pressure plate to the recycling channel.

[0017] In conjunction with the first aspect and the above implementation methods, some implementation methods of the first aspect also include:

[0018] The transfer frame is provided with a third support component for supporting the fixed flange of the fuel pipe assembly. The third support component is provided with a third locating pin for engaging with the flange hole of the fixed flange. A limiting strip is provided on the transfer frame below the third support component. The limiting strip extends along the distribution direction of the fuel injectors of the fuel pipe assembly placed on the transfer frame. The limiting strip is used to partially align the fuel injectors when the fuel pipe assembly is placed on the transfer frame.

[0019] Secondly, a method for installing a fuel line assembly, using a fuel line assembly installation device as described in any of the above implementations, includes the following steps:

[0020] In the material handling step, the robot drives the assembly gripper to a material handling posture and uses the material handling gripper to remove the fuel pipe assembly from the hopper;

[0021] The procedure for removing the cap involves removing the sealing ring sleeve from the fuel line assembly.

[0022] In the transfer step, the robot drives the assembly fixture to transfer the fuel pipe assembly to the transfer frame. The material handling fixture separates from the fuel pipe assembly. The robot drives the assembly fixture to switch to the pressing posture and uses the pressing fixture to pick up the fuel pipe assembly from the transfer frame. The clamping jaws are then aligned and the fuel injectors of the fuel pipe assembly are straightened.

[0023] In the pressing step, the robot moves to insert the fuel pipe assembly through the cylinder head double-ended studs into the cylinder head, straightens the gripper, releases the second drive component, the pressing fixture exits the pressing position, and the fuel pipe assembly falls into the injector mounting hole of the cylinder head.

[0024] In conjunction with the second aspect, in some implementations of the second aspect, the fuel pipe assembly installation equipment as described in some implementations of the first aspect is used in the cap removal step. The robot moves the fuel pipe assembly above the cap removal device, so that the fuel pipe assembly injector and sealing ring sleeve enter the pressure plate groove. The pressure plate moves downward under the drive of the fourth drive component, detaching the sealing ring sleeve from the injector. The pressure plate presses the sealing ring sleeve onto the base plate. The rear detection sensor detects whether the sealing ring sleeve has detached from the injector and remains on the base plate. If all the sealing ring sleeves have detached from the injector, the pressure plate moves upward to the original position under the drive of the cylinder. The rear pusher moves forward under the action of the fifth drive component, pushing the sealing ring sleeve into the recovery channel and retracting it.

[0025] In conjunction with the second aspect, in some implementations of the second aspect, the transfer step employs a fuel pipe assembly installation device as described in some implementations of the first aspect. After the robot drives the assembly fixture to switch to the pressing posture, according to the specific model information, the third drive component adjusts the position of the second pressing component along the width direction of the second support component. The pressing fixture performs a clamping action, causing the second positioning pin to enter the flange hole of the fixed flange. The robot uses the pressing fixture to clamp the fuel pipe assembly from the transfer frame.

[0026] One of the above technical solutions has at least one of the following advantages or beneficial effects: By adopting the technical solution of the present invention, different postures are switched between the assembly fixture during material handling and during pressing, allowing the fuel pipe assembly to be directly placed into the injector mounting hole in the cylinder head by the double-ended bolts held by the assembly fixture. Simultaneously, without changing the existing material bin size and material handling method, the coordinated action of the material handling fixture and the pressing fixture ensures accurate fixture positioning. Combined with the straightening jaws, this ensures that the injector's posture does not sway left, right, forward, or backward, greatly reducing quality defects caused by interference between the fuel pipe assembly and the cylinder head double-ended studs, and effectively improving the first-pass yield of the fuel pipe assembly pressing.

[0027] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0029] Figure 1 This is a schematic diagram of the top structure of the assembly clamp, representing an embodiment of the fuel pipe assembly installation device of the present invention.

[0030] Figure 2 yes Figure 1 A schematic diagram of the bottom structure of one embodiment is shown;

[0031] Figure 3 yes Figure 1 A schematic diagram of the cap-removing device structure of one embodiment is shown;

[0032] Figure 4 yes Figure 1 The diagram shows a schematic of the cap-removing device and the transfer frame structure in one embodiment.

[0033] Figure 5 yes Figure 1 A schematic diagram of the rear structure of a cap-removing device in one embodiment is shown. Detailed Implementation

[0034] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0035] In this invention, when directions (up, down, left, right, front, and back) are described, it is only for the convenience of describing the technical solution of this invention, and does not indicate or imply that the technical features referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this invention.

[0036] In this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," "exceeding," etc., are understood to exclude the stated number; "above," "below," "within," etc., are understood to include the stated number. In the description of this invention, the terms "first" and "second" are used only to distinguish technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0037] In this invention, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; a fixed connection, a detachable connection, or an integrally formed connection; a mechanical connection, an electrical connection, or a connection capable of mutual communication; or the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this invention based on the specific content of the technical solution.

[0038] The embodiments of the present invention are illustrated using a fuel line assembly 200 having four fuel injectors as an example.

[0039] See Figure 1 , Figure 2 This invention provides a fuel pipe assembly installation device, including an assembly fixture 100. The assembly fixture 100 can be connected to a robot during use and its posture can be switched and its position adjusted by the robot. The assembly fixture 100 includes a fixture support 101 extending along its length from a first end to a second end. The first end has a robot flange plate 102 for direct connection to a robot arm, and the second end has a material-picking fixture for fixing the fuel pipe assembly 200 onto the robot assembly fixture 100 when the assembly fixture 100 removes the fuel pipe assembly 200 from the material rack. The material handling fixture includes a first support component 103, a first clamping component 104, and a first driving component 105. The first support component 103 extends outward along the length of the fixture bracket 101. The first support component 103 is provided with a first limiting groove 106 that cooperates with the outer surface of the fuel injector 201 to provide a limit. The first support component 103 is generally toothed. The first driving component 105 is used to drive the first clamping component 104 to cooperate with the first support component 103 to clamp the fixed flange 202 of the fuel pipe assembly 200. The first driving component 105 can be a cylinder or the like.

[0040] Combination Figure 1 , Figure 2 When the fuel pipe assembly 200 is removed from the rack, it is limited by the housing of the No. 2 and No. 3 fuel injectors 201 and the end face of the fixed flange 202. After removal, the first drive component 105 is activated, and the first clamping component 104 and the first support component 103 clamp the housing of the fuel pipe assembly 200, and the fuel pipe assembly 200 is fixed on the robot fixture.

[0041] See Figure 1 , Figure 2The clamp bracket 101 extends from the first edge to the second edge along the width direction. At least one of the first edge and the second edge is provided with a press-fit clamp. The press-fit clamp is used to clamp the fuel pipe assembly 200 and place it into the injector mounting hole of the cylinder head after the assembly clamp 100 changes position. The press-fit clamp includes a second support member 107, a second clamping member 108 and a second drive member 109. The second support member 107 extends outward along the width direction of the clamp bracket 101. The second support member 107 is provided with a second limiting groove 110 that cooperates with the outer surface of the injector 201 to provide a limit. The second drive member 109 is used to drive the second clamping member 108 to cooperate with the second support member 107 to clamp the fixing flange 202 of the fuel pipe assembly 200. The second drive member 109 may be a cylinder or the like.

[0042] Due to the inconsistent orientation of the fuel line assembly 200 and injector 201, there is a tendency for the fuel line to sway left, right, forward, and backward. During press-fitting, a mechanism is required to straighten it. (See [reference needed]). Figure 2 The clamp bracket 101 is provided with a straightening clamp 111 at the bottom of the second support component 107 for straightening each fuel injector 201 of the fuel pipe assembly 200.

[0043] By adopting the technical solution of this invention, the assembly fixture 100 can switch between different postures during material handling and pressing, allowing the fuel pipe assembly 200 to be directly placed into the injector mounting hole in the cylinder head by the double-ended bolts held by the assembly fixture 100 through the cylinder head. Simultaneously, without changing the existing material bin size and handling method, the coordinated action of the material handling fixture and the pressing fixture ensures accurate fixture positioning. Combined with the straightening gripper 111, it ensures that the injector 201 does not sway left, right, forward, or backward, greatly reducing quality defects caused by interference between the fuel pipe assembly 200 and the cylinder head double-ended studs, effectively improving the first-pass yield of the fuel pipe assembly 200 pressing.

[0044] In some embodiments, see Figure 1 , Figure 2 The first clamping component 104 has a first positioning pin 112 on its clamping surface for engaging with the flange hole of the fixed flange 202. When the fuel pipe assembly 200 is taken out of the hopper, the clamp is in the material picking posture. With the outer surface of the housing of the No. 2 and No. 3 fuel injectors 201 and the flange end face as the preposition, the first driving component 105 extends and puts the first positioning pin 112 on the first clamping component 104 into the flange hole of the fixed flange 202. At this time, the clamp clamps the fastening flange of the fuel pipe assembly 200 and takes it out of the hopper.

[0045] Similarly, the clamping surface of the second clamping component 108 is provided with a second locating pin 113 for engaging with the flange hole of the fixed flange 202. When the clamp is in the pressing posture, with the outer surface of the housing of the #2 and #3 fuel injectors 201 and the flange end face as the pre-positioning points, the second driving component 109 extends, causing the second locating pin 113 on the second clamping component 108 to enter the flange hole of the fixed flange 202. In this embodiment, the positioning accuracy of the fuel pipe assembly 200 is fully guaranteed by the limiting groove of the support component and the locating pin of the clamping component.

[0046] In some embodiments, see Figure 1 , Figure 2 The output end of the second drive component 109 is provided with a clamping cylinder flange plate 114. The second clamping component 108 is mounted on the clamping cylinder flange plate 114 via a guide rail slider. The clamping cylinder flange plate 114 is provided with a third drive component 115 that drives the second clamping component 108 to adjust its position along the width direction of the second support component 107. In this embodiment, the third drive component 115 is used to adjust the position of the second clamping component 108 and the second positioning pin 113 to adapt to different engine models. For example, the fuel pipe assemblies 200 of the 1.5L and 1.5T engines have a 4mm difference in the relative position between the fastening flange hole and the fuel injector 201, making them incompatible.

[0047] In some embodiments, see Figure 2 The straightening gripper 111 includes pneumatic grippers, the number of which corresponds one-to-one with the number of fuel injectors 201 in the fuel pipe assembly 200. Each pneumatic gripper has grippers that hold the fuel injectors 201 of the fuel pipe assembly 200 from both sides along the length of the clamping bracket 101. A rear positioning block 116 is provided on the gripper to abut against the fuel injectors 201 of the fuel pipe assembly 200 from the rear along the width of the clamping bracket 101. During straightening, the straightening gripper 111 approaches the fuel pipe assembly 200 from one side along with the press-fitting clamp, causing the fuel injectors 201 of the fuel pipe assembly 200 to enter between the grippers of the pneumatic gripper. The clamping action of the pneumatic gripper achieves the straightening of the fuel injectors 201. During this process, the positioning block can also provide straightening from the rear, improving the reliability of the fuel injector 201 straightening.

[0048] In some embodiments, see Figure 3 , Figure 4 , Figure 5It also includes a cap-removing device 300, which includes a top plate 301, a pressure plate 302, a fourth drive component 303, and a bottom plate 304. The top plate 301 and the bottom plate 304 are distributed in layers and extend along the length direction of the fuel pipe assembly 200. A certain gap is left between the top plate 301 and the bottom plate 304 in the height direction. The pressure plate 302 is disposed between the top plate 301 and the bottom plate 304. The top plate 301 extends along the length direction, and a plurality of fuel supply points are provided on one side edge of the top plate 301. The fuel injector 201 of the fuel line assembly 200 is embedded in the limiting groove 305. The pressure plate 302 is provided with a pressure plate groove 306 below the limiting groove 305. The fourth driving component 303 is used to drive the pressure plate 302 to descend so as to remove the sealing ring sleeve of the fuel injector 201 from the fuel injector 201 through the pressure plate groove 306. The fourth driving component 303 can be a cylinder. In this embodiment, the automatic cap removal action of the fuel line assembly 200 can be realized, which can effectively improve the work efficiency. The specific working process of the cap removal device 300 will be described in detail below.

[0049] Further, see Figure 3 , Figure 5 The cap removal device 300 also includes a detection sensor 307, a recovery channel 308, a pusher 309, and a fifth drive component 310. The detection sensor 307 is located behind the pressure plate 302 and is used to detect the presence of the sealing ring sleeves in the pressure plate grooves 306 of the pressure plate 302 as it descends to the base plate 304. The recovery channel 308 is connected to the base plate 304. The fifth drive component 310 is used to drive the pusher 309 to push the sealing ring sleeves in the pressure plate grooves 306 of the pressure plate 302 to the recovery channel 308. In this embodiment, the detection sensor 307, the recovery channel 308, the pusher 309, and the fifth drive component 310 realize the automatic removal and detection of the sealing ring sleeves of the fuel pipe assembly 200, avoiding the direct pressing of the fuel pipe assembly sealing ring sleeves onto the cylinder head without removal, which would cause the workpiece to be scrapped or have poor flow.

[0050] In some embodiments, see Figure 4 It also includes a transfer frame 400, which is used for transferring the assembly fixture 100 between its material handling posture and its pressing posture. The transfer frame 400 is provided with a third support component 401 for supporting the fixed flange 202 of the fuel pipe assembly 200. The third support component 401 is provided with a third locating pin 402 for engaging with the flange hole of the fixed flange 202. The specific working process of the transfer frame 400 will be described in detail below.

[0051] To improve the straightening reliability of injector 201, see [link / reference]. Figure 4A limiting strip 403 is provided on the transfer frame 400 below the third support component 401. The limiting strip 403 extends along the distribution direction of the fuel injector 201 of the fuel pipe assembly 200 placed on the transfer frame 400. The limiting strip 403 is used to partially align the fuel injector 201 when the fuel pipe assembly 200 is placed on the transfer frame 400.

[0052] Embodiments of the present invention also provide a method for installing a fuel line assembly 200, using the fuel line assembly installation equipment as described in any of the above embodiments, comprising the following steps:

[0053] In the material handling step, the robot-driven assembly fixture 100 is in the material handling posture. The material handling fixture is used to take out the fuel pipe assembly 200 from the material bin. Specifically, the fixture is in the material handling posture, with the outer surface of the housing of No. 2 and No. 3 fuel injectors 201 and the flange end face as the pre-positioning. The first drive component 105 extends and the first positioning pin 112 on the first clamping component 104 falls into the fastening flange hole. At this time, the material handling fixture clamps the fastening flange of the fuel pipe assembly 200 and takes it out from the material bin.

[0054] The procedure for removing the cap involves removing the sealing ring sleeve from the fuel line assembly 200.

[0055] In the transfer step, the robot-driven assembly fixture 100 transfers the fuel pipe assembly 200 to the transfer frame 400. The material handling fixture separates from the fuel pipe assembly 200. The robot-driven assembly fixture 100 switches to the pressing posture and uses the pressing fixture to pick up the fuel pipe assembly 200 from the transfer frame 400. The straightening jaws 111 clamp and straighten each fuel injector 201 of the fuel pipe assembly 200. During this process, when the pressing fixture picks up the fuel pipe assembly 200 from the transfer frame 400, the second drive component 109 performs the corresponding action, and the second pressing component 108 descends, causing the second positioning pin 113 to enter the fastening flange hole. At the same time, the straightening jaw 111 clamps, so that the straightening jaw 111 clamps the fuel injector 201. To avoid interference between the jaw and the cylinder head blank surface when the straightening cylinder is released and withdrawn after the fuel pipe assembly 200 is installed on the cylinder head, the contact area between the jaw and the fuel injector 201 is approximately the center surface of the fuel injector 201.

[0056] In the press-fitting step, after the fuel pipe assembly 200 is precisely positioned on the fixture, the robot moves to put the fuel pipe assembly 200 through the cylinder head double-ended stud into the cylinder head. After descending to a certain position, the clamping jaw 111 and the second drive component 109 are released, the press-fitting fixture exits the press-fitting position, and the fuel pipe assembly 200 falls into the injector mounting hole of the cylinder head.

[0057] In some embodiments, see Figure 3 , Figure 4In the cap removal step, the fuel pipe assembly installation equipment as described in some of the above embodiments is used. The robot moves the fuel pipe assembly 200 above the cap removal device 300, so that the fuel pipe assembly 200, the injector 201 and the sealing ring sleeve enter the pressure plate groove 306. The pressure plate 302 moves downward under the drive of the fourth drive component 303, detaching the sealing ring sleeve from the injector 201. The pressure plate 302 presses the sealing ring sleeve onto the base plate 304. The detection sensor 307 at the rear detects whether the sealing ring sleeve has detached from the injector 201 and remains on the base plate 304. If all the sealing ring sleeves have detached from the injector 201, the pressure plate 302 moves upward to the original position under the drive of the cylinder. The pusher 309 at the rear moves forward under the action of the fifth drive component 310, pushing the sealing ring sleeve into the recovery channel 308 and retracting it.

[0058] In some embodiments, see Figure 4 In the transfer step, the fuel pipe assembly installation equipment as described in some of the above embodiments is used. After the cap is removed, the robot moves the fuel pipe assembly 200 to the transfer platform and makes the No. 1 and No. 8 holes on the fastening flange of the fuel pipe assembly 200 fall into the positioning pin of the transfer platform. The first drive component 105 is released and the clamp is disengaged from the fuel pipe assembly 200. The robot rotates, positioning the clamp in the pressing posture. At this time, the second drive component 109 and the straightening cylinder are both in the loosened state. The second support component 107 is supported by the lower end face of the fastening flange, and the gripper is initially limited by the outer surface of the fuel injector 201. After the robot drives the assembly clamp 100 to switch to the pressing posture, according to the specific model information, the third drive component 115 adjusts the position of the second pressing component 108 along the width direction of the second support component 107. The pressing clamp performs a clamping action, causing the second positioning pin 113 to enter the flange hole of the fixed flange 202. The robot uses the pressing clamp to clamp the fuel pipe assembly 200 from the transfer frame 400.

[0059] In the description of this specification, references to terms such as "example," "embodiment," or "some embodiments" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0060] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A fuel line assembly installation device, characterized in that, include: An assembly fixture includes a fixture bracket extending along its length from a first end to a second end. The second end is provided with a material-picking fixture, which includes a first support member, a first clamping member, and a first driving member. The first support member extends outward along the length of the fixture bracket and has a first limiting groove that mates with the outer surface of a fuel injector to provide a limiting position. The first driving member drives the first clamping member to mate with the first support member to clamp the fixing flange of the fuel line assembly. The fixture bracket extends along its width from a first edge to a second edge... The first edge and at least one of the second edge are provided with a press-fitting clamp. The press-fitting clamp includes a second support member, a second clamping member and a second driving member. The second support member extends outward along the width direction of the clamp bracket. The second support member is provided with a second limiting groove that cooperates with the outer surface of the fuel injector to provide a limit. The second driving member is used to drive the second clamping member to cooperate with the second support member to clamp the fixing flange of the fuel pipe assembly. The clamp bracket is provided with a straightening claw at the bottom of the second support member for straightening each fuel injector of the fuel pipe assembly.

2. The fuel pipe assembly installation equipment according to claim 1, characterized in that, The first clamping component has a first locating pin on its clamping surface for engaging with the flange hole of the fixed flange, and the second clamping component has a second locating pin on its clamping surface for engaging with the flange hole of the fixed flange.

3. The fuel pipe assembly installation equipment according to claim 2, characterized in that, The output end of the second driving component is provided with a clamping cylinder flange plate. The second clamping component is mounted on the clamping cylinder flange plate via a guide rail slider. The clamping cylinder flange plate is provided with a third driving component that drives the second clamping component to adjust its position along the width direction of the second support component.

4. The fuel pipe assembly installation equipment according to claim 1, characterized in that, The straightening gripper includes a pneumatic gripper, which has grippers that hold the fuel injector of the fuel pipe assembly from both sides along the length direction of the clamping bracket, and the gripper is provided with a rear positioning block that abuts against the fuel injector of the fuel pipe assembly from the rear side along the width direction of the clamping bracket.

5. The fuel pipe assembly installation equipment according to claim 1, characterized in that, Also includes: The cap removal device includes a top plate, a pressure plate, a fourth drive component, and a bottom plate. The top plate and the bottom plate are spaced apart in the height direction. The pressure plate is disposed between the top plate and the bottom plate. The top plate extends along the length direction. One side edge of the top plate is provided with multiple limiting grooves for the fuel injector to be inserted along the fuel line assembly. The pressure plate is provided with a pressure plate groove below the limiting grooves. The fourth drive component is used to drive the pressure plate to descend so as to detach the sealing ring sleeve of the fuel injector from the fuel injector through the pressure plate groove.

6. The fuel line assembly installation equipment according to claim 5, characterized in that, The cap removal device further includes a detection sensor, a recycling channel, a pusher, and a fifth driving component. The detection sensor is located behind the pressure plate and is used to detect the presence information of the sealing ring sleeves in each pressure plate groove of the pressure plate that descends to the bottom plate. The recycling channel is connected to the bottom plate. The fifth driving component is used to drive the pusher to push the sealing ring sleeves in each pressure plate groove of the pressure plate to the recycling channel.

7. The fuel line assembly installation equipment according to claim 1, characterized in that, Also includes: The transfer frame is provided with a third support component for supporting the fixed flange of the fuel pipe assembly. The third support component is provided with a third locating pin for engaging with the flange hole of the fixed flange. A limiting strip is provided on the transfer frame below the third support component. The limiting strip extends along the distribution direction of the fuel injectors of the fuel pipe assembly placed on the transfer frame. The limiting strip is used to partially align the fuel injectors when the fuel pipe assembly is placed on the transfer frame.

8. A method for installing a fuel line assembly, characterized in that, The fuel line assembly installation equipment as described in any one of claims 1 to 7 includes the following steps: In the material handling step, the robot drives the assembly gripper to a material handling posture and uses the material handling gripper to remove the fuel pipe assembly from the hopper; The procedure for removing the cap involves removing the sealing ring sleeve from the fuel line assembly. In the transfer step, the robot drives the assembly fixture to transfer the fuel pipe assembly to the transfer frame. The material handling fixture separates from the fuel pipe assembly. The robot drives the assembly fixture to switch to the pressing posture and uses the pressing fixture to pick up the fuel pipe assembly from the transfer frame. The clamping jaws are then aligned and the fuel injectors of the fuel pipe assembly are straightened. In the pressing step, the robot moves to insert the fuel pipe assembly through the cylinder head double-ended studs into the cylinder head, straightens the gripper, releases the second drive component, the pressing fixture exits the pressing position, and the fuel pipe assembly falls into the injector mounting hole of the cylinder head.

9. The method for installing the fuel pipe assembly according to claim 8, characterized in that, In the cap removal step, the fuel pipe assembly installation equipment as described in claim 6 is used. The robot moves the fuel pipe assembly above the cap removal device, so that the fuel pipe assembly injector and sealing ring sleeve enter the pressure plate groove. The pressure plate moves downward under the drive of the fourth drive component, detaching the sealing ring sleeve from the injector. The pressure plate presses the sealing ring sleeve onto the base plate. The detection sensor at the rear detects whether the sealing ring sleeve has detached from the injector and remains on the base plate. If all the sealing ring sleeves have detached from the injector, the pressure plate moves upward to the original position under the drive of the cylinder. The pusher at the rear moves forward under the action of the fifth drive component, pushing the sealing ring sleeve into the recovery channel and retracting it.

10. The method for installing the fuel pipe assembly according to claim 8, characterized in that, In the transfer step, the fuel pipe assembly installation equipment as described in claim 3 is used. After the robot drives the assembly fixture to switch to the pressing posture, according to the specific model information, the second pressing component is adjusted along the width direction of the second supporting component by the third driving component. The pressing fixture performs a clamping action, so that the second positioning pin enters the flange hole of the fixed flange. The robot uses the pressing fixture to clamp the fuel pipe assembly from the transfer frame.

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