Semi-automatic corrugated pipe pressing device for pump core of fuel pump

Abstract

A semi-automatic corrugated pipe pressing device for a fuel pump core comprises a bottom plate, a pump core clamp assembly, a first clamp assembly, a second clamp assembly, an oil nozzle clamp assembly, a pump core driving cylinder and an oil nozzle driving cylinder. The pump core clamp assembly comprises a slidable pump core sliding block, and a bearing base is arranged on the pump core sliding block. The first clamp assembly is fixed to the bottom plate and provided with a first fixing opening. The second clamp assembly is fixed to the bottom plate and provided with a second fixing opening. The oil nozzle clamp assembly comprises a slidable oil nozzle sliding block, and an oil nozzle containing opening is formed in the oil nozzle sliding block. The pump core driving cylinder is in transmission connection with the pump core sliding block and used for driving the pump core oil nozzle to be pressed into one end of the corrugated pipe in the first fixing opening. The oil nozzle driving cylinder is in transmission connection with the oil nozzle sliding block and used for driving the oil nozzle to be pressed into the other end of the corrugated pipe in the second fixing opening. The two ends of the corrugated pipe are automatically pressed at the same time, the assembling efficiency is high, precision is good, the structure is simple, and operation is convenient and fast.

Description

Technical Field

[0001] This utility model relates to the field of fuel pump assembly technology, and in particular to a semi-automatic bellows pressing device for a fuel pump core. Background Technology

[0002] During the assembly of a fuel pump, a bellows needs to be installed onto the fuel injector portion of the pump core, and the fuel injector also needs to be installed onto the other end of the bellows. As a connecting component, the installation quality of the bellows directly affects the fuel pump's sealing performance and operational stability. Traditional bellows installation is usually done manually. The operator first places the bellows onto the fuel injector on the pump core, and then presses the fuel injector into the other end of the bellows. This manual method has the following problems: 1. High labor intensity and low work efficiency; 2. Difficulty in ensuring assembly accuracy, easily leading to bellows misalignment or damage; 3. Poor product consistency, affecting the overall quality of the fuel pump. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a semi-automatic bellows pressing device for fuel pump core that is simple in structure, easy to operate, and has high pressing accuracy and efficiency.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a semi-automatic bellows pressing device for a fuel pump core, comprising:

[0005] Base plate;

[0006] The pump core clamping assembly includes a pump core slider slidably disposed on the base plate, the pump core slider being provided with a support seat for supporting the pump core;

[0007] The first clamping assembly is fixedly mounted on the base plate, and the first clamping assembly is provided with at least one first fixing port for clamping one end of the bellows;

[0008] A second clamp assembly and an oil nozzle clamp assembly are provided corresponding to the first fixing port;

[0009] The second clamp assembly is fixedly mounted on the base plate and is provided with a second fixing port for clamping the other end of the bellows;

[0010] The nozzle clamp assembly includes a nozzle slider slidably disposed on the base plate, and the nozzle slider is provided with a nozzle placement opening for placing the nozzle.

[0011] A pump core drive cylinder is connected to the pump core slider in a transmission manner, and is used to drive the pump core slider to slide so that the oil nozzle of the pump core is pressed into one end of the bellows in the first fixed port;

[0012] And an oil nozzle drive cylinder, which is connected to the oil nozzle slider for driving the oil nozzle slider to slide so that the oil nozzle in the oil nozzle placement port is pressed into the other end of the bellows in the second fixed port.

[0013] Preferably, the pump core clamping assembly further includes a pump core slide, a pump core cylinder plate, and a pump core top plate. The pump core slide is disposed on the base plate, the pump core slider is slidably disposed on the pump core slide, the pump core top plate is disposed on the rear side of the pump core slider, and the pump core top plate is provided with a positioning groove for circumferential positioning of the pump core. The pump core drive cylinder is disposed on the base plate through the pump core cylinder plate.

[0014] Preferably, the piston rod of the pump core drive cylinder is screwed to the pump core slider or abuts against the pump core top plate, and the piston rod of the oil nozzle drive cylinder is screwed to or abuts against the oil nozzle slider.

[0015] Preferably, the first clamp assembly includes a first fixed seat fixedly disposed on the base plate, a first lower seat being disposed through the first fixed seat, a first stop being fixedly disposed on one side of the first fixed seat, a first upper seat being rotatably disposed on the first stop, a first fixing opening being formed between the first lower seat and the first upper seat, a first connecting rod being rotatably disposed on the other end of the first fixed seat, a first elongated hole being formed on the first connecting rod, and a first insert being slidably disposed on the upper side of the first fixed seat, the end of the first insert being hinged to the first elongated hole.

[0016] Preferably, the second clamping assembly includes a second fixed seat fixedly mounted on the base plate, a second lower seat extending through the second fixed seat, a second stop fixedly mounted on one side of the second fixed seat, a second upper seat rotatably mounted on the second stop, a second fixing opening formed between the second lower seat and the second upper seat, a second connecting rod rotatably mounted on the other end of the second fixed seat, a second elongated hole being formed on the second connecting rod, and a second insert block slidingly mounted on the upper side of the second fixed seat, the end of the second insert block being hinged to the second elongated hole.

[0017] Preferably, the nozzle clamp assembly further includes a nozzle slide block and a nozzle cylinder plate. The nozzle slide block is disposed on the base plate, the nozzle slider is slidably disposed on the nozzle slide block, and the nozzle drive cylinder is disposed on the base plate via the nozzle cylinder plate.

[0018] Preferably, both the first fixing port and the second fixing port have several annular protrusions arranged parallel to each other on their inner walls.

[0019] The beneficial effects of this utility model are:

[0020] 1. The pump core nozzle and the oil nozzle are automatically pressed into both ends of the bellows by the drive cylinder, replacing manual operation, significantly reducing labor intensity and increasing assembly speed;

[0021] 2. The pump core, bellows, and nozzle are precisely supported, positioned, and clamped by various clamping components to ensure the accuracy of press-fit alignment, avoid bellows misalignment and damage, and improve product consistency.

[0022] 3. The first and second clamping assemblies adopt an openable and closable structure, which facilitates the quick loading, unloading and locking of the bellows, and is simple to operate and provides stable clamping.

[0023] 4. The annular protrusion on the inner wall of the fixed port is adapted to the outer wall of the bellows, which can effectively prevent the bellows from rotating or shifting during the pressing process. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0025] Figure 2 This is a schematic diagram of the usage structure of an embodiment of this utility model;

[0026] Figure 3 This is a schematic diagram of the pump core clamp assembly of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the oil nozzle clamp assembly of this utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the first clamping assembly of this utility model;

[0029] Figure 6 This is a structural schematic diagram of the second clamp assembly of this utility model.

[0030] In the diagram: 1. Base plate; 2. Pump core clamp assembly; 21. Pump core slide; 22. Pump core slider; 23. Support seat; 24. Pump core top plate; 25. Positioning groove; 26. Pump core cylinder plate; 27. Pump core drive cylinder; 3. First clamp assembly; 31. First fixed seat; 32. First lower seat; 33. First stop block; 34. First upper seat; 35. First fixing port; 36. First connecting rod; 37. First elongated hole; 38. First insertion. 4. Second clamping assembly; 41. Second fixed seat; 42. Second lower seat; 43. Second stop block; 44. Second upper seat; 45. Second fixed port; 46. Second connecting rod; 47. Second elongated hole; 48. Second insert block; 5. Oil nozzle clamping assembly; 51. Oil nozzle slide; 52. Oil nozzle slider; 53. Oil nozzle placement port; 54. Oil nozzle cylinder plate; 55. Oil nozzle drive cylinder; 6. Pump core; 7. Oil nozzle; 8. Annular protrusion. Detailed Implementation

[0031] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0032] Example: Figures 1 to 6 The illustrated semi-automatic bellows pressing device for a fuel pump core includes a base plate 1, a pump core clamping assembly 2, a first clamping assembly 3, a second clamping assembly 4, a fuel injector clamping assembly 5, a pump core drive cylinder 27, and a fuel injector drive cylinder 55. The base plate 1 serves as the mounting foundation for the entire device and is made of metal, possessing sufficient strength and flatness.

[0033] The pump core clamp assembly 2 includes a pump core slide 21, a pump core slider 22, a support 23, a pump core top plate 24, a pump core cylinder plate 26, and a pump core drive cylinder 27. The pump core slide 21 is fixedly mounted on the base plate 1. The pump core slider 22 is slidably mounted on the pump core slide 21 and can slide linearly along the pump core slide 21. The support 23 is located on the upper surface of the pump core slider 22 and is used to support the pump core 6. The pump core top plate 24 is located on the rear side of the pump core slider 22. A positioning groove 25 is provided on the 4, which is adapted to the shape of the rear end of the pump core 6 and is used to circumferentially position the pump core 6 to ensure that the oil nozzle of the pump core 6 is aligned with the first clamping assembly 3; the pump core cylinder plate 26 is placed on the base plate 1, and the pump core drive cylinder 27 is installed on the pump core cylinder plate 26. The piston rod of the pump core drive cylinder 27 is connected to the pump core slider 22 in a transmission manner. In this embodiment, the piston rod of the pump core drive cylinder 27 is connected to the pump core top plate 24 by an abutment method, which facilitates quick adjustment.

[0034] The first clamp assembly 3 includes a first fixed base 31, a first lower base 32, a first stop 33, a first upper base 34, a first connecting rod 36, and a first insert block 38. The first fixed base 31 is fixedly mounted on the base plate 1. The first lower base 32 is disposed through the first fixed base 31. The first stop 33 is disposed on one side of the first fixed base 31. The first upper base 34 is rotatably mounted on the first stop 33 and can rotate relative to the first stop 33. At least one first fixing opening 35 is formed between the first lower base 32 and the first upper base 34. The first connecting rod 36 is rotatably mounted on the first lower seat 32 at the other end of the first fixed seat 31. The first connecting rod 36 has a first elongated hole 37. The first insert 38 is slidably mounted on the upper side of the first upper seat 34, and the end of the first insert 38 is hinged to the first elongated hole 37. During operation, rotating the first upper seat 34 can open or close the first fixed opening 35. By pulling the first insert 38 on the first fixed seat 31 through the first connecting rod 36, the first insert 38 can be locked or released from the first upper seat 34.

[0035] The second clamping assembly 4 is similar in structure to the first clamping assembly 3, including a second fixed base 41, a second lower base 42, a second stop 43, a second upper base 44, a second connecting rod 46, and a second insert 48. The second fixed base 41 is fixedly mounted on the base plate 1. The second lower base 42 is disposed through the second fixed base 41. The second stop 43 is disposed on one side of the second fixed base 41. The second upper base 44 is rotatably mounted on the second stop 43. A second fixing opening 45 is formed between the second lower base 42 and the second upper base 44 for clamping the other end of the bellows. The second connecting rod 46 is rotatably mounted on the other end of the second lower base 42 on the second fixed base 41. A second elongated hole 47 is provided on the second connecting rod 46. The second insert 48 is slidably disposed on the upper side of the second upper base 44, and the end of the second insert 48 is hinged to the second elongated hole 47.

[0036] The nozzle clamp assembly 5 includes a nozzle slide block 51, a nozzle slider 52, a nozzle cylinder plate 54, and a nozzle drive cylinder 55. The nozzle slide block 51 is disposed on the base plate 1, and the nozzle slider 52 is slidably disposed on the nozzle slide block 51. The nozzle slider 52 has a nozzle placement opening 53 on its side wall facing the second clamp assembly 4 for placing nozzles. The nozzle cylinder plate 54 is disposed on the base plate 1, and the nozzle drive cylinder 55 is mounted on the nozzle cylinder plate 54. The piston rod of the nozzle drive cylinder 55 is connected to the nozzle slider 52 in a transmission manner. In this embodiment, the piston rod of the nozzle drive cylinder 55 and the nozzle slider 52 are connected by an abutment method for easy and quick adjustment.

[0037] To improve clamping stability, the inner walls of the first fixing port 35 and the second fixing port 45 are provided with annular protrusions 8 that are adapted to the outer wall of the bellows. The annular protrusions 8 can be embedded in the bellows groove on the outer wall of the bellows, effectively preventing the bellows from shifting axially during the press-fitting process.

[0038] The working process of this device is as follows: 1. Place the pump core 6 on the support seat 23 of the pump core slider 22, and make the rear end of the pump core 6 snap into the positioning groove 25 of the pump core top plate 24 to achieve positioning of the pump core 6; 2. Open the first upper seat 34 of the first clamp assembly 3, put one end of the bellows into the first lower seat 32, close the first upper seat 34 and lock it, so that one end of the bellows is clamped in the first fixing port 35; 3. Open the second upper seat 44 of the second clamp assembly 4, put the other end of the bellows into the second lower seat 42, close the second upper seat 44 and lock it, so that the other end of the bellows is clamped in the second fixing port 45; 4. Place the oil nozzle on the oil nozzle slider 5. 2. Place the nozzle in the oil nozzle placement port 53; 5. Start the equipment. The pump core drive cylinder 27 and the oil nozzle drive cylinder 55 move synchronously, pushing the pump core slider 22 to slide towards the first clamp assembly 3, so that the oil nozzle of the pump core 6 is slowly pressed into one end of the bellows in the first fixed port 35. At the same time, the oil nozzle drive cylinder 55 pushes the oil nozzle slider 52 to slide towards the second clamp assembly 4, so that the oil nozzle in the oil nozzle placement port 53 is slowly pressed into the other end of the bellows in the second fixed port 45; 6. After the pressing is completed, the pump core drive cylinder 27 and the oil nozzle drive cylinder 55 are reset. Open the first clamp assembly 3 and the second clamp assembly 4, take out the pump core 6 with the bellows and oil nozzle assembled, and complete one working cycle.

Claims

1. A semi-automatic bellows crimping device for fuel pump impellers, characterized by: include: Base plate (1); The pump core clamping assembly (2) includes a pump core slider (22) slidably disposed on the base plate (1), and the pump core slider (22) is provided with a support seat (23) for supporting the pump core (6). The first clamp assembly (3) is fixedly mounted on the base plate (1). The first clamp assembly (3) is provided with at least one first fixing port (35) for clamping one end of the corrugated pipe. The first clamp assembly (3) includes a first fixing seat (31) fixedly mounted on the base plate (1). A first lower seat (32) is provided through the first fixing seat (31). A first stop (33) is fixedly mounted on one side of the first fixing seat (31). A first upper seat (34) is rotatably mounted on the first stop (33). The first fixing port (35) is formed between the first lower seat (32) and the first upper seat (34). A first connecting rod (36) is rotatably mounted on the other side of the first fixing seat (31). A first elongated hole (37) is opened on the first connecting rod (36). A first insert (38) is slidably mounted on the upper side of the first upper seat (34) of the first fixing seat (31). The end of the first insert (38) is hinged to the first elongated hole (37). A second clamp assembly (4) and an oil nozzle clamp assembly (5) are provided corresponding to the first fixing port (35); The second clamp assembly (4) is fixedly mounted on the base plate (1) and is provided with a second fixing port (45) for clamping the other end of the bellows. The nozzle clamp assembly (5) includes a nozzle slider (52) slidably disposed on the base plate (1), and the nozzle slider (52) is provided with a nozzle placement port (53) for placing the nozzle (7). The pump core drive cylinder (27) is connected to the pump core slider (22) for driving the pump core slider (22) to slide so that the oil nozzle of the pump core (6) is pressed into one end of the bellows in the first fixed port (35); And the nozzle drive cylinder (55) is connected to the nozzle slider (52) for driving the nozzle slider (52) to slide so that the nozzle (7) in the nozzle placement port (53) is pressed into the other end of the bellows in the second fixing port (45).

2. The fuel pump element semi-automatic bellows crimping apparatus of claim 1, wherein: The pump core clamping assembly (2) further includes a pump core slide (21), a pump core cylinder plate (26), and a pump core top plate (24). The pump core slide (21) is disposed on the base plate (1). The pump core slider (22) is slidably disposed on the pump core slide (21). The pump core top plate (24) is disposed on the rear side of the pump core slider (22). The pump core top plate (24) is provided with a positioning groove (25) for circumferential positioning of the pump core (6). The pump core drive cylinder (27) is disposed on the base plate (1) through the pump core cylinder plate (26).

3. The fuel pump element semi-automatic bellows crimping apparatus of claim 2, wherein: The piston rod of the pump core drive cylinder (27) is screwed to the pump core slider (22) or abuts against the pump core top plate (24), and the piston rod of the oil nozzle drive cylinder (55) is screwed to or abuts against the oil nozzle slider (52).

4. The fuel pump element semi-automatic bellows crimping apparatus of claim 1, wherein: The second clamp assembly (4) includes a second fixed seat (41) fixedly mounted on the base plate (1), a second lower seat (42) passing through the second fixed seat (41), a second stop (43) fixedly mounted on one side of the second fixed seat (41), a second upper seat (44) rotatably mounted on the second stop (43), a second fixing opening (45) being formed between the second lower seat (42) and the second upper seat (44), a second connecting rod (46) rotatably mounted on the other side end of the second fixed seat (41), a second elongated hole (47) being opened on the second connecting rod (46), a second insert (48) slidingly mounted on the upper side of the second upper seat (44) of the second fixed seat (41), and the end of the second insert (48) being hinged to the second elongated hole (47).

5. The fuel pump element semi-automatic bellows crimping apparatus of claim 1, wherein: The nozzle clamp assembly (5) further includes a nozzle slide (51) and a nozzle cylinder plate (54). The nozzle slide (51) is disposed on the base plate (1), the nozzle slider (52) is slidably disposed on the nozzle slide (51), and the nozzle drive cylinder (55) is disposed on the base plate (1) through the nozzle cylinder plate (54).

6. The fuel pump element semi-automatic bellows crimping apparatus of claim 1, wherein: Both the first fixing port (35) and the second fixing port (45) have several annular protrusions (8) arranged parallel to each other on their inner walls.

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