Valve guide pipe press fitting device for engine cylinder cover

Abstract

The utility model discloses a valve guide pipe press-fitting device for an engine cylinder cover, which comprises a mounting bracket, a blanking block arranged on the mounting bracket, a blanking channel arranged in the blanking block, a guide cylinder communicated with the blanking channel, a press-fitting component arranged at one end of the guide cylinder, a through guide hole arranged on the guide cylinder, a material receiving port arranged on the guide cylinder, and a press-fitting component arranged on the guide hole, the material receiving port is communicated with the blanking channel and the guide hole, so that the valve guide pipe passes through the blanking channel and falls into the guide hole through the material receiving port, the press fitting assembly comprises a servo press and a press rod, the servo press is connected with the mounting bracket, and the press rod is connected with the servo press and can extend into the guide hole to press the valve guide pipe in the guide hole on the cylinder cover; by means of the mode, the valve guide pipe can be automatically and stably pressed on an engine cylinder cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine cylinder cover processing technical field especially is related to a valve guide press fitting device for engine cylinder cover. BACKGROUND

[0002] Valve guide is the guiding device of automobile engine valve, and the valve guide plays a guiding role on the valve and transmits the heat on the valve rod to the cylinder cover through the valve guide.

[0003] At present, the valve guide needs to be assembled to the engine cylinder cover on the automobile assembly production line. At present, the valve guide is assembled into the cylinder cover by manual work with the aid of tools, and the assembly efficiency is low, and in the assembly process, the valve guide and the cylinder cover are often not assembled in place due to the difficulty in standardizing the assembly process, which affects the performance of the engine. UTILITY MODEL CONTENTS

[0004] The utility model mainly solves the technical problem to provide a valve guide press fitting device for engine cylinder cover, which can automatically and stably press fit the valve guide to the engine cylinder cover.

[0005] To solve the above technical problems, one technical scheme of the utility model is provided: a valve guide press fitting device for engine cylinder cover, comprising: a mounting bracket, a blanking block is arranged on the mounting bracket, a blanking passage is formed in the blanking block, a guide cylinder is communicated with the blanking passage, a press fitting assembly is arranged at one end of the guide cylinder, a guide hole is formed in the guide cylinder, a receiving port is formed in the guide cylinder, the receiving port is communicated with the blanking passage and the guide hole, so that the valve guide falls into the guide hole through the receiving port after passing through the blanking passage, the press fitting assembly comprises a servo press and a press rod, the servo press is connected with the mounting bracket, and the press rod is connected with the servo press and can extend into the guide hole to press fit the valve guide in the guide hole on the cylinder cover.

[0006] Preferably, a distribution bracket is arranged on the mounting bracket, a distribution assembly is arranged on the distribution bracket, the distribution assembly comprises a distribution block arranged on the distribution bracket and a distribution cylinder, the distribution block is in sliding fit with the distribution bracket, the distribution cylinder drives the distribution block to reciprocate on the distribution bracket, and a distribution through hole is formed in the distribution block and can be communicated with the blanking passage.

[0007] Preferably, the distribution block comprises a distribution fixed seat and a distribution sliding block arranged in the distribution fixed seat, the distribution fixed seat is fixed on the distribution bracket, the distribution sliding block is in sliding fit with the distribution fixed seat under the drive of the distribution cylinder, a fixed feeding port is arranged on the distribution fixed seat, the distribution through hole is formed on the distribution sliding block and can be communicated with the fixed feeding port or the blanking passage.

[0008] Preferably, the outlet of the blanking channel and the receiving port are provided with a blocking assembly, the blocking assembly comprises a blocking plate, a connecting block and a blocking cylinder, the blocking cylinder and the connecting block are rotatably connected to the blanking block respectively, the blocking cylinder is connected to one end of the connecting block for driving the other end of the connecting block to rotate, the other end of the connecting block is connected to the blocking plate for controlling the position of the blocking plate, when the blocking plate is between the outlet of the blanking channel and the receiving port, the valve guide pipe is blocked from entering the receiving port from the blanking channel, when the blocking plate leaves the outlet of the blanking channel and the receiving port, the valve guide pipe falls into the receiving port from the blanking channel.

[0009] Preferably, the guide cylinder is provided with an oil injection hole, the oil injection hole is arranged towards the guide hole to inject oil into the guide hole.

[0010] The beneficial effects of the utility model are that: through the distributing assembly, only one valve guide pipe enters the blanking channel each time, so that only one valve guide pipe is in the guide hole of the guide cylinder each time, thereby avoiding the influence of pressure assembly caused by multiple valve guide pipes in the guide hole, the guide hole corrects the position of the valve guide pipe to be pressure assembled, so that the position of the valve guide pipe is stable when the valve guide pipe is pressure assembled to the cylinder cover by the pressure rod, thereby ensuring the stability of pressure assembly, through the servo press, the consistency of pressure assembly depth is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the position relation schematic view of the utility model and the equipment;

[0012] Figure 2 It is the overall structure schematic view of the utility model;

[0013] Figure 3 It is the distributing assembly and blanking block sectional view of the utility model;

[0014] Figure 4 It is the distributing assembly and blanking block position relation schematic view of the utility model;

[0015] Figure 5 It is the structure schematic view of the blocking assembly of the utility model;

[0016] Figure 6 It is the structure schematic view of the guide cylinder of the utility model;

[0017] Figure 7 It is the sectional view of the guide cylinder of the utility model;

[0018] Figure 8 It is Figure 7 The enlarged schematic view of A part in the middle.

[0019] The marks of various components in the drawings are as follows:

[0020] 1, mounting bracket;

[0021] 2, blanking block; 21, blanking channel;

[0022] 3, guide cylinder; 31, guide hole; 32, receiving port; 33, oil injection hole;

[0023] 4, press assembly; 41, servo press; 42, press rod;

[0024] 5, distribution support;

[0025] 6, distribution assembly; 61, distribution block; 611, distribution fixed seat; 6111, fixed feeding port; 612, distribution sliding block; 6121, distribution through hole; 62, distribution air cylinder;

[0026] 7, blocking assembly; 71, blocking plate; 72, connecting block; 73, blocking air cylinder;

[0027] 8, valve guide pipe. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0031] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0032] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0034] Physical quantities in formulas, unless otherwise specified, should be understood as basic quantities of the International System of Units (SI) basic units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0035] Example:

[0036] refer to Figures 1-8The utility model provides a valve guide press fitting device for engine cylinder cover, it includes: mounting support 1, the blanking block 2 is bolted on mounting support 1, and the blanking channel 21 is formed in blanking block 2, and the valve guide 8 can slide in blanking channel 21, and blanking channel 21 is connected with guide cylinder 3, and one end of guide cylinder 3 is provided with press fitting assembly 4, and guide cylinder 3 is provided with the guide hole 31 that penetrates, and the valve guide 8 is slidably connected with the guide hole 31 and the inner diameter of the guide hole 31 is slightly larger than the outer diameter of the valve guide 8, and the guide hole 31 is connected with blanking channel 21 on guide cylinder 3, and the guide hole 31 is communicated with blanking channel 21, so that the valve guide 8 falls into the guide hole 31 through the guide hole 32 after passing blanking channel 21, and press fitting assembly 4 includes servo press 41 and pressure rod 42, and servo press 41 is bolted on mounting support 1, and pressure rod 42 is connected with servo press 41 and can extend into the guide hole 31 so as to press the valve guide 8 in the guide hole 31 on the cylinder cover.

[0037] Reference Figures 1-4 The utility model provides a valve guide press fitting device for engine cylinder cover, it includes: mounting support 1, the blanking block 2 is bolted on mounting support 1, and the blanking channel 21 is formed in blanking block 2, and the valve guide 8 can slide in blanking channel 21, and blanking channel 21 is connected with guide cylinder 3, and one end of guide cylinder 3 is provided with press fitting assembly 4, and guide cylinder 3 is provided with the guide hole 31 that penetrates, and the valve guide 8 is slidably connected with the guide hole 31 and the inner diameter of the guide hole 31 is slightly larger than the outer diameter of the valve guide 8, and the guide hole 31 is connected with blanking channel 21 on guide cylinder 3, and the guide hole 31 is communicated with blanking channel 21, so that the valve guide 8 falls into the guide hole 32 after passing blanking channel 21 through the guide hole 32, and press fitting assembly 4 includes servo press 41 and pressure rod 42, and servo press 41 is bolted on mounting support 1, and pressure rod 42 is connected with servo press 41 and can extend into the guide hole 31 so as to press the valve guide 8 in the guide hole 31 on the cylinder cover.

[0038] Further, the utility model discloses a valve guide press fitting device for engine cylinder cover, it includes: mounting support 1, the blanking block 2 is bolted on mounting support 1, and the blanking channel 21 is formed in blanking block 2, and the valve guide 8 can slide in blanking channel 21, and blanking channel 21 is connected with guide cylinder 3, and one end of guide cylinder 3 is provided with press fitting assembly 4, and guide cylinder 3 is provided with the guide hole 31 that penetrates, and the valve guide 8 is slidably connected with the guide hole 31 and the inner diameter of the guide hole 31 is slightly larger than the outer diameter of the valve guide 8, and the guide hole 31 is connected with blanking channel 21 on guide cylinder 3, and the guide hole 31 is communicated with blanking channel 21, so that the valve guide 8 falls into the guide hole 32 after passing blanking channel 21 through the guide hole 32, and press fitting assembly 4 includes servo press 41 and pressure rod 42, and servo press 41 is bolted on mounting support 1, and pressure rod 42 is connected with servo press 41 and can extend into the guide hole 31 so as to press the valve guide 8 in the guide hole 31 on the cylinder cover.

[0039] Reference Figure 2 、 Figure 4 And Figure 5, the outlet of the blanking channel 21 and the receiving port 32 are arranged with a blocking assembly 7, the blocking assembly 7 comprises a blocking plate 71, a connecting block 72 and a blocking cylinder 73, the blocking cylinder 73 and the connecting block 72 are respectively rotationally connected on the blanking block 2, that is, the end of the cylinder body of the blocking cylinder 73 rotationally cooperates with the blanking block 2 with a certain degree of freedom, avoiding being stuck when the connecting block 72 is pushed to rotate, the connecting block 72 is V-shaped, the middle part of the connecting block 72 is rotationally connected with the blanking block 2 through a rotating shaft. The piston rod of the blocking cylinder 73 is connected with one end of the connecting block 72 for driving the other end of the connecting block 72 to rotate, and the other end of the connecting block 72 is connected with the blocking plate 71 for controlling the position of the blocking plate 71, when the blocking plate 71 is between the outlet of the blanking channel 21 and the receiving port 32, the valve guide 8 is blocked from entering the receiving port 32 from the blanking channel 21, at this time the valve guide 8 waits at the bottom of the blanking channel 21, when the blocking plate 71 leaves the position between the outlet of the blanking channel 21 and the receiving port 32, the valve guide 8 falls into the receiving port 32 from the blanking channel 21 and waits to be pushed and pressed by the pressing rod 42.

[0040] Reference Figures 2-4 , in order to cooperate with the valve guide 8 in the horizontal position when being pressed due to the position of the cylinder cover, the blanking rail can be arranged in an L shape, so that the valve guide 8 is in a vertical state when it just enters the blanking channel 21, and in a horizontal state when it reaches the outlet of the blanking channel 21 and is blocked by the blocking plate 71, so that the valve guide 8 can be pressed and assembled with the cylinder cover in a horizontal direction by the pressing rod 42.

[0041] Reference Figures 6-8 , in order to reduce the hard friction between the valve guide 8 and the cylinder cover during pressing, and reduce damage, the guide cylinder 3 is provided with an oil injection hole 33, which is arranged towards the guide hole 31 to inject oil into the guide hole 31, so that the valve guide 8 will be sprayed with lubricating oil when passing through the oil injection hole 33, which reduces the damage of the valve guide 8 and the cylinder cover during assembly, and facilitates the pressing between them.

[0042] Operation process: The fixed feed port 6111 is connected to the valve guide 8 feeding mechanism. The valve guides 8 are lined up at the fixed feed port 6111 waiting to be assembled. After the external manipulator moves the cylinder head into position, the distribution cylinder 62 drives the distribution slider 612 to change its position, so that the distribution slider 612 moves only one valve guide 8 at a time and when the distribution through hole 6121 is connected to the blanking through hole, the valve guide 8 falls into the blanking channel 21. When the baffle plate 71 blocks the outlet of the blanking channel 21, the guide in the blanking channel 21 waits for the valve guide 8 in the guide hole 31 to be pressed in. When the baffle plate 71 opens, it falls into the guide hole 31. Driven by the servo press 41, it drives the pressure rod 42 to push the valve guide 8. When it passes through the oil injection hole 33, it is lubricated by lubricating oil. At this time, the end of the guide tube 3 close to the cylinder head directly abuts against the hole surface of the cylinder head where the valve guide 8 needs to be installed. Finally, the valve guide 8 is pressed into the cylinder head.

[0043] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A valve guide press fitting device for an engine cylinder head, characterized by, Include: The mounting bracket (1) is provided with a blanking block (2), a blanking passage (21) is opened in the blanking block (2), the blanking passage (21) is communicated with a guide cylinder (3), one end of the guide cylinder (3) is provided with a press assembly (4), the guide cylinder (3) is provided with a through guide hole (31), the guide cylinder (3) is provided with a receiving port (32), the receiving port (32) is communicated with the blanking passage (21) and the guide hole (31), so that the valve guide (8) falls into the guide hole (31) through the receiving port (32) after passing through the blanking passage (21), the press assembly (4) includes a servo press (41) and a press rod (42), the servo press (41) is connected with the mounting bracket (1), the press rod (42) is connected with the servo press (41) and can extend into the guide hole (31) to press the valve guide (8) in the guide hole (31) on the cylinder cover.

2. A valve guide press fitting device for an engine cylinder head according to claim 1, characterized by: The mounting bracket (1) is provided with a distribution support (5), the distribution support (5) is provided with a distribution assembly (6), the distribution assembly (6) includes a distribution block (61) and a distribution cylinder (62) arranged on the distribution support (5), the distribution block (61) is in sliding fit with the distribution support (5), the distribution cylinder (62) drives the distribution block (61) to reciprocate on the distribution support (5), the distribution block (61) is provided with a distribution through hole (6121), and the distribution through hole (6121) can be communicated with the blanking passage (21).

3. A valve guide press fitting device for an engine cylinder head according to claim 2, characterized in that: The distribution block (61) includes a distribution fixed seat (611) and a distribution sliding block (612) arranged in the distribution fixed seat (611), the distribution fixed seat (611) is fixed on the distribution support (5), the distribution sliding block (612) is in sliding fit with the distribution fixed seat (611) under the drive of the distribution cylinder (62), the distribution fixed seat (611) is provided with a fixed feeding port (6111), the distribution through hole (6121) is arranged on the distribution sliding block (612), and the distribution through hole (6121) can be communicated with the fixed feeding port (6111) or the blanking passage (21).

4. A valve guide press fitting device for an engine cylinder head according to claim 1, characterized by: A blocking assembly (7) is arranged between the outlet of the blanking passage (21) and the receiving port (32), the blocking assembly (7) includes a blocking plate (71), a connecting block (72) and a blocking cylinder (73), the blocking cylinder (73) and the connecting block (72) are rotatably connected to the blanking block (2) respectively, one end of the blocking cylinder (73) is connected with the connecting block (72) for driving the other end of the connecting block (72) to rotate, the other end of the connecting block (72) is connected with the blocking plate (71) for controlling the position of the blocking plate (71), when the blocking plate (71) is between the outlet of the blanking passage (21) and the receiving port (32), the valve guide (8) is blocked from entering the receiving port (32) from the blanking passage (21), when the blocking plate (71) is away from the outlet of the blanking passage (21) and the receiving port (32), the valve guide (8) falls into the receiving port (32) from the blanking passage (21).

5. A valve guide press fitting device for an engine cylinder head according to claim 1, characterized by: An oil injection hole (33) is formed in the guide cylinder (3) and is arranged towards the guide hole (31) to inject oil into the guide hole (31).

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