Automatic pressing device for air valve

Abstract

The utility model relates to the field of air valve installation, in particular to an automatic air valve pressing device which comprises an installation table, at least one installation assembly is fixed above the installation table, the installation assembly is used for pressing and installing an air valve and comprises a supporting arm and an installation plate rotationally arranged on the supporting arm, and an air cylinder is fixed to the installation plate. An output shaft of the cylinder penetrates through the mounting plate; a pressing block is fixed to an output shaft of the air cylinder. A fixing piece is arranged on the mounting plate and is used for fixing the mounting plate on the supporting arm; the mounting plate can rotate relative to the supporting arm to adjust the extending angle of the air cylinder so as to adapt to engine cylinder bodies of different sizes; the air cylinder is started to drive the pressing block to stretch out, the valve spring is extruded, and the locking block is manually installed after the valve spring is extruded to a designated position; the air cylinder extrudes the valve spring, manual extrusion is replaced, the installation difficulty is lowered, and the installation efficiency is improved; meanwhile, the mounting plate is adjustable in angle and wide in application range.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve installation field, concretely relates to a valve automatic compression device. BACKGROUND

[0002] In the engine production and assembly process, the valve needs to be installed, and the traditional way is to install by artificial compression, and two people cooperate during operation, one of whom uses a tool to compress the valve spring, and the other installs the valve lock block, but this way needs two people to operate, and the efficiency is low, and because the valve lock block is small in size, is composed of two parts, and is in the form of a whole ring, the angle deviates slightly when the valve is compressed, and the valve lock block may be ejected, which not only is complicated to operate, but also is difficult and easy to lose parts. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model discloses a valve automatic compression device, which can automatically compress the valve, facilitate the installation of the lock block, and adjust the angle to adapt to different sizes of engine cylinder bodies.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a valve automatic compression device, which comprises a mounting table, at least one mounting assembly is fixed on the upper side of the mounting table, the mounting assembly is used for compressing and installing the valve, the mounting assembly comprises a supporting arm and an installation plate rotatably arranged on the supporting arm, a cylinder is fixed on the installation plate, and the output shaft of the cylinder penetrates the installation plate; A compression block is fixed on the output shaft of the cylinder; A fixing piece is arranged on the installation plate and used for fixing the installation plate to the supporting arm.

[0005] The principle and beneficial effects of the technical scheme are as follows: the mounting table is used for placing the engine cylinder body, the supporting arm is used for installing the installation plate, the installation plate can rotate relative to the supporting arm, the extension angle of the cylinder is adjusted, different sizes of engine cylinder bodies are adapted, when the angle is adjusted, the installation plate is fixed through the fixing piece, then the cylinder is kept fixed, the cylinder is started, the compression block is extended, the valve spring is extruded, and the lock block is installed by artificial installation after being extruded to the specified position; the utility model extrudes the valve spring by the cylinder driving the compression block, instead of artificial extrusion, reduces the installation difficulty, improves the installation efficiency, the angle of the installation plate is adjustable, the angle is adjusted according to different shapes and different sizes of engine cylinder bodies, the application range is wide, and the practicability is improved.

[0006] As a preferred embodiment of the utility model, the number of mounting assemblies is two, and they are symmetrically arranged.

[0007] Beneficial effects: the general engine cylinder valve adopts two groups of parallel valves, two mounting assemblies are selected, two side valve springs can be pressed at the same time, and the mounting efficiency is improved; meanwhile, the two mounting assemblies are symmetrically arranged, that is, two cylinders are symmetrically arranged and have an angle, two cylinders are stretched out at the same time and press the valve spring obliquely downward, which can assist in fixing the engine cylinder.

[0008] As a preferred embodiment of the utility model, the fixing part includes two supporting lugs fixed on the side surface of the supporting arm; a rotating shaft horizontally slidable is arranged in the two supporting lugs, and the rotating shaft can rotate relative to the supporting lug; a threaded cylinder is fixed on the rotating shaft; a fixing bolt is threadedly connected in the mounting plate, and the fixing bolt can be threadedly connected with the threaded cylinder.

[0009] Beneficial effects: the supporting lug is used for mounting the rotating shaft, the horizontal sliding of the rotating shaft can adjust the horizontal position, in use, the angle of the mounting plate is adjusted according to the specific engine cylinder valve position, after the angle adjustment is completed, the fixing bolt is screwed out, then the horizontal position of the rotating shaft and the angle of the threaded cylinder are adjusted, so that they correspond to the fixing bolt, and then the two are threadedly connected; at this time, the angle between the fixing bolt and the mounting plate cannot be adjusted, so that the rotation of the mounting plate and the threaded cylinder is locked, and then the two are fixed, thereby achieving the angle fixation of the cylinder.

[0010] As a preferred embodiment of the utility model, the gas supply pipe and the exhaust pipe of the two cylinders are respectively communicated through two three-way interfaces, the three-way interfaces are communicated with a press switch, and the press switch is communicated with an air compression device.

[0011] Beneficial effects: the gas supply pipe and the exhaust pipe of the two cylinders are respectively communicated through two three-way interfaces to the press switch, and then communicated with the air compression device; the air compression device is used for providing compressed air, the press switch is pressed to supply gas to the cylinder; the three-way interface is used to stretch out the two cylinders at the same time, so that the two side valve springs can be pressed at the same time.

[0012] As a preferred embodiment of the utility model, a plurality of circular grooves are arranged on the mounting table, and a plurality of fixing rods are arranged in the circular grooves, and the engine cylinder is positioned by the plurality of fixing rods.

[0013] Beneficial effects: the circular groove is used for placing the fixing rod, the position of the fixing rod is adjusted according to the specific structure of the engine cylinder, the engine cylinder is positioned and fixed by the plurality of fixing rods; the fixing rod changes position conveniently and quickly, and can be flexibly adjusted.

[0014] As the preferred embodiment of the utility model, the mounting table includes first mounting plate and second mounting plate, the first mounting plate and the second mounting plate are used for placing two mounting components respectively, the first mounting plate is horizontally provided with adjusting bolt, the adjusting bolt is screwed with the second mounting plate.

[0015] Beneficial effect: by screwing the adjusting bolt, the interval of the first mounting plate and the second mounting plate can be adjusted through the adjusting bolt, the whole mounting table has the effect of adjusting length, and the interval of two cylinders can also be adjusted, so that the device can adapt to more shapes and sizes of engine cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0017] Figure 1 It is the structural diagram of the embodiment of the utility model automatic valve pressing device.

[0018] Figure 2 It is the front view of the embodiment of the utility model automatic valve pressing device.

[0019] The reference signs in the drawings of the specification include: 1 mounting table, 11 first mounting plate, 12 second mounting plate, 13 adjusting bolt, 2 support arm, 3 mounting plate, 4 cylinder, 41 air supply pipe, 42 exhaust pipe, 5 pressing block, 6 fixing piece, 61 lug, 62 rotating shaft, 63 threaded barrel, 64 fixing bolt, 7 three-way joint, 8 pressing switch, 9 circular slot, 10 fixed rod. DETAILED DESCRIPTION

[0020] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the utility model, and cannot be understood as a limitation of the utility model.

[0021] In the description of the embodiments of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model 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 a limitation of the utility model.

[0022] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly specified.

[0023] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0024] As shown in the accompanying Figure 1 The present application provides an automatic valve pressing device: comprising a mounting table 1, the upper of the mounting table 1 is fixed with two installation components, the installation component is used for pressing installation valve, generally the valve of engine cylinder adopts two parallel valves, selecting two installation components can extrude the valve spring on both sides at the same time, improve the installation efficiency; the installation component comprises a support arm 2 and an installation plate 3 rotatably arranged on the support arm 2, the installation plate 3 is fixed with a cylinder 4, the model of the cylinder 4 is SCD50x100-100-LB; the output shaft of the cylinder 4 penetrates the installation plate 3; the output shaft of the cylinder 4 is fixed with a pressing block 5, the pressing block 5 comprises two connecting rods and a pressing ring fixed on the connecting rod, the current valve pressing tool basically adopts this structure, the technology is more mature than the prior art; the installation plate 3 can rotate relative to the support arm 2, the extension angle of the cylinder 4 is adjusted to adapt to different sizes of engine cylinder; when the angle is adjusted, the installation plate 3 is fixed by the fixing piece 6, so that the cylinder 4 remains fixed, then the cylinder 4 is started, the pressing block 5 is extended, the valve spring is extruded, and the lock block is installed by artificial after extruding to the specified position; the present application extrudes the valve spring by the cylinder 4 driving the pressing block 5, instead of artificial extrusion, reduces the installation difficulty, improves the installation efficiency; at the same time, the angle of the installation plate 3 can be adjusted, the angle is adjusted according to different shapes and different sizes of engine cylinder, the application range is wide, and the practicability is improved.

[0025] As shown in the accompanying Figure 1 In the present embodiment, the gas supply pipe 41 and the exhaust pipe 42 of the two cylinders 4 are respectively communicated to the pressing switch 8 through two three-way interfaces 7, the model of the pressing switch 8 is MSV-86522-PLL; then communicated to the air compression equipment, the air compression equipment is used for providing compressed air, the pressing switch 8 is pressed to supply air to the cylinder 4, the three-way interface 7 can make the two cylinders 4 extend at the same time, realize the effect of extruding the valve springs on both sides at the same time.

[0026] As shown in the accompanying Figure 2As shown in the embodiment, the mounting plate 3 is provided with a fixing part 6 for fixing the mounting plate 3 to the support arm 2, the fixing part 6 comprises two fixing lugs 61 fixed on the side of the support arm 2; a rotating shaft 62 horizontally slidable is arranged in the two fixing lugs 61, the rotating shaft 62 can rotate relative to the fixing lugs 61; a threaded cylinder 63 is fixed on the rotating shaft 62; a fixing bolt 64 is threadedly connected in the mounting plate 3, the fixing bolt 64 can be threadedly connected with the threaded cylinder 63; in use, the angle of the mounting plate 3 is adjusted according to the specific engine cylinder valve position, after the angle adjustment is completed, the fixing bolt 64 is screwed to extend, then the horizontal position of the rotating shaft 62 and the angle of the threaded cylinder 63 are adjusted to correspond to the fixing bolt 64, and then the two are threadedly connected; at this time, the fixing bolt 64 and the mounting plate 3 cannot be adjusted in angle, the rotation of the mounting plate 3 and the threaded cylinder 63 is locked, and then the two are fixed, thereby the angle adjustment and fixation of the cylinder 4 are realized.

[0027] As shown in the accompanying drawings, Figure 1 As shown in the embodiment, the mounting plate 3 is provided with a fixing part 6 for fixing the mounting plate 3 to the support arm 2, the fixing part 6 comprises two fixing lugs 61 fixed on the side of the support arm 2; a rotating shaft 62 horizontally slidable is arranged in the two fixing lugs 61, the rotating shaft 62 can rotate relative to the fixing lugs 61; a threaded cylinder 63 is fixed on the rotating shaft 62; a fixing bolt 64 is threadedly connected in the mounting plate 3, the fixing bolt 64 can be threadedly connected with the threaded cylinder 63; in use, the angle of the mounting plate 3 is adjusted according to the specific engine cylinder valve position, after the angle adjustment is completed, the fixing bolt 64 is screwed to extend, then the horizontal position of the rotating shaft 62 and the angle of the threaded cylinder 63 are adjusted to correspond to the fixing bolt 64, and then the two are threadedly connected; at this time, the fixing bolt 64 and the mounting plate 3 cannot be adjusted in angle, the rotation of the mounting plate 3 and the threaded cylinder 63 is locked, and then the two are fixed, thereby the angle adjustment and fixation of the cylinder 4 are realized.

[0028] As shown in the accompanying drawings, Figure 1 As shown in the embodiment, the mounting plate 3 is provided with a fixing part 6 for fixing the mounting plate 3 to the support arm 2, the fixing part 6 comprises two fixing lugs 61 fixed on the side of the support arm 2; a rotating shaft 62 horizontally slidable is arranged in the two fixing lugs 61, the rotating shaft 62 can rotate relative to the fixing lugs 61; a threaded cylinder 63 is fixed on the rotating shaft 62; a fixing bolt 64 is threadedly connected in the mounting plate 3, the fixing bolt 64 can be threadedly connected with the threaded cylinder 63; in use, the angle of the mounting plate 3 is adjusted according to the specific engine cylinder valve position, after the angle adjustment is completed, the fixing bolt 64 is screwed to extend, then the horizontal position of the rotating shaft 62 and the angle of the threaded cylinder 63 are adjusted to correspond to the fixing bolt 64, and then the two are threadedly connected; at this time, the fixing bolt 64 and the mounting plate 3 cannot be adjusted in angle, the rotation of the mounting plate 3 and the threaded cylinder 63 is locked, and then the two are fixed, thereby the angle adjustment and fixation of the cylinder 4 are realized.

[0029] The preferred embodiments of the present application are described in detail above in combination with the accompanying drawings, and the typical known structures and known common technical knowledge are not described in detail here. The ordinary skilled in the art can improve and implement the technical solutions of the present application based on the disclosure of the embodiments, and the typical known structures, known methods or known common technical knowledge should not be an obstacle for the ordinary skilled in the art to implement the present application.

[0030] The scope of protection of the present application shall be subject to the content of its claims, and the content of the specific embodiments and the drawings of the description shall be used to interpret the claims.

[0031] Within the technical concept of the present application, several variations can also be made to the specific embodiments of the present application, and the specific embodiments after the variations should also be considered within the protection scope of the present application.

Claims

1. A valve self-energizing device characterized by: The mounting table is provided with at least one mounting assembly fixed above the mounting table, the mounting assembly is used for pressing and mounting a valve, and the mounting assembly comprises a supporting arm and a mounting plate rotatably arranged on the supporting arm.

2. The automatic valve hold-down apparatus according to claim 1, characterized by: The mounting assembly is provided in pairs and symmetrically.

3. The automatic valve hold-down apparatus according to claim 1, characterized by: The fixing member comprises two supporting ears fixed on the side surface of the supporting arm.

4. The automatic valve hold-down apparatus according to claim 2, characterized by: The rotating shaft is provided with a threaded cylinder.

5. The automatic valve hold-down apparatus according to claim 1, characterized by: The gas supply pipe and the exhaust pipe of the two cylinders are communicated through two three-way interfaces, respectively.

6. The automatic valve hold-down apparatus according to claim 2, characterized by: The mounting table is provided with a plurality of circular grooves, and the circular grooves are provided with a plurality of fixing rods. The mounting table comprises a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are used for placing two mounting assemblies, respectively. The first mounting plate is provided with an adjusting bolt horizontally penetrating the first mounting plate, and the adjusting bolt is threadedly connected with the second mounting plate.

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