Assembling jig for vacuum pump

Abstract

The utility model provides an assembling jig for a vacuum pump, which belongs to the technical field of jigs and comprises a vertical connecting rod, a fixing plate horizontally sleeved at the upper end of the connecting rod, fixing holes formed in corners of the fixing plate, a longitudinal bottom plate horizontally arranged at the lower end of the connecting rod, barrier strips arranged on the front side and the rear side of the connecting rod, one ends of the two barrier strips are respectively connected with the bottom plate, and the other ends of the barrier strips are respectively connected with the connecting rod. The assembling jig for the vacuum pump solves the problems that an existing jig is generally complex in structure, high in maintenance cost, inflexible in operation, low in efficiency, inconvenient to assemble and inconvenient to carry, and the assembling jig for the vacuum pump has the advantages of being simple in structure, convenient to operate, high in practicability and the like. And meanwhile, the problem that precise devices in the pump body are easy to damage or deform in the process of assembling the vacuum pump is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of jigs, and in particular relates to an assembly jig for a vacuum pump. Background Art

[0002] A vacuum pump is a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate the container to obtain a vacuum. Generally speaking, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space; a fixture is a mechanical, electronically controlled tool that is mainly used to assist in controlling position or movement.

[0003] At present, a jig is used to disassemble and assemble a vacuum pump. When the existing jig is used to assemble the rotor in the vacuum pump, one end of the jig needs to be clamped on the rotor and then a certain force is applied. In this process, the precision components in the pump body are easily damaged or deformed. In addition, the existing jig is generally complex in structure, high in maintenance cost, inflexible in operation, low in efficiency, inconvenient for disassembly and assembly, and inconvenient to carry. Therefore, an assembly jig for a vacuum pump is needed to solve this problem. Utility Model Content

[0004] To achieve the above-mentioned purpose, the utility model provides an assembly jig for a vacuum pump, comprising a vertical connecting rod, a fixing plate horizontally sleeved on the upper end of the connecting rod, fixing holes are opened at the corners of the fixing plate, a longitudinal bottom plate is horizontally provided at the lower end of the connecting rod, and baffles are provided on the front and rear sides of the connecting rod, one end of two baffles are respectively connected to the bottom plate, and the other ends of the two baffles are inclined in the same direction toward the outside.

[0005] Furthermore, a first through hole matching the connecting rod is opened in the middle of the fixing plate, and the fixing plate is composed of two connecting plates spliced ​​together.

[0006] Furthermore, the lower end of the connecting rod is fixed to the middle part of the upper surface of the base plate, and the front and rear sides of the base plate are provided with a cavity opening upward, and a longitudinal shaft rod is horizontally arranged in the cavity, and both ends of the shaft rod are respectively fixed on the inner side wall of the cavity on the base plate, and a shaft sleeve is rotatably provided on the shaft rod, and the two baffles are respectively connected to the adjacent shaft sleeves.

[0007] Furthermore, a first limiting hole is opened at both front and rear ends of the right side of the base plate, a group of second limiting holes matching the first limiting holes is opened on the bushing, a third limiting hole matching the first limiting hole is opened at the right side of the two shaft rods, and limiting pins matching the first limiting holes are horizontally provided at both front and rear ends of the right side of the base plate, and the limiting pins pass through the first limiting hole and the second limiting hole in sequence and are located in the third limiting hole.

[0008] Furthermore, the baffle is fixed to one end of the sleeve, a group of the second limiting holes is located at the other end of the sleeve, and the distances from the two groups of the second limiting holes to the connecting rod are equal, and the distances from the two baffles to the connecting rod are equal.

[0009] Furthermore, the number of the second limiting holes in a group is set to three, so that the angles between the three second limiting holes in each group and the connecting rod are 30°, 45° and 60° respectively.

[0010] The utility model has the advantages that: the utility model provides an assembly jig for a vacuum pump, which can improve assembly efficiency, make the assembly process more standardized and normalized, reduce operation time and labor cost; ensure assembly quality, ensure that the installation position and method of each component are accurate, and improve product quality and stability; reduce error rate, reduce the possibility of human operation errors, and improve assembly accuracy; have strong adaptability, and can adapt to the assembly needs of vacuum pumps of different specifications and models; improve production flexibility, and facilitate adjustment and improvement according to production needs; ensure operation safety, provide certain protection for operators, and reduce safety risks; have good repeatability, ensure that the results of each assembly are consistent, and are conducive to quality control; facilitate training and handover, so that new employees can quickly master assembly skills and reduce training time; reduce damage to parts and components, and reduce the risk of damage to parts and components during assembly; improve process stability, help maintain a stable production process, improve product consistency, solve the problems of existing jigs that are generally complex in structure, high in maintenance cost, inflexible in operation, low in efficiency, inconvenient to assemble, and inconvenient to carry, and avoid the problem that the precision components in the pump body are easily damaged or deformed during the process of assembling the vacuum pump.

[0011] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a structural schematic diagram of a fixed plate of the utility model.

[0014] Figure 3 It is a cross-sectional view of the top structure of the bottom plate of the utility model.

[0015] Figure 4 It is an enlarged view of the structure of point A of the utility model.

[0016] Explanation of the accompanying drawings: 1. connecting rod; 2. fixing plate; 21. connecting plate; 3. fixing hole; 4. bottom plate; 5. blocking bar; 6. first through hole; 7. first limiting hole; 8. cavity; 9. shaft rod; 10. shaft sleeve; 11. third limiting hole; 12. second limiting hole; 13. limiting pin. DETAILED DESCRIPTION

[0017] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "aligned", "overlap", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0021] Example 1

[0022] This embodiment provides Figure 1 to Figure 4 An assembly jig for a vacuum pump is shown, comprising a vertical connecting rod 1, a fixing plate 2 is horizontally sleeved on the upper end of the connecting rod 1, a first through hole 6 matching the connecting rod 1 is opened in the middle of the fixing plate 2, the fixing plate 2 is composed of two connecting plates 21, fixing holes 3 are opened at the corners of the fixing plate 2, a longitudinal bottom plate 4 is horizontally provided at the lower end of the connecting rod 1, and baffles 5 are provided on the front and rear sides of the connecting rod 1, one end of the two baffles 5 is respectively connected to the bottom plate 4, and the other ends of the two baffles 5 are both inclined in the same direction toward the outside.

[0023] When in use, first assemble the two connecting plates 21 into the fixing plate 2 and fix it on the connecting rod 1, and then put the two connecting plates 21 directly into the air inlet of the vacuum pump. There are two rotors in the mouth of the air inlet. The connecting plate 21 is fixed to the rotor through the fixing hole 3 and the bolt. At the same time, the lower end of the connecting rod 1 is put into the two rotors in the air inlet. The two baffles 5 on the connecting rod 1 block the two rotors, so that the baffles 5 can fix the two rotors synchronously to prevent the rotors from rotating, so as to facilitate the adjustment of the gap between the rotors and ensure that the error does not exceed 1 wire. Finally, the specific assembly and disassembly steps can be based on the existing technology, wherein an auxiliary plug that matches the shape of the air inlet is used. The plug is elastic and can fix the baffle 5, and the two rotors are synchronously fixed by the fixing plate 2 that is integrated with the baffle 5.

[0024] In addition, when placing the lower end of the connecting rod 1 into the two rotors in the air inlet, the staff can adjust the distance between the fixing plate 2 and the connecting rod 1 according to the model and size of the vacuum pump, for example, the model of the vacuum pump is IXH645, so that when the fixing plate 2 enters the air inlet and is fixed on the rotor, the distance between the lower end of the connecting rod 1 and the two rotors of the vacuum pump is just right. The overall material of the assembly fixture is aluminum alloy.

[0025] Furthermore, the lower end of the connecting rod 1 is fixed to the middle of the upper surface of the bottom plate 4, and a cavity 8 with an opening upward is provided on the front and rear sides of the bottom plate 4. A longitudinal shaft rod 9 is horizontally provided in the cavity 8. The two ends of the shaft rod 9 are respectively fixed to the inner side walls of the cavity 8 on the bottom plate 4. A shaft sleeve 10 is rotatably sleeved on the shaft rod 9. Two stoppers 5 are respectively connected to the adjacent shaft sleeves 10. A first limiting hole 7 is provided at the front and rear ends of the right side of the bottom plate 4. A group of second limiting holes 12 matching the first limiting holes 7 are provided on the shaft sleeve 10, wherein the stopper 5 is fixed to one end of the shaft sleeve 10, and a second limiting hole 12 matching the first limiting hole 7 is provided on the shaft sleeve 10. The second limit hole 12 of the group is located at the other end of the sleeve 10, and the distances from the two groups of second limit holes 12 to the connecting rod 1 are equal, the distances from the two baffles 5 to the connecting rod 1 are equal, and the third limit holes 11 matching the first limit holes 7 are opened on the right side of the two shaft rods 9, and limit pins 13 matching the first limit holes 7 are horizontally provided at the front and rear ends of the right side of the base plate 4. The positions of the first limit hole 7, the second limit hole 12 and the third limit hole 11 correspond one to one, and the limit pin 13 passes through the first limit hole 7 and the second limit hole 12 in sequence and is located in the third limit hole 11.

[0026] By cooperating with the shaft rod 9, the shaft sleeve 10 and the baffle bar 5, the staff can adjust the inclination angle of the baffle bar 5 as needed, and by cooperating with the first limiting hole 7, the second limiting hole 12 and the third limiting hole 11, as well as the limiting pin 13, the baffle bar 5 can be fixed after being adjusted to a suitable inclination angle, wherein the number of a group of second limiting holes 12 is set to three, so that the angles between the three second limiting holes 12 in each group and the connecting rod 1 are 30°, 45° and 60° respectively, so that the inclination angle of the baffle bar 5 can be adjusted to 30°, 45° and 60°.

[0027] The utility model provides an assembly jig for a vacuum pump, which can improve assembly efficiency, make the assembly process more standardized and normalized, reduce operation time and labor cost, ensure assembly quality, ensure that the installation position and method of each component are accurate, and improve product quality and stability, reduce error rate, reduce the possibility of human operation errors, and improve assembly accuracy, have strong adaptability, and can adapt to the assembly needs of vacuum pumps of different specifications and models, improve production flexibility, and facilitate adjustment and improvement according to production needs, ensure operational safety, provide certain protection for operators, and reduce safety risks, have good repeatability, ensure that the results of each assembly are consistent, and are conducive to quality control, facilitate training and handover, so that new employees can quickly master assembly skills and reduce training time, reduce damage to parts and components, and reduce the risk of damage to parts and components during assembly, improve process stability, help maintain a stable production process, improve product consistency, and solve the problems of existing jigs that are generally complex in structure, high in maintenance cost, inflexible in operation, low in efficiency, inconvenient to assemble, and inconvenient to carry, while avoiding the problem that the precision components in the pump body are easily damaged or deformed during the assembly of the vacuum pump.

[0028] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An assembly jig for a vacuum pump, characterized in that: The invention comprises a vertical connecting rod (1), wherein a fixing plate (2) is horizontally sleeved on the upper end of the connecting rod (1), and fixing holes (3) are provided at the corners of the fixing plate (2); a longitudinal bottom plate (4) is horizontally provided on the lower end of the connecting rod (1), and baffles (5) are provided on both the front and rear sides of the connecting rod (1), and one end of two baffles (5) are respectively connected to the bottom plate (4), and the other ends of the two baffles (5) are both inclined in the same direction toward the outside.

2. An assembly jig for a vacuum pump according to claim 1, characterized in that: A first through hole (6) matching the connecting rod (1) is provided in the middle of the fixing plate (2), and the fixing plate (2) is composed of two connecting plates (21) spliced ​​together.

3. An assembly jig for a vacuum pump according to claim 1, characterized in that: The lower end of the connecting rod (1) is fixed to the middle part of the upper surface of the base plate (4); the front and rear sides of the base plate (4) are both provided with cavities (8) opening upward; a longitudinal shaft rod (9) is horizontally provided in the cavity (8); the two ends of the shaft rod (9) are respectively fixed to the inner side wall of the cavity (8) on the base plate (4); a shaft sleeve (10) is rotatably sleeved on the shaft rod (9); and the two blocking bars (5) are respectively connected to the adjacent shaft sleeves (10).

4. An assembly jig for a vacuum pump as claimed in claim 3, characterized in that: The first limiting holes (7) are provided at both front and rear ends of the right side of the base plate (4); a group of second limiting holes (12) matching the first limiting holes (7) are provided on the shaft sleeve (10); third limiting holes (11) matching the first limiting holes (7) are provided at the right sides of the two shaft rods (9); limiting pins (13) matching the first limiting holes (7) are horizontally provided at both front and rear ends of the right side of the base plate (4); the limiting pins (13) pass through the first limiting hole (7) and the second limiting hole (12) in sequence and are located in the third limiting hole (11).

5. An assembly jig for a vacuum pump as claimed in claim 4, characterized in that: The baffle (5) is fixed to one end of the shaft sleeve (10), a group of the second limiting holes (12) is located at the other end of the shaft sleeve (10), and the distances between the two groups of the second limiting holes (12) and the connecting rod (1) are equal, and the distances between the two baffles (5) and the connecting rod (1) are equal.

6. An assembly jig for a vacuum pump as claimed in claim 4, characterized in that: The number of the second limiting holes (12) in a group is set to three, so that the included angles between the three second limiting holes (12) in each group and the connecting rod (1) are 30°, 45° and 60° respectively.

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