Positioning tool for assembling vacuum pump

Abstract

The utility model discloses a positioning tool for vacuum pump assembly, which comprises a supporting device for supporting and a first servo motor, the first servo motor is fixedly arranged on the side end face of the supporting device close to the bottom, and a second bidirectional screw rod is fixedly arranged at the output end of the first servo motor. When vacuum pump accessories with different sizes and models are positioned, the first servo motor and the second servo motor can respectively drive the second bidirectional lead screw and the first bidirectional lead screw to rotate; further, a second two-way screw rod and a first two-way screw rod can carry out all-directional size adjustment on the vacuum pump accessories in the transverse direction and the longitudinal direction, and the adaptability of positioning and limiting of the equipment on the vacuum pump accessories of different models and sizes is effectively improved, and meanwhile a three-axis air cylinder can lock a rubber protection plate to the upper portions of the vacuum pump accessories through a fixing push rod; and the locking stability of the vacuum pump accessory is effectively improved, and meanwhile, the protection performance of limiting the vacuum pump accessory is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pump equipment, in particular to a positioning tool for assembling a vacuum pump. Background Art

[0002] The vacuum pump assembly positioning tool is an auxiliary tool used to ensure the precise positioning and fixation of each component during the vacuum pump assembly process. It can improve assembly accuracy and efficiency, reduce human operation errors, and ensure the quality and performance of the vacuum pump.

[0003] For example, the utility model patent disclosed in the publication number CN219075433U discloses a vacuum pump cover positioning tool, including a positioning shaft; the positioning shaft is coaxially matched with the air pipe of the pump cover; the shaft body of the positioning shaft located in the air pipe has an expansion support, and the air pipe is supported internally by the expansion support in an expanded state, so as to position the pump cover relative to the positioning shaft. The vacuum pump cover positioning tool provided by the utility model realizes the uncovered positioning operation of the pump cover body by coaxially matching and internally supporting the positioning shaft with the expansion support and the air pipe of the pump cover, so as to facilitate subsequent processing thereof.

[0004] Although the above-mentioned equipment can lock and limit the cylinder head of the vacuum pump, it is not convenient to lock and limit the cylinder heads of different models and sizes according to the assembly requirements, thereby reducing the efficiency of the subsequent assembly of the vacuum pump. Therefore, a positioning tool for vacuum pump assembly is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a positioning tool for assembling a vacuum pump to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning tool for vacuum pump assembly, comprising a supporting device for supporting,

[0007] A first servo motor, wherein the first servo motor is fixedly arranged at a side end surface of the supporting device near the bottom, and a second bidirectional screw is fixedly arranged at an output end of the first servo motor;

[0008] A second servo motor, wherein the second servo motor is fixedly arranged at a rear end surface of the support device near an upper portion, and a first bidirectional lead screw is fixedly arranged at an output end of the second servo motor;

[0009] A positioning device, wherein the positioning device is provided with four groups in total, and the first bidirectional screw rod and the second bidirectional screw rod are both threadedly connected to the positioning device, and the positioning device is threadedly slidably connected to the inside of the supporting device through the first bidirectional screw rod and the second bidirectional screw rod;

[0010] Vacuum pump accessories, the upper end surface of the supporting device is fixedly connected with the vacuum pump accessories through the positioning device.

[0011] Preferably, the positioning device includes a ball slide, a clamping plate is fixedly provided on the upper end surface of the ball slide, a three-axis cylinder is fixedly provided at the center of the upper end surface of the clamping plate, a fixed push rod is provided at the bottom of the three-axis cylinder, and a rubber guard plate is fixedly provided on the lower end surface of the fixed push rod.

[0012] Preferably, the supporting device comprises a connecting base, the inner end surface of the connecting base is provided with two groups of supporting sliding grooves in the transverse direction, and the inner end surface of the connecting base is provided with two groups of fixing guide grooves in the longitudinal direction.

[0013] Preferably, the ball slide is threadably connected to the inside of the support groove through the first bidirectional screw, which can effectively improve the accuracy and stability of the equipment in positioning vacuum pump accessories of different lengths and models.

[0014] Preferably, the ball slide is threadably connected to the interior of the fixed guide groove through the second bidirectional screw, which can effectively improve the accuracy and stability of the equipment in positioning vacuum pump accessories of different lengths and models.

[0015] Preferably, the fixed push rod is press-connected with the upper end surface of the vacuum pump accessory through the rubber guard plate. The rubber guard plate is made of rubber and can press-limit the upper part of the vacuum pump accessory, thereby improving the stability and protection of the subsequent locking of the vacuum pump accessory.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. When positioning vacuum pump accessories of different sizes and models, the first servo motor and the second servo motor can respectively drive the second bidirectional screw and the first bidirectional screw to rotate, so that the second bidirectional screw and the first bidirectional screw can perform all-round size adjustment of the vacuum pump accessories in the horizontal and vertical directions, effectively improving the adaptability of the equipment to positioning and limiting vacuum pump accessories of different models and sizes. At the same time, the three-axis cylinder can lock the rubber guard plate on the upper part of the vacuum pump accessories by fixing the push rod, effectively improving the stability of the locking of the vacuum pump accessories, and also improving the protective performance of the limiting of the vacuum pump accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a disassembled diagram of the main body of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the positioning device of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the support device of the utility model.

[0022] In the figure: 1-first bidirectional screw, 2-positioning device, 3-second bidirectional screw, 4-support device, 5-first servo motor, 6-second servo motor, 7-vacuum pump accessories, 21-fixed push rod, 22-three-axis cylinder, 23-clamping card plate, 24-rubber guard plate, 25-ball slide, 41-fixed guide groove, 42-support slide groove, 43-connecting base. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figure 1-4 The utility model provides an embodiment: a positioning tool for vacuum pump assembly, including a supporting device 4 for supporting,

[0025] A first servo motor 5, which is fixedly arranged on the side end surface of the support device 4 near the bottom, and a second bidirectional screw rod 3 is fixedly arranged at the output end of the first servo motor 5;

[0026] A second servo motor 6, which is fixedly arranged on the rear end surface of the support device 4 near the upper part, and a first bidirectional screw rod 1 is fixedly arranged at the output end of the second servo motor 6;

[0027] The positioning device 2 is provided with four groups in total, and the first bidirectional screw rod 1 and the second bidirectional screw rod 3 are both threadedly connected to the positioning device 2, and the positioning device 2 is threadedly slidably connected to the inside of the supporting device 4 through the first bidirectional screw rod 1 and the second bidirectional screw rod 3;

[0028] The upper end surface of the vacuum pump accessory 7 and the supporting device 4 are fixedly connected with the vacuum pump accessory 7 through the positioning device 2 .

[0029] The positioning device 2 includes a ball slide 25, a clamping plate 23 is fixedly provided on the upper end surface of the ball slide 25, and a three-axis cylinder 22 is fixedly provided at the center of the upper end surface of the clamping plate 23, a fixed push rod 21 is provided at the bottom of the three-axis cylinder 22, and a rubber guard plate 24 is fixedly provided on the lower end surface of the fixed push rod 21.

[0030] The supporting device 4 comprises a connecting base 43 , an inner end surface of the connecting base 43 is provided with two groups of supporting sliding grooves 42 in a transverse direction, and an inner end surface of the connecting base 43 is provided with two groups of fixing guide grooves 41 in a longitudinal direction.

[0031] The ball slide 25 is threadedly connected to the inside of the support slide groove 42 through the first bidirectional screw 1, which can effectively improve the accuracy and stability of the equipment in positioning vacuum pump accessories 7 of different lengths and models.

[0032] The ball slide 25 is threadedly connected to the interior of the fixed guide groove 41 through the second bidirectional screw 3, which can effectively improve the accuracy and stability of the equipment in positioning vacuum pump accessories 7 of different lengths and models.

[0033] The fixed push rod 21 is pressed and connected to the upper end surface of the vacuum pump accessory 7 through a rubber protective plate 24. The rubber protective plate 24 is made of rubber and can press and limit the upper part of the vacuum pump accessory 7, thereby improving the stability and protection of the subsequent locking of the vacuum pump accessory 7.

[0034] Working principle: before processing and positioning the vacuum pump accessories, the staff can make pre-adjustments according to the size of the vacuum accessories. First, the first servo motor 5 can be started. At this time, the first servo motor 5 can drive the second bidirectional screw 3 to rotate, and the second bidirectional screw 3 can synchronously drive the two groups of positioning devices 2 to perform centripetal and centrifugal displacements, thereby adjusting the limit spacing of the two groups of positioning devices 2 from the longitudinal direction. Then the user can start the first servo motor 5, and the first servo motor 5 can synchronously drive the two groups of side positioning devices 2 to perform centripetal and centrifugal displacements through the second bidirectional screw 3, thereby adjusting the limit spacing of the two groups of positioning devices 2 from the transverse direction. After the adjustment is completed, the user can introduce the vacuum pump accessories into the upper part of the supporting device 4 through the feeding module. After the positioning is completed, the first servo motor 5 and the second servo motor 6 can be started synchronously, thereby driving the four groups of clamping cards 23 to limit the sides of the vacuum pump accessories in all directions. After the limiting is completed, the four groups of three-axis cylinders 22 can lock the upper part of the vacuum pump again through the fixed push rod 21, thereby improving the stability of subsequent processing of the vacuum pump accessories.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning tool for assembling a vacuum pump, comprising a supporting device (4) for supporting, characterized in that: A first servo motor (5), the first servo motor (5) being fixedly arranged on a side end surface of the support device (4) near the bottom, and a second bidirectional screw rod (3) being fixedly arranged at an output end of the first servo motor (5); a second servo motor (6), the second servo motor (6) being fixedly arranged on the rear end surface of the support device (4) near the upper part, and a first bidirectional screw rod (1) being fixedly arranged at the output end of the second servo motor (6); A positioning device (2), wherein the positioning device (2) is provided with four groups in total, and the first bidirectional screw rod (1) and the second bidirectional screw rod (3) are both threadedly connected to the positioning device (2), and the positioning device (2) is threadedly slidably connected to the inside of the supporting device (4) through the first bidirectional screw rod (1) and the second bidirectional screw rod (3); A vacuum pump accessory (7), wherein the upper end surface of the support device (4) is fixedly connected to the vacuum pump accessory (7) through the positioning device (2).

2. A positioning tool for vacuum pump assembly according to claim 1, characterized in that: The positioning device (2) comprises a ball bearing slide (25), a clamping card plate (23) is fixedly arranged on the upper end surface of the ball bearing slide (25), a three-axis cylinder (22) is fixedly arranged at the center of the upper end surface of the clamping card plate (23), a fixed push rod (21) is arranged at the bottom of the three-axis cylinder (22), and a rubber protective plate (24) is fixedly arranged on the lower end surface of the fixed push rod (21).

3. A positioning tool for vacuum pump assembly according to claim 2, characterized in that: The supporting device (4) comprises a connecting base (43), the inner end surface of the connecting base (43) is provided with two groups of supporting sliding grooves (42) in the transverse direction, and the inner end surface of the connecting base (43) is provided with two groups of fixing guide grooves (41) in the longitudinal direction.

4. A positioning tool for vacuum pump assembly according to claim 3, characterized in that: The ball sliding seat (25) is threadably connected to the interior of the supporting sliding groove (42) via the first bidirectional screw rod (1).

5. The positioning tool for vacuum pump assembly according to claim 3, characterized in that: The ball sliding seat (25) is threadably connected to the interior of the fixed guide groove (41) via the second bidirectional screw rod (3).

6. A positioning tool for vacuum pump assembly according to claim 3, characterized in that: The fixed push rod (21) is press-fitted and connected to the upper end surface of the vacuum pump accessory (7) via the rubber protective plate (24).

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