CN214951918U

CN214951918U - Automatic thrust testing device for stepping screw motor

Info

Publication number: CN214951918U
Application number: CN202121245732.9U
Authority: CN
Inventors: 丁晓军; 胡小艳
Original assignee: Changzhou Yuanrui Electric Machinery Technology Co ltd
Current assignee: Changzhou Yuanrui Electric Machinery Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-30
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses an automatic testing arrangement of step screw motor thrust, including the benchmark mesa, two fixed linear bearing are all installed on the top left side and the top right side of benchmark mesa, install same direction optical axis on two fixed linear bearing relative around, slidable mounting has same first slider on two direction optical axes, the front side welded fastening of first slider has a welded fastening at the fixed plate seat at benchmark mesa top, the top central authorities rigidity of first slider inlays and is equipped with a top, front side and rear side all set up to open-ended motor cabinet, it has the same second slider that is located first slider rear side still to slidable mounting on two direction optical axes. The utility model discloses utilize pressure sensor to add the structure of spring, display device real-time recording is whole to need artifical the participation, avoids the artificial factor to cause the influence to the measuring accuracy for its measuring accuracy is high.

Description

Automatic thrust testing device for stepping screw motor

Technical Field

The utility model relates to a step screw motor thrust test technical field especially relates to an automatic testing arrangement of step screw motor thrust.

Background

The existing method is a traditional mechanical test, the test precision is low by utilizing a traditional weight loading mode, a plurality of weights are needed to be matched, the test procedure is complicated, the efficiency is low, the number of weights needs to be increased very carefully during the loading test, the operation requirement on the price of a tester is high, the weight of the weights needs to be counted after the test is finished, even the weight is missed or recorded more, the authenticity of test result data is seriously influenced, and based on the problems, the automatic test device for the thrust of the stepping screw motor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing an automatic thrust testing device for a stepping screw motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the automatic thrust testing device for the stepping screw motor comprises a reference table board, wherein two fixed linear bearings are respectively arranged on the left side and the right side of the top of the reference table board, the front fixed linear bearing and the rear fixed linear bearing which are opposite are respectively provided with the same guide optical axis, the two guide optical axes are slidably provided with the same first sliding block, the front side of the first sliding block is fixedly welded and fixed with a fixed plate seat which is fixedly welded and fixed on the top of the reference table board, the central position of the top of the first sliding block is fixedly embedded with a motor seat with the top, the front side and the rear side of the first sliding block are respectively provided with an opening, the two guide optical axes are also slidably provided with the same second sliding block which is positioned at the rear side of the first sliding block, the central position of the top of the second sliding block is provided with a first U-shaped notch with the front side and the rear side both provided with openings, the front side of the second sliding block is fixedly provided with a screw nut positioning plate, the central position of the top of the screw nut positioning plate is provided with a rectangular notch with the front side and the rear side both provided with openings, still slidable mounting has the same third slider that is located the second slider rear side on two direction optical axes, the top central point of third slider puts and has seted up a front side and rear side and all establish to open-ended second U-shaped breach, the front side of second U-shaped breach is equipped with two fixed mounting at the pressure sensor of third slider front side, be equipped with the same fixed mounting at the spring fixed block at benchmark mesa top between two direction optical axes, fixed mounting has a plurality of springs between the front side of spring fixed block and the rear side of third slider.

Preferably, a wire clamping device is fixedly mounted on the front side of the top of the reference table top.

Preferably, a rear side and a front side are all set up to open-ended motor cabinet mounting groove, the inside lateral wall of motor cabinet mounting groove and the outside welded fastening of motor cabinet have been seted up to the top of first slider.

Preferably, the motor cabinet internally mounted has a lead screw motor that contacts with the fixed plate seat rear side, and lead screw motor's output rear end welded fastening has the lead screw, and the rear end of lead screw runs through rectangle breach, first U-shaped breach and second U-shaped breach in proper order to extend to the rear side of third slider, and the outside screw thread cover of lead screw is equipped with a T cylindricality nut that clamps with the inside of rectangle breach, and T cylindricality nut still contacts with the front side of lead screw nut locating plate.

Preferably, the screw motor, the screw and the T-shaped cylindrical nut form a product to be tested.

Preferably, a first bearing mounting through hole is formed in the left side of the front side and the right side of the front side of the first sliding block, and a first flange type linear bearing which is slidably mounted on the outer side of the guide optical axis is fixedly bonded in the first bearing mounting through hole.

Preferably, a second bearing mounting through hole is formed in the left side of the front side and the right side of the front side of the second sliding block, and a second flange type linear bearing which is slidably mounted on the outer side of the guide optical axis is fixedly bonded in the second bearing mounting through hole.

Preferably, a third bearing installation through hole is formed in the left side of the front side and the right side of the front side of the third sliding block, and a third flange type linear bearing which is slidably installed on the outer side of the guide optical axis is fixedly bonded in the third bearing installation through hole.

Preferably, the two pressure sensors are electrically connected with the same display device.

The utility model discloses utilize pressure sensor to add the structure of spring, display device real-time recording is whole to need artifical the participation, avoids the artificial factor to cause the influence to the measuring accuracy for its measuring accuracy is high.

Drawings

Fig. 1 is a schematic perspective view of an automatic thrust testing device for a stepping screw motor according to the present invention;

fig. 2 is a schematic view of a top view of the T-shaped nut of fig. 1 mounted on the rectangular notch.

In the figure: the device comprises a reference table board 1, a wire clamp 2, a fixed linear bearing 3, a guide optical axis 4, a first sliding block 5, a motor base mounting groove 6, a motor base 7, a fixed plate base 8, a second sliding block 9, a first U-shaped notch 10, a lead screw nut positioning plate 11, a rectangular notch 1101, a third sliding block 12, a second U-shaped notch 13, a pressure sensor 14, a spring fixing block 15, a spring 16, a lead screw motor 17, a lead screw 18 and a cylindrical nut 19T.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an automatic thrust testing device for a stepping screw motor comprises a reference table top 1, a wire clamp 2 is fixedly installed on the front side of the top of the reference table top 1, two fixed linear bearings 3 are installed on the left side and the right side of the top of the reference table top 1, the same guide optical axis 4 is installed on the two fixed linear bearings 3 which are opposite from front to back, the same first sliding block 5 is installed on the two guide optical axes 4 in a sliding manner, a first bearing installation through hole is formed in each of the left side and the right side of the front side of the first sliding block 5, a first flange type linear bearing which is installed outside the guide optical axis 4 in a sliding manner is fixedly bonded inside the first bearing installation through hole, a fixed plate seat 8 which is fixedly welded on the top of the reference table top 1 is fixedly welded on the front side of the first sliding block 5, a top portion and a top portion are fixedly embedded in the center position of the first sliding block 5, The front side and the rear side of the first sliding block 5 are both provided with an open-ended motor base 7, the top of the first sliding block 5 is provided with a motor base installation groove 6, the rear side and the front side of which are both provided with an open-ended motor base, the inner side wall of the motor base installation groove 6 is fixedly welded with the outer side of the motor base 7, two guide optical axes 4 are also provided with a second sliding block 9 which is positioned at the rear side of the first sliding block 5 in a sliding manner, the left side and the right side of the front side of the second sliding block 9 are both provided with a second bearing installation through hole, a second flange type linear bearing which is slidably installed with the outer side of the guide optical axis 4 is fixedly bonded inside the second bearing installation through hole, the central position of the top of the second sliding block 9 is provided with a first U-shaped notch 10, the front side and the rear side of which are both provided with an open, the front side of the second sliding block 9 is fixedly provided with a screw nut positioning plate 11, the central position of the top of the screw nut positioning plate 11 is provided with a rectangular notch, the front side and the rear side of which are both provided with open-ended notches 1101, a third slide block 12 which is positioned at the rear side of the second slide block 9 is also arranged on the two guide optical axes 4 in a sliding way, wherein the left side of the front side and the right side of the front side of the third sliding block 12 are both provided with a third bearing mounting through hole, a third flange type linear bearing which is slidably mounted with the outer side of the guide optical axis 4 is fixedly bonded in the third bearing mounting through hole, a second U-shaped notch 13 with the front side and the rear side both provided with openings is formed in the center of the top of the third sliding block 12, two pressure sensors 14 which are fixedly mounted on the front side of the third sliding block 12 are arranged on the front side of the second U-shaped notch 13, the two pressure sensors 14 are electrically connected with the same display device, a same spring fixing block 15 which is fixedly mounted on the top of the reference table board 1 is arranged between the two guide optical axes 4, and a plurality of springs 16 are fixedly mounted between the front side of the spring fixing block 15 and the rear side of the third sliding block 12;

the utility model discloses an internally mounted of motor cabinet 7 has a lead screw motor 17 that contacts with 8 rear sides of fixed plate seat, and lead screw motor 17's output rear end welded fastening has lead screw 18, and rectangle breach 1101, first U-shaped breach 10 and second U-shaped breach 13 are run through in proper order to the rear end of lead screw 18, and extend to the rear side of third slider 12, and the outside screw thread cover of lead screw 18 is equipped with a T cylindricality nut 19 that clamps mutually with rectangle breach 1101 inner part, and T cylindricality nut 19 still contacts with the front side of lead screw nut locating plate 11, and lead screw motor 17, lead screw 18 and T cylindricality nut 19 constitute a examination product that awaits measuring, the utility model discloses utilize pressure sensor 14 to add the structure of spring 16, display device real-time recording is whole need not artifical the participation, avoids the artificial factor to cause the influence to the measuring accuracy, makes its measuring accuracy high.

In the utility model, when the product to be tested is tested, firstly, the screw motor 17 in the product to be tested is installed inside the motor base 7, so that the front side of the screw motor 17 contacts with the rear side of the fixed plate base 8, at this time, the T-shaped cylindrical nut 19 in the product to be tested is clamped in the rectangular notch 1101 at the top of the screw nut positioning plate 11 and contacts with the front side of the screw nut positioning plate 11, then the screw motor 17 is started, the screw motor 17 drives the screw rod 18 to rotate, because the screw rod 18 is in threaded installation with the T-shaped cylindrical nut 19, the screw rod 18 drives the T-shaped cylindrical nut 19 to move to the rear side direction of the reference table board 1, the T-shaped cylindrical nut 19 drives the second slider 9 to slide to the rear side direction of the reference table board 1 at the outer sides of the two guide optical axes 4 through the screw nut positioning plate 11 until the rear side of the second slider 9 contacts with the two pressure sensors 14, because the second slider 9 continues to move to the rear side direction of the reference table board 1, the second slider 9 drives the third slider 12 to slide to the rear side direction of the reference table board 1 outside the two guide optical axes 4 through the two pressure sensors 14, so that the springs 16 are compressed, meanwhile, the two pressure sensors 14 send pressure values detected by the pressure sensors to the display device for storage and display, and the structure that the pressure sensors 14 and the springs 16 are added to the test device is utilized, the display device records in real time without manual participation in the whole process, thereby avoiding the influence of manual factors on the test precision, and ensuring that the test precision is high.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Automatic thrust testing device for stepping screw motor, comprising a reference table board (1), and is characterized in that two fixed linear bearings (3) are respectively installed on the left side and the right side of the top of the reference table board (1), the front and the back of the two fixed linear bearings (3) which are opposite are provided with the same guide optical axis (4), the two guide optical axes (4) are provided with the same first sliding block (5) in a sliding manner, the front side of the first sliding block (5) is fixedly welded with a fixed plate base (8) which is fixedly welded on the top of the reference table board (1), the top central position of the first sliding block (5) is fixedly embedded with a top, the front side and the back side are both provided with open motor bases (7), the two guide optical axes (4) are also slidably installed with the same second sliding block (9) which is positioned on the back side of the first sliding block (5), the top central position of the second sliding block (9) is provided with a first U-shaped notch (10) with an opening on both the front side and the back side, the front side fixed mounting of second slider (9) has a screw-nut locating plate (11), the top central point of screw-nut locating plate (11) has been seted up one front side and rear side and has all set up to open-ended rectangle breach (1101), it has same third slider (12) that are located second slider (9) rear side still slidable mounting on two direction optical axes (4), the top central point of third slider (12) has been seted up one front side and rear side and has all been established to open-ended second U-shaped breach (13), the front side of second U-shaped breach (13) is equipped with two fixed mounting pressure sensor (14) at third slider (12) front side, be equipped with same fixed mounting spring fixed block (15) at benchmark mesa (1) top between two direction optical axes (4), fixed mounting has a plurality of springs (16) between the front side of spring fixed block (15) and the rear side of third slider (12).

2. The automatic thrust testing device for the stepping screw motor according to claim 1, wherein a wire clamping device (2) is fixedly mounted on the front side of the top of the reference table top (1).

3. The automatic testing device for the thrust of the stepping screw motor according to claim 1, wherein a motor base mounting groove (6) with an opening formed in the rear side and the front side is formed in the top of the first sliding block (5), and the inner side wall of the motor base mounting groove (6) is welded and fixed with the outer side of the motor base (7).

4. The automatic thrust testing device of the stepping screw motor according to claim 1, wherein a screw motor (17) in contact with the rear side of the fixed plate base (8) is installed inside the motor base (7), a screw (18) is fixedly welded to the rear end of the output end of the screw motor (17), the rear end of the screw (18) sequentially penetrates through the rectangular notch (1101), the first U-shaped notch (10) and the second U-shaped notch (13) and extends to the rear side of the third slider (12), a T-shaped cylindrical nut (19) clamped in the rectangular notch (1101) is sleeved on the outer side thread of the screw (18), and the T-shaped cylindrical nut (19) is also in contact with the front side of the screw nut positioning plate (11).

5. The automatic test device for the thrust of the stepping screw motor according to claim 4, wherein the screw motor (17), the screw (18) and the T-shaped cylindrical nut (19) form a product to be tested.

6. The automatic thrust testing device of the stepping screw motor according to claim 1, wherein a first bearing mounting through hole is formed in each of the left side and the right side of the front side of the first slider (5), and a first flange-type linear bearing slidably mounted on the outer side of the guide optical axis (4) is fixedly bonded in the first bearing mounting through hole.

7. The automatic thrust testing device of the stepping screw motor according to claim 1, wherein a second bearing mounting through hole is formed in each of the left side and the right side of the front side of the second slider (9), and a second flange-type linear bearing slidably mounted on the outer side of the guide optical axis (4) is fixedly bonded inside the second bearing mounting through hole.

8. The automatic thrust testing device of the stepping screw motor according to claim 1, wherein a third bearing mounting through hole is formed in each of the left side and the right side of the front side of the third slider (12), and a third flange-type linear bearing slidably mounted on the outer side of the guide optical axis (4) is fixedly bonded in the third bearing mounting through hole.

9. The automatic thrust testing device for the stepper screw motor according to claim 1, wherein the two pressure sensors (14) are electrically connected to the same display device.