A six-dimensional force sensor with high precision in z-axis direction force measurement and a method of using the same

Abstract

The application relates to the technical field of sensors, and discloses a six-dimensional force sensor with accurate Z-axis direction force measurement and a use method thereof, which comprises a base body and a flange connected with the base body through bolts, a placing groove is formed in the outer wall of the flange, a silicon rubber ring is arranged in the placing groove, a rotating groove is formed in the outer wall of the base body, an inner tooth ring is rotationally connected in the rotating groove, a plurality of sliding grooves are formed in the base body and communicated with the rotating groove, a gear bolt meshed with the inner tooth ring is rotationally connected to the bottom surface of the sliding groove, and a top block threadedly connected with the gear bolt is slidably connected in the sliding groove. The silicon rubber ring arranged in the placing groove on the flange can achieve good sealing effect after the flange is connected with the base body. By pulling the handle, the inner tooth ring drives the plurality of gear bolts to rotate, drives the top block to slide upwards in the sliding groove, and drives the flange to be ejected from the base body, so that the flange can be conveniently disassembled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sensors, in particular to a six-dimensional force sensor with accurate force measurement in the Z-axis direction and a use method thereof. BACKGROUND

[0002] The six-dimensional force sensor is a kind of multi-dimensional force sensor, and is also the most complete form of multi-dimensional force. The calibration of the six-dimensional force sensor is carried out under the assumption that the sensor system is a linear system, that is, the static mathematical model of the sensor satisfies F=CV, and it is also the most widely used multi-dimensional force sensor.

[0003] The existing six-dimensional force sensor shell is mainly composed of a base and a flange, but the existing flange is only connected by bolts, and the sealing effect is poor. Dust, liquid and the like can easily enter the base, causing damage to the internal electrical components, and the outer wall of the flange is attached to the inner wall of the base body during installation, which is not convenient for taking out the flange from the base body during disassembly. SUMMARY

[0004] Technical problems to be solved

[0005] In view of the deficiencies of the prior art, the present application provides a six-dimensional force sensor with accurate force measurement in the Z-axis direction and a use method thereof to solve the problems raised in the background art.

[0006] (II) Technical solutions

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a six-dimensional force sensor with accurate force measurement in the Z-axis direction, comprising a base body and a flange connected to the base body by bolts, a placing groove is formed on the outer wall of the flange, a silicone rubber ring is arranged in the placing groove, a rotating groove is formed on the outer wall of the base body, an inner tooth ring is rotatably connected in the rotating groove, a plurality of sliding grooves are formed in the base body and communicate with the rotating groove, a gear bolt is rotatably connected to the bottom surface of the sliding groove and meshingly connected to the inner tooth ring, a top block is slidably connected in the sliding groove and threadedly connected to the gear bolt, a plurality of threaded holes are formed on the outer wall of the inner tooth ring, and a handle is threadedly connected in the threaded hole.

[0008] Preferably, the outer wall of the flange is provided with a sealing silicone ring, and the sealing silicone ring is matched with the placing groove, the silicone rubber ring and the base body.

[0009] Preferably, the number of sliding grooves is not less than four, and the plurality of sliding grooves are evenly distributed.

[0010] Preferably, a non-slip pattern is formed on the handle, and the angle of the non-slip pattern is set to be inclined at forty-five degrees.

[0011] Preferably, the base body is integrally formed without the need for bolt connection.

[0012] The application relates to a use method of a Z-axis direction force precise six-dimensional force sensor, wherein a silicone rubber ring is arranged in a placing groove on a flange, an outer wall of the flange is provided with a sealing silica gel ring matched with the placing groove, the silicone rubber ring and a base body, and the sealing performance of the flange is improved after the flange is connected with the base body.

[0013] When the flange and the base body are disassembled, the handle is screwed into the threaded hole, then the handle is pulled, if the handle is blocked by the side wall of the rotating groove, the handle is unscrewed and screwed into another threaded hole, and the process is repeated, so that the inner tooth ring rotates in the rotating groove, the plurality of gear bolts are driven to rotate, the top block is driven to slide upwards in the sliding groove, and the flange is pushed out from the base body.

[0014] The base body is integrally formed, does not need to be connected by bolts, and the measurement precision is improved.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] The silicone rubber ring is arranged in the placing groove on the flange, the sealing effect of the flange is good after the flange is connected with the base body, the handle is pulled, the inner tooth ring drives the plurality of gear bolts to rotate, the top block is driven to slide upwards in the sliding groove, and the flange is pushed out from the base body, so that the flange is conveniently disassembled.

[0018] The outer wall of the flange is provided with the sealing silica gel ring, the sealing silica gel ring is arranged in matching with the placing groove, the silicone rubber ring and the base body, and the sealing effect of the flange after being connected with the base body is further improved. DETAILED DESCRIPTION

[0019] Figure 1 It is a whole structure schematic view of the application;

[0020] Figure 2 It is a sectional structure schematic view of the base body and the flange of the application;

[0021] Figure 3 It is Figure 2 It is a structure schematic view of the structure at A in the middle;

[0022] Figure 4 It is a structure schematic view of the gear bolt and the top block of the application;

[0023] Figure 5 It is a structure schematic view of the inner tooth ring of the application.

[0024] In the figure: 1, base body; 2, flange; 3, placing groove; 4, silicone rubber ring; 5, sealing silica gel ring; 6, inner tooth ring; 7, sliding groove; 8, top block; 9, gear bolt; 10, threaded hole; 11, handle; 12, rotating groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figures 1-5 The present application relates to a kind of six-dimensional force sensors of Z-axis direction force measurement precision, including base body 1 and with the flange 2 of base body 1 through bolt connection, the outer wall of flange 2 is set with placement slot 3, silicon rubber ring 4 is arranged in placement slot 3, the outer wall of base body 1 is set with rotation slot 12, rotation slot 12 is rotatably connected with inner tooth ring 6, base body 1 is set with multiple sliding slot 7 with rotation slot 12 communication, the bottom surface of sliding slot 7 is rotatably connected with the gear bolt 9 of meshing connection with inner tooth ring 6, sliding slot 7 is slidably connected with the top block 8 of screw connection with gear bolt 9, multiple threaded holes 10 are set on the outer wall of inner tooth ring 6, handle 11 is screw connected on threaded hole 10, by setting silicon rubber ring 4 in the placement slot 3 on flange 2, after flange 2 is connected with base body 1, good sealing effect;When needing to disassemble flange 2 and base body 1, handle 11 is screwed into threaded hole 10, then pull handle 11, if pull to the side wall of rotation slot 12 blocks handle 11, then handle 11 is screwed down, is screwed into another threaded hole 10, so repeatedly, make inner tooth ring 6 rotate in rotation slot 12, drive multiple gear bolts 9 to rotate, make top block 8 slide upwards in sliding slot 7, flange 2 is ejected from base body 1, facilitate the disassembly of flange 2.

[0027] The present application relates to a kind of six-dimensional force sensors of Z-axis direction force measurement precision, in the placement slot 3 on flange 2 setting silicon rubber ring 4, the outer wall of flange 2 is provided with and is matched with the sealing silica gel ring 5 of placement slot 3, silicon rubber ring 4 and base body 1, after flange 2 is connected with base body 1, improve sealing performance.

[0028] When flange 2 and base body 1 are disassembled, handle 11 is screwed into threaded hole 10, then pull handle 11, if pull to the side wall of rotation slot 12 blocks handle 11, then handle 11 is screwed down, is screwed into another threaded hole 10, so repeatedly, make inner tooth ring 6 rotate in rotation slot 12, drive multiple gear bolts 9 to rotate, make top block 8 slide upwards in sliding slot 7, flange 2 is ejected from base body 1.

[0029] The base body 1 is integrally formed, without bolt connection, improve measurement accuracy.

[0030] Please refer to Figure 2 ,3 The outer wall of flange 2 is provided with a sealing silicone ring 5. The sealing silicone ring 5 is matched with the placement groove 3, the silicone rubber ring 4 and the base body 1. The sealing silicone ring 5 further enhances the sealing effect after flange 2 is connected to base body 1.

[0031] Please see Figure 2 , 3 The number of slide grooves 7 is not less than four, and the multiple slide grooves 7 are evenly distributed so that when the top block 8 pushes the flange 2, the flange 2 is subjected to uniform force, avoiding the phenomenon of the flange 2 tilting and getting stuck.

[0032] Please see Figure 1 The handle 11 has anti-slip texture, and the anti-slip texture is set at an angle of 45 degrees. The anti-slip texture increases the friction of the handle 11, making it easier to rotate and pull the handle 11. The anti-slip texture set at 45 degrees has a better anti-slip and wear-resistant effect, and can be arranged more compactly.

[0033] Please see Figure 2 The base body 1 is integrally formed without bolts. During use, the base body 1 is more stable, reducing deformation and shaking, and greatly improving measurement accuracy.

[0034] Working principle: By setting a silicone rubber ring 4 in the placement groove 3 on the flange 2, and providing a sealing silicone ring 5 on the outer wall of the flange 2 that matches the placement groove 3, silicone rubber ring 4 and base body 1, the flange 2 has a good sealing effect after being connected to the base body 1. When it is necessary to disassemble the flange 2 and the base body 1, screw the handle 11 into the threaded hole 10, and then pull the handle 11. If the handle 11 is blocked by the side wall of the rotating groove 12, then unscrew the handle 11 and screw it into another threaded hole 10. Repeat this process to make the internal gear ring 6 rotate in the rotating groove 12, drive multiple gear bolts 9 to rotate, and make the top block 8 slide upward in the sliding groove 7, pushing the flange 2 out of the base body 1.

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

Claims

1. A six-dimensional force sensor with high accuracy in Z-axis direction force measurement, comprising a base body (1) and a flange (2) connected to the base body (1) by bolts, characterized in that, The outer wall of the flange (2) is provided with a placing groove (3), the placing groove (3) is provided with a silicone rubber ring (4), the outer wall of the base body (1) is provided with a rotating groove (12), the rotating groove (12) is rotatably connected with an inner gear ring (6), the base body (1) is provided with a plurality of sliding grooves (7) in communication with the rotating groove (12), the bottom surface of the sliding groove (7) is rotatably connected with a gear bolt (9) meshed with the inner gear ring (6), the sliding groove (7) is slidably connected with a top block (8) threadedly connected with the gear bolt (9), the outer wall of the inner gear ring (6) is provided with a plurality of threaded holes (10), and the threaded holes (10) are threadedly connected with a handle (11).

2. The six-axis force sensor of claim 1, wherein, The outer wall of the flange (2) is provided with a sealing silica gel ring (5), and the sealing silica gel ring (5) is matched with the placing groove (3), the silicone rubber ring (4) and the base body (1).

3. The six-axis force sensor of claim 1, wherein, The number of sliding grooves (7) is not less than four, and the plurality of sliding grooves (7) are evenly distributed.

4. The six-axis force sensor of claim 1, wherein, The handle (11) is provided with a non-slip pattern, and the angle of the non-slip pattern is set to be inclined at forty-five degrees.

5. The six-axis force sensor of claim 1, wherein, The base body (1) is integrally formed without bolt connection.

6. A method of using the Z-axis direction force precision six-axis force sensor according to claim 1, characterized in that, The silicone rubber ring (4) is arranged in the placing groove (3) of the flange (2), the outer wall of the flange (2) is provided with a sealing silica gel ring (5) matched with the placing groove (3), the silicone rubber ring (4) and the base body (1), so that the sealing performance of the flange (2) is improved after being connected with the base body (1).

7. The use of a six-axis force sensor with precise Z-axis direction force measurement according to claim 6, characterized in that, When the flange (2) and the base body (1) are disassembled, the handle (11) is screwed into the threaded hole (10), and then the handle (11) is pulled out, if the side wall of the rotating groove (12) blocks the handle (11), the handle (11) is unscrewed and screwed into another threaded hole (10), and the inner gear ring (6) is rotated in the rotating groove (12), the plurality of gear bolts (9) are rotated, the top block (8) is slid upward in the sliding groove (7), and the flange (2) is pushed out from the base body (1).

8. The use of a six-axis force sensor with precise Z-axis direction force measurement according to claim 6, characterized in that, The base body (1) is integrally formed without bolt connection, and the measurement accuracy is improved.

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