Air pressure position detection mechanism

By using a pneumatic position detection mechanism, pressure sensors and filters are used to monitor the pressure inside the machine tool, solving the problem of difficulty in installing proximity switches on the machine tool and realizing comprehensive position detection and waterproofing of the machine tool.

CN223811878UActive Publication Date: 2026-01-20NINGXIA QIAOFENG MASCH MFG CO LTD
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Patent Information

Application Number
CN202520321793.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-20
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

There are some locations on the machine tool where it is difficult to install electrical components such as proximity switches, making position detection impossible. Furthermore, such placement has limitations and may compromise the machine tool's waterproofness to some extent.

Method used

A pneumatic position detection mechanism is adopted, which uses a pressure sensor to detect pressure changes inside the machine tool. Combined with a filter screen and a limit rod, the gas is filtered and fixed to ensure that the machine tool remains sealed and thus achieves position detection.

Benefits of technology

It enables position detection of more machine tool components, improves monitoring capabilities and precision control, while maintaining the machine tool's waterproof effect and preventing impurities from entering the connection chamber.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an air pressure position detection mechanism which comprises a connecting bin, the inner wall of the right side of the connecting bin is fixedly connected with a screw rod, one end of the screw rod penetrates through the connecting bin and extends to the right side of the connecting bin, the screw rod is in threaded connection with a nut, a threaded hole is formed in the front face of the connecting bin, and a connecting hole is formed in the screw rod. A placing hole is formed in the right side surface of the screw rod, a filter plate is placed in the placing hole, and a filter screen is fixedly embedded in the right side surface of the filter plate. According to the air pressure position detection mechanism, punching operation is carried out at a specific position, so that a pressure sensor can monitor the pressure in a machine tool through the device, position detection can be carried out on more parts of the machine tool, the monitoring capacity of the machine tool is improved, control over the precision of the machine tool is indirectly improved, the change of the pressure value is adopted, and the working efficiency is improved. And the machine tool is still in a sealed state, liquid in the machine tool body cannot flow out of the machine tool through the open holes, and the waterproof effect of the machine tool is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air pressure detection, specifically to a mechanism of air pressure position detection. BACKGROUND

[0002] Machine tool refers to the machine that makes machine and machinery, and machine tool plays a major role in the construction of national economic modernization, and the specific movement position of each part in machine tool has great influence on the operation of machine tool, therefore, position detection needs to be carried out to ensure that the operation state of machine tool is good, and the traditional way is to install proximity switch and a series of electrical elements in the place where position detection needs to be carried out to carry out position detection.

[0003] However, proximity switch and electrical elements cannot be installed in some positions on machine tool, position detection cannot be carried out, and the placement has limitations and can damage the waterproofness of machine tool to some extent, therefore, a mechanism of air pressure position detection is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a mechanism of air pressure position detection, which has the advantages of convenient detection and improved waterproofness, and solves the problems that proximity switch and electrical elements cannot be installed in some positions on machine tool, position detection cannot be carried out, and the placement has limitations and can damage the waterproofness of machine tool to some extent.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a mechanism of air pressure position detection, comprising a connecting bin, the right side inner wall of the connecting bin is fixedly connected with a screw rod penetrating through the connecting bin and extending to the right side thereof, and the screw rod is threadedly connected with a nut.

[0006] A threaded hole is formed in the front of the connecting bin, a connecting hole is formed in the interior of the screw rod, a placing hole is formed in the right side surface of the screw rod, a filter plate is placed in the interior of the placing hole, a filter screen is fixedly embedded in the right side surface of the filter plate, two limiting holes are formed in the interior of the screw rod, two limiting rods are fixedly connected to the left side surface of the filter plate and extend into the interiors of the two limiting holes, respectively, a rubber ring is fixedly sleeved on the outer circumferential wall of each of the two limiting rods, and two placing grooves are formed in the right side surface of the screw rod.

[0007] A fixing assembly is arranged between the two placing grooves to fix the filter plate.

[0008] A sealing assembly is arranged on the screw rod to seal the two placing grooves.

[0009] Further, the nut and the connecting bin are attached, the connecting bin is in the shape of a hollow cylinder, and the threaded hole and the connecting hole are in communication with the connecting bin.

[0010] Further, the two limiting holes are symmetrically distributed above and below the connecting hole, the two limiting rods are respectively matched with the two limiting holes, and the rubber ring and the limiting hole are attached.

[0011] Further, the fixing assembly comprises two telescopic rods, the two telescopic rods are respectively fixedly connected in the placing grooves, the opposite sides of the two telescopic rods are fixedly connected with the support plates, the outer circumferential walls of the two telescopic rods are respectively sleeved with springs fixedly connected with the placing grooves and the support plates, the opposite sides of the two support plates are fixedly connected with the fixing rods, the top surface and the bottom surface of the filter plate are provided with the fixing holes, and the two fixing rods respectively extend into the two fixing holes.

[0012] Further, the two placing grooves are symmetrically distributed above and below the placing hole, and the two fixing rods are respectively matched with the two fixing holes.

[0013] Further, the sealing assembly comprises two sealing plates, the two sealing plates are respectively placed in the two placing grooves, the sealing plate penetrates through the placing groove and extends into the placing hole, the outer circumferential walls of the two sealing plates are fixedly sleeved with the first rubber rings, the left sides of the two sealing plates are fixedly connected with the positioning rods, the right sides of the two support plates are provided with the positioning holes, the two positioning rods respectively extend into the two positioning holes, and the outer circumferential walls of the two positioning rods are fixedly sleeved with the second rubber rings.

[0014] Further, the first rubber ring is attached with the placing groove and the filter plate in sequence, and the sealing plate and the support plate are attached.

[0015] Further, the two positioning rods are respectively matched with the two positioning holes, and the second rubber ring and the positioning hole are attached.

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

[0017] 1. The air pressure position detection mechanism can detect the position of more components of the machine tool, improve the machine tool monitoring capability, and indirectly improve the control of the machine tool precision.

[0018] 2、The air pressure position detection mechanism, through the action of the filter screen, filters the gas, avoids impurities from entering the inside of the connecting bin as much as possible, improves the detection effect, limits the filter plate through the gap cooperation between the limiting rod and the limiting hole, and fixes the filter plate through the gap cooperation between the fixing rod and the fixing hole, so that the worker can disassemble and assemble the filter plate conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the utility model;

[0020] Figure 2 It is an inside structure schematic view of the connecting bin in the structure of the utility model;

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

[0022] Figure 4 It is Figure 2 The structure enlarged schematic view of B in the middle;

[0023] Figure 5 It is a right side schematic view of the screw rod in the structure of the utility model.

[0024] In the drawing: 1 connecting bin, 2 screw rod, 3 nut, 4 threaded hole, 5 connecting hole, 6 placing hole, 7 filter plate, 8 filter screen, 9 first rubber ring, 10 positioning rod, 11 sealing plate, 12 spring, 13 telescopic rod, 14 placing groove, 15 supporting plate, 16 fixing rod, 17 fixing hole, 18 second rubber ring, 19 positioning hole, 20 limiting rod, 21 rubber ring, 22 limiting hole. DETAILED DESCRIPTION

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

[0026] Please refer to Figures 1-5 The air pressure position detection mechanism in the embodiment comprises a connecting bin 1, the right side inner wall of the connecting bin 1 is fixedly connected with a screw rod 2 penetrating through the connecting bin 1 and extending to the right side thereof, and the screw rod 2 is threadedly connected with a nut 3.

[0027] The front of the connecting bin 1 is provided with a threaded hole 4, the inside of the screw rod 2 is provided with a connecting hole 5, the right side of the screw rod 2 is provided with a placing hole 6, the inside of the placing hole 6 is placed with a filter plate 7, the right side of the filter plate 7 is fixedly embedded with a filter screen 8, the inside of the screw rod 2 is provided with two limiting holes 22, the left side of the filter plate 7 is fixedly connected with two limiting rods 20 which are respectively extended to the inside of the two limiting holes 22, the outer circumferential wall of the two limiting rods 20 is fixedly sleeved with a rubber ring 21, and the right side of the screw rod 2 is provided with two placing grooves 14.

[0028] Among them, the nut 3 and the connecting bin 1 are attached, the shape of the connecting bin 1 is a hollow cylinder, the threaded hole 4 and the connecting hole 5 are in communication with the connecting bin 1, the two limiting holes 22 are symmetrically distributed above and below with the connecting hole 5 as the center, the two limiting rods 20 are respectively gap-fitted with the two limiting holes 22, and the rubber ring 21 is attached to the limiting hole 22.

[0029] Specifically, the filter plate 7 is pushed into the inside of the placing hole 6, the limiting rod 20 is inserted into the inside of the limiting hole 22, the filter plate 7 is limited through the gap fit between the limiting rod 20 and the limiting hole 22, the limiting rod 20 is limited through the attachment between the rubber ring 21 and the limiting hole 22, the threaded through hole is formed at the corresponding position, the connecting bin 1 is fixedly installed at the corresponding position through the action of the screw rod 2, the pressure sensor is fixedly installed on the connecting bin 1 through the action of the threaded hole 4, the gas enters into the inside of the connecting bin 1 through the conveying of the connecting hole 5, the gas pressure value is monitored through the action of the pressure sensor, and the gas is filtered through the action of the filter screen 8.

[0030] Please refer to Figures 1-5 In the embodiment, on the basis of example one, two placing grooves 14 are provided with a fixing assembly, the fixing assembly includes two telescopic rods 13, the two telescopic rods 13 are fixedly connected in the inside of the placing groove 14, the opposite side surfaces of the two telescopic rods 13 are fixedly connected with a support plate 15, the outer circumferential walls of the two telescopic rods 13 are sleeved with springs 12 which are fixedly connected with the placing groove 14 and the support plate 15, the opposite side surfaces of the two support plates 15 are fixedly connected with a fixing rod 16, the top surface and the bottom surface of the filter plate 7 are provided with a fixing hole 17, and the two fixing rods 16 are respectively extended to the inside of the two fixing holes 17.

[0031] Among them, the two placing grooves 14 are symmetrically distributed above and below with the placing hole 6 as the center, and the two fixing rods 16 are respectively gap-fitted with the two fixing holes 17.

[0032] Specific, pull the support plate 15, make the support plate 15 drive the fixed rod 16 to move, extrude the telescopic rod 13 and the spring 12, make the telescopic rod 13 and the spring 12 shrink, the fixed rod 16 and the fixed hole 17 are located on the same horizontal line, loosen the support plate 15, push the fixed rod 16 to reset under the action of the spring 12, the fixed rod 16 is inserted into the inside of the fixed hole 17, the gap between the fixed rod 16 and the fixed hole 17 is matched, the filter plate 7 is fixed.

[0033] Please refer to Figures 1-5 , in the embodiment, on the basis of example one and example two, including the screw 2 is equipped with sealing assembly, sealing assembly includes two sealing plate 11, two sealing plate 11 is placed in the inside of two placing groove 14 respectively, sealing plate 11 penetrates placing groove 14 and extends to the inside of placing hole 6, the outer wall of two sealing plate 11 is fixedly sleeved with first rubber ring 9, the left side of two sealing plate 11 is fixedly connected with positioning rod 10, the right side of two support plate 15 is provided with positioning hole 19, two positioning rod 10 extends to the inside of two positioning hole 19 respectively, the outer wall of two positioning rod 10 is fixedly sleeved with second rubber ring 18.

[0034] Among them, the first rubber ring 9 is sequentially attached with placing groove 14 and filter plate 7, sealing plate 11 and support plate 15 are attached, two positioning rod 10 is matched with two positioning hole 19 respectively, second rubber ring 18 and positioning hole 19 are attached.

[0035] Specific, push the sealing plate 11, the sealing plate 11 enters the inside of the placing groove 14, the sealing plate 11 and the support plate 15 are attached, the positioning rod 10 is inserted into the inside of the positioning hole 19, the sealing plate 11 is limited by the gap between the positioning rod 10 and the positioning hole 19, the sealing plate 11 is fixed by the attachment between the second rubber ring 18 and the positioning hole 19, the placing groove 14 is sealed by the action of the first rubber ring 9.

[0036] The working principle of the above embodiment is:

[0037] Pull the support plate 15, make the support plate 15 drive the fixed rod 16 to move, extrude the telescopic rod 13 and the spring 12, make the telescopic rod 13 and the spring 12 contract, push the filter plate 7, the filter plate 7 enters the inside of the placing hole 6, the limiting rod 20 inserts into the inside of the limiting hole 22, limit the filter plate 7 through the gap cooperation between the limiting rod 20 and the limiting hole 22, limit the limiting rod 20 through the fit between the rubber ring 21 and the limiting hole 22, the fixed rod 16 and the fixed hole 17 are located on the same horizontal line, loosen the support plate 15, push the fixed rod 16 to reset under the action of the spring 12, the fixed rod 16 inserts into the inside of the fixed hole 17, fix the filter plate 7 through the gap cooperation between the fixed rod 16 and the fixed hole 17, push the sealing plate 11, the sealing plate 11 enters the inside of the placing groove 14, the sealing plate 11 and the support plate 15 fit, the positioning rod 10 inserts into the inside of the positioning hole 19, limit the sealing plate 11 through the gap cooperation between the positioning rod 10 and the positioning hole 19, fix the sealing plate 11 through the fit between the second rubber ring 18 and the positioning hole 19, seal the placing groove 14 under the action of the first rubber ring 9, open the threaded hole in the corresponding position, fix and install the connecting bin 1 on the corresponding position through the action of the screw rod 2, fix and install the pressure sensor on the connecting bin 1 through the action of the threaded hole 4, the gas enters the inside of the connecting bin 1 through the conveying of the connecting hole 5, monitor the gas pressure value through the action of the pressure sensor, filter the gas through the action of the filter screen 8.

[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanism for air pressure position detection, comprising a connecting bin (1), characterized in that: The right side inner wall of the connecting bin (1) is fixedly connected with a screw rod (2) with one end penetrating through the connecting bin (1) and extending to the right side thereof, and the screw rod (2) is threadedly connected with a nut (3); The front of the connecting bin (1) is provided with a threaded hole (4), the inside of the screw rod (2) is provided with a connecting hole (5), the right side surface of the screw rod (2) is provided with a placing hole (6), the inside of the placing hole (6) is placed with a filter plate (7), the right side surface of the filter plate (7) is fixedly embedded with a filter screen (8), the inside of the screw rod (2) is provided with two limiting holes (22), the left side surface of the filter plate (7) is fixedly connected with two limiting rods (20) with one end extending into the inside of the two limiting holes (22) respectively, the outer circumferential wall of each of the two limiting rods (20) is fixedly sleeved with a rubber ring (21), and the right side surface of the screw rod (2) is provided with two placing grooves (14). Two fixing assemblies are arranged between the two placing grooves (14), and a sealing assembly is arranged on the screw rod (2).

2. The mechanism for detecting air pressure position according to claim 1, wherein: The nut (3) is attached to the connecting bin (1), the connecting bin (1) is in the shape of a hollow cylinder, and the threaded hole (4) and the connecting hole (5) are in communication with the connecting bin (1).

3. The mechanism for detecting the position of the air pressure according to claim 2, wherein: The two limiting holes (22) are symmetrically distributed above and below the connecting hole (5), the two limiting rods (20) are in clearance fit with the two limiting holes (22) respectively, and the rubber ring (21) is attached to the limiting hole (22).

4. The mechanism for detecting air pressure position according to claim 1, wherein: The fixing assembly comprises two telescopic rods (13) fixedly connected in the inside of the placing groove (14) respectively, the opposite side surface of each of the two telescopic rods (13) is fixedly connected with a supporting plate (15), the outer circumferential wall of each of the two telescopic rods (13) is sleeved with a spring (12) fixedly connected with the placing groove (14) and the supporting plate (15) respectively, the opposite side surface of each of the two supporting plates (15) is fixedly connected with a fixing rod (16), the top surface and the bottom surface of the filter plate (7) are provided with a fixing hole (17), and the two fixing rods (16) extend into the inside of the two fixing holes (17) respectively.

5. The mechanism for air pressure position detection according to claim 4, characterized by: The two placing grooves (14) are symmetrically distributed above and below the placing hole (6), and the two fixing rods (16) are in clearance fit with the two fixing holes (17) respectively.

6. The mechanism for air pressure position detection according to claim 4, characterized by: The sealing assembly comprises two sealing plates (11) placed in the inside of the two placing grooves (14) respectively, the sealing plate (11) penetrates through the placing groove (14) and extends into the inside of the placing hole (6), the outer circumferential wall of each of the two sealing plates (11) is fixedly sleeved with a first rubber ring (9), the left side surface of each of the two sealing plates (11) is fixedly connected with a positioning rod (10), the right side surface of each of the two supporting plates (15) is provided with a positioning hole (19), the two positioning rods (10) extend into the inside of the two positioning holes (19) respectively, and the outer circumferential wall of each of the two positioning rods (10) is fixedly sleeved with a second rubber ring (18).

7. The mechanism for air pressure position detection according to claim 6, characterized by: The first rubber ring (9) is in turn attached to the placing groove (14) and the filter plate (7), and the sealing plate (11) and the supporting plate (15) are attached.

8. The mechanism for detecting the position of the air pressure according to claim 7, wherein: Two positioning rods (10) are respectively in clearance fit with two positioning holes (19), and the second rubber ring (18) and the positioning hole (19) are attached.