Linear motion device in narrow space

Abstract

The invention relates to the technical field of part assembly in the refrigeration industry, in particular to a linear motion device in a narrow space, which comprises a device body, and the device body comprises a tightening lifting mechanism, a first tightening transplanting displacement mechanism, a second tightening transplanting displacement mechanism, a first tightening module mechanism and a second tightening module mechanism. And the two sets of tightening lifting mechanisms are arranged, the first tightening and transplanting displacement mechanisms are fixedly connected to the outer portion of one set of tightening lifting mechanism, and the two sets of first tightening and transplanting displacement mechanisms are fixedly connected to the outer portion of the other set of tightening lifting mechanism. The first control motor and the second control motor are used for controlling and changing the positions of the first variable-pitch sliding block mounting plate and the second variable-pitch sliding block mounting plate to move the first tightening module mechanism and the second tightening module mechanism to the corresponding to-be-tightened positions, space and cost are saved, and the problems that screws are missed to be tightened, and the tightening sequence is inconsistent are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of parts assembly in the refrigeration industry, and in particular to a linear motion device in a narrow space. Background Art

[0002] In the refrigeration industry, parts assembly is a crucial process, directly impacting the performance and reliability of refrigeration equipment. As the variety and scale of refrigeration equipment continue to increase, the complexity and process of parts assembly are also increasing. Therefore, to ensure the quality and efficiency of parts assembly, the refrigeration industry needs to continuously improve and optimize assembly processes and adopt advanced assembly technologies and equipment. In the refrigeration industry, particularly during manufacturing and maintenance, it is often necessary to tighten multiple screws simultaneously in confined spaces. These screws are commonly used to secure and connect various components to ensure the proper operation of the refrigeration system.

[0003] In the prior art, refrigeration industry-related products require multiple screws to be tightened simultaneously in a narrow space. The traditional tightening method is time-consuming and labor-intensive, with low production efficiency and difficulty in controlling the tightening quality. Therefore, a linear motion device for use in a narrow space is proposed. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that the humidification component is difficult to follow the changes in oxygen flow. When the oxygen flow increases or decreases, the humidity will decrease or increase, which will have an adverse effect on the treatment and comfort of the patient. A linear motion device in a small space is proposed to solve the problem in the prior art that the humidification component is difficult to follow the changes in oxygen flow. When the oxygen flow increases or decreases, the humidity will decrease or increase, which will have an adverse effect on the patient's treatment and comfort.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A linear motion device in a narrow space includes a device body, the device body includes a tightening and lifting mechanism, a first tightening and transplanting displacement mechanism, a second tightening and transplanting displacement mechanism, a first tightening module mechanism and a second tightening module mechanism, the tightening and lifting mechanism is provided with two groups, one group of the tightening and lifting mechanisms is externally fixedly connected to the first tightening and transplanting displacement mechanism, the first tightening and transplanting displacement mechanism is provided with two groups, the other group of the tightening and lifting mechanisms is externally fixedly connected to the second tightening and transplanting displacement mechanism, the second tightening and transplanting displacement mechanism is provided with two groups, the first tightening and transplanting displacement mechanism is externally fixedly connected to the first tightening module mechanism, the first tightening module mechanism is provided with two groups, the second tightening and transplanting displacement mechanism is externally fixedly connected to the second tightening module mechanism, and the second tightening module mechanism is provided with two groups.

[0006] The above scheme further: The tightening lifting mechanism includes a welding column lifting platform, a first variable pitch slider mounting plate, a second variable pitch slider mounting plate, a rotating variable pitch swing arm, a first tightening variable pitch origin position proximity switch mounting plate, a second tightening variable pitch origin position proximity switch mounting plate, an electric cylinder, a first guide rail slider, a second guide rail slider, a floating joint and a servo motor. The outside of the welding column lifting platform is slidingly connected to the first variable pitch slider mounting plate and the second variable pitch slider mounting plate. The outside of the first variable pitch slider mounting plate is symmetrically fixedly connected to the first control motor, and the outside of the second variable pitch slider mounting plate is symmetrically fixedly connected to the second control motor.

[0007] A servo motor is symmetrically arranged on the outside of the welding column lifting platform, an electric cylinder is arranged on the outside of the servo motor, a floating joint is arranged on the output end of the electric cylinder, and the floating joint is fixedly connected to the first variable pitch slider mounting plate and the second variable pitch slider mounting plate respectively; a first guide rail slider and a second guide rail slider are fixedly connected to the outside of the welding column lifting platform, the first variable pitch slider mounting plate is slidably connected to the first guide rail slider, and the second variable pitch slider mounting plate is slidably connected to the second guide rail slider.

[0008] The output ends of the first control motor and the second control motor are both provided with a rotating pitch-changing swing arm, the outside of the second pitch-changing slider mounting plate is provided with a first tightening pitch-changing origin position proximity switch mounting plate, and the outside of the first pitch-changing slider mounting plate is provided with a second tightening pitch-changing origin position proximity switch mounting plate.

[0009] The first tightening and transplanting displacement mechanism includes a transplanting module mounting plate, a transplanting slider mounting plate, a tightening module mounting plate, a vacuum generator mounting plate, a guide rail slider, a servo module, a vacuum generator, a pressure sensor and a hub. The first tightening and transplanting displacement mechanism and the second tightening and transplanting displacement mechanism are arranged in a mirror image. The transplanting module mounting plate is externally fixedly connected to the transplanting slider mounting plate, the transplanting slider mounting plate is externally fixedly connected to the tightening module mounting plate and the servo module, and the transplanting slider mounting plate is externally fixedly connected to the guide rail slider.

[0010] The outside of the transplanting slider mounting plate is fixedly connected to a vacuum generator mounting plate and a pressure sensor, the outside of the vacuum generator mounting plate is fixedly connected to a hub, and the outside of the hub is provided with a vacuum generator.

[0011] The first tightening module mechanism includes a tightening module base, a first tightening module slider, a cylinder, a tightening controller, a tightening screwdriver, a tightening module slide rail, a spring damper and a second tightening module slider. The first tightening module mechanism and the second tightening module mechanism are arranged in a mirror image. The first tightening module slider and the second tightening module slider are fixedly connected to the outside of the tightening module base. A spring damper is arranged between the first tightening module slider and the second tightening module slider. The tightening module base is fixedly connected to the outside of the cylinder. The output end of the cylinder is provided with the first tightening module slider. The first tightening module slider is fixedly connected to the outside of the tightening module slider. The output end of the tightening controller is provided with a tightening screwdriver.

[0012] The tightening module base is fixedly connected to a tightening module slide rail on the outside, the first tightening module slider is slidingly connected to the tightening module slide rail, the second tightening module slider is slidingly connected to the tightening module slide rail, and the tightening screwdriver is rotationally connected to the second tightening module slider.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention is suitable for tightening multiple products at the same time, and a product has multiple screws that need to be tightened. The first control motor and the second control motor are controlled to change the positions of the first variable-pitch slider mounting plate and the second variable-pitch slider mounting plate to move the first tightening module mechanism and the second tightening module mechanism to corresponding tightening positions, saving space, saving costs, and avoiding problems such as missing screws and inconsistent tightening sequences. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a linear motion device in a narrow space proposed by the present invention.

[0015] Figure 2 It is a top view of the present invention.

[0016] Figure 3 It is a structural schematic diagram of the tightening lifting mechanism in the present invention.

[0017] Figure 4 It is a front view of the tightening lifting mechanism of the present invention.

[0018] Figure 5 It is a side view of the tightening lifting mechanism of the present invention.

[0019] Figure 6 It is a top view of the tightening lifting mechanism of the present invention.

[0020] Figure 7 It is a structural schematic diagram of the first tightening, transplanting and displacement mechanism in the present invention.

[0021] Figure 8It is a structural schematic diagram of the first tightening module mechanism in the present invention.

[0022] In the figure: 1. Device body; 2. Tightening lifting mechanism; 201. Welding column lifting platform; 202. First pitch-variable slider mounting plate; 203. Second pitch-variable slider mounting plate; 204. Rotary pitch-variable swing arm; 205. First tightening pitch-variable origin position proximity switch mounting plate; 206. Second tightening pitch-variable origin position proximity switch mounting plate; 207. Electric cylinder; 208. First guide rail slider; 209. Second guide rail slider; 210. Floating joint; 211. Servo motor; 212. First control motor; 213. Second control motor; 3. First tightening transplanting position changing mechanism; 301. Transplanting module installation Plate; 302, transplanting slider mounting plate; 303, tightening module mounting plate; 304, vacuum generator mounting plate; 305, guide rail slider; 306, servo module; 307, vacuum generator; 308, pressure sensor; 309, hub; 4, second tightening transplanting displacement mechanism; 5, first tightening module mechanism; 501, tightening module base; 502, first tightening module slider; 503, cylinder; 504, tightening controller; 505, tightening screwdriver; 506, tightening module slide rail; 507, spring damper; 508, second tightening module slider; 6, second tightening module mechanism. DETAILED DESCRIPTION

[0023] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0024] See also Figure 1-8 As shown, the present invention is a linear motion device in a narrow space, including a device body 1, the device body 1 includes a tightening lifting mechanism 2, a first tightening and transplanting displacement mechanism 3, a second tightening and transplanting displacement mechanism 4, a first tightening module mechanism 5 and a second tightening module mechanism 6, the tightening lifting mechanism 2 is provided with two groups, one group of tightening lifting mechanism 2 is externally fixedly connected with the first tightening and transplanting displacement mechanism 3, the first tightening and transplanting displacement mechanism 3 is provided with two groups, the other group of tightening lifting mechanism 2 is externally fixedly connected with the second tightening and transplanting displacement mechanism 4, the second tightening and transplanting displacement mechanism 4 is provided with two groups, the first tightening and transplanting displacement mechanism 3 is externally fixedly connected with the first tightening module mechanism 5, the first tightening module mechanism 5 is provided with two groups, the second tightening and transplanting displacement mechanism 4 is externally fixedly connected with the second tightening module mechanism 6, and the second tightening module mechanism 6 is provided with two groups.

[0025] In one embodiment, for the above-mentioned tightening lifting mechanism 2, the tightening lifting mechanism 2 includes a welding column lifting platform 201, a first variable pitch slider mounting plate 202, a second variable pitch slider mounting plate 203, a rotating variable pitch swing arm 204, a first tightening variable pitch origin position proximity switch mounting plate 205, a second tightening variable pitch origin position proximity switch mounting plate 206, an electric cylinder 207, a first guide rail slider 208, a second guide rail slider 209, a floating joint 210 and a servo motor 211. The welding column lifting platform 201 is externally slidingly connected to the first variable pitch slider mounting plate 202 and the second variable pitch slider mounting plate 203. The first variable pitch slider mounting plate 202 is externally symmetrically fixedly connected to the first control motor 212, and the second variable pitch slider mounting plate 203 is externally symmetrically fixedly connected to the second control motor 213.

[0026] In one embodiment, for the above-mentioned welding column lifting platform 201, a servo motor 211 is symmetrically arranged on the outside of the welding column lifting platform 201, an electric cylinder 207 is arranged on the outside of the servo motor 211, and a floating joint 210 is arranged on the output end of the electric cylinder 207. The floating joint 210 is fixedly connected to the first variable pitch slider mounting plate 202 and the second variable pitch slider mounting plate 203 respectively. The outside of the welding column lifting platform 201 is fixedly connected with the first guide rail slider 208 and the second guide rail slider 209, the first variable pitch slider mounting plate 202 and the first guide rail slider 208 are slidably connected, and the second variable pitch slider mounting plate 203 and the second guide rail slider 209 are slidably connected.

[0027] In one embodiment, for the above-mentioned first control motor 212, the output ends of the first control motor 212 and the second control motor 213 are both provided with a rotating pitch-changing swing arm 204, the outside of the second pitch-changing slider mounting plate 203 is provided with a first tightening pitch-changing origin position proximity switch mounting plate 205, and the outside of the first pitch-changing slider mounting plate 202 is provided with a second tightening pitch-changing origin position proximity switch mounting plate 206.

[0028] In one embodiment, for the above-mentioned first tightening, transplanting and positioning mechanism 3, the first tightening, transplanting and positioning mechanism 3 includes a transplanting module mounting plate 301, a transplanting slider mounting plate 302, a tightening module mounting plate 303, a vacuum generator mounting plate 304, a guide rail slider 305, a servo module 306, a vacuum generator 307, a pressure sensor 308 and a hub 309. The first tightening, transplanting and positioning mechanism 3 and the second tightening, transplanting and positioning mechanism 4 are arranged in a mirror image. The transplanting module mounting plate 301 is externally fixedly connected to the transplanting slider mounting plate 302, the transplanting slider mounting plate 302 is externally fixedly connected to the tightening module mounting plate 303 and the servo module 306, and the transplanting slider mounting plate 302 is externally fixedly connected to the guide rail slider 305.

[0029] In one embodiment, for the above-mentioned transplanting slider mounting plate 302, the transplanting slider mounting plate 302 is fixedly connected to the outside of the transplanting slider mounting plate 302 with a vacuum generator mounting plate 304 and a pressure sensor 308, the vacuum generator mounting plate 304 is fixedly connected to the outside of the hub 309, and a vacuum generator 307 is set outside the hub 309.

[0030] In one embodiment, for the above-mentioned first tightening module mechanism 5, the first tightening module mechanism 5 includes a tightening module base 501, a first tightening module slider 502, a cylinder 503, a tightening controller 504, a tightening screwdriver 505, a tightening module slide rail 506, a spring damper 507 and a second tightening module slider 508. The first tightening module mechanism 5 and the second tightening module mechanism 6 are arranged in a mirror image. The tightening module base 501 is externally fixedly connected with the first tightening module slider 502 and the second tightening module slider 508. A spring damper 507 is arranged between the first tightening module slider 502 and the second tightening module slider 508. The tightening module base 501 is externally fixedly connected with the cylinder 503. The output end of the cylinder 503 is provided with the first tightening module slider 502. The first tightening module slider 502 is externally fixedly connected with the tightening controller 504. The output end of the tightening controller 504 is provided with a tightening screwdriver 505.

[0031] In one embodiment, for the above-mentioned tightening module base 501, the tightening module base 501 is fixedly connected to the outside with a tightening module slide rail 506, the first tightening module slider 502 is slidingly connected to the tightening module slide rail 506, the second tightening module slider 508 is slidingly connected to the tightening module slide rail 506, and the tightening screwdriver 505 is rotationally connected to the second tightening module slider 508.

[0032] The working principle of the linear motion device in a narrow space proposed by the present invention is to control the first variable-pitch slider mounting plate 202 to move downward through the servo motor 211 and the electric cylinder 207, so that the tightening screwdriver 505 moves to the first screw position on the solenoid valve, and the tightening controller 504 is started to tighten it. After tightening, the first variable-pitch slider mounting plate 202 is controlled to rise.

[0033] The first tightening module mechanism 5 is controlled to retract through the servo module 306, and then the first variable pitch slider mounting plate 202 is controlled to move downward through the servo motor 211 and the electric cylinder 207, so that the tightening screwdriver 505 moves to the second screw position on the solenoid valve, and the tightening controller 504 is started to tighten it. After tightening, the first variable pitch slider mounting plate 202 is controlled to rise.

[0034] Start the first control motor 212 to control the change of the position of the first variable pitch slider mounting plate 202, and control the first variable pitch slider mounting plate 202 to move downward through the servo motor 211 and the electric cylinder 207, so that the tightening screwdriver 505 moves to the third screw position on the solenoid valve, start the tightening controller 504 to tighten it, and after tightening, control the first variable pitch slider mounting plate 202 to rise.

[0035] The first tightening module mechanism 5 is controlled to extend through the servo module 306, and then the first variable pitch slider mounting plate 202 is controlled to move downward through the servo motor 211 and the electric cylinder 207, so that the tightening screwdriver 505 moves to the fourth screw position on the solenoid valve, and the tightening controller 504 is started to tighten it. After tightening, the first variable pitch slider mounting plate 202 is controlled to rise.

[0036] The first control motor 212 is started again to control the change of the position of the first variable-pitch slider mounting plate 202, so that the first tightening module mechanism 5 moves back to above the first screw position on the solenoid valve.

[0037] Repeat the above steps to tighten the screws on the next solenoid valve.

[0038] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A linear motion device in a narrow space, comprising a device body (1), characterized in that: The device body (1) comprises a tightening lifting mechanism (2), a first tightening and transplanting displacement mechanism (3), a second tightening and transplanting displacement mechanism (4), a first tightening module mechanism (5) and a second tightening module mechanism (6); the tightening lifting mechanism (2) is provided with two groups, one group of the tightening lifting mechanism (2) is externally fixedly connected to the first tightening and transplanting displacement mechanism (3), the first tightening and transplanting displacement mechanism (3) is provided with two groups, the other group of the tightening lifting mechanism (2) is externally fixedly connected to the second tightening and transplanting displacement mechanism (4), the second tightening and transplanting displacement mechanism (4) is provided with two groups, the first tightening and transplanting displacement mechanism (3) is externally fixedly connected to the first tightening module mechanism (5), the first tightening module mechanism (5) is provided with two groups, the second tightening and transplanting displacement mechanism (4) is externally fixedly connected to the second tightening module mechanism (6), the second tightening module mechanism (6) is provided with two groups.

2. A linear motion device in a narrow space according to claim 1, characterized in that: The tightening lifting mechanism (2) comprises a welding column lifting platform (201), a first variable pitch slider mounting plate (202), a second variable pitch slider mounting plate (203), a rotating variable pitch swing arm (204), a first tightening variable pitch origin position proximity switch mounting plate (205), a second tightening variable pitch origin position proximity switch mounting plate (206), an electric cylinder (207), a first guide rail slider (208), a second guide rail slider (209), a floating joint (210) and a servo motor (211). The welding column lifting platform (201) is externally slidably connected to the first variable pitch slider mounting plate (202) and the second variable pitch slider mounting plate (203). The first variable pitch slider mounting plate (202) is externally symmetrically fixedly connected to a first control motor (212), and the second variable pitch slider mounting plate (203) is externally symmetrically fixedly connected to a second control motor (213).

3. The linear motion device in a narrow space according to claim 2, characterized in that: A servo motor (211) is symmetrically arranged on the outside of the welding column lifting platform (201), an electric cylinder (207) is arranged on the outside of the servo motor (211), a floating joint (210) is arranged at the output end of the electric cylinder (207), and the floating joint (210) is fixedly connected to the first variable pitch slider mounting plate (202) and the second variable pitch slider mounting plate (203), respectively. A first guide rail slider (208) and a second guide rail slider (209) are fixedly connected to the outside of the welding column lifting platform (201), the first variable pitch slider mounting plate (202) and the first guide rail slider (208) are slidably connected, and the second variable pitch slider mounting plate (203) and the second guide rail slider (209) are slidably connected.

4. The linear motion device in a narrow space according to claim 3, characterized in that: The output ends of the first control motor (212) and the second control motor (213) are both provided with a rotating pitch-changing swing arm (204); a first tightening pitch-changing origin position proximity switch mounting plate (205) is provided outside the second pitch-changing slider mounting plate (203); and a second tightening pitch-changing origin position proximity switch mounting plate (206) is provided outside the first pitch-changing slider mounting plate (202).

5. The linear motion device in a narrow space according to claim 1, characterized in that: The first tightening and transplanting displacement mechanism (3) comprises a transplanting module mounting plate (301), a transplanting slider mounting plate (302), a tightening module mounting plate (303), a vacuum generator mounting plate (304), a guide rail slider (305), a servo module (306), a vacuum generator (307), a pressure sensor (308) and a hub (309). The first tightening and transplanting displacement mechanism (3) and the second tightening and transplanting displacement mechanism (4) are arranged in a mirror image. The transplanting module mounting plate (301) is externally fixedly connected to the transplanting slider mounting plate (302), the transplanting slider mounting plate (302) is externally fixedly connected to the tightening module mounting plate (303) and the servo module (306), and the transplanting slider mounting plate (302) is externally fixedly connected to the guide rail slider (305).

6. The linear motion device in a narrow space according to claim 5, characterized in that: The transplanting slider mounting plate (302) is externally fixedly connected to a vacuum generator mounting plate (304) and a pressure sensor (308), the vacuum generator mounting plate (304) is externally fixedly connected to a hub (309), and the hub (309) is externally provided with a vacuum generator (307).

7. The linear motion device in a narrow space according to claim 1, characterized in that: The first tightening module mechanism (5) comprises a tightening module base (501), a first tightening module slider (502), a cylinder (503), a tightening controller (504), a tightening screwdriver (505), a tightening module slide rail (506), a spring damper (507) and a second tightening module slider (508). The first tightening module mechanism (5) and the second tightening module mechanism (6) are arranged in a mirror image. The tightening module base (501) is externally fixedly connected to the first tightening module slider (502) and the second tightening module slider (508). A tightening module slider (508) is provided, a spring damper (507) is provided between the first tightening module slider (502) and the second tightening module slider (508), the tightening module base (501) is externally fixedly connected to a cylinder (503), the output end of the cylinder (503) is provided with the first tightening module slider (502), the first tightening module slider (502) is externally fixedly connected to a tightening controller (504), and the output end of the tightening controller (504) is provided with a tightening screwdriver (505).

8. The linear motion device in a narrow space according to claim 7, characterized in that: The tightening module base (501) is externally fixedly connected to a tightening module slide rail (506); the first tightening module slider (502) is slidably connected to the tightening module slide rail (506); the second tightening module slider (508) is slidably connected to the tightening module slide rail (506); and the tightening screwdriver (505) is rotationally connected to the second tightening module slider (508).

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