Mechanical simple quick-change device

Abstract

The utility model provides a mechanical simple quick-change device, and relates to the field of machinery. The mechanical simple quick-change device comprises a fixed disc, a connecting disc is slidably connected to the middle of the fixed disc, a pneumatic mechanism is arranged in the fixed disc and comprises a raised head sliding block slidably connected with the fixed disc, and a first telescopic spring is fixedly connected to the surface of the raised head sliding block; and fixing mechanisms arranged circumferentially are arranged in the middle of the fixing disc, each fixing mechanism comprises a sleeve connected with the fixing disc in a sliding mode, the middle of each sleeve is connected with a fixing rod in a sliding mode, and a positioning groove is formed in the connecting disc. According to the mechanical simple quick-change device, the sleeve is extruded through the convex head sliding block, the fixing rod and the positioning groove are clamped, the connecting disc and the fixing disc are fixed together, the fixing rod is cylindrical, the fixing capacity of the connecting disc is effectively improved, and through the device, the mechanical arm can be quickly replaced, and the mechanical arm replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a mechanical quick-change device, in particular to a mechanical simple quick-change device, belonging to the technical field of machinery. Background Art

[0002] A machine is a tool that can help people reduce the difficulty of work or save effort. Items such as chopsticks, brooms, and tweezers can be called machines. They are simple machines. Complex machines are composed of two or more simple machines. These more complex machines are usually called machines. From the perspective of structure and movement, there is no difference between mechanisms and machines, which are generally called machines.

[0003] The utility model with patent number CN219075688U relates to the field of mechanical engineering technology, and discloses a mechanical arm, including a rotating shaft, a fixed rod is fixedly connected to the top of the rotating shaft, one end of the fixed rod is rotatably connected to a first connecting rod, one end of the driving device is fixedly connected to a limit block, a cylinder is fixedly installed inside the limit block, one end of the cylinder is fixedly connected to a toothed block, and the other end of the cylinder is fixedly connected to the limit rod. The user can adjust the left and right rotation angle of the mechanical arm through the rotating shaft and adjust the up and down rotation angle of the mechanical arm through the connecting rod, which is conducive to the setting to grab a wider range of items.

[0004] With the rapid development of industrial intelligence, the proportion of robotic arms used in production lines is increasing. Although the device in the above patent increases the working range, it is necessary to replace different robotic arm processing ends when producing different products. However, when replacing the robotic arm, the operation is more complicated and the replacement efficiency is low. For this reason, we provide a mechanical simple quick-change device to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the present invention is to provide a mechanical simple quick-change device in order to solve the above-mentioned problem, so as to solve the problem that the replacement of the robot arm is relatively complicated in the comparative documents.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a mechanical simple quick-change device.

[0009] It includes a fixed disk, a connecting disk is slidably connected to the middle part of the fixed disk, a pneumatic mechanism is arranged inside the fixed disk, the pneumatic mechanism includes a convex head slider slidably connected to the fixed disk, a telescopic spring 1 is fixedly connected to the surface of the convex head slider, and the telescopic spring 1 is fixedly connected to the fixed disk, a circumferentially arranged fixing mechanism is arranged in the middle part of the fixed disk, the fixing mechanism includes a sleeve slidably connected to the fixed disk, a fixing rod is slidably connected to the middle part of the sleeve, and a positioning groove matched with the fixing rod is opened inside the connecting disk.

[0010] Preferably, an air cavity is opened inside the fixed disk, a piston is slidably connected inside the air cavity, a pull rod is fixedly connected to the middle of the piston, and the top end of the pull rod passes through the fixed disk and is slidably connected to the fixed disk, and the end of the pull rod away from the piston is fixedly connected to the convex slider, and the piston drives the pull rod to move by inputting high-pressure air into the air cavity.

[0011] Preferably, a trachea fixing buckle is installed on the surface of the fixing plate, an air passage is opened inside the fixing plate, and both ends of the air passage are respectively fixedly connected to the air cavity and the trachea fixing buckle, and the high-pressure air supply pipe is fixed by the trachea fixing buckle.

[0012] Preferably, a second telescopic spring is fixedly connected to the surface of the sleeve, and the end of the second telescopic spring away from the sleeve is fixedly connected to the fixed disk, the sleeve is slidably connected to the convex head slider, and the end of the sleeve close to the convex head slider is arc-shaped, and the second telescopic spring provides a pulling force to the sleeve, so that the sleeve drives the fixed rod to enter the interior of the fixed disk.

[0013] Preferably, one end of the fixing rod away from the sleeve passes through the fixing plate and is slidably connected to the fixing plate, a telescopic spring three is fixedly connected to the interior of the sleeve, and one end of the telescopic spring three is fixedly connected to the fixing rod, and the telescopic spring three provides an outward thrust to the fixing rod, so that the fixing rod can be better engaged with the positioning groove.

[0014] Preferably, the surface of the fixed disk is fixedly connected with circumferentially arranged limiting rods, and the surface of the connecting disk is provided with a slide groove one adapted to the limiting rods, and the fixed disk and the connecting disk are in staggered contact through the limiting rods and the slide groove one.

[0015] Preferably, a limiting block is fixedly connected to the surface of the connection disk, and a second slide groove matched with the limiting block is provided on the surface of the fixed disk, and the connection disk is fixedly positioned by the limiting block and the second slide groove.

[0016] The utility model provides a mechanical simple quick-change device, which has the following beneficial effects:

[0017] 1. The mechanical simple quick-change device provides thrust to the convex slider through a telescopic spring, so that the convex slider slides inside the fixed disk, and the convex slider squeezes the sleeve to make the fixing rod engage with the positioning groove, thereby fixing the connecting disk and the fixed disk together. The fixing rod is cylindrical, which effectively improves the fixing ability of the connecting disk. The inner circle of the connecting disk is arc-shaped, which is convenient for squeezing the fixing rod. Through the above device, the replacement of the robotic arm can be completed quickly, thereby improving the efficiency of replacing the robotic arm.

[0018] 2. The mechanical simple quick-change device inputs high-pressure air into the air cavity so that the piston drives the pull rod to move, fixes the high-pressure air delivery pipe through the air pipe fixing buckle, and inputs the external high-pressure gas into the air cavity through the air passage. The sleeve is provided with pulling force by the second telescopic spring. When the convex head slider is away from the sleeve, the sleeve drives the fixing rod to enter the fixed plate. The arc surface of the sleeve facilitates the convex head slider to squeeze the sleeve. The third telescopic spring provides an outward thrust to the fixing rod, so that the fixing rod is better engaged with the positioning groove. The fixing plate and the connecting plate are staggered in contact through the limit rod and the first slide groove, thereby improving the stability of the connection between the fixed plate and the connecting plate. The fixing position of the connecting plate is positioned by the limit block and the second slide groove, thereby avoiding the dislocation of the mechanical arm after installation and improving the efficiency of replacing the mechanical arm. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the structure of the connection disk of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the fixed disk of the utility model;

[0022] Figure 4 This is a schematic diagram of the ventilation duct connection structure of the utility model;

[0023] Figure 5 For this utility model Figure 3 A-section structure enlarged view.

[0024]

Main component symbol description

[0025] 1. Fixed plate; 2. Connecting plate;

[0026] 3. Pneumatic mechanism; 301. convex slider; 302. telescopic spring 1; 303. air cavity; 304. piston; 305. pull rod; 306. trachea fixing buckle; 307. airway;

[0027] 4. Fixing mechanism; 401. Sleeve; 402. Telescopic spring 2; 403. Fixing rod; 404. Telescopic spring 3; 405. Positioning groove; 406. Limit rod; 407. Slide 1; 408. Limit block; 409. Slide 2. DETAILED DESCRIPTION

[0028] The embodiment of the utility model provides a mechanical simple quick-change device.

[0029] See also Figure 1 and Figure 2 , including a fixed disk 1, a connecting disk 2 is slidably connected to the middle of the fixed disk 1, a circumferentially arranged limiting rods 406 are fixedly connected to the surface of the fixed disk 1, and a sliding groove 407 adapted to the limiting rod 406 is opened on the surface of the connecting disk 2. Through the limiting rod 406 and the sliding groove 407, the fixed disk 1 and the connecting disk 2 are staggered in contact, thereby improving the stability of the connection between the fixed disk 1 and the connecting disk 2.

[0030] The surface of the connecting disk 2 is fixedly connected to the limiting block 408, and the surface of the fixed disk 1 is provided with a second slide groove 409 adapted to the limiting block 408. The connecting disk 2 is positioned by the limiting block 408 and the second slide groove 409 to avoid dislocation of the robot arm after installation and improve the efficiency of replacing the robot arm.

[0031] See also Figure 3 A pneumatic mechanism 3 is arranged inside the fixed disk 1, and the pneumatic mechanism 3 includes a convex head slider 301 slidably connected to the fixed disk 1. A telescopic spring 302 is fixedly connected to the surface of the convex head slider 301, and the telescopic spring 302 is fixedly connected to the fixed disk 1. Through the telescopic spring 302, a thrust is provided to the convex head slider 301, so that the convex head slider 301 slides inside the fixed disk 1.

[0032] An air cavity 303 is opened inside the fixed disk 1, and a piston 304 is slidably connected inside the air cavity 303. A pull rod 305 is fixedly connected to the middle of the piston 304, and the top end of the pull rod 305 passes through the fixed disk 1 and is slidably connected to the fixed disk 1. The end of the pull rod 305 away from the piston 304 is fixedly connected to the convex slider 301. By inputting high-pressure air into the air cavity 303, the piston 304 drives the pull rod 305 to move.

[0033] See also Figure 4 A trachea fixing buckle 306 is installed on the surface of the fixed plate 1, and an air duct 307 is opened inside the fixed plate 1, and the two ends of the air duct 307 are fixedly connected with the air cavity 303 and the trachea fixing buckle 306 respectively. The high-pressure air transmission pipe is fixed through the trachea fixing buckle 306, and the external high-pressure gas is input into the air cavity 303 through the air duct 307.

[0034] See also Figure 5A circumferentially arranged fixing mechanism 4 is provided in the middle of the fixing disk 1, and the fixing mechanism 4 includes a sleeve 401 slidably connected to the fixing disk 1, and a fixing rod 403 is slidably connected to the middle of the sleeve 401, and the fixing rod 403 is cylindrical, which effectively improves the fixing ability of the connecting disk 2, and a positioning groove 405 adapted to the fixing rod 403 is opened inside the connecting disk 2. The sleeve 401 is squeezed by the convex slider 301, so that the fixing rod 403 is engaged with the positioning groove 405, and the connecting disk 2 and the fixing disk 1 are fixed together. The inner circle of the connecting disk 2 is in an arc shape, which is convenient for squeezing the fixing rod 403.

[0035] A telescopic spring 2 402 is fixedly connected to the surface of the sleeve 401, and the end of the telescopic spring 2 402 away from the sleeve 401 is fixedly connected to the fixed disk 1, the sleeve 401 is slidably connected to the convex head slider 301, and the end of the sleeve 401 close to the convex head slider 301 is arc-shaped, and the telescopic spring 2 402 provides a pulling force to the sleeve 401. When the convex head slider 301 is away from the sleeve 401, the sleeve 401 drives the fixed rod 403 to enter the interior of the fixed disk 1, and the convex head slider 301 squeezes the sleeve 401 conveniently through the arc surface of the sleeve 401.

[0036] Please refer again Figure 2 and Figure 5 The end of the fixing rod 403 away from the sleeve 401 passes through the fixing disk 1 and is slidably connected to the fixing disk 1. The interior of the sleeve 401 is fixedly connected with a telescopic spring three 404, and one end of the telescopic spring three 404 is fixedly connected to the fixing rod 403. The telescopic spring three 404 provides an outward thrust to the fixing rod 403, so that the fixing rod 403 can be better engaged with the positioning groove 405.

[0037] When the utility model is in use: the high-pressure gas transmission pipe is fixed by the air pipe fixing buckle 306, and the external high-pressure gas is input into the air cavity 303 through the air passage 307, so that the piston 304 drives the pull rod 305 to move, and the convex head slider 301 is received in the fixed disk 1, and the sleeve 401 is provided with a pulling force by the telescopic spring 402, so that the sleeve 401 drives the fixing rod 403 to enter the fixed disk 1, and the fixing rod 403 is separated from the positioning groove 405, which is convenient for the staff to replace the mechanical arm. After the replacement is completed, the external air pipe is blocked, and the air pressure in the air cavity 303 drops. The telescopic spring 302 is used to provide a thrust to the convex head slider 301, so that the convex head slider 301 squeezes the sleeve 401, squeezes the fixing rod 403 into the positioning groove 405, and fixes the connecting disk 2. Through the above device, the replacement of the mechanical arm can be completed quickly, and the efficiency of replacing the mechanical arm is improved.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A mechanical simple quick-change device, comprising a fixed plate (1), characterized in that: The middle part of the fixed disk (1) is slidably connected to a connecting disk (2), and a pneumatic mechanism (3) is arranged inside the fixed disk (1). The pneumatic mechanism (3) comprises a convex slider (301) slidably connected to the fixed disk (1), and a telescopic spring (302) is fixedly connected to the surface of the convex slider (301), and the telescopic spring (302) is fixedly connected to the fixed disk (1). The middle part of the fixed disk (1) is provided with a circumferentially arranged fixing mechanism (4), and the fixing mechanism (4) comprises a sleeve (401) slidably connected to the fixed disk (1), and a fixing rod (403) is slidably connected to the middle part of the sleeve (401), and a positioning groove (405) adapted to the fixing rod (403) is provided inside the connecting disk (2).

2. A mechanical simple quick-change device according to claim 1, characterized in that: An air cavity (303) is provided inside the fixed disk (1), and a piston (304) is slidably connected inside the air cavity (303). A pull rod (305) is fixedly connected to the middle of the piston (304), and the top end of the pull rod (305) passes through the fixed disk (1) and is slidably connected to the fixed disk (1). The end of the pull rod (305) away from the piston (304) is fixedly connected to the convex slider (301).

3. A mechanical simple quick-change device according to claim 2, characterized in that: A trachea fixing buckle (306) is installed on the surface of the fixing plate (1), an airway (307) is provided inside the fixing plate (1), and two ends of the airway (307) are respectively fixedly connected to the air cavity (303) and the trachea fixing buckle (306).

4. A mechanical simple quick-change device according to claim 1, characterized in that: A second telescopic spring (402) is fixedly connected to the surface of the sleeve (401), and one end of the second telescopic spring (402) away from the sleeve (401) is fixedly connected to the fixed disk (1). The sleeve (401) is slidably connected to the convex slider (301), and one end of the sleeve (401) close to the convex slider (301) is in an arc shape.

5. The mechanical simple quick-change device according to claim 1, characterized in that: One end of the fixing rod (403) away from the sleeve (401) passes through the fixing plate (1) and is slidably connected to the fixing plate (1); a telescopic spring three (404) is fixedly connected inside the sleeve (401), and one end of the telescopic spring three (404) is fixedly connected to the fixing rod (403).

6. A mechanical simple quick-change device according to claim 1, characterized in that: The surface of the fixed disk (1) is fixedly connected with circumferentially arranged limiting rods (406), and the surface of the connecting disk (2) is provided with a sliding groove (407) adapted to the limiting rods (406).

7. A mechanical simple quick-change device according to claim 1, characterized in that: The surface of the connection disk (2) is fixedly connected to a limiting block (408), and the surface of the fixed disk (1) is provided with a second sliding groove (409) adapted to the limiting block (408).

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