Simple mechanical arm for grabbing machine shell and implementation method of simple mechanical arm

Abstract

The simple mechanical arm comprises a connecting base, a grabbing air cylinder is installed above the connecting base, a positioning sleeve is installed below the connecting base, a magnetic suction head slides in the positioning sleeve, the output end of the grabbing air cylinder is connected with the magnetic suction head, and the upper end of the interior of the positioning sleeve is further connected with a limiting sleeve located outside the magnetic suction head. The invention further discloses an implementation method of the simple mechanical arm for grabbing the machine shell. According to the machine shell grabbing device, the machine shell is grabbed through the magnetic attraction force of the magnetic attraction head to the machine shell, the machine shell is limited through the limiting sleeve, the magnetic attraction force of the magnetic attraction head to the machine shell is smaller than the gravity of the machine shell, the machine shell is put down, and the machine shell grabbing device has the advantages of being simple in structure, light in overall weight and low in production cost.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of machine cases, and particularly relates to a simple mechanical hand for grabbing machine cases and an implementation method thereof. BACKGROUND

[0002] There are various types of motors, and some motors used in application scenarios, for example, a motor used for controlling the opening and closing of a sunroof, are generally relatively long and slender, so the structure of the motor case is also relatively long and slender, and the top of the motor case is very small. In order to match the assembly line, the grabbing of the motor case product has always been a big problem.

[0003] The mechanical hands in the prior art mostly have problems such as unstable grabbing and easy shaking or complex structure leading to overweight of the mechanical hand.

[0004] Therefore, there is an urgent need for a simple mechanical hand with a simple structure and capable of stably grabbing a machine case product. SUMMARY

[0005] The application aims to provide a simple mechanical hand for grabbing machine cases to solve the problems in the background art. The simple mechanical hand for grabbing machine cases has the characteristics of simple structure and stable grabbing of machine case products.

[0006] Another object of the application is to provide an implementation method of the simple mechanical hand for grabbing machine cases.

[0007] To achieve the above object, the application provides the following technical scheme: a simple mechanical hand for grabbing machine cases, comprising a connecting seat, a grabbing cylinder installed above the connecting seat, a positioning sleeve installed below the connecting seat, a magnetic suction head slidingly arranged in the positioning sleeve, an output end of the grabbing cylinder connected with the magnetic suction head, and a limiting sleeve located outside the magnetic suction head and connected to an upper end in the positioning sleeve.

[0008] To realize the suction of the machine case, further, the magnetic suction head comprises a connecting sleeve and a magnetic suction block, wherein the connecting sleeve is connected with the output end of the grabbing cylinder, and the magnetic suction block is arranged in the connecting sleeve. The connecting sleeve and the magnetic suction block are both made of neodymium iron boron magnet material.

[0009] To match the shape of the upper end of the machine case and ensure the stability of the grabbing of the machine case, further, a recess is arranged at the center position of the lower end surface of the magnetic suction block. A matching groove is arranged on the lower end surface of the magnetic suction block.

[0010] To guide and limit the machine case and ensure the stability of the grabbing of the machine case, further, a positioning cavity is arranged in the positioning sleeve to avoid shaking during the grabbing and moving process.

[0011] To drive the connecting seat to move up and down, further, a lifting cylinder is arranged, and an output end of the lifting cylinder is connected with the connecting seat.

[0012] In order to facilitate the connection of the output end of the grabbing cylinder and the connecting sleeve, further, the side surface of the connecting seat is provided with an assembly groove.

[0013] In the present application, further, the implementation method of the simple mechanical hand for the grabbing shell comprises the following steps:

[0014] (I) in the grabbing state, the output end of the grabbing cylinder is in the extended state, the lower end surface of the magnetic suction head is flush with the lower end surface of the limiting sleeve;

[0015] (II) the output end of the lifting cylinder is extended to drive the connecting seat to descend, so that the magnetic suction head contacts the upper end of the shell, the magnetic attraction of the magnetic suction head to the shell is adsorbed, and the grabbing action is realized;

[0016] (III) when the shell needs to be put down, the output end of the grabbing cylinder is retracted to drive the magnetic suction head to act upward, the limiting sleeve limits the shell, the magnetic attraction of the magnetic suction head to the shell is smaller than the gravity of the shell, the output end of the lifting cylinder is retracted to drive the connecting seat to act upward, and thus the shell is put down.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1. The magnetic attraction of the magnetic suction head to the shell realizes the grabbing of the shell, the limiting sleeve limits the shell, the magnetic attraction of the magnetic suction head to the shell is smaller than the gravity of the shell, the shell is put down, and the present application has the characteristics of simple structure, light overall weight and low production cost.

[0019] 2. The inner part of the positioning sleeve is provided with a positioning cavity, the shell is guided and limited by the positioning cavity, the stability of the grabbing of the shell is ensured, and the shaking and other conditions in the grabbing and moving process are avoided.

[0020] 3. The central position of the lower end surface of the magnetic suction block is provided with a giving slot, the lower end surface of the magnetic suction block is provided with a matching groove, which is matched with the shape of the upper end of the shell, and the stability of the grabbing of the shell is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present application.

[0022] Figure 2 It is a sectional view of the structural schematic diagram of the present application.

[0023] Figure 3 It is a structural schematic diagram of the magnetic suction head of the present application.

[0024] Figure 4 It is a structural schematic diagram of the positioning sleeve of the present application.

[0025] Figure 5The sectional view structure schematic diagram of the positioning sleeve, the magnetic suction head, the limiting sleeve and the shell cooperation of the present application.

[0026] Figure 6 The structure schematic diagram of the connecting seat of the present application.

[0027] In the figure: 1, lifting cylinder; 2, positioning sleeve; 21, positioning cavity; 3, connecting seat; 31, assembly groove; 4, grabbing cylinder; 5, magnetic suction head; 51, connecting sleeve; 52, magnetic suction block; 53, let go slot; 54, cooperation slot; 6, limiting sleeve; 7, shell. DETAILED DESCRIPTION

[0028] 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 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 protection of the present application.

[0029] Embodiment 1

[0030] Please refer to Figures 1-6 The present application provides the following technical solutions: a simple mechanical hand for grabbing a shell, comprising a connecting seat 3, a grabbing cylinder 4 installed above the connecting seat 3, a positioning sleeve 2 installed below the connecting seat 3, a magnetic suction head 5 slidingly arranged inside the positioning sleeve 2, the output end of the grabbing cylinder 4 connected with the magnetic suction head 5, and a limiting sleeve 6 connected to the outside of the magnetic suction head 5 at the upper end inside the positioning sleeve 2. In this embodiment, the connecting seat 3 is installed on the output end of a three-axis moving platform, and the mechanical hand is moved by the three-axis moving platform.

[0031] By adopting the above technical solutions, the magnetic suction head 5 realizes the grabbing of the shell 7 through the magnetic attraction force, the limiting sleeve 6 limits the shell 7, the magnetic attraction force of the magnetic suction head 5 to the shell 7 is less than the gravity of the shell 7, and the shell 7 is put down, which has the characteristics of simple structure, light overall weight and low production cost.

[0032] Specifically, the magnetic suction head 5 comprises a connecting sleeve 51 and a magnetic suction block 52, wherein the connecting sleeve 51 is connected with the output end of the grabbing cylinder 4, and the magnetic suction block 52 is arranged inside the connecting sleeve 51. The connecting sleeve 51 and the magnetic suction block 52 are both made of neodymium iron boron magnet material.

[0033] By adopting the above technical solutions, the shell 7 is realized.

[0034] Specifically, the inside of the positioning sleeve 2 is provided with a positioning cavity 21.

[0035] By adopting the technical scheme, the casing 7 is guided and limited by the positioning cavity 21, the stability of the casing 7 is ensured, and shaking and other conditions in the grabbing movement are avoided.

[0036] Specifically, the side surface of the connecting seat 3 is provided with an assembly groove 31.

[0037] By adopting the technical scheme, the output end of the grabbing cylinder 4 is connected with the connecting sleeve 51.

[0038] Embodiment 2

[0039] The difference between the embodiment and the embodiment 1 is that specifically, the center position of the lower end surface of the magnetic block 52 is provided with a let-go groove 53, and the lower end surface of the magnetic block 52 is provided with a matching groove 54.

[0040] By adopting the technical scheme, the shape of the upper end of the casing 7 is matched, and the stability of the casing 7 is ensured.

[0041] Embodiment 3

[0042] The difference between the embodiment and the embodiment 1 is that specifically, the embodiment further comprises a lifting cylinder 1, and the output end of the lifting cylinder 1 is connected with the connecting seat 3.

[0043] By adopting the technical scheme, the connecting seat 3 is driven by the lifting cylinder 1 to move up and down, and in the embodiment, the lifting cylinder 1 is installed on the output end of the two-axis moving platform (X, Y direction), and the mechanical hand is driven by the two-axis moving platform to move in the X and Y directions.

[0044] Embodiment 4

[0045] Further, the implementation method of the simple mechanical hand for grabbing a casing comprises the following steps.

[0046] (I) in the grabbing state, the output end of the grabbing cylinder 4 is in the extended state, the lower end surface of the magnetic head 5 is flush with the lower end surface of the limiting sleeve 6;

[0047] (II) the output end of the lifting cylinder 1 is extended to drive the connecting seat 3 to descend, so that the magnetic head 5 contacts the upper end of the casing 7, the casing 7 is adsorbed by the magnetic attraction force of the magnetic head 5, and the grabbing action is realized;

[0048] (III) when the casing 7 needs to be put down, the output end of the grabbing cylinder 4 is retracted to drive the magnetic head 5 to move upward, the limiting sleeve 6 limits the casing 7, the magnetic attraction force of the magnetic head 5 on the casing 7 is smaller than the gravity of the casing 7, the output end of the lifting cylinder 1 is retracted to drive the connecting seat 3 to move upward, so that the casing 7 is put down.

[0049] When the shell 7 is grabbed, the Z-axis of the three-axis moving platform or the descending height of the lifting cylinder 1 is confirmed during equipment debugging.

[0050] In conclusion, the shell 7 is grabbed by the magnetic attraction force of the magnetic suction head 5, the shell 7 is limited by the limiting sleeve 6, the magnetic attraction force of the magnetic suction head 5 is smaller than the gravity of the shell 7, the shell 7 is put down, the structure is simple, the overall weight is light, and the production cost is low. The interior of the positioning sleeve 2 is provided with a positioning cavity 21, the shell 7 is guided and limited by the positioning cavity 21, the stability of grabbing the shell 7 is ensured, and shaking and other conditions in the grabbing and moving process are avoided. The center position of the lower end surface of the magnetic suction block 52 is provided with a giving slot 53, the lower end surface of the magnetic suction block 52 is provided with a matching groove 54, the shape of the upper end of the shell 7 is matched, and the stability of grabbing the shell 7 is ensured.

[0051] 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 these 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 simple manipulator for grabbing a housing, characterized by: It includes a connecting seat, a grabbing cylinder is installed above the connecting seat, a positioning sleeve is installed below the connecting seat, a magnetic head slides inside the positioning sleeve, the output end of the grabbing cylinder is connected to the magnetic head, and the upper end of the positioning sleeve is also connected to a limit sleeve located outside the magnetic head.

2. The simple manipulator for grabbing a housing according to claim 1, characterized in that: The magnetic head includes a connecting sleeve and a magnetic block, wherein the connecting sleeve is connected to the output end of the grabbing cylinder, and the magnetic block is arranged inside the connecting sleeve.

3. The simple manipulator for grabbing a housing according to claim 2, characterized in that: The connecting sleeve and the magnetic block are both made of neodymium iron boron magnets.

4. The simple manipulator for grabbing a housing according to claim 2, characterized in that: A clearance groove is provided at the center of the lower end surface of the magnetic attraction block.

5. The simple manipulator for grabbing a housing according to claim 2, characterized in that: A matching groove is provided on the lower end surface of the magnetic block.

6. The simple manipulator for grabbing a housing according to claim 1, characterized in that: A positioning cavity is provided inside the positioning sleeve.

7. The simple manipulator for grabbing a housing according to claim 1, characterized in that: It also includes a lifting cylinder, and the output end of the lifting cylinder is connected to the connecting seat.

8. The simple manipulator for grabbing a housing according to claim 1, characterized in that: A mounting groove is provided on the side of the connecting seat.

9. A method for implementing a simple manipulator for grasping a housing according to any one of claims 1 to 8, characterized in that: The following steps are involved: (1) In the grasping state, the output end of the grasping cylinder is in the extended state, and the lower end surface of the magnetic head is flush with the lower end surface of the limit sleeve; (2) The output end of the lifting cylinder extends to drive the connecting seat to descend, so that the magnetic head contacts the upper end of the casing, and the casing is adsorbed by the magnetic attraction of the magnetic head to achieve the grabbing action; (3) When the casing needs to be lowered, the output end of the grabbing cylinder retracts, driving the magnetic head to move upward, and the limit sleeve limits the casing. The magnetic attraction of the magnetic head on the casing is less than the gravity of the casing. The output end of the lifting cylinder retracts and drives the connecting seat to move upward, thereby lowering the casing.

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