Protection structure of PPU manipulator

Abstract

The utility model relates to a protection structure of a PPU mechanical arm, which comprises a fixing plate and a protective cover, the protective cover is installed in front of the fixing plate, a protective cavity is formed in the space between the protective cover and the fixing plate, a track plate, a cycloidal gear, a limiting plate, an inductor assembly and a guide rail of the PPU mechanical arm are located in the protective cavity, and main parts of the PPU mechanical arm are located in the protective cavity. The protective cover prevents external foreign matters such as dust particles, metal, sundries and the like from entering the protective cavity to damage parts and affect normal work of the PPU manipulator, and meanwhile prevents the parts from hurting people during movement.

Description

Technical Field

[0001] The utility model relates to the field of mechanical equipment, in particular to a protective structure of a PPU manipulator. Background Art

[0002] The PPU manipulator mainly uses a motor to drive the cam to move. The cam drives the cycloid wheel to swing and then moves the guide rail according to the preset trajectory to realize material handling. The structural defect of the existing PPU manipulator is that there is no external protective structure. For example, the Chinese invention patent application number 202310726999.7 discloses an invention named a PPU handling manipulator. The manipulator of this patented technical solution has no external protective structure. Therefore, when it is actually used, there is a risk that foreign matter may enter the manipulator, causing damage to the manipulator, or the running parts may touch people. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the utility model provides a protection structure for a PPU manipulator, and the specific technical solution is as follows:

[0004] A protective structure of a PPU manipulator comprises a fixed plate and a shield, wherein the shield is installed in front of the fixed plate, and the space between the shield and the fixed plate forms a protective chamber, wherein a track plate, a cycloidal wheel, a limit plate, a sensor assembly, and a guide rail of the PPU manipulator are located in the protective chamber, and the shield prevents external foreign matter from entering the protective chamber.

[0005] As a preferred solution of the utility model, the protective cover is composed of a front plate, an upper side plate, a lower side plate, a left side plate and a right side plate. The upper end of the front plate is connected to the upper side plate, the lower end of the front plate is connected to the lower side plate, the left end of the front plate is connected to the left side plate, the right end of the front plate is connected to the right side plate, the upper and lower ends of the left side plate are respectively connected to the upper side plate and the lower side plate, the upper and lower ends of the right side plate are respectively connected to the upper side plate and the lower side plate, the left side plate, the upper side plate, the right side plate and the lower side plate are surrounded to form a protective chamber, and an opening is set at the rear of the protective chamber.

[0006] As a preferred solution of the utility model, the connection between the left side plate and the upper side plate and the lower side plate is rounded, and the connection between the right side plate and the upper side plate and the lower side plate is rounded.

[0007] As a preferred solution of the utility model, a step is provided in front of the fixing plate, and the left side plate, the upper side plate, the right side plate and the lower side plate are embedded in the step and fixed with screws.

[0008] As a preferred solution of the utility model, the protective cover is provided with an avoidance groove for the guide rail to extend out.

[0009] As a preferred solution of the utility model, the fixing plate is provided with a wire passing hole, a wire protection rubber sleeve is installed in the wire passing hole, and the external wire enters the protection chamber through the wire protection rubber sleeve.

[0010] Beneficial effect: The main parts of the PPU manipulator are located in the protection chamber. The shield prevents foreign objects such as dust particles, metal, and debris from entering the protection chamber. Damaged parts affect the normal operation of the PPU manipulator, and also prevents these parts from injuring people during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional diagram of the utility model;

[0012] Figure 2 It is an exploded view of the utility model viewed from the front;

[0013] Figure 3 It is an exploded view of the utility model viewed from the rear;

[0014] Figure 4 It is a cross-sectional view of the protective cover of the utility model. DETAILED DESCRIPTION

[0015] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings:

[0016] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be constructed and operated in specific directions. Therefore, they cannot be understood as limitations on the present invention.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0018] like Figures 1 to 4 As shown, a protective structure of a PPU manipulator includes a fixed plate 1 and a shield 2. The shield 2 is installed in front of the fixed plate 1. The space between the shield 2 and the fixed plate 1 forms a protective chamber 3. The track plate 4, cycloidal wheel 5, limit plate 6, sensor assembly 7, and guide rail 8 of the PPU manipulator are located in the protective chamber 3. The shield 2 prevents external foreign matter from entering the protective chamber 3.

[0019] Specifically, the shield 2 is composed of a front plate 21, an upper side plate 22, a lower side plate 23, a left side plate 24 and a right side plate 25. The upper end of the front plate 21 is connected to the upper side plate 22, the lower end of the front plate 21 is connected to the lower side plate 23, the left end of the front plate 21 is connected to the left side plate 24, the right end of the front plate 21 is connected to the right side plate 25, the upper and lower ends of the left side plate 24 are respectively connected to the upper side plate 22 and the lower side plate 23, the upper and lower ends of the right side plate 25 are respectively connected to the upper side plate 22 and the lower side plate 23, the left side plate 24, the upper side plate 22, the right side plate 25 and the lower side plate 23 are surrounded to form a protective chamber 3, the rear opening of the protective chamber 3 is set, and the shield 2 is provided with a avoidance groove 26 for the guide rail to extend. The setting position of the avoidance groove 26 is adjusted for applicability according to the extension direction of the guide rail. In this embodiment, the avoidance groove 26 is set on the right side plate 25.

[0020] Specifically, the corners of the connections between the left side plate 24 and the upper side plate 22 and the lower side plate 23 are rounded, and the corners of the connections between the right side plate 25 and the upper side plate 22 and the lower side plate 23 are rounded.

[0021] Specifically, a step 1a is provided in front of the fixing plate 1, and the left side plate 24, the upper side plate 22, the right side plate 25, and the lower side plate 22 are embedded in the step 1a and fixed with screws to achieve the installation of the shield 2.

[0022] Specifically, the fixing plate 1 is provided with a wire hole 1b, in which a wire protection rubber sleeve is installed. The external wire enters the protection chamber 3 through the wire protection rubber sleeve and then connects to electronic components such as sensors, which can provide certain protection for the wire.

[0023] The above content is a further detailed description of the utility model in combination with specific preferred implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the protection scope of the utility model.

Claims

1. A protective structure for a PPU manipulator, characterized in that: It includes a fixed plate and a shield. The shield is installed in front of the fixed plate. The space between the shield and the fixed plate forms a protection chamber. The track plate, cycloid wheel, limit plate, sensor assembly, and guide rail of the PPU manipulator are located in the protection chamber. The shield prevents external foreign matter from entering the protection chamber.

2. A protective structure for a PPU manipulator according to claim 1, characterized in that: The protective cover is composed of a front plate, an upper side plate, a lower side plate, a left side plate and a right side plate. The upper end of the front plate is connected to the upper side plate, the lower end of the front plate is connected to the lower side plate, the left end of the front plate is connected to the left side plate, the right end of the front plate is connected to the right side plate, the upper and lower ends of the left side plate are respectively connected to the upper side plate and the lower side plate, the upper and lower ends of the right side plate are respectively connected to the upper side plate and the lower side plate, the left side plate, the upper side plate, the right side plate and the lower side plate surround to form a protective chamber, and an opening is arranged at the rear of the protective chamber.

3. A protective structure for a PPU manipulator according to claim 2, characterized in that: The connections between the left side plate and the upper side plate and the lower side plate are respectively rounded, and the connections between the right side plate and the upper side plate and the lower side plate are respectively rounded.

4. A protective structure for a PPU manipulator according to claim 2, characterized in that: A step is arranged in front of the fixing plate, and the left side plate, the upper side plate, the right side plate and the lower side plate are embedded in the step and fixed with screws.

5. The protective structure of a PPU manipulator according to claim 2, characterized in that: The protective cover is provided with an avoidance groove for the guide rail to extend out.

6. The protective structure of a PPU manipulator according to claim 1, characterized in that: The fixing plate is provided with a wire passing hole, in which a wire protection rubber sleeve is installed, and the external wire enters the protection chamber through the wire protection rubber sleeve.

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