Clamping mechanical clamping jaw

Abstract

The utility model discloses a mechanical clamping jaw which comprises two clamping jaws and a power piece used for providing power for the clamping jaws, and the end portion of an output rod of the power piece is connected with the clamping jaws through a transmission mechanism. The power piece drives the output rod to do reciprocating rectilinear motion, and the transmission mechanism can drive the clamping jaws to be close to or away from each other. Therefore, the mechanical clamping jaw is simple in structure and convenient to operate, and the clamping efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping automobile parts, in particular to a clamping mechanical claw. Background Art

[0002] Welding is a technology that combines metals or other thermoplastic materials by heating, high temperature or high pressure. A typical car body is made up of hundreds of auto parts, which are welded through multiple processes to form a car body. In the prior art, mechanical grippers are generally used to clamp parts during welding at each workstation. Most of the current mechanical grippers have complex structures, slow operating speeds and low clamping efficiency.

[0003] In view of this, it is necessary to provide a clamping mechanical claw with a simple structure and easy operation to solve the problems of the above-mentioned existing claws with complex structure and low clamping efficiency. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model proposes a clamping mechanical claw.

[0005] The utility model proposes a clamping mechanical claw, comprising two claws and a power piece for providing power to the claws, wherein the end of an output rod of the power piece is connected to the claws through a transmission mechanism, and the power piece drives the output rod to reciprocate linearly and can drive the claws to move closer to or farther away from each other through the transmission mechanism.

[0006] Preferably, a fixing seat is also included, and the transmission mechanism includes:

[0007] The sliding block has an outer contour of an isosceles trapezoid, and the long side of the bottom is fixed to the end of the output rod by a connecting piece;

[0008] A beveled slider, the outer contour of which is set to be a right-angled trapezoid with a beveled edge, includes a first beveled slider and a second beveled slider, which are respectively slidably connected to the beveled edges at both ends of the sliding block and the beveled edges are arranged opposite to each other, the side right-angled edges of the beveled slider pass through the end of the fixed seat and are movably connected, the bottom right-angled edge is slidably connected to the outer side of the fixed seat, the beveled edge is slidably connected to the sliding block, and the outer sides of the bottom right-angled edges of the first and second beveled sliders are respectively fixedly connected to two claws.

[0009] Preferably, the two end hypotenuses of the sliding block are respectively provided with first sliding blocks extending along the hypotenuses, the hypotenuses of the hypotenuse sliding blocks are provided with first sliding grooves extending along the hypotenuses, and the first sliding blocks extend into the first sliding grooves.

[0010] Preferably, a second slider is provided at the upper end and the lower end of the bottom right-angle side of the bevel slider respectively, and a second slide groove is provided at the corresponding position of the fixed seat, and the second slider extends into the second slide groove.

[0011] Preferably, the power member is configured as an electric cylinder.

[0012] Preferably, the clamping surface of the claw is provided with an anti-slip structure.

[0013] Preferably, the inner side of the fixing seat is further provided with a through hole through which the output rod can pass.

[0014] In summary, the utility model has the following beneficial effects: the power member drives the output rod to reciprocate and linearly move, and can drive the clamping claws to move closer or farther from each other through the transmission mechanism. The clamping mechanical clamping claws in this embodiment have a simple structure, are easy to operate, and improve the clamping efficiency.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a diagram of the first state of the clamping mechanical claw according to an embodiment of the utility model;

[0017] Figure 2 A second state diagram of the clamping mechanical claw according to an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the sliding block of an embodiment of the utility model;

[0019] Figure 4 It is a schematic structural diagram of the first inclined sliding block of an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Clamping claw; 2. Power member; 3. Output rod; 4. Sliding block; 5. First inclined sliding block; 6. Second inclined sliding block; 7. Fixed seat; 8. First sliding block; 9. First sliding groove; 10. Second sliding block; 11. Second sliding groove; 12. Anti-slip structure. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] like Figure 1-4As shown, a clamping mechanical claw proposed in this embodiment includes two claws 1 and a power member 2 for providing power to the claws 1. The end of the output rod 3 of the power member 2 is connected to the claws 1 through a transmission mechanism. The power member 2 drives the output rod 3 to reciprocate in a linear motion and can drive the claws 1 to move closer or farther away from each other through the transmission mechanism.

[0024] The clamping claw 1 can be in various shapes, such as a cube, a cuboid, a cylinder or other shapes. The specific shape can be designed and matched according to the parts to be clamped.

[0025] Furthermore, in order to prevent parts from slipping between the claws 1, an anti-slip structure 12 is provided on the clamping surface of the claws 1. Specifically, the anti-slip structure 12 can be a plurality of square anti-slip grooves, diamond anti-slip grooves, rubber surfaces or other surfaces, etc., depending on the specific situation.

[0026] In this embodiment, a fixing seat 7 is also included, and the transmission mechanism includes:

[0027] The sliding block 4 has an outer contour of an isosceles trapezoid, and the long side of the bottom is fixed to the end of the output rod 3 by a connecting piece;

[0028] The beveled slider has an outer contour set to be a right-angled trapezoid with a beveled edge, including a first beveled slider 5 and a second beveled slider 6, which are respectively slidably connected to the beveled edges at both ends of the sliding block 4 and are arranged opposite to each other. The side right-angled edge of the beveled slider passes through the end of the fixed seat 7 and is movably connected, the bottom right-angled edge is slidably connected to the outer side of the fixed seat 7, the beveled edge is slidably connected to the sliding block 4, and the outer sides of the bottom right-angled edges of the first beveled slider 5 and the second beveled slider 6 are respectively fixedly connected to the two claws 1.

[0029] Specifically, the inner side of the fixing seat 7 is further provided with a through hole through which the output rod 3 can pass, and the power member 2 is fixed to the outer side of the fixing seat 7 .

[0030] When the power piece 2 drives the output rod 3 to extend outward, the two end bevels of the first slider 8 are driven to slide along the bevels of the first bevel slider 5 and the second bevel slider 6 respectively, and the first bevel slider 5 and the second bevel slider 6 both move outward, driving the two claws 1 to move away from each other; when the power piece 2 drives the output rod 3 to retract inward, the two end bevels of the first slider 8 are driven to slide back along the bevels of the first bevel slider 5 and the second bevel slider 6 respectively, and the first bevel slider 5 and the second bevel slider 6 both move inward, driving the two claws 1 to move closer to each other to clamp the parts.

[0031] The power member 2 may be an electric cylinder, a pneumatic cylinder, a hydraulic cylinder, etc., depending on the specific situation.

[0032] As such, the clamping mechanical claw in this embodiment has a simple structure, is easy to operate, and improves the clamping efficiency.

[0033] Furthermore, the two end hypotenuses of the sliding block 4 are respectively provided with first sliding blocks 8 extending along the hypotenuses, and the hypotenuses of the hypotenuse sliding blocks are provided with first sliding grooves 9 extending along the hypotenuses, and the first sliding blocks 8 extend into the first sliding grooves 9 .

[0034] Furthermore, the upper and lower ends of the bottom right-angled side of the beveled slider are respectively provided with second sliders 10 , and the corresponding positions of the fixed seat 7 are provided with second slide grooves 11 , and the second slider 10 extends into the second slide grooves 11 .

[0035] It should be noted that the connecting member can be a connecting pin, and two oppositely arranged connecting plates are integrally provided on the outer side of the bottom long side of the sliding block 4, and connecting holes are opened on the two connecting plates. The connecting pin cooperates with the connecting holes to be connected and fixed.

[0036] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamping mechanical claw, comprising two claws and a power member for providing power to the claws, characterized in that: The end of the output rod of the power member is connected to the claw through a transmission mechanism, and the power member drives the output rod to reciprocate and linearly move, and can drive the claws to move closer or farther from each other through the transmission mechanism; a fixed seat is also included, and the transmission mechanism includes: The sliding block has an outer contour of an isosceles trapezoid, and the long side of the bottom is fixed to the end of the output rod by a connecting piece; A beveled slider, the outer contour of which is set to be a right-angled trapezoid with a beveled edge, includes a first beveled slider and a second beveled slider, which are respectively slidably connected to the beveled edges at both ends of the sliding block and the beveled edges are arranged opposite to each other, the side right-angled edges of the beveled slider pass through the end of the fixed seat and are movably connected, the bottom right-angled edge is slidably connected to the outer side of the fixed seat, the beveled edge is slidably connected to the sliding block, and the outer sides of the bottom right-angled edges of the first and second beveled sliders are respectively fixedly connected to two claws.

2. The clamping mechanical claw according to claim 1, characterized in that: The two end hypotenuses of the sliding block are respectively provided with first sliding blocks extending along the hypotenuses, the hypotenuses of the hypotenuse sliding blocks are provided with first sliding grooves extending along the hypotenuses, and the first sliding blocks extend into the first sliding grooves.

3. The clamping mechanical claw according to claim 1, characterized in that: The upper end and the lower end of the bottom right-angle side of the beveled sliding block are respectively provided with a second sliding block, and the corresponding position of the fixed seat is provided with a second sliding groove, and the second sliding block extends into the second sliding groove.

4. The clamping mechanical claw according to claim 2 or 3, characterized in that: The power member is configured as an electric cylinder.

5. The clamping mechanical claw according to claim 1, characterized in that: The clamping surface of the clamping claw is provided with an anti-slip structure.

6. The clamping mechanical claw according to claim 1, characterized in that: The inner side of the fixing seat is also provided with a through hole through which the output rod can pass.

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