Robot clamp

Abstract

The robot clamp comprises a base, a left joint seat, a right joint seat, a driving assembly and two clamping fingers, two hinge holes are correspondingly formed in the base, the left joint seat is arranged on one hinge hole in a hinged mode, the right joint seat is arranged on the other hinge hole in a hinged mode, and the driving assembly is arranged on the base. The two ends of the left joint seat and the two ends of the right joint seat are located on the two sides of the corresponding hinge holes respectively, the fixed end of the driving assembly is connected with the left joint seat, and the movable end of the driving assembly is connected with the right joint seat. The upper ends of the left joint seat and the right joint seat are driven to be close to or far away from each other when the upper ends of the left joint seat and the right joint seat are driven to be close to or far away from each other, the corresponding clamping fingers are driven to be close to or far away from each other when the lower ends of the left joint seat and the right joint seat are close to or far away from each other, objects are clamped, and the mechanical arm is high in load safety system, low in failure rate, reasonable and simple in structural design and high in applicability.

Description

Technical Field

[0001] The utility model relates to the field of clamping equipment, in particular to a robot clamp. Background Art

[0002] With the continuous advancement of robot technology and the continuous expansion of its application fields, the role of robots in industry will become more prominent, injecting new impetus into industrial development. Especially in the high-temperature, high-dust and high-risk foundry industry, heavy-duty robots effectively reduce the labor intensity and labor risks of workers, and are one of the technologies that are urgently needed to be developed. The current fixtures of heavy-duty robots have two problems: first, the load safety system is low and the failure rate is high; second, the structural design is unreasonable and the applicability is not strong. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a robot clamp for solving the technical problems of the prior art such as low load safety system, high failure rate, unreasonable structural design and poor applicability.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a robot clamp, comprising:

[0005] A base, wherein two hinge holes are correspondingly provided on the base;

[0006] A left joint seat and a right joint seat, wherein the left joint seat is hingedly arranged on one of the hinge holes, and the right joint seat is hingedly arranged on the other hinge hole, and the two ends of the left joint seat and the right joint seat are respectively located on both sides of the corresponding hinge holes;

[0007] A driving assembly, wherein the fixed end of the driving assembly is connected to the left joint seat, and the movable end of the driving assembly is connected to the right joint seat. The driving assembly is located on the same side of the left joint seat and the right joint seat, and the driving assembly is used to drive the other side of the left joint seat and the other side of the right joint seat to move closer to or away from each other;

[0008] Two clamping fingers, one clamping finger is connected to the left joint seat and the other to the right joint seat.

[0009] The advantage of adopting the above technical solution is that, it should also be noted that, when in use, the driving assembly is the power source, driving the upper ends of the left joint seat and the right joint seat to move closer to or away from each other, and when the lower ends of the left joint seat and the right joint seat move closer to or away from each other, it drives the corresponding clamping fingers to move closer or away to complete the clamping of the object. It has a high load safety system, a low failure rate, a reasonable and simple structural design, and strong applicability.

[0010] Optionally, a connecting rod is further connected between the left joint seat and the right joint seat, one end of the connecting rod is close to the driving assembly, and the other end of the connecting rod is far away from the driving assembly.

[0011] Optionally, the driving assembly is a hydraulic cylinder or a pneumatic cylinder.

[0012] Optionally, the clamping finger is connected to the corresponding left joint seat or the corresponding right joint seat by at least two bolts.

[0013] Optionally, the left joint seat and the right joint seat both include a connecting plate and two splints, the splints are arranged in parallel, the connecting plate is used to connect the two splints, an installation area is formed between the two splints, and the base is located in the installation area.

[0014] Optionally, the left joint seat and the right joint seat are connected to the corresponding hinge holes through a hinge rod, and first bearings are also provided at both ends of the hinge rod. The outer ring of the first bearing is tightly pressed against the corresponding left joint seat or the corresponding right joint seat, and the inner ring of the first bearing is tightly pressed against the corresponding hinge hole.

[0015] Optionally, collars are provided at both ends of the driving assembly, and connecting columns are provided on the left joint seat and the right joint seat, the two collars correspond to the two connecting columns one by one, and the collars are sleeved on the corresponding connecting columns.

[0016] Optionally, a second bearing is further provided between the collar and the corresponding connecting column, the outer ring of the second bearing is pressed against the corresponding inner ring of the collar, and the inner ring of the second bearing is pressed against the corresponding outer wall of the connecting column.

[0017] As described above, a robot clamp of the utility model has the following beneficial effects: using the driving component as the power source, it drives the upper ends of the left joint seat and the right joint seat to move closer to or away from each other, and when the lower ends of the left joint seat and the right joint seat move closer to or away from each other, it drives the corresponding clamping fingers to move closer to or away from each other to complete the clamping of the object. It has a high load safety system, a low failure rate, a reasonable and simple structural design, and strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram showing the structure of an open state in one embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram showing a closed state structure of an embodiment of the utility model;

[0020] Figure 3 It is a partial cross-sectional schematic diagram showing the connection position between the left joint seat and the base in one embodiment of the utility model;

[0021] Figure 4 It is a partial cross-sectional schematic diagram showing the connection position between the collar and the left joint seat in one embodiment of the utility model.

[0022] Part Number Description

[0023] 1 Base

[0024] 2 Left joint seat

[0025] 3 Right joint seat

[0026] 4 Drive components

[0027] 401 Ring

[0028] 5 Gripping fingers

[0029] 6 Connecting rod

[0030] 7. First bearing

[0031] 8 Second bearing DETAILED DESCRIPTION

[0032] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0033] See also Figures 1 to 4. It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the utility model in a schematic manner. The illustrations only show the components related to the utility model rather than being drawn according to the number, shape and size of the components during actual implementation. During implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complex. The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read. They are not used to limit the restrictive conditions for the implementation of the utility model, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.

[0034] See also Figures 1 to 4 As shown, the utility model provides a robot fixture, comprising:

[0035] A base 1, wherein two hinge holes are correspondingly provided on the base 1;

[0036] A left joint seat 2 and a right joint seat 3, wherein the left joint seat 2 is hingedly arranged on one of the hinge holes, and the right joint seat 3 is hingedly arranged on the other hinge hole, and the two ends of the left joint seat 2 and the right joint seat 3 are respectively located on both sides of the corresponding hinge holes;

[0037] A driving assembly 4, wherein the fixed end of the driving assembly is connected to the left joint seat 2, and the movable end of the driving assembly is connected to the right joint seat 3. The driving assembly 4 is located on the same side of the left joint seat 2 and the right joint seat 3, and the driving assembly 4 is used to drive the other sides of the left joint seat 2 and the right joint seat 3 to move closer to or away from each other;

[0038] Two clamping fingers 5, one of which is connected to the left joint seat 2 and the other to the right joint seat 3.

[0039] In one embodiment, the base 1 is a hollow structure, the driving component 4 is disposed in the base 1 , and both ends of the driving component 4 extend out of the base 1 .

[0040] Exemplarily, a connecting rod 6 is further connected between the left joint seat 2 and the right joint seat 3 , one end of the connecting rod 6 is close to the driving assembly 4 , and the other end of the connecting rod 6 is far away from the driving assembly 4 .

[0041] It should also be noted that when in use, the driving component 4 is the power source, which drives the upper ends of the left joint seat 2 and the right joint seat 3 to move closer to or away from each other. When the lower ends of the left joint seat 2 and the right joint seat 3 move closer to or away from each other, it drives the corresponding clamping fingers 5 to move closer or away to complete the clamping of the object. It has a high load safety system, a low failure rate, a reasonable and simple structural design, and strong applicability.

[0042] Exemplarily, the driving assembly 4 is a hydraulic cylinder or a pneumatic cylinder.

[0043] It should also be noted that the drive assembly 4 is driven by a cylinder, which can ensure that the power is sufficient for the stability of the clamping fingers 5 when grasping objects, and avoid looseness during the grasping process.

[0044] Exemplarily, the clamping finger 5 is connected to the corresponding left joint seat 2 or the corresponding right joint seat 3 by at least two bolts.

[0045] It should also be noted that in order to improve the stability of the connection between the clamping finger 5 and the corresponding left joint seat 2 or the corresponding right joint seat 3, the clamping finger 5 may be provided with a mounting opening near the left joint seat 2 or the corresponding right joint seat 3, and the left joint seat 2 or the corresponding right joint seat 3 may be clamped in the corresponding mounting opening and then connected by bolts to ensure the stability of the connection.

[0046] Exemplarily, the left joint seat 2 and the right joint seat 3 both include a connecting plate and two splints, the splints are arranged in parallel, the connecting plate is used to connect the two splints, an installation area is formed between the two splints, and the base 1 is located in the installation area.

[0047] In one embodiment, the base 1 is a two-layer structure, and the left joint seat 2 and the right joint seat 3 are arranged between the gaps of the base 1 .

[0048] It should also be noted that when the left joint seat 2 and the right joint seat 3 are connected to the base 1 , the forces are evenly distributed on both sides of the base 1 .

[0049] It is further explained that the sides of the left joint seat 2 and the right joint seat 3 are also provided with hinge grooves, and the two sides of the base 1 extend into the hinge grooves and are then connected by bolts to ensure that the left joint seat 2 and the right joint seat 3 are evenly stressed when rotating.

[0050] Exemplarily, the left joint seat 2 and the right joint seat 3 are connected to the corresponding hinge holes through a hinge rod, and the first bearings 7 are also sleeved on both ends of the hinge rod. The outer ring of the first bearing 7 is tightly pressed against the corresponding left joint seat 2 or the corresponding right joint seat 3, and the inner ring of the first bearing 7 is tightly pressed against the corresponding hinge hole.

[0051] It should also be noted that the first bearing 7 is provided to reduce the friction between the left joint seat 2, the right joint seat 3 and the base 1, thereby ensuring smoothness of the rotation of the left joint seat 2 and the right joint seat 3.

[0052] Exemplarily, both ends of the driving assembly 4 are provided with collars 401, and both the left joint seat 2 and the right joint seat 3 are provided with connecting columns, the two collars 401 correspond to the two connecting columns one by one, and the collars 401 are sleeved on the corresponding connecting columns.

[0053] It should also be noted that the collar 401 is provided to facilitate the stability of the drive assembly 4 when connected. In one embodiment, the left joint seat 2 and the right joint seat 3 are both provided with connecting grooves, and connecting columns are provided in the connecting grooves. The collar 401 is sleeved on the corresponding connecting columns.

[0054] Exemplarily, a second bearing 8 is further provided between the collar 401 and the corresponding connecting column, the outer ring of the second bearing 8 is pressed against the corresponding inner ring of the collar 401, and the inner ring of the second bearing 8 is pressed against the corresponding outer wall of the connecting column.

[0055] It should also be noted that the provision of the second bearing 8 can effectively reduce the friction between the collar 401 and the corresponding connecting column, so that the drive assembly 4 can be smoothly connected with the corresponding left joint seat 2 and the right joint seat 3 during the extension or contraction process.

[0056] Exemplarily, the clamping section of the clamping finger 5 is further provided with a gasket, which serves to increase friction and protect the clamped object.

[0057] To sum up, a robot clamp of the utility model is adopted, with the driving component 4 as the power source, which drives the upper ends of the left joint seat 2 and the right joint seat 3 to move closer to or away from each other, and when the lower ends of the left joint seat 2 and the right joint seat 3 move closer to or away from each other, it drives the corresponding clamping fingers 5 to move closer or away to complete the clamping of the object. It has a high load safety system, a low failure rate, a reasonable and simple structural design, and strong applicability.

[0058] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A robot fixture, characterized in that: include: A base (1), wherein the base (1) is correspondingly provided with two hinge holes; A left joint seat (2) and a right joint seat (3), wherein the left joint seat (2) is hingedly arranged on one of the hinge holes, and the right joint seat (3) is hingedly arranged on the other of the hinge holes, and the two ends of the left joint seat (2) and the right joint seat (3) are respectively located on both sides of the corresponding hinge holes; A driving component (4), wherein a fixed end of the driving component is connected to the left joint seat (2), and a movable end of the driving component is connected to the right joint seat (3); the driving component (4) is located on the same side of the left joint seat (2) and the right joint seat (3); and the driving component (4) is used to drive the other sides of the left joint seat (2) and the right joint seat (3) to move closer to or farther from each other; Two clamping fingers (5), one of the clamping fingers being connected to the left joint seat (2) and the right joint seat (3) respectively.

2. A robot fixture according to claim 1, characterized in that: A connecting rod (6) is also connected between the left joint seat (2) and the right joint seat (3), one end of the connecting rod (6) is close to the driving assembly (4), and the other end of the connecting rod (6) is far away from the driving assembly (4).

3. A robot fixture according to claim 2, characterized in that: The driving component (4) is a hydraulic cylinder or a pneumatic cylinder.

4. A robot fixture according to claim 2, characterized in that: The clamping finger (5) is connected to the corresponding left joint seat (2) or the corresponding right joint seat (3) via at least two bolts.

5. A robot fixture according to claim 4, characterized in that: The left joint seat (2) and the right joint seat (3) both comprise a connecting plate and two clamping plates, wherein the clamping plates are arranged in parallel, and the connecting plate is used to connect the two clamping plates, and an installation area is formed between the two clamping plates, and the base (1) is located within the installation area.

6. A robot fixture according to claim 5, characterized in that: The left joint seat (2) and the right joint seat (3) are connected to the corresponding hinge holes via a hinge rod, and first bearings (7) are sleeved on both ends of the hinge rod. The outer ring of the first bearing (7) is tightly pressed against the corresponding left joint seat (2) or the corresponding right joint seat (3), and the inner ring of the first bearing (7) is tightly pressed against the corresponding hinge hole.

7. A robot fixture according to claim 6, characterized in that: Both ends of the driving assembly (4) are provided with collars (401), and both the left joint seat (2) and the right joint seat (3) are provided with connecting columns. The two collars (401) correspond to the two connecting columns one by one, and the collars (401) are sleeved on the corresponding connecting columns.

8. A robot fixture according to claim 7, characterized in that: A second bearing (8) is also provided between the collar (401) and the corresponding connecting column, the outer ring of the second bearing (8) is tightly pressed against the inner ring of the corresponding collar (401), and the inner ring of the second bearing (8) is tightly pressed against the outer wall of the corresponding connecting column.

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