Cylinder-driven clamping device and automated production line with the same

CN224445988UActive Publication Date: 2026-07-03JIANGSU HONGXIN YITAI INTELLIGENT EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HONGXIN YITAI INTELLIGENT EQUIP CO LTD
Filing Date
2025-07-23
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing automated clamping devices have complex structures and low clamping stability.

Method used

The cylinder-driven clamping device includes a clamping cylinder, a clamping transmission belt, and clamping arms. The clamping cylinder drives the first clamping arm to move horizontally on the drive mounting frame, and the clamping transmission belt synchronously drives the second clamping arm to move in the opposite direction. A sliding guide rail and a sliding component are provided to improve stability, and driving force is applied to both sides of the clamping arm by the two clamping cylinders.

Benefits of technology

It achieves stable clamping action, improves the driving stability and clamping force uniformity of the clamping device, prevents insufficient clamping force caused by uneven force, and enhances the operational stability of automated production lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure provides a cylinder-driven clamping device and an automatic production line with the same, and relates to the technical field of automatic processing equipment, which comprises a driving mounting frame, a clamping cylinder, a clamping transmission belt, a first clamping arm and a second clamping arm. The first clamping arm and the second clamping arm are symmetrically arranged on the driving mounting frame, and slide along the length direction of the driving mounting frame. The clamping cylinder is fixedly arranged on the driving mounting frame, and the output end of the clamping cylinder is transmissionally connected to the first clamping arm. The clamping transmission belt is sleeved on the driving mounting frame along the length direction of the driving mounting frame, and is tensioned on the driving mounting frame to form two driving sections which are parallel to each other. The first clamping arm is transmissionally connected to one of the driving sections on the clamping transmission belt, and the second clamping arm is transmissionally connected to the other driving section on the clamping transmission belt. The present scheme has a simple structure and can stably clamp materials.
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Description

Technical Field

[0001] This disclosure relates to the field of automated processing equipment technology, and more particularly to a cylinder-driven clamping device and an automated production line with the clamping device. Background Technology

[0002] Automated grippers are typically mounted on industrial robots and used in industrial automation equipment. They represent one of the latest technologies in modern industrial automation and are primarily used in conjunction with robots in modern industrial production. They are suitable for the rapid gripping, positioning, and transfer of workpieces in scenarios such as automated production lines, machining, and logistics sorting.

[0003] The prior art, Chinese invention patent with publication number CN117246766A, discloses an automated clamping device, including a mechanical gripper with two sets of clamping plates, each set of clamping plates having several sets of through holes; it also includes a suction component for adsorbing the box to be transported, which is installed on the mechanical gripper and connected to the clamping plates; and a squeezing component for squeezing the two sets of clamping plates, which is installed on the mechanical gripper and connected to the suction component. However, the structure of this device is complex and the clamping device has low stability. Utility Model Content

[0004] One of the technical problems that this disclosure aims to solve is that existing automated clamping devices have complex structures and low clamping stability.

[0005] To solve the above-mentioned technical problems, this disclosure provides a cylinder-driven clamping device, including a drive mounting frame, a clamping cylinder, a clamping transmission belt, a first clamping arm, and a second clamping arm. The first clamping arm and the second clamping arm are symmetrically arranged on the drive mounting frame. The first clamping arm and the second clamping arm slide along the length direction of the drive mounting frame. The clamping cylinder is fixedly arranged on the drive mounting frame. The output end of the clamping cylinder is driven to the first clamping arm. The clamping transmission belt is sleeved on the drive mounting frame along the length direction. The clamping transmission belt is tensioned on the drive mounting frame to form two parallel drive segments. The first clamping arm is driven to one of the drive segments on the clamping transmission belt, and the second clamping arm is driven to the other drive segment on the clamping transmission belt.

[0006] In some embodiments, two clamping cylinders are provided, and the two clamping cylinders are respectively driven to both sides of the first clamping arm.

[0007] In some embodiments, a sliding guide rail is provided along the length of the drive mounting bracket, and a sliding member is provided on the first clamping arm and the second clamping arm respectively. The sliding member is embedded in the sliding guide rail, and the first clamping arm and the second clamping arm move along the sliding guide rail.

[0008] In some embodiments, two sliding guide rails are arranged parallel to each other, and two mutually engaging sliding members are correspondingly provided on the first clamping arm and the second clamping arm.

[0009] In some embodiments, a pulley is rotatably provided at each end of the drive mounting bracket along its length, and the drive belt is sleeved on the pulleys on both sides.

[0010] In some embodiments, two clamping drive belts are provided, and two pulleys are rotatably provided at both ends of the drive mounting frame along the length direction. The two pulleys on the same side are symmetrically arranged, and the two clamping drive belts are sleeved on the pulleys on both sides in parallel. The first clamping arm and the second clamping arm are connected by the two clamping drive belts.

[0011] In some embodiments, the drive mounting bracket includes a long mounting bracket, a connecting crossbeam, and a vertical fixing bracket. Two long mounting brackets are symmetrically arranged, the connecting crossbeam is connected between the two long mounting brackets, the vertical fixing bracket is vertically installed on the upper end face of the connecting crossbeam, and two sliding guide rails are arranged on the two long mounting brackets.

[0012] In some embodiments, the first clamping arm and the second clamping arm have the same structure. The first clamping arm includes a drive crossbeam, a clamping vertical frame, and a clamping member. The drive crossbeam is horizontally arranged on the drive mounting frame, and the sliding member is fixedly arranged on both sides of the drive crossbeam. The clamping vertical frame is fixedly installed on the lower end face of the drive crossbeam, and the clamping member is fixedly arranged on the clamping vertical frame.

[0013] In some embodiments, a fixing member is provided on the first clamping arm and the second clamping arm. The fixing member includes a fixing base and a fixing plate. A fixing groove is provided on the fixing base. The clamping transmission belt is located in the fixing groove. The fixing plate is located in the fixing groove on the fixing base. Bolts press the fixing plate onto the fixing base.

[0014] An automated production line includes the aforementioned cylinder-driven clamping device.

[0015] Through the above technical solution, the cylinder-driven clamping device and the automated production line with the clamping device provided in this disclosure have the following beneficial effects:

[0016] Firstly, in this solution, the first clamping arm is driven by a clamping cylinder to move horizontally on the drive mounting frame. At the same time, the first clamping arm drives the clamping transmission belt, which in turn drives the second clamping arm to move synchronously with the first clamping arm. Since the first and second clamping arms are respectively connected to the upper and lower drive sections of the same clamping transmission belt, when the first clamping arm moves, it will synchronously drive the second clamping arm to move in the opposite direction, thereby achieving a stable clamping action.

[0017] Secondly, this solution is equipped with two clamping cylinders, which are respectively driven to both sides of the first clamping arm. This allows the clamping cylinders on both sides to apply driving force to both sides of the first clamping arm at the same time, improving the driving stability of the first clamping arm and preventing insufficient clamping force due to uneven force distribution.

[0018] Thirdly, this solution has a sliding guide rail along the length of the drive mounting bracket. Sliding elements are respectively provided on the first clamping arm and the second clamping arm. The sliding elements are embedded in the sliding guide rail. The first clamping arm and the second clamping arm move along the sliding guide rail. The sliding elements and the sliding guide rail cooperate with each other to enable the first clamping arm and the second clamping arm to slide back and forth along the sliding guide rail, thereby improving the stability of the first clamping arm and the second clamping arm during movement. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment disclosed in this disclosure;

[0021] Figure 2 yes Figure 1 Enlarged structural diagram at point A;

[0022] Figure 3 yes Figure 1 Enlarged structural diagram at point B;

[0023] Figure 4 This is a schematic diagram of the clamping device in the embodiment of this disclosure when it is clamped;

[0024] Figure 5 yes Figure 4 Enlarged structural diagram at point C;

[0025] Figure 6 This is a schematic diagram showing the state of the clamping device when it is deployed in the embodiments disclosed herein;

[0026] Figure 7 This is a schematic diagram of the engagement state of the first clamping arm and the second clamping arm in this embodiment.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Drive mounting bracket; 11. Sliding guide rail; 12. Long mounting bracket; 13. Connecting crossbeam; 14. Vertical fixing bracket; 2. Clamping cylinder; 3. Clamping transmission belt; 31. Drive section; 4. First clamping arm; 41. Drive crossbeam; 42. Clamping vertical bracket; 43. Clamping component; 5. Second clamping arm; 6. Sliding component; 7. Pulley; 8. Fixing component; 81. Fixed base; 82. Fixing plate. Detailed Implementation

[0029] The embodiments of this disclosure will be further described in detail below with reference to the accompanying drawings and examples. The detailed description of the embodiments and the accompanying drawings are used to illustrate the principles of this disclosure by way of example, but should not be used to limit the scope of this disclosure. This disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0030] These embodiments are provided to make the disclosure thorough and complete, and to fully express the scope of the disclosure to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, material composition, numerical expressions, and values ​​set forth in these embodiments should be interpreted as exemplary only and not as limiting.

[0031] It should be noted that, in the description of this disclosure, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientation or positional relationship, are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0032] Furthermore, the terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. "Vertical" is not strictly vertical, but within the permissible margin of error. "Parallel" is not strictly parallel, but within the permissible margin of error. Terms such as "including" or "contains" mean that the element preceding the word encompasses the element listed after the word, and do not exclude the possibility of encompassing other elements as well.

[0033] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this disclosure depending on the specific circumstances. When a particular device is described as being located between a first device and a second device, an intermediary device may or may not be present between the particular device and the first or second device.

[0034] All terms used in this disclosure have the same meaning as understood by one of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant art, and not as idealized or highly formalized, unless expressly defined herein.

[0035] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

[0036] like Figure 1-7 As shown, a cylinder-driven clamping device includes a drive mounting frame 1, a clamping cylinder 2, a clamping transmission belt 3, a first clamping arm 4, and a second clamping arm 5. The first clamping arm 4 and the second clamping arm 5 are symmetrically arranged on the drive mounting frame 1 and slide along their length on the drive mounting frame 1. The clamping cylinder 2 is fixedly mounted on the drive mounting frame 1, and its output end is drively connected to the first clamping arm 4. The clamping transmission belt 3 is sleeved on the drive mounting frame 1 along its length and is tensioned on the drive mounting frame 1 to form two parallel drive sections 31. The first clamping arm 4 is connected to one of the drive segments 31 on the clamping transmission belt 3, and the second clamping arm 5 is connected to the other drive segment 31 on the clamping transmission belt 3. The first clamping arm 4 is driven by the clamping cylinder 2 to move horizontally on the drive mounting frame 1. At the same time, the first clamping arm 4 drives the clamping transmission belt 3, and the clamping transmission belt 3 drives the second clamping arm 5 to move synchronously with the first clamping arm 4. Since the first clamping arm 4 and the second clamping arm 5 are respectively connected to the upper and lower drive segments 31 of the same clamping transmission belt 3, when the first clamping arm 4 moves, it will synchronously drive the second clamping arm 5 to move in the opposite direction.

[0037] In some embodiments, two clamping cylinders 2 are provided, and the two clamping cylinders 2 are respectively driven to both sides of the first clamping arm 4. This allows the clamping cylinders 2 on both sides to simultaneously apply driving force to both sides of the first clamping arm 4, improving the driving stability of the first clamping arm 4 and preventing insufficient clamping force due to uneven force distribution. The output end of each clamping cylinder 2 is detachably connected to the first clamping arm 4 by bolts, and there are also two clamping transmission belts 3, which further improves the smoothness of movement.

[0038] In some embodiments, a sliding guide rail 11 is provided along the length of the drive mounting bracket 1, and a sliding member 6 is provided on the first clamping arm 4 and the second clamping arm 5 respectively. The sliding member 6 is embedded in the sliding guide rail 11, and the first clamping arm 4 and the second clamping arm 5 move along the sliding guide rail 11. The sliding member 6 and the sliding guide rail 11 cooperate with each other to enable the first clamping arm 4 and the second clamping arm 5 to slide back and forth along the sliding guide rail 11, thereby improving the stability of the first clamping arm 4 and the second clamping arm 5 during movement.

[0039] In some embodiments, two sliding guide rails 11 are arranged parallel to each other, and two mutually engaging sliding members 6 are correspondingly provided on the first clamping arm 4 and the second clamping arm 5, thereby further improving the movement stability of the first clamping arm 4 and the second clamping arm 5.

[0040] In some embodiments, a pulley 7 is rotatably provided at each end of the drive mounting frame 1 along its length. The clamping transmission belt 3 is sleeved on the pulleys 7 on both sides. There are two clamping transmission belts 3. The two pulleys 7 on the same side are symmetrically arranged. The two clamping transmission belts 3 are sleeved on the pulleys 7 on both sides in parallel. The first clamping arm 4 and the second clamping arm 5 are connected to the two clamping transmission belts 3. The clamping transmission belts 3 are tensioned by the pulleys 7, so that the driving force generated when the first clamping arm 4 moves is stably transmitted to the clamping transmission belts 3, which further improves the operating stability of the equipment.

[0041] In some embodiments, the drive mounting bracket 1 includes a long mounting bracket 12, a connecting crossbeam 13, and a vertical fixing bracket 14. Two long mounting brackets 12 are symmetrically arranged, and the connecting crossbeam 13 is connected between the two long mounting brackets 12. The vertical fixing bracket 14 is vertically mounted on the upper end face of the connecting crossbeam 13, and two sliding guide rails 11 are arranged on the two long mounting brackets 12. There are two connecting crossbeams 13, and two vertical fixing brackets 14 are arranged on each connecting crossbeam 13. A buffer damping plate and a pressure sensor are arranged on the outward-facing side of the vertical fixing bracket 14. The pressure sensor is arranged between the buffer damping plate and the vertical fixing bracket 14. The buffer damping plate can be fixed by adhesive bonding, and the pressure sensor can be electrically connected to an external controller, which will not be described in detail here.

[0042] In some embodiments, the first clamping arm 4 and the second clamping arm 5 have the same structure. The first clamping arm 4 includes a drive crossbeam 41, a clamping vertical frame 42 and a clamping member 43. The drive crossbeam 41 is horizontally arranged on the drive mounting frame 1. The sliding member 6 is fixedly arranged on both sides of the drive crossbeam 41. The clamping vertical frame 42 is fixedly installed on the lower end face of the drive crossbeam 41 and the clamping member 43 is fixedly arranged on the clamping vertical frame 42.

[0043] In some embodiments, a fixing member 8 is provided on the first clamping arm 4 and the second clamping arm 5. The fixing member 8 includes a fixing base 81 and a fixing plate 82. A fixing groove is provided on the fixing base 81, and the clamping transmission belt 3 is located in the fixing groove. The fixing plate 82 is located in the fixing groove on the fixing base 81, and bolts press the fixing plate 82 onto the fixing base 81.

[0044] An automated production line includes the aforementioned cylinder-driven clamping device.

[0045] During equipment operation, the clamping device is moved to the desired material location by the drive unit. Then, the clamping cylinder 2 is activated, pushing the first clamping arm 4 towards the second clamping arm 5. Simultaneously, the first clamping arm 4 moves, driving the clamping conveyor belt 3, which in turn drives the second clamping arm 5 towards the first clamping arm 4. At this point, the first and second clamping arms move in opposite directions to clamp the material. Since the power source originates from the first clamping arm 4, the clamping force generated by the first and second clamping arms 5 is more uniform. After the material is moved to the designated position, the clamping cylinder 2 is controlled again, pushing the first clamping arm 4 away from the second clamping arm 5. Simultaneously, the first clamping arm 4 moves, driving the clamping conveyor belt 3, which in turn drives the second clamping arm 5 away from the first clamping arm 4. At this point, the first and second clamping arms move in opposite directions to release the material.

[0046] The embodiments of this disclosure have now been described in detail. To avoid obscuring the concept of this disclosure, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0047] While specific embodiments of this disclosure have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of this disclosure. Those skilled in the art should understand that modifications can be made to the above embodiments or equivalent substitutions can be made to some technical features without departing from the scope and spirit of this disclosure. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any manner.

Claims

1. A cylinder driven clamping device, characterized in that The device includes a drive mounting frame (1), a clamping cylinder (2), a clamping transmission belt (3), a first clamping arm (4), and a second clamping arm (5). The first clamping arm (4) and the second clamping arm (5) are symmetrically arranged on the drive mounting frame (1). The first clamping arm (4) and the second clamping arm (5) slide along the length direction of the drive mounting frame (1). The clamping cylinder (2) is fixedly arranged on the drive mounting frame (1). The output end of the clamping cylinder (2) is driven to the first clamping arm (4). The clamping transmission belt (3) is sleeved on the drive mounting frame (1) along the length direction. The clamping transmission belt (3) is tensioned on the drive mounting frame (1) to form two parallel drive segments (31). The first clamping arm (4) is driven to one of the drive segments (31) on the clamping transmission belt (3), and the second clamping arm (5) is driven to the other drive segment (31) on the clamping transmission belt (3).

2. The cylinder-driven gripping device according to claim 1, characterized in that Two clamping cylinders (2) are provided, and the two clamping cylinders (2) are respectively connected to the two sides of the first clamping arm (4).

3. The cylinder-driven gripping device according to claim 1, characterized in that The drive mounting bracket (1) is provided with a sliding guide rail (11) along its length. The first clamping arm (4) and the second clamping arm (5) are respectively provided with sliding members (6). The sliding members (6) are embedded in the sliding guide rail (11). The first clamping arm (4) and the second clamping arm (5) move along the sliding guide rail (11).

4. The cylinder-driven gripping device according to claim 3, characterized in that Two sliding guide rails (11) are arranged parallel to each other, and two mutually engaging sliding parts (6) are correspondingly arranged on the first clamping arm (4) and the second clamping arm (5).

5. The cylinder-driven gripping device according to claim 1, characterized in that The drive mounting bracket (1) has a pulley (7) rotatably mounted at both ends along its length, and the clamping transmission belt (3) is sleeved on the pulleys (7) on both sides.

6. The cylinder-driven gripping device according to claim 5, characterized in that Two clamping transmission belts (3) are provided. Two pulleys (7) are rotatably provided at both ends of the drive mounting frame (1) in the length direction. The two pulleys (7) on the same side are symmetrically arranged. The two clamping transmission belts (3) are sleeved on the pulleys (7) on both sides in parallel. The first clamping arm (4) and the second clamping arm (5) are connected to the two clamping transmission belts (3) in a transmission connection.

7. The cylinder-driven gripping device according to claim 4, characterized in that The drive mounting bracket (1) includes a long mounting bracket (12), a connecting crossbeam (13), and a vertical fixing bracket (14). Two long mounting brackets (12) are symmetrically arranged. The connecting crossbeam (13) is connected between the two long mounting brackets (12). The vertical fixing bracket (14) is vertically installed on the upper end face of the connecting crossbeam (13). Two sliding guide rails (11) are arranged on the two long mounting brackets (12).

8. The cylinder-driven gripping device according to claim 4, characterized in that The first clamping arm (4) and the second clamping arm (5) have the same structure. The first clamping arm (4) includes a drive crossbeam (41), a clamping vertical frame (42) and a clamping member (43). The drive crossbeam (41) is horizontally arranged on the drive mounting frame (1). The sliding member (6) is fixedly arranged on both sides of the drive crossbeam (41). The clamping vertical frame (42) is fixedly installed on the lower end face of the drive crossbeam (41). The clamping member (43) is fixedly arranged on the clamping vertical frame (42).

9. The cylinder-driven gripping device according to claim 1, characterized in that The first clamping arm (4) and the second clamping arm (5) are provided with a fixing member (8). The fixing member (8) includes a fixing base (81) and a fixing plate (82). The fixing base (81) is provided with a fixing groove. The clamping transmission belt (3) is located in the fixing groove. The fixing plate (82) is located in the fixing groove on the fixing base (81). Bolts press the fixing plate (82) onto the fixing base (81).

10. An automated production line, characterized in that, It includes a cylinder-driven clamping device according to any one of claims 1-9.