A fixture for heavy-load industrial robots

Abstract

The utility model relates to the field of clamps, and specifically to a clamp for a heavy-duty industrial robot, including a clamp connector, a crossbeam, a longitudinal frame, a longitudinal frame connector, a mounting rod and a mounting rod connector, wherein the clamp connector is used to connect a robot arm, the crossbeam is arranged below the clamp connector, the longitudinal frame is connected to the end of the crossbeam away from the clamp connector through the longitudinal frame connector, the mounting rod is connected to the end of the longitudinal frame away from the crossbeam through the mounting rod connector, and a plurality of suction cups are arranged on the mounting rod; the longitudinal frame can slide along the axis direction of the crossbeam, and the mounting rod can slide along the axis direction of the longitudinal frame. The heavy-duty industrial robot clamp of the utility model realizes the high adjustability of the suction cup layout, so that the clamping strategy can be accurately adjusted according to the size, shape and surface conditions of different workpieces, ensuring efficient and reliable grasping and handling in automated production lines or mechanical operations.

Description

Technical Field

[0001] The utility model relates to the field of clamps, in particular to a clamp for a heavy-load industrial robot. Background Art

[0002] In the field of modern industrial automation, industrial robots are increasingly used, especially in heavy-load handling, precision assembly and other links. High-efficiency and high-precision fixtures are one of the key factors to ensure the smooth progress of the production process. However, the existing fixture technology has the following limitations: 1. Traditional fixture designs are often targeted at workpieces of specific types or sizes, with limited adjustment ranges, and are difficult to adapt to the rapid switching of different workpieces, which leads to reduced production flexibility and increased line change time and costs; 2. In heavy-load handling scenarios, precise workpiece positioning and adjustable clamping force are two important aspects to ensure operational safety and product quality. Existing fixtures often sacrifice positioning flexibility and accuracy while providing sufficient clamping force. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects and shortcomings of the prior art and to provide a clamp for a heavy-load industrial robot, which realizes the high adjustability of the suction cup layout, so that the clamping strategy can be accurately adjusted according to the size, shape and surface conditions of different workpieces, thereby ensuring efficient and reliable grasping and handling in automated production lines or mechanical operations.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A clamp for a heavy-load industrial robot comprises a clamp connector, a crossbeam, a longitudinal frame, a longitudinal frame connector, a mounting rod and a mounting rod connector. The clamp connector is used to connect a robot arm. The crossbeam is arranged below the clamp connector. The longitudinal frame is connected to the end of the crossbeam away from the clamp connector via the longitudinal frame connector. The mounting rod is connected to the end of the longitudinal frame away from the crossbeam via the mounting rod connector. A plurality of suction cups are arranged on the mounting rod. The longitudinal frame can slide along the axis direction of the crossbeam, and the mounting rod can slide along the axis direction of the longitudinal frame.

[0006] As a preference, the crossbeam comprises a first crossbeam and a second crossbeam, one end of the second crossbeam is slidably connected to the first crossbeam, and the other end is fixedly connected to the longitudinal frame connecting member, and the longitudinal frame connecting member slides along the axial direction of the first crossbeam through the second crossbeam.

[0007] As a preferred embodiment, the beam also includes a beam locking structure for limiting the relative movement of the first beam and the second beam, and the beam locking structure includes beam positioning holes arranged on the first beam and the second beam, and beam locking members arranged on the first beam and the second beam and cooperating with the beam positioning holes.

[0008] As a preference, the longitudinal frame comprises a first longitudinal frame and a second longitudinal frame, one end of the second longitudinal frame is slidably connected to the first longitudinal frame, and the other end is fixedly connected to the mounting rod connecting piece, and the mounting rod connecting piece slides along the axial direction of the first longitudinal frame through the second longitudinal frame.

[0009] As a preference, the longitudinal frame also includes a longitudinal frame locking structure for limiting the relative movement of the first longitudinal frame and the second longitudinal frame, the longitudinal frame locking structure including longitudinal frame positioning holes arranged on the first longitudinal frame and the second longitudinal frame, and longitudinal frame locking pieces arranged on the first longitudinal frame and the second longitudinal frame and cooperating with the longitudinal frame positioning holes.

[0010] As a preferred embodiment, the mounting rod is slidably mounted on the end of the mounting rod connecting member away from the longitudinal frame, and the mounting rod can slide along the axial direction of the mounting rod; it also includes a mounting rod adjustment groove, a mounting rod positioning hole and a mounting rod locking piece, the mounting rod adjustment groove is arranged on the mounting rod and extends along the axial direction of the mounting rod, a plurality of mounting rod positioning holes are arranged on the mounting rod connecting member and correspond to the positions of the mounting rod adjustment grooves, and the mounting rod locking piece passes through the mounting rod positioning hole and is locked with the mounting rod adjustment groove.

[0011] As a preferred embodiment, the clamp for heavy-load industrial robots also includes a suction cup connecting piece, a suction cup mounting hole and a suction cup locking piece. The suction cup mounting hole is arranged on the suction cup connecting piece and corresponds to the position of the mounting rod adjustment slot. The suction cup locking piece passes through the suction cup mounting hole and is locked with the mounting rod adjustment slot. The suction cup can slide along the axial direction of the mounting rod.

[0012] As a preferred embodiment, the clamp for the heavy-load industrial robot further comprises a center frame, which is arranged at the middle section of the crossbeam, and mounting rods are arranged at both the front and rear ends of the center frame, and a plurality of suction cups are arranged on the mounting rods.

[0013] As a preferred embodiment, the fixture for a heavy-load industrial robot comprises a crossbeam and two longitudinal frames, wherein the crossbeam and the two longitudinal frames are arranged in an I-shape, and a mounting rod is arranged at the end of each longitudinal frame.

[0014] As a preferred embodiment, the connecting member is a flange, and the connecting member is detachably connected to the crossbeam.

[0015] In general, the utility model has the following advantages:

[0016] 1. Height adjustability. Through the multi-level sliding and locking mechanism of the crossbeam, longitudinal frame and mounting rod, the heavy-duty industrial robot fixture can adapt to workpieces of different sizes and shapes. Users can easily adjust the position and layout of the suction cups as needed to achieve accurate positioning and grasping of the workpiece, greatly improving the versatility and flexibility of the heavy-duty industrial robot fixture.

[0017] 2. Accurate clamping force control. The adjustment slot, positioning hole and locking part design on the mounting rod, as well as the coordination with the suction cup connector, make the position adjustment of the suction cup more precise, so as to optimize the clamping force distribution according to the surface characteristics of the workpiece and the grasping requirements, which not only avoids damage to the workpiece, but also ensures sufficient grasping force.

[0018] 3. The flexibility of the suction cup layout. The suction cup can not only slide and adjust with the mounting rod, but also slide along the axial direction of the mounting rod through the clever cooperation of the suction cup connector and the mounting rod adjustment slot, thereby achieving a freer layout adjustment. When facing different loads, it can be adjusted and fixed quickly and accurately, which is suitable for a variety of complex grasping scenarios and improves the adaptability and efficiency of automated operations.

[0019] 4. The stable structural design adopts an I-shaped structure and integrated or welded longitudinal frame connectors and mounting rod connectors to ensure the stability and durability of the heavy-load industrial robot fixture during operation. The locking structure on the crossbeam and longitudinal frame (including the crossbeam locking structure and the longitudinal frame locking structure) achieves reliable fixation between components through the cooperation of positioning holes and locking parts, avoids loosening during sliding, and ensures the safety of operation.

[0020] 5. Enhanced structural rigidity and stability. The addition of the center frame not only provides additional clamping force for the mounting rod, but also enhances the rigidity of the entire heavy-load industrial robot fixture system, especially when handling large-size or heavy-load workpieces, which can effectively prevent deformation and ensure the accuracy of the operation.

[0021] 6. Easy to install and maintain. The connecting parts are in the form of flanges, which are detachably connected to the crossbeams through bolts and nuts. This facilitates the rapid installation, disassembly and maintenance of fixtures for heavy-load industrial robots, reduces equipment downtime and improves production efficiency. The flange that matches the robot can also be replaced according to the model of the specific industrial robot to achieve matching of different industrial robots. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a fixture for a heavy-load industrial robot of the utility model;

[0023] Figure 2 It is an exploded schematic diagram of the crossbeam of the utility model;

[0024] Figure 3 It is an exploded schematic diagram of the longitudinal frame of the utility model;

[0025] Figure 4 It is an exploded schematic diagram of the mounting rod and the mounting rod connecting member of the utility model;

[0026] Figure 5It is a structural schematic diagram of the installation rod of the utility model;

[0027] Figure 6 It is a structural schematic diagram of the suction cup connector of the utility model;

[0028] Among them: 1: clamp connector, 2: crossbeam, 2-1: first crossbeam, 2-2: second crossbeam, 3: vertical frame, 3-1: first vertical frame, 3-2: second vertical frame, 4: vertical frame connector, 5: mounting rod, 5-1: mounting rod adjustment slot, 6: mounting rod connector, 6-1: mounting rod positioning hole, 7: suction cup, 8: mounting rod locking piece, 8-1: bolt, 8-2: nut, 9: suction cup connector, 9-1: suction cup mounting hole, 10: suction cup locking piece, 11: center frame DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] like Figure 1 As shown, a clamp for a heavy-load industrial robot includes a clamp connector, a crossbeam, a longitudinal frame, a longitudinal frame connector, a mounting rod and a mounting rod connector. The clamp connector is used to connect a robot arm. The crossbeam is arranged below the clamp connector. The longitudinal frame is connected to the end of the crossbeam away from the clamp connector through the longitudinal frame connector. The mounting rod is connected to the end of the longitudinal frame away from the crossbeam through the mounting rod connector. A plurality of suction cups are arranged on the mounting rod. The longitudinal frame can slide along the axial direction of the crossbeam, and the mounting rod can slide along the axial direction of the longitudinal frame.

[0031] The suction cup is a heavy-duty vacuum suction cup, which is connected to the vacuum suction cup pneumatic control system through an air circuit to provide sufficient clamping force for large and heavy workpieces.

[0032] The heavy-duty industrial robot clamp forms a flexible frame through a slidable crossbeam and a slidable longitudinal frame, wherein the clamp connector is installed on the crossbeam to connect with the robot arm, and the suction cup is installed on the mounting rod to directly contact and grasp the workpiece.

[0033] like Figure 2 As shown, the crossbeam includes a first crossbeam and a second crossbeam, one end of the second crossbeam is slidably connected to the first crossbeam, and the other end is fixedly connected to the longitudinal frame connecting member, and the longitudinal frame connecting member slides along the axis direction of the first crossbeam through the second crossbeam. The second crossbeam slides on the first crossbeam, and the longitudinal frame is arranged on the second crossbeam through the longitudinal frame connecting member. The longitudinal frame moves on the first crossbeam following the second crossbeam, thereby realizing the position adjustment of the longitudinal frame in the left and right directions.

[0034] The crossbeam further includes a crossbeam locking structure for limiting the relative movement of the first crossbeam and the second crossbeam, and the crossbeam locking structure includes crossbeam positioning holes arranged on the first crossbeam and the second crossbeam, and crossbeam locking members arranged on the first crossbeam and the second crossbeam and cooperating with the crossbeam positioning holes. The crossbeam positioning holes include a first crossbeam positioning hole and a second crossbeam positioning hole, a plurality of first crossbeam positioning holes are arranged on the first crossbeam and are evenly distributed along the axis direction of the first crossbeam, a plurality of second crossbeam positioning holes are arranged on the second crossbeam and are evenly distributed along the axis direction of the second crossbeam, and the second crossbeam positioning holes correspond to the positions of the first crossbeam positioning holes. The crossbeam locking member passes through the first crossbeam positioning hole and the second crossbeam positioning hole to lock the first crossbeam positioning hole with the second crossbeam positioning hole. Through the crossbeam locking structure, the second crossbeam can be firmly locked after being adjusted to the desired position, ensuring stability during use. The plurality of crossbeam positioning holes cooperate with the corresponding crossbeam locking members to provide a multi-point fixing option. The beam locking member is a bolt and a nut. The bolt is manually passed through the first beam positioning hole and the second beam positioning hole and then fastened with the nut to achieve locking between the first beam and the second beam.

[0035] The longitudinal frame connecting member includes a first longitudinal frame connecting part and a second longitudinal frame connecting part. One end of the first longitudinal frame connecting part is sleeved on the end of the second cross beam and fastened to the second cross beam by bolts and nuts, and the other end is fixedly connected to the second longitudinal frame connecting part. The first longitudinal frame connecting part and the second longitudinal frame connecting part are an integrally formed structure or are fixed by welding.

[0036] like Figure 3 As shown, the longitudinal frame includes a first longitudinal frame and a second longitudinal frame, one end of the second longitudinal frame is slidably connected to the first longitudinal frame, and the other end is fixedly connected to the mounting rod connecting piece, and the mounting rod connecting piece slides along the axis direction of the first longitudinal frame through the second longitudinal frame. The second longitudinal frame connecting part is sleeved on the outer side of the first longitudinal frame. The second longitudinal frame slides on the first longitudinal frame, and the mounting rod is set on the second longitudinal frame through the mounting rod connecting piece. The mounting rod moves on the first longitudinal frame following the second longitudinal frame, so that the position adjustment of the mounting rod in the front-back direction is realized.

[0037] The longitudinal frame also includes a longitudinal frame locking structure for limiting the relative movement of the first longitudinal frame and the second longitudinal frame, and the longitudinal frame locking structure includes longitudinal frame positioning holes arranged on the first longitudinal frame and the second longitudinal frame, and longitudinal frame locking members arranged on the first longitudinal frame and the second longitudinal frame and cooperating with the longitudinal frame positioning holes. The longitudinal frame positioning holes include a first longitudinal frame positioning hole and a second longitudinal frame positioning hole, a plurality of first longitudinal frame positioning holes are arranged on the first longitudinal frame and are evenly distributed along the axis direction of the first longitudinal frame, a plurality of second longitudinal frame positioning holes are arranged on the second longitudinal frame and are evenly distributed along the axis direction of the second longitudinal frame, and the second longitudinal frame positioning holes correspond to the positions of the first longitudinal frame positioning holes. The longitudinal frame locking member passes through the first longitudinal frame positioning hole and the second longitudinal frame positioning hole to lock the first longitudinal frame positioning hole with the second longitudinal frame positioning hole. Through the longitudinal frame locking structure, the second longitudinal frame can be firmly locked after being adjusted to the desired position to ensure stability during use. The plurality of longitudinal frame positioning holes cooperate with the corresponding longitudinal frame locking members to provide a multi-point fixing option. The longitudinal frame locking member is a bolt and a nut. The bolt is manually passed through the first longitudinal frame positioning hole and the second longitudinal frame positioning hole and then fastened with the nut to achieve locking between the first longitudinal frame and the second longitudinal frame.

[0038] The mounting rod connecting member includes a first mounting rod connecting part and a second mounting rod connecting part, one end of the first mounting rod connecting part is sleeved on the end of the second longitudinal frame and fastened to the second longitudinal frame by bolts and nuts, and the other end is fixedly connected to the second mounting rod connecting part, the first mounting rod connecting part and the second mounting rod connecting part are an integrally formed structure or fixed by welding. The second mounting rod connecting part is sleeved on the outside of the mounting rod.

[0039] like Figure 4 As shown, the mounting rod is slidably mounted on the end of the mounting rod connecting member away from the longitudinal frame, and the mounting rod can slide along the axis direction of the mounting rod. The mounting rod slides in the second mounting rod connecting part, further refining the position adjustment of the mounting rod in the left and right directions.

[0040] The fixture for the heavy-duty industrial robot also includes a mounting rod adjustment groove, a mounting rod positioning hole and a mounting rod locking piece. The mounting rod adjustment groove is arranged on the mounting rod and extends along the axial direction of the mounting rod. A plurality of mounting rod positioning holes are arranged on the mounting rod connecting piece and correspond to the position of the mounting rod adjustment groove. The mounting rod locking piece passes through the mounting rod positioning hole and locks with the mounting rod adjustment groove. The four mounting rod positioning holes are evenly distributed on the outer end surface of the second mounting rod connecting part. Through the mounting rod adjustment groove, the mounting rod positioning hole and the mounting rod locking piece, the mounting rod can be firmly locked after being adjusted to the desired position to ensure stability during use. The mounting rod adjustment groove cooperates with the mounting rod locking piece to provide a multi-point fixing option. The mounting rod locking piece selects bolts and nuts, and the bolts are manually passed through the mounting rod positioning hole and tightened with the nuts (the nuts are embedded in the mounting rod adjustment groove) arranged in the mounting rod adjustment groove to achieve locking between the mounting rod and the mounting rod connecting piece.

[0041] like Figure 5 and Figure 6 As shown, the fixture for heavy-duty industrial robots also includes a suction cup connector, a suction cup mounting hole and a suction cup locking member. The suction cup mounting hole is arranged on the suction cup connector and corresponds to the position of the mounting rod adjustment slot. The suction cup locking member passes through the suction cup mounting hole and locks with the mounting rod adjustment slot, and the suction cup can slide along the axis direction of the mounting rod. The suction cup connector is a triangular angle iron. The suction cup slides on the mounting rod through the suction cup connector, further refining the position adjustment of the suction cup in the left and right directions. Through the mounting rod adjustment slot and the suction cup locking member, the suction cup connector can be firmly locked after being adjusted to the desired position to ensure stability during use. The suction cup is installed on the mounting rod, and can slide and lock along the mounting rod adjustment slot through the suction cup connector, so as to realize flexible adjustment of the suction cup spacing and layout. This design allows the user to optimize the suction cup layout according to the specific needs of the workpiece, so as to apply a balanced or targeted clamping force at different contact points, thereby improving the stability and efficiency of grasping. The suction cup locking member is a bolt and a nut, which are manually passed through the suction cup mounting hole and fastened with a nut (the nut is embedded in the mounting rod adjusting groove) in order to achieve locking between the suction cup connector and the mounting rod.

[0042] The heavy-duty industrial robot fixture also includes a center frame, which is arranged in the middle section of the crossbeam, and a mounting rod is arranged at both the front and rear ends of the center frame, and a plurality of suction cups are arranged on the mounting rod. In this embodiment, the mounting rod is fixedly connected to the end of the center frame. The center frame is located in the middle section of the crossbeam, and the mounting rods are connected at both ends, which not only enhances the rigidity of the overall structure, but also provides additional clamping points for the workpiece, especially when handling larger or special-shaped workpieces.

[0043] The clamp for a heavy-load industrial robot comprises a crossbeam and two longitudinal frames, wherein the crossbeam and the two longitudinal frames are arranged in an I-shape, and a mounting rod is arranged at the end of each longitudinal frame.

[0044] The connecting piece is a flange, and the connecting piece is detachably connected to the crossbeam. In this embodiment, the connecting piece is fastened to the top of the crossbeam by bolts and nuts. The flange is used as a connecting piece, and is detachably connected to the crossbeam by bolts and nuts, which facilitates the installation and maintenance of the heavy-load industrial robot fixture, and also facilitates the rapid connection of the heavy-load industrial robot fixture with the mechanical arm.

[0045] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A fixture for a heavy-duty industrial robot, characterized in that: It includes a clamp connector, a crossbeam, a longitudinal frame, a longitudinal frame connector, a mounting rod and a mounting rod connector. The clamp connector is used to connect the robot arm. The crossbeam is arranged below the clamp connector. The longitudinal frame is connected to the end of the crossbeam away from the clamp connector through the longitudinal frame connector. The mounting rod is connected to the end of the longitudinal frame away from the crossbeam through the mounting rod connector. A plurality of suction cups are arranged on the mounting rod. The longitudinal frame can slide along the axial direction of the crossbeam, and the mounting rod can slide along the axial direction of the longitudinal frame.

2. A heavy-load industrial robot fixture according to claim 1, characterized in that: The cross beam comprises a first cross beam and a second cross beam, one end of the second cross beam is slidably connected to the first cross beam, and the other end is fixedly connected to the longitudinal frame connecting member, and the longitudinal frame connecting member slides along the axial direction of the first cross beam through the second cross beam.

3. A heavy-load industrial robot fixture according to claim 2, characterized in that: The crossbeam also includes a crossbeam locking structure for limiting the relative movement of the first crossbeam and the second crossbeam. The crossbeam locking structure includes crossbeam positioning holes arranged on the first crossbeam and the second crossbeam, and crossbeam locking pieces arranged on the first crossbeam and the second crossbeam and cooperating with the crossbeam positioning holes.

4. The heavy-load industrial robot fixture according to claim 1, characterized in that: The longitudinal frame comprises a first longitudinal frame and a second longitudinal frame. One end of the second longitudinal frame is slidably connected to the first longitudinal frame, and the other end is fixedly connected to the mounting rod connecting piece. The mounting rod connecting piece slides along the axis direction of the first longitudinal frame through the second longitudinal frame.

5. A heavy-load industrial robot fixture according to claim 4, characterized in that: The longitudinal frame also includes a longitudinal frame locking structure for limiting the relative movement of the first longitudinal frame and the second longitudinal frame. The longitudinal frame locking structure includes longitudinal frame positioning holes arranged on the first longitudinal frame and the second longitudinal frame, and longitudinal frame locking pieces arranged on the first longitudinal frame and the second longitudinal frame and cooperating with the longitudinal frame positioning holes.

6. The heavy-load industrial robot fixture according to claim 1, characterized in that: The mounting rod is slidably installed at one end of the mounting rod connecting member away from the longitudinal frame, and the mounting rod can slide along the axial direction of the mounting rod; it also includes a mounting rod adjustment groove, a mounting rod positioning hole and a mounting rod locking piece. The mounting rod adjustment groove is arranged on the mounting rod and extends along the axial direction of the mounting rod. Multiple mounting rod positioning holes are arranged on the mounting rod connecting member and correspond to the positions of the mounting rod adjustment grooves. The mounting rod locking piece passes through the mounting rod positioning hole and is locked with the mounting rod adjustment groove.

7. A heavy-load industrial robot fixture according to claim 6, characterized in that: The clamp for heavy-load industrial robots also includes a suction cup connector, a suction cup mounting hole and a suction cup locking piece. The suction cup mounting hole is arranged on the suction cup connector and corresponds to the position of the mounting rod adjustment slot. The suction cup locking piece passes through the suction cup mounting hole and is locked with the mounting rod adjustment slot. The suction cup can slide along the axial direction of the mounting rod.

8. The heavy-load industrial robot fixture according to claim 7, characterized in that: The fixture for the heavy-load industrial robot also includes a center frame, which is arranged at the middle section of the crossbeam. Both the front and rear ends of the center frame are provided with mounting rods, and a plurality of suction cups are arranged on the mounting rods.

9. The heavy-load industrial robot fixture according to claim 1, characterized in that: The clamp for a heavy-load industrial robot comprises a crossbeam and two longitudinal frames, wherein the crossbeam and the two longitudinal frames are arranged in an I-shape, and a mounting rod is arranged at the end of each longitudinal frame.

10. The heavy-load industrial robot fixture according to claim 1, characterized in that: The connecting piece is a flange plate, and the connecting piece and the crossbeam are detachably connected.

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