CN219664836U - Edge wrapping device - Google Patents

Abstract

This application provides a hemming device, which includes a hemming machine, a mechanical arm, a first detection device and a control device. The hemming machine is used to squeeze the end of the workpiece to form the hemming part. The hemming machine includes a power unit and an angle-pushing knife block. The power unit drives the pushing angle cutter block to move along the first direction to squeeze the end of the workpiece. The first detection device is used to detect the position of the angle-pushing blade. The first detection device is coupled to the control device to transmit signals. The control device is used to control the robot arm to place the workpiece on a tire mold and/or to remove the processed workpiece from a tire mold. In this application, the hemming machine and the robotic arm jointly complete the hemming action, which improves work efficiency.

Description

Hemming device

Technical field

The present application relates to the technical field of hemming forming, and in particular to a hemming device.

Background technique

Corner hemming usually uses roller hemming or manual hemming. The roller edges need to be rolled separately from both sides to the corners, and the corners need to be processed multiple times, which will cause quality defects such as wrinkles and piles, affecting the appearance quality. Artificial hemming is done by hand, so it is difficult to guarantee the hemming quality of the sharp corners. In addition, workpieces are prone to collisions during manual pick-and-place operations, leading to quality problems. The pick-and-place process takes a long time and the efficiency is low.

How to complete sharp corner hemming and pick-and-place workpieces efficiently and with high quality during automobile processing has become an important issue.

Utility model content

This application provides a hemming device with high working efficiency.

This application provides a hemming device, which includes: a hemming machine, a mechanical arm, a first detection device, and a control device. The hemming machine is used to squeeze the end of a workpiece to form a hemming portion. The hemming machine It includes a power unit and a push angle cutter block. The power unit drives the push angle cutter block to move in a first direction to squeeze the end of the workpiece. The first detection device is used to detect the position of the push angle cutter block. , the first detection device is coupled to the control device to transmit signals, and the control device is used to control the mechanical arm to place the workpiece on a tire mold and/or remove the processed workpiece from a tire mold. artifact.

Further, the hemming machine includes a first installation block and a second installation block. The second installation block is connected to the push angle knife block. Along the first direction, the first installation block is located on the In front of the second installation block, when the power device drives the second installation block to move in the first direction, the first installation block resists the second installation block to prevent the second installation block. Continued movement of the block in said first direction.

Further, one of the first installation block and the second installation block is provided with the first detection device, and the other is provided with a trigger part, and the power device drives the second installation block along the first When moving in one direction, the triggering part triggers the first detection device to send a signal to the control device.

Further, the hemming machine further includes a buffer member, which is provided on the first installation block and/or the second installation block for buffering the first installation block and the second installation block. Collisions between mounting blocks.

Further, the hemming machine includes a third installation block, the third installation block is connected to the output end of the power device, the second installation block and the push angle knife block are both connected to the third installation block. Install the block.

Further, the hemming machine includes a stopper and an adjustment shim. One end of the stopper is fixed to the push angle knife block, and the other end is fixed to the third installation block. The adjustment shim is located on the between the stopper and the push angle knife block.

Further, the hemming machine includes a guide rail, and the second mounting block is slidably disposed on the guide rail.

Further, the hemming machine includes a base, and the guide rail, the power device and the first mounting block are installed on the base.

Further, the angle-pushing knife block is provided with an inclined surface, and the angle-pushing knife block moves along the first direction so that the inclined surface is located above the end of the workpiece, and the angle-pushing knife block continues to move along the first direction. The first direction moves linearly, and the inclined surface presses the end of the workpiece to form the hemming portion.

Further, the hemming device includes a second detection device, the second detection device is used to detect the workpiece on the tire mold, the second detection device is coupled with the control device to transmit signals, so The control device is used to control the power device to drive the push angle cutter block to move in the first direction.

Compared with the existing technology, the beneficial effect of this application is that the hemming machine and the robotic arm jointly complete the hemming action, which improves work efficiency compared to manually picking and placing workpieces.

It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and do not limit this specification.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and together with the description, serve to explain the principles of the specification.

Figure 1 is a schematic diagram of the relationship between the hemming machine, the robotic arm, the control device, the first detection device and the second detection device in the hemming device of the present application.

Figure 2 is a perspective view of the hemming device of the present application assembled on the tire mold.

Fig. 3 is a schematic diagram of the hemming machine shown in Fig. 2 before hemming, in which only the corner-pushing blade, the tire mold and the workpiece of the hemming machine are shown.

Fig. 4 is a schematic diagram of the hemming machine shown in Fig. 2 after hemming, in which only the corner-pushing blade, the tire mold and the workpiece of the hemming machine are shown.

Figure 5 is a perspective view of the hemming machine of the present application.

FIG. 6 is a top view of the hemming machine shown in FIG. 5 .

FIG. 7 is a partial structural diagram of the hemming machine shown in FIG. 5 .

Explanation of reference numbers: workpiece, 1; end, 10; hemming part, 11; hemming machine, 2; power unit, 20; output end, 201; push angle knife block, 21; bevel, 211; first installation block, 22; second mounting block, 23; sliding block, 231; third mounting block, 24; first step surface, 241; second step surface, 242; mounting groove, 243; adjustment gasket, 25; stopper , 26; push block, 27; guide rail, 28; base, 29; fixed plate, 291; support plate, 292; connecting plate, 293; retaining plate, 294; mounting plate, 295; reinforcement plate, 296; robotic arm, 3 ; First detection device, 4; Control device, 5; Tire mold, 6; Second detection device, 7; Trigger part, 8.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this specification. Rather, they are merely examples of apparatus and methods consistent with certain aspects of this specification, as detailed in the appended claims.

The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the specification. As used in this specification and the appended claims, the singular forms "a," "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this specification to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this specification, the first information may also be called second information, and similarly, the second information may also be called first information. Depending on the context, the word "if" as used herein may be interpreted as "when" or "when" or "in response to determining."

Next, the embodiments of this specification will be described in detail.

Referring to FIGS. 1 to 4 , the hemming device according to the embodiment of the present application is used to bend the end 10 of the workpiece 1 to form the hemming portion 11 , that is, to hem the workpiece. The hemming device includes a hemming machine 2 , a robotic arm 3 , a first detection device 4 and a control device 5 . The hemming machine 2 is used to squeeze the end 10 of the workpiece 1 to form the hemming portion 11 . The hemming machine 2 includes a power unit 20 and an angle-pushing knife block 21 . The power unit 20 drives the pushing angle cutter block 21 to move along the first direction to squeeze the end 10 of the workpiece 1 . The first detection device 4 is used to detect the position of the angle-pushing blade block 21 . The first detection device 4 is coupled with the control device 5 to transmit signals. The control device 5 is used to control the robot arm 3 to place the workpiece 1 on a tire mold 6 and/or to remove the processed workpiece 1 from a tire mold 6 .

The hemming device picks up and places the workpiece 1 through the robotic arm 3, eliminating the need to manually pick and place the workpiece 1. It realizes automatic control of the hemming of the workpiece 1 and saves labor costs; at the same time, it solves the problem of low efficiency caused by manual picking and placing of the workpiece 1. ,Improve work efficiency.

The hemming device also includes a second detection device 7 . The second detection device 7 is used to detect the workpiece 1 on the tire mold 6 . The second detection device 7 is coupled to the control device 5 to transmit signals. The control device 5 is used to control the power device 20 to drive the push angle cutter block 21 to move in the first direction. When the second detection device 7 detects that the workpiece 1 has been placed on the tire mold 6, it sends a signal to the control device 5. The control device 5 controls the power device 20 to start to drive the push angle knife block 21 to move in the first direction. Workpiece 1 is hemmed. There is no need to manually switch the power device 20 on and off, thereby realizing automatic control of edge wrapping of the workpiece 1, saving labor costs; and at the same time, improving work efficiency.

Workpiece 1 can be any piece to be processed that requires hemming, for example, it can be a car door, etc. This application does not limit the type of workpiece 1.

The first detection device 4 and/or the second detection device 7 may be a pressure sensor, a photoelectric sensor, an infrared sensor, a camera, etc. This application does not limit the positions of the first detection device 4 and the second detection device 7 . For example, the first detection device 4 can be arranged on the hemming machine 2 , and the second detection device 7 can be arranged on the tire mold 6 .

The control device 5 may be a controller or an electronic device equipped with control software, such as a computer.

The power device 20 may be a device capable of providing power such as a cylinder, a motor, or a hydraulic press.

Referring to FIG. 2 , along the first direction, the tire mold 6 is located in front of the angle-pushing blade block 21 . After the workpiece 1 is placed on the tire mold 6, the tire mold 6 fixes the workpiece 1 to prevent the workpiece 1 from being displaced when the angle-pushing blade block 21 squeezes the edge of the workpiece 1, thereby affecting the hemming quality.

Referring to FIG. 3 and FIG. 4 , the push angle blade block 21 is provided with an inclined surface 211 . The angle-pushing blade 21 moves along the first direction, so that the inclined surface 211 is located above the end 10 of the workpiece 1 . The angle-pushing blade block 21 continues to move linearly in the first direction, and the inclined surface 211 presses the end 10 of the workpiece 1 to form the hemming portion 11 . The setting of the bevel 211 can accurately control the hemming angle of the hemming part 11 by controlling the stroke of the angle-pushing knife block 21 to ensure the hemming quality.

Referring to FIGS. 5 to 7 , the edge binding machine 2 includes a first installation block 22 and a second installation block 23 . The second mounting block 23 is connected to the push angle blade block 21 . Along the first direction, the first mounting block 22 is located in front of the second mounting block 23 . When the power device 20 drives the second mounting block 23 to move in the first direction, the first mounting block 22 resists the second mounting block 23 to prevent the second mounting block 23 from continuing to move in the first direction. The arrangement of the first mounting block 22 and the second mounting block 23 can accurately limit the stroke of the angle-pushing blade block 21 to ensure the quality of the hemming portion 11 .

The first mounting blocks 22 can be provided as a pair, respectively used to resist the two ends of the second mounting block 23 to increase the effectiveness of the resisting.

The edge binding machine also includes buffer parts (not shown). Buffers are provided on the first mounting block 22 and/or the second mounting block 23 to buffer the collision between the first mounting block 22 and the second mounting block 23 to protect the edge binding machine. Buffers play the role of buffering and reducing wear and shock. The material of the buffer block can be soft material such as polyurethane.

One of the first mounting block 22 and the second mounting block 23 is provided with the first detection device 4 , and the other is provided with the triggering part 8 . When the power device 20 drives the second mounting block 23 to move in the first direction, the triggering part 8 triggers the first detection device 4 to send a signal to the control device 5 . The first detection device 4 is provided on the first installation block 22 or the second installation block 23, so that the hemming machine 2 has a simple structure. Optionally, the first detection device 4 can also be disposed at other positions of the hemming machine 2 , as long as it can detect the position of the angle-pushing blade block 21 .

The edge binding machine includes a third mounting block 24 . The third mounting block 24 is connected to the output end 201 of the power device 20 . The second mounting block 23 and the push angle blade block 21 are both connected to the third mounting block 24 . When the power unit 20 drives the third mounting block 24 to move in the first direction, the third mounting block 24 drives the push angle knife block 21 and the second mounting block 23 to move in the first direction. The second installation block 23, the third installation block 24 and the push angle knife block 21 are arranged separately and then assembled and fixed together to facilitate processing and manufacturing. Optionally, the second mounting block 23, the third mounting block 24 and the push angle blade block 21 can also be integrally formed.

The third mounting block 24 is crimped to the second mounting block 23 . The third mounting block 24 and the second mounting block 23 may be fixed by screw locking or welding.

The third mounting block 24 is provided with a first step surface 241 and a second step surface 242 . The first step surface 241 is higher than the second step surface 242 . The push angle blade block 21 is located above the second step surface 242 and is fixed to the second step surface 242 . The top surface of the push angle blade block 21 is higher than the first step surface 241 .

Optionally, the edge binding machine 2 includes an adjustment shim 25 . The adjustment washer 25 is located between the push angle blade block 21 and the second step surface 242 . By replacing the adjustment shims 25 with different thicknesses or increasing or decreasing the thickness of the adjustment shims 25, the vertical position of the push angle cutter block 21 can be adjusted to suit different workpieces 1. There is no need to replace the push angle cutter block 21, thus saving costs.

The hemming machine 2 also includes a stopper 26 . One end of the stopper 26 is fixed to the push angle knife block 21 , and the other end is fixed to the third installation block 24 . An adjustment washer 25 is provided between the stopper 26 and the push angle blade block 21 . By replacing the adjusting shims 25 with different thicknesses or increasing or decreasing the thickness of the adjusting shims 25, the lateral position of the push angle cutter block 21 can be adjusted to suit different workpieces 1. There is no need to replace the push angle cutter block 21, thus saving costs.

Optionally, the push angle cutter block 21 and the second step surface 242 can be fixed by screws; the stopper 26 and the third installation block 24 can be fixed by screws; the stopper 26 and the second installation block 23 can be fixed by screws. can be fixed by screws to facilitate adjustment of the lateral position and vertical position of the push angle cutter block 21.

The edge binding machine 2 also includes a push block 27 . One end of the push block 27 is connected to the output end 201 of the power device 20 , and the other end is connected to the third mounting block 24 . A mounting slot 243 is provided at one end of the third mounting block 24 close to the power device 20 . The other end of the push block 27 is received in the installation groove 243 . The installation groove 243 and the push block 27 are both T-shaped, and the push block 27 is installed into the installation groove 243 from top to bottom in the vertical direction. The power device 20 drives the push block 27 to move in the first direction, and the push block 27 drives the third mounting block 24 to move in the first direction.

The arrangement of push block 27 facilitates processing and manufacturing. The push block 27 can also be provided integrally with the third mounting block 24 .

The edge binding machine 2 also includes guide rails 28 . The second mounting block 23 is slidably disposed on the guide rail 28 . The second mounting block 23 can be guided to move along the first direction to ensure the quality of the hemming. At the same time, compared with the suspended arrangement of the second mounting block 23, the load-bearing capacity of the output end 201 of the power device 20 can be reduced, and the load of the output end 201 can be extended. service life.

Optionally, the edge binding machine 2 includes a slide block 231 fixed to the bottom of the second mounting block 23 . The slider 231 is slidingly connected to the guide rail 28 .

The edge binding machine 2 also includes a base 29 . The guide rail 28, the power unit 20 and the first mounting block 22 are installed on the base 29. The base 29 is fixed to the tire mold 6, for example, by screw locking or other means. The base 29 may not be fixed to the tire mold 6, but may be located only on one side of the tire mold 6. It may be fixed to other devices, for example, the base 29 may be supported on the bottom surface, etc.

The base 29 includes a fixed plate 291, a supporting plate 292 located below the fixed plate 291, a connecting plate 293 located on one side of the supporting plate 292, a holding plate 294 located above the fixed plate 291, a mounting plate 295 fixed to the holding plate 294, and a connection Reinforcement plate 296 to the retaining plate 294 and the mounting plate 295. The mounting plate 295 and the connecting plate 293 are respectively located at both ends of the fixed plate 291 in the length direction. The support plate 292 is used to increase the strength of the fixing plate 291. The connecting plate 293 is fixed to the tire mold 6 . The guide rail 28 and the first mounting block 22 are mounted to the fixing plate 291 . Power unit 20 is secured to mounting plate 295 . The first direction is consistent with the length direction of the fixing plate 291 .

The reinforcing plate 296 is used to increase the strength of the mounting plate 295. Optionally, the holding plate 294 may not be provided, and the mounting plate 295 and the reinforcing plate 296 may be fixed to the fixing plate 291.

Optionally, the push angle knife block 21 may not move in a straight line. For example, it may be changed to non-linear movement through a lever mechanism, which is not limited in this application.

When the hemming device of the present application is used, the control device 5 controls the robotic arm 3 to place the workpiece 1 on the tire mold 6. After the second detection device 7 detects the workpiece 1, it sends a signal to the control device 5, and the control device 5 controls the power device 20 Start to drive the angle-pushing knife block 21 to move in the first direction to squeeze the end 10 of the workpiece 1. When the first detection device 4 detects that the position of the angle-pushing knife block 21 reaches the hemming completion position, it sends a signal to the control device 5 , the control device 5 controls the power unit 20 to drive the push angle knife block 21 to retreat, the control device 5 controls the robotic arm 3 to take away the processed workpiece 1, and controls the robotic arm 3 to place the next workpiece 1 to be processed on the tire mold 6 . This cycle is repeated to realize the automated hemming process, which improves the hemming efficiency; at the same time, it saves labor costs.

The hemming device of this application uses the hemming machine 2 for hemming, so that the sharp corners of the workpiece 1 are stressed at the same time. The hemming machine 2 evenly pushes the sharp corners of the workpiece 1 to the half-wrapped state. Therefore, compared with the roller In terms of edge and manual hemming, the hemming quality is better; at the same time, the hemming machine 2 and the robotic arm 3 jointly complete the hemming action, which improves work efficiency compared to using manual picking and placing of the workpiece 1.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application in any form. Although the present application has disclosed the above in preferred embodiments, it is not intended to limit the present application. Anyone familiar with the technology in this field will Personnel, without departing from the scope of the technical solution of the present application, may use the technical content disclosed above to make some changes or modifications to equivalent implementations with equivalent changes. However, any content that does not depart from the technical solution of the present application shall be based on the present Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the application still fall within the scope of the technical solution of the application.

Claims (10)

1. A hemming device, characterized in that it includes: a hemming machine, a mechanical arm, a first detection device and a control device; the hemming machine is used to squeeze the end of the workpiece to form a hemming portion; The edge wrapping machine includes a power device and an angle-pushing knife block. The power device drives the angle-pushing knife block to move in a first direction to squeeze the end of the workpiece. The first detection device is used to detect the angle-pushing knife. The position of the block, the first detection device is coupled to the control device to transmit signals, the control device is used to control the robotic arm to place the workpiece on a tire mold and/or remove it from a tire mold Processed workpiece. 2. The hemming device according to claim 1, wherein the hemming machine includes a first installation block and a second installation block, and the second installation block is connected to the push angle knife block, along the In the first direction, the first mounting block is located in front of the second mounting block. When the power device drives the second mounting block to move in the first direction, the first mounting block and the The second mounting block resists to prevent the second mounting block from continuing to move in the first direction. 3. The hemming device according to claim 2, wherein one of the first installation block and the second installation block is provided with the first detection device, and the other is provided with a trigger part, so When the power device drives the second installation block to move in the first direction, the triggering part triggers the first detection device to send a signal to the control device. 4. The hemming device according to claim 2, wherein the hemming machine further includes a buffer member, and the buffer member is provided on the first installation block and/or the second installation block to Used to buffer the collision between the first mounting block and the second mounting block. 5. The hemming device according to claim 2, wherein the hemming machine includes a third installation block, the third installation block is connected to the output end of the power device, and the second installation block and the push angle cutter block are connected to the third mounting block. 6. The hemming device according to claim 5, wherein the hemming machine includes a stopper and an adjustment shim, one end of the stopper is fixed to the push angle knife block, and the other end is fixed to the push angle knife block. As for the third installation block, the adjustment washer is located between the stop block and the push angle blade block. 7. The hemming device according to claim 2, wherein the hemming machine includes a guide rail, and the second mounting block is slidably disposed on the guide rail. 8. The hemming device according to claim 7, wherein the hemming machine includes a base, and the guide rail, the power device and the first mounting block are installed on the base. 9. The hemming device according to claim 1, wherein the angle-pushing knife block is provided with an inclined surface, and the angle-pushing knife block moves along the first direction so that the inclined surface is located on the workpiece. Above the end of the workpiece, the angle-pushing blade continues to move linearly along the first direction, and the bevel presses the end of the workpiece to form the hemming portion. 10. The hemming device according to any one of claims 1 to 9, characterized in that the hemming device includes a second detection device, and the second detection device is used to detect the workpiece on the tire mold. , the second detection device is coupled to the control device to transmit signals, and the control device is used to control the power device to drive the push angle knife block to move in the first direction.