Novel grabbing and placing structure of upper tool

Abstract

The utility model belongs to the technical field of photovoltaic assembly testing, and particularly relates to a novel grabbing and placing structure of an upper tool. Comprising a mounting profile, a mounting plate is fixed to the middle of the mounting profile, horizontal pushing air cylinders are fixedly mounted at the two ends of the mounting profile, tool clamping jaws are fixedly mounted at the bottoms of the horizontal pushing air cylinders, lifting air cylinders are movably connected to the output ends of the horizontal pushing air cylinders, and chuck clamping jaws are fixedly connected to the output ends of the lifting air cylinders. Compared with the prior art, the working efficiency is improved, the productivity of a photovoltaic module production line is further improved, and the service life of the testing tool is long.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic component testing, and in particular relates to a novel grabbing and placing structure of an upper tooling. Background Art

[0002] The IV and EL tests of photovoltaic modules are important bases for analyzing the power generation performance of photovoltaic modules. Before leaving the factory, photovoltaic modules need to undergo IV and EL tests to determine the power generation performance and power of photovoltaic modules. During the test, photovoltaic modules need to be connected to the test equipment through the test fixture. The elastic card connectors at both ends of the test fixture are fixed to the frame of the photovoltaic module. The wiring head of the junction box of the photovoltaic module is inserted into the socket of the test fixture. The positive and negative copper blocks in the test fixture are connected to the test equipment for IV curve and EL tests.

[0003] In the current photovoltaic module production line, a six-axis robot has been used to automatically install the test tooling into the photovoltaic module. The specific installation process is as follows: the six-axis robot grabs the middle part of the tooling and moves it to the top of the photovoltaic module; the six-axis robot slightly tilts the tooling so that the card connector at one end first contacts the frame on one side of the photovoltaic module, and applies thrust to compress the spring on that side of the tooling to shorten the tooling as a whole; the six-axis robot straightens the tooling and removes the thrust, and the spring resets so that the card connector on the other side of the tooling is connected to the frame on the other side of the photovoltaic module; the six-axis robot grabs the positive and negative terminal heads of the photovoltaic module junction box in turn and inserts them into the positive and negative terminal sockets of the test tooling to complete the automatic installation of the test tooling. The complete set of installation equipment includes a six-axis robot and a photovoltaic module conveying mechanism. The six-axis robot is installed on the side of the photovoltaic module conveying mechanism. The number of six-axis robots is one (it not only needs to perform the clamping and placement of the tooling, but also needs to perform the clamping and plugging of the positive and negative terminal heads one by one in sequence) or two (one performs the clamping and placement of the tooling, and simultaneously performs the clamping and plugging of one of the positive and negative terminal heads, and the other only needs to perform the clamping and plugging of the other of the positive and negative terminal heads).

[0004] The automatic installation method of the test jig of the above technical solution has the following disadvantages: 1. The action of the six-axis robot clamping the middle part of the test jig and applying thrust to place it at an angle may cause the test jig to deform, thereby shortening the service life of the test jig; 2. One gripper of the six-axis robot is responsible for grabbing the test jig, placing the test jig, and plugging in the wires. These work processes must be performed sequentially at a relatively slow speed, resulting in limited production capacity of the photovoltaic module production line.

[0005] Therefore, it is necessary to provide a new grasping and placing mechanism for a test fixture to solve the above problems. Summary of the invention

[0006] The purpose of the present utility model is to provide a grasping and placing structure for a new type of upper tooling to solve the problems existing in the prior art.

[0007] The technical solution adopted by the present utility model to solve its technical problems is as follows:

[0008] A grasping and placing structure for a new type of upper tooling, including an installation profile. An installation plate is fixed at the middle position of the installation profile. Push cylinders are fixedly installed at both ends of the installation profile. A tooling jaw is fixedly installed at the bottom of the push cylinder. The output end of the push cylinder is movably connected to a lifting cylinder, and the output end of the lifting cylinder is fixedly connected to a chuck jaw.

[0009] Further, the installation profile is a square structure with rounded corners. A plurality of chutes are provided on all four faces of the installation profile, and the mouths of the chutes are in a closed shape.

[0010] Further, the installation plate is in an L shape. A plurality of installation holes are provided on the installation plate. The installation plate is clamped on the chute of the installation profile through a bolt pair passing through the installation plate.

[0011] Further, first connection plates are bolted to both ends of the installation profile. The first connection plate is in an L-shaped structure. The vertical side of the L-shaped structure of the first connection plate is clamped on the chute of the installation profile through a bolt pair passing through the first connection plate. A plurality of countersunk holes and threaded holes are provided on the horizontal side of the L-shaped structure of the first connection plate.

[0012] Further, the push cylinder is bolted to the upper side of the horizontal side of the first connection plate through fixing bolts and threaded holes. The tooling jaw is bolted to the lower side of the horizontal side of the first connection plate through fixing bolts and countersunk holes.

[0013] Further, the output end of the push cylinder is fixedly connected to a second connection plate. Two strip-shaped grooves are provided on the second connection plate. A plurality of strip-shaped holes are provided on the second connection plate within the strip-shaped grooves. A pressure strip is arranged within the strip-shaped grooves. A plurality of fixing bolts are inserted through the pressure strip. The fixing bolts pass through the pressure strip and the strip-shaped holes and are threaded onto the lifting cylinder. An adjusting bolt is inserted through the second connection plate at the top of the strip-shaped groove. The threaded end of the adjusting bolt is threaded onto the top of the pressure strip. The push cylinder is movably connected to the lifting cylinder through the second connection plate, the pressure strip, the fixing bolts, and the adjusting bolt.

[0014] Further, the length of the pressure strip is less than the length of the strip-shaped groove.

[0015] Further, a third connection plate is fixed at the output end of the lifting cylinder. The chuck jaw is bolted to the bottom of the third connection plate.

[0016] Further, an anti-slip pad is installed at the clamping end of the tooling jaw.

[0017] The present utility model has the following beneficial effects:

[0018] 1. Compared with the prior art, the working efficiency of the present utility model is improved, thereby increasing the production capacity of the photovoltaic module production line, and the service life of the test tooling is long.

[0019] 2. When grasping the test tooling by two tooling jaws, the clamping parts are close to both ends of the test tooling. When placing the test tooling on the photovoltaic module, the moment arm is shorter. Compared with the prior art where the clamping parts are located in the middle of the test tooling, it will not cause deformation of the test tooling, thus extending the service life of the test tooling.

[0020] 3. The present utility model can sequentially clamp two test devices by two chuck jaws and then install them on the test tooling at the same time, thereby improving the working efficiency.

[0021] 4. When installing the test device, first clamp the test tooling with the tooling jaws. Therefore, the test device is easier to insert into the test tooling, and there will be no problem that it cannot be inserted tightly or the test tooling falls off due to the action of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic three-dimensional structure diagram of the present utility model.

[0023] Figure 2 is a schematic front structure diagram of the present utility model when installing the test tooling on the photovoltaic module.

[0024] Figure 3 is a schematic back structure diagram of the present utility model.

[0025] Figure 4 is a schematic connection structure diagram of the tooling jaws and the chuck jaws of the present utility model.

[0026] Figure 5 is a schematic connection structure diagram of the mounting plate and the mounting profile of the present utility model.

[0027] Figure 6 is a schematic connection structure diagram of the first connecting plate and the mounting profile of the present utility model.

[0028] Figure 7 is a schematic structure diagram of the first connecting plate of the present utility model.

[0029] Figure 8 is Figure 4 the internal structure schematic diagram at position A in

[0030] Wherein: 1. Installation profile; 2. Installation plate; 3. Push cylinder; 4. Tooling gripper; 5. Lifting cylinder; 6. Chuck gripper; 7. Chute; 8. Installation hole; 9. First connecting plate; 10. Bolt pair; 11. Countersunk hole; 12. Fixing bolt; 13. Second connecting plate; 14. Slot; 15. Stripping bar; 16. Adjusting bolt; 17. Third connecting plate; 18. Anti-slip pad; 19. Test tooling; 20. Test equipment; 21. Photovoltaic module; 22. Strip groove; 23. Threaded hole. Detailed implementation mode

[0031] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following further elaborates on the present utility model in detail in combination with specific embodiments and the attached drawings. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0032] Embodiment 1:

[0033] As Figures 1-8 shown, a grasping and placing structure of a new type of upper tooling includes an installation profile 1. An installation plate 2 is fixed at the middle position of the installation profile 1. Push cylinders 3 are fixedly installed at both ends of the installation profile 1. A tooling gripper 4 is fixedly installed at the bottom of the push cylinder 3. The output end of the push cylinder 3 is movably connected to a lifting cylinder 5, and the output end of the lifting cylinder 5 is fixedly connected to a chuck gripper 6. The action directions of the two push cylinders 3 are opposite, and the output ends of the two push cylinders 3 both face the outside of the installation profile 1.

[0034] The installation profile 1 is a square structure with rounded corners. A plurality of chutes 7 are provided on each of the four surfaces of the installation profile 1, and the mouths of the chutes 7 are in a closed shape. The chutes 7 can be clamped with a bolt pair 10, so as to fix the installation plate 2 and the first connecting plate 9 on the installation profile 1.

[0035] The installation plate 2 is in an L shape. A plurality of installation holes 8 are formed on the installation plate 2. The installation plate 2 is clamped on the chute 7 of the installation profile 1 through the bolt pair 10 passing through the installation plate 2. The installation holes 8 are used to bolt the present utility model to the output end of a six-axis robot.

[0036] The two ends of the installation profile 1 are bolted with a first connecting plate 9. The first connecting plate 9 is in an L-shaped structure. The vertical side of the L-shaped structure of the first connecting plate 9 is clamped on the chute 7 of the installation profile 1 through the bolt pair 10 passing through the first connecting plate 9. A plurality of countersunk holes 11 and threaded holes 23 are provided on the horizontal side of the L-shaped structure of the first connecting plate 9. The countersunk hole 11 is usually composed of a large hole and a small hole, and is a hole type with a T-shaped cross-section, which is commonly used in mechanical structures. It can hide the bolt head of the fixing bolt 12 in the large hole, and usually an internal hexagonal bolt is used.

[0037] The push cylinder 3 is bolted to the upper side of the horizontal edge of the first connecting plate 9 through the fixing bolts 12 and the threaded holes 23, and the tooling gripper 4 is bolted to the lower side of the horizontal edge of the first connecting plate 9 through the fixing bolts 12 and the counterbore holes 11. A cylinder is a commonly used mechanical device. For convenient installation, there are some through holes on the cylinder, and it can be installed by passing bolts through these holes.

[0038] The output end of the push cylinder 3 is fixedly connected with a second connecting plate 13. There are two strip-shaped grooves 22 opened on the second connecting plate 13. A number of strip-shaped holes 14 are opened on the second connecting plate 13 within the strip-shaped grooves 22. A pressure strip 15 is arranged within the strip-shaped grooves 22. A number of fixing bolts 12 are inserted through the pressure strip 15. After the fixing bolts 12 penetrate through the pressure strip 15 and the strip-shaped holes 14, they are screwed onto the lifting cylinder 5. An adjusting bolt 16 is inserted through the second connecting plate 13 at the top of the strip-shaped groove 22, and the bolt tail of the adjusting bolt 16 is screwed to the top of the pressure strip 15. The push cylinder 3 is movably connected with the lifting cylinder 5 through the second connecting plate 13, the pressure strip 15, the fixing bolts 12, and the adjusting bolt 16. The extension and retraction of the output end of the push cylinder 3 can drive the lifting cylinder 5 and the chuck gripper 6 to move.

[0039] The diameter of the test plug grasped by the chuck gripper 6 is relatively small, and the test plug needs to be inserted into the junction box of the photovoltaic module 21 tooling very precisely, otherwise the photovoltaic module 21 tooling will be damaged. However, errors are inevitable during the manufacturing of the various components of the present utility model. Therefore, first loosen the fixing bolts 12 on the pressure strip 15, then rotate the two adjusting bolts 16 at its top to make it rise or fall. After adjusting the position, tighten the fixing bolts 12, thereby fixing it within the strip-shaped groove 22. The height of the lifting cylinder 5 is controlled by the adjusting bolt 16, and the adjustment accuracy is higher.

[0040] The length of the pressure strip 15 is less than the length of the strip-shaped groove 22, which is used to leave enough adjustment space to make the height of the lifting cylinder 5 adjustable.

[0041] The output end of the lifting cylinder 5 is fixed with a third connecting plate 17, and the chuck gripper 6 is bolted to the bottom of the third connecting plate 17.

[0042] An anti-slip pad 18 is installed at the clamping end of the tooling gripper 4.

[0043] The working mode of this embodiment is as follows:

[0044] There are a six-axis robot, a photovoltaic module 21, and a vision recognition system on the photovoltaic module 21 production line. During use, the present utility model is bolted to the output end of the six-axis robot on the photovoltaic module 21 production line through the mounting plate 2. In the standby state, the lifting cylinder 5 is in the retracted state, and the push cylinder 3 is in the extended state, that is, the chuck gripper 6 is far from the tooling gripper 4 and the clamping end of the chuck gripper 6 is higher than the clamping end of the tooling gripper 4.

[0045] The six-axis robot is positioned through a vision recognition system, and moves two tooling grippers 4 to grasp the test tooling 19 (the clamping part is located on both sides of the two junction boxes of the test tooling 19). The six-axis robot clamps the test tooling 19 onto the photovoltaic module 21 by first tilting and then straightening, and then the two tooling grippers 4 release the test tooling 19. The six-axis robot moves the present utility model so that one chuck gripper 6 is located above a test device 20. The lifting cylinder 5 extends, and after the chuck gripper 6 clamps a test device 20, the lifting cylinder 5 retracts, thus completing the grasping work of one test device 20. After the two tooling grippers 4 are moved by the six-axis robot to clamp the test tooling 19, the same-side push cylinder 3 retracts, inserts the test device 20 onto the two junction boxes of the test tooling 19, and then the chuck gripper 6 and the tooling gripper 4 both release, and the lifting cylinder 5 retracts, thus completing the insertion of one test device 20. In the same way, another test equipment is inserted onto the other junction box of the test tooling 19, and the two push cylinders 3 extend, thus completing the automatic installation of the test tooling 19.

[0046] Embodiment 2: This embodiment provides a grasping and placing structure and its working method for a new upper tooling. The structural construction and working method are basically the same as those of the embodiment, except that: after the chuck gripper 6 clamps a test device 20, the lifting cylinder 5 retracts. In the same way, the other chuck gripper 6 grasps another test device 20. The two tooling grippers 4 are moved by the six-axis robot and clamp the test tooling 19, and the two push cylinders 3 retract, so as to insert the two test devices 20 onto the two junction boxes of the test tooling 19 at the same time. Then the two chuck grippers 6 and the tooling grippers 4 both release, and the two lifting cylinders 5 retract, and the two push cylinders 3 extend to complete the automatic installation of the test tooling 19.

[0047] Compared with the embodiment, instead of grasping and installing one test device 20 first and then grasping and installing another test device 20, two test devices 20 are grasped in sequence first and then the two test devices 20 are installed simultaneously, so the working efficiency is higher.

[0048] The working principle of the present utility model is:

[0049] The test tooling 19 is grasped by the two tooling grippers 4, the test device 20 is grasped by the chuck gripper 6, the horizontal movement of the chuck gripper 6 is realized by the push cylinder 3, and the vertical movement of the chuck gripper 6 is realized by the lifting cylinder 5. When installing the test device 20, if the test tooling 19 is not clamped by the tooling grippers 4 first, then when installing the test device 20, the spring on the test tooling 19 will contract with the insertion action, resulting in the shortening of the test tooling 19 following the movement. Not only will the problem that the test device 20 cannot be inserted tightly occur, but also the problem that the test tooling 19 falls off the photovoltaic module 21 will occur.

[0050] The diameter of the test plug grasped by the chuck jaw 6 is relatively small, and the test plug needs to be inserted into the junction box of the photovoltaic module 21 tooling very precisely, otherwise the photovoltaic module 21 tooling will be damaged. However, it is inevitable that there will be errors in the production of each component of the present utility model. Therefore, first loosen the fixing bolt 12 on the pressing strip 15, and then rotate the two adjusting bolts 16 at its top to make it rise or fall. After adjusting the position, tighten the fixing bolt 12 to fix it in the strip-shaped groove 22, and control the height of the lifting cylinder 5 through the adjusting bolt 16, with higher adjustment accuracy.

[0051] The embodiments described above are only descriptions of the preferred embodiments of the present utility model, and do not limit the concept and scope of the present utility model. Without departing from the design concept of the present utility model, various variations and improvements made by those of ordinary skill in the art to the technical solution of the present utility model should all fall within the protection scope of the present utility model.

[0052] The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.

Claims

1. A grasping and placing structure of a new type of upper tooling, characterized in that, It includes an installation profile, with an installation plate fixed at the middle position of the installation profile. At both ends of the installation profile, flat push cylinders are fixedly installed. At the bottom of each flat push cylinder, a tooling gripper is fixedly installed. The output end of the flat push cylinder is movably connected to a lifting cylinder, and the output end of the lifting cylinder is fixedly connected to a chuck gripper.

2. The grasping and placing structure of the new upper tooling according to claim 1, characterized in that, The installation profile is a square structure with rounded corners. A number of chutes are provided on each of the four faces of the installation profile, and the mouths of the chutes are of a converging shape.

3. The grasping and placing structure of the novel upper tooling according to claim 2, characterized in that, The installation plate is L-shaped, and a number of installation holes are provided on the installation plate. The installation plate is clamped on the chute of the installation profile by a bolt pair passing through the installation plate.

4. The grasping and placing structure of the new upper tooling according to claim 1, characterized in that, At both ends of the installation profile, a first connecting plate is bolted. The first connecting plate is of an L-shaped structure. The vertical side of the L-shaped structure of the first connecting plate is clamped on the chute of the installation profile by a bolt pair passing through the first connecting plate. A number of counterbore holes and threaded holes are provided on the horizontal side of the L-shaped structure of the first connecting plate.

5. The grasping and placing structure of the novel upper tooling according to claim 4, characterized in that, The flat push cylinder is bolted to the upper side of the horizontal side of the first connecting plate through fixing bolts and threaded holes, and the tooling gripper is bolted to the lower side of the horizontal side of the first connecting plate through fixing bolts and counterbore holes.

6. The grasping and placing structure of the new upper tooling according to claim 1, characterized in that, The output end of the flat push cylinder is fixedly connected to a second connecting plate. Two strip-shaped grooves are provided on the second connecting plate. A number of strip-shaped holes are provided on the second connecting plate within the strip-shaped grooves. A pressing strip is arranged within the strip-shaped grooves. A number of fixing bolts are passed through the pressing strip. The fixing bolts pass through the pressing strip and the strip-shaped holes and are then threaded onto the lifting cylinder. An adjusting bolt is passed through the second connecting plate at the top of the strip-shaped groove, and the bolt tail of the adjusting bolt is threaded onto the top of the pressing strip. The flat push cylinder is movably connected to the lifting cylinder through the second connecting plate, the pressing strip, the fixing bolts, and the adjusting bolts.

7. The grasping and placing structure of the new upper tooling according to claim 6, characterized in that, The length of the pressing strip is less than the length of the strip-shaped groove.

8. The grasping and placing structure of the new upper tooling according to claim 1, characterized in that, The output end of the lifting cylinder is fixed with a third connecting plate, and the chuck gripper is bolted to the bottom of the third connecting plate.

9. The grasping and placing structure of the new upper tooling according to claim 1, characterized in that, An anti-slip pad is installed at the clamping end of the tooling gripper.

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