Load detection mechanism for mechanical arm of industrial robot

Abstract

The utility model discloses an industrial robot mechanical arm load detection mechanism which comprises a carrying table, a stand column, a load frame, a pressing wheel, a load heavy block, a linear sliding rail, a sliding block, an electric cylinder, a hanging plate and a hanging hook, the carrying table is fixedly installed on the stand column, the stand column is fixedly installed on the ground of a detection workshop, and the carrying table is provided with a detection channel. A first boss and a second boss are arranged on the upper portion and the lower portion of the inner wall of the detection channel, and the linear sliding rail is fixedly installed on the first boss. The detection mechanism is suitable for detecting the load of the industrial robot trolley with a non-floating supporting structure, has the advantage of convenience in load loading and removing operation, is convenient for the load frame and the load weight to move on the carrying table by arranging the pressing wheels, is convenient for the industrial robot trolley to load after being positioned at the end part of the carrying table, and is high in detection efficiency. Under the supporting effect of the second boss on the pressing wheel, the load frame and the load weight cannot topple and fall off in the using process, and the advantage of being high in using safety is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial robot technical field, especially relate to a kind of industrial robot mechanical arm load detection mechanism. BACKGROUND

[0002] Carrying is a link of warehouse logistics process, carrying uses industrial robot machine trolley to replace manpower loading and carrying, with the advantages of carrying speed and transfer accuracy rate are high.Currently, when detecting the industrial robot machine trolley, for the industrial robot machine trolley load detection with floating support structure, the tray of industrial robot machine trolley load detection is directly lifted after being placed on the ground of workshop, and then running detection is carried out.For the industrial robot machine trolley load detection without floating support structure, load is placed on the industrial robot machine trolley for load detection by artificial or with the help of truss hanging mechanism, since the load gravity is large, there are dangerous objects when lifting and starting load with the help of truss hanging mechanism frequently, and there is no protective measure when the industrial robot machine trolley load runs detection, and there is a risk of falling when the load is detected with the industrial robot machine trolley. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a kind of mechanism for the load detection of industrial robot machine trolley without floating support structure, to ensure the safety of loading, removing load and load detection process.

[0004] In order to solve the above technical problem, the present application is realized by the following technical scheme: a kind of industrial robot mechanical arm load detection mechanism, including platform, stand, load frame, press wheel, load weight, linear slide rail, slider, electric cylinder, hanger plate and lifting hook, the platform is fixedly installed on stand, the stand is fixedly installed on the ground of detection workshop, the platform is provided with detection channel, the inner wall of detection channel is provided with first boss and second boss on upper and lower parts, the linear slide rail is fixedly installed on first boss, two sliders are slidably installed on two linear slide rails, the cylinder body of electric cylinder is fixedly installed on two sliders, the hanger plate is fixedly installed on the execution rod of electric cylinder, the lifting hook is installed at four corner positions of hanger plate using chain, the load weight is fixedly installed in load frame, the lifting ring matched with lifting hook is fixedly installed on the top of load frame four corners, the extension structure outward is symmetrically provided on the top of load frame front and back sides, the press wheel is fixedly installed on extension structure, and the press wheel can be supported on second boss.

[0005] Preferably, the limit protrusions are symmetrically and fixedly arranged on the front and back sides of the bottom of the load frame.

[0006] Preferably, the linear slide rails are provided with stop bolts at left and right ends and are screwed.

[0007] Preferably, the second boss top surface is provided with a guide wheel groove matched with the pressure wheel.

[0008] Compared with the prior art, the detection mechanism is suitable for load detection of an industrial robot trolley of a non-floating support structure, has the advantages of convenient load adding and removing operation, the load frame and the load weight block are moved on the loading platform through the setting of the pressure wheel, the industrial robot trolley is positioned at the end of the loading platform, and the load is added and removed, the load frame and the load weight block will not fall down in the use process under the support of the second boss on the pressure wheel, and the use safety is high. BRIEF DESCRIPTION OF DRAWINGS

[0009] The utility model is further described below in combination with the drawings.

[0010] Figure 1 It is the internal structure schematic diagram of the utility model.

[0011] Figure 2 It is Figure 1 The enlarged structure schematic diagram of M of it. DETAILED DESCRIPTION

[0012] The utility model is described in detail below in combination with specific embodiments:

[0013] As Figure 1 And Figure 2 Industrial robot mechanical arm load detection mechanism shown in a kind of, including loading platform 1, stand 2, load frame 3, pressure wheel 31, load weight block 4, linear slide rail 5, sliding block 51, electric cylinder 6, hanger plate 7 and lifting hook 8, the loading platform 1 is fixedly installed stand 2, the stand 2 is fixedly installed on detection workshop ground, the loading platform 1 has detection passage, the detection passage inner wall upper and lower portion is provided with first boss 11, second boss 12, the linear slide rail 5 is fixedly installed on first boss 11, two sliding blocks 51 are slidably installed on two linear slide rails 5, the cylinder body of electric cylinder 6 is fixedly installed on two sliding blocks 51, the hanger plate 7 is fixedly installed on the execution rod of electric cylinder 6, the lifting hook 8 is installed using chain at hanger plate 7 four corner positions, the load weight block 4 is fixedly installed in load frame 3, the load frame 3 top four corners are fixedly installed with the lifting lug 32 matched with lifting hook 8, the load frame 3 top front and rear sides are provided with the outward extension structure, the pressure wheel 31 is fixedly installed on extension structure, the pressure wheel 31 can be supported on second boss 12.

[0014] The load frame 3 bottom front and rear sides are symmetrically and fixedly provided with limit protrusion 30, limit protrusion 30 cooperates with the body of industrial robot trolley 10 and is limited, improves the stability of the body of industrial robot trolley 10 when supporting load frame 3 and load weight block 4 detection.

[0015] The straight sliding rail 5 is provided with a stop bolt 9 at both ends to avoid the sliding block 51 from sliding out of the straight sliding rail 5.

[0016] The second boss 12 is provided with a guide wheel groove matched with the pressure wheel 31, and the pressure wheel 31 is embedded in the guide wheel groove to facilitate the positioning of the lifting ring 32 on the top of the load frame 3 and the lifting hook 8.

[0017] In the non-detection state, the load frame 3 is supported on the second boss 12 of the loading platform 1 by the pressure wheel 31. During the detection of the load operation of the industrial robot trolley 10, the lifting hook 8 is used to lift the lifting ring 32, the execution rod of the electric cylinder 6 is retracted to lift the load frame 3 and the load weight 4, the industrial robot trolley 10 is controlled to move to the position directly below the load frame 3, the execution rod of the electric cylinder 6 is extended, the load frame 3 falls on the industrial robot trolley 10, the lifting hook 8 is removed, and the execution rod of the electric cylinder 6 is retracted to reset, thereby avoiding interference with the top of the load frame 3 during the detection process. At this time, the pressure wheel 31 has a gap of 3-5 cm with the top surface of the first boss 11, the industrial robot trolley 10 runs back and forth along the detection channel to continuously detect the load operation state, and the position sensor is set at the position where the industrial robot trolley 10 cooperates with the stand 2 to collect data feedback.

Claims

1. A load detection mechanism for an industrial robot arm, characterized in that: The system includes a platform (1), a column (2), a load frame (3), a pressure roller (31), a load weight (4), a linear slide rail (5), a slider (51), an electric cylinder (6), a hanging plate (7), and a hook (8). The platform (1) is fixedly installed on the column (2), which is fixedly installed on the floor of the testing workshop. The platform (1) has a testing channel. The inner wall of the testing channel is provided with a first protrusion (11) and a second protrusion (12) on its upper and lower parts. The linear slide rail (5) is fixedly installed on the first protrusion (11), and the two sliders (51) are slidably installed on the two linear slide rails (51 and 52), respectively. On the electric cylinder (6), the cylinder body is fixedly installed on two sliders (51), the hanging plate (7) is fixedly installed on the actuator of the electric cylinder (6), the hook (8) is installed at the four corners of the hanging plate (7) using a chain, the load block (4) is fixedly installed in the load frame (3), the top four corners of the load frame (3) are fixedly installed with lifting rings (32) that cooperate with the hook (8), the top front and rear sides of the load frame (3) are symmetrically provided with outward extension structures, the pressure roller (31) is fixedly installed on the extension structure, and the pressure roller (31) can be supported on the second boss (12).

2. The industrial robot arm load detection mechanism according to claim 1, characterized in that: The load rack (3) has symmetrical and fixed limit protrusions (30) on the front and rear sides of its bottom.

3. The industrial robot arm load detection mechanism according to claim 1, characterized in that: The linear slide rail (5) is screwed with stop bolts (9) at both ends.

4. The industrial robot arm load detection mechanism according to claim 1, characterized in that: The top surface of the second boss (12) is provided with a guide wheel groove that cooperates with the pressure roller (31).

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