A double-speed conveying device

Abstract

The present invention discloses a double-speed conveying device, which relates to the technical field of conveying equipment. The device comprises a double-speed driving part, a double-speed beam part, a main rod rotating part and a spacing adjustment part. The double-speed driving part is slidably arranged at the upper end of the double-speed beam part. The main rod rotating part is slidably arranged at both ends of the double-speed beam part through a slide. The spacing adjustment part is fixedly installed on the outer side of the main rod rotating part. The double-speed driving part comprises a driving box body and a driving mechanism. A driving pulley and an idler pulley are arranged in the driving box body. The driving pulley is fixedly connected to the driving mechanism. The double-speed beam part comprises a beam, an active synchronous belt, a driven synchronous belt and a reversing wheel. The active synchronous belt is arranged on the active synchronous belt, and the idler pulley enables the active synchronous belt to output horizontally. The present invention can realize functions such as rotation of workpieces in front and rear process parts, translation of single materials, adjustment of spacing between two materials and automatic replacement of end pickers, and can meet the needs of high-speed and high-flexibility automated production.

Description

Technical Field

[0001] The present invention relates to the technical field of conveying equipment, and in particular to a double-speed conveying device. Background Art

[0002] In recent years, with the rapid and efficient development of the automotive industry, the annual output of automobiles has continued to increase. In order to improve the transmission speed of sheet metal between presses and overcome many problems such as the instability and slow speed of the six-axis handling robot when handling sheet metal, a linear conveying unit is currently added to the end of the standard six-axis robot, that is, a linear seven-axis double-speed conveying unit is added to the sixth-axis flange of the robot.

[0003] The existing robot linear seven-axis system can only realize the linear transportation of sheet metal. Considering the irregular shape of the stamping die and the existence of auxiliary guide accessories, the opening of the press is required to be large enough when picking up and placing the sheet metal. It cannot realize the functions of rotating the sheet metal between the front and rear presses, single-piece translation, double-piece spacing adjustment and automatic replacement of end pickers. The current robot linear seven-axis system cannot meet the needs of high-speed and high-flexibility production. Summary of the Invention

[0004] In view of the shortcomings and defects in the existing technology, the present invention provides a double-speed conveying device with light weight and strong rigidity, which can realize the rotation of sheet metal between the front and rear presses, the adjustment of the double material spacing to meet special process requirements, and the automatic replacement of end pickers.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a double-speed conveying device, including a double-speed driving part, a double-speed beam part, a main rod rotating part and a spacing adjustment part, the double-speed driving part is slidably arranged at the upper end of the double-speed beam part, the main rod rotating part is slidably arranged on both sides of the double-speed beam part through a slide seat, and the outer side of the main rod rotating part is fixedly installed with a spacing adjustment part; the double-speed driving part includes a driving box body and a driving mechanism, the driving mechanism is arranged on one side of the driving box body, and a driving pulley and an idler wheel are provided in the driving box body, and the idler wheel has two , symmetrically arranged on both sides of the lower end of the active pulley, the active pulley is fixedly connected to the driving mechanism; the double-speed beam part includes a beam, an active synchronous belt, a driven synchronous belt and a reversing wheel, the active synchronous belt is arranged on the active pulley, the idler wheels at both ends guide the active synchronous belt, so that the active synchronous belt is output horizontally, reversing wheels are provided at both ends of the beam, the driven synchronous belt connects the two reversing wheels, and the two ends are respectively fixed at the two ends of the driving box, a slide is fixed on the middle position of the lower end of the driven synchronous belt, and the slide is slidably arranged with the beam.

[0006] As a further improvement of the present invention, two sets of upper guide rails are provided on the upper end surface of the crossbeam, and the two sets of upper guide rails are symmetrically arranged along the center line of the driven synchronous belt. Side guide rails are provided on the front and rear sides of the crossbeam, and the two upper guide rails and the two side guide rails are provided with sliders adapted thereto. The sliders of the side guide rails are fixedly mounted on the slide seat, and the sliders of the upper guide rails are fixedly mounted on the drive box.

[0007] As a further improvement of the present invention, the main rod rotating part includes a fixed seat, a rotation drive mechanism is provided inside the fixed seat, the output end of the rotation drive mechanism is connected to the rotating seat, and the rotating seat is connected to the spacing adjustment part.

[0008] As a further improvement of the present invention, the spacing adjustment part includes a main rod, a motor, a screw and a nut. One end of the main rod is fixedly connected to the rotation drive mechanism, and the other end is fixedly installed with a motor seat. The motor is installed on the motor seat. The screw passes through the motor seat and is fixedly installed with the motor. The nut and the screw drive reciprocating motion. The nut is fixedly connected to the slide part. A guide rail is provided at the lower end of the main rod, and a slider adapted to the guide rail is fixed on the slide part. A hole groove is provided on the lower end surface of the main rod, and the slide part passes through the hole groove. The upper end of the slide part is fixedly connected to the nut, and the lower end is fixedly connected to the slider adapted to the guide rail. The outer sides of the slide parts at both ends are provided with end picker parts.

[0009] As a further improvement of the present invention, the main rod is arranged inside the rotating seat, and a reinforcement tube is provided on the outside of the connection between the rotating seat and the rotating drive mechanism. The reinforcement tube is fixedly connected to the fixed seat, and the reinforcement tube and the rotating seat are connected by a bearing rotation to improve the load-bearing capacity of the rotating part.

[0010] As a further improvement of the present invention, slider mounting seats are provided at both the front and rear ends of the drive housing, the slider of the upper guide rail is fixed on the slider mounting seats, and a flange is provided at the top of the drive housing.

[0011] As a further improvement of the present invention, anti-collision brackets are provided at both ends of the crossbeam, and anti-collision blocks are provided outside the anti-collision brackets, and the anti-collision blocks are located outside the reversing wheel.

[0012] As a further improvement of the present invention, the main rod is made of carbon fiber.

[0013] As a further improvement of the present invention, the end tool portion includes an end tool common end and an end tool branch installed on the end tool common end, and the end tool common end is arranged on the slide portion.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention includes a double-speed drive unit, a double-speed beam unit, a main rod rotation unit, and a spacing adjustment unit. It can realize functions such as workpiece rotation between previous and next processes, single-material translation, double-material spacing adjustment, and automatic end picker replacement, meeting the needs of high-speed and high-flexibility automated production.

[0016] 2. The crossbeam of the present invention is formed in one piece by extrusion of aviation aluminum. It consists of a double rectangular tube on both sides and a horizontal plate in the middle. While meeting the overall structural layout, it not only reduces the weight of the crossbeam but also ensures the overall strength.

[0017] 3. Anti-collision brackets are installed at both ends of the double-speed beam of the present invention, and elastic anti-collision blocks are installed on the anti-collision brackets to effectively reduce or avoid damage to the equipment caused by abnormal collisions with objects during the movement of the beam;

[0018] 4. The main rod rotating part of the present invention takes into account the irregular shape of the stamping die and the presence of auxiliary guide accessories. When the sheet metal is put in and out of the press, it drives the workpiece to rotate, so that the workpiece is transported along a curved trajectory during the movement, reducing the large opening requirement of the press;

[0019] 5. The two main rod rotating parts of the present invention are driven and controlled separately, which can realize different rotation angles of two pieces. When conveying two pieces, the special requirement that the rotation angles and directions of the two pieces must be consistent is eliminated, and the adaptability is strong;

[0020] 6. The reinforcing tube of the present invention is equipped with a bearing, and the rotating seat cooperates with the bearing in the reinforcing tube, so that the rotating seat is effectively supported in the middle part, thereby improving the load bearing capacity of the entire equipment;

[0021] 7. The spacing adjustment part of the present invention uses a carbon fiber main rod, which is lightweight and reduces the power of the rotating part and the speed drive part. The spacing adjustment parts on both sides are controlled independently. When moving in the same direction, the workpiece can be moved left and right perpendicular to the conveying direction. When moving in opposite directions, the spacing between two workpieces can be adjusted. This meets the special process requirements of translating a single workpiece perpendicular to the conveying direction and adjusting the spacing between two workpieces between the front and rear processes during conveying.

[0022] 8. The end picker of the present invention is composed of a common end picker and a branch end picker. In this way, when grabbing different workpieces, only the branch end picker needs to be replaced, which reduces the overall cost of the end picker. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 Schematic diagram of the three-dimensional structure of the double-speed drive part;

[0026] Figure 3 It is a side view partially cutaway schematic diagram of the double-speed drive part;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the double-speed beam part;

[0028] Figure 5 A schematic cross-sectional view of the rotating portion of the main rod;

[0029] Figure 6 This is a partial cutaway diagram of the spacing adjustment part.

[0030] In the figure: 1. Double-speed drive part, 101. Drive mechanism, 1011. Drive motor, 1012. Reducer, 102. Flange, 103. Slider mounting seat, 104. Drive housing, 105. Driving pulley, 106. Idler pulley;

[0031] 2. Speed beam part, 201. Active synchronous belt, 202. Upper guide rail, 203. Driven synchronous belt, 204. Reversing wheel, 205. Side guide rail, 206. Slide seat, 207. Anti-collision bracket, 208. Anti-collision block;

[0032] 3. Main rod rotating part, 301. Rotation drive mechanism, 302. Fixed seat, 303. Reinforcement tube, 304. Bearing, 305. Rotation seat;

[0033] 4. Spacing adjustment part, 401. Main rod, 402. Lead screw, 403. Nut, 404. Motor seat, 405. Motor, 406. Guide rail, 407. Slide part, 408. End picker branch, 409. End picker common end. DETAILED DESCRIPTION

[0034] In order to make the technical solutions and beneficial effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific implementation methods described herein are only used to understand the present invention and are not used to limit the present invention. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] like Figures 1-6As shown, the double-speed conveying device includes a double-speed drive part, a double-speed beam part, a main rod rotation part, and a spacing adjustment part. The double-speed drive part consists of a flange, a drive housing, a drive mechanism, a driving pulley, a driving synchronous belt, an idler pulley, a slider mounting seat, etc. The drive mechanism includes a drive motor and a reducer. The upper end of the flange is connected to the robot flange, and the lower end is connected to the drive housing. The drive mechanism and the driving pulley are installed on the drive housing. The drive mechanism is directly connected to the driving pulley and drives the active synchronous belt. Under the action of the idler pulley, the active synchronous belt is output horizontally.

[0036] The double-speed beam part includes components such as the beam, upper guide rail, side guide rail, reversing wheel, driven synchronous belt, slide, anti-collision bracket, etc. The beam is formed by extrusion of aviation aluminum in one piece. The cross section of the beam consists of double rectangular tubes on both sides and a middle cross plate, which not only reduces the weight of the beam but also ensures the overall strength. The upper guide rail is installed on the beam and is connected to the double-speed drive part through the slide on the guide rail. It is fixed to both ends of the beam through the active synchronous belt to drive the reciprocating horizontal movement of the beam. Side guide rails are installed on the side of the beam. The slide is connected to the slider of the side guide rail. Reversing wheels are installed at both ends of the beam respectively. Both ends of the driven synchronous belt are fixed on the drive box and fixedly connected to the slide after passing through the reversing wheels at both ends. The slide is fixed in the middle position of the driven synchronous belt. The horizontal reciprocating movement of the beam drives the slide below to move horizontally. Anti-collision brackets are installed at both ends of the beam. Elastic anti-collision blocks are installed on the anti-collision brackets to reduce or avoid damage to the equipment caused by collision with objects during the movement of the beam.

[0037] The two ends of the active synchronous belt are fixed on the crossbeam of the double-speed beam part, and the slider mounting seat is installed on the drive box through an axis connection. The slider that is compatible with the upper guide rail of the beam is fixed on the slider mounting seat. The active synchronous belt rotates, and then the upper guide rail slides in the horizontal direction, thereby driving the double-speed beam part to reciprocate horizontally.

[0038] The main rod rotating section consists of a fixed seat, a rotary drive mechanism, a reinforcement tube, and a rotating seat. The two main rod rotating sections are mounted on the outside of the sliding seat on either side. The fixed seat is fixedly connected to the sliding seat, and the reinforcement tube is connected to the fixed seat. Bearings are installed inside the reinforcement tube. The rotating seat is connected to the output end of the rotary drive mechanism, driving the rotating seat's rotation. The rotating seat and the reinforcement tube are supported by bearings, which improves the load-bearing capacity of the rotating section. The two main rod rotating sections are driven and controlled separately, allowing for different rotation angles for the two pieces. This eliminates the special requirement that the rotation angles and directions of the two pieces must be consistent when conveying two pieces, providing strong adaptability.

[0039] The spacing adjustment part includes a motor, a motor base, a main rod, a lead screw, a nut, a guide rail, a slide, a common end of an end picker, and an end picker branch. The main rod is made of carbon fiber and is fixedly connected to the rotating base. The rotation of the rotating base drives the main rod to rotate. The motor base is mounted on the main rod, and the motor is mounted on the motor base. The motor drives the lead screw to rotate, and the rotation of the lead screw drives the nut to reciprocate linearly. A hole is provided on the lower end surface of the main rod. The slide part passes through the hole. Its upper end is fixedly connected to the nut, and its lower end is fixedly connected to a slider adapted to the guide rail. The outer side of the slide part at both ends is respectively provided with an end picker part. The slide part reciprocates along the main rod. The common end of the end picker is mounted on the slide part. A dedicated end picker is installed at the common end of the end picker. The spacing adjustment parts on both sides move in the same direction to achieve left and right movement of the workpiece perpendicular to the conveying direction. The reverse movement can achieve spacing adjustment of the two workpieces. When replacing the end picker, the power of the spacing adjustment can be used to automatically replace the common end of the end picker together with the end picker.

Claims

1. A double-speed conveying device, characterized in that: The camshaft is provided with a plurality of movable parts, and the movable parts are provided with a plurality of movable parts, and the movable parts are provided with a plurality of movable parts. An active synchronous belt, a driven synchronous belt and a reversing wheel, the active synchronous belt is arranged on the active pulley, the idler wheels at both ends guide the active synchronous belt, so that the active synchronous belt is output horizontally, reversing wheels are provided at both ends of the beam, the driven synchronous belt connects the two reversing wheels, and the two ends are respectively fixed to the two ends of the drive box, a slide is fixed at the middle position of the lower end of the driven synchronous belt, and the slide is slidably arranged with the beam; the main rod rotating part includes a fixed seat, a rotation drive mechanism is provided inside the fixed seat, the output end of the rotation drive mechanism is connected to a rotating seat, and the rotating seat is connected to the spacing adjustment part.

2. The double-speed conveying device according to claim 1, characterized in that: Two sets of upper guide rails are provided on the upper end surface of the crossbeam, and the two sets of upper guide rails are symmetrically arranged along the center line of the driven synchronous belt. Side guide rails are provided on the front and rear sides of the crossbeam. The two upper guide rails and the two side guide rails are provided with sliders adapted thereto, the sliders of the side guide rails are fixedly mounted on the slide seat, and the sliders of the upper guide rails are fixedly mounted on the drive box.

3. The double-speed conveying device according to claim 1, characterized in that: The spacing adjustment part includes a main rod, a motor, a screw and a nut. One end of the main rod is fixedly connected to the rotation drive mechanism, and the other end is fixedly installed with a motor seat. The motor is installed on the motor seat. The screw passes through the motor seat and is fixedly installed with the motor. The nut and the screw drive reciprocating motion. The nut is fixedly connected to the slide part. A guide rail is provided at the lower end of the main rod, and a slider adapted to the guide rail is fixed on the slide part. A hole groove is provided on the lower end surface of the main rod, and the slide part passes through the hole groove. The upper end of the slide part is fixedly connected to the nut, and the lower end is fixedly connected to the slider adapted to the guide rail. The outer sides of the slide parts at both ends are provided with end picker parts.

4. A double-speed conveying device according to claim 1 or 3, characterized in that: The main rod is arranged inside the rotating seat, and a reinforcement tube is arranged outside the connection between the rotating seat and the rotating drive mechanism. The reinforcement tube is fixedly connected to the fixed seat. The reinforcement tube and the rotating seat are rotated by a bearing to improve the load-bearing capacity of the rotating part.

5. The double-speed conveying device according to claim 2, characterized in that: Both the front and rear ends of the driving box body are provided with slider mounting seats, the slider of the upper guide rail is fixed on the slider mounting seats, and the top end of the driving box body is provided with a flange.

6. The double-speed conveying device according to claim 2, characterized in that: Anti-collision brackets are provided at both ends of the crossbeam, and anti-collision blocks are provided outside the anti-collision brackets. The anti-collision blocks are located outside the reversing wheels.

7. The double-speed conveying device according to claim 1, characterized in that: The crossbeam is formed by extruding aviation aluminum in one piece, and its cross section consists of double rectangular tubes on both sides and a middle cross plate.

8. The double-speed conveying device according to claim 3, characterized in that: The main rod is made of carbon fiber.

9. The double-speed conveying device according to claim 3, characterized in that: The end tool part comprises an end tool common end and an end tool branch installed on the end tool common end, and the end tool common end is arranged on the slide part.

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