Double-rail type heavy load injection molding mechanical arm

Abstract

The utility model relates to a kind of two-side double-track type heavy load type injection molding mechanical arm, including mechanical vertical arm, mobile seat and driving motor, the side fixed connection of mobile seat away from transmission belt is connected with a positioning plate, positioning plate is sequentially fixed connection a speed reducer and a driving motor, the gear of one end of speed reducer is equipped with, gear is engaged with rack, the two side walls of mechanical vertical arm are fixed connection first guide rail and second guide rail respectively, and two ends are wound with a transmission belt by first pulley, second pulley respectively, transmission belt is set in the side of the length direction of first guide rail, the side fixed connection of mechanical vertical arm height direction is connected with a rack, first guide rail and second guide rail sliding connection mobile seat, the side wall fixed connection of transmission belt and mobile seat, the bottom end fixed connection of mobile seat is connected with a telescopic cylinder.The two-side double-track type heavy load type injection molding mechanical arm has be suitable for heavy load use, improve stability and repeat positioning accuracy, improve load level and the like advantages.

Description

Technical Field

[0001] This utility model relates to the field of injection molding robotic arms, and in particular to a heavy-duty injection molding robotic arm with dual rails on both sides. Background Technology

[0002] Currently, injection molding robots generally consist of an execution system, a drive system, and a control system. The execution and drive systems are designed to perform the normal functions of the arm, using pneumatic or hydraulic power to drive the mechanical components and achieve the function of picking up objects. The control system controls the drive system, causing the execution system to operate according to a predetermined process. However, conventional robotic arms are not suitable for moving heavy objects, as this can lead to instability during movement and reduce positioning accuracy.

[0003] To address these issues, we developed a dual-track, heavy-duty injection molding robotic arm to solve the problems mentioned above. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art by providing a dual-track heavy-duty injection molding robot arm with advantages such as suitability for heavy-duty use, improved stability and repeatability, and increased load capacity.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a double-rail heavy-duty injection molding robotic arm, comprising a hollow robotic arm, wherein a first guide rail and a second guide rail are fixedly connected to two adjacent side walls of the robotic arm, and a transmission belt is wound around both ends of the robotic arm via a first pulley and a second pulley, respectively. The transmission belt is located on one side of the first guide rail in the length direction, and a rack is fixedly connected to one side of the robotic arm in the height direction. A movable seat is slidably connected to the first guide rail and the second guide rail. The transmission belt is fixedly connected to the side wall of the movable seat. A positioning plate is fixedly connected to the side of the movable seat away from the transmission belt. A reducer and a drive motor are fixedly connected to the positioning plate in sequence. A gear is provided at one end of the reducer, and the gear meshes with the rack. A telescopic cylinder is fixedly connected to the bottom end of the movable seat.

[0006] Preferably, the top of the movable seat is provided with a first bend, a through hole is provided at the middle position of the first bend, and a first slider is fixedly connected to the side wall. The telescopic cylinder passes through the through hole, the first slider is slidably connected to the second guide rail, the telescopic cylinder is provided with a shaft extension end, and the shaft extension end is fixedly connected to the mechanical arm through a connecting block.

[0007] Preferably, the movable seat is provided with a fixing hole, the fixing hole is fixedly connected to the second slider, and the second slider is slidably connected to the first guide rail.

[0008] Preferably, the movable seat is provided with multiple connecting holes, and the connecting holes are fixedly connected to the transmission belt by pressure blocks.

[0009] Preferably, a strip-shaped flange is provided on one side of the mechanical arm in the height direction. The flange has evenly distributed screw holes and is fixedly connected to the mechanical arm by reinforcing ribs. The screw holes are fixedly connected to the rack.

[0010] Preferably, the side wall of the mechanical arm is provided with a row of through holes, and a limiting block is fixedly connected to the top position.

[0011] Preferably, an L-shaped first fixing plate is provided on the side wall of the mechanical arm, and the first fixing plate is fixedly connected to the first guide rail through a plurality of first positioning holes.

[0012] Preferably, an L-shaped second fixing plate is provided on the side wall of the mechanical arm, and the second fixing plate is fixedly connected to the second guide rail through a plurality of second positioning holes.

[0013] Preferably, a first positioning block is fixedly connected to the inner top end of the mechanical arm, and a bracket plate is fixedly connected to each end of the first positioning block. The bracket plate is fixedly connected to the first pulley through a rotating shaft.

[0014] Preferably, a second positioning block is fixedly connected to the inner bottom end of the mechanical arm, and the second positioning block supports the second pulley via a bracket.

[0015] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art: The dual-rail heavy-duty injection molding robot arm described in this utility model adopts a high-power servo motor and upper and lower gear rack transmission, which is suitable for heavy load applications. A guide rail is installed on each of the two vertical surfaces of the robot arm's structural beam, and the corresponding movable seat is designed as an L-shaped vertical movable seat. This design can enhance the stability of the robot arm's operation and improve the repeatability and positioning accuracy of the injection molding robot arm. The auxiliary telescopic cylinder is used to assist the drive motor in sharing a certain amount of the load of the movable part. Attached Figure Description

[0016] Figure 1 This is a front perspective view of the dual-track heavy-duty injection molding robotic arm described in this utility model.

[0017] Figure 2 This is a perspective view of the back of the dual-track heavy-duty injection molding robot arm described in this utility model. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 and Figure 2 A heavy-duty injection molding robotic arm with dual rails on both sides includes a hollow robotic arm 30. A first guide rail 60 and a second guide rail 65 are fixedly connected to two adjacent side walls of the robotic arm 30, respectively. A transmission belt 52 is wound around both ends via a first pulley 50 and a second pulley 56. The transmission belt 52 is located on one side of the first guide rail 60 along its length, and a rack 80 is fixedly connected to one side of the robotic arm 30 along its height. An L-shaped movable seat 20 is slidably connected between the first guide rail 60 and the second guide rail 65. The transmission belt 52 is fixedly connected to the side wall of the movable seat 20. A positioning plate 12 is fixedly connected to the side of the movable seat 20 away from the transmission belt 52. A reducer 11 and a drive motor 10 are sequentially fixedly connected to the positioning plate 12. A gear 15 is provided at one end of the reducer 11, meshing with the rack 80. A telescopic cylinder 40 is fixedly connected to the bottom end of the movable seat 20. The telescopic cylinder 40 assists in the vertical movement of the load.

[0020] The movable base 20 has a first bend 21 at its top end, and fixing holes 24 at two corners on one side. A protruding plate 22 is located on one side of the movable base 20 along its height, and multiple connecting holes 23 are located near the protruding plate 22. The protruding plate 22 is fixedly connected to the positioning plate 12. A through hole 210 is located at the middle of the first bend 21, and a first slider 211 is fixedly connected to its side wall. A telescopic cylinder 40 passes through the through hole 210, which positions the top of the telescopic cylinder. The first slider 211 is slidably connected to the second guide rail 65. The telescopic cylinder 40 has a shaft extension end 41, which is fixedly connected to the mechanical arm 30 via a connecting block 70. The telescopic cylinder 40 shares the load with the assist drive motor. The fixing holes 24 are fixedly connected to the second slider 201, which is slidably connected to the first guide rail 60. The connecting holes 23 are fixedly connected to the transmission belt 52 via pressure blocks to improve the straightness of the transmission.

[0021] A strip-shaped flange 31 is provided on one side of the mechanical arm 30 in the height direction. An L-shaped first fixing plate 302 and an L-shaped second fixing plate 303 are provided on the side wall of the mechanical arm 30. A first positioning block 53 is fixedly connected to the inner top end of the mechanical arm 30, and a second positioning block 55 is fixedly connected to the inner bottom end of the mechanical arm 30. The first fixing plate 302 and the second fixing plate 303 are set on the adjacent side walls of the mechanical arm 30. The flange 31 has evenly distributed screw holes 311 and is fixedly connected to the mechanical arm 30 by reinforcing ribs 312. The screw holes 311 are fixedly connected to the rack 80. A row of through holes 301 is provided on the side wall of the mechanical arm 30, and a limiting block 32 is fixedly connected to the top position. The through holes 301 reduce the weight of the mechanical arm and facilitate the installation of wiring and air pipes. The limiting block 32 limits the movement of the moving base 20. The first fixed plate 302 is fixedly connected to the first guide rail 60 through multiple first positioning holes 601. The second fixed plate 303 is fixedly connected to the second guide rail 65 through multiple second positioning holes 651. A bracket plate 51 is fixedly connected to each end of the first positioning block 53, and the bracket plate 51 is fixedly connected to the first pulley 50 through a rotating shaft. The second positioning block 55 supports the second pulley 56 through a bracket. The bracket plate 51 is fixedly connected to the rotating shafts of the two first pulleys respectively. The two sides of the second positioning block 55 are fixedly connected to the rotating shafts of the second pulley 56. A transmission belt 52 is wound between the first pulley 50 and the second pulley 56 to improve the straightness of the transmission of the moving seat 20.

[0022] The drive motor 10 drives the gear and rack 80 at one end of the reducer 11 to move up and down. The moving seat 20 slides up and down on the first guide rail 60 through the second slider 201, and at the same time slides on the second guide rail 65 through the first slider 211. The transmission belt 52 also moves up and down along the mechanical arm 30. The first guide rail 60 and the second guide rail 65 are located on the two vertical planes of the mechanical arm. The moving seat is designed as an L-shaped vertical type, which can enhance the stability of the operation of the robotic arm and improve the repeatability of the injection molding robot. The telescopic cylinder 40 is fixed at the bottom of the moving seat 20, and the shaft extension end 41 is fixedly connected to the bottom of the mechanical arm 30 to assist the drive motor 10 in sharing a certain amount of heavy load.

[0023] The above are merely specific application examples of this utility model and do not constitute any limitation on the scope of protection of this utility model. All technical solutions formed by equivalent transformations or equivalent substitutions fall within the scope of protection of this utility model.

Claims

1. A two-sided double-track heavy-duty injection molding robot, characterized by: The system includes a hollow mechanical arm (30), with a first guide rail (60) and a second guide rail (65) fixedly connected to two adjacent side walls of the mechanical arm (30), and a transmission belt (52) wound around both ends via a first pulley (50) and a second pulley (56), respectively. The transmission belt (52) is located on one side of the first guide rail (60) along its length, and a rack (80) is fixedly connected to one side of the mechanical arm (30) along its height. The first guide rail (60) and the second guide rail (65) slide together. The connecting movable seat (20) is fixedly connected to the side wall of the movable seat (20), and the positioning plate (12) is fixedly connected to the side of the movable seat (20) away from the transmission belt (52). The positioning plate (12) is fixedly connected to the reducer (11) and the drive motor (10) in sequence. A gear (15) is provided at one end of the reducer (11), and the gear (15) meshes with the rack (80). The bottom end of the movable seat (20) is fixedly connected to the telescopic cylinder (40).

2. The two-sided dual rail heavy duty injection molding robot of claim 1, wherein, The top of the movable seat (20) is provided with a first bend (21), and a through hole (210) is provided at the middle position of the first bend (21). A first slider (211) is fixedly connected to the side wall. The through hole (210) passes through the telescopic cylinder (40). The first slider (211) is slidably connected to the second guide rail (65). The telescopic cylinder (40) is provided with a shaft extension end (41). The shaft extension end (41) is fixedly connected to the mechanical arm (30) through a connecting block (70).

3. The two-sided dual rail heavy duty injection molding robot of claim 2, wherein, The movable seat (20) is provided with a fixing hole (24), the fixing hole (24) is fixedly connected to the second slider (201), and the second slider (201) is slidably connected to the first guide rail (60).

4. The two-sided dual rail heavy duty injection molding robot of claim 1, wherein, The movable seat (20) is provided with multiple connecting holes (23), and the connecting holes (23) are fixedly connected to the transmission belt (52) by pressure blocks.

5. The two-sided dual rail heavy duty injection molding robot of claim 1, wherein, The mechanical arm (30) has a strip-shaped flange (31) on one side in the height direction. The flange (31) has evenly distributed screw holes (311) and is fixedly connected to the mechanical arm (30) by reinforcing ribs (312). The screw holes (311) are fixedly connected to the rack (80).

6. The two-sided dual rail heavy duty injection molding robot of claim 1, wherein, The mechanical arm (30) has a through hole (301) on its side wall and a limiting block (32) is fixedly connected to its top position.

7. The two-sided dual rail heavy duty injection molding robot of claim 1, wherein, The mechanical arm (30) has an L-shaped first fixing plate (302) on its side wall. The first fixing plate (302) is fixedly connected to the first guide rail (60) through multiple first positioning holes (601).

8. The two-sided dual rail heavy duty injection molding robot of claim 7, wherein, The mechanical arm (30) has an L-shaped second fixing plate (303) on its side wall. The second fixing plate (303) is fixedly connected to the second guide rail (65) through multiple second positioning holes (651).

9. The two-sided dual rail heavy duty injection molding robotic arm of claim 1, wherein, The inner top end of the mechanical arm (30) is fixedly connected to the first positioning block (53), and the two ends of the first positioning block (53) are respectively fixedly connected to the support plate (51). The support plate (51) and the first pulley (50) are fixedly connected by a rotating shaft.

10. The two-sided dual rail heavy duty injection molding robot of claim 9, wherein, The inner bottom end of the mechanical arm (30) is fixedly connected to the second positioning block (55), and the second positioning block (55) supports the second pulley (56) through the bracket.

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