Novel injection molding machine part taking mechanical arm convenient for replacing gripper

Abstract

The utility model discloses a novel injection molding machine pick-up mechanical arm convenient to replace a gripper, which relates to the technical field of mechanical arms and comprises a main arm, a first auxiliary arm rotatably arranged at the top of the main arm, a second auxiliary arm rotatably arranged at one end of the first auxiliary arm, a support plate rotatably arranged at the bottom end of the second auxiliary arm, and a fixing shell arranged at the bottom of the support plate. A material taking box is arranged at the bottom of the fixing shell through clamping blocks in a clamped mode, two clamping jaws are arranged in the material taking box, a rotating rod is rotationally arranged in the fixing shell, an adjusting assembly is arranged on the surface of the rotating rod, two second transverse plates are rotationally arranged at the top of the rotating rod through a first transverse plate, and sliding plates are rotationally arranged at the bottom ends of the second transverse plates. Two springs and two limiting strips are arranged on the two sides of the sliding plate correspondingly, and limiting grooves matched with the limiting strips are formed in the two sides of the clamping block correspondingly. The material taking jig has the beneficial effects that the material taking jig can be conveniently and quickly disassembled or replaced by a worker, the working efficiency is improved, and the use convenience is good.

Description

Technical Field

[0001] The utility model relates to a mechanical arm, in particular to a novel injection molding machine piece-taking mechanical arm which is convenient for replacing a gripper, and belongs to the technical field of mechanical arms. Background Art

[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. The total workpiece of the injection molding machine includes products and scraps. The robot includes a robotic arm and a picking fixture. Generally, it is necessary to assemble the robotic arm, PLC controller, and picking fixture, and compile the corresponding program. The PLC controller controls the robotic arm, and the robotic arm drives the picking gripper to perform the injection molding machine picking operation.

[0003] Among them, the "injection molding machine picking-up robot arm that is convenient for quickly replacing the picking-up jig" disclosed in the application number "CN202322124490.3" "comprises a robot arm body, one end of which is provided with a jig fixing plate, and a mounting mechanism is provided between the jig fixing plate and the robot arm body; the mounting mechanism comprises a plurality of plug-ins, and the plurality of plug-ins are fixedly connected to the back of the jig fixing plate, and a slot is provided on the front of the robot arm body, and the outer walls of the plurality of plug-ins are movably interlaced with the inner walls of the plurality of slots, respectively. A plurality of positioning holes are provided on one side of the plug plate, and the inner walls of the plurality of positioning holes are movably interlaced and connected with positioning rods, a connecting cavity is provided inside the mechanical arm body, and an extrusion block is provided inside the connecting cavity. In the utility model, the plug plate is inserted into the corresponding slot by utilizing the arrangement of the slot, the plug plate, the positioning hole, the positioning rod and the extrusion block, and then the plurality of positioning rods are respectively inserted into the corresponding positioning holes by extrusion of the extrusion block, so as to perform multi-point positioning for the installation of the material picking fixture, and when positioning, it is only necessary to lower the extrusion block for extrusion.

[0004] However, the above method still has the following defects: when installing or replacing the material taking fixture, the staff is required to use special tools to screw the bolts, which is not convenient for replacing the material taking fixture. Utility Model Content

[0005] The purpose of the utility model is to provide a new type of injection molding machine picking robot arm that is convenient for replacing grippers, so as to solve the problem proposed in the above background technology that when installing or replacing the picking fixture, the staff needs to use special tools to screw the bolts, which makes it inconvenient to replace the picking fixture.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of injection molding machine picking robot arm for convenient replacement of grippers, comprising a main arm, a sub-arm 1 is rotatably provided on the top of the main arm, a sub-arm 2 is rotatably provided at one end of the sub-arm 1, a support plate is rotatably provided at the bottom end of the sub-arm 2, a fixed shell is provided at the bottom of the support plate, a material picking box is provided at the bottom of the fixed shell through a clamping block, two clamping claws are provided inside the material picking box, a rotating rod is rotatably provided inside the fixed shell, an adjusting assembly is provided on the surface of the rotating rod, two cross plates 2 are rotatably provided on the top of the rotating rod through a cross plate 1, a slide plate is rotatably provided on the bottom end of the cross plate 2, two springs and two limit strips are respectively provided on both sides of the slide plate, limit grooves matching the limit strips are provided on both sides of the clamping block, and a steering assembly is provided at the bottom of the main arm.

[0007] As a preferred technical solution of the utility model, an electric push rod 1 is rotatably provided on the surface of the auxiliary arm 1, and the telescopic rod of the electric push rod 1 is rotatably connected to the bottom of the auxiliary arm 1 through a rotating block 1; an electric push rod 2 is rotatably provided at the bottom end of the auxiliary arm 1, and the telescopic rod of the electric push rod 2 is rotatably connected to the surface of the auxiliary arm 2 through a rotating block 2; an electric push rod 3 is rotatably provided at the bottom of one side of the auxiliary arm 2, and the telescopic rod of the electric push rod 3 is rotatably connected to the top of the support plate through a rotating block 3.

[0008] As a preferred technical solution of the utility model, a bidirectional screw is provided for internal rotation of the material taking box, and sliders are provided at both ends of the bidirectional screw through screw nut threads, and the top end of the clamp is fixedly connected to the bottom end of the slider.

[0009] As a preferred technical solution of the utility model, the top of the slider is slidably connected to the top of the inner wall of the material picking box, one side of the clamp is provided with an anti-slip pad, one side of the material picking box is provided with a forward and reverse motor, and the output shaft of the forward and reverse motor passes through the material picking box and is fixedly connected to one end of the bidirectional screw rod.

[0010] As a preferred technical solution of the utility model, the adjustment assembly includes a gear ring, which is fixedly installed at the bottom of the rotating rod, and a rack plate is meshed on one side of the gear ring. A sliding rod is provided inside the fixed shell through a vertical plate for sliding, and one end of the sliding rod is fixedly connected to one side of the rack plate.

[0011] As a preferred technical solution of the utility model, one end of the sliding rod away from the fixed shell passes through the fixed shell and is provided with a pulling column, and one end of the spring is fixedly connected to the inner wall of the fixed shell.

[0012] As a preferred technical solution of the utility model, the steering assembly includes a support column, which is fixedly installed at the bottom end of the main arm, a C-shaped seat is rotatably provided on the surface of the support column, a pulley 1 is provided in the middle of the support column, an electric motor is provided inside the C-shaped seat, a pulley 2 is provided on the output shaft of the motor, and pulley 1 and pulley 2 are connected by a transmission belt.

[0013] As a preferred technical solution of the utility model, the slide plate is slidably connected to the inner wall of the fixed shell, four corners of the surface of the C-shaped seat are provided with mounting blocks, and the surface of the mounting blocks is provided with mounting holes.

[0014] Compared with the related art, the new type of injection molding machine taking-out mechanical arm which is convenient for replacing the gripper provided by the utility model has the following beneficial effects:

[0015] 1. The rotating rod is driven to rotate by the arranged adjusting component, so that the horizontal plate 1 at the top of the rotating rod can rotate synchronously, and the two horizontal plates 2 rotating at one part of the horizontal plate can be coordinated, so that the sliding plate arranged inside the fixed shell can move synchronously to each other, so that the two sliding plates can move away from each other, so that the mutually inserted limit strips and the limit grooves at the card block can be separated, which is convenient for disassembly of the material picking box and the clamping claws arranged inside. By making the two sliding plates move closer to each other under the resetting rebound of the spring, that is, the limit strips and the limit grooves are mutually inserted, the installation of the material picking box and the clamping claws can be realized, which is convenient for the staff to quickly disassemble or replace the material picking fixture, improve the work efficiency, and have good convenience of use;

[0016] 2. Through the provided steering assembly, in cooperation with the motor, pulley 1, pulley 2 and transmission belt, the support column and main arm 1 are driven to perform steering operations, so as to facilitate the transfer of the clamped workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the main arm of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the fixed shell of the utility model;

[0020] Figure 4 It is a schematic diagram of the explosion structure of the fixed shell of the utility model;

[0021] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure at point A;

[0022] Figure 6 For this utility model Figure 2Schematic diagram of the enlarged structure at B.

[0023] In the figure: 1. main arm; 2. auxiliary arm 1; 3. auxiliary arm 2; 4. support plate; 5. fixed shell; 6. block; 7. material box; 8. rotating rod; 9. adjustment assembly; 901. gear ring; 902. rack plate; 903. vertical plate; 904. sliding rod; 905. pulling column; 906. two-way screw rod; 907. sliding block; 908. clamping claw; 909. anti-skid pad; 10. horizontal plate 1; 11. horizontal plate 2; 12. steering assembly; 1201. supporting column; 1202. C-type seat; 1203. pulley 1; 1204. motor; 1205. pulley 2; 1206. transmission belt; 13. slide plate; 14. spring; 15. limit strip; 16. forward and reverse motor; 17. electric push rod 1; 18. electric push rod 2; 19. electric push rod 3. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-6The utility model provides a novel injection molding machine picking-up mechanical arm for convenient replacement of grippers, including a main arm 1, a secondary arm 2 is rotatably provided at the top of the main arm 1, a secondary arm 2 is rotatably provided at one end of the secondary arm 2, a support plate 4 is rotatably provided at the bottom end of the secondary arm 2, and the mechanical arm is conveniently swung through the mutual cooperation between the secondary arm 2 and the secondary arm 2 3 and the main arm 1, so as to facilitate the clamping of the workpiece by the material-taking fixture, a fixed shell 5 is provided at the bottom of the support plate 4, a material-taking box 7 is clamped by a clamping block 6 at the bottom of the fixed shell 5, and two clamping claws 908 are provided inside the material-taking box 7, so as to facilitate the clamping operation of the tool by the set clamping claws 908, a rotating rod 8 is rotatably provided inside the fixed shell 5, and an adjusting component 9 is provided on the surface of the rotating rod 8, the top of the rotating rod 8 is rotatably provided with two horizontal plates 2 11 through a horizontal plate 10, and a slide plate 13 is rotatably provided at the bottom end of the horizontal plate 2 11, and two springs 14 and two limit strips 15 are respectively provided on both sides of the slide plate 13, and two sides of the clamping block 6 are respectively provided with two springs 14 and two limit strips 15. The two slide plates 13 are arranged on the bottom of the fixed shell 5, so that the two slide plates 13 can move away from each other, thereby facilitating the separation of the mutually inserted limit strips 15 and the limit slots at the card block 6, so as to facilitate the disassembly of the material picking box 7 and the internally arranged clamping claws 908. By resetting and rebounding the spring 14, the two slide plates 13 are moved closer to each other, that is, the limit strips 15 are mutually inserted in the limit slots, so as to realize the installation of the material picking box 7 and the clamping claws 908, so as to facilitate the staff to quickly disassemble or replace the material picking fixture, improve the work efficiency and the convenience of use. The bottom of the main arm 1 is provided with a steering assembly 12, which is convenient for the steering operation of the material picking workpiece and the transfer of the material picking workpiece.

[0027] The adjustment assembly 9 includes a gear ring 901, which is fixedly mounted at the bottom of the rotating rod 8. A rack plate 902 is meshed on one side of the gear ring 901. A slide bar 904 is slidably mounted inside the fixed shell 5 through a vertical plate 903. One end of the slide bar 904 is fixedly connected to one side of the rack plate 902. The movement of the rack plate 902 cooperates with the meshing gear ring 901, which facilitates the rotation of the gear ring 901, that is, the rotating rod 8 and the horizontal plate 10 are synchronously driven to rotate and adjust.

[0028] One end of the slide bar 904 away from the fixed shell 5 penetrates the fixed shell 5 and is provided with a pull column 905. One end of the spring 14 is fixedly connected to the inner wall of the fixed shell 5. The staff can stretch the slide bar 904 through the pull column 905 to drive the rack plate 902 to move in the direction of the pull column 905.

[0029] A bidirectional screw rod 906 is provided for rotation inside the material taking box 7. Both ends of the bidirectional screw rod 906 are provided with sliders 907 through screw nut threads. The top end of the clamping jaw 908 is fixedly connected to the bottom end of the slider 907. The slider 907 and the clamping jaw 908 move in opposite directions in the horizontal direction through the forward and reverse rotation of the bidirectional screw rod 906, so as to facilitate the grabbing of workpieces of different sizes.

[0030] The top of the slider 907 is slidably connected to the top of the inner wall of the material picking box 7, an anti-slip pad 909 is provided on one side of the clamp 908, and a forward and reverse motor 16 is provided on one side of the material picking box 7. The output shaft of the forward and reverse motor 16 passes through the material picking box 7 and is fixedly connected to one end of the bidirectional screw rod 906, so as to facilitate the limit guiding role of the clamp 908 when it moves, and to facilitate the rotation of the bidirectional screw rod 906 by the forward and reverse motor 16.

[0031] Embodiment 2:

[0032] The steering assembly 12 includes a support column 1201, which is fixedly mounted on the bottom end of the main arm 1. A C-shaped seat 1202 is rotatably provided on the surface of the support column 1201. A pulley 1203 is provided in the middle of the support column 1201. A motor 1204 is provided inside the C-shaped seat 1202. A pulley 2 1205 is provided on the output shaft of the motor 1204. The pulley 1 1203 and the pulley 2 1205 are connected by a transmission belt 1206. By controlling the forward and reverse rotation of the motor 1204, the pulley 2 1205 is driven to rotate. In combination with the pulley 1 1203 and the transmission belt 1206, the support column 1201 and the main arm 1 can be steered, and the use is convenient.

[0033] The slide plate 13 is slidably connected to the inner wall of the fixed shell 5, and the four corners of the surface of the C-shaped seat 1202 are provided with mounting blocks, and the surface of the mounting blocks is provided with mounting holes, so that the slide plate 13 plays a role of limiting when moving in the horizontal direction, and it is convenient to install the robot arm on a suitable CNC device through the mounting blocks and the mounting holes, and the use is convenient;

[0034] An electric push rod 17 is rotatably provided on the surface of the auxiliary arm 2, and the telescopic rod of the electric push rod 17 is rotatably connected to the bottom of the auxiliary arm 2 through a turning block 1. An electric push rod 2 18 is rotatably provided at the bottom end of the auxiliary arm 2, and the telescopic rod of the electric push rod 2 18 is rotatably connected to the surface of the auxiliary arm 2 3 through a turning block 2. An electric push rod 3 19 is rotatably provided at the bottom of one side of the auxiliary arm 2 3, and the telescopic rod of the electric push rod 3 19 is rotatably connected to the top of the support plate 4 through a turning block 3. It is convenient to use the electric push rod 17, the electric push rod 2 18 and the electric push rod 3 19 to adjust the angles of the auxiliary arm 2, the auxiliary arm 2 3 and the support plate 4, so as to facilitate the clamping operation of the workpiece.

[0035] When in use, first, the picking robot arm is connected to the CNC equipment using the mounting block, mounting holes and bolt and nut group, and then the angles of the auxiliary arm 2, auxiliary arm 3 and support plate 4 are adjusted by controlling the electric push rod 1 17, the electric push rod 2 18 and the electric push rod 3 19. At the same time, the motor 1204 can be controlled to drive the pulley 2 1205 to rotate, and the transmission belt 1206 and the pulley 1 1203 can be used to drive the support column 1201 and the main arm 1 to turn, so as to facilitate the workpiece grabbing operation;

[0036] Then, the forward and reverse motor 16 is controlled to drive the bidirectional screw 906 to rotate forward, and the screw nut and the slider 907 are coordinated to make the two sliders 907 and the two clamps 908 move synchronously in opposite directions, so as to facilitate the clamping and taking of the workpiece, and the swingable auxiliary arm 1 2 and the auxiliary arm 2 3, as well as the main arm 1 that can turn, can be used to transfer the clamped workpiece to the next station;

[0037] When it is necessary to disassemble and replace the material picking box 7, the pulling column 905 set by stretching drives the sliding rod 904 and the rack plate 902 to move in the direction of the pulling column 905. When the rack plate 902 moves, it drives the ring gear 901 to rotate, and synchronously drives the rotating rod 8 and the cross plate 10 to rotate, and cooperates with the rotating cross plate 2 11, thereby driving the two slide plates 13 to move away synchronously, so that the limit strips 15 inserted into each other and the limit grooves at the card block 6 are separated from each other, so that the material picking box 7 and the clamping claw 908 arranged therein can be disassembled, and then the replaced material picking box 7 is reset, that is, the card block 6 is reset, and the pulling column 905 set by Panasonic, supported by the spring 14, makes the slide plate 13 move towards each other, at this time, the limit strip 15 is plugged and fixed with each other at the limit groove, and the rack plate 902 and the ring gear 901 are reset synchronously, completing the replacement operation of the material picking box 7 and the clamping claw 908, and finally the robot arm can be used again.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel injection molding machine pick-up robot arm that is convenient for replacing grippers, comprising a main arm (1), characterized in that: A secondary arm 1 (2) is rotatably provided at the top of the main arm (1), a secondary arm 2 (3) is rotatably provided at one end of the secondary arm 1 (2), a support plate (4) is rotatably provided at the bottom end of the secondary arm 2 (3), a fixed shell (5) is provided at the bottom of the support plate (4), a material taking box (7) is provided at the bottom of the fixed shell (5) through a clamping block (6), two clamping claws (908) are provided inside the material taking box (7), a rotating rod (8) is rotatably provided inside the fixed shell (5), an adjusting assembly (9) is provided on the surface of the rotating rod (8), two horizontal plates 2 (11) are rotatably provided at the top of the rotating rod (8) through a horizontal plate 1 (10), a sliding plate (13) is rotatably provided at the bottom end of the horizontal plate 2 (11), two springs (14) and two limit strips (15) are respectively provided on both sides of the sliding plate (13), and limit grooves matching the limit strips (15) are provided on both sides of the clamping block (6), and a steering assembly (12) is provided at the bottom of the main arm (1).

2. According to claim 1, the novel injection molding machine taking-out mechanical arm that is convenient for replacing the gripper is characterized in that: The surface of the auxiliary arm one (2) is rotatably provided with an electric push rod one (17), and the telescopic rod of the electric push rod one (17) is rotatably connected to the bottom of the auxiliary arm one (2) through a rotating block one. The bottom end of the auxiliary arm one (2) is rotatably provided with an electric push rod two (18), and the telescopic rod of the electric push rod two (18) is rotatably connected to the surface of the auxiliary arm two (3) through a rotating block two. The bottom of one side of the auxiliary arm two (3) is rotatably provided with an electric push rod three (19), and the telescopic rod of the electric push rod three (19) is rotatably connected to the top of the support plate (4) through a rotating block three.

3. According to claim 1, the novel injection molding machine taking-out mechanical arm with convenient gripper replacement is characterized in that: A bidirectional screw rod (906) is rotatably provided inside the material taking box (7), and sliders (907) are provided at both ends of the bidirectional screw rod (906) through screw nut threads, and the top end of the clamping claw (908) is fixedly connected to the bottom end of the slider (907).

4. The novel injection molding machine taking-out mechanical arm for convenient gripper replacement according to claim 3 is characterized in that: The top of the slider (907) is slidably connected to the top of the inner wall of the material taking box (7); an anti-slip pad (909) is provided on one side of the clamping claw (908); a forward and reverse motor (16) is provided on one side of the material taking box (7); an output shaft of the forward and reverse motor (16) passes through the material taking box (7) and is fixedly connected to one end of the bidirectional screw rod (906).

5. The novel injection molding machine taking-out mechanical arm with convenient gripper replacement according to claim 1 is characterized in that: The adjustment assembly (9) comprises a gear ring (901), the gear ring (901) being fixedly mounted on the bottom of the rotating rod (8), one side of the gear ring (901) being meshed with a rack plate (902), and a sliding rod (904) being slidably provided inside the fixed shell (5) via a vertical plate (903), one end of the sliding rod (904) being fixedly connected to one side of the rack plate (902).

6. The novel injection molding machine taking-out mechanical arm for convenient gripper replacement according to claim 5 is characterized in that: One end of the sliding rod (904) facing away from the fixed shell (5) passes through the fixed shell (5) and is provided with a pulling column (905), and one end of the spring (14) is fixedly connected to the inner wall of the fixed shell (5).

7. The novel injection molding machine taking-out mechanical arm with convenient gripper replacement according to claim 1 is characterized in that: The steering assembly (12) comprises a support column (1201), wherein the support column (1201) is fixedly mounted on the bottom end of the main arm (1), a C-shaped seat (1202) is rotatably provided on the surface of the support column (1201), a belt pulley 1 (1203) is provided in the middle of the support column (1201), an electric motor (1204) is provided inside the C-shaped seat (1202), an output shaft of the electric motor (1204) is provided with a belt pulley 2 (1205), and the belt pulley 1 (1203) and the belt pulley 2 (1205) are connected to each other via a transmission belt (1206).

8. The novel injection molding machine taking-out mechanical arm for convenient gripper replacement according to claim 7 is characterized in that: The slide plate (13) is slidably connected to the inner wall of the fixed shell (5); four corners of the surface of the C-shaped seat (1202) are provided with mounting blocks, and the surface of the mounting blocks is provided with mounting holes.

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