Material taking jig for injection molding machine

Abstract

The utility model relates to the technical field of injection molding equipment, in particular to a material taking jig for an injection molding machine, which comprises a fixing frame, a clamping mechanism and a first material taking mechanism connected with one side of the fixing frame, one end of the fixing frame is used for being connected with external mobile equipment, the other end of the fixing frame is connected with the clamping mechanism, and the clamping mechanism is used for clamping a workpiece; the first material taking mechanism comprises a first push plate, a plurality of first push rods and a first driving part fixedly connected with the fixing frame, the first driving part is in driving connection with the first push plate, one end of each first push rod is connected with the first push plate, and the other end of each first push rod is provided with a first material taking part used for conveying nuts; the first driving piece is used for driving the first material taking piece to move into the injection molding machine mold cavity and pushing the nut into the injection molding machine mold cavity. The material taking jig is small in occupied area, a plurality of nuts can be pre-embedded at the same time, the clamping mechanism can quickly take workpieces subjected to injection molding before the nuts are pre-embedded, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment, in particular to a material taking fixture used for an injection molding machine. Background Art

[0002] The pre-embedding treatment of plastic parts is a very important operation step in the injection molding process. In some injection molding production, the embedding of nuts is also a very common production process. Pre-embedding can make the product more beautiful and the structural stability of the product better after injection molding. At present, it is very inconvenient to take out the workpiece that is pre-embedded with nuts in the injection molding machine and injection molded in the injection molding machine. Usually, a robot is required to assist in removing the workpiece to facilitate the next step, and then the pre-embedded injection molding of the nuts in the injection molding machine is performed. Such a structure occupies a large area; at the same time, the pre-embedded injection-molded nuts are usually pre-embedded one by one. For products that need to pre-embed multiple nuts at the same time, such a structure is not conducive to improving the production efficiency of the equipment and it is difficult to achieve mass production of products. Summary of the invention

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a material picking fixture for an injection molding machine, which is easy to use, occupies a small area, can realize the simultaneous pre-embedding of multiple nuts, and the clamping mechanism can quickly pick up the injection molded workpiece before the nuts are pre-embedded, thereby improving the efficiency of the in-mold injection molding production of nuts and realizing mass production of products.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A material picking fixture for an injection molding machine comprises a fixed frame, a clamping mechanism and a first material picking mechanism connected to one side of the fixed frame, one end of the fixed frame is used to connect to an external mobile device, the other end of the fixed frame is connected to the clamping mechanism, the clamping mechanism is used to clamp a workpiece that is pre-injected and injection-molded with a nut in a mold cavity of the injection molding machine; the first material picking mechanism comprises a first push plate, a first push rod and a first driving member fixedly connected to the fixed frame, the first driving member is drivingly connected to the first push plate, there are multiple first push rods, one end of the first push rod is connected to the first push plate, the other end of the first push rod is provided with a first material picking member for transporting nuts, the first driving member is used to drive the first material picking member to move into the mold cavity of the injection molding machine and push the nut into the mold cavity of the injection molding machine.

[0006] Furthermore, the injection molding machine includes a first template and a second template arranged on one side of the first template, a station for a material picking fixture is provided between the first template and the second template, the first template is provided with a first nut hole, and the first driving member is used to drive the first material picking member to move into the first nut hole and push the nut into the first nut hole.

[0007] Furthermore, the material picking fixture for the injection molding machine also includes a second material picking mechanism connected to the side of the fixed frame away from the first material picking mechanism, the second template is provided with a plurality of second nut holes, the second material picking mechanism includes a second push plate, a second push rod and a second driving member fixedly connected to the fixed frame, the second driving member is drivingly connected to the second push plate, the number of the second push rods is multiple, one end of the second push rod is connected to the second push plate, the other end of the second push rod is provided with a second material picking member for transporting nuts, and the second driving member is used to drive the second material picking member to move into the second nut hole and push the nut into the second nut hole.

[0008] Furthermore, the first material picking mechanism also includes a first positioning column, the first template is provided with a first positioning hole, one end of the first positioning column is connected to the fixing frame, the other end of the first positioning column extends into the first positioning hole, and the first positioning column is inserted into the first positioning hole.

[0009] Furthermore, the second material picking mechanism also includes a second positioning column, the second template is provided with a second positioning hole, one end of the second positioning column is connected to the fixing frame, the other end of the second positioning column extends into the second positioning hole, and the second positioning column is inserted into the second positioning hole.

[0010] Furthermore, the clamping mechanism includes a third driving member and a suction cup assembly drivingly connected to the third driving member, the third driving member is fixedly connected to the fixed frame, and the third driving member is used to drive the suction cup assembly to move into the mold cavity of the injection molding machine and absorb the injection molded workpiece.

[0011] Furthermore, the suction cup assembly includes a suction cup hand and a fixed plate driven by a third driving member, the fixed plate is provided with a limiting hole, one end of the suction cup hand can be inserted into the corresponding limiting hole, and the other end of the suction cup hand extends into the mold cavity of the injection molding machine and is used to suck the injection molded workpiece.

[0012] Furthermore, the plurality of limiting holes are arranged in a rectangular array, the number of the suction cup hands is multiple, and the plurality of suction cup hands are distributed in a diagonal direction on the fixed plate.

[0013] Furthermore, the material picking fixture for the injection molding machine also includes a fourth driving member drivingly connected to the fixed frame, the fourth driving member is used to be fixedly connected to the external mobile device, and the fourth driving member is used to drive the fixed frame to rotate relative to the external mobile device.

[0014] Furthermore, the material taking fixture for the injection molding machine also includes a control device, and the first driving member, the second driving member, the third driving member and the fourth driving member are all connected to the control device.

[0015] The beneficial effects of the utility model: the material picking fixture for the injection molding machine of the utility model has a simple structure and occupies a small area. The two ends of the fixed frame are respectively connected to the external mobile device and the clamping mechanism, and one side of the fixed frame is connected to the first material picking mechanism, with strong functionality. The clamping mechanism can quickly clamp the workpieces that have been injection molded after the nut pre-embedding in the previous round before the new round of nut pre-embedding, which is convenient for the first material picking mechanism to carry out a new round of nut pre-embedding for the injection molding machine. The number of the first push rods is multiple, and multiple nuts can be pre-embedded at the same time. The clamping mechanism clamps the injection-molded workpiece and the first material picking mechanism is properly connected before and after the nut pre-embedding of the injection molding machine, and operates stably, which greatly improves the efficiency of the nut in-mold injection molding production and realizes mass production of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the material taking fixture;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of an injection molding machine;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of a material taking fixture for an injection molding machine;

[0019] Figure 4 A schematic diagram of the three-dimensional structure of a material taking fixture for an injection molding machine from another perspective;

[0020] Figure 5 This is a schematic diagram of the structure of the first template.

[0021] Reference numerals include:

[0022] 1. Fixed frame; 2. First material picking mechanism; 21. First push plate; 22. First push rod; 23. First material picking member; 24. First positioning column; 25. First driving member; 3. Second material picking mechanism; 31. Second push plate; 32. Second push rod; 33. Second material picking member; 34. Second positioning column; 35. Second driving member; 4. Third driving member; 5. Suction cup assembly; 51. Suction cup hand; 52. Fixed plate; 521. Limiting hole; 6. Injection molding machine; 61. First template; 611. First nut hole; 612. First positioning hole; 62. Second template; 621. Second nut hole; 622. Second positioning hole; 7. Fourth driving member; 8. Workpiece. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0024] like Figure 1-5As shown, a material taking fixture for an injection molding machine comprises a fixing frame 1, a clamping mechanism and a first material taking mechanism 2 connected to one side of the fixing frame 1, one end of the fixing frame 1 is used to be connected to an external mobile device, and the other end of the fixing frame 1 is connected to the clamping mechanism, and the clamping mechanism is used to clamp a workpiece 8 that has been injection molded in a mold cavity of an injection molding machine 6 after the nuts are pre-embedded before the nuts are pre-embedded in the injection molding machine 6; the external mobile device is used to drive the fixing frame 1 to move or move away from the mold cavity of the injection molding machine 6, and the first material taking mechanism 2 comprises a first push plate 21, a first push rod 22 and a first driving member 25 fixedly connected to the fixed frame 1, the first driving member 25 is drivingly connected to the first push plate 21, the number of the first push rods 22 is multiple, and the multiple first push rods 22 are arranged at intervals, one end of the first push rod 22 is connected to the first push plate 21, and the other end of the first push rod 22 is provided with a first material picking member 23 for transporting nuts, the first driving member 25 is used to drive the first material picking member 23 to move into the mold cavity of the injection molding machine 6 and push the nut into the mold cavity of the injection molding machine 6 to carry out a new round of nut embedding injection molding.

[0025] The material picking fixture for an injection molding machine of the utility model has a simple structure and occupies a small area. The two ends of the fixed frame 1 are respectively connected to the external mobile device and the clamping mechanism, and one side of the fixed frame 1 is connected to the first material picking mechanism 2. It has strong functionality. When in use, the injection molding machine 6 opens the mold, and the external mobile device drives the fixed frame 1 to move into the mold cavity of the injection molding machine 6. The clamping mechanism clamps the workpiece 8 in the mold cavity of the injection molding machine 6 that has been injection molded after the previous round of nuts are pre-embedded and takes the workpiece 8 away from the mold cavity of the injection molding machine 6. Then, the first material picking mechanism 2 pre-embeds a new round of nuts in the mold cavity of the injection molding machine 6. The external mobile device continues to drive the fixed frame 1 to move until the first push plate 21 faces the mold cavity of the injection molding machine 6, and the first driving member 25 drives the first push plate 21 to move into the mold cavity of the injection molding machine 6, driving multiple first push rods 22 to move into the mold cavity of the injection molding machine 6, until multiple first material picking members 23 push the corresponding nuts into the mold cavity of the injection molding machine 6. And there are multiple first push rods 22, which can realize the simultaneous embedding of multiple nuts, and the clamping mechanism quickly clamps the workpiece 8 that has been injection molded after the nut embedding in the previous round before the embedding of a new round of nuts and takes the workpiece 8 away from the mold cavity of the injection molding machine 6, which is convenient for the first material taking mechanism 2 to carry out a new round of nut embedding of the injection molding machine 6. The clamping mechanism clamps the injection molded workpiece 8 and the first material taking mechanism 2 is properly connected before and after the nut embedding of the injection molding machine 6, which greatly improves the efficiency of the nut in-mold injection molding production and realizes mass production of products.

[0026] Furthermore, the injection molding machine 6 includes a first template 61 and a second template 62 arranged on one side of the first template 61. A station for a material picking fixture is provided between the first template 61 and the second template 62, that is, the material picking fixture is located between the first template 61 and the second template 62, which is convenient for pre-embedded injection molding of nuts. The first template 61 is provided with a plurality of first nut holes 611, and the plurality of first nut holes 611 are arranged at intervals. The first driving member 25 is used to drive the first material picking member 23 to move into the first nut hole 611 and push the nut into the first nut hole 611. The external mobile device is used to drive the fixed frame 1 to move or move away from the station of the material picking fixture, with a compact structure and a small occupied area. In this embodiment, the first push rod 22 is arranged one-to-one with the first nut hole 611, so that multiple nuts can be pre-embedded at the same time. The external mobile device is a manipulator, which is convenient for moving the fixed frame 1 and is easy to operate.

[0027] Furthermore, the material picking fixture for the injection molding machine also includes a second material picking mechanism 3 connected to the side of the fixed frame 1 away from the first material picking mechanism 2, that is, the first material picking mechanism 2 and the second material picking mechanism 3 are respectively provided on both sides of the fixed frame 1, the second template 62 is provided with a plurality of second nut holes 621, the second material picking mechanism 3 includes a second push plate 31, a second push rod 32 and a second driving member 35 fixedly connected to the fixed frame 1, the second driving member 35 is drivingly connected to the second push plate 31, the number of the second push rods 32 is multiple, one end of the second push rod 32 is connected to the second push plate 31, the other end of the second push rod 32 is provided with a second material picking member 33 for transporting nuts, the second driving member 35 is used to drive the second material picking member 33 to move into the second nut hole 621 and push the nut into the second nut hole 621. In this embodiment, the first material picking mechanism 2 and the second material picking mechanism 3 operate simultaneously. When the external mobile device drives the fixed frame 1 to move until the first push plate 21 faces the mold cavity of the first template 61 and the second push plate 31 faces the mold cavity of the second template 62, the second driving member 35 drives the second push plate 31 to move into the mold cavity of the second template 62, driving multiple second push rods 32 to move into the mold cavity of the second template 62 until multiple second material picking members 33 push the corresponding nuts into the second nut holes 621. There are multiple second push rods 32, which can realize the simultaneous pre-embedding of multiple nuts, and at the same time, the nuts of the first template 61 and the second template 62 are pre-embedded at the same time, thereby quickly improving the efficiency of nut in-mold injection molding production.

[0028] In this embodiment, the nuts on the first picking member 23 and the second picking member 33 are picked up by a vibrating plate.

[0029] Furthermore, the first material picking mechanism 2 further includes a first positioning column 24, the first template 61 is provided with a first positioning hole 612, one end of the first positioning column 24 is connected to the fixing frame 1, the other end of the first positioning column 24 extends into the first positioning hole 612, and the first positioning column 24 is inserted into the first positioning hole 612. The mutual cooperation between the first positioning column 24 and the first positioning hole 612 facilitates the rapid positioning of the first material picking structure, so that the first picking piece is quickly inserted into the corresponding first nut hole 611, and the efficiency of the nut in-mold injection molding production is quickly improved.

[0030] Furthermore, the second material picking mechanism 3 further includes a second positioning column 34, the second template 62 is provided with a second positioning hole 622, one end of the second positioning column 34 is connected to the fixing frame 1, the other end of the second positioning column 34 extends into the second positioning hole 622, and the second positioning column 34 is inserted into the second positioning hole 622. The mutual cooperation between the second positioning column 34 and the second positioning hole 622 facilitates the rapid positioning of the second material picking structure, so that the second picking piece is quickly inserted into the corresponding second nut hole 621, and the efficiency of the nut in-mold injection molding production is quickly improved.

[0031] Furthermore, the clamping mechanism includes a third driving member 4 and a suction cup assembly 5 driven and connected to the third driving member 4. The third driving member 4 is fixedly connected to the fixed frame 1. The third driving member 4 is used to drive the suction cup assembly 5 to move into the mold cavity of the injection molding machine 6 and absorb the workpiece 8 that has been injection molded, so that the first material picking mechanism 2 and the second material picking mechanism 3 can perform a new round of nut pre-embedding on the injection molding machine 6. The operation is simple, convenient and fast. Specifically, the injection molding machine 6 opens the mold, that is, the first template 61 and the second template 62 are separated, and the external mobile device drives the fixed frame 1 to move into the mold cavity between the first template 61 and the second template 62. The third driving member 4 drives the suction cup assembly 5 to move into the mold cavity between the first template 61 and the second template 62, and absorbs the workpiece 8 that has been injection molded after the previous round of nut pre-embedding; then the first material picking mechanism 2 and the second material picking mechanism 3 respectively pre-embed the nuts in the mold cavities of the first template 61 and the second template 62, and the external mobile device continues to drive the fixed frame 1 to move until the first push plate 21 faces the mold cavity of the first template 61, so as to prevent the workpiece 8 from being injection molded after the previous round of nut pre-embedding. And the second push plate 31 faces the mold cavity of the second template 62, the first driving member 25 drives the first push plate 21 to move into the mold cavity of the injection molding machine 6, driving the multiple first push rods 22 to move into the mold cavity of the injection molding machine 6, until the multiple first material picking members 23 push the corresponding nuts into the first nut holes 611; at the same time, the second driving member 35 drives the second push plate 31 to move into the mold cavity of the second template 62, driving the multiple second push rods 32 to move into the mold cavity of the second template 62, until the multiple second material picking members 33 push the corresponding nuts into the second nut holes 621, completing the pre-embedding of nuts in the mold cavities of the first template 61 and the second template 62.

[0032] Furthermore, the suction cup assembly 5 includes a suction cup hand 51 and a fixed plate 52 driven by the third driving member 4, the fixed plate 52 is provided with a limiting hole 521, one end of the suction cup hand 51 can be inserted into the corresponding limiting hole 521, and the other end of the suction cup hand 51 extends into the mold cavity of the injection molding machine 6 and is used to suck the injection-molded workpiece 8. Specifically, the external mobile device drives the fixed frame 1 to move until the fixed plate 52 is located in the mold cavity between the first template 61 and the second template 62, and the third driving member 4 drives the fixed plate 52 to move toward the workpiece 8, and drives the suction cup hand 51 to move until the suction cup hand 51 sucks the injection-molded workpiece 8 and takes the workpiece 8 away from the mold cavity of the injection molding machine 6. The operation is simple.

[0033] Furthermore, the plurality of limiting holes 521 are arranged in a rectangular array, and the number of the suction cup hands 51 is multiple, and the plurality of suction cup hands 51 are distributed in a diagonal direction on the fixed plate 52, that is, a part of the suction cup hands 51 can clamp one side of the upper part of the workpiece 8, and another part of the suction cup hands 51 can clamp the other side of the lower part of the workpiece 8. The clamping is firm and the workpiece 8 of different sizes can be sucked, with a wide range of applications.

[0034] Furthermore, the material picking fixture for the injection molding machine also includes a fourth driving member 7 that is drivingly connected to the fixed frame 1, and the fourth driving member 7 is used to be fixedly connected to the external mobile device, and the fourth driving member 7 is used to drive the fixed frame 1 to rotate relative to the external mobile device. The fourth driving member 7 drives the fixed frame 1 to rotate, which facilitates the material picking fixture to approach the vibration plate, so that the first picking member 23 of the first picking mechanism 2 and the second picking member 33 of the second picking mechanism 3 can obtain the nut, and it is also convenient to move the workpiece 8 to the next step, and the operation is simple.

[0035] Furthermore, the material taking fixture for the injection molding machine also includes a control device, and the first driving member 25, the second driving member 35, the third driving member 4 and the fourth driving member 7 are all connected to the control device for stable operation. In this embodiment, the first driving member 25, the second driving member 35, the third driving member 4 and the fourth driving member 7 are all cylinders.

[0036] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A material taking fixture for an injection molding machine, characterized in that: The invention comprises a fixing frame (1), a clamping mechanism and a first material picking mechanism (2) connected to one side of the fixing frame (1), one end of the fixing frame (1) is used to be connected to an external mobile device, the other end of the fixing frame (1) is connected to the clamping mechanism, and the clamping mechanism is used to clamp a workpiece (8) which is injection molded after a nut is pre-embedded in a mold cavity of an injection molding machine (6); the first material picking mechanism (2) comprises a first push plate (21), a first push rod (22) and a first driving member (25) fixedly connected to the fixing frame (1), the first driving member (25) is drivingly connected to the first push plate (21), the number of the first push rods (22) is multiple, one end of the first push rod (22) is connected to the first push plate (21), the other end of the first push rod (22) is provided with a first material picking member (23) for transporting the nut, and the first driving member (25) is used to drive the first material picking member (23) to move into the mold cavity of the injection molding machine (6) and push the nut into the mold cavity of the injection molding machine (6).

2. The material taking fixture for injection molding machine according to claim 1, characterized in that: The injection molding machine (6) comprises a first template (61) and a second template (62) arranged on one side of the first template (61); a station for a material picking fixture is arranged between the first template (61) and the second template (62); the first template (61) is provided with a first nut hole (611); the first driving member (25) is used to drive the first material picking member (23) to move into the first nut hole (611) and push the nut into the first nut hole (611).

3. The material taking fixture for injection molding machine according to claim 2, characterized in that: The invention also comprises a second material picking mechanism (3) connected to a side of the fixing frame (1) away from the first material picking mechanism (2); the second template (62) is provided with a plurality of second nut holes (621); the second material picking mechanism (3) comprises a second push plate (31), a second push rod (32) and a second driving member (35) fixedly connected to the fixing frame (1); the second driving member (35) is drivingly connected to the second push plate (31); the number of the second push rods (32) is multiple; one end of the second push rod (32) is connected to the second push plate (31); the other end of the second push rod (32) is provided with a second material picking member (33) for transporting nuts; the second driving member (35) is used to drive the second material picking member (33) to move into the second nut hole (621) and push the nut into the second nut hole (621).

4. The material taking fixture for an injection molding machine according to claim 2, characterized in that: The first material picking mechanism (2) also includes a first positioning column (24), the first template (61) is provided with a first positioning hole (612), one end of the first positioning column (24) is connected to the fixing frame (1), the other end of the first positioning column (24) extends into the first positioning hole (612), and the first positioning column (24) is inserted into the first positioning hole (612).

5. The material taking fixture for injection molding machine according to claim 3, characterized in that: The second material picking mechanism (3) also includes a second positioning column (34), the second template (62) is provided with a second positioning hole (622), one end of the second positioning column (34) is connected to the fixing frame (1), the other end of the second positioning column (34) extends into the second positioning hole (622), and the second positioning column (34) is inserted into the second positioning hole (622).

6. The material taking fixture for injection molding machine according to claim 3, characterized in that: The clamping mechanism comprises a third driving member (4) and a suction cup assembly (5) drivingly connected to the third driving member (4); the third driving member (4) is fixedly connected to a fixed frame (1); the third driving member (4) is used to drive the suction cup assembly (5) to move into a mold cavity of an injection molding machine (6) and absorb an injection-molded workpiece (8).

7. The material taking fixture for an injection molding machine according to claim 6, characterized in that: The suction cup assembly (5) comprises a suction cup hand (51) and a fixing plate (52) drivingly connected to a third driving member (4); the fixing plate (52) is provided with a limiting hole (521); one end of the suction cup hand (51) can be plugged into the corresponding limiting hole (521); the other end of the suction cup hand (51) extends into a mold cavity of an injection molding machine (6) and is used to suck up an injection-molded workpiece (8).

8. The material taking fixture for injection molding machine according to claim 7, characterized in that: The plurality of limiting holes (521) are arranged in a rectangular array, the number of the suction cup hands (51) is multiple, and the plurality of suction cup hands (51) are distributed in a diagonal direction on the fixing plate (52).

9. The material taking fixture for an injection molding machine according to claim 6, characterized in that: It also comprises a fourth driving member (7) drivingly connected to the fixing frame (1), the fourth driving member (7) being used for being fixedly connected to an external moving device, and the fourth driving member (7) being used for driving the fixing frame (1) to rotate relative to the external moving device.

10. The material taking fixture for an injection molding machine according to claim 9, characterized in that: It also comprises a control device, and the first driving member (25), the second driving member (35), the third driving member (4) and the fourth driving member (7) are all connected to the control device.

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