Pick-up mechanism of injection molding machine

Abstract

The utility model discloses a piece taking mechanism of an injection molding machine, belongs to the technical field of grabbing mechanisms, and provides the piece taking mechanism of the injection molding machine, which is simpler in structure, and comprises a guide frame, a movable slider is arranged on the guide frame, the slider is movably connected with a lifting column, and a traction frame is arranged at the end part of the lifting column; the bottom of the traction frame is rotationally connected with a configuration frame, an air cylinder is connected between the back face of the configuration frame and the back face of the traction frame, a negative pressure assembly is arranged on the configuration frame and comprises a suction cup located on the front face of the configuration frame, and the air cylinder is suitable for driving the configuration frame to enable the suction cup to be switched between the horizontal direction and the vertical direction. According to the device, an air cylinder structure hinged to the configuration frame and the traction frame is arranged between the configuration frame and the traction frame which are rotationally connected, so that the taken-out formed parts can be rotated from the vertical direction to the horizontal direction, the formed parts can be well stacked in a material box like manual operation, the labor cost is reduced, and meanwhile, the working safety is improved; the design structure is simpler, and the use cost is lower.

Description

Technical Field

[0001] The present application relates to the technical field of gripping mechanisms, and in particular to a gripping mechanism for an injection molding machine. Background Art

[0002] After injection molding, the surface temperature of the molded part is still relatively high. Workers need to wear gloves to remove the molded part from the mold cavity, but this is still troublesome and poses a safety hazard. The existing injection molding machine's part removal mechanism has the problems of complex structure and high cost of use. Summary of the Invention

[0003] The purpose of this application is to provide an injection molding machine taking-out mechanism with a simpler structure.

[0004] To achieve the above objectives, the present application provides an injection molding machine picking mechanism: comprising a guide frame, a movable slider is provided on the guide frame, the slider is movably connected to a lifting column, a traction frame is provided at the end of the lifting column, the bottom of the traction frame is rotatably connected to a configuration frame, a cylinder is connected between the back side of the configuration frame and the back side of the traction frame, a negative pressure component is provided on the configuration frame, the negative pressure component includes a suction cup located on the front side of the configuration frame, and the cylinder is suitable for driving the configuration frame to switch the suction cup between the horizontal direction and the vertical direction, thereby adjusting the direction of the injection molded parts so that the injection molded parts can be better stacked.

[0005] As a preferred embodiment, the configuration frame includes a front plate and a rear plate, and a plurality of through holes corresponding to positions are opened on the front plate and the rear plate. A negative pressure cylinder is fixedly connected to the front plate and the rear plate in the through holes. The front end of the negative pressure cylinder is connected to a suction cup through an air pipe, and the rear end of the negative pressure cylinder is connected to a connecting cabin, which is suitable for connecting with an external pipe of the air pressure system, so as to extract the air in the negative pressure cylinder and form a negative pressure environment.

[0006] As a preferred embodiment, the front plate and the rear plate are commonly fixedly connected to a second articulated frame, the traction frame includes a horizontal plate fixedly connected to the lower end of the lifting column, the front side of the horizontal plate has a vertical plate, and the back side of the lower end of the vertical plate has a first articulated frame, which is suitable for being rotatably connected to the second articulated frame through a main articulated axis, thereby limiting the freedom of movement of the configuration frame relative to the traction frame.

[0007] As a preferred embodiment, the lower surface of the horizontal plate has an upper articulated frame, the back of the rear plate has a lower articulated frame, the upper end of the cylinder is rotatably connected to the upper articulated frame through an upper articulated shaft, and the lower end of the cylinder is rotatably connected to the lower articulated frame through a lower articulated shaft, so that the cylinder can adapt to changes in its own angle when extending and retracting.

[0008] As a preference, the lower surface of the longitudinal plate has a baffle suitable for providing vertical positioning for the configuration frame; the front plate and the rear plate are provided with a load-reducing groove in the center, which reduces consumables and lowers the dead weight while ensuring structural strength, thereby achieving lightweighting.

[0009] Preferably, the guide frame includes a guide rail, and the slider includes a horizontal tractor cooperating with the guide rail, suitable for allowing the entire slider to slide horizontally along the guide rail, thereby moving the molded part away from above the injection molding machine and to above the material box.

[0010] As a preference, the slider further comprises a vertical tractor fixedly connected to the horizontal tractor, adapted to drive the lifting column to move up and down to remove the molded part from between the two molds of the injection molding machine.

[0011] As a preference, connecting plates are fixedly connected to both ends of the guide rail, and the upper end of the lifting column is located above the vertical tractor and is fixedly connected to a limit plate for limiting the maximum lifting distance of the lifting column.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] (1) By arranging a similarly hinged cylinder structure between the rotatably connected configuration frame and the traction frame, the taken-out molded parts can be rotated from the vertical direction to the horizontal direction of the box, so that they can be well stacked in the material box just like manual operation, reducing labor costs and improving work safety;

[0014] (2) The cylinder and negative pressure components in this design are both driven by air pressure, which makes the configuration structure of the pickup mechanism simpler, with higher fault tolerance and lower operating cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the first stereoscopic schematic diagram of the overall structure of the injection molding machine's pick-up mechanism.

[0016] Figure 2 This is the second stereoscopic schematic diagram of the overall structure of the injection molding machine's pick-up mechanism.

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the connection between the traction frame and the slider of the injection molding machine's pickup mechanism.

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the connection between the configuration frame and the traction frame of the injection molding machine's pickup mechanism.

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the traction frame of the injection molding machine's pickup mechanism.

[0020] Figure 6This is a first three-dimensional structural schematic diagram of the negative pressure component of the injection molding machine's pickup mechanism arranged on the configuration frame.

[0021] Figure 7 This is a second three-dimensional structural schematic diagram of the negative pressure component of the injection molding machine's pickup mechanism arranged on the configuration frame.

[0022] Figure 8 This is a schematic diagram of the three-dimensional structure of the configuration frame of the injection molding machine's pickup mechanism.

[0023] In the figure: 1. Guide frame; 101. Connecting plate; 102. Guide rail; 2. Slider; 201. Horizontal tractor; 202. Vertical tractor; 3. Lifting column; 301. Limiting plate; 4. Traction frame; 401. Horizontal plate; 402. Longitudinal plate; 403. Upper articulated frame; 404. First articulated frame; 405. Baffle; 5. Cylinder; 501. Upper articulated shaft; 502. Lower articulated shaft; 6. Configuration frame; 601. Rear plate; 602. Front plate; 603. Through hole; 604. Load-reducing groove; 605. Lower articulated frame; 606. Second articulated frame; 7. Negative pressure assembly; 701. Connecting cabin; 702. Negative pressure cylinder; 703. Air pipe; 704. Suction cup; 8. Main articulated shaft. DETAILED DESCRIPTION

[0024] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0025] In the description of this application, it should be noted that for directional words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, the directions and positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of this application.

[0026] It should be noted that the terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0027] The terms "comprises" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units expressly listed, but may include other steps or units not expressly listed or inherent to such process, method, product or apparatus.

[0028] like Figure 1-8 The injection molding machine pickup mechanism shown includes a fixed guide frame 1, a movable slider 2 is provided on the guide frame 1, and the slider 2 has at least two sets of motors and reducer mechanisms inside. The guide frame 1 includes a horizontal guide rail 102, and the slider 2 includes a horizontal tractor 201 that cooperates with the guide rail 102. The horizontal tractor 201 is an independent unit and has a set of motors and reducers inside. The output end of the weapon reducer is fixedly connected to a gear structure, and the outer side surface of the guide rail 102 is provided with a tooth groove. The gear and the tooth groove cooperate to allow the entire slider 2 to slide horizontally along the guide rail 102. The two ends of the guide rail 102 are fixedly connected with a connecting plate 101 for connection with bolts, etc. The parts pass through to fix the entire guide frame 1 on the rack or the roof of the factory building. The slider 2 is movably connected to the vertical lifting column 3. The slider 2 also includes a vertical tractor 202 fixedly connected to the horizontal tractor 201. Similarly, the vertical tractor 202 also has a set of matching motors and reducers, and the output end of the reducer is fixedly connected to a gear. The outer surface of the corresponding lifting column 3 is also provided with a tooth groove structure, which cooperates with the gear, so that the motor can drive the lifting column 3 to move up and down through the reducer. The upper end of the lifting column 3 is located above the vertical tractor 202 and is fixedly connected to the limit plate 301 to prevent the lifting column 3 from detaching from the vertical tractor 202 due to excessive load.

[0029] A traction frame 4 is provided at the end of the lifting column 3. Specifically, the traction frame 4 includes a horizontal plate 401 fixedly connected to the lower end of the lifting column 3. The front side of the horizontal plate 401 has a longitudinal plate 402, and the longitudinal plate 402 is perpendicular to the horizontal plate 401. The bottom of the traction frame 4 is rotatably connected to the configuration frame 6. The configuration frame 6 can rotate within a range of 90 degrees between the horizontal and vertical directions. A negative pressure component 7 is provided on the configuration frame 6. The negative pressure component 7 includes a suction cup 704 located on the front side of the configuration frame 6. The suction cup 704 is made of rubber material and is used to directly contact the molded injection molded part. The configuration frame 6 includes a front plate 602 and a rear plate 601 parallel to each other. The front plate 602 and the rear plate 601 are provided with a number of through holes 603 corresponding to the positions. In this embodiment, the through holes 603 have Four are located at the four corners of the quadrilateral configuration frame 6. The front plate 602 and the rear plate 601 are fixedly connected with a negative pressure cylinder 702 in the through hole 603, and the interior thereof can produce an environment lower than the external atmospheric pressure. The front end of the negative pressure cylinder 702 is connected with a suction cup 704 through an air pipe 703, thereby transmitting the negative pressure to the suction cup 704, allowing the suction cup 704 to suck the injection molded part tightly. The rear end of the negative pressure cylinder 702 is commonly connected with a connecting cabin 701, which can be connected to the external pipe of the air pressure system, so that negative pressure is generated synchronously in all the negative pressure cylinders 702. A load-reducing groove 604 is provided in the center of the front plate 602 and the rear plate 601. Under the premise of ensuring the structural strength, consumables are reduced and the dead weight is reduced, so that the entire picking mechanism has better lightweight.

[0030] The front plate 602 and the rear plate 601 are fixedly connected to the second hinge frame 606 at their upper edges in the vertical direction. The lower back of the longitudinal plate 402 has a first hinge frame 404, which can be rotatably connected to the second hinge frame 606 through the main hinge shaft 8. The back of the configuration frame 6 and the back of the traction frame 4 are connected with a cylinder 5. In fact, the lower surface of the horizontal plate 401 also has an upper hinge frame 403, and the back of the rear plate 601 also has a lower hinge frame 605. The upper end of the cylinder 5 is connected to the upper hinge shaft 501. The lower end of the cylinder 5 is rotatably connected to the upper articulated frame 403, and the lower end of the cylinder 5 is rotatably connected to the lower articulated frame 605 through the lower articulated shaft 502, so that the cylinder 5 can drive the configuration frame 6 to switch the suction cup 704 between the horizontal direction and the vertical direction, thereby removing the vertical injection molded parts from the mold cavity of the injection molding machine, and then turning them to the horizontal direction for release. The lower surface of the longitudinal plate 402 has a baffle 405 for providing vertical positioning for the configuration frame 6, and the horizontal direction of the configuration frame 6 is provided with positioning by the contraction limit of the cylinder 5.

[0031] Working principle: When the injection molding machine opens the mold, the lifting column 3 at the upper limit is driven by the vertical tractor 202 to descend until the configuration frame 6 at the horizontal position reaches between the two molds. When the cylinder 5 extends, the configuration frame 6 rotates from the horizontal direction to the vertical direction. When the configuration frame 6 reaches the vertical direction, the suction cup 704 contacts the surface of the molded injection molded part, and the external air pressure system extracts the air from the negative pressure cylinder 702. The injection molded part is pressed against the end face of the suction cup 704 by the external atmosphere. The cylinder 5 contracts slightly, and the suction cup 704 is pressed against the end face of the suction cup 704. 04 can pull the injection molded part in the mold cavity, and then move it upward under the traction of the vertical tractor 202, leave the two molds of the injection molding machine, and then move it to the material box and then descend under the drive of the horizontal tractor 201. At the same time, the cylinder 5 shrinks to the limit position, so that the configuration frame 6 and the injection molded part are level, and finally the air in the negative pressure cylinder 702 is returned. The injection molded part will fall into the material box under the action of its own gravity. All the injection molded parts are placed flat in this way, and the storage space in the material box can be fully utilized.

[0032] The above describes the basic principles, main features, and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-described embodiments. The above-described embodiments and the specification merely illustrate the principles of the present application. Various changes and improvements may be made to the present application without departing from the spirit and scope of the present application. These changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A take-out mechanism for an injection molding machine, characterized in that: The invention comprises a guide frame (1), wherein a movable slider (2) is provided on the guide frame (1), wherein the slider (2) is movably connected to a lifting column (3), wherein a traction frame (4) is provided at the end of the lifting column (3), wherein the bottom of the traction frame (4) is rotatably connected to a configuration frame (6), wherein a cylinder (5) is connected between the back side of the configuration frame (6) and the back side of the traction frame (4), wherein a negative pressure component (7) is provided on the configuration frame (6), wherein the negative pressure component (7) comprises a suction cup (704) located on the front side of the configuration frame (6), and wherein the cylinder (5) is suitable for driving the configuration frame (6) to switch the suction cup (704) between a horizontal direction and a vertical direction.

2. The injection molding machine removal mechanism according to claim 1, characterized in that: The configuration frame (6) includes a front plate (602) and a rear plate (601), and the front plate (602) and the rear plate (601) are provided with a plurality of through holes (603) corresponding to the positions thereof. The front plate (602) and the rear plate (601) are fixedly connected with a negative pressure cylinder (702) in the through holes (603). The front end of the negative pressure cylinder (702) is connected with a suction cup (704) via an air pipe (703), and the rear end of the negative pressure cylinder (702) is connected with a connecting cabin (701) suitable for connecting with an external pipe of the air pressure system.

3. The injection molding machine taking-out mechanism according to claim 2, characterized in that: The front plate (602) and the rear plate (601) are fixedly connected to a second articulated frame (606); the traction frame (4) comprises a transverse plate (401) fixedly connected to the lower end of the lifting column (3); the front side of the transverse plate (401) comprises a longitudinal plate (402); the back side of the lower end of the longitudinal plate (402) comprises a first articulated frame (404) adapted to be rotatably connected to the second articulated frame (606) via a main articulated shaft (8).

4. The injection molding machine taking-out mechanism according to claim 3, characterized in that: The lower surface of the transverse plate (401) is provided with an upper hinge frame (403), the back surface of the rear plate (601) is provided with a lower hinge frame (605), the upper end of the cylinder (5) is rotatably connected to the upper hinge frame (403) via an upper hinge shaft (501), and the lower end of the cylinder (5) is rotatably connected to the lower hinge frame (605) via a lower hinge shaft (502).

5. The injection molding machine taking-out mechanism according to claim 4, characterized in that: The lower surface of the longitudinal plate (402) is provided with a baffle (405) suitable for providing vertical positioning for the configuration frame (6); the front plate (602) and the rear plate (601) are provided with a load-reducing groove (604) in the center.

6. The injection molding machine take-out mechanism according to any one of claims 1 to 5, characterized in that: The guide frame (1) includes a guide rail (102), and the slider (2) includes a horizontal tractor (201) that cooperates with the guide rail (102) and is suitable for allowing the entire slider (2) to slide horizontally along the guide rail (102).

7. The injection molding machine taking-out mechanism according to claim 6, characterized in that: The slider (2) further comprises a vertical tractor (202) fixedly connected to the horizontal tractor (201), which is suitable for driving the lifting column (3) to move up and down.

8. The injection molding machine taking-out mechanism according to claim 7, characterized in that: Both ends of the guide rail (102) are fixedly connected to a connecting plate (101); the upper end of the lifting column (3) is located above the vertical tractor (202) and is fixedly connected to a limiting plate (301).

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