CN215703761U

CN215703761U - Quick demoulding and taking-out device for injection molding piece

Info

Publication number: CN215703761U
Application number: CN202121750616.2U
Authority: CN
Inventors: 沈乐
Original assignee: Xiamen Taiya Plastic Co ltd
Current assignee: Xiamen Taiya Plastic Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-01
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a quick demoulding and taking-out device for injection molding parts, which comprises a base plate, wherein the left side and the right side of the base plate are respectively provided with a side plate, the left edge and the right edge of the front surface of the base plate are respectively provided with a row of positioning columns, and the inner side surfaces of the side plates are provided with a row of rubber buffer pads in positions corresponding to the positioning columns on the corresponding sides one by one; the left side and the right side of the back surface of the base plate are respectively provided with a cylinder for actuating the side plates to move towards or away from each other, and the center of the back surface of the base plate is also provided with a pneumatic clamping jaw for clamping or loosening the plastic rod of the pouring gate; the two side plates actuated by the cylinder move towards or away from each other so that the rubber cushion can be pressed or separated from the outer wall of the plastic component sleeved on the positioning column; the utility model moves to a workpiece taking position, so that the demoulding port of the plastic component on the whole injection molding part is sleeved on the positioning column for positioning, the rubber cushion and the positioning column are matched with air pressure to clamp the plastic component through the air cylinder, and the pneumatic clamping jaw clamps the plastic rod at the pouring port.

Description

Quick demoulding and taking-out device for injection molding piece

Technical Field

The utility model relates to a device for taking plastic components out of an injection mold in batches, in particular to a device for quickly demoulding and taking out injection molded parts, which is arranged on an automatic three-dimensional motion mechanical arm.

Background

After the plastic components such as valve casings of taps, water pipe joints and the like are produced by injection molding of materials such as molten PVC, PP, PE and the like by an injection molding machine, after the plastic components are rapidly cooled and molded after injection molding, a plastic pouring port of each mold pit, a channel communicated with each molding mold pit and the plastic components molded by the molding mold pits are connected to form a latticed full-page injection molding part, a movable mold plate is linearly separated from a static mold plate to form a part taking space, a plastic plate molded by the pouring port is generally pulled, the full-page injection molding part is pulled out from the movable mold plate and then is moved to an operation table top, leftover materials attached to the plastic workpiece are manually cut by scissors (the leftover materials are redundant materials formed by the communicating channel between the pouring port and the molding mold pits), and the molded plastic components can be obtained in batches. The injection molding and taking method has the following problems: firstly, the manual fetching and carrying efficiency of injection molding parts is low, the time for die assembly and injection molding of a movable template and a static template is greatly prolonged, the injection molding production efficiency is influenced, and the efficiency for manually shearing off leftover materials to obtain plastic components is also low; the safety of manual workpiece taking is low, the injection molding machine is used for a long time, mechanical faults or electrical faults are inevitable, and if the workpiece is taken manually, the movable template and the static template are suddenly matched, so that production accidents are caused to endanger the life safety of workers; the operation mode that the plastic piece is got in the drawing of patterns of insisting on moulding plastics is traditional, is unfavorable for the automation equipment transformation of moulding plastics, drawing of patterns, getting the piece and cutting of plastic piece, and is counter-violation with the era background of plastics industry intelligent manufacturing.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a quick demoulding and taking-out device for an injection molding component, which is arranged on an automatic three-dimensional motion mechanical arm at one side of an injection molding machine, can extend into a component taking position after a movable template and a static template are separated, and can pull out a full-page injection molding component from a mould and safely transfer the injection molding component by pressing the surface of the plastic component through a dot-matrix soft clamp and clamping a sprue post formed by a sprue, so that the injection molding component taking efficiency and safety of injection molding are greatly improved, and the intelligent production of plastic workpieces can be realized.

In order to achieve the above object, the present invention provides a device for rapidly removing a mold from an injection-molded part, comprising a substrate, characterized in that: the left side and the right side of the base plate are respectively provided with a side plate, the left edge and the right edge of the front surface of the base plate are respectively provided with a row of positioning columns, and the positions of the positioning columns on the corresponding sides on the inner side surfaces of the side plates in a one-to-one correspondence mode are provided with a row of rubber buffer pads; the left side and the right side of the back surface of the base plate are respectively provided with a cylinder for actuating the side plates to move towards or away from each other, and the center of the back surface of the base plate is also provided with a pneumatic clamping jaw for clamping or loosening the plastic rod of the pouring gate; the two side plates actuated by the cylinder move towards or away from each other, so that the rubber cushion can be pressed against or separated from the outer wall of the plastic component sleeved on the positioning column.

The positioning column is of a cylindrical or cylindrical structure, and the outer wall of the positioning column can be sleeved with the demoulding cavity opening of the plastic component. The utility model utilizes the characteristic that a positioning column matched with the demoulding cavity opening is used for positioning the plastic component needing to be taken out.

The rubber buffer pad is composed of a connecting seat connected with a side plate and a corrugated air compression rubber disc fixed on the connecting seat, wherein the disc opening of the corrugated air compression rubber disc faces to the side face of the positioning column. When the disc opening of the corrugated air compression rubber disc is pressed against the surface of the plastic component positioned by the positioning column, the disc opening is pressed with the surface of the plastic component in a soft pressing and traceless manner, the corrugated section of the corrugated air compression rubber disc is compressed, and air pressure generated in the corrugated air compression rubber disc presses the plastic component on the positioning column, so that the plastic component cannot be pulled out of the positioning column.

The utility model has four cylinders, the inner side surfaces of two ends of each side plate are respectively connected with two cylinders, and each cylinder comprises a cylinder rod capable of moving linearly and an adapter piece fixed at the outer end of the cylinder rod and fixedly connected with the inner wall of the side plate. The cylinder rod of the cylinder extends to enable the two side plates to move away from the straight line, and the rubber cushion pad moves away from the positioning column; the cylinder rod of the cylinder retracts to enable the two side plates to move linearly in opposite directions, and the rubber cushion pad moves towards the positioning column.

Two linear bearings which guide the side plates to move linearly in the opposite direction and in the opposite direction are arranged between the two side plates and the base plate. The linear bearing can ensure that the side plates linearly and smoothly move in the opposite direction or back to back without generating any jamming phenomenon.

Furthermore, the linear bearing comprises a sliding bearing fixed on the base plate and a sliding shaft vertically fixed on the inner side surface of the side plate, wherein the sliding shaft is sleeved in the sliding bearing and is in axial sliding fit. The linear bearing belongs to a sliding pair, and can be replaced by a sliding block and a sliding rail, and the technical effects are equal.

The base plate and the side plate are made of aluminum or aluminum alloy; the base plate and the side plate are preferably made of aluminum alloy materials, so that the requirements of the utility model on structural rigidity and light weight are met.

The air cylinder and the pneumatic clamping jaw are both connected with an air pipe which can be externally connected with an air pressure control source, and the starting and stopping states of the air cylinder and the pneumatic clamping jaw can be controlled through the external air pressure control source.

The positioning column in one row consists of eight positioning columns which are evenly spaced; one row of rubber cushions consists of eight evenly spaced rubber cushions. The design is determined according to the number of the component pits to be poured by the injection mold.

The utility model has the beneficial effects that: the utility model is arranged at the position of moving to a part taking position through a three-dimensional movement mechanism arm, so that the demoulding port of a plastic component on the whole injection molding part is sleeved on the positioning column for positioning, the rubber buffer pads on the two side plates are actuated by the air cylinder to move towards the positioning column, the rubber buffer pads and the positioning column are matched with air pressure to clamp the plastic component, a pouring port plastic rod is clamped by the pneumatic clamping jaw, then the utility model is moved, the whole injection molding part is pulled out of the mold and taken off the mold and is moved out of the injection molding machine, and the part taking is efficient and safe.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic diagram of the back structure of the present invention.

Fig. 3 is a schematic bottom view of the present invention.

Fig. 4 is a schematic structural diagram of the working state transition of the present invention.

FIG. 5 is a schematic drawing showing the removal of the injection molded parts of the present invention mounted on a three-dimensional motion robot arm.

The figures in the drawings are identified as: 10. a substrate; 20. a side plate; 30. a positioning column; 40. a rubber cushion pad; 41. a connecting seat; 42. a corrugated air-compressing rubber disc; 50. a cylinder; 51. a cylinder rod; 52. an adapter: 60. an air tube; 70. a pneumatic clamping jaw; 80. a linear bearing; 81. a sliding bearing; 82. a slide shaft; 100. a three-dimensional motion mechanism arm; 200. a plastic member; 201. a sprue gate plastic rod.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 5, the device for rapidly demoulding and taking out an injection molded part comprises a base plate 10 made of an aluminum alloy material, side plates 20 made of an aluminum alloy material are respectively arranged on the left and right sides of the base plate 10, a row of positioning columns 30 are respectively arranged on the left and right edges of the front surface of the base plate 10, the positioning columns 30 are in a cylindrical or cylindrical structure, the outer walls of the positioning columns 30 can be sleeved with demoulding cavities of plastic components 200, and a row of rubber cushions 40 are arranged on the inner side surfaces of the side plates 20 corresponding to the positioning columns 30 on the corresponding sides one by one; the left side and the right side of the back of the base plate 10 are respectively provided with a cylinder 50 for actuating the side plates 20 to move towards or away from each other, the center of the back of the base plate 10 is also provided with a pneumatic clamping jaw 70 for clamping or loosening the plastic rod 201 of the pouring gate, and the center of the base plate 10 is provided with an avoidance circular through hole for enabling the plastic rod of the pouring gate to pass through for abdicating; the cylinder 50 of the present invention actuates the two side plates 20 to move toward or away from each other to press the rubber cushion 40 against or away from the outer wall of the plastic member 200 sleeved on the positioning post 30.

The following specifically describes the assembly structure of the present invention.

As shown in fig. 1 to 5, a row of eight cylindrical positioning posts 30 is respectively installed on the left and right side edges of the base plate 10 of the present invention, a row of eight rubber cushions 40 is respectively installed on the opposite surfaces of the two side plates 20, each rubber cushion 40 of the present invention is composed of a connecting seat 41 connected with the side plates 20 and a corrugated air-pressure rubber plate 42 fixed on the connecting seat 41, and the mouth of the corrugated air-pressure rubber plate 42 faces the side surface of the positioning post 30. According to the four cylinders 50, two cylinders 50 are arranged on the left side of the back surface of the substrate 10, two cylinders 50 are symmetrically arranged on the left side of the back surface of the substrate 10, each cylinder 50 comprises a cylinder rod 51 capable of moving linearly and an adapter 52 fixed at the outer end of the cylinder rod 51 and fixedly connected with the inner wall of the side plate 20, so that the inner side surfaces of two ends of each side plate 20 are respectively connected with the two cylinders 50; the air cylinder 50 and the pneumatic clamping jaw 70 are both connected with an air pipe 60 which can be externally connected with an air pressure control source; the linear bearing 80 of the present invention comprises a sliding bearing 81 fixed on the base plate 10 and a sliding shaft 82 vertically fixed on the inner side surface of the side plate 20, wherein the sliding shaft 82 is sleeved in the sliding bearing 81 and is axially matched in a sliding manner.

The operation and operation of the present invention will be described in detail below.

As shown in fig. 5, the present invention is attached to the three-dimensional moving mechanism arm 100 by connecting the base plate 10 to the actuator 101 of the three-dimensional moving mechanism arm 100; when a movable mold and a fixed mold of an injection molding machine are separated to form a workpiece taking space, the three-dimensional moving mechanism arm 100 moves the utility model to the front of the movable mold (not shown in the figures), as shown in fig. 1-3, an external air pressure source drives an air cylinder 50 through an air pipe 60, a cylinder rod 51 of the air cylinder 50 extends out to push a side plate 20 to move towards the outer side of a substrate, two side plates 20 move back to back, and a certain space is formed between a rubber cushion 40 and a positioning column 30; as shown in fig. 5, 2 and 3, the three-dimensional motion mechanism arm 100 drives the substrate 10 to move towards the moving mold, so that the positioning column 30 is inserted into and positioned in the demolding opening of the injection molding member 200 on the moving mold, the sprue plastic rod 201 passes through the center of the substrate 10, the three-dimensional motion mechanism arm 100 is suspended, the air cylinder 50 and the pneumatic clamping jaw 70 are driven by an external air pressure source through the air pipe 60, so that the pneumatic clamping jaw 70 clamps the sprue plastic rod 201, as shown in fig. 4 and fig. 5, the rod 51 of the cylinder 50 retracts, the two side plates 20 move towards each other, and the rubber cushion 40 thereon is driven to move towards the positioning column 30, when the corrugated air-pressure rubber disc of the rubber buffer pad 40 presses the side of the injection molding member 200, positive air pressure is generated in the corrugated air-pressure rubber disc 41 to tightly press the disc opening of the corrugated air-pressure rubber disc 41, so that the rubber buffer pad 40 and the positioning column 30 are formed to clamp and press the injection molding member 200 for fixation; then, as shown in fig. 5, the three-dimensional movement mechanism arm 100 is started to move the utility model clamping the whole injection molding part out of the injection molding machine, so that the whole injection molding part is separated from the mold and is conveyed to the unmanned full-automatic electric control scissors to cut off the plastic rod 201 of the pouring gate and the connected redundant part generated by the injection molding passage, then, as shown in fig. 2 to 5, the three-dimensional movement mechanism arm 100 enables the front of the utility model to face the collection box downwards, the pneumatic clamping jaws 70 are released, the cylinder rod 51 of the air cylinder 50 extends out to drive the side plates to move away, the corrugated air pressure rubber disc 41 of the rubber buffer cushion pad 40 releases the side surface of the injection molding part 200, and the injection molding part 200 with the injection molding redundancy removed is enabled to slide downwards from the positioning column 30 and fall into the collection box completely. Then the three-dimensional movement mechanism arm 100 drives the utility model to reset to the initial position to wait for the next work.

The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore, all equivalent technical solutions should also fall within the scope of the present invention, which is defined by the claims.

Claims

1. A quick demoulding and taking-out device for injection molding parts comprises a base plate (10), and is characterized in that: the left side and the right side of the base plate (10) are respectively provided with a side plate (20), the left edge and the right edge of the front surface of the base plate (10) are respectively provided with a row of positioning columns (30), and the inner side surface of each side plate (20) is provided with a row of rubber buffer pads (40) in a one-to-one correspondence manner on the positions of the positioning columns (30) on the corresponding side; the left side and the right side of the back surface of the base plate (10) are respectively provided with a cylinder (50) for actuating the side plates (20) to move towards or away from each other, and the center of the back surface of the base plate (10) is also provided with a pneumatic clamping jaw (70) for clamping or loosening the plastic rod (201) of the pouring gate; the cylinder (50) actuates the two side plates (20) to move towards or away from each other, so that the rubber cushion (40) can be pressed against or separated from the outer wall of the plastic component (200) sleeved on the positioning column (30).

2. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: the positioning column (30) is of a cylindrical or cylindrical structure, and the outer wall of the positioning column (30) can be sleeved with the demoulding cavity opening of the plastic component (200).

3. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: the rubber buffer cushion (40) is composed of a connecting seat (41) connected with the side plate (20) and a corrugated air compression rubber disc (42) fixed on the connecting seat (41), and the opening of the corrugated air compression rubber disc (42) faces the side face of the positioning column (30).

4. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: the number of the cylinders (50) is four, the inner side faces of two ends of each side plate (20) are respectively connected with the two cylinders (50), and each cylinder (50) comprises a cylinder rod (51) capable of moving linearly and an adapter (52) which is fixed at the outer end of the cylinder rod (51) and is fixedly connected with the inner wall of the side plate (20).

5. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: two linear bearings (80) which guide the side plates (20) to move linearly in the opposite direction and in the reverse direction are arranged between the two side plates (20) and the base plate (10).

6. A device for the rapid extraction of injection-molded parts according to claim 5, characterized in that: the linear bearing (80) comprises a sliding bearing (81) fixed on the base plate (10) and a sliding shaft (82) vertically fixed on the inner side surface of the side plate (20), and the sliding shaft (82) is sleeved in the sliding bearing (81) and is in axial sliding fit.

7. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: the base plate (10) and the side plate (20) are made of aluminum or aluminum alloy.

8. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: the air cylinder (50) and the pneumatic clamping jaw (70) are both connected with an air pipe (60) which can be externally connected with an air pressure control source.

9. The device for rapidly demoulding and taking out an injection molded part according to claim 1, wherein: the row of positioning columns (30) consists of eight positioning columns (30) which are evenly spaced; the row of rubber cushions (40) consists of eight evenly spaced rubber cushions (40).