Injection molding dual pick-and-place jig capable of adjusting fast joint angle

Abstract

The utility model discloses a kind of injection molding with taking and placing dual-purpose jig of adjustable quick coupling joint angle, including jig main frame, the side of jig main frame thickness direction is provided with at least a set of sheet metal burying mechanism, the other side is provided with multiple spare taking mechanism, quick coupling joint assembly is installed on jig main frame, the quick coupling joint assembly includes joint base, angle adjusting base and quick coupling joint, joint base is fixedly installed on jig main frame, angle adjusting base is fixedly installed on the outside of joint base, and oppositely two base mounting arms are provided, two joint mounting arms are oppositely provided with two joint mounting arms on the side close to angle adjusting base, two joint mounting arms are respectively with corresponding base mounting arm between all be provided with angle adjusting mechanism. Above-mentioned injection molding with taking and placing dual-purpose jig, the inclination angle of quick coupling joint can be flexibly adjusted according to actual demand, not only extremely simple operation, and no longer need to prepare a large number of quick-change coupling joint assembly, reduce input cost.

Description

Technical Field

[0001] This utility model relates to the field of automated injection molding equipment technology, specifically to an injection molding jig that can adjust the angle of quick-connect couplings. Background Technology

[0002] For automated injection molding equipment that requires pre-embedded sheet metal parts or inserts, the robotic arm is usually equipped with a dual-purpose jig, such as the one disclosed in Chinese invention patent application CN116373208A, which can both embed sheet metal parts or inserts into the injection mold and remove the finished plastic parts from the mold, reducing the jig replacement process and improving work efficiency.

[0003] However, please see Figure 1 The applicant discovered in its production practice that quick-change couplings needed to be installed at an angle to accommodate injection molds with specific structures. Furthermore, to accommodate robotic arms of different sizes and structures, quick-change couplings with different tilt angles were required, necessitating the preparation of numerous quick-change coupling assemblies and making the replacement process quite complex.

[0004] Solving these problems is now a top priority. Utility Model Content

[0005] In view of this, the present invention provides a jig for injection molding that can adjust the angle of quick-connect couplings.

[0006] The technical solution is as follows:

[0007] The first aspect of this application relates to a dual-purpose jig for injection molding capable of adjusting the angle of quick-connect couplings, comprising a main frame of the jig, at least one sheet metal embedding mechanism on one side of the main frame in the thickness direction, and multiple part-picking mechanisms on the other side, wherein a quick-connect coupling assembly is mounted on the main frame of the jig, the quick-connect coupling assembly comprising a coupling base, an angle-adjusting base, and a quick-connect coupling, the coupling base being fixedly mounted on the main frame of the jig, the angle-adjusting base being fixedly mounted on the outside of the coupling base and having two base mounting arms with identical structures opposite each other, the quick-connect coupling having two coupling mounting arms with identical structures opposite each other on the side near the angle-adjusting base, and each of the two coupling mounting arms having an angle-adjusting mechanism between it and the corresponding base mounting arm;

[0008] When both angle adjustment mechanisms are in the unlocked state, the quick-connect joint can rotate relative to the angle adjustment base; when both angle adjustment mechanisms are in the locked state, the quick-connect joint can be locked on the angle adjustment base.

[0009] By using the above-mentioned injection molding jig that can adjust the angle of quick-connect couplings, the tilt angle of the quick-connect couplings can be flexibly adjusted according to actual needs. This not only makes the operation extremely simple, but also eliminates the need to prepare a large number of quick-connect coupling assemblies, thus reducing investment costs.

[0010] In some embodiments, the angle adjustment mechanism includes a first rotating connection hole and at least one first bolt through hole arranged sequentially in the direction away from the joint base on the corresponding base mounting arm, a second rotating connection hole and at least one row of second bolt through holes arranged in an arc shape on the corresponding joint mounting arm, each first rotating connection hole being connected to a corresponding second rotating connection hole by a hinge assembly, each row of second bolt through holes being arranged in an arc shape with the corresponding second rotating connection hole as the center, the number of rows of second bolt through holes being equal to the number of first bolt through holes, and each first bolt through hole independently corresponding to a row of second bolt through holes;

[0011] When the quick-connector rotates relative to the angle-adjusting base until at least one second bolt through hole on each of the two connector mounting arms is aligned with the corresponding first bolt through hole, the quick-connector can be locked onto the angle-adjusting base by connecting each second bolt through hole and the corresponding first bolt through hole through the bolt and nut kit; when all bolt and nut kits are removed, the quick-connector can rotate relative to the angle-adjusting base.

[0012] In some embodiments, the two connector mounting arms are respectively fitted together on the outer side of the corresponding base mounting arm.

[0013] In some embodiments, the sheet metal embedding mechanism includes at least one sheet metal positioning component mounted on the main frame of the fixture via a posture adjustment component, at least one negative pressure adsorption component mounted on the main frame of the fixture via a posture adjustment component, and at least one magnetic adsorption component mounted on the main frame of the fixture via a posture adjustment component.

[0014] In some embodiments, the posture adjustment assembly includes at least two connecting rods connected in sequence via cross connectors. The innermost connecting rod is connected to the main frame of the fixture via the cross connector. The sheet metal positioning assembly, the negative pressure adsorption assembly, and the magnetic adsorption assembly are respectively mounted on the outermost connecting rod of the corresponding posture adjustment assembly via cross connectors.

[0015] In some embodiments, the sheet metal positioning assembly includes a positioning head mounting tube. The inner end of the positioning head mounting tube is mounted on a connecting rod located at the outermost end of the corresponding posture adjustment assembly via a cross connector. The outer end of the positioning head mounting tube is fixedly connected to an outwardly extending positioning head. An infrared sensor is mounted on the positioning head mounting tube via a sensor bracket. The extension direction of the infrared rays emitted by the infrared sensor is parallel to the extension direction of the adjacent positioning head.

[0016] In some embodiments, the negative pressure adsorption assembly includes a hollow mounting rod. The inner end of the hollow mounting rod is mounted on a connecting rod located at the outermost end of the corresponding posture adjustment assembly via a cross connector. The outer end of the hollow mounting rod is equipped with a negative pressure suction cup that communicates with it.

[0017] In some embodiments, the magnetic adsorption assembly includes an ejector cylinder mounting rod. The inner end of the ejector cylinder mounting rod is mounted on a connecting rod located at the outermost end of the corresponding posture adjustment assembly via a cross connector. The outer end of the ejector cylinder mounting rod is fixedly connected to the cylinder body of the corresponding ejector cylinder. The piston rod of the ejector cylinder extends away from the corresponding ejector cylinder mounting rod and is fixedly connected to a magnetic adsorption cylinder. The end of the magnetic adsorption cylinder away from the corresponding ejector cylinder is the magnetic adsorption end.

[0018] In some embodiments, the part-retrieving mechanism includes at least one gripping component mounted on the main frame of the fixture via a position adjustment assembly. Each gripping component includes a gripper cylinder mounting rod. The inner end of each gripper cylinder mounting rod is mounted on a connecting rod located at the outermost end of the corresponding position adjustment assembly via a cross connector. The outer end of each gripper cylinder mounting rod is fixedly connected to the cylinder body of the corresponding gripper cylinder. The two grippers of each gripper cylinder are located at the end of the gripper cylinder away from the corresponding gripper cylinder mounting rod. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the installation structure of a quick-connect coupling that cannot be adjusted in angle on a pick-and-place fixture in the prior art.

[0020] Figure 2 This is a schematic diagram of a jig for taking and placing injection molding parts, which carries both sheet metal parts and injection molded parts in this utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the injection molding jig that can be used for both picking up and placing.

[0022] Figure 4 This is a structural schematic diagram of the quick-connect assembly from one perspective in this utility model;

[0023] Figure 5 This is a structural schematic diagram of the quick-connect assembly from another perspective in this utility model;

[0024] Figure 6 This is a schematic diagram of the quick-connect coupling in this utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the angle-adjusting base in this utility model. Detailed Implementation

[0026] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0027] like Figures 2-7 As shown, an injection molding jig with adjustable quick-connect fitting angle is disclosed. It mainly includes a main frame 1. In this embodiment, the main frame 1 preferably adopts a cuboid frame structure for ease of structural arrangement. Specifically, at least one sheet metal embedding mechanism is provided on one side of the main frame 1 in the thickness direction, and multiple part-removing mechanisms are provided on the other side of the main frame 1 in the thickness direction. That is, one side of the main frame 1 in the thickness direction is used to embed sheet metal parts into the injection mold, and the other side is used to remove the injection-molded parts from the injection mold.

[0028] Furthermore, the main frame 1 of the fixture is equipped with a quick-connect assembly 2. The quick-connect assembly 2 is usually installed in the middle position of one side of the main frame 1 in the length direction or the middle position of one side in the width direction, depending on the actual needs.

[0029] Furthermore, in order to increase structural strength, a structural reinforcing tube 1a is inclinedly provided at each of the two corners near the quick-connect assembly 2 on the main frame 1 of the fixture. Each structural reinforcing tube 1a forms a triangular reinforcing structure with the corresponding two side walls of the main frame 1 of the fixture, so as to improve the structural strength of the connection position between the main frame 1 of the fixture and the robotic arm.

[0030] In this embodiment, the quick-connect assembly 2 includes a connector base 2a, an angle-adjusting base 2b, and a quick-connect connector 2c. The connector base 2a is fixedly mounted on the main frame 1 of the fixture, and the angle-adjusting base 2b is fixedly mounted on the outside of the connector base 2a. Furthermore, the angle-adjusting base 2b is provided with two base mounting arms 2b1 with identical structures, and the two base mounting arms 2b1 are arranged opposite to each other on the side of the angle-adjusting base 2b near the quick-connect connector 2c.

[0031] Correspondingly, the quick-connect coupling 2c is provided with two coupling mounting arms 2c1 of identical structure, which are positioned opposite each other on the side of the quick-connect coupling 2c near the angle adjustment base 2b. Most importantly, each of the two coupling mounting arms 2c1 is provided with an angle adjustment mechanism between itself and its corresponding base mounting arm 2b1.

[0032] When both adjustment mechanisms are unlocked, the quick-connect coupling 2c can rotate relative to the adjustment base 2b, allowing the tilt angle of the quick-connect coupling 2c to be flexibly adjusted according to actual needs. Once adjusted, both adjustment mechanisms are locked, thus locking the quick-connect coupling 2c onto the adjustment base 2b. Therefore, this injection molding jig is not only extremely simple to operate, but also eliminates the need to prepare a large number of quick-connect coupling assemblies, reducing investment costs.

[0033] Please see Figures 4-7 Each angle adjustment mechanism includes a first rotating connection hole 2b2 and at least one first bolt through hole 2b3 arranged sequentially in the direction away from the joint base 2a on the corresponding base mounting arm 2b1, and a second rotating connection hole 2c2 and at least one row of second bolt through holes 2c3 arranged in an arc shape on the corresponding joint mounting arm 2c1. Each first rotating connection hole 2b2 is connected to a corresponding second rotating connection hole 2c2 by a hinge assembly 3. Each row of second bolt through holes 2c3 is arranged in an arc shape with the corresponding second rotating connection hole 2c2 as the center. That is, the first rotating connection holes 2b2 and each first bolt through hole 2b3 are arranged in a straight line, and the second rotating connection holes 2c2 and each second bolt through hole 2c3 are arranged in a fan shape.

[0034] Meanwhile, the number of rows of second bolt through holes 2c3 is equal to the number of first bolt through holes 2b3, and each first bolt through hole 2b3 independently corresponds to a row of second bolt through holes 2c3. Therefore, when the quick-connect coupling 2c rotates relative to the angle-adjusting base 2b, at least one second bolt through hole 2c3 on each of the two coupling mounting arms 2c1 is aligned with the corresponding first bolt through hole 2b3. This allows the bolt and nut assembly 4 to connect each second bolt through hole 2c3 and the corresponding first bolt through hole 2b3, locking the quick-connect coupling 2c onto the angle-adjusting base 2b. When all bolt and nut assemblies 4 are removed, the quick-connect coupling 2c can rotate relative to the angle-adjusting base 2b. Therefore, the angle-adjusting mechanism is simple and ingeniously designed, easy to operate, and allows for flexible adjustment of the angle of the quick-connect coupling 2c relative to the angle-adjusting base 2b as needed.

[0035] In this embodiment, the second bolt through holes 2c3 are preferably arranged in two rows, with the number of second bolt through holes 2c3 in the row closer to the second rotating connection hole 2c2 being less than the number of second bolt through holes 2c3 in the row farther from the second rotating connection hole 2c2. The row of second bolt through holes 2c3 closer to the second rotating connection hole 2c2 is mainly used for strengthening the connection structure and does not necessarily require the installation of bolt and nut kit 4. Typically, it should be ensured that one of the second bolt through holes 2c3 in the row farther from the second rotating connection hole 2c2 is connected to the corresponding first bolt through hole 2b3 via the bolt and nut kit 4.

[0036] Furthermore, the two connector mounting arms 2c1 are respectively fitted to the outer side of the corresponding base mounting arm 2b1, which makes it easier to align the second bolt through hole 2c3 with the first bolt through hole 2b3 than if the two connector mounting arms 2c1 were respectively fitted to the inner side of the corresponding base mounting arm 2b1.

[0037] Please see Figure 2 and Figure 3Each sheet metal embedding mechanism includes at least one sheet metal positioning component 6, at least one negative pressure adsorption component 7, and at least one magnetic adsorption component 8. Each sheet metal positioning component 6 is mounted on the main frame 1 of the fixture via a corresponding pose adjustment component 5; each negative pressure adsorption component 7 is mounted on the main frame 1 of the fixture via a corresponding pose adjustment component 5; and each magnetic adsorption component 8 is mounted on the main frame 1 of the fixture via a corresponding pose adjustment component 5. Therefore, the poses of the sheet metal positioning component 6, the negative pressure adsorption component 7, and the magnetic adsorption component 8 can be flexibly adjusted via their respective pose adjustment components 5.

[0038] Please see Figure 2 Each posture adjustment component 5 includes at least two connecting rods 5a connected sequentially via cross-shaped connectors 5b. The innermost connecting rod 5a is connected to the main frame 1 of the fixture via the cross-shaped connector 5b. The sheet metal positioning component 6, the negative pressure adsorption component 7, and the magnetic adsorption component 8 are respectively mounted on the outermost connecting rod 5a of the corresponding posture adjustment component 5 via the cross-shaped connectors 5b. Each cross-shaped connector 5b has two mutually perpendicular mounting holes. Taking two adjacent connecting rods 5a as an example, the two connecting rods 5a can be moved and rotated in the corresponding mounting holes. After installation, the corresponding connecting rods 5a can be locked in place by corresponding screws, making operation convenient.

[0039] Please see Figure 1 and Figure 2 Each sheet metal positioning component 6 includes a positioning head mounting tube 6a. The inner end of each positioning head mounting tube 6a is mounted on a connecting rod 5a located at the outermost end of the corresponding posture adjustment component 5 via a cross connector 5b. An outwardly extending positioning head 6b is fixedly connected to the outer end of each positioning head mounting tube 6a. An infrared sensor 6d is mounted on each positioning head mounting tube 6a via a sensor bracket 6c. The extension direction of the infrared rays emitted by the infrared sensor 6d is parallel to the extension direction of the adjacent positioning head 6b. By embedding the positioning head 6b into the positioning hole on the sheet metal part 10, the sheet metal part 10 can be reliably positioned. The infrared sensor 6d can detect whether the sheet metal part 10 is properly positioned.

[0040] Please see Figure 1 and Figure 2 Each negative pressure adsorption component 7 includes a hollow mounting rod 7a. The inner end of each hollow mounting rod 7a is mounted on a connecting rod 5a located at the outermost end of the corresponding posture adjustment component 5 via a cross connector 5b. The outer end of each hollow mounting rod 7a is equipped with a negative pressure suction cup 7b that communicates with it. By adsorbing the sheet metal part 10 through the negative pressure suction cup 7b, not only can the sheet metal part 10 be reliably fixed, but it can also send a start signal to the magnetic cylinder 8c of the magnetic adsorption component 8 according to the negative pressure condition.

[0041] Please see Figure 1 and Figure 2Each magnetic adsorption component 8 includes an ejector cylinder mounting rod 8a. The inner end of the ejector cylinder mounting rod 8a is mounted on the outermost connecting rod 5a of the corresponding position adjustment component 5 via a cross connector 5b. The outer end of the ejector cylinder mounting rod 8a is fixedly connected to the cylinder body of the corresponding ejector cylinder 8b. The piston rod of the ejector cylinder 8b extends away from the corresponding ejector cylinder mounting rod 8a. Furthermore, a magnetic adsorption cylinder 8c is fixedly connected to the piston rod of the ejector cylinder 8b. The end of the magnetic adsorption cylinder 8c away from the corresponding ejector cylinder 8b is the magnetic adsorption end.

[0042] Therefore, when the negative pressure generator detects that the negative pressure suction cup 7b has reliably adsorbed the sheet metal part 10 through the change in air pressure, it sends a start signal to the magnetic suction cylinder 8c. The magnetic suction cylinder 8c moves its own permanent magnet to a position close to the sheet metal part 10, thereby improving the reliability of fixing the sheet metal part 10 through the magnetic force of the permanent magnet.

[0043] When the injection molding jig transfers the sheet metal part 10 to the set position in the injection mold, the magnetic cylinder 8c first moves its own permanent magnet away from the sheet metal part 10, so that the magnetic force of the permanent magnet no longer acts on the sheet metal part 10. At the same time, the negative pressure generator stops generating negative pressure, so that the negative pressure suction cup 7b also no longer acts on the sheet metal part 10. Then, the piston rod of the ejector cylinder 8b extends outward, so that the sheet metal part 10 is no longer positioned on each positioning head 6b, thereby achieving complete separation from the injection molding jig.

[0044] Please see Figure 1 and Figure 2 The part-retrieving mechanism includes at least one gripping component 9, each gripping component 9 being mounted on the main frame 1 of the fixture via a position adjustment component 5, thereby allowing for flexible adjustment of the position of the gripping component 9. Each gripping component 9 includes a gripper cylinder mounting rod 9a, the inner end of which is mounted via a cross connector 5b on the outermost connecting rod 5a of the corresponding position adjustment component 5. The outer ends of the gripper cylinder mounting rod 9a are fixedly connected to the cylinder body of the corresponding gripper cylinder 9b. The two grippers 9b1 of each gripper cylinder 9b are located at the end of the gripper cylinder 9b furthest from the corresponding gripper cylinder mounting rod 9a. By controlling the two grippers 9b1 of each gripper cylinder 9b, the injection molded part 11 can be reliably gripped or released.

[0045] Furthermore, a cross-shaped connecting seat 5b connected to the gripper cylinder mounting rod 9a also has an angle adjustment function. Specifically, the cross-shaped connecting seat 5b includes a first connecting seat component and a second receiving seat component, which are connected by a hinge. At the same time, the first connecting seat component and the second receiving seat component are also provided with a locking structure for locking or unlocking their relative positions, thereby further improving the flexibility of the gripper cylinder 9b's attitude adjustment.

[0046] Finally, it should be noted that the above description is merely a preferred embodiment of the present utility model. Those skilled in the art, under the guidance of the present utility model, can make various similar representations without departing from the spirit and claims of the present utility model, and such modifications all fall within the protection scope of the present utility model.

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