Fixture for injection molding of plastic clothes hanger

Abstract

The utility model discloses a clamp for injection molding of a plastic clothes hanger. The clamp comprises a mounting plate, the plastic clothes hanger, a clamping assembly and an auxiliary assembly, u-shaped clamp supports are fixedly arranged at the front end of the mounting plate at equal intervals through mounting rods, trapezoidal moving blocks are symmetrically arranged on the inner walls of the U-shaped clamp supports in a sliding mode, and clamping plates are fixedly arranged at the bottom ends of the trapezoidal moving blocks; the clamping assembly and the auxiliary assembly are arranged on the U-shaped clamp support and used for clamping the plastic clothes hanger. The baffle matched with the size and width of the plastic clothes hanger is installed on the U-shaped clamp support, the clamping plate is limited when the plastic clothes hanger is clamped, meanwhile, the detachable and replaceable rubber convex patterns are matched to clamp the plastic clothes hanger, and the situation that the plastic clothes hanger is damaged due to the fact that the clamping force is too large when the plastic clothes hanger is clamped is avoided.

Description

Technical Field

[0001] This utility model relates to the field of plastic hanger manufacturing technology, specifically to a fixture for injection molding of plastic hangers. Background Technology

[0002] Chinese patent document CN220741959U discloses an in-mold injection mold for plastic hangers. This invention includes a plastic hanger forming template, within which a multi-mold synchronous forming section is provided, and a swirling multi-channel injection molding component is also provided. During injection molding, molten material is evenly injected into the multi-mold synchronous forming section through the swirling multi-channel injection molding component, achieving synchronous forming of multiple plastic parts. This accelerates injection molding efficiency and reduces production costs. After injection molding, the mold is opened, and the cooled plastic parts and runners are simultaneously ejected by an in-mold ejection multi-rod assembly. After ejection, separation is achieved through the runner structure between the swirling multi-channel injection molding component and the multi-mold synchronous forming section, achieving in-mold demolding. This facilitates separation by operators, is simple and convenient to operate, and has a compact and reasonable structure.

[0003] However, in the above-mentioned solutions and existing technologies, when the plastic hanger is demolded after injection molding, the robotic arm drives the mounting plate to move, and the mounting plate is equipped with clamps to clamp and remove the demolded plastic hanger; the existing clamps are not convenient to control the clamping force on the plastic hanger, and are easy to damage the plastic hanger.

[0004] Therefore, this utility model proposes a fixture for injection molding of plastic clothes hangers to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a fixture for injection molding of plastic clothes hangers to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a fixture for injection molding of plastic hangers includes a mounting plate, a plastic hanger, a clamping assembly, and an auxiliary assembly; a U-shaped clamping bracket is fixedly provided at equal intervals on the front end of the mounting plate via a mounting rod, and trapezoidal moving blocks are symmetrically slidably arranged on the inner wall of the U-shaped clamping bracket, with a clamping plate fixedly provided at the bottom end of the trapezoidal moving blocks; the clamping assembly and the auxiliary assembly are arranged on the U-shaped clamping bracket for clamping the plastic hanger.

[0007] Preferably, the clamping assembly includes a cylinder, a trapezoidal control block, a trapezoidal slider, a trapezoidal groove, a mounting groove, a wedge, a first threaded hole, a mounting block, rubber ridges, a wedge, and a threaded groove; the cylinder is fixedly mounted on the outer wall of the U-shaped clamp bracket, and the cylinder output end passes through the side wall of the U-shaped clamp bracket and is fixedly connected to the trapezoidal control block; trapezoidal sliders are symmetrically fixedly mounted on the two inclined walls of the trapezoidal control block; the trapezoidal groove is formed on the inclined wall of the trapezoidal moving block, the mounting groove is formed on the side wall of the clamping plate, and a wedge is formed at the side end of the mounting groove; the first threaded hole is equidistantly formed on the side wall of the clamping plate, and the first threaded hole passes through the wedge; rubber ridges are equidistantly fixedly mounted on the side wall of the mounting block, and the wedge is fixedly mounted on the side wall of the mounting block, with threaded grooves symmetrically formed on the side wall of the wedge.

[0008] Preferably, the auxiliary component includes a protrusion, a second threaded hole, a baffle, a locking block, and a third threaded hole; the protrusion is symmetrically fixed on both sides of the U-shaped clamp bracket, and the second threaded hole is provided on the side wall of the protrusion; the locking block is symmetrically fixed on the side wall of the baffle, and the third threaded hole is provided on the side wall of the locking block.

[0009] Preferably, the trapezoidal slider and the trapezoidal groove are positioned correspondingly and have the same number of sets, and are movably engaged; the inclined walls on both sides of the trapezoidal control block are engaged with the inclined walls of the trapezoidal moving block; the mounting groove and the mounting block are positioned correspondingly and have the same number of sets, and are embedded together; the rubber ridges are engaged with the plastic hanger.

[0010] Preferably, the wedge and the wedge are positioned correspondingly and have the same number of sets, and are inserted into each other; the first threaded hole and the threaded groove are positioned correspondingly and have the same number of sets, and are fixedly connected by screws.

[0011] Preferably, the baffle is engaged with the U-shaped clamp bracket, the two side walls of the baffle are engaged with the clamp plate, and the width of the baffle is the same as the width of the plastic hanger; the locking block is engaged with the protrusion, the second threaded hole and the third threaded hole are positioned correspondingly and have the same number of sets, and the two are fixedly connected by screws.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] By installing a baffle that is adapted to the width of the plastic hanger on the U-shaped clamp bracket, the clamp plate is limited when the plastic hanger is clamped. At the same time, the detachable and replaceable rubber textured clamp prevents the plastic hanger from being damaged by excessive clamping force. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure of the U-shaped clamp bracket of this utility model;

[0016] Figure 3 This is a schematic diagram of the trapezoidal control block of this utility model;

[0017] Figure 4 This is a schematic diagram of the clamping plate structure connection of this utility model;

[0018] Figure 5 This is a schematic diagram of the connection of the mounting block structure of this utility model.

[0019] In the diagram: 1. Mounting plate; 2. Plastic hanger; 3. Mounting rod; 4. U-shaped clamp bracket; 5. Trapezoidal moving block; 6. Clamping plate; 7. Cylinder; 8. Trapezoidal control block; 9. Trapezoidal slider; 10. Trapezoidal slide groove; 11. Mounting groove; 12. Wedge groove; 13. First threaded hole; 14. Mounting block; 15. Rubber ridge; 16. Wedge; 17. Threaded groove; 18. Protrusion; 19. Second threaded hole; 20. Baffle; 21. Locking block; 22. Third threaded hole. Detailed Implementation

[0020] The technical solutions in the embodiments of this utility model will be clearly and completely described below. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Please see Figures 1-5 The present invention provides the following three preferred embodiments:

[0022] Example 1: A fixture for injection molding of plastic hangers. To achieve the above objectives, this utility model provides the following technical solution: The fixture for injection molding of plastic hangers includes a mounting plate 1, a plastic hanger 2, a clamping assembly, and an auxiliary assembly; a U-shaped clamping bracket 4 is fixedly mounted at the front end of the mounting plate 1 via a mounting rod 3 at equal intervals; trapezoidal moving blocks 5 are symmetrically slidably mounted on the inner wall of the U-shaped clamping bracket 4; a clamping plate 6 is fixedly mounted at the bottom end of the trapezoidal moving blocks 5; the clamping assembly and the auxiliary assembly are mounted on the U-shaped clamping bracket 4 for clamping the plastic hanger 2; the clamping assembly includes a cylinder 7, a trapezoidal control block 8, a trapezoidal slider 9, a trapezoidal slide groove 10, a mounting groove 11, a wedge 12, a first threaded hole 13, a mounting block 14, rubber ridges 15, a wedge 16, and a threaded groove 17; the auxiliary assembly includes a protrusion 18, a second threaded hole 19, a baffle 20, a locking block 21, and a third threaded hole 22.

[0023] In use, the mounting plate 1 is set on the robotic arm. The robotic arm controls the movement of the mounting plate 1 so that the clamp on the mounting plate 1 can clamp the plastic hanger 2 from the injection molding machine used to produce the plastic hanger 2. By installing a baffle 20 that is adapted to the size and width of the plastic hanger 2 on the U-shaped clamp bracket, the clamping plate 6 has a limiting effect when clamping the plastic hanger 2. At the same time, the detachable and replaceable rubber embossed 15 is used to clamp the plastic hanger 2, so as to avoid excessive clamping force when clamping the plastic hanger 2 and causing damage to the plastic hanger 2.

[0024] Example 2: Based on Example 1, the cylinder 7 in the clamping assembly is fixedly mounted on the outer wall of the U-shaped clamp bracket. The output end of the cylinder 7 passes through the side wall of the U-shaped clamp bracket and is fixedly connected to the trapezoidal control block 8. Trapezoidal sliders 9 are symmetrically fixed on the inclined walls on both sides of the trapezoidal control block 8. A trapezoidal groove 10 is formed on the inclined wall of the trapezoidal moving block 5, and an installation groove 11 is formed on the side wall of the clamping plate 6. A wedge 12 is formed on the side end of the installation groove 11. A first threaded hole 13 is equidistantly formed on the side wall of the clamping plate 6, and the first threaded hole 13 passes through the wedge 12. Rubber ridges 15 are equidistantly fixed on the side wall of the mounting block 14. 6 is fixedly installed on the side wall of the mounting block 14, and the wedge block 16 has symmetrically opened threaded grooves 17 on its side wall; the trapezoidal slider 9 and the trapezoidal slide groove 10 are set in corresponding positions and have the same number of sets, and the two are movably engaged; the two inclined walls of the trapezoidal control block 8 are engaged with the inclined walls of the trapezoidal moving block 5; the mounting groove 11 is set in corresponding positions and has the same number of sets as the mounting block 14, and the two are embedded; the rubber ridge 15 is engaged with the plastic hanger 2; the wedge groove 12 is set in corresponding positions and has the same number of sets as the wedge block 16, and the two are inserted; the first threaded hole 13 is set in corresponding positions and has the same number of sets as the threaded groove 17, and the two are fixedly connected by screws.

[0025] In use, the mounting plate 1 is moved to the appropriate position, the cylinder 7 works to control the movement of the trapezoidal control block 8, the inclined walls on both sides of the trapezoidal control block 8 engage with the inclined walls of the trapezoidal moving block 5, the movable engagement of the trapezoidal slider 9 and the trapezoidal sliding groove 10 realizes the movement of the trapezoidal control block 8, controls the synchronous movement of the trapezoidal moving blocks 5 on both sides, and the clamping plate 6 moves to clamp; the wedge 16 is inserted into the wedge groove 12 until the mounting block 14 is embedded in the mounting groove 11, at this time the first threaded hole 13 and the threaded groove 17 are correspondingly screwed in to fix the position of the mounting block 14, the clamping plate 6 moves so that the rubber ridge 15 clamps the plastic clothes hanger 2, the rubber ridge 15 can be disassembled and replaced after wear.

[0026] Example 3: Based on Example 2, the protrusions 18 in the auxiliary components are symmetrically fixed on both sides of the U-shaped clamp bracket 4, and the side walls of the protrusions 18 are provided with second threaded holes 19; the side walls of the baffle 20 are symmetrically fixed with locking blocks 21, and the side walls of the locking blocks 21 are provided with third threaded holes 22; the baffle 20 is engaged with the U-shaped clamp bracket 4, and the side walls of the baffle 20 are engaged with the clamping plate 6. The width of the baffle 20 is the same as the width of the plastic hanger 2; the locking blocks 21 are engaged with the protrusions 18, and the second threaded holes 19 and the third threaded holes 22 are positioned correspondingly and have the same number of sets. The two are fixedly connected by screws.

[0027] When in use, select a baffle 20 that fits the width of the plastic hanger 2, and snap the baffle 20 between the clamping plates 6 and the side wall of the U-shaped clamp bracket 4. At this time, the locking block 21 and the protrusion 18 are engaged, and the screws are tightened to fix the position of the baffle 20 by correspondingly tightening the second threaded hole 19 and the third threaded hole 22. When the clamping plate 6 moves, it engages with the baffle 20 to limit the movement. The rubber ridges 15 installed on the clamping plate 6 clamp the plastic hanger 2 to avoid excessive clamping force during the clamping process, which may damage the plastic hanger 2.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixture for injection molding of plastic clothes hangers, characterized in that: The device includes a mounting plate (1), a plastic hanger (2), a clamping assembly, and an auxiliary assembly. A U-shaped clamping bracket (4) is fixedly mounted at equal intervals on the front end of the mounting plate (1) via a mounting rod (3). A trapezoidal moving block (5) is symmetrically slidably mounted on the inner wall of the U-shaped clamping bracket (4). A clamping plate (6) is fixedly mounted at the bottom end of the trapezoidal moving block (5). The clamping assembly and the auxiliary assembly are mounted on the U-shaped clamping bracket (4) for clamping the plastic hanger (2). The clamping assembly includes a cylinder (7), a trapezoidal control block (8), a trapezoidal slider (9), a trapezoidal groove (10), a mounting groove (11), a wedge (12), a first threaded hole (13), a mounting block (14), rubber ridges (15), a wedge (16), and a threaded groove (17). The cylinder (7) is fixedly mounted on the outer wall of the U-shaped clamp bracket. The output end of the cylinder (7) passes through the side wall of the U-shaped clamp bracket and is fixedly connected to the trapezoidal control block (8). Trapezoidal sliders (9) are symmetrically fixed on the inclined walls on both sides of the trapezoidal control block (8). The trapezoidal groove (10) is opened on the inclined wall of the trapezoidal moving block (5), the mounting groove (11) is opened on the side wall of the clamping plate (6), and the side end of the mounting groove (11) is provided with a wedge (12); the first threaded hole (13) is opened at equal intervals on the side wall of the clamping plate (6), and the first threaded hole (13) passes through the wedge (12); the side wall of the mounting block (14) is fixedly provided with rubber ridges (15) at equal intervals, the wedge (16) is fixedly provided on the side wall of the mounting block (14), and the side wall of the wedge (16) is symmetrically provided with threaded grooves (17); The auxiliary components include a protrusion (18), a second threaded hole (19), a baffle (20), a locking block (21), and a third threaded hole (22); the protrusion (18) is symmetrically fixed on both sides of the U-shaped clamp bracket (4), and the second threaded hole (19) is provided on the side wall of the protrusion (18); the locking block (21) is symmetrically fixed on the side wall of the baffle (20), and the third threaded hole (22) is provided on the side wall of the locking block (21).

2. The fixture for injection molding of plastic clothes hangers according to claim 1, characterized in that: The trapezoidal slider (9) and trapezoidal groove (10) are positioned in the same position and have the same number of sets. They are engaged in a movable connection. The inclined walls on both sides of the trapezoidal control block (8) are engaged with the inclined walls of the trapezoidal moving block (5). The mounting groove (11) and mounting block (14) are positioned in the same position and have the same number of sets. They are interlocked. The rubber ridge (15) is engaged with the plastic hanger (2).

3. The fixture for injection molding of plastic clothes hangers according to claim 1, characterized in that: The wedge (12) and wedge (16) are positioned in the same position and have the same number of sets, and are inserted together; the first threaded hole (13) and threaded groove (17) are positioned in the same position and have the same number of sets, and are fixedly connected by screws.

4. The fixture for injection molding of plastic clothes hangers according to claim 1, characterized in that: The baffle (20) is engaged with the U-shaped clamp bracket (4), the two side walls of the baffle (20) are engaged with the clamp plate (6), and the width of the baffle (20) is the same as the width of the plastic clothes hanger (2); the clamp block (21) is engaged with the protrusion (18), the second threaded hole (19) and the third threaded hole (22) are positioned in the same way and have the same number of sets, and are fixedly connected by screws.

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