Wire rod rubber coating injection molding machine
By introducing a pull-out mechanism into the wire coating injection molding machine, and utilizing the cooperation of the eccentric rod and the translation block, the wire can be pulled out simultaneously. This solves the problem of slow removal and easy damage after wire coating injection molding, thereby improving processing efficiency and reducing costs.
Patent Information
- Application Number
- CN202423219233.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
After the existing wire is coated with glue and injection molded, it is slow to remove the wire and it is easy to break the wire, resulting in low processing efficiency and high cost.
The device employs a pull-out mechanism, which includes components such as a fixed mold, a pull-out mechanism, a pressure plate, a limit seat, a limit frame, and an eccentric rod. By rotating the eccentric rod and moving the translation block, the wire can be pulled out simultaneously, avoiding uneven force distribution.
It improves the processing efficiency of wire coating injection molding, avoids damage to the wire due to uneven stress, and reduces processing costs.
Smart Images
Figure CN223573643U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding machine technical field, concretely relates to a wire rubber coating injection molding machine. BACKGROUND
[0002] Wire rubber coating injection molding machine is a kind of equipment specially used for wrapping a layer of plastic material on the surface of wire, and is widely used in the field of electric wire and cable, household wiring harness, automobile wiring harness etc.This equipment forms insulation layer or protective layer by uniformly wrapping molten plastic on conductor through injection molding process.
[0003] In the prior art, in the process of wire plug rubber coating injection molding, in order to improve processing yield, multiple injection molding grooves are often arranged in the lower mold, so that the effect of processing multiple wires in one mold is realized, and after processing is completed, the wire plug is pulled out from the mold insertion end one by one by the operator, or one end of the wire is gathered and pulled out.
[0004] However, since the surface temperature of the wire rubber coating injection molding is high after completion, the process of pulling out the wire one by one not only easily causes the operator to be scalded, but also reduces the processing efficiency, and the method of gathering and pulling out one end of the wire can pull out the wire together, but since the wire is arranged linearly, the edge wire may be damaged due to uneven stress, thereby increasing the processing cost. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a wire rubber coating injection molding machine to solve the problem that the wire is slow to be taken down and easy to be damaged after the wire rubber coating injection molding is completed.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an injection molding machine body includes a fixed mold, the fixed mold is provided with a plug-pull mechanism on one side, the plug-pull mechanism includes a placing plate, a pressing plate is detachably installed on the upper side of the placing plate, limit seats are arranged at both ends of the pressing plate, a limit frame is arranged on one side of the limit seat, one end of the limit frame is rotatably connected with a supporting seat, the other end of the limit frame is rotatably connected with an eccentric rod, and the lower surface of the supporting seat is fixedly connected with a translation block.
[0007] Further, the lower surface of the fixed mold is fixedly connected with a lower mold seat, and the upper side of the lower mold seat is provided with a movable mold.
[0008] Further, the upper surface of the movable mold is fixedly connected with an upper mold seat, a buffer is arranged between the upper mold seat and the lower mold seat, and the buffer is fixedly installed in the injection molding machine body.
[0009] Further, a limit groove is formed on one side of the lower mold seat, a limit block is fixedly connected with one end of the limit groove, and the limit groove is provided with two limit grooves and is symmetrically arranged about the center plane of the pressing plate.
[0010] Further, the lower side of the pressing plate is fixedly connected with the anti-skid pressing plate through a spring, one of the limiting grooves is rotatably sleeved with a threaded rod, and the other limiting groove is fixedly sleeved with a limiting rod.
[0011] Further, one end of the threaded rod is rotatably sleeved in the limiting block, one end of the limiting rod is fixedly sleeved in the limiting block, the two sides of the placing plate are fixedly connected with the translation blocks, and the lower surface of the limiting frame is fixedly connected with the upper surface of the translation block.
[0012] Further, one end of the limiting frame is rotatably connected with the supporting seat through a pin shaft, the other end of the limiting frame is rotatably connected with the eccentric rod through a pin shaft, the eccentric rod is provided with a limiting column on one side, the limiting column is fixedly installed on the translation block, one side of the threaded rod is threadedly connected with the lower side of the translation block, and the other translation block is slidably sleeved on the limiting rod.
[0013] As the above-mentioned technology is adopted, the beneficial effects of the wire coating injection molding machine are as follows:
[0014] The pressing plate in the pulling and inserting structure is used for pressing the wire, and the eccentric rod is pressed in the direction away from the limiting seat, so that one end of the limiting frame is lifted by the eccentric rod, and the other end of the eccentric rod is rotatably connected with the supporting seat and rotates in the direction close to the limiting seat until the one end of the limiting frame abuts against the side wall of the pressing plate, so that the limiting frame and the limiting seat are fixedly positioned and clamped, and the pressing plate is clamped and fixed. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an overall structure schematic view of the wire coating injection molding machine.
[0016] Figure 2 It is an overall structure schematic view of the wire coating injection molding machine.
[0017] Figure 3 It is an overall structure schematic view of the wire coating injection molding machine.
[0018] Figure 4 It is an overall structure schematic view of the wire coating injection molding machine. Figure 1 It is an enlarged schematic view of the structure at A in the wire coating injection molding machine.
[0019] Figure 5 It is an enlarged schematic view of the structure at B in the wire coating injection molding machine. Figure 2 It is an enlarged schematic view of the structure at B in the wire coating injection molding machine.
[0020] In the figure: 1, injection molding machine body; 2, fixed mold; 3, pull plug mechanism; 4, placement plate; 5, pressing plate; 6, limit seat; 7, limit frame; 8, support seat; 9, eccentric rod; 10, translation block; 11, lower mold base; 12, movable mold; 13, upper mold base; 14, buffer; 15, limit groove; 16, limit block; 17, anti-skid pressing piece; 18, spring; 19, threaded rod; 20, limit rod; 21, limit column. DETAILED DESCRIPTION
[0021] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0022] Embodiment one: please refer to Figures 1 to 5 The present application provides a technical solution: a wire rubber injection molding machine, comprising: an injection molding machine body 1, the injection molding machine body 1 comprises a fixed mold 2, the fixed mold 2 is provided with a pull plug mechanism 3 on one side, the pull plug mechanism 3 comprises a placement plate 4, the placement plate 4 is detachably installed with a pressing plate 5 on the upper side, the pressing plate 5 is provided with a limit seat 6 at both ends, the limit seat 6 is provided with a limit frame 7 on one side, the limit frame 7 is rotatably connected with a support seat 8 at one end, the limit frame 7 is rotatably connected with an eccentric rod 9 at the other end, and the lower surface of the support seat 8 is fixedly connected with a translation block 10.
[0023] More specifically, before injection molding, the end of the wire is placed in the arc-shaped slot on the placement plate 4, and the translation block 10 is adjusted to move a distance into the injection molding machine body 1. During injection molding, the end of the wire is inserted into the insertion hole in the fixed mold 2, thereby facilitating positioning and fixing. When the wire needs to be pulled out after injection molding is completed, the two ends of the pressing plate 5 are placed on the limiting seat 6, so that the pressing plate 5 presses the wire, and the eccentric rod 9 is pressed away from the limiting seat 6, so that the one end of the limiting frame 7 is lifted by the eccentric rod 9, and the other end of the eccentric rod 9 is rotated towards the limiting seat 6 through the rotating connection with the supporting seat 8, until the one end of the limiting frame 7 abuts against the side wall of the pressing plate 5, thereby limiting and fixing the pressing plate 5 through the limiting frame 7 and the limiting seat 6. At this time, the translation block 10 moves outwardly from the injection molding machine body 1, thereby indirectly driving the pressing plate 5 and the placement plate 4 to move a small distance, and then the wire inserted into the insertion hole in the fixed mold 2 can be pulled out. This not only avoids the trouble of pulling out the wires one by one for the operator, improves the processing efficiency, but also avoids damage to the wire due to uneven stress when pulling out the wires at one time.
[0024] Embodiment two: please refer to Figures 1 to 3 On the basis of embodiment one, the lower surface of the fixed mold 2 is fixedly connected with the lower mold seat 11, the upper surface of the movable mold 12 is fixedly connected with the upper mold seat 13, the buffer 14 is arranged between the upper mold seat 13 and the lower mold seat 11, the buffer 14 is fixedly installed in the injection molding machine body 1, and the upper mold seat 13 is fixedly connected with the telescopic device of the injection molding machine body 1. The telescopic device drives the upper mold seat 13 to ascend and descend, thereby driving the movable mold 12 to move.
[0025] More specifically, before injection molding, the upper mold seat 13 is lifted by the controller, thereby driving the movable mold 12 to be located above the fixed mold 2. At this time, the wire is inserted into the insertion hole in the fixed mold 2 through the groove on the placement plate 4, thereby preliminarily positioning the wire. Then the telescopic device is started to perform encapsulation injection molding, and the buffer 14 arranged between the upper mold seat 13 and the lower mold seat 11 is buffered, thereby avoiding damage to the mold and the wire.
[0026] Embodiment three: please refer to Figures 2 to 5On the basis of embodiment two, the lower die seat 11 is provided with a limiting groove 15 on one side, the limiting groove 15 is fixedly connected with a limiting block 16 at one end, the limiting groove 15 is provided with two and is symmetrically arranged about the center plane of the pressing plate 5, the limiting groove 15 is provided on both sides of one end of the lower die seat 11 and is symmetrically arranged, the outer end of the limiting groove 15 is fixedly connected with the limiting block 16, the lower side of the pressing plate 5 is fixedly connected with the anti-skid pressing piece 17 through the spring 18, one of the limiting grooves 15 is rotatably sleeved with a threaded rod 19, the other limiting groove 15 is fixedly sleeved with a limiting rod 20, and the lower side of the pressing plate 5 is provided with the anti-skid pressing piece 17 arranged in a linear array.
[0027] The anti-skid pressing piece 17 is fixedly connected with the pressing plate 5 through the spring 18, after the spring 18 is compressed, the anti-skid pressing piece 17 can be more closely attached to the wire, one end of the threaded rod 19 rotatably sleeved in the limiting groove 15 on one side, the other end of the threaded rod 19 is rotatably sleeved in the limiting block 16, one end of the limiting rod 20 fixedly sleeved in the limiting groove 15 on the other side, the other end of the limiting rod 20 is fixedly sleeved in the limiting block 16, one end of the threaded rod 19 rotatably sleeved in the limiting block 16, one end of the limiting rod 20 fixedly sleeved in the limiting block 16, both sides of the placement plate 4 are fixedly connected with the translation block 10, and the lower surface of the limiting frame 7 is fixedly connected with the upper surface of the translation block 10.
[0028] The translation block 10 is provided with two and is symmetrically arranged about the center plane of the lower die seat 11, the lower surface of the translation block 10 and the lower surface of the placement plate 4 are slidably connected with the upper surface of the lower die seat 11, both sides of the bottom of the placement plate 4 are fixedly connected with the translation block 10, one end of the limiting frame 7 is rotatably connected with the support seat 8 through a pin shaft, the other end of the limiting frame 7 is rotatably connected with the eccentric rod 9 through a pin shaft, one side of the eccentric rod 9 is provided with a limiting column 21, the limiting column 21 is fixedly installed on the translation block 10, one side of the translation block 10 is threadedly connected with the threaded rod 19, the other side of the translation block 10 is slidably sleeved on the limiting rod 20, the limiting column 21 limits the rotation of the eccentric rod 9, and the end of the threaded rod 19 close to the limiting rod 20 is fixedly sleeved with a hand wheel.
[0029] More specifically, after the injection molding is completed, the lower surfaces of both ends of the pressing plate 5 are attached to the upper surface of the limiting seat 6, a protrusion is arranged at one end of the upper surface of the limiting seat 6, so that the pressing plate 5 is conveniently limited, and the anti-skid pressing piece 17 arranged on the lower side of the pressing plate 5 is closely attached to the outer surface of the wire under the cooperation of the spring 18 during the placement of the pressing plate 5.
[0030] Meanwhile, the eccentric rod 9 is slid on the upper surface of the translation block 10 in the direction away from the limiting seat 6 until the one end of the eccentric rod 9 abuts against the upper surface of the limiting column 21, thereby the one end of the limiting frame 7 is jolted through the rotary connection of the pin shaft, the other end of the limiting frame 7 is rotatably connected with the supporting seat 8 through the pin shaft, thereby the other end of the limiting frame 7 is rotated towards the side wall of the pressing plate 5 until abutting against the side wall of the end of the pressing plate 5, thereby the pressing plate 5 is fixed on the limiting seat 6 under the cooperation of the limiting frame 7 and the protrusion on the upper surface of the limiting seat 6, and the wire is pressed under the cooperation of the anti-skid pressing sheet 17 and the placing plate 4, and then the threaded rod 19 is twisted to drive one of the translation blocks 10 to move outward of the injection molding machine body 1 through the threaded connection with the translation block 10.
[0031] Meanwhile, the other translation block 10 is slid on the limiting rod 20 through the fixed connection of the placing plate 4, thereby the pressing plate 5 is synchronously moved outward a distance under the driving of the translation block 10, and the wire between the anti-skid pressing sheet 17 and the placing plate 4 is synchronously pulled out, thereby the trouble of pulling out the wire one by one is avoided, the processing efficiency is improved, the wire can be pulled out at one time, and the damage of the wire due to uneven stress is avoided.
[0032] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
[0033] Working principle: before injection molding, the end of the wire is inserted into the arc-shaped slot on the placing plate 4, the translation block 10 is adjusted to move a distance into the injection molding machine body 1, during injection molding, the end of the wire is inserted into the insertion hole on the fixed mold 2, thereby the wire is positioned and fixed, when the wire needs to be pulled out after the injection molding is completed, the two ends of the pressing plate 5 are placed on the limiting seat 6 to press the wire, meanwhile, the eccentric rod 9 is pressed in the direction away from the limiting seat 6 to lift the one end of the limiting frame 7, and the other end of the eccentric rod 9 is rotated towards the limiting seat 6 through the rotary connection with the supporting seat 8 until the one end of the limiting frame 7 abuts against the side wall of the pressing plate 5, thereby the pressing plate 5 is clamped and fixed through the limiting of the limiting frame 7 and the limiting seat 6, and the translation block 10 moves outward of the injection molding machine body 1, thereby the pressing plate 5 and the placing plate 4 are indirectly moved a small distance under the driving of the translation block 10, and the wire inserted into the fixed mold 2 is pulled out, finally, the eccentric rod 9 is twisted in the reverse direction to remove the pressing plate 5, thereby the wire can be pulled out conveniently next time.
[0034] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "coupled" or "connected" or "couplable" or "connectable" should not be interpreted as being confined to direct connections only. Thus, the term "coupled" or "connected" or "couplable" or "connectable" can refer to two or more elements that are either in direct contact, or as described herein with respect to the permitted intermediary devices.
Claims
1. A wire coating injection molding machine comprising an injection molding machine body (1), characterized in that: The injection molding machine body (1) includes a fixed mold (2), one side of the fixed mold (2) is provided with an ejection mechanism (3), the ejection mechanism (3) includes a placement plate (4), the upper side of the placement plate (4) is detachably provided with a pressing plate (5), both ends of the pressing plate (5) are provided with a limiting seat (6), one side of the limiting seat (6) is provided with a limiting frame (7), one end of the limiting frame (7) is rotatably connected with a supporting seat (8), the other end of the limiting frame (7) is rotatably connected with an eccentric rod (9), and the lower surface of the supporting seat (8) is fixedly connected with a translation block (10).
2. A wire coating injection molding machine according to claim 1, characterized in that: The lower surface of the fixed mold (2) is fixedly connected with a lower mold base (11), and the upper side of the lower mold base (11) is provided with a movable mold (12).
3. A machine for coating a wire with a plastic material according to claim 2, characterized in that: The upper surface of the movable mold (12) is fixedly connected with an upper mold base (13), and the buffer (14) is fixedly installed in the injection molding machine body (1).
4. A machine for coating a wire with a plastic material according to claim 3, characterized in that: One side of the lower mold base (11) is provided with a limiting groove (15), one end of the limiting groove (15) is fixedly connected with a limiting block (16), and the limiting groove (15) is provided with two limiting grooves (15) and is symmetrically arranged about the center plane of the pressing plate (5).
5. A machine for coating a wire with a plastic material according to claim 4, characterized in that: The lower side of the pressing plate (5) and the anti-skid pressing piece (17) are fixedly connected through the spring (18), one of the limiting grooves (15) is rotatably sleeved with a threaded rod (19), and the other limiting groove (15) is fixedly sleeved with a limiting rod (20).
6. A machine for coating a wire with a plastic material according to claim 5, characterized in that: One end of the threaded rod (19) is rotatably sleeved in the limiting block (16), one end of the limiting rod (20) is fixedly sleeved in the limiting block (16), both sides of the placement plate (4) are fixedly connected with the translation block (10), and the lower surface of the limiting frame (7) is fixedly connected with the upper surface of the translation block (10).
7. A machine for coating a wire with a plastic material according to claim 6, characterized in that: One end of the limiting frame (7) is rotatably connected with the supporting seat (8) through a pin shaft, the other end of the limiting frame (7) is rotatably connected with the eccentric rod (9) through a pin shaft, one side of the eccentric rod (9) is provided with a limiting column (21), the limiting column (21) is fixedly installed on the translation block (10), one side of the translation block (10) is threadedly connected with the threaded rod (19), and the other translation block (10) is slidably sleeved on the limiting rod (20).