In-mold nylon rope tightening structure

Abstract

The utility model discloses an in-mold nylon rope tightening structure. The device comprises the die, the containing groove formed in the upper side of the center of the die, the pressing and covering assemblies arranged on the two sides of the containing groove and the tensioning assembly arranged outside the rear end of the die, when a rope body needs to be installed in the die, the rope body is folded and inserted into the containing groove, the inlet end of the rope body is clamped through a side clamp to avoid movement, and the rope body is placed in the containing groove. Meanwhile, two groups of elastic clamps in the middle section elastically and transversely clamp the rope body, a knob is twisted to drive a first bevel gear to rotate, and a lower pressing plate is driven to vertically and downwards extrude the upper side of the rope body clamped by the elastic clamps, so that the rope body is stably and firmly mounted in a placement groove, vertical and transverse deviation is avoided, the relative stability between the rope body and the mold is improved, and the production efficiency is improved. The clamping threads on the lower surface of the clamping plate are embedded with the threads on the outer wall of the wrapping rod, so that the wrapping rod can be locked, shaking is avoided in the tensioning process, and the tensioning operation of the rope body is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tightening structure technical field, concretely is a kind of in-mold nylon rope tightening structure. BACKGROUND

[0002] Nylon rope needs to be installed when injection molding product is formed, and the clamping and automatic tensioning device designed in the mold facilitates the installation of nylon rope and the injection molding of product.

[0003] The existing public patent (publication number CN113733449A) discloses a zipper pull rope preparation process, which is formed by twice molding of a first mold and a second mold to form an injection molding body, wherein the reflector is placed in the mold cavity of the first mold to form a semi-finished injection molding body, and then the semi-finished injection molding body is pre-fixed with the reflector and the pull rope, and the second mold cavity of the second mold is used to further mold the semi-finished injection molding body to form an injection molding body, so that the injection molding body is firmly fixed with the pull rope and the reflector, and the use effect of the reflector is not affected in the secondary molding, the reflector can be better positioned, and in this way, the surface finish of the injection molding body after injection molding is high, the filling property inside the injection molding body is good, the use strength is improved, the difficulty of single injection molding in molding is reduced, and thus the preparation process difficulty of the zipper pull rope is reduced.

[0004] However, there are some problems in the use of the existing mold: 1. The current mold does not have a positioning structure for the rope body when synchronously injecting the rope body in the injection molding part, which causes deviation and affects the accuracy of the position of the rope body in the injection molding part. 2. The existing mold does not have a straightening operation for the rope body, which causes the rope body to bend in the mold of the injection molding part and cannot control the stable cooperation of the rope body with the injection molding part. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an in-mold nylon rope tightening structure to solve the problems raised in the background art.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a mold, a placing groove opened on the upper side of the center of the mold, a pressure covering assembly arranged on both sides of the placing groove, and a tensioning assembly arranged on the outer rear end of the mold.

[0007] The pressure covering assembly comprises elastic clamps arranged on both sides of the middle section of the placing groove, a bottom groove is opened in the lower end of the elastic clamp, a first bevel gear is arranged on the inner wall of the side of the bottom groove away from the placing groove, a knob is connected with the outer end of the first bevel gear in a matching manner, and a second bevel gear is arranged on the upper end inner wall of the bottom groove.

[0008] The tension assembly includes a tension machine arranged outside the rear end of the mold, a pull rod is arranged on the left side of the tension machine, a bag rod is engagedly installed on the left end of the pull rod, a top groove is formed in the upper end side wall of the pull rod, and a clamping plate is movably embedded in the top groove.

[0009] As a further scheme of the utility model: the bottom groove is provided with a sliding groove on the upper end thereof, a screw rod is installed in the sliding groove, a sliding plate is sleeved on the outer wall of the screw rod, and a pressing plate is arranged on the upper end side wall of the sliding plate.

[0010] As a further scheme of the utility model: the sliding groove is provided with a limiting groove in the side wall thereof, and the side wall of the sliding plate is provided with a limiting plate matched with the limiting groove.

[0011] As a further scheme of the utility model: the side wall of the top groove is provided with an edge groove, and the side wall of the clamping plate is provided with an edge plate matched with the edge groove.

[0012] As a further scheme of the utility model: a hydraulic rod is installed on the upper end side wall of the edge plate, and a spring is sleeved on the outer wall of the hydraulic rod.

[0013] As a further scheme of the utility model: the clamping thread arranged on the lower side of the clamping plate is matched with the screw thread arranged on the outer wall of the bag rod.

[0014] As a further scheme of the utility model: the front end of the placing groove is provided with a side clamp on the two side surfaces thereof.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、When the rope body needs to be installed in the mold, the rope body is folded and inserted between the placing grooves, the entry end of the rope body is clamped by the side clamp to avoid movement, the middle two groups of elastic clamps are elastically clamped transversely, the knob is twisted to drive the first bevel gear to rotate, the second bevel gear is engaged to rotate, the screw rod connected with the second bevel gear is rotated, the sliding plate is moved downward in the sliding groove, the pressing plate is vertically downward pressed under the limitation of the limiting plate embedded in the limiting groove, the rope body is pressed on the upper side of the elastic clamps, the rope body is stably and firmly installed in the placing groove, the vertical and horizontal deviation is avoided, and the relative stability between the rope body and the mold is improved.

[0017] 2、The utility model discloses a rope body is pulled tight to different diameter size, in order to avoid the rope body from the smooth end of tightening assembly slip, need to change the end of tightening assembly to corresponding size, pull up the clamping plate and make it move up in the top groove, make the lower end of clamping plate separate the threaded side wall of sheath pole, and drive the edge plate to move up in the edge groove, extrude the hydraulic rod and spring and produce potential energy, twist sheath pole and make it engage and disengage in the pull rod screw, replace the sheath pole of end bigger size and engage and rotate and install in the pull rod screw, loosen the tension of clamping plate, and spring releases potential energy, and push down the edge plate and drive clamping plate to move down, make the clamping thread on the lower surface of clamping plate and the thread on the outer wall of sheath pole mutually embed, can lock the installation of sheath pole, avoid shaking in the process of pulling tight, thereby the pulling tight operation of rope body is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole schematic diagram of the embodiment of the utility model;

[0019] Figure 2 It is the schematic diagram of the embodiment of the utility model; Figure 1 It is the partial enlarged schematic diagram of A bureau;

[0020] Figure 3 It is the schematic diagram of the compression assembly of the embodiment of the utility model;

[0021] Figure 4 It is the schematic diagram of the tightening assembly of the embodiment of the utility model.

[0022] In the drawing: 1, mold;2, place groove;3, edge clamp;401, elastic clamp;402, bottom groove;403, first bevel gear;404, knob;405, second bevel gear;406, sliding slot;407, screw;408, sliding plate;409, limit groove;410, limit plate;411, lower pressing plate;501, tension machine;502, pull rod;503, sheath pole;504, top groove;505, clamping plate;506, edge groove;507, edge plate;508, hydraulic rod;509, spring. DETAILED DESCRIPTION

[0023] In order to facilitate the problem, the utility model embodiment provides a kind of in-mold nylon rope tightening structure. Below, the technical scheme in the embodiment of the utility model will be clearly and completely described by combining with the drawings in the embodiment of the utility model, apparently, the described embodiment is only part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the scope of the utility model protection.

[0024] Embodiment one

[0025] As Figures 1 to 4As shown, the embodiment provides a kind of in-mold nylon rope tightening structure, including mold 1, the placement groove 2 being set in the center upper side of mold 1, the pressure covering component being set in the both sides of placement groove 2 and the tensioning component being set in the external of the rear end of mold 1;

[0026] The pressure covering component includes the elastic clamp 401 being set in the both sides of the middle section of placement groove 2, the bottom groove 402 being opened in the inner of the lower end of elastic clamp 401, the first bevel gear 403 being set in the inner wall of the side of bottom groove 402 away from placement groove 2, the knob 404 being connected with the outer end of first bevel gear 403, the second bevel gear 405 being set in the inner wall of the upper end of bottom groove 402, the rope body being clamped by elastic clamp 401 is extruded vertically downwards by lower pressing plate 411, so that the rope body is stably and firmly installed in placement groove 2, avoids the deviation of vertical and horizontal, improves the relative stability between rope body and mold 1.

[0027] The tensioning component includes the tensioning machine 501 being set in the external of the rear end of mold 1, the pull rod 502 being set in the left side of tensioning machine 501, the sleeve rod 503 being installed in the left end of pull rod 502, the top groove 504 being opened in the upper end side wall of pull rod 502, the clamping plate 505 being movably embedded in the inner of top groove 504, the potential energy of spring 509 is released, the clamping plate 505 is driven to move downwards by side plate 507, the clamping thread on the lower surface of clamping plate 505 is embedded with the thread on the outer wall of sleeve rod 503, so that the sleeve rod 503 is locked, avoids shaking in the process of tensioning, so that the tensioning operation of rope body is more stable.

[0028] Embodiment two

[0029] In addition to including all technical features in embodiment one, the embodiment includes: the sliding groove 406 is opened in the outer of the upper end of bottom groove 402, the screw rod 407 is installed in the inner of sliding groove 406, the sliding plate 408 is sleeved with the outer wall of screw rod 407, the lower pressing plate 411 is set in the upper end side wall of sliding plate 408, the rope body clamped by elastic clamp 401 is extruded vertically downwards by lower pressing plate 411, so that the rope body is stably and firmly installed in placement groove 2, avoids the deviation of vertical and horizontal.

[0030] Further, the limiting groove 409 is opened in the side wall of sliding groove 406, the limiting plate 410 is set in the side wall of sliding plate 408 and matched with limiting groove 409, the lower pressing process of lower pressing plate 411 is more stable under the limiting of limiting plate 410 embedded in limiting groove 409.

[0031] Further, the side groove 506 is arranged on the side wall of the top groove 504, the side plate 507 is arranged on the side wall of the clamping plate 505 and matched with the side groove 506, the side plate 507 is driven to move upwards in the side groove 506, the potential energy of the spring 509 is released, the side plate 507 is pushed downwards, the clamping plate 505 is driven to move downwards, and the locking and disengaging process is more stable.

[0032] Further, the hydraulic rod 508 is arranged on the upper end of the side wall of the side plate 507, the spring 509 is matched with the outer wall of the hydraulic rod 508, the side plate 507 is driven to move upwards in the side groove 506, the hydraulic rod 508 and the spring 509 are extruded to generate potential energy, the tension on the clamping plate 505 is released, the potential energy of the spring 509 is released, the side plate 507 is pushed downwards, the clamping plate 505 is driven to move downwards, and the locking and disengaging process is more convenient.

[0033] As a further scheme of the utility model: the clamping thread arranged on the lower side of the clamping plate 505 is matched with the thread arranged on the outer wall of the bag rod 503, the clamping thread on the lower surface of the clamping plate 505 is matched with the thread on the outer wall of the bag rod 503, the bag rod 503 is locked, and the shaking during the tensioning process is avoided.

[0034] As a further scheme of the utility model: the side clamps 3 are arranged on the two side surfaces of the front end of the placing groove 2, the inlet end of the rope is clamped by the side clamps 3, and the movement is avoided.

[0035] Working principle: when the rope body needs to be installed in the mold 1, the rope body is folded and inserted between the placing grooves 2, the entry end of the rope body is clamped by the side clamp 3 to avoid movement, and is clamped by the two groups of elastic clamps 401 in the lateral direction, the knob 404 is twisted to drive the first bevel gear 403 to rotate, the second bevel gear 405 is driven to rotate, the screw rod 407 connected with the second bevel gear 405 is driven to rotate, the sliding plate 408 is driven to move downward in the sliding groove 406, and the lower pressing plate 411 is driven to vertically downwardly press the upper side of the rope body clamped by the elastic clamps 401 under the limitation of the limiting plate 410 embedded in the limiting groove 409, so that the rope body is stably and firmly installed in the placing groove 2, the vertical and lateral deviation is avoided, and the relative stability between the rope body and the mold 1 is improved, when the rope body of different diameters is tensioned, in order to avoid that the rope body slips off from the smooth end of the tensioning assembly, the clamping plate 505 is pulled upward to move upward in the top groove 504, the lower end of the clamping plate 505 is separated from the threaded side wall of the wrapping rod 503, the side plate 507 is driven to move upward in the side groove 506, the hydraulic rod 508 and the spring 509 are pressed to generate potential energy, the wrapping rod 503 is twisted to be disengaged from the screw hole of the pull rod 502, the wrapping rod 503 of a larger size is engaged and rotatably installed in the screw hole of the pull rod 502, the pulling force on the clamping plate 505 is released, the potential energy of the spring 509 is released, the side plate 507 is pushed downward to drive the clamping plate 505 to move downward, and the clamping threads on the lower surface of the clamping plate 505 are engaged with the threads on the outer wall of the wrapping rod 503, so that the wrapping rod 503 can be locked and installed, the shaking during tensioning is avoided, and the tensioning operation of the rope body is more stable.

[0036] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0037] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An in-mold nylon cord cinching structure characterized by: The utility model relates to a moulding machine, which comprises a mould (1), a placing groove (2) formed on the upper side of the center of the mould (1), a pressing assembly arranged on both sides of the placing groove (2), and a tensioning assembly arranged on the outer side of the rear end of the mould (1). The pressing assembly comprises elastic clamps (401) arranged on both sides of the middle section of the placing groove (2), a bottom groove (402) formed in the inner side of the lower end of the elastic clamp (401), a first bevel gear (403) arranged on the inner wall of the side of the bottom groove (402) away from the placing groove (2), a knob (404) connected with the outer end of the first bevel gear (403), and a second bevel gear (405) arranged on the inner wall of the upper end of the bottom groove (402). The tensioning assembly comprises a tensioning machine (501) arranged on the outer side of the rear end of the mould (1), a pull rod (502) arranged on the left side of the tensioning machine (501), a clamping rod (503) installed on the left end of the pull rod (502), a top groove (504) formed in the side wall of the upper end of the pull rod (502), and a clamping plate (505) movably embedded in the top groove (504).

2. An in-mold nylon cord cinching structure according to claim 1, wherein: A sliding groove (406) is formed in the outer side of the upper end of the bottom groove (402), a screw rod (407) is installed in the sliding groove (406), a sliding plate (408) is sleeved on the outer wall of the screw rod (407), and a pressing plate (411) is arranged on the side wall of the upper end of the sliding plate (408).

3. An in-mold nylon cord cinching structure according to claim 2, wherein: A limiting groove (409) is formed in the side wall of the sliding groove (406), and a limiting plate (410) is arranged on the side wall of the sliding plate (408) and matched with the limiting groove (409).

4. An in-mold nylon cord cinching structure according to claim 1, wherein: An edge groove (506) is formed in the side wall of the top groove (504), and an edge plate (507) is arranged on the side wall of the clamping plate (505) and matched with the edge groove (506).

5. An in-mold nylon cord cinching structure according to claim 4, wherein: A hydraulic rod (508) is installed on the side wall of the upper end of the edge plate (507), and a spring (509) is sleeved on the outer wall of the hydraulic rod (508).

6. An in-mold nylon cord cinching structure according to claim 1, wherein: The clamping thread arranged on the lower side of the clamping plate (505) is matched with the thread arranged on the outer wall of the clamping rod (503).

7. An in-mold nylon cord cinching structure according to claim 1, wherein: Edge clamps (3) are arranged on the surfaces on both sides of the front end of the placing groove (2).

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