Luggage pull rod die

Abstract

The utility model relates to the technical field of pull rod dies, in particular to a luggage pull rod die, which is characterized in that a flow guide pipe and an annular groove are arranged in the middle of a top die, the flow guide pipe is positioned in the middle of the annular groove, an annular heating block is arranged in the annular groove, a heating wire is arranged in the annular heating block, and the heating wire is arranged in the annular heating block. First adapters located at the upper end of the annular heating block are arranged at the two ends of the heating wire, a control box is arranged at the upper end of the top die, a plurality of second adapters are arranged on the control box and are in butt joint with the first adapters through wires, and the annular heating block is in threaded connection with the annular groove. The annular heating block is arranged in the annular groove of the top mold to heat materials, so that the materials are prevented from being solidified in the flow channel, the conveying stability of the materials in the flow guide pipe is ensured, and the injection molding quality of the luggage pull rod is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a draw -bar mould technical field, concretely is a luggage draw -bar mould. BACKGROUND

[0002] With the continuous development of luggage leather goods industry, the type of production luggage is also increasing, and the luggage includes box body, running wheel, draw -bar and other components, wherein the function of draw -bar is that the component of luggage can be easily pulled, usually made of metal or plastic, and there are single -tube draw -bar and double -tube draw -bar, when producing draw -bar, mould needs to be used,

[0003] The existing luggage draw -bar mould lacks heating mechanism in the runner on the top die, when single injection is completed, the material is easy to solidify in the runner, which will affect the stability of material conveying in the runner, and further reduce the injection quality of luggage draw -bar. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiency of prior art, the utility model provides a luggage draw -bar mould.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a luggage draw -bar mould, including processing table, the upper end of processing table is equipped with bottom die, the upper end of bottom die is equipped with top die, and the four corners of bottom die are equipped with vertical rod through top die, two symmetrical bending rods through processing table are arranged on the both sides of top die, the bottom end of two bending rods is connected through connecting plate, and the middle part of connecting plate is equipped with fixing seat, the lower end of processing table is equipped with motor, the output end of motor is equipped with screw rod through fixing seat;

[0008] The middle part of top die is equipped with flow guide pipe and annular groove, and the flow guide pipe is located in the middle part of annular groove, the annular heating block is equipped in the annular groove, the inside of annular heating block is equipped with heating wire, the both ends of heating wire are equipped with first adapter on the upper end of annular heating block, the upper end of top die is equipped with control box, a plurality of second adapters are equipped on control box, the second adapter is butt jointed with first adapter through wire, and the annular heating block is screw connected with annular groove.

[0009] In order to facilitate the assembly of bottom plate at the bottom end of bending rod, the utility model improves that, the both ends of connecting plate are equipped with bottom plate, and the bottom plate and connecting plate are integrated structure, the bottom end of bending rod is equipped with positioning plate, and the positioning plate is fixed on the upper end of bottom plate through screw.

[0010] In order to improve the stability of the bottom plate when lifting, the utility model discloses the improvement has, the lower extreme of processing platform is equipped with a plurality of guide rod that passes through the bottom plate, and the bottom plate and guide rod sliding butt joint.

[0011] Further, the utility model discloses the improvement has, the motor adopts servo motor.

[0012] Further, the utility model discloses the improvement has, be equipped with a plurality of the knob on annular heating block.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a kind of luggage pull rod mould, with following beneficial effects:

[0015] Improve injection quality: by setting annular heating block in the annular groove of top die, material is heated, avoid material solidification in flow channel, ensure the stability of material conveying in flow guide pipe, to significantly improve the injection quality of luggage pull rod.

[0016] Stable mold opening and closing movement: motor-driven screw rod is used, top die is driven to lift by fixed seat, connecting plate and bent rod, and guide rod cooperates with bottom plate, ensure the stability of mold opening and closing process, reduce the abrasion of mould, prolong the service life of mould.

[0017] Easy to maintain and operate: annular heating block and annular groove are connected by screw thread, and knob is set, easy to install, disassemble and maintain. DRAWINGS

[0018] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the second perspective three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the front view of the utility model Figure 1 ;

[0021] Figure 4 It is the side view of the utility model Figure 1 ;

[0022] In the drawing: 1, processing platform;2, bottom die;3, top die;4, vertical rod;5, bent rod;6, bottom plate;7, guide rod;8, connecting plate;9, fixed seat;10, motor;11, screw rod;12, flow guide pipe;13, annular groove;14, first adapter;15, knob;16, control box;17, second adapter;18, annular heating block. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The utility model discloses a luggage pull rod mould, including processing platform 1, the upper end of processing platform 1 is equipped with bottom die 2, the upper end of bottom die 2 is equipped with top die 3, and the four corners of bottom die 2 are equipped with vertical rod 4 that penetrates top die 3, the both sides of top die 3 are provided with two bent bars 5 that penetrate processing platform 1, and the bottom of two bent bars 5 is connected through connecting plate 8, and the middle part of connecting plate 8 is equipped with fixed base 9, the lower end of processing platform 1 is equipped with motor 10, and the output end of motor 10 is equipped with screw rod 11 that penetrates fixed base 9;

[0025] The middle part of top die 3 is equipped with draft tube 12 and annular groove 13, and draft tube 12 is located in the middle part of annular groove 13, annular heating block 18 is equipped in annular groove 13, heating wire is equipped in the inside of annular heating block 18, the both ends of heating wire are equipped with first adapter 14 on the upper end of annular heating block 18, the upper end of top die 3 is equipped with control box 16, a plurality of second adapters 17 are equipped on control box 16, second adapter 17 is butt jointed with first adapter 14 through wire, and annular heating block 18 is screw connected with annular groove 13.

[0026] In the embodiment, the both ends of connecting plate 8 are equipped with bottom plate 6, and connecting plate 8 and bottom plate 6 are integrated structure, the bottom of bent bar 5 is equipped with positioning plate, and the upper end of bottom plate 6 is fixed with positioning plate through screw, and the fixed mode of screw can make bottom plate 6 and bent bar 5 easy to assemble.

[0027] In the embodiment, motor 10 adopts servo motor.

[0028] In the embodiment, a plurality of shift blocks 15 are equipped on annular heating block 18.

[0029] The plurality of shift blocks 15 arranged on annular heating block 18 can make annular heating block 18 more convenient to rotate when needing to disassemble or install annular heating block 18.

[0030] The opening and closing principle of the mold is as follows: the motor 10 (a servo motor is adopted) under the processing table 1 is started, and the output end of the motor 10 starts to rotate. Since the screw rod 11 penetrates through the fixed seat 9, the fixed seat 9 is arranged at the middle part of the connecting plate 8, and the connecting plate 8 is connected to the bottom ends of the two symmetrical bent rods 5 on the two sides of the top die 3. When the screw rod 11 rotates, the fixed seat 9 moves up and down, and then drives the top die 3 to move up and down along the vertical rods 4 at the four corners of the bottom die 2 through the connecting plate 8 and the bent rods 5, so as to realize the opening and closing action of the mold.

[0031] The guide rod 7 penetrates through the bottom plate 6, and the bottom plate 6 is slidably connected with the guide rod 7, which ensures that the bottom plate 6 connected with the bent rod 5 can stably move up and down during the lifting of the top die 3, avoids shaking, and improves the stability of the opening and closing of the mold.

[0032] The heating principle is as follows: the middle part of the top die 3 is provided with an annular groove 13, and an annular heating block 18 is arranged in the annular groove 13. The annular heating block 18 is connected with the annular groove 13 through threads, so as to be convenient for installation and disassembly. The annular heating block 18 is internally provided with a heating wire, and the two ends of the heating wire are led out through the first adapter 14.

[0033] The control box 16 at the upper end of the top die 3 is provided with a plurality of second adapters 17, and the second adapters 17 are connected with the first adapter 14 through wires. The control box 16 can supply power to the heating wire to heat the heating wire, and then heat the material in the flow guide pipe 12 in the annular groove 13.

[0034] The flow guide pipe 12 is located at the middle part of the annular groove 13, and the heated material flows to the mold cavity through the flow guide pipe 12 for injection molding.

[0035] 1) Install the bottom die 2 at the upper end of the processing table 1.

[0036] 2) Screw the annular heating block 18 into the annular groove 13 of the top die 3 through threads, and tighten the annular heating block 18 by using the push block 15 on the annular heating block 18 to ensure firm installation.

[0037] 3) Connect the second adapter 17 on the control box 16 with the first adapter 14 on the annular heating block 18 through wires to prepare for supplying power to the heating wire.

[0038] 4) Install the motor 10 at the lower end of the processing table 1, and connect the screw rod 11 with the fixed seat 9 to ensure that the screw rod 11 can smoothly drive the fixed seat 9 to move.

[0039] 5) Start the motor 10, the motor 10 drives the screw rod 11 to rotate, the screw rod 11 drives the fixed seat 9 to rise, the fixed seat 9 drives the bent rod 5 to rise through the connecting plate 8, so that the top die 3 moves downward along the vertical rod 4, until the top die 3 is tightly attached to the bottom die 2, and the closing action of the mold is completed.

[0040] 6) Turn on the power of the control box 16, and make the current flow through the wire to the heating wire through the second adapter 17 and the first adapter 14, and the heating wire generates heat to heat the material in the flow guide pipe 12, so that the material maintains good fluidity.

[0041] 7) The heated material flows into the mold cavity through the flow guide pipe 12, and the luggage pull rod is injection molded.

[0042] 8) After the injection molding is completed, turn off the power of the control box 16 to stop heating the material.

[0043] 9) Start the motor 10 again, and the motor 10 reverses, the screw rod 11 drives the fixed seat 9 to rise, and then the top die 3 moves upward along the vertical rod 4 to realize the mold opening.

[0044] 10) Take out the molded luggage pull rod from the mold.

[0045] By setting the annular heating block 18 in the annular groove 13 of the top die 3, the material is heated, which avoids the solidification of the material in the flow channel and ensures the stability of the material conveying in the flow guide pipe 12, thereby significantly improving the injection molding quality of the luggage pull rod.

[0046] In the embodiment, the lower end of the processing table 1 is provided with a plurality of guide rods 7 penetrating the bottom plate 6, and the bottom plate 6 and the guide rod 7 are slidingly connected;

[0047] The motor 10 drives the screw rod 11, the fixed seat 9, the connecting plate 8 and the bent rod 5 drive the top die 3 to rise and fall, and the guide rod 7 cooperates with the bottom plate 6 to ensure the stability of the mold opening and closing process, reduce the wear of the mold, and prolong the service life of the mold.

[0048] The annular heating block 18 and the annular groove 13 are threadedly connected, and the poking block 15 is arranged to facilitate installation, disassembly and maintenance. At the same time, the motor 10 is a servo motor, which can accurately control the speed and position of the mold opening and closing, and improve the accuracy and controllability of the operation.

[0049] The structure design of the mold is relatively simple, and for different specifications of the luggage pull rod, the specific shape and size of the bottom die 2 and the top die 3 can be replaced to adapt to the production needs of various products, and has high universality.

[0050] In the description of the text, it needs to be explained that the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0051] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A luggage rod mold, comprising a processing table (1), the upper end of the processing table (1) is provided with a bottom die (2), the upper end of the bottom die (2) is provided with a top die (3), and the four corners of the bottom die (2) are provided with vertical rods (4) penetrating the top die (3), characterized in that: Two bending rods (5) penetrating the machining table (1) are symmetrically arranged at two sides of the top die (3), the bottom ends of the two bending rods (5) are connected through a connecting plate (8), the middle part of the connecting plate (8) is provided with a fixing seat (9), the lower end of the machining table (1) is provided with a motor (10), the output end of the motor (10) is provided with a screw rod (11) penetrating the fixing seat (9); The middle part of the top die (3) is provided with a flow guide pipe (12) and an annular groove (13), the flow guide pipe (12) is located in the middle part of the annular groove (13), the annular groove (13) is provided with an annular heating block (18), the inside of the annular heating block (18) is provided with a heating wire, the two ends of the heating wire are provided with a first adapter (14) located at the upper end of the annular heating block (18), the upper end of the top die (3) is provided with a control box (16), a plurality of second adapters (17) are arranged on the control box (16), the second adapters (17) and the first adapters (14) are butt jointed through wires, the annular heating block (18) is threadedly connected with the annular groove (13).

2. The luggage rod mold according to claim 1, wherein: The two ends of the connecting plate (8) are provided with a bottom plate (6), and the bottom plate (6) and the connecting plate (8) are an integral structure.

3. The luggage rod mold according to claim 2, wherein: The bottom end of the bending rod (5) is provided with a positioning plate, and the positioning plate is fixed on the upper end of the bottom plate (6) through screws.

4. The luggage rod mold according to claim 3, wherein: The lower end of the machining table (1) is provided with a plurality of guide rods (7) penetrating the bottom plate (6), and the bottom plate (6) and the guide rods (7) are slidingly butt jointed.

5. The luggage rod mold according to claim 4, wherein: The motor (10) is a servo motor.

6. A luggage rod mould as claimed in claim 5, wherein: A plurality of toggle blocks (15) are arranged on the annular heating block (18).

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