Die heating mechanism

Abstract

The utility model relates to a mould heating mechanism which comprises a heating pipe, and further comprises a mounting frame, a fixing cover, a heating block, a supporting rod, a spring and a pressure head sleeve, the heating pipe is arranged in the heating block in a penetrating manner, the heating pipe is fixedly arranged in the fixing cover, and the upper end of the heating block protrudes out of the fixing cover; the supporting rod is fixedly connected to the fixing cover and erected below the fixing cover, a limiting block is formed at the lower end of the supporting rod, the pressing head sleeve is arranged on the limiting block in a penetrating mode, a handle is fixedly connected to the end of the fixing cover, and the spring is arranged on the supporting rod in a sleeving mode and located between the fixing cover and the pressing head sleeve. The mounting frame with the inverted-U-shaped section is fixedly arranged below the mold. The mold heating mechanism is more convenient to disassemble and assemble, operation during mold replacement is facilitated, the heat transfer efficiency is higher, the loss of electric quantity is reduced, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould accessory technical field, especially a mould heating mechanism. BACKGROUND

[0002] In the production of shoes, the combination of the upper and the sole is realized by a mould, the upper is fixed on the upper mould, the sole material is injected into the mould cavity of the lower mould, the upper and the lower mould are combined to make the upper combine with the sole cooled and formed in the lower mould, in order to prevent the sole material in the lower mould from cooling and solidifying before the mould is combined, the lower mould needs to be heated to a certain temperature to ensure the fluidity of the sole material, in the prior art, the heating mode of the mould is to process a mounting hole in the mould, a heating pipe is installed in the mounting hole, and the mould is heated through the heating pipe, but this heating structure needs to frequently replace the mould due to different shoe models, and the heating pipe needs to be frequently plugged in and pulled out between different moulds when the mould is replaced, the heating pipe needs to be operated after cooling when the heating pipe is plugged in and pulled out, which is time-consuming, and the worker is easy to pull off the lead of the heating pipe when plugging in and pulling out the heating pipe, which has safety hazards, and in order to facilitate the plugging in and pulling out of the heating pipe, the inner diameter of the mounting hole processed on the mould is generally larger than the outer diameter of the heating pipe, so that the gap between the heating pipe and the mould is large, which leads to poor heat transfer efficiency, increases the power loss and increases the production cost, and the heating pipe removed from the mould is exposed when idle, which is easy to be damaged.

[0003] In view of the above problems, the utility model improves. UTILITY MODEL CONTENTS

[0004] The utility model provides a mould heating mechanism, solves the above -mentioned problems existing in the prior art in the using process.

[0005] The technical scheme of the utility model is as follows:

[0006] A kind of mould heating mechanism, including heating pipe, still including installation frame, fixed cover, heating block, support rod, spring and pressure head sleeve, the heating pipe is arranged in heating block, the heating pipe is fixedly arranged in fixed cover and the upper end of heating block protrudes from fixed cover, the support rod is fixedly connected on fixed cover and stands below fixed cover and the lower end of support rod forms a limit block, the pressure head sleeve is arranged on the limit block, the fixed cover end is fixedly connected with handle, the spring is sleeved on support rod between fixed cover and pressure head sleeve, the installation frame with inverted U-shaped cross section is fixedly arranged below mould.

[0007] Preferably, the fixed cover is provided with a protective box on one side of the heating block, and the lead and thermocouple of the heating pipe are arranged in the protective box.

[0008] Preferably, the heating block is made of aluminum material.

[0009] Preferably, the upper end edge of the heating block is chamfered.

[0010] Preferably, a plurality of fastening bolts are arranged on the fixing cover and screwed into the heating block.

[0011] Preferably, the upper end of the supporting rod is screwed into the heating block through the fixing cover, a fastening nut is screwed on the supporting rod and abuts against the lower end surface of the fixing cover, a first abutting plate and a second abutting plate are arranged on the supporting rod in a vertical distribution, the second abutting plate is fixedly connected to the pressing head sleeve, and the spring is located between the first abutting plate and the second abutting plate.

[0012] Preferably, the front end of the horizontal part of the mounting frame is formed with a first guide plate inclined downward, and the front end of the vertical part of the mounting frame is formed with a second guide plate inclined outward.

[0013] In summary, the heating mechanism is disassembled and assembled through the elastic expansion of the pressing head sleeve and the mounting frame, which is more convenient to operate, facilitates the disassembly and assembly of the heating mechanism during the replacement of the mold, and the disassembly and assembly of the heating mechanism can be performed in real time by holding the handle without waiting for the heating pipe to cool down, which saves time, and after the heating mechanism is installed, the heating block and the mold are in close contact and have a larger contact area, the heating pipe and the heating block do not need to be disassembled, the heating pipe and the heating pipe are in close contact, the heat transfer efficiency of the heating pipe to the mold is higher, the power loss is smaller, the production cost is saved, and after the heating mechanism is removed from the mold, the heating pipe is located in the heating block and does not contact the outside, which can better protect the heating pipe from damage and prolong the service life of the heating mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0015] Fig. 1 is a structural schematic diagram of the present application;

[0016] Fig. 2 is a structural schematic diagram of the present application without the fixing frame;

[0017] Fig. 3 is an exploded schematic diagram of the present application.

[0018] In the figure: 1, mold; 2, mounting frame; 21, first guide plate; 22, second guide plate; 3, fixed cover; 31, handle; 32, fastening bolt; 33, fastening nut; 4, heating block; 5, heating pipe; 6, support rod; 61, limiting block; 7, spring; 8, pressure head sleeve; 9, protective box; 10, first abutting plate; 11, second abutting plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. Figs. 1-3 The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model.

[0020] As shown in the figure, a mold heating mechanism, comprising heating pipe 5, mounting frame 2, fixed cover 3, heating block 4, support rod 6, spring 7 and pressure head sleeve 8, the heating pipe 5 is arranged in the heating block 4, the heating pipe 5 is fixedly arranged in the fixed cover 3 and the upper end of heating block 4 protrudes from the fixed cover 3, the support rod 6 is fixedly connected to the fixed cover 3 and stands below the fixed cover 3, and the lower end of support rod 6 forms a limiting block 61, the pressure head sleeve 8 is arranged on the limiting block 61, the fixed cover 3 is fixedly connected with handle 31 on the end, the handle 31 is sleeved with heat insulation sleeve, the spring 7 is sleeved on the support rod 6 between the fixed cover 3 and the pressure head sleeve 8, and the mounting frame 2 with inverted U-shaped cross section is fixedly arranged below the mold 1.

[0021] In the above structure, the mounting frame 2 is fixedly connected to the lower end of the mold 1 by welding or bolt connection or the like. When the heating mechanism is mounted, the fixed cover 3 is inserted into the mounting frame 2 from the opening at the front end of the mounting frame 2 by holding the handle 31. During the insertion of the fixed cover 3 into the mounting frame 2, the pressure head sleeve 8 is pushed up on the support rod 6 by the bottom plate of the mounting frame 2 to compress the spring 7, and the sliding of the pressure head sleeve 8 on the support rod 6 is limited by the limiting block 61 to keep the pressure head sleeve 8 sliding on the support rod 6. When the fixed cover 3 is completely inserted into the mounting frame 2, the pressure head sleeve 8 is tightly abutted against the bottom plate of the mounting frame 2 under the restoring force of the spring 7, and the heating block 4 is tightly abutted against the lower end surface of the mold 1 under the restoring force of the spring 7. After the heating pipe 5 is electrified, heat is transferred to the heating block 4, and the heating block 4 transfers heat to the mold 1 to heat the mold 1. When the heating mechanism is disassembled, the heating block 4 is separated from the lower end surface of the mold 1 by pressing the end of the fixed cover 3 downward by holding the handle 31, and the fixed cover 3 can be taken out from the mounting frame 2 by pulling it outward to realize the disassembly of the heating mechanism. The above-mentioned operation of mounting and disassembling the heating mechanism is very convenient, which facilitates the disassembly of the heating mechanism when the mold 1 is replaced. Moreover, the disassembly operation of the heating mechanism does not need to be performed after the heating pipe 5 is cooled down due to the effect of the heat insulation sleeve on the handle 31, and the operation can be performed in real time by holding the handle 31, which saves time and eliminates the safety hazard of wire breakage of the heating pipe 5. Moreover, after the heating mechanism is mounted, the contact between the heating block 4 and the mold 1 is very close and the contact area is larger, and the contact between the heating pipe 5 and the heating pipe 5 is very close due to the fact that the heating pipe 5 and the heating block 4 do not need to be disassembled, which makes the heat transfer efficiency of the heating pipe 5 to the mold 1 higher and the power loss smaller, thereby saving the production cost. Moreover, after the heating mechanism is dismounted from the mold 1, the heating pipe 5 is located in the heating block 4 and does not contact the outside, which can better protect the heating pipe 5 from damage and prolong the service life of the heating mechanism.

[0022] Preferably, the fixed cover 3 is provided with a protection box 9 on one side of the heating block 4, and the wires of the heating pipe 5 and the thermocouple are arranged in the protection box 9. The wires of the heating pipe 5 and the thermocouple are inserted into the wire sleeve provided at the end of the fixed cover 3 and connected with the plug. The protection box 9 protects the heating pipe 5 and the wires and the thermocouple from being exposed to the outside to avoid damage and prolong the service life of the heating mechanism.

[0023] Preferably, the heating block 4 is made of aluminum material. Based on the characteristics of aluminum material, the heating block 4 has good heat conductivity, thereby ensuring the heat transfer efficiency of the heating pipe 5 to the mold 1, reducing the power loss and saving the production cost.

[0024] Preferably, the upper end edge of the heating block 4 is chamfered to form a circular arc, which facilitates the insertion of the heating block 4 into the installation frame 2 together with the fixing cover 3 and the separation of the heating block 4 from the lower end surface of the mold 1 when the heating mechanism is installed or disassembled.

[0025] Preferably, the fixing cover 3 is provided with a plurality of fastening bolts 32 that are screwed into the heating block 4, and the heating block 4 is fixed in the fixing cover 3 by the fastening bolts 32, which facilitates the disassembly and assembly of the heating block 4 and the cleaning and maintenance of the heating block 4 after long-term use of the heating mechanism.

[0026] Preferably, the upper end of the support rod 6 is screwed into the heating block 4, and a fastening nut 33 is screwed onto the support rod 6 and abuts against the lower end surface of the fixing cover 3, and the first abutting plate 10 and the second abutting plate 11 are arranged on the support rod 6, the second abutting plate 11 is fixed to the pressure head sleeve 8, and the spring 7 is located between the first abutting plate 10 and the second abutting plate 11, which realizes the fixed connection of the support rod 6 and the heating block 4 by screwing, the fixed connection of the support rod 6 and the fixing cover 3 by the fastening nut 33, and the strengthening of the stability of the heating block 4 in the fixing cover 3, so that the heating block 4 can be in close contact with the lower end surface of the mold 1 to transfer heat, and the support of the spring 7 is strengthened by the first abutting plate 10 and the second abutting plate 11, so that the spring 7 is more stable on the support rod 6 to exert a restoring force on the pressure head sleeve 8 and ensure the stability of the heating mechanism after installation.

[0027] Preferably, the horizontal part of the installation frame 2 is provided with a first guide plate 21 that is downwardly inclined, and the vertical part of the installation frame 2 is provided with a second guide plate 22 that is outwardly inclined, which facilitates the insertion of the pressure head sleeve 8 into the installation frame 2 and the insertion of the fixing cover 3 into the installation frame 2, and further facilitates the disassembly and assembly of the heating mechanism.

[0028] The above description is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mold heating mechanism, comprising a heating tube (5), characterized in that: It also includes a mounting frame (2), a fixing cover (3), a heating block (4), a support rod (6), a spring (7), and a pressure head sleeve (8). The heating tube (5) is inserted into the heating block (4). The heating tube (5) is fixedly installed in the fixing cover (3), and the upper end of the heating block (4) protrudes from the fixing cover (3). The support rod (6) is fixedly connected to the fixing cover (3) and stands vertically below the fixing cover (3). The lower end of the support rod (6) forms a limit block (61). The pressure head sleeve (8) is inserted into the limit block (61). A handle (31) is fixedly connected to the end of the fixing cover (3). The spring (7) is sleeved on the support rod (6) and located between the fixing cover (3) and the pressure head sleeve (8). The mounting frame (2), with an inverted U-shaped cross section, is fixedly installed below the mold (1).

2. The mold heating mechanism according to claim 1, characterized in that: The fixed cover (3) is provided with a protective box (9) located on one side of the heating block (4), and the wires and thermocouples of the heating tube (5) are provided in the protective box (9).

3. The mold heating mechanism according to claim 1, characterized in that: The heating block (4) is made of aluminum.

4. The mold heating mechanism according to claim 3, characterized in that: The upper edge of the heating block (4) is chamfered.

5. The mold heating mechanism according to claim 1, characterized in that: The fixing cover (3) is provided with a number of fastening bolts (32) that are screwed into the heating block (4) inside the fixing cover (3).

6. The mold heating mechanism according to claim 5, characterized in that: The upper end of the support rod (6) is threaded into the fixed cover (3) and screwed into the heating block (4). A fastening nut (33) is threaded onto the support rod (6) and is tightly pressed against the lower end face of the fixed cover (3). A first abutting plate (10) and a second abutting plate (11) distributed vertically are threaded onto the support rod (6). The second abutting plate (11) is fixedly connected to the pressure head sleeve (8). The spring (7) is located between the first abutting plate (10) and the second abutting plate (11).

7. The mold heating mechanism according to claim 1, characterized in that: The horizontal part of the mounting frame (2) has a downwardly inclined first guide plate (21) at the front end, and the vertical part of the mounting frame (2) has an outwardly inclined second guide plate (22) at the front end.

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