An extruder capable of quickly changing molds

Abstract

The utility model relates to the technical field of cable production equipment. In view of the problems of difficult replacement of extrusion head molds and low operating efficiency in existing cable extruders, an extruder that is convenient for quickly replacing molds is provided, comprising an extruder main body and an extrusion head arranged at the discharge end of the extruder main body; the extrusion head comprises a discharge head and a cover detachably connected to the discharge head, a shaping template is sandwiched between the discharge head and the cover, one side of the shaping template is detachably connected to the discharge head, and the other opposite side of the shaping template is detachably connected to the cover. The extruder in the utility model can achieve the effect of conveniently and quickly replacing the shaping template by improving the structure of its extrusion head, so that when different molds need to be used during the production and processing process, equipment parts can be replaced or cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of cable production equipment, in particular to an extruder which is convenient for quickly replacing molds. Background Art

[0002] Cable is a device for transmitting electric energy or signals, usually composed of several or several groups of wires. Each wire and each group of wires are usually covered with a protective layer to protect the wire or achieve insulation. In the production and processing of cables, an extruder is required. The extruder can use polyethylene, polyvinyl chloride, etc. through hot extrusion to make the wire core insulation or cable sheath.

[0003] For example, the patent with publication number CN220113966U provides an extruder that is easy to replace molds, including a machine body, a plurality of uniformly distributed plug rods are fixed at the edge of the outer wall of the output end of the machine body, a mold body adapted to the output end of the machine body is movably arranged between the outer walls of the plurality of plug rods, a fixed block is fixed at the bottom of the mold body, a fixing bolt is rotatably arranged in the machine body, a right-angle plate is threadedly arranged on the outer wall of the fixing bolt, the bottom end of the right-angle plate is movably arranged in the machine body, the top of the right-angle plate is matched with the outer wall of the fixing block, the fixing block is located between the machine body and the top of the right-angle plate, a roller is rotatably arranged at the top of the right-angle plate, and the top of the roller is matched with the bottom of the mold body. By inserting the plug rod into the jack, the machine body and the mold body can be preliminarily connected, and by rotating a single fixing bolt, the right-angle plate can be moved to abut against the fixing block, and the machine body and the mold body can be reconnected and fixed. When disassembling and assembling, only a single fixing bolt needs to be rotated and the mold body needs to be plugged in and out, which is more convenient and quicker than the disassembly and assembly method of rotating multiple bolts back and forth and plugging in and out the mold head.

[0004] However, in the existing extruders for cable production as mentioned above, the extrusion head mold requires multiple steps to be replaced, which has the problems of laborious replacement and low operating efficiency. Utility Model Content

[0005] The purpose of the utility model is to solve the problems of the existing cable extruders that the extrusion head mold is difficult to replace and the operating efficiency is low. The application provides an extruder that is easy to quickly replace the mold. By improving the extrusion head structure of the extruder, the shaping template can be replaced conveniently and quickly, so that when different molds need to be used during the production process, the equipment parts can be replaced or cleaned.

[0006] The utility model is realized by the following technical solutions:

[0007] An extruder that is convenient for quickly replacing molds comprises an extruder body and an extrusion head arranged at the discharge end of the extruder body; the extrusion head comprises a discharge head and a cover detachably connected to the discharge head, a shaping template is sandwiched between the discharge head and the cover, one side of the shaping template is detachably connected to the discharge head, and the other opposite side of the shaping template is detachably connected to the cover.

[0008] Preferably, the discharge head is provided with a discharge channel, one end of the discharge channel is communicated with the feed end of the extruder body, and the other end of the discharge channel abuts against the shaping template.

[0009] Preferably, the plastic template is provided with a plurality of shaping holes, and each of the shaping holes is connected to the discharge channel.

[0010] Preferably, a groove is provided on one side of the discharge head close to the shaping template, the groove can accommodate the shaping template, and the bottom surface of the groove can be detachably connected to the shaping template.

[0011] Preferably, the inner bottom surface of the groove is provided with a plurality of special-shaped grooves, one end of the special-shaped groove is a large head end, and the other end of the special-shaped groove is a small head end; the shaping template is provided with a special-shaped block near the special-shaped groove, the special-shaped block includes a large head block and a small head block, the small head block is connected to the shaping template, and the large head block is arranged at the end of the small head block away from the shaping template; the large head block can be clamped with the large head end, and the small head block can be clamped with the small head end.

[0012] Preferably, the small head end of the special-shaped groove includes a bottom that can accommodate the large head block and a narrow part that can accommodate the small head block, the bottom is arranged close to the groove bottom of the special-shaped groove, and the narrow part is arranged close to the opening end of the special-shaped groove.

[0013] Preferably, the cover is a hollow annular cover body, a plurality of protrusions are arranged on one side of the cover close to the shaping template, a recess is arranged on the surface of the shaping template close to the protrusions, and the protrusions can be snap-fitted with the recesses.

[0014] Preferably, the side wall surface of the shaping template is configured with a plurality of connecting blocks, and the special-shaped blocks and the recessed portions are respectively configured on opposite sides of the connecting blocks.

[0015] The technical solution of the utility model has the following beneficial effects:

[0016] In the extruder of the utility model, by improving the extrusion head structure of the extruder, the mold can be assembled or disassembled by simple and convenient pressing, turning and other operations, and the shaping template can be replaced conveniently and quickly, so that when different molds need to be used during the production process, the equipment parts can be replaced or cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic structural diagram of the extruder in Example 1;

[0019] Figure 2 is a schematic cross-sectional structural diagram of the extrusion head in Example 1;

[0020] Figure 3 is a schematic cross-sectional structural diagram of the cover in Example 1;

[0021] Figure 4 is a schematic structural diagram of the cover in Example 1;

[0022] Figure 5 It is a schematic cross-sectional structure diagram of the shaping template in Example 1;

[0023] Figure 6 for Figure 5 A schematic diagram of the structure of the local enlargement of the A part;

[0024] Figure 7 It is a structural schematic diagram of the shaping template in Example 1;

[0025] Figure 8 This is a schematic diagram of the cross-sectional structure of the discharge head in Example 1 from a first viewing angle;

[0026] Fig. 9 It is a structural schematic diagram of the discharge head in Example 1;

[0027] Fig.10 This is a schematic diagram of the cross-sectional structure of the discharge head in Example 1 from a second viewing angle.

[0028] Icons: 1-extruder body, 11-extrusion head, 2-discharge head, 21-discharge channel, 22-groove, 23-special-shaped groove, 231-big head end, 232-small head end, 233-bottom, 234-narrow part, 3-cover, 31-bump, 4-shaping template, 41-shaping hole, 42-special-shaped block, 421-big head block, 422-small head block, 43-recess, 44-connecting block. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] Example 1

[0033] like Figures 1 to 10 As shown, this embodiment provides an extruder that is convenient for quickly replacing molds, including an extruder body 1 and an extrusion head 11 arranged at the discharge end of the extruder body 1; the extrusion head 11 includes a discharge head 2, and a cover 3 movably connected to the discharge head 2, a shaping template 4 is sandwiched between the discharge head 2 and the cover 3, and one side of the shaping template 4 and the discharge head 2, as well as the other opposite side of the shaping template 4 and the cover 3 can be movably connected.

[0034] In this embodiment, the discharge head 2 is provided with a discharge channel 21 , one end of the discharge channel 21 is communicated with the feed end of the extruder body 1 , and the other end of the discharge channel 21 abuts against the shaping template 4 .

[0035] In this embodiment, the plastic template is provided with a plurality of shaping holes 41 , and each shaping hole 41 is connected to the discharge channel 21 .

[0036] In this embodiment, a groove 22 is provided on one side of the discharge head 2 close to the shaping template 4, and the groove 22 can accommodate the shaping template 4; a plurality of special-shaped grooves 23 are provided on the inner bottom surface of the groove 22, one end of the special-shaped groove 23 is a large head end 231, and the other end of the special-shaped groove 23 is a small head end 232; a special-shaped block 42 is arranged at a position close to the special-shaped groove 23 of the shaping template 4, and the special-shaped block 42 includes a large head block 421 and a small head block 422, and the small head block 422 is connected to the shaping template 4. The plates 4 are connected, and the big head block 421 is arranged at the end of the small head block 422 away from the shaping template 4; the small head end 232 of the special-shaped groove 23 includes a bottom 233 that can accommodate the big head block 421 and a narrow part 234 that can accommodate the small head block 422, the bottom 233 is arranged close to the bottom of the special-shaped groove 23, and the narrow part 234 is arranged close to the opening end of the special-shaped groove 23, the big head block 421 can be clamped with the big head end 231, and the small head block 422 can be clamped with the small head end 232.

[0037] In this embodiment, the cover 3 is a hollow annular cover body. A plurality of protrusions 31 are arranged on one side of the cover 3 close to the shaping template 4 . A recess 43 is arranged on the surface of the shaping template 4 close to the protrusion 31 . The protrusion 31 can be snap-fitted with the recess 43 .

[0038] In this embodiment, the side wall surface of the shaping template 4 is configured with multiple connecting blocks 44, and the special-shaped blocks 42 and the recessed portions 43 are respectively configured on opposite sides of the connecting blocks 44. The shaping template 4 is assembled and disassembled through the activities between the connecting blocks 44 and the discharge head 2 and the sealing cover 3, and the wear and other effects on the shaping contour of the mold during operation are avoided.

[0039] In this embodiment, the assembly or disassembly of the mold can be completed by simple and convenient pressing, turning and other operations, and the shaping template 4 can be replaced conveniently and quickly, so that when different molds need to be used during the production process, the equipment parts can be replaced or cleaned.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An extruder that facilitates quick mold replacement, characterized in that: It comprises an extruder body (1) and an extrusion head (11) arranged at the discharge end of the extruder body (1); The extrusion head (11) comprises a discharge head (2) and a cover (3) detachably connected to the discharge head (2); a shaping template (4) is sandwiched between the discharge head (2) and the cover (3); one side of the shaping template (4) is detachably connected to the discharge head (2), and the other opposite side of the shaping template (4) is detachably connected to the cover (3).

2. The extruder for facilitating quick mold replacement according to claim 1, characterized in that: The discharge head (2) is provided with a discharge channel (21), one end of the discharge channel (21) is connected to the feed end of the extruder body (1), and the other end of the discharge channel (21) is in contact with the shaping template (4).

3. The extruder for facilitating quick mold replacement according to claim 2, characterized in that: The shaping template (4) is provided with a plurality of shaping holes (41), and each of the shaping holes (41) is in communication with the discharge channel (21).

4. The extruder for facilitating quick mold replacement according to any one of claims 1 to 3, characterized in that: A groove (22) is provided on one side of the discharge head (2) close to the shaping template (4); the groove (22) can accommodate the shaping template (4), and the bottom surface of the groove (22) can be detachably connected to the shaping template (4).

5. The extruder for facilitating quick mold replacement according to claim 4, characterized in that: The inner bottom surface of the groove (22) is provided with a plurality of special-shaped grooves (23), one end of the special-shaped groove (23) is a large head end (231), and the other end of the special-shaped groove (23) is a small head end (232); The shaping template (4) is provided with a special-shaped block (42) at a position close to the special-shaped groove (23), the special-shaped block (42) comprising a large head block (421) and a small head block (422), the small head block (422) being connected to the shaping template (4), and the large head block (421) being arranged at an end of the small head block (422) away from the shaping template (4); The large head block (421) can be snap-fitted with the large head end (231), and the small head block (422) can be snap-fitted with the small head end (232).

6. The extruder for facilitating quick mold replacement according to claim 5, characterized in that: The small head end (232) of the special-shaped groove (23) comprises a bottom (233) capable of accommodating the large head block (421) and a narrow portion (234) capable of accommodating the small head block (422); the bottom (233) is arranged close to the groove bottom of the special-shaped groove (23), and the narrow portion (234) is arranged close to the open end of the special-shaped groove (23).

7. The extruder for facilitating quick mold replacement according to claim 5 or 6, characterized in that: The sealing cover (3) is a hollow annular cover body. A plurality of protrusions (31) are arranged on one side of the sealing cover (3) close to the shaping template (4). A recess (43) is arranged on the surface of the shaping template (4) close to the protrusions (31). The protrusions (31) can be engaged with the recesses (43).

8. The extruder for facilitating quick mold replacement according to claim 7, characterized in that: The side wall surface of the shaping template (4) is provided with a plurality of connecting blocks (44), and the special-shaped blocks (42) and the recessed portions (43) are respectively arranged on opposite sides of the connecting blocks (44).

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