Extrusion mold for CVD (Chemical Vapor Deposition) surface coating

Abstract

The utility model discloses an extrusion mold for a CVD (chemical vapor deposition) surface coating, which belongs to the technical field of extrusion molds and comprises a forming template I, a forming template II and a shape adjusting device arranged on the forming template I. The forming template I is positioned on the front side of the forming template II, and forming through grooves are formed in the rear side wall surfaces of the forming template I and the forming template II. The shape adjusting device comprises two sets of first forming baffles, two sets of second forming baffles, a position adjusting mechanism and an auxiliary mechanism, and the two sets of first forming baffles are located between the wall faces, close to each other, of the two sets of second forming baffles. Mounting grooves are formed in the positions, corresponding to the two sets of first forming baffles and the two sets of second forming baffles, of the inner wall of the front side forming through groove, and the two sets of first forming baffles and the two sets of second forming baffles are slidably connected with the corresponding mounting grooves correspondingly. And by arranging the first forming baffle and the second forming baffle, products of various shapes and thicknesses can be machined, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic extrusion mould, specifically relates to CVD surface coating's plastic extrusion mould. BACKGROUND

[0002] Ultra high molecular polyethylene is thermoplastic engineering plastics with molecular weight higher than 1.5 million, and the molecular chain length is 10-20 times of high density polyethylene, and the main advantage of the longer molecular chain of ultra high molecular polyethylene is toughness, wear resistance and stress cracking resistance, and because it is a kind of polyethylene, ultra high molecular polyethylene also has lubricity, chemical resistance and excellent electrical properties, and its successful development is generally considered as one of the top ten scientific and technological achievements in the 20th century, and ultra high molecular polyethylene can replace carbon steel, stainless steel, bronze and other materials and be used in textile, papermaking, food machinery, transportation, medical treatment, coal mine, chemical industry and other fields.

[0003] Through the retrieval disclosure no. CN217098832U discloses a kind of plastic extrusion mould, be equipped with mutually orthogonal X direction, Y direction and Z direction;The plastic extrusion mould includes: mould main body, the mould main body is equipped with mould core in the both ends of X direction respectively as extruder connection end and product end, the mould main body is equipped with heating structure, the heating structure is fixedly connected with the mould main body, the quantity of the heating structure is equipped with multiple, multiple heating structure is arranged along X direction, and the heating temperature of multiple heating structure is decreasing.

[0004] In actual production process, need to extrude a variety of shapes of products, as described above, the known art, the existing product has and only to one shape of product is extruded and formed, and when the extrusion of other shape products needs to be carried out, multiple forming moulds need to be used, which will increase the production cost, in addition, the replacement of mould will also increase the production time, which is not conducive to the production efficiency.

[0005] Based on this, the utility model discloses CVD surface coating's plastic extrusion mould to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides CVD surface coating's plastic extrusion mould.

[0007] To achieve the above object, the utility model is realized by the following technical scheme:

[0008] CVD surface coating's plastic extrusion mould, including forming template one and forming template two and shape adjusting device set on forming template one, forming template one is located at the front side position of forming template two, the rear side wall surface of forming template one and forming template two is all set with forming through slot, shape adjusting device includes forming baffle one, forming baffle two, position adjusting mechanism and auxiliary mechanism.

[0009] The first and second forming baffles are provided with two groups, the two groups of first forming baffles are located between the two groups of second forming baffles, the inner wall of the front forming through slot is provided with mounting slots corresponding to the positions of the two groups of first forming baffles and the two groups of second forming baffles, the two groups of first forming baffles and the two groups of second forming baffles are respectively and slidably connected with the corresponding mounting slots, and a rectangular space is formed between the two groups of first forming baffles and the two groups of second forming baffles.

[0010] Further, the position adjusting mechanism comprises four groups of mounting racks fixedly installed on the outer wall of the first forming template, the four groups of mounting racks are distributed in equal circular arcs at an angle of 90 degrees, and the four groups of mounting racks are concave; threaded rods rotatably installed on the mutually distant wall surfaces of the two groups of first forming baffles and the two groups of second forming baffles, the four groups of threaded rods are movably arranged through the interiors of the corresponding mounting slots, and the four groups of threaded rods are threadedly connected with the corresponding mounting racks; and knob assemblies arranged on the four groups of threaded rods.

[0011] Further, the auxiliary mechanism comprises a threaded column arranged on the front side wall surface of the first forming template, the front side wall surface of the first forming template is provided with threaded through slots corresponding to the positions of the threaded column, the threaded column is threadedly connected with the corresponding threaded through slots, the front side wall surface of the second forming template is provided with positioning holes corresponding to the positions of the threaded through slots, the interior of the positioning hole is matched with the outer wall of the threaded column, the front side wall surface of the threaded column is provided with an auxiliary slot, and the auxiliary slot is a regular hexagon.

[0012] Further, the threaded through slots, the threaded column, the positioning holes and the auxiliary slot are provided with four groups, and the four groups of threaded through slots, the threaded column, the positioning holes and the auxiliary slot are one-to-one corresponding, and the four groups of threaded through slots, the threaded column, the positioning holes and the auxiliary slot are distributed in a rectangular shape.

[0013] Further, the knob assembly comprises a fixed rod fixedly installed on the threaded rod away from the wall surface of the first forming template; an auxiliary knob movably sleeved on the outer wall of the fixed rod and slidably connected with the fixed rod; and a connecting sliding block fixedly installed on the inner wall of the auxiliary knob.

[0014] Further, the outer wall of the fixed rod is provided with a transmission slot and a connecting sliding groove, the interiors of the transmission slot and the connecting sliding groove are mutually penetrated, the connecting sliding groove is an annular groove connected at the head and tail, and the outer wall of the connecting sliding block is slidably connected with the interior of the connecting sliding groove.

[0015] Further, the transmission slot is provided with a plurality of transmission slots, and the plurality of transmission slots are distributed in an equal circular arc state, and the plurality of transmission slots are mutually penetrated with the connecting sliding groove.

[0016] Further, the front side wall surface of the first forming template is rotatably provided with a positioning bolt, the front side wall surface of the second forming template is provided with a positioning threaded slot corresponding to the position of the positioning bolt, and the positioning bolt is threadedly connected with the positioning threaded slot.

[0017] The utility model discloses comparatively prior art, its beneficial effect is: 1, through setting up the forming baffle no. 1 and the forming baffle no. 2, can carry out the product of various shapes and thickness, improved efficiency, saved the cost.

[0018] 2, through setting up knob assembly can avoid the misoperation of device, through setting up auxiliary mechanism, the installation and dismounting of forming template no. 1 and forming template no. 2 are convenient, and the device is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description. Obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

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

[0021] Figure 2 It is the front view of the whole utility model;

[0022] Figure 3 It is the right side view of the whole utility model;

[0023] Figure 4 It is the perspective view of forming template no. 1 of the utility model;

[0024] Figure 5 It is the sectional perspective view of auxiliary knob of the utility model.

[0025] The reference numerals in the drawing represent respectively:

[0026] 1, forming template no. 1;2, forming template no. 2;3, forming through slot;4, shape adjusting device;41, forming baffle no. 1;42, forming baffle no. 2;43, position adjusting mechanism;431, mounting bracket;432, installation slot;433, knob assembly;4331, auxiliary knob;4332, fixed rod;4333, transmission slot;4334, connecting sliding block;4335, connecting sliding slot;434, threaded rod;44, auxiliary mechanism;441, threaded through slot;442, threaded column;443, positioning hole;444, auxiliary slot;5, positioning bolt;6, positioning threaded slot. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are 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 the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the following description, "left", "right", "front", "rear", "upper", and "lower" are oriented in the perspective of the front view.

[0029] The present application will be further described below in conjunction with the embodiments.

[0030] Embodiment one: please refer to the drawings of the specification Figure 1 Figure 3 The extrusion die of the CVD surface coating layer comprises a first forming template 1, a second forming template 2, and a shape adjusting device 4 arranged on the first forming template 1. The first forming template 1 is located at the front side of the second forming template 2. The rear side wall surfaces of the first forming template 1 and the second forming template 2 are both provided with forming through grooves 3. The shape adjusting device 4 comprises a first forming baffle 41, a second forming baffle 42, a position adjusting mechanism 43, and an auxiliary mechanism 44.

[0031] The first forming baffle 41 and the second forming baffle 42 are both provided with two groups. The two groups of the first forming baffles 41 are located between the two groups of the second forming baffles 42 that are close to the wall surfaces. The inner walls of the front side forming through grooves 3 are both provided with mounting grooves 432 corresponding to the positions of the two groups of the first forming baffles 41 and the two groups of the second forming baffles 42. The two groups of the first forming baffles 41 and the two groups of the second forming baffles 42 are respectively and slidably connected with the corresponding mounting grooves 432. The two groups of the first forming baffles 41 and the two groups of the second forming baffles 42 form a rectangular space.

[0032] ​In specific use, the first forming template 1 and the second forming template 2 are fixedly connected together, and the two groups of forming through grooves 3 correspond to each other, then the combined first forming template 1 and the second forming template 2 are installed on the extrusion device, the molten plastic passes through the inside of the rear forming through groove 3, enters the inside of the front forming through groove 3, and finally passes through the position between the two groups of first forming baffles 41 and the two groups of second forming baffles 42 to extrude a rectangular product. By adjusting the position between the two groups of first forming baffles 41 and the second forming baffles 42, other shaped products can be extruded. For example, by moving the two groups of second forming baffles 42 away from each other, gaps are formed between the two groups of second forming baffles 42 and the first forming baffles 41, so that a "H-shaped" product is extruded. After the two groups of second forming baffles 42 move away, the lower first forming baffle 41 is moved downward until the bottom wall of the front forming through groove 3 on the upper side wall of the first forming baffle 41 is flush, at which time a "concave" product can be extruded. By moving the upper first forming baffle 41 downward, the thickness of the horizontal end of the concave product can be changed. According to specific needs, a variety of products can be produced, the functionality is increased, the first forming template 1 and the second forming template 2 do not need to be replaced, a variety of products can be produced, the efficiency is improved, and the cost is saved.

[0033] Example two: on the basis of example one, please refer to the description Figure 2 Figure 5 The position adjusting mechanism 43 comprises four groups of mounting frames 431 fixedly installed on the outer wall of the first forming template 1, the four groups of mounting frames 431 are distributed in an equal circular arc ninety-degree state, and the four groups of mounting frames 431 are concave. Threaded rods 434 are rotatably installed on the mutually away walls of the two groups of first forming baffles 41 and the two groups of second forming baffles 42, the four groups of threaded rods 434 movably pass through the inside of the corresponding mounting grooves 432, the four groups of threaded rods 434 are in threaded connection with the corresponding mounting frames 431, and knob assemblies 433 are arranged on the four groups of threaded rods 434.

[0034] The auxiliary mechanism 44 comprises a threaded column 442 arranged on the front side wall of the first forming template 1, threaded through grooves 441 are formed in positions of the front side wall of the first forming template 1 corresponding to the threaded column 442, the threaded column 442 is in threaded connection with the corresponding threaded through groove 441, positioning holes 443 are formed in positions of the front side wall of the second forming template 2 corresponding to the threaded through grooves 441, the inside of the positioning hole 443 is matched with the outer wall of the threaded column 442, an auxiliary groove 444 is formed in the front side wall of the threaded column 442, and the auxiliary groove 444 is a regular hexagon.

[0035] ​The threaded through slots 441, threaded columns 442, positioning holes 443 and auxiliary slots 444 are provided with four groups, and the four groups of threaded through slots 441, threaded columns 442, positioning holes 443 and auxiliary slots 444 are one-to-one corresponding, and the four groups of threaded through slots 441, threaded columns 442, positioning holes 443 and auxiliary slots 444 are distributed in a rectangular state.

[0036] The knob assembly 433 comprises a fixed rod 4332 fixedly installed on the outer wall of the threaded rod 434 away from the first wall of the forming template; an auxiliary knob 4331 movably sleeved on the outer wall of the fixed rod 4332, the auxiliary knob 4331 and the fixed rod 4332 being in sliding connection; and a connecting sliding block 4334 fixedly installed on the inner wall of the auxiliary knob 4331.

[0037] The outer wall of the fixed rod 4332 is provided with a transmission groove 4333 and a connecting sliding groove 4335, the transmission groove 4333 and the connecting sliding groove 4335 being mutually penetrated, the connecting sliding groove 4335 being a ring-shaped groove with the head connected to the tail, and the outer wall of the connecting sliding block 4334 and the inner part of the connecting sliding groove 4335 being in sliding connection.

[0038] The transmission groove 4333 is provided with a plurality of transmission grooves 4333, the plurality of transmission grooves 4333 being distributed in an equal circular arc state, and the plurality of transmission grooves 4333 being mutually penetrated with the connecting sliding groove 4335.

[0039] The front side wall of the first forming template 1 is rotationally installed with a positioning bolt 5, the front side wall of the second forming template 2 is provided with a positioning threaded groove 6 at a position corresponding to the positioning bolt 5, and the positioning bolt 5 and the positioning threaded groove 6 are in threaded connection.

[0040] In specific use, by rotating the four sets of threaded rods 434 in different positions, the two sets of forming baffle plates one 41 or the two sets of forming baffle plates two 42 can be adjusted in position under the limiting of the mounting groove 432. In addition, before rotating the threaded rod 434, the auxiliary knob 4331 is rotated, the connecting slider 4334 will move along the inside of the connecting sliding groove 4335 until the connecting slider 4334 moves to the position of the transmission groove 4333, the auxiliary knob 4331 is pulled away from the threaded rod 434, the connecting slider 4334 will be clamped into the inside of the transmission groove 4333 away from the threaded rod 434, at this time, due to the limiting of the transmission groove 4333 to the connecting slider 4334, rotating the auxiliary knob 4331 can make the threaded rod 434 rotate, which can prevent misoperation. When connecting the forming mold plate one 1 and the forming mold plate two 2, the threaded column 442 can be clamped into the inside of the positioning hole 443, then the positioning bolt 5 is screwed into the inside of the positioning threaded groove 6, under the limiting of the threaded column 442 and the knob assembly 433, the threaded connection between the positioning bolt 5 and the positioning threaded groove 6 is facilitated, and the fixed connection of the forming mold plate one 1 and the forming mold plate two 2 is facilitated. When disassembling the forming mold plate one 1 and the forming mold plate two 2, the hexagonal wrench can be clamped into the inside of the auxiliary groove 444, the threaded column 442 is rotated to move towards the inside of the positioning hole 443, the rear side wall surface of the threaded column 442 and the rear side wall surface of the knob assembly 433 are in contact and are extruded with each other, so that the forming mold plate one 1 and the forming mold plate two 2 are separated, and the disassembly of the forming mold plate one 1 and the forming mold plate two 2 is facilitated.

[0041] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. These modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. Extrusion die for CVD surface coating, comprising a forming die plate (1), characterized in that: The application also comprises a shape adjusting device (4) arranged on the first forming template (1), the first forming template (1) is located at the front side of the second forming template (2), the rear side wall surface of the first forming template (1) and the second forming template (2) is provided with a forming through groove (3), the shape adjusting device (4) comprises a first forming baffle (41), a second forming baffle (42), a position adjusting mechanism (43) and an auxiliary mechanism (44). The first forming baffle (41) and the second forming baffle (42) are both provided with two groups, the two groups of the first forming baffles (41) are located between the two groups of the second forming baffles (42) which are close to the wall surface, the inner wall of the front side forming through groove (3) is provided with an installation groove (432) corresponding to the position of the two groups of the first forming baffles (41) and the two groups of the second forming baffles (42), the two groups of the first forming baffles (41) and the two groups of the second forming baffles (42) are respectively and slidably connected with the corresponding installation groove (432), and the two groups of the first forming baffles (41) and the two groups of the second forming baffles (42) form a rectangular space.

2. The CVD surface-coated extrusion die of claim 1 wherein, The position adjusting mechanism (43) comprises four groups of installation racks (431) which are respectively and fixedly installed on the outer wall of the first forming template (1), the four groups of installation racks (431) are distributed in an equal circular arc ninety-degree state, and the four groups of installation racks (431) are all concave; screw rods (434) which are respectively and rotatably installed on the mutually far wall surfaces of the two groups of the first forming baffles (41) and the two groups of the second forming baffles (42), the four groups of screw rods (434) all movably pass through the inside of the corresponding installation groove (432), the four groups of screw rods (434) are all threadedly connected with the corresponding installation rack (431); and knob assemblies (433) which are respectively arranged on the four groups of screw rods (434).

3. The CVD surface-coated extrusion die of claim 1 wherein, The auxiliary mechanism (44) comprises a threaded column (442) arranged on the front side wall surface of the first forming template (1), the front side wall surface of the first forming template (1) is provided with a threaded through groove (441) corresponding to the position of the threaded column (442), the threaded column (442) is threadedly connected with the corresponding threaded through groove (441), the front side wall surface of the second forming template (2) is provided with a positioning hole (443) corresponding to the position of the threaded through groove (441), the inside of the positioning hole (443) is matched with the outer wall of the threaded column (442), and the front side wall surface of the threaded column (442) is provided with an auxiliary groove (444).

4. The CVD surface-coated extrusion die of claim 3 wherein, The threaded through groove (441), the threaded column (442), the positioning hole (443) and the auxiliary groove (444) are all provided with four groups, the four groups of the threaded through groove (441), the threaded column (442), the positioning hole (443) and the auxiliary groove (444) are one-to-one corresponding, and the four groups of the threaded through groove (441), the threaded column (442), the positioning hole (443) and the auxiliary groove (444) are distributed in a rectangular state.

5. The CVD surface-coated extrusion die of claim 2 wherein, The knob assembly (433) comprises a fixed rod (4332) fixedly installed on the wall surface of the forming template one (1) away from the threaded rod (434); an auxiliary knob (4331) movably sleeved on the outer wall of the fixed rod (4332), the auxiliary knob (4331) and the fixed rod (4332) are in sliding connection; and a connecting sliding block (4334) fixedly installed on the inner wall of the auxiliary knob (4331).

6. The CVD surface-coated extrusion die of claim 5 wherein, The outer wall of the fixed rod (4332) is provided with a transmission groove (4333) and a connecting sliding groove (4335), the transmission groove (4333) and the connecting sliding groove (4335) are mutually penetrated, the connecting sliding groove (4335) is a ring groove connected head to tail, and the outer wall of the connecting sliding block (4334) and the inner part of the connecting sliding groove (4335) are in sliding connection.

7. The CVD surface-coated extrusion die of claim 6 wherein, The transmission groove (4333) is provided with a plurality of transmission grooves (4333), the plurality of transmission grooves (4333) are distributed in equal circular arc state, and the plurality of transmission grooves (4333) are mutually penetrated with the connecting sliding groove (4335).

8. The CVD surface-coated extrusion die of claim 1 wherein, The front side wall surface of the forming template one (1) is rotationally installed with a positioning bolt (5), the front side wall surface of the forming template two (2) is provided with a positioning threaded groove (6) corresponding to the position of the positioning bolt (5), and the positioning bolt (5) and the positioning threaded groove (6) are in threaded connection.

Images