CN219685929U - Microchannel reaction plate processingequipment - Google Patents

Abstract

The utility model discloses a micro-channel reaction plate processing device which comprises a mounting seat used for being connected with a stamping machine tool, wherein a forming assembly is connected to the mounting seat, the forming assembly comprises a forming tool bit matched with the shape of a micro-channel groove and a heating piece for heating the forming tool bit, so that the micro-channel groove is pressed out through the heated forming tool bit, and the micro-channel reaction plate processing device further comprises a tool bit support used for fixing the forming tool bit, the tool bit support is connected to the mounting seat, the forming tool bit protrudes out of the tool bit support, and the outer surface of the forming tool bit is coated with a ceramic coating. According to the utility model, the micro-channel reaction plate can be rapidly manufactured by using the mode of forming the cutter head by heating and forming the micro-channel groove by hot pressing under the cooperation of the cutter head and the stamping machine tool, so that the manufacturing time of the micro-channel reaction plate is saved, and the requirement of experimental use is met.

Description

Microchannel reaction plate processingequipment

Technical Field

The utility model belongs to the technical field of micro-channel heat exchangers, and particularly relates to a micro-channel reaction plate processing device.

Background

The micro-channel, also called micro-channel heat exchanger, is a heat exchanger with equivalent diameter of 10-1000 μm, and the micro-channel heat exchanger can be divided into a micro-channel heat exchanger and a large-scale micro-channel heat exchanger according to the external dimension, and the micro-channel heat exchanger is a compact, light and efficient heat exchanger designed for meeting the development requirement of the electronic industry, and has the structural form of a flat-plate cross-flow micro-heat exchanger and a sintering net type porous micro-heat exchanger.

Before the production of the existing micro-channel, in order to verify the mixing effect and the liquid flow state of the micro-channel structure developed by the existing micro-channel, experiments are usually required to be carried out after corresponding structures are carved out by using transparent acrylic glass plates, and the mass production of the micro-channel with the related metal structure is carried out after the experiments are successful. The acrylic glass plate micro-channel for the laboratory has complex structure and irregular shape, and when a laser engraving or machine tool is adopted for processing, a panel is processed for a plurality of hours, so that great time and cost waste is caused. Therefore, a micro-channel reaction plate processing device for an acrylic glass plate is needed to meet the requirements of experimental use.

Disclosure of Invention

The utility model provides a micro-channel reaction plate processing device which aims to solve at least one of the technical problems.

The technical scheme adopted by the utility model is as follows: the micro-channel reaction plate processing device comprises a mounting seat used for being connected with a stamping machine tool, wherein a forming assembly is connected to the mounting seat, and comprises a forming tool bit matched with a micro-channel groove in shape and a heating piece for heating the forming tool bit, so that the micro-channel groove is thermally extruded through the heated forming tool bit; the outer surface of the formed cutter head is coated with a ceramic coating.

As a preferred embodiment of the present utility model, the molding assembly further includes a cutter head holder for fixing the molded cutter head, the cutter head holder being connected to the mounting base, the molded cutter head protruding from the cutter head holder.

As a preferred embodiment of the utility model, the molding assembly further comprises a fixing seat, the fixing seat is connected to the mounting seat, a fixing groove is formed at one end of the fixing seat, which is opposite to the mounting seat, and the cutter head support is connected in the fixing groove.

As a preferable implementation mode of the utility model, the tool bit support is provided with a plurality of buckles, the fixing seat is provided with buckle grooves corresponding to the buckle positions, and the tool bit support is detachably connected with the fixing seat through the buckles and the buckle grooves.

As a preferable implementation mode of the utility model, bolt holes are correspondingly arranged on the tool bit support and the fixing seat, and the tool bit support is detachably connected with the fixing seat through bolts.

In a preferred embodiment of the present utility model, the heating elements are heating wires, and the forming cutter head is formed with heating holes along its axis, and the heating elements pass through and are uniformly distributed in the heating holes to heat the forming cutter head.

As a preferred embodiment of the present utility model, the heating member is a heating plate, and the molded cutter head is connected to the heating member to heat the molded cutter head.

As a preferred embodiment of the present utility model, a heat insulating layer is provided between the molded bit and the molded component.

As a preferred embodiment of the present utility model, the outer surface of the shaped cutter head is coated with a thermochromic material.

As a preferred embodiment of the present utility model, the molding assembly further includes a temperature sensor for detecting a temperature of the molded bit.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. when the experimental acrylic glass microchannel reaction plate is manufactured, a mode of heating and forming a cutter head to the thermal deformation temperature of acrylic glass and then hot-pressing a microchannel groove of the microchannel reaction plate under the cooperation of a stamping machine tool is adopted. Because the micro-channel grooves are small in width and compact and complex in arrangement, and the mode of laser engraving or machine tool cutters is adopted in the prior art, aiming at the complex structure, the micro-channel grooves need to be molded one by one. Meanwhile, as the surface of the acrylic glass plate is cracked during processing, the experimental requirement cannot be met, and the novel acrylic plate can be used for remanufacturing, so that the waste of raw materials is caused, and the microchannel groove is molded in a hot-pressing deformation mode, so that the waste of raw materials caused by surface damage is prevented, and the processing cost is saved.

2. In this case, the heating wire can form a loop only by ensuring the continuity of the heating wire, so that the whole heating wire can heat the molded cutter head, that is, when the heating wire is broken, damaged or the like, the heating wire cannot form a loop, and the whole heating wire cannot normally finish heating, so that the molded cutter head can be uniformly heated in a normal working state of the heating wire.

3. As a preferable implementation mode of the utility model, the outer surface of the formed cutter head is coated with the thermochromic material, the color of the formed cutter head is changed along with the temperature change of the formed cutter head, when the color of the whole formed cutter head is consistent, the formed cutter head can be judged to be heated uniformly, otherwise, the formed cutter head is indicated to have a region with inconsistent temperature.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram showing a three-dimensional structure of a micro-channel reaction plate processing device according to the present utility model;

FIG. 2 is a front view of a microchannel reaction plate processing device of the present utility model;

FIG. 3 is a cross-sectional view of the fixing base and the tool bit holder of the micro-channel reaction plate processing device of the utility model;

FIG. 4 is a front view of the fixing base and the tool bit holder of the micro-channel reaction plate processing device of the present utility model;

FIG. 5 is a cross-sectional view of the micro-channel reaction plate processing device of the present utility model with the heater wire and the molded tool bit;

FIG. 6 is a front view of the device for processing a micro-channel reaction plate according to the present utility model, showing the cooperation of a heating plate and a molded cutter head.

Reference numerals:

1. a mounting base;

2. a molding assembly; 21. forming a cutter head; 22. a heating member; 23. a tool bit support; 24. a fixing seat; 25. a fixing groove; 26. a buckle; 27. heating the hole; 28. a heating wire; 29. a heating sheet;

3. a temperature sensor.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the descriptions of the terms "implementation," "embodiment," "one embodiment," "example," or "particular example" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It should be noted that, according to different usage requirements of the micro-channel reaction plate and requirements for further improving heat exchange efficiency of the reaction plate and performance of the micro-channel reaction plate, technicians of the micro-channel reaction plate are dedicated to develop micro-channel reaction plates with novel channel structures, and meanwhile, in order to test performance of the reaction plate with novel channel structures, reaction plate sample plates with novel channel structures need to be manufactured for experiments. When the reaction plate sample wafer is manufactured, transparent acrylic glass is usually selected as the material of the reaction plate sample wafer, on one hand, the flow condition, the mixing condition and the like of the medium in the reaction plate micro-channel can be observed through the flow medium with color, and on the other hand, the acrylic glass has the characteristics of easy processing, weather resistance and the like, and in addition, the experimental cost can be reduced. The micro-channel reaction plate processing device is mainly aimed at an acrylic glass reaction plate sample used for experiments.

As a preferred embodiment of the present utility model, as shown in fig. 1 and 2, a microchannel reaction plate processing apparatus includes a mounting base 1 for connection with a press machine tool, a molding assembly 2 is connected to the mounting base 1, the molding assembly 2 includes a molding cutter 21 fitted with a shape of a microchannel groove and a heating member 22 for heating the molding cutter 21 to heat the molding cutter 21 to press the microchannel groove, and a cutter holder 23 for fixing the molding cutter 21, the cutter holder 23 is connected to the mounting base 1, the molding cutter 21 protrudes from the cutter holder 23, and an outer surface of the molding cutter 21 is coated with a ceramic coating. Specifically, when the reaction plate processing device is used, the reaction plate processing device is firstly required to be connected to a punching machine, an acrylic glass plate to be processed is placed below the forming assembly 2, then the forming cutter head 21 is heated by the heating piece 22, after the heating piece is heated to a certain specific temperature, the forming assembly 2 is driven to move downwards by the punching machine, and a corresponding micro-channel groove is formed in the acrylic glass plate in a hot pressing mode by the forming cutter head 21. Optionally, in order to facilitate controlling the hot pressing temperature of the forming tool bit 21, the forming assembly 2 further comprises a temperature sensor 3 for detecting the temperature of the forming tool bit 21, wherein the temperature sensor 3 is connected to a controller of the punching machine by means of an electrical connection or a signal connection. At this time, the hot-pressing temperatures T1 and T2 of the shaping cutter head 21 and the downward moving speeds V1 and V2 of the shaping cutter head 21 may be set, wherein T1 and T2 are the heat deformation temperatures of the acrylic glass plate, 70 ℃ < T2 < 105 ℃, D1 is the distance between the shaping cutter head 21 and the acrylic glass plate surface, D2 is the depth of the microchannel groove, V1 is the downward moving speed of the shaping cutter head 21 in the D1 section, and V2 is the downward moving speed of the shaping cutter head 21 in the D2 section. When the forming cutter head 21 is heated, when the temperature T of the forming cutter head 21 detected by the temperature sensor 3 is more than or equal to T1, the punching machine is started to drive the forming cutter head 21 to move downwards by D1 at a constant speed and then move downwards by V2 slowly, in the downward moving process, the forming cutter head 21 starts to be in contact with the surface of the acrylic glass plate, the acrylic glass plate starts to deform at the temperature of the forming cutter head 21 to press the shape of a micro-channel groove, the micro-channel groove gradually deepens along with the continuous downward movement of the forming cutter head 21, and the ceramic coating on the surface of the forming cutter head 21 enables the surface of the forming cutter head 21 to be smoother and not easy to adhere in the hot pressing process. Stopping moving downwards when the distance of the moving downwards reaches 90% -95% of D2, and reserving the allowance of D25% -10%. At this time, the heating of the molding head 21 may be stopped to mold the microchannel grooves. When the temperature of the forming cutter head 21 reaches T2, the forming cutter head continues to move downwards to D2, and then the stamping machine drives the forming cutter head 21 to move upwards, so that the hot press forming of the microchannel groove is completed.

As a preferred embodiment of the present utility model, as shown in fig. 3 and 4, since the shapes of the micro-channel grooves of the reaction plate sample are different, different shaped molded bits 21 are needed to be used in manufacturing the reaction plate sample with different shapes of the micro-channel grooves, the micro-channel reaction plate processing device in the present utility model manufactures molded bits 21 with corresponding shapes according to the micro-channel grooves with different shapes, when in use, the molded bits 21 are replaced according to the different shapes of the micro-channel grooves, further, the molding assembly 2 further comprises a fixing seat 24, the fixing seat 24 is connected to the mounting seat 1, a fixing groove 25 is formed at one end of the fixing seat 24 facing away from the mounting seat 1, and the bit support 23 is connected in the fixing groove 25.

Specifically, the connection manner between the molded cutter head 21 and the fixing seat 24 may be various; one of them is to be provided with a plurality of buckles 26 on the tool bit support 23, be provided with the buckle 26 groove that corresponds with buckle 26 position on the fixing base 24, the tool bit support 23 passes through buckle 26 and buckle 26 groove and fixing base 24 detachable connection. The tool bit support 23 and the fixing seat 24 can be correspondingly provided with bolt holes, and the tool bit support 23 is detachably connected with the fixing seat 24 through bolts. In addition, other connection modes can be provided to realize the replacement of the tool bit support 23.

As a preferred embodiment of the present utility model, as shown in fig. 5 and 6, it is understood that, due to the small width, tight arrangement and complex shape of the micro-channel grooves, when the forming cutter 21 is heated, in order to ensure the hot press forming effect of the forming cutter 21, it is necessary to ensure that the entire forming cutter 21 can be heated to a specified temperature, so that the heating member 22 plays a critical role in the heating process of the forming cutter 21. Specifically, the heating elements 22 may be heating wires 28, and the shaped cutter head 21 is formed with heating holes 27 along its axis, and the heating elements 22 penetrate through and are uniformly distributed in the heating holes 27 to heat the shaped cutter head 21. The heating wire 28 is adopted to heat the forming cutter head 21, the heating wire 28 can penetrate through the forming cutter head 21 along the axis of the forming cutter head 21 according to the shape of the forming cutter head 21, in this case, the heating wire 28 can form a loop only by ensuring the continuity of the heating wire 28, so that the whole heating wire 28 can heat the forming cutter head 21, that is, when the heating wire 28 is broken, damaged and the like, the heating wire 28 cannot form a loop, and the whole heating wire 28 cannot normally finish heating, at this time, even heating of the forming cutter head 21 can be realized under the normal working state of the heating wire 28. In addition, the heating member 22 may employ the heating plate 29, and the entire molding cutter head 21 may be connected to the heating plate 29, so that the molding cutter head 21 may be heated uniformly by the heating plate 29. Still further, in the process of processing the molded tool bit 21 by using the heating element 22, in order to avoid the influence of the heated molded tool bit 21 on the molded component 2, a heat insulating layer is disposed between the molded tool bit 21 and the molded component 2, and the heat insulating layer is made of a heat insulating material resistant to high temperature. Furthermore, in order to accurately observe whether the entire molded cutter head 21 is uniformly heated, the outer surface of the molded cutter head 21 is coated with a thermochromic material, the color of the molded cutter head 21 is changed along with the temperature change of the molded cutter head 21, and when the color of the entire molded cutter head 21 is consistent, the molded cutter head 21 can be judged to be uniformly heated, otherwise, the molded cutter head 21 is indicated to have a region with inconsistent temperature.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. The microchannel reaction plate processing device is characterized by comprising a mounting seat used for being connected with a stamping machine tool, wherein a forming assembly is connected to the mounting seat, and comprises a forming tool bit matched with the shape of a microchannel groove and a heating piece for heating the forming tool bit, so that the microchannel groove is thermally extruded through the heated forming tool bit; the outer surface of the formed cutter head is coated with a ceramic coating.

2. The microchannel reaction plate processing device of claim 1, wherein the forming assembly further comprises a tool bit holder for securing the formed tool bit, the tool bit holder being coupled to the mounting base, the formed tool bit protruding from the tool bit holder.

3. The microchannel reaction plate processing device of claim 2, wherein the forming assembly further comprises a fixing base, the fixing base is connected to the mounting base, a fixing groove is formed at one end of the fixing base facing away from the mounting base, and the tool bit support is connected in the fixing groove.

4. The microchannel reaction plate processing device according to claim 3, wherein a plurality of buckles are arranged on the cutter head support, buckle grooves corresponding to the buckle positions are arranged on the fixing base, and the cutter head support is detachably connected with the fixing base through the buckles and the buckle grooves.

5. The micro-channel reaction plate processing device according to claim 3, wherein bolt holes are correspondingly formed in the tool bit support and the fixing base, and the tool bit support is detachably connected with the fixing base through bolts.

6. The microchannel reaction plate processing device according to claim 1, wherein the heating member is a heating wire, the forming tool bit is formed with heating holes along an axis thereof, and the heating member passes through the heating holes uniformly distributed therein to heat the forming tool bit.

7. The microchannel reaction plate processing apparatus of claim 1, wherein the heating element is a heating plate, and the shaped tool bit is connected to the heating element to heat the shaped tool bit.

8. The microchannel reaction plate fabrication apparatus of claim 6 or 7, wherein a thermal insulation layer is provided between the molded tool bit and the molded assembly.

9. The microchannel reaction plate processing device of claim 1, wherein an outer surface of the shaped tool bit is coated with thermochromic material.

10. The microchannel reaction plate processing apparatus of claim 1, wherein the forming assembly further comprises a temperature sensor for detecting the temperature of the formed tool bit.