Thermal cutting device

Abstract

The utility model belongs to the technical field of cutting equipment, and discloses a thermal cutting device which comprises a workbench, a frame body, a cutting lower die, a first driving mechanism, a cutting upper die and a second driving mechanism. According to the thermal cutting device, the product is cut through the heated cutting part, glass fibers in the product can be fused in time in the product cutting process, the problem that in the prior art, a cutting opening of the product becomes white is solved, it can be guaranteed that the product has the good appearance and the accurate size, and the product quality is improved. And further, the processing efficiency and the yield of back-end processing can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting equipment, in particular to a thermal cutting device. Background Art

[0002] After the existing cutting device cuts the injection molded product, the cut edge of the injection molded product will turn white. Specifically, because there is usually glass fiber inside the injection molded product, the existing cutting device will pull out the glass fiber inside the injection molded product during the cutting process of the injection molded product, thereby turning the cut edge of the injection molded product white, which in turn leads to problems such as poor appearance and dimensional deviation, causing great trouble to the subsequent processing and affecting the processing efficiency and yield rate.

[0003] Therefore, the above problems need to be solved urgently. Utility Model Content

[0004] The purpose of the utility model is to provide a thermal cutting device, which can melt the glass fiber inside the product in time during the cutting process, so as to solve the problem of whitening of the cutting edge of the product in the prior art, thereby ensuring that the product has a good appearance and precise size, and further improving the processing efficiency and yield rate of the back-end processing.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A thermal cutting device, comprising:

[0007] Workbench;

[0008] A frame, the frame being arranged across the workbench;

[0009] A cutting lower die, which is slidably arranged on the workbench in a horizontal direction so as to be able to slide to a cutting station of the workbench;

[0010] The cutting lower die comprises a bearing portion and a fixing portion, wherein the fixing portion is arranged on the bearing portion and is used to fix the product;

[0011] A first driving mechanism, the first driving mechanism is disposed on the workbench, and the first driving mechanism is configured to drive the bearing portion to slide;

[0012] A cutting upper die, wherein the cutting upper die is slidably disposed on the frame along a vertical direction;

[0013] The cutting upper die comprises a mounting portion, a cutting portion and a heating portion, wherein the cutting portion and the heating portion are both arranged on the mounting portion, the cutting portion is used for cutting the product on the cutting station, and the heating portion is used for heating the cutting portion;

[0014] A second driving mechanism is disposed on the frame, and the second driving mechanism is configured to drive the mounting portion to slide.

[0015] Preferably, the thermal cutting device further comprises a hole box, which is arranged on the workbench and located below the cutting station, and is used to carry the products dropped after being cut on the cutting station.

[0016] Preferably, the cutting upper mold further comprises a blowing part, and the blowing part is used to blow air to the products cut at the cutting station so that they can fall into the cavity box.

[0017] Preferably, the fixing parts are provided in plurality, and the cutting parts are provided in plurality corresponding to the number of the fixing parts.

[0018] Preferably, a positioning column is provided on one of the mounting portion and the bearing portion, and a positioning hole is provided on the other of the mounting portion and the bearing portion, and the positioning column and the positioning hole can be adapted to be snap-fitted.

[0019] Preferably, the first driving mechanism comprises:

[0020] A slide rail, the slide rail is arranged on the workbench along the horizontal direction;

[0021] A slider, the slider is slidably matched with the slide rail, and the bearing portion is arranged on the slider;

[0022] A driving member is configured to drive the slider or the bearing portion to slide.

[0023] Preferably, the driving member comprises:

[0024] A servo motor, wherein the servo motor is arranged on the workbench;

[0025] A transmission screw, the transmission screw being connected to the output shaft of the servo motor along the horizontal direction;

[0026] A screw nut, the screw nut being matched with the thread of the transmission screw;

[0027] A transition piece, wherein the screw nut is connected to the slider or the bearing portion through the transition piece.

[0028] Preferably, the second driving mechanism comprises a linear cylinder, which is disposed on the frame, and a telescopic portion of the linear cylinder moves in a vertical direction, and the telescopic portion is connected to the mounting portion.

[0029] Preferably, the thermal cutting device further comprises a guide assembly, and the guide assembly is configured to guide the mounting portion to slide in a vertical direction.

[0030] Preferably, the guide assembly comprises:

[0031] A guide column, the guide column is arranged on the workbench along the vertical direction;

[0032] A sliding sleeve is provided on the guide column, and the mounting portion is connected to the sliding sleeve.

[0033] Beneficial effects of the utility model:

[0034] The thermal cutting device provided by the utility model cuts the product through the heated cutting part, and can melt the glass fiber inside the product in time during the cutting process to solve the problem of whitening of the cutting edge of the product in the prior art, thereby ensuring that the product has a good appearance and precise size, and further improving the processing efficiency and yield rate of the back-end processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the thermal cutting device provided by the utility model;

[0036] Figure 2 It is a structural schematic diagram of the cutting upper die provided by the utility model;

[0037] Figure 3 yes Figure 1 Enlarged view of point A in the middle.

[0038] In the figure:

[0039] 1. Workbench; 2. Frame; 3. Cutting lower die; 31. Bearing part; 32. Fixing part; 4. First driving mechanism; 41. Slide rail; 42. Slider; 43. Driving member; 431. Servo motor; 432. Transmission screw; 5. Cutting upper die; 51. Mounting part; 52. Cutting part; 6. Second driving mechanism; 7. Point box; 8. Positioning column; 9. Positioning hole; 10. Guide assembly; 101. Guide column; 102. Sliding sleeve. DETAILED DESCRIPTION

[0040] Before any embodiments of the application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the above drawings.

[0041] In this application, the terms "comprises", "includes", "has" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element.

[0042] In the present application, the term "and / or" is a description of the association relationship of associated objects, indicating that three relationships may exist. For example, a centrifugal vortex magnetic pump and / or a centrifugal vortex magnetic pump can represent: the existence of a centrifugal vortex magnetic pump alone, the existence of a centrifugal vortex magnetic pump and a centrifugal vortex magnetic pump at the same time, and the existence of a centrifugal vortex magnetic pump alone. In addition, the character " / " in the present application generally indicates that the objects associated before and after are in an "and / or" relationship.

[0043] In the present application, the terms "connect", "combine", "couple", and "install" may refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, direct connection refers to two parts or components being connected together without the need for an intermediate piece, and indirect connection refers to two parts or components being connected to at least one intermediate piece respectively, and the two parts or components being connected via the intermediate piece. In addition, "connect" and "couple" are not limited to physical or mechanical connections or couplings, and may include electrical connections or couplings.

[0044] In the present application, it will be understood by those of ordinary skill in the art that relative terms (e.g., "about," "approximately," "substantially," etc.) used in conjunction with quantities or conditions include the values ​​and have the meaning indicated by the context. For example, the relative terms include at least the degree of error associated with the measurement of a specific value, the tolerances caused by manufacturing, assembly, and use associated with a specific value, and the like. Such terms should also be considered to disclose a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to plus or minus a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​that do not use relative terms should also be disclosed as specific values ​​with tolerances. In addition, "substantially" may refer to plus or minus a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) on the basis of the indicated angle when expressing a relative angular position relationship (e.g., substantially parallel, substantially perpendicular).

[0045] In this application, it will be understood by those skilled in the art that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.

[0046] In the present application, the terms "upper", "lower", "left", "right", "front", "back" and other directional words are described based on the orientation and positional relationship shown in the accompanying drawings, and should not be understood as limiting the embodiments of the present application. In addition, in the context, it is also necessary to understand that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to another element "upper" or "lower", but also indirectly connected to another element "upper" or "lower" through an intermediate element. It should also be understood that directional words such as upper side, lower side, left side, right side, front side, back side, etc. not only represent the positive orientation, but can also be understood as the lateral orientation. For example, the bottom can include directly below, lower left, lower right, lower front, and lower back, etc.

[0047] See also Figures 1 to 3 The present embodiment provides a thermal cutting device, which includes a workbench 1, a frame 2, a cutting lower mold 3, a first driving mechanism 4, a cutting upper mold 5 and a second driving mechanism 6.

[0048] The frame 2 is arranged across the workbench 1. The cutting lower die 3 is slidably arranged on the workbench 1 in the horizontal direction so as to be able to slide to the cutting station of the workbench 1. The cutting lower die 3 includes a bearing portion 31 and a fixing portion 32, and the fixing portion 32 is arranged on the bearing portion 31, and the fixing portion 32 is used to fix the product. The first driving mechanism 4 is arranged on the workbench 1, and the first driving mechanism 4 is configured to drive the bearing portion 31 to slide. In the present embodiment, the product is an injection molded product. It should be noted that the cutting lower die 3 is a prior art, and those skilled in the art can make adaptive improvements to it according to actual application scenarios, so it will not be elaborated.

[0049] The cutting upper die 5 is slidably arranged on the frame 2 in the vertical direction. The cutting upper die 5 includes a mounting portion 51, a cutting portion 52 and a heating portion. The cutting portion 52 and the heating portion are both arranged on the mounting portion 51. The cutting portion 52 is used to cut the product on the cutting station, and the heating portion is used to heat the cutting portion 52. The second driving mechanism 6 is arranged on the frame 2, and the second driving mechanism 6 is configured to drive the mounting portion 51 to slide. In this embodiment, the heating portion is a heating rod, and the cutting portion 52 is a cutting knife. The models of the heating rod and the cutting knife can be selected according to the actual application scenario, and this embodiment does not make specific requirements and restrictions on this.

[0050] In actual application, the product is first placed on the cutting lower die 3 and fixed by the cutting lower die 3. At the same time, the heating part heats the cutting part 52. Then the first driving mechanism 4 drives the cutting lower die 3 to the cutting station, and then the second driving mechanism 6 drives the cutting upper die 5 to descend, so as to cut the product by the heated cutting part 52. It can be understood that by cutting the product by the heated cutting part 52, the glass fiber inside the product can be melted in time during the cutting process of the product, so as to solve the problem of whitening of the cutting edge of the product in the prior art, thereby ensuring that the product has a good appearance and precise size, and thus improving the processing efficiency and yield rate of the back-end processing.

[0051] Preferably, the hot cutting device also includes a hole box 7, which is arranged on the workbench 1 and below the cutting station. The hole box 7 is used to carry the products that fall after being cut on the cutting station. Such an arrangement makes it easier to store the products, which helps to further improve the processing efficiency. It should be noted that the cutting lower die 3 includes an avoidance hole that can be connected to the hole box 7, so that the cut products can fall into the hole box 7 below the cutting station. The specific structure of the cutting lower die 3 is designed according to the actual application scenario and will not be described in detail.

[0052] Furthermore, the cutting upper die 5 also includes a blowing part, which is used to blow air to the cut products at the cutting station so that they can fall into the hole box 7, thereby enabling the products to fall into the hole box 7 more timely, which helps to further improve the processing efficiency. It should be noted that the blowing part can select any mechanism with a blowing function in the prior art, such as a hair dryer, a blower, a high-pressure air gun, etc.

[0053] To further improve processing efficiency, a plurality of fixing parts 32 are provided, and a plurality of cutting parts 52 are provided corresponding to the number of fixing parts 32. It can be understood that the provision of a plurality of fixing parts 32 and a plurality of cutting parts 52 can realize cutting of a plurality of products at the same time, thereby helping to improve processing efficiency.

[0054] In order to ensure that the cutting part 52 can accurately cut the product, a positioning column 8 is provided on one of the mounting part 51 and the bearing part 31, and a positioning hole 9 is provided on the other of the mounting part 51 and the bearing part 31, and the positioning column 8 and the positioning hole 9 can be adapted and engaged. It can be understood that by adapting and engaging the positioning column 8 and the positioning hole 9, the relative position of the product and the cutting part can be ensured to be accurate, so that the cutting part can accurately cut the product. In this embodiment, four positioning columns 8 are provided, and four positioning holes 9 are correspondingly provided.

[0055] The first driving mechanism 4 includes a slide rail 41, a slider 42 and a driving member 43. The slide rail 41 is arranged on the workbench 1 in the horizontal direction. The slider 42 is slidably matched with the slide rail 41, and the bearing part 31 is arranged on the slider 42. The driving member 43 is configured to drive the slider 42 or the bearing part 31 to slide. It can be understood that the arrangement of the slide rail 41 and the slider 42 can make the bearing part 31 slide more smoothly. In the present embodiment, two slide rails 41 are provided, and two sliders 42 are correspondingly provided, and the two sliders 42 are respectively connected to the two sides of the bearing part 31, so that the bearing part 31 slides more smoothly.

[0056] Specifically, the driving member 43 includes a servo motor 431, a transmission screw 432, a screw nut and an adapter. The servo motor 431 is arranged on the workbench 1. The screw is connected to the output shaft of the servo motor 431 in the horizontal direction. The screw nut is threadedly matched with the transmission screw 432. The screw nut is connected to the slider 42 or the bearing part 31 through the adapter. It can be understood that driving the slider 42 or the bearing part 31 to move by the servo motor 431 helps to improve the degree of automation of the thermal cutting device. In this embodiment, the adapter is connected to the bearing part 31.

[0057] In order to further enhance the automation level of the thermal cutting device, the second driving mechanism 6 includes a linear cylinder, which is disposed on the frame 2 . The telescopic portion of the linear cylinder moves in the vertical direction, and the telescopic portion is connected to the mounting portion 51 .

[0058] In order to improve the smoothness of the sliding of the mounting portion 51, the thermal cutting device further includes a guide assembly 10, which is configured to guide the mounting portion 51 to slide in the vertical direction. Specifically, the guide assembly 10 includes a guide column 101 and a sliding sleeve 102. The guide column 101 is arranged on the workbench 1 in the vertical direction, the sliding sleeve 102 is slidingly sleeved on the guide column 101, and the mounting portion 51 is connected to the sliding sleeve 102. In this embodiment, the guide columns 101 are arranged on the workbench 1 corresponding to the four corners of the mounting portion 51, and four sliding sleeves 102 are arranged correspondingly.

[0059] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A thermal cutting device, characterized in that: include: Workbench (1); A frame (2), the frame (2) being arranged astride the workbench (1); A cutting lower die (3), the cutting lower die (3) being slidably arranged on the workbench (1) in a horizontal direction so as to be able to slide to a cutting station of the workbench (1); The cutting lower die (3) comprises a bearing portion (31) and a fixing portion (32), wherein the fixing portion (32) is arranged on the bearing portion (31), and the fixing portion (32) is used to fix the product; A first driving mechanism (4), the first driving mechanism (4) being arranged on the workbench (1), and the first driving mechanism (4) being configured to drive the bearing portion (31) to slide; A cutting upper die (5), wherein the cutting upper die (5) is slidably disposed on the frame (2) along a vertical direction; The cutting upper die (5) comprises a mounting portion (51), a cutting portion (52) and a heating portion, wherein the cutting portion (52) and the heating portion are both arranged on the mounting portion (51), the cutting portion (52) is used for cutting the product on the cutting station, and the heating portion is used for heating the cutting portion (52); A second driving mechanism (6), wherein the second driving mechanism (6) is arranged on the frame (2), and the second driving mechanism (6) is configured to drive the mounting portion (51) to slide.

2. A thermal cutting device according to claim 1, characterized in that: The thermal cutting device further comprises a hole-dividing box (7), which is arranged on the workbench (1) and located below the cutting station, and is used to carry products that fall off the cutting station after being cut.

3. A thermal cutting device according to claim 2, characterized in that: The cutting upper die (5) further comprises an air blowing portion, which is used to blow air onto the product cut at the cutting station so that the product can fall into the hole dividing box (7).

4. A thermal cutting device according to claim 1, characterized in that: A plurality of the fixing parts (32) are provided, and a plurality of the cutting parts (52) are provided corresponding to the number of the fixing parts (32).

5. The thermal cutting device according to claim 1, characterized in that: A positioning column (8) is provided on one of the mounting portion (51) and the bearing portion (31), and a positioning hole (9) is provided on the other of the mounting portion (51) and the bearing portion (31), and the positioning column (8) and the positioning hole (9) can be adapted to be snap-fitted.

6. The thermal cutting device according to claim 1, characterized in that: The first driving mechanism (4) comprises: A slide rail (41), wherein the slide rail (41) is arranged on the workbench (1) along the horizontal direction; A slider (42), the slider (42) slidably cooperates with the slide rail (41), and the bearing portion (31) is arranged on the slider (42); A driving member (43), wherein the driving member (43) is configured to drive the slider (42) or the bearing portion (31) to slide.

7. A thermal cutting device according to claim 6, characterized in that: The driving member (43) comprises: A servo motor (431), wherein the servo motor (431) is arranged on the workbench (1); A transmission screw (432), wherein the transmission screw (432) is connected to the output shaft of the servo motor (431) along the horizontal direction; A screw nut, the screw nut being threadably matched with the transmission screw (432); A transition piece, through which the screw nut is connected to the slider (42) or the bearing portion (31).

8. The thermal cutting device according to claim 1, characterized in that: The second driving mechanism (6) comprises a linear cylinder, which is arranged on the frame (2), and the telescopic part of the linear cylinder moves in a vertical direction, and the telescopic part is connected to the mounting part (51).

9. The thermal cutting device according to claim 1, characterized in that: The thermal cutting device further comprises a guide assembly (10), wherein the guide assembly (10) is configured to guide the mounting portion (51) to slide in a vertical direction.

10. A thermal cutting device according to claim 9, characterized in that: The guide assembly (10) comprises: A guide column (101), wherein the guide column (101) is arranged on the workbench (1) along a vertical direction; A sliding sleeve (102), wherein the sliding sleeve (102) is slidably mounted on the guide column (101), and the mounting portion (51) is connected to the sliding sleeve (102).

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