Precise water gap cutting machine cutter
Through the coordination of the guide positioning block and the upper tool holder and the 15-degree inclined port design, the problem of low cutter accuracy is solved, and high-precision cutting and aesthetic improvement are achieved.
Patent Information
- Application Number
- CN202422038692.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-21
AI Technical Summary
Existing cutters lack positioning auxiliary structure when cutting the water outlet of plastic products, resulting in reduced accuracy and may damage the product.
A precision water insulating machine cutting knife is designed, using a guide positioning block and a upper tool holder, combined with a 15-degree inclined blade to improve cutting accuracy and reduce burrs.
Improves cutting accuracy, prevents product damage, reduces burrs and white edges, and improves product aesthetics.
Smart Images

Figure CN223236879U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of precision sprue cutting machines, in particular to a cutting knife for precision sprue cutting machines. Background Art
[0002] Common plastic products are typically injection molded using molds. During the molding process, sprues are left behind on plastic products. These sprues are the excess material left on the plastic product during the injection molding process. To ensure the integrity and appearance of the plastic product, these sprues need to be removed after molding.
[0003] However, the cutter used in the watertight cutting machine is usually used directly. During the use of the general cutter, the accuracy of processing plastic products is reduced due to the lack of a positioning auxiliary structure, which may cause damage to the plastic product during the watertight cutting process. Utility Model Content
[0004] The purpose of the present utility model is to provide a precision cutter for a water gate cutting machine, which effectively solves the problem that the precision of processing plastic products is reduced due to the lack of a positioning auxiliary structure during the use of general cutters, thereby causing damage to the plastic products during water gate cutting.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A precision water gate cutting machine cutter, comprising an upper base plate, a hydraulic buffer fixedly connected to the lower surface of the upper base plate, a lower base plate disposed below the upper base plate, and a cutter assembly disposed on the lower surface of the upper base plate;
[0006] The cutter assembly includes a mounting plate, a mounting plate is provided on the lower surface of the upper base plate, a buffer pad is provided on the lower surface of the mounting plate, and the buffer pad and the mounting plate are arranged to be installed alternately, the upper surface of the mounting plate is fixedly connected to a mounting column, and the mounting column is fixedly connected to the inner side of the through hole opened in the upper base plate, the lower surface of the mounting plate is fixedly connected to a positioning pin, and the lower surface of the mounting plate is movably connected to the upper knife seat through the positioning pin, the left side of the upper knife seat is fixedly connected to the cutter, the upper surface of the lower base plate is fixedly connected to a guide positioning block, and the left side of the guide positioning block is fixedly connected to the lower knife.
[0007] Through the above technical solution, the upper knife holder is used in conjunction with the guide positioning block to insert the upper knife holder into the guide positioning block for positioning before the cutter starts to cut the water outlet. Such a mechanism improves the water outlet cutting accuracy.
[0008] Preferably, the upper surface of the lower base plate is fixedly connected to a positioning platform, the lower surface of the lower base plate is movably connected to front and rear cylinders, and the output ends of the front and rear cylinders are fixedly connected to the front side of the lower base plate through fixed blocks, and the lower surface of the lower base plate is slidably connected to a guide rail through a slider.
[0009] Preferably, the cutting edge of the cutter is set to be a 15-degree bevel.
[0010] Through the above technical solution, the present application utilizes an inclined blade to improve the cutting force of the cutter, thereby reducing the occurrence of burrs or whitening on the cut edge after processing.
[0011] Preferably, a guide groove is provided on the inner side of the guide positioning block, and the width of the guide groove is adapted to the width of the bottom of the upper tool holder.
[0012] Through the above technical solution, the guide positioning block of the present application cooperates with the upper knife seat to make the cutter more stable when cutting the water outlet, while improving the accuracy of the cutter.
[0013] Preferably, the bottom of the upper knife seat is configured as a U-shaped plate, and the upper knife seat is configured as an L-shaped knife seat.
[0014] Preferably, the cutter is made of high-speed steel.
[0015] By adopting the above technical solution, the beneficial effects of the utility model are:
[0016] 1. When the cutter of the precision sprue cutting machine is used in conjunction with the upper knife seat through the guide positioning block provided by the cutter assembly, the guide groove opened by the upper knife seat and the guide positioning block makes the upper knife seat and the cutter more stable during processing while improving the accuracy of the cutter, preventing the product from being damaged due to low accuracy when the cutter is working.
[0017] 2. The cutting knife of the precision nozzle cutting machine uses the 15-degree bevel set on the cutting knife to improve the cutting force when in use, while reducing the appearance of burrs or white edges at the processed part of the product after cutting, and improving the appearance of the product after processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the utility model;
[0019] Figure 2 This is the main view of the utility model;
[0020] Figure 3 This is a top view of the utility model;
[0021] Figure 4 For this utility model Figure 3 Partial cross-section at AA in the middle.
[0022] In the figure: 1 upper base plate, 2 hydraulic buffer, 3 lower base plate, 4 cutter assembly, 41 mounting plate, 42 buffer pad, 43 mounting column, 44 positioning pin, 45 upper knife holder, 46 cutter, 47 guide positioning block, 48 lower knife, 5 positioning table, 6 front and rear cylinders, 7 guide rail. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.
[0025] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0026] See also Figure 1-4 The utility model provides a technical solution: a precision water gate cutting machine cutter, comprising an upper base plate 1, a hydraulic buffer 2 is fixedly connected to the lower surface of the upper base plate 1, a lower base plate 3 is arranged below the upper base plate 1, and a cutter assembly 4 is arranged on the lower surface of the upper base plate 1;
[0027] The cutter assembly 4 includes a mounting plate 41. The mounting plate 41 is provided on the lower surface of the upper base plate 1. The lower surface of the mounting plate 41 is provided with a buffer pad 42, and the buffer pad 42 and the mounting plate 41 are arranged to be installed alternately. The upper surface of the mounting plate 41 is fixedly connected to a mounting column 43, and the mounting column 43 is fixedly connected to the inner side of the through hole opened in the upper base plate 1. The lower surface of the mounting plate 41 is fixedly connected to a positioning pin 44, and the lower surface of the mounting plate 41 is movably connected to an upper knife seat 45 through the positioning pin 44. A cutter 46 is fixedly connected to the left side of the upper knife seat 45. The upper surface of the lower base plate 3 is fixedly connected to a guide positioning block 47, and a lower knife 48 is fixedly connected to the left side of the guide positioning block 47.
[0028] Reference Figure 1 、 2 As shown, the upper surface of the lower base plate 3 is fixedly connected to the positioning platform 5, the lower surface of the lower base plate 3 is movably connected to the front and rear cylinders 6, and the output ends of the front and rear cylinders 6 are fixedly connected to the front surface of the lower base plate 3 through fixed blocks, and the lower surface of the lower base plate 3 is slidably connected to the guide rail 7 through a slider.
[0029] Reference Figure 4 As shown, the cutting edge of the cutter 46 is set to a 15-degree bevel.
[0030] Reference Figure 1 、 4 As shown, a guide groove is provided on the inner side of the guide positioning block 47 , and the width of the guide groove is adapted to the width of the bottom of the upper knife seat 45 .
[0031] Reference Figure 1 、 4 As shown, the bottom of the upper knife seat 45 is configured as a U-shaped plate, and the upper knife seat 45 is configured as an L-shaped knife seat.
[0032] Reference Figure 1 、 4 As shown, the cutter 46 is made of high-speed steel.
[0033] When the cutter of the precision water nozzle cutting machine is working, the upper knife seat 45 moves downward and drives the cutter 46 to move downward. The cutter 46 cooperates with the lower knife 48 to squeeze the product and cut off the water nozzle. When the upper knife seat 45 moves downward, it moves along the guide groove set in the positioning guide block 47 to improve the stability and accuracy of the cutter 46 when working.
[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A precision water gate cutting machine cutter, comprising an upper base plate (1), characterized in that: A hydraulic buffer (2) is fixedly connected to the lower surface of the upper base plate (1), a lower base plate (3) is provided below the upper base plate (1), and a cutter assembly (4) is provided on the lower surface of the upper base plate (1); The cutter assembly (4) comprises a mounting plate (41), the lower surface of the upper substrate (1) is provided with a mounting plate (41), the lower surface of the mounting plate (41) is provided with a buffer pad (42), and the buffer pad (42) and the mounting plate (41) are arranged to be installed alternately, the upper surface of the mounting plate (41) is fixedly connected with a mounting column (43), and the mounting column (43) is fixedly connected to the inner side of a through hole opened in the upper substrate (1), the lower surface of the mounting plate (41) is fixedly connected with a positioning pin (44), and the lower surface of the mounting plate (41) is movably connected with an upper knife seat (45) through the positioning pin (44), the left side of the upper knife seat (45) is fixedly connected with a cutter (46), the upper surface of the lower substrate (3) is fixedly connected with a guide positioning block (47), and the left side of the guide positioning block (47) is fixedly connected with a lower knife (48).
2. A precision water gate cutting machine cutter according to claim 1, characterized in that: The upper surface of the lower base plate (3) is fixedly connected to a positioning platform (5), the lower surface of the lower base plate (3) is movably connected to front and rear cylinders (6), and the output ends of the front and rear cylinders (6) are fixedly connected to the front surface of the lower base plate (3) through a fixed block, and the lower surface of the lower base plate (3) is slidably connected to a guide rail (7) through a slider.
3. The precision water gate cutting machine cutter according to claim 2, characterized in that: The cutting edge of the cutter (46) is set to a 15-degree bevel.
4. The precision water nozzle cutting machine cutter according to claim 3, characterized in that: A guide groove is provided on the inner side of the guide positioning block (47), and the width of the guide groove is adapted to the width of the bottom of the upper knife seat (45).
5. The precision water nozzle cutting machine cutter according to claim 4, characterized in that: The bottom of the upper knife seat (45) is configured as a U-shaped plate, and the upper knife seat (45) is configured as an L-shaped knife seat.
6. The precision water nozzle cutting machine cutter according to claim 5, characterized in that: The cutter (46) is made of high-speed steel.