Rigid polyvinyl chloride dumbbell sample preparation and scrap removal all-in-one machine
By designing a rigid PVC dumbbell sample preparation and chip removal integrated machine, and utilizing an exhaust fan and a three-axis linkage cutting mechanism, the problems of chip contamination and dimensional deviation during sample preparation were solved, achieving efficient and accurate sample preparation and cleaning, and improving the detection accuracy.
Patent Information
- Application Number
- CN202520292532.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-24
AI Technical Summary
When preparing rigid PVC dumbbell samples, the debris and dust generated during cutting pollute the environment, and conventional sample preparation machines have dimensional deviations, affecting the accuracy of testing and increasing time costs.
Design a rigid polyvinyl chloride dumbbell sample preparation and chip removal integrated machine, which combines a fan and a three-axis linkage cutting mechanism. It uses a dark groove and chip removal hole to adsorb debris, and uses a fixture to position the mold to achieve efficient cutting and cleaning.
It achieves efficient sample preparation and debris removal in one integrated process, improving sample preparation accuracy and production efficiency, and ensuring the accuracy of subsequent testing.
Smart Images
Figure CN223815269U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sample preparation equipment technical field especially relates to a hard polyvinyl chloride dumbbell sample preparation scrap removal integrated machine. BACKGROUND
[0002] The hard polyvinyl chloride pipe material for building drainage is a kind of pipe material with high tensile strength, high ring stiffness, smooth inner wall, and uses socket connection and rubber ring sealing, which is convenient to install and maintain, and the material usage is high, is one of indispensable materials in modern construction engineering.Tensile strength detection is an important link of the whole hard polyvinyl chloride detection experiment, usually adopts sample preparation machine to prepare dumbbell-shaped test piece, and the sample is subjected to tensile force by tension testing machine until the sample is broken, so that the key performance indicators such as tensile strength are obtained.
[0003] But in the hard polyvinyl chloride dumbbell sample preparation, since the material itself is not dumbbell-shaped, generally needs to intercept a section of hard polyvinyl chloride pipe material, and the edge of the sheet is cut and polished to dumbbell-shaped by cutting tool to complete the sample preparation work, in this process, a large amount of chippings and dust will be generated when the tool cuts the sheet, which pollutes the laboratory environment, and most of the conventional sample preparation machines adopt manual cutting or semi-automatic cutting equipment, which is easy to produce size deviation, affects the accuracy of subsequent mechanical test, and sample preparation and chip cleaning also need to be carried out in steps, which increases the time cost.
[0004] Therefore, in combination with the above-mentioned technical problems, it is necessary to provide a new technical scheme. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a hard polyvinyl chloride dumbbell sample preparation scrap removal integrated machine, which is more efficient in sample preparation, more accurate in size and can clean the chippings during sample preparation.
[0006] To solve the above technical problems, the utility model provides a hard polyvinyl chloride dumbbell sample preparation scrap removal integrated machine, and the specific technical scheme is as follows:
[0007] A hard polyvinyl chloride dumbbell sample preparation scrap removal integrated machine is used for cutting hard polyvinyl chloride sheet into dumbbell-shaped sample and removing chippings generated in the cutting process, comprising a base, a sample preparation mold mounted on the base and a cutting mechanism mounted above the base, the sample preparation mold comprises a lower mold fixed on the base and a upper mold mounted above the lower mold, and the hard polyvinyl chloride sheet is clamped and fixed between the upper mold and the lower mold;A hidden groove is formed in the inside of the base, and a plurality of chip removal holes in communication with the hidden groove are uniformly formed around the sample preparation mold on the upper surface of the base, and an exhaust fan is arranged at the rear of the base, and the exhaust fan is in communication with the hidden groove through a connecting pipe.
[0008] Preferably, a fixed screw is vertically fixed on the lower die, a locking nut is threadedly connected on the fixed screw, a positioning hole adapted to the fixed screw is formed on the upper die, the upper die is limitingly connected with the lower die through cooperation of the positioning hole and the fixed screw and is fixed through the locking nut, shapes and sizes of the upper die and the lower die are mutually adapted dumbbell shapes, and lengths of the upper die and the lower die are greater than that of the hard polyvinyl chloride sheet, and widths of the upper die and the lower die are less than that of the hard polyvinyl chloride sheet.
[0009] Preferably, the depth of the dark groove gradually increases from front to back, forming a slope in the reverse direction of the air extractor to facilitate the falling of the debris into the connecting pipe.
[0010] Preferably, a filter screen is arranged between the connecting pipe and the air extractor, a hole is formed in the bottom wall of the connecting pipe, and a dust removal cover is movably arranged at the hole.
[0011] Preferably, a clamp mechanism is movably arranged on the base, the clamp mechanism comprises a pair of first clamps clamping two ends of the sample preparation mold and a pair of second clamps clamping two sides of the sample preparation mold, the first clamps are L-shaped in cross section and the top ends of the first clamps abut against the end portions of the upper die, and the second clamps are triangular in cross section and the top ends of the second clamps do not exceed the upper surface of the lower die.
[0012] Preferably, the cutting mechanism comprises a cutting tool connected through three-axis linkage, and the surface of the cutting tool is coated with an anti-sticking coating.
[0013] Preferably, a transparent acrylic material surrounding plate is arranged above the base, and a sliding door is arranged at the surrounding plate at the front side of the base.
[0014] The hard polyvinyl chloride dumbbell sample preparation and debris removal integrated machine has the following beneficial effects:
[0015] The hard polyvinyl chloride dumbbell sample preparation and debris removal integrated machine optimizes the sample preparation process, forms a dark groove with negative pressure in the base through the air extractor, and uses the dark groove and the debris removal hole to clean the generated debris during sample preparation, thereby forming a more efficient sample preparation and debris removal integrated structure, greatly improving the production efficiency, and using the sample preparation mold positioned by the clamp and the three-axis linkage cutting mechanism to improve the sample preparation accuracy, even by connecting a numerical control system as needed to further improve the sample preparation efficiency and sample size accuracy, and more conducive to improving the subsequent detection accuracy.
[0016] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 It is a structure schematic view of a hard polyvinyl chloride dumbbell sample preparation and debris removal integrated machine.
[0019] Figure 2 It is Figure 1 It is a side view of a medium-hard polyvinyl chloride dumbbell sample preparation and debris removal integrated machine.
[0020] Figure 3 It is Figure 1 It is a top view of a medium-hard polyvinyl chloride dumbbell sample preparation and debris removal integrated machine (not including cutting mechanism).
[0021] Wherein, 1 - base; 11 - first clamp; 12 - second clamp; 13 - hidden groove; 14 - debris removal hole; 2 - sample preparation mold; 21 - upper mold; 22 - lower mold; 23 - fixed screw; 3 - cutting mechanism; 31 - cutting knife; 4 - coaming; 5 - connecting pipe; 51 - filter screen; 52 - dust cover; 6 - exhaust fan; 7 - hard polyvinyl chloride sheet. DETAILED DESCRIPTION
[0022] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. EMBODIMENT
[0023] Please refer to Figures 1 to 3 A hard polyvinyl chloride dumbbell sample preparation and debris removal integrated machine is used for cutting hard polyvinyl chloride sheet 7 into dumbbell-shaped samples and removing debris generated in the cutting process, comprising a base 1, a sample preparation mold 2 installed on the base, and a cutting mechanism 3 installed above the base, the sample preparation mold comprises a lower mold 22 fixed on the base and an upper mold 21 installed above the lower mold, and the hard polyvinyl chloride sheet is clamped and fixed between the upper mold and the lower mold; the base is internally provided with a hidden groove 13, and a plurality of debris removal holes 14 communicating with the hidden groove are uniformly arranged on the upper surface of the base around the sample preparation mold, the rear of the base is provided with an exhaust fan 6, and the exhaust fan is communicated with the hidden groove through a connecting pipe 5.
[0024] The lower die 22 is vertically fixed with a fixed screw rod 23, the fixed screw rod is threadedly connected with a locking nut, the upper die is provided with a positioning hole matched with the fixed screw rod, and the upper die is limitingly connected with the lower die through the cooperation of the positioning hole and the fixed screw rod and is fixed through the locking nut.
[0025] The depth of the dark groove 13 gradually increases from front to back, and a slope in the direction opposite to the air extractor is formed to facilitate the falling of the debris into the connecting pipe.
[0026] The filter screen 51 is arranged between the connecting pipe 5 and the air extractor 6, the bottom wall of the connecting pipe is provided with an opening, and the dust removal cover 52 is movably arranged at the opening to facilitate the periodic cleaning of the debris garbage.
[0027] The clamping mechanism is movably arranged on the base 1, the clamping mechanism comprises a pair of first clamps 11 clamped at two ends of the sample preparation mold and a pair of second clamps 12 clamped at two sides of the sample preparation mold, the first clamp is L-shaped in cross section, and the top end of the first clamp abuts against the end of the upper die, and the second clamp is triangular in cross section, and the top end of the second clamp does not exceed the upper surface of the lower die.
[0028] The cutting mechanism 3 comprises a cutting tool 31 connected through three-axis linkage, and the surface of the cutting tool is coated with an anti-sticking coating to reduce the adhesion of debris on the surface of the cutting tool.
[0029] The base 1 is surrounded by a transparent acrylic material surrounding plate 4, and the front side of the base is provided with a sliding door.
[0030] The beneficial effects of the utility model are: through optimizing the sample preparation process, the dark groove with negative pressure is formed in the base by the air extractor, the generated debris is adsorbed and cleaned during sample preparation by the cooperation of the dark groove and the debris removal hole, a more efficient sample preparation and debris removal integrated structure is formed, the production efficiency is greatly improved, and the sample preparation mold positioned by the clamp cooperates with the three-axis linkage cutting mechanism, which is beneficial to improving the sample preparation precision, even the numerical control system can be externally connected according to the needs, the efficiency and sample size accuracy of sample preparation are further improved, and the subsequent detection precision is more improved.
[0031] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify and transform the above-mentioned embodiments within the scope of the utility model.
Claims
1. A hard polyvinyl chloride dumbbell sample cutting and debris removing all-in-one machine for cutting a hard polyvinyl chloride sheet (7) into a dumbbell-shaped sample and removing debris generated during the cutting process, characterized in that: It includes base (1), installation sample mold (2) and cutting mechanism (3) on the base, the sample mold includes the lower die (22) that can be detached and fixed on the base and the upper die (22) is installed above the lower die, and the hard polyvinyl chloride sheet is clamped and fixed between the upper die and the lower die;The inside of the base is provided with a hidden groove (13), and a plurality of chip removal holes (14) are uniformly provided on the upper surface of the base around the sample mold and communicated with the hidden groove, and the rear of the base is provided with an exhaust fan (6), which is communicated with the hidden groove through a connecting pipe (5).
2. The hard polyvinyl chloride dumbbell sample preparation and chip removal all-in-one machine according to claim 1, characterized in that: The lower die (22) is vertically fixed with a fixed screw rod (23), and a locking nut is threadedly connected on the fixed screw rod, and a positioning hole is formed on the upper die and matched with the fixed screw rod, and the upper die is connected with the lower die through the positioning hole and the fixed screw rod, and is fixed through the locking nut, the shape and size of the upper die and the lower die are mutually matched dumbbell, and the length of the upper die and the lower die is greater than the length of the hard polyvinyl chloride sheet, and the width of the upper die and the lower die is less than the width of the hard polyvinyl chloride sheet.
3. The hard polyvinyl chloride dumbbell sample preparation and chip removal all-in-one machine according to claim 1, characterized in that: The depth of the hidden groove (13) gradually increases from front to back, forming a slope in the direction opposite to the exhaust fan to facilitate the falling of the debris into the connecting pipe.
4. The hard polyvinyl chloride dumbbell sample preparation and chip removal all-in-one machine according to claim 3, characterized in that: The connecting pipe (5) and the exhaust fan (6) are provided with a filter screen (51), and the bottom wall of the connecting pipe is provided with an opening, and a dust cover (52) is installed at the opening.
5. The hard polyvinyl chloride dumbbell sample preparation and chip removal all-in-one machine according to claim 1, characterized in that: The base (1) is movably mounted with a clamp mechanism, the clamp mechanism includes a pair of first clamps (11) clamped at both ends of the sample mold and a pair of second clamps (12) clamped at both sides of the sample mold, the first clamp is L-shaped in cross section, and the top end of the first clamp abuts against the end of the upper die, the second clamp is triangular in cross section, and the top end of the second clamp does not exceed the upper surface of the lower die.
6. The hard polyvinyl chloride dumbbell sample preparation and chip removal all-in-one machine according to claim 1, characterized in that: The cutting mechanism (3) includes a cutting knife (31) through three-axis linkage, and the surface of the cutting knife is coated with an anti-sticking coating.
7. The hard polyvinyl chloride dumbbell sample preparation and chip removal all-in-one machine according to claim 1, characterized in that: The base is surrounded by a transparent acrylic material fence (4), and a sliding door is provided at the fence of the front side of the base.