CN111426569B - Compression-resistant detection device for high-polymer injection molding part - Google Patents
Compression-resistant detection device for high-polymer injection molding part Download PDFInfo
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- CN111426569B CN111426569B CN202010323330.XA CN202010323330A CN111426569B CN 111426569 B CN111426569 B CN 111426569B CN 202010323330 A CN202010323330 A CN 202010323330A CN 111426569 B CN111426569 B CN 111426569B
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000001746 injection moulding Methods 0.000 title claims abstract description 26
- 230000006835 compression Effects 0.000 title claims abstract description 18
- 238000007906 compression Methods 0.000 title claims abstract description 18
- 229920000642 polymer Polymers 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 101150038956 cup-4 gene Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a compression-resistant detection device for a high polymer injection molding part, which relates to the field of injection molding parts and comprises the following components: the first motor is fixed in the base; the center of the bottom end surface of the turntable positioned above the base is fixedly connected with the output shaft of the first motor; the supporting parts are fixed on the upper end face of the turntable, and the distances from each supporting part to the center of the upper end face of the turntable are equal; a detecting part positioned at one side of the turntable and fixed on the base; during detection, after a plurality of samples are sequentially placed on the supporting part, the first motor is started to drive the turntable to rotate; when one of the samples rotates to the position right below the detection part, the first motor stops rotating, the detection part detects the sample, and after the detection is completed, the first motor is restarted. Through the mode, the device can detect a plurality of injection molding samples at one time, saves the flow of continuously opening and closing the machine, improves the detection efficiency, and prolongs the service life of the machine.
Description
Technical Field
The invention relates to the field of injection molding, in particular to a compression-resistant detection device for a polymer injection molding.
Background
Injection molded parts refer to various injection molded products produced by injection molding machines, collectively referred to as injection molded parts, including various packages, parts, and the like. Mainly made of polyethylene or polypropylene and various organic solvents, the choice of plastic piece is mainly determined by the type of plastic (thermoplastic or thermosetting), the initial form and the shape and size of the product. Injection molding is generally carried out by compression molding, transfer molding, and injection molding. Lamination, compression molding and thermoforming are the process of molding plastic onto a flat surface. The method can be used for rubber processing. In addition, there are casting or the like using a liquid monomer or polymer as a raw material. After the injection molding is produced, a certain amount of samples are required to be selected for compression resistance detection so as to judge whether the compression resistance is qualified or not.
The applicant found that: when the compression-resistant detection device detects the injection molding, the machine needs to be closed after one sample is detected, then the sample is taken down, another sample is replaced for detection, and the machine is started again.
Disclosure of Invention
Therefore, the invention aims to provide a compression-resistant detection device for a polymer injection molding piece, which solves the technical problems that in the prior art, when the compression-resistant detection device detects the injection molding piece, after one sample is detected, the machine is required to be closed, then the sample is taken down, another sample is replaced for detection, and then the machine is started.
Based on the above object, the present invention provides a compression-resistant detection device for a polymer injection molding piece, comprising:
the first motor is fixed in the base;
the center of the bottom end surface of the turntable positioned above the base is fixedly connected with the output shaft of the first motor;
the supporting parts are fixed on the upper end face of the turntable, and the distances from each supporting part to the center of the upper end face of the turntable are equal;
a detecting part positioned at one side of the turntable and fixed on the base;
during detection, after a plurality of samples are sequentially placed on the supporting part, the first motor is started to drive the turntable to rotate; when one of the samples rotates to the position right below the detection part, the first motor stops rotating, the detection part detects the sample, and after the detection is completed, the first motor is restarted.
Further, the supporting parts are arranged in an annular array on the periphery of the center of the upper end face of the turntable.
Further, the support part comprises
The support blocks are oppositely arranged and are arranged on the upper end face of the turntable;
and a bump fixed on the upper end surface of the support block, wherein a placement area is formed between the two bumps, and the sample is supported in the placement area through the support block during detection.
Further, the rotary table further comprises a supporting rod, a sliding block, a first spring and a driving assembly, wherein the sliding block is fixed at the bottom end of a supporting block, which is close to the center of the rotary table, of the supporting part, and the supporting rod is fixed at the end face, facing the center of the rotary table, of the supporting block; the sliding block is a T-shaped sliding block and is in sliding connection with a sliding groove arranged on the upper end face of the turntable; the first spring is positioned in the chute, one end of the first spring is fixed on the sliding block, and the other end of the first spring is fixed on the side wall of the chute; the driving component is positioned above the center of the turntable and is in power connection with the supporting rod for adjusting the size of the placement area.
Further, the detecting section includes
The upper end of the second fixing piece is extended to the upper part of the turntable;
the second cylinder is arranged at the upper end part of the second fixing piece, and the pressing plate is fixed on the output shaft of the second cylinder, a pressure sensor is arranged in the pressing plate, and the pressure sensor is electrically connected with the computer;
when one of the supporting parts drives the sample to move to the position right below the pressing plate, the second air cylinder is started, so that the pressing plate gradually generates pressure on the sample, and the pressure sensor transmits the detected pressure to the computer for display.
Further, the detection part further comprises a second motor, a sliding plate and a threaded rod, the upper end part of the second fixing piece is provided with a through groove penetrating through the upper end surface and the lower end surface of the second fixing piece, and the front side wall and the rear side wall of the through groove are provided with side grooves; the two ends of the sliding plate are in sliding connection with the side grooves; the second cylinder penetrates through the penetrating groove and is fixed on the sliding plate; the second motor is fixed at the upper end part of the second fixing piece, and an output shaft of the second motor is fixedly connected with the threaded rod through a coupler; the end face of the sliding plate, which faces the second motor, is provided with a threaded hole, and the threaded rod is in threaded connection with the threaded hole.
Further, the driving assembly comprises
The upper end of the first fixing piece extends to the upper part of the turntable;
the first cylinder is fixed at the upper end part of the first fixing piece, and the ball body is fixed on the output shaft of the first cylinder and is opposite to the center of the turntable;
when the first spring is in a natural state, the ball body is positioned above the supporting rod; when the ball moves downwards and contacts with the supporting rod, the supporting block connected with the supporting rod is pushed to move towards the other supporting block against the elastic force of the first spring.
Further, the device further comprises a stress block positioned between the upper end face of the base and the lower end face of the turntable, wherein the stress block is fixed on the upper end face of the base and positioned below the detection part, and the height of the stress block is equal to the distance between the upper end face of the base and the lower end face of the turntable.
The invention has the beneficial effects that: when the compression-resistant detection device for the polymer injection molding part is adopted, a plurality of samples are sequentially placed on the supporting part during detection, and then the first motor is started to drive the turntable to rotate; when one of them sample rotates to under the detection portion, first motor pauses to rotate, and detection portion detects this sample to after the detection is accomplished, first motor restarts, through above-mentioned mode, this device can once only detect a plurality of injection molding samples, has saved the flow of constantly opening and closing the machine, has not only improved detection efficiency, has prolonged the life of machine moreover.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a specific implementation of an embodiment of the present invention;
FIG. 2 is a schematic view of a ball moving downward in an embodiment of the invention;
FIG. 3 is a top view of a second fixture in an embodiment of the present invention;
fig. 4 is a top view of a turntable in a specific implementation of an embodiment of the invention.
The device comprises a 1-base, a 2-first motor, a 3-turntable, a 4-supporting block, a 5-supporting rod, a 6-lug, a 7-sliding block, an 8-sliding groove, a 9-first spring, a 10-first fixing piece, an 11-first cylinder, a 12-ball, a 13-stress block, a 14-second fixing piece, a 15-second motor, a 16-second cylinder, a 17-penetrating groove, a 18-side groove, a 19-sliding plate, a 20-threaded rod, a 21-threaded hole and a 22-pressing plate.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present disclosure pertains. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In view of the above object, according to a first aspect of the present invention, there is provided an embodiment of a compression-resistant detection device for a polymer injection molding, as shown in fig. 1, comprising:
a base 1 and a first motor 2 fixed inside the base 1;
the center of the bottom end surface of the turntable 3 positioned above the base 1 is fixedly connected with the output shaft of the first motor 2;
the supporting parts are fixed on the upper end face of the turntable 3, and the distances from each supporting part to the center of the upper end face of the turntable 3 are equal;
a detection part positioned at one side of the turntable 3 and fixed on the base 1;
in this embodiment, during detection, after a plurality of samples are sequentially placed on the supporting portion, the first motor 2 is started to drive the turntable 3 to rotate; when one of them sample rotates to under the detection portion, first motor 2 pauses to rotate, and detection portion detects this sample to after the detection is accomplished, first motor 2 restarts, through above-mentioned mode, this device can once only detect a plurality of injection molding samples, has saved the flow of constantly opening and closing the machine, has not only improved detection efficiency, has prolonged the life of machine moreover.
As an implementation mode, as shown in figure 4, a plurality of supporting parts are distributed in an annular array on the periphery of the center of the upper end face of the turntable 3, and the angles from the last sample to the next sample are the same, so that the turntable 3 is more convenient and simpler to control to rotate.
As an embodiment, as shown in fig. 1, the support part includes
The supporting blocks 4 are oppositely arranged and are arranged on the upper end face of the turntable 3;
and the two convex blocks 6 are fixed on the upper end surfaces of the supporting blocks 4, and a placement area is formed between the two convex blocks 6.
In the present embodiment, at the time of detection, the sample is supported in the placement area by the support block 4, and the center of one of the samples is directly opposite to the detection portion when the sample is rotated below the detection portion.
As an embodiment, as shown in fig. 1 and 2, the device further comprises a supporting rod 5, a sliding block 7, a first spring 9 and a driving component, wherein the sliding block 7 is fixed at the bottom end of a supporting block 4, which is near the center of the turntable 3, of the supporting part, and the supporting rod 5 is fixed at the end surface, which faces the center of the turntable 3, of the supporting block 4; the sliding block 7 is a T-shaped sliding block and is in sliding connection with a sliding groove 8 arranged on the upper end surface of the turntable 3; the first spring 9 is positioned in the chute 8, one end of the first spring is fixed on the sliding block 7, and the other end of the first spring is fixed on the side wall of the chute 8; the driving component is positioned above the center of the turntable 3 and is in power connection with the supporting rod 5 for adjusting the size of the placement area.
Considering that the specifications of an injection molding piece may be different, in this embodiment, when the first spring 9 is in a natural state, the distance between the bosses 6 is the largest, when the length of the sample is smaller than the distance between the bosses 6, after the sample is placed in the placement area, the driving assembly is started to enable the two supporting blocks 4 to be close to each other, when the distance between the bosses 6 is equal to the length of the sample, the driving assembly stops driving, so that the boss 6 plays a limiting role on the sample, and when the detection part detects the sample, the sample is prevented from being separated from the supporting part under the action of external force (such as machine vibration).
As an embodiment, as shown in fig. 1 and 3, the detecting section includes
A second fixing member 14 having one end fixed to the base 1 and an upper end extending above the turntable 3;
the second cylinder 16 is mounted at the upper end part of the second fixing piece 14, and the pressing plate 22 is fixed on the output shaft of the second cylinder 16, a pressure sensor is arranged in the pressing plate 22, and the pressure sensor is electrically connected with the computer;
in this embodiment, when one of the supporting parts drives the sample to move directly under the pressing plate 22, the second air cylinder 16 is started, so that the pressing plate 22 gradually generates pressure on the sample, the pressure sensor transmits the detected pressure to the computer for displaying, so that people can observe the pressure value born by the sample conveniently, when the pressure value suddenly becomes smaller, the sample is damaged, and at the moment, the second air cylinder 16 is restored to the original position until the next sample moves directly under the pressing plate 22, and the second air cylinder 16 is restarted.
As an embodiment, as shown in fig. 1 and 3, the detecting portion further includes a second motor 15, a sliding plate 19, and a threaded rod 20, the upper end portion of the second fixing member 14 is provided with a through slot 17 penetrating the upper and lower end surfaces thereof, and front and rear side walls of the through slot 17 are provided with side slots 18; the two ends of the sliding plate 19 are in sliding connection with the side grooves 18; the second cylinder 16 passes through the through slot 17 and is fixed to the slide plate 19; the second motor 15 is fixed at the upper end of the second fixing piece 14, and the output shaft of the second motor is fixedly connected with the threaded rod 20 through a coupler; the end surface of the sliding plate 19 facing the second motor 15 is provided with a threaded hole 21, and the threaded rod 20 is in threaded connection with the threaded hole 21.
In this embodiment, when the sample with smaller length is placed in the placement area and driven by the driving assembly, the center position of the sample will be closer to the outer side surface of the turntable 3 when the boss 6 plays a limiting role on the sample, at this time, the second motor 15 needs to be started, and the threaded rod 23 drives the second cylinder 16 to move one end distance towards the direction of the second motor 15, so that when one of the samples rotates below the pressing block 22, the pressing block 22 is opposite to the center position of the sample.
As an embodiment, as shown in fig. 1 and 2, the driving assembly includes
A first fixing member 10 having one end fixed to the upper end surface of the base 1 and an upper end extending above the turntable 3;
a first cylinder 11 fixed at the upper end part of the first fixing piece 10 and a sphere 12 fixed at the output shaft of the first cylinder 11, wherein the sphere 12 is opposite to the center of the turntable 3;
in the present embodiment, when the first spring 9 is in the natural state, the ball 12 is located above the holding rod 5; when the ball 12 moves downward and contacts the holding rod 5, the support block 4 connected with the holding rod 5 is pushed to move toward the other support block 4 against the elastic force of the first spring 9.
As an implementation manner, as shown in fig. 1 and 2, the device further comprises a force-bearing block 13 located between the upper end surface of the base 1 and the lower end surface of the turntable 3, wherein the force-bearing block 13 is fixed on the upper end surface of the base 1 and located below the detection part, and the height of the force-bearing block 13 is equal to the distance between the upper end surface of the base 1 and the lower end surface of the turntable 3. Thus, when the detecting part detects the sample, the turntable 3 can be prevented from tilting gradually due to the pressure of the detecting part.
In this embodiment, during the process of placing the stirring cup 4 into the extracting cup 2, the center of the driving block 12 will be opposite to the center of the driving hole 24, if the rectangular angle of the driving block 12 is not opposite to the rectangular angle of the driving hole 24, then the driving block 12 will generate pressure on the connecting block 23, so that the connecting block 23 compresses the spring 27 to move upwards, when the motor 11 is started, during the process of rotating the driving block 12, when the rectangular angle of the driving block 12 is opposite to the rectangular angle of the driving hole 24, the connecting block 23 will be moved downwards under the elastic force of the spring 27, so that the driving block 12 coincides with the driving hole 24, and when the driving block 12 rotates, the rotating shaft 18 will be driven to rotate.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (6)
1. Resistance to compression detection device of polymer injection molding, its characterized in that includes:
a base (1) and a first motor (2) fixed inside the base (1);
a turntable (3) positioned above the base (1), and the center of the bottom end surface of the turntable is fixedly connected with the output shaft of the first motor (2);
the supporting parts are fixed on the upper end face of the turntable (3), and the distances from each supporting part to the center of the upper end face of the turntable (3) are equal;
a detection part positioned at one side of the turntable (3) and fixed on the base (1);
during detection, after a plurality of samples are sequentially placed on the supporting part, the first motor (2) is started to drive the turntable (3) to rotate; when one of the samples rotates to the position right below the detection part, the first motor (2) pauses to rotate, the detection part detects the sample, and after the detection is finished, the first motor (2) is restarted;
the rotary table further comprises a supporting rod (5), a sliding block (7), a first spring (9) and a driving assembly, wherein the sliding block (7) is fixed at the bottom end of a supporting block (4) of the supporting part, which is close to the center of the rotary table (3), and the supporting rod (5) is fixed at the end face of the supporting block (4), which faces the center of the rotary table (3); the sliding block (7) is a T-shaped sliding block and is in sliding connection with a sliding groove (8) arranged on the upper end face of the turntable (3); the first spring (9) is positioned in the chute (8), one end of the first spring is fixed on the sliding block (7), and the other end of the first spring is fixed on the side wall of the chute (8); the driving component is positioned above the center of the turntable (3) and is in power connection with the supporting rod (5) for adjusting the size of the placement area;
the detecting part comprises
A second fixing piece (14) with one end fixed on the base (1) and the upper end part extending to the upper part of the turntable (3);
the second cylinder (16) is arranged at the upper end part of the second fixing piece (14) and the pressing plate (22) is fixed on the output shaft of the second cylinder (16), a pressure sensor is arranged in the pressing plate (22), and the pressure sensor is electrically connected with the computer;
when one of the supporting parts drives the sample to move to the position right below the pressing plate (22), the second air cylinder (16) is started, so that the pressing plate (22) gradually generates pressure on the sample, and the pressure sensor transmits the detected pressure to the computer for displaying.
2. The compression-resistant detection device for the high-polymer injection molding part according to claim 1, wherein a plurality of supporting parts are distributed in an annular array on the periphery of the center of the upper end face of the turntable (3).
3. The compression-resistant detection device for a polymer injection molding according to claim 1, wherein the supporting portion comprises
The support blocks (4) are oppositely arranged and are arranged on the upper end face of the turntable (3);
and the convex blocks (6) are fixed on the upper end surfaces of the supporting blocks (4), a placement area is formed between the two convex blocks (6), and during detection, a sample is supported in the placement area through the supporting blocks (4).
4. The compression-resistant detection device for the polymer injection molding part according to claim 1, wherein the detection part further comprises a second motor (15), a sliding plate (19) and a threaded rod (20), the upper end part of the second fixing part (14) is provided with a through groove (17) penetrating through the upper end surface and the lower end surface of the second fixing part, and the front side wall and the rear side wall of the through groove (17) are provided with side grooves (18); two ends of the sliding plate (19) are in sliding connection with the side grooves (18); the second cylinder (16) passes through the through groove (17) and is fixed on the sliding plate (19); the second motor (15) is fixed at the upper end part of the second fixing piece (14), and an output shaft of the second motor is fixedly connected with the threaded rod (20) through a coupler; the end face of the sliding plate (19) facing the second motor (15) is provided with a threaded hole (21), and the threaded rod (20) is in threaded connection with the threaded hole (21).
5. The compression detection apparatus for a polymer injection molding article according to claim 1, wherein the driving assembly comprises
A first fixing piece (10) with one end fixed on the upper end surface of the base (1) and the upper end part extending to the upper part of the turntable (3);
the rotary table comprises a first air cylinder (11) fixed at the upper end part of a first fixing piece (10) and a sphere (12) fixed on an output shaft of the first air cylinder (11), wherein the sphere (12) is opposite to the center of the rotary table (3);
when the first spring (9) is in a natural state, the sphere (12) is positioned above the supporting rod (5); when the ball body (12) moves downwards and contacts with the supporting rod (5), the supporting block (4) connected with the supporting rod (5) is pushed to move towards the other supporting block (4) against the elastic force of the first spring (9).
6. The compression-resistant detection device of the high polymer injection molding according to claim 1, further comprising a stress block (13) located between the upper end face of the base (1) and the lower end face of the turntable (3), wherein the stress block (13) is fixed on the upper end face of the base (1) and located below the detection part, and the height of the stress block (13) is equal to the distance between the upper end face of the base (1) and the lower end face of the turntable (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010323330.XA CN111426569B (en) | 2020-04-22 | 2020-04-22 | Compression-resistant detection device for high-polymer injection molding part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010323330.XA CN111426569B (en) | 2020-04-22 | 2020-04-22 | Compression-resistant detection device for high-polymer injection molding part |
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| CN111426569A CN111426569A (en) | 2020-07-17 |
| CN111426569B true CN111426569B (en) | 2023-04-21 |
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