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CN-122016510-A - Intensity detection device and method for floor production and processing

CN122016510ACN 122016510 ACN122016510 ACN 122016510ACN-122016510-A

Abstract

The invention discloses an intensity detection device and method for floor production and processing, and relates to the technical field of sampling detection. The support comprises a base, base upper surface is connected with two sets of support frames, two sets of support frame both ends fixedly connected with electric putter, electric putter output is connected with the locating plate, the base upper surface is located two sets of support frames both sides and is connected with the support, and the cylinder is installed on the support top, the cylinder output is connected with the movable plate. According to the invention, the buffer spring in the buffer assembly is used for buffering the lower seat, so that kinetic energy of falling of the lower seat is converted into self elastic potential energy, effective attenuation of impact load is realized, rigid impact between the upper seat and the lower seat is avoided, reverse impact load is further prevented from being transmitted to the load sensor, effective protection of the load sensor is realized, the damage problem of the load sensor due to instant impact is reduced, and the service life and detection accuracy stability of the load sensor are prolonged.

Inventors

  • XIANG LISHENG
  • YANG YIQI

Assignees

  • 广东立品地板科技有限公司

Dates

Publication Date
20260512
Application Date
20260305

Claims (8)

  1. 1. A strength detection device for floor production and processing comprises a base (1), and is characterized in that the upper surface of the base (1) is connected with two groups of support frames (11), two groups of support frames (11) are fixedly connected with electric push rods (12), the output ends of the electric push rods (12) are connected with positioning plates (121), the upper surface of the base (1) is located on two sides of the two groups of support frames (11) and is connected with supports, air cylinders (2) are installed at the top ends of the supports, the output ends of the air cylinders (2) are connected with movable plates (21), the lower surface of the movable plates (21) is fixedly connected with a detection assembly for detecting floors, the detection assembly comprises a pressure head (45) for applying pressure to the floors, the detection assembly comprises a lower seat (41) and an upper seat (43), the top ends of the upper seat (43) are provided with load sensors (3), and the lower seat (41) and the upper seat (43) are provided with buffer assemblies for protecting the load sensors (3).
  2. 2. The strength detection device for floor production and processing according to claim 1, wherein the top end of the upper seat (43) is fixedly connected with the movable plate (21) through a connecting rod, deep holes (431) which are symmetrical to each other are formed in the lower surface of the upper seat (43), clamping pieces (56) are embedded in the inner wall of the deep holes (431), and compression springs (57) are assembled in the inner parts of the deep holes (431) at the top ends of the clamping pieces (56).
  3. 3. The strength detecting device for floor production and processing according to claim 1, wherein a clamping groove (412) is formed in the position, corresponding to the clamping piece (56), of the upper surface of the lower seat (41), a top block (54) is connected to the inner wall of the clamping groove (412) in a sliding mode, a reset spring (55) connected with the lower seat (41) is fixedly connected to the bottom end of the top block (54), and the clamping piece (56) is matched with the clamping groove (412).
  4. 4. The strength detecting device for floor production and processing according to claim 1, wherein a plurality of groups of guide rods (42) are symmetrically and fixedly connected to the upper surface of the lower seat (41), the upper seat (43) is slidably connected to the outer walls of the guide rods (42), a plurality of groups of buffer springs (51) are sleeved on the outer walls of the guide rods (42), and the top ends of the buffer springs (51) are fixedly connected with the bottom ends of the upper seat (43).
  5. 5. The strength detecting device for floor manufacturing and processing according to claim 4, wherein a plurality of groups of rotating blocks (52) are arranged on the upper surface of the lower seat (41), a containing groove (521) is formed in the top end of each rotating block (52), and the bottom end of each buffer spring (51) extends to the inner wall of the corresponding containing groove (521).
  6. 6. The strength detecting device for floor production and processing according to claim 5, wherein the bottom end of the lower seat (41) is provided with a guide groove (411), the inner wall of the guide groove (411) is slidably connected with a mounting plate (44), and the lower surface of the mounting plate (44) is provided with a pressure head (45).
  7. 7. The strength detecting device for floor production and processing according to claim 6, wherein a rack (58) is fixedly connected to the top end of the mounting plate (44), a cavity is formed between the bottom ends of the lower seats (41) and the guide grooves (411), a gear (53) is fixedly sleeved on the outer wall of the rotating block (52), and the rack (58) is meshed with the gear (53).
  8. 8. A strength detecting method for floor manufacturing process, suitable for the strength detecting device for floor manufacturing process according to any one of claims 1 to 7, comprising the steps of: S1, floor positioning, namely placing a floor to be tested on a support frame (11), applying lateral positioning force to two ends of the floor by using an electric push rod (12) to cooperate with a positioning plate (121), and adjusting the position of the floor to align the central line of a pressure head (45) with the central line of the floor so as to ensure that the floor is positioned in the middle of the support frame (11); s2, floor detection, wherein an air cylinder (2) drives an upper seat (43) and a lower seat (41) to synchronously move downwards, a pressure head (45) continuously descends after contacting with a floor, an upper seat (43) clamping piece (56) is clamped with a lower seat (41) clamping groove (412), a return spring (55) is compressed, the upper seat (43) and the lower seat (41) are rigidly connected to stably transfer load, and four-point bending detection method is adopted to finish floor bending strength detection; s3, impact buffering and protection, namely, the lower seat (41) generates instantaneous downward displacement when the floor breaks, the clamping piece (56) is separated from the clamping groove (412), the buffer spring (51) on the outer wall of the guide rod (42) absorbs impact energy, the falling kinetic energy is converted into elastic potential energy, impact load is attenuated, rigid impact is avoided, and protection of the load sensor (3) is realized; S4, mode switching, namely resetting a pressure head (45) after four-point bending detection is completed, driving a mounting plate (44) to translate under the drive of a pull rod through the mutual matching of a guide block and a guide groove, switching to a single-group pressure head (45) and positioning, detecting the floor with the same specification by adopting a three-point bending detection method, and comparing and improving the detection comprehensiveness and accuracy through two detection results to complete the floor strength detection operation; and S5, self-adaptive adjustment, namely when the three-point bending detection is switched, the buffer spring (51) is unscrewed by utilizing the transmission fit of the rack (58), the gear (53) and the rotating block (52) so as to increase the effective elastic number of turns of the buffer spring, the buffer energy absorption effect is improved, and the adaptive protection of the load sensor (3) in two detection modes is realized.

Description

Intensity detection device and method for floor production and processing Technical Field The invention relates to the technical field of sampling detection, in particular to an intensity detection device and method for floor production and processing. Background The intelligent load sensor is a force-electricity conversion device for converting force (tension, pressure, torque and the like) into measurable electric signals, belongs to the core type of force sensors, converts mechanical quantity into electric quantity through deformation of elastic elements and cooperates with sensing elements to realize accurate measurement of force or weight, is accurate measurement equipment based on elastic deformation and resistance strain effect (or other physical effects), can convert force signals acting on the accurate measurement equipment into electric signals proportional to force and output the electric signals, and is widely applied to the fields of industrial weighing, force value detection and process control. The floor strength detection is characterized by testing the bearing, deformation resistance and damage resistance of the floor/terrace under static load, concentrated load, bending and impact, and comprises laboratory type detection and engineering field acceptance detection, wherein the detection aims at verifying whether the floor meets the design bearing and use safety requirements, judging whether the floor is cracked, collapsed and excessively deformed, and providing data for engineering acceptance, quality arbitration and product authentication. In the prior art, when the floor is detected, a three-point bending method and a four-point bending method are generally used, when the intensity detection operation is carried out on the floor board, a vertical load is usually applied to the board to be detected by a loading pressure head of a detection device, the determination of key mechanical indexes such as bending strength and the like of the board is realized through the stress monitoring in the load application process, in the actual detection process, as the pressure head continuously applies the vertical load, the floor to be detected can reach the stress limit to generate fracture damage, the floor can generate instant impact load in the fracture process, the impact load is easily directly transmitted to a load sensing component along a stress conducting structure of the detection device, the load sensing component bears the instant impact effect for a long time, the structural failure of the load sensor is possibly caused, and the like, so that the accuracy and reliability of detection data are greatly reduced, the whole service life of detection equipment is shortened, and the continuity of the detection operation and the whole detection efficiency are adversely affected to a certain extent. Disclosure of Invention Accordingly, an object of the present invention is to provide a strength detecting device and method for floor manufacturing and processing, so as to solve the above-mentioned technical problems in the related art. The strength detection device for the floor production and processing comprises a base, wherein the upper surface of the base is connected with two groups of support frames, two groups of support frames are fixedly connected with electric push rods at two ends of the support frames, the output ends of the electric push rods are connected with positioning plates, the upper surface of the base is connected with supports at two sides of the two groups of support frames, the top ends of the supports are provided with air cylinders, the output ends of the air cylinders are connected with moving plates, the lower surface of the moving plates is fixedly connected with a detection assembly for detecting the floor, the detection assembly comprises a pressure head for applying pressure to the floor, the detection assembly comprises a lower seat and an upper seat, the top ends of the upper seats are provided with load sensors, and buffer assemblies for protecting the load sensors are arranged on the lower seat and the upper seat. Preferably, the top end of the upper seat is fixedly connected with the movable plate through a connecting rod, deep holes which are symmetrical to each other are formed in the lower surface of the upper seat, clamping pieces are embedded in the inner walls of the deep holes, and compression springs are assembled in the top ends of the clamping pieces located in the deep holes. Preferably, the clamping groove is formed in the position, corresponding to the clamping piece, of the upper surface of the lower seat, the inner wall of the clamping groove is slidably connected with a top block, the bottom end of the top block is fixedly connected with a reset spring connected with the lower seat, and the clamping piece is matched with the clamping groove. Preferably, the upper surface of the lower seat is symmetrically and fixedly connected with a plurality of