Stretching device of PET self-curling elastic filament elasticity tester

Abstract

The utility model relates to the technical field of elasticity testing, in particular to a stretching device of a PET (polyethylene terephthalate) self-curling elastic filament elasticity tester, which comprises a base, a fixing frame, a clamping mechanism, a graduated scale, two sliding rails, a sliding frame, a clamping plate, two buffer springs and a weight frame. The clamping mechanism is detachably connected with the fixing frame, the graduated scale is detachably connected with the fixing frame, the two sliding rails are fixedly connected with the fixing frame, the two ends of the sliding frame are detachably connected with the two sliding rails respectively, and the clamping plate is detachably connected with the sliding frame. One end of each buffer spring is detachably connected with the sliding frame, the other end of each buffer spring is detachably connected with the corresponding sliding rail, the weight frame is detachably connected with the sliding frame, and through the structural arrangement, the problems that an arranged connecting rope is prone to breakage, an elastic filament cannot be tested, and the efficiency is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elasticity testing, in particular to a stretching device of an elasticity measuring instrument for PET self-curling elastic filaments. Background Art

[0002] At present, the stretching device of the traditional elasticity measuring instrument often fails to fix the elastic filament well, delaying the testing process, and is unable to limit the position of the elastic filament, so that it cannot ensure that the elastic filament fits the scale for accurate measurement, and cannot fix the weights well, resulting in a reduction in testing efficiency.

[0003] To solve the above problems, the prior art patent (CN212621969U) discloses a stretching device of an elasticity measuring instrument for PET self-curling elastic filaments, including a base. One end of the top of the base is fixedly connected with a mounting plate, and the center of the top of the base is fixedly connected with a V-shaped scale. One side of the mounting plate is fixedly installed with an electric telescopic rod. One end of the electric telescopic rod is fixedly connected with one end of a fixed rod, and the other end of the fixed rod is in contact connection with the bottom inside the V-shaped scale. An elastic filament is clamped and connected at the connection part of the fixed rod and the V-shaped scale. The electric telescopic rod is electrically connected with a power supply through a power switch. The clamping mechanism includes two clamping blocks, a connecting rope, a connecting seat, a square magnet and a weight rack. Both sides of the two clamping blocks are fixedly connected by bolts. The bottom of the two clamping blocks is clamped and connected with one end of the connecting rope. The other end of the connecting rope is fixedly connected with the top of the connecting seat. The bottom of the connecting seat is magnetically connected with the top of the square magnet. The bottom of the square magnet is magnetically connected with the top of the weight rack. The stretching device of the elasticity measuring instrument for PET self-curling elastic filaments of the utility model can quickly install and disassemble the elastic filament through the electric telescopic rod, thereby improving the testing efficiency. Through the sliding groove, the position of the elastic filament can be limited to ensure that the elastic filament fits the scale for accurate measurement. Through the clamping mechanism, the weights can be quickly replaced to accelerate the testing efficiency.

[0004] However, in the above prior art, the setting of the connecting rope is prone to breakage, resulting in the inability to test the elastic filament and affecting the efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a stretching device of an elasticity measuring instrument for PET self-curling elastic filaments, which solves the technical problem that in the prior art, the setting of the connecting rope is prone to breakage, resulting in the inability to test the elastic filament and affecting the efficiency.

[0006] To achieve the above object, a stretching device of a PET self-curling elastic filament elasticity measuring instrument adopted by the present utility model includes a base, a fixing frame, a clamping mechanism, a scale, two slide rails, a carriage, a clamping plate, two buffer springs and a weight rack. The fixing frame is detachably connected to the base and is located at the upper end of the base. The clamping mechanism is detachably connected to the fixing frame and is located at the upper end of the fixing frame. The scale is detachably connected to the fixing frame and is located at one end of the fixing frame. The two slide rails are fixedly connected to the fixing frame and are symmetrically arranged at the front end of the fixing frame. The two ends of the carriage are respectively detachably connected to the two slide rails and are respectively located inside the two slide rails. The clamping plate is detachably connected to the carriage and is located at the front end of the carriage. One end of each of the two buffer springs is detachably connected to the carriage and is symmetrically arranged at the lower end of the carriage. The other end of each buffer spring is detachably connected to the corresponding slide rail and is located at the lower end of the corresponding slide rail. The weight rack is detachably connected to the carriage and is located at one end of the carriage.

[0007] Among them, the clamping mechanism includes a U-shaped block, a convex block, two cylinders, a support plate and a concave block. The convex block is detachably connected to the U-shaped block and is located inside the U-shaped block. The two cylinders are detachably connected to the U-shaped block and are symmetrically arranged at one end of the U-shaped block. The two ends of the support plate are respectively fixedly connected to the output ends of the two cylinders. The concave block is detachably connected to the support plate and is located at the lower end of the support plate.

[0008] Among them, the carriage includes two sliders, a frame body and a placement groove. The two sliders are detachably connected to the frame body and are symmetrically arranged at one end of the frame body. The placement groove is fixedly connected to the frame body and is located inside the frame body.

[0009] Among them, the clamping plate includes two bolts, a plate body and a contact plate. The plate body is detachably connected to the frame body and is located at one end of the frame body. One end of each of the two bolts is detachably connected to the plate body and is symmetrically arranged at one end of the plate body and penetrates through the plate body. The other end of each bolt is detachably connected to the frame body and is located inside the frame body and penetrates through the frame body. One end of the contact plate is detachably connected to the plate body and is located at one end of the plate body. The other end of the contact plate is detachably connected to the placement groove and is located inside the placement groove.

[0010] Among them, the stretching device of the PET self-curling elastic filament elasticity measuring instrument further includes a plurality of struts and a plurality of universal wheels. The plurality of struts are fixedly connected to the base and are uniformly arranged at the lower end of the base. Each universal wheel is detachably connected to the corresponding strut and is located at the lower end of the corresponding strut.

[0011] Wherein, each of the universal wheels includes a wheel body and a latch. The latch is detachably connected to the wheel body and is located at one end of the wheel body.

[0012] A stretching device of an elastic determination instrument for PET self-curling elastic filaments according to the present utility model. The two slide rails are fixedly connected to the fixing frame and are symmetrically arranged at the front end of the fixing frame. The two ends of the carriage are respectively detachably connected to the two slide rails and are respectively located inside the two slide rails. The clamping plate is detachably connected to the carriage and is located at the front end of the carriage. One ends of the two buffer springs are detachably connected to the carriage and are symmetrically arranged at the lower end of the carriage. The other end of each buffer spring is detachably connected to the corresponding slide rail and is located at the lower end of the corresponding slide rail. The weight rack is detachably connected to the carriage and is located at one end of the carriage. One end of the elastic filament is fixed by the clamping mechanism, and the other end is placed on the carriage and fixed by the clamping plate. Then weights are placed in the weight rack. Due to the weight of the placed weights, the carriage moves downward in the two slide rails, and the buffer springs play a buffering role. In this way, the problem that the connecting rope is easily broken, resulting in the inability to test the elastic filament and affecting the efficiency, can be effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a schematic structural diagram of the first embodiment of the present utility model.

[0015] Figure 2 It is a front view of the first embodiment of the present utility model.

[0016] Figure 3 It is a schematic structural diagram of the clamping mechanism of the present utility model.

[0017] Figure 4 It is a schematic structural diagram of the second embodiment of the present utility model.

[0018] 101 - Base, 102 - Fixed frame, 103 - Scale, 104 - Slide rail, 105 - Buffer spring, 106 - Weight rack, 107 - U - shaped block, 108 - Convex block, 109 - Cylinder, 110 - Support plate, 111 - Concave block, 112 - Slide block, 113 - Frame body, 114 - Placing groove, 115 - Bolt, 116 - Plate body, 117 - Contact plate, 201 - Support column, 202 - Wheel body, 203 - Lock. Specific embodiments

[0019] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] The first embodiment of this application is as follows:

[0021] Please refer to Figures 1 to 3 , wherein Figure 1 is the structural schematic diagram of the first embodiment of the present invention, Figure 2 is the front view of the first embodiment of the present invention, Figure 3 is the structural schematic diagram of the clamping mechanism of the present invention.

[0022] The present invention provides a stretching device for a PET self - curling elastic filament elasticity measuring instrument, including a base 101, a fixed frame 102, a scale 103, a slide rail 104, a buffer spring 105, a weight rack 106, a U - shaped block 107, a convex block 108, a cylinder 109, a support plate 110, a concave block 111, a slide block 112, a frame body 113, a placing groove 114, a bolt 115, a plate body 116 and a contact plate 117. The above - mentioned solution solves the problem that the connecting rope is prone to breakage, resulting in the inability to test the elastic filament and affecting the efficiency.

[0023] For this specific embodiment, the fixing frame 102 is detachably connected to the base 101 and is located at the upper end of the base 101. The clamping mechanism is detachably connected to the fixing frame 102 and is located at the upper end of the fixing frame 102. The scale 103 is detachably connected to the fixing frame 102 and is located at one end of the fixing frame 102. The two slide rails 104 are fixedly connected to the fixing frame 102 and are symmetrically arranged at the front end of the fixing frame 102. The two ends of the carriage are respectively detachably connected to the two slide rails 104 and are respectively located inside the two slide rails 104. The clamping plate is detachably connected to the carriage and is located at the front end of the carriage. One ends of the two buffer springs 105 are detachably connected to the carriage and are symmetrically arranged at the lower end of the carriage. The other end of each buffer spring 105 is detachably connected to the corresponding slide rail 104 and is located at the lower end of the corresponding slide rail 104. The weight rack 106 is detachably connected to the carriage and is located at one end of the carriage. Fix one end of the elastic filament through the clamping mechanism, place the other end on the carriage, fix it with the clamping plate, then place weights in the weight rack 106. Due to the weight of the placed weights, the carriage moves downward in the two slide rails 104, and the buffer springs 105 play a buffering role. The measurement result is displayed through the scale 103, so as to facilitate the test of the elastic filament and improve the efficiency.

[0024] Among them, the clamping mechanism includes a U-shaped block 107, a convex block 108, two cylinders 109, a support plate 110 and a concave block 111. The convex block 108 is detachably connected to the U-shaped block 107 and is located inside the U-shaped block 107. The two cylinders 109 are detachably connected to the U-shaped block 107 and are symmetrically arranged at one end of the U-shaped block 107. The two ends of the support plate 110 are respectively fixedly connected to the output ends of the two cylinders 109. The concave block 111 is detachably connected to the support plate 110 and is located at the lower end of the support plate 110. Place one end of the elastic filament on the convex block 108, drive the support plate 110 to move downward through the two cylinders 109, and the support plate 110 drives the concave block 111 to move downward, so that the concave block 111 is in contact with the convex block 108, thereby fixing one end of the elastic filament.

[0025] Secondly, the carriage includes two sliders 112, a frame body 113 and a placement groove 114. The two sliders 112 are detachably connected to the frame body 113 and are symmetrically arranged at one end of the frame body 113. The placement groove 114 is fixedly connected to the frame body 113 and is located inside the frame body 113. The slider 112 is used to drive the frame body 113 to move in the slide rail 104, and the placement groove 114 is used to hold the other end of the elastic filament.

[0026] Meanwhile, the clamping plate includes two bolts 115, a plate body 116 and a contact plate 117. The plate body 116 is detachably connected to the frame body 113 and is located at one end of the frame body 113. One end of each of the two bolts 115 is detachably connected to the plate body 116, symmetrically arranged at one end of the plate body 116, and penetrates through the plate body 116. The other end of each bolt 115 is detachably connected to the frame body 113, located inside the frame body 113, and penetrates through the frame body 113. One end of the contact plate 117 is detachably connected to the plate body 116 and is located at one end of the plate body 116. The other end of the contact plate 117 is detachably connected to the placement groove 114 and is located inside the placement groove 114. By twisting the two bolts 115, the two bolts 115 drive the contact plate 117 to move into the placement groove 114 through the plate body 116.

[0027] When using the stretching device of a PET self-curling elastic filament elasticity measuring instrument according to this embodiment, during specific use, one end of the elastic filament is placed on the convex block 108. The support plate 110 is driven to move downward by the two cylinders 109. The support plate 110 drives the concave block 111 to move downward, and the concave block 111 is fitted with the convex block 108, so as to fix one end of the elastic filament. The other end is placed in the placement groove 114. By twisting the two bolts 115, the two bolts 115 drive the contact plate 117 to move into the placement groove 114 through the plate body 116, so as to fix the other end of the elastic filament on the frame body 113. Then, weights are placed in the weight rack 106. Through the weight of the placed weights, the frame body 113 drives the two sliders 112 to move downward in the two slide rails 104. The buffer spring 105 plays a buffering role, and the measurement result is displayed through the scale 103, so as to facilitate the test of the elastic filament and improve the efficiency.

[0028] The second embodiment of the present application is as follows:

[0029] On the basis of the first embodiment, please refer to Figure 4 , Figure 4 which is a schematic structural diagram of the second embodiment of the present utility model.

[0030] The stretching device of a PET self-curling elastic filament elasticity measuring instrument provided by the present utility model further includes a plurality of struts 201 and a plurality of universal wheels.

[0031] For this specific embodiment, a plurality of the struts 201 are fixedly connected to the base 101 and are uniformly arranged at the lower end of the base 101. Each universal wheel is detachably connected to the corresponding strut 201 and is located at the lower end of the corresponding strut 201. The strut 201 mounts the universal wheel on the base 101. By opening a plurality of the universal wheels and pushing the base 101, the universal wheel drives the base 101 to move through the strut 201, so as to facilitate the movement of the stretching device of the PET self-curling elastic filament elasticity measuring instrument.

[0032] Wherein, each universal wheel includes a wheel body 202 and a lock 203. The lock 203 is detachably connected to the wheel body 202 and is located at one end of the wheel body 202. The lock 203 is used to control the wheel body 202.

[0033] When using the stretching device of a PET self-curling elastic filament elasticity measuring instrument according to this embodiment, during specific use, open the lock 203 and push the base 101. The wheel body 202 drives the base 101 to move through the strut 201, so as to facilitate the movement of the stretching device of the PET self-curling elastic filament elasticity measuring instrument.

[0034] The above-disclosed is only a preferred embodiment of the present invention. Of course, the scope of rights of the present invention cannot be limited thereby. Those of ordinary skill in the art can understand the entire or partial processes of implementing the above embodiment, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A stretching device for a PET self-curling elastic filament elasticity tester, comprising a base, a fixing frame, a clamping mechanism and a scale, wherein the fixing frame is detachably connected to the base and is located at the upper end of the base, the clamping mechanism is detachably connected to the fixing frame and is located at the upper end of the fixing frame, and the scale is detachably connected to the fixing frame and is located at one end of the fixing frame, characterized in that: It also includes two slide rails, a slide frame, a clamping plate, two buffer springs and a weight rack. The two slide rails are fixedly connected to the fixed frame and are symmetrically arranged at the front end of the fixed frame. The two ends of the slide frame are respectively detachably connected to the two slide rails and are respectively located inside the two slide rails. The clamping plate is detachably connected to the slide frame and is located at the front end of the slide frame. One end of the two buffer springs is detachably connected to the slide frame and is symmetrically arranged at the lower end of the slide frame. The other end of each buffer spring is detachably connected to the corresponding slide rail and is located at the lower end of the corresponding slide rail. The weight rack is detachably connected to the slide frame and is located at one end of the slide frame.

2. The stretching device of the PET self-curling elastic filament elasticity tester according to claim 1, characterized in that: The clamping mechanism includes a U-shaped block, a protrusion, two cylinders, a support plate and a concave block. The protrusion is detachably connected to the U-shaped block and is located inside the U-shaped block. The two cylinders are detachably connected to the U-shaped block and are symmetrically arranged at one end of the U-shaped block. The two ends of the support plate are respectively fixedly connected to the output ends of the two cylinders. The concave block is detachably connected to the support plate and is located at the lower end of the support plate.

3. The stretching device of the PET self-curling elastic filament elasticity tester according to claim 2, characterized in that: The slide frame includes two sliders, a frame body and a placement slot. The two sliders are detachably connected to the frame body and are symmetrically arranged at one end of the frame body. The placement slot is fixedly connected to the frame body and is located inside the frame body.

4. The stretching device of the PET self-curling elastic filament elasticity tester according to claim 3, characterized in that: The clamping plate includes two bolts, a plate body and a contact plate. The plate body is detachably connected to the frame body and is located at one end of the frame body. One end of the two bolts is detachably connected to the plate body and is symmetrically arranged at one end of the plate body and passes through the plate body. The other end of each bolt is detachably connected to the frame body and is located inside the frame body and passes through the frame. One end of the contact plate is detachably connected to the plate body and is located at one end of the plate body. The other end of the contact plate is detachably connected to the placement groove and is located inside the placement groove.

5. The stretching device of the PET self-curling elastic filament elasticity tester according to claim 4, characterized in that: The stretching device of the PET self-curling elastic filament elasticity tester also includes a plurality of pillars and a plurality of universal wheels. The plurality of pillars are fixedly connected to the base and are evenly arranged at the lower end of the base. Each universal wheel is detachably connected to the corresponding pillar and is located at the lower end of the corresponding pillar.

6. The stretching device of the PET self-curling elastic filament elasticity tester according to claim 5, characterized in that: Each of the universal wheels comprises a wheel body and a lock buckle, wherein the lock buckle is detachably connected to the wheel body and is located at one end of the wheel body.

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