CN219608616U - Tensile tester for injection molding products - Google Patents

Abstract

The utility model discloses an injection molding product tensile tester which is applied to the technical field of plastic product detection and comprises a test bench, wherein a supporting block is welded on the top surface of the test bench, a lifting cover is arranged on the side wall of the supporting block in a sliding manner, a plurality of groups of stretching mechanisms which are convenient for observing stretching distances are arranged on the side wall of the lifting cover, a fixing mechanism matched with the stretching mechanisms is welded on the top surface of the test bench, and when the injection molding product tensile tester is used, the bottoms of a plurality of groups of injection molding products are clamped and fixed through the fixing mechanism, the stretching mechanism clamps and fixes the tops of the plurality of groups of injection molding products, and then the stretching test is carried out, so that the stretching conditions of different injection molding products can be compared through the stretching test of the plurality of groups of injection molding products, and simultaneously the stretching distances of the injection molding products can be measured.

Description

Tensile tester for injection molding products

Technical Field

The utility model belongs to the technical field of plastic product detection, and particularly relates to an injection molding product tensile tester.

Background

Injection molding is a method for producing and modeling industrial products, rubber injection molding and plastic injection molding are generally used for products, the injection molding can be divided into an injection molding compression molding method and a die casting method, and tensile force test is needed after the production of injection molding products.

The current announcements are: CN 211504963U's chinese utility model patent discloses a tensile test fixture for injection products, comprising a base plate, the left portion welding of bottom plate up end is installed and is lived the complex cylinder, the complex cylinder up end is equipped with the lower plate, bottom plate up end mid-mounting has the supporting seat, supporting seat upper end welding is installed the support column, the pivot is installed to support column upper end welding, pivot outside welding installs the gag lever post, the carousel is installed to the outer end of gag lever post hammer joint, the lower terminal surface welding of carousel installs the branch ram, the lower terminal surface welding of branch ram installs the stopper, the clamp is installed in the stopper and is installed the punch holder, and this device is through the reciprocating cylinder of punch holder, lower plate and lower plate lower part pulling, can be fast to wait to test engineering plastics strip and carry out tensile test, and this device only need not hard up the lower plate, reduction staff by a wide margin when detecting a plurality of engineering plastics strip required time.

This patent is possessed and is able to carry out the pulling force to the injection molding product fast and detect, but can not carry out the pulling force to multiunit injection molding product simultaneously and detect, can not contrast out the tensile condition of different injection molding products, and current tensile tester does not possess the function of measuring the tensile distance of injection molding product when carrying out the pulling force test to the injection molding product.

Disclosure of Invention

The utility model aims to provide an injection product tensile tester which has the advantages of simultaneously carrying out tensile test on a plurality of groups of injection products, simultaneously comparing the tensile conditions of different injection products and measuring the tensile distance of the injection products.

The technical aim of the utility model is achieved by the following technical scheme that the tensile tester for the injection molding products comprises a test bench, wherein a supporting block is welded on the top surface of the test bench, a lifting cover is arranged on the side wall of the supporting block in a sliding manner, a plurality of groups of stretching mechanisms which are convenient for observing the stretching distance are arranged on the side wall of the lifting cover, and a fixing mechanism matched with the stretching mechanism is welded on the top surface of the test bench;

the stretching mechanism comprises a connecting block, a square frame, a screw rod, a motor, a lifting block, a threaded pipe, a measuring rod, a U-shaped cover, a first threaded cylinder, a first bolt and a pressure plate, wherein the two connecting blocks are welded on the side wall of the lifting cover, the square frame is welded on the side wall of the lifting block, which is far away from the two connecting blocks, the screw rod bearing is connected with the middle part of the square frame, the motor is bolted on the top surface of the square frame and the output end of the square frame is fixedly connected with the screw rod, the lifting block is slidably arranged on the inner wall of the square frame, the threaded pipe is fixedly inlaid in the middle part of the lifting block and is in threaded connection with the screw rod, the measuring rod is welded on the top surface of the lifting block and is in sliding connection with the square frame, the top of the measuring rod is extended to the top of the square frame, the U-shaped cover is welded on the side wall of the lifting block, the first threaded cylinder is inlaid on the side wall of the square frame, which is far away from the lifting block, the first threaded cylinder is in the middle part of the first threaded cylinder, and the first threaded cylinder is welded on the side wall of the first bolt and is located inside the square frame.

Adopt above-mentioned technical scheme, through setting up the testboard, the supporting shoe, the lift cover, stretching mechanism, fixed establishment, when using, carry out the centre gripping to the bottom of multiunit injection molding product through fixed establishment and fix, stretching mechanism carries out the tensile test to the top of multiunit injection molding product after carrying out the centre gripping is fixed, multiunit injection molding product carries out the tensile test simultaneously and can contrast out the function of the tensile condition of different injection molding products, can measure the tensile distance of injection molding product simultaneously, through setting up the connecting block, the back form frame, the screw rod, the motor, the lifter, the screwed pipe, the measuring rod, the U-shaped cover, first screw section of thick bamboo, first bolt and pressure disk, when using, place the top of injection molding product in the inside of U-shaped cover respectively, rotate first bolt and first screw section of thick bamboo thread motion, the pressure disk carries out the centre gripping to injection molding product with the U-shaped cover at this moment and is fixed, start multiunit motor simultaneously, the screw rod moves with screwed pipe thread connection this moment, so can carry out tensile test to injection molding product at the back form frame, the measuring rod follows the lifter simultaneously, know the tensile distance of injection molding product promptly through observing the scale on the measuring rod.

The utility model is further provided with: the fixing mechanism comprises a U-shaped frame, fixing rods, slip rings, a pressing plate, a second threaded cylinder, a second bolt and a supporting spring, wherein the U-shaped frame is welded on the top surface of the test bench, the two fixing rods are welded on the inner wall of the U-shaped frame, the slip rings are arranged on the fixing rods in a sliding mode, the pressing plate is welded on the side wall of the opposite faces of the two slip rings, the second threaded cylinder is inlaid on the side wall of the U-shaped frame, the second bolt is in threaded connection with the middle portion of the second threaded cylinder, one end of the second threaded cylinder is in contact with the pressing plate, and the supporting spring is sleeved on the fixing rods and located between the inner wall of the U-shaped frame and the pressing plate.

Adopt above-mentioned technical scheme, through setting up U-shaped frame, the dead lever, the sliding ring, the clamp plate, the second screw thread section of thick bamboo, second bolt and supporting spring, when using, supporting spring supports the sliding ring, the clamp plate is close to the second screw thread section of thick bamboo this moment, place the bottom of test product in the inside of U-shaped frame, rotate second bolt and second screw thread section of thick bamboo screw thread motion this moment, the second bolt promotes the clamp plate motion, the clamp ring extrudees supporting spring shrink along with the clamp plate motion, clamp plate and U-shaped frame carry out the centre gripping to injection molding product fixedly.

The utility model is further provided with: the middle part of supporting shoe has seted up the mounting groove, the bolt has electronic hydraulic stem on the bottom surface of mounting groove, the output of electronic hydraulic stem is fixed with the lift cover bolt.

By adopting the technical scheme, through setting up mounting groove and electronic hydraulic stem, when using, start electronic hydraulic stem and can promote lift cover and supporting shoe elevating movement, so can be convenient for adjust the injection molding product to different length and test.

The utility model is further provided with: and a plurality of conical blocks are welded on the side wall of one surface of the pressure plate opposite to the U-shaped cover.

By adopting the technical scheme, through setting up the conical block, when using, the conical block can prevent that pressure disk and U-shaped cover from taking place to slide when to injection molding centre gripping.

The utility model is further provided with: a plurality of pressing strips are welded on the side wall of one surface of the pressing plate opposite to the U-shaped frame, and the pressing strips are respectively arranged on the pressing plate and the side wall of the U-shaped frame in a staggered mode.

By adopting the technical scheme, through the arrangement of the pressing strip, when in use, the pressing strip can prevent the pressing plate and the U-shaped frame from sliding when clamping the injection molding product.

The utility model is further provided with: the output end of the second bolt is provided with a round corner, and the side wall of the pressing plate, which is in contact with the second bolt, is welded with a wear-resisting block.

By adopting the technical scheme, through setting up the second bolt and the wear-resisting piece that the output set up for the fillet, when using, can reduce the frictional force between second bolt and the clamp plate, can prevent that the clamp plate wearing and tearing from taking place deformation.

The utility model is further provided with: the top surface of the square frame is provided with a groove, and a plurality of pointers are welded on the top surface of the square frame.

By adopting the technical scheme, the grooves and the pointers are arranged, so that the scales on the measuring rod can be conveniently observed through the grooves and the pointers when the measuring rod is used.

In summary, the utility model has the following beneficial effects:

through setting up testboard, the supporting shoe, the lift cover, stretching mechanism, fixed establishment, when using, carry out the centre gripping to the bottom of multiunit injection molding product through fixed establishment and fix, stretching mechanism carries out tensile test to the top of multiunit injection molding product after carrying out the centre gripping is fixed, multiunit injection molding product carries out tensile test simultaneously and can contrast out the function of the tensile condition of different injection molding products, can measure the tensile distance of injection molding product simultaneously, through setting up the connecting block, the back shape frame, the screw rod, a motor, the lifter, the screwed pipe, the measuring rod, the U-shaped cover, first screw bolt and pressure disk, when using, place the top of injection molding product in the inside of U-shaped cover respectively, rotate first screw bolt and first screw thread section of thick bamboo thread motion, the pressure disk carries out the centre gripping fixedly to injection molding product with the U-shaped cover at this moment, start multiunit motor simultaneously, screw rod and screwed pipe thread connection motion this moment, the lifter can carry out tensile test to injection molding product like this, the lifter moves along the lifter, know the tensile distance of injection molding product promptly through observing the scale on the measuring rod.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a perspective cross-sectional view of the present utility model at A-A in FIG. 2;

FIG. 4 is a schematic view of the structure of the fixing mechanism of the present utility model;

FIG. 5 is a schematic view of the structure of the stretching mechanism of the present utility model;

FIG. 6 is an enlarged view of the utility model at A in FIG. 3;

fig. 7 is an enlarged view of the present utility model at B in fig. 5.

In the figure, 1, a test bench; 21. a support block; 22. a lifting cover; 3. a stretching mechanism; 4. a fixing mechanism; 301. a connecting block; 302. a square frame; 303. a screw; 304. a motor; 305. a lifting block; 306. a threaded tube; 307. a measuring rod; 308. a U-shaped cover; 309. a first thread cylinder; 310. a first bolt; 311. a pressure plate; 41. a U-shaped frame; 42. a fixed rod; 43. a slip ring; 44. a pressing plate; 45. a second thread cylinder; 46. a second bolt; 47. a support spring; 51. a mounting groove; 52. an electric hydraulic rod; 61. conical blocks; 71. pressing strips; 81. a wear block; 91. a groove; 92. a pointer.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples:

referring to fig. 1 to 7, the present utility model provides the following technical solutions: the utility model provides an injection molding product tensile tester, includes testboard 1, and the welding has supporting shoe 21 on the top surface of testboard 1, is provided with lift cover 22 on the lateral wall of supporting shoe 21 in a sliding way, is provided with the tensile mechanism 3 of multiunit be convenient for observe the tensile distance on the lateral wall of lift cover 22, and the welding has the fixed establishment 4 with tensile mechanism 3 complex on the top surface of testboard 1; the stretching mechanism 3 comprises a connecting block 301, a square frame 302, a screw 303, a motor 304, a lifting block 305, a threaded pipe 306, a measuring rod 307, a U-shaped cover 308, a first threaded cylinder 309, a first bolt 310 and a pressure plate 311, wherein the two connecting blocks 301 are welded on the side wall of the lifting cover 22, the square frame 302 is welded on the side wall of the two connecting blocks 301 far away from the lifting cover 22, the screw 303 is connected with the middle part of the square frame 302 in a bearing way, the motor 304 is bolted on the top surface of the square frame 302, the output end of the motor is fixedly connected with the screw 303, the lifting block 305 is slidably arranged on the inner wall of the square frame 302, the threaded pipe 306 is fixedly inlaid in the middle part of the lifting block 305 and is in threaded connection with the screw 303, the measuring rod 307 is welded on the top surface of the lifting block 305 and is slidably connected with the square frame 302, the top of the measuring rod 307 extends to the top of the square frame 302, the U-shaped cover 308 is welded on the side wall of the lifting block 305, the first screw cylinder 309 is inlaid on the side wall of the square frame 302 far away from the lifting block 305, the first bolt 310 is in threaded connection with the middle part of the first screw cylinder 309, the pressure plate 311 is welded on the side wall of the first bolt 310 and is positioned in the square frame 302, when in use, the bottom of a plurality of groups of injection products is clamped and fixed through the fixing mechanism 4 by arranging the test bench 1, the supporting block 21, the lifting cover 22, the stretching mechanism 3 and the fixing mechanism 4, the stretching mechanism 3 clamps and fixes the tops of the plurality of groups of injection products and then performs a stretching test, the plurality of groups of injection products simultaneously perform the stretching test to compare the stretching conditions of different injection products, simultaneously can measure the stretching distance of the injection products, and the first screw cylinder 309, the first bolt 310 and the pressure plate 311 are arranged by arranging the connecting block 301, the square frame 302, the screw 303, the motor 304, the lifting block 305, the screw tube 306, the measuring rod 307, the U-shaped cover 308, when the device is used, the top of an injection molding product is placed in the U-shaped cover 308, the first bolt 310 and the first threaded cylinder 309 are rotated to conduct threaded movement, the pressure plate 311 and the U-shaped cover 308 clamp and fix the injection molding product, meanwhile, the plurality of groups of motors 304 are started, the screw 303 and the threaded pipe 306 are in threaded connection and move, the lifting block 305 moves upwards in the U-shaped frame 302, so that tensile testing can be conducted on the injection molding product, the measuring rod 307 moves along with the lifting block 305, and the stretching distance of the injection molding product is known through observing scales on the measuring rod 307.

Referring to fig. 4 and 6, the fixing mechanism 4 includes a U-shaped frame 41, a fixing rod 42, a slip ring 43, a pressing plate 44, a second screw cylinder 45, a second bolt 46 and a supporting spring 47, the U-shaped frame 41 is welded on the top surface of the test board 1, the two fixing rods 42 are welded on the inner wall of the U-shaped frame 41, the slip ring 43 is slidably arranged on the fixing rod 42, the pressing plate 44 is welded on the side wall of the opposite surface of the two slip rings 43, a plurality of second screw cylinders 45 are inlaid on the side wall of the U-shaped frame 41, a plurality of second bolts 46 are in threaded connection with the middle part of the second screw cylinder 45 and one end of the second screw cylinder is in contact with the pressing plate 44, the supporting spring 47 is sleeved on the fixing rod 42 and is located between the inner wall of the U-shaped frame 41 and the pressing plate 44, and the pressing plate 44 is clamped by arranging the U-shaped frame 41, the fixing rod 42, the slip ring 43, the pressing plate 44 is close to the second screw cylinder 45, the second bolts 46 and the supporting spring 47 supports the slip ring 43 when in use, the pressing plate 44 is close to the second screw cylinder 45, the bottom of the test product is placed inside the U-shaped frame 41, the second bolt 46 is rotated, the second bolt 46 and the second screw cylinder 45 is pushed by the second screw cylinder 45 to move, the pressing plate 44, and the pressing plate 44 is contracted, and the pressing the compression ring 44 is moved, and the pressing plate.

Referring to fig. 3, the middle part of the supporting block 21 is provided with a mounting groove 51, an electric hydraulic rod 52 is bolted to the bottom surface of the mounting groove 51, the output end of the electric hydraulic rod 52 is bolted and fixed with the lifting cover 22, and when the electric hydraulic rod 52 is used, the lifting cover 22 and the supporting block 21 can be pushed to move up and down by starting the electric hydraulic rod 52, so that the injection molding products with different lengths can be conveniently adjusted to be tested.

Referring to fig. 5, a plurality of conical blocks 61 are welded on the side wall of the opposite side of the platen 311 to the U-shaped cover 308, and by providing the conical blocks 61, the conical blocks 61 can prevent the platen 311 and the U-shaped cover 308 from sliding when clamping the injection product in use.

Referring to fig. 6, a plurality of pressing strips 71 are welded on the side walls of the opposite sides of the pressing plate 44 and the U-shaped frame 41, the pressing strips 71 are respectively arranged on the side walls of the pressing plate 44 and the U-shaped frame 41 in a staggered manner, and when in use, the pressing strips 71 can prevent the pressing plate 44 and the U-shaped frame 41 from sliding when clamping injection products.

Referring to fig. 6, the output end of the second bolt 46 is provided with a rounded corner, the wear-resistant block 81 is welded on the side wall of the pressing plate 44, which is in contact with the second bolt 46, and the friction force between the second bolt 46 and the pressing plate 44 can be reduced and the pressing plate 44 can be prevented from being deformed due to abrasion by arranging the second bolt 46 and the wear-resistant block 81, the output end of which is provided with the rounded corner, in use.

Referring to fig. 7, a groove 91 is formed in the top surface of the square frame 302, a plurality of pointers 92 are welded to the top surface of the square frame 302, and in use, the scales on the measuring rod 307 can be conveniently observed through the groove 91 and the pointers 92 by arranging the groove 91 and the pointers 92.

The use process is briefly described: when the test device is used, the support spring 47 supports the slip ring 43, the pressing plate 44 is close to the second threaded cylinder 45, the bottom of a test product is placed in the U-shaped frame 41 respectively, the second bolt 46 and the second threaded cylinder 45 are rotated to conduct thread movement, the second bolt 46 pushes the pressing plate 44 to move, the pressing plate follows the pressing plate 44 to move to extrude the support spring 47 to shrink, the pressing plate 44 and the U-shaped frame 41 clamp and fix the injection product, the top of the injection product is placed in the U-shaped cover 308 respectively, the first bolt 310 and the first threaded cylinder 309 are rotated to conduct thread movement, the pressing plate 311 and the U-shaped cover 308 clamp and fix the injection product, the multiple groups of motors 304 are started simultaneously, the screw 303 and the threaded pipe 306 are in thread connection with each other, the lifting block 305 moves upwards in the U-shaped frame 302 at the moment, so that the injection product can be tested in tension, the lifting block 307 moves along with the lifting block 305, and the stretching distance of the injection product can be obtained through observing the scales on the measuring rod 307, namely the stretching distance of the injection product can be tested in tension, meanwhile, stretching conditions of different injection products can be contrasted, and the injection products can be measured.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (7)

1. The utility model provides an injection molding product tensile tester, includes testboard (1), its characterized in that: the testing device is characterized in that a supporting block (21) is welded on the top surface of the testing table (1), a lifting cover (22) is arranged on the side wall of the supporting block (21) in a sliding mode, a plurality of groups of stretching mechanisms (3) which are convenient for observing stretching distances are arranged on the side wall of the lifting cover (22), and a fixing mechanism (4) matched with the stretching mechanisms (3) is welded on the top surface of the testing table (1);

the stretching mechanism (3) comprises a connecting block (301), a square frame (302), a screw rod (303), a motor (304), a lifting block (305), a threaded pipe (306), a measuring rod (307), a U-shaped cover (308), a first threaded cylinder (309), a first bolt (310) and a pressure plate (311), wherein the two connecting blocks (301) are welded on the side wall of the lifting cover (22), the square frame (302) is welded on the side wall of the two connecting blocks (301) far away from the lifting cover (22), the screw rod (303) is in bearing connection with the middle part of the square frame (302), the motor (304) is bolted on the top surface of the square frame (302) and the output end of the motor is fixedly connected with the screw rod (303), the lifting block (305) is slidably arranged on the inner wall of the square frame (302), the threaded pipe (306) is fixedly inlaid in the middle part of the lifting block (305) and is in threaded connection with the screw rod (303), the measuring rod (307) is welded on the top surface of the lifting block (302) and is slidably connected with the side wall of the square frame (302), the top part of the square frame (305) is slidably connected with the square frame (302) far away from the top of the lifting block (308), the first bolt (310) is in threaded connection with the middle part of the first threaded cylinder (309), and the pressure plate (311) is welded on the side wall of the first bolt (310) and is positioned in the square frame (302).

2. The tensile tester for injection products according to claim 1, wherein: the utility model provides a fixing mechanism (4) is including U-shaped frame (41), dead lever (42), sliding ring (43), clamp plate (44), second screw thread section of thick bamboo (45), second bolt (46) and supporting spring (47), U-shaped frame (41) welds on the top surface of testboard (1), two dead lever (42) weld on the inner wall of U-shaped frame (41), sliding ring (43) slide and set up on dead lever (42), clamp plate (44) weld on the lateral wall of two sliding rings (43) opposite faces, a plurality of second screw thread section of thick bamboo (45) are inlayed on the lateral wall of U-shaped frame (41), a plurality of second bolt (46) threaded connection are in the middle part of second screw thread section of thick bamboo (45) and one end and clamp plate (44) contact, supporting spring (47) cup joint and are located on U-shaped frame (41) inner wall and between clamp plate (44).

3. The tensile tester for injection products according to claim 1, wherein: the middle part of supporting shoe (21) has seted up mounting groove (51), bolt has electronic hydraulic stem (52) on the bottom surface of mounting groove (51), the output of electronic hydraulic stem (52) is fixed with lift cover (22) bolt.

4. The tensile tester for injection products according to claim 1, wherein: a plurality of conical blocks (61) are welded on the side wall of one surface of the pressure plate (311) opposite to the U-shaped cover (308).

5. An injection molded product tensile tester as claimed in claim 2, wherein: a plurality of pressing strips (71) are welded on the side wall of one surface of the pressing plate (44) opposite to the U-shaped frame (41), and the pressing strips (71) are arranged on the side wall of the pressing plate (44) and the side wall of the U-shaped frame (41) in a staggered mode.

6. An injection molded product tensile tester as claimed in claim 2, wherein: the output end of the second bolt (46) is provided with a round angle, and a wear-resisting block (81) is welded on the side wall of the pressing plate (44) contacted with the second bolt (46).

7. The tensile tester for injection products according to claim 1, wherein: the top surface of the square frame (302) is provided with a groove (91), and a plurality of pointers (92) are welded on the top surface of the square frame (302).