Positioning tool for testing based on EVA (Ethylene Vinyl Acetate) film

Abstract

The utility model relates to the technical field of EVA film testing, and discloses a positioning tool based on EVA film testing, which comprises an adjusting assembly, the adjusting assembly comprises an adjusting box, two sides of an inner cavity of the adjusting box are movably connected with threaded rods, the surface of each threaded rod is in threaded connection with a threaded sleeve, and the threaded sleeve is in threaded connection with the adjusting box. The surface of the threaded sleeve is fixedly connected with an adjusting rod, and the other end of the adjusting rod is fixedly connected with a first positioning assembly. According to the utility model, by arranging the first positioning assembly, one side of an EVA film can be firstly clamped to facilitate arrangement of the EVA film, and then one side of the EVA film is curled and positioned through the second positioning assembly, so that the redundant EVA film during testing can be curled and stored, the influence on testing is reduced, and the testing efficiency is improved. Through cooperation of a threaded rod, a threaded sleeve and an adjusting rod, the first positioning assembly can be driven to adjust the position, different lengths of EVA films can be tested, and the testing convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to EVA film test technical field, concretely is a kind of positioning tool based on EVA film test. BACKGROUND

[0002] EVA film is also called environmental protection film, is the film produced by EVA raw material through cast extrusion, is a new generation of green environmental protection degradable material, with biodegradable, waste or combustion does not cause harm to the environment, no odor, does not contain heavy metal;EVA film is mainly used for daily necessities: umbrella, raincoat, suit, eye shield, various tablecloth, shower cap, shower curtain, water bag, ice bag, tablecloth etc.

[0003] At present, when EVA film is tested, often due to EVA film cannot be better tensioned, leading to large test error, which is not conducive to the accuracy and test efficiency of test. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a positioning tool based on EVA film test to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a positioning tool based on EVA film test, including adjusting assembly, the adjusting assembly includes adjusting box, both sides of the adjusting box inner chamber are movably connected with threaded rod, the surface of threaded rod is connected with threaded sleeve, the surface of threaded sleeve is fixedly connected with adjusting rod, the other end of adjusting rod is fixedly connected with first positioning assembly;

[0006] The first positioning assembly includes concave frame, the top of the concave frame inner chamber is fixedly connected with electric push rod, and the telescopic end of the electric push rod is fixedly connected with positioning plate.

[0007] The right side of the surface of the adjusting box is embedded with second positioning assembly, the second positioning assembly includes motor, the output shaft of the motor is fixedly connected with winding shaft, and one clamping groove is formed in the winding shaft along the axial direction.

[0008] By adopting the above technical scheme, by setting first positioning assembly, the edge of EVA film can be clamped first, which facilitates the arrangement of EVA film, and then the edge of EVA film is curled and positioned by second positioning assembly, at this time, the excess EVA film during test can be curled and stored, reducing the influence on test, wherein the cooperation of threaded rod, threaded sleeve and adjusting rod can drive the first positioning assembly to adjust the position, and the EVA film can be tested in different lengths, improving the convenience of test.

[0009] Preferably, the back of the adjusting box cavity is provided with a sliding groove, the inner cavity of the sliding groove is slidably connected with a sliding block, and the end, away from the sliding groove, of the sliding block is fixedly connected with the threaded sleeve.

[0010] By adopting the above technical scheme, the threaded sleeve can be guided and positioned to move, and the stability of the threaded sleeve when moved by the threaded rod is increased.

[0011] Preferably, the surface of the adjusting box is provided with a movable hole, and the adjusting rod is located in the inner cavity of the movable hole.

[0012] By adopting the above technical scheme, the threaded sleeve can be driven by the adjusting rod to adjust the position of the first positioning assembly.

[0013] Preferably, the left side of the threaded rod penetrates through the adjusting box and is fixedly connected with a handle through a bearing, and the surface of the handle is provided with anti-skid lines.

[0014] By adopting the above technical scheme, the user can conveniently rotate the threaded rod to adjust the position of the first positioning assembly.

[0015] Preferably, the bottom of the inner cavity of the concave frame is provided with a lower anti-skid pad, and the bottom of the positioning plate is fixedly connected with an upper anti-skid pad.

[0016] By adopting the above technical scheme, the EVA film can be clamped and buffered when one end of the EVA film is positioned, the damage probability is reduced, the friction during clamping is increased, and the clamping effect is improved.

[0017] Preferably, the bottom of the adjusting box is fixedly connected with a supporting rod, and the bottom of the supporting rod is fixedly connected with a base.

[0018] By adopting the above technical scheme, the device can be supported.

[0019] Preferably, the surface of the winding shaft is fixedly connected with a baffle.

[0020] By adopting the above technical scheme, the EVA film can be blocked when being curled, and the error probability of curling is reduced.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] The utility model discloses a first positioning assembly can first hold one side of EVA film, and the EVA film is arranged conveniently, then through the second positioning assembly, one side of EVA film is curled and positioned, and the extra EVA film during testing can be curled and stored, and the influence on testing is reduced, wherein the cooperation of threaded rod, threaded sleeve and adjusting rod can drive the first positioning assembly to adjust the position, and the EVA film can be tested in different lengths, and the convenience of testing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic diagram of the utility model;

[0024] Figure 2 It is the overhead view sectional view of the adjusting box in the structure of the utility model;

[0025] Figure 3 It is the side view of the concave frame in the structure of the utility model;

[0026] Figure 4 It is the perspective view of motor and winding shaft in the structure of the utility model.

[0027] In the drawing: 1, adjusting assembly;101, adjusting box;102, threaded rod;103, threaded sleeve;104, adjusting rod;2, first positioning assembly;201, concave frame;202, electric push rod;203, positioning plate;3, second positioning assembly;301, motor;302, winding shaft;303, clamping groove;4, sliding slot;5, sliding block;6, movable hole;7, handle;8, lower antiskid pad;9, support rod;10, base;11, baffle;12, upper antiskid pad. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-4The utility model provides a positioning tool based on EVA film test, including adjusting assembly 1, the back of adjusting box 101 inner chamber is equipped with the sliding slot 4, the inner chamber sliding of sliding slot 4 is connected with the sliding block 5, the one end of sliding block 5 away from sliding slot 4 is fixedly connected with threaded sleeve 103, can be positioned and guided movement to threaded sleeve 103, increase the stability when threaded sleeve 103 is moved by threaded rod 102, the surface of adjusting box 101 is equipped with movable hole 6, and the inner chamber of movable hole 6 can be convenient for threaded sleeve 103 to drive first positioning assembly 2 position adjustment by adjusting rod 104, the left side of threaded rod 102 is connected with the handle 7 through bearing and is fixedly connected with the handle 7 and is equipped with the anti -skid line of handle 7 surface, can be convenient for user to rotate threaded rod 102, it is convenient to carry out position adjustment to first positioning assembly 2, the bottom of concave frame 201 inner chamber is equipped with lower anti -skid pad 8, and the bottom of positioning plate 203 is fixedly connected with upper anti -skid pad 12, can buffer when the one end of EVA film is positioned, EVA film clamping force, reduce the probability of damage, increase the friction force when clamping simultaneously, improve clamping effect, the bottom of adjusting box 101 is fixedly connected with support rod 9, and the bottom of support rod 9 is fixedly connected with base 10, can support the device, the surface of winding shaft 302 is fixedly connected with baffle 11, can be when EVA film is curled and is blocked, reduce the error probability of curling.

[0031] Embodiment 2:

[0032] Please refer to Figures 1-4 The utility model provides a positioning tool based on EVA film test, including adjusting assembly 1, the back of adjusting box 101 inner chamber is equipped with the sliding slot 4, the inner chamber sliding of sliding slot 4 is connected with the sliding block 5, the one end of sliding block 5 away from sliding slot 4 is fixedly connected with threaded sleeve 103, can be positioned and guided movement to threaded sleeve 103, increase the stability when threaded sleeve 103 is moved by threaded rod 102, the surface of adjusting box 101 is equipped with movable hole 6, and the inner chamber of movable hole 6 can be convenient for threaded sleeve 103 to drive first positioning assembly 2 position adjustment by adjusting rod 104, the left side of threaded rod 102 is connected with the handle 7 through bearing and is fixedly connected with the handle 7 and is equipped with the anti -skid line of handle 7 surface, can be convenient for user to rotate threaded rod 102, it is convenient to carry out position adjustment to first positioning assembly 2, the bottom of concave frame 201 inner chamber is equipped with lower anti -skid pad 8, and the bottom of positioning plate 203 is fixedly connected with upper anti -skid pad 12, can buffer when the one end of EVA film is positioned, EVA film clamping force, reduce the probability of damage, increase the friction force when clamping simultaneously, improve clamping effect, the bottom of adjusting box 101 is fixedly connected with support rod 9, and the bottom of support rod 9 is fixedly connected with base 10, can support the device, the surface of winding shaft 302 is fixedly connected with baffle 11, can be when EVA film is curled and is blocked, reduce the error probability of curling.

[0033] The working principle is:

[0034] In use, first arrange one side of the EVA film flat, place it on the lower anti-skid pad 8 in the concave frame 201, then start the electric push rod 202 to push the positioning plate 203 and the upper anti-skid pad 12 to move downward to clamp the EVA film, facilitate arranging the EVA film, then insert the other side of the EVA film into the clamping groove 303, and start the motor 301 to drive the winding shaft 302 to wind the other side of the EVA film, roll up the excess EVA film during testing, reduce the influence on testing, and at the same time, tension the EVA film to facilitate testing operation;

[0035] After testing the EVA film, rotate the handle 7 to drive the threaded rod 102 to rotate, the threaded rod 102 drives the threaded sleeve 103 to move left, the threaded sleeve 103 drives the first positioning assembly 2 to move left, and at the same time, the motor 301 drives the winding shaft 302 to rotate reversely, expand the testing length of the EVA film, and test the EVA film of different lengths to improve the convenience of testing.

[0036] In summary, the positioning tool based on EVA film testing can first clamp one side of the EVA film to facilitate arranging the EVA film, then roll and position the other side of the EVA film through the second positioning assembly 3, roll up the excess EVA film during testing to reduce the influence on testing, and at the same time, adjust the position of the first positioning assembly 2 through the cooperation of the threaded rod 102, the threaded sleeve 103 and the adjusting rod 104 to test the EVA film of different lengths to improve the convenience of testing.

[0037] The standard parts used in the present application can be purchased from the market, and can be customized according to the description and drawings. The specific connection mode of each part adopts the conventional screw, rivet and welding means in the prior art. The mechanical parts and equipment adopt conventional types in the prior art. The control mode is automatically controlled by the controller. The control circuit of the controller can be realized by simple programming of the person skilled in the art. It belongs to the common knowledge in the art. And the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning tool for EVA film test based on, comprising an adjusting assembly (1), characterized in that: The adjusting assembly (1) includes an adjusting box (101), the two sides of the inner cavity of the adjusting box (101) are movably connected with threaded rods (102), the surface of the threaded rod (102) is threadedly connected with a threaded sleeve (103), the surface of the threaded sleeve (103) is fixedly connected with an adjusting rod (104), and the other end of the adjusting rod (104) is fixedly connected with a first positioning assembly (2). The first positioning assembly (2) includes a concave frame (201), the top of the inner cavity of the concave frame (201) is fixedly connected with an electric push rod (202), and the telescopic end of the electric push rod (202) is fixedly connected with a positioning plate (203). The right side of the surface of the adjusting box (101) is embedded with a second positioning assembly (3), the second positioning assembly (3) includes a motor (301), the output shaft of the motor (301) is fixedly connected with a winding shaft (302), and a clamping groove (303) is formed in the winding shaft (302) in the axial direction.

2. The positioning tool based on EVA film for testing according to claim 1, characterized in that: The back of the inner cavity of the adjusting box (101) is provided with a sliding groove (4), the inner cavity of the sliding groove (4) is slidably connected with a sliding block (5), and the end, away from the sliding groove (4), of the sliding block (5) is fixedly connected with the threaded sleeve (103).

3. The positioning tool based on EVA film for testing according to claim 1, characterized in that: The surface of the adjusting box (101) is provided with a movable hole (6), and the adjusting rod (104) is located in the inner cavity of the movable hole (6).

4. The positioning tool based on EVA film for testing according to claim 1, characterized in that: The left side of the threaded rod (102) penetrates through the adjusting box (101) through a bearing and is fixedly connected with a handle (7), and the surface of the handle (7) is provided with anti-skid lines.

5. The positioning tool based on EVA film test according to claim 1, characterized in that: The bottom of the inner cavity of the concave frame (201) is provided with a lower anti-skid pad (8), and the bottom of the positioning plate (203) is fixedly connected with an upper anti-skid pad (12).

6. The positioning tool based on EVA film for testing according to claim 1, characterized in that: The bottom of the adjusting box (101) is fixedly connected with a supporting rod (9), and the bottom of the supporting rod (9) is fixedly connected with a base (10).

7. The positioning tool based on EVA film for testing according to claim 1, characterized in that: The surface of the winding shaft (302) is fixedly connected with a baffle (11). The surface of the winding shaft (302) is fixedly connected with a baffle (11).

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