PET (Polyethylene Terephthalate) protective film tensile test fixture
By designing a PET protective film tensile testing fixture that combines clamping plates and clamping components, the problem of inconvenient operation of PET protective film on tensile fixtures was solved, achieving more efficient fixation and more accurate testing.
Patent Information
- Application Number
- CN202423040143.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The existing PET protective film is inconvenient to handle when fixed onto the stretching fixture, which affects the accuracy of the test results.
A PET protective film tensile testing fixture was designed, which uses a combination of clamping plates and clamping components. The opening and closing of the clamping plates and the clamping are achieved by driving the movement of the rectangular slider and the limit slider through a hydraulic cylinder, thereby improving the ease of operation.
It improves the fixation effect of PET protective film, prevents it from falling off, and enhances the accuracy of test results and ease of operation.
Smart Images
Figure CN223565406U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PET protection film technical field, concretely relates to a PET protection film tensile test fixture. BACKGROUND
[0002] PET protection film material is transparent and colorless, and the surface has been hardened, generally PET protection film material according to the different place of production, the surface hardening value is between 3H-4H, and the better the surface hardening is, the stronger the wear resistance is. The light transmittance is also the main property of PET protection film material, and the light transmittance is above 90%, and the high light transmittance not only makes us have a good visual effect when using relevant instruments, but also has a good protection effect to eyes. With the rapid development of electronic consumer goods, PET protection film has become an indispensable product for smart phones, tablet computers and other electronic products with touch capacitive screen protection function. In the production process of PET protection film, the tensile property of PET protection film needs to be detected, and the PET protection film is cut into a certain size of long strip sample when the PET protection film is detected, and then the two ends of the PET protection film are directly fixed to the tensile fixture of the tensile tester, and the sample needs to be kept in a straight state. The PET protection film tensile fixture is generally composed of a clamping block, a locking bolt, a tension sensor, a connecting head and the like.
[0003] The existing PE protection film is fixed to the tensile fixture, the sample of the PE protection film is relatively thin and small in size, the space between the clamps of the film tensile tester is relatively small, and the PE protection film is directly fixed to the clamp, which is not convenient to operate and affects the accuracy of the detection result.
[0004] At present, no effective solution has been proposed for the problems in the related art. UTILITY MODEL CONTENT
[0005] In view of the problems in the related art, the utility model provides a PET protection film tensile test fixture to overcome the above technical problems existing in the prior art.
[0006] Therefore, the utility model adopts the specific technical scheme as follows:
[0007] A PET protection film tensile test fixture, comprising a mounting column and a tension sensor located at the bottom end of the mounting column, the bottom end of the tension sensor is provided with a mounting block, the bottom end of the mounting block is provided with a connecting seat, the bottom of the connecting seat is provided with a clamping plate one and a clamping plate two arranged symmetrically, and the clamping plate one and the clamping plate two are connected with the connecting seat through a clamping assembly.
[0008] As preferred, the clamping assembly comprises a limiting sliding hole opened at the bottom end of the connecting seat, the limiting sliding hole is provided with symmetrically arranged limiting sliding block one and limiting sliding block two, the bottom end of the limiting sliding block one and the limiting sliding block two and the side close to each other are provided with vertical blocks extending to the outside of the limiting sliding hole and corresponding connecting with the clamping plate one and the clamping plate two.
[0009] As preferred, the middle part of the connecting seat is provided with a chamber communicated with the limiting sliding hole, the side close to each other of the limiting sliding block one and the limiting sliding block two is provided with a bevel, and the bevel is provided with a sliding groove.
[0010] As preferred, the chamber is provided with a rectangular sliding block abutting against the bevel of the side of the limiting sliding block one and the limiting sliding block two, and the two sides of the rectangular sliding block are symmetrically provided with sliding strips matched with the sliding groove.
[0011] As preferred, the top end of the rectangular sliding block is provided with a hydraulic cylinder connected with the connecting seat, and the hydraulic cylinder is connected with the rectangular sliding block and the connecting seat through movable elements.
[0012] As preferred, the side close to the clamping plate two of the clamping plate one is provided with a plurality of evenly distributed grooves, and the side close to the clamping plate one of the clamping plate two is provided with a plurality of protrusions matched with the number of the grooves.
[0013] As preferred, the plurality of protrusions correspond to the positions of the grooves.
[0014] The beneficial effects of the utility model are that: through the cooperation design of the clamping plate one, the clamping plate two and the clamping assembly, when the rectangular sliding block moves downward, the limiting sliding block one and the limiting sliding block two are pushed to move to both sides, so that the clamping plate one and the clamping plate two are separated, and the PET protective film is removed from the two clamping plates, and when the rectangular sliding block moves upward, the limiting sliding block one and the limiting sliding block two are driven to move to the middle, and the clamping plate one and the clamping plate two clamp and fix the PET protective film, thereby improving the convenience of the device. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0016] Fig. 1 It is a structure schematic view of a PET protective film tensile test fixture according to the utility model embodiments;
[0017] Fig. 2It is a structure schematic view of a limiting sliding block in a PET protective film tensile test fixture according to an embodiment of the utility model.
[0018] Fig. 3 It is a structure schematic view of a rectangular sliding block in a PET protective film tensile test fixture according to an embodiment of the utility model.
[0019] In the figure,
[0020] 1, mounting column; 2, tension sensor; 3, mounting block; 4, connecting seat; 5, clamping plate one; 6, clamping plate two; 7, limiting sliding hole; 8, limiting sliding block one; 9, limiting sliding block two; 10, vertical block; 11, cavity; 12, bevel; 13, sliding groove; 14, rectangular sliding block; 15, sliding bar; 16, hydraulic cylinder; 17, movable piece; 18, groove. DETAILED DESCRIPTION
[0021] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, it is mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, and the person skilled in the art should understand other possible implementation modes and the advantages of the utility model, the components in the figure are not drawn according to scale, and similar component symbols are usually used to represent similar components.
[0022] According to the embodiment of the utility model, a PET protective film tensile test fixture is provided.
[0023] Embodiment one,
[0024] As Figs. 1-3 The PET protective film tensile test fixture according to the embodiment of the utility model, as shown in the figure, includes mounting column 1 and the tension sensor 2 at the bottom end of the mounting column 1, the bottom end of the tension sensor 2 is equipped with mounting block 3, the bottom end of the mounting block 3 is equipped with connecting seat 4, the bottom of the connecting seat 4 is equipped with symmetrically arranged clamping plate one 5 and clamping plate two 6, and the clamping plate one 5 and the clamping plate two 6 are connected with the connecting seat 4 through clamping assembly.
[0025] Embodiment two,
[0026] As Figs. 1-3As shown, the clamping assembly comprises a limiting sliding hole 7 formed at the bottom end of the connecting seat 4, the limiting sliding hole 7 is provided with a limiting sliding block one 8 and a limiting sliding block two 9 arranged symmetrically, the bottom end of the limiting sliding block one 8 and the limiting sliding block two 9 and the side close to each other are provided with a vertical block 10 extending to the outside of the limiting sliding hole 7 and corresponding to the clamping plate one 5 and the clamping plate two 6, the middle part of the connecting seat 4 is provided with a cavity 11 communicating with the limiting sliding hole 7, the side close to each other of the limiting sliding block one 8 and the limiting sliding block two 9 is provided with an inclined edge 12, the inclined edge 12 is provided with a sliding groove 13, the cavity 11 is provided with a rectangular sliding block 14 abutting against the inclined edge 12 on one side of the limiting sliding block one 8 and the limiting sliding block two 9, and the two sides of the rectangular sliding block 14 are symmetrically provided with a sliding bar 15 matched with the sliding groove 13.
[0027] Embodiment three;
[0028] As Figs. 1-3 shown, the top end of the rectangular sliding block 14 is provided with a hydraulic cylinder 16 connected with the connecting seat 4, the hydraulic cylinder 16 is connected with the rectangular sliding block 14 and the connecting seat 4 through a movable part 17 respectively, the side close to the clamping plate two 6 of the clamping plate one 5 is provided with a plurality of evenly distributed grooves 18, the side close to the clamping plate one 5 of the clamping plate two 6 is provided with a plurality of protrusions matched with the number of the grooves 18, and the plurality of protrusions are corresponding to the positions of the grooves 18.
[0029] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.
[0030] In actual application, the mounting column 1 is inserted into the mounting seat of the film stretching detector, one end of the PET protective film is placed between the clamping plate one 5 and the clamping plate two 6, the clamping assembly drives the clamping plate one 5 and the clamping plate two 6 to clamp, the grooves 18 and the protrusions are engaged together, the PET protective film is fixed between the clamping plate one 5 and the clamping plate two 6, and the clamping effect of the clamping plate one 5 and the clamping plate two 6 on the PET protective film is improved, so that the PET protective film is prevented from falling off during stretching; when the hydraulic cylinder 16 of the clamping assembly drives the rectangular sliding block 14 to move downward, the limiting sliding block one 8 and the limiting sliding block two 9 are pushed to move to both sides, so that the clamping plate one 5 and the clamping plate two 6 are separated, and the PET protective film is removed from the two clamping plates, and when the rectangular sliding block 14 moves upward, the limiting sliding block one 8 and the limiting sliding block two 9 are driven to move to the middle, the clamping plate one 5 and the clamping plate two 6 clamp and fix the PET protective film, and the convenience of use of the device is improved.
[0031] With the above technical scheme of the utility model, through the cooperation design of the clamping plate one 5 and the clamping plate two 6 and the clamping assembly, when the rectangular slide 14 moves downwards, the limiting slide one 8 and the limiting slide two 9 are pushed to move to the two side directions, the clamping plate one 5 and the clamping plate two 6 are separated, the PET protective film is removed from the two clamping plates, when the rectangular slide 14 moves upwards, the limiting slide one 8 and the limiting slide two 9 are driven to move to the middle direction, the clamping plate one 5 and the clamping plate two 6 clamp and fix the PET protective film, and the convenience of the device use is improved.
[0032] The above merely describes the preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A PET protective film tensile test jig characterized by, It includes a mounting post (1) and a tension sensor (2) located at the bottom of the mounting post (1). The bottom of the tension sensor (2) is provided with a mounting block (3). The bottom of the mounting block (3) is provided with a connecting seat (4). The bottom of the connecting seat (4) is provided with a symmetrically arranged clamping plate one (5) and clamping plate two (6). The clamping plate one (5) and clamping plate two (6) are connected to the connecting seat (4) through a clamping assembly.
2. The PET protective film stretch test fixture of claim 1, wherein, The clamping assembly includes a limiting slide hole (7) located at the bottom end of the connecting seat (4). The limiting slide hole (7) is provided with a limiting slider one (8) and a limiting slider two (9) arranged symmetrically. The bottom end of the limiting slider one (8) and the limiting slider two (9) are provided with a vertical block (10) extending out of the limiting slide hole (7) and correspondingly connected to the clamping plate one (5) and the clamping plate two (6).
3. The PET protective film stretch test fixture of claim 2, wherein, The connecting seat (4) has a cavity (11) in the middle that communicates with the limiting sliding hole (7). The limiting slider one (8) and the limiting slider two (9) are provided with inclined sides (12) on the side that are close to each other, and a sliding groove (13) is provided at the inclined side (12).
4. The PET protective film stretch test fixture of claim 3, wherein, The chamber (11) is provided with a rectangular slider (14) that abuts against the inclined side (12) of the first limiting slider (8) and the second limiting slider (9). The rectangular slider (14) is provided with symmetrical sliding strips (15) that match the sliding groove (13) on both sides.
5. The PET protective film stretch test fixture of claim 4, wherein, The top of the rectangular slider (14) is provided with a hydraulic cylinder (16) connected to the connecting seat (4). The hydraulic cylinder (16) is connected to the rectangular slider (14) and the connecting seat (4) respectively through a movable part (17).
6. The PET protective film stretch test fixture of claim 5, wherein, The clamping plate one (5) has several evenly distributed grooves (18) on the side near the clamping plate two (6), and the clamping plate two (6) has protrusions on the side near the clamping plate one (5) that match the number of grooves (18).
7. The PET protective film stretch test fixture of claim 6, wherein, Several of the protrusions correspond to the positions of the grooves (18).