Device for cutting test pieces for tensile strength of silicone rubber

Abstract

The utility model relates to the technical field of silicone rubber detection, especially to a sample bar cutting device for silicone rubber tensile strength detection, including support seat, the plug -in board of card setting in the inside bottom of support seat, fixedly set in the clamping mechanism of support seat top and the cutting mechanism of movable joint with clamping mechanism, the inside bottom of support seat is equipped with the slot of cooperation with plug -in board, and the inside bottom of support seat is pasted with plug -in board bottom, the clamping mechanism includes fixed frame, guide strip, placement frame, connecting frame, pressure knob and locking knob, this sample bar cutting device for silicone rubber tensile strength detection can effectively clamp silicone rubber according to the sample bar width of required cutting, effectively supports in cutting area outside, and according to the cutter spacing adjustment of required cutting width, realizes the finished product after quick cutting and falls to the surface of plug -in board, and the finished product is quickly extracted through plug -in board, realizes the effect that multiple sample bars are quickly cut and conveniently take material.

Description

Technical Field

[0001] This utility model relates to the field of silicone rubber testing technology, and in particular to a strip cutting device for testing the tensile strength of silicone rubber. Background Technology

[0002] Tensile silicone rubber is an organosilicon elastomer material with excellent tensile properties. Its main chain is composed of alternating silicon and oxygen atoms, and organic groups are usually attached to the silicon atoms. This material significantly improves its mechanical strength through special cross-linking structure and the addition of fillers (such as silica).

[0003] After the production of tensile silicone rubber, in order to systematically understand its tensile strength, it is necessary to test the tensile strength of the produced silicone rubber. This requires cutting the silicone rubber into strips with rated width, rated length and rated thickness. Moreover, multiple silicone rubber strips need to be cut to facilitate the experimental work. The existing cutting method mainly involves marking lines and then trimming multiple times. Moreover, only one strip can be cut at a time, requiring multiple marking and adjustment processes. Utility Model Content

[0004] This invention addresses the shortcomings of existing technologies by providing a strip cutting device for testing the tensile strength of silicone rubber.

[0005] This utility model is achieved through the following technical solution:

[0006] A strip cutting device for testing the tensile strength of silicone rubber includes a support base, an insert plate clamped on the inner side of the bottom of the support base, a clamping mechanism fixedly installed on the top of the support base, and a cutting mechanism movably connected to the clamping mechanism. The inner side of the support base has a slot that mates with the insert plate, and the bottom of the insert plate fits against the inner side of the bottom of the support base. The clamping mechanism includes a fixing frame, a guide strip, a placement frame, a connecting frame, a pressure knob, and a locking knob. The guide strip is fixedly installed on the top of both ends of the fixing frame. The placement frame is movably connected to the guide strip. The connecting frame is fixedly installed on the top inner side of the placement frame. The pressure knob is movably connected to the top of the connecting frame. The locking knob is threadedly connected to one end of the placement frame.

[0007] In a preferred embodiment of the present invention, the cutting mechanism includes a sliding frame, an adjusting sleeve, a fixing knob, a knife holder and a cutting blade. The adjusting sleeve is sleeved on the top of the sliding frame, the fixing knob is threaded to the top of the adjusting sleeve, the knife holder is fixedly disposed inside the adjusting sleeve, and the cutting blade is inserted into the knife holder and fixed by screws.

[0008] The cutting mechanism can adjust the spacing of the cutting blades by adjusting the position of the adjusting sleeve on the sliding frame, so as to facilitate fixed-width cutting.

[0009] In a preferred embodiment of this utility model, guide grooves that cooperate with guide strips are provided at the bottom of both ends of the placement rack, and one end of the locking knob passes through the placement rack and contacts the outside of the guide strip;

[0010] After adjusting the position of the placement rack at the top of the guide bar, tighten the locking knob to fix the position of the placement rack.

[0011] In a preferred embodiment of the present invention, guide blocks are provided inside both sides of the sliding frame, and guide grooves that cooperate with the fixed frame are provided on both sides.

[0012] By pushing the sliding frame within the guide grooves on both sides of the fixed frame, the cutting blade can quickly cut the clamped silicone rubber.

[0013] In a preferred embodiment of the present invention, one end of the insert plate extends through and to the outside of one side of the support base, and a handle is provided at the end of the insert plate.

[0014] The beneficial effects of this utility model are:

[0015] This silicone rubber tensile strength testing strip cutting device can effectively clamp the silicone rubber according to the required strip width, provide effective support on the outside of the cutting area, and adjust the blade spacing according to the required cutting width. The finished product after rapid cutting will fall onto the surface of the insert plate, and the finished product will be quickly extracted through the insert plate, achieving the effect of rapid cutting of multiple strips and convenient material handling. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the strip cutting device for testing the tensile strength of silicone rubber according to this utility model.

[0017] Figure 2 This is a schematic diagram of the clamping mechanism of the sample cutting device for testing the tensile strength of silicone rubber according to this utility model;

[0018] Figure 3 This is a schematic diagram of the cutting mechanism of the strip cutting device for testing the tensile strength of silicone rubber according to this utility model.

[0019] In the diagram: 1. Support base; 2. Insert plate; 3. Clamping mechanism; 31. Fixing frame; 32. Guide bar; 33. Placement frame; 34. Connecting frame; 35. Pressure knob; 36. Locking knob; 4. Cutting mechanism; 41. Sliding frame; 42. Adjusting sleeve; 43. Fixing knob; 44. Tool holder; 45. Cutting blade. Detailed Implementation

[0020] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.

[0021] like Figure 1-3 The device shown is a strip cutting device for testing the tensile strength of silicone rubber. It includes a support base 1, an insert plate 2 that is clamped on the inner side of the bottom of the support base 1, a clamping mechanism 3 that is fixedly installed on the top of the support base 1, and a cutting mechanism 4 that is movably connected to the clamping mechanism 3. The inner side of the support base 1 has a slot that mates with the insert plate 2. The bottom of the insert plate 2 is attached to the inner side of the bottom of the support base 1. The clamping mechanism 3 includes a fixing frame 31, a guide bar 32, a placement frame 33, a connecting frame 34, a pressure knob 35, and a locking knob 36. The guide bar 32 is fixedly installed on the top of both ends of the fixing frame 31. The placement frame 33 is movably connected to the guide bar 32. The connecting frame 34 is fixedly installed on the top of the inner side of the placement frame 33. The pressure knob 35 is movably connected to the top of the connecting frame 34. The locking knob 36 is threadedly connected to one end of the placement frame 33.

[0022] Specifically, the cutting mechanism 4 includes a sliding frame 41, an adjusting sleeve 42, a fixing knob 43, a blade holder 44, and a cutting blade 45. The adjusting sleeve 42 is fitted onto the top of the sliding frame 41. The fixing knob 43 is connected to the top of the adjusting sleeve 42 by a thread. The blade holder 44 is fixedly installed inside the adjusting sleeve 42. The cutting blade 45 is inserted into the blade holder 44 and fixed by screws. The bottom of both ends of the placement frame 33 has guide grooves that cooperate with the guide strip 32. One end of the locking knob 36 passes through the placement frame 33 and contacts the outside of the guide strip 32. Guide blocks are provided inside both sides of the sliding frame 41. Guide grooves that cooperate with the fixed frame 31 are provided on both sides. One end of the insert plate 2 passes through and extends to the outside of one side of the support base 1. A handle is provided at the end of the insert plate 2.

[0023] In this embodiment, the position of the placement frame 33 is first adjusted according to the required width of the strip to be cut. After loosening the locking knob 36 at one end of the placement frame 33, it can be slidably adjusted on the top of the guide bar 32 so that the spacing of the placement frame 33 is greater than the required width of the strip to be cut. After the silicone rubber is clipped to the bottom of the connecting frame 34, the silicone rubber sheet is tensioned and fixed by tightening the pressure knob 35. The locking knob 36 is tightened so that its end contacts one end of the guide bar 32 to lock the placement frame 33.

[0024] Furthermore, after loosening the fixing knob 43 at the top of the adjusting sleeve 42, the adjusting sleeve 42 can be adjusted at the top of the sliding frame 41 so that the spacing of the cutting blades 45 fixed by the blade holder 44 meets the cutting size requirements, and the cutting blades 45 are set inside the placement frame 33. After rotating the fixing knob 43 to lock the adjusting sleeve 42, the sliding frame 41 can be pushed directly, so that the sliding frame 41 slides on the top of the fixed frame 31 under the guide frame of the internal guide blocks on both sides. At this time, the cutting blades 45 quickly cut the silicone rubber. The cut strip will fall from between the placement frames 33 into the narrow space, which is difficult to remove. Simply pull the insert plate 2 directly out from the inside of the support base 1, and the strip that fell on the top of the insert plate 2 can be quickly removed.

[0025] It should be noted that the parts not covered in this utility model are the same as or can be implemented using existing technology; the various drives in this utility model can be implemented by corresponding power structures such as cylinders, oil cylinders, electric cylinders, and motors in conjunction with connecting rods, guide rods, etc., and are not limited to the structures described in the specification and the drawings.

[0026] In the description of the embodiments of this utility model, unless otherwise expressly specified and limited, the terms "installed," "connected," "linked," "set up," "equipped with," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A strip cutting device for testing the tensile strength of silicone rubber, comprising a support base (1), an insert plate (2) clamped to the inner side of the bottom of the support base (1), a clamping mechanism (3) fixedly disposed on the top of the support base (1), and a cutting mechanism (4) movably connected to the clamping mechanism (3), characterized in that: The inner side of the support base (1) is provided with a slot that mates with the insert plate (2), and the bottom of the insert plate (2) is in contact with the inner bottom of the support base (1); The clamping mechanism (3) includes a fixed frame (31), a guide bar (32), a placement frame (33), a connecting frame (34), a pressure knob (35), and a locking knob (36). The guide bar (32) is fixedly installed at the top of both ends of the fixed frame (31). The placement frame (33) is movably connected to the guide bar (32). The connecting frame (34) is fixedly installed at the top of the inner side of the placement frame (33). The pressure knob (35) is movably connected to the top of the connecting frame (34). The locking knob (36) is threadedly connected to one end of the placement frame (33).

2. The strip cutting device for testing the tensile strength of silicone rubber according to claim 1, characterized in that: The cutting mechanism (4) includes a sliding frame (41), an adjusting sleeve (42), a fixing knob (43), a blade holder (44), and a cutting blade (45). The adjusting sleeve (42) is fitted onto the top of the sliding frame (41). The fixing knob (43) is connected to the top of the adjusting sleeve (42) by a thread. The blade holder (44) is fixedly installed inside the adjusting sleeve (42). The cutting blade (45) is inserted into the blade holder (44) and fixed by screws.

3. The strip cutting device for testing the tensile strength of silicone rubber according to claim 1, characterized in that: The bottom of both ends of the placement rack (33) is provided with guide grooves that cooperate with the guide strip (32), and one end of the locking knob (36) passes through the placement rack (33) and contacts the outside of the guide strip (32).

4. The strip cutting device for testing the tensile strength of silicone rubber according to claim 2, characterized in that: The sliding frame (41) has guide blocks inside on both sides, and the fixed frame (31) has guide grooves on both sides that cooperate with it.

5. The strip cutting device for testing the tensile strength of silicone rubber according to claim 1, characterized in that: One end of the insert plate (2) extends through and to the outside of one side of the support base (1), and a handle is provided at the end of the insert plate (2).

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