Pressing fixing device for detecting elasticity of rubber product

Abstract

The utility model discloses a kind of pressing fixing devices for rubber product elasticity detection, it is related to elastic detection technical field, including jaw seat, symmetrically inserting screw rod is arranged in the inside of jaw seat, and the side of screw rod mutually close is connected by bearing and jaw, the side of jaw is respectively fixedly connected with guide column, the inside of jaw seat is equipped with the guide slot compatible with guide column, the front of jaw seat is distributed with fixed plate.The utility model is provided with L type board and inserting rod, in use process, by the setting of inserting rod, it can be locked in time after screw rod is adjusted in place, limit its axial and radial displacement, to ensure that the normal pressing head of jaw is fixed to sample, prevent sample from popping out to cause threat, provided with rubber board, when staff drive L type board to lift, by the four groups of rubber board of L type board bottom wall gluing, L type board and the outer wall of jaw seat can be prevented rigidly abut, to realize the external force suffered by L type board buffering.

Description

Technical Field

[0001] This utility model relates to the field of elasticity testing technology, and in particular to a pressing and fixing device for testing the elasticity of rubber products. Background Technology

[0002] In the field of performance testing of rubber products, elasticity testing is a key step in evaluating their quality and performance. When testing the elasticity of rubber products, special clamps are needed to press and fix the rubber products to ensure that the rubber products maintain a stable tensile posture during the testing process, thereby obtaining accurate and repeatable test data.

[0003] Currently, existing testing fixtures rely on operators rotating a handle to rotate a threaded rod, which in turn drives the jaws to move linearly, generating clamping force to compress and fix the sample. However, because rubber products generate significant elastic recovery force during stretching, this force continuously acts in the opposite direction on the fixture's threads, easily leading to thread loosening. This can cause the clamped sample or fixture parts to fly out at extremely high speeds, posing a serious safety threat to operators and equipment. Therefore, we propose a pressing and fixing device for testing the elasticity of rubber products to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a pressing and fixing device for testing the elasticity of rubber products.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A pressing and fixing device for testing the elasticity of rubber products includes a clamp base. Threaded rods are symmetrically inserted inside the clamp base, with the sides of the threaded rods close to each other connected to the clamp jaws via bearings. Guide posts are fixedly connected to the sides of the clamp jaws. Guide grooves adapted to the guide posts are formed inside the clamp base. Fixing plates are distributed on the front of the clamp base, and L-shaped plates are fitted onto the outer sides of the fixing plates. Insertion rods are fixedly connected to the bottom ends of the L-shaped plates. Grooves adapted to the insertion rods are evenly formed at the bottom ends of the guide posts. Column grooves are symmetrically formed on the front of the L-shaped plates, and insertion rods are inserted inside the column grooves. Connecting plates are fixedly connected to the ends of the insertion rods, and limiting rods are connected to the inner sides of the connecting plates. Grooves adapted to the limiting rods are formed at the upper and lower ends of the fixing plates.

[0006] Preferably, the fixing plate has symmetrical grooves at its upper and lower ends, and the interior of the grooves is connected to the outer wall of the clamp seat by bolts.

[0007] Preferably, the top of the L-shaped plate is provided with a strip groove, and a slider is fixedly connected to the inner wall of the strip groove. The side of the fixed plate is provided with a sliding groove that matches the slider.

[0008] Preferably, the top of the L-shaped plate is glued with a rubber sheet, and the rubber sheet is provided in four sets.

[0009] Preferably, a spring is fixedly connected to the inner wall of the column groove, and the other end of the spring is fixedly connected to the back of the plug rod.

[0010] Preferably, there are two sets of column slots and plug rods, and the two sets of column slots and plug rods are symmetrically distributed about the central axis of the connecting plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This device is equipped with an L-shaped plate and an insertion rod. During use, the insertion rod can be locked immediately after the threaded rod is adjusted to the correct position, limiting its axial and radial displacement. This ensures that the jaws can properly press the sample head and prevent the sample from popping out and causing a threat.

[0012] 2. This device is equipped with rubber plates. When the worker lifts the L-shaped plate, the four sets of rubber plates glued to the bottom wall of the L-shaped plate can prevent the L-shaped plate from making hard contact with the outer wall of the clamp seat, thereby buffering the external force on the L-shaped plate and protecting it. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of a pressing and fixing device for testing the elasticity of rubber products proposed in this utility model; Figure 2 for Figure 1 A three-dimensional cross-sectional schematic diagram of the clamp base and jaw structure; Figure 3 for Figure 1 A three-dimensional cross-sectional schematic diagram of the guide post and insertion rod structure in the middle; Figure 4 for Figure 1 A three-dimensional cross-sectional view of the connecting plate and rubber plate structure in the diagram; Figure 5 For the present utility model Figure 4 Enlarged schematic diagram of the structure at point A in the middle.

[0014] In the diagram: 1. Clamp base; 2. Threaded rod; 3. Clamp jaws; 4. Guide post; 5. Fixing plate; 6. L-shaped plate; 7. Insertion rod; 8. Insertion rod; 9. Connecting plate; 10. Limiting rod; 11. Spring; 12. Slider; 13. Slide groove; 14. Rubber plate. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figure 1-5 A pressing and fixing device for testing the elasticity of rubber products includes a clamp base 1. Threaded rods 2 are symmetrically inserted inside the clamp base 1, and the sides of the threaded rods 2 that are close to each other are connected to the jaws 3 via bearings. The installation principle of the clamp base 1 and the testing instrument is existing technology and will not be described in detail here. Guide posts 4 are fixedly connected to the sides of the jaws 3. A guide groove adapted to the guide post 4 is opened inside the clamp base 1. The lateral movement requirement of the guide post 4 can be met by opening the guide groove. A fixing plate 5 is distributed on the front of the clamp base 1, and an L-shaped plate 6 is sleeved on the outer side of the fixing plate 5. An insertion rod 7 is fixedly connected to the bottom end of the L-shaped plate 6. The bottom end of the 4 is evenly provided with slots that are compatible with the insertion rod 7. The front of the L-shaped plate 6 is symmetrically provided with column slots, and the insertion rod 8 is inserted into the column slot. The end of the insertion rod 8 is fixedly connected to the connecting plate 9, and the inner side of the connecting plate 9 is connected to the limiting rod 10. The upper and lower ends of the fixing plate 5 are provided with grooves that are compatible with the limiting rod 10. When the limiting rod 10 is inserted into the upper groove, the insertion rod 7 is inserted into the guide post 4 to lock the guide post 4, the jaw 3 and the threaded rod 2. When the limiting rod 10 is inserted into the lower groove, the insertion rod 7 can be pulled out from the inside of the guide post 4 to ensure the smooth sliding of the guide post 4.

[0017] Furthermore, refer to Figure 3 and Figure 4 It can be seen that the upper and lower ends of the fixing plate 5 are symmetrically provided with grooves, and the inside of the grooves is connected to the outer wall of the clamp seat 1 by bolts. The inner wall of the clamp seat 1 is provided with screw holes that are compatible with the bolts. The opening of the grooves can meet the bolt insertion requirements, thereby facilitating the operation of disassembling and assembling the fixing plate 5 by the staff, so as to realize the flexible replacement of damaged parts.

[0018] Furthermore, refer to Figure 3 It can be seen that the top of the L-shaped plate 6 is provided with a strip groove, and the inner wall of the strip groove is fixedly connected to a slider 12. The side of the fixed plate 5 is provided with a sliding groove 13 that matches the slider 12. When the L-shaped plate 6 moves vertically, the slider 12 connected to the inner wall of the strip groove can be subjected to force and slide along the inner wall of the sliding groove 13, thereby realizing the vertical guidance and limitation of the L-shaped plate 6, so as to ensure that the insertion rod 7 is accurately inserted into the groove at the bottom of the guide post 4.

[0019] Furthermore, refer to Figure 3 and Figure 4 It can be seen that the top of the L-shaped plate 6 is glued with a rubber plate 14, and there are four sets of rubber plates 14. The rubber plates 14, made of rubber material, can prevent the L-shaped plate 6 from colliding hard with the clamp seat 1, so as to protect the L-shaped plate 6. Since there are four sets of rubber plates 14, the impact force can be dispersed and buffered.

[0020] Furthermore, refer to Figure 5 It can be seen that a spring 11 is fixedly connected to the inner wall of the column groove, and the other end of the spring 11 is fixedly connected to the back of the plug rod 8. Through the connection of the spring 11, the reliability of the limit rod 10 when it is inserted into the groove inside the fixed plate 5 can be guaranteed.

[0021] Furthermore, refer to Figure 4 and Figure 5 It can be seen that there are two sets of column slots and plug rods 8, and the two sets of column slots and plug rods 8 are symmetrically distributed about the central axis of the connecting plate 9. In use, the stable lateral movement of the connecting plate 9 can be ensured by the mutual cooperation of the two sets of plug rods 8 and the connecting plate 9.

[0022] Working Principle: In use, the operator first installs two sets of clamp seats 1 at designated positions on the elasticity testing instrument. The two sets of clamp seats 1 are symmetrically distributed vertically. The operator then places the end of the sample between the two sets of clamp jaws 3. By rotating the handle at the end of the threaded rod 2, the clamp jaws 3 move laterally, thus compressing and fixing the sample. The operator then pulls the connecting plate 9, causing the insertion rod 8 to slide along the inner wall of the groove, and the limiting rod 10 can be pulled out from inside the fixing plate 5. The operator then lifts the L-shaped plate 6 to insert the insertion rod 7 into the corresponding slot at the bottom of the guide post 4. At this time, the limiting rod 10... The position of the positioning rod 10 corresponds to the position of the groove opened on the upper side of the fixing plate 5, so that it is embedded in the upper groove, thereby limiting and fixing the L-shaped plate 6. This limits the position of the guide post 4, thus preventing the threaded rod 2 from becoming loose. After the upper and lower ends of the sample are fixed in sequence, the drive component inside the testing instrument drives the upper clamp seat 1 to rise, so that the sample can be subjected to tensile testing. When it is necessary to remove the sample, the operator can pull the connecting plate 9 again and move the L-shaped plate 6 and the insertion rod 7 down, so that the operator can rotate the threaded rod 2 in the opposite direction to drive the jaw 3 to move laterally. The above is the entire working principle of this utility model.

[0023] In this utility model, the installation, connection or setting methods of all the components mentioned above are common mechanical methods, and the specific structure, model and coefficient index of all the components are their own technologies. As long as they can achieve their beneficial effects, they can be implemented, so they will not be described in detail.

[0024] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

[0025] In this utility model, unless otherwise stated, directional terms such as "up, down, left, right, front, back, inside, outside, and vertical and horizontal" in the terminology only represent the orientation of the term in its conventional use or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, numerals such as "first," "second," and "third" do not represent specific quantities or orders, but are only used to distinguish names. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A pressing and fixing device for testing the elasticity of rubber products, comprising a clamp base (1), characterized in that, The clamp seat (1) is symmetrically fitted with threaded rods (2), and the threaded rods (2) are connected to the jaws (3) on the side that are close to each other through bearings. The jaws (3) are fixedly connected with guide posts (4) on the side. The clamp seat (1) is provided with guide grooves that are compatible with the guide posts (4). The front of the clamp seat (1) is provided with fixing plates (5), and the outer side of the fixing plates (5) is fitted with L-shaped plates (6). The bottom end of the L-shaped plates (6) is fixedly connected with insertion rods (7). The bottom end of the guide posts (4) is evenly provided with slots that are compatible with the insertion rods (7). The front of the L-shaped plates (6) is symmetrically provided with column grooves, and the column grooves are fitted with insertion rods (8). The end of the insertion rods (8) is fixedly connected with connecting plates (9), and the inner side of the connecting plates (9) is connected with limit rods (10). The upper and lower ends of the fixing plates (5) are provided with grooves that are compatible with the limit rods (10).

2. The pressing and fixing device for testing the elasticity of rubber products according to claim 1, characterized in that, The upper and lower ends of the fixing plate (5) are symmetrically provided with grooves, and the interior of the grooves is connected to the outer wall of the clamp seat (1) by bolts.

3. The pressing and fixing device for testing the elasticity of rubber products according to claim 1, characterized in that, The top of the L-shaped plate (6) is provided with a strip groove, and the inner wall of the strip groove is fixedly connected with a slider (12). The side of the fixed plate (5) is provided with a sliding groove (13) that matches the slider (12).

4. The pressing and fixing device for testing the elasticity of rubber products according to claim 1, characterized in that, The top of the L-shaped plate (6) is glued with a rubber plate (14), and the rubber plate (14) is provided in four sets.

5. The pressing and fixing device for testing the elasticity of rubber products according to claim 1, characterized in that, A spring (11) is fixedly connected to the inner wall of the column groove, and the other end of the spring (11) is fixedly connected to the back of the plug rod (8).

6. The pressing and fixing device for testing the elasticity of rubber products according to claim 1, characterized in that, The column groove and the plug rod (8) are provided in two sets, and the two sets of column groove and plug rod (8) are symmetrically distributed about the central axis of the connecting plate (9).

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