Vertical leather cold-resistant extension testing machine

Abstract

The utility model relates to the technical field of testing machines, and discloses a vertical leather cold-resistant telescopic testing machine which comprises a main body mechanism and an auxiliary testing mechanism, the auxiliary testing mechanism is located on the right side of the main body mechanism, and the main body mechanism comprises a fixed bottom plate, a first partition plate, a bearing groove, a driving motor, a double-face threaded rod and a movable nut. The first partition plate is fixedly installed on the left side of the upper end of the fixed bottom plate. According to the vertical leather cold-resistant telescopic testing machine, through the use of the main body mechanism, the vertical leather cold-resistant telescopic testing machine is moved to a simulated low-temperature experiment area during use, a driving motor operates to drive a double-sided threaded rod to rotate, so that a movable nut at the outer end of the double-sided threaded rod moves oppositely, and an electric push rod above the inner side of a U-shaped clamping plate operates to push a push rod to move downwards; the leather is clamped on the rubber pad below the inner side of the U-shaped clamping plate through the clamping plate, and is repeatedly subjected to a tensile experiment through the repeated forward rotation and reverse rotation of the driving motor, so that the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of testing machines, in particular to a vertical leather cold-resistant expansion and contraction testing machine. Background Art

[0002] During the process of human evolution, people discovered that some plant juices or mineral oils have certain tanning properties for leather. The raw leather is soaked in juice and becomes more breathable and anti-corrosive, thus making the board have physical and chemical properties such as softness, tear resistance, and bending resistance. The leather of this period truly possesses the characteristics of leather products.

[0003] Leather is a denatured, non-perishable animal skin obtained through physical and chemical processes such as depilation and tanning. Leather is made of natural protein fibers tightly woven in three dimensions, with a special grain layer on the surface, natural grain and luster, and a comfortable feel.

[0004] The existing vertical leather cold-resistance expansion and contraction testing machine is not convenient for automatically clamping the leather and performing repeated tensile tests on it when in use, so that the practicality of the testing machine is reduced and it is not convenient to use. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model aims to provide a vertical leather cold-resistance expansion and contraction testing machine to solve the problem in the above-mentioned background technology that it is inconvenient to automatically clamp the leather and perform repeated tensile tests on it during use, thereby reducing the practicality of the testing machine during use.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical leather cold-resistant expansion and contraction testing machine, comprising a main body mechanism and an auxiliary testing mechanism, wherein the auxiliary testing mechanism is located on the right side of the main body mechanism, and the main body mechanism comprises a fixed base plate, a first partition plate, a bearing groove, a driving motor, a double-sided threaded rod and a movable nut, wherein the first partition plate is fixedly mounted on the left side of the upper end of the fixed base plate, the bearing groove is fixedly arranged in the middle of the right side of the first partition plate, the driving motor is fixedly mounted on the right end of the inner side of the bearing groove, the double-sided threaded rod is movably mounted on the transmission end of the left end of the driving motor, the movable nuts are evenly distributed on the outer end of the double-sided threaded rod, and the movable nuts are threadedly connected to the outer end of the double-sided threaded rod.

[0009] Preferably, the main body mechanism also includes a U-shaped clamping plate and an electric push rod, the U-shaped clamping plate is fixedly mounted on the right end of the movable nut, and the electric push rod is fixedly mounted on the middle part of the upper end of the inner side of the U-shaped clamping plate.

[0010] Preferably, the main body mechanism also includes a pushing rod, a clamping plate and a rubber pad, the pushing rod is movably mounted on the lower end of the electric push rod, the clamping plate is fixedly mounted on the lower end of the pushing rod, and the rubber pad is fixedly arranged below the inner side of the U-shaped clamping plate.

[0011] Preferably, the auxiliary testing mechanism includes a second partition, a servo motor, a transmission shaft, a circular fixing fixture, a placement base plate, a shock-absorbing damper, a piston, a shock-absorbing spring, a load-bearing plate, a support column leg and an anti-slip pad. The second partition is fixedly installed on the right side of the upper end of the fixed base plate. The second partition is located on the right side of the first partition, and the servo motor is fixedly installed in the middle of the left end of the second partition.

[0012] Preferably, the transmission shaft is movably mounted on the transmission end of the left end of the servo motor, the circular fixing fixture is movably mounted on the left end of the transmission shaft, and the placement base plate is fixedly mounted on the lower end of the fixed base plate.

[0013] Preferably, the shock-absorbing dampers are evenly distributed below the base plate, the piston is movably mounted on the upper end of the shock-absorbing dampers, the shock-absorbing spring is movably mounted on the outer end of the shock-absorbing dampers, and the upper surface of the piston is fixedly connected to the lower surface of the base plate.

[0014] Preferably, the load-bearing plate is fixedly mounted on the lower end of the shock-absorbing damper, the support column legs are evenly distributed on the lower end of the load-bearing plate, and the anti-slip pad is fixedly mounted on the lower end of the support column legs.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The vertical leather cold-resistant expansion and contraction testing machine, through the use of the main body mechanism, can be moved to the simulated low-temperature experimental area when in use, and the double-sided threaded rod is driven to rotate by the operation of the driving motor to make the movable nut at the outer end move oppositely, and the electric push rod on the upper inner side of the U-shaped clamping plate is operated to make the push rod move downward, and the leather is clamped on the rubber pad on the lower inner side of the U-shaped clamping plate by the clamping plate, and the tensile test is repeatedly performed by the repeated forward and reverse rotation of the driving motor, which is more convenient to use;

[0017] 2. The vertical leather cold-resistant expansion and contraction testing machine, through the use of auxiliary testing mechanisms, enables the leather to be clamped into the groove of the circular fixing fixture during use, and the transmission shaft is driven to rotate by the operation of the servo motor, and the circular fixing fixture is driven to rotate by the rotation of the transmission shaft to test the flexibility of the leather. Through the use of shock-absorbing dampers, pistons and shock-absorbing springs, it can effectively reduce the shock and buffer the equipment above it during the experiment, making the experiment more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a detailed structural diagram of the main mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the detailed structure of the partial main mechanism of the utility model;

[0021] Figure 4 This is a detailed structural diagram of the local auxiliary testing mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the partially enlarged detailed structure of the main mechanism of the utility model.

[0023] In the figure: 1. Main body; 101. Fixed base plate; 102. First partition; 103. Load-bearing groove; 104. Driving motor; 105. Double-sided threaded rod; 106. Movable nut; 107. U-shaped clamp; 108. Electric push rod; 109. Push rod; 110. Clamping plate; 111. Rubber pad; 2. Auxiliary testing mechanism; 201. Second partition; 202. Servo motor; 203. Transmission shaft; 204. Circular fixing fixture; 205. Placement base plate; 206. Shock-absorbing damper; 207. Piston; 208. Shock-absorbing spring; 209. Load-bearing plate; 210. Support column leg; 211. Anti-slip pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: a vertical leather cold resistance expansion and contraction testing machine, including a main body mechanism 1 and an auxiliary testing mechanism 2, the auxiliary testing mechanism 2 is located on the right side of the main body mechanism 1, the main body mechanism 1 includes a fixed base plate 101, a first partition plate 102, a bearing groove 103, a driving motor 104, a double-sided threaded rod 105 and a movable nut 106, the first partition plate 102 is fixedly installed on the left side of the upper end of the fixed base plate 101, the bearing groove 103 is fixedly arranged in the middle of the right side of the first partition plate 102, the driving motor 104 is fixedly installed on the right end of the inner side of the bearing groove 103, the double-sided threaded rod 105 is movably installed on the transmission end of the left end of the driving motor 104, the movable nuts 106 are evenly distributed on the outer ends of the double-sided threaded rods 105, and the movable nuts 106 are threadedly connected to the outer ends of the double-sided threaded rods 105.

[0026] The main body mechanism 1 also includes a U-shaped clamp 107 and an electric push rod 108. The U-shaped clamp 107 is fixedly installed on the right end of the movable nut 106, and the electric push rod 108 is fixedly installed in the middle of the upper end of the inner side of the U-shaped clamp 107. The main body mechanism 1 also includes a pushing rod 109, a clamping plate 110 and a rubber pad 111. The pushing rod 109 is movably installed on the lower end of the electric push rod 108, the clamping plate 110 is fixedly installed on the lower end of the pushing rod 109, and the rubber pad 111 is fixedly arranged at the lower part of the inner side of the U-shaped clamp 107.

[0027] The auxiliary testing mechanism 2 includes a second partition 201, a servo motor 202, a transmission shaft 203, a circular fixing fixture 204, a placement base plate 205, a shock absorbing damper 206, a piston 207, a shock absorbing spring 208, a load-bearing plate 209, a support column leg 210 and an anti-skid pad 211. The second partition 201 is fixedly installed on the right side of the upper end of the fixed base plate 101, the second partition 201 is located on the right side of the first partition 102, the servo motor 202 is fixedly installed in the middle of the left end of the second partition 201, the transmission shaft 203 is movably installed at the transmission end of the left end of the servo motor 202, and the circular fixing fixture 204 is movably installed. The shock absorbing damper 206 is evenly distributed below the placement base plate 205; the piston 207 is movably mounted on the upper end of the shock absorbing damper 206; the shock absorbing spring 208 is movably mounted on the outer end of the shock absorbing damper 206; the upper surface of the piston 207 is fixedly connected to the lower surface of the placement base plate 205; the load-bearing plate 209 is fixedly mounted on the lower end of the shock absorbing damper 206; the support column legs 210 are evenly distributed on the lower end of the load-bearing plate 209; and the anti-skid pad 211 is fixedly mounted on the lower end of the support column legs 210.

[0028] Working principle: When the vertical leather cold-resistance expansion and contraction testing machine is needed, it is moved to the simulated low-temperature experimental area, and the equipment is supported and placed by the support column leg 210 at the lower end of the load-bearing plate 209, and the anti-skid pad 211 at the lower end of the support column leg 210 makes it more stable. The placement base plate 205 at the upper end is damped by the shock-absorbing damper 206, the piston 207 and the shock-absorbing spring 208. The placement base plate 205 is fixedly connected to the fixed base plate 101 to reduce shock. The leather is clamped into the groove in the circular fixing fixture 204, and the running belt of the servo motor 202 is used. The driving shaft 203 rotates, and the circular fixing clamp 204 is driven to rotate through the rotation of the driving shaft 203 to test the flexibility of the leather. The double-sided threaded rod 105 is driven to rotate by the operation of the driving motor 104 to make the movable nut 106 at the outer end move toward each other. The electric push rod 108 on the upper inner side of the U-shaped clamp 107 is operated to make the push rod 109 move downward, and the leather is clamped on the rubber pad 111 on the lower inner side of the U-shaped clamp 107 through the clamping plate 110. The tensile test is repeated by repeatedly rotating the driving motor 104 forward and reversely, which is more convenient to use.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A vertical leather cold resistance expansion and contraction testing machine, comprising a main mechanism (1) and an auxiliary testing mechanism (2), characterized in that: The auxiliary testing mechanism (2) is located on the right side of the main mechanism (1). The main mechanism (1) comprises a fixed base plate (101), a first partition plate (102), a bearing groove (103), a driving motor (104), a double-sided threaded rod (105) and a movable nut (106). The first partition plate (102) is fixedly mounted on the left side of the upper end of the fixed base plate (101). The bearing groove (103) is fixedly arranged in the middle of the right side of the first partition plate (102). The driving motor (104) is fixedly mounted on the right end of the inner side of the bearing groove (103). The double-sided threaded rod (105) is movably mounted on the transmission end of the left end of the driving motor (104). The movable nuts (106) are evenly distributed on the outer ends of the double-sided threaded rods (105). The movable nuts (106) are threadedly connected to the outer ends of the double-sided threaded rods (105).

2. A vertical leather cold resistance expansion and contraction testing machine according to claim 1, characterized in that: The main body mechanism (1) further comprises a U-shaped clamping plate (107) and an electric push rod (108), wherein the U-shaped clamping plate (107) is fixedly mounted on the right end of the movable nut (106), and the electric push rod (108) is fixedly mounted on the middle part of the upper end of the inner side of the U-shaped clamping plate (107).

3. A vertical leather cold resistance expansion and contraction testing machine according to claim 2, characterized in that: The main body mechanism (1) further comprises a push rod (109), a clamping plate (110) and a rubber pad (111); the push rod (109) is movably mounted on the lower end of the electric push rod (108); the clamping plate (110) is fixedly mounted on the lower end of the push rod (109); and the rubber pad (111) is fixedly arranged below the inner side of the U-shaped clamping plate (107).

4. A vertical leather cold resistance expansion and contraction testing machine according to claim 3, characterized in that: The auxiliary testing mechanism (2) comprises a second baffle (201), a servo motor (202), a transmission shaft (203), a circular fixing fixture (204), a placement base plate (205), a shock absorbing damper (206), a piston (207), a shock absorbing spring (208), a load-bearing plate (209), a support column leg (210) and an anti-slip pad (211); the second baffle (201) is fixedly mounted on the right side of the upper end of the fixed base plate (101); the second baffle (201) is located on the right side of the first baffle (102); and the servo motor (202) is fixedly mounted in the middle of the left end of the second baffle (201).

5. A vertical leather cold resistance expansion and contraction testing machine according to claim 4, characterized in that: The transmission shaft (203) is movably mounted on the transmission end of the left end of the servo motor (202), the circular fixing fixture (204) is movably mounted on the left end of the transmission shaft (203), and the placement base plate (205) is fixedly mounted on the lower end of the fixed base plate (101).

6. A vertical leather cold resistance expansion and contraction testing machine according to claim 5, characterized in that: The shock absorbing dampers (206) are evenly distributed below the placement base plate (205), the piston (207) is movably mounted on the upper end of the shock absorbing dampers (206), the shock absorbing spring (208) is movably mounted on the outer end of the shock absorbing dampers (206), and the upper surface of the piston (207) is fixedly connected to the lower surface of the placement base plate (205).

7. A vertical leather cold resistance expansion and contraction testing machine according to claim 6, characterized in that: The load-bearing plate (209) is fixedly mounted on the lower end of the shock-absorbing damper (206), the support column legs (210) are evenly distributed on the lower end of the load-bearing plate (209), and the anti-slip pad (211) is fixedly mounted on the lower end of the support column legs (210).

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