CN102144829B - Bending fatigue testing machine for foot braces - Google Patents

Abstract

The invention relates to the technical field of shoe detection equipment, in particular to an instep belt bending fatigue testing machine, which comprises a base, a control box, a shoe placing plate capable of being adjusted up and down, a disc rotatably arranged on the base, a cross beam used for clamping the open end of the instep belt and capable of making circular arc reciprocating swing around the center of the disc, a driving motor and a transmission mechanism used for making the disc make circular arc reciprocating rotation around the center of the disc; the driving motor is arranged on the base and is in driving connection with the transmission mechanism, the transmission mechanism is in driving connection with the disc, and the control box is in control connection with the driving motor. The invention generates an arc reciprocating swing action through the mechanical structure, can truly simulate the scene of buckling and loosening of the foot straps in real life, and has scientific and reasonable detection result.

Description

Instep belt bending fatigue testing machine

Technical field:

The invention relates to the technical field of footwear testing equipment, in particular to an instep belt bending fatigue testing machine.

Background technique:

Modern people have higher and higher requirements for shoes, not only to be comfortable to wear, but also to be durable and look good. Generally speaking, the common characteristics of sole materials should be wear-resistant, water-resistant, oil-resistant, heat-resistant, pressure-resistant, impact-resistant, good elasticity, easy to fit the foot shape, not easy to change shape after setting, heat preservation, easy to absorb moisture, etc., the production process It is often necessary to perform corresponding performance tests on shoes.

The instep strap is a flat strap used to fasten the shoe opening on the upper. One end is connected to the upper by a Velcro strap, which can be used as a shoelace. In real life, because the instep strap is often fastened and loosened, a device is needed to perform a fatigue test on the instep strap. However, the existing instep belt bending fatigue testing machine cannot truly simulate the fastening and loosening of the instep belt in real life, and the test results are not scientific and reasonable enough.

Invention content:

The object of the present invention is to provide an instep strap bending fatigue testing machine aiming at the deficiencies of the prior art, which can truly simulate the fastening and loosening of the instep strap in real life, and the test results are scientific and reasonable.

To achieve the above object, the present invention adopts the following technical solutions:

Instep bending fatigue testing machine, which includes a machine base and a control box, it also includes a shoe placement plate that can be adjusted up and down, a disc that can be rotated on the machine base, and is used to clamp the open end of the instep band and can go around the center of the disc A crossbeam for circular arc reciprocating swing, a drive motor, and a transmission mechanism for making the disc reciprocate around the center of the disc; the drive motor is arranged on the machine base, and the drive motor drives and connects the transmission mechanism. The disk is driven and connected, and the control box is connected to the drive motor.

The transmission mechanism includes an eccentric wheel, a joint bearing, an adjustment rod, a rack and a gear, the driving motor drives and connects the eccentric wheel, the eccentric wheel is hinged with the joint bearing, the joint bearing connects one end of the adjustment rod, and the other end of the adjustment rod Hinged with one end of the rack, the rack meshes with the gear, and the gear is coaxially connected to the center of the disc.

The beam is provided with pressure blocks for clamping the open ends of the instep straps.

The eccentric wheel is provided with a screw rod and a nut threadedly connected with the screw rod, and the nut is hinged with the joint bearing.

It also includes an adjustment mechanism for driving the up and down displacement of the shoe placement plate.

The adjustment mechanism includes a fixed plate, a hand wheel, an adjustment screw, a linear bearing and a guide shaft. The fixed plate is fixed on the machine base, the linear bearing is arranged on the fixed plate, and the guide shaft passes through the linear bearing and is connected to the shoe placement plate. Said hand wheel is connected with one end of the adjusting screw rod, and the adjusting screw rod is screwed with the fixing plate and then connected with the shoes placement plate.

The base is provided with a dial matching the disc.

The beneficial effects of the present invention are:

The instep belt bending fatigue testing machine of the present invention includes a machine base and a control box, and it also includes a shoe placement plate that can be adjusted up and down, a disc that is rotatably arranged on the machine base, and is used for clamping the open end of the instep belt and A crossbeam that can swing back and forth in an arc around the center of the disc, a drive motor, and a transmission mechanism for making the disc reciprocate in an arc around the center of the disc; the drive motor is arranged on the machine base, and the drive motor is connected to the A transmission mechanism, the transmission mechanism drives and connects the disc, and the control box controls and connects the drive motor. The bending fatigue testing machine of the instep belt with the above-mentioned structure can produce a circular arc reciprocating swing action through the mechanical structure, which can truly simulate the buckling and loosening of the instep belt in real life, and the test results are scientific and reasonable.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is the internal structure schematic diagram of the present invention.

Detailed ways:

Below in conjunction with accompanying drawing, the present invention will be further described:

As shown in Figures 1 and 2, the instep belt bending fatigue testing machine according to the present invention includes a machine base 17, a control box, a shoe placement plate 10 that can be adjusted up and down, and a disc 1 that is rotatably arranged on the machine base 17. . A crossbeam 8 for clamping the open end of the instep belt and capable of swinging back and forth in a circular arc around the center of the disc 1, a drive motor 14, and a transmission mechanism for making the disc 1 reciprocate in a circular arc around the center of the disc 1; The driving motor 14 is arranged on the machine base 17 , the driving motor 14 is drivingly connected to the transmission mechanism, the transmission mechanism is drivingly connected to the disc 1 , and the control box is connected to the driving motor 14 . Further, the crossbeam 8 is provided with a pressing block 9 for clamping the open end of the instep strap, and the open end of the instep strap can be clamped conveniently and quickly only by tightening the pressing block 9 during clamping. Further, the base 17 is provided with a dial 16 matching the disc 1 , through which the angular range of the beam 8 reciprocating in a circular arc around the center of the disc 1 can be intuitively read.

As a preferred embodiment, the transmission mechanism includes an eccentric wheel 7, a joint bearing 5, an adjustment rod 4, a rack 2 and a gear 3, and the driving motor 14 drives and connects the eccentric wheel 7, and the eccentric wheel 7 and the joint bearing 5 Hinged, the joint bearing 5 is connected to one end of the adjusting rod 4, the other end of the adjusting rod 4 is hinged to one end of the rack 2, the rack 2 meshes with the gear 3, and the gear 3 is coaxially connected to the center of the disc 1. The transmission mechanism has the advantages of simple and compact structure, not only runs smoothly, but also has less vibration and less noise. Further, the eccentric wheel 7 is provided with a screw rod 6 and a nut threaded with the screw rod 6, and the nut is hinged with the joint bearing 5. By adjusting the screw rod, the angle of arc swing can be adjusted conveniently and quickly, which is suitable for Different testing needs.

As a preferred embodiment, the instep belt bending fatigue testing machine of the present invention also includes an adjustment mechanism for driving the shoe placement plate 10 to move up and down. Preferably, the adjustment mechanism includes a fixed plate, a hand wheel 13, and an adjustment screw. , the linear bearing 11 and the guide shaft 12, the fixed plate is fixedly arranged on the machine base 17, the linear bearing 11 is arranged on the fixed plate, the guide shaft 12 passes through the linear bearing 11 and is connected with the shoe placement plate 10, and the handwheel 13 is connected with the adjustment wire One end of the rod is connected with the shoes placement plate 10 after adjusting the screw rod to be screwed with the fixed plate. In this way, according to the size of various shoes, the hand wheel 13 can be rotated to adjust the screw rod. Under the guidance of the linear bearing 11 and the guide shaft 12, the shoe placement plate 10 can move up and down, so that the position of the shoes is suitable for the needs of the test. , can be applied to shoes of different sizes.

The instep belt bending fatigue testing machine of the present invention, its working principle is: the motor rotation that is fixed on the support 17, makes rack 2 move up and down by the transmission of eccentric wheel 7, joint bearing 5 and adjustment lever 4, and then drives The gear 3 with the same modulus enables the crossbeam 8 connected with the disk 1 to swing back and forth in an arc around the center of the disk 1, and the parameters can be displayed on the dial 16. The angle of the arc swing can be set by adjusting the position of the screw mandrel 6 on the eccentric wheel 7, and the arc starting position can also be set by rotating the adjusting rod 4. The shoes are fixed on the shoes placement plate 10, and the open end of the instep strap is fixed on the crossbeam 8 with a briquetting block 9, so that the action of fastening and loosening the instep strap in reality can be truly simulated during the movement. After a predetermined time and number of swings, check the instep strap for fatigue effects and damage. The invention generates a circular arc reciprocating swing action through the mechanical structure, which can truly simulate the fastening and loosening of the instep belt in real life, and can also conveniently adjust the swing angle and starting position, and is suitable for all kinds of instep belts shoes, the test results are more scientific and reasonable.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims (7)

1. instep band fatigue bending machine, it comprises support (17) and control cabinet, it is characterized in that: but it also comprise up-down adjustment shoes placing plate (10), the rotatable disk (1) that is arranged at support (17), be used for clamping instep band open end and can make crossbeam (8), the drive motors (14) of circular arc reciprocally swinging around disk (1) center, and be used for making disk (1) to make the transmission mechanism that circular arc back and forth rotates around disk (1) center; Described drive motors (14) is arranged at support (17), and drive motors (14) drives and connects described transmission mechanism, and transmission mechanism drives and connects described disk (1), the described drive motors of control cabinet control connection (14).

2. instep band fatigue bending machine according to claim 1, it is characterized in that: described transmission mechanism comprises eccentric wheel (7), oscillating bearing (5), adjusting rod (4), tooth bar (2) and gear (3), described drive motors (14) drives and connects described eccentric wheel (7), eccentric wheel (7) is hinged with oscillating bearing (5), oscillating bearing (5) connects an end of adjusting rod (4), one end of the other end of adjusting rod (4) and tooth bar (2) is hinged, tooth bar (2) and gear (3) engagement, the coaxial center that is connected in disk (1) of gear (3).

3. instep band fatigue bending machine according to claim 2, it is characterized in that: described crossbeam (8) is provided with the briquetting (9) for clamp feet braces open end.

4. instep band fatigue bending machine according to claim 2 is characterized in that: the nut that described eccentric wheel (7) is provided with screw mandrel (6) and is threaded with screw mandrel (6), described nut and oscillating bearing (5) are hinged.

5. instep band fatigue bending machine according to claim 1 is characterized in that: it also comprises for the governor motion that drives shoes placing plates (10) upper and lower displacement.

6. instep band fatigue bending machine according to claim 5, it is characterized in that: described governor motion comprises fixed head, handwheel (13), regulates screw mandrel, linear bearing (11) and guide shaft (12), fixed head is fixedly set in support (17), linear bearing (11) is arranged at fixed head, guide shaft (12) passes linear bearing (11) back and is connected with shoes placing plate (10), described handwheel (13) connects regulates screw mandrel one end, is connected with shoes placing plate (10) after regulating screw mandrel and fixed head being threaded.

7. according to each described instep band fatigue bending machine of claim 1 to 6, it is characterized in that: described support (17) is provided with the dial plate (16) with disk (1) coupling.

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