CN215833151U - Stable tensile test machine of centre gripping - Google Patents

Stable tensile test machine of centre gripping Download PDF

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Publication number
CN215833151U
CN215833151U CN202122025160.XU CN202122025160U CN215833151U CN 215833151 U CN215833151 U CN 215833151U CN 202122025160 U CN202122025160 U CN 202122025160U CN 215833151 U CN215833151 U CN 215833151U
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supporting block
fixedly mounted
block
upper supporting
detection table
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CN202122025160.XU
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Chinese (zh)
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张垚磊
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Chongqing Fangcun Textile Technology Co ltd
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Chongqing Fangcun Textile Technology Co ltd
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Abstract

The utility model discloses a tension testing machine with stable clamping, which comprises a base, wherein a detection table is fixedly arranged on the base, a first clamping assembly and a second clamping assembly are arranged on the detection table, an air cylinder seat is arranged on the base, and an air cylinder is fixedly arranged on the air cylinder seat; the first clamping assembly comprises a fixed seat fixedly arranged on the detection table, the second clamping assembly comprises a movable seat in sliding fit with the detection table, a first connecting block is fixedly arranged on the movable seat, a second connecting block is fixedly arranged on a piston rod of the air cylinder, and the first connecting block is connected with the second connecting block through a tension sensor; the fixed seat and the movable seat are respectively and fixedly provided with a first lower supporting block and a second lower supporting block, the first lower supporting block and the second lower supporting block are correspondingly provided with a first upper supporting block and a second upper supporting block, the detection table is provided with a power mechanism, and the power mechanism drives the first upper supporting plate and the second upper supporting plate to synchronously move through a transmission mechanism. This application has simple structure, and the centre gripping is stable, advantage that the testing result precision is high.

Description

Stable tensile test machine of centre gripping
Technical Field
The utility model relates to the technical field of cloth detection, in particular to a tension testing machine with stable clamping.
Background
After the cloth is produced and processed, the tension of the cloth needs to be tested. When the existing testing device is used for carrying out tension testing on cloth, two clamping devices are used for clamping two ends of the cloth, then one clamping device moves towards a direction far away from the other clamping device, and a tension sensor is used for detecting tension born by the cloth.
However, when the two ends of the cloth are clamped at present, the clamping force of the clamping device on the cloth is inconsistent, so that the cloth is stressed unevenly in the detection process, and the accuracy of a final detection result is influenced.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides a simple structure, and the centre gripping is stable, the stable tensile test machine of centre gripping that the testing result precision is high.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a stable-clamping tensile test machine comprises a base, wherein a detection table is fixedly mounted on the base, a first clamping assembly and a second clamping assembly are arranged on the detection table, an air cylinder seat is mounted on the base, an air cylinder is fixedly mounted on the air cylinder seat, and a piston rod of the air cylinder is horizontally arranged;
the first clamping assembly comprises a fixed seat fixedly arranged on the detection table, the second clamping assembly comprises a movable seat in sliding fit with the detection table, a first connecting block is fixedly arranged on the movable seat opposite to a piston rod of the air cylinder, a second connecting block is fixedly arranged on the piston rod of the air cylinder, and the first connecting block is connected with the second connecting block through a tension sensor;
the detection table is characterized in that a first lower supporting block and a second lower supporting block are fixedly mounted on the fixed seat and the movable seat respectively, a first upper supporting block and a second upper supporting block are correspondingly arranged on the first lower supporting block and the second lower supporting block, a power mechanism is mounted on the detection table, and the power mechanism drives the first upper supporting plate and the second upper supporting plate to synchronously move through a transmission mechanism.
Like this, place the both ends of cloth respectively under first pop-up block and first tray, second pop-up block and the second between the tray, power unit drives the synchronous downstream of first pop-up block and second pop-up block through drive mechanism and compresses tightly the both ends of cloth, and after compressing tightly the completion, power unit removes power, and the piston rod shrink of cylinder drives force transducer and movable seat and removes to the direction of keeping away from the fixing base, detects the registration through force transducer. The tension sensor is an existing sensor and is directly assembled for use. The first upper supporting block and the second upper supporting block are driven to synchronously move downwards through the power mechanism and the transmission mechanism, so that the two ends of the cloth are synchronously pressed, the pressing forces are the same, and the accuracy of the detection result is improved.
Wherein the power mechanism comprises a supporting plate fixedly arranged on the detection platform, the upper end of the supporting plate is fixedly provided with an installation plate, the mounting plate is arranged above the first upper supporting block and the second upper supporting block, a chain wheel shaft is matched on the mounting plate in a sliding way corresponding to the first upper supporting block and the second upper supporting block, the chain wheel shaft is fixedly provided with a driven chain wheel, the chain wheel shaft is arranged on the supporting plate through a bearing, the supporting plate is positioned above the mounting plate, the outer side of the chain wheel shaft is sleeved with a compression spring, the compression spring is positioned between the mounting plate and the supporting plate, a rotating shaft is rotatably arranged on the supporting plate, a driving chain wheel is fixedly arranged on the rotating shaft, the driving chain wheel is in transmission connection with a driven chain wheel through a transmission chain, the upper end fixed mounting of pivot has the carousel, the carousel makes progress fixed mounting and has the handle, the lower extreme of sprocket shaft is located the mounting panel below and is connected with drive mechanism. The handle is rotated to drive the turntable and the rotating shaft to rotate, the chain wheel shaft is driven to rotate through the driving chain wheel, the transmission chain and the driven chain wheel, the compression spring is pressed through the downward pressing supporting plate, the chain wheel shaft moves downwards and is connected with the transmission mechanism to transmit power, after power transmission is completed, the supporting plate is loosened, the compression spring resets, the gear shaft is driven to move upwards, connection with the transmission mechanism is removed, and tensile testing is facilitated.
The transmission mechanism comprises screw rods which are respectively screwed and matched with the two ends of the first upper supporting block and the second upper supporting block, the lower ends of the screw rods are rotatably connected with the first lower supporting block and the second lower supporting block through bearings, chain discs are fixedly mounted on the screw rods correspondingly, the chain discs on the two screw rods on the first upper supporting block are connected through chain transmission, the chain discs on the two screw rods on the second upper supporting block are connected through chain transmission, gears are fixedly mounted at the lower ends of the chain wheel shafts, gear sleeves are fixedly mounted on the screw rods corresponding to the gears, the gear sleeves are provided with inner gear rings meshed with the gears, and balancing weights are fixedly mounted on the screw rods which are not provided with the gear sleeves. The layer board is pushed down, and the sprocket shaft drives the gear and gets into in the tooth cover (if unable entering, then rotate the pivot for the gear with the tooth cover meshing can), rotate the pivot, drive the screw rod through the sprocket shaft and rotate, under the effect of chain dish and chain, make four screw rods rotate in step, drive briquetting downstream on first and the second, compress tightly in step the both ends of cloth. After the pressing is finished, the supporting plate is loosened, and the gear is separated from the gear sleeve under the action of the compression spring.
Wherein, it is used for carrying out spacing stopper to the sliding seat to examine fixed mounting on the platform. The position of the movable seat is convenient to limit, and the transmission effect is convenient to improve.
The detection table is provided with guide rails, the guide rails are located on two sides of the air cylinder, and the lower end of the movable seat is fixedly provided with a sliding block in sliding fit with the guide rails. The movement of the movable seat is convenient to guide.
The first upper supporting block and the second upper supporting block are arc-shaped blocks, and the first lower supporting block and the second lower supporting block are provided with arc surfaces. The contact area is increased, and the pressing force is improved.
And the surface of the first upper supporting block corresponding to the first lower supporting block and the surface of the second upper supporting block corresponding to the second lower supporting block are fixedly provided with pressing teeth. Improve and compress tightly the effect, avoid the cloth tip roll-off.
To sum up, this stable tensile test machine of centre gripping has simple structure, and the centre gripping is stable, advantage that the testing result precision is high.
Drawings
Fig. 1 is a schematic structural view of a stable clamping tensile testing machine according to the present invention.
Fig. 2 is a schematic view of the power mechanism and the transmission mechanism in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-2, a stable clamping tension tester comprises a base 1, a testing table 2 is fixedly mounted on the base, a first clamping assembly and a second clamping assembly are arranged on the testing table, an air cylinder seat is mounted on the base, an air cylinder 3 is fixedly mounted on the air cylinder seat, and a piston rod of the air cylinder is horizontally arranged;
the first clamping assembly comprises a fixed seat 4 fixedly arranged on the detection table, the second clamping assembly comprises a movable seat 5 in sliding fit with the detection table, a first connecting block is fixedly arranged on the movable seat opposite to a piston rod of the air cylinder, a second connecting block is fixedly arranged on the piston rod of the air cylinder, and the first connecting block is connected with the second connecting block through a tension sensor 6;
the detection table is characterized in that a first lower supporting block 7 and a second lower supporting block 8 are fixedly mounted on the fixed seat and the movable seat respectively, a first upper supporting block 9 and a second upper supporting block 10 are correspondingly arranged on the first lower supporting block and the second lower supporting block, and a power mechanism is mounted on the detection table and drives the first upper supporting plate and the second upper supporting plate to move synchronously through a transmission mechanism.
Like this, place the both ends of cloth respectively under first pop-up block and first tray, second pop-up block and the second between the tray, power unit drives the synchronous downstream of first pop-up block and second pop-up block through drive mechanism and compresses tightly the both ends of cloth, and after compressing tightly the completion, power unit removes power, and the piston rod shrink of cylinder drives force transducer and movable seat and removes to the direction of keeping away from the fixing base, detects the registration through force transducer. The tension sensor is an existing sensor and is directly assembled for use. The first upper supporting block and the second upper supporting block are driven to synchronously move downwards through the power mechanism and the transmission mechanism, so that the two ends of the cloth are synchronously pressed, the pressing forces are the same, and the accuracy of the detection result is improved.
Wherein, power unit includes fixed mounting and examines backup pad 11 on examining the test table, the upper end fixed mounting of backup pad has mounting panel 12, the mounting panel sets up the top at first pop-up block and second pop-up block, it has sprocket shaft 13 to correspond first pop-up block and second pop-up block sliding fit on the mounting panel, the epaxial fixed mounting of sprocket has driven sprocket, the sprocket shaft passes through the bearing and installs on layer board 14, the layer board is located the mounting panel top, compression spring 15 has been cup jointed in the outside of sprocket shaft, compression spring is located between mounting panel and the layer board, it has pivot 16 to rotate on the layer board, fixed mounting has drive sprocket in the pivot, drive sprocket passes through drive chain 17 transmission with driven sprocket and is connected, the upper end fixed mounting of pivot has carousel 18, the carousel upwards fixed mounting has handle 19, the lower end of the chain wheel shaft is located below the mounting plate and connected with the transmission mechanism. The handle is rotated to drive the turntable and the rotating shaft to rotate, the chain wheel shaft is driven to rotate through the driving chain wheel, the transmission chain and the driven chain wheel, the compression spring is pressed through the downward pressing supporting plate, the chain wheel shaft moves downwards and is connected with the transmission mechanism to transmit power, after power transmission is completed, the supporting plate is loosened, the compression spring resets, the gear shaft is driven to move upwards, connection with the transmission mechanism is removed, and tensile testing is facilitated.
The transmission mechanism comprises screw rods 21 which are respectively screwed and matched with two ends of a first upper supporting block and a second upper supporting block, the lower ends of the screw rods are rotatably connected with the first lower supporting block and the second lower supporting block through bearings, chain discs are correspondingly and fixedly installed on the screw rods, the chain discs on the two screw rods on the first upper supporting block are in transmission connection through chains 22, the chain discs 22 on the two screw rods on the second upper supporting block are in transmission connection through chains, gears 23 are fixedly installed at the lower ends of the chain wheel shafts, gear sleeves 24 are fixedly installed on the screw rods corresponding to the gears, the gear sleeves are provided with inner gear rings meshed with the gears, and balancing weights 25 are fixedly installed on the screw rods which are not provided with the gear sleeves. The layer board is pushed down, and the sprocket shaft drives the gear and gets into in the tooth cover (if unable entering, then rotate the pivot for the gear with the tooth cover meshing can), rotate the pivot, drive the screw rod through the sprocket shaft and rotate, under the effect of chain dish and chain, make four screw rods rotate in step, drive briquetting downstream on first and the second, compress tightly in step the both ends of cloth. After the pressing is finished, the supporting plate is loosened, and the gear is separated from the gear sleeve under the action of the compression spring.
Wherein, detect on the platform fixed mounting have and be used for carrying out spacing stopper 26 to the sliding seat. The position of the movable seat is convenient to limit, and the transmission effect is convenient to improve.
The detection table is provided with guide rails 27, the guide rails are located on two sides of the cylinder, and sliding blocks in sliding fit with the guide rails are fixedly mounted at the lower ends of the movable seats. The movement of the movable seat is convenient to guide.
The first upper supporting block and the second upper supporting block are arc-shaped blocks, and the first lower supporting block and the second lower supporting block are provided with arc surfaces. The contact area is increased, and the pressing force is improved.
And the surface of the first upper supporting block corresponding to the first lower supporting block and the surface of the second upper supporting block corresponding to the second lower supporting block are fixedly provided with pressing teeth. Improve and compress tightly the effect, avoid the cloth tip roll-off.
Specifically, the tension sensor further comprises a display connected with the tension sensor and used for displaying tension readings.
The principle is as follows:
the two ends of the cloth are placed between the first upper supporting block and the first lower supporting block respectively, the second upper supporting block and the second lower supporting block respectively, the power mechanism drives the first upper supporting block and the second upper supporting block to synchronously move downwards through the transmission mechanism so as to compress the two ends of the cloth, after the compression is completed, the power mechanism removes power, a piston rod of the air cylinder contracts to drive the tension sensor and the movable seat to move in the direction far away from the fixed seat, and the indicating number is detected through the tension sensor. The tension sensor is an existing sensor and is directly assembled for use. The first upper supporting block and the second upper supporting block are driven to synchronously move downwards through the power mechanism and the transmission mechanism, so that the two ends of the cloth are synchronously pressed, the pressing forces are the same, and the accuracy of the detection result is improved.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (7)

1. A stable-clamping tension testing machine is characterized by comprising a base, wherein a detection table is fixedly mounted on the base, a first clamping assembly and a second clamping assembly are arranged on the detection table, a cylinder seat is mounted on the base, a cylinder is fixedly mounted on the cylinder seat, and a piston rod of the cylinder is horizontally arranged;
the first clamping assembly comprises a fixed seat fixedly arranged on the detection table, the second clamping assembly comprises a movable seat in sliding fit with the detection table, a first connecting block is fixedly arranged on the movable seat opposite to a piston rod of the air cylinder, a second connecting block is fixedly arranged on the piston rod of the air cylinder, and the first connecting block is connected with the second connecting block through a tension sensor;
the detection table is characterized in that a first lower supporting block and a second lower supporting block are fixedly mounted on the fixed seat and the movable seat respectively, a first upper supporting block and a second upper supporting block are correspondingly arranged on the first lower supporting block and the second lower supporting block, a power mechanism is mounted on the detection table, and the power mechanism drives the first upper supporting plate and the second upper supporting plate to synchronously move through a transmission mechanism.
2. The stably-clamping tensile testing machine according to claim 1, wherein the power mechanism includes a supporting plate fixedly mounted on the testing table, a mounting plate is fixedly mounted at an upper end of the supporting plate, the mounting plate is disposed above the first and second mounting blocks, a sprocket shaft is slidably fitted on the mounting plate corresponding to the first and second mounting blocks, a driven sprocket is fixedly mounted on the sprocket shaft, the sprocket shaft is mounted on the supporting plate through a bearing, the supporting plate is located above the mounting plate, a compression spring is sleeved on an outer side of the sprocket shaft, the compression spring is located between the mounting plate and the supporting plate, a rotating shaft is rotatably mounted on the supporting plate, a driving sprocket is fixedly mounted on the rotating shaft, the driving sprocket is in transmission connection with the driven sprocket through a transmission chain, and a turntable is fixedly mounted at an upper end of the rotating shaft, the carousel is the fixed mounting that makes progress has the handle, the lower extreme of sprocket shaft is located the mounting panel below and is connected with drive mechanism.
3. The tension testing machine with stable clamping function as claimed in claim 2, wherein the transmission mechanism comprises screws respectively screwed and fitted at two ends of the first upper supporting block and the second upper supporting block, the lower ends of the screws are rotatably connected with the first lower supporting block and the second lower supporting block through bearings, chain plates are correspondingly and fixedly mounted on the screws, the chain plates on the two screws on the first upper supporting block are connected through chain transmission, the chain plates on the two screws on the second upper supporting block are connected through chain transmission, a gear is fixedly mounted at the lower end of the chain wheel shaft, a gear sleeve is fixedly mounted on the screw corresponding to the gear, the gear sleeve has an inner gear ring meshed with the gear, and a balancing weight is fixedly mounted on the screw not provided with the gear sleeve.
4. The tension testing machine with stable clamping function as claimed in claim 1, wherein a limiting block for limiting the movable seat is fixedly mounted on the detection table.
5. The stably-clamped tension testing machine as claimed in claim 1, wherein the testing table is provided with guide rails, the guide rails are located on two sides of the cylinder, and a sliding block slidably engaged with the guide rails is fixedly mounted at a lower end of the movable seat.
6. The tension testing machine with stable clamping function as claimed in claim 1, wherein the first and second upper supporting blocks are arc-shaped blocks, and the first and second lower supporting blocks are arc-shaped surfaces.
7. The tension testing machine with stable clamping function as claimed in claim 1, wherein the first upper supporting block is fixedly provided with press teeth corresponding to the surface of the first lower supporting block, and the second upper supporting block is fixedly provided with press teeth corresponding to the surface of the second lower supporting block.
CN202122025160.XU 2021-08-26 2021-08-26 Stable tensile test machine of centre gripping Active CN215833151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122025160.XU CN215833151U (en) 2021-08-26 2021-08-26 Stable tensile test machine of centre gripping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122025160.XU CN215833151U (en) 2021-08-26 2021-08-26 Stable tensile test machine of centre gripping

Publications (1)

Publication Number Publication Date
CN215833151U true CN215833151U (en) 2022-02-15

Family

ID=80197075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122025160.XU Active CN215833151U (en) 2021-08-26 2021-08-26 Stable tensile test machine of centre gripping

Country Status (1)

Country Link
CN (1) CN215833151U (en)

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