Tension testing machine

Abstract

The utility model discloses a tensile testing machine which comprises a rack, a control box, an up-down driving device, an electronic dynamometer and a positioning seat, the up-and-down driving device is arranged on the machine frame in the mode that the up-and-down driving device can move back and forth up and down and is electrically connected with the control box, the electronic dynamometer is arranged on the up-and-down driving device and is driven by the up-and-down driving device to move back and forth up and down, the clamping head is arranged at the lower end of the electronic dynamometer, and the positioning seat is arranged on the machine frame and located under the clamping head. The support is arranged on the rack, the cylindrical positioning part is rotatably arranged on the support, the two fixing parts are circumferentially arranged on the outer side face of the positioning part at intervals, the tensile testing machine is used for measuring the stripping force of a copper foil product, the number of operation steps is small, operation is easy, the testing efficiency is improved, the working hours of workers are reduced, and the production cost is reduced; manual work is replaced by a machine, it can be guaranteed that the pulling force of the electronic dynamometer is vertically upward during measurement, the measured value is more accurate, convenience is brought to production, and existing requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of testing machine especially refers to a tension testing machine. BACKGROUND

[0002] With the continuous development of society, more and more mechanical equipment is manufactured and widely applied to agriculture, industry and service. Mechanical equipment is various, and according to different needs of people, it is further innovated and plays an indispensable role in people's work and life. Mechanical equipment is everywhere. The internal structure of mechanical equipment is more and more complex, and the function is more and more various, and it is constantly improved. Mechanical equipment generally includes driving device, speed changing device, transmission device, working device, braking device, protection device, lubricating system, cooling system and the like. Different devices play different roles in mechanical equipment.

[0003] In the production process of the electronic industry, the process of measuring the copper foil layer and PI film peeling force on the copper foil product is generally involved. At present, many are manually positioned on the horizontal jig, then the torn PI film is clamped at one end to the electronic force gauge, the handle ring of the electronic force gauge is held vertically upward, the reading on the electronic force gauge is read out, the electronic force gauge is put down, the data is recorded, the above steps are repeated many times, the average value of the measured data is taken, and the final measurement tension is obtained. This operation mode has many steps and is complicated to operate, and the test efficiency is low, the worker's working hours are more, and the production cost is high. In addition, during the measurement, manual operation cannot guarantee that the tension of the electronic force gauge is vertical upward, and it is easy to tilt, which leads to inaccurate measurement value, brings inconvenience to production, and affects the test result, which cannot meet the existing demand. Therefore, it is necessary to study a new technical scheme to improve the above problems. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a tension testing machine, which can effectively solve the problems of manual measurement of copper foil peeling force, many operation steps, complicated operation, low test efficiency, more worker's working hours, high production cost, manual operation cannot guarantee that the tension of the electronic force gauge is vertical upward during measurement, it is easy to tilt, which leads to inaccurate measurement value, brings inconvenience to production, and affects the test result.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A tension testing machine, comprising a rack, a control box, up-down driving device, an electronic force gauge and a positioning seat; the control box is arranged on the rack; the up-down driving device is arranged on the rack and electrically connected with the control box; the electronic force gauge is arranged on the up-down driving device and driven by the up-down driving device to move up and down, and the lower end of the electronic force gauge is provided with a clamping head; the positioning seat is arranged on the rack and located directly below the clamping head, and comprises a support, a positioning part and two fixing parts; the support is arranged on the rack, the positioning part is rotatably arranged on the support, the positioning part is in a cylindrical structure, and the two fixing parts are arranged on the outer side of the positioning part.

[0007] As a preferred scheme, the rack comprises a base and a column, the base is provided with a test table, the column is longitudinally arranged on the test table, the control box is arranged at the front end of the base, the up-down driving device is arranged on the column and moves up and down, and the positioning seat is arranged on the test table.

[0008] As a preferred scheme, the up-down driving device comprises a cylinder and a fixing part; the cylinder is arranged inside the top end of the column; the fixing part is arranged at the output end of the cylinder and moves up and down driven by the cylinder; and the electronic force gauge is arranged on the fixing part and moves up and down with the fixing part.

[0009] As a preferred scheme, the clamping head comprises a left clamping block, a right clamping block and a clamping bolt; the left clamping block and the right clamping block are arranged opposite to each other; the left clamping block is provided with a left threaded hole; the right clamping block is provided with a right threaded hole; and the clamping bolt passes through the right threaded hole and the left threaded hole and is threadedly connected with the right threaded hole and the left threaded hole, which is simple to operate and convenient.

[0010] As a preferred scheme, a spring is further arranged on the clamping bolt and located between the left clamping block and the right clamping block.

[0011] As a preferred scheme, the lower end of the left clamping block and the right clamping block is provided with a sawtooth structure, which is beneficial to increase the friction and more firmly clamp the test product.

[0012] As a preferred scheme, the outer side of the positioning part is provided with a first threaded hole, the fixing part comprises a fixing block and a fixing bolt; the fixing block is provided with a second threaded hole; the second threaded hole is in communication with the first threaded hole; the fixing block is arranged on the outer side of the positioning part; and the fixing bolt connects the fixing block and the positioning part by passing through the second threaded hole and the first threaded hole.

[0013] As a preferred scheme, the fixing block is in a concave shape structure.

[0014] As a preferred solution, the control box comprises a control panel arranged on the frame, the control panel comprising a switch button, a lowering button, a raising button and a speed regulating knob.

[0015] The utility model discloses have obvious advantages and beneficial effects compared with prior art, specifically speaking, from the above technical scheme can know:

[0016] Through setting up the control box on the frame, the up-down driving device is movably arranged on the frame and is electrically connected with the control box, the electronic force gauge is arranged on the up-down driving device and is driven by the up-down driving device to move up and down, the clamping head is arranged at the lower end of the electronic force gauge, the positioning seat is arranged on the frame and is located directly below the clamping head, the positioning seat comprises a support, a positioning part and two fixing parts, the support is arranged on the frame, the positioning part is rotatably arranged on the support, the positioning part is a cylindrical structure, and the two fixing parts are arranged on the outer side surface of the positioning part, the two fixing parts are circumferentially and intervally arranged, the tensile testing machine with the structure is used to measure the peel strength of copper foil products, the operation steps are less, the operation is simple, the test efficiency is greatly improved, the worker's working hours are reduced, and the production cost is reduced, and the machine is used to replace manual work, when measuring, the tensile force of the electronic force gauge can be ensured to be vertically upward, the inclination does not occur, the measured value is more accurate, the production is facilitated, and the existing demand is met.

[0017] To make the structure features and effects of the utility model clearer, the utility model will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a three-dimensional structure schematic diagram of the preferred embodiment of the utility model;

[0019] Fig. 2 is a partial sectional view of the preferred embodiment of the utility model;

[0020] Fig. 3 is an exploded view of the clamping head in the preferred embodiment of the utility model;

[0021] Fig. 4 is a three-dimensional structure schematic diagram of the positioning seat in the preferred embodiment of the utility model.

[0022] Explanation of the figure mark:

[0023] 10, frame 11, base

[0024] 111, test table 12, stand

[0025] 20, control box 21, control panel

[0026] 22, switch button 23, down button

[0027] 24, up button 25, speed knob

[0028] 30, up-down driving device 31, air cylinder

[0029] 32, fixing member 40, electronic force gauge

[0030] 41, clamping head 411, left clamping block

[0031] 4111, left threaded hole 412, right clamping block

[0032] 4121, right threaded hole 413, clamping bolt

[0033] 42, spring 401, sawtooth structure

[0034] 50, positioning seat 51, support

[0035] 52, positioning part 53, fixing part

[0036] 531, fixing block 532, fixing bolt DETAILED DESCRIPTION

[0037] Please refer to Figs. 1 to 4 , which shows the specific structure of the preferred embodiment of the utility model, including rack 10, control box 20, up-down driving device 30, electronic force gauge 40 and positioning seat 50.

[0038] The control box 20 is arranged on the rack 10; in the embodiment, the rack 10 includes base 11 and stand 12, the base 11 is provided with test table 111, the stand 12 is longitudinally arranged on the test table 111, and the control box 20 is arranged at the front end of the base 11; the control box 20 includes control panel 21, the control panel 21 is arranged on the rack 10, and the control panel 21 includes switch button 22, down button 23, up button 24 and speed knob 25.

[0039] The up-down driving device 30 is arranged on the rack 10 and electrically connected with the control box 20; in the embodiment, the up-down driving device 30 is arranged on the stand 12; the up-down driving device 30 includes air cylinder 31 and fixing member 32, the air cylinder 31 is arranged inside the top end of the stand 12, and the fixing member 32 is arranged on the output end of the air cylinder 31 and driven by the air cylinder 31 to move up and down.

[0040] The electronic force gauge 40 is arranged on the up-down driving device 30 and is driven by the up-down driving device 30 to move up and down, and the lower end of the electronic force gauge 40 is provided with a clamping head 41; in the embodiment, the electronic force gauge 40 is arranged on the fixing member 32 and moves up and down with the fixing member 32; the clamping head 41 comprises a left clamping block 411, a right clamping block 412 and a clamping bolt 413, the left clamping block 411 and the right clamping block 412 are arranged opposite to each other, the left clamping block 411 is provided with a left threaded hole 4111, the right clamping block 412 is provided with a right threaded hole 4121, the clamping bolt 413 passes through the right threaded hole 4121 and the left threaded hole 4111 and is threadedly connected with the right threaded hole 4121 and the left threaded hole 4111, and the operation is simple and convenient; further, a spring 42 is arranged on the clamping bolt 413 and between the left clamping block 411 and the right clamping block 412; the lower end of the left clamping block 411 and the right clamping block 412 is provided with a sawtooth structure 401, which is beneficial to increase the friction and more firmly clamp the test product.

[0041] The positioning seat 50 is arranged on the rack 10 and directly below the clamping head 41, the positioning seat 50 comprises a support 51, a positioning part 52 and two fixing parts 53, the support 51 is arranged on the rack 10, the positioning part 52 is rotatably arranged on the support 51, the positioning part 52 is a cylindrical structure, and the two fixing parts 53 are arranged on the outer side of the positioning part 52 and are circumferentially spaced apart; in the embodiment, the positioning seat 50 is arranged on the test table 111; the outer side of the positioning part 52 is provided with a first threaded hole (not shown in the figure), the fixing part 53 comprises a fixing block 531 and a fixing bolt 532, the fixing block 531 is provided with a second threaded hole (not shown in the figure), the second threaded hole is in communication with the first threaded hole, the fixing block 531 is arranged on the outer side of the positioning part 52, and the fixing bolt 532 connects the fixing block 531 and the positioning part 52 by penetrating the second threaded hole and the first threaded hole; the fixing block 531 is a concave structure; specifically, the fixing bolt 532 is four, and the fixing block 531 is two, each two fixing bolts 532 are matched with the corresponding fixing block 531.

[0042] The working process of the embodiment is as follows:

[0043] In the embodiment, the tensile testing machine is used to detect the peeling force of the copper foil product. (The copper foil product is a structure in which a PI film is arranged on a copper foil layer, and the copper foil product is a long strip-shaped product)

[0044] First, tear a small part of the PI film and copper foil layer at one end of the copper foil product; then, place the copper foil product on the outer side of the positioning part 52 of the positioning seat 50, and place the end of the copper foil layer and the PI film together and the torn end of the copper foil layer on the corresponding fixed block 531 and the positioning part 52 respectively, and lock and fix the copper foil product by adjusting the fixed bolt 532; then, place the torn end of the PI film between the left clamping block 411 and the right clamping block 412, and clamp the PI film by adjusting the clamping bolt 413; then, zero the value of the electronic force gauge 40; click the switch button 22 to start the machine, click the rising button 24, and the up-down driving device 30 drives the electronic force gauge 40 and the clamping head 41 to move upwards, thereby pulling the end of the PI film upwards, reading the reading displayed on the electronic force gauge 40, measuring six points, and taking the average value of every two points, and determining that the average value is 0.8KGF or more as a qualified copper foil product; after the test is completed, the copper foil product can be removed from the positioning seat 50 and the clamping head 41.

[0045] The design focus of the utility model lies in:

[0046] By setting the control box on the rack, the up-down driving device is movably set on the rack and electrically connected with the control box, the electronic force gauge is set on the up-down driving device and driven by the up-down driving device to move up and down, the clamping head is arranged at the lower end of the electronic force gauge, the positioning seat is arranged on the rack and located directly below the clamping head, the positioning seat comprises a support, a positioning part and two fixed parts, the support is arranged on the rack, the positioning part is rotatably arranged on the support, the positioning part is in a cylindrical structure, and the two fixed parts are arranged on the outer side of the positioning part and circumferentially spaced apart, the tension testing machine with the structure is used to measure the peeling force of the copper foil product, the operation steps are less, the operation is simple, the test efficiency is greatly improved, the worker's working hours are reduced, and the production cost is reduced; and the machine replaces manual work, when measuring, the tension of the electronic force gauge is vertical upward, and the inclination does not occur, the measured value is more accurate, the production is facilitated, and the existing demand is met.

[0047] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. A tensile testing machine, characterized in that: It includes a frame, a control box, an up and down driving device, an electronic dynamometer and a positioning seat; the control box is arranged on the frame; the up and down driving device is arranged on the frame so as to be movable up and down and is electrically connected to the control box; the electronic dynamometer is arranged on the up and down driving device and is driven by the up and down driving device to move up and down, and a clamping head is arranged at the lower end of the electronic dynamometer; the positioning seat is arranged on the frame and is located directly below the clamping head, and the positioning seat includes a bracket, a positioning part and two fixing parts, the bracket is arranged on the frame, the positioning part is rotatably arranged on the bracket, the positioning part is a cylindrical structure, the two fixing parts are arranged on the outer side surface of the positioning part, and the two fixing parts are arranged at intervals on the circumference.

2. The tensile testing machine according to claim 1, characterized in that: The frame includes a base and a column. The base is provided with a test bench. The column is longitudinally arranged on the test bench. The control box is arranged at the front end of the base. The up and down driving device can be movably arranged on the column up and down. The positioning seat is arranged on the test bench.

3. The tensile testing machine according to claim 2, characterized in that: The up and down driving device includes a cylinder and a fixing part. The cylinder is arranged inside the top end of the column. The fixing part is arranged at the output end of the cylinder and is driven by the cylinder to move up and down. The electronic dynamometer is arranged on the fixing part and moves up and down with the fixing part.

4. The tensile testing machine according to claim 1, characterized in that: The clamping head includes a left clamping block, a right clamping block and a clamping bolt. The left clamping block and the right clamping block are arranged opposite to each other on the left and right sides. The left clamping block has a left threaded hole, and the right clamping block has a right threaded hole. The clamping bolt passes through the right threaded hole and the left threaded hole and is threadedly connected with the right threaded hole and the left threaded hole.

5. The tensile testing machine according to claim 4, characterized in that: A spring is further provided, which is arranged on the clamping bolt and located between the left clamping block and the right clamping block.

6. The tensile testing machine according to claim 4, characterized in that: The lower ends of the left clamping block and the right clamping block are provided with a serrated structure.

7. The tensile testing machine according to claim 1, characterized in that: A first threaded hole is provided on the outer side surface of the positioning portion, and the fixing portion includes a fixing block and a fixing bolt. A second threaded hole is provided on the fixing block, and the second threaded hole is directly connected to the first threaded hole. The fixing block is provided on the outer side surface of the positioning portion, and the fixing bolt passes through the second threaded hole and the first threaded hole to connect the fixing block and the positioning portion.

8. The tensile testing machine according to claim 7, characterized in that: The fixing block is a concave-shaped structure.

9. The tensile testing machine according to claim 1, characterized in that: The control box includes a control panel which is arranged on the frame. The control panel includes a switch button, a descending button, an ascending button and a speed regulating knob.

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