CN106153471B - Vicat index tester - Google Patents
Vicat index tester Download PDFInfo
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- CN106153471B CN106153471B CN201510192439.3A CN201510192439A CN106153471B CN 106153471 B CN106153471 B CN 106153471B CN 201510192439 A CN201510192439 A CN 201510192439A CN 106153471 B CN106153471 B CN 106153471B
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- fixedly connected
- sleeve
- lug
- test box
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- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
A Vicat index tester. The invention relates to the field of test equipment, and provides a Vicat index tester which is exquisite in structure, convenient to use and high in automation degree, short in working period and high in operation safety when a sample is taken and put.
Description
Technical Field
The invention relates to the field of test equipment, in particular to an improvement of a Vicat index tester.
Background
The vicat index refers to the deformation degree of a nonmetallic material under specific conditions of temperature, pressure and load, and a representative part of the prior art, such as a sample holder for a thermal deformation and vicat softening point temperature measuring instrument, which is announced by the state of China in 1 month and 5 days, and a patent document with application number of 201020155754.1, is provided with a split assembly type structure, so that the technical scheme is convenient to use, disassemble and assemble and has low cost.
However, people find that when in use, the traditional tester usually needs to dry all test oil or manually disassemble the whole equipment when taking and discharging materials, and then the test oil is added or the whole equipment is manually assembled after taking and discharging materials. In any of the modes, the defects of long working period, high operation difficulty and poor automation degree exist; meanwhile, the test temperature is usually higher, so that great potential safety hazards exist when operators take and discharge materials.
Disclosure of Invention
Aiming at the problems, the invention provides the Vicat index tester which has the advantages of exquisite structure, convenient use, high automation degree, short working period and high operation safety when a sample is taken and put.
The technical scheme of the invention is as follows: the device comprises a base, a test box with an open top, a heating pipe, a cover plate component, a top beam, a sample supporting table, a driving component, at least one test component and at least one guide component;
the test box is fixedly connected above the base, the cover plate assembly is erected on the top surface of the test box through the guide assembly, and the test box is communicated with an oil inlet pipe and an oil outlet pipe;
the guide assembly comprises a guide post which is vertically arranged and a guide sleeve which is sleeved at the top of the guide post, and the bottom end of the guide post is fixedly connected to the top surface of the base; the cover plate assembly comprises an outer frame plate, an inner supporting plate, a clamping plate and a top plate, wherein the outer frame plate is provided with a containing hole in the middle part, the containing hole is matched with the inner supporting plate, the inner supporting plate is arranged on the top surface of the test box, the clamping plate is detachably connected to the top surface of the outer frame plate, the top plate is detachably connected to the top surface of the clamping plate, the outer frame plate, the clamping plate and the top plate are all sleeved with the guide columns in an empty mode, and the guide sleeves are fixedly connected to the bottom surface of the outer frame plate;
the driving assembly comprises a motor, a chain, a screw rod, a threaded sleeve, a power rod and an outer cylinder, wherein the motor is fixedly connected to the base and positioned at the outer side of the test box, the outer cylinder is vertically arranged and penetrates through the middle of the test box, the power rod is slidably connected to the outer cylinder and is sleeved with the screw rod in an empty mode, the threaded sleeve is fixedly connected to the bottom of the power rod and is in threaded connection with the screw rod, and the bottom of the screw rod penetrates out of the base and is connected with the motor through the chain; the top of the power rod is propped against the bottom surface of the inner supporting plate;
the top beam is horizontally arranged and fixedly connected above the top plate through a plurality of stay bars;
the sample supporting platform is sleeved with the outer cylinder in an empty mode and is fixedly connected below the inner supporting plate through a plurality of pull rods;
the testing component comprises a linear displacement measuring device, a first connecting rod, a weight table for supporting weights, a first sleeve, a second connecting rod and a pressure head, wherein the linear displacement measuring device is fixedly connected to the bottom of a top beam, the top end of the first connecting rod is fixedly connected to the bottom end of the linear displacement measuring device, and the weight table is fixedly connected to the bottom end of the first connecting rod; the first sleeve penetrates through the top plate and is sleeved with the bottom of the weight table, the clamping plate is provided with a first through hole which is coaxial with the sleeve, the inner supporting plate is provided with a second through hole which is coaxial with the through hole, the top of the second sleeve sequentially penetrates through the second through hole and the first through hole and is fixedly connected to the bottom of the first sleeve, and the upper part of the second connecting rod penetrates through the second sleeve and is fixedly connected to the bottom of the weight table; the pressure head is fixedly connected to the bottom end of the second connecting rod; the outer diameter of the first sleeve is larger than the inner diameter of the first through hole, and the inner diameter of the first sleeve is smaller than the inner diameter of the first through hole;
the middle part of the heating pipe is connected in series in the test box, and the heating pipe is positioned below the sample supporting table;
and a temperature sensor is fixedly connected to the inner wall of the test chamber.
The top of the power rod is provided with a first lug and a second lug which are coaxial with the power rod, the first lug, the second lug and the power rod are sequentially connected into a whole, the outer diameters of the first lug, the second lug and the power rod are gradually increased, the second lug is arranged in the inner supporting plate in a penetrating mode, the first lug is arranged in the clamping plate in a penetrating mode, the first lug is sleeved with the empty top plate, and a fastening nut in the top of the first lug is arranged in the top plate in a threaded mode.
The top surface of the sample supporting table is provided with sample tables corresponding to the test components one by one, the sample tables are provided with a plurality of roller grooves, and at least two of the roller grooves are provided with sample supporting rollers.
The linear displacement measuring device is a differential transformer or a grating ruler.
The Vicat index tester also comprises a cooling water tank which is wrapped outside the side face and the bottom face of the test box, and a water inlet pipe and a water outlet pipe are communicated with the cooling water tank.
When the invention is used for taking and discharging materials, the cover plate component, the test component, the top beam and the sample supporting table can be synchronously lifted above the test box only by starting the motor, so that operators can conveniently, efficiently and safely take and discharge materials.
When the Vicat index is measured, the oil outlet pipe can be closed firstly, the test oil is clamped into the test box through the oil inlet pipe, then a weight with specified mass is placed on the weight table, and finally the heating pipe and the temperature sensor are started, so that the deformation of the test sample under the conditions of specific temperature, pressure and load is measured through the linear displacement measuring device. The temperature regulation is accurate, the pressure and the load are stable, the deformation reading is accurate, and the method has the characteristics of high accuracy of measuring the Vicat index, high operation safety and short working period.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a top view of figure 1,
figure 3 is a cross-sectional view taken along A-A of figure 2,
figure 4 is an enlarged view of a portion of figure 3 at B,
figure 5 is an enlarged view of a portion of figure 3 at C,
figure 6 is a partial enlarged view at D in figure 3,
figure 7 is a perspective view of figure 1,
FIG. 8 is a perspective view of the internal structure of the present invention;
in the figure, 1 is a base, 2 is a test box, 20 is a cooling water tank, and 3 is a heating pipe; 4 is a cover plate assembly, 41 is an outer frame plate, 42 is an inner supporting plate, 43 is a clamping plate, and 44 is a top plate;
5 is a top beam, 6 is a sample supporting table, 61 is a sample table, and 62 is a sample supporting roller;
7 is a driving component, 71 is a motor, 72 is a chain, 73 is a screw, 74 is a screw sleeve, 75 is a power rod, 751 is a first bump, 752 is a second bump, 76 is an outer cylinder,
8 is a test assembly, 81 is a linear displacement measuring device, 82 is a first connecting rod, 83 is a weight table, 84 is a first sleeve, 85 is a second sleeve, 86 is a second connecting rod, and 87 is a pressure head;
9 is a guide assembly, 91 is a guide post, and 92 is a guide sleeve.
Detailed Description
The invention is shown in figures 1-8, and comprises a base 1, a test box 2 with an open top, a heating pipe 3, a cover plate component 4, a top beam 5, a sample supporting table 6, a driving component 7, at least one test component 8 and at least one guide component 9;
the test box 2 is fixedly connected above the base 1, the cover plate assembly 4 is erected on the top surface of the test box 2 through the guide assembly 9, and the test box 2 is communicated with an oil inlet pipe and an oil outlet pipe;
the guide assembly 9 comprises a guide post 91 vertically arranged and a guide sleeve 92 sleeved at the top of the guide post 91, and the bottom end of the guide post 91 is fixedly connected to the top surface of the base 1; the cover plate assembly 4 comprises an outer frame plate 41, an inner supporting plate 42, a clamping plate 43 and a top plate 44, wherein the outer frame plate 41 is provided with a containing hole in the middle part, the containing hole is matched with the inner supporting plate 42, the inner supporting plate 42 is arranged in the containing hole, the clamping plate 43 is detachably connected to the top surface of the outer frame plate 41, the top plate 44 is detachably connected to the top surface of the clamping plate 43, the outer frame plate 41, the clamping plate 43 and the top plate 44 are all sleeved with the guide columns 91 in an empty mode, and the guide sleeves 92 are fixedly connected to the bottom surface of the outer frame plate 41;
the driving assembly 7 comprises a motor 71, a chain 72, a screw 73, a threaded sleeve 74, a power rod 75 and an outer cylinder 76, wherein the motor 71 is fixedly connected to the base 1 and positioned on the outer side of the test box 2, the outer cylinder 76 is vertically arranged and penetrates through the middle of the test box 2, the power rod 75 is slidably connected to the outer cylinder 76 and is sleeved with the screw 73, the threaded sleeve 74 is fixedly connected to the bottom of the power rod 75 and is in threaded connection with the screw 73, and the bottom of the screw 73 penetrates out of the base 1 and is connected with the motor 71 through the chain 72; thus, the rotation of the motor drives the screw rod to rotate, so that the power rod is finally driven to reciprocate up and down along the outer cylinder; the top of the power rod 75 is propped against the bottom surface of the inner supporting plate 42; thereby driving the cover plate assembly to reciprocate up and down along the guide post as a whole through the movement of the power rod;
the top beam 5 is horizontally arranged and fixedly connected above the top plate 44 through a plurality of stay bars;
the sample supporting platform 6 is sleeved with the outer cylinder 76 in an empty mode and is fixedly connected below the inner supporting plate 42 through a plurality of pull rods;
the test assembly 8 comprises a linear displacement measuring device 81, a first connecting rod 82, a weight table 83 for supporting weights, a first sleeve 84, a second sleeve 85, a second connecting rod 86 and a pressure head 87, wherein the linear displacement measuring device 81 is fixedly connected to the bottom of the top beam 5, the top end of the first connecting rod 82 is fixedly connected to the bottom end of the linear displacement measuring device 81, the weight table 83 is fixedly connected to the bottom end of the first connecting rod 82, and when the test assembly is used, a gap of a weight can be spliced with the first connecting rod, and the weight is stacked on the weight table; the first sleeve 84 is arranged in the top plate 44 in a penetrating manner and sleeved on the bottom of the weight table 83, the clamping plate 43 is provided with a first through hole coaxial with the first sleeve 84, the inner supporting plate 42 is provided with a second through hole coaxial with the through hole, the top of the second sleeve 85 sequentially penetrates through the second through hole and the first through hole and is fixedly connected to the bottom of the first sleeve 84, and the upper part of the second connecting rod 86 is arranged in the second sleeve 85 in a penetrating manner and is fixedly connected to the bottom of the weight table 83; the pressing head 87 is fixedly connected to the bottom end of the second connecting rod 86; the outer diameter of the sleeve one 84 is greater than the inner diameter of the through hole one, and the inner diameter of the sleeve one 84 is less than the inner diameter of the through hole one; because the linear displacement measuring device cannot provide tensile force, when the power rod is in an upward direction, the weight table can be supported by the sleeve I, so that the test assembly can synchronously reciprocate up and down along with the power rod; when the power rod descends in place, the sample on the sample supporting table jacks up the weight table, so that displacement is reserved between the weight table and the sleeve I, and further, the Vicat index is tested; when the Vicat index is tested, the first connecting rod, the weight table, the second connecting rod and the pressure head can generate downward free displacement under the action of weights, and the influence of the cover plate component is avoided; the scheme solves the problem of inconvenient material taking and discharging in the prior art, and has no other adverse effects on normal use; the measured data has high accuracy and excellent use effect;
the middle part of the heating pipe 3 is connected in series in the test box 2, and the heating pipe 3 is positioned below the sample supporting table 6;
and a temperature sensor is fixedly connected to the inner wall of the test chamber 2.
When the invention is used for taking and discharging materials, the cover plate component, the test component, the top beam and the sample supporting table can be synchronously lifted above the test box only by starting the motor, so that operators can conveniently, efficiently and safely take and discharge materials.
When the Vicat index is measured, the oil outlet pipe can be closed firstly, the test oil is clamped into the test box through the oil inlet pipe, then a weight with specified mass is placed on the weight table, and finally the heating pipe and the temperature sensor are started, so that the deformation of the test sample under the conditions of specific temperature, pressure and load is measured through the linear displacement measuring device. The temperature regulation is accurate, the pressure and the load are stable, the deformation reading is accurate, and the method has the characteristics of high accuracy of measuring the Vicat index, high operation safety and short working period.
The top of the power rod 75 is provided with a first lug 751 and a second lug 752 which are coaxial with the power rod 75, the first lug 751, the second lug 752 and the power rod 75 are sequentially connected into a whole, the outer diameters of the first lug 751, the second lug 752 and the power rod 75 are gradually increased, the second lug 752 is arranged in the inner supporting plate 42 in a penetrating mode, the first lug 751 is arranged in the clamping plate 43 in a penetrating mode, the first lug 751 is sleeved on the top plate 44 in an empty mode, and a fastening nut which is connected to the top of the first lug 751 in a threaded mode is arranged in the top plate 44. Thereby hold the inner supporting board through the top surface of power pole, hold splint through the top surface of lug two to push down splint through the nut, thereby make the apron subassembly keep synchronous motion with the power pole, play good bearing effect when the power pole moves.
The top surface of the sample supporting table 6 is provided with sample tables 61 corresponding to the test assemblies 8 one by one, the sample tables 61 are provided with a plurality of roller grooves, and at least two of the roller grooves are provided with sample supporting rollers 62. Thus, the sample is supported and overhead through the sample supporting roller, and further the Vicat index is tested.
The linear displacement measuring device 81 is a differential transformer or a grating scale. Thus, the linear displacement of the pressure head is accurately and efficiently measured.
The Vicat index tester also comprises a cooling water tank 20 wrapped outside the side face and the bottom face of the test box 2, and a water inlet pipe and a water outlet pipe are communicated with the cooling water tank 20. Therefore, after one-time test is completed, the cooling treatment of the test box is completed rapidly by filling cooling water into the cooling water tank, so that the working period is shortened greatly, and the working efficiency is improved.
Claims (3)
1. The Vicat index tester is characterized by comprising a base, a test box with an open top, a heating pipe, a cover plate component, a top beam, a sample supporting table, a driving component, at least one test component and at least one guide component;
the test box is fixedly connected above the base, the cover plate assembly is erected on the top surface of the test box through the guide assembly, and the test box is communicated with an oil inlet pipe and an oil outlet pipe;
the guide assembly comprises a guide post which is vertically arranged and a guide sleeve which is sleeved at the top of the guide post, and the bottom end of the guide post is fixedly connected to the top surface of the base; the cover plate assembly comprises an outer frame plate, an inner supporting plate, a clamping plate and a top plate, wherein the outer frame plate is provided with a containing hole in the middle part, the containing hole is matched with the inner supporting plate, the inner supporting plate is arranged on the top surface of the test box, the clamping plate is detachably connected to the top surface of the outer frame plate, the top plate is detachably connected to the top surface of the clamping plate, the outer frame plate, the clamping plate and the top plate are all sleeved with the guide columns in an empty mode, and the guide sleeves are fixedly connected to the bottom surface of the outer frame plate;
the driving assembly comprises a motor, a chain, a screw rod, a threaded sleeve, a power rod and an outer cylinder, wherein the motor is fixedly connected to the base and positioned at the outer side of the test box, the outer cylinder is vertically arranged and penetrates through the middle of the test box, the power rod is slidably connected to the outer cylinder and is sleeved with the screw rod in an empty mode, the threaded sleeve is fixedly connected to the bottom of the power rod and is in threaded connection with the screw rod, and the bottom of the screw rod penetrates out of the base and is connected with the motor through the chain; the top of the power rod is propped against the bottom surface of the inner supporting plate;
the top beam is horizontally arranged and fixedly connected above the top plate through a plurality of stay bars;
the sample supporting platform is sleeved with the outer cylinder in an empty mode and is fixedly connected below the inner supporting plate through a plurality of pull rods;
the testing component comprises a linear displacement measuring device, a first connecting rod, a weight table for supporting weights, a first sleeve, a second connecting rod and a pressure head, wherein the linear displacement measuring device is fixedly connected to the bottom of a top beam, the top end of the first connecting rod is fixedly connected to the bottom end of the linear displacement measuring device, and the weight table is fixedly connected to the bottom end of the first connecting rod; the first sleeve penetrates through the top plate and is sleeved with the bottom of the weight table, the clamping plate is provided with a first through hole which is coaxial with the sleeve, the inner supporting plate is provided with a second through hole which is coaxial with the through hole, the top of the second sleeve sequentially penetrates through the second through hole and the first through hole and is fixedly connected to the bottom of the first sleeve, and the upper part of the second connecting rod penetrates through the second sleeve and is fixedly connected to the bottom of the weight table; the pressure head is fixedly connected to the bottom end of the second connecting rod; the outer diameter of the first sleeve is larger than the inner diameter of the first through hole, and the inner diameter of the first sleeve is smaller than the inner diameter of the first through hole;
the middle part of the heating pipe is connected in series in the test box, and the heating pipe is positioned below the sample supporting table;
a temperature sensor is fixedly connected to the inner wall of the test chamber;
the top of the power rod is provided with a first lug and a second lug which are coaxial with the power rod, the first lug, the second lug and the power rod are sequentially connected into a whole, the outer diameters of the first lug, the second lug and the power rod are gradually increased, the second lug is arranged in the inner supporting plate in a penetrating way, the first lug is arranged in the clamping plate in a penetrating way, the first lug is sleeved in the empty top plate, and a fastening nut which is in threaded connection with the top of the first lug is arranged in the top plate;
the top surface of the sample supporting table is provided with sample tables corresponding to the test components one by one, the sample tables are provided with a plurality of roller grooves, and at least two of the roller grooves are provided with sample supporting rollers.
2. The vicat index tester according to claim 1, wherein the linear displacement measuring device is a differential transformer or a grating scale.
3. The vicat index tester according to claim 1, further comprising a cooling water tank wrapped outside the side and bottom surfaces of the test box, wherein the cooling water tank is communicated with a water inlet pipe and a water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192439.3A CN106153471B (en) | 2015-04-21 | 2015-04-21 | Vicat index tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192439.3A CN106153471B (en) | 2015-04-21 | 2015-04-21 | Vicat index tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106153471A CN106153471A (en) | 2016-11-23 |
| CN106153471B true CN106153471B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192439.3A Active CN106153471B (en) | 2015-04-21 | 2015-04-21 | Vicat index tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106153471B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6429730A (en) * | 1987-07-24 | 1989-01-31 | Shimadzu Corp | Minute material testing instrument |
| CN202092630U (en) * | 2011-04-28 | 2011-12-28 | 东莞市普凯塑料科技有限公司 | Thermal deformation dimension card temperature tester exhaust device |
| CN204630848U (en) * | 2015-04-21 | 2015-09-09 | 江苏天源试验设备有限公司 | Dimension card index tester |
-
2015
- 2015-04-21 CN CN201510192439.3A patent/CN106153471B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6429730A (en) * | 1987-07-24 | 1989-01-31 | Shimadzu Corp | Minute material testing instrument |
| CN202092630U (en) * | 2011-04-28 | 2011-12-28 | 东莞市普凯塑料科技有限公司 | Thermal deformation dimension card temperature tester exhaust device |
| CN204630848U (en) * | 2015-04-21 | 2015-09-09 | 江苏天源试验设备有限公司 | Dimension card index tester |
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| Publication number | Publication date |
|---|---|
| CN106153471A (en) | 2016-11-23 |
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