CN215727257U - Curing and pressurizing clamp for adhesive tensile shear strength sample - Google Patents
Curing and pressurizing clamp for adhesive tensile shear strength sample Download PDFInfo
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- CN215727257U CN215727257U CN202121951937.9U CN202121951937U CN215727257U CN 215727257 U CN215727257 U CN 215727257U CN 202121951937 U CN202121951937 U CN 202121951937U CN 215727257 U CN215727257 U CN 215727257U
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Abstract
The utility model discloses a curing and pressurizing clamp for an adhesive tensile shear strength sample, and belongs to the technical field of pressurizing clamp manufacturing. The curing and pressurizing clamp comprises a weighting plate, a sample clamp, a weighting rod, a base, a pin and a pressurizing block. The curing and pressurizing clamp can calculate the pressure applied to a sample by increasing or decreasing weights or moving positions by utilizing a lever principle; the pressurizing effect is good, and the pressure applied to the sample when the adhesive tensile shear strength sample is cured is ensured to meet the standard requirement.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of pressurizing clamps, and relates to a curing and pressurizing clamp for an adhesive tensile shear strength sample.
Background
With the development of the bonding technology, various grades of adhesives are adopted by various military machines, the adhesives with thermosetting structures are required to be tested for tensile shear strength when leaving factories and entering factories, certain pressure is required to be added when a tensile shear strength sample is manufactured, the pressure added by different grades is different, the pressure added when the sample is manufactured is ensured to meet the standard requirement, the pressure is difficult to be ensured by a pressurizing method such as a clamp or a heavy object, and if a clamp is provided, the pressure added on the sample can be calculated by increasing or decreasing weights or moving the position by utilizing the lever principle, so that the pressurizing problem can be easily solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a curing and pressurizing clamp for a sample with tensile shear strength of an adhesive, which ensures that the pressure applied during the sample manufacturing meets the standard requirement.
The technical scheme of the utility model is as follows:
the utility model provides an adhesive tensile shear strength sample solidification pressurization anchor clamps, includes weighting plate 1, sample anchor clamps 2, weighting rod 3, base 4, pin 5, pressurization piece 6 and bolt 7.
The base 4 is U type structure, and two pillars are fixed to the one end of base 4, all are equipped with the round pin hole on the two pillars symmetrically.
The sample clamp 2 is arranged on a base 4 and is designed according to the length and the width of a sample; the bottom of the sample clamp 2 is provided with two bolts 7 for adjusting the width of the clamp in consideration of the tolerance of the width of the sample. The pressurizing block 6 is arranged on the sample and is designed according to the width of the sample.
The weighting rod 3 is pressed on the weighting block 6, one end of the weighting rod 3 is connected between the two struts through a pin 5, and the upper surface of the other end of the weighting rod is provided with a groove for placing the weighting disc 1; and weights are placed in the weighting disc 1 according to the curing pressure requirement.
Further, the length of the base 4 is 320mm, and the width is 200 mm; the height of the support is 120 mm.
Curing press fixture design utilizes the principle of leverage, P L2＝10.2FSL1In the formula: p is weight of weight, kg; l is2The distance from the fixing point A of the strut pin to the central point C of the weighting plate is mm; f is the curing pressure required by the sample, MPa; s is the bonding area, mm2；L1The distance from the fixing point A of the strut pin to the fulcrum B of the pressurizing block is mm.
The curing and pressurizing clamp comprises the following steps: firstly, selecting a proper sample clamp according to the length and the width of a sample, and overlapping a well-lapped tensile shear strength sample 8 in a sample clamp 2; if the sample is small and the height is not enough, some test pieces are placed, a pressurizing block 6 is placed on the test pieces, and then the test pieces are placed on the base 4 of the clamp. And selecting pin holes with proper heights according to the number of the samples, connecting and fixing the weighting rod 3 and the two support columns by using the pins 5, and pressing the weighting rod 3 above the pressing block 6. Finally, determining the curing pressure F, calculating the bonding area S, and measuring L1And L2According to P ═ 10.2FSL1/L2Calculating the weight P of the added weight; also can reinforce the weight P of the fixed weight, and adjust L1Or L2To ensure the curing pressure F.
The utility model has the beneficial effects that: the utility model provides a curing and pressurizing clamp for an adhesive tensile shear strength sample, which has a good pressurizing effect and ensures that the pressure applied to the sample when the adhesive tensile shear strength sample is cured meets the standard requirement.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic plan view of the present invention.
Fig. 3 is a side view of the sample holder.
In the figure: 1, weighting a disc; 2, a sample clamp; 3 a weighting rod; 4, a base; 5, a pin; 6, pressing a block; 7, bolts; 8 samples.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
As shown in FIG. 1, the adhesive tensile shear strength sample curing and pressurizing clamp comprises a weighting plate 1, a sample clamp 2, a weighting rod 3, a base 4, a pin 5, a pressurizing block 6 and a bolt 7.
The base 4 is 320mm long and 200mm wide; in order to reduce the weight, the middle part is hollow, and a U-shaped structure is manufactured. Two pillars are symmetrically fixed at one end of the base 4, the two pillars are 120mm high, and pin holes are formed in the two pillars.
The sample clamp 2 is arranged on a base 4 and is designed according to the length and the width of a sample; the bottom of the sample clamp 2 is provided with two bolts 7 for adjusting the width of the clamp in consideration of the tolerance of the width of the sample. The pressurizing block 6 is arranged on the sample and is designed according to the width of the sample.
The weighting rod 3 is pressed on the weighting block 6, one end of the weighting rod 3 is connected between the two struts through a pin 5, and the upper surface of the other end of the weighting rod is provided with a groove for placing the weighting disc 1; and weights are placed in the weighting disc 1 according to the curing pressure requirement.
As shown in FIG. 2, the curing press fixture design utilizes the principle of leverage, P L2＝10.2FSL1In the formula: p is weight of weight, kg; l is2The distance from the fixing point A of the strut pin to the central point C of the weighting plate is mm; f is the curing pressure required by the sample, MPa; s is the bonding area, mm2；L1The distance from the fixing point A of the strut pin to the fulcrum B of the pressurizing block is mm.
When the curing and pressurizing clamp is used: firstly, selecting a proper sample clamp according to the length and the width of a sample, and overlapping a well-lapped tensile shear strength sample 8 in a sample clamp 2; if the sample is small and the height is not enough, some test pieces are placed, a pressurizing block 6 is placed on the test pieces, and then the test pieces are placed on the base 4 of the clamp. And selecting pin holes with proper height according to the number of the samples, connecting and fixing the weighting rod 3 and the two support columns by using pins 5, and pressing the weighting rod 3 above the pressing block 6. Finally, determining the curing pressure F, calculating the bonding area S, and measuring L1And L2According to P ═ 10.2FSL1/L2Calculating the weight P of the added weight; or the weight P of the fixed weight is reinforced, and L is adjusted1Or L2To ensure the curing pressure F.
Claims (3)
1. The curing and pressurizing clamp for the adhesive tensile shear strength sample is characterized by comprising a weighting disc (1), a sample clamp (2), a weighting rod (3), a base (4), a pin (5) and a pressurizing block (6);
the base (4) is of a U-shaped structure, and two pillars are fixed at one end of the base (4);
the sample clamp (2) is arranged on the base (4), and two bolts (7) for adjusting the width of the clamp are arranged at the bottom of the sample clamp (2);
the pressurizing block (6) is arranged on the sample; the weighting rod (3) is pressed on the weighting block (6), one end of the weighting rod (3) is connected between the two struts through a pin (5), and the upper surface of the other end is provided with a groove for placing the weighting disc (1); weights are placed in the weighting disc (1).
2. The adhesive tensile shear strength specimen curing and pressurizing fixture as claimed in claim 1, wherein the base (4) has a length of 320mm and a width of 200 mm; the height of the support is 120 mm.
3. The adhesive tensile shear strength specimen curing and pressurizing fixture as claimed in claim 1 or 2, wherein pin holes are formed in both of the two pillars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951937.9U CN215727257U (en) | 2021-08-19 | 2021-08-19 | Curing and pressurizing clamp for adhesive tensile shear strength sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121951937.9U CN215727257U (en) | 2021-08-19 | 2021-08-19 | Curing and pressurizing clamp for adhesive tensile shear strength sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215727257U true CN215727257U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121951937.9U Active CN215727257U (en) | 2021-08-19 | 2021-08-19 | Curing and pressurizing clamp for adhesive tensile shear strength sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215727257U (en) |
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2021
- 2021-08-19 CN CN202121951937.9U patent/CN215727257U/en active Active
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