Aluminum alloy surface spraying pretreatment liquid preparation equipment

Abstract

The utility model relates to the technical field of metal treatment, in particular to treatment liquid preparation equipment before spraying of an aluminum alloy surface. The utility model discloses aluminum alloy surface spraying pretreatment liquid preparation equipment. The equipment comprises a constant-temperature water bath kettle; the supporting frame is arranged in the constant-temperature water bath kettle, the supporting frame comprises a disc, a plurality of storage grooves and three supporting legs, the storage grooves are formed in the disc in the circumferential direction of the disc in a surrounding mode, and the three supporting legs are arranged at the bottom of the disc. The preparation equipment has the beneficial effects that the accuracy of a test result can be further improved, the efficiency and the consistency in the process of preparing the pretreatment liquid sprayed on the surface of the aluminum alloy are improved, and the high-quality pretreatment liquid can be ensured to be prepared.

Description

Technical Field

[0001] The utility model relates to the technical field of metal treatment, in particular to a device for preparing a pre-treatment liquid for spraying on an aluminum alloy surface. Background Art

[0002] The spraying treatment of iron parts, aluminum parts, die-casting parts and galvanized parts has very high requirements on the surface quality of iron parts, aluminum parts, die-casting parts and galvanized parts. If the surface quality of iron parts, aluminum parts, die-casting parts and galvanized parts is poor, the texture of the surface of iron parts, aluminum parts, die-casting parts and galvanized parts after spraying will be very poor, and even affect their service life; so people need to remove rust, degrease, phosphate and passivate iron parts, aluminum parts, die-casting parts and galvanized parts before spraying, so they need to use chemicals to treat iron parts, aluminum parts, die-casting parts and galvanized parts.

[0003] At present, most of the degreasing and pickling solutions used in pre-spraying treatment will encounter the problem of corroding aluminum. The main reason is that aluminum is an amphoteric substance, which can react with both acid and alkali. Therefore, it is necessary to configure a treatment solution that is less corrosive to aluminum. After configuring a new pre-spraying treatment solution, it is necessary to test the corrosiveness of the treatment solution. Most of the existing testing methods directly immerse the pre-treated aluminum test pieces in beakers. Since the test pieces are taken out at different times, when one of the test pieces is taken out, it is inevitable that other test pieces will be interfered with. The beakers in the test process are placed one by one in a constant temperature water bath for constant temperature treatment. It is difficult to ensure the consistency of the constant temperature of the beakers during the test, so there are certain test errors. Utility Model Content

[0004] The utility model aims at the technical problems existing in the prior art and provides a device for dispensing a pre-treatment liquid for spraying on an aluminum alloy surface to solve the problem that most of the prior test methods directly immerse aluminum test pieces that have been treated in advance in beakers respectively. Since the test pieces are taken out at different times, when one of the test pieces is taken out, other test pieces will inevitably be disturbed. In addition, the beakers in the test process are placed one by one in a constant temperature water bath for constant temperature treatment. It is difficult to ensure the consistency of the constant temperature of the beakers during the test, so there is a problem of certain test errors.

[0005] The utility model solves the above technical problems with the following technical solutions: A device for preparing a pre-treatment liquid for spraying on an aluminum alloy surface, comprising:

[0006] Constant temperature water bath;

[0007] A support frame, the support frame is arranged in the constant temperature water bath, the support frame comprises a disc, a plurality of storage slots, and three legs, the plurality of storage slots are arranged in the disc along the circumference and around the disc, and the three legs are arranged at the bottom of the disc;

[0008] A beaker with a spray pretreatment liquid built in it, the beaker is embedded in each of the storage slots, and the shape of the beaker is a cone with a diameter gradually decreasing from the cup mouth to the cup bottom;

[0009] A cup cover, which is arranged in the mouth of the beaker;

[0010] At least three groups of clamping components are detachable from the cup cover, and each group of the clamping components clamps the test object respectively.

[0011] The beneficial effects of the utility model are:

[0012] 1) In the device, multiple beakers are embedded in a disc, and the disc is placed in a constant temperature water bath by supporting legs, so as to ensure that each beaker is subjected to consistent constant heat preservation treatment, reduce variables interfered by external factors, and make the test results of the experiment more accurate.

[0013] 2) In addition, a plurality of detachable clamping components are arranged on the cup cover of the beaker. Since different test objects are tested for different time periods during the test process, the test objects need to be taken or placed in batches. The clamping components are detachable from the beaker cover, so it is convenient to take one of the test objects separately. When one of the test objects needs to be taken out, it will not interfere with other test objects being tested in the same beaker, which can further improve the accuracy of the test results. This equipment helps to improve the efficiency and consistency of the process of configuring the pretreatment liquid for spraying on the aluminum alloy surface, ensuring that high-quality pretreatment liquid can be configured.

[0014] On the basis of the above technical solution, the present invention can also be improved as follows.

[0015] Furthermore, a hand-held rod is provided at the top of the axis of the disc, and a lighting lamp is provided at one end of the hand-held rod.

[0016] Furthermore, the outer cover of the hand-held rod is provided with a rubber cover.

[0017] The beneficial effect of adopting the above further solution is that after the experimental test is completed, the disc and the beaker on the disc can be taken out of the constant temperature water bath pot by just holding the rubber sleeve of the hand-held rod, thereby saving storage time.

[0018] Furthermore, one of the clamping components includes a mounting hole, a plunger, a hanging rope, and a clamp. The mounting hole is formed in the cup cover, and an internal thread is formed on the inner edge of the mounting hole.

[0019] Furthermore, an external thread is provided on the outer side of the plunger, and the plunger is screwed into the mounting hole through the thread.

[0020] Furthermore, the hanging rope is fixed to one side of the plunger located in the beaker, and the clip is fixed to one end of the hanging rope.

[0021] The beneficial effect of adopting the above further solution is that the plunger is screwed together with the mounting hole through a thread, and the plunger can be fixed to or removed from the cup cover by twisting the plunger. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall structure of the utility model from another perspective.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 100, constant temperature water bath, 200, support frame, 201, disc, 202, storage slot, 203, support leg, 300, beaker, 400, cup cover, 500, clamping assembly, 501, mounting hole, 502, plunger, 503, hanging rope, 504, clip, 600, hand-held rod, 700, lighting lamp, 800, rubber sleeve. DETAILED DESCRIPTION

[0026] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0027] The spraying treatment of iron parts, aluminum parts, die-casting parts and galvanized parts has very high requirements on the surface quality of iron parts, aluminum parts, die-casting parts and galvanized parts. If the surface quality of iron parts, aluminum parts, die-casting parts and galvanized parts is poor, the texture of the surface of iron parts, aluminum parts, die-casting parts and galvanized parts after spraying will be very poor, and even affect their service life; so people need to remove rust, degrease, phosphate and passivate iron parts, aluminum parts, die-casting parts and galvanized parts before spraying, so they need to use chemicals to treat iron parts, aluminum parts, die-casting parts and galvanized parts.

[0028] At present, most of the degreasing and pickling liquids used in pre-spraying treatment will encounter the problem of corroding aluminum. The main reason is that aluminum is an amphoteric substance, which can react with both acid and alkali. Therefore, it is necessary to configure a treatment liquid that is less corrosive to aluminum. After configuring a new pre-spraying treatment liquid, it is necessary to test the corrosiveness of the treatment liquid. Most of the existing testing methods directly immerse the pre-treated aluminum test pieces in beakers. Since the test pieces are taken out at different times, when one of the test pieces is taken out, it is inevitable that other test pieces will be interfered with. The beakers in the test process are placed one by one in a constant temperature water bath for constant temperature treatment. It is difficult to ensure the consistency of the constant temperature of the beakers during the test, so there are certain test errors. In this regard, the utility model proposes a pre-spraying treatment liquid configuration device for aluminum alloy surfaces to solve the above problems.

[0029] The utility model provides the following preferred embodiments

[0030] like Figure 1 and Figure 2 As shown, an aluminum alloy surface spraying pretreatment liquid preparation device includes:

[0031] Constant temperature water bath 100;

[0032] A support frame 200, the support frame 200 is arranged in the constant temperature water bath 100, the support frame 200 comprises a disc 201, a plurality of storage slots 202, and three legs 203, the plurality of storage slots 202 are arranged in the disc 201 along the circumference of the disc 201 and surround the disc 201, and the three legs 203 are arranged at the bottom of the disc 201;

[0033] A beaker 300 containing a spray pretreatment liquid is embedded in each of the storage slots 202, and the beaker 300 is in a tapered shape with a diameter gradually decreasing from the cup mouth to the cup bottom;

[0034] A cup cover 400, wherein the cup cover 400 is disposed in the cup mouth of the beaker 300;

[0035] At least three groups of clamping assemblies 500 are detachable from the cup cover 400, and each group of the clamping assemblies 500 clamps the test object respectively;

[0036] In the device, a plurality of beakers 300 are embedded in a disc 201, and the disc 201 is supported by legs 203 and placed in a constant temperature water bath 100, thereby ensuring that each beaker 300 is subjected to a consistent constant temperature insulation treatment, reducing variables interfered by external factors, and making the test results of the experiment more accurate;

[0037] In addition, a plurality of detachable clamping assemblies 500 are provided on the cup cover 400 of the beaker 300. Since different test objects are tested for different time periods during the test process, the test objects need to be taken or placed in batches. The clamping assembly 500 is detachable from the beaker cover, so it is convenient to take one of the test objects separately. When one of the test objects needs to be taken out, it will not interfere with other test objects that are being tested in the same beaker 300, and the accuracy of the test results can be further improved. This equipment helps to improve the efficiency and consistency of the process of configuring the pretreatment liquid for spraying on the aluminum alloy surface, ensuring that high-quality pretreatment liquid can be configured.

[0038] In this embodiment, Figure 1 and Figure 2 As shown, a hand-held rod 600 is provided at the top of the axis of the disc 201, and a lighting lamp 700 is provided at one end of the hand-held rod 600. The outer sleeve of the hand-held rod 600 is provided with a rubber sleeve 800. When the experimental test is completed, the disc 201 and the beaker 300 on the disc 201 can be taken out of the constant temperature water bath 100 by just holding the rubber sleeve 800 of the hand-held rod 600 with hands, which saves storage time. The lighting lamp 700 can illuminate the tested aluminum sheet in the beaker 300, which can facilitate observation by the experimenter.

[0039] In this embodiment, Figure 1 and Figure 2 As shown, a clamping assembly 500 includes a mounting hole 501, a plunger 502, a hanging rope 503, and a clip 504. The mounting hole 501 is opened in the cup cover 400, and an internal thread is opened on the inner edge of the mounting hole 501. An external thread is opened on the outer side of the plunger 502, and the plunger 502 is screwed into the mounting hole 501 through threads. The hanging rope 503 is fixed to a side of the plunger 502 located in the beaker 300, and the clip 504 is fixed to one end of the hanging rope 503. The plunger 502 is screwed into the mounting hole 501 through threads. By twisting the plunger 502 to rotate, the plunger 502 can be fixed to the cup cover 400 or removed from the cup cover 400.

[0040] The specific working process of the utility model is as follows:

[0041] S1. First, add the degreasing and deoiling agent into a beaker 300 containing 500 mL of water at a ratio of 5%.

[0042] S2, place the beakers 300 in the storage slots 202 on the disc 201, hold the handle 600 and place the disc 201 in the constant temperature water bath 100, set the test temperature to (20±2)°C (room temperature), and the temperature of the constant temperature water bath 100 is 30°C, 50°C, 80°C, etc.;

[0043] S3, by hanging three test pieces in each beaker 300, one of which is a greased test piece, and the other two are clean test pieces;

[0044] S4, fix the aluminum test pieces processed in advance to the hanging rope 503 of the plunger 502 through the clips 504, put the plunger 502 into the mounting hole 501 of the cup cover 400 and screw it to fix it, and then cover the cup cover 400 on the beaker 300 placed in the constant temperature water bath 100, so that the test pieces are immersed in the beaker 300;

[0045] S5. After all the test pieces are hung, record the test piece numbers in each beaker 300 and the time when the test pieces were hung, and pay attention to observe the degreasing effect at any time;

[0046] S6. After the test pieces are hung for 8 hours, take out a piece of unoiled test piece from each beaker 300, and then take out the other two test pieces after 16 hours. After taking out the test piece with unoiled surface, wipe it with alcohol, blow dry with cold air, put it in a dryer to dry until constant weight, and then weigh it. The weighed mass is recorded as m1. After taking out the test piece with oiled surface, rinse it with clean water, blow dry with cold air, put it in a dryer to dry until constant weight, and then weigh it. The weighed mass is recorded as m2. Then wipe the surface with alcohol, blow dry with cold air, put it in a dryer to dry until constant weight, and then weigh it. The weighed mass is recorded as m3. The oil removal rate and corrosion rate are calculated by comparing the masses.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preparing pre-treatment liquid for spraying on aluminum alloy surface. It is characterized in that include: Constant temperature water bath; A support frame, the support frame is arranged in the constant temperature water bath, the support frame comprises a disc, a plurality of storage slots, and three legs, the plurality of storage slots are arranged in the disc along the circumference and around the disc, and the three legs are arranged at the bottom of the disc; A beaker with a spray pretreatment liquid built in it, the beaker is embedded in each of the storage slots, and the shape of the beaker is a cone with a diameter gradually decreasing from the cup mouth to the cup bottom; A cup cover, which is arranged in the mouth of the beaker; At least three groups of clamping components are detachable from the cup cover, and each group of the clamping components clamps the test object respectively.

2. The aluminum alloy surface spraying pretreatment liquid preparation device according to claim 1, It is characterized in that A hand-held rod is arranged on the top of the axis of the disc, and a lighting lamp is arranged on one end of the hand-held rod.

3. The aluminum alloy surface spraying pretreatment liquid preparation device according to claim 2, It is characterized in that The outer sleeve of the hand-held rod is provided with a rubber sleeve.

4. The aluminum alloy surface spraying pretreatment liquid preparation device according to claim 3, It is characterized in that One of the clamping components includes a mounting hole, a plunger, a hanging rope, and a clamp. The mounting hole is opened in the cup cover, and an internal thread is opened on the inner edge of the mounting hole.

5. The aluminum alloy surface spraying pretreatment liquid preparation device according to claim 4, It is characterized in that The outer side of the plunger is provided with an external thread, and the plunger is screwed into the mounting hole through the thread.

6. The equipment for preparing the pre-treatment liquid for spraying on the aluminum alloy surface according to claim 5, It is characterized in that The hanging rope is fixed to one side of the plunger located in the beaker, and the clip is fixed to one end of the hanging rope.

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