Aluminum alloy forged hub coating test device

Abstract

The utility model belongs to the technical field of aluminum alloy forged hub manufacturing, and particularly relates to an aluminum alloy forged hub plating layer testing device which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a first electric push rod, and the right side of the first electric push rod is fixedly connected with a placing plate. A trapezoidal groove is formed in the bottom of the containing plate, a trapezoidal column is attached to the inner wall of the trapezoidal groove, the bottom of the trapezoidal column is fixedly connected with the upper surface of a bottom plate, and a second electric push rod is fixedly connected to the upper surface of the bottom plate. According to the aluminum alloy forged hub coating testing device, through cooperation of the supporting plate, the through hole, the square cylinder, the square column, the scraping head, a limiting ring, a positioning cylinder, a balancing weight, an iron block, electromagnets and a connecting plate, the testing device can automatically change the pressure of the scraping head on a hub by changing the starting number of the electromagnets; therefore, the test device is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum alloy forging wheel hub manufacturing technical field, concretely relates to a kind of aluminum alloy forging wheel hub plating test device. BACKGROUND

[0002] Forged aluminum alloy wheel hub is a kind of automobile wheel hub manufactured by using aluminum alloy through forging process.In this method, a solid aluminum sheet is usually subjected to extremely high heat and pressure by hydraulic press to shape and form a wheel.Compared with wheels produced by other methods such as casting, the wheels produced by this forging process are more dense, more solid and usually lighter.

[0003] Currently, when conducting scratch-resistant test on the surface plating of forged aluminum alloy wheel hub, the wheel hub is usually placed on the test device first, then the surface of the wheel hub is pressed and scratched by the scratching head on the test device, and the scratch depth left on the surface of the wheel hub under different pressures is used to judge the scratch resistance of the surface plating of the wheel hub, but when adjusting the pressure of the scratching head on the wheel hub, the user needs to manually adjust the weight of the counterweight on the scratching head, which makes the test device more troublesome to use. SUMMARY

[0004] The utility model aims to provide a kind of aluminum alloy forging wheel hub plating test device, solve the problem that when adjusting the pressure of the scratching head on the wheel hub on the test device, the user needs to manually adjust the weight of the counterweight on the scratching head, which makes the test device more troublesome to use.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] An aluminum alloy forging wheel hub plating test device includes a bottom plate, the upper surface of the bottom plate is fixedly connected with a first electric push rod, the right side of the first electric push rod is fixedly connected with a placing plate, the bottom of the placing plate is provided with a trapezoidal slot, the inner wall of the trapezoidal slot is provided with a trapezoidal column, the bottom of the trapezoidal column is fixedly connected with the upper surface of the bottom plate, the upper surface of the bottom plate is fixedly connected with a second electric push rod, the upper surface of the second electric push rod is fixedly connected with a supporting plate, the inside of the supporting plate is provided with a through hole, the inner wall of the through hole is fixedly connected with a square cylinder, the inner wall of the square cylinder is provided with a square column, the bottom of the square column is fixedly connected with a scratching head, the surface of the square column is fixedly connected with a limiting ring, the bottom of the limiting ring is attached to the upper surface of the square cylinder, the upper surface of the supporting plate is fixedly connected with a positioning cylinder, the inner wall of the positioning cylinder is provided with a counterweight, the upper surface of the counterweight is fixedly connected with an iron block, the upper surface of the iron block is provided with an electromagnet, the upper surface of the electromagnet and the surface of the square column are both fixedly connected with a connecting plate.

[0007] The utility model further sets up, the inside of placing board is equipped with the positioning hole, the inner wall of positioning hole and the upper surface of bottom plate all are pasted in setting up the positioning post.

[0008] The utility model further sets up, the electromagnet is located the just above of iron piece, and electromagnet's attraction to iron piece is greater than the gravity of iron piece and counterweight.

[0009] The utility model further sets up, the inside of supporting plate is equipped with the vent hole, the vent hole is located below counterweight.

[0010] The utility model further sets up, the inside of supporting plate is equipped with the sliding hole, the inner wall of sliding hole and the bottom of counterweight all are pasted in setting up the jacking rod, the surface of jacking rod is fixedly connected with the baffle ring, the bottom of baffle ring and the upper surface of supporting plate are pasted, the bottom of jacking rod is fixedly connected with the hammering block.

[0011] The utility model further sets up, the center of jacking rod, counterweight and hammering block all is in same vertical line, the surface of jacking rod is fixedly connected with the reinforcing block, the bottom of reinforcing block and the upper surface of hammering block are fixedly connected.

[0012] The utility model discloses a supporting plate, hole, square cylinder, square column, scraping head, limit ring, positioning cylinder, counterweight, iron piece, electromagnet and the cooperation of connecting plate, make this test device through changing the opening quantity of electromagnet, can automatically change the pressure of scraping head to hub, and further make this test device use more convenient.

[0013] The utility model discloses a sliding hole, jacking rod, baffle ring and hammering block's cooperation, after making counterweight be stuck in positioning cylinder, user can pass through hammering hammering block, make jacking rod to counterweight produce the upward force, and make counterweight and positioning cylinder between loose, and further convenient for user to take away the counterweight stuck in positioning cylinder. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the front view of the structure of the utility model;

[0015] Figure 2 It is Figure 1 The enlarged view of A in it;

[0016] Figure 3 It is Figure 1 The sectional view of B-B in it;

[0017] Figure 4 It is Figure 3 The enlarged view of C in it;

[0018] Figure 5 It is Figure 3 The sectional view of D-D in it;

[0019] Figure 6 This is a right view of the placement plate in this utility model;

[0020] Figure 7 This is a top view of the placement plate in this utility model;

[0021] Figure 8 This is a top view of the support plate in this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1. Base plate; 2. First electric push rod; 3. Placement plate; 4. Trapezoidal groove; 5. Trapezoidal column; 6. Second electric push rod; 7. Support plate; 8. Through hole; 9. Square cylinder; 10. Square column; 11. Scraper head; 12. Limiting ring; 13. Positioning cylinder; 14. Counterweight; 15. Iron block; 16. Electromagnet; 17. Connecting plate; 18. Positioning hole; 19. Positioning column; 20. Vent hole; 21. Sliding hole; 22. Top rod; 23. Retaining ring; 24. Hammering block; 25. Reinforcing block. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] like Figures 1 to 8As shown, an aluminum alloy forging hub coating test device, including the bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected with the first electric push rod 2, the right side of the first electric push rod 2 is fixedly connected with the placement plate 3, the bottom of the placement plate 3 is provided with trapezoidal slot 4, the inner wall of the trapezoidal slot 4 is provided with trapezoidal column 5, the bottom of the trapezoidal column 5 is fixedly connected with the upper surface of the bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected with the second electric push rod 6, the upper surface of the second electric push rod 6 is fixedly connected with the support plate 7, the inside of the support plate 7 is provided with through hole 8, the inner wall of the through hole 8 is fixedly connected with square cylinder 9, the inner wall of the square cylinder 9 is provided with square column 10, the bottom of the square column 10 is fixedly connected with scraping head 11, the surface of the square column 10 is fixedly connected with limiting ring 12, the bottom of the limiting ring 12 is attached to the upper surface of the square cylinder 9, the upper surface of the support plate 7 is fixedly connected with positioning cylinder 13, the inner wall of the positioning cylinder 13 is provided with counterweight 14, the upper surface of the counterweight 14 is fixedly connected with iron block 15, the upper surface of the iron block 15 is provided with electromagnet 16, the upper surface of the electromagnet 16 and the surface of the square column 10 are both fixedly connected with connecting plate 17, the inside of the placement plate 3 is provided with positioning hole 18, the inner wall of the positioning hole 18 and the upper surface of the bottom plate 1 are both provided with positioning column 19.

[0027] Among them, the electromagnet 16 is located directly above the iron block 15, and the suction force of the electromagnet 16 on the iron block 15 is greater than the weight sum of the iron block 15 and the counterweight 14, the inside of the support plate 7 is provided with air hole 20, the air hole 20 is located below the counterweight 14.

[0028] It should be noted that through the cooperation of the trapezoidal slot 4 and the trapezoidal column 5, the placement plate 3 can only move left and right, and the first electric push rod 2 controls the left and right movement of the placement plate 3, when the positioning column 19 is inserted into the positioning hole 18, the positioning column 19 can position the hub on the placement plate 3, the second electric push rod 6 controls the up and down movement of the support plate 7, through the cooperation of the square cylinder 9 and the square column 10, the scraping head 11 can only move up and down, when the support plate 7 moves up, through the cooperation of the square cylinder 9 and the limiting ring 12, the scraping head 11 moves up, when the scraping head 11 contacts the hub, and the limiting ring 12 separates from the square cylinder 9, the scraping head 11 can press the hub, and when the hub moves horizontally, the scraping head 11 can scrape the coating on the surface of the hub.

[0029] By positioning, when the counterweight 14 moves in the positioning cylinder 13, the air inside and outside the positioning cylinder 13 can flow through the air holes 20, when the electromagnet 16 is opened, the attraction of the electromagnet 16 to the iron block 15 can make the counterweight 14 move together with the support plate 7, at the same time, by changing the opening number of the electromagnet 16, the pressure of the scraping head 11 on the hub can be changed, the counterweight 14 is made of aluminum, and the counterweight 14 has no magnetism when the electromagnet 16 attracts the iron block 15.

[0030] As shown in Figures 1 to 8 The inner part of the support plate 7 is provided with a sliding hole 21, the inner wall of the sliding hole 21 and the bottom of the counterweight 14 are provided with a jacking rod 22, the surface of the jacking rod 22 is fixedly connected with a blocking ring 23, the bottom of the blocking ring 23 is attached to the upper surface of the support plate 7, and the bottom of the jacking rod 22 is fixedly connected with a hammering block 24.

[0031] Among them, the center of the jacking rod 22, the counterweight 14 and the hammering block 24 are on the same vertical line, the surface of the jacking rod 22 is fixedly connected with a reinforcing block 25, and the bottom of the reinforcing block 25 is fixedly connected with the upper surface of the hammering block 24.

[0032] It should be noted that when the counterweight 14 is stuck in the positioning cylinder 13, the user can hammer the hammering block 24 to make the jacking rod 22 generate an upward force on the counterweight 14 and make the counterweight 14 loose with the positioning cylinder 13, thereby facilitating the user to take away the counterweight 14 stuck in the positioning cylinder 13.

[0033] The working principle of the utility model is: first, according to the size of the hub, the positioning column 19 is inserted into the specified positioning hole 18, then the hub is placed on the placing plate 3 and positioned by the positioning column 19, then according to the test requirement, a specified number of electromagnets 16 are opened, at this time, by cooperating the electromagnet 16 with the iron block 15, a specified number of counterweights 14 can be fixed together with the connecting plate 17, then the scraping head 11 is moved downward by the second electric push rod 6, when the scraping head 11 contacts the hub and the limiting ring 12 separates from the square cylinder 9, the second electric push rod 6 stops shrinking, at this time, the counterweight 14 fixed together with the connecting plate 17 will be separated from the support plate 7, then the counterweight 14 fixed at the bottom of the connecting plate 17 makes the scraping head 11 apply a specified size of pressure on the surface of the hub, then the first electric push rod 2 controls the hub to move left and right, and the plating layer on the surface of the hub is scraped by the scraping head 11.

[0034] When the pressure of the scraping head 11 to the surface of the wheel hub needs to be adjusted, the scraping head 11 is separated from the wheel hub and the counterweight 14 is contacted with the support plate 7 through the second electric push rod 6, then the number of the counterweight 14 fixed under the connecting plate 17 is changed by changing the opening number of the electromagnet 16, at this time, the pressure of the scraping head 11 to the surface of the wheel hub is changed by changing the number of the counterweight 14 fixed under the connecting plate 17.

[0035] The preferred embodiments of the present application are described above, it should be noted that for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered within the scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specifically described and limited, are implemented according to the conventional means in the art.

Claims

1. An aluminum alloy forged wheel hub coating test apparatus characterized by: The utility model provides a kind of electric push rod type automatic scraping device, including bottom plate (1), the upper surface of the bottom plate (1) is fixedly connected with first electric push rod (2), the right side of the first electric push rod (2) is fixedly connected with placing plate (3), the bottom of the placing plate (3) is equipped with trapezoidal slot (4), the inner wall of the trapezoidal slot (4) is attached with trapezoidal column (5), the bottom of the trapezoidal column (5) is fixedly connected with the upper surface of bottom plate (1), the upper surface of the bottom plate (1) is fixedly connected with second electric push rod (6), the upper surface of the second electric push rod (6) is fixedly connected with support plate (7), the inside of the support plate (7) is equipped with through-hole (8), the inner wall of the through-hole (8) is fixedly connected with square cylinder (9), the inner wall of the square cylinder (9) is attached with square column (10), the surface of the square column (10) is fixedly connected with limit ring (12), the bottom of the limit ring (12) is attached with the upper surface of square cylinder (9), the upper surface of the support plate (7) is fixedly connected with positioning cylinder (13), the inner wall of the positioning cylinder (13) is attached with counterweight (14), the upper surface of the counterweight (14) is fixedly connected with iron block (15), the upper surface of the iron block (15) is attached with electromagnet (16), the upper surface of the electromagnet (16) and the surface of square column (10) are both fixedly connected with connecting plate (17).

2. The test apparatus for plated layers of an aluminum alloy forged wheel hub according to claim 1, characterized in that: The inside of the placing plate (3) is equipped with positioning hole (18), the inner wall of the positioning hole (18) and the upper surface of bottom plate (1) are both attached with positioning column (19).

3. The test apparatus for plated layers of an aluminum alloy forged wheel hub of claim 1, wherein: The electromagnet (16) is located directly above the iron block (15), and the suction force of the electromagnet (16) on the iron block (15) is greater than the weight sum of the iron block (15) and the counterweight (14).

4. The test apparatus for plated coatings on aluminum alloy forged wheel hubs of claim 1 wherein: The inside of the support plate (7) is equipped with air hole (20), and the air hole (20) is located below the counterweight (14).

5. The test apparatus for plated coatings on aluminum alloy forged wheel hubs of claim 1 wherein: The inside of the support plate (7) is equipped with sliding hole (21), the inner wall of the sliding hole (21) and the bottom of the counterweight (14) are both attached with jacking rod (22), the surface of the jacking rod (22) is fixedly connected with stop ring (23), the bottom of the stop ring (23) is attached with the upper surface of the support plate (7), and the bottom of the jacking rod (22) is fixedly connected with hammering block (24).

6. An aluminum alloy forged wheel hub coating test apparatus as defined in claim 5, wherein: The center of the jacking rod (22), the counterweight (14) and the hammering block (24) is on the same vertical line, the surface of the jacking rod (22) is fixedly connected with reinforcing block (25), and the bottom of the reinforcing block (25) is fixedly connected with the upper surface of the hammering block (24).

Images