A sandblasting device for roll coating refurbishment and repair

Abstract

This utility model discloses a sandblasting device for renovating and repairing roller coatings, including a sandblasting mounting housing, a sandblasting mounting assembly inside the housing, a roller clamping assembly on one side of the sandblasting mounting assembly, and a roller scraping assembly on the other side of the roller clamping assembly. This utility model improves upon existing technology. In practical use, through the sandblasting mounting assembly and a single drive source, the rollers rotate while the coating sprays reciprocate, solving the problems of low efficiency and uneven surface treatment associated with traditional manual grinding or chemical cleaning. While existing mechanical sandblasting equipment can improve cleaning efficiency, it suffers from insufficient roller clamping stability, leading to uneven sandblasting coverage due to easy deviation during operation.

Description

Technical Field

[0001] This utility model relates to the field of roll coating refurbishment and sandblasting, specifically to a roll coating refurbishment and sandblasting device. Background Technology

[0002] In industries such as steel and papermaking, the surface of rolling mill rolls often requires the application of wear-resistant and corrosion-resistant coatings to extend their service life. However, after long-term operation, the coating is prone to wear, peeling, or aging.

[0003] Traditional repair methods often involve manual grinding or chemical cleaning, which are inefficient and result in uneven surface treatment. While existing mechanical sandblasting equipment can improve cleaning efficiency, the roller clamping stability is insufficient, and deviation during operation can lead to uneven sandblasting coverage. Utility Model Content

[0004] In view of the problems in the related technologies, this utility model proposes a sand-washing device for the renovation and repair of roll coatings, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0005] Therefore, the specific technical solution adopted by this utility model is as follows:

[0006] A roll coating refurbishment and repair sandblasting device includes a refurbishment sandblasting mounting housing, a sandblasting mounting assembly is provided inside the refurbishment sandblasting mounting housing, a roll clamping assembly is provided on one side of the sandblasting mounting assembly, and a roll scraping assembly is provided on one side of the roll clamping assembly.

[0007] To achieve the purpose of sandblasting installation, the sandblasting installation component includes a reciprocating screw, a mounting support frame movably connected to the reciprocating screw, the mounting support frame being fixedly connected to the refurbished sandblasting installation housing, a reciprocating slider fitted around the reciprocating screw, symmetrical sliding limit grooves inside the reciprocating slider, a sliding limit rod slidably fitted inside the sliding limit groove, the sliding limit rod being connected to the refurbished sandblasting installation housing, a drive motor connected to one end of the reciprocating screw, the drive motor housing being connected to the mounting support frame, clamping installation rods symmetrically and movably connected inside the refurbished sandblasting installation housing, a transmission sprocket connected to one end of the clamping installation rod and the end of the reciprocating screw away from the drive motor, a transmission chain fitted around the transmission sprocket, and a nozzle mounting bracket connected to the bottom of the reciprocating slider.

[0008] Furthermore, a control switch is installed on one side of the refurbished sandblasting mounting housing, and the drive motor is electrically connected to an external power source through the control switch.

[0009] Furthermore, in order to achieve the function of clamping the roll, the roll clamping assembly includes a clamping mounting plate, which is connected to a clamping mounting rod. A threaded sleeve is fixedly connected to one side of the clamping mounting plate, and a threaded rod is threaded inside the threaded sleeve. An intermediate plate is movably connected to one end of the threaded rod. A clamping sleeve is connected to one side of the intermediate plate, and a sliding rod is connected to one side of the intermediate plate. The sliding rod is in sliding engagement with the clamping mounting plate.

[0010] Furthermore, a rotating handwheel is connected to the outer periphery of the threaded rod.

[0011] Furthermore, in order to achieve the scraping effect of the roll, the roll scraping assembly includes an electric push rod, which passes through the refurbishing sandblasting mounting housing. The output end of the electric push rod is connected to a scraping moving plate, and a cleaning scraper is installed on one side of the scraping moving plate. A push rod fixing frame is provided around the electric push rod.

[0012] Furthermore, the electric actuator is electrically connected to an external power source via a control switch.

[0013] Furthermore, a waste removal door is installed on one side of the refurbished sandblasting installation housing.

[0014] The beneficial effects of this utility model are as follows:

[0015] (1) This utility model improves upon the existing technology. In actual use, by using a sandblasting installation component and a single drive source, the rollers can rotate while the spraying process can also reciprocate, solving the problems of low efficiency and uneven surface treatment caused by traditional manual grinding or chemical cleaning. Although existing mechanical sandblasting equipment can improve cleaning efficiency, the roller clamping stability is insufficient, and the rollers are prone to deviation during operation, resulting in uneven sandblasting coverage.

[0016] (2) In actual use, during roll installation, rotating the handwheel drives the threaded rod to move forward and backward within the threaded sleeve. The threaded sleeve is fixed to the clamping mounting plate, and the threaded rod pushes the intermediate plate to move parallel. The clamping sleeve connected to the intermediate plate clamps or loosens the end of the roll accordingly. The sliding rod passes through the clamping mounting plate and is fixed to the intermediate plate to ensure the stability of the clamping sleeve's movement trajectory. The clamping mounting plate is fixed to the end of the rotating clamping mounting rod, so that the roll rotates synchronously with the clamping mounting rod during sandblasting. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1This is a schematic diagram of the main structure of a roll coating refurbishment and repair sandblasting device according to an embodiment of the present utility model;

[0019] Figure 2 This is a perspective view of a sandblasting device for renovating and repairing the coating of a rolling mill according to an embodiment of the present utility model;

[0020] Figure 3 This is a schematic diagram of the sand-flushing installation component in a sand-flushing device for renovating and repairing the coating of a roll according to an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the roll clamping assembly in a roll coating refurbishment and sandblasting device according to an embodiment of the present utility model.

[0022] In the picture:

[0023] 1. Refurbished sandblasting mounting housing; 2. Sandblasting mounting assembly; 201. Reciprocating lead screw; 202. Mounting support frame; 203. Reciprocating slider; 204. Sliding limit groove; 205. Sliding limit rod; 206. Drive motor; 207. Clamping mounting rod; 208. Transmission sprocket; 209. Transmission chain; 210. Nozzle mounting bracket; 3. Roll clamping assembly; 301. Clamping mounting plate; 302. Threaded sleeve; 303. Threaded rod; 304. Intermediate plate; 305. Clamping sleeve; 306. Sliding rod; 4. Roll scraping assembly; 401. Electric push rod; 402. Scraping moving plate; 403. Cleaning scraper; 404. Push rod fixing frame; 5. Control switch; 6. Rotary handwheel; 7. Waste removal door. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] According to an embodiment of the present invention, a roll coating refurbishment and repair sandblasting device is provided, including a refurbishment and sandblasting mounting housing 1, a sandblasting mounting component 2 is provided inside the refurbishment and sandblasting mounting housing 1, a roll clamping component 3 is provided on one side of the sandblasting mounting component 2, and a roll scraping component 4 is provided on one side of the roll clamping component 3.

[0026] like Figure 1-4As shown, according to an embodiment of the present invention, the sandblasting device for roll coating refurbishment and repair includes a sandblasting mounting assembly 2 comprising a reciprocating screw 201, a mounting support frame 202 movably connected to the periphery of the reciprocating screw 201, the mounting support frame 202 being fixedly connected to the refurbishment sandblasting mounting housing 1, a reciprocating slider 203 cooperating with the periphery of the reciprocating screw 201, symmetrically provided sliding limit grooves 204 inside the reciprocating slider 203, and a sliding limit rod 205 slidably cooperating inside the sliding limit grooves 204, the sliding limit rod 205 being connected to the refurbishment sandblasting mounting housing 1, and the reciprocating screw 201... A drive motor 206 is connected to the end of the refurbishing sandblasting mounting housing 1. The housing of the drive motor 206 is connected to the mounting support frame 202. A clamping mounting rod 207 is symmetrically and movably connected inside the refurbishing sandblasting mounting housing 1. A transmission sprocket 208 is connected to one end of the clamping mounting rod 207 and the end of the reciprocating screw 201 away from the drive motor 206. A transmission chain 209 is fitted around the transmission sprocket 208. A nozzle mounting frame 210 is connected to the bottom of the reciprocating slider 203. A control switch 5 is installed on one side of the refurbishing sandblasting mounting housing 1. The drive motor 206 is electrically connected to an external power source through the control switch 5.

[0027] Through the above technical solution, the drive motor 206 is started by the control switch 5, which drives the reciprocating screw 201 to rotate under the support of the mounting bracket 202. The reciprocating slider 203 cooperates with the reciprocating screw 201 and moves linearly along the sliding limit rod 205 in the sliding limit groove 204. The two ends of the sliding limit rod 205 are fixed to the refurbishing sandblasting mounting housing 1. At the same time, the transmission sprocket 208 at the end of the reciprocating screw 201 drives the transmission sprocket 208 on the clamping mounting rod 207 through the transmission chain 209, so that the clamping mounting rod 207 rotates synchronously. The nozzle mounting bracket 210 at the bottom of the reciprocating slider 203 carries the sandblasting nozzle and moves at a uniform speed along the axial direction of the roll to achieve full coverage sandblasting treatment of the roll surface. The sandblasting nozzle can be connected to a sandblasting machine of model MH-400P through a pipeline for sandblasting work. During use, the equipment is covered with a transparent protective cover to prevent sand and gravel from splashing out and polluting the environment.

[0028] like Figure 1-4 As shown, according to the embodiment of the present invention, the roll coating refurbishment and maintenance sandblasting device includes a roll clamping assembly 3 comprising a clamping mounting plate 301, which is connected to a clamping mounting rod 207. A threaded sleeve 302 is fixedly connected to one side of the clamping mounting plate 301. A threaded rod 303 is threadedly fitted inside the threaded sleeve 302. An intermediate plate 304 is movably connected to one end of the threaded rod 303. A clamping sleeve 305 is connected to one side of the intermediate plate 304. A sliding rod 306 is connected to one side of the intermediate plate 304. The sliding rod 306 is slidably fitted with the clamping mounting plate 301. A rotating handwheel 6 is connected to the periphery of the threaded rod 303.

[0029] With the above technical solution, during roll installation, rotating the handwheel 6 drives the threaded rod 303 to move forward and backward within the threaded sleeve 302. The threaded sleeve 302 is fixed to the clamping mounting plate 301. The threaded rod 303 pushes the intermediate plate 304 to move parallel, and the clamping sleeve 305 connected to the intermediate plate 304 clamps or loosens the end of the roll accordingly. The sliding rod 306 passes through the clamping mounting plate 301 and is fixedly connected to the intermediate plate 304 to ensure the stability of the movement trajectory of the clamping sleeve 305. The clamping mounting plate 301 is fixed to the end of the rotating clamping mounting rod 207, so that the roll rotates synchronously with the clamping mounting rod 207 during sandblasting.

[0030] like Figure 1-4 As shown, according to the embodiment of the present utility model, the roll coating refurbishment and maintenance sandblasting device includes a roll scraping assembly 4, which includes an electric push rod 401 that passes through the refurbishment and sandblasting mounting housing 1. The output end of the electric push rod 401 is connected to a scraping moving plate 402. A cleaning scraper 403 is installed on one side of the scraping moving plate 402. A push rod fixing frame 404 is provided around the electric push rod 401. The electric push rod 401 is electrically connected to an external power source through a control switch 5. A waste material removal door 7 is installed on one side of the refurbishment and sandblasting mounting housing 1.

[0031] Through the above technical solution, during the sandblasting process, the electric push rod 401 is activated under the support of the push rod fixing frame 404, pushing the scraping moving plate 402 to move laterally. The cleaning scraper 403 scrapes away residual coating debris close to the surface of the roller. Waste is collected and cleaned through the waste removal door 7 at the bottom of the refurbished sandblasting installation housing 1. Both the electric push rod 401 and the drive motor 206 are independently controlled by the control switch 5 to switch on and off.

[0032] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0033] The drive motor 206 is started by control switch 5, which drives the reciprocating screw 201 to rotate under the support of the mounting bracket 202. The reciprocating slider 203 cooperates with the reciprocating screw 201 and moves linearly along the sliding limit rod 205 in the sliding limit groove 204. The two ends of the sliding limit rod 205 are fixed to the refurbishing sandblasting mounting housing 1. At the same time, the transmission sprocket 208 at the end of the reciprocating screw 201 drives the transmission sprocket 208 on the clamping mounting rod 207 through the transmission chain 209, so that the clamping mounting rod 207 rotates synchronously. The nozzle mounting bracket 210 at the bottom of the reciprocating slider 203 carries the sandblasting nozzle and moves at a constant speed along the axial direction of the roll to achieve full coverage sandblasting treatment of the roll surface. The sandblasting nozzle can be connected to a sandblasting machine of model MH-400P through a pipeline for sandblasting work.

[0034] During roll installation, rotating handwheel 6 drives threaded rod 303 to move forward and backward within threaded sleeve 302. Threaded sleeve 302 is fixed to clamping mounting plate 301. Threaded rod 303 pushes intermediate plate 304 to move parallel, causing clamping sleeve 305 connected to intermediate plate 304 to clamp or loosen the roll end accordingly. Sliding rod 306 passes through clamping mounting plate 301 and is fixedly connected to intermediate plate 304, ensuring stable movement of clamping sleeve 305. Clamping mounting plate 301 is fixed to the end of rotating clamping mounting rod 207, allowing the roll to rotate synchronously with clamping mounting rod 207 during sandblasting.

[0035] During sandblasting, the electric push rod 401, supported by the push rod fixing frame 404, is activated, pushing the scraper moving plate 402 to move laterally. The cleaning scraper 403 scrapes away residual coating debris against the surface of the roller. Waste is collected and cleaned through the waste removal door 7 at the bottom of the refurbished sandblasting installation housing 1. Both the electric push rod 401 and the drive motor 206 are independently controlled by the control switch 5 to switch on and off.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A roll coating refurbishment sand blast apparatus characterized by, It includes a refurbished sand-filling mounting housing (1), a sand-filling mounting assembly (2) is provided inside the refurbished sand-filling mounting housing (1), a roll clamping assembly (3) is provided on one side of the sand-filling mounting assembly (2), and a roll scraping assembly (4) is provided on one side of the roll clamping assembly (3).

2. A roll coating refurbishment sand blast apparatus as claimed in claim 1 wherein, The sandblasting installation assembly (2) includes a reciprocating screw (201), a mounting support frame (202) is movably connected to the periphery of the reciprocating screw (201), the mounting support frame (202) is fixedly connected to the refurbished sandblasting installation housing (1), a reciprocating slider (203) is fitted around the periphery of the reciprocating screw (201), a sliding limit groove (204) is symmetrically opened inside the reciprocating slider (203), a sliding limit rod (205) is slidably fitted inside the sliding limit groove (204), and the sliding limit rod (205) is connected to the refurbished sandblasting installation housing (1). One end of the reciprocating screw (201) is connected to a drive motor (206). The housing of the drive motor (206) is connected to the mounting support frame (202). The interior of the refurbished sandblasting mounting housing (1) is symmetrically connected to a clamping mounting rod (207). One end of the clamping mounting rod (207) and the end of the reciprocating screw (201) away from the drive motor (206) are connected to a transmission sprocket (208). The outer periphery of the transmission sprocket (208) is fitted with a transmission chain (209). The bottom of the reciprocating slider (203) is connected to a nozzle mounting frame (210).

3. A roll coating refurbishment sand blast apparatus as claimed in claim 2, wherein, A control switch (5) is installed on one side of the refurbished sandblasting mounting housing (1), and the drive motor (206) is electrically connected to an external power source through the control switch (5).

4. A roll coating refurbishment sand blast apparatus as claimed in claim 3, wherein, The roll clamping assembly (3) includes a clamping mounting plate (301), which is connected to a clamping mounting rod (207). A threaded sleeve (302) is fixedly connected to one side of the clamping mounting plate (301). A threaded rod (303) is threaded inside the threaded sleeve (302). An intermediate plate (304) is movably connected to one end of the threaded rod (303). A clamping sleeve (305) is connected to one side of the intermediate plate (304). A sliding rod (306) is connected to one side of the intermediate plate (304). The sliding rod (306) is slidably engaged with the clamping mounting plate (301).

5. A roll coating refurbishment sand blast apparatus as claimed in claim 4, wherein, A rotating handwheel (6) is connected to the outer periphery of the threaded rod (303).

6. A roll coating refurbishment sand blast apparatus as claimed in claim 5, wherein, The roll scraping assembly (4) includes an electric push rod (401), which passes through the refurbishing sandblasting installation housing (1). The output end of the electric push rod (401) is connected to a scraping moving plate (402), and a cleaning scraper (403) is installed on one side of the scraping moving plate (402). A push rod fixing frame (404) is provided around the electric push rod (401).

7. A roll coating refurbishment sand blast apparatus as claimed in claim 6, wherein, The electric push rod (401) is electrically connected to an external power source via a control switch (5).

8. A roll coating refurbishment sand blast apparatus as claimed in claim 7, wherein, The refurbished sand-filled housing (1) has a waste removal door (7) installed on one side.

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