Hammering type liquid nitrogen paint removal system
Through the combination of helical tooth stepping conveyor, industrial transfer robot and jaw crusher, and the use of liquid nitrogen freezing and hammering technology, the problem of paint accumulation on the hanger was solved, and an efficient and safe paint stripping process was achieved.
Patent Information
- Application Number
- CN202422535042.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-21
AI Technical Summary
In the existing technology, the paint layer on the hanger becomes thicker after multiple cycles, making it impossible to hang the workpiece. The heat accumulated during drying can cause safety accidents. The traditional treatment method pollutes the environment and is inefficient.
The materials are divided by a helical tooth stepping conveyor, combined with an industrial transfer robot and a liquid nitrogen pool for freezing, and hammered by a jaw crusher. The hanger is sent into the liquid nitrogen pool through a grabbing mechanism and hammered in the jaw crusher to remove paint residue.
The invention realizes efficient paint stripping of the hanger, avoids environmental pollution and labor consumption, improves production efficiency and reduces safety hazards.
Smart Images
Figure CN223382198U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paint stripping for hangers, in particular to a hammering type liquid nitrogen paint stripping system. Background Art
[0002] During the powder coating process for aluminum profiles or appliance housings, the hangers that hold the workpieces are painted along with the workpieces. After multiple cycles, the paint on the hangers becomes thicker, making it impossible to hang the workpieces. Heat also accumulates during the drying process, causing fires and other safety hazards. Therefore, in actual production, the accumulated paint on the hangers is treated specifically by methods such as burning or manually knocking them off. However, these methods are environmentally friendly, labor-intensive, and inefficient. Traditional pneumatic hammers or crushers are also used in the industry to strike the hangers. To address this, we have incorporated and improved upon traditional industry methods, providing a hammering liquid nitrogen paint stripping system. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of the utility model is to provide a hammering liquid nitrogen paint stripping system to solve the problem of further improving the treatment of the paint layer accumulated on the hanger.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hammering type liquid nitrogen paint stripping system, comprising a helical tooth stepping conveyor, an industrial transfer robot, a liquid nitrogen pool and a jaw crusher, the helical tooth stepping conveyor drives the hanger to drop materials on the tooth bevel of the fixed rack plate in sequence through the tooth bevel of the movable rack plate that reciprocates up and down, and the hanger is placed horizontally in the tooth groove of the fixed rack plate at intervals, the end of the industrial transfer robot is installed with a grabbing mechanism, and the hanger arranged on the helical tooth stepping conveyor is grabbed by the grabbing mechanism, and the industrial transfer robot transfers the hanger and extends it into the liquid nitrogen pool with the hanger through the grabbing mechanism, and the hanger soaked in the liquid nitrogen pool is fixed by a mounting bracket, and the hangers on the mounting bracket are arranged at intervals in sequence, the mounting bracket is suspended on the frame of the jaw crusher, and the hanger on the mounting bracket is suspended vertically between the two jaw plates of the crushing chamber of the jaw crusher, and the hangers are arranged at intervals in sequence along the longitudinal length direction of the jaw plate surface.
[0005] Preferably, the gripping mechanism includes a fixed frame fixed to the end of the industrial transfer robot, a driving cylinder fixed to the fixed frame, two sets of fixed clamping arms fixed to both ends of the fixed frame, two sets of movable clamping arms movably arranged on the outside of the two sets of fixed clamping arms, and a connecting rod connecting the two sets of movable clamping arms;
[0006] The connecting rod is fixed to the telescopic end of the driving cylinder, and a movable groove is provided on the fixed clamping arm along the length direction. The connecting rod passes through the movable grooves of the two groups of fixed clamping arms, and the connecting rod is driven by the driving cylinder to move along the movable groove. Evenly distributed teeth are provided on the fixed clamping arm along the length direction, and the movable clamping arm is provided with a slot corresponding to the teeth along the length direction. The hanger is located on the teeth at corresponding positions on the two groups of fixed clamping arms, and the slot is pushed by the driving cylinder to abut against the surface of the hanger, and the hanger is locked by the slot and the teeth.
[0007] Preferably, the slot is a right-angled trapezoidal slot with an open upper bottom, and the slot is locked to the hanger through the oblique waist of the trapezoidal slot.
[0008] Preferably, the grabbing mechanism is U-shaped, and the distance between the two groups of fixed clamping arms is greater than the distance between the two groups of fixed rack plates on the outer sides of the helical gear stepping conveyor.
[0009] Preferably, the industrial transfer robot is located between the helical gear stepping conveyor and the jaw crusher.
[0010] Preferably, the hanger on the mounting frame faces the movable jaw plate.
[0011] Preferably, the mounting frame includes an upper clamping plate, a lower clamping plate and a rotating paddle, and clamping grooves are correspondingly arranged on the upper clamping plate and the lower clamping plate. The rotating paddle is connected to the back plate of the upper clamping plate for damping rotation, and the hanger is vertically installed on the clamping grooves of the upper clamping plate and the lower clamping plate, and adjacent hangers are stacked and pressed in sequence, and the rotating paddle is rotated until it abuts against the surface of the hanger, and the hanger is held and locked by the rotating paddle and the clamping groove of the upper clamping plate.
[0012] The utility model has the following beneficial effects:
[0013] 1. The materials are divided by a helical stepping conveyor, frozen with liquid nitrogen by an industrial transfer robot, and then hammered by a jaw crusher to knock off the paint residue on the hanger, thus achieving paint removal of the hanger;
[0014] 2. After being frozen with liquid nitrogen, the paint surface becomes brittle and it is easier to knock off the paint residue. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a structural diagram of the helical gear stepping conveyor of the utility model;
[0017] Figure 3 This is a structural diagram of the movable rack plate and the fixed rack plate of the utility model;
[0018] Figure 4This is a schematic diagram of the structure of the industrial transfer robot of this utility model;
[0019] Figure 5 This is a schematic diagram of the structure of the grabbing mechanism of the utility model;
[0020] Figure 6 This is a schematic diagram of the structure of the jaw crusher of the utility model;
[0021] Figure 7 This is a structural diagram of the mounting bracket of the utility model.
[0022] In the figure: 1. Helical tooth stepping conveyor; 11. Movable rack plate; 12. Fixed rack plate; 2. Industrial transfer robot; 3. Liquid nitrogen tank; 4. Jaw crusher; 41. Jaw plate; 5. Hanger; 6. Grabbing mechanism; 61. Fixed frame; 62. Drive cylinder; 63. Fixed clamping arm; 631. Movable slot; 632. Teeth; 64. Movable clamping arm; 641. Clamping slot; 65. Connecting rod; 7. Mounting frame; 71. Upper clamping plate; 72. Lower clamping plate; 73. Rotating paddle; 74. Clamping slot. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] like Figure 1-7 As shown, the utility model provides a technical solution: a hammering liquid nitrogen paint stripping system, comprising a helical tooth stepping conveyor 1, an industrial transfer robot 2, a liquid nitrogen pool 3 and a jaw crusher 4, the industrial transfer robot 2 is located between the helical tooth stepping conveyor 1 and the jaw crusher 4, the helical tooth stepping conveyor 1 drives the hanger 5 on the tooth bevel of the fixed rack plate 12 through the tooth bevel of the movable rack plate 11 that moves up and down to drop materials in sequence, the hanger 5 is placed horizontally in the tooth groove of the fixed rack plate 12 at intervals, the end of the industrial transfer robot 2 is installed with a grabbing mechanism 6, and through the grabbing mechanism The mechanism 6 grabs the hangers 5 arranged on the helical tooth stepping conveyor 1, and the industrial transfer robot 2 transfers the hangers 5 and extends the hangers 5 into the liquid nitrogen pool 3 through the grabbing mechanism 6, and the hangers 5 soaked in the liquid nitrogen pool 3 are fixed by the mounting frame 7, and the hangers 5 on the mounting frame 7 are arranged in sequence at intervals, and the mounting frame 7 is suspended on the frame of the jaw crusher 4, and the hangers 5 on the mounting frame 7 are suspended vertically between the two jaw plates 41 of the crushing chamber of the jaw crusher 4, and the hangers 5 are arranged in sequence at intervals along the longitudinal length direction of the jaw plate 41, and the hangers 5 on the mounting frame 7 face the movable jaw plate 41;
[0025] The gripping mechanism 6 is U-shaped, and the distance between the two sets of fixed clamping arms 63 is greater than the distance between the two sets of fixed rack plates 12 outside the helical stepping conveyor 1. The gripping mechanism 6 includes a fixed frame 61 fixed to the end of the industrial transfer robot 2, a driving cylinder 62 fixed to the fixed frame 61, two sets of fixed clamping arms 63 fixed to both ends of the fixed frame 61, two sets of movable clamping arms 64 movably arranged on the outside of the two sets of fixed clamping arms 63, and a connecting rod 65 connecting the two sets of movable clamping arms 64;
[0026] The connecting rod 65 is fixed to the telescopic end of the driving cylinder 62, and a movable groove 631 is provided on the fixed clamping arm 63 along the length direction. The connecting rod 65 passes through the movable grooves 631 of the two groups of fixed clamping arms 63, and the connecting rod 65 is driven by the driving cylinder 62 to move along the movable groove 631. Evenly distributed teeth 632 are provided on the fixed clamping arm 63 along the length direction, and a clamping groove 641 is provided corresponding to the teeth 632 along the length direction of the movable clamping arm 64. The hanger 5 is located on the teeth 632 at corresponding positions on the two groups of fixed clamping arms 63. The clamping groove 641 is pushed by the driving cylinder 62 to abut against the surface of the hanger 5, and the hanger 5 is locked by the clamping groove 641 and the teeth 632. The clamping groove 641 is a right-angled trapezoidal groove with an open upper bottom, and the clamping groove 641 locks the hanger 5 through the hypotenuse waist of the trapezoidal groove;
[0027] The mounting frame 7 includes an upper clamping plate 71, a lower clamping plate 72 and a rotating paddle 73. Clamping grooves 74 are correspondingly provided on the upper clamping plate 71 and the lower clamping plate 72. The rotating paddle 73 is connected to the back plate of the upper clamping plate 71 for damped rotation. The hanger 5 is vertically mounted on the clamping grooves 74 of the upper clamping plate 71 and the lower clamping plate 72, and adjacent hangers 5 are stacked and pressed in sequence. The rotating paddle 73 is rotated until it abuts against the surface of the hanger 5, and the hanger 5 is held and locked by the rotating paddle 73 and the clamping groove 74 of the upper clamping plate 71.
[0028] When in use, the hanger 5 is divided by the helical tooth stepping conveyor 1, the hanger 5 is frozen with liquid nitrogen by the industrial transfer robot 2, and then the hanger 5 is hammered by the jaw crusher 4 to knock off the paint residue on the hanger 5, thereby achieving paint removal of the hanger 5.
[0029] It should be noted that, in this document, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.
[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hammering liquid nitrogen paint stripping system, characterized by: The invention comprises a helical tooth stepping conveyor (1), an industrial transfer robot (2), a liquid nitrogen pool (3) and a jaw crusher (4). The helical tooth stepping conveyor (1) drives the hangers (5) to drop materials on the tooth bevel of the fixed rack plate (12) in sequence through the tooth bevel of the movable rack plate (11) that moves up and down. The hangers (5) are placed horizontally in the tooth grooves of the fixed rack plate (12) at intervals. A gripping mechanism (6) is installed at the end of the industrial transfer robot (2), and the gripping mechanism (6) grips the hangers (5) arranged on the helical tooth stepping conveyor (1). The industrial transfer robot (2) transfers the hanger (5) and extends the hanger (5) into the liquid nitrogen pool (3) through the grasping mechanism (6), and the hanger (5) soaked in the liquid nitrogen pool (3) is fixed by the mounting frame (7), and the hangers (5) on the mounting frame (7) are arranged in sequence at intervals, the mounting frame (7) is suspended on the frame of the jaw crusher (4), and the hangers (5) on the mounting frame (7) are suspended vertically between the two jaw plates (41) of the crushing chamber of the jaw crusher (4), and the hangers (5) are arranged in sequence at intervals along the longitudinal length direction of the jaw plate (41).
2. A hammer-type liquid nitrogen paint stripping system according to claim 1, characterized in that: The gripping mechanism (6) comprises a fixed frame (61) fixed to the end of the industrial transfer robot (2), a driving cylinder (62) fixed to the fixed frame (61), two sets of fixed clamping arms (63) fixed to both ends of the fixed frame (61), two sets of movable clamping arms (64) movably arranged outside the two sets of fixed clamping arms (63), and a connecting rod (65) connecting the two sets of movable clamping arms (64); The connecting rod (65) is fixed to the telescopic end of the driving cylinder (62); a movable groove (631) is provided on the fixed clamping arm (63) along the length direction; the connecting rod (65) passes through the movable grooves (631) of the two groups of fixed clamping arms (63); and the connecting rod (65) is driven by the driving cylinder (62) to move along the movable groove (631); teeth (632) are evenly distributed along the length direction on the fixed clamping arm (63); and a clamping groove (641) is provided on the movable clamping arm (64) corresponding to the teeth (632) along the length direction; the hanger (5) is located on the teeth (632) at corresponding positions on the two groups of fixed clamping arms (63); the clamping groove (641) is pushed by the driving cylinder (62) to abut against the surface of the hanger (5), and the hanger (5) is held and locked by the clamping groove (641) and the teeth (632).
3. A hammer-type liquid nitrogen paint stripping system according to claim 2, characterized in that: The clamping slot (641) is a right-angled trapezoidal slot with an open upper bottom, and the clamping slot (641) is locked to the hanger (5) through the oblique waist of the trapezoidal slot.
4. A hammer-type liquid nitrogen paint stripping system according to claim 2, characterized in that: The grabbing mechanism (6) is U-shaped, and the distance between the two groups of fixed clamping arms (63) is greater than the distance between the two groups of fixed rack plates (12) outside the helical gear stepping conveyor (1).
5. The hammer-type liquid nitrogen paint stripping system according to claim 1, characterized in that: The industrial transfer robot (2) is located between the helical tooth stepping conveyor (1) and the jaw crusher (4).
6. The hammer-type liquid nitrogen paint stripping system according to claim 1, characterized in that: The hanger (5) on the mounting frame (7) faces the movable jaw plate (41).
7. The hammer-type liquid nitrogen paint stripping system according to claim 1, characterized in that: The mounting frame (7) includes an upper clamping plate (71), a lower clamping plate (72) and a rotating paddle (73), and the upper clamping plate (71) and the lower clamping plate (72) are provided with clamping grooves (74) correspondingly. The rotating paddle (73) is connected to the back plate of the upper clamping plate (71) in a damped rotation manner. The hanger (5) is vertically mounted on the clamping grooves (74) of the upper clamping plate (71) and the lower clamping plate (72), and adjacent hangers (5) are stacked and pressed in sequence. The rotating paddle (73) rotates until it abuts against the surface of the hanger (5), and the hanger (5) is held and locked by the rotating paddle (73) and the clamping groove (74) of the upper clamping plate (71).