Deformed steel bar welding pressurizing device

Abstract

The utility model relates to the technical field of pressurizing devices, in particular to a deformed steel bar welding pressurizing device. The clamping device comprises a mounting seat, round rods are fixedly connected to the two sides of the lower end of the mounting seat, a threaded rod is rotationally connected to the lower end of the mounting seat, a first clamping seat is slidably connected to the arc face of each round rod, a second clamping seat is fixedly connected to the lower end of each round rod, and the first clamping seats are in threaded connection with the threaded rods. By arranging the lubricating assembly, when a screw rod is lubricated, a lubricating cavity in a lubricating ring is filled with lubricating oil through an oil inlet mechanism, a worker rotates a handle to enable the screw rod to rotate, meanwhile, the lubricating ring moves along with the first clamping seat, a lubricating roller makes contact with the screw rod, and the lubricating roller is in contact with the screw rod; and therefore, the effects of reducing the labor intensity of workers and uniformly smearing the lubricating oil on the screw rod are achieved as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressurizing device technical field especially relates to a screw thread steel welding pressurizing device. BACKGROUND

[0002] The pressurizing device is used for pressurizing when welding two screw threads, and is composed of a mounting seat, a rotating shaft, a handle, a bevel gear set, a screw rod, a circular rod, a first clamping seat, a second clamping seat, a lead screw, a sliding rod and a clamping plate. When the pressurizing device is used, the mounting seat is pulled to make the second clamping seat close to a screw thread fixed by a fixing mechanism, and then the lead screw is twisted to push the clamping plate to the screw thread under the limitation of the sliding rod, so that the second clamping seat is fixed to the screw thread. Then, another screw thread is fixed by the first clamping seat in the same way, and the two screw threads are kept horizontally and vertically overlapped. Then, a welding cylinder is fixed to the connecting part of the two screw threads, and flux is put in. The power is connected to the screw thread to generate arc heat and resistance heat to melt the reinforcing steel bar. The worker can rotate the handle to rotate the rotating shaft, the first bevel gear and the second bevel gear, so that the screw rod is rotated, the first clamping seat is pressed up and down on the circular rod, and the upper screw thread is pressed down, so that the screw thread is welded.

[0003] The inventor found in daily work that when the pressurizing device is used, in order to keep the lubricity of the screw rod and the first clamping seat, the worker generally holds the lubricant by hand, extrudes the lubricant to the surface of the screw rod and applies it, but this not only may increase the labor intensity of the worker, but also may cause uneven application of the screw rod. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem that in the actual use process, in order to keep the lubricity of the screw rod and the first clamping seat, the worker generally holds the lubricant by hand, extrudes the lubricant to the surface of the screw rod and applies it, but this not only may increase the labor intensity of the worker, but also may cause uneven application of the screw rod, and proposes a screw thread steel welding pressurizing device.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of screw steel welding pressurizing device, including mounting seat, the lower end both sides of the mounting seat are fixedly connected with circular bar, the lower end of the mounting seat is rotatably connected with screw rod, the circular arc surface of the circular bar is slidably connected with first clamping seat, the lower end of the circular bar is fixedly connected with second clamping seat, the first clamping seat is threadedly connected with screw rod, the left end of the first clamping seat and second clamping seat is threadedly inserted with screw rod, the right end of the screw rod is rotatably connected with clamping plate, the inner circular arc surface of the clamping plate is provided with auxiliary clamping assembly, the circular arc surface of the clamping plate is fixedly connected with slide bar, the slide bar is slidably inserted first clamping seat, the upper end of the first clamping seat is provided with lubricating assembly, the top of the screw rod is fixedly connected with first bevel gear, the left end of the mounting seat is rotatably connected with rotating shaft, the left end of the rotating shaft is fixedly connected with handle, the circular arc surface of the rotating shaft is fixedly connected with second bevel gear, the first bevel gear and second bevel gear are engaged, and the lubricating assembly includes lubricating ring fixedly connected on the both sides of first clamping seat, a lubricating cavity is formed in the lubricating ring, the inner wall of the lubricating cavity is rotatably connected with lubricating roller, and the front of the mounting seat is provided with oil inlet mechanism.

[0006] The effect achieved by the above components is that by setting the lubricating assembly, when lubricating the screw rod, the lubricating cavity in the lubricating ring is filled with lubricating oil through the oil inlet mechanism, the worker rotates the handle to make the screw rod rotate, and the lubricating ring moves with the first clamping seat to make the lubricating roller contact the screw rod to rotate, thereby taking out the lubricating oil and applying it to the screw rod, and the labor intensity of the worker is reduced and the lubricating oil is evenly applied to the screw rod.

[0007] Preferably, the oil inlet mechanism includes an oil tank fixedly connected to the front of the mounting seat, a first hose fixedly connected between the oil tank and the lubricating ring, and a second hose fixedly connected between the first hose and the lubricating ring.

[0008] The effect achieved by the above components is that the lubricating oil in the oil tank flows into the two lubricating rings through the first hose and the second hose.

[0009] Preferably, the inner wall of the oil tank is provided with a piston, the upper end of the piston is fixedly connected with a first spring, and the other end of the first spring is fixed to the oil tank.

[0010] The effect achieved by the above components is that by setting the first spring and the piston, the piston is pressed downward to extrude lubricating oil into the lubricating ring.

[0011] Preferably, the circular arc surface of the first hose is provided with a first one-way valve, the left end of the oil tank is fixedly connected with an oil inlet pipe of an external oil pipe, and the circular arc surface of the oil inlet pipe is provided with a second one-way valve.

[0012] The effect achieved by the components is that when it is necessary to add lubricating oil into the oil tank, the external oil pipe is connected with the oil inlet pipe, the piston is pulled upward by the pulling mechanism, the lubricating oil in the lubricating ring cannot enter the oil tank due to the first one-way valve, and vice versa, the oil tank cannot flow out to the outside due to the second one-way valve, and vice versa, the lubricating oil in the outside is pumped into the oil tank, and the purpose of adding oil is achieved.

[0013] Preferably, the upper end of the piston is fixedly connected with an operating rod, and the operating rod is slidingly inserted into the oil tank.

[0014] The effect achieved by the components is that the worker pulls the operating rod upward, and the piston is pulled upward.

[0015] Preferably, the auxiliary clamping assembly comprises an auxiliary plate arranged on the inner arc surface of the clamping plate, and the auxiliary plate is fixedly connected with a limiting rod, and the limiting rod is slidingly inserted into the clamping plate.

[0016] The effect achieved by the components is that when the threaded steel is clamped, the auxiliary plate connected with the limiting rod is pressed to the threaded steel by the elastic mechanism when the threaded steel is clamped by the clamping plate, so that the threaded steel is clamped, and then the threaded steel is further clamped and fixed by the clamping plate by rotating the screw rod.

[0017] Preferably, one end of the limiting rod is fixedly connected with a second spring, and the other end of the second spring is fixed to the clamping plate.

[0018] The effect achieved by the components is that the limiting rod is pulled by the second spring.

[0019] Preferably, the inner arc surface of the auxiliary plate is fixedly connected with a rubber pad.

[0020] The effect achieved by the components is that the friction between the auxiliary plate and the threaded steel is increased by arranging the rubber pad.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, when the screw rod is lubricated, the lubricating cavity in the lubricating ring is filled with lubricating oil by the oil inlet mechanism, the worker rotates the handle, the screw rod rotates, the lubricating ring moves with the first clamping seat, the lubricating roller contacts the screw rod, and the lubricating oil is brought out and applied to the screw rod, so that the labor intensity of the worker is reduced and the lubricating oil is uniformly applied to the screw rod, and the problem that the worker generally applies the lubricating agent to the surface of the screw rod by hand to maintain the lubricity of the screw rod and the first clamping seat is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a three-dimensional structure schematic view of the utility model section part;

[0025] Figure 3 It is a three-dimensional structure schematic view of the utility model lubricating assembly;

[0026] Figure 4 It is a three-dimensional structure schematic view of the utility model oil tank section;

[0027] Figure 5 It is a three-dimensional structure schematic view of the utility model lubricating ring section;

[0028] Figure 6 It is a three-dimensional structure schematic view of the utility model auxiliary clamping assembly.

[0029] Legend: 1, mounting seat; 2, lubricating assembly; 3, auxiliary clamping assembly; 4, round rod; 5, first clamping seat; 6, second clamping seat; 7, screw rod; 8, screw rod; 9, clamping plate; 10, sliding rod; 11, rotating shaft; 12, second bevel gear; 13, first bevel gear; 14, handle; 21, lubricating ring; 22, lubricating cavity; 23, lubricating roller; 24, oil inlet mechanism; 241, first hose; 242, second hose; 243, first check valve; 244, oil inlet pipe; 245, second check valve; 246, oil tank; 247, operating rod; 248, piston; 249, first spring; 31, auxiliary plate; 32, limiting rod; 33, second spring; 34, rubber pad. DETAILED DESCRIPTION

[0030] Reference Figure 1 and Figure 2As shown, the utility model provides a technical scheme: a threaded steel welding pressurizing device includes mounting seat 1, the lower end both sides of mounting seat 1 are fixedly connected with round bar 4, the lower end of mounting seat 1 is rotatably connected with screw rod 7, the arc surface of round bar 4 is slidably connected with first clamping seat 5, the lower end of round bar 4 is fixedly connected with second clamping seat 6, first clamping seat 5 is screwed with screw rod 7, the left end of first clamping seat 5 and second clamping seat 6 is screw inserted with lead screw 8, the right end of lead screw 8 is rotatably connected with clamping plate 9, the inner arc surface of clamping plate 9 is provided with auxiliary clamping assembly 3, the arc surface of clamping plate 9 is fixedly connected with slide bar 10, slide bar 10 is slidably inserted first clamping seat 5, the upper end of first clamping seat 5 is provided with lubricating assembly 2, the top of screw rod 7 is fixedly connected with first bevel gear 13, the left end of mounting seat 1 is rotatably connected with rotating shaft 11, the left end of rotating shaft 11 is fixedly connected with handle 14, the arc surface of rotating shaft 11 is fixedly connected with second bevel gear 12, first bevel gear 13 and second bevel gear 12 are engaged.

[0031] The specific setting and effect of lubricating assembly 2 and auxiliary clamping assembly 3 will be described below.

[0032] Referring to Figure 3 and Figure 4 and Figure 5As shown, in the embodiment: the lubricating assembly 2 comprises lubricating rings 21 fixedly connected on both sides of the first clamping seat 5, the inside of the lubricating ring 21 is provided with a lubricating cavity 22, the inner wall of the lubricating cavity 22 is rotatably connected with a lubricating roller 23, the front surface of the mounting seat 1 is provided with an oil inlet mechanism 24, by arranging the lubricating assembly 2, when lubricating the screw rod 7, through the oil inlet mechanism 24, the lubricating cavity 22 in the lubricating ring 21 is filled with lubricating oil, the worker rotates the handle 14, so that the screw rod 7 rotates, at the same time, the lubricating ring 21 moves with the first clamping seat 5, so that the lubricating roller 23 contacts with the screw rod 7, and the screw rod 7 rotates, thereby the lubricating oil is brought out and applied to the screw rod 7, and the labor intensity of the worker is reduced and the lubricating oil is evenly applied to the screw rod 7, the oil inlet mechanism 24 comprises an oil tank 246 fixedly connected on the front surface of the mounting seat 1, a first hose 241 fixedly connected between the oil tank 246 and the lubricating ring 21, a second hose 242 fixedly connected between the first hose 241 and the lower lubricating ring 21, the lubricating oil in the oil tank 246 flows to the two lubricating rings 21 through the first hose 241 and the second hose 242, the inner wall of the oil tank 246 is provided with a piston 248, the upper end of the piston 248 is fixedly connected with a first spring 249, the other end of the first spring 249 is fixed to the oil tank 246, by arranging the first spring 249 and the piston 248, the piston 248 is pressed downward, so as to assist in extruding the lubricating oil into the lubricating ring 21, the first one-way valve 243 is arranged on the arc surface of the first hose 241, the oil inlet pipe 244 of the external oil pipe is fixedly connected to the left end of the oil tank 246, the second one-way valve 245 is arranged on the arc surface of the oil inlet pipe 244, when it is needed to add lubricating oil into the oil tank 246, the external oil pipe is connected to the oil inlet pipe 244, by pulling the mechanism, the piston 248 moves upward, due to the action of the first one-way valve 243, the lubricating oil in the lubricating ring 21 cannot enter the oil tank 246, and vice versa, due to the action of the second one-way valve 245, the oil tank 246 cannot flow out to the outside, and vice versa, so that the lubricating oil in the outside is pumped into the oil tank 246, thereby achieving the purpose of adding oil, the upper end of the piston 248 is fixedly connected with an operating rod 247, the operating rod 247 is slidingly inserted into the oil tank 246, the worker pulls the operating rod 247 upward, so that the piston 248 moves upward.

[0033] Referring to Figure 6As shown, in the present embodiment: the auxiliary clamping assembly 3 comprises an auxiliary plate 31 arranged on the inner arc surface of the clamping plate 9, the arc surface of the auxiliary plate 31 is fixedly connected with a limiting rod 32, the limiting rod 32 is slidingly inserted into the clamping plate 9, when clamping the threaded steel, when the threaded steel is clamped by the clamping plate 9, the auxiliary plate 31 connected with the limiting rod 32 is extruded to the threaded steel 7 by the elastic mechanism, so that the threaded steel is clamped, then the lead screw 8 is twisted, the threaded steel is further clamped and fixed by the clamping plate 9, one end of the limiting rod 32 is fixedly connected with a second spring 33, the other end of the second spring 33 is fixed with the clamping plate 9, by arranging the second spring 33, the limiting rod 32 is pulled, the inner arc surface of the auxiliary plate 31 is fixedly connected with a rubber pad 34, by arranging the rubber pad 34, the friction between the auxiliary plate 31 and the threaded steel is increased.

[0034] Working principle:

[0035] In use of the pressurizing device, the mounting base 1 is dragged to make the second clamping base 6 close to a threaded steel fixed by the fixing mechanism, then the lead screw 8 is twisted to make the clamping plate 9 pushed to the threaded steel under the limit of the slide rod 10, so as to fix the second clamping base 6 to the threaded steel, then another threaded steel is fixed by the first clamping base 5 in the same way, while keeping the two threaded steels horizontally and vertically overlapped, then the welding cylinder is fixed to the connection part of the two threaded steels, then the flux is put in, the power is connected to the threaded steel to make the electric arc heat and the resistance heat to melt the steel, the worker can rotate the handle 14 to make the rotating shaft 11 rotate, so as to make the first bevel gear 13 and the second bevel gear 12 rotate, so as to make the screw rod 7 rotate, so as to make the first clamping base 5 press up and down on the circular rod 4, so as to press down the upper threaded steel to achieve the welding and pressurizing to the threaded steel, when the screw rod 7 is lubricated, the lubricating oil in the oil tank 246 flows to the two lubricating rings 21 through the first hose 241 and the second hose 242, so as to fill the lubricating oil in the lubricating cavity 22 in the lubricating ring 21, the worker rotates the handle 14 to make the screw rod 7 rotate, while the lubricating ring 21 moves with the first clamping base 5, so as to make the lubricating roller 23 contact with the screw rod 7 to rotate, so as to take out the lubricating oil and smear it on the screw rod 7, so as to reduce the labor intensity of the worker and smear the lubricating oil on the screw rod 7 as evenly as possible, the first spring 249 and the piston 248 are arranged to make the piston 248 extrude downward to extrude the lubricating oil to the lubricating ring 21, when the lubricating oil needs to be added to the oil tank 246, the external oil pipe is connected to the oil inlet pipe 244, the worker pulls the operating rod 247 upward to make the piston 248 upward, due to the action of the first one-way valve 243, the lubricating oil in the lubricating ring 21 cannot flow into the oil tank 246, and vice versa, due to the action of the second one-way valve 245, the oil tank 246 cannot flow out to the outside, and vice versa, so that the lubricating oil outside is pumped into the oil tank 246 to achieve the purpose of adding oil, when the threaded steel is clamped, the second spring 33 is arranged to make the limit rod 32 pull the auxiliary plate 31 connected to the limit rod 32 to be extruded to the screw rod 7, so as to assist in clamping the threaded steel, then the lead screw 8 is twisted to further clamp and fix the threaded steel by the clamping plate 9, the rubber pad 34 is arranged to increase the friction between the auxiliary plate 31 and the threaded steel.

[0036] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A threaded steel welding pressurizing device comprising a mounting seat (1), characterized in that: The lower end of the mounting seat (1) is fixedly connected with a circular rod (4), the lower end of the mounting seat (1) is rotatably connected with a screw rod (7), the circular arc surface of the circular rod (4) is slidably connected with a first clamping seat (5), the lower end of the circular rod (4) is fixedly connected with a second clamping seat (6), the first clamping seat (5) is threadedly connected with the screw rod (7), the left end of the first clamping seat (5) and the second clamping seat (6) is threadedly connected with a lead screw (8), the right end of the lead screw (8) is rotatably connected with a clamping plate (9), the inner circular arc surface of the clamping plate (9) is provided with an auxiliary clamping assembly (3), the circular arc surface of the clamping plate (9) is fixedly connected with a sliding rod (10), the sliding rod (10) is slidably inserted into the first clamping seat (5), the upper end of the first clamping seat (5) is provided with a lubricating assembly (2), the top of the screw rod (7) is fixedly connected with a first bevel gear (13), the left end of the mounting seat (1) is rotatably connected with a rotating shaft (11), the left end of the rotating shaft (11) is fixedly connected with a handle (14), the circular arc surface of the rotating shaft (11) is fixedly connected with a second bevel gear (12), the first bevel gear (13) is engaged with the second bevel gear (12), the lubricating assembly (2) comprises lubricating rings (21) fixedly connected on both sides of the first clamping seat (5), a lubricating cavity (22) is formed in the lubricating rings (21), a lubricating roller (23) is rotatably connected to the inner wall of the lubricating cavity (22), and the front surface of the mounting seat (1) is provided with an oil inlet mechanism (24).

2. The threaded steel welding pressurizing device according to claim 1, characterized in that: The oil inlet mechanism (24) comprises an oil tank (246) fixedly connected to the front surface of the mounting seat (1), a first hose (241) fixedly connected between the oil tank (246) and the lubricating ring (21), and a second hose (242) fixedly connected between the first hose (241) and the lubricating ring (21) on the lower side.

3. The threaded steel welding pressurizing device according to claim 2, characterized in that: A piston (248) is arranged on the inner wall of the oil tank (246), a first spring (249) is fixedly connected to the upper end of the piston (248), and the other end of the first spring (249) is fixed to the oil tank (246).

4. The threaded steel welding pressurizing device according to claim 3, characterized in that: A first one-way valve (243) is arranged on the circular arc surface of the first hose (241), an oil inlet pipe (244) of an external oil pipe is fixedly connected to the left end of the oil tank (246), and a second one-way valve (245) is arranged on the circular arc surface of the oil inlet pipe (244).

5. The threaded steel welding pressurizing device according to claim 4, characterized in that: An operating rod (247) is fixedly connected to the upper end of the piston (248), and the operating rod (247) is slidably inserted into the oil tank (246).

6. The threaded steel welding pressurizing device according to claim 5, characterized in that: The auxiliary clamping assembly (3) comprises an auxiliary plate (31) arranged on the inner circular arc surface of the clamping plate (9), a limiting rod (32) is fixedly connected to the circular arc surface of the auxiliary plate (31), and the limiting rod (32) is slidably inserted into the clamping plate (9).

7. The threaded steel welding pressurizing device according to claim 6, characterized in that: One end of the limiting rod (32) is fixedly connected with a second spring (33), and the other end of the second spring (33) is fixed to the clamping plate (9).

8. The threaded steel welding pressurizing device according to claim 7, characterized in that: The inner circular arc surface of the auxiliary plate (31) is fixedly connected with a rubber pad (34).

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