A wear-resistant straight pipe outer casing cold drawing device for concrete pump truck

Abstract

The utility model discloses a wear-resistant straight pipe outer sleeve cold drawing device for a concrete pump truck, which relates to the technical field of steel pipe processing, including a workbench and a cold drawing port provided on the surface, a relief block capable of assisting the sliding of the sleeve is provided on one side of the workbench surface, an auxiliary block capable of assisting transmission is provided at the center of the top surface of the workbench, working blocks capable of transmission are provided on both sides of the top surface of the workbench located at the auxiliary block, and a cold drawing block is provided on one side of the auxiliary block. The utility model utilizes a pulley provided inside the relief block to enable the sleeve being cold drawn to be in a straight line, reduce friction during movement, and thus improve flexibility, and then utilizes the rear transmission screw to rotate, driving the threaded block to enable the cold drawing block to clamp the sleeve and also perform cold drawing work in a straight line inside the cold drawing port, thereby improving stability and accuracy during cold drawing, while also improving productivity, and reducing excess energy consumption of the equipment, so as to achieve a low energy consumption effect.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a wear-resistant straight pipe outer casing cold drawing device for a concrete pump truck. Background Art

[0002] Cold-drawn steel pipe is a kind of steel pipe, that is, it is classified according to different production processes. It is different from hot-rolled (expanded) pipe. It is made by multiple cold drawing processes during the expansion of rough pipe billet or raw material pipe. It is usually carried out on a single-chain or double-chain cold drawing machine of 0.5-100T. Cold-rolled (drawn) steel pipe includes general steel pipe, low and medium pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe, machined pipe, thick-walled pipe, small-diameter inner die cold-drawn pipe and other steel pipes, as well as carbon thin-walled steel pipe, alloy thin-walled steel pipe, stainless thin-walled steel pipe and special-shaped steel pipe.

[0003] After searching, the applicant found that a Chinese patent disclosed "a steel tube cold drawing device", and its publication (announcement) number is "CN217191692U", which includes a cold drawing machine, a feeding port is provided on the cold drawing machine, and the feeding port is used to input the steel tube, and the cold drawing machine is also provided with a discharge port, and the discharge port is used to input the steel tube, and a cold drawing die is also provided in the cold drawing machine, and the cold drawing die is used to process the steel tube, and an external cleaning mechanism is slidingly provided in the cold drawing machine, and the external cleaning mechanism is used to clean the dust in the cold drawing machine. In the steel tube cold drawing device, when the steel tube abuts against the cleaning plate, the cleaning plate will slide in the direction close to the discharge port, so as to clean the steel chips in the cold drawing machine near the discharge port, and when the steel tube leaves the cleaning plate, the cleaning plate will reset under the action of the first spring to clean the steel chips in the cold drawing machine near the cold drawing die, so as to clean the steel chips near the discharge port, prevent the steel chips from accumulating, and replace the manual cleaning method, so that the workers are safer when operating the machine;

[0004] However, most of the existing cold-drawn casings have poor flexibility during cold-drawing. Instability during cold-drawing will lead to a longer cold-drawing time and reduced productivity. At the same time, it will increase the energy consumption of the equipment and reduce the processing output rate. Utility Model Content

[0005] The purpose of the utility model is to provide a wear-resistant straight tube outer casing cold drawing device for a concrete pump truck, so as to solve the problem that most casing cold drawing proposed in the above background technology has poor flexibility in cold drawing during production, and the cold drawing is not stable enough, which will lead to a longer cold drawing time and reduced productivity. At the same time, it will also increase the energy consumption of the equipment and reduce the processing output rate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant straight tube outer casing cold drawing device for a concrete pump truck, comprising a workbench and a cold drawing port provided on the surface, a buffer block capable of assisting the sliding of the casing is provided on one side of the workbench surface, an auxiliary block capable of assisting transmission is provided at the center of the top surface of the workbench, working blocks capable of transmission function are provided on both sides of the auxiliary block on the top surface of the workbench, and a cold drawing block is provided on one side of the auxiliary block.

[0007] Preferably, the buffer block is fixedly connected to one side of the workbench surface, and a U-shaped block is provided on the top surface of the buffer block.

[0008] Preferably, a micro groove is provided inside the U-shaped block, and three pulleys are rotatably connected to both sides of the inner wall of the micro groove.

[0009] Preferably, the auxiliary block is fixedly connected to the center of the top surface of the workbench, a slide rail is provided inside the auxiliary block, and a connecting block is slidably connected inside the slide rail.

[0010] Preferably, the two working blocks are fixedly connected to the top surface of the workbench and are located on both sides of the auxiliary block. A through hole is opened inside the two working blocks, and a transmission screw is rotatably connected on both sides of the inner walls of the two through holes. A motor cavity is opened on one side inside the two working blocks, and a synchronous motor is provided inside the two motor cavities.

[0011] Preferably, the interior of the two working blocks is provided with a first through opening on both sides of the two through openings, the output ends of the two synchronous motors pass through the two motor cavities and extend to the inside of the two through openings to be fixedly connected to the two transmission screws, and the rod walls of the two transmission screws are threadedly connected with threaded blocks.

[0012] Preferably, the opposite sides of the two threaded blocks are fixedly connected to the two sides of the surface of the connecting block.

[0013] Preferably, the cold drawing block is fixedly connected to one side of the connecting block, a cold drawing groove is provided inside the cold drawing block, fixed cavities are provided inside the cold drawing block on both sides of the cold drawing groove, an electric telescopic rod is fixedly connected to one side of the inner wall of the two fixed cavities, and a second through opening is provided inside the cold drawing block between the cold drawing groove and the two fixed cavities.

[0014] The technical effects and advantages of the utility model are as follows: the utility model utilizes the pulley provided inside the relief block to enable the sleeve being cold drawn to be in a straight line, reduces friction during movement, and thus improves flexibility, and then utilizes the rotation of the transmission screw at the rear to drive the threaded block so that the cold drawing block clamps the sleeve and also performs cold drawing work in a straight line inside the cold drawing mouth, thereby improving stability and accuracy during cold drawing, while also improving productivity and reducing excess energy consumption of the equipment, thereby achieving a low energy consumption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the overall top view structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the relaxation block of the utility model.

[0018] Figure 4 It is a schematic diagram of the side sectional structure of the working block of the utility model.

[0019] Figure 5 It is a schematic diagram of the front cross-sectional structure of the cold-drawn block of the utility model.

[0020] In the figure: 1. workbench; 2. cold drawing mouth; 3. relief block; 4. auxiliary block; 5. working block; 6. cold drawing block; 301. U-shaped block; 302. micro groove; 303. pulley; 401. slide rail; 402. connecting block; 501. through-port; 502. motor cavity; 503. synchronous motor; 504. transmission screw; 505. threaded block; 506. first through-port; 601. fixed cavity; 602. electric telescopic rod; 603. second through-port; 604. cold drawing groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-5The wear-resistant straight pipe outer casing cold drawing device for a concrete pump truck shown in the figure comprises a workbench 1 and a cold drawing port 2 provided on the surface. A relief block 3 capable of assisting the sliding of the casing is provided on one side of the surface of the workbench 1. An auxiliary block 4 capable of assisting transmission is provided at the center of the top surface of the workbench 1. Working blocks 5 capable of transmission are provided on both sides of the top surface of the workbench 1 located on the auxiliary block 4. A cold drawing block 6 is provided on one side of the auxiliary block 4. The pulley 303 provided inside the relief block 3 can make the casing being cold drawn present a straight line, reduce friction during movement, and thus improve flexibility. The transmission screw 504 at the rear is then rotated to drive the threaded block 505 so that the cold drawing block 6 clamps the casing and also performs cold drawing work in a straight line inside the cold drawing port 2, thereby improving stability and accuracy during cold drawing, while also improving productivity and reducing excess energy consumption of the equipment, thereby achieving a low energy consumption effect.

[0023] like Figure 1-3 As shown, the relief block 3 is fixedly connected to one side of the surface of the workbench 1, and a U-shaped block 301 is provided on the top surface of the relief block 3. A micro groove 302 is provided inside the U-shaped block 301. The micro groove 302 facilitates the three pulleys 303 to rotate on both sides of the inner wall, leaving only the top exposed for sliding connection with the sleeve. Three pulleys 303 are rotatably connected on both sides of the inner wall of the micro groove 302. The pulley 303 can make the sleeve present a straight line and move smoothly during the moving cold drawing, so that the cold drawing effect of the equipment can be carried out more effectively.

[0024] like Figure 1 , Figure 2 and Figure 4As shown, the auxiliary block 4 is fixedly connected to the center of the top surface of the workbench 1, a slide rail 401 is provided inside the auxiliary block 4, and a connecting block 402 is slidably connected inside the slide rail 401. Two working blocks 5 are fixedly connected to the top surface of the workbench 1 and are located on both sides of the auxiliary block 4. Through holes 501 are provided inside the two working blocks 5. The exposed state of the through holes 501 makes it convenient to observe the working condition of the equipment when the equipment is performing cold drawing. The two sides of the inner walls of the two through holes 501 are connected to the transmission screw rods 504 for rotation together. A motor cavity 502 is provided on one side of the two working blocks 5. Synchronous motors 503 are provided inside the two motor cavities 502. The interiors of the two working blocks 5 are located at the two through holes 50 1 is provided with a first through-hole 506 on both sides, and the first through-hole 506 can ensure that the output end of the synchronous motor 503 can be connected to the transmission screw 504. The output ends of the two synchronous motors 503 penetrate the two motor cavities 502 and extend to the inside of the two through-holes 501 to be fixedly connected with the two transmission screws 504. The rod walls of the two transmission screws 504 are threadedly connected with threaded blocks 505. The opposite sides of the two threaded blocks 505 are fixedly connected to the two sides of the surface of the connecting block 402. The two threaded blocks 505 are fixedly fixed on the two sides of the connecting block 402, so that the connecting block 402 drives the cold drawing block 6 to perform the backward cold drawing work, which can effectively ensure the integrity of the equipment operation.

[0025] like Figure 5 As shown, the cold drawing block 6 is fixedly connected to one side of the connecting block 402, a cold drawing groove 604 is provided inside the cold drawing block 6, fixed cavities 601 are provided inside the cold drawing block 6 on both sides of the cold drawing groove 604, electric telescopic rods 602 are fixedly connected to one side of the inner wall of the two fixed cavities 601, and second through-holes 603 are provided inside the cold drawing block 6 between the cold drawing groove 604 and the two fixed cavities 601. The setting of the second through-holes 603 on both sides enables the electric telescopic rods 602 provided on both sides to clamp the two sides of the steel during the cold drawing work, so as to smoothly carry out the cold drawing work backwards.

[0026] Working principle of the utility model: when using the utility model, first place one end of the sleeve inside the U-shaped block 301 provided on the top of the relaxation block 3, and make it enter the mold mouth provided inside the cold drawing mouth 2 through the three pulleys 303 provided inside the U-shaped block 301, and then use the electric telescopic rods 602 provided on both sides of the cold drawing block 6, and the output ends of the two electric telescopic rods 602 respectively pass through the two second through ports 603 provided to enter the cold drawing groove 604, so as to successfully clamp the sleeve to be cold drawn;

[0027] Subsequently, the output end of the synchronous motor 503 provided in the motor cavity 502 inside the working block 5 will respectively and synchronously drive the transmission screw 504 to rotate. When the transmission screw 504 rotates, the threaded block 505 whose rod walls are both threadedly connected will jointly drive the connecting block 402 to move, and the connecting block 402 is slidably connected inside the slide rail 401 opened inside the auxiliary block 4, which plays an auxiliary sliding effect. When the moving connecting block 402 is driven, the cold drawing block 6 fixedly connected on one side will successfully perform the cold drawing work. The original text highlights the innovative structure and does not elaborate on the prior art.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 wear-resistant straight pipe outer casing cold drawing device for a concrete pump truck, comprising a workbench (1) and a cold drawing port (2) provided on the surface, characterized in that: A buffer block (3) capable of assisting the sliding of the sleeve is provided on one side of the surface of the workbench (1); an auxiliary block (4) capable of assisting transmission is provided at the center of the top surface of the workbench (1); working blocks (5) capable of transmission function are provided on both sides of the auxiliary block (4) on the top surface of the workbench (1); and a cold drawing block (6) is provided on one side of the auxiliary block (4).

2. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 1, characterized in that: The buffer block (3) is fixedly connected to one side of the surface of the workbench (1), and a U-shaped block (301) is provided on the top surface of the buffer block (3).

3. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 2, characterized in that: A micro groove (302) is provided inside the U-shaped block (301), and three pulleys (303) are rotatably connected to both sides of the inner wall of the micro groove (302).

4. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 1, characterized in that: The auxiliary block (4) is fixedly connected to the center of the top surface of the workbench (1), a slide rail (401) is provided inside the auxiliary block (4), and a connecting block (402) is slidably connected inside the slide rail (401).

5. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 1, characterized in that: The two working blocks (5) are fixedly connected to the top surface of the workbench (1) and are located on both sides of the auxiliary block (4); a through opening (501) is provided inside the two working blocks (5); transmission screws (504) are rotatably connected to the two sides of the inner walls of the two through openings (501); a motor cavity (502) is provided on one side inside the two working blocks (5); and a synchronous motor (503) is provided inside the two motor cavities (502).

6. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 5, characterized in that: The interior of the two working blocks (5) is provided with first through openings (506) on both sides of the two through openings (501); the output ends of the two synchronous motors (503) penetrate the two motor cavities (502) and extend to the interior of the two through openings (501) to be fixedly connected to the two transmission screw rods (504); the rod walls of the two transmission screw rods (504) are threadedly connected with threaded blocks (505).

7. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 6, characterized in that: The opposite sides of the two threaded blocks (505) are fixedly connected to the two sides of the surface of the connecting block (402).

8. The wear-resistant straight pipe outer casing cold drawing device for concrete pump truck according to claim 1, characterized in that: The cold drawing block (6) is fixedly connected to one side of the connecting block (402); a cold drawing groove (604) is provided inside the cold drawing block (6); fixed cavities (601) are provided inside the cold drawing block (6) on both sides of the cold drawing groove (604); one side of the inner wall of the two fixed cavities (601) is fixedly connected to an electric telescopic rod (602); and a second through opening (603) is provided inside the cold drawing block (6) between the cold drawing groove (604) and the two fixed cavities (601).

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