CN113877993B

CN113877993B - Metal pipe straightening device

Info

Publication number: CN113877993B
Application number: CN202111479271.6A
Authority: CN
Inventors: 于海龙; 魏浩然; 夏杰
Original assignee: Jiangsu Shenzhu Intelligent Technology Co ltd
Current assignee: Jiangsu Shenzhu Intelligent Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-01
Anticipated expiration: 2041-12-07
Also published as: CN113877993A

Abstract

The invention discloses a metal pipe straightening device, which comprises a straightening assembly, wherein the straightening assembly comprises a fixed plate and side plates vertically extending along two side edges of the fixed plate, two symmetrical supporting rollers are arranged between the two side plates, a fixed hole is formed in the center of the fixed plate, and the fixed hole is connected with a fine adjustment assembly; the fine adjustment assembly comprises an adjusting piece connected with the fixing hole, the adjusting piece is hollow, a baffle is arranged at one end, close to the supporting roller, of the adjusting piece, a first through hole is formed in the baffle, a piston is arranged in the adjusting piece, the piston is connected with an adjusting shaft, the adjusting shaft penetrates through the first through hole, and the tail end of the adjusting shaft is connected with an adjusting plate; the metal pipe is straightened by the hydraulic principle, the structure is ingenious, the device runs stably, the production efficiency is improved, the yield of products is increased, and the production cost is saved.

Description

Metal pipe straightening device

Technical Field

The invention relates to the field of metal straightening, in particular to a metal pipe straightening device.

Background

The straightener extrudes the bar material and the like through the straightening roller to change the straightness. The extrusion deformation resistance of metals made of different materials is different, so that the extrusion force used by the straightening machine cannot be controlled, the surface of the metal is easily abraded due to overlarge extrusion force, and the defective rate is high; too small extrusion force can cause the straightening degree to be not in place, repeated straightening is needed, and the straightening work efficiency is not high.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that the extrusion deformation resistance of metals made of different materials is different, so that the extrusion force used by the straightening machine cannot be controlled, the metal surface is easily abraded due to overlarge extrusion force, and the defective rate is high; too small extrusion force can cause the straightening degree to be not in place, repeated straightening is needed, and the straightening work efficiency is not high.

In order to solve the technical problems, the invention provides the following technical scheme: a metal pipe straightening device comprises a straightening assembly, a straightening roller and a fine adjustment assembly, wherein the straightening assembly comprises a fixed plate and side plates vertically extending along two side edges of the fixed plate, two symmetrical supporting rollers are arranged between the two side plates, a fixed hole is formed in the center of the fixed plate, and the fixed hole is connected with the fine adjustment assembly;

the fine setting subassembly include with the regulating part that the fixed orifices is connected, the inside cavity of regulating part, the regulating part is close to the one end of backing roll is provided with the baffle, the baffle is provided with first through-hole, be provided with the piston in the regulating part, piston connection has the regulating spindle, the regulating spindle passes first through-hole, the end-to-end connection of regulating spindle has the regulating plate.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: the adjusting part is characterized in that a sliding disc is movably connected in one end, away from the baffle, of the adjusting part, a partition plate is arranged inside the adjusting part, and the piston is located between the partition plate and the baffle.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: form first space A between slip dish and the baffle, form second space B between baffle and the piston, form third space C between piston and the baffle, the baffle is provided with the second through-hole, be provided with the valve body subassembly in the second through-hole, the valve body subassembly is including being located the valve body in the second through-hole, the valve body is provided with the third through-hole, the third through-hole both ends extend to centre of a circle department and form first spacing boss, one side that is close to the slip dish in the third through-hole is provided with the valve block, the valve block is kept away from and is provided with first spring between the one side of slip dish and the first spacing boss.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: one side of the piston, which is close to the partition plate, is provided with an extension shaft, the valve block is provided with a third through hole, and the extension shaft penetrates through the third through hole and extends into the first space A.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: a circulation groove is formed in the piston, and a through groove communicated with the circulation groove is formed in one side, close to the third space C, of the piston; the extension shaft is provided with a flow guide hole which extends along the axial direction and penetrates through the flow groove; the utility model discloses a water conservancy diversion hole, including water conservancy diversion hole opening part, the water conservancy diversion hole opening part is provided with the spacing boss of second, the downthehole portion of water conservancy diversion is provided with the spacing boss of third, the internal diameter of the spacing boss of second, third is less than the internal diameter in water conservancy diversion hole, be provided with the spheroid between the spacing boss of second third, the spheroid with be provided with the second spring between the spacing boss of third.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: a cylindrical groove penetrating through the circulation groove is formed in the adjusting shaft, a rotating shaft is arranged in the cylindrical groove, a sector groove penetrating to the outside is formed in one end, away from the fine adjustment assembly, of the cylindrical groove, a protrusion is arranged at one end of the rotating shaft, and the protrusion is located in the sector groove; a backflow hole leading to the second space B is formed in one side face of the circulation groove, a stop block is arranged at one end, located in the circulation groove, of the rotating shaft, and the stop block can cover the backflow hole; and a third spring is arranged between the piston and the baffle plate.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: the one end of regulating part is provided with the ring channel, the ring channel is connected with rotates the piece, it is provided with the fourth through-hole to rotate the piece, be provided with the round platform on the sliding tray, the round platform embedding in the fourth through-hole, fourth through-hole side is provided with a plurality of V type groove, a plurality of V type groove end to end connection forms the corrugate, the round platform side is provided with the uide pin, the uide pin embedding in the V type inslot.

As a preferable scheme of the metal pipe straightening device of the invention, the metal pipe straightening device comprises the following components: the one end that rotates the piece and be located the regulating part outside is connected with the gear, the gear is by motor drive.

The invention has the beneficial effects that: the metal pipe is straightened by the hydraulic principle, the structure is ingenious, the device runs stably, the production efficiency is improved, the yield of products is increased, and the production cost is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic structural view of a metal pipe straightening apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view showing a metal pipe straightening apparatus according to an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of the metal pipe straightening device shown in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a lower portion of FIG. 2 of a metal pipe straightening device according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a piston and an adjusting shaft in the straightening device for metal pipes according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a straightening process of a metal pipe straightening device according to an embodiment of the invention.

In the figure: a straightening assembly 100; a fixed plate 101; a side plate 102; a fixing hole 101 a; a support roller 103; a fine tuning component 200; an adjusting member 201; a partition 201 a; a second through hole 201 b; an annular groove 201 c; a guide boss 201 d; a baffle 202; a first via 202 a; a piston 203; an extension shaft 203 a; a flow-through groove 203 b; notches 203 c; the diversion holes 203 d; a second limit boss 203 e; a third limit boss 203 f; a return hole 203 g; an adjustment shaft 204; a cylindrical groove 204 a; the sector grooves 204 b; an adjustment plate 205; a slider tray 206; a circular truncated cone 206 a; a guide pin 206 b; a guide groove 206 c; a first space A; a second space B; a third space C; a sphere 207; a second spring 208; a rotation shaft 209; the protrusions 209 a; a stopper 209 b; a third spring 210; the fourth through hole 211 a; a rotating member 211; v-shaped grooves 211 b; a gear 211 c; a valve body assembly 300; a valve body 301; a third through hole 301 a; a valve block 302; a third via hole 302 a; a first spring 303.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Examples

Referring to fig. 1 to 6, the embodiment provides a metal pipe straightening device, which includes a straightening assembly 100 and a fine adjustment assembly 200, wherein the straightening assembly 100 includes a fixed plate 101 and side plates 102 extending vertically along two side edges of the fixed plate 101, the fixed plate 101 is a rectangular plate, the side plates 102 stand on two sides of the fixed plate 101 in parallel, two symmetrical supporting rollers 103 are disposed between the two side plates 102, the supporting rollers 103 form two supporting points, a fixed hole 101a is disposed in the center of the fixed plate 101, and the fixed hole 101a is connected with the fine adjustment assembly 200.

The fine adjustment assembly 200 comprises an adjusting part 201 connected with the fixing hole 101a, the adjusting part 201 is cylindrical in the embodiment, the adjusting part 201 is hollow, a baffle 202 is arranged at one end, close to the supporting roller 103, of the adjusting part 201, the baffle 202 is provided with a first through hole 202a, a piston 203 is arranged in the adjusting part 201, the piston 203 can move axially inside the adjusting part 201, the piston 203 is connected with an adjusting shaft 204, the adjusting shaft 204 penetrates through the first through hole 202a, and the end of the adjusting shaft 204 is connected with an adjusting plate 205. Therefore, when straightening, the metal pipe to be straightened passes through the space between the two supporting rollers 103 and the adjusting plate 205, the metal pipe bends towards the adjusting plate 205, and then the adjusting plate 205 moves towards the two supporting rollers 103 by pushing the adjusting plate 205, so that the metal pipe can be straightened.

Furthermore, a sliding disc 206 is movably connected in one end of the adjusting part 201 far away from the baffle 202, the sliding disc 206 is a circular disc and can slide in the adjusting part 201 along the axial direction, a partition 201a is arranged in the adjusting part 201, the partition 201a is fixed in the adjusting part 201, and the piston 203 is located between the partition 201a and the baffle 202.

Therefore, a first space a is formed between the sliding disk 206 and the partition plate 201a, a second space B is formed between the partition plate 201a and the piston 203, a third space C is formed between the piston 203 and the baffle 202, the partition plate 201a is provided with a second through hole 201B, a valve body assembly 300 is arranged in the second through hole 201B, the valve body assembly 300 is of a one-way valve structure, so that oil in the first space a can enter the second space B through the valve body assembly 300, and the oil in the second space B cannot enter the first space a.

Specifically, valve body subassembly 300 is including being located valve body 301 of second through-hole 201B, valve body 301 periphery and second through-hole 201B sealing connection, valve body 301 is provided with third through-hole 301a, first space A of third through-hole 301a intercommunication and second space B, third through-hole 301a both ends extend to the centre of a circle department and form first spacing boss 301B, one side that is close to sliding disc 206 in third through-hole 301a is provided with valve block 302, valve block 302 is circular, and valve block 302's diameter is greater than the internal diameter of first spacing boss 301B, be less than the internal diameter of third through-hole 301a, so that the circulation fluid. A first spring 303 is arranged between one surface of the valve block 302 away from the sliding disk 206 and the first limiting boss 301b, and the first spring 303 is a pressure spring.

An extension shaft 203a is arranged on one surface of the piston 203 close to the partition 201a, and the extension shaft 203a, the extension shaft 203a and the adjusting shaft 204 are preferably integrally formed during manufacturing; the valve block 302 is provided with a third through hole 302a, and the extension shaft 203a passes through the third through hole 302a and extends into the first space a. The valve block 302 is sealed at the contact surface with the extension shaft 203 a.

Further, a circulation groove 203b is arranged inside the piston 203, and a notch 203C communicated with the circulation groove 203b is arranged on one side of the piston 203 close to the third space C; since the extension shaft 203a is provided with the baffle hole 203d extending in the axial direction and penetrating the flow groove 203B, the oil in the third space C can pass through the notch 203C, the flow groove 203B, and the baffle hole 203d in this order, enter the first space a, and then enter the second space B from the first space a.

The opening of the diversion hole 203d is provided with a second limit boss 203e, a third limit boss 203f is arranged in the diversion hole 203d, the inner diameters of the second limit boss 203e and the third limit boss 203f are smaller than the inner diameter of the diversion hole 203d, a sphere 207 is arranged between the second limit boss 203e and the third limit boss 203f, and a second spring 208 is arranged between the sphere 207 and the third limit boss 203f, so that the second limit boss 203e, the third limit boss 203f, the sphere 207 and the second spring 208 form a second one-way valve, so that oil in the third space C can enter the first space a, and oil in the first space a cannot enter the third space C.

Furthermore, a cylindrical groove 204a penetrating through the flow groove 203b is arranged in the adjusting shaft 204, a rotating shaft 209 is arranged in the cylindrical groove 204a, and the cylindrical groove 204a is mainly used for accommodating the rotating shaft 209; a fan-shaped groove 204B penetrating to the outside is arranged at one end of the cylindrical groove 204a far away from the fine adjustment assembly 200, a protrusion 209a is arranged at one end of the rotating shaft 209, the protrusion 209a is positioned in the fan-shaped groove 204B, the rotating shaft 209 is rotated by shifting the protrusion 209a, a return hole 203g leading to the second space B is arranged at one side surface of the circulation groove 203B, a stop 209B is arranged at one end of the rotating shaft 209 positioned in the circulation groove 203B, the stop 209B can cover the return hole 203g, in the normal straightening process, the stop 209B covers the return hole 203g, when the straightening is completed, the piston 203 needs to be reset, at the moment, the protrusion 209a is shifted to remove the stop 209B from the opening of the return hole 203g, at the moment, the second space B and the third space C can be communicated through the return hole 203g, a third spring 210 is arranged between the piston 203 and the baffle 202, at the moment, the oil in the second space B can enter the third space C.

The adjusting member 201 is provided with a guide boss 201d extending along the axial direction in a contact range with the sliding disk 206, the side surface of the sliding disk 206 is provided with a guide groove 206c corresponding to the guide boss 201d, the guide boss 201d is embedded into the guide groove 206c, and the cooperation of the guide boss 201d and the guide groove 206c enables the sliding disk 206 to move only along the axial direction and not rotate by itself.

Further, one end of the adjusting piece 201 is provided with an annular groove 201c, the annular groove 201c is connected with a rotating piece 211, the periphery of the rotating piece 211 can be embedded into the annular groove 201c, the rotating piece 211 can rotate inside the adjusting piece 201, the rotating piece 211 is provided with a fourth through hole 211a, a circular truncated cone 206a is arranged on the sliding disc 206, the circular truncated cone 206a is embedded into the fourth through hole 211a, the side surface of the fourth through hole 211a is provided with a plurality of V-shaped grooves 211b, the plurality of V-shaped grooves 211b are connected end to form a corrugated shape, the side surface of the circular truncated cone 206a is provided with a guide pin 206b, and the guide pin 206b is embedded into the V-shaped groove 211 b. Therefore, when the rotating member 211 rotates, the sliding disk 206 can reciprocate in the axial direction inside the adjusting member 201 through the matching relationship of the V-shaped groove 211b and the guide pin 206 b; it should be noted that, one end of the rotating member 211 located outside the adjusting member 201 is connected with a gear 211c, the gear 211c is driven by a motor, and the gear 211c is driven by the motor as the prior art, which is not described again.

In this embodiment, the specific working principle is as follows: in an initial state, the first space A and the third space C are in a maximum state, the second space B is in a minimum state, namely the oil in the first space A is full, part of the oil is in the third space C, and the oil is basically not in the second space B; the metal pipe to be straightened penetrates between the two supporting rollers 103 and the adjusting plate 205, the bent part of the metal pipe is close to the adjusting plate 205, the driving motor rotates the gear 211C, the sliding disc 206 reciprocates, when the sliding disc 206 moves towards the partition plate 201a, the first space A is extruded, oil in the first space A enters the second space B through the valve body assembly 300, the second space B expands to push the piston 203 to move, the adjusting plate 205 is pushed to push the metal pipe, when the sliding disc 206 is far away from the partition plate 201a, the first space A is enlarged, so that the oil in the third space C can enter the first space A through the notch 203C, the circulation groove 203B and the diversion hole 203d in sequence, the oil in the first space A is filled again, and the next reciprocating movement is carried out until the metal pipe is straightened; after the straightening is finished, the motor is stopped, the stop dog 209B is removed from the opening of the return hole 203g by stirring the protrusion 209a, at the moment, the second space B and the third space C can be communicated through the return hole 203g, a third spring 210 is arranged between the piston 203 and the baffle 202, at the moment, under the action of the third spring 210, oil in the second space B can enter the third space C, and then the whole device is reset to the initial state.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A metal pipe straightening device is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the straightening assembly (100) comprises a fixed plate (101) and side plates (102) vertically extending along two side edges of the fixed plate (101), two symmetrical supporting rollers (103) are arranged between the two side plates (102), a fixed hole (101 a) is formed in the center of the fixed plate (101), and the fixed hole (101 a) is connected with a fine adjustment assembly (200);

the fine adjustment assembly (200) comprises an adjusting piece (201) connected with the fixing hole (101 a), the adjusting piece (201) is hollow, a baffle (202) is arranged at one end, close to the supporting roller (103), of the adjusting piece (201), a first through hole (202 a) is formed in the baffle (202), a piston (203) is arranged in the adjusting piece (201), the piston (203) is connected with an adjusting shaft (204), the adjusting shaft (204) penetrates through the first through hole (202 a), and the tail end of the adjusting shaft (204) is connected with an adjusting plate (205);

a sliding disc (206) is movably connected in one end, far away from the baffle (202), of the adjusting piece (201), a partition plate (201 a) is arranged inside the adjusting piece (201), and the piston (203) is located between the partition plate (201 a) and the baffle (202);

a first space (A) is formed between the sliding disk (206) and the partition plate (201 a), a second space (B) is formed between the partition plate (201 a) and the piston (203), a third space (C) is formed between the piston (203) and the baffle plate (202), the clapboard (201 a) is provided with a second through hole (201 b), a valve body component (300) is arranged in the second through hole (201 b), the valve body assembly (300) comprises a valve body (301) positioned in the second through hole (201 b), the valve body (301) is provided with a third through hole (301 a), two ends of the third through hole (301 a) extend to the circle center to form a first limiting boss (301 b), a valve block (302) is arranged at one side of the third through hole (301 a) close to the sliding disc (206), a first spring (303) is arranged between one surface of the valve block (302) far away from the sliding disc (206) and the first limiting boss (301 b);

an extension shaft (203 a) is arranged on one surface, close to the partition plate (201 a), of the piston (203), a fifth through hole (302 a) is formed in the valve block (302), and the extension shaft (203 a) penetrates through the fifth through hole (302 a) and extends into the first space (A);

a circulation groove (203 b) is formed in the piston (203), and a notch (203C) communicated with the circulation groove (203 b) is formed in one side, close to the third space (C), of the piston (203); the extension shaft (203 a) is provided with a diversion hole (203 d) which extends along the axial direction and penetrates to the circulation groove (203 b); a third limiting boss (203 f) is arranged at the opening of the diversion hole (203 d), a second limiting boss (203 e) is arranged inside the diversion hole (203 d), the inner diameters of the second limiting boss (203 e) and the third limiting boss (203 f) are smaller than the inner diameter of the diversion hole (203 d), a sphere (207) is arranged between the second limiting boss (203 e) and the third limiting boss (203 f), and a second spring (208) is arranged between the sphere (207) and the third limiting boss (203 f);

a cylindrical groove (204 a) penetrating through the circulation groove (203 b) is formed in the adjusting shaft (204), a rotating shaft (209) is arranged in the cylindrical groove (204 a), a fan-shaped groove (204 b) penetrating to the outside is formed in one end, away from the fine adjustment assembly (200), of the cylindrical groove (204 a), a protrusion (209 a) is arranged at one end of the rotating shaft (209), and the protrusion (209 a) is located in the fan-shaped groove (204 b); a backflow hole (203 g) leading to the second space (B) is formed in one side face of the circulation groove (203B), a stop block (209B) is arranged at one end, located in the circulation groove (203B), of the rotating shaft (209), and the stop block (209B) can cover the backflow hole (203 g); a third spring (210) is arranged between the piston (203) and the baffle plate (202);

a guide boss (201 d) extending along the axial direction is arranged in the adjusting piece (201) in a contact range with the sliding disc (206), a guide groove (206 c) corresponding to the guide boss (201 d) is arranged on the side surface of the sliding disc (206), and the guide boss (201 d) is embedded into the guide groove (206 c);

one end of regulating part (201) is provided with ring channel (201 c), ring channel (201 c) are connected with and rotate piece (211), it is provided with fourth through-hole (211 a) to rotate piece (211), be provided with round platform (206 a) on sliding disc (206), round platform (206 a) embedding in fourth through-hole (211 a), fourth through-hole (211 a) side is provided with a plurality of V type groove (211 b), a plurality of V type groove (211 b) end to end connection forms the ripple shape, round platform (206 a) side is provided with uide pin (206 b), uide pin (206 b) embedding in V type groove (211 b).

2. The metal pipe straightening device according to claim 1, characterized in that: one end of the rotating piece (211) positioned outside the adjusting piece (201) is connected with a gear (211 c), and the gear (211 c) is driven by a motor.