CN212945146U

CN212945146U - Automatic ending device for hot-rolled spring

Info

Publication number: CN212945146U
Application number: CN202021469403.8U
Authority: CN
Inventors: 张静
Original assignee: Shanxi Jinkong Automation Technology Co ltd
Current assignee: Shanxi Jinkong Automation Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-13
Anticipated expiration: 2030-07-23

Abstract

The utility model belongs to the technical field of the hot system of rolling up of spring, concrete technical scheme is: an automatic ending device of a hot coil spring comprises a main support, an ending oil cylinder and an adjusting lead screw, wherein the ending oil cylinder is fixed on an oil cylinder seat, a cylinder rod of the ending oil cylinder is sequentially connected with an oil cylinder connecting block, an ending wheel carrier and an ending wheel shaft, the ending wheel shaft is positioned through a round nut, the ending wheel shaft is arranged towards a coil spring shaft, the adjusting lead screw is arranged at the other side of the main support, the adjusting lead screw is in threaded connection with a lead screw nut, the lead screw nut is connected with the oil cylinder seat through an adjusting support, when the spring is hot coiled, the adjusting lead screw controls the position of the oil cylinder seat, the hot coiled steel is coiled into the spring on the coil spring shaft, when the coil spring is ended, the cylinder rod of the ending oil cylinder extends outwards, the hot coiled steel is extruded through the ending wheel shaft, ending work is finished, the quality of the hot coil spring is ensured, the whole structure is reasonable in design, the device is simple to install, the operation is flexible, the use, the production cost is low.

Description

Automatic ending device for hot-rolled spring

Technical Field

The utility model belongs to the technical field of the hot system of rolling up of spring, concretely relates to be applied to automatic ending device of hot spring of rolling up.

Background

The spring machine is mechanical equipment for producing springs and is divided into a pressure spring machine, a tension spring machine, a universal machine, a disc machine and a special spring machine according to functional characteristics. The spring is used as an important element in an industrial system, is used for various products such as aircraft warships, mobile phones and cameras, and has a large using amount and a large variety, so that the factory production amount is large.

The hot-rolled spring is also called as a large-scale spring, because the spring generally has a large wire diameter, is easy to distort and deform after being heated, has small rebound resilience, and is generally applied to national defense, oceans, spaceflight, mining machinery, construction machinery and the like, in particular to railway transportation, large-scale engineering machinery and high-voltage power transmission and transformation equipment. When the material blank of the existing hot-rolling spring is rolled to the last circle, the ending device is mainly used for ending, but the existing ending device is single in structure and difficult to produce the multi-aperture spring.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that prior art exists, the utility model provides a be applied to automatic ending device of hot coil spring, reasonable in design, simple structure, the flexible operation, the ending is complete, applicable in the ending of many bores hot coil spring.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an automatic ending device of hot coil spring, includes main support, ending hydro-cylinder and regulation lead screw, is equipped with coil spring axle and moves back the spring baffle on the main support, and coil spring axle and move back the spring baffle coaxial arrangement realize hot rolling to the spring through the coil spring axle.

One side of the main support is movably connected with a first guide pressing plate and a second guide pressing plate through bolts, an upper clamping groove is formed between the first guide pressing plate and the main support, a lower clamping groove is formed between the second guide pressing plate and the main support, an adjusting guide rail is formed between the upper clamping groove and the lower clamping groove, and the oil cylinder base is arranged in the adjusting guide rail and can horizontally slide. The oil cylinder seat slides in the adjusting guide rail to adjust the position of the oil cylinder seat, namely the position between the oil cylinder seat and the spring coiling shaft can be adjusted to adapt to the hot coil production of springs with different calibers.

The cylinder barrel of the tailing oil cylinder is fixed on the oil cylinder seat through a bolt, a cylinder rod of the tailing oil cylinder penetrates through the oil cylinder seat and then is connected with one end of an oil cylinder connecting block, the other end of the oil cylinder connecting block is connected with one end of a tailing wheel frame, the other end of the tailing wheel frame is provided with a rotatable tailing wheel shaft, the tailing wheel shaft is positioned through a round nut, the tailing wheel shaft is arranged towards a coil spring shaft, and the tailing wheel shaft can rotate. The hot rolled steel is rolled on the spring rolling shaft to form a spring, the distance between the tailing axle and the spring is adjusted through the expansion and contraction of the cylinder rod of the tailing oil cylinder, when the coil spring is at the tail, the cylinder rod of the tailing oil cylinder extends outwards, the hot rolled steel is extruded through the tailing axle, the tail is finished, and the quality of the hot coil spring is ensured. After ending, the cylinder rod of the ending oil cylinder contracts, and the next hot coil spring processing is not influenced.

The main support is movably connected with an upper guide piece and a lower guide piece through bolts, the upper guide piece is provided with a first guide groove, the lower guide piece is provided with a second guide groove, the first guide groove and the second guide groove are oppositely arranged, the tailing wheel frame is arranged between the first guide groove and the second guide groove and can slide between the first guide groove and the second guide groove, the cylinder rod of the tailing oil cylinder extends outwards to drive the tailing wheel frame and the tailing wheel shaft to extend outwards, and the cylinder rod of the tailing oil cylinder retracts inwards to drive the tailing wheel frame and the tailing wheel shaft to retract inwards so as to realize the completion of the work of the hot coiled spring. The upper guide piece and the lower guide piece can ensure the horizontal linear motion of the ending wheel carrier, and the machining precision is ensured.

The other side of the main support is provided with a lead screw fixing seat, a polished rod section of the adjusting lead screw is installed in the lead screw fixing seat through a bearing, a counter is installed on the polished rod section of the adjusting lead screw, and the counter is used for calculating the actual displacement of the adjusting lead screw and further controlling the actual displacement of the ending oil cylinder in real time. The screw thread section of the adjusting screw penetrates through the screw fixing seat and then is in threaded connection with the screw nut, the screw nut is connected with the oil cylinder seat through the adjusting support, the screw nut drives the oil cylinder seat to synchronously displace, the stroke of a cylinder rod of the ending oil cylinder is fixed, the position of the ending oil cylinder can be adjusted by adjusting the adjusting screw, the adjusting amount of the ending oil cylinder is increased, the adjusting range is wide, and the hot rolling device is suitable for hot rolling of a multi-caliber spring.

The oil cylinder base comprises a guide plate, a limiting chuck is arranged at the outer end of the guide plate, and the limiting position of the guide plate can be controlled through the limiting chuck. The guide rail at the upper end of the guide plate is arranged in the upper clamping groove, the guide rail at the lower end of the guide plate is arranged in the lower clamping groove, the guide plate is provided with the positioning seat, the cylinder barrel of the ending oil cylinder is fixed on the positioning seat through a bolt, and under the action of adjusting the guide rail, the oil cylinder seat is ensured to linearly move in the adjusting guide rail so as to adapt to hot rolling of the multi-caliber spring.

The tail wheel carrier is provided with a T-shaped clamping groove, the oil cylinder connecting block is provided with a T-shaped clamping head, and the T-shaped clamping head is clamped in the T-shaped clamping groove to ensure the connection stability.

Compared with the prior art, the utility model, specifically beneficial effect is embodied in:

one, the utility model discloses a cooperation of ending hydro-cylinder and adjusting screw can realize the hot system of rolling up to many calibers spring, and the adjustment is convenient, is applicable to the wire rod system spring of rolling up of various different line footpaths, and production efficiency obtains improving.

Second, the utility model discloses overall structure reasonable in design, it is simple to adorn individual device, the flexible operation, convenient to use, the ending is complete, need not to change ending shaft, low in production cost.

Drawings

Fig. 1 is a schematic structural diagram 1 of the present invention.

Fig. 2 is a schematic structural diagram 2 of the present invention.

Fig. 3 is a schematic structural diagram 3 of the present invention.

Fig. 4 is a schematic view of the connection structure of the present invention.

In the figure, 1 is a main bracket, 11 is a first guide pressing plate, 12 is a second guide pressing plate, 13 is an upper guide part, 14 is a lower guide part, 2 is a final oil cylinder, 21 is a cylinder barrel, 22 is a cylinder rod, 23 is an oil cylinder seat, 231 is a guide plate, 232 is a limit chuck, 233 is a positioning seat, 24 is an oil cylinder connecting block, 25 is a final wheel frame, 26 is a final wheel shaft, 27 is a round nut, 28 is a T-shaped clamping groove, 29 is a T-shaped chuck, 3 is an adjusting screw rod, 31 is a screw rod fixing seat, 32 is a counter, 33 is a screw rod nut, 34 is an adjusting bracket, 4 is a coil spring shaft, and 5 is a spring withdrawing baffle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-4, an automatic ending device of a hot-rolling spring comprises a main support 1, an ending oil cylinder 2 and an adjusting screw rod 3, wherein a spring rolling shaft 4 and a spring withdrawing baffle 5 are arranged on the main support 1, the spring rolling shaft 4 and the spring withdrawing baffle 5 are coaxially arranged, and the spring is rolled in a hot mode through the spring rolling shaft 4.

One side of the main support 1 is movably connected with a first guide pressing plate 11 and a second guide pressing plate 12 through bolts, an upper clamping groove is formed between the first guide pressing plate 11 and the main support 1, a lower clamping groove is formed between the second guide pressing plate 12 and the main support 1, an adjusting guide rail is formed between the upper clamping groove and the lower clamping groove, and the oil cylinder seat 23 is arranged in the adjusting guide rail and can horizontally slide. The oil cylinder seat 23 slides in the adjusting guide rail to adjust the position of the oil cylinder seat 23, namely the position between the oil cylinder seat 23 and the coil spring shaft 4 can be adjusted to adapt to the production of spring hot coils with different calibers.

The cylinder 21 of the ending oil cylinder 2 is fixed on an oil cylinder base 23 through a bolt, a cylinder rod 22 of the ending oil cylinder 2 penetrates through the oil cylinder base 23 and then is connected with one end of an oil cylinder connecting block 24, the other end of the oil cylinder connecting block 24 is connected with one end of an ending wheel frame 25, a rotatable ending wheel shaft 26 is arranged at the other end of the ending wheel frame 25, the ending wheel shaft 26 is positioned through a round nut 27, the ending wheel shaft 26 is arranged towards the spring coiling shaft 4, and the ending wheel shaft 26 can rotate. The hot rolled steel is rolled on the spring rolling shaft 4 to form a spring, the distance between the tailing axle 26 and the spring is adjusted by the expansion and contraction of the cylinder rod 22 of the tailing oil cylinder 2, when the coil spring is ended, the cylinder rod 22 of the tailing oil cylinder 2 extends outwards, the hot rolled steel is extruded through the tailing axle 26, the ending work is completed, and the quality of the hot coil spring is ensured. After ending, the cylinder rod 22 of the ending oil cylinder 2 contracts, and the next hot coil spring processing is not influenced.

An upper guide piece 13 and a lower guide piece 14 are movably connected to the main support 1 through bolts, a first guide groove is formed in the upper guide piece 13, a second guide groove is formed in the lower guide piece 14, the first guide groove and the second guide groove are arranged oppositely, a tailing wheel frame 25 is arranged between the first guide groove and the second guide groove, the tailing wheel frame 25 can slide between the first guide groove and the second guide groove, a cylinder rod 22 of the tailing oil cylinder 2 extends outwards to drive the tailing wheel frame 25 and a tailing wheel shaft 26 to extend outwards, the cylinder rod 22 of the tailing oil cylinder 2 retracts inwards to drive the tailing wheel frame 25 and the tailing wheel shaft 26 to retract inwards, and therefore the hot coil spring is completed. The upper guide 13 and the lower guide 14 can ensure the horizontal linear motion of the final wheel frame 25, and ensure the processing precision.

The other side of main support 1 is equipped with lead screw fixing base 31, adjusts the polished rod section of lead screw 3 and passes through the bearing and install in lead screw fixing base 31, is equipped with counter 32 on adjusting the polished rod section of lead screw 3, and counter 32 is used for calculating the actual displacement volume of adjusting lead screw 3, and then real-time control ending oil cylinder's actual displacement volume. The screw thread section of the adjusting screw rod 3 penetrates through the screw rod fixing seat 31 and then is in threaded connection with the screw nut 33, the screw nut 33 is connected with the oil cylinder seat 23 through the adjusting support 34, the screw nut 33 drives the oil cylinder seat 23 to synchronously displace, and the stroke of the cylinder rod 22 of the ending oil cylinder 2 is fixed, so that the position of the ending oil cylinder 2 can be adjusted by adjusting the screw rod 3, the adjusting amount of the ending oil cylinder 2 is increased, the adjusting range is wide, and the multi-caliber spring hot rolling device is further suitable for hot rolling of a multi-caliber spring.

Wherein, the oil cylinder seat 23 includes the deflector 231, and the outer end of deflector 231 is equipped with spacing dop 232, through the extreme position of the steerable deflector 231 of spacing dop 232. The guide rail at the upper end of the guide plate 231 is arranged in the upper clamping groove, the guide rail at the lower end of the guide plate 231 is arranged in the lower clamping groove, the positioning seat 233 is arranged on the guide plate 231, the cylinder barrel 21 of the ending oil cylinder 2 is fixed on the positioning seat 233 through a bolt, and under the action of the adjusting guide rail, the oil cylinder seat 23 is ensured to move linearly in the adjusting guide rail so as to adapt to the hot rolling of the multi-caliber spring.

The tail wheel frame 25 is provided with a T-shaped clamping groove 28, the oil cylinder connecting block 24 is provided with a T-shaped clamping head 29, and the T-shaped clamping head 29 is clamped in the T-shaped clamping groove 28 to ensure the connection stability.

The utility model discloses a theory of operation: firstly, the position of the ending oil cylinder 2 is adjusted according to the diameter of a spring to be rolled and the diameter of the spring, the diameter of the spring is large, the adjusting screw rod 3 rotates reversely, the screw rod nut 33 drives the adjusting bracket 34 and the cylinder body of the ending oil cylinder 2 to move synchronously, the position of the oil cylinder seat 23 is measured through the counter 32, and the accurate positioning of the oil cylinder seat 23 is realized; the diameter of the spring is small, the adjusting screw rod 3 rotates in the positive direction, the screw rod nut 33 drives the adjusting support 34 and the cylinder body of the ending oil cylinder 2 to move synchronously, the position of the oil cylinder seat 23 is measured through the counter 32, and the accurate positioning of the oil cylinder seat 23 is realized. When the spring is hot-rolled to the ending position, the cylinder rod 22 of the ending oil cylinder 2 extends outwards, the ending wheel shaft 26 is pressed against the wire, the final rolling work of the spring is realized under the limiting action of the ending oil cylinder 2, after the spring is rolled, the cylinder rod 22 of the ending oil cylinder 2 retracts inwards, the ending wheel shaft 26 leaves the spring, and the spring is separated from the hot spring coiling machine under the action of the spring withdrawing baffle 5, so that the rolling is completed. The utility model has the advantages of reasonable design, the dress is single simple, the flexible operation, convenient to use, and the ending is complete, need not to change ending shaft 26, low in production cost.

The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The automatic ending device of the hot coil spring is characterized by comprising a main support (1), an ending oil cylinder (2) and an adjusting screw rod (3), wherein a coil spring shaft (4) and a spring withdrawing baffle (5) are arranged on the main support (1), and the coil spring shaft (4) and the spring withdrawing baffle (5) are coaxially arranged;

a first guide pressure plate (11) and a second guide pressure plate (12) are movably connected to one side of the main support (1) through bolts, an upper clamping groove is formed between the first guide pressure plate (11) and the main support (1), a lower clamping groove is formed between the second guide pressure plate (12) and the main support (1), an adjusting guide rail is formed between the upper clamping groove and the lower clamping groove, and an oil cylinder seat (23) is arranged in the adjusting guide rail and can horizontally slide;

a cylinder barrel (21) of the ending oil cylinder (2) is fixed on an oil cylinder base (23) through a bolt, a cylinder rod (22) of the ending oil cylinder (2) penetrates through the oil cylinder base (23) and then is connected with one end of an oil cylinder connecting block (24), the other end of the oil cylinder connecting block (24) is connected with one end of an ending wheel frame (25), a rotatable ending wheel shaft (26) is arranged at the other end of the ending wheel frame (25), the ending wheel shaft (26) is positioned through a round nut (27), and the ending wheel shaft (26) is arranged towards a spring coiling shaft (4);

the main support (1) is movably connected with an upper guide piece (13) and a lower guide piece (14) through bolts, the upper guide piece (13) is provided with a first guide groove, the lower guide piece (14) is provided with a second guide groove, the first guide groove and the second guide groove are arranged oppositely, and the final wheel carrier (25) is arranged between the first guide groove and the second guide groove;

the other side of main support (1) is equipped with lead screw fixing base (31), and the polished rod section of adjusting lead screw (3) passes through the bearing and installs in lead screw fixing base (31), is equipped with counter (32) on the polished rod section of adjusting lead screw (3), and the screw thread section of adjusting lead screw (3) passes behind lead screw fixing base (31) and screw nut (33) threaded connection, screw nut (33) link to each other with hydro-cylinder seat (23) through adjusting support (34).

2. The automatic tailing device of the hot coil spring as claimed in claim 1, wherein the oil cylinder seat (23) comprises a guide plate (231), the outer end of the guide plate (231) is provided with a limit chuck (232), the upper end guide rail of the guide plate (231) is arranged in an upper clamping groove, the lower end guide rail of the guide plate (231) is arranged in a lower clamping groove, the guide plate (231) is provided with a positioning seat (233), and the cylinder barrel (21) of the tailing oil cylinder (2) is fixed on the positioning seat (233) through a bolt.

3. The automatic ending device of the hot coil spring as claimed in claim 1, wherein the ending wheel frame (25) is provided with a T-shaped clamping groove (28), the cylinder connecting block (24) is provided with a T-shaped clamping head (29), and the T-shaped clamping head (29) is clamped in the T-shaped clamping groove (28).