CN111408638B

CN111408638B - Bending device of heat dissipation inserted sheet in radiator for 5G basic station

Info

Publication number: CN111408638B
Application number: CN202010240864.6A
Authority: CN
Inventors: 史沸涛; 成晓辉; 刘佳; 汪志强; 吴兵
Original assignee: Wuhu Jinyi Machinery Co ltd
Current assignee: Wuhu Jinyi Machinery Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-07-16
Anticipated expiration: 2040-03-31
Also published as: CN111408638A

Abstract

The invention discloses a bending device for a heat dissipation insertion sheet in a radiator for a 5G base station, which relates to the technical field of communication and comprises a base frame, a heat dissipation sheet, a pressing mechanism and a bending mechanism, wherein the lower end of the base frame is provided with a plurality of supporting legs which are circumferentially arranged, the upper end surface of the base frame is provided with a placing groove, two sides of the placing groove are provided with mounting holes, and two limiting pieces are detachably connected in the two mounting holes through bolts. According to the invention, the placing groove with the width far larger than that of the radiating fin is arranged on the upper surface of the base frame, and the pressing mechanism and the limiting piece are arranged, so that the processing efficiency is improved to a great extent; by arranging the bending mechanism, the radiating fins can be kept in a vertical state after being expanded and pressed on the base, so that the subsequent processes are guaranteed to be smoothly carried out; the two symmetrically arranged bending supporting rods are connected in an inserting mode, so that the purpose of smoothly separating the bending supporting rods from the bent heating panel can be achieved while the supporting strength of the bent part in the bending process is guaranteed.

Description

Bending device of heat dissipation inserted sheet in radiator for 5G basic station

Technical Field

The invention relates to the technical field of communication, in particular to a bending device for a heat dissipation insert in a radiator for a 5G base station.

Background

The rapid development of the network communication technology enables people to come to the fifth generation mobile communication network, the 5G technology has super-large bandwidth, the data transmission rate is far higher than that of the previous network, and the experience rate can reach 1Gbps, which is equivalent to one hundred times of 4G; the 5G base station is a public mobile communication base station specially providing 5G network service to realize wireless signal transmission between a wired communication network and a wireless terminal, and with the increase of the 5G transmission rate by times, the 5G base station also processes mass data, the power consumption of processing equipment in the base station is greatly increased, the heat production is greatly increased, and the requirement on a heat radiator in the base station is increased.

At present, my department has proposed to carry out split type improved generation processing technology to the radiator on traditional integrative die-casting shaping's processing method basis, and the thickness of novel fin is thinner, and the radiating effect is better, but finds to have certain not enough in the bending process of fin in the manufacturing process: firstly, the bottom end of the radiating fin needs to be bent into two layers to be inserted into the base of the radiating fin in an expanding manner, when the bottom end of the radiating fin is bent, although the height of the radiating fin is the same, the width of the radiating fin contains various specifications, and when the radiating fin to be bent with different specifications is replaced each time, an operator needs to replace different positioning and bending dies, so that labor is wasted, and meanwhile, the processing efficiency needs to be improved; after the radiating fins are bent, due to the material of the radiating fins, the radiating fins can elastically recover, the two end faces at the bent positions after deformation cannot keep a parallel state, and after the expanding type radiating fins are inserted into the base in an inserting mode, the radiating fins can be inclined to a large extent, and much inconvenience is brought to subsequent processes.

Disclosure of Invention

The invention aims to provide a bending device for a heat dissipation insert in a radiator for a 5G base station, which aims to overcome the defects in the prior art.

The utility model provides a bending device of heat dissipation inserted sheet in radiator for 5G base station, includes bed frame, fin, hold-down mechanism and the mechanism of bending, the supporting legs that a plurality of circumference set up is installed to the lower extreme of bed frame, and the standing groove has been seted up to the up end of bed frame, and the mounting hole has been seted up to the both sides of standing groove, two can dismantle through the bolt in the mounting hole and be connected with the locating part, and the spout one that two symmetries set up is seted up to the side of bed frame, the fin sets up in the standing groove, sets up the bending groove that the slope set up on the side face of fin, still sets up the joint groove of column indent on the side face of fin, hold-down mechanism installs on the side of bed frame for carry on spacing fixedly to the fin, the mechanism of bending.

Preferably, the pressing mechanism comprises an oil cylinder, a support plate, a sliding part and a pressing plate, the oil cylinder is arranged at the side end of the base frame through an L-shaped mounting plate I, the lower end of the support plate is connected with the output end of the oil cylinder, two sides of the support plate are inclined, a limit block is arranged at the end part of the support plate, the sliding part is arranged on the inclined surface of the support plate in a sliding manner, a sliding hole which is arranged in an inclined manner is formed in the side end of the sliding part, a first sliding block is fixedly arranged at the side end of the sliding part, which is close to the base frame, the first sliding block is arranged in the sliding groove I in a sliding manner, a bearing is arranged above the sliding hole on the sliding part, a bending rod is arranged on the bearing, an inner embedding groove is formed in the bending rod, a connecting rod is further arranged on, the lower end of the pressing plate is provided with two guide posts which are symmetrically arranged in a sliding mode, and the lower ends of the two guide posts are fixed on the upper end face of the base frame.

Preferably, the bending mechanism comprises two driving motors, a sleeve, an insert block and a mounting seat which are symmetrically arranged, the driving motors are arranged on the sliding part through a second mounting plate, one end of the sleeve penetrates through the bearing and is connected to the output end of the driving motors, the mounting seat is L-shaped and is arranged on the other end face of the sleeve, the other end of the mounting seat is provided with a poking elbow, and the insert block is arranged on the inner embedded groove and is arranged in the sleeve.

Preferably, the connection mode of the contact end parts of the two bending resisting rods is splicing.

Preferably, the width of the radiating fin is not greater than the width of the placing groove, and the lower ends of the guide posts are fixed on two sides of the placing groove.

Preferably, the length of the short rod section of the mounting seat is not higher than that of the bent part of the radiating fin, namely, the poke elbow can be kept in contact with the bent part of the radiating fin during rotation.

The invention has the advantages that:

(1) the placing groove with the width far larger than that of the radiating fins is formed in the upper surface of the base frame, the pressing mechanism and the limiting part are arranged, the output end of the oil cylinder drives the sliding part to slide on the guide post through the connecting rod until the lowest end of the pressing plate abuts against the upper surface of the radiating fins, the radiating fins with different widths are effectively fixed and limited, a machining die does not need to be replaced when different radiating fin specifications are replaced for machining, and machining efficiency is greatly improved;

(2) by arranging the bending mechanism, the bending part of the radiating fin is bent into the obliquely arranged bending groove by the bending head on the mounting seat under the driving of the driving motor, namely, the radiating fin is bent excessively, after the elastic recovery of the radiating fin, the purpose that the bending part is parallel to the other side is achieved, the radiating fin can be kept in a vertical state after being expanded and pressed on the base, and the smooth proceeding of the subsequent processes is ensured;

(3) the two symmetrically arranged bending supporting rods are connected in an inserting mode, so that the purpose of smoothly separating the bending supporting rods from the bent heating panel can be achieved while the supporting strength of the bent part in the bending process is guaranteed.

Drawings

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

Fig. 2 is a schematic structural view of the base frame of the present invention.

Fig. 3 is a schematic structural view of the pressing mechanism of the present invention.

Fig. 4 is a schematic structural view of the bending mechanism of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is an assembly view of a part of the structure of the present invention.

Fig. 7 is a schematic structural view of the heat sink of the present invention.

The device comprises a base frame 1, a heat radiating fin 2, a pressing mechanism 3, a bending mechanism 4, a supporting foot 5, a placing groove 6, a mounting hole 7, a limiting part 8, a first sliding groove 9, a first bending groove 10, a clamping groove 11, an oil cylinder 301, a supporting plate 302, a sliding part 303, a pressing plate 304, a first mounting plate 305, a first limiting block 306, a sliding hole 307, a first sliding block 308, a first bearing 309, a supporting rod 310, an inner embedding groove 311, a connecting rod 312, a second sliding block 313, a second sliding groove 314, a second guiding column 315, a driving motor 401, a sleeve 402, an embedding block 403, an installation seat 404, an installation seat 405, a second mounting plate 403 and a poke elbow 406.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, a bending device for a heat dissipation insert in a radiator for a 5G base station comprises a base frame 1, a heat dissipation plate 2, a pressing mechanism 3 and a bending mechanism 4, wherein a plurality of supporting legs 5 arranged circumferentially are installed at the lower end of the base frame 1, a placing groove 6 is formed in the upper end surface of the base frame 1, mounting holes 7 are formed in two sides of the placing groove 6, a limiting member 8 is detachably connected to each of the two mounting holes 7 through a bolt, two symmetrically arranged sliding grooves 9 are formed in the side end of the base frame 1, the heat dissipation plate 2 is arranged in the placing groove 6, an obliquely arranged bending groove 10 is formed in the side plate surface of the heat dissipation plate 2, a columnar inward concave clamping groove 11 is further formed in the side plate surface of the heat dissipation plate 2, the pressing mechanism 3 is installed on the side end of the base frame 1 and is used for limiting and fixing the heat dissipation, and is used for bending the bottom end insertion portion of the heat sink 2.

The slide hole 307 formed in the stopper 8 is disposed in an inclined manner, and is matched with the inclined portion of the slide hole 302.

In this embodiment, the pressing mechanism 3 includes an oil cylinder 301, a supporting plate 302, a sliding member 303 and a pressing plate 304, the oil cylinder 301 is installed on the side end of the base frame 1 through an L-shaped first mounting plate 305, the lower end of the supporting plate 302 is connected with the output end of the oil cylinder 301, two sides of the supporting plate 302 are inclined and the end portion is provided with a limiting block 306, the sliding member 303 is slidably disposed on the inclined surface of the supporting plate 302, the side end of the sliding member 303 is provided with an inclined sliding hole 307, the side end of the sliding member 303 close to the base frame 1 is fixedly provided with a first sliding block 308, the first sliding block 308 is slidably disposed in the first sliding groove 9, a bearing 309 is installed above the sliding hole 307 on the sliding member 303, the bearing 309 is installed with a bending bar 310, the bending bar 310 is provided with an inner embedding groove 311, the sliding member 303 is further provided with a connecting bar, the side end of the pressing plate 304 is provided with a second sliding groove 314, the second sliding block 313 is slidably arranged in the second sliding groove 314, the lower end of the pressing plate 304 is slidably provided with two symmetrically arranged guide posts 315, and the lower ends of the two guide posts 315 are fixed on the upper end surface of the base frame 1.

It should be noted that the limiting position on the limiting member 8 is matched with the gear shaping portion of the heat sink 2, and the bending rod 310 is matched with the clamping groove 11, so as to ensure that the heat sink 2 is not inclined in the feeding and bending processes.

In this embodiment, the bending mechanism 4 includes two driving motors 401, a sleeve 402, an insert 403 and a mounting base 404, the driving motors 401 are symmetrically arranged on the sliding member 303 through a second mounting plate 405, one end of the sleeve 402 penetrates through the bearing 309 and is connected to the output end of the driving motor 401, the mounting base 404 is L-shaped and is mounted on the other end surface of the sleeve 402, the other end of the mounting base 404 is provided with a pulling bend 406, and the insert 403 is mounted on the inner insert slot 311 and is placed in the sleeve 402.

It is noted that the driving motor 401 is a servo motor.

In this embodiment, the contact ends of the two bending bars 310 are connected by plugging.

In this embodiment, the width of the heat sink 2 is not greater than the width of the placement groove 6, and the lower ends of the guide posts 315 are fixed to both sides of the placement groove 6.

In this embodiment, the length of the short rod section of the mounting seat 404 is not greater than the length of the bent portion of the heat sink 2, i.e. the return bend 406 can be kept in contact with the bent portion of the heat sink 2 during rotation.

The working process and principle are as follows: when the cooling fin fixing device works, firstly, an operator places the cooling fin 2 in the placing groove 6, enables the gear shaping at the end part of the cooling fin 2 to abut against the limiting position of the limiting part 8, starts the oil cylinder 301, the output end of the oil cylinder drives the supporting plate 302 to move downwards, the oil cylinder drives the two symmetrically arranged bending rods 310 to complete inserting connection through the sliding part 303 sliding on the inclined part of the supporting plate 302, drives the two slide blocks 313 to slide in the two slide grooves 314 through the connecting rod 312, so that the pressing plate 304 moves downwards synchronously on the guide post 315, the lower end surface of the pressing plate 304 moves to the upper surface of the cooling fin 2, the fixed limiting of the cooling fin 2 is realized, then simultaneously starts the two symmetrically arranged driving motors 401, the output end of the driving sleeve 402 drives the poking elbow 406 to synchronously rotate through the mounting seat 404, and after the poking elbow 406 rotates to the lower end of the bending, the heat sink 2 is bent around the bending bar 310, after the bent portion of the heat sink 2 rotates into the bending groove 10, the driving motor 401 is turned off, and after the above operations are performed in the reverse direction, the bent heat sink 2 is taken out and restored by its own elasticity, so that the purpose that the bent portion of the heat sink 2 is parallel to the other side end is finally achieved.

Based on the above, according to the invention, by arranging the placing groove 6 with the width far greater than that of the heat dissipation fin 2 on the upper surface of the base frame 1, and by arranging the pressing mechanism 3 and the limiting piece 8, the output end of the oil cylinder 301 drives the sliding piece 303 to enable the pressing plate 304 to slide on the guide post 315 through the connecting rod 312 until the lowest end of the pressing plate 304 abuts against the upper surface of the heat dissipation fin 2, the effective fixing and limiting of the heat dissipation fins 2 with different widths are realized, when different specifications of the heat dissipation fins 2 are replaced for processing, a processing die does not need to be replaced, and the processing efficiency is greatly improved;

by arranging the bending mechanism 4, the bending head 406 on the mounting seat 404 bends the bending part of the heat sink 2 into the obliquely arranged bending groove 10 under the driving of the driving motor 401, i.e. the heat sink 2 is bent excessively, after the heat sink is elastically restored, the purpose that the bending part is parallel to the other side is achieved, the heat sink can be kept in a vertical state after being expanded and pressed on the base, and the smooth proceeding of the subsequent processes is ensured; the two symmetrically arranged bending rods 310 are connected in an inserting mode, so that the purpose of smoothly separating the bent heat dissipation plate 2 from the bent heat dissipation plate can be achieved while the supporting strength of the bent part in the bending process is guaranteed.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. A bending device for heat dissipation inserts in radiators for 5G base stations is characterized by comprising a base frame (1), heat dissipation fins (2), a pressing mechanism (3) and a bending mechanism (4), wherein the lower end of the base frame (1) is provided with a plurality of supporting legs (5) which are circumferentially arranged, the upper end face of the base frame (1) is provided with a placing groove (6), two sides of the placing groove (6) are provided with mounting holes (7), two limiting parts (8) are detachably connected in the two mounting holes (7) through bolts, the side end of the base frame (1) is provided with two symmetrically arranged first sliding grooves (9), the heat dissipation fins (2) are arranged in the placing groove (6), the side plate faces of the heat dissipation fins (2) are provided with obliquely arranged bending grooves (10), the side plate faces of the heat dissipation fins (2) are also provided with columnar inwards concave clamping grooves (11), the pressing mechanism (3) is arranged on the side end of the base frame (, the clamping device is used for limiting and fixing the radiating fins (2), the bending mechanism (4) is installed on the pressing mechanism (3) and is used for bending the inserting and connecting part at the bottom ends of the radiating fins (2), the pressing mechanism (3) comprises an oil cylinder (301), a supporting plate (302), a sliding piece (303) and a pressing plate (304), the oil cylinder (301) is installed on the side end of the base frame (1) through an L-shaped mounting plate I (305), the lower end of the supporting plate (302) is connected with the output end of the oil cylinder (301), two sides of the supporting plate (302) are inclined, a limiting block (306) is arranged at the end part of the supporting plate (302), the sliding piece (303) is arranged on the inclined surface of the supporting plate (302) in a sliding mode, an inclined sliding hole (307) is formed in the side end part of the sliding piece (303), and a sliding block I (308), the first sliding block (308) is arranged in the first sliding groove (9) in a sliding mode, a bearing (309) is arranged on the sliding part (303) above a sliding hole (307), a bending rod (310) is arranged on the bearing (309), an inner embedded groove (311) is formed in the bending rod (310), a connecting rod (312) is further arranged on the sliding part (303), a second sliding block (313) is hinged to the other end of the connecting rod (312), a second sliding groove (314) is formed in the side end of the pressing plate (304), the second sliding block (313) is arranged in the second sliding groove (314) in a sliding mode, two guide posts (315) which are symmetrically arranged are arranged on the lower end of the pressing plate (304) in a sliding mode, the lower ends of the two guide posts (315) are fixed to the upper end face of the base frame (1), and the bending mechanism (4) comprises two driving motors (401), a sleeve (402), an embedded block (403) and a, the driving motor (401) is installed on the sliding piece (303) through the second installation plate (405), one end of the sleeve (402) penetrates through the bearing (309) and is connected to the output end of the driving motor (401), the installation seat (404) is L-shaped and is installed on the other end face of the sleeve (402), the other end of the installation seat (404) is provided with a poking elbow (406), and the embedded block (403) is installed on the inner embedded groove (311) and is arranged in the sleeve (402).

2. The bending device for the heat dissipation insert in the radiator for the 5G base station as claimed in claim 1, wherein: the contact end parts of the two bending resisting rods (310) are connected in an inserting mode.

3. The bending device for the heat dissipation insert in the radiator for the 5G base station as claimed in claim 1, wherein: the width of the radiating fins (2) is not larger than that of the placing groove (6), and the lower ends of the guide columns (315) are fixed on two sides of the placing groove (6).

4. The bending device for the heat dissipation insert in the radiator for the 5G base station as claimed in claim 1, wherein: the length of the short rod section of the mounting seat (404) is not higher than that of the bent part of the radiating fin (2), namely, the poke elbow (406) can be kept in butt joint with the bent part of the radiating fin (2) in the rotating process.