CN111230448B

CN111230448B - Pressing device for upper cover plate of radiator shell for 5G base station

Info

Publication number: CN111230448B
Application number: CN202010093418.7A
Authority: CN
Inventors: 史沸涛; 楼林海; 周建; 成晓辉
Original assignee: Wuhu Jinyi Machinery Co ltd
Current assignee: Wuhu Jinyi Machinery Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2021-11-26
Anticipated expiration: 2040-02-14
Also published as: CN111230448A

Abstract

The invention discloses a pressing device for an upper cover plate of a radiator shell for a 5G base station, relates to the technical field of communication, and comprises a base frame, a clamping mechanism, a polishing mechanism and a rolling mechanism. The assembly method comprises the steps that the base body and the inserting fins are fixed, the upper cover plate is directly pressed on the upper ends of the inserting fins, only the base body is cooled, occupied space and cooling time of a die-casting cooling process are reduced, and the V-shaped arrangement of the inserting fins on the base body meets the requirements of small thickness and large heat dissipation area, and simultaneously, the strength capable of bearing external force is increased; the purpose that the upper cover plate is installed on the inserting fin outside the rolling mechanism manually is achieved through the clamping mechanism fixedly arranged on the sliding block, and the automatic discharging of the product after the assembling is finished is achieved; through being higher than between five running rollers and being degressive in the pay-off direction, avoided because its material is softer and once the pressfitting atress that arouses too big, and lead to its bad consequence of deformation.

Description

Pressing device for upper cover plate of radiator shell for 5G base station

Technical Field

The invention relates to the technical field of communication, in particular to a pressing device for an upper cover plate of a radiator shell 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 services 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, so that the power consumption of processing equipment in the base station is greatly increased, and the heat production is inevitably increased.

At present, most of the existing radiators for 5G base stations are processed by adopting an integral die-casting molding mode, in the long-term production and manufacturing process, certain disadvantages are found in the method, for example, in order to satisfy the good heat dissipation effect, the shell of the heat sink needs to be arranged deeply, however, because the depth of the part is too large, the heat sink must be made to have a certain thickness to satisfy the molding strength, and finally, the heat dissipation effect of the shell is affected by the excessive thickness, i propose a split type processing technology to press the upper cover plate in order to solve the technical problems that after the integral forming, a larger space is required to be occupied for cooling the upper cover plate, and the cooling time is too long, however, the automation degree of the method needs to be improved, the force of one-time pressing is difficult to accurately grasp, and the deformation phenomenon that the inserted fin is difficult to recover due to overlarge stress is often caused.

Disclosure of Invention

The invention aims to provide a pressing device for an upper cover plate of a radiator shell for a 5G base station, which aims to solve the defects caused in the prior art.

A pressing device for an upper cover plate of a radiator shell for a 5G base station comprises a base frame, the upper cover plate, a clamping mechanism, a polishing mechanism and a rolling mechanism, wherein two sliding rails which are symmetrically arranged are fixed at the upper end of the base frame in a feeding direction, a first driving motor is fixed at the side end of the base frame through a first mounting plate, a lead screw is installed at the output end of the first driving motor, a sliding block is connected onto the lead screw in a threaded manner, a fixed plate is rotatably connected to the other end of the lead screw, the fixed plate is fixed at the other side end of the base frame, the clamping mechanism is fixedly installed at the upper end of the sliding block and used for fixing and limiting a workpiece to be processed, the upper cover plate is installed at the upper end of the workpiece, the rolling mechanism is installed at the upper end of the base frame through two symmetrically arranged pedestals and used for finally fixing the upper cover plate, and an induction device is further installed at the upper end of the rolling mechanism, the polishing mechanism is arranged on the rolling mechanism and used for polishing the upper surface of the workpiece provided with the upper cover plate.

Preferably, the clamping mechanism comprises a movable plate, a clamping block and a fixing bolt, a sliding body is fixed at the lower end of the movable plate, the sliding body is connected to the slide rail in a sliding manner, an installation hole is further formed in the lower end of the movable plate, the upper end of the sliding block is fixed in the installation hole, two symmetrically-arranged installation grooves are formed in the side end of the movable plate, the clamping block is arranged in the installation grooves, and the fixing bolt penetrates through the clamping block and is in threaded connection with the movable plate.

Preferably, the grinding mechanism includes the base member and inserts the wing, the lower extreme joint of base member in the block, the upper end of base member with insert wing fixed connection, insert the wing and have a plurality of and the upper end all is provided with protruding tooth, the ventilation hole of a plurality of equipartition is seted up to the upper end of upper cover plate, and a plurality of and protruding tooth matched with jack are still seted up to the upper end of upper cover plate, be connected with the bull stick on the rolling mechanism, fixed the cup jointing has the grinding roller on the bull stick.

Preferably, the rolling mechanism comprises a second driving motor, a driving wheel and guide wheels, two symmetrically arranged support rods are respectively fixed at the upper ends of the two pedestals, a mounting seat is sleeved on each support rod in a sliding manner, locking nuts are respectively in threaded connection with the upper end and the lower end of each support rod on the corresponding mounting seat, a bearing plate is fixed at the side end of each mounting seat, the second driving motor is installed on the bearing plate through the second mounting plate, the driving wheel is installed at the output end of the second driving motor, the guide wheels are provided with a plurality of guide wheels which are all rotatably installed at the side end of the bearing plate, the first guide wheel in the feeding direction penetrates through the bearing plate and is connected with a rotating rod, a grinding roller is arranged on the rotating rod, five rotating rods which are arranged in parallel are further rotatably connected at the side end of the bearing plate, and a driven wheel is installed at one end, close to the driving wheel, of the five rotating rods, the driving wheel, the guide wheel and the driven wheel are meshed with a transmission belt, the other end of the rotating rod penetrates through one bearing plate and is fixed with a roller wheel, and the other end of the roller wheel is rotatably connected to the side end face of the other bearing plate.

Preferably, the plurality of inserting fins are vertically arranged, the width sizes of the inserting fins are different, the heights and the thicknesses of the inserting fins are the same, and the inserting fins are symmetrically distributed on the base body in a V shape integrally.

Preferably, the height between the five rollers is gradually reduced in the feeding direction, and the outer edge surface of the last roller is attached to the upper surface of the upper cover plate.

The invention has the advantages that:

(1) the assembly mode that the base body and the inserting fins are fixed and the upper cover plate is directly pressed on the upper ends of the inserting fins is adopted, only the base body is cooled, the occupied space and the cooling time of a die-casting cooling process are reduced, and the V-shaped arrangement of the inserting fins on the base body meets the requirements of small thickness and large heat dissipation area, and simultaneously, the strength capable of bearing external force is also increased;

(2) the base body and the inserting fins can slide on the lead screw through the clamping mechanism fixedly arranged on the sliding block, so that the upper cover plate is manually installed on the inserting fins outside the rolling mechanism, the rolling mechanism cannot influence the installation of the upper cover plate, and the automatic discharging of the assembled product is realized after the pressing process is finished;

(3) through the arrangement that the height between the five rollers is gradually reduced in the feeding direction, and the outer edge surface of the last roller is attached to the upper surface of the upper cover plate, the gradual expansion and compression of the convex teeth arranged at the upper ends of the inserting wings are realized, and then the convex teeth are pressed with the upper cover plate, so that the problem that the deformation is caused due to the fact that the material of the convex teeth is soft and the stress of one-time pressing is too large is avoided.

Drawings

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

FIG. 2 is an assembly view of the engaging mechanism and a portion of the structure of the present invention.

FIG. 3 is a schematic structural diagram of the engaging mechanism of the present invention.

Fig. 4 is a schematic view of a part of the structure of the grinding mechanism of the present invention.

Fig. 5 is an assembly schematic diagram of a partial structure of a rolling mechanism and a partial structure of a grinding mechanism in the present invention.

FIG. 6 is a schematic view of the assembly of the insertion fin and the upper cover plate according to the present invention.

FIG. 7 is a schematic view of the structure of the insertion fin of the present invention.

Wherein, 1-base frame, 2-clamping mechanism, 3-polishing mechanism, 4-rolling mechanism, 5-sliding rail, 6-mounting plate I, 7-driving motor I, 8-lead screw, 9-sliding block, 10-fixing plate, 11-upper cover plate, 12-base, 13-induction device, 201-moving plate, 202-clamping block, 203-fixing bolt, 204-sliding body, 205-mounting hole, 206-mounting groove, 301-base body, 302-inserting wing, 303-convex tooth, 304-vent hole, 305-inserting hole, 306-rotating rod, 307-polishing roller, 401-driving motor II, 402-driving wheel, 403-guide wheel, 404-supporting rod, 405-mounting seat and 406-locking nut, 407, a bearing plate, 408, a second mounting plate, 409, a rotating rod, 410, a driven wheel, 411, a transmission belt and 412, wherein the bearing plate is arranged on the upper surface of the base plate.

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 pressing device for an upper cover plate of a radiator housing for a 5G base station includes a base frame 1, an upper cover plate 11, a clamping mechanism 2, a polishing mechanism 3, and a rolling mechanism 4, wherein two slide rails 5 symmetrically arranged are fixed at the upper end of the base frame 1 in a feeding direction, a first driving motor 7 is fixed at the side end of the base frame 1 through a first mounting plate 6, a lead screw 8 is installed at the output end of the first driving motor 7, a slider 9 is connected to the lead screw 8 through a thread, a fixing plate 10 is rotatably connected to the other end of the lead screw 8, the fixing plate 10 is fixed at the other side end of the base frame 1, the clamping mechanism 2 is fixedly installed at the upper end of the slider 9 and is used for fixing and limiting a workpiece to be processed, the upper cover plate 11 is installed at the upper end of the workpiece, the rolling mechanism 4 is installed at the upper end of the base frame 1 through two symmetrically arranged pedestals 12, and the grinding mechanism 3 is arranged on the rolling mechanism and is used for grinding the upper surface of the workpiece provided with the upper cover plate 11.

It should be noted that a PLC controller is disposed at the lower end of the base frame 1, the first driving motor 7 is a servo motor, and the sensing device 13 is an infrared sensor.

In this embodiment, the engaging mechanism 2 includes a moving plate 201, an engaging block 202 and a fixing bolt 203, a sliding body 204 is fixed to a lower end of the moving plate 201, the sliding body 204 is slidably connected to the slide rail 5, a mounting hole 205 is further formed in a lower end of the moving plate 201, an upper end of the slider 9 is fixed in the mounting hole 205, two symmetrically-arranged mounting grooves 206 are formed in a side end of the moving plate 201, the engaging block 202 is arranged in the mounting groove 206, and the fixing bolt 203 penetrates through the engaging block 202 and is screwed to the moving plate 201.

In this embodiment, grinding machanism 3 includes base member 301 and inserts wing 302, the lower extreme joint of base member 301 in the block 202, the upper end of base member 301 with insert wing fixed connection, insert wing 302 and have a plurality of and the upper end all to be provided with convex tooth 303, the ventilation hole 304 of a plurality of equipartition is seted up to the upper end of upper cover plate 11, and a plurality of and convex tooth 303 matched with jack 305 have still been seted up to the upper end of upper cover plate 11, be connected with bull stick 306 on the rolling mechanism 4, fixed cover has connect the grinding roller 307 of polishing on the bull stick.

It should be noted that the base 301 and the inserting fin 302 may be fixed by inserting or welding, the grinding roller 307 is used for grinding the edge at the upper end of the convex tooth 303, and the grinding roller 307 is made of a flexible felt material.

In this embodiment, the rolling mechanism 4 includes a second driving motor 401, a driving wheel 402 and guide wheels 403, two symmetrically disposed support rods 404 are fixed at the upper ends of the two pedestals 12, respectively, a mounting seat 405 is slidably sleeved on the support rods 404, locking nuts 406 are screwed on the support rods 404 at the upper end and the lower end of the mounting seat 405, a bearing plate 407 is fixed at the side end of the mounting seat 405, the second driving motor 401 is mounted on the bearing plate 407 through a second mounting plate 408, the driving wheel 402 is mounted at the output end of the second driving motor 401, the guide wheels 403 have a plurality of guide wheels 403, which are rotatably mounted at the side end of the bearing plate 407, the first guide wheel 403 in the feeding direction penetrates through the bearing plate 407 and is connected with a rotating rod 306, the rotating rod 306 is provided with a grinding roller 307, and five rotating rods 409 which are arranged in parallel are rotatably connected at the side end of the bearing plate 407, five driven wheels 410 are installed at one end, close to the driving wheel 402, of the rotating rod 409, a transmission belt 411 is meshed among the driving wheel 402, the guide wheel 403 and the driven wheels 410, the other end of the rotating rod 409 penetrates through one bearing plate 407 and is fixed with a roller 412, and the other end of the roller 412 is rotatably connected to the side end face of the other bearing plate 407.

It should be mentioned that the mounting seat 405 is adjustable on the supporting rod 404, and the height of the mounting seat 405 can be adjusted by only loosening and tightening the locking nut 406, so that the upper cover plate 11 can be pressed on the inserting fins 302 with different heights.

In this embodiment, the plurality of insertion fins 302 are vertically arranged, the width dimensions of the insertion fins 302 are different, the height and the thickness are the same, and the insertion fins 302 are symmetrically distributed on the base 301 in a V shape as a whole, so that the overall strength, i.e., the deformation resistance, of the workpiece can be improved.

In this embodiment, the heights of the five rollers 412 are gradually decreased in the feeding direction, and the outer edge surface of the last roller 412 is attached to the upper surface of the upper cover plate 11.

The working process and principle are as follows: when the invention works, firstly, the first driving motor 7 and the second driving motor 401 are started, the slide block 9 is driven by driving the rotation of the screw rod 8, the clamping mechanism 2 is further driven to move to the outside of the execution part of the rolling mechanism 4, the first driving motor 7 is closed, the process ensures that the rolling mechanism 4 fixedly arranged on the base frame 1 cannot obstruct the installation of the upper cover plate 11, the installation process is to unscrew the fixing bolt 203, the clamping block 202 can be pulled out from the installation groove 206, the base body 301 is placed on the upper end surface of the moving plate 201 after a proper distance, then the process is operated in the reverse direction, the clamping block 202 clamps and fixes the base body 301, then the upper cover plate 11 is placed on the inserting fin 302 through the insertion hole 305 matched with the convex tooth 303, the installation process is completed, after the installation is completed, the first driving motor 7 is reversely started, the clamping mechanism 2 is driven to drive the convex tooth 303 on the inserting fin 302 to move to the lower part of the induction device 13, after the convex teeth 303 are sensed, sensing signals are transmitted to the PLC, and the PLC controls the rotation degree of a driving motor 7 according to received sensing signal data, so that the edges and corners of the convex teeth 303 entering the rolling mechanism 4 are rounded and polished.

After polishing, the first driving motor 7 is started to drive the convex teeth 303 to enter the rolling mechanism 4, the five rollers 412 with gradually decreasing heights in the feeding direction synchronously rotate under the driving of the second driving motor 401, the heights of the convex teeth 303 at the upper ends of the inserting wings 302 decrease along with the first rollers 412, the widths of the inserting holes 305 in the upper cover plate 11 increase along with the decrease until the convex teeth 303 at the upper ends of the inserting wings 302 are the lowest and are completely expanded and embedded in the inserting holes 305 after passing through the last rollers 412, so that the inserting wings 302 and the upper cover plate 11 are completely fixed, and finally the convex teeth 303 move to the discharging end along the feeding direction to be taken out, and the material taking operation is realized by loosening the fixing bolts 203.

Based on the above, the assembly method of the invention adopts the assembly mode that the base body 301 and the insertion fins 302 are fixed, and the upper cover plate 11 is directly pressed on the upper ends of the insertion fins 302, only the base body 301 is cooled, so that the occupied space and the cooling time of the die-casting cooling process are reduced, and the requirement of the thin enough thickness and the large enough heat dissipation area is met and the strength capable of bearing the external force is also increased due to the V-shaped arrangement of the insertion fins 302 on the base body 301; through the clamping mechanism 2 fixedly arranged on the sliding block 9, the base body 301 and the inserting fins 302 can slide on the screw rod 8, and further the purpose of manually installing the upper cover plate 11 on the inserting fins 302 is achieved outside the rolling mechanism 4, so that the rolling mechanism 4 cannot influence the installation of the upper cover plate 11, and the automatic discharging of the assembled product is achieved after the pressing process is finished; through the arrangement that the heights between the five rollers 412 are gradually decreased in the feeding direction, and the outer edge surface of the last roller 412 is attached to the upper surface of the upper cover plate 11, the convex teeth 303 arranged at the upper ends of the inserting wings 302 are gradually and gradually expanded and pressed, and then are pressed with the upper cover plate 11, so that the adverse effect of deformation caused by overlarge stress of one-time pressing due to the fact that the material is soft is avoided.

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. The pressing device for the upper cover plate of the radiator shell for the 5G base station is characterized by comprising a base frame (1), an upper cover plate (11), a clamping mechanism (2), a grinding mechanism (3) and a rolling mechanism (4), wherein two sliding rails (5) which are symmetrically arranged are fixed at the upper end of the base frame (1) in the feeding direction, a first driving motor (7) is fixed at the side end of the base frame (1) through a first mounting plate (6), a lead screw (8) is installed at the output end of the first driving motor (7), a sliding block (9) is in threaded connection with the lead screw (8), a fixed plate (10) is rotatably connected to the other end of the lead screw (8), the fixed plate (10) is fixed at the other side end of the base frame (1), the clamping mechanism (2) is fixedly installed at the upper end of the sliding block (9) and used for fixing and limiting a workpiece to be processed, the upper cover plate (11) is arranged at the upper end of a workpiece, the rolling mechanism (4) is arranged at the upper end of the base frame (1) through two symmetrically arranged pedestals (12) and is used for finally fixing the upper cover plate (11), the upper end of the rolling mechanism (4) is also provided with an induction device (13), the polishing mechanism (3) is arranged on the rolling mechanism and is used for polishing the upper surface of the workpiece provided with the upper cover plate (11), the clamping mechanism (2) comprises a movable plate (201), a clamping block (202) and a fixed bolt (203), the lower end of the movable plate (201) is fixed with a sliding body (204), the sliding body (204) is connected onto the sliding rail (5) in a sliding manner, the lower end of the movable plate (201) is also provided with a mounting hole (205), the upper end of the sliding block (9) is fixed in the mounting hole (205), and the side ends (206) of the movable plate (201) are provided with two symmetrically arranged mounting grooves, the clamping block (202) is arranged in the mounting groove (206), the fixing bolt (203) penetrates through the clamping block (202) and is in threaded connection with the moving plate (201), the polishing mechanism (3) comprises a base body (301) and inserting wings (302), the lower end of the base body (301) is connected with the clamping block (202) in a clamped mode, the upper end of the base body (301) is fixedly connected with the inserting wings, the inserting wings (302) are provided with a plurality of convex teeth (303) at the upper end, the upper end of the upper cover plate (11) is provided with a plurality of uniformly distributed ventilation holes (304), the upper end of the upper cover plate (11) is further provided with a plurality of insertion holes (305) matched with the convex teeth (303), the rolling mechanism (4) is connected with a rotating rod (306), and the rolling rod is fixedly sleeved with a grinding roller (307).

2. The pressing device of the upper cover plate of the radiator shell for the 5G base station as claimed in claim 1, wherein: the rolling mechanism (4) comprises a second driving motor (401), a driving wheel (402) and guide wheels (403), two support rods (404) symmetrically arranged are fixed at the upper ends of the two pedestals (12) respectively, a mounting seat (405) is sleeved on each support rod (404) in a sliding mode, locking nuts (406) are in threaded connection with the upper end and the lower end of each mounting seat (405) on each support rod (404), a bearing plate (407) is fixed at the side end of each mounting seat (405), the second driving motor (401) is installed on the bearing plate (407) through a second mounting plate (408), the driving wheel (402) is installed at the output end of the second driving motor (401), the guide wheels (403) are provided with a plurality of guide wheels and are installed at the side end of the bearing plate (407) in a rotating mode, the first guide wheel (403) in the feeding direction penetrates through the bearing plate (407) and is connected with a rotating rod (306), set up on bull stick (306) and polish roller (307), still rotate on the side of loading board (407) and be connected with five parallel arrangement's dwang (409), five the dwang (409) are gone up the one end that is close to action wheel (402) and all are installed from driving wheel (410), the meshing has drive belt (411) between action wheel (402), leading wheel (403) and follow driving wheel (410), and the other end of dwang (409) runs through a loading board (407) and is fixed with running roller (412), the other end rotation of running roller (412) is connected on the side end face of another loading board (407).

3. The pressing device of the upper cover plate of the radiator shell for the 5G base station as claimed in claim 1, wherein: the plurality of inserting fins (302) are vertically arranged, the width sizes of the inserting fins (302) are different, the heights and the thicknesses of the inserting fins are the same, and the inserting fins are symmetrically distributed on the base body (301) in a V shape on the whole.

4. The pressing device of the upper cover plate of the radiator shell for the 5G base station as claimed in claim 2, wherein: the height between the five rollers (412) is gradually reduced in the feeding direction, and the outer edge surface of the last roller (412) is attached to the upper surface of the upper cover plate (11).