CN111408797A

CN111408797A - Machining equipment and machining method for radiating fins

Info

Publication number: CN111408797A
Application number: CN202010336911.7A
Authority: CN
Inventors: 杨振沅
Original assignee: Guangzhou Qihu Industrial Co ltd
Current assignee: Guangzhou Qihu Industrial Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-07-14

Abstract

The invention discloses a processing device and a processing method of a radiating fin, and relates to the technical field of fin processing. The processing equipment comprises a rack, and a feeding mechanism, a driving mechanism, a swinging mechanism, a cutter seat and a cutter which are arranged on the rack. The processing method comprises the steps that the material is conveyed along the length direction of the material, fins are formed by shoveling the side face of the material through a cutter, the cutter conducts periodic reciprocating motion along a linear path A, meanwhile, the linear path A conducts periodic swinging motion around one point on the linear path A, and the cutter conducts motion along a combined motion path of the reciprocating motion and the swinging motion to shovel the side face of the material to form the fins. The processing equipment can process fins with various shapes. The processing method of the invention enables the cutter to carry out shoveling and forming of fins in various shapes by enabling the cutter to move along the synthetic motion path of the two partial motions.

Description

Machining equipment and machining method for radiating fins

Technical Field

The invention relates to the technical field of fin processing, in particular to processing equipment and a processing method of a radiating fin.

Background

The heat exchange tube is a common heat exchange element and is usually made of copper, aluminum or copper aluminum alloy. The heat exchange tube generally comprises a tube body and a plurality of fins positioned on the side surface of the tube body, and the fins can increase the heat exchange area and further improve the heat exchange efficiency, so the fins are also called as radiating fins. The traditional heat exchange tube processing mode is generally to process a tube body and fins respectively and then connect the fins on the side surface of the tube body in a welding or fitting mode. In the processing mode, the fins and the tube body are two independent monomers, so that combined thermal resistance can be generated at the connecting position of the fins and the tube body, the overall thermal resistance of the heat exchange tube can be increased, and the heat transfer efficiency in the heat exchange process is low. The processing technology has complex procedures, high processing cost and poor product consistency.

Therefore, in the prior art, the fins of the heat exchange tube are often machined by adopting a skiving process, and the specific mode is that a cutter is used for skiving the outer side tube wall of the tube body of the heat exchange tube, so that the fins are formed on the outer side tube wall of the tube body. In the processing mode, the tube body and the fins are integrated, so that no combination thermal resistance is generated, and the heat exchange efficiency of the heat exchange tube can be improved. And the shoveling and cutting processing mode has controllable feeding parameters, good product consistency and simple processing technology, is suitable for mass production and is the mainstream fin processing mode at present.

In the prior art, a motion path of a cutter of fin processing equipment is a straight line, and the cutter reciprocates along a linear guide rail to carry out repeated feeding and retracting actions to slice the side surface of a material. Because the moving path of the cutter is a straight line, when the conveying speed of the material is kept constant, the thickness of the shoveled fins is constant, and the shape of the shoveled fins is relatively single. In the practical application process, the arc-shaped fins with thick roots and thin tops can effectively increase the heat exchange area of the fins, so that the heat exchange efficiency of the heat exchange tube is improved, and in addition, the S-shaped fins with more complex structures can also effectively improve the heat exchange efficiency of the heat exchange tube. However, the fins with the two structures cannot be machined and formed in a shoveling manner through fin machining equipment in the prior art, so that the fins with the two better heat exchange performances cannot be machined and popularized in a large batch.

Disclosure of Invention

In order to solve the problems of the prior art, an object of the present invention is to provide a device for processing a heat dissipation fin, and another object of the present invention is to provide a method for processing a heat dissipation fin. The processing equipment can process fins with various shapes. The processing method of the invention enables the cutter to carry out shoveling and forming of fins in various shapes by enabling the cutter to move along the synthetic motion path of the two partial motions.

The invention relates to a processing device of a radiating fin, which comprises a rack, and a feeding mechanism, a driving mechanism, a swinging mechanism, a cutter seat and a cutter which are arranged on the rack;

the feeding mechanism comprises a first guide part, a first sliding part, a first driving part and a clamping device, the first guide part extends along the material conveying direction, the first sliding part is arranged on the first guide part in a sliding mode, the first driving part is linked with the first sliding part, the first driving part is used for driving the first sliding part to reciprocate on the first guide part, and the clamping device is arranged on the first sliding part and used for clamping materials;

the swing mechanism comprises a second guide piece, a second sliding piece, a second driving piece and a connecting seat; the second guide piece is arranged on one side of the first guide piece, and the second sliding piece is arranged on the second guide piece in a sliding mode; the second driving piece is arranged on the second guide piece and is linked with the second sliding piece, and the second driving piece is used for driving the second sliding piece to reciprocate on the second guide piece; the cutter seat is arranged on one surface, close to the first guide piece, of the second sliding piece; the cutter is arranged on the cutter seat; the connecting seat and the second guide piece are positioned on the same side and are connected with the rack, the position of the second guide piece close to the end part is connected with the connecting seat in a swinging mode, so that the second guide piece can do swinging motion around the connecting position, and the cutter moves along a synthetic motion path of the reciprocating motion of the second sliding piece and the swinging motion of the second guide piece to slice the side face of a material;

the driving mechanism is linked with the second guide piece and is used for driving the second guide piece to swing.

Preferably, the driving mechanism includes a third guide, a third sliding member and a third driving member, the third guide is connected to the frame and located on the same side as the connecting seat, the third guide extends in a direction away from the first guide, the third sliding member is slidably disposed on the third guide, and the third sliding member is rotatably connected to one end of the second guide, which is away from the connecting seat; the third driving piece and the third sliding piece are linked to drive the third sliding piece to reciprocate on the third guide piece.

Preferably, the material clamping device comprises a fixed frame, a first clamping arm, a second clamping arm and a cam, the first clamping arm and the second clamping arm are arranged on the fixed frame in parallel, and the first clamping arm and the second clamping arm are symmetrical structures; the middle parts of the first clamping arm and the second clamping arm are rotatably connected with the fixed frame; one end of the first clamping arm close to the cutter is a first clamping end, and the other end of the first clamping arm is a first adjusting end; one end of the second clamping arm close to the cutter is a second clamping end, the other end of the second clamping arm is a second adjusting end, the first clamping end and the second clamping end are respectively and oppositely provided with a first clamping opening and a second clamping opening, and the first clamping opening and the second clamping opening are matched to clamp the end part of a material together; the cam is arranged between the first adjusting end and the second adjusting end, the middle of the cam is rotatably connected with the fixing frame, and the maximum length of the cam is equal to the parallel distance between the first clamping arm and the second clamping arm.

Preferably, the first clamping opening and the second clamping opening are provided with inverted teeth on opposite surfaces, and the inverted teeth are inclined to the opposite surfaces and extend towards the first adjusting end and the second adjusting end.

Preferably, the clamping device further comprises a first return spring and a second return spring, the first return spring is arranged outside the first adjusting end, one end of the first return spring is connected with the first adjusting end, and the other end of the first return spring is connected with the fixing frame; the second reset spring is arranged on the outer side of the second adjusting end, one end of the second reset spring is connected with the second adjusting end, and the other end of the second reset spring is connected with the fixing frame.

Preferably, the first driving element, the second driving element and the third driving element are all servo motors; the first guide member, the second guide member and the third guide member are guide rails.

Preferably, the processing equipment still includes the switch board and sets up controller in the switch board, be equipped with a plurality of control button on the switch board, control button's output with the input electricity of controller is connected, the output of controller respectively with first driving piece the second driving piece with the control end electricity of third driving piece is connected.

Preferably, the processing equipment further comprises guide wheels arranged in rows, the guide wheels are arranged beside the material conveying path, and the peripheral surfaces of the guide wheels are in contact with the materials.

According to the method for processing the radiating fin, a material is conveyed along the length direction of the material, the fin is formed by shoveling the side face of the material through a cutter, the cutter does periodic reciprocating motion along a linear path A, meanwhile, the linear path A does periodic swinging motion around one point on the linear path A, and the cutter moves along a synthetic motion path of the reciprocating motion and the swinging motion to shovel the side face of the material to form the fin.

Preferably, in the processing method, the conveying speed of the material, the motion parameter of the reciprocating motion and the motion parameter of the oscillating motion are set according to the shape of the fin to be processed.

The processing equipment of the radiating fin has the advantages that:

1. the cutter reciprocates along the second guide part, and simultaneously the second guide part swings around one point on the second guide part, so that the movement path of the cutter is a synthetic movement path of the reciprocating movement and the swinging movement, and the movement parameters of the reciprocating movement and the swinging movement are changed by setting the parameters of the second driving part and the driving mechanism, so that the movement path of the cutter can be curved or in other shapes, and fins in various shapes, such as arc-shaped fins with thick parts and thin tops or S-shaped fins and the like, can be formed on the side surface of a material by shoveling through the cutter. Compared with the processing equipment with one-way linear feed in the prior art, the processing equipment has the advantages that the movement path of the cutter is obtained by synthesizing two partial movements, the movement path of the cutter is various and can be set, fins in various shapes can be processed, various processing requirements can be met, and the processing equipment is suitable for the processing process of large-batch fins.

2. The second guide piece is driven to swing by the driving mechanism, and the driving mechanism is a reciprocating mechanism. The transmission of reciprocating motion mechanism is stable, and reciprocating motion mechanism's motion parameter is accurate adjustable, and then makes second guide swing's swing amplitude, swing cycle and swing speed isoparametric can accurate setting, makes the shape and the parameter of the fin that the shovel formed can accurate setting, makes the precision of product high.

3. The material clamping device adopts a mode that the cam, the first clamping arm and the second clamping arm are matched, the material clamping device is stable in material clamping, and the opening and the clamping adjustment of the clamping arms are convenient.

4. The invention is provided with the inverted teeth which incline inwards on the opposite surfaces of the first clamping opening and the second clamping opening, and the tail ends of the inverted teeth are sharp. When the first clamping opening and the second clamping opening clamp materials to carry out shoveling, a cutter shovels the materials along the feed direction, shoveling force along the feed direction is applied to the materials, the shoveling force inclines outwards along the length direction of the materials, the shoveling force is decomposed to obtain vertical component force a outwards along the length direction of the materials and horizontal component force b perpendicular to the length direction of the materials, the horizontal component force b of the plurality of shoveling forces is mutually offset or borne by the side wall of the clamping opening, the vertical component force a of the plurality of shoveling forces is superposed to be thrust for pushing the materials to move in the direction far away from the clamping device, and the thrust needs to be offset by the clamping force of the clamping device to prevent the materials from being separated from the clamping device. According to the inverted tooth structure, due to the fact that the extending direction of the inverted tooth is sharp, when a cutter is used for shoveling materials, the inverted tooth can cut into the side wall of the materials, cutting force which is inclined inwards in the length direction of the materials is applied to the materials, the cutting force is decomposed, and a vertical component force c which is inwards in the length direction of the materials and a horizontal component force d which is perpendicular to the length direction of the materials can be obtained. The horizontal component force d exerted by the inverted teeth on the two opposite sides is equal in magnitude and opposite in direction to offset each other. The vertical component force c applied by the inverted teeth on the two sides is superposed into a pulling force for pulling a material to move towards the direction close to the material clamping device, the direction of the pulling force is opposite to the direction of a pushing force generated in the shoveling process, the outward pushing force applied to the material by a cutter in the shoveling process can be reduced or even offset, and the movement trend of the material generated by the shoveling force of the cutter is further reduced or even eliminated, so that the material is clamped more stably.

5. The material clamping device is also provided with a return spring, and after the cam is rotated, the return spring can push the first adjusting end and the second adjusting end to be close to each other, so that the first clamping end and the second clamping end are far away from each other, and a clamping opening is opened. The reset spring can realize the automatic opening of the clamping opening, and the operation is convenient.

6. The first driving part, the second driving part and the third driving part of the invention all adopt servo motors, the servo motors are stable in driving and accurate in control, and can accurately control the feeding speed and the motion parameters of the cutter, thereby improving the precision of products. The guide rails are selected for use as the first guide part, the second guide part and the third guide part, the guide rails are stable in guiding, and the rotary motion of the servo motor can be stably converted into linear motion by matching with the ball screw.

7. The invention is provided with a control cabinet, a plurality of control buttons are arranged on the control cabinet, and the control buttons, a first driving piece, a second driving piece and a third driving piece are all electrically connected with a controller in the control cabinet. Therefore, the steering, the rotating speed, the rotating number of turns and the like of each driving piece can be controlled through the control button, and then the movement path of the cutter is controlled, so that the whole shoveling and cutting process is accurate and controllable, and the precision of the product is higher.

8. The guide wheel is arranged beside the material conveying direction, and the guide wheel can stably guide the material to be conveyed along the length direction of the guide wheel, so that the shoveling and cutting process is more stable.

The processing method of the radiating fin has the advantages that: according to the invention, the cutter moves along the synthetic movement path of the reciprocating movement and the swinging movement to shovel the side surface of the material, so that the movement path of the cutter can be a curve or other shapes, and fins in various shapes can be formed on the side surface of the material by shoveling through the cutter. And the movement path of the cutter can be set through the movement parameters of the two partial movements, so that fins in various shapes can be processed, various processing requirements can be met, and the cutter is suitable for the large-batch fin processing process.

Drawings

FIG. 1 is a schematic structural diagram of a cooling fin processing apparatus according to the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 with one side baffle removed;

FIG. 4 is a schematic structural view of the feeding mechanism of the present invention;

FIG. 5 is a schematic view of the second slider and the tool mounting structure according to the present invention;

FIG. 6 is a schematic structural diagram of the active mechanism of the present invention;

fig. 7 is a schematic structural diagram of the material clamping device.

Description of reference numerals: 1-a rack, 2-a feeding mechanism, 21-a first guide member, 22-a first sliding member, 23-a first driving member, 24-a clamping device, 241-a fixed frame, 242-a first clamping arm, 243-a second clamping arm, 244-a cam, 245-a first return spring, 246-a second return spring, 247-inverted teeth, 3-a swinging mechanism, 31-a second guide member, 311-a connecting groove, 32-a second sliding member, 33-a second driving member, 34-a connecting seat, 341-a fixed plate, 342-a connecting cross rod, 4-a driving mechanism, 41-a third guide member, 42-a third sliding member, 43-a third driving member, 5-a cutter seat, 6-a cutter, 7-a guide wheel and 8-materials.

Detailed Description

As shown in fig. 1-7, the apparatus for processing heat dissipation fins according to the present invention includes a frame 1, and a feeding mechanism 2, a driving mechanism 4, a swinging mechanism 3, a tool seat 5, and a tool 6, which are disposed on the frame 1.

The frame 1 is a cuboid-like frame built by aluminum profiles.

The feeding mechanism 2 includes a first guide member 21, a first slide member 22, a first driving member 23, and a material clamping device 24. The first guide 21 extends in the direction of conveyance of the material 8, and as shown in fig. 1, the first guide 21 extends from left to right. The first sliding part 22 is slidably disposed on the first guiding part 21, the first driving part 23 is linked with the first sliding part 22, the first driving part 23 is used for driving the first sliding part 22 to reciprocate on the first guiding part 21, and the material clamping device 24 is disposed on the first sliding part 22 and used for clamping the material 8. The material clamping device 24 clamps the material 8, and under the driving action of the first driving part 23, the first sliding part 22 moves along the first guiding part 21, so as to drive the material 8 to move along the extending direction of the first guiding part 21, so as to realize the conveying of the material 8.

The swing mechanism 3 includes a second guide 31, a second slider 32, a second driving member 33, and a connecting seat 34. The second guide 31 is disposed at one side of the first guide 21, and in the present embodiment, the second guide 31 is located at an upper side of the first guide 21. The second sliding part 32 is slidably disposed on the second guiding part 31, the second driving part 33 is installed at the right end of the second guiding part 31, and the second driving part 33 is linked with the second sliding part 32 for driving the second sliding part 32 to reciprocate on the second guiding part 31. The tool rest 5 is disposed on a face of the second slide member 32 adjacent to the first guide member 21, and in this embodiment, the tool rest 5 is mounted on a lower surface of the second slide member 32 by bolts. The cutter 6 is detachably mounted on the cutter seat 5 through bolts and is used for shoveling the side surface of the material 8. The connecting seat 34 is located on the same side as the second guide 31, i.e. also on the upper side of the frame 1. The connecting seat 34 includes two fixing plates 341 and a connecting cross bar 342, the two fixing plates 341 are arranged in parallel at the left and right sides of the first guide member 21, and the lower ends of the two fixing plates 341 are connected to the frame 1. The upper parts of the two fixing plates 341 are relatively provided with mounting holes matched with the connecting cross bar 342, the connecting cross bar 342 is inserted into the mounting holes, the connecting cross bar 342 is transversely spanned above the first guide piece 21 after being mounted, the position of the second guide piece 31 close to the tail end is provided with an oblong connecting groove 311, the groove width of the connecting groove 311 is slightly larger than the rod diameter of the connecting cross bar 342, and the length is approximately equal to 3-4 times of the rod diameter of the connecting cross bar 342. The connecting cross rod 342 transversely penetrates through the connecting groove 311 to realize the swing connection between the second guiding element 31 and the connecting seat 34, so that the second guiding element 31 can perform a swing motion with a certain amplitude around the connecting position, namely the position of the connecting cross rod 342.

The driving mechanism 4 is linked with the second guiding member 31, and is used for driving the second guiding member 31 to perform a swinging motion. Through the swing connection structure, the second guide member 31 can swing relative to the connecting seat 34 around the connecting position, and meanwhile, as the cutter 6, the cutter seat 5 and the second driving member 33 are all arranged on the second guide member 31, the cutter 6, the cutter seat 5 and the second driving member 33 can also swing along with the second guide member 31, and when the cutter 6 swings, the second driving member 33 drives the second sliding member 32 to reciprocate along the second guide member 31, so that the final motion path of the cutter 6 is a combined motion path of the reciprocating motion and the swing motion, and the cutter 6 just performs the cutting feeding and retracting actions along the combined motion path to slice the side surface of the material 8. As shown in fig. 1, when the second guide 31 swings downward and the second slide member 32 slides to the right end of the second guide 31, the cutter 6 approaches the material 8 and scrapes into the side of the material 8, which is the feed action of the cutter 6. When the second guide 31 swings upward and the second slider 32 slides toward the left end of the second guide 31, the cutter 6 is disengaged from the side of the material 8 and away from the material 8, which is the retracting action of the cutter 6. The cutter 6 repeats the above-mentioned feeding and retracting operations periodically to complete the scraping process of the material 8.

The swing motion is arc-like motion periodically rotating around the rotation connection position, the reciprocating motion is linear motion, the motion path of the combined motion of the swing motion and the arc-like motion can be a curve or other shapes, and the motion path of the combined motion can be adjusted by changing the motion parameters of the reciprocating motion and the swing motion, for example, the motion path of the combined motion can be changed by the speed and the stroke of the reciprocating motion, the swing speed and the swing amplitude of the swing motion, and then the feed and retraction strokes of the cutter 6 are changed, and finally the shape of the fin formed by the cutting of the cutter 6 is changed.

It should be noted that the position of the second guide 31 is not limited to the upper side of the first guide 21, and the second guide 31 may be arranged in other directions of the first guide 21 according to actual machining requirements. The number of the driving mechanism 4, the swinging mechanism 3, the cutter 6 and the cutter seat 5 is not limited to one, and according to the requirement of the number of the machined surfaces, the driving mechanism 4, the swinging mechanism 3 and other parts are also arranged on other side surfaces of the material 8 to carry out shoveling on the material 8 based on the structure, so that simultaneous multi-surface shoveling machining is realized. This embodiment shows only a simple basic implementation of the present invention.

Taking a single-sided skiving to process a fin with a thick root and a thin top as an example, the working process of the processing equipment in the embodiment is specifically as follows: the first slider 22 is moved to the home position. The material clamping device 24 is loosened, and the end of the material 8 (the heat exchange tube with the unfinished fins) is clamped at the material clamping device 24. The active mechanism 4 and the second slide 32 are both reset to the starting position and the tool 6 is mounted on the tool holder 5 such that the tool 6 is located on the upper side of the material 8. And starting the first driving part 23, the second driving part 33 and the driving mechanism 4, wherein under the driving action of the first driving part 23, the first sliding part 22 continuously moves towards the tail end of the first guide part 21, and then the material 8 is driven to move towards the tail end of the first guide part 21. When the driving mechanism 4 is turned on, the driving mechanism 4 starts to drive the second guiding element 31 to make a periodic swinging motion around the rotation connecting position, and at the same time, under the driving action of the second driving element 33, the second sliding element 32 drives the cutter 6 to make a periodic reciprocating motion along the second guiding element 31. The cutter 6 performs a feed and a retracting action along a combined motion path of the oscillating motion and the reciprocating motion to scoop the side of the material 8. The swinging motion is similar to circular arc motion, the reciprocating motion is linear motion, and the combined motion of the swinging motion and the reciprocating motion is curvilinear motion intersected with the material 8. Under the condition that the conveying speed of the material 8 is kept constant, the cutter 6 performs the feeding and retracting actions along the curved movement path, and fins with thick roots and thin tops can be formed on the side surface of the material 8 by scraping. In the process of continuously conveying the material 8, the cutter 6 periodically performs the feeding and retracting actions to periodically scrape the side surface of the material 8, and then a row of fins at equal intervals are formed on the side surface of the material 8. And when the end part of the material 8 moves to a position close to the cutter 6, namely the material clamping device 24 is close to the cutter 6, stopping the first driving part 23, the second driving part 33 and the driving mechanism 4, and finishing the fin scraping processing of the heat exchange tube.

According to the invention, the cutter 6 reciprocates along the second guide part 31, and meanwhile, the second guide part 31 swings around one point on the second guide part, so that the motion path of the cutter 6 is a synthetic motion path of the reciprocating motion and the swinging motion, and the motion parameters of the reciprocating motion and the swinging motion are changed by setting the parameters of the second driving part 33 and the driving mechanism 4, so that the motion path of the cutter 6 can be curved or in other shapes, and fins in various shapes, such as arc fins with thick parts and thin tops or S-shaped fins and the like, can be formed on the side surface of the material 8 by shoveling through the cutter 6. Compared with the processing equipment with one-way linear feed in the prior art, the processing equipment has the advantages that the motion path of the cutter 6 is obtained by synthesizing two partial motions, the motion path of the cutter 6 is various and can be set, fins in various shapes can be processed, various processing requirements can be met, and the processing equipment is suitable for the processing process of large-batch fins.

The driving mechanism 4 of the present embodiment includes a third guide 41, a third slider 42, and a third driving member 43. The third guide 41 is connected to the housing 1 and located on the same side as the connecting base 34. In this embodiment, the third guide 41 is located on the upper side of the first guide 21, the lower portion of the third guide 41 is connected to the frame 1, and the third guide 41 is perpendicular to the first guide 21 and extends in a direction away from the first guide 21. The third sliding part 42 is slidably disposed on the third guiding part 41, and the middle part of the third sliding part 42 is rotatably connected with one end of the second guiding part 31 far away from the connecting seat 34, and the second guiding part 31 is rotatably connected with the third sliding part 42 in a hole-shaft matching manner. The third driving member 43 is linked with the third sliding member 42 for driving the third sliding member 42 to reciprocate on the third guiding member 41. In the driving mechanism 4, when the third driving element 43 drives the third sliding element 42 to reciprocate in the vertical direction, the left end of the second guiding element 31 is driven to reciprocate in the vertical direction, so that the second guiding element 31 swings around the connecting cross bar 342. By arranging the third driving element 43 to reciprocate up and down periodically, a periodic oscillation of the second guide member 31 can be achieved. The driving mechanism 4 drives the second guiding element 31 to swing, and the driving mechanism 4 is a reciprocating mechanism. The transmission of reciprocating motion mechanism is stable, and reciprocating motion mechanism's motion parameter is accurate adjustable, and then makes second guide 31 swing motion's swing amplitude, swing cycle and swing speed isoparametric can accurate setting, makes the shape and the parameter of the fin that the shovel formed can accurate setting, makes the precision of product high.

In this embodiment, the material clamping device 24 includes a fixing frame 241, a first clamping arm 242, a second clamping arm 243, and a cam 244. The fixing frame 241 is a rectangular steel frame, the middle part of the fixing frame is hollow, and a socket for mounting a clamping arm is arranged on the front end face of the fixing frame. The first clamping arm 242 and the second clamping arm 243 are inserted into the socket in parallel, and the first clamping arm 242 and the second clamping arm 243 are symmetrical structures and are arranged on the upper side and the lower side of the central axis of the fixing frame 241. The middle parts of the first clamping arm 242 and the second clamping arm 243 are both provided with a connecting hole, the side surface of the fixing frame 241 is provided with a threaded hole matched with the connecting hole at a position corresponding to the connecting hole, and a matched bolt is additionally arranged and penetrates through the through hole and the connecting hole so as to realize the rotary connection of the first clamping arm 242, the second clamping arm 243 and the fixing frame 241, and the relative movement or relative fixation between the first clamping arm 242, the second clamping arm 243 and the fixing frame 241 can be adjusted by loosening or screwing the bolt. The first clamping end and the second clamping end are respectively provided with a first clamping opening and a second clamping opening which are opposite, specifically, the tail ends of the opposite surfaces of the first clamping arm 242 and the second clamping arm 243 are sunken inwards, so that the width of the tail ends of the first clamping arm 242 and the second clamping arm 243 is smaller, after the first clamping arm 242 and the second clamping arm 243 are closed, a clamping opening similar to a concave shape is formed at the tail ends, and the clamping opening is used for clamping the end part of the material 8. The cam 244 is disposed between the first adjustment end and the second adjustment end, and the middle portion of the cam 244 is rotatably connected to the fixing frame 241 by a bolt. Specifically, the maximum length of the cam 244 is equal to the parallel distance between the first and second clamp

arms

242 and 243. Therefore, when the cam 244 rotates to a position where the long axis direction is perpendicular to the first clamping arm 242, two ends of the cam 244 abut against the first clamping arm 242 and the second clamping arm 243, so that the first clamping arm 242 and the second clamping arm 243 are parallel and close, the first clamping opening and the second clamping opening are close to each other, the first clamping opening and the second clamping opening are matched to clamp the end of the material 8 together, after the first clamping opening and the second clamping opening clamp the material 8, the bolt in the position of the connecting hole and the bolt in the middle of the cam 244 are respectively locked, so that the first clamping arm 242, the second clamping arm 243 and the cam 244 are kept relatively fixed, and thus the material 8 can be stably clamped through the material clamping device 24. When the first clamping arm 242 and the second clamping arm 243 need to be opened to clamp the material 8, the bolt in the middle of the cam 244 and the bolt at the position of the connecting hole are sequentially unscrewed, the cam 244 is rotated, the short axis direction of the cam 244 is perpendicular to the first clamping arm 242, at the moment, the first adjusting end and the second adjusting end can rotate towards the cam 244, when the first adjusting end and the second adjusting end rotate towards the cam 244 and are close to each other, the first clamping end and the second clamping end at the other end can be far away from each other, and then the material clamping device 24 is opened, at the moment, the end part of the material 8 can be placed into the clamping opening to clamp the material 8. The material clamping device 24 adopts the mode that the cam 244, the first clamping arm 242 and the second clamping arm 243 are matched, the material 8 of the material clamping device 24 is clamped stably, and the clamping arms are opened and clamped conveniently.

The opposite surfaces of the first clamping opening and the second clamping opening are provided with inverted teeth 247, the inverted teeth 247 are inclined to the opposite surfaces and extend towards the directions of the first adjusting end and the second adjusting end, and the tips of the inverted teeth 247 are sharp. When the first clamping opening and the second clamping opening clamp the material 8 for shoveling, the cutter 6 shovels the material 8 along the feed direction, a shoveling force along the feed direction is applied to the material 8, the shoveling force inclines outwards along the length direction of the material 8, the shoveling force is decomposed to obtain a vertical component a outwards along the length direction of the material 8 and a horizontal component b perpendicular to the length direction of the material 8, the horizontal components b of the plurality of shoveling forces are mutually offset or borne by the side wall of the clamping opening, the vertical components a of the plurality of shoveling forces are superposed to form a thrust for pushing the material 8 to move in a direction away from the clamping device 24, and the thrust needs to be offset by the clamping force of the clamping device 24 to prevent the material 8 from separating from the clamping device 24. In the structure of the inverted tooth 247 of the present invention, because the inverted tooth 247 extends in a direction and is relatively sharp, when the cutter 6 scrapes the material 8, the inverted tooth 247 cuts into the sidewall of the material 8, and applies a cutting force which is inclined inward in the length direction of the material 8 to the material 8, and the cutting force is decomposed, so that a vertical component c inward in the length direction of the material 8 and a horizontal component d perpendicular to the length direction of the material 8 can be obtained. The horizontal component force d exerted by the inverted teeth 247 on the two opposite sides is equal in magnitude and opposite in direction to counteract each other. The vertical component force c applied by the inverted teeth 247 at the two sides is superposed to be pulling force for pulling the material 8 to move towards the direction close to the material clamping device 24, the direction of the pulling force is opposite to the direction of the pushing force generated in the shoveling process, the outward pushing force applied by the cutter 6 to the material 8 in the shoveling process can be reduced or even counteracted, and further the movement trend of the material 8 generated by the shoveling force of the cutter 6 is reduced or even eliminated, so that the material 8 is clamped more stably.

The clamping device 24 further comprises a first return spring 245 and a second return spring 246, the first return spring 245 is arranged outside the first adjusting end, one end of the first return spring 245 is connected with the first adjusting end, and the other end of the first return spring 245 is connected with the fixing frame 241; the second return spring 246 is disposed outside the second adjustment end, and one end of the second return spring 246 is connected to the second adjustment end, and the other end is connected to the fixing frame 241. The structure of the return spring is such that after the cam 244 is rotated, the return spring can push the first adjusting end and the second adjusting end to approach each other, so that the first clamping end and the second clamping end are far away from each other, and the clamping opening is opened. The reset spring can realize the automatic opening of the clamping opening, and the operation is convenient.

In this embodiment, the first driving member 23, the second driving member 33 and the third driving member 43 are all servo motors; the first guide 21, the second guide 31 and the third guide 41 are guide rails. Taking the transmission of the feeding mechanism 2 as an example, the first guiding element 21 is arranged in the middle of the frame 1 and extends in the same direction as the frame 1, and the first driving element 23 is linked with the first sliding element 22 on the first guiding element 21 through a ball screw. Specifically, the lead screw of the ball screw is disposed beside the first guide 21 and extends in the same direction as the first guide 21. The first driving member 23 is disposed at the beginning of the first guiding member 21, and the output shaft of the first driving member 23 is coaxially connected with the screw rod. The screw nut is matched with the screw and connected with the first slider 22. The output shaft of the first driving member 23 rotates to drive the screw rod to rotate, under the guiding action of the first guiding member 21, the screw rod nut drives the first sliding member 22 to perform linear motion along the extending direction of the first guiding member 21, and the moving direction of the first sliding member 22 can be controlled by controlling the forward and reverse rotation of the first driving member 23. The transmission manner between the second driving element 33 and the second sliding element 32, and between the third driving element 43 and the third sliding element 42 is similar to the transmission manner of the feeding mechanism 2, and both are the structures in which the servo motor drives the sliding elements to make linear reciprocating motion through the transmission of the ball screw, and the details are not repeated here. The servo motor is stable in driving and accurate in control, and can accurately control the feeding speed and the motion parameters of the cutter 6, so that the precision of products is improved. And the guide rail is stable in guiding, and the rotary motion of the servo motor can be stably converted into linear motion by matching with the ball screw.

The embodiment also comprises a control cabinet and a controller arranged in the control cabinet. The control cabinet is provided with a plurality of control buttons, and the control buttons can be marked as starting, stopping, forward rotating and reverse rotating of the first driving piece and starting, stopping, forward rotating and reverse rotating of the second driving piece according to functions. The output ends of the control buttons are electrically connected with the input end of the controller, and the output ends of the controller are respectively electrically connected with the control ends of the first driving piece 23, the second driving piece 33 and the third driving piece 43. Therefore, the parameters of starting, stopping, forward and reverse rotation, rotating speed and the like of each driving piece can be controlled through the control button, so that the motion parameters of the cutter 6 are further enabled to be accurate and controllable in the whole shoveling and cutting process, and the precision of the product is higher.

The material conveying device further comprises guide wheels 7 arranged in rows, the guide wheels 7 are arranged beside the conveying direction of the materials 8, and the outer peripheral surfaces of the guide wheels 7 are in contact with the materials 8. In this embodiment, the guide wheels 7 are arranged in a row below the end stroke of the material 8, when the material 8 is conveyed along the length direction of the material, the guide wheels 7 support the material 8, the outer peripheral surface of the guide wheels 7 is in contact with the material 8, and the guide wheels 7 rotate along with the material 8 in the conveying process. The guide wheel 7 can stably guide and support the material 8 to be conveyed along the length direction of the material, so that the shoveling and cutting process is more stable.

The embodiment also provides a method for processing the radiating fins, and specifically, the material 8 is conveyed along the length direction of the material, and the fins are formed by shoveling the side surfaces of the material 8 by the cutter 6. Wherein the tool 6 is reciprocated periodically along the linear path a, i.e. in the machining apparatus, the tool 6 is reciprocated linearly along the second guide 31. At the same time, the linear path a will make a periodic oscillating movement around a point on itself, i.e. in the processing apparatus, the second guide 31 makes an oscillating movement around the connection position. The cutter 6 moves along a combined motion path of the reciprocating motion and the swinging motion to scoop the side of the material 8 to form fins.

According to the processing method, the cutter 6 moves along a synthetic motion path of reciprocating motion and swinging motion to scrape the side surface of the material 8, so that the motion path of the cutter 6 can be a curve or other shapes, and fins in various shapes can be scraped on the side surface of the material 8 through the cutter 6. And the motion path of the cutter 6 can be set through the motion parameters of the two partial motions, so that fins in various shapes can be processed, various processing requirements can be met, and the method is suitable for the large-batch fin processing process.

In this embodiment, the conveying speed of the material 8, the motion parameters of the reciprocating motion and the motion parameters of the oscillating motion are set according to the shape of the fin to be processed. The conveying speed of the material 8, the motion parameters of the reciprocating motion and the motion of the oscillating motion can all influence the path of the cutter 6 and further influence the shape of the fin formed by shoveling. Theoretically, the more factors that can change the shape of the fin, the more flexible the adjustment, and the more various the shapes of the fins can be formed. In this embodiment, the conveying speed of the material 8, the motion parameters (such as speed, stroke, period) of the reciprocating motion, and the motion parameters (such as speed, swing amplitude, period) of the swinging motion may be adjusted, so that the motion path of the cutter 6 meets the processing requirement, and the required fin shape is shaved. Specifically, in the processing apparatus provided in this embodiment, the rotation speed of the first driving member 23 can adjust the conveying speed of the material 8, the rotation speed of the second driving member 33 can adjust the reciprocating speed, the number of forward and reverse rotation turns of the second driving member 33 can adjust the stroke of the reciprocating motion, and the time interval of the forward and reverse rotation turns of the second driving member 33 can adjust the period of the reciprocating motion. The rotation speed of the third driving member 43 can adjust the swing speed of the swing motion, the number of forward and reverse rotation turns of the third driving member 43 can adjust the swing amplitude of the swing motion, and the time interval of the forward and reverse rotation turns of the third driving member 43 can adjust the period of the swing motion. Therefore, the moving path of the cutter 6 can be influenced by inputting a plurality of parameters, so that the moving path of the cutter 6 can be flexibly adjusted, and fins with various shapes can be machined.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures, and it is to be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

It will be apparent to those skilled in the art that various other changes and modifications may be made in the above-described embodiments and concepts and all such changes and modifications are intended to be within the scope of the appended claims.

Claims

1. The machining equipment for the radiating fins is characterized by comprising a rack, and a feeding mechanism, a driving mechanism, a swinging mechanism, a cutter seat and a cutter which are arranged on the rack;

2. The fin processing apparatus according to claim 1, wherein the driving mechanism includes a third guiding element, a third sliding element and a third driving element, the third guiding element is connected to the frame and located on the same side as the connecting seat, the third guiding element extends in a direction away from the first guiding element, the third sliding element is slidably disposed on the third guiding element, and the third sliding element is rotatably connected to an end of the second guiding element away from the connecting seat; the third driving piece and the third sliding piece are linked to drive the third sliding piece to reciprocate on the third guide piece.

3. The fin processing apparatus according to claim 1, wherein the material clamping device includes a fixing frame, a first clamping arm, a second clamping arm and a cam, the first clamping arm and the second clamping arm are disposed in parallel on the fixing frame, and the first clamping arm and the second clamping arm are symmetrical to each other; the middle parts of the first clamping arm and the second clamping arm are rotatably connected with the fixed frame; one end of the first clamping arm close to the cutter is a first clamping end, and the other end of the first clamping arm is a first adjusting end; one end of the second clamping arm close to the cutter is a second clamping end, the other end of the second clamping arm is a second adjusting end, the first clamping end and the second clamping end are respectively and oppositely provided with a first clamping opening and a second clamping opening, and the first clamping opening and the second clamping opening are matched to clamp the end part of a material together; the cam is arranged between the first adjusting end and the second adjusting end, the middle of the cam is rotatably connected with the fixing frame, and the maximum length of the cam is equal to the parallel distance between the first clamping arm and the second clamping arm.

4. The fin processing apparatus as claimed in claim 3, wherein the first and second jaws have inverted teeth on their opposing surfaces, the inverted teeth being inclined to the opposing surfaces and extending in the direction of the first and second adjustment ends.

5. The fin processing equipment according to claim 3 or 4, wherein the material clamping device further comprises a first return spring and a second return spring, the first return spring is arranged outside the first adjusting end, one end of the first return spring is connected with the first adjusting end, and the other end of the first return spring is connected with the fixing frame; the second reset spring is arranged on the outer side of the second adjusting end, one end of the second reset spring is connected with the second adjusting end, and the other end of the second reset spring is connected with the fixing frame.

6. The fin machining apparatus according to claim 2, wherein the first driving member, the second driving member, and the third driving member are all servo motors; the first guide member, the second guide member and the third guide member are guide rails.

7. The fin processing apparatus as claimed in claim 6, further comprising a control cabinet and a controller disposed in the control cabinet, wherein the control cabinet is provided with a plurality of control buttons, output ends of the control buttons are electrically connected to input ends of the controller, and output ends of the controller are electrically connected to control ends of the first driving member, the second driving member and the third driving member, respectively.

8. The fin processing apparatus as claimed in claim 1, further comprising guide wheels arranged in a row, wherein the guide wheels are arranged beside the material conveying path, and the outer peripheral surfaces of the guide wheels are in contact with the material.

9. A method for processing a radiating fin, which enables a material to be conveyed along the length direction of the radiating fin and forms a fin by shoveling the side surface of the material through a cutter, is characterized in that the cutter does periodic reciprocating motion along a linear path A, the linear path A does periodic swinging motion around one point on the linear path A, and the cutter moves along a combined motion path of the reciprocating motion and the swinging motion to shovel the side surface of the material to form the fin.

10. The process according to claim 9, wherein the feed rate of the material, the motion parameters of the reciprocating motion and the motion parameters of the oscillating motion are set according to the shape of the fin to be processed.