CN114749697A

CN114749697A - Clamping tool for drilling through-flow fan and drilling device

Info

Publication number: CN114749697A
Application number: CN202210531593.9A
Authority: CN
Inventors: 方传俊; 李祥
Original assignee: Anhui Guoyue Electrical Technology Co ltd
Current assignee: Anhui Guoyue Electrical Technology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-07-15

Abstract

The invention relates to the technical field of cross-flow fan processing, and discloses a clamping tool and a drilling device for cross-flow fan drilling processing, which comprise two clamping components for stably clamping a cross-flow fan to be processed, wherein each of the two clamping components comprises a moving part and a straight rack with teeth on both sides, the moving part is in an isosceles trapezoid shape without an upper bottom edge, the middle part of the moving part is hollow, mounting plates are fixedly arranged on opposite side walls of two inclined edges of the moving part, the mounting plates are in a side U shape, and a driving gear meshed with the straight racks is rotatably arranged between two vertical plates of the mounting plates. The invention solves the problems that most of the prior art is limited by the overall style of the cross-flow fan, the condition of drilling deviation is easy to occur during drilling, no specific clamping tool in the market can stably clamp the cross-flow fan, the processing efficiency is reduced, and the production requirement of a modern factory is difficult to meet.

Description

Clamping tool for drilling through-flow fan and drilling device

Technical Field

The invention relates to the technical field of cross-flow fan machining, in particular to a clamping tool and a drilling device for cross-flow fan drilling machining.

Background

The cross flow fan is a special fan, generally in a tower column shape, also in a large cylindrical shape, blown air is concentrated and columnar, so that a plurality of cross flow fans can be combined for use to form relay type air flow transmission, air flow is vertical to a motor shaft when air enters the fan, the cross flow fan generally works by using a relatively long cylindrical fan impeller, the fan blades are relatively long, relatively low rotating speed can be used on the basis of ensuring the whole air circulation quantity, and noise is relatively low, so that the cross flow fan is widely promoted in various markets.

Aiming at the processing operation of the cross-flow fan, the cross-flow fan is limited by the overall style of the cross-flow fan when drilling, the condition of drilling deviation is easy to occur during drilling, and no specific clamping tool on the market can stably clamp the cross-flow fan, so that the processing efficiency is reduced, and the production requirement of a modern factory is difficult to meet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a clamping tool and a drilling device for drilling a through-flow fan, and solves the problems that most of the prior art is limited by the overall style of the through-flow fan, the condition of drilling deviation is easy to occur during drilling, and no specific clamping tool on the market can stably clamp the through-flow fan, so that the machining efficiency is reduced, and the production requirement of a modern factory is difficult to meet.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a centre gripping frock for through-flow fan drilling processing, includes and is used for treating the through-flow fan of processing and carries out two centre gripping subassemblies that stabilize the centre gripping, two the centre gripping subassembly all includes moving part and two sides all has the dentate spur rack, and this moving part presents the isosceles trapezoid shape and the middle part position fretwork on the base of nothing, and the relative lateral wall on two sloping sides of moving part has all set firmly the mounting panel, and this mounting panel presents side "U" shape and rotates between its two vertical plates and is provided with one and carries out the drive gear that meshes with the spur rack to set firmly the butt joint board of an slope on drive gear's alternative tooth pitch, set firmly the grip block on the plate body of butt joint board.

Preferably, a return spring is connected between one end of the spur rack and the bottom edge of the movable piece.

Preferably, the clamping plate is an arc-shaped plate, and a rubber pad used for increasing the friction force between the cross flow fans is attached to the clamping panel of the clamping plate.

A drilling device for machining of a cross-flow fan comprises any one of the clamping tools for machining of the cross-flow fan, and is characterized in that: the drilling device is characterized by further comprising a base, a bearing plate in an inverted L shape is fixed to a back plate of the base, a hydraulic cylinder is arranged on a transverse plate of the bearing plate, a moving assembly used for drilling the cross flow fan is arranged at a piston rod end of the hydraulic cylinder, and connecting portions which are symmetrical to each other are arranged on two side walls and the back of the base and used for driving the clamping assembly to operate.

Preferably, the moving assembly comprises a moving box fixedly mounted at the end of the piston rod of the hydraulic cylinder, the moving box is a rectangular box body which is hollow inside and has no bottom cover, a ball screw is rotatably mounted inside the moving box, one end of the ball screw is coaxially connected with a driving part on the side wall of the moving box, a sliding seat is arranged on a rod body of the ball screw, and a drilling hole part for drilling is formed in the bottom of the sliding seat.

Preferably, the drilling part comprises a bearing seat fixedly arranged on the sliding seat, a driving motor is fixedly arranged on a seat body of the bearing seat, the driving motor is a rechargeable motor, and a drill bit is arranged on a driving shaft of the driving motor.

Preferably, the connecting portion includes connecting seats respectively disposed on the base, the connecting seats are in the shape of Contraband, a pulley is rotated between two vertical plates of the connecting seats, and an elastic rope is wound between two adjacent pulleys and the bottom plate of the movable member.

Preferably, a rotating shaft is rotatably arranged between the side walls of the connecting seats at the back of the base, a driven gear is sleeved on the rotating shaft to drive the pulleys to rotate, two mutually symmetrical moving strips are arranged at the back of the moving box, the moving strips are in an inverted L shape, and a vertical plate of each moving strip is provided with a notch tooth which is meshed with the driven gear.

Preferably, a processing groove is formed in the center of the top of the base and used for placing a cross-flow fan.

Preferably, the top of the base is further provided with two groups of sliding grooves which are symmetrical to each other, each group is two, and the bottom of the butt joint plate corresponding to the two groups is provided with a sliding block which is placed into the sliding grooves.

(III) advantageous effects

Compared with the prior art, the invention provides a clamping tool and a drilling device for drilling a through-flow fan, which have the following beneficial effects:

1. the invention uses the left and right movement of the moving part to push the driving gear to move on the straight rack through the arranged clamping component, so that the clamping plates on the tooth pitch of the driving gear move in a certain overturning way, and the clamping plates on the two sides clamp the cross-flow fan to ensure the stability of the cross-flow fan during processing, thereby being convenient to operate and further improving the processing efficiency of the subsequent cross-flow fan.

2. According to the invention, through the connecting part and the hydraulic cylinder, when the hydraulic cylinder pushes the movable box to lift to realize punching operation, the movable strip is pushed to descend at the same time, so that the notch teeth on the movable strip can be meshed with the driven gear, and the movable part is further pulled through the action of the elastic rope, so that the operation of a clamping assembly of the movable part can be ensured during processing operation, the processing stability of the movable part is ensured, the integral structure is compact, and the operation is convenient.

3. The sliding seat is driven by the driving piece through the arranged moving assembly to drive the ball screw to rotate, so that the sliding seat is driven to move left and right to be matched with the drilling part to perform multi-directional drilling, and the application range of the machining is enlarged.

Drawings

FIG. 1 is a first general block diagram of the present invention;

FIG. 2 is a second overall structure of the present invention;

FIG. 3 is a block diagram of the clamping assembly of the present invention;

FIG. 4 is a block diagram of the moving assembly of the present invention;

FIG. 5 is a view showing the structure of the engagement between the traveling bar and the driven gear according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a base; 2. a carrier plate; 3. a hydraulic cylinder; 4. a moving assembly; 401. a mobile box; 402. a ball screw; 403. a slide base; 404. a drive member; 405. drilling a hole part; 4051. a bearing seat; 4052. a drive motor; 4053. a drill bit; 5. a clamping assembly; 501. a movable member; 502. straight rack; 503. mounting a plate; 504. a drive gear; 505. a clamping plate; 506. a butt plate; 507. a return spring; 6. processing a tank; 7. a connecting portion; 701. a connecting seat; 702. a pulley; 8. a moving bar; 9. an elastic cord; 10. tooth engraving; 11. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1-3, the present invention provides a technical solution: a clamping tool for drilling a through-flow fan comprises two clamping components 5 for stably clamping the through-flow fan to be processed, wherein each of the two clamping components 5 comprises a moving part 501 and a straight rack 502, the straight rack 502 is fixed at a designated position, both sides of the straight rack 502 are toothed, the moving part 501 is in an isosceles trapezoid shape without an upper bottom edge, the middle part of the moving part 501 is hollowed, the straight rack 502 is positioned at the middle hollowed position of the moving part 501, opposite side walls of two inclined edges of the moving part 501 are fixedly provided with mounting plates 503 in a side U shape, a rotating rod is rotatably arranged between two vertical plate blocks, a driving gear 504 meshed with the straight rack 502 is arranged on a rod body of the rotating rod, an inclined butt-joint plate 506 is fixedly arranged on one tooth pitch of the driving gear 504, and a clamping plate 505 is fixedly arranged on a plate body of the butt-joint plate 506, by utilizing the left and right movement of the movable piece 501, the driving gear 504 can be promoted to move on the spur rack 502, and the butt plate 506 can be overturned at a certain angle in the driving process of the driving gear 504, so that the two clamping plates 505 are promoted to be overturned and clamped on the cross flow fan, and the stability of the cross flow fan during processing is ensured.

It should be noted that, a return spring 507 is connected between one end of the spur rack 502 and the bottom edge of the moving part 501, when the moving part 501 moves, the return spring 507 is synchronously pulled to urge the return spring 507 to be tightened, so as to ensure that when the return spring 507 rebounds, the driving gear 504 can quickly rotate on the spur rack 502, and the clamping operation can be quickly cancelled after the processing of the moving part, meanwhile, the clamping plate 505 is an arc-shaped plate, and a rubber pad is attached to the clamping panel of the clamping plate 505, and when the rubber pad is in contact with the cross flow fan, the friction force between the cross flow fan and the rubber pad can be increased.

Example two

Referring to fig. 1 and 2, another technical solution is provided in this embodiment, a drilling device for cross-flow fan machining preferably includes a base 1, the base 1 is placed at a designated position through four support legs of the bottom that are distributed in a rectangular shape, a bearing plate 2 in an inverted "L" shape is fixed at a back plate of the base 1, a hydraulic cylinder 3 is disposed on a transverse plate of the bearing plate 2, a piston rod end of the hydraulic cylinder 3 penetrates through the transverse plate of the bearing plate 2 and is provided with a moving assembly 4 for cross-flow fan drilling, and two side walls and a back of the base 1 are provided with connecting portions 7 that are symmetrical to each other for driving a clamping assembly 5 to perform operations.

Specifically, a processing groove 6 is formed in the center of the top of the base 1 for placing a cross-flow fan, so that the clamping assembly 5 can be stably clamped, two groups of symmetrical sliding grooves are formed in the top of the base 1, the number of each group is two, a sliding block arranged in each sliding groove is arranged at the bottom of the corresponding butt plate 506, when the moving part 501 moves, the moving part can be assisted to move, and the stability of the moving part during moving is guaranteed.

It should be noted that, referring to fig. 4, the moving assembly 4 includes a moving box 401 fixedly mounted on the piston rod end of the hydraulic cylinder 3, wherein the moving box 401 is a rectangular box body with a hollow interior and no bottom cover to transversely place the piston rod end of the hydraulic cylinder 3, and a ball screw 402 is rotatably installed inside the moving box 401, and a driving member 404 is provided on a box side wall of the moving box 401, the output end of the driving member 404 is coaxially connected to one side rod end of the ball screw 402, the driving member 404 is a speed reducing motor, a slide carriage 403 is screwed on the rod body of the ball screw 402, a drilling portion 405 for drilling is provided at the bottom of the slide carriage 403, and is driven by the driving member 404, the ball screw 402 is thereby urged to rotate, the slide base 403 is urged to move left and right, and the drilling portion 405 is ensured to be able to perform a drilling operation in a full range.

Specifically, the drilling portion 405 includes the bearing seat 4051 fixed on the sliding seat 403, the bearing seat 4051 is in an L shape, a driving motor 4052 is fixed on the transverse plate of the bearing seat 4051, the driving motor 4052 is a rechargeable motor, the sliding seat 403 is prevented from moving, and then the phenomenon of winding is prevented, and a drill 4053 is arranged on the transverse plate of the bearing seat 4051 and penetrates through the driving shaft of the driving motor 4052, and the drill 4053 is driven by the driving motor 4052 to rotate rapidly, so as to achieve the purpose of drilling.

It should be noted that, referring to fig. 6, the connection portion 7 includes connection seats 701 respectively disposed on the base 1, the connection seats 701 on the side walls of the base 1 are fixedly installed in a shape of "Contraband", the connection seats 701 on the back of the base 1 are installed in a shape of "u", a pulley 702 is rotated between two vertical plates of the connection seats 701, an elastic cord 9 is wound between two adjacent pulleys 702 and the bottom plate of the movable element 501, when the pulley 702 rotates, the movable element 501 can move up and down by the operation of the elastic cord 9, so as to facilitate the operation of the clamping element 5.

It should be noted that, referring to fig. 5, a rotating shaft is rotatably disposed between the side walls of the connecting seat 701 at the back of the base 1, wherein the rotating shaft is coaxially connected to the pulley 702, and a driven gear 11 is sleeved on the rotating shaft to drive the pulley 702 to rotate, and correspondingly, two symmetrical moving strips 8 are disposed at the back of the moving box 401, the moving strips 8 are in an inverted "L" shape, and a vertical plate of the moving strips 8 is provided with a notch 10 to engage with the driven gear 11, when the hydraulic cylinder 3 operates, the moving box 401 is pushed to move up and down to drive the moving strips 8 to engage with the driven gear 11 for transmission, so as to drive the pulley 702 to wind the elastic rope 9.

The working principle is as follows: when the cross flow fan works, the hydraulic cylinder 3 pushes the moving box 401 to ascend and descend when being driven, so that the notch 10 on the moving strip 8 is meshed with the driven gear 11 for transmission, the pulley 702 is driven, the elastic rope 9 is wound, the moving piece 501 can be pulled to move left and right when the elastic rope 9 is wound, meanwhile, the driving gear 504 is driven to move on the spur rack 502, the butt plate 506 can be overturned at a certain angle when the driving gear 504 is driven, so that the two clamping plates 505 are overturned and clamped on the cross flow fan, the clamping stability is ensured, meanwhile, the driving piece 404 is driven according to the processing condition, the ball screw 402 is driven to rotate, the sliding seat 403 is pushed to move left and right, and meanwhile, through the driving of the driving motor 4052, the drill 4053 is driven to rotate rapidly to achieve the purpose of drilling.

The electrical components in the document are electrically connected with an external master controller and 220V mains supply, and the master controller can be a computer or other conventional known devices for playing a role in control.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centre gripping frock for cross-flow fan drilling processing, includes two centre gripping subassemblies (5) that are used for treating the cross-flow fan of processing to stabilize the centre gripping, its characterized in that: two centre gripping subassembly (5) all include moving part (501) and two sides all have dentate spur rack (502), this moving part (501) presents the isosceles trapezoid shape and middle part position fretwork that do not have the upper base, the relative lateral wall on two inclined edges of moving part (501) all sets firmly mounting panel (503), this mounting panel (503) present side "U" shape and rotate between its two vertical plate block and be provided with one and carry out the drive gear (504) that mesh with spur rack (502), and set firmly an inclined butt plate (506) on the tooth pitch of drive gear (504), set firmly grip block (505) on the plate body of butt plate (506).

2. The clamping tool for drilling the through-flow fan according to claim 1, wherein the clamping tool comprises: a return spring (507) is connected between one end of the straight rack (502) and the bottom edge of the movable piece (501).

3. The clamping tool for drilling the through-flow fan according to claim 1, wherein the clamping tool comprises: the clamping plate (505) is an arc-shaped plate, and a rubber pad used for increasing the friction force between the cross flow fans is attached to the clamping panel of the clamping plate (505).

4. A drilling device for machining a cross-flow fan, comprising the clamping tool for machining the cross-flow fan, which is disclosed by any one of claims 1 to 3, wherein the clamping tool comprises: the cross-flow fan drilling fixture is characterized by further comprising a base (1), a bearing plate (2) in an inverted L shape is fixed at the position of a back plate of the base (1), a hydraulic cylinder (3) is arranged on a transverse plate of the bearing plate (2), a moving assembly (4) used for drilling of a cross-flow fan is arranged at the end of a piston rod of the hydraulic cylinder (3), and connecting portions (7) which are symmetrical to each other are arranged on the two side walls and the back of the base (1) and used for driving a clamping assembly (5) to operate.

5. The drilling device for through-flow fan machining according to claim 4, wherein: the moving assembly (4) comprises a moving box (401) fixedly mounted at the end of a piston rod of the hydraulic cylinder (3), the moving box (401) is a rectangular box body which is hollow inside and has no bottom cover, a ball screw (402) is rotatably mounted inside the moving box (401), one end of one side of the ball screw (402) is coaxially connected with a driving piece (404) on the side wall of the moving box (401), a sliding seat (403) is arranged on a rod body of the ball screw (402), and a drilling part (405) used for drilling is arranged at the bottom of the sliding seat (403).

6. The drilling device for through-flow fan machining according to claim 5, wherein: the drilling part (405) comprises a bearing seat (4051) fixedly arranged on the sliding seat (403), a driving motor (4052) is fixedly arranged on a seat body of the bearing seat (4051), the driving motor (4052) is a rechargeable motor, and a drill bit (4053) is arranged on a driving shaft of the driving motor (4052).

7. The drilling device for through-flow fan machining according to claim 4, wherein: the connecting part (7) comprises connecting seats (701) respectively arranged on the base (1), the connecting seats (701) are in Contraband shapes, a pulley (702) rotates between two vertical plates of the connecting seats (701), and an elastic rope (9) is wound between the two adjacent pulleys (702) and the bottom plate of the movable piece (501).

8. The drilling apparatus for crossflow fan processing as recited in claim 7, wherein: a rotating shaft is rotatably arranged between the side walls of the connecting seat (701) at the back of the base (1), a driven gear (11) is sleeved on the rotating shaft and used for driving the pulley (702) to rotate, two mutually symmetrical moving strips (8) are arranged at the back of the moving box (401), the moving strips (8) are in an inverted L shape, and a vertical plate of each moving strip (8) is provided with a notch (10) which is meshed with the driven gear (11).

9. The drilling device for through-flow fan machining according to claim 4, wherein: the center of the top of the base (1) is provided with a processing groove (6) for placing a cross-flow fan.

10. The drilling device for through-flow fan machining according to claim 4, wherein: the top of the base (1) is also provided with two groups of symmetrical sliding grooves, the number of each group is two, and the bottom of the butt joint plate (506) corresponding to the two groups of symmetrical sliding grooves is provided with a sliding block placed in the sliding grooves.