CN113618641A

CN113618641A - Shot blasting device for machining

Info

Publication number: CN113618641A
Application number: CN202111184100.0A
Authority: CN
Inventors: 石惠蛟
Original assignee: Nantong Changlong Precision Machinery Co ltd
Current assignee: Nantong Changlong Precision Machinery Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2021-11-09
Anticipated expiration: 2041-10-11
Also published as: CN113618641B

Abstract

The invention discloses a shot blasting device for machining, which comprises: bottom plate and backup pad, rotate in the backup pad and install the axis of rotation, fixedly connected with fixed block in the axis of rotation, be provided with two installation pieces on the fixed block, every all be provided with the shower nozzle on the installation piece, two openings have been seted up on the fixed block, every equal fixed mounting has the horizontal pole in the opening, the installation piece pass through second torsion spring with horizontal pole zonulae occludens. The invention enables the angle of the shot sprayed by the spray head to change along with the change of the angle, and the shot can be smoothly sprayed on the curved surface of the part, so that the part can be better processed, the part is not easy to lose efficacy due to fatigue fracture, and the fatigue life of the mechanical part is greatly prolonged.

Description

Shot blasting device for machining

Technical Field

The invention relates to the technical field of machining, in particular to a shot blasting device for machining.

Background

Some mechanical equipment used at present need carry out a lot of processes before putting into service and process, wherein also include utilizing peening device to process it, peening device can improve mechanical parts's fatigue life, prevent that the part from the in-process of using for a long time, the fatigue fracture inefficacy takes place, but the shower nozzle angle among the peening device is unchangeable at present, lead to shower nozzle spun shot can only follow an angle blowout, when the part that needs to process exists some curved surfaces, the surface of part just can't be smoothly spouted to shower nozzle spun shot, thereby can't be better process the part, the part is easy to be inefficacy because of fatigue fracture, mechanical parts's fatigue life has greatly reduced.

Disclosure of Invention

The invention aims to solve the following defects in the prior art that the angle of a spray head in the prior shot blasting device is not changed, so that shot sprayed by the spray head can be sprayed from only one angle, when parts to be machined have curved surfaces, the shot sprayed by the spray head cannot be smoothly sprayed onto the surfaces of the parts, so that the parts cannot be machined better, the parts are easy to lose efficacy due to fatigue fracture, and the fatigue life of the mechanical parts is greatly reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a shot-blasting apparatus for machining, comprising:

the spray nozzle is arranged on each mounting block, two openings are formed in the fixing block, a cross rod is fixedly arranged in each opening, and the mounting blocks are tightly connected with the cross rods through second torsion springs;

the movable block comprises a plurality of annular blocks, two movable blocks are slidably mounted on each annular block, a plurality of convex blocks are arranged on each annular block, each movable block is connected with the corresponding mounting block through a hinge rod, a limiting groove used for sliding the movable blocks is formed in each annular block, the plurality of convex blocks are uniformly arranged in the limiting groove, a limiting part used for preventing the movable blocks from being separated is arranged on each limiting groove, one end of each hinge rod is hinged with each movable block, the other end of each hinge rod is hinged with each mounting block, the upper surface of each movable block is in surface contact with the convex blocks in the limiting grooves, the surfaces of the convex blocks are rough, the friction force between each convex block and each movable block is large, and the extrusion force of each hinge rod on each movable block is smaller than the friction force between each movable block and each convex block;

the limiting block is provided with two sliding grooves, each sliding groove is provided with a sliding rod in a sliding manner, and the sliding rods are connected with the corresponding moving blocks in a sliding manner;

the two rotating mechanisms are connected with the annular rod through the two mounting rods, each rotating mechanism comprises a rotating block connected with the annular rod through a first torsion spring, and an arc-shaped block is fixedly connected onto the rotating block;

the fixing mechanism comprises a supporting block and a shell, the supporting block and the shell are fixedly mounted on the supporting plate, a first connecting rod and a second connecting rod are slidably mounted on the supporting block, a fixing rod is slidably mounted on the shell, and a connecting pipe is fixedly mounted on the shell.

As a preferable scheme, the cross section of the sliding groove is arc-shaped, a locking piece for preventing the sliding rod from being separated is arranged on the sliding groove, and the sliding groove is used for adjusting the position corresponding to the sliding rod.

As a preferable scheme, one of the rotating blocks is fixedly connected with an extrusion block, the first connecting rod is fixedly connected with a transverse plate matched with the extrusion block, the first connecting rod is connected with the second connecting rod through a U-shaped rod, the second connecting rod is connected with the fixing rod through a connecting block, the supporting block is provided with a U-shaped groove for sliding the U-shaped rod, and the supporting block is connected with the first connecting rod through a first spring.

As a preferred scheme, fixedly connected with piston on the dead lever, offer on the casing and be used for gliding installation cavity about the piston, the installation cavity with the connecting pipe communicates each other, the connecting pipe is kept away from the one end fixed mounting of casing has the dust absorption head.

As a preferred scheme, the joint has the collection box that is used for collecting the dust on the casing, collect the box with the casing communicates each other, air inlet and gas outlet have been seted up on the casing, all install the check valve on air inlet and the gas outlet.

Compared with the prior art, the invention has the beneficial effects that:

1. when the parts to be processed have some curved surfaces, the angle of the spray head can be inclined, so that the angle of the shot sprayed by the spray head changes along with the change of the angle, and the shot can be smoothly sprayed to the curved surfaces of the parts, so that the parts can be better processed, the parts are not easy to lose efficacy due to fatigue fracture, and the fatigue life of the mechanical parts is greatly prolonged;

2. in-process to the spare part processing of peening, can collect the impurity that processing produced, prevent that a large amount of dust impurity from directly scattering in the air, not only prevent that the dust from being inhaled by the human body, be favorable to staff's health, still prevented that the environment from receiving the pollution for environmental protection more.

Drawings

FIG. 1 is a schematic front view of a shot-blasting machine for machining according to the present invention;

FIG. 2 is a schematic side view of a shot-blasting machine for machining according to the present invention;

FIG. 3 is a schematic view of a partial top perspective of the ring block;

FIG. 4 is a front perspective view of the support block and housing;

FIG. 5 is a schematic top view of a part of a shot-blasting machine for machining according to the present invention.

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.

Referring to fig. 1 to 5, a shot-blasting machine for machining, comprising: bottom plate 1 and backup pad 2, it installs axis of rotation 9 to rotate in the backup pad 2, fixedly connected with fixed block 10 on the axis of rotation 9, be provided with two installation pieces 16 on the fixed block 10, all be provided with shower nozzle 4 on every installation piece 16, two openings have been seted up on the fixed block 10, equal fixed mounting has horizontal pole 19 in every opening, installation piece 16 passes through second torsion spring 18 and horizontal pole 19 zonulae occludens, when installation piece 16 takes place relative rotation with horizontal pole 19, because 18 one end of second torsion spring and 19 fixed connection of horizontal pole, the other end and 16 fixed connection of installation piece, second torsion spring 18 will take place deformation simultaneously. A plurality of annular pieces 8, equal slidable mounting has two movable blocks 17 on every annular piece 8, be provided with a plurality of lugs 21 on the annular piece 8, every movable block 17 is connected with corresponding installation piece 16 through hinge rod 22 respectively, set up the spacing groove that is used for movable block 17 gliding on the annular piece 8, a plurality of lugs 21 evenly set up at the spacing inslot, be provided with the locating part that prevents movable block 17 and break away from on the spacing groove, the locating part of spacing inslot can make the upper surface of movable block 17, all the time with the surface contact of lug 21, and prevent that movable block 17 and spacing groove from breaking away from.

A limiting block 20, two sliding grooves 7 are arranged on the limiting block 20, a sliding rod 6 is slidably arranged on each sliding groove 7, the sliding rod 6 is slidably connected with a corresponding moving block 17, the cross section of each sliding groove 7 is arc-shaped, a locking piece for preventing the sliding rod 6 from being separated is arranged on each sliding groove 7, each sliding groove 7 is used for adjusting the position of the corresponding sliding rod 6, one end of each sliding rod 6 slides in the corresponding sliding groove 7 of the limiting block 20, and a locking piece for preventing the sliding rod 6 from being separated is arranged in the sliding chute 7, so that one end of the sliding rod 6 always clings to the inner wall of the sliding chute 7 to slide, since the cross section of the sliding chute 7 is arc-shaped, and the distance from the inner wall of the sliding chute 7 to the surface of the moving block 17 is gradually reduced, during the process that the sliding rod 6 moves against the inner wall of the sliding chute 7, it is simultaneously slid relative to the moving block 17, and the position of the slide lever 6 can be changed. Two slewing mechanism, annular piece 8 is connected with annular pole 11 through two installation poles, and every slewing mechanism all includes the turning block 5 of being connected through first torsion spring and annular pole 11, fixedly connected with arc piece on the turning block 5.

The fixing mechanism comprises a supporting block and a shell 14 which are fixedly arranged on a supporting plate 2, a first connecting rod 26 and a second connecting rod 28 are slidably arranged on the supporting block, a fixing rod 25 is slidably arranged on the shell 14, a connecting pipe 12 is fixedly arranged on the shell 14, an extrusion block 15 is fixedly connected onto one rotating block 5, a transverse plate 27 matched with the extrusion block 15 and used is fixedly connected onto the first connecting rod 26, the first connecting rod 26 is connected with the second connecting rod 28 through a U-shaped rod 24, the second connecting rod 28 is connected with the fixing rod 25 through a connecting block, a U-shaped groove for sliding the U-shaped rod 24 is formed in the supporting block, the supporting block is connected with the first connecting rod 26 through a first spring, a piston 23 is fixedly connected onto the fixing rod 25, a mounting cavity for sliding the piston 23 up and down is formed in the shell 14, the mounting cavity is mutually communicated with the connecting pipe 12, and a dust collection head 3 is fixedly arranged at one end, far away from the shell 14, of the connecting pipe 12, the joint has the collection box 13 that is used for collecting the dust on the casing 14, collects box 13 and casing 14 and communicates each other, has seted up air inlet and gas outlet on the casing 14, all installs the check valve on air inlet and the gas outlet.

When the first connecting rod 26 fixedly connected to the transverse plate 27 moves downward under the action of the external force, because one end of the U-shaped rod 24 is fixedly connected to the first connecting rod 26 and the other end is fixedly connected to the second connecting rod 28, the U-shaped rod 24 will slide in the U-shaped groove, the second connecting rod 28 will move upward, because one end of the first spring is fixedly connected to the supporting block and the other end is fixedly connected to the first connecting rod 26, the first spring will deform simultaneously, the connecting block is fixedly connected to the second connecting rod 28 and the fixing rod 25, the piston 23 fixedly connected to the fixing rod 25 will move upward in the installation cavity, so as to generate negative pressure in the installation cavity, under the action of the negative pressure, the impurities generated in the processing process will enter the installation cavity through the dust collection head 3 and the connecting pipe 12, because the air inlet and the air outlet of the housing 14 are both provided with one-way valves, the check valve limits that gas can only enter from the connecting pipe 12 and is discharged into the collecting box 13, and the through hole with the filter screen is formed in the collecting box 13, so that dust can be prevented from being discharged into the external environment, and the collecting box 13 is separated from the shell 14, so that dust and impurities in the collecting box 13 can be conveniently and timely treated.

In the invention, firstly, parts to be processed are placed on a supporting platform of a bottom plate 1, then a switch of a servo motor is turned on, as a driving end of the servo motor is fixedly connected with one end of a rotating shaft 9, the rotating shaft 9 continuously rotates for a half circle in a reciprocating way under the driving action of the servo motor, a fixed block 10 fixedly connected with the rotating shaft 9 rotates along with the fixed block, as two cross rods 19 are fixedly arranged on the fixed block 10 and an installation block 16 is rotatably connected with the cross rods 19, the installation block 16 rotates along with the fixed block 10, initially, as one end of a hinged rod 22 is hinged with a movable block 17 and the other end is hinged with the installation block 16, the upper surface of the movable block 17 is contacted with the surface of a lug 21 in a limiting groove, the surface of the lug 21 is rough, the friction force between the lug 21 and the movable block 17 is large, and a limiting piece in the limiting groove can enable the upper surface of the movable block 17, the second torsion spring 18 is always in surface contact with the lug 21 and is prevented from being separated from the limiting groove, when the mounting block 16 just starts to rotate, the mounting block 16 and the hinge rod 22 move together, the extrusion force of the hinge rod 22 on the moving block 17 is smaller than the friction force between the moving block 17 and the lug 21, the hinge rod 22 tilts in the moving process of the mounting block 16, the distance between the mounting block 16 and the moving block 17 becomes small, the mounting block 16 rotates relative to the cross rod 19, and because one end of the second torsion spring 18 is fixedly connected with the cross rod 19, the other end of the second torsion spring is fixedly connected with the mounting block 16, and the second torsion spring 18 deforms simultaneously.

After the installation block 16 is inclined, the spray head 4 fixedly connected with the installation block 16 is also inclined at the same time, the storage box for storing the shots on the installation block 16 is also moved at the same time, then the angle of the shots sprayed from the spray head 4 is changed, shot blasting with the spraying angle changed can be sprayed to the curved surface of the part, so that the curved surface of the part can be processed, the hinged rod 22 cannot be inclined, the moving block 17 can rotate along with the installation block 16, because the sliding rod 6 slides on the moving block 17 in a limiting way, one end of the sliding rod 6 slides in the chute 7 of the limiting block 20, and a locking piece for preventing the sliding rod 6 from being separated is arranged in the chute 7, so that one end of the sliding rod 6 always slides along the inner wall of the chute 7, because the cross section of the chute 7 is arc-shaped, and the distance from the inner wall of the chute 7 to the surface of the moving block 17 is gradually reduced, the sliding rod 6 slides relative to the moving block 17 in the process of moving against the inner wall of the sliding groove 7, one end of the sliding rod 6 is contacted with the rotating block 5 along with the continuous sliding of the sliding rod 6, and moves against the rotating block 5, the rotating block 5 rotates relative to the annular rod 11, because one end of the first torsion spring is fixedly connected with the rotating block 5, and the other end is fixedly connected with the annular rod 11, the first torsion spring deforms simultaneously, the sliding rod 6 cannot be separated from the other end of the rotating block 5 all the time in the process of moving the sliding rod 6, the lower end of the arc-shaped block fixedly connected with the rotating block 5 tilts simultaneously, the arc-shaped block contacts with the lower end of the mounting block 16 in the tilting process, and moves against the mounting block 16, the mounting block 16 rotates reversely under the extrusion action of the rotating block 5, and the spray head 4 fixedly connected with the mounting block 16, and the rotating can be carried out reversely, so that the angle of the shot sprayed by the spray head 4 can be changed reversely, and the processing of different curved surfaces of parts is facilitated.

In the process of rotating the rotating block 5, the extrusion block 15 fixedly connected to the rotating block 5 will contact with the transverse plate 27, and along with the continuous rotation of the rotating block 5, the extrusion block 15 will continuously extrude the transverse plate 27, under the action of the extrusion external force, the first connecting rod 26 fixedly connected to the transverse plate 27 will move downwards, because one end of the U-shaped rod 24 is fixedly connected to the first connecting rod 26, and the other end is fixedly connected to the second connecting rod 28, the U-shaped rod 24 will slide in the U-shaped groove, the second connecting rod 28 will move upwards, because one end of the first spring is fixedly connected to the supporting block, and the other end is fixedly connected to the first connecting rod 26, the first spring will deform simultaneously, the connecting block is fixedly connected to the second connecting rod 28 and the fixing rod 25 at the same time, the piston 23 fixedly connected to the fixing rod 25 will move upwards in the installation cavity, so as to generate negative pressure in the installation cavity, under the negative pressure effect, the impurity that produces will get into the installation intracavity through dust absorption head 3 and connecting pipe 12 in the course of working, because the check valve has all been installed to the air inlet and the gas outlet of casing 14, the check valve has restricted that gas can only get into from connecting pipe 12, arrange in collecting box 13, the through-hole that has the filter screen has been seted up on collecting box 13, thereby can prevent that the dust from discharging to external environment, when the spare part that needs processed has some curved surfaces, 4 spun shots of shower nozzle just can be smooth spout the surface of spare part, thereby can be better process the spare part, the spare part is difficult to become invalid because fatigue fracture, mechanical parts's fatigue life has been improved greatly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A shot-blasting apparatus for machining, characterized by comprising:

the device comprises a bottom plate (1) and a support plate (2), wherein a rotating shaft (9) is rotatably mounted on the support plate (2), a fixed block (10) is fixedly connected onto the rotating shaft (9), two mounting blocks (16) are arranged on the fixed block (10), a spray head (4) is arranged on each mounting block (16), two openings are formed in the fixed block (10), a cross rod (19) is fixedly mounted in each opening, and the mounting blocks (16) are tightly connected with the cross rod (19) through second torsion springs (18);

the device comprises a plurality of annular blocks (8), wherein two moving blocks (17) are slidably mounted on each annular block (8), a plurality of convex blocks (21) are arranged on each annular block (8), each moving block (17) is connected with the corresponding mounting block (16) through a hinge rod (22), a limiting groove used for sliding the moving block (17) is formed in each annular block (8), the convex blocks (21) are uniformly arranged in the limiting groove, a limiting part used for preventing the moving block (17) from being separated is arranged on each limiting groove, one end of each hinge rod (22) is hinged with the corresponding moving block (17), the other end of each hinge rod is hinged with the corresponding mounting block (16), the upper surface of each moving block (17) is in surface contact with the convex block (21) in the corresponding limiting groove, the surface of each convex block (21) is rough, and the friction force between each convex block (21) and the corresponding moving block (17) is large, the extrusion force of the hinge rod (22) to the moving block (17) is smaller than the friction force between the moving block (17) and the convex block (21);

the limiting block (20) is provided with two sliding grooves (7), each sliding groove (7) is provided with a sliding rod (6) in a sliding manner, and the sliding rods (6) are connected with the corresponding moving blocks (17) in a sliding manner;

the rotating mechanism comprises two rotating mechanisms, wherein the annular block (8) is connected with an annular rod (11) through two mounting rods, each rotating mechanism comprises a rotating block (5) connected with the annular rod (11) through a first torsion spring, and an arc-shaped block is fixedly connected to the rotating block (5);

the fixing mechanism comprises a supporting block and a shell (14), the supporting block is fixedly installed on the supporting plate (2), a first connecting rod (26) and a second connecting rod (28) are installed on the supporting block in a sliding mode, a fixing rod (25) is installed on the shell (14) in a sliding mode, and a connecting pipe (12) is fixedly installed on the shell (14).

2. A shot-blasting machine for mechanical working according to claim 1, characterized in that the chute (7) is provided with a circular arc-shaped cross-section, the chute (7) is provided with a locking member for preventing the sliding rod (6) from being detached, and the chute (7) is used for adjusting the position corresponding to the sliding rod (6).

3. A shot-blasting machine for mechanical processing according to claim 1, characterized in that an extrusion block (15) is fixedly connected to one of said turning blocks (5), a transverse plate (27) cooperating with said extrusion block (15) is fixedly connected to said first connecting rod (26), said first connecting rod (26) is connected to said second connecting rod (28) through a U-shaped rod (24), said second connecting rod (28) is connected to said fixing rod (25) through a connecting block, said supporting block is provided with a U-shaped slot for sliding said U-shaped rod (24), and said supporting block is connected to said first connecting rod (26) through a first spring.

4. A shot-blasting machine for mechanical processing according to claim 1, characterized in that a piston (23) is fixedly connected to the fixing rod (25), a mounting cavity for the piston (23) to slide up and down is opened on the housing (14), the mounting cavity and the connecting pipe (12) are communicated with each other, and a dust-collecting head (3) is fixedly mounted at one end of the connecting pipe (12) far away from the housing (14).

5. A shot-blasting machine for mechanical processing according to claim 1, characterized in that a collecting box (13) for collecting dust is clamped on the housing (14), the collecting box (13) and the housing (14) are communicated with each other, the housing (14) is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both provided with a one-way valve.