CN213889537U

CN213889537U - Stainless steel shot rounding machine convenient to maintain

Info

Publication number: CN213889537U
Application number: CN202022785794.0U
Authority: CN
Inventors: 张涛; 赵志浩; 刘书玺; 赵思忠; 刘务科
Original assignee: Shandong Longkuang Metal Products Co ltd
Current assignee: Shandong Longkuang Metal Products Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-06
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a stainless steel shot rounding machine convenient to maintenance, belong to the field of throwing ball equipment, it includes the supporting mechanism of fixed connection in the chamber lateral wall, supporting mechanism is located and trickles the board top in vertical direction, the supporting mechanism upper surface horizontal sliding connection has the backplate, the backplate is located between two impeller heads on the horizontal direction, backplate both sides face is respectively towards an impeller head, backplate sliding direction is parallel with impeller head axis of rotation, the backplate butt is in the chamber lateral wall, the vertical sliding connection in impeller head body upper surface has the locating lever, the locating lever passes the impeller head body and gets into in the backplate. Slide the backplate to supporting mechanism on, backplate and treatment chamber lateral wall butt, the locating lever descends and slides in the backplate to fix the backplate in the current position, only need when needing to be changed the backplate in the backplate roll-off with the locating lever can take out the backplate from the treatment chamber, this application has the effect of conveniently changing the backplate.

Description

Stainless steel shot rounding machine convenient to maintain

Technical Field

The application relates to the field of shot blasting equipment, in particular to a stainless steel shot rounding machine convenient to maintain.

Background

The stainless steel shots are also called stainless steel shots, stainless steel round-polished steel wire cut shots, stainless steel shot blasting and stainless steel wire cut shots, and are mainly used for surface shot blasting, sand blasting, shot blasting treatment, shot blasting forming, finishing, strengthening, matte, correction, paint removal and corrosion removal of stainless steel parts, aluminum alloy die castings and copper alloy parts. The production method of the stainless steel shots can be divided into two types, the first type of currently accepted production method is to obtain cast stainless steel shots through smelting, atomizing and cooling, and the second type of production method is to obtain the stainless steel shots through cutting and rounding stainless steel wires, cut stainless steel wire shots through rounding, and shot blasting the stainless steel.

The Chinese utility model patent with the publication number of CN209125635U discloses a steel shot rounding shot blasting machine, which comprises a shot blasting machine body and a hoisting machine; the shot blasting machine comprises a shot blasting machine body, and is characterized in that a treatment cavity is arranged in the shot blasting machine body, an opening is formed in the side wall of the treatment cavity, a sealing plate used for sealing the opening is rotatably connected to the shot blasting machine body, a protective plate is arranged inside the treatment cavity, a shot blasting device fixedly connected to the shot blasting machine body faces the protective plate, a dropping plate is further arranged below the protective plate, a lifting machine is located on one side of the shot blasting machine body, a steel shot storage hopper is arranged at the top of the lifting machine, and the steel shot storage hopper is of a sharp-nose type.

Stainless steel shots are placed into the treatment cavity through the opening, the stainless steel shots are conveyed to the impeller head by the elevator, the stainless steel shots are thrown onto the protective plate through the impeller head, edges and corners of the stainless steel shots collide with the protective plate to become blunt, the stainless steel shots reach the bottom of the treatment cavity through the flowing plate, and then the stainless steel shots are transferred into the shot storage hopper through the elevator. If the steel shots are not rounded, transferring the steel shots to an impeller head, and performing reciprocating circulation to round the steel shots; and if the steel shots are ground to be round, discharging the steel shots from the steel shot storage hopper.

In the related art, the protective plate is damaged by collision with the steel shot and needs to be replaced, and in the related art, the protective plate is usually fixed on the inner wall of the treatment cavity by welding, so that the protective plate is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

For the convenience change backplate, reduce staff intensity of labour, the application provides a stainless steel shot rounding machine convenient to maintenance.

The application provides a stainless steel shot rounding machine convenient to maintenance adopts following technical scheme:

the utility model provides a stainless steel shot rounding machine convenient to maintenance, includes fixed connection in the supporting mechanism of treatment chamber lateral wall, and supporting mechanism is located and trickles the board top in vertical direction, the supporting mechanism upper surface horizontal sliding connection has the backplate, and the backplate is located between two impeller heads on the horizontal direction, backplate both sides face is respectively towards an impeller head, backplate sliding direction is parallel with impeller head axis of rotation, backplate butt in treatment chamber lateral wall, the vertical sliding connection in impeller head body upper surface has the locating lever, the locating lever passes the impeller head body and gets into in the backplate.

Through adopting above-mentioned technical scheme, slide the backplate to supporting mechanism on, backplate and treatment chamber lateral wall butt, the locating lever descends and slides in the backplate to fix the backplate in the current position, only need when needing to change the backplate can take out the backplate from the treatment intracavity with the locating lever roll-off in the backplate, easy operation is convenient, reduces staff intensity of labour.

Optionally, the backplate is vertical to be set up, and the top lateral wall of treatment cavity is the roof in vertical direction, and first spout has been seted up along backplate sliding direction to the roof, backplate towards roof one end sliding connection in first spout.

Through adopting above-mentioned technical scheme, backplate towards roof one end sliding connection in first spout to increase the stability of backplate in the treatment chamber.

Optionally, the locating slot has been seted up to the backplate up end, the vertical fixedly connected with second guide bar of shot-blasting machine body upper surface, the vertical sliding connection of locating lever is in the second guide bar, the locating lever passes shot-blasting machine body sliding connection in the locating slot.

Through adopting above-mentioned technical scheme, the second guide bar plays supporting role to the locating lever, and after the locating lever slided out from the constant head tank, the second guide bar increased the locating lever stability of sliding.

Optionally, the first hinge lug of shrouding one end fixedly connected with, two second hinge lugs of shot-blasting machine body lateral wall fixedly connected with, first hinge lug and two second hinge lugs interval and coaxial setting in vertical direction, the vertical setting of first hinge lug and second hinge lug axis, coaxial fixedly connected with axis of rotation in the first hinge lug, two second hinge lugs are passed at the axis of rotation both ends.

Through adopting above-mentioned technical scheme, thereby the shrouding rotates and drives first hinge lug and rotate, and first hinge lug drives the axis of rotation and rotates, thereby the axis of rotation realizes the shrouding rotation at the rotation of second hinge lug.

Optionally, a driving mechanism for driving the positioning rod to vertically slide is arranged on the upper surface of the shot blasting machine body, the driving mechanism comprises a linkage assembly, the linkage assembly drives the positioning rod to vertically slide, the linkage assembly comprises a third guide rod horizontally and fixedly connected to the upper surface of the shot blasting machine body, one end of the third guide rod is fixedly connected with the first guide rod, the other end of the third guide rod faces the rotating shaft, a driving rod is slidably connected in the third guide rod along the length direction of the third guide rod, the upper surface of the driving rod is hinged with a connecting rod, the connecting rod is rotatably and slidably connected with the third guide rod with the hinged end of the driving rod, the other end of the connecting rod is hinged with one end of the side wall of the positioning rod, which is far away from the protection plate, through the second guide rod, the connecting rod is rotatably and slidably connected in the second guide rod, when the driving rod approaches the direction close to the second guide rod, the positioning rod slides out of the positioning groove.

Through adopting above-mentioned technical scheme, the actuating lever slides to keeping away from the second guide bar direction, and the connecting rod rotates under the actuating lever drives and slides, and the connecting rod drives the locating lever decline and slides in the constant head tank, and the actuating lever rotates under the actuating lever drives and slides to being close to the connecting rod that slides of second guide bar direction, and the connecting rod drives the ascending roll-off in the constant head tank of follow of locating lever, conveniently fixes or separates the backplate to the convenience is changed the backplate.

Optionally, a third guide way has been seted up along third guide bar length direction level in the third guide bar, actuating lever sliding connection is in the third guide way, the subassembly that resets includes fixed connection in the stopper that the third guide way is close to second guide bar one end inner wall, the stopper is located the actuating lever towards second guide bar one side, reset spring has been placed in the third guide way, the reset spring axis is parallel with the actuating lever direction of sliding, reset spring one end butt in stopper, reset spring other end butt is towards stopper one side in the actuating lever.

Through adopting above-mentioned technical scheme, when needing to dismantle the backplate, when promoting the actuating lever to sliding near the second guide bar direction, reset spring is compressed, after the new backplate is changed, cancels the thrust that removes the actuating lever, and reset spring resets and promotes the actuating lever and slides to keeping away from the second guide bar direction to it is fixed with the backplate in the constant head tank to drive the locating lever slides, and easy operation is convenient.

Optionally, a driving assembly for driving the driving rod to slide is arranged in the third guide rod, the sealing plate drives the driving rod to slide through the driving assembly, when the free end of the sealing plate rotates towards the direction far away from the shot blasting machine body, the positioning rod rises, and when the sealing plate rotates 180 degrees, the lower end of the positioning rod slides out of the positioning groove.

Through adopting above-mentioned technical scheme, rotate the shrouding and make the shrouding free end to keeping away from shot-blasting machine body direction and rotate, the shrouding rotates and slides through drive assembly drive actuating lever to the drive locating lever slides, and easy operation is convenient.

Optionally, the axis of rotation upper end is higher than shot-blasting machine body up end, drive assembly includes fixed connection in the actuating lever towards the butt board of axis of rotation one end, butt board sliding connection is in the third guide bar, the third guide bar internal rotation is connected with the cam, the vertical setting of cam axis, cam lateral wall butt in butt board, the cam rotates the in-process all the time with the butt board butt, coaxial fixedly connected with dwang on the cam, the first gear of coaxial fixedly connected with on the dwang, coaxial fixedly connected with second gear in the axis of rotation, first gear and second gear meshing, the cam rotates and will promote the butt board and slide to keeping away from the cam axis direction.

Through adopting above-mentioned technical scheme, the shrouding rotates and drives the second gear rotation through the axis of rotation, and the first gear of second gear drive rotates, and first gear passes through the dwang and drives the cam rotation, and the cam promotes the butt plate and slides to keeping away from the cam axis direction to promote the actuating lever and slide to keeping away from the cam axis direction, easy operation is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the guard plate slides onto the supporting mechanism, the guard plate is abutted against the side wall of the treatment cavity, the positioning rod descends and slides into the guard plate, so that the guard plate is fixed at the current position, when the guard plate needs to be replaced, the guard plate can be taken out of the treatment cavity only by sliding the positioning rod out of the guard plate, and the operation is simple and convenient;

2. when the guard plate needs to be disassembled, the driving rod is pushed to slide towards the direction close to the second guide rod, the reset spring is compressed, after the guard plate is replaced with a new guard plate, the pushing force of the driving rod is cancelled, the reset spring resets to push the driving rod to slide towards the direction far away from the second guide rod, so that the positioning rod is driven to slide into the positioning groove to fix the guard plate, and the operation is simple and convenient;

3. the shrouding rotates and drives the second gear rotation through the axis of rotation, and the first gear of second gear drive rotates, and first gear passes through the dwang and drives the cam rotation, and the cam promotes butt joint board and slides to keeping away from cam axis direction to promote the actuating lever and slide to keeping away from cam axis direction, easy operation is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of the structure of an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a portion of the structure of an embodiment of the present application, which is mainly used for showing a fixing mechanism;

fig. 4 is a partial structural schematic diagram of the embodiment of the present application, which is mainly used for showing the driving mechanism.

Description of reference numerals: 12. a left side wall; 13. a right side wall; 14. a rear sidewall; 15. a top wall; 16. an opening; 17. a first chute; 2. a support mechanism; 21. a support bar; 22. a first guide bar; 3. a shot blasting machine; 4. a guard plate; 41. a first guide groove; 42. positioning a groove; 5. a fixing mechanism; 51. a second guide bar; 52. a second guide groove; 53. a third chute; 54. positioning a rod; 6. closing the plate; 61. a first hinge ear; 62. a rotating shaft; 7. a plate dropping; 8. a drive mechanism; 81. a linkage assembly; 811. a third guide bar; 812. a third guide groove; 813. a drive rod; 814. a connecting rod; 815. a second chute; 82. a reset assembly; 821. a return spring; 822. a limiting block; 83. a drive assembly; 831. a butt joint plate; 832. a fourth chute; 833. a cam; 834. rotating the rod; 835. a first gear; 836. a second gear; 9. a shot blasting machine body; 91. a second hinge ear.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses stainless steel shot rounding machine convenient to maintenance. Referring to fig. 1 and 2, a stainless steel shot rounding machine convenient to maintenance is including setting up in the supporting mechanism 2 of processing intracavity wall, supporting mechanism 2 is located and flows board 7 top in vertical direction, supporting mechanism 2 deviates from and flows board 7 one side and be provided with backplate 4, the vertical setting of backplate 4, backplate 4 is located between two impeller heads 3 in the horizontal direction, 4 both sides of backplate face respectively towards an impeller head 3, the upper surface of shot-blasting machine body 9 is provided with fixed establishment 5 with backplate 4 fixed, be provided with drive fixed establishment 5 on the shrouding 6 and be with the actuating mechanism 8 of backplate 4 fixed, shrouding 6 rotates and drives actuating mechanism 8 operation, when 6 free ends of shrouding rotate and turn over 180 degrees to keeping away from shot-blasting machine body 9 direction, fixed establishment 5 separates backplate 4 and shot-blasting machine body 9.

6 rotations of shrouding drive 8 operation of actuating mechanism, 8 drive fixed establishment 5 with backplate 4 and the separation of shot-blasting machine body 9, take out backplate 4 from the treatment chamber and change new backplate 4, 6 rotations of shrouding can make backplate 4 and shot-blasting machine body 9 fixed, easy operation convenience.

Referring to fig. 2, the side wall of the process chamber where the opening 16 is located is a front side wall, the side walls of the process chamber where the two blasting devices 3 are located are a left side wall 12 and a right side wall 13, respectively, the side wall of the process chamber opposite to the front side wall is a rear side wall 14, and the uppermost side wall of the process chamber in the vertical direction is a top wall 15.

Referring to fig. 2, the supporting mechanism 2 includes five cylindrical supporting rods 21 fixedly connected in the processing chamber, the supporting rods 21 are horizontally disposed, one end of each supporting rod 21 is fixedly connected to the left sidewall 12, and the other end is fixedly connected to the right sidewall 13. The lateral wall of the support rod 21 is fixedly connected with a first guide rod 22, the first guide rod 22 is horizontally arranged, and the length direction of the first guide rod is vertical to the axial line of the support rod 21. One end of the guard plate 4 facing the support rod 21 abuts against the side wall of the support rod 21, a first guide groove 41 is formed in one end of the guard plate 4 facing the support rod 21 along the length direction of the first guide rod 22, and the first guide rod 22 is slidably connected in the first guide groove 41.

The supporting rod 21 is cylindrical, so that steel shots remained on the supporting rod 21 are effectively reduced, the steel shots participate in rounding, and the rounding quality of the steel shots is improved.

Referring to fig. 2, the top wall 15 is provided with a first sliding groove 17 along the length direction of the first guiding rod 22, and one end of the guard plate 4 close to the top wall 15 is slidably connected in the first sliding groove 17.

Referring to fig. 1 and 2, one end of the sealing plate 6 is fixedly connected with a first hinge lug 61, and the side wall of the shot blasting machine body 9 is fixedly connected with two second hinge lugs 91. First articulated ear 61 and two articulated ears 91 interval and coaxial setting in vertical direction, the vertical setting of first articulated ear 61 and the articulated ear 91 axis of second, coaxial fixedly connected with axis of rotation 62 in the first articulated ear 61, two articulated ears 91 of second are passed at axis of rotation 62 both ends, and axis of rotation 62 upper end is higher than shot-blasting machine body 9 up end.

Thereby shrouding 6 rotates and drives the axis of rotation 62 through first articulated ear 61 and rotate, and the axis of rotation 62 is connected through first articulated ear 61 and second articulated ear 91 to realize shrouding 6's rotation.

Referring to fig. 2 and 3, the fixing mechanism 5 includes a second guide rod 51 vertically and fixedly connected to the upper surface of the shot blasting machine body 9, a second guide groove 52 is vertically formed in the second guide rod 51, a cylindrical positioning rod 54 is slidably connected to the second guide groove 52, a positioning groove 42 is vertically formed in one end, facing the top wall 15, of the protection plate 4, the positioning groove 42 and the second guide groove 52 are correspondingly arranged, when the protection plate 4 abuts against the rear side wall 14 towards one end of the rear side wall 14, the positioning groove 42 is aligned with the second guide groove 52, and the positioning rod 54 is vertically and slidably connected to the positioning groove 42 and the second guide groove 52.

After the protection plate 4 is slid into the treatment cavity, the sliding positioning rod 54 penetrates through the shot blasting machine body 9 and enters the positioning groove 42, so that the protection plate 4 is fixed at the current position, and the operation is simple and convenient.

Referring to fig. 3 and 4, the driving mechanism 8 includes a linkage component 81, a reset component 82 and a driving component 83, the linkage component 81 is disposed on the upper end surface of the shot blasting machine body 9, the linkage component 81 drives the positioning rod 54 to vertically slide, the reset component 82 drives the positioning rod 54 to reset and slide into the positioning groove 42, the reset component 82 is disposed in the linkage component 81, the driving component 83 is disposed on the rotating shaft 62, and the sealing plate 6 drives the linkage component 81 to operate through the driving component 83.

Referring to fig. 3 and 4, the linkage assembly 81 includes a third guide bar 811 horizontally and fixedly connected to the upper end surface of the shot blasting machine body 9, one end of the third guide bar 811 facing the second guide bar 51 is fixedly connected to the second guide bar 51, and the other end of the third guide bar 811 faces the rotation shaft 62. A third guide groove 812 is horizontally formed in the third guide bar 811 along the length direction of the third guide bar 811, and a square drive rod 813 is slidably connected in the third guide groove 812. The side wall of the third guiding groove 812 is provided with a second sliding groove 815 along the length direction of the third guiding groove 812, the upper surface of the driving rod 813 is hinged with a connecting rod 814, and the connecting rod 814 is connected in the second sliding groove 815 in a sliding manner. Third spout 53 has vertically been seted up to second guide way 52 lateral wall, and connecting rod 814 is kept away from driving lever 813 one end and is passed third spout 53 and articulate in the lateral wall of locating lever 54 and keep away from backplate 4 one end, and connecting rod 814 slope sets up. When the driving rod 813 slides away from the second guiding rod 51, the connecting rod 814 drives the positioning rod 54 to slide into the positioning slot 42.

Referring to fig. 3 and 4, the reset assembly 82 includes a reset spring 821 placed in the third guide groove 812, the reset spring 821 is located at one end of the driving rod 813 facing the second guide rod 51, a limit block 822 is fixedly connected to an inner wall of the third guide groove 812 close to one end of the second guide rod 51, one end of the reset spring 821 abuts against the limit block 822, and the other end of the reset spring abuts against one end of the driving rod 813 facing the driving rod 813.

Referring to fig. 3 and 4, the driving assembly 83 includes an abutting plate 831 fixedly connected to one end of the driving rod 813 facing the rotating shaft 62, a fourth sliding slot 832 is horizontally formed in the third guiding rod 811 along the length direction of the third guiding rod 811, the abutting plate 831 is slidably connected to the fourth sliding slot 832, a cam 833 is rotationally connected to the third guiding rod 811, the axis of the cam 833 is vertically arranged, the side wall of the cam 833 abuts against the abutting plate 831, and the cam 833 is always abutted to the abutting plate 831 during the rotation process. Coaxial fixedly connected with dwang 834 on cam 833, coaxial fixedly connected with first gear 835 on the dwang 834, coaxial fixedly connected with second gear 836 on the axis of rotation 62, first gear 835 and the meshing of second gear 836, when 6 free ends of shrouding rotate to keeping away from shot-blasting machine body 9 direction, locating lever 54 rises, and when shrouding 6 rotated 180 degrees, locating lever 54 lower extreme slided out in the constant head tank 42.

The implementation principle of the stainless steel shot rounding machine convenient to maintain in the embodiment of the application is as follows: the free end of the closing plate 6 rotates towards the direction far away from the shot blasting machine body 9, the rotating shaft 62 drives the cam 833 to rotate through the first gear 835 and the second gear 836, the cam 833 rotates to push the abutting plate 831 to slide towards the axis direction far away from the cam 833, so that the driving rod 813 is pushed to slide towards the direction close to the second guide rod 51, the return spring 821 is compressed at the moment, the driving rod 813 drives the connecting rod 814 to rotate and slide, and the connecting rod 814 drives the positioning rod 54 to ascend. When the closing plate 6 rotates 180 degrees, the lower end of the positioning rod 54 slides out of the positioning groove 42, and the protection plate 4 is taken out of the treatment cavity.

The new protection plate 4 is slid into the treatment cavity, the closing plate 6 is rotated to enable the free end of the closing plate 6 to rotate towards the direction close to the shot blasting machine body 9, the rotating shaft 62 drives the cam 833 to rotate through the first gear 835 and the second gear 836, the return spring 821 pushes the driving rod 813 to slide towards the axis direction close to the cam 833 at the moment, the driving rod 813 drives the connecting rod 814 to rotate and slide, and the connecting rod 814 drives the positioning rod 54 to descend into the positioning groove 42. After the closing plate 6 closes the opening 16, the positioning rod 54 enters the positioning groove 42 to fix the protection plate 4 at the current position.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stainless steel shot rounding machine convenient to maintenance which characterized in that: including supporting mechanism (2) fixed connection in the chamber lateral wall, supporting mechanism (2) are located and flow board (7) top in vertical direction, supporting mechanism (2) upper surface horizontal sliding connection has backplate (4), and backplate (4) are located between two impeller heads (3) in the horizontal direction, backplate (4) both sides face respectively towards one impeller head (3), backplate (4) direction of sliding is parallel with impeller head (3) axis of rotation (62) line, backplate (4) butt in the chamber lateral wall, the vertical sliding connection of surface has locating lever (54) on shot-blasting machine body (9), locating lever (54) pass in impeller-blasting machine body (9) get into backplate (4).

2. The stainless steel shot rounding machine convenient to maintain of claim 1, characterized in that: backplate (4) vertical setting, the top lateral wall of treatment chamber is roof (15) in vertical direction, and first spout (17) have been seted up along backplate (4) slip direction in roof (15), backplate (4) are towards roof (15) one end sliding connection in first spout (17).

3. The stainless steel shot rounding machine convenient to maintain of claim 2, characterized in that: locating slot (42) has been seted up to backplate (4) upper end face, the vertical fixedly connected with second guide bar (51) of shot-blasting machine body (9) upper surface, locating lever (54) vertical sliding connection is in second guide bar (51), locating lever (54) pass shot-blasting machine body (9) sliding connection in locating slot (42).

4. The stainless steel shot rounding machine convenient to maintain of claim 3, characterized in that: shrouding (6) one end fixedly connected with first articulated ear (61), two second articulated ears (91) of shot-blasting machine body (9) lateral wall fixedly connected with, interval and coaxial setting are gone up in vertical direction in first articulated ear (61) and two second articulated ears (91), first articulated ear (61) and the vertical setting of second articulated ear (91) axis, coaxial fixedly connected with axis of rotation (62) in first articulated ear (61), two second articulated ears (91) are passed at axis of rotation (62) both ends.

5. The stainless steel shot rounding machine convenient to maintain of claim 4, characterized in that: shot-blasting machine body (9) upper surface is provided with actuating mechanism (8) that drive locating lever (54) vertically slided, actuating mechanism (8) are including interlock subassembly (81), interlock subassembly (81) drive locating lever (54) vertical slide, interlock subassembly (81) are including horizontal fixed connection in third guide bar (811) of shot-blasting machine body (9) upper surface, third guide bar (811) one end and first guide bar (22) fixed connection, third guide bar (811) other end is towards axis of rotation (62), there is actuating lever (813) along third guide bar (811) length direction sliding connection in third guide bar (811), actuating lever (813) upper surface articulates there is connecting rod (814), connecting rod (814) rotate with actuating lever (813) hinged end and slide and connect in third guide bar (811), the connecting rod (814) other end passes second guide bar (51) and articulates and keeps away from locating lever (54) lateral wall and keeps away from backplate (811), connecting rod (814) other end (4) One end of the connecting rod (814) is connected with the hinged end of the positioning rod (54) in a rotating and sliding manner in the second guide rod (51), and when the driving rod (813) approaches to the direction close to the second guide rod (51), the positioning rod (54) slides out of the positioning groove (42).

6. The stainless steel shot rounding machine convenient to maintain of claim 5, characterized in that: a third guide groove (812) is horizontally arranged in the third guide rod (811) along the length direction of the third guide rod (811), the driving rod (813) is connected in a sliding way in the third guide groove (812), the driving mechanism (8) also comprises a reset component (82), the reset component (82) comprises a limit block (822) fixedly connected to the inner wall of one end of the third guide groove (812) close to the second guide rod (51), the limit block (822) is positioned on one side of the driving rod (813) facing the second guide rod (51), a return spring (821) is arranged in the third guide groove (812), the axis of the return spring (821) is parallel to the sliding direction of the driving rod (813), one end of the return spring (821) abuts against the limiting block (822), and the other end of the return spring (821) abuts against one side, facing the limiting block (822), of the driving rod (813).

7. The stainless steel shot rounding machine convenient to maintain of claim 6, characterized in that: be provided with drive assembly (83) that drive actuating lever (813) slided in third guide bar (811), shrouding (6) slide through drive assembly (83) drive actuating lever (813), when shrouding (6) free end rotated to keeping away from shot-blasting machine body (9) direction, locating lever (54) rise, and when shrouding (6) rotated 180 degrees, locating lever (54) lower extreme slided out in follow constant head tank (42).

8. The stainless steel shot rounding machine convenient to maintain of claim 7, characterized in that: the upper end of the rotating shaft (62) is higher than the upper end surface of the shot blasting machine body (9), the driving assembly (83) comprises a butt joint plate (831) fixedly connected to one end, facing the rotating shaft (62), of the driving rod (813), the abutting plate (831) is connected with a third guide rod (811) in a sliding manner, a cam (833) is connected in the third guide rod (811) in a rotating manner, the axis of the cam (833) is vertically arranged, the side wall of the cam (833) is abutted against the abutting plate (831), the cam (833) is always abutted against the abutting plate (831) in the rotating process, a rotating rod (834) is coaxially and fixedly connected to the cam (833), a first gear (835) is coaxially and fixedly connected to the rotating rod (834), a second gear (836) is coaxially and fixedly connected to the rotating shaft (62), the first gear (835) and the second gear (836) are meshed, and the cam (833) rotates to push the abutting plate (831) to slide in a direction away from the axis of the cam (833).