CN210524854U

CN210524854U - Adjustable nozzle for sand blasting machine

Info

Publication number: CN210524854U
Application number: CN201921600145.XU
Authority: CN
Inventors: 吴伟豪; 吴伟粼
Original assignee: Xiamen Aoxingda Powder Metallurgy Co Ltd
Current assignee: Xiamen Aoxingda Powder Metallurgy Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-15
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses an adjustable nozzle for sand blasting machine relates to sand blasting machine equipment technical field, has solved sand blasting machine at the incomplete technical problem in clearance casting surface. The technical key points comprise that: the rotary assembly comprises an annular frame and a driving device, the driving device drives a nozzle assembly on the annular frame, a first roller bearing and a second roller bearing are arranged on the hanging frame, and the driving device comprises an arc-shaped rack, a gear, a motor and a timer. The utility model has the advantages of diversified clearance foundry goods surface.

Description

Adjustable nozzle for sand blasting machine

Technical Field

The utility model relates to a sand blasting machine equipment technical field, more specifically say, it relates to an adjustable nozzle for sand blasting machine.

Background

The sand blasting machine is characterized in that compressed air is utilized to convey powdery particles from one place to another place in a pipeline, and in the process of converting kinetic energy into potential energy, the sand grains moving at high speed are enabled to scour the surface of an object, so that the effect of improving the surface quality of the object is achieved. The full-automatic sand blasting machine finishes the cleaning work of the surface of the casting, the inner cavity of the casting is often not easy to clean due to oxide scale and attachments, and the inner cavity and the nozzle are aligned to be cleaned. Because the shapes and the positions of different casting cavities are different, the position of a nozzle needs to be adjusted during sand blasting cleaning so as to enable the spraying angle and the spraying distance to reach the optimal value and adapt to various workpieces.

Chinese patent with publication number CN204339597U discloses a sandblasting machine with adjustable nozzle position, including the nozzle that is located sandblasting machine indoor, the nozzle passes through nozzle position adjustment mechanism and is connected with the indoor wall of room, nozzle position adjustment mechanism includes vertical sliding guide and horizontal sliding guide, vertical sliding guide's one end is fixed with the indoor wall of room, horizontal sliding guide's one end is through the first slider and vertical sliding guide sliding connection with vertical sliding guide looks adaptation, be equipped with locking positioner on first slider, second slider and nozzle sliding connection through with horizontal sliding guide looks adaptation on horizontal sliding guide, be equipped with locking positioner on the second slider.

The above prior art solutions have the following drawbacks: the nozzle provided by the technical scheme is fixedly connected to the horizontal sliding guide rail through the second sliding block and the corresponding locking and positioning device, so that the moving track of the nozzle is limited in the length direction of the horizontal sliding guide rail and the axial circumference direction of the horizontal sliding guide rail, the casting can be cleaned only in one direction of the casting, and for multi-surface castings, the surface of the casting is not completely cleaned due to the arrangement, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the technical problem that exists, an object of the utility model is to provide an adjustable nozzle for sand blasting machine, it has the advantage on diversified clearance casting surface.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an adjustable nozzle for a sand blasting machine comprises a plurality of nozzles positioned in a sand blasting machine chamber body and a rack fixed on a top plate of the sand blasting machine chamber body, wherein the rack comprises a plurality of vertically arranged hangers which are circumferentially and equidistantly distributed along the axis of the top plate of the sand blasting machine chamber body; the rotary assembly comprises an annular frame which is arranged between the hangers and is coaxially arranged with the top of the sand blasting machine chamber body, and a driving device which is arranged on a top plate of the sand blasting machine chamber body and is used for driving the axis of the annular frame to rotate in the circumferential direction; the nozzle assembly is characterized by further comprising a plurality of nozzle assemblies which are arranged along the circumferential direction of the annular frame at equal intervals and used for connecting the nozzles to the annular frame respectively.

By adopting the technical scheme, the rack comprising the plurality of hangers can play a supporting effect, and the tops of the hangers are arranged on the top plate of the chamber body of the sand blasting machine, so that the vacant space on the upper part of the sand blasting machine is reasonably utilized; utilize drive arrangement drive ring frame to rotate and can reach the effect of controlling each nozzle assembly with ring frame's axis circumferential direction, ensure each nozzle assembly from the surface of each direction clearance subassembly for casting surface clearance's is more comprehensive.

The utility model discloses further set up to: each hanger comprises an upper plate, a lower plate and a vertical plate, wherein the upper plate is horizontally attached to a top plate of a sand blasting machine chamber body, the lower plate is symmetrically arranged below the upper plate, the vertical plate is arranged between the ends, away from the circle center of the annular frame, of the upper plate and the lower plate, and a first roller bearing is rotatably connected to each lower plate, the axis of the first roller bearing is vertically arranged, and the outer wall of the first roller bearing is abutted to the inner wall of.

Through adopting above-mentioned technical scheme, can play the effect of joint support to upper plate and hypoplastron through setting up vertical board, can support annular frame through the hypoplastron, can restrict annular frame through the first ball bearing of each, ensure that annular frame can use annular frame's the centre of a circle to rotate as the axis.

The utility model discloses further set up to: and each lower plate is rotatably connected with a second roller bearing of which the axis is horizontally arranged and the outer wall is abutted against the lower surface of the annular frame.

Through adopting above-mentioned technical scheme, can make horizontal support bar can not direct and the contact of ring frame through second ball bearing for can not take place the friction with horizontal support bar when ring frame rotates, can avoid horizontal support bar and ring frame to produce great wearing and tearing.

The utility model discloses further set up to: the annular frame is formed by splicing a plurality of connecting strips which are arranged in an arc shape to form an annular arrangement, one end of each connecting strip is provided with an upward notch, the other end of each connecting strip is provided with a downward notch, and when two adjacent connecting strips are spliced randomly, the upward end of one connecting strip notch and the downward end of the other connecting strip notch are fixed through screw locking.

Through adopting above-mentioned technical scheme, form through setting up annular frame to a plurality of connecting strip concatenation, arbitrary two adjacent connecting strips attach fixed concatenation through the screw and form, have made things convenient for annular frame's transportation and equipment.

The utility model discloses further set up to: the driving device comprises an arc-shaped rack which is fixed on the annular frame and is coaxial with the annular frame, a motor which is arranged on the top plate of the sand blasting machine chamber body and is provided with a motor shaft vertically, and a gear which is arranged on the motor shaft of the motor and is meshed with the arc-shaped rack.

By adopting the technical scheme, the gear is driven to rotate by the motor, and the gear can be pushed to rotate by taking the circle center of the arc-shaped rack as an axis when rotating by the meshing relation between the gear and the arc-shaped rack, so that the effect of driving the annular frame to rotate is achieved.

The utility model discloses further set up to: the driving device further comprises a timer which is in control connection with the motor, the motor is set to be a servo motor with a forward and reverse rotation function, each nozzle assembly is arranged along the radial direction of the annular frame, and the included angle between the axes of any two adjacent nozzle assemblies is slightly smaller than the radian of the arc-shaped rack.

By adopting the technical scheme, the servo motor has a forward and reverse rotation function, and the forward and reverse rotation time of the motor can be controlled by utilizing the timer, so that the annular frame can be driven by the driving device to rotate repeatedly; the radian of the arc-shaped rack is larger than the included angle between the adjacently arranged nozzle assemblies, so that the arc-shaped rack can ensure that the cleaning areas of the nozzle assemblies can be overlapped together when the arc-shaped rack moves in a full stroke, and the materials used by the arc-shaped rack can be reduced.

The utility model discloses further set up to: the both ends of arc rack all are provided with the gag lever post that sets up towards the axis of arc rack, when the end limit of arc rack removed to gear department, set up in the gag lever post and the gear butt on arc rack end limit.

Through adopting above-mentioned technical scheme, can prevent unexpected breaking away from between arc rack and the gear through the cooperation between gag lever post and gear and the arc rack, ensure ring frame's safe in utilization.

The utility model discloses further set up to: each nozzle assembly comprises a support fixedly arranged on the inner side wall of the ring frame through abutting bolts, a support rotatably connected with the support and used for fixedly connecting the nozzles, and a connecting rod arranged on the upper surface of the support and used for fixing the nozzles, wherein a fixing piece is sleeved on the outer wall of each nozzle, and the connecting rod is connected with the fixing piece in a hinged mode.

By adopting the technical scheme, the nozzle is driven to rotate by arranging the support to be rotationally connected with the bracket, and the nozzle can be adjusted to a proper position; the direction of the nozzle is further adjusted by providing a connecting rod in hinged connection with the fixing member, so that the nozzle is adjusted to an optimal position, thereby enabling more complete cleaning of the surface of the casting.

The utility model discloses further set up to: one end of the support far away from the annular frame is provided with a through hole, the two ends of the through hole are communicated with the end faces of the two sides of the support, the cross section of the support is in an inverted U-shaped shape, the two side faces of the support are respectively attached to the end faces of the two ends of the support, and the support are clamped and fixed through bolts and nuts.

Through adopting above-mentioned technical scheme, through the frictional force of bolt and nut after pressing from both sides tight assurance nozzle assembly can not be because of gravity landing, utilizes the cooperation between support and the support can simply realize that the support can dismantle between the support and rotate the relation of connection, adjusts the nozzle angle through rotating the support for can adjust suitable position.

The utility model discloses further set up to: reinforcing webs are arranged between each upper plate and the vertical plate and between the vertical plate and the lower plate.

Through adopting above-mentioned technical scheme, strengthen the web through the setting and will make between each upper plate and the vertical board, joint strength is higher between vertical board and the hypoplastron, the structure of stores pylon is more stable.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the top plate of the chamber body of the sand blasting machine is provided with the rack, the rack is provided with the rotating assembly which comprises the annular frame and the driving device, the annular frame is provided with the nozzle assemblies, the driving device is used for driving the annular frame to rotate, the effect of controlling the circumferential rotation of each nozzle assembly along the axis of the annular frame can be achieved, the surfaces of the nozzle assemblies can be cleaned from all directions, and the surface of a casting can be cleaned more comprehensively;

(2) the annular frame is ensured to be more stable by arranging the first roller bearing and the second roller bearing on each hanging rack;

(3) through the rotary connection of the support and the hinged fit of the connecting rod and the nozzle, the nozzle is adjusted to the optimal position, and the surface of the casting is cleaned more completely.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall subdivision structure of the present invention;

fig. 3 is a schematic view of the structure of the hanging rack of the present invention;

fig. 4 is a schematic diagram of the explosion structure of the ring frame of the present invention;

fig. 5 is a schematic diagram of the explosion structure of the nozzle assembly of the present invention.

Reference numerals: 1. a nozzle; 2. a frame; 21. a hanger; 211. an upper plate; 212. a lower plate; 213. a vertical plate; 3. rotating the assembly; 31. an annular frame; 311. a connecting strip; 32. a drive device; 321. an arc-shaped rack; 322. a motor; 323. a gear; 324. a timer; 4. a nozzle assembly; 41. a support; 42. a support; 43. a connecting rod; 44. a fixing member; 5. a first roller bearing; 6. a second roller bearing; 7. a limiting rod; 8. a through hole; 9. and reinforcing the web.

Detailed Description

The utility model provides an adjustable nozzle for sand blasting machine.

The present invention will be described in detail with reference to the accompanying drawings and examples, but the embodiments of the present invention are not limited thereto. It should be noted that the designations "first" and "second" in the present invention are only used for distinguishing the structures, and do not represent the order of sequence.

The utility model provides an adjustable nozzle for sand blasting machine, combines fig. 1, fig. 2 to show, including can fix on the roof of sand blasting machine room body with be used for supporting with the frame 2 of connection effect, set up in frame 2 and can be the rotation sub-assembly 3 of circumference reciprocating rotation motion and set up on rotation sub-assembly 3 and with external intercommunication in order to be used for spouting the nozzle assembly 4 of the air current of incidental particulate matter to the clearance of foundry goods surface.

Referring to fig. 2 and 3, the frame 2 includes a plurality of vertically arranged hangers 21 arranged at equal intervals along the circumferential direction of the axis of the top plate of the sandblasting machine chamber body for supporting; each hanging rack 21 comprises an upper plate 211 horizontally attached to a top plate of the sand blasting machine chamber, a lower plate 212 symmetrically arranged below the upper plate 211, and a vertical plate 213 arranged between the upper plate 211 and one end of the lower plate 212 far away from the center of the ring frame 31, and the rotating assembly 3 is connected to each lower plate 212 in a sliding manner; further, reinforcing webs 9 are arranged between each upper plate 211 and the vertical plate 213 and between the vertical plate 213 and the lower plate 212, so that the overall structural strength of the hanger 21 is enhanced.

Wherein, each lower plate 212 is rotatably connected with a first roller bearing 5 which has a vertical axis and is circumferentially arranged at equal intervals around the axis of the top plate of the sand blasting machine chamber body, each lower plate 212 is also rotatably connected with a second roller bearing 6 which has a horizontal axis and is mutually vertical to the axis of the top plate of the sand blasting machine chamber body, and the outer rings of each first roller bearing 5 and each second roller bearing 6 are abutted against the rotating assembly 3.

The number of the hangers 21 is not less than three, and the arrangement mode of the hangers 21 when the number of the hangers 21 is three is specifically disclosed in the drawings of the specification.

As shown in fig. 2 and 4, the rotating assembly 3 includes a ring frame 31 disposed in a circular ring shape and coaxial with the top plate of the blasting machine chamber, and a driving device 32 disposed on the top plate of the blasting machine chamber for driving the ring frame 31 to rotate circumferentially about the axis of the ring frame 31; the inner wall of the ring frame 31 abuts against the outer ring of each first roller bearing 5, the lower surface of the ring frame 31 abuts against the outer ring of each second roller bearing 6, and the casting is located inside the ring of the ring frame 31.

The driving device 32 comprises an arc-shaped rack 321 which is detachably mounted on the annular frame 31 and is coaxially arranged with the annular frame 31, a motor 322 which is arranged on a top plate of a sandblasting machine chamber body and is provided with a motor shaft vertically upwards, a gear 323 which is fixed on the motor shaft of the motor 322 and is meshed with the arc-shaped rack 321, and a timer 324 which is in control connection with the motor 322 and is used for controlling the motor shaft of the motor 322 to rotate forwards and backwards, wherein the motor 322 is a servo motor; the arc-shaped rack 321 is formed by splicing a plurality of racks, the two ends of the arc-shaped rack 321 are respectively fixed with a limiting rod 7 arranged towards the axis of the arc-shaped rack 321, and when the end edge of the arc-shaped rack 321 is close to the gear 323, the limiting rod 7 can be abutted against the gear 323 to prevent the arc-shaped rack 321 from being separated from the gear 323.

The annular frame 31 is formed by splicing a plurality of connecting strips 311 arranged in an arc shape to form an annular arrangement, one end of each connecting strip 311 is provided with an upward notch, the other end of each connecting strip 311 is provided with a downward notch, and when any two adjacent connecting strips 311 are spliced, the upward end of the notch of one connecting strip 311 and the downward end of the notch of the other connecting strip 311 are locked and fixed through screws.

Referring to fig. 2 and 5, each nozzle assembly 4 includes a support 41 fixedly disposed on an inner wall of the annular frame 31, a bracket 42 rotatably connected to the support 41 for fixedly connecting the nozzle 1, and a connecting rod 43 disposed on an upper surface of the bracket 42 for fixing the nozzle 1, wherein a fixing member 44 is sleeved on an outer wall of the nozzle 1, and the connecting rod 43 is connected to the fixing member 44 by a hinge for further adjusting an orientation of the nozzle 1.

Wherein, the one end of keeping away from ring frame 31 on the support 41 is provided with one through-hole 8, the both ends of through-hole 8 and the both sides terminal surface intercommunication setting of support 41, support 42's transversal personally submits "U" word shape setting and both sides face laminate with support 41's both ends terminal surface respectively, it is fixed to press from both sides through bolt and nut between support 42 and the support 41, frictional force after pressing from both sides through bolt and nut guarantees that nozzle assembly 4 can not be because of gravity landing, so, can utilize the cooperation between support 42 and the support 41 to simply realize support 41 can dismantle the rotation connection relation between support 42, adjust nozzle 1 angle through runing rest 42, make and to adjust suitable position.

The working process of the utility model is as follows: the air flow with the powder particles is conveyed to the nozzle assembly 4 from the outside and is sprayed out from the nozzle 1 towards the surface of the casting; then the motor 322 is controlled to work, the annular frame 31 can be driven by the driving device 32 to rotate circumferentially by the axis of the annular frame 31 through the cooperation among the motor 322, the gear 323 and the arc-shaped rack 321, so that each nozzle assembly 4 can be driven by the annular frame 31 to move back and forth within a certain range, and each nozzle assembly 4 can perform air injection to clean the surface of the casting in a designated fan-shaped area; when the driving device 32 works, the forward rotation time and the reverse rotation time of the motor 322 are controlled by the timer 324, so that each nozzle assembly 4 can do reciprocating motion, and the surface of the casting can be cleaned in multiple directions.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an adjustable nozzle for sand blasting machine, includes that a plurality of are located nozzle (1) of sandblast machine indoor body, its characterized in that: the device is characterized by also comprising a rack (2) fixed on a top plate of the sand blasting machine chamber body, wherein the rack (2) comprises a plurality of hanging racks (21) which are vertically arranged and are circumferentially and equidistantly distributed along the axis of the top plate of the sand blasting machine chamber body; the sand blasting machine is characterized by further comprising a rotating assembly (3) arranged on the rack (2), wherein the rotating assembly (3) comprises an annular frame (31) which is arranged between the hangers (21) and is coaxially arranged with the top of the sand blasting machine chamber body, and a driving device (32) which is arranged on the top plate of the sand blasting machine chamber body and is used for driving the axis of the annular frame (31) to rotate in the circumferential direction; the nozzle assembly is characterized by further comprising a plurality of nozzle assemblies (4) which are arranged along the circumferential direction of the annular frame (31) at equal intervals and used for respectively connecting the nozzles (1) to the annular frame (31).

2. The adjustable nozzle for a sander according to claim 1, wherein: each hanger (21) comprises an upper plate (211) horizontally arranged in a manner of being attached to a top plate of a sand blasting machine chamber body, a lower plate (212) symmetrically arranged below the upper plate (211) and a vertical plate (213) arranged between the upper plate (211) and one end, far away from the circle center of the annular frame (31), of the lower plate (212), and each lower plate (212) is rotatably connected with a first roller bearing (5) with an axis vertically arranged and an outer wall abutted to the inner wall of the annular frame (31).

3. The adjustable nozzle for a sander according to claim 2, wherein: and each lower plate (212) is rotatably connected with a second roller bearing (6) of which the axis is horizontally arranged and the outer wall is abutted against the lower surface of the annular frame (31).

4. The adjustable nozzle for a sander according to claim 1, wherein: the annular frame (31) is formed by splicing a plurality of connecting strips (311) which are arranged in an arc shape to form an annular arrangement, one end of each connecting strip (311) is provided with an upward notch, the other end of each connecting strip is provided with a downward notch, and when any two adjacent connecting strips (311) are spliced, the upward end of the notch of one connecting strip (311) is fixedly locked with the downward end of the notch of the other connecting strip (311) through a screw.

5. The adjustable nozzle for a sander according to claim 1, wherein: the driving device (32) comprises an arc-shaped rack (321) which is fixed on the annular frame (31) and is coaxially arranged with the annular frame (31), a motor (322) which is arranged on a top plate of the sandblasting machine chamber body and is vertically arranged on a motor shaft, and a gear (323) which is arranged on the motor shaft of the motor (322) and is meshed with the arc-shaped rack (321).

6. The adjustable nozzle for a sander according to claim 5, wherein: the driving device (32) further comprises a timer (324) in control connection with the motor (322), the motor (322) is set to be a servo motor with a forward and reverse rotation function, each nozzle assembly (4) is arranged along the radial direction of the annular frame (31), and the included angle between the axes of the nozzle assemblies (4) which are arranged randomly and adjacently is slightly smaller than the radian of the arc-shaped rack (321).

7. The adjustable nozzle for a sander according to claim 6, wherein: the both ends of arc rack (321) all are provided with gag lever post (7) towards the axis setting of arc rack (321), when the end limit of arc rack (321) removed to gear (323) department, set up gag lever post (7) and gear (323) butt in arc rack (321) end limit.

8. The adjustable nozzle for a sander according to claim 1, wherein: each nozzle assembly (4) including fixed setting in support (41) on ring frame (31) inner wall, rotate with support (41) and be connected support (42) and set up connecting rod (43) in support (42) upper surface in order to be used for fixed nozzle (1) with support (41), nozzle (1) outer wall cover is equipped with mounting (44), through articulated connection between connecting rod (43) and mounting (44).

9. The adjustable nozzle for a sander according to claim 8, wherein: keep away from the one end of ring frame (31) on support (41) and be provided with one through-hole (8), the both ends of through-hole (8) and the both sides terminal surface intercommunication setting of support (41), the transversal setting of personally submitting "U" word shape of personally submitting of support (42) and both sides face laminate with the both ends terminal surface of support (41) respectively, it is fixed to press from both sides through bolt and nut between support (42) and support (41).

10. The adjustable nozzle for a sander according to claim 2, wherein: and reinforcing webs (9) are arranged between the upper plate (211) and the vertical plate (213) and between the vertical plate (213) and the lower plate (212).