CN112428153B - Sheet metal box inner cavity corner grinding and polishing robot production line - Google Patents
Sheet metal box inner cavity corner grinding and polishing robot production line Download PDFInfo
- Publication number
- CN112428153B CN112428153B CN202011253739.5A CN202011253739A CN112428153B CN 112428153 B CN112428153 B CN 112428153B CN 202011253739 A CN202011253739 A CN 202011253739A CN 112428153 B CN112428153 B CN 112428153B
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- sand blasting
- polishing
- hole
- lateral
- holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/085—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces the travelling workpieces being moved into different working positions during travelling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
- B24C3/12—Apparatus using nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a production line of a sheet metal box inner cavity corner grinding and polishing robot, which comprises a conveying table, three cross sliding table devices, a rough polishing device, a corner grinding device and a fine polishing device, wherein the conveying table is arranged on the conveying table; the corner polishing device comprises a connecting plate, a forward sand blasting body, a rotary driving mechanism and two lateral sand blasting bodies; the positive sand blasting body is rotatably connected to the connecting plate and provided with a first chamfering part, and the first chamfering part is provided with a plurality of first sand blasting through holes and a plurality of first scrap discharging through holes; the two lateral sand blasting bodies are symmetrically and rotatably arranged on the left side and the right side of the first chamfer part, each lateral sand blasting body is provided with a second chamfer part, each second chamfer part is obliquely inclined backwards, and each second chamfer part is provided with a second chip removal through hole and a plurality of second sand blasting through holes; the metal plate box body polishing device improves the polishing area range, improves the polishing effect of corner parts in the inner cavity of the metal plate box body, solves the problem that polishing dead angles generated by corner polishing are large, and avoids excessive polishing of vertical surfaces near the corner parts.
Description
Technical Field
The invention relates to a production line of a polishing robot for corners of an inner cavity of a sheet metal box.
Background
The sheet metal box part with the cuboid structure is the most common sheet metal part in sheet metal forming products, and is widely applied to various fields such as machinery, electronics, electric power, transportation and the like.
The panel beating box is handling the surface and is going to the processing of polishing to it toward needs, because the three direction in its corner position all has the facade, and the space is narrow and small for current disk polisher can't be applicable to the processing of polishing to corner position, and whole sandblast mode is because panel beating box facade shelters from the effect, makes the effect of polishing not good enough, also can cause excessive polishing to the facade near the corner simultaneously.
Disclosure of Invention
The invention aims to overcome the defects and provide a production line of a polishing robot for corners of an inner cavity of a sheet metal box.
In order to achieve the purpose, the invention adopts the following specific scheme:
a production line of a sheet metal box inner cavity corner grinding and polishing robot comprises a conveying table, three cross sliding table devices arranged above the conveying table at intervals, a rough polishing device, a corner grinding device and a fine polishing device; the rough polishing device, the corner polishing device and the fine polishing device are sequentially arranged at the output ends of the three cross sliding table devices in a one-to-one correspondence mode.
The corner polishing device further comprises a connecting plate, a forward sand blasting body, a rotary driving mechanism and two lateral sand blasting bodies;
the connecting plate is fixed on the output end of the cross sliding table device; the positive sand blasting body is rotationally connected to the connecting plate, a first chamfer part is arranged at the junction of the front surface and the bottom surface of the positive sand blasting body, the first chamfer part is provided with a plurality of first sand blasting through holes and a plurality of first chip removing through holes, and the first sand blasting through holes and the first chip removing through holes are distributed at intervals; the rotary driving mechanism is arranged on the connecting plate, and the output end of the rotary driving mechanism is connected with the positive sand blasting body; two side direction sandblast body symmetries are rotated and are located the left and right sides of first chamfer, the side direction sandblast body has second chamfer, second chamfer inclines the setting backward, second chamfer is equipped with second chip removal through-hole and a plurality of second sandblast through-hole, a plurality of second sandblast through-holes dispersion sets up.
Further, the lateral blasting body has a working state and an idle state; in the working state, the second sand blasting through hole is communicated with the first sand blasting through hole, and the second chip removal through hole is communicated with the first chip removal through hole; when the idle state is in, the second sand blasting through hole is not communicated with the first sand blasting through hole, and the second chip removal through hole is not communicated with the first chip removal through hole.
Further, the positive sand blasting body is respectively provided with an air cylinder driving mechanism corresponding to the two lateral sand blasting bodies; the lateral sand blasting body is provided with a transposition spiral groove, and the rotation amplitude of the transposition spiral groove is 90 degrees; the lateral sand blasting body is sleeved with a torsion spring for resetting the lateral sand blasting body; the output end of the air cylinder driving mechanism is matched with the transposition spiral groove to drive the lateral sand blasting body to rotate and enable the lateral sand blasting body to be positioned and locked.
Furthermore, a layer of first sponge cushion pad is arranged on each of the front surface and the bottom surface of the positive sand blasting body; each lateral sand blasting body is coated with a layer of second sponge cushion pad matched with the shape and the contour of the lateral sand blasting body, and the second chamfer part is exposed outside.
Furthermore, the plurality of first sand blasting through holes and the plurality of first scrap discharging through holes are sequentially arranged in a staggered and regular manner.
Further, the aperture of the first sand blasting through hole is smaller than that of the first chip removing through hole; the aperture of the second sand blasting through hole is smaller than that of the second chip removal through hole.
The invention has the beneficial effects that: according to the invention, the lateral sand blasting bodies are respectively and rotatably arranged on the two sides of the forward sand blasting body, the sand blasting through hole and the chip removal through hole are respectively arranged on the forward sand blasting body and the lateral sand blasting body, the second chamfer part of the lateral sand blasting body is used for carrying out sand blasting and grinding on the corner part, and the chips and the sand grains generated by grinding are synchronously and timely discharged through the chip removal through hole, so that the grinding area range is improved, the grinding effect of the corner part in the inner cavity of the sheet metal box body is improved, the problem of large grinding dead angle generated by corner grinding is solved, and meanwhile, the forward sand blasting body and the lateral sand blasting body synchronously operate when the corner part is ground, and excessive grinding of the vertical face near the corner part is avoided.
The sheet metal box polishing machine realizes the sheet metal box production line type polishing operation, improves the working efficiency of the sheet metal box polishing, and is beneficial to automatic production.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged partial schematic view at I of FIG. 1;
FIG. 3 is a perspective view of the present invention;
fig. 4 is a perspective view of the invention with two lateral blasting bodies in an idle condition;
fig. 5 is a perspective view of the invention with one of the lateral blasting bodies in the working condition;
FIG. 6 is a view showing a state of use when the present invention is applied to corner position grinding;
FIG. 7 is a perspective view of a positive blast body of the present invention;
FIG. 8 is a schematic structural view of a structure of a forward blasting body portion of the present invention;
fig. 9 is a schematic structural view of the lateral blasting body of the invention;
description of reference numerals: a1, a transmission platform; a2, a cross sliding table device; a3, rough polishing device; a4, a corner grinding device; a5, a fine polishing device;
1. a connecting plate; 2. a positive blast body; 21. a first chamfered portion; 22. a first sand blast through hole; 23. a first chip-removal through hole; 24. a cylinder driving mechanism; 25. a first sponge cushion; 3. a rotation driving mechanism; 4. a lateral sandblasting body; 41. a second chamfered portion; 42. a second chip removal through hole; 43. a second sandblasted through-hole; 44. indexing the spiral groove; 45. a torsion spring; 46. a second sponge cushion.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 9, the production line of the robot for grinding and polishing the corners of the inner cavity of the sheet metal box body in the embodiment includes a conveying table a1, three cross sliding table devices a2 arranged above the conveying table at intervals, a rough polishing device a3, a corner grinding device a4 and a finish polishing device a 5; the rough polishing device a3, the corner grinding device a4 and the fine polishing device a5 are sequentially arranged at the output ends of the three cross sliding table devices a2 in a one-to-one correspondence mode.
Specifically, the rough polishing device a3 comprises a rough polishing disk, the fine polishing device a5 comprises a fine polishing disk, the rough polishing device a3 and the fine polishing device a5 both comprise a polishing support and a polishing driving motor, the polishing support is fixed at the output end of the cross sliding table device a2, and the polishing driving motor is fixed on the polishing support, wherein the rough polishing disk is connected to the output end of the polishing driving motor of the rough polishing device a3, the fine polishing disk is connected to the output end of the polishing driving motor of the fine polishing device a5, and the rough polishing disk and the fine polishing disk are respectively driven by the polishing driving motor to polish the sheet metal box;
during the in-service use, conveying platform a1 conveys the panel beating box that will wait to polish to rough polishing device a3 in proper order, corner grinding device a4, the below of finish polishing device a5, rough polishing device a3, corner grinding device a4, finish polishing device a5 corresponds respectively under the effect of three cross sliding table device a2, the panel beating box that treats polishing respectively carries out rough polishing processing, the processing is polished to the box corner, finish polishing, thereby accomplish the operation of polishing of the panel beating box of waiting to polish, the panel beating box after the operation of polishing is accomplished conveys the workspace by conveying platform a1, assembly line work of polishing like this, improve the work efficiency of panel beating box burnishing and polishing, do benefit to automated production.
In this embodiment, the cross sliding table device a2 preferably adopts a linear motor mechanism to cooperate with the electromagnetic push rod to realize displacement in the horizontal and vertical directions, specifically, the linear motor mechanism realizes adjustment of the horizontal displacement, and the electromagnetic push rod realizes adjustment of the vertical displacement.
In this embodiment, further, the corner grinding device a4 includes a connecting plate 1, a forward blasting body 2, a rotary driving mechanism 3, and two lateral blasting bodies 4;
the connecting plate 1 is fixed on the output end of the cross sliding table device a 2; the positive sand blasting body 2 is rotatably connected to the connecting plate 1, a first chamfer 21 is arranged at the junction of the front surface and the bottom surface of the positive sand blasting body 2, the first chamfer 21 is provided with a plurality of first sand blasting through holes 22 and a plurality of first chip removing through holes 23, and the plurality of first sand blasting through holes 22 and the plurality of first chip removing through holes 23 are arranged at intervals; the rotary driving mechanism 3 is arranged on the connecting plate 1, and the output end of the rotary driving mechanism is connected with the forward sand blasting body 2; two side direction sandblast body 4 symmetries are rotated and are located the left and right sides of first chamfer 21, side direction sandblast body 4 has second chamfer 41, second chamfer 41 inclines the setting backward, second chamfer 41 is equipped with second chip removal through-hole 42 and a plurality of second sandblast through-hole 43, a plurality of second sandblast through-holes 43 dispersion sets up. In this embodiment, specifically, rotary driving mechanism 3 is the transposition motor, and transposition motor direct drive forward sandblast body 2 is rotatory, and forward sandblast body 2 drives the side direction sandblast body 4 rotation of both sides simultaneously to the operation of polishing to the different corner positions of box inner chamber, the structure is nimble.
In practical use, the whole corner polishing device a4) is fixed on a cross sliding table device a2 through a connecting plate 1, under the driving of the cross sliding table device a2, the corner polishing device a4) extends into the inner cavity of the sheet metal box, when two vertical face bevel junctions of the inner cavity of the sheet metal box need to be polished first, at this time, two lateral sand blasting bodies 4 are firstly rotated to the second bevel 41 back to the bevel junctions to be polished, namely, only the first bevel 21 of the forward sand blasting body 2 faces to the bevel to be polished, then sand blasting is carried out towards the bevel through a plurality of first sand blasting through holes 22, and under the driving of the cross sliding table device a2, the forward sand blasting body 2 is simultaneously polished along the bevel direction of the sheet metal box to the bevel junction, after the completion, the cross sliding table device a2 drives the sand blasting device a4) to move upwards for a certain distance so as to enable the lateral sand blasting bodies 4 to be displaced, then, according to the three corners (namely the corners at the junctions of the three vertical surfaces) to be polished, the lateral sand blasting body 4 close to the three corners is rotated until the second chamfer part 41 of the lateral sand blasting body 4 faces the three corners, then sand blasting polishing is carried out towards the three corners through the second sand blasting through hole 43, and meanwhile, the first sand blasting through hole 22 also faces the two vertical surface bevel parts near the three corner areas for sand blasting polishing, namely, sand blasting polishing is carried out on the two surface bevel parts and the three surface bevel parts which exist at the same time; when two sides dog-ear part is polished alone, or two sides dog-ear part and trilateral dog-ear part are polished jointly, in time will polish the piece and the sand grain absorption discharge that produce through first chip removal through-hole 23, second chip removal through-hole 42, avoid piece and sand grain to pile up and influence the effect of polishing.
And to the trilateral dog-ear part in different position, only need to drive 2 rotations of forward sandblast body through rotary driving mechanism 3, forward sandblast body 2 drives two side direction sandblast bodies 4 in step and rotates to the trilateral dog-ear part that the adaptation needs is polished at present, and the structure is more nimble, and the suitability is strong.
This embodiment sets up side direction sandblast body 4 through rotating respectively in the both sides of forward sandblast body 2, and at forward sandblast body 2, set up sandblast through-hole and chip removal through-hole on the side direction sandblast body 4 respectively, the second chamfer 41 that utilizes side direction sandblast body 4 is to the sandblast to be polished to the corner position, and in time discharge through chip removal through-hole will polish the piece and the grit that produce in step, improve the regional scope of polishing, and improve the effect of polishing at panel beating box inner chamber corner position, solve the corner and polish and produce the great problem in dead angle ratio of polishing, forward sandblast body 2 and side direction sandblast body 4 synchronous operation when the corner position is polished simultaneously, avoid causing excessive polishing to the facade near corner position.
In this embodiment, further, the lateral blasting body 4 has a working state and an idle state; in the working state, the second sand blasting through hole 43 is communicated with the first sand blasting through hole 22, and the second chip removal through hole 42 is communicated with the first chip removal through hole 23; when in the idle state, the second sand blasting through hole 43 is not communicated with the first sand blasting through hole 22, and the second chip removal through hole 42 is not communicated with the first chip removal through hole 23. By the arrangement, in the working state, the forward sand blasting body 2 and the lateral sand blasting body 4 share the same external sand grain supply source, so that the structure is simplified, and the cost is reduced; and in idle state, the side direction sandblast body 4 can not outwards sandblast to do not influence the work of positive sandblast body 2, and the structure is nimble.
In this embodiment, further, the positive blasting body 2 is provided with cylinder driving mechanisms 24 corresponding to the two lateral blasting bodies 4 respectively; an indexing spiral groove 44 is formed in the lateral sand blasting body 4, and the rotation amplitude of the indexing spiral groove 44 is 90 degrees; the lateral sand blasting body 4 is sleeved with a torsion spring 45 for resetting the lateral sand blasting body 4; the output end of the air cylinder driving mechanism 24 is matched with the indexing spiral groove 44 to drive the lateral sand blasting body 4 to rotate and position and lock the lateral sand blasting body 4.
Specifically, each cylinder driving mechanism 24 includes a piston rod and an end cover, and a cylinder groove formed in the positive blasting body 2 at a position corresponding to the indexing spiral groove 44; the piston part of the piston rod is arranged in the cylinder groove, the end cover is arranged at the opening position of the cylinder groove in a sealing manner and forms a cylinder cavity with the cylinder groove, the piston part of the piston rod divides the cylinder cavity into a rod cavity and a rodless cavity, the rod part of the piston rod penetrates through the end cover and then is embedded into the transposition spiral groove 44, and the forward sand blasting body 2 is provided with a gas circuit pipeline communicated with the rodless cavity, so that the rodless cavity can be inflated or exhausted through the gas circuit pipeline, and the piston rod is pushed to extend or retract; namely, the two cylinder driving mechanisms 24 are respectively controlled through the air path pipeline, so that the two lateral sand blasting bodies 4 can be respectively and independently controlled, initially, the lateral sand blasting bodies 4 are under the action of the torsion springs 45, the second chamfer part 41 and the first chamfer part 21 are positioned on the same side, when only the two-side bevel part is polished, the piston rod is extended out, the rod part of the piston rod is matched with the transposition spiral groove 44, the elastic action of the torsion springs 45 is overcome, the lateral sand blasting bodies 4 are pushed to rotate for 90 degrees, even if the lateral sand blasting bodies 4 are in an idle state, and meanwhile, after the lateral sand blasting bodies 4 are transposed for 90 degrees, the piston rod is matched with the transposition spiral groove 44 to position and lock the lateral sand blasting bodies 4; when the corner part is required to be polished, the piston rod is gradually retracted, the lateral sand blasting body 4 is reset under the action of the torsion spring 45, and the piston rod is matched with the transposition spiral groove 44 to perform positioning and locking of the reset state on the lateral sand blasting body 4; this ensures the uniformity of the orientation of the second chamfer 41 when the side blasting body 4 is in the working condition.
In this embodiment, further, a layer of first sponge cushion pad 25 is disposed on both the front surface and the bottom surface of the forward blasting body 2. So set up, the sealed effect of the first sponge blotter 25 of accessible and panel beating box inner chamber wall cooperation formation avoids the sandblast to fly upward, the loss, sets up the sponge blotter simultaneously and also does benefit to the internal surface of protection panel beating box inner chamber.
In this embodiment, each of the lateral blasting bodies 4 is further covered with a second sponge cushion 46 adapted to the shape and contour thereof, and the second chamfered portion 41 is exposed. So set up, accessible second sponge blotter 46 forms sealed effect with the cooperation of panel beating box inner chamber wall, so can be in each first sponge blotter 25 and each second sponge blotter 46's cooperation for the sandblast operation of polishing is gone on in a little enclosure space, thereby avoids the sandblast to fly upward, the loss, sets up the internal surface that sponge blotter also does benefit to protection panel beating box inner chamber simultaneously.
In this embodiment, further, the first sandblast through holes 22 and the first chip-removal through holes 23 are sequentially staggered and regularly arranged. So set up to improve the homogeneity of sandblast in-process sand grain and be convenient for in time discharge the piece of polishing out, avoid the piece to appear piling up and influence the effect of polishing.
In this embodiment, the diameter of the first blasting through-hole 22 is smaller than the diameter of the first chip removal through-hole 23. Through the structure setting, do benefit to and improve grit blowout speed for the effect of polishing is better, does benefit to the piece of polishing simultaneously and in time discharges, prevents to have the large granule piece of polishing to cause the chip removal passageway to block up.
In this embodiment, further, the aperture of the second blasting through hole 43 is smaller than the aperture of the second chip removal through hole 42. Through the structure setting, do benefit to and improve grit blowout speed for the effect of polishing is better, does benefit to the piece of polishing simultaneously and in time discharges, prevents to have the large granule piece of polishing to cause the chip removal passageway to block up.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (1)
1. The utility model provides a panel beating box inner chamber corner burnishing and polishing robot production line which characterized in that: the polishing device comprises a conveying table (a1) and three cross sliding table devices (a2) arranged above the conveying table at intervals, a rough polishing device (a3), a corner grinding device (a4) and a fine polishing device (a 5); the rough polishing device (a3), the corner polishing device (a4) and the fine polishing device (a5) are sequentially arranged at the output ends of the three cross sliding table devices (a2) in a one-to-one correspondence manner;
the corner grinding device (a4) comprises a connecting plate (1), a forward sand blasting body (2), a rotary driving mechanism (3) and two lateral sand blasting bodies (4); the connecting plate (1) is fixed on the output end of the cross sliding table device (a 2); the positive sand blasting body (2) is rotatably connected to the connecting plate (1), a first chamfering part (21) is arranged at the junction of the front surface and the bottom surface of the positive sand blasting body (2), the first chamfering part (21) is provided with a plurality of first sand blasting through holes (22) and a plurality of first chip removing through holes (23), and the first sand blasting through holes (22) and the first chip removing through holes (23) are arranged at intervals; the rotary driving mechanism (3) is arranged on the connecting plate (1), and the output end of the rotary driving mechanism is connected with the positive sand blasting body (2); the two lateral sand blasting bodies (4) are symmetrically and rotatably arranged on the left side and the right side of the first chamfer part (21), the lateral sand blasting bodies (4) are provided with second chamfer parts (41), the second chamfer parts (41) are obliquely inclined backwards, the second chamfer parts (41) are provided with second chip removal through holes (42) and a plurality of second sand blasting through holes (43), and the second sand blasting through holes (43) are dispersedly arranged; the lateral sandblasting body (4) has a working condition and an idle condition; in the working state, the second sand blasting through hole (43) is communicated with the first sand blasting through hole (22), and the second chip removal through hole (42) is communicated with the first chip removal through hole (23); when the chip is in the idle state, the second sand blasting through hole (43) is not communicated with the first sand blasting through hole (22), and the second chip removal through hole (42) is not communicated with the first chip removal through hole (23); the positive sand blasting body (2) is internally provided with a cylinder driving mechanism (24) corresponding to the two lateral sand blasting bodies (4) respectively; an indexing spiral groove (44) is formed in the lateral sand blasting body (4), and the rotation amplitude of the indexing spiral groove (44) is 90 degrees; the lateral sand blasting body (4) is sleeved with a torsion spring (45) used for resetting the lateral sand blasting body (4); the output end of the air cylinder driving mechanism (24) is matched with the indexing spiral groove (44) and used for driving the lateral sand blasting body (4) to rotate and positioning and locking the lateral sand blasting body (4); a layer of first sponge buffer cushion (25) is arranged on the front surface and the bottom surface of the positive sand blasting body (2); each lateral sand blasting body (4) is coated with a second sponge cushion pad (46) matched with the shape and the contour of the lateral sand blasting body, and the second chamfer part (41) is exposed; the plurality of first sand blasting through holes (22) and the plurality of first scrap discharging through holes (23) are sequentially staggered and regularly arranged; the aperture of the first sand blasting through hole (22) is smaller than that of the first chip removing through hole (23); the aperture of the second sand blasting through hole (43) is smaller than that of the second chip removal through hole (42).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011253739.5A CN112428153B (en) | 2020-11-11 | 2020-11-11 | Sheet metal box inner cavity corner grinding and polishing robot production line |
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|---|---|---|---|
| CN202011253739.5A CN112428153B (en) | 2020-11-11 | 2020-11-11 | Sheet metal box inner cavity corner grinding and polishing robot production line |
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| CN112428153B true CN112428153B (en) | 2022-05-31 |
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| CN210139308U (en) * | 2019-06-28 | 2020-03-13 | 赵惠璇 | Sand blasting unit for cell-phone shell |
| CN110919551A (en) * | 2019-11-04 | 2020-03-27 | 江苏顿科智能装备有限公司 | Sand-blasting, sand-returning and dust-removing integrated non-contact curved nozzle spray gun |
| CN211193532U (en) * | 2019-11-26 | 2020-08-07 | 盐城磊业机械科技有限公司 | Shot-blasting machine feeding device |
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