CN214923556U

CN214923556U - Environment-friendly sand blasting machine

Info

Publication number: CN214923556U
Application number: CN202120867301.XU
Authority: CN
Inventors: 张英华; 张星忠
Original assignee: Foshan Sandwell Machinery Co ltd
Current assignee: Foshan Sandwell Machinery Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-30
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an environment-friendly sand blasting machine, which comprises a conveying device and a sand blasting assembly used for performing sand blasting treatment on a workpiece, wherein the conveying device is provided with a conveying belt used for conveying the workpiece, the sand blasting assembly is arranged above the corresponding conveying belt, and a through hole used for sand grains to pass through is formed on the conveying belt; wherein, the conveyer belt includes upper band portion and lower floor's band portion, conveyor is equipped with the funnel that is used for receiving the sand grain, the funnel sets up between upper band portion and lower floor's band portion, conveyor is equipped with and is used for the horizontal auger delivery module with the sand grain exhaust in the funnel, horizontal auger delivery module includes horizontal tube and first helical blade, first helical blade sets up in horizontal tube, the funnel is formed with the lower extreme export, the upper portion and the lower extreme export intercommunication setting of horizontal tube, horizontal tube sets up between upper band portion and lower floor's band portion. The utility model discloses an environment-friendly sand blasting machine's sand grain is retrieved effectually, and is favorable to the environmental protection.

Description

Environment-friendly sand blasting machine

Technical Field

The utility model relates to a sand blasting machine field, concretely relates to environment-friendly sand blasting machine.

Background

In order to meet the increasing appearance requirements of people on furniture, sand blasting machines for performing sand blasting treatment on furniture parts are available. The sand blasting machine is mainly provided with a sand blasting assembly and a conveying device, wherein the conveying device is provided with a conveying belt for conveying workpieces (namely furniture parts), the conveying belt is supported by a roller to form a flat ring shape, so that the conveying belt forms an upper layer belt part and a lower layer belt part, the upper layer belt part is used for contacting the workpieces, the conveying belt is driven by a corresponding motor to operate, and then the upper layer belt part and the lower layer belt part are in dynamic circulation position exchange when the conveying belt operates; the work piece is through the below of the sand blasting gun of sandblast subassembly, a plurality of sand blasting guns carry out sand blasting to the work piece multi-angle ground, make the work piece form the frosting, the sand grain need be retrieved and recycled, then the array arrangement has the through-hole that is used for the sand grain to pass through on the conveyer belt, the sand grain drops from foretell through-hole, the below of conveyer belt is equipped with the funnel, the lower extreme of funnel is connected with auger delivery assembly, auger delivery assembly carries the sand grain of retrieving to the sand blasting subassembly inhale sand pipe, the sand grain is inhaled in the storage sand bucket of sandblast subassembly, the sand blasting subassembly recycles compressed air and will store up the sand grain in the sand bucket and spout through the sand blasting gun, thereby the sand grain can recycle. During the sand blasting process, wood chips and wood dust can be generated, the impurities can also fall to the funnel through the through holes of the conveying belt, the funnel is arranged below the whole conveying belt in a flat ring shape, so that the sand grains and the impurities can fall to the funnel only through the through holes of the upper layer belt part and the lower layer belt part, but because the upper layer belt part and the lower layer belt part operate circularly, part of the impurities falling on the lower layer belt part can be moved away from the corresponding upper part of the funnel by the lower layer belt part along the opposite direction of the movement of the workpiece, so that the impurities and some sand grains are transferred to the inlet end of the conveying device by the lower layer belt part, the impurities can be accumulated between the roller and the lower layer belt part to influence the operation of the conveying belt, the impurities can also fall to the ground, the recovery effect of the sand grains is not good, the working environment of a workshop is influenced, the breathing health of workers is influenced due to the drift of the wood dust, and the environment protection of the sand blasting machine in the prior art is not good, there is a need for an improved prior art blasting machine.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide an environment-friendly sand blasting machine, it is favorable to the sand grain to retrieve, and is favorable to the environmental protection.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses an environment-friendly sand blasting machine, which comprises a conveying device and a sand blasting component used for performing sand blasting treatment on a workpiece, wherein the conveying device is provided with a conveying belt used for conveying the workpiece, the sand blasting component is arranged above the corresponding conveying belt, a through hole used for sand grains to pass through is formed on the conveying belt, wherein the conveying belt comprises an upper belt part and a lower belt part, the conveying device is provided with a funnel used for receiving sand grains, the funnel is arranged between the upper belt part and the lower belt part, the conveying device is provided with a transverse auger conveying component used for discharging the sand grains in the funnel, the transverse auger conveying component comprises a transverse pipe shell and a first helical blade, the first helical blade is arranged in the transverse pipe shell, the funnel is provided with a lower end outlet, the upper part of the transverse pipe shell is communicated with the lower end outlet, the transverse cartridge is disposed between the upper band portion and the lower band portion.

Preferably, the quantity of funnel is established to two, two the funnel is arranged side by side, lower extreme export sets up along longitudinal extension, conveyor be equipped with be used for with sand in the funnel carries extremely horizontal auger delivery subassembly of horizontal auger delivery subassembly, vertical auger delivery subassembly includes vertical tube and second helical blade, the second helical blade sets up in the vertical tube, vertical tube is on a parallel with the lower extreme export, horizontal tube perpendicular to vertical tube, the upper portion of vertical tube with correspond lower extreme export intercommunication sets up, vertical tube with horizontal tube intercommunication sets up, first helical blade locates second helical blade's below.

Preferably, the funnel is provided with a filter plate for filtering impurities above the outlet at the lower end, and the filter plate is provided with filter holes.

Preferably, the funnel is in the corresponding top of horizontal tube shell is equipped with the filter screen, the filter screen is located the top of filter, the filter screen is formed with the mesh, the mesh is less than the filtration pore.

Preferably, the conveying device further comprises two feeding and discharging end brushes, and the two feeding and discharging end brushes are respectively in contact connection with the upper surfaces of the two ends of the upper-layer belt portion.

Compared with the prior art, the utility model, its beneficial effect is: through setting up the funnel between upper band portion and lower floor's band portion, be favorable to sand grain to retrieve, avoid the operation of conveyer belt and the operational environment in workshop to receive the influence, thereby be favorable to the environmental protection.

Drawings

Fig. 1 is the schematic sectional structural view of the sand blasting machine of the present invention.

Fig. 2 is a schematic perspective view of the conveying device of the present invention.

Fig. 3 is a schematic perspective view of the conveyor of the present invention with the conveyor belt removed according to fig. 2.

Fig. 4 is a perspective view of fig. 3 with the conveyor belt carrier removed.

Fig. 5 is a schematic perspective view of the combination of the funnel and the horizontal tube shell of the present invention in the top view direction.

Fig. 6 is a schematic view of the three-dimensional structure of the funnel and the horizontal tube shell combined in the bottom view direction of the present invention.

Fig. 7 is a schematic sectional view of the conveyor belt, the funnel, the filter plate, the filter screen, the first helical blade and the second helical blade of the present invention in the front view direction.

Description of reference numerals: 1-a conveying device; 11-a conveyor belt; 111-upper band portion; 112-lower band portion; 12-a scaffold; 13-conveyor belt carriages; 14-a funnel; 141-a filter plate; 142-a filter screen; 143-lower end outlet; 15-a longitudinal auger conveying assembly; 151-longitudinal envelope; 152-a first helical blade; 16-a transverse auger conveying assembly; 161-transverse shells; 162-a second helical blade; 17-charging and discharging end brush; 18-a roller; 2-a cyclone separator; 3-a sand roller dust removal assembly; 4-a sandblasting assembly; through-hole-1101.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model discloses an environment-friendly sand blasting machine, as shown in fig. 1, including conveyor 1 and be used for carrying out sand blasting to the work piece subassembly 4 that sandblasts, as shown in fig. 2 and 7, conveyor 1 is equipped with the conveyer belt 11 that is used for carrying the work piece, as shown in fig. 1, sandblast subassembly 4 sets up in the corresponding top of conveyer belt 11, is formed with the through-hole 1101 that is used for the sand grain to pass through on the conveyer belt 11 (it is noted that, has only schematically drawn the above-mentioned through-hole 1101 of a part region of conveyer belt 11 in fig. 2). As shown in fig. 7, the conveyor belt 11 is supported and tensioned by the rollers 18 such that the conveyor belt 11 includes an upper belt portion 111 and a lower belt portion 112, the conveyor belt 11 is driven by a first motor, the upper belt portion 111 and the lower belt portion 112 dynamically cyclically change positions while the conveyor belt 11 is running, and an upper surface of the upper belt portion 111 is used to contact a workpiece. As shown in fig. 2 to 7, the conveyor 1 is provided with a hopper 14 for receiving sand, the hopper 14 is provided between an upper belt portion 111 and a lower belt portion 112, the conveyor 1 is provided with a bracket 12, as shown in fig. 3, the bracket 12 is fixedly connected with a belt bracket 13, the belt bracket 13 is provided between the upper belt portion 111 and the lower belt portion 112, and the belt bracket 13 is used for supporting the upper belt portion 111, so that the upper belt portion 111 can be kept in a generally horizontal state when conveying a workpiece. The upper end opening of the hopper 14 is connected to the upper portion of the frame 12, and the width of the sand receiving range of the hopper 14 in the lateral direction (i.e., the front-rear direction in the view of fig. 1) is larger than the width of the conveyor belt 11 (referring to the width dimension of the conveyor belt 11 in the lateral direction). As shown in fig. 1, the conveyor 1 is provided with a lateral auger delivery unit 16 for discharging the sand in the hopper 14, the lateral auger delivery unit 16 is conventional, as shown in fig. 6 and 7, the lateral auger delivery unit 16 includes a lateral casing 161 and a first helical blade 162, the first helical blade 162 is provided in the lateral casing 161, as shown in fig. 5, the hopper 14 is formed with a lower end outlet 143, an upper portion of the lateral casing 161 is provided in communication with the lower end outlet 143, and as shown in fig. 7, the lateral casing 161 is provided between the upper belt portion 111 and the lower belt portion 112.

The utility model discloses a sand blasting machine's work flow as follows: the workpiece is placed on the upper layer belt part 111 of the conveyer belt 11, the workpiece is conveyed by the conveyer belt 11 from right to left, the workpiece passes below the sand blasting guns of the sand blasting assembly 4, the plurality of sand blasting guns blast the workpiece at multiple angles to form a sand blasting surface, sand impacts the surface of the workpiece to generate wood chips, wood dust and other impurities, the sand and the impurities falling onto the upper layer belt part 111 directly fall into the hopper 14 from the through hole 1101, the sand and the impurities are deposited at the bottom of the hopper 14 and then enter the transverse pipe shell 161, the transverse auger conveying assembly 16 is provided with a second motor for driving the first helical blade 162 to rotate, so that the first helical blade 162 can transfer the sand to the sand suction pipe of the sand blasting assembly 4, then the sand is sucked into the sand storage barrel of the sand blasting assembly 4, the sand blasting assembly 4 utilizes compressed air to spray the sand in the sand storage barrel through the sand blasting guns, so that the sand grains can be recycled. Compared with the prior art, because the utility model discloses a funnel 14 sets up between upper band portion 111 and lower band portion 112, so sand grain and debris all only need pass a conveyer belt 11 just can fall into funnel 14 in, the swift high efficiency of recovery of sand grain is favorable to the sand grain to be retrieved, on sand grain and debris can not fall lower band portion 112, avoid the operation of conveyer belt 11 and the operational environment in workshop to receive the influence to be favorable to the environmental protection.

Further, as shown in fig. 5 and 6, the number of the hoppers 14 is set to two, the two hoppers 14 are arranged side by side, the lower outlet 143 of the two hoppers 14 extends in the longitudinal direction (the "longitudinal direction" mentioned above means the left-right direction in the view of fig. 1), that is, the lower outlet 143 is configured to be elongated, as shown in fig. 1, the transporting device 1 is provided with a longitudinal auger transporting assembly 15 for transporting the sand grains in the hoppers 14 to the transverse auger transporting assembly 16, as shown in fig. 6 and 7, the longitudinal auger transporting assembly 15 includes a longitudinal pipe shell 151 and a second helical blade 152, the second helical blade 152 is provided in the longitudinal pipe shell 151, the longitudinal auger transporting assembly 15 is provided with a third motor for driving the second helical blade 152 to rotate, the longitudinal pipe shell 151 is parallel to the lower outlet 143, the transverse pipe shell 161 is perpendicular to the longitudinal pipe shell 151, the upper portion of the longitudinal pipe shell 151 is communicated with the corresponding lower outlet 143, the longitudinal pipe shell 151 is communicated with the transverse pipe shell 161, and the first helical blade 162 is arranged below the second helical blade 152; more specifically, as shown in fig. 6, the transverse casing 161 can be connected to the middle of the longitudinal casing 151, the rotation direction of the second helical blade 152 positioned at the left side of the first helical blade 162 is opposite to the rotation direction of the second helical blade 152 positioned at the right side of the first helical blade 162, and the two opposite rotation directions of the second helical blades 152 are wound on the same rotating shaft, so that the longitudinal auger conveying assembly 15 can transfer sand grains and impurities falling from the lower outlet 143 of the hopper 14 shown in fig. 5 into the transverse casing 161; the sand grains of the corresponding hopper 14 are respectively transferred into the transverse pipe shell 161 through two groups of longitudinal auger conveying assemblies 15, and then the sand grains are transferred to the sand suction pipe of the sand blasting assembly 4 through the transverse auger conveying assembly 16. The prior art sand blasting machine applied to the furniture manufacturing industry is also provided with a cyclone separator 2 and a sand roller dust removal component 3, the cyclone separator 2 is used for absorbing air containing dust in the sand blasting machine and separating the dust from the air, the sand roller dust removal component 3 is provided with a sand belt roller for polishing a workpiece subjected to sand blasting treatment and a dust suction device for sucking wood dust on the surface of the workpiece, so the size of the prior art sand blasting machine along the moving direction of the workpiece is larger, the prior art sand blasting machine is only provided with a group of transverse auger conveying components 16, therefore, sand grains or sundries falling from the left end part and the right end part of a conveying belt 11 can reach a transverse pipe shell 161 only by rolling down a long path, and the utility model sets a lower end outlet 143 of a funnel 1 along the longitudinal extension and sets two funnels 14 which are arranged side by side, so that the path of the sand grains and the sundries falling to the corresponding lower end outlet 143 is shortened, is beneficial to improving the recovery efficiency of the sand grains and avoiding the accumulation of the sand grains in the hopper 14.

Further, as shown in fig. 4 and 7, a filter plate 141 for filtering impurities is disposed above the lower outlet 143 of the hopper 14, a filter hole is formed in the filter plate 141, the diameter of the filter hole can be set to 9 mm to 11 mm, the distance between the filter holes can be set to 28 mm to 32 mm, and the filter plate 141 is configured to filter scrap pieces or other objects of a larger size, so as to prevent the lateral auger conveying assembly 16 or the longitudinal auger conveying assembly 15 from being blocked.

Further, as shown in fig. 4 and 7, a filter screen 142 is disposed above the horizontal tube shell 161 of the funnel 14, the filter screen 142 is disposed above the filter plate 141, the filter screen 142 is formed with meshes, the meshes are smaller than the filter holes, specifically, the area of the meshes is smaller than the area of the filter holes, the filter screen 142 can be a nylon filter screen with a specification of 20 meshes per square inch, because the two sets of longitudinal auger conveying assemblies 15 both transfer sand grains and impurities into the horizontal tube shell 161, the flow rate in the horizontal tube shell 161 is large, and in order to ensure that the horizontal tube shell 161 is not blocked, the filter screen 142 is disposed for further filtering the impurities, so that the volume of the impurities directly entering the horizontal tube shell 161 is small.

Further, as shown in fig. 2, conveyor 1 still includes two business turn over material end brushes 17, and two business turn over material end brushes 17 are connected with the both ends upper surface contact of upper band portion 111 respectively (refer to both ends about upper band portion 111 under the visual direction of fig. 2), that is to say, business turn over material end brushes 17 set up respectively at the feed end and the discharge end of conveyer belt 11, and business turn over material end brushes 17 can block the utility model discloses an inside wood flour dirt of sand blasting machine avoids wood dirt to escape outside the sand blasting machine from the feed end and the discharge end of conveyer belt 11 to be favorable to the environmental protection, when the work piece passes through the business turn over material end brushes 17 that corresponds, the work piece pushes away the brush hair that bends corresponding position, thereby the work piece can pass through the feed end and the discharge end of conveyer belt 11 smoothly.

Claims

1. The utility model provides an environment-friendly sand blasting machine, includes conveyor (1) and is used for carrying out sand blasting unit (4) to the work piece, conveyor (1) is equipped with conveyer belt (11) that are used for carrying the work piece, sand blasting unit (4) set up the corresponding top of conveyer belt (11), be formed with through-hole (1101) that are used for the sand grain to pass through on conveyer belt (11), its characterized in that: the conveyor belt (11) comprises an upper belt part (111) and a lower belt part (112), the conveying device (1) is provided with a funnel (14) for receiving sand, the funnel (14) is arranged between the upper belt part (111) and the lower belt part (112), the conveying device (1) is provided with a transverse auger conveying assembly (16) for discharging sand grains in the hopper (14), the transverse auger conveying component (16) comprises a transverse pipe shell (161) and a first helical blade (162), the first helical blade (162) is disposed within the transverse tube shell (161), the hopper (14) is provided with a lower end outlet (143), the upper part of the transverse pipe shell (161) is communicated with the lower end outlet (143), the lateral tube shell (161) is disposed between the upper band portion (111) and the lower band portion (112).

2. The environment-friendly sandblasting machine as claimed in claim 1, wherein: the number of said funnels (14) is set to two, the two funnels (14) being arranged side by side, the lower end outlet (143) is arranged along the longitudinal extension, the conveying device (1) is provided with a longitudinal packing auger conveying component (15) used for conveying the sand grains in the hopper (14) to the transverse packing auger conveying component (16), the longitudinal auger conveying component (15) comprises a longitudinal pipe shell (151) and a second helical blade (152), the second helical blade (152) being arranged in the longitudinal shell (151), said longitudinal shells (151) being parallel to said lower end outlet (143), said transverse shells (161) being perpendicular to said longitudinal shells (151), the upper part of the longitudinal pipe shell (151) is communicated with the corresponding lower end outlet (143), the longitudinal pipe shell (151) is communicated with the transverse pipe shell (161), and the first helical blade (162) is arranged below the second helical blade (152).

3. The environment-friendly sandblasting machine as claimed in claim 2, wherein: the funnel (14) is in the corresponding top of lower extreme export (143) is equipped with filter plate (141) that are used for filtering debris, be formed with the filtration hole on filter plate (141).

4. The environment-friendly sandblasting machine as claimed in claim 3, wherein: funnel (14) are in the corresponding top of horizontal tube shell (161) is equipped with filter screen (142), filter screen (142) are located the top of filter (141), filter screen (142) are formed with the mesh, the mesh is less than the filtration pore.

5. The environment-friendly sandblasting machine as claimed in claim 1, wherein: the conveying device (1) further comprises two feeding and discharging end brushes (17), and the two feeding and discharging end brushes (17) are respectively in contact connection with the upper surfaces of the two ends of the upper-layer belt part (111).