CN215661177U - Automatic feeding device for machining - Google Patents
Automatic feeding device for machining Download PDFInfo
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- CN215661177U CN215661177U CN202122072359.8U CN202122072359U CN215661177U CN 215661177 U CN215661177 U CN 215661177U CN 202122072359 U CN202122072359 U CN 202122072359U CN 215661177 U CN215661177 U CN 215661177U
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Abstract
The utility model belongs to the technical field of injection molding processing feeding, and particularly relates to an automatic feeding device for processing, which comprises a weighing mechanism, a material mixing mechanism and a material storage mechanism, wherein the weighing mechanism comprises an outer frame body, a first support leg, a control box, an audible and visual alarm, a first connecting seat, an oil cylinder, a second connecting seat, a third connecting seat, a lower bottom plate, a pressure sensor, a limiting plate, a travel switch, a weighing groove, a pin shaft and an upper bottom plate, the material mixing mechanism comprises a stirring tank, a second support leg, a support, a speed reducing motor, a baffle plate, a stirring rod, an upper connecting rod, a lower connecting rod, a stirring blade and a discharging valve, the material storage mechanism comprises a material storage tank, a third support leg, a feeding pipe, a vacuum filter, a feeding valve, a material pumping hose, an exhaust valve, an exhaust pipeline, a vacuum valve, a tank bottom valve, a discharging pipe and a pneumatic valve, the weighing mechanism can be matched with the material storage mechanism to realize automatic and accurate material weighing, effectively improve work efficiency, the stirring effect of compounding mechanism is good, can be with the material efficient misce bene of difference.
Description
Technical Field
The utility model belongs to the technical field of injection molding processing feeding, and particularly relates to an automatic feeding device for processing.
Background
Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by an injection molding machine and the die.
The injection molding raw materials are various and have granular shapes, powder shapes or a mixture of the granular shapes and the powder shapes, and the conventional injection molding feeding device has the defects that the proportioning among various ingredients is difficult, the manual weighing is needed, and the working efficiency is low; traditional agitator among the current loading attachment, the stirring dimension is single, and the stirring is even inadequately, and stirring effect is relatively poor, and then influences follow-up material loading efficiency, when adding the raw materials of moulding plastics more than two simultaneously, can't make the raw materials intensive mixing of moulding plastics more than two kinds.
SUMMERY OF THE UTILITY MODEL
The loading attachment that moulds plastics that has needs the manual weighing batching, and work efficiency is low, and the stirring is even inadequately, and stirring effect is relatively poor, when adding the raw materials of moulding plastics more than two kinds simultaneously, can't make the raw materials intensive mixing of moulding plastics more than two kinds. The utility model provides an automatic feeding device for processing, a weighing mechanism can be matched with a storage mechanism to realize automatic and accurate weighing of material proportion, the working efficiency is effectively improved, the stirring effect of a mixing mechanism is good, and different materials can be efficiently and uniformly mixed.
The utility model provides the following technical scheme: an automatic feeding device for processing comprises a weighing mechanism, a material mixing mechanism and a material storage mechanism, wherein the weighing mechanism comprises an outer frame body, a first support leg, a control box, a sound-light alarm, a first connecting seat, an oil cylinder, a second connecting seat, a third connecting seat, a lower bottom plate, a pressure sensor, a limiting plate, a travel switch, a weighing groove, a pin shaft and an upper bottom plate, the bottom surface of the outer frame body is fixedly connected with the top end of the first support leg, the side surface of the outer frame body is fixedly provided with the control box and the sound-light alarm, the inner bottom surface of the outer frame body is fixedly provided with the first connecting seat, the first connecting seat is rotatably connected with one end of the oil cylinder, the other end of the oil cylinder is rotatably connected with the second connecting seat fixedly arranged on the bottom surface of the lower bottom plate, the third connecting seat is fixedly arranged on the bottom surface of the lower bottom plate on one side of the second connecting seat, and the third connecting seat is rotatably connected with the pin shaft fixedly arranged on the inner wall of the outer frame body, the top surface of the lower bottom plate is fixedly provided with a pressure sensor, the upper side of the lower bottom plate is slidably sleeved with an upper bottom plate, the top surface of the upper bottom plate is fixedly provided with a weighing tank, the bottom surface of the upper bottom plate is fixedly connected with a limiting plate, the inner wall of an outer frame body below the limiting plate is fixedly provided with a travel switch, the mixing mechanism comprises a stirring tank, a second supporting leg, a support, a speed reducing motor, a baffle, a stirring rod, an upper connecting rod, a lower connecting rod, a stirring blade and a discharging valve, the bottom of the stirring tank is fixedly provided with the discharging valve, the side surface of the stirring tank is fixedly connected with the top end of the second supporting leg, the top of the stirring tank is fixedly provided with the support, the support is fixedly provided with the speed reducing motor and the baffle, the output shaft of the speed reducing motor is fixedly connected with the top end of the stirring rod, and the upper side and the lower side of the stirring rod are respectively and fixedly connected with one end of the upper connecting rod and one end of the lower connecting rod, the side surfaces of the upper connecting rod and the lower connecting rod are respectively and fixedly connected with the upper end and the lower end of the stirring blade, the storage mechanism comprises a storage tank, a third supporting leg, a feeding pipe, a vacuum filter, a feeding valve, a material pumping hose, an exhaust valve, an exhaust pipeline, a vacuum valve, a vacuum pipeline, a tank bottom valve, a discharging pipe and a pneumatic valve, the bottom side of the storage tank is fixedly connected with the top end of the third supporting leg, the top of the storage tank is fixedly connected with one end of the feeding pipe, the vacuum filter arranged in the storage tank is fixedly connected with one end of the vacuum pipeline, the other end of the feeding pipe is respectively and fixedly connected with the material pumping hose and the exhaust pipeline through the feeding valve and the exhaust valve, the other end of the vacuum pipeline is fixedly connected with the vacuum pipeline through the vacuum valve, the bottom end of the storage tank is fixedly provided with a tank bottom valve, and the tank bottom valve is fixedly connected with one end of the discharging pipe, and the other end of the blanking pipe is fixedly provided with a pneumatic valve.
The inner side surface of the upper bottom plate is connected with the side surface of the lower bottom plate in a sliding mode, the limiting plate is fixedly connected with the bottom surface of the upper bottom plate through bolts, and the inner length/inner width/inner diameter of the limiting plate is 0.5-5 cm smaller than the length/width/diameter of the lower bottom plate; the upper base plate can cooperate with the limiting plate to limit the relative position of the lower base plate and the upper base plate, and the lower base plate is prevented from being separated from the upper base plate.
The longitudinal section of the weighing groove is of a trapezoidal structure with a wide upper part and a narrow lower part, the control box is electrically connected with the pressure sensor and the pneumatic valve, when the bottom surface of the limiting plate is in press contact with a contact of the travel switch to close a circuit of the travel switch, the lower end surface of the lower bottom plate is parallel to the horizontal plane, the upper end surface and the lower end surface of the lower bottom plate are parallel to each other, and the pneumatic valve is positioned right above the weighing groove; the control box can detect the weight of the material in the weighing groove through the pressure sensor, and then timely controls the closing of the pneumatic valve, so that automatic accurate quantity control charging is realized.
The acousto-optic alarm and the travel switch are electrically connected with the control box; after the oil cylinder contracts to drive the weighing groove to reset and touch the travel switch, if the resistance value of the pressure sensor is different from the set initial threshold value, the sound-light alarm gives an alarm to remind an operator to check whether residual materials exist in the weighing groove, and the accurate control of the materials is ensured.
The mixing mechanism is arranged on one side of the weighing mechanism, when the oil cylinder stretches to the maximum stroke, the open end of the weighing tank is positioned right above the stirring tank, two ends of the pin shaft are fixedly connected with the inner wall of the outer frame body, and the control box is electrically connected with a pipeline electromagnetic valve of the oil cylinder; the automatic feeding function can be realized through the flexible of hydro-cylinder, and the material of accurate accuse volume in the weighing tank is automatic to be put into the agitator tank, avoids the human labor.
The stirring blade consists of two conical spiral belts with opposite rotation directions and different diameters, and the extension lines of the axes of the lower connecting rod and the upper connecting rod pass through the axis of the stirring rod and form an included angle of 90 degrees with the axis of the stirring rod; stirring leaf stirring effect is good, can stir the multiple material of input in the agitator tank under gear motor's drive, and the material efficient misce bene of will difference.
The bracket is of a T-shaped structure, and the included angle between the baffle and the bracket is 90 degrees; the support of T font structure can provide stable support for gear motor under the prerequisite that does not influence the weighing tank and throw the material in to the agitator tank.
The utility model has the beneficial effects that: the upper bottom plate can be matched with the limiting plate to limit the relative position of the lower bottom plate and the upper bottom plate, so that the lower bottom plate and the upper bottom plate are prevented from being separated; the control box can detect the weight of the material in the weighing tank through the pressure sensor, so as to timely control the closing of the pneumatic valve and realize automatic accurate quantity control charging; after the oil cylinder contracts to drive the weighing tank to reset and touch the travel switch, if the resistance value of the pressure sensor is different from the set initial threshold value, the acousto-optic alarm gives an alarm to remind an operator to check whether residual materials exist in the weighing tank or not, and the accurate control of the materials is ensured; the automatic feeding function can be realized through the extension and retraction of the oil cylinder, and materials accurately controlled in the weighing tank are automatically put into the stirring tank, so that the manual labor is avoided; the stirring blade has good stirring effect, can stir various materials put in the stirring tank under the driving of the speed reducing motor, and can efficiently and uniformly mix different materials; the support of T font structure can provide stable support for gear motor under the prerequisite that does not influence the weighing tank and throw the material in to the agitator tank.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the weighing mechanism and the mixing mechanism of the present invention;
FIG. 3 is a schematic structural view of a mixing mechanism according to the present invention;
in the figure: 1. a weighing mechanism; 101. an outer frame body; 102. a first support leg; 103. a control box; 104. an audible and visual alarm; 105. a first connecting seat; 106. an oil cylinder; 107. a second connecting seat; 108. a third connecting seat; 109. a lower base plate; 110. a pressure sensor; 111. a limiting plate; 112. a travel switch; 113. a weighing tank; 114. a pin shaft; 115. an upper base plate; 2. a material mixing mechanism; 201. a stirring tank; 202. a second support leg; 203. a support; 204. a reduction motor; 205. a baffle plate; 206. a stirring rod; 207. an upper connecting rod; 208. a lower connecting rod; 209. stirring blades; 210. a discharge valve; 3. a material storage mechanism; 301. a material storage tank; 302. a third support leg; 303. a feed pipe; 304. a vacuum filter; 305. a feed valve; 306. a material pumping hose; 307. an exhaust valve; 308. an exhaust line; 309. a vacuum line; 310. a vacuum valve; 311. a vacuum line; 312. a tank bottom valve; 313. a discharging pipe; 314. a pneumatic valve.
Detailed Description
Referring to fig. 1-3, the present invention provides the following technical solutions: an automatic feeding device for processing comprises a weighing mechanism 1, a mixing mechanism 2 and a storage mechanism 3, wherein the weighing mechanism 1 comprises an outer frame body 101, a first support leg 102, a control box 103, a sound-light alarm 104, a first connecting seat 105, an oil cylinder 106, a second connecting seat 107, a third connecting seat 108, a lower bottom plate 109, a pressure sensor 110, a limiting plate 111, a travel switch 112, a weighing groove 113, a pin shaft 114 and an upper bottom plate 115, the bottom surface of the outer frame body 101 is fixedly connected with the top end of the first support leg 102, the side surface of the outer frame body 101 is fixedly provided with the control box 103 and the sound-light alarm 104, the inner bottom surface of the outer frame body 101 is fixedly provided with the first connecting seat 105, the first connecting seat 105 is rotatably connected with one end of the oil cylinder 106, the other end of the oil cylinder 106 is rotatably connected with the second connecting seat 107 fixedly arranged on the bottom surface of the lower bottom plate 109, the bottom surface of the lower bottom plate 109 on one side of the second connecting seat 107 is fixedly provided with the third connecting seat 108, the third connecting seat 108 is rotatably connected with a pin shaft 114 fixedly installed on the inner wall of the outer frame body 101, the top surface of the lower base plate 109 is fixedly provided with a pressure sensor 110, the upper side of the lower base plate 109 is slidably sleeved with an upper base plate 115, the top surface of the upper base plate 115 is fixedly provided with a weighing groove 113, the bottom surface of the upper base plate 115 is fixedly connected with a limiting plate 111, a travel switch 112 is fixedly installed on the inner wall of the outer frame body 101 below the limiting plate 111, the mixing mechanism 2 comprises a stirring tank 201, a second supporting leg 202, a support 203, a speed reducing motor 204, a baffle 205, a stirring rod 206, an upper connecting rod 207, a lower connecting rod 208, a stirring blade 209 and a discharging valve 210, the bottom of the stirring tank 201 is fixedly provided with a discharging valve 210, the side surface of the stirring tank 201 is fixedly connected with the top end of the second supporting leg 202, the top of the stirring tank 201 is fixedly provided with a support 203, the support 203 is fixedly provided with a speed reducing motor 204 and a baffle 205, the output shaft of the speed reducing motor 204 is fixedly connected with the top end of the stirring rod 206, the upper side and the lower side of the stirring rod 206 are respectively and fixedly connected with one end of the upper connecting rod 207 and one end of the lower connecting rod 208, the side surfaces of the upper connecting rod 207 and the lower connecting rod 208 are respectively and fixedly connected with the upper end and the lower end of the stirring blade 209, the storage mechanism 3 comprises a storage tank 301, three support legs 302, a feeding pipe 303, a vacuum filter 304, a feeding valve 3015, a material pumping hose 306, an exhaust valve 307, an exhaust pipeline 308, a vacuum pipeline 309, a vacuum valve 310, a vacuum pipeline 311, a tank bottom valve 312, a discharging pipe 313 and a pneumatic valve 314, the bottom side of the storage tank 301 is fixedly connected with the top end of the three support legs 302, the top of the storage tank 301 is fixedly connected with one end of the feeding pipe 303, the vacuum filter 304 arranged inside the storage tank 301 is fixedly connected with one end of the vacuum pipeline 309, and the other end of the feeding pipe 303 passes through the feeding valve 305, The exhaust valve 307 is fixedly connected with a material pumping hose 306 and an exhaust pipeline 308 respectively, the other end of the vacuum pipeline 309 is fixedly connected with a vacuum pipeline 311 through a vacuum valve 310, the bottom end of the material storage tank 301 is fixedly provided with a tank bottom valve 312, the tank bottom valve 312 is fixedly connected with one end of a blanking pipe 313, and the other end of the blanking pipe 313 is fixedly provided with a pneumatic valve 314.
The inner side surface of the upper bottom plate 115 is slidably connected with the side surface of the lower bottom plate 109, the limiting plate 111 is fixedly connected with the bottom surface of the upper bottom plate 115 through bolts, and the inner length/inner width/inner diameter of the limiting plate 111 is 0.5-5 cm smaller than the length/width/diameter of the lower bottom plate 109; the upper plate 115 can cooperate with the limiting plate 111 to limit the relative position between the lower plate 109 and the upper plate 115, so as to prevent the lower plate 109 from separating from the upper plate 115.
The longitudinal section of the weighing groove 113 is a trapezoidal structure with a wide top and a narrow bottom, the control box 103 is electrically connected with the pressure sensor 110 and the pneumatic valve 314, when the bottom surface of the limiting plate 111 presses and contacts the contact of the travel switch 112 to close the circuit of the travel switch 112, the lower end surface of the lower bottom plate 109 is parallel to the horizontal plane, the upper end surface and the lower end surface of the lower bottom plate 109 are parallel to each other, and the pneumatic valve 314 is positioned right above the weighing groove 113; the control box 103 can detect the weight of the material in the weighing tank 113 through the pressure sensor 110, and then timely control and close the pneumatic valve 314, so as to realize automatic accurate quantity control charging.
The acousto-optic alarm 104 and the travel switch 112 are electrically connected with the control box 103; after the oil cylinder 106 contracts to drive the weighing groove 113 to reset and touch the travel switch 112, if the resistance value of the pressure sensor 110 is different from the set initial threshold value, the acousto-optic alarm 104 gives an alarm to remind an operator to check whether residual materials exist in the weighing groove 113, so that the precise control of the materials is ensured.
The mixing mechanism 2 is installed on one side of the weighing mechanism 1, when the oil cylinder 106 stretches to the maximum stroke, the open end of the weighing tank 113 is positioned right above the stirring tank 201, two ends of the pin shaft 114 are fixedly connected with the inner wall of the outer frame body 101, and the control box 103 is electrically connected with a pipeline electromagnetic valve of the oil cylinder 106; the automatic feeding function can be realized through the extension and retraction of the oil cylinder 106, and materials accurately controlled in the weighing tank 113 are automatically put into the stirring tank 201, so that the manual labor is avoided.
The stirring blade 209 consists of two conical spiral belts with opposite rotation directions and different diameters, and the extension lines of the axes of the lower connecting rod 208 and the upper connecting rod 207 pass through the axis of the stirring rod 206 and form an included angle of 90 degrees with the axis of the stirring rod 206; stirring leaf 209 stirring effect is good, can stir the multiple material of input in agitator tank 201 under gear motor 204's drive, and the material efficient misce bene of will difference.
The bracket 203 is of a T-shaped structure, and the included angle between the baffle 205 and the bracket 203 is 90 degrees; the support 203 with the T-shaped structure can provide stable support for the speed reducing motor 204 on the premise of not influencing the feeding of the weighing tank 113 into the stirring tank 201.
The working principle and the using process of the utility model are as follows: when a plurality of materials need to be configured, the number of the material storage mechanisms 3 can be more than one; when the device is used, an operator can start a vacuum unit connected with a vacuum pipeline 311, then open a vacuum valve 310 to enable negative pressure to be formed in the storage tank 301, then put one end of a material pumping hose 306 into a container containing production raw materials, then open a feed valve 305 to enable the production raw materials to be pumped into the storage tank 301 through the material pumping hose 306 and a feed pipe 303, and after the pumping is finished, the operator closes the vacuum valve 310 and the feed valve 305 and opens an exhaust valve 307 to enable the internal pressure of the storage tank 301 to be balanced with the external air pressure; then, an operator opens the tank bottom valve 312, the pneumatic valve 314 is opened through the control box 103 to discharge materials, at this time, the production raw materials in the storage tank 301 are discharged into the weighing tank 113 through the discharging pipe 313 under the action of gravity, when the pressure applied to the pressure sensor 110 reaches a set threshold value, the control box 103 controls the pneumatic valve 314 to be closed, then the oil cylinder 106 extends to drive the lower base plate 109 to turn over in the direction of the material mixing mechanism 2 by taking the pin shaft 114 as a rotating shaft, and the materials in the weighing tank 113 are poured into the stirring tank 201; the oil cylinder 106 is reset after being stretched to the maximum stroke and kept for a certain time, the weighing groove 113 is driven to reset to touch and press the stroke switch 112, if the resistance value of the pressure sensor 110 is different from the set initial threshold value, the acousto-optic alarm 104 gives an alarm to remind an operator to check whether residual materials exist in the weighing groove 113, and accurate control of the materials is guaranteed; after the materials are put into the stirring tank 201, the operator starts the speed reduction motor 204, so that the output shaft of the speed reduction motor 204 drives the stirring rod 206 to rotate, and the stirring rod 206 drives the stirring blade 209 to rotate so as to stir the materials in the stirring tank 201, so that the materials are efficiently and uniformly mixed.
Claims (7)
1. The utility model provides an automatic feeding device is used in processing which characterized in that: the automatic material mixing device comprises a weighing mechanism, a material mixing mechanism and a material storing mechanism, wherein the weighing mechanism comprises an outer frame body, a first support leg, a control box, a sound-light alarm, a first connecting seat, an oil cylinder, a second connecting seat, a third connecting seat, a lower bottom plate, a pressure sensor, a limiting plate, a travel switch, a weighing groove, a pin shaft and an upper bottom plate, the bottom surface of the outer frame body is fixedly connected with the top end of the first support leg, the side surface of the outer frame body is fixedly provided with the control box and the sound-light alarm, the inner bottom surface of the outer frame body is fixedly provided with the first connecting seat, the first connecting seat is rotatably connected with one end of the oil cylinder, the other end of the oil cylinder is rotatably connected with the second connecting seat fixedly arranged on the bottom surface of the lower bottom plate, the third connecting seat is fixedly arranged on the bottom surface of the lower bottom plate on one side of the second connecting seat, the third connecting seat is rotatably connected with the pin shaft fixedly arranged on the inner wall of the outer frame body, the top surface of the lower bottom plate is fixedly provided with the pressure sensor, and the upper bottom plate is slidably sleeved with the upper bottom plate, the top surface of the upper base plate is fixedly provided with a weighing groove, the bottom surface of the upper base plate is fixedly connected with a limiting plate, the inner wall of the outer frame body below the limiting plate is fixedly provided with a travel switch, the material mixing mechanism comprises a stirring tank, a second supporting leg, a support, a speed reducing motor, a baffle plate, a stirring rod, an upper connecting rod, a lower connecting rod, a stirring blade and a discharging valve, the bottom of the stirring tank is fixedly provided with the discharging valve, the side surface of the stirring tank is fixedly connected with the top end of the second supporting leg, the top of the stirring tank is fixedly provided with the support, the support is fixedly provided with the speed reducing motor and the baffle plate, the output shaft of the speed reducing motor is fixedly connected with the top end of the stirring rod, the upper side and the lower side of the stirring rod are respectively fixedly connected with one end of the upper connecting rod and one end of the lower connecting rod, the side surfaces of the upper connecting rod and the lower connecting rod are respectively fixedly connected with the upper end and the lower end of the stirring blade, storage mechanism includes storage tank, landing leg three, inlet pipe, vacuum filter, feed valve, takes out material hose, discharge valve, exhaust pipe, vacuum line, vacuum valve, tank bottoms valve, unloading pipe, pneumatic valve, the top of the three of bottom side fixed connection landing leg of storage tank, the one end of the top fixed connection inlet pipe of storage tank, the inside one end of the vacuum filter fixed connection vacuum line that is equipped with of storage tank, the other end of inlet pipe passes through feed valve, discharge valve fixedly connected with respectively takes out material hose and exhaust pipe, vacuum line's the other end passes through vacuum valve fixedly connected with vacuum line, the bottom fixed mounting of storage tank has the tank bottoms valve, the one end of tank bottoms valve fixed connection unloading pipe, the other end fixed mounting of unloading pipe has the pneumatic valve.
2. The automatic feeding device for processing according to claim 1, wherein: the inner side surface of the upper bottom plate is connected with the side surface of the lower bottom plate in a sliding mode, the limiting plate is fixedly connected with the bottom surface of the upper bottom plate through bolts, and the inner length/inner width/inner diameter of the limiting plate is 0.5-5 cm smaller than the length/width/diameter of the lower bottom plate.
3. The automatic feeding device for processing according to claim 1, wherein: the longitudinal section of the weighing groove is of a trapezoidal structure with the upper width and the lower width, the control box is electrically connected with the pressure sensor and the pneumatic valve, when the bottom surface of the limiting plate is in press contact with a contact of the travel switch to close a circuit of the travel switch, the lower end surface of the lower bottom plate is parallel to the horizontal plane, the upper end surface and the lower end surface of the lower bottom plate are parallel to each other, and the pneumatic valve is located right above the weighing groove.
4. The automatic feeding device for processing according to claim 1, wherein: the acousto-optic alarm and the travel switch are electrically connected with the control box.
5. The automatic feeding device for processing according to claim 1, wherein: the mixing mechanism is installed on one side of the weighing mechanism, when the oil cylinder stretches to the maximum stroke, the open end of the weighing groove is located right above the stirring tank, the two ends of the pin shaft are fixedly connected with the inner wall of the outer frame body, and the control box is electrically connected with a pipeline electromagnetic valve of the oil cylinder.
6. The automatic feeding device for processing according to claim 1, wherein: the stirring leaf comprises two conical helical bands that revolve to opposite and the diameter is different, the extension line of the axis of lower connecting rod, upper connecting rod just is 90 with the contained angle of puddler axis through the axis of puddler.
7. The automatic feeding device for processing according to claim 1, wherein: the support is T font structure, the contained angle between baffle and the support is 90.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122072359.8U CN215661177U (en) | 2021-08-31 | 2021-08-31 | Automatic feeding device for machining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122072359.8U CN215661177U (en) | 2021-08-31 | 2021-08-31 | Automatic feeding device for machining |
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Publication Number | Publication Date |
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CN215661177U true CN215661177U (en) | 2022-01-28 |
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CN202122072359.8U Active CN215661177U (en) | 2021-08-31 | 2021-08-31 | Automatic feeding device for machining |
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2021
- 2021-08-31 CN CN202122072359.8U patent/CN215661177U/en active Active
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