CN211518506U - Metal frame of 3D printer - Google Patents

Abstract

The utility model discloses a metal crate of 3D printer, it includes: the bottom plate, install in the bottom plate up end is located the left side board and the right side board of both sides, set up in the left side board with first supporting beam and second supporting beam between the right side board and set up in the second supporting beam with first support column between the bottom plate, the left side board with the right side board front end is buckled respectively in succession and is formed with second support column and third support column, first supporting beam install in the second support column with third support column upper end, but all be provided with quick assembly disassembly's snubber block on four angles of terminal surface under the bottom plate, be provided with four on the bottom plate and be used for the installation the first mount pad of snubber block, the blotter is installed respectively at both ends on the first mount pad, the blotter support press in on the snubber block tip.

Description

Metal frame of 3D printer

The technical field is as follows:

the utility model relates to a 3D prints the field, refers in particular to a metal crate of 3D printer.

Background art:

3D printing (3DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields. Because the 3D printer can process different materials, and the weight of material generally has very big difference, the weight that the metal frame of printer bore during processing, the vibrations that produce are also different, this has proposed higher requirement to the shock-absorbing structure of printer.

At present, in the 3D printer in the market, the bottom of the frame of the 3D printer is provided with a gasket for rough buffering, when the gasket is processed, the simple gaskets are difficult to meet the processing of parts with high processing precision, and the gaskets are difficult to play the roles of buffering and damping for processing parts with heavy weight basically, so that the processing precision is low.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art's is not enough, provide a metal crate of 3D printer.

In order to solve the technical problem, the utility model discloses a following technical scheme: this metal framework of 3D printer includes: the bottom plate, install in the bottom plate up end is located the left side board and the right side board of both sides, set up in the left side board with first supporting beam and second supporting beam between the right side board and set up in the second supporting beam with first support column between the bottom plate, the left side board with the right side board front end is buckled respectively in succession and is formed with second support column and third support column, first supporting beam install in the second support column with third support column upper end, but all be provided with quick assembly disassembly's snubber block on four angles of terminal surface under the bottom plate, be provided with four on the bottom plate and be used for the installation the first mount pad of snubber block, the blotter is installed respectively at both ends on the first mount pad, the blotter support press in on the snubber block tip.

Furthermore, in the above technical scheme, the first mounting seat is provided with four mounting grooves which are respectively located below the left side plate and the right side plate, the first mounting seat is provided with a first mounting groove for mounting the damping block, and the damping block is inserted into the first mounting groove and fixed by a seventeenth rivet.

Further, in the above technical scheme, the two ends of the first support beam are provided with second mounting grooves, the first support beam is formed by riveting a plurality of metal plates, the middle of the first support beam is provided with a plurality of first reinforcing columns, the middle of the first support beam is provided with a second mounting seat, the second mounting seat is formed by bending metal plates for multiple times to form a square tube, the two ends of the second mounting seat are respectively bent to form a first mounting plate and a fourth mounting plate, the first mounting plate is provided with two first mounting holes, the fourth mounting plate is provided with two second mounting holes, a first notch communicated with the second mounting seat is formed in the middle of the first support beam, the first reinforcing columns are located in the second mounting seat, and riveting edges riveted with the first support beam are formed at the upper ends of the four sides of the second mounting seat in a bending manner.

Furthermore, in the above technical solution, the bottom plate includes a central plate, a left bottom plate and a right bottom plate riveted to the left and right sides of the central plate, a front bottom plate and a rear bottom plate riveted to the front and rear sides of the central plate, and a reinforcing metal plate riveted to the middle of the central plate and parallel to the front bottom plate and the rear bottom plate, a first mounting frame is formed on the left side of the left bottom plate in a bending mode, two ends of the first mounting frame are riveted on the left side plate, a second mounting rack is formed by bending the right side of the right bottom plate, two ends of the second mounting rack are riveted on the right side plate, a third mounting rack is formed at the front end of the front bottom plate in a bending mode, two ends of the third mounting rack are riveted to the second supporting column and the third supporting column respectively, and a fourth mounting rack is formed at the rear end of the rear bottom plate in a bending mode, and two ends of the fourth mounting rack are riveted on the second supporting column and the third supporting column respectively.

Further, in the above technical solution, a second mounting plate is disposed at the upper end of the left side plate, the second mounting plate includes a first plate, a second plate, a third plate and a fourth plate, the first plate is formed by continuous 90-degree bending and stamping, the first plate is riveted with the left side plate through a plurality of first rivets, a first top plate is formed at the upper end of the left side plate by 90-degree bending, and the fourth plate is riveted with the first top plate through a second rivet; a first supporting plate which is coplanar with the second plate is formed in the middle of the third plate through outward stamping, a first connecting plate is arranged at one end of the first supporting plate and connected with the third plate, two ends of the first connecting plate are respectively riveted with the first supporting plate and the third plate through two third rivets and two fourth rivets, a second connecting plate is arranged at the other end of the first supporting plate and connected with the left side plate, the second connecting plate is located below the first supporting plate, two ends of the second connecting plate are respectively riveted with the first supporting plate and the left side plate through two fifth rivets and two sixth rivets, and at least two third mounting holes are formed in the first supporting plate; the upper end of the right side plate is provided with a third mounting plate which has the same structure as the second mounting plate, a second supporting plate block with the same height as the first supporting plate block is formed on the third mounting plate in a stamping way, a third connecting plate and a fourth connecting plate which are connected with the right side plate are respectively arranged at the two ends of the second supporting plate, the third connecting plate is positioned below the second supporting plate block, and two ends of the third connecting plate are respectively riveted with the second supporting plate block and the right side plate through two seventh rivets and two eighth rivets, the fourth connecting plate is positioned below the second supporting plate, two ends of the fourth connecting plate are respectively riveted with the second supporting plate and the right side plate through two ninth rivets and two tenth rivets, at least two fourth mounting holes are arranged on the second supporting plate, and the two fourth mounting holes are respectively positioned beside the ninth rivet and the tenth rivet.

Further, in the above technical solution, a first opening is provided in the middle of the left side plate, a second opening is provided beside the first opening, and the first support plate block is located above the first opening; the middle of the right side plate is provided with a third opening, the second supporting plate block is located above the third opening, a fourth opening, a fifth opening and a sixth opening are further arranged beside the third opening, and a seventh opening is arranged beside the sixth opening.

Further, in the above technical solution, three fifth mounting holes are formed in a fourth plate of the second mounting plate, and a plurality of sixth mounting holes are formed in the left side plate; the third mounting plate is provided with three seventh mounting holes corresponding to the fifth mounting holes, a plurality of eighth mounting holes are formed in the right side plate, and eighth openings are formed in the lateral sides of the seventh mounting holes; the outer wall of the left side plate is provided with a reinforcing plate, and the reinforcing plate comprises a first plate body riveted on the left side plate through a plurality of fourteenth rivets, a second plate body bent and formed on the first plate body by 90 degrees, and a third plate body bent and formed on one end of the second plate body by 90 degrees, and riveted with the second mounting plate through a fifteenth rivet.

Furthermore, in the above technical solution, the second supporting beam is formed by bending a metal plate into a square pipe for multiple times, the upper end surface of the second supporting beam is provided with four ninth mounting holes which are distributed at intervals, the upper end surface of the second supporting beam is also provided with a second gap, a third gap and a fourth gap with backward openings are respectively arranged at the two ends of the second supporting beam, a third supporting plate block and a fourth supporting plate block which are connected with the second mounting plate and the third mounting plate are respectively arranged at the two ends of the second supporting beam, the side edge of the third supporting plate is bent downwards and riveted with the second mounting plate through two eleventh rivets, the side edge of the fourth supporting plate is bent downwards and riveted with the third mounting plate through two sixteenth rivets, two eleventh mounting holes are formed in the third supporting plate, and two twelfth mounting holes are formed in the fourth supporting plate; the utility model discloses a support beam, including a first supporting beam, a second supporting beam, a left side board, a right side board, a second supporting beam, a third supporting beam, a left side board, a right side board, a left side board and a right side board, wherein the left side board is provided with a left side board and a right side board.

Further, in the above technical solution, a ninth opening and a tenth opening are provided in the central plate, and the ninth opening and the tenth opening are located on two sides of the reinforcing metal plate.

Further, among the above-mentioned technical scheme, the shaping has the through-hole in the middle of the snubber block, the shaping has the first arc recess of plural number on the through-hole inner wall, the two sides shaping has the continuous strengthening rib of plural number mutually about the snubber block, the shaping of snubber block both sides has and inserts the sand grip in the first mounting groove, the shaping of snubber block front end has a lug, the shaping of lug both sides has second arc recess.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

1. the utility model discloses in promote the shock attenuation effect through all add a snubber block at four angles of bottom plate, still can keep the machining precision when can ensure processing heavier part simultaneously, and set up first mount pad and be used for installing fast and change the snubber block on the bottom plate, set up first arc recess through setting up in one side of snubber block middle part through-hole, the second arc recess of cooperation snubber block front end forms and holds the structure, make can install the snubber block in the first mounting groove fast, and/or, take out the snubber block from first mounting groove fast.

2. The utility model is formed by bending and mutually riveting a plurality of metal plates on the whole frame, so that the whole structure has lighter weight, the metallurgical bonding is realized by riveting, the connection strength is high, the sealing performance is good, the connection cost is lower, the purpose of time and labor saving can be basically achieved, and the rivet has lighter weight compared with other connection rivets, so that the weight of the metal frame can be reduced; secondly, because the panel beating can promote support intensity after buckling, consequently, can reach the intensity requirement that traditional solid metal made basically to compare solid metal with the weight after the panel beating is buckled and can be light a lot of, can make things convenient for the removal and the transportation of printer.

Description of the drawings:

fig. 1 is a perspective view 1 of the present invention;

fig. 2 is a perspective view 2 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at J;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B;

FIG. 6 is an enlarged view of a portion of FIG. 2 at C;

FIG. 7 is an enlarged view of a portion of FIG. 2 at D;

fig. 8 is a perspective view of the present invention, fig. 3;

fig. 9 is a partial enlarged view at E in fig. 8;

fig. 10 is a partial enlarged view at F in fig. 8.

Description of reference numerals:

1 ninth opening of central plate 111 of bottom plate 11

112 tenth opening 12 left base plate 121 first mounting bracket

13 right bottom plate 131 second mounting frame 14 front bottom plate

141 third mount 15 rear base 151 fourth mount

16 reinforced sheet metal 2 left side plate 201 first opening

202 second opening 21 second support column 22 second mounting plate

221 a first plate 222, a second plate 223 and a third plate

224 fourth plate 225 first support plate 226 third mounting hole

227 fifth mounting hole 231 first rivet 232 second rivet

233 third rivet 234 fourth rivet 235 fifth rivet

236 fourteenth rivet 237 fifteenth rivet 24 first ceiling plate

25 first connecting plate 26 second connecting plate 27 sixth mounting hole

28 reinforcing plate 281, first plate 282 and second plate

283 third plate 29 first press plate 3 right side plate

301 third opening 302 fourth opening 303 fifth opening

304 sixth opening 305 seventh opening 31 third support column

32 third mounting plate 325 second support plate 326 fourth mounting hole

327 seventh mounting hole 328 eighth opening 331 seventh rivet

332 eighth rivet 333 ninth rivet 334 tenth rivet

35 third connecting plate 36 fourth connecting plate 37 eighth mounting hole

39 second mounting groove of first support beam 41 of back plate 4

42 first reinforcing column 43 second mounting seat 44 first mounting plate

45 fourth mounting plate 441 first mounting hole 451 second mounting hole

46 first notch 47 riveting edge 5 second support beam

51 ninth mounting hole 52 second notch 53 third notch

54 fourth notch 55 eleventh mounting hole of third support plate 551

56 fourth support plate 561 twelfth mounting hole 571 eleventh rivet

572 twelfth rivet 573 thirteenth rivet 6 first support column

7 damper block 71 through hole 72 first arc-shaped groove

73 reinforcing rib 74 convex strip 75 convex block

76 second arc-shaped groove 8 first mounting groove of first mounting seat 81

82 seventeenth rivet 9 cushion

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1 to 10, a metal frame of a 3D printer includes: a bottom plate 1, a left side plate 2 and a right side plate 3 which are arranged on the upper end surface of the bottom plate 1 and are positioned on two sides, a first supporting beam 4 and a second supporting beam 5 which are arranged between the left side plate 2 and the right side plate 3, and a first supporting column 6 which is arranged between the second supporting beam 5 and the bottom plate 1, the front ends of the left side plate 2 and the right side plate 3 are respectively and continuously bent to form a second supporting column 21 and a third supporting column 31, the first support beam 4 is mounted on the upper ends of the second support column 21 and the third support column 31, four corners of the lower end surface of the bottom plate 1 are respectively provided with a damping block 7 which can be quickly disassembled and assembled, the bottom plate 1 is provided with four first mounting seats 8 for mounting the damping blocks 7, and cushion pads 9 are respectively arranged at two ends of the first mounting seat 8, and the cushion pads 9 are pressed against the end parts of the damping blocks 7. First mount pad 8 is provided with four and is located respectively left side board 2 with right side board 3 below, be provided with on the first mount pad 8 and be used for the installation the first mounting groove 81 of snubber block 7, snubber block 7 inserts in the first mounting groove 81 and fixed through seventeenth rivet 82. All add a snubber block 7 through four angles at bottom plate 1 and improve the shock attenuation effect of 3D printer to set up first mount pad 8 and be used for installing fast and change snubber block 7 on bottom plate 1, insert first mounting groove 81 with snubber block 7 during the installation, fix a position snubber block 7 by first mounting groove 81, fix by seventeenth rivet 82 again, during the dismantlement, take off seventeenth rivet 82 earlier, take out snubber block 7 from first mounting groove 81 in first mount pad 8 again. The damper block 7 is made of elastic resin or plastic, so that the seventeenth rivet 82 can be easily inserted into the damper block 7 and can be quickly removed, thereby realizing replacement of the damper block 7.

When the utility model is used, when the weight of the processed parts is light, the buffer cushion 9 supports the shock absorption, and the shock absorption block 7 is pressed against the buffer cushion 9 to play a further shock absorption role, thereby increasing the shock absorption effect and improving the processing precision; when the weight of the processed part is heavy, the buffer pad 9 is completely compressed, and at the moment, the shock absorption block 7 is in contact with the ground to play a main shock absorption role, so that the 3D printer can still maintain the processing precision when printing the large part.

The two ends of the first supporting beam 4 are respectively provided with a second mounting groove 41, the first supporting beam 4 is formed by riveting a plurality of metal plates, a plurality of first reinforcing columns 42 are arranged in the middle of the first supporting beam 4, a second mounting seat 43 is arranged in the middle of the first supporting beam 4, the second mounting seat 43 is a square tube formed by bending a metal plate for multiple times, a first mounting plate 44 and a fourth mounting plate 45 are respectively formed at two ends of the second mounting seat 43 by bending, the first mounting plate 44 is provided with two first mounting holes 441, the fourth mounting plate 45 is provided with two second mounting holes 451, a first notch 46 communicated with the second mounting seat 43 is arranged in the middle of the first supporting beam 4, the first reinforcing column 42 is located in the second mounting seat 43, and riveting edges 47 riveted with the first support beam 4 are respectively bent and formed at the upper ends of the four sides of the second mounting seat 43.

The bottom plate 1 comprises a central plate 11, a left bottom plate 12 and a right bottom plate 13 riveted on the left side and the right side of the central plate 11, a front bottom plate 14 and a rear bottom plate 15 riveted on the front side and the rear side of the central plate 11, and a reinforcing metal plate 16 riveted in the middle of the central plate 11 and parallel to the front bottom plate 14 and the rear bottom plate 15, wherein a first mounting rack 121 is formed by bending the left side of the left bottom plate 12, two ends of the first mounting rack 121 are riveted on the left side plate 2, a second mounting rack 131 is formed by bending the right side of the right bottom plate 13, two ends of the second mounting rack 131 are riveted on the right side plate 3, a third mounting rack 141 is formed by bending the front end of the front bottom plate 14, two ends of the third mounting rack 141 are riveted on the second supporting column 21 and the third supporting column 31 respectively, and a fourth mounting rack 151 is formed by bending the rear end of the rear bottom, two ends of the fourth mounting frame 151 are riveted to the second supporting column 21 and the third supporting column 31 respectively.

The upper end of the left side plate 2 is provided with a second mounting plate 22, the second mounting plate 22 comprises a first plate 221, a second plate 222, a third plate 223 and a fourth plate 224 which are formed by continuous 90-degree bending and stamping, the first plate 221 is riveted with the left side plate 2 through a plurality of first rivets 231, a first top plate 24 is formed by bending the upper end of the left side plate 2 by 90-degree bending, and the fourth plate 224 is riveted with the first top plate 24 through a second rivet 232; a first support plate block 225 coplanar with the second plate block 222 is formed by punching the middle of the third plate block 223 outwards, one end of the first support plate block 225 is provided with a first connection plate 25 connected with the third plate block 223, two ends of the first connection plate 25 are respectively riveted with the first support plate block 225 and the third plate block 223 through two third rivets 233 and two fourth rivets 234, the other end of the first support plate block 225 is provided with a second connection plate 26 connected with the left side plate 2, the second connection plate 26 is positioned below the first support plate block 225, two ends of the second connection plate are respectively riveted with the first support plate block 225 and the left side plate 2 through two fifth rivets 235 and two sixth rivets, and the first support plate block 225 is provided with at least two third mounting holes 226; a third mounting plate 32 is arranged at the upper end of the right side plate 3, the third mounting plate 32 has the same structure as the second mounting plate 22, a second support plate block 325 having the same height as the first support plate block 225 is formed by stamping on the third mounting plate 32, a third connecting plate 35 and a fourth connecting plate 36 connected to the right side plate 3 are respectively arranged at two ends of the second support plate block 325, the third connecting plate 35 is located below the second support plate block 325, and is riveted at two ends to the second support plate block 325 and the right side plate 3 by two seventh rivets 331 and two eighth rivets 332, respectively, the fourth connecting plate 36 is located below the second support plate block 325, and is riveted at two ends to the second support plate block 325 and the right side plate 3 by two ninth rivets 333 and two tenth rivets 334, at least two fourth mounting holes 326 are arranged on the second support plate block 325, and the two fourth mounting holes 326 are respectively located beside the ninth rivet 333 and the tenth rivet 334.

A first opening 201 is formed in the middle of the left side plate 2, a second opening 202 is formed beside the first opening 201, and the first support plate block 225 is located above the first opening 201; a third opening 301 is formed in the middle of the right side plate 3, the second support plate 325 is located above the third opening 301, a fourth opening 302, a fifth opening 303 and a sixth opening 304 are further formed beside the third opening 301, and a seventh opening 305 is formed beside the sixth opening 304.

The fourth plate 224 of the second mounting plate 22 is provided with three fifth mounting holes 227 distributed at intervals, and the left side plate 2 is formed with a plurality of sixth mounting holes 27; the third mounting plate 32 is provided with three seventh mounting holes 327 corresponding to the fifth mounting holes 227, the right side plate 3 is formed with a plurality of eighth mounting holes 37, and an eighth opening 328 is arranged beside the seventh mounting holes 327; a reinforcing plate 28 is disposed on the outer wall of the left side plate 2, and the reinforcing plate 28 includes a first plate 281 and a second plate 282 bent at 90 ° and formed on the first plate 281 and riveted to the left side plate 2 by a plurality of fourteenth rivets 236, and a third plate 283 bent at 90 ° and formed at one end of the second plate 282 and riveted to the second mounting plate 22 by a fifteenth rivet 237.

The second supporting beam 5 is a square tube formed by bending a metal plate for multiple times, four ninth mounting holes 51 distributed at intervals are formed in the upper end face of the second supporting beam 5, the upper end surface of the second supporting beam 5 is further provided with a second gap 52, both ends of the second supporting beam 5 are respectively provided with a third gap 53 and a fourth gap 54 with backward openings, a third supporting plate 55 and a fourth supporting plate 56 connected to the second mounting plate 22 and the third mounting plate 32 are respectively disposed at both ends of the second supporting beam 5, the side edge of the third supporting plate 55 is bent downwards and riveted with the second mounting plate 22 by two eleventh rivets 571, the side of the fourth supporting plate 56 is bent downward and riveted with the third mounting plate 32 by two sixteenth rivets, the third support plate 55 is provided with two eleventh installation holes 551, and the fourth support plate 56 is provided with two twelfth installation holes 561; the two ends of the second supporting beam 5 are respectively formed with a positioning plate inserted into the second mounting plate 22 and the third mounting plate 32, the upper end of the left side plate 2 is bent to form a first pressing plate 29 pressed against the second supporting beam 5, the first pressing plate 29 is riveted with the second supporting beam 5 by four twelfth rivets 572, the rear end of the right side plate 3 is bent to form a rear plate 39 pressed against the second supporting beam 5, and the rear plate 39 is riveted with the second supporting beam 5 by four thirteenth rivets 573.

The central plate 11 is provided with a ninth opening 111 and a tenth opening 112, and the ninth opening 111 and the tenth opening 112 are located on two sides of the reinforcing metal plate 16. First support column 6 is by the panel beating support piece of bending type formation many times, and self gravity is light and can have the holding power of high strength, and only need can install first support column 6 fast through the rivet on second supporting beam 5 and bottom plate 1, simple to operate is quick.

The shaping has through-hole 71 in the middle of the snubber block 7, the shaping has the first arc recess 72 of plural number on the through-hole 71 inner wall, the two sides shaping has the continuous strengthening rib 73 of plural number mutually about the snubber block 7, the shaping of snubber block 7 both sides has the insertion the sand grip 74 in the first mounting groove 81, the shaping of snubber block 7 front end has a lug 75, the shaping of lug 75 both sides has second arc recess 76.

To sum up, after adopting above-mentioned technical scheme, the utility model discloses compare with prior art and have following beneficial effect:

1. the utility model discloses in promote the shock attenuation effect through all add a snubber block 7 at 1 four angles of bottom plate, still can keep the machining precision when can ensure processing heavier part simultaneously, and set up first mount pad 8 on bottom plate 1 and be used for installing fast and change snubber block 7, set up first arc recess 72 in snubber block 7 middle part through-hole 71 one side through setting up, the second arc recess 76 of cooperation snubber block 7 front end forms and holds the structure, make can install snubber block 7 in first mounting groove 81 fast, and/or, take out snubber block 7 from first mounting groove 81 fast.

2. The utility model is formed by bending and mutually riveting a plurality of metal plates on the whole frame, so that the whole structure has lighter weight, the metallurgical bonding is realized by riveting, the connection strength is high, the sealing performance is good, the connection cost is lower, the purpose of time and labor saving can be basically achieved, and the rivet has lighter weight compared with other connection rivets, so that the weight of the metal frame can be reduced; secondly, because the panel beating can promote support intensity after buckling, consequently, can reach the intensity requirement that traditional solid metal made basically to compare solid metal with the weight after the panel beating is buckled and can be light a lot of, can make things convenient for the removal and the transportation of printer.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A metal frame of a 3D printer, comprising: the shock absorption device comprises a bottom plate (1), a left side plate (2) and a right side plate (3) which are arranged on the upper end face of the bottom plate (1) and positioned on two sides, a first supporting beam (4) and a second supporting beam (5) which are arranged between the left side plate (2) and the right side plate (3), and a first supporting column (6) which is arranged between the second supporting beam (5) and the bottom plate (1), wherein the front ends of the left side plate (2) and the right side plate (3) are respectively and continuously bent to form a second supporting column (21) and a third supporting column (31), the first supporting beam (4) is arranged at the upper ends of the second supporting column (21) and the third supporting column (31), shock absorption blocks (7) capable of being rapidly disassembled and assembled are arranged on four corners of the lower end face of the bottom plate (1), four first installation seats (8) for installing the shock absorption blocks (7) are arranged on the bottom plate (1), two ends of the first mounting seat (8) are respectively provided with a cushion pad (9), and the cushion pads (9) are pressed against the end parts of the damping blocks (7).

2. The metal frame of a 3D printer according to claim 1, characterized in that: first mount pad (8) are provided with four and are located respectively left side board (2) with right side board (3) below, be provided with on first mount pad (8) and be used for the installation first mounting groove (81) of snubber block (7), snubber block (7) insert in first mounting groove (81) and fixed through seventeenth rivet (82).

3. The metal frame of a 3D printer according to claim 1, characterized in that: the two ends of the first supporting beam (4) are respectively provided with a second mounting groove (41), the first supporting beam (4) is formed by riveting a plurality of metal plates, a plurality of first reinforcing columns (42) are arranged in the middle of the first supporting beam (4), a second mounting seat (43) is arranged in the middle of the first supporting beam (4), the second mounting seat (43) is formed by bending the metal plates into a square tube for multiple times, two ends of the second mounting seat (43) are respectively bent and formed with a first mounting plate (44) and a fourth mounting plate (45), two first mounting holes (441) are arranged on the first mounting plate (44), two second mounting holes (451) are arranged on the fourth mounting plate (45), a first notch (46) communicated with the second mounting seat (43) is arranged in the middle of the first supporting beam (4), and the first reinforcing columns (42) are positioned in the second mounting seat (43), and riveting edges (47) riveted with the first supporting beams (4) are formed at the upper ends of the four sides of the second mounting seat (43) in a bending mode.

4. The metal frame of a 3D printer according to claim 1, characterized in that: the bottom plate (1) comprises a central plate block (11), a left bottom plate (12) and a right bottom plate (13) which are riveted on the left side and the right side of the central plate block (11), a front bottom plate (14) and a rear bottom plate (15) which are riveted on the front side and the rear side of the central plate block (11), and a reinforcing metal plate (16) which is riveted in the middle of the central plate block (11) and is parallel to the front bottom plate (14) and the rear bottom plate (15), wherein a first mounting frame (121) is formed on the left side of the left bottom plate (12), two ends of the first mounting frame (121) are riveted on the left side plate (2), a second mounting frame (131) is formed on the right side of the right bottom plate (13) in a bent mode, two ends of the second mounting frame (131) are riveted on the right side plate (3), a third mounting frame (141) is formed on the front end of the front bottom plate (14) in a bent mode, two ends of the third mounting frame (141) are riveted on the second supporting, and a fourth mounting rack (151) is formed at the rear end of the rear bottom plate (15) in a bending mode, and two ends of the fourth mounting rack (151) are riveted on the second supporting column (21) and the third supporting column (31) respectively.

5. The metal frame of a 3D printer according to claim 4, characterized in that: the upper end of the left side plate (2) is provided with a second mounting plate (22), the second mounting plate (22) comprises a first plate block (221), a second plate block (222), a third plate block (223) and a fourth plate block (224) which are formed by continuous 90-degree bending and stamping, the first plate block (221) is riveted with the left side plate (2) through a plurality of first rivets (231), a first top plate (24) is formed at the upper end of the left side plate (2) by 90-degree bending, and the fourth plate block (224) is riveted with the first top plate (24) through a second rivet (232); a first supporting plate block (225) which is coplanar with the second plate block (222) is formed in the middle of the third plate block (223) in an outward stamping mode, one end of the first supporting plate (225) is provided with a first connecting plate (25) which is connected with the third plate (223), both ends of the first connecting plate (25) are riveted with the first supporting plate block (225) and the third plate block (223) through two third rivets (233) and two fourth rivets (234), respectively, the other end of the first supporting plate block (225) is provided with a second connecting plate (26) which is connected with the left side plate (2), the second connecting plate (26) is positioned below the first supporting plate block (225) and two ends of the second connecting plate are respectively riveted with the first supporting plate block (225) and the left side plate (2) through two fifth rivets (235) and two sixth rivets, at least two third mounting holes (226) are formed in the first supporting plate block (225); a third mounting plate (32) is arranged at the upper end of the right side plate (3), the third mounting plate (32) has the same structure as the second mounting plate (22), a second supporting plate block (325) with the same height as the first supporting plate block (225) is formed on the third mounting plate (32) in a stamping manner, a third connecting plate (35) and a fourth connecting plate (36) which are connected with the right side plate (3) are respectively arranged at two ends of the second supporting plate block (325), the third connecting plate (35) is positioned below the second supporting plate block (325), and is riveted with the second supporting plate block (325) and the right side plate (3) at two ends respectively through two seventh rivets (331) and two eighth rivets (332), the fourth connecting plate (36) is positioned below the second supporting plate block (325), and is riveted with the second supporting plate block (325) and the right side plate (3) at two ends respectively through two ninth rivets (333) and two tenth rivets (334), the second support plate (325) is provided with at least two fourth mounting holes (326), and the two fourth mounting holes (326) are respectively positioned at the sides of the ninth rivet (333) and the tenth rivet (334).

6. The metal frame of a 3D printer according to claim 5, wherein: a first opening (201) is formed in the middle of the left side plate (2), a second opening (202) is formed beside the first opening (201), and the first supporting plate block (225) is located above the first opening (201); the middle of the right side plate (3) is provided with a third opening (301), the second supporting plate block (325) is located above the third opening (301), a fourth opening (302), a fifth opening (303) and a sixth opening (304) are further arranged on the side of the third opening (301), and a seventh opening (305) is arranged on the side of the sixth opening (304).

7. The metal frame of a 3D printer according to claim 6, wherein: a fourth plate (224) in the second mounting plate (22) is provided with three fifth mounting holes (227) distributed at intervals, and a plurality of sixth mounting holes (27) are formed in the left side plate (2); the third mounting plate (32) is provided with three seventh mounting holes (327) corresponding to the fifth mounting holes (227), a plurality of eighth mounting holes (37) are formed in the right side plate (3), and an eighth opening (328) is formed beside the seventh mounting holes (327); the outer wall of the left side plate (2) is provided with a reinforcing plate (28), and the reinforcing plate (28) comprises a first plate body (281) riveted on the left side plate (2) through a plurality of fourteenth rivets (236), a second plate body (282) bent and formed on the first plate body (281) by 90 degrees, and a third plate body (283) bent and formed at one end of the second plate body (282) by 90 degrees and riveted with the second mounting plate (22) through a fifteenth rivet (237).

8. The metal frame of a 3D printer according to claim 5, wherein: the second supporting beam (5) is formed by bending a metal plate into a square tube for multiple times, the upper end face of the second supporting beam (5) is provided with four ninth mounting holes (51) distributed at intervals, the upper end face of the second supporting beam (5) is further provided with a second notch (52), two ends of the second supporting beam (5) are respectively provided with a third notch (53) and a fourth notch (54) with backward openings, two ends of the second supporting beam (5) are respectively provided with a third supporting plate block (55) and a fourth supporting plate block (56) which are connected with the second mounting plate (22) and the third mounting plate (32), the side edge of the third supporting plate block (55) is bent downwards and riveted with the second mounting plate (22) through two eleventh rivets (571), the side edge of the fourth supporting plate block (56) is bent downwards and riveted with the third mounting plate (32) through two sixteenth rivets, two eleventh mounting holes (551) are formed in the third supporting plate (55), and two twelfth mounting holes (561) are formed in the fourth supporting plate (56); the positioning plates inserted into the second mounting plate (22) and the third mounting plate (32) are respectively formed at two ends of the second supporting beam (5), a first abutting plate block (29) abutting against the second supporting beam (5) is formed at the upper end of the left side plate (2) in a bending mode, the first abutting plate block (29) is riveted with the second supporting beam (5) through four twelfth rivets (572), a rear plate block (39) abutting against the second supporting beam (5) is formed at the rear end of the right side plate (3) in a bending mode, and the rear plate block (39) is riveted with the second supporting beam (5) through four thirteenth rivets (573).

9. The metal frame of a 3D printer according to claim 4, characterized in that: the central plate (11) is provided with a ninth opening (111) and a tenth opening (112), and the ninth opening (111) and the tenth opening (112) are located on two sides of the reinforcing metal plate (16).

10. The metal frame of a 3D printer according to claim 2, characterized in that: the shaping has through-hole (71) in the middle of snubber block (7), the shaping has the first arc recess of plural number (72) on through-hole (71) inner wall, the shaping of both sides has plural continuous strengthening rib (73) mutually about snubber block (7), the shaping of snubber block (7) both sides has and inserts sand grip (74) in first mounting groove (81), the shaping of snubber block (7) front end has a lug (75), lug (75) both sides shaping has second arc recess (76).

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