Novel solid metal 3D printing equipment

Abstract

The invention discloses novel solid metal 3D printing equipment which comprises a base part, a lifting mechanism, a first moving part, a second moving part, a third moving part and an extrusion mechanism. The base part is used for installing the lifting mechanisms and the first moving part, and the first moving part is located between the two sets of lifting mechanisms; the first moving part is mounted on the base part, so that the second moving part is driven by the base part to move along a first preset direction along with the first moving part; the second moving part is mounted on the first moving part, so that the second moving part is driven by the first moving part to move in a second preset direction; the third moving part is mounted above the second moving part through a lifting mechanism and is used for driving the third moving part to move along a third preset direction through the lifting mechanism, so that the extrusion mechanisms mounted on the third moving part are driven to move close to or far away from each other relative to the second moving part along the third preset direction; the extrusion mechanism is used for achieving rotary extrusion of solid metal. Hardware support is provided for solid metal 3D printing through ingenious cooperation of all the moving parts and the extrusion mechanism.

Description

Technical Field

[0001] The invention relates to a novel solid-state metal 3D printing device, belonging to the technical field of solid-state metal 3D printing. Background Art

[0002] With the rapid development of the manufacturing industry, 3D printing technology has become an important means of producing complex structural parts.

[0003] In the existing technology, selective laser melting (SLM) and electron beam melting molding (EBM) are two widely used methods for metal 3D printing. These technologies use high-energy beams to melt metal powder and stack them layer by layer to form a 3D entity. Although these methods can achieve almost no material waste in the manufacturing process compared to traditional cutting, and can quickly transition from the design stage to prototyping and final product production, they still have some limitations and problems, such as: during the melting process, the rapid heating and cooling of metal powder will produce uneven thermal stress distribution, which may cause internal defects such as cracks, holes, etc., affecting the overall quality and performance of the product; due to the unevenness of the melting process, the material properties of the final product may be inconsistent, affecting its mechanical properties and durability; at the same time, the existing melting technology involves high-energy consumption equipment operation, and the quality control requirements for powder materials are extremely high, which leads to increased production costs and relatively low production efficiency. Summary of the invention

[0004] The present invention provides a novel solid-state metal 3D printing device, which provides hardware support for solid-state metal 3D printing through the ingenious cooperation of various moving parts and an extrusion mechanism.

[0005] The technical solution of the present invention is:

[0006] A new type of solid-state metal 3D printing equipment comprises a base 2, a lifting mechanism 5, a first moving part 3, a second moving part 4, a third moving part 7, and an extrusion mechanism 6; the base 2 is used to install the lifting mechanism 5 and the first moving part 3, and the first moving part 3 is located between two groups of the lifting mechanisms 5; the first moving part 3 is installed on the base 2, so as to realize the second moving part 4 to follow the first moving part 3 to move along a first preset direction through the drive of the base 2; the second moving part 4 is installed on the first moving part 3, so as to realize the second moving part 4 to move along a second preset direction through the drive of the first moving part 3; the third moving part 7 is installed above the second moving part 4 through the lifting mechanism 5, so as to drive the third moving part 7 to move along a third preset direction through the lifting mechanism 5; the third moving part 7 moves along the third preset direction, so as to drive the extrusion mechanism 6 installed on the third moving part 7 to move closer to or away from each other relative to the second moving part 4 along the third preset direction; the extrusion mechanism 6 is used to realize the rotational extrusion of solid metal.

[0007] Furthermore, the base 2 includes: a bottom plate 13; a first guide rail 14, the first guide rail 14 is two groups and is fixedly installed on the bottom plate 13 in a centrally symmetrical manner, and the two groups of first guide rails 14 are arranged in parallel along a first preset direction to guide the movement of the first moving part 3 along the first preset direction; a first driving part, the first driving part includes a first linear motor stator 20, a first magnetic scale magnetic strip 17, and a first linear motor mover 21, the first linear motor stator 20 is fixedly installed on the bottom plate 13 and located between the two groups of first guide rails 14; the first magnetic scale magnetic strip 17 located on one side of the first linear motor stator 20 is fixedly installed on the bottom plate The first magnetic scale magnetic strip 17 is arranged in parallel with the first linear motor stator 20; the first linear motor mover 21 is fixedly installed on the side of the first moving part 3 close to the base plate 13, and the first linear motor mover 21 cooperates with the first linear motor stator 20 to enable the first moving part 3 to move along the first preset direction; a first photoelectric switch 22, two groups of the first photoelectric switches 22 are fixedly installed on the photoelectric switch bracket on the base plate 13, and the first photoelectric switch 22 is on the other side of the first linear motor stator 20, so as to be used for the first moving part 3 to move along the first preset direction within the first preset stroke.

[0008] Further, the first moving part 3 includes: a bottom plate 2 31, two groups of supports 49 arranged in parallel are fixedly installed on the side of the bottom plate 2 31 close to the base 2, and a first slider 15 is fixedly installed on the end of the support 4 29, and the first slider 15 cooperates with the first guide rail 14 in the base 2 to enable the first slider 15 to move along the first guide rail 14; a support 6 40 is fixedly installed on the side of the bottom plate 2 31 close to the base 2 and is located between the two groups of supports 49, and the first linear motor mover 21 in the base 2 is fixedly installed on the end of the support 6 40; a support 5 30 is also fixedly installed on the side of the bottom plate 2 31 close to the base 2, A first magnetic scale reader 18 is fixedly mounted on the end of the support 5 30, and the first magnetic scale reader 18 is mounted above the first magnetic scale magnetic strip 17 in the base 2, so as to read the relative position of the first moving part 3 and the base 2 in the first preset direction; two groups of first photoelectric baffles 23 are fixedly mounted on the bottom plate 2 31 close to the side of the base 2, so that when the first moving part 3 moves to the preset position of the base 2, the first photoelectric baffles 23 cooperate with the first photoelectric switch 22 in the base 2 to determine whether the first moving part 3 moves to the end point position of the first preset stroke; a second guide rail 32, the second guide rail 32 is two groups and is centrally aligned The second guide rail 32 is arranged in parallel along the second preset direction to guide the movement of the second moving part 4 along the second preset direction; the second driving part comprises a second linear motor stator 36, a second magnetic scale magnetic strip 38, and a second linear motor mover 37. The second linear motor stator 36 is fixedly mounted on the side of the second bottom plate 31 away from the base 2 and located between the two groups of second guide rails 32; the second magnetic scale magnetic strip 38 located on one side of the second linear motor stator 36 is fixedly mounted on the side of the second bottom plate 31 away from the base 2, and the second magnetic scale magnetic strip 38 is parallel to the second linear motor mover 37. The linear motor stators 36 are arranged in parallel; the second linear motor mover 37 is fixedly mounted on the side of the second moving part 4 close to the bottom plate 2 31, and the second linear motor mover 37 cooperates with the second linear motor stator 36 to enable the second moving part 4 to move along the second preset direction; the second preset direction is perpendicular to the first preset direction; the second photoelectric switch 34, two groups of the second photoelectric switches 34 are fixedly mounted on the photoelectric switch bracket on the side of the bottom plate 2 31 away from the base 2, and the second photoelectric switch 34 is on the other side of the second linear motor stator 36, so as to enable the second moving part 4 to move along the second preset direction within the second preset stroke.

[0009] Furthermore, the first movable part 3 also includes a first protective cover 10, which is a telescopic structure and is designed in two. One end of one first protective cover 10 is fixedly installed on one side of the first movable part 3, and one end of the other first protective cover 10 is fixedly installed on the other opposite side of the first movable part 3. The other ends of the two first protective covers 10 are fixedly installed above the base 2; the first protective cover 10 is driven to follow the movement by the movement of the first movable part 3 along the first preset direction.

[0010] Furthermore, the second movable part 4 includes: a bottom plate three 44, on which a support seven 43 arranged in parallel is fixedly installed on the side of the bottom plate three 44 close to the first movable part 3, and a second slider 33 is fixedly installed on the end of the support seven 43, and the second slider 33 cooperates with the second guide rail 32 in the first movable part 3 to enable the second slider 33 to move along the second guide rail 32; a support nine 47 is fixedly installed on the side of the bottom plate three 44 close to the first movable part 3 and is located between the two groups of supports seven 43, and the second linear motor mover 37 in the first movable part 3 is fixedly installed on the end of the support nine 47; a support eight 46 is fixedly installed on the side of the bottom plate three 44 close to the first movable part 3, and a second magnetic scale reader 39 is fixedly installed on the end of the support eight 46, and the second magnetic scale reader 39 is arranged Installed above the magnetic stripe 38 of the second magnetic scale, it is used to read the relative position of the second moving part 4 and the first moving part 3 in the second preset direction; two groups of second photoelectric baffles 35 are fixedly installed on the bottom plate three 44 close to the side of the first moving part 3, so that when the second moving part 4 moves to the preset position of the first moving part 3, the second photoelectric baffle 35 cooperates with the second photoelectric switch 34 in the first moving part 3 to determine whether the second moving part 4 moves to the end position of the second preset stroke; a working bottom plate 45 is placed on the side of the bottom plate three 44 away from the first moving part 3, and in order to prevent the working bottom plate 45 from being displaced during operation, a positioning block 1 41 and a positioning block 2 42 are placed at the diagonal of the working bottom plate 45, and are fixedly installed above the bottom plate three 44.

[0011] Furthermore, the second movable part 4 also includes a second protective cover 11, which is a telescopic structure and is designed in two. One end of one second protective cover 11 is fixedly installed on one side of the second movable part 4, and one end of the other second protective cover 11 is fixedly installed on the other opposite side of the second movable part 4. The other ends of the two second protective covers 11 are fixedly installed on the end face of the first movable part 3; the second protective cover 11 is driven to follow the movement by the movement of the second movable part 4 along the second preset direction.

[0012] Furthermore, the extrusion mechanism 6 includes: a back plate 51, the back side of the back plate 51 is fixedly installed with the support 12 50 in the third moving part 7, and at the same time, the front side of the back plate 51 is fixedly installed with support plate 1 55, support plate 2 74, and support plate 3 71 in an interval arrangement from top to bottom, and support plate 1 55, support plate 2 74, and support plate 3 71 are also fixed with support 13 76 for fixing with the back plate 51; a support rod 1 75 is fixedly installed between the support plate 1 55 and the support plate 3 71; a support rod 2 77 is fixedly installed between the support plate 1 55 and the support plate 2 74; a support rod 3 78 is fixedly installed between the support plate 2 74 and the support plate 3 71. 3; a fixing frame 53 is fixedly installed on the top of the support plate 1 55, and a feed guide block 54 is fixedly installed on the upper part of the fixing frame 53; an electric slip ring 57 is fixedly installed below the support plate 1 55; a rotatably matched electric slip ring fixture 58 is installed below the electric slip ring 57, and a hollow servo motor 59 is fixedly installed below the electric slip ring fixture 58; a gear 61 is fixedly installed on the end of the output shaft of the hollow servo motor 59; a bearing 78 is inlaid and fixedly installed in the middle of the support plate 2 74, and a rotating fixing flange 60 is fixedly installed on the inner ring of the bearing 78, and the rotating fixing flange 60 is coaxially fixed with the hollow servo motor 59; a side of the support plate 3 71 is inlaid and fixedly installed There is a bearing 2 79, and a rotating fixed flange 2 66 is fixedly installed on the inner ring of the bearing 2 79; a support rod 4 63 is fixedly installed between the rotating fixed flange 2 66 and the rotating fixed flange 1 60; a synchronous wheel 2 68 is fixedly installed on the side of the rotating fixed flange 2 66 away from the rotating fixed flange 1 60, and a discharge guide block 67 is fixedly installed below the synchronous wheel 2 68; a servo motor 72 is fixedly installed on the other side of the support plate 3 71, and a synchronous wheel 1 70 is fixedly installed on the end of the output shaft of the servo motor 72; the synchronous wheel 1 70 is meshed with the synchronous wheel 2 68 through a synchronous belt 69 and rotates with each other; the rotating fixed flange 2 66 and the rotating fixed flange 1 60 are fixedly installed. A feed stud 1 64 and a feed stud 2 65 are installed therebetween for rotational cooperation, and the threaded portions on the feed stud 1 64 and the feed stud 2 65 are arranged alternately up and down to form a stud feed port, and a gear 2 62 is fixedly installed on one end of the feed stud 1 64 and the feed stud 2 65 near the rotating fixed flange 1 60, and the gear 2 62 is meshed with the gear 1 61; the feed port of the feed guide block 54 is sequentially connected with the through hole of the fixing frame 53, the through hole of the electric slip ring 57, the through hole of the electric slip ring fixture 58, the through hole of the hollow servo motor 59, the stud feed port, the through hole of the rotating fixed flange 2 66, the through hole of the synchronous wheel 2 68, and the discharge port of the discharge guide block 67 for material feeding.

[0013] The beneficial effects of the present invention are:

[0014] The present invention constructs a new type of solid-state metal 3D printing equipment through the ingenious cooperation of each moving part and the extrusion mechanism. The equipment can realize the precise layer-by-layer deposition of metal in a non-melting manner, so as to solve the problem of inconsistent physical properties caused by the melting process in the existing metal 3D printing technology, avoid the material inhomogeneity that may be introduced in the melting process, improve the density and mechanical properties of the product, and ensure that the physical properties of the product from the surface to the inside are highly consistent; and the solid-state printing process reduces the use of high-energy beam equipment, reduces energy consumption and material waste, and thus reduces production costs; the present invention provides a new solution for the field of metal additive manufacturing, which can effectively overcome many limitations in the existing technology and open up a new path for the rapid, efficient, low-cost and high-quality manufacturing of complex metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall axonometric structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the internal overall front axonometric structure of the present invention;

[0017] Figure 3 It is a schematic diagram of the internal overall back axonometric structure of the present invention;

[0018] Figure 4 It is a schematic diagram of the axonometric structure of the base and the lifting mechanism of the present invention;

[0019] Figure 5 It is a schematic diagram of the isometric structure of the base and the lifting mechanism of the present invention in another direction;

[0020] Figure 6 It is a schematic diagram of the upper isometric structure of the first moving part of the present invention;

[0021] Figure 7 It is a schematic diagram of the lower axonometric structure of the first moving part of the present invention;

[0022] Figure 8 It is a schematic diagram of the upper isometric structure of the second moving part of the present invention;

[0023] Fig. 9 It is a schematic diagram of the lower axonometric structure of the second moving part of the present invention;

[0024] Fig.10 It is a schematic diagram of the front axonometric structure of the third moving part of the present invention;

[0025] Fig.11 It is a schematic diagram of the back axonometric structure of the third moving part of the present invention;

[0026] Fig.12 It is a schematic diagram of the internal structure of the extrusion mechanism of the present invention;

[0027] Fig.13 It is a schematic diagram of the main internal structure of the extrusion mechanism of the present invention;

[0028] Fig.14 This is a schematic diagram of the axonometric structure of the control cabinet of the present invention;

[0029] Fig.15 This is a schematic diagram of the axonometric structure of the operation panel of the present invention;

[0030] Fig.16 It is a schematic diagram of a partially enlarged structure of the magnetic scale of the present invention;

[0031] Fig.17 It is a schematic diagram of a partially enlarged structure of a photoelectric switch of the present invention;

[0032] The numbers in the figure are: 1, frame; 2, base; 3, first moving part; 4, second moving part; 5, lifting mechanism; 6, extrusion mechanism; 7, third moving part; 8, operation panel; 9, control cabinet; 10, first protective cover; 11, second protective cover; 12, cabinet; 13, bottom plate 1; 14, first guide rail; 15, first slide block; 16, lifting ring; 17, first magnetic scale magnetic strip; 18, first magnetic scale reader; 19, support 1; 20, first linear motor stator; 21, first linear motor mover; 22, first 1 photoelectric switch; 23, first photoelectric baffle; 24, photoelectric switch bracket; 25, support 2; 26, linear module guide rail; 27, linear module slide; 28, support 3; 29, support 4; 30, support 5; 31, bottom plate 2; 32, second guide rail; 33, second slide; 34, second photoelectric switch; 35, second photoelectric baffle; 36, second linear motor stator; 37, second linear motor mover; 38, second magnetic scale magnetic strip; 39, second magnetic scale reader; 40, support 6; 41, positioning block 1; 4 2. Positioning block 2; 43. Support 7; 44. Bottom plate 3; 45. Working bottom plate; 46. Support 8; 47. Support 9; 48. Support 10; 49. Support 11; 50. Support 12; 51. Back plate; 52. Shield; 53. Fixing frame; 54. Feed guide block; 55. Support plate 1; 56. Base plate; 57. Electric slip ring; 58. Electric slip ring fixture; 59. Hollow servo motor; 60. Rotating fixing flange 1; 61. Gear 1; 62. Gear 2; 63. Support rod 4; 64. Feed stud 1; 65. Feed stud two; 66. Rotating fixed flange two; 67. Discharge guide block; 68. Synchronous wheel two; 69. Synchronous belt; 70. Synchronous wheel one; 71. Support plate three; 72. Servo motor; 73. Support rod three; 74. Support plate two; 75. Support rod one; 76. Support thirteen; 77. Support rod two; 78. Bearing one; 79. Bearing two; 80. Industrial slide rail; 81. Drawer; 82. Control base plate; 83. Driver; 84. Controller; 85. Touch screen; 86. Button; 87. Emergency stop button. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other arbitrarily without conflict.

[0034] Example 1: Figure 1-17As shown, a new type of solid metal 3D printing equipment includes a base 2, a lifting mechanism 5, a first moving part 3, a second moving part 4, a third moving part 7, and an extrusion mechanism 6; the base 2 is used to install the lifting mechanism 5 and the first moving part 3, and the first moving part 3 is located between two groups of the lifting mechanisms 5; the first moving part 3 is installed on the base 2, so as to realize the second moving part 4 to follow the first moving part 3 to move along the first preset direction through the drive of the base 2; the second moving part 4 is installed on the first moving part 3, so as to realize the second moving part 4 to move along the second preset direction through the drive of the first moving part 3; the third moving part 7 is installed above the second moving part 4 through the lifting mechanism 5, so as to drive the third moving part 7 to move along the third preset direction through the lifting mechanism 5; the third moving part 7 moves along the third preset direction, so as to drive the extrusion mechanism 6 installed on the third moving part 7 to move closer to or away from each other relative to the second moving part 4 along the third preset direction; the extrusion mechanism 6 is used to realize the rotational extrusion of solid metal.

[0035] Furthermore, the novel solid-state metal 3D printing device also includes a frame 1, a base plate 56 is fixedly installed above the frame 1, a cabinet 12 is installed on the outside, and the base 2 is fixedly installed above the base plate 56.

[0036] Furthermore, if Figure 4 , 5 As shown, the base 2 comprises:

[0037] Bottom plate 13, the bottom plate 13 is fixedly installed above the base plate 56; four right-angle ends above the bottom plate 13 are evenly distributed and fixedly installed with lifting rings 16 to provide lifting fulcrums for the installation process or the transportation process;

[0038] The first guide rails 14 are two groups and are fixedly mounted on the bottom plate 13 in a centrally symmetrical manner. The two groups of first guide rails 14 are arranged in parallel along a first preset direction to guide the movement of the first moving part 3 along the first preset direction;

[0039] The first driving part includes a first linear motor stator 20, a first magnetic scale magnetic stripe 17, and a first linear motor mover 21. The first linear motor stator 20 is fixedly mounted on the bottom plate 13 and located between the two groups of first guide rails 14. The first magnetic scale magnetic stripe 17 located on one side of the first linear motor stator 20 is fixedly mounted on the bottom plate 13, and the first magnetic scale magnetic stripe 17 and the first linear motor stator 20 are arranged in parallel. The first linear motor mover 21 is fixedly mounted on the side of the first moving part 3 close to the bottom plate 13, and the first linear motor mover 21 cooperates with the first linear motor stator 20, so that the first moving part 3 can move along the first preset direction under the action of the first driving part.

[0040] The first photoelectric switch 22, two groups of the first photoelectric switches 22 are fixedly mounted on the photoelectric switch bracket on the base plate 13, and the first photoelectric switch 22 is located on the other side of the first linear motor stator 20, so as to enable the first moving part 3 to move along the first preset direction within the first preset stroke.

[0041] Furthermore, if Figure 6 , 7 As shown, the first moving part 3 includes:

[0042] A bottom plate 2 31, two groups of supports 49 arranged in parallel are fixedly installed on one side of the bottom plate 2 31 close to the base 2, and a first slider 15 is fixedly installed on the end of the support 4 29, and the first slider 15 cooperates with the first guide rail 14 in the base 2 to enable the first slider 15 to move along the first guide rail 14; a support 6 40 is fixedly installed on one side of the bottom plate 2 31 close to the base 2 and is located between the two groups of supports 4 29, and the first linear motor mover 21 in the base 2 is fixedly installed on the end of the support 6 40; a support 5 30 is also fixedly installed on the side of the bottom plate 2 31 close to the base 2, and the end of the support 5 30 is fixedly installed A first magnetic scale reader 18 is installed, and the first magnetic scale reader 18 is installed above the first magnetic scale magnetic stripe 17 in the base 2, so as to read the relative position of the first moving part 3 and the base 2 in the first preset direction; two groups of first photoelectric baffles 23 are fixedly installed on the bottom plate 2 near the side of the base 2, so that when the first moving part 3 moves to the preset position of the base 2, the first photoelectric baffle 23 cooperates with the first photoelectric switch 22 in the base 2 to determine whether the first moving part 3 moves to the end position of the first preset stroke; it should be noted that the end position represents the starting position and the end position of the first preset stroke;

[0043] The second guide rails 32 are two groups and are fixedly mounted on the side of the bottom plate 31 away from the base 2 in a centrally symmetrical manner. The two groups of second guide rails 32 are arranged in parallel along a second preset direction to guide the movement of the second moving part 4 along the second preset direction;

[0044] The second driving part includes a second linear motor stator 36, a second magnetic scale magnetic stripe 38, and a second linear motor mover 37. The second linear motor stator 36 is fixedly mounted on the side of the bottom plate 2 31 away from the base 2 and located between the two sets of second guide rails 32; the second magnetic scale magnetic stripe 38 located on one side of the second linear motor stator 36 is fixedly mounted on the side of the bottom plate 2 31 away from the base 2, and the second magnetic scale magnetic stripe 38 and the second linear motor stator 36 are arranged in parallel; the second linear motor mover 37 is fixedly mounted on the side of the second moving part 4 close to the bottom plate 2 31, and the second linear motor mover 37 cooperates with the second linear motor stator 36, so that the second moving part 4 can move along the second preset direction under the action of the second driving part; the second preset direction is perpendicular to the first preset direction;

[0045] The second photoelectric switch 34, two groups of the second photoelectric switches 34 are fixedly mounted on the photoelectric switch bracket on the side of the bottom plate 31 away from the base 2, and the second photoelectric switch 34 is located on the other side of the second linear motor stator 36, so as to enable the second moving part 4 to move along the second preset direction within the second preset stroke.

[0046] Furthermore, the first movable part 3 also includes a first protective cover 10, which is a telescopic structure and is designed in two. One end of one first protective cover 10 is fixedly installed on one side of the first movable part 3, and one end of the other first protective cover 10 is fixedly installed on the other opposite side of the first movable part 3. The other ends of the two first protective covers 10 are fixedly installed above the base 2; the first protective cover 10 is driven to follow the movement by the movement of the first movable part 3 along the first preset direction.

[0047] Furthermore, if Figure 8 , 9 As shown in , 16 and 17, the second moving part 4 includes:

[0048] A bottom plate three 44, a support seven 43 arranged in parallel is fixedly installed on the side of the bottom plate three 44 close to the first moving part 3, and a second slider 33 is fixedly installed on the end of the support seven 43, and the second slider 33 cooperates with the second guide rail 32 in the first moving part 3 to enable the second slider 33 to move along the second guide rail 32; a support nine 47 is fixedly installed on the side of the bottom plate three 44 close to the first moving part 3 and is located between the two groups of support sevens 43, and the second linear motor mover 37 in the first moving part 3 is fixedly installed on the end of the support nine 47; a support eight 46 is fixedly installed on the side of the bottom plate three 44 close to the first moving part 3, and a second magnetic scale reader 39 is fixedly installed on the end of the support eight 46, and the second magnetic scale reader 39 is installed on the first The second magnetic scale is above the magnetic stripe 38, so as to read the relative position of the second moving part 4 and the first moving part 3 in the second preset direction. At the same time, the first moving part 3 does not move relative to the second preset direction of the base 2, so as to realize reading the relative position of the second moving part 4 and the base 2 in the second preset direction; the bottom plate 3 44 is fixedly installed with two groups of second photoelectric baffles 35 on one side close to the first moving part 3, so as to realize that when the second moving part 4 moves to the preset position of the first moving part 3, the second photoelectric baffle 35 cooperates with the second photoelectric switch 34 in the first moving part 3 to determine whether the second moving part 4 moves to the end position of the second preset stroke; it should be noted that the end position represents the starting position and the end position of the second preset stroke;

[0049] A working bottom plate 45 is placed on the side of the bottom plate three 44 away from the first moving part 3. At the same time, in order to prevent the working bottom plate 45 from being displaced during operation, a positioning block 1 41 and a positioning block 2 42 are placed at the diagonals of the working bottom plate 45 and fixedly installed above the bottom plate three 44; illustratively, the positioning block 1 41 and the positioning block 2 42 are L-shaped, and are used to realize the positioning of the working bottom plate 45 on the bottom plate three 44 in the first and second preset directions.

[0050] Furthermore, the second movable part 4 also includes a second protective cover 11, which is a telescopic structure and is designed in two. One end of one second protective cover 11 is fixedly installed on one side of the second movable part 4, and one end of the other second protective cover 11 is fixedly installed on the other opposite side of the second movable part 4. The other ends of the two second protective covers 11 are fixedly installed on the end face of the first movable part 3; the second protective cover 11 is driven to follow the movement by the movement of the second movable part 4 along the second preset direction.

[0051] Furthermore, if Figure 4 , 5 As shown, the lifting mechanism 5 includes:

[0052] Supports 25, the support 25 is in two groups and is fixedly mounted on two ends of the bottom plate 13 of the base 2 close to the first moving part 3 along the first preset direction;

[0053] Support 1 19, the support 1 19 is fixedly mounted on both sides of the support 2 25 along the second preset direction and fixed to the bottom plate 1 13, so as to prevent the support 2 25 from tipping forward and backward;

[0054] Linear modules, the linear modules are in two groups, each including a linear module guide rail 26 and a linear module slide 27, the linear module guide rail 26 is embedded and fixedly installed inside the support 25, the linear module slide 27 is installed at the end of the support 11 49 in the third moving part 7, and the servo motor provides power to drive the linear module slide 27 matched with the linear module guide rail 26 to drive the third moving part 7 to move along a third preset direction, and the first preset direction, the second preset direction, and the third preset direction are perpendicular to each other;

[0055] Support three 28, both ends of the support three 28 are fixedly mounted on the top of the two supports two 25 to prevent the support two 25 from tipping over to the left and right.

[0056] Furthermore, if Figure 10-13 As shown, the extrusion mechanism 6 includes:

[0057] A back plate 51, the back of the back plate 51 is fixedly mounted with the support 12 50 in the third moving part 7, and the front of the back plate 51 is fixedly mounted with support plates 1 55, 2 74, and 3 71 arranged at intervals from top to bottom, and support plates 1 55, 2 74, and 3 71 are also fixed with support 13 76 for fixing with the back plate 51;

[0058] A support rod 1 75 is fixedly installed between the support plate 1 55 and the support plate 3 71; a support rod 2 77 is fixedly installed between the support plate 1 55 and the support plate 2 74; a support rod 3 73 is fixedly installed between the support plate 2 74 and the support plate 3 71;

[0059] A fixing frame 53 is fixedly installed above the support plate 1 55, and a feed guide block 54 is fixedly installed on the upper part of the fixing frame 53; an electric slip ring 57 is fixedly installed below the support plate 1 55; a rotatably matched electric slip ring fixture 58 is installed below the electric slip ring 57, and a hollow servo motor 59 is fixedly installed below the electric slip ring fixture 58; a gear 1 61 is fixedly installed at the end of the output shaft of the hollow servo motor 59;

[0060] A bearing 78 is fixedly mounted in the middle of the support plate 74, and a rotating fixed flange 60 is fixedly mounted on the inner ring of the bearing 78, and the rotating fixed flange 60 is coaxially fixed with the hollow servo motor 59;

[0061] A bearing 2 79 is inlaid and fixedly installed on one side of the support plate 3 71, and a rotating fixed flange 2 66 is fixedly installed on the inner ring of the bearing 2 79; a support rod 4 63 is fixedly installed between the rotating fixed flange 2 66 and the rotating fixed flange 1 60; a synchronous wheel 2 68 is fixedly installed on the side of the rotating fixed flange 2 66 away from the rotating fixed flange 1 60, and a discharge guide block 67 is fixedly installed below the synchronous wheel 2 68; a servo motor 72 is fixedly installed on the other side of the support plate 3 71, and a synchronous wheel 1 70 is fixedly installed on the end of the output shaft of the servo motor 72; the synchronous wheel 1 70 meshes with the synchronous wheel 2 68 through a synchronous belt 69 and rotates with each other;

[0062] A feed stud 1 64 and a feed stud 2 65 are installed between the rotating fixed flange 2 66 and the rotating fixed flange 1 60, and the threaded parts on the feed stud 1 64 and the feed stud 2 65 are arranged in an up-and-down staggered manner to form a stud feed port. A gear 2 62 is fixedly installed on one end of the feed stud 1 64 and the feed stud 2 65 near the rotating fixed flange 1 60, and the gear 2 62 is meshed with the gear 1 61;

[0063] The feed port of the feed guide block 54 is sequentially connected with the through hole of the fixing frame 53, the through hole of the electric slip ring 57, the through hole of the electric slip ring fixture 58, the through hole of the hollow servo motor 59, the stud feed port, the through hole of the second rotating fixing flange 66, the through hole of the second synchronous wheel 68, and the discharge port of the discharge guide block 67 for material feeding;

[0064] The shield 52 is fixedly mounted on the outside of the support plate 1 55 , the support plate 2 74 , and the support plate 3 71 to protect the internal structure of the extrusion mechanism 6 .

[0065] By applying the above technical solution, it can be known that the extrusion mechanism 6 can drive the gear 1 61 to rotate through the hollow servo motor 59, further realize the rotation of the gear 2 62, and further realize the rotation of the feed stud 1 64 and the feed stud 2 65, so as to realize that the material is extruded toward the discharge guide block 67 under the rotation extrusion of the feed stud 1 64 and the feed stud 2 65; at the same time, the extrusion mechanism can drive the synchronous wheel 1 70 to rotate through the servo motor 72, and further drive the synchronous wheel 2 68 to rotate through the synchronous belt 69, and further realize the rotation of the rotating fixed flange 1 60 and the rotating fixed flange 2 66, so as to realize the rotation of the material, and finally realize the high-speed rotation of the material while realizing downward extrusion; the extrusion mechanism further realizes the three-dimensional 3D printing of solid metal by a new type of solid metal 3D printing equipment through the high-speed rotating material extruded and the high-speed friction with the working base plate 45, and through the mutual cooperation between the first moving part 3, the second moving part 4, and the third moving part 7.

[0066] Furthermore, if Fig.10 , 11 As shown, the third movable part 7 includes: a support 11 49, a support 12 50 is fixedly installed in the middle of the support 11 49, and supports 10 48 are fixedly installed at both ends of the support 11 49, and the linear module slide 27 in the lifting mechanism 5 is fixedly installed on the other side of the support 10 48.

[0067] Furthermore, if Fig.14 , 15As shown, the printing device also includes an operation panel 8 and a control cabinet 9. The operation panel 8 is fixedly mounted on the side of the cabinet 12, and the control cabinet 9 is mounted inside the frame 1. The operation panel 8 enables personnel to set parameters for a new type of solid-state metal 3D printing device. Specifically, the operation panel 8 includes: a touch screen 85, which is fixedly mounted on the side of the cabinet 12, and a common button 86 and an emergency stop button 87 are fixedly mounted below; the touch screen 85, the button 86, and the emergency stop button 87 are connected to the controller 84 in the control cabinet 9. The button 86 is used for power on, start, power off, and reset respectively; the touch screen 85 is connected to the controller 84 to control and display the real-time status of the first drive unit, the second drive unit, the linear module servo motor, the hollow servo motor 59, and the servo motor 72. The control cabinet 9 includes: an industrial slide 80 and a drawer 81. A control base plate 82 is fixedly installed inside the drawer 81, and a driver 83 and a controller 84 are fixedly installed on the front of the control base plate 82; the driver 83 is connected to the controller 84, and five drivers 83 are arranged. The driver 83 is controlled by the controller 84 to drive the first drive unit, the second drive unit, the linear module servo motor, the hollow servo motor 59, and the servo motor 72; the back of the drawer 81 is fixedly installed on one end of the industrial slide 80, and the other end of the industrial slide 80 is fixedly installed inside the frame 1; so as to realize the pulling and pulling movement of the drawer 81.

[0068] Parameters are set through the control panel 8, and relevant instructions are given to the controller 84 and the driver 83 in the control cabinet 9, so as to further realize precise control of the first movable part 3, the second movable part 4, and the third movable part 7, realize accurate path planning of the discharge guide block 67, and thus realize that the extruded material can be stacked into a preset shape; at the same time, high-speed friction is used to achieve consistency in the mechanical properties of each layer of the finished product, thereby ensuring the effective utilization rate of the finished product.

[0069] Further, the specific use process of the present invention is given:

[0070] Before using the solid-state metal 3D printing device, first place the solid-state metal 3D printing device steadily. Figure 1-Figure 17 When the device is used, first connect the solid-state metal 3D printing device to an external power supply, and control the first moving part 3, the second moving part 4, and the third moving part 7 to return to the working origin position through the operation panel 8, that is, Figure 1As shown, the solid-state metal 3D printing device automatically establishes a Cartesian coordinate system, further imports a target three-dimensional model into an external industrial control computer and automatically generates a G code, and then controls the first preset direction moving speed and direction of the first moving part 3, the second preset direction moving speed and direction of the second moving part 4, the third preset direction moving speed and direction of the third moving part 7, and the extrusion speed and rotation speed of the extrusion mechanism 6 for the material through a controller connected to the industrial control computer.

[0071] In the above, the operation panel 8 is used to control the first movable part 3, the second movable part 4, and the third movable part 7 to return to the working origin position, that is, the working base plate 45 in the second movable part 4 is moved to the working origin position, which is specifically described as follows: the first movable part 3 recognizes the first magnetic scale magnetic strip 17 fixedly installed at the corresponding position above the base 2 through the first magnetic scale reader 18 installed inside, so that the control cabinet 9 recognizes the relative position and relative speed of the first movable part 3 in the first preset direction relative to the base 2, and the second movable part 4 moves to the working origin position in the first preset direction; the second movable part 4 recognizes the second magnetic scale magnetic strip 38 fixedly installed at the corresponding position above the first movable part 3 through the second magnetic scale reader 39 installed inside, so that the control cabinet 9 recognizes the relative position and relative speed of the second movable part 4 in the second preset direction relative to the first movable part 3, and the second movable part 4 moves to the working origin position in the second preset direction. The relative position of the second preset direction does not change with respect to the base 2, and the control cabinet 9 further recognizes the relative position and relative speed of the second movable part 4 in the second preset direction relative to the base 2; the third movable part 7 slowly descends at a uniform speed through the lifting mechanism 5 until the discharge guide block 67 contacts the working bottom plate 45 and reaches the working origin, so that the control cabinet 9 recognizes the relative position of the third movable part 7 in the third preset direction relative to the second movable part 4. Since the relative positions of the second movable part 4 and the first movable part 3 do not change with respect to the base 2 in the third preset direction, the control cabinet 9 recognizes the relative position of the third movable part 7 in the third preset direction relative to the base 2. Furthermore, by controlling the rotation speed of the servo motor inside the linear module guide rail, the control cabinet 9 recognizes the relative speed of the third movable part 7 in the third preset direction relative to the base 2, thereby realizing the control cabinet 9 recognizing the relative position and relative speed of the extrusion mechanism 6 in the third preset direction relative to the base 2.

[0072] The working principle of the extrusion mechanism 6 is as follows: the extrusion mechanism 6 drives the gear 1 61 to rotate through the hollow servo motor 59, further drives the gear 2 62 to rotate, and further realizes the rotation of the feed stud 1 64 and the feed stud 2 65; put the material into the feed guide block 54, and under the action of the rotation of the stud 1 64 and the feed stud 2 65, the material is squeezed and deformed, and extruded downward along the thread; at the same time, the synchronous wheel 1 70 is driven to rotate by the servo motor 72, and the synchronous wheel 2 68 is driven to rotate by the synchronous belt 69, further driving the rotating fixed flange 2 66 and the rotating fixed flange 1 60 to rotate, and further driving the material to rotate. When the extrusion mechanism 6 descends to the top of the working bottom plate 45, the material contacts the working bottom plate 45 and rotates and rubs at a high speed. Under the action of friction, the temperature of the material rises and begins to soften. Then, through the mutual cooperation between the first moving part 3, the second moving part 4, and the third moving part 7, the material is accumulated, and solid-state metal 3D printing is further realized. The threads of feed stud 1 64 and feed stud 2 65 are threads in the same direction, and are explained as right-hand threads. Looking from top to bottom, gear 1 61 rotates clockwise, driving gear 2 62 to rotate counterclockwise, and then driving feed stud 1 64 and feed stud 2 65 to rotate counterclockwise, and the extrusion of consumables can be achieved under the action of the threads; if the rotation directions of feed stud 1 64 and feed stud 2 65 are opposite, the working principle is also opposite.

[0073] During the device testing process, if an emergency occurs, the device can be quickly powered off by pressing the emergency stop button on the operation panel 8 to avoid injury to the staff.

[0074] The specific implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A new type of solid-state metal 3D printing equipment, characterized in that: It comprises a base (2), a lifting mechanism (5), a first moving part (3), a second moving part (4), a third moving part (7), and an extrusion mechanism (6); The base (2) is used to install a lifting mechanism (5) and a first moving part (3), and the first moving part (3) is located between two groups of the lifting mechanisms (5); The first moving part (3) is mounted on the base (2) so as to enable the second moving part (4) to follow the first moving part (3) and move along a first preset direction through the driving of the base (2); The second moving part (4) is mounted on the first moving part (3) so as to realize the movement of the second moving part (4) along a second preset direction through the driving of the first moving part (3); The third movable part (7) is installed above the second movable part (4) via the lifting mechanism (5) so as to drive the third movable part (7) to move along a third preset direction via the lifting mechanism (5); the third movable part (7) moves along the third preset direction, thereby driving an extrusion mechanism (6) installed on the third movable part (7) to move closer to or farther from the second movable part (4) along the third preset direction; the extrusion mechanism (6) is used to realize the rotational extrusion of solid metal.

2. The new solid-state metal 3D printing device according to claim 1 is characterized in that: The base (2) comprises: Bottom plate one (13); First guide rails (14), the first guide rails (14) are in two groups and are fixedly installed on the first bottom plate (13) in a centrally symmetrical manner, and the two groups of first guide rails (14) are arranged in parallel along a first preset direction to guide the movement of the first moving part (3) along the first preset direction; A first driving unit, the first driving unit comprising a first linear motor stator (20), a first magnetic scale magnetic stripe (17), and a first linear motor mover (21), wherein the first linear motor stator (20) is fixedly mounted on the bottom plate (13) and located between the two groups of first guide rails (14); the first magnetic scale magnetic stripe (17) located on one side of the first linear motor stator (20) is fixedly mounted on the bottom plate (13), and the first magnetic scale magnetic stripe (17) and the first linear motor stator (20) are arranged in parallel; the first linear motor mover (21) is fixedly mounted on a side of the first moving unit (3) close to the bottom plate (13), and the first linear motor mover (21) cooperates with the first linear motor stator (20) so that the first moving unit (3) can move along a first preset direction; A first photoelectric switch (22), two groups of the first photoelectric switches (22) are fixedly mounted on a photoelectric switch bracket on the base plate (13), and the first photoelectric switch (22) is located on the other side of the first linear motor stator (20), so as to enable the first moving part (3) to move along a first preset direction within a first preset stroke.

3. The new solid-state metal 3D printing device according to claim 1 is characterized in that: The first moving part (3) comprises: A bottom plate 2 (31), wherein two groups of supports 4 (29) arranged in parallel are fixedly installed on one side of the bottom plate 2 (31) close to the base (2), and a first slider (15) is fixedly installed on the end of the support 4 (29), and the first slider (15) cooperates with a first guide rail (14) in the base (2) to enable the first slider (15) to move along the first guide rail (14); a support 6 (40) is fixedly installed on one side of the bottom plate 2 (31) close to the base (2) and is located between the two groups of supports 4 (29), and a first linear motor mover (21) in the base (2) is fixedly installed on the end of the support 6 (40); a bottom plate 2 (31) is also fixedly installed on one side of the bottom plate 2 (31) close to the base (2) Support five (30), the end of the support five (30) is fixedly mounted with a first magnetic scale reader (18), the first magnetic scale reader (18) is mounted above the first magnetic scale magnetic strip (17) in the base (2), and is used to read the relative position of the first moving part (3) and the base (2) in a first preset direction; two groups of first photoelectric baffles (23) are fixedly mounted on one side of the bottom plate (31) close to the base (2), so that when the first moving part (3) moves to the preset position of the base (2), the first photoelectric baffles (23) cooperate with the first photoelectric switch (22) in the base (2) to determine whether the first moving part (3) moves to the end point position of the first preset stroke; The second guide rails (32) are two groups and are fixedly mounted on the side of the bottom plate (31) away from the base (2) in a centrally symmetrical manner. The two groups of second guide rails (32) are arranged in parallel along a second preset direction to guide the movement of the second moving part (4) along the second preset direction. A second driving part, the second driving part comprises a second linear motor stator (36), a second magnetic scale magnetic stripe (38), and a second linear motor mover (37); the second linear motor stator (36) is fixedly mounted on the side of the bottom plate 2 (31) away from the base (2) and located between the two sets of second guide rails (32); the second magnetic scale magnetic stripe (38) located on one side of the second linear motor stator (36) is fixedly mounted on the side of the bottom plate 2 (31) away from the base (2), and the second magnetic scale magnetic stripe (38) and the second linear motor stator (36) are arranged in parallel; the second linear motor mover (37) is fixedly mounted on the side of the second moving part (4) close to the bottom plate 2 (31), and the second linear motor mover (37) cooperates with the second linear motor stator (36) to enable the second moving part (4) to move along a second preset direction; the second preset direction is perpendicular to the first preset direction; A second photoelectric switch (34), two groups of the second photoelectric switches (34) are fixedly mounted on a photoelectric switch bracket on the side of the bottom plate (31) away from the base (2), and the second photoelectric switch (34) is located on the other side of the second linear motor stator (36) so as to enable the second moving part (4) to move along a second preset direction within a second preset stroke.

4. The new solid-state metal 3D printing device according to claim 3 is characterized in that: The first movable part (3) further comprises a first protective cover (10), the first protective cover (10) being a telescopic structure and being designed in two pieces, one end of one first protective cover (10) being fixedly mounted on one side of the first movable part (3), and one end of the other first protective cover (10) being fixedly mounted on the other side opposite to the first movable part (3), and the other ends of the two first protective covers (10) being fixedly mounted above the base (2); the first protective covers (10) are driven to follow the movement by the movement of the first movable part (3) along the first preset direction.

5. The novel solid-state metal 3D printing device according to claim 1 is characterized in that: The second moving part (4) comprises: A bottom plate three (44), wherein a support seven (43) arranged in parallel is fixedly installed on one side of the bottom plate three (44) close to the first moving part (3), and a second slider (33) is fixedly installed on the end of the support seven (43), and the second slider (33) cooperates with the second guide rail (32) in the first moving part (3) to enable the second slider (33) to move along the second guide rail (32); a support nine (47) is fixedly installed on one side of the bottom plate three (44) close to the first moving part (3) and is located between the two groups of support seven (43), and a second linear motor mover (37) in the first moving part (3) is fixedly installed on the end of the support nine (47); the bottom plate three (44) is fixedly installed on one side of the bottom plate three (44) close to the first moving part (3) A support eight (46) is installed, and a second magnetic scale reader (39) is fixedly installed at the end of the support eight (46), and the second magnetic scale reader (39) is installed above the second magnetic scale magnetic strip (38) to read the relative position of the second moving part (4) and the first moving part (3) in a second preset direction; two groups of second photoelectric baffles (35) are fixedly installed on one side of the bottom plate three (44) close to the first moving part (3), so that when the second moving part (4) moves to the preset position of the first moving part (3), the second photoelectric baffle (35) cooperates with the second photoelectric switch (34) in the first moving part (3) to determine whether the second moving part (4) moves to the end point position of the second preset stroke; A working bottom plate (45) is placed on the side of the bottom plate three (44) away from the first moving part (3). To prevent the working bottom plate (45) from shifting during operation, a positioning block one (41) and a positioning block two (42) are placed at the diagonal positions of the working bottom plate (45) and are fixedly mounted above the bottom plate three (44).

6. The novel solid-state metal 3D printing device according to claim 5 is characterized in that: The second movable part (4) further comprises a second protective cover (11), the second protective cover (11) being a telescopic structure and being designed in two pieces, one end of one second protective cover (11) being fixedly mounted on one side surface of the second movable part (4), the other end of the other second protective cover (11) being fixedly mounted on the other side surface opposite to the second movable part (4), and the other ends of the two second protective covers (11) being fixedly mounted on the end surface of the first movable part (3); the second protective cover (11) is driven to follow the movement by the movement of the second movable part (4) along the second preset direction.

7. The new solid-state metal 3D printing device according to claim 1 is characterized in that: The extrusion mechanism (6) comprises: A back plate (51), the back side of the back plate (51) is fixedly mounted with the support 12 (50) in the third movable part (7), and the front side of the back plate (51) is fixedly mounted with support plate 1 (55), support plate 2 (74), and support plate 3 (71) arranged in intervals from top to bottom, and support plate 1 (55), support plate 2 (74), and support plate 3 (71) are also fixedly mounted with support 13 (76) for fixing with the back plate (51); A support rod 1 (75) is fixedly installed between the support plate 1 (55) and the support plate 3 (71); a support rod 2 (77) is fixedly installed between the support plate 1 (55) and the support plate 2 (74); a support rod 3 (73) is fixedly installed between the support plate 2 (74) and the support plate 3 (71); A fixing frame (53) is fixedly mounted above the support plate (55), and a feed guide block (54) is fixedly mounted on the upper part of the fixing frame (53); an electric slip ring (57) is fixedly mounted below the support plate (55); a rotatably matched electric slip ring fixture (58) is mounted below the electric slip ring (57), and a hollow servo motor (59) is fixedly mounted below the electric slip ring fixture (58); a gear (61) is fixedly mounted on the end of the output shaft of the hollow servo motor (59); A bearing 1 (78) is embedded and fixedly installed in the middle of the support plate 2 (74), and a rotating fixed flange 1 (60) is fixedly installed on the inner ring of the bearing 1 (78), and the rotating fixed flange 1 (60) is coaxially fixed with the hollow servo motor (59); A bearing 2 (79) is embedded and fixedly installed on one side of the support plate 3 (71), and a rotating fixed flange 2 (66) is fixedly installed on the inner ring of the bearing 2 (79); a support rod 4 (63) is fixedly installed between the rotating fixed flange 2 (66) and the rotating fixed flange 1 (60); a synchronous wheel 2 (68) is fixedly installed on the side of the rotating fixed flange 2 (66) away from the rotating fixed flange 1 (60), and a discharge guide block (67) is fixedly installed below the synchronous wheel 2 (68); a servo motor (72) is fixedly installed on the other side of the support plate 3 (71), and a synchronous wheel 1 (70) is fixedly installed on the end of the output shaft of the servo motor (72); the synchronous wheel 1 (70) meshes with the synchronous wheel 2 (68) through a synchronous belt (69) to rotate with each other; A feed stud one (64) and a feed stud two (65) are installed between the rotating fixed flange two (66) and the rotating fixed flange one (60), and the threaded parts on the feed stud one (64) and the feed stud two (65) are arranged in an up-and-down staggered manner to form a stud feed port, and a gear two (62) is fixedly installed on one end of the feed stud one (64) and the feed stud two (65) close to the rotating fixed flange one (60), and the gear two (62) and the gear one (61) are meshed with each other; The feed port of the feed guide block (54) is sequentially connected with the through hole of the fixing frame (53), the through hole of the electric slip ring (57), the through hole of the electric slip ring fixture (58), the through hole of the hollow servo motor (59), the stud feed port, the through hole of the second rotating fixing flange (66), the through hole of the second synchronous wheel (68), and the discharge port of the discharge guide block (67) for material feeding.

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