A cutter head riveting device and riveting method for kitchen waste treatment equipment

Abstract

The present invention discloses a riveting device and riveting method for a cutter disc of a kitchen waste treatment device, comprising a stamping device, an upper die installed at the output end of the stamping device, and a positioning lower die installed on the table of the stamping device to cooperate with the upper die; the positioning lower die comprises a base installed on the table of the stamping device, and a support block detachably installed on the upper part of the base, a blade positioning groove is provided on the upper part of the support block, a rivet positioning groove is provided inside the support block adjacent to the blade positioning groove, and the support block is provided with a positioning hole and a positioning key. In the present invention, the rivet is positioned by the rivet positioning groove, the blade is positioned by the blade positioning groove, and the cutter disc is positioned by the cooperation of the positioning hole and the positioning key, and then the assembly process is realized by stamping, which facilitates assembly and removal after assembly, and easily realizes positioning, improves the yield rate, and facilitates operation.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen waste disposers, and in particular to a cutter head riveting device and a riveting method for kitchen waste disposers. Background Art

[0002] The blades on the kitchen waste disposal equipment's blade discs are fixed to the disc via riveting. Existing riveting methods typically use clamps to secure the disc directly to the disc. However, due to the disc's circular shape, clamping and securing the disc are difficult, resulting in low yields, inconvenient operation, and a significant impact on work efficiency. Summary of the Invention

[0003] (1) Technical issues to be solved

[0004] The present invention can solve the problem that the existing riveting equipment is difficult to position and fix during use, resulting in low yield rate, very inconvenient operation, and greatly affecting work efficiency.

[0005] (2) Technical solution

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a cutter head riveting device for a kitchen waste treatment device, comprising a stamping device, an upper die for extruding rivets being detachably mounted on the output end of the stamping device, and a positioning lower die that cooperates with the upper die being detachably mounted on the table of the stamping device;

[0007] The positioning lower mold includes a base installed on the table of the stamping equipment, and a support block detachably installed on the upper part of the base, the upper part of the support block is provided with a blade positioning groove for accommodating a blade, the interior of the support block adjacent to the blade positioning groove is provided with a rivet positioning groove for cooperating with a rivet, the middle part of the support block is provided with a positioning hole for cooperating with a cutter disc, and the upper part of one side of the support block is provided with a positioning key for cooperating with the cutter disc.

[0008] As a preferred technical solution of the present invention, the stamping equipment includes a machine platform and a stamping column installed on the upper part of the machine platform and movable up and down. The upper mold is installed on the lower part of the stamping column, and the base is installed in the middle of the machine platform.

[0009] As a preferred technical solution of the present invention, the upper mold includes a support seat installed at the output end of the stamping equipment, and a punch head installed at the lower part of the support seat, and the lower part of the punch head is provided with a cross-wave-shaped protrusion that contacts the rivet.

[0010] As a preferred technical solution of the present invention, a guide sleeve is installed on the lower side of the support seat, a guide column that cooperates with the guide sleeve is installed on the upper part of the base, and a through hole connected to the guide sleeve is provided in the middle of the support seat.

[0011] As a preferred technical solution of the present invention, the support block is arranged in a cylindrical shape as a whole, a raised portion cooperating with the cutter disc is provided on an upper side of one side of the support block, and the side of the positioning key is connected to the raised portion.

[0012] As a preferred technical solution of the present invention, the blade positioning groove includes a first groove and a second groove opened in the support block, the first groove is connected to the second groove, and the bottom wall of the first groove is lower than the bottom wall of the second groove.

[0013] As a preferred technical solution of the present invention, the cutter disc includes a disc body that can be placed on the upper part of the support block, a first outer protrusion arranged on both sides of the center of the disc body and can be accommodated in the positioning hole, a second outer protrusion arranged on both sides of the lower part of the disc body and can be accommodated in the blade positioning groove, a notch arranged on the outer peripheral side of the disc body and cooperating with the positioning key, and a first connecting hole cooperating with the rivet.

[0014] As a preferred technical solution of the present invention, the rivet includes a head, a connecting rod arranged on the head, and a popcorn part arranged on the upper part of the connecting rod and cooperating with the upper mold, and the connecting rod passes through the middle of the first connecting hole.

[0015] As a preferred technical solution of the present invention, a bending portion is provided on one side of the blade, and a second connecting hole that cooperates with the head is provided in the middle of the blade.

[0016] In addition, the present invention further provides a method for riveting a cutter head of a kitchen waste treatment device, which specifically includes the following steps:

[0017] S1. Adjust the pressure of the stamping equipment to 3MPa-5MPa;

[0018] S2. Place the rivet on the upper part of the rivet positioning groove, then pass the blade through the rivet and place it into the blade positioning groove, and then position the cutter head over the rivet and blade through the positioning hole and positioning key;

[0019] S3. Run the stamping equipment, which drives the upper die to move downward, squeezing the rivet to deform it, so that the blade is connected to the cutter head through the rivet, completing the press riveting assembly.

[0020] (3) Beneficial effects

[0021] 1. The rivet positioning groove of the cutter head riveting device for kitchen waste treatment equipment provided by the present invention can effectively support the placement of rivets, conveniently realize the positioning of rivets, and facilitate the insertion of rivets, making it easy to operate;

[0022] 2. The blade positioning groove of the blade disc riveting device for kitchen waste treatment equipment provided by the present invention can effectively accommodate the blade, conveniently realize the positioning of the blade, and facilitate the insertion of the blade and the docking with the rivet;

[0023] 3. The present invention provides a cutter disc riveting device for a kitchen waste disposal device. The support block and the positioning holes and positioning keys provided on the support block are used to support the cutter disc. The cutter disc is positioned by the support block and the positioning holes and positioning keys cooperate to achieve preliminary docking with the rivet and the blade after positioning. The upper die is driven downward by a stamping device to squeeze the rivet, causing the rivet to deform. This allows for a simple riveting connection between the blade and the cutter disc after positioning, and is easy to operate.

[0024] 4. The blade riveting device for the kitchen waste treatment equipment provided by the present invention has a detachable mold and a support block, which are easy to replace according to needs and can meet the riveting connection requirements of various blades and blade discs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 is an axonometric schematic diagram of the present invention;

[0027] Figure 2 It is an exploded schematic diagram of the present invention;

[0028] Figure 3 This is a schematic diagram of the cooperation between the upper mold and the lower mold of the present invention;

[0029] Figure 4 It is a schematic top view of the upper mold structure of the present invention;

[0030] Figure 5 The present invention Figure 4 A in the middle is an enlarged schematic diagram;

[0031] Figure 6 It is a schematic diagram of the structure of the support block portion of the present invention;

[0032] Figure 7 It is a schematic diagram of the structure of the blade positioning groove of the present invention;

[0033] Figure 8 It is a schematic top view of the cutter head structure of the present invention;

[0034] Figure 9 It is a schematic top view of the rivet structure of the present invention;

[0035] Figure 10 It is a schematic top view of the blade structure of the present invention;

[0036] Figure 11 This is a schematic bottom view of the assembled structure of the cutter head, rivets and blades of the present invention;

[0037] Figure 12 It is a schematic diagram of the assembly of the cutter disc, rivets and blades in the support block of the present invention;

[0038] Figure 13 It is an exploded schematic diagram of the assembly of the cutter disc, rivets and blades in the support block of the present invention.

[0039] In the figure: 1. stamping equipment; 11. machine table; 12. stamping column; 2. upper mold; 21. support seat; 22. punch head; 23. cross-wave convex head; 24. guide sleeve; 3. base; 31. guide column; 4. support block; 41. raised portion; 5. blade positioning groove; 51. first groove; 52. second groove; 6. rivet positioning groove; 7. positioning hole; 8. positioning key; 91. disk body; 92. first outer protrusion; 93. second outer protrusion; 94. notch; 95. first connecting hole; 101. head; 102. connecting rod; 103. rice flower portion; 104. bending portion; 105. second connecting hole.

[0040] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0041] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0042] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0044] In the description of the present invention, it should be understood that the terms "longitudinal", "up", "down", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0046] Example 1

[0047] like Figure 1-13 As shown, a cutter head riveting device for a kitchen waste treatment device includes a stamping device 1, an upper die 2 for extruding rivets is detachably mounted on the output end of the stamping device 1, and a positioning lower die that cooperates with the upper die 2 is detachably mounted on the table of the stamping device 1;

[0048] The positioning lower mold includes a base 3 installed on the table of the stamping equipment 1, and a support block 4 detachably installed on the upper part of the base 3. A blade positioning groove 5 for accommodating a blade is provided on the upper part of the support block 4. A rivet positioning groove 6 for cooperating with a rivet is provided inside the support block 4 adjacent to the blade positioning groove 5. A positioning hole 7 for cooperating with a cutter disc is provided in the middle part of the support block 4. The number of positioning holes 7 can be set according to needs. A positioning key 8 for cooperating with the cutter disc is provided on the upper part of one side of the support block 4. During the specific setting, in order to further cooperate with the cutter disc for support, the support block 4 is set as a whole into a cylindrical shape, and the shape is better matched with the cutter disc, and a protrusion 41 for cooperating with the cutter disc is provided on the upper part of one side of the support block 4, and the side of the positioning key 8 is connected to the protrusion 41.

[0049] See also Figure 1 and Figure 2 In the specific setting, the stamping equipment 1 includes a machine platform 11, and a stamping column 12 that can move up and down and is installed on the upper part of the machine platform 11. The upper mold 2 is installed at the lower part of the stamping column 12, and the base 3 is installed in the middle of the machine platform 11. The upper mold 2 is driven up and down by the up and down movement of the stamping column 12, and the stamping column 12 is driven by hydraulic means.

[0050] See also Figure 3 、 Figure 4 and Figure 5 In this embodiment, the upper mold 2 includes a support base 21 installed at the output end of the stamping equipment 1, and a punch head 22 installed at the lower part of the support base 21. The lower part of the punch head 22 is provided with a cross-wavy convex head 23 that contacts the rivet. When impact riveting, the lowest point of the cross-wavy convex head 23 hits the rivet first, and the highest point hits the rivet immediately afterwards. The initial impact pressure increases and then decreases, so that the deformation process of the rivet changes from overall deformation to gradual deformation, which can make the riveted end of the rivet more easily deformed to the surrounding area, which is more conducive to riveting forming and helps to improve the service life of the mold.

[0051] See also Figure 2 、 Figure 3 、 Figure 6 and Figure 7 In this embodiment, in order to further position the product during the pressing process, a guide sleeve 24 is installed on the lower side of the support seat 21, and a guide column 31 cooperating with the guide sleeve 24 is installed on the upper part of the base 3. A through hole communicating with the guide sleeve 24 is provided in the middle of the support seat 21. The guide sleeve 24 and the guide column 31 cooperate to achieve more accurate positioning and riveting, and the through hole is used to discharge the gas inside the guide sleeve 24 to facilitate pressing down.

[0052] See also Figure 7 and Figure 8 In this embodiment, in order to facilitate cooperation with the blade, the blade positioning groove 5 includes a first groove 51 and a second groove 52 opened in the support block 4, the first groove 51 is connected to the second groove 52, and the bottom wall of the first groove 51 is lower than the bottom wall of the second groove 52.

[0053] See also Figure 8 and Figure 12 The cutter disc that needs to be assembled includes a disc body 91 that can be placed on the upper part of the support block 4, a first outer protrusion 92 arranged on both sides of the center of the disc body 91 and can be accommodated in the positioning hole 7, a second outer protrusion 93 arranged on both sides of the lower part of the disc body 91 and can be accommodated in the blade positioning groove 5, a notch 94 arranged on the outer peripheral side of the disc body 91 and cooperating with the positioning key 8, and a first connecting hole 95 cooperating with the rivet.

[0054] See also Figure 9、 Figure 10 and Figure 11 The rivet to be assembled includes a head 101, a connecting rod 102 arranged on the head 101, and a popcorn portion 103 arranged on the upper part of the connecting rod 102 and cooperating with the upper mold 2. The connecting rod 102 passes through the middle of the first connecting hole 95. Both the connecting rod 102 and the popcorn portion 103 can be deformed after extrusion, thereby realizing the riveting process; and a bending portion 104 is provided on one side of the blade to be assembled, and a second connecting hole 105 cooperating with the head 101 is provided in the middle of the blade.

[0055] See also Figure 12 and Figure 13 A rack riveting method for a kitchen waste treatment device comprises the following steps:

[0056] S1. Adjust the pressure of the stamping equipment 1 to 3MPa-5MPa;

[0057] S2. Place the rivet on the upper part of the rivet positioning groove 6, then pass the blade through the rivet and into the inner part of the blade positioning groove 5, and then position the cutter head over the rivet and blade through the positioning hole 7 and the positioning key 8;

[0058] S3. The stamping equipment is operated. The stamping equipment 1 drives the upper die 2 to move downward, squeezing the rivet to deform the rivet, so that the blade is connected to the cutter head through the rivet, completing the press riveting assembly.

[0059] To sum up, in the present invention, the rivet positioning groove 6 can effectively support the placement of rivets, conveniently realize the positioning of rivets, and facilitate the insertion of rivets, which is easy to operate; the blade positioning groove 5 can effectively accommodate the blade, conveniently realize the positioning of the blade, and facilitate the insertion of the blade, and facilitate docking with the rivet; the support block 4 and the positioning hole 7 and positioning key 8 set on the support block 4 use the support block 4 to support the cutter disc, and use the cooperation of the positioning hole 7 and the positioning key 8 to position the cutter disc, and after positioning, the preliminary docking with the rivet and the blade is achieved, and the stamping equipment 1 is used to drive the upper mold 2 to move down and squeeze the rivet, so that the rivet is deformed, and the pressure riveting connection of the blade and the cutter disc after positioning can be easily achieved, which is easy to operate; the upper mold 2 and the support block 4 are both detachable, which is convenient for replacement according to needs, and can meet the pressure riveting connection of various blades and cutter discs.

[0060] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A cutter head riveting device for kitchen waste treatment equipment, comprising a punching device (1), characterized in that: An upper die (2) for extruding rivets is detachably mounted on the output end of the punching device (1), and a positioning lower die cooperating with the upper die (2) is detachably mounted on the table of the punching device (1); The positioning lower mold comprises a base (3) mounted on the table of the stamping equipment (1), and a support block (4) detachably mounted on the upper part of the base (3); a blade positioning groove (5) for accommodating a blade is provided on the upper part of the support block (4); a rivet positioning groove (6) for cooperating with a rivet is provided inside the support block (4) adjacent to the blade positioning groove (5); a positioning hole (7) for cooperating with a cutter disc is provided in the middle of the support block (4); and a positioning key (8) for cooperating with the cutter disc is provided on the upper part of one side of the support block (4); The support block (4) is arranged in a cylindrical shape as a whole, and a raised portion (41) that cooperates with the cutter disc is provided on an upper portion of one side of the support block (4), and the side portion of the positioning key (8) is connected to the raised portion (41); The blade positioning groove (5) comprises a first groove (51) and a second groove (52) opened in the support block (4), the first groove (51) is connected to the second groove (52), and the bottom wall of the first groove (51) is lower than the bottom wall of the second groove (52); The blade disc comprises a disc body (91) which can be placed on the upper part of the support block (4), a first outer protrusion (92) which is arranged on both sides of the center of the disc body (91) and can be accommodated in the positioning hole (7), a second outer protrusion (93) which is arranged on both sides of the lower part of the disc body (91) and can be accommodated in the blade positioning groove (5), a notch (94) which is arranged on the outer peripheral side of the disc body (91) and cooperates with the positioning key (8), and a first connecting hole (95) which cooperates with the rivet.

2. The cutter head riveting device of the kitchen waste treatment equipment according to claim 1, characterized in that: The stamping equipment (1) includes a machine platform (11) and a stamping column (12) installed on the upper part of the machine platform (11) and movable up and down. The upper mold (2) is installed on the lower part of the stamping column (12), and the base (3) is installed in the middle of the machine platform (11).

3. A cutter head riveting device for kitchen waste treatment equipment according to claim 1 or 2, characterized in that: The upper die (2) comprises a support seat (21) mounted on the output end of the punching device (1), and a punch head (22) mounted on the lower part of the support seat (21), wherein the lower part of the punch head (22) is provided with a cross-wave-shaped protrusion (23) that contacts the rivet.

4. The cutter head riveting device of kitchen waste treatment equipment according to claim 3, characterized in that: A guide sleeve (24) is installed on the lower side of the support seat (21), a guide column (31) matched with the guide sleeve (24) is installed on the upper part of the base (3), and a through hole communicating with the guide sleeve (24) is provided in the middle of the support seat (21).

5. The cutter head riveting device of kitchen waste treatment equipment according to claim 1, characterized in that: The rivet includes a head (101), a connecting rod (102) arranged on the head (101), and a popcorn portion (103) arranged on the upper part of the connecting rod (102) and cooperating with the upper mold (2), and the connecting rod (102) passes through the middle of the first connecting hole (95).

6. The cutter head riveting device of kitchen waste treatment equipment according to claim 5, characterized in that: A bending portion (104) is provided on one side of the blade, and a second connecting hole (105) matching with the head (101) is provided in the middle of the blade.

7. A riveting method for a cutter head riveting device of a kitchen waste treatment equipment according to any one of claims 1 to 6, characterized in that: The specific steps include: S1. Adjust the pressure of the stamping equipment (1) to 3MPa-5MPa; S2, place the rivet on the upper part of the rivet positioning groove (6), then pass the blade through the rivet and place it inside the blade positioning groove (5), and then position the cutter head on the rivet and the blade through the positioning hole (7) and the positioning key (8); S3. The stamping equipment is operated. The stamping equipment 1 drives the upper die (2) to move downward, squeezing the rivet to deform the rivet, so that the blade is connected to the cutter head through the rivet, and the press riveting assembly is completed.

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