Trundle support stretching stepping die

Abstract

The utility model discloses a caster support stretching stepping die which comprises a lower die bottom plate and a working handle plate, an upper die base plate is arranged at the bottom of the working handle plate, an upper die clamping plate is arranged at the bottom of the upper die base plate, a cutting assembly is arranged at the bottom of the upper die clamping plate, and a shaping assembly is arranged at the top of the working handle plate. Positioning assemblies are symmetrically arranged at the bottom of the upper die clamping plate and comprise guide columns connected to the bottom of the upper die clamping plate in a penetrating mode, and fixing components are arranged at the joints of the guide columns and the upper die clamping plate. The positioning assembly used for aligning the shaping assembly and the cutting assembly is arranged at the bottom of the upper die clamping plate, and the guide column and the upper die clamping plate are positioned by the fixing component arranged at the joint of the upper die clamping plate and the guide column in the positioning assembly, so that the guide column and the upper die clamping plate are prevented from being fixedly connected through threads, and the problem that the shaping assembly cannot be aligned with the cutting assembly after multiple times of punching is avoided. The thread joint of the guide pillar and the upper die clamping plate is continuously impacted, so that threads on the outer side of the guide pillar are damaged, and stability and disassembly of the guide pillar are affected.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, in particular to a caster bracket stretching stepping die. Background Art

[0002] The caster bracket stretching stepper die is a die used for processing caster brackets. It has the advantages of convenient die replacement and improved production efficiency. This die realizes rapid stamping processing of the caster bracket through precise positioning and adjustable structural design. The existing upper die has a threaded bottom end of the upper die clamping plate interspersed with a guide pin for positioning and interspersing with the lower die guide sleeve. After multiple stamping of the upper and lower die plates, the threaded connection between the guide pin and the upper die clamping plate is subjected to continuous impact, which can easily cause damage to the thread on the outside of the guide pin, affecting the stability and disassembly of the guide pin. In order to solve this problem, a new type of caster bracket stretching stepper die is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a caster bracket stretching stepping die to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a caster bracket stretching stepper mold, comprising a lower mold base plate and a work handle plate, the bottom of the work handle plate is provided with an upper mold pad, the bottom of the upper mold pad is provided with an upper mold clamping plate, the bottom of the upper mold clamping plate is provided with a cutting assembly for cutting the bracket, the top of the work handle plate is provided with a shaping assembly for cutting and forming the bracket, the bottom of the upper mold clamping plate is symmetrically provided with a positioning assembly for aligning the shaping assembly with the cutting assembly, the positioning assembly includes a guide column inserted and connected to the bottom of the upper mold clamping plate, and the connection between the guide column and the upper mold clamping plate is provided with a fixing component for locking the guide column.

[0005] Preferably, the fixing member includes a positioning screw, the end of which is threadedly inserted and connected to the side of the upper mold clamping plate, and the top side of the guide column is provided with a limiting groove for limiting the insertion of the positioning screw.

[0006] Preferably, an outer sleeve of the positioning screw is provided with an anti-loosening spring for alleviating loosening of the positioning screw.

[0007] Preferably, the cutting assembly includes a first upper die cutter, a second upper die cutter, a third upper die cutter, a fourth upper die cutter, a fifth upper die cutter and a sixth upper die cutter which are interspersed and arranged at the bottom of the upper die clamping plate.

[0008] Preferably, a plurality of guide pins for stamping and forming the bracket are inserted and connected to the top of the upper mold clamping plate.

[0009] Preferably, a plurality of upper mold forming cores are provided at the bottom of the upper mold clamping plate, forming core positioning pins are inserted and connected to the bottom of the upper mold forming cores, and a compression spring for limiting the movement of the upper mold forming cores is provided at the top of the upper mold forming cores.

[0010] Preferably, the shaping assembly includes a first lower die pad arranged on the top of the lower die bottom plate, a second lower die pad is arranged on the top of the first lower die pad, a third lower die pad is arranged on the top of the second lower die pad, and a pulling lower die and a cutting lower die are arranged on the top of the third lower die pad.

[0011] Preferably, a lower die positioning plate is symmetrically provided on the top of the lower die for cutting, and a lower die stripping plate is provided on the top of the lower die positioning plate.

[0012] Preferably, the top of the pulling lower die is interlaced with the first lower die insert, the second lower die insert and the third lower die insert, and the top of the lower die monitoring plate is provided with a guide sleeve, and the guide sleeve is interlaced with the bottom of the lower die stripping plate.

[0013] Preferably, the top of the third lower mold pad is interlaced with a lower mold pad insert, the bottom of the second lower mold pad is interlaced with a lower mold floating core, and the top of the lower mold floating core is interlaced with the bottom of the lower mold pad insert and the bottom of the lifting lower mold in sequence.

[0014] The technical effects and advantages of this utility model are:

[0015] The utility model is provided with a positioning assembly for aligning the shaping assembly and the cutting assembly at the bottom of the upper mold pole clamp, and the guide column and the upper mold clamp are positioned by using a fixing component provided at the connection between the upper mold clamp and the guide column in the positioning assembly, thereby avoiding the use of threaded connection and fixation of the guide column and the upper mold clamp, and preventing the threaded connection between the guide column and the upper mold clamp from being subjected to continuous impact after multiple stampings, causing damage to the outer thread of the guide column, affecting the stability and disassembly of the guide column. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the utility model as a whole.

[0017] Figure 2 This is an exploded view of the structure of the upper mold of the utility model.

[0018] Figure 3 This is an exploded view of the structure of the lower mold of the utility model.

[0019] Figure 4 It is a top view of the lower mold of the utility model.

[0020] Figure 5 It is a cross-sectional view of the fixing component of the present utility model.

[0021] In the figure: 1. bottom plate of lower die; 2. first lower die pad; 3. floating core of lower die; 4. second lower die pad; 5. third lower die pad; 6. insert of lower die pad; 7. lifting lower die; 8. cutting lower die; 9. insert of first lower die; 10. insert of second lower die; 11. insert of third lower die; 12. lower die position monitoring plate; 13. positioning screw; 131. anti-loosening spring; 14. lower die stripping plate; 15. Guide sleeve; 16. Guide column; 161. Limiting groove; 17. Upper die clamp; 18. First upper die cutting knife; 19. Second upper die cutting knife; 20. Third upper die cutting knife; 21. Fourth upper die cutting knife; 22. Fifth upper die cutting knife; 23. Sixth upper die cutting knife; 24. Guide pin; 25. Handle plate; 26. Upper die pad; 27. Upper die forming core; 28. Compression spring; 29. Forming core positioning pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 are within the scope of protection of the present invention.

[0023] The utility model provides Figure 1-5 The caster bracket stretching stepping die shown in the figure includes a lower die base plate 1 and a handle plate 25. The bottom of the handle plate 25 is provided with an upper die pad 26, and the bottom of the upper die pad 26 is provided with an upper die clamping plate 17.

[0024] It should be noted that the top of the handle plate 25 is used to connect to the output end of the cylinder, and the upper die clamping plate 17, the upper die pad 26 and the handle plate 25 can be fixed with screws;

[0025] The bottom of the upper mold clamping plate 17 is provided with a cutting assembly for cutting the bracket;

[0026] Specifically, the cutting assembly includes a first upper die cutter 18 , a second upper die cutter 19 , a third upper die cutter 20 , a fourth upper die cutter 21 , a fifth upper die cutter 22 and a sixth upper die cutter 23 , which are interspersed and arranged at the bottom of the upper die clamping plate 17 .

[0027] It should be noted that the first upper die cutter 18, the second upper die cutter 19, the third upper die cutter 20, the fourth upper die cutter 21, the fifth upper die cutter 22 and the sixth upper die cutter 23 are all welded and fixed to the interlaced portion of the upper die clamping plate 17;

[0028] The top of the upper die clamping plate 17 is connected with a plurality of guide pins 24 for the bracket stamping. The top of the guide pin 24 is a cylindrical protrusion, which is convenient for limiting and fixing it between the upper die clamping plate 17 and the upper die backing plate 26.

[0029] Specifically, a plurality of upper mold forming cores 27 are provided at the bottom of the upper mold clamping plate 17. The bottom of the upper mold forming core 27 is connected with a forming core positioning pin 29. The top of the upper mold forming core 27 is provided with a compression spring 28 for limiting the movement of the upper mold forming core 27.

[0030] It should be noted that the upper mold forming core 27 and the upper mold clamping plate 17 are fixed by welding at their intersection. The upper mold forming core 27 is a hollow sleeve with a compression spring 28 disposed in its inner cavity. A protrusion is disposed on the top of the forming core positioning pin 29, which is inserted into its inner cavity from the top of the upper mold forming core 27. The protrusion limits the position of the forming core positioning pin 29 and the upper mold forming core 27. The compression spring 28 is deformed and squeezed at the top of the protrusion and the bottom of the upper mold pad 26.

[0031] The top of the handle plate 25 is provided with a shaping component for cutting and shaping the bracket;

[0032] Specifically, the shaping assembly includes a first lower die pad 2 arranged on the top of the lower die base plate 1, a second lower die pad 4 is arranged on the top of the first lower die pad 2, a third lower die pad 5 is arranged on the top of the second lower die pad 4, and a pulling lower die 7 and a cutting lower die 8 are arranged on the top of the third lower die pad 5.

[0033] It should be noted that the lower die base plate 1, the first lower die pad 2, the second lower die pad 4, the third lower die pad 5, the lifting lower die 7 and the cutting lower die 8 can be fixed by screws;

[0034] Specifically, a lower die monitoring plate 12 is symmetrically provided on the top of the lower die 8 for cutting, a lower die stripping plate 14 is provided on the top of the lower die monitoring plate 12, a guide sleeve 15 is provided on the top of the lower die monitoring plate 12, and the guide sleeve 15 is inserted and connected to the bottom of the lower die stripping plate 14;

[0035] It should be noted that the caster bracket material plate enters from the opposite side of the lower mold monitoring plate 12, and the lower mold stripping plate 14, the lower mold monitoring plate 12 and the lower mold 8 for cutting can be fastened with screws. The lower mold stripping plate 14 prevents the caster bracket material plate from moving as the upper mold plate moves upward.

[0036] Specifically, the top of the pulling lower die 7 is interspersed with the first lower die insert 9, the second lower die insert 10 and the third lower die insert 11. The insertion of the die insert and the pulling lower die 7 is fixed by welding, which is used to provide space for the bracket plate to be recessed;

[0037] The top of the third lower die pad 5 is connected with the lower die pad insert 6, the bottom of the second lower die pad 4 is connected with the lower die floating core 3, and the top of the lower die floating core 3 is connected with the bottom of the lower die pad insert 6 and the bottom of the lifting lower die 7 in sequence;

[0038] Specifically, a positioning assembly for aligning the shaping assembly with the cutting assembly is symmetrically provided on the bottom of the upper mold clamping plate 17;

[0039] Specifically, the positioning assembly includes a guide post 16 connected to the bottom of the upper mold clamping plate 17, and a fixing member for locking the guide post 16 is provided at the connection between the guide post 16 and the upper mold clamping plate 17;

[0040] Specifically, the fixing member includes a positioning screw 13, the end of which is threadedly inserted into the side of the upper mold clamping plate 17, and a limiting groove 161 is formed on the top side of the guide column 16 for the positioning screw 13 to be inserted and limited.

[0041] It should be noted that a threaded hole is provided on the side of the upper mold clamping plate 17 for inserting the positioning screw 13. The positioning screw 13 is inserted into the interior of the limiting groove 161 through the threaded hole, thereby fixing the position of the guide column 16 and the upper mold clamping plate 17. The outer side of the positioning screw 13 is provided with an anti-loosening spring 131 for alleviating the loosening of the positioning screw 13. The anti-loosening spring 131 can strengthen the friction force at the threaded engagement between the positioning screw 13 and the threaded hole to prevent the positioning screw 13 from loosening.

[0042] During actual use, the utility model is provided with a positioning component for aligning the shaping component and the cutting component at the bottom of the upper mold clamping plate 17, and the guide column 16 and the upper mold clamping plate 17 are positioned by using the fixing component provided at the connection between the upper mold clamping plate 17 and the guide column 16 in the positioning component, thereby avoiding the guide column 16 and the upper mold clamping plate 17 being fixed by a threaded connection, and preventing the threaded connection between the guide column 16 and the upper mold clamping plate 17 from being subjected to continuous impact after multiple stampings, causing damage to the outer thread of the guide column 16, affecting the stability and disassembly of the guide column 16.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A caster bracket stretching stepping die, comprising a lower die base plate (1) and a handle plate (25), characterized in that: The bottom of the handle plate (25) is provided with an upper die pad (26), the bottom of the upper die pad (26) is provided with an upper die clamp (17), the bottom of the upper die clamp (17) is provided with a cutting assembly for cutting the bracket, the top of the handle plate (25) is provided with a shaping assembly for cutting and shaping the bracket, the bottom of the upper die clamp (17) is symmetrically provided with a positioning assembly for aligning the shaping assembly with the cutting assembly, the positioning assembly includes a guide column (16) inserted and connected to the bottom of the upper die clamp (17), and a fixing component for locking the guide column (16) is provided at the connection between the guide column (16) and the upper die clamp (17).

2. The caster bracket stretching stepping die according to claim 1, characterized in that: The fixing member includes a positioning screw (13), the end of the positioning screw (13) is threadedly inserted and connected to the side of the upper mold clamping plate (17), and the top side of the guide column (16) is provided with a limiting groove (161) for the positioning screw (13) to be inserted and limited.

3. The caster bracket stretching stepping die according to claim 2, characterized in that: The outer side of the positioning screw (13) is provided with an anti-loosening spring (131) for alleviating the loosening of the positioning screw (13).

4. The caster bracket stretching stepping die according to claim 1, characterized in that: The cutting assembly comprises a first upper die cutter (18), a second upper die cutter (19), a third upper die cutter (20), a fourth upper die cutter (21), a fifth upper die cutter (22) and a sixth upper die cutter (23) which are interspersed and arranged at the bottom of the upper die clamping plate (17).

5. The caster bracket stretching stepping die according to claim 4, characterized in that: A plurality of guide pins (24) for bracket stamping are inserted and connected to the top of the upper die clamping plate (17).

6. The caster bracket stretching stepping die according to claim 5, characterized in that: A plurality of upper mold forming cores (27) are provided at the bottom of the upper mold clamping plate (17), a forming core positioning needle (29) is inserted and connected to the bottom of the upper mold forming core (27), and a compression spring (28) for limiting the movement of the upper mold forming core (27) is provided at the top of the upper mold forming core (27).

7. The caster bracket stretching stepping die according to claim 1, characterized in that: The shaping component comprises a first lower die pad (2) arranged on the top of the lower die bottom plate (1); a second lower die pad (4) is arranged on the top of the first lower die pad (2); a third lower die pad (5) is arranged on the top of the second lower die pad (4); and a pulling lower die (7) and a cutting lower die (8) are arranged on the top of the third lower die pad (5).

8. The caster bracket stretching stepping die according to claim 7, characterized in that: A lower die positioning plate (12) is symmetrically arranged on the top of the lower die (8) for cutting, and a lower die stripping plate (14) is arranged on the top of the lower die positioning plate (12).

9. The caster bracket stretching stepping die according to claim 8, characterized in that: The top of the lifting lower mold (7) is interlaced with the first lower mold insert (9), the second lower mold insert (10) and the third lower mold insert (11), and the top of the lower mold monitoring plate (12) is provided with a guide sleeve (15), and the guide sleeve (15) is interlaced with the bottom of the lower mold stripping plate (14).

10. The caster bracket stretching stepping die according to claim 7, characterized in that: The top of the third lower die pad (5) is interlaced with a lower die pad insert (6), the bottom of the second lower die pad (4) is interlaced with a lower die floating core (3), and the top of the lower die floating core (3) is interlaced with the bottom of the lower die pad insert (6) and the bottom of the lifting lower die (7) in sequence.

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