Double-material layout mold

Abstract

The utility model discloses a double-material layout die, and relates to the technical field of commutator segment production. Comprising a lower die assembly, the lower die assembly comprises a lower die seat block and further comprises a pressure bearing assembly, the pressure bearing assembly comprises a pressure bearing plate, two limiting blocks are fixed to the upper portion of the pressure bearing plate, a lifting groove and two pressing and inserting grooves are formed in the pressure bearing plate, a sliding block is arranged between the lifting groove and the pressing and inserting grooves in a sliding mode, and first chamfers are formed in the two ends of the sliding block; a semicircular rod is arranged in the lifting groove in a sliding mode, connecting blocks are fixed to the two ends of the semicircular rod correspondingly, second chamfers are formed in the connecting blocks, springs are arranged between the connecting blocks and the limiting blocks, an upper die assembly is arranged above the lower die base block, and an impact assembly is arranged below the upper die assembly. Through cooperation of the lower die assembly, the impact assembly and the pressure bearing assembly, two rows of metal strips can be machined at the same time, production efficiency is improved, meanwhile, after stamping is completed, the spring drives the semicircular rod to descend through the connecting block, and the situation that conveying is affected by the radian of the bent metal strips is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a commutator production technical field, concretely is double material row sample die. BACKGROUND

[0002] The commutator is the main component in the motor, which is mainly composed of an inner bush, a bakelite main body around the inner bush and copper row commutator plates arranged around the bakelite main body. The commutator plates are usually processed from copper materials. The existing technology usually adopts a stamping die for processing the commutator plates. After the metal strip is stamped, it still needs to be bent to form a product.

[0003] The commutator is a key component in the motor, which is used to realize the commutation of current to drive the operation of the motor. In the production process of the commutator, a stamping row sample die is adopted to process the metal material into a commutator plate with a specific shape and size by stamping, without the need for multiple equipment for multiple processing. However, the existing stamping row sample die can only produce a single row of metal strips during production, which has low production efficiency. At the same time, when the existing stamping row sample die is bent, it is difficult to transport when the bending radius of the metal strip is large. SUMMARY

[0004] The utility model aims at providing a double material row sample die to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double material row sample die, which comprises a lower die assembly, the lower die assembly comprises a lower die seat block, further comprises a pressure bearing assembly, the pressure bearing assembly comprises a pressure bearing plate, two limiting blocks are fixed on the upper side of the pressure bearing plate, a lifting groove and two pressure insertion grooves are formed on the pressure bearing plate, the lifting groove and the two pressure insertion grooves are communicated, a sliding block is slidably arranged between the lifting groove and the pressure insertion groove, a chamfer one is formed on both ends of the sliding block, a semicircular rod is slidably arranged in the lifting groove, connecting blocks are fixed on both ends of the semicircular rod, a chamfer two is formed on the connecting blocks, the chamfer one and the chamfer two are mutually attached, springs are arranged between the connecting blocks and the limiting blocks, an upper die assembly is arranged on the upper side of the lower die seat block, and an impact assembly is arranged on the lower side of the upper die assembly.

[0006] Further, a bottom plate block is fixed on the lower side of the lower die seat block, a discharging inclined groove is formed in the bottom plate block, a slitting groove, a conveying groove, a stamping hole, two cutting grooves and two discharging grooves are formed on the pressure bearing plate and the lower die seat block, the conveying groove and the two discharging grooves are communicated, and the cutting groove and the discharging groove penetrate through the bottom plate block.

[0007] Further, four guide columns are fixed on the upper side of the lower die seat block, a first blanking hole and a second blanking hole are formed on the upper side of the lower die seat block, and the first blanking hole and the second blanking hole are communicated with the discharging inclined groove.

[0008] Further, the upper die assembly comprises a hydraulic cylinder, an end of the hydraulic cylinder is fixed with an upper die block, four guide sleeves are fixed below the upper die block, and four guide columns are located inside the guide sleeves in the corresponding positions.

[0009] Further, the impact assembly comprises a mounting plate, the mounting plate is fixed below the upper die block, and a hole punch, a cutting punch, two pressing plates, two slot punches, two arc punches and two dome pressing rods are fixed below the mounting plate.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The double-material layout die can stamp the metal strip multiple times through cooperation of the impact assembly and the pressure bearing assembly, sequentially stamp the metal strip into two symmetrical sheet shapes and two symmetrical arc shapes, bend the metal strip, and finally cut the stamped metal strip by the cutting punch to complete processing, so that two rows of metal strips can be processed simultaneously, and the production efficiency is improved.

[0012] Through cooperation of the lower die assembly and the pressure bearing assembly, the two pressing plates are inserted into the corresponding pressing slots, the pressing plates extrude the sliding blocks, the sliding blocks extrude the connecting blocks, the two connecting blocks drive the semicircular rods to rise, after stamping is completed, the pressing plates are separated from the pressing slots, the extrusion on the sliding blocks is released, the springs drive the connecting blocks to descend, so that the semicircular rods are driven to descend, and the bending radius of the metal strip after bending does not affect conveying. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is a transverse cross-section structure schematic diagram of the utility model;

[0015] Figure 3 It is a longitudinal cross-section structure schematic diagram of the utility model;

[0016] Figure 4 It is a three-dimensional structure schematic diagram of the upper die in the utility model;

[0017] Figure 5 It is a three-dimensional structure schematic diagram of the lower die in the utility model;

[0018] Figure 6 It is Figure 3 It is an enlarged structure schematic diagram of position A.

[0019] As shown in the figure: 1, the upper die assembly; 101, hydraulic cylinder; 102, the upper die block; 103, guide sleeve; 2, the lower die assembly; 201, guide column; 202, the first blanking hole; 203, the lower die block; 204, the bottom block; 205, the second blanking hole; 206, the discharge chute; 207, the cutting groove; 3, the impact assembly; 301, the pressure plate; 302, the mounting plate; 303, the hole punch; 304, the groove punch; 305, the dome pressure rod; 306, the cutting punch; 307, the arc punch; 4, the pressure assembly; 401, the sliding block; 402, the cutting groove; 403, the pressure insertion groove; 404, the lifting groove; 405, the limiting block; 406, the connecting block; 407, the discharge groove; 408, the conveying groove; 409, the semicircular rod; 410, the spring; 411, the pressure plate; 412, the stamping hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] As Figures 1-3 shown, the utility model provides a technical scheme: double material layout die, including lower die assembly 2, lower die assembly 2 includes lower die block 203, still including pressure assembly 4, pressure assembly 4 includes pressure plate 411, two limiting blocks 405 are fixed on the upper side of pressure plate 411, lifting groove 404 and two pressure insertion grooves 403 are set up on pressure plate 411, lifting groove 404 and two pressure insertion grooves 403 are communicated, the sliding block 401 is arranged between lifting groove 404 and pressure insertion groove 403, the chamfer one is set up in both ends of sliding block 401, the semicircular rod 409 is slidably arranged in the inside of lifting groove 404, the connecting block 406 is fixed in both ends of semicircular rod 409, the chamfer two is set up on connecting block 406, the chamfer one and the chamfer two mutually adhere, the spring 410 is arranged between connecting block 406 and limiting block 405, the upper side of lower die block 203 is provided with upper die assembly 1, the lower side of upper die assembly 1 is provided with impact assembly 3.

[0022] The lower side of lower die block 203 is fixed with bottom block 204, the inside of bottom block 204 is provided with discharge chute 206, cutting groove 207, conveying groove 408, stamping hole 412, two cutting grooves 402 and two discharge grooves 407 are set up on pressure plate 411 and lower die block 203, conveying groove 408 and two discharge grooves 407 are communicated, and cutting groove 402 and discharge groove 407 all penetrate through bottom block 204.

[0023] It should be noted that the conveying groove 408 facilitates the conveying of the bent metal strip, and the discharge chute 206 facilitates the conveying of the punching waste at the cutting groove 207 and the punching hole 412 out of the mold.

[0024] The upper part of the lower die block 203 is fixed with four guide columns 201, and the upper part of the lower die block 203 is provided with a first blanking hole 202 and a second blanking hole 205, both of which are communicated with the discharge chute 206.

[0025] It should be noted that the first blanking hole 202 is communicated with the punching hole 412, and the second blanking hole 205 is communicated with the cutting groove 207, which facilitates the conveying of the punching waste out of the mold.

[0026] The upper die assembly 1 includes a hydraulic cylinder 101, the end of which is fixed with an upper die block 102, and the lower part of the upper die block 102 is fixed with four guide sleeves 103, and the four guide columns 201 are located inside the corresponding guide sleeves 103.

[0027] It should be noted that the extension of the hydraulic cylinder 101 drives the lowering of the upper die block 102, and the guide sleeves 103 and the guide columns 201 cooperate to keep the upper die block 102 and the impact assembly 3 aligned.

[0028] The impact assembly 3 includes a mounting plate 302 fixed below the upper die block 102, and the lower part of the mounting plate 302 is fixed with a hole punch 303, a cutting punch 306, two pressure plug plates 301, two slot punches 304, two arc punches 307, and two dome-shaped pressure rods 305.

[0029] It should be noted that the hole punch 303 is aligned with the punching hole 412, the cutting punch 306 is aligned with the cutting groove 207, the two pressure plug plates 301 are located directly above the corresponding pressure plug slots 403, the two slot punches 304 are located directly above the corresponding cutting slots 402, the two arc punches 307 are located directly above the corresponding lifting slots 404, and the two dome-shaped pressure rods 305 are located directly above the corresponding discharge slots 407.

[0030] The metal strip is moved intermittently, the hole punch 303 punches the metal strip, then the slot punch 304 is U-shaped, the metal strip is punched, the metal strip forms two symmetrical pieces, the two arc punches 307 arc-shaped punch the piece-shaped metal strip, the metal strip forms two symmetrical arcs, the two arc punches 307 are lowered to extrude the arc-shaped metal strip, and finally the cutting punch 306 cuts the punched metal strip, the finished commutator segment falls into the discharge slot 407, and the finished commutator segment leaves the mold through the discharge slot 407.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended embodiments and their equivalents.

Claims

1. A two-component lay-out die comprising a lower die assembly (2) comprising a lower die shoe block (203), characterized in that: Also include pressure components (4), pressure components (4) include pressure plate (411), two limit block (405) is fixed above the pressure plate (411), the pressure plate (411) is provided with lifting groove (404) and two pressure slot (403), lifting groove (404) and two pressure slot (403) are communicated, lifting groove (404) and pressure slot (403) are provided with sliding block (401) slidingly, both ends of sliding block (401) are provided with chamfer one, the inside of lifting groove (404) is provided with semicircular rod (409), both ends of semicircular rod (409) are fixed with connecting block (406), chamfer two is formed in connecting block (406), chamfer one and chamfer two are mutually pasted, spring (410) is arranged between connecting block (406) and limit block (405), the upper portion of lower die block (203) is provided with upper die assembly (1), the lower portion of upper die assembly (1) is provided with impact assembly (3).

2. The dual material laydown die of claim 1, wherein: The lower portion of the lower die block (203) is fixed with the bottom plate block (204), the inside of the bottom plate block (204) is provided with the discharge chute (206), the pressure plate (411) and the lower die block (203) are provided with the slitting groove (207), the conveying groove (408), the stamping hole (412), two cutting grooves (402) and two discharge grooves (407), the conveying groove (408) and the two discharge grooves (407) are communicated, and the cutting groove (402) and the discharge groove (407) penetrate through the bottom plate block (204).

3. The dual material laydown die of claim 2, wherein: The upper portion of the lower die block (203) is fixed with the four guide columns (201), and the upper portion of the lower die block (203) is provided with the first blanking hole (202) and the second blanking hole (205), the first blanking hole (202) and the second blanking hole (205) are communicated with the discharge chute (206).

4. The dual material laydown die of claim 3, wherein: The upper die assembly (1) comprises a hydraulic cylinder (101), and the end of the hydraulic cylinder (101) is fixed with an upper die block (102), and the lower portion of the upper die block (102) is fixed with four guide sleeves (103), and the four guide columns (201) are located in the guide sleeves (103) in the corresponding positions.

5. The dual material laydown die of claim 4, wherein: The impact assembly (3) comprises a mounting plate (302), and the mounting plate (302) is fixed below the upper die block (102), and the lower portion of the mounting plate (302) is fixed with a hole punch (303), a cutting punch (306), two pressure insertion plates (301), two groove punches (304), two arc punches (307) and two dome pressure rods (305).

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