Double-cavity multi-station progressive fine blanking die for automobile gear

Abstract

The utility model relates to the technical field of automobile gear machining, in particular to an automobile gear double-cavity multi-station progressive fine blanking die which comprises a base, a lower die is arranged above the base, two die cavities are formed in the upper end of the lower die, and the bottom of the lower die is attached to the base. A tooth line channel, a center hole channel and a side hole channel are formed in the mold cavity and are all formed in the bottom end of the interior of the mold cavity. When a thin automobile gear needs to be machined, an original plate is placed in the die cavity to be flatly laid, then the upper die and the lower die can be covered and closed through pushing of the first piston rod of the first air cylinder, the tooth line punch can make contact with the plate, and the punching effect is achieved; and the distance compensation of the tooth line channel to the tooth line punch is matched, so that the original plate material can be punched into the shape of a gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile gear machining, especially to a double-cavity multi-station progressive fine punching die for automobile gear. BACKGROUND

[0002] Thin-walled automobile gear refers to a gear with relatively thin wall thickness, which is usually used to reduce weight, save materials and improve transmission efficiency.

[0003] There are various types of small and thin gears for automobiles, which are widely used in various transmission systems and mechanisms. For example, the prior art Chinese patent publication No. "CN218925932U" provides a double-cavity multi-station progressive fine punching die for automobile gear, which comprises a lower die and an upper die located above the lower die. The upper die comprises a material pressing seat and an upper die seat that is in lifting cooperation with the material pressing seat. A floating blanking punch is movably installed in the material pressing seat. A pre-punching punch and a tooth-shaped punch are fixed on the upper die seat. The lower die comprises a lower die seat, a floating concave die seat that is in lifting cooperation with the lower die seat, and a concave die seat top rod that is movably arranged in the lower die seat and used to abut against the floating concave die seat. A pre-flanging punch is fixed on the lower die seat and penetrates into the floating concave die seat. A semi-punching tooth-shaped concave die is movably installed on the floating concave die seat. A tooth-shaped concave die top rod is movably installed on the lower die seat. The utility model makes the three actions of flanging, semi-punching tooth shape and blanking completed in the same step, thereby ensuring the coaxiality of the tooth shape, flanging and product outer circle profile, and ensuring product quality. Moreover, time can be saved and production efficiency can be improved.

[0004] At present, when processing automobile wheels, some gears have thin thickness. In order to simultaneously form multiple points at one time, a die for stably storing gear raw material sheets needs to be designed, and the basic shape of the gear can be formed at one time by closing the upper and lower dies. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a double-cavity multi-station progressive fine punching die for automobile gear.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A double-cavity multi-station progressive fine punching die for automobile gear is designed, which comprises a base. Two die cavities are formed in the upper end of a lower die arranged above the base. The bottom of the lower die is attached to the base. Tooth trace channels, center hole channels and edge hole channels are respectively arranged in the inner part of the die cavities. The tooth trace channels, center hole channels and edge hole channels are all formed in the inner bottom end of the die cavities.

[0008] Two sides of the base are respectively provided with side plates, the lower end of the side plate is fixedly assembled with the surface of the base through screws, the upper end of the two side plates is fixed with the same top plate, a cylinder one is arranged in the inside of the top plate, the connecting position of the cylinder one and the top plate is fixed through screws, a piston rod one for extension is arranged in the inside of the cylinder one, the cylinder one is arranged in the longitudinal central axis of the top plate and is arranged in a symmetrical manner, and an upper die is fixed to the end of the piston rod one.

[0009] In detail, the lower end of the upper die is provided with a tooth pattern punch, the tooth pattern punch corresponds to the position of the tooth pattern channel, and the sizes of the tooth pattern punch and the tooth pattern channel are matched.

[0010] In detail, the inside of the upper die is provided with an inner cavity one, a cylinder two is fixed in the inside of the inner cavity one, a piston rod two for extension is arranged in the inside of the cylinder two, a side hole punch is fixed to the end of the piston rod two, and the side hole punch is arranged in the inside of the inner cavity one in a sliding manner.

[0011] In detail, the inside of the upper die is further provided with an inner cavity two, a cylinder three is arranged in the inside of the inner cavity two, a piston rod three for extension is arranged in the inside of the cylinder three, a center hole punch is fixed to the end of the piston rod three, and the center hole punch is arranged in the inside of the inner cavity two in a sliding manner.

[0012] In detail, the two sides of the lower die are respectively provided with positioning tables, one end of the positioning table is welded to the surface of the lower die, a rod seat is fixed to the upper end of the positioning table, a limiting rod is inserted into the inside of the rod seat in a sliding manner, limiting sleeves are respectively fixed to the two sides of the upper die, and the inside of the limiting sleeve is slidably connected with the surface of the limiting rod.

[0013] In detail, the lower end of the limiting rod is provided with a positioning groove, a positioning pin is arranged in the inside of the positioning groove, the end face of the positioning pin is an arc face, a spring is arranged in the inside of the positioning groove, and the two ends of the spring are fixedly assembled with the inner wall of the positioning groove and the surface of the positioning pin.

[0014] In detail, the surface of the rod seat is provided with a pin hole, and the positioning pin is arranged in the pin hole in a sliding manner.

[0015] The design scheme of the utility model has the beneficial effects in the application process.

[0016] 1. When the thin automobile gear needs to be processed, the original plate is put into the mold cavity to be laid flat, then the upper mold is closed with the lower mold by the piston rod one of the cylinder one to make the tooth trace punch contact with the plate and form the stamping effect, the distance compensation of the tooth trace punch is matched with the tooth trace channel to make the original plate be punched into the shape of gear, when the two edge hole punching needs to be performed, the edge hole punch can form the edge hole of the plate by the extension of the piston rod two of the cylinder two, the center hole punch can form the center hole of the plate by the extension of the piston rod three of the cylinder three, the mold cavity is provided with two, so that the double cavity and multiple type processing effect can be realized.

[0017] 2. When the upper mold and the lower mold move up and down to close, the upper mold can be stably lifted by the sliding of the limiting sleeve on the limiting rod, when the lower mold needs to be cleaned periodically, the positioning pin is pressed to make the positioning pin compress the spring into the inside of the positioning groove, so that the positioning pin can be separated from the pin hole, so that the separation of the limiting rod and the rod seat can be realized, and then the lower mold can be directly translated and pulled from the base to be disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the front structure schematic diagram of the utility model;

[0020] Figure 3 It is the upper mold bottom view schematic diagram of the utility model;

[0021] Figure 4 It is the A place enlarged schematic diagram of the utility model.

[0022] In the drawing: 1, base; 11, lower mold; 12, mold cavity; 13, tooth trace channel; 14, center hole channel; 15, edge hole channel; 16, side plate; 17, top plate; 18, cylinder one; 19, upper mold; 2, tooth trace punch; 21, inner cavity one; 22, cylinder two; 23, edge hole punch; 24, inner cavity two; 25, cylinder three; 26, center hole punch; 3, positioning table; 31, rod seat; 32, limiting rod; 33, limiting sleeve; 34, positioning groove; 35, positioning pin; 36, spring; 37, pin hole. DETAILED DESCRIPTION

[0023] The technical scheme 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, not all the embodiments.

[0024] Refer toFigures 1-4 The utility model provides a kind of automobile gear double-cavity multi-station progressive fine blanking die, including base 1, the upper portion of base 1 is provided with lower mould 11, the upper end of lower mould 11 is provided with two mould cavities 12, the bottom of lower mould 11 is attached with base 1, the inside of mould cavity 12 is provided with tooth trace channel 13, center hole channel 14 and side hole channel 15 respectively, tooth trace channel 13, center hole channel 14 and side hole channel 15 are all set in the inside bottom end of mould cavity 12;

[0025] The utility model discloses a kind of automobile gear double-cavity multi-station progressive fine blanking die, including base 1, the upper portion of base 1 is provided with lower mould 11, the upper end of lower mould 11 is provided with two mould cavities 12, the bottom of lower mould 11 is attached with base 1, the inside of mould cavity 12 is provided with tooth trace channel 13, center hole channel 14 and side hole channel 15 respectively, tooth trace channel 13, center hole channel 14 and side hole channel 15 are all set in the inside bottom end of mould cavity 12;

[0026] Further need to explain is that the lower end of upper mould 19 is provided with tooth trace punch 2, tooth trace punch 2 corresponds with the position of tooth trace channel 13, and both size fits settings, can be punched and cut to the basic appearance of gear.

[0027] Further need to explain is that the inside of upper mould 19 is provided with inner cavity one 21, inner cavity one 21 is fixed with cylinder two 22 in the inside, cylinder two 22 is provided with telescopic piston rod two in the inside, piston rod two is fixed with side hole punch 23 at end, side hole punch 23 is slidably inserted into the inside of inner cavity one 21, and the side hole of automobile gear can be processed by side hole punch 23.

[0028] Further need to explain is that the inside of upper mould 19 is also provided with inner cavity two 24, inner cavity two 24 is provided with cylinder three 25 in the inside, cylinder three 25 is provided with telescopic piston rod three in the inside, piston rod three is fixed with center hole punch 26 at end, center hole punch 26 is slidably inserted into the inside of inner cavity two 24, and the center hole of automobile gear can be processed by center hole punch 26.

[0029] Further need to explain is that the two sides of lower mould 11 are provided with positioning table 3 respectively, one end of positioning table 3 is welded on the surface of lower mould 11, the upper end of positioning table 3 is fixed with rod seat 31, the inside of rod seat 31 is slidably inserted into limiting rod 32, the two sides of upper mould 19 are respectively fixed with limiting sleeve 33, limiting sleeve 33 is slidably sleeved with the surface of limiting rod 32 in the inside, can play a vertical positioning effect when upper mould 19 and lower mould 11 relatively slide.

[0030] It is further explained that the lower end of the limiting rod 32 is provided with a positioning slot 34, the inside of the positioning slot 34 is provided with a positioning pin 35, the end face of the positioning pin 35 is an arc face, the inside of the positioning slot 34 is provided with a spring 36, the two ends of the spring 36 are fixedly assembled with the inner wall of the positioning slot 34 and the surface of the positioning pin 35 respectively, and the spring 36 can ensure the stable extension and reset of the positioning pin 35.

[0031] It is further explained that the surface of the rod base 31 is provided with a pin hole 37, the positioning pin 35 is slidably and penetratively arranged in the pin hole 37, the lower mold 11 can be conveniently disassembled after being docked with the limiting rod 32 and the rod base 31, and the limiting sleeve 33 can form the effect of mutual limiting and positioning.

[0032] Working mode: when the thin automobile gear needs to be processed, the original plate material is placed in the mold cavity 12 to be laid flat, then the piston rod one of the cylinder one 18 is pushed to make the upper mold 19 cover and close the lower mold 11, so that the tooth trace punch 2 can be in contact with the plate material and form a stamping effect, the distance compensation of the tooth trace punch 2 is cooperated with the tooth trace channel 13, so that the original plate material can be punched into the shape of a gear, when the two edge holes need to be punched, the piston rod two of the cylinder two 22 is extended to make the edge hole punch 23 form the edge hole of the plate material, the piston rod three of the cylinder three 25 is extended to make the center hole punch 26 form the center hole of the plate material, the mold cavity 12 is provided with two, so that the effect of double cavity and multiple types of processing can be realized.

[0033] When the upper mold 19 and the lower mold 11 move up and down to close the mold, the limiting sleeve 33 slides on the limiting rod 32 to realize the stable lifting of the upper mold 19, when the lower mold 11 needs to be cleaned regularly, the positioning pin 35 is pressed to make the positioning pin 35 compress the spring 36 into the inside of the positioning slot 34, so that the positioning pin 35 can be separated from the pin hole 37, so that the separation of the limiting rod 32 and the rod base 31 can be realized, and then the lower mold 11 can be directly translated and pulled from the base 1 to be disassembled.

[0034] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application can be equivalently replaced or changed, which should be covered in the protection scope of the present application.

Claims

1. A double cavity multi-station progressive die for automobile gear, comprising a base (1), characterized in that: The upper end of the lower mold (11) is provided with two mold cavities (12), the bottom of the lower mold (11) is attached to the base (1), the inner part of the mold cavity (12) is respectively provided with a tooth trace channel (13), a center hole channel (14) and a side hole channel (15), the tooth trace channel (13), the center hole channel (14) and the side hole channel (15) are all provided in the inner bottom end of the mold cavity (12); The lower end of the side plate (16) is fixedly assembled with the surface of the base (1) by screws, the upper end of the two side plates (16) is fixedly provided with the same top plate (17), the inside of the top plate (17) is penetratingly provided with a cylinder one (18), the connection position between the cylinder one (18) and the top plate (17) is fixed by screws, the inside of the cylinder one (18) is provided with a piston rod one for extension and contraction, the cylinder one (18) is distributed and arranged in the longitudinal central axis of the top plate (17) in a symmetrical manner, and the end of the piston rod one is fixedly provided with an upper mold (19).

2. The double-cavity multi-station progressive fine blanking die for a gear of an automobile according to claim 1, characterized in that: The lower end of the upper mold (19) is provided with a tooth trace punch (2), the tooth trace punch (2) corresponds to the position of the tooth trace channel (13), and the sizes of the two are matched.

3. The double-cavity multi-station progressive fine blanking die for a gear of an automobile according to claim 2, characterized in that: The inside of the upper mold (19) is provided with an inner cavity one (21), the inside of the inner cavity one (21) is fixedly provided with a cylinder two (22), the inside of the cylinder two (22) is provided with a piston rod two for extension and contraction, the end of the piston rod two is fixedly provided with a side hole punch (23), and the side hole punch (23) is slidingly penetratingly arranged in the inside of the inner cavity one (21).

4. The double-cavity multi-station progressive fine blanking die for a gear of an automobile according to claim 3, characterized in that: The inside of the upper mold (19) is further provided with an inner cavity two (24), the inside of the inner cavity two (24) is provided with a cylinder three (25), the inside of the cylinder three (25) is provided with a piston rod three for extension and contraction, the end of the piston rod three is fixedly provided with a center hole punch (26), and the center hole punch (26) is slidingly penetratingly arranged in the inside of the inner cavity two (24).

5. The double-cavity multi-station progressive fine blanking die for a gear of an automobile according to claim 1, characterized in that: The two sides of the lower mold (11) are respectively provided with positioning tables (3), one end of the positioning table (3) is welded to the surface of the lower mold (11), the upper end of the positioning table (3) is fixedly provided with a rod seat (31), the inside of the rod seat (31) is slidingly inserted into a limiting rod (32), the two sides of the upper mold (19) are respectively fixedly provided with limiting sleeves (33), and the inside of the limiting sleeve (33) is slidingly sleeved with the surface of the limiting rod (32).

6. The double-cavity multi-station progressive fine blanking die for a gear of an automobile according to claim 5, characterized in that: The lower end of the limiting rod (32) is provided with a positioning groove (34), the inside of the positioning groove (34) is provided with a positioning pin (35), the end face of the positioning pin (35) is arc-shaped, the inside of the positioning groove (34) is provided with a spring (36), and the two ends of the spring (36) are fixedly assembled with the inner wall of the positioning groove (34) and the surface of the positioning pin (35).

7. The double-cavity multi-station progressive fine blanking die for an automobile gear according to claim 6, characterized in that: The surface of the rod seat (31) is penetratingly provided with a pin hole (37), and the positioning pin (35) and the pin hole (37) are slidingly penetratingly arranged.

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