Cold header facilitating bolt machining

Abstract

The utility model relates to the technical field of cold headers, and provides a cold header convenient for bolt processing, which comprises a base, a stamping mechanism is arranged at the top of the base, four groups of supporting legs are fixedly connected to the right side of the top of the base, a mounting box is fixedly connected to the tops of the four groups of supporting legs, and a fan is fixedly connected to the right side of the mounting box. A transmission mechanism is arranged on the right side of the fan, a filter screen is fixedly connected to the interior of the mounting box, two sliding rods are fixedly connected to the position, located on the right side of the filter screen, in the mounting box, springs I are arranged on one sides of the exteriors of the two sliding rods in a sleeving mode, and cleaning brushes are slidably connected to the other sides of the exteriors of the two sliding rods. According to the oil fume filtering device, oil fume is treated, harm to the environment and workers caused by the oil fume is avoided, meanwhile, oil stains attached to the filtering net can be automatically cleaned, the filtering net does not need to be disassembled, cleaned and installed, operation is convenient and fast, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold header technology field, specifically, and relates to a cold header convenient for processing bolt. BACKGROUND

[0002] The bolt cold header is a kind of mechanical equipment specially used to be upset into bolt head by plastic deformation of metal wire or bar at room temperature.Cold heading process is a kind of non-cutting metal pressure processing method, it is formed in mould by the pressure of metal, so that fastener, such as bolt, nut etc. with specific shape and size is manufactured, cold header can generally realize continuous, multi-station, automation production, improve production efficiency and material utilization rate, and keep or improve the mechanical properties of parts.

[0003] In prior art, plastic deformation of metal wire or bar is accompanied by the use of lubricant during cold heading process, these lubricants evaporate under the action of high temperature, form oil fume, in order to avoid that these oil fume pollute environment and protect the health of staff, the method commonly used at present is to use exhaust fan, exhaust fan can extract oil fume generated in automatic cold header, then let oil fume pass through filter screen to filter, but as oil fume contains a large amount of oil dirt component, when oil fume passes through filter screen, oil dirt will gradually adhere to filter screen, with the continuous production, oil dirt adhered to filter screen will be more and more, which leads to the gradual decline of filtering effect of filter screen, in order to ensure filtering effect, it is necessary to frequently dismount, clean and install filter screen, operation is more cumbersome, and also reduces work efficiency. UTILITARIAN CONTENT

[0004] The utility model provides a kind of cold header convenient for processing bolt, solve the problem of frequent dismounting, cleaning and installation of filter screen in relevant technology, operation is more cumbersome.

[0005] The technical scheme of the utility model is as follows: a kind of cold header convenient for processing bolt, including base, the base top is provided with punch mechanism, the base top right side is fixedly connected with four groups of support legs, four groups of support legs top are fixedly connected with installation box, the installation box right side is fixedly connected with fan, the fan right side is provided with transmission mechanism, the installation box inside is fixedly connected with filter screen, the installation box inside and located filter screen right side are fixedly connected with two slide bars, two slide bars outside one side are all equipped with spring one, two slide bars outside other side are slidably connected with cleaning brush, the installation box top is provided with conveying assembly, the installation box left side is fixedly connected with oil fume pipe, the oil fume pipe left side is fixedly connected with collection head, the base top left side is provided with ejection mechanism.

[0006] Preferably, the transmission mechanism comprises a rotating rod, a worm and a rack, the rotating rod is fixedly connected at the left side of the fan right side, the worm is rotatably connected at the inside of the mounting box, the rack is fixedly connected at the top of the cleaning brush, the rotating rod right end and the worm bottom end are fixedly connected with bevel gears, the two bevel gears are meshingly connected, the worm front side is meshingly connected with a worm wheel, the worm wheel middle part is fixedly connected with a rotating shaft, the rotating shaft right end is fixedly connected with a half gear, the half gear is meshingly connected with the rack, and the rack top is fixedly connected with an extrusion block two.

[0007] Preferably, the conveying assembly comprises a pump box and a storage box, the pump box bottom is fixedly connected with the mounting box top, the storage box bottom is fixedly connected with the mounting box top, the pump box inside is slidably connected with a push rod, the push rod left side is fixedly connected with a piston, the push rod right side is fixedly connected with an extrusion block one, the pump box inside is provided with two springs two, the pump box right side is fixedly connected with a suction and delivery pipe, the suction and delivery pipe far away from the pump box one end is fixedly connected with the storage box top, the pump box left side is fixedly connected with a conveying pipe, and the conveying pipe far away from the pump box one end is fixedly connected with the mounting box inside.

[0008] Preferably, the ejection mechanism comprises a motor and an annular guide rail, the motor bottom is fixedly connected with the base top, the annular guide rail bottom is fixedly connected with the base top, the motor output end is fixedly connected with a rotating shaft, the rotating shaft top is fixedly connected with a workbench, the workbench outside is slidably connected with a support seat, the support seat bottom is fixedly connected with the base top, the workbench inside is fixedly connected with a plurality of lower molds, the lower mold inside is slidably connected with a jacking rod, the jacking rod top is fixedly connected with a top plate, the jacking rod bottom is provided with a roller, the jacking rod outside is sleeved with a spring three, and the annular guide rail top is fixedly connected with a protrusion.

[0009] Preferably, one end of the spring one is fixedly connected with the mounting box inner bottom wall, and the other end of the spring one is fixedly connected with the cleaning brush bottom.

[0010] Preferably, the rack outside is slidably connected with the mounting box inside, the rack top extrusion block two inclined surface is movably connected with the push rod right side extrusion block one inclined surface, the rotating shaft outside is rotatably connected with two support plates, and the two support plates bottom are fixedly connected with the mounting box top.

[0011] Preferably, the piston outside is slidably connected with the pump box inside, and the cleaning brush one side is abutted with the filter screen.

[0012] Preferably, one end of the spring two is fixedly connected with the pump box inner wall, and the other end of the spring two is fixedly connected with the piston outside.

[0013] Preferably, one end of the spring is fixedly connected to the inside of the lower die, and the other end of the spring is fixedly connected to the bottom of the top plate.

[0014] Preferably, the top plate is slidably connected to the inside of the lower die.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] 1. In the utility model, the fan is started to drive the rotating rod to rotate, the rotating rod drives the bevel gear, the bevel gear drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the half gear to rotate, the half gear and the rack mesh to drive the rack, the two extrusion blocks drive the push rod when abutting, the push rod pushes the piston and pulls the spring two, so that the cleaner in the pump box is sprayed from the conveying pipe to the surface of the filter screen, the rack does linear reciprocating motion when being driven by the half gear, the rack drives the cleaning brush to do linear reciprocating motion on the outer periphery of the sliding rod, and the compression spring one is compressed, when the half gear does not drive the rack, the spring one pushes the cleaning brush to reset, so that the cleaning brush cleans the filter screen when moving, the oil fume is treated, the harm of the oil fume to the environment and the staff is avoided, the oil stains attached to the filter screen can be cleaned automatically, the filter screen does not need to be disassembled, cleaned and installed, and the working efficiency is improved.

[0017] 2. In the utility model, the motor is started to drive the rotating shaft to rotate, the rotating shaft drives the workbench to rotate, the workbench drives the lower die to rotate, the lower die drives the ejector rod, the ejector rod drives the roller to move in the annular guide rail, when the roller slides to the position of the protrusion and abuts against the protrusion, the roller pushes the ejector rod, the ejector rod pushes the top plate, the top plate lifts the punched product from the lower die, the bolt punched is automatically demolded, manual intervention is avoided, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in detail in connection with the drawings and specific embodiments.

[0019] Figure 1 It is the structure schematic view of the utility model;

[0020] Figure 2 It is the inside structure main view of the utility model support seat;

[0021] Figure 3 It is the inside structure schematic view of the utility model ejection mechanism;

[0022] Figure 4 It is the external structure overhead view of the utility model installation box;

[0023] Figure 5 It is the inside structure main view of the utility model installation box;

[0024] Figure 6 It is the internal structure side view of the installation box of the utility model;

[0025] Figure 7 It is the internal structure side view of the pump box of the utility model;

[0026] Figure 8 It is the utility model Figure 4 The enlarged schematic view of A in the middle.

[0027] In the figure: 1, base; 2, punching mechanism; 3, support leg; 4, installation box; 5, fan; 6, rotating rod; 7, worm; 8, bevel gear; 9, support plate; 10, rotating shaft; 11, worm wheel; 12, half gear; 13, filter screen; 14, sliding rod; 15, spring one; 16, cleaning brush; 17, rack; 18, pump box; 19, push rod; 20, piston; 21, spring two; 22, extrusion block one; 23, protruding block; 24, suction and delivery pipe; 25, storage box; 26, delivery pipe; 27, oil fume pipe; 28, collection head; 29, motor; 30, rotating shaft; 31, workbench; 32, support seat; 33, lower die; 34, ejector rod; 35, top plate; 36, roller; 37, spring three; 38, annular guide rail; 39, extrusion block two. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the protection scope of the utility model.

[0029] Embodiment 1

[0030] As Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the embodiment proposes a cold header for facilitating bolt processing, which comprises a base 1, the top of the base 1 is provided with a punching mechanism 2, the top right side of the base 1 is fixedly connected with four groups of supporting legs 3, the top of the four groups of supporting legs 3 is fixedly connected with a mounting box 4, the right side of the mounting box 4 is fixedly connected with a fan 5, the right side of the fan 5 is provided with a transmission mechanism, the inside of the mounting box 4 is fixedly connected with a filter screen 13, the inside of the mounting box 4 and located at the right side of the filter screen 13 is fixedly connected with two slide rods 14, one side of the outside of the two slide rods 14 is sleeved with a spring 15, the other side of the outside of the two slide rods 14 is slidably connected with a cleaning brush 16, the top of the mounting box 4 is provided with a conveying assembly, the left side of the mounting box 4 is fixedly connected with an oil smoke pipe 27, the left side of the oil smoke pipe 27 is fixedly connected with a collection head 28, the left side of the top of the base 1 is provided with an ejection mechanism. The purpose of this kind of setting is that when in use, the bolt to be processed is put into the inside of the lower die 33 and then the punching mechanism 2 is started to punch the steel to make it form, when the punching mechanism 2 punches, the fan 5 is started to drive the oil stains generated during punching to drive the collection head 18 and the oil stain pipe 27 to suck the oil stains generated during punching into the inside of the mounting box 4, the fan 5 rotates at the same time to drive the transmission mechanism, the transmission mechanism drives the cleaning brush 16 to do linear reciprocating motion on the outside of the slide rod 14, at the same time, the spring 15 is compressed, the spring 15 generates elastic force, when the transmission mechanism is driven, the spring 15 pushes the cleaning brush 16 to reset, the cleaning brush 16 and the filter screen 13 abut, the cleaning brush 16 cleans the filter screen 13 when moving, the stains fall into the collecting box arranged at the bottom of the mounting box 4, when the transmission mechanism rises, the conveying assembly is extruded, the cleaning agent in the conveying assembly is extruded onto the cleaning brush 16, so that the oil stains on the filter screen 13 can be better cleaned.

[0031] The transmission mechanism comprises a rotating rod 6, a worm 7 and a rack 17, the left side of the rotating rod 6 is fixedly connected with the right side of the fan 5, the outside of the worm 7 is rotatably connected with the inside of the mounting box 4, the bottom of the rack 17 is fixedly connected with the top of the cleaning brush 16, the right end of the rotating rod 6 and the bottom end of the worm 7 are fixedly connected with bevel gears 8, the two bevel gears 8 are meshingly connected, the front side of the worm 7 is meshingly connected with a worm wheel 11, the middle of the worm wheel 11 is fixedly connected with a rotating shaft 10, the right end of the rotating shaft 10 is fixedly connected with a half gear 12, the half gear 12 and the rack 17 are meshingly connected, the top of the rack 17 is fixedly connected with an extrusion block 39. The purpose of this kind of setting is that the fan 5 rotates at the same time to drive the rotating rod 6 to rotate, the rotating rod 6 drives the bevel gears 8, the bevel gears 8 drive the worm 7 to rotate, the worm 7 drives the worm wheel 11 to rotate, the worm wheel 11 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the half gear 12 to rotate, the half gear 12 and the rack 17 meshingly drive the rack 17, and then drive the cleaning brush 16 to clean the filter screen 13, at the same time, when the rack 17 is driven by the half gear 12 to rise, the extrusion block 22 fixedly arranged at the top extrudes the conveying assembly, and the cleaning agent in the conveying assembly is sprayed onto the cleaning brush 16.

[0032] The conveying assembly comprises a pump box 18 and a storage box 25, the bottom of the pump box 18 is fixedly connected to the top of the mounting box 4, the bottom of the storage box 25 is fixedly connected to the top of the mounting box 4, a push rod 19 is slidably connected in the pump box 18, a piston 20 is fixedly connected to the left side of the push rod 19, an extrusion block one 22 is fixedly connected to the right side of the push rod 19, two spring twos 21 are arranged in the pump box 18, a pumping pipe 24 is fixedly connected to the right side of the pump box 18, one end of the pumping pipe 24 away from the pump box 18 is fixedly connected to the top of the storage box 25, a conveying pipe 26 is fixedly connected to the left side of the pump box 18, one end of the conveying pipe 26 away from the pump box 18 is fixedly connected to the inside of the mounting box 4. The purpose of this arrangement is that when the extrusion block 22 on the conveying assembly and the extrusion block 22 on the push rod 19 abut, the extrusion block 22 drives the push rod 19, the push rod 19 pushes the piston 20, the piston 20 pulls the spring two 21, the spring two 21 generates elastic force, and the piston 20 is pushed to extrude the cleaner in the pump box 18, at this time, the one-way valve on the conveying pipe 26 is automatically opened, the cleaner is sprayed from the conveying pipe 26 to the surface of the filter screen 13, when the extrusion block 22 on the conveying assembly and the extrusion block 22 on the push rod 19 do not abut, at this time, the one-way valve on the pumping pipe 24 is automatically opened, the spring two 21 pulls the piston 20 to reset, and at the same time, the piston 20 pumps the cleaner in the storage box 25 to the inside of the pump box 18 through the pumping pipe 24.

[0033] Preferably, one end of the spring one 15 is fixedly connected to the inner bottom wall of the mounting box 4, and the other end of the spring one 15 is fixedly connected to the bottom of the cleaning brush 16. The purpose of this arrangement is that the spring one 15 can be compressed by the cleaning brush 16 to provide elastic force.

[0034] Preferably, the rack 17 is slidably connected to the inside of the mounting box 4, the extrusion block two 39 inclined surface on the top of the rack 17 is movably connected with the extrusion block one 22 inclined surface on the right side of the push rod 19, and the outer side of the rotating shaft 10 is rotatably connected with two support plates 9, and the bottom of each of the two support plates 9 is fixedly connected to the top of the mounting box 4. The purpose of this arrangement is that the rack 17 is slidably connected with the mounting box 4, so that the rack 17 can stably slide, the two extrusion blocks 22 are movably connected, so that the rack 17 can intermittently push the push rod 19, and the support plates 9 provide stable support for the rotating shaft 10.

[0035] Preferably, the outer side of the piston 20 is slidably connected in the pump box 18, and one side of the cleaning brush 16 abuts against the filter screen 13. The purpose of this arrangement is that the piston 20 is slidably connected with the pump box 18, so that the piston 20 can stably slide to extrude the cleaner in the pump box 18, and the cleaning brush 16 abuts against the filter screen 13, so that the oil stains on the filter screen 13 can be well cleaned.

[0036] Preferably, one end of the spring two 21 is fixedly connected to the inner wall of the pump box 18, and the other end of the spring two 21 is fixedly connected to the outer side of the piston 20. The purpose of this arrangement is that the spring two 21 can be pulled by the piston 20 to provide elastic force.

[0037] Embodiment 2

[0038] As Figure 1 - Figure 3 As shown in the same embodiment 1 based on the same idea, the embodiment also proposed ejection mechanism includes motor 29 and ring guide rail 38, the bottom of the motor 29 is fixedly connected to the top of the base 1, the bottom of the ring guide rail 38 is fixedly connected to the top of the base 1, the output end of the motor 29 is fixedly connected with the rotating shaft 30, the top of the rotating shaft 30 is fixedly connected with the workbench 31, the outside of the workbench 31 is slidingly connected with the support seat 32, the bottom of the support seat 32 is fixedly connected to the top of the base 1, a plurality of groups of lower molds 33 are fixedly connected inside the workbench 31, the top plate 35 is fixedly connected to the top of the rotating shaft 30, the top of the top plate 35 is fixedly connected with the top plate 35, the bottom of the top plate 35 is provided with the roller 36, the spring three 37 is sleeved outside the top plate 35, the top of the ring guide rail 38 is fixedly connected with the protrusion 23. The purpose of this kind of setting is that when in use, the motor 29 is started, the motor 29 drives the rotating shaft 30 to rotate, the rotating shaft 30 drives the workbench 31 to rotate, the workbench 31 drives the lower mold 33 to rotate, the lower mold 33 drives the top rod 34, the top rod 34 drives the roller 36 to slide inside the ring guide rail 38, when the roller 36 slides to the position of the protrusion 23 and abuts against the protrusion 23, the roller 36 pushes the top rod 34, the top rod 34 pushes the top plate 35, the top plate 35 pushes the product completed by stamping out of the lower mold 33, when the top plate 35 is pushed, the spring three 37 is pulled, so that the spring three 37 generates elastic force, when the roller 36 does not abut against the protrusion 23, the spring three 37 pulls the top plate 35 to reset.

[0039] Preferably, one end of the spring three 37 is fixedly connected inside the lower mold 33, the other end of the spring three 37 is fixedly connected to the bottom of the top plate 35, the purpose of this kind of setting is that the spring three 37 can be pulled by the top plate 35 to provide elastic force.

[0040] Preferably, the outside of the top plate 35 is slidingly connected inside the lower mold 33, the purpose of this kind of setting is that the top plate 35 can be stably slid.

[0041] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cold header for facilitating the machining of a bolt, characterized by, The utility model provides a kitchen exhaust system, including base (1), the top of base (1) is provided with punch mechanism (2), the top right side fixedly connected with four groups of support leg (3) of base (1), four groups of support leg (3) top fixedly connected with installation box (4), the right side fixedly connected with fan (5) of installation box (4), the right side of fan (5) is provided with transmission mechanism, the inside fixedly connected with filter screen (13) of installation box (4), the inside fixedly connected with two slide bars (14) of installation box (4) and located filter screen (13) right side, the outside one side of two slide bars (14) is all set with spring one (15), the outside other side of two slide bars (14) is slidably connected with cleaning brush (16), the top of installation box (4) is provided with conveying assembly, the left side fixedly connected with oil fume pipe (27) of installation box (4), the left side fixedly connected with collection head (28) of oil fume pipe (27), the top left side of base (1) is provided with ejection mechanism.

2. A cold header for facilitating machining of a bolt according to claim 1, characterized in that, The transmission mechanism includes a rotating rod (6), a worm (7) and a rack (17), the left side of the rotating rod (6) is fixedly connected to the right side of the fan (5), the outer side of the worm (7) is rotatably connected inside the installation box (4), the bottom of the rack (17) is fixedly connected to the top of the cleaning brush (16), the right end of the rotating rod (6) and the bottom end of the worm (7) are fixedly connected with bevel gears (8), the two bevel gears (8) are meshingly connected, the front side of the worm (7) is meshingly connected with a worm wheel (11), the middle of the worm wheel (11) is fixedly connected with a rotating shaft (10), the right end of the rotating shaft (10) is fixedly connected with a half gear (12), the half gear (12) is meshingly connected with the rack (17), the top of the rack (17) is fixedly connected with an extrusion block two (39).

3. A cold header for facilitating machining of a bolt according to claim 2, characterized in that, The conveying assembly includes a pump box (18) and a storage box (25), the bottom of the pump box (18) is fixedly connected to the top of the installation box (4), the bottom of the storage box (25) is fixedly connected to the top of the installation box (4), the inside of the pump box (18) is slidably connected with a push rod (19), the left side of the push rod (19) is fixedly connected with a piston (20), the right side of the push rod (19) is fixedly connected with an extrusion block one (22), the inside of the pump box (18) is provided with two springs two (21), the right side of the pump box (18) is fixedly connected with a suction pipe (24), one end of the suction pipe (24) away from the pump box (18) is fixedly connected to the top of the storage box (25), the left side of the pump box (18) is fixedly connected with a conveying pipe (26), one end of the conveying pipe (26) away from the pump box (18) is fixedly connected inside the installation box (4).

4. A cold header for facilitating machining of a bolt as defined in claim 1, wherein, The ejection mechanism includes motor (29) and ring guide rail (38), the motor (29) bottom fixedly connected at the top of the base (1), the ring guide rail (38) bottom fixedly connected at the top of the base (1), the motor (29) output end fixedly connected with rotating shaft (30), the rotating shaft (30) top fixedly connected with workbench (31), the workbench (31) outside slidingly connected with support seat (32), the support seat (32) bottom fixedly connected at the top of the base (1), the workbench (31) inside fixedly connected with multiple groups of lower mold (33), the lower mold (33) inside slidingly connected with the top bar (34), the top bar (34) top fixedly connected with the top plate (35), the top bar (34) bottom provided with the gyro wheel (36), the top bar (34) outside is equipped with spring three (37), the ring guide rail (38) top fixedly connected with the lug (23).

5. A cold header for facilitating machining of a bolt as defined in claim 1, wherein, One end of the spring (15) is fixedly connected to the inner bottom wall of the mounting box (4), and the other end of the spring (15) is fixedly connected to the bottom of the cleaning brush (16).

6. A cold header for facilitating machining of a bolt according to claim 3, characterized in that, The rack (17) is slidingly connected to the inside of the mounting box (4), the rack (17) top extrusion block two (39) inclined surface and the right side of the push rod (19) extrusion block one (22) inclined surface are movably connected, the rotating shaft (10) is rotatably connected with two support plates (9), and the bottom of the two support plates (9) is fixedly connected to the top of the mounting box (4).

7. A cold header for facilitating machining of bolts as defined in claim 3, wherein, The piston (20) is slidingly connected to the inside of the pump box (18), and the cleaning brush (16) is abuttingly connected with the filter screen (13).

8. A cold header for facilitating machining of bolts as defined in claim 3, wherein, One end of the spring two (21) is fixedly connected to the inner wall of the pump box (18), and the other end of the spring two (21) is fixedly connected to the outside of the piston (20).

9. A cold header for facilitating machining of bolts as defined in claim 4, wherein, One end of the spring three (37) is fixedly connected to the inside of the lower mold (33), and the other end of the spring three (37) is fixedly connected to the bottom of the top plate (35).

10. A cold header for facilitating machining of bolts as defined in claim 4, wherein, The top plate (35) is slidingly connected to the inside of the lower mold (33).

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