CN114990470A

CN114990470A - Surface carburizing treatment equipment for carbon steel tapping screw production

Info

Publication number: CN114990470A
Application number: CN202210896117.7A
Authority: CN
Inventors: 张绍耀
Original assignee: Lianyungang Deyou Precision Work Technology Co ltd
Current assignee: Lianyungang Deyou Precision Work Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-09-02
Anticipated expiration: 2042-07-28
Also published as: CN114990470B

Abstract

The invention relates to the technical field of metal treatment, in particular to surface carburizing treatment equipment for producing carbon steel self-tapping screws, wherein a supporting plate is provided with a material receiving groove and a material discharging plate, a brush roller is driven by a supporting shaft to clean a mesh-shaped conveying belt, cleaned coked materials are collected by the material receiving groove, the supporting shaft also drives a material discharging assembly and a cleaning mechanism by rotation, the material discharging assembly drives the coked materials in the material receiving groove to be conveyed to material discharging openings on two sides of the material discharging assembly, so that the coked materials are discharged out of a carburizing device in a sliding manner along the material discharging plate to a material discharging channel, the cleaning mechanism cleans the coked materials of the material discharging plate, the operation burden of workers is reduced, the mesh-shaped conveying belt is not required to be cleaned by stopping, the carburizing device can continuously carburize the materials, the production efficiency is improved, and the influence of the coked materials attached to the mesh-shaped conveying belt on the surfaces of the screws in the carburizing process is further reduced, the carburization quality and the screw yield are improved.

Description

Surface carburizing treatment equipment for producing carbon steel self-tapping screws

Technical Field

The invention relates to the technical field of metal treatment, in particular to surface carburizing treatment equipment for producing carbon steel tapping screws.

Background

The self-tapping screw is also called fast-assembling screw, it is a steel fast-assembling fastener whose surface is galvanized and passivated, the self-tapping screw is mostly used for connecting thin metal plates, in the course of processing the self-tapping screw, in order to raise the hardness and wear resistance of screw surface, it is necessary to make carburization treatment of its surface, the carburization treatment is a chemical heat treatment process for increasing carbon content of steel surface layer and forming a certain carbon concentration gradient, the steel is heated in carburizing medium and heat-insulating to make carbon atom permeate into surface layer, in the existent technology, the screw is generally placed on the net-shaped conveyer belt, the screw is driven into heating furnace by conveyer belt, at the same time of heating screw by heating furnace, the carburizing medium is introduced into heating furnace, so that it can implement the invented process, and its surface has dust or residue before the screw is heated, so that the dust or residue can produce lots of carbon black and coke due to high temp. in the course of carburization, the coked materials can be attached to the mesh belt to cause difficulty in cleaning the mesh belt, and the coked materials on the mesh belt can cause mesh blockage of the mesh belt after long-time accumulation, so that the carburizing quality of the screws in the carburizing process is influenced, and the hardness and the wear resistance of the screws are not up to the standard.

Disclosure of Invention

Aiming at the problems, the surface carburizing treatment equipment for producing the carbon steel self-tapping screws drives the cleaning mechanism and the discharging assembly through the supporting shaft, and solves the technical problem that dust or residues generated in the carburizing process are attached to a mesh belt to be inconvenient to clean due to high temperature, so that the carburizing quality is reduced.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

a surface carburizing treatment device for producing carbon steel self-tapping screws comprises a carburizing device and a mesh conveyor belt arranged below the carburizing device, wherein a supporting plate, a plurality of supporting shafts, a plurality of discharging assemblies and a plurality of cleaning mechanisms are also arranged in the carburizing device,

a plurality of support shafts are rotatably connected between the inner walls of the two sides of the carburizing device in a horizontal state, the support shafts are arranged below the mesh-shaped conveyor belt at equal distances, each support shaft is sleeved with a brush roll,

the two ends of the supporting shaft are respectively provided with a plurality of clamping grooves which are arranged around the axis of the supporting shaft, one side of the reticular conveyer belt close to the supporting shaft is provided with a plurality of latch teeth which are arranged along the outline of the inner wall of the reticular conveyer belt, the clamping grooves of the supporting shaft are meshed and connected with the latch teeth on the reticular conveyer belt,

the supporting plate is arranged below the supporting shafts in a horizontal state, a plurality of material receiving grooves are arranged on the supporting plate and are respectively arranged between two adjacent supporting shafts, the two sides of the supporting plate are provided with discharge plates extending towards the bottom of the carburizing device, the two sides of the material receiving grooves are respectively provided with discharge openings respectively communicated with the two discharge plates, the top of each discharge plate is provided with a discharge channel,

a plurality of assemblies of unloading are rotatable to be located the bottom plate that connects the silo respectively, and all assemblies of unloading are connected in its adjacent back shaft transmission respectively, and a plurality of clean mechanisms are mirror symmetry's the back shaft transmission that is located two stripper respectively, and all clean mechanisms are connected in its adjacent back shaft transmission respectively.

Preferably, all the cleaning mechanisms comprise a rotating shaft, a brush plate, a driving shaft, a transmission assembly, a rotary drum, a support frame, a slide block, a rack and a gear, wherein the rotating shaft is rotatably connected to the bottom of the stripper plate, the axis of the rotating shaft is perpendicular to the surface of the stripper plate, the brush plate is sleeved on the rotating shaft, the driving shaft is rotatably positioned on the outer side wall of the carburizing device in a vertical state, two ends of the transmission assembly are respectively sleeved on the rotating shaft and the driving shaft, the transmission assembly is in transmission connection with the driving shaft, the rotary drum is rotatably positioned at the side of the driving shaft, a slide rail capable of driving the slide block to move in a reciprocating manner is arranged on the rotary drum, the rotary drum is in transmission connection with the support shaft at the side of the rotary drum, the support frame is positioned at the side of the rotary drum, the slide block is slidably positioned on the slide rail, a connecting rod in sliding fit with the slide rail is arranged on the slide block, and the rack is fixedly connected below the slide block, the gear is sleeved on the driving shaft, the gear is located beside the rack, and the gear is meshed with the rack.

Preferably, the slide rail on the rotary drum is a closed track with a wavy structure, the slide rail is arranged around the axis of the rotary drum, the slide rail is provided with a plurality of centrosymmetric peak sections and trough sections, and the peak sections and the trough sections are respectively arranged at two ends of the rotary drum.

Preferably, the connecting rod is horizontal state fixed connection on the lateral wall that is close to rotary drum one side on the slider, and the pot head of keeping away from the slider on the connecting rod is equipped with the pulley, pulley and slide rail sliding fit, and one side that is close to the rotary drum on the support frame is provided with the spacing groove parallel with the axis of rotary drum, and the connecting rod runs through the spacing groove, and connecting rod and spacing groove sliding fit.

Preferably, the bottom of slider still is provided with two slide bars that all are vertical state, and the slide bar runs through the spout through on the support frame, and slide bar and spout sliding fit, rack are horizontality fixed connection in the bottom of slide bar.

Preferably, both ends of the rotating drum are provided with mounting plates in a vertical state, the rotating drum is rotatably arranged between the two mounting plates, one end of the rotating drum, which is close to the supporting shaft, is sleeved with a second synchronous wheel, and the second synchronous wheel and the adjacent supporting shaft are sleeved with a second synchronous belt.

Preferably, the transmission assembly is composed of a plurality of universal couplings.

Preferably, the unloading assembly comprises an unloading shaft, a spiral blade, a first synchronous wheel and a first synchronous belt, the unloading shaft is rotatably connected to the inner walls of two sides of the carburizing device, the spiral blade is sleeved on the unloading shaft, the spiral directions of blades at two ends of the spiral blade are opposite to each other, the first synchronous wheel is sleeved on one end of the unloading shaft, the first synchronous belt is sleeved on a supporting shaft adjacent to the first synchronous wheel and the unloading shaft, the bottom of the material receiving groove is provided with a semicircular arc-shaped unloading groove matched with the spiral blade, and two unloading openings are respectively located at two ends of the unloading groove.

Preferably, the material receiving groove is a rectangular groove body, and four inner walls of the material receiving groove are obliquely arranged.

Preferably, the bottom of the discharge channel is arranged obliquely, and the top of the discharge channel is provided with a baffle.

Compared with the prior art, the beneficial effect of this application is:

1. the device has the advantages that the device plays a role in supporting the mesh conveyor belt through the arrangement of the supporting shafts, the mesh conveyor belt is cleaned through the brush rolls on the supporting shafts, after coking materials fall onto the supporting plates, the coking materials are collected through the plurality of material receiving grooves, meanwhile, the discharging assemblies are driven through the supporting shafts to drive the coking materials in the material receiving grooves, so that the coking materials are conveyed to the discharging openings on the two sides of the material receiving grooves, the coking materials slide to the discharging channels along the discharging plates, the carburizing devices are discharged, the cleaning mechanisms are also driven by the movement of the supporting shafts, the coking materials attached to the two discharging plates are cleaned through the plurality of cleaning mechanisms, the coking materials on the discharging plates can smoothly slide off, the coking materials generated by the screw machining of the carburizing devices can be effectively cleaned, and the operation burden of workers is reduced, need not to shut down and clear up netted conveyer belt for the carburization device can carry out carburization to the material in succession, has improved the efficiency of production, has still further reduced from this that the residue adheres to on the netted conveyer belt in the in-process of carburization to the influence of the carburization on screw surface, thereby has improved the quality of carburization, has improved the yields.

2. This application drives the rotation of slide rail through the rotary drum, drive the connecting rod through the slide rail, thereby drive the slider removal through the connecting rod, drive rack reciprocating motion through the slider, drive the gear through the rack, thereby drive the drive shaft, rethread drive shaft drives transmission assembly, drive the rotation axis through transmission assembly, thereby make the brush board use the rotation axis to carry out reciprocal swing on the surface of stripper as the centre of a circle, coke that will adhere to the stripper surface is clear away, improve the clearance degree to the coke, help being located the coke on the stripper to slide to the passageway of unloading simultaneously, thereby make the coke accesss to outside the carburizing device smoothly, the influence of the carburization to the screw surface on the process of carburization on attached to netted conveyer belt has been reduced, the quality of carburization has been improved.

Drawings

FIG. 1 is a perspective view of the present application in its entirety;

FIG. 2 is a cross-sectional schematic view and an enlarged view of the entire structure of the present application;

FIG. 3 is a schematic perspective view of the interior of the carburizing apparatus of the present application;

FIG. 4 is a partial perspective view of the cleaning mechanism and discharge assembly of the present application;

FIG. 5 is an enlarged view at A in FIG. 4 of the present application;

FIG. 6 is a side view of the discharge assembly of the present application;

FIG. 7 is a side view of the cleaning mechanism of the present application;

FIG. 8 is a perspective view of the cleaning mechanism of the present application;

FIG. 9 is a side view of the drum of the present application;

FIG. 10 is a perspective view of the support bracket and slide of the present application;

FIG. 11 is a perspective view of a slider of the present application;

FIG. 12 is a perspective view of the support plate of the present application and an enlarged view thereof;

FIG. 13 is a side view one of the support plates of the present application;

FIG. 14 is a second side view of the support plate of the present application and an enlarged view thereof;

the reference numbers in the figures are:

1-a carburizing device; 1 a-a mesh conveyor belt; 1a 1-support shaft; 1a 2-brush roll; 1a 3-card slot; 1a 4-latch; 1a5 — rotary drive motor; 1a 6-rotating roller; 1 b-a support plate; 1b 1-receiving trough; 1b 2-discharge opening; 1b 3-discharge chute; 1b 4-stripper plate; 1b 5-discharge channel; 1b 6-baffle; 1 c-a discharge assembly; 1c 1-discharge shaft; 1c 2-helical leaves; 1c3 — first synchronous wheel; 1c4 — first timing belt;

2-a cleaning mechanism; 2 a-the axis of rotation; 2a 1-brush plate; 2a 2-transmission assembly; 2a 3-universal coupling; 2 b-a drive shaft; 2b 1-gear; 2 c-a rotating drum; 2c1 — sliding rail; 2c 2-peak band; 2c 3-wave trough section; 2c 4-mounting plate; 2c5 — second synchronizing wheel; 2c6 — second timing belt; 2 d-a scaffold; 2d 1-chute; 2d 2-limit groove; 2 e-a slider; 2e 1-connecting rod; 2e 2-pulley; 2e 3-rack; 2e 4-sliding bar.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 14: a surface carburizing treatment device for producing carbon steel self-tapping screws comprises a carburizing device 1 and a mesh conveyor belt 1a arranged below the carburizing device 1, wherein a supporting plate 1b, a plurality of supporting shafts 1a1, a plurality of discharging assemblies 1c and a plurality of cleaning mechanisms 2 are also arranged in the carburizing device 1,

a plurality of supporting shafts 1a1 are rotatably connected between the inner walls of two sides of the carburizing device 1 in a horizontal state, a plurality of supporting shafts 1a1 are arranged below the mesh conveyor belt 1a at equal distances, each supporting shaft 1a1 is sleeved with a brush roller 1a2,

both ends of the supporting shaft 1a1 are provided with a plurality of clamping grooves 1a3 arranged around the axis thereof, one side of the mesh-shaped conveyor belt 1a close to the supporting shaft 1a1 is provided with a plurality of clamping teeth 1a4 arranged along the contour of the inner wall thereof, the clamping grooves 1a3 of the supporting shaft 1a1 are engaged and connected with the clamping teeth 1a4 on the mesh-shaped conveyor belt 1a,

the supporting plate 1b is horizontally arranged below the supporting shaft 1a1, the supporting plate 1b is provided with a plurality of material receiving grooves 1b1, a plurality of material receiving grooves 1b1 are respectively arranged between two adjacent supporting shafts 1a1, the two sides of the supporting plate 1b are provided with a discharging plate 1b4 extending to the bottom of the carburizing device 1, the two sides of the material receiving grooves 1b1 are both provided with discharging openings 1b2 respectively communicated with the two discharging plates 1b4, the top of the discharging plate 1b4 is provided with a discharging channel 1b5,

the plurality of discharging assemblies 1c are respectively and rotatably arranged on the bottom plate of the receiving groove 1b1, all the discharging assemblies 1c are respectively in transmission connection with the adjacent supporting shafts 1a1, the plurality of cleaning mechanisms 2 are in mirror symmetry and are respectively arranged on the two discharging plates 1b4, and all the cleaning mechanisms 2 are respectively in transmission connection with the adjacent supporting shafts 1a 1.

The two sides of the meshed conveyor belt 1a are respectively provided with a rotating roller 1a6, one rotating roller 1a6 is driven by a rotary driving motor 1a5, the meshed conveyor belt 1a is sleeved on the two rotating rollers 1a6, an output shaft of the rotary driving motor 1a5 drives a rotating roller 1a6 in transmission connection with the meshed conveyor belt 1a through the starting of the rotary driving motor 1a5, the rotation of the rotating roller 1a6 drives the meshed conveyor belt 1a to rotate, screws are laid on the meshed conveyor belt 1a, the meshed conveyor belt 1a drives the screws to move below the carburizing device 1, and the surface of the screws is carburized through the carburizing device 1;

through the arrangement of the plurality of supporting shafts 1a1, the mesh-shaped conveyor belt 1a is supported, so as to prevent the mesh-shaped conveyor belt 1a from being damaged due to the sinking caused by the weight of screws, the rotation of the mesh-shaped conveyor belt 1a drives the plurality of latches 1a4 below the mesh-shaped conveyor belt, the latches 1a4 drive the slots 1a3 engaged with the latches, so as to drive the rotation of the supporting shafts 1a1 through the slots 1a3, thereby driving the brush roller 1a2 sleeved on the supporting shaft 1a1, the brush roller 1a2 rotates while the mesh-shaped conveyor belt 1a moves, so as to clean the mesh-shaped conveyor belt 1a, so as to prevent a large amount of coking substances generated after the screws are carburized from adhering to the mesh of the mesh-shaped conveyor belt 1a, the coking substances generated in the carburization process fall onto the supporting plate 1b through the meshes of the mesh-shaped conveyor belt 1a, and the supporting plate 1b passes through the arrangement of the plurality of material receiving grooves 1b1, so as to collect the coked material in a centralized manner, at the same time, the discharging assembly 1c in transmission connection with the supporting shaft 1a1 is driven by the rotation of the supporting shaft 1a1, the coked material collected in the receiving groove 1b1 is driven by the plurality of discharging assemblies 1c, so that the coked material is conveyed to the discharging openings 1b2 at both sides of the receiving groove 1b1, and then the coked material is conveyed to the discharging plate 1b4, because the discharging plate 1b4 extends to the bottom of the carburizing device 1, the coked material flows along the surface of the discharging plate 1b4 to the discharging channel 1b5 at the bottom of the discharging plate 1b4, and finally the coked material is discharged out of the carburizing device 1 through the discharging channel 1b5, in order to prevent the coked material from adhering to the discharging plate 1b4 while flowing along the discharging plate 1b4, the rotation of the supporting shaft 1a1 can drive the cleaning mechanism 2 in transmission connection with the coked material adhered to the discharging plates 1b4, the device has the advantages that the coked materials on the discharging plate 1b4 can smoothly slide off, the coked materials generated by processing the screws can be effectively cleaned by the carburizing device 1 through the steps, so that the operation burden of workers is reduced, the mesh conveyor belt 1a is cleaned without stopping, the carburizing device 1 can continuously perform carburizing treatment on the materials, the production efficiency is improved, the influence of residues attached to the mesh conveyor belt 1a on the carburizing process on the surfaces of the screws is further reduced, the carburizing quality is improved, and the yield is improved.

As shown in fig. 4, 5, 7 to 11:

all the cleaning mechanisms 2 comprise a rotating shaft 2a, a brush plate 2a1, a driving shaft 2b, a transmission assembly 2a2, a rotary drum 2c, a support frame 2d, a slide block 2e, a rack 2e3 and a gear 2b1, wherein the rotating shaft 2a is rotatably connected with the bottom of a discharging plate 1b4, the axis of the rotating shaft 2a is vertical to the surface of a discharging plate 1b4, the brush plate 2a1 is sleeved on the rotating shaft 2a, the driving shaft 2b is rotatably positioned on the outer side wall of the carburizing device 1 in a vertical state, two ends of the transmission assembly 2a2 are respectively sleeved on the rotating shaft 2a and the driving shaft 2b, the transmission assembly 2a2 is in transmission connection with the driving shaft 2b, the rotary drum 2c is rotatably positioned at the side of the driving shaft 2b, a slide rail 2c1 capable of driving the slide block 2e to reciprocate is arranged on the rotary drum 2c, the rotary drum 2c is in transmission connection with the support shaft 1a1 side of the rotary drum 2c, the support frame 2d is positioned at the side of the rotary drum 2c, the supporting frame 2d is provided with a sliding groove 2d1 parallel to the axis of the rotary drum 2c, the sliding block 2e is slidably located on the sliding groove 2d1, the sliding block 2e is provided with a connecting rod 2e1 in sliding fit with the sliding rail 2c1, the rack 2e3 is fixedly connected below the sliding block 2e, the gear 2b1 is sleeved on the driving shaft 2b, the gear 2b1 is located on the side of the rack 2e3, and the gear 2b1 is meshed with the rack 2e 3.

The rotation of the supporting shaft 1a1 drives the rotary drum 2c in transmission connection with the rotary drum, the rotation of the rotary drum 2c drives the slide rail 2c1 on the surface thereof to rotate, the slide rail 2c1 drives the connecting rod 2e1, so that the connecting rod 2e1 drives the slide block 2e to move, the slide block 2e is slidably located on the slide groove 2d1 of the supporting frame 2d, so that the slide block 2e can only reciprocate along the direction of the slide groove 2d1, the slide block 2e drives the rack 2e3 at the bottom thereof to reciprocate through the movement of the slide block 2e, the gear 2b1 in meshing connection with the slide block is driven to rotate through the movement of the rack 2e3, so that the driving shaft 2b makes reciprocating rotation, the driving component 2a2 is driven by the driving shaft 2b, the reciprocating rotation of the rotating shaft 2a is driven by the transmission component 2a2, so that the brush plate 2a1 located on the rotating shaft 2a is driven, and the rotating shaft 2a is perpendicular to the surface of the discharging plate 1b4, therefore, the brush plate 2a1 swings in a reciprocating manner on the surface of the discharging plate 1b4 by taking the rotating shaft 2a as a circle center, cokes attached to the surface of the discharging plate 1b4 are removed, the cleaning degree of the cokes is improved, and the cokes on the discharging plate 1b4 slide in the discharging channel 1b5, so that the cokes can smoothly pass through the carburizing device 1, the influence of residues attached to the mesh conveyor belt 1a on the carburization in the process of the carburization on the surface of a screw is reduced, and the carburization quality is improved.

As shown in fig. 8 and 9:

the slide rail 2c1 on the rotary drum 2c is a closed track with a wavy structure, the slide rail 2c1 surrounds the axis of the rotary drum 2c, the slide rail 2c1 is provided with a plurality of wave crest segments 2c2 and wave trough segments 2c3 which are centrosymmetric, and the wave crest segments 2c2 and the wave trough segments 2c3 are respectively arranged at two ends of the rotary drum 2 c.

The rotary drum 2c is driven by the rotation of the supporting shaft 1a1, the slide rail 2c1 is driven by the rotary drum 2c to rotate along with the rotary drum 2c, the peak section 2c2 and the valley section 2c3 on the slide rail 2c1 are respectively located at two ends of the rotary drum 2c, the slide rail 2c1 moves to enable the connecting rod 2e1 in sliding fit with the slide rail 2c1 to slide back and forth between the peak section 2c2 and the valley section 2c3 of the slide rail 2c1, the slide block 2e is limited in the slide slot 2d1, the slide slot 2d1 is parallel to the axis of the rotary drum 2c, the slide block 2e is driven to do reciprocating linear motion by the connecting rod 1, so as to drive the rack 2e3 at the bottom of the slide block 2e, the gear 2b1 is driven by the rack 2e3 so as to drive the driving shaft 2b, the transmission assembly 2a2 is driven by the driving shaft 2a2, the rotation shaft 362 a to do reciprocating swing of the brush plate 29, thereby facilitating cleaning of adhered coke on the discharge plate 1b 4.

As shown in fig. 10 and 11:

connecting rod 2e1 is horizontal state fixed connection on the lateral wall that is close to rotary drum 2c one side on slider 2e, the pot head that keeps away from slider 2e on connecting rod 2e1 is equipped with pulley 2e2, pulley 2e2 and slide rail 2c1 sliding fit, one side that is close to rotary drum 2c on the support frame 2d is provided with spacing groove 2d2 parallel with the axis of rotary drum 2c, connecting rod 2e1 runs through spacing groove 2d2, and connecting rod 2e1 and spacing groove 2d2 sliding fit.

Through the arrangement of the pulley 2e2, the friction force between the connecting rod 2e1 and the sliding rail 2c1 can be better reduced when the connecting rod 2e is driven by the sliding rail 2c1, so that the power transmission between the rotary drum 2c and the sliding block 2e is smoother, because the rotary drum 2c drives the sliding rail 2c1 through rotation, when the sliding rail 2c1 drives the connecting rod 2e1 to reciprocate in the horizontal direction, a part of force drives the connecting rod 2e1 to swing towards the rotating direction of the rotary drum 2c, so as to influence the sliding of the sliding block 2e, when the rotary drum 2c rotates too fast, the connecting rod 2e1 can be damaged, through the arrangement of the limiting groove 2d2, when the connecting rod 2e1 is driven by the sliding rail 2c1, the swinging direction of the connecting rod 2e1 is limited through the limiting groove 2d2, so that the connecting rod 2e1 slides along the direction of the limiting groove 2d2, thereby improving the stability of the sliding block 2e, the connecting strength of the connecting rod 2e1 is also improved, and the service life of the connecting rod is prolonged.

As shown in fig. 8, 10 and 11:

the bottom of the sliding block 2e is further provided with two sliding rods 2e4 which are both in a vertical state, the sliding rod 2e4 penetrates through the sliding groove 2d1 on the supporting frame 2d, the sliding rod 2e4 is in sliding fit with the sliding groove 2d1, and the rack 2e3 is fixedly connected to the bottom of the sliding rod 2e4 in a horizontal state.

The rotating drum 2c rotates to drive the connecting rod 2e1 in sliding fit with the sliding rail 2c1 of the rotating drum, the connecting rod 2e1 drives the sliding block 2e to move, the sliding block 2e drives the two sliding rods 2e4 at the bottom of the sliding block, and the two sliding rods 2e4 move along the sliding groove 2d1, so that the rack 2e3 at the bottom of the sliding rod 2e4 is driven to move, the sliding rod 2e4 and the sliding groove 2d1 are in sliding fit, the sliding block 2e is limited, so that the sliding block 2e can do reciprocating linear motion better, the rack 2e3 enables power to stably pass through the gear 2b1, the driving shaft 2b, the transmission assembly 2a2 and the rotating shaft 2a to be transmitted to the brush plate 2a1, the brush plate 2a1 can conveniently swing in a reciprocating mode, and the surface of the discharging plate 1b4 is cleaned.

As shown in fig. 5, 7 and 8:

both ends of rotary drum 2c all are provided with the mounting panel 2c4 that is vertical state, and rotary drum 2c is rotatable to be located between two mounting panels 2c4, and the pot head that is close to back shaft 1a1 on rotary drum 2c is equipped with second synchronizing wheel 2c5, and the cover is equipped with second hold-in range 2c6 on second synchronizing wheel 2c5 and its adjacent back shaft 1a 1.

The rotation of the supporting shaft 1a1 drives the second synchronous wheel 2c5 connected with the supporting shaft through the second synchronous belt 2c6, the second synchronous wheel 2c5 drives the rotary drum 2c to rotate between the two mounting plates 2c4, the rotation of the rotary drum 2c drives the sliding rail 2c1 on the surface of the rotary drum, and therefore the sliding rail 2c1 drives the sliding block 2e to move, the rotary drum 2c can be driven without adding other driving sources, and the cost is reduced.

As shown in fig. 5 and 7:

the transmission assembly 2a2 is composed of a plurality of universal couplings 2a 3.

Through the setting of a plurality of universal joint 2a3, can make two drive shafts 2b and rotation axis 2a of different coaxial lines keep the transmission of power, be convenient for the connection between rotation axis 2a and the drive shaft 2b, be convenient for installation and debugging, do not receive the restriction of carburization device 1 inner space.

As shown in fig. 4, 6, 12 to 14:

the discharging assembly 1c comprises a discharging shaft 1c1, a spiral blade 1c2, a first synchronizing wheel 1c3 and a first synchronizing belt 1c4, wherein the discharging shaft 1c1 is rotatably connected to the inner walls of two sides of the carburizing device 1, the spiral blade 1c2 is sleeved on the discharging shaft 1c1, the spiral directions of blades at two ends of the spiral blade 1c2 are arranged in opposite directions, the first synchronizing wheel 1c3 is sleeved on one end of the discharging shaft 1c1, the first synchronizing belt 1c4 is sleeved on the first synchronizing wheel 1c3 and a supporting shaft 1a1 adjacent to the discharging shaft 1c1, the bottom of the material receiving groove 1b1 is provided with a semicircular discharging groove 1b3 matched with the spiral blade 1c2, and the two discharging openings 1b2 are respectively located at two ends of the discharging groove 1b 3.

The supporting shafts 1a1 are driven to rotate by the movement of the mesh conveyor belt 1a, so that the first synchronous belt 1c4 is driven by the rotation of the supporting shafts 1a1, the first synchronous belt 1c4 drives the first synchronous wheel 1c3, the discharge shaft 1c1 is driven to rotate by the first synchronous wheel 1c3, the spiral blade 1c2 is driven to rotate by the discharge shaft 1c1, and because the spiral directions of the blades at the two ends of the spiral blade 1c2 are arranged in opposite directions, the coke in the discharge chute 1b3 can respectively move to the discharge ports 1b2 at the two ends along the semi-circular inner wall of the discharge chute 1b3 under the rotation of the spiral blade 1c2 until the coke is moved to the discharge plates 1b4 at the two sides of the receiving chute 1b1, and the setting of the discharge assembly 1c facilitates the driving of the coke in the concentrated collection of the coke in the early receiving chute 1b1, so as to keep the coke 1b1 not to form a plurality of the coke in the receiving chute, the auxiliary coking materials are discharged out of the carburizing device 1 as soon as possible, so that the influence of the coking materials on the carburization of the surface of the screw in the carburizing process is reduced, and the carburization quality of the surface of the screw is improved.

As shown in fig. 12:

the material receiving groove 1b1 is a rectangular groove body, and four inner walls of the material receiving groove 1b1 are all obliquely arranged.

Four inner walls of the material receiving groove 1b1 are obliquely arranged, so that the coking materials falling on the supporting plate 1b through the brush roller 1a2 can better slide to the bottom of the material receiving groove 1b1 under the action of gravity, and the collection of the coking materials is facilitated.

As shown in fig. 12 to 14:

the bottom of the discharge channel 1b5 is arranged obliquely, and the top of the discharge channel 1b5 is provided with a baffle 1b 6.

The bottom of the discharging channel 1b5 is inclined, so that coke falling into the discharging channel 1b5 can better slide out of the carburizing device 1 under the action of gravity, the arrangement of the baffle plate 1b6 ensures that the coke falling into the channel is not easy to move outwards, the coke can be discharged, a blowing device can be arranged on one side of the discharging channel 1b5 with higher gradient, the coke can better slide, and meanwhile, the baffle plate 1b6 can prevent the coke from being blown to the side of the discharging channel 1b5 by the blowing device.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A surface carburization treatment device for producing carbon steel self-tapping screws comprises a carburizing device (1) and a mesh-shaped conveyor belt (1 a) arranged below the carburizing device (1), and is characterized in that a supporting plate (1 b), a plurality of supporting shafts (1 a 1), a plurality of discharging assemblies (1 c) and a plurality of cleaning mechanisms (2) are further arranged in the carburizing device (1),

a plurality of support shafts (1 a 1) are all connected between the inner walls of two sides of the carburizing device (1) in a horizontal state in a rotatable manner, a plurality of support shafts (1 a 1) are arranged below the mesh-shaped conveyor belt (1 a) at equal distance, each support shaft (1 a 1) is sleeved with a brush roller (1 a 2),

a plurality of clamping grooves (1 a 3) which are arranged around the axis of the supporting shaft (1 a 1) are respectively arranged at the two ends of the supporting shaft (1 a 1), a plurality of clamping teeth (1 a 4) which are arranged along the contour of the inner wall of the supporting shaft (1 a 1) are arranged on one side of the reticular conveyor belt (1 a) close to the supporting shaft (1 a 1), the clamping grooves (1 a 3) of the supporting shaft (1 a 1) are meshed and connected with the clamping teeth (1 a 4) on the reticular conveyor belt (1 a),

the supporting plate (1 b) is horizontally arranged below the supporting shaft (1 a 1), a plurality of material receiving grooves (1 b 1) are arranged on the supporting plate (1 b), a plurality of material receiving grooves (1 b 1) are respectively arranged between two adjacent supporting shafts (1 a 1), discharging plates (1 b 4) extending towards the bottom of the carburizing device (1) are arranged on two sides of the supporting plate (1 b), discharging openings (1 b 2) respectively communicated with two discharging plates (1 b 4) are respectively arranged on two sides of each material receiving groove (1 b 1), a discharging channel (1 b 5) is arranged at the top of each discharging plate (1 b 4),

the plurality of discharging assemblies (1 c) are respectively rotatably positioned on the bottom plate of the receiving groove (1 b 1), all the discharging assemblies (1 c) are respectively in transmission connection with the adjacent supporting shafts (1 a 1), the plurality of cleaning mechanisms (2) are respectively positioned on the two discharging plates (1 b 4) in mirror symmetry, and all the cleaning mechanisms (2) are respectively in transmission connection with the adjacent supporting shafts (1 a 1);

the two sides of the mesh conveyor belt (1 a) are respectively provided with a rotating roller (1 a 6), one rotating roller (1 a 6) is driven by a rotary driving motor (1 a 5), the mesh conveyor belt (1 a) is sleeved on the two rotating rollers (1 a 6), the mesh conveyor belt (1 a 6) is driven to rotate by the rotation of the rotating driving motor (1 a 5), an output shaft of the rotary driving motor (1 a 5) drives the rotating roller (1 a 6) in transmission connection with the mesh conveyor belt, the mesh conveyor belt (1 a) is paved with screws, the screws are driven to move below the carburizing device (1) by the mesh conveyor belt (1 a), and the surface of the screws is carburized by the carburizing device (1).

2. The surface carburizing treatment equipment for carbon steel self-tapping screw production according to claim 1, wherein all the cleaning mechanisms (2) comprise a rotating shaft (2 a), a brush plate (2 a 1), a driving shaft (2 b), a transmission assembly (2 a 2), a rotating drum (2 c), a support frame (2 d), a slider (2 e), a rack (2 e 3) and a gear (2 b 1), the rotating shaft (2 a) is rotatably connected to the bottom of a discharging plate (1 b 4), the axis of the rotating shaft (2 a) is perpendicular to the surface of the discharging plate (1 b 4), the brush plate (2 a 1) is sleeved on the rotating shaft (2 a), the driving shaft (2 b) is rotatably positioned on the outer side wall of the carburizing device (1) in a vertical state, two ends of the transmission assembly (2 a 2) are respectively sleeved on the rotating shaft (2 a) and the driving shaft (2 b), and the transmission assembly (2 a 2) is in transmission connection with the driving shaft (2 b), the rotary drum (2 c) is rotatably positioned at the side of the driving shaft (2 b), a sliding rail (2 c 1) capable of driving the sliding block (2 e) to move back and forth is arranged on the rotary drum (2 c), the rotary drum (2 c) is in transmission connection with a supporting shaft (1 a 1) at the side of the rotary drum (2 c), the supporting frame (2 d) is positioned at the side of the rotary drum (2 c), a sliding groove (2 d 1) parallel to the axis of the rotary drum (2 c) is arranged on the supporting frame (2 d), the sliding block (2 e) is slidably positioned on the sliding groove (2 d 1), a connecting rod (2 e 1) in sliding fit with the sliding rail (2 c 1) is arranged on the sliding block (2 e), a rack (2 e 3) is fixedly connected below the sliding block (2 e), a gear (2 b 1) is sleeved on the driving shaft (2 b), the gear (2 b 1) is positioned at the side of the rack (2 e 3), and the gear (2 b 1) is in meshing connection with the rack (2 e 3).

3. The surface carburizing treatment equipment for carbon steel self tapping screw production according to claim 2, wherein the sliding rail (2 c 1) on the rotating drum (2 c) is a closed rail with a wavy structure, the sliding rail (2 c 1) is arranged around the axis of the rotating drum (2 c), the sliding rail (2 c 1) is provided with a plurality of central symmetrical peak sections (2 c 2) and valley sections (2 c 3), and the peak sections (2 c 2) and the valley sections (2 c 3) are respectively arranged on two ends of the rotating drum (2 c).

4. The surface carburizing treatment equipment for carbon steel self-tapping screw production according to claim 2, wherein the connecting rod (2 e 1) is fixedly connected to the side wall of the sliding block (2 e) on the side close to the rotating drum (2 c) in a horizontal state, one end of the connecting rod (2 e 1) far away from the sliding block (2 e) is sleeved with a pulley (2 e 2), the pulley (2 e 2) is in sliding fit with the sliding rail (2 c 1), one side of the support frame (2 d) close to the rotating drum (2 c) is provided with a limiting groove (2 d 2) parallel to the axis of the rotating drum (2 c), the connecting rod (2 e 1) penetrates through the limiting groove (2 d 2), and the connecting rod (2 e 1) is in sliding fit with the limiting groove (2 d 2).

5. The surface carburizing treatment equipment for carbon steel tapping screw production according to claim 2, characterized in that the bottom of the sliding block (2 e) is further provided with two sliding rods (2 e 4) which are both in a vertical state, the sliding rod (2 e 4) penetrates through the sliding groove (2 d 1) on the supporting frame (2 d), the sliding rod (2 e 4) is in sliding fit with the sliding groove (2 d 1), and the rack (2 e 3) is fixedly connected to the bottom of the sliding rod (2 e 4) in a horizontal state.

6. The surface carburizing treatment equipment for carbon steel self-tapping screw production according to claim 2, wherein both ends of the rotary drum (2 c) are provided with mounting plates (2 c 4) in a vertical state, the rotary drum (2 c) is rotatably arranged between the two mounting plates (2 c 4), one end of the rotary drum (2 c) close to the supporting shaft (1 a 1) is sleeved with a second synchronizing wheel (2 c 5), and the second synchronizing wheel (2 c 5) and the adjacent supporting shaft (1 a 1) are sleeved with a second synchronous belt (2 c 6).

7. A surface carburizing treatment apparatus for carbon steel self-tapping screw production according to claim 2, wherein the transmission assembly (2 a 2) is composed of a plurality of universal couplings (2 a 3).

8. The surface carburizing treatment apparatus for carbon steel self-tapping screw production according to any one of claims 1 to 7, wherein the discharging assembly (1 c) comprises a discharging shaft (1 c 1), a spiral blade (1 c 2), a first synchronous pulley (1 c 3) and a first synchronous belt (1 c 4), the discharging shaft (1 c 1) is rotatably connected to the inner wall of the two sides of the carburizing device (1), the spiral blade (1 c 2) is sleeved on the discharging shaft (1 c 1), the spiral directions of the blades at the two ends of the spiral blade (1 c 2) are arranged in opposite directions, the first synchronous pulley (1 c 3) is sleeved on one end of the discharging shaft (1 c 1), the first synchronous belt (1 c 4) is sleeved on the first synchronous pulley (1 c 3) and a supporting shaft (891 a 1) adjacent to the discharging shaft (1 c 1), the bottom of the spiral receiving groove (1) is provided with a semicircular groove (2) matching with the discharge groove (3638), two discharge openings (1 b 2) are respectively positioned at two ends of the discharge ditch (1 b 3).

9. The surface carburizing treatment apparatus for carbon steel self tapping screw production according to any one of claims 1 to 7, wherein the receiving groove (1 b 1) is a rectangular groove body, and four inner walls of the receiving groove (1 b 1) are all disposed obliquely.

10. The carburizing treatment equipment for carbon steel self-tapping screw production according to any one of claims 1 to 7, wherein the bottom of the discharging channel (1 b 5) is arranged obliquely, and the top of the discharging channel (1 b 5) is provided with a baffle (1 b 6).