阅读说明：本技术 一种环保的拖车链加工工艺 (Environment-friendly trailer chain processing technology ) 是由 杨卫波 王红华 卢全 杨立律 于 2019-05-27 设计创作，主要内容包括：本方法公开了一种环保的拖车链加工工艺,所述拖车链加工工艺包括：a.下料：将原料剪切成段状的棒料；b.热编链：对棒料加热后,将棒料弯成规定尺寸,然后进行自动编链；c.抛丸：将成品置入抛丸装置中,对成品进行抛丸处理；d.焊接：将棒料形成的金属圆环的两端焊接在一起；e.热处理：在热处理设备中对成品进行热处理；f.发蓝：通过发蓝处理设备对成品进行冷却和皂化处理。(The method discloses an environment-friendly trailer chain processing technology, which comprises the following steps: a. blanking: shearing the raw material into a sectional bar stock; b. hot-knitting chain: heating the bar stock, bending the bar stock into a specified size, and then automatically chaining; c. shot blasting: placing the finished product into a shot blasting device, and performing shot blasting treatment on the finished product; d. welding: welding two ends of a metal ring formed by a bar material together; e. and (3) heat treatment: carrying out heat treatment on the finished product in heat treatment equipment; f. bluing: and cooling and saponifying the finished product by a bluing device.)

1. An environment-friendly trailer chain processing technology is characterized in that: the processing technology of the trailer chain comprises the following steps:

a. blanking: shearing the raw material into a sectional bar stock;

b. hot-knitting chain: heating the bar stock, bending the bar stock into a specified size, and then automatically chaining;

c. shot blasting: placing the finished product into a shot blasting device, and performing shot blasting treatment on the finished product;

d. welding: welding two ends of a metal ring formed by a bar material together;

e. and (3) heat treatment: carrying out heat treatment on the finished product in heat treatment equipment;

f. bluing: cooling and saponifying the finished product by blueing treatment equipment;

wherein the bluing treatment equipment in the step f comprises a treatment box (1), a rolling wheel (21) and an extrusion piece (22) for assisting the chain to move, a control device for controlling the extrusion piece (22) to move up and down, a first conveying roller (31), a second conveying roller (32), a third conveying roller (33), a fourth conveying roller (34) and a fifth conveying roller (35) for conveying the chain, a discharge hole (11) arranged on the side wall of the treatment box (1), a fixing device for fixing the end part of the chain, a connecting piece (41) connected with the fixing device and a containing box (51) for placing the chain which is bluing, the first conveying roller (31), the second conveying roller (32) and the fifth conveying roller (35) are all arranged in a horizontal state, the third conveying roller (33) and the fourth conveying roller (34) are both arranged in a vertical state, a filter element (511) for filtering the bluing solution is arranged on the containing box (51); before bluing treatment is carried out on the chain, the fixing device is pulled, the fixing device sequentially penetrates through a fifth conveying roller (35), a fourth conveying roller (34), a third conveying roller (33), a second conveying roller (32) and a first conveying roller (31), a connecting piece (41) penetrates through the fixing device and then is pulled out from a position between an extrusion piece (22) and a rolling wheel (21), then the fixing device fixes the chain after heat treatment, then the connecting piece (41) is recovered through mechanical power to drive the fixing device to return, the fixing device drives one end of the chain to move, the chain reacts in bluing solution in the treatment box (1) at the moment until one end of the chain is moved out of a discharge port (11), the rest chain is pulled out and placed in a containing box (51), and output is carried out after the solution on the chain is dried;

the raw materials are firstly cut into sectional bars by a precision bar stock cutting machine before chain knitting, and the cutting error of the bars is +/-0.5 mm; the bar stock is preheated by an electric heating mode, and then is subjected to final heat treatment by an electric heating mode, wherein the preheating temperature is 500-700 ℃, and the final heat temperature is 800-1000 ℃;

when the metal ring is welded, two end faces of the metal ring are butted into a closed loop by a resistance welding method, pressure is applied to the two end faces when the temperature of the end faces reaches a certain height and molten metal is generated, and then the two end faces are subjected to rapid upsetting, so that the end faces of base metal reaching the melting temperature are recrystallized and fused into a whole;

the control device comprises a movable cavity (12), a first transmission rack (23) used for controlling the extrusion part (22) to move up and down, a transmission part (24) with one side meshed with the first transmission rack (23), a second transmission rack (25) meshed with the other side of the transmission part (24), a driving rod (26) used for driving the second transmission rack (25) to move, a rotating shaft (261) movably connected with the driving rod (26) and a movable groove (13) used for enabling the driving rod (26) to rotate, wherein the first transmission rack (23) is fixedly connected with the extrusion part (22) through a connecting plate (221), the transmission part (24) is movably connected with the inner wall of the movable cavity (12) through a fixed shaft (241), and the driving rod (26) is movably connected with the rotating shaft (261) through a supporting seat (262); before a fixing device needs to penetrate between an extrusion part (22) and a rolling wheel (21), a driving rod (26) is pulled upwards, the driving rod (26) drives a second transmission rack (25) to move downwards, the second transmission rack (25) moves downwards to drive a transmission part (24) to rotate clockwise, the transmission part (24) rotates to drive a first transmission rack (23) to move upwards, the first transmission rack (23) drives the extrusion part (22) to move upwards through a connecting plate (221), so that the fixing device can penetrate between the extrusion part (22) and the rolling wheel (21) to reach the outer side of a treatment box (1), after a chain is fixed, the driving rod (26) is pulled downwards, the driving rod (26) drives a second transmission rack (25) to move upwards, the second transmission rack (25) moves upwards to drive the transmission part (24) to rotate anticlockwise, the transmission part (24) rotates to drive the first transmission rack (23) to move downwards, the first transmission rack (23) drives the extrusion piece (22) to move downwards through the connecting plate (221) until the extrusion piece (22) is attached to the rolling wheel (21).

2. The environment-friendly trailer chain processing technology as claimed in claim 1, wherein the environment-friendly trailer chain processing technology comprises the following steps: in the upsetting process of the metal ring, oxides and impurities in a welding line are extruded to form burrs, and after 2 seconds of pressure maintaining time, the burrs are quickly removed through a single cutter.

3. The environment-friendly trailer chain processing technology as claimed in claim 2, wherein the environment-friendly trailer chain processing technology comprises the following steps: an annular fixed block (263) is fixedly arranged on the supporting seat (262), the annular fixed block (263) is movably connected with the driving rod (26), the end part of the driving rod (26) is provided with a thread part (264), the end part of the thread part (264) is movably connected with a top plate (265), a connecting cylinder (27) is sleeved on the threaded part (264), a first annular limiting part (271) meshed with the threaded part (264) is arranged at one end of the connecting cylinder (27), the other end of the connecting cylinder (27) is provided with a second annular limiting part (272), a connecting rod (28) which can be turned over up and down is arranged on the second transmission rack (25), the connecting cylinder (27) is sleeved on the connecting rod (28), a first limit block (281) matched with the second annular limit part (272) is arranged on the connecting rod (28), a first elastic piece (29) is fixedly arranged between the top plate (265) and the connecting rod (28); when the driving rod (26) is turned upwards or downwards, the driving rod (26) drives the connecting cylinder (27) to rotate through the thread portion (264), the connecting cylinder (27) drives the connecting rod (28) to rotate, the connecting rod (28) drives the second transmission rack (25) to move, the connecting rod (28) is firstly contracted into the connecting cylinder (27) and then extends out of the connecting cylinder (27) when the driving rod (26) is turned, and the first elastic piece (29) is contracted and then stretched; after the driving rod (26) is turned upwards or downwards, the driving rod (26) is rotated, the driving rod (26) rotates on the annular fixing block (263) and moves towards the direction of the connecting cylinder (27), so that the top plate (265) is pushed, the first elastic piece (29) is stressed to contract, and the operation is finished.

Technical Field

The method belongs to the technical field of chain processing, and particularly relates to an environment-friendly trailer chain processing technology.

Background

Bluing is a material protection technique in which steel is heated in air or directly immersed in a concentrated oxidizing solution to produce an extremely thin oxide film on the surface.

In the publication No. CN206940984U, an apparatus for bluing the surface of a part is disclosed, which can perform rust-proof treatment again on a bluing part after cold cleaning, so as to improve the rust-proof capability of the bluing part; the hot cleaning pool, the bluing pool, the cold cleaning pool and the rust-proof pool are integrated together, so that the working efficiency is improved; the first annular groove is formed in the middle of the cross beam, so that the axial movement of the hanging ring can be limited, and the lifting device is guaranteed not to axially slide in the moving process.

However, in the conventional part, when the formed chain is subjected to bluing treatment, partial metal closed loops are contacted with each other, so that after the chain is immersed in a bluing solution, the surface of partial chain cannot be contacted with the bluing solution, the bluing treatment is incomplete, and the bluing quality of the chain is reduced.

Disclosure of Invention

The method provides an environment-friendly trailer chain processing technology in order to overcome the defects of the prior art.

In order to achieve the purpose, the method adopts the following technical scheme: an environment-friendly trailer chain processing technology comprises the following steps: a. blanking: shearing the raw material into a sectional bar stock; b. hot-knitting chain: heating the bar stock, bending the bar stock into a specified size, and then automatically chaining; c. shot blasting: placing the finished product into a shot blasting device, and performing shot blasting treatment on the finished product; d. welding: welding two ends of a metal ring formed by a bar material together; e. and (3) heat treatment: carrying out heat treatment on the finished product in heat treatment equipment; f. bluing: cooling and saponifying the finished product by blueing treatment equipment;

the bluing treatment equipment in the step f comprises a treatment box, a rolling wheel and an extrusion piece for assisting the chain to move, a control device for controlling the extrusion piece to move up and down, a first conveying roller, a second conveying roller, a third conveying roller, a fourth conveying roller and a fifth conveying roller for conveying the chain, a discharge port formed in the side wall of the treatment box, a fixing device for fixing the end part of the chain, a connecting piece connected with the fixing device and a containing box for containing the chain after bluing, wherein the first conveying roller, the second conveying roller and the fifth conveying roller are all arranged in a horizontal state, the third conveying roller and the fourth conveying roller are all arranged in a vertical state, and a filtering piece for filtering bluing solution is arranged on the containing box; before the chain is subjected to bluing treatment, the fixing device is pulled, the fixing device sequentially penetrates through a fifth conveying roller, a fourth conveying roller, a third conveying roller, a second conveying roller and the first conveying roller along the sequence, the connecting piece penetrates through the fixing device and then is pulled out from a position between the extrusion piece and the rolling wheel, then the fixing device fixes the chain after heat treatment, then the connecting piece is recovered through mechanical power to drive the fixing device to return, the fixing device drives one end of the chain to move, the chain reacts in bluing solution in the treatment box at the moment until one end of the chain is moved out of the discharge port, the rest chain is pulled out and placed in the storage box, and after the solution on the chain is dripped dry, the chain is output; through the setting of above-mentioned structure for the chain can be fixed through the fixing device spare, avoid human direct contact and cause the scald, guarantee the security, the chain can be through the diversion transport of first conveying roller, the second conveying roller, the third conveying roller, fourth conveying roller and fifth conveying roller simultaneously, carry out the wrench movement of each angle, so that open each metal closed loop contact surface each other, guarantee the abundant contact of bluing solution, strengthen the bluing effect of chain, improve the bluing efficiency of chain.

The raw materials are firstly cut into sectional bars by a precision bar stock cutting machine before chain knitting, and the cutting error of the bars is +/-0.5 mm; the raw materials are sheared by adopting the mode, so that the raw materials can be quickly and effectively sheared, and the shearing quality of the bar stock is ensured.

The bar stock is preheated by an electric heating mode, and then is subjected to final heat treatment by an electric heating mode, wherein the preheating temperature is 500-700 ℃, and the final heat temperature is 800-1000 ℃; the bar stock is heated in the above mode, so that the bar stock can be stably and effectively heated, the bar stock is conveniently and efficiently bent, and the bar stock is prevented from being broken when being bent.

When the metal ring is welded, two end faces of the metal ring are butted into a closed loop by a resistance welding method, pressure is applied to the two end faces when the temperature of the end faces reaches a certain height and molten metal is generated, and then the two end faces are subjected to rapid upsetting, so that the metal end faces of the base metal reaching the melting temperature are crystallized and melted into a whole from new; when the mode is adopted for welding, the metal ring can be welded quickly and accurately, welding error is reduced, and welding strength is improved.

In the upsetting process of the metal ring, oxides and impurities in a welding line are extruded to form burrs, and after 2 seconds of pressure maintaining time, burrs are quickly removed through a single cutter; the burr is removed by adopting the mode, so that the burr removing effect of the metal ring can be efficiently realized, and the surface of the welding part becomes neat and smooth.

The control device comprises a movable cavity, a first transmission rack for controlling the lifting motion of the extrusion part, a transmission part, a second transmission rack, a driving rod, a rotating shaft and a movable groove, wherein one side of the transmission part is meshed with the first transmission rack; before the fixing device needs to penetrate between the extrusion part and the rolling wheel, the driving rod is pulled upwards, the driving rod drives the second transmission rack to move downwards, the downward movement of the second transmission rack drives the driving part to rotate clockwise, the rotation of the driving part drives the first transmission rack to move upwards, the first transmission rack drives the extrusion part to move upwards through the connecting plate, so that the fixing device can penetrate between the extrusion part and the rolling wheel to reach the outer side of the treatment box, after the chain is fixed, the driving rod is pulled downwards, the driving rod drives the second transmission rack to move upwards, the upward movement of the second transmission rack drives the driving part to rotate anticlockwise, the rotation of the driving part drives the first transmission rack to move downwards, the first transmission rack drives the extrusion part to move downwards through the connecting plate until the extrusion part is attached to the; through the setting of above-mentioned structure for the extruded article can realize the effect of the removal of going up and down through the cooperation of first driving rack and second driving rack, so that fix and the tensioning to the chain, keep the rate of tension of chain when carrying, make the chain can carry through the diversion of each conveying roller when removing, realize the effect of wrench movement, guarantee the chain and turn blue the abundant contact of solution.

The supporting seat is fixedly provided with an annular fixing block, the annular fixing block is movably connected with the driving rod, the end part of the driving rod is provided with a threaded part, the end part of the threaded part is movably connected with a top plate, the threaded part is sleeved with a connecting cylinder, one end of the connecting cylinder is provided with a first annular limiting part meshed and connected with the threaded part, the other end of the connecting cylinder is provided with a second annular limiting part, the second transmission rack is provided with a connecting rod capable of overturning up and down, the connecting cylinder is sleeved on the connecting rod, the connecting rod is provided with a first limiting block matched with the second annular limiting part, and a first elastic element is fixedly arranged between the top plate and the connecting rod; when the driving rod turns upwards or downwards, the driving rod drives the connecting cylinder to rotate through the threaded part, the connecting cylinder drives the connecting rod to rotate, the connecting rod drives the second transmission rack to move, the connecting rod firstly contracts into the connecting cylinder and then extends out of the connecting cylinder when the driving rod turns, and the first elastic piece contracts and then stretches; after the driving rod is turned upwards or downwards, the driving rod is rotated, the driving rod rotates on the annular fixing block and moves towards the direction of the connecting cylinder, so that the top plate is pushed, and the first elastic piece is stressed to contract, so that the operation is finished; through the setting of above-mentioned structure, make the actuating lever can carry out stable removal on annular fixed block, and can avoid the easy emergence of actuating lever to break away from, the stability of actuating lever during operation has been guaranteed, and the cooperation setting of screw thread portion and connecting cylinder, make first elastic component can realize the effect of shrink through the removal of actuating lever, so that change the rate of tension of first elastic component, thereby can be when the tight chain of extruder clamp with relax the chain, fix the second driving rack, avoid the pine of second driving rack to take off, and lead to dropping of extruded article, guarantee the stability of extruded article work.

The method has the following advantages: this trailer chain processing technology convenient to it is fixed through the setting of above-mentioned structure for the chain can realize the transport of a plurality of angles through the wrench movement transport of each conveying roller to the chain when getting into to handle the case and turn blue the processing, so that open the contact surface between each metal closed loop, make the solution that turns blue can be abundant contact with the chain, guarantee the full face nature of turning blue of chain, strengthen the effect of turning blue of chain.

Drawings

FIG. 1 is a perspective view of the method.

Fig. 2 is an enlarged view of a structure at a in fig. 1.

Fig. 3 is a perspective sectional view of fig. 1.

Fig. 4 is an enlarged view of a structure at B in fig. 3.

Fig. 5 is an enlarged view of a structure at C in fig. 4.

Fig. 6 is an enlarged view of the structure at D in fig. 3.

Fig. 7 is a perspective cross-sectional view of the fixation device of fig. 1.

Detailed Description