Multi-station cold header with oil smoke extraction function

Abstract

The utility model discloses a multi-station cold heading machine with an oil smoke extraction function, which comprises a cold heading machine body, a sealing mechanism is arranged on the cold heading machine body, the sealing mechanism comprises a sealing gasket, a smoke hood, a mounting frame and a smoke exhaust pipe, and a plurality of groups of quick mounting mechanisms are arranged on the mounting frame. The quick-mounting mechanism comprises a positioning rod, a quick-mounting sleeve, clamping blocks, clamping grooves, a connecting rod, a mounting block and a quick-dismounting mechanism, the positioning rod is mounted on the sealing gasket, the quick-mounting sleeve is mounted on the mounting frame, multiple groups of clamping blocks slide on the inner wall of the quick-mounting sleeve, multiple groups of clamping grooves are distributed in the outer wall of the positioning rod, and the quick-dismounting mechanism is mounted on the quick-mounting sleeve. The connecting rods are mounted on the outer sides of the multiple sets of clamping blocks, the mounting blocks are mounted at the outer ends of the multiple sets of connecting rods, rapid disassembly and assembly of the smoke hood can be achieved, the cleaning and maintenance efficiency is remarkably improved, and during disassembly, the rotating sleeve is rotated to drive the unlocking sleeve and the sliding groove to rotate, so that the sliding rod is pushed to slide, and the clamping blocks are driven to be separated from the clamping grooves of the positioning rods; and rapid unlocking of the smoke hood is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold header technology field more specifically, it relates to a multi-station cold header with the function of extracting oil fume. BACKGROUND

[0002] Cold header is with the special equipment of batch production nut bolt etc. fastener specially used to pier, cold pier machine is a kind of punch press machine in mechanical manufacturing, and material is shaped to the shape needed, adopts cold-drawing copper, aluminum wire, iron wire etc. automatic cold header, the overall structure of the machine is all automatically carried out from straightening, material selection, cutting secondary forming to blanking, has the advantages such as stable forming standard, multiple processing varieties;

[0003] In the operation process of multi-station cold header forming machine, a large amount of high-temperature oil fume is generated during processing, if these oil fume cannot be effectively controlled, it will not only pollute the working environment, but also cause harm to the health of operators, therefore, in order to meet the demand of clean production, the cover body is usually installed on the upper part of the multi-station cold header forming machine, the oil fume is collected by the cover body, and the oil fume is extracted by using the oil fume pipeline and the external oil fume machine, however, the current design method generally adopts bolt fixing installation, this connection mode can guarantee the stability of the cover body, but a plurality of bolts need to be loosened by using professional tools every time, the dismounting process is complex and time-consuming, which seriously affects the cleaning and maintenance efficiency of the equipment;

[0004] In addition, the processing environment of cold header forming machine is usually accompanied by a large amount of oil stains, metal dust and other pollutants, the cover body is easy to accumulate oil stains and impurities after long-time operation, and needs to be cleaned regularly, and the traditional cover body is inconvenient to disassemble and assemble, so the operator needs to invest more time and energy when cleaning, and even the normal use of the equipment can be delayed, the existing fixing mode obviously cannot meet the demand of rapid and efficient cleaning and maintenance, therefore, an improved design capable of realizing quick disassembly while guaranteeing sealing performance is urgently needed. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a multi-station cold header with the function of extracting oil fume to solve the technical problem of inconvenient disassembly and assembly of the traditional cover body mentioned in the background art.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: A multi-station cold header with oil fume extraction function, including cold header body, the sealing mechanism is provided on the cold header body, the sealing mechanism includes sealing gasket, smoke cover, installation frame and smoke exhaust pipe, the sealing gasket is installed on the cold header body, the smoke cover is set up on the sealing gasket, the installation frame is installed on the sealing gasket outside, the smoke exhaust pipe is installed on the smoke cover top and is connected with the smoke inlet pipeline of external oil fume exhauster, a plurality of groups of quick -mounting mechanisms are provided on the installation frame, the quick -mounting mechanism includes positioning rod, quick -mounting cover, clamping block, slot, connecting rod, mounting block and quick -release mechanism, the positioning rod is installed on the sealing gasket, the quick -mounting cover is installed on the installation frame, the clamping block is provided with a plurality of groups of sliding in the inner wall of quick -mounting cover, the slot is provided with a plurality of groups of distribution on the outer wall of positioning rod, the connecting rod is installed on a plurality of groups of clamping block outside, the mounting block is installed on a plurality of groups of connecting rod outer end.

[0009] The utility model further sets up, a plurality of positioning rods are all set up as polygon and are adapted with quick -mounting cover, and the positioning rod of polygon can cooperate with the polygonal hole of quick -mounting cover, increase contact area, effectively prevent quick -mounting cover from rotating or loosening in the use process, thereby improve the stability and firmness of quick -mounting connection.

[0010] The utility model further sets up, and a plurality of mounting blocks are connected between quick -mounting cover and be equipped with tension spring, and the setting of tension spring can provide the continuous elastic tension, make quick -mounting cover always keep close contact with positioning rod, thereby avoid the equipment from loosening due to vibration when running, and the arrangement of a plurality of tension springs can evenly distribute tension, improve stability and installation reliability.

[0011] The utility model further sets up, and the quick -release mechanism includes rotary cover, unlocking cover, sliding slot and sliding rod, the rotary cover rotationally installs on the outer wall of quick -mounting cover, the unlocking cover is installed on the rotary cover top, the sliding slot is provided with a plurality of groups of distribution on the unlocking cover outside, the sliding rod is installed on a plurality of groups of clamping block bottom and slides in a plurality of groups of sliding slot, and the setting of rotary cover makes the user can complete the action of quick -release or locking through the rotation operation, and the unlocking cover and sliding slot can provide the defined path for sliding rod, guarantee the accuracy of sliding direction, thereby make the smooth operation of quick -release mechanism, and the cooperation of sliding rod and clamping block can stably keep clamping block in the specified position or quickly separate, thereby improve the efficiency of loading and unloading.

[0012] The utility model further sets up, and a plurality of sliding slots all are provided with certain radian, and the radian design on the sliding slot can guide the sliding of sliding rod along the curve, make quick -release mechanism more stable when unlocking or locking, avoid jam or sway, and simultaneously optimize the sliding path, reduce the precision loss due to abrasion, thereby prolong the service life.

[0013] The utility model further sets up, the cold header body is provided with oil injection mechanism, the oil injection mechanism includes liquid storage tank, water pump, delivery pipe, spray head and adjusting mechanism, the liquid storage tank is installed in the cold header body, the water pump is installed on the liquid storage tank, the delivery pipe is connected on the water pump through the adjusting mechanism, the spray head is installed in the delivery pipe top -end, the liquid storage tank is used for storing lubricating liquid or coolant, guarantees the stability of liquid supply, and the water pump provides power, and transports liquid from the liquid storage tank to the spray head, and the delivery pipe can be flexibly connected water pump and spray head, avoids liquid leakage, and the spray head can evenly spray lubricating liquid to the cold header key component, guarantees the sufficiency of lubrication or cooling.

[0014] The utility model further sets up, the adjusting mechanism includes connecting sleeve, adjusting pipe, connecting frame, screw rod, through flow pipe, through -hole and seal pipe, the connecting sleeve is installed on the water pump, the adjusting pipe rotationally connects delivery pipe and connecting sleeve, the connecting frame is installed in the adjusting pipe inner wall, the screw rod is installed on the connecting frame, the through flow pipe is installed in the connecting sleeve, the through -hole is provided with multiple groups distribution in the through flow pipe outer wall, the seal pipe is slidably installed in the through flow pipe and is connected with screw rod threadedly, and the connecting sleeve is used for the connection of firm adjusting pipe and water pump, prevents liquid leakage, and adjusting pipe can rotate and adjust liquid flow direction, and the connecting frame provides fixed position for screw rod, guarantees the adjusting precision, and the screw rod drives the seal pipe to slide through rotation, and then the number of through -hole opening or closing on the through flow pipe is controlled, so as to accurately adjust liquid flow.

[0015] The utility model further sets up, be equipped with the limiting rod in the connecting sleeve, the limiting rod is provided with multiple groups, the limiting sleeve is installed on the seal pipe, the limiting sleeve is slidably connected with multiple limiting rods, and the limiting rod provides sliding track for the seal pipe, avoids the deviation of seal pipe in the sliding process, and the setting of limiting sleeve makes the sliding of seal pipe more smooth, can prevent seal pipe from appearing loose or misplacement in operation simultaneously, so as to further improve the use reliability and accuracy of adjusting mechanism.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a multi-station cold header with oil fume extraction function, which has the following beneficial effects:

[0018] 1. The sealing mechanism has the beneficial effects that by setting the sealing gasket, the smoke hood, the mounting frame and the smoke exhaust pipe, effective sealing connection inside and outside the cold header body can be realized, the oil smoke from the inside of the body is avoided to escape, the cleanliness of the processing environment is effectively improved, the sealing gasket adopts a material with high temperature resistance and elasticity, the close fit of the sealing gasket with the smoke hood and the mounting frame is ensured, the sealing performance can be improved, the high temperature and vibration possibly generated in the cold heading process can be adapted, the smoke hood covers the upper space of the body, the oil smoke generated in the processing process can be effectively collected, the smoke exhaust pipe is connected with the external oil smoke machine, the oil smoke can be efficiently exhausted, the working environment is improved, and the health of the operator is protected.

[0019] 2. The quick mounting mechanism has the beneficial effects that by setting the positioning rod, the quick mounting sleeve, the clamping block, the clamping groove, the connecting rod, the mounting block and the quick release mechanism, the smoke hood can be quickly disassembled and mounted, the cleaning and maintenance efficiency is significantly improved, when disassembled, the unlocking sleeve and the sliding groove are rotated by rotating the rotating sleeve, the sliding rod is pushed to slide, the clamping block is separated from the clamping groove of the positioning rod, and the quick unlocking of the smoke hood is completed; when mounted, the elastic reset action of the tension spring is utilized to automatically clamp the clamping block and the clamping groove of the positioning rod, stable mounting is realized, the whole process does not need to use additional tools, the operation is convenient, the equipment maintenance time is shortened, and the continuity and reliability of the equipment operation are improved.

[0020] 3. The oil injection mechanism has the beneficial effects that by setting the liquid storage tank, the water pump, the conveying pipe, the spray head and the adjusting mechanism, the precise injection of the lubricating liquid or the cooling liquid can be realized, the lubrication and cooling requirements of the key components of the cold header are ensured, the adjusting mechanism can flexibly adjust the plugging number of the through hole of the through pipe through the thread cooperation of the screw rod and the sealing pipe, so that the flow rate and the injection flow of the liquid are controlled, the lubrication and cooling effects are more accurate, the injection angle can be adjusted according to different processing requirements, the key positions are ensured to be fully lubricated or cooled, the service life of the equipment is prolonged, and the maintenance frequency is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of a multi-station cold header with an oil smoke extraction function in the utility model;

[0022] Figure 2 It is an installation structure schematic view of an oil injection mechanism in the utility model;

[0023] Figure 3 It is a split structure schematic view of a sealing mechanism in the utility model;

[0024] Figure 4 It is a sectional structure schematic view of a quick mounting mechanism in the utility model;

[0025] Figure 5 It is a structure schematic view of an unlocking sleeve in the utility model;

[0026] Figure 6 It is the structure schematic view of oil injection mechanism in the utility model;

[0027] Figure 7 It is the sectional structure schematic view of adjusting mechanism in the utility model.

[0028] In the figure: 1, cold header body; 2, gasket; 3, smoke cover; 4, mounting frame; 5, smoke exhaust pipe; 6, positioning rod; 7, quick mounting sleeve; 8, clamping block; 9, clamping groove; 10, connecting rod; 11, mounting block; 12, tension spring; 13, rotating sleeve; 14, unlocking sleeve; 15, sliding groove; 16, sliding rod; 17, liquid storage tank; 18, water pump; 19, conveying pipe; 20, spray head; 21, connecting sleeve; 22, adjusting pipe; 23, connecting frame; 24, screw rod; 25, through-flow pipe; 26, through-hole; 27, sealing pipe; 28, limiting rod; 29, limiting sleeve. DETAILED DESCRIPTION

[0029] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] It should be noted that all technical and scientific terms used in the present application have the same meaning as that generally understood by ordinary skilled persons in the technical field to which the present application belongs, unless otherwise specified.

[0031] In the utility model, the directions such as "up, down" are generally directed to the directions shown in the drawings or the vertical, perpendicular or gravity directions, unless otherwise stated. Similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings, and "inner, outer" refers to the inner and outer relative to the contour of each component, but the above direction words are not used to limit the utility model.

[0032] Please refer to Figures 1-5 A multi-station cold header with oil fume extraction function, comprising a cold header body 1, a sealing mechanism is arranged on the cold header body 1, the sealing mechanism comprises a gasket 2, a smoke cover 3, a mounting frame 4 and a smoke exhaust pipe 5, the gasket 2 is installed on the cold header body 1, the smoke cover 3 is arranged on the gasket 2, the mounting frame 4 is installed on the outer side of the gasket 2, the smoke exhaust pipe 5 is installed on the top surface of the smoke cover 3 and is connected with the smoke inlet pipeline of an external oil fume extractor, a plurality of quick mounting mechanisms are arranged on the mounting frame 4, the quick mounting mechanism comprises a positioning rod 6, a quick mounting sleeve 7, a clamping block 8, a clamping groove 9, a connecting rod 10, a mounting block 11 and a quick dismounting mechanism, the positioning rod 6 is installed on the gasket 2, the quick mounting sleeve 7 is installed on the mounting frame 4, the clamping block 8 is arranged in a plurality of groups and slides in the inner wall of the quick mounting sleeve 7, the clamping groove 9 is arranged in a plurality of groups and is distributed on the outer wall of the positioning rod 6, the connecting rod 10 is installed on the outer side of the plurality of clamping blocks 8, and the mounting block 11 is installed on the outer end of the plurality of connecting rods 10.

[0033] The plurality of positioning rods 6 are arranged in a polygonal shape and are matched with the quick mounting sleeve 7.

[0034] The plurality of mounting blocks 11 are connected with the quick mounting sleeve 7, and a plurality of pull springs 12 are arranged between the mounting blocks 11 and the quick mounting sleeve 7.

[0035] The quick dismounting mechanism comprises a rotating sleeve 13, an unlocking sleeve 14, a plurality of sliding grooves 15 and a plurality of sliding rods 16. The rotating sleeve 13 is rotatably arranged on the outer wall of the quick mounting sleeve 7. The unlocking sleeve 14 is arranged on the top end of the rotating sleeve 13. The plurality of sliding grooves 15 are arranged on the outer side of the unlocking sleeve 14. The plurality of sliding rods 16 are arranged on the bottom surface of the plurality of clamping blocks 8 and slide in the plurality of sliding grooves 15.

[0036] The plurality of sliding grooves 15 are each arranged with a certain arc.

[0037] In the embodiment, the sealing gasket 2 is arranged on the surface of the cold header body 1 and is used to form a sealed connection with the smoke cover 3 and the mounting frame 4, so as to prevent the oil fume from escaping from the cold header body 1. The material of the sealing gasket 2 is usually selected to be a material with high temperature resistance and elasticity, so as to ensure that the sealing gasket 2 is tightly combined with the smoke cover 3. The smoke cover 3 is arranged above the sealing gasket 2 and covers the upper space of the cold header body 1, so as to collect the oil fume generated in the working process. The top end of the smoke cover 3 is connected with the smoke exhaust pipe 5. The smoke exhaust pipe 5 is connected with the external oil extractor through a pipeline, so as to guide the oil fume to the outside for treatment. When it is needed to dismount the smoke cover 3 to clean the inside, the rotating sleeve 13 is manually rotated. The rotating sleeve 13 drives the unlocking sleeve 14 to rotate. The unlocking sleeve 14 drives the sliding grooves 15 to rotate through the rotating sleeve 13, so as to drive the sliding rods 16 to slide to the corresponding positions. The sliding rods 16 arranged on the bottom surface of the mounting block 11 slide along the sliding grooves 15, drive the mounting block 11 and the connecting rod 10 to move outward and stretch the plurality of pull springs 12, and simultaneously drive the clamping blocks 8 to gradually slide outward, so that the clamping blocks 8 are separated from the clamping grooves 9 of the positioning rods 6, and the quick unlocking is completed. When the mounting is performed, the quick mounting sleeve 7 is inserted with the positioning rods 6. When the clamping groove 9 moves to the inner side of the clamping block 8, the rotating sleeve 13 is loosened, the sliding grooves 15 are released from the pushing of the sliding rods 16, the mounting blocks 11 are pulled back through the elastic reset of the plurality of pull springs 12, the clamping blocks 8 are pushed into the clamping grooves 9 through the connecting rod 10, the positioning rods 6 are clamped, and the quick mounting sleeve 7 is pushed to abut against the mounting frame 4, so that the mounting of the smoke cover 3 is completed.

[0038] Please refer to Figures 6-7 , as an embodiment of the oil injection mechanism: the cold header body 1 is provided with an oil injection mechanism. The oil injection mechanism comprises a liquid storage tank 17, a water pump 18, a conveying pipe 19, a spray head 20 and an adjusting mechanism. The liquid storage tank 17 is arranged in the cold header body 1. The water pump 18 is arranged on the liquid storage tank 17. The conveying pipe 19 is connected with the water pump 18 through the adjusting mechanism. The spray head 20 is arranged on the top end of the conveying pipe 19.

[0039] The adjusting mechanism comprises a connecting sleeve 21, an adjusting pipe 22, a connecting frame 23, a screw rod 24, a through-flow pipe 25, a through-hole 26 and a sealing pipe 27, the connecting sleeve 21 is installed on the water pump 18, the adjusting pipe 22 is rotationally connected with the conveying pipe 19 and the connecting sleeve 21, the connecting frame 23 is installed on the inner wall of the adjusting pipe 22, the screw rod 24 is installed on the connecting frame 23, the through-flow pipe 25 is installed in the connecting sleeve 21, the through-hole 26 is provided with a plurality of groups distributed on the outer wall of the through-flow pipe 25, and the sealing pipe 27 is slidingly installed in the through-flow pipe 25 and is threadedly connected with the screw rod 24.

[0040] The connecting sleeve 21 is provided with a plurality of limiting rods 28, the sealing pipe 27 is provided with a limiting sleeve 29, and the limiting sleeve 29 is slidingly connected with the plurality of limiting rods 28.

[0041] More specifically, the lubricating liquid or cooling liquid is stored in the liquid storage tank 17, the liquid is conveyed to the spray head 20 through the conveying pipe 19 by the water pump 18, the liquid storage tank 17 is installed in the cold heading machine body 1, so that the liquid storage tank 17 is convenient to store and maintain, after the liquid is conveyed to the spray head 20 through the conveying pipe 19, the spray head 20 sprays the liquid to the parts needing lubrication or cooling according to the working requirement of the cold heading machine, the spray angle and flow can be finely adjusted through the adjusting mechanism, so that the lubrication effect is ensured, when it is needed to adjust the spray flow, the adjusting sleeve is rotated to drive the screw rod 24 to rotate through the connecting frame 23, the screw rod 24 is threadedly matched with the sealing pipe 27, so that the sealing pipe 27 is stably slid along the limiting rod 28 through the limiting sleeve 29, meanwhile, the number of the through-holes 26 on the through-flow pipe 25 blocked by the sealing pipe 27 changes, the smaller the number of the through-holes 26 blocked by the sealing pipe 27 is, the larger the flow space of the water flow in the through-flow pipe 25 is, and the faster the flow speed is, and vice versa.

[0042] In summary, the overall device is in use or operation: sealing pad 2 is installed on the surface of the cold header body 1, used to form a sealed connection between the fume hood 3, mounting frame 4, prevent oil smoke from the cold header body 1 escape, sealing pad 2 material is usually selected to withstand high temperature and elastic material, ensure that the fume hood 3 fit closely, fume hood 3 is installed above the sealing pad 2, covering the upper space of the cold header body 1, used to collect the oil smoke generated during the work process, the top of the fume hood 3 is connected with the exhaust pipe 5, the exhaust pipe 5 is connected with the external oil smoke machine through the pipeline, the oil smoke is guided to the outside for treatment, when the fume hood 3 needs to be removed for internal cleaning, manually rotate the rotating sleeve 13, the rotating sleeve 13 drives the unlocking sleeve 14 to rotate, the unlocking sleeve 14 drives the sliding groove 15 to rotate through the rotating sleeve 13, so as to push the sliding rod 16 to slide to the corresponding position, so that the sliding rod 16 arranged on the bottom surface of the mounting block 11 slides along the sliding groove 15, drives the mounting block 11 and the connecting rod 10 to move outward and stretch the plurality of tension springs 12, at the same time, drives the clamping block 8 to gradually slide outward, so that the clamping block 8 is separated from the clamping groove 9 of the positioning rod 6, and the quick unlocking is completed. When installing, the quick mounting sleeve 7 is inserted with the positioning rod 6, when the clamping groove 9 moves to the inside of the clamping block 8, loosen the rotating sleeve 13, remove the pushing of the sliding groove 15 to the sliding rod 16, reset the mounting block 11 through the elasticity of the plurality of tension springs 12, push the clamping block 8 to be clamped in the clamping groove 9 through the connecting rod 10, and clamp the positioning rod 6, so as to push the bottom surface of the quick mounting sleeve 7 to abut against the mounting frame 4, complete the installation of the fume hood 3.

[0043] The lubricating liquid or cooling liquid is stored in the liquid storage tank 17, and the water pump 18 provides power to deliver the liquid to the spray head 20 through the delivery pipe 19. The liquid storage tank 17 is installed in the cold header body 1, which is convenient for storage and maintenance. After the liquid is delivered to the spray head 20 through the delivery pipe 19, the spray head 20 sprays the liquid to the position needing lubrication or cooling according to the working requirement of the cold header. The spray angle and flow can be adjusted through the adjusting mechanism to ensure the lubrication effect. When the spray flow needs to be adjusted, the adjusting sleeve is rotated to drive the screw rod 24 to rotate through the connecting frame 23. The screw rod 24 is screwed with the sealing pipe 27, so as to drive the sealing pipe 27 to stably slide along the limiting rod 28 through the limiting sleeve 29. At the same time, the number of the sealing pipe 27 blocking the through hole 26 on the through flow pipe 25 changes. The smaller the number of the sealing pipe 27, the larger the flow space of the water flow in the through flow pipe 25, and the faster the flow speed. Conversely, the larger the number of the sealing pipe 27, the smaller the flow space of the water flow in the through flow pipe 25, and the slower the flow speed.

[0044] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-station cold header with a smoke extraction function, comprising a cold header body (1), characterized in that: The sealing mechanism is arranged on the cold header body (1), and comprises a sealing gasket (2), a smoke hood (3), a mounting frame (4) and a smoke exhaust pipe (5). The sealing gasket (2) is mounted on the cold header body (1), the smoke hood (3) is arranged on the sealing gasket (2), the mounting frame (4) is mounted on the outer side of the sealing gasket (2), and the smoke exhaust pipe (5) is mounted on the top surface of the smoke hood (3) and connected with the smoke inlet pipeline of an external oil extractor. A plurality of quick mounting mechanisms are arranged on the mounting frame (4). The quick mounting mechanism comprises a positioning rod (6), a quick mounting sleeve (7), a clamping block (8), a clamping groove (9), a connecting rod (10), a mounting block (11) and a quick release mechanism. The positioning rod (6) is mounted on the sealing gasket (2), the quick mounting sleeve (7) is mounted on the mounting frame (4), the clamping block (8) is arranged in a plurality of groups and slidably arranged on the inner wall of the quick mounting sleeve (7), the clamping groove (9) is arranged in a plurality of groups and distributed on the outer wall of the positioning rod (6), the connecting rod (10) is arranged in a plurality of groups and arranged on the outer side of the clamping block (8), and the mounting block (11) is arranged in a plurality of groups and arranged on the outer end of the connecting rod (10).

2. A multi-station cold header with a smoke extraction function according to claim 1, characterized in that the plurality of groups The positioning rod (6) is polygonal and matched with the quick mounting sleeve (7).

3. The multi-station cold header with a smoke extraction function according to claim 2, characterized in that the plurality of groups A pull spring (12) is arranged between the mounting block (11) and the quick mounting sleeve (7), and the pull spring (12) is arranged in a plurality of groups.

4. The multi-station cold header with a smoke extraction function according to claim 3, characterized in that: The quick release mechanism comprises a rotating sleeve (13), an unlocking sleeve (14), a sliding groove (15) and a sliding rod (16). The rotating sleeve (13) is rotatably mounted on the outer wall of the quick mounting sleeve (7), the unlocking sleeve (14) is mounted on the top end of the rotating sleeve (13), the sliding groove (15) is arranged in a plurality of groups and distributed on the outer side of the unlocking sleeve (14), and the sliding rod (16) is mounted on the bottom surface of the clamping block (8) and slidably arranged in the sliding groove (15).

5. A multi-station cold header with a smoke extraction function according to claim 4, characterized in that: Each of the sliding grooves (15) is provided with a certain arc.

6. The multi-station cold header with a smoke extraction function according to claim 5, characterized in that: An oil injection mechanism is arranged in the cold header body (1), and the oil injection mechanism comprises a liquid storage tank (17), a water pump (18), a conveying pipe (19), a spray head (20) and an adjusting mechanism. The liquid storage tank (17) is mounted in the cold header body (1), the water pump (18) is mounted on the liquid storage tank (17), the conveying pipe (19) is connected to the water pump (18) through the adjusting mechanism, and the spray head (20) is mounted on the top end of the conveying pipe (19).

7. A multi-station cold header with a function of extracting oil fume according to claim 6, characterized in that: The adjusting mechanism comprises a connecting sleeve (21), an adjusting pipe (22), a connecting frame (23), a screw rod (24), a flow-through pipe (25), a through hole (26) and a sealing pipe (27). The connecting sleeve (21) is mounted on the water pump (18), the adjusting pipe (22) is rotatably connected to the conveying pipe (19) and the connecting sleeve (21), the connecting frame (23) is mounted on the inner wall of the adjusting pipe (22), the screw rod (24) is mounted on the connecting frame (23), the flow-through pipe (25) is mounted in the connecting sleeve (21), the through hole (26) is arranged in a plurality of groups and distributed on the outer wall of the flow-through pipe (25), and the sealing pipe (27) is slidably mounted in the flow-through pipe (25) and threadedly connected with the screw rod (24).

8. The multi-station cold header with a smoke extraction function according to claim 7, characterized in that: The connecting sleeve (21) is internally provided with a plurality of limiting rods (28), the limiting rods (28) are provided with a plurality of groups, the sealing pipe (27) is internally provided with a limiting sleeve (29), and the limiting sleeve (29) is in sliding connection with the plurality of limiting rods (28).

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