阅读说明：本技术 一种金属传动带的生产系统及加工方法 (Production system and processing method of metal transmission belt ) 是由 权明勇 于 2021-07-22 设计创作，主要内容包括：本申请涉及一种金属传动带的生产系统及加工方法,将冲压形成的金属圆片叠放在一起,并将叠好的金属圆片放置到支撑环上,上模向下运动将叠好的金属圆片冲压成套接在一起的金属筒,通过对金属筒进行切割形成若干套接在一起的金属环,通过对金属环进行拉伸最终形成所需要的传动带。本申请生产的传动带没有明显节点,增加传动带传动的稳定性。(The application relates to a production system and a processing method of a metal transmission belt, wherein metal wafers formed by stamping are stacked together, the stacked metal wafers are placed on a support ring, an upper die moves downwards to stamp the stacked metal wafers into metal cylinders which are sleeved together, a plurality of metal rings which are sleeved together are formed by cutting the metal cylinders, and the required transmission belt is finally formed by stretching the metal rings. The drive belt of this application production does not have obvious node, increases drive belt transmission's stability.)

1. A system for producing a metal transmission belt, characterized in that: the metal ring drawing device comprises a hydraulic press for punching metal wafers (1) into a metal cylinder (7), a cutting device for cutting the metal cylinder (7) into a metal ring (40) and a drawing device for drawing the metal ring (40), wherein the hydraulic press comprises a hydraulic press body (2), a workbench (3) connected onto the hydraulic press body (2) and a punch (4) arranged on the hydraulic press body (2), a lower die (6) is arranged on the upper surface of the workbench (3), and an upper die (5) which is matched with the lower die (6) and used for punching the metal wafers (1) into the metal cylinder (7) is arranged on the punch (4).

2. The system for producing a metal transmission belt according to claim 1, wherein: the upper die (5) is a female die, the lower die (6) is a male die, a supporting component for placing a metal wafer (1) is arranged on the workbench (3), the supporting component comprises a limiting cylinder (8) which is fixed on the upper surface of the workbench (3) and can be attached to the outer wall of the upper die (5), a limiting ring (9) which is coaxial with the limiting cylinder (8) is fixed on the inner wall of the limiting cylinder (8), the limiting ring (9) is positioned at the bottom of the limiting cylinder (8), a support ring (10) which is coaxial with the lower die (6) and is used for supporting the metal wafer (1) is connected onto the limiting ring (9), the lower die (6) is arranged in the limiting ring (9) and the support ring (10) in a penetrating manner, a plurality of vertically arranged positioning cylinders (11) are fixed in the limiting ring (9), positioning rods (12) and positioning springs (13) for pushing the positioning rods (12) to move upwards are arranged in the positioning cylinders (11), the lower end face of the support ring (10) is fixed on the upper end face of the positioning rod (12).

3. The system for producing a metal transmission belt according to claim 2, wherein: the lower end of the positioning rod (12) is fixedly provided with a piston (14) which is abutted against the inner wall of the positioning cylinder (11), the lower end face of the positioning cylinder (11) is provided with a vent hole (15), the lower end face of the positioning cylinder (11) is fixedly provided with an exhaust cylinder (16) communicated with the positioning cylinder (11), an exhaust ring (17) is fixedly arranged in the exhaust cylinder (16), and an exhaust ball (18) which is abutted against the lower end face of the exhaust ring (17) and an exhaust spring (20) which pushes the exhaust ball (18) to be abutted against the exhaust ring (17) and closes the opening of the exhaust ring (17) are fixedly arranged in the exhaust cylinder (16).

4. The system for producing a metal transmission belt according to claim 1, wherein: the cutting device comprises a mounting table (21), a mounting column (22) which is vertically arranged is fixed on the mounting table (21), a horizontal positioning column (23) which is arranged inside a metal tube (7) in a penetrating mode is connected to the mounting column (22), a rotating motor (24) which drives the positioning column (23) to rotate is fixed on the mounting column (22), a sliding column (25) which is vertically arranged is fixed on the mounting table (21), a butting column (29) which is coaxial with the positioning column (23) and is butted against the end face of the metal tube (7) is rotatably connected to the sliding column (25), the cutting device further comprises a mounting frame (31) which is fixed on the mounting table (21), a cutting machine (38) which cuts the metal tube (7) is connected to the mounting frame (31), and the axis of the cutting machine (38) is parallel to the axis of the metal tube (7), the mounting frame (31) is provided with a driving lead screw (35) parallel to the axis of the positioning column (23), the mounting frame (31) is fixed with a driving motor (36) for driving the driving lead screw (35) to rotate, the cutting machine (38) is fixed with a driving block (37), the driving lead screw (35) penetrates through the driving block (37) and is in threaded connection with the driving block (37), and the outer wall of the positioning column (23) is circumferentially provided with a plurality of walking grooves (39) which surround the positioning column (23) and prevent the cutting machine (38) from acting on the positioning column (23).

5. The system for producing a metal transmission belt according to claim 1, wherein: the stretching device comprises a fixed table (41), a fixed block (42) which is vertically arranged is fixed on the upper surface of the fixed table (41), a fixed column (43) which is horizontally arranged is fixed on the fixed block (42), a fixed plate (44) which is vertically arranged is fixed on the upper surface of the fixed table (41), the fixed column (43) is perpendicular to the fixed plate (44), a rotating disc (45) and a stretching motor (46) which drives the rotating disc (45) to rotate are rotatably connected to the fixed plate (44), a stretching rod (47) which is parallel to the fixed column (43) is arranged on the rotating disc (45), the stretching rod (47) and the fixed column (43) are arranged in a staggered mode in the vertical direction, a metal ring (40) is sleeved on the fixed column (43) and the stretching rod (47), and a rolling bearing (48) is fixed on the fixed column (43) and the stretching rod (47), the utility model discloses a quick-witted sliding mechanism, including antifriction bearing (48) outer wall, rolling disc (45) and mounting groove (50), rolling bearing (48) outer wall sets up butt groove (49) that are used for joint becket (40), mounting groove (50) have radially been seted up in rolling disc (45), radially be provided with in mounting groove (50) and slide lead screw (51) and drive slide lead screw (51) pivoted motor (52) that slides, threaded connection has sliding block (53) on the slide lead screw (51), tensile pole (47) end fixing on sliding block (53).

6. A method of manufacturing a metal transmission belt according to any one of claims 1 to 5, characterized by comprising the steps of:

step S1, selecting a proper metal sheet, punching the metal sheet into a metal wafer (1) with a specified specification, and coating drawing oil on the metal wafer (1);

step S2, placing the metal wafer (1) on a support ring (10), driving an upper die (5) to reciprocate in the vertical direction by a punch (4), gradually increasing the distance of downward movement each time, and enabling the upper die (5) and a lower die (6) to jointly act on the metal wafer (1) until the metal wafer (1) forms a metal cylinder (7);

step S3, sleeving a metal tube (7) on an installation column (22), enabling a butting column (29) to be butted against the bottom of the metal tube (7) under the action of a driving cylinder (28), driving the installation column (22) and the metal tube (7) to rotate by a rotating motor (24), driving a driving lead screw (35) to rotate by a driving motor (36), enabling a cutting machine (38) to move to a specified position, acting on the cutting machine (38) to cut the metal tube (7), and enabling the metal tube (7) to be cut into a plurality of metal rings (40);

step S4, sleeving the metal ring (40) in the abutting grooves (49) of the two rolling bearings (48), driving the rotating disc (45) to rotate by the stretching motor (46), driving the sliding screw rod (51) to rotate by the sliding motor (52) in the rotating process of the rotating disc (45), so that the stretching rod (47) moves along the radial direction, the caliber of the metal ring (40) is increased, and a standby ring is formed;

step S5, taking off the spare ring and sleeving a new metal ring (40), and repeating the step S4 to form a plurality of spare rings with different calibers;

step S6, a plurality of spare rings are sleeved together, the sleeved spare rings are sleeved in abutting grooves (49) of two rolling bearings (48), a stretching motor (46) drives a rotating disc (45) to rotate, a sliding motor (52) drives a sliding screw rod (51) to rotate in the rotating process of the rotating disc (45), so that a stretching rod (47) moves along the radial direction, and the spare rings form a plurality of sleeved driving belts (54);

in step S7, the surface of the belt (54) is formed into projections and recesses that interfit with adjacent belts (54) by pressing the belts (54) with sharp objects.

7. A method of manufacturing a metal transmission belt according to any one of claims 1 to 5, characterized by comprising the steps of:

step S1, selecting a proper metal sheet, punching the metal sheet into a metal wafer (1) with a specified specification, and coating drawing oil on the metal wafer (1);

step S2, a certain number of metal wafers (1) are stacked together, the stacked metal wafers (1) are placed on a support ring (10), a punch (4) drives an upper die (5) to reciprocate in the vertical direction, and the downward movement distance of each time is gradually increased until all the metal wafers (1) form metal cylinders (7) which are sleeved together;

s3, sleeving the sleeved metal cylinders (7) on the mounting columns (22), enabling the abutting columns (29) to abut against the bottoms of the metal cylinders (7) under the action of the driving air cylinders (28), driving the mounting columns (22) and the metal cylinders (7) to rotate by the rotating motor (24), driving the driving screw rods (35) to rotate by the driving motor (36), enabling the cutting machine (38) to move to a specified position, acting on the cutting machine (38) to cut the metal cylinders (7), and enabling the metal cylinders (7) to be cut to form a plurality of sleeved metal rings (40);

s4, taking down a plurality of metal rings (40) which are sleeved together and sleeved in the abutting grooves (49) of two rolling bearings (48), driving a rotating disc (45) to rotate by a stretching motor (46), driving a sliding screw rod (51) to rotate by a sliding motor (52) in the rotating process of the rotating disc (45), so that a stretching rod (47) moves along the radial direction, and stretching the plurality of metal rings (40) which are sleeved together into a required transmission belt (54);

in step S5, the surface of the belt (54) is formed into projections and recesses that interfit with adjacent belts (54) by pressing the belts (54) with sharp objects.

8. The method of manufacturing a metal transmission belt according to claim 7, wherein: and step S2, placing fine wires or sand grains between two adjacent metal wafers (1) to form mutually matched bulges and grooves on the surface of the metal cylinder (7), and taking out the fine wires or the metal grains after the metal cylinder (7) is formed.

9. A method of manufacturing a metal transmission belt according to any one of claims 7 or 8, wherein: the formed plurality of driving belts (54) which are sleeved together are provided with a plurality of through holes (55) from inside to outside.

Technical Field

The application relates to the field of stretching equipment, in particular to a production system and a processing method of a metal transmission belt.

Background

The steel strip, also known as strip steel, is generally supplied in coils and has the advantages of high dimensional accuracy, good surface quality, convenience in processing and the like. The steel belt is also one kind of drive belt simultaneously, and the most common drive belt is mainly made through rubber in daily life, but the drive belt can sharply rise at the in-process temperature of work, and the temperature rise can seriously shorten the life of the drive belt of rubber material, therefore, the steel belt has extensive application as the drive belt in daily life.

In the related art, the metal transmission belt is mainly characterized in that a coiled steel belt is cut into long-strip unit steel belts in the production process, the head and the tail of each unit steel belt are welded to form a required ring-shaped steel belt, and a plurality of ring-shaped steel belts are usually sleeved together to ensure the strength and the service life of the metal transmission belt, so that the metal transmission belt is formed.

In view of the above-mentioned related technologies, the inventor believes that the metal transmission belt is mainly formed by end-to-end welding of unit steel strips, and the like, and the thickness of a node at a welding position is different from the thickness of other positions of the unit steel strips, which is not beneficial to the transmission of the metal transmission belt.

Disclosure of Invention

In order to reduce the defect that the thickness of the joint of the metal transmission belt is different relative to other positions, the application provides a production system and a processing method of the metal transmission belt.

In a first aspect, the present application provides a production system for a metal transmission belt, which adopts the following technical scheme:

a production system of a metal transmission belt comprises a hydraulic press for punching metal wafers into a metal cylinder, a cutting device for cutting the metal cylinder into metal rings and a stretching device for stretching the metal rings, wherein the hydraulic press comprises a hydraulic press body, a workbench connected to the hydraulic press body and a punch arranged on the hydraulic press body, a lower die is arranged on the upper surface of the workbench, and an upper die which is matched with the lower die and used for punching the metal wafers into the metal cylinders is arranged on the punch.

By adopting the technical scheme, the metal wafer is placed on the hydraulic press and acts on the hydraulic press, so that the metal wafer is deformed, the metal cylinder with one open end and one closed end is formed by stamping, the formed metal cylinder is radially cut by the cutting device to form a plurality of metal rings, the metal rings are deformed by the action of the stretching device to finally form the transmission belt, and in the production process, the transmission belt has no obvious joint, so that the moving stability of the transmission belt is improved.

Optionally, the upper die is a female die, the lower die is a male die, a supporting component for placing a metal wafer is arranged on the workbench, the supporting component comprises a fixed limiting barrel, the upper surface and the inner wall of the workbench can be attached to the outer wall of the upper die, a limiting ring coaxial with the limiting barrel is fixed to the inner wall of the limiting barrel, the limiting ring is located at the bottom of the limiting barrel, a supporting ring coaxial with the lower die and used for supporting the metal wafer is connected to the limiting ring, the lower die is arranged in the limiting ring and the supporting ring in a penetrating mode, a plurality of positioning barrels vertically arranged are fixed to the limiting ring in a fixing mode, positioning rods and pushing springs for upwards moving the positioning rods are arranged in the positioning barrels, and the end faces of the lower end faces of the supporting rings are fixed to the upper end faces of the positioning rods.

Through adopting above-mentioned technical scheme, place the support ring with the metal disk on, the hydraulic press body drives and goes up mould downstream, goes up the mould butt and to the metal disk on, goes up the interior motion of mould orientation spacing section of thick bamboo, goes up the in-process of mould downstream, and the metal disk produces deformation, and the metal disk enters into inside going up the mould under the effect of lower mould to under the combined action of last mould and lower mould, form the metal cylinder, so that later stage cutting.

Optionally, a piston abutting against the inner wall of the positioning cylinder is fixed at the lower end of the positioning rod, a vent hole is formed in the lower end face of the positioning cylinder, an exhaust cylinder communicated with the positioning cylinder is fixed on the lower end face of the positioning cylinder, an exhaust ring is fixed in the exhaust cylinder, and an exhaust ball abutting against the lower end face of the exhaust ring and an exhaust spring pushing the exhaust ball to abut against the exhaust ring and closing an opening of the exhaust ring are fixed in the exhaust cylinder.

By adopting the technical scheme, in order to reduce the possibility of damage of the metal wafer, the hydraulic press body generally needs to make the upper die perform reciprocating motion relative to the lower die in the process of extruding the metal wafer, when the upper die moves upwards, the support ring and the metal wafer are pushed to move upwards under the action of the positioning spring, when the positioning spring pushes the positioning rod to move upwards, the exhaust spring pushes the exhaust ball to abut against the exhaust ring, air slowly enters the positioning barrel from the air vent, the support ring slowly moves upwards to play a certain buffering role, and the possibility that the metal wafer jumps under the action of inertia to separate from the support ring when the positioning spring extends to the longest state is reduced.

Optionally, the cutting device includes an installation table, a vertically arranged installation column is fixed on the installation table, the installation column is connected with a positioning column which is horizontally arranged and penetrates through the inside of the metal cylinder, a rotating motor for driving the positioning column to rotate is fixed on the installation column, a vertically arranged sliding column is fixed on the installation table, the sliding column is rotatably connected with a butting column which is coaxial with the positioning column and is butted on the end surface of the metal cylinder, the cutting device further includes a mounting frame fixed on the installation table, a cutting machine for cutting the metal cylinder is connected on the mounting frame, the axis of a cutting knife of the cutting machine is parallel to the axis of the metal cylinder, a driving screw which is parallel to the axis of the positioning column is arranged on the mounting frame, a driving motor for driving the driving screw to rotate is fixed on the mounting frame, and a driving block is fixed on the cutting machine, the driving screw penetrates through the driving block and is in threaded connection with the driving block, and a plurality of cutter grooves which surround the positioning column and prevent the cutting machine from acting on the positioning column are formed in the outer wall of the positioning column along the circumferential direction.

Through adopting above-mentioned technical scheme, on the reference column is cup jointed to the metal cylinder, act on and drive actuating cylinder, make and drive actuating cylinder and drive the direction motion of post towards being close to the reference column of sliding, butt post butt is on the terminal surface of metal cylinder bottom, it drives the reference column to rotate the motor, metal cylinder and butt post rotate, act on the drive lead screw, make the drive lead screw drive the cutting machine and move and appoint to the position, act on the cutting machine, make the cutting machine cut to the metal cylinder, the cutting machine is at the in-process of cutting, the cutting edge of cutting machine stretches into in the sword groove of walking, reduce the possibility of damaging the reference column.

Optionally, the stretching device includes a fixed table, a vertically disposed fixed block is fixed on an upper surface of the fixed table, a horizontally disposed fixed column is fixed on the fixed block, a vertically disposed fixed plate is fixed on an upper surface of the fixed table, the fixed column is perpendicular to the fixed plate, a rotating disc and a stretching motor for driving the rotating disc to rotate are rotatably connected to the fixed plate, a stretching rod parallel to the fixed column is disposed on the rotating disc, the stretching rod and the fixed column are arranged in a staggered manner in a vertical direction, a metal ring is sleeved on the fixed column and the stretching rod, a rolling bearing is fixed on the fixed column and the stretching rod, an abutting groove for clamping the metal ring is formed in an outer wall of the rolling bearing, an installation groove is formed in the rotating disc in a radial direction, and a sliding screw and a sliding motor for driving the sliding screw to rotate are radially disposed in the installation groove, the sliding screw rod is connected with a sliding block in a threaded mode, and the end portion of the stretching rod is fixed to the sliding block.

Through adopting above-mentioned technical scheme, cup joint the metal ring on fixed column and tensile pole, make the metal ring joint in two antifriction bearing's joint inslot, tensile motor starts, drives tensile pole round fixed column along circumferential direction, tensile pole is at the pivoted in-process, the motor that slides drives the lead screw that slides and rotates, the lead screw that slides drives sliding block and fixes tensile pole on the sliding block along rolling disc radial motion, makes tensile pole towards keeping away from rolling disc axis direction motion to draw the metal ring into required drive belt.

In a second aspect, the present application provides a method for processing a metal transmission belt, which adopts the following technical scheme, and includes the following steps:

s1, selecting a proper metal sheet, punching the metal sheet into a metal wafer with a specified specification, and coating drawing oil on the metal wafer;

step S2, placing the metal wafer on a support ring, driving an upper die to reciprocate in the vertical direction by a punch, gradually increasing the distance of downward movement each time, and enabling the upper die and a lower die to jointly act on the metal wafer until the metal wafer forms a metal cylinder;

step S3, sleeving the metal cylinder on the mounting column, enabling the abutting column to abut against the bottom of the metal cylinder under the action of the driving cylinder, rotating the motor to drive the mounting column and the metal cylinder to rotate, driving the motor to drive the driving lead screw to rotate, enabling the cutting machine to move to a specified position, acting on the cutting machine to cut the metal cylinder, and enabling the metal cylinder to be cut into a plurality of metal rings;

step S4, the metal ring is sleeved in the abutting grooves of the two rolling bearings, the stretching motor drives the rotating disc to rotate, and the sliding motor drives the sliding lead screw to rotate in the rotating process of the rotating disc, so that the stretching rod moves along the radial direction, the aperture of the metal ring is increased, and a standby ring is formed;

step S5, taking off the spare ring and sleeving a new metal ring, and repeating the step S4 to form a plurality of spare rings with different calibers;

step S6, a plurality of spare rings are sleeved together, the sleeved spare rings are sleeved in the abutting grooves of the two rolling bearings, the stretching motor drives the rotating disc to rotate, the sliding motor drives the sliding screw rod to rotate in the rotating process of the rotating disc, so that the stretching rod moves along the radial direction, and the spare rings form a plurality of transmission belts sleeved together;

step S7 is to form projections and recesses on the belt surface that mate with adjacent belts by pressing the belts with a sharp object.

By adopting the technical scheme, in order to reduce the possibility of fracture of the transmission belt in the working process, a plurality of transmission belts are usually sleeved together, a metal cylinder with an opening at one end and a closed end is formed by punching a metal wafer, the edge of the metal cylinder is cut to form a metal ring, the metal ring is stretched, then a plurality of metal rings with different sizes are sleeved together and stretched to obtain a plurality of transmission belts which are sleeved together and meet the specification; different metal rings are stretched into standby rings with different sizes, and then the standby rings are sleeved and stretched together.

In a third aspect, the application provides a method for processing a metal transmission belt, which adopts the following technical scheme and comprises the following steps:

s1, selecting a proper metal sheet, and punching the metal sheet into a metal wafer with a specified specification;

step S2, a certain number of metal wafers are stacked together and placed on a support ring, and an upper die is driven to act on the metal wafers under the action of a punch belt to form a metal cylinder which is sleeved together and has an opening at one end;

step S3, sleeving the sleeved metal cylinders on the mounting columns, enabling the abutting columns to abut against the bottoms of the metal cylinders under the action of the driving air cylinders, rotating the motor to drive the mounting columns and the metal cylinders to rotate, driving the motor to drive the driving lead screw to rotate, enabling the cutting machine to move to a specified position, acting on the cutting machine to cut the metal cylinders, and enabling the metal cylinders to be cut to form a plurality of sleeved metal rings;

and step S4, taking down the metal rings which are sleeved together and sleeving the metal rings in the abutting grooves of the two rolling bearings, driving a rotating disc to rotate by a stretching motor, driving a sliding lead screw to rotate by a sliding motor in the rotating process of the rotating disc, so that a stretching rod moves along the radial direction, and stretching the metal rings which are sleeved together into a required transmission belt.

Through adopting above-mentioned technical scheme, in order to reduce the cracked possibility of drive belt appearance in the course of the work, can cup joint a plurality of drive belts together usually, make the driven inner wall that is located the outside and the outer wall laminating that is located inboard drive belt, the drive belt that cup joints together has improved the holistic intensity of drive belt, with the metal disk stack together and form one end opening one end through the punching press and seal and a plurality of metal section of thick bamboo that cup joint together, the rethread is along cutting the metal section of thick bamboo, form a plurality of becket metal ring that cup joint together, stretch the becket, obtain a plurality of drive belts that cup joint together and accord with the specification, can once only obtain required drive belt through above-mentioned step under the comparison.

Optionally, in step S2, fine wires or sand grains are placed between two adjacent metal discs to form the mutually matching protrusions and grooves on the surface of the metal cylinder, and the fine wires or metal grains are taken out after the metal cylinder is formed.

By adopting the technical scheme, fine sand or fine wires are placed between the two adjacent metal circular sheets, so that the protrusions and the grooves which are matched with each other are formed in the stamping process, on one hand, the protrusions and the grooves can be used for increasing the friction force between the protrusions and reducing the possibility of slippage, and on the other hand, the grooves and the protrusions are matched with each other to reduce the possibility of dislocation of the two adjacent transmission belts.

Optionally, a plurality of through holes are formed in the formed plurality of drive belts which are sleeved together from inside to outside.

By adopting the technical scheme, the through holes are formed from the inner side of the transmission belt to the outer side, the transmission belt can generate outward deformation in the process of forming the through holes, the possibility of dislocation of the two adjacent transmission belts is reduced, if the through holes are formed from the outer side to the inner side, due to the deformation, in order to ensure the smoothness of the inner transmission belt, the transmission belt on the inner side needs to be additionally polished, and the processing steps are increased; meanwhile, the through holes are arranged, so that heat dissipation of the transmission belt is facilitated, and damage to the transmission belt caused by overhigh temperature in the working process of the transmission belt is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

the metal wafers are overlapped together and punched into a plurality of metal cylinders which are sleeved together, the edges of the metal cylinders are cut to form a plurality of metal rings which are sleeved together, and the metal rings are stretched to obtain a plurality of transmission belts which are sleeved together and meet the specification;

fine sand or fine wires are placed between the two adjacent metal circular sheets, so that in the stamping process, protrusions and grooves which are matched with each other are formed, and the possibility of dislocation of the two adjacent transmission belts is reduced.

Drawings

Figure 1 is a schematic structural view of a hydraulic machine in the present application.

Fig. 2 is an internal structure schematic diagram of the limiting cylinder in the application.

Fig. 3 is a schematic view of a connection structure of the positioning cylinder and the positioning rod in the present application.

Fig. 4 is a schematic view of the internal structure of the exhaust funnel of the present application.

Fig. 5 is a schematic structural diagram of a cutting device in the present application.

Fig. 6 is a schematic structural view of a stretching apparatus in the present application.

Fig. 7 is a schematic view of the structure of the rotary disk in the present application.

Figure 8 is a schematic representation of the construction of a drive belt produced by an alternative method of manufacture in the present application.

Description of reference numerals: 1. a metal wafer; 2. a hydraulic press body; 3. a work table; 4. a punch; 5. an upper die; 6. a lower die; 7. a metal cylinder; 8. a limiting cylinder; 9. a limiting ring; 10. a support ring; 11. a positioning cylinder; 12. positioning a rod; 13. a positioning spring; 14. a piston; 15. a vent hole; 16. an exhaust funnel; 17. an exhaust ring; 18. an air discharge ball; 19. a support; 20. an exhaust spring; 21. an installation table; 22. mounting a column; 23. a positioning column; 24. rotating the motor; 25. sliding the column; 26. a sliding groove; 27. a sliding block; 28. a driving cylinder; 29. a butting post; 30. connecting a bearing; 31. a mounting frame; 32. a vertical rod; 33. a cross bar; 34. a drive slot; 35. driving a lead screw; 36. a drive motor; 37. a drive block; 38. a cutter; 39. a chute; 40. a metal ring; 41. a fixed table; 42. a fixed block; 43. fixing a column; 44. a fixing plate; 45. rotating the disc; 46. a stretching motor; 47. a stretch rod; 48. a rolling bearing; 49. a butt joint groove; 50. mounting grooves; 51. sliding the lead screw; 52. a slip motor; 53. a slider; 54. a transmission belt; 55. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a production system of a metal transmission belt, which comprises a hydraulic press for stamping a metal wafer 1 into a metal cylinder 7, a cutting device for cutting the metal cylinder 7 into a plurality of metal rings 40 along the radial direction, and a stretching device for stretching the metal rings 40 into the transmission belt 54.

Referring to fig. 1 and 2, the hydraulic machine includes a hydraulic machine body 2 fixed on the ground, a table 3 connected to the hydraulic machine body 2 and used for placing a workpiece, and a punch 4 connected to the hydraulic machine body 2 and movable in a vertical direction. The upper surface of the workbench 3 is fixedly provided with a lower die 6 through bolts, the punch 4 is fixedly provided with an upper die 5 through bolts and other forms, the upper die 5 is a female die with an internal cylindrical groove, the lower die 6 is cylindrical and is a male die, the metal wafer 1 is placed on the lower end surface of the lower die 6, the punch 4 drives the upper die 5 downwards, the lower die 6 and the metal wafer 1 placed on the upper surface of the lower die 6 enter the upper die 5 and act together with the lower die 6, and the metal wafer 1 is punched to form a metal cylinder 7.

Referring to fig. 2 and 3, the workbench 3 is provided with a supporting assembly for placing the metal wafer 1, the supporting assembly comprises a limiting cylinder 8 fixed on the upper surface of the workbench 3, the limiting cylinder 8 is vertically arranged and surrounds the lower die 6, and the limiting cylinder 8 and the lower die 6 are coaxial and the inner wall of the limiting cylinder can be attached to the outer wall of the upper die 5. The inner wall of a limiting cylinder 8 is welded with a limiting ring 9 coaxial with the limiting cylinder 8, the limiting ring 9 is sleeved outside a lower die 6 and is close to the lower end face of the limiting cylinder 8, a supporting ring 10 coaxial with the limiting ring 9 is arranged in the limiting cylinder 8 in a sliding mode, the supporting ring 10 is sleeved outside the lower die 6, the outer wall of the supporting ring is attached to the inner wall of the limiting cylinder 8, a plurality of positioning cylinders 11 parallel to the axis of the limiting ring 9 are welded in the limiting ring 9, the upper end face and the lower end face of each positioning cylinder 11 are evenly distributed along the circumferential direction of the limiting ring 9, the upper end face and the lower end face of each positioning cylinder 11 are flush with the upper end face and the lower end face of the limiting ring 9, positioning rods 12 penetrating through the upper end face of each positioning cylinder 11 are arranged in the positioning cylinders 11, positioning springs 13 pushing the positioning rods 12 to move upwards are arranged in the positioning cylinders 11, and the lower end faces of the limiting rings 9 are fixed on the upper end faces of the positioning rods 12. The metal wafer 1 is placed on the support ring 10, the support ring 10 is pushed to move downwards in the process that the upper die 5 moves towards the lower die 6, and the metal wafer 1 is pushed to form the metal cylinder 7 in the upper die 5 under the action of the lower die 6.

Referring to fig. 3 and 4, a piston 14 is bonded to the lower end of the positioning rod 12, the piston 14 abuts against the inner wall of the positioning cylinder 11, a vent hole 15 penetrating through the lower end face of the positioning cylinder 11 is formed in the lower end face of the positioning cylinder 11, air is slowly circulated inside and outside the positioning cylinder 11 through the vent hole 15, an exhaust cylinder 16 which is provided with two open ends and is communicated with the inside of the positioning cylinder 11 is welded to the lower end face of the positioning cylinder 11, an exhaust ring 17 and a support 19 are welded to the exhaust cylinder 16, the exhaust ring 17 is coaxial with the exhaust cylinder 16, the outer wall of the exhaust ring 17 is hermetically connected with the inner wall of the exhaust cylinder 16, the support 19 is located below the exhaust ring 17, an exhaust spring 20 is fixed on the support 19, one end of the exhaust spring 20 is welded to the support 19, and an exhaust ball 18 is welded to the other end of the exhaust spring 20, and the exhaust ball 18 is pushed to abut against the exhaust ring 17, so that the port of the exhaust cylinder 16 is closed.

The upper die 5 moves in the limiting cylinder 8 to push the support ring 10 to move downwards to drive the positioning rod 12 to move towards the positioning cylinder 11, the air pushes the exhaust ball 18 to move downwards, the air is exhausted from the exhaust ring 17 and the vent hole 15, when the upper die 5 moves upwards, the exhaust ball 18 is pushed under the action of the exhaust spring 20 to seal the opening of the exhaust ring 17, the air slowly enters the positioning cylinder 11 from the vent hole 15 to play a certain buffering role, and the support ring 10 slowly moves upwards under the action of the positioning rod 12 and the positioning spring 13.

Referring to fig. 5, the cutting device includes a horizontally disposed mounting table 21, a vertically disposed mounting post 22 is welded on the upper surface of the mounting table 21, a horizontally disposed positioning post 23 is connected on the mounting post 22, a metal tube 7 formed by stamping is sleeved on the end portion of the positioning post 23, a rotating motor 24 is fixed on the side wall of the mounting post 22 far away from the metal tube 7 through a bolt, an output shaft of the rotating motor 24 is welded on the positioning post 23 and is coaxial with the positioning post 23, a sliding post 25 is arranged on the upper surface of the mounting table 21, the sliding post 25 can slide on the upper surface of the mounting table 21 along the direction close to or far away from the positioning post 23, a sliding groove 26 with a T-shaped cross section and parallel to the positioning post 23 is formed on the upper surface of the mounting table 21, a sliding block 27 slidably clamped in the sliding groove 26 is welded on the lower end surface of the sliding post 25, the sliding block 27 is T-shaped and is attached to the inner wall of the sliding groove 26, a driving cylinder 28 is fixed on the upper surface of the mounting table 21 through a bolt, the end of the connecting rod of the driving cylinder 28 is bonded on the end surface of the sliding column 25 far away from the positioning column 23, and pushes the sliding column 25 to slide on the upper surface of the mounting table 21.

Referring to fig. 5, the sliding column 25 is rotatably connected with a contact column 29, the contact column 29 is coaxial with the positioning column 23, the contact column 29 is sleeved with a connecting bearing 30, an inner ring of the connecting bearing 30 is bonded on an outer wall of the contact column 29, an outer ring of the connecting bearing 30 is bonded on the sliding column 25, the driving motor 36 is started to drive the sliding column 25 to move towards a direction close to the mounting column 22, so that the contact column 29 is in contact with an end face of the metal tube 7, and the metal tube 7 is mounted on the positioning column 23.

Referring to fig. 5, the cutting device further includes a mounting bracket 31 fixed on the upper surface of the mounting table 21, the mounting bracket 31 includes two vertical rods 32 welded on the upper surface of the mounting table 21 and vertically disposed, and a cross rod 33 integrally formed on the upper end surfaces of the two vertical rods 32 and connected to the two vertical rods 32, the cross rod 33 is parallel to the axis of the positioning post 23, a driving groove 34 is formed on the upper surface of the cross rod 33 along the length direction, a driving lead screw 35 parallel to the positioning post 23 is rotatably connected to the driving groove 34, a driving motor 36 is fixed on the end portion of the cross rod 33 through a bolt, an output shaft of the driving motor 36 is welded on the driving lead screw 35 and drives the driving lead screw 35 to rotate, a driving block 37 is disposed on the driving lead screw 35, the driving lead screw 35 horizontally penetrates through the driving block 37 and is in threaded connection with the driving block 37, a cutting machine 38 for cutting the metal cylinder 7 is fixed on the driving block 37, the cutting machine 38 has a cutting axis parallel to the axis of the metal cylinder 7, the outer wall of the positioning column 23 is provided with a plurality of feed grooves 39 surrounding the positioning column 23 along the circumferential direction, and the feed grooves 39 are arranged to reduce the possibility that the cutting machine 38 damages the positioning column 23 in the cutting process. The driving motor 36 drives the driving screw 35 to rotate, so that the driving block 37 screwed on the driving screw 35 drives the cutting machine 38 to move, and when the cutting machine 38 moves to a specified position, the cutting machine 38 acts on the cutting machine to cut the metal tube 7, so that the outer wall of the metal tube 7 forms a plurality of metal rings 40.

Referring to fig. 6 and 7, the stretching device includes a fixing table 41 arranged horizontally, a fixing block 42 arranged vertically is welded on the upper surface of the fixing table 41, a fixing column 43 arranged horizontally with an axis is welded on the fixing block 42, a fixing plate 44 arranged vertically is welded on the upper surface of the fixing table 41, the fixing column 43 is perpendicular to the fixing plate 44, a rotating disc 45 is rotatably connected to the side wall of the fixing plate 44 close to the fixing column 43, the rotating disc 45 is coaxial with the fixing column 43, a stretching motor 46 is fixed on the side wall of the fixing plate 44 far away from the fixing column 43 through bolts, an output shaft of the stretching motor 46 is welded on a rotating shaft of the rotating disc 45, the stretching motor 46 is coaxial with the rotating disc 45 and drives the rotating disc 45 to rotate, a stretching rod 47 parallel to the fixing column 43 is arranged on the end face of the rotating disc 45 far away from the stretching motor 46, the axis of the stretching rod 47 and the axis of the fixing column 43 are arranged in a staggered manner in the vertical direction, the metal ring 40 is sleeved on the fixed column 43 and the stretching rod 47.

Referring to fig. 6 and 7, the outer walls of the fixed column 43 and the stretching rod 47 are respectively sleeved with a rolling bearing 48, the inner ring of each rolling bearing 48 is welded on the corresponding fixed column 43 or the corresponding stretching rod 47, the outer wall of the outer ring of each rolling bearing 48 is provided with an abutting groove 49 surrounding the corresponding rolling bearing 48, the abutting groove 49 is coaxial with the corresponding rolling bearing 48, the metal ring 40 is clamped in the abutting groove 49 in the stretching process, and the possibility that the metal ring 40 moves along the axial direction is reduced. The side wall of the rotating disc 45 connected with the stretching rod 47 is provided with a mounting groove 50, the mounting groove 50 is radially arranged along the rotating disc 45, the mounting groove 50 is rotatably connected with a sliding screw 51, a sliding motor 52 is fixed in the mounting groove 50 through a bolt, an output shaft of the sliding motor 52 is welded on the sliding screw 51, the sliding screw 51 is in threaded connection with a sliding block 53, the end part of the stretching rod 47 is welded on the sliding block 53, the sliding motor 52 drives the sliding screw 51 to rotate, the sliding block 53 in threaded connection with the sliding screw 51 drives the stretching rod 47 to move along the radial direction, and in the process that the stretching rod 47 moves towards the direction far away from the axis of the rotating disc 45, the stretching rod 47 and the positioning column 23 jointly act to draw the metal ring 40 into a required transmission belt 54.

The implementation principle of the production system of the metal transmission belt in the embodiment of the application is as follows: the metal wafer 1 is placed on a hydraulic press, the hydraulic press is used for stamping the metal wafer 1 into a metal cylinder 7, the metal cylinder 7 is sleeved on a positioning column 23, a butting column 29 is abutted against the end portion of the metal cylinder 7, a rotating motor 24 drives the positioning column 23 and the metal cylinder 7 to rotate and act on a cutting machine 38, the cutting machine 38 is used for cutting the outer wall of the metal cylinder 7 into a plurality of metal rings 40, the metal rings 40 are sleeved on a fixing column 43 and a stretching rod 47, the stretching motor 46 drives the stretching rod 47 to rotate along the circumferential direction of the fixing column 43, in the rotating process, a sliding motor 52 drives a sliding screw 51 to rotate, a sliding block 53 drives the stretching rod 47 to move towards the direction far away from the axis of a rotating disc 45, and therefore the metal rings 40 are stretched into a required transmission belt 54.

The application also discloses a processing method of the metal transmission belt, which comprises the following steps:

step S1, selecting a metal sheet made of a proper material, forming a metal wafer 1 with a specified specification through a punching machine, and smearing drawing oil on the surface of the metal wafer 1;

step S2, placing the metal wafer 1 on a support ring 10, starting a hydraulic press, enabling a punch 4 to drive an upper die 5 to move downwards, enabling the upper die 5 to extend into a limiting cylinder 8 and abut against the metal wafer 1, enabling the upper die 5 to continue to move downwards, pushing the metal wafer 1 into the upper die 5 under the action of a lower die 6, enabling the metal wafer 1 to generate certain deformation, enabling the punch 4 to drive the upper die 5 to move upwards and then drive the upper die 5 to move downwards, enabling a lower die 6 to reciprocate in the vertical direction, and gradually increasing the distance of each downward movement, and enabling the upper die 5 and the lower die 6 to jointly act on the metal wafer 1 until the metal wafer 1 forms a metal cylinder 7;

step S3, sleeving the metal cylinder 7 on the mounting column 22, driving the sliding column 25 to move towards the direction close to the mounting column 22 by the driving cylinder 28, enabling the abutting column 29 to abut against the bottom of the metal cylinder 7, driving the mounting column 22 and the metal cylinder 7 to rotate by the rotating motor 24, driving the driving screw 35 to rotate by the driving motor 36, driving the cutting machine 38 to move to a specified position by the driving block 37 connected to the driving screw 35, acting on the cutting machine 38 to cut the metal cylinder 7, and cutting the outer wall of the metal cylinder 7 to form a plurality of metal rings 40;

step S4, sleeving the metal ring 40 in the abutting grooves 49 of the two rolling bearings 48, driving the rotating disc 45 to rotate by the stretching motor 46, driving the sliding screw 51 to rotate by the sliding motor 52 in the rotating process of the rotating disc 45, driving the sliding block 53 screwed on the sliding screw 51 to drive the stretching rod 47 to move along the radial direction, and driving the stretching rod 47 to move towards the direction far away from the axis of the rotating disc 45, so that the aperture of the metal ring 40 is increased, and a standby ring is formed;

step S5, taking off the spare ring and sleeving a new metal ring 40, repeating the step S4 to form a plurality of spare rings with different calibers;

step S6, a plurality of spare rings are sleeved together, the sleeved spare rings are sleeved in the abutting grooves 49 of the two rolling bearings 48, the stretching motor 46 drives the rotating disc 45 to rotate, the sliding motor 52 drives the sliding screw 51 to rotate in the rotating process of the rotating disc 45, the sliding block 53 which is in threaded connection with the sliding screw 51 drives the stretching rod 47 to move towards the direction far away from the axis of the rotating disc 45, the spare rings form a plurality of transmission belts 54 which are sleeved together, and the two adjacent transmission belts 54 are tightly attached;

at step S7, by pressing the belts 54 with sharp objects, the surface of the belts 54 is formed with protrusions and grooves that interact with adjacent belts 54, reducing the likelihood of relative movement between adjacent belts 54.

The implementation principle of the processing method of the metal transmission belt in the embodiment of the application is as follows: the metal wafer 1 is punched to form a metal cylinder 7 with an opening at one end and a closed end, the metal cylinder 7 is cut by a cutting machine 38 along the radial direction, a plurality of metal rings 40 are formed on the outer wall of the metal cylinder 7, the metal rings 40 are stretched one by one to form a plurality of standby rings with different calibers, the standby rings are connected together and then are stretched continuously, and a plurality of transmission belts 54 which are connected together in a sleeved mode and meet the specification are obtained.

The application also discloses another processing method of the metal transmission belt, which comprises the following steps:

step S1, selecting a proper metal sheet, punching the metal sheet into a metal wafer 1 with a specified specification, and smearing drawing oil on two surfaces of the metal wafer 1;

step S2, a certain number of metal wafers 1 are stacked together, sand grains or fine wires are placed between every two adjacent metal wafers 1, the stacked metal wafers 1 are placed on a support ring 10, a punch 4 drives an upper die 5 to reciprocate in the vertical direction, the distance of each downward movement gradually increases, the upper die 5 and a lower die 6 act together to gradually punch the metal wafers 1 to form a plurality of metal cylinders 7 which are sleeved together, and the fine wires or the sand grains form mutually matched bulges or grooves between the adjacent metal cylinders 7;

step S3, separating a plurality of metal cylinders 7, cleaning fine sand or fine wires, sleeving the metal cylinders 7 together, sleeving the sleeved metal cylinders 7 on an installation column 22, driving a cylinder 28 to drive a sliding column 25 to move towards the installation column 22, enabling an abutting column 29 to abut against the bottom of the metal cylinders 7, rotating a motor 24 to drive the installation column 22 and the metal cylinders 7 to rotate, driving a driving screw 35 to rotate by a driving motor 36, enabling a driving block 37 in threaded connection with the driving screw 35 to drive a cutting machine 38 to move to a specified position, acting on the cutting machine 38 to cut the metal cylinders 7, and enabling the outer walls of the metal cylinders 7 to form a plurality of metal rings 40 sleeved together;

step S4, taking down a plurality of metal rings 40 which are sleeved together and sleeved in the abutting grooves 49 of the two rolling bearings 48, driving the rotating disc 45 to rotate by the stretching motor 46, driving the sliding screw 51 to rotate by the sliding motor 52 in the rotating process of the rotating disc 45, so that the stretching rod 47 moves along the radial direction, and stretching the plurality of metal rings 40 which are sleeved together into the required transmission belt 54;

in step S5, the surface of belt 54 is formed with projections and recesses that interfit with adjacent belts 54 by pressing the belts 54 with a sharp object.

Step S6, referring to fig. 8, a plurality of through holes 55 are formed in the formed plurality of sleeved transmission belts 54 from inside to outside, the through holes 55 are formed from inside to outside, so that the inner walls of the transmission belts 54 are smooth, additional polishing is not required, during the process of forming the through holes 55, the transmission belts 54 deform around the through holes 55 to some extent, thereby reducing the possibility of slipping of adjacent transmission belts 54, and meanwhile, the arrangement of the through holes 55 is beneficial to heat dissipation of the transmission belts 54, thereby reducing the possibility of damage to the transmission belts 54 caused by over-high local temperature.

The implementation principle of the processing method of the metal transmission belt in the embodiment of the application is as follows: the method comprises the steps of superposing metal wafers 1 together, placing fine sand or fine wires between adjacent metal wafers 1, placing the superposed metal wafers 1 on a support ring 10, enabling the metal wafers 1 to form a metal cylinder 7 with a plurality of rods sleeved together under the combined action of an upper die 5 and a lower die 6, taking down the metal cylinder 7, cleaning the fine wires or the fine sand, sleeving the cleaned metal cylinder 7 together, enabling a cutting machine 38 to cut the outer wall edge of the metal cylinder 7 to form a plurality of metal rings 40 sleeved together, and stretching the metal rings 40 to obtain a plurality of transmission belts 54 sleeved together and meeting the specification.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.