Bar rolling machine

Abstract

The utility model provides a rod rolling machine which comprises a frame provided with two supports. Two fixed rollers are rotationally connected between the two supports, the two fixed rollers are the same in height, and a first distance is formed between the two fixed rollers; a movable roller is further rotationally and slidably connected between the two supports, the movable roller is located above the two fixed rollers, and a second distance is formed between the movable roller and the fixed rollers; a driving assembly is further arranged, the driving end of the driving assembly is in transmission connection with the two fixed rollers, and the two fixed rollers can be driven to rotate in the same direction; pneumatic parts are arranged on the support, the lifting ends of the two pneumatic parts are fixed to the two ends of the movable roller respectively, and the movable roller can be driven to move so that the second distance can be equal to the first distance; by arranging the two fixed rollers capable of rotating in the same direction and the movable roller capable of moving relative to the fixed rollers, mixed powder in the rubber barrel can be evenly pressed while the rubber barrel is driven to roll, and compared with a manual operation mode, the efficiency is greatly improved, and meanwhile the bar forming quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material processing, in particular to a rolling machine. BACKGROUND

[0002] In the production of diamond abrasive, diamond powder and metal powder are mixed and then sintered, before sintering, the mixed powder is loaded into a cylindrical rubber sleeve, the plug is tightly fastened with a stainless steel clamp, in order to ensure the quality of sintering, the rubber sleeve loaded with powder is pressed and rolled, so that the diamond powder and metal powder are mixed uniformly and in cylindrical shape, so that the shape of the sintered rod meets the requirements. At present, the mixed powder in the rubber sleeve is mostly processed by manual rolling, that is, the rubber sleeve loaded with powder is placed on the table, a wooden board is pressed on the rubber sleeve, and the rubber sleeve is pressed and rolled forward and backward; but the force applied in the process of manual rolling is not easy to unify, and the efficiency is low, and the quality of the rod cannot be guaranteed. CONTENT OF THE INVENTION

[0003] The purpose of the present application is to provide a rolling machine, which comprises:

[0004] A frame is provided with two supports;

[0005] Two fixed rollers are rotatably connected between the two supports, and the two fixed rollers have the same height and a first distance between them;

[0006] A movable roller is rotatably and slidably connected between the two supports and located above the two fixed rollers, and the movable roller has a second distance from the fixed rollers;

[0007] A drive assembly is provided on the frame, and the drive end of the drive assembly is in transmission connection with the two fixed rollers, for driving the two fixed rollers to rotate in the same direction around their respective axes;

[0008] Two pneumatic devices are respectively provided on the two supports, and the lifting ends of the two pneumatic devices are respectively fixed to the two ends of the movable roller, for driving the movable roller to move in the vertical direction, so that the second distance is equal to the first distance.

[0009] According to the technical scheme provided by some embodiments of the present application, the movable roller and the fixed roller have the same structure, both including a rolling part and a variable diameter part, and the diameter of the variable diameter part is smaller than that of the rolling part.

[0010] According to the technical scheme provided in the embodiments of the present application, the support comprises a bottom plate, two support columns are respectively arranged at two ends of the bottom plate, a screw rod extending in the vertical direction is arranged at the top of each support column, a support plate is sleeved on the two screw rods, the pneumatic element is arranged on the support plate, an adjusting nut is threadedly connected to the screw rod, and the adjusting nut is used for adjusting the height of the two ends of the support plate.

[0011] According to the technical scheme provided in the embodiments of the present application, the support further comprises a sliding groove, the sliding groove is arranged between the two support columns and extends in the vertical direction, the two ends of the movable roller are respectively sleeved with a first bearing, the two first bearings are respectively arranged in the two sliding grooves and are in sliding connection with the sliding grooves, and the lifting end of the pneumatic element is fixedly connected with the first bearing after penetrating through the support plate.

[0012] According to the technical scheme provided in the embodiments of the present application, the two ends of the fixed roller are respectively sleeved with a second bearing, the second bearing is arranged on the bottom plate, one end of the fixed roller close to the driving assembly penetrates through the second bearing and is sleeved with a driven gear, the driving end of the driving assembly is sleeved with a driving gear, and the driving gear is respectively engaged with the two driven gears.

[0013] According to the technical scheme provided in the embodiments of the present application, a feeding plate and a receiving plate are respectively arranged between the two supports, the feeding plate is arranged on the side of one of the fixed rollers away from the other fixed roller, and the receiving plate is arranged on the side of the other fixed roller away from the feeding plate.

[0014] According to the technical scheme provided in the embodiments of the present application, the bottom of the first bearing is provided with a connecting plate extending in the vertical direction, a lifting plate is fixed between the two connecting plates, and when the movable roller is driven by the two pneumatic elements to rise in the vertical direction, the lifting plate can pass between the two fixed rollers, and the lifting plate pushes the material to make the material fall on the receiving plate.

[0015] According to the technical scheme provided in the embodiments of the present application, a limit switch is arranged in the sliding groove, and the limit switch can brake the movable roller when the second distance is equal to the first distance.

[0016] Compared with the prior art, the application has the beneficial effects that the roller bar machine comprises a frame, two supports are arranged on the frame, two fixed rollers are rotationally connected between the two supports, the two fixed rollers have the same height and a first distance between them, a movable roller is rotationally and slidingly connected between the two supports and located above the two fixed rollers, the movable roller has a second distance with the fixed rollers, a driving assembly is arranged on the frame, a driving end of the driving assembly is in transmission connection with the two fixed rollers, and the driving assembly is used to drive the two fixed rollers to rotate in the same direction around their respective axes, pneumatic members are arranged on the supports, lifting ends of the two pneumatic members are fixed with two ends of the movable roller respectively, and the pneumatic members are used to drive the movable roller to move in the vertical direction so that the second distance is equal to the first distance, by arranging the two fixed rollers which can rotate in the same direction under the driving of the driving assembly and the movable roller which can move relative to the fixed rollers, the rubber tube can be rolled and the mixed powder in the rubber tube can be uniformly pressed at the same time, compared with the manual operation mode, the efficiency is greatly improved and the quality of the bar material forming is ensured.

[0017] It should be understood that the description of technical features, technical solutions, beneficial effects or similar language in the present application does not imply that all features and advantages can be achieved in any single embodiment. On the contrary, it can be understood that the description of a feature or a beneficial effect means that the specific technical feature, technical solution or beneficial effect is included in at least one embodiment. Therefore, the description of technical features, technical solutions or beneficial effects in the specification does not necessarily refer to the same embodiment. Furthermore, the technical features, technical solutions and beneficial effects described in the embodiments can be combined in any appropriate manner. Those skilled in the art will understand that the embodiments can be implemented without one or more specific technical features, technical solutions or beneficial effects of a specific embodiment. In other embodiments, additional technical features and beneficial effects can be identified in specific embodiments that do not embody all embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 A structural schematic view of a roller bar machine provided by the embodiments of the present application is shown in the figure.

[0020] Figure 2 Another structural schematic view of a roller bar machine provided by the embodiments of the present application is shown in the figure.

[0021] The text annotations in the figure represent:

[0022] 1. Frame; 2. Support; 3. Fixed roller; 4. Movable roller; 5. Drive motor; 6. Reducer; 7. Pneumatic component; 8. Screw; 9. Adjusting nut; 10. Slide groove; 11. First bearing; 12. Second bearing; 13. Drive gear; 14. Driven gear; 15. Feeding plate; 16. Receiving plate; 17. Lifting plate; 21. Rolling section; 22. Variable diameter section. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. The descriptions in this section are merely illustrative and explanatory, and should not be construed as limiting the scope of protection of this application. Specifically, the described embodiments are only some embodiments of this application, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort should fall within the scope of protection of this invention.

[0024] It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such process, method, product, or apparatus.

[0025] As mentioned in the background section, in order to solve the problems in the prior art, this embodiment provides a bar rolling machine, including:

[0026] Frame 1, with two supports 2 on it;

[0027] Fixed roller 3, two fixed rollers 3 are rotatably connected between two supports 2, the two fixed rollers 3 are at the same height and have a first distance between them;

[0028] The movable roller 4 is rotatably and slidably connected between the two supports 2, located above the two fixed rollers 3, and there is a second distance between the movable roller 4 and the fixed rollers 3.

[0029] A drive assembly is mounted on the frame 1, and its drive end is connected to two fixed rollers 3 for driving the two fixed rollers 3 to rotate in the same direction around their respective axes.

[0030] The two pneumatic members 7 are arranged on the two supports 2 respectively, and the lifting ends of the two pneumatic members 7 are fixed with the two ends of the movable roller 4 respectively, for driving the movable roller 4 to move along the vertical direction, so that the second distance is equal to the first distance.

[0031] As shown in Figure 1 and Figure 2 , the frame 1 is a rectangular structure, and two supports 2 which are also rectangular structures are arranged on the frame 1 along the length direction of the frame 1. The two fixed rollers 3 are rotatably connected between the two supports 2 at the same height, and have a first distance along the width direction of the frame 1 between them, which is smaller than the diameter of the rubber sleeve. The movable roller 4 is arranged above the two fixed rollers 3 and is slidably arranged between the two supports 2 and rotatable about its own axis, and has a second distance with the fixed rollers 3. The drive assembly includes a drive motor 5 arranged on one of the supports 2 away from the other support 2, and a speed reducer 6 arranged between the two supports 2. The drive motor 5 is drivingly connected with the two fixed rollers 3 through the speed reducer 6, for driving the two fixed rollers 3 to rotate in the same direction. Two pneumatic members 7 are arranged on the two supports 2 respectively, and the piston rods of the two pneumatic members 7 extend in the vertical direction and are fixed with the two ends of the movable roller 4 respectively. The two pneumatic members 7 are started to make the movable roller 4 rise, the rubber sleeve containing the material is placed between the two fixed rollers 3, and then the two pneumatic members 7 drive the movable roller 4 to descend until the first distance is equal to the second distance. At this time, the rubber sleeve is uniformly stressed between the three, and the drive motor 5 is started to drive the two fixed rollers 3 to rotate, driving the rubber sleeve and the movable roller 4 to rotate, and then the material in the rubber sleeve can be rolled and pressed.

[0032] By arranging the two fixed rollers 3 which can rotate in the same direction under the driving of the drive assembly, and the movable roller 4 which can move relative to the fixed rollers 3, the rubber cylinder can be rolled and the mixed powder in the rubber cylinder can be uniformly pressed at the same time. Compared with the manual operation mode, the efficiency is greatly improved and the quality of the rod forming is ensured.

[0033] In a preferred embodiment, the movable roller 4 and the fixed roller 3 have the same structure, both including a rolling part 21 and a variable diameter part 22, and the diameter of the variable diameter part 22 is smaller than the diameter of the rolling part 21.

[0034] As shown in Figure 2As shown, the rubber sleeve is a cylindrical barrel with one end open. After the diamond powder and metal powder are put into the rubber sleeve through the open end, the rubber sleeve is closed by the rubber plug, and then the clamp is set on the outer periphery of the rubber sleeve corresponding to the rubber plug for fixation. In actual use, since the clamp is set on the outer periphery of the rubber sleeve, the clamp interferes with the fixed roller 3 and the movable roller 4 when the rubber sleeve rotates. By designing the fixed roller 3 and the movable roller 4 to have an integrated rolling part 21 and a variable diameter part 22 structure, the diameter of the variable diameter part 22 is smaller than that of the rolling part 21. The part of the rubber sleeve with the material is placed corresponding to the rolling part 21, and the position of the clamp corresponding to the variable diameter part 22. In use, the collision between the clamp and the fixed roller 3 and the movable roller 4 can be avoided, thereby ensuring the forming quality of the rod.

[0035] In a preferred embodiment, the support 2 comprises a bottom plate, two ends of the bottom plate are respectively provided with two support columns, the top of the support column is provided with a screw rod 8 extending in the vertical direction, two screw rods 8 are jointly sleeved with a support plate, the support plate is provided with a pneumatic element 7, and the screw rod 8 is threadedly connected with an adjusting nut 9, the adjusting nut 9 is used to adjust the height of the two ends of the support plate.

[0036] As shown in Figure 1 and Figure 2 , the bottom plate is fixed on the frame 1, the two ends of the bottom plate are respectively provided with support columns extending in the vertical direction, the top of the support column is provided with a bolt, the bolt is threadedly connected with an adjusting nut 9, the support plate is sleeved on the outer periphery of the two adjusting nuts 9, and the adjusting nut 9 can rotate relative to the support plate. By screwing the adjusting nut 9, the adjusting nut 9 moves along the bolt, thereby driving the support plate, and the height of the two ends of the support plate can be adjusted.

[0037] In a preferred embodiment, the two ends of the fixed roller 3 are respectively sleeved with a second bearing 12, the second bearing 12 is arranged on the bottom plate, and the end of the fixed roller 3 close to the driving assembly is sleeved with a driven gear 14 after penetrating through the second bearing 12. The driving end of the driving assembly is sleeved with a driving gear 13, and the driving gear 13 is engaged with the two driven gears 14.

[0038] As shown in Figure 1 and Figure 2 , the second bearing 12 adopts a deep groove ball bearing in the prior art, the outer ring of the second bearing 12 is fixed on the bottom plate, and the two ends of the fixed roller 3 are respectively fixed with the inner rings of the two second bearings 12. The end of the fixed roller 3 close to the driving motor 5 is fixed with a driven gear 14 after penetrating through the second bearing 12, and the driving shaft of the speed reducer 6 is fixed with a driving gear 13. The driving gear 13 is arranged below the two driven gears 14 and is engaged with the two driven gears 14, respectively. In this way, the driving motor 5 can drive the two fixed rollers 3 to rotate in the same direction through the mutually engaged driving gear 13 and driven gear 14.

[0039] In a preferred embodiment, the support 2 further comprises a sliding groove 10 arranged between the two support columns and extending in the vertical direction, the two ends of the movable roller 4 are respectively sleeved with a first bearing 11, the two first bearings 11 are respectively arranged in the two sliding grooves 10 and are in sliding connection with the sliding grooves 10, and the lifting end of the pneumatic element 7 penetrates through the support plate and is fixedly connected with the first bearing 11.

[0040] As shown in Figure 1 and Figure 2 , the sliding groove 10 is arranged between the two support columns in the vertical direction, and the bottom end is fixed with the outer ring of the two second bearings 12; the first bearing 11 also adopts the deep groove ball bearing in the prior art, the outer ring of the first bearing 11 is fixed with the piston rod of the pneumatic element 7 and arranged in the sliding groove 10 and can slide along the sliding groove 10, and the two ends of the movable roller 4 are respectively penetrated into the inner ring of the two first bearings 11 and fixed with the inner ring; by arranging the sliding groove 10, the movement of the movable roller 4 in the vertical direction can be guided, and deviation of the movable roller 4 driven by the pneumatic element 7 to rise and fall can be avoided.

[0041] In a preferred embodiment, the two supports 2 are respectively provided with a discharging plate 15 and a receiving plate 16, the discharging plate 15 is arranged on the side of one of the fixed rollers 3 away from the other fixed roller 3, and the receiving plate 16 is arranged on the side of the other fixed roller 3 away from the discharging plate 15.

[0042] As shown in Figure 1 and Figure 2 , the discharging plate 15 and the receiving plate 16 are respectively arranged on the sides of the two fixed rollers 3 away from each other, the discharging plate 15 is fixed on the support 2 and used for placing the rubber sleeve containing the material to be processed, and the receiving plate 16 is also fixed on the support 2 and used for receiving the rubber sleeve after rolling.

[0043] In a preferred embodiment, the first bearing 11 is provided with a connecting plate extending in the vertical direction, and the two connecting plates are fixed with a lifting plate 17, when the movable roller 4 is lifted in the vertical direction under the drive of the two pneumatic elements 7, the lifting plate 17 can pass between the two fixed rollers 3 and push the material to fall onto the receiving plate 16.

[0044] As shown in Figure 1As shown, the connecting plates are fixed at the bottom of the outer ring of the first bearing 11, and a lifting plate 17 is fixed between the two connecting plates, the size of the lifting plate 17 along the width direction of the frame 1 is less than the first distance, so that it can pass between the two fixed rollers 3; the lifting plate 17 comprises a first sub-plate and a second sub-plate connected integrally, the first sub-plate is arranged in the horizontal direction, and the second sub-plate is connected to one end of the first sub-plate away from the receiving plate 16, the second sub-plate is arranged obliquely, and the end away from the first sub-plate is higher than the first sub-plate, when the rubber sleeve is rolled, the lifting plate 17 is located below the rubber sleeve, after rolling, the pneumatic element 7 drives the movable roller 4 to move upward, and at the same time drives the lifting plate 17 to push the rubber sleeve to roll to one side of the receiving plate 16 from below the rubber sleeve and fall onto the receiving plate 16.

[0045] In a preferred embodiment, a limit switch is arranged in the chute 10, and the limit switch can brake the movable roller 4 when the second distance is equal to the first distance.

[0046] As shown in Figure 1 and Figure 2 , the limit switch is arranged in the chute 10, when the pneumatic element 7 drives the movable roller 4 to descend to the first distance equal to the second distance, the first bearing 11 triggers the limit switch, the limit switch closes the pneumatic element 7 and starts the driving motor 5, the driving motor 5 drives the two fixed rollers 3 to rotate through the speed reducer 6, and then the two fixed rollers 3 and the movable roller 4 can roll and press the rubber sleeve.

[0047] Working principle: when in use, start the pneumatic element 7, the two pneumatic elements 7 drive the movable roller 4 to rise, the movable roller 4 rises to the distance between the movable roller 4 and the fixed roller 3 along the vertical direction when the rubber sleeve is put on the two fixed rollers 3 and located between the two fixed rollers 3, and then the pneumatic element 7 is started again, the two pneumatic elements 7 drive the movable roller 4 to descend, when the movable roller 4 descends to the first distance equal to the second distance, the first bearing 11 triggers the limit switch, the limit switch closes the pneumatic element 7 and starts the driving motor 5, the driving motor 5 drives the two fixed rollers 3 to rotate in the same direction through the speed reducer 6, the two fixed rollers 3 drive the rubber sleeve and the movable roller 4 to rotate, and then the two fixed rollers 3 and the movable roller 4 can roll and press the rubber sleeve; after pressing, the driving motor 5 is closed and the pneumatic element 7 is started, the two pneumatic elements 7 drive the movable roller 4 to rise, and at the same time drive the lifting plate 17 to push the rubber sleeve to roll to one side of the receiving plate 16 from below the rubber sleeve and fall onto the receiving plate 16.

[0048] The principles and implementation manners of the present application are described by using specific examples in the present article, and the above example descriptions are only used to help understand the method of the present application and its core idea. The above descriptions are only the preferred implementation manners of the present application. It should be noted that, due to the limited nature of the language expression, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, refinements or changes can be made without departing from the principles of the present application, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.

Claims

1. A roller coaster, characterized in that, The utility model relates to a kind of frame (1), which is provided with two supports (2) on the frame (1);Two fixed rollers (3) are rotatably connected between the two supports (2), and the two fixed rollers (3) have the same height and a first distance between them;A movable roller (4) is rotatably and slidably connected between the two supports (2), located above the two fixed rollers (3), and has a second distance between the movable roller (4) and the fixed rollers (3);A drive assembly is provided on the frame (1), and the drive end of the drive assembly is drivingly connected with the two fixed rollers (3) for driving the two fixed rollers (3) to rotate in the same direction around their respective axes;Two pneumatic components (7) are respectively provided on the two supports (2), and the lifting ends of the two pneumatic components (7) are fixed to the two ends of the movable roller (4) respectively for driving the movable roller (4) to move vertically so that the second distance is equal to the first distance. The movable roller (4) and the fixed roller (3) have the same structure, both including a rolling part (21) and a variable-diameter part (22), and the diameter of the variable-diameter part (22) is smaller than that of the rolling part (21). The support (2) includes a bottom plate, two support columns are respectively provided at the two ends of the bottom plate, a screw rod (8) extending in the vertical direction is provided at the top of each support column, a support plate is jointly sleeved on the two screw rods (8), the pneumatic component (7) is provided on the support plate, an adjusting nut (9) is threadedly connected on the screw rod (8), and the adjusting nut (9) is used for adjusting the height of the two ends of the support plate. The support (2) further includes a sliding groove (10) extending in the vertical direction between the two support columns, first bearings (11) are respectively sleeved on the two ends of the movable roller (4), the two first bearings (11) are respectively arranged in the two sliding grooves (10) and are slidably connected with the sliding grooves (10), and the lifting ends of the pneumatic components (7) are fixedly connected with the first bearings (11) after penetrating through the support plate. Second bearings (12) are respectively sleeved on the two ends of the fixed roller (3), the second bearings (12) are arranged on the bottom plate, a driven gear (14) is sleeved on the end of the fixed roller (3) close to the drive assembly after penetrating through the second bearing (12), a driving gear (13) is sleeved on the drive end of the drive assembly, and the driving gear (13) is engaged with the two driven gears (14) respectively. A discharging plate (15) and a receiving plate (16) are respectively arranged between the two supports (2), the discharging plate (15) is arranged on the side of one of the fixed rollers (3) away from the other fixed roller (3), and the receiving plate (16) is arranged on the side of the other fixed roller (3) away from the discharging plate (15).

2. A roller coaster according to claim 1, wherein ​ 3. A roller coaster according to claim 1, wherein: ​ 4. A roller coaster according to claim 3, wherein ​ 5. A roller coaster as defined in claim 3, wherein ​ 6. A roller coaster as defined in claim 4, wherein ​ 7. A roller coaster according to claim 6, wherein The first bearing (11) is provided with connecting plates extending in vertical direction, and a lifting plate (17) is fixed between the two connecting plates, when the movable roller (4) is driven by the two pneumatic elements (7) to rise in vertical direction, the lifting plate (17) can pass between the two fixed rollers (3) and push the materials to fall onto the receiving plate (16).

8. A roller coaster according to claim 4, wherein: The chute is provided with a limit switch, and the limit switch can brake the movable roller (4) when the second distance is equal to the first distance.

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