Heat dissipation type roller ring machine facilitating material taking

Abstract

The application provides a heat dissipation type ring rolling machine facilitating material taking, comprising a machine table, a mounting beam and a blank fixing assembly. The application drives the core roller to actively ascend and descend through the push rod in the blank fixing assembly. After rolling is completed, the core roller can actively ascend and exit the inner hole of the needle cylinder ring. The high-temperature blank does not need to be lifted to take the material, the labor intensity and operation difficulty of the operator are reduced, and the single-batch production cycle is shortened. Meanwhile, after the material taking is completed, the spray head of the water spraying assembly will be inclined to spray atomized cooling water to cover the core roller, so that the temperature of the core roller is rapidly reduced to prevent thermal deformation. The roundness deviation of the inner hole of the blank is reduced from the source, the production quality is improved, and the production cost is reduced.

Description

Technical Field

[0001] This application relates to the field of ring rolling mill technology, and in particular to a heat-dissipating ring rolling mill that facilitates material handling. Background Technology

[0002] In large circular kiln needle cylinders, the ring rolling mill is widely used as a key piece of equipment for rolling and forming annular needle cylinder blanks. The ring rolling mill rolls the initial steel billet into annular blanks that meet the size requirements, and then processes them into finished needle cylinders through subsequent cutting, polishing and other processes. Therefore, the rolling accuracy and production efficiency of the ring rolling mill directly determine the core indicators of the needle cylinder, such as the roundness of the inner hole and the uniformity of the wall thickness.

[0003] The existing technology has the following problems: In the current production of large circular knitting machines for syringes, the core component of the ring rolling mill is generally rigidly connected to the machine base. When processing thin-walled annular blanks for syringes, the temperature of the syringe blanks is high after rolling, and the thin-walled structure is easy to deform. The traditional fixed mandrel requires lifting the blanks upwards to remove them from the mandrels, which is not only difficult to operate, but also poses a risk of burns to personnel, which seriously restricts the pace of mass production of syringes. Furthermore, traditional mandrels are mostly solid structures with poor heat dissipation. They are easily deformed by the heat conduction of the blank over a long period of time, which leads to deviations in the roundness of the inner hole of the syringe blank. This requires additional milling correction processes, increasing processing costs. Utility Model Content

[0004] The purpose of this invention is to provide a heat-dissipating ring rolling mill that facilitates material handling, thereby solving the aforementioned problems.

[0005] The technical solution of this application is implemented as follows: This application provides a heat-dissipating ring rolling mill that facilitates material handling, including a machine base and a billet fixing assembly, wherein an installation beam is fixedly installed on the top of the tail end of the machine base; The blank fixing assembly is fixedly installed on the top of the mounting beam; The blank fixing assembly includes a fixing frame, the bottom of which is fixedly installed on the top of the mounting beam. A connecting column is fixedly installed at the front end of the fixing frame. A mounting plate is fixedly connected to the top of the connecting column. A push rod is fixedly installed at the bottom of the mounting plate, avoiding the connection position with the connecting column. A support plate is fixedly connected to the middle of the front end of the connecting column. The output end of the push rod is fixedly installed on the top of the support plate, and the output shaft of the push rod passes through the top of the support plate and is fixedly connected to a connector. A mating ring is fixedly installed at the bottom of the mating ring. A rotating shaft is embedded at the bottom of the rotating shaft. A core roller is fixedly connected to the rotating end of the rotating shaft. The core roller is suspended directly above the center reserved hole of the positioning table of the machine tool, and the axis of the core roller is coaxial with the axis of the reserved hole of the positioning table. The bottom of the mounting plate is equipped with a water spray component, avoiding the connection position with the connecting column and the installation position of the push rod.

[0006] In one embodiment, the water spray assembly includes an extension plate, a buckle, and a diverter pipe, wherein the top of the extension plate is fixedly installed on the bottom of the mounting plate, avoiding the connection position with the connecting column and the installation position of the push rod; The shunt pipe is fixedly installed on the right side of the extension plate by a snap fastener.

[0007] The inlet at the top of the split pipe is fixedly connected to a delivery pipe, and the end of the delivery pipe away from the split pipe is connected to an external cooling water source. The outlet of the split pipe is fixedly connected to a branch pipe, and the outlet of the branch pipe is fixedly connected to a nozzle.

[0008] In one embodiment, the diversion pipe is a tee pipe, with the top of the tee pipe being the water inlet and the two bottom sides being the water outlets, and the bottom double outlets being fixedly connected to the water inlets of the two branch pipes respectively.

[0009] In one embodiment, the support plate is symmetrically provided with embedding plates on the left and right sides, and the embedding plates are provided with embedding grooves adapted to the nozzles. The nozzles that are fixedly connected to the outlets of the two branch pipes are respectively embedded and fixed in the middle of the embedding plate through the embedding grooves.

[0010] In one embodiment, the embedding groove on the embedding plate is inclined, and the inclination direction of the embedding groove is towards the outer circumferential surface of the core rod, so that the axis of the nozzle after embedding and fixing is designed to form an angle with the axis of the core rod.

[0011] In one embodiment, the cylinder body of the push rod is wrapped with a high-temperature resistant heat insulation sleeve, which is made of glass fiber material.

[0012] The advantages or beneficial effects of the above technical solutions include at least the following: This application discloses a heat-dissipating ring rolling mill that facilitates material handling. The mandrel is driven to rise and fall actively by a push rod in the billet fixing assembly. After rolling, the mandrel can rise and exit the inner hole of the needle cylinder ring, allowing material handling without lifting the heated billet. This reduces the labor intensity and difficulty of operation for operators and shortens the production cycle of a single batch. Meanwhile, after the material is picked up, the nozzle of the water spraying component will tilt and spray atomized cooling water to cover the core roller, quickly reducing the core roller temperature to prevent thermal deformation, reducing the roundness deviation of the inner hole of the blank from the source, improving production quality and reducing production costs. Attached Figure Description

[0013] The accompanying drawings illustrate exemplary embodiments of the present application and, together with the description thereof, serve to explain the principles of the present application. These drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification.

[0014] Figure 1 A schematic diagram of the overall structure of an embodiment of this application is shown; Figure 2 A schematic diagram of the blank fixing assembly according to an embodiment of this application is shown; Figure 3 A partial structural schematic diagram of the blank fixing assembly according to an embodiment of this application is shown; Figure 4 A schematic diagram of the water spray assembly according to an embodiment of this application is provided; Figure 5 Examples of this application are presented. Figure 3 Enlarged structural diagram at point A in the middle.

[0015] Reference numerals in the attached drawings: machine base-1, mounting beam-2, blank fixing assembly-3, fixing frame-31, connecting column-32, mounting plate-33, push rod-34, support plate-35, butt joint-36, rotating shaft-38, core roller-39, embedded plate-351, water spray assembly-40, extension plate-401, buckle-402, diversion pipe-403, conveying pipe-404, branch pipe-405, nozzle-406. Detailed Implementation

[0016] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While some embodiments of this application are shown in the drawings, it should be understood that this application can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this application. It should be understood that the drawings and embodiments of this application are for illustrative purposes only and are not intended to limit the scope of protection of this application.

[0017] It should be noted that, where there is no conflict, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] It should be understood that the term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this application are used only to distinguish different devices, modules, or units, and are not intended to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0019] It should be noted that the terms "a" and "several" used in this application are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0020] The names of the messages or information exchanged between multiple devices in the embodiments of this application are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0021] Reference Figure 1 A heat-dissipating ring rolling mill for easy material handling includes a machine base 1 and a fixing component 3 to realize the rolling operation function. The positioning table is used to place the ring blank, and its central reserved hole cooperates with the blank fixing component 3 to provide radial positioning for the blank.

[0022] A mounting beam 2 is fixedly installed at the top of the tail end of the machine 1. The blank fixing assembly 3 is fixedly installed at the top of the mounting beam 2. The mounting beam 2 is used to fix the blank fixing assembly 3 above the tail end of the machine 1, so that the core roller 39 in the subsequent blank fixing assembly 3 can be accurately suspended above the reserved hole of the positioning table, ensuring that the core roller 39 is coaxial with the blank.

[0023] In one embodiment, reference is made to Figures 2-3 The blank fixing assembly 3 includes a fixing frame 31, the bottom of which is fixedly installed on the top of the mounting beam 2. The fixing frame 31 is used to provide stable installation and support for the connecting column 32.

[0024] A connecting column 32 is fixedly installed at the front end of the fixed frame 31. The connecting column 32 is used to support and connect the mounting plate 33 and the support plate 35.

[0025] A mounting plate 33 is fixedly welded to the top of the connecting column 32. The mounting plate 33 is used to provide a stable installation position for the push rod 34, ensuring that the output shaft of the push rod 34 is coaxial with the guide hole of the support plate 35. At the same time, the mounting plate 33 is also used to support the water spray assembly 40.

[0026] A push rod 34 is fixedly installed at the bottom of the mounting plate 33, avoiding the connection position with the connecting column 32. The push rod 34 extends and retracts through the output shaft, driving the connector 36, the docking ring 37, the rotating shaft 38 and the core roller 39 to rise and fall synchronously. During rolling, the mandrel 39 can be pushed down and inserted into the inner hole of the billet, and then embedded into the reserved hole on the positioning table in the machine tool 1 to achieve billet positioning; When picking up material, the core roller 39 is pulled up to exit the reserved hole and the blank. When picking up material, there is no need to lift the blank, which solves the problem of traditional material picking that requires lifting the blank to remove it from the core roller 39.

[0027] A support plate 35 is fixedly connected to the middle of the front end of the connecting column 32. The output end of the push rod 34 is fixedly installed on the top of the support plate 35. The support plate 35 is used as the mounting point for the push rod 34, and the mounting plate 33 cooperates to fix the push rod 34 in a vertical state to prevent the push rod 34 from shaking when it is working. The guide hole through the support plate 35 at the output end of the push rod 34 can guide the output shaft to rise and fall smoothly while bearing the radial force transmitted by the mandrel 39 during rolling, thus avoiding the force from acting directly on the output shaft of the push rod 34 and causing deformation.

[0028] The output shaft of push rod 34 passes through the top of support plate 35 and is fixedly connected to a connector 36. The connector 36 is used to transmit the lifting force of the output shaft of push rod 34 to the mating ring 37. A mating ring 37 is fixedly installed at the bottom of the connector 36. The mating ring 37 is used to adapt to the installation of the rotating shaft 38, providing rotational support for the rotating shaft 38, and at the same time protecting the output shaft of the push rod 34 from directly bearing the rotational torque, so as to prevent the torque from being transmitted to the push rod 34 when the core roller 39 rotates with the blank, which would cause damage to the components.

[0029] A rotating shaft 38 is embedded at the bottom of the docking ring 37. When the mandrel 39 is rolled with the billet, it rotates synchronously. The rotating shaft 38 avoids sliding friction between the mandrel 39 and the billet by rotating itself, which protects the surface accuracy of the mandrel 39 and the billet and reduces rolling resistance.

[0030] The rotating end of the rotating shaft 38 is fixedly connected to the mandrel 39. The mandrel 39 is suspended directly above the reserved hole in the center of the positioning table of the machine base 1, and the axis of the mandrel 39 is coaxial with the axis of the reserved hole in the positioning table. Driven by the push rod 34, the mandrel 39 is inserted into the inner hole of the blank and the reserved hole on the positioning table in the machine base 1 to realize the positioning of the blank. It also cooperates with the drive roller to limit the radial displacement of the blank and ensure the roundness and dimensional accuracy of the inner hole after the blank is rolled into shape.

[0031] The bottom of the mounting plate 33 is provided with a water spray assembly 40, which avoids the connection position with the connecting column 32 and the installation position of the push rod 34. The water spray assembly 40 is used to cool down the core roller 39 and prevent thermal deformation caused by high temperature.

[0032] Among them, the cylinder body of push rod 34 is wrapped with a high temperature resistant heat insulation sleeve, which is made of glass fiber material. In this embodiment, push rod 34 is a heavy-duty cylinder that drives the core roller 39 to rise and fall, and needs to bear the core roller 39 and the reaction force generated during rolling. The high-temperature insulation sleeve can effectively isolate the heat conducted from the high-temperature billet to the cylinder during rolling, preventing the internal seals and hydraulic components of the heavy cylinder from aging and failing due to high temperature, and ensuring the long-term stable output of lifting power of the heavy cylinder.

[0033] In one embodiment, reference is made to Figures 3-4 The water spray assembly 40 includes an extension plate 401, a buckle 402, and a diverter pipe 403. The top of the extension plate 401 is fixedly installed on the bottom of the mounting plate 33, avoiding the connection position with the connecting column 32 and the installation position of the push rod 34. The extension plate 401, in conjunction with the clip 402, secures and installs the diversion pipe 403; A delivery pipe 404 is fixedly connected to the water inlet at the top of the distributor pipe 403. The end of the delivery pipe 404 away from the distributor pipe 403 is connected to an external cooling water source. The delivery pipe 404 is used to transport the liquid medium for cooling the core roller 39.

[0034] The outlet of the diversion pipe 403 is fixedly connected to a branch pipe 405, which transmits cooling water to the nozzle 406.

[0035] The outlet of the branch pipe 405 is fixedly connected to a nozzle 406. The nozzle 406 is used to atomize the cooling water and spray it onto the outer circumference of the core roller 39 to prevent the core roller 39 from deforming due to local high temperature, and to reduce the waste of cooling water.

[0036] The diversion pipe 403 is a three-way pipe with an inlet at the top and outlets on both sides at the bottom. The two outlets at the bottom are fixedly connected to the inlets of the two branch pipes 405. Through this design, the cooling water supplied by the external cooling water source can be accurately diverted to the two branch pipes 405, and then delivered by the branch pipes 405 to the corresponding nozzles 406. This ensures that the nozzles 406 can stably and synchronously deliver cooling water to the left and right sides of the core roller 39, thereby achieving effective heat dissipation on the left and right sides of the core roller 39.

[0037] In one embodiment, reference is made to Figures 4-5 Embedded plates 351 are symmetrically arranged on the left and right sides of the support plate 35. Embedded plates 351 are provided with embedded grooves that are adapted to the nozzles 406. The nozzles 406, which are fixedly connected to the outlets of the two branch pipes 405, are embedded and fixed in the middle of the embedded plate 351 through the embedded grooves. The embedded grooves on the embedded plate 351 are inclined, and the inclined direction of the embedded grooves is towards the outer circumference of the core roller 39, so that the axis of the nozzle 406 after being embedded and fixed is at an angle to the axis of the core roller 39.

[0038] The embedded plate 351 is used to install and fix the nozzle 406. At the same time, the inclined design of the embedded groove can ensure that the cooling water sprayed by the nozzle 406 can cover the outer circumference of the core roller 39 at the optimal angle, so as to achieve synchronous and uniform heat dissipation on both sides of the core roller 39 and prevent the core roller from deforming due to local high temperature. At the same time, it can also avoid splashing water onto other parts of the machine 1 due to improper water flow angle.

[0039] Working principle: The machine 1 first carries the annular billet through the positioning platform on its top. The reserved hole in the center of the positioning platform provides initial radial positioning for the billet. After the rolling operation begins, the push rod 34 in the billet fixing assembly 3 drives the output shaft to descend, which drives the butt joint 36, butt ring 37, rotating shaft 38 and mandrel 39 to descend synchronously. The mandrel 39 first inserts into the inner hole of the annular billet on the positioning platform, and then continues to be embedded into the reserved hole in the center of the positioning platform. At this time, the mandrel 39 and the drive roller on the machine 1 form a bidirectional clamping of the billet. When the drive roller rotates, it drives the billet to rotate synchronously around the mandrel 39. The rotating shaft 38 rotates with the billet to avoid sliding friction between the mandrel 39 and the billet. At the same time, the drive roller continuously applies radial pressure to gradually roll the annular billet into a thin-walled ring that meets the size requirements of the syringe ring. After rolling is completed, push rod 34 drives the output shaft to rise, causing mandrel 39 to exit the positioning table reserved hole and the inner hole of the syringe ring in sequence. Since mandrel 39 actively rises and exits, there is no need to lift the syringe ring to complete the material picking during subsequent handling. After the syringe ring is removed from the positioning table, the water spray assembly 40 starts to work. The external cooling water source delivers cooling water to the distribution pipe 403 through the delivery pipe 404. The distribution pipe 403 evenly distributes the cooling water to two branch pipes 405. The branch pipes 405 deliver the cooling water to the nozzles 406 fixed on the embedded plate 351. The nozzles 406 spray atomized cooling water at an inclined angle onto the outer circumference of the mandrel 39 to cool down the mandrel 39 that is heated during the rolling process and prevent the mandrel 39 from thermally deforming due to high temperature.

[0040] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0041] Those skilled in the art should understand that the above embodiments are merely for illustrative purposes and are not intended to limit the scope of this application. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of this application.

Claims

1. A heat-dissipating ring rolling mill that facilitates material handling, comprising a machine base (1), wherein a mounting beam (2) is fixedly installed on the top of the tail end of the machine base (1). Its features are: It also includes a blank fixing assembly (3), which is fixedly installed on the top of the mounting beam (2); The blank fixing assembly (3) includes a fixing frame (31), the bottom of which is fixedly installed on the top of the mounting beam (2). A connecting column (32) is fixedly installed at the front end of the fixing frame (31). A mounting plate (33) is fixedly connected to the top of the connecting column (32). A push rod (34) is fixedly installed at the bottom of the mounting plate (33), avoiding the connection position with the connecting column (32). A support plate (35) is fixedly connected to the middle of the front end of the connecting column (32). The output end of the push rod (34) is fixed. Installed on the top of the support plate (35), and the output shaft of the push rod (34) passes through the top of the support plate (35) and is fixedly connected to the connector (36). The bottom of the connector (36) is fixedly installed with a docking ring (37). The bottom of the docking ring (37) is embedded with a rotating shaft (38). The rotating end of the rotating shaft (38) is fixedly connected with a core rod (39). The core rod (39) is suspended directly above the reserved hole in the center of the positioning table of the machine (1), and the axis of the core rod (39) is coaxial with the axis of the reserved hole in the positioning table. The bottom of the mounting plate (33) is provided with a water spray assembly (40) that avoids the connection position with the connecting column (32) and the installation position of the push rod (34).

2. The heat-dissipating ring rolling mill with easy material handling according to claim 1, characterized in that: The water spray assembly (40) includes an extension plate (401), a buckle (402), and a diverter pipe (403). The top of the extension plate (401) is fixedly installed on the bottom of the mounting plate (33) to avoid the connection position with the connecting column (32) and the installation position of the push rod (34). The diversion pipe (403) is fixedly installed on the right side of the extension plate (401) by a snap fastener (402). The inlet of the top of the diversion pipe (403) is fixedly connected to the delivery pipe (404), and the end of the delivery pipe (404) away from the diversion pipe (403) is connected to an external cooling water source. The outlet of the diversion pipe (403) is fixedly connected to the branch pipe (405), and the outlet of the branch pipe (405) is fixedly connected to the nozzle (406).

3. The heat-dissipating ring rolling mill with easy material handling according to claim 2, characterized in that: The diversion pipe (403) is a three-way pipe, with the top of the three-way pipe being the water inlet and the bottom two sides being the water outlets. The bottom double outlets are fixedly connected to the water inlets of the two branch pipes (405).

4. The heat-dissipating ring rolling mill with easy material handling according to claim 3, characterized in that: Embedded plates (351) are symmetrically arranged on the left and right sides of the support plate (35). Embedded grooves adapted to the nozzles (406) are opened on the embedded plates (351). The nozzles (406) that are fixedly connected to the outlets of the two branch pipes (405) are respectively embedded and fixed in the middle of the embedded plate (351) through the embedded grooves.

5. The heat-dissipating ring rolling mill with easy material handling according to claim 4, characterized in that: The embedding groove on the embedding plate (351) is inclined, and the inclination direction of the embedding groove is towards the outer circumferential surface of the core rod (39), so that the axis of the embedded nozzle (406) is designed to be at an angle with the axis of the core rod (39).

6. The heat-dissipating ring rolling mill with easy material handling according to claim 1, characterized in that: The cylinder body of the push rod (34) is wrapped with a high-temperature heat-insulating sleeve, which is made of glass fiber material.

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