Driving roller set for finishing mill

Abstract

The utility model relates to a driving roller set for a finishing mill. The driving roller set is provided with a rack. The rack comprises an upper frame and a lower frame which are arranged up and down, a finish rolling channel for metal to pass through is formed between the upper frame and the lower frame, and rotating grooves communicated with the finish rolling channel are formed in the upper frame and the lower frame; roller frames are rotationally arranged in the rotating grooves, each roller frame comprises a rotating block, a plurality of mounting strips and a roller body, the rotating blocks are rotationally arranged in the rotating grooves, the mounting strips are fixedly arranged at the two ends of each rotating block, and the mounting strips at the two ends of each rotating block are arranged in a one-to-one correspondence mode; the two ends of each roller body are rotationally arranged on two mounting strips which are arranged in a one-to-one correspondence mode, and all the roller bodies can enter the finish rolling channel or the rotating groove along with rotation of the rotating blocks; and a driving part used for driving the rotating block to rotate is also arranged on the rack. According to the utility model, different roller bodies can be switched, so that the replacement time is shortened.

Description

Technical Field

[0001] The utility model relates to a driving roll group for a finishing mill. Background Art

[0002] A finishing mill is a high-precision processing device, mainly used in the processing of precious metals, such as jewelry processing factories, solder production factories, school laboratories and research institutes, etc. Its function is to use special rolling production to process metal materials, so that its surface is smooth and the thickness is uniform, meeting certain smoothness and progress requirements; in addition to precious metals, the finishing mill can also be used to process basic metal materials such as stainless steel, iron, aluminum, and tin. For different metal materials, suitable press roller materials must be selected to fully ensure the quality of production processing.

[0003] In the existing replacement method, it is mostly to disassemble the original roll body and then install the roll body required for the corresponding metal material. In this process, it takes a long time and consumes a lot of manpower; it will affect the production efficiency during production, taking a lot of time and effort. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a driving roll group for a finishing mill, which can switch between different roll bodies and reduce the replacement time.

[0005] The technical solution for achieving the purpose of the utility model is: the utility model has a frame; the frame includes an upper frame and a lower frame arranged up and down, and a finishing channel for metal to pass through is formed between the upper frame and the lower frame. Rotating grooves communicated with the finishing channel are provided on both the upper frame and the lower frame; a roll frame is rotatably provided in each of the rotating grooves. The roll frame includes a rotating block, a mounting strip and a roll body. The rotating block is rotatably arranged in the rotating groove, and a plurality of the mounting strips are fixedly provided at both ends of the rotating block. The mounting strips at both ends of the rotating block are arranged in one-to-one correspondence. There are a plurality of roll bodies, and both ends of the roll body are respectively rotatably arranged on two mounting strips arranged in one-to-one correspondence. Each roll body can enter the finishing channel or enter the rotating groove as the rotating block rotates; a driving part for driving the rotating block to rotate is further provided on the frame.

[0006] Further, a sliding groove is provided on the mounting strip along the extending direction of the mounting strip, and a connecting block is slidably provided in the sliding groove. Both ends of the roll body are respectively rotatably arranged on the connecting blocks on two mounting strips arranged in one-to-one correspondence; an elastic member is further provided in the sliding groove. One end of the elastic member acts on one end of the sliding groove close to the rotating block, and the other end of the elastic member acts on the connecting block. The connecting block always slides in a direction away from the rotating block under the action of the elastic member.

[0007] Further, the left and right inner walls of the rotating groove are arc surfaces that can guide the roller body to rotate. Limiting arc grooves that can limit the remaining roller bodies when one roller body enters the finishing rolling channel and can fit the surface of the roller body are also provided on the left and right inner walls of the rotating groove. A plurality of the limiting arc grooves are provided and correspond one by one to the positions of the remaining roller bodies when one roller body enters the finishing rolling channel; a first guiding surface that is connected to the left and right inner walls of the rotating groove and is used to guide the roller body into the limiting arc groove is further provided on the edge of the limiting arc groove.

[0008] Further, rotating rods are fixedly provided at both ends of the rotating block. The rotating rods are respectively rotatably arranged on the front and rear side walls of the rotating groove; one of the rotating rods at both ends of the rotating block passes through the rotating groove, and the rotating rod passing through the rotating groove is fixedly connected to the driving end of the driving part. The rotating block rotates when the driving part drives the rotating rod to rotate.

[0009] Further, an opening groove that is communicated with the finishing rolling channel and through which the roller body can pass is provided on the rotating groove. A second guiding surface for guiding the roller body partially located in the finishing rolling channel to enter the rotating groove as the rotating block rotates is provided on the edge of the opening groove.

[0010] Further, a flexible layer for guiding and protecting the surface of the roller body is wrapped on the second guiding surface, and a brush for cleaning the surface of the roller body is fixedly provided on the flexible layer.

[0011] The utility model has positive effects: (1) Roller frames are rotatably arranged in the rotating groove of the utility model. The roller frame includes a rotating block, a mounting strip, and a roller body. The rotating block is rotatably arranged in the rotating groove. A plurality of the mounting strips are fixedly provided at both ends of the rotating block. The mounting strips at both ends of the rotating block are arranged in one-to-one correspondence. A plurality of roller bodies are provided, and both ends of the roller body are respectively rotatably arranged on two mounting strips arranged in one-to-one correspondence. Each roller body can enter the finishing rolling channel or the rotating groove as the rotating block rotates; by rotating the rotating block, different types of roller bodies are driven to be converted between the rotating groove and the finishing rolling channel, so as to achieve the replacement of roller bodies for different metal materials, which is efficient and convenient.

[0012] (2) A sliding groove is provided on the mounting strip of the utility model. A connecting block is slidably arranged in the sliding groove. Both ends of the roller body are respectively rotatably arranged on the connecting blocks on two mounting strips arranged in one-to-one correspondence. The connecting block always slides in a direction away from the rotating block under the action of the elastic member; when the roller body originally located in the rotating groove is converted towards the finishing rolling channel, the roller body can reach the position required for work under the action of the elastic member, so that the required roller body can quickly enter the working state.

[0013] (3) The left and right inner walls of the rotating groove of the present utility model are arc surfaces that can guide the roller body to rotate, and limiting arc grooves are also provided on the left and right inner walls of the rotating groove; the limiting arc grooves can limit the remaining roller bodies in the rotating groove when the required roller body enters the finishing channel, ensuring that the roller body located in the finishing channel does not rotate or shake during operation.

[0014] (4) A first guiding surface that is connected to the left and right inner walls of the rotating groove and is used to guide the roller body into the limiting arc groove is further provided on the edge of the limiting arc groove of the present utility model. The first guiding surface can reduce the collision of the roller body when entering or leaving the limiting arc groove.

[0015] (5) A groove opening groove that is communicated with the finishing channel and through which the roller body can pass is provided on the rotating groove of the present utility model, and a second guiding surface is provided on the edge of the opening groove; under the action of the second guiding surface, when guiding the roller body located in the finishing channel to enter the rotating groove as the rotating block rotates, the collision with the opening groove is reduced, and the wear is reduced.

[0016] (6) A flexible layer for guiding and protecting the surface of the roller body is wrapped on the second guiding surface of the present utility model, and a brush for cleaning the surface of the roller body is fixedly provided on the flexible layer; the brush is used to clean the used roller body, extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to specific embodiments in conjunction with the drawings, where

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a side cross-sectional view of the present utility model;

[0020] Figure 3 is Figure 2 a partially enlarged view of A in

[0021] Figure 4 is Figure 2 a partially enlarged view of B in

[0022] Figure 5 is Figure 2 a partially enlarged view of C in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] See Figures 1 to 5, the utility model has a frame; the frame includes an upper frame 1 and a lower frame 2 arranged up and down, and a finishing rolling channel 3 for metal to pass through is formed between the upper frame 1 and the lower frame 2. Rotating grooves 4 communicated with the finishing rolling channel 3 are provided on both the upper frame 1 and the lower frame 2; roller frames 5 are rotatably arranged in the rotating grooves 4. The roller frame 5 includes a rotating block 51, a mounting strip 52 and a roller body 53. The rotating block 51 is rotatably arranged in the rotating groove 4. A plurality of the mounting strips 52 are fixedly provided at both ends of the rotating block 51. The mounting strips 52 at both ends of the rotating block 51 are arranged in one-to-one correspondence. A plurality of roller bodies 53 are provided, and both ends of the roller body 53 are respectively rotatably arranged on two mounting strips 52 arranged in one-to-one correspondence. Each roller body 53 can enter the finishing rolling channel 3 or the rotating groove 4 as the rotating block 51 rotates; a driving part 6 for driving the rotating block 51 to rotate is further provided on the frame.

[0024] By rotating the rotating block 51, different types of roller bodies 53 are driven to be converted between the rotating groove 4 and the finishing rolling channel 3, so as to achieve the replacement of the roller bodies 53 for different metal materials, which is efficient and convenient.

[0025] Four mounting strips 52 are provided and are fixedly arranged on the rotating block 51 with a cross-shaped cross-section.

[0026] A sliding groove 521 is provided on the mounting strip 52 along the extending direction of the mounting strip 52. A connecting block 522 is slidably arranged in the sliding groove 521. Both ends of the roller body 53 are respectively rotatably arranged on the connecting blocks 522 of two mounting strips 52 arranged in one-to-one correspondence; an elastic member 7 is further provided in the sliding groove 521. One end of the elastic member 7 acts on one end of the sliding groove 521 close to the rotating block 51, and the other end of the elastic member 7 acts on the connecting block 522. The connecting block 522 always slides in a direction away from the rotating block 51 under the action of the elastic member 7.

[0027] When the roller body 53 can be converted from the original position in the rotating groove 4 towards the finishing rolling channel 3, it can reach the position required for work under the action of the elastic member 7, so that the required roller body 53 can quickly enter the working state.

[0028] The left and right inner walls of the rotating groove 4 are arc surfaces 41 that can guide the rotation of the roller body 53. Limiting arc-shaped grooves 42 that can limit the other roller bodies 53 when one roller body 53 enters the finishing rolling channel 3 and can fit the surface of the roller body 53 are further provided on the left and right inner walls of the rotating groove 4. A plurality of the limiting arc-shaped grooves 42 are provided and correspond to the positions of the other roller bodies 53 when one roller body 53 enters the finishing rolling channel 3; a first guiding surface 421 that is connected to the left and right inner walls of the rotating groove 4 and is used to guide the roller body 53 into the limiting arc-shaped groove 42 is further provided on the edge of the limiting arc-shaped groove 42.

[0029] The limiting arc-shaped groove 42 can limit the remaining rollers 53 in the rotating groove 4 when the required roller 53 enters the finish rolling channel 3, ensuring that the roller 53 located in the finish rolling channel 3 does not rotate or shake during operation.

[0030] The first guiding surface 421 can reduce the collision of the roller 53 when entering or leaving the limiting arc-shaped groove 42.

[0031] Rotating rods 511 are fixedly provided at both ends of the rotating block 51, and the rotating rods 511 are respectively rotatably arranged on the front and rear side walls of the rotating groove 4; one of the rotating rods 511 at both ends of the rotating block 51 penetrates out of the rotating groove 4, and the rotating rod 511 penetrating out of the rotating groove 4 is fixedly connected to the driving end of the driving part 6, and the rotating block 51 rotates when the driving part 6 drives the rotating rod 511 to rotate.

[0032] An opening groove 43 communicating with the finish rolling channel 3 and allowing the roller 53 to pass through is provided on the rotating groove 4, and a second guiding surface 431 for guiding the roller 53 partially located in the finish rolling channel 3 to enter the rotating groove 4 as the rotating block 51 rotates is provided on the edge of the opening groove 43.

[0033] Under the action of the second guiding surface 431, when guiding the roller 53 located in the finish rolling channel 3 to enter the rotating groove 4 as the rotating block 51 rotates, the collision with the opening groove 43 is reduced, and the wear is reduced.

[0034] A flexible layer 4311 for guiding and protecting the surface of the roller 53 is wrapped on the second guiding surface 431, and a brush 4312 for cleaning the surface of the roller 53 is fixedly provided on the flexible layer 4311.

[0035] The used roller 53 is cleaned by the brush 4312, and the service life is prolonged.

[0036] The driving part 6 is a rotating handle, and the connecting end of the rotating handle is fixedly connected to the rotating rod 511, and the rotating rod 511 is driven to rotate by rotating the rotating handle.

[0037] The working principle of the present utility model: According to different metal materials, the driving part 6 is rotated to drive the rotating block 51 to rotate, and different rollers 53 located in the rotating groove 4 enter the finish rolling channel 3 as the rotating block 51 rotates. At this time, the remaining rollers 53 are located in the limiting arc-shaped groove 42 in the loading groove; the rollers 53 in the rotating grooves 4 in the upper frame 1 and the lower frame 2 are all rotated out to the finish rolling channel 3 in the above-mentioned manner, and an external device is used to push the metal to be finish rolled through the space between the rollers 53 of the upper frame 1 and the rollers 53 of the lower frame 2 for finish rolling work.

[0038] The specific embodiments described above have further elaborated on the purpose, technical solutions, and beneficial effects of the present utility model. It should be understood that the above description is only for the specific embodiments of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A driving roller set for a finishing mill, comprising a frame; characterized in that: The frame comprises an upper frame (1) and a lower frame (2) which are arranged in a vertical direction, a finishing channel (3) through which metal can pass is formed between the upper frame (1) and the lower frame (2), and a rotating groove (4) which is connected to the finishing channel (3) is provided on both the upper frame (1) and the lower frame (2); a roller frame (5) is rotatably arranged in the rotating groove (4), and the roller frame (5) comprises a rotating block (51), a mounting bar (52) and a roller body (53); the rotating block (51) is rotatably arranged in the rotating groove (4), and the two ends of the rotating block (51) are connected to the finishing channel (3). A plurality of mounting strips (52) are fixedly provided at both ends of the rotating block (51), the mounting strips (52) are arranged one-to-one on both ends of the rotating block (51), the roller body (53) is provided with a plurality of mounting strips (52) arranged one-to-one on both ends of the roller body (53), and each roller body (53) can enter the finishing channel (3) or the rotating groove (4) as the rotating block (51) rotates; the frame is also provided with a driving part (6) for driving the rotating block (51) to rotate.

2. A drive roller set for a finishing mill according to claim 1, characterized in that: The mounting bar (52) is provided with a slide groove (521) arranged along the extending direction of the mounting bar (52), a connecting block (522) is slidably arranged in the slide groove (521), and the two ends of the roller body (53) are respectively rotatably arranged on the connecting blocks (522) on the two mounting bars (52) arranged in a one-to-one correspondence; an elastic member (7) is also provided in the slide groove (521), one end of the elastic member (7) acts on one end of the slide groove (521) close to the rotating block (51), and the other end of the elastic member (7) acts on the connecting block (522), and the connecting block (522) always slides in a direction away from the rotating block (51) under the action of the elastic member (7).

3. A driving roller set for a finishing mill according to claim 1, characterized in that: The left and right inner walls of the rotating groove (4) are arc surfaces (41) that can guide the roller bodies (53) to rotate. The left and right inner walls of the rotating groove (4) are also provided with limiting arc grooves (42) that can limit the positions of the remaining roller bodies (53) when one roller body (53) enters the finishing channel (3) and can fit the surfaces of the roller bodies (53). The limiting arc grooves (42) are provided in plurality and correspond one to one with the positions of the remaining roller bodies (53) when one roller body (53) enters the finishing channel (3). The groove edges of the limiting arc grooves (42) are also provided with first guiding surfaces (421) that are connected to the left and right inner walls of the rotating groove (4) and are used to guide the roller bodies (53) to enter the limiting arc grooves (42).

4. The driving roller set for a finishing mill according to claim 1, characterized in that: Rotating rods (511) are fixedly provided at both ends of the rotating block (51), and the rotating rods (511) are rotatably arranged on the front and rear side walls of the rotating groove (4) respectively; one of the rotating rods (511) on the two ends of the rotating block (51) passes through the rotating groove (4), and the rotating rod (511) passing through the rotating groove (4) is fixedly connected to the driving end of the driving part (6), and the rotating block (51) rotates when the driving part (6) drives the rotating rod (511) to rotate.

5. The driving roller set for a finishing mill according to claim 1, characterized in that: The rotating groove (4) is provided with an open groove (43) which is connected to the finishing channel (3) and can allow the roller body (53) to pass through, and the groove edge of the open groove (43) is provided with a second guiding surface (431) for guiding the roller body (53) located partially in the finishing channel (3) to enter the rotating groove (4) as the rotating block (51) rotates.

6. A driving roller set for a finishing mill according to claim 5, characterized in that: The second guide surface (431) is wrapped with a flexible layer (4311) for guiding and protecting the surface of the roller body (53), and a brush (4312) for cleaning the surface of the roller body (53) is fixedly provided on the flexible layer (4311).

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