Structure for rapidly adjusting gap between rollers of forming machine

Abstract

The utility model discloses a structure for quickly adjusting a gap between rollers of a forming machine, which comprises a rack main body, a side roller supporting seat is arranged on the rack main body in a sliding manner, a lower roller shaft and an upper roller shaft are arranged on the side roller supporting seat, a plurality of adjusting grooves are formed in the side roller supporting seat, and an adjusting plate is arranged on the side roller supporting seat at the upper parts of the adjusting grooves; an adjusting seat is arranged on the upper portion of the adjusting plate, an adjusting lead screw is rotationally installed on the adjusting seat, the lower end of the adjusting lead screw is rotationally connected with the upper roller shaft, an up-down transmission shaft is arranged on the upper portion of the side roller supporting seat, an adjusting worm gear is arranged on the adjusting lead screw in the adjusting seat, and a worm section matched with the adjusting worm gear is arranged on the up-down transmission shaft in the adjusting seat. And up-down motors in power connection with the up-down transmission shafts are arranged at the upper parts of the side roller supporting seats. According to the device, the space between the side rollers of the forming unit can be automatically adjusted, the adjusting position can be accurately grasped, and the machining efficiency and effect of the forming unit are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal forming processing, and particularly relates to a structure for quickly adjusting the roll gap of a forming machine. Background Technique

[0002] Machines for cold pressing and forming metal materials are mainly applicable to various stamping processes such as stretching, blanking, bending, flanging, cold extrusion, etc. of metal materials, as well as the pressing and forming of press fitting, powder products, metal products and plastic products.

[0003] In the existing metal cold pressing and forming unit, during the cold pressing and forming process of metal workpieces, the adjustment of the side roll spacing and the up and down distance on both sides of the frame body is usually manually operated. This is not only time-consuming and laborious, but also has a low adjustment accuracy, and is not suitable for the precise processing of workpieces by the forming machine. In view of this, we propose a structure for quickly adjusting the roll gap of a forming machine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a structure for quickly adjusting the roll gap of a forming machine, so as to solve the problems in the above-mentioned background technique that during the cold pressing and forming process of metal workpieces, the adjustment of the side roll spacing and the up and down distance on both sides of the frame body is usually manually operated, which is not only time-consuming and laborious, but also has a low adjustment accuracy, and is not suitable for the precise processing of workpieces by the forming machine.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A structure for quickly adjusting the roll gap of a forming machine, including a frame body, on which a side roll support seat is slidably installed. The side roll support seats are symmetrically arranged on both sides of the frame body in the front and back directions. A number of forming roll groups are provided on the side roll support seats. The forming roll groups include a lower roll shaft and an upper roll shaft arranged in sequence from bottom to top. The lower roll shaft is rotatably installed on the side roll support seat, and the upper roll shaft can move up and down on the side roll support seat. An adjusting plate is provided on the upper part of the side roll support seat, and an adjusting seat is provided on the upper part of the adjusting plate. An adjusting screw rod is rotatably installed on the adjusting seat. The lower end of the adjusting screw rod is rotatably connected to the upper roll shaft. An up and down transmission shaft is provided on the upper part of the side roll support seat. The up and down transmission shaft is cooperatively connected with the adjusting screw rod through the adjusting seat. An up and down motor is also provided on the upper part of the side roll support seat and is power-connected to the up and down transmission shaft.

[0006] As an improved technical solution, an adjusting worm gear is screwed on the adjusting screw rod in the adjusting seat, and a worm gear section cooperating with the adjusting worm gear is provided on the up and down transmission shaft in the adjusting seat.

[0007] As an improved technical solution, the adjusting seat includes a lead screw seat, and an adjusting lead screw is fitted and installed on the lead screw seat. The lower part of the lead screw seat is fixedly installed on the adjusting plate through a positioning seat. A worm sleeve is provided on one side of the lead screw seat, and the worm sleeve is sleeved on the worm section.

[0008] As an improved technical solution, a plurality of adjusting grooves are formed on the side roller support seat. Forming wheels are provided at the inner ends of the lower roller shaft and the upper roller shaft. The outer end of the lower roller shaft is rotatably installed on the side roller support seat. A rotating seat is provided at the outer end of the upper roller shaft. The rotating seat slides on the adjusting groove, and the upper part of the rotating seat is rotatably connected to the lower end of the adjusting lead screw.

[0009] As an improved technical solution, the side roller support seat includes front and rear support plates. The adjusting grooves are formed on the support plates. A transmission gear is provided on the lower roller shaft arranged between the support plates.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] The power output shaft of the upper and lower motors rotates to drive the upper and lower transmission shafts to rotate. The rotation of the upper and lower transmission shafts drives the adjusting lead screw to rotate. The rotation of the adjusting lead screw realizes the position adjustment of the adjusting lead screw on the adjusting plate. The movement of the adjusting lead screw drives the up and down movement of the upper roller shaft. The front and rear adjusting mechanism drives the side roller support seats to move towards each other, so as to adjust the front and rear distance between the side roller support seats. Since it is synchronous, the distance adjustment between the upper roller shaft and the lower roller shaft is synchronous, without manual adjustment operation, and the automation degree is high. To sum up, this solution can not only automatically adjust the side roller spacing of the forming unit, but also accurately grasp the adjusted position, improving the processing efficiency and effect of the forming unit. Description of the Drawings

[0012] Figure 1 is a three-dimensional schematic diagram of the structure of the present utility model;

[0013] Figure 2 is a schematic diagram of the structure of the present utility model in the top view direction;

[0014] Figure 3 is Figure 1 the internal structure schematic diagram of the adjusting seat;

[0015] In the figure: 1. Frame body, 2. Side roller support seat, 3. Lower roller shaft, 4. Upper roller shaft, 5. Adjusting groove, 6. Adjusting plate, 7. Adjusting seat, 8. Adjusting lead screw, 9. Upper and lower transmission shafts, 10. Adjusting worm gear, 11. Worm section, 12. Upper and lower motors, 13. Support plate, 14. Rotating seat. Detailed Embodiment

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0017] This application mainly aims to improve the problem that in the existing cold pressing and forming process of metal workpieces, the adjustment of the side roller spacing on both sides of the frame body 1 is usually manually operated, which is not only time-consuming and laborious, but also has low adjustment accuracy and is not suitable for the precise processing of workpieces by the forming machine.

[0018] Refer to Figures 1-3 As shown in the figure, the present utility model provides a technical solution: a structure for quickly adjusting the roll gap of a forming machine, including a frame body 1, on which a side roller support seat 2 is slidably installed. The side roller support seats 2 are symmetrically arranged on both sides of the frame body 1 in the front and rear directions. The frame body 1 is provided with a front and rear adjustment mechanism for driving the side roller support seats 2 to move towards each other. The side roller support seats 2 are provided with a plurality of forming roll groups. The forming roll groups include a lower roll shaft 3 and an upper roll shaft 4 arranged in sequence from bottom to top. The lower roll shaft 3 is rotatably installed on the side roller support seat 2. A plurality of adjustment slots 5 are opened on the side roller support seat 2. The side roller support seat 2 includes a front and rear support plate 13, and the adjustment slots 5 are opened on the support plate 13. The lower roll shaft 3 is rotatably installed on the support plate 13 at the lower part of the adjustment slot 5. A transmission gear is provided on the lower roll shaft 3 arranged between the support plates 13. The upper roll shaft 4 includes a rotating seat 14, and the rotating seat 14 is slidably installed on the adjustment slot 5. The rotating seat 14 is rotatably connected to the adjustment screw rod 8. The upper roll shaft 4 can move up and down in the adjustment slot 5. An adjustment plate 6 is provided on the side roller support seat 2 at the upper part of the adjustment slot 5. An adjustment seat 7 is provided on the upper part of the adjustment plate 6. An adjustment screw rod 8 is rotatably installed on the adjustment seat 7. The lower end of the adjustment screw rod 8 is rotatably connected to the upper roll shaft 4. An upper and lower transmission shaft 9 is provided on the upper part of the side roller support seat 2. An adjustment worm wheel 10 is provided on the adjustment screw rod 8 in the adjustment seat 7. A worm section 11 that cooperates with the adjustment worm wheel 10 is provided on the upper and lower transmission shaft 9 in the adjustment seat 7. The adjustment seat 7 includes a screw rod seat, and the adjustment screw rod 8 is fitted and installed on the screw rod seat. The lower part of the screw rod seat is fixedly installed on the adjustment plate 6 through a positioning seat. A worm sleeve is provided on one side of the screw rod seat, and the worm sleeve is sleeved on the worm section 11. An upper and lower motor 12 that is power-connected to the upper and lower transmission shaft 9 is also provided on the upper part of the side roller support seat 2.

[0019] The front and rear adjustment mechanism includes an adjustment frame disposed between the side roller support seats 2. A plurality of transmission boxes are spaced apart on the adjustment frame. A transmission screw is rotatably installed on the transmission box, and the end of the transmission screw is rotatably connected to the side roller support seat 2. The adjacent transmission boxes are power-connected by a front and rear transmission shaft. A front and rear motor is power-connected to one of the front and rear transmission shafts at the outer end. The transmission box includes a box body. A first bevel gear and a second bevel gear that cooperate with each other are provided in the box body. The first bevel gear is sleeved on the end of the transmission screw disposed inside the transmission box body, and the second bevel gear is sleeved on the front and rear transmission shaft disposed inside the transmission box body. The first bevel gear and the second bevel gear mesh with each other. Thus, the adjacent side roller support seats 2 move inward or outward simultaneously, without manual adjustment operation, and the automation degree is high. The transmission box can convert the transmission of the front and rear motors into the power to drive the side roller support seats 2 to move towards each other. The power output shaft of the front and rear motors drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the rotation of the first bevel gear drives the transmission screw to rotate, and the rotation of the transmission screw drives the side roller support seats 2 to move towards each other, so as to adjust the front and rear distance between the side roller support seats 2. A guiding slide rail is provided on the upper end surface of the frame body 1. The axial direction of the guiding slide rail is perpendicular to the conveying direction of the profile. A sliding seat is slidably connected to the guiding slide rail, and the sliding seat is fixedly installed on the lower end surface of the side roller support seat 2. The guiding slide rail can provide a connection fulcrum for the side roller support seat 2, and at the same time, the side roller support seat 2 can move on the guiding slide rail.

[0020] When the present utility model is in use, the power output shaft of the upper and lower motor 12 rotates to drive the upper and lower transmission shaft 9 to rotate. The rotation of the upper and lower transmission shaft 9 drives the worm section 11 to rotate. The rotation of the worm section 11 drives the adjusting worm gear 10 to rotate. The rotation of the adjusting worm gear 10 drives the adjusting screw rod 8 to rotate. The rotation of the adjusting screw rod 8 realizes the position adjustment of the adjusting screw rod 8 on the adjusting plate 6. The movement of the adjusting screw rod 8 drives the up-and-down movement of the upper roller shaft 4. The transmission box can convert the transmission of the front and rear motors into the power to drive the side roller support seats 2 to move towards each other. The power output shaft of the front and rear motors drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the rotation of the first bevel gear drives the transmission screw to rotate, and the rotation of the transmission screw drives the side roller support seats 2 to move towards each other, so as to adjust the front and rear distance between the side roller support seats 2. Since it is synchronous, the distance adjustment between the upper roller shaft 4 and the lower roller shaft 3 is synchronous, without manual adjustment operation, and the automation degree is high; the setting of the front and rear adjustment mechanism enables the adjacent side roller support seats 2 to move inward or outward simultaneously, without manual adjustment operation, and the automation degree is high; in summary, this solution can not only automatically adjust the side roller spacing of the forming unit, but also accurately grasp the adjusted position, improving the processing efficiency and effect of the forming unit.

[0021] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A structure for quickly adjusting the roll gap of a forming machine, characterized in that: It includes a frame body (1), on which a side roller support seat (2) is slidably mounted. The side roller support seats (2) are symmetrically arranged on both sides of the frame body (1) in the front-back direction. A number of forming roller groups are provided on the side roller support seats (2). The forming roller group includes a lower roller shaft (3) and an upper roller shaft (4) arranged in sequence from bottom to top. The lower roller shaft (3) is rotatably mounted on the side roller support seat (2), and the upper roller shaft (4) can move up and down on the side roller support seat (2). An adjusting plate (6) is provided on the upper part of the side roller support seat (2), and an adjusting seat (7) is provided on the upper part of the adjusting plate (6). An adjusting screw rod (8) is rotatably mounted on the adjusting seat (7). The lower end of the adjusting screw rod (8) is rotatably connected to the upper roller shaft (4). An up-down transmission shaft (9) is provided on the upper part of the side roller support seat (2), and the up-down transmission shaft (9) is cooperatively connected with the adjusting screw rod (8) through the adjusting seat (7). An up-down motor (12) power-connected to the up-down transmission shaft (9) is also provided on the upper part of the side roller support seat (2).

2. The structure for quickly adjusting the roll gap of a molding machine according to claim 1, wherein: An adjusting worm gear (10) is screwed on the adjusting screw rod (8) in the adjusting seat (7), and a worm segment (11) cooperating with the adjusting worm gear (10) is provided on the up-down transmission shaft (9) in the adjusting seat (7).

3. The structure for quickly adjusting the roll gap of a molding machine according to claim 2, characterized in that: The adjusting seat (7) includes a screw rod seat. The adjusting screw rod (8) is cooperatively installed on the screw rod seat. The lower part of the screw rod seat is fixedly installed on the adjusting plate (6) through a positioning seat. A worm sleeve is provided on one side of the screw rod seat, and the worm sleeve is sleeved on the worm segment (11).

4. A structure for quickly adjusting the roll gap of a molding machine according to claim 1, characterized in that: A number of adjusting grooves (5) are formed on the side roller support seat (2). Forming wheels are provided at the inner ends of the lower roller shaft (3) and the upper roller shaft (4). The outer end of the lower roller shaft (3) is rotatably mounted on the side roller support seat (2). A rotating seat (14) is provided at the outer end of the upper roller shaft (4), and the rotating seat (14) slides on the adjusting groove (5). The upper part of the rotating seat is rotatably connected to the lower end of the adjusting screw rod (8).

5. A structure for quickly adjusting the roll gap of a molding machine according to claim 4, characterized in that: The side roller support seat (2) includes a front and rear support plate (13). The adjusting groove (5) is formed on the support plate (13). A transmission gear is provided on the lower roller shaft (3) arranged between the support plates (13).

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