CN205308961U - Rolling mill assembly - Google Patents

Abstract

The utility model discloses a rolling mill device, which comprises a worm shaft, on which a first worm wheel and a second worm wheel are meshed, and the first worm wheel is provided with a first worm shaft, and the second worm wheel is provided with a second worm shaft. The first worm gear shaft is connected to the upper roll shaft, and the second worm gear shaft is connected to the lower roll shaft. The rolling mill device also includes an adjustment mechanism, which is connected to the upper roll shaft. The adjustment mechanism includes a lead screw, and the movement of the lead screw can drive the upper roll shaft. Movement to change the distance between the upper roll axis and the lower roll axis. The rolling mill device of the utility model has a high degree of automatic adjustment, which eliminates the cumbersomeness of changing the gear pair when adjusting the distance between the upper roll shaft and the lower roll shaft in the traditional rolling mill; and the cost is low, the maintenance is convenient, and the assembly structure is simple.

Description

A rolling mill device

technical field

The utility model relates to a rolling mill device.

Background technique

The main purpose of the rolling mill is to roll flat plates, and it is an indispensable equipment for scientific research and experiments in scientific research institutions and universities. With the continuous improvement of my country's industrial development level, the use of some sheet metal in industry is becoming more and more common. In order to make the processed sheet metal meet the actual work needs in terms of shape and performance, special rolling equipment is required. , scientific research institutions and universities mostly use small rolling mills, but the technology of small rolling mills in my country is relatively backward compared with foreign countries. The current process of manufacturing rolling mills in my country is design, process writing, processing and manufacturing, commissioning and use. This process is time-consuming and expensive.

Contents of the invention

In view of the above-mentioned problems or defects in the prior art, the purpose of the present utility model is to provide a rolling mill device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A rolling mill device, comprising a worm shaft, on which a first worm wheel and a second worm wheel are engaged, the first worm wheel is provided with a first worm wheel shaft, the second worm wheel is provided with a second worm wheel shaft, the first worm wheel shaft is connected The upper roll shaft and the second worm gear shaft are connected to the lower roll shaft. The rolling mill device also includes an adjustment mechanism connected to the upper roll shaft. The adjustment mechanism includes a screw. The movement of the screw can drive the upper roll shaft to move to change the upper roll shaft. The distance between the axis and the axis of the lower roll.

Further, the rolling mill device further includes a bracket and a sliding mechanism. The sliding mechanism is connected to both the lead screw and the upper roll shaft, and the sliding mechanism can slide along the bracket.

Specifically, the adjustment mechanism includes a first adjustment mechanism and a second adjustment mechanism, both of which have the same structure; the sliding mechanism includes a left slider, a middle slider and a right slider, the first adjustment mechanism is connected to the middle slider, and the middle slider The slide block is connected with end a of the upper roll shaft, the second adjustment mechanism is connected with the right slide block, and the right slide block is connected with the b end of the upper roll shaft, and the end of the first worm gear shaft is movably arranged on the left slide block.

Specifically, both the first adjustment mechanism and the second adjustment mechanism include a rotation guide sleeve, the inside of the rotation guide sleeve is threaded to the screw, and the rotation guide sleeve is connected to the power mechanism; the screw in the first adjustment mechanism extends out and rotates The guide sleeve is connected to the middle slider, and the lead screw in the second adjustment mechanism extends out to rotate the guide sleeve to connect to the right slider.

Further, the bracket is provided with three guide rails, and the left slider, the middle slider and the right slider slide along the three guide rails respectively.

Specifically, the bracket includes an upper cover plate, a fixed sleeve is arranged on the upper cover plate, the rotating guide sleeve is arranged inside the fixed sleeve, and the end of the lead screw passes through the upper cover plate.

Specifically, the power mechanism includes a stepping motor, one end of the stepping motor is connected to the rotating guide sleeve, and the other end is connected to the motor controller.

Compared with the prior art, the utility model has the following technical effects:

1. Set up an adjustment mechanism to achieve the purpose of automatically adjusting the distance between the upper roll shaft and the lower roll shaft, and the adjustment mechanism does not interfere with the mechanism that drives the first worm gear shaft and the second worm gear shaft to rotate, so that this The utility model has a high degree of automatic adjustment of the rolling mill device, which eliminates the tediousness of changing the gear pair when adjusting the distance between the upper roll shaft and the lower roll shaft in the traditional rolling mill; and the cost is low, the maintenance is convenient, and the assembly structure is simple.

2. The power mechanism of the adjustment mechanism is controlled by the control device, which ensures that the rolling mill device of the present utility model has a high adjustment accuracy. The adjustment range of the rolling mill device of the present utility model is between 0 and 20 mm. Any rolling within this range The spacing can be realized by fine-tuning the upper roll axis.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the adjustment mechanism;

Fig. 3 is a side view of the utility model;

The symbols in the figure represent: 1—worm shaft, 2—the first worm gear, 3—the second worm gear, 4—the first worm gear shaft, 5—the second worm gear shaft, 6—the upper roll shaft, 7—the lower roll shaft, 8— Adjustment mechanism, 8-1—screw, 8-2—first adjustment mechanism, 8-3—second adjustment mechanism, 8-4—rotary guide sleeve, 9—bracket, 9-1—upper cover plate, 9- 2—fixed sleeve, 9-3—support web, 9-4—stepping motor support frame, 9-5—worm shaft support frame, 10—sliding mechanism, 10-1—left slider, 10-2—middle Slide block, 10-3—right slider, 11—pulley, 12—bearing, 13—common V belt, 14—electric motor, 15—stepper motor, 16—coupling.

The technical solutions of the present utility model are further explained and described in detail below in conjunction with the accompanying drawings and specific embodiments.

detailed description

According to the above-mentioned technical scheme, the rolling mill device of the present invention includes a worm shaft 1, on which a first worm wheel 2 and a second worm wheel 3 are meshed, and on the first worm wheel 2 is provided a first worm wheel shaft 4, and the second worm wheel 3 is provided with a second worm gear shaft 5, the first worm gear shaft 4 is connected to the upper roll shaft 6, the second worm gear shaft 5 is connected to the lower roll shaft 7, and the rolling mill device also includes an adjustment mechanism 8, which is connected to the upper roll shaft The shaft 6 and the adjustment mechanism 8 include a lead screw 8-1, and the movement of the lead screw 8-1 can drive the movement of the upper roll shaft 6 to change the distance between the upper roll shaft 6 and the lower roll shaft 7.

The specific working principle of the rolling mill device of the present utility model is: the worm shaft 1 is connected with the pulley 11, and the pulley 11 is connected with the motor 14 through the common V-belt 13, and the worm shaft 1 rotates under the action of the motor 14, because the worm shaft 1 and the first worm wheel 2 and the second worm gear 3 are both meshed, then the worm shaft 1 drives the first worm gear 2 and the second worm gear 3 to rotate at the same time, and at the same time drives the first worm gear shaft 4 and the second worm gear shaft 5 to rotate at the same time, because the first worm shaft 4 is connected to the upper roll shaft 7, and the second worm gear shaft 5 is connected to the lower roll shaft 7, then the upper roll shaft 6 and the lower roll shaft 7 rotate at the same time, realizing the continuous rolling of the sheet material; through the adjustment mechanism to realize the screw 8 -1 moves in the vertical direction, and then realizes the purpose of automatically adjusting the distance between the upper roll shaft 7 and the lower roll shaft 7, and the adjustment mechanism 8 and the mechanism that drives the first worm gear shaft 4 and the second worm gear shaft 5 to rotate Therefore, the adjustment process of the distance between the upper roll shaft 6 and the lower roll shaft 7 does not need to stop the rotation of the first worm gear shaft 4 and the second worm gear shaft 5, thereby making the rolling mill device of the present utility model automatic The degree of adjustment is high, eliminating the cumbersomeness of changing the gear pair when adjusting the distance between the upper roll shaft 6 and the lower roll shaft 7 in the traditional rolling mill; and the cost is low, the maintenance is convenient, and the assembly structure is simple.

Further, the rolling mill device further includes a bracket 9 and a sliding mechanism 10 , the sliding mechanism 10 is connected with the lead screw 8 - 1 and the upper roll shaft 6 , and the sliding mechanism 10 can slide along the bracket 9 .

Lead screw 8-1 moves along the vertical direction to drive sliding mechanism 10 to slide along support 9, because sliding mechanism 10 is connected with upper roller shaft 6, then upper roller shaft 6 can move along vertical direction conveniently, thereby realizes upper roller shaft 6 and The change of the lower roller shaft 7 spacing.

Specifically, the adjustment mechanism 8 includes a first adjustment mechanism 8-2 and a second adjustment mechanism 8-3, both of which have the same structure; the sliding mechanism 10 includes a left slider 10-1, a middle slider 10-2 and a The right slider 10-3, the first adjustment mechanism 8-2 connects the middle slider 10-2, the middle slider 10-2 connects the a end of the upper roll shaft 6, and the second adjustment mechanism 8-3 connects the right slider 10- 3. The right slider 10-3 is connected to end b of the upper roller shaft 6, and the end of the first worm gear shaft 4 is movably arranged on the left slider 10-1.

Wherein, the a end of the upper roll shaft 6 refers to an end where the upper roll shaft 6 is connected to the first worm gear shaft 4, and the b end of the upper roll shaft 6 refers to the other end of the upper roll shaft 6; the middle slide block 10 -2 is connected with the a end of the upper roll shaft 6 through the bearing 12, and the b end of the upper roll shaft 6 is connected with the right slider 10-3 through the bearing 12; the end of the first worm gear shaft 4 is connected with the left slider 10-1 Bearing 12 is connected.

The adjustment mechanism 8 can move in the vertical direction under the drive of the power mechanism, wherein the first adjustment mechanism 8-2 drives the middle slider 10-2 to move along the support 9, and the second adjustment mechanism 8-3 drives the right slider 10-3 Movement, because middle slide block 10-2 and right slide block 10-3 connect the two ends of upper roller shaft 6 respectively, and upper roll shaft 6 connects first worm gear shaft 4, so in middle slide block 10-1 and right slide block 10 Driven by -3, the upper roll shaft 6 and the first worm shaft 4 can move together in the vertical direction;

Specifically, the first adjustment mechanism 8-2 and the second adjustment mechanism 8-3 both include a rotating guide sleeve 8-4, and the inside of the rotating guide sleeve 8-4 is threaded to the screw 8-1, and the rotation guide sleeve 8-4 is connected to the power mechanism; the lead screw 8-1 in the first adjustment mechanism 8-2 extends out of the rotating guide sleeve 8-4 to connect the middle slider 10-2, and the lead screw in the second adjustment mechanism 8-3 8-1 stretches out the rotating guide sleeve 8-4 to connect the right slider 10-3. The support 9 includes an upper cover plate 9-1, the upper cover plate 9-1 is provided with a fixed sleeve 9-2, and the fixed sleeve 9-2 is movably provided with the described rotating guide sleeve 8-4, and the fixed sleeve 9-2 A bearing 12 is arranged between the rotating guide sleeve 8-4, and the end of the screw 8-1 passes through the upper cover plate 9-1.

The power mechanism adopts a stepper motor 15, and the stepper motor 15 is connected with the rotating guide sleeve 8-4 through a shaft coupling 16, and simultaneously starts two steps in the first adjustment mechanism 8-2 and the second adjustment mechanism 8-3. Into the motor 15, the rotating guide sleeve 8-4 rotates, wherein the fixed sleeve 9-2 is used to limit the position of the rotating guide sleeve 8-4, to ensure that the rotating guide sleeve 8-4 can be on the top of the upper cover plate 9-1 along its own axis Rotation; because the rotating guide sleeve 8-4 does not undergo vertical displacement during the rotation process, and the screw 8-1 is threaded inside the rotating guide sleeve 8-4, therefore, when the rotating guide sleeve 8- 4 When rotating, the leading screw 8-1 is displaced along the vertical direction, thereby driving the middle slide block 10-2 and the right slide 10-3 to move along the vertical direction at the same time, realizing the movement of the upper roller shaft 6 along the vertical direction. Further, the two stepping motors 15 are connected to a motor controller, and the rotation of the stepping motor 15 can be accurately controlled by the motor controller. The above-mentioned adjustment mechanism 8 realizes the automatic adjustment of the distance between the upper roll shaft 6 and the lower roll shaft 7, which avoids the tedious manual adjustment. The adjustment range of the device is between 0 and 20 mm, and any rolling spacing within this range can be realized by fine-tuning the upper roller shaft 6 .

Further, the bracket 9 is provided with three guide rails, and the left slider 10-1, the middle slider 10-2 and the right slider 10-3 slide along the three guide rails respectively. The guide rail plays a guiding role for the movement of the left slider 10-1, the middle slider 10-2 and the right slider 10-3, so as to ensure that the upper roller shaft 6 can move stably along the vertical direction.

The support 9 includes a support web 9-3, and the support web 9-3 is vertically arranged below the upper cover plate 9-1, and the middle slider 10-2 and the right slide in the three guide rails The two rails corresponding to the block 10-3 are arranged on the supporting web 9-3.

Specifically, the upper cover plate 9-1 is also provided with a stepping motor support frame 9-4, the two stepping motors 15 are supported above the stepping motor support frame 9-4, and the stepping motor support frame 9 -4 internally set the above-mentioned fixing sleeve 9-2. The support 9 also includes a worm shaft support frame 9-5, and a guide rail corresponding to the left slider 10-1 is arranged on the worm shaft support frame 9-5, and the two ends of the worm shaft 1 are installed on the worm shaft through bearings 12. On the shaft support frame 9-5.

Claims (7)

1. A rolling mill device, comprising a worm shaft (1), the first worm wheel (2) and the second worm wheel (3) are meshed on the worm shaft (1), and the first worm wheel (2) is provided with the first worm wheel shaft (4), the second worm gear (3) is provided with a second worm shaft (5), the first worm shaft (4) is connected to the upper roll shaft (6), and the second worm shaft (5) is connected to the lower roll shaft (7) , it is characterized in that, the rolling mill device also includes an adjustment mechanism (8), the adjustment mechanism (8) is connected to the upper roll shaft (6), the adjustment mechanism (8) includes a lead screw (8-1), the lead screw (8 -1) The movement can drive the upper roll shaft (6) to move to change the distance between the upper roll shaft (6) and the lower roll shaft (7). 2. The rolling mill device according to claim 1, characterized in that, the rolling mill device further comprises a bracket (9) and a sliding mechanism (10), and the sliding mechanism (10) is connected to the lead screw (8-1) It is connected with the upper roller shaft (6), and the sliding mechanism (10) can slide along the support (9). 3. The rolling mill device according to claim 2, characterized in that, the adjustment mechanism (8) comprises a first adjustment mechanism (8-2) and a second adjustment mechanism (8-3), both of which have the same structure; The sliding mechanism (10) includes a left slider (10-1), a middle slider (10-2) and a right slider (10-3), and the first adjustment mechanism (8-2) connects the middle slider (10- 2), the middle slider (10-2) is connected to end a of the upper roll shaft (6), the second adjustment mechanism (8-3) is connected to the right slider (10-3), and the right slider (10-3) is connected to The b end of the upper roll shaft (6), the end of the first worm gear shaft (4) is movably arranged on the left slide block (10-1). 4. The rolling mill device according to claim 3, characterized in that, both the first adjustment mechanism (8-2) and the second adjustment mechanism (8-3) include a rotating guide sleeve (8-4), and the rotating guide The inside of the sleeve (8-4) is threadedly connected to the lead screw (8-1), and the rotating guide sleeve (8-4) is connected to the power mechanism; the lead screw (8-1) in the first adjustment mechanism (8-2) Extend the rotating guide sleeve (8-4) to connect the middle slide block (10-2), and the lead screw (8-1) in the second adjustment mechanism (8-3) protrudes from the rotating guide sleeve (8-4) Connect the right slider (10-3). 5. The rolling mill device according to claim 3, characterized in that, said support (9) is provided with three guide rails, said left slider (10-1), middle slider (10-2) and right slider Blocks (10-3) slide along three guide rails respectively. 6. The rolling mill device according to claim 4, characterized in that, the support (9) comprises an upper cover plate (9-1), and a fixed sleeve (9-2) is arranged on the upper cover plate (9-1) , the rotating guide sleeve (8-4) is arranged in the fixed sleeve (9-2), and the end of the lead screw (8-1) passes through the upper cover plate (9-1). 7. The rolling mill device according to claim 4, characterized in that, the power mechanism comprises a stepper motor (15), one end of the stepper motor (15) is connected to the rotating guide sleeve (8-4), and the other end is connected to Motor Controller.