Valve rod straightening machine
By introducing a linkage mechanism into the valve stem straightener, the synchronous rotation of the screw is achieved using a rack and pinion plate and gears, which solves the problems of cumbersome operation and inconsistent straightening roller positions in the existing technology, thus improving the straightening effect and ease of operation.
Patent Information
- Application Number
- CN202520067592.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The existing valve stem straightening machine is cumbersome to operate, and the position adjustment of the straightening rollers is inconsistent, which affects the straightening effect.
The system employs a linkage mechanism, using multiple sets of racks and gears as a medium to synchronously rotate multiple sets of screws, thereby achieving unified control of the screws, simplifying operation, and improving synchronization.
Synchronous movement of the straightening rollers was achieved, improving the uniformity of the straightening effect and the ease of operation.
Smart Images
Figure CN223669931U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to valve rod straightening technical field, concretely is a valve rod straightening machine. BACKGROUND
[0002] Valve rod is the important part of valve, is used for transmission, connects the executive mechanism or handle above, directly drives the valve core to move or rotate below, to realize the valve switch or adjustment effect, and the valve rod needs to be kept during processing, in the manufacturing process of valve, the valve rod as the important transmission part of valve, its quality and precision requirement are very high.
[0003] The existing valve rod straightening machine is pressed to valve rod through two groups or multiple groups of straightening rollers, so that valve rod bears multi-angle pressure and is straightened.
[0004] The straightening roller of the existing valve rod straightening machine is fixed position, and the other group is movable straightening roller, the position of straightening roller is adjusted through screw and sliding block cooperation, so that the valve rod of multiple different diameters is straightened, but each straightening roller is adjusted by single screw, in the operation process, the operator needs to rotate multiple screws to adjust the straightening diameter of straightening roller, the operation process is complicated, and at the same time, different straightening rollers can be deviated in the adjustment process, which affects the straightening effect, therefore, we propose a valve rod straightening machine. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problem to overcome the existing defects, provides a valve rod straightening machine, through linkage mechanism, multiple groups of rack plates and gears are used as medium to rotate multiple screws synchronously, so that the rotation degree of each screw is consistent, the operator does not need to control multiple screws singly, the operation process is simple and the synchronization is high, the movement of straightening roller is kept synchronous, the straightening effect of each group of straightening roller is uniform, the straightening effect is good, and the problems in the background art can be effectively solved.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a valve rod straightening machine, including the frame, the upper surface of the frame is fixedly connected with the mounting bracket, the inside of mounting bracket is rotatably connected with the screw that is evenly distributed on both sides, the inside of frame is rotatably connected with the transmission rod one that is evenly distributed, the outer surface of transmission rod one is fixedly connected with the concave pressure roller, and it further includes linkage mechanism.
[0007] Linkage mechanism: it includes gear one, gear two, rack plate and sliding plate, gear one is rotatably connected to the upper side of the inside of the mounting frame, the upper end of the screw rod is fixedly connected with gear two, the inside of the upper side of the mounting frame is slidably connected with symmetrically distributed sliding plates, the front and rear surfaces of the sliding plates are fixedly connected with rack plates, the rack plates located inside the two sliding plates are meshingly connected with gear one, the rack plates located outside the two sliding plates are meshingly connected with gear two, through the linkage mechanism, a plurality of screw rods are synchronously rotated through a plurality of rack plates and gears as media, so that the rotating degrees of each screw rod are consistent, the operator does not need to singly regulate and control a plurality of screw rods, the operation process is simple and the synchronism is high, the movement of the straightening rollers is kept synchronous, the straightening effect of each group of straightening rollers is uniform, and the straightening effect is better.
[0008] Further, the front surface of the rack is fixedly connected with a control switch group, the input end of the control switch group is electrically connected with an external power supply, and the control switch group controls the operation of the electrical appliance.
[0009] Further, the inside of the mounting frame is provided with mounting grooves on the front and rear sides, the lower end of the screw rod is threadedly connected with a sliding block, the left and right surfaces of the sliding block are slidably connected to the inner walls of the vertically adjacent mounting grooves, a transmission rod two is rotatably connected between two longitudinally adjacent sliding blocks, the outer surface of the transmission rod two is fixedly connected with a convex roller, and the convex rollers are located directly above the vertically adjacent concave rollers respectively, and the height of the convex roller is adjusted to adapt to valve rods of different diameters.
[0010] Further, the upper surface of the mounting frame is fixedly connected with a motor two, the lower end of the output shaft of the motor two is fixedly connected with the upper surface of the gear one, the input end of the motor two is electrically connected with the output end of the control switch group, and the motor two provides driving force.
[0011] Further, the front end of the transmission rod one is fixedly connected with a double-row chain wheel one, the two double-row chain wheels one are transmissionally connected through a chain between the two double-row chain wheels one, the front surface of the mounting frame is rotatably connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a double-row chain wheel two, the double-row chain wheel two and the rightmost double-row chain wheel one are also transmissionally connected through a chain, and the double-row chain wheel two transmits driving force.
[0012] Further, the front surface of the mounting frame is fixedly connected with a motor one, the rear end of the output shaft of the motor one is fixedly connected with the front end of the rotating shaft, the input end of the motor one is electrically connected with the output end of the control switch group, and the motor one provides driving force.
[0013] Further, the lower surface of the rack is fixedly connected with uniformly distributed support columns, and the lower end of the support column is threadedly connected with a supporting leg.
[0014] Compared with the prior art, the valve rod straightening machine has the following advantages:
[0015] Through the linkage mechanism, a plurality of screw rods are synchronously rotated through a plurality of groups of rack plates and gears as media, so that the rotating degrees of each screw rod are consistent, the plurality of screw rods do not need to be controlled by an operator, the operation process is simple and the synchronism is high, the movement of the straightening rollers is kept synchronous, the straightening effect of each group of straightening rollers is uniform, and the straightening effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structure schematic view of the utility model
[0017] Fig. 2 It is a sectional structure schematic view of the utility model.
[0018] In the figure: 1 frame, 2 control switch group, 3 motor one, 4 motor two, 5 linkage mechanism, 51 gear one, 52 gear two, 53 rack plate, 54 sliding plate, 6 screw rod, 7 sliding block, 8 convex pressure roller, 9 concave pressure roller, 10 mounting frame, 11 double-row sprocket one, 12 chain, 13 double-row sprocket two, 14 support column, 15 support leg. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figs. 1-2The embodiment provides a technical scheme: a valve rod straightening machine, which comprises a rack 1, the upper surface of the rack 1 is fixedly connected with a mounting rack 10, the inside of the mounting rack 10 is rotatably connected with uniformly distributed screw rods 6 (the pitches of the screw rods 6 located at the front side and the rear side are same and the thread directions thereof are opposite) on the front side and the rear side, the inside of the mounting rack 10 is provided with mounting grooves on the front side and the rear side, the lower ends of the screw rods 6 are all threadedly connected with sliding blocks 7, the left and right surfaces of the sliding blocks 7 are all slidably connected to the inner walls of vertically adjacent mounting grooves, transmission rods two are rotatably connected between two vertically adjacent sliding blocks 7, convex pressure rollers 8 are fixedly connected to the outer surfaces of the transmission rods two, the convex pressure rollers 8 are located above vertically adjacent concave pressure rollers 9 respectively, the valve rod is placed between the vertically adjacent convex pressure roller 8 and the concave pressure roller 9 located at the rightmost side, the inside of the rack 1 is rotatably connected with uniformly distributed transmission rods one, the outer surfaces of the transmission rods one are all fixedly connected with the concave pressure rollers 9, the front ends of the transmission rods one are all fixedly connected with double-row chain wheels one 11, two double-row chain wheels one 11 located horizontally adjacent to each other are all transmissionally connected through a chain 12, a rotating shaft is rotatably connected to the right side of the front surface of the mounting rack 10, double-row chain wheels two 13 are fixedly connected to the outer surface of the rotating shaft, the double-row chain wheels one 11 and the double-row chain wheels two 13 are all formed by two chain wheels with coincident central axes, the double-row chain wheels two 13 and the double-row chain wheels one 11 located at the rightmost side are also transmissionally connected through the chain 12, a control switch group 2 is fixedly connected to the front surface of the rack 1, the input end of the control switch group 2 is electrically connected with an external power supply, a motor one 3 is fixedly connected to the front surface of the mounting rack 10, the rear end of the output shaft of the motor one 3 is fixedly connected with the front end of the rotating shaft, the input end of the motor one 3 is electrically connected with the output end of the control switch group 2, the control switch group 2 is operated, the motor one 3 is started, the output shaft of the motor one 3 rotates to drive the rotating shaft to rotate, the double-row chain wheels two 13 are rotated, the double-row chain wheels one 11 are rotated through the chain 12, the transmission rods one are driven to rotate, the concave pressure rollers 9 are rotated, and the valve rod is driven to move to the left, the valve rod is extruded by multiple groups of vertically adjacent concave pressure rollers 9 and convex pressure rollers 8 when moving to the left, so that the valve rod is straightened, the lower surfaces of the rack 1 are fixedly connected with uniformly distributed support columns 14, the lower ends of the support columns 14 are all threadedly connected with supporting legs 15, and the valve rod straightening machine further comprises a linkage mechanism 5.
[0021] Linkage mechanism 5: it includes gear one 51, gear two 52, rack plate 53 and sliding plate 54, gear one 51 is rotatably connected to the upper side of the inside of mounting frame 10, the upper end of screw rod 6 is fixedly connected with gear two 52, the inside of the upper side of mounting frame 10 is slidably connected with symmetrically distributed sliding plate 54, the front and back surfaces of sliding plate 54 are fixedly connected with rack plate 53, the rack plate 53 located inside the two sliding plate 54 is rotatably connected with gear one 51, the rack plate 53 located outside the two sliding plate 54 is rotatably connected with gear two 52, the upper surface of mounting frame 10 is fixedly connected with motor two 4, the lower end of the output shaft of motor two 4 is fixedly connected with the upper surface of gear one 52, the input end of motor two 4 is electrically connected with the output end of control switch group 2, the control switch group 2 is operated, motor two 4 is started, the output shaft of motor two 4 rotates to drive gear one 51 to rotate, drives the rack plate 53 close to the inside of the two sliding plate 54 to move oppositely, drives the two sliding plate 54 to move oppositely, makes the rack plate 53 close to the outside of the two sliding plate 54 move oppositely, makes gear two 52 rotate, drives screw rod 6 to rotate, makes sliding block 7 slide downward in the mounting groove, drives transmission rod two to move downward, makes convex pressure roller 8 move downward, thereby the valve rod is pressed tightly.
[0022] The working principle of the valve rod straightening machine is as follows: when the valve rod is straightened by using the valve rod straightening machine, the valve rod is placed between the vertically adjacent convex pressure roller 8 and concave pressure roller 9 on the rightmost side, the control switch group 2 is operated, motor two 4 is started, the output shaft of motor two 4 rotates to drive gear one 51 to rotate, drives the rack plate 53 close to the inside of the two sliding plate 54 to move oppositely, drives the two sliding plate 54 to move oppositely, makes the rack plate 53 close to the outside of the two sliding plate 54 move oppositely, makes gear two 52 rotate, drives screw rod 6 to rotate, makes sliding block 7 slide downward in the mounting groove, drives transmission rod two to move downward, makes convex pressure roller 8 move downward, thereby the valve rod is pressed tightly, the control switch group 2 is operated, motor one 3 is started, the output shaft of motor one 3 rotates to drive the rotating shaft to rotate, makes double-row sprocket wheel two 13 rotate, makes double-row sprocket wheel one 11 rotate through chain 12, drives transmission rod one to rotate, makes concave pressure roller 9 rotate, thereby drives the valve rod to move left, the valve rod is extruded by a plurality of vertically adjacent concave pressure rollers 9 and convex pressure rollers 8 when moving left, thereby the valve rod is straightened.
[0023] It is worth noting that the motor one 3 selected in the above embodiment is PL18-0100-50C, the motor two 4 selected is ECMC-FW1313SS, and the control switch group 2 is provided with control buttons corresponding to the motor one 3 and the motor two 4 and used for controlling the operation of the motor one 3 and the motor two 4.
[0024] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A valve stem straightening machine, comprising a frame (1), wherein a mounting frame (10) is fixedly connected to the upper surface of the frame (1), and screws (6) are rotatably connected to both the front and rear sides of the mounting frame (10), and transmission rods (9) are rotatably connected to the inside of the frame (1), wherein concave pressure rollers (9) are fixedly connected to the outer surface of the transmission rods (9), characterized in that: It also includes the linkage mechanism (5); Linkage mechanism (5): It includes gear one (51), gear two (52), rack plate (53) and sliding plate (54). Gear one (51) is rotatably connected to the upper inside of the mounting frame (10). Gear two (52) is fixedly connected to the upper end of the screw (6). Sliding plates (54) are symmetrically distributed and slidably connected to the upper inside of the mounting frame (10). Rack plates (53) are fixedly connected to the front and rear surfaces of the sliding plates (54). The rack plates (53) located inside the two sliding plates (54) are meshed with gear one (51), and the rack plates (53) located outside the two sliding plates (54) are meshed with gear two (52).
2. A valve stem straightening machine according to claim 1, characterized in that: The front surface of the frame (1) is fixedly connected to a control switch group (2), and the input end of the control switch group (2) is electrically connected to an external power source.
3. A valve stem straightening machine according to claim 1, characterized in that: The mounting bracket (10) has mounting grooves on both the front and rear sides inside. The lower end of the screw (6) is threaded with a slider (7). The left and right surfaces of the slider (7) are slidably connected to the inner wall of the vertically adjacent mounting groove. A transmission rod 2 is rotatably connected between two vertically adjacent sliders (7). A convex pressure roller (8) is fixedly connected to the outer surface of the transmission rod 2. The convex pressure roller (8) is located directly above the vertically adjacent concave pressure roller (9).
4. A valve stem straightening machine according to claim 2, characterized in that: The upper surface of the mounting bracket (10) is fixedly connected to the second motor (4). The lower end of the output shaft of the second motor (4) is fixedly connected to the upper surface of the first gear (51). The input end of the second motor (4) is electrically connected to the output end of the control switch group (2).
5. A valve stem straightening machine according to claim 2, characterized in that: The front end of each transmission rod is fixedly connected to a double-row sprocket (11). The two adjacent double-row sprockets (11) are connected by a chain (12). The right side of the front surface of the mounting bracket (10) is rotatably connected to a shaft. The outer surface of the shaft is fixedly connected to a double-row sprocket (13). The double-row sprocket (13) is also connected to the rightmost double-row sprocket (11) by a chain (12).
6. A valve stem straightening machine according to claim 5, characterized in that: The front surface of the mounting bracket (10) is fixedly connected to a motor (3). The rear end of the output shaft of the motor (3) is fixedly connected to the front end of the rotating shaft. The input end of the motor (3) is electrically connected to the output end of the control switch group (2).
7. A valve stem straightening machine according to claim 1, characterized in that: The lower surface of the frame (1) is fixedly connected with evenly distributed support columns (14), and the lower ends of the support columns (14) are threaded with support feet (15).