CN217798185U - Valve rod straightening device - Google Patents
Valve rod straightening device Download PDFInfo
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- CN217798185U CN217798185U CN202221887234.9U CN202221887234U CN217798185U CN 217798185 U CN217798185 U CN 217798185U CN 202221887234 U CN202221887234 U CN 202221887234U CN 217798185 U CN217798185 U CN 217798185U
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- supporting
- driving mechanism
- wheel
- pinch roller
- pivot
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Abstract
The utility model belongs to the field of valve accessory manufacturing, and particularly relates to a valve rod straightening device, which comprises a frame, two groups of supporting wheel assemblies, a group of pinch roller assemblies, a lifting driving mechanism and a rotating driving mechanism, wherein the two groups of supporting wheel assemblies, the group of pinch roller assemblies, the lifting driving mechanism and the rotating driving mechanism are arranged on the frame; a plurality of first rollers which are arranged at certain intervals are arranged on the supporting wheel component; a plurality of second rollers which are spaced at a certain interval are arranged on the pinch roller assembly; the group of pressing wheel assemblies are arranged above the two groups of supporting wheel assemblies and are positioned on a middle line between the two groups of supporting wheel assemblies, so that the second rollers and the first rollers on the two sides form an isosceles triangle distribution; the lifting driving mechanism is connected with the pinch roller assembly and is used for driving the pinch roller assembly to be close to or far away from the supporting wheel assembly; the rotary driving mechanism is connected with one or more groups of the two groups of supporting wheel assemblies and the group of pressing wheel assemblies and is used for driving rotation. The utility model discloses can realize automatic alignment, high-efficient and the cost of labor is low.
Description
Technical Field
The utility model discloses locate valve accessory and make the field, concretely relates to valve rod coalignment.
Background
The valve rod is a core accessory for transmitting torque in the valve and realizing the valve opening and closing action. At present, the manufacturing process of the valve rod usually comprises a straightening process, so that the problem that the valve rod which leaves a factory is bent and cannot be normally used is avoided. In the prior art, the valve rod is straightened by manually hammering a pressing position, so that the time consumption is long, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects and shortcomings existing in the prior art and providing a valve rod straightening device.
The utility model adopts the following technical scheme: a valve rod straightening device comprises a rack, two groups of supporting wheel assemblies, a group of pressing wheel assemblies, a lifting driving mechanism and a rotating driving mechanism, wherein the two groups of supporting wheel assemblies, the group of pressing wheel assemblies, the lifting driving mechanism and the rotating driving mechanism are arranged on the rack;
a plurality of first rollers which are arranged at certain intervals are arranged on the supporting wheel component;
a plurality of second rollers which are spaced at a certain interval are arranged on the pinch roller assembly;
the group of pressing wheel assemblies are arranged above the two groups of supporting wheel assemblies and are positioned on a middle line between the two groups of supporting wheel assemblies, so that the second rollers and the first rollers on the two sides form an isosceles triangle distribution;
the lifting driving mechanism is connected with the pinch roller assembly and is used for driving the pinch roller assembly to be close to or far away from the supporting wheel assembly;
the rotary driving mechanism is connected with one or more groups of the two groups of supporting wheel assemblies and the group of pressing wheel assemblies and is used for driving rotation.
The first rollers and the second rollers are arranged in a staggered mode.
The supporting device is characterized in that two groups of supporting wheel supporting frames are arranged on the rack, the supporting wheel assembly comprises a supporting rotating shaft, a first roller sleeve is arranged on the supporting rotating shaft and is connected with the supporting rotating shaft in a linkage and matching mode, and the supporting rotating shaft penetrates through the supporting wheel supporting frames and is matched with the supporting wheel supporting frames through a first bearing.
The supporting rotating shaft is provided with a driving wheel, the driving wheel is in transmission connection with the rotary driving mechanism to enable the rotary driving mechanism to drive the driving wheel to rotate, the driving wheel is in linkage and matching connection with the supporting rotating shaft, and the rotating directions of the supporting rotating shafts of the two groups of supporting wheel assemblies are the same.
The supporting rotating shaft is sleeved with a plurality of first positioning spacer rings which are arranged among the first roller, the first bearing and the driving wheel.
The supporting rotating shaft is a non-rotating body, an inner hole of the first roller, the first bearing, the driving wheel and the first positioning spacer ring is a linkage hole matched with the shape of the supporting rotating shaft, the first fixing sleeve is fixedly connected with two ends of the supporting rotating shaft, and the first fixing sleeve compresses the first roller, the first bearing, the driving wheel and the first positioning spacer ring in the middle to form a tight fit.
The lifting driving mechanism is arranged above the supporting wheel assembly, the lifting driving mechanism comprises a driving rod and a driving plate fixed at the lower end of the driving rod, and the pressing wheel assembly is rotatably arranged below the driving plate.
The pinch roller subassembly includes pinch roller pivot, second location spacer ring, the fixed cover of second, the drive plate below is equipped with spacing, the pinch roller pivot pass spacing and with spacing between be connected through the second bearing cooperation, the pinch roller pivot is the non-rotator, second gyro wheel, second location spacer ring hole be with the linkage hole of pinch roller pivot, shape adaptation, the fixed cover of second forms the tight fit to middle second gyro wheel, second location spacer ring, second axle pressure bearing.
The upper end part of the driving rod is of a threaded structure, the outer thread of the driving rod is connected with an adjusting nut, and the adjusting nut is in limit fit with the rack.
The lifting driving mechanism is a hydraulic driving system and comprises a hydraulic pressure adjusting device.
The beneficial effects of the utility model are as follows: the utility model provides a valve rod coalignment is through placing the valve rod between two sets of supporting wheel subassemblies, then the drive pinch roller subassembly is close to the supporting wheel subassembly to certain effect pressure is used in on the valve rod, and first gyro wheel and second gyro wheel roll and realize automatic alignment, and high-efficient and cost of labor are low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the pressing wheel assembly, the supporting wheel assembly and the valve rod being engaged when straightening according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the pinch roller assembly, the pinch roller assembly and the valve rod being engaged when straightening according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a support wheel assembly according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a pinch roller assembly according to an embodiment of the present invention;
in the figure, 1, a frame; 101, a supporting wheel support frame; 2, supporting the wheel assembly; 201, a first roller; 202, supporting the rotating shaft; 203, driving wheels; 204, a first positioning spacer ring; 205, a first fixture sleeve; 206, a first bearing; 3, a pinch roller assembly; 301, a second roller; 302, a pinch roller shaft; 303, a second positioning spacer ring; 304, a second fixture sleeve; 305, a second bearing; 4, a lifting driving mechanism; 401, a drive rod; 402, driving a board; 403, a limiting frame; 404, a limiting column; 405, an adjusting nut; 406, a hydraulic pressure regulating device; 5, a rotation driving mechanism; and 6, a valve rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be construed as limitations to the embodiments of the present invention, and the following embodiments do not describe the embodiments one by one.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings only. Accordingly, the directional and positional terms used are intended to illustrate and understand the present invention and are not intended to limit the scope of the invention.
A valve rod straightening device is shown in figures 1-3 and comprises a machine frame 1, two groups of supporting wheel assemblies 2, a group of pressing wheel assemblies 3, a lifting driving mechanism 4 and a rotating driving mechanism 5, wherein the two groups of supporting wheel assemblies 2, the group of pressing wheel assemblies 3, the lifting driving mechanism 4 and the rotating driving mechanism 5 are arranged on the machine frame 1;
a plurality of first rollers 201 which are arranged at certain intervals are arranged on the supporting wheel assembly 2;
a plurality of second rollers 301 which are spaced at a certain interval are arranged on the pinch roller assembly 3;
the group of pinch roller assemblies 3 are arranged above the two groups of supporting wheel assemblies 2 and are positioned on a median line between the two groups of supporting wheel assemblies 2, so that the second rollers 301 and the first rollers 201 on the two sides form an isosceles triangle distribution;
the lifting driving mechanism 4 is connected with the pinch roller assembly 3 and is used for driving the pinch roller assembly 3 to be close to or far away from the supporting wheel assembly 2;
the rotary driving mechanism 5 is connected with one or more groups of the two groups of supporting wheel assemblies 2 and the one group of pressing wheel assemblies 3 for driving rotation.
When straightening, as shown in fig. 2 and 3, the valve rod 6 is placed on the first roller 201 of the two sets of supporting wheel assemblies 2, the lifting driving mechanism 4 is started to drive the pressing wheel assembly 3 to be close to the supporting wheel assembly 2, so that the second roller 301 acts on the valve rod 6, the rotary driving mechanism 5 is started, so that the first roller 201, the second roller 301 and the valve rod 6 roll, straightening is performed, after the straightening is completed, the rotary driving mechanism 5 is closed, the lifting driving mechanism 4 drives the pressing wheel assembly 3 to be far away from the supporting wheel assembly 2, and the valve rod 6 is taken down.
As shown in fig. 2, the first rollers 201 and the second rollers 301 are disposed alternately.
As shown in fig. 4, two sets of supporting wheel supporting frames 101 are disposed on the machine frame 1, the supporting wheel assembly 2 includes a supporting rotating shaft 202, the first roller 201 is sleeved on the supporting rotating shaft 202 and is linked and matched with the supporting rotating shaft 202, and the supporting rotating shaft 202 passes through the supporting wheel supporting frames 101 and is matched with the supporting wheel supporting frames 101 through a first bearing 206.
The supporting rotating shaft 202 is provided with a driving wheel 203, the driving wheel 203 is in transmission connection with the rotary driving mechanism 5, so that the rotary driving mechanism 5 can drive the driving wheel 203 to rotate, the driving wheel 203 is in linkage fit connection with the supporting rotating shaft 202, and the rotating directions of the supporting rotating shafts 202 supported by the two groups of supporting wheel assemblies 2 are the same. The driving wheel 203 and the rotation driving mechanism 5 can be in transmission connection by adopting a common transmission structure such as gear transmission, belt transmission, and the like, and in this embodiment, gear transmission is specifically adopted.
The supporting shaft 202 is sleeved with a plurality of first positioning spacer rings 204 arranged among the first roller 201, the first bearing 206 and the driving wheel 203.
The supporting rotating shaft 202 is a non-rotating body, inner holes of the first roller 201, the first bearing 206, the driving wheel 203 and the first positioning spacer ring 204 are all linkage holes matched with the shape of the supporting rotating shaft 202, the first fixing sleeve 205 is fixedly connected with two ends of the supporting rotating shaft 202, and the first fixing sleeve 205 compresses the first roller 201, the first bearing 206, the driving wheel 203 and the first positioning spacer ring 204 in the middle to form a tight fit.
As shown in fig. 4, the first roller 201, the first bearing 206, and the driving wheel 203 are sleeved outside the supporting shaft 202 and are spaced and positioned by the first positioning spacer ring 204 for easy installation. The structure of the positioning bolt can be adopted for mounting and positioning, and compared with the mode, the mounting convenience and the positioning stability are poor. The first fixing sleeve 205 and the supporting shaft 202 can be fixed by bolts. In addition, through the supporting wheel assembly 2 arranged in the above manner, the number and the position of the first rollers 201 can be adjusted as required, and the thickness or the number of the first positioning spacer rings 204 can be adjusted.
As shown in fig. 1, the lifting driving mechanism 4 is disposed above the supporting wheel assembly 2, the lifting driving mechanism 4 includes a driving rod 401, and a driving plate 402 fixed at a lower end of the driving rod 401, and the pinch roller assembly 3 is rotatably disposed below the driving plate 402.
As shown in fig. 5, pinch roller assembly 3 includes pinch roller pivot 302, second location spacer ring 303, the fixed cover 304 of second, drive plate 402 below is equipped with spacing 403, pinch roller pivot 302 pass spacing 403 and with spacing 403 between be connected through the cooperation of second bearing 305, pinch roller pivot 302 is the non-rotator, second gyro wheel 301, second location spacer ring 303 hole be with the linkage hole of pinch roller pivot 302 shape adaptation, the fixed cover 304 of second compresses tightly formation tight fit to middle second gyro wheel 301, second location spacer ring 303, second bearing 305. The second fixing sleeve 304 and the pressing wheel rotating shaft 302 can be fixed by bolts. In addition, through the pinch roller assembly 3 arranged in the above manner, the number and the position of the second rollers 301 can be adjusted as required, and the thickness or the number of the second positioning spacer rings 303 can be adjusted.
The second roller 301 is a passive roller, and the valve rod 6 is driven to rotate by the first roller 201, so that the second roller 301 rotates along with the valve rod.
Four positioning columns 404 are arranged on the rack, positioning holes which are matched with the driving plate 402 in size and used for the positioning columns 404 to penetrate through are formed in the driving plate 402, the positioning holes are matched with each other to limit the driving plate 402, and the driving plate 402 is ensured not to incline.
As shown in fig. 1, the upper end portion of the driving rod 401 is a threaded structure, an adjusting nut 405 is connected to the outer thread of the driving rod, and the adjusting nut 405 is in limit fit with the frame 1. The lowered height of the drive plate 402 can be adjusted by turning the height of the adjustment nut 405.
The lifting driving mechanism 4 is a hydraulic driving system, and the lifting driving mechanism 4 comprises a hydraulic pressure adjusting device 406 which can adjust the acting pressure.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by using a program to instruct related hardware, and the program may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a valve rod coalignment which characterized in that: comprises a frame (1), two groups of supporting wheel assemblies (2), a group of pinch roller assemblies (3), a lifting driving mechanism (4) and a rotating driving mechanism (5), wherein the two groups of supporting wheel assemblies are arranged on the frame (1);
a plurality of first rollers (201) which are spaced at certain intervals are arranged on the supporting wheel assembly (2);
a plurality of second rollers (301) which are spaced at certain intervals are arranged on the pinch roller assembly (3);
the group of pressing wheel assemblies (3) are arranged above the two groups of supporting wheel assemblies (2) and are positioned on a middle line between the two groups of supporting wheel assemblies (2) so that the second idler wheels (301) and the first idler wheels (201) on the two sides form isosceles triangle distribution;
the lifting driving mechanism (4) is connected with the pinch roller assembly (3) and is used for driving the pinch roller assembly (3) to be close to or far away from the supporting wheel assembly (2);
the rotary driving mechanism (5) is connected with one or more groups of the two groups of supporting wheel assemblies (2) and the group of pressing wheel assemblies (3) and is used for driving rotation.
2. The valve stem straightening device according to claim 1, wherein: the first rollers (201) and the second rollers (301) are arranged in a staggered mode.
3. The valve stem straightening apparatus of claim 1, wherein: be equipped with two sets of supporting wheel support frames (101) on frame (1), supporting wheel subassembly (2) are including supporting pivot (202), first gyro wheel (201) cover is established on supporting pivot (202) and is connected with supporting pivot (202) linkage cooperation, supporting pivot (202) pass supporting wheel support frame (101) and with supporting wheel support frame (101) between through first bearing (206) cooperation.
4. The valve stem straightening device according to claim 3, wherein: support and be equipped with drive wheel (203) on pivot (202), drive wheel (203) are connected with rotary driving mechanism (5) transmission and make rotary driving mechanism (5) can drive wheel (203) and rotate, drive wheel (203) are connected with support pivot (202) linkage cooperation, and support pivot (202) the direction of rotation of two sets of supporting wheel subassemblies (2) is the same.
5. The valve stem straightening apparatus of claim 4, wherein: the supporting rotating shaft (202) is sleeved with a plurality of first positioning spacer rings (204) which are arranged among the first roller (201), the first bearing (206) and the driving wheel (203).
6. The valve stem straightening device according to claim 5, wherein: support pivot (202) and be the non-rotator, first gyro wheel (201), first bearing (206), drive wheel (203), first location spacer ring (204) hole be with the linkage hole of supporting pivot (202) shape adaptation, support pivot (202) both ends fixed connection's first fixed cover (205), first fixed cover (205) compress tightly formation tight fit to middle first gyro wheel (201), first bearing (206), drive wheel (203), first location spacer ring (204).
7. The valve stem straightening apparatus of claim 1, wherein: the lifting driving mechanism (4) is arranged above the supporting wheel assembly (2), the lifting driving mechanism (4) comprises a driving rod (401) and a driving plate (402) fixed at the lower end of the driving rod (401), and the pinch roller assembly (3) is rotatably arranged below the driving plate (402).
8. The valve stem straightening apparatus of claim 7, wherein: pinch roller subassembly (3) are including pinch roller pivot (302), second location spacer ring (303), the fixed cover of second (304), drive plate (402) below is equipped with spacing (403), pinch roller pivot (302) pass spacing (403) and with spacing (403) between be connected through second bearing (305) cooperation, pinch roller pivot (302) are the non-rotating body, second gyro wheel (301), second location spacer ring (303) hole be with the linkage hole of pinch roller pivot (302) shape adaptation, the fixed cover of second (304) compresses tightly formation tight fit to middle second gyro wheel (301), second location spacer ring (303), second bearing (305).
9. The valve stem straightening apparatus of claim 7, wherein: the upper end part of the driving rod (401) is of a threaded structure, the outer thread of the driving rod is connected with an adjusting nut (405), and the adjusting nut (405) is in limit fit with the rack (1).
10. The valve stem straightening apparatus of claim 7, wherein: the lifting driving mechanism (4) is a hydraulic driving system, and the lifting driving mechanism (4) comprises a hydraulic pressure adjusting device (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221887234.9U CN217798185U (en) | 2022-07-20 | 2022-07-20 | Valve rod straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221887234.9U CN217798185U (en) | 2022-07-20 | 2022-07-20 | Valve rod straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217798185U true CN217798185U (en) | 2022-11-15 |
Family
ID=83967233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221887234.9U Active CN217798185U (en) | 2022-07-20 | 2022-07-20 | Valve rod straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217798185U (en) |
-
2022
- 2022-07-20 CN CN202221887234.9U patent/CN217798185U/en active Active
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