CN214349988U

CN214349988U - Sawing machine for gate valve

Info

Publication number: CN214349988U
Application number: CN202120310149.5U
Authority: CN
Inventors: 王青青; 张玉彩; 马鸽; 叶晖; 王世恩
Original assignee: Kaifeng High And Middle Pressure Valve Co ltd
Current assignee: Kaifeng High And Middle Pressure Valve Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-08
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a sawing machine for gate valve, include: the device comprises a workbench, wherein a first motor is arranged on the workbench; the output shaft of the first motor is connected with a first speed reducer; the first speed reducer is connected with a second speed reducer; the output shaft of the second speed reducer is connected with a first rotating shaft and a second rotating shaft; the workbench is provided with a supporting plate, and the supporting plate is provided with a motor bottom plate capable of moving along the supporting plate; the other end of the first rotating shaft is connected with the motor bottom plate through a gear structure; a second motor is arranged on the upper side of the motor bottom plate; the output shaft of the second motor is connected with a third speed reducer; the output shaft of the third speed reducer is provided with a saw blade; through setting up gear structure and fixture that can rotate, the elasticity flashboard is carrying out the in-process of grooving, can satisfy the pivoted in-process of cutter and can carry out the front and back simultaneously and feed, and effectual machining precision and processingquality have been improved, simple process easily realizes the operation of being convenient for.

Description

Sawing machine for gate valve

Technical Field

The utility model belongs to the technical field of the gate valve processing equipment, especially, relate to sawing machine for the gate valve.

Background

The gate plate is one of sealing parts which play a role in opening and closing during the operation of the gate valve, and the movement track of the gate plate is a valve body guide rib which is vertical to the central line direction of a pipeline channel and makes reciprocating linear motion, so that a medium in the pipeline is connected or cut off. The machining precision of the flashboard has great influence on the precision of gate valve assembly, the angle precision of the sealing surface of the flashboard is ensured, and the size precision of the width of the baffle and the symmetry degree of the sealing surface and the guide groove are important factors for machining the flashboard.

The gate plate is one of important sealing parts of the valve, and the elastic groove of the gate plate is important for judging whether the sealing surface of the elastic groove and the sealing surface of the valve seat can reach the sealing standard. Under the existing processing conditions, a common precision milling machine is adopted, a process route is reasonably arranged, a positioning reference and a clamping method are correctly selected, a proper processing cutter and materials thereof are selected, and cutting parameters are controlled to process the elastic groove. The circumferential groove is machined by a common milling machine, the process is complex, the machining quality is not easy to control, manpower and material resources are wasted, the opening force is increased, an electric device is invisibly added, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a sawing machine for gate valve through setting up gear structure and fixture that can rotate, and the elasticity flashboard is carrying out the in-process of grooving, can satisfy the pivoted in-process of cutter and can carry out the front and back simultaneously and feed, effectual machining precision and processingquality of having improved, simple process easily realizes, the operation of being convenient for.

The utility model provides a following technical scheme:

a sawing machine for a gate valve, comprising: the device comprises a workbench, wherein a first motor is arranged on the workbench; the output shaft of the first motor is connected with a first speed reducer; the first speed reducer is connected with a second speed reducer; the output shaft of the second speed reducer is connected with a first rotating shaft and a second rotating shaft; the workbench is provided with a supporting plate, and the supporting plate is provided with a motor bottom plate capable of moving along the supporting plate; the other end of the first rotating shaft is connected with the motor bottom plate through a gear structure; a second motor is arranged on the upper side of the motor bottom plate; the output shaft of the second motor is connected with a third speed reducer; the output shaft of the third speed reducer is provided with a saw blade; the worktable is provided with a clamping piece, and a clamping mechanism is formed between the clamping piece and the second rotating shaft.

Preferably, the gear structure comprises a gear and a rack, the rack is arranged on the surface of the motor bottom plate, the gear is arranged at one end of the first rotating shaft, and the gear is meshed with the rack.

Preferably, a first support is arranged on the workbench; the first support is provided with a first shaft sleeve, and the second rotating shaft penetrates through the first shaft sleeve.

Preferably, the second support is arranged on the workbench, a sleeve is arranged on the second support, and an adjusting nut is arranged on the inner side of the sleeve; and a bearing is arranged at one end of the adjusting nut close to the second rotating shaft, and a bearing sleeve is arranged outside the bearing.

Preferably, a threaded rod is arranged on the inner side of the adjusting nut, and a hand wheel is arranged at one end of the threaded rod.

Preferably, a heightening plate is arranged between the supporting plate and the workbench, and the cross section of the heightening plate is of an inverted U-shaped structure.

Preferably, the output shaft of the second speed reducer is connected with the first rotating shaft through a chain wheel transmission mechanism; and an output shaft of the second speed reducer is connected with the second rotating shaft through a chain wheel transmission mechanism.

Preferably, a protective cover is arranged on the outer side of the transmission mechanism between the first speed reducer and the second speed reducer; the protection cover is arranged on the outer side of the transmission mechanism between the second speed reducer and the first rotating shaft, and the protection cover is arranged on the outer side of the transmission mechanism between the second speed reducer and the second rotating shaft.

Preferably, a second protective cover is arranged on the outer side of the saw blade, and the second protective cover is of an arc-shaped structure.

Preferably, the second rotating shaft comprises a main transmission shaft and an auxiliary transmission shaft, and the main transmission shaft and the auxiliary transmission shaft are connected through a clutch.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses sawing machine for gate valve through setting up gear structure and fixture that can rotate, and the elasticity flashboard is carrying out the in-process of grooving, can satisfy the pivoted in-process of cutter and can carry out the front and back simultaneously and feed, effectual machining precision and processingquality of having improved, simple process easily realizes the operation of being convenient for.

(2) The utility model discloses sawing machine for gate valve through setting up the holder, can adjust the distance between holder and the second axis of rotation through rotating the holder for the flashboard of different thickness of processing has satisfied diversified demand in the actual processing.

(3) The utility model discloses sawing machine for the gate valve through setting up protection casing and second protection casing, has guaranteed the security in the use, provides safe production environment.

(4) The utility model discloses sawing machine for the gate valve through setting up the clutch, is convenient for control second axis of rotation, and easily operation has improved the stability of device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the clamping mechanism of the present invention.

Figure 3 is a partial cross-sectional view of the present invention from figure 1.

In the figure: 1. a first motor; 2. a first decelerator; 3. a second decelerator; 4. a first rotating shaft; 5. a motor bracket; 6. a second motor; 7. a third speed reducer; 8. a saw blade; 9. a clamping member; 10. a shaft sleeve end cover; 11. a limiting plate; 12. a second rotating shaft; 13. a first bushing; 14. a bearing housing; 15. adjusting the nut; 16. a threaded rod; 17. a hand wheel; 18. a sleeve; 19. a second support; 20. a first support; 21. a motor base plate; 22. a support plate; 23. heightening a plate; 24. a rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 3, a gate valve sawing machine includes: the device comprises a workbench, wherein a first motor 1 is arranged on the workbench; the output shaft of the first motor 1 is connected with the input shaft of the first speed reducer 2; the output shaft of the first speed reducer 2 is connected with the input shaft of the second speed reducer 3; the output shaft of the second speed reducer 3 is connected with a first rotating shaft 4 and a second rotating shaft 12; a supporting plate 22 is arranged on the workbench, a motor bottom plate 21 capable of moving along the supporting plate 22 is arranged on the supporting plate 22, a sliding groove is formed in the motor bottom plate 21, a corresponding sliding block is arranged on the supporting plate 22, and the sliding block and the sliding groove are arranged correspondingly; the other end of the first rotating shaft 4 is connected with a motor bottom plate 21 through a gear structure; a motor bracket 5 is arranged on the upper side of the motor bottom plate 21, and a second motor 6 is arranged on the upper side of the motor bracket 5; the output shaft of the second motor 6 is connected with a third speed reducer 7; an output shaft of the third speed reducer 7 is provided with a saw blade 8; be provided with holder 9 on the workstation, form fixture between holder 9 and the second axis of rotation 12, fixture is used for the centre gripping flashboard, is convenient for process the flashboard.

The gear structure comprises a gear and a rack, the rack 24 is arranged on the surface of the motor bottom plate 21, the gear is arranged at one end of the first rotating shaft 4, the gear is meshed with the rack 24, the first rotating shaft 4 rotates, and the second motor 6 and the third speed reducer 7 move.

A first support 20 is arranged on the workbench; the first support 20 is provided with a first shaft sleeve 13, the second rotating shaft 12 penetrates through the first shaft sleeve 13, a shaft sleeve end cover 10 is arranged at the right end of the second rotating shaft 12, and the second rotating shaft 13 can rotate in the first shaft sleeve 13. A second support 19 arranged on the workbench is provided with a sleeve 18, the inner side of the sleeve 18 is provided with an adjusting nut 15, and the adjusting nut 15 can rotate in the sleeve 18; one end of the adjusting nut 15 close to the second rotating shaft 12 is provided with a bearing, and a bearing sleeve 14 is arranged outside the bearing. Be provided with limiting plate 11 on the second axis of rotation 12, limiting plate 11 is located the inboard of first support 20, is convenient for to the fixed of second pivot 12, adjusting nut 15 inboard is provided with threaded rod 16, the one end of threaded rod 16 is provided with hand wheel 17, rotates hand wheel 17, and adjusting nut 15 can carry out the ascending removal in left and right sides direction, is convenient for adjust the distance between bearing housing 14 and the second axis of rotation 12, has adapted to the needs of different thickness flashboards.

A heightening plate 23 is arranged between the supporting plate 22 and the workbench, and the cross section of the heightening plate 23 is of an inverted U-shaped structure. An output shaft of the second speed reducer 3 is connected with the first rotating shaft 4 through a chain wheel transmission mechanism; the output shaft of the second speed reducer 3 is connected with a second rotating shaft 12 through a chain wheel transmission mechanism. The chain wheel mechanism has high stable running, and ensures the transmission ratio between the transmission of the mechanism.

A protective cover is arranged on the outer side of the transmission mechanism between the first speed reducer 2 and the second speed reducer 3; a protective cover is arranged on the outer side of the transmission mechanism between the second speed reducer 3 and the first rotating shaft 4, and a protective cover is arranged on the outer side of the transmission mechanism between the second speed reducer 3 and the second rotating shaft 12. And a second protective cover is arranged on the outer side of the saw blade 8 and is of an arc-shaped structure. The safety of the use of the device is increased by the arrangement of the protective cover and the second protective cover. The second rotating shaft 12 comprises a main transmission shaft and an auxiliary transmission shaft, the main transmission shaft and the auxiliary transmission shaft are connected through a clutch, the auxiliary transmission shaft is controlled to rotate through the clutch, and the stability of the structure is improved.

The device that obtains through above-mentioned technical scheme is sawing machine for the gate valve, in the use, at first place the flashboard that needs processing in the middle of fixture, fix the flashboard, start first motor 1 and second motor 6, 8 pivoted while of saw bit move to the direction of flashboard, and simultaneously, the flashboard rotates, 8 processes the flashboard of saw bit, the elasticity flashboard is carrying out the in-process of grooving, can satisfy the pivoted in-process of cutter and can carry out the front and back simultaneously and feed, effectual machining precision and processingquality of having improved, simple process, easy to realize, the operation of being convenient for.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Sawing machine for gate valves, characterized by comprising: the device comprises a workbench, wherein a first motor (1) is arranged on the workbench; the output shaft of the first motor is connected with a first speed reducer (2); the first speed reducer (2) is connected with a second speed reducer (3); the output shaft of the second speed reducer (3) is connected with a first rotating shaft (4) and a second rotating shaft (12); a supporting plate (22) is arranged on the workbench, and a motor bottom plate (21) capable of moving along the supporting plate (22) is arranged on the supporting plate (22); the other end of the first rotating shaft (4) is connected with a motor bottom plate (21) through a gear structure; a second motor (6) is arranged on the upper side of the motor bottom plate (21); the output shaft of the second motor (6) is connected with a third speed reducer (7); an output shaft of the third speed reducer (7) is provided with a saw blade (8); the clamping mechanism is characterized in that a clamping piece (9) is arranged on the workbench, and a clamping mechanism is formed between the clamping piece (9) and the second rotating shaft (12).

2. Sawing machine for gate valves according to claim 1, characterised in that the gear structure comprises a gear and a rack, the rack (24) being arranged on the surface of the motor base plate (21), the gear being arranged at one end of the first axis of rotation (4), the gear being in engagement with the rack (24).

3. Sawing machine for gate valves according to claim 1, characterized in that a first seat (20) is provided on the table; the first support (20) is provided with a first shaft sleeve (13), and the second rotating shaft (12) penetrates through the first shaft sleeve (13).

4. Sawing machine for gate valves according to claim 1, characterised in that the second abutment (19) provided on the table is provided with a sleeve (18), the inner side of the sleeve (18) being provided with an adjusting nut (15); and a bearing is arranged at one end of the adjusting nut (15) close to the second rotating shaft (12), and a bearing sleeve is arranged outside the bearing.

5. Sawing machine for gate valves according to claim 4, characterised in that a threaded rod (16) is arranged inside the adjusting nut (15), one end of the threaded rod (16) being provided with a hand wheel (17).

6. The sawing machine for the gate valve as claimed in claim 1, wherein a heightening plate (23) is arranged between the supporting plate (22) and the working table, and the heightening plate (23) has an inverted U-shaped cross section.

7. Sawing machine for gate valves according to claim 1, characterised in that the output shaft of the second reducer (3) is connected to the first rotary shaft (4) by means of a chain wheel transmission; the output shaft of the second speed reducer (3) is connected with a second rotating shaft (12) through a chain wheel transmission mechanism.