Valve rod surface extrusion tool
By designing a valve stem surface extrusion fixture, and utilizing components such as a bidirectional screw, lead screw, driven wheel, and turntable, the valve stem is automatically rotated and uniformly extruded, thus solving the problem of uneven valve stem extrusion and improving the valve's service life and accuracy.
Patent Information
- Application Number
- CN202422975696.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In the existing technology, it is not easy to fix and adjust the valve stem during the extrusion process, resulting in uneven extrusion on the valve stem surface, which affects the service life and accuracy of the valve.
A valve stem surface extrusion fixture was designed. The position of the mounting bracket is adjusted by a bidirectional screw and lead screw. The valve stem is automatically rotated by a driven wheel, a driving wheel and a belt. The clamping rod spacing is adjusted by a turntable, a ring tooth and an internal tooth ring. The fixture is fixed and uniformly extruded by a cylinder and gear system.
It achieves effective fixing and uniform compression of valve stems of different lengths and diameters, improves the surface finish of the valve stem, and enhances the service life and adjustment accuracy of the valve.
Smart Images
Figure CN223465817U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to valve rod production technical field, concretely is a valve rod surface extrusion frock. BACKGROUND
[0002] The smoothness of the valve rod of the valve directly influences the service life of the packing of the valve, and the poor smoothness of the valve rod of the valve can cause the valve to leak, and at the same time can enhance the friction between the packing and the valve rod, so that the adjustment accuracy and sensitivity of the valve are greatly affected, at present, the manufacture of the valve rod is mainly through the grinding process, and the smoothness of the valve rod is difficult to improve, and currently, the valve rod surface extrusion frock is used, so that the valve rod is extruded again after grinding, thereby the surface smoothness of the valve rod is improved, mirror surface effect is achieved, the hardness of the valve rod is increased, and the service life and accuracy of the valve are effectively improved.
[0003] In the prior art, the valve rod is inconvenient to fix during extrusion, and the adjustment of the extrusion surface or position of the valve rod is manually completed by workers, and the extrusion of the surface of the valve rod is not uniform. UTILITY MODEL CONTENTS
[0004] The utility model discloses a valve rod surface extrusion frock to solve the problem in the above background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a valve rod surface extrusion frock, including mounting frame, be equipped with two groups of symmetrical distribution's mobile frame on the mounting frame, two groups mobile frame all with mounting frame sliding connection, the fixed seat is slidably installed on the mounting frame, be equipped with two -way screw rod in the mounting frame, be equipped with screw rod on the mounting frame, two groups mobile frame are respectively installed with first mounting seat and second mounting seat on left side, be equipped with driving wheel on the mobile frame of left side, the first mounting seat is connected with driven wheel, be equipped with three groups of annular distribution's installation pipe on the fixed seat, three groups installation pipe all are installed with adjusting rod, three groups adjusting rod all are equipped with extrusion ball, extrusion ball is connected with adjusting rod screw, be equipped with three groups of annular distribution's threaded rod in the fixed seat, three groups of annular distribution's sliding slot are seted up on the first mounting seat and second mounting seat, three groups of annular distribution's clamping rod are equipped on the first mounting seat and second mounting seat.
[0006] As a further preferred embodiment of the present technical solution, the two ends of the two-way screw rod and the screw rod are respectively penetrated through the mounting frame and connected with the mounting frame through bearings, the two ends of the two-way screw rod are respectively penetrated through the two groups of mobile frames and connected with the two groups of mobile frames through threads, and the screw rod is penetrated through the fixed seat and connected with the fixed seat through threads.
[0007] As a further preferred of the technical solution, the driving wheel is rotatably connected with the moving frame through a rotating shaft, a belt is arranged on the left moving frame, and the belt is respectively connected with the driving wheel and the driven wheel.
[0008] As a further preferred of the technical solution, three groups of the threaded rods are respectively arranged in correspondence with three groups of the mounting pipes, the threaded rods are rotatably connected with the fixed seat through bearings, the adjusting rods are respectively slidably connected with the corresponding mounting pipes, and the threaded rods are respectively threaded with the adjusting rods.
[0009] As a further preferred of the technical solution, a first bevel gear is sleeved on each of the threaded rods, three groups of second bevel gears are arranged in annular distribution in the fixed seat, the second bevel gears are rotatably connected with the fixed seat through mounting shafts, the second bevel gears are respectively meshingly connected with the corresponding first bevel gears, a gear is sleeved on each of the mounting shafts, an internal tooth ring is rotatably arranged in the fixed seat, and the internal tooth ring is respectively meshingly connected with the gears.
[0010] As a further preferred of the technical solution, a sliding block is fixedly arranged on each of the clamping rods, the clamping rods are arranged in correspondence with the sliding grooves, the clamping rods are slidably connected with the first mounting seat or the second mounting seat through the sliding blocks, a rotating disc is rotatably arranged in the first mounting seat and the second mounting seat, and a rack and a cylinder are arranged in the first mounting seat and the second mounting seat.
[0011] As a further preferred of the technical solution, an annular tooth is fixedly arranged on the rotating disc, the sliding block is meshingly connected with the annular tooth, an external tooth ring is sleeved on the rotating disc, the rack is meshingly connected with the external tooth ring, the rack is connected with the output end of the piston rod of the cylinder, and the rack is slidably connected with the corresponding first mounting seat or second mounting seat.
[0012] The valve rod surface extrusion tool has the following beneficial effects:
[0013] (1) The utility model discloses a two -way screw for the spacing between two groups of movable frame and first mounting seat or second mounting seat is adjusted to the position of fixed seat on the mounting frame is adjusted through the setting screw, so that the extrusion tooling can be applicable to the extrusion work of valve stem of different length, and the automatic rotation of valve stem fixed on first mounting seat and second mounting seat is realized through the setting driven wheel, driving wheel and belt, and the uniform extrusion processing of each position and each surface of valve stem is realized through the movement of fixed seat, and the spacing between two groups of movable frame is adjusted under the limiting action of mounting frame through the rotation of two -way screw, and then the spacing between first mounting seat and second mounting seat is adjusted, and the fixing of valve stem of different length is realized, and the position of fixed seat on mounting frame is adjusted under the limiting action of mounting frame through the rotation of screw, and first mounting seat rotates at uniform speed under the action of driving wheel, driven wheel and belt, drives valve stem and second mounting seat to rotate at uniform speed, and realizes the uniform extrusion processing of each position of valve stem through three extrusion balls on fixed seat and fixed seat.
[0014] (2) The utility model discloses a turntable, annular tooth realize the adjustment of the spacing between three groups of clamping rods, and the spacing between three groups of adjusting rods is adjusted through the setting of internal tooth ring and threaded rod, so that the extrusion tooling can be applicable to the surface extrusion processing of valve stem of different diameter, and according to the diameter of actual valve stem, the sliding of rack is driven by the cylinder in first mounting seat and second mounting seat, and the driving of turntable is realized through the cooperation of external tooth ring, and turntable drives annular tooth to rotate, and three groups of clamping rods are driven to slide inwards or outwards synchronously under the limiting action of sliding groove, to be applicable to the fixing of valve stem of different diameter, and the synchronous rotation of three groups of mounting shafts and second bevel gears sleeved on mounting shafts is realized under the cooperation of internal tooth ring and gear, and three groups of threaded rods are driven to rotate synchronously through the cooperation of first bevel gear, and three groups of adjusting rods drive extrusion balls to slide synchronously under the limiting action of mounting pipe, to be applicable to the extrusion processing of the surface of valve stem of different diameter. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the structure schematic view of movable frame of the utility model;
[0017] Figure 3 It is the structure schematic view of first mounting seat of the utility model;
[0018] Figure 4 It is the structure schematic view of clamping rod of the utility model;
[0019] Figure 5The utility model discloses a fixed seat's structural diagram for the utility model discloses a
[0020] Figure 6 The utility model discloses a Figure 5 The structure enlarged view at -A is shown in the figure.
[0021] In the figure: 1, mounting frame; 2, first mounting seat; 3, second mounting seat; 4, fixed seat; 5, moving frame; 6, bidirectional screw rod; 7, screw rod; 8, driven wheel; 9, driving wheel; 10, belt; 11, sliding slot; 12, clamping rod; 13, sliding block; 14, rotary table; 15, annular tooth; 16, outer gear ring; 17, rack; 18, air cylinder; 19, mounting pipe; 20, inner gear ring; 21, adjusting rod; 22, extrusion ball; 23, threaded rod; 24, first bevel gear; 25, mounting shaft; 26, second bevel gear; 27, gear wheel. DETAILED DESCRIPTION
[0022] The technical scheme 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.
[0023] The utility model provides technical scheme: as Figures 1-4 As shown in the figure, in the embodiment, a valve rod surface extrusion tool includes mounting frame 1, mounting frame 1 is equipped with two groups of symmetrical distribution's moving frame 5, two groups of moving frame 5 are all with mounting frame 1 sliding connection, and the fixed seat 4 of sliding installation is set up on mounting frame 1, and mounting frame 1 is equipped with bidirectional screw rod 6, and mounting frame 1 is equipped with screw rod 7, and the first mounting seat 2 and second mounting seat 3 are respectively rotationally installed on two groups of moving frame 5, and the driving wheel 9 is set up on left moving frame 5, and the driven wheel 8 is sleeved on the first mounting seat 2, and the mounting pipe 19 of three groups of annular distribution is set up on the fixed seat 4, and the adjusting rod 21 is installed in three groups of mounting pipe 19, and the extrusion ball 22 is set up on three groups of adjusting rod 21, and the extrusion ball 22 is threadedly connected with adjusting rod 21, and the threaded rod 23 of three groups of annular distribution is set up in the fixed seat 4, and the sliding slot 11 of three groups of annular distribution is set up on the first mounting seat 2 and second mounting seat 3, and the clamping rod 12 of three groups of annular distribution is set up on the first mounting seat 2 and second mounting seat 3, and the both ends of bidirectional screw rod 6 and screw rod 7 are respectively threaded through mounting frame 1 and are rotationally connected with mounting frame 1 through bearing, and the both ends of bidirectional screw rod 6 are respectively threaded through two groups of moving frame 5 and are threadedly connected with two groups of moving frame 5, and screw rod 7 is threaded through fixed seat 4 and is threadedly connected with fixed seat 4, and the driving wheel 9 is rotationally connected with moving frame 5 through pivot, and the belt 10 is set up on left moving frame 5, and the belt 10 is respectively drivingly connected with driving wheel 9 and from wheel.
[0024] The interval between the two groups of moving frames 5 and the first mounting seat 2 or the second mounting seat 3 is adjusted by the bidirectional screw 6, and the position of the fixed seat 4 on the mounting frame 1 is adjusted by the lead screw 7, so that the extrusion tool can be suitable for the extrusion work of valve stems with different lengths, and the automatic rotation of the valve stem fixed on the first mounting seat 2 and the second mounting seat 3 is realized by the driven wheel 8, the driving wheel 9 and the belt 10, and the uniform extrusion processing of the valve stem at each position and each surface is realized by the movement of the fixed seat 4; the interval between the two groups of moving frames 5 is adjusted by the rotation of the bidirectional screw 6 and the limiting action of the mounting frame 1, and then the interval between the first mounting seat 2 and the second mounting seat 3 is adjusted, and the valve stem with different lengths is fixed, and the position of the fixed seat 4 on the mounting frame 1 is adjusted by the rotation of the lead screw 7 and the limiting action of the mounting frame 1, and the first mounting seat 2 rotates at a constant speed under the action of the driving wheel 9, the driven wheel 8 and the belt 10, drives the valve stem and the second mounting seat 3 to rotate at a constant speed, and the uniform extrusion processing of the valve stem at each position is realized by the fixed seat 4, the fixed seat 4 and the three groups of extrusion balls 22.
[0025] As shown in Figure 5 and Figure 6 , three groups of threaded rods 23 are respectively arranged corresponding to three groups of mounting pipes 19, the three groups of threaded rods 23 are all rotationally connected with the fixed seat 4 through bearings, the adjusting rods 21 are respectively slidably connected with the corresponding mounting pipes 19, the three groups of threaded rods 23 respectively penetrate through the corresponding adjusting rods 21 and are threadedly connected with the adjusting rods 21, the three groups of threaded rods 23 are all sleeved with first bevel gears 24, the fixed seat 4 is provided with three groups of second bevel gears 26 distributed in a ring shape, the three groups of second bevel gears 26 are respectively rotationally connected with the fixed seat 4 through mounting shafts 25, the three groups of second bevel gears 26 are respectively meshingly connected with the corresponding first bevel gears 24, the three groups of mounting shafts 25 are all sleeved with gears 27, the fixed seat 4 is rotationally provided with an internal tooth ring 20, the internal tooth ring 20 is respectively meshingly connected with the three groups of gears 27, the three groups of clamping rods 12 are all fixedly provided with sliding blocks 13, the three groups of clamping rods 12 are correspondingly distributed with sliding grooves 11, the three groups of clamping rods 12 are slidably connected with the first mounting seat 2 or the second mounting seat 3 through the sliding blocks 13, the first mounting seat 2 and the second mounting seat 3 are both rotationally provided with rotating discs 14, the first mounting seat 2 and the second mounting seat 3 are both provided with racks 17 and air cylinders 18, the rotating discs 14 are fixedly provided with annular teeth 15, the sliding blocks 13 are meshingly connected with the annular teeth 15, the rotating discs 14 are sleeved with external tooth rings 16, the racks 17 are meshingly connected with the external tooth rings 16, the racks 17 are connected with the output ends of the piston rods of the air cylinders 18, and the racks 17 are slidably connected with the corresponding first mounting seat 2 or the second mounting seat 3.
[0026] The spacing between the three groups of clamping rods 12 is adjusted by the rotating disc 14 and the annular teeth 15, and the spacing between the three groups of adjusting rods 21 is adjusted by the inner tooth ring 20 and the threaded rod 23, so that the surface extrusion tool can be suitable for the surface extrusion processing of valve rods with different diameters; according to the diameter of the actual valve rod, the sliding of the rack 17 driven by the cylinder 18 in the first mounting seat 2 and the second mounting seat 3 is started, the rotating disc 14 is driven by cooperating with the outer tooth ring 16, the rotating disc 14 drives the annular teeth 15 to rotate, and under the limiting action of the sliding groove 11, the three groups of sliding blocks 13 drive the three groups of clamping rods 12 to slide synchronously inward or outward, so as to be suitable for the fixation of valve rods with different diameters; meanwhile, the mounting shaft 25 is driven to rotate by the motor, the three groups of mounting shafts 25 and the second bevel gears 26 sleeved on the mounting shafts 25 are synchronously rotated by cooperating with the inner tooth ring 20 and the gear 27, the three groups of threaded rods 23 are synchronously rotated by cooperating with the first bevel gear 24, and under the limiting action of the mounting pipe 19, the three groups of adjusting rods 21 drive the extrusion balls 22 to slide synchronously, so as to be suitable for the surface extrusion processing of valve rods with different diameters.
[0027] The utility model provides a valve rod surface extrusion tool, specific working principle is as follows: through the rotation of two -way screw rod 6, and under the limiting action of mounting bracket 1, the spacing between two groups of moving frame 5 is adjusted, and then the spacing between first mounting seat 2 and second mounting seat 3 is adjusted, the fixation of valve rod with different lengths is realized, and under the limiting action of mounting bracket 1, the position of fixed seat 4 on mounting bracket 1 is adjusted by the rotation of screw rod 7, first mounting seat 2 rotates at uniform speed under the action of driving wheel 9, driven wheel 8 and belt 10, drives valve rod and second mounting seat 3 to rotate at uniform speed, and realizes the uniform extrusion processing of each position of valve rod by cooperating with fixed seat 4 and three groups of extrusion balls 22 on fixed seat 4, according to the diameter of actual valve rod, the sliding of rack 17 driven by cylinder 18 in first mounting seat 2 and second mounting seat 3 is started, and the rotating disc 14 is driven by cooperating with outer tooth ring 16, the rotating disc 14 drives annular teeth 15 to rotate, and under the limiting action of sliding groove 11, three groups of sliding blocks 13 drive three groups of clamping rods 12 to slide synchronously inward or outward, so as to be suitable for the fixation of valve rods with different diameters, and under the limiting action of mounting pipe 19, three groups of adjusting rods 21 drive extrusion balls 22 to slide synchronously, so as to be suitable for the surface extrusion processing of valve rods with different diameters.
[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A valve stem surface extrusion tool comprising a mounting frame (1) characterised in that: The mounting frame (1) is provided with two groups of symmetrically distributed moving frames (5), both groups of moving frames (5) are in sliding connection with the mounting frame (1), the mounting frame (1) is provided with a fixed seat (4) in sliding connection, the mounting frame (1) is provided with a bidirectional screw rod (6), the mounting frame (1) is provided with a screw rod (7), both groups of moving frames (5) are respectively provided with a first mounting seat (2) and a second mounting seat (3) in rotation connection, the left moving frame (5) is provided with a driving wheel (9), the first mounting seat (2) is provided with a driven wheel (8) in sleeved connection, the fixed seat (4) is provided with three groups of annularly distributed mounting pipes (19), three groups of mounting pipes (19) are provided with adjusting rods (21) in sliding connection, three groups of adjusting rods (21) are provided with extrusion balls (22) in threaded connection, the extrusion balls (22) are in threaded connection with the adjusting rods (21), the fixed seat (4) is provided with three groups of annularly distributed threaded rods (23), the first mounting seat (2) and the second mounting seat (3) are provided with three groups of annularly distributed sliding grooves (11), the first mounting seat (2) and the second mounting seat (3) are provided with three groups of annularly distributed clamping rods (12).
2. A valve stem surface extrusion tool as defined in claim 1, wherein: Both ends of the bidirectional screw rod (6) and the screw rod (7) respectively penetrate the mounting frame (1) and are in rotation connection with the mounting frame (1) through bearings, both ends of the bidirectional screw rod (6) respectively penetrate both groups of moving frames (5) and are in threaded connection with both groups of moving frames (5), the screw rod (7) penetrates the fixed seat (4) and is in threaded connection with the fixed seat (4).
3. The valve stem surface extrusion tooling of claim 1, wherein: The driving wheel (9) is in rotation connection with the moving frame (5) through a rotating shaft, the left moving frame (5) is provided with a belt (10), the belt (10) is in transmission connection with the driving wheel (9) and the driven wheel respectively.
4. The valve stem surface extrusion tooling of claim 1, wherein: Three groups of threaded rods (23) are correspondingly arranged with three groups of mounting pipes (19), three groups of threaded rods (23) are in rotation connection with the fixed seat (4) through bearings, the adjusting rods (21) are in sliding connection with the corresponding mounting pipes (19), three groups of threaded rods (23) respectively penetrate the corresponding adjusting rods (21) and are in threaded connection with the adjusting rods (21).
5. The valve stem surface extrusion tooling of claim 1, wherein: Three groups of threaded rods (23) are respectively provided with first bevel gears (24), the fixed seat (4) is provided with three groups of annularly distributed second bevel gears (26), three groups of second bevel gears (26) are in rotation connection with the fixed seat (4) through mounting shafts (25), three groups of second bevel gears (26) are in meshing connection with the corresponding first bevel gears (24), three groups of mounting shafts (25) are respectively provided with gears (27), the fixed seat (4) is provided with an internal tooth ring (20) in rotation connection, the internal tooth ring (20) is in meshing connection with three groups of gears (27).
6. The valve stem surface extrusion tooling of claim 1, wherein: Three groups of said clamping rod (12) are fixedly installed with sliding block (13), three groups of said clamping rod (12) are distributed with sliding groove (11) corresponding, three groups of said clamping rod (12) are slidably connected with first mounting seat (2) or second mounting seat (3) through sliding block (13), said first mounting seat (2) and second mounting seat (3) are both rotatably installed with rotary disc (14), said first mounting seat (2) and second mounting seat (3) are both provided with rack (17) and cylinder (18).
7. A valve stem surface extrusion tool as defined in claim 6, wherein: Said rotary disc (14) is fixedly installed with annular tooth (15), said sliding block (13) is meshedly connected with annular tooth (15), said rotary disc (14) is sleeved with external tooth ring (16), said rack (17) is meshedly connected with external tooth ring (16), said rack (17) is connected with the output end of cylinder (18) piston rod, said rack (17) is slidably connected with corresponding first mounting seat (2) or second mounting seat (3).