CN217749377U

CN217749377U - Valve core processing lathe fixture

Info

Publication number: CN217749377U
Application number: CN202221841645.4U
Authority: CN
Inventors: 崔静静
Original assignee: Zhejiang Hongming Water Heating Technology Co ltd
Current assignee: Zhejiang Hongming Water Heating Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-08
Anticipated expiration: 2032-07-15

Abstract

The application relates to a valve core processing lathe fixture which comprises a base plate, a top plate and a bottom plate, wherein the top plate is fixedly connected to the base plate, the bottom plate is rotatably connected to the base plate, the top plate and the bottom plate are positioned on the same side of the base plate, an area defined by the top plate, the bottom plate and the base plate forms an accommodating cavity for embedding a valve core, an elastic part is connected between the bottom plate and the base plate, and the elastic part deforms when the bottom plate rotates; the surface that the roof is close to the bottom plate is equipped with the first groove that is used for supplying the case embedding, and the bottom plate is close to the surface of base and is used for the butt case, and the axial of bottom plate axis of rotation is followed to first groove and is run through the roof. The cell wall in first groove can hold the case in chamber to the embedding spacing in this application to elasticity through the elastic component makes roof and bottom plate carry out the centre gripping to the case, need not complicated hydraulic drive system, so that reduce case manufacturing cost.

Description

Valve core processing lathe fixture

Technical Field

The application relates to the field of clamps, especially, relate to a case processing turning attachment.

Background

Conventional lathes for machining valve cartridges include a chuck (e.g., a three-jaw chuck, a tension sleeve) for holding the valve cartridge, and the valve cartridge is held by the chuck for facilitating the turning of the valve cartridge by a tool. One typically places the valve cartridge manually in the chuck so that the chuck clamps the valve cartridge in place. However, as the valve core production process is mature, the valve core production is gradually automated, and the application of the manipulator is more and more common. The valve core is clamped by a manipulator and placed in the chuck.

However, when the manipulator clamps, the manipulator is usually driven by a driving system composed of a hydraulic motor, a servo valve, an oil pump, an oil tank and the like to clamp and work, so that not only is the installation inconvenient, but also the production cost of producing the valve core is increased by the hydraulic driving system related to the manipulator.

SUMMERY OF THE UTILITY MODEL

In order to reduce case manufacturing cost, this application provides a case processing turning attachment.

The application provides a case processing turning attachment adopts following technical scheme:

a valve core machining lathe fixture comprises a base plate, a top plate and a bottom plate, wherein the top plate is fixedly connected to the base plate, the bottom plate is rotatably connected to the base plate, the top plate and the bottom plate are located on the same side of the base plate, an accommodating cavity for embedding a valve core is formed in an area defined by the top plate, the bottom plate and the base plate, an elastic piece is connected between the bottom plate and the base plate, and the elastic piece deforms when the bottom plate rotates; the surface of the top plate close to the bottom plate is provided with a first groove for embedding the valve core, the surface of the bottom plate close to the base is used for abutting against the valve core, and the first groove penetrates through the top plate along the axial direction of the rotating axis of the bottom plate.

Through adopting above-mentioned technical scheme, the roof is kept away from to the rotating bottom plate for interval grow between roof and the bottom plate, so that the case can imbed to holding the intracavity. The case embedding holds the chamber and the embedding back, and the cell wall in first groove and the mutual butt case in surface of bottom plate, first groove carry on spacingly to the case to improve the stability that the intracavity was held in the case embedding. After the valve core is embedded into the accommodating cavity, the bottom plate rotates towards the direction close to the top plate under the action of the elastic piece, so that the valve core is clamped by the bottom plate and the top plate. Therefore, the valve core is clamped through the elastic force of the elastic piece, a complex hydraulic driving system is not needed, and therefore the cost required by the production of the valve core can be effectively reduced.

Preferably, a second groove is formed in the surface, close to the top plate, of the bottom plate, the second groove penetrates through the bottom plate along the axial direction of the rotation axis of the bottom plate, and a groove wall of the second groove is used for abutting against the valve core.

Through adopting above-mentioned technical scheme, when the roof is located the bottom plate directly over, if rotate the bottom plate, then there is the contained angle between bottom plate and the horizontal direction, the case embedding holds the chamber in-process, and the case may slide along with the slope of bottom plate based on self gravity, is unfavorable for the case to imbed to holding the intracavity.

But the bottom plate is equipped with the second groove, even after the bottom plate rotated certain angle, the tangent line of second groove periphery still can the level, at this moment for in the case embedding holds the intracavity, the cell wall in second groove can play vertical ascending holding power to the case, slide along with the slope of bottom plate with avoiding the case, and then be convenient for the case embedding to holding the intracavity.

Preferably, the substrate is provided with a hinge groove, and a hinge hole is formed in the groove wall of the hinge groove; the bottom plate comprises a plate body and a hinged shaft, the plate body is provided with a connecting hole, the connecting hole is coaxial with the hinged hole and penetrates through the plate body, and the hinged shaft is coaxially and rotatably embedded into the connecting hole and the hinged hole; the elastic piece is connected between the plate body and the base plate.

Through adopting above-mentioned technical scheme, during the installation, with plate body embedding to articulated inslot to make the articulated shaft pass a hinge hole, connecting hole and another hinge hole in proper order and can make the plate body articulate in the base plate, in order to realize the rotation of plate body, thereby the people's installation of being convenient for.

Preferably, the elastic component is the torsional spring, the plate body is followed connecting hole axial terminal surface extremely there is the interval that is used for supplying the torsional spring embedding between the cell wall in hinge groove, and the coaxial cover of torsional spring is located the articulated shaft periphery, and the torsional spring is used for the cell wall in butt plate body and hinge groove respectively along self axial both ends.

Through adopting above-mentioned technical scheme, often through rotatory extrusion torsional spring so that the torsional spring takes place deformation, the produced elasticity of torsional spring recovery deformation makes the plate body rotatory, consequently, the torsional spring has obvious advantage in compression spring, extension spring or rubber etc.. And the periphery of articulated shaft is located to the torsional spring cover, can reduce the torsional spring and occupy more spaces. Simultaneously, the torsional spring along self axial both ends respectively the butt in the cell wall of plate body and articulated groove to reduce the plate body along the axially sliding's of articulated shaft probability, and then improve the plate body and articulate the stability in the base plate.

Preferably, the base plate includes the base plate and accepts the board, it connects to accept the board can dismantle the base plate deviates from one side of holding the chamber, and accept the board and be used for supplying the elastic component butt.

Through adopting above-mentioned technical scheme, if elastic component lug connection in between base plate and plate body, long this before, base plate or bottom plate board all probably take place wearing and tearing, and the back of wearing and tearing, the tip of elastic component probably imbeds to accepting the board or the bottom plate is by wearing and tearing produced recess to make elastic component produce not hard up, probably influence the follow-up use of elastic component, consequently need change the base plate.

However, the substrate is used as an intermediary for connecting the top plate and the bottom plate, and if the substrate is replaced, the top plate and the bottom plate need to be detached, which is troublesome. After the bearing plate is installed, the elastic piece is abutted to the bearing plate, and when the bearing plate needs to be replaced, the top plate and the bottom plate do not need to be detached, so that people can conveniently install and replace the bearing plate.

Preferably, the surface of the top plate close to the bottom plate is provided with an avoiding groove, the avoiding groove is communicated with the first groove and is used for embedding the valve core, the axial length of the avoiding groove along the rotating axis of the bottom plate is greater than or equal to the length of the valve core, and the groove depth of the avoiding groove is smaller than that of the first groove.

Through adopting above-mentioned technical scheme, when imbedding the case to holding the intracavity, need rotate the bottom plate so that the interval between bottom plate and the roof can make the case embedding. The avoidance groove is formed to reduce the rotation angle of the bottom plate, so that the valve core can be embedded into the accommodating cavity. Meanwhile, the situation that the valve core is pressed against the bottom plate due to the fact that the rotation angle of the bottom plate is too large can be avoided, the valve core slides along the inclined direction of the bottom plate, and the valve core can be stably embedded into the accommodating cavity.

Preferably, the axial length of the avoidance groove along the rotating axis of the bottom plate is equal to the length of the valve core.

By adopting the technical scheme, the valve core finally enters a chuck arranged on the lathe after entering the accommodating cavity. And the avoidance groove limits the valve core when the valve core enters the accommodating cavity, so that the position of the valve core entering the accommodating cavity is fixed every time. When making the case slide via the first groove and get into in the (holding) chuck, gliding distance is comparatively invariable at every turn to the distance in case embedding (holding) chuck is invariable, so that the cutter is to the processing of case, avoids leading to the case production specification to be inconsistent because the distance is inequality in case embedding (holding) chuck, and then needs reprocess, makes the cost of producing the case promote. Therefore, the avoiding groove can avoid the cost required by reworking due to the fact that the production specifications of the valve cores are not uniform to a certain extent, and therefore the production cost of the valve cores is reduced.

Preferably, still include the locating plate, locating plate fixed connection in the base plate is followed the axial one end of bottom plate axis of rotation, and the locating plate deviates from the surface of roof is equipped with the spacing groove, the bottom plate rotates the embedding the spacing inslot, and the tank bottom of spacing groove is used for supplying the bottom plate butt.

Through adopting above-mentioned technical scheme, when not using anchor clamps, the bottom plate imbeds to the spacing inslot. When the valve core is used, the bottom plate is rotated to be separated from the limiting groove, so that the valve core can be embedded into the accommodating cavity. When the valve core is embedded into the accommodating cavity, the bottom plate rotates under the action of the elastic piece until the bottom plate abuts against the bottom of the limiting groove, and at the moment, the valve core is clamped through the bottom plate and the top plate; however, the clamping force generated on the valve core by limiting the excessive rotation of the bottom plate through the groove wall of the limiting groove is overlarge, and when the valve core needs to be embedded into the chuck in a sliding mode, the friction between the valve core and the top plate and between the valve core and the bottom plate is large due to the clamping force. And the cell wall of spacing groove is spacing to the rotation of bottom plate to the case slides in holding the intracavity, avoids the wearing and tearing of case simultaneously.

Preferably, the locating plate is equipped with the transmission hole along the axial surface of bottom plate axis of rotation, the transmission hole runs through the locating plate, and the transmission hole intercommunication hold the chamber.

Through adopting above-mentioned technical scheme, the case slides to needing the atress in the (holding) chuck from holding the chamber, and the transmission hole intercommunication holds the chamber to the gliding instrument of drive valve core stretches into. Simultaneously, carry on spacingly through the pore wall of transmission hole to the instrument to when making the instrument drive valve core slide, make the valve core along the axial slip of transmission hole, with the slip stability who improves the valve core.

Preferably, the hole wall of the transmission hole is provided with an annular groove, and the annular groove is communicated with the accommodating cavity.

By adopting the technical scheme, because the valve core needs to slide along a straight line in the accommodating cavity, the piston rod of the common cylinder for driving the valve core to slide pushes the valve core to slide, but the piston rod is directly driven by the piston rod, the piston rod can be frequently touched and abraded with the valve core, and when the abraded piston rod pushes the valve core to slide, the sliding direction or distance of the valve core can be influenced.

The piston rod is used for being embedded into the transmission hole, the annular groove is used for being detachably connected with a circular plate directly abutting against the valve core, the circular plate can be replaced due to abrasion, and therefore the piston rod is prevented from being replaced, and cost in the process of producing the valve core is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the groove wall of the first groove can limit the valve core embedded into the accommodating cavity, and the top plate and the bottom plate can clamp the valve core through the elastic force of the elastic piece, so that a complex hydraulic driving system is not needed, and the production cost of the valve core is reduced conveniently;

2. when the bottom plate rotates, the second groove is arranged, so that when the valve core is embedded into the second groove, the periphery of the second groove is horizontal to the tangent line of the valve core, the situation that the valve core rotates along the bottom plate to cause inclination, which is not beneficial to embedding of the valve core, is avoided, and therefore the stability of the valve core when the valve core is embedded into the accommodating cavity is improved, and the valve core is conveniently embedded into the accommodating cavity;

3. the limiting groove limits the bottom plate and the top plate to excessively clamp the valve core, so that the friction force of the top plate and the bottom plate to the valve core is reduced, the valve core can conveniently slide in the accommodating cavity, and meanwhile, the abrasion of the valve core is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present application and a valve cartridge.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is an exploded view of an embodiment of the present application.

Description of reference numerals: 1. a substrate; 11. a base plate; 111. a hinge slot; 112. a hinge hole; 113. a third groove; 12. a bearing plate; 2. a top plate; 21. a first groove; 22. an avoidance groove; 3. a base plate; 31. a plate body; 311. connecting holes; 312. a second groove; 32. hinging a shaft; 4. an elastic member; 5. an accommodating chamber; 6. positioning a plate; 61. a limiting groove; 62. a drive hole; 63. a ring groove; 7. a cylinder; 8. a circular plate; 9. a chuck; 01. a valve core.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1 and 2, the embodiment of the application discloses a valve core machining lathe fixture, which comprises a base plate 1, a top plate 2, a bottom plate 3 and an elastic piece 4. The base plate 1 comprises a base plate 11 and a bearing plate 12, wherein the base plate 11 and the bearing plate 12 are similar to a cuboid, and the thickness of the bearing plate 12 is smaller than that of the base plate 11. Base plate 11 vertical setting, and roof 2 integrated into one piece in the top of base plate 11, roof 2 perpendicular to base plate 11. The bottom plate 3 comprises a plate body 31 and a hinge shaft 32, and the surface of the base plate 11 facing away from the top plate 2 is provided with a hinge groove 111. One end of the plate body 31 is used for being rotatably embedded into the hinge groove 111, a hinge hole 112 is formed in the wall of the hinge groove 111, and the hinge hole 112 penetrates through the base plate 11. The plate body 31 fitted into the hinge groove 111 is provided with a coupling hole 311 coaxially with the hinge hole 112, and the coupling hole 311 penetrates the plate body 31. The hinge shaft 32 is coaxially and rotatably fitted into the hinge hole 112 and the coupling hole 311, and the plate body 31 is rotated about the axis of the hinge shaft 32.

Both end surfaces of the plate body 31 fitted into the hinge groove 111 in the axial direction of the hinge shaft 32 are spaced apart from both groove walls of the hinge groove 111 by a distance for fitting the elastic member 4. The elastic member 4 is a torsion spring, and in this embodiment, there are two torsion springs. The two torsion springs are coaxially sleeved on the periphery of the hinge shaft 32, and the two torsion springs are located on two sides of the plate body 31 embedded in the hinge groove 111. Both ends of the torsion spring in the axial direction of the hinge shaft 32 are used to abut against the plate body 31 and the groove wall of the hinge groove 111 to improve the stability of the torsion spring. The torsion spring abuts on both the surface of the plate body 31 facing away from the top plate 2 and the surface of the receiving plate 12 facing away from the base plate 11.

The top plate 2 and the plate body 31 are both located on the same side of the base plate 11, and an area surrounded by the top plate 2, the base plate 11 and the plate body 31 forms a receiving cavity 5 for embedding the valve core 01. The bearing plate 12 is connected to one side of the base plate 11, which is far away from the accommodating cavity 5, through a bolt and a thread, so that the bearing plate 12 can be detached conveniently, the bearing plate 12 is parallel to the base plate 11, and the bearing plate 12 is close to the plate body 31.

The surface of the top plate 2 close to the plate body 31 is provided with a first groove 21, the surface of the plate body 31 close to the top plate 2 is provided with a second groove 312, the surface of the base plate 11 close to the accommodating cavity 5 is provided with a third groove 113, and the first groove 21, the second groove 312 and the third groove 113 respectively penetrate through the top plate 2, the plate body 31 and the base plate 11 along the axial direction of the hinge shaft 32. As mentioned above, the top plate 2 and the base plate 11 are integrally formed, and the groove walls of the first groove 21 and the third groove 113 are seamlessly joined. The projections of the first groove 21, the second groove 312 and the third groove 113 in the axial direction of the hinge shaft 32 are circular arc-shaped. The general valve element 01 has an overall cylindrical shape, so that the first groove 21, the second groove 312 and the third groove 113 facilitate the insertion of the valve element 01, thereby improving the stability of the valve element 01 inserted into the accommodating cavity 5.

The surface of roof 2 near plate body 31 is equipped with dodges the groove 22, dodges groove 22 and communicates first groove 21 and is used for supplying the embedding of case 01, dodges the groove 22 the groove depth be less than the groove depth of first groove 21. The length of the escape groove 22 in the axial direction of the hinge shaft 32 is greater than or equal to the length of the valve element 01 so that the valve element 01 can be inserted into the accommodation chamber 5 via the escape groove 22. In order to make the position of the valve core 01 embedded into the accommodating cavity 5 relatively constant, the axial length of the avoidance groove 22 along the hinge shaft 32 is equal to the length of the valve core 01, and the position of the valve core 01 entering the accommodating cavity 5 is positioned through the avoidance groove 22, so that the position of the valve core 01 is relatively constant after the valve core 01 enters the accommodating cavity 5 through the avoidance groove 22.

Referring to fig. 3, the valve core processing lathe fixture further comprises a positioning plate 6, the positioning plate 6 is integrally connected to the base plate 11 and the top plate 2, and the positioning plate 6 is perpendicular to the top plate 2 and the base plate 11. The surface that locating plate 6 deviates from roof 2 is equipped with spacing groove 61, and spacing groove 61 is used for supplying plate body 31 to rotate the embedding, and when plate body 31 butt in the tank bottom of spacing groove 61, plate body 31 is on a parallel with roof 2, plate body 31 perpendicular to base plate 11.

The positioning plate 6 is provided with a transmission hole 62, and the axial direction of the transmission hole 62 is the same as the axial direction of the hinge shaft 32. The hole wall of the transmission hole 62 is coaxially provided with a ring groove 63, and the ring groove 63 is communicated with the transmission hole 62 and the containing cavity 5.

In order to make the valve core 01 embedded in the accommodating cavity 5 slide, the positioning plate 6 is fixedly connected with the cylinder 7 on the surface departing from the accommodating cavity 5, the piston rod of the cylinder 7 is coaxially embedded in the transmission hole 62, and the end part of the piston rod is in threaded connection with the circular plate 8, so that the circular plate 8 can be detached. The circular plate 8 is embedded into the annular groove 63 and is used for abutting against the valve element 01, the circular plate 8 is driven to slide through the sliding of the piston rod, and the valve element 01 is pushed to slide when the circular plate 8 slides, so that the valve element 01 can be finally embedded into a chuck plate 9 of a lathe.

The implementation principle of the valve core machining lathe fixture in the embodiment of the application is as follows: the rotating plate 31 is separated from the limiting groove 61, so that the valve core 01 can be inserted into the second groove 312 and finally completely inserted into the accommodating cavity 5, and the elastic member 4 deforms. The plate 31 is rotated again to be inserted into the limiting groove 61 under the elastic force generated by the elastic element 4 returning to its original shape, and the groove wall of the second groove 312 and the groove wall of the first groove 21 clamp the valve element 01. The positioning plate 6 is provided with a transmission hole 62 for the piston rod of the cylinder 7 to be inserted in a sliding manner, and a ring groove 63 for the circular plate 8 detachably connected to the end of the piston rod to be inserted in, so as to prevent the valve core 01 and the piston rod from being abraded due to mutual contact. The piston rod pushes the valve core 01 and is slidably inserted into a chuck 9 of a lathe.

In short, the plate body 31 and the top plate 2 clamp the valve core 01 under the action of the elastic part 4, so that the valve core 01 is not required to be clamped and driven by complex structures such as a complex hydraulic driving system, a manipulator and the like, and the production cost of the valve core 01 can be effectively reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a case processing turning attachment which characterized in that: the valve core is characterized by comprising a base plate (1), a top plate (2) and a bottom plate (3), wherein the top plate (2) is fixedly connected to the base plate (1), the bottom plate (3) is rotatably connected to the base plate (1), the top plate (2) and the bottom plate (3) are positioned on the same side of the base plate (1), an accommodating cavity (5) for embedding a valve core is formed in an area surrounded by the top plate (2), the bottom plate (3) and the base plate (1), an elastic part (4) is connected between the bottom plate (3) and the base plate (1), and the elastic part (4) deforms when the bottom plate (3) rotates; the surface of the top plate (2) close to the bottom plate (3) is provided with a first groove (21) for embedding the valve core, the surface of the bottom plate (3) close to the base is used for abutting against the valve core, and the first groove (21) penetrates through the top plate (2) along the axial direction of the rotating axis of the bottom plate (3).

2. The valve core machining lathe jig according to claim 1, wherein: the surface of the bottom plate (3) close to the top plate (2) is provided with a second groove (312), the second groove (312) penetrates through the bottom plate (3) along the axial direction of the rotation axis of the bottom plate (3), and the groove wall of the second groove (312) is used for abutting the valve core.

3. The valve core machining lathe jig according to claim 1, wherein: the base plate (1) is provided with a hinge groove (111), and a hinge hole (112) is formed in the groove wall of the hinge groove (111); the bottom plate (3) comprises a plate body (31) and a hinge shaft (32), the plate body (31) is provided with a connecting hole (311), the connecting hole (311) is coaxial with the hinge hole (112) and penetrates through the plate body (31), and the hinge shaft (32) is coaxially embedded into the connecting hole (311) and the hinge hole (112) in a rotating manner; the elastic piece (4) is connected between the plate body (31) and the base plate (1).

4. The valve core machining lathe jig according to claim 3, wherein: elastic component (4) are the torsional spring, plate body (31) are followed connecting hole (311) axial terminal surface extremely there is the interval that is used for supplying the torsional spring embedding between the cell wall of hinge groove (111), and the coaxial cover of torsional spring is located hinge shaft (32) periphery, and the torsional spring is used for the cell wall of butt plate body (31) and hinge groove (111) respectively along self axial both ends.

5. The tool post machining lathe jig according to claim 3, wherein: base plate (1) include base plate (11) and accept board (12), accept board (12) can dismantle connect in base plate (11) deviate from the one side of holding chamber (5), and accept board (12) and be used for the confession elastic component (4) butt.

6. The valve core machining lathe jig according to claim 1, wherein: the surface of the top plate (2) close to the bottom plate (3) is provided with an avoiding groove (22), the avoiding groove (22) is communicated with the first groove (21) and is used for embedding the valve core (01), the axial length of the avoiding groove (22) along the rotating axis of the bottom plate (3) is greater than or equal to that of the valve core, and the groove depth of the avoiding groove (22) is smaller than that of the first groove (21).

7. The tool post machining lathe jig according to claim 6, wherein: the axial length of the avoiding groove (22) along the rotating axis of the bottom plate (3) is equal to the length of the valve core.

8. The tool post machining lathe jig according to claim 1, wherein: still include locating plate (6), locating plate (6) fixed connection in base plate (1) is followed bottom plate (3) axis of rotation's axial one end, and locating plate (6) deviate from the surface of roof (2) is equipped with spacing groove (61), bottom plate (3) rotate the embedding in spacing groove (61), and the tank bottom of spacing groove (61) is used for supplying bottom plate (3) butt.

9. The valve core machining lathe jig according to claim 8, wherein: locating plate (6) are equipped with drive hole (62) along bottom plate (3) axis of rotation's axial surface, drive hole (62) run through locating plate (6), and drive hole (62) intercommunication hold chamber (5).

10. The valve core machining lathe jig according to claim 9, wherein: and an annular groove (63) is formed in the hole wall of the transmission hole (62), and the annular groove (63) is communicated with the accommodating cavity (5).