CN212600449U

CN212600449U - Drilling positioning tool for valve production

Info

Publication number: CN212600449U
Application number: CN202020820968.XU
Authority: CN
Inventors: 倪明主
Original assignee: Hexian Kejia Valve Casting Co ltd
Current assignee: Hexian Kejia Valve Casting Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-26
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to the technical field of valve processing equipment, specifically disclose a drilling location frock for valve production, comprising a base plate, a left splint and a right splint, wherein the left splint and the right splint are respectively arranged at the left end and the right end of the upper surface of the base plate, the middle part of the lower end of the left splint and the right splint is provided with a threaded hole, the lower ends of the left splint and the right splint at the two sides of the threaded hole are both provided with a sliding hole, the right side of the right splint is provided with a motor, an output shaft of the motor is connected with a bidirectional lead screw, the bidirectional lead screw passes through the threaded holes on the left splint and the right splint, the end part of the bidirectional lead screw is connected with a bearing seat, and the; this press from both sides tight frock can guarantee the valve drilling time compress tightly the effect through the three-terminal effect that compresses tightly of triangle-shaped clamp splice, valve handle compact heap, and whole process of compressing tightly is quick moreover, need not manual operation, and the practicality is strong.

Description

Drilling positioning tool for valve production

Technical Field

The utility model relates to a valve processing equipment technical field specifically discloses a valve production is with drilling location frock.

Background

In the machining process of the valve, a boring machine is needed to drill the flanges, used for connecting the water pipes, at the two ends of the valve, and meanwhile, the valve needs to be clamped by a clamp in the drilling process of the boring machine, so that the valve is prevented from sliding in the drilling process, and the effect of ensuring the drilling precision is achieved. At present, two cylinders promote the clamp splice with the valve clamp tightly about all utilizing in most boring machines, then carry out porous position drilling simultaneously to both ends flange on the valve through the drill bit at both ends, and its clamp force effect is not good, not only makes the drilling precision low, breaks the drill bit easily moreover, has greatly increased the manufacturing cost of enterprise.

For example, the utility model with the patent number CN202877965U discloses a valve drilling tool, wherein the valve drilling tool comprises a fixed operation table, a bracket, a clamp and a rocker; the fixture is movably matched with the fixed guide rails, the fixture is connected with a screw rod penetrating through one of the supports, and the screw rod is provided with an extending end which is matched with the rocker in a clamping manner; the valve drilling tool enables the clamp to move towards the left support through the rotating screw rod so as to clamp the valve, but the valve drilling tool not only needs manual operation and is large in labor capacity, but also is poor in clamping effect, drilling precision is low, and the drill bit is easy to break. Therefore, aiming at the defects of the existing valve drilling tool, the drilling positioning tool for valve production, which can realize quick clamping of the valve and has excellent clamping effect, is designed, and is a technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming current valve drilling frock not only needs manual operation, and the amount of labour is big, and it is not good to press from both sides tight effect moreover for the drilling precision is low, and with the problem of drill bit rupture easily, design one kind can realize pressing from both sides tight, just press from both sides tight excellent valve production with drilling location frock to the valve fast.

The utility model discloses a realize through following technical scheme:

a drilling positioning tool for valve production comprises a bottom plate, a left clamp plate and a right clamp plate, wherein the left clamp plate and the right clamp plate are respectively arranged at the left end and the right end of the upper surface of the bottom plate, threaded holes are formed in the middles of the lower ends of the left clamp plate and the right clamp plate, sliding holes are formed in the lower ends of the left clamp plate and the right clamp plate on two sides of each threaded hole, a motor is arranged on the right side of the right clamp plate, a bidirectional lead screw is connected onto an output shaft of the motor and penetrates through the threaded holes in the left clamp plate and the right clamp plate, bearing seats are connected to the end portions of the bidirectional lead screw, sliding rods matched with the sliding holes are arranged at the front end and the rear end of the upper surface of the bottom plate, pin shafts are fixed at the front end and the rear end of the inner side of the left clamp plate and, a first hydraulic cylinder is arranged at the lower end between the two triangular clamping blocks, a lifting block is connected to the top end of a piston rod of the first hydraulic cylinder, movable rods are rotatably connected to two ends of the lifting block, a first rotating part is welded to the inner side of the lower end of each triangular clamping block, the upper end of each movable rod is movably connected with the corresponding first rotating part, and a plurality of drill bit through holes in an annular array are formed in the left clamping plate and the right clamping plate above the two triangular clamping blocks;

the rear end of department is fixed with the valve handle and places the piece in the middle of the bottom plate, the arc standing groove has been seted up to the upper surface that the piece was placed to the valve handle, is located the rear side that the piece was placed to the valve handle is provided with the connecting plate, the last fixed surface of connecting plate has the rotating turret, the upper end of rotating turret is rotated and is connected with and compresses tightly the lever, the front end lower surface that compresses tightly the lever is connected with the valve handle compact heap, is located be provided with the second pneumatic cylinder under compressing tightly the lever rear end, the rear end lower surface that compresses tightly the lever is provided with the second and rotates the piece, the piston rod top and the second of second pneumatic cylinder rotate.

As a further arrangement of the scheme, long strip plates are welded on the front end face and the rear end face of the bottom plate, and a chip cleaning port is formed in the middle of the long strip plate on the front side; the long lath plate can play a limiting role in the movement adjustment process of the left clamping plate and the right clamping plate, and meanwhile, the chip cleaning port arranged on the long lath plate is convenient for subsequent operators to clean chips, so that the inside cleanness of the boring machine is ensured.

As the further arrangement of the scheme, the rubber anti-slip layer is arranged on the outer surface of the arc-shaped clamping surface, and the arranged rubber anti-slip layer can not only prevent the slipping of the flanges at the two ends of the valve body in the clamping process, but also prevent the indentation caused by the overlarge clamping force to the circumferential surface of the flange.

As a further arrangement of the scheme, 6-12 drill bit through holes are formed in the left clamping plate and the right clamping plate; the number of drill holes is set according to the number of drill bits at one end of an actual boring machine.

As a further arrangement of the scheme, a pressing groove matched with the surface of the valve is arranged on the lower surface of the valve handle pressing block, and a rubber skin layer is arranged on the top wall of the pressing groove; the pressing groove can enable the pressing area of the valve handle pressing block and the upper surface of the valve body to be larger, the pressing effect is guaranteed, and the rubber skin layer can also prevent indentation on the upper surface of the valve body.

Has the advantages that:

1. compared with the prior art, when the flange at the two ends of the valve is drilled, the operator only needs to place the flanges at the two ends of the valve between the two triangular clamping blocks on the left clamping plate and the right clamping plate respectively, and only needs to place the valve handle in the middle of the valve in the arc-shaped placing groove on the upper surface of the valve handle placing block, and then starts the first hydraulic cylinder and the second hydraulic cylinder; when a piston rod of the first hydraulic cylinder is shortened, the lifting block is pulled down, and then the upper ends of the two triangular clamping blocks are mutually closed under the action of the movable rod, so that flanges at two ends of the valve are clamped; the outer end that can will compress tightly the lever when the piston rod of second pneumatic cylinder extends upwards jack-up to push down the valve handle compact heap through lever principle, the valve handle compact heap that its pushed down can firmly press the valve handle upper surface in the middle of the valve, this press from both sides tight frock through the three-terminal effect of compressing tightly of triangle-shaped clamp splice, valve handle compact heap and can guarantee the valve effect that compresses tightly when drilling, whole process of compressing tightly is quick moreover, need not manual operation, and the practicality is strong.

2. This drilling location frock is used in valve production, when pressing from both sides tightly not equidimension valve, only need starter motor, can be to left splint through the effect between two-way lead screw and the screw hole, distance between the right splint is adjusted, make it be applicable to the valve of different length size, adjust the length that shortens through first pneumatic cylinder piston rod in addition, the arc clamp face of seting up on the triangle-shaped clamp splice can press from both sides tightly the valve both ends flange of not equidimension, the applicable valve drilling processing in different models of whole frock, its suitability is wider.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first angle three-dimensional structure diagram of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a three-dimensional structure view of the left clamp plate, the triangular clamp blocks, etc. of the present invention;

fig. 4 is a front plan view of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,

The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 4, in conjunction with the embodiments.

Example 1

Embodiment 1 has described a drilling location frock for valve production, refers to fig. 1 and fig. 2, and its major structure includes bottom plate 1, left splint 2 and right splint 3. Wherein, the left splint 2 and the right splint 3 are respectively fixed at the left end and the right end of the upper surface of the bottom plate 1. Referring to the attached drawing 3, pin shafts 4 are fixed at the front and rear ends of the inner side surfaces of the left splint 2 and the right splint 3, triangular clamping blocks 5 are rotatably arranged on the two pin shafts 4, an arc-shaped clamping surface 501 is arranged on the upper surface of the inner side of each triangular clamping block 5, and a rubber anti-skid layer 503 is arranged on the outer surface of each arc-shaped clamping surface 501. The lower end of the middle of the two triangular clamping blocks 5 is provided with a first hydraulic cylinder 6, and the lower end of the first hydraulic cylinder 6 is fixed at the lower ends of the left clamping plate 2 and the right clamping plate 3. The top end of a piston rod of the first hydraulic cylinder 6 is connected with a lifting block 7, two ends of the lifting block 7 are rotatably connected with movable rods 8, a first rotating piece 502 is welded on the inner side of the lower end of each triangular clamping block 5, and the upper end of each movable rod 8 is movably connected with the corresponding first rotating piece 502. Meanwhile, a plurality of drill bit through holes 9 arranged in an annular array are formed in the left clamping plate 2 and the right clamping plate 3 which are positioned above the two triangular clamping blocks 5, and drill bits on a boring machine act on flanges at two ends of the valve through the drill bit through holes 9 in the drilling process. Specifically, eight drill bit holes 9 are provided in the present embodiment, which are arranged in an annular array.

Referring to fig. 2, a valve handle placing block 10 is fixed to the rear end of the middle of a bottom plate 1, an arc-shaped placing groove 101 is formed in the upper surface of the valve handle placing block 10, a connecting plate 11 is arranged on the rear side of the valve handle placing block 10, a rotating frame 12 is fixed to the upper surface of the connecting plate 11, a pressing lever 13 is rotatably connected to the upper end of the rotating frame 12, a valve handle pressing block 14 is connected to the lower surface of the front end of the pressing lever 13, a pressing groove 141 matched with the upper surface of a valve is formed in the lower surface of the valve handle pressing block 14, and a rubber skin layer (not shown in the drawing) is arranged on the top wall of the pressing groove 141. A second hydraulic cylinder 15 is arranged right below the rear end of the pressing lever 13, the lower end of the second hydraulic cylinder 15 is fixed on the upper surface of the connecting plate 11, a second rotating member 16 is arranged on the lower surface of the rear end of the pressing lever 13, and the top end of a piston rod of the second hydraulic cylinder 15 is rotatably connected with the second rotating member 16.

Example 2

Embodiment 2 is a further improvement of embodiment 1, and mainly adds a function of adjusting the distance between the left clamping plate 2 and the right clamping plate 3, so that the valve drilling machine can be suitable for valve drilling machining with different lengths. The following description will be made with reference to fig. 1 to 4.

Embodiment 2 has described a drilling location frock for valve production, refers to fig. 1 and fig. 2, and its major structure includes bottom plate 1, left splint 2 and right splint 3. Wherein, the left splint 2 and the right splint 3 are respectively arranged at the left end and the right end of the upper surface of the bottom plate 1 in a sliding way. All seted up threaded hole 17 in the middle of the lower extreme of left splint 2 and right splint 3, the slide opening 18 has all been seted up to the left splint 2 and the 3 lower extreme of right splint that lie in threaded hole 17 both sides, the right side that lies in right splint 3 is provided with motor 19, there is two-way lead screw 20 through the coupling joint on its motor 19's the output shaft, and pass the screw hole 17 setting on left splint 2 and the right splint 3 with two-way lead screw 20, then there is bearing frame 21 at the end connection of two-way lead screw 20, its bearing frame 21 is fixed at the left end upper surface of bottom plate 1, and simultaneously, both ends all are provided with slide bar 22 with slide opening 18 matched with around the bottom plate 1. When the distance between the left clamping plate 2 and the right clamping plate 3 needs to be adjusted, the distance between the two clamping plates can be adjusted through the starting motor 19 and the cooperation between the two-way screw rod 20 and the threaded hole 17. In addition, all weld long lath 23 in bottom plate 1's front and back terminal surface department, its long lath 23 can play limiting displacement to the left splint 2 and the right splint 3 that remove the in-process to piece clearance mouth 231 has been seted up to the centre department of the long lath 23 of front side, and it is convenient for clear up out bottom plate 1 upper surface with the piece that the drilling in-process produced.

Referring to the attached drawing 3, pin shafts 4 are fixed at the front and rear ends of the inner side surfaces of the left splint 2 and the right splint 3, triangular clamping blocks 5 are rotatably arranged on the two pin shafts 4, an arc-shaped clamping surface 501 is arranged on the upper surface of the inner side of each triangular clamping block 5, and a rubber anti-skid layer 503 is arranged on the outer surface of each arc-shaped clamping surface 501. The lower end of the middle of the two triangular clamping blocks 5 is provided with a first hydraulic cylinder 6, and the lower end of the first hydraulic cylinder 6 is fixed at the lower ends of the left clamping plate 2 and the right clamping plate 3. The top end of a piston rod of the first hydraulic cylinder 6 is connected with a lifting block 7, two ends of the lifting block 7 are rotatably connected with movable rods 8, a first rotating piece 502 is welded on the inner side of the lower end of each triangular clamping block 5, and the upper end of each movable rod 8 is movably connected with the corresponding first rotating piece 502. Meanwhile, a plurality of drill bit through holes 9 arranged in an annular array are formed in the left clamping plate 2 and the right clamping plate 3 which are positioned above the two triangular clamping blocks 5, and ten drill bit through holes 9 arranged in an annular array are formed in the embodiment.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A drilling and positioning tool for valve production is characterized by comprising a bottom plate, a left clamping plate and a right clamping plate, wherein the left clamping plate and the right clamping plate are respectively arranged at the left end and the right end of the upper surface of the bottom plate, threaded holes are formed in the middles of the lower ends of the left clamping plate and the right clamping plate, sliding holes are formed in the lower ends of the left clamping plate and the right clamping plate on two sides of the threaded holes, a motor is arranged on the right side of the right clamping plate, a bidirectional lead screw is connected onto an output shaft of the motor and penetrates through the threaded holes in the left clamping plate and the right clamping plate, bearing seats are connected to the end portions of the bidirectional lead screw, sliding rods matched with the sliding holes are arranged at the front end and the rear end of the upper surface of the bottom plate, hinge pins are fixed at the front end and the rear end of the inner side surfaces of the left clamping plate, a first hydraulic cylinder is arranged at the lower end between the two triangular clamping blocks, a lifting block is connected to the top end of a piston rod of the first hydraulic cylinder, movable rods are rotatably connected to two ends of the lifting block, a first rotating part is welded to the inner side of the lower end of each triangular clamping block, the upper end of each movable rod is movably connected with the corresponding first rotating part, and a plurality of drill bit through holes in an annular array are formed in the left clamping plate and the right clamping plate above the two triangular clamping blocks;

2. The drilling and positioning tool for valve production according to claim 1, wherein the front end face and the rear end face of the bottom plate are welded with long strips, and a chip cleaning port is formed in the middle of the long strips on the front side.

3. The drilling positioning tool for valve production according to claim 1, wherein a rubber anti-slip layer is arranged on the outer surface of the arc-shaped clamping surface.

4. The drilling and positioning tool for valve production according to claim 1, wherein 6-12 drill holes are formed in the left clamping plate and the right clamping plate.

5. The drilling positioning tool for valve production according to claim 1, wherein a pressing groove matched with the surface of the valve is formed in the lower surface of the valve handle pressing block, and a rubber skin layer is arranged on the top wall of the pressing groove.