CN216939531U

CN216939531U - Frock clamp and machine tool

Info

Publication number: CN216939531U
Application number: CN202220355914.XU
Authority: CN
Inventors: 杨志勇; 宿俊强; 关现辉; 王永富
Original assignee: Gu'an Hanfei Sike Precision Machinery Manufacturing Co ltd
Current assignee: Gu'an Hanfei Sike Precision Machinery Manufacturing Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-12
Anticipated expiration: 2032-02-22

Abstract

The application provides a frock clamp and machine tool, one of them frock clamp for press from both sides tight cylinder finished product, be equipped with at least one bellying group on the finished product, bellying group includes a plurality of bellying, and all bellies that belong to same bellying group distribute along the circumference of finished product, are equipped with first contact surface on the bellying, and first contact surface is perpendicular with the axis of finished product, and frock clamp includes: the bottom plate is provided with a bearing surface, and a space for mounting a finished product is arranged on the bearing surface; the three supporting pieces are arranged on the bearing surface and used for supporting the finished product pieces, so that the vertical distances between the first contact surfaces of the convex parts in the same group and the bearing surface are equal; the clamping pieces are distributed on the bearing surface along an annular array, and are provided with second contact surfaces which can be pressed on the first contact surfaces; the support member raises the bottom of the finished part so that the clamping member has the same cross section with the acting force of the finished part, and the deformation of the outer wall of the finished part is prevented.

Description

Frock clamp and machine tool

Technical Field

The application relates to the technical field of machining, in particular to a tool clamp and a machining machine tool.

Background

The hub is annular, and when processing it, need carry out the smear metal to terminal surface, hole, and traditional smear metal mode is fixed in the compound lathe of turn-milling with hub, has three gripper jaw on the compound lathe, and during the smear metal, three gripper jaw acts on the hub outer wall and holds it tightly, because the hub terminal surface of not smear metal has the burr, when the gripper jaw holds tightly, acts on outside the different cross sections of hub, the hub outer wall is thinner, and the clamping-force is big hub is yielding.

Disclosure of Invention

In view of the above-mentioned defects or shortcomings in the prior art, the present application aims to provide a tooling fixture and a machining tool.

In a first aspect, the present application provides a tooling clamp for press from both sides tight finished product, the finished product is the cylinder, be equipped with at least one bellying group on the finished product, every bellying group includes a plurality of bellying, belongs to same all of bellying group the bellying is followed finished product circumference distributes, be equipped with first contact surface on the bellying, first contact surface with the axis of finished product is perpendicular, tooling clamp includes:

the bottom plate is provided with a bearing surface, and a space for installing the finished product is arranged on the bearing surface;

the three supporting pieces are arranged on the bearing surface and used for supporting the finished product, so that the vertical distances between the first contact surfaces of the convex parts in the same group and the bearing surface are equal;

all the clamping pieces are distributed on the bearing surface along an annular array, a second contact surface is arranged on each clamping piece, and the second contact surface can be pressed on the first contact surface at the corresponding position.

According to the technical scheme that this application embodiment provided, be equipped with the spacing ring on the loading end, the axis of spacing ring with the loading end is perpendicular, the spacing ring with be equipped with a plurality of bracing pieces between the loading end, bracing piece, spacing ring and the loading end has constituted the space of finished product installation.

According to the technical scheme that this application embodiment provided, run through the spacing ring is equipped with a plurality of lock levers, the lock lever can be followed finished product spare radially locks it.

According to the technical scheme provided by the embodiment of the application, the clamping piece comprises a side ejection piece, a limiting rod and a fixing piece, a waist-shaped hole is formed in the side ejection piece along a first direction, and the limiting rod penetrates through the waist-shaped hole and is vertically fixed on the bottom plate; the fixing piece is in threaded connection with the limiting rod and used for fixing the side top piece when the second contact surface presses the first contact surface.

According to the technical scheme that this application embodiment provided, keep away from relatively on the side ejecting piece finished product end is equipped with the screw through-hole, passes the screw through-hole has the piece of increaseing rather than threaded connection for adjust the height of side ejecting piece.

In a second aspect, the application provides a machine tool, which comprises a workbench, and a plurality of tool fixtures can be installed on the workbench simultaneously.

In summary, the application provides a tooling fixture, a support member is arranged on a bottom plate to support a finished product, so that the vertical distance between a first contact surface of a boss on the outer wall of the finished product in the same circumferential direction and the bottom plate is equal, at least three clamping members are distributed on the bottom plate along an annular array, a second contact surface capable of compressing the first contact surface is arranged on each clamping member, the three support members provide upward supporting force for the finished product, the second contact surface provides downward compressing force for the finished product, and the finished product can be compressed under the action of the three support members and the second contact surface; the supporting piece enables the bottom of the finished product to be raised, the influence of burrs on the bottom surface of the finished product is avoided, the acting force of the clamping piece on the finished product is uniform on the same cross section of the finished product, and the deformation of the outer wall of the finished product is prevented.

In addition, this application still provides a machine tool, including installing a plurality of more than simultaneously frock clamp's workstation for same a cutter can be in turn a plurality of finished products of smear metal, has reduced the assistance-time of changing finished product on compound machine tool, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a tooling fixture according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a finished product according to an embodiment of the present application.

The text labels in the figures are represented as:

1. finished products; 11. a boss portion; 111. a first contact surface; 2. a base plate; 21. a bearing surface; 3. a support member; 4. a clamping member; 41. a second contact surface; 42. a side top member; 421. a kidney-shaped hole; 43. a limiting rod; 44. a fixing member; 45. a threaded through hole; 46. a height adjusting piece; 5. a limiting ring; 6. a support bar; 7. a locking lever.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

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

Example 1

As mentioned in the background art, the present application provides a tooling fixture for clamping a finished product 1, as shown in fig. 2, where the finished product 1 is cylindrical, at least one protrusion group is disposed on an outer wall of the finished product 1, each protrusion group includes a plurality of protrusions 11, all the protrusions 11 belonging to the same protrusion group are distributed along a circumferential direction of the finished product 1, specifically, in this embodiment, three protrusion groups are disposed on an outer circumferential surface of the finished product 1 along a direction parallel to an axis thereof, each protrusion group includes a plurality of protrusions 11, and the protrusions 11 are located on the same cross section of the finished product 1; as shown in fig. 1, the work fixture includes:

the bottom plate 2 is provided with a bearing surface 21, and a space for installing the finished product 1 is formed in the bearing surface 21; specifically, the bearing surface 21 is perpendicular to the axis of the finished product 1; the bottom plate 2 is square, the finished product 1 is placed on the bearing surface 21, the first contact surface 111 is arranged on the upper surface of the group of the protrusions 11 relatively close to the bearing surface 21, and preferably, the first contact surface 111 is trapezoidal;

the three supporting members 3 are arranged on the bearing surface 21, and are used for supporting the finished product 1, so that the vertical distances between the first contact surfaces 111 of the protrusions 11 in the same group and the bearing surface 21 are equal; optionally, the supporting members 3 are cylinders with the same height, the bottom edge of the finished product 1 is placed on the supporting members 3, the connecting lines of the three supporting members 3 can form an equilateral triangle, preferably, the three supporting members 3 can be cylinders in threaded connection with the bottom plate 2, and according to the burr condition of the bottom end surface of the finished product 1, the height of the supporting members 3 can be adjusted, so that the height of the supporting members 3 is greater than the length of the burr, and then the vertical distance between the first contact surface 111 of the convex part 11 and the bottom plate 2 of the same section of the finished product 1 is equal;

at least three clamping pieces 4, wherein all the clamping pieces 4 are distributed on the bearing surface 21 along an annular array, a second contact surface 41 is arranged on each clamping piece 4, and the second contact surface 41 can be pressed on the first contact surface 111 at the corresponding position; the three supporting members 3 provide upward supporting force for the finished part 1, and the second contact surface 41 provides downward pressing force for the finished part 1, so that the finished part 1 can be pressed under the action of the three supporting members; the supporting part 3 lifts the bottom of the finished product 1, the influence of burrs on the bottom surface of the finished product 1 is avoided, the acting force of the clamping part 4 on the finished product 1 is uniform on the same cross section of the finished product 1, and the deformation of the outer wall of the finished product is prevented.

Further, as shown in fig. 1, a limiting ring 5 is arranged on the bearing surface 21, an axis of the limiting ring 5 is perpendicular to the bearing surface 21, a plurality of support rods 6 are arranged between the limiting ring 5 and the bearing surface 21, the support rods 6, the limiting ring 5 and the bearing surface 21 constitute a space for installing the finished product 1, specifically, the support rods 6 are perpendicular to the bearing surface 21 and are arranged on an outer edge of the limiting ring 5, the limiting ring 5 is relatively far away from the upper surface of the bottom plate 2 and is slightly lower than the end surface of the finished product 1, so that the end surface of the finished product 1 is conveniently subjected to cutting, the limiting ring 5 and the support rods 6 are arranged outside the finished product 1, and the finished product 1 is conveniently located.

Further, as shown in fig. 1, a plurality of locking rods 7 are arranged through the limiting ring 5, and the locking rods 7 can lock the finished part 1 in the radial direction; optionally, the locking rods 7 are screws penetrating through the limiting ring 5 and connected with the limiting ring by threads, the screws can move along the radial direction of the finished part 1, and in this embodiment, the number of the locking rods 7 is three, and the locking rods are distributed on the limiting ring 5 along an array; the contact between the locking rod 7 and the finished product 1 is approximately point-surface contact, so that the finished product 1 can be prevented from rotating along the circumferential direction, the clamping reliability of the finished product 1 is improved, and the chip precision is improved.

Further, as shown in fig. 1, the clamping member 4 includes a side top member 42, a limiting rod 43 and a fixing member 44, a waist-shaped hole 421 is formed in the side top member 42 along a first direction, and the limiting rod 43 passes through the waist-shaped hole 421 and is vertically fixed on the bottom plate 2; the fixing member 44 is in threaded connection with the limiting rod 43, and is used for fixing the side top member 42 when the second contact surface 41 presses the first contact surface.

Specifically, the first direction is a radial direction of the finished part 1, the bottom end of the limiting rod 43 is fixed on the bottom plate 2, the outer wall of the bottom end is provided with a thread, and the fixing part 44 is a nut and can be in threaded connection with the top end of the limiting rod 43; the outer diameter of the limiting rod 43 is slightly smaller than the width of the waist-shaped hole 421, and the side top plate 42 can move along the outer wall of the limiting rod 43 toward or away from the finished product 1, and can also move up and down along the outer wall of the limiting rod 43; and the outer diameter of the fixing member 44 is larger than the width of the waist-shaped hole 421, and after the second contact surface 41 presses the first contact surface 111, the fixing member 44 is rotated to fix the side top member 42 on the boss 11, so as to prevent the finished member 1 from moving during the cutting process. The side top piece 42 provides downward pressing force to the finished piece 1, the support piece 3 provides upward supporting force to the finished piece 1, and the locking rod 7 provides circumferential acting force to the finished piece 1, so that the clamping stability of the finished piece 1 is improved.

Further, as shown in fig. 1, a threaded through hole 45 is formed in the side top member 42 at an end relatively far from the finished member 1, and a height adjusting member 46 is connected to the threaded through hole 45 through a thread for adjusting the height of the side top member 42. Specifically, heightening piece 46 is a screw rod with external threads, the bottom end of the heightening piece is a nut and props against bottom plate 2, the top end of the heightening piece passes through threaded through hole 45 and is arranged above side jacking piece 42, the nut is rotated to enable side jacking piece 42 to move up and down, and the heightening piece 46 replaces manual heightening, so that the adjusting accuracy is improved.

Example 2

The application provides a machine tool, including the workstation, can install more than a plurality of simultaneously on the workstation frock clamp. Specifically, the worktable has a rectangular table top, a plurality of threaded holes used for fixing the bottom of the bottom plate 2 of the tool clamp are arranged on the table top of the worktable, the tool clamp can be fixed on the worktable through bolts, the traditional machining mode of the finished product 1 is that the finished product 1 is held by three clamping claws on a composite machine tool, a cutting knife is fixed, and the finished product 1 is rotated, so that the finished product 1 is machined, in the application, the finished product 1 is fixed on the worktable through the tool clamps, a rotatable cutting knife is arranged above the worktable, the cutting knife is rotated to complete cutting work, and the finished product 1 is machined by moving the cutting knife in turn, on one hand, the stability of clamping the finished product 1 is improved, the cutting precision is improved, on the other hand, the working efficiency is improved.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. The utility model provides a frock clamp for press from both sides tight finished product (1), finished product (1) is the cylinder, be equipped with at least one bellying group on finished product (1) outer wall, every bellying group includes a plurality of bellying (11), belongs to same all bellying group bellying (11) are followed the circumference of finished product (1) distributes, be equipped with first contact surface (111) on bellying (11), first contact surface (111) with the axis of finished product (1) is perpendicular, its characterized in that, frock clamp includes:

the bottom plate (2), the bottom plate (2) has a bearing surface (21), the bearing surface (21) is provided with a space for installing the finished product (1);

the three supporting pieces (3) are arranged on the bearing surface (21) and used for supporting the finished product (1) so that the vertical distances between the first contact surface (111) of each boss (11) in the same group and the bearing surface (21) are equal;

at least three holder (4), all holder (4) are in along annular array distribution on bearing surface (21), be equipped with second contact surface (41) on holder (4), second contact surface (41) can compress tightly on corresponding position first contact surface (111).

2. The tooling clamp of claim 1, wherein: be equipped with spacing ring (5) on loading surface (21), the axis of spacing ring (5) with loading surface (21) are perpendicular, spacing ring (5) with be equipped with a plurality of bracing pieces (6) between loading surface (21), bracing piece (6), spacing ring (5) and loading surface (21) have constituted the space of finished product (1) installation.

3. The tooling clamp of claim 2, wherein: run through spacing ring (5) are equipped with a plurality of check lock levers (7), check lock lever (7) can be followed finished product spare (1) radially is with its locking.

4. The tooling clamp of claim 1, wherein: the clamping piece (4) comprises a side top piece (42), a limiting rod (43) and a fixing piece (44), a waist-shaped hole (421) is formed in the side top piece (42) along the first direction, and the limiting rod (43) penetrates through the waist-shaped hole (421) and is vertically fixed on the bottom plate (2); the fixing piece (44) is in threaded connection with the limiting rod (43) and is used for fixing the side top piece (42) when the second contact surface (41) presses the first contact surface (111).

5. The tooling clamp of claim 4, wherein: the side ejecting piece (42) is provided with a thread through hole (45) at the end relatively far away from the finished product (1), and a height adjusting piece (46) penetrates through the thread through hole (45) and is connected with the thread through hole and is used for adjusting the height of the side ejecting piece (42).

6. A processing machine tool is characterized in that: the tool clamp comprises a workbench, and a plurality of tool clamps as claimed in any one of claims 1 to 5 can be simultaneously mounted on the workbench.