CN212762881U

CN212762881U - Positioning fixture is used in processing of nodular cast iron work piece

Info

Publication number: CN212762881U
Application number: CN202020952166.4U
Authority: CN
Inventors: 汪伟金
Original assignee: Zhejiang Changxing Henglong Heavy Industry Machinery Co ltd
Current assignee: Zhejiang Changxing Henglong Heavy Industry Machinery Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-23
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a positioning fixture is used in processing of nodular cast iron work piece, comprising a base plate, the trapezoidal spout of two parallels is seted up to the upper end of bottom plate, sliding connection has trapezoidal slider, two in the trapezoidal spout the same piece horizontally workstation of upper end fixedly connected with of trapezoidal slider, two the equal fixedly connected with bar shaped plate in bottom plate upper end in the trapezoidal spout outside, and all seted up the bar groove on the relative lateral wall of two bar shaped plates, it is connected with the threaded rod to rotate on the inner wall in bar groove, and the threaded rod keeps away from the one end in bar groove and extend to the outside of bar shaped plate and be connected with the casing, casing fixed connection is on the lateral wall of two bar shaped plates, and fixedly connected with and the driving motor that one of them threaded rod corresponds on the lateral wall. The utility model discloses can prescribe a limit to the position of the nodular cast iron work piece that needs processed, guarantee to add stability man-hour, reduce the condition of skew, help improving the quality of processing.

Description

Positioning fixture is used in processing of nodular cast iron work piece

Technical Field

The utility model relates to a nodular cast iron technical field especially relates to a positioning fixture is used in processing of nodular cast iron work piece.

Background

Spheroidal graphite cast iron, which is spheroidal graphite obtained by spheroidization and inoculation, has been rapidly developed as a cast iron material second only to gray cast iron and has a wide range of applications.

The nodular cast iron workpiece needs to be clamped and fixed in the machining process so as to be polished, however, in actual production, a commonly used cast iron workpiece clamping device can only clamp a single workpiece generally, flexible adjustment cannot be performed according to the actual shape of the nodular cast iron workpiece, the clamping and fixing effects are not good, the workpiece is prone to tilting during machining, the machining quality is reduced, and the machining efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a positioning fixture for machining a nodular cast iron workpiece.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning fixture for machining a ductile cast iron workpiece comprises a bottom plate, wherein two parallel trapezoidal sliding grooves are formed in the upper end of the bottom plate, trapezoidal sliding blocks are connected in the trapezoidal sliding grooves in a sliding mode, the upper ends of the two trapezoidal sliding blocks are fixedly connected with a horizontal workbench, strip-shaped plates are fixedly connected to the upper end of the bottom plate outside the two trapezoidal sliding grooves, strip-shaped grooves are formed in the side walls, opposite to the two strip-shaped plates, of the strip-shaped grooves, threaded rods are rotatably connected to the inner walls of the strip-shaped grooves, one ends, away from the strip-shaped grooves, of the threaded rods extend to the outer sides of the strip-shaped plates and are connected with a shell, the shell is fixedly connected to the side walls of the two strip-shaped plates, a driving motor corresponding to one of the threaded rods is fixedly connected to the side walls of the shell, and the threaded rod runs through the partition board, the threaded rods on the two sides of the partition board are respectively provided with threads with opposite turning directions, the outer sides of the two threads are respectively in threaded connection with a moving block, the moving block is far away from an L-shaped positioning piece corresponding to the workbench and fixedly connected to the side wall of the strip-shaped groove, and the upper ends of the two strip-shaped plates are provided with fixing mechanisms connected with the workbench.

Preferably, the transmission mechanism comprises a chain wheel fixedly sleeved on the outer side of the threaded rod in the shell, and the two chain wheels are connected by the same chain.

Preferably, the L-shaped positioning piece and the side wall of the workbench are at the same height, and a protective pad is fixedly connected to the side wall of the L-shaped positioning piece opposite to the workbench.

Preferably, the fixing mechanism comprises a gantry support fixedly connected between the upper ends of the two strip-shaped plates, a rectangular opening is formed in the upper end of the gantry support, a horizontal movable plate is connected in the rectangular opening in a sliding mode, the movable plate is connected with the inner wall of the rectangular opening through a sliding mechanism, an electric push rod is fixedly connected to the upper end of the movable plate, and the telescopic end of the electric push rod extends to the lower side of the movable plate and is fixedly connected with a horizontal pressing plate.

Preferably, the sliding mechanism comprises a sliding groove formed in the inner wall of the rectangular opening, the movable plate is connected in the sliding groove in a sliding mode, a plurality of threaded holes communicated with the sliding groove are evenly distributed in the upper end of the gantry support, and a fastening knob fixed with the movable plate is connected to the threaded holes in an internal thread mode.

Preferably, the pressing plate is correspondingly arranged on the upper side of the workbench, and the lower end of the pressing plate is fixedly connected with a rubber pad opposite to the workbench.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses under drive mechanism's use, can realize the rotation of two threaded rods simultaneously, and then make the movable block of baffle both sides do relative motion, thereby can inject the stable intermediate position in two bar boards of workstation, guarantee that nodular cast iron work piece adds the stability of position man-hour, furthermore, under fixed establishment's use, promptly under the cooperation of clamp plate and workstation is used, can inject the position of the nodular cast iron work piece that needs processing, guarantee the stability man-hour, reduce the condition of skew, help improving the quality of processing.

Drawings

Fig. 1 is a schematic external structural view of a positioning fixture for machining a ductile cast iron workpiece according to the present invention;

fig. 2 is a schematic side structure view of a positioning fixture for machining a ductile cast iron workpiece according to the present invention;

fig. 3 is a schematic top view of the positioning fixture for machining a ductile cast iron workpiece provided by the present invention;

fig. 4 is the utility model provides a nodular cast iron work piece processing is with positioning fixture's casing inner structure plan view.

In the figure: the device comprises a base plate 1, a trapezoidal sliding chute 2, a trapezoidal sliding block 3, a workbench 4, a strip-shaped plate 5, a threaded rod 6, a shell 7, a driving motor 8, a partition plate 9, a moving block 10, an L-shaped positioning piece 11, a chain wheel 12, a chain 13, a gantry support 14, a movable plate 15, an electric push rod 16 and a pressing plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a positioning fixture for machining a ductile cast iron workpiece, comprising a bottom plate 1, wherein two parallel trapezoidal chutes 2 are formed at the upper end of the bottom plate 1, trapezoidal sliders 3 are slidably connected in the trapezoidal chutes 2, the upper ends of the two trapezoidal sliders 3 are fixedly connected with a same horizontal workbench 4, strip-shaped plates 5 are fixedly connected to the upper ends of the bottom plate 1 at the outer sides of the two trapezoidal chutes 2, strip-shaped grooves are formed in the opposite side walls of the two strip-shaped plates 5, threaded rods 6 are rotatably connected to the inner walls of the strip-shaped grooves, one ends of the threaded rods 6 far away from the strip-shaped grooves extend to the outer sides of the strip-shaped plates 5 and are connected with a shell 7, the shell 7 is fixedly connected to the side walls of the two strip-shaped plates 5, a driving motor 8 corresponding to one of the threaded rods 6 is fixedly connected to the side wall of, specifically, drive mechanism is including the fixed sprocket 12 that cup joints the threaded rod 6 outside in casing 7, and is connected by same chain 13 between two sprockets 12, under drive mechanism's use, can realize the rotation of two threaded rods 6 simultaneously, and then makes the movable block 10 of baffle 9 both sides do relative motion to can inject the stable intermediate position in two bar plates 5 of workstation 4, guarantee that the nodular cast iron work piece adds the stability of position man-hour.

Wherein, bar inslot wall central authorities fixedly connected with baffle 9, and threaded rod 6 runs through baffle 9, is provided with the opposite screw thread of direction of rotation on the threaded rod 6 of baffle 9 both sides respectively, and the equal threaded connection in the outside of two sections screw threads has movable block 10, and fixedly connected with L shape setting element 11 that corresponds with workstation 4 on the lateral wall that the bar inslot was kept away from to movable block 10, and L shape setting element 11 is in same height with the lateral wall of workstation 4, and fixedly connected with protection pad on the relative lateral wall of L shape setting element 11 and workstation 4.

Wherein, the upper ends of the two strip-shaped plates 5 are provided with a fixing mechanism connected with the workbench 4, the fixing mechanism comprises a gantry support 14 fixedly connected between the upper ends of the two strip-shaped plates 5, the upper end of the gantry support 14 is provided with a rectangular opening, a horizontal movable plate 15 is slidably connected in the rectangular opening, the movable plate 15 is connected with the inner wall of the rectangular opening by a sliding mechanism, the sliding mechanism comprises a chute arranged on the inner wall of the rectangular opening, the movable plate 15 is slidably connected in the chute, the upper end of the gantry support 14 is uniformly distributed with a plurality of threaded holes communicated with the chute, the threaded holes are internally threaded with fastening knobs fixed with the movable plate 15, the transverse position of the movable plate 15 can be adjusted and fixed under the use of the sliding mechanism, the use range of the fixing mechanism is increased, the upper end of the movable plate 15 is fixedly connected with an electric push rod 16, the telescopic end of the electric push rod 16 extends, the clamp plate 17 corresponds the upside that sets up at workstation 4, and the lower extreme fixedly connected with of clamp plate 17 and the relative rubber pad of workstation 4, uses under the cooperation of clamp plate 17 and workstation 4, can prescribe a limit to the position of the nodular cast iron work piece that needs to process, guarantees the stability of adding man-hour, reduces the condition of skew, helps improving the quality of processing.

The utility model discloses when using, can arrange the nodular cast iron work piece that needs processing in workstation 4, then start driving motor 8, under the transmission of chain 13, can realize the rotation of two threaded rods 6 simultaneously, and then make the movable block 10 of baffle 9 both sides do relative motion, thereby can inject the stable intermediate position in two bar plates 5 with workstation 4, even make the stable downside of fixing at gantry support of workstation, through the lateral position who adjusts fly leaf 15, the regulation that can correspond to the clamping position of cast iron work piece, then start electric putter 16, use down in the cooperation of clamp plate 17 and workstation 4, can inject the position of the nodular cast iron work piece that needs processing, guarantee stability during processing, reduce the condition of skew, help improving the quality of processing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a positioning fixture is used in nodular cast iron work piece processing, includes bottom plate (1), its characterized in that, trapezoidal spout (2) of two parallels are seted up to the upper end of bottom plate (1), sliding connection has trapezoidal slider (3), two in trapezoidal spout (2) the same horizontally workstation (4) of upper end fixedly connected with of trapezoidal slider (3), two equal fixedly connected with bar board (5) in bottom plate (1) in the trapezoidal spout (2) outside, and all seted up the bar groove on two relative lateral walls of bar board (5), it is connected with threaded rod (6) to rotate on the inner wall in bar groove, and threaded rod (6) keep away from the one end in bar groove and extend to the outside of bar board (5) and be connected with casing (7), casing (7) fixed connection is on the lateral wall of two bar boards (5), and fixedly connected with driving motor (8) that one of them bar board (6) correspond on the lateral wall of casing (7) The utility model discloses a quick-witted, connect by drive mechanism between two threaded rods (6) in casing (7), bar inslot wall central authorities fixedly connected with baffle (9), and threaded rod (6) run through baffle (9), be provided with respectively on threaded rod (6) of baffle (9) both sides and revolve to opposite screw, and the equal threaded connection in the outside of two sections screw has movable block (10), L shape setting element (11) that fixedly connected with corresponds with workstation (4) on the lateral wall in bar groove are kept away from in movable block (10), two the upper end of bar (5) is provided with the fixed establishment who is connected with workstation (4).

2. The positioning fixture for machining the ductile cast iron workpiece according to claim 1, wherein the transmission mechanism comprises a chain wheel (12) fixedly sleeved outside the threaded rod (6) in the housing (7), and the two chain wheels (12) are connected by a same chain (13).

3. The positioning fixture for machining the ductile cast iron workpiece according to claim 1, wherein the L-shaped positioning piece (11) and the side wall of the workbench (4) are at the same height, and a protection pad is fixedly connected to the side wall of the L-shaped positioning piece (11) opposite to the workbench (4).

4. The positioning fixture for machining the ductile cast iron workpiece according to claim 1, wherein the fixing mechanism comprises a gantry support (14) fixedly connected between the upper ends of the two strip-shaped plates (5), a rectangular opening is formed in the upper end of the gantry support (14), a horizontal movable plate (15) is slidably connected in the rectangular opening, the movable plate (15) is connected with the inner wall of the rectangular opening through a sliding mechanism, an electric push rod (16) is fixedly connected to the upper end of the movable plate (15), and the telescopic end of the electric push rod (16) extends to the lower side of the movable plate (15) and is fixedly connected with a horizontal pressing plate (17).

5. The positioning fixture for machining the ductile cast iron workpiece according to claim 4, wherein the sliding mechanism comprises a sliding groove formed on the inner wall of the rectangular opening, the movable plate (15) is slidably connected in the sliding groove, a plurality of threaded holes communicated with the sliding groove are uniformly distributed at the upper end of the gantry support (14), and a fastening knob fixed with the movable plate (15) is connected in the threaded holes in a threaded manner.

6. The positioning fixture for machining the ductile cast iron workpiece according to claim 4, wherein the pressing plate (17) is correspondingly arranged on the upper side of the workbench (4), and a rubber pad opposite to the workbench (4) is fixedly connected to the lower end of the pressing plate (17).