CN209849700U - Floating movable straightening die holder - Google Patents

Abstract

The utility model discloses a portable alignment die holder floats, go up die holder, lower die pedestal, support the base body, unsteady supporting mechanism, running gear including the V-arrangement, lower die pedestal upper portion sets up the die holder body on the V-arrangement, lower die pedestal lower part sets up the support base body, set up running gear on the support base body, set up central mounting hole on the support base body, lower die pedestal lower part is installed through the cooperation of unsteady supporting mechanism in the central mounting hole, the die holder body with the lower die pedestal passes through the mutual fixed connection of connecting key on the V-arrangement.

Description

Floating movable straightening die holder

Technical Field

The utility model relates to an axle type part's straightness accuracy alignment mechanism technical field, in particular to portable alignment die holder floats.

Background

When a gantry type straightening machine straightens shaft parts, the principle is a three-point straightening mode, but the position of a lower die holder needs to be adjusted due to the length change of the shaft parts. The traditional mode adopts the mode of manually assisting the crown block to move, so that the manual labor intensity is high, the efficiency is low, and certain potential safety hazards exist. In another mode, a movable die holder is adopted, a motor is adopted to drive a roller to move, and after the movable die holder is moved to a position, the roller is retracted by adopting a hydraulic oil cylinder or a motor to drive a lead screw, and a hydraulic system or a motor driving system is required to be configured in the mode, so that the structure is complex, the appearance size is large, and the cost is increased; due to the limitation of the spatial arrangement position of the working platform of the gantry moving straightening machine, the method cannot be realized in the actual production process.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a portable alignment die holder floats effectively solves artifical supplementary overhead traveling crane and removes, and artifical intensity of labour is big, and is inefficient, and the problem that has certain potential safety hazard and longmen removal straightener workstation spatial arrangement position is limited, the unable problem of using of current movable die holder.

In order to achieve the above object, the technical solution of the present invention is specifically as follows:

the floating movable straightening die holder comprises a V-shaped upper die base body, a lower die base body, a supporting base body, a floating supporting mechanism and a traveling mechanism, wherein the upper die base body is arranged on the upper portion of the lower die base body, the supporting base body is arranged on the lower portion of the lower die base body, the traveling mechanism is arranged on the supporting base body, a central mounting hole is formed in the supporting base body, and the lower portion of the lower die base body is installed in the central mounting hole through the matching of the floating supporting mechanism.

The V-shaped upper die seat body and the lower die seat body are fixedly connected with each other through a connecting key.

The floating support mechanism is a disc spring floating assembly, the disc spring floating assembly comprises a nut, a disc spring pad, a disc spring, a pull rod and a second locking nut, the bottom end of the pull rod is fixedly installed on the lower die base body through the second locking nut, the upper end of the pull rod is inserted into a mounting hole in the support base body, and the upper end of the pull rod is sequentially provided with the disc spring, the disc spring pad and the nut from bottom to top.

Running gear includes driven gyro wheel, gear gyro wheel, driver, driven gyro wheel set up in support base body front side both ends, the gear gyro wheel set up in support base body rear side both ends, the driver set up in support on the base body, the driver with the gear gyro wheel cooperation is connected.

The driver is including frequency conversion braking speed reducer, little band pulley, drive belt, big band pulley, spacer, bearing frame, first bearing, bearing gland, connecting axle, gear of installing the motor, the cooperation installation little band pulley on the main shaft of the frequency conversion braking speed reducer of installing the motor, little band pulley passes through the drive belt and is connected with big band pulley, big band pulley sets up on the connecting axle, the connecting axle level set up in support base body one side, the connecting axle both ends are installed through the bearing frame cooperation support on the base body, the bearing frame both ends set up the bearing gland, bearing frame inside cooperation installation spacer and first bearing, the connecting axle both ends are provided with the gear, the gear with gear intermeshing on the gear gyro wheel.

Driven roller passes through the driven shaft cooperation to be installed support base body front side both ends, driven shaft one end is installed through first lock nut cooperation support on the base body lateral wall, the driven shaft other end pass through the second bearing with driven roller cooperation installation, driven roller one side cooperation installation bearing cap.

The utility model has the advantages that: the utility model is arranged on the workbench of a gantry straightener, when no load exists, the variable frequency braking speed reducer driving gear roller provided with a motor can move along the direction of the workbench, because the disc spring floating component has pretightening force and can support the dead weight of the lower die holder, therefore, when the device moves without load, the lower die holder is hung in the central mounting hole of the supporting base, when the straightening works, parts are pressed on the V-shaped upper die holder body, the disc spring of the disc spring floating component is compressed, the bottom surface of the lower die holder descends to be contacted with the workbench, the workbench bears working pressure, the driven roller and the gear roller are prevented from being crushed, the variable frequency braking speed reducer driving gear roller provided with the motor moves, the braking is realized after the straightening works in place, the positioning is prevented from being inaccurate, meanwhile, the left and the right gear rollers adopt coaxial transmission, the deviation is prevented when the die holder moves, the V-shaped upper die holder and the, the upper portion is designed into a V-shaped structure, and the V-shaped upper die base is connected with the lower die base through a connecting key, so that the V-shaped upper die base and the lower die base can be separated from each other, and different V-shaped upper die bases can be replaced according to the type of a workpiece.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a side view of fig. 1.

Fig. 5 is a schematic structural view of the floating support mechanism.

The device comprises a V-shaped upper die base, a connecting key 2, a lower die base, a supporting base 4, a variable-frequency braking speed reducer with a motor 5, a small belt wheel 6, a transmission belt 7, a large belt wheel 8, a spacer bush 9, a bearing seat 10, a first bearing 11, a bearing gland 12, a connecting shaft 13, a first locking nut 14, a driven shaft 15, a second bearing 16, a driven roller 17, a bearing cap 18, a gear roller 19, a gear 20, a disc spring floating assembly 21, a nut 211, a disc spring pad 212, a disc spring 213, a pull rod 214, a second locking nut 215.

Detailed Description

As shown in fig. 1 to 5, the floating movable straightening die holder comprises a V-shaped upper die base body 1, a lower die base body 3, a supporting base body 4, a floating supporting mechanism and a traveling mechanism, wherein the V-shaped upper die base body 1 is arranged at the upper part of the lower die base body 3, the supporting base body 4 is arranged at the lower part of the lower die base body 3, the traveling mechanism is arranged on the supporting base body 4, a central mounting hole is arranged on the supporting base body 4, the lower part of the lower die base body 3 is arranged in the central mounting hole in a matching way through the floating supporting mechanism, the V-shaped upper die base body 1 and the lower die base body 3 are fixedly connected with each other through a connecting key 2, the floating supporting mechanism is a disc spring floating assembly 21, the disc spring floating assembly 21 comprises a nut 211, a disc spring pad 212, a disc spring 213, a pull rod 214 and a second locking nut 215, the bottom end of the pull rod 214 is fixedly arranged, the upper end of the pull rod 214 is sequentially provided with a disc spring 213, a disc spring pad 212 and a nut 211 from bottom to top, the traveling mechanism comprises a driven roller 17, a gear roller 19 and a driver, the driven roller 17 is arranged at two ends of the front side of the support base body 4, the gear roller 19 is arranged at two ends of the rear side of the support base body 4, the driver is arranged on the support base body 4 and is connected with the gear roller 19 in a matching way, the driver comprises a variable frequency brake speed reducer 5 provided with a motor, a small belt wheel 6, a transmission belt 7, a large belt wheel 8, a spacer 9, a bearing seat 10, a first bearing 11, a bearing gland 12, a connecting shaft 13 and a gear 20, the small belt wheel 6 is arranged on a main shaft of the variable frequency brake speed reducer 5 provided with the motor in a matching way, the small belt wheel 6 is connected with the large belt wheel 8 through the transmission belt 7, the large belt wheel 8 is arranged on the connecting shaft 13, bearing cover 12 is arranged at two ends of bearing seat 10, spacer 9 and first bearing 11 are installed in bearing seat 10 in an internal fit mode, gears 20 are arranged at two ends of connecting shaft 13, gears on gears 20 and gear rollers 19 are meshed with each other, driven rollers 17 are installed at two ends of the front side of supporting base body 4 through driven shaft 15 in a fit mode, driven shaft 15 one end is installed on the side wall of supporting base body 4 through first locking nut 14 in a fit mode, the other end of driven shaft 15 is installed in a fit mode through second bearing 16 and driven rollers 17, and bearing cover 18 is installed on one side of driven rollers 17 in a fit mode.

When the utility model is used, the device is arranged on the workbench of a gantry straightener, an operator transmits power to a connecting shaft 13 through a small belt wheel 6, a transmission belt 7 and a large belt wheel 8 by a variable frequency brake speed reducer 5 provided with a motor, the connecting shaft 13 drives a gear 20 to rotate, the gear wheel 19 is made to rotate by the mutual meshing of the gear 20 and a gear wheel 19, the driven gear 17 and the whole device are simultaneously pushed to move forwards, after the device enters a working position, the variable frequency brake speed reducer 5 provided with the motor stops running, the whole device stops moving, a part is placed on a V-shaped upper die base body 1, a central mounting hole is arranged on a support base body 4, the lower part of the lower die base body 3 is arranged in the central mounting hole by a floating support mechanism in a matching way, therefore, when the gravity of the part is pressed on the V-shaped upper die base body 1, the lower die base body, the dish spring 213 of dish spring floating assembly 21 can be pressed and deformed, and lower die base 3 bottom can descend to the workstation upper surface through central mounting hole, and with workstation upper surface contact each other, bear operating pressure by the workstation upper surface, avoid crushing driven roller 17 and gear wheel 19.

Claims (6)

1. The portable alignment die holder floats, its characterized in that: mould pedestal (1), lower mould pedestal (3), support base body (4), unsteady supporting mechanism, running gear including the V-arrangement, lower mould pedestal (3) upper portion sets up mould pedestal (1) on the V-arrangement, lower mould pedestal (3) lower part sets up support base body (4), set up running gear on the support base body (4), set up central mounting hole on the support base body (4), lower mould pedestal (3) lower part is installed through the cooperation of unsteady supporting mechanism in the central mounting hole.

2. The floating mobile straightening die holder of claim 1, wherein: the V-shaped upper die seat body (1) and the lower die seat body (3) are fixedly connected with each other through a connecting key (2).

3. The floating mobile straightening die holder of claim 1, wherein: floating support mechanism is dish spring subassembly (21) that floats, dish spring subassembly (21) that floats includes nut (211), dish spring pad (212), dish spring (213), pull rod (214), second lock nut (215), pull rod (214) bottom is through second lock nut (215) fixed mounting on lower die base body (3), pull rod (214) upper end insert set up in support in the mounting hole on the base body (4), pull rod (214) upper end sets gradually dish spring (213), dish spring pad (212) and nut (211) from bottom to top.

4. The floating mobile straightening die holder according to any one of claims 1 to 3, wherein: running gear includes driven roller (17), gear gyro wheel (19), driver, driven roller (17) set up in support base body (4) front side both ends, gear gyro wheel (19) set up in support base body (4) rear side both ends, the driver set up in support on the base body (4), the driver with gear gyro wheel (19) cooperation is connected.

5. The floating mobile straightening die holder of claim 4, wherein: the driver comprises a variable frequency braking speed reducer (5) provided with a motor, a small belt wheel (6), a transmission belt (7), a large belt wheel (8), a spacer (9), a bearing seat (10), a first bearing (11), a bearing gland (12), a connecting shaft (13) and a gear (20), wherein the small belt wheel (6) is installed on a main shaft of the variable frequency braking speed reducer (5) provided with the motor in a matching way, the small belt wheel (6) is connected with the large belt wheel (8) through the transmission belt (7), the large belt wheel (8) is arranged on the connecting shaft (13), the connecting shaft (13) is horizontally arranged on one side of the supporting base body (4), the two ends of the connecting shaft (13) are installed on the supporting base body (4) in a matching way through the bearing seat (10), the two ends of the bearing seat (10) are provided with the bearing glands (12), the spacer (9) and the first bearing (11) are installed, gears (20) are arranged at two ends of the connecting shaft (13), and the gears (20) are meshed with the gears on the gear rollers (19).

6. The floating mobile straightening die holder of claim 4, wherein: driven roller (17) are installed through driven shaft (15) cooperation support base body (4) front side both ends, driven shaft (15) one end is installed through first lock nut (14) cooperation support on the base body (4) lateral wall, driven shaft (15) other end pass through second bearing (16) with driven roller (17) cooperation installation, driven roller (17) one side cooperation installation bearing cap (18).