CN108067804B - A fork rack flip workbench - Google Patents

Abstract

The present invention discloses a fork frame flipping workbench in the technical field of forklift parts processing, comprising an I-beam, wherein the I-beam comprises a crossbeam and support seats arranged at both ends of the crossbeam, and the width of the crossbeam is 100mm-200mm; a clamping device that can slide along the crossbeam is arranged on the crossbeam; the present invention fixes the fork frame on the crossbeam, and the width of the crossbeam is 100mm-200mm, the cross-sectional area is small, and the structure is compact. When fixed, the crossbeam passes through the center of the workpiece, effectively avoiding the welding seam, burr surface and other working surfaces on the workpiece, greatly reducing the shielding area of the workbench to the workpiece, reducing secondary clamping, and improving work efficiency; the I-beam workbench structure of the present invention makes the overall center of gravity of the workpiece as close to the flip center line as possible, reduces the overall inertia and flip torque of the system, thereby reducing the driving force and ensuring the flipping accuracy of the workpiece, and the crossbeam is light in weight relative to the existing workbench table, is convenient to move, has low cost, and requires less energy consumption when rotating.

Description

A fork rack flip workbench

Technical Field

The invention relates to the technical field of forklift parts processing, and in particular to a fork frame turning workbench.

Background Art

At present, the front and rear fork frames are components of the forklift working device. The forklift working device is the mechanism for lifting goods by the forklift, also known as the forklift mast, which mainly consists of the inner mast, outer mast, front and rear fork frames, sprockets, chains, lifting cylinders and tilting cylinders. Among them, the front and rear fork frames are mainly used to support goods.

The existing technical solution adopts the method of laying the front and rear fork frames flat on the workshop floor for welding or deburring. When the upper and lower working surfaces are replaced, a crane or a professional hoist is used for lifting. There is another solution: the front and rear fork frames are fixed on the electric flip worktable, and the fork frame is changed by flipping the worktable. In order to facilitate the fixing of the workpiece, this worktable is generally designed in a rectangular shape. Although it solves the problem of automatic flipping of the workpiece, because the worktable surface is too large and the workpiece size is small, it will block many parts to be processed on the fork frame, affecting the processing.

Summary of the invention

Based on the above technical problems, the present invention provides a fork frame flip workbench, thereby solving the technical problem that when processing the front and rear fork frames in the prior art, the workbench surface is too large, which will block the part to be processed on the fork frame after being fixed, thus affecting the processing.

The technical solution adopted by the present invention is as follows:

A fork frame turning workbench comprises an I-beam, wherein the I-beam comprises a crossbeam and support seats arranged at both ends of the crossbeam, the width of the crossbeam is 100mm-200mm; and a clamping device which can slide along the crossbeam is arranged on the crossbeam.

In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

1. The present invention fixes the fork frame on the crossbeam, the width of the crossbeam is 100mm-200mm, the cross-sectional area is small, and the structure is compact. When fixed, the crossbeam passes through the center of the workpiece, effectively avoiding the welding seam, burr surface and other working surfaces on the workpiece, greatly reducing the shielding area of the worktable to the workpiece, reducing secondary clamping, and improving work efficiency;

2. The I-beam worktable structure of the present invention makes the overall center of gravity of the workpiece as close to the flip center line as possible, reduces the overall inertia of the system and the flip torque, thereby reducing the driving force and ensuring the flipping accuracy of the workpiece. Moreover, the crossbeam is lighter than the existing worktable surface, is easy to move, has low cost, and requires less energy when rotating.

Preferably, the crossbeam is provided with a T-slot, the length direction of the T-slot is parallel to the length direction of the crossbeam, and the bottom of the clamping device is inserted into the T-slot and can move along the length direction of the T-slot, thereby facilitating the installation and removal of the workpiece and making the present invention applicable to workpieces of different lengths;

Preferably, the clamping device comprises a rear fork frame positioning device arranged above the crossbeam; the rear fork frame positioning device comprises a rear fork frame front plate fixing device and a rear fork frame round tube fixing device. When fixing the rear fork frame, the rear fork frame front plate fixing device can be used to fix the rear fork frame front plate, and the rear fork frame round tube part can be fixed by the rear fork frame round tube fixing device, so that the rear fork frame can be better fixed;

Preferably, the rear fork frame front plate fixing device comprises a first pressing plate arranged on the upper part of the cross beam, a first hand wheel arranged on the upper part of the first pressing plate, and a first T-shaped screw rod penetrating the first pressing plate and the first hand wheel, the first T-shaped screw rod being threadedly connected with the first hand wheel; the bolt head of the first T-shaped screw rod is inserted into the T-shaped groove, the first pressing plate can press the front plate of the rear fork frame, and can clamp rear fork frames of different thicknesses; the adjustment through the first hand wheel is not only convenient, but also can better exert force during adjustment, and is convenient to use;

Preferably, the rear fork frame round tube fixing device comprises an arc-shaped pressing plate and a support column with one end inserted into the T-slot, and the arc-shaped pressing plate is hinged to the support column; the rear fork frame round tube fixing device also comprises a second T-screw and a second hand wheel threadedly connected to the second T-screw, and the bolt head of the second T-screw is inserted into the inside of the T-slot; the second T-screw and the second hand wheel cooperate to press one end of the arc-shaped pressing plate, and since the rear fork frame round tube is not easy to fix, the arc-shaped pressing plate and the second hand wheel and the second T-screw cooperate, which is not only convenient for installing and disassembling the rear fork frame, but also can be adapted to different sizes of rear fork frame round tubes by adjusting the distance between the support column and the second T-screw and the rotation angle of the arc-shaped pressing plate;

Preferably, rear fork frame tightening devices are symmetrically arranged on both sides of the crossbeam, the rear fork frame tightening devices are arranged horizontally and the length direction is perpendicular to the length direction of the crossbeam; the rear fork frame tightening device comprises a base and a tightening rod threadedly connected to the base, and the rear fork frame tightening device can fix the rear fork frame to prevent the rear fork frame from moving in the horizontal direction during processing, resulting in a shift in the center of gravity and affecting the turning accuracy;

Preferably, the rear fork frame positioning device is symmetrically arranged in two groups, and the clamping device also includes a front fork frame positioning device arranged under the crossbeam. Since a forklift includes a front fork frame and two rear fork frames, a front fork frame and two rear fork frames form a set, and the present invention can fix a front fork frame and two rear fork frames at the same time, thereby processing a set of forklift fork frame equipment at the same time, which greatly improves the work efficiency compared to the method of only fixing and processing the front fork frame or the rear fork frame separately.

Preferably, the front fork frame positioning device comprises a front fork frame boundary fixing device and a front fork frame middle fixing device, the front fork frame boundary fixing device and the front fork frame middle fixing device are both provided with two groups and are symmetrically arranged, the front fork frame boundary fixing device comprises a first front fork frame clamping plate and a first front fork frame clamping nut arranged below the first front fork frame clamping plate, and a third T-shaped screw rod penetrating the first front fork frame clamping plate and the first front fork frame clamping nut, the third T-shaped screw rod is threadedly connected with the first front fork frame clamping nut; the bolt head of the third T-shaped screw rod is clamped into the inside of the T-shaped slot;

The front fork frame boundary fixing device fixes the front fork frame boundary to prevent the front fork frame from moving along the length direction of the crossbeam, and fixes the front fork frame in the vertical direction to prevent the front fork frame from falling, and the front fork frame middle fixing device can further drag the front fork frame to prevent the front fork frame from falling during the rotation process; the front fork frame boundary fixing device can be moved, and the first front fork frame clamping plate is fixed by the third T-screw and the first front fork frame clamping nut, so that different models of front fork frames can be fixed;

Preferably, the first front fork frame clamping plate is provided with a front fork frame tightening device on one side of the cross beam, and the front fork frame tightening device includes sliding plates arranged at both ends of the first front fork frame clamping plate, and the sliding plate is provided with a tightening block for tightening the front fork frame on the inner side; a slide groove is provided in the middle of the sliding plate, and the length direction of the slide groove is parallel to the length direction of the first front fork frame clamping plate; the sliding plate and the first front fork frame clamping plate are movably connected by a bolt assembly, and after the front fork frame is fixed by the front fork frame boundary fixing device, the tightening blocks are fixed on both sides of the front fork frame, so as to avoid the front fork frame from moving in the horizontal direction during the processing, resulting in the center of gravity shifting and affecting the turning accuracy;

Preferably, the front fork frame middle fixing device comprises a second pressing plate, a third hand wheel arranged below the second pressing plate, and a fourth T-shaped screw rod penetrating the second pressing plate and the third hand wheel, the fourth T-shaped screw rod being threadedly connected with the third hand wheel; the bolt head of the fourth T-shaped screw rod is inserted into the T-shaped slot, so that front fork frames of different models and thicknesses can be fixed;

Preferably, both ends of the I-beam are provided with a flipping driving device, so that the I-beam can be automatically flipped when processing the workpiece;

Preferably, the flip driving device comprises an active head frame and a driven tail frame; the active head frame and the driven tail frame are respectively movably connected to the support seat; a flip system for driving the I-beam to rotate is arranged in the active head frame, so that only one set of flip system is required, which saves costs;

Preferably, the flipping system includes a three-phase AC asynchronous motor, a worm reducer connected to the three-phase AC asynchronous motor, and a slewing support connected to the worm reducer. The slewing support is connected to the support seat. The three-phase AC asynchronous motor is a brake motor. At the same time, the worm reducer has a self-locking property, so that the present invention has a dual self-locking property to ensure that the workpiece is accurately positioned at the welding station.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of an I-beam of the present invention;

FIG2 is a top view of FIG1 of the present invention;

Fig. 3 is a cross-sectional view taken along line A-A in Fig. 1 of the present invention;

FIG4 is a schematic diagram of the rear fork frame of the present invention;

FIG5 is a top view of FIG4 of the present invention;

FIG6 is a schematic diagram of the front fork frame of the present invention;

FIG7 is a top view of FIG6 of the present invention;

FIG8 is a schematic diagram of a fixed rear fork frame of the present invention;

FIG9 is a top view of FIG8 of the present invention;

10 is a schematic diagram of a fixed front fork frame of the present invention;

FIG11 is a top view of FIG10 of the present invention;

12 is a schematic diagram of the first front fork frame clamping plate of the present invention;

FIG13 is a side view of FIG12 of the present invention;

14 is a schematic diagram of the first front fork frame clamping plate fixing the front fork frame of the present invention;

Markings in the figure: 1-I-beam, 2-crossbeam, 3-support seat, 4-clamping device, 5-T-slot, 6-rear fork frame positioning device, 7-first pressure plate, 8-first hand wheel, 9-first T-screw, 10-arc pressure plate, 11-support column, 12-second T-screw, 13-second hand wheel, 14-rear fork frame tightening device, 15-base, 16-tightening rod, 17-front fork frame positioning device, 18-first front fork frame clamping plate, 19-first front fork frame clamping nut, 20-third T-screw, 21-front fork frame tightening device, 22-sliding plate, 23-tightening block, 24-slide, 25-second pressure plate, 26-third hand wheel, 27-fourth T-screw, 28-active head frame, 29-driven tail frame, 30-front fork frame, 31-rear fork frame.

DETAILED DESCRIPTION

All features disclosed in this specification, except mutually exclusive features and/or steps, can be combined in any manner.

The present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, a fork rack flip workbench includes an I-beam 1, which includes a crossbeam 2 and support seats 3 arranged at both ends of the crossbeam 2. The width of the crossbeam 2 is 100mm-200mm; a clamping device 4 that can slide along the crossbeam 2 is arranged on the crossbeam 2.

As shown in FIG. 3 , the cross beam 2 is provided with a T-slot 5 , the length direction of the T-slot 5 is parallel to the length direction of the cross beam 2 , and the bottom of the clamping device 4 is inserted into the T-slot 5 and can move along the length direction of the T-slot 5 .

As shown in Figures 1 and 2, the clamping device 4 includes a rear fork frame positioning device 6 arranged above the crossbeam 2; the rear fork frame positioning device 6 is symmetrically arranged in two groups; the rear fork frame positioning device 6 includes a rear fork frame front plate fixing device and a rear fork frame round tube fixing device.

The rear fork frame front plate fixing device includes a first pressing plate 7 arranged on the upper part of the cross beam 2, a first hand wheel 8 arranged on the upper part of the first pressing plate 7, and a first T-shaped screw 9 penetrating the first pressing plate 7 and the first hand wheel 8, the first T-shaped screw 9 is threadedly connected to the first hand wheel 8; the bolt head of the first T-shaped screw 9 is stuck in the T-shaped slot 5.

The round tube fixing device of the rear fork frame includes an arc-shaped pressure plate 10 and a support column 11 with one end inserted into the T-shaped slot 5, and the arc-shaped pressure plate 10 is hinged to the support column 11; the round tube fixing device of the rear fork frame also includes a second T-shaped screw 12 and a second hand wheel 13 threadedly connected to the second T-shaped screw 12, and the bolt head of the second T-shaped screw 12 is inserted into the inside of the T-shaped slot 5; the second T-shaped screw 12 and the second hand wheel 13 cooperate to tighten one end of the arc-shaped pressure plate 10.

The rear fork frame tightening device 14 is symmetrically arranged on both sides of the cross beam 2. The rear fork frame tightening device 14 is horizontally arranged and its length direction is perpendicular to the length direction of the cross beam 2. The rear fork frame tightening device 14 includes a base 15 and a tightening rod 16 threadedly connected to the base 15.

The clamping device 4 also includes a front fork frame positioning device 17 arranged under the crossbeam 2, and the front fork frame positioning device 17 includes a front fork frame boundary fixing device and a front fork frame middle fixing device. The front fork frame boundary fixing device and the front fork frame middle fixing device are each provided with two groups and are symmetrically arranged.

As shown in Figures 12 and 13, the front fork frame boundary fixing device includes a first front fork frame clamping plate 18 and a first front fork frame clamping nut 19 arranged below the first front fork frame clamping plate 18, and a third T-shaped screw 20 that passes through the first front fork frame clamping plate 18 and the first front fork frame clamping nut 19, and the third T-shaped screw 20 is threadedly connected to the first front fork frame clamping nut 19; the bolt head of the third T-shaped screw 20 is stuck in the T-shaped slot 5.

The first front fork frame clamping plate 18 is located on one side of the crossbeam 2 and is provided with a front fork frame tightening device 21, the front fork frame tightening device 21 includes sliding plates 22 arranged at both ends of the first front fork frame clamping plate 18, the sliding plate 22 is located on the inner side and is provided with a tightening block 23 for tightening the front fork frame 30; a slide groove 24 is provided in the middle of the sliding plate 22, and the length direction of the slide groove 24 is parallel to the length direction of the first front fork frame clamping plate 18; the sliding plate 22 and the first front fork frame clamping plate 18 are movably connected by a bolt assembly.

The front fork frame middle fixing device includes a second pressing plate 25 and a third hand wheel 26 arranged below the second pressing plate 25 and a fourth T-shaped screw 27 passing through the second pressing plate 25 and the third hand wheel 26, and the fourth T-shaped screw 27 is threadedly connected to the third hand wheel 26; the bolt head of the fourth T-shaped screw 27 is stuck in the T-shaped slot 5.

As shown in Figs. 8-11, both ends of the I-beam 1 are provided with a flipping drive device; the flipping drive device comprises an active head frame 28 and a driven tail frame 29; the active head frame 28 and the driven tail frame 29 are respectively movably connected to the support seat 3; a flipping system for driving the I-beam 1 to rotate is arranged in the active head frame 28. The flipping system comprises a three-phase AC asynchronous motor, a worm reducer connected to the three-phase AC asynchronous motor, and a slewing bearing connected to the worm reducer, and the slewing bearing is connected to the support seat 3.

The working principle of the present invention is as follows: the front fork frame 30 to be fixed is shown in Figures 6 and 7, and the rear fork frame 31 to be fixed is shown in Figures 8 and 9. When fixed, as shown in Figure 1, the crossbeam 2 is flipped into a horizontal state by the flipping system, so that the rear fork frame positioning device 6 is located at the upper part, and the rear fork frame positioning device 6 is moved as needed, and the rear fork frame positioning devices 6 are respectively arranged on both sides of the rear fork frame 31 to be fixed, and then the rear fork frame 31 is placed on the crossbeam 2 as shown in Figure 8 by the sling, so that the center of gravity of the rear fork frame 31 is consistent with the crossbeam 2, and then the first pressing plate 7 is pressed on the rear On the boundary of the fork frame 31, turn the first hand wheel 8 to fix the first pressing plate 7 and the rear fork frame 31; then press the arc pressing plate 10 on the round tube of the rear fork frame 31, turn the second hand wheel 13, and fix the arc pressing plate 10 and the round tube of the rear fork frame 31; finally, as shown in FIG. 9, respectively rotate the two tightening rods 16 to fix the tightening rods 16 to the inner side of the rear fork frame 31, and at this time, one rear fork frame 31 is fixed to the present invention; then fix the other rear fork frame 31 at a symmetrical position with the fixed rear fork frame 31 through the above steps, and at this time, the two rear fork frames 31 are fixed to the present invention;

The I-beam 1 is rotated by the flipping system so that the front fork frame positioning device 17 is located at the top, the front fork frame positioning device 17 is moved as needed, and the front fork frame positioning device 17 is respectively set on both sides of the front fork frame 30 that needs to be fixed, and the third hand wheel 26 is rotated to remove the second pressing plate 25, and then the front fork frame 30 is placed on the cross beam 2 by the sling so that the center of gravity of the front fork frame 30 is consistent with the cross beam 2, and then as shown in Figures 10 and 11, the second pressing plate 25 is fixed to the side of the front fork frame 30 away from the cross beam 2, and fixed by the third hand wheel 26 to prevent the front fork frame 30 from falling; the first front fork frame clamping nut 19 is rotated so that the first front fork frame clamping plate 18 presses the boundary of the front fork frame 30, and as shown in Figures 11 and 14, the sliding plate 22 is moved along the slide groove 24, so that the tightening block 23 is fixed to the left and right sides of the front fork frame 30, and then the sliding plate 22 is fixed;

Finally, a front fork frame 30 and two rear fork frames 31 are fixed to the I-beam 1 at the same time, and the I-beam 1 is rotated by the flip system during the processing, which not only reduces the use of lifting equipment, saves lifting time, improves labor efficiency and increases safety; the I-beam 1 workbench greatly reduces the workbench's shielding area for the workpiece, reduces secondary clamping, and improves work efficiency; since a forklift includes a front fork frame 30 and two rear fork frames 31, a front fork frame 30 and two rear fork frames 31 are a set, and the present invention can fix a front fork frame 30 and two rear fork frames 31 at the same time, thereby processing a set of forklift fork frame equipment at the same time, which greatly improves work efficiency compared to the method of only being able to fix and process the front fork frame 30 or the rear fork frame 31 separately.

The present invention is further described in detail below with reference to specific embodiments.

Specific embodiments

Example 1

A fork frame turning workbench comprises an I-beam 1, wherein the I-beam 1 comprises a crossbeam 2 and support seats 3 arranged at both ends of the crossbeam 2, wherein the width of the crossbeam 2 is 100mm-200mm; and a clamping device 4 which can slide along the crossbeam 2 is arranged on the crossbeam 2.

Example 2

This embodiment is further optimized based on Embodiment 1, the crossbeam 2 is provided with a T-slot 5, the length direction of the T-slot 5 is parallel to the length direction of the crossbeam 2, the bottom of the clamping device 4 is inserted into the T-slot 5, and can be moved along the length direction of the T-slot 5, thereby not only facilitating the installation and disassembly of the workpiece, but also making the present invention applicable to workpieces of different lengths.

Example 3

This embodiment is further optimized based on Embodiment 2, and the clamping device 4 includes a rear fork frame positioning device 6 arranged above the crossbeam 2; the rear fork frame positioning device 6 includes a rear fork frame front plate fixing device and a rear fork frame round tube fixing device. When fixing the rear fork frame 31, the front plate of the rear fork frame 31 can be fixed by the rear fork frame front plate fixing device, and the round tube part of the rear fork frame 31 can be fixed by the rear fork frame round tube fixing device, so that the rear fork frame 31 can be better fixed.

Example 4

This embodiment is further optimized based on Embodiment 3, and the rear fork frame front plate fixing device includes a first pressure plate 7 arranged on the upper part of the cross beam 2, a first hand wheel 8 arranged on the upper part of the first pressure plate 7, and a first T-screw 9 penetrating the first pressure plate 7 and the first hand wheel 8, and the first T-screw 9 is threadedly connected with the first hand wheel 8; the bolt head of the first T-screw 9 is inserted into the T-slot 5, and the first pressure plate 7 can press the front plate of the rear fork frame 31, and can clamp the rear fork frame 31 of different thicknesses; adjustment through the first hand wheel 8 is not only convenient to adjust, but also can better exert force during adjustment, which is convenient to use.

Example 5

This embodiment is further optimized based on Embodiment 3, and the rear fork frame round tube fixing device includes an arc-shaped pressure plate 10 and a support column 11 with one end inserted into the T-slot 5, and the arc-shaped pressure plate 10 is hinged to the support column 11; the rear fork frame round tube fixing device also includes a second T-screw 12 and a second hand wheel 13 threadedly connected to the second T-screw 12, and the bolt head of the second T-screw 12 is inserted into the inside of the T-slot 5; the second T-screw 12 and the second hand wheel 13 cooperate to tighten one end of the arc-shaped pressure plate 10. Since the round tube of the rear fork frame 31 is not easy to fix, the arc-shaped pressure plate 10, the second hand wheel 13 and the second T-screw 12 cooperate, which is not only convenient for installing and disassembling the rear fork frame 31, but also can be adapted to different sizes of rear fork frame 31 round tubes by adjusting the distance between the support column 11 and the second T-screw 12 and the rotation angle of the arc-shaped pressure plate 10.

Example 6

This embodiment is further optimized based on any one of Embodiments 1-5, and rear fork frame tightening devices 14 are symmetrically arranged on both sides of the crossbeam 2. The rear fork frame tightening devices 14 are horizontally arranged and the length direction is perpendicular to the length direction of the crossbeam 2; the rear fork frame tightening device 14 includes a base 15 and a tightening rod 16 threadedly connected to the base 15. The rear fork frame tightening device 14 can fix the rear fork frame 31 to prevent the rear fork frame 31 from moving in the horizontal direction during the processing, resulting in the center of gravity shifting and affecting the flipping accuracy.

Example 7

This embodiment is further optimized based on any one of Embodiments 1-5, and the rear fork frame positioning device 6 is symmetrically arranged in two groups, and the clamping device 4 also includes a front fork frame positioning device 17 arranged under the crossbeam 2. Since a forklift includes a front fork frame 30 and two rear fork frames 31, a front fork frame 30 and two rear fork frames 31 are a set, and the present invention can fix a front fork frame 30 and two rear fork frames 31 at the same time, thereby processing a set of forklift fork frame equipment at the same time, which greatly improves the work efficiency compared to the method of only being able to fix and process the front fork frame 30 or the rear fork frame 31 separately.

Example 8

This embodiment is further optimized based on Embodiment 7, the front fork frame positioning device 17 includes a front fork frame boundary fixing device and a front fork frame middle fixing device, the front fork frame boundary fixing device and the front fork frame middle fixing device are both provided with two groups and are symmetrically arranged, the front fork frame boundary fixing device includes a first front fork frame clamping plate 18 and a first front fork frame clamping nut 19 arranged below the first front fork frame clamping plate 18, and a third T-shaped screw 20 passing through the first front fork frame clamping plate 18 and the first front fork frame clamping nut 19, the third T-shaped screw 20 is threadedly connected with the first front fork frame clamping nut 19; the bolt head of the third T-shaped screw 20 is stuck in the T-shaped slot 5;

The front fork frame boundary fixing device fixes the boundary of the front fork frame 30 to prevent the front fork frame 30 from moving along the length direction of the cross beam 2, and fixes the front fork frame 30 in the vertical direction to prevent the front fork frame 30 from falling, and the front fork frame middle fixing device can further drag the front fork frame 30 to prevent the front fork frame 30 from falling during rotation; the front fork frame boundary fixing device can be moved, and the first front fork frame clamping plate 18 is fixed by the third T-screw 20 and the first front fork frame clamping nut 19, so that different models of front fork frames 30 can be fixed.

Example 9

This embodiment is further optimized based on Embodiment 8, the first front fork frame clamping plate 18 is provided with a front fork frame tightening device 21 on one side of the crossbeam 2, the front fork frame tightening device 21 includes sliding plates 22 arranged at both ends of the first front fork frame clamping plate 18, the sliding plate 22 is located on the inner side and is provided with a tightening block 23 for tightening the front fork frame 30; a slide groove 24 is provided in the middle of the sliding plate 22, and the length direction of the slide groove 24 is parallel to the length direction of the first front fork frame clamping plate 18; the sliding plate 22 is movably connected to the first front fork frame clamping plate 18 by a bolt assembly, and after the front fork frame boundary fixing device fixes the front fork frame 30, the tightening blocks 23 are fixed on both sides of the front fork frame 30, thereby preventing the front fork frame 30 from moving in the horizontal direction during the processing, resulting in a shift in the center of gravity and affecting the flipping accuracy.

Example 10

This embodiment is further optimized based on any one of Embodiments 1-5, and a flipping drive device is provided at both ends of the I-beam 1, and the flipping drive device includes an active headstock 28 and a driven tailstock 29; the active headstock 28 and the driven tailstock 29 are respectively movably connected to the support seat 3; a flipping system for driving the I-beam 1 to rotate is provided in the active headstock 28, so that the I-beam 1 can be automatically flipped when processing the workpiece.

The above is an embodiment of the present invention. The present invention is not limited to the above implementation mode, and anyone should know that any structural changes made under the enlightenment of the present invention, and any technical solutions having the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims (3)

1. The utility model provides a fork frame upset workstation which characterized in that: the beam comprises an I-shaped beam (1), wherein the I-shaped beam (1) comprises a cross beam (2) and supporting seats (3) arranged at two ends of the cross beam (2), and the width of the cross beam (2) is 100-200 mm; the beam (2) is provided with a clamping device (4) which can slide along the beam (2);

The transverse beam (2) is provided with a T-shaped groove (5), the length direction of the T-shaped groove (5) is parallel to the length direction of the transverse beam (2), and the bottom of the clamping device (4) is clamped into the T-shaped groove (5) and can move along the length direction of the T-shaped groove (5);

the clamping device (4) comprises a rear fork frame positioning device (6) arranged above the cross beam (2); the rear fork frame positioning device (6) comprises a rear fork frame front plate fixing device and a rear fork frame circular tube fixing device;

The rear fork frame front plate fixing device comprises a first pressing plate (7) arranged on the upper part of the cross beam (2), a first hand wheel (8) arranged on the upper part of the first pressing plate (7) and a first T-shaped screw rod (9) penetrating through the first pressing plate (7) and the first hand wheel (8), wherein the first T-shaped screw rod (9) is in threaded connection with the first hand wheel (8); the bolt head of the first T-shaped screw rod (9) is clamped into the T-shaped groove (5);

The rear fork frame round tube fixing device comprises an arc-shaped pressing plate (10) and a supporting column (11) with one end clamped into the T-shaped groove (5), wherein the arc-shaped pressing plate (10) is hinged with the supporting column (11); the rear fork frame round tube fixing device further comprises a second T-shaped screw rod (12) and a second hand wheel (13) in threaded connection with the second T-shaped screw rod (12), and the bolt head of the second T-shaped screw rod (12) is clamped into the T-shaped groove (5); the second T-shaped screw rod (12) is matched with the second hand wheel (13) and can compress one end of the arc-shaped pressing plate (10);

two groups of rear fork frame positioning devices (6) are symmetrically arranged, and the clamping device (4) further comprises a front fork frame positioning device (17) arranged below the cross beam (2);

The front fork frame positioning device (17) comprises a front fork frame boundary fixing device and a front fork frame middle fixing device, the front fork frame boundary fixing device and the front fork frame middle fixing device are respectively provided with two groups and are symmetrically arranged, the front fork frame boundary fixing device comprises a first front fork frame clamping plate (18), a first front fork frame clamping nut (19) arranged below the first front fork frame clamping plate (18) and a third T-shaped screw (20) penetrating through the first front fork frame clamping plate (18) and the first front fork frame clamping nut (19), and the third T-shaped screw (20) is in threaded connection with the first front fork frame clamping nut (19); the bolt head of the third T-shaped screw rod (20) is clamped into the T-shaped groove (5);

The two ends of the I-shaped beam (1) are provided with overturning driving devices, and the overturning driving devices comprise a driving headstock (28) and a driven tailstock (29); the driving headstock (28) and the driven tailstock (29) are respectively and movably connected with the supporting seat (3); the driving headstock (28) is internally provided with a turnover system for driving the I-shaped beam (1) to rotate.

2. The fork carriage flipping station of claim 1, wherein: rear fork frame propping devices (14) are symmetrically arranged on two sides of the cross beam (2), and the rear fork frame propping devices (14) are horizontally arranged and the length direction of the rear fork frame propping devices is perpendicular to the length direction of the cross beam (2); the rear fork frame jacking device (14) comprises a base (15) and a jacking rod (16) in threaded connection with the base (15).

3. The fork carriage flipping station of claim 1, wherein: the front fork frame jacking device (21) is arranged on one side of the cross beam (2) of the first front fork frame clamping clamp plate (18), the front fork frame jacking device (21) comprises sliding plates (22) arranged at two ends of the first front fork frame clamping clamp plate (18), and a jacking block (23) for jacking the front fork frame (30) is arranged on the inner side of the sliding plates (22); a sliding groove (24) is formed in the middle of the sliding plate (22), and the length direction of the sliding groove (24) is parallel to the length direction of the first front fork frame clamping plate (18); the sliding plate (22) is movably connected with the first front fork frame clamping clamp plate (18) through a bolt assembly.