CN114769377A

CN114769377A - Bender is used in fork processing

Info

Publication number: CN114769377A
Application number: CN202210413106.9A
Authority: CN
Inventors: 冯殿胜; 王国毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-22

Abstract

The invention discloses a bending machine for machining a pallet fork, which relates to the technical field of pallet fork machining and comprises a pallet fork bending device, a bending device and a bending device, wherein the pallet fork bending device is used for bulging, bending and elbow machining a straight blank of the pallet fork fed in to manufacture a semi-finished pallet fork workpiece; the discharging trolley is used for transferring the fork workpiece processed by the fork bending device to the overturning discharging mechanism; the turnover discharging mechanism is used for receiving the pallet fork workpieces transported by the discharging trolley and turning and discharging the pallet fork workpieces to a stacking roller way of the discharging mechanism; the discharging mechanism is used for conveying the pallet fork workpieces discharged by the turnover discharging mechanism to the stacking and storing device; according to the invention, the pallet fork bending device is used for bulging and bending the straight pallet fork blank, so that the pallet fork bulges are consistent in size, the surface of the pallet fork bulge is not scratched, the pallet fork basically has no distortion phenomenon, and the processing quality of the pallet fork workpiece is ensured; the bending machine consists of a plurality of components, and the automation degree is high, so that the labor intensity of workers is reduced, and the production and processing efficiency of pallet fork workpieces is improved.

Description

Bending machine for machining pallet fork

Technical Field

The invention relates to the technical field of pallet fork processing, in particular to a bending machine for pallet fork processing.

Background

The fork is one of the fork truck attachments, it is equivalent to the manipulator hung on fork truck, make fork truck become a high-efficient material handling tool of multipurpose, can carry on operations such as fork, clamp, push, pull, sidesway and rotation to almost any transport object that can imagine, thus raise the logistics efficiency, reduce the production cost, avoid the product damage, save the storage space.

The fork is an L-shaped steel component, and in the processing process of the fork, a straight fork blank needs to be bent to a required right-angle structure. At present, the pallet fork is bent semi-automatically, vertically and horizontally, so that the site environment, labor force and efficiency are low.

Due to the fact that the width dimension error of the elbow bending part of the conventional pallet fork is large, the pallet fork is twisted, and the elbow needs to be independently flattened in the manufacturing process, so that the labor consumption is high, more labor is used, and the production efficiency is low; although also adopting automatic mechanization, but not uniform to the fork swell size, the fork length size is inconsistent to when the swell serious to the surperficial fish tail of fork, the fork distortion, the fork length size deviation is big, and is different according to fork width and thickness, and the mould that needs is in large quantity, and the quality stability who bends to the fork is not good for long-term operation.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a bending machine for pallet fork processing to solve the technical problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a bending machine for pallet fork processing comprises:

-a fork bending device for bulging, bending and toggle machining of a fed fork straight blank to produce a semi-finished fork workpiece;

the discharge trolley is fixedly arranged on the front side of a discharge port of the fork bending device and is used for transferring the fork workpiece processed by the fork bending device to the overturning discharging mechanism;

the overturning discharging mechanism is fixedly arranged on one side of the discharging trolley and is used for receiving pallet fork workpieces transferred by the discharging trolley and conveying the pallet fork workpieces to the stacking and storing device;

the discharging mechanism is fixedly arranged at the rear end of the overturning discharging mechanism and is used for conveying the pallet fork workpieces stacked and discharged by the overturning discharging mechanism to the stacking and storing device.

Preferably, fork bending device includes outer casing frame, and fixed mounting has roll table and material loading back roll table before workstation, material loading in the outer casing frame, and the roll table sets up the front side at the workstation after roll table and the material loading before the material loading, and the outer casing frame has seted up the feed inlet towards one side of roll table before the material loading, has seted up the discharge gate towards one side of ejection of compact dolly.

Preferably, the workstation front end is provided with blank swell processing portion, blank swell processing portion includes the swell lower mould, blank top pushes away the subassembly and swells the subassembly that pushes down, the swell lower mould is through supplementary installation piece fixed mounting in workstation front end top, blank top pushes away the subassembly and includes the top push hydro-cylinder, the cylinder body fixed mounting who pushes away the hydro-cylinder is on shell frame, and the piston rod end welding that pushes away the hydro-cylinder front side has blank top push block, swell the subassembly that pushes down includes push down hydro-cylinder A, push down hydro-cylinder A's cylinder body fixed mounting on shell frame, and the piston rod end welding of push down hydro-cylinder A bottom has the mould of swelling.

Preferably, the rear end of the workbench is provided with a blank bending elbow processing portion, the blank bending elbow processing portion comprises a combined V-shaped die and a bending elbow pressing-down assembly, the combined V-shaped die is detachably mounted at the top of a die bearing block, the die bearing block is fixedly mounted in a notch at the top of the rear end of the workbench, the bending elbow pressing-down assembly comprises a pressing oil cylinder B, a cylinder body of the pressing oil cylinder B is fixedly mounted on the outer shell frame, a groove-shaped mounting block is welded at the end of a piston rod at the bottom of the pressing oil cylinder B, and a bending upper die matched with the combined V-shaped die is inserted in the groove-shaped mounting block.

Preferably, the discharge trolley comprises a bearing underframe, an installation rack is arranged at the top of the bearing underframe and driven by a rotary driving assembly to rotate at the top of the bearing underframe, a transverse sliding assembly is fixedly installed at the top of the installation rack, and a longitudinal sliding assembly is fixedly installed at the sliding end of the transverse sliding assembly.

Preferably, the rotary driving assembly comprises a circular fluted disc and a driving executive component, the circular fluted disc is fixedly mounted at the top of the bearing chassis, a rotating shaft is mounted at the center of the circular fluted disc through a shaft sleeve, the top end of the rotating shaft is welded with the mounting rack, the driving executive component is fixedly mounted at one end of the top of the mounting rack, and a driving gear meshed with the circular fluted disc is sleeved on an output shaft at the bottom of the driving executive component.

Preferably, transversely slide the subassembly and include that a set of parallel weld draws a frame one in the slide rail A at installation rack top, two slide rail A wherein one end welding have, placed the sliding stand between two slide rail A, a set of movable pulley A is installed respectively to the both sides of sliding stand, every movable pulley A slidable mounting of group has an electric telescopic handle A in the slide rail A who corresponds the side, the sliding stand is kept away from and is drawn the one end fixed mounting of frame one, and electric telescopic handle A's flexible end passes through universal joint A and draws a fixed connection.

Preferably, the subassembly that vertically slides passes through the angle frame and installs in the sliding table top, including outer grudging post, has placed interior grudging post between the outer grudging post, and slide rail B is installed respectively to both sides in the outer grudging post, and a set of movable pulley B is installed respectively to the both sides of interior grudging post, and outer grudging post top fixed mounting has electric telescopic handle B, and the flexible end of electric telescopic handle B's bottom passes through universal joint B and interior grudging post top fixed connection, and the front end of interior grudging post still fixed mounting has the interlock frame, and the welding of interlock frame front end face has a plurality of to be used for the bearing polished rod of fork work piece of forking goods.

Preferably, upset drop feed mechanism includes frame A, the top rotates through the axle sleeve in the frame A and is connected with the upset grillage, wherein one end of upset grillage is connected with the upset execution piece of its upset of drive, and drive upset execution piece fixed mounting on frame A one side top, the other end of upset grillage is connected with the cell-rack that is used for placing the fork work piece through the pivot, the cell-rack sways through the drive of a flexible execution piece, and the rotation of flexible execution piece is installed on the upset grillage, the outside fixed mounting of cell-rack has the execution piece that compresses tightly, the work end that compresses tightly the execution piece is connected with the pressure strip, in operation, compress tightly the execution piece and promote the fork work piece that the pressure strip compressed tightly in the cell-rack, the fork work piece landing in the cell-rack when preventing upset drop feed mechanism from overturning.

Preferably, the discharging mechanism comprises a rack B, a plurality of accumulating roller ways are installed at the top of the rack B and are driven to rotate by a driving executing part, and a plurality of deviation rectifying blocking frames are welded on one side of the rack B, facing the fork handle of the fork workpiece.

Compared with the prior art, the invention has the following beneficial effects:

according to the pallet fork processing bending machine, the loading roller way, the pallet fork bending device, the discharging trolley, the overturning discharging mechanism and the discharging mechanism are combined to form the pallet fork processing bending machine, the pallet fork bending device can achieve rapid processing of bulging, bending and elbow of a pallet fork straight blank, the discharging trolley, the overturning discharging mechanism and the discharging mechanism are matched to achieve rapid discharging of a processed pallet fork workpiece, the automation degree is high, the labor intensity of workers is reduced, and the production processing efficiency of the pallet fork workpiece is improved; moreover, the pressure sensor and the displacement sensor are respectively arranged on the side surface of the pushing oil cylinder of the blank bulge processing part and the side surface of the pressing oil cylinder B of the blank bending elbow processing part to serve as digital sensors, so that the pressing force and the accurate position feedback of the hydraulic pressing assembly on the straight blank of the fork can be detected and fed back, the bulges of the processed fork workpiece are consistent in size, the surface of the processed fork workpiece is not scratched, the processed fork basically has no distortion, the processing quality of the fork workpiece is guaranteed, the model of the combined V-shaped die for bending the straight blank of the fork can be changed only according to the thickness of the fork, and therefore, the bending machine is not limited by specification models such as the width of the fork, and the application is wide.

Drawings

Fig. 1 is a first schematic perspective view of a bending machine for fork processing according to an embodiment of the present invention;

FIG. 2 is a side view of a bending machine for pallet fork processing in accordance with an embodiment of the present invention;

fig. 3 is a top view of a bending machine for pallet fork processing according to an embodiment of the invention;

fig. 4 is a schematic perspective view of a bending machine for fork processing according to an embodiment of the present invention.

Fig. 5 is a three-dimensional structure diagram of a turnover discharging mechanism of the bending machine for fork processing in the embodiment of the invention.

Fig. 6 is a side view of the overturning discharging mechanism of the bending machine for fork processing according to the embodiment of the invention.

Fig. 7 is a mounting structure diagram of a combined V-shaped die and a die bearing block of the bending machine for fork processing according to the embodiment of the present invention.

1. A pallet fork bending device; 2. a discharging trolley; 3. turning over the discharging mechanism; 4. a discharging mechanism; 5. a pallet fork workpiece;

11. a feed inlet; 12. bending the blank into a flat elbow processing part; 13. a blank bulge processing part; 14. a housing frame; 15. a discharge port; 16. a feeding back roller way; 17. a work table; 18. a feeding front roller way; 21. a load-bearing chassis; 22. installing a rack; 23. a circular fluted disc; 24. driving the executive component; 25. a drive gear; 26. a lateral glide assembly; 27. a longitudinal slide assembly; 28. a linkage frame; 29. bearing the polished rod; 31. a frame A; 32. turning over the executive component; 33. turning over the plate frame; 34. a telescopic executive component; 35. a slot frame; 36. pressing the executing piece; 37. a compression plate; 41. a stacking roller way; 42. a deviation-rectifying baffle frame; 43. a frame B;

121. pressing the oil cylinder B; 122. a trough-shaped mounting block; 123. bending the upper die; 124. combining the V-shaped mold; 125. a mold carrying block; 131. an auxiliary mounting block; 132. bulging the lower die; 133. bulging an upper die; 134. pressing the oil cylinder A; 135. pushing the oil cylinder; 136. pushing the blank by a pushing block; 261. a sliding platform; 262. an electric telescopic rod A; 263. a slide rail A; 264. a sliding wheel A; 271. an inner vertical frame; 272. an electric telescopic rod B; 273. a sliding wheel B; 274. an outer vertical frame; 275. and a slide rail B.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1-4, in the present embodiment, a bending machine for pallet fork processing is provided, which includes: the pallet fork bending device 1 is used for bulging, bending and elbow machining the fed pallet fork straight blank to manufacture a semi-finished pallet fork workpiece 5; the discharging trolley 2 is fixedly arranged on the front side of a discharging port 15 of the fork bending device 1 and is used for transferring the fork workpieces 5 processed by the fork bending device 1 to the overturning discharging mechanism 3; the overturning and discharging mechanism 3 is fixedly arranged on one side of the discharging trolley 2 and is used for receiving the pallet fork workpiece 5 transferred by the discharging trolley 2 and overturning and discharging the pallet fork workpiece 5 onto a accumulating roller way 41 of the discharging mechanism 4; and the discharging mechanism 4 is fixedly arranged at the rear end of the turnover discharging mechanism 3 and is used for conveying the pallet fork workpieces 5 discharged by the turnover discharging mechanism 3 to the stacking and storing device.

It should be noted that the bending machine for fork processing is also matched with a control system, the control system can adopt a programmable logic control system (PLC) with stable performance as a central control system, program input and operation control of the whole machine are realized by a touch screen, the straight blank bulging, bending and elbow processing, discharging and transferring of the discharging trolley 2, overturning and feeding of the overturning and feeding mechanism 3 and discharging and conveying of the discharging mechanism 4 of the fork bending device 1 are realized, the control system has the functions of indicating and correcting, breakpoint memory and the like, and the control system is connected with the fork bending device 1, the discharging trolley 2, the overturning and feeding mechanism 3 and the discharging mechanism 4 by high-temperature resistant flat control cables.

Referring to fig. 1, in this embodiment, the fork bending apparatus 1 includes an outer shell frame 14, a workbench 17, a feeding front roller way 18 and a feeding rear roller way 16 are fixedly mounted in the outer shell frame 14, the feeding front roller way 18 and the feeding rear roller way 16 are arranged on the front side of the workbench 17, the outer shell frame 14 is provided with a feeding port 11 facing one side of the feeding front roller way 18, and is provided with a discharging port 15 facing one side of the discharging trolley 2.

Referring to fig. 1 to 4, in this embodiment, a blank bulging processing portion 13 is disposed at the front end of the workbench 17, the blank bulging processing portion 13 includes a bulging lower die 132, a blank pushing assembly and a bulging pressing assembly, the bulging lower die 132 is fixedly mounted at the top of the front end of the workbench 17 through an auxiliary mounting block 131, the blank pushing assembly includes a pushing cylinder 135, a cylinder body of the pushing cylinder 135 is fixedly mounted on the outer shell frame 14, a blank pushing block 136 is welded at a piston rod end on the front side of the pushing cylinder 135, the bulging pressing assembly includes a pressing cylinder a134, a cylinder body of the pressing cylinder a134 is fixedly mounted on the outer shell frame 14, and an upper bulging die 133 is welded at a piston rod end at the bottom of the pressing cylinder a 134. In practical use, when the straight pallet fork blank is placed in the bulging lower die 132, the pushing cylinder 135 of the blank pushing assembly can push the blank pushing block 136 to push against the end part of the straight pallet fork blank so as to realize pushing and positioning of the straight pallet fork blank, and then the pressing cylinder a134 of the bulging pressing assembly drives the bulging upper die 133 to press the bulging area of the straight pallet fork blank, so that a bulge is formed in the bulging area of the straight pallet fork blank.

It should be noted that, a pressure sensor and a displacement sensor are installed on the side surface of the pushing cylinder of the blank bulge processing portion 13 and serve as digital sensors, and are used for detecting the downward pressure and the displacement of the straight blank bulge of the fork of the bulge downward pressing assembly and feeding a detection value back to the control system of the bending machine for fork processing, so that the control system controls and adjusts the downward pressure and the position accuracy of the straight blank bulge of the fork of the bulge downward pressing assembly, the consistency of the bulge size of the straight blank of the processed fork is guaranteed, and the surface of the bulge is not scratched.

Referring to fig. 1 to 4, in the embodiment, a blank bending elbow processing portion 12 is disposed at the rear end of the workbench 17, the blank bending elbow processing portion 12 includes a combined V-shaped die 124 for bending an elbow and a bending elbow pressing assembly, the combined V-shaped die 124 is detachably mounted on the top of a die bearing block 125, the die bearing block 125 is fixedly mounted in a notch at the top of the rear end of the workbench 17, the bending elbow pressing assembly includes a pressing cylinder B121, a cylinder body of the pressing cylinder B121 is fixedly mounted on the outer shell frame 14, a groove-shaped mounting block 122 is welded to a piston rod end at the bottom of the pressing cylinder B121, and a bending upper die 123 adapted to the combined V-shaped die 124 is inserted into the groove-shaped mounting block 122. During practical use, workers replace the combined V-shaped die 124 at the top of the die bearing block 125 and the bending upper die 123 at the bottom of the pressing oil cylinder B121 according to the thickness and the width of the machined pallet fork workpiece 5, so that the bending machine is not limited by the specification and the model of the pallet fork workpiece 5, the applicability is wide, when a pallet fork straight blank after bulging is placed in the combined V-shaped die 124, the pressing oil cylinder B121 of the bending elbow pressing component drives the bending upper die 123 to press the pallet fork straight blank, and then the pallet fork straight blank is subjected to one-time elbow bending operation, and the machining efficiency of the pallet fork straight blank is guaranteed.

It should be noted that, a pressure sensor and a displacement sensor are also installed on the side surface of the lower pressing cylinder B of the blank bending elbow processing portion 12 as digital sensors, and are used for detecting the bending elbow lower pressure degree and the displacement degree of the bending elbow lower pressing assembly on the pallet fork straight blank (on the combined V-shaped die 124), and feeding the detected values back to the control system of the pallet fork processing bending machine, so that the control system can adjust the operation of the bending elbow lower pressing assembly, which is not specifically described herein;

referring to fig. 7, in order to improve the overall service life of the combined V-shaped mold 124, a plurality of heat dissipation holes (not shown) are further formed in the combined V-shaped mold 124, and a circulating water system can be added for cooling, and the side surface of the mold bearing block 125 is designed to be hollow, so that when the mold is in operation, the heat diffusion, cooling and heat dissipation effects of the combined V-shaped mold 124 are good, and the service life of the V-shaped mold 124 is further ensured.

Referring to fig. 1-4, in this embodiment, the discharging trolley 2 includes a carrying chassis 21, a mounting rack 22 is disposed on the top of the carrying chassis 21, the mounting rack 22 is driven by a rotary driving assembly to rotate on the top of the carrying chassis 21, a transverse sliding assembly 26 is fixedly mounted on the top of the mounting rack 22, and a longitudinal sliding assembly 27 is fixedly mounted on a sliding end of the transverse sliding assembly 26. In practical use, the rotary driving assembly can drive the mounting rack 22 to rotate at a fixed angle on the top of the supporting chassis 21, for example, when the initial state of the supporting polish rod 29 of the discharging trolley 2 is selected to face the turnover discharging mechanism 3, and when the discharging trolley 2 needs to take materials from the discharging port 15 of the pallet fork bending device 1, the rotary driving assembly can drive the mounting rack 22 to rotate 90 degrees counterclockwise on the top of the supporting chassis 21 so as to face the supporting polish rod 29 of the discharging trolley 2 to the discharging port 15 of the pallet fork bending device 1, at this time, the transverse sliding assembly 26 drives the longitudinal sliding assembly 27 and the supporting polish rod 29 to advance toward the discharging port 15, and adjusts the height of the supporting polish rod 29 through the longitudinal sliding assembly 27 so as to fork the pallet fork workpieces 5 processed by the pallet fork bending device 1; when the discharging trolley 2 needs to be transported and fed to the turnover discharging mechanism 3, only the driving component of the discharging trolley 2 needs to be controlled by a program to reversely rotate, which is not described herein.

Referring to fig. 1-4, in the present embodiment, the rotation driving assembly includes a circular toothed disc 23 and a driving actuator 24, the circular toothed disc 23 is fixedly mounted on the top of the supporting chassis 21, a rotating shaft is mounted at the center of the circular toothed disc 23 through a shaft sleeve, the top end of the rotating shaft is welded to the mounting rack 22, the driving actuator 24 is fixedly mounted at one end of the top of the mounting rack 22, and a driving gear 25 engaged with the circular toothed disc 23 is sleeved on an output shaft at the bottom of the driving actuator 24. The driving actuator 24 drives the driving gear 25 of the output shaft at the bottom to rotate, and then the driving gear 25 performs a circular motion relative to the circular fluted disc 23, and then drives the mounting rack 22, and the transverse sliding assembly 26 and the longitudinal sliding assembly 27 thereon to perform a same-direction speed motion.

Referring to fig. 1-4, in this embodiment, the transverse sliding assembly 26 includes a set of sliding rails a263 welded in parallel to the top of the mounting rack 22, one end of each of the two sliding rails a263 is welded with a first pull rack, a sliding platform 261 is placed between the two sliding rails a263, a set of sliding wheels a264 are respectively installed on two sides of the sliding platform 261, each set of sliding wheels a264 is slidably installed on the corresponding sliding rail a263, an electric telescopic rod a262 is fixedly installed on one end of the sliding platform 261 far away from the first pull rack, and the telescopic end of the electric telescopic rod a262 is fixedly connected with the first pull rack through a universal joint a. During the in-service use, electric telescopic handle A262 can stimulate the slipway 261 to slide back and forth in two slide rails A263 through two sets of movable pulleys A264 because of the flexible function of self, and then realize carrying out the ejection of compact to the fork work piece 5 that fork bending device 1 processed to and the pay-off is transported to the fork work piece 5 of upset drop feed mechanism 3, and concrete process is not repeated here.

Referring to fig. 1-4, in this embodiment, the longitudinal sliding assembly 27 is mounted on the top of the sliding table 261 through an angle bracket, and includes an outer vertical frame 274, an inner vertical frame 271 is placed between the outer vertical frame 274, sliding rails B275 are respectively mounted on two sides in the outer vertical frame 274, a set of sliding wheels B273 is respectively mounted on two sides of the inner vertical frame 271, an electric telescopic rod B272 is fixedly mounted on the top of the outer vertical frame 274, a telescopic end at the bottom of the electric telescopic rod B272 is fixedly connected with the top end of the inner vertical frame 271 through a universal joint B, a linkage frame 28 is further fixedly mounted at the front end of the inner vertical frame 271, and a plurality of load-bearing polish rods 29 for picking up the fork workpiece 5 are welded on the front end face of the linkage frame 28. During practical use, the electric telescopic rod B272 can pull the sliding wheels B273 on both sides of the inner vertical frame 271 to move up and down and slide in the outer vertical frame 274 in a reciprocating manner due to the self telescopic function, so as to adjust the height of the position of the polished rod 29 supported by the front end face of the linkage frame 28, so as to fork the fork workpiece 5 processed by the fork bending device 1, or place the fork workpiece 5 supported by the polished rod 29 on the slot frame 35 of the turnover discharging mechanism 3, and the specific process is not described herein.

Referring to fig. 1, 2-6, in this embodiment, the turnover discharging mechanism 3 includes a rack a31, the top end of the rack a31 is rotatably connected with a turnover plate rack 33 through a shaft sleeve, one end of the turnover plate rack 33 is connected with a turnover executing element 32 for driving the turnover plate rack to turn over, the driving and overturning executing part 32 is fixedly arranged at the top end of one side of the frame A31, the other end of the overturning plate frame 33 is connected with a slot frame 35 for placing the pallet fork workpiece 5 through a rotating shaft, the slot frame 35 is driven to swing through a telescopic executing part 34, the telescopic executing part 34 is rotatably arranged on the turnover plate frame 33, the pressing executing part 36 is fixedly arranged on the outer side of the slot frame 35, the working end of the pressing executing part 36 is connected with a pressing plate 37, when in work, the pressing execution piece 36 pushes the pressing plate 37 to press the fork workpiece 5 in the slot frame 35, so that the fork workpiece 5 is prevented from sliding off the slot frame 35 when the overturning and discharging mechanism 3 overturns. In actual operation, when the discharge trolley 2 puts the pallet fork workpiece 5 supported by the bearing polish rod 29 onto the slot frame 35 of the turnover discharging mechanism 3, the pressing executive component 36 outside the slot frame 35 pushes the pressing plate 37 to press the pallet fork workpiece 5 inside the slot frame 35, so as to prevent the pallet fork workpiece 5 from sliding down from the slot frame 35 when the turnover discharging mechanism 3 is turned over, and the telescopic executive component 34 drives the slot frame 35 to swing and lay flat (to be horizontal with the accumulating roller 41 on the top of the rack B43), at this time, the turnover executive component 32 can drive the turnover rack frame 33 and the slot frame 35 connected with the top thereof to turn over clockwise, so as to put the pallet fork workpiece 5 onto the accumulating roller 41 on the top of the rack B43, and then the pressing executive component 36 outside the slot frame 35 pulls the pressing plate 37, so that the pallet fork workpiece 5 slides down from the slot frame 35 and is conveyed by the discharge mechanism 4, and the turnover executive component 32 can drive the turnover rack frame 33 and the slot frame 35 connected with the top thereof to turn over counterclockwise integrally, and resetting after the overturning feeding process is finished.

In this embodiment, the pressing actuator 36 and the telescopic actuator 34 may be, but not limited to, an air cylinder, a hydraulic oil cylinder, etc., and the overturning actuator 32 may be, but not limited to, a stepping motor, a rotary air cylinder, a reduction motor, etc., and in this embodiment, is preferably a rotary air cylinder.

Referring to fig. 1 and fig. 2 to 6, in this embodiment, the discharging mechanism 4 includes a frame B43, a plurality of accumulating roller beds 41 are installed on the top of the frame B43, the accumulating roller beds 41 are driven to rotate by a driving executing member, and a plurality of deviation-correcting blocking frames 42 are welded on one side of the frame B43 facing the fork handle of the fork workpiece 5. The deviation-correcting blocking frame 42 can be abutted against the fork handle of the conveyed fork workpiece 5 to perform deviation-correcting operation on the fork workpiece, so that the fork workpiece 5 is prevented from sliding off the accumulation roller way 41 in the conveying process.

The working principle is as follows: after straight pallet fork blanks are fed into the front feeding roller way 18 and the rear feeding roller way 16 from the feeding port 11 of the outer shell frame 14, the straight pallet fork blanks are firstly placed into the bulging lower die 132 at the blank bulging processing part 13 for bulging processing, then the straight pallet fork blanks after bulging processing are placed into the combined V-shaped die 124 at the blank bending elbow processing part 12 for bending elbow processing, the discharging trolley 2 is adjusted to lift and lower the bearing polished rod 29 through turning, front and back stretching, so that the pallet fork workpieces 5 processed by the fork bending tool 1 are supported and discharged by the bearing polished rod 29, then the discharging trolley 2 only needs to run reversely to convey the pallet fork workpieces 5 to the groove frame 35 of the turnover discharging mechanism 3, the pressing executive component 36 outside the groove frame 35 pushes the pressing plate 37 to press the pallet fork workpieces 5 in the groove frame 35, and the pallet fork workpieces 5 are prevented from falling from the groove frame 35 when the turnover discharging mechanism 3 is turned over, and the telescopic executive component 34 drives the slot frame 35 to swing and lay flat (horizontal to the stacking roller way 41 at the top of the rack B43), at this time, the turnover executive component 32 can drive the turnover plate frame 33 and the slot frame 35 connected with the top of the turnover plate frame to turn over clockwise integrally, and then the pallet fork workpiece 5 is placed on the stacking roller way 41 at the top of the rack B43, then the pressing executive component 36 outside the slot frame 35 pulls the pressing plate 37, the pallet fork workpiece 5 slides down from the slot frame 35 and is conveyed by the discharging mechanism 4, the turnover executive component 32 can drive the turnover plate frame 33 and the slot frame 35 connected with the top of the turnover plate frame to turn over anticlockwise integrally, the reset after the turnover feeding process is completed, and then the processing, discharging, transferring and feeding of one pallet fork workpiece 5 are completed.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those skilled in the art

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a bender is used in fork processing which characterized in that includes:

-a fork bending device (1) for bulging, bending and flatbed bending of a fed fork straight blank to produce a semi-finished fork workpiece (5);

the discharge trolley (2) is fixedly arranged on the front side of a discharge hole (15) of the fork bending device (1) and is used for transferring the fork workpiece (5) processed by the fork bending device (1) to the turnover discharging mechanism (3);

the overturning and discharging mechanism (3) is fixedly arranged on one side of the discharging trolley (2) and is used for receiving the pallet fork workpiece (5) transferred by the discharging trolley (2) and overturning and discharging the pallet fork workpiece (5) onto a stacking roller table (41) of the discharging mechanism (4);

the discharging mechanism (4) is fixedly arranged at the rear end of the overturning discharging mechanism (3) and is used for stacking the pallet fork workpieces (5) discharged by the overturning discharging mechanism (3) and conveying the pallet fork workpieces to the stacking and storing device.

2. The bending machine for fork machining according to claim 1, wherein the fork bending device (1) comprises an outer shell frame (14), a workbench (17), a front feeding roller way (18) and a rear feeding roller way (16) are fixedly mounted in the outer shell frame (14), the front feeding roller way (18) and the rear feeding roller way (16) are arranged on the front side of the workbench (17), a feeding port (11) is formed in one side, facing the front feeding roller way (18), of the outer shell frame (14), and a discharging port (15) is formed in one side, facing the discharging trolley (2).

3. The bending machine for machining of forks of claim 2, wherein a blank bulging machining portion (13) is arranged at the front end of the workbench (17), the blank bulging machining portion (13) comprises a bulging lower die (132), a blank pushing assembly and a bulging pressing assembly, the bulging lower die (132) is fixedly mounted at the top of the front end of the workbench (17) through an auxiliary mounting block (131), the blank pushing assembly comprises a pushing oil cylinder (135), a cylinder body of the pushing oil cylinder (135) is fixedly mounted on the outer shell frame (14), a blank pushing block (136) is welded at a piston rod end of the front side of the pushing oil cylinder (135), the bulging pressing assembly comprises a pressing oil cylinder A (134), the cylinder body of the pressing oil cylinder A (134) is fixedly mounted on the outer shell frame (14), and a bulging upper die (133) is welded at a piston rod end of the bottom of the pressing oil cylinder A (134).

4. The bending machine for fork processing according to claim 2 or 3, the rear end of workstation (17) is provided with flat elbow of blank processing portion of bending (12), flat elbow of blank processing portion of bending (12) is including the combination V type mould (124) and the flat elbow of bending push down the subassembly that are used for bending the flat elbow, combination V type mould (124) detachable installs in mould carrier block (125) top, mould carrier block (125) fixed mounting is in the notch at workstation (17) rear end top, the flat elbow of bending pushes down the subassembly including pushing down hydro-cylinder B (121), the cylinder body fixed mounting of pushing down hydro-cylinder B (121) is on shell frame (14), the piston rod end welding of pushing down hydro-cylinder B (121) bottom has slot-like installation piece (122), mould (123) are gone up in the interpolation dress of bending with combination V type mould (124) looks adaptation to slot-like installation piece (122).

5. The bending machine for fork machining according to claim 1, wherein the discharging trolley (2) comprises a bearing underframe (21), a mounting rack (22) is arranged at the top of the bearing underframe (21), the mounting rack (22) is driven by a rotary driving assembly to rotate at the top of the bearing underframe (21), a transverse sliding assembly (26) is fixedly mounted at the top of the mounting rack (22), and a longitudinal sliding assembly (27) is fixedly mounted at a sliding end of the transverse sliding assembly (26).

6. The bending machine for fork machining according to claim 5, wherein the rotary driving assembly comprises a circular fluted disc (23) and a driving executive component (24), the circular fluted disc (23) is fixedly installed at the top of the bearing chassis (21), a rotating shaft is installed at the center of the circular fluted disc (23) through a shaft sleeve, the top end of the rotating shaft is welded with the installation rack (22), the driving executive component (24) is fixedly installed at one end of the top of the installation rack (22), and an output shaft at the bottom of the driving executive component (24) is sleeved with a driving gear (25) meshed with the circular fluted disc (23).

7. The bending machine for machining of fork of claim 5, wherein, subassembly (26) transversely slides includes that a set of parallel welding has slide rail A (263) at installation bench (22) top, two slide rail A (263) wherein one end welding has a la jia one, sliding table (261) has been placed between two slide rail A (263), a set of movable pulley A (264) is installed respectively to the both sides of sliding table (261), every group movable pulley A (264) slidable mounting is in slide rail A (263) of corresponding side, one end fixed mounting that the la jia one was kept away from to sliding table (261) has electric telescopic handle A (262), and the flexible end of electric telescopic handle A (262) passes through universal joint A and a la jia fixed connection.

8. The bending machine for fork machining according to claim 7, wherein the longitudinal sliding assembly (27) is mounted at the top of the sliding table (261) through an angle frame and comprises an outer vertical frame (274), an inner vertical frame (271) is placed between the outer vertical frame (274), sliding rails B (275) are mounted on two sides in the outer vertical frame (274) respectively, a set of sliding wheels B (273) are mounted on two sides of the inner vertical frame (271) respectively, an electric telescopic rod B (272) is fixedly mounted on the top of the outer vertical frame (274), a telescopic end of the bottom of the electric telescopic rod B (272) is fixedly connected with the top end of the inner vertical frame (271) through a universal joint B, a linkage frame (28) is fixedly mounted at the front end of the inner vertical frame (271), and a plurality of bearing polished rods (29) for forking a fork workpiece (5) are welded on the front end face of the linkage frame (28).

9. The bending machine for fork processing according to claim 1, wherein the overturning and discharging mechanism (3) comprises a rack A (31), the inner top end of the rack A (31) is rotatably connected with an overturning plate frame (33) through a shaft sleeve, one end of the overturning plate frame (33) is connected with an overturning executing part (32) for driving the overturning executing part to overturn, the overturning executing part (32) is fixedly installed at the top end of one side of the rack A (31), the other end of the overturning plate frame (33) is connected with a groove frame (35) for placing a fork workpiece (5) through a rotating shaft, the groove frame (35) is driven to swing through a telescopic executing part (34), the telescopic executing part (34) is rotatably installed on the overturning plate frame (33), the outer side of the groove frame (35) is fixedly provided with a pressing executing part (36), the working end of the pressing executing part (36) is connected with a pressing plate (37), and during work, the pressing execution piece (36) pushes the pressing plate (37) to press the fork workpiece (5) in the slot frame (35), and the fork workpiece (5) is prevented from sliding from the slot frame (35) when the overturning discharging mechanism (3) overturns.

10. The bending machine for fork processing according to claim 1, wherein the discharging mechanism (4) comprises a frame B (43), a plurality of accumulation roller ways (41) are mounted on the top of the frame B (43), the accumulation roller ways (41) are driven to rotate by a driving executing part, and a plurality of deviation rectifying blocking frames (42) are welded on one side of the frame B (43) facing the fork handles of the fork workpieces (5).