Pneumatic pushing device

By using the push plate and buffer structure of the pneumatic pusher, the problem of workpiece collision during machine tool unloading is solved, thus achieving safe unloading and quality assurance of the workpiece.

CN223629997UActive Publication Date: 2025-12-05JING SHIELD NC MACHINE TOOL CO LTD
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Patent Information

Application Number
CN202423308637.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-05
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

When unloading materials from existing machine tools, the gantry robot cannot avoid collisions between the workpiece and the workpiece in the material box, resulting in damage to the workpiece quality.

Method used

Design a pneumatic pusher device that uses a cylinder to drive a pusher plate to push a new workpiece away from the drop point, and combines a limiting structure and a buffer device to avoid workpiece collision.

Benefits of technology

It effectively prevents workpieces from colliding with each other during the feeding process, ensuring workpiece quality, and reduces the risk of damage through a buffer structure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223629997U_ABST
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Abstract

A pneumatic material pushing device comprises a machine tool, a truss mechanical arm arranged above the machine tool and a fixing frame arranged on one side of the machine tool, and a material box is arranged on one side of the fixing frame. The upper surface of the material box is provided with a material falling opening communicated with the inner space of the material box. An air cylinder is arranged at the rear part of the inner wall of the lower side of the material box; a push plate is arranged at the front end of a piston rod of the air cylinder; a plurality of supporting arms are evenly distributed on the lower surface of the fixing frame from front to back. The right portions of the supporting arms are located on the right side of the fixing frame. And the right part of the supporting arm is fixed with the material box through a limiting structure. The pneumatic material pushing device can ensure that new workpieces cannot collide with the workpieces in the material box when the truss manipulator is used for blanking the new workpieces, so that the quality of the workpieces is effectively ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machine tool especially, a kind of pneumatic pushing device. BACKGROUND

[0002] Machine tool is used for processing workpiece equipment, when machine tool is processed workpiece is completed, then will utilize truss manipulator to move workpiece from the tooling of machine tool to the magazine, complete unloading action, in actual unloading, truss manipulator is fixedly not changed each time workpiece is dropped in the position of magazine, under this condition, truss manipulator cannot loosen workpiece after workpiece and magazine lower side inner wall contact, only can loosen directly open when workpiece is adjacent magazine lower side inner wall, make workpiece complete unloading in the way of falling, to avoid the workpiece originally in magazine to cause hindrance to the moving track of truss manipulator, but this unloading mode is prone to cause collision between the workpiece of falling and the workpiece in magazine, under the action of falling force, cause workpiece to appear damage, finally affect workpiece quality. SUMMARY

[0003] The utility model solves the prior art problem to provide a kind of pneumatic pushing device, it can guarantee that truss manipulator unloads new workpiece, new workpiece will not collide with the workpiece in magazine, effectively guarantee the quality of workpiece.

[0004] The utility model solves the above-mentioned technical problem using the technical scheme that:

[0005] The utility model discloses a kind of pneumatic pushing device, including machine tool, the truss manipulator being set on the upper of machine tool and the fixed frame being set on the side of machine tool, the fixed frame one side is equipped with magazine;The upper surface of the magazine is equipped with with its internal space through and through's blanking port;The lower side inner wall of the magazine is equipped with a cylinder;The piston rod front end of the cylinder is equipped with a push plate;The lower surface of the fixed frame is equipped with a plurality of support arms that are evenly distributed from front to back, and the right part of the support arm is located on the right side of the fixed frame;The right part of the support arm is fixed with the magazine by a limiting structure.

[0006] The limiting structure includes fixed seat plate being equipped on the upper surface of the right part of support arm;The fixed seat plate is equipped with a plurality of guide holes that are evenly distributed from front to back;The lower surface of the magazine is equipped with with the guide hole matched guide structure, guide structure can make magazine move up and down along the track of guide hole;The fixed seat plate is equipped with a plurality of evenly distributed card holes;The card hole is equipped with with its matched buffer cylinder;The upper surface of the buffer cylinder is equipped with with its internal space through and through's barrel mouth;The lower surface of the magazine is equipped with a plurality of with the buffer cylinder coaxial ejector rod;The lower end of the ejector rod is equipped with with the buffer cylinder matched top block;Between the lower surface of the top block and the lower side inner wall of the buffer cylinder, a buffer block is equipped, and the buffer block is of rubber material;The lower surface of the buffer block is equipped with with the upper narrow lower wide air groove.

[0007] The guide structure comprises a guide rod, the lower end of the guide rod passes through a guide hole corresponding to the guide rod downward and is screwed with a limiting nut which is combined with the lower surface of the fixed base plate; the upper end of the guide rod is provided with a fixed head which is combined with the lower surface of the material box; the upper end of the top rod is provided with a limiting plate which is combined with the lower surface of the material box; the limiting plate and the material box, the fixed head and the material box are all fixed by a plurality of fastening screws.

[0008] The front end of the material box is provided with a front guide plate; the rear side of the lower surface of the material box is provided with a rear guide plate which is opposite to the front guide plate; the lower end surface of the front guide plate and the lower end surface of the rear guide plate are both lower than the lower surface of the fixed base plate; the front end surface of the fixed base plate is combined with the rear side side wall of the front guide plate, and the rear end surface of the fixed base plate is combined with the front side side wall of the rear guide plate.

[0009] The outer wall of the upper end of the buffer cylinder is provided with a fixed part which is combined with the upper surface of the fixed base plate; the fixed part and the fixed base plate are fixed by a plurality of fixed screws.

[0010] The front side side wall of the push plate is provided with an auxiliary pad which is made of rubber.

[0011] The beneficial effects of the utility model are:

[0012] Compared with the prior art, when the truss mechanical hand of the pneumatic pushing device with the utility model structure discharges workpieces, with the workpieces falling on the inner wall of the lower side of the material box, the push plate is located at the back of the workpieces, when the truss mechanical hand resets to clamp new workpieces, the cylinder starts, and the piston rod of the cylinder drives the push plate to move forward, when the push plate moves forward, the push plate pushes the workpieces at the front side of the push plate forward, so that the workpieces are away from the dropping point, even if new workpieces fall at the original dropping point again, the two workpieces will not collide, so that the situation that the workpieces in the material box and the newly discharged workpieces collide under the impact of falling and are damaged is effectively avoided, and the workpiece quality is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic view of the pneumatic pushing device of the utility model;

[0014] Figure 2 It is the sectional view of the limiting structure. DETAILED DESCRIPTION

[0015] The application will be further described in detail in combination with the drawings and specific embodiments:

[0016] Please refer to Figure 1 , Figure 2The utility model provides a kind of pneumatic pushing device, including lathe 1, truss manipulator 2 being equipped in the top of lathe 1 and fixed bracket 3 being equipped in the side of lathe 1, the fixed bracket 3 side is equipped with material box 4;The upper surface of the material box 4 is equipped with blanking opening 5 with its internal space interpenetration;The rear portion of the lower side inner wall of the material box 4 is equipped with a cylinder 6;The front end of the piston rod 601 of the cylinder 6 is equipped with a push plate 7;The lower surface of the fixed bracket 3 is equipped with several support arms 8 that are evenly distributed from front to back, and the right part of the support arm 8 is located on the right side of the fixed bracket 3;The right part of the support arm 8 is fixed with the material box 4 through a limiting structure.

[0017] The limiting structure includes a fixed seat plate 9 provided on the upper surface of the right part of the support arm 8;The fixed seat plate 9 is provided with a plurality of guide holes 10 evenly distributed from front to back;The lower surface of the material box 4 is provided with a guide structure matching the guide holes 10, which can move the material box 4 up and down along the trajectory of the guide holes 10;The fixed seat plate 9 is provided with a plurality of evenly distributed clamping holes 11;The clamping hole 11 is provided with a buffer cylinder 12 matching it;The upper surface of the buffer cylinder 12 is provided with a cylinder mouth 13 interpenetrating with its internal space;The lower surface of the material box 4 is provided with a plurality of top rods 14 coaxial with the buffer cylinder 12;The lower end of the top rod 14 is provided with a top block 15 matching the buffer cylinder 12;A buffer block 16 is provided between the lower surface of the top block 15 and the lower side inner wall of the buffer cylinder 12, and the buffer block 16 is made of rubber;The lower surface of the buffer block 16 is provided with a gas groove 17 which is narrow at the top and wide at the bottom.

[0018] The guide structure includes a guide rod 18, the lower end of the guide rod 18 passes through the corresponding guide hole 10 downward and is screwed with a limiting nut 19 matching the lower surface of the fixed seat plate 9;The upper end of the guide rod 18 is provided with a fixed head 20 matching the lower surface of the material box 4;The upper end of the top rod 14 is provided with a limiting plate 21 matching the lower surface of the material box 4;The limiting plate 21 and the material box 4, the fixed head 20 and the material box 4 are all fixed by a plurality of fastening screws 26.

[0019] The front end of the material box 4 is provided with a front guide plate 22;The rear side of the lower surface of the material box 4 is provided with a rear guide plate 23 opposite to the front guide plate 22;The lower end surface of the front guide plate 22 and the lower end surface of the rear guide plate 23 are both lower than the lower surface of the fixed seat plate 9;The front end surface of the fixed seat plate 9 matches the side wall of the rear side of the front guide plate 22, and the rear end surface of the fixed seat plate 9 matches the side wall of the front side of the rear guide plate 23.

[0020] The upper end outer wall of the buffer cylinder 12 is provided with a fixed part 24 matching the upper surface of the fixed seat plate 9;The fixed part 24 and the fixed seat plate 9 are fixed by a plurality of fixed screws 27.

[0021] The front side wall of the push plate 7 is provided with an auxiliary pad 25, and the auxiliary pad 25 is made of rubber.

[0022] The use method of the utility model is as follows:

[0023] When the machine tool finishes machining the workpiece, the truss manipulator 2 will clamp the workpiece from the tooling of the machine tool, and then move the workpiece to the upper side of the magazine, and the truss manipulator 2 can move the workpiece to the magazine 4 through the blanking opening 5, when the workpiece is at the dropping point, the truss manipulator 2 will release the workpiece, at this time, the workpiece naturally drops to the lower side inner wall of the magazine 4, and is at the front side of the push plate 7, when the truss manipulator 2 resets and clamps a new workpiece, the cylinder 6 starts, and the piston rod of the cylinder 6 will drive the push plate 7 to move forward, when the push plate 7 moves forward, the push plate 7 will push the workpiece at the front side of the push plate 7 forward, so that the workpiece is away from the blanking point, even if the new workpiece falls at the original blanking point again, the two workpieces will not collide, so that the situation that the workpiece in the magazine 4 and the newly blanked workpiece are damaged due to the impact force of falling is effectively avoided, and the workpiece quality is effectively ensured.

[0024] At the same time, the limiting structure can not only effectively limit the position of the magazine 4, but also effectively buffer the impact force generated when the workpiece drops to the magazine 4, further avoiding the damage of the workpiece when dropping, when the workpiece drops to the lower side inner wall of the magazine 4, under the action of the gravity and impact force of the workpiece, the magazine 4 will be pressed and move downward, at this time, the magazine 4 drives the top block to move downward synchronously through the jack rod 14, when the top block 15 moves downward, the top block 15 extrudes the buffer block 16 downward, at this time, the buffer block 16 is deformed and generates elastic force, the elastic force can effectively buffer the impact force, and when the buffer block 16 is deformed by being pressed, the actual volume of the air groove 17 becomes smaller, and the air pressure in the air groove 17 rises, the air pressure can cooperate with the elastic force of the buffer block 16 to effectively buffer the impact force, and the buffering effect is maximized.

[0025] When the magazine 4 moves up and down, the guide rod 18 plays a guiding role through the sliding of the guide rod 18 in the guide hole 10, ensuring the stability of the magazine 4 when moving up and down, and the existence of the limiting nut 19 can effectively adjust the distance between the fixed base plate 9 and the magazine 4, so as to adjust the initial extrusion state of the buffer block 16 by the top block 15, effectively adjust the initial elastic force of the buffer block 16 through the extrusion state of the buffer block 16, and effectively control the buffering effect of the buffer block 16.

[0026] The limiting plate 21 and the magazine 4, and the fixed head 20 and the magazine 4 are fixed through a plurality of fastening screws, and this fixing mode is convenient for dismounting the limiting plate 21 and the magazine 4, and the fixed head 20 and the magazine 4.

[0027] The front end of the material box 4 is provided with a front guide plate 22, the rear side of the lower surface of the material box 4 is provided with a rear guide plate 23 opposite to the front guide plate 22, the lower end surface of the front guide plate 22 and the lower end surface of the rear guide plate 23 are lower than the lower surface of the fixed seat plate 9, the front end surface of the fixed seat plate 9 is in close contact with the side wall of the rear side of the front guide plate 22, the rear end surface of the fixed seat plate 9 is in close contact with the side wall of the front side of the rear guide plate 23, the existence of the front guide plate 22 and the rear guide plate 23 can play an auxiliary guiding effect when the material box 4 moves up and down, and further ensure the stability when the material box 4 moves up and down.

[0028] The outer wall of the upper end of the buffer cylinder 12 is provided with a fixed part 24 in close contact with the upper surface of the fixed seat plate 9, and the fixed part 24 and the fixed seat plate 9 are fixed by a plurality of fixed screws. This fixing mode is convenient for disassembling and assembling the buffer cylinder 12, thereby facilitating the replacement of the buffer cylinder 12.

[0029] The front side wall of the push plate 7 is provided with an auxiliary pad 25 made of rubber. When the push plate 7 pushes the workpiece forward, the auxiliary pad 25 can replace the push plate 7 to directly contact the workpiece, thereby playing a wear-preventing effect.

Claims

1. A pneumatic pushing device, comprising a machine tool, a truss manipulator arranged above the machine tool, and a fixed frame arranged at one side of the machine tool, characterized in that: The fixed frame is provided with a material box on one side; the upper surface of the material box is provided with a material dropping hole penetrating the internal space thereof; the rear part of the lower inner wall of the material box is provided with a cylinder; the front end of the piston rod of the cylinder is provided with a push plate; the lower surface of the fixed frame is provided with a plurality of support arms uniformly distributed from front to back, and the right part of the support arm is located on the right side of the fixed frame; the right part of the support arm is fixed with the material box through a limiting structure.

2. A pneumatic pusher device according to claim 1, characterized in that The limiting structure comprises a fixed seat plate provided on the upper surface of the right part of the support arm; the fixed seat plate is provided with a plurality of guide holes uniformly distributed from front to back; the lower surface of the material box is provided with a guide structure matched with the guide holes, and the guide structure can move the material box up and down along the track of the guide hole; the fixed seat plate is provided with a plurality of uniformly distributed clamping holes; the clamping hole is provided with a buffer cylinder matched therewith; the upper surface of the buffer cylinder is provided with a cylinder opening penetrating the internal space thereof; the lower surface of the material box is provided with a plurality of top rods coaxial with the buffer cylinder; the lower end of the top rod is provided with a top block matched with the buffer cylinder; a buffer block is arranged between the lower surface of the top block and the lower inner wall of the buffer cylinder, and the buffer block is made of rubber; the lower surface of the buffer block is provided with a gas groove which is narrow at the top and wide at the bottom.

3. A pneumatic pusher device according to claim 2, characterized in that: The guide structure comprises a guide rod, the lower end of the guide rod penetrates the corresponding guide hole downward and is screwed with a limiting nut matched with the lower surface of the fixed seat plate; the upper end of the guide rod is provided with a fixed head matched with the lower surface of the material box; the upper end of the top rod is provided with a limiting plate matched with the lower surface of the material box; the limiting plate and the material box, and the fixed head and the material box are fixed through a plurality of fastening screws.

4. A pneumatic pusher device according to claim 2, characterized in that: The front end of the material box is provided with a front guide plate; the rear side of the lower surface of the material box is provided with a rear guide plate opposite to the front guide plate; the lower end surfaces of the front guide plate and the rear guide plate are lower than the lower surface of the fixed seat plate; the front end surface of the fixed seat plate is matched with the rear side wall of the front guide plate, and the rear end surface of the fixed seat plate is matched with the front side wall of the rear guide plate.

5. A pneumatic pusher device according to claim 2, characterized in that: The upper end of the outer wall of the buffer cylinder is provided with a fixed part matched with the upper surface of the fixed seat plate; the fixed part and the fixed seat plate are fixed through a plurality of fixed screws.

6. A pneumatic pusher device according to claim 1, characterized in that: The front side wall of the push plate is provided with an auxiliary pad made of rubber.