Cover plate mechanism capable of being opened and closed for metal round bar feeding machine

Abstract

The utility model discloses an openable and closable cover plate mechanism for a metal round bar feeder in the technical field of metal round bar processing, which comprises a cover plate arranged above a bearing platform, and the cover plate is mounted on a cylinder; an upper groove and a lower groove are respectively formed in the lower end of the cover plate and the upper end of the bearing platform; the cover plate can be driven by the air cylinder to rise upwards so that the metal round bars can fall towards the bearing platform. The cover plate can be driven by the air cylinder to fall downwards, and the upper groove and the lower groove are closed, so that the movable space of the metal round bar is reduced, and the spatial position and shape of the metal round bar are maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of metal round bar processing, in particular to an openable and closable cover plate mechanism for a metal round bar feeder. Background Art

[0002] Automatic feeder automatically delivers metal round bars to machine tools for processing. Existing automatic feeders generally put metal round bars on the supporting platform first, and then use the feeding mechanism to push the metal round bars to the machine tools.

[0003] In order to ensure that the metal round bars placed each time can be stably placed in the same position on the supporting platform and facilitate processing, the supporting surface of the supporting platform is generally set to a V-shaped surface.

[0004] However, when the feeding mechanism pushes the metal round bar, since the metal round bar is thin, it is easy for the metal round bar to deviate or bulge and bend under the action of the thrust. Utility Model Content

[0005] The utility model aims to provide an openable and closable cover plate mechanism for a metal round bar feeder, so as to solve the technical problem in the prior art that when the feeding mechanism pushes the metal round bar, the metal round bar is easily deviated or bulges and bends under the action of thrust because the metal round bar is relatively thin.

[0006] In order to solve the above technical problems, the utility model specifically provides an openable and closable cover plate mechanism for a metal round bar feeder, comprising a cover plate arranged above the supporting platform, and the cover plate is mounted on a cylinder;

[0007] An upper groove and a lower groove are respectively provided at the lower end of the cover plate and the upper end of the supporting platform;

[0008] The cover plate can be lifted up under the drive of the cylinder to facilitate the metal round bar to fall onto the supporting platform;

[0009] The cover plate can drop downward under the drive of the cylinder, and the upper groove and the lower groove are closed to reduce the movable space of the metal round bar and maintain the spatial position and shape of the metal round bar.

[0010] As an optimization solution of the utility model, when the upper groove and the lower groove are closed, the shape is circular.

[0011] As an optimization solution of the present invention, the lower portion of the cover plate is configured to fit in a V-shape with the upper surface of the supporting platform.

[0012] As an optimization solution of the utility model, a plurality of cover plates are arranged above the supporting platform.

[0013] As an optimization solution of the utility model, the upper end of the cover plate is fixedly installed on one end of the lifting plate group, the other end of the lifting plate group is slidably connected to the vertical frame, and the piston rod of the cylinder is fixedly connected to the lifting plate group to drive the lifting plate group to slide up and down along the vertical frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides a cover plate above the supporting platform, so that the activity space of the metal round bars can be restricted when the metal round bars are fed, thereby preventing the metal round bars from running off the track and bulging and bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] Figure 1 It is a structural schematic diagram of the first perspective of the material unloading device and the material receiving device in the embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the feeding device and the feeding device from a second viewing angle in the embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the feeding device and the feeding device from the third perspective in the embodiment of the utility model;

[0020] Figure 4 for Figure 2 A partial enlarged schematic diagram of

[0021] Figure 5 for Figure 3 A partial enlarged schematic diagram of

[0022] Figure 6 It is a cross-sectional schematic diagram of a special-shaped rotating shaft in an embodiment of the utility model;

[0023] Figure 7 This is a structural schematic diagram of the material clamping mechanism in the embodiment of the utility model;

[0024] Figure 8 This is a schematic structural diagram of the first clamping block in the embodiment of the utility model;

[0025] Fig. 9 This is a schematic diagram of the structure of the second clamping block in the embodiment of the utility model;

[0026] Fig.10 It is a schematic structural diagram of the cover plate and the feeding rod in the embodiment of the utility model.

[0027] The numbers in the figure represent the following:

[0028] 1-Supporting platform;

[0029] 2-feeding device, 201-fixed tooth plate, 202-movable tooth plate, 203-special-shaped rotating shaft, 204-round shaft, 205-cam shaft, 206-ramp;

[0030] 3-material receiving device, 301-shaft rod, 302-cylinder, 303-material receiving piece, 304-material guiding slope, 305-connecting block, 306-supporting plate.

[0031] 4-Feeding mechanism;

[0032] 5- material clamping mechanism, 501- first material clamping block, 502- second material clamping block, 503- first short V-shaped groove, 504- long V-shaped groove, 505- material clamping plane, 506- V-shaped block, 507- second short V-shaped groove;

[0033] 6-cover plate, 601-upper groove, 602-lower groove, 603-lifting plate group, 604-stand. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] The utility model specifically provides a metal round bar feeder, comprising:

[0036] The supporting platform 1 is used to support the metal round bar, and the supporting surface of the supporting platform 1 is set to be V-shaped, which can maintain the metal round bar at the center position of the supporting platform 1;

[0037] A material discharge device 2, the installation position of which is higher than the supporting platform 1, and is used to discharge metal round bars one by one onto the supporting platform 1;

[0038] The material receiving device 3 can be turned over and overlapped between the center of the supporting platform 1 and the discharge end of the material discharging device 2, so that the metal round bar dropped by the material discharging device 2 can directly fall to the center of the supporting platform 1;

[0039] The support plate 306 is coaxially installed with the material receiving device 3, and an angle is set between the support plate 306 and the material receiving device 3, so that when the material receiving device 3 turns over to receive the material, the support plate 306 can turn over and over to discard the tail of the previous metal round bar;

[0040] The clamping mechanism 5 is used to clamp the metal round bar on the supporting platform 1;

[0041] The feeding mechanism 4 is used to push the metal round bar on the supporting platform to the processing machine tool;

[0042] The material clamping mechanism 5 is disposed at the end of the supporting platform 1 .

[0043] It should be noted that the diameter of the metal round rod in the present invention is generally 0.5-12 mm.

[0044] The working process of the above-mentioned metal feeder is as follows:

[0045] The metal round bars are delivered to the supporting platform 1 using the unloading device 2. Prior to this, the material receiving device 3 is flipped to between the center of the supporting platform 1 and the discharge end of the unloading device 2, so that the metal round bars delivered by the unloading device 2 can fall directly along the material receiving device 3 to the center position of the V-shaped supporting platform 1, so as to avoid the metal round bars being stuck by the oil stains on the surface of the supporting platform 1, resulting in the metal round bars being unable to roll down to the work station in the center of the supporting platform 1.

[0046] When the metal round bars are put onto the supporting platform 1, the feeding rod is suspended by the hanging device to avoid interference with the metal round bars.

[0047] After the metal round bar falls onto the supporting platform 1 , the material receiving device 3 flips away from the supporting platform 1 to avoid interference with the feeding mechanism 4 that pushes the metal round bar to move.

[0048] When the material receiving device 3 is flipped away from the supporting platform 1 , the supporting plate 306 coaxially installed therewith is flipped to be aligned parallel to the supporting platform 1 , and the supporting plate 306 and the supporting platform 1 jointly support the metal round bar.

[0049] Then the feeding mechanism 4 pushes the metal round bar for the first time, initially pushing the metal round bar toward the processing machine tool, and then the feeding mechanism 4 is reset.

[0050] Then the feeding rod is lowered so that the front end of the feeding rod is located on the rear side of the rear end of the metal round bar; the clamping mechanism 5 is used to clamp the metal round bar on the supporting platform 1, and then the feeding mechanism 4 pushes the feeding rod so that the end of the metal round bar enters the feeding rod, so that the metal round bar can be pushed for the second time through the feeding rod.

[0051] It should be noted that the reason why the feeding rod is pushed forward after the clamping mechanism 5 clamps the metal round bar, that is, the metal round bar is first inserted into the feeding rod and then the clamping mechanism 5 is released, is because after the clamping mechanism 5 releases the metal round bar first, the metal round bar cannot be inserted into the feeding rod.

[0052] After processing a metal round bar, the clamping mechanism 5 clamps the tail of the metal round bar again, the pushing device 4 retracts, and the metal round bar tail in the feeding rod is pulled out, and then the clamping mechanism 5 releases the metal round bar tail, so that the metal round bar tail naturally falls into the chassis (before the material is transferred, the supporting plate 306 has been flipped to a vertical position, and the tail cannot fall on the supporting plate 306, but falls directly. It only plays the role of supporting when working, and does not need to support when transferring. If the material is supported when transferring, when it is flipped to a vertical position again, the tail will stick to 306 and may not fall).

[0053] After a round metal bar is processed, the material receiving device 3 is rotated and overlapped between the center of the supporting platform 1 and the discharge end of the material discharging device 2 , so that the round metal bar dropped by the material discharging device 2 can directly fall to the center of the supporting platform 1 .

[0054] When the material receiving device 3 turns over to receive the material, the supporting plate 306 also turns over synchronously. The supporting plate 306 turns downward so that its supporting surface tilts downward, and the metal round bar tailings thereon are discarded to avoid obstruction of new metal round bars.

[0055] After the processing of one metal round bar is completed, the unloading device 2 and the receiving device 3 cooperate again to drop the next metal round bar onto the supporting platform 1 .

[0056] Furthermore, the unloading device 2 comprises a fixed tooth plate 201 and a movable tooth plate 202 arranged in parallel, and a plurality of teeth for temporarily storing metal round bars are evenly spaced at the upper ends of the fixed tooth plate 201 and the movable tooth plate 202;

[0057] The fixed tooth plate 201 and the movable tooth plate 202 are connected at both sides by a special-shaped rotating shaft 203. The connecting section between the special-shaped rotating shaft 203 and the fixed tooth plate 201 is a circular shaft 204, and the connecting section between the special-shaped rotating shaft 203 and the movable tooth plate 202 is a cam shaft 205.

[0058] When the special-shaped rotating shaft 203 rotates, it can drive the movable tooth plate 202 to move stepwise relative to the fixed tooth plate 201 to transport the metal round bars temporarily stored in the teeth to the supporting platform 1. Every time the special-shaped rotating shaft 203 rotates one circle, the movable tooth plate 202 transports all the metal round bars a tooth distance.

[0059] Specifically, when the special-shaped rotating shaft 203 rotates, the fixed tooth plate 201 does not move, and the camshaft 205 drives the movable tooth plate 202 to lift the metal round bar in the fixed tooth plate 201 upward. As the camshaft 205 continues to rotate, it drives the movable tooth plate 202 to move downward and forward at the same time, and then places the metal round bar on the fixed tooth plate 201. At this time, the metal round bar moves forward by a tooth distance relative to the fixed tooth plate 201. That is, every time the special-shaped rotating shaft 203 rotates one circle, the movable tooth plate 202 transports all the metal round bars by a tooth distance.

[0060] Furthermore, the discharging ends of the movable tooth plate 202 and the fixed tooth plate 201 are both provided with a downwardly inclined slope 206 to ensure that the metal round bars can roll down smoothly.

[0061] When the movable tooth plate 202 conveys the metal round bar forward, the metal round bar at the front end of the fixed tooth plate 201 will be conveyed to the slope 206, so that the metal round bar at the front end rolls toward the supporting platform 1 under the action of gravity.

[0062] Furthermore, the material receiving device 3 includes a shaft 301, a cylinder 302 and a material receiving piece 303;

[0063] A material guide slope 304 is provided on one side of the material receiving piece 303, and the material receiving piece 303 is fixedly mounted on the shaft 301;

[0064] The head end of the cylinder 302 is connected to the shaft 301 through the connecting block 305, the connecting block 305 is rotatably connected to the head end of the cylinder 302, the connecting block 305 is fixedly connected to the shaft 301, and the tail end of the cylinder 302 is rotatably mounted on the frame;

[0065] The shaft rod 301 can be rotated by telescoping the cylinder 302, thereby controlling the flipping of the receiving sheet 303, as follows:

[0066] When the cylinder 302 is in the retracted state, the material guide slope 304 of the material receiving piece 303 is located between the center of the supporting platform 1 and the material discharge end of the material discharge device 2, and the material guide slope 304 is flush with the slope 206;

[0067] When the cylinder 302 is in the extended state, the material receiving piece 303 is away from the supporting platform 1 , so that the feeding mechanism 4 can push the metal round rod located in the supporting platform 1 .

[0068] Furthermore, the connecting block 305 is also fixedly connected to the supporting plate, and the shape of the supporting plate 306 is the same as that of the supporting platform 1;

[0069] When the cylinder 302 is in the extended state, the support plate 306 is flush with the support platform 1 and is used to support the metal round bar;

[0070] When the cylinder 302 is in the retracted state, the support plate 306 tilts downward to discard the end of the metal round bar.

[0071] The feeding of metal round bars includes primary feeding and secondary feeding. The primary feeding is to directly push the metal round bars along the supporting platform to the machine tool equipment through the feeding mechanism. The secondary feeding is to push the feeding rod through the feeding mechanism to push the metal round bars. When the metal round bars are pushed through the feeding rod, the end of the metal round bars will be inserted into the cavity at the end of the feeding rod, which can prevent the metal round bars from falling off from the material clamp on the feeding rod during the processing and rotation process.

[0072] The purpose of primary feeding and secondary feeding is to reduce the length of the machine. If the feeding rod is not lifted up and moved back, it can avoid the metal round bar from being unloaded, but the machine will be particularly long.

[0073] During the secondary feeding, the metal round bar needs to be clamped and fixed by a clamping mechanism so that the end of the metal round bar can be inserted into the pushed feeding rod; and after a metal round bar is processed, the tail of the metal round bar left in the feeding rod cannot be processed, so the clamping mechanism needs to be used to clamp and fix the tail of the metal round bar, and then the feeding rod moves in the opposite direction to make the tail of the metal round bar separate from the feeding rod;

[0074] The existing clamping mechanism generally uses two staggered V-shaped blocks to clamp the metal round bar, which will generate shear force on the metal round bar during clamping, and it is easy to bend or break the thin metal round bar.

[0075] In order to solve the above problems, the clamping mechanism 5 of the present invention is provided with a thick metal round bar clamping part and a thin metal round bar clamping part, and the thin metal round bar clamping part is fixedly arranged at the center position of the thick metal round bar clamping part;

[0076] The thin metal round bar clamping part is used to clamp the thin metal round bar, and the part thereof is a continuous clamping surface, so as to reduce the probability of the thin metal round bar being clamped and / or bent;

[0077] The thick metal round bar clamping part is used for clamping the thick metal round bar, and the part thereof is a staggered V-shaped surface, so as to be used for clamping the thick metal round bars with different diameters.

[0078] The working principle of the clamping mechanism 5 is as follows:

[0079] The thick metal round bar clamping part and the thin metal round bar clamping part are integrally arranged. When clamping the thick metal round bar, the staggered V-shaped surfaces of the thick metal round bar clamping part first contact the thick metal round bar, and the outer wall of the thick metal round bar is squeezed against the V-shaped surface to clamp the thick metal round bar. The setting of the V-shaped surface can be suitable for thick metal round bars of different diameters.

[0080] When clamping the thin metal round rod, since the metal round rod is thinner, the thick metal round rod clamping part will not clamp the thin metal round rod, but the thin metal round rod clamping part located at the center of the thick metal round rod clamping part will clamp the thin metal round rod. Since the part used to clamp the thin metal round rod is a continuous clamping surface, the thin metal round rod can be prevented from being broken or bent by the staggered V-shaped surfaces.

[0081] In summary, when clamping metal round bars, the clamping mechanism 5 can adaptively use the continuous clamping surface of the thin metal round bar clamping part to clamp the thin metal round bar, thereby preventing the thin metal round bar from being bent or broken by shear force; and use the staggered V-shaped surface of the thick metal round bar clamping part to clamp the thick metal round bar, thereby clamping thick metal round bars of different diameters.

[0082] Furthermore, the clamping mechanism 5 includes a first clamping block 501 and a second clamping block 502 which are arranged opposite to each other. The first clamping block 501 and the second clamping block 502 can slide close to each other to clamp the metal round bar.

[0083] The thick metal round bar clamping portion comprises a first short V-shaped groove 503 and a second short V-shaped groove 507 which are respectively arranged on the first clamping block 501 and the second clamping block 502 , and the first short V-shaped groove 503 and the second short V-shaped groove 507 are staggered.

[0084] When the clamping mechanism 5 is used to clamp the metal round bar, the two clamping blocks can slide close to each other under the drive of the cylinder or other power source to clamp the metal round bar located between the two clamping blocks.

[0085] When clamping the rough metal round bar, the first short V-grooves 503 and the second short V-grooves 507 staggered on the two clamping blocks approach each other until the outer wall of the rough metal round bar abuts against the groove surface of the short V-grooves. At this time, at least four points of the outer wall of the rough metal round bar are fixed, and the clamping of the rough metal round bar is completed.

[0086] Furthermore, a continuous long V-groove 504 is provided on the first clamping block 501 at a position corresponding to the center of the first short V-groove 503 , and the long V-groove 504 is parallel to the wall of the first short V-groove 503 , and a clamping plane 505 is provided on the second clamping block 502 at a position corresponding to the center of the second short V-groove 507 .

[0087] When clamping the thin metal round bar, the two clamping blocks are still close to each other. Due to the small diameter of the metal round bar, the first short V-groove 503 and the second short V-groove 507 used to fix the thick metal round bar cannot contact the thin metal round bar. As the two clamping blocks continue to approach, the thin metal round bar is finally fixed in the long V-groove 504 by the clamping plane 505. Both the long V-groove 504 and the clamping plane 505 are continuous clamping surfaces, and no shear force is generated on the thin metal round bar, thereby preventing the thin metal round bar from being bent or broken.

[0088] Furthermore, the center position of the second short V-shaped groove 507 is set to be a plane coplanar with the clamping plane 505 .

[0089] Alternatively, the clamping plane 505 may protrude from the center of the second short V-shaped groove 507 , as long as the clamping plane 505 can contact the thin metal round rod before the second short V-shaped groove 507 , and the second short V-shaped groove 507 can contact the thick metal round rod before the clamping plane 505 .

[0090] Furthermore, a V-shaped block 506 which can be interlocked with the first short V-shaped groove 503 is provided on the second clamping block 502 , and the clamping plane 505 is provided on the top of the V-shaped block 506 .

[0091] The above arrangement can ensure that the clamping plane 505 is not blocked by the first short V-shaped groove 503 when it approaches the long V-shaped groove 504 .

[0092] In the prior art, when the feeding mechanism 4 pushes the metal round bar, the metal round bar is prone to deviate or bulge and bend under the action of the thrust because the metal round bar is relatively thin.

[0093] In order to solve the above problems, the metal round bar feeder in the utility model further comprises a cover plate 6 arranged above the supporting platform 1, and the cover plate 6 is mounted on the cylinder;

[0094] An upper groove 601 and a lower groove 602 are respectively provided at the lower end of the cover plate 6 and the upper end of the supporting platform 1;

[0095] The cover plate 6 can be lifted up by the cylinder to facilitate the metal round bar to fall onto the supporting platform 1;

[0096] The cover plate 6 can drop downwards under the drive of the cylinder, and the upper groove 601 and the lower groove 602 are closed to reduce the movable space of the metal round bar and maintain the spatial position and shape of the metal round bar.

[0097] The use process of the openable and closable cover mechanism for the above-mentioned metal round bar feeder is as follows:

[0098] When the metal round bar is dropped onto the supporting platform 1 , the cylinder drives the cover plate 6 to move upward to prevent the cover plate 6 from interfering with the dropping of the metal round bar, so that the metal round bar can fall normally into the lower groove 602 of the supporting platform 1 .

[0099] After the metal round bar is placed, the cylinder drives the cover plate 6 to move downward, so that the upper groove 601 and the lower groove 602 are closed, the metal is constrained inside, the activity space of the metal round bar is reduced, and the deviation, bulging and bending of the metal round bar can be avoided.

[0100] Finally, the metal round bar is pushed through the feeding mechanism 4. When the feeding mechanism 4 approaches the cover plate 6, the cover plate 6 rises to allow the feeding mechanism 4 to pass normally.

[0101] A plurality of cover plates 6 are arranged on the supporting platform 1 and rise sequentially as the feeding mechanism 4 moves.

[0102] In summary, the utility model provides a cover plate 6 above the supporting platform 1, so as to restrict the movable space of the metal round bars when the metal round bars are fed, thereby preventing the metal round bars from deviating and bulging and bending.

[0103] Furthermore, when the upper groove 601 and the lower groove 602 are closed, the shape is circular, which better fits the shape of the metal round rod.

[0104] Furthermore, in order to prevent the contact surface of the cover plate 6 from being damaged when the cover plate 6 and the supporting platform 1 collide with each other, the lower portion of the cover plate 6 is configured to be able to fit in a V-shape with the upper surface of the supporting platform 1 .

[0105] Furthermore, a plurality of cover plates 6 are disposed above the supporting platform 1 .

[0106] Furthermore, the upper end of the cover plate 6 is fixedly mounted on one end of the lifting plate group 603, and the other end of the lifting plate group 603 is slidably connected to the vertical frame 604. The piston rod of the cylinder is fixedly connected to the lifting plate group 603 to drive the lifting plate group 603 to slide up and down along the vertical frame 604.

[0107] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. An openable and closable cover mechanism for a metal round bar feeder, characterized in that: It comprises a cover plate (6) arranged above the supporting platform (1), wherein the cover plate (6) is mounted on the cylinder; An upper groove (601) and a lower groove (602) are respectively provided at the lower end of the cover plate (6) and the upper end of the supporting platform (1); The cover plate (6) can be lifted up under the drive of the cylinder to facilitate the metal round bar to fall onto the supporting platform (1); The cover plate (6) can drop downward under the drive of the cylinder, and the upper groove (601) and the lower groove (602) are closed to reduce the movable space of the metal round bar and maintain the spatial position and shape of the metal round bar.

2. The openable and closable cover plate mechanism for a metal round bar feeder according to claim 1, characterized in that: When the upper groove (601) and the lower groove (602) are closed, the shape is circular.

3. The openable and closable cover plate mechanism for a metal round bar feeder according to claim 2, characterized in that: The lower part of the cover plate (6) is arranged to be able to fit in a V shape with the upper surface of the supporting platform (1).

4. The openable and closable cover plate mechanism for a metal round bar feeder according to claim 1, characterized in that: A plurality of cover plates (6) are arranged above the supporting platform (1).

5. The openable and closable cover plate mechanism for a metal round bar feeder according to claim 1, characterized in that: The upper end of the cover plate (6) is fixedly mounted on one end of the lifting plate group (603), and the other end of the lifting plate group (603) is slidably connected to the stand (604). The piston rod of the cylinder is fixedly connected to the lifting plate group (603) to drive the lifting plate group (603) to slide up and down along the stand (604).

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