CN216857931U - Workpiece punching and feeding mechanism - Google Patents
Workpiece punching and feeding mechanism Download PDFInfo
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- CN216857931U CN216857931U CN202123368839.5U CN202123368839U CN216857931U CN 216857931 U CN216857931 U CN 216857931U CN 202123368839 U CN202123368839 U CN 202123368839U CN 216857931 U CN216857931 U CN 216857931U
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Abstract
The utility model discloses a workpiece punching and feeding mechanism, which is used for conveying a workpiece into a die cavity and comprises: a frame; the material distributing structure is arranged on the rack and comprises a transverse sliding rail fixed on the rack, the transverse sliding rail is provided with a feeding groove extending along the transverse direction of the workpiece punching and feeding mechanism, a transferring space for accommodating a workpiece is formed in the feeding groove, the transferring space corresponds to the die cavity, a first limiting block and a second limiting block are arranged in the transferring space, and the second limiting block is positioned in front of the first limiting block and positioned on one side of the first limiting block along the longitudinal direction of the workpiece punching and feeding mechanism; the pushing structure is arranged on the rack and behind the material distributing structure, and comprises a push rod which is connected to the rack in a relatively movable manner and corresponds to the transfer space, and the front end of the push rod is provided with a pushing part which is used for being matched with the rear end of the workpiece. Through the structural design, the workpiece can be limited in the transverse direction and the longitudinal direction, so that the positioning precision is improved.
Description
Technical Field
The utility model relates to the technical field of processing of container accessories, in particular to a workpiece punching and feeding mechanism.
Background
In the process of punching the parts of the container, the parts are conveyed into a cavity of a die through a feeding mechanism and then punched. The existing feeding mechanism comprises a rack, a conveying rail and a push rod, wherein the conveying rail and the push rod are installed on the rack, the conveying rail is located between a mold and the push rod, the push rod is used for connecting a cylinder and aligning with a mold cavity, when accessories are punched, a plurality of accessories are sequentially placed on the conveying rail, the conveying rail sequentially conveys the accessories to positions corresponding to the mold cavity, and then the push rod moves forwards and pushes the accessories into the mold cavity to perform punching. However, since the parts are easily deflected (not in accordance with the normal position) during the conveying process, when the push rod pushes the parts into the cavity, the parts are easily misaligned with the cavity, i.e. the positioning accuracy of the conventional feeding mechanism is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a workpiece punching and feeding mechanism capable of improving positioning accuracy.
In order to achieve the purpose, the utility model adopts the following technical scheme:
work piece feeding mechanism that punches a hole for carry the work piece to the mould die cavity in, include:
a frame;
the material distributing structure is arranged on the rack and comprises a transverse sliding rail fixed on the rack, the transverse sliding rail is provided with a feeding groove extending along the transverse direction of the workpiece punching feeding mechanism, a transferring space for accommodating the workpiece is arranged in the feeding groove, the transferring space corresponds to the die cavity, a first limiting block used for blocking the rear end of the workpiece and a second limiting block used for blocking the outer side wall of the workpiece are arranged in the transferring space, and the second limiting block is positioned in front of the first limiting block and positioned on one side of the first limiting block along the longitudinal direction of the workpiece punching feeding mechanism;
the pushing structure is arranged on the rack and behind the distributing structure, the pushing structure comprises a push rod which is connected to the rack in a relatively movable mode and corresponds to the transfer space, a pushing portion matched with the rear end of the workpiece is arranged at the front end of the push rod, and the push rod drives the pushing portion to move forwards and stretch into the transfer space to push the workpiece into the die cavity.
Furthermore, the first limiting block is provided with a first limiting plane which is used for contacting the end face of the rear end of the workpiece and extending along the transverse direction, the second limiting block is provided with a second limiting plane which is used for contacting the outer side wall of the workpiece and extending along the longitudinal direction, and an included angle is formed between the second limiting plane and the first limiting plane.
Furthermore, the first limiting block and the second limiting block are respectively fixed on two adjacent inner side walls of the feeding groove corresponding to the transfer space and located below the push rod, the first limiting plane is matched with the end face of the rear end of the workpiece in shape, and the second limiting plane is matched with the outer side wall of the workpiece in shape.
Furthermore, one end of the feeding groove close to the transfer space is provided with a positioning seat, the outer side wall of the positioning seat close to the transfer space is convexly provided with the second limiting block in a protruding mode, the second limiting block is provided with a limiting end used for contacting the outer side wall of the workpiece, and the limiting end extends into the transfer space.
Further, the pushing structure comprises a longitudinal slide rail which is fixed on the rack and corresponds to the transfer space, the longitudinal slide rail is located behind the transverse slide rail and extends along the longitudinal direction, the push rod is slidably connected to the longitudinal slide rail, and the end face of the pushing portion is matched with the end face of the rear end of the workpiece in shape.
Furthermore, the outer side wall of the transverse slide rail along the transverse direction is inwards provided with a material pushing groove which penetrates through the transfer space and corresponds to the mold cavity, and the material pushing groove extends to the outside of the transverse slide rail along the longitudinal direction and is in sliding fit with the push rod.
Furthermore, the distributing structure comprises a sliding block connected in the feeding groove in a relatively sliding manner and a distributing block connected to the feeding end of the sliding block close to the transfer space, and the distributing block is used for placing the workpiece and is driven by the sliding block to move to the transfer space.
Furthermore, the material distributing structure comprises a first air cylinder connected with a connecting end of the sliding block far away from the transfer space and a second air cylinder located above the feeding groove and fixed on the sliding block, a swinging arm is connected to a push rod of the second air cylinder, the material distributing block is connected with the swinging arm and provided with a material distributing groove used for placing the workpiece, and when the material distributing block moves to the transfer space, the swinging arm drives the material distributing block to swing upwards to a position where the material distributing groove and the push rod are equal in height.
The conveying belt and the pushing structure respectively correspond to two ends of the feeding groove, and when the distributing block is reset, the swinging arm drives the distributing block to swing downwards to the same height position of the distributing groove and the conveying belt.
Furthermore, the material distributing structure has two groups, two groups of the material distributing structure are arranged side by side along the transverse direction, the material pushing structure has two groups, one group of the material pushing structure is arranged corresponding to the transfer space, the workpiece punching and feeding mechanism further comprises a third cylinder arranged on the rack, and the third cylinder is positioned between the two groups of the material pushing structure and is connected with the push rods of the two groups of the material pushing structure.
According to the workpiece punching and feeding mechanism, the first limiting block used for blocking the outer side of the rear end of the workpiece and the second limiting block used for blocking the outer side wall of the workpiece are arranged in the transfer space, so that the workpiece is limited by the first limiting block in the transverse direction and limited by the second limiting block in the longitudinal direction, the purpose of improving the positioning precision is achieved, and when the workpiece is conveyed to the transfer space, the workpiece can be prevented from deflecting. In the workpiece punching and feeding mechanism, the pushing part matched with the rear end of the workpiece is arranged at the front end of the push rod, so that the pushed part is limited in the transverse direction and the longitudinal direction in the process that the workpiece is pushed into the die cavity, the positioning precision is improved, the workpiece can be prevented from deflecting, and the position of the workpiece is aligned with the die cavity when the pushed part is pushed into the die cavity.
Drawings
FIG. 1 is a top view of a workpiece punching and feeding mechanism of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a diagram of the action process of FIG. 1;
FIG. 4 is an enlarged view of part B of FIG. 3;
FIG. 5 is a partial schematic view of the front view of FIG. 1;
fig. 6 is a diagram of the operation process of fig. 5.
Detailed Description
The utility model will be further described with reference to the following drawings and detailed description:
as shown in fig. 1 to 6, the present invention provides a workpiece punching and feeding mechanism, which is abutted to a punch press, and is used for conveying a workpiece 100 into a die cavity 6 of a punching die mounted on the punch press when the workpiece 100 is punched, in this embodiment, the workpiece punching and feeding mechanism defines a transverse direction X and a longitudinal direction Y perpendicular to the transverse direction X, and the workpiece 100 is a tab (fitting) on a container lock lever. The workpiece punching and feeding mechanism comprises a rack 1, a material distributing structure 2, a material pushing structure 3 and a conveying belt 4, wherein the material distributing structure 2, the material pushing structure 3 and the conveying belt 4 are all installed on the rack 1.
As shown in fig. 1 and 2, the material distributing structure 2 includes a horizontal sliding rail 21 fixed on the frame 1, the horizontal sliding rail 21 is located behind the stamping die and has a feeding groove 210 extending along the horizontal direction X, a transfer space 211 for accommodating the workpiece 100 is provided inside the feeding groove 210, the transfer space 211 corresponds to the die cavity 6, a first limiting block 212 for blocking the rear end of the workpiece 100 and a second limiting block 213 for blocking the outer side wall of the workpiece 100 are provided in the transfer space 211, and the second limiting block 213 is located in front of the first limiting block 212 and located on one side of the first limiting block 212 along the longitudinal direction Y. Specifically, one end of the feeding slot 210 close to the transfer space 211 is provided with a positioning seat 214, the outer side wall of the positioning seat 214 close to the transfer space 211 protrudes and protrudes with a second limiting block 213, the second limiting block 213 is provided with a limiting end 2130 for contacting the outer side wall of the workpiece 100, and the limiting end 2130 extends into the transfer space 211. Through setting up first stopper 212 and second stopper 213 at transfer space 211 to make work piece 100 spacing by first stopper 212 in horizontal direction X and spacing by second stopper 213 in lengthwise direction Y, reach the purpose that improves positioning accuracy, when work piece 100 is carried to transfer space 211, can prevent that work piece 100 from taking place to deflect.
As shown in fig. 1 and fig. 2, specifically, the first limiting block 212 has a first limiting plane 2121 for contacting an end surface of the rear end of the workpiece 100 and extending along the transverse direction X, the second limiting block 213 has a second limiting plane 2131 for contacting an outer side wall of the workpiece 100 and extending along the longitudinal direction Y, and the second limiting plane 2131 forms an included angle with the first limiting plane 2121. The first limiting block 212 and the second limiting block 213 are fixed to two adjacent inner side walls of the feeding chute 210 corresponding to the transfer space 211 and located below the push rod 31 by screws or bolts, respectively, so as to give way to the push rod 31, the first limiting plane 2121 is adapted to the shape of the end surface of the rear end of the workpiece 100, and the second limiting plane is adapted to the shape of the outer side wall of the workpiece 100. The first limiting plane 2121 and the second limiting plane 2131 are designed to limit the workpiece 100 in the transverse direction X and the longitudinal direction Y.
As shown in fig. 1 and fig. 2, a material pushing groove 215 penetrating through the transfer space 211 is formed inward on an outer side wall of the transverse slide rail 21 along the transverse direction X, the material pushing groove 215 corresponds to the mold cavity 6 and extends to the outside of the transverse slide rail 21 along the longitudinal direction Y to form a material pushing outlet and a material pushing inlet respectively in the front and rear directions, the material pushing inlet allows the push rod 31 to enter the transfer space 211 to push the workpiece 100, and the material pushing outlet allows the push rod 31 to extend out from the transfer space 211 to push the workpiece 100 out of the transfer space 211. As shown in fig. 1 and 5, in order to realize the automatic conveying of the workpieces 100, the material distributing structure 2 includes a sliding block 216 connected to the feeding chute 210 in a relatively sliding manner, and a material distributing block 22 connected to a feeding end (not numbered) of the sliding block 216 near the transfer space 211, wherein the material distributing block 22 is used for placing the workpieces 100 and moves to the transfer space 211 (as shown in fig. 6) under the driving of the sliding block 216.
As shown in fig. 5 and 6, the material distributing structure 2 further includes a first air cylinder 23 connected to a connecting end 2161 of the slider 216 far from the transfer space 211 and a second air cylinder 24 located above the feeding chute 210 and fixed on the slider 216, the first air cylinder 23 pushes the slider 216 to slide along the feeding chute 210 to drive the second air cylinder 24 to move along the feeding chute 210, the swing arm 25 is connected to a push rod 31 of the second air cylinder 24, the distributing block 22 is connected to the swing arm 25 and has a distributing chute 221 for placing the workpiece 100, the distributing chute 221 passes through the distributing block 22 from front to back and has an opening facing the transfer space 211, when the distributing block 22 moves to the transfer space 211, the swing arm 25 drives the distributing block 22 to swing upwards to a position where the distributing chute 221 and the push rod 31 are at the same height, and at this time, the push rod 31 enters the distributing chute 221 from the material inlet to push the workpiece 100 out from the material outlet. As shown in fig. 1, in order to improve the production efficiency, there are two groups of material distribution structures 2, the two groups of material distribution structures 2 are arranged side by side along the transverse direction X, there are two groups of material pushing structures 3, one group of material pushing structures 3 is arranged corresponding to one transfer space 211, the workpiece punching and feeding mechanism further includes a third cylinder 5 installed on the rack 1, and the third cylinder 5 is located between the two groups of material pushing structures 3 and connected to the push rods 31 of the two groups of material pushing structures 3. By providing the third cylinder 5, the push rod 31 can be driven to move in the forward and backward directions at the same time.
As shown in fig. 3 and 4, the pushing structure 3 is located behind the material separating structure 2, and includes a push rod 31 connected to the frame 1 in a relatively movable manner and corresponding to the transfer space 211, specifically, the push rod 31 is in sliding fit with the pushing slot 215, a pushing portion 311 for being matched with the rear end of the workpiece 100 is disposed at the front end of the push rod 31, and the push rod 31 drives the pushing portion 311 to move forward and extend into the transfer space 211 to push the workpiece 100 into the mold cavity 6. The pushing part 311 used for being matched with the rear end of the workpiece 100 is arranged at the front end of the push rod 31, so that the workpiece 100 is limited in the transverse direction X and the longitudinal direction Y by the pushing part 311 in the process of being pushed into the mold cavity 6, the positioning precision is improved, the workpiece can be prevented from deflecting, and the position of the workpiece 100 is ensured to be aligned with the mold cavity when being pushed into the mold cavity 6 by the pushing part 311. In this embodiment, the pushing structure 3 includes a longitudinal slide rail 310 fixed on the frame 1 and corresponding to the intermediate space 211, the longitudinal slide rail 310 is located behind the lateral slide rail 21 and extends along the longitudinal direction Y, the push rod 31 is slidably connected to the longitudinal slide rail 310, and the end surface of the pushing portion 311 is matched with the end surface of the rear end of the workpiece 100.
As shown in fig. 1 and 2, the conveyer belt 4 is located behind the distributing structure 2 and corresponds to two ends of the feeding slot 210 respectively with the pushing structure 3, the conveyer belt 4 is used for conveying the workpiece 100 to the distributing slot 221 of the distributing block 22 on the transverse slide rail 21, and when the distributing block 22 is reset, the swinging arm 25 drives the distributing block 22 to swing downwards to a position where the distributing slot 221 is as high as the conveyer belt 4.
When the workpieces 100 are punched, the workpieces 100 are sequentially placed on the conveyor belt 4, the conveyor belt 4 moves forward to drive the workpieces 100 to move to a position abutting against the distributing block 22, meanwhile, the second air cylinder 24 drives the distributing block 22 to move downward to a position where the distributing groove 221 is as high as the conveyor belt 4 through the swing arm 25 (as shown in fig. 5), at this time, the distributing block 22 does not protrude from the top surface of the feeding groove 210, the workpieces 100 are pushed forward into the distributing groove 221 by another workpiece 100 positioned behind the distributing block 22, the distributing block 22 is pushed toward the transfer space 211 along the feeding groove 210 by the first air cylinder 23 after picking up the workpieces 100, when the distributing block 22 is pushed to the transfer space 211, the first limiting block 212 and the second limiting block 213 adjust the workpieces 100 to normal positions in the transverse direction X and the longitudinal direction Y, and then the second air cylinder 24 drives the distributing block 22 to move upward to a position where the distributing groove 221 is as high as the push rod 31 (as shown in fig. 6), then, the push rod 31 is driven by the third cylinder 5 to move forward and slide into the material distribution groove 221 from the material pushing inlet, and then the workpiece 100 is pushed into the die cavity 6 from the material pushing outlet, at this time, the conveying of the workpiece 100 is completed.
According to the workpiece punching and feeding mechanism, the first limiting block used for blocking the outer side of the rear end of the workpiece and the second limiting block used for blocking the outer side wall of the workpiece are arranged in the transfer space, so that the workpiece is limited by the first limiting block in the transverse direction and limited by the second limiting block in the longitudinal direction, the purpose of improving the positioning precision is achieved, and when the workpiece is conveyed to the transfer space, the workpiece can be prevented from deflecting. In the workpiece punching and feeding mechanism, the pushing part matched with the rear end of the workpiece is arranged at the front end of the push rod, so that the pushed part is limited in the transverse direction and the longitudinal direction in the process of pushing the workpiece into the die cavity, the positioning precision is improved, the workpiece can be prevented from deflecting, and the position of the workpiece is aligned with the die cavity when the pushed part is pushed into the die cavity.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. Work piece feeding mechanism that punches a hole for carry the work piece to the mould die cavity in, its characterized in that includes:
a frame;
the material distributing structure is arranged on the rack and comprises a transverse sliding rail fixed on the rack, the transverse sliding rail is provided with a feeding groove extending along the transverse direction of the workpiece punching feeding mechanism, a transferring space for accommodating the workpiece is arranged in the feeding groove, the transferring space corresponds to the die cavity, a first limiting block used for blocking the rear end of the workpiece and a second limiting block used for blocking the outer side wall of the workpiece are arranged in the transferring space, and the second limiting block is positioned in front of the first limiting block and positioned on one side of the first limiting block along the longitudinal direction of the workpiece punching feeding mechanism;
the pushing structure is arranged on the rack and behind the distributing structure, the pushing structure comprises a push rod which is connected to the rack in a relatively movable mode and corresponds to the transfer space, a pushing portion matched with the rear end of the workpiece is arranged at the front end of the push rod, and the push rod drives the pushing portion to move forwards and stretch into the transfer space to push the workpiece into the die cavity.
2. A workpiece punching and feeding mechanism according to claim 1, wherein the first limiting block has a first limiting plane for contacting the end surface of the rear end of the workpiece and extending along the transverse direction, the second limiting block has a second limiting plane for contacting the outer side wall of the workpiece and extending along the longitudinal direction, and the second limiting plane forms an included angle with the first limiting plane.
3. A workpiece punching and feeding mechanism as claimed in claim 2, wherein the first limiting block and the second limiting block are respectively fixed on two adjacent inner side walls of the feeding groove corresponding to the transfer space and located below the push rod, the first limiting plane is matched with the end surface shape of the rear end of the workpiece, and the second limiting plane is matched with the outer side wall shape of the workpiece.
4. A workpiece punching and feeding mechanism as claimed in claim 1, wherein a positioning seat is provided at an end of the feeding chute close to the transferring space, the second limiting block protrudes from an outer side wall of the positioning seat close to the transferring space, the second limiting block has a limiting end for contacting the outer side wall of the workpiece, and the limiting end extends into the transferring space.
5. A workpiece punching and feeding mechanism according to claim 1, wherein the pushing structure comprises a longitudinal slide rail fixed on the frame and corresponding to the transfer space, the longitudinal slide rail is located behind the lateral slide rail and extends along the longitudinal direction, the push rod is slidably connected to the longitudinal slide rail, and the end surface of the pushing part is matched with the end surface of the rear end of the workpiece.
6. A workpiece punching and feeding mechanism as claimed in claim 1, wherein a material pushing groove corresponding to the mold cavity and passing through the transfer space is formed inwardly along an outer side wall of the cross slide rail in the transverse direction, and the material pushing groove extends to the outside of the cross slide rail in the longitudinal direction and is in sliding fit with the push rod.
7. The workpiece punching and feeding mechanism of claim 1, wherein the distributing structure comprises a sliding block connected in the feeding chute in a relatively sliding manner and a distributing block connected to a feeding end of the sliding block close to the transfer space, and the distributing block is used for placing the workpiece and moves to the transfer space under the driving of the sliding block.
8. A workpiece punching and feeding mechanism according to claim 7, wherein the distributing structure comprises a first air cylinder connected to a connecting end of the slider away from the transfer space and a second air cylinder located above the feeding chute and fixed on the slider, a swing arm is connected to a push rod of the second air cylinder, the distributing block is connected to the swing arm and has a distributing groove for placing the workpiece, and when the distributing block moves to the transfer space, the swing arm drives the distributing block to swing upwards to a position where the distributing groove is equal to the push rod.
9. A workpiece punching and feeding mechanism according to claim 8, comprising a conveyer belt for conveying the workpiece to the cross slide rail and located behind the material distributing structure, wherein the conveyer belt and the material pushing structure respectively correspond to two ends of the feeding chute, and when the material distributing block is reset, the swinging arm drives the material distributing block to swing downwards to a position where the material distributing chute is equal to the conveyer belt in height.
10. A workpiece punching and feeding mechanism according to claim 1, wherein there are two sets of said material-distributing structures, two sets of said material-distributing structures are arranged side by side along said transverse direction, and there are two sets of said material-pushing structures, one set of said material-pushing structures is arranged corresponding to one said transfer space, said workpiece punching and feeding mechanism further comprises a third cylinder mounted on said frame, said third cylinder is located between two sets of said material-pushing structures and connected to said push rods of two sets of said material-pushing structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123368839.5U CN216857931U (en) | 2021-12-29 | 2021-12-29 | Workpiece punching and feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123368839.5U CN216857931U (en) | 2021-12-29 | 2021-12-29 | Workpiece punching and feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216857931U true CN216857931U (en) | 2022-07-01 |
Family
ID=82148858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123368839.5U Active CN216857931U (en) | 2021-12-29 | 2021-12-29 | Workpiece punching and feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216857931U (en) |
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2021
- 2021-12-29 CN CN202123368839.5U patent/CN216857931U/en active Active
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