Double-station hole punching mechanism

Abstract

The utility model discloses a double-station hole punching mechanism. The double-station hole punching mechanism comprises a base, a sliding rail assembly, a lower module and an upper module. The sliding rail assemblies are arranged on the left and right sides of the upper surface of the base. Two lower modules are arranged between the sliding rail assemblies on the two sides. The lower die set comprises a lower die base and a lower die fixed to the lower die base, and a material hole is formed in the lower die. The upper die set is driven by the sliding rail assembly and horizontally reciprocates above the two lower die sets. The upper module comprises an air cylinder seat, an air cylinder arranged on the air cylinder seat, an upper die seat connected with an air cylinder rod of the air cylinder and an upper die fixed on the upper die seat, a stamping head is arranged on the upper die, and when the upper module moves to the position over one lower module, the upper die of the upper module conducts stamping on the lower die of the lower module. According to the double-station hole punching mechanism, punching operation can be carried out on two different stations alternately and circularly, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stamping, and in particular relates to a double-station hole stamping mechanism. Background Art

[0002] Chinese Patent: Multi-hole Rapid Stamping Die ZL201921639019.5 relates to a multi-hole stamping die. Multiple punches extending downward side by side are detachably mounted on the bottom surface of a movable template via threaded connections. The lower template is provided with lower die holes corresponding to the punches. During punching production, the number of punches mounted on the bottom surface of the movable template and their specific arrangement can be reasonably selected based on the number of holes to be punched, effectively expanding the range of applications for punching holes in sheet metal.

[0003] The above patent reduces the time for replacing the punch and improves work efficiency. If the stamping station can be increased at the same time, the work efficiency can be further improved. Utility Model Content

[0004] The purpose of the utility model is to provide a double-station hole punching mechanism, which can realize the punching operation at two different stations in an alternating cycle, thereby effectively improving the working efficiency.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present invention is to design a double-station hole stamping mechanism, including a base, a slide rail assembly, a lower module and an upper module; the slide rail assembly is arranged on the left and right sides of the upper surface of the base; two lower modules are arranged between the slide rail assemblies on both sides; the lower module includes a lower module base and a lower module fixed on the lower module base, and the lower module is provided with a material hole; the upper module is driven by the slide rail assembly and moves horizontally back and forth above the two lower modules; the upper module includes a cylinder base, a cylinder arranged on the cylinder base, an upper module base connected to the cylinder rod of the cylinder, and an upper module fixed on the upper module base, and a punching head is provided on the upper module. When the upper module moves to directly above a lower module, the upper module of the upper module punches the lower module of the lower module.

[0006] Furthermore, the slide rail assembly includes a slide rail, a screw rod and a screw motor; a slide rail is provided on each side of the upper part of the base, a screw rod is provided inside the slide rail, a screw rod of a slide rail is connected to the rotating shaft of the screw motor, and the screw motor is placed on the base.

[0007] Furthermore, the lower die is fixed to the lower die base by bolts, and a chip guiding slope is provided in the lower die base and is located directly below the material hole of the lower die.

[0008] Furthermore, the upper die is fixed to the upper die base by bolts; and a plurality of punching heads are fixed to the upper die by bolt connection.

[0009] Furthermore, a plurality of vertically downward guide posts are provided on the lower surface of the cylinder seat, a guide hole is provided on the upper die seat, the guide posts pass through the guide holes, and a limiting structure is provided at the lower end of the guide post.

[0010] Furthermore, the cylinder base and the lower die base are provided with opposing positioning sensors.

[0011] Furthermore, a debris storage box is provided on the base, the debris storage box is located below the lower mold base, the debris storage box can be horizontally pulled out from the base, and a handle is provided at the end of the debris storage box.

[0012] Furthermore, the base and the debris storage box are respectively provided with a first avoidance groove and a second avoidance groove. When the debris storage box is installed on the base, the first avoidance groove and the second avoidance groove are connected, and the first avoidance groove and the second avoidance groove are located exactly between the two lower modules.

[0013] The advantages and beneficial effects of the utility model are:

[0014] 1) The double-station hole punching mechanism can realize the punching operation at two different stations in an alternating cycle, effectively improving the work efficiency.

[0015] 2) Positioning is performed through positioning sensors to ensure the accuracy of double-station hole punching.

[0016] 3) By adjusting the traction rate of the traction mechanism of the metal coil and the rotation rate of the screw motor, the efficient operation of the double-station punching operation can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 This is an exploded view of the present invention.

[0019] Figure 3 Schematic diagram of the upper module structure.

[0020] Figure 4 It is a front-end schematic diagram of the present utility model.

[0021] Among them, the base 1, the slide rail 2, the screw 3, the screw motor 4, the lower die base 5, the lower die 6, the chip guide slope 7, the cylinder base 8, the cylinder base slide 9, the cylinder 10, the upper die base 11, the guide column 12, the upper die 13, the punch head 14, the positioning sensor 15, the debris storage box 16, the handle 17, the first avoidance groove 18, and the second avoidance groove 19. DETAILED DESCRIPTION

[0022] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention. Example

[0023] A double-station hole punching mechanism includes a base 1, a slide rail assembly, a lower module and an upper module; the slide rail assembly includes a slide rail 2, a screw rod 3 and a screw motor 4; a slide rail 2 is provided on each side of the upper part of the base 1, and a screw rod 3 is provided inside the slide rail 2. The screw rod 3 of one slide rail is connected to the rotating shaft of the screw motor 4, and the screw motor 4 is placed on the base 1.

[0024] Two lower modules are arranged between the two slide rails 2; the lower module includes a lower module base 5 and a lower module 6. The lower module 6 is provided with a plurality of material holes. The lower module 6 is fixed to the lower module base 5 by bolts. The lower module base 5 is provided with a chip guiding slope 7, which is located directly below the material holes of the lower module 6.

[0025] The upper module includes a cylinder seat 8, a cylinder seat slide 9, a cylinder 10, an upper die seat 11, an upper die 13, and a punching head 14; the cylinder seat 8 is arranged parallel to the base 1, and the two ends of the cylinder seat 8 are connected to the cylinder slide 9, and the cylinder slide 9 is driven by the screw 3; the cylinder 10 is fixed on the cylinder seat 8, the cylinder rod of the cylinder 10 faces downward, and is connected to the upper die seat 11, and the upper die 13 is fixed to the upper die seat 11 by bolts; a number of punching heads 14 are fixed to the upper die 13 by bolt connection; a number of vertically downward guide columns 12 are provided on the lower surface of the cylinder seat 8, and a guide hole is provided on the upper die seat 11, and the guide column 12 passes through the guide hole, and a limiting structure is provided at the lower end of the guide column 12.

[0026] The cylinder base 8 and the lower die base 5 are provided with opposing positioning sensors 15 .

[0027] A debris storage box 16 is provided on the base 1 , and the debris storage box 16 is located below the lower mold base 5 . The debris storage box 16 can be horizontally pulled out from the base 1 , and a handle 17 is provided at the end of the debris storage box 16 .

[0028] A first avoidance groove 18 and a second avoidance groove 19 are respectively provided on the base 1 and the debris storage box 16. When the debris storage box 16 is installed on the base 1, the first avoidance groove 18 and the second avoidance groove 19 are connected, and the first avoidance groove 18 and the second avoidance groove 19 are located exactly between the two lower modules.

[0029] Method of use: prepare two sets of metal coils, the front ends of the two sets of metal coils are pulled by different traction mechanisms, the metal coils are placed at the front and rear ends of the base 1, and the two sets of metal coils are along Figure 1Move in the direction of arrow A, first pass through the upper surface of the two lower molds 6, and then vertically pass through the first avoidance groove 18 and the second avoidance groove 19 ; The cylinder seat slide 9 is driven by the screw rod 3 to move the cylinder seat 8 to the top of a lower die. At this time, the positioning sensor 15 ensures that the upper die 13 is located above the lower die 6. The cylinder 10 drives the upper die 13 to move downward, and the punching head 14 punches the metal coil. The debris on the metal coil falls through the material hole onto the chip guide slope 7 and then slides into the debris storage box 16; after completing the stamping on the lower die, the cylinder seat 8 is driven by the screw rod 3 to move to the top of another lower die, and the above process is repeated to perform punching; by adjusting the speed of pulling the two metal coils and coordinating the time rhythm of the cylinder seat 8 above the two lower dies, the above process is continuously circulated to ensure that after completing the stamping on the first lower die station, when the cylinder seat 8 moves to the other lower die station, the metal coil here is just pulled to the appropriate punching position.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A double-station hole punching mechanism, characterized in that: It includes a base, a slide rail assembly, a lower module and an upper module; the slide rail assembly is arranged on the left and right sides of the upper surface of the base; two lower modules are arranged between the slide rail assemblies on both sides; the lower module includes a lower module base and a lower module fixed on the lower module base, and the lower module is provided with a material hole; the upper module is driven by the slide rail assembly and moves horizontally back and forth above the two lower modules; the upper module includes a cylinder base, a cylinder arranged on the cylinder base, an upper module base connected to the cylinder rod of the cylinder, and an upper module fixed on the upper module base, and a punching head is provided on the upper module. When the upper module moves to be directly above a lower module, the upper module of the upper module punches the lower module of the lower module.

2. A double-station hole punching mechanism according to claim 1, characterized in that: The slide rail assembly includes a slide rail, a screw rod and a screw motor; a slide rail is provided on each side of the upper part of the base, a screw rod is provided inside the slide rail, a screw rod of a slide rail is connected to the rotating shaft of the screw motor, and the screw motor is placed on the base.

3. The double-station hole punching mechanism according to claim 1, characterized in that: The lower die is fixed on the lower die base by bolts. The lower die base is provided with a chip guiding slope which is located just below the material hole of the lower die.

4. A double-station hole punching mechanism according to claim 1, characterized in that: The upper die is fixed on the upper die base by means of bolts; and a plurality of punching heads are fixed on the upper die by means of bolt connection.

5. The double-station hole punching mechanism according to claim 1, characterized in that: The lower surface of the cylinder seat is provided with a plurality of vertically downward guide columns, the upper die seat is provided with guide holes, the guide columns pass through the guide holes, and the lower ends of the guide columns are provided with limiting structures.

6. The double-station hole punching mechanism according to claim 1, characterized in that: The cylinder seat and the lower die seat are provided with opposing positioning sensors.

7. The double-station hole punching mechanism according to claim 1, characterized in that: The base is provided with a debris storage box, which is located below the lower die base. The debris storage box can be horizontally drawn out from the base, and a handle is provided at the end of the debris storage box.

8. The double-station hole punching mechanism according to claim 7, characterized in that: The base and the debris storage box are respectively provided with a first avoidance groove and a second avoidance groove. When the debris storage box is installed on the base, the first avoidance groove and the second avoidance groove are connected, and the first avoidance groove and the second avoidance groove are located exactly between the two lower modules.

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