Automatic trimming and punching machine

Abstract

The utility model discloses an automatic trimming and punching machine which comprises a machine body, a cross beam is arranged at the rear end of the top of the machine body, punching mechanisms are arranged at the two ends of the cross beam respectively, workbenches are connected to the machine body in a left-right moving mode, receding grooves are formed in the tops of the two workbenches respectively, and a plurality of pairs of limiting mechanisms are further arranged at the tops of the two workbenches. The limiting mechanism comprises a first hydraulic cylinder fixed to the bottoms of the workbenches and a pressing block arranged on the tops of the workbenches, the portions, between the two workbenches and the cross beam, of the machine body are each provided with a cutting saw, the rear ends of the tops of the two workbenches are each provided with a pair of filler strips, and the two filler strips are located on the front side and the rear side of the receding groove correspondingly. The bag plastic part edge cutting and punching machine is simple in structure, edge cutting and punching of bag plastic parts can be completed at a time, in the operation process, operators are far away from cutting and punching tools, accidents are not prone to occurring, safety and reliability are achieved, the two workbenches work alternately, and machining efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to an automatic edge cutting and punching machine. Background Art

[0002] After the plastic parts of the luggage are hot-pressed and formed, edge cutting and punching are still required. In the prior art, these two processes are carried out separately, and both processes require operators to hold the plastic parts of the luggage for operation. The operation process is too close to the cutting or punching tool, resulting in low processing efficiency and high safety risks. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art, and provide an automatic edge cutting and punching machine that can complete the edge cutting and punching of plastic parts of luggage at one time and is safer and more reliable.

[0004] The technical solution of the utility model is: an automatic edge cutting and punching machine, including a machine body. A cross beam is provided at the rear end of the top of the machine body. A punching mechanism is provided at each end of the cross beam. A workbench is respectively connected to the machine body below the two punching mechanisms in a left-right moving manner;

[0005] Avoidance grooves corresponding to the punching mechanisms are respectively provided at the tops of the two workbenches. A plurality of pairs of limiting mechanisms are also provided at the tops of the two workbenches. The limiting mechanism includes a first hydraulic cylinder fixed to the bottom of the workbench and a pressing block provided at the top of the workbench. The piston rod of the first hydraulic cylinder passes through the workbench, and the pressing block is fixed to the top of the piston rod of the first hydraulic cylinder;

[0006] A cutting saw is respectively provided on the machine body between the two workbenches and the cross beam;

[0007] A pair of cushion strips are respectively provided at the rear ends of the tops of the two workbenches. The two cushion strips are respectively located on the front and rear sides of the avoidance groove.

[0008] Further, the two punching mechanisms are respectively connected to the cross beam in a left-right moving manner.

[0009] Further, the punching mechanism includes a moving seat, a second hydraulic cylinder fixed on the moving seat, and a punching knife fixed on the piston rod of the hydraulic cylinder.

[0010] Further, a track is provided on the cross beam. The moving seat is movably connected to the track. A driving mechanism for driving the moving seat to displace is also provided on the cross beam.

[0011] Further, the driving mechanism is an electric cylinder or a lead screw mechanism.

[0012] Further, a guide rail is provided in the middle of the machine body, and the two workbenches are respectively movably connected to the guide rail through support frames. A trolley for driving the support frame to displace is further provided in the support frame.

[0013] Further, guide rails are respectively provided on the front and rear sides at the lower end inside the machine body. Guide blocks are respectively provided at the front and rear ends of the support frame, and the guide rails and the guide blocks are matched with each other.

[0014] Further, the pressing block includes a connecting cap and a main body. The connecting cap is connected to the piston rod of the first hydraulic cylinder, and the main body is arranged on the inner side facing the workbench.

[0015] Further, a chip guiding mechanism is also provided inside the machine body.

[0016] Further, the chip guiding mechanism includes a first chip guiding groove and a second chip guiding groove. The first chip guiding groove 16 is horizontally arranged and is provided with a long groove corresponding to the saw blade of the cutting saw. The saw blade of the cutting saw penetrates through the long groove from above. The second chip guiding groove is vertically arranged and extends to the chip discharge port of the machine body. The first chip guiding groove is inclined towards the second chip guiding groove and its outlet end is located above the second chip guiding groove. The second chip guiding groove is inclined towards the chip discharge port.

[0017] The beneficial effects of the present utility model are as follows: The structure is simple, and the trimming and punching of plastic parts of the luggage can be completed at one time. During the operation process, the operator is far away from the cutting and punching tools, so accidents are not likely to occur, and it is safer and more reliable. In addition, the two workbenches operate alternately, which can effectively improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic top view of the present utility model;

[0019] Figure 2 is a schematic front view of the present utility model;

[0020] Figure 3 is a schematic view of the workbench of the present utility model.

[0021] In the figures: machine body 1, cross beam 2, punching mechanism 3, workbench 4, avoidance groove 5, limiting mechanism 6, pressing block 7, cutting saw 8, cushion strip 9, moving seat 10, second hydraulic cylinder 11, punching knife 12, guide rail 13, connecting cap 14, main body 15, first chip guiding groove 16, second chip guiding groove 17, chip discharge port 18. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions of the present utility model will be further specifically described below through embodiments in conjunction with the drawings.

[0023] Combined with Figures 1-3As shown in the figure, an automatic edge-cutting and punching machine includes a machine body 1. A cross beam 2 is provided at the rear end of the top of the machine body 1. Punching mechanisms 3 are respectively provided at both ends of the cross beam 2. On the machine body 1 below the two punching mechanisms 3, a workbench 4 is respectively connected for left and right movement;

[0024] Avoidance grooves 5 corresponding to the punching mechanisms 3 are respectively provided at the tops of the two workbenches 4. Multiple pairs of limiting mechanisms 6 are also provided at the tops of the two workbenches 4. The limiting mechanism 6 includes a first hydraulic cylinder fixed at the bottom of the workbench 4 and a pressing block 7 provided at the top of the workbench 4. The piston rod of the first hydraulic cylinder passes through the workbench 4, and the pressing block 7 is fixed at the top of the piston rod of the first hydraulic cylinder;

[0025] Cutting saws 8 are respectively provided on the machine body 1 between the two workbenches 4 and the cross beam 2;

[0026] A pair of cushion strips 9 are respectively provided at the rear ends of the tops of the two workbenches 4. The two cushion strips 9 are respectively located on the front and rear sides of the avoidance groove 5. On the one hand, it acts as a damping strip to prevent the displacement of the cut plastic parts of the luggage. On the other hand, it also plays a certain buffering role to avoid cracking around the holes when the punching mechanism 3 punches the plastic parts of the luggage.

[0027] The working principle of the above structure is as follows: Initially, a workbench 4 is located near the middle of the machine body 1. The plastic parts of the luggage to be processed are placed on this workbench 4. After placement, each pressing block 7 descends under the action of the first hydraulic cylinder and presses the plastic parts of the luggage to position the plastic parts of the luggage. Then this workbench 4 moves towards the corresponding punching mechanism 3; when this workbench 4 moves away, the other workbench 4 moves towards the middle of the machine body 1, repeating the above actions to place another plastic part of the luggage; during the process of the previous workbench 4 moving away from the middle of the machine body 1, on the one hand, the end of the plastic part of the luggage on it is cut and trimmed by the cutting saw 8, and on the other hand, the punching mechanism 3 is started to punch it. After the edge cutting and punching are completed, the workbench 4 resets, and the operator removes the plastic part of the luggage and then places a new plastic part of the luggage, so as to cycle.

[0028] The beneficial effects of the above structure are: simple structure, can complete the edge cutting and punching of the plastic parts of the luggage at one time. During the operation process, the operator is far away from the cutting and punching tools, and accidents are not likely to occur, which is safer and more reliable. Moreover, the two workbenches 4 alternate to operate, which can effectively improve the processing efficiency.

[0029] In another embodiment, the two punching mechanisms 3 are respectively connected to the cross beam 2 for left and right movement to adapt to the processing of plastic parts of luggage with different sizes or different requirements.

[0030] In another embodiment, combined with Figure 1 and Figure 2As shown, the punching mechanism 3 includes a moving seat 10, a second hydraulic cylinder 11 fixed on the moving seat 10, and a punching knife 12 fixed on the piston rod of the hydraulic cylinder.

[0031] In another embodiment, a track is provided on the cross beam 2, the moving seat 10 is movably connected to the track, and a driving mechanism for driving the moving seat 10 to displace is further provided on the cross beam 2.

[0032] In another embodiment, the driving mechanism is an electric cylinder or a lead screw mechanism.

[0033] In another embodiment, as Figure 1 shown, a guide rail 13 is provided in the middle of the machine body 1, and the two workbenches 4 are respectively movably connected to the guide rail 13 through support frames, and a trolley for driving the support frame to displace is further provided in the support frame.

[0034] In another embodiment, guide rails are respectively provided on the front and rear sides at the lower end of the machine body 1, guide blocks are respectively provided at the front and rear ends of the support frame, and the guide rails and the guide blocks are matched to ensure the stability of the workbench 4 during and after displacement.

[0035] In another embodiment, as Figure 2 shown, the pressing block 7 includes a connecting cap 14 and a main body 15, the connecting cap 14 is connected to the piston rod of the first hydraulic cylinder, and the main body 15 is arranged on the inner side facing the workbench 4.

[0036] In another embodiment, a chip guiding mechanism is further provided in the machine body 1.

[0037] In another embodiment, as Figure 2 shown, the chip guiding mechanism includes a first chip guiding groove 16 and a second chip guiding groove 17. The first chip guiding groove 16 is arranged horizontally and is provided with a long groove corresponding to the saw blade of the cutting saw 8. The saw blade of the cutting saw 8 penetrates through the long groove at the upper end. The second chip guiding groove 17 is arranged longitudinally and extends to the chip discharging port 18 of the machine body 1. The first chip guiding groove 16 is inclined towards the second chip guiding groove 17 and its outlet end is located above the second chip guiding groove 17. The second chip guiding groove 17 is inclined towards the chip discharging port 18 to discharge the chips generated during cutting.

[0038] Preferably, as combined with Figure 1 and Figure 3 shown, there are two pairs of limiting mechanisms 6 on the workbench 4, and the two pairs of limiting mechanisms 6 are respectively arranged near the four corners of the workbench 4.

Claims

1. An automatic edge cutting and punching machine, comprising a machine body (1), characterized in that, A crossbeam (2) is provided at the rear end of the top of the machine body (1). Punching mechanisms (3) are respectively provided at both ends of the crossbeam (2). Worktables (4) are respectively connected to the machine body (1) below the two punching mechanisms (3) in a left-right movable manner; Avoidance grooves (5) corresponding to the punching mechanisms (3) are respectively provided at the tops of the two worktables (4). A plurality of pairs of limiting mechanisms (6) are also provided at the tops of the two worktables (4). The limiting mechanism (6) includes a first hydraulic cylinder fixed to the bottom of the worktable (4) and a pressing block (7) provided on the top of the worktable (4). The piston rod of the first hydraulic cylinder penetrates through the worktable (4), and the pressing block (7) is fixed to the top of the piston rod of the first hydraulic cylinder; Cutting saws (8) are respectively provided on the machine body (1) between the two worktables (4) and the crossbeam (2); A pair of cushion strips (9) are respectively provided at the rear ends of the tops of the two worktables (4), and the two cushion strips (9) are respectively located on the front and rear sides of the avoidance groove (5).

2. The automatic edge trimming and punching machine according to claim 1, characterized in that, The two punching mechanisms (3) are respectively connected to the crossbeam (2) in a left-right movable manner.

3. The automatic edge cutting and punching machine according to claim 2, characterized in that, The punching mechanism (3) includes a moving seat (10), a second hydraulic cylinder (11) fixed to the moving seat (10), and a punching knife (12) fixed to the piston rod of the hydraulic cylinder.

4. An automatic edge cutting and punching machine according to claim 3, characterized in that, A track is provided on the crossbeam (2), the moving seat (10) is movably connected to the track, and a driving mechanism for driving the moving seat (10) to displace is also provided on the crossbeam (2).

5. The automatic edge trimming and punching machine according to claim 4, characterized in that, The driving mechanism is an electric cylinder or a lead screw mechanism.

6. The automatic edge cutting and punching machine according to claim 5, characterized in that, A guide rail (13) is provided in the middle of the machine body (1). The two worktables (4) are respectively movably connected to the guide rail (13) through support frames, and a trolley for driving the support frame to displace is also provided in the support frame.

7. The automatic edge cutting and punching machine according to claim 6, characterized in that, Guide rails are respectively provided on the front and rear sides of the lower end inside the machine body (1). Guide blocks are respectively provided at the front and rear ends of the support frame, and the guide rails and the guide blocks are matched with each other.

8. The automatic edge cutting and punching machine according to claim 7, characterized in that The pressing block (7) includes a connecting cap (14) and a main body (15). The connecting cap (14) is connected to the piston rod of the first hydraulic cylinder, and the main body (15) is arranged on the inner side facing the worktable (4).

9. The automatic edge trimming and punching machine according to claim 8, characterized in that, A chip guiding mechanism is also provided inside the machine body (1).

10. An automatic edge cutting and punching machine according to claim 9, characterized in that, The chip guiding mechanism includes a first chip guiding groove (16) and a second chip guiding groove (17). The first chip guiding groove (16) is horizontally arranged and is provided with a long groove corresponding to the saw blade of the cutting saw (8). The saw blade of the cutting saw (8) penetrates through the long groove at the upper end. The second chip guiding groove (17) is vertically arranged and extends to the chip discharge port (18) of the machine body (1). The first chip guiding groove (16) is inclined towards the second chip guiding groove (17) and its outlet end is located above the second chip guiding groove (17). The second chip guiding groove (17) is inclined towards the chip discharge port (18).

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