A closed double-point continuous punching machine with automatic feeding function
By designing the automatic feeding function of material picking and conveying components on the closed double-point continuous punch, fatigue and safety hazards caused by manual operation are solved, and stamping efficiency and quality are improved.
Patent Information
- Application Number
- CN202421429138.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing closed-type double-point continuous punching machine has caused fatigue in the workforce during a large number of repetitive work, reducing the discharge efficiency and posing safety hazards.
A closed-type double-point continuous punching machine with automatic feeding function is designed. Through the provided material collection and conveying components, the automatic pick-up and discharge of the stamped workpiece and the stamped workpiece are realized, avoiding manual operation.
It improves the efficiency of workpiece stamping, reduces safety risks of manual operation, and ensures the stable conveying and accurate positioning of workpieces, improving stamping quality.
Smart Images

Figure CN222710666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of punching machines, in particular to a closed double-point continuous punching machine with an automatic feeding function. Background Art
[0002] A punch press is a stamping press. In national production, the stamping process has the advantages of saving materials and energy, high efficiency, low technical requirements for operators, and the ability to produce products that cannot be produced by mechanical processing through various mold applications. Therefore, its use is becoming more and more extensive, and stamping production is mainly for sheet metal. Through the mold, blanking, punching, forming, drawing, trimming, fine blanking, shaping, riveting and extrusion can be made, etc., which are widely used in various fields. The double-point structure punch press has two crankshafts that move synchronously at the same time to ensure the stability of the punch press.
[0003] However, the existing closed double-point continuous punching machine has some defects or shortcomings:
[0004] After the closed press completes processing and extrusion of the parts, the staff needs to manually take the processed and pressurized parts out of the workbench of the closed press. However, when the staff needs to make and process multiple parts, a large amount of repetitive work can easily cause fatigue to the staff, causing the staff to gradually slow down the speed of taking the parts, reducing the efficiency of the closed press unloading, and there will be certain safety hazards. Utility Model Content
[0005] The utility model aims to provide a closed double-point continuous punching machine with automatic feeding function to solve the above problems.
[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a closed double-point continuous punching machine with an automatic feeding function, including: a support, a plurality of pillars fixed at the four corners of the upper surface of the support, a machine base installed on the top of the plurality of the supports, a transmission system installed in the machine base, a slider installed at the bottom of the transmission system, an upper die base installed at the bottom of the slider, a lower die base installed at the top of the support, a conveying assembly installed on the support, and a material picking assembly arranged on the conveying assembly, wherein
[0007] Therefore, the transmission system is suitable for pushing the slider to move in the vertical direction, thereby controlling the upper die seat to reciprocate and approach the lower die seat for stamping operation;
[0008] The material taking assembly is suitable for fixing the workpiece before and after stamping;
[0009] The conveying assembly is suitable for controlling the material taking assembly to perform horizontal reciprocating movement.
[0010] Further, the material picking assembly includes a material picking frame arranged between the upper die base and the lower die base, a plurality of control columns arranged at the four corners of the bottom of the material picking frame, two reinforcing rods mirror-imaged at the bottom of the material picking frame, synchronous electric push rods respectively installed in the plurality of control columns, a plurality of bidirectional screw rods rotatably connected in the material picking frame, two clamping rods respectively screw-mounted at both ends of the plurality of bidirectional screw rods, and positioning components arranged on the two clamping rods;
[0011] The telescopic ends of the plurality of synchronous electric push rods are fixedly connected to the bottom of the material taking frame;
[0012] The two ends of the two reinforcing rods are respectively fixedly connected to two of the control columns;
[0013] The plurality of control columns are all arranged on the conveying assembly.
[0014] Further, the positioning component includes wedge-shaped clamping blocks respectively fixed at the bottom of the two clamping rods, two guide rods mirror-mounted in the wedge-shaped clamping blocks, a pressure plate fixed at the top of the two guide rods, a plurality of limit rods respectively symmetrically mounted on the two reinforcing rods, a plurality of pressure rods respectively fixed at the bottom of both ends of the two pressure plates, and a plurality of return springs respectively movably sleeved on the plurality of pressure rods;
[0015] The lower ends of the plurality of pressure rods respectively penetrate the plurality of limit rods and are fixedly connected to the limit blocks;
[0016] The two ends of the return spring are fixedly connected to the upper surface of the limiting rod and the lower surface of the pressing plate respectively.
[0017] Further, the conveying assembly includes a plurality of first guide rails fixed in mirror image on both sides of the support, a plurality of first guide blocks slidably mounted on the plurality of first guide rails, two control seats respectively fixed on two first guide blocks on one side of the support, two racks respectively fixed on two first guide rails on one side of the support, two first motors respectively fixed on two control seats, and two control gears respectively fixed on output ends of the two first motors and respectively meshing with the two racks;
[0018] The bottoms of the plurality of control columns are respectively fixedly connected to the upper surfaces of the plurality of the first guide blocks.
[0019] Furthermore, the conveying assembly also includes two second guide rails fixed to one side of the support, two second guide blocks slidably mounted on the two second guide rails, one end of which is fixed to the upper surface of the second guide block, and the other end of which is fixed to two reinforcing frames on the outer walls of two of the control columns;
[0020] The two second guide blocks are fixedly connected to the two control seats respectively.
[0021] Furthermore, the material picking assembly also includes a second motor installed on the outer wall of one side of the material picking frame, a plurality of transmission gears fixed on the output end of the second motor and one end of the plurality of bidirectional screw rods, and a toothed belt meshingly sleeved on the plurality of transmission gears.
[0022] Furthermore, the lower part of the support is placed in the foundation, and the bottoms of the plurality of the first guide rails and the two second guide rails are fixedly connected with a plurality of cushion blocks, and the plurality of cushion blocks are symmetrically provided with assembly holes.
[0023] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:
[0024] 1. The closed double-point continuous punching machine with automatic feeding function can pick up the workpiece to be punched and the workpiece to be punched at the same time through the set picking component, and with the cooperation of the conveying component, the workpiece to be processed can be conveyed to the space between the upper die seat and the lower die seat for punching operation, and the punched workpiece can be conveyed to the accumulation place of the punched material. When the workpiece is punching, the conveying component can control the resetting of the picking component, and then the workpiece to be processed and the punched workpiece can be picked up and placed immediately after the punching of the workpiece is completed, which is convenient for the continuous conveying and punching of the workpiece, thereby ensuring the efficiency of the punching of the workpiece, and does not require the workpiece personnel to perform the feeding operation, avoiding the safety hazards caused by manual feeding;
[0025] 2. The closed double-point continuous punching machine with automatic feeding function can vertically position the workpiece to be processed and the punched workpiece when the two clamping rods in the picking assembly horizontally clamp the workpiece to be processed and the punched workpiece through the two positioning components. Therefore, when the conveying assembly controls the movement of the picking assembly, the workpiece in the conveying assembly is stable, the workpiece is not easy to detach from the picking assembly, and the accuracy of the workpiece picking and placing position can be guaranteed, thereby improving the stamping quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0027] Figure 1 Shows a stereogram of the utility model;
[0028] Figure 2 Shows a front view of the utility model;
[0029] Figure 3 Shows a partial stereoscopic view of the utility model Figure 1 ;
[0030] Figure 4 Shows a partial stereoscopic view of the utility model Figure 2 ;
[0031] Figure 5 A partial enlarged view of the utility model is shown.
[0032] In the figure
[0033] 1. Support; 2. Pillar; 3. Machine base; 4. Transmission system; 5. Slider; 6. Upper die seat; 7. Lower die seat; 8. Conveying assembly; 9. Material picking assembly; 10. Material picking frame; 11. Control column; 12. Reinforcement rod; 13. Synchronous electric push rod; 14. Bidirectional screw rod; 15. Clamp rod; 16. Positioning component; 17. Wedge clamp block; 18. Guide rod; 19. Press plate; 20. Limit rod; 21. Press rod; 22. Return spring; 23. Limit block; 24. First guide rail; 25. First guide block; 26. Control seat; 27. Rack; 28. First motor; 29. Control gear; 30. Second guide rail; 31. Second guide block; 32. Reinforcement frame; 33. Second motor; 34. Transmission gear; 35. Toothed belt; 36. Pad block; 37. Assembly hole. DETAILED DESCRIPTION
[0034] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0035] See also Figure 1 , Figure 1 Shows a three-dimensional diagram of the utility model; please refer to Figure 2 , Figure 2 Shows the front view of the utility model; please refer to Figure 3 , Figure 3 Shows a partial stereoscopic view of the utility model Figure 1 ; see Figure 4 , Figure 4 Shows a partial stereoscopic view of the utility model Figure 2 ; see Figure 5 , Figure 5 Shows a partial enlarged view of the utility model; Figure 1-5 As shown, a closed double-point continuous punching machine with automatic feeding function includes: a support 1, a plurality of pillars 2 fixed at the four corners of the upper surface of the support 1, a machine base 3 installed on the top of the plurality of supports 1, a transmission system 4 installed in the machine base 3, a slider 5 installed at the bottom of the transmission system 4, an upper die base 6 installed at the bottom of the slider 5, a lower die base 7 installed at the top of the support 1, a conveying assembly 8 installed on the support 1, and a material taking assembly 9 arranged on the conveying assembly 8, wherein
[0036] Therefore, the transmission system 4 is suitable for pushing the slider 5 to move in the vertical direction, thereby controlling the upper die base 6 to reciprocate and approach the lower die base 7 to perform stamping operations. The existing mature technology of the transmission system 4 is that the motor drives the large pulley through the V-belt, and drives the crank slider 5 mechanism through the gear pair and the clutch, so that the slider 5 and the punch move straight down, and here the transmission system 4 is composed of two crank slider 5 mechanisms;
[0037] The material taking assembly 9 is suitable for fixing the workpiece before and after stamping;
[0038] The conveying assembly 8 is suitable for controlling the reciprocating movement of the material taking assembly 9 in the horizontal direction. When in use, the workpieces to be processed are stacked or conveyed one by one between two of the first guide rails 24. When the workpiece is stamped, one of the positioning components 16 in the material taking assembly 9 can first clamp and fix the workpiece to be processed, and then, with the cooperation of the conveying assembly 8, the workpiece to be processed is conveyed between the upper die base 6 and the lower die base 7, and the blanking of the workpiece is completed. At this time, the transmission system 4 set can control the slider 5 to drive the lower die base 7 to move downward, and then perform the stamping operation of the workpiece. When the workpiece is stamped, under the control of the conveying assembly 8, the material taking assembly 9 is reset, so that one of the positioning components 16 in the material taking assembly 9 moves to the accumulation place of the workpiece to be processed, and the other The two positioning components 16 are moved to the material being stamped, and then after the stamping of the workpiece is completed, the two positioning components 16 can clamp the workpiece to be processed and the workpiece that has been stamped respectively, and under the control of the conveying component 8, the material picking component 9 is moved, and one of the positioning components 16 moves the workpiece to be processed to between the upper die base 6 and the lower die base 7 for stamping operation, and the other positioning component 16 can move the stamped workpiece to the accumulation place of the stamped material, so that the material picking and discharging of the workpiece can be completed at the same time. After the stamping of the previous workpiece is completed, the stamping operation of the next workpiece can be carried out directly, which is convenient for the continuous conveying and stamping of the workpiece, thereby ensuring the efficiency of the stamping of the workpiece, and there is no need for the workpiece personnel to perform feeding operations, avoiding the safety hazards caused by manual feeding.
[0039] Optionally, the material picking assembly 9 includes a material picking frame 10 arranged between the upper die base 6 and the lower die base 7, a plurality of control columns 11 arranged at the four corners of the bottom of the material picking frame 10, two reinforcing rods 12 mirror-arranged at the bottom of the material picking frame 10, synchronous electric push rods 13 respectively installed in the plurality of control columns 11, a plurality of bidirectional screw rods 14 rotatably connected to the material picking frame 10, two clamping rods 15 respectively screw-mounted at both ends of the plurality of bidirectional screw rods 14, and a positioning component 16 arranged on the two clamping rods 15;
[0040] The telescopic ends of the synchronous electric push rods 13 are fixedly connected to the bottom of the material taking frame 10;
[0041] Two ends of the two reinforcing rods 12 are fixedly connected to two of the control columns 11 respectively;
[0042] The plurality of control columns 11 are all arranged on the conveying assembly 8. When in use, the conveying assembly 8 can control the synchronous movement of the plurality of control columns 11, so that one of the positioning components 16 is moved to be placed at the accumulation place of the workpieces to be processed, and the other positioning component 16 is placed at the workpiece after the stamping is completed. Then, the plurality of synchronous electric push rods 13 are started, and the material picking frame 10 can be controlled to move downward, so that the material picking frame 10 is placed outside the workpieces to be processed and the stamping completed workpieces need to be fixed. At this time, the plurality of bidirectional screw rods 14 rotate synchronously, and the two clamping rods 15 are controlled to approach each other to clamp the workpieces. Then, the plurality of synchronous electric push rods 13 are started, and the material picking frame 10 is controlled to move upward, and the workpieces to be processed are controlled. The processed workpiece and the stamped workpiece are moved up, so that the two positioning components 16 can clamp the workpiece to be processed and the stamped workpiece respectively, and then under the control of the conveying component 8, the workpiece to be processed can be moved between the upper die base 6 and the lower die base 7, and the stamped workpiece is moved to the pile of processed workpieces, and under the control of several synchronous electric push rods 13, the workpiece to be processed and the stamped workpiece are placed. When the workpiece to be processed is stamped, the conveying component 8 controls the material picking component 9 to reset, and at the same time, the workpiece to be processed and the stamped workpiece are picked up and discharged, so that it is convenient to immediately convey the next workpiece to be processed after the stamping of the workpiece to be processed is completed, so as to ensure the stamping efficiency of the workpiece.
[0043] Optionally, the positioning component 16 includes a wedge-shaped clamp block 17 respectively fixed to the bottom of the two clamp rods 15, two guide rods 18 mirror-mounted in the wedge-shaped clamp block 17, a pressure plate 19 fixed to the top of the two guide rods 18, a plurality of limit rods 20 symmetrically mounted on the two reinforcing rods 12, a plurality of pressure rods 21 respectively fixed to the bottom of both ends of the two pressure plates 19, and a plurality of return springs 22 respectively movably sleeved on the plurality of pressure rods 21;
[0044] The lower ends of the plurality of pressure rods 21 respectively penetrate the plurality of limit rods 20 and are fixedly connected to the limit blocks 23;
[0045] The two ends of the reset spring 22 are fixedly connected to the upper surface of the limit rod 20 and the lower surface of the pressure plate 19 respectively. When the two clamping rods 15 are close to each other, the two wedge-shaped clamping blocks 17 can lift the workpiece above the lower die seat 7 or the workpiece where the unprocessed workpieces are piled up, so that the edge of the workpiece is placed between the wedge-shaped clamping blocks 17 and the pressure plate 19, and when the material picking frame 10 moves upward and the material picking assembly 9 is conveyed by the conveying assembly 8, the two wedge-shaped clamping blocks 17 can drive the workpiece to move upward, and make the lower surfaces of the two pressure plates 19 contact with the upper surface of the workpiece, so that the two wedge-shaped clamping blocks 17 and the two pressure plates 19 clamp the workpiece, and under the elastic force of the reset springs 22, the pressure plate 19 can drive the two pressure rods 21 to move in the two limit rods respectively, so that the two While the pressing plate 19 has downward pressure, it can also provide sufficient space for the two pressing plates 19 to move, thereby facilitating the limiting of workpieces of different thicknesses, thereby improving the stability of the two clamping rods 15 fixing the workpieces, and the stability of the workpieces when being transported by the conveying assembly 8, thereby improving the accuracy of the position of the workpieces during loading and unloading, and improving the quality of workpiece stamping; and because the limiting rod moves in the reinforcing rod 12, and the guide rod 18 at the bottom of the pressing plate 19 can move in the wedge-shaped clamp block 17, then when the clamping rod 15 moves without affecting the vertical movement of the wedge-shaped clamp block 17, the pressing plate 19 can be controlled to move synchronously in the horizontal direction, so that when the two clamping rods 15 move different distances, the set pressing plates 19 can fix the workpieces, thereby ensuring the normal use of the positioning component 16.
[0046] Optionally, the conveying assembly 8 includes a plurality of first guide rails 24 fixed in mirror image on both sides of the support 1, a plurality of first guide blocks 25 slidably mounted on the plurality of first guide rails 24, two control seats 26 respectively fixed on two first guide blocks 25 on one side of the support 1, two racks 27 respectively fixed on two first guide rails 24 on one side of the support 1, two first motors 28 respectively fixed on two control seats 26, and two control gears 29 respectively fixed on output ends of the two first motors 28 and respectively meshing with the two racks 27;
[0047] The bottoms of several of the control columns 11 are fixedly connected to the upper surfaces of several of the first guide blocks 25, respectively. After the material picking assembly 9 completes the picking and placing of unprocessed workpieces and stamped workpieces, the two first motors 28 are started, respectively driving the two control gears 29 to rotate, thereby making the two control gears 29 move along the two racks 27, respectively, so that the two control seats 26 respectively drive two of the first guide blocks 25 to move on two of the first guide rails 24, thereby making two of the control columns 11 move, and cooperate with the material picking assembly 9, so that the other two first guide blocks 25 move on the other two first guide rails 24, respectively, so as to facilitate the control of the material picking assembly 9 to transport the unprocessed workpieces from the unprocessed workpiece accumulation area to the space between the upper die seat 6 and the lower die seat 7 for stamping, and to transport the stamped workpieces from the space between the upper die seat 6 and the lower die seat 7 to the accumulation area of the processed workpieces. During the stamping process of the workpiece, the material picking assembly 9 can be controlled to reset, thereby facilitating the transportation of the next unprocessed workpiece immediately after the stamping of the workpiece is completed, thereby ensuring the stamping efficiency of the workpiece.
[0048] Optionally, the conveying assembly 8 further includes two second guide rails 30 fixed to one side of the support 1, two second guide blocks 31 respectively slidably mounted on the two second guide rails 30, one end of which is fixed to the upper surface of the second guide block 31, and the other end of which is fixed to the outer wall of two of the control columns 11.
[0049] The two second guide blocks 31 are fixedly connected to the two control seats 26 respectively. When the two control seats 26 drive the first guide blocks 25 at the bottom of two control columns 11 to move on two of the first guide rails 24 respectively, the two second guide blocks 31 can be moved on the two second guide rails 30 respectively, thereby ensuring the stability of the movement of the control seat 26, and cooperating with the two reinforcement frames 32 to complete the connection between the two control columns 11 and the two second guide blocks 31, thereby further improving the stability of the horizontal movement of the two control columns 11, and ensuring the stability of the horizontal movement of the material picking component 9 on the conveying component 8.
[0050] Optionally, the material picking assembly 9 also includes a second motor 33 installed on the outer wall of one side of the material picking frame 10, a plurality of transmission gears 34 fixed on the output end of the second motor 33 and one end of the plurality of bidirectional screw rods 14, and a toothed belt 35 meshingly sleeved on the plurality of transmission gears 34. When it is necessary to pick up unprocessed workpieces and stamped workpieces, the second motor 33 is started, which can drive one of the transmission gears 34 to rotate, and then cooperate with the toothed belt 35 to mesh and transmit the other plurality of transmission gears 34, so as to facilitate the control of the synchronous rotation of the plurality of bidirectional screw rods 14, ensure the stability of the transmission of the plurality of bidirectional screw rods 14 to the two clamping rods 15, ensure the accuracy of the movement of the two clamping rods 15, and thereby improve the stability of the fixation of the unprocessed workpieces and the stamped workpieces.
[0051] Optionally, the lower part of the support 1 is placed in the foundation, and the bottoms of several first guide rails 24 and two second guide rails 30 are fixedly connected with several pads 36, and several pads 36 are symmetrically provided with assembly holes 37. The lower part of the support 1 is buried in the foundation, which can ensure the stability of the punch press during overall use, and several pads 36 can be fixed to the foundation surface with bolts through several assembly holes 37, thereby improving the stability of several first guide rails 24 and two second guide rails 30 during use and ensuring the transmission effect of the conveying component 8 on the material picking component 9.
[0052] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A closed double-point continuous punching machine with automatic feeding function, characterized in that: include: A support (1), a plurality of pillars (2) fixed at four corners of the upper surface of the support (1), a machine base (3) installed on the top of the plurality of supports (1), a transmission system (4) installed in the machine base (3), a slider (5) installed at the bottom of the transmission system (4), an upper die base (6) installed at the bottom of the slider (5), a lower die base (7) installed at the top of the support (1), a conveying assembly (8) installed on the support (1), and a material taking assembly (9) arranged on the conveying assembly (8), wherein Therefore, the transmission system (4) is suitable for pushing the slider (5) to move in the vertical direction, thereby controlling the upper die base (6) to reciprocate and approach the lower die base (7) to perform stamping operations; The material taking component (9) is suitable for fixing the workpiece before and after stamping; The conveying component (8) is suitable for controlling the material taking component (9) to perform horizontal reciprocating movement.
2. A closed double-point continuous punching machine with automatic feeding function as claimed in claim 1, characterized in that: The material picking assembly (9) comprises a material picking frame (10) arranged between the upper die base (6) and the lower die base (7), a plurality of control columns (11) arranged at the four corners of the bottom of the material picking frame (10), two reinforcing rods (12) arranged in a mirror image at the bottom of the material picking frame (10), synchronous electric push rods (13) respectively installed in the plurality of control columns (11), a plurality of bidirectional screw rods (14) rotatably connected in the material picking frame (10), two clamping rods (15) respectively screwed on the two ends of the plurality of bidirectional screw rods (14), and positioning components (16) arranged on the two clamping rods (15); The telescopic ends of the plurality of synchronous electric push rods (13) are fixedly connected to the bottom of the material taking frame (10); Two ends of the two reinforcing rods (12) are respectively fixedly connected to two of the control columns (11); A plurality of control columns (11) are arranged on the conveying component.
3. A closed double-point continuous punching machine with automatic feeding function as claimed in claim 2, characterized in that: The positioning component (16) comprises a wedge-shaped clamping block (17) respectively fixed at the bottom of the two clamping rods (15), two guide rods (18) movably mounted in the wedge-shaped clamping block (17) in a mirror-image manner, a pressure plate (19) fixed at the top of the two guide rods (18), a plurality of limit rods (20) symmetrically and movably mounted on the two reinforcing rods (12), a plurality of pressure rods (21) respectively fixed at the bottom of both ends of the two pressure plates (19), and a plurality of return springs (22) respectively and movably sleeved on the plurality of pressure rods (21); The lower ends of the plurality of pressure rods (21) respectively penetrate the plurality of limiting rods (20) and are fixedly connected to the limiting blocks (23); The two ends of the return spring (22) are respectively fixedly connected to the upper surface of the limiting rod (20) and the lower surface of the pressing plate (19).
4. A closed double-point continuous punching machine with automatic feeding function as claimed in claim 3, characterized in that: The conveying assembly (8) comprises a plurality of first guide rails (24) fixed in mirror image on both sides of the support (1), a plurality of first guide blocks (25) slidably mounted on the plurality of first guide rails (24), two control seats (26) respectively fixed on two first guide blocks (25) on one side of the support (1), two racks (27) respectively fixed on two first guide rails (24) on one side of the support (1), two first motors (28) respectively fixed on the two control seats (26), and two control gears (29) respectively fixed on the output ends of the two first motors (28) and respectively meshing with the two racks (27); The bottoms of the plurality of control columns (11) are respectively fixedly connected to the upper surfaces of the plurality of first guide blocks (25).
5. A closed double-point continuous punching machine with automatic feeding function as claimed in claim 4, characterized in that: The conveying assembly (8) further comprises two second guide rails (30) fixed to one side of the support (1), two second guide blocks (31) respectively slidably mounted on the two second guide rails (30), one end of which is fixed to the upper surface of the second guide block (31) and the other end of which is fixed to the outer wall of two of the control columns (11); The two second guide blocks (31) are fixedly connected to the two control seats (26) respectively.
6. A closed double-point continuous punching machine with automatic feeding function as claimed in claim 5, characterized in that: The material picking assembly (9) also includes a second motor (33) mounted on an outer wall of one side of the material picking frame (10), a plurality of transmission gears (34) fixed to the output end of the second motor (33) and one end of the plurality of bidirectional screw rods (14), and a toothed belt (35) meshingly sleeved on the plurality of transmission gears (34).
7. A closed double-point continuous punching machine with automatic feeding function as claimed in claim 6, characterized in that: The lower part of the support (1) is placed in the foundation, and the bottoms of the plurality of first guide rails (24) and the two second guide rails (30) are fixedly connected with a plurality of cushion blocks (36), and the plurality of cushion blocks (36) are symmetrically provided with assembly holes (37).