Horizontal punching mechanism special for multi-station elastic core

Abstract

A horizontal punching mechanism special for a multi-station elastic core comprises a base table, and a fixed die base, a movable die base, a left feeding piece and a right feeding piece are assembled on the base table. A lead material feeding station, a processing station and a steel material feeding station are sequentially arranged on the fixed die holder, the processing station sequentially comprises a lead material processing station, an assembling station and a steel material processing station, a material ejection sliding seat is assembled behind the fixed die holder, and an ejection rod used for ejecting a workpiece out of the stations is assembled on the material ejection sliding seat. A plurality of punching needles corresponding to the machining stations are assembled on the movable die base. The left feeding piece is located on the left side of the fixed die base so that lead materials on the lead material feeding station can be conveyed to pass through the lead material machining station and the assembling station in sequence, and the right feeding piece is located on the right side of the fixed die base so that steel materials on the steel material feeding station can be conveyed to pass through the steel material machining station and the assembling station in sequence. Compared with the prior art, the full-automatic bullet core production line has the following beneficial effects that full-automatic production from raw materials to finished bullet cores is achieved through the highly-integrated design.

Description

Technical Field

[0001] The invention belongs to the technical field of production and processing of bullet cores, and in particular relates to a multi-station horizontal punching mechanism dedicated to bullet cores. Background Art

[0002] In the field of bullet core production, traditional production processes often involve multiple independent processing stages, including raw material preparation, preliminary forming, fine processing, component assembly, etc. These stages are usually completed at different workstations or machines, and require manual participation in operations such as material transfer, clamping and positioning. For example, lead and steel materials may first be initially formed on a separate stamping machine, then transferred to another device for precise processing, and finally assembled into a complete bullet core structure manually or through assembly equipment. This process not only involves complex human resource deployment, but is also prone to material damage and dimensional deviation accumulation due to multiple handling, affecting the quality and consistency of the final product. Summary of the invention

[0003] In order to solve the above technical problems, the present invention is solved by the following technical solutions.

[0004] A multi-station horizontal stamping mechanism dedicated to cores includes a base, on which a fixed die seat, a movable die seat, a left feed piece and a right feed piece are mounted. The fixed die seat is provided with a lead material feeding station, a processing station and a steel material feeding station in sequence, and the processing stations include a lead material processing station, an assembly station and a steel material processing station in sequence. A ejector slide is mounted at the rear of the fixed die seat, and a ejector slide is mounted with an ejector rod for ejecting the workpiece from the station. The movable die seat is equipped with a number of punches corresponding to each processing station. The left feed piece is located on the left side of the fixed die seat to sequentially feed the lead material on the lead material feeding station through the lead material processing station and the assembly station, and the right feed piece is located on the right side of the fixed die seat to sequentially feed the steel material on the steel material feeding station through the steel material processing station and the assembly station.

[0005] Preferably, it also includes a driving shaft, the driving shaft is connected with an X-direction transmission mechanism and a Y-direction transmission mechanism, the X-direction transmission mechanism connects the movable mold base and the ejection slide, and the Y-direction transmission mechanism connects the left feeding piece and the right feeding piece.

[0006] Preferably, the X-axis transmission mechanism comprises a crankshaft, a first connecting rod and a toggle. The toggle is a two-section hinged structure, the two ends of the toggle are a fixed end and a movable end, and the middle of the toggle is a toggle hinge. The crankshaft is assembled on the drive shaft, one end of the first connecting rod is assembled and connected to the crankshaft, the other end of the first connecting rod is connected to the toggle hinge, the fixed end of the toggle is hinged to the base, the movable end of the toggle is hinged to the sliding seat, and the movable mold seat is fixedly assembled with the sliding seat.

[0007] Preferably, the X-axis transmission mechanism further comprises an elbow-type connector, a second connecting rod and a connecting seat. The elbow-type connector comprises a shaft portion, the shaft portion is rotatably assembled with the base, and the side of the shaft portion is provided with a forked first connecting portion and a second connecting portion, the first connecting portion is hinged with a first slider, and the first slider can be slidably assembled on the sliding seat. The second connecting portion is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the middle of the connecting seat, one end of the connecting seat is rotatably assembled with the base, and the other end of the connecting seat is hinged with a second slider, and the second slider can be slidably assembled on the top material sliding seat.

[0008] Preferably, the Y-axis transmission mechanism comprises a lateral shaft, a cam and a first swing arm. The lateral shaft is connected to the drive shaft through bevel gear meshing, and the cam is mounted on the lateral shaft. A first hinged portion is arranged in the middle of the first swing arm, and the first hinged portion is rotatably connected to the base, a reset connecting plate is arranged on the first hinged portion, and a reset spring is connected between the reset connecting plate and the base. The upper end of the first swing arm is hinged to the right feeding member, and a groove cooperating with the cam is arranged at a position between the upper end of the first swing arm and the swing arm connecting portion.

[0009] Preferably, the Y-axis transmission mechanism further comprises a second swing rod and a connecting shaft, one end of the connecting shaft is hinged to the lower end of the first swing rod, and the other end of the connecting shaft is hinged to the lower end of the second swing rod. A second hinged portion hinged to the base is provided in the middle of the second swing rod, and the upper end of the second swing rod is hinged to the left feeding member.

[0010] Preferably, the lead material processing station includes a primary punching groove, a secondary punching groove, a tertiary punching groove and a punching shaping groove in sequence.

[0011] Preferably, a cutting device is provided at the steel material feeding station.

[0012] Compared with the prior art, the present invention has the following beneficial effects: it integrates multiple processes such as the feeding of lead and steel materials, separate processing, and final assembly, and realizes the fully automatic production from raw materials to finished bullet cores. This integrated design greatly improves production efficiency, reduces the time loss of material handling and process conversion, and simplifies the production process, reduces the dimensional error caused by multiple clamping and transfer, and ensures the continuity and consistency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the stamping mechanism.

[0014] Figure 2 This is a partial structural diagram of the fixed mold base and the movable mold base.

[0015] Figure 3 The plane section of the stamping mechanism Figure 1 .

[0016] Figure 4 The plane section of the stamping mechanism Figure 2 .

[0017] Figure 5 The plane section of the stamping mechanism Figure 3 .

[0018] Figure 6 This is a structural cross-sectional view of the fixed mold base.

[0019] The following is a description of the markings in the accompanying drawings of the specification:

[0020] 100, fixed die base; 110, lead material feeding trough; 120, primary punching groove; 121, secondary punching groove; 122, tertiary punching groove; 123, punching shaping groove; 124, assembly groove; 125, steel core forming groove; 130, steel material feeding trough; 140, cutting device;

[0021] 200, movable die seat; 210, punching needle; 220, sliding seat;

[0022] 300, left feeding parts;

[0023] 400, right feeding parts;

[0024] 500, ejector slide; 510, ejector rod;

[0025] 600, drive shaft; 610, flywheel; 620, crankshaft; 630, first connecting rod; 640, elbow joint; 650, elbow-type connecting piece; 651, first slider; 660, second connecting rod; 670, connecting seat; 671, second slider;

[0026] 700, lateral shaft; 710, cam; 720, first rocker arm; 721, reset connecting plate; 722, reset spring; 730, second rocker arm; 740, connecting shaft. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] In the following embodiments, the same or similar reference numerals throughout represent the same or similar components or components with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms: center, longitudinal, transverse, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and therefore cannot be understood as limiting the present invention. In addition, the terms: first, second, etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless otherwise clearly specified and limited, the terms: install, connect, connect, etc. should be understood in a broad sense, and ordinary technicians in this field can understand the specific meaning of the above terms in this practicality according to the specific circumstances.

[0030] Reference Figures 1 to 6 A multi-station horizontal punching mechanism for cores includes a base, on which a fixed die seat 100, a movable die seat 200, a left feed piece 300 and a right feed piece 400 are mounted. The fixed die seat 100 is provided with a lead material feeding station, a processing station and a steel material feeding station in sequence, and the processing stations include a lead material processing station, an assembly station and a steel material processing station in sequence. A lead material feeding trough 110 is provided in the lead material feeding station, an assembly trough 124 is provided in the assembly station, a steel core forming trough 125 is provided in the steel material processing station, and a steel material feeding trough 130 is provided in the steel material feeding station. A ejector slide 500 is mounted at the rear of the fixed die seat 100, and a ejector rod 510 for ejecting a workpiece from the station is mounted on the ejector slide 500. A plurality of punching pins 210 corresponding to each processing station are mounted on the movable die seat 200. The left feeding member 300 is located on the left side of the fixed mold base 100 to sequentially feed the lead material on the lead material feeding station through the lead material processing station and the assembly station. The right feeding member 400 is located on the right side of the fixed mold base 100 to sequentially feed the steel material on the steel material feeding station through the steel material processing station and the assembly station.

[0031] The lead material processing station performs stamping processing on the lead material, and at the same time, the steel material processing station performs stamping processing on the steel material. After completing all the stamping processing, the left feeding piece 300 and the right feeding piece 400 simultaneously deliver the lead material and the steel material to the assembly station, and the assembly of the lead material and the steel material is completed through the cooperation of the punching needle 210. The present application integrates multiple processes such as the feeding of lead material and steel material, separate processing, and final assembly into one, realizing the fully automatic production from raw materials to finished bullet cores. This integrated design greatly improves production efficiency, reduces the time loss of material handling and process conversion, and also simplifies the production process, reduces the dimensional error caused by multiple clamping and transfer, and ensures the continuity and consistency of the product.

[0032] In the traditional process, since each processing link is driven by a different power source, such as configuring a motor to drive each stamping die or feeding device, this multi-source drive method increases the complexity of the equipment, and it is also difficult to achieve accurate synchronization of the actions between the processing steps, which is easy to produce timing errors and affect the processing accuracy and efficiency. Moreover, the space occupied by multiple devices is large, and the energy consumption is high, which is not conducive to production cost control and workshop layout optimization. However, the present application is driven by a single drive source, and a single drive source is used to synchronously control multiple working parts, which not only ensures the synchronization and coordination of the action, but also significantly improves the processing accuracy and stability, and avoids the processing errors that may be caused by multi-source driving. Specifically, the present application includes a drive shaft 600, and the drive shaft 600 is connected to an X-direction transmission mechanism and a Y-direction transmission mechanism, the X-direction transmission mechanism connects the movable mold seat 200 and the ejection slide 500, and the Y-direction transmission mechanism connects the left feeding piece 300 and the right feeding piece 400. The drive shaft 600 is connected to a flywheel 610, and the flywheel 610 is connected to an external motor through a belt drive module.

[0033] Furthermore, the X-axis transmission mechanism includes a crankshaft 620, a first connecting rod 630 and a toggle 640. The toggle 640 is a two-section hinged structure, with two ends of the toggle 640 being a fixed end and a movable end, and the middle of the toggle 640 being a hinged portion of the toggle 640. The crankshaft 620 is assembled on the drive shaft 600, one end of the first connecting rod 630 is assembled and connected to the crankshaft 620, the other end of the first connecting rod 630 is connected to the hinged portion of the toggle 640, the fixed end of the toggle 640 is hinged to the base, the movable end of the toggle 640 is hinged to the sliding seat 220, and the movable mold seat 200 is fixedly assembled with the sliding seat 220. Its working principle is as follows: the rotational motion of the crankshaft 620 is converted into the forward and backward reciprocating motion of the sliding seat 220 through the cooperation of the first connecting rod 630 and the elbow joint 640. Since the movable mold seat 200 is fixedly assembled with the sliding seat 220, the forward and backward reciprocating motion of the sliding seat 220 also drives the punching needle 210 to reciprocate, thereby completing the stamping process of the lead material and the steel material.

[0034] Furthermore, the X-axis transmission mechanism further includes an elbow-type connector 650, a second connecting rod 660 and a connecting seat 670. The elbow-type connector 650 includes a shaft portion, which is rotatably assembled with the base, and a first connecting portion and a second connecting portion are provided on the side of the shaft portion. The first connecting portion is hinged with a first slider 651, and the first slider 651 can be slidably assembled on the sliding seat 220. The second connecting portion is hinged with one end of the second connecting rod 660, and the other end of the second connecting rod 660 is hinged with the middle of the connecting seat 670. One end of the connecting seat 670 is rotatably assembled with the base, and the other end of the connecting seat 670 is hinged with a second slider 671, and the second slider 671 can be slidably assembled on the ejection slide 500. Its working principle is as follows: the back-and-forth reciprocating movement of the sliding seat 220 drives the reciprocating swing of the elbow-type connecting piece 650, and the reciprocating swing of the elbow-type connecting piece 650 drives the reciprocating swing of the connecting seat 670 through the second connecting rod 660. The reciprocating swing of the connecting seat 670 drives the back-and-forth reciprocating movement of the ejecting slide 500, and then drives the ejector rod 510 to move back and forth, thereby ejecting the lead and steel materials in the processing station.

[0035] In this application, the design of the X-axis transmission mechanism realizes the automatic processing and automatic ejection functions of steel and lead materials through mechanical transmission, which greatly improves production efficiency and automation level, reduces manual intervention, and ensures the continuity of stamping operations and the efficiency of material processing.

[0036] Furthermore, the Y-axis transmission mechanism includes a lateral shaft 700, a cam 710 and a first swing rod 720. The lateral shaft 700 is connected to the drive shaft 600 through bevel gear meshing, and the cam 710 is assembled on the lateral shaft 700. A first hinged portion is arranged in the middle of the first swing rod 720, and the first hinged portion is rotatably connected to the base, and a reset connecting plate 721 is arranged on the first hinged portion, and a reset spring 722 is connected between the reset connecting plate 721 and the base. The upper end of the first swing rod 720 is hinged to the right feeding member 400, and a groove matching the cam 710 is arranged at a position between the upper end of the first swing rod 720 and the swing rod connecting portion. The working principle is as follows: the rotation of the driving shaft 600 drives the lateral shaft 700 to rotate, and the rotation of the lateral shaft 700 drives the cam 710 to rotate. During the rotation of the cam 710, it will press against the groove, causing the first swing rod 720 to rotate. When the cam 710 is out of the groove, the reset spring 722 pulls the first swing rod 720 to reset, thereby driving the first swing rod 720 to swing back and forth through the continuous rotation of the cam 710. The reciprocating swing of the first swing rod 720 drives the right feeding member 400 to perform reciprocating linear movement to complete the station switching of the steel material.

[0037] Furthermore, the Y-axis transmission mechanism further includes a second swing rod 730 and a connecting shaft 740, one end of the connecting shaft 740 is hinged to the lower end of the first swing rod 720, and the other end of the connecting shaft 740 is hinged to the lower end of the second swing rod 730. A second hinged portion hinged to the base is provided in the middle of the second swing rod 730, and the upper end of the second swing rod 730 is hinged to the left feeding member 300. Its working principle is as follows: the reciprocating swing of the first swing rod 720 drives the reciprocating swing of the second swing rod 730 through the connecting shaft 740, and the reciprocating swing of the second swing rod 730 drives the left feeding member 300 to perform reciprocating linear movement, thereby completing the station switching of the lead material.

[0038] In the present application, the design of the Y-axis transmission mechanism realizes the synchronous coordination of the left feeding part 300 and the right feeding part 400 through mechanical transmission coordination, improves production efficiency and automation level, reduces manual intervention, and ensures the continuity of stamping operations and the efficiency of material processing.

[0039] In the present application, the lead material processing station includes a primary punching groove 120, a secondary punching groove 121, a tertiary punching groove 122 and a punching shaping groove 123 in sequence. This design realizes accurate multi-stage processing of the lead material to ensure the dimensional accuracy and shape consistency of the product, and improves the processing efficiency and product quality.

[0040] The present application also integrates the cutting function of lead and steel materials. Since the hardness of lead is relatively low, the cutting of lead can be completed by linear movement of the left feeding member 300 and the fixed die seat 100. The hardness of steel is relatively high, so a cutting device 140 is provided at the steel feeding station to cut the steel.

[0041] The protection scope of the present invention includes but is not limited to the above embodiments. The protection scope of the present invention shall be based on the claims. Any replacement, deformation, and improvement of the technology that can be easily thought of by technicians in this field shall fall within the protection scope of the present invention.

Claims

1. A multi-station horizontal punching mechanism for cores, characterized in that: It comprises a base, on which a fixed die seat (100), a movable die seat (200), a left feeding piece (300) and a right feeding piece (400) are mounted; A lead material feeding station, a processing station and a steel material feeding station are sequentially arranged on the fixed die seat (100), and the processing stations sequentially include a lead material processing station, an assembly station and a steel material processing station. A material ejection slide seat (500) is arranged at the rear of the fixed die seat (100), and a ejection rod (510) for ejecting a workpiece from the station is arranged on the ejection slide seat (500); The movable die base (200) is equipped with a plurality of punching pins (210) corresponding to various processing stations; The left feeding member (300) is located on the left side of the fixed die base (100) to sequentially feed the lead material on the lead material feeding station to the lead material processing station and the assembly station, and the right feeding member (400) is located on the right side of the fixed die base (100) to sequentially feed the steel material on the steel material feeding station to the steel material processing station and the assembly station.

2. A multi-station horizontal punching mechanism for cores according to claim 1, characterized in that: It also comprises a driving shaft (600), the driving shaft (600) being connected to an X-direction transmission mechanism and a Y-direction transmission mechanism, the X-direction transmission mechanism being connected to the movable mold base (200) and the ejecting slide seat (500), and the Y-direction transmission mechanism being connected to the left feeding member (300) and the right feeding member (400).

3. A multi-station horizontal punching mechanism for cores according to claim 2, characterized in that: The X-axis transmission mechanism comprises a crankshaft (620), a first connecting rod (630) and a toggle (640); the toggle (640) is a two-section hinged structure, the two ends of the toggle (640) are a fixed end and a movable end, and the middle of the toggle (640) is a hinged portion of the toggle (640); the crankshaft (620) is assembled on the drive shaft (600), one end of the first connecting rod (630) is assembled and connected to the crankshaft (620), the other end of the first connecting rod (630) is connected to the hinged portion of the toggle (640), the fixed end of the toggle (640) is hinged to the base, the movable end of the toggle (640) is hinged to the sliding seat (220), and the movable mold seat (200) is fixedly assembled with the sliding seat (220).

4. A multi-station horizontal punching mechanism for cores according to claim 3, characterized in that: The X-axis transmission mechanism also includes an elbow-type connecting member (650), a second connecting rod (660) and a connecting seat (670); the elbow-type connecting member (650) includes a shaft portion, the shaft portion is rotatably assembled with the base, and the side of the shaft portion is provided with a forked first connecting member and a second connecting member, the first connecting member is hinged with a first slider (651), and the first slider (651) can be slidably assembled on the sliding seat (220) up and down; the second connecting member is hinged with one end of the second connecting rod (660), and the other end of the second connecting rod (660) is hinged with the middle of the connecting seat (670), one end of the connecting seat (670) is rotatably assembled with the base, and the other end of the connecting seat (670) is hinged with a second slider (671), and the second slider (671) can be slidably assembled on the ejection slide seat (500) up and down.

5. A multi-station horizontal punching mechanism for cores according to claim 2, characterized in that: The Y-direction transmission mechanism comprises a lateral shaft (700), a cam (710) and a first swing rod (720); the lateral shaft (700) is transmission-connected to the drive shaft (600) through meshing of bevel gears, and the cam (710) is assembled on the lateral shaft (700); A first hinged portion is provided in the middle of the first swing rod (720), the first hinged portion is rotatably connected to the base, a reset connecting plate (721) is mounted on the first hinged portion, and a reset spring (722) is connected between the reset connecting plate (721) and the base; the upper end of the first swing rod (720) is hinged to the right feeding member (400), and a groove cooperating with the cam (710) is provided at a position between the upper end of the first swing rod (720) and the swing rod connecting portion.

6. A multi-station horizontal punching mechanism for cores according to claim 5, characterized in that: The Y-axis transmission mechanism further comprises a second swing rod (730) and a connecting shaft (740); one end of the connecting shaft (740) is hinged to the lower end of the first swing rod (720), and the other end of the connecting shaft (740) is hinged to the lower end of the second swing rod (730); a second hinged portion hinged to the base is provided in the middle of the second swing rod (730), and the upper end of the second swing rod (730) is hinged to the left feeding member (300).

7. A multi-station horizontal punching mechanism for cores according to claim 1, characterized in that: The lead material processing station comprises, in sequence, a primary punching groove (120), a secondary punching groove (121), a tertiary punching groove (122), and a punching shaping groove (123).

8. The multi-station horizontal punching mechanism for cores according to claim 1, characterized in that: A cutting device (140) is provided at the steel material feeding station.

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