A slider connecting rod mechanism of a punch press
By introducing pulleys, bearings and other components into the slider connecting rod mechanism of the punch, the friction and wear of the slider is reduced, and the service life is extended through the lubricating structure, the problems of slider wear and equipment maintenance are solved, and higher processing accuracy and lower maintenance costs are achieved.
Patent Information
- Application Number
- CN202420605223.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-03-27
AI Technical Summary
The slider of the punch press is prone to excessive wear, and the connecting rod will also be damaged, affecting the processing accuracy, and the equipment is not convenient for disassembly and repair. The service life of the slider is limited, resulting in an increase in repair and use costs.
A slider connecting rod mechanism is designed to reduce friction and wear of the slider by setting up pulleys, bearings, positioning sleeves, and through rods. The bearings and pulleys are lubricated through oil-filled structures, extending their service life, and at the same time facilitating the disassembly and assembly and maintenance of equipment.
It effectively reduces the wear level of the slider, extends its service life, reduces maintenance costs, and improves the machining accuracy of the punch.
Smart Images

Figure CN222725291U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of punching machine equipment, in particular to a slider connecting rod mechanism of a punching machine. Background Art
[0002] A punch press is a stamping press. Compared with traditional machining methods, it can effectively save materials and energy, has high efficiency, does not require high technical skills from operators, and can produce products that cannot be achieved by machining through various mold applications. Therefore, its use is becoming more and more extensive. The design principle of a punch press is to convert circular motion into linear motion. The main motor drives the flywheel, which drives the gear, crankshaft or eccentric gear, connecting rod, etc. through the clutch to achieve the linear motion of the slider. The motion from the main motor to the connecting rod is circular motion.
[0003] As a component for converting circular motion into linear motion, the mechanism of the slider and the connecting rod is an important part. Under high-intensity working conditions, the slider is prone to excessive wear and the connecting rod will also be damaged, thus affecting the processing accuracy. However, today's equipment is not convenient for disassembly, maintenance and replacement, and the slider slides directly in the track and is subject to greater friction, so its service life is more limited, resulting in an increase in the maintenance and use costs of the punch press. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] The purpose of the utility model is to provide a slider-connecting rod mechanism of a punching machine to solve the problem raised in the above-mentioned background technology that, under high-intensity working conditions, the slider is prone to excessive wear and the connecting rod is also damaged, thereby affecting the processing accuracy. The current equipment is not convenient for disassembly, maintenance and replacement, and the slider slides directly in the track and is subject to greater friction, so its service life is more limited, resulting in an increase in the maintenance and use costs of the punching machine.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slider-connecting rod mechanism of a punching machine, comprising a rectangular block, a connecting plate is fixedly installed on the upper end of the rectangular block, a fixing plate is fixedly installed on the upper end of the connecting plate, a sliding groove with a lower opening is provided on the inner side of the rectangular block, a through groove connected to the sliding groove is provided on the front side of the rectangular block, a slider body is slidably arranged on the inner side of the sliding groove, a plurality of grooves are equidistantly provided at both ends of the slider body, a pulley is provided in each of the grooves, a through block is fixedly installed on the front end of the slider body, one end of the through block extends to the outside through the through groove, a connecting rod 1 is provided on the front side of the rectangular block, and a connecting rod 2 is provided on the front side of the fixing plate.
[0008] Preferably, a bearing is fixedly installed on the inner side of each pulley, and positioning sleeves are fixedly connected to both ends of the inner ring of the bearing. Both ends of the slider body are symmetrically provided with through holes, and a through rod is arranged in the through hole, and the through rod is clamped with each corresponding inner ring of the bearing.
[0009] Through the above technical solution, the positioning sleeve facilitates the accurate placement of the pulley into the corresponding groove, and the through rod fixes the position of each pulley on one side. When the slider body slides in the slide groove, the rolling surface of each pulley replaces the side surface of the slider body in the slide groove, reducing its friction coefficient, thereby reducing the degree of wear of the slider body when sliding.
[0010] Preferably, threaded studs are fixedly mounted at both ends of the through rod, an outer thread of the threaded stud is threadedly connected to an internal threaded sleeve, a torsion groove is provided on one side of the internal threaded sleeve, and a corresponding placement groove for accommodating each internal threaded sleeve is provided on the slider body.
[0011] Through the above technical solution, the position of the threaded column head is fixed by the internal thread sleeve, the twisting groove facilitates the twisting of the internal thread sleeve, and the placement groove provides a hidden position for the internal thread sleeve.
[0012] Preferably, a main oil filling groove is opened in the middle part of the inner side of the slider body, an oil filling hole connected to the main oil filling groove is opened at the rear end of the slider body, and a plurality of branch oil filling grooves connected to the main oil filling groove are opened inside the slider body, and each branch oil filling groove is connected to each groove on one side away from the main oil filling groove.
[0013] Through the above technical solution, lubricating oil is injected from the oil filling hole, and the lubricating oil is divided from the main oil filling groove into each branch oil filling groove, and then flows into the groove from the branch oil filling groove, and further penetrates into the bearing and the slide groove to lubricate the bearing, and also lubricates the rolling surface of the pulley to reduce its friction coefficient.
[0014] Preferably, a sealing block is provided at the bottom of the rectangular block, and the sealing block is fixedly mounted on the rectangular block by a plurality of fixing bolts.
[0015] Through the above technical solution, the sealing block is sealed with a fixing bolt to seal the bottom of the rectangular block, so as to facilitate the disassembly and assembly of the slider body.
[0016] Preferably, a fixing column is fixedly installed at the front end of the penetration block, a ring sleeve is provided on the outer side of the fixing column, the lower end of the connecting rod one is fixedly installed on the ring sleeve one, and a fixing sleeve is fixedly installed at the front end of the fixing column by fixing bolt two.
[0017] Through the above technical solution, the fixing sleeve is fixed by fixing bolt 2, the fixing sleeve limits the separation of the ring sleeve 1, and the ring sleeve 1 is driven to move when the connecting rod 1 moves, and the ring sleeve 1 pulls the penetration block and the slider body to slide up and down.
[0018] Preferably, a ring sleeve 2 is fixedly installed on the upper end of the connecting rod 1, and a ring sleeve 3 is fixedly installed on the lower end of the connecting rod 2. An internally threaded fixing ring is provided at one end of the ring sleeve 3 and the ring sleeve 2 which are away from each other. The two internally threaded fixing rings are fixedly connected by fixing bolt 3, and the movable sleeves of the ring sleeve 3 and the ring sleeve 2 are arranged on the outside of the threaded section of the fixing bolt 3.
[0019] Through the above technical solution, the two internal threaded fixing rings are connected by fixing bolt three, enclosing ring sleeve three and ring sleeve two in between. When connecting rod two pulls ring sleeve three to move, ring sleeve three will also pull ring sleeve two to move, thereby pulling connecting rod one to move.
[0020] Preferably, a ring sleeve four is fixedly installed on the upper end of the connecting rod two, a rotating shaft is movably provided on the inner side of the fixed plate, the rotating shaft and the ring sleeve four are fixedly connected by fixing bolts four, and the rear end of the rotating shaft is fixedly connected to the shaft of the driving motor of the punch press.
[0021] Through the above technical solution, the shaft of the driving motor of the punch press drives the rotating shaft to rotate, so that the ring sleeve four drives the connecting rod two to rotate around the rotating shaft, and then the connecting rod one is driven up and down by the ring sleeve three and the ring sleeve two, and the penetration block and the slider body are pulled up and down by the ring sleeve one, thereby converting the circular motion into linear motion.
[0022] Compared with the prior art, the utility model provides a slider connecting rod mechanism for a punch press, which has the following beneficial effects:
[0023] 1. The utility model is provided with a rectangular block, a connecting plate, a fixing plate, a slider body, a penetration block, a connecting rod 1, a connecting rod 2, a sealing block, a fixing column, a ring sleeve 1, a fixing sleeve, a ring sleeve 2, a ring sleeve 3, an internal thread fixing ring, a rotating shaft, a ring sleeve 4, etc., and the whole can effectively convert the circular motion of the lower shaft driven by the motor into the linear motion of the slider body, maintain the normal operation of the punch press, and at the same time realize the convenient and fast disassembly and assembly of each connecting part, which is convenient for the maintenance and replacement of each component including the slider body, the connecting rod 1, the connecting rod 2, etc., thereby reducing the maintenance cost and improving the processing accuracy of the device;
[0024] 2. The utility model provides pulleys, bearings, positioning sleeves, through rods, threaded studs, internal thread sleeves, main oil filling grooves, oil filling holes, supporting oil filling grooves, etc. When the slider body slides in the slide groove, the pulley rotates on the outside of the through rod through the bearing, and the rolling surface of each pulley replaces the side surface of the slider body to roll in the slide groove, thereby reducing the friction coefficient, thereby reducing the degree of wear of the slider body during sliding and protecting the slider body. At the same time, the oil filling structure also facilitates lubrication of the bearings and the slide groove, further maintaining the smoothness of the sliding of the slider body, reducing the wear and tear, and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0026] Figure 2 This is a schematic diagram of the overall front view structure of the utility model;
[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of a rectangular block of the utility model;
[0028] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;
[0029] Figure 5 For this utility model Figure 1 The enlarged structural diagram at B in the middle;
[0030] Figure 6 For this utility model Figure 3 Enlarged structural diagram at point C in the middle.
[0031] In the figure: 1, rectangular block; 2, connecting plate; 3, fixing plate; 4, sliding groove; 5, through groove; 6, slider body; 7, through block; 8, groove; 9, pulley; 10, connecting rod one; 11, connecting rod two; 12, bearing; 13, positioning sleeve; 14, perforation; 15, through rod; 16, threaded column head; 17, placement groove; 18, internal thread sleeve; 19, torsion groove; 20, main oil injection groove; 21, oil injection hole; 22, supporting oil injection groove; 23, sealing block; 24, fixing bolt one; 25, fixing column; 26, ring sleeve one; 27, fixing sleeve; 28, fixing bolt two; 29, ring sleeve two; 30, ring sleeve three; 31, internal thread fixing ring; 32, fixing bolt three; 33, rotating shaft; 34, ring sleeve four; 35, fixing bolt four. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] Embodiment 1:
[0034] like Figure 1 , Figure 3 and Figure 6As shown, the utility model provides a slider-connecting rod mechanism of a punching machine, comprising a rectangular block 1, a connecting plate 2 is fixedly installed on the upper end of the rectangular block 1, a fixed plate 3 is fixedly installed on the upper end of the connecting plate 2, a slide groove 4 with a lower opening is provided on the inner side of the rectangular block 1, a through groove 5 connected to the slide groove 4 is provided on the front side of the rectangular block 1, a slider body 6 is slidably provided on the inner side of the slide groove 4, a plurality of grooves 8 are equidistantly provided at both ends of the slider body 6, a pulley 9 is provided in each groove 8, a through block 7 is fixedly installed on the front end of the slider body 6, one end of the through block 7 passes through the through groove 5 and extends to the outside, a connecting rod 10 is provided on the front side of the rectangular block 1, and a connecting rod 2 11 is provided on the front side of the fixed plate 3.
[0035] Specifically, a bearing 12 is fixedly installed on the inner side of each pulley 9, and a positioning sleeve 13 is fixedly connected to both ends of the inner ring of the bearing 12. Through holes 14 are symmetrically opened at both ends of the slider body 6, and a through rod 15 is arranged in the through hole 14, and the through rod 15 is clamped with each corresponding inner ring of the bearing 12. The advantage is that the positioning sleeve 13 facilitates the accurate placement of the pulley 9 into the corresponding groove 8, and the through rod 15 fixes the position of each pulley 9 on one side. When the slider body 6 slides in the slide groove 4, the rolling surface of each pulley 9 replaces the side surface of the slider body 6 to rub in the slide groove 4, reducing its friction coefficient, thereby reducing the degree of wear of the slider body 6 during sliding.
[0036] Specifically, threaded studs 16 are fixedly installed at both ends of the penetration rod 15, the outer side of the threaded stud 16 is threadedly connected with an internal thread sleeve 18, a twisting groove 19 is provided on one side of the internal thread sleeve 18, and a corresponding placement groove 17 for accommodating each internal thread sleeve 18 is provided on the slider body 6. The advantage is that the position of the threaded stud 16 passing through is fixed by the internal thread sleeve 18, the twisting groove 19 facilitates twisting of the internal thread sleeve 18, and the placement groove 17 provides a hidden position for the internal thread sleeve 18.
[0037] Specifically, a main oil filling groove 20 is provided in the middle of the inner side of the slider body 6, an oil filling hole 21 connected to the main oil filling groove 20 is provided at the rear end of the slider body 6, and a plurality of branch oil filling grooves 22 connected to the main oil filling groove 20 are provided inside the slider body 6, and a side of each branch oil filling groove 22 away from the main oil filling groove 20 is correspondingly connected to each groove 8. The advantage is that the lubricating oil is injected from the oil filling hole 21, and the lubricating oil is divided from the main oil filling groove 20 into each branch oil filling groove 22, and then flows into the groove 8 from the branch oil filling groove 22, and further penetrates into the bearing 12 and the slide groove 4, lubricating the bearing 12, and also lubricating the rolling surface of the pulley 9, reducing its friction coefficient.
[0038] Embodiment 2:
[0039] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, as an improvement to the previous embodiment. Specifically, a sealing block 23 is provided at the bottom of the rectangular block 1, and the sealing block 23 is fixedly mounted on the rectangular block 1 by a plurality of fixing bolts 24. The advantage is that the sealing block 23 is sealed at the bottom of the rectangular block 1 by the fixing bolts 24, which facilitates the disassembly and assembly of the slider body 6.
[0040] Specifically, a fixing column 25 is fixedly installed at the front end of the penetration block 7, a ring sleeve 26 is sleeved on the outer side of the fixing column 25, the lower end of the connecting rod 10 is fixedly installed on the ring sleeve 26, and a fixing sleeve 27 is fixedly installed at the front end of the fixing column 25 by a fixing bolt 28. The advantage is that the fixing sleeve 27 is fixed by the fixing bolt 28, and the fixing sleeve 27 restricts the separation of the ring sleeve 26. When the connecting rod 10 moves, the ring sleeve 26 is driven to move, and the ring sleeve 26 pulls the penetration block 7 and the slider body 6 to slide up and down.
[0041] Specifically, the upper end of the connecting rod 10 is fixedly mounted with a ring sleeve 29, and the lower end of the connecting rod 2 11 is fixedly mounted with a ring sleeve 30. An end of the ring sleeve 30 and the ring sleeve 29 that are away from each other is provided with an internal thread fixing ring 31. The two internal thread fixing rings 31 are fixedly connected by fixing bolts 32, and the ring sleeve 30 and the ring sleeve 29 are movably sleeved outside the threaded section of the fixing bolts 32. The advantage is that the two internal thread fixing rings 31 are connected by fixing bolts 32, and the ring sleeve 30 and the ring sleeve 29 are surrounded therein. When the connecting rod 2 11 pulls the ring sleeve 30 to move, the ring sleeve 30 also pulls the ring sleeve 29 to move, thereby pulling the connecting rod 10 to move.
[0042] Specifically, a ring sleeve 4 34 is fixedly installed on the upper end of the connecting rod 2 11, and a rotating shaft 33 is movably provided on the inner side of the fixing plate 3, and the rotating shaft 33 and the ring sleeve 4 34 are fixedly connected by fixing bolts 4 35, and the rear end of the rotating shaft 33 is fixedly connected to the shaft of the driving motor of the punch press. The advantage is that the rotating shaft 33 is driven to rotate by the shaft of the driving motor of the punch press, so that the ring sleeve 4 34 drives the connecting rod 2 11 to rotate around the rotating shaft 33, and then drives the connecting rod 1 10 to move up and down through the ring sleeve 3 30 and the ring sleeve 2 29, and pulls the penetration block 7 and the slider body 6 to move up and down through the ring sleeve 1 26, thereby converting the circular motion into a linear motion.
[0043] When in use, each component can be fixedly installed by corresponding bolts, etc. When the driving motor of the punch press is started, the motor shaft drives the rotating shaft 33 to rotate, so that the ring sleeve 4 34 drives the connecting rod 2 11 to rotate around the rotating shaft 33, and then drives the connecting rod 10 up and down through the ring sleeve 30 and the ring sleeve 29, and pulls the penetration block 7 up and down through the ring sleeve 1 26, thereby realizing the conversion of circular motion into linear motion of the slider body 6. When the slider body 6 slides in the slide groove 4, the pulley 9 rotates on the outside of the penetration rod 15 through the bearing 12, and each The rolling surface of the pulley 9 replaces the side surface of the slider body 6 to roll in the slide groove 4, reducing its friction coefficient, thereby reducing the degree of wear of the slider body 6 during sliding, protecting the slider body 6, and during lubrication operation, it is only necessary to disassemble the slider body 6, and then inject lubricating oil from the oil filling hole 21. The lubricating oil flows from the main oil filling groove 20 into each branch oil filling groove 22, and then flows into the groove 8 from the branch oil filling groove 22, and further penetrates into the bearing 12 and the slide groove 4, lubricating the bearing 12, and also lubricating the rolling surface of the pulley 9, reducing its friction coefficient.
[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A slider-connecting rod mechanism of a punch press, comprising a rectangular block (1), characterized in that: A connecting plate (2) is fixedly mounted on the upper end of the rectangular block (1), a fixing plate (3) is fixedly mounted on the upper end of the connecting plate (2), a sliding groove (4) with a lower opening is provided on the inner side of the rectangular block (1), a through groove (5) connected to the sliding groove (4) is provided on the front side of the rectangular block (1), a slider body (6) is slidably arranged on the inner side of the sliding groove (4), a plurality of grooves (8) are evenly spaced at both ends of the slider body (6), a pulley (9) is arranged in each of the grooves (8), a through block (7) is fixedly mounted on the front end of the slider body (6), one end of the through block (7) passes through the through groove (5) and extends to the outside, a connecting rod 1 (10) is provided on the front side of the rectangular block (1), and a connecting rod 2 (11) is provided on the front side of the fixing plate (3).
2. The slider-connecting rod mechanism of a punch press according to claim 1, characterized in that: A bearing (12) is fixedly installed on the inner side of each pulley (9), and positioning sleeves (13) are fixedly connected to the inner rings of the bearings (12) at both ends. Through holes (14) are symmetrically opened at both ends of the slider body (6), and a through rod (15) is arranged in the through hole (14), and the through rod (15) is clamped with the inner ring of each corresponding bearing (12).
3. The slider-connecting rod mechanism of a punch press according to claim 2, characterized in that: Threaded studs (16) are fixedly mounted at both ends of the penetration rod (15); an outer side of the threaded stud (16) is threadedly connected to an internal threaded sleeve (18); a twisting groove (19) is provided on one side of the internal threaded sleeve (18); and a corresponding placement groove (17) for accommodating each internal threaded sleeve (18) is provided on the slider body (6).
4. The slider-connecting rod mechanism of a punching machine according to claim 1, characterized in that: A main oil filling groove (20) is provided in the middle of the inner side of the slider body (6), an oil filling hole (21) connected to the main oil filling groove (20) is provided at the rear end of the slider body (6), and a plurality of branch oil filling grooves (22) connected to the main oil filling groove (20) are provided inside the slider body (6), and a side of each branch oil filling groove (22) away from the main oil filling groove (20) is connected to each groove (8) accordingly.
5. The slider-connecting rod mechanism of a punching machine according to claim 1, characterized in that: A sealing block (23) is provided at the bottom of the rectangular block (1), and the sealing block (23) is fixedly mounted on the rectangular block (1) by means of a plurality of fixing bolts (24).
6. The slider-connecting rod mechanism of a punching machine according to claim 1, characterized in that: A fixing column (25) is fixedly mounted on the front end of the penetration block (7), a ring sleeve (26) is sleeved on the outer side of the fixing column (25), the lower end of the connecting rod (10) is fixedly mounted on the ring sleeve (26), and a fixing sleeve (27) is fixedly mounted on the front end of the fixing column (25) via a fixing bolt (28).
7. The slider-connecting rod mechanism of a punching machine according to claim 1, characterized in that: The upper end of the connecting rod one (10) is fixedly mounted with a ring sleeve two (29), and the lower end of the connecting rod two (11) is fixedly mounted with a ring sleeve three (30), and the ends of the ring sleeve three (30) and the ring sleeve two (29) that are away from each other are provided with an internal thread fixing ring (31), and the two internal thread fixing rings (31) are fixedly connected by fixing bolts three (32), and the ring sleeve three (30) and the ring sleeve two (29) are movably sleeved on the outside of the threaded section of the fixing bolts three (32).
8. The slider-connecting rod mechanism of a punching machine according to claim 1, characterized in that: A ring sleeve four (34) is fixedly mounted on the upper end of the second connecting rod (11), and a rotating shaft (33) is movably provided on the inner side of the fixed plate (3) to penetrate through the ring sleeve four (34), the rotating shaft (33) and the ring sleeve four (34) are fixedly connected by fixing bolts four (35), and the rear end of the rotating shaft (33) is fixedly connected to the shaft of the driving motor of the punch press.