Crankshaft connecting rod transmission mechanism of punching machine

Abstract

The utility model discloses a crankshaft connecting rod transmission mechanism of a punching machine, which relates to the technical field of punching machines and comprises a crankshaft, a lower connecting rod seat and an upper connecting rod seat are arranged outside a main journal of the crankshaft, and two ends of the lower connecting rod seat and two ends of the upper connecting rod seat are fixedly connected through two groups of first bolts. Two sets of lower semicircular bearings are symmetrically arranged between the crankshaft and the lower connecting rod seat, two sets of upper semicircular bearings are symmetrically arranged between the crankshaft and the upper connecting rod seat, a cavity is formed in the top of the upper connecting rod seat, a sponge block is arranged in the cavity, lubricating oil is injected into the cavity, the sponge block adsorbs the lubricating oil, and therefore the lubricating oil can be absorbed by the upper connecting rod seat. The sponge block can absorb much lubricating oil for a long time, and the lubricating oil drips between the crankshaft and the lower connecting rod seat and between the crankshaft and the upper connecting rod seat for lubrication through the multiple groups of through holes, so that a long-time lubricating effect can be achieved by adding the lubricating oil once by a worker, the worker does not need to add the lubricating oil frequently, and the worker can use the lubricating oil conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a crankshaft connecting rod transmission mechanism of a punching machine. Background Art

[0002] The design principle of the punch press is to convert circular motion into linear motion. The main motor drives the flywheel, which drives the gears, crankshafts, connecting rods, etc. through the clutch to achieve the linear motion of the slider. The movement from the main motor to the connecting rod is circular motion. It is widely used in stamping and forming work such as electronics, communications, computers, home appliances, furniture, and transportation hardware parts.

[0003] However, the crankshaft and connecting rod have high movement intensity and high lubricating oil consumption during long-term work, and the staff needs to add lubricating oil many times. Therefore, we propose a crankshaft connecting rod transmission mechanism for a punch press. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a crankshaft connecting rod transmission mechanism for a punch press, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a crankshaft-connecting rod transmission mechanism of a punch press, comprising a crankshaft, a lower connecting rod seat and an upper connecting rod seat are arranged outside the main journal of the crankshaft, the two ends of the lower connecting rod seat and the upper connecting rod seat are fixedly connected by two groups of first bolts, two groups of lower semicircular bearings are symmetrically arranged between the crankshaft and the lower connecting rod seat, two groups of upper semicircular bearings are symmetrically arranged between the crankshaft and the upper connecting rod seat, a chamber is opened on the top of the upper connecting rod seat, a sponge block is arranged inside the chamber, and a plurality of through holes are opened on the inner arc surface of the chamber and located between the two groups of upper semicircular bearings.

[0006] As a further technical solution of the utility model, the sizes of the sponge block and the chamber are matched, and the bottom of the sponge block fits with the inner arc surface of the chamber.

[0007] As a further technical solution of the utility model, a cover is provided on the top of the upper connecting rod seat, a sealing gasket is provided between the upper connecting rod seat and the cover, and the corners of the upper connecting rod seat and the cover are fixedly connected by multiple groups of second bolts.

[0008] As a further technical solution of the utility model, an oil filling pipe is connected through the middle of the sealing cover, and a pipe cap is threadedly connected to the top of the oil filling pipe.

[0009] As a further technical solution of the utility model, the bottom center of the lower connecting rod seat is fixedly connected with a fixed screw barrel, the internal thread of the fixed screw barrel is connected with an adjusting screw, the bottom of the adjusting screw is fixedly connected with a hinge ball, and the outer surface of the adjusting screw is fixedly connected with a driving seat. Beneficial Effects

[0010] The utility model provides a punching machine crankshaft connecting rod transmission mechanism. Compared with the prior art, it has the following beneficial effects:

[0011] 1. A crankshaft connecting rod transmission mechanism of a punch press, wherein lubricating oil is injected into a chamber, and the lubricating oil is absorbed by a sponge block. The sponge block can absorb a large amount of lubricating oil for a long time, and the lubricating oil drips through multiple groups of through holes between the crankshaft and the lower connecting rod seat and the upper connecting rod seat for lubrication, so that the staff can achieve a long-term lubrication effect by adding lubricating oil once, and the staff does not need to add lubricating oil frequently, so that the staff can use it.

[0012] 2. A crankshaft connecting rod transmission mechanism of a punch press, wherein the state of a sponge block can be observed through a cover with a transparent structure, and lubricating oil can be injected into the chamber in time when the sponge block is dry. When the sponge block is aged, the cover can be opened by removing multiple sets of second bolts to replace the sponge block. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a crankshaft connecting rod transmission mechanism of a punch press;

[0014] Figure 2 It is a top view of a crankshaft connecting rod transmission mechanism of a punch press;

[0015] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0016] Figure 4 It is a structural schematic diagram of a punching machine crankshaft connecting rod transmission mechanism without a crankshaft;

[0017] Figure 5 The figure is a schematic diagram of the structure of a crankshaft connecting rod transmission mechanism of a punch press.

[0018] In the figure: 1. crankshaft; 2. lower connecting rod seat; 3. upper connecting rod seat; 4. lower semicircular bearing; 5. upper semicircular bearing; 6. first bolt; 7. chamber; 8. sponge block; 9. through hole; 10. cover; 11. second bolt; 12. oil filling pipe; 13. pipe cover; 14. sealing gasket; 15. fixing screw barrel; 16. adjusting screw; 17. articulated ball; 18. driving seat. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-5 The utility model provides a technical solution for a crankshaft connecting rod transmission mechanism of a punch press: a crankshaft connecting rod transmission mechanism of a punch press, comprising a crankshaft 1, a lower connecting rod seat 2 and an upper connecting rod seat 3 are arranged outside the main journal of the crankshaft 1, two ends of the lower connecting rod seat 2 and the upper connecting rod seat 3 are fixedly connected by two groups of first bolts 6, two groups of lower semicircular bearings 4 are symmetrically arranged between the crankshaft 1 and the lower connecting rod seat 2, two groups of upper semicircular bearings 5 ​​are symmetrically arranged between the crankshaft 1 and the upper connecting rod seat 3, a chamber 7 is provided on the top of the upper connecting rod seat 3, a sponge block 8 is provided inside the chamber 7, a plurality of through holes 9 are provided on the inner arc surface of the chamber 7 and located between the two groups of upper semicircular bearings 5, and the sponge block 8 and the chamber 7 is adapted to the size of the chamber 7, the bottom of the sponge block 8 is fitted with the inner arc surface of the chamber 7, a cover 10 is provided on the top of the upper connecting rod seat 3, a sealing gasket 14 is provided between the upper connecting rod seat 3 and the cover 10, the upper connecting rod seat 3 and the corner of the cover 10 are fixedly connected by multiple groups of second bolts 11, an oil filling pipe 12 is connected through the middle of the cover 10, the top of the oil filling pipe 12 is threadedly connected to a pipe cover 13, the bottom center of the lower connecting rod seat 2 is fixedly connected to a fixed screw barrel 15, the internal thread of the fixed screw barrel 15 is connected to an adjusting screw 16, the bottom of the adjusting screw 16 is fixedly connected to a hinged ball 17, and the outer surface of the adjusting screw 16 is fixedly connected to a driving seat 18.

[0021] It should be noted that the lower connecting rod seat 2 and the upper connecting rod seat 3 are rotatably connected to the main journal of the crankshaft 1 through two sets of lower semicircular bearings 4 and two sets of upper semicircular bearings 5;

[0022] The cover 10 is a transparent structure, which makes it easy to observe the dry state of the sponge block 8 so as to add lubricating oil in time;

[0023] By rotating the driving seat 18 with the aid of a tool, the adjusting screw 16 is driven to rotate inside the fixed screw barrel 15 , thereby adjusting the position of the articulated ball 17 . This structure can adjust the reciprocating travel distance of the articulated ball 17 .

[0024] The working principle of the utility model is as follows: when in use, firstly, the pipe cover 13 is rotated to open, and lubricating oil can be injected into the chamber 7 through the oil injection pipe 12, and the lubricating oil is absorbed by the sponge block 8, and the pipe cover 13 is rotated and closed after the injection is completed, and the sponge block 8 can absorb more lubricating oil for a long time, and the lubricating oil drips through multiple groups of through holes 9 between the crankshaft 1 and the lower connecting rod seat 2 and the upper connecting rod seat 3, and between the two groups of lower semicircular bearings 4 and the two groups of upper semicircular bearings 5, so as to achieve a lubricating effect, so that the staff can achieve a long-term lubricating effect by adding lubricating oil once, and the staff does not need to add lubricating oil frequently, so that the staff can use it;

[0025] The state of the sponge block 8 can be observed through the transparent cover 10. In a dry state, lubricating oil can be injected into the chamber 7. When the sponge block 8 is aged, the cover 10 can be opened by removing multiple sets of second bolts 11 to replace the sponge block 8.

Claims

1. A crankshaft-connecting rod transmission mechanism for a punch press, comprising a crankshaft (1), characterized in that: A lower connecting rod seat (2) and an upper connecting rod seat (3) are arranged outside the main journal of the crankshaft (1); the two ends of the lower connecting rod seat (2) and the upper connecting rod seat (3) are fixedly connected by two groups of first bolts (6); two groups of lower semicircular bearings (4) are symmetrically arranged between the crankshaft (1) and the lower connecting rod seat (2); two groups of upper semicircular bearings (5) are symmetrically arranged between the crankshaft (1) and the upper connecting rod seat (3); a chamber (7) is provided at the top of the upper connecting rod seat (3); a sponge block (8) is provided inside the chamber (7); and a plurality of through holes (9) are provided on the inner arc surface of the chamber (7) and between the two groups of upper semicircular bearings (5).

2. A punch press crankshaft connecting rod transmission mechanism according to claim 1, characterized in that: The sizes of the sponge block (8) and the chamber (7) are matched, and the bottom of the sponge block (8) fits the inner arc surface of the chamber (7).

3. A punch press crankshaft connecting rod transmission mechanism according to claim 1, characterized in that: A cover (10) is provided on the top of the upper connecting rod seat (3), a sealing gasket (14) is provided between the upper connecting rod seat (3) and the cover (10), and the corners of the upper connecting rod seat (3) and the cover (10) are fixedly connected by a plurality of sets of second bolts (11).

4. A punching machine crankshaft connecting rod transmission mechanism according to claim 3, characterized in that: An oil filling pipe (12) is connected through the middle of the sealing cover (10), and a pipe cover (13) is threadedly connected to the top of the oil filling pipe (12).

5. The punch press crankshaft connecting rod transmission mechanism according to claim 1, characterized in that: A fixed screw barrel (15) is fixedly connected to the center of the bottom end of the lower connecting rod seat (2), an adjusting screw rod (16) is internally threadedly connected to the fixed screw barrel (15), a hinge ball (17) is fixedly connected to the bottom of the adjusting screw rod (16), and a driving seat (18) is fixedly connected to the outer surface of the adjusting screw rod (16).

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