Crankshaft box body structure of punching machine

Abstract

The utility model relates to the technical field of punching machines, and discloses a punching machine crankshaft box body structure which comprises a main body, a belt wheel installation hole is formed in the front face of the main body, a sealing sleeve is installed on the front face of the main body, and the sealing sleeve is made of fluororubber. Heat generated by sliding friction between the box body and the crankshaft can be quickly dissipated, excessive temperature rise of the crankshaft caused by continuous heat accumulation is avoided, the durability of the crankshaft is improved to a certain extent, the heat dissipation cost of the crankshaft is reduced, the situation that the crankshaft deforms due to high temperature is also avoided, and therefore the stability of the device is improved, and the service life of the device is prolonged. The concave guide groove is formed in the inner surface of the crankshaft output shaft fixing hole, the contact area between the inner wall of the crankshaft output shaft fixing hole and the crankshaft output shaft is greatly reduced, meanwhile, a heat dissipation channel is formed between the box body and the crankshaft, and the heat dissipation efficiency of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of punching presses, in particular to a punching press crankshaft box structure. Background Art

[0002] A punching press is a commonly used stamping device in the mechanical field, mainly used for the forming of sheet materials, and has the advantages of saving materials and energy compared with traditional processes.

[0003] According to the search, the Chinese patent document, publication number: CN213383111U, discloses a punching press crankshaft box structure. In this punching press crankshaft box structure, a pressure block is fixed on the top of the box body, and a guide post is arranged in cooperation with the bearing seat inside the box body through the pressure block to position and guide the up and down movement of the slider, having the advantages of better overall stamping stability and higher precision. However, this punching press crankshaft box structure still has defects during use. The device is not provided with a heat dissipation component, and heat will continuously accumulate, resulting in too large a temperature rise. The crankshaft may be deformed due to high temperature and get stuck with the box body, etc., thus affecting the service life of the crankshaft on the punching press. And the contact area between the inner wall of the output shaft of the crankshaft and the box body of this device is relatively large, making it difficult for heat to dissipate during use. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a punching press crankshaft box structure. By setting heat dissipation openings, multiple heat dissipation openings are arranged on the main body, which can quickly disperse the heat generated by the sliding friction between the box body and the crankshaft, avoiding the situation that the heat continuously accumulates and causes too large a temperature rise of the crankshaft. To a certain extent, the durability of the crankshaft is improved and the heat dissipation cost of the crankshaft is reduced, and the occurrence of situations such as the crankshaft being deformed due to high temperature is also avoided, thereby improving the stability of the device. By arranging concave guide grooves on the inner surface of the fixed hole of the crankshaft output shaft, the contact area between the inner wall of the fixed hole of the crankshaft output shaft and the crankshaft output shaft is greatly reduced. At the same time, a heat dissipation channel is formed between the box body and the crankshaft, further improving the heat dissipation efficiency of the device, and solving the above technical problems.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A punching press crankshaft box structure, including a main body, a pulley mounting hole is opened on the front surface of the main body, and a sealing sleeve is installed on the front surface of the main body;

[0008] The material of the sealing sleeve is fluororubber, and a plurality of connecting rod mounting holes are opened on the left and right end faces of the main body.

[0009] Preferably, the sizes of the connecting rod mounting holes are the same, and a heat dissipation mounting groove is opened on each of the left and right end faces of the main body.

[0010] Through the above technical solution, providing a heat dissipation installation groove at each of the left and right end faces of the main body can improve the space utilization rate of the main body, thereby enhancing the space utilization rate of the device.

[0011] Preferably, a plurality of heat dissipation openings are provided inside the heat dissipation installation groove, and all the heat dissipation openings penetrate the main body.

[0012] Through the above technical solution, providing a plurality of heat dissipation openings on the main body can quickly dissipate the heat generated by the sliding friction between the box body and the crankshaft, avoiding excessive temperature rise of the crankshaft caused by continuous heat accumulation, improving the durability of the crankshaft to a certain extent, reducing the heat dissipation cost of the crankshaft, and also preventing the occurrence of situations such as deformation of the crankshaft due to high temperature, thereby enhancing the stability of the device.

[0013] Preferably, a reinforcing plate is fixedly provided on the inner rear end face of the main body, and a crankshaft output shaft fixing hole is provided on the inner rear end face of the main body.

[0014] Through the above technical solution, providing a reinforcing plate on the inner rear end face of the main body is used to increase the overall strength of the box body to prevent deformation, further enhancing the stability of the device.

[0015] Preferably, a fixing groove is provided on the rear end face of the main body, and a crankshaft bottom plate mounting hole is provided on the lower end face of the main body.

[0016] Through the above technical solution, providing a crankshaft bottom plate mounting hole on the lower end face of the main body can strengthen the installation and fixation of the crankshaft, enabling the crankshaft to be fixed in all aspects inside the main body, preventing the crankshaft from loosening inside the main body and causing situations such as detachment.

[0017] Preferably, heat dissipation fins are installed inside the heat dissipation installation groove, and the material of the heat dissipation fins is set as aluminum alloy.

[0018] Through the above technical solution, setting the material of the heat dissipation fins as aluminum alloy not only has the characteristics of good thermal conductivity, high strength, and good corrosion resistance, but also has the characteristics of light weight and relatively low price, further enhancing the practicality of the device.

[0019] Preferably, guide grooves are provided on the inner surface of the crankshaft output shaft fixing hole, and four guide grooves are provided around the crankshaft output shaft fixing hole.

[0020] Through the above technical solution, by providing concave guide grooves on the inner surface of the crankshaft output shaft fixing hole, the contact area between the inner wall of the crankshaft output shaft fixing hole and the crankshaft output shaft is greatly reduced, and at the same time, a heat dissipation channel is formed between the box body and the crankshaft, further enhancing the heat dissipation efficiency of the device.

[0021] Compared with the prior art, the utility model provides a punching press crankshaft box structure, which has the following

[0022] Advantageous effects:

[0023] By setting heat dissipation openings on the main body, the utility model can quickly disperse the heat generated by the sliding friction between the box body and the crankshaft, avoiding the continuous accumulation of heat leading to excessive temperature rise of the crankshaft. To a certain extent, it improves the durability of the crankshaft and reduces the heat dissipation cost of the crankshaft, and also avoids the occurrence of situations such as crankshaft deformation due to high temperature, thereby improving the stability of the device. By setting concave guide grooves on the inner surface of the fixed hole of the crankshaft output shaft, the contact area between the inner wall of the fixed hole of the crankshaft output shaft and the crankshaft output shaft is greatly reduced, and at the same time, a heat dissipation channel is formed between the box body and the crankshaft, further improving the heat dissipation efficiency of the device. Description of the drawings

[0024] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 is a partial three-dimensional structure schematic diagram of the utility model;

[0026] Figure 3 is a partial three-dimensional sectional structure schematic diagram of the back of the utility model;

[0027] Figure 4 is a front sectional structure schematic diagram of the utility model;

[0028] Figure 5 is a plane structure schematic diagram of the utility model.

[0029] Among them: 1. Main body; 2. Belt pulley mounting hole; 3. Sealing sleeve; 4. Connecting rod mounting hole; 5. Heat dissipation mounting groove; 6. Heat dissipation opening; 7. Reinforcement plate; 8. Crankshaft output shaft fixing hole; 9. Fixed groove; 10. Crankshaft bottom plate mounting hole; 11. Heat dissipation fin; 12. Guide groove. Specific implementation manners

[0030] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the utility model.

[0031] Embodiment 1:

[0032] Such as Figures 1-5As shown in the figure, a punching press crankshaft box structure provided by the utility model includes a main body 1. A pulley mounting hole 2 is provided on the front surface of the main body 1, and a sealing sleeve 3 is mounted on the front surface of the main body 1;

[0033] The sealing sleeve 3 is made of fluororubber, and a plurality of connecting rod mounting holes 4 are provided on the left and right end faces of the main body 1.

[0034] Specifically, the sizes of the connecting rod mounting holes 4 are the same, and a heat dissipation mounting groove 5 is provided on each of the left and right end faces of the main body 1. The advantage is that providing a heat dissipation mounting groove 5 on each of the left and right end faces of the main body 1 can improve the space utilization rate of the main body 1, thereby improving the space utilization rate of the device.

[0035] Specifically, a plurality of heat dissipation openings 6 are provided on the inner side of the heat dissipation mounting groove 5, and the heat dissipation openings 6 all penetrate through the main body 1. The advantage is that providing a plurality of heat dissipation openings 6 on the main body 1 can quickly dissipate the heat generated by the sliding friction between the box body and the crankshaft, avoiding the continuous accumulation of heat leading to excessive temperature rise of the crankshaft, improving the durability of the crankshaft to a certain extent and reducing the heat dissipation cost of the crankshaft, and also avoiding the occurrence of situations such as the deformation of the crankshaft due to high temperature, thereby improving the stability of the device.

[0036] Specifically, a reinforcing plate 7 is fixedly provided on the inner rear end face of the main body 1, and a crankshaft output shaft fixing hole 8 is provided on the inner rear end face of the main body 1. The advantage is that providing a reinforcing plate 7 on the inner rear end face of the main body 1 is used to increase the overall strength of the box body to prevent deformation and further improve the stability of the device.

[0037] Embodiment 2:

[0038] As Figures 1-5 shown, as an improvement to the previous embodiment. Specifically, a fixing groove 9 is provided on the rear end face of the main body 1, and a crankshaft bottom plate mounting hole 10 is provided on the lower end face of the main body 1. The advantage is that providing a crankshaft bottom plate mounting hole 10 on the lower end face of the main body 1 can strengthen the installation and fixation of the crankshaft, enabling the crankshaft to be fixed in all directions inside the main body 1 and preventing the crankshaft from loosening inside the main body 1 and causing situations such as falling off.

[0039] Specifically, heat dissipation fins 11 are installed inside the heat dissipation mounting groove 5, and the material of the heat dissipation fins 11 is set as aluminum alloy. The advantage is that setting the material of the heat dissipation fins 11 as aluminum alloy not only has the characteristics of good thermal conductivity, high strength, and good corrosion resistance, but also has the characteristics of light weight and relatively low price, further improving the practicability of the device.

[0040] Specifically, guide grooves 12 are provided on the inner surface of the crankshaft output shaft fixing hole 8, and four guide grooves 12 are provided around the crankshaft output shaft fixing hole 8. The advantage is that by providing the concave guide grooves 12 on the inner surface of the crankshaft output shaft fixing hole 8, the contact area between the inner wall of the crankshaft output shaft fixing hole 8 and the crankshaft output shaft is greatly reduced, and at the same time, a heat dissipation channel is formed between the box body and the crankshaft, further improving the heat dissipation efficiency of the device.

[0041] Working principle: First, the crankshaft can be installed through the connecting rod mounting hole 4, the crankshaft output shaft fixing hole 8, and the crankshaft bottom plate mounting hole 10. Through the above components, the crankshaft is fixed in all aspects inside the main body 1, preventing the crankshaft from loosening inside the main body 1 and causing situations such as falling off, thereby improving the stability of the device. And a heat dissipation mounting groove 5 is provided on each of the left and right end faces of the main body 1, which can improve the space utilization rate of the main body 1, thereby improving the space utilization rate of the device. And a plurality of heat dissipation openings 6 are provided on the main body 1, which can quickly dissipate the heat generated by the sliding friction between the box body and the crankshaft, avoiding the continuous accumulation of heat and resulting in excessive temperature rise of the crankshaft. To a certain extent, the durability of the crankshaft is improved and the heat dissipation cost of the crankshaft is reduced, and the situation of the crankshaft deforming due to high temperature is also avoided, thereby improving the stability of the device. And a reinforcing plate 7 is provided on the inner rear end face of the main body 1 to increase the overall strength of the box body and prevent deformation, further improving the stability of the device. And the material of the heat dissipation fins 11 is set as aluminum alloy, which not only has the characteristics of good thermal conductivity, high strength, and good corrosion resistance, but also has the characteristics of light weight and relatively low price, further improving the practicability of the device. By providing the concave guide grooves 12 on the inner surface of the crankshaft output shaft fixing hole 8, the contact area between the inner wall of the crankshaft output shaft fixing hole 8 and the crankshaft output shaft is greatly reduced, and at the same time, a heat dissipation channel is formed between the box body and the crankshaft, further improving the heat dissipation efficiency of the device.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A punching machine crankcase structure, comprising a main body (1), characterized in that: A pulley mounting hole (2) is provided on the front of the main body (1), and a sealing sleeve (3) is installed on the front of the main body (1); The sealing sleeve (3) is made of fluororubber. The left and right end surfaces of the main body (1) are provided with a plurality of connecting rod mounting holes (4), and the connecting rod mounting holes (4) are of the same size. The left and right end surfaces of the main body (1) are respectively provided with a heat dissipation mounting groove (5). The inner side of the heat dissipation mounting groove (5) is provided with a plurality of heat dissipation ports (6), and the heat dissipation ports (6) all penetrate the main body (1). A heat dissipation fin (11) is installed inside the heat dissipation mounting groove (5), and the material of the heat dissipation fin (11) is set to be aluminum alloy.

2. A punch press crankcase structure according to claim 1, characterized in that: A reinforcing plate (7) is fixedly arranged on the inner rear end surface of the main body (1), and a crankshaft output shaft fixing hole (8) is opened on the inner rear end surface of the main body (1).

3. The punch press crankcase structure according to claim 1, characterized in that: The rear end surface of the main body (1) is provided with a fixing groove (9), and the lower end surface of the main body (1) is provided with a crankshaft bottom plate mounting hole (10).

4. The punch press crankcase structure according to claim 2, characterized in that: The inner surface of the crankshaft output shaft fixing hole (8) is provided with a guide groove (12), and four guide grooves (12) are provided around the crankshaft output shaft fixing hole (8).

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