Cutting mechanism of assembly machine

Abstract

The utility model discloses a cutting mechanism of an assembly machine, which belongs to the technical field of die stamping design and comprises a motor fixing plate, a motor mounting plate arranged on the motor fixing plate, a motor mounted on the motor mounting plate, an eccentric shaft connected with an output shaft of the motor, an eccentric wheel set mounted on the eccentric shaft and connected with the upper end of a driving rod, and a driving rod connected with the upper end of the driving rod. The lower end of the driving rod is connected with an upper die plate, a lower die base of the die is arranged below the upper die plate, a die clamping plate is connected below the upper die plate, a die stripper plate is arranged below the die clamping plate, a positioning needle is installed below the die stripper plate, and the upper die plate and the die stripper plate are connected in a sliding mode through a connecting pin. A spring is arranged between the upper die plate and the die stripper plate, a lower die plate for placing a product is arranged on the lower die base, a punch is arranged below the upper die plate, a cutter is arranged on the lower die plate, and the punch is matched with the cutter to cut the product. The material cutting machine is high in material cutting speed, low in noise, high in working efficiency and capable of reducing material loss.

Description

Technical Field

[0001] This utility model relates to a cutting mechanism for an assembly machine, belonging to the field of mold stamping design technology. Background Technology

[0002] In existing technologies, the cutting mechanism of assembly machines generally utilizes air supply to cylinders to extend and retract them, thereby pressing down the cylinders to cut spring sheets and terminal waste. The advantage of this structure is its simplicity, but it also has the following drawbacks: 1. Automatic assembly requires three sets of cutting cylinders, necessitating a total air pressure of 7 kg. The on-site air pressure is currently insufficient, leading to uncut terminal waste, frequent jamming within the cutting die, and a large number of scrapped spring sheets, requiring frequent cleaning by employees, severely impacting production efficiency; 2. The slow cylinder cutting speed causes accelerated wear of the cutting tools within the cutting die, resulting in a short service life and frequent replacements; 3. Due to the low and unstable air pressure, the cutting process generates significant noise. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide an assembly machine cutting mechanism that has fast cutting speed, low noise, high working efficiency and can reduce material loss.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A cutting mechanism for an assembly machine includes a motor fixing plate, a motor mounting plate on the motor fixing plate, a motor mounted on the motor mounting plate, an eccentric shaft connected to the output shaft of the motor, an eccentric wheel assembly mounted on the eccentric shaft, the eccentric wheel assembly connected to the upper end of a drive rod, the lower end of the drive rod connected to an upper mold template, a lower mold base below the upper mold template, a mold clamping plate connected below the upper mold template, a mold stripper plate below the mold clamping plate, a positioning pin mounted below the mold stripper plate, a sliding connection between the upper mold template and the mold stripper plate via a connecting pin, a spring between the upper mold template and the mold stripper plate, a lower mold template for placing products on the lower mold base, a punch below the upper mold template, and a cutting tool on the lower mold template, the punch and the cutting tool cooperating to cut the product.

[0006] The motor fixing plate is connected to the lower mold base of the mold by a first guide post, and the upper mold plate is provided with a first guide sleeve for the first guide post to pass through.

[0007] A second guide post is provided below the upper mold plate. The second guide post passes through the mold clamping plate, the mold stripper plate and the lower mold plate. A second guide sleeve is provided on the mold stripper plate for the second guide post to pass through.

[0008] The lower mold template has two positioning plates arranged opposite each other to restrict the product.

[0009] A connecting plate is provided at the lower end of the drive rod, and a fixing plate is provided on the upper template of the mold to hold the connecting plate.

[0010] A waste material feeding mechanism is provided below the lower mold base. The lower mold base and the waste material feeding mechanism are connected by a support plate. An opening for waste material to pass through is provided on the lower mold base, and a waste material collection groove is provided on the waste material feeding mechanism.

[0011] There are four sets of connecting pins and springs, with the connecting pins located inside the springs.

[0012] There are six positioning pins, arranged symmetrically in two rows.

[0013] The beneficial effects of this utility model are as follows: The cutting mechanism for an assembly machine provided by this utility model has an eccentric shaft connected to the output shaft of a motor, an eccentric wheel assembly mounted on the eccentric shaft, the eccentric wheel assembly connected to the upper end of a drive rod, and the lower end of the drive rod connected to the upper template of the mold. This invention applies the eccentric motion structure of the prior art to the cutting mechanism of the assembly machine, replacing the conventional cylinder power form. The rotation of the motor drives the eccentric wheel assembly on the eccentric shaft to rotate, which in turn drives the drive rod to move up and down reciprocally, realizing the up and down movement of the upper template of the mold and achieving the cutting action. This invention overcomes the defects of cylinder drive in the prior art and has the advantages of fast cutting speed, low noise, high working efficiency, and reduced material loss. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a cutting mechanism for an assembly machine according to the present invention;

[0015] Figure 2 for Figure 1 A structural diagram showing the mold clamping plate and mold stripper plate removed;

[0016] Figure 3 for Figure 2 Enlarged schematic diagram of the middle section;

[0017] The reference numerals in the figure are as follows: 1-Motor; 2-Motor fixing plate; 3-Motor mounting plate; 4-Drive rod; 5-First guide post; 6-Upper mold plate; 7-First guide sleeve; 8-Lower mold base; 9-Scrap material cutting and unloading mechanism; 10-Fixing plate; 11-Product; 12-Mold clamping plate; 13-Mold stripping plate; 14-Lower mold plate; 15-Scrap material collection groove; 16-Support plate; 17-Spring; 18-Connecting pin; 19-Positioning pin; 20-Positioning plate; 21-Second guide post; 22-Second guide sleeve. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solution of the present invention more clearly, and should not be used to limit the protection scope of the present invention.

[0019] Example 1

[0020] like Figures 1 to 3 As shown, this utility model discloses a cutting mechanism for an assembly machine, including a motor fixing plate 2, a motor mounting plate 3 on the motor fixing plate 2, a motor 1 mounted on the motor mounting plate 3, an eccentric shaft connected to the output shaft of the motor 1, an eccentric wheel assembly mounted on the eccentric shaft, the eccentric wheel assembly connected to the upper end of a drive rod 4, and the lower end of the drive rod 4 connected to the upper template 6 of the mold. This utility model applies the eccentric motion structure of the prior art to the cutting mechanism of the assembly machine, replacing the conventional cylinder power form. The rotation of the motor drives the eccentric wheel assembly on the eccentric shaft to rotate, which in turn drives the drive rod to reciprocate up and down, realizing the up and down movement of the upper template of the mold, and realizing the cutting action.

[0021] A lower mold base 8 is located below the upper mold plate 6. A mold clamping plate 12 is connected below the upper mold plate 6. A mold stripper plate 13 is located below the mold clamping plate 12. A positioning pin 19 is installed below the mold stripper plate 13. The positioning pin 19 is used to position and clamp the product. The upper mold plate 6 and the mold stripper plate 13 are slidably connected by a connecting pin 18. A spring 17 is provided between the upper mold plate 6 and the mold stripper plate 13, allowing the mold stripper plate 13 to move up and down relative to the upper mold plate 6.

[0022] The lower mold base 8 is provided with a lower mold template 14 for placing products. A punch is provided below the upper mold template 6, and a cutting tool is provided on the lower mold template 14. The punch and the cutting tool work together to cut the products.

[0023] The working principle of this utility model is as follows: the rotation of motor 1 drives the eccentric wheel group on the eccentric shaft to rotate, which in turn drives the drive rod 4 to move up and down reciprocally, realizing the up and down movement of the upper template 6 of the mold. When the upper template 6 of the mold moves downward, it drives the mold clamping plate 12 and the mold stripper plate 13 to move downward as well. The positioning pin 19 on the mold stripper plate 13 first contacts the product to position the product. The upper template 6 of the mold continues to move downward, the spring 17 is compressed, and the punch on the upper template 6 of the mold cooperates with the cutter on the lower template 14 of the mold to cut the product. After the cutting is completed, the motor 1 drives the upper template 6 of the mold to move upward, the spring 17 extends, and the positioning pin 19 on the mold stripper plate 13 separates from the product, realizing the entire cutting process. Then the product is fed in, and the next cutting process is repeated.

[0024] This invention does not require an air source, so the size of the air source has no impact on cutting, eliminating material jamming and improving work efficiency; the motor has a fast cutting speed and strong force, so the blade wear is less. Before the improvement, the blade lifespan was about 7 days, and after the improvement, the blade lifespan is about 20 days; there are no replacement vulnerable parts, only regular lubrication at the linkage mechanism is required; the cutting noise and vibration are low.

[0025] Example 2

[0026] like Figures 1 to 3 As shown, this utility model discloses a cutting mechanism for an assembly machine, including a motor fixing plate 2, a motor mounting plate 3 on the motor fixing plate 2, a motor 1 mounted on the motor mounting plate 3, an eccentric shaft connected to the output shaft of the motor 1, an eccentric wheel assembly mounted on the eccentric shaft, the eccentric wheel assembly connected to the upper end of a drive rod 4, and the lower end of the drive rod 4 connected to the upper template 6 of the mold. A connecting plate 10 is provided at the lower end of the drive rod 4, and a fixing plate 11 that holds the connecting plate 10 is provided on the upper template 6 of the mold. This utility model applies the eccentric motion structure in the prior art to the cutting mechanism of the assembly machine, replacing the conventional cylinder power form. The rotation of the motor drives the eccentric wheel assembly on the eccentric shaft to rotate, which in turn drives the drive rod to reciprocate up and down, realizing the up and down movement of the upper template of the mold, and realizing the cutting action.

[0027] A lower mold base 8 is located below the upper mold plate 6. The motor fixing plate 2 is connected to the lower mold base 8 via a first guide post 5. A first guide sleeve 7 is provided on the upper mold plate 6 for the first guide post 5 to pass through. The first guide post 5 and the first guide sleeve 7 cooperate to provide guidance. A mold clamping plate 12 is connected below the upper mold plate 6. A mold stripper plate 13 is located below the mold clamping plate 12. Positioning pins 19 are installed below the mold stripper plate 13. There are six positioning pins 19, arranged symmetrically in two rows, used for positioning and clamping the product. The upper mold plate 6 and the mold stripper plate 13 are slidably connected by connecting pins 18. A spring 17 is provided between the upper mold plate 6 and the mold stripper plate 13, allowing the mold stripper plate 13 to move up and down relative to the upper mold plate 6. There are four sets of connecting pins 18 and four sets of springs 17, with the connecting pins 18 located within the springs 17. A second guide post 21 is provided below the upper mold plate 6. The second guide post 21 passes through the mold clamping plate 12, the mold stripper plate 13 and the lower mold plate 14. A second guide sleeve 22 is provided on the mold stripper plate 13 for the second guide post 21 to pass through. The second guide post 21 and the second guide sleeve 22 cooperate to achieve guidance.

[0028] The lower mold base 8 is provided with a lower mold template 14 for placing products. Two positioning plates 20 for restricting products are arranged opposite each other on the lower mold template 14. A punch is provided below the upper mold template 6, and a cutting tool is provided on the lower mold template 14. The punch and the cutting tool work together to cut the product.

[0029] A waste material feeding mechanism 9 is provided below the lower mold base 8. The lower mold base 8 and the waste material feeding mechanism 9 are connected by a support plate 16. The lower mold base 8 has an opening for waste material to pass through, and the waste material feeding mechanism 9 has a waste material collection groove 15.

[0030] The above are merely preferred embodiments of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

Claims

1. An assembly machine cutting mechanism characterized by: The utility model relates to a cutting device for product, including motor fixed plate (2), be provided with motor mounting plate (3) on motor fixed plate (2), install motor (1) on motor mounting plate (3), the output shaft of motor (1) is connected with eccentric shaft, install eccentric wheel group on eccentric shaft, eccentric wheel group is connected with the upper end of drive rod (4), the lower end of drive rod (4) is connected with mould upper die plate (6), be provided with mould lower die seat (8) below mould upper die plate (6), be connected with mould clamping plate (12) below mould upper die plate (6), be provided with mould stripping plate (13) below mould clamping plate (12), install positioning needle (19) below mould stripping plate (13), mould upper die plate (6) with mould stripping plate (13) between through connecting pin (18) sliding connection, be provided with spring (17) between mould upper die plate (6) with mould stripping plate (13), be provided with mould lower die plate (14) for placing product on mould lower die seat (8), be provided with punch below mould upper die plate (6), be provided with cutter on mould lower die plate (14), and punch and cutter cooperate and cut the product.

2. The assembly machine cutting mechanism of claim 1, wherein: The motor fixed plate (2) and the mould lower die seat (8) are connected through the first guide column (5), and the first guide sleeve (7) for the first guide column (5) to pass through is arranged on the mould upper die plate (6).

3. The assembly machine cutting mechanism of claim 1, wherein: The second guide column (21) is arranged below the mould upper die plate (6), the second guide sleeve (22) for the second guide column (21) to pass through is arranged on the mould stripping plate (13), and the second guide column (21) passes through the mould clamping plate (12), the mould stripping plate (13) and the mould lower die plate (14).

4. The assembly machine cutting mechanism of claim 1, wherein: The positioning plate (20) for limiting the product is arranged oppositely on the mould lower die plate (14).

5. The assembly machine cutting mechanism of claim 1, wherein: The connecting plate (10) is arranged at the lower end of the drive rod (4), and the fixing plate (11) for clamping the connecting plate (10) is arranged on the mould upper die plate (6).

6. The assembly machine cutting mechanism of claim 1, wherein: The cutting waste discharging mechanism (9) is arranged below the mould lower die seat (8), the mould lower die seat (8) and the cutting waste discharging mechanism (9) are connected through the supporting plate (16), the opening for the waste to pass through is formed in the mould lower die seat (8), and the waste collecting groove (15) is formed in the cutting waste discharging mechanism (9).

7. The assembly machine cutting mechanism of claim 1, wherein: The connecting pin (18) and the spring (17) are all four groups, and the connecting pin (18) is located in the spring (17).

8. The assembly machine cutting mechanism of claim 1, wherein: The six positioning needles (19) are symmetrically arranged in two rows.

Images