Pushing cake mechanism for extruder

Abstract

The utility model relates to aluminium profile extruding machine technical field, specifically disclose a kind of cake pushing mechanism for extruding machine, including the motor protection shell being installed on extruding machine ontology, motor is installed in the motor protection shell, the one end outside of the motor shaft of motor protection shell near motor is clamped with cake pushing rod, the cake pushing rod is driven to carry out linear reciprocating motion by motor, and one end of the cake pushing rod is provided with cake pressing positioning column;The cake pushing mechanism for extruding machine is by being arranged in motor protection shell inside motor, prevent the invasion of external aluminium scrap to motor, and the utility model is by motor driving cake pushing rod reciprocating movement, to utilize cake pushing rod to push cake pressing head, not directly using driving piece to push cake pressing head in traditional way, to effectively protect motor, improve the service life of motor, to prevent the movement stroke of cake pushing rod shortening and cause the phenomenon of cake pressing head feeding failure, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of aluminum profile extrusion press technology, and more specifically, to a pressing mechanism for an extrusion press. Background Technology

[0002] In the aluminum profile extrusion process, the heated aluminum rod and the pressing head are first fed onto the feeding bracket. Then, by lifting the feeding bracket, the aluminum rod and the pressing head are sent between the extrusion rod and the extrusion die. By moving the extrusion rod, it pushes against the pressing head, which then presses against the aluminum rod, forcing it into the extrusion die for extrusion shaping. Once the pressing head reaches the extrusion die, the excess material in the aluminum rod is cut off. During this extrusion process, because the aluminum rod has a certain temperature, the function of the pressing head is to prevent the extrusion rod from directly contacting the aluminum rod and causing them to stick together.

[0003] However, existing pressing head pushing mechanisms all use hydraulic cylinders or solenoid valves to control the movement of the pressing rod to push the pressing head into the lifting and feeding bracket. But as time goes by, the hydraulic cylinder is prone to internal leakage due to wear, resulting in a shortened pushing stroke. The valve core and valve sleeve of the solenoid valve gradually increase due to friction, which may cause the valve core to deviate during movement and fail to reach the design position completely. Moreover, aluminum chips are also prone to getting stuck in the gap between the valve core and valve sleeve of the solenoid valve over time, hindering the complete movement of the valve core and causing insufficient stroke. Ultimately, all of these factors will cause the pressing head to fail to push into the lifting and feeding bracket, resulting in the shutdown of the aluminum profile extrusion press and thus affecting production efficiency. Utility Model Content

[0004] In order to overcome the defects of the existing technology, this utility model provides a cake pushing mechanism for an extruder, which aims to solve the above-mentioned problems.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a cake pushing mechanism for an extruder, including a motor protective shell installed on the extruder body, a motor installed inside the motor protective shell, a cake pushing rod being snapped onto the outer side of one end of the motor protective shell near the motor shaft, the cake pushing rod being driven by the motor to perform linear reciprocating motion, and a cake pressing positioning post being provided at one end of the cake pushing rod.

[0006] In the above-mentioned extruder pusher mechanism, a connecting side plate is installed on one side of the motor protective shell. The connecting side plate has a shaft hole through which the motor shaft can be accommodated. A drive gear is installed at the end of the motor shaft. A toothed section is provided on the surface of the middle part of one side of the pusher rod. The drive gear meshes with the toothed section.

[0007] In the above-mentioned extruder pushing mechanism, a first positioning wheel, a second positioning wheel, and a third positioning wheel are also installed on the connecting side plate. The first positioning wheel and the second positioning wheel are respectively located on both sides of the drive gear, and the third positioning wheel is located below the drive gear. The first positioning wheel, the second positioning wheel, and the third positioning wheel form a triangular distribution on the connecting side plate, so that the lower parts of the first positioning wheel and the second positioning wheel and the upper parts of the third positioning wheel form a clamping area, and the pushing rod is engaged in the clamping area.

[0008] In the above-mentioned extruder pusher mechanism, the first positioning wheel, the second positioning wheel, and the third positioning wheel are all H-beam wheels.

[0009] In the above-mentioned extruder pushing mechanism, a pressing plate input groove is provided on one side of the lower end of the extruder body, the motor protective shell is installed on one side of the output end of the pressing plate input groove, and the pushing rod corresponds to the output end of the pressing plate input groove.

[0010] The beneficial effects of this utility model are as follows: by placing the motor inside the motor protective housing, the motor is prevented from being intruded by external aluminum shavings. Moreover, this utility model uses the motor to drive the pusher rod to move back and forth, thereby using the pusher rod to push the pressing head, instead of the traditional method of directly using a drive component to push the pressing head. This effectively protects the motor, improves its service life, and prevents the pressing head from failing to feed due to a shortened travel of the pusher rod, thus improving production efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of the cake pushing mechanism and the extruder body.

[0012] Figure 2 This is a side view of the cake-pushing mechanism and the extruder body.

[0013] Figure 3 This is a three-dimensional structural diagram of the cake-pushing mechanism.

[0014] In the figure: 1. Extruder body; 2. Pressing plate input groove; 3. Pressing plate pushing mechanism; 4. Motor protective shell; 5. Motor; 6. Connecting side plate; 7. Shaft hole; 8. Drive gear; 9. First positioning wheel; 10. Second positioning wheel; 11. Third positioning wheel; 12. Pressing plate pushing rod; 13. Tooth section; 14. Pressing plate positioning column. Detailed Implementation

[0015] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0016] Combination Figures 1 to 3 The extruder pusher mechanism shown includes a motor housing 4 mounted on the extruder body 1. A motor 5 is installed inside the motor housing 4. A pusher rod 12 is snapped onto the outer side of one end of the motor housing 4 near the motor shaft of the motor 5. The pusher rod 12 is driven by the motor 5 to perform linear reciprocating motion. A pressing positioning post 14 is provided at one end of the pusher rod 12. A positioning hole is provided on one side of the pressing head, allowing the pressing positioning post 14 to be inserted into and pushed, enabling the pressing head to be pushed more accurately into the designated position. A pressing input groove 2 is provided on one side of the lower end of the extruder body 1. The protective shell 4 is installed on one side of the output end of the pressing plate input groove 2, and the pushing rod 12 corresponds to the output end of the pressing plate input groove 2. In this embodiment, the motor 5 is placed inside the motor protective shell 4 to prevent the motor 4 from being invaded by external aluminum shavings. Moreover, this utility model uses the motor to drive the pushing rod 12 to move back and forth, thereby using the pushing rod 12 to push the pressing plate head, instead of the traditional method of directly using a drive component to push the pressing plate head. This effectively protects the motor 5, improves the service life of the motor 5, and prevents the pressing plate head from failing to feed due to the shortened travel of the pushing rod 12, thereby improving production efficiency.

[0017] In this embodiment, a connecting side plate 6 is installed on one side of the motor protective shell 4. The connecting side plate 6 has a shaft hole 7 that can accommodate the motor shaft of the motor 5. A sealing ring is installed in the shaft hole. A drive gear 8 is installed at the end of the motor shaft. A toothed section 13 is provided on the surface of the middle part of one side of the pusher rod 12. The drive gear 8 is meshed with the toothed section 13. Thus, the motor 5 drives the drive gear 8 to rotate, thereby causing the pusher rod 12 to reciprocate in the length direction of the toothed section 13, so as to push the pressing head. Moreover, the toothed meshing transmission structure has a longer service life and can more effectively reduce the phenomenon of shortened stroke due to wear.

[0018] Specifically, in this embodiment, the connecting side plate 6 is also equipped with a first positioning wheel 9, a second positioning wheel 10, and a third positioning wheel 11. The first positioning wheel 9 and the second positioning wheel 10 are located on both sides of the drive gear 8, and the third positioning wheel 11 is located below the drive gear 8. The first positioning wheel 9, the second positioning wheel 10, and the third positioning wheel 11 form a triangular distribution on the connecting side plate 6, so that the lower parts of the first positioning wheel 9 and the second positioning wheel 10 and the upper parts of the third positioning wheel 11 form a clamping area, and the pusher rod 12 is engaged in the clamping area. This allows the pusher rod 12 to be more stably engaged between the three positioning wheels, preventing the pusher rod 12 from shaking during movement and improving the stability of movement.

[0019] It is worth noting that the first positioning wheel 9, the second positioning wheel 10 and the third positioning wheel 11 in this embodiment are all I-beam wheels, which can better hold the pusher rod 12 in the clamping area.

[0020] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A cake-pushing mechanism for an extruder, comprising a motor protective housing (4) mounted on the extruder body (1), characterized in that, The motor protective shell (4) is equipped with a motor (5). A pusher rod (12) is attached to the outer side of one end of the motor shaft of the motor protective shell (4) near the motor (5). The pusher rod (12) is driven by the motor (5) to perform linear reciprocating motion. A pressing positioning post (14) is provided at one end of the pusher rod (12).

2. The extruder pusher mechanism according to claim 1, characterized in that, A connecting side plate (6) is installed on one side of the motor protective shell (4). The connecting side plate (6) has a shaft hole (7) through which the motor shaft of the motor (5) passes. A drive gear (8) is installed at the end of the motor shaft. A toothed section (13) is provided on the surface of the middle part of one side of the pusher rod (12). The drive gear (8) meshes with the toothed section (13).

3. The extruder pusher mechanism according to claim 2, characterized in that, The connecting side plate (6) is also equipped with a first positioning wheel (9), a second positioning wheel (10) and a third positioning wheel (11). The first positioning wheel (9) and the second positioning wheel (10) are located on both sides of the drive gear (8), and the third positioning wheel (11) is located below the drive gear (8). The first positioning wheel (9), the second positioning wheel (10) and the third positioning wheel (11) form a triangular distribution on the connecting side plate (6), so that the lower part of the first positioning wheel (9) and the second positioning wheel (10) and the upper part of the third positioning wheel (11) form a clamping area, and the pusher rod (12) is engaged in the clamping area.

4. The extruder pusher mechanism according to claim 3, characterized in that, The first positioning wheel (9), the second positioning wheel (10) and the third positioning wheel (11) are all H-shaped wheels.

5. A cake-pushing mechanism for an extruder according to claim 4, characterized in that, The extruder body (1) has a pressing plate input groove (2) on one side of its lower end. The motor protective shell (4) is installed on one side of the output end of the pressing plate input groove (2). The pushing rod (12) corresponds to the output end of the pressing plate input groove (2).

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