A cutting apparatus for a mandrel

Abstract

The utility model provides a kind of cutting equipment for mandrel processing, including cutting frame and cutting assembly being installed on cutting frame, the cutting assembly includes support and shell, the support is fixedly installed on the rear side of cutting frame upper end, the shell is located in support, the top of the support is fixedly installed with electric telescopic rod one for driving shell lifting, cutting blade is rotatably installed in the shell, motor one for driving cutting blade rotation is fixedly installed in the shell outer wall, the rear side of the support is provided with blanking port.The utility model adjusting assembly, motor three drives screw rod to rotate, limit cooperation of dovetail groove on the bottom surface of sliding seat and dovetail rod on cutting frame, can drive sliding seat and baffle horizontal stable movement, realize the accurate adjustment of the distance between baffle and cutting blade (i.e. cutting length), adjustment process does not need manual disassembly component, only by motor control can be completed, adapt to different length specifications of mandrel processing, improve the application range of equipment.

Description

Technical Field

[0001] This utility model belongs to the field of mandrel processing technology, and more specifically, it relates to a cutting device for mandrel processing. Background Technology

[0002] Mandrels are components of molds used to form contour surfaces in the pressing direction within a pressed or sintered body. During mandrel processing, cutting is one of the key steps, directly affecting the dimensional accuracy and performance of the mandrel.

[0003] Traditional mandrel cutting equipment typically employs a fixed baffle structure. Adjusting the cutting length requires manual disassembly, replacement, or repositioning of the baffle, resulting in cumbersome and inefficient operation that fails to meet the demands of high-efficiency production of mandrels of various specifications. Therefore, this paper researches and improves upon existing structures and their shortcomings to provide a mandrel cutting device with greater practical value. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a cutting device for mandrel processing, which is achieved by the following specific technical means: A cutting device for mandrel processing includes a cutting frame and a cutting assembly mounted on the cutting frame. The cutting assembly includes a support and a housing. The support is fixedly mounted on the rear side of the upper end of the cutting frame. The housing is located inside the support. An electric telescopic rod for driving the housing to rise and fall is fixedly mounted on the top of the support. A cutting blade is rotatably mounted inside the housing. A motor for driving the cutting blade to rotate is fixedly mounted on the outer wall of the housing. A discharge port is provided on the rear side of the support. An adjustment assembly is provided above the discharge port. The adjustment assembly includes a slide, a third motor, and a lead screw. A baffle is mounted on the slide, and a rotating shaft is fixedly connected to the baffle. The baffle is rotatably connected to the slide via the rotating shaft. A second motor is fixedly mounted on the slide, and the output shaft of the second motor is fixedly connected to the rotating shaft for driving the baffle to rotate. A third motor is fixedly mounted on the cutting frame. The lead screw is rotatably mounted on the cutting frame, and the output shaft of the third motor is fixedly connected to the lead screw. A connecting block is fixedly mounted on the upper end of the slide, and the lead screw passes through the connecting block and is threadedly connected to the connecting block.

[0005] Furthermore, dovetail grooves are provided on both sides of the bottom surface of the slide block, and two dovetail rods are fixedly installed on the upper end of the cutting frame. The two dovetail rods are located on both sides of the feed port, and the two dovetail rods move through the dovetail grooves to limit the movement of the slide block.

[0006] Furthermore, the telescopic rod of the electric telescopic rod is fixedly connected to the outer shell, the output shaft of the motor is fixedly connected to the middle of the cutting blade, and limit grooves are opened on both sides of the inner wall of the bracket, and the two ends of the outer shell are respectively slidably installed in the limit grooves.

[0007] Furthermore, a support assembly is provided directly below the outer casing. The support assembly includes an electric telescopic rod II and a support plate. The electric telescopic rod II is fixedly installed on the cutting frame. The telescopic rod of the electric telescopic rod II is fixedly connected to the middle of the bottom end of the support plate. A through groove is provided on the upper surface of the support plate.

[0008] Furthermore, several connecting plates are fixedly installed on the upper end of the cutting frame, located on the front side of the support.

[0009] Furthermore, each of the connecting plates has a V-shaped groove on its surface, and a set of rubber rollers is rotatably installed in each V-shaped groove.

[0010] Compared with the prior art, the present invention has the following beneficial effects: 1. In the adjustment assembly of the mandrel processing cutting equipment, the motor drives the lead screw to rotate. Combined with the limiting cooperation between the dovetail groove on the bottom surface of the slide and the dovetail rod on the cutting frame, the slide and the baffle can be moved horizontally and smoothly. This enables precise adjustment of the distance between the baffle and the cutting blade (i.e., the cutting length). The adjustment process does not require manual disassembly of parts and can be completed solely through motor control. This allows for quick adaptation to the processing of mandrels of different lengths and specifications, thus expanding the applicability of the equipment.

[0011] Second, the mandrel is automatically centered by relying on the V-groove of the connecting plate, ensuring that the mandrel axis is always consistent with the cutting direction of the cutting blade, thus preventing mandrel deviation from the source. A rubber roller is rotatably installed in the V-groove of the connecting plate. On the one hand, it can reduce the frictional resistance when the mandrel is pushed, so that the mandrel can slide smoothly along the V-groove and avoid pushing and getting stuck. On the other hand, the rubber material has a cushioning property, which can avoid hard contact with the surface of the mandrel, reduce the wear of the mandrel surface, and ensure the appearance and structural integrity of the mandrel after processing.

[0012] Third, after a single cut, the motor drives the baffle to rotate around the shaft, and the cut mandrel automatically falls into the collection device through the feeding port, eliminating the need for manual material handling. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the entire cutting device for mandrel processing according to this utility model.

[0014] Figure 2 This is a schematic diagram of the adjustment component of this utility model.

[0015] Figure 3 This is a schematic diagram of the connecting plate of this utility model.

[0016] Figure 4 This is a utility model Figure 1 A magnified diagram of point A in the middle.

[0017] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Cutting frame; 11. Feed port; 2. Support frame; 21. Electric telescopic rod one; 3. Housing; 31. Motor one; 32. Cutting blade; 4. Adjustment assembly; 41. Slide; 42. Baffle; 43. Motor two; 44. Motor three; 45. Lead screw; 46. Connecting block; 47. Dovetail groove; 48. Rotating shaft; 49. Dovetail rod; 5. Electric telescopic rod two; 51. Support plate; 6. Connecting plate; 61. V-groove; 62. Rubber roller. Detailed Implementation

[0018] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0019] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Example:

[0022] As attached Figure 1 To be continued Figure 4 As shown: This utility model provides a cutting device for mandrel processing, including a cutting frame 1 and a cutting assembly installed on the cutting frame 1. The cutting assembly includes a support 2 and a housing 3. The support 2 is fixedly installed on the rear side of the upper end of the cutting frame 1. The housing 3 is located inside the support 2. An electric telescopic rod 21 for driving the housing 3 to rise and fall is fixedly installed at the top of the support 2. A cutting blade 32 is rotatably installed inside the housing 3. A motor 31 for driving the cutting blade 32 to rotate is fixedly installed on the outer wall of the housing 3. A feeding port 11 is provided on the rear side of the support 2 for feeding the cut part. An adjustment assembly 4 is provided above the feed port 11. The adjustment assembly 4 includes a slide 41, a third motor 44, and a lead screw 45. A baffle 42 is installed on the slide 41, and a rotating shaft 48 is fixedly connected to the baffle 42. The baffle 42 is rotatably connected to the slide 41 through the rotating shaft 48. A second motor 43 is fixedly installed on the slide 41, and the output shaft of the second motor 43 is fixedly connected to the rotating shaft 48 to drive the baffle 42 to rotate. The third motor 44 is fixedly installed on the cutting frame 1, and the lead screw 45 is rotatably installed on the cutting frame 1. The output shaft of the third motor 44 is fixedly connected to the lead screw 45. A connecting block 46 is fixedly installed at the upper end of the slide 41. The lead screw 45 passes through the connecting block 46 and is threadedly connected to the connecting block 46. The motor on the cutting frame 1 is started. The output shaft of motor 344 is fixedly connected to lead screw 45, which drives lead screw 45 to rotate on the cutting frame 1. Since lead screw 45 passes through the connecting block 46 at the upper end of slide 41 and is threadedly connected to connecting block 46, and at the same time, the dovetail grooves 47 on both sides of the bottom surface of slide 41 are in movable cooperation with dovetail rod 49 on cutting frame 1 (the dovetail structure restricts slide 41 to move only in the horizontal direction to avoid deviation), the rotation of lead screw 45 is converted into the horizontal movement of connecting block 46, which in turn drives slide 41 and baffle 42 on slide 41 to move synchronously along dovetail rod 49. After the horizontal distance between baffle 42 and cutting blade 32 reaches the target cutting length, motor 344 is turned off, the position of baffle 42 is fixed, and the equipment can cut the mandrel according to the new length standard. Dovetail grooves 47 are provided on both sides of the bottom surface of the slide block 41. Two dovetail rods 49 are fixedly installed on the upper end of the cutting frame 1. The two dovetail rods 49 are located on both sides of the feed port 11. The two dovetail rods 49 move through the dovetail grooves 47 to limit the movement of the slide block 41. The telescopic rod of the electric telescopic rod 21 is fixedly connected to the outer shell 3, the output shaft of the motor 31 is fixedly connected to the middle of the cutting blade 32, and the inner walls on both sides of the bracket 2 are provided with limit grooves. The two ends of the outer shell 3 are slidably installed in the limit grooves. The limit grooves can restrict the movement trajectory of the outer shell 3 and prevent the cutting blade 32 from deviating. A support assembly is provided directly below the outer casing 3. The support assembly includes an electric telescopic rod 5 and a support plate 51. The electric telescopic rod 5 is fixedly installed on the cutting frame 1. The telescopic rod of the electric telescopic rod 5 is fixedly connected to the middle of the bottom end of the support plate 51. A through groove is provided on the upper surface of the support plate 51 to avoid the cutting blade 32. Several connecting plates 6 are fixedly installed on the upper end of the cutting frame 1, located on the front side of the bracket 2. Each connecting plate 6 has a V-shaped groove 61 on its surface. A set of rubber rollers 62 are rotatably installed in each V-shaped groove 61, which can reduce the frictional resistance when the mandrel is pushed and make the mandrel slide smoothly along the groove.

[0023] The working principle of this embodiment: Step 1: Place the mandrel to be cut on several connecting plates 6 on the front side of the upper end of the cutting frame 1. The mandrel is in contact with the V-groove 61 on the surface of the connecting plate 6. The V-groove 61 automatically centers the mandrel through its own structure, ensuring that the mandrel axis is consistent with the cutting direction. At the same time, the rubber roller 62 installed rotatably in the V-groove 61 can reduce the frictional resistance when the mandrel is pushed, so that the mandrel slides smoothly along the groove. Push the mandrel along the V-groove 61 until one end of the mandrel is in close contact with the baffle 42 of the adjusting component 4, and complete the initial cutting length positioning. Activate the electric telescopic rod 5 of the support component. Its telescopic rod drives the support plate 51 to move vertically upward, so that the upper surface of the support plate 51 is completely in contact with the bottom of the mandrel, forming bottom support for the mandrel (preventing the mandrel from shaking during cutting). At this time, the operator needs to press the top of the mandrel lightly to further ensure the stability of the mandrel. Step 2: Start the motor 31 on the outer wall of the outer shell 3 in the cutting assembly. The output shaft of the motor 31 is fixedly connected to the middle of the cutting blade 32, which drives the cutting blade 32 to rotate at high speed inside the outer shell 3, providing cutting power for cutting. Start the electric telescopic rod 21 at the top of the bracket 2. The telescopic rod is fixedly connected to the outer shell 3, which drives the outer shell 3 (and the cutting blade 32 rotating at high speed inside) to move vertically downward along the limiting grooves on both sides of the inner wall of the bracket 2. The limiting grooves can restrict the movement trajectory of the outer shell 3 and prevent the cutting blade 32 from deviating. When the high-speed rotating cutting blade 32 contacts the mandrel, the mandrel cutting is completed. Step 3: After a single cut is completed, start the second motor 43 on the slide 41 in the adjustment assembly 4. The output shaft of the second motor 43 is fixedly connected to the rotating shaft 48 of the baffle 42, which drives the rotating shaft 48 to rotate around its own axis, thereby causing the baffle 42 to flip around the rotating shaft 48 (after flipping, the baffle 42 no longer blocks the mandrel). The cut mandrel falls into the collection device through the discharge port 11 on the rear side of the cutting frame 1 under its own gravity, realizing automatic feeding. After feeding is completed, start the second motor 43 again, which drives the baffle 42 to flip back to the initial vertical state, restoring the blocking and positioning function of the mandrel, and preparing for the next cut. When the cutting length of the mandrel needs to be changed, the motor 44 on the cutting frame 1 is started. The output shaft of the motor 44 is fixedly connected to the lead screw 45, which drives the lead screw 45 to rotate on the cutting frame 1. Since the lead screw 45 passes through the connecting block 46 at the upper end of the slide block 41 and is threadedly connected to the connecting block 46, and at the same time, the dovetail grooves 47 on both sides of the bottom surface of the slide block 41 are in movable cooperation with the dovetail rod 49 on the cutting frame 1 (the dovetail structure restricts the slide block 41 to move only in the horizontal direction to avoid deviation), the rotation of the lead screw 45 is converted into the horizontal movement of the connecting block 46, which in turn drives the slide block 41 and the baffle 42 on the slide block 41 to move synchronously along the dovetail rod 49. After the horizontal distance between the baffle 42 and the cutting blade 32 reaches the target cutting length, the motor 44 is turned off, the position of the baffle 42 is fixed, and the equipment can cut the mandrel according to the new length standard.

[0024] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A cutting device for mandrel processing, comprising a cutting frame (1) and a cutting assembly mounted on the cutting frame (1), characterized in that: The cutting assembly includes a bracket (2) and a housing (3). The bracket (2) is fixedly installed on the rear side of the upper end of the cutting frame (1). The housing (3) is located inside the bracket (2). An electric telescopic rod (21) for driving the housing (3) to rise and fall is fixedly installed at the top of the bracket (2). A cutting blade (32) is rotatably installed inside the housing (3). A motor (31) for driving the cutting blade (32) to rotate is fixedly installed on the outer wall of the housing (3). The bracket (2) has a discharge port (11) on its rear side and an adjustment component (4) above the discharge port (11). The adjustment component (4) includes a slide (41), a motor (44) and a lead screw (45). A baffle (42) is installed on the slide (41) and a rotating shaft (48) is fixedly connected to the baffle (42). The baffle (42) is rotatably connected to the slide (41) through the rotating shaft (48). A motor (43) is fixedly installed on the slide (41) and the output shaft of the motor (43) is fixedly connected to the rotating shaft (48) to drive the baffle (42) to rotate. Among them, the motor three (44) is fixedly installed on the cutting frame (1), the lead screw (45) is rotatably installed on the cutting frame (1), the output shaft of the motor three (44) is fixedly connected to the lead screw (45), the upper end of the slide (41) is fixedly installed with a connecting block (46), the lead screw (45) passes through the connecting block (46) and is threadedly connected to the connecting block (46).

2. The cutting device for mandrel processing as described in claim 1, characterized in that: The slide (41) has dovetail grooves (47) on both sides of its bottom surface. The upper end of the cutting frame (1) is fixedly installed with two dovetail rods (49). The two dovetail rods (49) are located on both sides of the feed port (11). The two dovetail rods (49) move through the dovetail grooves (47) to limit the movement of the slide (41).

3. The cutting device for mandrel processing as described in claim 1, characterized in that: The telescopic rod of the electric telescopic rod (21) is fixedly connected to the outer shell (3), the output shaft of the motor (31) is fixedly connected to the middle of the cutting blade (32), the inner walls on both sides of the bracket (2) are provided with limit grooves, and the two ends of the outer shell (3) are respectively slidably installed in the limit grooves.

4. The cutting device for mandrel processing as described in claim 1, characterized in that: A support assembly is provided directly below the outer shell (3). The support assembly includes an electric telescopic rod (5) and a support plate (51). The electric telescopic rod (5) is fixedly installed on the cutting frame (1). The telescopic rod of the electric telescopic rod (5) is fixedly connected to the middle of the bottom end of the support plate (51). A through groove is provided on the upper surface of the support plate (51).

5. The cutting device for mandrel processing as described in claim 4, characterized in that: Several connecting plates (6) are fixedly installed on the upper end of the cutting frame (1), located on the front side of the bracket (2).

6. The cutting device for mandrel processing as described in claim 5, characterized in that: Each of the connecting plates (6) has a V-groove (61) on its surface, and a set of rubber rollers (62) are rotatably installed in each of the V-grooves (61).

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