High-speed machine cutter

Abstract

The utility model provides a high-speed machine cutter which comprises a base, a movable cutter and a fixed cutter, the movable cutter and the fixed cutter are installed on the base, the movable cutter is movably installed on the base through a buffering mechanism, the fixed cutter is fixed to the base and located at the lower end of the movable cutter, a hook-shaped wire guide groove is formed in the front end of the movable cutter and comprises a wire guide part and a stopping part, and the wire guide part and the stopping part are obliquely arranged. And an arc-shaped positioning part is arranged between the wire part and the stop part and is positioned at the front end of the fixed cutter. According to the cutter of the high-speed machine, one side of the movable cutter is connected with the buffering mechanism, so that the enameled wire can push the movable cutter after overcoming buffering force, the phenomenon that the blade of the movable cutter is too sharp and the enameled wire is cut off by the blade before the enameled wire is clamped by a wire capturing device is avoided, the movable cutter is provided with the wire guide groove, and the enameled wire can be limited in the positioning part after being guided. And reducing of the enamelled wire caused by stretching of the take-up tailings in the automatic disc changing process of the enamelling machine can be reduced, so that waste wires in meter extraction are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed machine cutters, in particular to a high-speed machine cutter. Background Art

[0002] The high-speed machine cutter is used to be installed on the enameling machine to cut the enameled wire delivered. However, the existing cutter wire device is set on one side. During the automatic reel changing process of the enameling machine, the stretching of the wire tail will cause the enameled wire to change its diameter, resulting in an increase in waste wire in the meter drawing, and a high frequency of failure during the cutting process. In addition, because the cutter blade is too sharp, the enameled wire is cut off by the cutter before the wire catcher clamps it, thus affecting the enameled wire processing. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The problem to be solved by the utility model is to provide a high-speed machine cutter to overcome the defects in the prior art that the blade of the high-speed machine cutter is fixed and the conductor device cannot bear the force, resulting in low processing quality of the enameled wire.

[0005] (II) Technical solution

[0006] In order to solve the technical problem, the utility model provides a high-speed machine cutter, comprising a base and a movable knife and a fixed knife installed on the base, the movable knife being movably installed on the base through a buffer mechanism, the fixed knife being fixed on the base and being located at the lower end of the movable knife, a hook-shaped wire groove being provided at the front end of the movable knife, the wire groove comprising an inclined wire portion and a stop portion, an arc-shaped positioning portion being provided between the wire portion and the stop portion, the positioning portion being located at the front end of the fixed knife; after the enameled wire enters the wire groove, it is placed in the positioning portion through the wire portion, the movable knife can be pushed backward by the positioning portion, so that the fixed knife contacts the enameled wire for cutting, and the buffer mechanism provides buffer resistance.

[0007] In some embodiments, the buffer mechanism includes a connecting shaft, a spring and a linear bearing. The base is symmetrically provided with mounting holes, and the linear bearings are fixed on the mounting holes. The connecting shaft is inserted into the linear bearings and can slide back and forth along the support bearings. The movable knife is symmetrically provided with fixed seats, and the front end of the connecting shaft is fixed in the fixed seat. The front end of the linear bearing is provided with an abutment plate. The spring is sleeved on the connecting shaft and the two ends are respectively placed on the fixed seat and the abutment plate. After the wire groove on the movable knife is subjected to force, it pushes the movable knife and the connecting shaft backward, so that the spring is compressed to provide elastic force to achieve buffering.

[0008] In some embodiments, the linear bearing is provided with a first annular groove and a second annular groove, and the first annular groove and the second annular groove are both provided with shaft clamps, and the shaft clamps respectively abut against the front and rear ends of the mounting hole to fix the linear bearing.

[0009] In some embodiments, a fixing plate is provided at one end of the base, and the fixing plate is used to connect an external device. Bolts are symmetrically provided at both ends of the fixing plate. The rear end of the connecting shaft passes through the linear bearing and is threadedly connected to the bolt. The spring pushes the linear bearing through the abutment plate to abut against the fixing plate.

[0010] In some embodiments, an adjusting nut is provided on one side of the fixing plate, and an adjusting bolt is connected to the adjusting nut. The adjusting bolt passes through the fixing plate and abuts against the back of the base. Rotating the adjusting bolt can push the base forward to move the linear bearing and the abutting plate forward. At this time, the spring is compressed to achieve buffer force adjustment.

[0011] In some embodiments, the fixed knife is symmetrically provided with through adjustment holes, and one side of the base is provided with an adjustment groove corresponding to the adjustment hole, and the adjustment groove is waist-shaped.

[0012] In some embodiments, the front end of the connecting shaft is inserted into the fixing seat, and the upper end surface of the fixing seat is provided with at least one positioning hole, and the connecting shaft can be fixed in the fixing seat by passing a bolt through the positioning hole.

[0013] (III) Beneficial effects

[0014] The utility model provides a high-speed machine cutter, in which a buffer mechanism is connected to one side of the moving knife, so that the enameled wire can push the moving knife after overcoming the buffer force, thereby preventing the moving knife blade from being too sharp, causing the enameled wire to be cut by the blade before the wire catcher clamps it, and a wire groove is provided on the moving knife, which can guide the enameled wire and confine it in the positioning part, so that the enameled wire diameter change caused by the stretching of the wire tail material during the automatic reel changing process of the enameling machine can be reduced, thereby reducing the waste wire in the meter drawing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a three-dimensional diagram of a high-speed machine cutter of the utility model;

[0017] Figure 2This is a bottom-view stereoscopic diagram of a high-speed machine cutter of the utility model;

[0018] Figure 3 This is a side view of a high-speed machine cutter of the utility model;

[0019] Figure 4 This is a cross-sectional view of a high-speed machine cutter of the utility model;

[0020] Figure 5 This is a three-dimensional diagram of a buffer mechanism of a high-speed machine cutter of the utility model;

[0021] Figure 6 This is a three-dimensional diagram of the base and shaft clamp of a high-speed machine cutter of the utility model;

[0022] Figure 7 This is a three-dimensional diagram of a fixed knife of a high-speed machine cutter of the utility model;

[0023] Figure 8 This is a reference diagram for assembling a high-speed machine cutter of the utility model;

[0024] Fig. 9 This is the assembly reference drawing for the existing cutter.

[0025] The names of the components corresponding to the various figure marks in the figure are: 1. base; 2. movable knife; 3. fixed knife; 4. wire part; 5. stop part; 6. positioning part; 7. connecting shaft; 8. spring; 9. linear bearing; 10. mounting hole; 11. fixed seat; 12. abutment plate; 13. first ring groove; 14. second ring groove; 15. shaft clamp; 16. fixing plate; 17. bolt; 18. adjusting nut; 19. adjusting bolt; 20. adjusting hole; 21. adjusting groove; 22. positioning hole. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0027] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0028] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0029] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0030] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0031] See also Figures 1 to 9 The utility model provides a high-speed machine cutter, comprising a base 1, a movable knife 2 and a fixed knife 3 installed on the base 1, wherein the movable knife 2 is movably installed on the base 1 through a buffer mechanism, the fixed knife 3 is fixed on the base 1 and is located at the lower end of the movable knife 2, and a hook-shaped wire groove is provided at the front end of the movable knife 2, the wire groove comprises an inclined wire portion 4 and a stop portion 5, an arc-shaped positioning portion 6 is provided between the wire portion 4 and the stop portion 5, and the positioning portion 6 is located at the front end of the fixed knife 3; after the enameled wire enters the wire groove, it is first placed in the positioning portion 6 through the wire portion 4, and is blocked by the stop portion 5 on the side so that it is confined in the positioning portion 6, at this time, the enameled wire can push the movable knife 2 backward through the positioning portion 6, so that the fixed knife 3 contacts the enameled wire for cutting, and the buffer mechanism can provide a buffering force during the movement of the movable knife 2, and the movable knife 2 can move so that the enameled wire will not be directly cut off due to too much pressure during the sliding process at the wire portion 4, thereby improving the processing quality.

[0032] In some embodiments, Figure 1 to Figure 5As shown, the buffer mechanism includes a connecting shaft 7, a spring 8 and a linear bearing 9. The base 1 is symmetrically provided with mounting holes 10, and linear bearings 9 are fixed on the mounting holes 10. The connecting shaft 7 is inserted in the linear bearing 9 and can slide along the front and rear ends of the linear bearing 9. The movable knife 2 is symmetrically provided with a fixed seat 11, and the front end of the connecting shaft 7 is fixed in the fixed seat 11. Therefore, when the movable knife 2 moves, it will push the connecting shaft 7 to move horizontally through the fixed seat 11. The front end of the linear bearing 9 is provided with an abutment plate 12, and the spring 8 is mounted on the connecting shaft 7 and the two ends are respectively placed on the fixed seat 11 and the abutment plate 12. When the fixed seat 11 moves horizontally, it will compress the spring 8, so that the spring 8 provides resistance, that is, the buffer mechanism generates a buffer force.

[0033] In some embodiments, Figure 1 to Figure 7 As shown, the linear bearing 9 is provided with a first annular groove 13 and a second annular groove 14, and the first annular groove 13 and the second annular groove 14 are both provided with an axis clamp 15, and the axis clamp 15 respectively abuts against the front and rear ends of the mounting hole 10 to fix the linear bearing 9, and one end of the base 1 is provided with a fixing plate 16, and the fixing plate 16 is used to connect the external device, so that the high-speed machine cutter is installed as a whole on the external device, and bolts 17 are symmetrically provided at both ends of the fixing plate 16, and the rear end of the connecting shaft 7 passes through the linear bearing 9 and is threadedly connected with the bolts 17 to fix the connecting shaft 7, and the spring 8 pushes the linear bearing 9 to abut against the fixing plate 16 through the abutting plate 12, and an adjusting nut 18 is provided on one side of the fixing plate 16, and an adjusting bolt 19 is connected to the adjusting nut 18, and the adjusting bolt 19 passes through the fixing plate 16 and abuts against the back of the base 1, and rotating the adjusting bolt 19 can push the base 1 as a whole The movable knife 2 is moved laterally, and the linear bearing 9 and the abutment plate 12 move forward at this time, and the spring 8 is compressed. Therefore, the resistance provided by the spring 8 increases when the movable knife 2 moves. The buffering force of the buffer mechanism can be adjusted by rotating the adjusting bolt 19. In this embodiment, the fixed knife 3 is symmetrically provided with through adjustment holes 20, and one side of the base 1 is provided with an adjustment groove 21 corresponding to the adjustment hole 20. The adjustment groove 21 is waist-shaped, and it can be fixed on the adjustment groove 21 by passing a bolt through the adjustment hole 20. Since the adjustment groove 21 is waist-shaped, its two ends face the front and back of the base 1, so the front and back distance between the fixed knife 3 and the movable knife 2 can be adjusted by the installation position, and the front end of the connecting shaft 7 is inserted in the fixing seat 11. The upper end surface of the fixing seat 11 is provided with at least one positioning hole 22, and the connecting shaft 7 can be fixed in the fixing seat 11 by passing a bolt through the positioning hole 22.

[0034] The utility model provides a high-speed machine cutter, in which a buffer mechanism is connected to one side of the moving knife, so that the enameled wire can push the moving knife after overcoming the buffer force, thereby preventing the moving knife blade from being too sharp, causing the enameled wire to be cut by the blade before the wire catcher clamps it, and a wire groove is provided on the moving knife, which can guide the enameled wire and confine it in the positioning part, so that the enameled wire diameter change caused by the stretching of the wire tail material during the automatic reel changing process of the enameling machine can be reduced, thereby reducing the waste wire in the meter drawing.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high-speed machine cutter, comprising a base (1) and a movable knife (2) and a fixed knife (3) mounted on the base (1), characterized in that: The movable knife (2) is movably mounted on the base (1) through a buffer mechanism; the fixed knife (3) is fixed on the base (1) and is located at the lower end of the movable knife (2); a hook-shaped wire groove is provided at the front end of the movable knife (2); the wire groove comprises an inclined wire portion (4) and a stop portion (5); an arc-shaped positioning portion (6) is provided between the wire portion (4) and the stop portion (5); the positioning portion (6) is located at the front end of the fixed knife (3); the buffer mechanism comprises a connecting shaft (7) and a spring (8); the front end of the connecting shaft (7) is connected to the movable knife (2); the spring (8) is sleeved on the connecting shaft (7); the enameled wire is placed in the positioning portion (6) through the wire portion (4); the movable knife (2) can be pushed backwards by the positioning portion (6) so that the fixed knife (3) contacts the enameled wire for cutting; the spring (8) is compressed to provide a buffer force.

2. The high-speed machine cutter according to claim 1, characterized in that: The buffer mechanism also includes a linear bearing (9), the base (1) is symmetrically provided with mounting holes (10), the linear bearings (9) are fixed on the mounting holes (10), the connecting shaft (7) is inserted into the linear bearing (9), the movable knife (2) is symmetrically provided with a fixing seat (11), the front end of the connecting shaft (7) is fixed in the fixing seat (11), the front end of the linear bearing (9) is provided with a supporting plate (12), the spring (8) is sleeved on the connecting shaft (7) and the two ends are respectively placed on the fixing seat (11) and the supporting plate (12).

3. The high-speed machine cutter according to claim 2, characterized in that: The linear bearing (9) is provided with a first annular groove (13) and a second annular groove (14), and the first annular groove (13) and the second annular groove (14) are both provided with shaft clamps (15), and the shaft clamps (15) respectively abut against the front and rear ends of the mounting hole (10) to fix the linear bearing (9).

4. The high-speed machine cutter according to claim 2, characterized in that: A fixing plate (16) is provided at one end of the base (1), and the fixing plate (16) is used to connect an external device. Bolts (17) are symmetrically provided at both ends of the fixing plate (16). The rear end of the connecting shaft (7) passes through the linear bearing (9) and is threadedly connected to the bolts (17). The spring (8) pushes the linear bearing (9) through the abutting plate (12) to abut against the fixing plate (16).

5. The high-speed machine cutter according to claim 4, characterized in that: An adjusting nut (18) is provided on one side of the fixing plate (16), an adjusting bolt (19) is connected to the adjusting nut (18), and the adjusting bolt (19) passes through the fixing plate (16) and abuts against the back side of the base (1).

6. The high-speed machine cutter according to claim 1, characterized in that: The fixed knife (3) is symmetrically provided with through adjustment holes (20), and one side of the base (1) is provided with an adjustment groove (21) corresponding to the adjustment hole (20).

7. The high-speed machine cutter according to claim 6, characterized in that: The adjustment groove (21) is waist-shaped.

8. The high-speed machine cutter according to claim 2, characterized in that: The front end of the connecting shaft (7) is inserted into the fixing seat (11), and at least one positioning hole (22) is provided through the upper end surface of the fixing seat (11). The connecting shaft (7) can be fixed in the fixing seat (11) by passing a bolt through the positioning hole (22).

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