Automatic balancing device for filter cotton cutter

Abstract

The invention relates to the technical field of respirator protective articles, in particular to a filter cotton cutter automatic balancing device which comprises a cutter rest part, a main balancing part and a guide fixing part, and the balancing device is fixedly connected to power equipment through a device connecting seat and a ball guide pillar sleeve; the device is fixed on power equipment through structures such as a device connecting seat and the like, the device is pressed downwards under continuous pressure feeding, a cutter is in contact with filter cotton, and a main balance part is triggered to act; the balance springs are compressed under stress until the internal balance balls are stressed, and the force is uniformly distributed under the elastic action of the balance springs at four corners, so that the cutter is uniformly stressed to cut off the filter cotton; the device can automatically balance the acting force, protect the cutting edge, effectively protect the automatic balancing device of the filter cotton cutter, prevent the automatic balancing device from being deformed and damaged in the working process and improve the production efficiency and the production benefit; the device is suitable for filter cotton press-cutting of various protective masks, can be used for various air pressure and oil pressure press-cutting devices, and is wide in application range.

Description

Technical Field

[0001] The invention relates to the technical field of respirator protective equipment, and in particular to an automatic balancing device for a filter cotton cutter. Background Art

[0002] Filter cotton is a kind of filter element used in respiratory protective equipment. The working principle of filter cotton is mainly to intercept impurities, dust, bacteria and other particles in the air through its special material and structure, thereby purifying the air. With the production of various types of filter cotton, the continuous increase of filter layers and the change of shapes, the production process has become complicated and cumbersome, and the shearing of filter cotton has become difficult. The cutter is easy to deform and the blade is damaged, which greatly reduces the practical life of the cutter. After our company continuously updates its technical practice and summarizes its experience, we have designed and invented a filter cotton pressing and cutting device suitable for various shapes and a filter cotton cutter automatic balancing device that can be installed on various power devices. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides an automatic balancing device for a filter cotton cutter, comprising a knife holder part, a main balancing part and a guide fixing part, and the balancing device is connected and fixed to the power equipment through a device connecting seat and a ball guide sleeve.

[0004] Preferably: the knife holder part consists of a cutter and a knife holder, the cutter is installed on the knife holder, a plurality of cutter positioning grooves are designed at the rear end of the cutter, the knife holder is made of high-strength steel plate material, four corners are provided with knife holder positioning through holes, and a cutter groove is provided in the middle position, the cutter groove is a through groove, a cutter positioning convex groove is left inside, the cutter positioning convex groove cooperates with the cutter positioning groove on the cutter, and the two are installed in an inlaid manner.

[0005] Preferably: the main balancing part is composed of a balancing spring, a balancing ball and a main board, the main board is made of steel plate, and the four corners of the main board are designed with tool holder fixing bolt holes, balancing ball positioning grooves, guide column fixing holes, and connecting seat fixing bolt holes.

[0006] Preferably: the balancing spring is made of chrome alloy spring steel, has a length greater than the diameter of the balancing ball, and is respectively arranged at the four corners of the main board, and the balancing ball is arranged in the balancing ball positioning groove at the center of the main board.

[0007] Preferably: the tool holder is positioned at four tool holder fixing bolt holes on the main board through four tool holder fixing bolts passing through four tool holder positioning through holes on the tool holder and through four balance springs, and the tool holder fixing bolts are locked and fixed by tool holder fixing bolts and top nuts.

[0008] Preferably, the balancing ball positioning groove is circular and semi-submerged, and the depth is 1 / 5 of the balancing ball.

[0009] Preferably: the main board is locked to the main board through four central connecting seat fixing bolt holes and four connecting seat fixing holes on the device connecting seat through four connecting seat fixing bolts; the top of the device connecting seat is connected and fixed to the power device through internal threads, and the power device and the device connecting seat are locked through locking nuts.

[0010] Preferably: the guide fixing part is composed of a guide column, a device connecting seat, a locking nut, and a ball guide column sleeve; the internal sleeve barrel of the device connecting seat is designed with an internal thread for connecting the power device, and the locking nut locks the connection between the power device and the fixing hole of the connecting seat; a guide column fixing screw hole is provided at the center position of the guide column bottom section, and the guide column fixing screw hole cooperates with the two guide column fixing holes on the main board and is fixed to the main board by two guide column fixing bolts.

[0011] Preferably: the upper section of the guide post is inserted into a ball guide post sleeve, and guide post sleeve balls are designed inside the ball guide post sleeve, which are evenly distributed in a ring shape on the inner wall of the ball guide post sleeve, and the guide post sleeve balls inside the ball guide post sleeve are in contact with the outer wall of the guide post in a rolling form. Four guide post sleeve positioning holes are designed at the end of the ball guide post sleeve base, and guide post sleeve fixing bolts are arranged inside them.

[0012] Technical effects and advantages of the present invention:

[0013] 1. The automatic balancing device for filter cotton cutter of the present invention is suitable for filter cotton pressing and cutting of various protective masks, and can be used for various air pressure, oil pressure and other pressing and cutting equipment, and has a wide range of applications;

[0014] 2. The present invention can automatically balance the force, protect the blade, and effectively protect the automatic balancing device of the filter cotton cutter to prevent it from deformation and damage during work, thereby improving production efficiency and production benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an automatic balancing device for filter cotton cutter provided in an embodiment of the present application. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the structure of an automatic balancing device for filter cotton cutter provided in an embodiment of the present application. Figure 2 ;

[0017] Figure 3 It is an exploded view of an automatic balancing device for a filter cotton cutter provided in an embodiment of the present application;

[0018] Figure 4 It is a schematic diagram of the internal structure of an automatic balancing device for a filter cotton cutter provided in an embodiment of the present application;

[0019] Figure 5 A partial cross-sectional view of an automatic balancing device for a filter cotton cutter provided in an embodiment of the present application Figure 1 ;

[0020] Figure 6 A partial cross-sectional view of an automatic balancing device for a filter cotton cutter provided in an embodiment of the present application Figure 2 .

[0021] In the figure:

[0022] 1. Tool holder fixing bolt; 2. Cutter; 21. Cutter positioning groove; 3. Tool holder; 31. Tool holder positioning through hole; 32. Cutter groove; 33. Cutter positioning convex groove; 4. Balance spring; 5. Balance ball; 6. Guide column fixing bolt; 7. Main board; 71. Balance ball positioning groove; 72. Tool holder fixing bolt hole; 73. Connecting seat fixing bolt hole; 74. Guide column fixing hole; 8. Tool holder fixing bolt butt nut; 9. Guide column; 91. Guide column fixing screw hole; 10. Device connecting seat; 101. Connecting seat fixing hole; 102. Connecting seat fixing bolt; 110. Locking nut; 120. Ball guide column sleeve; 121. Guide column sleeve fixing bolt; 122. Guide column sleeve positioning hole; 123. Guide column sleeve ball. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0024] Example

[0025] See also Figure 1 to Figure 6 In this embodiment, a filter cotton cutter automatic balancing device is provided, which includes a cutter holder part, a main balancing part and a guide fixing part, and the balancing device is connected and fixed to the power equipment through a device connecting seat 10 and a ball guide column sleeve 120;

[0026] Specifically, the knife holder part is composed of a cutter 2 and a knife holder 3. The cutter 2 is installed on the knife holder 3. A plurality of cutter positioning grooves 21 are designed at the rear end of the cutter 2. The knife holder 3 is made of high-strength steel plate material. The four corners are provided with knife holder positioning through holes 31, and a cutter groove 32 is provided in the middle position. The cutter groove 32 is a through groove, and a cutter positioning convex groove 33 is left inside. The cutter positioning convex groove 33 cooperates with the cutter positioning groove 21 on the cutter 2, and the cutter 2 is fixed in an inlaid manner. Install it firmly and accurately on the knife holder 3, insert the cutter 2 into the cutter groove 32, accurately match the groove on the cutter 2 with the convex groove inside the cutter groove 32, and firmly position it. This installation method is convenient for the installation, disassembly, and replacement of the cutter 2. When working, the upper force makes the cutter 2 drop to cut the filter cotton. The greater the pressure, the tighter the cutter 2 and the knife holder 3 will be, and the cutter 2 will not fall off. On the contrary, when replacing the cutter 2, the cutter 2 can be easily removed by applying force to the cutter 2 from the upper cutter groove 32 of the knife holder 3.

[0027] The shape of the cutter 2 can be arbitrarily designed according to the filter cotton without limitation. It is only necessary to replace the matching cutter 2 and the cutter holder 3 according to the filter cotton. This design facilitates the replacement and disassembly of the cutter 2.

[0028] The main balancing part is composed of a balancing spring 4, a balancing ball 5 and a main board 7. The main board 7 is made of a steel plate. The four corners of the main board 7 are designed with a tool holder fixing bolt hole 72, a balancing ball positioning groove 71, a guide column fixing hole 74, and a connecting seat fixing bolt hole 73;

[0029] The balancing spring 4 is made of chrome alloy spring steel, and its length is longer than the diameter of the balancing ball 5. It is respectively arranged at the four corners of the main board 7. The balancing ball 5 is arranged in the balancing ball positioning groove 71 at the center of the main board 7.

[0030] The tool holder 3 is passed through four tool holder positioning through holes 31 on the tool holder 3 by four tool holder fixing bolts 1, and then passed through four balance springs 4 to be positioned in four tool holder fixing bolt holes 72 on the main board 7, and then locked and fixed by the tool holder fixing bolt butt nut 8. Here, the nut is designed as a butt nut to prevent loosening, and is locked and prevented from loosening by the mutual force of the two nuts;

[0031] The tool holder 3 is fixed to the main board 7 by the tool holder fixing bolt 1 through the balance spring 4, and the balance ball 5 is placed in the balance ball positioning groove 71. The tool holder fixing bolt 1 is locked until the balance spring 4 is stressed and the balance ball 5 can move in the balance ball positioning groove 71 and cannot fall out. Then the top of the tool holder fixing bolt 1 is locked into the tool holder fixing bolt top nut 8 to prevent it from falling off.

[0032] The balancing ball 5 is embedded in the balancing ball positioning groove 71 at the center of the main board 7. The balancing ball positioning groove 71 is circular and semi-submerged, and the depth is 1 / 5 of the balancing ball 5. This design allows the balancing ball 5 to locate the center of the main board 7 and can also move slightly to make force fine adjustment.

[0033] During operation, the upper part exerts force, the main board 7 is forced to descend, the four balance springs 4 are pressed down by the force of the main board 7, the knife holder 3 is pressed down by the force of the balance springs 4, and the cutter 2 contacts the filter cotton. The balance spring 4 is compressed by the reaction force of the bottom mold of the filter cotton mold until the balance ball 5 is stressed in the balance ball positioning groove 71 of the main board 7. At this time, the four balance springs 4 increase the rigid connection force of the balance ball 5 in the center of the main board 7 while evenly distributing the force, and the balance knife holder 3 is evenly stressed around the cutter 2 until the filter cotton is cut off.

[0034] The main board 7 is locked on the main board 7 through four central connection seat fixing bolt holes 73 and four connection seat fixing holes 101 on the device connection seat 10 via four connection seat fixing bolts 102; the top of the device connection seat 10 is connected and fixed to the power mechanism through internal threads, and then the power mechanism and the device connection seat 10 are locked and prevented from falling off by a separate component locking nut 110;

[0035] The guide fixing part is composed of a guide column 9, a device connecting seat 10, a locking nut 110, and a ball guide column sleeve 120; the internal sleeve barrel of the device connecting seat 10 is designed with an internal thread, and its function is to connect the power device (cylinder or oil cylinder or other power device), and the locking nut 110 is used to lock the connection between the power device and the connecting seat fixing hole 101; a guide column fixing screw hole 91 is provided at the center of the bottom section of the guide column 9, the guide column 9 is fixed on the main board 7, and the upper section is inserted into the ball guide column sleeve 120, and the ball guide column sleeve 120 is designed with guide column sleeve balls 123 inside, which are evenly distributed on the inner wall of the ball guide column sleeve 120 in a ring shape, and the design reduces the friction coefficient, realizes smooth movement, and reduces impact and vibration. Four guide column sleeve positioning holes 122 are designed at the end of the base of the ball guide column sleeve 120, which are provided with guide column sleeve fixing bolts 121 to fix it to the power device (cylinder or oil cylinder or other power device).

[0036] The two guide posts 9 cooperate with the two guide post fixing holes 74 on the main board 7 through the bottom guide post fixing screw holes 91, and are locked and fixed to the main board 7 by two guide post fixing bolts 6, serving as the up and down action tracks of the filter cotton cutter automatic balancing device. The guide posts 9 are inserted into the ball guide post sleeve 120, and the guide post sleeve balls 123 inside the ball guide post sleeve 120 are in contact with the outer wall of the guide post 9, adopting a rolling form of cooperation. The design reduces the friction coefficient, reduces the wear of the guide posts 9, and facilitates the smooth up and down movement of the guide posts. The ball guide post sleeve 120 can transmit a large amount of load, effectively protect the filter cotton cutter automatic balancing device, prevent it from deformation and damage during work, and improve production efficiency and production benefits.

[0037] The automatic balancing device for filter cotton cutter of the present invention is suitable for filter cotton pressing and cutting of various protective masks, and can be used for various air pressure, oil pressure and other pressing and cutting equipment; it is fixed on the power equipment by using the structure of the device connecting seat 10 and the like, and under the continuous pressure feeding, the device is pressed down, and the cutter 2 contacts the filter cotton, triggering the action of the main balancing part; the balancing spring 4 is compressed by force, and the internal balancing ball 5 is stressed, and the elastic effect of the balancing springs 4 at the four corners is utilized to evenly distribute the force, so that the cutter 2 is evenly stressed to cut the filter cotton; this device can automatically balance the acting force, protect the blade, effectively protect the automatic balancing device for the filter cotton cutter, prevent it from deformation and damage during work, and improve production efficiency and production benefits.

[0038] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An automatic balancing device for filter cotton cutter, characterized in that: It comprises a tool holder part, a main balancing part and a guide fixing part, and the balancing device is connected and fixed on the power equipment through a device connecting seat (10) and a ball guide column sleeve (120).

2. The automatic balancing device for filter cotton cutter according to claim 1, characterized in that: The knife holder part is composed of a cutter (2) and a knife holder (3). The cutter (2) is mounted on the knife holder (3). A plurality of cutter positioning grooves (21) are designed at the rear end of the cutter (2). The knife holder (3) is made of a high-strength steel plate material. Four corners are provided with knife holder positioning through holes (31), and a cutter groove (32) is provided in the middle. The cutter groove (32) is a through groove, and a cutter positioning convex groove (33) is left inside the cutter. The cutter positioning convex groove (33) cooperates with the cutter positioning groove (21) on the cutter (2), and the two are installed in an inlaid manner.

3. The automatic balancing device for filter cotton cutter according to claim 1, characterized in that: The main balancing part is composed of a balancing spring (4), a balancing ball (5) and a main board (7). The main board (7) is made of a steel plate. The four corners of the main board (7) are provided with a tool holder fixing bolt hole (72), a balancing ball positioning groove (71), a guide column fixing hole (74) and a connecting seat fixing bolt hole (73).

4. The automatic balancing device for filter cotton cutter according to claim 3, characterized in that: The balancing spring (4) is made of chrome alloy spring steel, has a length greater than the diameter of the balancing ball (5), and is respectively arranged at the four corners of the main board (7). The balancing ball (5) is arranged in a balancing ball positioning groove (71) at the center of the main board (7).

5. The automatic balancing device for filter cotton cutter according to claim 2 or 3, characterized in that: The tool holder (3) is positioned at four tool holder fixing bolts (1) through four tool holder positioning through holes (31) on the tool holder (3) and through four balance springs (4) in four tool holder fixing bolt holes (72) on the main board (7). The tool holder fixing bolts (1) are locked and fixed by tool holder fixing bolts and top nuts (8).

6. The automatic balancing device for filter cotton cutter according to claim 4, characterized in that: The balancing ball positioning groove (71) is of a circular semi-submerged type, and its depth is 1 / 5 of the balancing ball (5).

7. The automatic balancing device for filter cotton cutter according to claim 3, characterized in that: The main board (7) is locked onto the main board (7) through four central connection seat fixing bolt holes (73) and four connection seat fixing holes (101) on the device connection seat (10) via four connection seat fixing bolts (102); the top of the device connection seat (10) is connected and fixed to the power device via internal threads, and the power device and the device connection seat (10) are locked via a locking nut (110).

8. The automatic balancing device for filter cotton cutter according to claim 1, characterized in that: The guide fixing part is composed of a guide column (9), a device connection seat (10), a locking nut (110), and a ball guide column sleeve (120); the inner sleeve barrel of the device connection seat (10) is designed with an internal thread for connecting the power device, and the locking nut (110) locks the connection between the power device and the connection seat fixing hole (101); a guide column fixing screw hole (91) is provided at the center position of the bottom section of the guide column (9), and the guide column fixing screw hole (91) cooperates with two guide column fixing holes (74) on the main board (7) and is fixed to the main board (7) by two guide column fixing bolts (6).

9. The automatic balancing device for filter cotton cutter according to claim 8, characterized in that: The upper section of the guide post (9) is inserted into a ball guide post sleeve (120), and the interior of the ball guide post sleeve (120) is provided with guide post sleeve balls (123) which are evenly distributed in an annular shape on the inner wall of the ball guide post sleeve (120). The guide post sleeve balls (123) inside the ball guide post sleeve (120) are in contact with the outer wall of the guide post (9) in a rolling manner. The end of the base of the ball guide post sleeve (120) is provided with four guide post sleeve positioning holes (122), in which guide post sleeve fixing bolts (121) are arranged.

10. An automatic balancing device for filter cotton cutters according to any one of claims 1 to 9, characterized in that: The balancing device is suitable for pressing and cutting filter cotton of various protective masks and can be used on various air pressure and oil pressure pressing and cutting equipment.

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