Cutter head overturning tool

Abstract

The utility model relates to the technical field of overturning tools, and discloses a cutter overturning tool which comprises two arc-shaped pieces, the rear ends of the two arc-shaped pieces are hinged and assembled through a connecting pin, the front ends of the two arc-shaped pieces are connected and assembled through a lock catch, brackets are fixedly installed on the lower sides of the arc-shaped pieces, and arc-shaped sliding grooves are formed between the brackets and the arc-shaped pieces. A clamping block is slidably installed in the arc-shaped sliding groove, a through hole is formed in the side wall of the bracket, a pin is slidably installed in the through hole, the end, extending into the arc-shaped sliding groove, of the pin is fixedly assembled with the clamping block, the pin is sleeved with a spring, and the spring abuts against the position between a pin cap of the pin and the bracket; an ejector block is fixedly installed on the lower side of the transmission plate and abuts against a pin cap of the pin. The transmission plate is adjusted up and down through the adjusting assembly, the abutting state of the ejector block and the pin is changed, then the position of the clamping block can be changed, the clamping size of the cutter head can be adjusted, the cutter head with the similar size can be clamped, and the application range is wide.

Description

Technical Field

[0001] This utility model relates to the field of flipping tool technology, specifically a blade flipping tool. Background Technology

[0002] like Figure 4 As shown, the structure of the hob mainly consists of a cutter shaft, cutter body, cutter disc, two end caps, two sets of bearing components, and two sets of mechanical seals. The two sets of bearing components are installed back-to-back between the cutter shaft and the cutter body, with the inner ring of the bearing component fixed to the cutter shaft and the outer ring of the bearing component fixed to the cutter body. The two end caps are installed at both ends of the cutter body, and the clamping force of the bearing components is adjusted by clamping, thereby adjusting the torque required for the rotation of the cutter disc. The mechanical seals are assembled between the end caps and the cutter body to seal the lubricating oil inside the hob.

[0003] During the assembly of the hob, the mechanical seal, bearings, and end caps at one end need to be installed first, and then the hob needs to be flipped over to install the same components at the other end. This process can also be performed during hob maintenance. Flipping is also necessary during the adjustment process.

[0004] The currently used clamping tool has two arc-shaped channel steels, with their rear ends hinged together to achieve opening and closing. The front ends of the two arc-shaped channel steels are equipped with locks to lock the cutter head in place. After clamping and fixing the cutter head, it can be lifted to complete the flipping operation. However, the circular size formed by the two arc-shaped channel steels is fixed. For a cutter head of a certain size, a corresponding clamping tool is required. There are many spare parts, and it cannot clamp other cutter heads of similar size, resulting in poor flexibility of use.

[0005] Therefore, in order to solve the above problems, a tool for flipping the cutter head is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a tool for flipping a cutter head, which is flexible in clamping and convenient in operation, thereby solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a blade reversing tool, comprising two arc-shaped pieces, the rear ends of the two arc-shaped pieces being hinged together by connecting pins, the front ends of the two arc-shaped pieces being connected by a locking buckle, a bracket being fixedly installed on the lower side of each arc-shaped piece, an arc-shaped groove being formed between the bracket and the arc-shaped piece, a clamping block being slidably installed in the arc-shaped groove, a through hole being opened on the side wall of the bracket, a pin being slidably installed in the through hole, one end of the pin extending into the arc-shaped groove being fixedly assembled with the clamping block, a spring being sleeved on the pin, and the spring abutting between the pin head and the bracket, a transmission plate being installed on the upper side of the arc-shaped piece by an adjusting assembly, a top block being fixedly installed on the lower side of the transmission plate, and the top block abutting against the pin head;

[0008] The adjustment assembly includes a bearing seat and a screw. The bearing seat is fixedly installed at the center of the upper side of the arc-shaped plate. The bearing seat is rotatably installed at one end of the screw. A handwheel is fixedly installed at the other end of the screw. The transmission plate has a screw hole for screwing the screw.

[0009] Specifically, the number of clamping blocks in each of the arc-shaped grooves is two or four, evenly distributed.

[0010] Furthermore, a V-shaped groove is provided on the side of the clamping block away from the pin.

[0011] Specifically, the top block has a sloping surface or a stepped surface on the side near the pin.

[0012] Furthermore, a swivel ball is fixedly installed at one end of the pin near the top block.

[0013] Furthermore, the adjustment assembly also includes guide pins, with two guide pins fixedly installed on the upper side of each arc-shaped piece, symmetrically arranged on both sides of the screw, and the transmission plate having pin holes for the guide pins to pass through.

[0014] Specifically, a blade tilting tool also includes a bracket, both ends of which are provided with L-shaped grooves. A smooth rod screw is fixedly installed at the center of the side of the bracket that is far apart from each other, and the smooth rod screw engages with the L-shaped groove on the same side.

[0015] Specifically, a torque sleeve is fixedly installed on the upper side of one of the arc-shaped pieces.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] By adjusting the transmission plate up and down of the adjustment component, the contact state between the top block and the pin can be changed, thereby changing the position of the clamping block and adjusting the clamping size of the cutter head. It can clamp cutter heads of similar size, with flexible clamping and wide applicability, overcoming the shortcomings of existing clamping tools with fixed size and many spare parts. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the top block in form two of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the adjustment component of this utility model;

[0021] Figure 4 This is a schematic 3D view of the existing hobbing cutter structure.

[0022] In the diagram: 1 Hanger, 2 Screw, 3 Bracket, 4 Arc-shaped plate, 5 Lock, 6 Spring, 7 Top block, 8 Transmission plate, 9 Adjustment assembly, 91 Guide pin, 92 Bearing seat, 93 Screw, 10 Clamp, 11 Torque sleeve, 12 Connecting pin, 13 Pin, 14 Universal ball. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 This utility model provides a technical solution:

[0025] A tool for flipping a cutter head includes two arc-shaped pieces 4. The rear ends of the two arc-shaped pieces 4 are hinged together by a connecting pin 12, and the front ends of the two arc-shaped pieces 4 are connected and assembled by a latch 5. After the latch 5 is locked, the two arc-shaped pieces 4 can form a complete circle to match the circular cutter head of the hob. The latch 5 is an existing component with a chuck and a locking element. The locking element mainly consists of a rotatable internal threaded sleeve and a screw handle. The screw handle extends into the chuck and is screwed into the internal threaded sleeve to complete the locking. The above is the existing structure and will not be described in detail here.

[0026] The lower side of the arc-shaped piece 4 is fixedly installed with a bracket 3 by welding. An arc-shaped groove is formed between the bracket 3 and the arc-shaped piece 4. A clamping block 10 is slidably installed in the arc-shaped groove. The side wall of the bracket 3 is provided with a through hole, which is arranged radially along the arc-shaped piece 4. A pin 13 is slidably installed in the through hole. One end of the pin 13 extends into the arc-shaped groove and is fixedly assembled with the clamping block 10. This way, when the pin 13 moves along the through hole, the clamping block 10 also moves radially in the arc-shaped groove.

[0027] A spring 6 is fitted onto the pin 13, and the spring 6 abuts against the pin head of the pin 13 and the bracket 3. The spring 6 gives the pin 13 a force to move outward from the bracket 3. A transmission plate 8 is installed on the upper side of the arc-shaped piece 4 through the adjustment assembly 9. The transmission plate 8 is set parallel to the arc-shaped piece 4. A top block 7 is fixedly installed on the lower side of the transmission plate 8. The top block 7 abuts against the pin head of the pin 13. When the transmission plate 8 is adjusted up and down by the adjustment assembly 9, the contact state between the top block 7 and the pin 13 will also change, thereby changing the position of all the clamping blocks 10 on the same side.

[0028] Please see Figure 3 Adjust the form of component 9:

[0029] The adjusting assembly 9 includes a bearing seat 92 and a screw 93. The bearing seat 92 is fixedly installed at the center of the upper side of the arc-shaped plate 4. The bearing seat 92 is rotatably mounted on one end of the screw 93 via a bearing. A handwheel is fixedly installed on the other end of the screw 93. The transmission plate 8 has a screw hole for screwing the screw 93. When the screw 93 on the bearing seat 92 is rotated by the handwheel, the transmission plate 8 can be adjusted up and down along the screw 93 due to the screw hole and the screw 93.

[0030] The form of clamp 10:

[0031] The number of clamping blocks 10 in each arc-shaped groove is two or four evenly distributed to ensure that the clamping blocks 10 and the cutter head have enough clamping points. The side of the clamping block 10 away from the pin 13 is provided with a V-shaped groove, which can better match the edge of the cutter head of similar size and has a wide clamping range.

[0032] The form of top block 7:

[0033] In the first type, the top block 7 has an inclined surface on the side near the pin 13. The inclined surface is set at an angle, and the upper end is closer to the bracket 3 than the lower end. When the top block 7 moves upward, the pin 13 gradually moves outward along the inclined surface, expanding the size of the cutter head clamping. Conversely, when the top block 7 moves downward, the pin 13 gradually moves inward along the inclined surface, reducing the size of the cutter head clamping. The adjustment range is flexible and suitable for working conditions with multiple cutter head sizes.

[0034] For Form Two, please refer to [link / reference]. Figure 2 The top block 7 has a stepped surface on the side near the pin 13. The thickness of the step gradually increases from bottom to top, and the steps are connected by a chamfer. When the top block 7 moves upward, the pin 13 separates from the step it is currently abutting and then abuts against the step on the lower side. The pin 13 moves outward a certain distance, expanding the size of the cutter head clamping. Conversely, when the top block 7 moves downward, the pin 13 separates from the step it is currently abutting and then abuts against the step on the upper side. The pin 13 moves inward a certain distance, reducing the size of the cutter head clamping. It has several fixed clamping sizes and is suitable for working conditions with a small cutter head size.

[0035] In addition, a universal ball 14 is fixedly installed at one end of the pin 13 near the top block 7. The universal ball 14 can reduce the friction between itself and the top block 7 by rolling, avoiding wear and tear on the parts and improving the smoothness of relative movements.

[0036] The adjustment assembly 9 also includes guide pins 91. Each arc-shaped piece 4 has a guide pin 91 fixedly installed on its upper side. There are two guide pins 91, which are symmetrically arranged on both sides of the screw 93. The transmission plate 8 has pin holes for the guide pins 91 to pass through. When the transmission plate 8 is raised or lowered, the pin holes move along the guide pins 91 to improve the stability of the movement of the transmission plate 8. In addition, the guide pins 91 can also work together with the screw 93 to jointly bear the radial force generated by the clamping operation.

[0037] The cutter head flipping tool also includes a bracket 1, which is in the shape of an inverted U. The top is used to attach to the hook of the crane. Both ends of the bracket 1 are provided with L-shaped grooves. The center of each bracket 3 on the opposite side is fixedly installed with a smooth rod screw 2. The smooth rod screw 2 is fixed to the bracket 3 by first screwing and then welding to avoid loosening. The smooth rod screw 2 engages with the L-shaped groove on the same side. The smooth rod screw 2 can easily enter the L-shaped groove to quickly complete the rotation connection, and can also easily separate from the L-shaped groove to facilitate separation from the bracket 1.

[0038] In addition, a torque sleeve 11 is fixedly installed on the upper side of one of the arc-shaped pieces 4. The end of the torque sleeve 11 away from the arc-shaped piece 4 has a rectangular groove that matches the torque wrench. After the hob is assembled, the torque wrench is inserted and circumferentially swung to determine whether the torque applied to the cutter head meets the standard, thus facilitating the staff to further adjust the assembly force of the hob end cap.

[0039] The working principle of this embodiment:

[0040] When the top block 7 adopts form one, first open the two arc-shaped pieces 4, align the cutter head and lock it with the latch 5, alternately operate the two adjusting components 9 to move the transmission plate 8 down, push the universal ball 14 and pin 13 inward through the inclined surface, so that the V-shaped groove on each clamping block 10 clamps the edge of the cutter head, and can clamp cutter heads of similar size.

[0041] When the top block 7 adopts form two, first alternately operate the two adjustment components 9 to move the transmission plate 8 down so that the universal ball 14 abuts against the corresponding step, adjust the position of the clamping block 10, and then align the two open arc plates 4 with the cutter head and lock them with the latch 5 to complete the clamping.

[0042] Afterwards, cutter heads of the same size can be repeatedly clamped and used. In addition, in order to facilitate matching with the crane for hanging, a bracket 1 can be installed on the smooth rod screw 2 for easy lifting and flipping. During the assembly of the hob, it can facilitate the transfer and flipping of the cutter head, and can also be used for the overall clamping and flipping of the hob, making it convenient for inspection and maintenance.

[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0044] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A blade reversing tool, comprising two arc-shaped pieces (4), the rear ends of the two arc-shaped pieces (4) being hinged together by a connecting pin (12), and the front ends of the two arc-shaped pieces (4) being connected together by a latch (5), characterized in that: A bracket (3) is fixedly installed on the lower side of each arc-shaped piece (4). An arc-shaped groove is formed between the bracket (3) and the arc-shaped piece (4). A clamping block (10) is slidably installed in the arc-shaped groove. A through hole is opened on the side wall of the bracket (3). A pin (13) is slidably installed in the through hole. One end of the pin (13) extends into the arc-shaped groove and is fixedly assembled with the clamping block (10). A spring (6) is sleeved on the pin (13), and the spring (6) abuts against the head of the pin (13) and the bracket (3). A transmission plate (8) is installed on the upper side of the arc-shaped piece (4) through an adjustment component (9). A top block (7) is fixedly installed on the lower side of the transmission plate (8). The top block (7) abuts against the head of the pin (13). The adjustment assembly (9) includes a bearing seat (92) and a screw (93). The bearing seat (92) is fixedly installed at the center of the upper side of the arc-shaped plate (4). The bearing seat (92) is rotatably installed on one end of the screw (93). A handwheel is fixedly installed on the other end of the screw (93). The transmission plate (8) has a screw hole for screwing the screw (93).

2. The tool for flipping a cutter head according to claim 1, characterized in that: The number of clamping blocks (10) in each of the arc-shaped grooves is two or four, evenly distributed.

3. The cutter head flipping tool according to claim 1, characterized in that: The clamping block (10) has a V-shaped groove on the side away from the pin (13).

4. The cutter head flipping tool according to claim 1, characterized in that: The top block (7) has a sloping or stepped surface on the side near the pin (13).

5. A tool for flipping a cutter head according to claim 1, characterized in that: A universal ball (14) is fixedly installed at one end of the pin (13) near the top block (7).

6. The cutter head flipping tool according to claim 1, characterized in that: The adjustment assembly (9) also includes guide pins (91). Each arc-shaped piece (4) has a guide pin (91) fixedly installed on its upper side. There are two guide pins (91), which are symmetrically arranged on both sides of the screw (93). The transmission plate (8) has pin holes for the guide pins (91) to pass through.

7. A tool for flipping a cutter head according to claim 1, characterized in that: It also includes a bracket (1), both ends of which are provided with L-shaped grooves. Each bracket (3) is fixedly installed with a smooth rod screw (2) at the center of the side away from each other. The smooth rod screw (2) is engaged with the L-shaped groove on the same side.

8. A tool for flipping a cutter head according to claim 1, characterized in that: A torque sleeve (11) is fixedly installed on the upper side of one of the arc-shaped pieces (4).

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