A heart-shaped clamp

Abstract

The utility model discloses a kind of heart clamps, it is related to grinding machine processing equipment technical field, including connecting frame, connecting frame is sleeved in the outer periphery of support roller, support roller is attached with the inner wall of connecting frame, the both sides of connecting frame are equipped with butt joint dog, butt joint dog is clamped with headstock yoke, make support roller and headstock yoke transmission connection, the two side walls of connecting frame and each butt joint dog are vertically equipped with clamping piece, clamping piece can slide along the direction perpendicular to support roller axis, clamping piece extends to the one end of connecting frame inner chamber and support roller side wall abuts, each clamping piece locks support roller and connecting frame lock, above-mentioned heart clamp, solved the process that grinding machine grinds support roller, the headstock yoke of grinding machine and support roller roll neck only pass through the clamping of traditional heart clamp connection, heart clamp can be axially slid due to rotation, leading to grinding machine and support roller transmission separation, support roller stops rotating, grinding wheel continuously grinds support roller one place, support roller is damaged technical problem.

Description

Technical Field

[0001] This utility model relates to the field of grinding machine processing equipment technology, and in particular to a chicken heart clamp. Background Technology

[0002] Support rolls are used in the finishing rolling process of hot continuous rolling. After a period of production, these support rolls wear down, leading to substandard product shapes in subsequent production. Therefore, it is necessary to replace the support rolls according to the site conditions. The disassembled support rolls are then ground on a grinding machine according to regulations in the grinding roll operation area, typically to create an arbitrary curve that meets the production process requirements. During the grinding process, the neck of the support roll is inserted into the inner hole of a chuck, and the headstock fork is engaged with the chuck clamp. The headstock fork pushes against the chuck clamp, causing the internal support roll to rotate. The grinding wheel grinds the rotating support roll. However, because there is no locking mechanism between the chuck and the support roll, the chuck may slide axially along the support roll during rotation, causing the support roll to separate from the headstock fork. The support roll stops rotating, and the grinding wheel continues to grind only one area of ​​the support roll, resulting in damage.

[0003] In summary, developing a stable connection between the grinding headstock fork and the support roller neck is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] The purpose of this utility model is to provide a chicken heart clamp that solves the technical problem that, during the transmission process between the grinding machine and the support roller, the support roller may stop rotating due to axial slippage, resulting in tool marks on the side wall of the support roller caused by the grinding wheel.

[0005] To achieve the above objectives, this utility model provides a chicken heart clip, comprising:

[0006] A connecting frame is fitted around the outer periphery of the support roller, with the support roller fitting against the inner wall of the connecting frame. Both sides of the connecting frame are provided with docking claws, which engage with the head frame shift fork to drive the support roller to the head frame shift fork. Clamping members are vertically inserted on the side walls adjacent to the connecting frame and each docking claw. The clamping members can slide in a direction perpendicular to the axis of the support roller. One end of the clamping member extends into the inner cavity of the connecting frame and abuts against the side wall of the support roller, thus locking the support roller and the connecting frame together.

[0007] Preferably, the clamping member includes a drive screw, which is threadedly connected to the connecting frame. One end of the drive screw, which extends into the inner cavity of the connecting frame, is connected to a support block. The width direction of the support block is perpendicular to the axis of the drive screw, and the drive screw is rotatably disposed within the support block.

[0008] Preferably, guide rods are provided on both sides of the drive screw, each guide rod is parallel to the drive screw, the guide rods pass through the side wall of the connecting frame and are fixedly connected to the abutment block, the guide rods are used to guide the sliding of the drive screw and restrict the rotational freedom of the abutment block around the axis of the drive screw.

[0009] Preferably, the end of the drive screw away from the abutment block is provided with a screw cap, and the side wall of the screw cap is evenly provided with several protruding ridges around its axis. The end of the guide rod away from the abutment block is provided with a limiting block, which is used to limit the maximum axial displacement of the clamping member.

[0010] Preferably, the docking claw includes two bent plates with opposite bending directions, and the bent portion of each bent plate abuts against the side wall of the head frame shift fork.

[0011] Preferably, a connecting bearing is provided between the drive screw and the abutment block.

[0012] Preferably, the width of the abutment block gradually narrows towards the end opposite to the drive screw, making it easier for the abutment block to extend into the locking groove of the support roller sidewall.

[0013] Preferably, the cross-section of the inner cavity of the connecting frame is a rounded rectangle; the edges of the abutment block are all rounded, and the sidewalls of the abutment block that fit with the locking groove are provided with friction texture.

[0014] Compared to the aforementioned background technology, the present invention provides a heart-shaped clamp comprising: a connecting frame sleeved around the outer periphery of a support roller, the inner cavity sidewall of the connecting frame fitting against the sidewall of the support roller so that the support roller can rotate synchronously with the connecting frame; mating claws provided on both side walls of the connecting frame, the mating claws extending towards the headstock fork side of the grinding machine, each mating claw clamping and connecting a headstock fork; the connecting frame drivingly connecting the grinding machine and the support roller; and clamping members provided on the other two side walls of the connecting frame, the clamping members being perpendicular to the sidewall of the connecting frame and capable of sliding within the sidewall of the connecting frame. Operators can slide the clamping member closer to the inner cavity of the connecting frame, so that the end of the clamping member extends into the inner cavity of the connecting frame and abuts against the side wall of the support roller. The friction force restricts the axial freedom of the support roller within the connecting frame. The heart-shaped clamp provided in this application clamps the support roller through the inner cavity and connects to the headstock fork of the grinding machine through the mating jaws on the outer wall, thus completing the transmission connection between the grinding machine and the support roller. Then, the end of the clamping member is used to fasten and hold the support roller, locking the position of the connecting frame and the support roller, preventing the connecting frame from sliding left and right due to rotation, which would cause the transmission between the grinding machine and the support roller to separate. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0016] Figure 1 This is a structural diagram of the chicken heart clip provided in an embodiment of the present utility model;

[0017] Figure 2 This is a structural diagram of the head frame fork and support roller provided in an embodiment of the present invention.

[0018] Among them, 1-connecting frame; 2-docking claw; 3-drive screw; 31-screw cap; 4-holding block; 5-guide rod; 51-limiting block; 6-support roller; 61-locking groove; 7-head frame shift fork. Detailed Implementation

[0019] 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.

[0020] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] This utility model provides a chicken heart clip; please refer to the attached instruction manual. Figure 1 To be continued Figure 2The heart-shaped clamp includes a connecting frame 1, which has an inner cavity for placing a support roller 6. The thickness direction of the connecting frame 1 is parallel to the axial direction of the support roller 6. The side wall of the inner cavity of the connecting frame 1 fits against the side wall of the support roller 6, so that the support roller 6 rotates together with the connecting frame 1. In addition, there are mating claws 2 on both sides of the connecting frame 1. Each mating claw 2 extends towards the side that is closer to each other, so that the end of each mating claw 2 abuts against the side wall of the head frame fork 7. The head frame fork 7 provides rotational torque to the connecting frame 1. Furthermore, there are clamping members on the other two side walls of the connecting frame 1. The clamping members pass through the side walls of the connecting frame 1, so that the two ends of the clamping members are respectively located on the connecting frame. The inner cavity and outer side of the connecting frame 1 are connected. In addition, the clamping member can slide inside the side wall of the connecting frame 1. The sliding direction is perpendicular to the axial direction of the support roller 6. When the support roller 6 is connected to the connecting frame 1, the clamping member slides towards the side closer to the axis of the support roller 6. The end of the clamping member abuts against the side wall of the support roller 6. The clamping member can apply a large frictional force to the support roller 6 to prevent the connecting frame 1 from sliding along the axial direction of the support roller 6 during rotation. The connecting frame 1 restricts the rotational freedom of the support roller 6, so that the support roller 6 rotates together with the connecting frame 1. The clamping member restricts the axial freedom of the connecting frame 1 to prevent the connecting frame 1 from separating from the support roller 6, and ensures that the grinding process of the support roller 6 is carried out smoothly.

[0022] Please refer to the instruction manual appendix. Figure 2 The support roller 6 can be specifically a cylinder. The side wall of the support roller 6 has four locking grooves 61 along its own axis. Preferably, the cross-section of the inner cavity of the connecting frame 1 is a rounded rectangle. The arc segment of the inner cavity of the connecting frame 1 fits with the cylindrical side wall of the support roller 6, and the straight segment corresponds to the port of each locking groove 61. When the connecting frame 1 rotates, the arc segment of the connecting frame 1 tends to slide towards the straight segment. However, since the cylindrical side wall of the support roller 6 that fits with the arc segment cannot fit with the straight segment, there is no relative rotation between the connecting frame 1 and the support roller 6. That is, the connecting frame 1 can drive the support roller 6 to rotate. In addition, each clamping component of the connecting frame 1 can correspond to each locking groove 61.

[0023] Please refer to the instruction manual appendix. Figure 1 The clamping component includes a drive screw 3, which is threadedly connected to the connecting frame 1. A retaining block 4 is provided at one end of the drive screw 3 that extends into the inner cavity of the connecting frame 1, and the length direction of the retaining block 4 is perpendicular to the drive screw 3. The drive screw 3 can rotate axially within the retaining block 4. When the support roller 6 is locked to the connecting frame 1 by the clamping component, the operator screws the drive screw 3, which drives the retaining block 4 to move towards the side closer to the axis of the support roller 6. Since the drive screw 3 can rotate within the retaining block 4, the drive screw 3 does not apply torque to the retaining block 4. The retaining block 4 is only subjected to the axial thrust of the drive screw 3, which prevents the retaining block 4 from rotating with the drive screw 3. The retaining block 4 is difficult to accurately extend into the locking groove 61 on the support roller 6.

[0024] Furthermore, guide rods 5 are provided on both sides of the drive screw 3. Each guide rod 5 is parallel to the drive screw 3 and passes through the side wall of the connecting frame 1 and is fixedly connected to the abutment block 4. While guiding the drive screw 3 to slide, the two guide rods 5 also restrict the rotational freedom of the abutment block 4 around the axis of the drive screw 3, preventing the abutment block 4 from rotating due to external factors. Without the restriction of the guide rods 5, during the process of connecting the connecting frame 1 and the support roller 6, the end of the support roller 6 may collide with the abutment block 4, causing the abutment blocks 4 on both the upper and lower sides to rotate at a certain angle. The rotation angles of the upper and lower abutment blocks 4 are different. When each abutment block 4 is in close contact with the support roller 6, the side wall of the support roller 6 is subjected to uneven force. This can lead to the support roller 6 shifting or the clamping effect becoming unstable. Preferably, a screw cap 31 is provided at the end of the drive screw 3 away from the abutment block 4. Several protrusions are provided on the side wall of the screw cap 31. The protrusions are evenly arranged around the axis of the drive screw 3, and a groove is formed between adjacent protrusions. The operator can rotate the drive screw 3 with the groove as the force point, which improves the convenience of this utility model. A limiting block 51 is provided at the end of each guide rod 5 away from the abutment block 4. The diameter of the limiting block 51 is larger than the diameter of the guide rod 5. The limiting block 51 restricts the displacement range of the abutment block 4 and prevents the guide rod 5 from completely penetrating into the inner cavity of the connecting frame 1, which would affect the subsequent disassembly operation of the connecting frame 1 and the support roller 6.

[0025] Preferably, a connecting bearing is provided at the end of the drive screw 3 away from the limiting block 51. The connecting bearing extends into the abutment block 4 along with the drive screw 3. The connecting bearing is used to release the torque generated by the drive screw 3, so that the abutment block 4 is only subjected to the thrust applied by the drive screw 3, ensuring that each abutment block 4 is parallel to each other, and each abutment block 4 can stably apply clamping force to the support roller 6.

[0026] Preferably, the width of the abutment block 4 gradually decreases towards the side away from the drive screw 3, making the cross-section of the abutment block 4 trapezoidal. The end face of the abutment block 4 with a smaller area is used to abut against the side wall of the support roller 6. The abutment block 4 with a gradually decreasing structure is easier to extend into the locking groove 61, making the connection between the connecting frame 1 and the support roller 6 more convenient. In addition, each edge of the abutment block 4 is provided with rounded corners to prevent the edges of the abutment block 4 from colliding with the support roller 6 and causing wear. Preferably, in order to ensure that there is sufficient friction between the abutment block 4 and the support roller 6, friction texture is provided on the end face of the abutment block 4 that is in contact with the support roller 6.

[0027] Please continue to refer to the instruction manual appendix. Figure 1 On both sides of the connecting frame 1 and each clamping component, there are docking claws 2. The docking claws 2 are specifically composed of two bent plates. Each bent plate is located at the end of the side wall, and the bending directions of each bent plate are opposite, so that the end of the bent plate can abut against the side wall of the head frame fork 7.

[0028] In one embodiment of this application, a connecting frame 1 is fitted onto the end of the support roller 6, and the side wall of the support roller 6 is attached to the inner wall of the connecting frame 1, so that the connecting frame 1 and the support roller 6 rotate. The connecting frame 1 slides along the axial direction of the support roller 6, so that the docking claw 2 of the connecting frame 1 engages with the headstock fork 7 of the grinding machine. Then, the operator rotates each drive screw 3 by turning the cap 31. The feed directions of each drive screw 3 are opposite, and the drive screw 3 pushes each abutment block 4, so that the abutment block 4 extends into the locking groove 61 of the support roller 6. The abutment block 4 is tightly attached to the bottom surface of the locking groove 61. The connecting frame 1 restricts the rotational freedom of the support roller 6, so that the support roller 6 rotates together with the connecting frame 1. The clamping member restricts the axial freedom of the connecting frame 1, preventing the connecting frame 1 from separating from the support roller 6. The support roller 6 loses driving force and gradually stops, while the grinding wheel of the grinding machine continues to grind one place of the support roller 6, producing a deep tool mark on the support roller 6.

[0029] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0030] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A chicken heart clamp characterized by, The utility model relates to a support roller locking device, including: Connecting frame (1) is set to support roller (6) outer periphery, support roller (6) with the inner wall of connecting frame (1) is in close contact, both sides of connecting frame (1) are equipped with butt joint dog (2), butt joint dog (2) with head frame fork (7) is clamped, make support roller (6) with head frame fork (7) transmission connection, the two side walls of connecting frame (1) with each butt joint dog (2) adjacent are vertically provided with clamping piece, clamping piece can slide along the direction perpendicular to support roller (6) axis, one end of clamping piece extends to the inner chamber of connecting frame (1) and the side wall of support roller (6) and abuts, each clamping piece locks support roller (6) with connecting frame (1).

2. The center grip of claim 1, wherein, The utility model relates to a support roller locking device, including:

3. The gizzard clip of claim 2, wherein, The two sides of driving screw rod (3) are equipped with guide rod (5), and each guide rod (5) is parallel with driving screw rod (3), and guide rod (5) is vertically provided in the side wall of connecting frame (1) and is fixedly connected with abutting block (4), and guide rod (5) is used for guiding the sliding of driving screw rod (3) and limiting the rotation freedom degree of abutting block (4) around the axis of driving screw rod (3).

4. The gizzard clip of claim 3, wherein, The end of driving screw rod (3) away from abutting block (4) is equipped with screw cap (31), and the side wall of screw cap (31) is uniformly provided with a plurality of convex edges around its axis, and the end of guide rod (5) away from abutting block (4) is equipped with limiting block (51), and limiting block (51) is used for limiting the maximum axial displacement of clamping piece.

5. The gizzard clip of claim 4, wherein, Butt joint dog (2) includes two bending plates with opposite bending directions, and the bending part of each bending plate abuts against the side wall of head frame fork (7).

6. The gizzard clip of claim 5, wherein, Connecting bearing is arranged between driving screw rod (3) and abutting block (4).

7. The center puller of claim 3 wherein, The end of abutting block (4) away from driving screw rod (3) is tapered, so that abutting block (4) can be more easily inserted into the locking groove (61) of the side wall of support roller (6).

8. The gizzard clip of claim 7, wherein, The cross section of the inner chamber of connecting frame (1) is a rounded rectangle, and the edges of abutting block (4) are all provided with rounded corners, and the side wall of abutting block (4) abutting against locking groove (61) is provided with friction texture.

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