Grinding head of numerical control machine tool

Abstract

The utility model provides a grinding head of a numerical control machine tool. The grinding head comprises a cutter bar assembly, a cutter bar body, a cutter head, a mounting rod and a grinding head assembly, a cutter head is fixed to one side of the cutter bar body, and a mounting rod is fixed to the side, away from the cutter bar body, of the cutter head. The grinding head assembly comprises a grinding head body and a second reserved hole, the second reserved hole is formed in the middle of the grinding head body, the grinding head body is inserted into the outer portion of the mounting rod through the second reserved hole, an embedding groove is formed in the side, away from the cutter bar body, of the grinding head body, and a positioning assembly is rotationally arranged on one side of the mounting rod. And the positioning assembly comprises baffles, the baffles are rotationally arranged at the two ends of the side, away from the cutter head, of the mounting rod correspondingly, and the baffles are embedded into the embedding grooves. According to the grinding head, the baffle is overturned to be in a horizontal state, the baffle is embedded in the caulking groove, and the shifting rod is also located in the caulking groove, so that the round edge of the grinding head body and one face of the grinding head body can be used for grinding a workpiece, and the grinding head can grind an object in two modes.

Description

Technical Field

[0001] The utility model relates to a grinding head, in particular to a grinding head for a numerically controlled machine tool, and belongs to the technical field of numerically controlled machine tools. Background Art

[0002] A grinding head is a general term for a small grinding tool with a handle, which is used in grinding equipment, grinders, electric drills and other equipment. In the grinding equipment, the grinding head and the workpiece are in contact, and the workpiece is rotated or moved, or the grinding head is rotated, so as to realize the grinding state between the workpiece and the grinding head, thereby realizing the processing of the workpiece;

[0003] A Chinese patent publication (publication number: CN219633462U) discloses a grinding head for a CNC machine tool, comprising a tool holder, the inner wall of which is provided with a clamping mechanism, the outer wall of which is fitted with the grinding head, a round rod fixedly connected to one side of the tool holder, the outer wall of which is sleeved with the inner wall of the grinding head, a sleeve plate rotatably connected to the outer wall of the tool holder, a side plate fixedly connected to the outer wall of the tool holder, and one side of the sleeve plate fitted with one side of the side plate. By driving the threaded rod to rotate, the threaded rod drives the solid plate to move, the vertical plate drives the inclined rod to move, the inclined rod drives the slider to retract inward, and the new grinding head is put on the outer wall of the tool holder, driving the threaded rod to rotate in the opposite direction, the threaded rod drives the inclined rod to move through the solid plate, the inclined rod drives the slider to move outward, and the slider cooperates with the tool holder to fix the grinding head. This fixing method replaces the original screw fixing method, thereby improving the fixing efficiency of the grinding head; the threaded rod in the above-mentioned grinding head assembly is in a protruding state on one side of the grinding head. Due to the assembly method, it is not conducive to using one side of the grinding head plane to grind the workpiece, which will reduce the use area of ​​the grinding head and reduce the range of wear of the grinding head for the CNC machine tool on the workpiece; for this reason, a grinding head for a CNC machine tool is proposed, which can use two surface areas to grind the workpiece. Utility Model Content

[0004] In view of this, the utility model provides a CNC machine tool grinding head to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the utility model is implemented as follows: comprising a cutter bar assembly, a cutter bar body, a cutter disc, a mounting rod and a grinding head assembly;

[0006] A cutter disc is fixed on one side of the cutter bar body, and a mounting rod is fixed on the side of the cutter disc away from the cutter bar body;

[0007] The grinding head assembly includes a grinding head body and a second reserved hole. The second reserved hole is opened in the middle of the grinding head body. The grinding head body is inserted into the outside of the mounting rod through the second reserved hole. A groove is opened on the side of the grinding head body away from the knife rod body. A positioning assembly is rotatably arranged on one side of the mounting rod.

[0008] The positioning assembly comprises a baffle, and baffles are rotatably arranged at both ends of the mounting rod away from the cutter disc, and the baffles are embedded in the embedding groove.

[0009] Further preferably, mounting components are installed at positions near both ends of the cutter disc, and the mounting components include an insertion rod, which is installed through positions near both ends of the cutter disc, a reserved hole 1 is opened on the grinding head body at the position corresponding to the insertion rod, and a through hole is opened on the baffle at a position corresponding to the reserved hole 1.

[0010] Further preferably, triangular reinforcing plates are integrally fixed at upper and lower positions on the arbor body near the cutter disc, and the two reinforcing plates are symmetrically arranged about the central axis of the arbor body at the connection between the arbor body and the cutter disc.

[0011] Further preferably, an inner cavity is opened inside the insertion rod on a side away from the blade body, a stopper is provided outside the insertion rod to slide through the inner cavity, and a corner position on one side of the stopper is arranged in an inclined surface.

[0012] Further preferably, one end of the stopper is located in the inner cavity and a spring is fixed thereto, the other end of the spring is fixedly connected to the inner wall of the inner cavity, and the stopper forms a reset structure through the spring.

[0013] Further preferably, a lever is fixed on one side of the stopper in the inner cavity, and the lever extends to the outside of the insertion rod, and the length of the lever protruding from one side of the insertion rod is less than the left and right lengths of the embedding groove.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] 1. The baffle of the utility model is flipped to a horizontal state, the baffle is embedded in the embedding groove, and the lever is also in the embedding groove, so that the circular edge of the grinding head body and one side of the grinding head body can be used to grind the workpiece, thereby realizing the grinding head grinding the object in two ways.

[0016] 2. The utility model inserts the rod into the cutter disc, the grinding head body and the baffle plate, and utilizes the stopper to abut against one side of the baffle plate, thereby realizing a method of facilitating installation between the grinding head body and the mounting rod. Since the stopper is reset by a spring, the lever is pushed and the stopper shrinks into the inner cavity, thereby facilitating the removal of the grinding head body from the mounting rod.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art 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.

[0019] Figure 1 It is a left-side isometric structural diagram of the utility model;

[0020] Figure 2 It is a right-side isometric structural diagram of the utility model;

[0021] Figure 3 This is a left-side exploded structural diagram of the utility model;

[0022] Figure 4 This is a structural diagram of the baffle in the utility model in a combined state;

[0023] Figure 5 It is the right side exploded structure diagram of the utility model;

[0024] Figure 6 It is a partial cross-sectional structural diagram of the insertion rod of the utility model.

[0025] Figure numerals: 1. tool rod assembly; 11. tool rod body; 12. tool disc; 13. mounting rod; 2. mounting assembly; 21. plug rod; 22. block; 23. lever; 24. inner cavity; 25. spring; 3. grinding head assembly; 31. grinding head body; 32. reserved hole one; 33. reserved hole two; 34. embedded groove; 4. positioning assembly; 41. through hole; 42. baffle. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] like Figure 1-6 As shown, the embodiment of the utility model provides a grinding head for a CNC machine tool, comprising a tool bar assembly 1, a tool bar body 11, a tool disc 12, a mounting rod 13 and a grinding head assembly 3;

[0029] A cutter disc 12 is fixed to one side of the cutter bar body 11, and a mounting rod 13 is fixed to the side of the cutter disc 12 away from the cutter bar body 11;

[0030] The grinding head assembly 3 includes a grinding head body 31 and a second reserved hole 33. The second reserved hole 33 is opened at the middle position of the grinding head body 31. The grinding head body 31 is inserted into the outside of the mounting rod 13 through the second reserved hole 33. A groove 34 is opened on the side of the grinding head body 31 away from the arbor body 11. A positioning assembly 4 is rotatably arranged on one side of the mounting rod 13.

[0031] The positioning assembly 4 includes a baffle 42, and baffles 42 are rotated at both ends of the mounting rod 13 away from the cutter disc 12, and the baffles 42 are embedded in the embedding groove 34. When the baffle 42 is rotated to be perpendicular to the mounting rod 13, the mounting rod 13 is limited between the cutter disc 12 and the baffle 42, so that the grinding head body 31 can be limitedly installed on the mounting rod 13, and the stability of the subsequent grinding head body 31 when grinding the workpiece is improved through the limited installation.

[0032] In one embodiment, the installation assembly 2 is installed at the positions near both ends of the cutter disc 12, and the installation assembly 2 includes an insertion rod 21, which is installed through the positions near both ends of the cutter disc 12, and a reserved hole 32 is opened on the grinding head body 31 at the position corresponding to the insertion rod 21, and a through hole 41 is opened on the baffle plate 42 at the position corresponding to the reserved hole 32. The insertion rod 21 passes through the cutter disc 12 and the grinding head body 31 through the reserved hole 32 and the through hole 41. When the through hole 41 and the reserved hole 32 are provided with threads, the grinding head body 31 can be fixed to one side of the cutter disc 12 by replacing the insertion rod 21 with a screw.

[0033] In one embodiment, a triangular reinforcing plate is integrally fixed to the upper and lower positions of the blade body 11 near the blade disc 12, and the two reinforcing plates are symmetrically arranged about the central axis of the blade body 11 at the connection between the blade body 11 and the blade disc 12. The reinforcing plates increase the firmness between the blade disc 12 and the blade body 11.

[0034] In one embodiment, an inner cavity 24 is provided inside the insert rod 21 away from the blade body 11, and a stopper 22 is provided outside the insert rod 21 to slide through the inner cavity 24, and a corner position of one side of the stopper 22 is provided with an inclined surface. The stopper 22 abuts against one side of the baffle 42, thereby limiting the grinding head body 31 between the blade disc 12 and the baffle 42.

[0035] In one embodiment, one end of the stopper 22 is located in the inner cavity 24 and fixed with a spring 25, and the other end of the spring 25 is fixedly connected to the inner wall of the inner cavity 24, and the stopper 22 forms a reset structure through the spring 25. After the insertion rod 21 passes through the through hole 41, the stopper 22 is not blocked by an object, and is reset under the action of the spring 25, and the grinding head body 31 is firmly fixed on the mounting rod 13 by the reset.

[0036] In one embodiment, a lever 23 is fixed to one side of the stopper 22 in the inner cavity 24, and the lever 23 extends to the outside of the insertion rod 21. The length of the lever 23 protruding from one side of the insertion rod 21 is less than the length of the groove 34. The lever 23 does not protrude from one side of the grinding head body 31, so that the grinding head body 31 does not affect the grinding of the workpiece with one side of the round surface.

[0037] When the utility model is in operation: first, the baffle plate 42 is rotated to be in the same parallel position as the mounting rod 13, and then the grinding head body 31 is inserted into the mounting rod 13 through the reserved hole 2 33, the baffle plate 42 is flipped and is vertical to the mounting rod 13, the baffle plate 42 is hidden in the embedding groove 34, and then the insertion rod 21 is inserted through the cutter disc 12, the grinding head body 31 and the baffle plate 42. However, at this time, the stopper 22 is reset to extend outward by the spring 25, and the stopper 22 is now in contact with one side of the baffle plate 42, so that the grinding head body 31 is fixedly assembled on the mounting rod 13.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A grinding head for a CNC machine tool, characterized in that: It comprises a cutter bar assembly (1), a cutter bar body (11), a cutter disc (12), a mounting rod (13) and a grinding head assembly (3); A cutter disc (12) is fixed to one side of the cutter bar body (11), and a mounting rod (13) is fixed to the side of the cutter disc (12) away from the cutter bar body (11); The grinding head assembly (3) comprises a grinding head body (31) and a second reserved hole (33); a second reserved hole (33) is provided at a middle position of the grinding head body (31); the grinding head body (31) is inserted into the outside of the mounting rod (13) through the second reserved hole (33); a groove (34) is provided on a side of the grinding head body (31) away from the knife bar body (11); and a positioning assembly (4) is rotatably provided on one side of the mounting rod (13); The positioning assembly (4) comprises a baffle (42), and baffles (42) are rotatably provided at both ends of the mounting rod (13) away from the blade disc (12), and the baffles (42) are embedded in the embedding groove (34).

2. A CNC machine tool grinding head according to claim 1, characterized in that: The cutter disc (12) is provided with mounting components (2) at positions close to both ends. The mounting components (2) include an insertion rod (21). The insertion rod (21) is installed through positions close to both ends of the cutter disc (12). A reserved hole (32) is provided on the grinding head body (31) at a position corresponding to the insertion rod (21). A through hole (41) is provided on the baffle plate (42) at a position corresponding to the reserved hole (32).

3. A CNC machine tool grinding head according to claim 2, characterized in that: A triangular reinforcing plate is integrally fixed to the upper and lower positions of the blade body (11) near the blade disc (12), and the two reinforcing plates are symmetrically arranged about the central axis of the blade body (11) at the connection between the blade body (11) and the blade disc (12).

4. A CNC machine tool grinding head according to claim 2, characterized in that: An inner cavity (24) is provided inside the insert rod (21) at a side away from the blade body (11), and a stopper (22) is provided outside the insert rod (21) to slide through the inner cavity (24), and a corner position on one side of the stopper (22) is arranged in an inclined surface.

5. A CNC machine tool grinding head according to claim 4, characterized in that: One end of the stopper (22) is located in the inner cavity (24) and is fixed with a spring (25), and the other end of the spring (25) is fixedly connected to the inner wall of the inner cavity (24), and the stopper (22) forms a reset structure through the spring (25).

6. A CNC machine tool grinding head according to claim 5, characterized in that: A lever (23) is fixed on one side of the stopper (22) in the inner cavity (24), and the lever (23) extends to the outside of the insertion rod (21). The length of the lever (23) protruding from one side of the insertion rod (21) is less than the left and right length of the embedding groove (34).

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