Fine adjustment tool rest

Abstract

The utility model relates to a fine adjustment tool rest which comprises a tool rest body, a dovetail groove is formed in the tool rest body, a dovetail sliding block is arranged in the dovetail groove in a sliding mode, and a tool handle containing groove is formed in the dovetail sliding block and used for containing a turning tool. The dovetail sliding block is provided with a turning tool fixing device used for fixing a turning tool placed in the tool handle containing groove to the dovetail sliding block. A first separating groove, a second separating groove, a third separating groove, a fourth separating groove, a fifth separating groove and a sixth separating groove are formed in the side face of the side, away from the dovetail groove, of the tool rest body to divide the tool rest body into a traction part, a first supporting part and a second supporting part. A locking device is further arranged and used for locking the first supporting part, the second supporting part and the dovetail sliding block. The traction part is provided with a distance adjusting screw rod, and the end, away from the traction part, of the distance adjusting screw rod can movably penetrate through the first supporting part and is in threaded connection with the distance adjusting knob. The fine adjustment device has the advantages of simple structure, convenience in operation, high fine adjustment precision, stability and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a fine-tuning tool rest. Background Art

[0002] When performing precision machining of shaft parts, it is usually necessary to make a slight adjustment to the distance between the turning tool and the shaft. Currently, this fine adjustment can be done in the following ways:

[0003] 1. Adjust the sliding guide: The sliding guide is a component on the machine tool used to support and guide the movement of the turning tool. By adjusting the position of the sliding guide, the distance between the turning tool and the workpiece axis can be slightly changed;

[0004] 2. Use fine adjustment device: Some CNC machine tools are equipped with special fine adjustment devices to achieve fine distance adjustment. The operator can move the turning tool position slightly by turning a fine screw or adjusting a precision nut, thereby adjusting the distance between the turning tool and the workpiece axis.

[0005] 3. Automatic compensation system: Some advanced CNC machine tools are equipped with automatic compensation systems, which can automatically adjust the tiny distance between the turning tool and the axis according to the real-time measurement results. The automatic compensation system has the advantages of real-time and automation, and can quickly and accurately adjust the tiny distance, thereby improving the stability and accuracy of the processing.

[0006] However, these methods have the problems of complex structure, high cost and insufficient fine-tuning accuracy. Utility Model Content

[0007] To this end, the utility model provides a fine-tuning tool holder, which mainly solves the technical problems of the fine-tuning tool holder device in the prior art, such as complex structure, high cost and unsatisfactory fine-tuning accuracy, and realizes precise micro-adjustment of the distance between the turning tool and the shaft workpiece, which is particularly suitable for occasions of high-efficiency processing, and the workpiece processing can be completed in one pass of rough processing and fine processing.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A fine-tuning tool holder, comprising a tool holder body; further comprising a locking device; a dovetail groove is provided on the left side of the tool holder body; a dovetail slider can be slidably arranged on the dovetail groove; a tool handle placement groove is provided on the dovetail slider for placing a turning tool; the dovetail slider is provided with a turning tool fixing device for fixing the turning tool placed in the tool handle placement groove on the dovetail slider; a first separation groove and a second separation groove are respectively provided on the front and rear sides of the middle of the side of the tool holder body away from the dovetail groove, and a third separation groove and a fourth separation groove are respectively provided on the front and rear sides of the lower part; the tops of the first separation groove and the second separation groove are connected through a fifth separation groove; the bottom end of the first separation groove is connected to the third separation groove The top of the separation groove is connected, and the bottom end of the second separation groove is connected with the top end of the fourth separation groove; the bottoms of the first separation groove, the second separation groove, the third separation groove, the fourth separation groove and the fifth separation groove are all located in the dovetail groove, and a pulling portion is formed therein; a sixth separation groove is provided on the top surface of the tool holder body and passes through it downward; the bottom end of the sixth separation groove is connected with the fifth separation groove, which divides the tool holder body into a first support portion and a second support portion; the locking device is used to lock the first support portion, the second support portion and the dovetail slider; the pulling portion is provided with a pitch adjusting screw; the end of the pitch adjusting screw away from the pulling portion can movably pass through the first support portion and is threadedly connected to the pitch adjusting knob.

[0010] Preferably, the distance between the first separation groove and the second separation groove is smaller than the distance between the third separation groove and the fourth separation groove.

[0011] Optionally, the turning tool fixing device is a turning tool fixing screw threadedly connected to the dovetail slider; the bottom end of the turning tool fixing screw can pass through the dovetail slider and contact the outer surface of the turning tool.

[0012] Optionally, the locking device includes a locking screw movably arranged on the first supporting part; the bottom of the locking screw can pass through the first supporting part and be threadedly connected to the second supporting part.

[0013] Preferably, the side wall of the distance adjustment knob is provided with scale marks.

[0014] Preferably, the dovetail slider is threadedly connected to the lifting screw; a tool holder base is provided at the bottom of the tool holder body; and the bottom end of the lifting screw passes through the dovetail slider and contacts the top surface of the tool holder base.

[0015] Preferably, the first supporting portion is provided with a dial gauge.

[0016] The utility model has at least the following beneficial effects:

[0017] A tool holder body is provided, and a dovetail groove is provided on the tool holder body. A dovetail slider is slidably provided in the dovetail groove, and a tool handle placement groove is provided on the dovetail slider for placing a turning tool. The dovetail slider is provided with a turning tool fixing device for fixing the turning tool placed in the tool handle placement groove on the dovetail slider. The tool holder body is divided into a pulling part, a first supporting part and a second supporting part by providing a first separation groove, a second separation groove, a third separation groove, a fourth separation groove, a fifth separation groove and a sixth separation groove on the side of the tool holder body away from the dovetail groove. A locking device is also provided for locking the first supporting part, the second supporting part and the dovetail slider. The pulling part is provided with a pitch adjusting screw, and the end of the pitch adjusting screw away from the pulling part can movably pass through the first supporting part and is threadedly connected to the pitch adjusting knob. When adjusting the distance of the turning tool, rotate the distance adjusting knob. Under the action of the distance adjusting screw and the pulling part, the distance adjusting knob pushes or releases the pressure on the first supporting part, so that the first supporting part swings slightly backward or forward. At the same time, the second supporting part supports or pulls the movement of the first supporting part, making the overall movement smoother and more accurate, thereby realizing precise fine-tuning of the turning tool placed on the dovetail slider.

[0018] It can be seen that the fine-tuning tool holder of the utility model has the advantages of simple structure, convenient operation, high fine-tuning precision and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly explain the prior art and the present invention, the following briefly introduces the drawings required for describing the prior art and the present invention. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other drawings can be derived from the provided drawings without creative work.

[0020] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportion or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0021] Figure 1 This is a structural schematic diagram of a fine-tuning tool holder of the utility model;

[0022] Figure 2 This is an exploded view of a fine-tuning tool holder of the utility model;

[0023] Figure 3 This is a front view of a fine-tuning tool holder of the utility model;

[0024] Figure 4 This is a right side view of a fine-tuning tool holder of the utility model;

[0025] Figure 5 This is a diagram of the use state of a fine-tuning tool holder of the utility model;

[0026] Description of reference numerals:

[0027] 1. Tool holder body; 101. First supporting part; 102. Second supporting part; 103. Pulling part; 104. First separation groove; 105. Second separation groove; 106. Third separation groove; 107. Fourth separation groove; 108. Fifth separation groove; 109. Sixth separation groove; 110. Tool holder base; 2. Dovetail slider; 201. Tool handle placement groove; 3. Lifting screw; 4. Turning tool fixing screw; 5. Locking screw; 6. Distance adjustment knob; 7. Micrometer; 8. Distance adjustment screw; 9. Turning tool; 10. Axis to be processed. DETAILED DESCRIPTION

[0028] The present application is further described below in detail through specific embodiments in conjunction with the accompanying drawings.

[0029] In the description of this application: unless otherwise specified, the meaning of "plurality" is two or more. The terms "first", "second", "third", etc. in this application are intended to distinguish the objects referred to, and do not have special meanings in terms of technical connotations (for example, they should not be understood as emphasizing the importance or order, etc.). Expressions such as "including", "comprising", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

[0030] The terms such as "upper", "lower", "left", "right", "middle", etc. used in this application are usually used to facilitate intuitive understanding by comparing with the accompanying drawings, and are not absolute limitations on the positional relationship in the actual product. Without departing from the technical concept disclosed in this application, changes in these relative positional relationships should also be regarded as the scope of this application.

[0031] The utility model provides a fine-tuning tool holder, such as Figures 1 to 4As shown, a tool holder body 1 is provided, a dovetail groove is provided on the left side of the tool holder body 1, a dovetail slider 2 can be slidably provided in the dovetail groove, and the dovetail slider 2 is provided with a tool handle placement groove 201 for placing a turning tool. The dovetail slider 2 is provided with a turning tool fixing device for fixing the turning tool placed in the tool handle placement groove 201 on the dovetail slider 2. The first separation groove 104 and the second separation groove 105 are respectively provided on the front and rear sides of the middle part of the side of the tool holder body 1 away from the dovetail groove, and the third separation groove 106 and the fourth separation groove 107 are respectively provided on the front and rear sides of the lower part. The top ends of the first separation groove 104 and the second separation groove 105 are connected through the fifth separation groove 108. The bottom end of the first separation groove 104 is connected to the top end of the third separation groove 106, and the bottom end of the second separation groove 105 is connected to the top end of the fourth separation groove 107. The bottoms of the first separation groove 104, the second separation groove 105, the third separation groove 106, the fourth separation groove 107 and the fifth separation groove 108 are all located in the dovetail groove, and the pulling part 103 is formed therein. The sixth separation groove 109 is provided downwardly through the top surface of the tool holder body 1, and the bottom end of the sixth separation groove 109 is connected to the fifth separation groove 108, which divides the tool holder body 1 into the first support part 101 and the second support part 102. In order to lock the first support part 101, the second support part 102 and the dovetail slider (2), a locking device is also provided, and the locking device locks the first support part 101, the second support part 102 and the dovetail slider (2). In order to fine-tune the turning tool, the pulling part 103 is provided with a pitch adjustment screw 8, and the end of the pitch adjustment screw 8 away from the pulling part 103 can movably pass through the first support part 101 and is threadedly connected with the pitch adjustment knob 6. When the pitch adjustment knob 6 is rotated, under the action of the pitch adjustment screw 8 and the pulling part 103, the pitch adjustment knob 6 pushes or releases pressure on the first support part 101, so that the first support part 101 swings slightly backward or forward, and at the same time, the second support part 102 supports or pulls the movement of the first support part 101, so that the overall movement is more stable and accurate, thereby realizing accurate fine-tuning of the turning tool placed on the dovetail slider 2.

[0032] Preferably, in order to enhance the strength and stability of the pulling portion 103 and improve the precision of fine-tuning of the tool holder of the present application, the distance between the first separation groove 104 and the second separation groove 105 is smaller than the distance between the third separation groove 106 and the fourth separation groove 107 .

[0033] Optionally, the embodiment of the present application provides a preferred structure of the turning tool fixing device, specifically: the turning tool fixing device is a turning tool fixing screw 4 threadedly connected to the dovetail slider 2, and the bottom end of the turning tool fixing screw 4 can pass through the dovetail slider 2 and contact the outer surface of the turning tool. By rotating the turning tool fixing screw 4, the turning tool fixing screw 4 squeezes the turning tool into the dovetail groove, so that the turning tool is fixed on the dovetail slider 2.

[0034] Optionally, the embodiment of the present application provides a preferred structure of the locking device, specifically: the locking device includes a locking screw 5 movably arranged on the first support part 101, the bottom of the locking screw 5 can pass through the first support part 101 and be threadedly connected to the second support part 102, and the locking screw 5 is rotated, and the first support part 101 and the second support part 102 clamp and fix the dovetail slider 2.

[0035] Preferably, in order to facilitate determination of the moving distance, a scale mark is provided on the side wall of the distance adjusting knob 6. The scale mark can be engraved or printed on the side wall of the distance adjusting knob 6. The scale mark can be used to conveniently determine the angle at which the distance adjusting knob 6 needs to be rotated for fine-tuning.

[0036] Preferably, in order to accurately adjust the height of the turning tool, the dovetail slider 2 is threadedly connected to the lifting screw 3, and a tool holder base 110 is provided at the bottom of the tool holder body 1. The bottom end of the lifting screw 3 passes through the dovetail slider 2 and contacts the top surface of the tool holder base 110. The lifting screw 3 is rotated, and the height of the dovetail slider 2 is accurately adjusted under the action of the thread, thereby adjusting the height of the turning tool.

[0037] Preferably, in order to facilitate measurement of the moving distance of the turning tool, a micrometer 7 is provided on the first supporting portion 101 to facilitate distance measurement.

[0038] When using, Figure 5 As shown, place the shank of the turning tool 9 into the shank placement groove 201 of the dovetail slider 2; adjust the distance between the turning tool 9 and the axis 10 to be processed, then rotate the turning tool fixing screw 4 to fix the turning tool 9 and the dovetail slider 2; rotate the lifting screw 3 to adjust the height between the turning tool 6 and the axis 10 to be processed, then rotate the locking screw 5 to lock the dovetail slider 2 between the first support part 101 and the second support part 102; determine the fine-tuning amount of the turning tool 9 by the micrometer 7; rotate the distance adjustment knob 6 to fine-tune the turning tool 9.

[0039] The above is a relatively specific and detailed description of the present application through general description and specific embodiments. It should be understood that, based on the technical concept of the present application, several conventional adjustments or further innovations can be made to these specific embodiments; however, as long as they do not deviate from the technical concept of the present application, the technical solutions obtained by these conventional adjustments or further innovations also fall within the scope of protection of the claims of the present application.

Claims

1. A fine-tuning tool holder, comprising a tool holder body (1), characterized in that: The tool holder body (1) also includes a locking device; a dovetail groove is provided on the left side surface; a dovetail slider (2) can be slidably arranged in the dovetail groove; a tool handle placement groove (201) is provided in the dovetail slider (2) for placing a turning tool; the dovetail slider (2) is provided with a turning tool fixing device for fixing the turning tool placed in the tool handle placement groove (201) on the dovetail slider (2); a first separation groove (104) and a second separation groove (105) are respectively provided on the front and rear sides of the middle part of the side surface of the tool holder body (1) away from the dovetail groove, and a third separation groove (106) and a fourth separation groove (107) are respectively provided on the front and rear sides of the lower part; the top ends of the first separation groove (104) and the second separation groove (105) are connected through a fifth separation groove (108); the bottom end of the first separation groove (104) is connected to the top end of the third separation groove (106), and the bottom end of the second separation groove (105) is connected to the fourth separation groove (107). The top of the groove (107) is connected; the bottoms of the first separation groove (104), the second separation groove (105), the third separation groove (106), the fourth separation groove (107) and the fifth separation groove (108) are all located in the dovetail groove, and a pulling portion (103) is formed therein; a sixth separation groove (109) is provided on the top surface of the tool holder body (1) and passes through it downward; the bottom end of the sixth separation groove (109) is connected to the fifth separation groove (108), which divides the tool holder body (1) into a first supporting portion (101) and a second supporting portion (102); the locking device is used to lock the first supporting portion (101), the second supporting portion (102) and the dovetail slider (2); the pulling portion (103) is provided with a pitch adjusting screw (8); the end of the pitch adjusting screw (8) away from the pulling portion (103) can movably pass through the first supporting portion (101) and is threadedly connected to the pitch adjusting knob (6).

2. A fine-tuning tool holder according to claim 1, characterized in that: The distance between the first separation groove (104) and the second separation groove (105) is smaller than the distance between the third separation groove (106) and the fourth separation groove (107).

3. A fine-tuning tool holder according to claim 1, characterized in that: The turning tool fixing device is a turning tool fixing screw (4) threadedly connected to the dovetail slider (2); the bottom end of the turning tool fixing screw (4) can pass through the dovetail slider (2) to contact the outer surface of the turning tool.

4. The fine-tuning tool holder according to claim 1, characterized in that: The locking device comprises a locking screw (5) movably arranged on the first supporting part (101); the bottom of the locking screw (5) can pass through the first supporting part (101) and be threadedly connected to the second supporting part (102).

5. The fine-tuning tool holder according to claim 1, characterized in that: The side wall of the distance adjustment knob (6) is provided with scale marks.

6. A fine-tuning tool holder according to any one of claims 1 to 5, characterized in that: The dovetail slider (2) is threadedly connected to the lifting screw (3); a tool holder base (110) is provided at the bottom of the tool holder body (1); the bottom end of the lifting screw (3) passes through the dovetail slider (2) and contacts the top surface of the tool holder base (110).

7. A fine-tuning tool holder according to claim 6, characterized in that: The first supporting portion (101) is provided with a micrometer (7).

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