Machine tool clamping jaw convenient to maintain

Abstract

The utility model discloses a machine tool clamping jaw convenient to maintain, which belongs to the technical field of machine tool clamping jaws and comprises a clamping jaw body, rectangular sliding grooves are arranged on two sides of the clamping jaw body, a spiral groove is arranged at the bottom of the outer surface of the clamping jaw body, and an oil injection structure convenient to disassemble is arranged at the top of the outer surface of the clamping jaw body. A convenient-to-disassemble and replace structure is arranged on one side of the outer surface of the clamping jaw body, the convenient-to-disassemble oil injection structure comprises an L-shaped clamping block, and a first threaded hole and a second threaded hole are formed in the top of the L-shaped clamping block. According to the machine tool clamping jaw convenient to maintain, by arranging an oil injection structure convenient to disassemble, under the action of a first threaded clamping rod and a second threaded clamping rod, a first threaded hole and a second threaded hole can be blocked, and the first threaded hole and the second threaded hole can be matched with a first oil injection hole and a second oil injection hole to add lubricating oil; and furthermore, the joint of the bottom of the clamping jaw body and the chuck body can be lubricated, so that abrasion caused by friction is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool clamping claws, in particular to a machine tool clamping claw which is easy to maintain. Background Art

[0002] The jaws are an important part of a mechanical structure, mainly used to clamp and position workpieces during machining. In a three-jaw chuck, they are usually evenly distributed 360 degrees so that the three jaws can approach or withdraw from the center at the same time to complete the work.

[0003] The clamping claw of the prior art mainly includes a clamping claw body, a rectangular slide groove and a spiral groove. When in use, the rectangular slide groove and the spiral groove are respectively installed with the rectangular slider and the spiral block on the chuck body, thereby driving the clamping claw body to approach the center for clamping.

[0004] However, in actual use, there is great friction between the bottom of the jaw and the connection between the chuck body, which can easily cause severe wear after long-term use, thereby reducing the service life of the jaw body and increasing subsequent maintenance and replacement costs. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a machine tool claw that is easy to maintain, which solves the problem that in actual use, there is large friction between the connection between the bottom of the claw and the chuck body, which is easy to cause serious wear after long-term use, thereby reducing the service life of the claw body and increasing the subsequent maintenance and replacement costs.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine tool jaw that is easy to maintain, comprising a jaw body, rectangular slide grooves are provided on both sides of the jaw body, a spiral groove is provided on the bottom of the outer surface of the jaw body, an easy-to-disassemble oil filling structure is provided at the top of the outer surface of the jaw body, and an easy-to-disassemble replacement structure is provided on one side of the outer surface of the jaw body, the easy-to-disassemble oil filling structure comprises an L-shaped clamping block, a first threaded hole and a second threaded hole are provided at the top of the L-shaped clamping block, a first receiving groove and a second receiving groove are provided at the top of the outer surface of the L-shaped clamping block above the first threaded hole and the second threaded hole, a first oil filling hole and a second oil filling hole are provided on the inner wall of the jaw body, the first threaded hole is aligned with the first oil filling hole, and the second threaded hole is aligned with the second oil filling hole.

[0009] As a further solution of the utility model: the inner wall of the first threaded hole is threadedly connected to a first threaded clamping rod, and the inner wall of the second threaded hole is threadedly connected to a second threaded clamping rod.

[0010] As a further solution of the utility model: a first operating block is fixedly connected to the top end of the outer surface of the first threaded clamping rod, and a second operating block is fixedly connected to the top end of the outer surface of the second threaded clamping rod. The first operating block is clamped to the first receiving groove, and the second operating block is clamped to the second receiving groove.

[0011] As a further solution of the utility model: a connecting plate is fixedly connected to one side of the outer surface of the L-shaped block, a rectangular block is fixedly connected to the bottom of the outer surface of the connecting plate, a rectangular slot is opened on the top of the outer surface of the claw body, and the rectangular block and the rectangular slot can be detachably connected.

[0012] As a further solution of the utility model: a first insertion hole is opened on one side of the outer surface of the claw body, a third threaded clamping rod is inserted into the inner wall of the first insertion hole, a third threaded hole is opened on the inner wall of one side of the rectangular clamping block, and the third threaded clamping rod and the third threaded hole are detachably threadedly connected.

[0013] As a further solution of the utility model: the easy-to-disassemble and replace structure includes a rectangular clamping groove, which is opened on one side of the outer surface of the claw body, and the inner wall of the rectangular clamping groove is clamped with a clamping plate, and one side of the outer surface of the clamping plate is fixedly connected with an anti-slip protrusion.

[0014] As a further solution of the utility model: second insertion holes which penetrate the rectangular clamping grooves are opened on both sides of the claw body, a third insertion hole is opened on the inner wall of the clamping plate, threaded rods are inserted into the inner walls of the second and third insertion holes, and one end of the threaded rod is threadedly connected with a fixing nut.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The machine tool jaw which is easy to maintain is provided with an easy-to-disassemble oil filling structure. Under the action of the first threaded clamping rod and the second threaded clamping rod, the first threaded hole and the second threaded hole can be blocked. The first threaded hole and the second threaded hole can cooperate with the first oil filling hole and the second oil filling hole to add lubricating oil, so that the bottom of the jaw body and the connection between the chuck body can be lubricated, thereby reducing the wear caused by friction and increasing the service life of the jaw body.

[0018] 2. The machine tool clamping claw which is easy to maintain can fix the connecting plate and the clamping claw body by providing a rectangular clamping block and a rectangular clamping frame, so that the L-shaped clamping block can be fixed to the clamping claw body, thereby facilitating disassembly and maintenance thereof.

[0019] 3. The machine tool clamping claw which is easy to maintain can assist in fixing the clamping plate by setting a structure for easy disassembly and replacement, under the action of the rectangular clamping block and the rectangular clamping groove, and further, under the action of the threaded plug rod and the second and third sockets, the clamping plate can be assisted in fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the L-shaped card block of the utility model;

[0022] Figure 3 It is a three-dimensional structural diagram of the claw body of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the clamping plate of the utility model.

[0024] In the figure: 1. claw body; 2. spiral groove; 3. rectangular slide groove; 4. easy-to-disassemble oil injection structure; 41. L-shaped block; 42. first threaded hole; 43. second threaded hole; 44. first oil injection hole; 45. second oil injection hole; 46. first receiving groove; 47. second receiving groove; 48. first threaded clamping rod; 49. first operating block; 410. second threaded clamping rod; 411. second operating block; 412. connecting plate; 413. rectangular block; 414. third threaded hole; 415. rectangular clamping groove; 416. first plug hole; 417. third threaded clamping rod; 5. easy-to-disassemble replacement structure; 51. rectangular clamping groove; 52. clamping plate; 53. second plug hole; 54. third plug hole; 55. threaded plug rod; 56. fixing nut; 57. anti-slip bump. DETAILED DESCRIPTION

[0025] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0026] like Figure 1-4As shown, the utility model provides a technical solution: a machine tool clamping claw that is easy to maintain, including a clamping claw body 1, rectangular slide grooves 3 are opened on both sides of the clamping claw body 1, a spiral groove 2 is opened on the bottom of the outer surface of the clamping claw body 1, and an easy-to-disassemble oil injection structure 4 is arranged on the top of the outer surface of the clamping claw body 1. An easy-to-disassemble replacement structure 5 is arranged on one side of the outer surface of the clamping claw body 1. The easy-to-disassemble oil injection structure 4 includes an L-shaped clamping block 41. By setting the L-shaped clamping block 41, the clamping claw body 1 can be fixed and limited. The top of the L-shaped clamping block 41 is opened with a first threaded hole 42 and a second threaded hole 43. The top of the outer surface of the L-shaped clamping block 41 is located at the first A first receiving groove 46 and a second receiving groove 47 are provided above the threaded hole 42 and the second threaded hole 43. By providing the first threaded hole 42 and the second threaded hole 43, the first receiving groove 46 and the second receiving groove 47 can cooperate with each other to play a role in the first threaded clamping rod 48 and the second threaded clamping rod 410. A first oil filling hole 44 and a second oil filling hole 45 are provided on the inner wall of the claw body 1. The first threaded hole 42 is aligned with the first oil filling hole 44, and the second threaded hole 43 is aligned with the second oil filling hole 45. By providing the first oil filling hole 44 and the second oil filling hole 45, the connection between the claw body 1 and the chuck body can be lubricated.

[0027] Specifically, Figure 2 and Figure 3 As shown, the inner wall of the first threaded hole 42 is threadedly connected to the first threaded clamping rod 48, the inner wall of the second threaded hole 43 is threadedly connected to the second threaded clamping rod 410, the top of the outer surface of the first threaded clamping rod 48 is fixedly connected to the first operating block 49, the top of the outer surface of the second threaded clamping rod 410 is fixedly connected to the second operating block 411, the first operating block 49 is clamped with the first receiving groove 46, and the first threaded hole 42 and the second threaded hole 43 can be blocked by setting the first threaded clamping rod 48 and the second threaded clamping rod 410, the second operating block 411 is clamped with the second receiving groove 47, and one side of the outer surface of the L-shaped clamping block 41 is fixedly connected to a connecting plate 412, and the bottom of the outer surface of the connecting plate 412 A rectangular clamping block 413 is fixedly connected, and a rectangular clamping groove 415 is provided on the top of the outer surface of the claw body 1. By setting the rectangular clamping block 413 and the rectangular clamping groove 415, the connecting plate 412 and the claw body 1 can be fixed, the rectangular clamping block 413 and the rectangular clamping groove 415 can be detachably clamped, a first plug hole 416 is provided on one side of the outer surface of the claw body 1, and a third threaded clamping rod 417 is inserted into the inner wall of the first plug hole 416. A third threaded hole 414 is provided on the inner wall of one side of the rectangular clamping block 413, and the third threaded clamping rod 417 is detachably threadedly connected with the third threaded hole 414. By setting the third threaded clamping rod 417, the rectangular clamping block 413 and the rectangular clamping groove 415 can be auxiliary fixed.

[0028] Specifically, Figure 4As shown, the easy-to-disassemble and replace structure 5 includes a rectangular clamping groove 51, which is provided on one side of the outer surface of the claw body 1. The inner wall of the rectangular clamping groove 51 is clamped with a clamping plate 52. By setting the rectangular clamping groove 51, the clamping plate 52 can be clamped and fixed. One side of the outer surface of the clamping plate 52 is fixedly connected with an anti-slip protrusion 57. Second plug holes 53 that pass through the rectangular clamping groove 51 are provided on both sides of the claw body 1, and a third plug hole 54 is provided on the inner wall of the clamping plate 52. Threaded rods 55 are inserted into the inner walls of the second and third plug holes 53 and 54, and one end of the threaded rod 55 is threadedly connected to a fixing nut 56. By setting the threaded rod 55, the clamping plate 52 can be auxiliary fixed.

[0029] The working principle of the utility model is:

[0030] S1. When in use, the rectangular clamping block 413 is clamped into the inner wall of the rectangular clamping groove 415. At this time, the third threaded clamping rod 417 is fixed to the third threaded hole 414, so that the L-shaped clamping block 41 is fixed to the claw body 1;

[0031] S2, at this time, the lubricating oil flows into the first threaded hole 42 and the second threaded hole 43, and then flows along the first oil injection hole 44 and the second oil injection hole 45 to the bottom of the claw body 1. After the oil injection is completed, the first threaded clamping rod 48 and the second threaded clamping rod 410 are fixed to the first threaded hole 42 and the second threaded hole 43 respectively, so that the first operating block 49 can be clamped with the first receiving groove 46, and the second operating block 411 can be clamped with the second receiving groove 47;

[0032] S3. When the clamping plate 52 needs to be replaced, the fixing nut 56 is separated from the threaded rod 55, and then the threaded rod 55 is separated from the second insertion hole 53 and the third insertion hole 54, and then the clamping plate 52 is taken out from the inner wall of the rectangular clamping groove 51 and replaced.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0034] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A machine tool jaw that is easy to maintain, comprising a jaw body (1), characterized in that: Rectangular grooves (3) are provided on both sides of the claw body (1), a spiral groove (2) is provided on the bottom of the outer surface of the claw body (1), an easy-to-disassemble oil injection structure (4) is provided on the top of the outer surface of the claw body (1), and an easy-to-disassemble replacement structure (5) is provided on one side of the outer surface of the claw body (1), and the easy-to-disassemble oil injection structure (4) includes an L-shaped clamping block (41), a first threaded hole (42) and a second threaded hole (43) are provided on the top of the L-shaped clamping block (41), a first receiving groove (46) and a second receiving groove (47) are provided on the top of the outer surface of the L-shaped clamping block (41) above the first threaded hole (42) and the second threaded hole (43), and a first oil injection hole (44) and a second oil injection hole (45) are provided on the inner wall of the claw body (1), the first threaded hole (42) is aligned with the first oil injection hole (44), and the second threaded hole (43) is aligned with the second oil injection hole (45).

2. The machine tool jaw that is easy to maintain according to claim 1, characterized in that: The inner wall of the first threaded hole (42) is threadedly connected to a first threaded clamping rod (48), and the inner wall of the second threaded hole (43) is threadedly connected to a second threaded clamping rod (410).

3. The machine tool jaw that is easy to maintain according to claim 2, characterized in that: The top end of the outer surface of the first threaded clamping rod (48) is fixedly connected to a first operating block (49), the top end of the outer surface of the second threaded clamping rod (410) is fixedly connected to a second operating block (411), the first operating block (49) is clamped to the first receiving groove (46), and the second operating block (411) is clamped to the second receiving groove (47).

4. The machine tool jaw that is easy to maintain according to claim 1, characterized in that: A connecting plate (412) is fixedly connected to one side of the outer surface of the L-shaped clamping block (41), a rectangular clamping block (413) is fixedly connected to the bottom of the outer surface of the connecting plate (412), a rectangular clamping groove (415) is provided at the top of the outer surface of the clamping claw body (1), and the rectangular clamping block (413) and the rectangular clamping groove (415) are detachably clamped.

5. The machine tool jaw easy to maintain according to claim 4, characterized in that: A first insertion hole (416) is provided on one side of the outer surface of the claw body (1); a third threaded clamping rod (417) is inserted into the inner wall of the first insertion hole (416); a third threaded hole (414) is provided on the inner wall of one side of the rectangular clamping block (413); and the third threaded clamping rod (417) and the third threaded hole (414) are detachably threadedly connected.

6. The machine tool jaw that is easy to maintain according to claim 1, characterized in that: The easy-to-disassemble and replace structure (5) comprises a rectangular clamping groove (51), the rectangular clamping groove (51) is arranged on one side of the outer surface of the claw body (1), a clamping plate (52) is clamped on the inner wall of the rectangular clamping groove (51), and an anti-slip protrusion (57) is fixedly connected to one side of the outer surface of the clamping plate (52).

7. The machine tool jaw easy to maintain according to claim 6, characterized in that: Second insertion holes (53) penetrating the rectangular clamping groove (51) are provided on both sides of the clamping claw body (1); a third insertion hole (54) is provided on the inner wall of the clamping plate (52); threaded insertion rods (55) are inserted into the inner walls of the second insertion hole (53) and the third insertion hole (54); one end of the threaded insertion rod (55) is threadedly connected to a fixing nut (56).

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