Modular inverted lathe turning clamp

Abstract

The utility model discloses a modular inverted lathe turning clamp. The modular inverted lathe turning clamp comprises a clamp body. A first clamp module or a second clamp module is installed at the bottom end of the clamp body. The first clamp module comprises a first connecting disc, a first fastening screw, a first supporting piece, a first connecting screw, a first expansion sleeve pull rod, a first side fixing screw and a first expansion sleeve. The second clamp module comprises a mandrel, a second fastening screw, a second connecting disc, a second connecting screw, a second supporting piece, a third connecting screw, a second expansion sleeve, a fourth connecting screw, a second expansion sleeve pull rod and a second side fixing screw. According to the clamp, modular design is adopted, when the clamp needs to be remodeled, the clamp body, the connecting flange and the adapter do not need to be replaced, and 70% of the weight of the clamp is shared. The whole production changing process can be independently completed by one person within 30 minutes, the replacement efficiency is greatly improved compared with the prior art, and rapid and convenient production changing is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to processing equipment technical field relates to the upside -down lathe car clamp, specifically relates to a module formula upside -down lathe car clamp. BACKGROUND

[0002] The upside -down lathe has better processing rigidity and chip removal than the horizontal lathe, and is more suitable for batch automatic production line. When changing production, the clamp and chuck need to be replaced. Since the existing clamp is basically designed in one piece and has a large mass, it often takes 2-3 people and 4 hours to complete the replacement when changing, and the inconvenience and inefficiency of changing production are particularly prominent. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a module formula upside -down lathe car clamp, which solves the technical problems of inconvenient and low efficiency of upside -down lathe clamp in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A module formula upside -down lathe car clamp, comprising a clamp main body, the bottom end of the clamp main body is provided with a first clamp module or a second clamp module.

[0006] The first clamp module comprises a first connecting disc, a first fastening screw, a first support, a first connecting screw, a first expansion sleeve pull rod, a first side fixing screw and a first expansion sleeve.

[0007] The first connecting disc is arranged below the clamp main body and is fixedly connected with the clamp main body through the first fastening screw; the lower portion of the first connecting disc is provided with the first support, which is fixedly connected with the first connecting disc through the first connecting screw; the first expansion sleeve pull rod is installed in the clamp main body and is arranged along the axial direction; the first side fixing screw is arranged in the clamp main body along the radial direction, and the inner end of the first side fixing screw abuts against the top of the first expansion sleeve pull rod; the first expansion sleeve is coaxially arranged on the bottom of the first expansion sleeve pull rod, and the top end of the first expansion sleeve is located in the first support; the first expansion sleeve pull rod penetrates the clamp main body, the first support and the first expansion sleeve from top to bottom in sequence, the bottom end of the first expansion sleeve pull rod is a first positioning boss and extends out of the bottom end of the first expansion sleeve, the diameter of the first positioning boss is greater than the inner hole diameter of the first expansion sleeve, and the first expansion sleeve is fixed in the first support through the first positioning boss of the first expansion sleeve pull rod.

[0008] The second clamp module comprises a mandrel, a second fastening screw, a second connecting disc, a second connecting screw, a second support, a third connecting screw, a second expansion sleeve, a fourth connecting screw, a second expansion sleeve pull rod and a second side fixing screw.

[0009] The mandrel is arranged below the clamp body and is fixedly connected with the clamp body through the second fastening screw. The top end of the mandrel is provided below with the second connecting disc which is fixedly connected with the top end of the mandrel through the second connecting screw. The second connecting disc is provided below with the second support which is fixedly connected with the second connecting disc through the third connecting screw. The top end of the mandrel is further provided below with the second expansion sleeve, the top of which is located at the inner side of the second connecting disc. The second expansion sleeve pull rod is arranged in the clamp body along the axial direction. The second side fixing screw is arranged in the clamp body along the radial direction. The second expansion sleeve is coaxially arranged outside the bottom of the second expansion sleeve pull rod. The bottom end of the second expansion sleeve pull rod is a second positioning boss. The diameter of the second positioning boss is equal to the inner hole diameter of the second expansion sleeve.

[0010] The utility model also has the following technical features:

[0011] The top end of the clamp body is provided with a connecting flange.

[0012] The top end of the connecting flange is provided with an adapter.

[0013] Compared with the prior art, the utility model has the following technical effects:

[0014] The clamp of the utility model adopts modular design. When the clamp needs to be changed, the clamp body, the connecting flange and the adapter do not need to be replaced. The weight of 70% of the clamp can be shared. The whole production change process can be completed independently by one person within 30 minutes. The production change efficiency is greatly improved compared with the past. The principle of the utility model can promote the clamp quick change demand of this kind of machine tool. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of an inverted lathe clamp provided with the first clamp module.

[0016] Figure 2 It is a structure schematic view of an inverted lathe clamp provided with the second clamp module.

[0017] Figure 3 It is an installation position schematic view of a side fixing screw.

[0018] The meanings of the reference numerals in the drawing are as follows: 1 - clamp main body, 2 - first connecting disc, 3 - first fastening screw, 4 - first supporting piece, 5 - first connecting screw, 6 - first expansion sleeve pull rod, 7 - first side fixing screw, 8 - first expansion sleeve, 9 - mandrel, 10 - second fastening screw, 11 - second connecting disc, 12 - second connecting screw, 13 - second supporting piece, 14 - third connecting screw, 15 - second expansion sleeve, 16 - fourth connecting screw, 17 - second expansion sleeve pull rod, 18 - second side fixing screw, 19 - connecting flange, 20 - adapter.

[0019] The specific contents in the utility model are further explained and described in detail in combination with the embodiments. DETAILED DESCRIPTION

[0020] It should be noted that all the parts in the utility model, in the absence of special instructions, adopt the parts known in the art.

[0021] The specific embodiments in the utility model are given below, and it should be noted that the utility model is not limited to the following specific embodiments, and any equivalent transformation based on the technical solutions of the present application falls within the protection scope of the utility model.

[0022] Embodiment:

[0023] The embodiment gives a modular inverted lathe clamp, which comprises a clamp main body 1; the bottom end of the clamp main body 1 is provided with a first clamp module or a second clamp module. The first clamp module comprises a first connecting disc 2, a first fastening screw 3, a first supporting piece 4, a first connecting screw 5, a first expansion sleeve pull rod 6, a first side fixing screw 7 and a first expansion sleeve 8. The second clamp module comprises a mandrel 9, a second fastening screw 10, a second connecting disc 11, a second connecting screw 12, a second supporting piece 13, a third connecting screw 14, a second expansion sleeve 15, a fourth connecting screw 16, a second expansion sleeve pull rod 17 and a second side fixing screw 18.

[0024] In the embodiment, the first connecting disc 2, the first supporting piece 4, the first expansion sleeve pull rod 6 and the first expansion sleeve 8 are connected as a whole through the first fastening screw 3 and the clamp main body 1, and the first side fixing screw 7 has the function of fixing the angle of the first clamp module. The mandrel 9, the second connecting disc 11, the second supporting piece 13, the second expansion sleeve 15 and the second expansion sleeve pull rod 17 are connected as a whole through the second fastening screw 10 and the clamp main body 1, and the second side fixing screw 18 has the function of fixing the angle of the second clamp module.

[0025] As a specific scheme of the embodiment, as shown in Figure 1 and Figure 3As shown in the first connecting plate 2 is arranged below the clamp body 1, the first connecting plate 2 is fixedly connected with the clamp body 1 through the first fastening screw 3, the lower side of the first connecting plate 2 is provided with the first support 4, the first support 4 is fixedly connected with the first connecting plate 2 through the first connecting screw 5, the first expansion sleeve pull rod 6 is installed in the clamp body 1, and the first expansion sleeve pull rod 6 is arranged along the axial direction, the first side fixing screw 7 is arranged in the clamp body 1 along the radial direction, and the inner end of the first side fixing screw 7 is tightly abutted on the top of the first expansion sleeve pull rod 6, the bottom of the first expansion sleeve pull rod 6 is coaxially sleeved with the first expansion sleeve 8, and the top end of the first expansion sleeve 8 is located in the first support 4, the first expansion sleeve pull rod 6 penetrates the clamp body 1, the first support 4 and the first expansion sleeve 8 from top to bottom in sequence, the bottom end of the first expansion sleeve pull rod 6 is a first positioning boss and extends out of the bottom end of the first expansion sleeve 8, the diameter of the first positioning boss is greater than the inner hole diameter of the first expansion sleeve 8, and the first expansion sleeve 8 is fixed in the first support 4 through the first positioning boss of the first expansion sleeve pull rod 6.

[0026] As a specific scheme of the embodiment, as shown in the first connecting plate 2 is arranged below the clamp body 1, the first connecting plate 2 is fixedly connected with the clamp body 1 through the first fastening screw 3, the lower side of the first connecting plate 2 is provided with the first support 4, the first support 4 is fixedly connected with the first connecting plate 2 through the first connecting screw 5, the first expansion sleeve pull rod 6 is installed in the clamp body 1, and the first expansion sleeve pull rod 6 is arranged along the axial direction, the first side fixing screw 7 is arranged in the clamp body 1 along the radial direction, and the inner end of the first side fixing screw 7 is tightly abutted on the top of the first expansion sleeve pull rod 6, the bottom of the first expansion sleeve pull rod 6 is coaxially sleeved with the first expansion sleeve 8, and the top end of the first expansion sleeve 8 is located in the first support 4, the first expansion sleeve pull rod 6 penetrates the clamp body 1, the first support 4 and the first expansion sleeve 8 from top to bottom in sequence, the bottom end of the first expansion sleeve pull rod 6 is a first positioning boss and extends out of the bottom end of the first expansion sleeve 8, the diameter of the first positioning boss is greater than the inner hole diameter of the first expansion sleeve 8, and the first expansion sleeve 8 is fixed in the first support 4 through the first positioning boss of the first expansion sleeve pull rod 6. Figure 2 and Figure 3 As shown in the first connecting plate 2 is arranged below the clamp body 1, the first connecting plate 2 is fixedly connected with the clamp body 1 through the first fastening screw 3, the lower side of the first connecting plate 2 is provided with the first support 4, the first support 4 is fixedly connected with the first connecting plate 2 through the first connecting screw 5, the first expansion sleeve pull rod 6 is installed in the clamp body 1, and the first expansion sleeve pull rod 6 is arranged along the axial direction, the first side fixing screw 7 is arranged in the clamp body 1 along the radial direction, and the inner end of the first side fixing screw 7 is tightly abutted on the top of the first expansion sleeve pull rod 6, the bottom of the first expansion sleeve pull rod 6 is coaxially sleeved with the first expansion sleeve 8, and the top end of the first expansion sleeve 8 is located in the first support 4, the first expansion sleeve pull rod 6 penetrates the clamp body 1, the first support 4 and the first expansion sleeve 8 from top to bottom in sequence, the bottom end of the first expansion sleeve pull rod 6 is a first positioning boss and extends out of the bottom end of the first expansion sleeve 8, the diameter of the first positioning boss is greater than the inner hole diameter of the first expansion sleeve 8, and the first expansion sleeve 8 is fixed in the first support 4 through the first positioning boss of the first expansion sleeve pull rod 6.

[0027] As a specific scheme of the embodiment, the top end of the clamp body 1 is provided with the connecting flange 19.

[0028] As a specific scheme of the embodiment, the top end of the connecting flange 19 is provided with the adapter 20.

[0029] The working process of the utility model is as follows:

[0030] First, remove Figure 1The first connecting plate 2, the first supporting piece 4, the first expansion sleeve pull rod 6 and the first expansion sleeve 8 can be removed as a whole by removing the first fastening screw 3 and the first side fixing screw 7.

[0031] Secondly, the mandrel 9, the second connecting plate 11, the second supporting piece 13, the second expansion sleeve 15 and the second expansion sleeve pull rod 17 are connected as a whole by the second connecting screw 12, the third connecting screw 14 and the fourth connecting screw 16, and then the whole is assembled on the clamp body 1 of Figure 1 by the second fastening screw 10 and the second side fixing screw 18, and the changeover is completed.

Claims

1. A modular inverted lathe vehicle fixture comprising a fixture body (1), characterized in that, The bottom end of the clamp body (1) is provided with a first clamp module or a second clamp module; The first clamp module comprises a first connecting disc (2), a first fastening screw (3), a first support (4), a first connecting screw (5), a first expansion sleeve pull rod (6), a first side fixing screw (7) and a first expansion sleeve (8); The first connecting disc (2) is arranged below the clamp body (1), and the first connecting disc (2) is fixedly connected with the clamp body (1) through the first fastening screw (3); the lower portion of the first connecting disc (2) is provided with the first support (4), and the first support (4) is fixedly connected with the first connecting disc (2) through the first connecting screw (5); the first expansion sleeve pull rod (6) is arranged in the clamp body (1) and arranged along the axial direction; the first side fixing screw (7) is arranged in the clamp body (1) along the radial direction, and the inner end of the first side fixing screw (7) abuts against the top of the first expansion sleeve pull rod (6); the bottom of the first expansion sleeve pull rod (6) is coaxially provided with the first expansion sleeve (8), and the top end of the first expansion sleeve (8) is located in the first support (4); the first expansion sleeve pull rod (6) penetrates the clamp body (1), the first support (4) and the first expansion sleeve (8) from top to bottom, the bottom end of the first expansion sleeve pull rod (6) is a first positioning boss and extends out of the bottom end of the first expansion sleeve (8), the diameter of the first positioning boss is greater than the inner hole diameter of the first expansion sleeve (8), and the first expansion sleeve (8) is fixed in the first support (4) through the first positioning boss of the first expansion sleeve pull rod (6); The second clamp module comprises a mandrel (9), a second fastening screw (10), a second connecting disc (11), a second connecting screw (12), a second support (13), a third connecting screw (14), a second expansion sleeve (15), a fourth connecting screw (16), a second expansion sleeve pull rod (17) and a second side fixing screw (18); The core shaft (9) is arranged below the clamp body (1), the core shaft (9) is fixedly connected with the clamp body (1) through the second fastening screw (10); the top end of the core shaft (9) is arranged below the second connecting disc (11), the second connecting disc (11) is fixedly connected with the top end of the core shaft (9) through the second connecting screw (12); the second connecting disc (11) is arranged below the second supporting piece (13), the second supporting piece (13) is fixedly connected with the second connecting disc (11) through the third connecting screw (14); the top end of the core shaft (9) is further arranged below the second expansion sleeve (15), the top of the second expansion sleeve (15) is located on the inner side of the second connecting disc (11), the second expansion sleeve (15) is fixedly connected with the core shaft (9) and the first connecting disc (2) through the fourth connecting screw (16); the clamp body (1) is provided with the second expansion sleeve pull rod (17) and is arranged along the axial direction; the clamp body (1) is provided with the second side fixing screw (18) along the radial direction, the inner end of the second side fixing screw (18) is tightly abutted on the top of the second expansion sleeve pull rod (17); the second expansion sleeve (15) is coaxially arranged outside the bottom of the second expansion sleeve pull rod (17), the bottom end of the second expansion sleeve pull rod (17) is a second positioning boss, the diameter of the second positioning boss is equal to the inner hole diameter of the second expansion sleeve (15).

2. The modular inverted lathe vehicle fixture of claim 1, wherein, The top end of the clamp body (1) is provided with the connecting flange (19).

3. The modular inverted lathe vehicle fixture of claim 2, wherein, The top end of the connecting flange (19) is provided with the adapter (20).

Images