Clamping device for precise numerical control lathe workpiece machining

Abstract

The utility model discloses a clamping device for workpiece machining of a precise numerical control lathe, relates to the field of lathe clamps, and aims to solve the technical problems that the clamping device comprises a connecting sleeve, a shell mechanism is fixedly installed at one end of the connecting sleeve, a driving mechanism is arranged in the shell mechanism, and two movable plate assemblies are arranged in the shell mechanism in a staggered mode; the driving mechanism is used for controlling the two movable plate assemblies to be away from or close to each other. The clamping device for precise numerical control lathe workpiece machining has the advantages that the two L-shaped movable plates and the clamping plates move close to each other, then the anti-skid clamping blocks on the end face of the stepped shaft make contact with the surface of a workpiece, the stepped shaft and the clamping plates move relatively, then a spring is completely stretched, and the workpiece machining precision is improved. And through the multiple sets of stepped shafts on the surfaces of the clamping plates, the clamping device can adapt to the shapes of the workpieces conveniently, so that the workpieces of different shapes can be clamped and fixed conveniently, and the using convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe clamps, and more specifically, to a clamping device for machining workpieces on a precision numerically controlled lathe. Background Art

[0002] Precision CNC lathe is a high-precision processing equipment, mainly used for processing parts of metal, plastic and other materials. It adopts computer numerical control technology and can automatically process according to the pre-input processing program. It has the characteristics of high precision, high efficiency and stability. Precision CNC lathe is widely used in aerospace, automobile manufacturing, electronic communications and other fields. It can process parts with complex shapes and high precision requirements. It is one of the indispensable important equipment in modern manufacturing industry.

[0003] When the existing CNC lathe is in use, the workpiece is often clamped and fixed by a triangular chuck. However, the existing triangular chuck can only clamp round bars when clamping the workpiece. It is difficult for a conventional triangular chuck to clamp bars of different shapes when in use, and thus there are certain limitations when in use.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a clamping device for machining workpieces on a precision CNC lathe.

[0006] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: a clamping device for precision CNC lathe workpiece processing, including a connecting sleeve, a shell mechanism is fixedly installed on one end of the connecting sleeve, a driving mechanism is arranged inside the shell mechanism, two groups of movable plate assemblies are staggered inside the shell mechanism, and the driving mechanism is used to control the two groups of movable plate assemblies to move away from or approach each other, a clamping plate is fixedly installed on the front end of the movable plate assembly, a stepped shaft for clamping the workpiece is movably inserted on the surface of the clamping plate, a spring is arranged on the surface of the stepped shaft, and an anti-slip clamping block is fixedly installed on the other end of the stepped shaft.

[0007] The utility model is further configured as follows: the housing mechanism comprises a circular housing, the end surface of the connecting sleeve is fixedly mounted with the circular housing, the front side wall of the circular housing is provided with a limited position through groove, and guide rods are fixedly mounted on the left and right inner walls of the circular housing.

[0008] The utility model is further configured as follows: the driving mechanism includes a first rotating shaft, the first rotating shaft is rotatably installed on the rear inner wall and the front inner wall of the circular shell, the surface fixing sleeve of the first rotating shaft is provided with a cylindrical gear, the surface fixing sleeve of the first rotating shaft is provided with a first bevel gear, the top surface of the circular shell is rotatably plugged with a second rotating shaft, the bottom end of the second rotating shaft is fixedly installed with a second bevel gear, and the second bevel gear and the first bevel gear are meshingly installed.

[0009] The utility model is further configured as follows: the movable plate assembly includes a sliding sleeve, the surface sliding sleeve of the guide rod is provided with a sliding sleeve, an L-shaped movable plate is fixedly installed on the front end of the sliding sleeve, a side wall of the L-shaped movable plate is provided with a convex tooth, and the convex tooth and the cylindrical gear are meshingly installed.

[0010] The utility model is further configured as follows: the stepped shafts are arranged in an equidistant array on the surface of the clamping plate, and the anti-slip clamping block at one end of the stepped shaft is made of rubber material, and the spring is in a fully compressed state when clamping the workpiece.

[0011] The utility model is further configured as follows: the L-shaped movable plate is slidably arranged with the surface of the guide rod through the sliding sleeve, and the two groups of L-shaped movable plates are centrally symmetrical and staggered.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. The utility model fits one end of the workpiece with the end surface of the housing mechanism, drives the second rotating shaft to rotate through a hexagonal wrench, drives the second bevel gear to rotate through the second rotating shaft, and drives the cylindrical gear, the first rotating shaft and the first bevel gear to rotate through the meshing of the second bevel gear and the first bevel gear. Through the meshing of the cylindrical gear and the convex teeth, the two groups of L-shaped movable plates can move laterally along the surface of the guide rod under the action of the sliding sleeve, thereby facilitating the two groups of L-shaped movable plates to move closer to or farther away from each other;

[0014] 2. The utility model moves two groups of L-shaped movable plates and clamping plates closer to each other, so that the anti-skid clamping block on the end face of the stepped shaft contacts the surface of the workpiece, so that the stepped shaft and the clamping plate move relative to each other and the spring is fully stretched. The multiple groups of stepped shafts on the surface of the clamping plate can adapt to the shape of the workpiece, making it convenient to clamp and fix workpieces of different shapes, thereby improving convenience in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3It is a partial front cross-sectional view of the utility model;

[0018] Figure 4 It is a schematic diagram of the local structure of the utility model.

[0019] In the figure: 1. connecting sleeve; 2. housing mechanism; 201. circular housing; 202. limiting through groove; 203. guide rod; 3. driving mechanism; 301. first rotating shaft; 302. cylindrical gear; 303. first bevel gear; 304. second rotating shaft; 305. second bevel gear; 4. movable plate assembly; 401. L-shaped movable plate; 402. sliding sleeve; 403. convex tooth; 5. clamping plate; 6. stepped shaft; 7. spring; 8. anti-slip clamping block. DETAILED DESCRIPTION

[0020] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] Clamping device for precision CNC lathe workpiece processing, reference Figures 1 to 4 As shown, it includes a connecting sleeve 1, a housing mechanism 2 is fixedly installed at one end of the connecting sleeve 1, a driving mechanism 3 is arranged inside the housing mechanism 2, two groups of movable plate assemblies 4 are staggered inside the housing mechanism 2, and the driving mechanism 3 is used to control the two groups of movable plate assemblies 4 to move away from or approach each other, a clamping plate 5 is fixedly installed at the front end of the movable plate assembly 4, a stepped shaft 6 for clamping a workpiece is movably inserted on the surface of the clamping plate 5, a spring 7 is sleeved on the surface of the stepped shaft 6, and an anti-slip clamping block 8 is fixedly installed at the other end of the stepped shaft 6;

[0022] In the above embodiment: by fitting one end of the workpiece with the end face of the housing mechanism 2, the driving mechanism 3 drives the two groups of movable plate assemblies 4 and the clamping plate 5 to approach each other, so that the anti-slip clamping block 8 on the end face of the stepped shaft 6 contacts the surface of the workpiece, so that the stepped shaft 6 and the clamping plate 5 move relative to each other, thereby fully stretching the spring 7, and the multiple groups of stepped shafts 6 on the surface of the clamping plate 5 can adapt to the shape of the workpiece, so that workpieces of different shapes can be clamped and fixed, thereby improving convenience during use.

[0023] refer to Figure 1 , Figure 2 , Figure 3 As shown, the housing mechanism 2 includes a circular housing 201, the end surface of the connecting sleeve 1 is fixedly mounted with the circular housing 201, the front side wall of the circular housing 201 is provided with a limited position through slot 202, and the inner walls on the left and right sides of the circular housing 201 are fixedly mounted with guide rods 203;

[0024] In the above embodiment: the limiting through slot 202 provided on the front side wall of the circular shell 201 allows the clamping plate 5 to be limited and guided when it moves laterally.

[0025] refer to Figure 1 , Figure 2 , Figure 3 As shown, the driving mechanism 3 includes a first rotating shaft 301, the first rotating shaft 301 is rotatably mounted on the inner wall of the rear side and the inner wall of the front side of the circular shell 201, a cylindrical gear 302 is fixedly sleeved on the surface of the first rotating shaft 301, a first bevel gear 303 is fixedly sleeved on the surface of the first rotating shaft 301, a second rotating shaft 304 is rotatably plugged on the top surface of the circular shell 201, a second bevel gear 305 is fixedly mounted on the bottom end of the second rotating shaft 304, and the second bevel gear 305 and the first bevel gear 303 are meshed and installed;

[0026] In the above embodiment: a hexagonal wrench is inserted into the hexagonal hole at the top of the second rotating shaft 304, the second rotating shaft 304 is driven to rotate by the hexagonal wrench, the second rotating shaft 304 drives the second bevel gear 305 to rotate, the second bevel gear 305 is engaged with the first bevel gear 303, and then the cylindrical gear 302, the first rotating shaft 301 and the first bevel gear 303 are driven to rotate.

[0027] refer to Figure 3 , Figure 4 As shown, the movable plate assembly 4 includes a sliding sleeve 402, the surface sliding sleeve of the guide rod 203 is provided with the sliding sleeve 402, the front end of the sliding sleeve 402 is fixedly installed with an L-shaped movable plate 401, a side wall of the L-shaped movable plate 401 is provided with a convex tooth 403, and the convex tooth 403 and the cylindrical gear 302 are meshed and installed;

[0028] In the above embodiment, through the meshing of the cylindrical gear 302 and the convex tooth 403, the two groups of L-shaped movable plates 401 can move laterally along the surface of the guide rod 203 under the action of the sliding sleeve 402, thereby facilitating the two groups of L-shaped movable plates 401 to move closer to or farther from each other.

[0029] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the stepped shafts 6 are arranged in an equidistant array on the surface of the clamping plate 5, and the anti-slip clamping block 8 at one end of the stepped shaft 6 is made of rubber material, and the spring 7 is in a fully compressed state when clamping the workpiece;

[0030] In the above embodiment, the anti-skid clamping block 8 made of rubber material at one end of the stepped shaft 6 contacts the surface of the workpiece to increase the friction force on the workpiece, thereby preventing the workpiece from slipping when clamping.

[0031] refer to Figure 3 As shown, the L-shaped movable plate 401 is slidably arranged with the surface of the guide rod 203 through the sliding sleeve 402, and the two groups of L-shaped movable plates 401 are centrally symmetrical and staggered;

[0032] In the above embodiment, the two groups of L-shaped movable plates 401 are staggered, so that the two groups of L-shaped movable plates 401 can be driven to move closer to or farther from each other via the guide rod 203 .

[0033] Working principle:

[0034] By fitting one end of the workpiece to the end surface of the housing mechanism 2, the second rotating shaft 304 is driven to rotate by a hexagonal wrench, the second rotating shaft 304 is driven to rotate the second bevel gear 305, the second bevel gear 305 is meshed with the first bevel gear 303, and then the cylindrical gear 302, the first rotating shaft 301 and the first bevel gear 303 are driven to rotate, and the cylindrical gear 302 is meshed with the convex tooth 403, so that the two sets of L-shaped movable plates 401 can be moved along the surface of the guide rod 203 under the action of the sliding sleeve 402. The surface moves laterally, thereby facilitating the two groups of L-shaped movable plates 401 to move closer to or farther away from each other. By moving the two groups of L-shaped movable plates 401 closer to each other and the clamping plate 5, the anti-slip clamping block 8 on the end face of the stepped shaft 6 is brought into contact with the surface of the workpiece, so that the stepped shaft 6 and the clamping plate 5 move relative to each other, thereby fully stretching the spring 7. The multiple groups of stepped shafts 6 on the surface of the clamping plate 5 can adapt to the shape of the workpiece, making it convenient to clamp and fix workpieces of different shapes, thereby improving convenience during use.

[0035] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A clamping device for precision CNC lathe workpiece processing, characterized in that: The invention comprises a connecting sleeve (1), one end of which is fixedly mounted with a housing mechanism (2), the interior of which is provided with a driving mechanism (3), the interior of which is provided with two groups of movable plate assemblies (4) which are staggered, and the driving mechanism (3) is used to control the two groups of movable plate assemblies (4) to move away from or towards each other, a clamping plate (5) is fixedly mounted at the front end of the movable plate assembly (4), a stepped shaft (6) for clamping a workpiece is movably inserted on the surface of the clamping plate (5), a spring (7) is sleeved on the surface of the stepped shaft (6), and an anti-slip clamping block (8) is fixedly mounted on the other end of the stepped shaft (6).

2. The clamping device for precision CNC lathe workpiece processing according to claim 1 is characterized in that: The housing mechanism (2) comprises a circular housing (201), the end surface of the connecting sleeve (1) is fixedly mounted with the circular housing (201), the front side wall of the circular housing (201) is provided with a limiting through groove (202), and the left and right inner walls of the circular housing (201) are fixedly mounted with guide rods (203).

3. The clamping device for machining workpieces on a precision CNC lathe according to claim 2, characterized in that: The driving mechanism (3) comprises a first rotating shaft (301), the first rotating shaft (301) is rotatably mounted on the rear inner wall and the front inner wall of the circular shell (201), a cylindrical gear (302) is fixedly sleeved on the surface of the first rotating shaft (301), a first bevel gear (303) is fixedly sleeved on the surface of the first rotating shaft (301), a second rotating shaft (304) is rotatably inserted on the top surface of the circular shell (201), a second bevel gear (305) is fixedly mounted on the bottom end of the second rotating shaft (304), and the second bevel gear (305) and the first bevel gear (303) are meshingly mounted.

4. The clamping device for machining workpieces on a precision CNC lathe according to claim 2, characterized in that: The movable plate assembly (4) comprises a sliding sleeve (402), the surface sliding sleeve of the guide rod (203) is provided with the sliding sleeve (402), an L-shaped movable plate (401) is fixedly mounted at the front end of the sliding sleeve (402), a convex tooth (403) is provided on a side wall of the L-shaped movable plate (401), and the convex tooth (403) and the cylindrical gear (302) are meshingly mounted.

5. The clamping device for machining workpieces on a precision CNC lathe according to claim 1, characterized in that: The stepped shafts (6) are arranged in an equidistant array on the surface of the clamping plate (5), and the anti-slip clamping block (8) at one end of the stepped shaft (6) is made of rubber material, and the spring (7) is in a fully compressed state when clamping the workpiece.

6. The clamping device for machining workpieces on a precision CNC lathe according to claim 4, characterized in that: The L-shaped movable plates (401) are slidably arranged on the surface of the guide rod (203) via the sliding sleeve (402), and the two groups of L-shaped movable plates (401) are centrally symmetrical and staggered.

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