Locking tool rest for numerical control machining

Abstract

The utility model discloses a locking knife rest for numerical control machining, and particularly relates to the field of numerical control lathes, the locking knife rest for numerical control machining comprises a fixing plate, a fixing groove is formed in one side of the fixing plate, two sliding grooves are symmetrically formed in the inner bottom wall of the fixing groove, and a limiting device is arranged between the two sliding grooves. Two moving grooves are symmetrically formed in the inner side wall of the fixing groove, a clamping device is arranged between the two moving grooves, and the output end of the clamping device penetrates through the inner top walls of the moving grooves corresponding in position and extends outwards. When the tool clamping device is used, operation is easy, the hydraulic telescopic cylinder can drive the driving device to drive two second threaded rods of the clamping device to rotate at the same time, the two second threaded rods can drive a moving block to drive a pressing plate to clamp a tool at the same time, and then the phenomenon that clamping force is not uniform can be prevented; the limiting device can limit the cutter, and the cutter can be prevented from colliding with an object in the machining process and flying transversely.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control lathe field, more specifically, the utility model relates to a locking tool holder for numerical control machining. BACKGROUND

[0002] Numerical control lathe is one of numerical control machine tools that are used widely, and the numerical control machine tool is used for machining parts automatically according to the machining program prepared in advance, and the numerical control lathe uses various tools for machining when machining parts, and the tool holder assembly is used for facilitating the switching of tools.

[0003] The utility model discloses a numerical control lathe tool rest, the device when using, spare gasket assembly is dispensed with, and the lifting assembly is simplified, and a tool rest assembly with simple structure, less space occupation and low cost is realized, but the device needs to twist a plurality of locking screws to fix the tool when fixing the tool, and since a plurality of screws are tightened respectively, it is difficult to ensure that the tightening force of each screw is completely consistent, and when the tool collides with the object during machining, since the side of the tool is not provided with a limit, the tool is prone to collide with the object after contacting the object, resulting in the tool flying horizontally.

[0004] Therefore, it is necessary to redesign a locking tool holder for numerical control machining in view of the above problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a locking tool holder for numerical control machining.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A locking tool holder for numerical control machining, comprising a fixed plate, a fixed groove is formed on one side of the fixed plate, two sliding grooves are symmetrically formed on the inner bottom wall of the fixed groove, a limiting device is arranged between the two sliding grooves, two moving grooves are symmetrically formed on the inner side wall of the fixed groove, a clamping device is arranged between the two moving grooves, and the output ends of the clamping device respectively penetrate the inner top wall of the corresponding moving groove and extend outward, an adapter groove is formed on the upper end face of the fixed plate, a driving device is arranged in the adapter groove, and the output end of the driving device is connected with the output end of the clamping device.

[0008] As Figures 1-4The embodiment is specific as shown: by setting the moving groove, clamping device, driving device, hydraulic telescopic cylinder and other devices, the hydraulic telescopic cylinder can drive the driving device to rotate the two second threaded rods of the clamping device at the same time, so that the two second threaded rods can drive the moving block to clamp the tool, thereby preventing uneven clamping force, by setting the sliding groove, limiting device and other devices, the handle can drive the synchronous assembly to drive the two first threaded rods to drive the sliding block to abut against the side surface of the tool, which can prevent the tool from colliding with the object during machining.

[0009] In a preferred embodiment, the limiting device comprises two first threaded rods, and the two first threaded rods are respectively installed on the inner side wall of the corresponding sliding groove through bearings, each first threaded rod is threadedly connected with a sliding block, and the two sliding blocks are respectively and slidingly clamped on the inner side wall of the corresponding sliding groove, the upper end surface of each sliding block is fixedly installed with a limiting plate, and one end of the two first threaded rods respectively penetrates the inner side wall of the corresponding sliding groove and extends outward to be installed with a synchronous assembly.

[0010] In a preferred embodiment, the synchronous assembly comprises a first synchronous wheel and a second synchronous wheel, and the first synchronous wheel and the second synchronous wheel are respectively fixedly installed at one end of the first synchronous wheel, and the first synchronous wheel and the second synchronous wheel are jointly installed with a synchronous belt therebetween.

[0011] In a preferred embodiment, the first synchronous wheel is fixedly installed with a handle on one side.

[0012] In a preferred embodiment, the pressing device comprises two second threaded rods, and the two second threaded rods are respectively installed on the inner bottom wall of the corresponding moving groove through bearings, each second threaded rod is threadedly connected with a moving block, and the two moving blocks are respectively and slidingly clamped in the corresponding moving groove, one side of each moving block is fixedly installed with a pressing plate, one end of the two second threaded rods respectively penetrates the inner top wall of the corresponding moving groove and extends outward to be installed with a gear, and the two gears are connected with the output end of the driving device.

[0013] In a preferred embodiment, the driving device comprises an adapter block, and the adapter block is slidingly clamped in an adapter groove, the upper end surface of the adapter block is fixedly installed with an adapter plate, one side of the adapter plate is fixedly installed with a rack, and the rack is engaged with the two gears, and the side of the adapter plate away from the rack is fixedly installed with a mounting plate.

[0014] In a preferred embodiment, the mounting plate is fixedly installed with a hydraulic telescopic cylinder on one side, and the output shaft of the hydraulic telescopic cylinder is fixedly connected with one side of the mounting plate.

[0015] Compared with the prior art, the utility model have the advantages that:

[0016] 1, the utility model discloses a mobile groove, clamping device, drive arrangement, hydraulic telescopic cylinder and so on device, utilize hydraulic telescopic cylinder can drive drive arrangement and drive the rotation of two second screw rods of clamping device simultaneously, make two second screw rods can drive moving block simultaneously drive the pressboard clamping tool, and then can prevent the phenomenon of uneven clamping force.

[0017] 2, the utility model discloses a sliding slot, limiting device and so on device, through the rotation handle can drive synchronous assembly and drive two first screw rods drive sliding block and drive the side of limiting plate and tool, can prevent the tool from colliding with the article when processing, and cause the tool to fly horizontally.

[0018] Summarized above, the utility model discloses when using, simple operation, with hydraulic telescopic cylinder can drive drive arrangement and drive the rotation of two second screw rods of clamping device simultaneously, make two second screw rods can drive moving block simultaneously drive the pressboard clamping tool, and then can prevent the phenomenon of uneven clamping force, limiting device can be positioned to tool, can prevent the tool from colliding with the article when processing, and cause the tool to fly horizontally. DRAWINGS

[0019] Figure 1 The structure diagram of the locking tool holder for numerical control machining is provided for the utility model;

[0020] Figure 2 The internal diagram of the fixed groove of the locking tool holder for numerical control machining is provided for the utility model;

[0021] Figure 3 The synchronous assembly part diagram of the locking tool holder for numerical control machining is provided for the utility model;

[0022] Figure 4 The drive arrangement part diagram of the locking tool holder for numerical control machining is provided for the utility model.

[0023] In the drawing: 1 fixed plate, 2 fixed groove, 3 hydraulic telescopic cylinder, 4 mounting plate, 5 link plate, 6 rack, 7 sliding slot, 8 first screw rod, 9 mobile groove, 10 second screw rod, 11 gear, 12 limiting plate, 13 moving block, 14 pressboard, 15 sliding block, 16 link groove, 17 handle, 18 first synchronous wheel, 19 second synchronous wheel, 20 synchronous belt, 21 link block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] With reference to Figures 1-4 A locking tool holder for numerical control machining, comprising a fixed plate 1, a fixed groove 2 is formed on one side of the fixed plate 1, two sliding grooves 7 are symmetrically formed on the inner bottom wall of the fixed groove 2, a limiting device is arranged between the two sliding grooves 7, two moving grooves 9 are symmetrically formed on the inner side wall of the fixed groove 2, a clamping device is arranged between the two moving grooves 9, and the output ends of the clamping device respectively penetrate the inner top walls of the moving grooves 9 corresponding in position and extend outward, a connecting groove 16 is formed on the upper end face of the fixed plate 1, a driving device is arranged in the connecting groove 16, and the output end of the driving device is connected with the output end of the clamping device.

[0026] As Figures 1-4 shown, the embodiment is specific: through the arrangement of the moving groove 9, the clamping device, the driving device, the hydraulic telescopic cylinder 3 and other devices, the hydraulic telescopic cylinder 3 can drive the driving device to simultaneously drive the two second threaded rods 10 of the clamping device to rotate, so that the two second threaded rods 10 can simultaneously drive the moving block 13 to clamp the pressure plate 14 and the tool, thereby preventing the phenomenon of uneven clamping force, through the arrangement of the sliding groove 7, the limiting device and other devices, the rotating handle 17 can drive the synchronous assembly to drive the two first threaded rods 8 to drive the sliding block 15 to drive the limiting plate 12 to abut against the side surface of the tool, so that the tool can be prevented from colliding with the article during machining and flying horizontally.

[0027] The limiting device comprises two first threaded rods 8, the two first threaded rods 8 are respectively installed on the inner side walls of the sliding grooves 7 corresponding in position through bearings, each first threaded rod 8 is threadedly connected with a sliding block 15, the two sliding blocks 15 are respectively and slidingly arranged on the inner side walls of the sliding grooves 7 corresponding in position, a limiting plate 12 is fixedly installed on the upper end face of each sliding block 15, and a synchronous assembly is installed on the outer end of each first threaded rod 8 penetrating the inner side wall of the sliding groove 7 corresponding in position and extending outward. The synchronous assembly can simultaneously drive the two first threaded rods 8 to rotate, so that the two first threaded rods 8 can drive the two moving blocks 13 to synchronously drive the pressure plate 14 to move.

[0028] The synchronous assembly comprises a first synchronous wheel 18 and a second synchronous wheel 19, the first synchronous wheel 18 and the second synchronous wheel 19 are fixedly installed at one end of the first synchronous wheel 18 respectively, and a synchronous belt 20 is commonly installed between the first synchronous wheel 18 and the second synchronous wheel 19, the first synchronous wheel 18 can drive the second synchronous wheel 19 to rotate synchronously through the synchronous belt 20.

[0029] The first synchronous wheel 18 is fixedly installed with a handle 17 at one side.

[0030] The pressing device comprises two second threaded rods 10, the two second threaded rods 10 are installed on the inner bottom walls of the corresponding moving grooves 9 through bearings respectively, each second threaded rod 10 is threadedly connected with a moving block 13, the two moving blocks 13 are slidably clamped in the corresponding moving grooves 9 respectively, one side of each moving block 13 is fixedly installed with a pressing plate 14, one end of each second threaded rod 10 penetrates through the inner top wall of the corresponding moving groove 9 and extends outward to be installed with a gear 11, and the two gears 11 are connected with the output end of the driving device, so that the two gears 11 can be driven to rotate synchronously by the driving device, and the two first threaded rods 8 can drive the sliding block 15 to drive the limiting plate 12 to limit the cutter.

[0031] The driving device comprises an adapter block 21, the adapter block 21 is slidably clamped in the adapter groove 16, the upper end face of the adapter block 21 is fixedly installed with an adapter plate 5, one side of the adapter plate 5 is fixedly installed with a rack 6, the rack 6 is engaged with the two gears 11, one side of the adapter plate 5 away from the rack 6 is fixedly installed with a mounting plate 4, one side of the fixed plate 1 is fixedly installed with a hydraulic telescopic cylinder 3, and the output shaft of the hydraulic telescopic cylinder 3 is fixedly connected with one side of the mounting plate 4, so that the mounting plate 4 can drive the adapter plate 5 to drive the rack 6 to drive the gear 11 to rotate.

[0032] In use, the cutter can be placed in the fixed groove 2 first, then the hydraulic telescopic cylinder 3 can be driven, the output shaft of the hydraulic telescopic cylinder 3 can drive the mounting plate 4 to move, then the mounting plate 4 can drive the adapter plate 5 to move synchronously, then the adapter plate 5 can drive the adapter block 21 to move synchronously in the adapter groove 16, at the same time, the movement of the adapter plate 5 can drive the rack 6 to move synchronously, at this time, the movement of the rack 6 can drive the gear 11 engaged with the rack 6 to move synchronously, then the rotation of the gear 11 can drive the second threaded rod 10 to rotate synchronously, then the second threaded rod 10 can drive the moving block 13 threadedly connected with the second threaded rod 10 to move synchronously in the moving groove 9, then the moving block 13 can synchronously drive the pressing plate 14 to press the cutter.

[0033] After the cutter is fixed, the handle 17 can be rotated to drive the first synchronous wheel 18 to rotate, and then the rotation of the first synchronous wheel 18 can drive the second synchronous wheel 19 to rotate through the synchronous belt 20, at this time, the first synchronous wheel 18 and the second synchronous wheel 19 will drive the two first threaded rods 8 to rotate at the same time, and then the two first threaded rods 8 will drive the two sliding blocks 15 connected with them to slide at the same time, and then the sliding block 15 can drive the limiting plate 12 to abut against the side surface of the cutter, at this time, the side surface of the cutter can be limited.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A locking tool holder for numerical control machining, comprising a fixing plate (1), characterized in that: The side of the fixed plate (1) is provided with a fixed groove (2), the inner bottom wall of the fixed groove (2) is symmetrically provided with two sliding grooves (7), the two sliding grooves (7) are commonly provided with a limiting device, the inner side wall of the fixed groove (2) is symmetrically provided with two moving grooves (9), the two moving grooves (9) are commonly provided with a clamping device, and the output ends of the clamping device respectively penetrate the inner top wall of the corresponding moving groove (9) and extend outward, the upper end face of the fixed plate (1) is provided with a connecting groove (16), the connecting groove (16) is provided with a driving device, and the output end of the driving device is connected with the output end of the clamping device.

2. The locking tool holder for numerical control machining according to claim 1, characterized in that: The limiting device comprises two first threaded rods (8), and the two first threaded rods (8) are respectively installed on the inner side wall of the corresponding sliding groove (7) through bearings, each first threaded rod (8) is threadedly connected with a sliding block (15), and the two sliding blocks (15) are respectively and slidably clamped on the inner side wall of the corresponding sliding groove (7), and the upper end face of each sliding block (15) is fixedly installed with a limiting plate (12), and one end of each first threaded rod (8) penetrates the inner side wall of the corresponding sliding groove (7) and extends outward and is installed with a synchronous assembly.

3. The locking tool holder according to claim 2, characterized in that: The synchronous assembly comprises a first synchronous wheel (18) and a second synchronous wheel (19), and the first synchronous wheel (18) and the second synchronous wheel (19) are respectively fixedly installed at one end of the first synchronous wheel (18), and the first synchronous wheel (18) and the second synchronous wheel (19) are commonly installed with a synchronous belt (20).

4. The locking tool holder according to claim 3, characterized in that: The side of the first synchronous wheel (18) is fixedly installed with a handle (17).

5. The locking tool holder according to claim 1, wherein: The pressing device comprises two second threaded rods (10), and the two second threaded rods (10) are respectively installed on the inner bottom wall of the corresponding moving groove (9) through bearings, each second threaded rod (10) is threadedly connected with a moving block (13), and the two moving blocks (13) are respectively and slidably clamped in the corresponding moving groove (9), and one side of each moving block (13) is fixedly installed with a pressing plate (14), one end of each second threaded rod (10) penetrates the inner top wall of the corresponding moving groove (9) and extends outward and is installed with a gear (11), and the two gears (11) are connected with the output end of the driving device.

6. The locking tool holder according to claim 5, characterized in that: The driving device comprises a connecting block (21), and the connecting block (21) is slidably clamped in the connecting groove (16), the upper end face of the connecting block (21) is fixedly installed with a connecting plate (5), one side of the connecting plate (5) is fixedly installed with a rack (6), and the rack (6) is engaged with the two gears (11), and the side, away from the rack (6), of the connecting plate (5) is fixedly installed with a mounting plate (4).

7. The locking tool holder according to claim 1, wherein: One side of the fixed plate (1) is fixedly installed with a hydraulic telescopic cylinder (3), and the output shaft of the hydraulic telescopic cylinder (3) is fixedly connected with one side of the mounting plate (4).

Images