Detachable cutter head assembly for crankshaft processing machine tool

By designing an auxiliary mechanism for a detachable cutter head assembly on a crankshaft machining tool, the problem of high labor intensity during cutter head replacement was solved, and the replacement process was simplified and efficiency improved.

CN223776155UActive Publication Date: 2026-01-09ZHEJIANG GRAVITY INTELLIGENT EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520312109.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-09
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

The tool turret assembly on existing crankshaft machining tools needs to be suspended during replacement, which results in high labor intensity for workers and troublesome installation.

Method used

A detachable tool head assembly was designed. By setting an auxiliary mechanism on the machine tool spindle, including a pressure plate and a screw, the fixed installation process of the tool head and the spindle is simplified by utilizing the cooperation between the screw and the annular plate.

Benefits of technology

It reduced the workload of staff, improved the efficiency of cutter head replacement, and simplified the installation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223776155U_ABST
    Figure CN223776155U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of processing machine tools, and discloses a detachable cutterhead assembly for a crankshaft processing machine tool, which comprises a machine tool spindle, a cutterhead is fixed at the front end of the machine tool spindle, a plurality of mounting holes are arranged on the front surface of the cutterhead, an annular plate is welded on the rear surface of the cutterhead, and the machine tool spindle is in sliding insertion connection with the inside of the annular plate. The auxiliary mechanism is arranged on a machine tool spindle and comprises a pressing plate and screws, a storage groove is formed in the rear surface of the annular plate and communicates with the interior of the annular plate, the pressing plate is slidably inserted into the storage groove, and a threaded groove is formed in the upper surface of the annular plate. And the two pressing plates entering the two storage grooves are fixed between the annular plate and the machine tool spindle, so that the cutterhead is relatively simply stabilized, subsequent fixed installation between the cutterhead and the machine tool spindle is facilitated for workers, the labor intensity of the workers is reduced, and the replacement efficiency of the cutterhead is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to processing machine tool technical field, concretely is a kind of detachable cutter head subassembly for crankshaft processing machine. BACKGROUND

[0002] Crankshaft processing machine is the high-precision equipment specially used for processing engine crankshaft, with complex curved surface processing capacity, it is realized through multi-axis linkage grinding, turning and other processes of crankshaft journal and connecting rod neck, machine tool structure is stable, equipped with precision control system, ensure processing accuracy, cutter head subassembly can be detached, it is convenient to replace tool, adapt to different processing needs, crankshaft processing machine plays a key role in the production field of engine such as automobile, ship, improves processing efficiency, guarantees crankshaft quality, has important significance to modern manufacturing industry.

[0003] The cutter head subassembly of the existing crankshaft processing machine is firmly installed on the machine tool by bolts, clamps or other fixing devices during use, the cutter head subassembly can be detached and replaced when it is damaged, when the cutter head is replaced currently, the cutter head needs to be aligned with the main shaft on the machine tool, because the cutter head is in a suspended state, the worker needs to stabilize the cutter head with one hand and rotate the bolt with the other hand to tighten the cutter head and the main shaft during installation, which makes the labor intensity of the worker higher, and the replacement and installation of the cutter head are more troublesome, affecting the use of the cutter head. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a detachable cutter head subassembly for crankshaft processing machine, which solves the problem that when the cutter head is replaced currently, the cutter head needs to be aligned with the main shaft on the machine tool, because the cutter head is in a suspended state, the worker needs to stabilize the cutter head with one hand and rotate the bolt with the other hand to tighten the cutter head and the main shaft during installation, which makes the labor intensity of the worker higher, and the replacement and installation of the cutter head are more troublesome, affecting the use of the cutter head.

[0006] (II) technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a detachable cutter head subassembly for crankshaft processing machine, comprising a machine tool main shaft, a cutter head is fixed to the front end of the machine tool main shaft, a plurality of mounting holes are formed in the front surface of the cutter head, an annular plate is welded to the rear surface of the cutter head, the machine tool main shaft and the inner part of the annular plate are slidingly inserted;

[0008] The auxiliary mechanism is arranged on the machine tool spindle, and comprises a pressing plate and a screw rod, a receiving groove is formed in the rear surface of the annular plate and communicates with the inside of the annular plate, the pressing plate is slidingly inserted into the inside of the receiving groove, a threaded groove is formed in the upper surface of the annular plate, the screw rod is screw-mounted in the inside of the threaded groove, the lower end of the screw rod is in contact with the upper surface of the pressing plate, a hexagonal annular plate is fixedly mounted on the upper surface of the screw rod, and an internal hexagonal wrench is slidingly inserted into the inside of the hexagonal annular plate.

[0009] Preferably, the auxiliary mechanism further comprises an L-shaped plate, and the L-shaped plate is fixedly mounted on the upper surface of the pressing plate at the rear end.

[0010] Preferably, a circular groove is formed in the upper surface of the pressing plate at the position corresponding to the threaded groove, and the lower end of the screw rod is inserted into the inside of the circular groove.

[0011] Preferably, a tool is fixedly mounted on the peripheral surface of the cutter disc.

[0012] Preferably, a T-shaped groove is formed in the lower surface of the pressing plate, the front end and the rear end of the T-shaped groove are both in open arrangement, a T-shaped plate is slidingly mounted in the inside of the T-shaped groove, a rubber pressing pad is fixedly mounted on the lower end of the T-shaped plate, and the rubber pressing pad is located on the lower surface of the pressing plate.

[0013] Preferably, the number of the auxiliary mechanisms is two, and the two auxiliary mechanisms are arranged on the upper end and the lower end of the rear surface of the annular plate respectively, and the two auxiliary mechanisms are arranged in a mirror image.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the detachable cutter disc assembly for the crankshaft machining machine tool has the following beneficial effects:

[0016] 1. The detachable cutter disc assembly for the crankshaft machining machine tool, by rotating the two screw rods, the two pressing plates in the two receiving grooves are fixed between the annular plate and the machine tool spindle, so that the cutter disc is simply stabilized, the subsequent staff can be facilitated to fixedly install the cutter disc and the machine tool spindle, the labor intensity of the staff is reduced, and the replacement efficiency of the cutter disc is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole overhead structure schematic view of the detachable cutter disc assembly for the crankshaft machining machine tool.

[0018] Figure 2 It is an inside cutaway side view structure schematic view of the detachable cutter disc assembly for the crankshaft machining machine tool.

[0019] Figure 3 It is Figure 2 An enlarged structure schematic view of A in the middle.

[0020] Figure 4 The auxiliary mechanism is set on the machine tool spindle 1, and the auxiliary mechanism comprises a pressing plate 5 and a screw rod 6.

[0021] In the figure: 1, machine tool spindle; 2, cutter head; 3, mounting hole; 4, annular plate; 5, pressing plate; 6, screw rod; 7, storage groove; 8, threaded groove; 9, L-shaped plate; 10, circular groove; 11, hexagonal annular plate; 12, inner hexagonal wrench; 13, cutter; 14, T-shaped groove; 15, T-shaped plate; 16, rubber pressing pad. DETAILED DESCRIPTION

[0022] 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 protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a new technical scheme: a detachable cutter head assembly for crankshaft machining machine tool, including machine tool spindle 1, the front end of machine tool spindle 1 is fixed with cutter head 2, the front surface of cutter head 2 is seted up with multiple mounting holes 3, the rear surface of cutter head 2 is welded with annular plate 4, machine tool spindle 1 and the inside of annular plate 4 are slidably inserted,

[0024] The auxiliary mechanism is set on the machine tool spindle 1, and the auxiliary mechanism comprises a pressing plate 5 and a screw rod 6. The rear surface of the annular plate 4 is provided with a storage groove 7, which is communicated with the inside of the annular plate 4. The pressing plate 5 is slidably inserted into the inside of the storage groove 7. The upper surface of the annular plate 4 is provided with a threaded groove 8. The screw rod 6 is screwedly installed in the inside of the threaded groove 8. The lower end of the screw rod 6 is in contact with the upper surface of the pressing plate 5. The upper surface of the screw rod 6 is fixedly installed with a hexagonal annular plate 11. The inside of the hexagonal annular plate 11 is slidably inserted with an inner hexagonal wrench 12.

[0025] Further, the auxiliary mechanism further comprises an L-shaped plate 9, which is fixedly installed at the rear end of the upper surface of the pressing plate 5.

[0026] Further, the upper surface of the pressing plate 5 is provided with a circular groove 10 corresponding to the position of the threaded groove 8. The lower end of the screw rod 6 is inserted into the inside of the circular groove 10.

[0027] Further, by rotating the two screw rods 6, the two pressing plates 5 entering into the two storage grooves 7 are fixed between the annular plate 4 and the machine tool spindle 1, so that the cutter head 2 is more simply stabilized, the subsequent staff is facilitated to fixedly install between the cutter head 2 and the machine tool spindle 1, the labor intensity of the staff is reduced, and the replacement efficiency of the cutter head is improved.

[0028] Further, the peripheral surface of the cutter head 2 is fixedly installed with cutters 13.

[0029] Further, the lower surface of the pressing plate 5 is provided with a T-shaped groove 14, the front and rear ends of the T-shaped groove 14 are provided with openings, the T-shaped plate 15 is slidably installed in the T-shaped groove 14, the lower end of the T-shaped plate 15 is fixedly installed with a rubber pressing pad 16, and the rubber pressing pad 16 is located on the lower surface of the pressing plate 5.

[0030] Further, the number of auxiliary mechanisms is two, and the two auxiliary mechanisms are located at the upper and lower ends of the rear surface of the annular plate 4 and are installed in a mirror image.

[0031] Further, when replacing and installing the cutter head, the cutter head 2 and the annular plate 4 on the cutter head 2 are aligned with the machine tool spindle 1, and the machine tool spindle 1 is pushed into the inside of the annular plate 4, then the two pressing plates 5 are pushed into the two storage grooves 7, and the internal hexagonal wrench 12 is used to rotate the two hexagonal annular plates 11, so that the two hexagonal annular plates 11 drive the two screw rods 6 fixedly connected thereto to rotate, and the two screw rods 6 rotate into the circular grooves 10 on the two pressing plates 5, respectively, and compact the two pressing plates 5, so that the two pressing plates 5 tighten the machine tool spindle 1, thereby stabilizing the machine tool spindle 1 and the annular plate 4. At this time, the worker can directly tighten the cutter head 2 and the machine tool spindle 1 through the installation hole 3, without one hand stabilizing the cutter head and the other hand rotating the bolt to tighten the cutter head and the spindle. After installation is completed, the two hexagonal annular plates 11 are rotated in the opposite direction, the two screw rods 6 are removed from the inside of the threaded grooves 8, and then the two pressing plates 5 are taken out from the inside of the storage grooves 7, completing the replacement and installation, reducing the labor intensity of the worker and facilitating the replacement and installation of the cutter head by the worker.

[0032] Structure description: machine tool spindle 1: this is the core component of the machine tool, used for installing the cutter head 2 and transmitting rotary power, so that the cutter head can rotate at high speed to process the crankshaft;

[0033] Cutter head 2: fixedly installed on the front end of the machine tool spindle 1, is a component for installing cutting tools; the cutter head has a plurality of installation holes 3 for fixedly connecting the machine tool spindle 1 and the cutter head 2 through bolts;

[0034] Installation hole 3: located on the front surface of the cutter head 2, used for connecting the machine tool spindle 1 and the cutter head 2 to process the crankshaft;

[0035] Annular plate 4: welded to the rear surface of the cutter head 2, providing a structural support and being slidably inserted into the machine tool spindle 1 to facilitate the installation and removal of the cutter head;

[0036] Pressing plate 5: The total number of two is arranged, slidingly inserted in the receiving groove 7 of the rear surface of the annular plate 4, for providing a certain degree of stability when installing the machine tool spindle 1 and the cutter head 2;

[0037] Screw rod 6: The total number of two is arranged, screwing in the threaded groove 8 of the annular plate 4, compacting the pressing plate 5 by rotating the screw rod 6;

[0038] Receiving groove 7: The total number of two is arranged, located on the rear surface of the annular plate 4, and communicated with the inside of the annular plate 4, for accommodating the pressing plate 5;

[0039] Threaded groove 8: The total number of two is arranged, located on the upper surface of the annular plate 4, for installing the screw rod 6;

[0040] L-shaped plate 9: Fixedly installed on the upper surface of the rear end of the pressing plate 5, for assisting in taking down the pressing plate 5;

[0041] Circular groove 10: The total number of two is arranged, located on the upper surface of the pressing plate 5, corresponding to the position of the threaded groove 8, for ensuring the correct docking of the lower end of the screw rod 6 and the pressing plate 5;

[0042] Hexagonal annular plate 11: The total number of two is arranged, fixedly installed on the upper surface of the screw rod 6, providing a hexagonal interface, facilitating the rotation operation of the internal hexagonal wrench 12;

[0043] Internal hexagonal wrench 12: For rotating the hexagonal annular plate 11, and adjusting the position of the screw rod 6;

[0044] Cutter 13: Fixedly installed on the surrounding surface of the cutter head 2, for actual cutting of the material of the crankshaft;

[0045] T-shaped groove 14: The total number of two is arranged, located on the lower surface of the pressing plate 5, and the front and rear ends are both open, for installing the T-shaped plate 15 and the rubber pressure pad 16;

[0046] T-shaped plate 15: The total number of two is arranged, slidingly installed in the T-shaped groove 14, and the lower end is fixedly provided with the rubber pressure pad 16, for installing the rubber pressure pad 16;

[0047] Rubber pressure pad 16: The total number of two is arranged, located on the lower surface of the pressing plate 5, for buffering between the pressing plate 5 and the machine tool spindle 1.

[0048] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable cutter head assembly for a crankshaft machining machine tool, comprising a machine tool spindle (1), a cutter head (2) is fixed to the front end of the machine tool spindle (1), a plurality of mounting holes (3) are formed in the front surface of the cutter head (2), characterized in that: The rear surface of the cutter head (2) is welded with an annular plate (4), and the machine tool spindle (1) is slidably inserted into the inner part of the annular plate (4); An auxiliary mechanism is arranged on the machine tool spindle (1), and the auxiliary mechanism comprises a pressing plate (5) and a screw rod (6). The rear surface of the annular plate (4) is provided with a receiving groove (7) which is communicated with the inner part of the annular plate (4). The pressing plate (5) is slidably inserted into the inner part of the receiving groove (7). The upper surface of the annular plate (4) is provided with a threaded groove (8). The screw rod (6) is threadedly installed in the inner part of the threaded groove (8). The lower end of the screw rod (6) is in contact with the upper surface of the pressing plate (5). The upper surface of the screw rod (6) is fixedly installed with a hexagonal annular plate (11). The inner part of the hexagonal annular plate (11) is slidably inserted with an internal hexagonal wrench (12).

2. A removable cutter head assembly for a crankshaft machining machine tool according to claim 1, characterized in that: The auxiliary mechanism further comprises an L-shaped plate (9) which is fixedly installed at the rear end of the upper surface of the pressing plate (5).

3. A removable cutter head assembly for a crankshaft machining machine tool according to claim 1, characterized in that: The upper surface of the pressing plate (5) is provided with a circular groove (10) at the position corresponding to the threaded groove (8). The lower end of the screw rod (6) is inserted into the inner part of the circular groove (10).

4. A removable cutter head assembly for a crankshaft machining machine tool according to claim 1, characterized in that: The peripheral surface of the cutter head (2) is fixedly installed with a cutter (13).

5. A removable cutter head assembly for a crankshaft machining machine tool according to claim 1, characterized in that: The lower surface of the pressing plate (5) is provided with a T-shaped groove (14) which is open at both front and rear ends. The inner part of the T-shaped groove (14) is slidably installed with a T-shaped plate (15). The lower end of the T-shaped plate (15) is fixedly installed with a rubber pressing pad (16) which is located on the lower surface of the pressing plate (5).

6. A removable cutter head assembly for a crankshaft machining machine tool according to claim 1, characterized in that: The number of the auxiliary mechanisms is two. The two auxiliary mechanisms are respectively located at the upper and lower ends of the rear surface of the annular plate (4) and are installed in a mirror image.