TWM451195U - Beam fastening mechanism - Google Patents

Description

Beam fastening mechanism

The present invention relates to a beam fastening mechanism, in particular to a beam fastening mechanism which can lightly stabilize the beam and has a self-locking function to prevent the position of the beam from shifting when the oil pressure source is abnormal.

According to the manufacturing industry, it is a national industrial development hub. The manufacture of many products depends on the processing and forming of machine tools. With the different uses, the machine tools are divided into lathes, milling machines, drilling machines, etc. The machine tool also has large and small machine tools. The existing large machine tool mainly includes the machine body, the work table set on the machine body, and the vertical column vertically erected on both sides of the machine body, and horizontally installed between the two vertical columns. The beam is vertically movable along the vertical column and fixed at a certain height, and the cutter device is mounted on the beam to reciprocate horizontally along the beam.

When the beam is moved vertically to the machining height along the vertical column, the beam needs to be tightened to ensure the stability and accuracy of the workpiece processing. Please refer to the "beam fixing mechanism" of Japanese Patent Laid-Open No. 7-164269. It is mainly for the improvement of the beam fixing mechanism of the early machine tool. The beam fixing mechanism of the early machine tool is designed to separate the fastening mechanism from the pressure plate. The fastening mechanism is arranged on the pressure plate and below, and the pressure plate is arranged in the middle, so that the pressure plate The length is short, the pressure on the pressure plate is large, and there is often a frictional seizure situation. The "beam fixing mechanism" of Japanese Patent Laid-Open No. 7-164269 increases the length of the pressure plate to reduce the surface pressure of the pressure plate. However, the implementation still requires a large The cylinder driving force and the larger size area of the cylinder can achieve the fastening force for the beam to be firmly fixed to the vertical column, and since there is no self-locking function, when the oil source is abnormal due to power failure and other factors, the beam is fastened. The function will be reduced, causing the position of the beam to shift, affecting the processing accuracy. Therefore, when the power is restored, it is often necessary to re-correct the beam and the tool position, resulting in Unreasonable cost of processing labor.

The reason is that the creator has a large cylinder driving force and a lack of self-locking function in view of the existing beam fixing mechanism such as the "beam fixing mechanism" of the Japanese Patent Laid-Open No. 7-164269, which is easy to oil. When the pressure source is abnormal, the beam offset and other defects occur. It is supported by the manufacturing and design experience and knowledge of the related fields for many years, and the research and development of the existing beam fixing mechanism is carried out by many ingenuity.

The present invention relates to a beam fastening mechanism, the main purpose of which is to provide a beam fastening mechanism which can lightly stabilize the beam and has a self-locking function to prevent the position of the beam from shifting when the oil pressure source is abnormal.

In order to achieve the above-mentioned implementation objectives, the creator has developed the following beam fastening mechanism, which is provided with a vertical column, and has a beam at the vertical column group, and a beam fastening mechanism at the vertical column and the beam assembly; Features are:

The fastening mechanism comprises a fixing block for abutting against the beam at the two end faces of the vertical column, and a fastening rod is further provided, and one end of the fastening rod is fixed to the beam, and the fastening rod is fixed a wedge-shaped portion is radially formed at the other end, and a wedge-shaped block is disposed on a circumferential side of the wedge-shaped portion of the fastening rod, and one end of the wedge-shaped block abuts against the fixed block, and the first inclined surface of the wedge-shaped block is fastened and fastened. The inclined surface of the wedge portion of the rod is in contact with each other, and a fastening cover is further disposed on the fastening cover to form a wedge groove, wherein the fastening rod is provided with one end of the wedge portion and the wedge block is accommodated therein, and the wedge shape is The inclined surface of the groove is in contact with the second inclined surface of the wedge block opposite to the first inclined surface thereof, and another set of vertical blocks is formed, and the set of vertical blocks is formed with a receiving groove for receiving the fixing cover, and the The set block is locked with the fixed block, and the set block is provided with a fastening hole to communicate with the receiving groove, and the fixed block is provided with a pressure releasing hole to communicate with the receiving groove of the forming block.

The beam securing mechanism as described above, wherein the first slope of the wedge block is further at an angle of 45 degrees to the straight side adjacent to the wedge block.

The beam securing mechanism as described above, wherein the second slope of the wedge block further forms an angle of about 5 degrees with the straight side of the wedge block adjacent to the first slope.

The beam fastening mechanism as described above, wherein the fixing block is provided with a perforation, and the beam is provided with a screw hole to correspond to the perforation of the fixing block, and one end of the fastening rod and the beam assembly is provided. a threaded section, such that one end of the fastening rod and the beam assembly passes through the perforation of the fixing block to be screwed with the screw hole of the beam.

The beam fastening mechanism as described above, wherein the fastening hole of the group of blocks and the one end of the assembly block are corresponding to an end surface of the fastening cover, and the pressure relief hole and the assembly block of the fixing block are One end of the slot communication corresponds to the other end surface of the fastening cover.

The beam fastening mechanism as described above, wherein the fastening holes of the set of blocks and the pressure relief holes of the fixed block are further provided with a hydraulic source.

Therefore, the beam fixing mechanism of the present invention utilizes the wedge block, the wedge groove of the fastening cover, and the wedge portion of the fastening rod to generate a lever magnification effect, so that only a light driving force can be applied during implementation. Achieve the effect of solid fastening of the beam.

In addition, the beam fixing mechanism of the present invention generates a leverage ratio by a wedge block, a wedge groove of a fastening cover, and a wedge portion of a fastening rod. Therefore, in practice, only a small size cylinder is required. , the good fastening effect on the beam can be achieved.

In addition, the beam fixing mechanism of the present invention utilizes the frictional force between the wedge block and the wedge groove of the fastening cover to create a self-locking action when the beam is fastened. Thus, when the oil source is abnormal, the creation is The beam securing mechanism can still maintain a stable fastening function to the beam to ensure the machining accuracy during machining.

The beam fixing mechanism of the replica creates a self-locking action when the beam is fixed by the friction between the wedge block and the wedge groove of the fastening cover, thereby, when the oil source is abnormal, Effectively avoiding the positional displacement of the beam, and re-correcting the time required for the beam and the position of the tool on it.

In order to make the technical means of this creation and the effect it can achieve, it can be more completely and clearly disclosed. For details, please refer to the following diagrams and drawings:

First of all, please refer to the first and second figures. The beam fixing mechanism of the present invention is mainly provided with vertical columns (1) on both sides of the machine body of the machine tool and installed between the two vertical columns (1). There is a beam (2), and at least a fastening mechanism (3) is provided at the group of the column (1) and the beam (2); wherein:

The fastening mechanism (3) includes a fixing block (31) opposite to the beam (2) and opposite ends of the vertical column (1), and a fixing hole (311) is provided with a through hole (311) to Corresponding to the screw hole (21) of the beam (2), a fastening rod (32) is further provided, and the fastening rod (32) is formed with a threaded section (321) at one end for passing through the fixing block (31). The perforation (311) is screwed to the screw hole (21) of the beam (2), and the fastening rod (32) is radially formed with a wedge portion (322) at the other end, and The wedge-shaped portion (322) of the tension rod (32) is provided with a plurality of wedge-shaped blocks (33) on the circumference side ring, and the wedge portion (322) of the fastening rod (32) and the wedge-shaped block (33) are along the diameter of the fastening rod (32). A gap is formed, and one end of the wedge block (33) is abutted against the fixed block (31), and the first inclined surface (331) of the wedge block (33) and the wedge portion (322) of the fastening rod (32) are provided. ) the slope (323) is in contact with each other, The first inclined surface (331) of the wedge block (33) and the adjacent straight side (333) of the wedge block (33) have an angle β of about 40 to 50 degrees (45 degrees is optimal), and a solid a tight cover (34), the wedge cover (341) is formed on the fastening cover (34), wherein the fastening rod (32) is provided with one end of the wedge portion (322) and the wedge block (33) is accommodated therein And the inclined surface (342) of the wedge groove (341) is in contact with the second inclined surface (332) of the wedge block (33) opposite to the first inclined surface (331), and the second wedge portion (33) The inclined surface (332) is at an angle of about 4 to 7 degrees (optimally 5 degrees) with the angle α between the adjacent straight side surface (333) of the first inclined surface (331) of the wedge block (33), and is solidified. The tension rod (32) and the wedge block (33) form a gap along the axial direction of the fastening rod (32) and the wedge groove (341) of the fastening cover (34), and further comprise a set of vertical blocks (35), and the The group block (35) is formed with a pocket (3) 1), the fixing cover (34) is accommodated therein, and a gap is formed between the receiving groove (351) of the set of the vertical block (35) and the fastening cover (34) along the axial direction of the fastening rod (32) And the set of the block (35) is inserted into the screw holes (352) and (312) of the set block (35) and the fixing block (31) by bolts and the like (36), so that the block (35) is assembled. (35) is locked with the fixing block (31), and the fastening rod (32), the wedge block (33) and the fastening cover (34) are positioned between the group block (35) and the fixed block (31), and A fixing hole (353) is disposed in the group block (35) to communicate with the receiving groove (351), and one end of the fixing hole (353) and the fixing cover (34) are axially disposed along the fixing rod (32) Corresponding to one end surface, a pressure relief hole (313) is disposed on the fixing block (31) to communicate with the cavity (351) of the assembly block (35), and one end of the pressure release hole (313) and the fastening cover are provided. (34) the other end face along the axial direction of the fastening rod (32) Shall, in complex fastening holes (353) and the pressure release hole (313) hydraulic pressure source provided the other end of the group.

Accordingly, when the workpiece cutting process is performed, the beam (2) is vertically moved along the vertical column (1), so that the tool device mounted on the beam (2) is fed to the preset machining height, and then driven. The fastening mechanism (3) is used to fasten the beam (2) to stabilize the cutting operation of the cutter device mounted on the beam (2). Please refer to the third figure to actuate the fastening mechanism (3). When the oil pressure source connected by the driving fastening hole (353) is injected into the hydraulic oil, the hydraulic oil is flowed into the cavity (351) of the assembly block (35) by the fastening hole (353), which The injected hydraulic oil generates a hydraulic driving force F1 to push the one end of the fastening cover (34) provided in the receiving groove (351) of the group block (35) toward the fixed block (31), when When the fastening cover (34) is fed in the direction of the fixing block (31), the wedge block (33) of the wedge groove (341) of the fastening cover (34) is further received into the wedge groove (341). At this time, the cover (34) has a wedge groove (3) 1) The inclined surface (342) is displaced by the second inclined surface (332) of the wedge block (33) to resist the direction of the fastening rod (32) of the wedge block (33) in the middle, and generates a fastening rod (32) ) The force of the push F2.

Please refer to the fourth figure as shown in the fourth figure, while the wedge block (33) is displaced by the force F2 against the fixing rod (32), and the first inclined surface (331) of the wedge block (33) is fixed. The inclined rod (32) of the wedge (32) acts as a slope (323) of the wedge portion (322) to generate a force F3 for pressing the fastening rod (32) against the beam (2), and at this time, with the fastening rod (32) The phase-flanged beam (2) is pulled by the fastening rod (32) and is pressed against the vertical column (1), while the fastening rod (32) will have a reaction to the wedge block (33). a force to push the wedge block (33) against the fixed block (31) and to urge the fixed block (31) against the vertical column (1), thereby making the beam (2) and the fixed block (31) together The vertical column (1) is clamped tightly to achieve the effect of firmly fixing the beam (2) to the vertical column (1).

Please refer to the third and fourth figures again. When the beam fixing mechanism of the present invention is actuated, it is assumed that the hydraulic driving force injected by the fastening hole (353) is F1, and the wedge block (33) is fastened. The force of the rod (32) against the push is F2, and the force of the tightening rod (32) pulling the beam (2) pressing the vertical column (1) is F3, and the friction coefficient of the interface is assumed to be μ, and the friction angle is Tan. ̄1(μ)=θ, then the force relationship is:

F2=F1/Tan(α+θ);

F3=F2/Tan(β+θ);

According to the leverage ratio = F3 / F1, its calculation formula is:

When the friction coefficient μ=0.1,

The friction angle is Tan ̄1 (0.1) = 5.7 °;

α=5°;

β=45°;

F2=F1/Tan(5°+5.7°)=5.3 * F1;

F3=F2/Tan(45°+5.7°)=0.82 * F2;

Then the leverage ratio = F3 / F1 = 4.3;

Therefore, from the above calculation formula, the hydraulic driving force F1 injected from the hydraulic pressure source through the fastening hole (353) is wedge-shaped groove (33) and the wedge-shaped groove of the fastening cover (34) via the beam fixing mechanism of the present invention. (341) and the leverage ratio formed by the wedge portion (322) of the fastening rod (32), etc., can produce 4.3 times the beam (2) fastening force F3, therefore, only light force is required for implementation. A good beam (2) fastening effect can be achieved, and the friction between the wedge block (33) and the wedge groove (341) of the fastening cover (34) can be made by the beam fastening mechanism of the present invention. The beam fixing mechanism of the present invention exhibits a self-locking state when it is fastened. Thus, when the oil pressure source causes an abnormality in the hydraulic driving force provided due to a power failure or the like, the beam fixing mechanism of the present invention is The fixing function between the beam (2) and the vertical column (1) will not be reduced any more, so the accuracy and stability of the position of the beam (2) can be maintained when the oil source is abnormal. When the power is restored, No need to recalibrate the horizontal The position of the tool device on the beam (2) and the beam (2) is based on this, so as to further achieve the substantial benefits such as ensuring the machining accuracy and saving the labor time.

Furthermore, when the fixing function of the beam fixing mechanism of the present invention is to be performed on the beam (2) and the vertical column (1), the hydraulic oil can be input from the pressure releasing hole (313) provided in the fixing block (31). The back cover (34) is reversely pressed to reset the fastening cover (34), and the pressing action of the fastening cover (34) on the wedge block (33) is synchronously released, and the fastening cover (34) is fixed. While the pushing action of the wedge block (33) is released, the force of the wedge block (33) pulling the beam (2) against the vertical column (1) via the fastening rod (32) is also released, thereby achieving The effect of the beam fixing mechanism of the present invention on the fastening function between the beam (2) and the vertical column (1) is released.

According to the above structure and implementation, the author has the following advantages:

1. The beam fixing mechanism of the present invention uses the wedge block, the wedge groove of the fastening cover and the wedge portion of the fastening rod to generate the leverage ratio effect, so that only a light force driving force can be achieved when implementing Stabilize the effect of the beam.

2. The beam fixing mechanism of the present invention generates a leverage ratio by a wedge block, a wedge groove of a fastening cover, and a wedge portion of a fastening rod. Therefore, in practice, only a small size cylinder is required. With the setting, the good fastening effect on the beam can be achieved.

3. The beam fixing mechanism of the present invention utilizes the frictional force between the wedge block and the wedge groove of the fastening cover to create a self-locking action when the beam is fastened. Thus, when the oil source is abnormal, the creation The beam fixing mechanism can still maintain a stable fastening function for the beam to ensure the machining accuracy during processing.

4. The beam fixing mechanism of the present invention utilizes the frictional force between the wedge block and the wedge groove of the fastening cover to create a self-locking action when the beam is fastened, thereby when the oil source is abnormal, It can effectively avoid the positional deviation of the beam, and it is necessary to re-correct the working time of the beam and the position of the tool on it.

In summary, the present embodiment can achieve the expected efficacy, and the specific structure disclosed is not only seen in similar products, nor has it been disclosed before the application, and has fully complied with the requirements and requirements of the Patent Law.爰Proposing an application for a new type of patent in accordance with the law, and pleading for a review and granting a patent, it is really sensible.

(1) ‧ ‧ vertical columns

(2)‧‧‧ beams

(21)‧‧‧ screw holes

(3) ‧‧‧ fastening mechanism

(31) ‧‧‧Fixed blocks

(311)‧‧‧Perforation

(312)‧‧‧ Screw holes

(313) ‧‧‧ Pressure relief holes

(32) ‧‧‧ Tightening rod

(321)‧‧‧Thread segments

(322)‧‧‧Wedges

(323)‧‧‧Bevel

(33)‧‧‧ wedge blocks

(331)‧‧‧First bevel

(332)‧‧‧second slope

(333)‧‧‧ Straight side

(34) ‧‧‧Fixed cover

(341)‧‧‧Wedge groove

(342)‧‧‧Bevel

(35) ‧‧‧Groups

(351) ‧‧‧ 容容

(352)‧‧‧ screw holes

(353) ‧‧‧ Tight holes

(36)‧‧‧Locker

The first picture: the exploded view of the creation

The second picture: a sectional view of the combination of the creation

The third picture: the use state diagram of this creation (1)

The fourth picture: the use state diagram of this creation (2)

(1) ‧ ‧ vertical columns

(2)‧‧‧ beams

(21)‧‧‧ screw holes

(3) ‧‧‧ fastening mechanism

(31) ‧‧‧Fixed blocks

(311)‧‧‧Perforation

(312)‧‧‧ Screw holes

(313) ‧‧‧ Pressure relief holes

(32) ‧‧‧ Tightening rod

(321)‧‧‧Thread segments

(322)‧‧‧Wedges

(323)‧‧‧Bevel

(33)‧‧‧ wedge blocks

(331)‧‧‧First bevel

(332)‧‧‧second slope

(333)‧‧‧ Straight side

(34) ‧‧‧Fixed cover

(341)‧‧‧Wedge groove

(342)‧‧‧Bevel

(35) ‧‧‧Groups

(351) ‧‧‧ 容容

(352)‧‧‧ screw holes

(353) ‧‧‧ Tight holes

(36)‧‧‧Locker

Claims (10)

A beam fixing mechanism is provided with a vertical column, and a beam is arranged in the vertical column group, and a beam fixing mechanism is arranged at the vertical column and the beam group; the characteristics are as follows:
The fastening mechanism comprises a fixing block for abutting against the beam at the two end faces of the vertical column, and a fastening rod is further provided, and one end of the fastening rod is fixed to the beam, and the fastening rod is fixed a wedge-shaped portion is formed radially at the other end, and a wedge-shaped block is disposed on the circumferential side of the wedge-shaped portion of the fastening rod, and a wedge-shaped portion of the fastening rod and the wedge-shaped block are formed with a gap along a radial direction of the fastening rod, and One end of the wedge block abuts against the fixing block, and the first inclined surface of the wedge block is in contact with the inclined surface of the wedge portion of the fastening rod, and a fastening cover is formed on the fastening cover, and a wedge groove is formed on the fastening cover to The fixing rod is provided with one end of the wedge portion and the wedge block is received therein, and the inclined surface of the wedge groove is in contact with the second inclined surface of the wedge block opposite to the first inclined surface thereof, and the fastening rod and the wedge shape are The block forms a gap along the axial direction of the fastening rod and the wedge groove of the fastening cover, and further comprises a set of vertical blocks, and the set of the vertical block is formed with a receiving groove for receiving the fixing cover, and the set of the vertical block The groove and the fastening cover form a gap along the axial direction of the fastening rod, and the pair of vertical blocks are locked with the fixed block Another group in the upright block is provided with fastening holes, receiving grooves communicating therewith, the fixing block is provided to complex relief aperture, with the receptacle block group sets up the communication. The beam fastening mechanism according to claim 1, wherein the first slope of the wedge block further forms an angle of 40 to 50 degrees with respect to the flat side of the wedge block. The beam fastening mechanism of claim 2, wherein the second slope of the wedge block further forms an angle of about 4 degrees to 7 degrees with respect to the straight side of the wedge block adjacent to the first slope. The beam fastening mechanism according to claim 1, wherein the second slope of the wedge block further forms an angle of about 4 to 7 degrees with respect to a straight side of the wedge block adjacent to the first slope. The beam fastening mechanism of claim 1, wherein the first slope of the wedge block further forms an angle of 45 degrees with the straight side adjacent to the wedge block. The beam fastening mechanism of claim 5, wherein the second slope of the wedge block further forms an angle of about 5 degrees with the straight side of the wedge block adjacent to the first slope. The beam fastening mechanism of claim 1, wherein the second slope of the wedge block further forms an angle of about 5 degrees with the straight side of the wedge block adjacent to the first slope. The beam fastening mechanism according to claim 1, wherein the fixing block is provided with a perforation, and the cross beam is provided with a screw hole to correspond to the perforation of the fixing block, and the fastening rod and the beam group are further provided. One end is provided with a threaded section such that one end of the fastening rod and the beam assembly passes through the perforation of the fixing block to be screwed with the screw hole of the beam. The beam fastening mechanism of claim 1, wherein the fastening hole of the group of blocks and the one end of the assembly block are corresponding to one end of the fastening cover along the axial direction of the fastening rod, and One end of the pressure release hole of the fixing block and the groove of the group block corresponds to the other end of the fastening cover along the axial direction of the fastening rod. The beam fastening mechanism according to any one of claims 1 to 9, wherein the fastening holes of the set of blocks and the pressure relief holes of the fixed block are further provided with a hydraulic source.