阅读说明：本技术 一种用于钛板修磨机的磨头压下装置 (Grinding head pressing device for titanium plate grinding machine ) 是由 柴自毫 任战锋 王卫超 于 2019-07-31 设计创作，主要内容包括：一种用于钛板修磨机的磨头压下装置,包括磨头支架和伸缩控制机构,磨头支架与修磨机本体铰接,伸缩控制机构的一端与修磨机本体铰接,伸缩控制机构的另一端连接有一个套筒,套筒内插设有顶杆,顶杆位于套筒内部的一端通过弹簧与套筒连接,顶杆远离套筒的一端与磨头支架铰接,且顶杆远离套筒的一端位于销轴和磨头之间,通过伸缩控制机构的伸缩运动,使磨头支架带动磨头向远离修磨机本体一侧下压；套筒的侧壁上穿设有限位块,通过限位块对顶杆远离套筒的运动进行阻挡,限位块沿套筒轴向的位置能够调节,使弹簧在磨头没有下压进行修磨时能够具有不同的压缩长度,以便于调节在磨头下压进行修磨使弹簧受压缩短时弹簧作用于磨头的下压力大小。(A grinding head pressing device for a titanium plate grinding machine comprises a grinding head support and a telescopic control mechanism, wherein the grinding head support is hinged with a grinding machine body, one end of the telescopic control mechanism is hinged with the grinding machine body, the other end of the telescopic control mechanism is connected with a sleeve, a push rod is inserted in the sleeve, one end, located inside the sleeve, of the push rod is connected with the sleeve through a spring, one end, away from the sleeve, of the push rod is hinged with the grinding head support, one end, away from the sleeve, of the push rod is located between a pin shaft and a grinding head, and the grinding head is driven by the grinding head support to press the grinding head downwards to the side, away from; wear to be equipped with the stopper on the telescopic lateral wall, keep away from telescopic motion to the ejector pin through the stopper and block, the stopper can be adjusted along sleeve axial position, makes the spring can have different compression length when the bistrique does not push down the coping to adjust the downforce size of spring action bistrique when the bistrique pushes down to carry out the coping and make the spring pressurized shorten.)

1. The utility model provides a bistrique screw down device for titanium plate sharpening machine which characterized in that: the grinding head device comprises a grinding head support (3) and a telescopic control mechanism, wherein a grinding head (2) is installed at one end of the grinding head support (3), a motor (4) for driving the grinding head (2) to rotate is further installed on the grinding head support (3), the grinding head support (3) is hinged to a grinding machine body (1) through a pin shaft (6), and the axis of the pin shaft (6) is parallel to the axis of the grinding head (2); one end of the telescopic control mechanism is hinged with the sharpening machine body (1), the other end of the telescopic control mechanism is connected with a sleeve (7), a mandril (8) is inserted in the sleeve (7), one end of the mandril (8) positioned in the sleeve (7) is connected with the sleeve (7) through a spring (9), the axes of the sleeve (7), the mandril (8) and the spring (9) are all coincided with the axis of the telescopic control mechanism, one end of the mandril (8) far away from the sleeve (7) is hinged with the grinding head support (3), and one end of the mandril (8) far away from the sleeve (7) is positioned between the pin shaft (6) and the grinding head (2), the mandril (8) drives the grinding head bracket (3) to rotate around the pin shaft (6) through the telescopic motion of the telescopic control mechanism, so that the grinding head support (3) drives the grinding head (2) to press downwards towards the side far away from the grinding machine body (1); a limiting block (10) penetrates through the side wall of the sleeve (7), and the limiting block (10) blocks the movement of one end, located inside the sleeve (7), of the ejector rod (8) far away from the sleeve (7) so as to limit the length of the spring (9) which can extend and enable the spring (9) to be in an unstretched state; the limiting block (10) can be adjusted along the axial position of the sleeve (7), so that the spring (9) can have different compression lengths when the grinding head (2) is not pressed down for grinding, and the adjustment is convenient for adjusting the magnitude of the downward force of the spring (9) acting on the ejector rod (8) and transmitted to the grinding head (2) through the grinding head support (3) when the grinding head (2) is pressed down for grinding and the spring (9) is shortened.

2. The grinding head pressing device for the titanium plate sharpening machine according to claim 1, characterized in that: the motor (4) is located on one side, away from the grinding head (2), of the pin shaft (6), and the motor (4) drives the grinding head (2) to rotate through the transmission belt (5).

3. The grinding head pressing device for the titanium plate sharpening machine according to claim 1, characterized in that: the ejector rod (8) is located one end inside the sleeve (7) and is provided with a boss, and the boss is clamped by a limiting block (10) and is far away from one side of the spring (9) so as to limit the movement of the ejector rod (8) far away from the sleeve (7).

4. The grinding head pressing device for the titanium plate sharpening machine according to claim 1, characterized in that: the lateral wall of sleeve (7) is seted up a plurality of through-holes that supply stopper (10) to wear to establish on, makes stopper (10) can install in the through-hole of difference so that adjust stopper (10) along sleeve (7) axial position.

5. The grinding head pressing device for the titanium plate sharpening machine according to claim 1, characterized in that: offer on the lateral wall of sleeve (7) and supply stopper (10) to follow sleeve (7) axial motion's logical groove, stopper (10) are located one of sleeve (7) inside and serve and are equipped with a retaining ring, and the width of retaining ring is greater than the width that leads to the groove, and stopper (10) are located one of the sleeve (7) outside and serve and twist and be equipped with the nut, screw up through the nut when with the lateral wall of retaining ring cooperation clamping sleeve (7), make stopper (10) along sleeve (7) axial positioning.

6. The grinding head pressing device for the titanium plate sharpening machine according to claim 1, characterized in that: offer on the lateral wall of sleeve (7) and supply stopper (10) to follow sleeve (7) axial motion's logical groove, the cooperation is installed on the both sides wall that leads to the groove and is used for driving the electronic slide rail of stopper (10) motion.

7. The grinding head pressing device for the titanium plate sharpening machine according to claim 1, characterized in that: the telescopic control mechanism adopts any one of an oil cylinder (11), an air cylinder or an electric push rod.

8. The grinding head pressing device for the titanium plate sharpening machine according to claim 7, characterized in that: the telescopic control mechanism adopts an oil cylinder (11), two oil inlet and outlet ports of the oil cylinder (11) are respectively connected with a working port A and a working port B of a three-position four-way reversing valve (12), an oil inlet P of the three-position four-way reversing valve (12) is connected with an oil tank (14) through an oil pump (13), and an oil return port T of the three-position four-way reversing valve (12) is connected with the oil tank (14).

9. The grinding head pressing device for the titanium plate grinding machine according to claim 8, wherein: the working port A and the working port B of the three-position four-way reversing valve (12) are respectively connected with two oil inlet and outlet ports of the oil cylinder (11) through respective one-way throttle valves (15), and the flow speed of hydraulic oil between the three-position four-way reversing valve (12) and the oil cylinder (11) is controlled through the one-way throttle valves (15), so that the stretching speed of the oil cylinder (11) is adjusted.

10. The grinding head pressing device for the titanium plate grinding machine according to claim 8, wherein: an oil filter (16) is connected between the oil pump (13) and the oil tank (14), and a one-way valve (17) is connected between the oil pump (13) and an oil inlet P of the three-position four-way reversing valve (12); an oil inlet P of the three-position four-way reversing valve (12) is also connected with a pilot overflow valve (18), and the pilot overflow valve (18) is connected with a two-position two-way electromagnetic reversing valve (19) to form an unloading loop.

Technical Field

The invention relates to the field of titanium plate sharpening machines, in particular to a grinding head pressing device for a titanium plate sharpening machine.

Background

In order to ensure the hot rolling quality of the titanium plate, the process flow for removing oxide skin and defects on the titanium plate before rolling is necessary, and the main method is to grind the surface by adopting grinding heads such as a grinding wheel or an impeller and the like. Because the plate is deformed in different degrees after hot rolling, the surface of the plate has the characteristic of uneven fluctuation, and the grinding head is required to be pressed down to have better following floatability so as to realize equivalent grinding in order to ensure the consistency and stability of the removal amount during grinding.

The key technology of the grinding head pressing system of the titanium plate grinding machine is that the grinding machine adopts a variable pump, a proportional valve, a programmable logic controller, a sensor and the like to control the state of an oil cylinder, and finally the position and pressure of the grinding head are controlled. The device has complex structure and control system and higher manufacturing and maintenance cost, and is influenced by the gravity, the friction force, the inertia force of the grinding head mechanism and the complex external force generated when the grinding head moves, the grinding head pressing position and the pressure output fluctuation are larger, the condition of uneven grinding exists, and the use requirement is difficult to meet.

Disclosure of Invention

In order to solve the problem that the existing titanium plate sharpening machine has defects, the invention provides a grinding head pressing device for the titanium plate sharpening machine.

The technical scheme adopted by the invention for solving the technical problems is as follows: a grinding head pressing device for a titanium plate grinding machine comprises a grinding head support and a telescopic control mechanism, wherein a grinding head is mounted at one end of the grinding head support, a motor for driving the grinding head to rotate is further mounted on the grinding head support, the grinding head support is hinged with a grinding machine body through a pin shaft, and the axis of the pin shaft is parallel to the axis of the grinding head; one end of the telescopic control mechanism is hinged with the sharpening machine body, the other end of the telescopic control mechanism is connected with a sleeve, a push rod is inserted in the sleeve, one end, located inside the sleeve, of the push rod is connected with the sleeve through a spring, the axes of the sleeve, the push rod and the spring are all overlapped with the axis of the telescopic control mechanism, one end, far away from the sleeve, of the push rod is hinged with the sharpening head support, one end, far away from the sleeve, of the push rod is located between the pin shaft and the sharpening head, and through telescopic motion of the telescopic control mechanism, the push rod drives the sharpening head support to rotate around the pin shaft, so that the sharpening head support drives the; a limiting block is arranged on the side wall of the sleeve in a penetrating mode, and the limiting block is used for blocking the movement of one end, located inside the sleeve, of the ejector rod, far away from the sleeve so as to limit the length of the spring which can extend and enable the spring to be in an unstretched state; the limiting block can be adjusted along the axial position of the sleeve, so that the spring can have different compression lengths when the grinding head is not pressed downwards for grinding, and the spring acts on the ejector rod and transmits the downward pressure to the grinding head through the grinding head support when the grinding head is pressed downwards for grinding so that the spring is compressed and shortened.

Preferably, the motor is located the side of round pin axle keeping away from the bistrique, and the motor passes through the drive belt drive bistrique and rotates.

Preferably, the ejector rod is provided with a boss at one end inside the sleeve, and the boss is clamped on one side far away from the spring through the limiting block so as to limit the movement of the ejector rod far away from the sleeve.

Preferably, a plurality of through holes for the limiting block to penetrate are formed in the side wall of the sleeve, so that the limiting block can be installed in different through holes to facilitate the adjustment of the position of the limiting block along the axial direction of the sleeve.

Preferably, set up the logical groove that supplies the stopper to follow sleeve axial motion on the telescopic lateral wall, the stopper is located one of sleeve inside and serves and be equipped with a retaining ring, and the width of retaining ring is greater than the width that leads to the groove, and the stopper is located one of the sleeve outside and serves and twist and be equipped with the nut, and through the nut when screwing up with retaining ring cooperation clamping sleeve's lateral wall, make the stopper along sleeve axial positioning.

Preferably, a through groove for the limiting block to move axially along the sleeve is formed in the side wall of the sleeve, and an electric sliding rail for driving the limiting block to move is installed on the two side walls of the through groove in a matched mode.

Preferably, the telescopic control mechanism adopts any one of an oil cylinder, an air cylinder or an electric push rod.

Furthermore, the telescopic control mechanism adopts an oil cylinder, two oil inlet and outlet ports of the oil cylinder are respectively connected with a working port A and a working port B of the three-position four-way reversing valve, an oil inlet P of the three-position four-way reversing valve is connected with an oil tank through an oil pump, and an oil return port T of the three-position four-way reversing valve is connected with the oil tank.

Furthermore, the working port A and the working port B of the three-position four-way reversing valve are respectively connected with two oil inlet and outlet ports of the oil cylinder through respective one-way throttle valves, and the flow speed of hydraulic oil between the three-position four-way reversing valve and the oil cylinder is controlled through the one-way throttle valves, so that the stretching speed of the oil cylinder is adjusted.

Further, an oil filter is connected between the oil pump and the oil tank, and a one-way valve is connected between the oil pump and an oil inlet P of the three-position four-way reversing valve; the oil inlet P of the three-position four-way reversing valve is also connected with a pilot-operated overflow valve, and the pilot-operated overflow valve is connected with a two-position two-way electromagnetic reversing valve to form an unloading loop.

According to the technical scheme, the invention has the beneficial effects that:

the grinding head pressing device for the titanium plate grinding machine, provided by the invention, realizes the function of grinding the grinding machine in the same thickness through the design of the device, has the characteristics of simple structure, low manufacturing and maintenance cost and the like, ingeniously controls the pressing force of the grinding head by utilizing the compression amount of the spring, and adjusts the pressing force by changing the position of the limiting block so as to meet the requirements of different grinding modulus.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an enlarged schematic view of the sleeve, the ejector rod, the spring and the limiting block.

The labels in the figure are: 1. the grinding machine comprises a grinding machine body, 2, grinding heads, 3, a grinding head support, 4, a motor, 5, a transmission belt, 6, a pin shaft, 7, a sleeve, 8, a mandril, 9, a spring, 10, a limiting block, 11, an oil cylinder, 12, a three-position four-way reversing valve, 13, an oil pump, 14, an oil tank, 15, a one-way throttle valve, 16, an oil filter, 17, a one-way valve, 18, a pilot overflow valve, 19 and a two-position two-way electromagnetic reversing valve.

Detailed Description

Referring to the drawings, the specific embodiments are as follows:

the utility model provides a bistrique screw-down device for titanium plate sharpening machine, includes bistrique support 3 and flexible control mechanism, bistrique 2 is installed to the one end of bistrique support 3, still installs on bistrique support 3 and is used for driving the rotatory motor 4 of bistrique 2, and motor 4 is located one side that round pin axle 6 kept away from bistrique 2, and motor 4 passes through 5 drive bistrique 2 rotations of drive belt, and it is articulated through round pin axle 6 between bistrique support 3 and the sharpening machine body 1, the axis of round pin axle 6 and the axis parallel arrangement of bistrique 2. The one end of flexible control mechanism is articulated with sharpening machine body 1, and flexible control mechanism's the other end is connected with a sleeve 7, and the interpolation of sleeve 7 is equipped with ejector pin 8, and the one end that ejector pin 8 is located sleeve 7 inside is passed through spring 9 and is connected with sleeve 7, and the axis of sleeve 7, ejector pin 8 and spring 9 all coincides with flexible control mechanism's axis mutually, and the one end that sleeve 7 was kept away from to ejector pin 8 is articulated with bistrique support 3, and the one end that sleeve 7 was kept away from to ejector pin 8 is located between round pin axle 6 and the bistrique 2, through the concertina movement of flexible control mechanism, make ejector pin 8 drive bistrique support 3 rotate around round pin axle 6 to it pushes down to keeping away from sharpening machine body 1.

In the embodiment, the telescopic control mechanism adopts an oil cylinder 11, two oil inlet and outlet ports of the oil cylinder 11 are respectively connected with a working port A and a working port B of a three-position four-way reversing valve 12, an oil inlet P of the three-position four-way reversing valve 12 is connected with an oil tank 14 through an oil pump 13, an oil return port T of the three-position four-way reversing valve 12 is connected with the oil tank 14, the working port A and the working port B of the three-position four-way reversing valve 12 are respectively connected with the two oil inlet and outlet ports of the oil cylinder 11 through a respective one-way throttle valve 15, and the flow speed of hydraulic oil between the three-position four-way reversing valve 12 and the oil cylinder 11 is; an oil filter 16 is connected between the oil pump 13 and the oil tank 14, and a one-way valve 17 is connected between the oil pump 13 and an oil inlet P of the three-position four-way reversing valve 12; an oil inlet P of the three-position four-way reversing valve 12 is also connected with a pilot-operated overflow valve 18, the pilot-operated overflow valve 18 is connected with a two-position two-way electromagnetic reversing valve 19, and when the two-position two-way electromagnetic reversing valve 19 is displaced, hydraulic oil can directly flow back to the oil tank 14, so that an unloading loop is formed.

Wear to be equipped with stopper 10 on the lateral wall of sleeve 7, ejector pin 8 is located one of sleeve 7 inside and serves and have the boss, establishes the motion that one side that the spring 9 was kept away from in order to restrict ejector pin 8 through stopper 10 card and keep away from sleeve 7 to the length that restriction spring 9 can extend makes spring 9 be in not by tensile state. The axial position of stopper 10 along sleeve 7 can be adjusted, makes spring 9 can have different compression length when bistrique 2 does not push down the coping to adjust the internal elastic stress of spring 9 when bistrique 2 pushes down the coping and makes spring 9 pressurized shorten, just also can adjust the spring 9 and act on ejector pin 8 and transmit the downforce size to bistrique 2 through bistrique support 3.

The position of the limiting block 10 can be adjusted by adopting various methods, and a plurality of through holes for the limiting block 10 to penetrate through can be formed in the side wall of the sleeve 7, so that the limiting block 10 can be arranged in different through holes to facilitate the adjustment of the position of the limiting block 10 along the axial direction of the sleeve 7; a through groove for allowing the limiting block 10 to move axially along the sleeve 7 is formed in the side wall of the sleeve 7, a check ring is arranged at one end, located inside the sleeve 7, of the limiting block 10, the width of the check ring is larger than that of the through groove, a nut is screwed on one end, located outside the sleeve 7, of the limiting block 10, and the side wall of the sleeve 7 is clamped through cooperation of the nut and the check ring when the nut is screwed down, so that the limiting block 10 is axially positioned along the sleeve 7; electronic control can also be adopted for setting up, a through groove for the limiting block 10 to move along the axial direction of the sleeve 7 is arranged on the side wall of the sleeve 7, and an electric slide rail for driving the limiting block 10 to move is arranged on the two side walls of the through groove in a matched mode.