阅读说明：本技术 一种在高度方向精确进给和定位装置 (Accurate feeding and positioning device in height direction ) 是由 刘春宇 陈琳 朱本义 于 2019-10-27 设计创作，主要内容包括：本发明涉及机械技术领域,且公开了一种在高度方向精确进给和定位装置,包括安装台,所述安装台的顶部开设有连通安装台右侧的安装腔,所述安装腔底部的内壁上通过安装轴承座转动连接有第一螺纹杆,所述第一螺纹杆的顶端延伸至安装台的上方,所述安装台的顶部固定连接有位于第一螺纹杆两侧且对称的两个固定杆,所述安装台的正上方设置有基座,所述基座的底部开设有结合槽。本发明通过数显直进式微分头向下精确进给到理论计算高度,此时在高度方向两个定心零件的球心重合,然后将两个定心在一起的零件安装在基座的水平面上进行验证,这种操作不仅具有校准和标定作用,从而达到在高度方向上能实现精确进给和定心的效果。(The invention relates to the technical field of machinery, and discloses a device for accurately feeding and positioning in the height direction, which comprises an installation platform, wherein the top of the installation platform is provided with an installation cavity communicated with the right side of the installation platform, the inner wall of the bottom of the installation cavity is rotatably connected with a first threaded rod through an installation bearing seat, the top end of the first threaded rod extends to the upper part of the installation platform, the top of the installation platform is fixedly connected with two symmetrical fixed rods positioned at two sides of the first threaded rod, a base is arranged right above the installation platform, and the bottom of the base is provided with a combination groove. The digital display straight-in type differential head accurately feeds downwards to the theoretical calculation height, the spherical centers of two centering parts coincide in the height direction, and then the two centering parts are arranged on the horizontal plane of the base for verification.)

1. The utility model provides an at direction of height accurate feeding and positioner, includes mount table 1, its characterized in that, installation cavity (2) on intercommunication mount table (1) right side is seted up at the top of mount table (1), be connected with first threaded rod 3 through installing bearing frame rotation on the inner wall of installation cavity (2) bottom, the top of first threaded rod (3) extends to the top of mount table (1), the top fixedly connected with of mount table (1) is located two dead levers (4) of first threaded rod (3) both sides and symmetry, be provided with base (5) directly over mount table (1), the bottom of base (5) is seted up and is combined groove (6), the surface threaded connection of first threaded rod (3) has thread block (7) that are located the inside of combining groove (6), the top fixedly connected with bracing piece (8) of thread block (7), the top end of the supporting rod (8) is fixedly connected to the inner surface of the top of the combining groove (6), the left side and the right side of the thread block (7) are both sleeved on the inner surface of the fixing rod (4) through fixing rings (9), the front of the base (5) is fixedly connected with two symmetrical positioning pins (10), the front of the base (5) is fixedly connected with a calibration pin (11) positioned above the two positioning pins (10), the top of the base (5) is fixedly connected with a guide rail (12), and the inner surface of the guide rail (12) is connected with a sliding plate (13) in a sliding manner;

the top of slide (13) threaded connection has high-head knurled screw (14), the top of guide rail (12) is provided with gland (15), the top fixedly connected with body (16) of slide (13), slide (13) is run through to the bottom of body (16), the inside of body (16) has second threaded rod (18) through connecting nut (17) threaded connection, the top fixedly connected with control knob (19) of second threaded rod (18), the bottom fixedly connected with rolling disc (20) of second threaded rod (18), ring channel (21) has been seted up to the surface of rolling disc (20), the internal surface sliding connection of ring channel (21) has two symmetrical squeeze bars (22), two the bottom fixedly connected with of squeeze bar (22) is same combination dish (23), the bottom fixedly connected with digital display straight advancing type differential head (24) of combination dish (23), the bottom of the digital display straight-in type differential head (24) is fixedly connected with a nylon sleeve.

2. A height direction precision feeding and positioning apparatus as claimed in claim 1, wherein guide rollers (25) are fixedly connected to both left and right sides of the combining plate (23), and wear pads are fixedly connected to outer surfaces of the guide rollers (25).

3. The accurate feeding and positioning device in the height direction of claim 1, wherein the right side of the mounting table (1) is rotatably connected with a control rod (26) positioned inside the mounting cavity (2) through a positioning bearing seat, the left end of the control rod (26) is fixedly connected with a driving bevel gear (27) positioned at the right side of the first threaded rod (3), the outer surface of the first threaded rod (3) is meshed with the driving bevel gear (27) through a driven bevel gear, and the right end of the control rod (26) is fixedly connected with an operating knob (28).

4. The accurate feeding and positioning device in the height direction according to claim 1, wherein the top of the mounting platform (1) is fixedly connected with two symmetrical stabilizing frames (29) which are positioned at two sides of the base (5), a stabilizing groove (30) is formed on the inner surface of the back of the stabilizing frame (29), stabilizing bars (31) are fixedly connected with the left side and the right side of the base (5), one end of each stabilizing bar (31) far away from the base (5) is slidably connected on the inner surface of the corresponding stabilizing groove (30), a rubber attaching plate (32) is fixedly connected on the outer surface of each stabilizing bar (31), and one side of each rubber attaching plate (32) far away from the base (5) is attached to the corresponding stabilizing frame (29).

5. The accurate feeding and positioning device in the height direction according to claim 4, wherein the left and right sides of the base (5) are fixedly connected with a balance plate (33) above the stabilizer bar (31), one side of the balance plate (33) far away from the base (5) penetrates through the stabilizer frame (29), the top and bottom of the balance plate (33) are slidably connected on the inner surface of the stabilizer groove (30) through the stabilizer bar (34), the top of the balance plate (33) is fixedly connected with a mounting plate (35) at one side of the stabilizer frame (29) far away from the base (5), one side of the mounting plate (35) near the base (5) is fixedly connected with two return springs (36), one end of the two return springs (36) far away from the mounting plate (35) is fixedly connected with the same horizontal fixing block (37), one side of the horizontal fixing block (37) far away from the base (5) is fixedly connected with a force application handle (38) through the mounting plate (35) through the long rod .

6. A height direction precision feeding and positioning device according to claim 5, wherein the front and back of the horizontal fixing block (37) are stepped, and the front and back of the horizontal fixing block (37) are stepped at an inclination between thirty degrees and sixty degrees.

7. A device for precision feeding and positioning in the height direction according to claim 1, characterized in that the length of said first threaded rod (3) and said second threaded rod (18) is not less than fifteen centimeters, and the length of the thread of the outer surface of said first threaded rod (3) and said second threaded rod (18) is not less than ten centimeters.

8. A height precision feeding and positioning device according to claim 5 wherein the front face of the apply handle (38) is arcuate in shape and the arc of the front face of the apply handle (38) is between one hundred fifty and one hundred eighty degrees.

Technical Field

The invention relates to the technical field of machinery, in particular to a device for accurately feeding and positioning in the height direction.

Background

Generally, a fixed method is adopted for centering in the height direction, namely, the height is calculated according to a theory, the screw rod directly descends to the theoretical height, so that on one hand, highly accurate feeding cannot be realized, the screw rod cannot adapt to centering of various parts, on the other hand, because the used torque is different during each calibration, calibration is inaccurate, further, the centering is inaccurate, and damage to the centering parts, particularly fragile parts, can be caused.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a device for accurately feeding and positioning in the height direction.

In order to achieve the purpose, the invention adopts the following technical scheme: a device for accurately feeding and positioning in the height direction comprises an installation platform, wherein an installation cavity communicated with the right side of the installation platform is formed in the top of the installation platform, a first threaded rod is rotatably connected to the inner wall of the bottom of the installation cavity through an installation bearing seat, the top end of the first threaded rod extends to the upper side of the installation platform, two symmetrical fixing rods positioned on two sides of the first threaded rod are fixedly connected to the top of the installation platform, a base is arranged right above the installation platform, a combination groove is formed in the bottom of the base, a threaded block positioned in the combination groove is in threaded connection with the outer surface of the first threaded rod, a supporting rod is fixedly connected to the top of the threaded block, the top end of the supporting rod is fixedly connected to the inner surface of the top of the combination groove, the left side and the right side of the threaded block are both sleeved on the inner surfaces of the fixing rods through, the front surface of the base is fixedly connected with a calibration pin positioned above the two positioning pins, the top of the base is fixedly connected with a guide rail, and the inner surface of the guide rail is connected with a sliding plate in a sliding manner;

the top threaded connection of slide has high-end annular knurl screw, the top of guide rail is provided with the gland, the top fixedly connected with body of slide, the slide is run through to the bottom of body, the inside of body has the second threaded rod through connecting nut threaded connection, the top fixedly connected with control knob of second threaded rod, the bottom fixedly connected with rolling disc of second threaded rod, the ring channel has been seted up to the surface of rolling disc, the internal surface sliding connection of ring channel has two stripper bars, two the same combination dish of bottom fixedly connected with of stripper bar, the bottom fixedly connected with digital display straight advancing type differential head that combines the dish, the bottom fixedly connected with nylon cover of digital display straight advancing type differential head.

Preferably, the left side and the right side of the combination disc are fixedly connected with guide rollers, and the outer surfaces of the guide rollers are fixedly connected with wear pads.

Preferably, the right side of mount table is connected with the control lever that is located the installation cavity inside through the location bearing frame rotation, the left end fixedly connected with of control lever is located the initiative conical gear on first threaded rod right side, the surface of first threaded rod passes through driven conical gear and initiative conical gear meshing, the right-hand member fixedly connected with operation knob of control lever.

Preferably, the top fixedly connected with of mount table is located two stable frames of base both sides and symmetry, stable groove has been seted up on the internal surface at the frame back, the equal fixedly connected with stabilizer bar in the left and right sides of base, the one end sliding connection that the base was kept away from to the stabilizer bar is on stable groove's internal surface, fixedly connected with rubber attaching plate on the surface of stabilizer bar, one side and the stable frame laminating of base are kept away from to rubber attaching plate.

Preferably, the equal fixedly connected with in the left and right sides of base is located the balance plate of stabilizer bar top, one side that the base was kept away from to the balance plate runs through the frame of stabilizing, the top and the bottom of balance plate are all through balancing pole sliding connection on the internal surface in stable groove, the top fixedly connected with of balance plate is located the mounting panel that the frame kept away from base one side, the mounting panel is close to two reset spring of one side fixedly connected with of base, two the same horizontal fixed block of one end fixedly connected with of mounting panel is kept away from to reset spring, one side that the base was kept away from to horizontal fixed block runs through mounting panel fixedly connected with application of force handle through the.

Preferably, the front and the back of the horizontal fixed block are both in a step shape, and the gradient of the steps on the front and the back of the horizontal fixed block is between thirty degrees and sixty degrees.

Preferably, the length of the first threaded rod and the second threaded rod is not less than fifteen centimeters, and the length of the thread on the outer surface of the first threaded rod and the outer surface of the second threaded rod is not less than ten centimeters.

Preferably, the front face of the force application handle is arc-shaped, and the radian of the front face of the force application handle is between one hundred fifty degrees and one hundred eighty degrees.

Compared with the prior art, the invention has the beneficial effects that: (1) the invention is installed on the installation platform through the base, and the axis of the central hole of the bottom surface of the base is coincided with the rotating shaft of the installation platform, the part needing to be centered is installed on the base, when the invention works, firstly, the digital display straight-in type differential head is moved to the right above the calibration pin, then the knob on the digital display straight-in type differential head is rotated, the nylon sleeve is contacted with the calibration pin, when the sound of overload slipping is heard, the digital display straight-in type differential head is set to zero, then the digital display straight-in type differential head is reversed to be lifted, then the sliding plate is moved forward, the tail part of the sliding plate is contacted with the guide rail, at the moment, the axis of the digital display straight-in type differential head is coincided with the base surface hole and the rotating axis of the installation platform, according to the theoretical calculation height of the center of the calibration pin and the center of the centering part, the digital display straight-in type differential head is accurately fed downwards to the theoretical, the two parts to be centered are then mounted on the horizontal surface of the base for verification, and the operation not only has calibration and calibration functions, thereby achieving the effect of realizing accurate feeding and centering in the height direction.

(2) According to the invention, the control knob is used for controlling the second threaded rod to rotate, the rotating disc is rotated and moves up and down by the rotation of the second threaded rod, and the upper and lower positions of the digital display straight differential head are effectively adjusted by the rotation of the first threaded rod, so that the height of the digital display straight differential head is adjusted at high precision by screw transmission, and the effect of improving the overall operation precision is achieved.

(3) According to the invention, the control rod is effectively rotated by the operation knob, the driving bevel gear pulls the first threaded rod to rotate by the rotation of the control rod, the threaded block moves up and down under the action of the fixing ring by the rotation of the first threaded rod, and the effect of adjusting the height position of the base is achieved by the up-and-down movement of the threaded block, so that the effect of improving the overall working quality and efficiency is achieved by effectively adjusting the height position of the base.

(4) The invention has the advantages that the balance plate plays a role in ensuring the balance and stability of the two sides of the base, the effect of effectively controlling the horizontal fixing blocks to be inserted into the inner surface of the stabilizing frame is achieved through the force application handle, and the effect of improving the stability of the base in the horizontal direction is achieved by inserting the horizontal fixing blocks at the two sides into the inner surface of the stabilizing frame.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic top view of a base according to the present invention.

Fig. 3 is a schematic view of the internal structure of the tube of the present invention.

Fig. 4 is an enlarged view of the invention at a in fig. 3.

Fig. 5 is a schematic view of the internal structure of the installation cavity of the present invention.

FIG. 6 is a schematic view of the inner structure of the right stabilizing frame according to the present invention.

Fig. 7 is a schematic top view of the horizontal fixing block of the present invention.

In the figure: 1. an installation table; 2. a mounting cavity; 3. a first threaded rod; 4. fixing the rod; 5. a base; 6. a coupling groove; 7. a thread block; 8. a support bar; 9. a fixing ring; 10. positioning pins; 11. calibrating the pin; 12. a guide rail; 13. a slide plate; 14. a high-end knurled screw; 15. a gland; 16. a pipe body; 17. a connecting nut; 18. a second threaded rod; 19. a control knob; 20. rotating the disc; 21. an annular groove; 22. an extrusion stem; 23. a bonding pad; 24. a digital display straight-in differential head; 25. a guide roller; 26. a control lever; 27. a driving bevel gear; 28. an operation knob; 29. a stabilizing frame; 30. a stabilizing slot; 31. a stabilizer bar; 32. a rubber attachment plate; 33. a balance plate; 34. a balancing pole; 35. mounting a plate; 36. a return spring; 37. a horizontal fixed block; 38. a force application handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a device for accurately feeding and positioning in the height direction, comprising an installation platform 1, wherein the top of the installation platform 1 is provided with an installation cavity 2 communicated with the right side of the installation platform 1, the inner wall of the bottom of the installation cavity 2 is rotatably connected with a first threaded rod 3 through an installation bearing seat, the top end of the first threaded rod 3 extends to the upper side of the installation platform 1, the top of the installation platform 1 is fixedly connected with two symmetrical fixing rods 4 positioned at the two sides of the first threaded rod 3, a base 5 is arranged right above the installation platform 1, the bottom of the base 5 is provided with a combination groove 6, the outer surface of the first threaded rod 3 is in threaded connection with a threaded block 7 positioned in the combination groove 6, the top of the threaded block 7 is fixedly connected with a support rod 8, the top end of the support rod 8 is fixedly connected to the inner surface at the top of the combination groove 6, the, the front surface of the base 5 is fixedly connected with two symmetrical positioning pins 10, the front surface of the base 5 is fixedly connected with a calibration pin 11 positioned above the two positioning pins 10, the top of the base 5 is fixedly connected with a guide rail 12, and the inner surface of the guide rail 12 is slidably connected with a sliding plate 13.

The top of the sliding plate 13 is in threaded connection with a high-head knurled screw 14, the top of the guide rail 12 is provided with a gland 15, the top of the sliding plate 13 is fixedly connected with a pipe body 16, the bottom of the pipe body 16 penetrates through the sliding plate 13, the inside of the pipe body 16 is in threaded connection with a second threaded rod 18 through a connecting nut 17, the lengths of the first threaded rod 3 and the second threaded rod 18 are not less than fifteen centimeters, the lengths of the threads on the outer surfaces of the first threaded rod 3 and the second threaded rod 18 are not less than ten centimeters, so that the proper thread transmission range is effectively ensured, the top end of the second threaded rod 18 is fixedly connected with a control knob 19, the bottom end of the second threaded rod 18 is fixedly connected with a rotating disc 20, the outer surface of the rotating disc 20 is provided with an annular groove 21, the inner surface of the annular groove 21 is slidably connected with two symmetrical extrusion rods 22, the bottom ends of the, the bottom fixedly connected with nylon cover of digital display straight advancing type differential head 24, the equal fixedly connected with guide roller 25 in the left and right sides of combination dish 23, the outer fixed surface of guide roller 25 is connected with the abrasive pad, sets up guide roller 25 and plays the effect that can not incline about when guaranteeing combination dish 23 descends.

The right side of the mounting table 1 is rotatably connected with a control rod 26 positioned in the mounting cavity 2 through a positioning bearing seat, the left end of the control rod 26 is fixedly connected with a driving bevel gear 27 positioned on the right side of the first threaded rod 3, the outer surface of the first threaded rod 3 is meshed with the driving bevel gear 27 through a driven bevel gear, the right end of the control rod 26 is fixedly connected with an operation knob 28, the operation knob 28 is arranged to play a role of flexibly pulling the control rod 26 to rotate, the rotation of the control rod 26 plays a role of effectively controlling the first threaded rod 3 to rotate through the driving bevel gear 27, the top of the mounting table 1 is fixedly connected with two symmetrical stabilizing frames 29 positioned on two sides of the base 5, stabilizing grooves 30 are formed in the inner surface of the back of the stabilizing frames 29, stabilizing rods 31 are fixedly connected to the left side and the right side of the base 5, one end of the stabilizing rod 31 far, the outer surface of stabilizer bar 31 is fixedly connected with rubber attaching plate 32, and one side that base 5 was kept away from to rubber attaching plate 32 is laminated with stabilizing frame 29, sets up stabilizing groove 30 and stabilizer bar 31 and plays more stable effect when guaranteeing base 5 up-and-down motion.

The left side and the right side of the base 5 are fixedly connected with a balance plate 33 positioned above the stabilizer bar 31, one side of the balance plate 33 far away from the base 5 penetrates through the stabilizing frame 29, the top and the bottom of the balance plate 33 are both connected on the inner surface of the stabilizing groove 30 in a sliding manner through a balance bar 34, the top of the balance plate 33 is fixedly connected with a mounting plate 35 positioned on one side of the stabilizing frame 29 far away from the base 5, one side of the mounting plate 35 close to the base 5 is fixedly connected with two return springs 36, one end of each of the two return springs 36 far away from the mounting plate 35 is fixedly connected with a same horizontal fixing block 37, the front surface and the back surface of the horizontal fixing block 37 are both in a step shape, the gradient of the front surface and the back surface of the horizontal fixing block 37 is between thirty degrees and sixty degrees, one side of the horizontal fixing block 37 far away from the base 5 is fixedly connected with a force application, the front surface of the force application handle 38 is arc-shaped, and the radian of the front surface of the force application handle 38 is between one hundred fifty degrees and one hundred eighty degrees, so that the function of facilitating the grabbing operation of hands is achieved.

When the device is used by a user, the device is arranged on the mounting table 1 through the base 5, the axis of a central hole on the bottom surface of the base 5 is overlapped with a rotating shaft of the mounting table 1, a part needing centering is arranged on the base 5, when the device works, the digital display straight advancing type differential head 24 is firstly moved to be right above the calibration pin 11, then a knob on the digital display straight advancing type differential head 24 is rotated to enable a nylon sleeve to be contacted with the calibration pin 11, when the overload slipping sound is heard, the digital display straight advancing type differential head 24 is set to be zero, then the digital display straight advancing type differential head 24 is reversed to be lifted, the sliding plate 13 is further moved forwards to enable the tail part of the sliding plate 13 to be contacted with the guide rail 12, at the moment, the axis of the digital display straight advancing type differential head 24 is overlapped with a base surface hole and a rotating shaft line of the mounting table 1, the height is calculated according to the theoretical of the center of the calibration pin 11 and the centering part, the digital display straight advancing type differential, the centers of the two centering parts coincide in the height direction, and then the two centering parts are arranged on the horizontal plane of the base 5 for verification.