阅读说明：本技术 一种多线切割机用高精度定位装置及方法 (High-precision positioning device and method for multi-wire cutting machine ) 是由 郑嵩 夏良军 杨德寰 于 2021-08-03 设计创作，主要内容包括：本发明公开了一种多线切割机用高精度定位装置及方法,包括：设置在多线切割机切割端下方的定位座；其侧壁对称设置有定位组件,且中心位置固定安装有主轴电机,所述主轴电机的输出端固定连接有丝杆,所述丝杆上螺纹连接有螺纹套；导向座,其侧壁设置有夹持组件,且底部与所述定位座之间设置有弹性支撑件,所述导向座的一侧固定连接有夹板。本发明石英加工件放置在定位模板上,通过启动横向调整气缸带动其输出端的推板进行移动,加工件开始被推到定位模板的中心位置,两侧横向调整气缸开始复位,然后再通过启动纵向调整气缸,其输出端的推板进行移动,直至推板将加工件完全夹紧,通过这种定位方式可以快速将零件摆放位置纠正。(The invention discloses a high-precision positioning device and a high-precision positioning method for a multi-wire cutting machine, wherein the high-precision positioning device comprises the following steps: the positioning seat is arranged below the cutting end of the multi-wire cutting machine; the side wall of the spindle is symmetrically provided with positioning assemblies, the center of the spindle is fixedly provided with a spindle motor, the output end of the spindle motor is fixedly connected with a lead screw, and a thread sleeve is connected to the lead screw in a threaded manner; the side wall of the guide seat is provided with a clamping assembly, an elastic supporting piece is arranged between the bottom of the guide seat and the positioning seat, and one side of the guide seat is fixedly connected with a clamping plate. According to the invention, a quartz workpiece is placed on the positioning template, the transverse adjusting cylinder is started to drive the push plate at the output end to move, the workpiece is pushed to the central position of the positioning template, the transverse adjusting cylinders at two sides start to reset, then the longitudinal adjusting cylinder is started, the push plate at the output end moves until the push plate completely clamps the workpiece, and the part placing position can be quickly corrected by the positioning mode.)

1. The utility model provides a multi-wire saw is with high accuracy positioner which characterized in that includes:

the positioning seat (2) is arranged below the cutting end of the multi-wire cutting machine (1), the side wall of the positioning seat is symmetrically provided with positioning assemblies, the center of the positioning seat is fixedly provided with a spindle motor (5), the output end of the spindle motor (5) is fixedly connected with a lead screw (6), and the lead screw (6) is in threaded connection with a threaded sleeve (7);

the side wall of the guide seat (3) is provided with a clamping assembly, an elastic supporting piece (8) is arranged between the bottom of the guide seat and the positioning seat (2), and one side of the guide seat (3) is fixedly connected with a clamping plate (11);

the positioning template (4) is fixedly matched with the clamping plate (11), the bottom of the positioning template is in clamping fit with the threaded sleeve (7), and a plurality of through holes (17) are formed in the positioning template (4);

and the steering mechanisms (12) are rotatably arranged on the upper side surface of the positioning seat (2), are the same in arrangement quantity as the through holes (17), and are in one-to-one correspondence with the through holes (17).

2. The high-precision positioning device for the multi-wire cutting machine according to claim 1, wherein the clamping assembly comprises a transverse adjusting cylinder (9), the transverse adjusting cylinder (9) is fixedly installed on the side wall of the positioning seat (2), the positioning assembly comprises a longitudinal adjusting cylinder (10), the longitudinal adjusting cylinder (10) is fixedly installed on the side wall of the guide seat (3), and the output ends of the transverse adjusting cylinder (9) and the longitudinal adjusting cylinder (10) are fixedly connected with a clamping plate (11).

3. The high-precision positioning device for the multi-wire cutting machine according to claim 1, wherein the elastic support (8) comprises a sliding sleeve (801), a spring (802), a guide rod (803) and a sliding block (804), the positioning seat (2) is provided with an ear seat for fixing the sliding sleeve (801), the sliding block (804) is slidably connected in the sliding sleeve (801), one end of the spring (802) is fixedly connected to the bottom wall of the sliding sleeve (801), the other end of the spring is fixedly connected to the bottom side of the sliding block (804), the guide rod (803) is slidably inserted in the sliding sleeve (801), the bottom end of the sliding sleeve (801) is fixedly connected with the sliding block (804), and the upper end of the sliding sleeve is fixedly connected with the bottom side of the guide seat (3).

4. The high-precision positioning device for the multi-wire cutting machine is characterized in that the steering mechanism (12) comprises an adjusting rotating shaft (1201), a connecting block (1202) and a guide wheel (1203), the bottom end of the adjusting rotating shaft (1201) is rotatably connected to the upper side face of the positioning seat (2), the connecting block (1202) is fixedly connected to the upper end of the adjusting rotating shaft (1201), a notch groove is formed in the connecting block (1202), and the guide wheel (1203) is rotatably connected in the notch groove.

5. The high-precision positioning device for the multi-wire cutting machine according to claim 1, wherein the positioning template (4) is fixedly connected with a limiting slide rod (18) in an oblique symmetry manner at the bottom side, and the positioning seat (2) is fixedly connected with a limiting sleeve (14) matched with the limiting slide rod (18) in an oblique symmetry manner at the upper side, and the limiting slide rod (18) is guided to slide in the limiting sleeve (14) and can completely slide out.

6. The high-precision positioning device for the multi-wire cutting machine according to claim 1, wherein a clamping block (16) is fixedly connected to the bottom of the positioning template (4), a hexagonal clamping groove is formed in the clamping block (16), a hexagonal clamping rod (15) is fixedly connected to the top end of the threaded sleeve (7), and the hexagonal clamping rod (15) is matched with the hexagonal clamping groove in the clamping block (16).

7. The high-precision positioning device for the multi-wire cutting machine according to claim 1, wherein a clamping groove is formed in the clamping plate (11), the groove width of the clamping groove is slightly larger than the thickness of the positioning template (4), and the positioning template (4) is fixed in the clamping groove through a fixing bolt.

8. A positioning method of a high-precision positioning device for a multi-wire cutting machine is characterized by comprising the following steps:

s1, pre-installing the templates, namely firstly placing the positioning templates (4) between the clamping plates (11) on the two sides and clamping the positioning templates through fixing bolts, and enabling guide wheels (1203) of each steering mechanism (12) to penetrate through the center of the through hole (17);

s2, pre-positioning a workpiece, placing the quartz workpiece on a positioning template (4), driving a push plate (13) at the output end of the quartz workpiece to move by starting a transverse adjusting cylinder (9), wherein the strokes of the transverse adjusting cylinders (9) at two sides need to be kept consistent, namely the stretching amount in unit time is completely the same, and when the push plate (13) starts to contact the workpiece, the workpiece starts to be pushed to the central position of the positioning template (4) under the guidance of a guide wheel (1203);

s3, clamping and positioning the workpiece, starting the reset of the transverse adjusting cylinders (9) at the two sides, then starting the longitudinal adjusting cylinder (10), moving the push plate (13) at the output end of the longitudinal adjusting cylinder, wherein the same as the previous step, the strokes of the longitudinal adjusting cylinders (10) at the two sides are kept consistent until the push plate (13) completely clamps the workpiece;

s4, wire cutting, starting the spindle motor (5), driving the screw rod (6) to rotate, enabling the threaded sleeve (7) to drive the positioning template (4) to ascend, starting the multi-wire cutting machine (1) to work, and enabling the positioning template (4) to drive the quartz workpiece to ascend and to contact with the cutting steel wire rope, so that the quartz workpiece is cut into multiple pieces.

Technical Field

The invention relates to the technical field of quartz crystal element processing, in particular to a high-precision positioning device and method for a multi-wire cutting machine.

Background

The quartz crystal resonator is used by being made into a component independently, the quartz crystal oscillator can be formed by using the quartz crystal together with the semiconductor device and the resistance-capacitance element, the quartz crystal resonator is used by being made into a component independently, and the quartz crystal oscillator can be formed by using the quartz crystal together with the semiconductor device and the resistance-capacitance element. Quartz crystal oscillators are typically mounted in a metal case having a plurality of pins at the bottom for connection to an external circuit. The quartz crystal oscillator can be widely applied to satellite-missile measurement and control, radars, navigation, communication, electronic countermeasure, meteorology, industrial automatic control, various military electronic devices and civil electronic products.

When the quartz crystal element is produced and processed, a quartz blank needs to be cut into a crystal slice with a certain thickness, and when a multi-linear cutting machine is used for cutting, because a workpiece is in contact with a metal cutting line and needs to be kept parallel and level, a worker adjusts the clamping position of the blank to enable the blank to be kept parallel and level with the metal wire, but the positioning mode is low in efficiency and easy to cause working errors.

Therefore, it is necessary to provide a high-precision positioning device and method for multi-wire saw to solve the above-mentioned problem

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-precision positioning device and method for a multi-wire cutting machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high-precision positioning device for a multi-wire cutting machine comprises: the positioning seat is arranged below the cutting end of the multi-wire cutting machine; the side wall of the spindle is symmetrically provided with positioning assemblies, the center of the spindle is fixedly provided with a spindle motor, the output end of the spindle motor is fixedly connected with a lead screw, and a thread sleeve is connected to the lead screw in a threaded manner; the side wall of the guide seat is provided with a clamping assembly, an elastic supporting piece is arranged between the bottom of the guide seat and the positioning seat, and one side of the guide seat is fixedly connected with a clamping plate; the positioning template is fixedly matched with the clamping plate, the bottom of the positioning template is in clamping fit with the threaded sleeve, and a plurality of through holes are formed in the positioning template; and the steering mechanisms are rotatably arranged on the upper side surface of the positioning seat, are the same as the through holes in number and correspond to the through holes one to one.

Preferably, the clamping assembly comprises a transverse adjusting cylinder, the transverse adjusting cylinder is fixedly mounted on the side wall of the positioning seat, the positioning assembly comprises a longitudinal adjusting cylinder, the longitudinal adjusting cylinder is fixedly mounted on the side wall of the guide seat, and the transverse adjusting cylinder and the output end of the longitudinal adjusting cylinder are fixedly connected with a clamping plate.

Preferably, the elastic support member comprises a sliding sleeve, a spring, a guide rod and a sliding block, the positioning seat is provided with an ear seat for fixing the sliding sleeve, the sliding block is connected in the sliding sleeve in a sliding manner, one end of the spring is fixedly connected to the bottom wall of the sliding sleeve, the other end of the spring is fixedly connected to the bottom side of the sliding block, the guide rod is inserted in the sliding sleeve in a sliding manner, the bottom end of the sliding sleeve is fixedly connected with the sliding block, and the upper end of the guide rod is fixedly connected with the bottom side of the guide seat.

Preferably, steering mechanism is including adjusting pivot, connecting block and leading wheel, it rotates the connection in the last side of positioning seat to adjust the pivot bottom, connecting block fixed connection is in the upper end of adjusting the pivot, be provided with the notch groove on the connecting block, the leading wheel rotates to be connected in the notch inslot.

Preferably, the bottom side of the positioning template is obliquely and symmetrically fixedly connected with limiting slide rods, the upper side of the positioning seat is obliquely and symmetrically fixedly connected with limiting sleeves matched with the limiting slide rods, and the limiting slide rods slide in the limiting sleeves in a guiding manner and can completely slide out.

Preferably, the bottom of the positioning template is fixedly connected with a clamping block, a hexagonal clamping groove is formed in the clamping block, a hexagonal clamping rod is fixedly connected to the top end of the threaded sleeve, and the hexagonal clamping rod is matched with the hexagonal clamping groove in the clamping block.

Preferably, a clamping groove is formed in the clamping plate, the groove width of the clamping groove is slightly larger than the thickness of the positioning template, and the positioning template is fixed in the clamping groove through a fixing bolt.

A positioning method of the high-precision positioning device for the multi-wire cutting machine comprises the following steps:

s1, pre-installing the templates, namely firstly placing the positioning templates between the clamping plates on the two sides and clamping the positioning templates through fixing bolts, and enabling guide wheels of each steering mechanism to penetrate through the centers of the through holes;

s2, pre-positioning a workpiece, placing the quartz workpiece on a positioning template, driving a push plate at the output end of the quartz workpiece to move by starting a transverse adjusting cylinder, wherein the strokes of the transverse adjusting cylinders at two sides need to be kept consistent, namely the stretching amounts in unit time are completely the same, and when the push plate starts to contact the workpiece, the workpiece starts to be pushed to the central position of the positioning template under the guidance of a guide wheel;

s3, clamping and positioning the workpiece, starting the reset of the transverse adjusting cylinders at the two sides, starting the longitudinal adjusting cylinder, moving the push plate at the output end of the longitudinal adjusting cylinder, wherein the stroke of the longitudinal adjusting cylinders at the two sides is consistent as the previous step until the push plate completely clamps the workpiece;

and S4, wire cutting, wherein the spindle motor is started to drive the screw rod to rotate, so that the threaded sleeve drives the positioning template to ascend, the multi-wire cutting machine is started to work, and the positioning template drives the quartz workpiece to ascend to be in contact with the cutting steel wire rope, so that the quartz workpiece is cut into a plurality of pieces.

Compared with the prior art, the invention has the beneficial effects that:

1. the quartz machined part is placed on the positioning template, the push plate of the output end of the quartz machined part is driven to move by starting the transverse adjusting cylinders, the strokes of the transverse adjusting cylinders on two sides need to be kept consistent, namely, the stretching amount in unit time is completely the same, when the push plate starts to contact the machined part, the machined part starts to be pushed to the central position of the positioning template under the guidance of the guide wheel, the transverse adjusting cylinders on two sides start to reset, then the longitudinal adjusting cylinders are started, the push plate of the output end of the quartz machined part moves, the strokes of the longitudinal adjusting cylinders on the same two sides are kept consistent until the push plate completely clamps the machined part, the placing position of the part can be quickly corrected by the positioning mode, and the part is rapidly clamped in a machining center, and the cutting accuracy is ensured.

2. The cutting depth of the workpiece is guaranteed through the positioning template, when cutting traces on the positioning template are too much, the clamping bolt of the push plate can be screwed out through the positioning template, and the new positioning template is convenient to replace.

Drawings

Fig. 1 is a schematic front structural view of a high-precision positioning device for a multi-wire cutting machine according to the present invention;

FIG. 2 is a schematic front view of the positioning seat and the guiding seat;

FIG. 3 is a schematic structural view of the positioning seat and the guide seat after the positioning form is removed;

FIG. 4 is a schematic view of the positioning template;

FIG. 5 is a schematic structural view of the steering mechanism;

fig. 6 is a schematic structural view of the elastic supporting member.

In the figure: the multi-wire cutting machine comprises a 1-multi-wire cutting machine body, a 2-positioning seat, a 3-guide seat, a 4-positioning template, a 5-spindle motor, a 6-screw rod, a 7-threaded sleeve, an 8-elastic supporting piece, an 801-sliding sleeve, an 802-spring, a 803-guide rod, an 804-sliding block, a 9-transverse adjusting cylinder, a 10-longitudinal adjusting cylinder, an 11-clamping plate, a 12-steering mechanism, a 1201-adjusting rotating shaft, a 1202-connecting block, a 1203-guide wheel, a 13-push plate, a 14-limiting sleeve, a 15-hexagonal clamping rod, a 16-clamping block, a 17-through hole and an 18-limiting sliding rod.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, a high-precision positioning device for a multi-wire saw includes: the positioning seat 2, the guide seat 3, the positioning template 4 and the steering mechanism 12 are arranged below the cutting end of the multi-wire cutting machine 1, wherein the wire cutting method of the multi-wire cutting machine 1 belongs to the prior art means, and the disclosure number is as follows: the chinese invention patent of CN104589522B is fully disclosed, and the working principle thereof is not described herein;

the side wall of the positioning seat 12 is symmetrically provided with positioning components, the central position is fixedly provided with a spindle motor 5, the output end of the spindle motor 5 is fixedly connected with a screw rod 6, the screw rod 6 is in threaded connection with a threaded sleeve 7, the side wall of the guide seat 3 is provided with a clamping component, an elastic supporting piece 8 is arranged between the bottom and the positioning seat 2, the elastic supporting piece 8 comprises a sliding sleeve 801, a spring 802, a guide rod 803 and a sliding block 804, an ear seat for fixing the sliding sleeve 801 is arranged on the positioning seat 2, the sliding block 804 is connected in the sliding sleeve 801 in a sliding manner, one end of the spring 802 is fixedly connected with the bottom wall of the sliding sleeve 801, the other end of the spring 802 is fixedly connected with the bottom side of the sliding block 804, the guide rod 803 is inserted in the sliding sleeve 801 in a sliding manner, and the bottom of sliding sleeve 801 is fixedly connected with slider 804, and the upper end is fixedly connected with the bottom side of guide holder 3, and elastic support 8 mainly plays the effect of direction support, is convenient for reciprocating and reseing of guide holder 3.

One side of the guide holder 3 is fixedly connected with a splint 11, specifically, the clamping assembly comprises a transverse adjusting cylinder 9, the transverse adjusting cylinder 9 is fixedly installed on the side wall of the positioning seat 2, the positioning assembly comprises a longitudinal adjusting cylinder 10, the longitudinal adjusting cylinder 10 is fixedly installed on the side wall of the guide holder 3, the output ends of the transverse adjusting cylinder 9 and the longitudinal adjusting cylinder 10 are both fixedly connected with the splint 11, the transverse adjusting cylinder 9 is started to drive a push plate 13 at the output end to move, under the guidance of the guide wheel 1203, a workpiece is pushed to the central position of the positioning template 4, the transverse adjusting cylinders 9 are reset after clamping the processed blank by the transverse adjusting cylinders 9 at two sides, the processed blank is clamped by the longitudinal adjusting cylinders 10 at two sides until the processed blank is completely clamped by the push plate 13;

the positioning template 4 is fixedly matched with the clamping plate 11, a clamping groove is formed in the clamping plate 11, the groove width of the clamping groove is slightly larger than the thickness of the positioning template 4, the positioning template 4 is fixed in the clamping groove through a fixing bolt, the positioning template 4 is convenient to disassemble and replace, the bottom of the positioning template 4 is in clamping fit with the threaded sleeve 7, a plurality of through holes 17 are formed in the positioning template 4, limiting slide bars 18 are fixedly connected to the bottom side of the positioning template 4 in an oblique symmetry manner, limiting sleeves 14 matched with the limiting slide bars 18 are fixedly connected to the upper side of the positioning seat 2 in an oblique symmetry manner, the limiting slide bars 18 slide in the limiting sleeves 14 in a guiding manner and can completely slide out, the guiding effect is mainly achieved on the up-and-down movement of the positioning template 4, meanwhile, the steering deviation of the positioning template 4 during processing is avoided, a clamping block 16 is fixedly connected to the bottom of the positioning template 4, a hexagonal clamping groove is formed in the clamping block 16, and a hexagonal clamping bar 15 is fixedly connected to the top end of the threaded sleeve 7, the hexagonal clamping rod 15 is matched with the hexagonal clamping groove in the clamping block 16, and the threaded sleeve 7 is prevented from rotating by itself after the hexagonal clamping rod 15 and the clamping block 16 are clamped with each other.

Steering mechanism 12 rotates and sets up side on positioning seat 2, and set up quantity the same with seting up of through-hole 17, and with through-hole 17 one-to-one, steering mechanism 12 is including adjusting pivot 1201, connecting block 1202 and leading wheel 1203, it connects the side of going up at positioning seat 2 to adjust pivot 1201 bottom rotation, connecting block 1202 fixed connection is in the upper end of adjusting pivot 1201, be provided with the notch groove on the connecting block 1202, leading wheel 1203 rotates to be connected in the notch inslot, it can rotate the regulation to adjust pivot 1201, thereby the orientation of control leading wheel 1203, thereby adapt to the moving direction of machined part, resistance when reducing the machined part and removing.

The positioning method of the high-precision positioning device for the multi-wire cutting machine comprises the following steps:

s1, pre-installing the templates, namely firstly placing the positioning templates 4 between the two side clamping plates 11 and clamping the positioning templates through fixing bolts, and enabling the guide wheels 1203 of each steering mechanism 12 to penetrate through the centers of the through holes 17;

s2, pre-positioning a workpiece, placing the quartz workpiece on the positioning template 4, driving the push plate 13 at the output end of the quartz workpiece to move by starting the transverse adjusting cylinders 9, wherein the strokes of the transverse adjusting cylinders 9 at two sides need to be kept consistent, namely the stretching amounts in unit time are completely the same, and when the push plate 13 starts to contact the workpiece, the workpiece starts to be pushed to the central position of the positioning template 4 under the guidance of the guide wheel 1203;

s3, clamping and positioning the workpiece, starting the reset of the transverse adjusting cylinders 9 on the two sides, starting the longitudinal adjusting cylinder 10, moving the push plate 13 on the output end of the longitudinal adjusting cylinder, wherein the stroke of the longitudinal adjusting cylinders 10 on the two sides is consistent as the previous step until the push plate 13 completely clamps the workpiece;

and S4, wire cutting, wherein the spindle motor 5 is started to drive the screw rod 6 to rotate, so that the threaded sleeve 7 drives the positioning template 4 to ascend, the multi-wire cutting machine 1 is started to work, and the positioning template 4 drives the quartz workpiece to ascend and is in contact with a cutting steel wire rope so as to be cut into a plurality of pieces.

It should be noted that, the positioning template 4 is provided to ensure the cutting depth of the workpiece, and when the cutting trace on the positioning template 4 is too much, the clamping bolt of the push plate 13 can be screwed out, so that the new positioning template 4 can be replaced conveniently.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.