WO2023165200A1

WO2023165200A1 - Edge grinding head and edge grinding machine

Info

Publication number: WO2023165200A1
Application number: PCT/CN2022/136290
Authority: WO
Inventors: 隋旭东; 吴达宏; 詹新平
Original assignee: 科达制造股份有限公司
Priority date: 2022-03-02
Filing date: 2022-12-02
Publication date: 2023-09-07
Also published as: CN217167864U

Abstract

An edge grinding head, comprising a support base (200), an edge grinding wheel (600), a feeding device (300), a main shaft working system (400), and a positioning device (500). The feeding device (300) drives the main shaft working system (400) to move relative to the support base (200); the main shaft working system (400) drives the edge grinding wheel (600) to rotate; the positioning device (500) comprises a positioning assembly (510) and a controller; the positioning assembly (510) is used for sensing the position of the main shaft working system (400) so as to determine a tool setting origin of the edge grinding wheel (600); the controller records the tool setting position of the edge grinding wheel (600) relative to the tool setting origin after tool setting; and the controller controls the feeding device (300) to enable the main shaft working system (400) to drive the edge grinding wheel (600) to move to the tool setting position. The edge grinding head can automatically perform tool setting, such that the tool setting workload of the edge grinding wheel is reduced, and the dimensional consistency of the product is improved. Further provided is an edge grinding machine.

Description

Edge grinding head and edge grinding machine

technical field

The invention relates to processing machinery technology, in particular to an edge grinding head and an edge grinding machine.

Background technique

The edging head used in ceramic, stone, glass and other processing industries is mainly used for grinding and shaping the four sides of tiles, stone and glass, so that the processed tiles, stone and glass meet the size requirements.

The edging machine includes a plurality of edging heads, among which two edging heads form a group, and the two edging heads are set opposite to each other, so as to grind the two opposite sides of the product at the same time, and multiple groups of edging heads are set at intervals in sequence . As the edging wheel wears out during the grinding process, the edging wheel needs to be replaced. After replacing the edging wheel, it is necessary to re-set the knife to ensure that the size of the product is consistent after grinding. In the prior art, through manual tool setting, the operator determines the movement amount of the spindle working system in the edging head based on experience, so as to adjust the position of the edging wheel.

However, due to the large number of edging heads in the edging machine, the workload of manual tool setting is large, and errors are prone to occur in the position of the tool setting for each edging wheel, making it difficult to control product size and quality.

Contents of the invention

The invention provides an edging head and an edging machine, which reduce the workload of the edging wheel for tool setting, improve the accuracy of the edging wheel for tool setting, and improve the consistency of product sizes.

In the first aspect, the present invention provides an edging head, including a support base, an edging wheel, a feeding device, a main shaft working system and a positioning device, the feeding device is connected with the supporting base, the feeding device is connected with the main shaft working system, and the feeding device is connected with the main shaft working system. The device drives the spindle working system to move relative to the support seat, the spindle working system is connected to the edging wheel, and drives the edging wheel to rotate;

The positioning device includes a positioning component and a controller. Both the positioning component and the feeding device are electrically connected to the controller. Part of the positioning component is connected to the spindle working system. The positioning component is used to sense the position of the spindle working system to determine the tool setting of the edging wheel. Origin, after the controller records the edge grinding wheel for tool setting, the tool setting position of the edge grinding wheel relative to the tool setting origin, the controller controls the feeding device so that the spindle working system drives the edge grinding wheel to move to the tool setting position.

In a possible implementation manner, in the edging head provided by the present invention, the positioning assembly includes a sensor and an inductive element, one of the sensor and the inductive element is connected to the spindle working system, and the other is connected to the support seat, and the sensor and the inductive element The sensing parts are relatively arranged, the sensor is used for sensing the sensing part, and the sensor is electrically connected to the controller;

When the sensor senses the sensor, the position of the edging wheel is the origin of the tool setting of the edging wheel.

In a possible implementation manner, in the edging head provided by the present invention, the sensor is a proximity switch.

In a possible implementation manner, in the edging head provided by the present invention, the feeding device includes a first driving member and a transmission assembly, the first driving member is electrically connected to the controller, and the first driving member is partially located outside the support seat. The transmission assembly is located in the support seat, and the first driving member is connected with the main shaft working system through the transmission assembly, so as to drive the main shaft work system to slide relative to the support seat through the transmission assembly.

In a possible implementation manner, in the edging head provided by the present invention, the transmission assembly includes a first transmission member and a second transmission member, the output shaft of the first drive member is connected to the first transmission member, and the second transmission member is connected to the first transmission member. Spindle working system connection;

The second transmission member is engaged with the first transmission member, and the axis of the second transmission member is perpendicular to the axis of the first transmission member. The first drive member drives the second transmission member to rotate through the first transmission member.

In a possible implementation manner, in the edging head provided by the present invention, the first driving member is a servo reducer.

In a possible implementation, in the edging head provided by the present invention, the main shaft working system includes a sliding sleeve and a main shaft assembly, the sliding sleeve is inserted in the second transmission member, the outer wall of the sliding sleeve has external threads, and the second transmission The inner wall of the component has an internal thread matching the external thread, the main shaft assembly is connected with the sliding sleeve, and the second transmission member rotates to drive the sliding sleeve and the main shaft assembly to slide relative to the support seat.

In a possible implementation manner, in the edging head provided by the present invention, the spindle working system further includes a guide, the guide is slidably connected to the sliding sleeve, one end of the guide is in contact with the sliding sleeve, and the other end of the guide is in contact with the support seat abutment.

In a possible implementation manner, the edging head provided by the present invention further includes a locking device, the locking device includes a second driving member and a locking block, the second driving member is connected to the support seat, and the locking block is connected to the first locking block. The output shafts of the two driving parts are connected, and the second driving part drives the locking block to move, so that the locking block locks or releases the sliding sleeve.

In a second aspect, the present invention provides an edging machine, comprising a plurality of edging heads provided in the first aspect above, and each edging head is arranged at intervals in sequence.

In the edging head and the edging machine provided by the present invention, the edging head is provided with a positioning device, the positioning device includes a positioning assembly and a controller, both the positioning assembly and the feeding device are electrically connected to the controller, and the positioning assembly is connected to the spindle working system. The positioning component is used to sense the position of the spindle working system to determine the origin of the tool setting of the edging wheel. After the controller records the tool setting of the edging wheel, the position of the edging wheel relative to the tool setting origin is replaced by a new edging wheel After the wheel, the controller will control the work of the feeding device, so that the feeding device drives the spindle working system to move, so as to move the new edging wheel to the tool setting position for the first tool setting, so as to ensure the alignment of each edging wheel The position of the knife is consistent, which improves the accuracy of the knife setting of the edging wheel and the consistency of the product size. The automatic tool setting of the new edging wheel can be realized, which reduces the working intensity of the operator.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of edging head in the prior art;

Fig. 2 is the front view of the edging head provided by the embodiment of the present invention;

Fig. 3 is a partial enlarged view of place A in Fig. 2;

Fig. 4 is a partial enlarged view of place B in Fig. 2;

Fig. 5 is the right side view of the edging head provided by the embodiment of the present invention;

Fig. 6 is a schematic diagram of the position of the edging wheel and the product in the edging head provided by the embodiment of the present invention.

Explanation of reference signs:

110-feed reducer; 120-encoder assembly; 130-lock cylinder; 140-existing spindle working system; 150-feed transmission system;

200-support seat;

300 - feeding device;

310-the first driving part; 320-the transmission assembly; 321-the first transmission part; 322-the second transmission part;

400-spindle working system;

410-sliding sleeve; 420-spindle assembly; 421-spindle motor; 422-spindle; 430-guide;

500 - positioning device;

510-positioning component; 511-sensor; 512-inductor;

600-Edging wheel;

700 - locking device;

710-second driver; 720-locking block;

800 - Product.

Detailed ways

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or an intermediate connection The media is indirectly connected, which can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, Constructed and operative in a particular orientation and therefore are not to be construed as limitations of the invention.

The terms "first", "second", and "third" (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or priority. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of practice in sequences other than those illustrated or described herein.

Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or maintenance tool comprising a series of steps or units need not be limited to the expressly listed Instead, other steps or elements not explicitly listed or inherent to the process, method, product or maintenance tool may be included.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Fig. 1 is a schematic structural view of the edging head in the prior art. Referring to Fig. 1, the edging head in the prior art includes a feed reducer 110, an encoder assembly 120, a locking cylinder 130, and an existing spindle working system 140, feed drive system 150 and edging wheel (not shown in the figure). Wherein, the edging wheel is arranged at the end of the existing main shaft working system 140. When the edging wheel needs tool setting, the locking cylinder 130 releases the existing main shaft working system 140, and the feed reducer 110 is driven by the feed transmission system 150. Existing main shaft work system 140 moves, thereby realizes the adjustment of the position of edging wheel, after edging wheel tool setting is finished, locking cylinder 130 locks existing main shaft work system 140, and edging wheel rotates and grinds product. Wherein, the encoder assembly 120 detects the rotation angle of the feed reducer 110, so that the feed transmission system 150 drives the feed of the existing spindle working system 140 and the edging wheel to supplement the wear of the edging wheel. When the edging wheel is completely worn out during the grinding process and the edging wheel needs to be replaced, the operator determines the movement amount of the existing spindle working system 140 based on experience, thereby determining the tool setting position of the edging wheel. However, due to the large number of edging heads in the edging machine, the workload of manual tool setting is large, and the position of the tool setting of each edging wheel is prone to errors, making product size and quality control difficult.

In order to solve the above technical problems, the application provides an edging head and an edging machine. The edging head is provided with a positioning device. The positioning device includes a positioning assembly and a controller. The positioning assembly and the feeding device are all electrically connected to the controller. The component is connected with the spindle working system, and the positioning component is used to sense the position of the spindle working system to determine the tool setting origin of the edging wheel. The controller records the tool setting position of the edging wheel relative to the tool setting origin after the edging wheel is set. , after replacing the new edging wheel, the controller will control the work of the feeding device, so that the feeding device drives the spindle working system to move, so as to move the new edging wheel to the tool setting position for the first tool setting, so as to ensure The tool setting position of each edging wheel is consistent, which improves the tool setting accuracy of the edging wheel and the consistency of product size. The automatic tool setting of the new edging wheel can be realized, which reduces the working intensity of the operator.

The present invention will be described below in conjunction with the accompanying drawings and specific embodiments.

Fig. 2 is the front view of the edging head provided by the embodiment of the present invention, Fig. 3 is a partial enlarged view of A in Fig. 2, Fig. 4 is a partial enlarged view of B in Fig. 2, and Fig. 5 is provided by the embodiment of the present invention The right side view of the edging head, Fig. 6 is a schematic diagram of the position of the edging wheel and the product in the edging head provided by the embodiment of the present invention.

Referring to Figures 2 to 6, the edging head provided by the present invention includes a support base 200, an edging wheel 600, a feeding device 300, a spindle working system 400 and a positioning device 500, the feeding device 300 is connected to the support base 200, The feeding device 300 is connected with the main shaft working system 400, and the feeding device 300 drives the main shaft working system 400 to move relative to the support base 200, and the main shaft working system 400 is connected with the edging wheel 600, and drives the edging wheel 600 to rotate.

The positioning device 500 includes a positioning assembly 510 and a controller (not shown in the figure), the positioning assembly 510 and the feeding device 300 are electrically connected to the controller, the positioning assembly 510 is connected to the spindle working system 400, and the positioning assembly 510 is used for sensing the spindle The position of the working system 400 is to determine the origin of the tool setting of the edging wheel 600. The controller records the tool setting position of the edging wheel 600 relative to the tool setting origin after the edging wheel 600 is set. The controller controls the feed device 300, The spindle working system 400 drives the edging wheel 600 to move to the tool setting position.

Wherein, the supporting seat 200 has an inner cavity, and the feeding device 300 and the spindle working system 400 are partly located in the inner cavity of the supporting seat 200. The supporting seat 200 is used to support the feeding device 300, the spindle working system 400 and the positioning device 500. At the same time, The bottom of the support base 200 is provided with a plurality of connection holes, the connection holes are used to connect with the edging head mounting seat in the edging machine, and the screws pass through the connection holes to connect with the edging head mounting seat to fix the edging head on the edging head on the mount.

In specific implementation, as shown in Figures 2 to 4, the edging wheel 600 is installed on the end of the positive direction of the X-axis of the main shaft working system 400, the edging wheel 600 is coaxially arranged with the main shaft working system 400, and the main shaft working system 400 drives The edging wheel 600 rotates around the X axis at a high speed, thereby realizing the grinding of the product 800 .

Grinding the product 800 will cause the edging wheel 600 to wear and tear, and the thickness of the edging wheel 600 along the X-axis direction will decrease. When the value is certain, the edging wheel 600 needs to be replaced. When replacing the edging wheel 600, the main shaft working system 400 first drives the old edging wheel 600 to move along the negative direction of the X axis, removes the worn edging wheel 600 and installs a new edging wheel 600, and the main shaft working system 400 drives the new edging wheel The 600 moves along the positive direction of the X axis, so as to implement tool setting on the new edging wheel 600 . Wherein, the tool setting position of the new edging wheel 600 needs to be consistent with the tool setting position of the replaced old edging wheel 600 . Therefore, it is necessary to record the first tool setting position of the edging wheel 600 (that is, the coordinate value of the edging wheel 600 on the X axis).

In actual implementation, during the tool setting process of the edging wheel 600 for the first tool setting (the axis working system 400 drives the old edging wheel 600 to move along the positive direction of the X axis), it is necessary to determine the tool setting origin of the edging wheel 600 ( That is, the position of the origin of the coordinates), and then the controller calculates the distance that the edging wheel 600 moves from the origin of the coordinates to the tool setting position, so as to determine the position of the edging wheel 600 when the edging wheel 600 is at the tool setting position. The coordinate value on the x-axis.

It should be noted that the tool setting origin of the edging wheel 600 is determined by the positioning assembly 510, and when the spindle working system 400 drives the edging wheel 600 to move in the positive direction along the X-axis or in the negative direction along the X-axis, the movement process of the spindle working system 400 The positioning component 510 will be activated during the process. After the positioning component 510 is activated, the positioning component 510 will send a signal to the control system, and the controller will set the position of the edging wheel 600 as the origin of tool setting.

When in use, the first tool setting of the edging wheel 600 adopts laser tool setting or manual tool setting. During the tool setting process, the positioning component 510 determines the tool setting origin of the edging wheel 600. After the tool setting is completed, the controller Record the tool setting position of the edging wheel 600 relative to the tool setting origin after the tool setting by the edging wheel 600 . When the edging wheel 600 is completely worn out, a new edging wheel 600 needs to be replaced. After the edging wheel 600 is replaced, the controller will control the feed device 300 to work, so that the feed device 300 drives the main shaft working system 400 to move, thereby the new grinder The edge wheel 600 moves to the tool setting position for the first tool setting, thereby ensuring that the tool setting positions of the edging wheel 600 before and after replacement are consistent, so that the size consistency of the product 800 after grinding is good, and the quality of the product 800 is improved.

It should be noted that the controller can be a separate controller in the edging head, or the controller can be the general controller in the edging machine. In this embodiment, the setting position and setting method of the controller are not specifically limited.

Exemplarily, the coordinate position of the end surface of the edging wheel 600 close to the support seat 200 may be recorded as the position of the edging wheel 600 .

For the edging head provided by the present application, the edging head is provided with a positioning device 500. The positioning device 500 includes a positioning assembly 510 and a controller. Both the positioning assembly 510 and the feeding device 300 are electrically connected to the controller. The positioning assembly 510 is used to determine the The origin of the tool setting of the edge wheel 600, the controller records the tool setting position of the edge grinding wheel 600 relative to the tool setting origin after the edge grinding wheel 600 is set, and after replacing the new edge grinding wheel 600, the controller will control the feeding device 300 work, so that the feeding device 300 drives the spindle working system 400 to move, thereby moving the new edging wheel 600 to the tool setting position for the first tool setting, so as to ensure that the tool setting positions of each edging wheel 600 are consistent and improve It improves the accuracy of the tool setting of the edging wheel 600 and improves the consistency of the product 800 size. The automatic tool setting of the new edging wheel 600 can be realized, which reduces the working intensity of the operator.

In a possible implementation manner, the positioning assembly 510 includes a sensor 511 and an inductive element 512, one of the sensor 511 and the inductive element 512 is connected to the spindle working system 400, and the other is connected to the support base 200, the sensor 511 and the inductive element The element 512 is arranged opposite to each other, the sensor 511 is used to sense the sensing element 512, and the sensor 511 is electrically connected to the controller.

Wherein, when the sensor senses the sensing element, the position of the edging wheel 600 at this moment is the origin of tool setting of the edging wheel 600 .

Specifically, as shown in FIG. 2 , the sensing element 512 is connected to the spindle working system 400 , and the sensor 511 is connected to the support base 200 . When the edging wheel 600 sets the tool for the first time, the spindle working system 400 drives the sensing part 512 to move towards the sensor 511. When the sensor 511 senses the sensing part 512, the sensor 511 sends a signal to the controller. At this time, the controller will grind the edge The position of the wheel 600 is set as the coordinate origin, and the operator continues to drive the spindle working system 400 to move along the positive direction of the X axis through the feeding device 300, so that the edging wheel 600 reaches the tool setting position. During this process, the controller obtains the movement amount of the edging wheel 600 relative to the origin of coordinates through the rotation angle of the feeding device 300 , so as to record the tool setting position of the edging wheel 600 after tool setting in the form of coordinate values. After replacing the new edging wheel 600, the controller will control the feed device 300 to work, so that the feed device 300 drives the spindle working system 400 to move, thereby moving the new edging wheel 600 to the coordinates of the old edging wheel 600 Location.

It can be understood that the sensor 511 needs to be electrically connected to the controller, and the sensor 511 is connected to the support base 200, so that the position of the sensor 511 does not need to be changed, and the length of the electrical connection line between the sensor 511 and the controller does not need to be changed, which can effectively avoid electrical connection. Interference and friction between the wire and other components improves the reliability of the positioning assembly 510 .

In some embodiments, sensor 511 is a proximity switch.

Specifically, as shown in FIGS. 2 and 5 , the sensing element 512 can be a plate, and an exemplary sensing element 512 can be an L-shaped plate, and the sensing element 512 and the sensor 511 have a distance in the Z-axis direction in FIG. 3 In this way, when the sensing element 512 moves along the X-axis direction following the spindle working system 400 , the sensing element 512 will not interfere with the sensor 511 . Wherein, the distance between the sensing element 512 and the sensor 511 in the Z-axis direction and the distance in the Y-axis direction are set according to the sensing accuracy of the sensor 511 .

It should be noted that the proximity switch refers to a switch that can send out an "action" signal when the object is close to the set distance, and it does not need to be in direct contact with the object. There are many types of proximity switches, mainly electromagnetic, photoelectric, differential transformer, eddy current, capacitive, reed switch, Hall, etc. This embodiment does not limit the specific type of the proximity switch here.

In a possible implementation, please continue to refer to FIGS. Part is located outside the support base 200 , and the transmission assembly 320 is located inside the support base 200 . The first drive member 310 is connected to the spindle working system 400 through the transmission assembly 320 to drive the spindle working system 400 to slide relative to the support base 200 through the transmission assembly 320 .

In a specific implementation, the first driving member 310 is a servo reducer. The connecting flange of the servo reducer is connected to the support base 200, the output shaft of the servo reducer is connected to the transmission assembly 320 in the support base 200, the rotation of the servo reducer drives the transmission assembly 320 to rotate, and the rotation of the transmission assembly 320 drives the spindle working system 400 to be opposite The support base 200 slides.

It can be understood that the servo reducer has high precision and good stability.

Exemplarily, the servo reducer may be a high-precision planetary gear reducer.

Wherein, the first driving member 310 is electrically connected to the controller, so that the controller can record the rotation angle and direction of the first driving member 310, and the coordinate position of the edging wheel 600 relative to the coordinate origin can be obtained through calculation.

In this embodiment, the transmission assembly 320 includes a first transmission member 321 and a second transmission member 322 , the output shaft of the first drive member 310 is connected to the first transmission member 321 , and the second transmission member 322 is connected to the spindle working system 400 .

Wherein, the second transmission member 322 is engaged with the first transmission member 321 , and the axis of the second transmission member 322 is perpendicular to the axis of the first transmission member 321 , and the first driving member 310 drives the second transmission member 322 to rotate through the first transmission member 321 .

Exemplarily, the first transmission member 321 may be a transmission member formed by a worm rod, a gear shaft or a gear and a transmission shaft. Correspondingly, the second transmission member 322 may be a worm gear or a gear.

In a specific implementation, the first transmission member 321 is a gear shaft with a helical gear, and the second transmission member 322 is a helical gear.

It can be understood that the servo reducer drives the gear shaft to rotate, and the gear shaft drives the helical gear to rotate. In this way, the transmission precision of the feeding device 300 is high and the transmission stability is good. The axis of the second transmission member 322 is perpendicular to the axis of the first transmission member 321, so that the overall structure of the transmission assembly 320 can be made compact, thereby reducing the overall size of the edging head.

In some embodiments, the spindle working system 400 includes a sliding sleeve 410 and a spindle assembly 420, the sliding sleeve 410 is inserted into the second transmission member 322, the outer wall of the sliding sleeve 410 has an external thread, and the inner wall of the second transmission member 322 has a The external thread matches the internal thread, the main shaft assembly 420 is connected with the sliding sleeve 410 , and the second transmission member 322 rotates to drive the sliding sleeve 410 and the main shaft assembly 420 to slide relative to the support base 200 .

Please continue to refer to Figures 2 to 5, the second transmission member 322 has a hollow cavity, the sliding sleeve 410 is inserted into the cavity of the second transmission member 322, the main shaft assembly 420 is fixedly connected to the sliding sleeve 410, and the second transmission member 322 rotates through screw transmission, thereby driving the sliding sleeve 410 and the main shaft assembly 420 to slide relative to the support seat 200 .

Specifically, the main shaft assembly 420 includes a main shaft motor 421 and a main shaft 422, the drive shaft of the main shaft motor 421 is connected to one end of the main shaft 422, and the other end of the main shaft 422 is provided with a connecting flange for connecting with the edging wheel 600, The spindle motor 421 drives the edging wheel 600 to rotate through the spindle 422 to grind the product 800 .

Exemplarily, the drive shaft of the main shaft motor 421 and the main shaft 422 may be connected through a coupling.

Wherein, the spindle motor 421 is connected to the end surface of the sliding sleeve 410 . The main shaft 422 is inserted in the sliding sleeve 410, and the main shaft 422 is connected with the sliding sleeve 410 through a bearing. The induction element 512 is connected with the spindle motor 421 .

2 and 3, in order to improve the straightness of the sliding sleeve 410, the spindle working system 400 also includes a guide 430, the guide 430 is slidably connected to the sliding sleeve 410, and one end of the guide 430 is in contact with the sliding sleeve 410 , the other end of the guide member 430 abuts against the support base 200 .

When in use, the guide piece 430 is relatively stationary with the support base 200 , the sliding sleeve 410 slides relative to the guide piece 430 , and the guide piece 430 can play a guiding role, thereby improving the straightness of sliding of the sliding sleeve 410 .

In a possible implementation, as shown in FIG. 2 and FIG. 4 , the edging head further includes a locking device 700, and the locking device 700 includes a second driving member 710 and a locking block 720, and the second driving member 710 and The support base 200 is connected, and the locking block 720 is connected with the output shaft of the second driving member 710, and the second driving member 710 drives the locking block 720 to move along the Y-axis direction, so that the locking block 720 locks or releases the sliding sleeve 410 .

Specifically, the second driving member 710 may be an air cylinder, an electric cylinder or an electric push rod.

The output shaft of the second driving member 710 protrudes to push the locking block 720 to move towards the sliding sleeve 410 , so that the locking block 720 abuts against the sliding sleeve 410 and fixes the sliding sleeve 410 at the current position. The output shaft of the second driving member 710 retracts, driving the locking block 720 to move away from the sliding sleeve 410 , thereby releasing the sliding sleeve 410 .

The working process of the edging head is described below:

1. The edging wheel 600 sets the tool for the first time, and records the coordinate value C of the edging wheel 600 tool setting position relative to the coordinate origin

Exemplarily, as shown in FIG. 6 , the tool setting position of the edging wheel 600 is that a part of the end surface of the edging wheel 600 abuts against the side of the product 800 . Wherein, the straight arrow in FIG. 6 indicates the moving direction of the product 800 .

2. The edging wheel 600 starts to work, and the product 800 is ground.

3. Compensation for wear amount of edging wheel 600

It should be noted that when the coordinate value of the edging wheel 600 reaches C+D, it means that the edging wheel 600 is completely worn out, and the edging wheel 600 needs to be replaced. Wherein, D is the abrasive thickness value of the end face of the edging wheel 600 .

4. Replace the edging wheel 600

5. Edge grinding wheel 600 automatic tool setting

The first driving member 310 drives the sliding sleeve 410 to slide along the positive direction of the X-axis through the transmission assembly 320, and the sliding sleeve 410 drives the spindle assembly 420 to move along the positive direction of the X-axis. In this way, the sensing member 512 will move toward the sensor 511. When the sensor 512, the sensor 511 sends a signal to the controller, and the controller sets the position of the edging wheel 600 as the tool setting origin of the edging wheel (at this time, the tool setting position of the edging wheel 600 replaces the previous edging wheel 600 The tool setting position becomes the coordinate origin).

The edging wheel 600 continues to move along the positive direction of the X-axis until the edging wheel 600 reaches the coordinate value C, thereby completing automatic tool setting.

It can be understood that, each time the edging wheel 600 is replaced, the edging wheel 600 is retreated to -E, and then the coordinate origin is re-calibrated to eliminate the system return error and improve the accuracy of the automatic tool setting of the edging wheel 600. Wherein, the E value is greater than the system cumulative error value, for example, the system cumulative error value is 0.4mm-0.8mm, and the E value may be 1.

The embodiment of the present invention also provides an edging machine. The edging machine includes a plurality of edging heads provided in the above embodiments, and each edging head is arranged at intervals in sequence.

Wherein, the structure and principle of the edging head are described in detail in the above-mentioned embodiments, and this embodiment will not repeat them one by one here.

The edging machine provided in this embodiment is provided with a plurality of edging heads, the edging head includes a positioning assembly 510 and a controller, the positioning assembly 510 and the feeding device 300 are all electrically connected to the controller, and the controller records the edging wheel The tool setting position after one tool setting, after replacing the new edging wheel 600, the controller will control the feed device 300 to work, so that the feed device 300 drives the main shaft working system 400 to move, so that the new edging wheel 600 Move to the tool setting position for the first tool setting, so as to ensure that the tool setting position of each edging wheel 600 is consistent, improve the accuracy of edging wheel 600 tool setting, improve the processing performance of the product 800 of the edging machine, and reduce the The workload of the operator.

In some embodiments, the edging machine also includes a dimension measuring instrument, the dimension measuring instrument is connected with the controller of the edging head, and the dimension measuring instrument measures the product 800 processed by the edging head, and feeds back the measured data to The controller, the controller judges the amount of wear of the edging wheel 600 of the edging head according to the size data, thereby controlling the feeding device 300 to drive the spindle working system 400 to feed and compensate the amount of wear of the edging wheel 600 . In this way, the processing and grinding process does not need manual monitoring, reducing the workload of operators.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims

An edging head is characterized in that it includes a support seat, an edging wheel, a feeding device, a spindle working system and a positioning device,

The feeding device is connected to the support seat, the feeding device is connected to the spindle working system, the feeding device drives the spindle working system to move relative to the support seat, and the spindle working system is connected to the spindle working system. The edging wheel is connected, and the edging wheel is driven to rotate;

The positioning device includes a positioning assembly and a controller, the positioning assembly and the feeding device are both electrically connected to the controller, part of the positioning assembly is connected to the spindle working system, and the positioning assembly is used for sensing The position of the spindle working system is used to determine the tool setting origin of the edging wheel, and the controller records the tool setting position of the edging wheel relative to the tool setting origin after the edging wheel is set , the controller controls the feeding device so that the spindle working system drives the edging wheel to move to the tool setting position.
The edging head according to claim 1, wherein the positioning assembly includes a sensor and an inductive element, one of the sensor and the inductive element is connected to the spindle working system, and the other is connected to the The support seat is connected, the sensor and the induction part are arranged oppositely, the sensor is used to sense the induction part, and the sensor is electrically connected to the controller;

When the sensor detects the sensing element, the position of the edging wheel is the origin of tool setting of the edging wheel.
The edge grinding head according to claim 2, wherein the sensor is a proximity switch.
The edging head according to claim 1, wherein the feeding device comprises a first driving member and a transmission assembly, the first driving member is electrically connected to the controller, and the first driving member is partially Located outside the support seat, the transmission assembly is located in the support seat, the first drive member is connected to the main shaft working system through the transmission assembly, so as to drive the main shaft working system through the transmission assembly The support seat slides.
The edge grinding head according to claim 4, wherein the transmission assembly includes a first transmission member and a second transmission member, the output shaft of the first drive member is connected to the first transmission member, and the The second transmission member is connected with the main shaft working system;

The second transmission member is engaged with the first transmission member, and the axis of the second transmission member is perpendicular to the axis of the first transmission member, and the first drive member drives the first transmission member through the first transmission member The two transmission parts rotate.
The edging head according to claim 4, wherein the first driving member is a servo reducer.
The edge grinding head according to claim 5, wherein the main shaft working system comprises a sliding sleeve and a main shaft assembly, the sliding sleeve is inserted into the second transmission member, and the outer wall of the sliding sleeve has an outer wall. thread, the inner wall of the second transmission member has an internal thread matching the external thread, the main shaft assembly is connected with the sliding sleeve, and the second transmission member rotates to drive the sliding sleeve and the main shaft The assembly slides relative to the support seat.
The edge grinding head according to claim 7, wherein the spindle working system further includes a guide, the guide is slidably connected to the sliding sleeve, and one end of the guide is in contact with the sliding sleeve , the other end of the guide member abuts against the support seat.
The edge grinding head according to claim 7, further comprising a locking device, the locking device includes a second driving member and a locking block, the second driving member is connected to the support base, and the The locking block is connected to the output shaft of the second driving member, and the second driving member drives the locking block to move, so that the locking block locks or releases the sliding sleeve.
An edging machine, characterized in that it comprises a plurality of edging heads according to any one of claims 1 to 9, and each of the edging heads is arranged at intervals in sequence.