CN216706244U

CN216706244U - Grinding block positioning device of grinding disc welding machine

Info

Publication number: CN216706244U
Application number: CN202220233674.6U
Authority: CN
Inventors: 项大清
Original assignee: Taizhou Sincere Diamond Machinery Co ltd
Current assignee: Taizhou Sincere Diamond Machinery Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-10
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a grinding block positioning device of a grinding disc welding machine, and belongs to the technical field of welding devices. The grinding disc welding machine solves the problem that a correction device needs to be additionally arranged on the periphery of a workbench to position a module in the existing grinding disc welding machine. The utility model comprises a first mounting seat, a plurality of groups of side positioning rod components and inner end positioning rods. The inner end positioning rod is used for abutting against the inner end surface of the grinding block, and the top of the inner end positioning rod is fixedly connected with the first mounting seat. The side locating rods of the side locating rod assemblies are used for supporting the side faces of the grinding blocks, and the side locating rods are fixedly connected with the first mounting seat. By adopting the scheme, the inner end positioning rod abuts against the inner end surface of the grinding block to limit the grinding block to move on the grinding disc towards the extension direction of the inner end surface of the grinding block, so that the grinding block can be inserted in place from outside to inside, a correcting device capable of accurately positioning the tool bit on the grinding disc does not need to be arranged on the periphery of the working platform, and the size of the grinding disc welding machine is reduced to a certain extent.

Description

Grinding block positioning device of grinding disc welding machine

Technical Field

The utility model belongs to the technical field of welding devices, and relates to a millstone welding machine, in particular to a grinding block positioning device of the millstone welding machine.

Background

The grinding disc is a disc type grinding tool used for a grinding machine and generally comprises a disc body and diamond grinding blocks, wherein the diamond grinding blocks are brazed on the disc body, and the working surface is flattened and ground through high-speed rotation of the grinding machine.

The grinding disc welding machine is special for grinding disc brazing processing, and the grinding disc processed by the grinding disc welding machine can improve the welding processing efficiency and the welding quality. To the mill of isostructure, the inventor has proposed multiple mill welding machine, also made the improvement to the abrasive brick location of mill welding machine, like an automatic mill welding machine (application number 201210104951.4), this automatic mill welding machine has frame and work platform, the mill can be fixed on work platform, the work platform outer lane is equipped with can carry out high temperature heating welded high frequency induction coil device to mill and tool bit, work platform is driven rotatoryly by the motor, be equipped with at work platform's periphery and enable the correcting unit of tool bit accurate positioning to the mill, correcting unit is including setting up at mill periphery and being curved anchor clamps and cylinder, anchor clamps can be rectified the tool bit neatly under the cylinder promotes. The first cylinder pushes the clamp, the clamp moves towards the grinding disc and pushes the tool bit to be folded on the inner wall of the step, the arc-shaped clamp is matched with the outer edge of the tool bit, the tool bit cannot deviate during pushing, and the inner edge of each tool bit is tightly attached to the inner wall of the step after correction and is uniformly and circumferentially distributed on the periphery of the grinding disc. The automatic grinding disc welding machine completes grinding block positioning through the correcting device, so that the cutter head is not easy to displace during welding, and the welding efficiency and the grinding disc quality are improved.

If a mill welding machine (application number 201810178307.9) again, this mill welding machine includes frame and mill clamping round platform, and the outside of mill clamping round platform is equipped with the position correcting unit that the multiunit is used for promoting the abrasive brick, and position correcting unit includes the correction seat, and the side relative with mill clamping round platform in the correction seat is the arc surface, wears to be equipped with a plurality of correction teeth of arranging along the arc line on the arc surface and corrects the tooth and can remove along the radial line direction of arc surface. When the module position is corrected, the correcting teeth are abutted against the root of the grinding block and push the grinding block to move towards the inner wall direction of the step of the grinding disc clamping circle. The grinding disc welding machine not only ensures the welding efficiency, but also improves the connection strength of the grinding block and the disc body.

The grinding disc welding machine of the scheme finishes grinding block positioning through the position correction device, and the moving directions of the adjusting modules are consistent with the radial line of the grinding disc aiming at arrangement limitation of the grinding blocks. As shown in fig. 1 and 2, the grinding blocks in the grinding disc are in a sheet shape, and the grinding blocks are arranged in a crossed manner relative to a radial line. The grinding block positioning device in the existing grinding disc welding machine is not suitable for grinding block positioning of the grinding block in the grinding disc, and a correcting device is required to be arranged on the periphery of a working table or the grinding disc.

Disclosure of Invention

The utility model provides a grinding block positioning device of a grinding disc welding machine, and aims to solve the technical problem of how to provide another grinding block positioning device of the grinding disc welding machine, preferably a flaky grinding block can be positioned, and a correction device is not required to be additionally arranged on the periphery of a workbench.

The technical problem to be solved by the utility model can be realized by the following technical scheme: the utility model provides a grinding block positioner of mill welding machine, includes first mount pad and multiunit side locating lever subassembly, and multiunit side locating lever subassembly includes many side locating levers, and the side locating lever of multiunit side locating lever subassembly supplies the side of grinding block to support and leans on. The top of the side positioning rod is fixedly connected with the first mounting seat. The grinding block positioning device also comprises a plurality of inner end positioning rods, the inner end positioning rods are used for abutting against the inner end surfaces of the grinding blocks, and the tops of the inner end positioning rods are fixedly connected with the first mounting seat. The multiple groups of side positioning rod assemblies and the multiple inner end positioning rods are arranged in a one-to-one correspondence mode.

The side positioning rods abut against the side surfaces of the left side and the right side of the grinding block to limit the grinding block to move on the grinding disc towards the left side and the right side of the grinding block, and the inner end positioning rods abut against the inner end surfaces of the grinding block to limit the grinding block to move on the grinding disc towards the extending direction of the inner end surfaces of the grinding block. Therefore, the grinding block can be positioned only by inserting the grinding block to the bottom from outside to inside and enabling the inner end surface of the grinding block to be completely abutted against the inner end positioning rod.

Compared with the prior art, the grinding block welding machine has the advantages that the inner end positioning rod is abutted against the inner end surface of the grinding block to limit the grinding block to move towards the extension direction of the inner end surface of the grinding block on the grinding disc, so that the grinding block can be inserted in place from outside to inside, a correcting device capable of accurately positioning the tool bit on the grinding disc does not need to be arranged on the periphery of the working platform, and the size of the grinding disc welding machine is reduced to a certain extent. And through the mode that sets up of side locating lever and interior extreme pole for be flaky abrasive brick also can fix a position on the disk body, and the locating lever subassembly not only can fix a position the abrasive brick at installation abrasive brick in-process, still can fix a position the abrasive brick at the heating abrasive brick in-process of brazing, improves the quality of mill from this.

Preferably, the first mounting seat is annular, and the inner end positioning rod is positioned on the inner side of the side positioning rod component.

Preferably, the inner end positioning rod penetrates through the first mounting seat, and the inner end positioning rod is in tight fit connection or threaded connection with the first mounting seat, so that the inner end positioning rod can be flexibly replaced according to the damage condition of the positioning rod, and the mounting and dismounting device has the advantage of convenience in mounting and dismounting.

Preferably, the inner end positioning rod is provided with a limiting protrusion part, and the limiting protrusion part abuts against the upper end face of the first mounting seat. The limiting protrusion part can limit the distance of downward movement of the inner end positioning rod when the inner end positioning rod penetrates through the first mounting seat.

Preferably, the side positioning rod penetrates through the first mounting seat. The side locating rod is provided with a limiting protruding part which is abutted against the upper end face of the first mounting seat. The limiting protruding portion can limit the distance of downward movement of the side positioning rod when the side positioning rod penetrates through the first mounting seat.

Preferably, at least a lower end portion of the inner end positioning rod is cylindrical.

Preferably, the number of the side positioning rods in the side positioning rod assembly is at least three, one side surface of the grinding block is abutted by one part of the side positioning rods, and the other side surface of the grinding block is abutted by the other part of the side positioning rods, so that the grinding block is limited to move towards the left side and the right side.

Preferably, the number of the side positioning rods in the side positioning rod assembly is four, two side positioning rods are used for supporting one side surface of the grinding block, and the other two side positioning rods are used for supporting the other side surface of the grinding block. Can be respectively positioned at the inner end of the outer side surface, the outer end of the outer side surface, the inner end of the inner side surface and the outer end of the inner side surface of the grinding block.

Preferably, at least a lower end portion of the side positioning rod is cylindrical. The lower end part of the side locating rod is abutted against the side surface of the grinding block, so that the contact area between the side edge of the grinding block and the side locating rod can be reduced, the friction force between the grinding block and the side locating rod is reduced when the grinding block is inserted from outside to inside, and the grinding block is smooth and can reduce the damage to the surface of the grinding block and the side locating rod caused by friction.

Preferably, the diameter of the middle lower end part of the side positioning rod is smaller than that of the upper end part. Therefore, the distance between two adjacent grinding blocks can be reduced.

Preferably, the middle lower end part and the upper end part of the side positioning rod are in transitional connection through a frustum part. The design of the cone part can reduce the contact area between the side positioning rod and the upper part of the grinding block, further reduce the friction force between the grinding block and the side positioning rod when the grinding block is inserted from outside to inside, and not only ensure smooth operation, but also reduce the damage to the surface of the grinding block and the side positioning rod caused by friction.

Drawings

Fig. 1 is a perspective view of a grinding disc.

Fig. 2 is a schematic top view of the grinding disc.

Fig. 3 is a perspective view of a disk welder.

Fig. 4 is an enlarged view of a portion of the structure of fig. 3.

Fig. 5 is a schematic sectional structure view a-a of fig. 4.

Fig. 6 is an enlarged view of a portion F of fig. 5.

Fig. 7 is a schematic perspective view of the grinding block positioning device and the grinding block in a leaning state.

Fig. 8 is a schematic perspective view of the positioning rod and the grinding block in a leaning state.

The labels in the figure are: 1. a first mounting seat; 1a, an upper end surface; 2. a side positioning rod assembly; 2a, a side positioning rod; 2a1, lower end; 2a2, upper end; 2a3, a frustum portion; 2a4, limit projection; 3. an inner end positioning rod; 3a, a limiting lug boss; 3b, lower end; 4. a second mounting seat; 5. a grinding block pressing rod; 5a, a limiting lug boss; 9. a grinding disc; 9a and a grinding block.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The first embodiment is as follows: as shown in figure 3, the grinding disc welding machine comprises a machine frame and a grinding block positioning device.

As shown in fig. 3 to 6, the grinding block positioning device includes a first mounting seat 1 and a plurality of sets of side positioning rod assemblies 2, the plurality of sets of side positioning rod assemblies 2 include a plurality of side positioning rods 2a, and the side positioning rods 2a of the plurality of sets of side positioning rod assemblies 2 are used for the side surfaces of the grinding blocks 9a to abut against. The top of the side positioning rod 2a is fixedly connected with the first mounting seat 1. The grinding block positioning device further comprises a plurality of inner end positioning rods 3, the inner end positioning rods 3 are used for abutting against the inner end faces of the grinding blocks 9a, and the tops of the inner end positioning rods 3 are fixedly connected with the first mounting seat 1. The multiple sets of side positioning rod assemblies 2 and the multiple inner positioning rods 3 are arranged in a one-to-one correspondence manner.

As shown in fig. 5 to 8, the side positioning rod 2a abuts against the side surfaces on the left and right sides of the grinding block 9a to restrict the movement of the grinding block 9a on the grinding table 9 in the left and right directions of the grinding block 9a, and the inner end positioning rod 3 abuts against the inner end surface of the grinding block 9a to restrict the movement of the grinding block 9a on the grinding table 9 in the extending direction of the inner end surface of the grinding block 9 a.

As shown in fig. 4 to 6, the number of the side positioning rods 2a in the side positioning rod assembly 2 is four, two side positioning rods 2a are used for abutting against one side surface of the grinding block 9a, and the other two side positioning rods 2a are used for abutting against the other side surface of the grinding block 9 a. Can be respectively positioned at the inner end of the outer side surface, the outer end of the outer side surface, the inner end of the inner side surface and the outer end of the inner side surface of the grinding block 9 a.

As shown in fig. 3, the grinding disc 9 welding machine further comprises a second mounting seat 4, the grinding block positioning device further comprises a grinding block pressing rod 5, the top of the grinding block pressing rod 5 is fixed on the second mounting seat 4, and the bottom of the grinding block pressing rod 5 can be pressed on the top surface of the grinding block 9 a.

As shown in fig. 7, the grinding disc 9 limits the bottom surface of the grinding block 9a, the side positioning rods 2a limit the left side and the right side of the grinding block 9a, the inner end positioning rods 3 limit the extending direction of the inner end of the grinding block 9a, and the grinding block pressing rods 5 limit the top surface of the grinding block 9a, so that the grinding disc 9, the side positioning rods 2a, the inner end positioning rods 3 and the grinding block pressing rods 5 position and limit the movement of the grinding block 9a from five directions.

As shown in fig. 3 and 7, the first mounting seat 1 is annular, and the inner end positioning rod 3 is located inside the side positioning rod assembly 2. The inner end positioning rod 3 and the side positioning rod 2a are arranged on the first mounting seat 1 in a penetrating mode, the inner end positioning rod 3 and the side positioning rod 2a are connected with the first mounting seat 1 in a tight fit mode or in threaded connection, and therefore the inner end positioning rod and the side positioning rod can be flexibly replaced according to the damage condition of the positioning rods, and the mounting seat has the advantage of being convenient to disassemble and assemble.

As shown in fig. 7, the inner end positioning rod 3 has a stopper protrusion 3a, and the stopper protrusion 3a abuts against the upper end surface 1a of the first mounting seat 1. The limiting protrusion part 3a can limit the distance of downward movement of the inner end positioning rod 3 when the inner end positioning rod is inserted into the first mounting seat 1. The top of the side positioning rod 2a has a limit protrusion 2a4, and the limit protrusion 2a4 abuts against the upper end face 1a of the first mounting seat 1. The limit protrusion 2a4 can limit the distance that the side positioning rod 2a moves downward when passing through the first mounting seat 1.

As shown in fig. 4 to 8, at least the lower end portion 3b of the inner end positioning rod 3 has a cylindrical shape. The cylindrical design reduces the contact area between the inner end positioning rod 3 and the grinding block 9a, and reduces the friction force when the grinding block 9a is inserted from outside to inside, so that the damage to the surfaces of the inner end positioning rod 3 and the grinding block 9a is caused.

As shown in fig. 4 to 8, at least the lower end portion 2a1 of the side positioning lever 2a has a cylindrical shape. The lower end part 2a1 of the side locating rod 2a is abutted against the side surface of the grinding block 9a, so that the contact area between the side edge of the grinding block 9a and the side locating rod 2a can be reduced, the friction force between the grinding block 9a and the side locating rod 2a is reduced when the grinding block 9a is inserted from outside to inside, and the surface of the grinding block 9a and the side locating rod 2a are not only smooth but also damaged due to friction can be reduced.

As shown in fig. 3 to 8, the diameter of the lower end portion 2a1 of the side positioning rod 2a is smaller than that of the upper end portion 2a 2. Thereby, the distance between the two adjacent grinding blocks 9a can be reduced. The distance between the bottom end of the lower end part 2a1 of the side positioning rod 2a and the top surface of the grinding disc 9 is smaller than the height of the grinding block 9 a.

As shown in fig. 3 and 8, the lower end portion 2a1 and the upper end portion 2a2 of the side positioning rod 2a are transitionally connected by a frustum portion 2a 3. The design of the tapered part 2a3 can reduce the contact area between the side positioning rod 2a and the upper part of the grinding block 9a, and further reduce the friction force with the side positioning rod 2a when the grinding block 9a is inserted from outside to inside, thereby reducing the damage to the surface of the grinding block 9a and the side positioning rod 2a caused by friction.

The cone part 2a3 is designed to be detachable, so that the cone part can be flexibly replaced according to the damage condition of the lower end part 2a1 of the side positioning rod 2a, the whole side positioning rod 2a does not need to be replaced, and the loss is reduced.

As shown in fig. 3, the grinding disc welding machine further comprises a first lifting structure installed on the machine frame, the first installation base 1 is connected with the machine frame through the first lifting structure, and the side positioning rod 2a and the inner end positioning rod 3 are both connected with the first installation base 1. From this, side locating lever 2a and inner locating lever 3 can be along with the lift travel of first mount pad 1, and then realize that control side locating lever 2a and inner locating lever 3 and abrasive brick 9a support to lean on completely or partially support to lean on or separate completely.

The grinding disc welding machine further comprises a second lifting structure arranged on the machine frame, and the second mounting base 4 is connected with the machine frame through the second lifting structure. The grinding block pressure rod 5 is connected with the second mounting seat 4, so that the grinding block pressure rod 5 can move along with the lifting of the second mounting seat 4, and the bottom of the grinding block pressure rod 5 is controlled to be completely pressed on the top surface of the grinding block 9a or the bottom of the grinding block 9a pressure rod 5 is controlled to be completely separated from the top surface of the grinding block 9 a.

The function and advantages of the individual components will be further elucidated by way of illustrating the process of positioning the grinding block 9 a.

Firstly, fixing the grinding disc 9,

and secondly, operating the first lifting structure to enable the first mounting seat 1 to descend until the side surface of the grinding block 9a can abut against the side positioning rod 2a, and the inner end surface of the grinding block 9a can abut against the inner end positioning rod 3. At this time, the grinding disc 9, the side positioning rod 2a and the inner end positioning rod 3 form a positioning groove for guiding and inserting the grinding block 9 a.

Thirdly, the grinding block 9a is inserted into the positioning groove from outside to inside along the direction of the inner end positioning rod until the inner end surface of the grinding block 9a is completely abutted against the lower end part 3b of the inner end positioning rod 3. And the side surface of the grinding block 9a abuts against the lower end part 2a1 of the side locating rod 2 a. The lower end parts 2a1 of the inner end positioning rod 3 and the side positioning rod 2a are both cylindrical, so that the contact area between the positioning rods and the modules is reduced when the grinding block 9a is inserted, the insertion of the grinding block 9a is smooth, and the damage to the surface of the grinding block 9a and the side positioning rod 2a caused by friction can be reduced.

And fourthly, operating the second lifting structure to enable the second mounting seat 4 to descend until the bottom of the grinding block pressing rod 5 presses the top surface of the grinding block 9 a.

Fifthly, after the grinding block 9a is positioned, flux is arranged on the disc body of the grinding disc 9, and the grinding disc 9 and the grinding block 9a can be heated for braze welding processing.

Sixthly, after the grinding block 9a of the grinding disc 9 is brazed and processed to be cooled, the first lifting structure and the second lifting structure are operated again, so that the side positioning rod 2a and the grinding block 9a can be completely separated, and the grinding block pressure rod 5 and the grinding block 9a can be completely separated.

Example two: the structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the substantially same parts are not described redundantly, but only different parts are described, and the different parts are: the number of the side positioning rods 2a in the side positioning rod assembly 2 is at least three, one side surface of the grinding block 9a is abutted by one part of the side positioning rods 2a, and the other side surface of the grinding block 9a is abutted by the other part of the side positioning rods 2a, so that the grinding block 9a is limited to move towards the left side and the right side.

Example three: the structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the description of the parts that are substantially the same is not repeated, but only different parts are described, and the different parts are as follows: the outer side surface of the lower end part 3b of the inner end positioning rod 3, which is abutted against the inner end surface of the grinding block 9a, is in a shape of a plane. After the grinding block 9a is inserted into the positioning groove, the inner end face of the grinding block 9a is completely overlapped with the plane of the lower end part 3b of the inner end positioning rod 3, and at the moment, the grinding block 9a is inserted in place.

Claims

1. A grinding block positioning device of a grinding disc welding machine comprises a first mounting seat (1) and a plurality of groups of side positioning rod assemblies (2), wherein the plurality of groups of side positioning rod assemblies comprise a plurality of side positioning rods (2 a), the side positioning rods (2 a) of the plurality of groups of side positioning rod assemblies (2) are used for supporting against the side surfaces of grinding blocks (9 a), and the tops of the side positioning rods (2 a) are fixedly connected with the first mounting seat (1); the grinding block positioning device is characterized by further comprising a plurality of inner end positioning rods (3), a plurality of groups of side positioning rod assemblies (2) and the plurality of inner end positioning rods (3) are arranged in a one-to-one correspondence manner, and the tops of the inner end positioning rods (3) are fixedly connected with the first mounting seat (1); the inner end positioning rod (3) is used for the inner end surface of the grinding block (9 a) to abut against.

2. The grinding block positioning device of the grinding disc welding machine according to claim 1, characterized in that the first mounting seat (1) is annular, and the inner end positioning rod (3) is positioned at the inner side of the side positioning rod assembly (2).

3. The grinding block positioning device of the grinding disc welding machine according to claim 1, characterized in that the inner end positioning rod (3) is arranged on the first mounting seat (1) in a penetrating manner, and the inner end positioning rod (3) is connected with the first mounting seat (1) in a tight fit manner or in a threaded manner.

4. The grinding block positioning device of the grinding disc welding machine according to the claim 3, characterized in that the inner end positioning rod (3) is provided with a limiting lug boss (3 a), and the limiting lug boss (3 a) is abutted against the upper end surface (1 a) of the first mounting seat (1).

5. The grinding block positioning device of the grinding disc welding machine according to claim 1, characterized in that at least the lower end part (3 b) of the inner end positioning rod (3) is cylindrical.

6. The grinding block positioning device of the grinding disc welding machine according to claim 1, characterized in that the number of the side positioning rods (2 a) in the side positioning rod assembly (2) is at least three, one side surface of the grinding block (9 a) is abutted by a part of the side positioning rods (2 a), and the other side surface of the grinding block (9 a) is abutted by the other part of the side positioning rods (2 a).

7. The grinding block positioning device of the grinding disc welding machine according to claim 1, characterized in that the number of the side positioning rods (2 a) in the side positioning rod assembly (2) is four, two side positioning rods (2 a) are used for supporting one side surface of the grinding block (9 a), and the other two side positioning rods (2 a) are used for supporting the other side surface of the grinding block (9 a).

8. The grinding block positioning device of a grinding disc welding machine according to claim 1, characterized in that at least the lower end part (2 a 1) of the side positioning rod (2 a) is cylindrical.

9. The grinding block positioning device of the grinding disc welding machine according to the claim 8, characterized in that the diameter of the lower end part (2 a 1) in the side positioning rod (2 a) is smaller than the upper end part.

10. The grinding block positioning device of the grinding disc welding machine according to the claim 9, characterized in that the lower end part (2 a 1) and the upper end part (2 a 2) in the side positioning rod (2 a) are transitionally connected through a cone part (2 a 3).