CN213351200U - Blade pushing mechanism for automatic laser welding equipment of milling cutter - Google Patents

Blade pushing mechanism for automatic laser welding equipment of milling cutter Download PDF

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Publication number
CN213351200U
CN213351200U CN202022397017.9U CN202022397017U CN213351200U CN 213351200 U CN213351200 U CN 213351200U CN 202022397017 U CN202022397017 U CN 202022397017U CN 213351200 U CN213351200 U CN 213351200U
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China
Prior art keywords
blade
groove
milling cutter
cylinder
pushing mechanism
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CN202022397017.9U
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Chinese (zh)
Inventor
葛伟伟
陆轩然
施飞
马俊
傅康
蒋芬军
胡一鸣
姜萍
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Jiangsu Zhufeng Photoelectric Technology Co ltd
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Jiangsu Zhufeng Photoelectric Technology Co ltd
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Abstract

The utility model belongs to the technical field of the laser welding technique and specifically relates to a milling cutter's automatic laser welding is blade pushing mechanism for equipment, milling cutter includes milling cutter body and blade, milling cutter body includes tool bit and spliced pole, blade pushing mechanism includes sword groove, sword groove cylinder and propelling movement cylinder, the sword groove is fixed on the piston rod of sword groove cylinder for hold a plurality of blade, the sword groove cylinder is used for driving the sword groove and advances to reach operating position or retreat and withdraw operating position, propelling movement cylinder fixes on the sword groove, through the welding position on the blade of piston rod propelling movement sword inslot arrival tool bit. The utility model discloses a blade pushing mechanism advances to operating position through sword groove cylinder drive sword groove, then through fixing the welding position on the tool bit is reachd to the blade in the sword groove of the propelling movement cylinder propelling movement of sword groove, and the propelling movement of blade is accomplished by equipment completely, can guarantee the accuracy of propelling movement, avoids artificial error, and work efficiency is high.

Description

Blade pushing mechanism for automatic laser welding equipment of milling cutter
Technical Field
The utility model belongs to the technical field of the laser welding technique and specifically relates to a blade push mechanism for automatic laser welding equipment of milling cutter.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
The welding process is a key process in the manufacturing process of the milling cutter and is used for welding the blade on the milling cutter, the process is directly related to the quality and the cost of products, at present, domestic manufacturers basically adopt manual welding, the manual welding usually has extremely difficult control of welding positioning points, the welding precision is low, only blade grinding allowance can be widened, and expensive alloy raw materials can be wasted; on the other hand, the workload of the post-process is increased, and the cost is increased; the third aspect is that the reserved angle of the blade is changed, and the product quality is seriously influenced. When manual large-batch welding is carried out, the labor intensity is high, the production efficiency is low, the welding quality and the quality cannot be guaranteed, for example, the welding temperature, the mechanical strength and the like are difficult to control, and the product quality is directly influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists at present manual welding milling cutter in-process, the utility model provides a blade pushing mechanism for milling cutter's automatic laser welding equipment, this blade pushing mechanism advances to operating position through sword groove cylinder drive sword groove, then through fixing the welding position on the blade reachs the tool bit in the sword inslot of the propelling movement cylinder propelling movement of sword groove, the propelling movement of blade is accomplished by equipment completely, can guarantee the accuracy of propelling movement, avoid artificial error, work efficiency is high.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a milling cutter's automatic laser welding is blade push mechanism for equipment, milling cutter includes milling cutter body and blade, the milling cutter body includes tool bit and spliced pole, blade push mechanism includes sword groove, sword groove cylinder and propelling movement cylinder, the sword groove is fixed on the piston rod of sword groove cylinder for hold a plurality of blade, the sword groove cylinder is used for driving the sword groove and advances to arrive operating position or retreat and withdraw operating position, the propelling movement cylinder is fixed on the sword groove, through the welding position on the blade arrival tool bit of piston rod propelling movement sword inslot.
Specifically, the blade pushing mechanism further comprises a blade groove fixing plate, the blade groove fixing plate is fixed on a piston rod of the blade groove air cylinder, and the blade groove is fixed on the blade groove fixing plate.
Specifically, the blade pushing mechanism further comprises a pushing support, and the cutter groove cylinder is fixed on the pushing support.
Specifically, the blade pushing mechanism further comprises a blade groove sensing device, the blade groove sensing device comprises a sensor, a sensing block and a sensing rod, the sensing rod is fixed on the pushing support, the sensor is slidably fixed on the sensing rod, the sensing block is fixed on the blade groove fixing plate, and whether the blade groove reaches the working position or not is determined through sensing of the sensor on the sensing block.
Specifically, the knife groove is provided with a knife groove cover plate for pressing the blade.
Specifically, a blade push plate is arranged on the cutter groove, and a piston rod of the pushing cylinder pushes the blade to reach a welding position on the cutter head through the blade push plate.
Specifically, the center of the inner bottom surface of the knife groove is provided with a guide groove, and the lower surface of the blade pushing plate extends downwards to form a guide block matched with the guide groove.
Specifically, the blade pushing plate is consistent with the height of the blade, and the knife slot cover plate is simultaneously covered above the blade pushing plate and the blade.
Specifically, the cutter groove is provided with a cylinder fixing plate, and the pushing cylinder is fixed on the cylinder fixing plate, so that a piston rod of the pushing cylinder penetrates through the cylinder fixing plate to push the blade.
An automatic laser welding device for milling cutter comprises
The milling cutter fixing mechanism comprises a base and a milling cutter fixing device fixed on the base, and the milling cutter fixing device is fixedly connected with the connecting column and used for fixing the milling cutter body and driving the milling cutter body to rotate according to a set angle;
the blade pushing mechanism is used for pushing the blade to a welding position on the cutter head; and
and the laser welding mechanism comprises a laser welding head and is used for welding the blade on the cutter head.
Specifically, above-mentioned milling cutter fixing device includes servo motor, dividing head, chuck and fixed block, the dividing head is installed on servo motor, chuck and dividing head fixed connection, the fixed block card is established on the chuck, the milling cutter body passes through the spliced pole to be fixed on the fixed block.
Specifically, the chuck is a three-jaw chuck or a four-jaw chuck.
Specifically, the milling cutter fixing mechanism further comprises a milling cutter jacking device which is slidably fixed on the base and used for jacking the milling cutter body from one end of the cutter head.
Specifically, the milling cutter jacking device comprises a jacking seat, a jacking cylinder and a thimble, wherein the jacking seat is slidably fixed on the base, and a piston rod of the jacking cylinder penetrates through the jacking seat to be fixedly connected with the thimble and is used for driving the thimble to move forward to jack the milling cutter body or move backward to loosen the milling cutter body.
Specifically, the pushing support is fixed on the base.
Specifically, above-mentioned laser welding mechanism still includes laser welding robot, laser welding robot and laser welding head fixed connection for send the laser welding head to the assigned position and carry out laser welding.
Specifically, the laser welding head is provided with a powder feeding nozzle for feeding powder to a welding position.
Specifically, the laser welding head is provided with a positioning indicator, and the positioning indicator is used for emitting positioning indicating light to help adjust a laser focus.
The utility model has the advantages that:
(1) the blade pushing mechanism drives the blade groove to move forward to a working position through the blade groove air cylinder, then the blade in the blade groove is pushed to reach a welding position on the tool bit through the pushing air cylinder fixed on the blade groove, pushing of the blade is completely completed through equipment, pushing accuracy can be guaranteed, manual errors are avoided, and working efficiency is high;
(2) the blade pushing mechanism of the utility model is provided with a blade groove sensing device, the blade groove sensing device comprises a sensor, a sensing block and a sensing rod, when the blade groove cylinder drives the blade groove to move forward to the sensor contact sensing block, the blade groove cylinder stops driving the blade groove to move forward, and the blade groove is prevented from being damaged due to too much contact with a milling cutter and the like;
(3) the guide groove is formed in the center of the inner bottom surface of the cutter groove, the lower surface of the blade pushing plate extends downwards to form a guide block matched with the guide groove, and the blade can be always pushed forwards in a linear direction through the cooperation of the guide block and the guide groove, so that the phenomenon that the blade 91 is pushed askew to cause subsequent welding inaccuracy is avoided.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the milling cutter fixing mechanism and the blade pushing mechanism of the present invention;
FIG. 3 is an enlarged view of a portion a of FIG. 2;
fig. 4 is a schematic structural view of the blade pushing mechanism of the present invention;
fig. 5 is a schematic structural view of a laser welding head according to the present invention;
fig. 6 is a schematic view of a milling cutter of a type used in the laser welding apparatus of the present invention;
in the figure: a base; 12. a milling cutter fixing device; 121. a servo motor; 122. a dividing head; 123. a chuck; 124. a fixed block; 13. a milling cutter jacking device; 131. a jacking seat; 132. tightly pushing the air cylinder; 133. a thimble; 2. a blade pushing mechanism; 21. a cutter groove; 211. a cutter groove cover plate; 212. a blade pushing plate; 213. a guide groove; 214. a guide block; 215. a cylinder fixing plate; 22. a cutter groove cylinder; 23. a push cylinder; 24. a cutter groove fixing plate; 25. pushing the bracket; 261. an inductor; 262. an induction block; 263. an induction rod; 31. a laser welding head; 311. a powder feeding nozzle; 312. a positioning indicator; 32. a laser welding robot; 8. a laser beam; 91. a blade; 92. a cutter head; 93. connecting columns.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
3-4 and 6, the milling cutter comprises a milling cutter body and blades 91, the milling cutter body comprises a cutter head 92 and a connecting column 93, the blade pushing mechanism 2 comprises a cutter groove 21, a cutter groove cylinder 22 and a pushing cylinder 23, the cutter groove 21 is fixed on a piston rod of the cutter groove cylinder 22 and used for containing a plurality of blades 91, the cutter groove cylinder 22 is used for driving the cutter groove 21 to move forwards to a working position or withdraw from the working position, the pushing cylinder 23 is fixed on the cutter groove 21, and the blades 91 in the cutter groove 21 are pushed to a welding position on the cutter head 92 through the piston rod.
In a specific embodiment, the knife slot cylinder 22 may be a duplex cylinder or a three-axis cylinder, so as to more stably drive the knife slot 21 to move forward or backward, and the pushing cylinder 23 may be a mini cylinder, and may be directly fixed on the knife slot 21.
In a specific embodiment, as shown in fig. 4, the blade pushing mechanism 2 further includes a blade groove fixing plate 24, the blade groove fixing plate 24 is fixed on the piston rod of the blade groove cylinder 22, and the blade groove 21 is fixed on the blade groove fixing plate 24.
In a specific embodiment, as shown in fig. 2 and 4, the blade pushing mechanism 2 further includes a pushing bracket 25, and the knife slot cylinder 22 is fixed on the pushing bracket 25.
In a specific embodiment, as shown in fig. 4, the blade pushing mechanism 2 further includes a blade sensing device, the blade sensing device includes a sensor 261, a sensing block 262 and a sensing rod 263, the sensing rod 263 is fixed on the pushing bracket 25, the sensor 261 is slidably fixed on the sensing rod 263, the sensing block 262 is fixed on the blade fixing plate 24, and whether the blade 21 reaches the working position is determined by sensing the sensing block 262 by the sensor 261. When the cutter groove cylinder 22 drives the cutter groove 21 to advance until the inductor 261 contacts the induction block 262, the cutter groove cylinder 22 stops driving the cutter groove 21 to advance, and damage caused by excessive advancing of the cutter groove 21 contacting with a milling cutter and the like is avoided.
In a specific embodiment, as shown in fig. 3, the pocket 21 is provided with a pocket cover 211 for pressing the blade 91. In an exemplary embodiment, since the heights of the blades 91 required for different milling cutters are different, the pocket cover plate 211 may be fixed to an end of the pocket 21 near the push cylinder 23 using an additional fixing block.
In a specific embodiment, as shown in fig. 4, a blade pushing plate 212 is disposed on the knife slot 21, and a piston rod of the pushing cylinder 23 pushes the blade 91 to a welding position on the knife head 92 through the blade pushing plate 212.
In a specific embodiment, as shown in fig. 4, the inner bottom surface of the pocket 21 is centrally provided with a guide groove 213, and the lower surface of the blade pushing plate 212 extends downward to form a guide block 214 matching with the guide groove 213. Through the cooperation of guide block 214 and guide way 213, can ensure to push away blade 91 forward with the straight line direction all the time, avoid pushing away the skew and leading to subsequent welding inaccurate with blade 91.
In a specific embodiment, as shown in fig. 3, the blade pushing plate 212 is at the same height as the blade 91, and the blade pocket cover plate 211 is simultaneously disposed above the blade pushing plate 212 and the blade 91. In a particular embodiment, blade pusher plates 212 of different heights may be prepared to accommodate blades 91 of different heights.
In a specific embodiment, as shown in fig. 4, the knife slot 21 is provided with a cylinder fixing plate 215, and the pushing cylinder 23 is fixed on the cylinder fixing plate 215, so that a piston rod of the pushing cylinder 23 penetrates through the cylinder fixing plate 215 to push the blade 91.
An automatic laser welding device for milling cutters is shown in fig. 1-2 and fig. 6, and comprises a milling cutter fixing mechanism, a blade pushing mechanism 2 and a laser welding mechanism, wherein the milling cutter fixing mechanism comprises a base 11 and a milling cutter fixing device 12 fixed on the base 11, and the milling cutter fixing device 12 is fixedly connected with a connecting column 93 and used for fixing a milling cutter body and driving the milling cutter body to rotate according to a set angle; the blade pushing mechanism 2 is used for pushing the blade 91 to a welding position on the cutter head 92; the laser welding mechanism includes a laser welding head 31 for welding the blade 91 to the tool head 92.
In the specific embodiment, the connecting post 93 of the milling cutter is fixed on the milling cutter fixing device 12, the group of blades 91 is placed on the blade pushing mechanism 2, the milling cutter fixing device 12 is started to drive the milling cutter body to rotate to the position where the blades 91 need to be welded, then the blade pushing mechanism 2 is started to push the blades 91 to the welding position on the cutter head 92, and then the laser welding head 31 performs welding. After welding at one position is completed, the blade pushing mechanism 2 retreats from the working position, the milling cutter fixing device 12 drives the milling cutter body to rotate to the next position where the blade 91 needs to be welded, then the blade pushing mechanism 2 advances to the working position, the blade 91 is pushed to the welding position on the cutter head 92 again, welding is performed through the laser welding head 31, and the like is performed until the blades 91 are welded at all positions on the milling cutter, the milling cutter is taken down from the milling cutter fixing device 12, the next milling cutter to be welded is replaced, and after the blade 91 is used up, the next group of blades 91 is replaced.
The rotation of tool bit 92, the propelling movement and the weldment work of blade 91 have equipment to accomplish automatically completely, and the location is accurate, and welding precision is high, practices thrift the manual work, and production efficiency is high, and the yields is high.
In a specific embodiment, as shown in fig. 2, the milling cutter fixing device 12 includes a servo motor 121, an index head 122, a chuck 123 and a fixing block 124, the index head 122 is mounted on the servo motor 121, the chuck 123 is fixedly connected with the index head 122, the fixing block 124 is clamped on the chuck 123, and the milling cutter body is fixed on the fixing block 124 through a connecting column 93. The index head 122 can be used to control the rotation angle of the tool tip 92, thereby helping the tool tip 92 to smoothly rotate to a desired position, which is more accurate and efficient.
In one specific embodiment, the chuck 123 is a three-jaw chuck or a four-jaw chuck.
In a specific embodiment, as shown in fig. 2, the milling cutter fixing mechanism further comprises a milling cutter abutting device 13 slidably fixed on the base 11, and the milling cutter abutting device 13 is used for abutting the milling cutter body from one end of the cutter head 92. Milling cutter fixing device 12 is fixed the back with milling cutter, and rethread milling cutter pushes up tight device 13 with milling cutter top tightly, can make milling cutter more stable, avoids blade push mechanism 2 to the position that influences milling cutter in-process of propelling movement blade 91 on tool bit 92.
In a specific embodiment, as shown in fig. 2-3, the milling cutter tightening device 13 includes a tightening seat 131, a tightening cylinder 132 and an ejector pin 133, the tightening seat 131 is slidably fixed on the base 11, and a piston rod of the tightening cylinder 132 passes through the tightening seat 131 and is fixedly connected with the ejector pin 133 for driving the ejector pin 133 to advance to tighten the milling cutter body or retreat to loosen the milling cutter body.
In the embodiment shown in fig. 3, the thimble 133 is conical and has a conical tip to abut against the cutter head 92. as shown in fig. 6, the cutter head has a circular hole into which the conical tip of the thimble 133 is inserted, so that the milling cutter can be more stably fixed without affecting the rotation of the milling cutter with the milling cutter fixing device 12.
In one particular embodiment, as shown in FIG. 2, the push bracket 25 is fixed to the base 11.
In a specific embodiment, as shown in fig. 1, the laser welding mechanism further includes a laser welding robot 32, and the laser welding robot 32 is fixedly connected to the laser welding head 31 for sending the laser welding head 31 to a designated position for laser welding.
In a specific embodiment, as shown in fig. 5, the laser welding head 31 is provided with a powder feeding nozzle 311 for feeding powder to the welding position. The powder feeding nozzle 311 is directly arranged on the laser welding head 31, and is convenient to use.
In a specific embodiment, as shown in fig. 5, the laser welding head 31 is provided with a positioning indicator 312, and the positioning indicator 312 is used for emitting positioning indicating light to help adjust the laser focus.
The automatic laser welding equipment using the blade pushing mechanism can be applied to four-edge milling cutters, and is also applicable to milling cutters with two edges, six edges, eight edges and even more blades, as long as the positions of the blades on the cutter head are right-angled (as shown in fig. 6).
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. The utility model provides a milling cutter's automatic blade pushing mechanism for laser welding equipment, milling cutter includes milling cutter body and blade (91), milling cutter body includes tool bit (92) and spliced pole (93), its characterized in that: blade push mechanism (2) are including sword groove (21), sword groove cylinder (22) and propelling movement cylinder (23), sword groove (21) are fixed on the piston rod of sword groove cylinder (22) for hold a plurality of blade (91), sword groove cylinder (22) are used for driving sword groove (21) and advance and reach operating position or withdraw from operating position backward, propelling movement cylinder (23) are fixed on sword groove (21), and blade (91) in the sword groove (21) of propelling movement through the piston rod reach the welding position on tool bit (92).
2. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 1, characterized in that: the blade pushing mechanism (2) further comprises a blade groove fixing plate (24), the blade groove fixing plate (24) is fixed on a piston rod of the blade groove cylinder (22), and the blade groove (21) is fixed on the blade groove fixing plate (24).
3. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 2, characterized in that: the blade pushing mechanism (2) further comprises a pushing support (25), and the cutter groove air cylinder (22) is fixed on the pushing support (25).
4. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 3, wherein: the blade pushing mechanism (2) further comprises a blade groove sensing device, the blade groove sensing device comprises a sensor (261), a sensing block (262) and a sensing rod (263), the sensing rod (263) is fixed on the pushing support (25), the sensor (261) is slidably fixed on the sensing rod (263), the sensing block (262) is fixed on the blade groove fixing plate (24), and whether the blade groove (21) reaches the working position or not is determined through sensing of the sensor (261) on the sensing block (262).
5. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 1, characterized in that: the knife groove (21) is provided with a knife groove cover plate (211) for pressing the blade (91).
6. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 5, wherein: the knife groove (21) is provided with a blade push plate (212), and a piston rod of the pushing cylinder (23) pushes the blade (91) to reach a welding position on the knife head (92) through the blade push plate (212).
7. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 6, wherein: the center of the inner bottom surface of the cutter groove (21) is provided with a guide groove (213), and the lower surface of the blade push plate (212) extends downwards to form a guide block (214) matched with the guide groove (213).
8. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 6, wherein: the height of the blade push plate (212) is consistent with that of the blade (91), and the knife groove cover plate (211) is simultaneously covered above the blade push plate (212) and the blade (91).
9. The blade pushing mechanism for an automated laser welding apparatus of a milling cutter according to claim 1, characterized in that: the knife groove (21) is provided with a cylinder fixing plate (215), the pushing cylinder (23) is fixed on the cylinder fixing plate (215), and a piston rod of the pushing cylinder (23) penetrates through the cylinder fixing plate (215) to push the blade (91).
CN202022397017.9U 2020-10-23 2020-10-23 Blade pushing mechanism for automatic laser welding equipment of milling cutter Active CN213351200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022397017.9U CN213351200U (en) 2020-10-23 2020-10-23 Blade pushing mechanism for automatic laser welding equipment of milling cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022397017.9U CN213351200U (en) 2020-10-23 2020-10-23 Blade pushing mechanism for automatic laser welding equipment of milling cutter

Publications (1)

Publication Number Publication Date
CN213351200U true CN213351200U (en) 2021-06-04

Family

ID=76132140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022397017.9U Active CN213351200U (en) 2020-10-23 2020-10-23 Blade pushing mechanism for automatic laser welding equipment of milling cutter

Country Status (1)

Country Link
CN (1) CN213351200U (en)

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