Nozzle feeding mechanism of numerical control machine tool

Abstract

The utility model relates to a numerical control machine tool nozzle feeding mechanism which structurally comprises a nozzle material box, a left stroke air cylinder, a right stroke air cylinder, a lifting discharging mechanism, a feeding air cylinder and a three-jaw chuck discharging air cylinder which are installed on a machine frame, the nozzle material box is located in the middle of the machine frame, and the two sides of the bottom of the nozzle material box are respectively provided with an opening for a nozzle to pass through. A left-right stroke air cylinder is arranged on the side face of an opening in one side of the nozzle material box, the output end of the left-right stroke air cylinder is connected with a first push rod, the first push rod is aligned with the opening in one side of the nozzle material box, and a lifting discharging mechanism is arranged on the other side of the nozzle material box. A feeding air cylinder and a three-jaw chuck discharging air cylinder are arranged on the two sides below the lifting discharging mechanism respectively, a discharging control air cylinder is arranged on the outer side of the nozzle material box, and the output end of the discharging control air cylinder is connected with a material blocking head. The automatic feeding device has the advantages of being reasonable in structural design, capable of automatically achieving feeding of the nozzle, positioning of the nozzle to a lathe machining position and discharging after machining is completed, and capable of effectively improving production efficiency.

Description

Technical Field

[0001] The utility model relates to a feeding mechanism for a numerical control machine tool, in particular to a nozzle feeding mechanism for a numerical control machine tool used for processing a gas shielded welding gun nozzle. Background Art

[0002] The gas shielded welding gun nozzle needs to be fixed by a three-jaw chuck on a numerical control machine tool and then processed on a lathe.

[0003] In the prior art, the loading and unloading of the nozzle are generally carried out manually, with low efficiency. Summary of the Utility Model

[0004] The nozzle feeding mechanism for a numerical control machine tool proposed by the utility model aims to overcome the above deficiencies existing in the prior art and realize the automatic loading and unloading of the nozzle.

[0005] The technical solution of the utility model: The nozzle feeding mechanism for a numerical control machine tool includes a nozzle cartridge installed on a frame, a left and right stroke cylinder, a lifting and discharging mechanism, a feeding cylinder, and a three-jaw chuck blanking cylinder. The nozzle cartridge is located in the middle of the frame. Openings for one nozzle to pass through are respectively arranged on both sides of the bottom of the nozzle cartridge. A left and right stroke cylinder is arranged on the side of one opening of the nozzle cartridge. The output end of the left and right stroke cylinder is connected to a first push rod, and the first push rod is aligned with the opening on one side of the nozzle cartridge. A lifting and discharging mechanism is arranged on the other side of the nozzle cartridge. A blanking guide groove is arranged on the side of the lifting and discharging mechanism far from the nozzle cartridge. The feeding cylinder and the three-jaw chuck blanking cylinder are respectively arranged on both sides below the lifting and discharging mechanism. A blanking control cylinder is arranged outside the nozzle cartridge, and the output end of the blanking control cylinder is connected to a stop head. During operation, multiple nozzles are loaded into the nozzle cartridge; the left and right stroke cylinder operates, and a single nozzle is pushed into the lifting and discharging mechanism through the first push rod; the lifting and discharging mechanism moves to the coaxial position of the lathe three-jaw chuck, and the feeding cylinder pushes the material into the three-jaw chuck, and then the lifting and discharging mechanism returns upward to the initial position. The lathe starts turning processing. After processing, the lifting and discharging mechanism moves to the coaxial position of the lathe three-jaw chuck, and the three-jaw chuck blanking cylinder pushes out the nozzle to the lifting and discharging mechanism. The lifting and discharging mechanism moves to the initial position, and the left and right stroke cylinder pushes out the processed nozzle to the blanking guide groove while sending a new nozzle to be processed.

[0006] Preferably, a slot hole extending up and down is opened outside the nozzle cartridge, and the stop head extends into the slot hole. It can control the dropping of one nozzle each time and does not interfere during the operation of the left and right stroke cylinder.

[0007] Preferably, the lifting and discharging mechanism includes a feeding cylinder, a blanking cylinder, an up-and-down stroke cylinder, and a switching cylinder. The output end of the up-and-down stroke cylinder is connected to a lifting frame, on which a switching cylinder and a vertically extending stroke guide rail are installed. A lifting block is installed on the stroke guide rail, and the output end of the switching cylinder is connected downward to the top of the lifting block. Horizontally arranged feeding and blanking cylinders that penetrate through left and right are respectively provided on the upper and lower parts of the lifting block. The output end of the left-and-right stroke cylinder is also connected to a second push rod corresponding to an opening on one side of the blanking cylinder. The setting of the two cylinders can improve efficiency and can feed new materials and discharge the processed finished products simultaneously.

[0008] Advantages of the present utility model: The structure is reasonably designed, and it can automatically realize the feeding, positioning of the nozzle to the lathe processing position, and discharging after processing, which can effectively improve production efficiency. Description of the Drawings

[0009] Figure 1 It is a structural schematic diagram of the nozzle feeding mechanism of the numerical control machine tool of the present utility model.

[0010] In the figure, 1 is the frame, 2 is the nozzle cartridge, 21 is the slot hole, 3 is the left-and-right stroke cylinder, 31 is the first push rod, 32 is the second push rod, 4 is the lifting block, 41 is the feeding cylinder, 42 is the blanking cylinder, 43 is the stroke guide rail, 51 is the up-and-down stroke cylinder, 52 is the switching cylinder, 61 is the feeding cylinder, 62 is the three-jaw chuck blanking cylinder, 7 is the blanking guide groove, 8 is the blanking control cylinder, and 81 is the material blocking head. Detailed Embodiment

[0011] The present utility model will be further described in detail below in conjunction with the embodiments and specific implementation manners.

[0012] As Figure 1 shown, the nozzle feeding mechanism of the numerical control machine tool has a structure including a nozzle cartridge 2, a left-and-right stroke cylinder 3, a feeding cylinder 41, a blanking cylinder 42, an up-and-down stroke cylinder 51, a switching cylinder 52, a feeding cylinder 61, and a three-jaw chuck blanking cylinder 62 installed on the frame 1. The nozzle cartridge 2 is located in the middle of the frame 1. Openings for one nozzle to pass through are respectively provided on both sides of the bottom of the nozzle cartridge 2. A left-and-right stroke cylinder 3 is provided on the side of one opening of the nozzle cartridge 2. The output end of the left-and-right stroke cylinder 3 is connected to a first push rod 31, and the first push rod 31 is aligned with the opening on one side of the nozzle cartridge 2. A lifting and discharging mechanism is provided on the other side of the nozzle cartridge 2. A blanking guide groove 7 is provided on the side of the lifting and discharging mechanism away from the nozzle cartridge 2. The feeding cylinder 61 and the three-jaw chuck blanking cylinder 62 are respectively provided on both sides below the lifting and discharging mechanism. A blanking control cylinder 8 is provided outside the nozzle cartridge 2. The output end of the blanking control cylinder 8 is connected to a material blocking head 81. A vertically extending slot hole 21 is opened outside the nozzle cartridge 2, and the material blocking head 81 extends into the slot hole 21.

[0013] The lifting and discharging mechanism includes a feeding cylinder 41, a blanking cylinder 42, an up-and-down stroke cylinder 51 and a switching cylinder 52. The output end of the up-and-down stroke cylinder 51 is connected to a lifting frame, on which a switching cylinder 52 and a vertically extending stroke guide rail 43 are installed. A lifting block 4 is installed on the stroke guide rail 43. The output end of the switching cylinder 52 is downwardly connected to the top of the lifting block 4. Horizontally arranged feeding cylinder 41 and blanking cylinder 42 which are both penetrated left and right are respectively provided on the upper and lower parts of the lifting block 4. The output end of the left-and-right stroke cylinder 3 is also connected to a second push rod 32 corresponding to an opening on one side of the blanking cylinder 42.

[0014] According to the above structure, during operation, a plurality of nozzles are loaded into the nozzle cartridge 2; the left-and-right stroke cylinder 3 operates, and a single nozzle is pushed into the feeding cylinder 41 through the first push rod 31; then the up-and-down stroke cylinder 51 descends to a specified position, and the switching cylinder 52 descends to move the feeding cylinder 41 to a coaxial position with the lathe three-jaw chuck (not shown). The feeding cylinder 61 pushes the material into the three-jaw chuck, and then the switching cylinder 52 and the up-and-down stroke cylinder 51 return upward to the initial position. The lathe starts turning processing. After processing, the up-and-down stroke cylinder 51 and the switching cylinder 52 move the blanking cylinder 42 to a coaxial position with the lathe three-jaw chuck. The three-jaw chuck blanking cylinder 62 ejects the nozzle into the blanking cylinder 42, and then the up-and-down stroke cylinder 51 moves upward to the initial position. Then the blanking control cylinder 8 drops a nozzle to be processed into the bottom of the nozzle cartridge 2. The left-and-right stroke cylinder 3 ejects the processed nozzle to the blanking guide groove 7 while feeding a new nozzle to be processed into the feeding cylinder 41, and so on in a cycle.

[0015] The above-mentioned components are all prior arts, and those skilled in the art can use any models and existing designs that can achieve their corresponding functions.

[0016] The above is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the creative concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. A CNC machine tool nozzle feeding mechanism, characterized in that: The invention comprises a nozzle material box (2), a left-right stroke cylinder (3), a lifting and unloading mechanism, a feeding cylinder (61) and a three-jaw chuck blanking cylinder (62) installed on a frame (1), wherein the nozzle material box (2) is located in the middle of the frame (1), and openings for a nozzle to pass through are respectively arranged on both sides of the bottom of the nozzle material box (2), and a left-right stroke cylinder (3) is arranged on the side of the opening on one side of the nozzle material box (2), and the output end of the left-right stroke cylinder (3) is connected to a first push rod (31), and the first push rod (31) is aligned with the opening on one side of the nozzle material box (2), and the lifting and unloading mechanism is arranged on the other side of the nozzle material box (2), and a blanking guide groove (7) is arranged on the side of the lifting and unloading mechanism away from the nozzle material box (2), and the feeding cylinder (61) and the three-jaw chuck blanking cylinder (62) are respectively arranged on both sides below the lifting and unloading mechanism, and a blanking control cylinder (8) is arranged on the outer side of the nozzle material box (2), and the output end of the blanking control cylinder (8) is connected to a material blocking head (81).

2. The CNC machine tool nozzle feeding mechanism according to claim 1, characterized in that: The outer side of the nozzle material box (2) is provided with a slot hole (21) extending upward and downward, and the material blocking head (81) extends into the slot hole (21).

3. The CNC machine tool nozzle feeding mechanism according to claim 1 or 2, characterized in that: The lifting and unloading mechanism comprises a feeding cylinder (41), a blanking cylinder (42), an up-and-down stroke cylinder (51) and a switching cylinder (52), wherein the output end of the up-and-down stroke cylinder (51) is connected to a lifting frame, on which a switching cylinder (52) and a stroke guide rail (43) extending up and down are mounted, and a lifting block (4) is mounted on the stroke guide rail (43), and the output end of the switching cylinder (52) is downwardly connected to the top of the lifting block (4), and the upper and lower parts of the lifting block (4) are respectively provided with a feeding cylinder (41) and a blanking cylinder (42) which are horizontally arranged and pass through left and right, and the output end of the left and right stroke cylinder (3) is also connected to a second push rod (32) corresponding to an opening on one side of the blanking cylinder (42).

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