CN109290419B

CN109290419B - Automatic blank pressing device

Info

Publication number: CN109290419B
Application number: CN201811135068.5A
Authority: CN
Inventors: 陈继胜; 刘军; 林健; 张洪; 敖玉明
Original assignee: Chongqing Jinghui Industrial Service Co Ltd
Current assignee: Chongqing Jinghui Industrial Service Co Ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-01-10
Anticipated expiration: 2038-09-28
Also published as: CN109290419A

Abstract

The invention discloses an automatic blank holder device, which comprises a rotating disc arranged at the top of a machine body, a transmission mechanism arranged at the top of the machine body and close to the outer contour of the rotating disc, a plurality of tool components arranged along the edge of the rotating disc in a circle and used for clamping a workpiece, and a blank holder component arranged on the transmission mechanism, wherein an upper die is arranged on the structure, the upper die arranged at the bottom of a first cylinder is in taper fit with the taper edge of the tapered workpiece, and the upper die and a press-mounting component arranged right below are combined and clamped, so that the workpiece is clamped more stably, on the other hand, the workpiece is processed at higher processing precision due to the high concentricity of spring chucks on the upper die and the press-mounting component, and the arrangement of a second cylinder, a transmission block and a sliding block ensures that the automatic processing is realized after the processing and the processing are finished by the pushing of the second cylinder when the, the driving gear, the transmission gear and the clutch gear are arranged, so that the automation of workpiece replacement in the machining process is ensured, and the machining efficiency is improved.

Description

Automatic blank pressing device

Technical Field

The invention relates to machining equipment for machining, in particular to an automatic edge pressing device.

Background

Blank pressing is common processing technology in machining, generally needs blank pressing department to carry out the blank pressing with the work piece by a terrace die and die cooperation, and blank pressing machine is mostly manual operation among the prior art, and does not have specific solution to the centre gripping of toper work piece and the automatic blank pressing of centre gripping cooperation among the prior art, or degree of automation is not high, leads to the inefficiency to process the precision of work piece low.

Disclosure of Invention

The invention provides an automatic edge pressing device aiming at the defects in the prior art, and the automatic edge pressing device solves the technical problems of low automation degree and low working efficiency of the conventional edge pressing device.

The problems of the present invention are not limited to the above-mentioned objects, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the purpose, the technical scheme of the invention is as follows: an automatic blank pressing device comprises a rotating disc arranged at the top of a machine body, a transmission mechanism arranged at the top of the machine body and close to the outer contour of the rotating disc, a plurality of tool components arranged along the edge of the rotating disc in a circle and used for clamping workpieces, and a blank pressing component arranged on the transmission mechanism;

the transmission mechanism comprises a supporting shell, a second air cylinder arranged in the shell and a fixed block arranged on the side wall of the shell close to the rotating disc, the fixed block is connected with a connecting block on the side wall close to one side of the rotating disc in a sliding manner, a first air cylinder is arranged on the side wall of the connecting block and can drive the first air cylinder to slide up and down through the sliding of the connecting block, the end surface of the top end of the connecting block is lower than the end surface of the top end of the fixed block, a threaded hole is processed on the end surface of the top end of the connecting block, an adjusting block is arranged right above the threaded hole, a screw rod penetrates through the adjusting block and is screwed into the threaded hole to connect the connecting block and the fixed block, a knob is arranged at the top of the screw rod, the lower surface of the knob is in contact with the upper surface of the adjusting block, so that the screw rod can adjust the installation height position of the connecting block, the upper die is matched with a conical edge of a conical workpiece to press the workpiece into the tool part, the edge pressing part comprises a rotating sleeve, a tool rest hinged with the rotating sleeve, a cutter arranged on the tool rest and a sliding block arranged at the tail end of the tool rest, the rotating sleeve is sleeved on a push rod of the first air cylinder, the extending end of the rotating sleeve is hinged with the tool rest through a shaft pin, a screw rod penetrates through the sliding block and is arranged, and the other end of the screw rod is arranged on a transmission block arranged on the push rod of the second air cylinder, so that the second air cylinder pushes the transmission block to move to drive the cutter to move;

the tool part comprises a transmission shaft, a spring chuck arranged in a top hole of the transmission shaft and a transmission gear arranged at the bottom of the transmission shaft, wherein the open end of the spring chuck allows the cylinder end of the conical workpiece to pass through and be clamped tightly, and the concentricity of the upper die and the spring chuck is ensured when the edges are pressed.

Furthermore, a clutch gear is arranged between the rotating disc and the transmission mechanism and is limited at the meshing position of the clutch gear and a transmission gear of the tool component through a cylindrical pin and a spring, so that the transmission gear can collide the clutch gear to enter the next station and automatically mesh and transmit through the spring when the station rotates.

Further, frock part bottom drive gear with set up on the fuselage separation and reunion gear meshing transmission, and separation and reunion gear with drive gear meshing to make frock part drive the work piece rotatory, just drive gear is by the driving motor drive of setting in the fuselage.

Furthermore, the tooling components are 15 groups in total, and the 15 groups of tooling components are respectively arranged on one ring at the edge of the rotating disc in an equiarc manner.

Furthermore, the second cylinder pushes the rotating sleeve to rotate by pushing the transmission block, and the cutter is driven to contact with the blank pressing position of the conical workpiece under the rotation of the rotating sleeve.

The invention has the beneficial effects that: the automatic tool changing device is structurally provided with the upper die, the upper die arranged at the bottom of the first air cylinder is in taper fit with the taper edge of the tapered workpiece, the upper die and the pressing component right below the upper die are combined and clamped, on one hand, the workpiece is clamped more stably due to the matched clamping, on the other hand, the workpiece is higher in machining precision during machining due to the high concentricity of the spring chucks on the upper die and the pressing component, and the second air cylinder, the transmission block and the sliding block are arranged, so that automatic machining is realized after machining and machining are finished due to the pushing of the second air cylinder during workpiece machining, the machining efficiency is improved, the automation of changing the workpiece in the machining process is ensured due to the arrangement of the driving gear, the transmission gear and the clutch gear, and the.

Drawings

FIG. 1 is an overall structure view of the present invention

FIG. 2 is an enlarged view of the structure at the point I in FIG. 1

FIG. 3 is a side view of the present invention

FIG. 4 is an enlarged view of the structure at A in FIG. 3

FIG. 5 is a view showing the structure of the blank holder with work according to the present invention

FIG. 6 is a schematic view of the upper mold of the first cylinder

FIG. 7 is a view showing a press-fitting part structure

FIG. 8 is a view showing a positioning structure of a cylindrical pin

FIG. 9 is a view showing the structure of a cylindrical pin

Element number description: the machine body comprises a machine body top 1, a rotating disc 2, a tooling component 3, a first air cylinder 4, a connecting block 5, a fixed block 6, a screw rod 7, a knob 8, an adjusting block 9, a supporting shell 10, a second air cylinder 11, a rotating sleeve 12, a tool rest 13, a cutter 14, a spring chuck 15, a screw rod 16, a transmission block 17, a transmission gear 18, a clutch gear 19, a driving gear 20, a shaft pin 21, a conical workpiece 22, an upper die 23, a sliding block 24, a transmission shaft 25, a cylindrical pin 26 and a spring 27.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in figure 1, the automatic edge pressing device comprises a rotating disc 2 arranged at the top 1 of a machine body, a transmission mechanism arranged at the top 1 of the machine body and close to the outer contour of the rotating disc 2, a plurality of tool parts 3 arranged along the edge of the rotating disc 2 in a circle and used for clamping a workpiece, and edge pressing parts arranged on the transmission mechanism.

The transmission mechanism comprises a supporting shell 10, a second air cylinder 11 arranged in the shell, and a fixed block 6 arranged on the shell and leaning on one side wall of the rotating disc 2, wherein the fixed block 6 is connected with a connecting block 5 on the side wall leaning on one side of the rotating disc 2 in a sliding way, a first air cylinder 4 is arranged on the side wall of the connecting block 5, the first air cylinder 4 can be driven to slide up and down through the sliding of the connecting block 5, the end surface of the top end of the connecting block 5 is lower than the end surface of the top end of the fixed block 6, a threaded hole is processed on the end surface of the top end of the connecting block 5, an adjusting block 9 is arranged right above the threaded hole, a screw rod 7 penetrates through the adjusting block 9 to be screwed into the threaded hole to connect the connecting block 5 with the fixed block 6, a knob 8 is arranged at the top of the screw rod 7, and the lower surface of the knob 8 is in contact, the bottom of the first cylinder 4 is provided with a blank pressing component and an upper die 23 used for clamping a conical workpiece 22, the upper die 23 is matched with the conical edge of the conical workpiece 22 to press the workpiece into the tool component 3, the blank pressing component comprises a rotating sleeve 12, a tool rest 13 hinged with the rotating sleeve 12, a cutter 14 arranged on the tool rest 13 and a sliding block 24 arranged at the tail end of the tool rest 13, the rotating sleeve 12 is sleeved on a push rod of the first cylinder 4, wherein the extending end of the rotating sleeve 12 is hinged with the tool rest 13 through a shaft pin 21, a screw 16 is arranged on the sliding block 24 in a penetrating mode, and the other end of the screw 16 is arranged on a transmission block 17 arranged on the push rod of the second cylinder 11, so that the second cylinder 11 pushes the transmission block 17 to move to drive the cutter 14 to move.

As shown in fig. 3-5, the tooling component 3 includes a transmission shaft 25, a collet chuck 27 arranged in a top hole of the transmission shaft 25, and a transmission gear 18 arranged at the bottom of the transmission shaft 25, an open end of the collet chuck 27 allows a cylindrical end of the conical workpiece 22 to pass through and be clamped, and concentricity between the upper die 23 and the collet chuck 27 is ensured during edge pressing. The arrangement of the screw rod 7 and the adjusting block 9 enables the first air cylinder 4 to slide up and down along the connecting block 5, so that the stroke range of the first air cylinder 4 is increased, and when conical workpieces 22 of different specifications and models are machined, the conical workpieces can be suitable for the workpieces of different specifications only by arranging the adjusting knob 8, so that the applicability of the invention is improved. The second cylinder 11, the screw 16 and the transmission block 17 are arranged so that when the station rotates to the position below the first cylinder 4, the second cylinder 11 pushes the transmission block 17 to enable the cutter 14 to automatically contact and keep away from the workpiece, machining automation is achieved, and machining efficiency is improved.

Further, as shown in fig. 6-9, a clutch gear 19 is arranged between the rotary disk 2 and the transmission mechanism, and the clutch gear 19 is limited at the meshing position with the transmission gear 18 of the tooling component 3 through a cylindrical pin 26 and a spring 27, so that the transmission gear 18 can be collided with the clutch gear 19 to enter the next working position and automatically mesh and transmit through the spring 27 when the working position is rotated. The cooperation of the gears enables the transmission gear 18 to be driven to rotate through the driving gear 20 after machining is finished, and then the press-fitting station can be rotated, so that automatic workpiece replacement is realized.

Further, as shown in fig. 4, the transmission gear 18 at the bottom of the tool component 3 is in meshing transmission with the clutch gear 19 arranged on the machine body, and the clutch gear 19 is meshed with the driving gear 20, so that the tool component 3 drives the workpiece to rotate, and the driving gear 20 is driven by a driving motor arranged in the machine body. The meshing of the gears ensures automatic processing and station circulation of the workpiece.

Furthermore, the tooling components 3 have 15 groups in total, and the 15 groups of tooling components 3 are respectively arranged on one circle of the edge of the rotating disc 2 in an equal arc manner. The arrangement of the plurality of press-fitting components improves the overall machining efficiency.

Further, the second cylinder 11 pushes the rotating sleeve 12 to rotate by pushing the transmission block 17, and drives the cutter 14 to contact with the blank pressing position of the conical workpiece 22 under the rotation of the rotating sleeve 12. The automation of workpiece processing is realized, and the processing efficiency is improved.

The operation of the embodiment configured as described above is explained below:

the invention relates to an automatic edge pressing device which comprises a rotating disc (2), a transmission mechanism, a plurality of tool components (3) and edge pressing components, wherein the tool components are arranged along the edge of the rotating disc (2) in a circle and used for clamping workpieces, and the edge pressing components are shown in the specific composition structure (shown in figures 1-2). The working principle is that the rotating disc 2 drives the press-fitting component to drive the workpiece to rotate on the rotating disc 2, the second cylinder 11 is pushed to drive the cutter 14 to contact the workpiece, and then the press-fitting component is rotated to press the workpiece. The specific operation procedures are as follows: two adjustable stroke cylinders are used as main driving force. The first air cylinder 4 presses the upper die 23 to a designated position on the taper edge of the workpiece, then the upper die is pressed down and pressed into the spring 27 chuck 15 in the press-fitting component for pressing, the driving gear 20 drives the transmission gear 18 to rotate, the workpiece is further driven to rotate, and then the side air cylinder pushes the cutter 14 to the position of the edge pressing opening of the workpiece for pressing. And after the workpiece completes the whole-circle rotation, completing edge pressing. The side cylinder drives the cutter 14 to return to the original position, the first cylinder 4 pulls the upper die 23 away from the workpiece, the workpiece is disengaged, and the rotary table rotates to replace the station and then enters the next processing cycle.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An automatic edge pressing device is characterized by comprising a rotating disc (2) arranged at the top (1) of a machine body, a transmission mechanism arranged at the top (1) of the machine body and close to the outer contour of the rotating disc (2), a plurality of tool parts (3) arranged along the edge of the rotating disc (2) in a circle and used for clamping a workpiece, and edge pressing parts arranged on the transmission mechanism;

the transmission mechanism comprises a supporting shell (10), a second air cylinder (11) arranged in the shell, and a fixing block (6) arranged on the side wall of the shell leaning on the rotating disc (2), wherein the fixing block (6) is connected with a connecting block (5) on the side wall leaning on one side of the rotating disc (2) in a sliding way, a first air cylinder (4) is arranged on the side wall of the connecting block (5), the first air cylinder (4) can be driven to slide up and down through the sliding of the connecting block (5), the top end face of the connecting block (5) is lower than the top end face of the fixing block (6), a threaded hole is processed on the end face of the top end of the connecting block (5), an adjusting block (9) is arranged right above the threaded hole, a screw rod (7) penetrates through the adjusting block (9) to be screwed into the threaded hole to connect the connecting block (5) and the fixing block (6), and a knob (8) is, the lower surface of the knob (8) is in contact with the upper surface of the adjusting block (9), so that the mounting height position of the connecting block (5) can be adjusted by the screw rod (7) when the knob (8) is rotated, the bottom end of the first air cylinder (4) is provided with a blank pressing component and an upper die (23) for clamping a conical workpiece (22), the upper die (23) is matched with the conical edge of the conical workpiece (22) to press the workpiece into the tool component (3), the blank pressing component comprises a rotating sleeve (12), a knife rest (13) hinged with the rotating sleeve (12), a cutter (14) arranged on the knife rest (13) and a sliding block (24) arranged at the tail end of the knife rest (13), the rotating sleeve (12) is sleeved on a push rod of the first air cylinder (4), wherein the extending end of the rotating sleeve (12) is hinged with the knife rest (13) through a shaft pin (21), and a screw rod (16) is arranged through the sliding block (24), the other end of the screw rod (16) is arranged on a transmission block (17) arranged on a push rod of the second air cylinder (11), so that the second air cylinder (11) pushes the transmission block (17) to move to drive the cutter (14) to move;

the tool component (3) comprises a transmission shaft (25), a spring chuck (15) arranged in a top hole of the transmission shaft (25) and a transmission gear (18) arranged at the bottom of the transmission shaft (25), wherein the open end of the spring chuck (15) allows the cylinder end of the conical workpiece (22) to pass through and be clamped tightly, and the concentricity of the upper die (23) and the spring chuck (15) is ensured during blank pressing.

2. Automatic beading device according to claim 1, characterized in that a clutch gear (19) is arranged between the rotary disk (2) and the transmission mechanism, and the clutch gear (19) defines itself by means of a cylindrical pin (26) and a spring (27) in a position of engagement with the transmission gear (18) of the tooling part (3), so that in a rotating station the transmission gear (18) will hit the clutch gear (19) to enter the next station and be automatically engaged for transmission by means of the spring (27).

3. The automatic edge pressing device according to claim 2, wherein a transmission gear (18) at the bottom of the tool part (3) is in meshing transmission with a clutch gear (19) arranged on the machine body, the clutch gear (19) is meshed with the driving gear (20), so that the tool part (3) drives the workpiece to rotate, and the driving gear (20) is driven by a driving motor arranged in the machine body.

4. The automatic beading device according to claim 1, wherein the tooling members (3) have 15 groups in total, and the 15 groups of tooling members (3) are respectively arranged on a circle at the edge of the rotating disc (2) in an equiarc manner.

5. The automatic beading device according to claim 1, wherein the second air cylinder (11) pushes the rotating sleeve (12) to rotate by pushing the driving block (17), and the rotating sleeve (12) rotates to drive the cutter (14) to contact the beading position of the conical workpiece (22).