Round corner machine

Abstract

The utility model discloses a round corner machine, and particularly relates to the technical field of round corner devices, the round corner machine comprises a basic assembly, a round corner cutting assembly is fixedly installed at the top end of the basic assembly, the basic assembly comprises a cross-shaped bottom plate, and two positioning plates are fixedly installed on the periphery of the middle of the top face of the cross-shaped bottom plate. According to the round corner machine, four round corner cutting tool bits can synchronously descend to synchronously conduct round corner cutting operation on one corner of each of four workpieces to be machined, four stations conduct machining synchronously, and the operation efficiency of the round corner machine can be effectively improved; and meanwhile, the positions of the four fillet cutting tool bits are turned by controlling the four fillet cutting tool bits to rotate, so that the corresponding fillet cutting tool bits can be rotated to the positions above the notches, then the rotating shafts are fixed through the fixing screw rods, then the fillet cutting tool bits of different specifications can be conveniently replaced, and practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a round corner device technical field, concretely is a round corner machine. BACKGROUND

[0002] The round corner machine is used for cutting various paper products such as books, envelopes, trademarks and notebooks, and is a mechanical equipment for the round corner cutting of soft material products such as paper, leather, PVC, hang tags and notebook.

[0003] At present, when people perform rounding, the mode usually adopted is that people first fix the workpiece to be processed to the equipment by using a feeding clamp hand, and then perform rounding.

[0004] However, the round corner module at both ends of the traditional round corner machine is usually fixed and cannot be adjusted, so it can only be used for rounding of a single size workpiece, has poor adaptability, cannot meet the use requirements of people, and the steps for replacing different round corner modules are relatively cumbersome. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a round corner machine to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a round corner machine, comprising a base assembly, a round corner cutting assembly is fixedly installed at the top end of the base assembly, the base assembly comprises a cross-shaped bottom plate, two positioning plates are fixedly installed around the top surface middle part of the cross-shaped bottom plate, and notches are formed around the top surface middle part of the cross-shaped bottom plate.

[0007] The round corner cutting assembly comprises a hydraulic cylinder, a round sleeve is fixedly sleeved at the output shaft top end of the hydraulic cylinder, four mounting plates are fixedly installed on the side surface of the round sleeve, rotating shafts are rotatably inserted at the top surface of the four mounting plates away from the edge of the round sleeve, four mounting branch plates are fixedly installed on the side surface bottom of the rotating shafts, four round rods are fixedly inserted at the top surface of the four mounting branch plates away from the edge of the rotating shafts, round corner cutting tool bits are fixedly installed at the bottom ends of the four round rods, two adapter threaded openings are formed in the side surface top of the four rotating shafts, fixed screw rods are threadedly inserted in the adapter threaded openings, fixed vertical plates are fixedly installed on one side of the top surface middle part of the four mounting plates, and limiting threaded openings are formed in the outer side surface middle part of the fixed vertical plates.

[0008] Preferably, the two positioning plates arranged on the same side are arranged in an eight-shaped manner, and the notches are located between the two positioning plates arranged on the same side.

[0009] Preferably, the four mounting plates and the four mounting branches are arranged in a cross shape, and the two adapter threaded ports are arranged at an angle of 90 degrees.

[0010] Preferably, the four fixing screws correspond to the four limiting threaded ports one by one, and one end of the fixing screw is screwed into the limiting threaded port arranged on the same side through the adapter threaded port.

[0011] Preferably, the hydraulic cylinder is fixedly embedded at the center of the top surface of the cross-shaped bottom plate.

[0012] Preferably, the four chamfering tool bits correspond to the four notches one by one, and the chamfering tool bit is located directly above the notch.

[0013] Compared with the prior art, the chamfering machine has the beneficial effects that:

[0014] The chamfering machine can simultaneously perform chamfering operation on one corner of four workpieces through synchronous descending of the four chamfering tool bits, and four workstations can simultaneously perform machining, so that the working efficiency of the chamfering machine is effectively improved, and the fixed screw is used to fix the rotating shaft, so that the replacement of chamfering tool bits of different specifications can be conveniently completed, and the practicality is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the basic assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the chamfering assembly of the utility model.

[0019] In the drawing: 1, basic assembly; 101, cross-shaped bottom plate; 102, positioning plate; 103, notch; 2, chamfering assembly; 201, hydraulic cylinder; 202, round sleeve; 203, mounting plate; 204, rotating shaft; 205, mounting branch; 206, round rod; 207, chamfering tool bit; 208, adapter threaded port; 209, fixing screw; 210, fixing vertical plate; 211, limiting threaded port. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] As shown in Figures 1-4 The utility model provides a technical scheme: including basic assembly 1, the top fixed mounting of basic assembly 1 has cut round corner subassembly 2, basic assembly 1 includes cross -shaped bottom plate 101, two locating plates 102 are fixedly installed around the top surface middle part of cross -shaped bottom plate 101, the recess 103 is set up around the top surface middle part of cross -shaped bottom plate 101,

[0022] Cut round corner subassembly 2 includes hydraulic cylinder 201, the output shaft top of hydraulic cylinder 201 is fixedly sleeved with round sleeve 202, four installing plates 203 are fixedly installed on the side of round sleeve 202, the top surface of four installing plates 203 is rotatably inserted with shaft 204 at the edge of one end away from round sleeve 202, four installing branch plates 205 are fixedly installed on the side bottom of shaft 204, four round rods 206 are fixedly inserted in the top surface of four installing branch plates 205 away from shaft 204 one end edge, four round corner cutter heads 207 are fixedly installed at the bottom of four round rods 206, two transfer screw holes 208 are set up on the side top of four shafts 204, and a fixed screw rod 209 is screwed in one transfer screw hole 208, a fixed vertical plate 210 is fixedly installed on the top surface middle part of four installing plates 203, a limiting screw hole 211 is formed in the middle of the outer side of fixed vertical plate 210, the hydraulic cylinder 201 is fixedly embedded in the top surface center of cross -shaped bottom plate 101, and the hydraulic cylinder 201 is started, under the action of the hydraulic cylinder 201, the round sleeve 202 will descend, the four installing plates 203 can be driven to descend by the descending of the round sleeve 202, the four installing plates 203 will drive the four shafts 204 to descend, the four installing branch plates 205 can be driven to descend by the descending of the four shafts 204, the four round corner cutter heads 207 above the recess 103 can be driven to descend by the descending of the four installing branch plates 205, and the four round corner cutter heads 207 can be simultaneously cut round corner operation at the corner of the four workpieces by the synchronous descending of the four round corner cutter heads 207, so that the working efficiency of the round corner machine is effectively improved.

[0023] In the embodiment, the two locating plates 102 arranged on the same side are arranged in an eight-shaped manner, and the recess 103 is located between the two locating plates 102 arranged on the same side. The locating plate 102 can play a positioning role, so that the corner of the workpiece can be exactly in the processing position.

[0024] The four mounting plates 203 and the four mounting branches 205 are arranged in a cross shape, and the two adapter threaded ports 208 are arranged at an angle of 90 degrees.

[0025] The four fixing screws 209 correspond to the four limiting threaded ports 211, one end of the fixing screw 209 is screwed into the limiting threaded port 211 arranged on the same side through the adapter threaded port 208, the fixing screw 209 is unscrewed, after the fixing screw 209 is removed, the rotating shaft 204 is manually rotated, the rotating shaft 204 is rotated to drive the four mounting branches 205 to rotate, thereby the four chamfering tool bits 207 are rotated, the positions of the four chamfering tool bits 207 are changed by controlling the rotation of the four chamfering tool bits 207, so that the corresponding chamfering tool bit 207 is rotated to the top of the notch 103, then the fixing screw 209 is inserted into the corresponding adapter threaded port 208, one end of the fixing screw 209 is screwed into the limiting threaded port 211 arranged on the surface of the fixed vertical plate 210, thereby the replacement of the chamfering tool bits 207 of different specifications is conveniently completed.

[0026] The four chamfering tool bits 207 correspond to the four notches 103, the chamfering tool bits 207 are located above the notches 103, the four workpieces are simultaneously chamfered by the synchronous downward movement of the four chamfering tool bits 207, thereby the working efficiency of the chamfering machine is effectively improved.

[0027] In use, the corner of the workpiece to be chamfered is placed between the two positioning plates 102 on the same side by using a feeding clamp or manually, so that the two side surfaces of the corner of the workpiece are respectively attached to the inner side surfaces of the two positioning plates 102, then the hydraulic cylinder 201 is started, under the action of the hydraulic cylinder 201, the circular sleeve 202 is lowered, the four mounting plates 203 are lowered by the downward movement of the circular sleeve 202, the four rotating shafts 204 are lowered by the downward movement of the four mounting plates 203, the four mounting branches 205 are lowered by the downward movement of the four rotating shafts 204, the four chamfering tool bits 207 located above the notches 103 are lowered by the downward movement of the four mounting branches 205, the four workpieces are simultaneously chamfered by the synchronous downward movement of the four chamfering tool bits 207, thereby the working efficiency of the chamfering machine is effectively improved.

[0028] Meanwhile, different specifications of the corner cutting tool head 207 can be conveniently replaced according to the corner shape requirements of the workpiece, specifically, the fixed screw rod 209 is manually unscrewed, after the fixed screw rod 209 is removed, the rotating shaft 204 is manually rotated, the rotating shaft 204 is rotated to drive the four mounting plates 205 to rotate, thereby the four corner cutting tool heads 207 can be rotated, the positions of the four corner cutting tool heads 207 are changed by controlling the rotation of the four corner cutting tool heads 207, so that the corresponding corner cutting tool head 207 is rotated to the upper side of the notch 103, then the fixed screw rod 209 is inserted into the corresponding adapter threaded hole 208, the one end of the fixed screw rod 209 is screwed into the limiting threaded hole 211 on the surface of the fixed vertical plate 210, thereby the replacement of the different specifications of the corner cutting tool head 207 can be conveniently completed.

[0029] In summary, the corner machine can simultaneously cut the corners of the four workpieces through the synchronous downward movement of the four corner cutting tool heads 207, the four workstations are simultaneously processed to effectively improve the working efficiency of the corner machine, the positions of the four corner cutting tool heads 207 are changed by controlling the rotation of the four corner cutting tool heads 207, so that the corresponding corner cutting tool head 207 is rotated to the upper side of the notch 103, then the rotating shaft 204 is fixed by the fixed screw rod 209, thereby the replacement of the different specifications of the corner cutting tool head 207 can be conveniently completed, and the practicability is stronger.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model.

Claims

1. A rounding machine comprising a base assembly (1), characterized in that The top end of the base assembly (1) is fixedly installed with a corner cutting assembly (2), the base assembly (1) comprises a cross-shaped bottom plate (101), the top surface of the cross-shaped bottom plate (101) is fixedly installed with two positioning plates (102) around the middle part, and notches (103) are formed around the middle part of the top surface of the cross-shaped bottom plate (101); The corner cutting assembly (2) comprises a hydraulic cylinder (201), the output shaft of the hydraulic cylinder (201) is fixedly sleeved with a round sleeve (202), the side surface of the round sleeve (202) is fixedly installed with four mounting plates (203), the top surface of the four mounting plates (203) is rotatably inserted with a rotating shaft (204) at the edge of one end away from the round sleeve (202), the side surface of the rotating shaft (204) is fixedly installed with four mounting branch plates (205), the top surface of the four mounting branch plates (205) is fixedly inserted with four round rods (206) at the edge of one end away from the rotating shaft (204), the bottom end of the four round rods (206) is fixedly installed with a corner cutting tool bit (207), the side surface of the four rotating shafts (204) is formed with two adapter threaded openings (208) at the top, a fixed screw rod (209) is threadedly inserted into one of the adapter threaded openings (208), and the top surface of the four mounting plates (203) is fixedly installed with a fixed vertical plate (210) on one side of the middle part, the outer side surface of the fixed vertical plate (210) is formed with a limiting threaded opening (211) in the middle part.

2. A corner rounding machine according to claim 1, characterized in that The two positioning plates (102) arranged on the same side are arranged in a figure-of-eight shape, and the notches (103) are located between the two positioning plates (102) arranged on the same side.

3. A corner rounding machine according to claim 1, wherein The four mounting plates (203) and the four mounting branch plates (205) are arranged in a cross shape, and the two adapter threaded openings (208) are arranged at an angle of 90 degrees.

4. A corner rounding machine according to claim 1, wherein The four fixed screw rods (209) correspond to the four limiting threaded openings (211) one-to-one, and one end of the fixed screw rod (209) passes through the adapter threaded opening (208) and is threadedly connected into the limiting threaded opening (211) arranged on the same side.

5. A corner rounding machine according to claim 1, wherein The hydraulic cylinder (201) is fixedly embedded at the center of the top surface of the cross-shaped bottom plate (101).

6. A corner rounding machine according to claim 1, wherein The four corner cutting tool bits (207) correspond to the four notches (103) one-to-one, and the corner cutting tool bit (207) is located directly above the notch (103).

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