Chamfering machine for die precision machining

Abstract

The utility model belongs to the field of chamfering machines, and particularly relates to a die precision machining chamfering machine which comprises a base, the upper end of the base is fixedly connected with two fixing frames which are symmetrically distributed front and back, the base is provided with a replacement mechanism, the upper end of the base is fixedly connected with two supporting rails which are symmetrically distributed front and back, and the two supporting rails are fixedly connected with a clamping mechanism. A dust collecting box is fixedly connected into the base, a dust collector is fixedly connected to the upper end of the dust collecting box, and a connecting pipe is fixedly connected to the output end of the dust collector. The square rod seat, the rotating cover, the supporting seat and other structures are additionally arranged on the base, the square rod of the square rod seat can be driven by the elastic force of the spring to slide into the square hole of the grinding wheel, and the grinding wheel is propped against the outer side of the square block of the supporting seat through the elastic force, so that the grinding wheel can be mounted; and therefore, the grinding wheel can be more convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of chamfering machines, in particular to a chamfering machine for precision machining of moulds. Background Art

[0002] According to the patent authorization announcement number: CN217413422U, a chamfering machine for precision machining of molds is proposed. The utility model relates to the technical field of mold machining, and in particular to a chamfering machine for precision machining of molds. By installing this equipment, the equipment can be adjusted according to requirements to perform chamfers of different sizes on the mold to meet the diversification of mold machining, thereby facilitating its installation and improving its practicality; it includes a column, a first swivel seat, a swivel arm, a telescopic rod, a second swivel seat, a rotating shaft, a clamping frame, a first screw ring, a first screw, a rotating disk, a clamping plate, a motor seat, a motor, a grinding wheel and a controller. The first swivel seat can be rotatably mounted on the top of the column, the swivel arm is mounted on the right end of the first swivel seat, the telescopic rod and the swivel arm are slidably connected, the second swivel seat is mounted on the right end of the telescopic rod, the rotating shaft is rotatably connected to the second swivel seat, the turntable is mounted on the top of the first screw, the clamping plate is rotatably mounted on the bottom of the first screw, the motor is mounted on the top of the motor seat, the grinding wheel is mounted on the output end of the motor, the controller is mounted on the right end of the motor seat, and the controller is electrically connected to the motor.

[0003] However, the chamfering machine in the prior art grinds the surface of the workpiece by means of a grinding wheel during use. The grinding wheel is a consumable during use and needs to be replaced regularly. However, the grinding wheel in the prior art is installed on the rotating mechanism by bolts, and the disassembly is cumbersome, which affects the efficiency of the device. In addition, dust is generated during the grinding process, which can affect the health of the operator after inhalation. Therefore, the prior art needs to be improved. Utility Model Content

[0004] The utility model aims to provide a chamfering machine for precision machining of molds, which solves the problems that the grinding wheel is inconvenient to replace and dust affects the health of operators.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chamfering machine for precision processing of molds, comprising a base, the upper end of the base is fixedly connected to two front-to-back symmetrically distributed fixing frames, the base is provided with a replacement mechanism, the upper end of the base is fixedly connected to two front-to-back symmetrically distributed supporting rails, the interior of the base is fixedly connected to a dust box, the upper end of the dust box is fixedly connected to a vacuum cleaner, the output end of the vacuum cleaner is fixedly connected to a connecting pipe, the upper left end of the base is fixedly connected to an absorption hood, the lower end of the absorption hood is fixedly connected to a negative pressure pipe, the upper end of the base is fixedly connected to two front-to-back symmetrically distributed guide frames, the outer sides of the two guide frames are slidably connected to a push plate, and the upper end of the push plate is hinged to a lower pressure frame.

[0006] Preferably, the negative pressure pipe is fixedly connected to the dust collecting box, and the connecting pipe is fixedly connected to the dust collecting box, and the negative pressure pipe can transmit the suction force.

[0007] Preferably, a rubber block is fixedly connected to the lower end of the lower pressing frame, the pushing plate is slidably connected to the supporting rail, and the rubber block can perform extrusion and position limiting on the mold.

[0008] Preferably, the replacement mechanism includes a support seat, a motor is fixedly installed on the upper end of the base, a support seat is installed inside the fixed frame close to the motor through a bearing, a gear 1 is fixedly connected to the outside of the support seat, a gear 2 is fixedly connected to the outside of the output shaft of the motor, a grinding wheel is slidably connected to the outside of the outer square block of the support seat, a rotating cover is installed inside the fixed frame away from the motor through a bearing, a square rod seat is slidably connected to the inside of the rotating cover, a pull ring rod is fixedly connected to the side of the square rod seat away from the grinding wheel, a spring is provided on the outside of the rod of the pull ring rod, and the support seat can drive the grinding wheel to rotate.

[0009] Preferably, the gear one is meshed with the gear two, the square rod seat is slidably connected to the grinding wheel, the pull ring rod is slidably connected to the rotating cover, and the pull ring rod can drive the square rod seat to move.

[0010] Preferably, one end of the spring is fixedly connected to the square rod seat, and the other end of the spring is fixedly connected to the rotating cover, and the spring can drive the square rod seat to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds structures such as a square rod seat, a rotating cover and a supporting seat on the base, and can drive the square rod of the square rod seat to slide into the square hole of the grinding wheel through the elastic force of the spring, and push the grinding wheel against the outside of the square block of the supporting seat through the elastic force, so as to complete the installation of the grinding wheel. When disassembly is required, it only needs to separate the square rod seat from the grinding wheel to complete the disassembly of the grinding wheel, so that the grinding wheel can be more convenient to replace.

[0013] 2. The utility model adds structures such as a dust box, a vacuum cleaner and an absorption hood on the base. During the process of grinding and chamfering the mold, the interior of the dust box can be evacuated by the vacuum cleaner. After the interior of the dust box is evacuated, the absorption hood can generate suction, and the suction can absorb the grinding area, thereby effectively absorbing the dust and effectively preventing the operator from inhaling it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0015] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0016] Figure 3 For the utility model Figure 1 A three-dimensional diagram of a fixing frame;

[0017] Figure 4 For the utility model Figure 3 Three-dimensional diagram of the grinding wheel structure.

[0018] In the figure: 1. base; 2. fixing frame; 3. replacement mechanism; 4. support rail; 5. dust box; 6. vacuum cleaner; 7. connecting pipe; 8. negative pressure pipe; 9. absorption cover; 10. guide frame; 11. push plate; 12. lower pressure frame; 13. rubber block; 31. support seat; 32. gear 1; 33. motor; 34. gear 2; 35. grinding wheel; 36. rotating cover; 37. square rod seat; 38. pull ring rod; 39. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3 A chamfering machine for precision machining of molds comprises a base 1, the upper end of the base 1 is fixedly connected to two front-to-back symmetrically distributed fixing frames 2, a replacement mechanism 3 is arranged on the base 1, the upper end of the base 1 is fixedly connected to two front-to-back symmetrically distributed supporting rails 4, a dust collecting box 5 is fixedly connected inside the base 1, a dust collector 6 is fixedly connected to the upper end of the dust collecting box 5, a connecting pipe 7 is fixedly connected to the output end of the dust collector 6, an absorption cover 9 is fixedly connected to the left upper end of the base 1, a negative pressure pipe 8 is fixedly connected to the lower end of the absorption cover 9, the upper end of the base 1 is fixedly connected to two front-to-back symmetrically distributed guide frames 10, the outer sides of the two guide frames 10 are slidably connected to a push plate 11 together, and a lower pressure frame 12 is hinged at the upper end of the push plate 11.

[0021] See also Figure 1 , Figure 2 The negative pressure pipe 8 is fixedly connected to the dust collecting box 5, the connecting pipe 7 is fixedly connected to the dust collecting box 5, the negative pressure pipe 8 can transmit the suction force, the lower end of the lower pressing frame 12 is fixedly connected with a rubber block 13, the pushing plate 11 is slidably connected to the support rail 4, and the rubber block 13 can extrude and limit the mold.

[0022] See also Figure 1 , Figure 3 , Figure 4 The replacement mechanism 3 includes a support seat 31, a motor 33 is fixedly installed on the upper end of the base 1, the support seat 31 is installed inside the fixed frame 2 close to the motor 33 through a bearing, a gear 1 32 is fixedly connected to the outside of the support seat 31, a gear 2 34 is fixedly connected to the outside of the output shaft of the motor 33, a grinding wheel 35 is slidably connected to the outside of the square block outside the support seat 31, a rotating cover 36 is installed inside the fixed frame 2 away from the motor 33 through a bearing, a square rod seat 37 is slidably connected inside the rotating cover 36, and the square rod seat 37 is away from the grinding wheel 3 A pull ring rod 38 is fixedly connected to one side of 5, and a spring 39 is arranged on the outside of the rod of the pull ring rod 38. The support seat 31 can drive the grinding wheel 35 to rotate, the gear 1 32 is meshed with the gear 2 34, the square rod seat 37 is slidably connected with the grinding wheel 35, the pull ring rod 38 is slidably connected with the rotating cover 36, the pull ring rod 38 can drive the square rod seat 37 to move, one end of the spring 39 is fixedly connected with the square rod seat 37, and the other end of the spring 39 is fixedly connected with the rotating cover 36. The spring 39 can drive the square rod seat 37 to automatically reset through elastic force.

[0023] The specific implementation process of the utility model is as follows: when in use, the pull ring rod 38 is pulled, and the pull ring rod 38 drives the square rod seat 37 to move and compresses the spring 39. When the square rod seat 37 is separated from the grinding wheel 35, the grinding wheel 35 can be removed from the support seat 31, and then a new grinding wheel 35 is placed on the outside of the support seat 31, and then the pull ring rod 38 is released, and the spring 39 is reset. The spring 39 can drive the square rod of the square rod seat 37 to be inserted into the inside of the grinding wheel 35 through elastic force, so that the grinding wheel 35 can be easily replaced;

[0024] After the replacement is completed, the motor 33 is started, and the motor 33 drives the gear 2 34 to rotate. The gear 2 34 can drive the support seat 31 to rotate through the gear 1 32. The support seat 31 can drive the grinding wheel 35 to rotate through the outer square block. During the rotation of the grinding wheel 35, the mold is placed between the two support rails 4, and then the lower pressure frame 12 is flipped downward. The lower pressure frame 12 presses the rubber block 13 on the outside of the mold, and then drives the mold to move through the push plate 11. After the mold contacts the grinding wheel 35 during the movement, the mold can be grinded and chamfered.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chamfering machine for precision machining of molds, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to two front-to-back symmetrically distributed fixing frames (2), the base (1) is provided with a replacement mechanism (3), the upper end of the base (1) is fixedly connected to two front-to-back symmetrically distributed supporting rails (4), the interior of the base (1) is fixedly connected to a dust collecting box (5), the upper end of the dust collecting box (5) is fixedly connected to a dust collector (6), the output end of the dust collector (6) is fixedly connected to a connecting pipe (7), the upper left part of the base (1) is fixedly connected to an absorption cover (9), the lower end of the absorption cover (9) is fixedly connected to a negative pressure pipe (8), the upper end of the base (1) is fixedly connected to two front-to-back symmetrically distributed guide frames (10), the outer sides of the two guide frames (10) are slidably connected to a push plate (11), and the upper end of the push plate (11) is hinged to a lower pressure frame (12).

2. A chamfering machine for precision machining of molds according to claim 1, characterized in that: The negative pressure pipe (8) is fixedly connected to the dust collecting box (5), and the connecting pipe (7) is fixedly connected to the dust collecting box (5).

3. The chamfering machine for precision machining of molds according to claim 1, characterized in that: A rubber block (13) is fixedly connected to the lower end of the lower pressing frame (12), and the pushing plate (11) is slidably connected to the supporting rail (4).

4. The chamfering machine for precision machining of molds according to claim 1, characterized in that: The replacement mechanism (3) comprises a support seat (31), a motor (33) is fixedly mounted on the upper end of the base (1), a support seat (31) is mounted inside a fixed frame (2) close to the motor (33) via a bearing, a gear 1 (32) is fixedly connected to the outside of the support seat (31), a gear 2 (34) is fixedly connected to the outside of the output shaft of the motor (33), a grinding wheel (35) is slidably connected to the outside of the square block outside the support seat (31), a rotating cover (36) is mounted inside the fixed frame (2) away from the motor (33) via a bearing, a square rod seat (37) is slidably connected inside the rotating cover (36), a pull ring rod (38) is fixedly connected to the side of the square rod seat (37) away from the grinding wheel (35), and a spring (39) is arranged on the outside of the rod member of the pull ring rod (38).

5. The chamfering machine for precision machining of molds according to claim 4, characterized in that: The gear one (32) is meshed with the gear two (34), the square rod seat (37) is slidably connected with the grinding wheel (35), and the pull ring rod (38) is slidably connected with the rotating cover (36).

6. The chamfering machine for precision machining of molds according to claim 4, characterized in that: One end of the spring (39) is fixedly connected to the square rod seat (37), and the other end of the spring (39) is fixedly connected to the rotating cover (36).

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