Intelligent mute press

Abstract

The utility model relates to the technical field of pressing machines, in particular to an intelligent mute pressing machine which comprises a base, a left stand column and a right stand column are fixed to the top of the base, a lifting seat is installed on the left stand column and the right stand column, an assembling groove which is communicated up and down is formed in the front side of the lifting seat, and a sliding block assembly is arranged in the assembling groove. The sliding block assembly comprises sliding rails fixed to the left side and the right side of the assembling groove and a sliding block sliding between the left sliding rail and the right sliding rail, a fan-shaped driving cavity is formed in the back of the sliding block, a machine head is fixed to the bottom end of the sliding block, a cam is installed in the fan-shaped driving cavity, and the cam is connected with the machine head. The edge of the cam slides on the cavity wall of the fan-shaped driving cavity, an assembling hole is formed in the back side of the cam, the cam and the sliding block are in surface contact, the assembling relation is simpler and more convenient, the structure is simple, stable lifting of the sliding block can be guaranteed when the cam transmits power to the sliding block in the surface contact mode, and the service life of the sliding block is prolonged. And the control precision is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of press, especially intelligent mute press. BACKGROUND

[0002] Intelligent mute press is an energy-saving punch, which is a general punch with exquisite structure, mainly with the functions of cutting, punching, blanking, bending and riveting, etc. Based on this, the patent with the application number of 201921875468. X discloses a servo machine tool, which comprises a base, a mounting stand, an electric control assembly, a sliding block assembly, a die frame and a central shaft. The sliding block assembly is distributed on the front side of the die frame, the electric control assembly is distributed on the rear side of the die frame, the central shaft is arranged in the die frame and extends between the electric control assembly and the sliding block assembly. The electric control assembly comprises a servo motor and a servo driver. The central shaft on one side of the electric control assembly is connected with the servo motor and constitutes a rotating shaft for the central shaft.

[0003] The driving principle adopted by the patent is that the force is transmitted to the sliding block through the connection hole at one end of the transmission sleeve after the force is connected to the eccentric shaft, and then the force is transmitted to the sliding block through the connection hole at the other end. When the transmission sleeve transmits the motion to the sliding block as an intermediate bridge, serious friction will occur between the two connection holes and the two shafts. Moreover, the accumulated error and control progress when the two holes transmit power will cause torque force between the shaft hole, and high requirements are required for the assembly of the shaft and the hole. SUMMARY

[0004] In order to solve the above problems, the utility model provides intelligent mute press, including the base, the top of base is fixed with left and right two stand, left and right two the stand is installed with the lifting seat, the front side of lifting seat is equipped with the assembly slot that communicates up and down, be equipped with sliding block assembly in assembly slot, sliding block assembly includes the slide rail that is fixed in the assembly slot left and right two sides and the sliding block that slides in left and right two the slide rail between, the back of sliding block is equipped with the fan -shaped drive cavity, the bottom of sliding block is fixed with machine head, install cam in fan -shaped drive cavity, the edge of cam slides in the cavity wall of fan -shaped drive cavity, the back of cam is equipped with the assembly hole to one side, the back of lifting seat is fixed with motor, the front side of lifting seat is equipped with bearing cavity, be fixed with bearing in bearing cavity, install drive shaft on bearing, the front end of drive shaft is installed with eccentric shaft, the rear end of drive shaft passes through lifting seat and is connected on motor, eccentric shaft is assembled in assembly hole, when drive shaft rotates with eccentric shaft, through eccentric shaft drive cam rotates along the cavity contour of fan -shaped drive cavity, make sliding block complete lifting action with machine head.

[0005] As a further preferred, the top of the stand is fixed with a heat sink, and a heat dissipation fan corresponding to the top of the motor is installed on the heat sink.

[0006] As further preferred, a through hole is formed in the lifting seat, and the rear end of the drive shaft passes through the through hole and is connected to the motor.

[0007] As further preferred, a polygonal assembly opening is formed in the back of the lifting seat, the front of the motor matches the shape of the assembly opening, and the motor is connected to the assembly opening by bolts.

[0008] As further preferred, a stepped surface is arranged at the front end of the drive shaft, and the drive shaft is assembled to the bearing through the stepped surface.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The eccentric shaft rotates along the cavity wall profile of the fan-shaped driving cavity with the cam, the cam contacts the cavity wall of the fan-shaped driving cavity, and therefore, according to the cam transmission principle, the cam rotates along the cavity wall of the fan-shaped driving cavity, drives the sliding block to move, the sliding block is limited between the left and right sliding rails, and therefore, the sliding block moves up and down, the sliding block drives the machine head to descend and ascend, and the machine head completes the machining action on the workpiece. The cam transmits power to the sliding block, the power transmission mode is that the end face of the cam contacts the profile face of the sliding block, the cam transmits power to the sliding block in the mode of face contact, the friction force is more stable than that of the double-hole connection mode, there is no hinged relationship between the cam and the sliding block, and therefore, the service life is longer, the face contact mode is adopted between the cam and the sliding block, the assembly relationship is more simple, the structure is simple, and when the cam transmits power to the sliding block in the mode of face contact, the sliding block can be ensured to stably move up and down, and the control precision is higher. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 An assembly structure schematic view of the intelligent mute press is provided for the utility model embodiment;

[0012] Figure 2 The intelligent mute press provided by the utility model embodiment comprises Figure 1 A schematic view under the view angle of the top view;

[0013] Figure 3 An explosion schematic view of the intelligent mute press is provided for the utility model embodiment;

[0014] Figure 4 The intelligent mute press provided by the utility model embodiment comprises Figure 3 Another view angle schematic view of the intelligent mute press is provided for the utility model embodiment;

[0015] Figure 5The utility model provides a cooperation relation schematic drawing of bearing, drive shaft and cam in intelligent mute press.

[0016] In the figure: 1, base; 2, stand; 3, lifting seat; 4, machine head; 5, slider assembly; 6, motor; 7, heat sink; 8, bearing cavity; 9, bearing; 10, assembly slot; 11, slide rail; 12, slider; 13, drive shaft; 14, fan drive cavity; 15, cam; 16, assembly hole; 17, eccentric shaft; 18, through hole; 19, assembly opening; 20, step surface. DETAILED DESCRIPTION

[0017] The above and other embodiments and advantages of the present application will be more clearly understood from the following description taken in conjunction with the accompanying drawings, in which:

[0018] In one embodiment, as shown in Figures 1-5 :

[0019] The embodiment provides intelligent mute press, including base 1, the top of base 1 is fixed with left and right two stands 2, and left and right two stands 2 are installed with lifting seat 3, and the front side of lifting seat 3 is installed with electric control system, and the front side of lifting seat 3 is provided with the assembly slot 10 that communicates up and down, and the slider assembly 5 is arranged in assembly slot 10, and the slider assembly 5 includes the slide rail 11 fixed on the left and right two sides of assembly slot 10 and the slider 12 sliding between left and right two slide rails 11, and the back of slider 12 is provided with fan drive cavity 14, and the bottom end of slider 12 is fixed with machine head 4, and cam 15 is installed in fan drive cavity 14, and the edge of cam 15 slides on the cavity wall of fan drive cavity 14, and the back of cam 15 is provided with assembly hole 16, and the back side of lifting seat 3 is fixed with motor 6, and the front side of lifting seat 3 is provided with bearing cavity 8, and bearing 9 is fixed in bearing cavity 8, and drive shaft 13 is installed on bearing 9, and the front end of drive shaft 13 is installed with eccentric shaft 17, and the rear end of drive shaft 13 is connected on motor 6 through lifting seat 3, that is, as shown in Figure 3 , the through hole 18 that communicates front and rear is set up on lifting seat 3, and the rear end of drive shaft 13 is connected on motor 6 through through hole 18, and as shown in Figure 4 , the front end of drive shaft 13 is provided with step surface 20, and drive shaft 13 is assembled on bearing 9 through step surface 20, and eccentric shaft 17 is assembled in assembly hole 16, and the setting of bearing 9 makes drive shaft 13 be installed, and drive shaft 13 is more stable when rotating, and when drive shaft 13 rotates with eccentric shaft 17, cam 15 is rotated along the cavity contour of fan drive cavity 14 by eccentric shaft 17, so that slider 12 drives machine head 4 to complete lifting action.

[0020] The action principle of the head 4: the electric control system provides instructions to the motor 6, controls the motor 6 to be electrified, drives the rotation of the driving shaft 13 by the action shaft of the motor 6, drives the rotation of the eccentric shaft 17 by the driving shaft 13, drives the rotation of the cam 15 along the cavity wall profile of the sector driving cavity 14 by the eccentric shaft 17, the cam 15 forms cam contact with the cavity wall of the sector driving cavity 14, therefore according to the cam transmission principle, when the cam 15 rotates along the cavity wall of the sector driving cavity 14, the cam 15 will drive the slider 12 to move, and since the slider 12 is limited between the left and right slide rails 11, the slider 12 will move up and down, when the slider 12 descends, the head 4 descends, when the slider 12 ascends, the head 4 ascends, so that the head 4 completes the machining action on the workpiece, for example, the head 4 is provided with a punch, and the punching of the workpiece is completed by descending, for example, the head 4 is provided with a cutting knife, and the cutting of the workpiece is completed by descending, and for example, the head 4 is provided with a bending die, and the workpiece is bent by descending action.

[0021] In summary, in the present application, in order to make the head 4 complete the lifting action, the cam 15 cooperates with the sector driving cavity 14 to transmit power to the slider 12, the power transmission mode realized is that the end surface of the cam 15 contacts with the profile surface of the slider 12, the cam 15 transmits power to the slider 12 in a surface contact mode, the friction generated can reduce the torque compared with the multi-shaft mechanical transmission mode in the prior art, compared with the double-hole connection mode in the transmission sleeve in the prior art, the surface contact mode in the present application is more stable, there is no double-shaft hinged relationship between the cam 15 and the slider 12 in the present application, when power transmission, there is no two hinged relationships, and there is no local friction in the two connecting holes due to the hinged relationship, therefore the cam and the surface contact mode have a longer service life, and the surface contact mode between the cam 15 and the slider 12 has a simple assembly relationship, and when the cam 15 and the slider 12 transmit power in a surface contact mode, the slider 12 can be ensured to ascend and descend stably, and the control precision is higher when the head 4 moves towards the workpiece.

[0022] As shown in Figure 1 The top of the column 2 is fixed with a heat sink 7, the heat sink 7 is provided with a heat dissipation fan corresponding to the upper side of the motor 6, when the motor 6 works for a long time, heat is generated, the heat dissipation fan in the heat sink 7 is used to dissipate heat synchronously, the service life of the motor 6 is improved, the gas blown by the heat dissipation fan is also blown to the lifting seat 3, the lifting seat 3 is cooled, since the bearing cavity 8 is arranged on the lifting seat 3, and the bearing 9 is embedded in the bearing cavity 8, the service life of the bearing 9 is also improved.

[0023] As shown in Figure 4As shown, the back of the lifting seat 3 is provided with a polygonal assembly opening 19, the front of the motor 6 matches the shape of the assembly opening 19 and is connected to the assembly opening 19 by bolts, and after the motor 6 is assembled to the lifting seat 3, the front end of the motor 6 is positioned by the assembly opening 19, so that the motor 6 is more stable during power-on operation and vibration is reduced.

[0024] It should be further explained that the electric control system mentioned in the present application has been disclosed in the prior art and is a known range on machine tool equipment, and the present application will not be described again. The above orientation reference does not represent the specific orientation of each component in the present embodiment, and the present embodiment is only for the convenience of the description of the scheme and is described relatively by referring to the orientation in the figure. In essence, the specific orientation of each component is according to its actual installation and actual use and the orientation description habit of the person skilled in the art, and this is explained.

[0025] The above specific embodiments further specifically describe the utility model purpose, technical scheme and beneficial effects of the present application. It should be understood that the above description is only a specific embodiment of the present application and does not limit the protection scope of the present application. It should be particularly pointed out that for those skilled in the art, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. Intelligent silent press, characterized in that, The utility model provides a kind of lifting device, including base (1), the top of base (1) is fixed with left and right two columns (2), left and right two the column (2) is installed with lifting seat (3), the front side of lifting seat (3) is equipped with the assembly slot (10) that passes through up and down, the assembly slot (10) is equipped with slider assembly (5), slider assembly (5) includes the slide rail (11) of being fixed on the left and right sides of assembly slot (10) and the slider (12) of sliding between left and right two slide rail (11), the back of slider (12) is equipped with fan-shaped drive cavity (14), the bottom end of slider (12) is fixed with machine head (4), cam (15) is installed in fan-shaped drive cavity (14), the edge of cam (15) slides on the cavity wall of fan-shaped drive cavity (14), eccentric shaft (17) is installed on the drive shaft (13) of the front end, the rear end of drive shaft (13) passes through lifting seat (3) and is connected on motor (6), eccentric shaft (17) is assembled in assembly hole (16), when drive shaft (13) rotates with eccentric shaft (17), cam (15) is rotated along the cavity wall profile of fan-shaped drive cavity (14) by eccentric shaft (17) drive, make slider (12) complete lifting action with machine head (4).

2. The intelligent silent press of claim 1, wherein, The top of column (2) is fixed with heat dissipation cover (7), heat dissipation fan is installed on heat dissipation cover (7) corresponding above motor (6).

3. The intelligent silent press of claim 2, wherein, Lifting seat (3) is equipped with through hole (18) that passes through front and rear, the rear end of drive shaft (13) passes through through hole (18) and is connected on motor (6).

4. The intelligent silent press of claim 3, wherein, The back of lifting seat (3) is equipped with polygonal assembly port (19), the front of motor (6) is matched with the shape of assembly port (19), and is connected on assembly port (19) by bolt.

5. The intelligent silent press of claim 4, wherein, The front end of drive shaft (13) is provided with step surface (20), and drive shaft (13) is assembled on bearing (9) by step surface (20).

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