X-axis automatic moving workbench of universal tool grinding machine

Abstract

The utility model discloses an X-axis automatic moving workbench of a universal tool grinding machine. Comprising a grinding machine body, a driving device and a limiting induction device, the grinding machine body comprises a workbench, an X-axis sliding seat is arranged below the workbench, a base is arranged below the X-axis sliding seat, the driving device comprises a motor, the motor is fixed to the base through a connecting assembly, and a driving synchronous belt wheel is fixedly arranged on a driving shaft of the motor; a driven synchronous pulley is fixed on the base and is connected with the driving synchronous pulley through a synchronous belt; the limiting induction device comprises a PLC, a first limiting inductor, a second limiting inductor and a limiting stop block installed on the side face of the workbench, the first limiting inductor and the second limiting inductor are both connected with the PLC through signal cables, and the PLC is connected with the motor through a cable. The X-axis polishing machine achieves X-axis automatic polishing and is accurate in control.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machine equipment, in particular to an X-axis automatic moving worktable of a universal tool grinding machine. Background Art

[0002] A grinder is a machine tool that uses a grinding tool to grind workpieces to obtain the required shape, size and precision machined surface. Currently, most grinders use a screw drive method, and use a manually operated X-axis handwheel to complete the reciprocating grinding of the workpiece in the X-axis direction. It is necessary to manually turn the X-axis handwheel back and forth. The disadvantages are: high labor costs and low production efficiency. Utility Model Content

[0003] The utility model aims to provide an X-axis automatic moving worktable of a universal tool grinder with high production efficiency and low labor input in view of the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an X-axis automatic moving worktable of a universal tool grinder, including a grinder body, a driving device, and a limit sensing device, the grinder body including a worktable, an X-axis sliding seat is arranged below the worktable, and a base is arranged below the X-axis sliding seat, the driving device includes a motor, the motor is fixed to the base through a connecting component, an active synchronous pulley is fixedly arranged on the driving shaft of the motor, a driven synchronous pulley is arranged and fixed on the base, and the driven synchronous pulley is connected to the active synchronous pulley through a synchronous belt; the limit sensing device includes a PLC controller, a first limit sensor, a second limit sensor and a limit stopper installed on the side of the worktable, the first limit sensor and the second limit sensor are on the same side as the limit stopper and are respectively located on both sides of the limit stopper, the first limit sensor and the second limit sensor are both connected to the PLC controller through a signal cable, and the PLC controller is connected to the motor through a cable.

[0005] Preferably, the motor and the driven synchronous pulley are arranged in parallel, and the connecting assembly includes an upper connecting plate, a lower connecting plate and a mounting plate. The upper connecting plate and the lower connecting plate are both right-angled triangles with two sides vertically turned up. The upper connecting plate and the lower connecting plate are arranged symmetrically up and down. The vertically turned-up parts of the upper connecting plate and the lower connecting plate are fixed to the motor and the mounting plate by bolts. The mounting plate is located between the motor and the driven synchronous pulley and fixed on the base. The mounting plate has a notch corresponding to the position of the synchronous belt. In order to save costs, the existing universal tool grinder is directly modified, and the motor, the active synchronous pulley, and the driven synchronous pulley are simply and quickly installed through the connecting assembly to improve the utilization rate of the existing universal tool grinder.

[0006] Preferably, the connecting line between the first limit sensor and the second limit sensor is parallel to the movement stroke of the workbench.

[0007] Preferably, an X-axis hand wheel is provided on the base, and the movement stroke required for the polishing piece can be determined by operating the X-axis hand wheel, so as to facilitate the position setting of the first limit sensor and the second limit sensor.

[0008] Compared with the prior art, the utility model has the following advantages: by setting the first limit sensor and the second limit sensor to cooperate with the limit block, the limit block continuously contacts the first limit sensor or the second limit sensor during the movement of the workbench and transmits the sensing signal to the PLC controller, and the PLC controller changes the movement direction of the motor drive shaft to realize the automatic reciprocating motion of the workbench, reduce manual operation, and control more accurately; by setting the connecting component, the drive device can be installed in the existing universal tool grinder, which is easy to install and saves materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 It is another structural schematic diagram of the utility model from another viewing angle.

[0011] Among them, 1-workbench, 2-X-axis sliding seat, 3-base, 41-motor, 42-driven synchronous pulley, 43-synchronous belt, 44-driving synchronous pulley, 51-upper connecting plate, 52-lower connecting plate, 53-mounting plate, 61-first limit sensor, 62-second limit sensor, 63-limit block, 7-PLC controller, 8-X-axis handwheel. DETAILED DESCRIPTION

[0012] The present invention is further explained below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that these implementation methods are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0013] like Figure 1 to Figure 2The X-axis automatic moving worktable of a universal tool grinder shown in the figure includes a grinder body, a driving device, and a limit sensing device. The grinder body includes a worktable 1, an X-axis sliding seat 2 is arranged below the worktable 1, a base 3 is arranged below the X-axis sliding seat 2, an X-axis handwheel 8 is arranged on the base 3, and the driving device includes a motor 41. The motor 41 adopts a stepping motor 41, and the motor 41 is fixed to the base 3 through a connecting component. An active synchronous pulley 44 is installed on the driving shaft of the motor 41, and a driven synchronous pulley 42 is arranged and fixed on the base 3. The driven synchronous pulley 42 is connected to the active synchronous pulley 44 through a synchronous belt 43. The synchronous pulley 44 is connected; the limit sensing device includes a PLC controller 7, a first limit sensor 61, a second limit sensor 62 and a limit block 63 installed on the side of the workbench 1, the first limit sensor 61, the second limit sensor 62 and the limit block 63 are on the same side and are respectively located on both sides of the limit block 63, the first limit sensor 61 and the second limit sensor 62 are connected to the PLC controller 7 through a signal cable, the PLC controller 7 is connected to the motor 41 through a cable, and the connection line between the first limit sensor 61 and the second limit sensor 62 is parallel to the movement stroke of the workbench 1.

[0014] The motor 41 is arranged in parallel with the driven synchronous pulley 42, and the connecting assembly includes an upper connecting plate 51, a lower connecting plate 52 and a mounting plate 53. The upper connecting plate 51 and the lower connecting plate 52 are both right-angled triangles with both sides vertically turned up. The upper connecting plate 51 and the lower connecting plate 52 are arranged symmetrically up and down. The vertically turned-up parts of the upper connecting plate 51 and the lower connecting plate 52 are fixed to the motor 41 and the mounting plate 53 by bolts. The mounting plate 53 is located between the motor 41 and the driven synchronous pulley 42 and is fixed on the base 3. The mounting plate 53 has a slot corresponding to the position of the synchronous belt 43.

[0015] The working process and principle of the utility model are as follows: first, the X-axis hand wheel 8 is operated and the approximate movement stroke of the workbench 1 is confirmed, and the distance between the first limit sensor 61 and the second limit sensor 62 is set according to the movement stroke of the workbench 1; when working, the limit block 63 follows the movement of the workbench 1 to reciprocate and trigger the first limit sensor 61 and the second limit sensor 62, and each time the limit block 63 touches the first limit sensor 61 or the second limit sensor 62, the sensing signal of the first limit sensor 61 or the second limit sensor 62 is sent to the PLC controller 7, and the PLC controller 7 changes the rotation direction of the driving shaft of the motor 41, thereby realizing the reciprocating motion of the workbench 1.

[0016] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. An X-axis automatic moving worktable of a universal tool grinder, comprising a grinder body, a driving device, and a limit sensing device, wherein the grinder body comprises a worktable, an X-axis sliding seat is arranged below the worktable, and a base is arranged below the X-axis sliding seat, characterized in that: The driving device includes a motor, which is fixed to the base through a connecting component. An active synchronous pulley is fixed on the driving shaft of the motor, and a driven synchronous pulley is fixed to the base, and the driven synchronous pulley is connected to the active synchronous pulley through a synchronous belt; the limit sensing device includes a PLC controller, a first limit sensor, a second limit sensor, and a limit block installed on the side of the workbench, the first limit sensor and the second limit sensor are on the same side as the limit block and are respectively located on both sides of the limit block, the first limit sensor and the second limit sensor are both connected to the PLC controller through a signal cable, and the PLC controller is connected to the motor through a cable.

2. The X-axis automatic moving worktable of a universal tool grinder according to claim 1, characterized in that: The motor is arranged in parallel with the driven synchronous pulley, and the connecting assembly includes an upper connecting plate, a lower connecting plate and a mounting plate. The upper connecting plate and the lower connecting plate are both right-angled triangles with both sides vertically turned up. The upper connecting plate and the lower connecting plate are arranged symmetrically up and down. The vertically turned-up parts of the upper connecting plate and the lower connecting plate are fixed to the motor and the mounting plate by bolts. The mounting plate is located between the motor and the driven synchronous pulley and fixed on the base, and a slot is opened on the mounting plate corresponding to the position of the synchronous belt.

3. The X-axis automatic moving worktable of a universal tool grinder according to claim 1, characterized in that: The connecting line between the first limit sensor and the second limit sensor is parallel to the movement stroke of the workbench.

4. The X-axis automatic moving worktable of a universal tool grinder according to claim 1, characterized in that: An X-axis handwheel is arranged on the base.

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