Workbench for marking scale lines of vernier caliper

Abstract

The utility model discloses a workbench for marking scale marks of a vernier caliper, which comprises a workbench body and a marking device arranged above the workbench body, the marking device is slidably provided with a marking head for marking the scale marks of the vernier caliper in the vertical direction, and the workbench further comprises an automatic feeding mechanism arranged on the surface of the workbench body. The automatic feeding mechanism is used for conveying the vernier calipers to be marked to a marking position and can replace different vernier calipers to be marked; the discharging end of the automatic feeding mechanism is provided with an automatic positioning mechanism used for positioning the vernier caliper to be marked. The workbench further comprises a control system, and the control system is electrically connected with the automatic feeding mechanism, the automatic positioning mechanism and the marking head and used for controlling the whole automatic marking process. According to the workbench, automatic feeding and accurate positioning of the vernier caliper are achieved; compared with a traditional manual operation mode, the workbench can remarkably improve the marking efficiency and reduce manual intervention and waiting time.

Description

TECHNICAL FIELD

[0001] The utility model relates to vernier caliper manufacturing technical field, concretely is a kind of workbench for vernier caliper scale line marking. BACKGROUND

[0002] Current vernier caliper is generally divided into electronic vernier caliper and mechanical vernier caliper, electronic vernier caliper is digital display, and it does not need to mark scale line;Mechanical vernier caliper needs to mark scale line;Therefore, in the manufacturing process of mechanical vernier caliper, the production of main ruler and vernier ruler is separated, so the marking of scale line is also separated, so the marking of scale line is a crucial link.The traditional vernier caliper scale line marking mode mostly adopts manual operation, and the main ruler or vernier ruler of vernier caliper is usually positioned by manual placing and clamping tool, and this mode is not only inefficient, but also difficult to guarantee marking quality, and problems such as unclear scale line and inaccurate position are prone to occur.

[0003] Meanwhile, these devices still have some problems in actual application process, for example, with the development of automation technology, it is necessary to automatically feed and position vernier caliper, and the existing device is deficient in automatic vernier caliper feeding in the process of automatic marking, and the labor cost is large;Meanwhile, the positioning effect is troublesome during marking, and it is difficult to realize rapid and accurate positioning of vernier caliper.

[0004] Therefore, how to design a vernier caliper scale line marking workbench with reasonable structure, high automation degree and high marking precision becomes a technical problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of workbench for vernier caliper scale line marking to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of workbench for vernier caliper scale line marking, including workbench body and the marking device being set on the workbench body upper side, the marking device vertical direction sliding is provided with the marking head for marking the scale line of vernier caliper, it is characterized by: still including the automatic feeding mechanism being set on the workbench body table top, the automatic feeding mechanism is used to send the vernier caliper to be marked to marking position and can replace different vernier caliper to be marked;The automatic positioning mechanism for positioning the vernier caliper to be marked is provided at the discharge end of the automatic feeding mechanism;The workbench further includes control system, the control system is electrically connected with automatic feeding mechanism, automatic positioning mechanism and marking head, for controlling the whole automatic marking process.

[0008] Preferably, the automatic feeding mechanism comprises a feeding track arranged on the workbench body; a feeding driving device and a vernier caliper clamp are arranged in the feeding track; the feeding driving device is connected with the feeding track and is used to drive the vernier caliper clamp to move on the feeding track; and the vernier caliper clamp is used to clamp the vernier caliper to be marked.

[0009] Preferably, the feeding driving device comprises a motor, a speed reducer and a transmission belt; the motor is in transmission connection with the transmission belt through the speed reducer; the transmission belt is connected to the vernier caliper clamp; and the motor drives the vernier caliper clamp to move on the feeding track.

[0010] Preferably, the automatic positioning mechanism comprises a positioning seat arranged at the discharging end of the automatic feeding mechanism, a positioning driving device and a positioning pin; the positioning driving device is connected with the positioning seat and is used to drive the positioning pin to move in the positioning seat; and the positioning pin is used to cooperate with a positioning hole of the vernier caliper clamp and lock the vernier caliper.

[0011] Preferably, the positioning driving device comprises a cylinder and a piston rod connected with the piston in the cylinder; the cylinder is fixed on the positioning seat; and the free end of the piston rod is connected with the positioning pin and is used to push the positioning pin to move relative to the positioning seat.

[0012] Preferably, the marking head comprises a laser generator, a focusing mirror and a marking driving device; the laser generator is used to generate a laser beam; the laser beam is focused on the vernier caliper by the focusing mirror to perform a marking operation; and the marking driving device is used to drive the marking head to slide up and down on the marker so as to focus the laser beam.

[0013] Preferably, the marking driving device comprises a vertical driving motor; the vertical driving motor itself has a screw rod; and the screw rod is in threaded connection and can drive the marking head to slide up and down.

[0014] Preferably, the control system comprises a PLC controller, a display screen and a sensor; the PLC controller is electrically connected with the automatic feeding mechanism, the automatic positioning mechanism, the marking head, the display screen and the sensor and controls the whole marking operation; the display screen is used to interact with the user; and the sensor is used to detect the position and state of the vernier caliper.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The automatic feeding mechanism and the automatic positioning mechanism are adopted, so that the automatic feeding and accurate positioning of the vernier caliper are realized; compared with the traditional manual operation mode, the workbench can significantly improve the marking efficiency and reduce manual intervention and waiting time.

[0017] 2. The workbench has compact overall structure, high automation degree, and realizes accurate control and management of the whole marking process through integrated control of the control system; during use, the user only needs to perform simple parameter setting and operation instruction input through the display screen, so that automatic operation of the whole marking operation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a front view of the present utility model;

[0019] Figure 2 is a schematic diagram of the three-dimensional structure of the present utility model under the first perspective;

[0020] Figure 3 is Figure 2 is a local enlarged view of A;

[0021] Figure 4 is a top view of the present utility model;

[0022] Figure 5 is Figure 4 is a local enlarged view of B;

[0023] Figure 6 is Figure 4 is a local enlarged view of C.

[0024] In the figure: 1 - workbench body; 2 - automatic feeding mechanism; 21 - feeding track; 22 - feeding driving device; 221 - motor; 222 - speed reducer; 223 - transmission belt; 23 - vernier caliper clamp; 231 - positioning hole; 3 - automatic positioning mechanism; 31 - positioning seat; 32 - positioning driving device; 321 - air cylinder; 322 - piston rod; 33 - positioning pin; 4 - marking head; 41 - laser generator; 42 - focusing mirror; 43 - marking driving device; 431 - vertical driving motor; 5 - control system; 51 - PLC controller; 52 - display screen; 53 - sensor; 6 - marker. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0026] As Figures 1 to 6The utility model provides a worktable for vernier caliper scale line marking, aims at solving the problem of low efficiency, difficult to guarantee marking quality, insufficient automation degree etc. in the traditional vernier caliper scale line marking process. The overall structure of the worktable is compact, the automation degree is high, and the marking efficiency and marking precision can be improved significantly.

[0027] Specifically, as shown in Figure 1 、 Figure 2 and Figure 4 , the worktable mainly comprises a worktable body 1, an automatic feeding mechanism 2, an automatic positioning mechanism 3, a marker 6 and a control system 5 and other key components; wherein the worktable body 1 serves as the supporting and carrying structure of the entire worktable, having sufficient strength and stability. Further, the automatic feeding mechanism 2 is arranged on the tabletop of the worktable body 1, responsible for automatically feeding the vernier caliper to be marked to the marking position, and the automatic feeding mechanism 2 can replace different vernier calipers to be marked; further, the automatic positioning mechanism 3 is arranged at the discharge end of the automatic feeding mechanism 2, preferably at one side of the discharge end, for accurately positioning the vernier caliper fed to the marking position. Further, the marker 6 is vertically slidably provided with a marking head 4, which is used for marking the scale line of the vernier caliper; in order to realize automatic marking, the control system 5 is electrically connected with the automatic feeding mechanism 2, the automatic positioning mechanism 3 and the marking head 4, responsible for controlling the entire automatic marking process.

[0028] Further optimize the automatic feeding mechanism 2, specifically, as shown in Figure 2 、 Figure 4 and Figure 6 , the automatic feeding mechanism 2 mainly consists of a feeding track 21, a feeding driving device 22 and a vernier caliper clamp 23; the feeding track 21 is laid on the tabletop of the worktable body 1, providing a sliding path for the conveying of the vernier caliper; more specifically, the feeding driving device 22 comprises a motor 221, a speed reducer 222 and a transmission belt 223, the motor 221 is drivingly connected with the transmission belt 223 through the speed reducer 222, and the transmission belt 223 is connected with the vernier caliper clamp 23; when the motor 221 is started, the working speed is adjusted through the speed increasing and torque increasing effect of the speed reducer 222, the transmission belt 223 carries and drives the vernier caliper clamp 23 to move on the feeding track 21, thereby realizing the automatic feeding of the vernier caliper.

[0029] The vernier caliper clamp 23 is used for clamping the vernier caliper to be marked, and its structure can be designed according to the shape and size of the vernier caliper to ensure stable clamping and easy replacement; preferably, the vernier caliper clamp 23 is further formed with a positioning hole 231 near one side of the automatic positioning mechanism 3, used for cooperating with the positioning pin 33 of the automatic positioning mechanism 3 to realize accurate positioning of the vernier caliper.

[0030] Further, the automatic positioning mechanism 3 is mainly composed of a positioning seat 31, a positioning driving device 32 and a positioning pin 33. The positioning seat 31 is arranged at the discharging end of the automatic feeding mechanism 2, and is used for receiving and positioning the vernier caliper sent by the automatic feeding mechanism; further, the positioning driving device 32 is connected with the positioning seat 31, and preferably, the positioning driving device 32 can adopt a driving component such as a pneumatic cylinder, a hydraulic cylinder or an electric push rod, and the positioning driving device 32 is used for driving the positioning pin 33 to extend or retract relative to the positioning seat 31; it is easy to know that the positioning pin 33 has a shape and size matched with the positioning hole 231 of the vernier caliper clamp 23, for example, as shown in the drawings, the positioning pin 33 is composed of a combined structure of a cone and a cylinder, and then the positioning hole 231 is a stepped hole matched with the positioning pin 33, when the positioning pin 33 is inserted into the positioning hole 231, the vernier caliper clamp 23 can be firmly locked and positioned at the marking position (i.e. pushed to the side wall of the feeding track 21); the existence of the positioning hole 231 realizes the rapid and accurate positioning control of the positioning pin 33. Figure 3

[0031] Further, as shown in Figure 1 、 Figure 2 and Figure 4 , the marker 6 is vertically arranged above the workbench body 1, and is used for carrying and driving the marking head 4 to slide up and down; specifically, the marking head 4 includes a laser generator 41, a focusing mirror 42 and a marking driving device 43; wherein the laser generator 41 is used for generating a laser beam, the laser beam is focused by the focusing mirror 42 and irradiated on the vernier caliper to perform marking work, and the marking driving device 43 is used for driving the marking head 4 to slide up and down on the marker 6, so as to focus the laser beam and adjust the marking depth, and preferably, the marking driving device 43 can adopt a vertical driving motor 431 as a power source, and specifically, the vertical driving motor 431 itself has a screw rod, the screw rod is threadedly connected with the marking head 4 and can drivingly drive the marking head 4 to slide up and down; in use, by controlling the rotating direction and speed of the vertical driving motor 431, the height of the marking head 4 is adjusted to realize accurate focusing, and automatic and accurate adjustment of the marking head 4 can be realized.

[0032] Of course, the control system 5 is the core component of the entire workbench, and is used for controlling and coordinating the entire marking process, therefore, the control system 5 needs to have a function of controlling and interacting with the operator, and specifically, as shown in Figure 1 and Figure 2 ​As shown, the control system 5 is composed of a PLC controller 51, a display screen 52 and a sensor 53; the PLC controller 51 is electrically connected with the automatic feeding mechanism 2, the automatic positioning mechanism 3, the marking head 4, the display screen 52 and the sensor 53 and controls the whole marking operation; wherein the display screen 52 is used for interacting with the user, displaying marking parameters, marking progress and the like information, and the user can input marking parameters for marking, and the sensor 53 is used for detecting the position and state of the vernier caliper, preferably, as shown in the figure, Figure 4 As shown, the sensor 53 has two, two sensors 53 are arranged on the side of the feeding track 21 and are used for sensing whether the vernier caliper clamp 23 is pressed and pasted to the sensor 53 to lock the side wall, it should be noted that the vernier caliper clamp 23 and the transmission belt 223 are slidably connected in the width direction of the transmission belt 223 and the sliding connection has an elastic reset function (i.e. the vernier caliper clamp 23 will reset to the middle of the transmission belt 223 when it is not forced), which ensures the accuracy and safety of the marking operation.

[0033] The control system 5 can be further optimized, for example, in order to provide safety in production, the control system 5 can also be provided with various protection functions and alarm functions as needed, such as overload protection, short circuit protection, over-temperature alarm and the like, to ensure the stable operation and safety of the workbench.

[0034] As a preferred embodiment of the present application, the embodiment provides a workbench for vernier caliper scale line marking, which has basically the same structure as described above; the difference lies in that the structure of the vernier caliper clamp 23 for clamping the vernier caliper is detachable and replaceable, and in actual application, the workbench can be widely used for vernier caliper scale line marking operation of various specifications and models. The user only needs to put the vernier caliper to be marked into the vernier caliper clamp 23, and then set the marking parameters through the control system 5 and start the marking operation. The workbench can automatically complete the whole process of feeding, positioning, marking and discharging of the vernier caliper, greatly improving the marking efficiency and marking quality.

[0035] As another preferred embodiment of the present application, on the basis of the above embodiment, the automatic feeding mechanism 2 and the automatic positioning mechanism 3 are further optimized and designed; specifically, the feeding driving device 22 adopts a combination of a more efficient motor and a reducer to improve the feeding speed and feeding accuracy. At the same time, the positioning driving device 32 of the automatic positioning mechanism 3 also adopts a more rapid and accurate electric push rod as a power source. In addition, the embodiment also increases the fine adjustment function of the marking head 4 (mainly adding the fine adjustment function in the control program of the controller) to better adapt to the scale line marking requirements of different vernier calipers.

[0036] In practical application, the optimized workbench can further improve the marking efficiency and marking precision, while reducing energy consumption and operation cost; in addition, the workbench has good scalability and flexibility, and can be customized and upgraded according to user requirements.

[0037] In summary, the utility model provides a structure is reasonable, automation degree is high, the vernier caliper scale line marking workbench of high marking precision. The workbench can significantly improve the marking efficiency and marking quality, reduce the manual cost and operation cost, have extensive application prospect and market value.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A workbench for marking graduation lines on a vernier caliper, comprising a workbench body (1) and a marking device (6) disposed above the workbench body (1), wherein the marking device is vertically slidably provided with a marking head (4) for marking the graduation lines on the vernier caliper, characterized in that: It also includes an automatic feeding mechanism (2) set on the table surface of the workbench body (1). The automatic feeding mechanism (2) is used to send the vernier caliper to be marked to the marking position and can replace different vernier calipers to be marked. The discharge end of the automatic feeding mechanism (2) is provided with an automatic positioning mechanism (3) for positioning the vernier caliper to be marked. The workbench also includes a control system (5). The control system (5) is electrically connected to the automatic feeding mechanism (2), the automatic positioning mechanism (3) and the marking head (4) and is used to control the entire automatic marking process.

2. A workbench for marking vernier caliper scale lines according to claim 1, characterized in that: The automatic feeding mechanism (2) includes a feeding track (21) set on the workbench body (1); the feeding track (21) is provided with a feeding drive device (22) and a vernier caliper clamp (23). The feeding drive device (22) is connected to the feeding track (21) and is used to drive the vernier caliper clamp (23) to move on the feeding track (21). The vernier caliper clamp (23) is used to clamp the vernier caliper to be marked.

3. A workbench for marking vernier caliper scale lines according to claim 2, characterized in that: The feeding drive device (22) includes a motor (221), a reducer (222) and a transmission belt (223). The motor (221) is connected to the transmission belt (223) through the reducer (222). The transmission belt (223) is connected to the vernier caliper clamp (23). The motor (221) drives the vernier caliper clamp (23) to move on the feeding track (21).

4. A workbench for marking vernier caliper scale lines according to claim 3, characterized in that: The automatic positioning mechanism (3) includes a positioning seat (31), a positioning drive device (32), and a positioning pin (33) disposed at the discharge end of the automatic feeding mechanism (2). The positioning drive device (32) is connected to the positioning seat (31) and is used to drive the positioning pin (33) to move within the positioning seat (31). The positioning pin (33) is used to cooperate with the positioning hole (231) of the vernier caliper clamp (23) and lock and position the vernier caliper.

5. A workbench for marking vernier caliper scale lines according to claim 4, characterized in that: The positioning drive device (32) includes a cylinder (321) and a piston rod (322) connected to the piston in the cylinder (321). The cylinder (321) is fixed on the positioning seat (31). The free end of the piston rod (322) is connected to the positioning pin (33) to push the positioning pin (33) to move relative to the positioning seat (31).

6. A workbench for marking vernier caliper scale lines according to claim 5, characterized in that: The marking head (4) includes a laser generator (41), a focusing lens (42), and a marking drive device (43). The laser generator (41) generates a laser beam, which is focused onto the vernier caliper by the focusing lens (42) for marking. The marking drive device (43) drives the marking head (4) to slide up and down on the marking device (6) to focus the laser beam.

7. A workbench for marking vernier caliper scale lines according to claim 6, characterized in that: The marking drive device (43) includes a vertical drive motor (431), which has a lead screw. The lead screw is threaded and can drive the marking head (4) to slide up and down.

8. A workbench for marking vernier caliper scale lines according to any one of claims 1 to 7, characterized in that: The control system (5) includes a PLC controller (51), a display screen (52), and a sensor (53). The PLC controller (51) is electrically connected to the automatic feeding mechanism (2), the automatic positioning mechanism (3), the marking head (4), the display screen (52), and the sensor (53) and controls the entire marking operation. The display screen (52) is used to interact with the user, and the sensor (53) is used to detect the position and status of the vernier caliper.

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