Automatic tool setting device for wax block of slicing machine

Abstract

The utility model relates to an automatic tool setting device for a wax block of a slicing machine, which belongs to medical laboratory equipment and is applied to the fields of medical clinical pathological histology, cytology, clinical examination, biological research and the like. The wax block automatic tool setting device has the advantages that the displacement sensor is installed in the middle of the side of the wax block chuck below the blade of the blade frame, automatic tool setting of the wax block is achieved through positioning signals and control of the displacement sensor, fingers are prevented from being cut or scratched in the manual tool setting process of the wax block, the accuracy of tool setting of the wax block is improved, and the speed of tool setting of the wax block is increased; and the practicability, flexibility and reliability are improved. Unnecessary manual operation steps are reduced, simplicity and rapidness are achieved, labor and time are saved, and the working efficiency is improved. Therefore, the method has great market prospect and economic value.

Description

Technical Field

[0001] The utility model relates to an automatic knife alignment device for wax blocks of a microtome, belonging to medical laboratory equipment and applied in the fields of medical clinical histology, cytology, clinical laboratory tests, biological research, etc. Background Technique

[0002] Before paraffin sectioning with a microtome, a wax block needs to be fixed on the wax block chuck of the microtome, and then the tissue section surface of the wax block is adjusted to be perpendicular, parallel, close to or in contact with the section blade by relying on the coarse adjustment of the manual microtome or manually moving the knife rest and the base back and forth. The above process is called "wax block knife alignment". At present, manual "wax block knife alignment" is basically adopted for manual microtomes, semi-automatic microtomes or fully automatic microtomes on the market. Therefore, it is very necessary to develop an automatic knife alignment device for wax blocks of a microtome to fully realize intelligent automatic sectioning. Summary of the Invention

[0003] The technical problem solved by the utility model is to provide an automatic knife alignment device for wax blocks of a microtome, which is applied in the operation steps of sectioning and mounting sections, so as to solve the defects and deficiencies in the above background technique, replace unnecessary manual operation steps, avoid cuts or scratches on fingers during the manual knife alignment of wax blocks, and help improve work efficiency.

[0004] The technical solution of the utility model is as follows:

[0005] An automatic knife alignment device for wax blocks of a microtome comprises a wax block chuck, the tissue section surface of the wax block, a chuck motion connecting rod, a wax block chuck handle, a blade rest, an arc-shaped sliding seat, a knife rest base, a knife rest base chute, a blade rest guide rail, a blade, a blade clamp, a blade locking rod, a blade rest locking rod, an arc-shaped sliding seat locking rod, a displacement sensor, a driving motor for the forward and backward movement of the wax block chuck, a driving motor for the up and down movement of the wax block chuck, a computer and a control system.

[0006] Preferably, the blade rest is arranged on the blade rest guide rail of the arc-shaped sliding seat; the arc-shaped sliding seat is arranged on the knife rest base; the knife rest base is sleeved into the slide rail on the microtome base through the knife rest base chute; an arc-shaped sliding seat locking rod is arranged on the side surface of the knife rest base; a blade rest locking rod is arranged on the side surface of the arc-shaped sliding seat; a blade locking rod is arranged on the side surface of the blade rest.

[0007] Preferably, the displacement sensor is installed at the middle position on the side of the wax block chuck under the blade of the blade rest; the wax block chuck moves up and down and back and forth along with the chuck motion connecting rod; the tissue section surface of the wax block contacts the displacement sensor by moving up and down and back and forth along with the wax block chuck along with the chuck motion connecting rod.

[0008] Preferably, the chuck motion link is driven to move up and down and back and forth by the wax block chuck up and down movement driving motor and the wax block chuck back and forth movement driving motor inside the slicer.

[0009] Preferably, the displacement sensor for accurately positioning the wax block and the tissue section of the wax block directly below the blade edge of the blade in the blade holder transmits the detected position signal to the computer and the control system; the computer and the control system are connected to the wax block chuck up and down movement driving motor and the wax block chuck back and forth movement driving motor of the chuck motion link for controlling the movement of its driving motor.

[0010] Preferably, the displacement sensor is a contact type displacement sensor, the contact type displacement sensor is a touch elastic member, and the contact between the contact type displacement sensor and the tissue section of the wax block is a soft contact, so as to avoid the deformation of the paraffin of the tissue section of the wax block during contact, which affects the displacement and positioning measurement.

[0011] Preferably, the displacement sensor is a non-contact type displacement sensor, and the non-contact type displacement sensor is close to but does not contact the tissue section of the wax block.

[0012] Compared with the prior art, the utility model has the following beneficial effects: The utility model adopts automatic knife alignment for the wax block, avoids cuts or scratches on the fingers during the manual knife alignment process of the wax block, improves the accuracy of the knife alignment of the wax block, speeds up the knife alignment speed of the wax block, and improves its practicability, flexibility and reliability. It reduces unnecessary manual operation steps, is simple, fast, labor-saving and time-saving, and improves work efficiency. Therefore, it has great market prospects and economic value. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front perspective view of the external shape structure of the present utility model.

[0014] Figure 2 It is a side view of the external shape structure of the present utility model.

[0015] Figure 3 It is a rear perspective view of the external shape structure of the present utility model.

[0016] Figure 4 It is a side view of the use state of the present utility model.

[0017] Explanation of the reference numerals in the drawings:

[0018] 1. Wax block chuck, 2. Tissue section of wax block and wax block, 3. Chuck movement connecting rod, 4. Wax block clamp handle, 5. Blade holder, 6. Arc-shaped sliding seat, 7. Tool rest base, 8. Tool rest base chute, 9. Blade holder guide rail, 10. Blade, 11. Blade clamp, 12. Blade locking rod, 13. Blade holder locking rod, 14. Arc-shaped sliding seat locking rod, 15. Displacement sensor, 16. Computer and control system, 17. Monitor movable support frame, 18. Microtome, 19. Water pump, 20. Water tank, 21. Pool. Detailed implementation manners

[0019] The following further explains the detailed implementation manners of the present utility model with reference to the accompanying drawings. It should be noted here that the description of these implementation manners is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] Embodiment 1: As Figures 1 to 3 shown, the structural composition of an automatic knife alignment device for wax blocks of a microtome provided by the present utility model includes a wax block chuck 1, a tissue section of wax block and wax block 2, a chuck movement connecting rod 3, a wax block clamp handle 4, a blade holder 5, an arc-shaped sliding seat 6, a tool rest base 7, a tool rest base chute 8, a blade holder guide rail 9, a blade 10, a blade clamp 11, a blade locking rod 12, a blade holder locking rod 13, an arc-shaped sliding seat locking rod 14, a displacement sensor 15, a driving motor for the forward and backward movement of the wax block chuck, a driving motor for the up and down movement of the wax block chuck, and a computer and control system 16.

[0021] The blade holder 5 is arranged on the blade holder guide rail 9 of the arc-shaped sliding seat 6; the arc-shaped sliding seat 6 is arranged on the tool rest base 7; the tool rest base 7 is sleeved into the slide rail on the microtome base through the tool rest base chute 8; the side of the tool rest base 7 is provided with an arc-shaped sliding seat locking rod 14; the side of the arc-shaped sliding seat 6 is provided with a blade holder locking rod 13; and the side of the blade holder 5 is provided with a blade locking rod 12.

[0022] The displacement sensor 15 is installed at the middle position on the side of the wax block chuck 1 below the blade 10 of the blade holder 5; the wax block chuck 1 moves up and down and forward and backward along with the chuck movement connecting rod 3; and the tissue section of wax block and wax block 2 contacts the displacement sensor 15 by moving up and down and forward and backward along with the wax block chuck 1 along with the chuck movement connecting rod 3.

[0023] The chuck movement connecting rod 3 is jointly driven by a driving motor for the up and down movement of the wax block chuck and a driving motor for the forward and backward movement of the wax block chuck inside the microtome to move up and down and forward and backward.

[0024] The displacement sensor 15 for accurately positioning the tissue section 2 of the wax block directly below the cutting edge of the blade 10 on the blade holder 5 transmits the detected position signal to the computer and control system 16; the computer and control system 16 is connected to the driving motors for moving the wax block chuck up and down and moving the wax block chuck back and forth of the chuck motion link 3 to control the movement of the driving motors.

[0025] The displacement sensor 15 is a contact displacement sensor, and the contact displacement sensor is a touch elastic member. The contact between the contact displacement sensor and the tissue section 2 of the wax block is a soft contact, avoiding the deformation of the paraffin of the tissue section of the wax block during contact, which affects the displacement and positioning measurement.

[0026] The displacement sensor 15 is a non-contact displacement sensor, and the non-contact displacement sensor is close to but does not contact the tissue section 2 of the wax block.

[0027] Embodiment 2: As Figure 4 shown, the structure of the present invention includes a wax block chuck 1, the tissue section 2 of the wax block and the wax block, a chuck motion link 3, a wax block chuck handle 4, a blade holder 5, an arc-shaped sliding seat 6, a tool rest base 7, a tool rest base chute 8, a blade holder guide rail 9, a blade 10, a blade clamp 11, a blade locking rod 12, a blade holder locking rod 13, an arc-shaped sliding seat locking rod 14, a displacement sensor 15, a computer and control system 16, a display movable support frame 17, a microtome 18, a water pump 19, a water tank 20, a water pool 21, etc. These structures are integrated together to form an automatic slicing and mounting machine.

[0028] The advantages of the present invention are that a displacement sensor is installed at the middle position on the side of the wax block chuck below the blade of the blade holder. Through the positioning signal and control of the displacement sensor, automatic knife alignment of the wax block is realized, avoiding cuts or scratches on the fingers during the manual knife alignment process of the wax block, improving the accuracy of the knife alignment of the wax block, accelerating the speed of the knife alignment of the wax block, and improving its practicability, flexibility and reliability. Unnecessary manual operation steps are reduced, which is simple, fast, labor-saving and time-saving, and improves work efficiency. Therefore, it has great market prospects and economic value.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the structure and principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A wax block automatic tool setting device for a slicer, characterized in that: It comprises a wax block chuck, a wax block and a tissue section of the wax block, a chuck movement connecting rod, a wax block clamp handle, a blade holder, an arc-shaped sliding seat, a knife holder base, a knife holder base slide groove, a blade holder guide rail, a blade, a blade clamp, a blade locking rod, a knife holder locking rod, an arc-shaped sliding seat locking rod, a displacement sensor, a wax block chuck forward and backward moving driving motor, a wax block chuck up and down moving driving motor, a computer and a control system; the blade holder is arranged on the blade holder guide rail of the arc-shaped sliding seat; the arc-shaped sliding seat is arranged on the knife holder base; the knife holder base is inserted into the slide rail on the slicer base through the knife holder base slide groove; the side of the knife holder base is provided with an arc-shaped sliding seat locking rod; the side of the arc-shaped sliding seat is provided with a blade holder locking rod; A blade locking rod is provided on the side of the blade holder; the displacement sensor is installed in the middle position of the wax block chuck side below the blade of the blade holder; the wax block chuck moves up and down and forward and backward with the chuck movement connecting rod; the wax block and the tissue section of the wax block contact the displacement sensor by the wax block chuck moving up and down and forward and backward with the chuck movement connecting rod.

2. The wax block automatic tool setting device of a slicer according to claim 1, characterized in that The chuck movement connecting rod is driven by the wax block chuck up and down movement driving motor and the wax block chuck forward and backward movement driving motor inside the slicer to move up and down and forward and backward.

3. The wax block automatic tool setting device of a slicer according to claim 1, characterized in that : The displacement sensor used to accurately locate the wax block and the tissue section of the wax block vertically below the blade of the blade holder transmits the detected position signal to the computer and control system; the computer and control system are connected to the wax block chuck up and down movement drive motor of the chuck movement connecting rod and the wax block chuck forward and backward movement drive motor, and are used to control the movement of its drive motor.

4. The wax block automatic tool setting device for a slicer according to claim 1, characterized in that : The displacement sensor is a contact displacement sensor, the contact displacement sensor is a touch elastic member, and the contact between the contact displacement sensor and the tissue section of the wax block is soft contact.

5. The wax block automatic tool setting device for a slicer according to claim 1, characterized in that : The displacement sensor is a non-contact displacement sensor, which is close to but not in contact with the tissue section of the wax block.

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