A semi-automatic paraffin sectioning machine for laboratory use

Abstract

The utility model provides a kind of semi-automatic paraffin wax microtome for laboratory belongs to paraffin wax section technical field.This kind of semi-automatic paraffin wax microtome for laboratory, including base, is provided with slicing mechanism on the base, the slicing mechanism includes support frame and drive screw rod, the support frame is fixed in the top of base, the inner wall of support frame is fixed with limit rod, the surface of limit rod is slidably equipped with slide, the drive screw rod rotation is arranged in the inner wall of support frame.The utility model is equipped with slicing mechanism, user will paraffin block and positioning plate abut, start first motor and second motor, drive screw rod rotation is driven, so that slide drives T-shaped plate to move downward, while carousel drives slide axle to rotate, so that T-shaped plate is simultaneously reciprocated in horizontal direction, so that cutting knife is cut to paraffin block, while reciprocated in horizontal direction, so that the flatness of paraffin piece after cutting is improved.

Description

Technical Field

[0001] This utility model relates to the field of paraffin sectioning technology, and more specifically, to a semi-automatic paraffin sectioning machine for laboratory use. Background Technology

[0002] Paraffin sectioning is the most widely used method in routine histological slide preparation. After biological tissues are fixed, dehydrated, cleared, and embedded in paraffin, they are cut into thin sections using a microtome and stained to create permanent slide specimens that can be observed under a microscope.

[0003] In existing technologies, when performing paraffin sectioning in the laboratory, the paraffin block is usually sliced ​​vertically downwards using a cutting blade. However, paraffin is affected by stress, and the resulting paraffin slices are prone to unevenness at the cut surface, affecting subsequent use. Utility Model Content

[0004] To overcome the above deficiencies, this utility model provides a semi-automatic paraffin slicer for laboratory use that overcomes or at least partially solves the above technical problems.

[0005] This utility model is implemented as follows: This utility model provides a semi-automatic paraffin microtome for laboratory use, including a base, on which a slicing mechanism is mounted. The slicing mechanism includes... A support frame is fixed to the top of the base, and a limiting rod is fixed to the inner wall of the support frame. A slide is slidably fitted onto the surface of the limiting rod. A drive screw is rotatably mounted on the inner wall of the support frame. The slide is threaded onto the surface of the drive screw. A T-shaped plate is provided on the slide, and a cutting blade is fixed to the front side of the T-shaped plate.

[0006] In a preferred embodiment, a slide rail is fixedly mounted on the carriage, the T-shaped plate is slidably fitted onto the surface of the slide rail, and a positioning plate is fixedly mounted on the top of the base.

[0007] In a preferred embodiment, the carriage is internally rotatably provided with a turntable, on which a sliding shaft is eccentrically fixed. The bottom of the T-shaped plate has a straight groove, and the sliding shaft is slidably sleeved inside the straight groove.

[0008] In a preferred embodiment, a first motor is fixedly mounted on the top of the support frame, and the output end of the first motor is fixedly connected to the top of the drive screw.

[0009] In a preferred embodiment, a second motor is fixedly mounted on the bottom of the carriage, and the output end of the second motor is fixedly connected to the bottom of the turntable.

[0010] In a preferred embodiment, the base is provided with a clamping mechanism, which includes a movable seat that is slidably disposed on the top of the base. The top of the movable seat has two limiting grooves, and a clamping plate is slidably disposed inside the limiting grooves.

[0011] In a preferred embodiment, a bidirectional lead screw is rotatably provided inside the movable seat, and two clamping plates are respectively threaded onto the two ends of the bidirectional lead screw. A limiting rod is fixed inside the movable seat, and both clamping plates are slidably sleeved on the surface of the limiting rod.

[0012] In a preferred embodiment, a third motor is fixedly mounted on the right side of the movable base, and the output end of the third motor is fixedly connected to a bidirectional lead screw. A hydraulic rod is fixedly mounted on the top of the base, and the output end of the hydraulic rod is fixedly connected to the movable base.

[0013] The semi-automatic paraffin slicer for laboratory use provided by this utility model has the following beneficial effects: 1. By setting up a slicing mechanism, the user places the paraffin block against the positioning plate, starts the first and second motors, drives the drive screw to rotate, causing the carriage to move the T-shaped plate downwards. At the same time, the turntable drives the sliding shaft to rotate, causing the T-shaped plate to move back and forth horizontally. Thus, when the cutting blade cuts the paraffin block, it is accompanied by horizontal reciprocating movement, thereby improving the flatness of the cut paraffin slice.

[0014] 2. By setting up a clamping mechanism, the user places the paraffin block on the moving seat, ensuring that the rear side of the paraffin block extends beyond the range of the moving seat. The third motor is then activated, driving the bidirectional lead screw to rotate. Through the threaded connection between the bidirectional lead screw and the clamping plates, and with the limiting action of the limiting rod, the two clamping plates move in opposite directions until both clamping plates are in contact with the surface of the paraffin block, thus clamping the paraffin block. After this is completed, the hydraulic rod is activated, causing the moving seat to move the paraffin block closer to the positioning plate until the end face of the paraffin block contacts the positioning plate, thereby improving the stability of the paraffin block when slicing. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure provided by an embodiment of the present utility model; Figure 2A top view of the overall structure is provided for the embodiment of this utility model; Figure 3 A partial cross-sectional view of the movable seat is provided for the embodiment of this utility model; Figure 4 A partial cross-sectional view of the T-shaped plate is provided for the embodiment of this utility model.

[0017] In the diagram: 1. Base; 201. Support frame; 202. Limiting rod; 203. Slide; 204. Drive screw; 205. T-shaped plate; 206. Cutting blade; 207. Slide rail; 208. Positioning plate; 209. Turntable; 210. Sliding shaft; 211. Straight groove; 212. First motor; 213. Second motor; 301. Moving seat; 302. Limiting groove; 303. Clamping plate; 304. Bidirectional screw; 305. Limiting rod; 306. Third motor; 307. Hydraulic rod. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Reference Figures 1-4This utility model provides a technical solution: a semi-automatic paraffin slicer for laboratory use, including a base 1, on which a slicing mechanism is provided. The slicing mechanism includes a support frame 201 and a drive screw 204. The support frame 201 is fixed to the top of the base 1 by a mounting plate and bolts. A limiting rod 202 is fixed to the inner wall of the support frame 201, and a slide 203 is slidably sleeved on the surface of the limiting rod 202. The drive screw 204 is rotatably disposed on the inner wall of the support frame 201, and the slide 203 is threadedly sleeved on the surface of the drive screw 204. A T-shaped plate 205 is provided on the 03, and a cutting blade 206 is detachably fixed to the front side of the T-shaped plate 205 by bolts, facilitating the replacement of the cutting blade 206. A slide rail 207 is fixed on the slide 203, and the T-shaped plate 205 is slidably sleeved on the surface of the slide rail 207. A positioning plate 208 is fixed on the top of the base 1. A turntable 209 is rotatably arranged inside the slide 203, and a sliding shaft 210 is eccentrically fixed on the turntable 209. A straight groove 211 is opened at the bottom of the T-shaped plate 205, and the sliding shaft 210 is slidably sleeved on the straight groove 211. Inside the slide 203, a first motor 212 is fixed to the top of the support frame 201 via bolts and a mounting base. The output end of the first motor 212 is fixedly connected to the top of the drive screw 204 via a coupling. A second motor 213 is fixed to the bottom of the slide 203 via bolts and a mounting base. The output end of the second motor 213 is fixedly connected to the bottom of the turntable 209 via a coupling. By setting a slicing mechanism, the user presses the paraffin block against the positioning plate 208, starts the first motor 212 and the second motor 213, and drives the drive screw 204 to rotate. Through the threaded connection between the drive screw 204 and the slide 203, and the limiting action of the limiting rod 202, the slide 203 drives the T-shaped plate 205 to move downwards. At the same time, the turntable 209 drives the sliding shaft 210 to rotate. The sliding shaft 210 presses against the inner wall of the straight groove 211. Under the limiting action of the slide rail 207, the T-shaped plate 205 moves back and forth in the horizontal direction. Thus, when the cutting blade 206 cuts the paraffin block, it moves back and forth in the horizontal direction, thereby improving the flatness of the paraffin sheet after cutting. Reference Figures 1-4A clamping mechanism is provided on the base 1, including a movable seat 301. The movable seat 301 is slidably disposed on the top of the base 1. Two limiting grooves 302 are opened on the top of the movable seat 301. Clamping plates 303 are slidably disposed inside the limiting grooves 302. Soft pads are installed on the inner walls of the clamping plates 303. A double-acting screw 304 is rotatably disposed inside the movable seat 301. The two clamping plates 303 are respectively threaded onto the two ends of the double-acting screw 304. A limiting rod 305 is fixed inside the movable seat 301. Both clamping plates 303 are slidably disposed on the surface of the limiting rod 305. A third motor 306 is fixedly disposed on the right side of the movable seat 301 by bolts and a mounting base. The output end of the third motor 306 is fixedly connected to the double-acting screw 304 by a coupling. A liquid... The pressure rod 307 and the output end of the hydraulic rod 307 are fixedly connected to the moving seat 301. By setting up a clamping mechanism, the user places the paraffin block on the moving seat 301, so that the rear side of the paraffin block extends beyond the range of the moving seat 301. The third motor 306 is started, which drives the bidirectional lead screw 304 to rotate. Through the threaded connection between the bidirectional lead screw 304 and the clamping plate 303, and the limiting cooperation of the limiting rod 305, the two clamping plates 303 move in opposite directions until both clamping plates 303 are in contact with the surface of the paraffin block, thereby clamping the paraffin block. After completion, the hydraulic rod 307 is started, which causes the moving seat 301 to move the paraffin block closer to the positioning plate 208 until the end face of the paraffin block is in contact with the positioning plate 208, thereby improving the stability of the paraffin block when slicing.

[0020] Specifically, the working process or principle of this semi-automatic paraffin slicer for laboratory use is as follows: During use, the user places the paraffin block on the moving seat 301, ensuring the rear of the block extends beyond the moving seat 301. The third motor 306 is activated, driving the bidirectional lead screw 304 to rotate. Through the threaded connection between the bidirectional lead screw 304 and the clamping plates 303, and the limiting action of the limiting rod 305, the two clamping plates 303 move in opposite directions until both plates are in contact with the surface of the paraffin block, thus clamping the block. After this, the hydraulic rod 307 is activated, causing the moving seat 301 to... 01 drives the paraffin block to move closer to the positioning plate 208 until the end face of the paraffin block contacts the positioning plate 208. Then, the first motor 212 and the second motor 213 are started, driving the drive screw 204 to rotate. Through the threaded connection between the drive screw 204 and the slide 203, and the limiting cooperation of the limiting rod 202, the slide 203 drives the T-shaped plate 205 to move downward. At the same time, the turntable 209 drives the sliding shaft 210 to rotate. The sliding shaft 210 squeezes the inner wall of the straight groove 211. Under the limiting cooperation of the slide rail 207, the T-shaped plate 205 moves back and forth in the horizontal direction at the same time.

Claims

1. A semi-automatic paraffin microtome for laboratory use, comprising a base (1), characterized in that: A slicing mechanism is provided on the base (1), the slicing mechanism including, A support frame (201) is fixedly mounted on the top of the base (1). A limiting rod (202) is fixedly mounted on the inner wall of the support frame (201). A slide (203) is slidably mounted on the surface of the limiting rod (202). A drive screw (204) is rotatably mounted on the inner wall of the support frame (201). A slide (203) is threaded onto the surface of the drive screw (204). A T-shaped plate (205) is provided on the slide (203). A cutting blade (206) is fixed on the front side of the T-shaped plate (205).

2. The semi-automatic paraffin sectioner for laboratory use according to claim 1, characterized in that, The slide rail (207) is fixed on the slide (203), the T-shaped plate (205) is slidably sleeved on the surface of the slide rail (207), and the positioning plate (208) is fixed on the top of the base (1).

3. A semi-automatic paraffin sectioner for laboratory use according to claim 2, characterized in that, The slide (203) has a turntable (209) inside for rotation. A sliding shaft (210) is eccentrically fixed on the turntable (209). A straight groove (211) is opened at the bottom of the T-shaped plate (205). The sliding shaft (210) is slidably sleeved inside the straight groove (211).

4. A semi-automatic paraffin sectioner for laboratory use according to claim 3, characterized in that, The top of the support frame (201) is fixedly provided with a first motor (212), and the output end of the first motor (212) is fixedly connected to the top of the drive screw (204).

5. A semi-automatic paraffin sectioner for laboratory use according to claim 4, characterized in that, A second motor (213) is fixedly mounted on the bottom of the slide (203), and the output end of the second motor (213) is fixedly connected to the bottom of the turntable (209).

6. A semi-automatic paraffin sectioner for laboratory use according to claim 5, characterized in that, The base (1) is provided with a clamping mechanism, which includes a movable seat (301). The movable seat (301) is slidably disposed on the top of the base (1). Two limiting grooves (302) are opened on the top of the movable seat (301). A clamping plate (303) is slidably disposed inside the limiting groove (302).

7. A semi-automatic paraffin sectioner for laboratory use according to claim 6, characterized in that, The movable seat (301) is rotatably provided with a bidirectional lead screw (304), and the two clamping plates (303) are respectively threaded onto the two ends of the bidirectional lead screw (304). The movable seat (301) is fixedly provided with a limiting rod (305), and the two clamping plates (303) are slidably sleeved on the surface of the limiting rod (305).

8. A semi-automatic paraffin sectioner for laboratory use according to claim 7, characterized in that, A third motor (306) is fixedly mounted on the right side of the movable seat (301). The output end of the third motor (306) is fixedly connected to a two-way lead screw (304). A hydraulic rod (307) is fixedly mounted on the top of the base (1). The output end of the hydraulic rod (307) is fixedly connected to the movable seat (301).

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