Replaceable blade assembly of paraffin slicer

Abstract

The utility model relates to the technical field of paraffin slicer parts, in particular to a replaceable blade assembly of a paraffin slicer, which comprises a blade seat, a limit plate is fixedly mounted on the front side of the blade seat, the section of the limit plate is L-shaped, and an inserting groove is arranged between the front plate body of the limit plate and the blade seat. A left first guide column and a right first guide column which are mutually symmetrical are fixedly installed on the front side face of the blade seat, a blade plate is arranged on the blade seat, a left first sliding hole and a right first sliding hole which are mutually symmetrical are formed in the blade plate, the first guide columns penetrate through the first sliding holes and are in sliding connection with the first sliding holes, and a top plate body of the blade plate is matched with the inserting-connecting groove in an inserting-connecting mode. A blade is fixedly installed at the bottom of the blade plate, and the blade plate is fixedly connected with the blade seat and the limiting plate through a plurality of fastening screws. The cutter is convenient to assemble, disassemble and replace the blade, and is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of paraffin section machine parts, and concretely relates to a replaceable blade assembly of a paraffin section machine. BACKGROUND

[0002] A paraffin section machine is an indispensable device in biomedical research, which is mainly used for embedding tissue samples in paraffin and accurately sectioning them for microscope observation and analysis. The quality of the sections directly affects the subsequent research results and diagnostic accuracy. The paraffin section machine mainly relies on the movement of the blade on it to complete the sectioning operation.

[0003] Traditional paraffin section machines usually use fixed blades. This design has some problems in the long-term use. First, the blade will wear out after long-term use, resulting in a decrease in sectioning quality, which requires replacement. However, the blade replacement process of traditional paraffin section machines is often complex and time-consuming, requiring professional technical personnel to operate, which increases maintenance costs and time costs. In addition, the design of fixed blades limits the flexibility of blade selection and replacement, and cannot meet the changing needs of different sectioning. In view of this, we propose a replaceable blade assembly of a paraffin section machine. SUMMARY

[0004] The purpose of the utility model is to provide a replaceable blade assembly of a paraffin section machine to solve the defects proposed in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The replaceable blade assembly of the paraffin section machine comprises a blade seat, a limiting plate is fixedly installed on the front side of the blade seat, the cross section of the limiting plate is L-shaped, a plug-in slot is arranged between the front side plate body of the limiting plate and the blade seat, two first guide columns that are symmetric to each other are fixedly installed on the front side of the blade seat, a blade plate is arranged on the blade seat, two first sliding holes that are symmetric to each other are arranged on the blade plate, the first guide columns pass through the first sliding holes and are slidably connected with the first sliding holes, the top plate body of the blade plate is plug-in matched with the plug-in slot, a blade is fixedly installed on the bottom of the blade plate, and the blade plate, the blade seat and the limiting plate are fixedly connected through a plurality of fastening screws.

[0007] Preferably, a second guide column is fixedly installed on the front side of the blade seat, the second guide column is located between the two first guide columns, a second sliding hole is arranged on the blade plate, and the second guide column passes through the second sliding hole and is slidably connected with the second sliding hole.

[0008] Preferably, the top of the blade seat is fixedly provided with a fixing seat, a clamping groove is arranged in the fixing seat, and a plurality of bolt holes in communication with the outside are arranged on the front and rear groove walls of the clamping groove.

[0009] Preferably, the front end of the second guide column is fixedly provided with a limiting disc, and a diameter-expanded hole is arranged on the hole wall at the top position of the second sliding hole, and the limiting disc passes out from the diameter-expanded hole part.

[0010] Preferably, a plurality of threaded holes are arranged on the front side of the blade seat, a plurality of through holes are arranged on the front side plate body of the limiting plate, the fastening screw passes through the corresponding through hole, the first sliding hole, the diameter-expanded hole and is threadedly connected with the threaded hole.

[0011] Preferably, the size of the first guide column is matched with the size of the first sliding hole, and the size of the second guide column is matched with the size of the second sliding hole.

[0012] Preferably, the fastening screw comprises a cap head and a threaded column arranged on the cap head, the cap head abuts against the front side plate body of the limiting plate, and the threaded column is threadedly connected with the threaded hole.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a first guide column and a second guide column are arranged to realize the guiding operation of the blade plate, in addition, the blade plate is clamped into the clamping groove, the stability of the blade plate structure is guaranteed, finally, a plurality of fastening screws are used to fix, so that the fixing operation is simpler, the blade plate and the blade are convenient to replace, and the effect that the blade is convenient to replace is achieved.

[0015] 2、The first guide column and the second guide column are arranged in the first sliding hole and the second sliding hole, after the fastening screw is screwed down, the blade plate falls down under the action of gravity, at the moment, the first guide column and the second guide column can support the blade plate, and the blade plate is prevented from falling down on other objects and being damaged by impact. DRAWINGS

[0016] Figure 1 It is an overall structure schematic view of the utility model;

[0017] Figure 2 It is an explosion structure schematic view of the utility model;

[0018] Figure 3 It is an overall structure schematic view of the utility model; Figure 2 It is an enlarged view of A in the utility model;

[0019] Figure 4 It is a partial structure schematic view of the utility model;

[0020] The meanings of the various reference numerals in the Figures are as follows:

[0021] 1, blade seat; 10, fixed seat; 11, clamping groove; 12, bolt hole; 13, limiting plate; 131, plug-in slot; 14, threaded hole; 15, first guide column; 16, second guide column; 161, limiting disc; 17, through hole;

[0022] 2, blade plate; 20, first sliding hole; 21, second sliding hole; 22, expanded hole; 23, blade; 24, fastening screw; 241, cap head; 242, stud. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The present application provides a technical solution: a replaceable blade assembly of a paraffin wax slicing machine, comprising a blade seat 1, a limiting plate 13 is fixedly installed on the front side of the blade seat 1, the cross section of the limiting plate 13 is L-shaped, a plug-in slot 131 is arranged between the front side plate body of the limiting plate 13 and the blade seat 1, the bottom and the left and right sides of the plug-in slot 131 are connected with the outside, two first guide columns 15 which are symmetrical to each other are fixedly installed on the front side of the blade seat 1, a blade plate 2 is arranged on the blade seat 1, two first sliding holes 20 which are symmetrical to each other are arranged on the blade plate 2, the first guide columns 15 pass through the first sliding holes 20 and are slidably connected with the first sliding holes 20, the top plate body of the blade plate 2 is plug-in matched with the plug-in slot 131, a blade 23 is fixedly installed on the bottom of the blade plate 2, the blade plate 2 is fixedly connected with the blade seat 1 and the limiting plate 13 through a plurality of fastening screws 24, so that the blade plate 2 can be conveniently fixedly installed and disassembled and replaced.

[0025] In the embodiment, a second guide column 16 is fixedly installed on the front side of the blade seat 1, the second guide column 16 is located between the two first guide columns 15, a second sliding hole 21 is arranged on the blade plate 2, the second guide column 16 passes through the second sliding hole 21 and is slidably connected with the second sliding hole 21, so as to further guide the blade plate 2.

[0026] Specifically, the top of the blade seat 1 is fixedly provided with a fixed seat 10, a clamping groove 11 is arranged in the fixed seat 10, a plurality of bolt holes 12 communicating with the outside are arranged on the front and rear groove walls of the clamping groove 11, and the fixed seat 10 is fixedly installed on the outside paraffin sectioning machine by using fastening bolts.

[0027] Further, the front end of the second guide column 16 is fixedly provided with a limiting disc 161, a diameter-expanded hole 22 is arranged on the hole wall at the top position of the second sliding hole 21, the limiting disc 161 is arranged to pass out from the diameter-expanded hole 22, and after the blade plate 2 falls downward and abuts against the first guide column 15 and the second guide column 16, the limiting disc 161 can prevent the blade plate 2 from directly sliding out of the second guide column 16.

[0028] In addition, a plurality of threaded holes 14 are arranged on the front side of the blade seat 1, a plurality of through holes 17 are arranged on the front side plate body of the limiting plate 13, a fastening screw 24 is arranged to pass through the corresponding through hole 17, the first sliding hole 20, the diameter-expanded hole 22 and be threadedly connected with the threaded hole 14, and the fastening screw 24 is used to fixedly install the blade plate 2.

[0029] It is worth noting that the size of the first guide column 15 is matched with the size of the first sliding hole 20, and the size of the second guide column 16 is matched with the size of the second sliding hole 21, so as to stabilize the assembly operation.

[0030] It is worth noting that the fastening screw 24 comprises a cap head 241 and a screw column 242 arranged on the cap head 241, the cap head 241 abuts against the front side plate body of the limiting plate 13, and the screw column 242 is threadedly connected with the threaded hole 14.

[0031] When the paraffin sectioning machine is used, the first guide column 15 is aligned with the first sliding hole 20, the second guide column 16 is aligned with the second sliding hole 21, the blade plate 2 is sleeved on the first guide column 15 and the second guide column 16, the blade plate 2 is slid upward, the top of the blade plate 2 is clamped into the plug-in groove 131, and the blade plate 2 is fixed between the blade seat 1 and the limiting plate 13 by using the fastening screw 24.

[0032] When disassembled, the fastening screw 24 is unscrewed, at this time, the blade plate 2 slides downward and is arranged on the first guide column 15 and the second guide column 16, the blade plate 2 is appropriately lifted, the limiting disc 161 is aligned with the diameter-expanded hole 22, and the blade plate 2 is taken down, and the disassembly is completed.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A replaceable blade assembly for a microtome, comprising a blade holder (1), characterized in that: The front side of the blade seat (1) is fixedly provided with a limiting plate (13), the cross section of the limiting plate (13) is L-shaped, a plug-in slot (131) is arranged between the front side plate body of the limiting plate (13) and the blade seat (1), the front side of the blade seat (1) is fixedly provided with two first guide columns (15) which are symmetrical to each other, the blade seat (1) is provided with a blade plate (2), the blade plate (2) is provided with two first sliding holes (20) which are symmetrical to each other, the first guide column (15) passes through the first sliding hole (20) and is in sliding connection with the first sliding hole (20), the top plate body of the blade plate (2) is plug-in matched with the plug-in slot (131), the bottom of the blade plate (2) is fixedly provided with a blade (23), and the blade plate (2) is fixedly connected with the blade seat (1) and the limiting plate (13) through a plurality of fastening screws (24).

2. The replaceable blade assembly of a paraffin microtome according to claim 1, wherein: The front side of the blade seat (1) is fixedly provided with a second guide column (16), the second guide column (16) is located between the two first guide columns (15), the blade plate (2) is provided with a second sliding hole (21), and the second guide column (16) passes through the second sliding hole (21) and is in sliding connection with the second sliding hole (21).

3. The replaceable blade assembly of a microtome according to claim 1, wherein: The top of the blade seat (1) is fixedly provided with a fixing seat (10), the fixing seat (10) is provided with a clamping groove (11), and the front and rear groove walls of the clamping groove (11) are both provided with a plurality of bolt holes (12) which are connected with the outside.

4. The replaceable blade assembly of a microtome according to claim 2, wherein: The front end of the second guide column (16) is fixedly provided with a limiting disc (161), the hole wall of the top position of the second sliding hole (21) is provided with an enlarged hole (22), and the limiting disc (161) passes out from the enlarged hole (22).

5. The replaceable blade assembly of a paraffin microtome according to claim 4, wherein: The front side of the blade seat (1) is provided with a plurality of threaded holes (14), the front side plate body of the limiting plate (13) is provided with a plurality of through holes (17), and the fastening screw (24) passes through the corresponding through hole (17), the first sliding hole (20), the enlarged hole (22) and is in threaded connection with the threaded hole (14).

6. The replaceable blade assembly of a paraffin microtome of claim 2, wherein: The size of the first guide column (15) is matched with the size of the first sliding hole (20), and the size of the second guide column (16) is matched with the size of the second sliding hole (21).

7. The replaceable blade assembly of a paraffin microtome of claim 5, wherein: The fastening screw (24) comprises a cap head (241) and a screw column (242) arranged on the cap head (241), the cap head (241) abuts against the front side plate body of the limiting plate (13), and the screw column (242) is in threaded connection with the threaded hole (14).

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