Secondary cutting device for dumbbell piece

Abstract

The utility model discloses a dumbbell piece secondary cutting device, which belongs to the field of cutting devices and comprises a device body provided with a dumbbell-shaped groove. One end of each elastic piece is connected with the device main body; one end of each adjusting block is correspondingly connected with the other end of the corresponding elastic piece, and the other end of each adjusting block is used for abutting against one side of the dumbbell piece; the dumbbell-shaped pressing block is used for abutting against the other side of the dumbbell piece; the thickness-adjustable cutter is movably connected with the device main body; the elastic pieces, the adjusting blocks and the dumbbell-shaped pressing blocks are movably located in the dumbbell-shaped grooves. The dumbbell piece has the technical effect that the thickness uniformity of the dumbbell piece can be conveniently improved.

Description

Technical Field

[0001] The utility model relates to a cutting device, in particular to a dumbbell plate secondary cutting device. Background Art

[0002] At present, for cables using cross-linked polyethylene materials as insulation layers, it is often necessary to test the relevant properties of the insulation layers. Before the test, the insulation layers are generally shavings into dumbbell-shaped samples with an average thickness (1 mm).

[0003] The working principle of the relevant flaker is: adjust the distance between the two ends of the workbench so that the cable is clamped in the middle of the workbench to fix the cable, and then adjust the height of the workbench to adjust the height of the cable, start the flaker to flak the cable, and each time the flaking requires manual adjustment of the workbench height to obtain the required sample thickness. After obtaining the sample of appropriate thickness, use a dumbbell-shaped cutter to press and cut the sample.

[0004] However, in actual production, due to the shape, thickness and other conditions of the insulation layer, many cable factories do not standardize the slicing and sampling of the cable insulation layer, which may easily result in dumbbell pieces with uneven thickness and thicker (4mm) dumbbell pieces, which will lead to deviations in subsequent test data. Utility Model Content

[0005] Purpose of the utility model: The purpose of the utility model is to provide a dumbbell plate secondary cutting device, which is convenient for increasing the thickness uniformity of the dumbbell plates.

[0006] Technical solution: A dumbbell plate secondary cutting device, comprising:

[0007] A device body, wherein the device body is provided with a dumbbell-shaped groove;

[0008] A plurality of elastic members, one end of each of which is connected to the device body;

[0009] A plurality of adjustment blocks, one end of each of the adjustment blocks being correspondingly connected to the other end of each of the elastic members, and the other end of each of the adjustment blocks being used to contact one side of a dumbbell plate;

[0010] A dumbbell-shaped pressing block for contacting the other side of the dumbbell plate;

[0011] An adjustable thickness cutter movably connected to the device body;

[0012] Wherein, the plurality of elastic members, the plurality of adjustment blocks and the dumbbell-shaped pressing block are all movably located in the dumbbell-shaped groove.

[0013] Optionally, the adjustable thickness cutter comprises:

[0014] Mounting columns;

[0015] A first cutter movably and lockably connected to one end of the mounting post;

[0016] A second cutter fixedly connected to the other end of the mounting post;

[0017] Wherein, the mounting column, the first cutter and the second cutter are all movably connected to the device body.

[0018] Optionally, it further includes a through groove provided in the main body of the device, the through groove is communicated with the dumbbell-shaped groove, and the through groove and the mounting column, the first cutter and the second cutter are all movably connected.

[0019] Optionally, the adjustable thickness cutter further comprises:

[0020] A mounting ring movably connected to one end of the mounting column, wherein the first cutter is fixedly connected to the mounting ring;

[0021] A fastener is threadedly connected to the mounting ring, and the fastener abuts against one end of the mounting column.

[0022] Optionally, the plurality of elastic members are arranged at intervals, and the plurality of adjustment blocks are arranged at intervals.

[0023] Optionally, the spacings between the plurality of elastic members are equal, and the spacings between the plurality of adjustment blocks are equal.

[0024] Optionally, the thickness of the dumbbell-shaped pressing block is greater than the thickness of the adjusting block.

[0025] Optionally, the elastic member is made of spring steel or rubber.

[0026] Beneficial effect: when the dumbbell piece is cut for the second time, the dumbbell piece is first placed in the dumbbell-shaped groove, and under the action of the dumbbell piece's own gravity, one side of the dumbbell piece and the other end of the adjustment block are initially contacted, and the elastic member is initially compressed, and then the dumbbell-shaped pressing block is placed in the dumbbell-shaped groove, and the dumbbell-shaped pressing block squeezes the other side of the dumbbell piece, so that the dumbbell-shaped pressing block and the other side of the dumbbell piece are in contact, and at the same time, one side of the dumbbell piece and the other end of the adjustment block are in contact, and the elastic member is further compressed, and finally, the adjustable thickness cutter is adjusted according to demand, and the adjustable thickness cutter is moved along the device body to perform a second cutting on the dumbbell piece, thereby facilitating increasing the thickness uniformity of the dumbbell piece cut for the second time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is one of the structural schematic diagrams of a dumbbell plate secondary cutting device according to Embodiment 1 of the utility model;

[0028] Figure 2 for Figure 1 Partial diagram of A in the middle;

[0029] Figure 3 This is a second structural schematic diagram of a dumbbell plate secondary cutting device according to Embodiment 1 of the utility model;

[0030] Figure 4 This is one of the secondary cutting schematic diagrams of Example 1 of the utility model;

[0031] Figure 5 This is the second schematic diagram of secondary cutting of Example 1 of the utility model;

[0032] In the figure: 1. device body; 11. dumbbell-shaped groove; 12. through groove; 2. elastic member; 3. adjustment block; 4. dumbbell-shaped pressure block; 5. adjustable thickness cutter; 51. first cutter; 52. second cutter; 53. mounting column; 54. mounting ring; 55. fastener. DETAILED DESCRIPTION

[0033] In order to make the technical solution of the utility model clearer, the utility model is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] Example 1

[0035] like Figure 1-5 The present embodiment provides a dumbbell plate secondary cutting device, comprising: a device body 1, the device body 1 is provided with a dumbbell-shaped groove 11; a plurality of elastic members 2, one ends of the plurality of elastic members 2 are connected to the device body 1; a plurality of adjustment blocks 3, one ends of the plurality of adjustment blocks 3 are correspondingly connected to the other ends of the plurality of elastic members 2, and the other ends of the plurality of adjustment blocks 3 are used to contact one side of the dumbbell plate; a dumbbell-shaped pressing block 4 used to contact the other side of the dumbbell plate; an adjustable thickness cutter 5 movably connected to the device body 1; wherein the plurality of elastic members 2, the plurality of adjustment blocks 3 and the dumbbell-shaped pressing block 4 are all movably located in the dumbbell-shaped groove 11.

[0036] Specifically, when the dumbbell piece is cut for the second time, the dumbbell piece is first placed in the dumbbell-shaped groove 11. Under the action of the dumbbell piece's own gravity, one side of the dumbbell piece and the other end of the adjustment block 3 are initially in contact, and the elastic member 2 is initially compressed. Then, the dumbbell-shaped pressing block 4 is placed in the dumbbell-shaped groove 11. The dumbbell-shaped pressing block 4 squeezes the other side of the dumbbell piece, so that the dumbbell-shaped pressing block 4 and the other side of the dumbbell piece are in contact, and at the same time, one side of the dumbbell piece and the other end of the adjustment block 3 are in contact, and the elastic member 2 is further compressed. Finally, the adjustable thickness cutter 5 is adjusted according to demand, and the adjustable thickness cutter 5 is moved along the device body 1 to cut the dumbbell piece for the second time, so as to increase the thickness uniformity of the dumbbell piece cut for the second time; Figure 3In order to ensure the integrity of the cutting, the adjustable thickness cutter 5 should completely cover the dumbbell-shaped groove 11 along the width direction; the widths of the several adjustment blocks 3 are not the same and are dumbbell-shaped to adapt to the dumbbell-shaped groove 11.

[0037] It should be noted that if Figure 4 Since the several adjustment blocks 3 of the dumbbell plate secondary cutting device of the present application are separately arranged rather than integrally arranged, it is convenient to make the plane of one side of the dumbbell plate present a non-horizontal state, and the plane of the other side of the dumbbell plate present a horizontal state, thereby facilitating increasing the thickness uniformity of the dumbbell plate after secondary cutting; Figure 5 If the several adjustment blocks 3 of the dumbbell plate secondary cutting device of the present application are arranged as a whole, the two side planes of the dumbbell plate will be non-horizontal, which may easily lead to poor thickness uniformity of the secondary cut dumbbell plate;

[0038] The following explains why the cable insulation layer is cut into dumbbell pieces for testing. This is because the dumbbell piece samples can better simulate the stretching conditions that the cable may encounter in actual use. The dumbbell pieces are wider at both ends and narrower in the middle, so that during the test, the sample can be evenly stressed when stretched, thereby more accurately reflecting the mechanical properties of the material. In addition, by measuring the tensile strength and elongation at break of the dumbbell pieces, the durability and reliability of the cable insulation layer can be evaluated to ensure that the cable can maintain good performance during long-term use.

[0039] Further, such as Figure 2 The adjustable thickness cutter 5 comprises: a mounting post 53; a first cutter 51 movably locked to one end of the mounting post 53; and a second cutter 52 fixedly connected to the other end of the mounting post 53; wherein the mounting post 53, the first cutter 51 and the second cutter 52 are all movably connected to the device body 1. Specifically, when the thickness needs to be reduced, the first cutter 51 moves toward the direction close to the second cutter 52 and is locked, and when the thickness needs to be increased, the first cutter 51 moves toward the direction away from the second cutter 52 and is locked, and the distance between the first cutter 51 and the second cutter 52 is equal to the thickness of the dumbbell piece cut twice.

[0040] Further, such as Figure 1-2 , further comprising a through slot 12 disposed in the device body 1, the through slot 12 being connected to the dumbbell-shaped groove 11, and the through slot 12 and the mounting column 53, the first cutter 51 and the second cutter 52 are all movably connected. Specifically, the through slot 12 is used to accommodate the mounting column 53, the first cutter 51 and the second cutter 52 to prevent the mounting column 53, the first cutter 51 and the second cutter 52 from being blocked.

[0041] Further, such as Figure 2The adjustable thickness cutter 5 further includes: a mounting ring 54 movably connected to one end of the mounting column 53, the first cutter 51 and the mounting ring 54 are fixedly connected; a fastener 55 threadedly connected to the mounting ring 54, the fastener 55 and one end of the mounting column 53 are in conflict. Specifically, when the thickness needs to be adjusted, the fastener 55 is first loosened, and then the mounting ring 54 is moved along one end of the mounting column 53 to the target position, the mounting column 53 drives the first cutter 51 to move to the target position, and finally the fastener 55 is locked.

[0042] Further, such as Figure 1 , a plurality of elastic members 2 are arranged at intervals, and a plurality of adjustment blocks 3 are arranged at intervals. Specifically, the interval arrangement is convenient for preventing the plurality of elastic members 2 from interfering with each other, and at the same time preventing the plurality of adjustment blocks 3 from interfering with each other.

[0043] Further, such as Figure 1 , the spacings between the elastic members 2 are equal, and the spacings between the adjustment blocks 3 are equal. Specifically, the equal spacings facilitate the uniformity of the forces of the elastic members 2 and the uniformity of the forces of the adjustment blocks 3.

[0044] Further, such as Figure 1 , the thickness of the dumbbell-shaped pressing block 4 is greater than the thickness of the adjusting block 3. Specifically, the thickness of the dumbbell-shaped pressing block 4 is larger, and the thickness of the adjusting block 3 is smaller, so that the dumbbell-shaped pressing block 4 can effectively squeeze the other side of the dumbbell sheet.

[0045] Further, such as Figure 1 The elastic member 2 is made of spring steel or rubber. Specifically, spring steel makes the elastic member 2 high in strength and durable; rubber makes the elastic member 2 simple in structure and easy to process and manufacture.

[0046] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A dumbbell plate secondary cutting device, characterized in that: include: A device body, wherein the device body is provided with a dumbbell-shaped groove; A plurality of elastic members, one end of each of which is connected to the device body; A plurality of adjustment blocks, one end of each of which is correspondingly connected to the other end of each of the plurality of elastic members, and the other end of each of the plurality of adjustment blocks is used to contact one side of a dumbbell plate; A dumbbell-shaped pressing block for contacting the other side of the dumbbell plate; An adjustable thickness cutter movably connected to the device body; Wherein, the plurality of elastic members, the plurality of adjustment blocks and the dumbbell-shaped pressing block are all movably located in the dumbbell-shaped groove.

2. A dumbbell plate secondary cutting device according to claim 1, characterized in that: The adjustable thickness cutter comprises: Mounting columns; A first cutter movably and lockably connected to one end of the mounting post; A second cutter fixedly connected to the other end of the mounting post; Wherein, the mounting column, the first cutter and the second cutter are all movably connected to the device body.

3. A dumbbell plate secondary cutting device according to claim 2, characterized in that: It also includes a through slot arranged in the main body of the device, the through slot is communicated with the dumbbell-shaped groove, and the through slot and the mounting column, the first cutter and the second cutter are all movably connected.

4. A dumbbell plate secondary cutting device according to claim 2, characterized in that: The adjustable thickness cutter also includes: A mounting ring movably connected to one end of the mounting column, wherein the first cutter is fixedly connected to the mounting ring; A fastener is threadedly connected to the mounting ring, and the fastener abuts against one end of the mounting column.

5. A dumbbell plate secondary cutting device according to any one of claims 1 to 4, characterized in that: The plurality of elastic members are arranged at intervals, and the plurality of adjustment blocks are arranged at intervals.

6. A dumbbell plate secondary cutting device according to claim 5, characterized in that: The spacings between the plurality of elastic members are equal, and the spacings between the plurality of adjustment blocks are equal.

7. A dumbbell plate secondary cutting device according to any one of claims 1 to 4, characterized in that: The thickness of the dumbbell-shaped pressing block is greater than the thickness of the adjusting block.

8. A dumbbell plate secondary cutting device according to any one of claims 1 to 4, characterized in that: The elastic member is made of spring steel or rubber.

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