阅读说明：本技术 一种金属热处理用零件夹持装置 (Part clamping device for metal heat treatment ) 是由 吕钢 张红梅 于 2019-11-12 设计创作，主要内容包括：本发明涉及零件夹持设备技术领域,尤其是一种金属热处理用零件夹持装置,包括持握杆,持握杆一端固定连接有固定块、支撑块、夹块、拉杆,持握杆一侧固定连接有凹形架,持握杆与拉杆之间安装有固定机构,其中固定机构包括若干齿块、齿轮、转轴、转孔、安装孔、齿槽、紧固螺栓、螺纹孔,安装孔位于持握杆相对拉杆的一侧,齿槽位于持握杆一侧,若干齿块位于拉杆相对齿槽一侧,齿块与拉杆固定连接,齿轮位于安装孔内,齿轮与若干齿块和拉杆组成的齿条相啮合,转轴位于转孔内,持握杆底端相对齿轮轴线处开有螺纹孔,螺纹孔内螺纹连接有紧固螺栓,紧固螺栓相对转轴处开有通孔。本发明结构简单,能够增大夹持装置与零件的接触面积,值得推广。(The invention relates to the technical field of part clamping equipment, in particular to a part clamping device for metal heat treatment, which comprises a holding rod, wherein one end of the holding rod is fixedly connected with a fixed block, a supporting block, a clamping block and a pull rod, one side of the holding rod is fixedly connected with a concave frame, a fixing mechanism is arranged between the holding rod and the pull rod, wherein fixed establishment includes a plurality of tooth pieces, the gear, the apparatus further comprises a rotating shaft, the hole changes, the mounting hole, the tooth's socket, fastening bolt, the screw hole, the mounting hole is located one side of holding the relative pull rod of holding the pole, the tooth's socket is located holding pole one side, a plurality of tooth pieces are located the relative tooth's socket of pull rod one side, tooth piece and pull rod fixed connection, the gear is located the mounting hole, the gear meshes with the rack that a plurality of tooth pieces and pull rod are constituteed mutually, the pivot is located the hole of changeing, hold the pole bottom end and locate to open threaded hole relative gear axis, threaded hole female connection has fastening bolt, fastening bolt locates. The clamping device is simple in structure, can increase the contact area between the clamping device and a part, and is worthy of popularization.)

1. The part clamping device for the metal heat treatment comprises a holding rod (1), and is characterized in that one end of the holding rod (1) is fixedly connected with a fixed block (2), the bottom of one side, far away from the holding rod (1), of the fixed block (2) is fixedly connected with a supporting block (3), a clamping block (6) is placed at the top end of the supporting block (3), the side face of the clamping block (6) is fixedly connected with a pull rod (9), one side, opposite to the pull rod (9), of the holding rod (1) is fixedly connected with a concave frame (20), one end, far away from the clamping block (6), of the pull rod (9) penetrates through the concave frame (20), and a fixing mechanism is installed between the holding rod (1) and the pull rod (9);

wherein the fixing mechanism comprises a plurality of tooth blocks (10), a gear (7), a rotating shaft (8), a rotating hole (11), a mounting hole (12), a tooth groove (16), a fastening bolt (15) and a threaded hole (21), the mounting hole (12) is positioned on one side of the holding rod (1) opposite to the pull rod (9), the tooth groove (16) is positioned on one side of the holding rod (1), the tooth groove (16) and the mounting hole (12) are positioned on the same side of the holding rod (1), the tooth blocks (10) are positioned on one side of the pull rod (9) opposite to the tooth groove (16), the tooth blocks (10) are fixedly connected with the pull rod (9), the gear (7) is positioned in the mounting hole (12), the gear (7) is meshed with a plurality of racks formed by the tooth blocks (10) and the pull rod (9), the rotating hole (11) is positioned at the axis of the gear (7), the rotating shaft (8) is positioned in the rotating hole (11), the one end of pivot (8) with hold and rotate between holding rod (1) and be connected, hold and open threaded hole (21) in the relative gear (7) axis department in holding rod (1) bottom, threaded hole (21) female connection has fastening bolt (15), fastening bolt (15) are located to open relative pivot (8) has through-hole (17), be clearance fit between pivot (8) and through-hole (17).

2. The metal heat treatment part clamping device is characterized in that a placing hole (18) is formed in the inner side of the holding rod (1), the placing hole (18) is communicated with the mounting hole (12), the axis of the placing hole (18) is coincident with the axis of the rotating shaft (8), a return spring (19) is placed in the placing hole (18), one end of the return spring (19) is in contact with the holding rod (1), and the other end of the return spring (19) is in contact with the gear (7).

3. The part clamping device for the metal heat treatment according to claim 1, wherein a T-shaped groove (14) is formed in one side, opposite to the clamping block (6), of the fixing block (2), a T-shaped block (5) is placed in the T-shaped groove (14), an arc-shaped block (4) is fixedly connected to the part, extending out of the T-shaped groove (14), of the T-shaped block (5), a groove in the arc-shaped block (4) is located on one side, away from the fixing block (2) and the clamping block (6), of the arc-shaped block (4), and the T-shaped block (5) is tightly matched with the T-shaped groove (14).

4. The part holding device for the heat treatment of metals as claimed in claim 1, wherein an inclined block (13) is fixedly connected to one end of the supporting block (3) far from the fixing block (2).

5. The device for holding parts for use in heat treatment of metals as claimed in claim 1, wherein said grip lever (1) has an anti-slip cover (22) adhered to its side.

6. The part holding device for metal heat treatment as claimed in claim 3, wherein the bottom end of the arc block (4) is in contact with the top end of the supporting block (3), and the top end of the arc block (4) is flush with the top ends of the fixed block (2) and the clamping block (6).

Technical Field

The invention relates to the technical field of part clamping equipment, in particular to a part clamping device for metal heat treatment.

Background

The metal heat treatment is a process of heating a metal workpiece in a certain medium to a proper temperature, keeping the metal workpiece in the temperature for a certain time, cooling the metal workpiece in different media at different speeds, and controlling the performance of the metal workpiece by changing the microstructure of the surface or the inside of the metal material, the prior art has different special clamping devices (shaft-type parts adopt shaft clamping tools) for different parts, the manufacturing cost of the special clamping device is high, the special clamping device is not suitable for being used by small scientific research units during heat treatment experiments, generally, the metal workpiece is directly clamped by daily simple pliers tools during the scientific research experiments, the contact area between the common pliers tools and the parts after heat treatment is small, and the stress in the parts is easily influenced, so the part is clamped by the mode, the experimental data and results are easily influenced, and most of the parts are clamped by hands, sometimes the problem of parts coming off the pliers-like tool occurs.

Disclosure of Invention

The invention aims to solve the defects that the contact area between a clamping device and a metal surface is small and the clamping force of a clamping device is insufficient in the prior art, and provides a part clamping device for metal heat treatment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the part clamping device for the metal heat treatment comprises a holding rod, wherein one end of the holding rod is fixedly connected with a fixed block, the bottom of one side, away from the holding rod, of the fixed block is fixedly connected with a supporting block, a clamping block is placed at the top end of the supporting block, the side face of the clamping block is fixedly connected with a pull rod, one side, opposite to the pull rod, of the holding rod is fixedly connected with a concave frame, one end, away from the clamping block, of the pull rod penetrates through the concave frame, and a fixing mechanism is arranged between the holding rod and the pull rod;

wherein the fixing mechanism comprises a plurality of tooth blocks, gears, a rotating shaft, a rotating hole, a mounting hole, a tooth socket, a fastening bolt and a threaded hole, the mounting hole is positioned at one side of the holding rod opposite to the pull rod, the tooth socket is positioned at one side of the holding rod, the tooth groove and the mounting hole are positioned at the same side of the holding rod, the plurality of tooth blocks are positioned at one side of the pull rod opposite to the tooth groove, the tooth blocks are fixedly connected with the pull rod, the gear is positioned in the mounting hole and is meshed with a plurality of racks formed by the tooth blocks and the pull rod, the rotating hole is positioned at the axis of the gear, the rotating shaft is positioned in the rotating hole, one end of the rotating shaft is rotationally connected with the holding rod, the bottom end of the holding rod is provided with a threaded hole corresponding to the axis of the gear, the threaded hole is internally connected with a fastening bolt, the fastening bolt is provided with a through hole opposite to the rotating shaft, and the rotating shaft is in clearance fit with the through hole.

Preferably, the holding rod is provided with a placing hole on the inner side, the placing hole is communicated with the mounting hole, the axis of the placing hole coincides with the axis of the rotating shaft, a return spring is placed in the placing hole, one end of the return spring is in contact with the holding rod, and the other end of the return spring is in contact with the gear.

Preferably, a T-shaped groove is formed in one side, opposite to the clamping block, of the fixing block, a T-shaped block is placed in the T-shaped groove, an arc-shaped block is fixedly connected to the part, extending out of the T-shaped groove, of the T-shaped block, a groove in the arc-shaped block is located on one side, away from the fixing block and the clamping block, of the arc-shaped block, and the T-shaped block is tightly matched with the T-shaped groove.

Preferably, one end of the supporting block, which is far away from the fixing block, is fixedly connected with an inclined block.

Preferably, the side surface of the holding rod is bonded with an anti-slip sleeve.

Preferably, the bottom end of the arc-shaped block is contacted with the top end of the supporting block, and the top end of the arc-shaped block is flush with the top ends of the fixing block and the clamping block.

The invention provides a part clamping device for metal heat treatment, which has the beneficial effects that:

according to the clamping device, the clamping blocks, the fixing blocks and the supporting blocks are arranged to increase the contact area when the block-shaped heat treatment parts are clamped, and the fastening bolts are used for applying pressure to the side faces of the gears, so that the gears are fixed relative to the holding rod, the pull rod is prevented from moving relative to the holding rod after clamping and fixing are completed, and the parts are prevented from falling off from the clamping device after clamping is completed.

Drawings

FIG. 1 is a schematic top view of a part holder for heat treatment of metals according to the present invention;

FIG. 2 is a schematic front view of a part holding device for heat treatment of metals according to the present invention;

fig. 3 is an enlarged view of a portion of fig. 2 at this point.

In the figure: the clamping device comprises a holding rod 1, a fixing block 2, a supporting block 3, an arc-shaped block 4, a T-shaped block 5, a clamping block 6, a gear 7, a rotating shaft 8, a pull rod 9, a tooth block 10, a rotating hole 11, a mounting hole 12, an inclined block 13, a T-shaped groove 14, a fastening bolt 15, a tooth socket 16, a through hole 17, a placing hole 18, a return spring 19, a concave frame 20, a threaded hole 21 and an anti-skidding sleeve 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.