Torque converter shell clamp

Abstract

The utility model relates to the technical field of tool clamps, and discloses a torque converter shell clamp which comprises a base, a guide step circle is fixed to the lower surface of the base, a plurality of arc grooves are formed in the side wall of the base in a circular array mode, and a supporting seat is fixed to the center of the upper surface of the base. A plurality of hanging rings are fixed to the periphery of the upper surface of the base in a circular array distribution mode, a stop pin is fixed to the position, located on one side of one hanging ring, of the periphery of the upper surface of the base, a plurality of cushion blocks and a plurality of pressing pieces are fixed to the upper surface of the base, and workpieces are placed on the surfaces of the cushion blocks. According to the utility model, the machining alignment time is shortened, and the machining efficiency and machining quality of workpieces are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wage clamps, in particular to a torque converter housing clamp. Background Art

[0002] The torque converter housing of the forklift transmission system cannot be processed on a vertical lathe due to its large size. It can only be processed on a vertical machining center. The processing content includes turning inner holes, turning end faces, drilling, and tapping. The workpiece is placed on the workbench, and after the table is checked, the pressure plate is pressed for processing. Because the table is checked one by one, the efficiency is very low and the position accuracy is not high, it needs to be improved. For this reason, a torque converter housing fixture is designed. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the utility model is to provide a torque converter housing clamp to reduce machining alignment time and improve the machining efficiency and machining quality of workpieces.

[0004] According to the torque converter housing clamp proposed by the utility model, it includes a base, a guide step circle is fixed on the lower surface of the base, a plurality of arc grooves are distributed in a circular array on the side wall of the base, a support seat is fixed at the center position of the upper surface of the base, a plurality of lifting rings are fixed in a circular array on the periphery of the upper surface of the base, a stop pin is fixed on the periphery of the upper surface of the base and on one side of one of the lifting rings, a plurality of pads and a plurality of pressing pieces are fixed on the upper surface of the base, and a workpiece is placed on the surface of the pads.

[0005] Preferably, the installation positions of the cushion block and the pressing member are distributed and fixed according to the shape of the workpiece.

[0006] Preferably, the installed number of the cushion blocks is the same as the installed number of the pressing members.

[0007] Preferably, the pressing part includes a stud bolt and a pressure rod fixed on the upper surface of the base, the stud bolt and the top of the pressure rod are jointly mounted with a pressure plate, a waist-shaped through hole is opened on the surface of the pressure plate, the stud bolt is mounted inside the waist-shaped through hole, and a locking nut is threadedly installed on one end of the stud bolt extending out of the waist-shaped through hole, a spring is mounted on the surface of the stud bolt, a docking groove is opened on the lower surface of the pressure plate, and the top of the pressure rod is movably docked with the docking groove.

[0008] Preferably, the contact end between the pressing plate and the workpiece is chamfered.

[0009] The beneficial effects of the present invention are:

[0010] 1. Special fixtures ensure processing quality;

[0011] 2. Only the first piece needs to be aligned, which saves the alignment time for each piece and improves processing efficiency;

[0012] 3. Easy to clamp, easy to operate and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a top view of the support base installation structure of the torque converter housing clamp proposed by the utility model.

[0014] Figure 2 This is a left view of the support base installation structure of the torque converter housing clamp proposed by the utility model.

[0015] Figure 3 The present invention is a schematic diagram of workpiece placement and positioning of the torque converter housing fixture proposed by the present invention.

[0016] Figure 4 The figure is a schematic diagram of the pressing piece structure of the torque converter housing clamp proposed by the utility model.

[0017] In the figure: 1. base; 2. guide step circle; 3. support seat; 4. cushion block; 5. stop pin; 6. pressing piece; 7. arc groove; 8. workpiece. DETAILED DESCRIPTION

[0018] Reference Figure 1-4 The torque converter housing fixture includes a base 1, a guide step circle 2 is fixed on the lower surface of the base 1, a plurality of arc grooves 7 are arranged in a circular array on the side wall of the base 1, a support seat 3 is fixed at the center of the upper surface of the base 1, a plurality of lifting rings are fixed in a circular array on the periphery of the upper surface of the base 1, a stop pin 5 is fixed on the periphery of the upper surface of the base 1 and on one side of one of the lifting rings, a plurality of pads 4 and a plurality of pressing members 6 are fixed on the upper surface of the base 1, and a workpiece 8 is placed on the surface of the pad 4.

[0019] The installation positions of the cushion block 4 and the pressing member 6 are distributed and fixed according to the shape of the workpiece 8. Figure 1 .

[0020] The number of the installed cushion blocks 4 is the same as the number of the installed pressing members 6 . In this embodiment, four cushion blocks 4 and four pressing members 6 are used.

[0021] The pressing member 6 includes a stud bolt and a pressure rod fixed on the upper surface of the base 1, and the top of the stud bolt and the pressure rod are jointly mounted with a pressure plate, a waist-shaped through hole is opened on the surface of the pressure plate, the stud bolt is mounted inside the waist-shaped through hole, and one end of the stud bolt extending out of the waist-shaped through hole is threadedly installed with a locking nut, a spring is mounted on the surface of the stud bolt, a docking groove is opened on the lower surface of the pressure plate, and the top of the pressure rod is movably docked with the docking groove.

[0022] The contact end between the pressing plate and the workpiece 8 is chamfered.

[0023] When the device is used, first fix the fixture to the workbench. The fixture base 1 is a stepped disc with a guide step circle 2 below, which is convenient for the installation of the fixture base 1. After the fixture is matched with the machine tool workbench through the guide step circle 2, the fixture is fixed with three soft claws (120° distribution) on the vertical lathe. The workpiece 8 is fixed to the fixture: the support seat 3 is an important guide element on the fixture, which is fixed by bolts installed by three bolt holes. There are four pads 4 of two specifications on the fixture for support. During processing, the workpiece 8 is placed on the four pads 4 through the support seat 3. The position of the workpiece 8 is adjusted, and the straight edge of one end of the workpiece 8 is pressed against the stop pin 5. In this way, the freedom of the workpiece 8 in the up and down directions is determined. The direction of rotation is determined by the stop pin 5, and all the freedoms of the workpiece 8 are determined. For easy installation, all the pressure plate heads are processed with a 30° chamfer 22, and the workpiece 8 is supported by four pads 4 below, and there is a pressure plate above the corresponding position to press. At this point, the workpiece 8 is fixed and waiting for processing.

[0024] Since the maximum diameter of the three-jaw chuck of a general vertical lathe is φ810, but the part is large in size, the overall diameter of the fixture (φ830) is large and cannot be installed on the lathe. The fixture can be used on existing vertical lathes by milling three evenly distributed arcs, solving the problem that parts like this cannot be processed on vertical lathes.

Claims

1. Torque converter housing fixture, characterized by: It includes a base, a guide step circle is fixed on the lower surface of the base, a plurality of arc grooves are distributed in a circular array on the side wall of the base, a support seat is fixed at the center position of the upper surface of the base, a plurality of hanging rings are fixed in a circular array on the periphery of the upper surface of the base, a stop pin is fixed on the periphery of the upper surface of the base and on one side of one of the hanging rings, a plurality of pads and a plurality of pressing pieces are fixed on the upper surface of the base, and a workpiece is placed on the surface of the pads.

2. The torque converter housing clamp according to claim 1, characterized in that: The installation positions of the cushion block and the pressing member are distributed and fixed according to the shape of the workpiece.

3. The torque converter housing clamp according to claim 1, characterized in that: The installed number of the cushion blocks is the same as the installed number of the pressing members.

4. The torque converter housing clamp according to claim 1, characterized in that: The pressing part includes a stud bolt and a pressure rod fixed on the upper surface of the base, the stud bolt and the top of the pressure rod are jointly mounted with a pressure plate, a waist-shaped through hole is opened on the surface of the pressure plate, the stud bolt is mounted inside the waist-shaped through hole, and a locking nut is threadedly installed on one end of the stud bolt extending out of the waist-shaped through hole, a spring is mounted on the surface of the stud bolt, a docking groove is opened on the lower surface of the pressure plate, and the top of the pressure rod is movably docked with the docking groove.

5. The torque converter housing clamp according to claim 4, characterized in that: The contact end between the pressing plate and the workpiece is chamfered.

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