A clamp for screening automobile lower cross arm blanks

Abstract

The utility model relates to a clamp for screening automobile lower cross arm blanks in the field of automobile processing technology, comprising a bottom plate, a V-shaped block, a height pad, a positioning seat, a positioning bolt, an adjustment block, an adjustment bolt 1, an adjustment bolt 2, a center ruler, a V-shaped fixing seat and a positioning sleeve, wherein the height pad and the V-shaped fixing seat are respectively arranged at the front and rear ends of the bottom plate, the height pad is arranged corresponding to the large hole end of the automobile lower cross arm blank, the top left side of the height pad is vertically threadedly connected with an adjustment bolt 1, the adjustment bolt 1 is supported below the supporting part of the large hole end of the automobile lower cross arm blank, the adjustment block is arranged on the right side of the top of the height pad, the adjustment block is threadedly connected with a horizontally arranged adjustment bolt 2, two V-shaped blocks are symmetrically arranged on both sides of the V-shaped fixing seat and are used to support two cylindrical parts at the corresponding ends of the automobile lower cross arm blank. The device can be used to quickly measure the positioning dimensions of the automobile lower cross arm blank during machining, and improve the classification and processing efficiency of the automobile lower cross arm blank.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile processing, in particular to a clamp for screening automobile lower cross arm blanks. Background Art

[0002] The blank of the automobile lower cross arm is made by casting process, and there will be errors in the external dimensions. In order to avoid large positioning errors when positioning with the blank surface during machining, it is necessary to classify the blanks and group products with similar sizes to reduce the number of adjustments to the fixture during subsequent machining.

[0003] In the prior art, there is a lack of a special fixture for classifying the blanks of the automobile lower cross arm before processing, which makes the processing efficiency of the automobile lower cross arm low. Therefore, technical personnel in this field urgently need to develop a fixture for screening the blanks of the automobile lower cross arm. Utility Model Content

[0004] The purpose of this utility model is to solve the above technical problems, and its technical solution is:

[0005] A clamp for screening automobile lower cross arm blanks, comprising a bottom plate, a V-shaped block, a height pad, a positioning seat, a positioning bolt, an adjustment block, an adjustment bolt 1, an adjustment bolt 2, a center ruler, a V-shaped fixing seat and a positioning sleeve, wherein the height pad and the V-shaped fixing seat are respectively arranged at the front and rear ends of the bottom plate, and the height pad is arranged corresponding to the large hole end of the automobile lower cross arm blank, the top left side of the height pad is vertically threadedly connected with an adjustment bolt 1, and the adjustment bolt 1 is supported below the supporting part of the large hole end of the automobile lower cross arm blank, the adjustment block is arranged on the right side of the top of the height pad, and a horizontally arranged adjustment bolt 2 is threadedly penetrated and connected on the adjustment block, and two V-shaped blocks are symmetrically arranged on both sides of the V-shaped fixing seat The invention also provides a V-shaped fixing seat, a V-shaped fixing seat and a V-shaped fixing seat respectively, and the fixing bolt is connected to one side of the bottom plate through a horizontal thread. The fixing bolt is arranged corresponding to the fixing portion on the right side of the bottom plate of the automobile. The fixing sleeve is slidably connected to the V-shaped fixing seat, and the two ends of the fixing sleeve are respectively in conflict with the two cylindrical portions at the corresponding ends of the bottom plate of the automobile. A limiting ring is sleeved on the outer circular surface of the middle part of the fixing sleeve, and a connecting block is integrally provided on the top of the limiting ring. One end of the dividing ruler is hinged on the connecting block, and the other end of the dividing ruler can be rotated to the top of the height pad. A limiting groove matching the limiting ring is provided in the middle part of the V-shaped fixing seat.

[0006] Preferably, the positioning seat and the V-shaped block are detachably connected to the base plate by bolts, so as to facilitate assembly and disassembly.

[0007] Preferably, a weight-reducing hole extending from front to back is provided on the inner side of the height pad, which helps to reduce the weight of the device and facilitates its movement.

[0008] The utility model also includes other components that enable the normal use of a clamp for screening automobile lower cross arm blanks, all of which are conventional means in the field. In addition, devices or components not limited in the utility model, such as automobile lower cross arm blanks, all adopt the existing technology in the field.

[0009] The working principle of the utility model is that before processing, the automobile lower cross arm blank is first placed on two V-blocks and adjusting bolt 1, so that the positioning sleeve is in contact between the two cylindrical parts at the corresponding ends of the automobile lower cross arm blank, and the positioning part on the right side of the automobile lower cross arm blank is set close to the positioning bolt, and the contact error between the automobile lower cross arm blank and the V-block is adjusted by rotating the adjusting bolt 2. After the installation is completed, the center of the large hole end of the automobile lower cross arm blank is measured, and the dividing ruler is placed on the dividing center line of the large hole end to measure the positioning size of the automobile lower cross arm blank during machining, and then the products with similar positioning sizes and meeting the machining allowance are grouped and placed separately. When the automobile lower cross arm blanks of the same group are subsequently machined, it can be completed without adjusting the tooling, thereby improving the machining efficiency.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the device has a simple structure and is easy to operate, and can be used to quickly measure the positioning dimensions of automobile lower cross arm blanks during machining, thereby improving the classification efficiency and machining efficiency of automobile lower cross arm blanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model in the embodiment.

[0012] Figure 2 It is a schematic diagram of the use state of the utility model in the embodiment.

[0013] Figure 3 for Figure 2 Schematic diagram of the top view structure.

[0014] Figure 4 It is a schematic diagram of the three-dimensional structure of the lower cross arm blank of the automobile from one perspective in the embodiment.

[0015] Figure 5 It is a schematic diagram of the three-dimensional structure of the automobile lower cross arm blank from another perspective in the embodiment. DETAILED DESCRIPTION

[0016] The technology of the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Example

[0018] like Figures 1 to 5As shown, the present embodiment proposes a clamp for screening automobile lower cross arm blanks, comprising a base plate 1, a V-shaped block 2, a height pad 3, a positioning seat 4, a positioning bolt 5, an adjustment block 6, an adjustment bolt 1 7, an adjustment bolt 2 8, a dividing ruler 9, a V-shaped fixing seat 10 and a positioning sleeve 11, wherein the height pad and the V-shaped fixing seat are respectively arranged at the front and rear ends of the base plate, and the height pad is arranged corresponding to the large hole end 13 of the automobile lower cross arm blank 12, the top left side of the height pad is vertically threadedly connected with an adjustment bolt 1, and the adjustment bolt 1 is supported below the support portion 14 of the large hole end of the automobile lower cross arm blank, the adjustment block is arranged on the right side of the top of the height pad, and a horizontally arranged adjustment bolt 2 is threadedly connected on the adjustment block, and the two V-shaped blocks are symmetrically arranged Two cylindrical parts 15 are placed on both sides of the V-shaped fixing seat and are used to support the corresponding ends of the lower cross arm blank of the automobile. The positioning seat is arranged on the right side of the base plate, and the positioning bolt is horizontally threaded and connected to one side of the base plate. The positioning bolt is arranged corresponding to the positioning part 16 on the right side of the lower cross arm blank of the automobile. The positioning sleeve is slidably connected to the V-shaped fixing seat, and the two ends of the positioning sleeve are respectively in conflict with the two cylindrical parts at the corresponding ends of the lower cross arm blank of the automobile, and a limiting ring 17 is sleeved on the middle outer circular surface of the positioning sleeve, and a connecting block 18 is integrally arranged on the top of the limiting ring, one end of the dividing ruler is hinged on the connecting block, and the other end of the dividing ruler can be rotated to the top of the height pad, and a limiting groove 19 matching the limiting ring is provided in the middle of the V-shaped fixing seat.

[0019] Specifically, the positioning seat and the V-shaped block are detachably connected to the bottom plate by bolts, which is convenient for assembly and disassembly. The inner side of the height pad is provided with a weight-reducing hole 20 that passes through the front and back, which helps to reduce the weight of the device and facilitates movement.

[0020] The working principle of the utility model is that before processing, the automobile lower cross arm blank is first placed on two V-blocks and the adjusting bolt 1, so that the positioning sleeve is in contact between the two cylindrical parts at the corresponding ends of the automobile lower cross arm blank, and the positioning part on the right side of the automobile lower cross arm blank is set close to the positioning bolt, and the contact error between the automobile lower cross arm blank and the V-block is adjusted by rotating the adjusting bolt 2. After the installation is completed, the center of the large hole end of the automobile lower cross arm blank is measured, and the dividing ruler is placed on the dividing center line of the large hole end, and the positioning dimension L of the automobile lower cross arm blank during machining is measured, and then the products with similar positioning dimensions and meeting the machining allowance are grouped and placed separately. When the automobile lower cross arm blanks of the same group are subsequently machined, it can be completed without adjusting the tooling, thereby improving the machining efficiency.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamp for screening automobile lower cross arm blanks, comprising a bottom plate, characterized in that: The invention also includes a V-shaped block, a height pad, a positioning seat, a positioning bolt, an adjustment block, an adjustment bolt 1, an adjustment bolt 2, a center ruler, a V-shaped fixing seat and a positioning sleeve. The height pad and the V-shaped fixing seat are respectively arranged at the front and rear ends of the bottom plate, and the height pad is arranged corresponding to the large hole end of the blank of the lower cross arm of the automobile. The top left side of the height pad is vertically threadedly connected with an adjustment bolt 1, and the adjustment bolt 1 is supported below the supporting part of the large hole end of the blank of the lower cross arm of the automobile. The adjustment block is arranged on the right side of the top of the height pad, and the adjustment block is threadedly connected with a horizontally arranged adjustment bolt 2. Two V-shaped blocks are symmetrically arranged on both sides of the V-shaped fixing seat and are used to support the lower cross arm of the automobile. The two cylindrical parts at the corresponding ends of the cross arm blank, the positioning seat is arranged on the right side of the base plate, and the positioning bolt is horizontally threaded and connected to one side of the base plate, the positioning bolt is arranged corresponding to the positioning part on the right side of the lower cross arm blank of the automobile, the positioning sleeve is slidably connected to the V-shaped fixing seat, and the two ends of the positioning sleeve are respectively in conflict with the two cylindrical parts at the corresponding ends of the lower cross arm blank of the automobile, and a limiting ring is sleeved on the middle outer circular surface of the positioning sleeve, and a connecting block is integrally provided on the top of the limiting ring, one end of the dividing center ruler is hinged on the connecting block, and the other end of the dividing center ruler can be rotated to the top of the height pad, and the middle part of the V-shaped fixing seat is provided with a limiting groove matching the limiting ring.

2. The clamp for screening the blank of the lower cross arm of an automobile according to claim 1, characterized in that: The positioning seat and the V-shaped block are both detachably connected to the bottom plate by bolts.

3. The fixture for screening automobile lower cross arm blanks according to claim 1, characterized in that: The inner side of the height cushion block is provided with a weight-reducing hole which passes through from front to back.

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