Positioning clamp for machining of automobile exhaust aftertreatment assembly

Abstract

The utility model discloses a positioning fixture for automobile exhaust aftertreatment assembly processing, which comprises a base, one side of the base is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a straight gear, the base is internally provided with a moving block, the lower end of the moving block is fixedly connected with a rack, and the rack is fixedly connected with the straight gear. A movable block is fixedly connected to the upper end of the base, a bracket is fixedly connected to the upper end of the movable block, two stand columns are fixedly connected to the upper end of the base, positioning mechanisms are fixedly connected to the upper ends of the two stand columns, each positioning mechanism comprises a positioning block, a second motor is fixedly connected to the upper end of each positioning block, and rotating rods are fixedly connected to two output shafts of each second motor. By arranging the first motor, the straight gear, the moving block, the rack, the sliding groove, the sliding rod and the sliding block, the bracket can be conveniently driven to move, the tail gas treatment assembly is placed on the bracket during clamping through the bracket, clamping can be completed, manual carrying type clamping is not needed, and the labor intensity of workers is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for processing an automobile exhaust after-treatment assembly. Background Art

[0002] As vehicle exhaust emission standards become more stringent, vehicles are generally equipped with an engine after-treatment assembly to treat exhaust gas.

[0003] The existing exhaust gas after-treatment assembly needs to be positioned and clamped by a positioning fixture during processing to facilitate subsequent processing. However, when the existing positioning fixture is used to clamp the exhaust gas after-treatment assembly, it needs to be manually moved to the fixture, which increases the labor intensity of the staff.

[0004] 1. CN 201620722155. Provided is an adjustable multi-station fixture. This fixture consists of a base plate, a fixture plate assembly, and multiple fastening screws. The base plate is provided with two base plate chutes, each of which is provided with multiple base plate positioning holes. The fixture plate assembly consists of a multi-station fixture plate and two fixture adjustment plates. The fixture adjustment plates are provided with fixture adjustment plate chutes and two fixture adjustment plate sliders. The multi-station fixture plate is provided with multiple low-position fixture holders, multiple high-position fixture holders, and multiple fixture plate fixing holes. The fixture adjustment plate chutes are provided with multiple fixture adjustment plate positioning holes, and the fixture adjustment plate sliders are provided with multiple fixture plate fixing holes. During operation, only the main fixture plate needs to be replaced, and the distance between the two fixture adjustment plates can be adjusted according to the length of the multi-station fixture plate. The fixture plate can be replaced without disassembling the entire fixture, reducing replacement weight and improving operation efficiency. However, this does not involve positioning and clamping for processing the bracket assembly. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning fixture for processing automobile exhaust after-treatment assemblies, which can conveniently drive the bracket to move through a first motor, a spur gear, a moving block, a rack, a slide groove, a slide rod, and a slider. When clamping, the exhaust treatment assembly is placed on the bracket through the bracket to complete the clamping, without the need for manual handling and clamping, thereby reducing the labor intensity of the staff.

[0006] To achieve the above objectives, a positioning fixture for machining an automobile exhaust after-treatment assembly is provided, comprising a base, a first motor being fixedly connected to one side of the base, a spur gear being fixedly connected to the output shaft of the first motor, a moving block being provided inside the base, a rack being fixedly connected to the lower end of the moving block, and a bracket being fixedly connected to the upper end of the moving block;

[0007] The upper end of the base is fixedly connected to two columns, and the upper ends of the two columns are fixedly connected to a positioning mechanism, the positioning mechanism includes a positioning block, the upper end of the positioning block is fixedly connected to a second motor, and the two output shafts of the second motor are fixedly connected to a rotating rod, one side of the two rotating rods is fixedly connected to a first bevel gear, and both sides of the positioning block are fixedly connected to a mounting frame, the upper ends of the two mounting frames are provided with a second bevel gear, and the lower ends of the two second bevel gears are fixedly connected to a winding wheel, and the surfaces of the two winding wheels are provided with an anti-slip tight hoop.

[0008] According to the positioning fixture for processing automobile exhaust after-treatment assemblies, the base is symmetrically provided with sliding grooves, the interior of the sliding grooves is fixedly connected to a sliding rod, the outer surface of the sliding rod is slidably connected to a slider, and one side of the slider is fixedly connected to the side wall of the moving block.

[0009] According to the positioning fixture for processing an automobile exhaust after-treatment assembly, the spur gear is meshed with the rack.

[0010] According to the positioning fixture for machining an automobile exhaust after-treatment assembly, the first bevel gear is meshed with the second bevel gear.

[0011] According to the positioning fixture for processing an automobile exhaust after-treatment assembly, a support seat is symmetrically provided on the upper end of the positioning block, and the rotating rod passes through the support seat.

[0012] According to the positioning fixture for processing an automobile exhaust after-treatment assembly, the anti-slip clamp is cross-arranged inside the positioning block.

[0013] According to the positioning fixture for processing an automobile exhaust gas after-treatment assembly, the exhaust gas treatment assembly is clamped inside the two positioning mechanisms.

[0014] According to the positioning fixture for processing an automobile exhaust after-treatment assembly, a positioning hole is provided inside the positioning block.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 2. This positioning fixture for processing automobile exhaust after-treatment assembly is convenient for moving the bracket by setting a first motor, a spur gear, a moving block, a rack, a slide groove, a slide rod, and a slider. When clamping, the exhaust treatment assembly is placed on the bracket through the bracket to complete the clamping. No manual handling clamping is required, which reduces the labor intensity of the staff.

[0017] 3. This positioning fixture for processing automobile exhaust after-treatment assembly facilitates positioning and clamping of the exhaust treatment assembly by setting a positioning block, a support seat, a second motor, a rotating rod, a first bevel gear, a second bevel gear, a mounting frame, a winding wheel, and an anti-slip clamp of the positioning mechanism.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0020] Figure 1 This is a three-dimensional diagram of a positioning fixture for processing an automobile exhaust after-treatment assembly according to the present utility model;

[0021] Figure 2 This is a schematic diagram of the positioning of an exhaust assembly of a positioning fixture for machining an automobile exhaust after-treatment assembly according to the present invention;

[0022] Figure 3 This is a schematic structural diagram of a moving block of a positioning fixture for machining an automobile exhaust after-treatment assembly according to the present invention;

[0023] Figure 4 The utility model is a structural schematic diagram of a positioning mechanism of a positioning fixture for processing an automobile exhaust after-treatment assembly.

[0024] In the figure: 1. base; 2. first motor; 3. spur gear; 4. moving block; 5. rack; 6. slide groove; 7. slide bar; 8. slider; 9. bracket; 10. column; 11. positioning mechanism; 12. exhaust gas treatment assembly; 13. positioning hole; 111. positioning block; 112. support seat; 113. second motor; 114. rotating rod; 115. first bevel gear; 116. mounting frame; 117. second bevel gear; 118. take-up wheel; 119. anti-slip tight hoop. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.

[0026] See also Figure 1-4, the embodiment of the utility model provides a technical solution: a positioning fixture for processing an automobile exhaust after-treatment assembly, comprising a base 1, one side of the base 1 is fixedly connected to a first motor 2, the output shaft of the first motor 2 is fixedly connected to a spur gear 3, a moving block 4 is provided inside the base 1, the lower end of the moving block 4 is fixedly connected to a rack 5, the spur gear 3 is meshed with the rack 5, and the upper end of the moving block 4 is fixedly connected to a bracket 9. By arranging the first motor 2, the spur gear 3, the moving block 4, the rack 5, the slide 6, the slide bar 7, and the slide block 8, it is convenient to drive the bracket 9 to move. When clamping, the exhaust treatment assembly 12 is placed on the bracket 9 through the bracket 9 to complete the clamping, without the need for manual handling clamping, thereby reducing the labor intensity of the staff;

[0027] The upper end of the base 1 is fixedly connected to two columns 10, and the upper ends of the two columns 10 are fixedly connected to a positioning mechanism 11. The positioning mechanism 11 includes a positioning block 111. The upper end of the positioning block 111 is fixedly connected to a second motor 113. The two output shafts of the second motor 113 are fixedly connected to a rotating rod 114. One side of the two rotating rods 114 is fixedly connected to a first bevel gear 115. Both sides of the positioning block 111 are fixedly connected to a mounting bracket 116. The upper ends of the two mounting brackets 116 are provided with a second bevel gear. 117, the first bevel gear 115 is meshed with the second bevel gear 117, and the lower ends of the two second bevel gears 117 are fixedly connected to the winding wheel 118, and the surfaces of the two winding wheels 118 are wrapped with an anti-slip tight hoop 119. By arranging the positioning block 111, the support seat 112, the second motor 113, the rotating rod 114, the first bevel gear 115, the second bevel gear 117, the mounting frame 116, the winding wheel 118, and the anti-slip tight hoop 119 of the positioning mechanism 11, it is convenient to position and clamp the exhaust gas treatment assembly 12.

[0028] The base 1 is symmetrically provided with a slide groove 6 inside, and a slide rod 7 is fixedly connected inside the slide groove 6. The outer surface of the slide rod 7 is slidably connected to a slider 8. One side of the slider 8 is fixedly connected to the side wall of the moving block 4. By setting the slide groove 6, the slide rod 7, and the slider 8, the movement of the moving block 4 is facilitated. The upper end of the positioning block 111 is symmetrically provided with a support seat 112, and the rotating rod 114 passes through the support seat 112 to support the rotating rod 114. The anti-slip tight hoop 119 is cross-arranged inside the positioning block 111, and the inner surface of the anti-slip tight hoop 119 is provided with an anti-slip surface to improve the clamping effect of the exhaust gas treatment assembly 12. The exhaust gas treatment assembly 12 is clamped inside the two positioning mechanisms 11, and a positioning hole 13 is provided inside the positioning block 111.

[0029] Working principle: When in use, turn on the power and start the first motor 2. The first motor 2 drives the spur gear 3 to rotate, and the spur gear 3 drives the moving block 4 to move through the rack 5. The moving block 4 drives the bracket 9 to move, and moves it away from the positioning mechanism 11. The exhaust gas treatment assembly 12 is placed on the bracket 9. Hold one end of the exhaust gas treatment assembly 12 with one hand, and start the first motor 2 again. The first motor 2 drives the spur gear 3 to rotate, and the spur gear 3 drives the moving block 4 to move through the rack 5. The moving block 4 drives the bracket 9 to move, so that the exhaust gas treatment assembly 12 on the bracket 9 enters the positioning hole 13. Start the second motor 113. The second motor 113 drives the rotating rod 114 to rotate. The rotating rod 114 drives the first bevel gear 115 to rotate. The first bevel gear 115 drives the second bevel gear 117 to rotate. The second bevel gear 117 drives the winding wheel 118 to wind up, and then tightens the anti-slip tight hoop 119, and then positions and clamps the exhaust gas treatment assembly 12.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A positioning fixture for processing an automobile exhaust after-treatment assembly, comprising a base (1), characterized in that: A first motor (2) is fixedly connected to one side of the base (1), an output shaft of the first motor (2) is fixedly connected to a spur gear (3), a moving block (4) is provided inside the base (1), a rack (5) is fixedly connected to the lower end of the moving block (4), and a bracket (9) is fixedly connected to the upper end of the moving block (4); The upper end of the base (1) is fixedly connected to two columns (10), and the upper ends of the two columns (10) are fixedly connected to a positioning mechanism (11), and the positioning mechanism (11) includes a positioning block (111), the upper end of the positioning block (111) is fixedly connected to a second motor (113), and the two output shafts of the second motor (113) are fixedly connected to a rotating rod (114), and one side of the two rotating rods (114) is fixedly connected to a first bevel gear (115), and both sides of the positioning block (111) are fixedly connected to a mounting frame (116), and the upper ends of the two mounting frames (116) are provided with a second bevel gear (117), and the lower ends of the two second bevel gears (117) are fixedly connected to a winding wheel (118), and the surfaces of the two winding wheels (118) are wrapped with an anti-slip tight hoop (119).

2. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: A sliding groove (6) is symmetrically provided inside the base (1), a sliding rod (7) is fixedly connected inside the sliding groove (6), a sliding block (8) is slidably connected to the outer surface of the sliding rod (7), and one side of the sliding block (8) is fixedly connected to the side wall of the moving block (4).

3. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: The spur gear (3) is meshed with the rack (5).

4. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: The first bevel gear (115) is meshed with the second bevel gear (117).

5. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: A support seat (112) is symmetrically provided at the upper end of the positioning block (111), and the rotating rod (114) passes through the support seat (112).

6. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: The anti-slip tight hoop (119) is cross-arranged inside the positioning block (111).

7. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: The exhaust gas treatment assembly (12) is clamped inside the two positioning mechanisms (11).

8. The positioning fixture for processing an automobile exhaust after-treatment assembly according to claim 1, characterized in that: A positioning hole (13) is provided inside the positioning block (111).

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