Wire welding positioning device for automobile heating pad

Abstract

The utility model relates to an automobile heating pad wire welding positioning device, and belongs to the field of automobile accessory production, the automobile heating pad wire welding positioning device comprises a rack, a pre-positioning mechanism and a conveying clamp, the pre-positioning mechanism is used for determining the relative positions and postures of two wire ends, and the conveying clamp is in sliding connection with the rack; and the conveying clamp is used for clamping the wire and moving the wire from the pre-positioning mechanism to the welding equipment. Before welding, posture adjustment and relative fixation are conducted on the wire through the pre-positioning mechanism, and the position precision and stability of the end of the wire in the welding process are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of automobile product production, in particular to a wire welding positioning device for automobile heating pads. BACKGROUND

[0002] The automobile heating pad is a seat pad for heating the seat of a vehicle, so that people do not feel cold when driving the vehicle.

[0003] The automobile heating pad is heated by using electric energy, so the heating pad comprises a flexible heating body and wires, two wires, the end heads of the two wires are close to each other and arranged side by side, the end head of each wire is provided with a terminal, and the terminal is welded and fixed with the end head of the wire. The volume of the wire end head and the terminal is relatively small, and the corresponding welding point is also small, so the positioning accuracy of the wire end head during welding is relatively high, and the current positioning mode is manual positioning, that is, the operator holds the wire, and the wire end head with the terminal is inserted into the welding equipment, so the positioning accuracy is low. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the above problems, the application provides a wire welding positioning device for an automobile heating pad.

[0005] The wire welding positioning device for the automobile heating pad provided by the application adopts the following technical scheme:

[0006] A wire welding positioning device for an automobile heating pad, comprising a rack, a pre-positioning mechanism and a conveying clamp, the pre-positioning mechanism is used for determining the relative position and posture of the end heads of the two wires, the conveying clamp is slidably connected with the rack, and the conveying clamp is used for clamping the wires and moving the wires from the pre-positioning mechanism to the welding equipment.

[0007] By adopting the above technical scheme, the operator first adjusts the wire end head with the terminal through the pre-positioning mechanism, so that the wire end head is in the posture to be welded and processed, and then the conveying clamp moves the two wires to the welding equipment for welding and processing under the condition that the posture is unchanged, so that the automation degree of welding positioning and the welding precision are improved.

[0008] Preferably, the pre-positioning mechanism comprises an end head positioning assembly, the end head positioning assembly comprises a depth positioning block and an end head clamp, one end of the wire with the terminal is vertically abutted with the depth positioning block, the end head clamp is arranged on the depth positioning block and is used for clamping the end head of the wire, and the depth positioning block is provided with a positioning groove which is in abutment with the end head of the wire.

[0009] Preferably, a contact sensor is arranged on the depth positioning block and in the positioning groove, and the contact sensor is electrically connected with the control system of the end head clamp.

[0010] By adopting the technical scheme, after the wire end is inserted into the positive slot and contacts the contact sensor, when the terminals of the two wire ends contact the contact sensor at the same time, it is proved that the wire ends of the two wires are in the positioning position, and at this time, the end clamp is started to clamp the two wire ends.

[0011] Preferably, the pre-positioning mechanism further comprises a placing groove and a gate plate, the placing groove is fixedly connected with the rack and located on the side of the depth positioning block facing the wire, and the gate plate is relatively slidably connected with the rack and slides towards or away from the placing groove, the side of the gate plate facing the placing groove is provided with two positioning notches, and each positioning notch is matched with a wire.

[0012] Preferably, a plurality of mouth pieces are fixedly connected with the side of the gate plate facing the placing groove, and the positioning notches are formed between adjacent two mouth pieces, and the wires pass through the positioning notches when the wires abut against the placing groove and the gate plate at the same time.

[0013] By adopting the technical scheme, when the gate plate moves towards the placing groove, the space formed by the positioning notches and the surface of the placing groove clamps and fixes the middle part of the wire, and the relative positions of the two positioning notches form the positioning effect on the two wires.

[0014] Preferably, the depth positioning block is slidably connected with the rack, and the sliding direction is perpendicular to the length direction of the wire, and the clamping point of the conveying clamp on the wire is located between the placing groove and the end clamp.

[0015] By adopting the technical scheme, when the wire end and the middle part are positioned relative to each other, the end positioning assembly moves away from the placing groove, so that a position for the conveying clamp to clamp is formed between the wire end and the middle part.

[0016] Preferably, the end clamp is a claw cylinder, the claw cylinder comprises a cylinder body and two clamping rods, the cylinder body is fixedly connected with the depth positioning block, and the two clamping rods are slidably connected with the cylinder body and slide towards or away from each other, the two wires are located between the two clamping rods, and a clamping groove matched with the wire end is formed in the clamping rod.

[0017] In summary, the present application has at least one of the following beneficial technical effects:

[0018] 1. By arranging the pre-positioning mechanism and the conveying clamp, the operator first adjusts the wire end with the terminal through the pre-positioning mechanism to make it in the posture to be welded, and then the conveying clamp moves the two wires to the welding equipment for welding under the premise of keeping the posture unchanged, thereby improving the automation degree of welding positioning and the welding precision.

[0019] 2. By the setting of the end positioning assembly and the placement sill and the gate, the end clamp and the gate respectively position each wire at two points, the clamping position of the conveying clamp on the wire is between the two points where the wire is positioned, so that the positioning accuracy of the conveying clamp on the wire is higher. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure schematic diagram of the automobile heating pad wire welding positioning device in the embodiment of the application.

[0021] Figure 2 is the overall structure schematic diagram of the pre-positioning mechanism in the embodiment of the application.

[0022] Mark explanation: 1, rack; 2, pre-positioning mechanism; 21, placement sill; 22, gate; 23, port piece; 231, positioning notch; 24, end clamp; 241, cylinder; 242, clamping rod; 2421, clamping groove; 25, end positioning assembly; 251, depth positioning block; 252, positioning groove; 3, conveying clamp; 4, welding equipment; 5, wire; 51, terminal. DETAILED DESCRIPTION

[0023] The following will be combined with the Figures 1-2 The application is further described in detail.

[0024] The embodiment of the application discloses an automobile heating pad wire welding positioning device, as shown in Figure 1 and 2 , comprising a rack 1, the rack 1 is provided with a conveying clamp 3, the conveying clamp 3 is slidably connected with the rack 1 through an electric sliding table; along the moving direction of the conveying clamp 3, the rack 1 is sequentially provided with a pre-positioning mechanism 2 and a welding equipment 4, the pre-positioning mechanism 2 is used for determining the relative position of two wires 5 with terminals 51, the conveying clamp 3 is used for clamping and moving the two wires 5 on the pre-positioning mechanism 2 to the welding equipment 4, and the welding equipment 4 is used for welding the end of the wire 5, so that the wire 5 end and the terminal 51 are welded and fixed.

[0025] As shown in Figure 1 and 2As shown in the figure, the two wires 5 of the heating pad are arranged close to each other and in parallel, and the ends of the two wires 5 are sleeved with terminals 51, and before entering the welding device 4, the terminals 51 are only sleeved or clamped on the ends of the wires 5. The pre-positioning mechanism 2 includes an end positioning assembly 25, a placing sill 21 and a gate plate 22, the end positioning assembly 25 includes a depth positioning block 251 and an end clamp 24, the placing sill 21 is fixedly connected with the rack 1, and the gate plate 22 is located above the placing sill 21 and is slidingly arranged on the rack 1 in a vertical up-down direction. The depth positioning block 251 is located on the side of the placing sill 21 away from the operator, and the operator manually passes the wires 5 through the gap between the placing sill 21 and the gate plate 22 and close to the depth positioning block 251.

[0026] As shown in the figure, Figure 2 The depth positioning block 251 is provided with two positioning grooves 252 on the side facing the placing sill 21, and a contact sensor (not shown in the figure) is arranged on the depth positioning block 251 and in the positioning groove 252, and the contact sensor and the control system of the end clamp 24 are electrically connected; the end clamp 24 is installed on the side of the depth positioning block 251 facing the wires 5, and the end clamp 24 is a jaw cylinder, which includes a cylinder body 241 and two clamping rods 242, the cylinder body 241 is fixedly connected with the depth positioning block 251, and the two clamping rods 242 are slidingly connected with the cylinder body 241 in opposite or opposite directions and in a vertical direction, the lengths of the two clamping rods 242 are horizontal, and the positioning groove 252 is located between the two clamping rods 242. A clamping groove 2421 matched with the end of the wire 5 is formed on the clamping rod 242, and the arrangement direction of the two wires 5 close to the depth positioning block 251 is horizontal. When the terminals 51 of the ends of the two wires 5 contact the contact sensor at the same time, the jaw cylinder is started, and the two clamping rods 242 move towards each other and clamp the ends of the two wires 5 through the clamping grooves 2421.

[0027] As shown in the figure, Figure 2 The side of the gate plate 22 facing the placing sill 21 is fixedly connected with four flaps 23, and the adjacent two flaps 23 form a positioning gap 231. When the wires 5 are placed on the placing sill 21, the gate plate 22 moves downward, and the wires 5 abut against the placing sill 21 and the gate plate 22 at the same time, and a single positioning gap 231 can position a wire 5 in the transverse direction, so that the relative position of the two wires 5 is determined.

[0028] As shown in the figure, Figure 2As shown, the depth positioning block 251 is slidingly connected with the rack 1, the sliding direction is horizontal and consistent with the penetrating direction of the wire 5, that is, the depth positioning block 251 can move close to or away from the placing sill 21, and the rack 1 is provided with a pneumatic cylinder for controlling the movement of the depth positioning block 251. After the wire 5 end is clamped by the end clamp 24, the depth positioning block 251 moves away from the placing sill 21, so that a gap is formed between the wire 5 end and the placing sill 21, and then the shutter plate 22 moves downward, and the two wires 5 are clamped into the corresponding positioning notches 231 respectively; at this time, the two wires 5 between the end clamp 24 and the shutter plate 22 have high certainty of position and posture, and this part of the wire 5 is the force point to be clamped by the transmission clamp 3.

[0029] The implementation principle of the wire 5 welding positioning device of the automobile heating pad according to the embodiment of the application is as follows:

[0030] The end positioning assembly 25 positions and clamps the end of the wire 5, and the shutter plate 22 and the placing sill 21 position and clamp the middle point of the wire 5, that is, there are two positioning points on each wire 5, and the clamping position of the transmission clamp 3 on the wire 5 is between the two positioning points, so that the clamping precision and posture keeping of the wire 5 have high accuracy.

[0031] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An automotive heating mat wire welding positioning device, characterized by: The device comprises a rack (1), a pre-positioning mechanism (2) for determining the relative position and posture of the two wire (5) ends, and a conveying clamp (3) slidingly connected with the rack (1) and used for clamping the wires (5) and moving from the pre-positioning mechanism (2) to the welding equipment (4).

2. A device for positioning a wire (5) for a heating mat of a vehicle according to claim 1, characterized in that: The pre-positioning mechanism (2) comprises an end positioning assembly (25) comprising a depth positioning block (251) and an end clamp (24), one end of the wire (5) with a terminal (51) vertically abutting against the depth positioning block (251), and the end clamp (24) being arranged on the depth positioning block (251) and used for clamping the wire (5) end, and the depth positioning block (251) being provided with a positioning groove (252) for abutting against the wire (5) end.

3. A device for positioning a wire (5) for a heating mat of a vehicle according to claim 2, characterized in that: A contact sensor is arranged on the depth positioning block (251) and in the positioning groove (252), and the contact sensor is electrically connected with the control system of the end clamp (24).

4. A device for positioning a heating mat wire (5) for welding according to claim 2 or 3, characterized in that: The pre-positioning mechanism (2) further comprises a placement sill (21) and a gate plate (22), the placement sill (21) being fixedly connected with the rack (1) and located on the side of the depth positioning block (251) facing the wire (5), and the gate plate (22) slidingly relative to the rack (1) and moving towards or away from the placement sill (21), and the side of the gate plate (22) facing the placement sill (21) being provided with two positioning notches (231), and each positioning notch (231) being matched with one wire (5).

5. A device for positioning a wire (5) for a heating mat of a vehicle according to claim 4, characterized in that: The side of the gate plate (22) facing the placement sill (21) is fixedly connected with a plurality of mouth pieces (23), and the positioning notches (231) are formed between two adjacent mouth pieces (23), and when the wire (5) abuts against the placement sill (21) and the gate plate (22) at the same time, the wire (5) passes through the positioning notches (231).

6. A device for positioning a wire (5) for a heating mat of a vehicle according to claim 4, characterized in that: The depth positioning block (251) is slidingly connected with the rack (1) and the sliding direction is perpendicular to the length direction of the wire (5), and the clamping point of the conveying clamp (3) on the wire (5) is located between the placement sill (21) and the end clamp (24).

7. A device for positioning a wire (5) for a heating mat of a vehicle according to claim 2 or 3, characterized in that: The end clamp (24) is a jaw cylinder, the jaw cylinder comprises a cylinder body (241) and two clamping rods (242), the cylinder body (241) is fixedly connected with the depth positioning block (251), and the two clamping rods (242) are slidingly connected with the cylinder body (241) and the sliding direction is opposite or away from each other, the two wires (5) are located between the two clamping rods (242), and the clamping rod (242) is provided with a clamping groove (2421) matched with the wire (5) end.

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