Double-end clamp

Abstract

The utility model relates to a double-end clamp, relates to the technical field of railway vehicle maintenance equipment, and aims at solving the problems that a tool clamp is high in cost and low in grabbing efficiency. Comprising an adapter plate; the brake shoe clamp is arranged at one end of the adapter plate, and the brake shoe clamp is used for grabbing a brake shoe; the material frame clamp is arranged at the other end of the adapter plate, and the material frame clamp is used for grabbing a brake shoe material frame; the adapter plate is connected with an external turnover device, and the double-end clamp is configured in the mode that when an object to be grabbed is a brake shoe, the external turnover device switches the brake shoe clamp to grab by rotating the adapter plate, and when the object to be grabbed is a brake shoe material frame, the external turnover device switches the material frame clamp to grab by rotating the adapter plate. The double-end clamp is arranged and matched with an external turnover device, and therefore grabbing switching of the brake shoe material frame and the brake shoe can be achieved. That is, the double-end clamp integrates the grabbing function of the brake shoe material frame and the brake shoe. And therefore, the grabbing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway vehicle maintenance equipment, in particular to a double-head clamp. Background Art

[0002] Currently, brake shoes and shoe frames are handled using fixtures, which are then gripped and handled with a robot. Separate fixtures have been developed for each, allowing for handling of the brake shoe and shoe frame. Brake shoe fixtures are used for handling the brake shoe, while brake shoe frame fixtures are used for handling the brake shoe. This results in high tooling and fixture costs, and the inconvenience of switching between the two types of fixtures can lead to low handling efficiency.

[0003] In other words, the existing technology has the problems of high cost of fixtures and low gripping efficiency. Utility Model Content

[0004] The utility model provides a double-head clamp, which is used to solve the problems of high cost and low grasping efficiency of tooling clamps.

[0005] The utility model provides a double-head clamp, comprising:

[0006] adapter plate; and

[0007] a brake shoe clamp, which is provided on one end of the adapter plate and is used to grasp the brake shoe; and

[0008] A material frame clamp is provided on the other end of the adapter plate and is used to grasp the brake shoe material frame;

[0009] Among them, the adapter plate is connected to the external flipping device, and the double-headed clamp is constructed so that when the object to be grasped is a brake shoe, the external flipping device rotates the adapter plate to switch the brake shoe clamp for grasping; when the object to be grasped is a brake shoe material frame, the external flipping device rotates the adapter plate to switch the material frame clamp for grasping.

[0010] In one embodiment, the frame fixture comprises:

[0011] a mounting plate fixed to the other end of the adapter plate; and

[0012] a cylinder mounting plate disposed on an end of the mounting plate away from the adapter plate; and

[0013] Two material frame clamp cylinders, which are respectively arranged on both sides of the cylinder mounting plate, and the two material frame clamp cylinders are arranged in opposite directions in a first direction; and

[0014] Two material frame fixture plates, which are respectively connected to the driving shafts of the two material frame fixture cylinders;

[0015] The frame clamp cylinder can drive the corresponding frame clamp plate to extend into the through hole of the brake shoe frame to grab the brake shoe frame.

[0016] In one embodiment, the frame fixture plate comprises:

[0017] A connecting plate, which is used to connect to the drive shaft of the corresponding material frame clamp cylinder; and

[0018] An L-shaped plate, one end of which is connected to the connecting plate;

[0019] A reinforcing plate, which is provided at the connection between the connecting plate and the L-shaped plate;

[0020] The L-shaped plate can extend into the through hole to grab the brake shoe frame.

[0021] In one embodiment, the frame fixture further comprises:

[0022] Two guide rails extending along a first direction and arranged on an end of the mounting plate away from the adapter plate, and the two guide rails are spaced apart in a second direction; and

[0023] Two sets of sliders are slidably arranged on two guide rails respectively;

[0024] Among them, one of the two groups of sliders is connected to one of the two material frame fixture plates, and the other group of sliders is connected to the other material frame fixture plate.

[0025] In one embodiment, the number of each group of sliders is two, and they are spaced apart along the second direction, and the two sliders are respectively arranged on two guide rails.

[0026] In one embodiment, the material frame fixture further comprises a spacer block, which is disposed between the slider and the material frame fixture plate, and the slider is connected to the material frame fixture plate via the spacer block.

[0027] In one embodiment, the brake shoe clamp comprises:

[0028] a cylinder adapter connected to one end of the adapter plate; and

[0029] a rotating mechanism disposed on the cylinder adapter; and

[0030] a clamping mechanism, which is arranged on the rotating mechanism;

[0031] The clamping mechanism is used to clamp the brake shoe, and the rotating mechanism is used to rotate the clamping mechanism to adjust the gripping position of the brake shoe clamp.

[0032] In one embodiment, the rotating mechanism adopts a rotating cylinder, the fixed end of the rotating cylinder is arranged on the cylinder adapter, and the driving end of the rotating cylinder is connected to the clamping mechanism.

[0033] In one embodiment, the clamping mechanism comprises:

[0034] an air gripper connecting plate, which is provided on the rotating mechanism; and

[0035] A bidirectional cylinder, the fixed end of which is arranged on the air gripper connecting plate; and

[0036] Two clamping arms are respectively arranged on two driving shafts of a bidirectional cylinder;

[0037] Among them, the bidirectional cylinder can drive the two clamping arms to move towards each other to grab the brake shoe.

[0038] In one embodiment, the clamping arm comprises:

[0039] A gripper air gripper connected to a corresponding drive shaft; and

[0040] The clamping plate is connected to the clamping gripper and is used to grab the brake shoe.

[0041] Compared to the prior art, the present invention offers the advantage of a dual-head fixture, combined with an external flipping device, that allows for switching between gripping the brake shoe frame and the brake shoe. In other words, the dual-head fixture integrates the gripping functions of both the brake shoe frame and the brake shoe, thereby improving gripping efficiency. This avoids the high cost and low gripping efficiency associated with developing two sets of fixtures in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The present invention will be described in more detail below based on embodiments with reference to the accompanying drawings.

[0043] Figure 1 Schematic diagram of the three-dimensional structure of the double-head fixture in the embodiment of the present invention (showing the manipulator);

[0044] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle brake shoe fixture;

[0045] Figure 3 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle material frame fixture;

[0046] Figure 4 It is a schematic diagram of the three-dimensional structure of the brake shoe in the embodiment of the utility model;

[0047] Figure 5 It is a schematic diagram of the three-dimensional structure of the brake shoe frame in the embodiment of the present utility model.

[0048] Reference numerals:

[0049] 10. Brake shoe fixture; 101. Clamping plate; 102. Clamp air gripper; 103. Air gripper connecting plate; 104. Rotating cylinder; 105. Cylinder adapter; 20. Material frame fixture; 201. Mounting plate; 202. Guide rail; 203. Slider; 204. Spacer; 205. Material frame fixture plate; 2051. Connecting plate; 2052. L-shaped plate; 2053. Reinforcement plate; 206. Cylinder mounting plate; 207. Material frame fixture cylinder; 208. Material frame fixture limit block; 30. Adapter plate; 300. Brake shoe; 400. Brake shoe material frame; 401. Through hole; 500. Robot arm. DETAILED DESCRIPTION

[0050] The present invention will be further described below with reference to the accompanying drawings.

[0051] like Figure 1 As shown, the utility model provides a double-headed clamp, which includes an adapter plate 30 and a brake shoe clamp 10. The brake shoe clamp 10 is arranged on one end of the adapter plate 30 and is used to grasp the brake shoe 300; the material frame clamp 20 is arranged on the other end of the adapter plate 30 and is used to grasp the brake shoe material frame 400; the adapter plate 30 is connected to an external flipping device. The double-headed clamp is constructed so that when the object to be grasped is the brake shoe 300, the external flipping device rotates the adapter plate 30 to switch the brake shoe clamp 10 for grasping; when the object to be grasped is the brake shoe material frame 400, the external flipping device rotates the adapter plate 30 to switch the material frame clamp 20 for grasping.

[0052] In the above configuration, a double-ended clamp, combined with an external flipping device, enables switching between gripping the brake shoe frame 400 and the brake shoe 300. In other words, the double-ended clamp integrates the gripping functions of both the brake shoe frame 400 and the brake shoe 300. This improves gripping efficiency and avoids the high cost and low gripping efficiency associated with developing two sets of clamps in the prior art.

[0053] Specifically, if Figure 3 As shown, in one embodiment, the material frame fixture 20 includes a mounting plate 201, a cylinder mounting plate 206, two material frame fixture cylinders 207, and two material frame fixture plates 205. The mounting plate 201 is fixed to the other end of the adapter plate 30; the cylinder mounting plate 206 is disposed on the end of the mounting plate 201 away from the adapter plate 30; the two material frame fixture cylinders 207 are disposed on either side of the cylinder mounting plate 206, and the two material frame fixture cylinders 207 are arranged in opposite directions in a first direction (the length direction of the material frame fixture 20); the two material frame fixture plates 205 are respectively connected to the drive shafts of the two material frame fixture cylinders 207; and the material frame fixture cylinders 207 are capable of driving the corresponding material frame fixture plates 205 to extend into the through hole 401 of the brake shoe material frame 400 to grasp the brake shoe material frame 400.

[0054] Specifically, if Figure 3 As shown, in one embodiment, the material frame fixture plate 205 includes a connecting plate 2051, an L-shaped plate 2052, and a reinforcing plate 2053. The connecting plate 2051 is used to connect to the drive shaft of the corresponding material frame fixture cylinder 207; the L-shaped plate 2052 is connected to the connecting plate 2051 at one end; and the reinforcing plate 2053 is provided at the connection between the connecting plate 2051 and the L-shaped plate 2052; the L-shaped plate 2052 can extend into the through hole to grasp the brake shoe material frame 400.

[0055] Specifically, if Figure 3 As shown, in one embodiment, the material frame fixture 20 further includes two guide rails 202 and two sets of sliders 203. The two guide rails 202 extend along a first direction and are disposed on one end of the mounting plate 201 away from the adapter plate 30. The two guide rails 202 are spaced apart in a second direction (the width direction of the material frame fixture 20). The two sets of sliders 203 are slidably disposed on the two guide rails 202, respectively. One set of the sliders 203 is connected to one of the two material frame fixture plates 205, and the other set of sliders 203 is connected to the other material frame fixture plate 205.

[0056] Specifically, if Figure 3 As shown, in one embodiment, the number of each group of sliders 203 is two, and they are spaced apart along the second direction, and the two sliders 203 are respectively arranged on two guide rails 202.

[0057] Specifically, if Figure 3 As shown, in one embodiment, the material frame fixture 20 further includes a spacer block 204 . The spacer block 204 is disposed between the slider 203 and the material frame fixture plate 205 . The slider 203 is connected to the material frame fixture plate 205 via the spacer block 204 .

[0058] Specifically, if Figure 2 As shown, in one embodiment, the brake shoe clamp 10 includes a cylinder adapter 105, a rotating mechanism, and a clamping mechanism. The cylinder adapter 105 is connected to one end of the adapter plate 30; the rotating mechanism is mounted on the cylinder adapter 105; and the clamping mechanism is mounted on the rotating mechanism. The clamping mechanism is used to clamp the brake shoe 300, and the rotating mechanism is used to rotate the clamping mechanism to adjust the gripping position of the brake shoe clamp 10.

[0059] Specifically, if Figure 1 As shown, in one embodiment, the rotating mechanism uses a rotating cylinder 104, the fixed end of the rotating cylinder 104 is provided on the cylinder adapter 105, and the driving end of the rotating cylinder 104 is connected to the clamping mechanism.

[0060] Specifically, if Figure 2As shown, in one embodiment, the gripping mechanism includes an air gripper connecting plate 103, a bidirectional cylinder, and two gripping arms. The air gripper connecting plate 103 is mounted on the rotating mechanism; the bidirectional cylinder has its fixed end mounted on the air gripper connecting plate 103; and the two gripping arms are mounted on the two drive shafts of the bidirectional cylinder. The bidirectional cylinder can drive the two gripping arms toward each other to grasp the brake shoe 300.

[0061] Specifically, if Figure 2 As shown, in one embodiment, the clamping arm includes a clamping claw 102 and a clamping plate 101. The clamping claw 102 is connected to the corresponding drive shaft; the clamping plate 101 is connected to the clamping claw 102, and the clamping plate 101 is used to grasp the brake shoe 300.

[0062] The following combination Figures 1 to 5 , describe a complete embodiment of the present invention:

[0063] The utility model provides a double-head grabbing mechanism. It includes:

[0064] 1. Brake shoe fixture 10:

[0065] The brake shoe clamp 10 consists of a clamping plate 101, a clamping claw 102, a claw connecting plate 103, a clamp rotating cylinder 104, a cylinder adapter 105, and an adapter plate 30. The two sets of clamping plates 101 are symmetrically fixed on the clamping claw 102. The clamping claw 102 is extended and retracted to clamp the brake shoe (see Figure 4 ) The middle raised portion. The gripper claw 102 and the gripper rotary cylinder 104 are connected via the claw connecting plate 103, which is then connected to the gripper rotary cylinder 104 via the adapter plate 30 via the cylinder adapter 105. A camera is mounted on the side of the adapter plate 30 for easy positioning and photographing.

[0066] 2. Material frame fixture 20:

[0067] The material frame fixture 20 is mainly composed of a material frame fixture mounting plate 201, guide rails 202 (2 groups), sliders 203 (4 groups), pads 204 (4 groups), material frame fixture plates 205 (2 groups), cylinder mounting plates 206, material frame fixture cylinders 207 (2 groups) and material frame fixture limit blocks 208 (2 groups). Two groups of guide rails 202 are symmetrically fixed on the left and right sides of the bottom surface of the material frame fixture mounting plate 201, the cylinder mounting plate 206 is fixed in the middle of the bottom surface of the material frame fixture mounting plate 201, and a group of material frame fixture cylinders 207 are symmetrically installed on both sides. Four groups of sliders 203 are arranged in pairs on the guide rails 202, and two groups of material frame fixture plates 205 symmetrically connect the sliders 203. Through the operation of the two groups of material frame fixture cylinders 207, the material frame fixture plates 205 can freely extend and retract to lift the brake shoe frame (see Figure 5), each set of material frame fixture plate 205 is also installed with a material frame fixture limit block 208 for the brake shoe frame (see Figure 5 ) limit, the above components together constitute the material frame fixture 20.

[0068] like Figure 1 As shown, the present invention also provides a grasping robot, which includes a manipulator 500 and a double-head fixture. The manipulator 500 is connected to the adapter plate 30 of the double-head fixture. The manipulator 500 can freely switch between the brake shoe fixture 10 and the material frame fixture 20 through the sixth axis.

[0069] While the present invention has been described with reference to preferred embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, the various technical features described in the various embodiments may be combined in any manner, provided no structural conflicts exist. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A double-head fixture, characterized in that: include: adapter plate; as well as a brake shoe clamp, which is provided on one end of the adapter plate and is used to grasp the brake shoe; as well as A material frame clamp is provided on the other end of the adapter plate, and is used to grasp the brake shoe material frame; Wherein, the adapter plate is connected to the external flipping device, and the double-headed clamp is constructed so that when the object to be grasped is a brake shoe, the external flipping device rotates the adapter plate to switch the brake shoe clamp for grasping; when the object to be grasped is a brake shoe material frame, the external flipping device rotates the adapter plate to switch the material frame clamp for grasping.

2. The double-head fixture according to claim 1, characterized in that: The material frame fixture includes: A mounting plate fixed to the other end of the adapter plate; and a cylinder mounting plate, which is arranged on an end of the mounting plate away from the adapter plate; and Two material frame clamp cylinders, which are respectively arranged on both sides of the cylinder mounting plate, and the two material frame clamp cylinders are arranged in opposite directions in a first direction; and Two material frame fixture plates, each connected to the driving shafts of the two material frame fixture cylinders; Wherein, the material frame clamp cylinder can drive the corresponding material frame clamp plate to extend into the through hole of the brake shoe material frame to grab the brake shoe material frame.

3. The double-head clamp according to claim 2, characterized in that: The material frame fixture plate includes: a connecting plate, which is used to connect to the drive shaft of the corresponding material frame clamp cylinder; and An L-shaped plate, one end of which is connected to the connecting plate; a reinforcing plate, which is provided at the connection between the connecting plate and the L-shaped plate; Wherein, the L-shaped plate can extend into the through hole to grab the brake shoe frame.

4. The double-head clamp according to claim 3, characterized in that: The material frame fixture also includes: Two guide rails extending along a first direction and arranged on an end of the mounting plate away from the adapter plate, the two guide rails being spaced apart in a second direction; and Two sets of sliders, which are slidably arranged on the two guide rails respectively; Wherein, one of the two groups of sliders is connected to one of the two material frame fixture plates, and the other group of sliders is connected to the other material frame fixture plate.

5. The double-head clamp according to claim 4, characterized in that: The number of the sliding blocks in each group is two, and the sliding blocks are spaced apart along the second direction, and the two sliding blocks are respectively arranged on the two guide rails.

6. The double-head clamp according to claim 5, characterized in that: The material frame fixture further includes a pad, which is arranged between the slider and the material frame fixture plate, and the slider is connected to the material frame fixture plate through the pad.

7. The double-head clamp according to any one of claims 1 to 6, characterized in that: The brake shoe fixture comprises: a cylinder adapter connected to one end of the adapter plate; and a rotating mechanism, which is provided on the cylinder adapter; and a clamping mechanism, which is provided on the rotating mechanism; Wherein, the clamping mechanism is used to clamp the brake shoe, and the rotating mechanism is used to rotate the clamping mechanism to adjust the gripping position of the brake shoe clamp.

8. The double-head clamp according to claim 7, characterized in that: The rotating mechanism adopts a rotating cylinder, the fixed end of the rotating cylinder is arranged on the cylinder adapter, and the driving end of the rotating cylinder is connected to the clamping mechanism.

9. The double-head clamp according to claim 7, characterized in that: The clamping mechanism comprises: an air gripper connecting plate, which is provided on the rotating mechanism; and a bidirectional air cylinder, a fixed end of which is disposed on the air gripper connecting plate; and Two clamping arms are respectively arranged on the two driving shafts of the bidirectional cylinder; The bidirectional cylinder is capable of driving the two clamping arms to move toward each other so as to grasp the brake shoe.

10. The double-head clamp according to claim 9, characterized in that: The clamping arm comprises: A gripper air gripper connected to the corresponding drive shaft; and A clamping plate is connected to the clamping claw, and the clamping plate is used to grab the brake shoe.

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