Clamping and fixing device for automobile part production

Abstract

The utility model discloses a clamping and fixing device for automobile part production, and relates to the technical field of tool clamps. The device comprises a bottom plate and a fixed sleeve, wherein a clamping mechanism, a connecting mechanism, a driving mechanism, a limiting mechanism and an adjusting mechanism are arranged on the bottom plate; the clamping mechanism comprises a plurality of first sliding grooves which are fixedly connected to the surfaces of the sides, close to each other, of the two fixing sleeves correspondingly, grooves are formed in the inner walls of the first sliding grooves correspondingly, first sliding blocks are slidably connected to the inner walls of the grooves correspondingly, two sliding rods penetrate through the first sliding blocks correspondingly, and the sliding rods are slidably connected with the first sliding blocks. The ends, away from the first sliding blocks, of the two sliding rods are fixedly connected with rubber cushion blocks, and the sliding rods are each sleeved with a spring. Through the arrangement of the clamping mechanism, the center of a part can be located at the center of the fixed sleeve after being clamped, and machining errors are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooling fixtures, and particularly relates to a clamping and fixing device for producing automobile parts. Background Art

[0002] In the prior art, after searching, it was found that a Chinese patent disclosed "a clamping and fixing device in the production of automobile parts", and its application number is "CN201822221279.2". This patent can mainly clamp automobile parts of different specifications, improve the utilization rate of part fixtures, avoid frequent replacement of fixtures, and improve work efficiency.

[0003] However, in the process of clamping the parts, the parts need to be fixed at the center of the clamping device, and the above device cannot ensure that the center position of the parts is completely stable at the center point of the clamping device. Due to the slight offset of the center position of the parts, in the subsequent processing process, such as drilling, milling, etc., it will cause the size and position deviations of the final product to be uneven, resulting in inaccurate processing accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping and fixing device for automobile parts production. By providing a clamping mechanism, the parts can be fully clamped by the clamping force generated by four rubber pads approaching each other, so that the parts can be located at the center of the clamping device, and the clamping stability is higher, which solves the problem that the above-mentioned device cannot ensure that the center position of the part is completely stable at the center point of the clamping device, and the processing precision is inaccurate due to the slight offset of the center position of the part.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a clamping and fixing device for automobile parts production, comprising a base plate and a fixing sleeve, wherein the base plate is provided with a clamping mechanism, a connecting mechanism, a driving mechanism, a limiting mechanism and an adjusting mechanism;

[0007] The clamping mechanism includes a plurality of first sliding grooves respectively fixedly connected to the surfaces of the two fixed sleeves on one side close to each other, the inner walls of the plurality of first sliding grooves are provided with grooves, the inner walls of the grooves are slidably connected with first sliders, two sliding rods are passed through the plurality of first sliders, the sliding rods are slidably connected to the first sliders, one end of the two sliding rods away from the first sliders is fixedly connected to a rubber pad, the sliding rods are sleeved with a spring, the spring is fixedly connected to the first slider, and one end of the spring away from the first slider is fixedly connected to the rubber pad.

[0008] Furthermore, the connecting mechanism includes connecting blocks that are fixedly connected to the surfaces of a plurality of first sliding blocks away from the spring, the connecting blocks are fixedly connected to a first rotating shaft, the plurality of first rotating shafts are hinged to an arc rod, the inner wall of the fixed sleeve is fixedly connected to a rotating rod, the rotating rod is rotatably connected to a rotating disk, the rotating disk is fixedly connected to four second rotating shafts, and the four second rotating shafts are hinged to one end of the four arc rods away from the first rotating shaft.

[0009] Furthermore, the driving mechanism includes a fixing plate fixedly connected to the inner walls of the two fixing sleeves, and the side surfaces of the two fixing plates that are away from each other are fixedly connected to the first motors, and the ends of the two rotating rods that are away from each other are respectively fixedly connected to the output ends of the two first motors.

[0010] Furthermore, the support mechanism comprises bearings respectively fixedly connected to the two fixed sleeves, and the outer rings of the bearings are fixedly connected to the support plates.

[0011] Furthermore, the limiting mechanism includes second sliders fixedly connected to the bottom surfaces of the two support plates respectively, the ground of the second sliders is provided with second slide grooves, the top surface of the bottom plate is fixedly connected with two slide rails, and the two slide rails are respectively slidably connected to the inner walls of the two second slide grooves.

[0012] Furthermore, the adjustment mechanism includes a second motor fixedly connected to the left surface of the base plate, the output end of the second motor is fixedly connected to a bidirectional threaded rod, the bidirectional threaded rod passes through the base plate, the bidirectional threaded rod is rotatably connected to the base plate, the bidirectional threaded rod passes through the two support plates, and the support plates are threadedly connected to the bidirectional threaded rod.

[0013] The utility model has the following beneficial effects:

[0014] 1. By providing a clamping mechanism, when the four first slide grooves are close to each other, the four rubber pads can fix the two ends of the automobile part respectively, so that the center of the part can be located at the center of the fixed sleeve after clamping, reducing the processing error, and the part can be fully clamped by the clamping force generated by the four rubber pads approaching each other, so that the part can be located at the center of the clamping device, the clamping stability is higher, and the spring can greatly buffer the clamping force to avoid the influence caused by excessive force.

[0015] 2. By providing an adjustment mechanism, the second motor can drive the two support plates to move closer to or farther from each other when driving the bidirectional threaded rod to rotate, thereby realizing adaptive clamping of parts of different lengths and sizes, thereby achieving more stable and tight clamping.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of a clamping and fixing device for automobile parts production according to the utility model;

[0019] Figure 2 This is a structural schematic diagram of a clamping mechanism of a clamping and fixing device for automobile parts production according to the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a driving mechanism of a clamping and fixing device for automobile parts production according to the utility model;

[0021] Figure 4 The utility model is a clamping and fixing device for automobile parts production Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 5 The utility model is a clamping and fixing device for automobile parts production Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Base plate; 2. Clamping mechanism; 3. Connecting mechanism; 4. Driving mechanism; 5. Supporting mechanism; 6. Limiting mechanism; 7. Adjusting mechanism; 21. Fixed sleeve; 22. First slide groove; 23. Groove; 24. First slider; 25. Slide rod; 26. Rubber pad; 27. Spring; 31. Connecting block; 32. First rotating shaft; 33. Arc rod; 34. Rotating rod; 35. Turntable; 36. Second rotating shaft; 41. Fixed plate; 42. First motor; 51. Supporting plate; 52. Bearing; 61. Second slider; 62. Second slide groove; 63. Slide rail; 71. Second motor; 72. Bidirectional threaded rod. DETAILED DESCRIPTION

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

[0026] See also Figure 1-5 As shown, the utility model is a clamping and fixing device for automobile parts production, comprising a base plate 1 and a fixing sleeve 21, and the base plate 1 is provided with a clamping mechanism 2, a connecting mechanism 3, a driving mechanism 4, a limiting mechanism 6 and an adjusting mechanism 7;

[0027] The clamping mechanism 2 includes a plurality of first slide grooves 22 respectively fixedly connected to the surfaces of the two fixed sleeves 21 close to each other. The inner walls of the plurality of first slide grooves 22 are provided with grooves 23. The inner walls of the grooves 23 are slidably connected with first sliders 24. Two slide rods 25 are passed through the plurality of first sliders 24. The slide rods 25 are slidably connected with the first sliders 24. The ends of the two slide rods 25 away from the first sliders 24 are fixedly connected with rubber pads 26. The slide rods 25 are sleeved with springs 27. The springs 27 are fixedly connected with the first sliders 24. The ends of the springs 27 away from the first sliders 24 are fixedly connected with the rubber pads 26.

[0028] Among them Figure 3 and Figure 5 As shown, the connecting mechanism 3 includes connecting blocks 31 that are fixedly connected to the surface of a side of a plurality of first sliders 24 away from the spring 27, the connecting blocks 31 are fixedly connected to the first rotating shafts 32, the first rotating shafts 32 are hinged with arc rods 33, the inner wall of the fixed sleeve 21 is fixedly connected to a rotating rod 34, a rotating disk 35 is rotatably connected to the rotating rod 34, four second rotating shafts 36 are fixedly connected to the rotating disk 35, and the four second rotating shafts 36 are hinged to one end of the four arc rods 33 away from the first rotating shafts 32.

[0029] By providing the connection mechanism 3 , when the rotating disk 35 rotates, the four second rotating shafts 36 can be driven to rotate synchronously, and cooperate with the first rotating shaft 32 and the second rotating shaft 36 to drive the four first sliding blocks 24 to move closer to or away from each other.

[0030] Among them Figure 3 As shown, the driving mechanism 4 includes a fixing plate 41 fixedly connected to the inner walls of the two fixing sleeves 21, and the side surfaces of the two fixing plates 41 that are away from each other are fixedly connected to the first motors 42, and the ends of the two rotating rods 34 that are away from each other are fixedly connected to the output ends of the two first motors 42 respectively.

[0031] By providing the driving mechanism 4, the first motor 42 can drive the rotating disk 35 to rotate synchronously when driving the rotating rod 34 to rotate, thereby realizing the automatic clamping function.

[0032] Among them Figure 2 As shown, the support mechanism 5 includes bearings 52 fixedly connected to two fixed sleeves 21 respectively, and the outer ring of the bearing 52 is fixedly connected to the support plate 51.

[0033] By providing the support mechanism 5, the support plate 51 and the bearing 52 cooperate with each other, so that when the fixed sleeve 21 rotates on the inner wall of the support plate 51, it can drive the parts to rotate synchronously, thereby facilitating processing.

[0034] Among them Figure 1 and Figure 2 As shown, the limiting mechanism 6 includes second sliders 61 respectively fixedly connected to the bottom surfaces of the two support plates 51, and the ground of the second sliders 61 is provided with second slide grooves 62. The top surface of the bottom plate 1 is fixedly connected to two slide rails 63, and the two slide rails 63 are respectively slidably connected to the inner walls of the two second slide grooves 62.

[0035] By providing the limiting mechanism 6 , the second slide groove 62 and the slide rail 63 cooperate with each other, so that the two support plates 51 can only slide left and right on the slide rail 63 .

[0036] Among them Figure 1 As shown, the adjustment mechanism 7 includes a second motor 71 fixedly connected to the left side surface of the base plate 1, and the output end of the second motor 71 is fixedly connected to a bidirectional threaded rod 72, the bidirectional threaded rod 72 passes through the base plate 1, the bidirectional threaded rod 72 is rotatably connected to the base plate 1, the bidirectional threaded rod 72 passes through two support plates 51, and the support plates 51 are threadedly connected to the bidirectional threaded rod 72.

[0037] By providing the adjustment mechanism 7, the second motor 71 can drive the two support plates 51 to move closer to or away from each other when driving the bidirectional threaded rod 72 to rotate, thereby realizing adaptive clamping of parts of different lengths, thereby achieving more stable and tight clamping.

[0038] A specific application of this embodiment is: by providing the clamping mechanism 2, when the four first slide grooves 22 are close to each other, the four rubber pads 26 can fix the two ends of the automobile part respectively, so that the center of the part can be located at the center of the fixed sleeve 21 after clamping, while reducing the processing error, the part can also be fully clamped by the clamping force generated by the four rubber pads approaching each other, the clamping stability is higher, and the spring 27 can greatly buffer the clamping force to avoid the influence caused by excessive force;

[0039] By providing the connection mechanism 3, when the rotating disk 35 rotates, the four second rotating shafts 36 can be driven to rotate synchronously, and cooperate with the first rotating shaft 32 and the second rotating shaft 36 to drive the four first sliding blocks 24 to move closer to or away from each other;

[0040] By providing the driving mechanism 4, the first motor 42 can drive the rotating plate 35 to rotate synchronously when driving the rotating rod 34 to rotate, thereby realizing the automatic clamping function;

[0041] By providing the support mechanism 5, the support plate 51 and the bearing 52 cooperate with each other, so that when the fixed sleeve 21 rotates on the inner wall of the support plate 51, it can drive the parts to rotate synchronously, thereby facilitating processing;

[0042] By setting the limiting mechanism 6, the second slide groove 62 and the slide rail 63 cooperate with each other, so that the two support plates 51 can only slide left and right on the slide rail 63;

[0043] By providing the adjustment mechanism 7, the second motor 71 can drive the two support plates 51 to move closer to or away from each other when driving the bidirectional threaded rod 72 to rotate, thereby realizing adaptive clamping of parts of different lengths, thereby achieving more stable and tight clamping.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A clamping and fixing device for automobile parts production, comprising a base plate (1) and a fixing sleeve (21), characterized in that: The base plate (1) is provided with a clamping mechanism (2), a connecting mechanism (3), a driving mechanism (4), a limiting mechanism (6) and an adjusting mechanism (7); The clamping mechanism (2) comprises a plurality of first slide grooves (22) respectively fixedly connected to the surfaces of the two fixed sleeves (21) on one side close to each other, the inner walls of the plurality of first slide grooves (22) are provided with grooves (23), the inner walls of the grooves (23) are slidably connected to the first sliders (24), two slide rods (25) are passed through the plurality of first sliders (24), the slide rods (25) are slidably connected to the first sliders (24), one end of the two slide rods (25) away from the first sliders (24) is fixedly connected to a rubber pad (26), the slide rods (25) are sleeved with a spring (27), the spring (27) is fixedly connected to the first slider (24), and one end of the spring (27) away from the first slider (24) is fixedly connected to the rubber pad (26).

2. A clamping and fixing device for automobile parts production according to claim 1, characterized in that: The connecting mechanism (3) comprises connecting blocks (31) each fixedly connected to a surface of a side of a plurality of first sliding blocks (24) away from the spring (27); each of the connecting blocks (31) is fixedly connected to a first rotating shaft (32); each of the first rotating shafts (32) is hingedly connected to an arc-shaped rod (33); an inner wall of the fixed sleeve (21) is fixedly connected to a rotating rod (34); a rotating disk (35) is rotatably connected to the rotating rod (34); four second rotating shafts (36) are fixedly connected to the rotating disk (35); and the four second rotating shafts (36) are hingedly connected to one end of the four arc-shaped rods (33) away from the first rotating shaft (32).

3. A clamping and fixing device for automobile parts production according to claim 2, characterized in that: The driving mechanism (4) comprises a fixing plate (41) fixedly connected to the inner walls of the two fixing sleeves (21), the surfaces of the two fixing plates (41) being away from each other are fixedly connected to the first motor (42), and the ends of the two rotating rods (34) being away from each other are fixedly connected to the output ends of the two first motors (42) respectively.

4. A clamping and fixing device for automobile parts production according to claim 1, characterized in that: The support mechanism (5) comprises bearings (52) respectively fixedly connected to the two fixed sleeves (21), and the outer ring of the bearing (52) is fixedly connected to the support plate (51).

5. A clamping and fixing device for automobile parts production according to claim 4, characterized in that: The limiting mechanism (6) comprises second sliders (61) respectively fixedly connected to the bottom surfaces of the two support plates (51), the second sliders (61) are provided with second slide grooves (62) on the bottom surfaces, and the top surface of the bottom plate (1) is fixedly connected to two slide rails (63), and the two slide rails (63) are respectively slidably connected to the inner walls of the two second slide grooves (62).

6. A clamping and fixing device for automobile parts production according to claim 4, characterized in that: The adjusting mechanism (7) comprises a second motor (71) fixedly connected to the left surface of the base plate (1); the output end of the second motor (71) is fixedly connected to a bidirectional threaded rod (72); the bidirectional threaded rod (72) passes through the base plate (1); the bidirectional threaded rod (72) is rotatably connected to the base plate (1); the bidirectional threaded rod (72) passes through the two support plates (51); the support plates (51) are threadedly connected to the bidirectional threaded rod (72).

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