Positioning mechanism

Abstract

The utility model discloses a positioning mechanism, which is characterized in that a horizontal power piece is arranged on the upper surface of a bottom plate of the positioning mechanism, and an action end of the horizontal power piece is connected with a middle plate; the positioning mechanism further comprises a horizontally-arranged positioning plate, the lower surface of the positioning plate is fixedly connected with two oppositely-arranged side plates which are the side plate A and the side plate B respectively, and the side plate A and the side plate B are located on the two sides of the middle plate respectively. The side plate A, the side plate B and the middle plate are connected through a connecting structure; guide columns are further arranged on the upper surface of the bottom plate, and the positioning plate is connected to the guide columns in an up-down sliding mode. And the horizontal power piece drives the positioning plate through the connecting structure to realize up-and-down reciprocating motion. When parts of a product are welded together and the parts are positioned in the vertical direction under the condition that the space of a general assembly tool is limited, the positioning mechanism can be used for effectively positioning the parts, so that the processing quality and the processing efficiency of the product are improved, the product yield is improved, and the economic benefits of enterprises are further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to processing equipment technical field, and specifically relates to a positioning mechanism. BACKGROUND

[0002] In the field of modern manufacturing, the total assembly tooling of parts can guarantee product quality consistency, stability, and at the same time has the characteristics of greatly improving batch operation efficiency, so in the field of modern manufacturing, when welding various parts of a product together, the total assembly tooling becomes the first choice for most enterprises to produce and manufacture products.

[0003] However, in actual application, there are many positioning units of the total assembly tooling, the space is narrow and compact, especially when positioning the up-down direction of the product, the space of the total assembly tooling is limited, a large clamping cylinder cannot be installed at the lower end, and the positioning of the parts and the separation of the total assembly from the workpiece cannot be realized.

[0004] At present, when the total assembly tooling is narrow in space and insufficient in height, only the positioning mode of installing a hand bolt can be relied on, but this positioning mode has the problems of complicated operation, difficult insertion and extraction, and low efficiency, which cannot effectively guarantee the product quality and efficiency. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide a positioning mechanism, which can effectively position the parts when the space of the total assembly tooling is limited and the parts are positioned in the up-down direction, improve the processing quality and efficiency of the product, improve the product yield, and further improve the economic benefit of the enterprise.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A positioning mechanism, comprising a bottom plate, a horizontal power element is arranged on the upper surface of the bottom plate, and the action end of the horizontal power element is connected with an intermediate plate; the positioning mechanism further comprises a horizontally arranged positioning plate, the lower surface of the positioning plate is fixedly connected with two oppositely arranged side plates, namely side plate A and side plate B, and the side plate A and the side plate B are located on the two sides of the intermediate plate respectively; the side plate A, the side plate B and the intermediate plate are connected through a connecting structure; the upper surface of the bottom plate is further provided with a guide column, and the positioning plate is slidably connected to the guide column; the horizontal power element drives the positioning plate to realize upward reciprocating movement through the connecting structure.

[0008] Further, the connecting structure comprises a side plate A sliding groove arranged on the side plate A, a side plate B sliding groove arranged on the side plate B, a middle plate hole arranged on the middle plate, and a roller shaft, positions of the side plate A sliding groove, the side plate B sliding groove and the middle plate hole correspond to each other, structures of the side plate A sliding groove and the side plate B sliding groove are the same, a left end of the side plate A sliding groove is higher than a right end of the side plate A sliding groove, a left end of the side plate B sliding groove is higher than a right end of the side plate B sliding groove, and the roller shaft passes through the side plate A sliding groove, the middle plate hole and the side plate B sliding groove at the same time.

[0009] Further, the connecting structure further comprises two rollers, the two rollers are roller A and roller B respectively, the roller A and the roller B are both installed on the roller shaft, the roller A is arranged in the side plate A sliding groove, and the roller B is arranged in the side plate B sliding groove.

[0010] Further, an end of the middle plate close to the horizontal power piece is provided with a middle plate groove, and an end of an action end of the horizontal power piece is fixedly provided with a stroke adjusting valve, and the stroke adjusting valve is inserted into the middle plate groove.

[0011] Further, an end of the stroke adjusting valve is provided with a buffer piece.

[0012] Further, a left end of the side plate A sliding groove is of a horizontal structure, and a right end of the side plate A sliding groove is of a horizontal structure; a left end of the side plate B sliding groove is of a horizontal structure, and a right end of the side plate B sliding groove is of a horizontal structure.

[0013] Further, an upper surface of the positioning plate is provided with two positioning pins, the two positioning pins are defined as a first positioning pin and a second positioning pin respectively, and the first positioning pin and the second positioning pin are arranged in diagonal lines.

[0014] Further, the connecting structure is provided with two groups.

[0015] Further, the side plate A and the side plate B are both integrated structures of the positioning plate.

[0016] Further, the positioning mechanism further comprises a controller arranged on the bottom plate, and the horizontal power piece is electrically connected with the controller.

[0017] After the above technology is adopted, the beneficial effects of the present application are as follows:

[0018] The utility model discloses a positioning mechanism, including bottom plate, be provided with horizontal power element on the upper surface of bottom plate, and the action end of horizontal power element is connected with intermediate plate, the positioning mechanism still includes the horizontal positioning plate of setting, and the lower surface fixed connection of positioning plate has two opposite setting side plates, is side plate A and side plate B respectively, and side plate A and side plate B are located the both sides of intermediate plate respectively, and side plate A, side plate B and intermediate plate are connected through connecting structure, the upper surface of bottom plate still is provided with guide column, and positioning plate is connected in guide column up and down slidingly, and horizontal power element realizes the up and down reciprocating movement of positioning plate through connecting structure drive. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the perspective view of the positioning mechanism of the utility model,

[0020] Figure 2 It is the perspective view of the positioning mechanism of the utility model from another angle,

[0021] Figure 3 It is Figure 2 the local enlarged view of F area in,

[0022] Figure 4 It is the structure schematic view of the positioning mechanism of the utility model,

[0023] Figure 5 It is Figure 4 the top view of left view,

[0024] Figure 6 It is Figure 5 the A-A section view in,

[0025] Figure 7 It is Figure 6 the B-B section view in,

[0026] In the drawing: 1, bottom plate, 2, horizontal power element, 3, positioning plate, 41, side plate A, 411, side plate A first sliding groove, 412, side plate A second sliding groove, 42, side plate B, 421, side plate B first sliding groove, 422, side plate B second sliding groove, 5, intermediate plate, 51, intermediate plate slot, 61, first positioning pin, 62, second positioning pin, 7, guide column, 81, first roller shaft, 82, second roller shaft, 9, mounting plate, 10, controller, 11, stroke adjusting valve, 12, buffer, 13, guide sleeve. DETAILED DESCRIPTION

[0027] The technical scheme of the utility model is described in detail below in combination with the drawings and specific embodiments, so as to further understand the purpose, scheme and effect of the utility model, but is not as a restriction on the protection scope of the claims of the utility model.

[0028] As Figures 1 to 7 The positioning mechanism comprises a base plate 1, a mounting plate 9 is fixedly arranged on the upper surface of the base plate 1, a horizontal power element 2 is arranged on the mounting plate 9, the fixed end of the horizontal power element 2 is fixedly installed on the mounting plate 9, the horizontal power element 2 can be a gas cylinder, of course, other conventional power elements such as an electric cylinder and an oil cylinder that can provide power can also be selected, and details are not repeated here.

[0029] The action end of the horizontal power element 2 is connected with an intermediate plate 5.

[0030] Preferably, the intermediate plate 5 is provided with an intermediate plate groove 51 at one end close to the horizontal power element 2, the end of the action end of the horizontal power element 2 is fixedly provided with a stroke adjusting valve 11, and the stroke adjusting valve 11 is inserted into the intermediate plate groove 51.

[0031] The stroke adjusting valve 11 is fixedly connected to the action end of the horizontal power element 2 by means of threaded connection, and after being inserted into the intermediate plate groove 51 of the intermediate plate 5, the end of the intermediate plate groove 51 blocks the stroke adjusting valve 11 to prevent the stroke adjusting valve 11 from falling off. The stroke adjusting valve 11 is a prior art, and the structure, working process and working principle of the stroke adjusting valve 11 belong to the common knowledge of those skilled in the art, and details are not repeated here.

[0032] Further preferably, a buffer 12 is arranged at the free end of the stroke adjusting valve 11. The buffer 12 is preferably a polyurethane buffer 12.

[0033] Preferably, the positioning mechanism further comprises a horizontally arranged positioning plate 3, two oppositely arranged side plates, namely a side plate A 41 and a side plate B 42, are fixedly connected to the lower surface of the positioning plate 3, and the side plate A 41 and the side plate B 42 are preferably integrated structures with the positioning plate 3.

[0034] The side plate A 41 and the side plate B 42 are respectively located on the two sides of the intermediate plate 5, and the side plate A 41, the side plate B 42 and the intermediate plate 5 are connected through a connecting structure. A guide column is further arranged on the upper surface of the base plate 1, and the positioning plate is slidingly connected to the guide column, a guide sleeve 13 is fixedly arranged on the upper surface of the base plate 1, and the guide column 7 is inserted into the guide sleeve 13. The horizontal power element 2 drives the positioning plate 3 to realize upward and downward reciprocating movement through the connecting structure.

[0035] The connecting structure is preferably provided with two groups, namely a first group of connecting structures and a second group of connecting structures.

[0036] The first set of connecting structures comprises a side plate A first sliding groove 411 arranged on the side plate A 41, a side plate B first sliding groove 421 arranged on the side plate B 42, a middle plate first hole arranged on the middle plate 5, and a first roller shaft 81, the positions of the side plate A first sliding groove 411, the side plate B first sliding groove 421, and the middle plate first hole correspond to each other, the structure of the side plate A first sliding groove 411 is the same as that of the side plate B first sliding groove 421, the height of the left end of the side plate A first sliding groove 411 is higher than that of the right end of the side plate A first sliding groove 411, the height of the left end of the side plate B first sliding groove 421 is higher than that of the right end of the side plate B first sliding groove 421, and the first roller shaft 81 simultaneously penetrates the side plate A first sliding groove 411, the middle plate first hole, and the side plate B first sliding groove 421.

[0037] Preferably, two rollers are further arranged on the first roller shaft 81, which are a first roller A and a first roller B, the first roller A and the first roller B are both installed on the first roller shaft 81, the first roller A is arranged in the side plate A first sliding groove 411, and the first roller B is arranged in the side plate B first sliding groove 421.

[0038] The second set of connecting structures comprises a side plate A second sliding groove 412 arranged on the side plate A 41, a side plate B second sliding groove 422 arranged on the side plate B 42, a middle plate second hole arranged on the middle plate 5, and a second roller shaft 82, the positions of the side plate A second sliding groove 412, the side plate B second sliding groove 422, and the middle plate second hole correspond to each other, the structure of the side plate A second sliding groove 412 is the same as that of the side plate B second sliding groove 422, the height of the left end of the side plate A second sliding groove 412 is higher than that of the right end of the side plate A second sliding groove 412, the height of the left end of the side plate B second sliding groove 422 is higher than that of the right end of the side plate B second sliding groove 422, and the second roller shaft 82 simultaneously penetrates the side plate A second sliding groove 412, the middle plate second hole, and the side plate B second sliding groove 422.

[0039] Preferably, two rollers are further arranged on the second roller shaft 82, which are a second roller A and a second roller B, the second roller A and the second roller B are both installed on the second roller shaft 82, the second roller A is arranged in the side plate A second sliding groove 412, and the second roller B is arranged in the side plate B second sliding groove 422.

[0040] Further preferably, the left end of the side plate A first sliding groove 411 is horizontally structured, the right end of the side plate A first sliding groove 411 is horizontally structured; the left end of the side plate A second sliding groove 412 is horizontally structured, the right end of the side plate A second sliding groove 412 is horizontally structured; the left end of the side plate B first sliding groove 421 is horizontally structured, the right end of the side plate B first sliding groove 421 is horizontally structured; the left end of the side plate B second sliding groove 422 is horizontally structured, the right end of the side plate B second sliding groove 422 is horizontally structured. The above-mentioned horizontal structure makes the first roller shaft 81 stop at the leftmost end or the rightmost end of the side plate A first sliding groove 411 and the side plate B first sliding groove 421, and the state is relatively stable; similarly, the above-mentioned horizontal structure makes the second roller shaft 82 stop at the leftmost end or the rightmost end of the side plate A second sliding groove 412 and the side plate B second sliding groove 422, and the state is relatively stable.

[0041] Preferably, two positioning pins are arranged on the upper surface of the positioning plate 3, and the two positioning pins are respectively defined as a first positioning pin 61 and a second positioning pin 62. The first positioning pin 61 and the second positioning pin 62 are diagonally arranged.

[0042] Preferably, the positioning mechanism further comprises a controller 10 arranged on the bottom plate 1, and the horizontal power component 2 is electrically connected with the controller 10. Under the control of a predetermined program, the controller 10 controls the working process and working principle of the horizontal power component 2, which belongs to the common knowledge of those skilled in the art, and will not be described one by one here.

[0043] The process of positioning the parts by using the positioning mechanism of the utility model is described in detail as follows:

[0044] The parts (not shown in the figure) to be positioned are placed on the upper surface of the positioning plate 3 and positioned by the first positioning pin 61 and the second positioning pin 62.

[0045] The action end of the horizontal power component 2 is stretched out, and under the action of the action end of the horizontal power component 2, the middle plate 5 moves horizontally to the left, the first roller shaft 81 installed on the middle plate 5 drives the first roller A and the first roller B to roll in the side plate A first sliding groove 411 and the side plate B first sliding groove 421 respectively, and at the same time, the second roller shaft 82 installed on the middle plate 5 drives the second roller A and the second roller B to roll in the side plate A second sliding groove 412 and the side plate B second sliding groove 422 respectively. Under the action of the horizontal thrust, the side plate A 41 and the side plate B 42 move upward along the guide column 7, and at the same time, the positioning plate 3 also moves upward, and the parts also move upward, and after the parts are moved to the position, the parts are welded with other parts on the total assembly tool (the welding process belongs to the prior art, and will not be described here).

[0046] After the processing is finished, the action end of the horizontal power piece 2 is retracted, the middle plate 5 is moved horizontally to the right under the action of the action end of the horizontal power piece 2, the first roller shaft 81 installed on the middle plate 5 drives the first roller A and the first roller B to roll in the side plate A first sliding groove 411 and the side plate B first sliding groove 421 respectively, meanwhile, the second roller shaft 82 installed on the middle plate 5 drives the second roller A and the second roller B to roll in the side plate A second sliding groove 412 and the side plate B second sliding groove 422 respectively, under the action of the horizontal pulling force, the side plate A 41 and the side plate B 42 are moved downward along the guide column 7, meanwhile, the positioning plate 3 is also moved downward, the first positioning pin 61 and the second positioning pin 62 are separated from the parts.

[0047] The technical features with serial number naming (such as side plate A, side plate A first sliding groove, side plate A second sliding groove, side plate B, side plate B first sliding groove, side plate B second sliding groove, first positioning pin, second positioning pin, first roller shaft, second roller shaft, first roller A, first roller B, second roller A, second roller B, etc.) involved in the specification are only for distinguishing various technical features, and do not represent the positional relationship, installation sequence and working sequence between the technical features.

[0048] In the description of the specification, it should be understood that the orientation or positional relationship described by "bottom plate", "horizontal power piece", "side plate A", "side plate A first sliding groove", "side plate A second sliding groove", "side plate B", "side plate B first sliding groove", "side plate B second sliding groove", "middle plate", "middle plate groove", "upper surface", "lower surface", "upward", "downward", "leftward", "rightward", "left end", "right end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for facilitating the description of the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0049] The utility model is not limited to the above-mentioned embodiments, all kinds of improvements made on the basis of the concept, principle, structure and method of the utility model are within the protection scope of the utility model.

Claims

1. A positioning mechanism, characterized by, The positioning mechanism comprises a base plate, a horizontal power element arranged on the upper surface of the base plate, and an intermediate plate connected to the action end of the horizontal power element; the positioning mechanism further comprises a horizontally arranged positioning plate, the lower surface of the positioning plate is fixedly connected with two oppositely arranged side plates, namely a side plate A and a side plate B, the side plate A and the side plate B are respectively located on the two sides of the intermediate plate; the side plate A, the side plate B and the intermediate plate are connected through a connecting structure; the upper surface of the base plate is further provided with a guide column, and the positioning plate is slidably connected to the guide column; the horizontal power element drives the positioning plate to realize upward and downward movement through the connecting structure.

2. The positioning mechanism of claim 1, wherein, The connecting structure comprises a side plate A sliding groove arranged on the side plate A, a side plate B sliding groove arranged on the side plate B, an intermediate plate hole arranged on the intermediate plate, and a roller shaft, the positions of the side plate A sliding groove, the side plate B sliding groove and the intermediate plate hole correspond to each other, the structure of the side plate A sliding groove is the same as that of the side plate B sliding groove, the height of the left end of the side plate A sliding groove is higher than that of the right end of the side plate A sliding groove, the height of the left end of the side plate B sliding groove is higher than that of the right end of the side plate B sliding groove, and the roller shaft simultaneously penetrates the side plate A sliding groove, the intermediate plate hole and the side plate B sliding groove.

3. The positioning mechanism of claim 2, wherein, The connecting structure further comprises two rollers, namely a roller A and a roller B, the roller A and the roller B are both installed on the roller shaft, the roller A is arranged in the side plate A sliding groove, and the roller B is arranged in the side plate B sliding groove.

4. The positioning mechanism of claim 2, wherein, An intermediate plate groove is arranged on one end of the intermediate plate close to the horizontal power element, and an end portion of the action end of the horizontal power element is fixedly provided with a stroke adjusting valve, which is inserted into the intermediate plate groove.

5. The positioning mechanism of claim 4, wherein, A buffer element is arranged on the end portion of the stroke adjusting valve.

6. The positioning mechanism of claim 2, wherein, The left end portion of the side plate A sliding groove is in a horizontal structure, and the right end portion of the side plate A sliding groove is in a horizontal structure; the left end portion of the side plate B sliding groove is in a horizontal structure, and the right end portion of the side plate B sliding groove is in a horizontal structure.

7. The positioning mechanism of claim 2, wherein An upper surface of the positioning plate is provided with two positioning pins, which are defined as a first positioning pin and a second positioning pin, and the first positioning pin and the second positioning pin are diagonally arranged.

8. The positioning mechanism of claim 2, wherein, The connecting structure is provided with two groups.

9. The positioning mechanism of claim 2, wherein, The side plate A and the side plate B are in an integral structure with the positioning plate.

10. The positioning mechanism of claim 2, wherein, The positioning mechanism further comprises a controller arranged on the base plate, and the horizontal power element is electrically connected with the controller.

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