Pressing mechanism

Abstract

The utility model discloses a hold-down mechanism which comprises a bottom plate, an installation plate is fixedly arranged on the upper surface of the bottom plate, a power piece is vertically arranged on the installation plate, and a gear is rotationally installed at the lower end of the action end of the power piece. The pressing mechanism further comprises two sliding rails which are oppositely arranged, the two sliding rails are located on the two sides of the gear respectively, the two sliding rails are both fixedly arranged on the mounting plate, racks are arranged on the two sliding rails in a sliding mode, the two racks are both meshed with the gear, and pressing blocks are arranged at the lower ends of the two racks. When all parts of a product are welded together, the pressing mechanism effectively presses two parts with different heights or two parts, with different heights, of the same part at the same time through the same power piece, the size of the welded product is guaranteed, the product yield is improved, and then the economic benefits of enterprises are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to processing equipment technical field, and specifically relates to a pressing 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 each part of the product together, the total assembly tooling becomes the first choice for most enterprises to produce and manufacture products.

[0003] When welding parts using the total assembly tooling, the parts need to be pressed, and when pressing the parts, due to the limitation of space, the same pressing cylinder may be used to press different parts at the same time, or the same pressing cylinder is used to press different parts of the same part, in short, the same pressing cylinder is used to press two different positions. However, in the actual pressing process, the pressing force of the two pressing parts is often unbalanced due to the difference in height of the two different positions, which leads to the pressing of one part by the pressing cylinder and the pressing of the other part not in place, resulting in the size deviation of the welded product, reducing the product yield and the economic benefit of the enterprise. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a pressing mechanism, which can effectively press two parts of different heights of the same part or two parts of different heights of different parts using the same power piece at the same time when welding each part of the product together, guarantee the size of the welded product, improve the product yield, and further improve the economic benefit of the enterprise.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A pressing mechanism, comprising a bottom plate, a mounting plate is fixedly arranged on the upper surface of the bottom plate, a power piece is vertically arranged on the mounting plate, and a gear is rotatably installed at the lower end of the action end of the power piece; the pressing mechanism further comprises two slide rails arranged oppositely, the two slide rails are located on the two sides of the gear respectively, and the two slide rails are fixedly arranged on the mounting plate; a rack is slidably arranged on each of the two slide rails, and the two racks are engaged with the gear; and a pressing block is arranged at the lower end of each of the two racks.

[0007] Further, the action end of the power piece is fixedly connected with a gear seat, and the gear is rotatably installed on the gear seat.

[0008] Further, the gear is rotatably installed on the gear seat through a gear shaft.

[0009] Further, the sliding rail is provided with a rack seat, and the rack is fixedly arranged on the rack seat.

[0010] Further, the pressing block is fixedly arranged on the corresponding rack seat through the connecting plate.

[0011] Further, the mounting plate is further provided with a proximity switch, and the proximity switch is located above the sliding rail.

[0012] Further, the proximity switch is fixedly mounted on the mounting plate through the connecting support.

[0013] Further, the bottom plate and the mounting plate are in an integrated structure.

[0014] Further, the connecting plate is in an L-shaped structure.

[0015] Further, the power member is a cylinder.

[0016] After the above technology is adopted, the beneficial effects of the present application are as follows:

[0017] The pressing mechanism comprises a bottom plate, a mounting plate is fixedly arranged on the upper surface of the bottom plate, a power member is vertically arranged on the mounting plate, and a gear is rotatably arranged on the lower end of the action end of the power member. The pressing mechanism further comprises two sliding rails arranged oppositely, the two sliding rails are respectively located on the two sides of the gear, the two sliding rails are fixedly arranged on the mounting plate, a rack is slidably arranged on each of the two sliding rails, the two racks are engaged with the gear, and a pressing block is arranged on the lower end of each of the two racks. When welding various parts of a product together, the pressing mechanism of the present application uses a same power member to effectively press two parts of different heights or two parts of different heights of the same part at the same time, thereby ensuring the size of the product after welding, improving the yield of the product, and further improving the economic benefits of the enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the pressing mechanism of the present application;

[0019] Figure 2 is a structural schematic view of the pressing mechanism of the present application;

[0020] Figure 3 is Figure 2 is a sectional view of A-A plane in FIG. 4;

[0021] In the figure: 1, bottom plate; 2, mounting plate; 31, slide rail A; 32, slide rail B; 41, rack seat A; 42, rack seat B; 51, rack A; 52, rack B; 61, connecting plate A; 62, connecting plate B; 71, compression block A; 72, compression block B; 81, spare part A; 82, spare part B; 9, air cylinder; 10, gear seat; 11, gear; 12, gear shaft; 13, connecting bracket; 14, proximity switch; 15, controller. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be 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 not as a limitation of the protection scope of the claims of the utility model.

[0023] As shown in Figure 1 , Figure 2 , and Figure 3 together, a compression mechanism comprises a bottom plate 1, a mounting plate 2 is fixedly arranged on the upper surface of the bottom plate 1, and the bottom plate 1 and the mounting plate 2 are preferably an integral structure.

[0024] A power element is vertically arranged on the mounting plate 2, and the power element preferably adopts an air cylinder 9. Of course, other conventional power elements capable of providing power can also be adopted, which will not be described one by one here.

[0025] A gear 11 is rotatably installed at the lower end of the action end of the power element.

[0026] Preferably, a gear seat 10 is fixedly connected to the action end of the power element, and the gear 11 is rotatably installed on the gear seat 10.

[0027] Further preferably, a gear shaft 12 is fixedly arranged on the gear seat 10, and the gear 11 is rotatably installed on the gear shaft 12.

[0028] The compression mechanism further comprises two slide rails arranged oppositely, which are defined as slide rail A 31 and slide rail B 32 respectively, and the slide rail A 31 and the slide rail B 32 are located on both sides of the gear 11 respectively, and are both vertically fixedly arranged on the mounting plate 2. A rack A 51 is slidably arranged on the slide rail A 31, and a rack B 52 is slidably arranged on the slide rail B 32, and the rack A 51 and the rack B 52 are both engaged with the gear 11.

[0029] Preferably, a rack seat A 41 is slidably arranged on the slide rail A 31, and the rack A 51 is fixedly arranged on the rack seat A 41. A rack seat B 42 is slidably arranged on the slide rail B 52, and the rack B 52 is fixedly arranged on the rack seat B 42.

[0030] Preferably, the lower end of the rack seat A 41 is fixedly provided with a pressing block A 71, and the lower end of the rack seat B 42 is fixedly provided with a pressing block B 72.

[0031] Further preferably, the pressing block A 71 is fixedly arranged at the lower end of the rack seat A 41 through a connecting plate A 61, and the pressing block B 72 is fixedly arranged at the lower end of the rack seat B 42 through a connecting plate B 62.

[0032] Preferably, the connecting plate A 61 is of L-shaped structure, and the connecting plate B 62 is of L-shaped structure.

[0033] The slide rail A 31 and the slide rail B 32 are arranged on both sides of the power piece respectively, the mounting plate 2 is provided with a mounting plate hole, the gear seat 10 is fixedly connected to the action end of the power piece, the gear seat 10 extends into one side of the mounting plate 2 where the slide rail A 31 and the slide rail B 32 are located through the mounting plate hole, and the gear 11 is located on the same side of the mounting plate 2 as the slide rail A 31 and the slide rail B 32. This arrangement can greatly reduce the thickness of the rack seat A 41 and the rack seat B 42, save installation space, and be conducive to the structural arrangement of the entire press mechanism.

[0034] Preferably, the mounting plate 2 is further provided with a proximity switch 14, and the proximity switch 14 is located above the slide rail A 31 and the slide rail B 32.

[0035] Further preferably, the proximity switch 14 is fixedly mounted on the mounting plate 2 through a connecting bracket 13.

[0036] Preferably, the pressing mechanism further comprises a controller 15, and the power piece and the proximity switch 14 are electrically connected to the controller 15. The connection structure of the power piece and the proximity switch 14 to the controller 15, and the working process and working principle of the controller 15 to control the power piece and the proximity switch 13 are common knowledge to those skilled in the art, and will not be described one by one here.

[0037] The process of simultaneously pressing two different height parts by using the pressing mechanism of the utility model is described in detail as follows:

[0038] The parts A 81 and the parts B 82 to be welded together are placed on the upper surface of the bottom plate 1, the parts A 81 are placed below the pressing block A 71, the parts B 82 are placed below the pressing block B 72, and the heights of the parts A 81 and the parts B 82 are different.

[0039] The controller 15 controls the action end of the air cylinder 9 to extend downward, and simultaneously drives the gear seat 10 to move downward, and the gear 11 installed on the gear seat 10 also moves downward, since the gear 11 is in meshing with the rack A 31 and the rack B 32 at the same time, the rack seat A 41 and the rack seat B 42 also move downward along the slide rail A 31 and the slide rail B 32 respectively, and the pressing block A 71 and the pressing block B 72 also move downward, and the pressing block A 71 and the pressing block B 72 contact the upper surfaces of the parts A 81 and the parts B 82 respectively.

[0040] When the pressing block A 71 presses the parts A 81 first and the pressing block B 72 does not press the parts B 82, or when the pressing block B 72 presses the parts B 82 first and the pressing block A 71 does not press the parts B 81, the action end of the air cylinder 9 will continue to extend downward or retract upward, at this time, the gear 11 will drive the rack which is not pressed in place to move downward, and the other rack moves upward, until the pressing block A 71 completely presses the parts A 81 and the pressing block B 72 completely presses the parts B 82.

[0041] When the pressing mechanism of the utility model is used to press the two different height parts of the same part, the pressing process is the same as above, which will not be described one by one here.

[0042] The technical features with serial number naming (such as slide rail A, slide rail B, rack seat A, rack seat B, rack A, rack B, connecting plate A, connecting plate B, pressing block A, pressing block B, parts A, parts B, etc.) involved in the specification are only used to distinguish the technical features, and do not represent the positional relationship, installation order and working order between the technical features.

[0043] In the description of the specification, it should be understood that the orientation or positional relationship described in the description of the specification, such as "bottom plate", "vertical", "upper surface", "upward", "downward", etc. is based on the orientation or positional relationship shown in the drawings, and is only used to facilitate the description of the utility model and simplify the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0044] 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 compression mechanism, characterized in that, The application relates to a pressing mechanism, which comprises a bottom plate, a mounting plate fixedly arranged on the upper surface of the bottom plate, a power element vertically arranged on the mounting plate, a gear rotatably arranged on the lower end of the action end of the power element, two slide rails oppositely arranged, the two slide rails being respectively arranged on the two sides of the gear and being fixedly arranged on the mounting plate, a rack slidingly arranged on each of the two slide rails, the two racks being engaged with the gear, and a pressing block arranged on the lower end of each of the two racks.

2. The holdback mechanism of claim 1 wherein, The action end of the power element is fixedly connected with a gear seat, and the gear is rotatably arranged on the gear seat.

3. The holdback mechanism of claim 2 wherein, The gear is rotatably arranged on the gear seat through a gear shaft.

4. The holdback mechanism of claim 1 wherein, A rack seat is slidingly arranged on the slide rail, and the rack is fixedly arranged on the rack seat.

5. The holdback mechanism of claim 4 wherein, The pressing block is fixedly arranged on the corresponding rack seat through a connecting plate.

6. The holdback mechanism of claim 1 wherein, A proximity switch is further arranged on the mounting plate and located above the slide rail.

7. The holdback mechanism of claim 6 wherein, The proximity switch is fixedly arranged on the mounting plate through a connecting support.

8. The holdback mechanism of claim 1 wherein, The bottom plate and the mounting plate are in an integrated structure.

9. The holdback mechanism of claim 5 wherein, The connecting plate is in an L-shaped structure.

10. The holdback mechanism of claim 1 wherein, The power element is a cylinder.

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