CN112537734B

CN112537734B - Vertical lifting mechanism for large bolt

Info

Publication number: CN112537734B
Application number: CN202011302492.1A
Authority: CN
Inventors: 朱福林; 曾义
Original assignee: China Railway Longchang Materials Co Ltd
Current assignee: China Railway Longchang Materials Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2022-03-18
Anticipated expiration: 2040-11-19
Also published as: CN112537734A

Abstract

The invention discloses a large bolt vertical lifting mechanism which comprises a main bracket assembly body, and a motor assembly body, a material ejection part assembly body, a transmission part assembly body, a material discharge part assembly body, an upper guide frame assembly and the like which are arranged on the main bracket assembly body. Compared with the prior art, the invention has the following positive effects: the bolts are sequentially arranged through the guide sliding groove, and are put down one by one through the alternate action of the gear transmission mechanism, the bolts slide to the bottom along the sliding groove, the bolts are pushed upwards by utilizing the up-and-down movement of the material pushing rod, and when the lowest bolt moves upwards, the uppermost bolt slides down along the preset sliding groove by utilizing the force transmission principle, so that the vertical lifting of the bolts is realized; the defects of large occupied space, complex mechanism and high maintenance rate of the conventional lifting mechanism are effectively overcome; the vertical lifting mechanism has unique appearance, simple structure, low failure rate, small occupied space, high lifting height and convenient debugging.

Description

Vertical lifting mechanism for large bolt

Technical Field

The invention relates to a large bolt vertical lifting mechanism.

Background

The existing bolt lifting mechanism has various types, and the main purpose is to lift a bolt from a low position to a high position to realize the required height and the required posture so as to meet the requirements of stacking, transferring and production. The lifting mode from low to high also has a plurality of structural forms, such as chain plate type irregular lifting, guide rail type single material lifting, hook type rotary lifting, push plate type step lifting and the like. These lifts require a large space and a complicated structure to satisfy. In order to meet the requirement of achieving the lifting effect in a limited space, a simple and practical large-bolt vertical lifting mechanism convenient to debug is designed.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a large bolt vertical lifting mechanism, which aims to meet the subsequent production requirements and lift round-head and hexagonal-head large bolts from a low position to a required height; the invention has the advantages of simple structure, low failure rate, small occupied space, high lifting height and convenient debugging.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a big bolt vertical lift mechanism, includes that main support assembly body and the motor assembly body, the partial assembly body of liftout, transmission position assembly body, the partial assembly body of blowing, the last leading truck subassembly of setting on the main support assembly body, wherein:

the main support assembly comprises a lifting main support, and a guide cylinder, a guide plate and a limiting guide rail which are arranged on the lifting main support;

the motor assembly comprises a speed reducing motor and a first belt pulley;

the transmission part assembly body comprises a belt seat bearing, an L-shaped connecting rod and a second belt pulley, wherein the L-shaped connecting rod and the second belt pulley are arranged on the belt seat bearing; the other end of the L-shaped connecting rod of the transmission part assembly body is provided with a vertical connecting rod, the vertical connecting rod is provided with a first bearing, and the first bearing is in contact with an inner groove of a guide rail of the ejection part assembly body;

the material ejecting part assembly body comprises a guide rail, a material ejecting inclined plate, an ejecting rod and a bearing seat, wherein the material ejecting inclined plate, the ejecting rod and the bearing seat are arranged on the guide rail; the material ejecting rod is of an eccentric structure, and the top of the material ejecting rod is of an oval groove structure;

the discharging part assembly body comprises a second bottom plate, and a gear, a first rack and a second rack which are arranged on the second bottom plate, a fixing sleeve is arranged at the tail end of the second rack, a push rod is arranged on the fixing sleeve, a material pushing connecting rod is arranged on the push rod, a connecting rod is arranged at the front end of the material pushing connecting rod, a third bearing is arranged on the connecting rod, and the third bearing is in contact with a guide groove of a material pushing inclined plate of the material pushing part assembly body;

the upper guide frame assembly comprises a first bottom plate and a supporting block arranged on the first bottom plate, and a guide plate and a material guide block are arranged on the supporting block.

Compared with the prior art, the invention has the following positive effects:

the bolts are sequentially arranged through the guide sliding groove, and are put down one by one through the alternate action of the gear transmission mechanism, the bolts slide to the bottom along the sliding groove, the bolts are pushed upwards by utilizing the up-and-down movement of the material pushing rod, and the uppermost bolt slides down along the preset sliding groove when the lowermost bolt moves upwards by utilizing the force transmission principle, so that the vertical lifting of the bolts is realized. The invention effectively solves the defects of large occupied space, complex mechanism and high maintenance rate of the existing lifting mechanism; the vertical lifting mechanism has unique appearance, simple structure, low failure rate, small occupied space, high lifting height and convenient debugging. The concrete expression is as follows:

(1) according to the invention, single discharging is realized through the alternate action of gear transmission;

(2) the material pushing rod moves up and down through the conversion of the rotation motion of the motor to realize the material pushing action;

(3) according to the invention, the movable limiting device is used for preventing the bolt from falling back after the material is ejected;

(4) according to the invention, accurate material ejection and headspace prevention are realized through the oval material ejection rod.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic diagram of the overall structure of the present invention, in which: (1) is a front view, and (2) is a side view;

fig. 2 is a schematic structural view of the main support assembly, wherein: (1) is a front view, and (2) is a perspective view;

fig. 3 is a schematic structural view of a motor assembly, wherein: (1) is a front view, (2) is an A-A view of (1), and (3) is a B-B view of (1);

fig. 4 is a schematic structural view of a transmission part assembly, wherein: (1) is a front view, and (2) is an A-A view of (1);

FIG. 5 is a schematic view of the construction of the topping portion assembly;

FIG. 6 is a schematic view of the structure of a discharge portion assembly, wherein: (1) is a front view, and (2) is a top view;

fig. 7 is a schematic structural view of the limiting device, wherein: (1) is a bottom view, (2) is a front view, and (3) is a working principle diagram of the limiting device;

FIG. 8 is a schematic structural view of the upper guide frame assembly;

fig. 9 is a schematic structural view of the ejector pin.

Detailed Description

A large bolt vertical lift mechanism, as shown in fig. 1, comprising: the device comprises a main support assembly 1, a motor assembly 2, a material ejection part assembly 3, a transmission belt 4, a transmission part assembly 5, a material discharge part assembly 6, a limiting device 7, an upper guide frame assembly 8 and a stainless steel guide rail 9. Wherein, support assembly body 1 adopts welding behind the bolted connection to form, has both guaranteed the connection precision, has guaranteed its fastness again. The main motor assembly body 2, the ejection part assembly body 3, the transmission part assembly body 5, the emptying part assembly body 6, the limiting device 7 and the upper guide frame assembly body 8 are all installed on the support assembly body 1 through bolts, the transmission belt 4 is installed on the motor assembly body 2 and the transmission part assembly body 5, the rotary motion of the motor assembly body 2 is converted into the rotary motion of the transmission part assembly body 5, and then the rotary motion of the transmission part assembly body 5 is converted into the up-and-down motion of the ejection part assembly body 3.

Fig. 2 shows a main bracket assembly of the mechanism, which is composed of a first connecting block 101, a lifting main bracket 102, a second connecting block 103, a first connecting piece 104, a beam connecting piece 105, a guide cylinder 106, a second connecting piece 107, a U-shaped clamp 108, a guide plate 109, a limit guide rail 110 and a third connecting block 111. The lifting main support 102 is fixedly connected through a first connecting block 101, a second connecting block 103, a first connecting piece 104 and a beam connecting piece 105. The lower end of the guide cylinder 106 is fixed on the beam connecting piece 105 through a fixing piece, the middle upper part of the guide cylinder 106 is fixed on the lifting main bracket 102 through a U-shaped clamp 108, the bolts 10 (shown in figure 1) can be temporarily stored in the guide cylinder 106, and when the lowest bolt contacts the ejector rod to act, the bolt in the guide cylinder 106 moves upwards in the guide cylinder 106 and ejects the highest bolt. The guide plate 109 is fixed to the beam connector 105 by screws through the second connector 107, and the bolts slide along the guide plate 109. The limit rail 110 is fixed to the lifting main bracket 102 by a third connecting block 111.

Fig. 3 shows a motor assembly of the mechanism, which is composed of a motor base plate 201, a reduction motor 202, a first pulley 203, a retainer 204, a washer 205, and a key 206. The motor base plate 201 is fixedly connected with the lifting main support 102 (see fig. 2) through screws, the speed reducing motor 202 is fixed on the motor base plate 201, and the first belt pulley 203, the retainer ring 204 and the washer 205 are fixed on a shaft of the speed reducing motor 202 through screws and keys 206.

Fig. 4 shows a transmission part assembly of the mechanism, which is composed of a bearing pad 501, a first bearing 502, a link 503, a bearing pad 504, an L-shaped link 505, a bearing with a seat 506, a third base plate 507, a second pulley 508, a first pad 509, a second pad 510, and a third pad 511. Wherein the third base plate 507 is fixed to the first connecting member 104 (see fig. 2) by screws. The bearing pad 501, the first bearing 502, and the bearing pad 504 are mounted on the link 503, the L-shaped link 505 passes through the bearing of the seated bearing 506, the bearing is fixed by the first pad 509, the second pad 510, and the third pad 511, the base of the seated bearing 506 is mounted on the third base plate 507, and the link 503 is mounted on the other end of the L-shaped link 505. The second pulley 508 is connected to the first pulley 203 (see fig. 3) of the motor assembly via a transmission belt 4 (see fig. 1) to transmit power.

Fig. 5 shows an assembly of the ejection part of the mechanism, which is composed of an ejection sloping plate 301, a guide rail 302, an ejection rod 303, a bearing pin 304, a bearing seat 305 and a second bearing 306. The material pushing sloping plate 301, the material ejecting rod 303 and the bearing seat 305 are all arranged on the guide rail 302, the bearing seat 305 and the guide rail 302 are both provided with a bearing pin 304 and a second bearing 306, the second bearing 306 rolls on the lifting main bracket 102 (shown in figure 2) and the limiting guide rail 110 (shown in figure 2) of the main bracket assembly, when the transmission part assembly (shown in figure 4) rotates, the first bearing 502 (shown in figure 4) of the transmission part assembly rolls in contact with an inner groove of the guide rail 302 to drive the material ejecting part assembly to do up-and-down reciprocating motion, and the material ejecting rod 303 (shown in figures 5 and 9) contacts with a bolt to realize material ejecting motion. In order to increase the contact area and prevent the bolt from swinging to cause the phenomena of top deflection or head space, the ejector rod 303 is designed to be in an eccentric structure, and the top is designed to be in an oval groove structure, as shown in fig. 9.

Fig. 6 shows an assembly of the emptying part of the mechanism, which is composed of a connecting rod guide sleeve 601, a material pushing connecting rod 602, a push rod 603, a rack 604, a gear 605, a rack 606, a fixing sleeve 607, a second bottom plate 608, a third bearing 609, a connecting rod 610 and a cover plate 611. Wherein, the second bottom plate 608 is installed on the guide plate 109 (fig. 2) of the main bracket assembly, the gear 605 and the connecting rod guide sleeve 601 are both installed on the second bottom plate 608, the second bottom plate 608 is provided with a sliding slot, and the rack 604 and the rack 606 are in contact with the gear 605 and move in the sliding slot of the second bottom plate 608 under the protection of the cover plate 611. The tail end of the rack 606 is provided with a fixed sleeve 607 which is connected with the push rod 603 and the pushing connecting rod 602, the pushing connecting rod 602 reciprocates in the connecting rod guide sleeve 601, the front end of the pushing connecting rod 602 is provided with a connecting rod 610, and the inner ring of the third bearing 609 is fixed on the connecting rod 610 through a washer and a screw. The purpose is that the guide groove of the pushing sloping plate 301 (shown in figure 5) of the ejection part assembly body is contacted with the third bearing 609, the up-and-down motion of the pushing sloping plate 301 (shown in figure 5) is converted into the left-and-right motion of the pushing connecting rod 602, and then the rack 604 and the rack 606 are driven to do reciprocating motion alternately back and forth under the cooperation of the gear 605, so that the blocking and releasing of the bolt are realized, and the single discharging is realized.

Fig. 7 is a limiting device of the mechanism, which is composed of a spring pull block 701, a rotating shaft 702, a limiting block 703, a connecting block 704, a rotating body 705, a striker plate 706 and a spring 707. The spring pulling block 701, the limiting block 703 and the connecting blocks 704 are all welded and fixed on the guide cylinder 106 (fig. 2) of the main bracket assembly, the rotating body 705 and the striker plate 706 are welded and then installed on the rotating shaft 702, the rotating shaft 702 is then welded and fixed between the two connecting blocks 704, and the limiting block 703 plays a role in supporting and limiting the striker plate 706. When the ejector pin 303 (fig. 5) moves upward, the bolt in the guide cylinder 106 (fig. 2) moves upward, the head pushes the striker plate 706 away upward, and when the head of the bolt steps over the striker plate 706, the striker plate 706 contacts the round surface of the bolt under the action of the spring force. In the process of falling back of the ejector beam 303 (fig. 5), the head of the bolt is hung by the striker plate 706, so that the bolt is prevented from falling.

Fig. 8 shows the upper guide frame assembly of the mechanism, which is composed of a guide plate 801, a material guiding block 802, a connecting block 803, a connecting block 804, a supporting block 805 and a first bottom plate 806. Wherein: the supporting block 805 is fixedly connected by a guiding plate 801, a guiding block 802, a connecting block 803 and a connecting block 804, specifically, the guiding plate 801 and the guiding block 802 are fixed above the supporting block 805, a stainless steel guide rail 9 (fig. 1) is arranged on the guiding plate 801, the connecting block 803 and the connecting block 804 are arranged on the supporting block 805 for fixing the supporting block 805 and the guiding block 802, the supporting block 805 is welded on a first bottom plate 806, and the first bottom plate 806 is fixedly connected with the lifting main support 102 (fig. 2) of the main support assembly body by screws. The guide frame mainly guides the bolts in the guide cylinder 106 (fig. 2) of the main bracket assembly, when the material ejecting rod 303 (fig. 5) ejects the lowest bolt upwards, the lowest bolt moves upwards along the material guide block 802, when the bolt head moves over the top end of the material guide block 802, the head of the bolt is hung on the stainless steel guide rail 9 arranged on the guide plate 801 and slides downwards along the stainless steel guide rail 9 to be sent to the next process because the gravity of the bolt inclines towards the guide plate 801 (as shown in fig. 1, the whole vertical lifting mechanism has an inclination angle in order to ensure smooth discharging when being installed).

The working principle of the invention is as follows:

the bolts are sequentially arranged through the guide sliding groove, and are put down one by one through the alternate action of the gear transmission mechanism, the bolts slide to the bottom along the sliding groove, the bolts are pushed upwards by utilizing the up-and-down movement of the material pushing rod, and the uppermost bolt slides down along the preset sliding groove when the lowermost bolt moves upwards by utilizing the force transmission principle, so that the vertical lifting of the bolts is realized.

Claims

1. The utility model provides a big bolt vertical lifting mechanism which characterized in that: including main support assembly body and the motor assembly body, the partial assembly body of liftout, transmission position assembly body, the partial assembly body of blowing on the main support assembly body, go up leading truck subassembly, wherein:

the motor assembly comprises a speed reducing motor and a first belt pulley;

2. The large bolt vertical lift mechanism of claim 1, wherein: be provided with stop device on the main support assembly body, stop device draws piece and connecting block including the spring of welded fastening on main support assembly body guide cylinder, sets up the rotation axis on the connecting block, installs rotator and striker plate on the rotation axis, draws the piece at the spring and sets up the spring between the striker plate.

3. The large bolt vertical lift mechanism of claim 2, wherein: the limiting device further comprises a limiting block which is fixed on the guide cylinder and used for supporting and limiting the material baffle.

4. The large bolt vertical lift mechanism of claim 1, wherein: the lifting main support of the main support assembly body is provided with a beam connecting piece, the lower end of the guide cylinder is fixed on the beam connecting piece, the middle upper part of the guide cylinder is fixed on the lifting main support through a U-shaped clamp, and the guide plate is fixed on the beam connecting piece through a connecting piece and a screw.

5. The large bolt vertical lift mechanism of claim 1, wherein: and a sliding groove is formed in the second bottom plate of the emptying part assembly body, and the first rack and the second rack are arranged in the sliding groove.

6. The large bolt vertical lift mechanism of claim 5, wherein: a cover plate is arranged above the first rack and the second rack.

7. The large bolt vertical lift mechanism of claim 1, wherein: and a connecting rod guide sleeve is arranged on the second bottom plate of the emptying part assembly body.

8. The large bolt vertical lift mechanism of claim 1, wherein: and a stainless steel guide rail is arranged on the guide plate of the upper guide frame assembly.