CN116100788A

CN116100788A - Manipulator assembly in bottle blowing machine distance-changing device

Info

Publication number: CN116100788A
Application number: CN202310384970.5A
Authority: CN
Inventors: 张羽飞
Original assignee: Zhangjiagang Eceng Machinery Co ltd
Current assignee: Zhangjiagang Eceng Machinery Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-05-12
Anticipated expiration: 2043-04-12
Also published as: CN116100788B

Abstract

The invention discloses a manipulator assembly in a bottle blowing machine distance-changing device, which comprises: the roll table panel is provided with a plurality of manipulators on the roll table panel, the manipulator includes: the sliding seat is provided with a mounting groove in the sliding seat, a first clamping arm gear and a second clamping arm gear are rotationally arranged in the mounting groove, the first clamping arm gear and the second clamping arm gear are meshed, a first clamping arm and a second clamping arm are vertically connected to the first clamping arm gear and the second clamping arm gear respectively, a first clamping hand and a second clamping hand are vertically arranged on the first clamping arm and the second clamping arm respectively, a first spring and a second spring are vertically arranged in the mounting groove, the top of the first spring is abutted to the first clamping arm gear, the top of the second spring is abutted to the second clamping arm gear, and a pull rod mechanism capable of simultaneously opening the mechanical hands is arranged on the rear side of the variable-pitch table panel. The invention has the advantages that: the corresponding speed is high, the clamping precision and the clamping stability are high.

Description

Manipulator assembly in bottle blowing machine distance-changing device

Technical Field

The invention relates to the technical field of bottle blowing machines, in particular to a manipulator assembly in a distance-changing device of a bottle blowing machine.

Background

A bottle blowing machine is a machine that blow-molds injection molded bottle blanks into bottles by strong wind. In blow molding, a pitch-changing device is required to drive a manipulator to change the pitch so as to clamp the bottle blank. Aiming at the situation, the market discloses a bottle blowing machine distance-changing device, the authorized bulletin number is: CN216329995U, the structure of the device is as follows: comprising the following steps: the pitch-changing base, be provided with the pitch-changing deck plate that can follow X to horizontal reciprocating motion on the pitch-changing base, be provided with pitch-changing manipulator subassembly on the pitch-changing deck plate, be provided with the pitch-changing slide on the pitch-changing base, be provided with the displacement board that can follow Y to the motion on the pitch-changing deck plate, be provided with the displacement bolt on the displacement board, the displacement bolt is located the pitch-changing slide, is provided with a plurality of direction slides on the displacement board, pitch-changing manipulator subassembly includes: the first embryo chute that presss from both sides and second embryo chute that presss from both sides, first embryo chute that presss from both sides links to each other with the cylinder, and first embryo chute that presss from both sides with the second embryo chute that presss from both sides is connected through linkage subassembly, linkage subassembly includes: the clamping mechanism comprises a sliding seat, a sliding track and two clamping arms, wherein the sliding track is arranged on the sliding seat and penetrates through the clamping arms, the two clamping arms are respectively provided with sliding bolts and are respectively clamped with the bottoms of the first clamping embryo chute and the second clamping embryo chute through the sliding bolts, the two clamping arms are oppositely arranged and are provided with clamping hands, guide bolts are arranged on the sliding seat, and each guide bolt is respectively positioned in each guide slideway. The working principle is as follows: when the variable-pitch deck plate moves back and forth along the X direction, the variable-pitch bolts slide along the variable-pitch slide ways, the guide bolts slide along the guide slide ways, so that a plurality of clamping mechanisms are mutually close to or far away from each other, the variable pitch of the clamping mechanisms is realized, when the cylinder pushes and pulls the first blank clamping slide groove, the first blank clamping slide groove drives the first rack to move back and forth, the first rack drives the second rack and the second blank clamping slide groove connected with the second rack to synchronously move reversely through the synchronous gear, and therefore the first blank clamping slide groove and the second blank clamping slide groove are mutually close to or far away from each other, and clamping arms on the first blank clamping slide groove and the second blank clamping slide groove clamp or loosen bottle blanks. Although the device realizes the function of clamping bottle blanks in a variable distance way, the manipulator assembly has the following defects: 1. the distance between the two clamping arms is larger, the two clamping arms are combined or separated through sliding, and the response speed is slower; 2. after the clamp arm slides with the sliding rail for a long time, the fit clearance is easily enlarged, so that the clamp arm can shake in the moving process, and the clamping precision and the clamping stability between the clamp hands on the clamp arm are affected.

Disclosure of Invention

The invention aims to provide a manipulator assembly in a bottle blowing machine distance-changing device, which has high response speed and can always maintain clamping precision.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a manipulator assembly in a bottle blowing machine torque device comprising: the pitch-changing deck plate, both ends are provided with a guide arm fixed plate respectively about the pitch-changing deck plate, are connected with two guide arms between two guide arm fixed plates, are provided with a plurality of manipulators from a left side to a right side even interval on two guide arms, the manipulator includes: the sliding seat is in sliding connection with two guide rods, the top of the sliding seat is provided with a mounting groove, a first clamping arm gear and a second clamping arm gear are respectively and rotatably arranged on the front side and the rear side of the mounting groove, the first clamping arm gear is meshed with the second clamping arm gear, a first clamping arm and a second clamping arm are respectively and vertically connected to the first clamping arm gear and the second clamping arm gear, a first clamping hand and a second clamping hand are respectively arranged on the first clamping arm and the second clamping arm, a first spring and a second spring are respectively and vertically arranged on the front side and the rear side of the mounting groove, the top of the first spring is abutted to the first clamping arm gear, the top of the second spring is abutted to the second clamping arm gear, and a pull rod mechanism capable of simultaneously opening each mechanical hand is arranged on the rear side of the variable-pitch bench panel.

Further, in the above-mentioned manipulator assembly in the bottle blowing machine pitch device, a first buffer block and a second buffer block are respectively disposed on the first arm gear and the second arm gear.

Further, in the manipulator assembly in the bottle blowing machine distance-changing device, the first buffer block is provided with an inward concave triangular positioning groove, and the second buffer block is provided with an outward convex triangular positioning block.

Further, the manipulator assembly in the bottle blowing machine distance changing device is characterized in that a first hand hook plate and a second hand hook plate are respectively arranged on the first hand and the second hand.

Further, the manipulator assembly in the bottle blowing machine distance changing device, wherein the pull rod mechanism comprises: the left end and the right end of the rear side of the variable-pitch deck plate are respectively provided with a cylinder seat, the two cylinder seats are respectively hinged with a push-pull cylinder, the two push-pull cylinders are respectively connected with a joint bearing, a driving connecting rod is connected between the two joint bearings, the two ends of the driving connecting rod are respectively arranged in the two cylinder seats in a sliding mode, the driving connecting rod is hinged with a driven connecting rod through a pull rod connecting plate, the two ends of the driven connecting rod are respectively arranged in the two cylinder seats in a sliding mode, first bolt bearings are outwards arranged on second arm clamping gears in the mechanical arms, the first bolt bearings are located on the same horizontal plane, and the first bolt bearings correspond to the driven connecting rod.

Further, the manipulator assembly in the bottle blowing machine pitch-changing device is characterized in that two cylinder seats are respectively provided with an arc waist hole, the circle center of the arc wall of the arc waist hole is concentric with the circle center of the second arm clamping gear, and two ends of the driven connecting rod are respectively arranged in the two arc waist holes in a sliding mode.

Further, in the manipulator assembly in the bottle blowing machine distance-changing device, a supporting seat is arranged between the two cylinder seats, the driving connecting rod is slidably arranged in the supporting seat, and a connecting reinforcing plate is respectively connected between the driving connecting rod and the driven connecting rod which are positioned on the left side and the right side of the supporting seat.

Further, the manipulator assembly in the bottle blowing machine distance changing device is characterized in that two second bolt bearings are arranged on the pull rod connecting plate and simultaneously abut against the same cylinder seat.

Further, in the above-mentioned manipulator assembly in the bottle blowing machine pitch device, two lightening holes are respectively provided on the first clamping arm and the second clamping arm.

The invention has the advantages that: the first clamping arm gear and the second clamping arm gear drive the first clamping hand and the second clamping hand to synchronously rotate through the gear transmission function so as to realize involution or separation, thereby reducing the stroke and improving the response speed; the gear transmission function of the first clamping arm gear and the second clamping arm gear can ensure the alignment accuracy between the first clamping hand and the second clamping hand, so that the clamping accuracy and the clamping stability are improved, the first buffer block is provided with an inward concave triangular positioning groove, the second buffer block is provided with an outward protruding triangular positioning block, and the triangular positioning block is inserted into the triangular positioning groove to lock the first clamping arm gear and the second clamping arm gear, so that the clamping accuracy and the clamping stability between the first clamping hand and the second clamping hand are further improved; because the circle center of the arc wall of the arc waist hole is concentric with the circle center of the second arm clamping gear, when the driven connecting rod downwards presses the first bolt bearing on the second arm clamping gear along the arc waist hole to move together, the movement track of the driven connecting rod coincides with the movement track of the first bolt bearing, thereby preventing the driven connecting rod from damaging the first bolt bearing when downwards pressing the first bolt bearing and protecting the first bolt bearing.

Drawings

Fig. 1 is a schematic perspective view of a manipulator assembly in a distance-changing device of a bottle blowing machine according to the present invention.

Fig. 2 is a schematic perspective view of the manipulator of fig. 1.

Fig. 3 is a schematic cross-sectional view of the manipulator and drawbar mechanism of fig. 1.

Fig. 4 is a schematic view of the structure of the pull rod mechanism when the manipulator is opened.

Detailed Description

The technical scheme of the invention is further described below with reference to the attached drawings and the preferred embodiments.

As shown in fig. 1 to 4, a manipulator assembly in a distance-changing device of a bottle blowing machine according to the present invention includes: the pitch-changing deck plate 1 is provided with a guide rod fixed plate 11 respectively at the left and right ends of the pitch-changing deck plate 1, is connected with two guide rods 12 between two guide rod fixed plates 11, is provided with a plurality of manipulators 2 from a left side to a right side even interval on two guide rods 12, the manipulator 2 includes: the sliding seat 21 which is slidably connected with the two guide rods 12 is provided with a mounting groove at the top of the sliding seat 21, a first clamping arm gear 22 and a second clamping arm gear 23 are respectively rotatably arranged at the front side and the rear side of the mounting groove, the first clamping arm gear 22 and the second clamping arm gear 23 are meshed, a first clamping arm 221 and a second clamping arm 231 are respectively vertically connected to the first clamping arm gear 22 and the second clamping arm gear 23, two weight reducing holes 24 are respectively arranged on the first clamping arm 221 and the second clamping arm 231, and the weight of the first clamping arm 221 and the second clamping arm 231 can be reduced through the weight reducing holes 24. The first clamping arm 221 and the second clamping arm 231 are respectively provided with a first clamping hand 222 and a second clamping hand 232, the first clamping hand 222 and the second clamping hand 232 are respectively provided with a first clamping hand hook plate 223 and a second clamping hand hook plate 233, the first clamping hand 222 and the second clamping hand 232 can clamp the bottle neck of the bottle blank in a butt joint mode, and the first clamping hand hook plate 223 and the second clamping hand hook plate 233 can clamp the bottle neck of the bottle blank in a butt joint mode, and double clamping can improve clamping stability. The front side and the rear side of the mounting groove are vertically provided with a first spring 25 and a second spring 26 respectively, the top of the first spring 25 is abutted against the first arm gear 22, the top of the second spring 26 is abutted against the second arm gear 23, the first spring 25 pushes the first arm gear 22 upwards to drive the first arm 221 to rotate backwards, the second spring 26 pushes the second arm gear 23 upwards to drive the second arm gear 23 to drive the second arm 231 to rotate forwards, and because the first arm gear 22 is meshed with the second arm gear 23, the first arm gear 22 and the second arm gear 23 can synchronously rotate, when the first arm gear 22 and the second arm gear 23 rotate in place, the first arm 222 and the second arm 232 are clamped in an abutting mode, the first arm hooking plate 223 and the second arm hooking plate 233 are clamped in an abutting mode, and the first spring 25 and the second spring 26 apply elastic force to the first arm gear 22 and the second arm gear 23 respectively, so that the first arm hooking plate 223 and the second arm hooking plate 223 are clamped between the first arm gear 23 and the second arm hooking plate 233 are further stable. The first buffer block 224 and the second buffer block 234 are respectively arranged on the first arm gear 22 and the second arm gear 23, the first buffer block 224 and the second buffer block 234 are matched with each other, the first arm gear 22 and the second arm gear 23 can be limited, bottle blanks are prevented from being damaged due to excessive rotation, the buffer function can be achieved, the first arm gear 22 and the second arm gear 23 are prevented from collision, the first buffer block 224 is provided with an inward concave triangular positioning groove, the second buffer block 234 is provided with an outward protruding triangular positioning block, the triangular positioning block is inserted into the triangular positioning groove and can lock the first arm gear 22 and the second arm gear 23, the first arm gear 22 and the second arm gear 23 are prevented from being offset, and therefore the clamping stability between the first clamping hand 222 and the second clamping hand 232 and between the first clamping hand hook plate 223 and the second clamping hook plate 233 is further improved.

A pull rod mechanism 3 capable of simultaneously opening each manipulator 2 is provided at the rear side of the variable-pitch deck plate 1, and the pull rod mechanism 3 includes: the push-pull cylinder 31 is provided with a cylinder seat 30 at the left and right ends of the rear side of the variable-pitch deck plate 1, the two cylinder seats 30 are respectively hinged with a push-pull cylinder 31, the piston rods of the two push-pull cylinders 31 are respectively connected with a joint bearing 311, a driving connecting rod 32 is connected between the two joint bearings 311, the two ends of the driving connecting rod 32 are respectively arranged in the two cylinder seats 30 in a sliding manner, the driving connecting rod 32 is hinged with a driven connecting rod 34 through a pull rod connecting plate 33, the two cylinder seats 30 are respectively provided with an arc waist hole 301, the circle center of the arc wall of the arc waist hole 301 is concentric with the circle center of a second clamping arm gear 23, the two ends of the driven connecting rod 34 are respectively arranged in the two arc waist holes 301 in a sliding manner, the pull rod connecting plate 33 is provided with two second bolt bearings 331, the two second bolt bearings 331 are simultaneously abutted against the same cylinder seat 30, the second bolt bearings 331 are abutted against the same cylinder seat 30, the driving connecting rod 32 and the driven connecting rod 33 play a limiting role, the driving connecting rod 32 can be further connected with the sliding support seat 35 between the two cylinder seat 32 and the two cylinder seat 30 in a sliding manner, the two support plates 35 are respectively connected with the left and right side of the connecting rod 32 in a sliding manner, the friction support plate 35 can be connected with the two cylinder seat 32 in a sliding manner, the sliding support plate 35 is connected between the two cylinder seat 32 and the two cylinder seat 32 in a sliding manner, and the sliding support plate 35 is capable of reducing the friction between the two sliding support plate 35 is connected between the two cylinder seat 35 and the two cylinder seat 32 and the two sliding seat 35. The second arm gear 23 in each robot arm 2 is provided with a first bolt bearing 4 outwardly, each first bolt bearing 4 is on the same horizontal plane, and each first bolt bearing 4 corresponds to the driven link 33.

The working principle is as follows: when the push-pull cylinder 31 pushes the driving connecting rod 32 upwards, the driving connecting rod 32 drives the driven connecting rod 34 to move upwards along the arc waist hole 301, and the driven connecting rod 34 drives the driving connecting rod 32 to rotate anticlockwise through the two connecting reinforcing plates 36 when moving upwards in the arc waist hole 301, so that the driven connecting rod 34 can be positioned above each first bolt bearing 4, the first clamping arm gear 22 and the second clamping arm gear 23 synchronously rotate in opposite directions under the elastic force of the first spring 25 and the second spring 26 and the action of gear transmission respectively, and therefore the first clamping hand 222 and the second clamping hand 232 are oppositely clamped at the bottleneck of a bottle blank, and the first clamping hand hook plate 223 and the second clamping hand hook plate 233 are oppositely clamped at the bottleneck of the bottle blank, so that the bottle blank is clamped.

When the push-pull cylinder 31 pulls the driving link 32 downwards, the driving link 32 drives the driven link 34 to move downwards along the arc waist hole 301, the driven link 34 abuts against each first bolt bearing 4 and drives each first bolt bearing 4 to move downwards together, after each second arm gear 23 is simultaneously pressed downwards by the driven link 34, each second arm gear 23 overcomes the elasticity of the second spring 26 and then simultaneously rotates backwards, and the second arm gear 23 drives the first arm gear 22 to synchronously rotate forwards against the elasticity of the first spring 25 through the gear transmission, so that the first clamp 222 and the second clamp 232 are opened, and the first clamp hook plate 223 and the second clamp hook plate 233 are opened, so that bottle blanks are loosened.

Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims

1. A manipulator assembly in a bottle blowing machine torque device comprising: the variable-pitch deck plate is characterized in that: the left and right ends at the displacement deck plate are provided with a guide arm fixed plate respectively, are connected with two guide arms between two guide arm fixed plates, are provided with a plurality of manipulators from a left side to a right side at even interval on two guide arms, the manipulator includes: the sliding seat is in sliding connection with two guide rods, the top of the sliding seat is provided with a mounting groove, a first clamping arm gear and a second clamping arm gear are respectively and rotatably arranged on the front side and the rear side of the mounting groove, the first clamping arm gear is meshed with the second clamping arm gear, a first clamping arm and a second clamping arm are respectively and vertically connected to the first clamping arm gear and the second clamping arm gear, a first clamping hand and a second clamping hand are respectively arranged on the first clamping arm and the second clamping arm, a first spring and a second spring are respectively and vertically arranged on the front side and the rear side of the mounting groove, the top of the first spring is abutted to the first clamping arm gear, the top of the second spring is abutted to the second clamping arm gear, and a pull rod mechanism capable of simultaneously opening each mechanical hand is arranged on the rear side of the variable-pitch bench panel.

2. The manipulator assembly in a bottle blowing machine torque converter of claim 1, wherein: the first arm clamping gear and the second arm clamping gear are respectively provided with a first buffer block and a second buffer block.

3. The manipulator assembly in a bottle blowing machine torque converter of claim 2, wherein: the first buffer block is provided with an inward concave triangular positioning groove, and the second buffer block is provided with an outward convex triangular positioning block.

4. A manipulator assembly in a bottle blowing machine torque converter according to claim 1 or 2 or 3, wherein: the first clamping hand and the second clamping hand are respectively provided with a first clamping hand hook plate and a second clamping hand hook plate.

5. A manipulator assembly in a bottle blowing machine torque converter according to claim 1 or 2 or 3, wherein: the pull rod mechanism includes: the left end and the right end of the rear side of the variable-pitch deck plate are respectively provided with a cylinder seat, the two cylinder seats are respectively hinged with a push-pull cylinder, the two push-pull cylinders are respectively connected with a joint bearing, a driving connecting rod is connected between the two joint bearings, the two ends of the driving connecting rod are respectively arranged in the two cylinder seats in a sliding mode, the driving connecting rod is hinged with a driven connecting rod through a pull rod connecting plate, the two ends of the driven connecting rod are respectively arranged in the two cylinder seats in a sliding mode, first bolt bearings are outwards arranged on second arm clamping gears in the mechanical arms, the first bolt bearings are located on the same horizontal plane, and the first bolt bearings correspond to the driven connecting rod.

6. The manipulator assembly in a bottle blowing machine torque converter of claim 5, wherein: the two cylinder seats are respectively provided with an arc waist hole, the circle center of the arc wall of the arc waist hole is concentric with the circle center of the second arm clamping gear, and the two ends of the driven connecting rod are respectively arranged in the two arc waist holes in a sliding mode.

7. The manipulator assembly in a bottle blowing machine torque converter of claim 5, wherein: a supporting seat is arranged between the two cylinder seats, the driving connecting rod is arranged in the supporting seat in a sliding mode, and a connecting reinforcing plate is connected between the driving connecting rod and the driven connecting rod which are positioned on the left side and the right side of the supporting seat respectively.

8. The manipulator assembly in a bottle blowing machine torque converter of claim 5, wherein: two second bolt bearings are arranged on the pull rod connecting plate and simultaneously lean against the same cylinder seat.

9. A manipulator assembly in a bottle blowing machine torque converter according to claim 1 or 2 or 3, wherein: two lightening holes are respectively arranged on the first clamping arm and the second clamping arm.